diff --git a/build/three.cjs b/build/three.cjs
index 107f02234e8702..54a0822c875da1 100644
--- a/build/three.cjs
+++ b/build/three.cjs
@@ -12889,8 +12889,10 @@ class Object3D extends EventDispatcher {
 	 *
 	 * @param {boolean} [updateParents=false] Whether ancestor nodes should be updated or not.
 	 * @param {boolean} [updateChildren=false] Whether descendant nodes should be updated or not.
+	 * @param {boolean} [force=false] - When set to `true`, a recomputation of world matrices is forced even
+	 * when {@link Object3D#matrixWorldNeedsUpdate} is `false`.
 	 */
-	updateWorldMatrix( updateParents, updateChildren ) {
+	updateWorldMatrix( updateParents, updateChildren, force = false ) {
 
 		const parent = this.parent;
 
@@ -12902,18 +12904,26 @@ class Object3D extends EventDispatcher {
 
 		if ( this.matrixAutoUpdate ) this.updateMatrix();
 
-		if ( this.matrixWorldAutoUpdate === true ) {
+		if ( this.matrixWorldNeedsUpdate || force ) {
 
-			if ( this.parent === null ) {
+			if ( this.matrixWorldAutoUpdate === true ) {
 
-				this.matrixWorld.copy( this.matrix );
+				if ( this.parent === null ) {
 
-			} else {
+					this.matrixWorld.copy( this.matrix );
+
+				} else {
 
-				this.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );
+					this.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );
+
+				}
 
 			}
 
+			this.matrixWorldNeedsUpdate = false;
+
+			force = true;
+
 		}
 
 		// make sure descendants are updated
@@ -12926,7 +12936,7 @@ class Object3D extends EventDispatcher {
 
 				const child = children[ i ];
 
-				child.updateWorldMatrix( false, true );
+				child.updateWorldMatrix( false, true, force );
 
 			}
 
@@ -46169,9 +46179,9 @@ class Camera extends Object3D {
 
 	}
 
-	updateWorldMatrix( updateParents, updateChildren ) {
+	updateWorldMatrix( updateParents, updateChildren, force = false ) {
 
-		super.updateWorldMatrix( updateParents, updateChildren );
+		super.updateWorldMatrix( updateParents, updateChildren, force );
 
 		// exclude scale from view matrix to be glTF conform
 
@@ -50212,8 +50222,11 @@ class StereoCamera {
 
 		}
 
-		this.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeLeft );
-		this.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeRight );
+		this.cameraL.matrix.copy( camera.matrixWorld ).multiply( _eyeLeft );
+		this.cameraL.matrixWorldNeedsUpdate = true;
+
+		this.cameraR.matrix.copy( camera.matrixWorld ).multiply( _eyeRight );
+		this.cameraR.matrixWorldNeedsUpdate = true;
 
 	}
 
@@ -57524,7 +57537,7 @@ class SpotLightHelper extends Object3D {
 
 		}
 
-		this.matrixWorld.copy( this.light.matrixWorld );
+		this.matrixWorldNeedsUpdate = true;
 
 		const coneLength = this.light.distance ? this.light.distance : 1000;
 		const coneWidth = coneLength * Math.tan( this.light.angle );
@@ -57807,6 +57820,8 @@ class PointLightHelper extends Mesh {
 	 */
 	update() {
 
+		this.matrixWorldNeedsUpdate = true;
+
 		this.light.updateWorldMatrix( true, false );
 
 		if ( this.color !== undefined ) {
@@ -57950,6 +57965,8 @@ class HemisphereLightHelper extends Object3D {
 
 		}
 
+		this.matrixWorldNeedsUpdate = true;
+
 		this.light.updateWorldMatrix( true, false );
 
 		mesh.lookAt( _vector$1.setFromMatrixPosition( this.light.matrixWorld ).negate() );
@@ -58261,6 +58278,8 @@ class DirectionalLightHelper extends Object3D {
 	 */
 	update() {
 
+		this.matrixWorldNeedsUpdate = true;
+
 		this.light.updateWorldMatrix( true, false );
 		this.light.target.updateWorldMatrix( true, false );
 
diff --git a/build/three.core.js b/build/three.core.js
index 5cabc9a992b177..f1d2ea4601412e 100644
--- a/build/three.core.js
+++ b/build/three.core.js
@@ -12909,8 +12909,10 @@ class Object3D extends EventDispatcher {
 	 *
 	 * @param {boolean} [updateParents=false] Whether ancestor nodes should be updated or not.
 	 * @param {boolean} [updateChildren=false] Whether descendant nodes should be updated or not.
+	 * @param {boolean} [force=false] - When set to `true`, a recomputation of world matrices is forced even
+	 * when {@link Object3D#matrixWorldNeedsUpdate} is `false`.
 	 */
-	updateWorldMatrix( updateParents, updateChildren ) {
+	updateWorldMatrix( updateParents, updateChildren, force = false ) {
 
 		const parent = this.parent;
 
@@ -12922,18 +12924,26 @@ class Object3D extends EventDispatcher {
 
 		if ( this.matrixAutoUpdate ) this.updateMatrix();
 
-		if ( this.matrixWorldAutoUpdate === true ) {
+		if ( this.matrixWorldNeedsUpdate || force ) {
 
-			if ( this.parent === null ) {
+			if ( this.matrixWorldAutoUpdate === true ) {
 
-				this.matrixWorld.copy( this.matrix );
+				if ( this.parent === null ) {
 
-			} else {
+					this.matrixWorld.copy( this.matrix );
+
+				} else {
 
-				this.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );
+					this.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );
+
+				}
 
 			}
 
+			this.matrixWorldNeedsUpdate = false;
+
+			force = true;
+
 		}
 
 		// make sure descendants are updated
@@ -12946,7 +12956,7 @@ class Object3D extends EventDispatcher {
 
 				const child = children[ i ];
 
-				child.updateWorldMatrix( false, true );
+				child.updateWorldMatrix( false, true, force );
 
 			}
 
@@ -46189,9 +46199,9 @@ class Camera extends Object3D {
 
 	}
 
-	updateWorldMatrix( updateParents, updateChildren ) {
+	updateWorldMatrix( updateParents, updateChildren, force = false ) {
 
-		super.updateWorldMatrix( updateParents, updateChildren );
+		super.updateWorldMatrix( updateParents, updateChildren, force );
 
 		// exclude scale from view matrix to be glTF conform
 
@@ -50232,8 +50242,11 @@ class StereoCamera {
 
 		}
 
-		this.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeLeft );
-		this.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeRight );
+		this.cameraL.matrix.copy( camera.matrixWorld ).multiply( _eyeLeft );
+		this.cameraL.matrixWorldNeedsUpdate = true;
+
+		this.cameraR.matrix.copy( camera.matrixWorld ).multiply( _eyeRight );
+		this.cameraR.matrixWorldNeedsUpdate = true;
 
 	}
 
@@ -57544,7 +57557,7 @@ class SpotLightHelper extends Object3D {
 
 		}
 
-		this.matrixWorld.copy( this.light.matrixWorld );
+		this.matrixWorldNeedsUpdate = true;
 
 		const coneLength = this.light.distance ? this.light.distance : 1000;
 		const coneWidth = coneLength * Math.tan( this.light.angle );
@@ -57827,6 +57840,8 @@ class PointLightHelper extends Mesh {
 	 */
 	update() {
 
+		this.matrixWorldNeedsUpdate = true;
+
 		this.light.updateWorldMatrix( true, false );
 
 		if ( this.color !== undefined ) {
@@ -57970,6 +57985,8 @@ class HemisphereLightHelper extends Object3D {
 
 		}
 
+		this.matrixWorldNeedsUpdate = true;
+
 		this.light.updateWorldMatrix( true, false );
 
 		mesh.lookAt( _vector$1.setFromMatrixPosition( this.light.matrixWorld ).negate() );
@@ -58281,6 +58298,8 @@ class DirectionalLightHelper extends Object3D {
 	 */
 	update() {
 
+		this.matrixWorldNeedsUpdate = true;
+
 		this.light.updateWorldMatrix( true, false );
 		this.light.target.updateWorldMatrix( true, false );
 
diff --git a/build/three.core.min.js b/build/three.core.min.js
index 7ab49e01738a1c..6877c8bf714ee9 100644
--- a/build/three.core.min.js
+++ b/build/three.core.min.js
@@ -3,4 +3,4 @@
  * Copyright 2010-2026 Three.js Authors
  * SPDX-License-Identifier: MIT
  */
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this.x=Math.round(this.x),this.y=Math.round(this.y),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this}negate(){return this.x=-this.x,this.y=-this.y,this}dot(t){return this.x*t.x+this.y*t.y}cross(t){return this.x*t.y-this.y*t.x}lengthSq(){return this.x*this.x+this.y*this.y}length(){return Math.sqrt(this.x*this.x+this.y*this.y)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)}normalize(){return this.divideScalar(this.length()||1)}angle(){return Math.atan2(-this.y,-this.x)+Math.PI}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const i=this.dot(t)/e;return Math.acos(xs(i,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,i=this.y-t.y;return e*e+i*i}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this}lerpVectors(t,e,i){return this.x=t.x+(e.x-t.x)*i,this.y=t.y+(e.y-t.y)*i,this}equals(t){return t.x===this.x&&t.y===this.y}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this}rotateAround(t,e){const i=Math.cos(e),s=Math.sin(e),r=this.x-t.x,n=this.y-t.y;return this.x=r*i-n*s+t.x,this.y=r*s+n*i+t.y,this}random(){return this.x=Math.random(),this.y=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y}}class As{constructor(t=0,e=0,i=0,s=1){this.isQuaternion=!0,this._x=t,this._y=e,this._z=i,this._w=s}static slerpFlat(t,e,i,s,r,n,a){let o=i[s+0],h=i[s+1],l=i[s+2],c=i[s+3],u=r[n+0],d=r[n+1],p=r[n+2],m=r[n+3];if(c!==m||o!==u||h!==d||l!==p){let t=o*u+h*d+l*p+c*m;t<0&&(u=-u,d=-d,p=-p,m=-m,t=-t);let e=1-a;if(t<.9995){const i=Math.acos(t),s=Math.sin(i);e=Math.sin(e*i)/s,o=o*e+u*(a=Math.sin(a*i)/s),h=h*e+d*a,l=l*e+p*a,c=c*e+m*a}else{o=o*e+u*a,h=h*e+d*a,l=l*e+p*a,c=c*e+m*a;const t=1/Math.sqrt(o*o+h*h+l*l+c*c);o*=t,h*=t,l*=t,c*=t}}t[e]=o,t[e+1]=h,t[e+2]=l,t[e+3]=c}static multiplyQuaternionsFlat(t,e,i,s,r,n){const a=i[s],o=i[s+1],h=i[s+2],l=i[s+3],c=r[n],u=r[n+1],d=r[n+2],p=r[n+3];return t[e]=a*p+l*c+o*d-h*u,t[e+1]=o*p+l*u+h*c-a*d,t[e+2]=h*p+l*d+a*u-o*c,t[e+3]=l*p-a*c-o*u-h*d,t}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get w(){return this._w}set w(t){this._w=t,this._onChangeCallback()}set(t,e,i,s){return this._x=t,this._y=e,this._z=i,this._w=s,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(t){return this._x=t.x,this._y=t.y,this._z=t.z,this._w=t.w,this._onChangeCallback(),this}setFromEuler(t,e=!0){const i=t._x,s=t._y,r=t._z,n=t._order,a=Math.cos,o=Math.sin,h=a(i/2),l=a(s/2),c=a(r/2),u=o(i/2),d=o(s/2),p=o(r/2);switch(n){case"XYZ":this._x=u*l*c+h*d*p,this._y=h*d*c-u*l*p,this._z=h*l*p+u*d*c,this._w=h*l*c-u*d*p;break;case"YXZ":this._x=u*l*c+h*d*p,this._y=h*d*c-u*l*p,this._z=h*l*p-u*d*c,this._w=h*l*c+u*d*p;break;case"ZXY":this._x=u*l*c-h*d*p,this._y=h*d*c+u*l*p,this._z=h*l*p+u*d*c,this._w=h*l*c-u*d*p;break;case"ZYX":this._x=u*l*c-h*d*p,this._y=h*d*c+u*l*p,this._z=h*l*p-u*d*c,this._w=h*l*c+u*d*p;break;case"YZX":this._x=u*l*c+h*d*p,this._y=h*d*c+u*l*p,this._z=h*l*p-u*d*c,this._w=h*l*c-u*d*p;break;case"XZY":this._x=u*l*c-h*d*p,this._y=h*d*c-u*l*p,this._z=h*l*p+u*d*c,this._w=h*l*c+u*d*p;break;default:as("Quaternion: .setFromEuler() encountered an unknown order: "+n)}return!0===e&&this._onChangeCallback(),this}setFromAxisAngle(t,e){const i=e/2,s=Math.sin(i);return this._x=t.x*s,this._y=t.y*s,this._z=t.z*s,this._w=Math.cos(i),this._onChangeCallback(),this}setFromRotationMatrix(t){const e=t.elements,i=e[0],s=e[4],r=e[8],n=e[1],a=e[5],o=e[9],h=e[2],l=e[6],c=e[10],u=i+a+c;if(u>0){const t=.5/Math.sqrt(u+1);this._w=.25/t,this._x=(l-o)*t,this._y=(r-h)*t,this._z=(n-s)*t}else if(i>a&&i>c){const t=2*Math.sqrt(1+i-a-c);this._w=(l-o)/t,this._x=.25*t,this._y=(s+n)/t,this._z=(r+h)/t}else if(a>c){const t=2*Math.sqrt(1+a-i-c);this._w=(r-h)/t,this._x=(s+n)/t,this._y=.25*t,this._z=(o+l)/t}else{const t=2*Math.sqrt(1+c-i-a);this._w=(n-s)/t,this._x=(r+h)/t,this._y=(o+l)/t,this._z=.25*t}return this._onChangeCallback(),this}setFromUnitVectors(t,e){let i=t.dot(e)+1;return i<1e-8?(i=0,Math.abs(t.x)>Math.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=i):(this._x=0,this._y=-t.z,this._z=t.y,this._w=i)):(this._x=t.y*e.z-t.z*e.y,this._y=t.z*e.x-t.x*e.z,this._z=t.x*e.y-t.y*e.x,this._w=i),this.normalize()}angleTo(t){return 2*Math.acos(Math.abs(xs(this.dot(t),-1,1)))}rotateTowards(t,e){const i=this.angleTo(t);if(0===i)return this;const s=Math.min(1,e/i);return this.slerp(t,s),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let t=this.length();return 0===t?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this._onChangeCallback(),this}multiply(t){return this.multiplyQuaternions(this,t)}premultiply(t){return this.multiplyQuaternions(t,this)}multiplyQuaternions(t,e){const i=t._x,s=t._y,r=t._z,n=t._w,a=e._x,o=e._y,h=e._z,l=e._w;return this._x=i*l+n*a+s*h-r*o,this._y=s*l+n*o+r*a-i*h,this._z=r*l+n*h+i*o-s*a,this._w=n*l-i*a-s*o-r*h,this._onChangeCallback(),this}slerp(t,e){let i=t._x,s=t._y,r=t._z,n=t._w,a=this.dot(t);a<0&&(i=-i,s=-s,r=-r,n=-n,a=-a);let o=1-e;if(a<.9995){const t=Math.acos(a),h=Math.sin(t);o=Math.sin(o*t)/h,e=Math.sin(e*t)/h,this._x=this._x*o+i*e,this._y=this._y*o+s*e,this._z=this._z*o+r*e,this._w=this._w*o+n*e,this._onChangeCallback()}else this._x=this._x*o+i*e,this._y=this._y*o+s*e,this._z=this._z*o+r*e,this._w=this._w*o+n*e,this.normalize();return this}slerpQuaternions(t,e,i){return this.copy(t).slerp(e,i)}random(){const t=2*Math.PI*Math.random(),e=2*Math.PI*Math.random(),i=Math.random(),s=Math.sqrt(1-i),r=Math.sqrt(i);return this.set(s*Math.sin(t),s*Math.cos(t),r*Math.sin(e),r*Math.cos(e))}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w}fromArray(t,e=0){return this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t}fromBufferAttribute(t,e){return this._x=t.getX(e),this._y=t.getY(e),this._z=t.getZ(e),this._w=t.getW(e),this._onChangeCallback(),this}toJSON(){return this.toArray()}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class Ts{static{Ts.prototype.isVector3=!0}constructor(t=0,e=0,i=0){this.x=t,this.y=e,this.z=i}set(t,e,i){return void 0===i&&(i=this.z),this.x=t,this.y=e,this.z=i,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;default:throw new Error("THREE.Vector3: index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("THREE.Vector3: index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this}multiplyVectors(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this}applyEuler(t){return this.applyQuaternion(Cs.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(Cs.setFromAxisAngle(t,e))}applyMatrix3(t){const e=this.x,i=this.y,s=this.z,r=t.elements;return this.x=r[0]*e+r[3]*i+r[6]*s,this.y=r[1]*e+r[4]*i+r[7]*s,this.z=r[2]*e+r[5]*i+r[8]*s,this}applyNormalMatrix(t){return this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,i=this.y,s=this.z,r=t.elements,n=1/(r[3]*e+r[7]*i+r[11]*s+r[15]);return this.x=(r[0]*e+r[4]*i+r[8]*s+r[12])*n,this.y=(r[1]*e+r[5]*i+r[9]*s+r[13])*n,this.z=(r[2]*e+r[6]*i+r[10]*s+r[14])*n,this}applyQuaternion(t){const e=this.x,i=this.y,s=this.z,r=t.x,n=t.y,a=t.z,o=t.w,h=2*(n*s-a*i),l=2*(a*e-r*s),c=2*(r*i-n*e);return this.x=e+o*h+n*c-a*l,this.y=i+o*l+a*h-r*c,this.z=s+o*c+r*l-n*h,this}project(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)}unproject(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)}transformDirection(t){const e=this.x,i=this.y,s=this.z,r=t.elements;return this.x=r[0]*e+r[4]*i+r[8]*s,this.y=r[1]*e+r[5]*i+r[9]*s,this.z=r[2]*e+r[6]*i+r[10]*s,this.normalize()}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this}divideScalar(t){return this.multiplyScalar(1/t)}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this}clamp(t,e){return this.x=xs(this.x,t.x,e.x),this.y=xs(this.y,t.y,e.y),this.z=xs(this.z,t.z,e.z),this}clampScalar(t,e){return this.x=xs(this.x,t,e),this.y=xs(this.y,t,e),this.z=xs(this.z,t,e),this}clampLength(t,e){const i=this.length();return this.divideScalar(i||1).multiplyScalar(xs(i,t,e))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this}lerpVectors(t,e,i){return this.x=t.x+(e.x-t.x)*i,this.y=t.y+(e.y-t.y)*i,this.z=t.z+(e.z-t.z)*i,this}cross(t){return this.crossVectors(this,t)}crossVectors(t,e){const i=t.x,s=t.y,r=t.z,n=e.x,a=e.y,o=e.z;return this.x=s*o-r*a,this.y=r*n-i*o,this.z=i*a-s*n,this}projectOnVector(t){const e=t.lengthSq();if(0===e)return this.set(0,0,0);const i=t.dot(this)/e;return this.copy(t).multiplyScalar(i)}projectOnPlane(t){return zs.copy(this).projectOnVector(t),this.sub(zs)}reflect(t){return this.sub(zs.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const i=this.dot(t)/e;return Math.acos(xs(i,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,i=this.y-t.y,s=this.z-t.z;return e*e+i*i+s*s}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)}setFromSpherical(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)}setFromSphericalCoords(t,e,i){const s=Math.sin(e)*t;return this.x=s*Math.sin(i),this.y=Math.cos(e)*t,this.z=s*Math.cos(i),this}setFromCylindrical(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)}setFromCylindricalCoords(t,e,i){return this.x=t*Math.sin(e),this.y=i,this.z=t*Math.cos(e),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this}setFromMatrixScale(t){const e=this.setFromMatrixColumn(t,0).length(),i=this.setFromMatrixColumn(t,1).length(),s=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=i,this.z=s,this}setFromMatrixColumn(t,e){return this.fromArray(t.elements,4*e)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,3*e)}setFromEuler(t){return this.x=t._x,this.y=t._y,this.z=t._z,this}setFromColor(t){return this.x=t.r,this.y=t.g,this.z=t.b,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const t=Math.random()*Math.PI*2,e=2*Math.random()-1,i=Math.sqrt(1-e*e);return this.x=i*Math.cos(t),this.y=e,this.z=i*Math.sin(t),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const zs=new Ts,Cs=new As;class Is{static{Is.prototype.isMatrix3=!0}constructor(t,e,i,s,r,n,a,o,h){this.elements=[1,0,0,0,1,0,0,0,1],void 0!==t&&this.set(t,e,i,s,r,n,a,o,h)}set(t,e,i,s,r,n,a,o,h){const l=this.elements;return l[0]=t,l[1]=s,l[2]=a,l[3]=e,l[4]=r,l[5]=o,l[6]=i,l[7]=n,l[8]=h,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(t){const e=this.elements,i=t.elements;return e[0]=i[0],e[1]=i[1],e[2]=i[2],e[3]=i[3],e[4]=i[4],e[5]=i[5],e[6]=i[6],e[7]=i[7],e[8]=i[8],this}extractBasis(t,e,i){return t.setFromMatrix3Column(this,0),e.setFromMatrix3Column(this,1),i.setFromMatrix3Column(this,2),this}setFromMatrix4(t){const e=t.elements;return this.set(e[0],e[4],e[8],e[1],e[5],e[9],e[2],e[6],e[10]),this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const i=t.elements,s=e.elements,r=this.elements,n=i[0],a=i[3],o=i[6],h=i[1],l=i[4],c=i[7],u=i[2],d=i[5],p=i[8],m=s[0],y=s[3],g=s[6],f=s[1],x=s[4],b=s[7],v=s[2],w=s[5],M=s[8];return r[0]=n*m+a*f+o*v,r[3]=n*y+a*x+o*w,r[6]=n*g+a*b+o*M,r[1]=h*m+l*f+c*v,r[4]=h*y+l*x+c*w,r[7]=h*g+l*b+c*M,r[2]=u*m+d*f+p*v,r[5]=u*y+d*x+p*w,r[8]=u*g+d*b+p*M,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[3]*=t,e[6]*=t,e[1]*=t,e[4]*=t,e[7]*=t,e[2]*=t,e[5]*=t,e[8]*=t,this}determinant(){const t=this.elements,e=t[0],i=t[1],s=t[2],r=t[3],n=t[4],a=t[5],o=t[6],h=t[7],l=t[8];return e*n*l-e*a*h-i*r*l+i*a*o+s*r*h-s*n*o}invert(){const t=this.elements,e=t[0],i=t[1],s=t[2],r=t[3],n=t[4],a=t[5],o=t[6],h=t[7],l=t[8],c=l*n-a*h,u=a*o-l*r,d=h*r-n*o,p=e*c+i*u+s*d;if(0===p)return this.set(0,0,0,0,0,0,0,0,0);const m=1/p;return t[0]=c*m,t[1]=(s*h-l*i)*m,t[2]=(a*i-s*n)*m,t[3]=u*m,t[4]=(l*e-s*o)*m,t[5]=(s*r-a*e)*m,t[6]=d*m,t[7]=(i*o-h*e)*m,t[8]=(n*e-i*r)*m,this}transpose(){let t;const e=this.elements;return t=e[1],e[1]=e[3],e[3]=t,t=e[2],e[2]=e[6],e[6]=t,t=e[5],e[5]=e[7],e[7]=t,this}getNormalMatrix(t){return this.setFromMatrix4(t).invert().transpose()}transposeIntoArray(t){const e=this.elements;return t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8],this}setUvTransform(t,e,i,s,r,n,a){const o=Math.cos(r),h=Math.sin(r);return this.set(i*o,i*h,-i*(o*n+h*a)+n+t,-s*h,s*o,-s*(-h*n+o*a)+a+e,0,0,1),this}scale(t,e){return this.premultiply(Bs.makeScale(t,e)),this}rotate(t){return this.premultiply(Bs.makeRotation(-t)),this}translate(t,e){return this.premultiply(Bs.makeTranslation(t,e)),this}makeTranslation(t,e){return t.isVector2?this.set(1,0,t.x,0,1,t.y,0,0,1):this.set(1,0,t,0,1,e,0,0,1),this}makeRotation(t){const e=Math.cos(t),i=Math.sin(t);return this.set(e,-i,0,i,e,0,0,0,1),this}makeScale(t,e){return this.set(t,0,0,0,e,0,0,0,1),this}equals(t){const e=this.elements,i=t.elements;for(let t=0;t<9;t++)if(e[t]!==i[t])return!1;return!0}fromArray(t,e=0){for(let i=0;i<9;i++)this.elements[i]=t[i+e];return this}toArray(t=[],e=0){const i=this.elements;return t[e]=i[0],t[e+1]=i[1],t[e+2]=i[2],t[e+3]=i[3],t[e+4]=i[4],t[e+5]=i[5],t[e+6]=i[6],t[e+7]=i[7],t[e+8]=i[8],t}clone(){return(new this.constructor).fromArray(this.elements)}}const Bs=new Is,ks=(new Is).set(.4123908,.3575843,.1804808,.212639,.7151687,.0721923,.0193308,.1191948,.9505322),Os=(new Is).set(3.2409699,-1.5373832,-.4986108,-.9692436,1.8759675,.0415551,.0556301,-.203977,1.0569715);function Ps(){const t={enabled:!0,workingColorSpace:ii,spaces:{},convert:function(t,e,i){return!1!==this.enabled&&e!==i&&e&&i?(this.spaces[e].transfer===ri&&(t.r=Es(t.r),t.g=Es(t.g),t.b=Es(t.b)),this.spaces[e].primaries!==this.spaces[i].primaries&&(t.applyMatrix3(this.spaces[e].toXYZ),t.applyMatrix3(this.spaces[i].fromXYZ)),this.spaces[i].transfer===ri&&(t.r=Ns(t.r),t.g=Ns(t.g),t.b=Ns(t.b)),t):t},workingToColorSpace:function(t,e){return this.convert(t,this.workingColorSpace,e)},colorSpaceToWorking:function(t,e){return this.convert(t,e,this.workingColorSpace)},getPrimaries:function(t){return this.spaces[t].primaries},getTransfer:function(t){return""===t?si:this.spaces[t].transfer},getToneMappingMode:function(t){return this.spaces[t].outputColorSpaceConfig.toneMappingMode||"standard"},getLuminanceCoefficients:function(t,e=this.workingColorSpace){return t.fromArray(this.spaces[e].luminanceCoefficients)},define:function(t){Object.assign(this.spaces,t)},_getMatrix:function(t,e,i){return t.copy(this.spaces[e].toXYZ).multiply(this.spaces[i].fromXYZ)},_getDrawingBufferColorSpace:function(t){return this.spaces[t].outputColorSpaceConfig.drawingBufferColorSpace},_getUnpackColorSpace:function(t=this.workingColorSpace){return this.spaces[t].workingColorSpaceConfig.unpackColorSpace},fromWorkingColorSpace:function(e,i){return hs("ColorManagement: .fromWorkingColorSpace() has been renamed to .workingToColorSpace()."),t.workingToColorSpace(e,i)},toWorkingColorSpace:function(e,i){return hs("ColorManagement: .toWorkingColorSpace() has been renamed to .colorSpaceToWorking()."),t.colorSpaceToWorking(e,i)}},e=[.64,.33,.3,.6,.15,.06],i=[.2126,.7152,.0722],s=[.3127,.329];return t.define({[ii]:{primaries:e,whitePoint:s,transfer:si,toXYZ:ks,fromXYZ:Os,luminanceCoefficients:i,workingColorSpaceConfig:{unpackColorSpace:ei},outputColorSpaceConfig:{drawingBufferColorSpace:ei}},[ei]:{primaries:e,whitePoint:s,transfer:ri,toXYZ:ks,fromXYZ:Os,luminanceCoefficients:i,outputColorSpaceConfig:{drawingBufferColorSpace:ei}}}),t}const Rs=Ps();function Es(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function Ns(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}let Vs;class Fs{static getDataURL(t,e="image/png"){if(/^data:/i.test(t.src))return t.src;if("undefined"==typeof HTMLCanvasElement)return t.src;let i;if(t instanceof HTMLCanvasElement)i=t;else{void 0===Vs&&(Vs=Qi("canvas")),Vs.width=t.width,Vs.height=t.height;const e=Vs.getContext("2d");t instanceof ImageData?e.putImageData(t,0,0):e.drawImage(t,0,0,t.width,t.height),i=Vs}return i.toDataURL(e)}static sRGBToLinear(t){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const e=Qi("canvas");e.width=t.width,e.height=t.height;const i=e.getContext("2d");i.drawImage(t,0,0,t.width,t.height);const s=i.getImageData(0,0,t.width,t.height),r=s.data;for(let t=0;t<r.length;t++)r[t]=255*Es(r[t]/255);return i.putImageData(s,0,0),e}if(t.data){const e=t.data.slice(0);for(let t=0;t<e.length;t++)e instanceof Uint8Array||e instanceof Uint8ClampedArray?e[t]=Math.floor(255*Es(e[t]/255)):e[t]=Es(e[t]);return{data:e,width:t.width,height:t.height}}return as("ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."),t}}let Ls=0;class Ds{constructor(t=null){this.isSource=!0,Object.defineProperty(this,"id",{value:Ls++}),this.uuid=fs(),this.data=t,this.dataReady=!0,this.version=0}getSize(t){const e=this.data;return"undefined"!=typeof HTMLVideoElement&&e instanceof HTMLVideoElement?t.set(e.videoWidth,e.videoHeight,0):"undefined"!=typeof VideoFrame&&e instanceof VideoFrame?t.set(e.displayWidth,e.displayHeight,0):null!==e?t.set(e.width,e.height,e.depth||0):t.set(0,0,0),t}set needsUpdate(t){!0===t&&this.version++}toJSON(t){const e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.images[this.uuid])return t.images[this.uuid];const i={uuid:this.uuid,url:""},s=this.data;if(null!==s){let t;if(Array.isArray(s)){t=[];for(let e=0,i=s.length;e<i;e++)s[e].isDataTexture?t.push(js(s[e].image)):t.push(js(s[e]))}else t=js(s);i.url=t}return e||(t.images[this.uuid]=i),i}}function js(t){return"undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap?Fs.getDataURL(t):t.data?{data:Array.from(t.data),width:t.width,height:t.height,type:t.data.constructor.name}:(as("Texture: Unable to serialize Texture."),{})}let Us=0;const Ws=new Ts;class Js extends ds{constructor(t=Js.DEFAULT_IMAGE,e=Js.DEFAULT_MAPPING,i=1001,s=1001,r=1006,n=1008,a=1023,o=1009,h=Js.DEFAULT_ANISOTROPY,l=""){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:Us++}),this.uuid=fs(),this.name="",this.source=new Ds(t),this.mipmaps=[],this.mapping=e,this.channel=0,this.wrapS=i,this.wrapT=s,this.magFilter=r,this.minFilter=n,this.anisotropy=h,this.format=a,this.internalFormat=null,this.type=o,this.offset=new _s(0,0),this.repeat=new _s(1,1),this.center=new _s(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new Is,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.colorSpace=l,this.userData={},this.updateRanges=[],this.version=0,this.onUpdate=null,this.renderTarget=null,this.isRenderTargetTexture=!1,this.isArrayTexture=!!(t&&t.depth&&t.depth>1),this.pmremVersion=0,this.normalized=!1}get width(){return this.source.getSize(Ws).x}get height(){return this.source.getSize(Ws).y}get depth(){return this.source.getSize(Ws).z}get image(){return this.source.data}set image(t){this.source.data=t}updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}clone(){return(new this.constructor).copy(this)}copy(t){return this.name=t.name,this.source=t.source,this.mipmaps=t.mipmaps.slice(0),this.mapping=t.mapping,this.channel=t.channel,this.wrapS=t.wrapS,this.wrapT=t.wrapT,this.magFilter=t.magFilter,this.minFilter=t.minFilter,this.anisotropy=t.anisotropy,this.format=t.format,this.internalFormat=t.internalFormat,this.type=t.type,this.normalized=t.normalized,this.offset.copy(t.offset),this.repeat.copy(t.repeat),this.center.copy(t.center),this.rotation=t.rotation,this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrix.copy(t.matrix),this.generateMipmaps=t.generateMipmaps,this.premultiplyAlpha=t.premultiplyAlpha,this.flipY=t.flipY,this.unpackAlignment=t.unpackAlignment,this.colorSpace=t.colorSpace,this.renderTarget=t.renderTarget,this.isRenderTargetTexture=t.isRenderTargetTexture,this.isArrayTexture=t.isArrayTexture,this.userData=JSON.parse(JSON.stringify(t.userData)),this.needsUpdate=!0,this}setValues(t){for(const e in t){const i=t[e];if(void 0===i){as(`Texture.setValues(): parameter '${e}' has value of undefined.`);continue}const s=this[e];void 0!==s?s&&i&&s.isVector2&&i.isVector2||s&&i&&s.isVector3&&i.isVector3||s&&i&&s.isMatrix3&&i.isMatrix3?s.copy(i):this[e]=i:as(`Texture.setValues(): property '${e}' does not exist.`)}}toJSON(t){const e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.textures[this.uuid])return t.textures[this.uuid];const i={metadata:{version:4.7,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,image:this.source.toJSON(t).uuid,mapping:this.mapping,channel:this.channel,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,internalFormat:this.internalFormat,type:this.type,normalized:this.normalized,colorSpace:this.colorSpace,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,generateMipmaps:this.generateMipmaps,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};return Object.keys(this.userData).length>0&&(i.userData=this.userData),e||(t.textures[this.uuid]=i),i}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(t){if(this.mapping!==ht)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case mt:t.x=t.x-Math.floor(t.x);break;case yt:t.x=t.x<0?0:1;break;case gt:1===Math.abs(Math.floor(t.x)%2)?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x)}if(t.y<0||t.y>1)switch(this.wrapT){case mt:t.y=t.y-Math.floor(t.y);break;case yt:t.y=t.y<0?0:1;break;case gt:1===Math.abs(Math.floor(t.y)%2)?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y)}return this.flipY&&(t.y=1-t.y),t}set needsUpdate(t){!0===t&&(this.version++,this.source.needsUpdate=!0)}set needsPMREMUpdate(t){!0===t&&this.pmremVersion++}}Js.DEFAULT_IMAGE=null,Js.DEFAULT_MAPPING=ht,Js.DEFAULT_ANISOTROPY=1;class qs{static{qs.prototype.isVector4=!0}constructor(t=0,e=0,i=0,s=1){this.x=t,this.y=e,this.z=i,this.w=s}get width(){return this.z}set width(t){this.z=t}get height(){return this.w}set height(t){this.w=t}set(t,e,i,s){return this.x=t,this.y=e,this.z=i,this.w=s,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this.w=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setW(t){return this.w=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;case 3:this.w=e;break;default:throw new Error("THREE.Vector4: index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("THREE.Vector4: index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=void 0!==t.w?t.w:1,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this.w=t.w-e.w,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this.w*=t.w,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this}applyMatrix4(t){const e=this.x,i=this.y,s=this.z,r=this.w,n=t.elements;return this.x=n[0]*e+n[4]*i+n[8]*s+n[12]*r,this.y=n[1]*e+n[5]*i+n[9]*s+n[13]*r,this.z=n[2]*e+n[6]*i+n[10]*s+n[14]*r,this.w=n[3]*e+n[7]*i+n[11]*s+n[15]*r,this}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this.w/=t.w,this}divideScalar(t){return this.multiplyScalar(1/t)}setAxisAngleFromQuaternion(t){this.w=2*Math.acos(t.w);const e=Math.sqrt(1-t.w*t.w);return e<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/e,this.y=t.y/e,this.z=t.z/e),this}setAxisAngleFromRotationMatrix(t){let e,i,s,r;const n=.01,a=.1,o=t.elements,h=o[0],l=o[4],c=o[8],u=o[1],d=o[5],p=o[9],m=o[2],y=o[6],g=o[10];if(Math.abs(l-u)<n&&Math.abs(c-m)<n&&Math.abs(p-y)<n){if(Math.abs(l+u)<a&&Math.abs(c+m)<a&&Math.abs(p+y)<a&&Math.abs(h+d+g-3)<a)return this.set(1,0,0,0),this;e=Math.PI;const t=(h+1)/2,o=(d+1)/2,f=(g+1)/2,x=(l+u)/4,b=(c+m)/4,v=(p+y)/4;return t>o&&t>f?t<n?(i=0,s=.707106781,r=.707106781):(i=Math.sqrt(t),s=x/i,r=b/i):o>f?o<n?(i=.707106781,s=0,r=.707106781):(s=Math.sqrt(o),i=x/s,r=v/s):f<n?(i=.707106781,s=.707106781,r=0):(r=Math.sqrt(f),i=b/r,s=v/r),this.set(i,s,r,e),this}let f=Math.sqrt((y-p)*(y-p)+(c-m)*(c-m)+(u-l)*(u-l));return Math.abs(f)<.001&&(f=1),this.x=(y-p)/f,this.y=(c-m)/f,this.z=(u-l)/f,this.w=Math.acos((h+d+g-1)/2),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this.w=e[15],this}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this.w=Math.min(this.w,t.w),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this.w=Math.max(this.w,t.w),this}clamp(t,e){return this.x=xs(this.x,t.x,e.x),this.y=xs(this.y,t.y,e.y),this.z=xs(this.z,t.z,e.z),this.w=xs(this.w,t.w,e.w),this}clampScalar(t,e){return this.x=xs(this.x,t,e),this.y=xs(this.y,t,e),this.z=xs(this.z,t,e),this.w=xs(this.w,t,e),this}clampLength(t,e){const i=this.length();return this.divideScalar(i||1).multiplyScalar(xs(i,t,e))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this.w=Math.trunc(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z+this.w*t.w}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this.w+=(t.w-this.w)*e,this}lerpVectors(t,e,i){return this.x=t.x+(e.x-t.x)*i,this.y=t.y+(e.y-t.y)*i,this.z=t.z+(e.z-t.z)*i,this.w=t.w+(e.w-t.w)*i,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z&&t.w===this.w}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this.w=t[e+3],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t[e+3]=this.w,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this.w=t.getW(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z,yield this.w}}class Hs extends ds{constructor(t=1,e=1,i={}){super(),i=Object.assign({generateMipmaps:!1,internalFormat:null,minFilter:Mt,depthBuffer:!0,stencilBuffer:!1,resolveDepthBuffer:!0,resolveStencilBuffer:!0,depthTexture:null,samples:0,count:1,depth:1,multiview:!1,useArrayDepthTexture:!1},i),this.isRenderTarget=!0,this.width=t,this.height=e,this.depth=i.depth,this.scissor=new qs(0,0,t,e),this.scissorTest=!1,this.viewport=new qs(0,0,t,e),this.textures=[];const s={width:t,height:e,depth:i.depth},r=new Js(s),n=i.count;for(let t=0;t<n;t++)this.textures[t]=r.clone(),this.textures[t].isRenderTargetTexture=!0,this.textures[t].renderTarget=this;this._setTextureOptions(i),this.depthBuffer=i.depthBuffer,this.stencilBuffer=i.stencilBuffer,this.resolveDepthBuffer=i.resolveDepthBuffer,this.resolveStencilBuffer=i.resolveStencilBuffer,this._depthTexture=null,this.depthTexture=i.depthTexture,this.samples=i.samples,this.multiview=i.multiview,this.useArrayDepthTexture=i.useArrayDepthTexture}_setTextureOptions(t={}){const e={minFilter:Mt,generateMipmaps:!1,flipY:!1,internalFormat:null};void 0!==t.mapping&&(e.mapping=t.mapping),void 0!==t.wrapS&&(e.wrapS=t.wrapS),void 0!==t.wrapT&&(e.wrapT=t.wrapT),void 0!==t.wrapR&&(e.wrapR=t.wrapR),void 0!==t.magFilter&&(e.magFilter=t.magFilter),void 0!==t.minFilter&&(e.minFilter=t.minFilter),void 0!==t.format&&(e.format=t.format),void 0!==t.type&&(e.type=t.type),void 0!==t.anisotropy&&(e.anisotropy=t.anisotropy),void 0!==t.colorSpace&&(e.colorSpace=t.colorSpace),void 0!==t.flipY&&(e.flipY=t.flipY),void 0!==t.generateMipmaps&&(e.generateMipmaps=t.generateMipmaps),void 0!==t.internalFormat&&(e.internalFormat=t.internalFormat);for(let t=0;t<this.textures.length;t++){this.textures[t].setValues(e)}}get texture(){return this.textures[0]}set texture(t){this.textures[0]=t}set depthTexture(t){null!==this._depthTexture&&(this._depthTexture.renderTarget=null),null!==t&&(t.renderTarget=this),this._depthTexture=t}get depthTexture(){return this._depthTexture}setSize(t,e,i=1){if(this.width!==t||this.height!==e||this.depth!==i){this.width=t,this.height=e,this.depth=i;for(let s=0,r=this.textures.length;s<r;s++)this.textures[s].image.width=t,this.textures[s].image.height=e,this.textures[s].image.depth=i,!0!==this.textures[s].isData3DTexture&&(this.textures[s].isArrayTexture=this.textures[s].image.depth>1);this.dispose()}this.viewport.set(0,0,t,e),this.scissor.set(0,0,t,e)}clone(){return(new this.constructor).copy(this)}copy(t){this.width=t.width,this.height=t.height,this.depth=t.depth,this.scissor.copy(t.scissor),this.scissorTest=t.scissorTest,this.viewport.copy(t.viewport),this.textures.length=0;for(let e=0,i=t.textures.length;e<i;e++){this.textures[e]=t.textures[e].clone(),this.textures[e].isRenderTargetTexture=!0,this.textures[e].renderTarget=this;const i=Object.assign({},t.textures[e].image);this.textures[e].source=new Ds(i)}return this.depthBuffer=t.depthBuffer,this.stencilBuffer=t.stencilBuffer,this.resolveDepthBuffer=t.resolveDepthBuffer,this.resolveStencilBuffer=t.resolveStencilBuffer,null!==t.depthTexture&&(this.depthTexture=t.depthTexture.clone()),this.samples=t.samples,this.multiview=t.multiview,this.useArrayDepthTexture=t.useArrayDepthTexture,this}dispose(){this.dispatchEvent({type:"dispose"})}}class Xs extends Hs{constructor(t=1,e=1,i={}){super(t,e,i),this.isWebGLRenderTarget=!0}}class Ys extends Js{constructor(t=null,e=1,i=1,s=1){super(null),this.isDataArrayTexture=!0,this.image={data:t,width:e,height:i,depth:s},this.magFilter=ft,this.minFilter=ft,this.wrapR=yt,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.layerUpdates=new Set}addLayerUpdate(t){this.layerUpdates.add(t)}clearLayerUpdates(){this.layerUpdates.clear()}}class Zs extends Xs{constructor(t=1,e=1,i=1,s={}){super(t,e,s),this.isWebGLArrayRenderTarget=!0,this.depth=i,this.texture=new Ys(null,t,e,i),this._setTextureOptions(s),this.texture.isRenderTargetTexture=!0}}class Gs extends Js{constructor(t=null,e=1,i=1,s=1){super(null),this.isData3DTexture=!0,this.image={data:t,width:e,height:i,depth:s},this.magFilter=ft,this.minFilter=ft,this.wrapR=yt,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class $s extends Xs{constructor(t=1,e=1,i=1,s={}){super(t,e,s),this.isWebGL3DRenderTarget=!0,this.depth=i,this.texture=new Gs(null,t,e,i),this._setTextureOptions(s),this.texture.isRenderTargetTexture=!0}}class Qs{static{Qs.prototype.isMatrix4=!0}constructor(t,e,i,s,r,n,a,o,h,l,c,u,d,p,m,y){this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],void 0!==t&&this.set(t,e,i,s,r,n,a,o,h,l,c,u,d,p,m,y)}set(t,e,i,s,r,n,a,o,h,l,c,u,d,p,m,y){const g=this.elements;return g[0]=t,g[4]=e,g[8]=i,g[12]=s,g[1]=r,g[5]=n,g[9]=a,g[13]=o,g[2]=h,g[6]=l,g[10]=c,g[14]=u,g[3]=d,g[7]=p,g[11]=m,g[15]=y,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return(new Qs).fromArray(this.elements)}copy(t){const e=this.elements,i=t.elements;return e[0]=i[0],e[1]=i[1],e[2]=i[2],e[3]=i[3],e[4]=i[4],e[5]=i[5],e[6]=i[6],e[7]=i[7],e[8]=i[8],e[9]=i[9],e[10]=i[10],e[11]=i[11],e[12]=i[12],e[13]=i[13],e[14]=i[14],e[15]=i[15],this}copyPosition(t){const e=this.elements,i=t.elements;return e[12]=i[12],e[13]=i[13],e[14]=i[14],this}setFromMatrix3(t){const e=t.elements;return this.set(e[0],e[3],e[6],0,e[1],e[4],e[7],0,e[2],e[5],e[8],0,0,0,0,1),this}extractBasis(t,e,i){return 0===this.determinant()?(t.set(1,0,0),e.set(0,1,0),i.set(0,0,1),this):(t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),i.setFromMatrixColumn(this,2),this)}makeBasis(t,e,i){return this.set(t.x,e.x,i.x,0,t.y,e.y,i.y,0,t.z,e.z,i.z,0,0,0,0,1),this}extractRotation(t){if(0===t.determinant())return this.identity();const e=this.elements,i=t.elements,s=1/Ks.setFromMatrixColumn(t,0).length(),r=1/Ks.setFromMatrixColumn(t,1).length(),n=1/Ks.setFromMatrixColumn(t,2).length();return e[0]=i[0]*s,e[1]=i[1]*s,e[2]=i[2]*s,e[3]=0,e[4]=i[4]*r,e[5]=i[5]*r,e[6]=i[6]*r,e[7]=0,e[8]=i[8]*n,e[9]=i[9]*n,e[10]=i[10]*n,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromEuler(t){const e=this.elements,i=t.x,s=t.y,r=t.z,n=Math.cos(i),a=Math.sin(i),o=Math.cos(s),h=Math.sin(s),l=Math.cos(r),c=Math.sin(r);if("XYZ"===t.order){const t=n*l,i=n*c,s=a*l,r=a*c;e[0]=o*l,e[4]=-o*c,e[8]=h,e[1]=i+s*h,e[5]=t-r*h,e[9]=-a*o,e[2]=r-t*h,e[6]=s+i*h,e[10]=n*o}else if("YXZ"===t.order){const t=o*l,i=o*c,s=h*l,r=h*c;e[0]=t+r*a,e[4]=s*a-i,e[8]=n*h,e[1]=n*c,e[5]=n*l,e[9]=-a,e[2]=i*a-s,e[6]=r+t*a,e[10]=n*o}else if("ZXY"===t.order){const t=o*l,i=o*c,s=h*l,r=h*c;e[0]=t-r*a,e[4]=-n*c,e[8]=s+i*a,e[1]=i+s*a,e[5]=n*l,e[9]=r-t*a,e[2]=-n*h,e[6]=a,e[10]=n*o}else if("ZYX"===t.order){const t=n*l,i=n*c,s=a*l,r=a*c;e[0]=o*l,e[4]=s*h-i,e[8]=t*h+r,e[1]=o*c,e[5]=r*h+t,e[9]=i*h-s,e[2]=-h,e[6]=a*o,e[10]=n*o}else if("YZX"===t.order){const t=n*o,i=n*h,s=a*o,r=a*h;e[0]=o*l,e[4]=r-t*c,e[8]=s*c+i,e[1]=c,e[5]=n*l,e[9]=-a*l,e[2]=-h*l,e[6]=i*c+s,e[10]=t-r*c}else if("XZY"===t.order){const t=n*o,i=n*h,s=a*o,r=a*h;e[0]=o*l,e[4]=-c,e[8]=h*l,e[1]=t*c+r,e[5]=n*l,e[9]=i*c-s,e[2]=s*c-i,e[6]=a*l,e[10]=r*c+t}return e[3]=0,e[7]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromQuaternion(t){return this.compose(er,t,ir)}lookAt(t,e,i){const s=this.elements;return nr.subVectors(t,e),0===nr.lengthSq()&&(nr.z=1),nr.normalize(),sr.crossVectors(i,nr),0===sr.lengthSq()&&(1===Math.abs(i.z)?nr.x+=1e-4:nr.z+=1e-4,nr.normalize(),sr.crossVectors(i,nr)),sr.normalize(),rr.crossVectors(nr,sr),s[0]=sr.x,s[4]=rr.x,s[8]=nr.x,s[1]=sr.y,s[5]=rr.y,s[9]=nr.y,s[2]=sr.z,s[6]=rr.z,s[10]=nr.z,this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const i=t.elements,s=e.elements,r=this.elements,n=i[0],a=i[4],o=i[8],h=i[12],l=i[1],c=i[5],u=i[9],d=i[13],p=i[2],m=i[6],y=i[10],g=i[14],f=i[3],x=i[7],b=i[11],v=i[15],w=s[0],M=s[4],S=s[8],_=s[12],A=s[1],T=s[5],z=s[9],C=s[13],I=s[2],B=s[6],k=s[10],O=s[14],P=s[3],R=s[7],E=s[11],N=s[15];return r[0]=n*w+a*A+o*I+h*P,r[4]=n*M+a*T+o*B+h*R,r[8]=n*S+a*z+o*k+h*E,r[12]=n*_+a*C+o*O+h*N,r[1]=l*w+c*A+u*I+d*P,r[5]=l*M+c*T+u*B+d*R,r[9]=l*S+c*z+u*k+d*E,r[13]=l*_+c*C+u*O+d*N,r[2]=p*w+m*A+y*I+g*P,r[6]=p*M+m*T+y*B+g*R,r[10]=p*S+m*z+y*k+g*E,r[14]=p*_+m*C+y*O+g*N,r[3]=f*w+x*A+b*I+v*P,r[7]=f*M+x*T+b*B+v*R,r[11]=f*S+x*z+b*k+v*E,r[15]=f*_+x*C+b*O+v*N,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[4]*=t,e[8]*=t,e[12]*=t,e[1]*=t,e[5]*=t,e[9]*=t,e[13]*=t,e[2]*=t,e[6]*=t,e[10]*=t,e[14]*=t,e[3]*=t,e[7]*=t,e[11]*=t,e[15]*=t,this}determinant(){const t=this.elements,e=t[0],i=t[4],s=t[8],r=t[12],n=t[1],a=t[5],o=t[9],h=t[13],l=t[2],c=t[6],u=t[10],d=t[14],p=t[3],m=t[7],y=t[11],g=t[15],f=o*d-h*u,x=a*d-h*c,b=a*u-o*c,v=n*d-h*l,w=n*u-o*l,M=n*c-a*l;return e*(m*f-y*x+g*b)-i*(p*f-y*v+g*w)+s*(p*x-m*v+g*M)-r*(p*b-m*w+y*M)}transpose(){const t=this.elements;let e;return e=t[1],t[1]=t[4],t[4]=e,e=t[2],t[2]=t[8],t[8]=e,e=t[6],t[6]=t[9],t[9]=e,e=t[3],t[3]=t[12],t[12]=e,e=t[7],t[7]=t[13],t[13]=e,e=t[11],t[11]=t[14],t[14]=e,this}setPosition(t,e,i){const s=this.elements;return t.isVector3?(s[12]=t.x,s[13]=t.y,s[14]=t.z):(s[12]=t,s[13]=e,s[14]=i),this}invert(){const t=this.elements,e=t[0],i=t[1],s=t[2],r=t[3],n=t[4],a=t[5],o=t[6],h=t[7],l=t[8],c=t[9],u=t[10],d=t[11],p=t[12],m=t[13],y=t[14],g=t[15],f=e*a-i*n,x=e*o-s*n,b=e*h-r*n,v=i*o-s*a,w=i*h-r*a,M=s*h-r*o,S=l*m-c*p,_=l*y-u*p,A=l*g-d*p,T=c*y-u*m,z=c*g-d*m,C=u*g-d*y,I=f*C-x*z+b*T+v*A-w*_+M*S;if(0===I)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const B=1/I;return t[0]=(a*C-o*z+h*T)*B,t[1]=(s*z-i*C-r*T)*B,t[2]=(m*M-y*w+g*v)*B,t[3]=(u*w-c*M-d*v)*B,t[4]=(o*A-n*C-h*_)*B,t[5]=(e*C-s*A+r*_)*B,t[6]=(y*b-p*M-g*x)*B,t[7]=(l*M-u*b+d*x)*B,t[8]=(n*z-a*A+h*S)*B,t[9]=(i*A-e*z-r*S)*B,t[10]=(p*w-m*b+g*f)*B,t[11]=(c*b-l*w-d*f)*B,t[12]=(a*_-n*T-o*S)*B,t[13]=(e*T-i*_+s*S)*B,t[14]=(m*x-p*v-y*f)*B,t[15]=(l*v-c*x+u*f)*B,this}scale(t){const e=this.elements,i=t.x,s=t.y,r=t.z;return e[0]*=i,e[4]*=s,e[8]*=r,e[1]*=i,e[5]*=s,e[9]*=r,e[2]*=i,e[6]*=s,e[10]*=r,e[3]*=i,e[7]*=s,e[11]*=r,this}getMaxScaleOnAxis(){const t=this.elements,e=t[0]*t[0]+t[1]*t[1]+t[2]*t[2],i=t[4]*t[4]+t[5]*t[5]+t[6]*t[6],s=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(e,i,s))}makeTranslation(t,e,i){return t.isVector3?this.set(1,0,0,t.x,0,1,0,t.y,0,0,1,t.z,0,0,0,1):this.set(1,0,0,t,0,1,0,e,0,0,1,i,0,0,0,1),this}makeRotationX(t){const e=Math.cos(t),i=Math.sin(t);return this.set(1,0,0,0,0,e,-i,0,0,i,e,0,0,0,0,1),this}makeRotationY(t){const e=Math.cos(t),i=Math.sin(t);return this.set(e,0,i,0,0,1,0,0,-i,0,e,0,0,0,0,1),this}makeRotationZ(t){const e=Math.cos(t),i=Math.sin(t);return this.set(e,-i,0,0,i,e,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(t,e){const i=Math.cos(e),s=Math.sin(e),r=1-i,n=t.x,a=t.y,o=t.z,h=r*n,l=r*a;return this.set(h*n+i,h*a-s*o,h*o+s*a,0,h*a+s*o,l*a+i,l*o-s*n,0,h*o-s*a,l*o+s*n,r*o*o+i,0,0,0,0,1),this}makeScale(t,e,i){return this.set(t,0,0,0,0,e,0,0,0,0,i,0,0,0,0,1),this}makeShear(t,e,i,s,r,n){return this.set(1,i,r,0,t,1,n,0,e,s,1,0,0,0,0,1),this}compose(t,e,i){const s=this.elements,r=e._x,n=e._y,a=e._z,o=e._w,h=r+r,l=n+n,c=a+a,u=r*h,d=r*l,p=r*c,m=n*l,y=n*c,g=a*c,f=o*h,x=o*l,b=o*c,v=i.x,w=i.y,M=i.z;return s[0]=(1-(m+g))*v,s[1]=(d+b)*v,s[2]=(p-x)*v,s[3]=0,s[4]=(d-b)*w,s[5]=(1-(u+g))*w,s[6]=(y+f)*w,s[7]=0,s[8]=(p+x)*M,s[9]=(y-f)*M,s[10]=(1-(u+m))*M,s[11]=0,s[12]=t.x,s[13]=t.y,s[14]=t.z,s[15]=1,this}decompose(t,e,i){const s=this.elements;t.x=s[12],t.y=s[13],t.z=s[14];const r=this.determinant();if(0===r)return i.set(1,1,1),e.identity(),this;let n=Ks.set(s[0],s[1],s[2]).length();const a=Ks.set(s[4],s[5],s[6]).length(),o=Ks.set(s[8],s[9],s[10]).length();r<0&&(n=-n),tr.copy(this);const h=1/n,l=1/a,c=1/o;return tr.elements[0]*=h,tr.elements[1]*=h,tr.elements[2]*=h,tr.elements[4]*=l,tr.elements[5]*=l,tr.elements[6]*=l,tr.elements[8]*=c,tr.elements[9]*=c,tr.elements[10]*=c,e.setFromRotationMatrix(tr),i.x=n,i.y=a,i.z=o,this}makePerspective(t,e,i,s,r,n,a=2e3,o=!1){const h=this.elements,l=2*r/(e-t),c=2*r/(i-s),u=(e+t)/(e-t),d=(i+s)/(i-s);let p,m;if(o)p=r/(n-r),m=n*r/(n-r);else if(a===Wi)p=-(n+r)/(n-r),m=-2*n*r/(n-r);else{if(a!==Ji)throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+a);p=-n/(n-r),m=-n*r/(n-r)}return h[0]=l,h[4]=0,h[8]=u,h[12]=0,h[1]=0,h[5]=c,h[9]=d,h[13]=0,h[2]=0,h[6]=0,h[10]=p,h[14]=m,h[3]=0,h[7]=0,h[11]=-1,h[15]=0,this}makeOrthographic(t,e,i,s,r,n,a=2e3,o=!1){const h=this.elements,l=2/(e-t),c=2/(i-s),u=-(e+t)/(e-t),d=-(i+s)/(i-s);let p,m;if(o)p=1/(n-r),m=n/(n-r);else if(a===Wi)p=-2/(n-r),m=-(n+r)/(n-r);else{if(a!==Ji)throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+a);p=-1/(n-r),m=-r/(n-r)}return h[0]=l,h[4]=0,h[8]=0,h[12]=u,h[1]=0,h[5]=c,h[9]=0,h[13]=d,h[2]=0,h[6]=0,h[10]=p,h[14]=m,h[3]=0,h[7]=0,h[11]=0,h[15]=1,this}equals(t){const e=this.elements,i=t.elements;for(let t=0;t<16;t++)if(e[t]!==i[t])return!1;return!0}fromArray(t,e=0){for(let i=0;i<16;i++)this.elements[i]=t[i+e];return this}toArray(t=[],e=0){const i=this.elements;return t[e]=i[0],t[e+1]=i[1],t[e+2]=i[2],t[e+3]=i[3],t[e+4]=i[4],t[e+5]=i[5],t[e+6]=i[6],t[e+7]=i[7],t[e+8]=i[8],t[e+9]=i[9],t[e+10]=i[10],t[e+11]=i[11],t[e+12]=i[12],t[e+13]=i[13],t[e+14]=i[14],t[e+15]=i[15],t}}const Ks=new Ts,tr=new Qs,er=new Ts(0,0,0),ir=new Ts(1,1,1),sr=new Ts,rr=new Ts,nr=new Ts,ar=new Qs,or=new As;class hr{constructor(t=0,e=0,i=0,s=hr.DEFAULT_ORDER){this.isEuler=!0,this._x=t,this._y=e,this._z=i,this._order=s}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get order(){return this._order}set order(t){this._order=t,this._onChangeCallback()}set(t,e,i,s=this._order){return this._x=t,this._y=e,this._z=i,this._order=s,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(t){return this._x=t._x,this._y=t._y,this._z=t._z,this._order=t._order,this._onChangeCallback(),this}setFromRotationMatrix(t,e=this._order,i=!0){const s=t.elements,r=s[0],n=s[4],a=s[8],o=s[1],h=s[5],l=s[9],c=s[2],u=s[6],d=s[10];switch(e){case"XYZ":this._y=Math.asin(xs(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(-l,d),this._z=Math.atan2(-n,r)):(this._x=Math.atan2(u,h),this._z=0);break;case"YXZ":this._x=Math.asin(-xs(l,-1,1)),Math.abs(l)<.9999999?(this._y=Math.atan2(a,d),this._z=Math.atan2(o,h)):(this._y=Math.atan2(-c,r),this._z=0);break;case"ZXY":this._x=Math.asin(xs(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(-c,d),this._z=Math.atan2(-n,h)):(this._y=0,this._z=Math.atan2(o,r));break;case"ZYX":this._y=Math.asin(-xs(c,-1,1)),Math.abs(c)<.9999999?(this._x=Math.atan2(u,d),this._z=Math.atan2(o,r)):(this._x=0,this._z=Math.atan2(-n,h));break;case"YZX":this._z=Math.asin(xs(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-l,h),this._y=Math.atan2(-c,r)):(this._x=0,this._y=Math.atan2(a,d));break;case"XZY":this._z=Math.asin(-xs(n,-1,1)),Math.abs(n)<.9999999?(this._x=Math.atan2(u,h),this._y=Math.atan2(a,r)):(this._x=Math.atan2(-l,d),this._y=0);break;default:as("Euler: .setFromRotationMatrix() encountered an unknown order: "+e)}return this._order=e,!0===i&&this._onChangeCallback(),this}setFromQuaternion(t,e,i){return ar.makeRotationFromQuaternion(t),this.setFromRotationMatrix(ar,e,i)}setFromVector3(t,e=this._order){return this.set(t.x,t.y,t.z,e)}reorder(t){return or.setFromEuler(this),this.setFromQuaternion(or,t)}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._order===this._order}fromArray(t){return this._x=t[0],this._y=t[1],this._z=t[2],void 0!==t[3]&&(this._order=t[3]),this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._order,t}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}}hr.DEFAULT_ORDER="XYZ";class lr{constructor(){this.mask=1}set(t){this.mask=1<<t>>>0}enable(t){this.mask|=1<<t}enableAll(){this.mask=-1}toggle(t){this.mask^=1<<t}disable(t){this.mask&=~(1<<t)}disableAll(){this.mask=0}test(t){return 0!==(this.mask&t.mask)}isEnabled(t){return!!(this.mask&1<<t)}}let cr=0;const ur=new Ts,dr=new As,pr=new Qs,mr=new Ts,yr=new Ts,gr=new Ts,fr=new As,xr=new Ts(1,0,0),br=new Ts(0,1,0),vr=new Ts(0,0,1),wr={type:"added"},Mr={type:"removed"},Sr={type:"childadded",child:null},_r={type:"childremoved",child:null};class Ar extends ds{constructor(){super(),this.isObject3D=!0,Object.defineProperty(this,"id",{value:cr++}),this.uuid=fs(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=Ar.DEFAULT_UP.clone();const t=new Ts,e=new hr,i=new As,s=new Ts(1,1,1);e._onChange(function(){i.setFromEuler(e,!1)}),i._onChange(function(){e.setFromQuaternion(i,void 0,!1)}),Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:t},rotation:{configurable:!0,enumerable:!0,value:e},quaternion:{configurable:!0,enumerable:!0,value:i},scale:{configurable:!0,enumerable:!0,value:s},modelViewMatrix:{value:new Qs},normalMatrix:{value:new Is}}),this.matrix=new Qs,this.matrixWorld=new Qs,this.matrixAutoUpdate=Ar.DEFAULT_MATRIX_AUTO_UPDATE,this.matrixWorldAutoUpdate=Ar.DEFAULT_MATRIX_WORLD_AUTO_UPDATE,this.matrixWorldNeedsUpdate=!1,this.layers=new lr,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.customDepthMaterial=void 0,this.customDistanceMaterial=void 0,this.static=!1,this.userData={},this.pivot=null}onBeforeShadow(){}onAfterShadow(){}onBeforeRender(){}onAfterRender(){}applyMatrix4(t){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(t),this.matrix.decompose(this.position,this.quaternion,this.scale)}applyQuaternion(t){return this.quaternion.premultiply(t),this}setRotationFromAxisAngle(t,e){this.quaternion.setFromAxisAngle(t,e)}setRotationFromEuler(t){this.quaternion.setFromEuler(t,!0)}setRotationFromMatrix(t){this.quaternion.setFromRotationMatrix(t)}setRotationFromQuaternion(t){this.quaternion.copy(t)}rotateOnAxis(t,e){return dr.setFromAxisAngle(t,e),this.quaternion.multiply(dr),this}rotateOnWorldAxis(t,e){return dr.setFromAxisAngle(t,e),this.quaternion.premultiply(dr),this}rotateX(t){return this.rotateOnAxis(xr,t)}rotateY(t){return this.rotateOnAxis(br,t)}rotateZ(t){return this.rotateOnAxis(vr,t)}translateOnAxis(t,e){return ur.copy(t).applyQuaternion(this.quaternion),this.position.add(ur.multiplyScalar(e)),this}translateX(t){return this.translateOnAxis(xr,t)}translateY(t){return this.translateOnAxis(br,t)}translateZ(t){return this.translateOnAxis(vr,t)}localToWorld(t){return this.updateWorldMatrix(!0,!1),t.applyMatrix4(this.matrixWorld)}worldToLocal(t){return this.updateWorldMatrix(!0,!1),t.applyMatrix4(pr.copy(this.matrixWorld).invert())}lookAt(t,e,i){t.isVector3?mr.copy(t):mr.set(t,e,i);const s=this.parent;this.updateWorldMatrix(!0,!1),yr.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?pr.lookAt(yr,mr,this.up):pr.lookAt(mr,yr,this.up),this.quaternion.setFromRotationMatrix(pr),s&&(pr.extractRotation(s.matrixWorld),dr.setFromRotationMatrix(pr),this.quaternion.premultiply(dr.invert()))}add(t){if(arguments.length>1){for(let t=0;t<arguments.length;t++)this.add(arguments[t]);return this}return t===this?(os("Object3D.add: object can't be added as a child of itself.",t),this):(t&&t.isObject3D?(t.removeFromParent(),t.parent=this,this.children.push(t),t.dispatchEvent(wr),Sr.child=t,this.dispatchEvent(Sr),Sr.child=null):os("Object3D.add: object not an instance of THREE.Object3D.",t),this)}remove(t){if(arguments.length>1){for(let t=0;t<arguments.length;t++)this.remove(arguments[t]);return this}const e=this.children.indexOf(t);return-1!==e&&(t.parent=null,this.children.splice(e,1),t.dispatchEvent(Mr),_r.child=t,this.dispatchEvent(_r),_r.child=null),this}removeFromParent(){const t=this.parent;return null!==t&&t.remove(this),this}clear(){return this.remove(...this.children)}attach(t){return this.updateWorldMatrix(!0,!1),pr.copy(this.matrixWorld).invert(),null!==t.parent&&(t.parent.updateWorldMatrix(!0,!1),pr.multiply(t.parent.matrixWorld)),t.applyMatrix4(pr),t.removeFromParent(),t.parent=this,this.children.push(t),t.updateWorldMatrix(!1,!0),t.dispatchEvent(wr),Sr.child=t,this.dispatchEvent(Sr),Sr.child=null,this}getObjectById(t){return this.getObjectByProperty("id",t)}getObjectByName(t){return this.getObjectByProperty("name",t)}getObjectByProperty(t,e){if(this[t]===e)return this;for(let i=0,s=this.children.length;i<s;i++){const s=this.children[i].getObjectByProperty(t,e);if(void 0!==s)return s}}getObjectsByProperty(t,e,i=[]){this[t]===e&&i.push(this);const s=this.children;for(let r=0,n=s.length;r<n;r++)s[r].getObjectsByProperty(t,e,i);return i}getWorldPosition(t){return this.updateWorldMatrix(!0,!1),t.setFromMatrixPosition(this.matrixWorld)}getWorldQuaternion(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(yr,t,gr),t}getWorldScale(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(yr,fr,t),t}getWorldDirection(t){this.updateWorldMatrix(!0,!1);const e=this.matrixWorld.elements;return t.set(e[8],e[9],e[10]).normalize()}raycast(){}traverse(t){t(this);const e=this.children;for(let i=0,s=e.length;i<s;i++)e[i].traverse(t)}traverseVisible(t){if(!1===this.visible)return;t(this);const e=this.children;for(let i=0,s=e.length;i<s;i++)e[i].traverseVisible(t)}traverseAncestors(t){const e=this.parent;null!==e&&(t(e),e.traverseAncestors(t))}updateMatrix(){this.matrix.compose(this.position,this.quaternion,this.scale);const t=this.pivot;if(null!==t){const e=t.x,i=t.y,s=t.z,r=this.matrix.elements;r[12]+=e-r[0]*e-r[4]*i-r[8]*s,r[13]+=i-r[1]*e-r[5]*i-r[9]*s,r[14]+=s-r[2]*e-r[6]*i-r[10]*s}this.matrixWorldNeedsUpdate=!0}updateMatrixWorld(t){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||t)&&(!0===this.matrixWorldAutoUpdate&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix)),this.matrixWorldNeedsUpdate=!1,t=!0);const e=this.children;for(let i=0,s=e.length;i<s;i++){e[i].updateMatrixWorld(t)}}updateWorldMatrix(t,e){const i=this.parent;if(!0===t&&null!==i&&i.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),!0===this.matrixWorldAutoUpdate&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix)),!0===e){const t=this.children;for(let e=0,i=t.length;e<i;e++){t[e].updateWorldMatrix(!1,!0)}}}toJSON(t){const e=void 0===t||"string"==typeof t,i={};e&&(t={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{},nodes:{}},i.metadata={version:4.7,type:"Object",generator:"Object3D.toJSON"});const s={};function r(e,i){return void 0===e[i.uuid]&&(e[i.uuid]=i.toJSON(t)),i.uuid}if(s.uuid=this.uuid,s.type=this.type,""!==this.name&&(s.name=this.name),!0===this.castShadow&&(s.castShadow=!0),!0===this.receiveShadow&&(s.receiveShadow=!0),!1===this.visible&&(s.visible=!1),!1===this.frustumCulled&&(s.frustumCulled=!1),0!==this.renderOrder&&(s.renderOrder=this.renderOrder),!1!==this.static&&(s.static=this.static),Object.keys(this.userData).length>0&&(s.userData=this.userData),s.layers=this.layers.mask,s.matrix=this.matrix.toArray(),s.up=this.up.toArray(),null!==this.pivot&&(s.pivot=this.pivot.toArray()),!1===this.matrixAutoUpdate&&(s.matrixAutoUpdate=!1),void 0!==this.morphTargetDictionary&&(s.morphTargetDictionary=Object.assign({},this.morphTargetDictionary)),void 0!==this.morphTargetInfluences&&(s.morphTargetInfluences=this.morphTargetInfluences.slice()),this.isInstancedMesh&&(s.type="InstancedMesh",s.count=this.count,s.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(s.instanceColor=this.instanceColor.toJSON())),this.isBatchedMesh&&(s.type="BatchedMesh",s.perObjectFrustumCulled=this.perObjectFrustumCulled,s.sortObjects=this.sortObjects,s.drawRanges=this._drawRanges,s.reservedRanges=this._reservedRanges,s.geometryInfo=this._geometryInfo.map(t=>({...t,boundingBox:t.boundingBox?t.boundingBox.toJSON():void 0,boundingSphere:t.boundingSphere?t.boundingSphere.toJSON():void 0})),s.instanceInfo=this._instanceInfo.map(t=>({...t})),s.availableInstanceIds=this._availableInstanceIds.slice(),s.availableGeometryIds=this._availableGeometryIds.slice(),s.nextIndexStart=this._nextIndexStart,s.nextVertexStart=this._nextVertexStart,s.geometryCount=this._geometryCount,s.maxInstanceCount=this._maxInstanceCount,s.maxVertexCount=this._maxVertexCount,s.maxIndexCount=this._maxIndexCount,s.geometryInitialized=this._geometryInitialized,s.matricesTexture=this._matricesTexture.toJSON(t),s.indirectTexture=this._indirectTexture.toJSON(t),null!==this._colorsTexture&&(s.colorsTexture=this._colorsTexture.toJSON(t)),null!==this.boundingSphere&&(s.boundingSphere=this.boundingSphere.toJSON()),null!==this.boundingBox&&(s.boundingBox=this.boundingBox.toJSON())),this.isScene)this.background&&(this.background.isColor?s.background=this.background.toJSON():this.background.isTexture&&(s.background=this.background.toJSON(t).uuid)),this.environment&&this.environment.isTexture&&!0!==this.environment.isRenderTargetTexture&&(s.environment=this.environment.toJSON(t).uuid);else if(this.isMesh||this.isLine||this.isPoints){s.geometry=r(t.geometries,this.geometry);const e=this.geometry.parameters;if(void 0!==e&&void 0!==e.shapes){const i=e.shapes;if(Array.isArray(i))for(let e=0,s=i.length;e<s;e++){const s=i[e];r(t.shapes,s)}else r(t.shapes,i)}}if(this.isSkinnedMesh&&(s.bindMode=this.bindMode,s.bindMatrix=this.bindMatrix.toArray(),void 0!==this.skeleton&&(r(t.skeletons,this.skeleton),s.skeleton=this.skeleton.uuid)),void 0!==this.material)if(Array.isArray(this.material)){const e=[];for(let i=0,s=this.material.length;i<s;i++)e.push(r(t.materials,this.material[i]));s.material=e}else s.material=r(t.materials,this.material);if(this.children.length>0){s.children=[];for(let e=0;e<this.children.length;e++)s.children.push(this.children[e].toJSON(t).object)}if(this.animations.length>0){s.animations=[];for(let e=0;e<this.animations.length;e++){const i=this.animations[e];s.animations.push(r(t.animations,i))}}if(e){const e=n(t.geometries),s=n(t.materials),r=n(t.textures),a=n(t.images),o=n(t.shapes),h=n(t.skeletons),l=n(t.animations),c=n(t.nodes);e.length>0&&(i.geometries=e),s.length>0&&(i.materials=s),r.length>0&&(i.textures=r),a.length>0&&(i.images=a),o.length>0&&(i.shapes=o),h.length>0&&(i.skeletons=h),l.length>0&&(i.animations=l),c.length>0&&(i.nodes=c)}return i.object=s,i;function n(t){const e=[];for(const i in t){const s=t[i];delete s.metadata,e.push(s)}return e}}clone(t){return(new this.constructor).copy(this,t)}copy(t,e=!0){if(this.name=t.name,this.up.copy(t.up),this.position.copy(t.position),this.rotation.order=t.rotation.order,this.quaternion.copy(t.quaternion),this.scale.copy(t.scale),this.pivot=null!==t.pivot?t.pivot.clone():null,this.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldAutoUpdate=t.matrixWorldAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.layers.mask=t.layers.mask,this.visible=t.visible,this.castShadow=t.castShadow,this.receiveShadow=t.receiveShadow,this.frustumCulled=t.frustumCulled,this.renderOrder=t.renderOrder,this.static=t.static,this.animations=t.animations.slice(),this.userData=JSON.parse(JSON.stringify(t.userData)),!0===e)for(let e=0;e<t.children.length;e++){const i=t.children[e];this.add(i.clone())}return this}}Ar.DEFAULT_UP=new Ts(0,1,0),Ar.DEFAULT_MATRIX_AUTO_UPDATE=!0,Ar.DEFAULT_MATRIX_WORLD_AUTO_UPDATE=!0;class Tr extends Ar{constructor(){super(),this.isGroup=!0,this.type="Group"}}const zr={type:"move"};class Cr{constructor(){this._targetRay=null,this._grip=null,this._hand=null}getHandSpace(){return null===this._hand&&(this._hand=new Tr,this._hand.matrixAutoUpdate=!1,this._hand.visible=!1,this._hand.joints={},this._hand.inputState={pinching:!1}),this._hand}getTargetRaySpace(){return null===this._targetRay&&(this._targetRay=new Tr,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1,this._targetRay.hasLinearVelocity=!1,this._targetRay.linearVelocity=new Ts,this._targetRay.hasAngularVelocity=!1,this._targetRay.angularVelocity=new Ts),this._targetRay}getGripSpace(){return null===this._grip&&(this._grip=new Tr,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1,this._grip.hasLinearVelocity=!1,this._grip.linearVelocity=new Ts,this._grip.hasAngularVelocity=!1,this._grip.angularVelocity=new Ts,this._grip.eventsEnabled=!1),this._grip}dispatchEvent(t){return null!==this._targetRay&&this._targetRay.dispatchEvent(t),null!==this._grip&&this._grip.dispatchEvent(t),null!==this._hand&&this._hand.dispatchEvent(t),this}connect(t){if(t&&t.hand){const e=this._hand;if(e)for(const i of t.hand.values())this._getHandJoint(e,i)}return this.dispatchEvent({type:"connected",data:t}),this}disconnect(t){return this.dispatchEvent({type:"disconnected",data:t}),null!==this._targetRay&&(this._targetRay.visible=!1),null!==this._grip&&(this._grip.visible=!1),null!==this._hand&&(this._hand.visible=!1),this}update(t,e,i){let s=null,r=null,n=null;const a=this._targetRay,o=this._grip,h=this._hand;if(t&&"visible-blurred"!==e.session.visibilityState){if(h&&t.hand){n=!0;for(const s of t.hand.values()){const t=e.getJointPose(s,i),r=this._getHandJoint(h,s);null!==t&&(r.matrix.fromArray(t.transform.matrix),r.matrix.decompose(r.position,r.rotation,r.scale),r.matrixWorldNeedsUpdate=!0,r.jointRadius=t.radius),r.visible=null!==t}const s=h.joints["index-finger-tip"],r=h.joints["thumb-tip"],a=s.position.distanceTo(r.position),o=.02,l=.005;h.inputState.pinching&&a>o+l?(h.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:t.handedness,target:this})):!h.inputState.pinching&&a<=o-l&&(h.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:t.handedness,target:this}))}else null!==o&&t.gripSpace&&(r=e.getPose(t.gripSpace,i),null!==r&&(o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),o.matrixWorldNeedsUpdate=!0,r.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(r.linearVelocity)):o.hasLinearVelocity=!1,r.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(r.angularVelocity)):o.hasAngularVelocity=!1,o.eventsEnabled&&o.dispatchEvent({type:"gripUpdated",data:t,target:this})));null!==a&&(s=e.getPose(t.targetRaySpace,i),null===s&&null!==r&&(s=r),null!==s&&(a.matrix.fromArray(s.transform.matrix),a.matrix.decompose(a.position,a.rotation,a.scale),a.matrixWorldNeedsUpdate=!0,s.linearVelocity?(a.hasLinearVelocity=!0,a.linearVelocity.copy(s.linearVelocity)):a.hasLinearVelocity=!1,s.angularVelocity?(a.hasAngularVelocity=!0,a.angularVelocity.copy(s.angularVelocity)):a.hasAngularVelocity=!1,this.dispatchEvent(zr)))}return null!==a&&(a.visible=null!==s),null!==o&&(o.visible=null!==r),null!==h&&(h.visible=null!==n),this}_getHandJoint(t,e){if(void 0===t.joints[e.jointName]){const i=new Tr;i.matrixAutoUpdate=!1,i.visible=!1,t.joints[e.jointName]=i,t.add(i)}return t.joints[e.jointName]}}const Ir={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},Br={h:0,s:0,l:0},kr={h:0,s:0,l:0};function Or(t,e,i){return i<0&&(i+=1),i>1&&(i-=1),i<1/6?t+6*(e-t)*i:i<.5?e:i<2/3?t+6*(e-t)*(2/3-i):t}class Pr{constructor(t,e,i){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(t,e,i)}set(t,e,i){if(void 0===e&&void 0===i){const e=t;e&&e.isColor?this.copy(e):"number"==typeof e?this.setHex(e):"string"==typeof e&&this.setStyle(e)}else this.setRGB(t,e,i);return this}setScalar(t){return this.r=t,this.g=t,this.b=t,this}setHex(t,e=ei){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,Rs.colorSpaceToWorking(this,e),this}setRGB(t,e,i,s=Rs.workingColorSpace){return this.r=t,this.g=e,this.b=i,Rs.colorSpaceToWorking(this,s),this}setHSL(t,e,i,s=Rs.workingColorSpace){if(t=bs(t,1),e=xs(e,0,1),i=xs(i,0,1),0===e)this.r=this.g=this.b=i;else{const s=i<=.5?i*(1+e):i+e-i*e,r=2*i-s;this.r=Or(r,s,t+1/3),this.g=Or(r,s,t),this.b=Or(r,s,t-1/3)}return Rs.colorSpaceToWorking(this,s),this}setStyle(t,e=ei){function i(e){void 0!==e&&parseFloat(e)<1&&as("Color: Alpha component of "+t+" will be ignored.")}let s;if(s=/^(\w+)\(([^\)]*)\)/.exec(t)){let r;const n=s[1],a=s[2];switch(n){case"rgb":case"rgba":if(r=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return i(r[4]),this.setRGB(Math.min(255,parseInt(r[1],10))/255,Math.min(255,parseInt(r[2],10))/255,Math.min(255,parseInt(r[3],10))/255,e);if(r=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return i(r[4]),this.setRGB(Math.min(100,parseInt(r[1],10))/100,Math.min(100,parseInt(r[2],10))/100,Math.min(100,parseInt(r[3],10))/100,e);break;case"hsl":case"hsla":if(r=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return i(r[4]),this.setHSL(parseFloat(r[1])/360,parseFloat(r[2])/100,parseFloat(r[3])/100,e);break;default:as("Color: Unknown color model "+t)}}else if(s=/^\#([A-Fa-f\d]+)$/.exec(t)){const i=s[1],r=i.length;if(3===r)return this.setRGB(parseInt(i.charAt(0),16)/15,parseInt(i.charAt(1),16)/15,parseInt(i.charAt(2),16)/15,e);if(6===r)return this.setHex(parseInt(i,16),e);as("Color: Invalid hex color "+t)}else if(t&&t.length>0)return this.setColorName(t,e);return this}setColorName(t,e=ei){const i=Ir[t.toLowerCase()];return void 0!==i?this.setHex(i,e):as("Color: Unknown color "+t),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(t){return this.r=t.r,this.g=t.g,this.b=t.b,this}copySRGBToLinear(t){return this.r=Es(t.r),this.g=Es(t.g),this.b=Es(t.b),this}copyLinearToSRGB(t){return this.r=Ns(t.r),this.g=Ns(t.g),this.b=Ns(t.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(t=ei){return Rs.workingToColorSpace(Rr.copy(this),t),65536*Math.round(xs(255*Rr.r,0,255))+256*Math.round(xs(255*Rr.g,0,255))+Math.round(xs(255*Rr.b,0,255))}getHexString(t=ei){return("000000"+this.getHex(t).toString(16)).slice(-6)}getHSL(t,e=Rs.workingColorSpace){Rs.workingToColorSpace(Rr.copy(this),e);const i=Rr.r,s=Rr.g,r=Rr.b,n=Math.max(i,s,r),a=Math.min(i,s,r);let o,h;const l=(a+n)/2;if(a===n)o=0,h=0;else{const t=n-a;switch(h=l<=.5?t/(n+a):t/(2-n-a),n){case i:o=(s-r)/t+(s<r?6:0);break;case s:o=(r-i)/t+2;break;case r:o=(i-s)/t+4}o/=6}return t.h=o,t.s=h,t.l=l,t}getRGB(t,e=Rs.workingColorSpace){return Rs.workingToColorSpace(Rr.copy(this),e),t.r=Rr.r,t.g=Rr.g,t.b=Rr.b,t}getStyle(t=ei){Rs.workingToColorSpace(Rr.copy(this),t);const e=Rr.r,i=Rr.g,s=Rr.b;return t!==ei?`color(${t} ${e.toFixed(3)} ${i.toFixed(3)} ${s.toFixed(3)})`:`rgb(${Math.round(255*e)},${Math.round(255*i)},${Math.round(255*s)})`}offsetHSL(t,e,i){return this.getHSL(Br),this.setHSL(Br.h+t,Br.s+e,Br.l+i)}add(t){return this.r+=t.r,this.g+=t.g,this.b+=t.b,this}addColors(t,e){return this.r=t.r+e.r,this.g=t.g+e.g,this.b=t.b+e.b,this}addScalar(t){return this.r+=t,this.g+=t,this.b+=t,this}sub(t){return this.r=Math.max(0,this.r-t.r),this.g=Math.max(0,this.g-t.g),this.b=Math.max(0,this.b-t.b),this}multiply(t){return this.r*=t.r,this.g*=t.g,this.b*=t.b,this}multiplyScalar(t){return this.r*=t,this.g*=t,this.b*=t,this}lerp(t,e){return this.r+=(t.r-this.r)*e,this.g+=(t.g-this.g)*e,this.b+=(t.b-this.b)*e,this}lerpColors(t,e,i){return this.r=t.r+(e.r-t.r)*i,this.g=t.g+(e.g-t.g)*i,this.b=t.b+(e.b-t.b)*i,this}lerpHSL(t,e){this.getHSL(Br),t.getHSL(kr);const i=vs(Br.h,kr.h,e),s=vs(Br.s,kr.s,e),r=vs(Br.l,kr.l,e);return this.setHSL(i,s,r),this}setFromVector3(t){return this.r=t.x,this.g=t.y,this.b=t.z,this}applyMatrix3(t){const e=this.r,i=this.g,s=this.b,r=t.elements;return this.r=r[0]*e+r[3]*i+r[6]*s,this.g=r[1]*e+r[4]*i+r[7]*s,this.b=r[2]*e+r[5]*i+r[8]*s,this}equals(t){return t.r===this.r&&t.g===this.g&&t.b===this.b}fromArray(t,e=0){return this.r=t[e],this.g=t[e+1],this.b=t[e+2],this}toArray(t=[],e=0){return t[e]=this.r,t[e+1]=this.g,t[e+2]=this.b,t}fromBufferAttribute(t,e){return this.r=t.getX(e),this.g=t.getY(e),this.b=t.getZ(e),this}toJSON(){return this.getHex()}*[Symbol.iterator](){yield this.r,yield this.g,yield this.b}}const Rr=new Pr;Pr.NAMES=Ir;class Er{constructor(t,e=25e-5){this.isFogExp2=!0,this.name="",this.color=new Pr(t),this.density=e}clone(){return new Er(this.color,this.density)}toJSON(){return{type:"FogExp2",name:this.name,color:this.color.getHex(),density:this.density}}}class Nr{constructor(t,e=1,i=1e3){this.isFog=!0,this.name="",this.color=new Pr(t),this.near=e,this.far=i}clone(){return new Nr(this.color,this.near,this.far)}toJSON(){return{type:"Fog",name:this.name,color:this.color.getHex(),near:this.near,far:this.far}}}class Vr extends Ar{constructor(){super(),this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.backgroundIntensity=1,this.backgroundRotation=new hr,this.environmentIntensity=1,this.environmentRotation=new hr,this.overrideMaterial=null,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(t,e){return super.copy(t,e),null!==t.background&&(this.background=t.background.clone()),null!==t.environment&&(this.environment=t.environment.clone()),null!==t.fog&&(this.fog=t.fog.clone()),this.backgroundBlurriness=t.backgroundBlurriness,this.backgroundIntensity=t.backgroundIntensity,this.backgroundRotation.copy(t.backgroundRotation),this.environmentIntensity=t.environmentIntensity,this.environmentRotation.copy(t.environmentRotation),null!==t.overrideMaterial&&(this.overrideMaterial=t.overrideMaterial.clone()),this.matrixAutoUpdate=t.matrixAutoUpdate,this}toJSON(t){const e=super.toJSON(t);return null!==this.fog&&(e.object.fog=this.fog.toJSON()),this.backgroundBlurriness>0&&(e.object.backgroundBlurriness=this.backgroundBlurriness),1!==this.backgroundIntensity&&(e.object.backgroundIntensity=this.backgroundIntensity),e.object.backgroundRotation=this.backgroundRotation.toArray(),1!==this.environmentIntensity&&(e.object.environmentIntensity=this.environmentIntensity),e.object.environmentRotation=this.environmentRotation.toArray(),e}}const Fr=new Ts,Lr=new Ts,Dr=new Ts,jr=new Ts,Ur=new Ts,Wr=new Ts,Jr=new Ts,qr=new Ts,Hr=new Ts,Xr=new Ts,Yr=new qs,Zr=new qs,Gr=new qs;class $r{constructor(t=new Ts,e=new Ts,i=new Ts){this.a=t,this.b=e,this.c=i}static getNormal(t,e,i,s){s.subVectors(i,e),Fr.subVectors(t,e),s.cross(Fr);const r=s.lengthSq();return r>0?s.multiplyScalar(1/Math.sqrt(r)):s.set(0,0,0)}static getBarycoord(t,e,i,s,r){Fr.subVectors(s,e),Lr.subVectors(i,e),Dr.subVectors(t,e);const n=Fr.dot(Fr),a=Fr.dot(Lr),o=Fr.dot(Dr),h=Lr.dot(Lr),l=Lr.dot(Dr),c=n*h-a*a;if(0===c)return r.set(0,0,0),null;const u=1/c,d=(h*o-a*l)*u,p=(n*l-a*o)*u;return r.set(1-d-p,p,d)}static containsPoint(t,e,i,s){return null!==this.getBarycoord(t,e,i,s,jr)&&(jr.x>=0&&jr.y>=0&&jr.x+jr.y<=1)}static getInterpolation(t,e,i,s,r,n,a,o){return null===this.getBarycoord(t,e,i,s,jr)?(o.x=0,o.y=0,"z"in o&&(o.z=0),"w"in o&&(o.w=0),null):(o.setScalar(0),o.addScaledVector(r,jr.x),o.addScaledVector(n,jr.y),o.addScaledVector(a,jr.z),o)}static getInterpolatedAttribute(t,e,i,s,r,n){return Yr.setScalar(0),Zr.setScalar(0),Gr.setScalar(0),Yr.fromBufferAttribute(t,e),Zr.fromBufferAttribute(t,i),Gr.fromBufferAttribute(t,s),n.setScalar(0),n.addScaledVector(Yr,r.x),n.addScaledVector(Zr,r.y),n.addScaledVector(Gr,r.z),n}static isFrontFacing(t,e,i,s){return Fr.subVectors(i,e),Lr.subVectors(t,e),Fr.cross(Lr).dot(s)<0}set(t,e,i){return this.a.copy(t),this.b.copy(e),this.c.copy(i),this}setFromPointsAndIndices(t,e,i,s){return this.a.copy(t[e]),this.b.copy(t[i]),this.c.copy(t[s]),this}setFromAttributeAndIndices(t,e,i,s){return this.a.fromBufferAttribute(t,e),this.b.fromBufferAttribute(t,i),this.c.fromBufferAttribute(t,s),this}clone(){return(new this.constructor).copy(this)}copy(t){return this.a.copy(t.a),this.b.copy(t.b),this.c.copy(t.c),this}getArea(){return Fr.subVectors(this.c,this.b),Lr.subVectors(this.a,this.b),.5*Fr.cross(Lr).length()}getMidpoint(t){return t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return $r.getNormal(this.a,this.b,this.c,t)}getPlane(t){return t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return $r.getBarycoord(t,this.a,this.b,this.c,e)}getInterpolation(t,e,i,s,r){return $r.getInterpolation(t,this.a,this.b,this.c,e,i,s,r)}containsPoint(t){return $r.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return $r.isFrontFacing(this.a,this.b,this.c,t)}intersectsBox(t){return t.intersectsTriangle(this)}closestPointToPoint(t,e){const i=this.a,s=this.b,r=this.c;let n,a;Ur.subVectors(s,i),Wr.subVectors(r,i),qr.subVectors(t,i);const o=Ur.dot(qr),h=Wr.dot(qr);if(o<=0&&h<=0)return e.copy(i);Hr.subVectors(t,s);const l=Ur.dot(Hr),c=Wr.dot(Hr);if(l>=0&&c<=l)return e.copy(s);const u=o*c-l*h;if(u<=0&&o>=0&&l<=0)return n=o/(o-l),e.copy(i).addScaledVector(Ur,n);Xr.subVectors(t,r);const d=Ur.dot(Xr),p=Wr.dot(Xr);if(p>=0&&d<=p)return e.copy(r);const m=d*h-o*p;if(m<=0&&h>=0&&p<=0)return a=h/(h-p),e.copy(i).addScaledVector(Wr,a);const y=l*p-d*c;if(y<=0&&c-l>=0&&d-p>=0)return Jr.subVectors(r,s),a=(c-l)/(c-l+(d-p)),e.copy(s).addScaledVector(Jr,a);const g=1/(y+m+u);return n=m*g,a=u*g,e.copy(i).addScaledVector(Ur,n).addScaledVector(Wr,a)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}}class Qr{constructor(t=new Ts(1/0,1/0,1/0),e=new Ts(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromArray(t){this.makeEmpty();for(let e=0,i=t.length;e<i;e+=3)this.expandByPoint(tn.fromArray(t,e));return this}setFromBufferAttribute(t){this.makeEmpty();for(let e=0,i=t.count;e<i;e++)this.expandByPoint(tn.fromBufferAttribute(t,e));return this}setFromPoints(t){this.makeEmpty();for(let e=0,i=t.length;e<i;e++)this.expandByPoint(t[e]);return this}setFromCenterAndSize(t,e){const i=tn.copy(e).multiplyScalar(.5);return this.min.copy(t).sub(i),this.max.copy(t).add(i),this}setFromObject(t,e=!1){return this.makeEmpty(),this.expandByObject(t,e)}clone(){return(new this.constructor).copy(this)}copy(t){return this.min.copy(t.min),this.max.copy(t.max),this}makeEmpty(){return this.min.x=this.min.y=this.min.z=1/0,this.max.x=this.max.y=this.max.z=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}getCenter(t){return this.isEmpty()?t.set(0,0,0):t.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(t){return this.isEmpty()?t.set(0,0,0):t.subVectors(this.max,this.min)}expandByPoint(t){return this.min.min(t),this.max.max(t),this}expandByVector(t){return this.min.sub(t),this.max.add(t),this}expandByScalar(t){return this.min.addScalar(-t),this.max.addScalar(t),this}expandByObject(t,e=!1){t.updateWorldMatrix(!1,!1);const i=t.geometry;if(void 0!==i){const s=i.getAttribute("position");if(!0===e&&void 0!==s&&!0!==t.isInstancedMesh)for(let e=0,i=s.count;e<i;e++)!0===t.isMesh?t.getVertexPosition(e,tn):tn.fromBufferAttribute(s,e),tn.applyMatrix4(t.matrixWorld),this.expandByPoint(tn);else void 0!==t.boundingBox?(null===t.boundingBox&&t.computeBoundingBox(),en.copy(t.boundingBox)):(null===i.boundingBox&&i.computeBoundingBox(),en.copy(i.boundingBox)),en.applyMatrix4(t.matrixWorld),this.union(en)}const s=t.children;for(let t=0,i=s.length;t<i;t++)this.expandByObject(s[t],e);return this}containsPoint(t){return t.x>=this.min.x&&t.x<=this.max.x&&t.y>=this.min.y&&t.y<=this.max.y&&t.z>=this.min.z&&t.z<=this.max.z}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(t){return t.max.x>=this.min.x&&t.min.x<=this.max.x&&t.max.y>=this.min.y&&t.min.y<=this.max.y&&t.max.z>=this.min.z&&t.min.z<=this.max.z}intersectsSphere(t){return this.clampPoint(t.center,tn),tn.distanceToSquared(t.center)<=t.radius*t.radius}intersectsPlane(t){let e,i;return t.normal.x>0?(e=t.normal.x*this.min.x,i=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,i=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,i+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,i+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,i+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,i+=t.normal.z*this.min.z),e<=-t.constant&&i>=-t.constant}intersectsTriangle(t){if(this.isEmpty())return!1;this.getCenter(ln),cn.subVectors(this.max,ln),sn.subVectors(t.a,ln),rn.subVectors(t.b,ln),nn.subVectors(t.c,ln),an.subVectors(rn,sn),on.subVectors(nn,rn),hn.subVectors(sn,nn);let e=[0,-an.z,an.y,0,-on.z,on.y,0,-hn.z,hn.y,an.z,0,-an.x,on.z,0,-on.x,hn.z,0,-hn.x,-an.y,an.x,0,-on.y,on.x,0,-hn.y,hn.x,0];return!!pn(e,sn,rn,nn,cn)&&(e=[1,0,0,0,1,0,0,0,1],!!pn(e,sn,rn,nn,cn)&&(un.crossVectors(an,on),e=[un.x,un.y,un.z],pn(e,sn,rn,nn,cn)))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,tn).distanceTo(t)}getBoundingSphere(t){return this.isEmpty()?t.makeEmpty():(this.getCenter(t.center),t.radius=.5*this.getSize(tn).length()),t}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}applyMatrix4(t){return this.isEmpty()||(Kr[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),Kr[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),Kr[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),Kr[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),Kr[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),Kr[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),Kr[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),Kr[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(Kr)),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}toJSON(){return{min:this.min.toArray(),max:this.max.toArray()}}fromJSON(t){return this.min.fromArray(t.min),this.max.fromArray(t.max),this}}const Kr=[new Ts,new Ts,new Ts,new Ts,new Ts,new Ts,new Ts,new Ts],tn=new Ts,en=new Qr,sn=new Ts,rn=new Ts,nn=new Ts,an=new Ts,on=new Ts,hn=new Ts,ln=new Ts,cn=new Ts,un=new Ts,dn=new Ts;function pn(t,e,i,s,r){for(let n=0,a=t.length-3;n<=a;n+=3){dn.fromArray(t,n);const a=r.x*Math.abs(dn.x)+r.y*Math.abs(dn.y)+r.z*Math.abs(dn.z),o=e.dot(dn),h=i.dot(dn),l=s.dot(dn);if(Math.max(-Math.max(o,h,l),Math.min(o,h,l))>a)return!1}return!0}const mn=yn();function yn(){const t=new ArrayBuffer(4),e=new Float32Array(t),i=new Uint32Array(t),s=new Uint32Array(512),r=new Uint32Array(512);for(let t=0;t<256;++t){const e=t-127;e<-27?(s[t]=0,s[256|t]=32768,r[t]=24,r[256|t]=24):e<-14?(s[t]=1024>>-e-14,s[256|t]=1024>>-e-14|32768,r[t]=-e-1,r[256|t]=-e-1):e<=15?(s[t]=e+15<<10,s[256|t]=e+15<<10|32768,r[t]=13,r[256|t]=13):e<128?(s[t]=31744,s[256|t]=64512,r[t]=24,r[256|t]=24):(s[t]=31744,s[256|t]=64512,r[t]=13,r[256|t]=13)}const n=new Uint32Array(2048),a=new Uint32Array(64),o=new Uint32Array(64);for(let t=1;t<1024;++t){let e=t<<13,i=0;for(;!(8388608&e);)e<<=1,i-=8388608;e&=-8388609,i+=947912704,n[t]=e|i}for(let t=1024;t<2048;++t)n[t]=939524096+(t-1024<<13);for(let t=1;t<31;++t)a[t]=t<<23;a[31]=1199570944,a[32]=2147483648;for(let t=33;t<63;++t)a[t]=2147483648+(t-32<<23);a[63]=3347054592;for(let t=1;t<64;++t)32!==t&&(o[t]=1024);return{floatView:e,uint32View:i,baseTable:s,shiftTable:r,mantissaTable:n,exponentTable:a,offsetTable:o}}function gn(t){Math.abs(t)>65504&&as("DataUtils.toHalfFloat(): Value out of range."),t=xs(t,-65504,65504),mn.floatView[0]=t;const e=mn.uint32View[0],i=e>>23&511;return mn.baseTable[i]+((8388607&e)>>mn.shiftTable[i])}function fn(t){const e=t>>10;return mn.uint32View[0]=mn.mantissaTable[mn.offsetTable[e]+(1023&t)]+mn.exponentTable[e],mn.floatView[0]}class xn{static toHalfFloat(t){return gn(t)}static fromHalfFloat(t){return fn(t)}}const bn=new Ts,vn=new _s;let wn=0;class Mn extends ds{constructor(t,e,i=!1){if(super(),Array.isArray(t))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,Object.defineProperty(this,"id",{value:wn++}),this.name="",this.array=t,this.itemSize=e,this.count=void 0!==t?t.length/e:0,this.normalized=i,this.usage=Oi,this.updateRanges=[],this.gpuType=Pt,this.version=0}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.name=t.name,this.array=new t.array.constructor(t.array),this.itemSize=t.itemSize,this.count=t.count,this.normalized=t.normalized,this.usage=t.usage,this.gpuType=t.gpuType,this}copyAt(t,e,i){t*=this.itemSize,i*=e.itemSize;for(let s=0,r=this.itemSize;s<r;s++)this.array[t+s]=e.array[i+s];return this}copyArray(t){return this.array.set(t),this}applyMatrix3(t){if(2===this.itemSize)for(let e=0,i=this.count;e<i;e++)vn.fromBufferAttribute(this,e),vn.applyMatrix3(t),this.setXY(e,vn.x,vn.y);else if(3===this.itemSize)for(let e=0,i=this.count;e<i;e++)bn.fromBufferAttribute(this,e),bn.applyMatrix3(t),this.setXYZ(e,bn.x,bn.y,bn.z);return this}applyMatrix4(t){for(let e=0,i=this.count;e<i;e++)bn.fromBufferAttribute(this,e),bn.applyMatrix4(t),this.setXYZ(e,bn.x,bn.y,bn.z);return this}applyNormalMatrix(t){for(let e=0,i=this.count;e<i;e++)bn.fromBufferAttribute(this,e),bn.applyNormalMatrix(t),this.setXYZ(e,bn.x,bn.y,bn.z);return this}transformDirection(t){for(let e=0,i=this.count;e<i;e++)bn.fromBufferAttribute(this,e),bn.transformDirection(t),this.setXYZ(e,bn.x,bn.y,bn.z);return this}set(t,e=0){return this.array.set(t,e),this}getComponent(t,e){let i=this.array[t*this.itemSize+e];return this.normalized&&(i=ws(i,this.array)),i}setComponent(t,e,i){return this.normalized&&(i=Ms(i,this.array)),this.array[t*this.itemSize+e]=i,this}getX(t){let e=this.array[t*this.itemSize];return this.normalized&&(e=ws(e,this.array)),e}setX(t,e){return this.normalized&&(e=Ms(e,this.array)),this.array[t*this.itemSize]=e,this}getY(t){let e=this.array[t*this.itemSize+1];return this.normalized&&(e=ws(e,this.array)),e}setY(t,e){return this.normalized&&(e=Ms(e,this.array)),this.array[t*this.itemSize+1]=e,this}getZ(t){let e=this.array[t*this.itemSize+2];return this.normalized&&(e=ws(e,this.array)),e}setZ(t,e){return this.normalized&&(e=Ms(e,this.array)),this.array[t*this.itemSize+2]=e,this}getW(t){let e=this.array[t*this.itemSize+3];return this.normalized&&(e=ws(e,this.array)),e}setW(t,e){return this.normalized&&(e=Ms(e,this.array)),this.array[t*this.itemSize+3]=e,this}setXY(t,e,i){return t*=this.itemSize,this.normalized&&(e=Ms(e,this.array),i=Ms(i,this.array)),this.array[t+0]=e,this.array[t+1]=i,this}setXYZ(t,e,i,s){return t*=this.itemSize,this.normalized&&(e=Ms(e,this.array),i=Ms(i,this.array),s=Ms(s,this.array)),this.array[t+0]=e,this.array[t+1]=i,this.array[t+2]=s,this}setXYZW(t,e,i,s,r){return t*=this.itemSize,this.normalized&&(e=Ms(e,this.array),i=Ms(i,this.array),s=Ms(s,this.array),r=Ms(r,this.array)),this.array[t+0]=e,this.array[t+1]=i,this.array[t+2]=s,this.array[t+3]=r,this}onUpload(t){return this.onUploadCallback=t,this}clone(){return new this.constructor(this.array,this.itemSize).copy(this)}toJSON(){const t={itemSize:this.itemSize,type:this.array.constructor.name,array:Array.from(this.array),normalized:this.normalized};return""!==this.name&&(t.name=this.name),this.usage!==Oi&&(t.usage=this.usage),t}dispose(){this.dispatchEvent({type:"dispose"})}}class Sn extends Mn{constructor(t,e,i){super(new Int8Array(t),e,i)}}class _n extends Mn{constructor(t,e,i){super(new Uint8Array(t),e,i)}}class An extends Mn{constructor(t,e,i){super(new Uint8ClampedArray(t),e,i)}}class Tn extends Mn{constructor(t,e,i){super(new Int16Array(t),e,i)}}class zn extends Mn{constructor(t,e,i){super(new Uint16Array(t),e,i)}}class Cn extends Mn{constructor(t,e,i){super(new Int32Array(t),e,i)}}class In extends Mn{constructor(t,e,i){super(new Uint32Array(t),e,i)}}class Bn extends Mn{constructor(t,e,i){super(new Uint16Array(t),e,i),this.isFloat16BufferAttribute=!0}getX(t){let e=fn(this.array[t*this.itemSize]);return this.normalized&&(e=ws(e,this.array)),e}setX(t,e){return this.normalized&&(e=Ms(e,this.array)),this.array[t*this.itemSize]=gn(e),this}getY(t){let e=fn(this.array[t*this.itemSize+1]);return this.normalized&&(e=ws(e,this.array)),e}setY(t,e){return this.normalized&&(e=Ms(e,this.array)),this.array[t*this.itemSize+1]=gn(e),this}getZ(t){let e=fn(this.array[t*this.itemSize+2]);return this.normalized&&(e=ws(e,this.array)),e}setZ(t,e){return this.normalized&&(e=Ms(e,this.array)),this.array[t*this.itemSize+2]=gn(e),this}getW(t){let e=fn(this.array[t*this.itemSize+3]);return this.normalized&&(e=ws(e,this.array)),e}setW(t,e){return this.normalized&&(e=Ms(e,this.array)),this.array[t*this.itemSize+3]=gn(e),this}setXY(t,e,i){return t*=this.itemSize,this.normalized&&(e=Ms(e,this.array),i=Ms(i,this.array)),this.array[t+0]=gn(e),this.array[t+1]=gn(i),this}setXYZ(t,e,i,s){return t*=this.itemSize,this.normalized&&(e=Ms(e,this.array),i=Ms(i,this.array),s=Ms(s,this.array)),this.array[t+0]=gn(e),this.array[t+1]=gn(i),this.array[t+2]=gn(s),this}setXYZW(t,e,i,s,r){return t*=this.itemSize,this.normalized&&(e=Ms(e,this.array),i=Ms(i,this.array),s=Ms(s,this.array),r=Ms(r,this.array)),this.array[t+0]=gn(e),this.array[t+1]=gn(i),this.array[t+2]=gn(s),this.array[t+3]=gn(r),this}}class kn extends Mn{constructor(t,e,i){super(new Float32Array(t),e,i)}}const On=new Qr,Pn=new Ts,Rn=new Ts;class En{constructor(t=new Ts,e=-1){this.isSphere=!0,this.center=t,this.radius=e}set(t,e){return this.center.copy(t),this.radius=e,this}setFromPoints(t,e){const i=this.center;void 0!==e?i.copy(e):On.setFromPoints(t).getCenter(i);let s=0;for(let e=0,r=t.length;e<r;e++)s=Math.max(s,i.distanceToSquared(t[e]));return this.radius=Math.sqrt(s),this}copy(t){return this.center.copy(t.center),this.radius=t.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(t){return t.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(t){return t.distanceTo(this.center)-this.radius}intersectsSphere(t){const e=this.radius+t.radius;return t.center.distanceToSquared(this.center)<=e*e}intersectsBox(t){return t.intersectsSphere(this)}intersectsPlane(t){return Math.abs(t.distanceToPoint(this.center))<=this.radius}clampPoint(t,e){const i=this.center.distanceToSquared(t);return e.copy(t),i>this.radius*this.radius&&(e.sub(this.center).normalize(),e.multiplyScalar(this.radius).add(this.center)),e}getBoundingBox(t){return this.isEmpty()?(t.makeEmpty(),t):(t.set(this.center,this.center),t.expandByScalar(this.radius),t)}applyMatrix4(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this}translate(t){return this.center.add(t),this}expandByPoint(t){if(this.isEmpty())return this.center.copy(t),this.radius=0,this;Pn.subVectors(t,this.center);const e=Pn.lengthSq();if(e>this.radius*this.radius){const t=Math.sqrt(e),i=.5*(t-this.radius);this.center.addScaledVector(Pn,i/t),this.radius+=i}return this}union(t){return t.isEmpty()?this:this.isEmpty()?(this.copy(t),this):(!0===this.center.equals(t.center)?this.radius=Math.max(this.radius,t.radius):(Rn.subVectors(t.center,this.center).setLength(t.radius),this.expandByPoint(Pn.copy(t.center).add(Rn)),this.expandByPoint(Pn.copy(t.center).sub(Rn))),this)}equals(t){return t.center.equals(this.center)&&t.radius===this.radius}clone(){return(new this.constructor).copy(this)}toJSON(){return{radius:this.radius,center:this.center.toArray()}}fromJSON(t){return this.radius=t.radius,this.center.fromArray(t.center),this}}let Nn=0;const Vn=new Qs,Fn=new Ar,Ln=new Ts,Dn=new Qr,jn=new Qr,Un=new Ts;class Wn extends ds{constructor(){super(),this.isBufferGeometry=!0,Object.defineProperty(this,"id",{value:Nn++}),this.uuid=fs(),this.name="",this.type="BufferGeometry",this.index=null,this.indirect=null,this.indirectOffset=0,this.attributes={},this.morphAttributes={},this.morphTargetsRelative=!1,this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={},this._transformed=!1}getIndex(){return this.index}setIndex(t){return Array.isArray(t)?this.index=new(function(t){for(let e=t.length-1;e>=0;--e)if(t[e]>=65535)return!0;return!1}(t)?In:zn)(t,1):this.index=t,this}setIndirect(t,e=0){return this.indirect=t,this.indirectOffset=e,this}getIndirect(){return this.indirect}getAttribute(t){return this.attributes[t]}setAttribute(t,e){return this.attributes[t]=e,this}deleteAttribute(t){return delete this.attributes[t],this}hasAttribute(t){return void 0!==this.attributes[t]}addGroup(t,e,i=0){this.groups.push({start:t,count:e,materialIndex:i})}clearGroups(){this.groups=[]}setDrawRange(t,e){this.drawRange.start=t,this.drawRange.count=e}applyMatrix4(t){const e=this.attributes.position;void 0!==e&&(e.applyMatrix4(t),e.needsUpdate=!0);const i=this.attributes.normal;if(void 0!==i){const e=(new Is).getNormalMatrix(t);i.applyNormalMatrix(e),i.needsUpdate=!0}const s=this.attributes.tangent;return void 0!==s&&(s.transformDirection(t),s.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this._transformed=!0,this}applyQuaternion(t){return Vn.makeRotationFromQuaternion(t),this.applyMatrix4(Vn),this}rotateX(t){return Vn.makeRotationX(t),this.applyMatrix4(Vn),this}rotateY(t){return Vn.makeRotationY(t),this.applyMatrix4(Vn),this}rotateZ(t){return Vn.makeRotationZ(t),this.applyMatrix4(Vn),this}translate(t,e,i){return Vn.makeTranslation(t,e,i),this.applyMatrix4(Vn),this}scale(t,e,i){return Vn.makeScale(t,e,i),this.applyMatrix4(Vn),this}lookAt(t){return Fn.lookAt(t),Fn.updateMatrix(),this.applyMatrix4(Fn.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(Ln).negate(),this.translate(Ln.x,Ln.y,Ln.z),this}setFromPoints(t){const e=this.getAttribute("position");if(void 0===e){const e=[];for(let i=0,s=t.length;i<s;i++){const s=t[i];e.push(s.x,s.y,s.z||0)}this.setAttribute("position",new kn(e,3))}else{const i=Math.min(t.length,e.count);for(let s=0;s<i;s++){const i=t[s];e.setXYZ(s,i.x,i.y,i.z||0)}t.length>e.count&&as("BufferGeometry: Buffer size too small for points data. Use .dispose() and create a new geometry."),e.needsUpdate=!0}return this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new Qr);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return os("BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box.",this),void this.boundingBox.set(new Ts(-1/0,-1/0,-1/0),new Ts(1/0,1/0,1/0));if(void 0!==t){if(this.boundingBox.setFromBufferAttribute(t),e)for(let t=0,i=e.length;t<i;t++){const i=e[t];Dn.setFromBufferAttribute(i),this.morphTargetsRelative?(Un.addVectors(this.boundingBox.min,Dn.min),this.boundingBox.expandByPoint(Un),Un.addVectors(this.boundingBox.max,Dn.max),this.boundingBox.expandByPoint(Un)):(this.boundingBox.expandByPoint(Dn.min),this.boundingBox.expandByPoint(Dn.max))}}else this.boundingBox.makeEmpty();(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z))&&os('BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this)}computeBoundingSphere(){null===this.boundingSphere&&(this.boundingSphere=new En);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return os("BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere.",this),void this.boundingSphere.set(new Ts,1/0);if(t){const i=this.boundingSphere.center;if(Dn.setFromBufferAttribute(t),e)for(let t=0,i=e.length;t<i;t++){const i=e[t];jn.setFromBufferAttribute(i),this.morphTargetsRelative?(Un.addVectors(Dn.min,jn.min),Dn.expandByPoint(Un),Un.addVectors(Dn.max,jn.max),Dn.expandByPoint(Un)):(Dn.expandByPoint(jn.min),Dn.expandByPoint(jn.max))}Dn.getCenter(i);let s=0;for(let e=0,r=t.count;e<r;e++)Un.fromBufferAttribute(t,e),s=Math.max(s,i.distanceToSquared(Un));if(e)for(let r=0,n=e.length;r<n;r++){const n=e[r],a=this.morphTargetsRelative;for(let e=0,r=n.count;e<r;e++)Un.fromBufferAttribute(n,e),a&&(Ln.fromBufferAttribute(t,e),Un.add(Ln)),s=Math.max(s,i.distanceToSquared(Un))}this.boundingSphere.radius=Math.sqrt(s),isNaN(this.boundingSphere.radius)&&os('BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}}computeTangents(){const t=this.index,e=this.attributes;if(null===t||void 0===e.position||void 0===e.normal||void 0===e.uv)return void os("BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");const i=e.position,s=e.normal,r=e.uv;let n=this.getAttribute("tangent");void 0!==n&&n.count===i.count||(n=new Mn(new Float32Array(4*i.count),4),this.setAttribute("tangent",n));const a=[],o=[];for(let t=0;t<i.count;t++)a[t]=new Ts,o[t]=new Ts;const h=new Ts,l=new Ts,c=new Ts,u=new _s,d=new _s,p=new _s,m=new Ts,y=new Ts;function g(t,e,s){h.fromBufferAttribute(i,t),l.fromBufferAttribute(i,e),c.fromBufferAttribute(i,s),u.fromBufferAttribute(r,t),d.fromBufferAttribute(r,e),p.fromBufferAttribute(r,s),l.sub(h),c.sub(h),d.sub(u),p.sub(u);const n=1/(d.x*p.y-p.x*d.y);isFinite(n)&&(m.copy(l).multiplyScalar(p.y).addScaledVector(c,-d.y).multiplyScalar(n),y.copy(c).multiplyScalar(d.x).addScaledVector(l,-p.x).multiplyScalar(n),a[t].add(m),a[e].add(m),a[s].add(m),o[t].add(y),o[e].add(y),o[s].add(y))}let f=this.groups;0===f.length&&(f=[{start:0,count:t.count}]);for(let e=0,i=f.length;e<i;++e){const i=f[e],s=i.start;for(let e=s,r=s+i.count;e<r;e+=3)g(t.getX(e+0),t.getX(e+1),t.getX(e+2))}const x=new Ts,b=new Ts,v=new Ts,w=new Ts;function M(t){v.fromBufferAttribute(s,t),w.copy(v);const e=a[t];x.copy(e),x.sub(v.multiplyScalar(v.dot(e))).normalize(),b.crossVectors(w,e);const i=b.dot(o[t])<0?-1:1;n.setXYZW(t,x.x,x.y,x.z,i)}for(let e=0,i=f.length;e<i;++e){const i=f[e],s=i.start;for(let e=s,r=s+i.count;e<r;e+=3)M(t.getX(e+0)),M(t.getX(e+1)),M(t.getX(e+2))}this._transformed=!0}computeVertexNormals(){const t=this.index,e=this.getAttribute("position");if(void 0!==e){let i=this.getAttribute("normal");if(void 0===i||i.count!==e.count)i=new Mn(new Float32Array(3*e.count),3),this.setAttribute("normal",i);else for(let t=0,e=i.count;t<e;t++)i.setXYZ(t,0,0,0);const s=new Ts,r=new Ts,n=new Ts,a=new Ts,o=new Ts,h=new Ts,l=new Ts,c=new Ts;if(t)for(let u=0,d=t.count;u<d;u+=3){const d=t.getX(u+0),p=t.getX(u+1),m=t.getX(u+2);s.fromBufferAttribute(e,d),r.fromBufferAttribute(e,p),n.fromBufferAttribute(e,m),l.subVectors(n,r),c.subVectors(s,r),l.cross(c),a.fromBufferAttribute(i,d),o.fromBufferAttribute(i,p),h.fromBufferAttribute(i,m),a.add(l),o.add(l),h.add(l),i.setXYZ(d,a.x,a.y,a.z),i.setXYZ(p,o.x,o.y,o.z),i.setXYZ(m,h.x,h.y,h.z)}else for(let t=0,a=e.count;t<a;t+=3)s.fromBufferAttribute(e,t+0),r.fromBufferAttribute(e,t+1),n.fromBufferAttribute(e,t+2),l.subVectors(n,r),c.subVectors(s,r),l.cross(c),i.setXYZ(t+0,l.x,l.y,l.z),i.setXYZ(t+1,l.x,l.y,l.z),i.setXYZ(t+2,l.x,l.y,l.z);this.normalizeNormals(),i.needsUpdate=!0}}normalizeNormals(){const t=this.attributes.normal;for(let e=0,i=t.count;e<i;e++)Un.fromBufferAttribute(t,e),Un.normalize(),t.setXYZ(e,Un.x,Un.y,Un.z)}toNonIndexed(){function t(t,e){const i=t.array,s=t.itemSize,r=t.normalized,n=new i.constructor(e.length*s);let a=0,o=0;for(let r=0,h=e.length;r<h;r++){a=t.isInterleavedBufferAttribute?e[r]*t.data.stride+t.offset:e[r]*s;for(let t=0;t<s;t++)n[o++]=i[a++]}return new Mn(n,s,r)}if(null===this.index)return as("BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;const e=new Wn,i=this.index.array,s=this.attributes;for(const r in s){const n=t(s[r],i);e.setAttribute(r,n)}const r=this.morphAttributes;for(const s in r){const n=[],a=r[s];for(let e=0,s=a.length;e<s;e++){const s=t(a[e],i);n.push(s)}e.morphAttributes[s]=n}e.morphTargetsRelative=this.morphTargetsRelative;const n=this.groups;for(let t=0,i=n.length;t<i;t++){const i=n[t];e.addGroup(i.start,i.count,i.materialIndex)}return e}toJSON(){const t={metadata:{version:4.7,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(t.uuid=this.uuid,t.type=void 0!==this.parameters&&!0===this._transformed?"BufferGeometry":this.type,""!==this.name&&(t.name=this.name),Object.keys(this.userData).length>0&&(t.userData=this.userData),void 0!==this.parameters&&!0!==this._transformed){const e=this.parameters;for(const i in e)void 0!==e[i]&&(t[i]=e[i]);return t}t.data={attributes:{}};const e=this.index;null!==e&&(t.data.index={type:e.array.constructor.name,array:Array.prototype.slice.call(e.array)});const i=this.attributes;for(const e in i){const s=i[e];t.data.attributes[e]=s.toJSON(t.data)}const s={};let r=!1;for(const e in this.morphAttributes){const i=this.morphAttributes[e],n=[];for(let e=0,s=i.length;e<s;e++){const s=i[e];n.push(s.toJSON(t.data))}n.length>0&&(s[e]=n,r=!0)}r&&(t.data.morphAttributes=s,t.data.morphTargetsRelative=this.morphTargetsRelative);const n=this.groups;n.length>0&&(t.data.groups=JSON.parse(JSON.stringify(n)));const a=this.boundingSphere;return null!==a&&(t.data.boundingSphere=a.toJSON()),t}clone(){return(new this.constructor).copy(this)}copy(t){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const e={};this.name=t.name;const i=t.index;null!==i&&this.setIndex(i.clone());const s=t.attributes;for(const t in s){const i=s[t];this.setAttribute(t,i.clone(e))}const r=t.morphAttributes;for(const t in r){const i=[],s=r[t];for(let t=0,r=s.length;t<r;t++)i.push(s[t].clone(e));this.morphAttributes[t]=i}this.morphTargetsRelative=t.morphTargetsRelative;const n=t.groups;for(let t=0,e=n.length;t<e;t++){const e=n[t];this.addGroup(e.start,e.count,e.materialIndex)}const a=t.boundingBox;null!==a&&(this.boundingBox=a.clone());const o=t.boundingSphere;return null!==o&&(this.boundingSphere=o.clone()),this.drawRange.start=t.drawRange.start,this.drawRange.count=t.drawRange.count,this.userData=t.userData,this._transformed=t._transformed,this}dispose(){this.dispatchEvent({type:"dispose"})}}class Jn{constructor(t,e){this.isInterleavedBuffer=!0,this.array=t,this.stride=e,this.count=void 0!==t?t.length/e:0,this.usage=Oi,this.updateRanges=[],this.version=0,this.uuid=fs()}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.array=new t.array.constructor(t.array),this.count=t.count,this.stride=t.stride,this.usage=t.usage,this}copyAt(t,e,i){t*=this.stride,i*=e.stride;for(let s=0,r=this.stride;s<r;s++)this.array[t+s]=e.array[i+s];return this}set(t,e=0){return this.array.set(t,e),this}clone(t){void 0===t.arrayBuffers&&(t.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=fs()),void 0===t.arrayBuffers[this.array.buffer._uuid]&&(t.arrayBuffers[this.array.buffer._uuid]=this.array.slice(0).buffer);const e=new this.array.constructor(t.arrayBuffers[this.array.buffer._uuid]),i=new this.constructor(e,this.stride);return i.setUsage(this.usage),i}onUpload(t){return this.onUploadCallback=t,this}toJSON(t){return void 0===t.arrayBuffers&&(t.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=fs()),void 0===t.arrayBuffers[this.array.buffer._uuid]&&(t.arrayBuffers[this.array.buffer._uuid]=Array.from(new Uint32Array(this.array.buffer))),{uuid:this.uuid,buffer:this.array.buffer._uuid,type:this.array.constructor.name,stride:this.stride}}}const qn=new Ts;class Hn{constructor(t,e,i,s=!1){this.isInterleavedBufferAttribute=!0,this.name="",this.data=t,this.itemSize=e,this.offset=i,this.normalized=s}get count(){return this.data.count}get array(){return this.data.array}set needsUpdate(t){this.data.needsUpdate=t}applyMatrix4(t){for(let e=0,i=this.data.count;e<i;e++)qn.fromBufferAttribute(this,e),qn.applyMatrix4(t),this.setXYZ(e,qn.x,qn.y,qn.z);return this}applyNormalMatrix(t){for(let e=0,i=this.count;e<i;e++)qn.fromBufferAttribute(this,e),qn.applyNormalMatrix(t),this.setXYZ(e,qn.x,qn.y,qn.z);return this}transformDirection(t){for(let e=0,i=this.count;e<i;e++)qn.fromBufferAttribute(this,e),qn.transformDirection(t),this.setXYZ(e,qn.x,qn.y,qn.z);return this}getComponent(t,e){let i=this.array[t*this.data.stride+this.offset+e];return this.normalized&&(i=ws(i,this.array)),i}setComponent(t,e,i){return this.normalized&&(i=Ms(i,this.array)),this.data.array[t*this.data.stride+this.offset+e]=i,this}setX(t,e){return this.normalized&&(e=Ms(e,this.array)),this.data.array[t*this.data.stride+this.offset]=e,this}setY(t,e){return this.normalized&&(e=Ms(e,this.array)),this.data.array[t*this.data.stride+this.offset+1]=e,this}setZ(t,e){return this.normalized&&(e=Ms(e,this.array)),this.data.array[t*this.data.stride+this.offset+2]=e,this}setW(t,e){return this.normalized&&(e=Ms(e,this.array)),this.data.array[t*this.data.stride+this.offset+3]=e,this}getX(t){let e=this.data.array[t*this.data.stride+this.offset];return this.normalized&&(e=ws(e,this.array)),e}getY(t){let e=this.data.array[t*this.data.stride+this.offset+1];return this.normalized&&(e=ws(e,this.array)),e}getZ(t){let e=this.data.array[t*this.data.stride+this.offset+2];return this.normalized&&(e=ws(e,this.array)),e}getW(t){let e=this.data.array[t*this.data.stride+this.offset+3];return this.normalized&&(e=ws(e,this.array)),e}setXY(t,e,i){return t=t*this.data.stride+this.offset,this.normalized&&(e=Ms(e,this.array),i=Ms(i,this.array)),this.data.array[t+0]=e,this.data.array[t+1]=i,this}setXYZ(t,e,i,s){return t=t*this.data.stride+this.offset,this.normalized&&(e=Ms(e,this.array),i=Ms(i,this.array),s=Ms(s,this.array)),this.data.array[t+0]=e,this.data.array[t+1]=i,this.data.array[t+2]=s,this}setXYZW(t,e,i,s,r){return t=t*this.data.stride+this.offset,this.normalized&&(e=Ms(e,this.array),i=Ms(i,this.array),s=Ms(s,this.array),r=Ms(r,this.array)),this.data.array[t+0]=e,this.data.array[t+1]=i,this.data.array[t+2]=s,this.data.array[t+3]=r,this}clone(t){if(void 0===t){rs("InterleavedBufferAttribute.clone(): Cloning an interleaved buffer attribute will de-interleave buffer data.");const t=[];for(let e=0;e<this.count;e++){const i=e*this.data.stride+this.offset;for(let e=0;e<this.itemSize;e++)t.push(this.data.array[i+e])}return new Mn(new this.array.constructor(t),this.itemSize,this.normalized)}return void 0===t.interleavedBuffers&&(t.interleavedBuffers={}),void 0===t.interleavedBuffers[this.data.uuid]&&(t.interleavedBuffers[this.data.uuid]=this.data.clone(t)),new Hn(t.interleavedBuffers[this.data.uuid],this.itemSize,this.offset,this.normalized)}toJSON(t){if(void 0===t){rs("InterleavedBufferAttribute.toJSON(): Serializing an interleaved buffer attribute will de-interleave buffer data.");const t=[];for(let e=0;e<this.count;e++){const i=e*this.data.stride+this.offset;for(let e=0;e<this.itemSize;e++)t.push(this.data.array[i+e])}return{itemSize:this.itemSize,type:this.array.constructor.name,array:t,normalized:this.normalized}}return void 0===t.interleavedBuffers&&(t.interleavedBuffers={}),void 0===t.interleavedBuffers[this.data.uuid]&&(t.interleavedBuffers[this.data.uuid]=this.data.toJSON(t)),{isInterleavedBufferAttribute:!0,itemSize:this.itemSize,data:this.data.uuid,offset:this.offset,normalized:this.normalized}}}let Xn,Yn=0;class Zn extends ds{constructor(){super(),this.isMaterial=!0,Object.defineProperty(this,"id",{value:Yn++}),this.uuid=fs(),this.name="",this.type="Material",this.blending=1,this.side=0,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.alphaHash=!1,this.blendSrc=204,this.blendDst=205,this.blendEquation=100,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.blendColor=new Pr(0,0,0),this.blendAlpha=0,this.depthFunc=3,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=519,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=li,this.stencilZFail=li,this.stencilZPass=li,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaToCoverage=!1,this.premultipliedAlpha=!1,this.forceSinglePass=!1,this.allowOverride=!0,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0,this._alphaTest=0}get alphaTest(){return this._alphaTest}set alphaTest(t){this._alphaTest>0!=t>0&&this.version++,this._alphaTest=t}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(t){if(void 0!==t)for(const e in t){const i=t[e];if(void 0===i){as(`Material: parameter '${e}' has value of undefined.`);continue}const s=this[e];void 0!==s?s&&s.isColor?s.set(i):s&&s.isVector2&&i&&i.isVector2||s&&s.isEuler&&i&&i.isEuler||s&&s.isVector3&&i&&i.isVector3?s.copy(i):this[e]=i:as(`Material: '${e}' is not a property of THREE.${this.type}.`)}}toJSON(t){const e=void 0===t||"string"==typeof t;e&&(t={textures:{},images:{}});const i={metadata:{version:4.7,type:"Material",generator:"Material.toJSON"}};function s(t){const e=[];for(const i in t){const s=t[i];delete s.metadata,e.push(s)}return e}if(i.uuid=this.uuid,i.type=this.type,""!==this.name&&(i.name=this.name),this.color&&this.color.isColor&&(i.color=this.color.getHex()),void 0!==this.roughness&&(i.roughness=this.roughness),void 0!==this.metalness&&(i.metalness=this.metalness),void 0!==this.sheen&&(i.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(i.sheenColor=this.sheenColor.getHex()),void 0!==this.sheenRoughness&&(i.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(i.emissive=this.emissive.getHex()),void 0!==this.emissiveIntensity&&1!==this.emissiveIntensity&&(i.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(i.specular=this.specular.getHex()),void 0!==this.specularIntensity&&(i.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(i.specularColor=this.specularColor.getHex()),void 0!==this.shininess&&(i.shininess=this.shininess),void 0!==this.clearcoat&&(i.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(i.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(i.clearcoatMap=this.clearcoatMap.toJSON(t).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(i.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(t).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(i.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(t).uuid,i.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.sheenColorMap&&this.sheenColorMap.isTexture&&(i.sheenColorMap=this.sheenColorMap.toJSON(t).uuid),this.sheenRoughnessMap&&this.sheenRoughnessMap.isTexture&&(i.sheenRoughnessMap=this.sheenRoughnessMap.toJSON(t).uuid),void 0!==this.dispersion&&(i.dispersion=this.dispersion),void 0!==this.iridescence&&(i.iridescence=this.iridescence),void 0!==this.iridescenceIOR&&(i.iridescenceIOR=this.iridescenceIOR),void 0!==this.iridescenceThicknessRange&&(i.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(i.iridescenceMap=this.iridescenceMap.toJSON(t).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(i.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(t).uuid),void 0!==this.anisotropy&&(i.anisotropy=this.anisotropy),void 0!==this.anisotropyRotation&&(i.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(i.anisotropyMap=this.anisotropyMap.toJSON(t).uuid),this.map&&this.map.isTexture&&(i.map=this.map.toJSON(t).uuid),this.matcap&&this.matcap.isTexture&&(i.matcap=this.matcap.toJSON(t).uuid),this.alphaMap&&this.alphaMap.isTexture&&(i.alphaMap=this.alphaMap.toJSON(t).uuid),this.lightMap&&this.lightMap.isTexture&&(i.lightMap=this.lightMap.toJSON(t).uuid,i.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(i.aoMap=this.aoMap.toJSON(t).uuid,i.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(i.bumpMap=this.bumpMap.toJSON(t).uuid,i.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(i.normalMap=this.normalMap.toJSON(t).uuid,i.normalMapType=this.normalMapType,i.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(i.displacementMap=this.displacementMap.toJSON(t).uuid,i.displacementScale=this.displacementScale,i.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(i.roughnessMap=this.roughnessMap.toJSON(t).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(i.metalnessMap=this.metalnessMap.toJSON(t).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(i.emissiveMap=this.emissiveMap.toJSON(t).uuid),this.specularMap&&this.specularMap.isTexture&&(i.specularMap=this.specularMap.toJSON(t).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(i.specularIntensityMap=this.specularIntensityMap.toJSON(t).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(i.specularColorMap=this.specularColorMap.toJSON(t).uuid),this.envMap&&this.envMap.isTexture&&(i.envMap=this.envMap.toJSON(t).uuid,void 0!==this.combine&&(i.combine=this.combine)),void 0!==this.envMapRotation&&(i.envMapRotation=this.envMapRotation.toArray()),void 0!==this.envMapIntensity&&(i.envMapIntensity=this.envMapIntensity),void 0!==this.reflectivity&&(i.reflectivity=this.reflectivity),void 0!==this.refractionRatio&&(i.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(i.gradientMap=this.gradientMap.toJSON(t).uuid),void 0!==this.transmission&&(i.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(i.transmissionMap=this.transmissionMap.toJSON(t).uuid),void 0!==this.thickness&&(i.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(i.thicknessMap=this.thicknessMap.toJSON(t).uuid),void 0!==this.attenuationDistance&&this.attenuationDistance!==1/0&&(i.attenuationDistance=this.attenuationDistance),void 0!==this.attenuationColor&&(i.attenuationColor=this.attenuationColor.getHex()),void 0!==this.size&&(i.size=this.size),null!==this.shadowSide&&(i.shadowSide=this.shadowSide),void 0!==this.sizeAttenuation&&(i.sizeAttenuation=this.sizeAttenuation),1!==this.blending&&(i.blending=this.blending),0!==this.side&&(i.side=this.side),!0===this.vertexColors&&(i.vertexColors=!0),this.opacity<1&&(i.opacity=this.opacity),!0===this.transparent&&(i.transparent=!0),204!==this.blendSrc&&(i.blendSrc=this.blendSrc),205!==this.blendDst&&(i.blendDst=this.blendDst),100!==this.blendEquation&&(i.blendEquation=this.blendEquation),null!==this.blendSrcAlpha&&(i.blendSrcAlpha=this.blendSrcAlpha),null!==this.blendDstAlpha&&(i.blendDstAlpha=this.blendDstAlpha),null!==this.blendEquationAlpha&&(i.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(i.blendColor=this.blendColor.getHex()),0!==this.blendAlpha&&(i.blendAlpha=this.blendAlpha),3!==this.depthFunc&&(i.depthFunc=this.depthFunc),!1===this.depthTest&&(i.depthTest=this.depthTest),!1===this.depthWrite&&(i.depthWrite=this.depthWrite),!1===this.colorWrite&&(i.colorWrite=this.colorWrite),255!==this.stencilWriteMask&&(i.stencilWriteMask=this.stencilWriteMask),519!==this.stencilFunc&&(i.stencilFunc=this.stencilFunc),0!==this.stencilRef&&(i.stencilRef=this.stencilRef),255!==this.stencilFuncMask&&(i.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==li&&(i.stencilFail=this.stencilFail),this.stencilZFail!==li&&(i.stencilZFail=this.stencilZFail),this.stencilZPass!==li&&(i.stencilZPass=this.stencilZPass),!0===this.stencilWrite&&(i.stencilWrite=this.stencilWrite),void 0!==this.rotation&&0!==this.rotation&&(i.rotation=this.rotation),!0===this.polygonOffset&&(i.polygonOffset=!0),0!==this.polygonOffsetFactor&&(i.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(i.polygonOffsetUnits=this.polygonOffsetUnits),void 0!==this.linewidth&&1!==this.linewidth&&(i.linewidth=this.linewidth),void 0!==this.dashSize&&(i.dashSize=this.dashSize),void 0!==this.gapSize&&(i.gapSize=this.gapSize),void 0!==this.scale&&(i.scale=this.scale),!0===this.dithering&&(i.dithering=!0),this.alphaTest>0&&(i.alphaTest=this.alphaTest),!0===this.alphaHash&&(i.alphaHash=!0),!0===this.alphaToCoverage&&(i.alphaToCoverage=!0),!0===this.premultipliedAlpha&&(i.premultipliedAlpha=!0),!0===this.forceSinglePass&&(i.forceSinglePass=!0),!1===this.allowOverride&&(i.allowOverride=!1),!0===this.wireframe&&(i.wireframe=!0),this.wireframeLinewidth>1&&(i.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(i.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(i.wireframeLinejoin=this.wireframeLinejoin),!0===this.flatShading&&(i.flatShading=!0),!1===this.visible&&(i.visible=!1),!1===this.toneMapped&&(i.toneMapped=!1),!1===this.fog&&(i.fog=!1),Object.keys(this.userData).length>0&&(i.userData=this.userData),e){const e=s(t.textures),r=s(t.images);e.length>0&&(i.textures=e),r.length>0&&(i.images=r)}return i}fromJSON(t,e){if(void 0!==t.uuid&&(this.uuid=t.uuid),void 0!==t.name&&(this.name=t.name),void 0!==t.color&&void 0!==this.color&&this.color.setHex(t.color),void 0!==t.roughness&&(this.roughness=t.roughness),void 0!==t.metalness&&(this.metalness=t.metalness),void 0!==t.sheen&&(this.sheen=t.sheen),void 0!==t.sheenColor&&(this.sheenColor=(new Pr).setHex(t.sheenColor)),void 0!==t.sheenRoughness&&(this.sheenRoughness=t.sheenRoughness),void 0!==t.emissive&&void 0!==this.emissive&&this.emissive.setHex(t.emissive),void 0!==t.specular&&void 0!==this.specular&&this.specular.setHex(t.specular),void 0!==t.specularIntensity&&(this.specularIntensity=t.specularIntensity),void 0!==t.specularColor&&void 0!==this.specularColor&&this.specularColor.setHex(t.specularColor),void 0!==t.shininess&&(this.shininess=t.shininess),void 0!==t.clearcoat&&(this.clearcoat=t.clearcoat),void 0!==t.clearcoatRoughness&&(this.clearcoatRoughness=t.clearcoatRoughness),void 0!==t.dispersion&&(this.dispersion=t.dispersion),void 0!==t.iridescence&&(this.iridescence=t.iridescence),void 0!==t.iridescenceIOR&&(this.iridescenceIOR=t.iridescenceIOR),void 0!==t.iridescenceThicknessRange&&(this.iridescenceThicknessRange=t.iridescenceThicknessRange),void 0!==t.transmission&&(this.transmission=t.transmission),void 0!==t.thickness&&(this.thickness=t.thickness),void 0!==t.attenuationDistance&&(this.attenuationDistance=t.attenuationDistance),void 0!==t.attenuationColor&&void 0!==this.attenuationColor&&this.attenuationColor.setHex(t.attenuationColor),void 0!==t.anisotropy&&(this.anisotropy=t.anisotropy),void 0!==t.anisotropyRotation&&(this.anisotropyRotation=t.anisotropyRotation),void 0!==t.fog&&(this.fog=t.fog),void 0!==t.flatShading&&(this.flatShading=t.flatShading),void 0!==t.blending&&(this.blending=t.blending),void 0!==t.combine&&(this.combine=t.combine),void 0!==t.side&&(this.side=t.side),void 0!==t.shadowSide&&(this.shadowSide=t.shadowSide),void 0!==t.opacity&&(this.opacity=t.opacity),void 0!==t.transparent&&(this.transparent=t.transparent),void 0!==t.alphaTest&&(this.alphaTest=t.alphaTest),void 0!==t.alphaHash&&(this.alphaHash=t.alphaHash),void 0!==t.depthFunc&&(this.depthFunc=t.depthFunc),void 0!==t.depthTest&&(this.depthTest=t.depthTest),void 0!==t.depthWrite&&(this.depthWrite=t.depthWrite),void 0!==t.colorWrite&&(this.colorWrite=t.colorWrite),void 0!==t.blendSrc&&(this.blendSrc=t.blendSrc),void 0!==t.blendDst&&(this.blendDst=t.blendDst),void 0!==t.blendEquation&&(this.blendEquation=t.blendEquation),void 0!==t.blendSrcAlpha&&(this.blendSrcAlpha=t.blendSrcAlpha),void 0!==t.blendDstAlpha&&(this.blendDstAlpha=t.blendDstAlpha),void 0!==t.blendEquationAlpha&&(this.blendEquationAlpha=t.blendEquationAlpha),void 0!==t.blendColor&&void 0!==this.blendColor&&this.blendColor.setHex(t.blendColor),void 0!==t.blendAlpha&&(this.blendAlpha=t.blendAlpha),void 0!==t.stencilWriteMask&&(this.stencilWriteMask=t.stencilWriteMask),void 0!==t.stencilFunc&&(this.stencilFunc=t.stencilFunc),void 0!==t.stencilRef&&(this.stencilRef=t.stencilRef),void 0!==t.stencilFuncMask&&(this.stencilFuncMask=t.stencilFuncMask),void 0!==t.stencilFail&&(this.stencilFail=t.stencilFail),void 0!==t.stencilZFail&&(this.stencilZFail=t.stencilZFail),void 0!==t.stencilZPass&&(this.stencilZPass=t.stencilZPass),void 0!==t.stencilWrite&&(this.stencilWrite=t.stencilWrite),void 0!==t.wireframe&&(this.wireframe=t.wireframe),void 0!==t.wireframeLinewidth&&(this.wireframeLinewidth=t.wireframeLinewidth),void 0!==t.wireframeLinecap&&(this.wireframeLinecap=t.wireframeLinecap),void 0!==t.wireframeLinejoin&&(this.wireframeLinejoin=t.wireframeLinejoin),void 0!==t.rotation&&(this.rotation=t.rotation),void 0!==t.linewidth&&(this.linewidth=t.linewidth),void 0!==t.dashSize&&(this.dashSize=t.dashSize),void 0!==t.gapSize&&(this.gapSize=t.gapSize),void 0!==t.scale&&(this.scale=t.scale),void 0!==t.polygonOffset&&(this.polygonOffset=t.polygonOffset),void 0!==t.polygonOffsetFactor&&(this.polygonOffsetFactor=t.polygonOffsetFactor),void 0!==t.polygonOffsetUnits&&(this.polygonOffsetUnits=t.polygonOffsetUnits),void 0!==t.dithering&&(this.dithering=t.dithering),void 0!==t.alphaToCoverage&&(this.alphaToCoverage=t.alphaToCoverage),void 0!==t.premultipliedAlpha&&(this.premultipliedAlpha=t.premultipliedAlpha),void 0!==t.forceSinglePass&&(this.forceSinglePass=t.forceSinglePass),void 0!==t.allowOverride&&(this.allowOverride=t.allowOverride),void 0!==t.visible&&(this.visible=t.visible),void 0!==t.toneMapped&&(this.toneMapped=t.toneMapped),void 0!==t.userData&&(this.userData=t.userData),void 0!==t.vertexColors&&("number"==typeof t.vertexColors?this.vertexColors=t.vertexColors>0:this.vertexColors=t.vertexColors),void 0!==t.size&&(this.size=t.size),void 0!==t.sizeAttenuation&&(this.sizeAttenuation=t.sizeAttenuation),void 0!==t.map&&(this.map=e[t.map]||null),void 0!==t.matcap&&(this.matcap=e[t.matcap]||null),void 0!==t.alphaMap&&(this.alphaMap=e[t.alphaMap]||null),void 0!==t.bumpMap&&(this.bumpMap=e[t.bumpMap]||null),void 0!==t.bumpScale&&(this.bumpScale=t.bumpScale),void 0!==t.normalMap&&(this.normalMap=e[t.normalMap]||null),void 0!==t.normalMapType&&(this.normalMapType=t.normalMapType),void 0!==t.normalScale){let e=t.normalScale;!1===Array.isArray(e)&&(e=[e,e]),this.normalScale=(new _s).fromArray(e)}return void 0!==t.displacementMap&&(this.displacementMap=e[t.displacementMap]||null),void 0!==t.displacementScale&&(this.displacementScale=t.displacementScale),void 0!==t.displacementBias&&(this.displacementBias=t.displacementBias),void 0!==t.roughnessMap&&(this.roughnessMap=e[t.roughnessMap]||null),void 0!==t.metalnessMap&&(this.metalnessMap=e[t.metalnessMap]||null),void 0!==t.emissiveMap&&(this.emissiveMap=e[t.emissiveMap]||null),void 0!==t.emissiveIntensity&&(this.emissiveIntensity=t.emissiveIntensity),void 0!==t.specularMap&&(this.specularMap=e[t.specularMap]||null),void 0!==t.specularIntensityMap&&(this.specularIntensityMap=e[t.specularIntensityMap]||null),void 0!==t.specularColorMap&&(this.specularColorMap=e[t.specularColorMap]||null),void 0!==t.envMap&&(this.envMap=e[t.envMap]||null),void 0!==t.envMapRotation&&this.envMapRotation.fromArray(t.envMapRotation),void 0!==t.envMapIntensity&&(this.envMapIntensity=t.envMapIntensity),void 0!==t.reflectivity&&(this.reflectivity=t.reflectivity),void 0!==t.refractionRatio&&(this.refractionRatio=t.refractionRatio),void 0!==t.lightMap&&(this.lightMap=e[t.lightMap]||null),void 0!==t.lightMapIntensity&&(this.lightMapIntensity=t.lightMapIntensity),void 0!==t.aoMap&&(this.aoMap=e[t.aoMap]||null),void 0!==t.aoMapIntensity&&(this.aoMapIntensity=t.aoMapIntensity),void 0!==t.gradientMap&&(this.gradientMap=e[t.gradientMap]||null),void 0!==t.clearcoatMap&&(this.clearcoatMap=e[t.clearcoatMap]||null),void 0!==t.clearcoatRoughnessMap&&(this.clearcoatRoughnessMap=e[t.clearcoatRoughnessMap]||null),void 0!==t.clearcoatNormalMap&&(this.clearcoatNormalMap=e[t.clearcoatNormalMap]||null),void 0!==t.clearcoatNormalScale&&(this.clearcoatNormalScale=(new _s).fromArray(t.clearcoatNormalScale)),void 0!==t.iridescenceMap&&(this.iridescenceMap=e[t.iridescenceMap]||null),void 0!==t.iridescenceThicknessMap&&(this.iridescenceThicknessMap=e[t.iridescenceThicknessMap]||null),void 0!==t.transmissionMap&&(this.transmissionMap=e[t.transmissionMap]||null),void 0!==t.thicknessMap&&(this.thicknessMap=e[t.thicknessMap]||null),void 0!==t.anisotropyMap&&(this.anisotropyMap=e[t.anisotropyMap]||null),void 0!==t.sheenColorMap&&(this.sheenColorMap=e[t.sheenColorMap]||null),void 0!==t.sheenRoughnessMap&&(this.sheenRoughnessMap=e[t.sheenRoughnessMap]||null),this}clone(){return(new this.constructor).copy(this)}copy(t){this.name=t.name,this.blending=t.blending,this.side=t.side,this.vertexColors=t.vertexColors,this.opacity=t.opacity,this.transparent=t.transparent,this.blendSrc=t.blendSrc,this.blendDst=t.blendDst,this.blendEquation=t.blendEquation,this.blendSrcAlpha=t.blendSrcAlpha,this.blendDstAlpha=t.blendDstAlpha,this.blendEquationAlpha=t.blendEquationAlpha,this.blendColor.copy(t.blendColor),this.blendAlpha=t.blendAlpha,this.depthFunc=t.depthFunc,this.depthTest=t.depthTest,this.depthWrite=t.depthWrite,this.stencilWriteMask=t.stencilWriteMask,this.stencilFunc=t.stencilFunc,this.stencilRef=t.stencilRef,this.stencilFuncMask=t.stencilFuncMask,this.stencilFail=t.stencilFail,this.stencilZFail=t.stencilZFail,this.stencilZPass=t.stencilZPass,this.stencilWrite=t.stencilWrite;const e=t.clippingPlanes;let i=null;if(null!==e){const t=e.length;i=new Array(t);for(let s=0;s!==t;++s)i[s]=e[s].clone()}return this.clippingPlanes=i,this.clipIntersection=t.clipIntersection,this.clipShadows=t.clipShadows,this.shadowSide=t.shadowSide,this.colorWrite=t.colorWrite,this.precision=t.precision,this.polygonOffset=t.polygonOffset,this.polygonOffsetFactor=t.polygonOffsetFactor,this.polygonOffsetUnits=t.polygonOffsetUnits,this.dithering=t.dithering,this.alphaTest=t.alphaTest,this.alphaHash=t.alphaHash,this.alphaToCoverage=t.alphaToCoverage,this.premultipliedAlpha=t.premultipliedAlpha,this.forceSinglePass=t.forceSinglePass,this.allowOverride=t.allowOverride,this.visible=t.visible,this.toneMapped=t.toneMapped,this.userData=JSON.parse(JSON.stringify(t.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(t){!0===t&&this.version++}}class Gn extends Zn{constructor(t){super(),this.isSpriteMaterial=!0,this.type="SpriteMaterial",this.color=new Pr(16777215),this.map=null,this.alphaMap=null,this.rotation=0,this.sizeAttenuation=!0,this.transparent=!0,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.alphaMap=t.alphaMap,this.rotation=t.rotation,this.sizeAttenuation=t.sizeAttenuation,this.fog=t.fog,this}}const $n=new Ts,Qn=new Ts,Kn=new Ts,ta=new _s,ea=new _s,ia=new Qs,sa=new Ts,ra=new Ts,na=new Ts,aa=new _s,oa=new _s,ha=new _s;class la extends Ar{constructor(t=new Gn){if(super(),this.isSprite=!0,this.type="Sprite",void 0===Xn){Xn=new Wn;const t=new Float32Array([-.5,-.5,0,0,0,.5,-.5,0,1,0,.5,.5,0,1,1,-.5,.5,0,0,1]),e=new Jn(t,5);Xn.setIndex([0,1,2,0,2,3]),Xn.setAttribute("position",new Hn(e,3,0,!1)),Xn.setAttribute("uv",new Hn(e,2,3,!1))}this.geometry=Xn,this.material=t,this.center=new _s(.5,.5),this.count=1}raycast(t,e){null===t.camera&&os('Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.'),Qn.setFromMatrixScale(this.matrixWorld),ia.copy(t.camera.matrixWorld),this.modelViewMatrix.multiplyMatrices(t.camera.matrixWorldInverse,this.matrixWorld),Kn.setFromMatrixPosition(this.modelViewMatrix),t.camera.isPerspectiveCamera&&!1===this.material.sizeAttenuation&&Qn.multiplyScalar(-Kn.z);const i=this.material.rotation;let s,r;0!==i&&(r=Math.cos(i),s=Math.sin(i));const n=this.center;ca(sa.set(-.5,-.5,0),Kn,n,Qn,s,r),ca(ra.set(.5,-.5,0),Kn,n,Qn,s,r),ca(na.set(.5,.5,0),Kn,n,Qn,s,r),aa.set(0,0),oa.set(1,0),ha.set(1,1);let a=t.ray.intersectTriangle(sa,ra,na,!1,$n);if(null===a&&(ca(ra.set(-.5,.5,0),Kn,n,Qn,s,r),oa.set(0,1),a=t.ray.intersectTriangle(sa,na,ra,!1,$n),null===a))return;const o=t.ray.origin.distanceTo($n);o<t.near||o>t.far||e.push({distance:o,point:$n.clone(),uv:$r.getInterpolation($n,sa,ra,na,aa,oa,ha,new _s),face:null,object:this})}copy(t,e){return super.copy(t,e),void 0!==t.center&&this.center.copy(t.center),this.material=t.material,this}}function ca(t,e,i,s,r,n){ta.subVectors(t,i).addScalar(.5).multiply(s),void 0!==r?(ea.x=n*ta.x-r*ta.y,ea.y=r*ta.x+n*ta.y):ea.copy(ta),t.copy(e),t.x+=ea.x,t.y+=ea.y,t.applyMatrix4(ia)}const ua=new Ts,da=new Ts;class pa extends Ar{constructor(){super(),this.isLOD=!0,this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]}}),this.autoUpdate=!0}copy(t){super.copy(t,!1);const e=t.levels;for(let t=0,i=e.length;t<i;t++){const i=e[t];this.addLevel(i.object.clone(),i.distance,i.hysteresis)}return this.autoUpdate=t.autoUpdate,this}addLevel(t,e=0,i=0){e=Math.abs(e);const s=this.levels;let r;for(r=0;r<s.length&&!(e<s[r].distance);r++);return s.splice(r,0,{distance:e,hysteresis:i,object:t}),this.add(t),this}removeLevel(t){const e=this.levels;for(let i=0;i<e.length;i++)if(e[i].distance===t){const t=e.splice(i,1);return this.remove(t[0].object),!0}return!1}getCurrentLevel(){return this._currentLevel}getObjectForDistance(t){const e=this.levels;if(e.length>0){let i,s;for(i=1,s=e.length;i<s;i++){let s=e[i].distance;if(e[i].object.visible&&(s-=s*e[i].hysteresis),t<s)break}return e[i-1].object}return null}raycast(t,e){if(this.levels.length>0){ua.setFromMatrixPosition(this.matrixWorld);const i=t.ray.origin.distanceTo(ua);this.getObjectForDistance(i).raycast(t,e)}}update(t){const e=this.levels;if(e.length>1){ua.setFromMatrixPosition(t.matrixWorld),da.setFromMatrixPosition(this.matrixWorld);const i=ua.distanceTo(da)/t.zoom;let s,r;for(e[0].object.visible=!0,s=1,r=e.length;s<r;s++){let t=e[s].distance;if(e[s].object.visible&&(t-=t*e[s].hysteresis),!(i>=t))break;e[s-1].object.visible=!1,e[s].object.visible=!0}for(this._currentLevel=s-1;s<r;s++)e[s].object.visible=!1}}toJSON(t){const e=super.toJSON(t);!1===this.autoUpdate&&(e.object.autoUpdate=!1),e.object.levels=[];const i=this.levels;for(let t=0,s=i.length;t<s;t++){const s=i[t];e.object.levels.push({object:s.object.uuid,distance:s.distance,hysteresis:s.hysteresis})}return e}}const ma=new Ts,ya=new Ts,ga=new Ts,fa=new Ts,xa=new Ts,ba=new Ts,va=new Ts;class wa{constructor(t=new Ts,e=new Ts(0,0,-1)){this.origin=t,this.direction=e}set(t,e){return this.origin.copy(t),this.direction.copy(e),this}copy(t){return this.origin.copy(t.origin),this.direction.copy(t.direction),this}at(t,e){return e.copy(this.origin).addScaledVector(this.direction,t)}lookAt(t){return this.direction.copy(t).sub(this.origin).normalize(),this}recast(t){return this.origin.copy(this.at(t,ma)),this}closestPointToPoint(t,e){e.subVectors(t,this.origin);const i=e.dot(this.direction);return i<0?e.copy(this.origin):e.copy(this.origin).addScaledVector(this.direction,i)}distanceToPoint(t){return Math.sqrt(this.distanceSqToPoint(t))}distanceSqToPoint(t){const e=ma.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):(ma.copy(this.origin).addScaledVector(this.direction,e),ma.distanceToSquared(t))}distanceSqToSegment(t,e,i,s){ya.copy(t).add(e).multiplyScalar(.5),ga.copy(e).sub(t).normalize(),fa.copy(this.origin).sub(ya);const r=.5*t.distanceTo(e),n=-this.direction.dot(ga),a=fa.dot(this.direction),o=-fa.dot(ga),h=fa.lengthSq(),l=Math.abs(1-n*n);let c,u,d,p;if(l>0)if(c=n*o-a,u=n*a-o,p=r*l,c>=0)if(u>=-p)if(u<=p){const t=1/l;c*=t,u*=t,d=c*(c+n*u+2*a)+u*(n*c+u+2*o)+h}else u=r,c=Math.max(0,-(n*u+a)),d=-c*c+u*(u+2*o)+h;else u=-r,c=Math.max(0,-(n*u+a)),d=-c*c+u*(u+2*o)+h;else u<=-p?(c=Math.max(0,-(-n*r+a)),u=c>0?-r:Math.min(Math.max(-r,-o),r),d=-c*c+u*(u+2*o)+h):u<=p?(c=0,u=Math.min(Math.max(-r,-o),r),d=u*(u+2*o)+h):(c=Math.max(0,-(n*r+a)),u=c>0?r:Math.min(Math.max(-r,-o),r),d=-c*c+u*(u+2*o)+h);else u=n>0?-r:r,c=Math.max(0,-(n*u+a)),d=-c*c+u*(u+2*o)+h;return i&&i.copy(this.origin).addScaledVector(this.direction,c),s&&s.copy(ya).addScaledVector(ga,u),d}intersectSphere(t,e){ma.subVectors(t.center,this.origin);const i=ma.dot(this.direction),s=ma.dot(ma)-i*i,r=t.radius*t.radius;if(s>r)return null;const n=Math.sqrt(r-s),a=i-n,o=i+n;return o<0?null:a<0?this.at(o,e):this.at(a,e)}intersectsSphere(t){return!(t.radius<0)&&this.distanceSqToPoint(t.center)<=t.radius*t.radius}distanceToPlane(t){const e=t.normal.dot(this.direction);if(0===e)return 0===t.distanceToPoint(this.origin)?0:null;const i=-(this.origin.dot(t.normal)+t.constant)/e;return i>=0?i:null}intersectPlane(t,e){const i=this.distanceToPlane(t);return null===i?null:this.at(i,e)}intersectsPlane(t){const e=t.distanceToPoint(this.origin);if(0===e)return!0;return t.normal.dot(this.direction)*e<0}intersectBox(t,e){let i,s,r,n,a,o;const h=1/this.direction.x,l=1/this.direction.y,c=1/this.direction.z,u=this.origin;return h>=0?(i=(t.min.x-u.x)*h,s=(t.max.x-u.x)*h):(i=(t.max.x-u.x)*h,s=(t.min.x-u.x)*h),l>=0?(r=(t.min.y-u.y)*l,n=(t.max.y-u.y)*l):(r=(t.max.y-u.y)*l,n=(t.min.y-u.y)*l),i>n||r>s?null:((r>i||isNaN(i))&&(i=r),(n<s||isNaN(s))&&(s=n),c>=0?(a=(t.min.z-u.z)*c,o=(t.max.z-u.z)*c):(a=(t.max.z-u.z)*c,o=(t.min.z-u.z)*c),i>o||a>s?null:((a>i||i!=i)&&(i=a),(o<s||s!=s)&&(s=o),s<0?null:this.at(i>=0?i:s,e)))}intersectsBox(t){return null!==this.intersectBox(t,ma)}intersectTriangle(t,e,i,s,r){xa.subVectors(e,t),ba.subVectors(i,t),va.crossVectors(xa,ba);let n,a=this.direction.dot(va);if(a>0){if(s)return null;n=1}else{if(!(a<0))return null;n=-1,a=-a}fa.subVectors(this.origin,t);const o=n*this.direction.dot(ba.crossVectors(fa,ba));if(o<0)return null;const h=n*this.direction.dot(xa.cross(fa));if(h<0)return null;if(o+h>a)return null;const l=-n*fa.dot(va);return l<0?null:this.at(l/a,r)}applyMatrix4(t){return this.origin.applyMatrix4(t),this.direction.transformDirection(t),this}equals(t){return t.origin.equals(this.origin)&&t.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}class Ma extends Zn{constructor(t){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new Pr(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new hr,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}const Sa=new Qs,_a=new wa,Aa=new En,Ta=new Ts,za=new Ts,Ca=new Ts,Ia=new Ts,Ba=new Ts,ka=new Ts,Oa=new Ts,Pa=new Ts;class Ra extends Ar{constructor(t=new Wn,e=new Ma){super(),this.isMesh=!0,this.type="Mesh",this.geometry=t,this.material=e,this.morphTargetDictionary=void 0,this.morphTargetInfluences=void 0,this.count=1,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),void 0!==t.morphTargetInfluences&&(this.morphTargetInfluences=t.morphTargetInfluences.slice()),void 0!==t.morphTargetDictionary&&(this.morphTargetDictionary=Object.assign({},t.morphTargetDictionary)),this.material=Array.isArray(t.material)?t.material.slice():t.material,this.geometry=t.geometry,this}updateMorphTargets(){const t=this.geometry.morphAttributes,e=Object.keys(t);if(e.length>0){const i=t[e[0]];if(void 0!==i){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=i.length;t<e;t++){const e=i[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[e]=t}}}}getVertexPosition(t,e){const i=this.geometry,s=i.attributes.position,r=i.morphAttributes.position,n=i.morphTargetsRelative;e.fromBufferAttribute(s,t);const a=this.morphTargetInfluences;if(r&&a){ka.set(0,0,0);for(let i=0,s=r.length;i<s;i++){const s=a[i],o=r[i];0!==s&&(Ba.fromBufferAttribute(o,t),n?ka.addScaledVector(Ba,s):ka.addScaledVector(Ba.sub(e),s))}e.add(ka)}return e}raycast(t,e){const i=this.geometry,s=this.material,r=this.matrixWorld;if(void 0!==s){if(null===i.boundingSphere&&i.computeBoundingSphere(),Aa.copy(i.boundingSphere),Aa.applyMatrix4(r),_a.copy(t.ray).recast(t.near),!1===Aa.containsPoint(_a.origin)){if(null===_a.intersectSphere(Aa,Ta))return;if(_a.origin.distanceToSquared(Ta)>(t.far-t.near)**2)return}Sa.copy(r).invert(),_a.copy(t.ray).applyMatrix4(Sa),null!==i.boundingBox&&!1===_a.intersectsBox(i.boundingBox)||this._computeIntersections(t,e,_a)}}_computeIntersections(t,e,i){let s;const r=this.geometry,n=this.material,a=r.index,o=r.attributes.position,h=r.attributes.uv,l=r.attributes.uv1,c=r.attributes.normal,u=r.groups,d=r.drawRange;if(null!==a)if(Array.isArray(n))for(let r=0,o=u.length;r<o;r++){const o=u[r],p=n[o.materialIndex];for(let r=Math.max(o.start,d.start),n=Math.min(a.count,Math.min(o.start+o.count,d.start+d.count));r<n;r+=3){s=Ea(this,p,t,i,h,l,c,a.getX(r),a.getX(r+1),a.getX(r+2)),s&&(s.faceIndex=Math.floor(r/3),s.face.materialIndex=o.materialIndex,e.push(s))}}else{for(let r=Math.max(0,d.start),o=Math.min(a.count,d.start+d.count);r<o;r+=3){s=Ea(this,n,t,i,h,l,c,a.getX(r),a.getX(r+1),a.getX(r+2)),s&&(s.faceIndex=Math.floor(r/3),e.push(s))}}else if(void 0!==o)if(Array.isArray(n))for(let r=0,a=u.length;r<a;r++){const a=u[r],p=n[a.materialIndex];for(let r=Math.max(a.start,d.start),n=Math.min(o.count,Math.min(a.start+a.count,d.start+d.count));r<n;r+=3){s=Ea(this,p,t,i,h,l,c,r,r+1,r+2),s&&(s.faceIndex=Math.floor(r/3),s.face.materialIndex=a.materialIndex,e.push(s))}}else{for(let r=Math.max(0,d.start),a=Math.min(o.count,d.start+d.count);r<a;r+=3){s=Ea(this,n,t,i,h,l,c,r,r+1,r+2),s&&(s.faceIndex=Math.floor(r/3),e.push(s))}}}}function Ea(t,e,i,s,r,n,a,o,h,l){t.getVertexPosition(o,za),t.getVertexPosition(h,Ca),t.getVertexPosition(l,Ia);const c=function(t,e,i,s,r,n,a,o){let h;if(h=1===e.side?s.intersectTriangle(a,n,r,!0,o):s.intersectTriangle(r,n,a,0===e.side,o),null===h)return null;Pa.copy(o),Pa.applyMatrix4(t.matrixWorld);const l=i.ray.origin.distanceTo(Pa);return l<i.near||l>i.far?null:{distance:l,point:Pa.clone(),object:t}}(t,e,i,s,za,Ca,Ia,Oa);if(c){const t=new Ts;$r.getBarycoord(Oa,za,Ca,Ia,t),r&&(c.uv=$r.getInterpolatedAttribute(r,o,h,l,t,new _s)),n&&(c.uv1=$r.getInterpolatedAttribute(n,o,h,l,t,new _s)),a&&(c.normal=$r.getInterpolatedAttribute(a,o,h,l,t,new Ts),c.normal.dot(s.direction)>0&&c.normal.multiplyScalar(-1));const e={a:o,b:h,c:l,normal:new Ts,materialIndex:0};$r.getNormal(za,Ca,Ia,e.normal),c.face=e,c.barycoord=t}return c}const Na=new qs,Va=new qs,Fa=new qs,La=new qs,Da=new Qs,ja=new Ts,Ua=new En,Wa=new Qs,Ja=new wa;class qa extends Ra{constructor(t,e){super(t,e),this.isSkinnedMesh=!0,this.type="SkinnedMesh",this.bindMode=at,this.bindMatrix=new Qs,this.bindMatrixInverse=new Qs,this.boundingBox=null,this.boundingSphere=null}computeBoundingBox(){const t=this.geometry;null===this.boundingBox&&(this.boundingBox=new Qr),this.boundingBox.makeEmpty();const e=t.getAttribute("position");for(let t=0;t<e.count;t++)this.getVertexPosition(t,ja),this.boundingBox.expandByPoint(ja)}computeBoundingSphere(){const t=this.geometry;null===this.boundingSphere&&(this.boundingSphere=new En),this.boundingSphere.makeEmpty();const e=t.getAttribute("position");for(let t=0;t<e.count;t++)this.getVertexPosition(t,ja),this.boundingSphere.expandByPoint(ja)}copy(t,e){return super.copy(t,e),this.bindMode=t.bindMode,this.bindMatrix.copy(t.bindMatrix),this.bindMatrixInverse.copy(t.bindMatrixInverse),this.skeleton=t.skeleton,null!==t.boundingBox&&(this.boundingBox=t.boundingBox.clone()),null!==t.boundingSphere&&(this.boundingSphere=t.boundingSphere.clone()),this}raycast(t,e){const i=this.material,s=this.matrixWorld;void 0!==i&&(null===this.boundingSphere&&this.computeBoundingSphere(),Ua.copy(this.boundingSphere),Ua.applyMatrix4(s),!1!==t.ray.intersectsSphere(Ua)&&(Wa.copy(s).invert(),Ja.copy(t.ray).applyMatrix4(Wa),null!==this.boundingBox&&!1===Ja.intersectsBox(this.boundingBox)||this._computeIntersections(t,e,Ja)))}getVertexPosition(t,e){return super.getVertexPosition(t,e),this.applyBoneTransform(t,e),e}bind(t,e){this.skeleton=t,void 0===e&&(this.updateMatrixWorld(!0),this.skeleton.calculateInverses(),e=this.matrixWorld),this.bindMatrix.copy(e),this.bindMatrixInverse.copy(e).invert()}pose(){this.skeleton.pose()}normalizeSkinWeights(){const t=new qs,e=this.geometry.attributes.skinWeight;for(let i=0,s=e.count;i<s;i++){t.fromBufferAttribute(e,i);const s=1/t.manhattanLength();s!==1/0?t.multiplyScalar(s):t.set(1,0,0,0),e.setXYZW(i,t.x,t.y,t.z,t.w)}}updateMatrixWorld(t){super.updateMatrixWorld(t),this.bindMode===at?this.bindMatrixInverse.copy(this.matrixWorld).invert():this.bindMode===ot?this.bindMatrixInverse.copy(this.bindMatrix).invert():as("SkinnedMesh: Unrecognized bindMode: "+this.bindMode)}applyBoneTransform(t,e){const i=this.skeleton,s=this.geometry;Va.fromBufferAttribute(s.attributes.skinIndex,t),Fa.fromBufferAttribute(s.attributes.skinWeight,t),e.isVector4?(Na.copy(e),e.set(0,0,0,0)):(Na.set(...e,1),e.set(0,0,0)),Na.applyMatrix4(this.bindMatrix);for(let t=0;t<4;t++){const s=Fa.getComponent(t);if(0!==s){const r=Va.getComponent(t);Da.multiplyMatrices(i.bones[r].matrixWorld,i.boneInverses[r]),e.addScaledVector(La.copy(Na).applyMatrix4(Da),s)}}return e.isVector4&&(e.w=Na.w),e.applyMatrix4(this.bindMatrixInverse)}}class Ha extends Ar{constructor(){super(),this.isBone=!0,this.type="Bone"}}class Xa extends Js{constructor(t=null,e=1,i=1,s,r,n,a,o,h=1003,l=1003,c,u){super(null,n,a,o,h,l,s,r,c,u),this.isDataTexture=!0,this.image={data:t,width:e,height:i},this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}const Ya=new Qs,Za=new Qs;class Ga{constructor(t=[],e=[]){this.uuid=fs(),this.bones=t.slice(0),this.boneInverses=e,this.boneMatrices=null,this.boneTexture=null,this.init()}init(){const t=this.bones,e=this.boneInverses;if(this.boneMatrices=new Float32Array(16*t.length),0===e.length)this.calculateInverses();else if(t.length!==e.length){as("Skeleton: Number of inverse bone matrices does not match amount of bones."),this.boneInverses=[];for(let t=0,e=this.bones.length;t<e;t++)this.boneInverses.push(new Qs)}}calculateInverses(){this.boneInverses.length=0;for(let t=0,e=this.bones.length;t<e;t++){const e=new Qs;this.bones[t]&&e.copy(this.bones[t].matrixWorld).invert(),this.boneInverses.push(e)}}pose(){for(let t=0,e=this.bones.length;t<e;t++){const e=this.bones[t];e&&e.matrixWorld.copy(this.boneInverses[t]).invert()}for(let t=0,e=this.bones.length;t<e;t++){const e=this.bones[t];e&&(e.parent&&e.parent.isBone?(e.matrix.copy(e.parent.matrixWorld).invert(),e.matrix.multiply(e.matrixWorld)):e.matrix.copy(e.matrixWorld),e.matrix.decompose(e.position,e.quaternion,e.scale))}}update(){const t=this.bones,e=this.boneInverses,i=this.boneMatrices,s=this.boneTexture;for(let s=0,r=t.length;s<r;s++){const r=t[s]?t[s].matrixWorld:Za;Ya.multiplyMatrices(r,e[s]),Ya.toArray(i,16*s)}null!==s&&(s.needsUpdate=!0)}clone(){return new Ga(this.bones,this.boneInverses)}computeBoneTexture(){let t=Math.sqrt(4*this.bones.length);t=4*Math.ceil(t/4),t=Math.max(t,4);const e=new Float32Array(t*t*4);e.set(this.boneMatrices);const i=new Xa(e,t,t,Ut,Pt);return i.needsUpdate=!0,this.boneMatrices=e,this.boneTexture=i,this}getBoneByName(t){for(let e=0,i=this.bones.length;e<i;e++){const i=this.bones[e];if(i.name===t)return i}}dispose(){null!==this.boneTexture&&(this.boneTexture.dispose(),this.boneTexture=null)}fromJSON(t,e){this.uuid=t.uuid;for(let i=0,s=t.bones.length;i<s;i++){const s=t.bones[i];let r=e[s];void 0===r&&(as("Skeleton: No bone found with UUID:",s),r=new Ha),this.bones.push(r),this.boneInverses.push((new Qs).fromArray(t.boneInverses[i]))}return this.init(),this}toJSON(){const t={metadata:{version:4.7,type:"Skeleton",generator:"Skeleton.toJSON"},bones:[],boneInverses:[]};t.uuid=this.uuid;const e=this.bones,i=this.boneInverses;for(let s=0,r=e.length;s<r;s++){const r=e[s];t.bones.push(r.uuid);const n=i[s];t.boneInverses.push(n.toArray())}return t}}class $a extends Mn{constructor(t,e,i,s=1){super(t,e,i),this.isInstancedBufferAttribute=!0,this.meshPerAttribute=s}copy(t){return super.copy(t),this.meshPerAttribute=t.meshPerAttribute,this}toJSON(){const t=super.toJSON();return t.meshPerAttribute=this.meshPerAttribute,t.isInstancedBufferAttribute=!0,t}}const Qa=new Qs,Ka=new Qs,to=[],eo=new Qr,io=new Qs,so=new Ra,ro=new En;class no extends Ra{constructor(t,e,i){super(t,e),this.isInstancedMesh=!0,this.instanceMatrix=new $a(new Float32Array(16*i),16),this.instanceColor=null,this.morphTexture=null,this.count=i,this.boundingBox=null,this.boundingSphere=null;for(let t=0;t<i;t++)this.setMatrixAt(t,io)}computeBoundingBox(){const t=this.geometry,e=this.count;null===this.boundingBox&&(this.boundingBox=new Qr),null===t.boundingBox&&t.computeBoundingBox(),this.boundingBox.makeEmpty();for(let i=0;i<e;i++)this.getMatrixAt(i,Qa),eo.copy(t.boundingBox).applyMatrix4(Qa),this.boundingBox.union(eo)}computeBoundingSphere(){const t=this.geometry,e=this.count;null===this.boundingSphere&&(this.boundingSphere=new En),null===t.boundingSphere&&t.computeBoundingSphere(),this.boundingSphere.makeEmpty();for(let i=0;i<e;i++)this.getMatrixAt(i,Qa),ro.copy(t.boundingSphere).applyMatrix4(Qa),this.boundingSphere.union(ro)}copy(t,e){return super.copy(t,e),this.instanceMatrix.copy(t.instanceMatrix),null!==t.morphTexture&&(this.morphTexture=t.morphTexture.clone()),null!==t.instanceColor&&(this.instanceColor=t.instanceColor.clone()),this.count=t.count,null!==t.boundingBox&&(this.boundingBox=t.boundingBox.clone()),null!==t.boundingSphere&&(this.boundingSphere=t.boundingSphere.clone()),this}getColorAt(t,e){return null===this.instanceColor?e.setRGB(1,1,1):e.fromArray(this.instanceColor.array,3*t)}getMatrixAt(t,e){return e.fromArray(this.instanceMatrix.array,16*t)}getMorphAt(t,e){const i=e.morphTargetInfluences,s=this.morphTexture.source.data.data,r=t*(i.length+1)+1;for(let t=0;t<i.length;t++)i[t]=s[r+t]}raycast(t,e){const i=this.matrixWorld,s=this.count;if(so.geometry=this.geometry,so.material=this.material,void 0!==so.material&&(null===this.boundingSphere&&this.computeBoundingSphere(),ro.copy(this.boundingSphere),ro.applyMatrix4(i),!1!==t.ray.intersectsSphere(ro)))for(let r=0;r<s;r++){this.getMatrixAt(r,Qa),Ka.multiplyMatrices(i,Qa),so.matrixWorld=Ka,so.raycast(t,to);for(let t=0,i=to.length;t<i;t++){const i=to[t];i.instanceId=r,i.object=this,e.push(i)}to.length=0}}setColorAt(t,e){return null===this.instanceColor&&(this.instanceColor=new $a(new Float32Array(3*this.instanceMatrix.count).fill(1),3)),e.toArray(this.instanceColor.array,3*t),this}setMatrixAt(t,e){return e.toArray(this.instanceMatrix.array,16*t),this}setMorphAt(t,e){const i=e.morphTargetInfluences,s=i.length+1;null===this.morphTexture&&(this.morphTexture=new Xa(new Float32Array(s*this.count),s,this.count,qt,Pt));const r=this.morphTexture.source.data.data;let n=0;for(let t=0;t<i.length;t++)n+=i[t];const a=this.geometry.morphTargetsRelative?1:1-n,o=s*t;return r[o]=a,r.set(i,o+1),this}updateMorphTargets(){}dispose(){this.dispatchEvent({type:"dispose"}),null!==this.morphTexture&&(this.morphTexture.dispose(),this.morphTexture=null)}}const ao=new Ts,oo=new Ts,ho=new Is;class lo{constructor(t=new Ts(1,0,0),e=0){this.isPlane=!0,this.normal=t,this.constant=e}set(t,e){return this.normal.copy(t),this.constant=e,this}setComponents(t,e,i,s){return this.normal.set(t,e,i),this.constant=s,this}setFromNormalAndCoplanarPoint(t,e){return this.normal.copy(t),this.constant=-e.dot(this.normal),this}setFromCoplanarPoints(t,e,i){const s=ao.subVectors(i,e).cross(oo.subVectors(t,e)).normalize();return this.setFromNormalAndCoplanarPoint(s,t),this}copy(t){return this.normal.copy(t.normal),this.constant=t.constant,this}normalize(){const t=1/this.normal.length();return this.normal.multiplyScalar(t),this.constant*=t,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(t){return this.normal.dot(t)+this.constant}distanceToSphere(t){return this.distanceToPoint(t.center)-t.radius}projectPoint(t,e){return e.copy(t).addScaledVector(this.normal,-this.distanceToPoint(t))}intersectLine(t,e,i=!0){const s=t.delta(ao),r=this.normal.dot(s);if(0===r)return 0===this.distanceToPoint(t.start)?e.copy(t.start):null;const n=-(t.start.dot(this.normal)+this.constant)/r;return!0===i&&(n<0||n>1)?null:e.copy(t.start).addScaledVector(s,n)}intersectsLine(t){const e=this.distanceToPoint(t.start),i=this.distanceToPoint(t.end);return e<0&&i>0||i<0&&e>0}intersectsBox(t){return t.intersectsPlane(this)}intersectsSphere(t){return t.intersectsPlane(this)}coplanarPoint(t){return t.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(t,e){const i=e||ho.getNormalMatrix(t),s=this.coplanarPoint(ao).applyMatrix4(t),r=this.normal.applyMatrix3(i).normalize();return this.constant=-s.dot(r),this}translate(t){return this.constant-=t.dot(this.normal),this}equals(t){return t.normal.equals(this.normal)&&t.constant===this.constant}clone(){return(new this.constructor).copy(this)}}const co=new En,uo=new _s(.5,.5),po=new Ts;class mo{constructor(t=new lo,e=new lo,i=new lo,s=new lo,r=new lo,n=new lo){this.planes=[t,e,i,s,r,n]}set(t,e,i,s,r,n){const a=this.planes;return a[0].copy(t),a[1].copy(e),a[2].copy(i),a[3].copy(s),a[4].copy(r),a[5].copy(n),this}copy(t){const e=this.planes;for(let i=0;i<6;i++)e[i].copy(t.planes[i]);return this}setFromProjectionMatrix(t,e=2e3,i=!1){const s=this.planes,r=t.elements,n=r[0],a=r[1],o=r[2],h=r[3],l=r[4],c=r[5],u=r[6],d=r[7],p=r[8],m=r[9],y=r[10],g=r[11],f=r[12],x=r[13],b=r[14],v=r[15];if(s[0].setComponents(h-n,d-l,g-p,v-f).normalize(),s[1].setComponents(h+n,d+l,g+p,v+f).normalize(),s[2].setComponents(h+a,d+c,g+m,v+x).normalize(),s[3].setComponents(h-a,d-c,g-m,v-x).normalize(),i)s[4].setComponents(o,u,y,b).normalize(),s[5].setComponents(h-o,d-u,g-y,v-b).normalize();else if(s[4].setComponents(h-o,d-u,g-y,v-b).normalize(),e===Wi)s[5].setComponents(h+o,d+u,g+y,v+b).normalize();else{if(e!==Ji)throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+e);s[5].setComponents(o,u,y,b).normalize()}return this}intersectsObject(t){if(void 0!==t.boundingSphere)null===t.boundingSphere&&t.computeBoundingSphere(),co.copy(t.boundingSphere).applyMatrix4(t.matrixWorld);else{const e=t.geometry;null===e.boundingSphere&&e.computeBoundingSphere(),co.copy(e.boundingSphere).applyMatrix4(t.matrixWorld)}return this.intersectsSphere(co)}intersectsSprite(t){co.center.set(0,0,0);const e=uo.distanceTo(t.center);return co.radius=.7071067811865476+e,co.applyMatrix4(t.matrixWorld),this.intersectsSphere(co)}intersectsSphere(t){const e=this.planes,i=t.center,s=-t.radius;for(let t=0;t<6;t++){if(e[t].distanceToPoint(i)<s)return!1}return!0}intersectsBox(t){const e=this.planes;for(let i=0;i<6;i++){const s=e[i];if(po.x=s.normal.x>0?t.max.x:t.min.x,po.y=s.normal.y>0?t.max.y:t.min.y,po.z=s.normal.z>0?t.max.z:t.min.z,s.distanceToPoint(po)<0)return!1}return!0}containsPoint(t){const e=this.planes;for(let i=0;i<6;i++)if(e[i].distanceToPoint(t)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}const yo=new Qs,go=new mo;class fo{constructor(){this.coordinateSystem=Wi}intersectsObject(t,e){if(!e.isArrayCamera||0===e.cameras.length)return!1;for(let i=0;i<e.cameras.length;i++){const s=e.cameras[i];if(yo.multiplyMatrices(s.projectionMatrix,s.matrixWorldInverse),go.setFromProjectionMatrix(yo,s.coordinateSystem,s.reversedDepth),go.intersectsObject(t))return!0}return!1}intersectsSprite(t,e){if(!e||!e.cameras||0===e.cameras.length)return!1;for(let i=0;i<e.cameras.length;i++){const s=e.cameras[i];if(yo.multiplyMatrices(s.projectionMatrix,s.matrixWorldInverse),go.setFromProjectionMatrix(yo,s.coordinateSystem,s.reversedDepth),go.intersectsSprite(t))return!0}return!1}intersectsSphere(t,e){if(!e||!e.cameras||0===e.cameras.length)return!1;for(let i=0;i<e.cameras.length;i++){const s=e.cameras[i];if(yo.multiplyMatrices(s.projectionMatrix,s.matrixWorldInverse),go.setFromProjectionMatrix(yo,s.coordinateSystem,s.reversedDepth),go.intersectsSphere(t))return!0}return!1}intersectsBox(t,e){if(!e||!e.cameras||0===e.cameras.length)return!1;for(let i=0;i<e.cameras.length;i++){const s=e.cameras[i];if(yo.multiplyMatrices(s.projectionMatrix,s.matrixWorldInverse),go.setFromProjectionMatrix(yo,s.coordinateSystem,s.reversedDepth),go.intersectsBox(t))return!0}return!1}containsPoint(t,e){if(!e||!e.cameras||0===e.cameras.length)return!1;for(let i=0;i<e.cameras.length;i++){const s=e.cameras[i];if(yo.multiplyMatrices(s.projectionMatrix,s.matrixWorldInverse),go.setFromProjectionMatrix(yo,s.coordinateSystem,s.reversedDepth),go.containsPoint(t))return!0}return!1}clone(){return new fo}}function xo(t,e){return t-e}function bo(t,e){return t.z-e.z}function vo(t,e){return e.z-t.z}class wo{constructor(){this.index=0,this.pool=[],this.list=[]}push(t,e,i,s){const r=this.pool,n=this.list;this.index>=r.length&&r.push({start:-1,count:-1,z:-1,index:-1});const a=r[this.index];n.push(a),this.index++,a.start=t,a.count=e,a.z=i,a.index=s}reset(){this.list.length=0,this.index=0}}const Mo=new Qs,So=new Pr(1,1,1),_o=new mo,Ao=new fo,To=new Qr,zo=new En,Co=new Ts,Io=new Ts,Bo=new Ts,ko=new wo,Oo=new Ra,Po=[];function Ro(t,e,i=0){const s=e.itemSize;if(t.isInterleavedBufferAttribute||t.array.constructor!==e.array.constructor){const r=t.count;for(let n=0;n<r;n++)for(let r=0;r<s;r++)e.setComponent(n+i,r,t.getComponent(n,r))}else e.array.set(t.array,i*s);e.needsUpdate=!0}function Eo(t,e){if(t.constructor!==e.constructor){const i=Math.min(t.length,e.length);for(let s=0;s<i;s++)e[s]=t[s]}else{const i=Math.min(t.length,e.length);e.set(new t.constructor(t.buffer,0,i))}}class No extends Ra{constructor(t,e,i=2*e,s){super(new Wn,s),this.isBatchedMesh=!0,this.perObjectFrustumCulled=!0,this.sortObjects=!0,this.boundingBox=null,this.boundingSphere=null,this.customSort=null,this._instanceInfo=[],this._geometryInfo=[],this._availableInstanceIds=[],this._availableGeometryIds=[],this._nextIndexStart=0,this._nextVertexStart=0,this._geometryCount=0,this._visibilityChanged=!0,this._geometryInitialized=!1,this._maxInstanceCount=t,this._maxVertexCount=e,this._maxIndexCount=i,this._multiDrawCounts=new Int32Array(t),this._multiDrawStarts=new Int32Array(t),this._multiDrawCount=0,this._matricesTexture=null,this._indirectTexture=null,this._colorsTexture=null,this._initMatricesTexture(),this._initIndirectTexture()}get maxInstanceCount(){return this._maxInstanceCount}get instanceCount(){return this._instanceInfo.length-this._availableInstanceIds.length}get unusedVertexCount(){return this._maxVertexCount-this._nextVertexStart}get unusedIndexCount(){return this._maxIndexCount-this._nextIndexStart}_initMatricesTexture(){let t=Math.sqrt(4*this._maxInstanceCount);t=4*Math.ceil(t/4),t=Math.max(t,4);const e=new Float32Array(t*t*4),i=new Xa(e,t,t,Ut,Pt);this._matricesTexture=i}_initIndirectTexture(){let t=Math.sqrt(this._maxInstanceCount);t=Math.ceil(t);const e=new Uint32Array(t*t),i=new Xa(e,t,t,Ht,Ot);this._indirectTexture=i}_initColorsTexture(){let t=Math.sqrt(this._maxInstanceCount);t=Math.ceil(t);const e=new Float32Array(t*t*4).fill(1),i=new Xa(e,t,t,Ut,Pt);i.colorSpace=Rs.workingColorSpace,this._colorsTexture=i}_initializeGeometry(t){const e=this.geometry,i=this._maxVertexCount,s=this._maxIndexCount;if(!1===this._geometryInitialized){for(const s in t.attributes){const r=t.getAttribute(s),{array:n,itemSize:a,normalized:o}=r,h=new n.constructor(i*a),l=new Mn(h,a,o);e.setAttribute(s,l)}if(null!==t.getIndex()){const t=i>65535?new Uint32Array(s):new Uint16Array(s);e.setIndex(new Mn(t,1))}this._geometryInitialized=!0}}_validateGeometry(t){const e=this.geometry;if(Boolean(t.getIndex())!==Boolean(e.getIndex()))throw new Error('THREE.BatchedMesh: All geometries must consistently have "index".');for(const i in e.attributes){if(!t.hasAttribute(i))throw new Error(`THREE.BatchedMesh: Added geometry missing "${i}". All geometries must have consistent attributes.`);const s=t.getAttribute(i),r=e.getAttribute(i);if(s.itemSize!==r.itemSize||s.normalized!==r.normalized)throw new Error("THREE.BatchedMesh: All attributes must have a consistent itemSize and normalized value.")}}validateInstanceId(t){const e=this._instanceInfo;if(t<0||t>=e.length||!1===e[t].active)throw new Error(`THREE.BatchedMesh: Invalid instanceId ${t}. Instance is either out of range or has been deleted.`)}validateGeometryId(t){const e=this._geometryInfo;if(t<0||t>=e.length||!1===e[t].active)throw new Error(`THREE.BatchedMesh: Invalid geometryId ${t}. Geometry is either out of range or has been deleted.`)}setCustomSort(t){return this.customSort=t,this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new Qr);const t=this.boundingBox,e=this._instanceInfo;t.makeEmpty();for(let i=0,s=e.length;i<s;i++){if(!1===e[i].active)continue;const s=e[i].geometryIndex;this.getMatrixAt(i,Mo),this.getBoundingBoxAt(s,To).applyMatrix4(Mo),t.union(To)}}computeBoundingSphere(){null===this.boundingSphere&&(this.boundingSphere=new En);const t=this.boundingSphere,e=this._instanceInfo;t.makeEmpty();for(let i=0,s=e.length;i<s;i++){if(!1===e[i].active)continue;const s=e[i].geometryIndex;this.getMatrixAt(i,Mo),this.getBoundingSphereAt(s,zo).applyMatrix4(Mo),t.union(zo)}}addInstance(t){if(this._instanceInfo.length>=this.maxInstanceCount&&0===this._availableInstanceIds.length)throw new Error("THREE.BatchedMesh: Maximum item count reached.");const e={visible:!0,active:!0,geometryIndex:t};let i=null;this._availableInstanceIds.length>0?(this._availableInstanceIds.sort(xo),i=this._availableInstanceIds.shift(),this._instanceInfo[i]=e):(i=this._instanceInfo.length,this._instanceInfo.push(e));const s=this._matricesTexture;Mo.identity().toArray(s.image.data,16*i),s.needsUpdate=!0;const r=this._colorsTexture;return r&&(So.toArray(r.image.data,4*i),r.needsUpdate=!0),this._visibilityChanged=!0,i}addGeometry(t,e=-1,i=-1){this._initializeGeometry(t),this._validateGeometry(t);const s={vertexStart:-1,vertexCount:-1,reservedVertexCount:-1,indexStart:-1,indexCount:-1,reservedIndexCount:-1,start:-1,count:-1,boundingBox:null,boundingSphere:null,active:!0},r=this._geometryInfo;s.vertexStart=this._nextVertexStart,s.reservedVertexCount=-1===e?t.getAttribute("position").count:e;const n=t.getIndex();if(null!==n&&(s.indexStart=this._nextIndexStart,s.reservedIndexCount=-1===i?n.count:i),-1!==s.indexStart&&s.indexStart+s.reservedIndexCount>this._maxIndexCount||s.vertexStart+s.reservedVertexCount>this._maxVertexCount)throw new Error("THREE.BatchedMesh: Reserved space request exceeds the maximum buffer size.");let a;return this._availableGeometryIds.length>0?(this._availableGeometryIds.sort(xo),a=this._availableGeometryIds.shift(),r[a]=s):(a=this._geometryCount,this._geometryCount++,r.push(s)),this.setGeometryAt(a,t),this._nextIndexStart=s.indexStart+s.reservedIndexCount,this._nextVertexStart=s.vertexStart+s.reservedVertexCount,a}setGeometryAt(t,e){if(t>=this._geometryCount)throw new Error("THREE.BatchedMesh: Maximum geometry count reached.");this._validateGeometry(e);const i=this.geometry,s=null!==i.getIndex(),r=i.getIndex(),n=e.getIndex(),a=this._geometryInfo[t];if(s&&n.count>a.reservedIndexCount||e.attributes.position.count>a.reservedVertexCount)throw new Error("THREE.BatchedMesh: Reserved space not large enough for provided geometry.");const o=a.vertexStart,h=a.reservedVertexCount;a.vertexCount=e.getAttribute("position").count;for(const t in i.attributes){const s=e.getAttribute(t),r=i.getAttribute(t);Ro(s,r,o);const n=s.itemSize;for(let t=s.count,e=h;t<e;t++){const e=o+t;for(let t=0;t<n;t++)r.setComponent(e,t,0)}r.needsUpdate=!0,r.addUpdateRange(o*n,h*n)}if(s){const t=a.indexStart,i=a.reservedIndexCount;a.indexCount=e.getIndex().count;for(let e=0;e<n.count;e++)r.setX(t+e,o+n.getX(e));for(let e=n.count,s=i;e<s;e++)r.setX(t+e,o);r.needsUpdate=!0,r.addUpdateRange(t,a.reservedIndexCount)}return a.start=s?a.indexStart:a.vertexStart,a.count=s?a.indexCount:a.vertexCount,a.boundingBox=null,null!==e.boundingBox&&(a.boundingBox=e.boundingBox.clone()),a.boundingSphere=null,null!==e.boundingSphere&&(a.boundingSphere=e.boundingSphere.clone()),this._visibilityChanged=!0,t}deleteGeometry(t){const e=this._geometryInfo;if(t>=e.length||!1===e[t].active)return this;const i=this._instanceInfo;for(let e=0,s=i.length;e<s;e++)i[e].active&&i[e].geometryIndex===t&&this.deleteInstance(e);return e[t].active=!1,this._availableGeometryIds.push(t),this._visibilityChanged=!0,this}deleteInstance(t){return this.validateInstanceId(t),this._instanceInfo[t].active=!1,this._availableInstanceIds.push(t),this._visibilityChanged=!0,this}optimize(){let t=0,e=0;const i=this._geometryInfo,s=i.map((t,e)=>e).sort((t,e)=>i[t].vertexStart-i[e].vertexStart),r=this.geometry;for(let n=0,a=i.length;n<a;n++){const a=s[n],o=i[a];if(!1!==o.active){if(null!==r.index){if(o.indexStart!==e){const{indexStart:i,vertexStart:s,reservedIndexCount:n}=o,a=r.index,h=a.array,l=t-s;for(let t=i;t<i+n;t++)h[t]=h[t]+l;a.array.copyWithin(e,i,i+n),a.addUpdateRange(e,n),a.needsUpdate=!0,o.indexStart=e}e+=o.reservedIndexCount}if(o.vertexStart!==t){const{vertexStart:e,reservedVertexCount:i}=o,s=r.attributes;for(const r in s){const n=s[r],{array:a,itemSize:o}=n;a.copyWithin(t*o,e*o,(e+i)*o),n.addUpdateRange(t*o,i*o),n.needsUpdate=!0}o.vertexStart=t}t+=o.reservedVertexCount,o.start=r.index?o.indexStart:o.vertexStart}}return this._nextIndexStart=e,this._nextVertexStart=t,this._visibilityChanged=!0,this}getBoundingBoxAt(t,e){if(t>=this._geometryCount)return null;const i=this.geometry,s=this._geometryInfo[t];if(null===s.boundingBox){const t=new Qr,e=i.index,r=i.attributes.position;for(let i=s.start,n=s.start+s.count;i<n;i++){let s=i;e&&(s=e.getX(s)),t.expandByPoint(Co.fromBufferAttribute(r,s))}s.boundingBox=t}return e.copy(s.boundingBox),e}getBoundingSphereAt(t,e){if(t>=this._geometryCount)return null;const i=this.geometry,s=this._geometryInfo[t];if(null===s.boundingSphere){const e=new En;this.getBoundingBoxAt(t,To),To.getCenter(e.center);const r=i.index,n=i.attributes.position;let a=0;for(let t=s.start,i=s.start+s.count;t<i;t++){let i=t;r&&(i=r.getX(i)),Co.fromBufferAttribute(n,i),a=Math.max(a,e.center.distanceToSquared(Co))}e.radius=Math.sqrt(a),s.boundingSphere=e}return e.copy(s.boundingSphere),e}setMatrixAt(t,e){this.validateInstanceId(t);const i=this._matricesTexture,s=this._matricesTexture.image.data;return e.toArray(s,16*t),i.needsUpdate=!0,this}getMatrixAt(t,e){return this.validateInstanceId(t),e.fromArray(this._matricesTexture.image.data,16*t)}setColorAt(t,e){return this.validateInstanceId(t),null===this._colorsTexture&&this._initColorsTexture(),e.toArray(this._colorsTexture.image.data,4*t),this._colorsTexture.needsUpdate=!0,this}getColorAt(t,e){return this.validateInstanceId(t),null===this._colorsTexture?e.isVector4?e.set(1,1,1,1):e.setRGB(1,1,1):e.fromArray(this._colorsTexture.image.data,4*t)}setVisibleAt(t,e){return this.validateInstanceId(t),this._instanceInfo[t].visible===e||(this._instanceInfo[t].visible=e,this._visibilityChanged=!0),this}getVisibleAt(t){return this.validateInstanceId(t),this._instanceInfo[t].visible}setGeometryIdAt(t,e){return this.validateInstanceId(t),this.validateGeometryId(e),this._instanceInfo[t].geometryIndex=e,this}getGeometryIdAt(t){return this.validateInstanceId(t),this._instanceInfo[t].geometryIndex}getGeometryRangeAt(t,e={}){this.validateGeometryId(t);const i=this._geometryInfo[t];return e.vertexStart=i.vertexStart,e.vertexCount=i.vertexCount,e.reservedVertexCount=i.reservedVertexCount,e.indexStart=i.indexStart,e.indexCount=i.indexCount,e.reservedIndexCount=i.reservedIndexCount,e.start=i.start,e.count=i.count,e}setInstanceCount(t){const e=this._availableInstanceIds,i=this._instanceInfo;for(e.sort(xo);e[e.length-1]===i.length-1;)i.pop(),e.pop();if(t<i.length)throw new Error(`THREE.BatchedMesh: Instance ids outside the range ${t} are being used. Cannot shrink instance count.`);const s=new Int32Array(t),r=new Int32Array(t);Eo(this._multiDrawCounts,s),Eo(this._multiDrawStarts,r),this._multiDrawCounts=s,this._multiDrawStarts=r,this._maxInstanceCount=t;const n=this._indirectTexture,a=this._matricesTexture,o=this._colorsTexture;n.dispose(),this._initIndirectTexture(),Eo(n.image.data,this._indirectTexture.image.data),a.dispose(),this._initMatricesTexture(),Eo(a.image.data,this._matricesTexture.image.data),o&&(o.dispose(),this._initColorsTexture(),Eo(o.image.data,this._colorsTexture.image.data))}setGeometrySize(t,e){const i=[...this._geometryInfo].filter(t=>t.active);if(Math.max(...i.map(t=>t.vertexStart+t.reservedVertexCount))>t)throw new Error(`THREE.BatchedMesh: Geometry vertex values are being used outside the range ${e}. Cannot shrink further.`);if(this.geometry.index){if(Math.max(...i.map(t=>t.indexStart+t.reservedIndexCount))>e)throw new Error(`THREE.BatchedMesh: Geometry index values are being used outside the range ${e}. Cannot shrink further.`)}const s=this.geometry;s.dispose(),this._maxVertexCount=t,this._maxIndexCount=e,this._geometryInitialized&&(this._geometryInitialized=!1,this.geometry=new Wn,this._initializeGeometry(s));const r=this.geometry;s.index&&Eo(s.index.array,r.index.array);for(const t in s.attributes)Eo(s.attributes[t].array,r.attributes[t].array)}raycast(t,e){const i=this._instanceInfo,s=this._geometryInfo,r=this.matrixWorld,n=this.geometry;Oo.material=this.material,Oo.geometry.index=n.index,Oo.geometry.attributes=n.attributes,null===Oo.geometry.boundingBox&&(Oo.geometry.boundingBox=new Qr),null===Oo.geometry.boundingSphere&&(Oo.geometry.boundingSphere=new En);for(let n=0,a=i.length;n<a;n++){if(!i[n].visible||!i[n].active)continue;const a=i[n].geometryIndex,o=s[a];Oo.geometry.setDrawRange(o.start,o.count),this.getMatrixAt(n,Oo.matrixWorld).premultiply(r),this.getBoundingBoxAt(a,Oo.geometry.boundingBox),this.getBoundingSphereAt(a,Oo.geometry.boundingSphere),Oo.raycast(t,Po);for(let t=0,i=Po.length;t<i;t++){const i=Po[t];i.object=this,i.batchId=n,e.push(i)}Po.length=0}Oo.material=null,Oo.geometry.index=null,Oo.geometry.attributes={},Oo.geometry.setDrawRange(0,1/0)}copy(t){return super.copy(t),this.geometry=t.geometry.clone(),this.perObjectFrustumCulled=t.perObjectFrustumCulled,this.sortObjects=t.sortObjects,this.boundingBox=null!==t.boundingBox?t.boundingBox.clone():null,this.boundingSphere=null!==t.boundingSphere?t.boundingSphere.clone():null,this._geometryInfo=t._geometryInfo.map(t=>({...t,boundingBox:null!==t.boundingBox?t.boundingBox.clone():null,boundingSphere:null!==t.boundingSphere?t.boundingSphere.clone():null})),this._instanceInfo=t._instanceInfo.map(t=>({...t})),this._availableInstanceIds=t._availableInstanceIds.slice(),this._availableGeometryIds=t._availableGeometryIds.slice(),this._nextIndexStart=t._nextIndexStart,this._nextVertexStart=t._nextVertexStart,this._geometryCount=t._geometryCount,this._maxInstanceCount=t._maxInstanceCount,this._maxVertexCount=t._maxVertexCount,this._maxIndexCount=t._maxIndexCount,this._geometryInitialized=t._geometryInitialized,this._multiDrawCounts=t._multiDrawCounts.slice(),this._multiDrawStarts=t._multiDrawStarts.slice(),this._indirectTexture=t._indirectTexture.clone(),this._indirectTexture.image.data=this._indirectTexture.image.data.slice(),this._matricesTexture=t._matricesTexture.clone(),this._matricesTexture.image.data=this._matricesTexture.image.data.slice(),null!==this._colorsTexture&&(this._colorsTexture=t._colorsTexture.clone(),this._colorsTexture.image.data=this._colorsTexture.image.data.slice()),this}dispose(){this.geometry.dispose(),this._matricesTexture.dispose(),this._matricesTexture=null,this._indirectTexture.dispose(),this._indirectTexture=null,null!==this._colorsTexture&&(this._colorsTexture.dispose(),this._colorsTexture=null)}onBeforeRender(t,e,i,s,r){if(!this._visibilityChanged&&!this.perObjectFrustumCulled&&!this.sortObjects)return;const n=s.getIndex();let a=null===n?1:n.array.BYTES_PER_ELEMENT,o=1;r.wireframe&&(o=2,a=s.attributes.position.count>65535?4:2);const h=this._instanceInfo,l=this._multiDrawStarts,c=this._multiDrawCounts,u=this._geometryInfo,d=this.perObjectFrustumCulled,p=this._indirectTexture,m=p.image.data,y=i.isArrayCamera?Ao:_o;d&&!i.isArrayCamera&&(Mo.multiplyMatrices(i.projectionMatrix,i.matrixWorldInverse).multiply(this.matrixWorld),_o.setFromProjectionMatrix(Mo,i.coordinateSystem,i.reversedDepth));let g=0;if(this.sortObjects){Mo.copy(this.matrixWorld).invert(),Co.setFromMatrixPosition(i.matrixWorld).applyMatrix4(Mo),Io.set(0,0,-1).transformDirection(i.matrixWorld).transformDirection(Mo);for(let t=0,e=h.length;t<e;t++)if(h[t].visible&&h[t].active){const e=h[t].geometryIndex;this.getMatrixAt(t,Mo),this.getBoundingSphereAt(e,zo).applyMatrix4(Mo);let s=!1;if(d&&(s=!y.intersectsSphere(zo,i)),!s){const i=u[e],s=Bo.subVectors(zo.center,Co).dot(Io);ko.push(i.start,i.count,s,t)}}const t=ko.list,e=this.customSort;null===e?t.sort(r.transparent?vo:bo):e.call(this,t,i);for(let e=0,i=t.length;e<i;e++){const i=t[e];l[g]=i.start*a*o,c[g]=i.count*o,m[g]=i.index,g++}ko.reset()}else for(let t=0,e=h.length;t<e;t++)if(h[t].visible&&h[t].active){const e=h[t].geometryIndex;let s=!1;if(d&&(this.getMatrixAt(t,Mo),this.getBoundingSphereAt(e,zo).applyMatrix4(Mo),s=!y.intersectsSphere(zo,i)),!s){const i=u[e];l[g]=i.start*a*o,c[g]=i.count*o,m[g]=t,g++}}p.needsUpdate=!0,this._multiDrawCount=g,this._visibilityChanged=!1}onBeforeShadow(t,e,i,s,r,n){this.onBeforeRender(t,null,s,r,n)}}class Vo extends Zn{constructor(t){super(),this.isLineBasicMaterial=!0,this.type="LineBasicMaterial",this.color=new Pr(16777215),this.map=null,this.linewidth=1,this.linecap="round",this.linejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.linewidth=t.linewidth,this.linecap=t.linecap,this.linejoin=t.linejoin,this.fog=t.fog,this}}const Fo=new Ts,Lo=new Ts,Do=new Qs,jo=new wa,Uo=new En,Wo=new Ts,Jo=new Ts;class qo extends Ar{constructor(t=new Wn,e=new Vo){super(),this.isLine=!0,this.type="Line",this.geometry=t,this.material=e,this.morphTargetDictionary=void 0,this.morphTargetInfluences=void 0,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),this.material=Array.isArray(t.material)?t.material.slice():t.material,this.geometry=t.geometry,this}computeLineDistances(){const t=this.geometry;if(null===t.index){const e=t.attributes.position,i=[0];for(let t=1,s=e.count;t<s;t++)Fo.fromBufferAttribute(e,t-1),Lo.fromBufferAttribute(e,t),i[t]=i[t-1],i[t]+=Fo.distanceTo(Lo);t.setAttribute("lineDistance",new kn(i,1))}else as("Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}raycast(t,e){const i=this.geometry,s=this.matrixWorld,r=t.params.Line.threshold,n=i.drawRange;if(null===i.boundingSphere&&i.computeBoundingSphere(),Uo.copy(i.boundingSphere),Uo.applyMatrix4(s),Uo.radius+=r,!1===t.ray.intersectsSphere(Uo))return;Do.copy(s).invert(),jo.copy(t.ray).applyMatrix4(Do);const a=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a,h=this.isLineSegments?2:1,l=i.index,c=i.attributes.position;if(null!==l){const i=Math.max(0,n.start),s=Math.min(l.count,n.start+n.count);for(let r=i,n=s-1;r<n;r+=h){const i=l.getX(r),s=l.getX(r+1),n=Ho(this,t,jo,o,i,s,r);n&&e.push(n)}if(this.isLineLoop){const r=l.getX(s-1),n=l.getX(i),a=Ho(this,t,jo,o,r,n,s-1);a&&e.push(a)}}else{const i=Math.max(0,n.start),s=Math.min(c.count,n.start+n.count);for(let r=i,n=s-1;r<n;r+=h){const i=Ho(this,t,jo,o,r,r+1,r);i&&e.push(i)}if(this.isLineLoop){const r=Ho(this,t,jo,o,s-1,i,s-1);r&&e.push(r)}}}updateMorphTargets(){const t=this.geometry.morphAttributes,e=Object.keys(t);if(e.length>0){const i=t[e[0]];if(void 0!==i){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=i.length;t<e;t++){const e=i[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[e]=t}}}}}function Ho(t,e,i,s,r,n,a){const o=t.geometry.attributes.position;Fo.fromBufferAttribute(o,r),Lo.fromBufferAttribute(o,n);if(i.distanceSqToSegment(Fo,Lo,Wo,Jo)>s)return;Wo.applyMatrix4(t.matrixWorld);const h=e.ray.origin.distanceTo(Wo);return h<e.near||h>e.far?void 0:{distance:h,point:Jo.clone().applyMatrix4(t.matrixWorld),index:a,face:null,faceIndex:null,barycoord:null,object:t}}const Xo=new Ts,Yo=new Ts;class Zo extends qo{constructor(t,e){super(t,e),this.isLineSegments=!0,this.type="LineSegments"}computeLineDistances(){const t=this.geometry;if(null===t.index){const e=t.attributes.position,i=[];for(let t=0,s=e.count;t<s;t+=2)Xo.fromBufferAttribute(e,t),Yo.fromBufferAttribute(e,t+1),i[t]=0===t?0:i[t-1],i[t+1]=i[t]+Xo.distanceTo(Yo);t.setAttribute("lineDistance",new kn(i,1))}else as("LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}}class Go extends qo{constructor(t,e){super(t,e),this.isLineLoop=!0,this.type="LineLoop"}}class $o extends Zn{constructor(t){super(),this.isPointsMaterial=!0,this.type="PointsMaterial",this.color=new Pr(16777215),this.map=null,this.alphaMap=null,this.size=1,this.sizeAttenuation=!0,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.alphaMap=t.alphaMap,this.size=t.size,this.sizeAttenuation=t.sizeAttenuation,this.fog=t.fog,this}}const Qo=new Qs,Ko=new wa,th=new En,eh=new Ts;class ih extends Ar{constructor(t=new Wn,e=new $o){super(),this.isPoints=!0,this.type="Points",this.geometry=t,this.material=e,this.morphTargetDictionary=void 0,this.morphTargetInfluences=void 0,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),this.material=Array.isArray(t.material)?t.material.slice():t.material,this.geometry=t.geometry,this}raycast(t,e){const i=this.geometry,s=this.matrixWorld,r=t.params.Points.threshold,n=i.drawRange;if(null===i.boundingSphere&&i.computeBoundingSphere(),th.copy(i.boundingSphere),th.applyMatrix4(s),th.radius+=r,!1===t.ray.intersectsSphere(th))return;Qo.copy(s).invert(),Ko.copy(t.ray).applyMatrix4(Qo);const a=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a,h=i.index,l=i.attributes.position;if(null!==h){for(let i=Math.max(0,n.start),r=Math.min(h.count,n.start+n.count);i<r;i++){const r=h.getX(i);eh.fromBufferAttribute(l,r),sh(eh,r,o,s,t,e,this)}}else{for(let i=Math.max(0,n.start),r=Math.min(l.count,n.start+n.count);i<r;i++)eh.fromBufferAttribute(l,i),sh(eh,i,o,s,t,e,this)}}updateMorphTargets(){const t=this.geometry.morphAttributes,e=Object.keys(t);if(e.length>0){const i=t[e[0]];if(void 0!==i){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=i.length;t<e;t++){const e=i[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[e]=t}}}}}function sh(t,e,i,s,r,n,a){const o=Ko.distanceSqToPoint(t);if(o<i){const i=new Ts;Ko.closestPointToPoint(t,i),i.applyMatrix4(s);const h=r.ray.origin.distanceTo(i);if(h<r.near||h>r.far)return;n.push({distance:h,distanceToRay:Math.sqrt(o),point:i,index:e,face:null,faceIndex:null,barycoord:null,object:a})}}class rh extends Js{constructor(t,e,i,s,r=1006,n=1006,a,o,h){super(t,e,i,s,r,n,a,o,h),this.isVideoTexture=!0,this.generateMipmaps=!1,this._requestVideoFrameCallbackId=0;const l=this;"requestVideoFrameCallback"in t&&(this._requestVideoFrameCallbackId=t.requestVideoFrameCallback(function e(){l.needsUpdate=!0,l._requestVideoFrameCallbackId=t.requestVideoFrameCallback(e)}))}clone(){return new this.constructor(this.image).copy(this)}update(){const t=this.image;!1==="requestVideoFrameCallback"in t&&t.readyState>=t.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}dispose(){0!==this._requestVideoFrameCallbackId&&(this.source.data.cancelVideoFrameCallback(this._requestVideoFrameCallbackId),this._requestVideoFrameCallbackId=0),super.dispose()}}class nh extends rh{constructor(t,e,i,s,r,n,a,o){super({},t,e,i,s,r,n,a,o),this.isVideoFrameTexture=!0}update(){}clone(){return(new this.constructor).copy(this)}setFrame(t){this.image=t,this.needsUpdate=!0}}class ah extends Js{constructor(t,e){super({width:t,height:e}),this.isFramebufferTexture=!0,this.magFilter=ft,this.minFilter=ft,this.generateMipmaps=!1,this.needsUpdate=!0}}class oh extends Js{constructor(t,e,i,s,r,n,a,o,h,l,c,u){super(null,n,a,o,h,l,s,r,c,u),this.isCompressedTexture=!0,this.image={width:e,height:i},this.mipmaps=t,this.flipY=!1,this.generateMipmaps=!1}}class hh extends oh{constructor(t,e,i,s,r,n){super(t,e,i,r,n),this.isCompressedArrayTexture=!0,this.image.depth=s,this.wrapR=yt,this.layerUpdates=new Set}addLayerUpdate(t){this.layerUpdates.add(t)}clearLayerUpdates(){this.layerUpdates.clear()}}class lh extends oh{constructor(t,e,i){super(void 0,t[0].width,t[0].height,e,i,lt),this.isCompressedCubeTexture=!0,this.isCubeTexture=!0,this.image=t}}class ch extends Js{constructor(t=[],e=301,i,s,r,n,a,o,h,l){super(t,e,i,s,r,n,a,o,h,l),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(t){this.image=t}}class uh extends Js{constructor(t,e,i,s,r,n,a,o,h){super(t,e,i,s,r,n,a,o,h),this.isCanvasTexture=!0,this.needsUpdate=!0}}class dh extends Js{constructor(t,e,i,s,r,n,a,o,h){super(t,e,i,s,r,n,a,o,h),this.isHTMLTexture=!0,this.generateMipmaps=!1,this.needsUpdate=!0;const l=t?t.parentNode:null;null!==l&&"requestPaint"in l&&(l.onpaint=()=>{this.needsUpdate=!0},l.requestPaint())}dispose(){const t=this.image?this.image.parentNode:null;null!==t&&"onpaint"in t&&(t.onpaint=null),super.dispose()}}class ph extends Js{constructor(t,e,i=1014,s,r,n,a=1003,o=1003,h,l=1026,c=1){if(l!==Wt&&1027!==l)throw new Error("THREE.DepthTexture: format must be either THREE.DepthFormat or THREE.DepthStencilFormat");super({width:t,height:e,depth:c},s,r,n,a,o,l,i,h),this.isDepthTexture=!0,this.flipY=!1,this.generateMipmaps=!1,this.compareFunction=null}copy(t){return super.copy(t),this.source=new Ds(Object.assign({},t.image)),this.compareFunction=t.compareFunction,this}toJSON(t){const e=super.toJSON(t);return null!==this.compareFunction&&(e.compareFunction=this.compareFunction),e}}class mh extends ph{constructor(t,e=1014,i=301,s,r,n=1003,a=1003,o,h=1026){const l={width:t,height:t,depth:1},c=[l,l,l,l,l,l];super(t,t,e,i,s,r,n,a,o,h),this.image=c,this.isCubeDepthTexture=!0,this.isCubeTexture=!0}get images(){return this.image}set images(t){this.image=t}}class yh extends Js{constructor(t=null){super(),this.sourceTexture=t,this.isExternalTexture=!0}copy(t){return super.copy(t),this.sourceTexture=t.sourceTexture,this}}class gh extends Wn{constructor(t=1,e=1,i=1,s=1,r=1,n=1){super(),this.type="BoxGeometry",this.parameters={width:t,height:e,depth:i,widthSegments:s,heightSegments:r,depthSegments:n};const a=this;s=Math.floor(s),r=Math.floor(r),n=Math.floor(n);const o=[],h=[],l=[],c=[];let u=0,d=0;function p(t,e,i,s,r,n,p,m,y,g,f){const x=n/y,b=p/g,v=n/2,w=p/2,M=m/2,S=y+1,_=g+1;let A=0,T=0;const z=new Ts;for(let n=0;n<_;n++){const a=n*b-w;for(let o=0;o<S;o++){const u=o*x-v;z[t]=u*s,z[e]=a*r,z[i]=M,h.push(z.x,z.y,z.z),z[t]=0,z[e]=0,z[i]=m>0?1:-1,l.push(z.x,z.y,z.z),c.push(o/y),c.push(1-n/g),A+=1}}for(let t=0;t<g;t++)for(let e=0;e<y;e++){const i=u+e+S*t,s=u+e+S*(t+1),r=u+(e+1)+S*(t+1),n=u+(e+1)+S*t;o.push(i,s,n),o.push(s,r,n),T+=6}a.addGroup(d,T,f),d+=T,u+=A}p("z","y","x",-1,-1,i,e,t,n,r,0),p("z","y","x",1,-1,i,e,-t,n,r,1),p("x","z","y",1,1,t,i,e,s,n,2),p("x","z","y",1,-1,t,i,-e,s,n,3),p("x","y","z",1,-1,t,e,i,s,r,4),p("x","y","z",-1,-1,t,e,-i,s,r,5),this.setIndex(o),this.setAttribute("position",new kn(h,3)),this.setAttribute("normal",new kn(l,3)),this.setAttribute("uv",new kn(c,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new gh(t.width,t.height,t.depth,t.widthSegments,t.heightSegments,t.depthSegments)}}class fh extends Wn{constructor(t=1,e=1,i=4,s=8,r=1){super(),this.type="CapsuleGeometry",this.parameters={radius:t,height:e,capSegments:i,radialSegments:s,heightSegments:r},e=Math.max(0,e),i=Math.max(1,Math.floor(i)),s=Math.max(3,Math.floor(s)),r=Math.max(1,Math.floor(r));const n=[],a=[],o=[],h=[],l=e/2,c=Math.PI/2*t,u=e,d=2*c+u,p=2*i+r,m=s+1,y=new Ts,g=new Ts;for(let f=0;f<=p;f++){let x=0,b=0,v=0,w=0;if(f<=i){const e=f/i,s=e*Math.PI/2;b=-l-t*Math.cos(s),v=t*Math.sin(s),w=-t*Math.cos(s),x=e*c}else if(f<=i+r){const s=(f-i)/r;b=s*e-l,v=t,w=0,x=c+s*u}else{const e=(f-i-r)/i,s=e*Math.PI/2;b=l+t*Math.sin(s),v=t*Math.cos(s),w=t*Math.sin(s),x=c+u+e*c}const M=Math.max(0,Math.min(1,x/d));let S=0;0===f?S=.5/s:f===p&&(S=-.5/s);for(let t=0;t<=s;t++){const e=t/s,i=e*Math.PI*2,r=Math.sin(i),n=Math.cos(i);g.x=-v*n,g.y=b,g.z=v*r,a.push(g.x,g.y,g.z),y.set(-v*n,w,v*r),y.normalize(),o.push(y.x,y.y,y.z),h.push(e+S,M)}if(f>0){const t=(f-1)*m;for(let e=0;e<s;e++){const i=t+e,s=t+e+1,r=f*m+e,a=f*m+e+1;n.push(i,s,r),n.push(s,a,r)}}}this.setIndex(n),this.setAttribute("position",new kn(a,3)),this.setAttribute("normal",new kn(o,3)),this.setAttribute("uv",new kn(h,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new fh(t.radius,t.height,t.capSegments,t.radialSegments,t.heightSegments)}}class xh extends Wn{constructor(t=1,e=32,i=0,s=2*Math.PI){super(),this.type="CircleGeometry",this.parameters={radius:t,segments:e,thetaStart:i,thetaLength:s},e=Math.max(3,e);const r=[],n=[],a=[],o=[],h=new Ts,l=new _s;n.push(0,0,0),a.push(0,0,1),o.push(.5,.5);for(let r=0,c=3;r<=e;r++,c+=3){const u=i+r/e*s;h.x=t*Math.cos(u),h.y=t*Math.sin(u),n.push(h.x,h.y,h.z),a.push(0,0,1),l.x=(n[c]/t+1)/2,l.y=(n[c+1]/t+1)/2,o.push(l.x,l.y)}for(let t=1;t<=e;t++)r.push(t,t+1,0);this.setIndex(r),this.setAttribute("position",new kn(n,3)),this.setAttribute("normal",new kn(a,3)),this.setAttribute("uv",new kn(o,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new xh(t.radius,t.segments,t.thetaStart,t.thetaLength)}}class bh extends Wn{constructor(t=1,e=1,i=1,s=32,r=1,n=!1,a=0,o=2*Math.PI){super(),this.type="CylinderGeometry",this.parameters={radiusTop:t,radiusBottom:e,height:i,radialSegments:s,heightSegments:r,openEnded:n,thetaStart:a,thetaLength:o};const h=this;s=Math.floor(s),r=Math.floor(r);const l=[],c=[],u=[],d=[];let p=0;const m=[],y=i/2;let g=0;function f(i){const r=p,n=new _s,m=new Ts;let f=0;const x=!0===i?t:e,b=!0===i?1:-1;for(let t=1;t<=s;t++)c.push(0,y*b,0),u.push(0,b,0),d.push(.5,.5),p++;const v=p;for(let t=0;t<=s;t++){const e=t/s*o+a,i=Math.cos(e),r=Math.sin(e);m.x=x*r,m.y=y*b,m.z=x*i,c.push(m.x,m.y,m.z),u.push(0,b,0),n.x=.5*i+.5,n.y=.5*r*b+.5,d.push(n.x,n.y),p++}for(let t=0;t<s;t++){const e=r+t,s=v+t;!0===i?l.push(s,s+1,e):l.push(s+1,s,e),f+=3}h.addGroup(g,f,!0===i?1:2),g+=f}!function(){const n=new Ts,f=new Ts;let x=0;const b=(e-t)/i;for(let h=0;h<=r;h++){const l=[],g=h/r,x=g*(e-t)+t;for(let t=0;t<=s;t++){const e=t/s,r=e*o+a,h=Math.sin(r),m=Math.cos(r);f.x=x*h,f.y=-g*i+y,f.z=x*m,c.push(f.x,f.y,f.z),n.set(h,b,m).normalize(),u.push(n.x,n.y,n.z),d.push(e,1-g),l.push(p++)}m.push(l)}for(let i=0;i<s;i++)for(let s=0;s<r;s++){const n=m[s][i],a=m[s+1][i],o=m[s+1][i+1],h=m[s][i+1];(t>0||0!==s)&&(l.push(n,a,h),x+=3),(e>0||s!==r-1)&&(l.push(a,o,h),x+=3)}h.addGroup(g,x,0),g+=x}(),!1===n&&(t>0&&f(!0),e>0&&f(!1)),this.setIndex(l),this.setAttribute("position",new kn(c,3)),this.setAttribute("normal",new kn(u,3)),this.setAttribute("uv",new kn(d,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new bh(t.radiusTop,t.radiusBottom,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class vh extends bh{constructor(t=1,e=1,i=32,s=1,r=!1,n=0,a=2*Math.PI){super(0,t,e,i,s,r,n,a),this.type="ConeGeometry",this.parameters={radius:t,height:e,radialSegments:i,heightSegments:s,openEnded:r,thetaStart:n,thetaLength:a}}static fromJSON(t){return new vh(t.radius,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class wh extends Wn{constructor(t=[],e=[],i=1,s=0){super(),this.type="PolyhedronGeometry",this.parameters={vertices:t,indices:e,radius:i,detail:s};const r=[],n=[];function a(t,e,i,s){const r=s+1,n=[];for(let s=0;s<=r;s++){n[s]=[];const a=t.clone().lerp(i,s/r),o=e.clone().lerp(i,s/r),h=r-s;for(let t=0;t<=h;t++)n[s][t]=0===t&&s===r?a:a.clone().lerp(o,t/h)}for(let t=0;t<r;t++)for(let e=0;e<2*(r-t)-1;e++){const i=Math.floor(e/2);e%2==0?(o(n[t][i+1]),o(n[t+1][i]),o(n[t][i])):(o(n[t][i+1]),o(n[t+1][i+1]),o(n[t+1][i]))}}function o(t){r.push(t.x,t.y,t.z)}function h(e,i){const s=3*e;i.x=t[s+0],i.y=t[s+1],i.z=t[s+2]}function l(t,e,i,s){s<0&&1===t.x&&(n[e]=t.x-1),0===i.x&&0===i.z&&(n[e]=s/2/Math.PI+.5)}function c(t){return Math.atan2(t.z,-t.x)}function u(t){return Math.atan2(-t.y,Math.sqrt(t.x*t.x+t.z*t.z))}!function(t){const i=new Ts,s=new Ts,r=new Ts;for(let n=0;n<e.length;n+=3)h(e[n+0],i),h(e[n+1],s),h(e[n+2],r),a(i,s,r,t)}(s),function(t){const e=new Ts;for(let i=0;i<r.length;i+=3)e.x=r[i+0],e.y=r[i+1],e.z=r[i+2],e.normalize().multiplyScalar(t),r[i+0]=e.x,r[i+1]=e.y,r[i+2]=e.z}(i),function(){const t=new Ts;for(let e=0;e<r.length;e+=3){t.x=r[e+0],t.y=r[e+1],t.z=r[e+2];const i=c(t)/2/Math.PI+.5,s=u(t)/Math.PI+.5;n.push(i,1-s)}(function(){const t=new Ts,e=new Ts,i=new Ts,s=new Ts,a=new _s,o=new _s,h=new _s;for(let u=0,d=0;u<r.length;u+=9,d+=6){t.set(r[u+0],r[u+1],r[u+2]),e.set(r[u+3],r[u+4],r[u+5]),i.set(r[u+6],r[u+7],r[u+8]),a.set(n[d+0],n[d+1]),o.set(n[d+2],n[d+3]),h.set(n[d+4],n[d+5]),s.copy(t).add(e).add(i).divideScalar(3);const p=c(s);l(a,d+0,t,p),l(o,d+2,e,p),l(h,d+4,i,p)}})(),function(){for(let t=0;t<n.length;t+=6){const e=n[t+0],i=n[t+2],s=n[t+4],r=Math.max(e,i,s),a=Math.min(e,i,s);r>.9&&a<.1&&(e<.2&&(n[t+0]+=1),i<.2&&(n[t+2]+=1),s<.2&&(n[t+4]+=1))}}()}(),this.setAttribute("position",new kn(r,3)),this.setAttribute("normal",new kn(r.slice(),3)),this.setAttribute("uv",new kn(n,2)),0===s?this.computeVertexNormals():this.normalizeNormals()}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new wh(t.vertices,t.indices,t.radius,t.detail)}}class Mh extends wh{constructor(t=1,e=0){const i=(1+Math.sqrt(5))/2,s=1/i;super([-1,-1,-1,-1,-1,1,-1,1,-1,-1,1,1,1,-1,-1,1,-1,1,1,1,-1,1,1,1,0,-s,-i,0,-s,i,0,s,-i,0,s,i,-s,-i,0,-s,i,0,s,-i,0,s,i,0,-i,0,-s,i,0,-s,-i,0,s,i,0,s],[3,11,7,3,7,15,3,15,13,7,19,17,7,17,6,7,6,15,17,4,8,17,8,10,17,10,6,8,0,16,8,16,2,8,2,10,0,12,1,0,1,18,0,18,16,6,10,2,6,2,13,6,13,15,2,16,18,2,18,3,2,3,13,18,1,9,18,9,11,18,11,3,4,14,12,4,12,0,4,0,8,11,9,5,11,5,19,11,19,7,19,5,14,19,14,4,19,4,17,1,12,14,1,14,5,1,5,9],t,e),this.type="DodecahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new Mh(t.radius,t.detail)}}const Sh=new Ts,_h=new Ts,Ah=new Ts,Th=new $r;class zh extends Wn{constructor(t=null,e=1){if(super(),this.type="EdgesGeometry",this.parameters={geometry:t,thresholdAngle:e},null!==t){const i=4,s=Math.pow(10,i),r=Math.cos(ys*e),n=t.getIndex(),a=t.getAttribute("position"),o=n?n.count:a.count,h=[0,0,0],l=["a","b","c"],c=new Array(3),u={},d=[];for(let t=0;t<o;t+=3){n?(h[0]=n.getX(t),h[1]=n.getX(t+1),h[2]=n.getX(t+2)):(h[0]=t,h[1]=t+1,h[2]=t+2);const{a:e,b:i,c:o}=Th;if(e.fromBufferAttribute(a,h[0]),i.fromBufferAttribute(a,h[1]),o.fromBufferAttribute(a,h[2]),Th.getNormal(Ah),c[0]=`${Math.round(e.x*s)},${Math.round(e.y*s)},${Math.round(e.z*s)}`,c[1]=`${Math.round(i.x*s)},${Math.round(i.y*s)},${Math.round(i.z*s)}`,c[2]=`${Math.round(o.x*s)},${Math.round(o.y*s)},${Math.round(o.z*s)}`,c[0]!==c[1]&&c[1]!==c[2]&&c[2]!==c[0])for(let t=0;t<3;t++){const e=(t+1)%3,i=c[t],s=c[e],n=Th[l[t]],a=Th[l[e]],o=`${i}_${s}`,p=`${s}_${i}`;p in u&&u[p]?(Ah.dot(u[p].normal)<=r&&(d.push(n.x,n.y,n.z),d.push(a.x,a.y,a.z)),u[p]=null):o in u||(u[o]={index0:h[t],index1:h[e],normal:Ah.clone()})}}for(const t in u)if(u[t]){const{index0:e,index1:i}=u[t];Sh.fromBufferAttribute(a,e),_h.fromBufferAttribute(a,i),d.push(Sh.x,Sh.y,Sh.z),d.push(_h.x,_h.y,_h.z)}this.setAttribute("position",new kn(d,3))}}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}}class Ch{constructor(){this.type="Curve",this.arcLengthDivisions=200,this.needsUpdate=!1,this.cacheArcLengths=null}getPoint(){as("Curve: .getPoint() not implemented.")}getPointAt(t,e){const i=this.getUtoTmapping(t);return this.getPoint(i,e)}getPoints(t=5){const e=[];for(let i=0;i<=t;i++)e.push(this.getPoint(i/t));return e}getSpacedPoints(t=5){const e=[];for(let i=0;i<=t;i++)e.push(this.getPointAt(i/t));return e}getLength(){const t=this.getLengths();return t[t.length-1]}getLengths(t=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===t+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;const e=[];let i,s=this.getPoint(0),r=0;e.push(0);for(let n=1;n<=t;n++)i=this.getPoint(n/t),r+=i.distanceTo(s),e.push(r),s=i;return this.cacheArcLengths=e,e}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(t,e=null){const i=this.getLengths();let s=0;const r=i.length;let n;n=e||t*i[r-1];let a,o=0,h=r-1;for(;o<=h;)if(s=Math.floor(o+(h-o)/2),a=i[s]-n,a<0)o=s+1;else{if(!(a>0)){h=s;break}h=s-1}if(s=h,i[s]===n)return s/(r-1);const l=i[s];return(s+(n-l)/(i[s+1]-l))/(r-1)}getTangent(t,e){const i=1e-4;let s=t-i,r=t+i;s<0&&(s=0),r>1&&(r=1);const n=this.getPoint(s),a=this.getPoint(r),o=e||(n.isVector2?new _s:new Ts);return o.copy(a).sub(n).normalize(),o}getTangentAt(t,e){const i=this.getUtoTmapping(t);return this.getTangent(i,e)}computeFrenetFrames(t,e=!1){const i=new Ts,s=[],r=[],n=[],a=new Ts,o=new Qs;for(let e=0;e<=t;e++){const i=e/t;s[e]=this.getTangentAt(i,new Ts)}r[0]=new Ts,n[0]=new Ts;let h=Number.MAX_VALUE;const l=Math.abs(s[0].x),c=Math.abs(s[0].y),u=Math.abs(s[0].z);l<=h&&(h=l,i.set(1,0,0)),c<=h&&(h=c,i.set(0,1,0)),u<=h&&i.set(0,0,1),a.crossVectors(s[0],i).normalize(),r[0].crossVectors(s[0],a),n[0].crossVectors(s[0],r[0]);for(let e=1;e<=t;e++){if(r[e]=r[e-1].clone(),n[e]=n[e-1].clone(),a.crossVectors(s[e-1],s[e]),a.length()>Number.EPSILON){a.normalize();const t=Math.acos(xs(s[e-1].dot(s[e]),-1,1));r[e].applyMatrix4(o.makeRotationAxis(a,t))}n[e].crossVectors(s[e],r[e])}if(!0===e){let e=Math.acos(xs(r[0].dot(r[t]),-1,1));e/=t,s[0].dot(a.crossVectors(r[0],r[t]))>0&&(e=-e);for(let i=1;i<=t;i++)r[i].applyMatrix4(o.makeRotationAxis(s[i],e*i)),n[i].crossVectors(s[i],r[i])}return{tangents:s,normals:r,binormals:n}}clone(){return(new this.constructor).copy(this)}copy(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}toJSON(){const t={metadata:{version:4.7,type:"Curve",generator:"Curve.toJSON"}};return t.arcLengthDivisions=this.arcLengthDivisions,t.type=this.type,t}fromJSON(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}}class Ih extends Ch{constructor(t=0,e=0,i=1,s=1,r=0,n=2*Math.PI,a=!1,o=0){super(),this.isEllipseCurve=!0,this.type="EllipseCurve",this.aX=t,this.aY=e,this.xRadius=i,this.yRadius=s,this.aStartAngle=r,this.aEndAngle=n,this.aClockwise=a,this.aRotation=o}getPoint(t,e=new _s){const i=e,s=2*Math.PI;let r=this.aEndAngle-this.aStartAngle;const n=Math.abs(r)<Number.EPSILON;for(;r<0;)r+=s;for(;r>s;)r-=s;r<Number.EPSILON&&(r=n?0:s),!0!==this.aClockwise||n||(r===s?r=-s:r-=s);const a=this.aStartAngle+t*r;let o=this.aX+this.xRadius*Math.cos(a),h=this.aY+this.yRadius*Math.sin(a);if(0!==this.aRotation){const t=Math.cos(this.aRotation),e=Math.sin(this.aRotation),i=o-this.aX,s=h-this.aY;o=i*t-s*e+this.aX,h=i*e+s*t+this.aY}return i.set(o,h)}copy(t){return super.copy(t),this.aX=t.aX,this.aY=t.aY,this.xRadius=t.xRadius,this.yRadius=t.yRadius,this.aStartAngle=t.aStartAngle,this.aEndAngle=t.aEndAngle,this.aClockwise=t.aClockwise,this.aRotation=t.aRotation,this}toJSON(){const t=super.toJSON();return t.aX=this.aX,t.aY=this.aY,t.xRadius=this.xRadius,t.yRadius=this.yRadius,t.aStartAngle=this.aStartAngle,t.aEndAngle=this.aEndAngle,t.aClockwise=this.aClockwise,t.aRotation=this.aRotation,t}fromJSON(t){return super.fromJSON(t),this.aX=t.aX,this.aY=t.aY,this.xRadius=t.xRadius,this.yRadius=t.yRadius,this.aStartAngle=t.aStartAngle,this.aEndAngle=t.aEndAngle,this.aClockwise=t.aClockwise,this.aRotation=t.aRotation,this}}class Bh extends Ih{constructor(t,e,i,s,r,n){super(t,e,i,i,s,r,n),this.isArcCurve=!0,this.type="ArcCurve"}}function kh(){let t=0,e=0,i=0,s=0;function r(r,n,a,o){t=r,e=a,i=-3*r+3*n-2*a-o,s=2*r-2*n+a+o}return{initCatmullRom:function(t,e,i,s,n){r(e,i,n*(i-t),n*(s-e))},initNonuniformCatmullRom:function(t,e,i,s,n,a,o){let h=(e-t)/n-(i-t)/(n+a)+(i-e)/a,l=(i-e)/a-(s-e)/(a+o)+(s-i)/o;h*=a,l*=a,r(e,i,h,l)},calc:function(r){const n=r*r;return t+e*r+i*n+s*(n*r)}}}const Oh=new Ts,Ph=new Ts,Rh=new kh,Eh=new kh,Nh=new kh;class Vh extends Ch{constructor(t=[],e=!1,i="centripetal",s=.5){super(),this.isCatmullRomCurve3=!0,this.type="CatmullRomCurve3",this.points=t,this.closed=e,this.curveType=i,this.tension=s}getPoint(t,e=new Ts){const i=e,s=this.points,r=s.length,n=(r-(this.closed?0:1))*t;let a,o,h=Math.floor(n),l=n-h;this.closed?h+=h>0?0:(Math.floor(Math.abs(h)/r)+1)*r:0===l&&h===r-1&&(h=r-2,l=1),this.closed||h>0?a=s[(h-1)%r]:(Ph.subVectors(s[0],s[1]).add(s[0]),a=Ph);const c=s[h%r],u=s[(h+1)%r];if(this.closed||h+2<r?o=s[(h+2)%r]:(Oh.subVectors(s[r-1],s[r-2]).add(s[r-1]),o=Oh),"centripetal"===this.curveType||"chordal"===this.curveType){const t="chordal"===this.curveType?.5:.25;let e=Math.pow(a.distanceToSquared(c),t),i=Math.pow(c.distanceToSquared(u),t),s=Math.pow(u.distanceToSquared(o),t);i<1e-4&&(i=1),e<1e-4&&(e=i),s<1e-4&&(s=i),Rh.initNonuniformCatmullRom(a.x,c.x,u.x,o.x,e,i,s),Eh.initNonuniformCatmullRom(a.y,c.y,u.y,o.y,e,i,s),Nh.initNonuniformCatmullRom(a.z,c.z,u.z,o.z,e,i,s)}else"catmullrom"===this.curveType&&(Rh.initCatmullRom(a.x,c.x,u.x,o.x,this.tension),Eh.initCatmullRom(a.y,c.y,u.y,o.y,this.tension),Nh.initCatmullRom(a.z,c.z,u.z,o.z,this.tension));return i.set(Rh.calc(l),Eh.calc(l),Nh.calc(l)),i}copy(t){super.copy(t),this.points=[];for(let e=0,i=t.points.length;e<i;e++){const i=t.points[e];this.points.push(i.clone())}return this.closed=t.closed,this.curveType=t.curveType,this.tension=t.tension,this}toJSON(){const t=super.toJSON();t.points=[];for(let e=0,i=this.points.length;e<i;e++){const i=this.points[e];t.points.push(i.toArray())}return t.closed=this.closed,t.curveType=this.curveType,t.tension=this.tension,t}fromJSON(t){super.fromJSON(t),this.points=[];for(let e=0,i=t.points.length;e<i;e++){const i=t.points[e];this.points.push((new Ts).fromArray(i))}return this.closed=t.closed,this.curveType=t.curveType,this.tension=t.tension,this}}function Fh(t,e,i,s,r){const n=.5*(s-e),a=.5*(r-i),o=t*t;return(2*i-2*s+n+a)*(t*o)+(-3*i+3*s-2*n-a)*o+n*t+i}function Lh(t,e,i,s){return function(t,e){const i=1-t;return i*i*e}(t,e)+function(t,e){return 2*(1-t)*t*e}(t,i)+function(t,e){return t*t*e}(t,s)}function Dh(t,e,i,s,r){return function(t,e){const i=1-t;return i*i*i*e}(t,e)+function(t,e){const i=1-t;return 3*i*i*t*e}(t,i)+function(t,e){return 3*(1-t)*t*t*e}(t,s)+function(t,e){return t*t*t*e}(t,r)}class jh extends Ch{constructor(t=new _s,e=new _s,i=new _s,s=new _s){super(),this.isCubicBezierCurve=!0,this.type="CubicBezierCurve",this.v0=t,this.v1=e,this.v2=i,this.v3=s}getPoint(t,e=new _s){const i=e,s=this.v0,r=this.v1,n=this.v2,a=this.v3;return i.set(Dh(t,s.x,r.x,n.x,a.x),Dh(t,s.y,r.y,n.y,a.y)),i}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this.v3.copy(t.v3),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t.v3=this.v3.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this.v3.fromArray(t.v3),this}}class Uh extends Ch{constructor(t=new Ts,e=new Ts,i=new Ts,s=new Ts){super(),this.isCubicBezierCurve3=!0,this.type="CubicBezierCurve3",this.v0=t,this.v1=e,this.v2=i,this.v3=s}getPoint(t,e=new Ts){const i=e,s=this.v0,r=this.v1,n=this.v2,a=this.v3;return i.set(Dh(t,s.x,r.x,n.x,a.x),Dh(t,s.y,r.y,n.y,a.y),Dh(t,s.z,r.z,n.z,a.z)),i}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this.v3.copy(t.v3),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t.v3=this.v3.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this.v3.fromArray(t.v3),this}}class Wh extends Ch{constructor(t=new _s,e=new _s){super(),this.isLineCurve=!0,this.type="LineCurve",this.v1=t,this.v2=e}getPoint(t,e=new _s){const i=e;return 1===t?i.copy(this.v2):(i.copy(this.v2).sub(this.v1),i.multiplyScalar(t).add(this.v1)),i}getPointAt(t,e){return this.getPoint(t,e)}getTangent(t,e=new _s){return e.subVectors(this.v2,this.v1).normalize()}getTangentAt(t,e){return this.getTangent(t,e)}copy(t){return super.copy(t),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}class Jh extends Ch{constructor(t=new Ts,e=new Ts){super(),this.isLineCurve3=!0,this.type="LineCurve3",this.v1=t,this.v2=e}getPoint(t,e=new Ts){const i=e;return 1===t?i.copy(this.v2):(i.copy(this.v2).sub(this.v1),i.multiplyScalar(t).add(this.v1)),i}getPointAt(t,e){return this.getPoint(t,e)}getTangent(t,e=new Ts){return e.subVectors(this.v2,this.v1).normalize()}getTangentAt(t,e){return this.getTangent(t,e)}copy(t){return super.copy(t),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}class qh extends Ch{constructor(t=new _s,e=new _s,i=new _s){super(),this.isQuadraticBezierCurve=!0,this.type="QuadraticBezierCurve",this.v0=t,this.v1=e,this.v2=i}getPoint(t,e=new _s){const i=e,s=this.v0,r=this.v1,n=this.v2;return i.set(Lh(t,s.x,r.x,n.x),Lh(t,s.y,r.y,n.y)),i}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}class Hh extends Ch{constructor(t=new Ts,e=new Ts,i=new Ts){super(),this.isQuadraticBezierCurve3=!0,this.type="QuadraticBezierCurve3",this.v0=t,this.v1=e,this.v2=i}getPoint(t,e=new Ts){const i=e,s=this.v0,r=this.v1,n=this.v2;return i.set(Lh(t,s.x,r.x,n.x),Lh(t,s.y,r.y,n.y),Lh(t,s.z,r.z,n.z)),i}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}class Xh extends Ch{constructor(t=[]){super(),this.isSplineCurve=!0,this.type="SplineCurve",this.points=t}getPoint(t,e=new _s){const i=e,s=this.points,r=(s.length-1)*t,n=Math.floor(r),a=r-n,o=s[0===n?n:n-1],h=s[n],l=s[n>s.length-2?s.length-1:n+1],c=s[n>s.length-3?s.length-1:n+2];return i.set(Fh(a,o.x,h.x,l.x,c.x),Fh(a,o.y,h.y,l.y,c.y)),i}copy(t){super.copy(t),this.points=[];for(let e=0,i=t.points.length;e<i;e++){const i=t.points[e];this.points.push(i.clone())}return this}toJSON(){const t=super.toJSON();t.points=[];for(let e=0,i=this.points.length;e<i;e++){const i=this.points[e];t.points.push(i.toArray())}return t}fromJSON(t){super.fromJSON(t),this.points=[];for(let e=0,i=t.points.length;e<i;e++){const i=t.points[e];this.points.push((new _s).fromArray(i))}return this}}var Yh=Object.freeze({__proto__:null,ArcCurve:Bh,CatmullRomCurve3:Vh,CubicBezierCurve:jh,CubicBezierCurve3:Uh,EllipseCurve:Ih,LineCurve:Wh,LineCurve3:Jh,QuadraticBezierCurve:qh,QuadraticBezierCurve3:Hh,SplineCurve:Xh});class Zh extends Ch{constructor(){super(),this.type="CurvePath",this.curves=[],this.autoClose=!1}add(t){this.curves.push(t)}closePath(){const t=this.curves[0].getPoint(0),e=this.curves[this.curves.length-1].getPoint(1);if(!t.equals(e)){const i=!0===t.isVector2?"LineCurve":"LineCurve3";this.curves.push(new Yh[i](e,t))}return this}getPoint(t,e){const i=t*this.getLength(),s=this.getCurveLengths();let r=0;for(;r<s.length;){if(s[r]>=i){const t=s[r]-i,n=this.curves[r],a=n.getLength(),o=0===a?0:1-t/a;return n.getPointAt(o,e)}r++}return null}getLength(){const t=this.getCurveLengths();return t[t.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;const t=[];let e=0;for(let i=0,s=this.curves.length;i<s;i++)e+=this.curves[i].getLength(),t.push(e);return this.cacheLengths=t,t}getSpacedPoints(t=40){const e=[];for(let i=0;i<=t;i++)e.push(this.getPoint(i/t));return this.autoClose&&e.push(e[0]),e}getPoints(t=12){const e=[];let i;for(let s=0,r=this.curves;s<r.length;s++){const n=r[s],a=n.isEllipseCurve?2*t:n.isLineCurve||n.isLineCurve3?1:n.isSplineCurve?t*n.points.length:t,o=n.getPoints(a);for(let t=0;t<o.length;t++){const s=o[t];i&&i.equals(s)||(e.push(s),i=s)}}return this.autoClose&&e.length>1&&!e[e.length-1].equals(e[0])&&e.push(e[0]),e}copy(t){super.copy(t),this.curves=[];for(let e=0,i=t.curves.length;e<i;e++){const i=t.curves[e];this.curves.push(i.clone())}return this.autoClose=t.autoClose,this}toJSON(){const t=super.toJSON();t.autoClose=this.autoClose,t.curves=[];for(let e=0,i=this.curves.length;e<i;e++){const i=this.curves[e];t.curves.push(i.toJSON())}return t}fromJSON(t){super.fromJSON(t),this.autoClose=t.autoClose,this.curves=[];for(let e=0,i=t.curves.length;e<i;e++){const i=t.curves[e];this.curves.push((new Yh[i.type]).fromJSON(i))}return this}}class Gh extends Zh{constructor(t){super(),this.type="Path",this.currentPoint=new _s,t&&this.setFromPoints(t)}setFromPoints(t){this.moveTo(t[0].x,t[0].y);for(let e=1,i=t.length;e<i;e++)this.lineTo(t[e].x,t[e].y);return this}moveTo(t,e){return this.currentPoint.set(t,e),this}lineTo(t,e){const i=new Wh(this.currentPoint.clone(),new _s(t,e));return this.curves.push(i),this.currentPoint.set(t,e),this}quadraticCurveTo(t,e,i,s){const r=new qh(this.currentPoint.clone(),new _s(t,e),new _s(i,s));return this.curves.push(r),this.currentPoint.set(i,s),this}bezierCurveTo(t,e,i,s,r,n){const a=new jh(this.currentPoint.clone(),new _s(t,e),new _s(i,s),new _s(r,n));return this.curves.push(a),this.currentPoint.set(r,n),this}splineThru(t){const e=[this.currentPoint.clone()].concat(t),i=new Xh(e);return this.curves.push(i),this.currentPoint.copy(t[t.length-1]),this}arc(t,e,i,s,r,n){const a=this.currentPoint.x,o=this.currentPoint.y;return this.absarc(t+a,e+o,i,s,r,n),this}absarc(t,e,i,s,r,n){return this.absellipse(t,e,i,i,s,r,n),this}ellipse(t,e,i,s,r,n,a,o){const h=this.currentPoint.x,l=this.currentPoint.y;return this.absellipse(t+h,e+l,i,s,r,n,a,o),this}absellipse(t,e,i,s,r,n,a,o){const h=new Ih(t,e,i,s,r,n,a,o);if(this.curves.length>0){const t=h.getPoint(0);t.equals(this.currentPoint)||this.lineTo(t.x,t.y)}this.curves.push(h);const l=h.getPoint(1);return this.currentPoint.copy(l),this}copy(t){return super.copy(t),this.currentPoint.copy(t.currentPoint),this}toJSON(){const t=super.toJSON();return t.currentPoint=this.currentPoint.toArray(),t}fromJSON(t){return super.fromJSON(t),this.currentPoint.fromArray(t.currentPoint),this}}class $h extends Gh{constructor(t){super(t),this.uuid=fs(),this.type="Shape",this.holes=[]}getPointsHoles(t){const e=[];for(let i=0,s=this.holes.length;i<s;i++)e[i]=this.holes[i].getPoints(t);return e}extractPoints(t){return{shape:this.getPoints(t),holes:this.getPointsHoles(t)}}copy(t){super.copy(t),this.holes=[];for(let e=0,i=t.holes.length;e<i;e++){const i=t.holes[e];this.holes.push(i.clone())}return this}toJSON(){const t=super.toJSON();t.uuid=this.uuid,t.holes=[];for(let e=0,i=this.holes.length;e<i;e++){const i=this.holes[e];t.holes.push(i.toJSON())}return t}fromJSON(t){super.fromJSON(t),this.uuid=t.uuid,this.holes=[];for(let e=0,i=t.holes.length;e<i;e++){const i=t.holes[e];this.holes.push((new Gh).fromJSON(i))}return this}}function Qh(t,e,i=2){const s=e&&e.length,r=s?e[0]*i:t.length;let n=Kh(t,0,r,i,!0);const a=[];if(!n||n.next===n.prev)return a;let o,h,l;if(s&&(n=function(t,e,i,s){const r=[];for(let i=0,n=e.length;i<n;i++){const a=Kh(t,e[i]*s,i<n-1?e[i+1]*s:t.length,s,!1);a===a.next&&(a.steiner=!0),r.push(cl(a))}r.sort(al);for(let t=0;t<r.length;t++)i=ol(r[t],i);return i}(t,e,n,i)),t.length>80*i){o=t[0],h=t[1];let e=o,s=h;for(let n=i;n<r;n+=i){const i=t[n],r=t[n+1];i<o&&(o=i),r<h&&(h=r),i>e&&(e=i),r>s&&(s=r)}l=Math.max(e-o,s-h),l=0!==l?32767/l:0}return el(n,a,i,o,h,l,0),a}function Kh(t,e,i,s,r){let n;if(r===function(t,e,i,s){let r=0;for(let 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t=0,e=z.length,i=e-1,s=t+1;t<e;t++,i++,s++)i===e&&(i=0),s===e&&(s=0),k[t]=B(z[t],z[i],z[s]);const O=[];let P,R,E=k.concat();for(let t=0,e=T;t<e;t++){const e=_[t];P=[];for(let t=0,i=e.length,s=i-1,r=t+1;t<i;t++,s++,r++)s===i&&(s=0),r===i&&(r=0),P[t]=B(e[t],e[s],e[r]);O.push(P),E=E.concat(P)}if(0===p)R=Al.triangulateShape(z,_);else{const t=[],e=[];for(let i=0;i<p;i++){const s=i/p,r=c*Math.cos(s*Math.PI/2),n=u*Math.sin(s*Math.PI/2)+d;for(let e=0,i=z.length;e<i;e++){const i=C(z[e],k[e],n);L(i.x,i.y,-r),0===s&&t.push(i)}for(let t=0,i=T;t<i;t++){const i=_[t];P=O[t];const a=[];for(let t=0,e=i.length;t<e;t++){const e=C(i[t],P[t],n);L(e.x,e.y,-r),0===s&&a.push(e)}0===s&&e.push(a)}}R=Al.triangulateShape(t,e)}const N=R.length,V=u+d;for(let t=0;t<I;t++){const e=l?C(S[t],E[t],V):S[t];w?(b.copy(f.normals[0]).multiplyScalar(e.x),x.copy(f.binormals[0]).multiplyScalar(e.y),v.copy(g[0]).add(b).add(x),L(v.x,v.y,v.z)):L(e.x,e.y,0)}for(let t=1;t<=o;t++)for(let e=0;e<I;e++){const i=l?C(S[e],E[e],V):S[e];w?(b.copy(f.normals[t]).multiplyScalar(i.x),x.copy(f.binormals[t]).multiplyScalar(i.y),v.copy(g[t]).add(b).add(x),L(v.x,v.y,v.z)):L(i.x,i.y,h/o*t)}for(let t=p-1;t>=0;t--){const e=t/p,i=c*Math.cos(e*Math.PI/2),s=u*Math.sin(e*Math.PI/2)+d;for(let t=0,e=z.length;t<e;t++){const e=C(z[t],k[t],s);L(e.x,e.y,h+i)}for(let t=0,e=_.length;t<e;t++){const e=_[t];P=O[t];for(let t=0,r=e.length;t<r;t++){const r=C(e[t],P[t],s);w?L(r.x,r.y+g[o-1].y,g[o-1].x+i):L(r.x,r.y,h+i)}}}function F(t,e){let i=t.length;for(;--i>=0;){const s=i;let r=i-1;r<0&&(r=t.length-1);for(let t=0,i=o+2*p;t<i;t++){const i=I*t,n=I*(t+1);j(e+s+i,e+r+i,e+r+n,e+s+n)}}}function L(t,e,i){n.push(t),n.push(e),n.push(i)}function D(t,e,r){U(t),U(e),U(r);const n=s.length/3,a=y.generateTopUV(i,s,n-3,n-2,n-1);W(a[0]),W(a[1]),W(a[2])}function j(t,e,r,n){U(t),U(e),U(n),U(e),U(r),U(n);const a=s.length/3,o=y.generateSideWallUV(i,s,a-6,a-3,a-2,a-1);W(o[0]),W(o[1]),W(o[3]),W(o[1]),W(o[2]),W(o[3])}function U(t){s.push(n[3*t+0]),s.push(n[3*t+1]),s.push(n[3*t+2])}function W(t){r.push(t.x),r.push(t.y)}!function(){const t=s.length/3;if(l){let t=0,e=I*t;for(let t=0;t<N;t++){const i=R[t];D(i[2]+e,i[1]+e,i[0]+e)}t=o+2*p,e=I*t;for(let t=0;t<N;t++){const i=R[t];D(i[0]+e,i[1]+e,i[2]+e)}}else{for(let t=0;t<N;t++){const e=R[t];D(e[2],e[1],e[0])}for(let t=0;t<N;t++){const e=R[t];D(e[0]+I*o,e[1]+I*o,e[2]+I*o)}}i.addGroup(t,s.length/3-t,0)}(),function(){const t=s.length/3;let e=0;F(z,e),e+=z.length;for(let t=0,i=_.length;t<i;t++){const i=_[t];F(i,e),e+=i.length}i.addGroup(t,s.length/3-t,1)}()}this.setAttribute("position",new kn(s,3)),this.setAttribute("uv",new kn(r,2)),this.computeVertexNormals()}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}toJSON(){const t=super.toJSON();return function(t,e,i){if(i.shapes=[],Array.isArray(t))for(let e=0,s=t.length;e<s;e++){const s=t[e];i.shapes.push(s.uuid)}else i.shapes.push(t.uuid);i.options=Object.assign({},e),void 0!==e.extrudePath&&(i.options.extrudePath=e.extrudePath.toJSON());return i}(this.parameters.shapes,this.parameters.options,t)}static fromJSON(t,e){const i=[];for(let s=0,r=t.shapes.length;s<r;s++){const r=e[t.shapes[s]];i.push(r)}const s=t.options.extrudePath;return void 0!==s&&(t.options.extrudePath=(new Yh[s.type]).fromJSON(s)),new Cl(i,t.options)}}const Il={generateTopUV:function(t,e,i,s,r){const n=e[3*i],a=e[3*i+1],o=e[3*s],h=e[3*s+1],l=e[3*r],c=e[3*r+1];return[new _s(n,a),new _s(o,h),new _s(l,c)]},generateSideWallUV:function(t,e,i,s,r,n){const a=e[3*i],o=e[3*i+1],h=e[3*i+2],l=e[3*s],c=e[3*s+1],u=e[3*s+2],d=e[3*r],p=e[3*r+1],m=e[3*r+2],y=e[3*n],g=e[3*n+1],f=e[3*n+2];return Math.abs(o-c)<Math.abs(a-l)?[new _s(a,1-h),new _s(l,1-u),new _s(d,1-m),new _s(y,1-f)]:[new _s(o,1-h),new _s(c,1-u),new _s(p,1-m),new _s(g,1-f)]}};class Bl extends wh{constructor(t=1,e=0){const i=(1+Math.sqrt(5))/2;super([-1,i,0,1,i,0,-1,-i,0,1,-i,0,0,-1,i,0,1,i,0,-1,-i,0,1,-i,i,0,-1,i,0,1,-i,0,-1,-i,0,1],[0,11,5,0,5,1,0,1,7,0,7,10,0,10,11,1,5,9,5,11,4,11,10,2,10,7,6,7,1,8,3,9,4,3,4,2,3,2,6,3,6,8,3,8,9,4,9,5,2,4,11,6,2,10,8,6,7,9,8,1],t,e),this.type="IcosahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new Bl(t.radius,t.detail)}}class kl extends Wn{constructor(t=[new _s(0,-.5),new _s(.5,0),new _s(0,.5)],e=12,i=0,s=2*Math.PI){super(),this.type="LatheGeometry",this.parameters={points:t,segments:e,phiStart:i,phiLength:s},e=Math.floor(e),s=xs(s,0,2*Math.PI);const r=[],n=[],a=[],o=[],h=[],l=1/e,c=new Ts,u=new _s,d=new Ts,p=new Ts,m=new Ts;let y=0,g=0;for(let e=0;e<=t.length-1;e++)switch(e){case 0:y=t[e+1].x-t[e].x,g=t[e+1].y-t[e].y,d.x=1*g,d.y=-y,d.z=0*g,m.copy(d),d.normalize(),o.push(d.x,d.y,d.z);break;case t.length-1:o.push(m.x,m.y,m.z);break;default:y=t[e+1].x-t[e].x,g=t[e+1].y-t[e].y,d.x=1*g,d.y=-y,d.z=0*g,p.copy(d),d.x+=m.x,d.y+=m.y,d.z+=m.z,d.normalize(),o.push(d.x,d.y,d.z),m.copy(p)}for(let r=0;r<=e;r++){const d=i+r*l*s,p=Math.sin(d),m=Math.cos(d);for(let i=0;i<=t.length-1;i++){c.x=t[i].x*p,c.y=t[i].y,c.z=t[i].x*m,n.push(c.x,c.y,c.z),u.x=r/e,u.y=i/(t.length-1),a.push(u.x,u.y);const s=o[3*i+0]*p,l=o[3*i+1],d=o[3*i+0]*m;h.push(s,l,d)}}for(let i=0;i<e;i++)for(let e=0;e<t.length-1;e++){const s=e+i*t.length,n=s,a=s+t.length,o=s+t.length+1,h=s+1;r.push(n,a,h),r.push(o,h,a)}this.setIndex(r),this.setAttribute("position",new kn(n,3)),this.setAttribute("uv",new kn(a,2)),this.setAttribute("normal",new kn(h,3))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new kl(t.points,t.segments,t.phiStart,t.phiLength)}}class Ol extends wh{constructor(t=1,e=0){super([1,0,0,-1,0,0,0,1,0,0,-1,0,0,0,1,0,0,-1],[0,2,4,0,4,3,0,3,5,0,5,2,1,2,5,1,5,3,1,3,4,1,4,2],t,e),this.type="OctahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new Ol(t.radius,t.detail)}}class Pl extends Wn{constructor(t=1,e=1,i=1,s=1){super(),this.type="PlaneGeometry",this.parameters={width:t,height:e,widthSegments:i,heightSegments:s};const r=t/2,n=e/2,a=Math.floor(i),o=Math.floor(s),h=a+1,l=o+1,c=t/a,u=e/o,d=[],p=[],m=[],y=[];for(let t=0;t<l;t++){const e=t*u-n;for(let i=0;i<h;i++){const s=i*c-r;p.push(s,-e,0),m.push(0,0,1),y.push(i/a),y.push(1-t/o)}}for(let t=0;t<o;t++)for(let e=0;e<a;e++){const i=e+h*t,s=e+h*(t+1),r=e+1+h*(t+1),n=e+1+h*t;d.push(i,s,n),d.push(s,r,n)}this.setIndex(d),this.setAttribute("position",new kn(p,3)),this.setAttribute("normal",new kn(m,3)),this.setAttribute("uv",new kn(y,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Pl(t.width,t.height,t.widthSegments,t.heightSegments)}}class Rl extends Wn{constructor(t=.5,e=1,i=32,s=1,r=0,n=2*Math.PI){super(),this.type="RingGeometry",this.parameters={innerRadius:t,outerRadius:e,thetaSegments:i,phiSegments:s,thetaStart:r,thetaLength:n},i=Math.max(3,i);const a=[],o=[],h=[],l=[];let c=t;const u=(e-t)/(s=Math.max(1,s)),d=new Ts,p=new _s;for(let t=0;t<=s;t++){for(let t=0;t<=i;t++){const s=r+t/i*n;d.x=c*Math.cos(s),d.y=c*Math.sin(s),o.push(d.x,d.y,d.z),h.push(0,0,1),p.x=(d.x/e+1)/2,p.y=(d.y/e+1)/2,l.push(p.x,p.y)}c+=u}for(let t=0;t<s;t++){const e=t*(i+1);for(let t=0;t<i;t++){const s=t+e,r=s,n=s+i+1,o=s+i+2,h=s+1;a.push(r,n,h),a.push(n,o,h)}}this.setIndex(a),this.setAttribute("position",new kn(o,3)),this.setAttribute("normal",new kn(h,3)),this.setAttribute("uv",new kn(l,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Rl(t.innerRadius,t.outerRadius,t.thetaSegments,t.phiSegments,t.thetaStart,t.thetaLength)}}class El extends Wn{constructor(t=new $h([new _s(0,.5),new _s(-.5,-.5),new _s(.5,-.5)]),e=12){super(),this.type="ShapeGeometry",this.parameters={shapes:t,curveSegments:e};const i=[],s=[],r=[],n=[];let a=0,o=0;if(!1===Array.isArray(t))h(t);else for(let e=0;e<t.length;e++)h(t[e]),this.addGroup(a,o,e),a+=o,o=0;function h(t){const a=s.length/3,h=t.extractPoints(e);let l=h.shape;const c=h.holes;!1===Al.isClockWise(l)&&(l=l.reverse());for(let t=0,e=c.length;t<e;t++){const e=c[t];!0===Al.isClockWise(e)&&(c[t]=e.reverse())}const u=Al.triangulateShape(l,c);for(let t=0,e=c.length;t<e;t++){const e=c[t];l=l.concat(e)}for(let t=0,e=l.length;t<e;t++){const e=l[t];s.push(e.x,e.y,0),r.push(0,0,1),n.push(e.x,e.y)}for(let t=0,e=u.length;t<e;t++){const e=u[t],s=e[0]+a,r=e[1]+a,n=e[2]+a;i.push(s,r,n),o+=3}}this.setIndex(i),this.setAttribute("position",new kn(s,3)),this.setAttribute("normal",new kn(r,3)),this.setAttribute("uv",new kn(n,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}toJSON(){const t=super.toJSON();return function(t,e){if(e.shapes=[],Array.isArray(t))for(let i=0,s=t.length;i<s;i++){const s=t[i];e.shapes.push(s.uuid)}else e.shapes.push(t.uuid);return e}(this.parameters.shapes,t)}static fromJSON(t,e){const i=[];for(let s=0,r=t.shapes.length;s<r;s++){const r=e[t.shapes[s]];i.push(r)}return new El(i,t.curveSegments)}}class Nl extends Wn{constructor(t=1,e=32,i=16,s=0,r=2*Math.PI,n=0,a=Math.PI){super(),this.type="SphereGeometry",this.parameters={radius:t,widthSegments:e,heightSegments:i,phiStart:s,phiLength:r,thetaStart:n,thetaLength:a},e=Math.max(3,Math.floor(e)),i=Math.max(2,Math.floor(i));const o=Math.min(n+a,Math.PI);let h=0;const l=[],c=new Ts,u=new Ts,d=[],p=[],m=[],y=[];for(let d=0;d<=i;d++){const g=[],f=d/i,x=n+f*a,b=t*Math.cos(x),v=Math.sqrt(t*t-b*b);let w=0;0===d&&0===n?w=.5/e:d===i&&o===Math.PI&&(w=-.5/e);for(let t=0;t<=e;t++){const i=t/e,n=s+i*r;c.x=-v*Math.cos(n),c.y=b,c.z=v*Math.sin(n),p.push(c.x,c.y,c.z),u.copy(c).normalize(),m.push(u.x,u.y,u.z),y.push(i+w,1-f),g.push(h++)}l.push(g)}for(let t=0;t<i;t++)for(let s=0;s<e;s++){const e=l[t][s+1],r=l[t][s],a=l[t+1][s],h=l[t+1][s+1];(0!==t||n>0)&&d.push(e,r,h),(t!==i-1||o<Math.PI)&&d.push(r,a,h)}this.setIndex(d),this.setAttribute("position",new kn(p,3)),this.setAttribute("normal",new kn(m,3)),this.setAttribute("uv",new kn(y,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Nl(t.radius,t.widthSegments,t.heightSegments,t.phiStart,t.phiLength,t.thetaStart,t.thetaLength)}}class Vl extends wh{constructor(t=1,e=0){super([1,1,1,-1,-1,1,-1,1,-1,1,-1,-1],[2,1,0,0,3,2,1,3,0,2,3,1],t,e),this.type="TetrahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new Vl(t.radius,t.detail)}}class Fl extends Wn{constructor(t=1,e=.4,i=12,s=48,r=2*Math.PI,n=0,a=2*Math.PI){super(),this.type="TorusGeometry",this.parameters={radius:t,tube:e,radialSegments:i,tubularSegments:s,arc:r,thetaStart:n,thetaLength:a},i=Math.floor(i),s=Math.floor(s);const o=[],h=[],l=[],c=[],u=new Ts,d=new Ts,p=new Ts;for(let o=0;o<=i;o++){const m=n+o/i*a;for(let n=0;n<=s;n++){const a=n/s*r;d.x=(t+e*Math.cos(m))*Math.cos(a),d.y=(t+e*Math.cos(m))*Math.sin(a),d.z=e*Math.sin(m),h.push(d.x,d.y,d.z),u.x=t*Math.cos(a),u.y=t*Math.sin(a),p.subVectors(d,u).normalize(),l.push(p.x,p.y,p.z),c.push(n/s),c.push(o/i)}}for(let t=1;t<=i;t++)for(let e=1;e<=s;e++){const i=(s+1)*t+e-1,r=(s+1)*(t-1)+e-1,n=(s+1)*(t-1)+e,a=(s+1)*t+e;o.push(i,r,a),o.push(r,n,a)}this.setIndex(o),this.setAttribute("position",new kn(h,3)),this.setAttribute("normal",new kn(l,3)),this.setAttribute("uv",new kn(c,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Fl(t.radius,t.tube,t.radialSegments,t.tubularSegments,t.arc)}}class Ll extends Wn{constructor(t=1,e=.4,i=64,s=8,r=2,n=3){super(),this.type="TorusKnotGeometry",this.parameters={radius:t,tube:e,tubularSegments:i,radialSegments:s,p:r,q:n},i=Math.floor(i),s=Math.floor(s);const a=[],o=[],h=[],l=[],c=new Ts,u=new Ts,d=new Ts,p=new Ts,m=new Ts,y=new Ts,g=new Ts;for(let a=0;a<=i;++a){const x=a/i*r*Math.PI*2;f(x,r,n,t,d),f(x+.01,r,n,t,p),y.subVectors(p,d),g.addVectors(p,d),m.crossVectors(y,g),g.crossVectors(m,y),m.normalize(),g.normalize();for(let t=0;t<=s;++t){const r=t/s*Math.PI*2,n=-e*Math.cos(r),p=e*Math.sin(r);c.x=d.x+(n*g.x+p*m.x),c.y=d.y+(n*g.y+p*m.y),c.z=d.z+(n*g.z+p*m.z),o.push(c.x,c.y,c.z),u.subVectors(c,d).normalize(),h.push(u.x,u.y,u.z),l.push(a/i),l.push(t/s)}}for(let t=1;t<=i;t++)for(let e=1;e<=s;e++){const i=(s+1)*(t-1)+(e-1),r=(s+1)*t+(e-1),n=(s+1)*t+e,o=(s+1)*(t-1)+e;a.push(i,r,o),a.push(r,n,o)}function f(t,e,i,s,r){const n=Math.cos(t),a=Math.sin(t),o=i/e*t,h=Math.cos(o);r.x=s*(2+h)*.5*n,r.y=s*(2+h)*a*.5,r.z=s*Math.sin(o)*.5}this.setIndex(a),this.setAttribute("position",new kn(o,3)),this.setAttribute("normal",new kn(h,3)),this.setAttribute("uv",new kn(l,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Ll(t.radius,t.tube,t.tubularSegments,t.radialSegments,t.p,t.q)}}class Dl extends Wn{constructor(t=new Hh(new Ts(-1,-1,0),new Ts(-1,1,0),new Ts(1,1,0)),e=64,i=1,s=8,r=!1){super(),this.type="TubeGeometry",this.parameters={path:t,tubularSegments:e,radius:i,radialSegments:s,closed:r};const n=t.computeFrenetFrames(e,r);this.tangents=n.tangents,this.normals=n.normals,this.binormals=n.binormals;const a=new Ts,o=new Ts,h=new _s;let l=new Ts;const c=[],u=[],d=[],p=[];function m(r){l=t.getPointAt(r/e,l);const h=n.normals[r],d=n.binormals[r];for(let t=0;t<=s;t++){const e=t/s*Math.PI*2,r=Math.sin(e),n=-Math.cos(e);o.x=n*h.x+r*d.x,o.y=n*h.y+r*d.y,o.z=n*h.z+r*d.z,o.normalize(),u.push(o.x,o.y,o.z),a.x=l.x+i*o.x,a.y=l.y+i*o.y,a.z=l.z+i*o.z,c.push(a.x,a.y,a.z)}}!function(){for(let t=0;t<e;t++)m(t);m(!1===r?e:0),function(){for(let t=0;t<=e;t++)for(let i=0;i<=s;i++)h.x=t/e,h.y=i/s,d.push(h.x,h.y)}(),function(){for(let t=1;t<=e;t++)for(let e=1;e<=s;e++){const i=(s+1)*(t-1)+(e-1),r=(s+1)*t+(e-1),n=(s+1)*t+e,a=(s+1)*(t-1)+e;p.push(i,r,a),p.push(r,n,a)}}()}(),this.setIndex(p),this.setAttribute("position",new kn(c,3)),this.setAttribute("normal",new kn(u,3)),this.setAttribute("uv",new kn(d,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}toJSON(){const t=super.toJSON();return t.path=this.parameters.path.toJSON(),t}static fromJSON(t){return new Dl((new Yh[t.path.type]).fromJSON(t.path),t.tubularSegments,t.radius,t.radialSegments,t.closed)}}class jl extends Wn{constructor(t=null){if(super(),this.type="WireframeGeometry",this.parameters={geometry:t},null!==t){const e=[],i=new Set,s=new Ts,r=new Ts;if(null!==t.index){const n=t.attributes.position,a=t.index;let o=t.groups;0===o.length&&(o=[{start:0,count:a.count,materialIndex:0}]);for(let t=0,h=o.length;t<h;++t){const h=o[t],l=h.start;for(let t=l,o=l+h.count;t<o;t+=3)for(let o=0;o<3;o++){const h=a.getX(t+o),l=a.getX(t+(o+1)%3);s.fromBufferAttribute(n,h),r.fromBufferAttribute(n,l),!0===Ul(s,r,i)&&(e.push(s.x,s.y,s.z),e.push(r.x,r.y,r.z))}}}else{const n=t.attributes.position;for(let t=0,a=n.count/3;t<a;t++)for(let a=0;a<3;a++){const o=3*t+a,h=3*t+(a+1)%3;s.fromBufferAttribute(n,o),r.fromBufferAttribute(n,h),!0===Ul(s,r,i)&&(e.push(s.x,s.y,s.z),e.push(r.x,r.y,r.z))}}this.setAttribute("position",new kn(e,3))}}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}}function Ul(t,e,i){const s=`${t.x},${t.y},${t.z}-${e.x},${e.y},${e.z}`,r=`${e.x},${e.y},${e.z}-${t.x},${t.y},${t.z}`;return!0!==i.has(s)&&!0!==i.has(r)&&(i.add(s),i.add(r),!0)}var Wl=Object.freeze({__proto__:null,BoxGeometry:gh,CapsuleGeometry:fh,CircleGeometry:xh,ConeGeometry:vh,CylinderGeometry:bh,DodecahedronGeometry:Mh,EdgesGeometry:zh,ExtrudeGeometry:Cl,IcosahedronGeometry:Bl,LatheGeometry:kl,OctahedronGeometry:Ol,PlaneGeometry:Pl,PolyhedronGeometry:wh,RingGeometry:Rl,ShapeGeometry:El,SphereGeometry:Nl,TetrahedronGeometry:Vl,TorusGeometry:Fl,TorusKnotGeometry:Ll,TubeGeometry:Dl,WireframeGeometry:jl});class Jl extends Zn{constructor(t){super(),this.isShadowMaterial=!0,this.type="ShadowMaterial",this.color=new Pr(0),this.transparent=!0,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.fog=t.fog,this}}function ql(t){const e={};for(const i in t){e[i]={};for(const s in t[i]){const r=t[i][s];if(Xl(r))r.isRenderTargetTexture?(as("UniformsUtils: Textures of render targets cannot be cloned via cloneUniforms() or mergeUniforms()."),e[i][s]=null):e[i][s]=r.clone();else if(Array.isArray(r))if(Xl(r[0])){const t=[];for(let e=0,i=r.length;e<i;e++)t[e]=r[e].clone();e[i][s]=t}else e[i][s]=r.slice();else e[i][s]=r}}return e}function Hl(t){const e={};for(let i=0;i<t.length;i++){const s=ql(t[i]);for(const t in s)e[t]=s[t]}return e}function Xl(t){return t&&(t.isColor||t.isMatrix3||t.isMatrix4||t.isVector2||t.isVector3||t.isVector4||t.isTexture||t.isQuaternion)}function Yl(t){const e=t.getRenderTarget();return null===e?t.outputColorSpace:!0===e.isXRRenderTarget?e.texture.colorSpace:Rs.workingColorSpace}const Zl={clone:ql,merge:Hl};class Gl extends Zn{constructor(t){super(),this.isShaderMaterial=!0,this.type="ShaderMaterial",this.defines={},this.uniforms={},this.uniformsGroups=[],this.vertexShader="void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}",this.fragmentShader="void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}",this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.forceSinglePass=!0,this.extensions={clipCullDistance:!1,multiDraw:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv1:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,void 0!==t&&this.setValues(t)}copy(t){return super.copy(t),this.fragmentShader=t.fragmentShader,this.vertexShader=t.vertexShader,this.uniforms=ql(t.uniforms),this.uniformsGroups=function(t){const e=[];for(let i=0;i<t.length;i++)e.push(t[i].clone());return e}(t.uniformsGroups),this.defines=Object.assign({},t.defines),this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.fog=t.fog,this.lights=t.lights,this.clipping=t.clipping,this.extensions=Object.assign({},t.extensions),this.glslVersion=t.glslVersion,this.defaultAttributeValues=Object.assign({},t.defaultAttributeValues),this.index0AttributeName=t.index0AttributeName,this.uniformsNeedUpdate=t.uniformsNeedUpdate,this}toJSON(t){const e=super.toJSON(t);e.glslVersion=this.glslVersion,e.uniforms={};for(const i in this.uniforms){const s=this.uniforms[i].value;s&&s.isTexture?e.uniforms[i]={type:"t",value:s.toJSON(t).uuid}:s&&s.isColor?e.uniforms[i]={type:"c",value:s.getHex()}:s&&s.isVector2?e.uniforms[i]={type:"v2",value:s.toArray()}:s&&s.isVector3?e.uniforms[i]={type:"v3",value:s.toArray()}:s&&s.isVector4?e.uniforms[i]={type:"v4",value:s.toArray()}:s&&s.isMatrix3?e.uniforms[i]={type:"m3",value:s.toArray()}:s&&s.isMatrix4?e.uniforms[i]={type:"m4",value:s.toArray()}:e.uniforms[i]={value:s}}Object.keys(this.defines).length>0&&(e.defines=this.defines),e.vertexShader=this.vertexShader,e.fragmentShader=this.fragmentShader,e.lights=this.lights,e.clipping=this.clipping;const i={};for(const t in this.extensions)!0===this.extensions[t]&&(i[t]=!0);return Object.keys(i).length>0&&(e.extensions=i),e}fromJSON(t,e){if(super.fromJSON(t,e),void 0!==t.uniforms)for(const i in t.uniforms){const s=t.uniforms[i];switch(this.uniforms[i]={},s.type){case"t":this.uniforms[i].value=e[s.value]||null;break;case"c":this.uniforms[i].value=(new Pr).setHex(s.value);break;case"v2":this.uniforms[i].value=(new _s).fromArray(s.value);break;case"v3":this.uniforms[i].value=(new Ts).fromArray(s.value);break;case"v4":this.uniforms[i].value=(new qs).fromArray(s.value);break;case"m3":this.uniforms[i].value=(new Is).fromArray(s.value);break;case"m4":this.uniforms[i].value=(new Qs).fromArray(s.value);break;default:this.uniforms[i].value=s.value}}if(void 0!==t.defines&&(this.defines=t.defines),void 0!==t.vertexShader&&(this.vertexShader=t.vertexShader),void 0!==t.fragmentShader&&(this.fragmentShader=t.fragmentShader),void 0!==t.glslVersion&&(this.glslVersion=t.glslVersion),void 0!==t.extensions)for(const e in t.extensions)this.extensions[e]=t.extensions[e];return void 0!==t.lights&&(this.lights=t.lights),void 0!==t.clipping&&(this.clipping=t.clipping),this}}class $l extends Gl{constructor(t){super(t),this.isRawShaderMaterial=!0,this.type="RawShaderMaterial"}}class Ql extends Zn{constructor(t){super(),this.isMeshStandardMaterial=!0,this.type="MeshStandardMaterial",this.defines={STANDARD:""},this.color=new Pr(16777215),this.roughness=1,this.metalness=0,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Pr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new _s(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.roughnessMap=null,this.metalnessMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new hr,this.envMapIntensity=1,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.defines={STANDARD:""},this.color.copy(t.color),this.roughness=t.roughness,this.metalness=t.metalness,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.roughnessMap=t.roughnessMap,this.metalnessMap=t.metalnessMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.envMapIntensity=t.envMapIntensity,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Kl extends Ql{constructor(t){super(),this.isMeshPhysicalMaterial=!0,this.defines={STANDARD:"",PHYSICAL:""},this.type="MeshPhysicalMaterial",this.anisotropyRotation=0,this.anisotropyMap=null,this.clearcoatMap=null,this.clearcoatRoughness=0,this.clearcoatRoughnessMap=null,this.clearcoatNormalScale=new _s(1,1),this.clearcoatNormalMap=null,this.ior=1.5,Object.defineProperty(this,"reflectivity",{get:function(){return xs(2.5*(this.ior-1)/(this.ior+1),0,1)},set:function(t){this.ior=(1+.4*t)/(1-.4*t)}}),this.iridescenceMap=null,this.iridescenceIOR=1.3,this.iridescenceThicknessRange=[100,400],this.iridescenceThicknessMap=null,this.sheenColor=new Pr(0),this.sheenColorMap=null,this.sheenRoughness=1,this.sheenRoughnessMap=null,this.transmissionMap=null,this.thickness=0,this.thicknessMap=null,this.attenuationDistance=1/0,this.attenuationColor=new Pr(1,1,1),this.specularIntensity=1,this.specularIntensityMap=null,this.specularColor=new Pr(1,1,1),this.specularColorMap=null,this._anisotropy=0,this._clearcoat=0,this._dispersion=0,this._iridescence=0,this._sheen=0,this._transmission=0,this.setValues(t)}get anisotropy(){return this._anisotropy}set anisotropy(t){this._anisotropy>0!=t>0&&this.version++,this._anisotropy=t}get clearcoat(){return this._clearcoat}set clearcoat(t){this._clearcoat>0!=t>0&&this.version++,this._clearcoat=t}get iridescence(){return this._iridescence}set iridescence(t){this._iridescence>0!=t>0&&this.version++,this._iridescence=t}get dispersion(){return this._dispersion}set dispersion(t){this._dispersion>0!=t>0&&this.version++,this._dispersion=t}get sheen(){return this._sheen}set sheen(t){this._sheen>0!=t>0&&this.version++,this._sheen=t}get transmission(){return this._transmission}set transmission(t){this._transmission>0!=t>0&&this.version++,this._transmission=t}copy(t){return super.copy(t),this.defines={STANDARD:"",PHYSICAL:""},this.anisotropy=t.anisotropy,this.anisotropyRotation=t.anisotropyRotation,this.anisotropyMap=t.anisotropyMap,this.clearcoat=t.clearcoat,this.clearcoatMap=t.clearcoatMap,this.clearcoatRoughness=t.clearcoatRoughness,this.clearcoatRoughnessMap=t.clearcoatRoughnessMap,this.clearcoatNormalMap=t.clearcoatNormalMap,this.clearcoatNormalScale.copy(t.clearcoatNormalScale),this.dispersion=t.dispersion,this.ior=t.ior,this.iridescence=t.iridescence,this.iridescenceMap=t.iridescenceMap,this.iridescenceIOR=t.iridescenceIOR,this.iridescenceThicknessRange=[...t.iridescenceThicknessRange],this.iridescenceThicknessMap=t.iridescenceThicknessMap,this.sheen=t.sheen,this.sheenColor.copy(t.sheenColor),this.sheenColorMap=t.sheenColorMap,this.sheenRoughness=t.sheenRoughness,this.sheenRoughnessMap=t.sheenRoughnessMap,this.transmission=t.transmission,this.transmissionMap=t.transmissionMap,this.thickness=t.thickness,this.thicknessMap=t.thicknessMap,this.attenuationDistance=t.attenuationDistance,this.attenuationColor.copy(t.attenuationColor),this.specularIntensity=t.specularIntensity,this.specularIntensityMap=t.specularIntensityMap,this.specularColor.copy(t.specularColor),this.specularColorMap=t.specularColorMap,this}}class tc extends Zn{constructor(t){super(),this.isMeshPhongMaterial=!0,this.type="MeshPhongMaterial",this.color=new Pr(16777215),this.specular=new Pr(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Pr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new _s(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new hr,this.combine=0,this.reflectivity=1,this.envMapIntensity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.specular.copy(t.specular),this.shininess=t.shininess,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.envMapIntensity=t.envMapIntensity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class ec extends Zn{constructor(t){super(),this.isMeshToonMaterial=!0,this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new Pr(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Pr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new _s(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.gradientMap=t.gradientMap,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}class ic extends Zn{constructor(t){super(),this.isMeshNormalMaterial=!0,this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new _s(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.flatShading=t.flatShading,this}}class sc extends Zn{constructor(t){super(),this.isMeshLambertMaterial=!0,this.type="MeshLambertMaterial",this.color=new Pr(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Pr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new _s(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new hr,this.combine=0,this.reflectivity=1,this.envMapIntensity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.envMapIntensity=t.envMapIntensity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class rc extends Zn{constructor(t){super(),this.isMeshDepthMaterial=!0,this.type="MeshDepthMaterial",this.depthPacking=3200,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.setValues(t)}copy(t){return super.copy(t),this.depthPacking=t.depthPacking,this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this}}class nc extends Zn{constructor(t){super(),this.isMeshDistanceMaterial=!0,this.type="MeshDistanceMaterial",this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.setValues(t)}copy(t){return super.copy(t),this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this}}class ac extends Zn{constructor(t){super(),this.isMeshMatcapMaterial=!0,this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new Pr(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new _s(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.defines={MATCAP:""},this.color.copy(t.color),this.matcap=t.matcap,this.map=t.map,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.flatShading=t.flatShading,this.fog=t.fog,this}}class oc extends Vo{constructor(t){super(),this.isLineDashedMaterial=!0,this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(t)}copy(t){return super.copy(t),this.scale=t.scale,this.dashSize=t.dashSize,this.gapSize=t.gapSize,this}}function hc(t,e){return t&&t.constructor!==e?"number"==typeof e.BYTES_PER_ELEMENT?new e(t):Array.prototype.slice.call(t):t}function lc(t){const e=t.length,i=new Array(e);for(let t=0;t!==e;++t)i[t]=t;return i.sort(function(e,i){return t[e]-t[i]}),i}function cc(t,e,i){const s=t.length,r=new t.constructor(s);for(let n=0,a=0;a!==s;++n){const s=i[n]*e;for(let i=0;i!==e;++i)r[a++]=t[s+i]}return r}function uc(t,e,i,s){let r=1,n=t[0];for(;void 0!==n&&void 0===n[s];)n=t[r++];if(void 0===n)return;let a=n[s];if(void 0!==a)if(Array.isArray(a))do{a=n[s],void 0!==a&&(e.push(n.time),i.push(...a)),n=t[r++]}while(void 0!==n);else if(void 0!==a.toArray)do{a=n[s],void 0!==a&&(e.push(n.time),a.toArray(i,i.length)),n=t[r++]}while(void 0!==n);else do{a=n[s],void 0!==a&&(e.push(n.time),i.push(a)),n=t[r++]}while(void 0!==n)}class dc{static convertArray(t,e){return hc(t,e)}static isTypedArray(t){return $i(t)}static getKeyframeOrder(t){return lc(t)}static sortedArray(t,e,i){return cc(t,e,i)}static flattenJSON(t,e,i,s){uc(t,e,i,s)}static subclip(t,e,i,s,r=30){return function(t,e,i,s,r=30){const n=t.clone();n.name=e;const a=[];for(let t=0;t<n.tracks.length;++t){const e=n.tracks[t],o=e.getValueSize(),h=[],l=[];for(let t=0;t<e.times.length;++t){const n=e.times[t]*r;if(!(n<i||n>=s)){h.push(e.times[t]);for(let i=0;i<o;++i)l.push(e.values[t*o+i])}}0!==h.length&&(e.times=hc(h,e.times.constructor),e.values=hc(l,e.values.constructor),a.push(e))}n.tracks=a;let o=1/0;for(let t=0;t<n.tracks.length;++t)o>n.tracks[t].times[0]&&(o=n.tracks[t].times[0]);for(let t=0;t<n.tracks.length;++t)n.tracks[t].shift(-1*o);return n.resetDuration(),n}(t,e,i,s,r)}static makeClipAdditive(t,e=0,i=t,s=30){return function(t,e=0,i=t,s=30){s<=0&&(s=30);const r=i.tracks.length,n=e/s;for(let e=0;e<r;++e){const s=i.tracks[e],r=s.ValueTypeName;if("bool"===r||"string"===r)continue;const a=t.tracks.find(function(t){return t.name===s.name&&t.ValueTypeName===r});if(void 0===a)continue;let o=0;const h=s.getValueSize();s.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(o=h/3);let l=0;const c=a.getValueSize();a.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(l=c/3);const u=s.times.length-1;let d;if(n<=s.times[0]){const t=o,e=h-o;d=s.values.slice(t,e)}else if(n>=s.times[u]){const t=u*h+o,e=t+h-o;d=s.values.slice(t,e)}else{const t=s.createInterpolant(),e=o,i=h-o;t.evaluate(n),d=t.resultBuffer.slice(e,i)}"quaternion"===r&&(new As).fromArray(d).normalize().conjugate().toArray(d);const p=a.times.length;for(let t=0;t<p;++t){const e=t*c+l;if("quaternion"===r)As.multiplyQuaternionsFlat(a.values,e,d,0,a.values,e);else{const t=c-2*l;for(let i=0;i<t;++i)a.values[e+i]-=d[i]}}}return t.blendMode=Je,t}(t,e,i,s)}}class pc{constructor(t,e,i,s){this.parameterPositions=t,this._cachedIndex=0,this.resultBuffer=void 0!==s?s:new e.constructor(i),this.sampleValues=e,this.valueSize=i,this.settings=null,this.DefaultSettings_={}}evaluate(t){const e=this.parameterPositions;let i=this._cachedIndex,s=e[i],r=e[i-1];t:{e:{let n;i:{s:if(!(t<s)){for(let n=i+2;;){if(void 0===s){if(t<r)break s;return i=e.length,this._cachedIndex=i,this.copySampleValue_(i-1)}if(i===n)break;if(r=s,s=e[++i],t<s)break e}n=e.length;break i}if(!(t>=r)){const a=e[1];t<a&&(i=2,r=a);for(let n=i-2;;){if(void 0===r)return this._cachedIndex=0,this.copySampleValue_(0);if(i===n)break;if(s=r,r=e[--i-1],t>=r)break e}n=i,i=0;break i}break t}for(;i<n;){const s=i+n>>>1;t<e[s]?n=s:i=s+1}if(s=e[i],r=e[i-1],void 0===r)return this._cachedIndex=0,this.copySampleValue_(0);if(void 0===s)return i=e.length,this._cachedIndex=i,this.copySampleValue_(i-1)}this._cachedIndex=i,this.intervalChanged_(i,r,s)}return this.interpolate_(i,r,t,s)}getSettings_(){return this.settings||this.DefaultSettings_}copySampleValue_(t){const e=this.resultBuffer,i=this.sampleValues,s=this.valueSize,r=t*s;for(let t=0;t!==s;++t)e[t]=i[r+t];return e}interpolate_(){throw new Error("THREE.Interpolant: Call to abstract method.")}intervalChanged_(){}}class mc extends pc{constructor(t,e,i,s){super(t,e,i,s),this._weightPrev=-0,this._offsetPrev=-0,this._weightNext=-0,this._offsetNext=-0,this.DefaultSettings_={endingStart:De,endingEnd:De}}intervalChanged_(t,e,i){const s=this.parameterPositions;let r=t-2,n=t+1,a=s[r],o=s[n];if(void 0===a)switch(this.getSettings_().endingStart){case je:r=t,a=2*e-i;break;case Ue:r=s.length-2,a=e+s[r]-s[r+1];break;default:r=t,a=i}if(void 0===o)switch(this.getSettings_().endingEnd){case je:n=t,o=2*i-e;break;case Ue:n=1,o=i+s[1]-s[0];break;default:n=t-1,o=e}const h=.5*(i-e),l=this.valueSize;this._weightPrev=h/(e-a),this._weightNext=h/(o-i),this._offsetPrev=r*l,this._offsetNext=n*l}interpolate_(t,e,i,s){const r=this.resultBuffer,n=this.sampleValues,a=this.valueSize,o=t*a,h=o-a,l=this._offsetPrev,c=this._offsetNext,u=this._weightPrev,d=this._weightNext,p=(i-e)/(s-e),m=p*p,y=m*p,g=-u*y+2*u*m-u*p,f=(1+u)*y+(-1.5-2*u)*m+(-.5+u)*p+1,x=(-1-d)*y+(1.5+d)*m+.5*p,b=d*y-d*m;for(let t=0;t!==a;++t)r[t]=g*n[l+t]+f*n[h+t]+x*n[o+t]+b*n[c+t];return r}}class yc extends pc{constructor(t,e,i,s){super(t,e,i,s)}interpolate_(t,e,i,s){const r=this.resultBuffer,n=this.sampleValues,a=this.valueSize,o=t*a,h=o-a,l=(i-e)/(s-e),c=1-l;for(let t=0;t!==a;++t)r[t]=n[h+t]*c+n[o+t]*l;return r}}class gc extends pc{constructor(t,e,i,s){super(t,e,i,s)}interpolate_(t){return this.copySampleValue_(t-1)}}class fc extends pc{interpolate_(t,e,i,s){const r=this.resultBuffer,n=this.sampleValues,a=this.valueSize,o=t*a,h=o-a,l=this.inTangents,c=this.outTangents;if(!l||!c){const t=(i-e)/(s-e),l=1-t;for(let e=0;e!==a;++e)r[e]=n[h+e]*l+n[o+e]*t;return r}const u=2*a,d=t-1;for(let p=0;p!==a;++p){const a=n[h+p],m=n[o+p],y=d*u+2*p,g=c[y],f=c[y+1],x=t*u+2*p,b=l[x],v=l[x+1];let w,M,S,_,A,T=(i-e)/(s-e);for(let t=0;t<8;t++){w=T*T,M=w*T,S=1-T,_=S*S,A=_*S;const t=A*e+3*_*T*g+3*S*w*b+M*s-i;if(Math.abs(t)<1e-10)break;const r=3*_*(g-e)+6*S*T*(b-g)+3*w*(s-b);if(Math.abs(r)<1e-10)break;T-=t/r,T=Math.max(0,Math.min(1,T))}r[p]=A*a+3*_*T*f+3*S*w*v+M*m}return r}}class xc{constructor(t,e,i,s){if(void 0===t)throw new Error("THREE.KeyframeTrack: track name is undefined");if(void 0===e||0===e.length)throw new Error("THREE.KeyframeTrack: no keyframes in track named "+t);this.name=t,this.times=hc(e,this.TimeBufferType),this.values=hc(i,this.ValueBufferType),this.setInterpolation(s||this.DefaultInterpolation)}static toJSON(t){const e=t.constructor;let i;if(e.toJSON!==this.toJSON)i=e.toJSON(t);else{i={name:t.name,times:hc(t.times,Array),values:hc(t.values,Array)};const e=t.getInterpolation();e!==t.DefaultInterpolation&&(i.interpolation=e)}return i.type=t.ValueTypeName,i}InterpolantFactoryMethodDiscrete(t){return new gc(this.times,this.values,this.getValueSize(),t)}InterpolantFactoryMethodLinear(t){return new yc(this.times,this.values,this.getValueSize(),t)}InterpolantFactoryMethodSmooth(t){return new mc(this.times,this.values,this.getValueSize(),t)}InterpolantFactoryMethodBezier(t){const e=new fc(this.times,this.values,this.getValueSize(),t);return this.settings&&(e.inTangents=this.settings.inTangents,e.outTangents=this.settings.outTangents),e}setInterpolation(t){let e;switch(t){case Ne:e=this.InterpolantFactoryMethodDiscrete;break;case Ve:e=this.InterpolantFactoryMethodLinear;break;case Fe:e=this.InterpolantFactoryMethodSmooth;break;case Le:e=this.InterpolantFactoryMethodBezier}if(void 0===e){const e="unsupported interpolation for "+this.ValueTypeName+" keyframe track named "+this.name;if(void 0===this.createInterpolant){if(t===this.DefaultInterpolation)throw new Error(e);this.setInterpolation(this.DefaultInterpolation)}return as("KeyframeTrack:",e),this}return this.createInterpolant=e,this}getInterpolation(){switch(this.createInterpolant){case this.InterpolantFactoryMethodDiscrete:return Ne;case this.InterpolantFactoryMethodLinear:return Ve;case this.InterpolantFactoryMethodSmooth:return Fe;case this.InterpolantFactoryMethodBezier:return Le}}getValueSize(){return this.values.length/this.times.length}shift(t){if(0!==t){const e=this.times;for(let i=0,s=e.length;i!==s;++i)e[i]+=t}return this}scale(t){if(1!==t){const e=this.times;for(let i=0,s=e.length;i!==s;++i)e[i]*=t}return this}trim(t,e){const i=this.times,s=i.length;let r=0,n=s-1;for(;r!==s&&i[r]<t;)++r;for(;-1!==n&&i[n]>e;)--n;if(++n,0!==r||n!==s){r>=n&&(n=Math.max(n,1),r=n-1);const t=this.getValueSize();this.times=i.slice(r,n),this.values=this.values.slice(r*t,n*t)}return this}validate(){let t=!0;const e=this.getValueSize();e-Math.floor(e)!==0&&(os("KeyframeTrack: Invalid value size in track.",this),t=!1);const i=this.times,s=this.values,r=i.length;0===r&&(os("KeyframeTrack: Track is empty.",this),t=!1);let n=null;for(let e=0;e!==r;e++){const s=i[e];if("number"==typeof s&&isNaN(s)){os("KeyframeTrack: Time is not a valid number.",this,e,s),t=!1;break}if(null!==n&&n>s){os("KeyframeTrack: Out of order keys.",this,e,s,n),t=!1;break}n=s}if(void 0!==s&&$i(s))for(let e=0,i=s.length;e!==i;++e){const i=s[e];if(isNaN(i)){os("KeyframeTrack: Value is not a valid number.",this,e,i),t=!1;break}}return t}optimize(){const t=this.times.slice(),e=this.values.slice(),i=this.getValueSize(),s=this.getInterpolation()===Fe,r=t.length-1;let n=1;for(let a=1;a<r;++a){let r=!1;const o=t[a];if(o!==t[a+1]&&(1!==a||o!==t[0]))if(s)r=!0;else{const t=a*i,s=t-i,n=t+i;for(let a=0;a!==i;++a){const i=e[t+a];if(i!==e[s+a]||i!==e[n+a]){r=!0;break}}}if(r){if(a!==n){t[n]=t[a];const s=a*i,r=n*i;for(let t=0;t!==i;++t)e[r+t]=e[s+t]}++n}}if(r>0){t[n]=t[r];for(let t=r*i,s=n*i,a=0;a!==i;++a)e[s+a]=e[t+a];++n}return n!==t.length?(this.times=t.slice(0,n),this.values=e.slice(0,n*i)):(this.times=t,this.values=e),this}clone(){const t=this.times.slice(),e=this.values.slice(),i=new(0,this.constructor)(this.name,t,e);return i.createInterpolant=this.createInterpolant,i}}xc.prototype.ValueTypeName="",xc.prototype.TimeBufferType=Float32Array,xc.prototype.ValueBufferType=Float32Array,xc.prototype.DefaultInterpolation=Ve;class bc extends xc{constructor(t,e,i){super(t,e,i)}}bc.prototype.ValueTypeName="bool",bc.prototype.ValueBufferType=Array,bc.prototype.DefaultInterpolation=Ne,bc.prototype.InterpolantFactoryMethodLinear=void 0,bc.prototype.InterpolantFactoryMethodSmooth=void 0;class vc extends xc{constructor(t,e,i,s){super(t,e,i,s)}}vc.prototype.ValueTypeName="color";class wc extends xc{constructor(t,e,i,s){super(t,e,i,s)}}wc.prototype.ValueTypeName="number";class Mc extends pc{constructor(t,e,i,s){super(t,e,i,s)}interpolate_(t,e,i,s){const r=this.resultBuffer,n=this.sampleValues,a=this.valueSize,o=(i-e)/(s-e);let h=t*a;for(let t=h+a;h!==t;h+=4)As.slerpFlat(r,0,n,h-a,n,h,o);return r}}class Sc extends xc{constructor(t,e,i,s){super(t,e,i,s)}InterpolantFactoryMethodLinear(t){return new Mc(this.times,this.values,this.getValueSize(),t)}}Sc.prototype.ValueTypeName="quaternion",Sc.prototype.InterpolantFactoryMethodSmooth=void 0;class _c extends xc{constructor(t,e,i){super(t,e,i)}}_c.prototype.ValueTypeName="string",_c.prototype.ValueBufferType=Array,_c.prototype.DefaultInterpolation=Ne,_c.prototype.InterpolantFactoryMethodLinear=void 0,_c.prototype.InterpolantFactoryMethodSmooth=void 0;class Ac extends xc{constructor(t,e,i,s){super(t,e,i,s)}}Ac.prototype.ValueTypeName="vector";class Tc{constructor(t="",e=-1,i=[],s=2500){this.name=t,this.tracks=i,this.duration=e,this.blendMode=s,this.uuid=fs(),this.userData={},this.duration<0&&this.resetDuration()}static parse(t){const e=[],i=t.tracks,s=1/(t.fps||1);for(let t=0,r=i.length;t!==r;++t)e.push(zc(i[t]).scale(s));const r=new this(t.name,t.duration,e,t.blendMode);return r.uuid=t.uuid,r.userData=JSON.parse(t.userData||"{}"),r}static toJSON(t){const e=[],i=t.tracks,s={name:t.name,duration:t.duration,tracks:e,uuid:t.uuid,blendMode:t.blendMode,userData:JSON.stringify(t.userData)};for(let t=0,s=i.length;t!==s;++t)e.push(xc.toJSON(i[t]));return s}static CreateFromMorphTargetSequence(t,e,i,s){const r=e.length,n=[];for(let t=0;t<r;t++){let a=[],o=[];a.push((t+r-1)%r,t,(t+1)%r),o.push(0,1,0);const h=lc(a);a=cc(a,1,h),o=cc(o,1,h),s||0!==a[0]||(a.push(r),o.push(o[0])),n.push(new wc(".morphTargetInfluences["+e[t].name+"]",a,o).scale(1/i))}return new this(t,-1,n)}static findByName(t,e){let i=t;if(!Array.isArray(t)){const e=t;i=e.geometry&&e.geometry.animations||e.animations}for(let t=0;t<i.length;t++)if(i[t].name===e)return i[t];return null}static CreateClipsFromMorphTargetSequences(t,e,i){const s={},r=/^([\w-]*?)([\d]+)$/;for(let e=0,i=t.length;e<i;e++){const i=t[e],n=i.name.match(r);if(n&&n.length>1){const t=n[1];let e=s[t];e||(s[t]=e=[]),e.push(i)}}const n=[];for(const t in s)n.push(this.CreateFromMorphTargetSequence(t,s[t],e,i));return n}resetDuration(){let t=0;for(let e=0,i=this.tracks.length;e!==i;++e){const i=this.tracks[e];t=Math.max(t,i.times[i.times.length-1])}return this.duration=t,this}trim(){for(let t=0;t<this.tracks.length;t++)this.tracks[t].trim(0,this.duration);return this}validate(){let t=!0;for(let e=0;e<this.tracks.length;e++)t=t&&this.tracks[e].validate();return t}optimize(){for(let t=0;t<this.tracks.length;t++)this.tracks[t].optimize();return this}clone(){const t=[];for(let e=0;e<this.tracks.length;e++)t.push(this.tracks[e].clone());const e=new this.constructor(this.name,this.duration,t,this.blendMode);return e.userData=JSON.parse(JSON.stringify(this.userData)),e}toJSON(){return this.constructor.toJSON(this)}}function zc(t){if(void 0===t.type)throw new Error("THREE.KeyframeTrack: track type undefined, can not parse");const e=function(t){switch(t.toLowerCase()){case"scalar":case"double":case"float":case"number":case"integer":return wc;case"vector":case"vector2":case"vector3":case"vector4":return Ac;case"color":return vc;case"quaternion":return Sc;case"bool":case"boolean":return bc;case"string":return _c}throw new Error("THREE.KeyframeTrack: Unsupported typeName: "+t)}(t.type);if(void 0===t.times){const e=[],i=[];uc(t.keys,e,i,"value"),t.times=e,t.values=i}return void 0!==e.parse?e.parse(t):new e(t.name,t.times,t.values,t.interpolation)}const Cc={enabled:!1,files:{},add:function(t,e){!1!==this.enabled&&(Ic(t)||(this.files[t]=e))},get:function(t){if(!1!==this.enabled&&!Ic(t))return this.files[t]},remove:function(t){delete this.files[t]},clear:function(){this.files={}}};function Ic(t){try{const e=t.slice(t.indexOf(":")+1);return"blob:"===new URL(e).protocol}catch(t){return!1}}class Bc{constructor(t,e,i){const s=this;let r,n=!1,a=0,o=0;const h=[];this.onStart=void 0,this.onLoad=t,this.onProgress=e,this.onError=i,this._abortController=null,this.itemStart=function(t){o++,!1===n&&void 0!==s.onStart&&s.onStart(t,a,o),n=!0},this.itemEnd=function(t){a++,void 0!==s.onProgress&&s.onProgress(t,a,o),a===o&&(n=!1,void 0!==s.onLoad&&s.onLoad())},this.itemError=function(t){void 0!==s.onError&&s.onError(t)},this.resolveURL=function(t){return t=t.normalize("NFC"),r?r(t):t},this.setURLModifier=function(t){return r=t,this},this.addHandler=function(t,e){return h.push(t,e),this},this.removeHandler=function(t){const e=h.indexOf(t);return-1!==e&&h.splice(e,2),this},this.getHandler=function(t){for(let e=0,i=h.length;e<i;e+=2){const i=h[e],s=h[e+1];if(i.global&&(i.lastIndex=0),i.test(t))return s}return null},this.abort=function(){return this.abortController.abort(),this._abortController=null,this}}get abortController(){return this._abortController||(this._abortController=new AbortController),this._abortController}}const kc=new Bc;class Oc{constructor(t){this.manager=void 0!==t?t:kc,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}load(){}loadAsync(t,e){const i=this;return new Promise(function(s,r){i.load(t,s,e,r)})}parse(){}setCrossOrigin(t){return this.crossOrigin=t,this}setWithCredentials(t){return this.withCredentials=t,this}setPath(t){return this.path=t,this}setResourcePath(t){return this.resourcePath=t,this}setRequestHeader(t){return this.requestHeader=t,this}abort(){return this}}Oc.DEFAULT_MATERIAL_NAME="__DEFAULT";const Pc={};class Rc extends Error{constructor(t,e){super(t),this.response=e}}class Ec extends Oc{constructor(t){super(t),this.mimeType="",this.responseType="",this._abortController=new AbortController}load(t,e,i,s){void 0===t&&(t=""),void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=Cc.get(`file:${t}`);if(void 0!==r)return this.manager.itemStart(t),void setTimeout(()=>{e&&e(r),this.manager.itemEnd(t)},0);if(void 0!==Pc[t])return void Pc[t].push({onLoad:e,onProgress:i,onError:s});Pc[t]=[],Pc[t].push({onLoad:e,onProgress:i,onError:s});const n=new Request(t,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin",signal:"function"==typeof AbortSignal.any?AbortSignal.any([this._abortController.signal,this.manager.abortController.signal]):this._abortController.signal}),a=this.mimeType,o=this.responseType;fetch(n).then(e=>{if(200===e.status||0===e.status){if(0===e.status&&as("FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===e.body||void 0===e.body.getReader)return e;const i=Pc[t],s=e.body.getReader(),r=e.headers.get("X-File-Size")||e.headers.get("Content-Length"),n=r?parseInt(r):0,a=0!==n;let o=0;const h=new ReadableStream({start(t){!function e(){s.read().then(({done:s,value:r})=>{if(s)t.close();else{o+=r.byteLength;const s=new ProgressEvent("progress",{lengthComputable:a,loaded:o,total:n});for(let t=0,e=i.length;t<e;t++){const e=i[t];e.onProgress&&e.onProgress(s)}t.enqueue(r),e()}},e=>{t.error(e)})}()}});return new Response(h)}throw new Rc(`fetch for "${e.url}" responded with ${e.status}: ${e.statusText}`,e)}).then(t=>{switch(o){case"arraybuffer":return t.arrayBuffer();case"blob":return t.blob();case"document":return t.text().then(t=>(new DOMParser).parseFromString(t,a));case"json":return t.json();default:if(""===a)return t.text();{const e=/charset="?([^;"\s]*)"?/i.exec(a),i=e&&e[1]?e[1].toLowerCase():void 0,s=new TextDecoder(i);return t.arrayBuffer().then(t=>s.decode(t))}}}).then(e=>{Cc.add(`file:${t}`,e);const i=Pc[t];delete Pc[t];for(let t=0,s=i.length;t<s;t++){const s=i[t];s.onLoad&&s.onLoad(e)}}).catch(e=>{const i=Pc[t];if(void 0===i)throw this.manager.itemError(t),e;delete Pc[t];for(let t=0,s=i.length;t<s;t++){const s=i[t];s.onError&&s.onError(e)}this.manager.itemError(t)}).finally(()=>{this.manager.itemEnd(t)}),this.manager.itemStart(t)}setResponseType(t){return this.responseType=t,this}setMimeType(t){return this.mimeType=t,this}abort(){return this._abortController.abort(),this._abortController=new AbortController,this}}class Nc extends Oc{constructor(t){super(t)}load(t,e,i,s){const r=this,n=new Ec(this.manager);n.setPath(this.path),n.setRequestHeader(this.requestHeader),n.setWithCredentials(this.withCredentials),n.load(t,function(i){try{e(r.parse(JSON.parse(i)))}catch(e){s?s(e):os(e),r.manager.itemError(t)}},i,s)}parse(t){const e=[];for(let i=0;i<t.length;i++){const s=Tc.parse(t[i]);e.push(s)}return e}}class Vc extends Oc{constructor(t){super(t)}load(t,e,i,s){const r=this,n=[],a=new oh,o=new Ec(this.manager);o.setPath(this.path),o.setResponseType("arraybuffer"),o.setRequestHeader(this.requestHeader),o.setWithCredentials(r.withCredentials);let h=0;function l(l){o.load(t[l],function(t){const i=r.parse(t,!0);n[l]={width:i.width,height:i.height,format:i.format,mipmaps:i.mipmaps},h+=1,6===h&&(1===i.mipmapCount&&(a.minFilter=Mt),a.image=n,a.format=i.format,a.needsUpdate=!0,e&&e(a))},i,s)}if(Array.isArray(t))for(let e=0,i=t.length;e<i;++e)l(e);else o.load(t,function(t){const i=r.parse(t,!0);if(i.isCubemap){const t=i.mipmaps.length/i.mipmapCount;for(let e=0;e<t;e++){n[e]={mipmaps:[]};for(let t=0;t<i.mipmapCount;t++)n[e].mipmaps.push(i.mipmaps[e*i.mipmapCount+t]),n[e].format=i.format,n[e].width=i.width,n[e].height=i.height}a.image=n}else a.image.width=i.width,a.image.height=i.height,a.mipmaps=i.mipmaps;1===i.mipmapCount&&(a.minFilter=Mt),a.format=i.format,a.needsUpdate=!0,e&&e(a)},i,s);return a}}const Fc=new WeakMap;class Lc extends Oc{constructor(t){super(t)}load(t,e,i,s){void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=this,n=Cc.get(`image:${t}`);if(void 0!==n){if(!0===n.complete)r.manager.itemStart(t),setTimeout(function(){e&&e(n),r.manager.itemEnd(t)},0);else{let t=Fc.get(n);void 0===t&&(t=[],Fc.set(n,t)),t.push({onLoad:e,onError:s})}return n}const a=Qi("img");function o(){l(),e&&e(this);const i=Fc.get(this)||[];for(let t=0;t<i.length;t++){const e=i[t];e.onLoad&&e.onLoad(this)}Fc.delete(this),r.manager.itemEnd(t)}function h(e){l(),s&&s(e),Cc.remove(`image:${t}`);const i=Fc.get(this)||[];for(let t=0;t<i.length;t++){const s=i[t];s.onError&&s.onError(e)}Fc.delete(this),r.manager.itemError(t),r.manager.itemEnd(t)}function l(){a.removeEventListener("load",o,!1),a.removeEventListener("error",h,!1)}return a.addEventListener("load",o,!1),a.addEventListener("error",h,!1),"data:"!==t.slice(0,5)&&void 0!==this.crossOrigin&&(a.crossOrigin=this.crossOrigin),Cc.add(`image:${t}`,a),r.manager.itemStart(t),a.src=t,a}}class Dc extends Oc{constructor(t){super(t)}load(t,e,i,s){const r=new ch;r.colorSpace=ei;const n=new Lc(this.manager);n.setCrossOrigin(this.crossOrigin),n.setPath(this.path);let a=0;function o(i){n.load(t[i],function(t){r.images[i]=t,a++,6===a&&(r.needsUpdate=!0,e&&e(r))},void 0,s)}for(let e=0;e<t.length;++e)o(e);return r}}class jc extends Oc{constructor(t){super(t)}load(t,e,i,s){const r=this,n=new Xa,a=new Ec(this.manager);return a.setResponseType("arraybuffer"),a.setRequestHeader(this.requestHeader),a.setPath(this.path),a.setWithCredentials(r.withCredentials),a.load(t,function(t){let i;try{i=r.parse(t)}catch(t){return void(void 0!==s?s(t):os(t))}r._applyTexData(n,i),e&&e(n,i)},i,s),n}createDataTexture(t){const e=new Xa;return this._applyTexData(e,this.parse(t)),e}_applyTexData(t,e){void 0!==e.image?t.image=e.image:void 0!==e.data&&(t.image.width=e.width,t.image.height=e.height,t.image.data=e.data),t.wrapS=void 0!==e.wrapS?e.wrapS:yt,t.wrapT=void 0!==e.wrapT?e.wrapT:yt,t.magFilter=void 0!==e.magFilter?e.magFilter:Mt,t.minFilter=void 0!==e.minFilter?e.minFilter:Mt,t.anisotropy=void 0!==e.anisotropy?e.anisotropy:1,void 0!==e.colorSpace&&(t.colorSpace=e.colorSpace),void 0!==e.flipY&&(t.flipY=e.flipY),void 0!==e.format&&(t.format=e.format),void 0!==e.type&&(t.type=e.type),void 0!==e.mipmaps&&(t.mipmaps=e.mipmaps,t.minFilter=At),1===e.mipmapCount&&(t.minFilter=Mt),void 0!==e.generateMipmaps&&(t.generateMipmaps=e.generateMipmaps),t.needsUpdate=!0}}class Uc extends Oc{constructor(t){super(t)}load(t,e,i,s){const r=new Js,n=new Lc(this.manager);return n.setCrossOrigin(this.crossOrigin),n.setPath(this.path),n.load(t,function(t){r.image=t,r.needsUpdate=!0,void 0!==e&&e(r)},i,s),r}}class Wc extends Ar{constructor(t,e=1){super(),this.isLight=!0,this.type="Light",this.color=new Pr(t),this.intensity=e}dispose(){this.dispatchEvent({type:"dispose"})}copy(t,e){return super.copy(t,e),this.color.copy(t.color),this.intensity=t.intensity,this}toJSON(t){const e=super.toJSON(t);return e.object.color=this.color.getHex(),e.object.intensity=this.intensity,e}}class Jc extends Wc{constructor(t,e,i){super(t,i),this.isHemisphereLight=!0,this.type="HemisphereLight",this.position.copy(Ar.DEFAULT_UP),this.updateMatrix(),this.groundColor=new Pr(e)}copy(t,e){return super.copy(t,e),this.groundColor.copy(t.groundColor),this}toJSON(t){const e=super.toJSON(t);return e.object.groundColor=this.groundColor.getHex(),e}}const qc=new Qs,Hc=new Ts,Xc=new Ts;class Yc{constructor(t){this.camera=t,this.intensity=1,this.bias=0,this.biasNode=null,this.normalBias=0,this.radius=1,this.blurSamples=8,this.mapSize=new _s(512,512),this.mapType=zt,this.map=null,this.mapPass=null,this.matrix=new Qs,this.autoUpdate=!0,this.needsUpdate=!1,this._frustum=new mo,this._frameExtents=new _s(1,1),this._viewportCount=1,this._viewports=[new qs(0,0,1,1)]}getViewportCount(){return this._viewportCount}getFrustum(){return this._frustum}updateMatrices(t){const e=this.camera,i=this.matrix;Hc.setFromMatrixPosition(t.matrixWorld),e.position.copy(Hc),Xc.setFromMatrixPosition(t.target.matrixWorld),e.lookAt(Xc),e.updateMatrixWorld(),qc.multiplyMatrices(e.projectionMatrix,e.matrixWorldInverse),this._frustum.setFromProjectionMatrix(qc,e.coordinateSystem,e.reversedDepth),e.coordinateSystem===Ji||e.reversedDepth?i.set(.5,0,0,.5,0,.5,0,.5,0,0,1,0,0,0,0,1):i.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),i.multiply(qc)}getViewport(t){return this._viewports[t]}getFrameExtents(){return this._frameExtents}dispose(){this.map&&this.map.dispose(),this.mapPass&&this.mapPass.dispose()}copy(t){return this.camera=t.camera.clone(),this.intensity=t.intensity,this.bias=t.bias,this.radius=t.radius,this.autoUpdate=t.autoUpdate,this.needsUpdate=t.needsUpdate,this.normalBias=t.normalBias,this.blurSamples=t.blurSamples,this.mapSize.copy(t.mapSize),this.biasNode=t.biasNode,this}clone(){return(new this.constructor).copy(this)}toJSON(){const t={};return 1!==this.intensity&&(t.intensity=this.intensity),0!==this.bias&&(t.bias=this.bias),0!==this.normalBias&&(t.normalBias=this.normalBias),1!==this.radius&&(t.radius=this.radius),512===this.mapSize.x&&512===this.mapSize.y||(t.mapSize=this.mapSize.toArray()),t.camera=this.camera.toJSON(!1).object,delete t.camera.matrix,t}}const Zc=new Ts,Gc=new As,$c=new Ts;class Qc extends Ar{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new Qs,this.projectionMatrix=new Qs,this.projectionMatrixInverse=new Qs,this.coordinateSystem=Wi,this._reversedDepth=!1}get reversedDepth(){return this._reversedDepth}copy(t,e){return super.copy(t,e),this.matrixWorldInverse.copy(t.matrixWorldInverse),this.projectionMatrix.copy(t.projectionMatrix),this.projectionMatrixInverse.copy(t.projectionMatrixInverse),this.coordinateSystem=t.coordinateSystem,this}getWorldDirection(t){return super.getWorldDirection(t).negate()}updateMatrixWorld(t){super.updateMatrixWorld(t),this.matrixWorld.decompose(Zc,Gc,$c),1===$c.x&&1===$c.y&&1===$c.z?this.matrixWorldInverse.copy(this.matrixWorld).invert():this.matrixWorldInverse.compose(Zc,Gc,$c.set(1,1,1)).invert()}updateWorldMatrix(t,e){super.updateWorldMatrix(t,e),this.matrixWorld.decompose(Zc,Gc,$c),1===$c.x&&1===$c.y&&1===$c.z?this.matrixWorldInverse.copy(this.matrixWorld).invert():this.matrixWorldInverse.compose(Zc,Gc,$c.set(1,1,1)).invert()}clone(){return(new this.constructor).copy(this)}}const Kc=new Ts,tu=new _s,eu=new _s;class iu extends Qc{constructor(t=50,e=1,i=.1,s=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=t,this.zoom=1,this.near=i,this.far=s,this.focus=10,this.aspect=e,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.fov=t.fov,this.zoom=t.zoom,this.near=t.near,this.far=t.far,this.focus=t.focus,this.aspect=t.aspect,this.view=null===t.view?null:Object.assign({},t.view),this.filmGauge=t.filmGauge,this.filmOffset=t.filmOffset,this}setFocalLength(t){const e=.5*this.getFilmHeight()/t;this.fov=2*gs*Math.atan(e),this.updateProjectionMatrix()}getFocalLength(){const t=Math.tan(.5*ys*this.fov);return.5*this.getFilmHeight()/t}getEffectiveFOV(){return 2*gs*Math.atan(Math.tan(.5*ys*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}getViewBounds(t,e,i){Kc.set(-1,-1,.5).applyMatrix4(this.projectionMatrixInverse),e.set(Kc.x,Kc.y).multiplyScalar(-t/Kc.z),Kc.set(1,1,.5).applyMatrix4(this.projectionMatrixInverse),i.set(Kc.x,Kc.y).multiplyScalar(-t/Kc.z)}getViewSize(t,e){return this.getViewBounds(t,tu,eu),e.subVectors(eu,tu)}setViewOffset(t,e,i,s,r,n){this.aspect=t/e,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=i,this.view.offsetY=s,this.view.width=r,this.view.height=n,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=this.near;let e=t*Math.tan(.5*ys*this.fov)/this.zoom,i=2*e,s=this.aspect*i,r=-.5*s;const n=this.view;if(null!==this.view&&this.view.enabled){const t=n.fullWidth,a=n.fullHeight;r+=n.offsetX*s/t,e-=n.offsetY*i/a,s*=n.width/t,i*=n.height/a}const a=this.filmOffset;0!==a&&(r+=t*a/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+s,e,e-i,t,this.far,this.coordinateSystem,this.reversedDepth),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.fov=this.fov,e.object.zoom=this.zoom,e.object.near=this.near,e.object.far=this.far,e.object.focus=this.focus,e.object.aspect=this.aspect,null!==this.view&&(e.object.view=Object.assign({},this.view)),e.object.filmGauge=this.filmGauge,e.object.filmOffset=this.filmOffset,e}}class su extends Yc{constructor(){super(new iu(50,1,.5,500)),this.isSpotLightShadow=!0,this.focus=1,this.aspect=1}updateMatrices(t){const e=this.camera,i=2*gs*t.angle*this.focus,s=this.mapSize.width/this.mapSize.height*this.aspect,r=t.distance||e.far;i===e.fov&&s===e.aspect&&r===e.far||(e.fov=i,e.aspect=s,e.far=r,e.updateProjectionMatrix()),super.updateMatrices(t)}copy(t){return super.copy(t),this.focus=t.focus,this}}class ru extends Wc{constructor(t,e,i=0,s=Math.PI/3,r=0,n=2){super(t,e),this.isSpotLight=!0,this.type="SpotLight",this.position.copy(Ar.DEFAULT_UP),this.updateMatrix(),this.target=new Ar,this.distance=i,this.angle=s,this.penumbra=r,this.decay=n,this.map=null,this.shadow=new su}get power(){return this.intensity*Math.PI}set power(t){this.intensity=t/Math.PI}dispose(){super.dispose(),this.shadow.dispose()}copy(t,e){return super.copy(t,e),this.distance=t.distance,this.angle=t.angle,this.penumbra=t.penumbra,this.decay=t.decay,this.target=t.target.clone(),this.map=t.map,this.shadow=t.shadow.clone(),this}toJSON(t){const e=super.toJSON(t);return e.object.distance=this.distance,e.object.angle=this.angle,e.object.decay=this.decay,e.object.penumbra=this.penumbra,e.object.target=this.target.uuid,this.map&&this.map.isTexture&&(e.object.map=this.map.toJSON(t).uuid),e.object.shadow=this.shadow.toJSON(),e}}class nu extends Yc{constructor(){super(new iu(90,1,.5,500)),this.isPointLightShadow=!0}}class au extends Wc{constructor(t,e,i=0,s=2){super(t,e),this.isPointLight=!0,this.type="PointLight",this.distance=i,this.decay=s,this.shadow=new nu}get power(){return 4*this.intensity*Math.PI}set power(t){this.intensity=t/(4*Math.PI)}dispose(){super.dispose(),this.shadow.dispose()}copy(t,e){return super.copy(t,e),this.distance=t.distance,this.decay=t.decay,this.shadow=t.shadow.clone(),this}toJSON(t){const e=super.toJSON(t);return e.object.distance=this.distance,e.object.decay=this.decay,e.object.shadow=this.shadow.toJSON(),e}}class ou extends Qc{constructor(t=-1,e=1,i=1,s=-1,r=.1,n=2e3){super(),this.isOrthographicCamera=!0,this.type="OrthographicCamera",this.zoom=1,this.view=null,this.left=t,this.right=e,this.top=i,this.bottom=s,this.near=r,this.far=n,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.left=t.left,this.right=t.right,this.top=t.top,this.bottom=t.bottom,this.near=t.near,this.far=t.far,this.zoom=t.zoom,this.view=null===t.view?null:Object.assign({},t.view),this}setViewOffset(t,e,i,s,r,n){null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=i,this.view.offsetY=s,this.view.width=r,this.view.height=n,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=(this.right-this.left)/(2*this.zoom),e=(this.top-this.bottom)/(2*this.zoom),i=(this.right+this.left)/2,s=(this.top+this.bottom)/2;let r=i-t,n=i+t,a=s+e,o=s-e;if(null!==this.view&&this.view.enabled){const t=(this.right-this.left)/this.view.fullWidth/this.zoom,e=(this.top-this.bottom)/this.view.fullHeight/this.zoom;r+=t*this.view.offsetX,n=r+t*this.view.width,a-=e*this.view.offsetY,o=a-e*this.view.height}this.projectionMatrix.makeOrthographic(r,n,a,o,this.near,this.far,this.coordinateSystem,this.reversedDepth),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.zoom=this.zoom,e.object.left=this.left,e.object.right=this.right,e.object.top=this.top,e.object.bottom=this.bottom,e.object.near=this.near,e.object.far=this.far,null!==this.view&&(e.object.view=Object.assign({},this.view)),e}}class hu extends Yc{constructor(){super(new ou(-5,5,5,-5,.5,500)),this.isDirectionalLightShadow=!0}}class lu extends Wc{constructor(t,e){super(t,e),this.isDirectionalLight=!0,this.type="DirectionalLight",this.position.copy(Ar.DEFAULT_UP),this.updateMatrix(),this.target=new Ar,this.shadow=new hu}dispose(){super.dispose(),this.shadow.dispose()}copy(t){return super.copy(t),this.target=t.target.clone(),this.shadow=t.shadow.clone(),this}toJSON(t){const e=super.toJSON(t);return e.object.shadow=this.shadow.toJSON(),e.object.target=this.target.uuid,e}}class cu extends Wc{constructor(t,e){super(t,e),this.isAmbientLight=!0,this.type="AmbientLight"}}class uu extends Wc{constructor(t,e,i=10,s=10){super(t,e),this.isRectAreaLight=!0,this.type="RectAreaLight",this.width=i,this.height=s}get power(){return this.intensity*this.width*this.height*Math.PI}set power(t){this.intensity=t/(this.width*this.height*Math.PI)}copy(t){return super.copy(t),this.width=t.width,this.height=t.height,this}toJSON(t){const e=super.toJSON(t);return e.object.width=this.width,e.object.height=this.height,e}}class du{constructor(){this.isSphericalHarmonics3=!0,this.coefficients=[];for(let t=0;t<9;t++)this.coefficients.push(new Ts)}set(t){for(let e=0;e<9;e++)this.coefficients[e].copy(t[e]);return this}zero(){for(let t=0;t<9;t++)this.coefficients[t].set(0,0,0);return this}getAt(t,e){const i=t.x,s=t.y,r=t.z,n=this.coefficients;return e.copy(n[0]).multiplyScalar(.282095),e.addScaledVector(n[1],.488603*s),e.addScaledVector(n[2],.488603*r),e.addScaledVector(n[3],.488603*i),e.addScaledVector(n[4],i*s*1.092548),e.addScaledVector(n[5],s*r*1.092548),e.addScaledVector(n[6],.315392*(3*r*r-1)),e.addScaledVector(n[7],i*r*1.092548),e.addScaledVector(n[8],.546274*(i*i-s*s)),e}getIrradianceAt(t,e){const i=t.x,s=t.y,r=t.z,n=this.coefficients;return e.copy(n[0]).multiplyScalar(.886227),e.addScaledVector(n[1],1.023328*s),e.addScaledVector(n[2],1.023328*r),e.addScaledVector(n[3],1.023328*i),e.addScaledVector(n[4],.858086*i*s),e.addScaledVector(n[5],.858086*s*r),e.addScaledVector(n[6],.743125*r*r-.247708),e.addScaledVector(n[7],.858086*i*r),e.addScaledVector(n[8],.429043*(i*i-s*s)),e}add(t){for(let e=0;e<9;e++)this.coefficients[e].add(t.coefficients[e]);return this}addScaledSH(t,e){for(let i=0;i<9;i++)this.coefficients[i].addScaledVector(t.coefficients[i],e);return this}scale(t){for(let e=0;e<9;e++)this.coefficients[e].multiplyScalar(t);return this}lerp(t,e){for(let i=0;i<9;i++)this.coefficients[i].lerp(t.coefficients[i],e);return this}equals(t){for(let e=0;e<9;e++)if(!this.coefficients[e].equals(t.coefficients[e]))return!1;return!0}copy(t){return this.set(t.coefficients)}clone(){return(new this.constructor).copy(this)}fromArray(t,e=0){const i=this.coefficients;for(let s=0;s<9;s++)i[s].fromArray(t,e+3*s);return this}toArray(t=[],e=0){const i=this.coefficients;for(let s=0;s<9;s++)i[s].toArray(t,e+3*s);return t}static getBasisAt(t,e){const i=t.x,s=t.y,r=t.z;e[0]=.282095,e[1]=.488603*s,e[2]=.488603*r,e[3]=.488603*i,e[4]=1.092548*i*s,e[5]=1.092548*s*r,e[6]=.315392*(3*r*r-1),e[7]=1.092548*i*r,e[8]=.546274*(i*i-s*s)}}class pu extends Wc{constructor(t=new du,e=1){super(void 0,e),this.isLightProbe=!0,this.sh=t}copy(t){return super.copy(t),this.sh.copy(t.sh),this}toJSON(t){const e=super.toJSON(t);return e.object.sh=this.sh.toArray(),e}}const mu={};class yu extends Oc{constructor(t){super(t),this.textures={}}load(t,e,i,s){const r=this,n=new Ec(r.manager);n.setPath(r.path),n.setRequestHeader(r.requestHeader),n.setWithCredentials(r.withCredentials),n.load(t,function(i){try{e(r.parse(JSON.parse(i)))}catch(e){s?s(e):os(e),r.manager.itemError(t)}},i,s)}parse(t){const e=this.createMaterialFromType(t.type);return e.fromJSON(t,this.textures),e}setTextures(t){return this.textures=t,this}createMaterialFromType(t){return yu.createMaterialFromType(t)}static createMaterialFromType(t){const e={ShadowMaterial:Jl,SpriteMaterial:Gn,RawShaderMaterial:$l,ShaderMaterial:Gl,PointsMaterial:$o,MeshPhysicalMaterial:Kl,MeshStandardMaterial:Ql,MeshPhongMaterial:tc,MeshToonMaterial:ec,MeshNormalMaterial:ic,MeshLambertMaterial:sc,MeshDepthMaterial:rc,MeshDistanceMaterial:nc,MeshBasicMaterial:Ma,MeshMatcapMaterial:ac,LineDashedMaterial:oc,LineBasicMaterial:Vo,Material:Zn,...mu}[t];let i;return void 0===e?(hs(`MaterialLoader: Unknown material type "${t}". Use .registerMaterial() before starting the deserialization process.`),i=new Zn):i=new e,i}static registerMaterial(t,e){mu[t]=e}}class gu{static extractUrlBase(t){const e=t.lastIndexOf("/");return-1===e?"./":t.slice(0,e+1)}static resolveURL(t,e){return"string"!=typeof t||""===t?"":(/^https?:\/\//i.test(e)&&/^\//.test(t)&&(e=e.replace(/(^https?:\/\/[^\/]+).*/i,"$1")),/^(https?:)?\/\//i.test(t)||/^data:.*,.*$/i.test(t)||/^blob:.*$/i.test(t)?t:e+t)}}class fu extends Wn{constructor(){super(),this.isInstancedBufferGeometry=!0,this.type="InstancedBufferGeometry",this.instanceCount=1/0}copy(t){return super.copy(t),this.instanceCount=t.instanceCount,this}toJSON(){const t=super.toJSON();return t.instanceCount=this.instanceCount,t.isInstancedBufferGeometry=!0,t}}class xu extends Oc{constructor(t){super(t)}load(t,e,i,s){const r=this,n=new Ec(r.manager);n.setPath(r.path),n.setRequestHeader(r.requestHeader),n.setWithCredentials(r.withCredentials),n.load(t,function(i){try{e(r.parse(JSON.parse(i)))}catch(e){s?s(e):os(e),r.manager.itemError(t)}},i,s)}parse(t){const e={},i={};function s(t,s){if(void 0!==e[s])return e[s];const r=t.interleavedBuffers[s],n=function(t,e){if(void 0!==i[e])return i[e];const s=t.arrayBuffers,r=s[e],n=new Uint32Array(r).buffer;return i[e]=n,n}(t,r.buffer),a=Gi(r.type,n),o=new Jn(a,r.stride);return o.uuid=r.uuid,e[s]=o,o}const r=t.isInstancedBufferGeometry?new fu:new Wn,n=t.data.index;if(void 0!==n){const t=Gi(n.type,n.array);r.setIndex(new Mn(t,1))}const a=t.data.attributes;for(const e in a){const i=a[e];let n;if(i.isInterleavedBufferAttribute){const e=s(t.data,i.data);n=new Hn(e,i.itemSize,i.offset,i.normalized)}else{const t=Gi(i.type,i.array);n=new(i.isInstancedBufferAttribute?$a:Mn)(t,i.itemSize,i.normalized)}void 0!==i.name&&(n.name=i.name),void 0!==i.usage&&n.setUsage(i.usage),r.setAttribute(e,n)}const o=t.data.morphAttributes;if(o)for(const e in o){const i=o[e],n=[];for(let e=0,r=i.length;e<r;e++){const r=i[e];let a;if(r.isInterleavedBufferAttribute){const e=s(t.data,r.data);a=new Hn(e,r.itemSize,r.offset,r.normalized)}else{const t=Gi(r.type,r.array);a=new Mn(t,r.itemSize,r.normalized)}void 0!==r.name&&(a.name=r.name),n.push(a)}r.morphAttributes[e]=n}t.data.morphTargetsRelative&&(r.morphTargetsRelative=!0);const h=t.data.groups||t.data.drawcalls||t.data.offsets;if(void 0!==h)for(let t=0,e=h.length;t!==e;++t){const e=h[t];r.addGroup(e.start,e.count,e.materialIndex)}const l=t.data.boundingSphere;return void 0!==l&&(r.boundingSphere=(new En).fromJSON(l)),t.name&&(r.name=t.name),t.userData&&(r.userData=t.userData),r}}const bu={};class vu extends Oc{constructor(t){super(t)}load(t,e,i,s){const r=this,n=""===this.path?gu.extractUrlBase(t):this.path;this.resourcePath=this.resourcePath||n;const a=new Ec(this.manager);a.setPath(this.path),a.setRequestHeader(this.requestHeader),a.setWithCredentials(this.withCredentials),a.load(t,function(i){let n=null;try{n=JSON.parse(i)}catch(e){return void 0!==s&&s(e),void os("ObjectLoader: Can't parse "+t+".",e.message)}const a=n.metadata;if(void 0===a||void 0===a.type||"geometry"===a.type.toLowerCase())return void 0!==s&&s(new Error("THREE.ObjectLoader: Can't load "+t)),void os("ObjectLoader: Can't load "+t);r.parse(n,e)},i,s)}async loadAsync(t,e){const i=""===this.path?gu.extractUrlBase(t):this.path;this.resourcePath=this.resourcePath||i;const s=new Ec(this.manager);s.setPath(this.path),s.setRequestHeader(this.requestHeader),s.setWithCredentials(this.withCredentials);const r=await s.loadAsync(t,e);let n;try{n=JSON.parse(r)}catch(e){throw new Error("THREE.ObjectLoader: Can't parse "+t+". "+e.message)}const a=n.metadata;if(void 0===a||void 0===a.type||"geometry"===a.type.toLowerCase())throw new Error("THREE.ObjectLoader: Can't load "+t);return await this.parseAsync(n)}parse(t,e){const i=this.parseAnimations(t.animations),s=this.parseShapes(t.shapes),r=this.parseGeometries(t.geometries,s),n=this.parseImages(t.images,function(){void 0!==e&&e(h)}),a=this.parseTextures(t.textures,n),o=this.parseMaterials(t.materials,a),h=this.parseObject(t.object,r,o,a,i),l=this.parseSkeletons(t.skeletons,h);if(this.bindSkeletons(h,l),this.bindLightTargets(h),void 0!==e){let t=!1;for(const e in n)if(n[e].data instanceof HTMLImageElement){t=!0;break}!1===t&&e(h)}return h}async parseAsync(t){const e=this.parseAnimations(t.animations),i=this.parseShapes(t.shapes),s=this.parseGeometries(t.geometries,i),r=await this.parseImagesAsync(t.images),n=this.parseTextures(t.textures,r),a=this.parseMaterials(t.materials,n),o=this.parseObject(t.object,s,a,n,e),h=this.parseSkeletons(t.skeletons,o);return this.bindSkeletons(o,h),this.bindLightTargets(o),o}static registerGeometry(t,e){bu[t]=e}parseShapes(t){const e={};if(void 0!==t)for(let i=0,s=t.length;i<s;i++){const s=(new $h).fromJSON(t[i]);e[s.uuid]=s}return e}parseSkeletons(t,e){const i={},s={};if(e.traverse(function(t){t.isBone&&(s[t.uuid]=t)}),void 0!==t)for(let e=0,r=t.length;e<r;e++){const r=(new Ga).fromJSON(t[e],s);i[r.uuid]=r}return i}parseGeometries(t,e){const i={};if(void 0!==t){const s=new xu;for(let r=0,n=t.length;r<n;r++){let n;const a=t[r];switch(a.type){case"BufferGeometry":case"InstancedBufferGeometry":n=s.parse(a);break;default:a.type in Wl?n=Wl[a.type].fromJSON(a,e):a.type in bu?n=bu[a.type].fromJSON(a,e):as(`ObjectLoader: Unknown geometry type "${a.type}". Use .registerGeometry() before starting the deserialization process.`)}n.uuid=a.uuid,void 0!==a.name&&(n.name=a.name),void 0!==a.userData&&(n.userData=a.userData),i[a.uuid]=n}}return i}parseMaterials(t,e){const i={},s={};if(void 0!==t){const r=new yu;r.setTextures(e);for(let e=0,n=t.length;e<n;e++){const n=t[e];void 0===i[n.uuid]&&(i[n.uuid]=r.parse(n)),s[n.uuid]=i[n.uuid]}}return s}parseAnimations(t){const e={};if(void 0!==t)for(let i=0;i<t.length;i++){const s=t[i],r=Tc.parse(s);e[r.uuid]=r}return e}parseImages(t,e){const i=this,s={};let r;function n(t){if("string"==typeof t){const e=t;return function(t){return t=i.manager.resolveURL(t),i.manager.itemStart(t),r.load(t,function(){i.manager.itemEnd(t)},void 0,function(){i.manager.itemError(t),i.manager.itemEnd(t)})}(/^(\/\/)|([a-z]+:(\/\/)?)/i.test(e)?e:i.resourcePath+e)}return t.data?{data:Gi(t.type,t.data),width:t.width,height:t.height}:null}if(void 0!==t&&t.length>0){const i=new Bc(e);r=new Lc(i),r.setCrossOrigin(this.crossOrigin);for(let e=0,i=t.length;e<i;e++){const i=t[e],r=i.url;if(Array.isArray(r)){const t=[];for(let e=0,i=r.length;e<i;e++){const i=n(r[e]);null!==i&&(i instanceof HTMLImageElement?t.push(i):t.push(new Xa(i.data,i.width,i.height)))}s[i.uuid]=new Ds(t)}else{const t=n(i.url);s[i.uuid]=new Ds(t)}}}return s}async parseImagesAsync(t){const e=this,i={};let s;async function r(t){if("string"==typeof t){const i=t,r=/^(\/\/)|([a-z]+:(\/\/)?)/i.test(i)?i:e.resourcePath+i;return await s.loadAsync(r)}return t.data?{data:Gi(t.type,t.data),width:t.width,height:t.height}:null}if(void 0!==t&&t.length>0){s=new Lc(this.manager),s.setCrossOrigin(this.crossOrigin);for(let e=0,s=t.length;e<s;e++){const s=t[e],n=s.url;if(Array.isArray(n)){const t=[];for(let e=0,i=n.length;e<i;e++){const i=n[e],s=await r(i);null!==s&&(s instanceof HTMLImageElement?t.push(s):t.push(new Xa(s.data,s.width,s.height)))}i[s.uuid]=new Ds(t)}else{const t=await r(s.url);i[s.uuid]=new Ds(t)}}}return i}parseTextures(t,e){function i(t,e){return"number"==typeof t?t:(as("ObjectLoader.parseTexture: Constant should be in numeric form.",t),e[t])}const s={};if(void 0!==t)for(let r=0,n=t.length;r<n;r++){const n=t[r];void 0===n.image&&as('ObjectLoader: No "image" specified for',n.uuid),void 0===e[n.image]&&as("ObjectLoader: Undefined image",n.image);const a=e[n.image],o=a.data;let h;Array.isArray(o)?(h=new ch,6===o.length&&(h.needsUpdate=!0)):(h=o&&o.data?new Xa:new Js,o&&(h.needsUpdate=!0)),h.source=a,h.uuid=n.uuid,void 0!==n.name&&(h.name=n.name),void 0!==n.mapping&&(h.mapping=i(n.mapping,wu)),void 0!==n.channel&&(h.channel=n.channel),void 0!==n.offset&&h.offset.fromArray(n.offset),void 0!==n.repeat&&h.repeat.fromArray(n.repeat),void 0!==n.center&&h.center.fromArray(n.center),void 0!==n.rotation&&(h.rotation=n.rotation),void 0!==n.wrap&&(h.wrapS=i(n.wrap[0],Mu),h.wrapT=i(n.wrap[1],Mu)),void 0!==n.format&&(h.format=n.format),void 0!==n.internalFormat&&(h.internalFormat=n.internalFormat),void 0!==n.type&&(h.type=n.type),void 0!==n.colorSpace&&(h.colorSpace=n.colorSpace),void 0!==n.minFilter&&(h.minFilter=i(n.minFilter,Su)),void 0!==n.magFilter&&(h.magFilter=i(n.magFilter,Su)),void 0!==n.anisotropy&&(h.anisotropy=n.anisotropy),void 0!==n.flipY&&(h.flipY=n.flipY),void 0!==n.generateMipmaps&&(h.generateMipmaps=n.generateMipmaps),void 0!==n.premultiplyAlpha&&(h.premultiplyAlpha=n.premultiplyAlpha),void 0!==n.unpackAlignment&&(h.unpackAlignment=n.unpackAlignment),void 0!==n.compareFunction&&(h.compareFunction=n.compareFunction),void 0!==n.normalized&&(h.normalized=n.normalized),void 0!==n.userData&&(h.userData=n.userData),s[n.uuid]=h}return s}parseObject(t,e,i,s,r){let n,a,o;function h(t){return void 0===e[t]&&as("ObjectLoader: Undefined geometry",t),e[t]}function l(t){if(void 0!==t){if(Array.isArray(t)){const e=[];for(let s=0,r=t.length;s<r;s++){const r=t[s];void 0===i[r]&&as("ObjectLoader: Undefined material",r),e.push(i[r])}return e}return void 0===i[t]&&as("ObjectLoader: Undefined material",t),i[t]}}function c(t){return void 0===s[t]&&as("ObjectLoader: Undefined texture",t),s[t]}switch(t.type){case"Scene":n=new Vr,void 0!==t.background&&(Number.isInteger(t.background)?n.background=new Pr(t.background):n.background=c(t.background)),void 0!==t.environment&&(n.environment=c(t.environment)),void 0!==t.fog&&("Fog"===t.fog.type?n.fog=new Nr(t.fog.color,t.fog.near,t.fog.far):"FogExp2"===t.fog.type&&(n.fog=new Er(t.fog.color,t.fog.density)),""!==t.fog.name&&(n.fog.name=t.fog.name)),void 0!==t.backgroundBlurriness&&(n.backgroundBlurriness=t.backgroundBlurriness),void 0!==t.backgroundIntensity&&(n.backgroundIntensity=t.backgroundIntensity),void 0!==t.backgroundRotation&&n.backgroundRotation.fromArray(t.backgroundRotation),void 0!==t.environmentIntensity&&(n.environmentIntensity=t.environmentIntensity),void 0!==t.environmentRotation&&n.environmentRotation.fromArray(t.environmentRotation);break;case"PerspectiveCamera":n=new iu(t.fov,t.aspect,t.near,t.far),void 0!==t.focus&&(n.focus=t.focus),void 0!==t.zoom&&(n.zoom=t.zoom),void 0!==t.filmGauge&&(n.filmGauge=t.filmGauge),void 0!==t.filmOffset&&(n.filmOffset=t.filmOffset),void 0!==t.view&&(n.view=Object.assign({},t.view));break;case"OrthographicCamera":n=new ou(t.left,t.right,t.top,t.bottom,t.near,t.far),void 0!==t.zoom&&(n.zoom=t.zoom),void 0!==t.view&&(n.view=Object.assign({},t.view));break;case"AmbientLight":n=new cu(t.color,t.intensity);break;case"DirectionalLight":n=new lu(t.color,t.intensity),n.target=t.target||"";break;case"PointLight":n=new au(t.color,t.intensity,t.distance,t.decay);break;case"RectAreaLight":n=new uu(t.color,t.intensity,t.width,t.height);break;case"SpotLight":n=new ru(t.color,t.intensity,t.distance,t.angle,t.penumbra,t.decay),n.target=t.target||"";break;case"HemisphereLight":n=new Jc(t.color,t.groundColor,t.intensity);break;case"LightProbe":const e=(new du).fromArray(t.sh);n=new pu(e,t.intensity);break;case"SkinnedMesh":a=h(t.geometry),o=l(t.material),n=new qa(a,o),void 0!==t.bindMode&&(n.bindMode=t.bindMode),void 0!==t.bindMatrix&&n.bindMatrix.fromArray(t.bindMatrix),void 0!==t.skeleton&&(n.skeleton=t.skeleton);break;case"Mesh":a=h(t.geometry),o=l(t.material),n=new Ra(a,o);break;case"InstancedMesh":a=h(t.geometry),o=l(t.material);const i=t.count,s=t.instanceMatrix,r=t.instanceColor;n=new no(a,o,i),n.instanceMatrix=new $a(new Float32Array(s.array),16),void 0!==r&&(n.instanceColor=new $a(new Float32Array(r.array),r.itemSize));break;case"BatchedMesh":a=h(t.geometry),o=l(t.material),n=new No(t.maxInstanceCount,t.maxVertexCount,t.maxIndexCount,o),n.geometry=a,n.perObjectFrustumCulled=t.perObjectFrustumCulled,n.sortObjects=t.sortObjects,n._drawRanges=t.drawRanges,n._reservedRanges=t.reservedRanges,n._geometryInfo=t.geometryInfo.map(t=>{let e=null,i=null;return void 0!==t.boundingBox&&(e=(new Qr).fromJSON(t.boundingBox)),void 0!==t.boundingSphere&&(i=(new En).fromJSON(t.boundingSphere)),{...t,boundingBox:e,boundingSphere:i}}),n._instanceInfo=t.instanceInfo,n._availableInstanceIds=t._availableInstanceIds,n._availableGeometryIds=t._availableGeometryIds,n._nextIndexStart=t.nextIndexStart,n._nextVertexStart=t.nextVertexStart,n._geometryCount=t.geometryCount,n._maxInstanceCount=t.maxInstanceCount,n._maxVertexCount=t.maxVertexCount,n._maxIndexCount=t.maxIndexCount,n._geometryInitialized=t.geometryInitialized,n._matricesTexture=c(t.matricesTexture.uuid),n._indirectTexture=c(t.indirectTexture.uuid),void 0!==t.colorsTexture&&(n._colorsTexture=c(t.colorsTexture.uuid)),void 0!==t.boundingSphere&&(n.boundingSphere=(new En).fromJSON(t.boundingSphere)),void 0!==t.boundingBox&&(n.boundingBox=(new Qr).fromJSON(t.boundingBox));break;case"LOD":n=new pa;break;case"Line":n=new qo(h(t.geometry),l(t.material));break;case"LineLoop":n=new Go(h(t.geometry),l(t.material));break;case"LineSegments":n=new Zo(h(t.geometry),l(t.material));break;case"PointCloud":case"Points":n=new ih(h(t.geometry),l(t.material));break;case"Sprite":n=new la(l(t.material));break;case"Group":n=new Tr;break;case"Bone":n=new Ha;break;default:n=new Ar}if(n.uuid=t.uuid,void 0!==t.name&&(n.name=t.name),void 0!==t.matrix?(n.matrix.fromArray(t.matrix),void 0!==t.matrixAutoUpdate&&(n.matrixAutoUpdate=t.matrixAutoUpdate),n.matrixAutoUpdate&&n.matrix.decompose(n.position,n.quaternion,n.scale)):(void 0!==t.position&&n.position.fromArray(t.position),void 0!==t.rotation&&n.rotation.fromArray(t.rotation),void 0!==t.quaternion&&n.quaternion.fromArray(t.quaternion),void 0!==t.scale&&n.scale.fromArray(t.scale)),void 0!==t.up&&n.up.fromArray(t.up),void 0!==t.pivot&&(n.pivot=(new Ts).fromArray(t.pivot)),void 0!==t.morphTargetDictionary&&(n.morphTargetDictionary=Object.assign({},t.morphTargetDictionary)),void 0!==t.morphTargetInfluences&&(n.morphTargetInfluences=t.morphTargetInfluences.slice()),void 0!==t.castShadow&&(n.castShadow=t.castShadow),void 0!==t.receiveShadow&&(n.receiveShadow=t.receiveShadow),t.shadow&&(void 0!==t.shadow.intensity&&(n.shadow.intensity=t.shadow.intensity),void 0!==t.shadow.bias&&(n.shadow.bias=t.shadow.bias),void 0!==t.shadow.normalBias&&(n.shadow.normalBias=t.shadow.normalBias),void 0!==t.shadow.radius&&(n.shadow.radius=t.shadow.radius),void 0!==t.shadow.mapSize&&n.shadow.mapSize.fromArray(t.shadow.mapSize),void 0!==t.shadow.camera&&(n.shadow.camera=this.parseObject(t.shadow.camera))),void 0!==t.visible&&(n.visible=t.visible),void 0!==t.frustumCulled&&(n.frustumCulled=t.frustumCulled),void 0!==t.renderOrder&&(n.renderOrder=t.renderOrder),void 0!==t.static&&(n.static=t.static),void 0!==t.userData&&(n.userData=t.userData),void 0!==t.layers&&(n.layers.mask=t.layers),void 0!==t.children){const a=t.children;for(let t=0;t<a.length;t++)n.add(this.parseObject(a[t],e,i,s,r))}if(void 0!==t.animations){const e=t.animations;for(let t=0;t<e.length;t++){const i=e[t];n.animations.push(r[i])}}if("LOD"===t.type){void 0!==t.autoUpdate&&(n.autoUpdate=t.autoUpdate);const e=t.levels;for(let t=0;t<e.length;t++){const i=e[t],s=n.getObjectByProperty("uuid",i.object);void 0!==s&&n.addLevel(s,i.distance,i.hysteresis)}}return n}bindSkeletons(t,e){0!==Object.keys(e).length&&t.traverse(function(t){if(!0===t.isSkinnedMesh&&void 0!==t.skeleton){const i=e[t.skeleton];void 0===i?as("ObjectLoader: No skeleton found with UUID:",t.skeleton):t.bind(i,t.bindMatrix)}})}bindLightTargets(t){t.traverse(function(e){if(e.isDirectionalLight||e.isSpotLight){const i=e.target,s=t.getObjectByProperty("uuid",i);e.target=void 0!==s?s:new Ar}})}}const wu={UVMapping:ht,CubeReflectionMapping:lt,CubeRefractionMapping:302,EquirectangularReflectionMapping:303,EquirectangularRefractionMapping:304,CubeUVReflectionMapping:306},Mu={RepeatWrapping:mt,ClampToEdgeWrapping:yt,MirroredRepeatWrapping:gt},Su={NearestFilter:ft,NearestMipmapNearestFilter:1004,NearestMipmapLinearFilter:1005,LinearFilter:Mt,LinearMipmapNearestFilter:1007,LinearMipmapLinearFilter:At},_u=new WeakMap;class Au extends Oc{constructor(t){super(t),this.isImageBitmapLoader=!0,"undefined"==typeof createImageBitmap&&as("ImageBitmapLoader: createImageBitmap() not supported."),"undefined"==typeof fetch&&as("ImageBitmapLoader: fetch() not supported."),this.options={premultiplyAlpha:"none"},this._abortController=new AbortController}setOptions(t){return this.options=t,this}load(t,e,i,s){void 0===t&&(t=""),void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=this,n=Cc.get(`image-bitmap:${t}`);if(void 0!==n)return r.manager.itemStart(t),n.then?void n.then(i=>{!0===_u.has(n)?(s&&s(_u.get(n)),r.manager.itemError(t),r.manager.itemEnd(t)):(e&&e(i),r.manager.itemEnd(t))}):void setTimeout(function(){e&&e(n),r.manager.itemEnd(t)},0);const a={};a.credentials="anonymous"===this.crossOrigin?"same-origin":"include",a.headers=this.requestHeader,a.signal="function"==typeof AbortSignal.any?AbortSignal.any([this._abortController.signal,this.manager.abortController.signal]):this._abortController.signal;const o=fetch(t,a).then(function(t){return t.blob()}).then(function(t){return createImageBitmap(t,Object.assign(r.options,{colorSpaceConversion:"none"}))}).then(function(i){Cc.add(`image-bitmap:${t}`,i),e&&e(i),r.manager.itemEnd(t)}).catch(function(e){s&&s(e),_u.set(o,e),Cc.remove(`image-bitmap:${t}`),r.manager.itemError(t),r.manager.itemEnd(t)});Cc.add(`image-bitmap:${t}`,o),r.manager.itemStart(t)}abort(){return this._abortController.abort(),this._abortController=new AbortController,this}}let Tu;class zu{static getContext(){return void 0===Tu&&(Tu=new(window.AudioContext||window.webkitAudioContext)),Tu}static setContext(t){Tu=t}}class Cu extends Oc{constructor(t){super(t)}load(t,e,i,s){const r=this,n=new Ec(this.manager);function a(e){s?s(e):os(e),r.manager.itemError(t)}n.setResponseType("arraybuffer"),n.setPath(this.path),n.setRequestHeader(this.requestHeader),n.setWithCredentials(this.withCredentials),n.load(t,function(i){try{const s=i.slice(0),n=zu.getContext(),o=t+"#decode";r.manager.itemStart(o),n.decodeAudioData(s,function(t){e(t),r.manager.itemEnd(o)}).catch(function(t){a(t),r.manager.itemEnd(o)})}catch(t){a(t)}},i,s)}}const Iu=new Qs,Bu=new Qs,ku=new Qs;class Ou{constructor(){this.type="StereoCamera",this.aspect=1,this.eyeSep=.064,this.cameraL=new iu,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new iu,this.cameraR.layers.enable(2),this.cameraR.matrixAutoUpdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null}}update(t){const e=this._cache;if(e.focus!==t.focus||e.fov!==t.fov||e.aspect!==t.aspect*this.aspect||e.near!==t.near||e.far!==t.far||e.zoom!==t.zoom||e.eyeSep!==this.eyeSep){e.focus=t.focus,e.fov=t.fov,e.aspect=t.aspect*this.aspect,e.near=t.near,e.far=t.far,e.zoom=t.zoom,e.eyeSep=this.eyeSep,ku.copy(t.projectionMatrix);const i=e.eyeSep/2,s=i*e.near/e.focus,r=e.near*Math.tan(ys*e.fov*.5)/e.zoom;let n,a;Bu.elements[12]=-i,Iu.elements[12]=i,n=-r*e.aspect+s,a=r*e.aspect+s,ku.elements[0]=2*e.near/(a-n),ku.elements[8]=(a+n)/(a-n),this.cameraL.projectionMatrix.copy(ku),n=-r*e.aspect-s,a=r*e.aspect-s,ku.elements[0]=2*e.near/(a-n),ku.elements[8]=(a+n)/(a-n),this.cameraR.projectionMatrix.copy(ku)}this.cameraL.matrixWorld.copy(t.matrixWorld).multiply(Bu),this.cameraR.matrixWorld.copy(t.matrixWorld).multiply(Iu)}}const Pu=-90;class Ru extends Ar{constructor(t,e,i){super(),this.type="CubeCamera",this.renderTarget=i,this.coordinateSystem=null,this.activeMipmapLevel=0;const s=new iu(Pu,1,t,e);s.layers=this.layers,this.add(s);const r=new iu(Pu,1,t,e);r.layers=this.layers,this.add(r);const n=new iu(Pu,1,t,e);n.layers=this.layers,this.add(n);const a=new iu(Pu,1,t,e);a.layers=this.layers,this.add(a);const o=new iu(Pu,1,t,e);o.layers=this.layers,this.add(o);const h=new iu(Pu,1,t,e);h.layers=this.layers,this.add(h)}updateCoordinateSystem(){const t=this.coordinateSystem,e=this.children.concat(),[i,s,r,n,a,o]=e;for(const t of e)this.remove(t);if(t===Wi)i.up.set(0,1,0),i.lookAt(1,0,0),s.up.set(0,1,0),s.lookAt(-1,0,0),r.up.set(0,0,-1),r.lookAt(0,1,0),n.up.set(0,0,1),n.lookAt(0,-1,0),a.up.set(0,1,0),a.lookAt(0,0,1),o.up.set(0,1,0),o.lookAt(0,0,-1);else{if(t!==Ji)throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+t);i.up.set(0,-1,0),i.lookAt(-1,0,0),s.up.set(0,-1,0),s.lookAt(1,0,0),r.up.set(0,0,1),r.lookAt(0,1,0),n.up.set(0,0,-1),n.lookAt(0,-1,0),a.up.set(0,-1,0),a.lookAt(0,0,1),o.up.set(0,-1,0),o.lookAt(0,0,-1)}for(const t of e)this.add(t),t.updateMatrixWorld()}update(t,e){null===this.parent&&this.updateMatrixWorld();const{renderTarget:i,activeMipmapLevel:s}=this;this.coordinateSystem!==t.coordinateSystem&&(this.coordinateSystem=t.coordinateSystem,this.updateCoordinateSystem());const[r,n,a,o,h,l]=this.children,c=t.getRenderTarget(),u=t.getActiveCubeFace(),d=t.getActiveMipmapLevel(),p=t.xr.enabled;t.xr.enabled=!1;const m=i.texture.generateMipmaps;i.texture.generateMipmaps=!1;let y=!1;y=!0===t.isWebGLRenderer?t.state.buffers.depth.getReversed():t.reversedDepthBuffer,t.setRenderTarget(i,0,s),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,r),t.setRenderTarget(i,1,s),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,n),t.setRenderTarget(i,2,s),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,a),t.setRenderTarget(i,3,s),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,o),t.setRenderTarget(i,4,s),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,h),i.texture.generateMipmaps=m,t.setRenderTarget(i,5,s),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,l),t.setRenderTarget(c,u,d),t.xr.enabled=p,i.texture.needsPMREMUpdate=!0}}class Eu extends iu{constructor(t=[]){super(),this.isArrayCamera=!0,this.isMultiViewCamera=!1,this.cameras=t}}class Nu{constructor(){this._previousTime=0,this._currentTime=0,this._startTime=performance.now(),this._delta=0,this._elapsed=0,this._timescale=1,this._document=null,this._pageVisibilityHandler=null}connect(t){this._document=t,void 0!==t.hidden&&(this._pageVisibilityHandler=Vu.bind(this),t.addEventListener("visibilitychange",this._pageVisibilityHandler,!1))}disconnect(){null!==this._pageVisibilityHandler&&(this._document.removeEventListener("visibilitychange",this._pageVisibilityHandler),this._pageVisibilityHandler=null),this._document=null}getDelta(){return this._delta/1e3}getElapsed(){return this._elapsed/1e3}getTimescale(){return this._timescale}setTimescale(t){return this._timescale=t,this}reset(){return this._currentTime=performance.now()-this._startTime,this}dispose(){this.disconnect()}update(t){return null!==this._pageVisibilityHandler&&!0===this._document.hidden?this._delta=0:(this._previousTime=this._currentTime,this._currentTime=(void 0!==t?t:performance.now())-this._startTime,this._delta=(this._currentTime-this._previousTime)*this._timescale,this._elapsed+=this._delta),this}}function Vu(){!1===this._document.hidden&&this.reset()}const Fu=new Ts,Lu=new As,Du=new Ts,ju=new Ts,Uu=new Ts;class Wu extends Ar{constructor(){super(),this.type="AudioListener",this.context=zu.getContext(),this.gain=this.context.createGain(),this.gain.connect(this.context.destination),this.filter=null,this.timeDelta=0,this._timer=new Nu}getInput(){return this.gain}removeFilter(){return null!==this.filter&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null),this}getFilter(){return this.filter}setFilter(t){return null!==this.filter?(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)):this.gain.disconnect(this.context.destination),this.filter=t,this.gain.connect(this.filter),this.filter.connect(this.context.destination),this}getMasterVolume(){return this.gain.gain.value}setMasterVolume(t){return this.gain.gain.setTargetAtTime(t,this.context.currentTime,.01),this}updateMatrixWorld(t){super.updateMatrixWorld(t),this._timer.update();const e=this.context.listener;if(this.timeDelta=this._timer.getDelta(),this.matrixWorld.decompose(Fu,Lu,Du),ju.set(0,0,-1).applyQuaternion(Lu),Uu.set(0,1,0).applyQuaternion(Lu),e.positionX){const t=this.context.currentTime+this.timeDelta;e.positionX.linearRampToValueAtTime(Fu.x,t),e.positionY.linearRampToValueAtTime(Fu.y,t),e.positionZ.linearRampToValueAtTime(Fu.z,t),e.forwardX.linearRampToValueAtTime(ju.x,t),e.forwardY.linearRampToValueAtTime(ju.y,t),e.forwardZ.linearRampToValueAtTime(ju.z,t),e.upX.linearRampToValueAtTime(Uu.x,t),e.upY.linearRampToValueAtTime(Uu.y,t),e.upZ.linearRampToValueAtTime(Uu.z,t)}else e.setPosition(Fu.x,Fu.y,Fu.z),e.setOrientation(ju.x,ju.y,ju.z,Uu.x,Uu.y,Uu.z)}}class Ju extends Ar{constructor(t){super(),this.type="Audio",this.listener=t,this.context=t.context,this.gain=this.context.createGain(),this.gain.connect(t.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType="empty",this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(t){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=t,this.connect(),this}setMediaElementSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(t),this.connect(),this}setMediaStreamSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(t),this.connect(),this}setBuffer(t){return this.buffer=t,this.sourceType="buffer",this.autoplay&&this.play(),this}play(t=0){if(!0===this.isPlaying)return void as("Audio: Audio is already playing.");if(!1===this.hasPlaybackControl)return void as("Audio: this Audio has no playback control.");this._startedAt=this.context.currentTime+t;const e=this.context.createBufferSource();return e.buffer=this.buffer,e.loop=this.loop,e.loopStart=this.loopStart,e.loopEnd=this.loopEnd,e.onended=this.onEnded.bind(this),e.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=e,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(!1!==this.hasPlaybackControl)return!0===this.isPlaying&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,!0===this.loop&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this;as("Audio: this Audio has no playback control.")}stop(t=0){if(!1!==this.hasPlaybackControl)return this._progress=0,null!==this.source&&(this.source.stop(this.context.currentTime+t),this.source.onended=null),this.isPlaying=!1,this;as("Audio: this Audio has no playback control.")}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let t=1,e=this.filters.length;t<e;t++)this.filters[t-1].connect(this.filters[t]);this.filters[this.filters.length-1].connect(this.getOutput())}else this.source.connect(this.getOutput());return this._connected=!0,this}disconnect(){if(!1!==this._connected){if(this.filters.length>0){this.source.disconnect(this.filters[0]);for(let t=1,e=this.filters.length;t<e;t++)this.filters[t-1].disconnect(this.filters[t]);this.filters[this.filters.length-1].disconnect(this.getOutput())}else this.source.disconnect(this.getOutput());return this._connected=!1,this}}getFilters(){return this.filters}setFilters(t){return t||(t=[]),!0===this._connected?(this.disconnect(),this.filters=t.slice(),this.connect()):this.filters=t.slice(),this}setDetune(t){return this.detune=t,!0===this.isPlaying&&void 0!==this.source.detune&&this.source.detune.setTargetAtTime(this.detune,this.context.currentTime,.01),this}getDetune(){return this.detune}getFilter(){return this.getFilters()[0]}setFilter(t){return this.setFilters(t?[t]:[])}setPlaybackRate(t){if(!1!==this.hasPlaybackControl)return this.playbackRate=t,!0===this.isPlaying&&this.source.playbackRate.setTargetAtTime(this.playbackRate,this.context.currentTime,.01),this;as("Audio: this Audio has no playback control.")}getPlaybackRate(){return this.playbackRate}onEnded(){this.isPlaying=!1,this._progress=0}getLoop(){return!1===this.hasPlaybackControl?(as("Audio: this Audio has no playback control."),!1):this.loop}setLoop(t){if(!1!==this.hasPlaybackControl)return this.loop=t,!0===this.isPlaying&&(this.source.loop=this.loop),this;as("Audio: this Audio has no playback control.")}setLoopStart(t){return this.loopStart=t,this}setLoopEnd(t){return this.loopEnd=t,this}getVolume(){return this.gain.gain.value}setVolume(t){return this.gain.gain.setTargetAtTime(t,this.context.currentTime,.01),this}copy(t,e){return super.copy(t,e),"buffer"!==t.sourceType?(as("Audio: Audio source type cannot be copied."),this):(this.autoplay=t.autoplay,this.buffer=t.buffer,this.detune=t.detune,this.loop=t.loop,this.loopStart=t.loopStart,this.loopEnd=t.loopEnd,this.offset=t.offset,this.duration=t.duration,this.playbackRate=t.playbackRate,this.hasPlaybackControl=t.hasPlaybackControl,this.sourceType=t.sourceType,this.filters=t.filters.slice(),this)}clone(t){return new this.constructor(this.listener).copy(this,t)}}const qu=new Ts,Hu=new As,Xu=new Ts,Yu=new Ts;class Zu extends Ju{constructor(t){super(t),this.panner=this.context.createPanner(),this.panner.panningModel="HRTF",this.panner.connect(this.gain)}connect(){return super.connect(),this.panner.connect(this.gain),this}disconnect(){return super.disconnect(),this.panner.disconnect(this.gain),this}getOutput(){return this.panner}getRefDistance(){return this.panner.refDistance}setRefDistance(t){return this.panner.refDistance=t,this}getRolloffFactor(){return this.panner.rolloffFactor}setRolloffFactor(t){return this.panner.rolloffFactor=t,this}getDistanceModel(){return this.panner.distanceModel}setDistanceModel(t){return this.panner.distanceModel=t,this}getMaxDistance(){return this.panner.maxDistance}setMaxDistance(t){return this.panner.maxDistance=t,this}setDirectionalCone(t,e,i){return this.panner.coneInnerAngle=t,this.panner.coneOuterAngle=e,this.panner.coneOuterGain=i,this}updateMatrixWorld(t){if(super.updateMatrixWorld(t),!0===this.hasPlaybackControl&&!1===this.isPlaying)return;this.matrixWorld.decompose(qu,Hu,Xu),Yu.set(0,0,1).applyQuaternion(Hu);const e=this.panner;if(e.positionX){const t=this.context.currentTime+this.listener.timeDelta;e.positionX.linearRampToValueAtTime(qu.x,t),e.positionY.linearRampToValueAtTime(qu.y,t),e.positionZ.linearRampToValueAtTime(qu.z,t),e.orientationX.linearRampToValueAtTime(Yu.x,t),e.orientationY.linearRampToValueAtTime(Yu.y,t),e.orientationZ.linearRampToValueAtTime(Yu.z,t)}else e.setPosition(qu.x,qu.y,qu.z),e.setOrientation(Yu.x,Yu.y,Yu.z)}}class Gu{constructor(t,e=2048){this.analyser=t.context.createAnalyser(),this.analyser.fftSize=e,this.data=new Uint8Array(this.analyser.frequencyBinCount),t.getOutput().connect(this.analyser)}getFrequencyData(){return this.analyser.getByteFrequencyData(this.data),this.data}getAverageFrequency(){let t=0;const e=this.getFrequencyData();for(let i=0;i<e.length;i++)t+=e[i];return t/e.length}}class $u{constructor(t,e,i){let s,r,n;switch(this.binding=t,this.valueSize=i,e){case"quaternion":s=this._slerp,r=this._slerpAdditive,n=this._setAdditiveIdentityQuaternion,this.buffer=new Float64Array(6*i),this._workIndex=5;break;case"string":case"bool":s=this._select,r=this._select,n=this._setAdditiveIdentityOther,this.buffer=new Array(5*i);break;default:s=this._lerp,r=this._lerpAdditive,n=this._setAdditiveIdentityNumeric,this.buffer=new Float64Array(5*i)}this._mixBufferRegion=s,this._mixBufferRegionAdditive=r,this._setIdentity=n,this._origIndex=3,this._addIndex=4,this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,this.useCount=0,this.referenceCount=0}accumulate(t,e){const i=this.buffer,s=this.valueSize,r=t*s+s;let n=this.cumulativeWeight;if(0===n){for(let t=0;t!==s;++t)i[r+t]=i[t];n=e}else{n+=e;const t=e/n;this._mixBufferRegion(i,r,0,t,s)}this.cumulativeWeight=n}accumulateAdditive(t){const e=this.buffer,i=this.valueSize,s=i*this._addIndex;0===this.cumulativeWeightAdditive&&this._setIdentity(),this._mixBufferRegionAdditive(e,s,0,t,i),this.cumulativeWeightAdditive+=t}apply(t){const e=this.valueSize,i=this.buffer,s=t*e+e,r=this.cumulativeWeight,n=this.cumulativeWeightAdditive,a=this.binding;if(this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,r<1){const t=e*this._origIndex;this._mixBufferRegion(i,s,t,1-r,e)}n>0&&this._mixBufferRegionAdditive(i,s,this._addIndex*e,1,e);for(let t=e,r=e+e;t!==r;++t)if(i[t]!==i[t+e]){a.setValue(i,s);break}}saveOriginalState(){const t=this.binding,e=this.buffer,i=this.valueSize,s=i*this._origIndex;t.getValue(e,s);for(let t=i,r=s;t!==r;++t)e[t]=e[s+t%i];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){const t=3*this.valueSize;this.binding.setValue(this.buffer,t)}_setAdditiveIdentityNumeric(){const t=this._addIndex*this.valueSize,e=t+this.valueSize;for(let i=t;i<e;i++)this.buffer[i]=0}_setAdditiveIdentityQuaternion(){this._setAdditiveIdentityNumeric(),this.buffer[this._addIndex*this.valueSize+3]=1}_setAdditiveIdentityOther(){const t=this._origIndex*this.valueSize,e=this._addIndex*this.valueSize;for(let i=0;i<this.valueSize;i++)this.buffer[e+i]=this.buffer[t+i]}_select(t,e,i,s,r){if(s>=.5)for(let s=0;s!==r;++s)t[e+s]=t[i+s]}_slerp(t,e,i,s){As.slerpFlat(t,e,t,e,t,i,s)}_slerpAdditive(t,e,i,s,r){const n=this._workIndex*r;As.multiplyQuaternionsFlat(t,n,t,e,t,i),As.slerpFlat(t,e,t,e,t,n,s)}_lerp(t,e,i,s,r){const n=1-s;for(let a=0;a!==r;++a){const r=e+a;t[r]=t[r]*n+t[i+a]*s}}_lerpAdditive(t,e,i,s,r){for(let n=0;n!==r;++n){const r=e+n;t[r]=t[r]+t[i+n]*s}}}const Qu="\\[\\]\\.:\\/",Ku=new RegExp("["+Qu+"]","g"),td="[^"+Qu+"]",ed="[^"+Qu.replace("\\.","")+"]",id=new RegExp("^"+/((?:WC+[\/:])*)/.source.replace("WC",td)+/(WCOD+)?/.source.replace("WCOD",ed)+/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",td)+/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",td)+"$"),sd=["material","materials","bones","map"];class rd{constructor(t,e,i){this.path=e,this.parsedPath=i||rd.parseTrackName(e),this.node=rd.findNode(t,this.parsedPath.nodeName),this.rootNode=t,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(t,e,i){return t&&t.isAnimationObjectGroup?new rd.Composite(t,e,i):new rd(t,e,i)}static sanitizeNodeName(t){return t.replace(/\s/g,"_").replace(Ku,"")}static parseTrackName(t){const e=id.exec(t);if(null===e)throw new Error("THREE.PropertyBinding: Cannot parse trackName: "+t);const i={nodeName:e[2],objectName:e[3],objectIndex:e[4],propertyName:e[5],propertyIndex:e[6]},s=i.nodeName&&i.nodeName.lastIndexOf(".");if(void 0!==s&&-1!==s){const t=i.nodeName.substring(s+1);-1!==sd.indexOf(t)&&(i.nodeName=i.nodeName.substring(0,s),i.objectName=t)}if(null===i.propertyName||0===i.propertyName.length)throw new Error("THREE.PropertyBinding: can not parse propertyName from trackName: "+t);return i}static findNode(t,e){if(void 0===e||""===e||"."===e||-1===e||e===t.name||e===t.uuid)return t;if(t.skeleton){const i=t.skeleton.getBoneByName(e);if(void 0!==i)return i}if(t.children){const i=function(t){for(let s=0;s<t.length;s++){const r=t[s];if(r.name===e||r.uuid===e)return r;const n=i(r.children);if(n)return n}return null},s=i(t.children);if(s)return s}return null}_getValue_unavailable(){}_setValue_unavailable(){}_getValue_direct(t,e){t[e]=this.targetObject[this.propertyName]}_getValue_array(t,e){const i=this.resolvedProperty;for(let s=0,r=i.length;s!==r;++s)t[e++]=i[s]}_getValue_arrayElement(t,e){t[e]=this.resolvedProperty[this.propertyIndex]}_getValue_toArray(t,e){this.resolvedProperty.toArray(t,e)}_setValue_direct(t,e){this.targetObject[this.propertyName]=t[e]}_setValue_direct_setNeedsUpdate(t,e){this.targetObject[this.propertyName]=t[e],this.targetObject.needsUpdate=!0}_setValue_direct_setMatrixWorldNeedsUpdate(t,e){this.targetObject[this.propertyName]=t[e],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_array(t,e){const i=this.resolvedProperty;for(let s=0,r=i.length;s!==r;++s)i[s]=t[e++]}_setValue_array_setNeedsUpdate(t,e){const i=this.resolvedProperty;for(let s=0,r=i.length;s!==r;++s)i[s]=t[e++];this.targetObject.needsUpdate=!0}_setValue_array_setMatrixWorldNeedsUpdate(t,e){const i=this.resolvedProperty;for(let s=0,r=i.length;s!==r;++s)i[s]=t[e++];this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_arrayElement(t,e){this.resolvedProperty[this.propertyIndex]=t[e]}_setValue_arrayElement_setNeedsUpdate(t,e){this.resolvedProperty[this.propertyIndex]=t[e],this.targetObject.needsUpdate=!0}_setValue_arrayElement_setMatrixWorldNeedsUpdate(t,e){this.resolvedProperty[this.propertyIndex]=t[e],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_fromArray(t,e){this.resolvedProperty.fromArray(t,e)}_setValue_fromArray_setNeedsUpdate(t,e){this.resolvedProperty.fromArray(t,e),this.targetObject.needsUpdate=!0}_setValue_fromArray_setMatrixWorldNeedsUpdate(t,e){this.resolvedProperty.fromArray(t,e),this.targetObject.matrixWorldNeedsUpdate=!0}_getValue_unbound(t,e){this.bind(),this.getValue(t,e)}_setValue_unbound(t,e){this.bind(),this.setValue(t,e)}bind(){let t=this.node;const e=this.parsedPath,i=e.objectName,s=e.propertyName;let r=e.propertyIndex;if(t||(t=rd.findNode(this.rootNode,e.nodeName),this.node=t),this.getValue=this._getValue_unavailable,this.setValue=this._setValue_unavailable,!t)return void as("PropertyBinding: No target node found for track: "+this.path+".");if(i){let s=e.objectIndex;switch(i){case"materials":if(!t.material)return void os("PropertyBinding: Can not bind to material as node does not have a material.",this);if(!t.material.materials)return void os("PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.",this);t=t.material.materials;break;case"bones":if(!t.skeleton)return void os("PropertyBinding: Can not bind to bones as node does not have a skeleton.",this);t=t.skeleton.bones;for(let e=0;e<t.length;e++)if(t[e].name===s){s=e;break}break;case"map":if("map"in t){t=t.map;break}if(!t.material)return void os("PropertyBinding: Can not bind to material as node does not have a material.",this);if(!t.material.map)return void os("PropertyBinding: Can not bind to material.map as node.material does not have a map.",this);t=t.material.map;break;default:if(void 0===t[i])return void os("PropertyBinding: Can not bind to objectName of node undefined.",this);t=t[i]}if(void 0!==s){if(void 0===t[s])return void os("PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.",this,t);t=t[s]}}const n=t[s];if(void 0===n){return void os("PropertyBinding: Trying to update property for track: "+e.nodeName+"."+s+" but it wasn't found.",t)}let a=this.Versioning.None;this.targetObject=t,!0===t.isMaterial?a=this.Versioning.NeedsUpdate:!0===t.isObject3D&&(a=this.Versioning.MatrixWorldNeedsUpdate);let o=this.BindingType.Direct;if(void 0!==r){if("morphTargetInfluences"===s){if(!t.geometry)return void os("PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.",this);if(!t.geometry.morphAttributes)return void os("PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.",this);void 0!==t.morphTargetDictionary[r]&&(r=t.morphTargetDictionary[r])}o=this.BindingType.ArrayElement,this.resolvedProperty=n,this.propertyIndex=r}else void 0!==n.fromArray&&void 0!==n.toArray?(o=this.BindingType.HasFromToArray,this.resolvedProperty=n):Array.isArray(n)?(o=this.BindingType.EntireArray,this.resolvedProperty=n):this.propertyName=s;this.getValue=this.GetterByBindingType[o],this.setValue=this.SetterByBindingTypeAndVersioning[o][a]}unbind(){this.node=null,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}}rd.Composite=class{constructor(t,e,i){const s=i||rd.parseTrackName(e);this._targetGroup=t,this._bindings=t.subscribe_(e,s)}getValue(t,e){this.bind();const i=this._targetGroup.nCachedObjects_,s=this._bindings[i];void 0!==s&&s.getValue(t,e)}setValue(t,e){const i=this._bindings;for(let s=this._targetGroup.nCachedObjects_,r=i.length;s!==r;++s)i[s].setValue(t,e)}bind(){const t=this._bindings;for(let e=this._targetGroup.nCachedObjects_,i=t.length;e!==i;++e)t[e].bind()}unbind(){const t=this._bindings;for(let e=this._targetGroup.nCachedObjects_,i=t.length;e!==i;++e)t[e].unbind()}},rd.prototype.BindingType={Direct:0,EntireArray:1,ArrayElement:2,HasFromToArray:3},rd.prototype.Versioning={None:0,NeedsUpdate:1,MatrixWorldNeedsUpdate:2},rd.prototype.GetterByBindingType=[rd.prototype._getValue_direct,rd.prototype._getValue_array,rd.prototype._getValue_arrayElement,rd.prototype._getValue_toArray],rd.prototype.SetterByBindingTypeAndVersioning=[[rd.prototype._setValue_direct,rd.prototype._setValue_direct_setNeedsUpdate,rd.prototype._setValue_direct_setMatrixWorldNeedsUpdate],[rd.prototype._setValue_array,rd.prototype._setValue_array_setNeedsUpdate,rd.prototype._setValue_array_setMatrixWorldNeedsUpdate],[rd.prototype._setValue_arrayElement,rd.prototype._setValue_arrayElement_setNeedsUpdate,rd.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate],[rd.prototype._setValue_fromArray,rd.prototype._setValue_fromArray_setNeedsUpdate,rd.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate]];class nd{constructor(){this.isAnimationObjectGroup=!0,this.uuid=fs(),this._objects=Array.prototype.slice.call(arguments),this.nCachedObjects_=0;const t={};this._indicesByUUID=t;for(let e=0,i=arguments.length;e!==i;++e)t[arguments[e].uuid]=e;this._paths=[],this._parsedPaths=[],this._bindings=[],this._bindingsIndicesByPath={};const e=this;this.stats={objects:{get total(){return e._objects.length},get inUse(){return this.total-e.nCachedObjects_}},get bindingsPerObject(){return e._bindings.length}}}add(){const t=this._objects,e=this._indicesByUUID,i=this._paths,s=this._parsedPaths,r=this._bindings,n=r.length;let a,o=t.length,h=this.nCachedObjects_;for(let l=0,c=arguments.length;l!==c;++l){const c=arguments[l],u=c.uuid;let d=e[u];if(void 0===d){d=o++,e[u]=d,t.push(c);for(let t=0,e=n;t!==e;++t)r[t].push(new rd(c,i[t],s[t]))}else if(d<h){a=t[d];const o=--h,l=t[o];e[l.uuid]=d,t[d]=l,e[u]=o,t[o]=c;for(let t=0,e=n;t!==e;++t){const e=r[t],n=e[o];let a=e[d];e[d]=n,void 0===a&&(a=new rd(c,i[t],s[t])),e[o]=a}}else t[d]!==a&&os("AnimationObjectGroup: Different objects with the same UUID detected. Clean the caches or recreate your infrastructure when reloading scenes.")}this.nCachedObjects_=h}remove(){const t=this._objects,e=this._indicesByUUID,i=this._bindings,s=i.length;let r=this.nCachedObjects_;for(let n=0,a=arguments.length;n!==a;++n){const a=arguments[n],o=a.uuid,h=e[o];if(void 0!==h&&h>=r){const n=r++,l=t[n];e[l.uuid]=h,t[h]=l,e[o]=n,t[n]=a;for(let t=0,e=s;t!==e;++t){const e=i[t],s=e[n],r=e[h];e[h]=s,e[n]=r}}}this.nCachedObjects_=r}uncache(){const t=this._objects,e=this._indicesByUUID,i=this._bindings,s=i.length;let r=this.nCachedObjects_,n=t.length;for(let a=0,o=arguments.length;a!==o;++a){const o=arguments[a].uuid,h=e[o];if(void 0!==h)if(delete e[o],h<r){const a=--r,o=t[a],l=--n,c=t[l];e[o.uuid]=h,t[h]=o,e[c.uuid]=a,t[a]=c,t.pop();for(let t=0,e=s;t!==e;++t){const e=i[t],s=e[a],r=e[l];e[h]=s,e[a]=r,e.pop()}}else{const r=--n,a=t[r];r>0&&(e[a.uuid]=h),t[h]=a,t.pop();for(let t=0,e=s;t!==e;++t){const e=i[t];e[h]=e[r],e.pop()}}}this.nCachedObjects_=r}subscribe_(t,e){const i=this._bindingsIndicesByPath;let s=i[t];const r=this._bindings;if(void 0!==s)return r[s];const n=this._paths,a=this._parsedPaths,o=this._objects,h=o.length,l=this.nCachedObjects_,c=new Array(h);s=r.length,i[t]=s,n.push(t),a.push(e),r.push(c);for(let i=l,s=o.length;i!==s;++i){const s=o[i];c[i]=new rd(s,t,e)}return c}unsubscribe_(t){const e=this._bindingsIndicesByPath,i=e[t];if(void 0!==i){const s=this._paths,r=this._parsedPaths,n=this._bindings,a=n.length-1,o=n[a];e[t[a]]=i,n[i]=o,n.pop(),r[i]=r[a],r.pop(),s[i]=s[a],s.pop()}}}class ad{constructor(t,e,i=null,s=e.blendMode){this._mixer=t,this._clip=e,this._localRoot=i,this.blendMode=s;const r=e.tracks,n=r.length,a=new Array(n),o={endingStart:De,endingEnd:De};for(let t=0;t!==n;++t){const e=r[t].createInterpolant(null);a[t]=e,e.settings=o}this._interpolantSettings=o,this._interpolants=a,this._propertyBindings=new Array(n),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._restoreTimeScale=null,this._weightInterpolant=null,this.loop=2201,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&0!==this.timeScale&&null===this._startTime&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(t){return this._startTime=t,this}setLoop(t,e){return this.loop=t,this.repetitions=e,this}setEffectiveWeight(t){return this.weight=t,this._effectiveWeight=this.enabled?t:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(t){return this._scheduleFading(t,0,1)}fadeOut(t){return this._scheduleFading(t,1,0)}crossFadeFrom(t,e,i=!1){if(t.fadeOut(e),this.fadeIn(e),!0===i){const i=this._clip.duration,s=t._clip.duration,r=s/i,n=i/s;t._restoreTimeScale=t.timeScale,this._restoreTimeScale=this.timeScale,t.warp(1,r,e),this.warp(n,1,e)}return this}crossFadeTo(t,e,i=!1){return t.crossFadeFrom(this,e,i)}stopFading(){const t=this._weightInterpolant;return null!==t&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}setEffectiveTimeScale(t){return this.timeScale=t,this._effectiveTimeScale=this.paused?0:t,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(t){return this.timeScale=this._clip.duration/t,this.stopWarping()}syncWith(t){return this.time=t.time,this.timeScale=t.timeScale,this.stopWarping()}halt(t){return this.warp(this._effectiveTimeScale,0,t)}warp(t,e,i){const s=this._mixer,r=s.time,n=this.timeScale;let a=this._timeScaleInterpolant;null===a&&(a=s._lendControlInterpolant(),this._timeScaleInterpolant=a);const o=a.parameterPositions,h=a.sampleValues;return o[0]=r,o[1]=r+i,h[0]=t/n,h[1]=e/n,this}stopWarping(){const t=this._timeScaleInterpolant;return null!==t&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this._restoreTimeScale=null,this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(t,e,i,s){if(!this.enabled)return void this._updateWeight(t);const r=this._startTime;if(null!==r){const s=(t-r)*i;s<0||0===i?e=0:(this._startTime=null,e=i*s)}e*=this._updateTimeScale(t);const n=this._updateTime(e),a=this._updateWeight(t);if(a>0){const t=this._interpolants,e=this._propertyBindings;if(this.blendMode===Je)for(let i=0,s=t.length;i!==s;++i)t[i].evaluate(n),e[i].accumulateAdditive(a);else for(let i=0,r=t.length;i!==r;++i)t[i].evaluate(n),e[i].accumulate(s,a)}}_updateWeight(t){let e=0;if(this.enabled){e=this.weight;const i=this._weightInterpolant;if(null!==i){const s=i.evaluate(t)[0];e*=s,t>i.parameterPositions[1]&&(this.stopFading(),0===s&&(this.enabled=!1))}}return this._effectiveWeight=e,e}_updateTimeScale(t){let e=0;if(!this.paused){e=this.timeScale;const i=this._timeScaleInterpolant;if(null!==i){e*=i.evaluate(t)[0],t>i.parameterPositions[1]&&(0===e?this.paused=!0:(null!==this._restoreTimeScale&&(e=this._restoreTimeScale),this.timeScale=e),this.stopWarping())}}return this._effectiveTimeScale=e,e}_updateTime(t){const e=this._clip.duration,i=this.loop;let s=this.time+t,r=this._loopCount;const n=2202===i;if(0===t)return-1===r||!n||1&~r?s:e-s;if(2200===i){-1===r&&(this._loopCount=0,this._setEndings(!0,!0,!1));t:{if(s>=e)s=e;else{if(!(s<0)){this.time=s;break t}s=0}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=s,this._mixer.dispatchEvent({type:"finished",action:this,direction:t<0?-1:1})}}else{if(-1===r&&(t>=0?(r=0,this._setEndings(!0,0===this.repetitions,n)):this._setEndings(0===this.repetitions,!0,n)),s>=e||s<0){const i=Math.floor(s/e);s-=e*i,r+=Math.abs(i);const a=this.repetitions-r;if(a<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,s=t>0?e:0,this.time=s,this._mixer.dispatchEvent({type:"finished",action:this,direction:t>0?1:-1});else{if(1===a){const e=t<0;this._setEndings(e,!e,n)}else this._setEndings(!1,!1,n);this._loopCount=r,this.time=s,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:i})}}else this._loopCount=r,this.time=s;if(n&&!(1&~r))return e-s}return s}_setEndings(t,e,i){const s=this._interpolantSettings;i?(s.endingStart=je,s.endingEnd=je):(s.endingStart=t?this.zeroSlopeAtStart?je:De:Ue,s.endingEnd=e?this.zeroSlopeAtEnd?je:De:Ue)}_scheduleFading(t,e,i){const s=this._mixer,r=s.time;let n=this._weightInterpolant;null===n&&(n=s._lendControlInterpolant(),this._weightInterpolant=n);const a=n.parameterPositions,o=n.sampleValues;return a[0]=r,o[0]=e,a[1]=r+t,o[1]=i,this}}const od=new Float32Array(1);class hd extends ds{constructor(t){super(),this._root=t,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}_bindAction(t,e){const i=t._localRoot||this._root,s=t._clip.tracks,r=s.length,n=t._propertyBindings,a=t._interpolants,o=i.uuid,h=this._bindingsByRootAndName;let l=h[o];void 0===l&&(l={},h[o]=l);for(let t=0;t!==r;++t){const r=s[t],h=r.name;let c=l[h];if(void 0!==c)++c.referenceCount,n[t]=c;else{if(c=n[t],void 0!==c){null===c._cacheIndex&&(++c.referenceCount,this._addInactiveBinding(c,o,h));continue}const s=e&&e._propertyBindings[t].binding.parsedPath;c=new $u(rd.create(i,h,s),r.ValueTypeName,r.getValueSize()),++c.referenceCount,this._addInactiveBinding(c,o,h),n[t]=c}a[t].resultBuffer=c.buffer}}_activateAction(t){if(!this._isActiveAction(t)){if(null===t._cacheIndex){const e=(t._localRoot||this._root).uuid,i=t._clip.uuid,s=this._actionsByClip[i];this._bindAction(t,s&&s.knownActions[0]),this._addInactiveAction(t,i,e)}const e=t._propertyBindings;for(let t=0,i=e.length;t!==i;++t){const i=e[t];0===i.useCount++&&(this._lendBinding(i),i.saveOriginalState())}this._lendAction(t)}}_deactivateAction(t){if(this._isActiveAction(t)){const e=t._propertyBindings;for(let t=0,i=e.length;t!==i;++t){const i=e[t];0===--i.useCount&&(i.restoreOriginalState(),this._takeBackBinding(i))}this._takeBackAction(t)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;const t=this;this.stats={actions:{get total(){return t._actions.length},get inUse(){return t._nActiveActions}},bindings:{get total(){return t._bindings.length},get inUse(){return t._nActiveBindings}},controlInterpolants:{get total(){return t._controlInterpolants.length},get inUse(){return t._nActiveControlInterpolants}}}}_isActiveAction(t){const e=t._cacheIndex;return null!==e&&e<this._nActiveActions}_addInactiveAction(t,e,i){const s=this._actions,r=this._actionsByClip;let n=r[e];if(void 0===n)n={knownActions:[t],actionByRoot:{}},t._byClipCacheIndex=0,r[e]=n;else{const e=n.knownActions;t._byClipCacheIndex=e.length,e.push(t)}t._cacheIndex=s.length,s.push(t),n.actionByRoot[i]=t}_removeInactiveAction(t){const e=this._actions,i=e[e.length-1],s=t._cacheIndex;i._cacheIndex=s,e[s]=i,e.pop(),t._cacheIndex=null;const r=t._clip.uuid,n=this._actionsByClip,a=n[r],o=a.knownActions,h=o[o.length-1],l=t._byClipCacheIndex;h._byClipCacheIndex=l,o[l]=h,o.pop(),t._byClipCacheIndex=null;delete a.actionByRoot[(t._localRoot||this._root).uuid],0===o.length&&delete n[r],this._removeInactiveBindingsForAction(t)}_removeInactiveBindingsForAction(t){const e=t._propertyBindings;for(let t=0,i=e.length;t!==i;++t){const i=e[t];0===--i.referenceCount&&this._removeInactiveBinding(i)}}_lendAction(t){const e=this._actions,i=t._cacheIndex,s=this._nActiveActions++,r=e[s];t._cacheIndex=s,e[s]=t,r._cacheIndex=i,e[i]=r}_takeBackAction(t){const e=this._actions,i=t._cacheIndex,s=--this._nActiveActions,r=e[s];t._cacheIndex=s,e[s]=t,r._cacheIndex=i,e[i]=r}_addInactiveBinding(t,e,i){const s=this._bindingsByRootAndName,r=this._bindings;let n=s[e];void 0===n&&(n={},s[e]=n),n[i]=t,t._cacheIndex=r.length,r.push(t)}_removeInactiveBinding(t){const e=this._bindings,i=t.binding,s=i.rootNode.uuid,r=i.path,n=this._bindingsByRootAndName,a=n[s],o=e[e.length-1],h=t._cacheIndex;o._cacheIndex=h,e[h]=o,e.pop(),delete a[r],0===Object.keys(a).length&&delete n[s]}_lendBinding(t){const e=this._bindings,i=t._cacheIndex,s=this._nActiveBindings++,r=e[s];t._cacheIndex=s,e[s]=t,r._cacheIndex=i,e[i]=r}_takeBackBinding(t){const e=this._bindings,i=t._cacheIndex,s=--this._nActiveBindings,r=e[s];t._cacheIndex=s,e[s]=t,r._cacheIndex=i,e[i]=r}_lendControlInterpolant(){const t=this._controlInterpolants,e=this._nActiveControlInterpolants++;let i=t[e];return void 0===i&&(i=new yc(new Float32Array(2),new Float32Array(2),1,od),i.__cacheIndex=e,t[e]=i),i}_takeBackControlInterpolant(t){const e=this._controlInterpolants,i=t.__cacheIndex,s=--this._nActiveControlInterpolants,r=e[s];t.__cacheIndex=s,e[s]=t,r.__cacheIndex=i,e[i]=r}clipAction(t,e,i){const s=e||this._root,r=s.uuid;let n="string"==typeof t?Tc.findByName(s,t):t;const a=null!==n?n.uuid:t,o=this._actionsByClip[a];let h=null;if(void 0===i&&(i=null!==n?n.blendMode:We),void 0!==o){const t=o.actionByRoot[r];if(void 0!==t&&t.blendMode===i)return t;h=o.knownActions[0],null===n&&(n=h._clip)}if(null===n)return null;const l=new ad(this,n,e,i);return this._bindAction(l,h),this._addInactiveAction(l,a,r),l}existingAction(t,e){const i=e||this._root,s=i.uuid,r="string"==typeof t?Tc.findByName(i,t):t,n=r?r.uuid:t,a=this._actionsByClip[n];return void 0!==a&&a.actionByRoot[s]||null}stopAllAction(){const t=this._actions;for(let e=this._nActiveActions-1;e>=0;--e)t[e].stop();return this}update(t){t*=this.timeScale;const e=this._actions,i=this._nActiveActions,s=this.time+=t,r=Math.sign(t),n=this._accuIndex^=1;for(let a=0;a!==i;++a){e[a]._update(s,t,r,n)}const a=this._bindings,o=this._nActiveBindings;for(let t=0;t!==o;++t)a[t].apply(n);return this}setTime(t){this.time=0;for(let t=0;t<this._actions.length;t++)this._actions[t].time=0;return this.update(t)}getRoot(){return this._root}uncacheClip(t){const e=this._actions,i=t.uuid,s=this._actionsByClip,r=s[i];if(void 0!==r){const t=r.knownActions;for(let i=0,s=t.length;i!==s;++i){const s=t[i];this._deactivateAction(s);const r=s._cacheIndex,n=e[e.length-1];s._cacheIndex=null,s._byClipCacheIndex=null,n._cacheIndex=r,e[r]=n,e.pop(),this._removeInactiveBindingsForAction(s)}delete s[i]}}uncacheRoot(t){const e=t.uuid,i=this._actionsByClip;for(const t in i){const s=i[t].actionByRoot[e];void 0!==s&&(this._deactivateAction(s),this._removeInactiveAction(s))}const s=this._bindingsByRootAndName[e];if(void 0!==s)for(const t in s){const e=s[t];e.restoreOriginalState(),this._removeInactiveBinding(e)}}uncacheAction(t,e){const i=this.existingAction(t,e);null!==i&&(this._deactivateAction(i),this._removeInactiveAction(i))}}class ld extends Hs{constructor(t=1,e=1,i=1,s={}){super(t,e,s),this.isRenderTarget3D=!0,this.depth=i,this.texture=new Gs(null,t,e,i),this._setTextureOptions(s),this.texture.isRenderTargetTexture=!0}}class cd{constructor(t){this.value=t}clone(){return new cd(void 0===this.value.clone?this.value:this.value.clone())}}let ud=0;class dd extends ds{constructor(){super(),this.isUniformsGroup=!0,Object.defineProperty(this,"id",{value:ud++}),this.name="",this.usage=Oi,this.uniforms=[]}add(t){return this.uniforms.push(t),this}remove(t){const e=this.uniforms.indexOf(t);return-1!==e&&this.uniforms.splice(e,1),this}setName(t){return this.name=t,this}setUsage(t){return this.usage=t,this}dispose(){this.dispatchEvent({type:"dispose"})}copy(t){this.name=t.name,this.usage=t.usage;const e=t.uniforms;this.uniforms.length=0;for(let t=0,i=e.length;t<i;t++){const i=Array.isArray(e[t])?e[t]:[e[t]];for(let t=0;t<i.length;t++)this.uniforms.push(i[t].clone())}return this}clone(){return(new this.constructor).copy(this)}}class pd extends Jn{constructor(t,e,i=1){super(t,e),this.isInstancedInterleavedBuffer=!0,this.meshPerAttribute=i}copy(t){return super.copy(t),this.meshPerAttribute=t.meshPerAttribute,this}clone(t){const e=super.clone(t);return e.meshPerAttribute=this.meshPerAttribute,e}toJSON(t){const e=super.toJSON(t);return e.isInstancedInterleavedBuffer=!0,e.meshPerAttribute=this.meshPerAttribute,e}}class md{constructor(t,e,i,s,r,n=!1){this.isGLBufferAttribute=!0,this.name="",this.buffer=t,this.type=e,this.itemSize=i,this.elementSize=s,this.count=r,this.normalized=n,this.version=0}set needsUpdate(t){!0===t&&this.version++}setBuffer(t){return this.buffer=t,this}setType(t,e){return this.type=t,this.elementSize=e,this}setItemSize(t){return this.itemSize=t,this}setCount(t){return this.count=t,this}}const yd=new Qs;class gd{constructor(t,e,i=0,s=1/0){this.ray=new wa(t,e),this.near=i,this.far=s,this.camera=null,this.layers=new lr,this.params={Mesh:{},Line:{threshold:1},LOD:{},Points:{threshold:1},Sprite:{}}}set(t,e){this.ray.set(t,e)}setFromCamera(t,e){e.isPerspectiveCamera?(this.ray.origin.setFromMatrixPosition(e.matrixWorld),this.ray.direction.set(t.x,t.y,.5).unproject(e).sub(this.ray.origin).normalize(),this.camera=e):e.isOrthographicCamera?(this.ray.origin.set(t.x,t.y,e.projectionMatrix.elements[14]).unproject(e),this.ray.direction.set(0,0,-1).transformDirection(e.matrixWorld),this.camera=e):os("Raycaster: Unsupported camera type: "+e.type)}setFromXRController(t){return yd.identity().extractRotation(t.matrixWorld),this.ray.origin.setFromMatrixPosition(t.matrixWorld),this.ray.direction.set(0,0,-1).applyMatrix4(yd),this}intersectObject(t,e=!0,i=[]){return xd(t,this,i,e),i.sort(fd),i}intersectObjects(t,e=!0,i=[]){for(let s=0,r=t.length;s<r;s++)xd(t[s],this,i,e);return i.sort(fd),i}}function fd(t,e){return t.distance-e.distance}function xd(t,e,i,s){let r=!0;if(t.layers.test(e.layers)){!1===t.raycast(e,i)&&(r=!1)}if(!0===r&&!0===s){const s=t.children;for(let t=0,r=s.length;t<r;t++)xd(s[t],e,i,!0)}}class bd{constructor(t=!0){this.autoStart=t,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1,as("Clock: This module has been deprecated. Please use THREE.Timer instead.")}start(){this.startTime=performance.now(),this.oldTime=this.startTime,this.elapsedTime=0,this.running=!0}stop(){this.getElapsedTime(),this.running=!1,this.autoStart=!1}getElapsedTime(){return this.getDelta(),this.elapsedTime}getDelta(){let t=0;if(this.autoStart&&!this.running)return this.start(),0;if(this.running){const e=performance.now();t=(e-this.oldTime)/1e3,this.oldTime=e,this.elapsedTime+=t}return t}}class vd{constructor(t=1,e=0,i=0){this.radius=t,this.phi=e,this.theta=i}set(t,e,i){return this.radius=t,this.phi=e,this.theta=i,this}copy(t){return this.radius=t.radius,this.phi=t.phi,this.theta=t.theta,this}makeSafe(){const t=1e-6;return this.phi=xs(this.phi,t,Math.PI-t),this}setFromVector3(t){return this.setFromCartesianCoords(t.x,t.y,t.z)}setFromCartesianCoords(t,e,i){return this.radius=Math.sqrt(t*t+e*e+i*i),0===this.radius?(this.theta=0,this.phi=0):(this.theta=Math.atan2(t,i),this.phi=Math.acos(xs(e/this.radius,-1,1))),this}clone(){return(new this.constructor).copy(this)}}class wd{constructor(t=1,e=0,i=0){this.radius=t,this.theta=e,this.y=i}set(t,e,i){return this.radius=t,this.theta=e,this.y=i,this}copy(t){return this.radius=t.radius,this.theta=t.theta,this.y=t.y,this}setFromVector3(t){return this.setFromCartesianCoords(t.x,t.y,t.z)}setFromCartesianCoords(t,e,i){return this.radius=Math.sqrt(t*t+i*i),this.theta=Math.atan2(t,i),this.y=e,this}clone(){return(new this.constructor).copy(this)}}class Md{static{Md.prototype.isMatrix2=!0}constructor(t,e,i,s){this.elements=[1,0,0,1],void 0!==t&&this.set(t,e,i,s)}identity(){return this.set(1,0,0,1),this}fromArray(t,e=0){for(let i=0;i<4;i++)this.elements[i]=t[i+e];return this}set(t,e,i,s){const r=this.elements;return r[0]=t,r[2]=e,r[1]=i,r[3]=s,this}}const Sd=new _s;class _d{constructor(t=new _s(1/0,1/0),e=new _s(-1/0,-1/0)){this.isBox2=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromPoints(t){this.makeEmpty();for(let e=0,i=t.length;e<i;e++)this.expandByPoint(t[e]);return this}setFromCenterAndSize(t,e){const i=Sd.copy(e).multiplyScalar(.5);return this.min.copy(t).sub(i),this.max.copy(t).add(i),this}clone(){return(new this.constructor).copy(this)}copy(t){return this.min.copy(t.min),this.max.copy(t.max),this}makeEmpty(){return this.min.x=this.min.y=1/0,this.max.x=this.max.y=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y}getCenter(t){return this.isEmpty()?t.set(0,0):t.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(t){return this.isEmpty()?t.set(0,0):t.subVectors(this.max,this.min)}expandByPoint(t){return this.min.min(t),this.max.max(t),this}expandByVector(t){return this.min.sub(t),this.max.add(t),this}expandByScalar(t){return this.min.addScalar(-t),this.max.addScalar(t),this}containsPoint(t){return t.x>=this.min.x&&t.x<=this.max.x&&t.y>=this.min.y&&t.y<=this.max.y}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y))}intersectsBox(t){return t.max.x>=this.min.x&&t.min.x<=this.max.x&&t.max.y>=this.min.y&&t.min.y<=this.max.y}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,Sd).distanceTo(t)}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const Ad=new Ts,Td=new Ts,zd=new Ts,Cd=new Ts,Id=new Ts,Bd=new Ts,kd=new Ts;class Od{constructor(t=new Ts,e=new Ts){this.start=t,this.end=e}set(t,e){return this.start.copy(t),this.end.copy(e),this}copy(t){return this.start.copy(t.start),this.end.copy(t.end),this}getCenter(t){return t.addVectors(this.start,this.end).multiplyScalar(.5)}delta(t){return t.subVectors(this.end,this.start)}distanceSq(){return this.start.distanceToSquared(this.end)}distance(){return this.start.distanceTo(this.end)}at(t,e){return this.delta(e).multiplyScalar(t).add(this.start)}closestPointToPointParameter(t,e){Ad.subVectors(t,this.start),Td.subVectors(this.end,this.start);const i=Td.dot(Td);if(0===i)return 0;let s=Td.dot(Ad)/i;return e&&(s=xs(s,0,1)),s}closestPointToPoint(t,e,i){const s=this.closestPointToPointParameter(t,e);return this.delta(i).multiplyScalar(s).add(this.start)}distanceSqToLine3(t,e=Bd,i=kd){const s=1e-8*1e-8;let r,n;const a=this.start,o=t.start,h=this.end,l=t.end;zd.subVectors(h,a),Cd.subVectors(l,o),Id.subVectors(a,o);const c=zd.dot(zd),u=Cd.dot(Cd),d=Cd.dot(Id);if(c<=s&&u<=s)return e.copy(a),i.copy(o),e.sub(i),e.dot(e);if(c<=s)r=0,n=d/u,n=xs(n,0,1);else{const t=zd.dot(Id);if(u<=s)n=0,r=xs(-t/c,0,1);else{const e=zd.dot(Cd),i=c*u-e*e;r=0!==i?xs((e*d-t*u)/i,0,1):0,n=(e*r+d)/u,n<0?(n=0,r=xs(-t/c,0,1)):n>1&&(n=1,r=xs((e-t)/c,0,1))}}return e.copy(a).addScaledVector(zd,r),i.copy(o).addScaledVector(Cd,n),e.distanceToSquared(i)}applyMatrix4(t){return this.start.applyMatrix4(t),this.end.applyMatrix4(t),this}equals(t){return t.start.equals(this.start)&&t.end.equals(this.end)}clone(){return(new this.constructor).copy(this)}}const Pd=new Ts;class Rd extends Ar{constructor(t,e){super(),this.light=t,this.matrixAutoUpdate=!1,this.color=e,this.type="SpotLightHelper";const i=new Wn,s=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(let t=0,e=1,i=32;t<i;t++,e++){const r=t/i*Math.PI*2,n=e/i*Math.PI*2;s.push(Math.cos(r),Math.sin(r),1,Math.cos(n),Math.sin(n),1)}i.setAttribute("position",new kn(s,3));const r=new Vo({fog:!1,toneMapped:!1});this.cone=new Zo(i,r),this.add(this.cone),this.update()}dispose(){this.cone.geometry.dispose(),this.cone.material.dispose()}update(){this.light.updateWorldMatrix(!0,!1),this.light.target.updateWorldMatrix(!0,!1),this.parent?(this.parent.updateWorldMatrix(!0),this.matrix.copy(this.parent.matrixWorld).invert().multiply(this.light.matrixWorld)):this.matrix.copy(this.light.matrixWorld),this.matrixWorld.copy(this.light.matrixWorld);const t=this.light.distance?this.light.distance:1e3,e=t*Math.tan(this.light.angle);this.cone.scale.set(e,e,t),Pd.setFromMatrixPosition(this.light.target.matrixWorld),this.cone.lookAt(Pd),void 0!==this.color?this.cone.material.color.set(this.color):this.cone.material.color.copy(this.light.color)}}const Ed=new Ts,Nd=new Qs,Vd=new Qs;class Fd extends Zo{constructor(t){const e=Ld(t),i=new Wn,s=[],r=[];for(let t=0;t<e.length;t++){const i=e[t];i.parent&&i.parent.isBone&&(s.push(0,0,0),s.push(0,0,0),r.push(0,0,0),r.push(0,0,0))}i.setAttribute("position",new kn(s,3)),i.setAttribute("color",new kn(r,3));super(i,new Vo({vertexColors:!0,depthTest:!1,depthWrite:!1,toneMapped:!1,transparent:!0})),this.isSkeletonHelper=!0,this.type="SkeletonHelper",this.root=t,this.bones=e,this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1;const n=new Pr(255),a=new Pr(65280);this.setColors(n,a)}updateMatrixWorld(t){const e=this.bones,i=this.geometry,s=i.getAttribute("position");Vd.copy(this.root.matrixWorld).invert();for(let t=0,i=0;t<e.length;t++){const r=e[t];r.parent&&r.parent.isBone&&(Nd.multiplyMatrices(Vd,r.matrixWorld),Ed.setFromMatrixPosition(Nd),s.setXYZ(i,Ed.x,Ed.y,Ed.z),Nd.multiplyMatrices(Vd,r.parent.matrixWorld),Ed.setFromMatrixPosition(Nd),s.setXYZ(i+1,Ed.x,Ed.y,Ed.z),i+=2)}i.getAttribute("position").needsUpdate=!0,super.updateMatrixWorld(t)}setColors(t,e){const i=this.geometry.getAttribute("color");for(let s=0;s<i.count;s+=2)i.setXYZ(s,t.r,t.g,t.b),i.setXYZ(s+1,e.r,e.g,e.b);return i.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}}function Ld(t){const e=[];!0===t.isBone&&e.push(t);for(let i=0;i<t.children.length;i++)e.push(...Ld(t.children[i]));return e}class Dd extends Ra{constructor(t,e,i){super(new Nl(e,4,2),new Ma({wireframe:!0,fog:!1,toneMapped:!1})),this.light=t,this.color=i,this.type="PointLightHelper",this.matrix=this.light.matrixWorld,this.matrixAutoUpdate=!1,this.update()}dispose(){this.geometry.dispose(),this.material.dispose()}update(){this.light.updateWorldMatrix(!0,!1),void 0!==this.color?this.material.color.set(this.color):this.material.color.copy(this.light.color)}}const jd=new Ts,Ud=new Pr,Wd=new Pr;class Jd extends Ar{constructor(t,e,i){super(),this.light=t,this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1,this.color=i,this.type="HemisphereLightHelper";const s=new Ol(e);s.rotateY(.5*Math.PI),this.material=new Ma({wireframe:!0,fog:!1,toneMapped:!1}),void 0===this.color&&(this.material.vertexColors=!0);const r=s.getAttribute("position"),n=new Float32Array(3*r.count);s.setAttribute("color",new Mn(n,3)),this.add(new Ra(s,this.material)),this.update()}dispose(){this.children[0].geometry.dispose(),this.children[0].material.dispose()}update(){const t=this.children[0];if(void 0!==this.color)this.material.color.set(this.color);else{const e=t.geometry.getAttribute("color");Ud.copy(this.light.color),Wd.copy(this.light.groundColor);for(let t=0,i=e.count;t<i;t++){const s=t<i/2?Ud:Wd;e.setXYZ(t,s.r,s.g,s.b)}e.needsUpdate=!0}this.light.updateWorldMatrix(!0,!1),t.lookAt(jd.setFromMatrixPosition(this.light.matrixWorld).negate())}}class qd extends Zo{constructor(t=10,e=10,i=4473924,s=8947848){i=new Pr(i),s=new Pr(s);const r=e/2,n=t/e,a=t/2,o=[],h=[];for(let t=0,l=0,c=-a;t<=e;t++,c+=n){o.push(-a,0,c,a,0,c),o.push(c,0,-a,c,0,a);const e=t===r?i:s;e.toArray(h,l),l+=3,e.toArray(h,l),l+=3,e.toArray(h,l),l+=3,e.toArray(h,l),l+=3}const l=new Wn;l.setAttribute("position",new kn(o,3)),l.setAttribute("color",new kn(h,3));super(l,new Vo({vertexColors:!0,toneMapped:!1})),this.type="GridHelper"}dispose(){this.geometry.dispose(),this.material.dispose()}}class Hd extends Zo{constructor(t=10,e=16,i=8,s=64,r=4473924,n=8947848){r=new Pr(r),n=new Pr(n);const a=[],o=[];if(e>1)for(let i=0;i<e;i++){const s=i/e*(2*Math.PI),h=Math.sin(s)*t,l=Math.cos(s)*t;a.push(0,0,0),a.push(h,0,l);const c=1&i?r:n;o.push(c.r,c.g,c.b),o.push(c.r,c.g,c.b)}for(let e=0;e<i;e++){const h=1&e?r:n,l=t-t/i*e;for(let t=0;t<s;t++){let e=t/s*(2*Math.PI),i=Math.sin(e)*l,r=Math.cos(e)*l;a.push(i,0,r),o.push(h.r,h.g,h.b),e=(t+1)/s*(2*Math.PI),i=Math.sin(e)*l,r=Math.cos(e)*l,a.push(i,0,r),o.push(h.r,h.g,h.b)}}const h=new Wn;h.setAttribute("position",new kn(a,3)),h.setAttribute("color",new kn(o,3));super(h,new Vo({vertexColors:!0,toneMapped:!1})),this.type="PolarGridHelper"}dispose(){this.geometry.dispose(),this.material.dispose()}}const Xd=new Ts,Yd=new Ts,Zd=new Ts;class Gd extends Ar{constructor(t,e,i){super(),this.light=t,this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1,this.color=i,this.type="DirectionalLightHelper",void 0===e&&(e=1);let s=new Wn;s.setAttribute("position",new kn([-e,e,0,e,e,0,e,-e,0,-e,-e,0,-e,e,0],3));const r=new Vo({fog:!1,toneMapped:!1});this.lightPlane=new qo(s,r),this.add(this.lightPlane),s=new Wn,s.setAttribute("position",new kn([0,0,0,0,0,1],3)),this.targetLine=new qo(s,r),this.add(this.targetLine),this.update()}dispose(){this.lightPlane.geometry.dispose(),this.lightPlane.material.dispose(),this.targetLine.geometry.dispose(),this.targetLine.material.dispose()}update(){this.light.updateWorldMatrix(!0,!1),this.light.target.updateWorldMatrix(!0,!1),Xd.setFromMatrixPosition(this.light.matrixWorld),Yd.setFromMatrixPosition(this.light.target.matrixWorld),Zd.subVectors(Yd,Xd),this.lightPlane.lookAt(Yd),void 0!==this.color?(this.lightPlane.material.color.set(this.color),this.targetLine.material.color.set(this.color)):(this.lightPlane.material.color.copy(this.light.color),this.targetLine.material.color.copy(this.light.color)),this.targetLine.lookAt(Yd),this.targetLine.scale.z=Zd.length()}}const $d=new Ts,Qd=new Qc;class Kd extends Zo{constructor(t){const e=new Wn,i=new Vo({color:16777215,vertexColors:!0,toneMapped:!1}),s=[],r=[],n={};function a(t,e){o(t),o(e)}function o(t){s.push(0,0,0),r.push(0,0,0),void 0===n[t]&&(n[t]=[]),n[t].push(s.length/3-1)}a("n1","n2"),a("n2","n4"),a("n4","n3"),a("n3","n1"),a("f1","f2"),a("f2","f4"),a("f4","f3"),a("f3","f1"),a("n1","f1"),a("n2","f2"),a("n3","f3"),a("n4","f4"),a("p","n1"),a("p","n2"),a("p","n3"),a("p","n4"),a("u1","u2"),a("u2","u3"),a("u3","u1"),a("c","t"),a("p","c"),a("cn1","cn2"),a("cn3","cn4"),a("cf1","cf2"),a("cf3","cf4"),e.setAttribute("position",new kn(s,3)),e.setAttribute("color",new kn(r,3)),super(e,i),this.type="CameraHelper",this.camera=t,this.camera.updateProjectionMatrix&&this.camera.updateProjectionMatrix(),this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1,this.pointMap=n,this.update();const h=new Pr(16755200),l=new Pr(16711680),c=new Pr(43775),u=new Pr(16777215),d=new Pr(3355443);this.setColors(h,l,c,u,d)}setColors(t,e,i,s,r){const n=this.geometry.getAttribute("color");return n.setXYZ(0,t.r,t.g,t.b),n.setXYZ(1,t.r,t.g,t.b),n.setXYZ(2,t.r,t.g,t.b),n.setXYZ(3,t.r,t.g,t.b),n.setXYZ(4,t.r,t.g,t.b),n.setXYZ(5,t.r,t.g,t.b),n.setXYZ(6,t.r,t.g,t.b),n.setXYZ(7,t.r,t.g,t.b),n.setXYZ(8,t.r,t.g,t.b),n.setXYZ(9,t.r,t.g,t.b),n.setXYZ(10,t.r,t.g,t.b),n.setXYZ(11,t.r,t.g,t.b),n.setXYZ(12,t.r,t.g,t.b),n.setXYZ(13,t.r,t.g,t.b),n.setXYZ(14,t.r,t.g,t.b),n.setXYZ(15,t.r,t.g,t.b),n.setXYZ(16,t.r,t.g,t.b),n.setXYZ(17,t.r,t.g,t.b),n.setXYZ(18,t.r,t.g,t.b),n.setXYZ(19,t.r,t.g,t.b),n.setXYZ(20,t.r,t.g,t.b),n.setXYZ(21,t.r,t.g,t.b),n.setXYZ(22,t.r,t.g,t.b),n.setXYZ(23,t.r,t.g,t.b),n.setXYZ(24,e.r,e.g,e.b),n.setXYZ(25,e.r,e.g,e.b),n.setXYZ(26,e.r,e.g,e.b),n.setXYZ(27,e.r,e.g,e.b),n.setXYZ(28,e.r,e.g,e.b),n.setXYZ(29,e.r,e.g,e.b),n.setXYZ(30,e.r,e.g,e.b),n.setXYZ(31,e.r,e.g,e.b),n.setXYZ(32,i.r,i.g,i.b),n.setXYZ(33,i.r,i.g,i.b),n.setXYZ(34,i.r,i.g,i.b),n.setXYZ(35,i.r,i.g,i.b),n.setXYZ(36,i.r,i.g,i.b),n.setXYZ(37,i.r,i.g,i.b),n.setXYZ(38,s.r,s.g,s.b),n.setXYZ(39,s.r,s.g,s.b),n.setXYZ(40,r.r,r.g,r.b),n.setXYZ(41,r.r,r.g,r.b),n.setXYZ(42,r.r,r.g,r.b),n.setXYZ(43,r.r,r.g,r.b),n.setXYZ(44,r.r,r.g,r.b),n.setXYZ(45,r.r,r.g,r.b),n.setXYZ(46,r.r,r.g,r.b),n.setXYZ(47,r.r,r.g,r.b),n.setXYZ(48,r.r,r.g,r.b),n.setXYZ(49,r.r,r.g,r.b),n.needsUpdate=!0,this}update(){const t=this.geometry,e=this.pointMap;let i,s;if(Qd.projectionMatrixInverse.copy(this.camera.projectionMatrixInverse),!0===this.camera.reversedDepth)i=1,s=0;else if(this.camera.coordinateSystem===Wi)i=-1,s=1;else{if(this.camera.coordinateSystem!==Ji)throw new Error("THREE.CameraHelper.update(): Invalid coordinate system: "+this.camera.coordinateSystem);i=0,s=1}tp("c",e,t,Qd,0,0,i),tp("t",e,t,Qd,0,0,s),tp("n1",e,t,Qd,-1,-1,i),tp("n2",e,t,Qd,1,-1,i),tp("n3",e,t,Qd,-1,1,i),tp("n4",e,t,Qd,1,1,i),tp("f1",e,t,Qd,-1,-1,s),tp("f2",e,t,Qd,1,-1,s),tp("f3",e,t,Qd,-1,1,s),tp("f4",e,t,Qd,1,1,s),tp("u1",e,t,Qd,.7,1.1,i),tp("u2",e,t,Qd,-.7,1.1,i),tp("u3",e,t,Qd,0,2,i),tp("cf1",e,t,Qd,-1,0,s),tp("cf2",e,t,Qd,1,0,s),tp("cf3",e,t,Qd,0,-1,s),tp("cf4",e,t,Qd,0,1,s),tp("cn1",e,t,Qd,-1,0,i),tp("cn2",e,t,Qd,1,0,i),tp("cn3",e,t,Qd,0,-1,i),tp("cn4",e,t,Qd,0,1,i),t.getAttribute("position").needsUpdate=!0}dispose(){this.geometry.dispose(),this.material.dispose()}}function tp(t,e,i,s,r,n,a){$d.set(r,n,a).unproject(s);const o=e[t];if(void 0!==o){const t=i.getAttribute("position");for(let e=0,i=o.length;e<i;e++)t.setXYZ(o[e],$d.x,$d.y,$d.z)}}const ep=new Qr;class ip extends Zo{constructor(t,e=16776960){const i=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),s=new Float32Array(24),r=new Wn;r.setIndex(new Mn(i,1)),r.setAttribute("position",new Mn(s,3)),super(r,new Vo({color:e,toneMapped:!1})),this.object=t,this.type="BoxHelper",this.matrixAutoUpdate=!1,this.update()}update(){if(void 0!==this.object&&ep.setFromObject(this.object),ep.isEmpty())return;const t=ep.min,e=ep.max,i=this.geometry.attributes.position,s=i.array;s[0]=e.x,s[1]=e.y,s[2]=e.z,s[3]=t.x,s[4]=e.y,s[5]=e.z,s[6]=t.x,s[7]=t.y,s[8]=e.z,s[9]=e.x,s[10]=t.y,s[11]=e.z,s[12]=e.x,s[13]=e.y,s[14]=t.z,s[15]=t.x,s[16]=e.y,s[17]=t.z,s[18]=t.x,s[19]=t.y,s[20]=t.z,s[21]=e.x,s[22]=t.y,s[23]=t.z,i.needsUpdate=!0,this.geometry.computeBoundingSphere()}setFromObject(t){return this.object=t,this.update(),this}copy(t,e){return super.copy(t,e),this.object=t.object,this}dispose(){this.geometry.dispose(),this.material.dispose()}}class sp extends Zo{constructor(t,e=16776960){const i=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),s=new Wn;s.setIndex(new Mn(i,1)),s.setAttribute("position",new kn([1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,-1,1,-1,-1,-1,-1,1,-1,-1],3)),super(s,new Vo({color:e,toneMapped:!1})),this.box=t,this.type="Box3Helper",this.geometry.computeBoundingSphere()}updateMatrixWorld(t){const e=this.box;e.isEmpty()||(e.getCenter(this.position),e.getSize(this.scale),this.scale.multiplyScalar(.5),super.updateMatrixWorld(t))}dispose(){this.geometry.dispose(),this.material.dispose()}}class rp extends qo{constructor(t,e=1,i=16776960){const s=i,r=new Wn;r.setAttribute("position",new kn([1,-1,0,-1,1,0,-1,-1,0,1,1,0,-1,1,0,-1,-1,0,1,-1,0,1,1,0],3)),r.computeBoundingSphere(),super(r,new Vo({color:s,toneMapped:!1})),this.type="PlaneHelper",this.plane=t,this.size=e;const n=new Wn;n.setAttribute("position",new kn([1,1,0,-1,1,0,-1,-1,0,1,1,0,-1,-1,0,1,-1,0],3)),n.computeBoundingSphere(),this.add(new Ra(n,new Ma({color:s,opacity:.2,transparent:!0,depthWrite:!1,toneMapped:!1})))}updateMatrixWorld(t){this.position.set(0,0,0),this.scale.set(.5*this.size,.5*this.size,1),this.lookAt(this.plane.normal),this.translateZ(-this.plane.constant),super.updateMatrixWorld(t)}dispose(){this.geometry.dispose(),this.material.dispose(),this.children[0].geometry.dispose(),this.children[0].material.dispose()}}const np=new Ts;let ap,op;class hp extends Ar{constructor(t=new Ts(0,0,1),e=new Ts(0,0,0),i=1,s=16776960,r=.2*i,n=.2*r){super(),this.type="ArrowHelper",void 0===ap&&(ap=new Wn,ap.setAttribute("position",new kn([0,0,0,0,1,0],3)),op=new vh(.5,1,5,1),op.translate(0,-.5,0)),this.position.copy(e),this.line=new qo(ap,new Vo({color:s,toneMapped:!1})),this.line.matrixAutoUpdate=!1,this.add(this.line),this.cone=new Ra(op,new Ma({color:s,toneMapped:!1})),this.cone.matrixAutoUpdate=!1,this.add(this.cone),this.setDirection(t),this.setLength(i,r,n)}setDirection(t){if(t.y>.99999)this.quaternion.set(0,0,0,1);else if(t.y<-.99999)this.quaternion.set(1,0,0,0);else{np.set(t.z,0,-t.x).normalize();const e=Math.acos(t.y);this.quaternion.setFromAxisAngle(np,e)}}setLength(t,e=.2*t,i=.2*e){this.line.scale.set(1,Math.max(1e-4,t-e),1),this.line.updateMatrix(),this.cone.scale.set(i,e,i),this.cone.position.y=t,this.cone.updateMatrix()}setColor(t){this.line.material.color.set(t),this.cone.material.color.set(t)}copy(t){return super.copy(t,!1),this.line.copy(t.line),this.cone.copy(t.cone),this}dispose(){this.line.geometry.dispose(),this.line.material.dispose(),this.cone.geometry.dispose(),this.cone.material.dispose()}}class lp extends Zo{constructor(t=1){const e=[0,0,0,t,0,0,0,0,0,0,t,0,0,0,0,0,0,t],i=new Wn;i.setAttribute("position",new kn(e,3)),i.setAttribute("color",new kn([1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],3));super(i,new Vo({vertexColors:!0,toneMapped:!1})),this.type="AxesHelper"}setColors(t,e,i){const s=new Pr,r=this.geometry.attributes.color.array;return s.set(t),s.toArray(r,0),s.toArray(r,3),s.set(e),s.toArray(r,6),s.toArray(r,9),s.set(i),s.toArray(r,12),s.toArray(r,15),this.geometry.attributes.color.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}}class cp{constructor(){this.type="ShapePath",this.color=new Pr,this.subPaths=[],this.currentPath=null,this.userData={}}moveTo(t,e){return this.currentPath=new Gh,this.subPaths.push(this.currentPath),this.currentPath.moveTo(t,e),this}lineTo(t,e){return this.currentPath.lineTo(t,e),this}quadraticCurveTo(t,e,i,s){return this.currentPath.quadraticCurveTo(t,e,i,s),this}bezierCurveTo(t,e,i,s,r,n){return this.currentPath.bezierCurveTo(t,e,i,s,r,n),this}splineThru(t){return this.currentPath.splineThru(t),this}toShapes(){function t(t,e){let i=!1;const s=e.length;for(let r=0,n=s-1;r<s;n=r++){const s=e[r],a=e[n];s.y>t.y!=a.y>t.y&&t.x<(a.x-s.x)*(t.y-s.y)/(a.y-s.y)+s.x&&(i=!i)}return i}function e(e,i){const s=i.getCenter(new _s);if(t(s,e))return s;const r=s.y,n=[],a=e.length;for(let t=0;t<a;t++){const i=e[t],s=e[(t+1)%a];if(i.y>r!=s.y>r){const t=i.x+(r-i.y)*(s.x-i.x)/(s.y-i.y);n.push(t)}}return n.length>1&&(n.sort((t,e)=>t-e),s.x=(n[0]+n[1])/2),s}let i=this.userData.style&&this.userData.style.fillRule||"nonzero";"nonzero"!==i&&"evenodd"!==i&&(as('Fill-rule "'+i+'" is not supported, falling back to "nonzero".'),i="nonzero");const s="nonzero"===i?t=>0!==t:t=>!!(1&t),r=[];for(const t of this.subPaths){const i=t.getPoints();if(i.length<3)continue;const s=Al.area(i);if(0===s)continue;const n=new _d;for(let t=0;t<i.length;t++)n.expandByPoint(i[t]);r.push({subPath:t,points:i,boundingBox:n,interiorPoint:e(i,n),absArea:Math.abs(s),winding:s<0?-1:1,container:null,exclude:!1,role:null})}r.sort((t,e)=>e.absArea-t.absArea);for(let e=0;e<r.length;e++){const i=r[e];let n=0;for(let s=e-1;s>=0;s--){const e=r[s];if(e.boundingBox.containsPoint(i.interiorPoint)&&t(i.interiorPoint,e.points)){i.container=e.exclude?e.container:e,n=e.winding,i.winding+=n;break}}s(i.winding)===s(n)&&(i.exclude=!0)}for(const t of r)t.exclude||(t.role=null===t.container||"hole"===t.container.role?"outer":"hole");const n=[],a=new Map;for(const t of r){if(t.exclude||"outer"!==t.role)continue;const e=new $h;e.curves=t.subPath.curves,n.push(e),a.set(t,e)}for(const t of r){if(t.exclude||"hole"!==t.role)continue;const e=a.get(t.container);if(!e)continue;const i=new Gh;i.curves=t.subPath.curves,e.holes.push(i)}return n}}class up extends ds{constructor(t,e=null){super(),this.object=t,this.domElement=e,this.enabled=!0,this.state=-1,this.keys={},this.mouseButtons={LEFT:null,MIDDLE:null,RIGHT:null},this.touches={ONE:null,TWO:null}}connect(t){void 0!==t?(null!==this.domElement&&this.disconnect(),this.domElement=t):as("Controls: connect() now requires an element.")}disconnect(){}dispose(){}update(){}}function dp(t,e,i,s){const r=function(t){switch(t){case zt:case Ct:return{byteLength:1,components:1};case Bt:case It:case Rt:return{byteLength:2,components:1};case Et:case Nt:return{byteLength:2,components:4};case Ot:case kt:case Pt:return{byteLength:4,components:1};case Ft:case Lt:return{byteLength:4,components:3}}throw new Error(`THREE.TextureUtils: Unknown texture type ${t}.`)}(s);switch(i){case 1021:return t*e;case qt:case Ht:return t*e/r.components*r.byteLength;case 1030:case 1031:return t*e*2/r.components*r.byteLength;case 1022:return t*e*3/r.components*r.byteLength;case Ut:case 1033:return t*e*4/r.components*r.byteLength;case 33776:case 33777:return Math.floor((t+3)/4)*Math.floor((e+3)/4)*8;case 33778:case 33779:return Math.floor((t+3)/4)*Math.floor((e+3)/4)*16;case 35841:case 35843:return Math.max(t,16)*Math.max(e,8)/4;case 35840:case 35842:return Math.max(t,8)*Math.max(e,8)/2;case 36196:case 37492:case 37488:case 37489:return Math.floor((t+3)/4)*Math.floor((e+3)/4)*8;case 37496:case 37490:case 37491:case 37808:return Math.floor((t+3)/4)*Math.floor((e+3)/4)*16;case 37809:return Math.floor((t+4)/5)*Math.floor((e+3)/4)*16;case 37810:return Math.floor((t+4)/5)*Math.floor((e+4)/5)*16;case 37811:return Math.floor((t+5)/6)*Math.floor((e+4)/5)*16;case 37812:return Math.floor((t+5)/6)*Math.floor((e+5)/6)*16;case 37813:return Math.floor((t+7)/8)*Math.floor((e+4)/5)*16;case 37814:return Math.floor((t+7)/8)*Math.floor((e+5)/6)*16;case 37815:return Math.floor((t+7)/8)*Math.floor((e+7)/8)*16;case 37816:return Math.floor((t+9)/10)*Math.floor((e+4)/5)*16;case 37817:return Math.floor((t+9)/10)*Math.floor((e+5)/6)*16;case 37818:return Math.floor((t+9)/10)*Math.floor((e+7)/8)*16;case 37819:return Math.floor((t+9)/10)*Math.floor((e+9)/10)*16;case 37820:return Math.floor((t+11)/12)*Math.floor((e+9)/10)*16;case 37821:return Math.floor((t+11)/12)*Math.floor((e+11)/12)*16;case 36492:case 36494:case 36495:return Math.ceil(t/4)*Math.ceil(e/4)*16;case 36283:case 36284:return Math.ceil(t/4)*Math.ceil(e/4)*8;case 36285:case 36286:return Math.ceil(t/4)*Math.ceil(e/4)*16}throw new Error(`Unable to determine texture byte length for ${i} format.`)}class pp{static contain(t,e){return function(t,e){const i=t.image&&t.image.width?t.image.width/t.image.height:1;return i>e?(t.repeat.x=1,t.repeat.y=i/e,t.offset.x=0,t.offset.y=(1-t.repeat.y)/2):(t.repeat.x=e/i,t.repeat.y=1,t.offset.x=(1-t.repeat.x)/2,t.offset.y=0),t}(t,e)}static cover(t,e){return function(t,e){const i=t.image&&t.image.width?t.image.width/t.image.height:1;return i>e?(t.repeat.x=e/i,t.repeat.y=1,t.offset.x=(1-t.repeat.x)/2,t.offset.y=0):(t.repeat.x=1,t.repeat.y=i/e,t.offset.x=0,t.offset.y=(1-t.repeat.y)/2),t}(t,e)}static fill(t){return function(t){return t.repeat.x=1,t.repeat.y=1,t.offset.x=0,t.offset.y=0,t}(t)}static getByteLength(t,e,i,s){return dp(t,e,i,s)}}"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register",{detail:{revision:t}})),"undefined"!=typeof window&&(window.__THREE__?as("WARNING: Multiple instances of Three.js being imported."):window.__THREE__=t);export{it as ACESFilmicToneMapping,w as AddEquation,$ as AddOperation,Je as AdditiveAnimationBlendMode,g as AdditiveBlending,rt as AgXToneMapping,Dt as AlphaFormat,ki as AlwaysCompare,U as AlwaysDepth,Si as AlwaysStencilFunc,cu as AmbientLight,ad as AnimationAction,Tc as AnimationClip,Nc as AnimationLoader,hd as AnimationMixer,nd as AnimationObjectGroup,dc as AnimationUtils,Bh as ArcCurve,Eu as ArrayCamera,hp as ArrowHelper,at as AttachedBindMode,Ju as Audio,Gu as AudioAnalyser,zu as AudioContext,Wu as AudioListener,Cu as AudioLoader,lp as AxesHelper,d as BackSide,Ye as BasicDepthPacking,o as BasicShadowMap,No as BatchedMesh,fc as BezierInterpolant,Ha as Bone,bc as BooleanKeyframeTrack,_d as Box2,Qr as Box3,sp as Box3Helper,gh as BoxGeometry,ip as BoxHelper,Mn as BufferAttribute,Wn as BufferGeometry,xu as BufferGeometryLoader,Ct as ByteType,Cc as Cache,Qc as Camera,Kd as CameraHelper,uh as CanvasTexture,fh as CapsuleGeometry,Vh as CatmullRomCurve3,et as CineonToneMapping,xh as CircleGeometry,yt as ClampToEdgeWrapping,bd as Clock,Pr as Color,vc as ColorKeyframeTrack,Rs as ColorManagement,Yi as Compatibility,hh as CompressedArrayTexture,lh as CompressedCubeTexture,oh as CompressedTexture,Vc as CompressedTextureLoader,vh as ConeGeometry,L as ConstantAlphaFactor,V as ConstantColorFactor,up as Controls,Ru as CubeCamera,mh as CubeDepthTexture,lt as CubeReflectionMapping,ct as CubeRefractionMapping,ch as CubeTexture,Dc as CubeTextureLoader,pt as CubeUVReflectionMapping,jh as CubicBezierCurve,Uh as CubicBezierCurve3,mc as CubicInterpolant,r as CullFaceBack,n as CullFaceFront,a as CullFaceFrontBack,s as CullFaceNone,Ch as Curve,Zh as CurvePath,b as CustomBlending,st as CustomToneMapping,bh as CylinderGeometry,wd as Cylindrical,Gs as Data3DTexture,Ys as DataArrayTexture,Xa as DataTexture,jc as DataTextureLoader,xn as DataUtils,di as DecrementStencilOp,mi as DecrementWrapStencilOp,kc as DefaultLoadingManager,Wt as DepthFormat,Jt as DepthStencilFormat,ph as DepthTexture,ot as DetachedBindMode,lu as DirectionalLight,Gd as DirectionalLightHelper,gc as DiscreteInterpolant,Mh as DodecahedronGeometry,p as DoubleSide,O as DstAlphaFactor,R as DstColorFactor,Li as DynamicCopyUsage,Pi as DynamicDrawUsage,Ni as DynamicReadUsage,zh as EdgesGeometry,Ih as EllipseCurve,Ti as EqualCompare,q as EqualDepth,xi as EqualStencilFunc,ut as EquirectangularReflectionMapping,dt as EquirectangularRefractionMapping,hr as Euler,ds as EventDispatcher,yh as ExternalTexture,Cl as ExtrudeGeometry,Ec as FileLoader,Bn as Float16BufferAttribute,kn as Float32BufferAttribute,Pt as FloatType,Nr as Fog,Er as FogExp2,ah as FramebufferTexture,u as FrontSide,mo as Frustum,fo as FrustumArray,md as GLBufferAttribute,ji as GLSL1,Ui as GLSL3,Ci as GreaterCompare,X as GreaterDepth,Bi as GreaterEqualCompare,H as GreaterEqualDepth,Mi as GreaterEqualStencilFunc,vi as GreaterStencilFunc,qd as GridHelper,Tr as Group,dh as HTMLTexture,Rt as HalfFloatType,Jc as HemisphereLight,Jd as HemisphereLightHelper,Bl as IcosahedronGeometry,Au as ImageBitmapLoader,Lc as ImageLoader,Fs as ImageUtils,ui as IncrementStencilOp,pi as IncrementWrapStencilOp,$a as InstancedBufferAttribute,fu as InstancedBufferGeometry,pd as InstancedInterleavedBuffer,no as InstancedMesh,Tn as Int16BufferAttribute,Cn as Int32BufferAttribute,Sn as Int8BufferAttribute,kt as IntType,Jn as InterleavedBuffer,Hn as InterleavedBufferAttribute,pc as Interpolant,Le as InterpolateBezier,Ne as InterpolateDiscrete,Ve as InterpolateLinear,Fe as InterpolateSmooth,Xi as InterpolationSamplingMode,Hi as InterpolationSamplingType,yi as InvertStencilOp,li as KeepStencilOp,xc as KeyframeTrack,pa as LOD,kl as LatheGeometry,lr as Layers,Ai as LessCompare,W as LessDepth,zi as LessEqualCompare,J as LessEqualDepth,bi as LessEqualStencilFunc,fi as LessStencilFunc,Wc as Light,pu as LightProbe,qo as Line,Od as Line3,Vo as LineBasicMaterial,Wh as LineCurve,Jh as LineCurve3,oc as LineDashedMaterial,Go as LineLoop,Zo as LineSegments,Mt as LinearFilter,yc as LinearInterpolant,Tt as LinearMipMapLinearFilter,_t as LinearMipMapNearestFilter,At as LinearMipmapLinearFilter,St as LinearMipmapNearestFilter,ii as LinearSRGBColorSpace,K as LinearToneMapping,si as LinearTransfer,Oc as Loader,gu as LoaderUtils,Bc as LoadingManager,Pe as LoopOnce,Ee as LoopPingPong,Re as LoopRepeat,e as MOUSE,Zn as Material,v as MaterialBlending,yu 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this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this}lerpVectors(t,e,i){return this.x=t.x+(e.x-t.x)*i,this.y=t.y+(e.y-t.y)*i,this}equals(t){return t.x===this.x&&t.y===this.y}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this}rotateAround(t,e){const i=Math.cos(e),s=Math.sin(e),r=this.x-t.x,n=this.y-t.y;return this.x=r*i-n*s+t.x,this.y=r*s+n*i+t.y,this}random(){return this.x=Math.random(),this.y=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y}}class As{constructor(t=0,e=0,i=0,s=1){this.isQuaternion=!0,this._x=t,this._y=e,this._z=i,this._w=s}static slerpFlat(t,e,i,s,r,n,a){let o=i[s+0],h=i[s+1],l=i[s+2],c=i[s+3],u=r[n+0],d=r[n+1],p=r[n+2],m=r[n+3];if(c!==m||o!==u||h!==d||l!==p){let t=o*u+h*d+l*p+c*m;t<0&&(u=-u,d=-d,p=-p,m=-m,t=-t);let e=1-a;if(t<.9995){const i=Math.acos(t),s=Math.sin(i);e=Math.sin(e*i)/s,o=o*e+u*(a=Math.sin(a*i)/s),h=h*e+d*a,l=l*e+p*a,c=c*e+m*a}else{o=o*e+u*a,h=h*e+d*a,l=l*e+p*a,c=c*e+m*a;const t=1/Math.sqrt(o*o+h*h+l*l+c*c);o*=t,h*=t,l*=t,c*=t}}t[e]=o,t[e+1]=h,t[e+2]=l,t[e+3]=c}static multiplyQuaternionsFlat(t,e,i,s,r,n){const a=i[s],o=i[s+1],h=i[s+2],l=i[s+3],c=r[n],u=r[n+1],d=r[n+2],p=r[n+3];return t[e]=a*p+l*c+o*d-h*u,t[e+1]=o*p+l*u+h*c-a*d,t[e+2]=h*p+l*d+a*u-o*c,t[e+3]=l*p-a*c-o*u-h*d,t}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get w(){return this._w}set w(t){this._w=t,this._onChangeCallback()}set(t,e,i,s){return this._x=t,this._y=e,this._z=i,this._w=s,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(t){return this._x=t.x,this._y=t.y,this._z=t.z,this._w=t.w,this._onChangeCallback(),this}setFromEuler(t,e=!0){const i=t._x,s=t._y,r=t._z,n=t._order,a=Math.cos,o=Math.sin,h=a(i/2),l=a(s/2),c=a(r/2),u=o(i/2),d=o(s/2),p=o(r/2);switch(n){case"XYZ":this._x=u*l*c+h*d*p,this._y=h*d*c-u*l*p,this._z=h*l*p+u*d*c,this._w=h*l*c-u*d*p;break;case"YXZ":this._x=u*l*c+h*d*p,this._y=h*d*c-u*l*p,this._z=h*l*p-u*d*c,this._w=h*l*c+u*d*p;break;case"ZXY":this._x=u*l*c-h*d*p,this._y=h*d*c+u*l*p,this._z=h*l*p+u*d*c,this._w=h*l*c-u*d*p;break;case"ZYX":this._x=u*l*c-h*d*p,this._y=h*d*c+u*l*p,this._z=h*l*p-u*d*c,this._w=h*l*c+u*d*p;break;case"YZX":this._x=u*l*c+h*d*p,this._y=h*d*c+u*l*p,this._z=h*l*p-u*d*c,this._w=h*l*c-u*d*p;break;case"XZY":this._x=u*l*c-h*d*p,this._y=h*d*c-u*l*p,this._z=h*l*p+u*d*c,this._w=h*l*c+u*d*p;break;default:as("Quaternion: .setFromEuler() encountered an unknown order: "+n)}return!0===e&&this._onChangeCallback(),this}setFromAxisAngle(t,e){const i=e/2,s=Math.sin(i);return this._x=t.x*s,this._y=t.y*s,this._z=t.z*s,this._w=Math.cos(i),this._onChangeCallback(),this}setFromRotationMatrix(t){const e=t.elements,i=e[0],s=e[4],r=e[8],n=e[1],a=e[5],o=e[9],h=e[2],l=e[6],c=e[10],u=i+a+c;if(u>0){const t=.5/Math.sqrt(u+1);this._w=.25/t,this._x=(l-o)*t,this._y=(r-h)*t,this._z=(n-s)*t}else if(i>a&&i>c){const t=2*Math.sqrt(1+i-a-c);this._w=(l-o)/t,this._x=.25*t,this._y=(s+n)/t,this._z=(r+h)/t}else if(a>c){const t=2*Math.sqrt(1+a-i-c);this._w=(r-h)/t,this._x=(s+n)/t,this._y=.25*t,this._z=(o+l)/t}else{const t=2*Math.sqrt(1+c-i-a);this._w=(n-s)/t,this._x=(r+h)/t,this._y=(o+l)/t,this._z=.25*t}return this._onChangeCallback(),this}setFromUnitVectors(t,e){let i=t.dot(e)+1;return i<1e-8?(i=0,Math.abs(t.x)>Math.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=i):(this._x=0,this._y=-t.z,this._z=t.y,this._w=i)):(this._x=t.y*e.z-t.z*e.y,this._y=t.z*e.x-t.x*e.z,this._z=t.x*e.y-t.y*e.x,this._w=i),this.normalize()}angleTo(t){return 2*Math.acos(Math.abs(xs(this.dot(t),-1,1)))}rotateTowards(t,e){const i=this.angleTo(t);if(0===i)return this;const s=Math.min(1,e/i);return this.slerp(t,s),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let t=this.length();return 0===t?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this._onChangeCallback(),this}multiply(t){return this.multiplyQuaternions(this,t)}premultiply(t){return this.multiplyQuaternions(t,this)}multiplyQuaternions(t,e){const i=t._x,s=t._y,r=t._z,n=t._w,a=e._x,o=e._y,h=e._z,l=e._w;return this._x=i*l+n*a+s*h-r*o,this._y=s*l+n*o+r*a-i*h,this._z=r*l+n*h+i*o-s*a,this._w=n*l-i*a-s*o-r*h,this._onChangeCallback(),this}slerp(t,e){let i=t._x,s=t._y,r=t._z,n=t._w,a=this.dot(t);a<0&&(i=-i,s=-s,r=-r,n=-n,a=-a);let o=1-e;if(a<.9995){const t=Math.acos(a),h=Math.sin(t);o=Math.sin(o*t)/h,e=Math.sin(e*t)/h,this._x=this._x*o+i*e,this._y=this._y*o+s*e,this._z=this._z*o+r*e,this._w=this._w*o+n*e,this._onChangeCallback()}else this._x=this._x*o+i*e,this._y=this._y*o+s*e,this._z=this._z*o+r*e,this._w=this._w*o+n*e,this.normalize();return this}slerpQuaternions(t,e,i){return this.copy(t).slerp(e,i)}random(){const t=2*Math.PI*Math.random(),e=2*Math.PI*Math.random(),i=Math.random(),s=Math.sqrt(1-i),r=Math.sqrt(i);return this.set(s*Math.sin(t),s*Math.cos(t),r*Math.sin(e),r*Math.cos(e))}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w}fromArray(t,e=0){return this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t}fromBufferAttribute(t,e){return this._x=t.getX(e),this._y=t.getY(e),this._z=t.getZ(e),this._w=t.getW(e),this._onChangeCallback(),this}toJSON(){return this.toArray()}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class Ts{static{Ts.prototype.isVector3=!0}constructor(t=0,e=0,i=0){this.x=t,this.y=e,this.z=i}set(t,e,i){return void 0===i&&(i=this.z),this.x=t,this.y=e,this.z=i,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;default:throw new Error("THREE.Vector3: index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("THREE.Vector3: index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this}multiplyVectors(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this}applyEuler(t){return this.applyQuaternion(Cs.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(Cs.setFromAxisAngle(t,e))}applyMatrix3(t){const e=this.x,i=this.y,s=this.z,r=t.elements;return this.x=r[0]*e+r[3]*i+r[6]*s,this.y=r[1]*e+r[4]*i+r[7]*s,this.z=r[2]*e+r[5]*i+r[8]*s,this}applyNormalMatrix(t){return this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,i=this.y,s=this.z,r=t.elements,n=1/(r[3]*e+r[7]*i+r[11]*s+r[15]);return this.x=(r[0]*e+r[4]*i+r[8]*s+r[12])*n,this.y=(r[1]*e+r[5]*i+r[9]*s+r[13])*n,this.z=(r[2]*e+r[6]*i+r[10]*s+r[14])*n,this}applyQuaternion(t){const e=this.x,i=this.y,s=this.z,r=t.x,n=t.y,a=t.z,o=t.w,h=2*(n*s-a*i),l=2*(a*e-r*s),c=2*(r*i-n*e);return this.x=e+o*h+n*c-a*l,this.y=i+o*l+a*h-r*c,this.z=s+o*c+r*l-n*h,this}project(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)}unproject(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)}transformDirection(t){const e=this.x,i=this.y,s=this.z,r=t.elements;return this.x=r[0]*e+r[4]*i+r[8]*s,this.y=r[1]*e+r[5]*i+r[9]*s,this.z=r[2]*e+r[6]*i+r[10]*s,this.normalize()}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this}divideScalar(t){return this.multiplyScalar(1/t)}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this}clamp(t,e){return this.x=xs(this.x,t.x,e.x),this.y=xs(this.y,t.y,e.y),this.z=xs(this.z,t.z,e.z),this}clampScalar(t,e){return this.x=xs(this.x,t,e),this.y=xs(this.y,t,e),this.z=xs(this.z,t,e),this}clampLength(t,e){const i=this.length();return this.divideScalar(i||1).multiplyScalar(xs(i,t,e))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this}lerpVectors(t,e,i){return this.x=t.x+(e.x-t.x)*i,this.y=t.y+(e.y-t.y)*i,this.z=t.z+(e.z-t.z)*i,this}cross(t){return this.crossVectors(this,t)}crossVectors(t,e){const i=t.x,s=t.y,r=t.z,n=e.x,a=e.y,o=e.z;return this.x=s*o-r*a,this.y=r*n-i*o,this.z=i*a-s*n,this}projectOnVector(t){const e=t.lengthSq();if(0===e)return this.set(0,0,0);const i=t.dot(this)/e;return this.copy(t).multiplyScalar(i)}projectOnPlane(t){return zs.copy(this).projectOnVector(t),this.sub(zs)}reflect(t){return this.sub(zs.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const i=this.dot(t)/e;return Math.acos(xs(i,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,i=this.y-t.y,s=this.z-t.z;return e*e+i*i+s*s}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)}setFromSpherical(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)}setFromSphericalCoords(t,e,i){const s=Math.sin(e)*t;return this.x=s*Math.sin(i),this.y=Math.cos(e)*t,this.z=s*Math.cos(i),this}setFromCylindrical(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)}setFromCylindricalCoords(t,e,i){return this.x=t*Math.sin(e),this.y=i,this.z=t*Math.cos(e),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this}setFromMatrixScale(t){const e=this.setFromMatrixColumn(t,0).length(),i=this.setFromMatrixColumn(t,1).length(),s=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=i,this.z=s,this}setFromMatrixColumn(t,e){return this.fromArray(t.elements,4*e)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,3*e)}setFromEuler(t){return this.x=t._x,this.y=t._y,this.z=t._z,this}setFromColor(t){return this.x=t.r,this.y=t.g,this.z=t.b,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const t=Math.random()*Math.PI*2,e=2*Math.random()-1,i=Math.sqrt(1-e*e);return this.x=i*Math.cos(t),this.y=e,this.z=i*Math.sin(t),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const zs=new Ts,Cs=new As;class Is{static{Is.prototype.isMatrix3=!0}constructor(t,e,i,s,r,n,a,o,h){this.elements=[1,0,0,0,1,0,0,0,1],void 0!==t&&this.set(t,e,i,s,r,n,a,o,h)}set(t,e,i,s,r,n,a,o,h){const l=this.elements;return l[0]=t,l[1]=s,l[2]=a,l[3]=e,l[4]=r,l[5]=o,l[6]=i,l[7]=n,l[8]=h,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(t){const e=this.elements,i=t.elements;return e[0]=i[0],e[1]=i[1],e[2]=i[2],e[3]=i[3],e[4]=i[4],e[5]=i[5],e[6]=i[6],e[7]=i[7],e[8]=i[8],this}extractBasis(t,e,i){return t.setFromMatrix3Column(this,0),e.setFromMatrix3Column(this,1),i.setFromMatrix3Column(this,2),this}setFromMatrix4(t){const e=t.elements;return this.set(e[0],e[4],e[8],e[1],e[5],e[9],e[2],e[6],e[10]),this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const i=t.elements,s=e.elements,r=this.elements,n=i[0],a=i[3],o=i[6],h=i[1],l=i[4],c=i[7],u=i[2],d=i[5],p=i[8],m=s[0],y=s[3],g=s[6],f=s[1],x=s[4],b=s[7],v=s[2],w=s[5],M=s[8];return r[0]=n*m+a*f+o*v,r[3]=n*y+a*x+o*w,r[6]=n*g+a*b+o*M,r[1]=h*m+l*f+c*v,r[4]=h*y+l*x+c*w,r[7]=h*g+l*b+c*M,r[2]=u*m+d*f+p*v,r[5]=u*y+d*x+p*w,r[8]=u*g+d*b+p*M,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[3]*=t,e[6]*=t,e[1]*=t,e[4]*=t,e[7]*=t,e[2]*=t,e[5]*=t,e[8]*=t,this}determinant(){const t=this.elements,e=t[0],i=t[1],s=t[2],r=t[3],n=t[4],a=t[5],o=t[6],h=t[7],l=t[8];return e*n*l-e*a*h-i*r*l+i*a*o+s*r*h-s*n*o}invert(){const t=this.elements,e=t[0],i=t[1],s=t[2],r=t[3],n=t[4],a=t[5],o=t[6],h=t[7],l=t[8],c=l*n-a*h,u=a*o-l*r,d=h*r-n*o,p=e*c+i*u+s*d;if(0===p)return this.set(0,0,0,0,0,0,0,0,0);const m=1/p;return t[0]=c*m,t[1]=(s*h-l*i)*m,t[2]=(a*i-s*n)*m,t[3]=u*m,t[4]=(l*e-s*o)*m,t[5]=(s*r-a*e)*m,t[6]=d*m,t[7]=(i*o-h*e)*m,t[8]=(n*e-i*r)*m,this}transpose(){let t;const e=this.elements;return t=e[1],e[1]=e[3],e[3]=t,t=e[2],e[2]=e[6],e[6]=t,t=e[5],e[5]=e[7],e[7]=t,this}getNormalMatrix(t){return this.setFromMatrix4(t).invert().transpose()}transposeIntoArray(t){const e=this.elements;return t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8],this}setUvTransform(t,e,i,s,r,n,a){const o=Math.cos(r),h=Math.sin(r);return this.set(i*o,i*h,-i*(o*n+h*a)+n+t,-s*h,s*o,-s*(-h*n+o*a)+a+e,0,0,1),this}scale(t,e){return this.premultiply(Bs.makeScale(t,e)),this}rotate(t){return this.premultiply(Bs.makeRotation(-t)),this}translate(t,e){return this.premultiply(Bs.makeTranslation(t,e)),this}makeTranslation(t,e){return t.isVector2?this.set(1,0,t.x,0,1,t.y,0,0,1):this.set(1,0,t,0,1,e,0,0,1),this}makeRotation(t){const e=Math.cos(t),i=Math.sin(t);return this.set(e,-i,0,i,e,0,0,0,1),this}makeScale(t,e){return this.set(t,0,0,0,e,0,0,0,1),this}equals(t){const e=this.elements,i=t.elements;for(let t=0;t<9;t++)if(e[t]!==i[t])return!1;return!0}fromArray(t,e=0){for(let i=0;i<9;i++)this.elements[i]=t[i+e];return this}toArray(t=[],e=0){const i=this.elements;return t[e]=i[0],t[e+1]=i[1],t[e+2]=i[2],t[e+3]=i[3],t[e+4]=i[4],t[e+5]=i[5],t[e+6]=i[6],t[e+7]=i[7],t[e+8]=i[8],t}clone(){return(new this.constructor).fromArray(this.elements)}}const Bs=new Is,ks=(new Is).set(.4123908,.3575843,.1804808,.212639,.7151687,.0721923,.0193308,.1191948,.9505322),Os=(new Is).set(3.2409699,-1.5373832,-.4986108,-.9692436,1.8759675,.0415551,.0556301,-.203977,1.0569715);function Ps(){const t={enabled:!0,workingColorSpace:ii,spaces:{},convert:function(t,e,i){return!1!==this.enabled&&e!==i&&e&&i?(this.spaces[e].transfer===ri&&(t.r=Es(t.r),t.g=Es(t.g),t.b=Es(t.b)),this.spaces[e].primaries!==this.spaces[i].primaries&&(t.applyMatrix3(this.spaces[e].toXYZ),t.applyMatrix3(this.spaces[i].fromXYZ)),this.spaces[i].transfer===ri&&(t.r=Ns(t.r),t.g=Ns(t.g),t.b=Ns(t.b)),t):t},workingToColorSpace:function(t,e){return this.convert(t,this.workingColorSpace,e)},colorSpaceToWorking:function(t,e){return this.convert(t,e,this.workingColorSpace)},getPrimaries:function(t){return this.spaces[t].primaries},getTransfer:function(t){return""===t?si:this.spaces[t].transfer},getToneMappingMode:function(t){return this.spaces[t].outputColorSpaceConfig.toneMappingMode||"standard"},getLuminanceCoefficients:function(t,e=this.workingColorSpace){return t.fromArray(this.spaces[e].luminanceCoefficients)},define:function(t){Object.assign(this.spaces,t)},_getMatrix:function(t,e,i){return t.copy(this.spaces[e].toXYZ).multiply(this.spaces[i].fromXYZ)},_getDrawingBufferColorSpace:function(t){return this.spaces[t].outputColorSpaceConfig.drawingBufferColorSpace},_getUnpackColorSpace:function(t=this.workingColorSpace){return this.spaces[t].workingColorSpaceConfig.unpackColorSpace},fromWorkingColorSpace:function(e,i){return hs("ColorManagement: .fromWorkingColorSpace() has been renamed to .workingToColorSpace()."),t.workingToColorSpace(e,i)},toWorkingColorSpace:function(e,i){return hs("ColorManagement: .toWorkingColorSpace() has been renamed to .colorSpaceToWorking()."),t.colorSpaceToWorking(e,i)}},e=[.64,.33,.3,.6,.15,.06],i=[.2126,.7152,.0722],s=[.3127,.329];return t.define({[ii]:{primaries:e,whitePoint:s,transfer:si,toXYZ:ks,fromXYZ:Os,luminanceCoefficients:i,workingColorSpaceConfig:{unpackColorSpace:ei},outputColorSpaceConfig:{drawingBufferColorSpace:ei}},[ei]:{primaries:e,whitePoint:s,transfer:ri,toXYZ:ks,fromXYZ:Os,luminanceCoefficients:i,outputColorSpaceConfig:{drawingBufferColorSpace:ei}}}),t}const Rs=Ps();function Es(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function Ns(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}let Vs;class Fs{static getDataURL(t,e="image/png"){if(/^data:/i.test(t.src))return t.src;if("undefined"==typeof HTMLCanvasElement)return t.src;let i;if(t instanceof HTMLCanvasElement)i=t;else{void 0===Vs&&(Vs=Qi("canvas")),Vs.width=t.width,Vs.height=t.height;const e=Vs.getContext("2d");t instanceof ImageData?e.putImageData(t,0,0):e.drawImage(t,0,0,t.width,t.height),i=Vs}return i.toDataURL(e)}static sRGBToLinear(t){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const e=Qi("canvas");e.width=t.width,e.height=t.height;const i=e.getContext("2d");i.drawImage(t,0,0,t.width,t.height);const s=i.getImageData(0,0,t.width,t.height),r=s.data;for(let t=0;t<r.length;t++)r[t]=255*Es(r[t]/255);return i.putImageData(s,0,0),e}if(t.data){const e=t.data.slice(0);for(let t=0;t<e.length;t++)e instanceof Uint8Array||e instanceof Uint8ClampedArray?e[t]=Math.floor(255*Es(e[t]/255)):e[t]=Es(e[t]);return{data:e,width:t.width,height:t.height}}return as("ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."),t}}let Ls=0;class Ds{constructor(t=null){this.isSource=!0,Object.defineProperty(this,"id",{value:Ls++}),this.uuid=fs(),this.data=t,this.dataReady=!0,this.version=0}getSize(t){const e=this.data;return"undefined"!=typeof HTMLVideoElement&&e instanceof HTMLVideoElement?t.set(e.videoWidth,e.videoHeight,0):"undefined"!=typeof VideoFrame&&e instanceof VideoFrame?t.set(e.displayWidth,e.displayHeight,0):null!==e?t.set(e.width,e.height,e.depth||0):t.set(0,0,0),t}set needsUpdate(t){!0===t&&this.version++}toJSON(t){const e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.images[this.uuid])return t.images[this.uuid];const i={uuid:this.uuid,url:""},s=this.data;if(null!==s){let t;if(Array.isArray(s)){t=[];for(let e=0,i=s.length;e<i;e++)s[e].isDataTexture?t.push(js(s[e].image)):t.push(js(s[e]))}else t=js(s);i.url=t}return e||(t.images[this.uuid]=i),i}}function js(t){return"undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap?Fs.getDataURL(t):t.data?{data:Array.from(t.data),width:t.width,height:t.height,type:t.data.constructor.name}:(as("Texture: Unable to serialize Texture."),{})}let Us=0;const Ws=new Ts;class Js extends ds{constructor(t=Js.DEFAULT_IMAGE,e=Js.DEFAULT_MAPPING,i=1001,s=1001,r=1006,n=1008,a=1023,o=1009,h=Js.DEFAULT_ANISOTROPY,l=""){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:Us++}),this.uuid=fs(),this.name="",this.source=new Ds(t),this.mipmaps=[],this.mapping=e,this.channel=0,this.wrapS=i,this.wrapT=s,this.magFilter=r,this.minFilter=n,this.anisotropy=h,this.format=a,this.internalFormat=null,this.type=o,this.offset=new _s(0,0),this.repeat=new _s(1,1),this.center=new _s(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new Is,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.colorSpace=l,this.userData={},this.updateRanges=[],this.version=0,this.onUpdate=null,this.renderTarget=null,this.isRenderTargetTexture=!1,this.isArrayTexture=!!(t&&t.depth&&t.depth>1),this.pmremVersion=0,this.normalized=!1}get width(){return this.source.getSize(Ws).x}get height(){return this.source.getSize(Ws).y}get depth(){return this.source.getSize(Ws).z}get image(){return this.source.data}set image(t){this.source.data=t}updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}clone(){return(new this.constructor).copy(this)}copy(t){return this.name=t.name,this.source=t.source,this.mipmaps=t.mipmaps.slice(0),this.mapping=t.mapping,this.channel=t.channel,this.wrapS=t.wrapS,this.wrapT=t.wrapT,this.magFilter=t.magFilter,this.minFilter=t.minFilter,this.anisotropy=t.anisotropy,this.format=t.format,this.internalFormat=t.internalFormat,this.type=t.type,this.normalized=t.normalized,this.offset.copy(t.offset),this.repeat.copy(t.repeat),this.center.copy(t.center),this.rotation=t.rotation,this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrix.copy(t.matrix),this.generateMipmaps=t.generateMipmaps,this.premultiplyAlpha=t.premultiplyAlpha,this.flipY=t.flipY,this.unpackAlignment=t.unpackAlignment,this.colorSpace=t.colorSpace,this.renderTarget=t.renderTarget,this.isRenderTargetTexture=t.isRenderTargetTexture,this.isArrayTexture=t.isArrayTexture,this.userData=JSON.parse(JSON.stringify(t.userData)),this.needsUpdate=!0,this}setValues(t){for(const e in t){const i=t[e];if(void 0===i){as(`Texture.setValues(): parameter '${e}' has value of undefined.`);continue}const s=this[e];void 0!==s?s&&i&&s.isVector2&&i.isVector2||s&&i&&s.isVector3&&i.isVector3||s&&i&&s.isMatrix3&&i.isMatrix3?s.copy(i):this[e]=i:as(`Texture.setValues(): property '${e}' does not exist.`)}}toJSON(t){const e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.textures[this.uuid])return t.textures[this.uuid];const i={metadata:{version:4.7,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,image:this.source.toJSON(t).uuid,mapping:this.mapping,channel:this.channel,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,internalFormat:this.internalFormat,type:this.type,normalized:this.normalized,colorSpace:this.colorSpace,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,generateMipmaps:this.generateMipmaps,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};return Object.keys(this.userData).length>0&&(i.userData=this.userData),e||(t.textures[this.uuid]=i),i}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(t){if(this.mapping!==ht)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case mt:t.x=t.x-Math.floor(t.x);break;case yt:t.x=t.x<0?0:1;break;case gt:1===Math.abs(Math.floor(t.x)%2)?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x)}if(t.y<0||t.y>1)switch(this.wrapT){case mt:t.y=t.y-Math.floor(t.y);break;case yt:t.y=t.y<0?0:1;break;case gt:1===Math.abs(Math.floor(t.y)%2)?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y)}return this.flipY&&(t.y=1-t.y),t}set needsUpdate(t){!0===t&&(this.version++,this.source.needsUpdate=!0)}set needsPMREMUpdate(t){!0===t&&this.pmremVersion++}}Js.DEFAULT_IMAGE=null,Js.DEFAULT_MAPPING=ht,Js.DEFAULT_ANISOTROPY=1;class qs{static{qs.prototype.isVector4=!0}constructor(t=0,e=0,i=0,s=1){this.x=t,this.y=e,this.z=i,this.w=s}get width(){return this.z}set width(t){this.z=t}get height(){return this.w}set height(t){this.w=t}set(t,e,i,s){return this.x=t,this.y=e,this.z=i,this.w=s,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this.w=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setW(t){return this.w=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;case 3:this.w=e;break;default:throw new Error("THREE.Vector4: index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("THREE.Vector4: index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=void 0!==t.w?t.w:1,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this.w=t.w-e.w,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this.w*=t.w,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this}applyMatrix4(t){const e=this.x,i=this.y,s=this.z,r=this.w,n=t.elements;return this.x=n[0]*e+n[4]*i+n[8]*s+n[12]*r,this.y=n[1]*e+n[5]*i+n[9]*s+n[13]*r,this.z=n[2]*e+n[6]*i+n[10]*s+n[14]*r,this.w=n[3]*e+n[7]*i+n[11]*s+n[15]*r,this}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this.w/=t.w,this}divideScalar(t){return this.multiplyScalar(1/t)}setAxisAngleFromQuaternion(t){this.w=2*Math.acos(t.w);const e=Math.sqrt(1-t.w*t.w);return e<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/e,this.y=t.y/e,this.z=t.z/e),this}setAxisAngleFromRotationMatrix(t){let e,i,s,r;const n=.01,a=.1,o=t.elements,h=o[0],l=o[4],c=o[8],u=o[1],d=o[5],p=o[9],m=o[2],y=o[6],g=o[10];if(Math.abs(l-u)<n&&Math.abs(c-m)<n&&Math.abs(p-y)<n){if(Math.abs(l+u)<a&&Math.abs(c+m)<a&&Math.abs(p+y)<a&&Math.abs(h+d+g-3)<a)return this.set(1,0,0,0),this;e=Math.PI;const t=(h+1)/2,o=(d+1)/2,f=(g+1)/2,x=(l+u)/4,b=(c+m)/4,v=(p+y)/4;return t>o&&t>f?t<n?(i=0,s=.707106781,r=.707106781):(i=Math.sqrt(t),s=x/i,r=b/i):o>f?o<n?(i=.707106781,s=0,r=.707106781):(s=Math.sqrt(o),i=x/s,r=v/s):f<n?(i=.707106781,s=.707106781,r=0):(r=Math.sqrt(f),i=b/r,s=v/r),this.set(i,s,r,e),this}let f=Math.sqrt((y-p)*(y-p)+(c-m)*(c-m)+(u-l)*(u-l));return Math.abs(f)<.001&&(f=1),this.x=(y-p)/f,this.y=(c-m)/f,this.z=(u-l)/f,this.w=Math.acos((h+d+g-1)/2),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this.w=e[15],this}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this.w=Math.min(this.w,t.w),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this.w=Math.max(this.w,t.w),this}clamp(t,e){return this.x=xs(this.x,t.x,e.x),this.y=xs(this.y,t.y,e.y),this.z=xs(this.z,t.z,e.z),this.w=xs(this.w,t.w,e.w),this}clampScalar(t,e){return this.x=xs(this.x,t,e),this.y=xs(this.y,t,e),this.z=xs(this.z,t,e),this.w=xs(this.w,t,e),this}clampLength(t,e){const i=this.length();return this.divideScalar(i||1).multiplyScalar(xs(i,t,e))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this.w=Math.trunc(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z+this.w*t.w}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this.w+=(t.w-this.w)*e,this}lerpVectors(t,e,i){return this.x=t.x+(e.x-t.x)*i,this.y=t.y+(e.y-t.y)*i,this.z=t.z+(e.z-t.z)*i,this.w=t.w+(e.w-t.w)*i,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z&&t.w===this.w}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this.w=t[e+3],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t[e+3]=this.w,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this.w=t.getW(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z,yield this.w}}class Hs extends ds{constructor(t=1,e=1,i={}){super(),i=Object.assign({generateMipmaps:!1,internalFormat:null,minFilter:Mt,depthBuffer:!0,stencilBuffer:!1,resolveDepthBuffer:!0,resolveStencilBuffer:!0,depthTexture:null,samples:0,count:1,depth:1,multiview:!1,useArrayDepthTexture:!1},i),this.isRenderTarget=!0,this.width=t,this.height=e,this.depth=i.depth,this.scissor=new qs(0,0,t,e),this.scissorTest=!1,this.viewport=new qs(0,0,t,e),this.textures=[];const s={width:t,height:e,depth:i.depth},r=new Js(s),n=i.count;for(let t=0;t<n;t++)this.textures[t]=r.clone(),this.textures[t].isRenderTargetTexture=!0,this.textures[t].renderTarget=this;this._setTextureOptions(i),this.depthBuffer=i.depthBuffer,this.stencilBuffer=i.stencilBuffer,this.resolveDepthBuffer=i.resolveDepthBuffer,this.resolveStencilBuffer=i.resolveStencilBuffer,this._depthTexture=null,this.depthTexture=i.depthTexture,this.samples=i.samples,this.multiview=i.multiview,this.useArrayDepthTexture=i.useArrayDepthTexture}_setTextureOptions(t={}){const e={minFilter:Mt,generateMipmaps:!1,flipY:!1,internalFormat:null};void 0!==t.mapping&&(e.mapping=t.mapping),void 0!==t.wrapS&&(e.wrapS=t.wrapS),void 0!==t.wrapT&&(e.wrapT=t.wrapT),void 0!==t.wrapR&&(e.wrapR=t.wrapR),void 0!==t.magFilter&&(e.magFilter=t.magFilter),void 0!==t.minFilter&&(e.minFilter=t.minFilter),void 0!==t.format&&(e.format=t.format),void 0!==t.type&&(e.type=t.type),void 0!==t.anisotropy&&(e.anisotropy=t.anisotropy),void 0!==t.colorSpace&&(e.colorSpace=t.colorSpace),void 0!==t.flipY&&(e.flipY=t.flipY),void 0!==t.generateMipmaps&&(e.generateMipmaps=t.generateMipmaps),void 0!==t.internalFormat&&(e.internalFormat=t.internalFormat);for(let t=0;t<this.textures.length;t++){this.textures[t].setValues(e)}}get texture(){return this.textures[0]}set texture(t){this.textures[0]=t}set depthTexture(t){null!==this._depthTexture&&(this._depthTexture.renderTarget=null),null!==t&&(t.renderTarget=this),this._depthTexture=t}get depthTexture(){return this._depthTexture}setSize(t,e,i=1){if(this.width!==t||this.height!==e||this.depth!==i){this.width=t,this.height=e,this.depth=i;for(let s=0,r=this.textures.length;s<r;s++)this.textures[s].image.width=t,this.textures[s].image.height=e,this.textures[s].image.depth=i,!0!==this.textures[s].isData3DTexture&&(this.textures[s].isArrayTexture=this.textures[s].image.depth>1);this.dispose()}this.viewport.set(0,0,t,e),this.scissor.set(0,0,t,e)}clone(){return(new this.constructor).copy(this)}copy(t){this.width=t.width,this.height=t.height,this.depth=t.depth,this.scissor.copy(t.scissor),this.scissorTest=t.scissorTest,this.viewport.copy(t.viewport),this.textures.length=0;for(let e=0,i=t.textures.length;e<i;e++){this.textures[e]=t.textures[e].clone(),this.textures[e].isRenderTargetTexture=!0,this.textures[e].renderTarget=this;const i=Object.assign({},t.textures[e].image);this.textures[e].source=new Ds(i)}return this.depthBuffer=t.depthBuffer,this.stencilBuffer=t.stencilBuffer,this.resolveDepthBuffer=t.resolveDepthBuffer,this.resolveStencilBuffer=t.resolveStencilBuffer,null!==t.depthTexture&&(this.depthTexture=t.depthTexture.clone()),this.samples=t.samples,this.multiview=t.multiview,this.useArrayDepthTexture=t.useArrayDepthTexture,this}dispose(){this.dispatchEvent({type:"dispose"})}}class Xs extends Hs{constructor(t=1,e=1,i={}){super(t,e,i),this.isWebGLRenderTarget=!0}}class Ys extends Js{constructor(t=null,e=1,i=1,s=1){super(null),this.isDataArrayTexture=!0,this.image={data:t,width:e,height:i,depth:s},this.magFilter=ft,this.minFilter=ft,this.wrapR=yt,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.layerUpdates=new Set}addLayerUpdate(t){this.layerUpdates.add(t)}clearLayerUpdates(){this.layerUpdates.clear()}}class Zs extends Xs{constructor(t=1,e=1,i=1,s={}){super(t,e,s),this.isWebGLArrayRenderTarget=!0,this.depth=i,this.texture=new Ys(null,t,e,i),this._setTextureOptions(s),this.texture.isRenderTargetTexture=!0}}class Gs extends Js{constructor(t=null,e=1,i=1,s=1){super(null),this.isData3DTexture=!0,this.image={data:t,width:e,height:i,depth:s},this.magFilter=ft,this.minFilter=ft,this.wrapR=yt,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class $s extends Xs{constructor(t=1,e=1,i=1,s={}){super(t,e,s),this.isWebGL3DRenderTarget=!0,this.depth=i,this.texture=new Gs(null,t,e,i),this._setTextureOptions(s),this.texture.isRenderTargetTexture=!0}}class Qs{static{Qs.prototype.isMatrix4=!0}constructor(t,e,i,s,r,n,a,o,h,l,c,u,d,p,m,y){this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],void 0!==t&&this.set(t,e,i,s,r,n,a,o,h,l,c,u,d,p,m,y)}set(t,e,i,s,r,n,a,o,h,l,c,u,d,p,m,y){const g=this.elements;return g[0]=t,g[4]=e,g[8]=i,g[12]=s,g[1]=r,g[5]=n,g[9]=a,g[13]=o,g[2]=h,g[6]=l,g[10]=c,g[14]=u,g[3]=d,g[7]=p,g[11]=m,g[15]=y,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return(new Qs).fromArray(this.elements)}copy(t){const e=this.elements,i=t.elements;return e[0]=i[0],e[1]=i[1],e[2]=i[2],e[3]=i[3],e[4]=i[4],e[5]=i[5],e[6]=i[6],e[7]=i[7],e[8]=i[8],e[9]=i[9],e[10]=i[10],e[11]=i[11],e[12]=i[12],e[13]=i[13],e[14]=i[14],e[15]=i[15],this}copyPosition(t){const e=this.elements,i=t.elements;return e[12]=i[12],e[13]=i[13],e[14]=i[14],this}setFromMatrix3(t){const e=t.elements;return this.set(e[0],e[3],e[6],0,e[1],e[4],e[7],0,e[2],e[5],e[8],0,0,0,0,1),this}extractBasis(t,e,i){return 0===this.determinant()?(t.set(1,0,0),e.set(0,1,0),i.set(0,0,1),this):(t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),i.setFromMatrixColumn(this,2),this)}makeBasis(t,e,i){return this.set(t.x,e.x,i.x,0,t.y,e.y,i.y,0,t.z,e.z,i.z,0,0,0,0,1),this}extractRotation(t){if(0===t.determinant())return this.identity();const e=this.elements,i=t.elements,s=1/Ks.setFromMatrixColumn(t,0).length(),r=1/Ks.setFromMatrixColumn(t,1).length(),n=1/Ks.setFromMatrixColumn(t,2).length();return e[0]=i[0]*s,e[1]=i[1]*s,e[2]=i[2]*s,e[3]=0,e[4]=i[4]*r,e[5]=i[5]*r,e[6]=i[6]*r,e[7]=0,e[8]=i[8]*n,e[9]=i[9]*n,e[10]=i[10]*n,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromEuler(t){const e=this.elements,i=t.x,s=t.y,r=t.z,n=Math.cos(i),a=Math.sin(i),o=Math.cos(s),h=Math.sin(s),l=Math.cos(r),c=Math.sin(r);if("XYZ"===t.order){const t=n*l,i=n*c,s=a*l,r=a*c;e[0]=o*l,e[4]=-o*c,e[8]=h,e[1]=i+s*h,e[5]=t-r*h,e[9]=-a*o,e[2]=r-t*h,e[6]=s+i*h,e[10]=n*o}else if("YXZ"===t.order){const t=o*l,i=o*c,s=h*l,r=h*c;e[0]=t+r*a,e[4]=s*a-i,e[8]=n*h,e[1]=n*c,e[5]=n*l,e[9]=-a,e[2]=i*a-s,e[6]=r+t*a,e[10]=n*o}else if("ZXY"===t.order){const t=o*l,i=o*c,s=h*l,r=h*c;e[0]=t-r*a,e[4]=-n*c,e[8]=s+i*a,e[1]=i+s*a,e[5]=n*l,e[9]=r-t*a,e[2]=-n*h,e[6]=a,e[10]=n*o}else if("ZYX"===t.order){const t=n*l,i=n*c,s=a*l,r=a*c;e[0]=o*l,e[4]=s*h-i,e[8]=t*h+r,e[1]=o*c,e[5]=r*h+t,e[9]=i*h-s,e[2]=-h,e[6]=a*o,e[10]=n*o}else if("YZX"===t.order){const t=n*o,i=n*h,s=a*o,r=a*h;e[0]=o*l,e[4]=r-t*c,e[8]=s*c+i,e[1]=c,e[5]=n*l,e[9]=-a*l,e[2]=-h*l,e[6]=i*c+s,e[10]=t-r*c}else if("XZY"===t.order){const t=n*o,i=n*h,s=a*o,r=a*h;e[0]=o*l,e[4]=-c,e[8]=h*l,e[1]=t*c+r,e[5]=n*l,e[9]=i*c-s,e[2]=s*c-i,e[6]=a*l,e[10]=r*c+t}return e[3]=0,e[7]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromQuaternion(t){return this.compose(er,t,ir)}lookAt(t,e,i){const s=this.elements;return nr.subVectors(t,e),0===nr.lengthSq()&&(nr.z=1),nr.normalize(),sr.crossVectors(i,nr),0===sr.lengthSq()&&(1===Math.abs(i.z)?nr.x+=1e-4:nr.z+=1e-4,nr.normalize(),sr.crossVectors(i,nr)),sr.normalize(),rr.crossVectors(nr,sr),s[0]=sr.x,s[4]=rr.x,s[8]=nr.x,s[1]=sr.y,s[5]=rr.y,s[9]=nr.y,s[2]=sr.z,s[6]=rr.z,s[10]=nr.z,this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const i=t.elements,s=e.elements,r=this.elements,n=i[0],a=i[4],o=i[8],h=i[12],l=i[1],c=i[5],u=i[9],d=i[13],p=i[2],m=i[6],y=i[10],g=i[14],f=i[3],x=i[7],b=i[11],v=i[15],w=s[0],M=s[4],S=s[8],_=s[12],A=s[1],T=s[5],z=s[9],C=s[13],I=s[2],B=s[6],k=s[10],O=s[14],P=s[3],R=s[7],E=s[11],N=s[15];return r[0]=n*w+a*A+o*I+h*P,r[4]=n*M+a*T+o*B+h*R,r[8]=n*S+a*z+o*k+h*E,r[12]=n*_+a*C+o*O+h*N,r[1]=l*w+c*A+u*I+d*P,r[5]=l*M+c*T+u*B+d*R,r[9]=l*S+c*z+u*k+d*E,r[13]=l*_+c*C+u*O+d*N,r[2]=p*w+m*A+y*I+g*P,r[6]=p*M+m*T+y*B+g*R,r[10]=p*S+m*z+y*k+g*E,r[14]=p*_+m*C+y*O+g*N,r[3]=f*w+x*A+b*I+v*P,r[7]=f*M+x*T+b*B+v*R,r[11]=f*S+x*z+b*k+v*E,r[15]=f*_+x*C+b*O+v*N,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[4]*=t,e[8]*=t,e[12]*=t,e[1]*=t,e[5]*=t,e[9]*=t,e[13]*=t,e[2]*=t,e[6]*=t,e[10]*=t,e[14]*=t,e[3]*=t,e[7]*=t,e[11]*=t,e[15]*=t,this}determinant(){const t=this.elements,e=t[0],i=t[4],s=t[8],r=t[12],n=t[1],a=t[5],o=t[9],h=t[13],l=t[2],c=t[6],u=t[10],d=t[14],p=t[3],m=t[7],y=t[11],g=t[15],f=o*d-h*u,x=a*d-h*c,b=a*u-o*c,v=n*d-h*l,w=n*u-o*l,M=n*c-a*l;return e*(m*f-y*x+g*b)-i*(p*f-y*v+g*w)+s*(p*x-m*v+g*M)-r*(p*b-m*w+y*M)}transpose(){const t=this.elements;let e;return e=t[1],t[1]=t[4],t[4]=e,e=t[2],t[2]=t[8],t[8]=e,e=t[6],t[6]=t[9],t[9]=e,e=t[3],t[3]=t[12],t[12]=e,e=t[7],t[7]=t[13],t[13]=e,e=t[11],t[11]=t[14],t[14]=e,this}setPosition(t,e,i){const s=this.elements;return t.isVector3?(s[12]=t.x,s[13]=t.y,s[14]=t.z):(s[12]=t,s[13]=e,s[14]=i),this}invert(){const t=this.elements,e=t[0],i=t[1],s=t[2],r=t[3],n=t[4],a=t[5],o=t[6],h=t[7],l=t[8],c=t[9],u=t[10],d=t[11],p=t[12],m=t[13],y=t[14],g=t[15],f=e*a-i*n,x=e*o-s*n,b=e*h-r*n,v=i*o-s*a,w=i*h-r*a,M=s*h-r*o,S=l*m-c*p,_=l*y-u*p,A=l*g-d*p,T=c*y-u*m,z=c*g-d*m,C=u*g-d*y,I=f*C-x*z+b*T+v*A-w*_+M*S;if(0===I)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const B=1/I;return t[0]=(a*C-o*z+h*T)*B,t[1]=(s*z-i*C-r*T)*B,t[2]=(m*M-y*w+g*v)*B,t[3]=(u*w-c*M-d*v)*B,t[4]=(o*A-n*C-h*_)*B,t[5]=(e*C-s*A+r*_)*B,t[6]=(y*b-p*M-g*x)*B,t[7]=(l*M-u*b+d*x)*B,t[8]=(n*z-a*A+h*S)*B,t[9]=(i*A-e*z-r*S)*B,t[10]=(p*w-m*b+g*f)*B,t[11]=(c*b-l*w-d*f)*B,t[12]=(a*_-n*T-o*S)*B,t[13]=(e*T-i*_+s*S)*B,t[14]=(m*x-p*v-y*f)*B,t[15]=(l*v-c*x+u*f)*B,this}scale(t){const e=this.elements,i=t.x,s=t.y,r=t.z;return e[0]*=i,e[4]*=s,e[8]*=r,e[1]*=i,e[5]*=s,e[9]*=r,e[2]*=i,e[6]*=s,e[10]*=r,e[3]*=i,e[7]*=s,e[11]*=r,this}getMaxScaleOnAxis(){const t=this.elements,e=t[0]*t[0]+t[1]*t[1]+t[2]*t[2],i=t[4]*t[4]+t[5]*t[5]+t[6]*t[6],s=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(e,i,s))}makeTranslation(t,e,i){return t.isVector3?this.set(1,0,0,t.x,0,1,0,t.y,0,0,1,t.z,0,0,0,1):this.set(1,0,0,t,0,1,0,e,0,0,1,i,0,0,0,1),this}makeRotationX(t){const e=Math.cos(t),i=Math.sin(t);return this.set(1,0,0,0,0,e,-i,0,0,i,e,0,0,0,0,1),this}makeRotationY(t){const e=Math.cos(t),i=Math.sin(t);return this.set(e,0,i,0,0,1,0,0,-i,0,e,0,0,0,0,1),this}makeRotationZ(t){const e=Math.cos(t),i=Math.sin(t);return this.set(e,-i,0,0,i,e,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(t,e){const i=Math.cos(e),s=Math.sin(e),r=1-i,n=t.x,a=t.y,o=t.z,h=r*n,l=r*a;return this.set(h*n+i,h*a-s*o,h*o+s*a,0,h*a+s*o,l*a+i,l*o-s*n,0,h*o-s*a,l*o+s*n,r*o*o+i,0,0,0,0,1),this}makeScale(t,e,i){return this.set(t,0,0,0,0,e,0,0,0,0,i,0,0,0,0,1),this}makeShear(t,e,i,s,r,n){return this.set(1,i,r,0,t,1,n,0,e,s,1,0,0,0,0,1),this}compose(t,e,i){const s=this.elements,r=e._x,n=e._y,a=e._z,o=e._w,h=r+r,l=n+n,c=a+a,u=r*h,d=r*l,p=r*c,m=n*l,y=n*c,g=a*c,f=o*h,x=o*l,b=o*c,v=i.x,w=i.y,M=i.z;return s[0]=(1-(m+g))*v,s[1]=(d+b)*v,s[2]=(p-x)*v,s[3]=0,s[4]=(d-b)*w,s[5]=(1-(u+g))*w,s[6]=(y+f)*w,s[7]=0,s[8]=(p+x)*M,s[9]=(y-f)*M,s[10]=(1-(u+m))*M,s[11]=0,s[12]=t.x,s[13]=t.y,s[14]=t.z,s[15]=1,this}decompose(t,e,i){const s=this.elements;t.x=s[12],t.y=s[13],t.z=s[14];const r=this.determinant();if(0===r)return i.set(1,1,1),e.identity(),this;let n=Ks.set(s[0],s[1],s[2]).length();const a=Ks.set(s[4],s[5],s[6]).length(),o=Ks.set(s[8],s[9],s[10]).length();r<0&&(n=-n),tr.copy(this);const h=1/n,l=1/a,c=1/o;return tr.elements[0]*=h,tr.elements[1]*=h,tr.elements[2]*=h,tr.elements[4]*=l,tr.elements[5]*=l,tr.elements[6]*=l,tr.elements[8]*=c,tr.elements[9]*=c,tr.elements[10]*=c,e.setFromRotationMatrix(tr),i.x=n,i.y=a,i.z=o,this}makePerspective(t,e,i,s,r,n,a=2e3,o=!1){const h=this.elements,l=2*r/(e-t),c=2*r/(i-s),u=(e+t)/(e-t),d=(i+s)/(i-s);let p,m;if(o)p=r/(n-r),m=n*r/(n-r);else if(a===Wi)p=-(n+r)/(n-r),m=-2*n*r/(n-r);else{if(a!==Ji)throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+a);p=-n/(n-r),m=-n*r/(n-r)}return h[0]=l,h[4]=0,h[8]=u,h[12]=0,h[1]=0,h[5]=c,h[9]=d,h[13]=0,h[2]=0,h[6]=0,h[10]=p,h[14]=m,h[3]=0,h[7]=0,h[11]=-1,h[15]=0,this}makeOrthographic(t,e,i,s,r,n,a=2e3,o=!1){const h=this.elements,l=2/(e-t),c=2/(i-s),u=-(e+t)/(e-t),d=-(i+s)/(i-s);let p,m;if(o)p=1/(n-r),m=n/(n-r);else if(a===Wi)p=-2/(n-r),m=-(n+r)/(n-r);else{if(a!==Ji)throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+a);p=-1/(n-r),m=-r/(n-r)}return h[0]=l,h[4]=0,h[8]=0,h[12]=u,h[1]=0,h[5]=c,h[9]=0,h[13]=d,h[2]=0,h[6]=0,h[10]=p,h[14]=m,h[3]=0,h[7]=0,h[11]=0,h[15]=1,this}equals(t){const e=this.elements,i=t.elements;for(let t=0;t<16;t++)if(e[t]!==i[t])return!1;return!0}fromArray(t,e=0){for(let i=0;i<16;i++)this.elements[i]=t[i+e];return this}toArray(t=[],e=0){const i=this.elements;return t[e]=i[0],t[e+1]=i[1],t[e+2]=i[2],t[e+3]=i[3],t[e+4]=i[4],t[e+5]=i[5],t[e+6]=i[6],t[e+7]=i[7],t[e+8]=i[8],t[e+9]=i[9],t[e+10]=i[10],t[e+11]=i[11],t[e+12]=i[12],t[e+13]=i[13],t[e+14]=i[14],t[e+15]=i[15],t}}const Ks=new Ts,tr=new Qs,er=new Ts(0,0,0),ir=new Ts(1,1,1),sr=new Ts,rr=new Ts,nr=new Ts,ar=new Qs,or=new As;class hr{constructor(t=0,e=0,i=0,s=hr.DEFAULT_ORDER){this.isEuler=!0,this._x=t,this._y=e,this._z=i,this._order=s}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get order(){return this._order}set order(t){this._order=t,this._onChangeCallback()}set(t,e,i,s=this._order){return this._x=t,this._y=e,this._z=i,this._order=s,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(t){return this._x=t._x,this._y=t._y,this._z=t._z,this._order=t._order,this._onChangeCallback(),this}setFromRotationMatrix(t,e=this._order,i=!0){const s=t.elements,r=s[0],n=s[4],a=s[8],o=s[1],h=s[5],l=s[9],c=s[2],u=s[6],d=s[10];switch(e){case"XYZ":this._y=Math.asin(xs(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(-l,d),this._z=Math.atan2(-n,r)):(this._x=Math.atan2(u,h),this._z=0);break;case"YXZ":this._x=Math.asin(-xs(l,-1,1)),Math.abs(l)<.9999999?(this._y=Math.atan2(a,d),this._z=Math.atan2(o,h)):(this._y=Math.atan2(-c,r),this._z=0);break;case"ZXY":this._x=Math.asin(xs(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(-c,d),this._z=Math.atan2(-n,h)):(this._y=0,this._z=Math.atan2(o,r));break;case"ZYX":this._y=Math.asin(-xs(c,-1,1)),Math.abs(c)<.9999999?(this._x=Math.atan2(u,d),this._z=Math.atan2(o,r)):(this._x=0,this._z=Math.atan2(-n,h));break;case"YZX":this._z=Math.asin(xs(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-l,h),this._y=Math.atan2(-c,r)):(this._x=0,this._y=Math.atan2(a,d));break;case"XZY":this._z=Math.asin(-xs(n,-1,1)),Math.abs(n)<.9999999?(this._x=Math.atan2(u,h),this._y=Math.atan2(a,r)):(this._x=Math.atan2(-l,d),this._y=0);break;default:as("Euler: .setFromRotationMatrix() encountered an unknown order: "+e)}return this._order=e,!0===i&&this._onChangeCallback(),this}setFromQuaternion(t,e,i){return ar.makeRotationFromQuaternion(t),this.setFromRotationMatrix(ar,e,i)}setFromVector3(t,e=this._order){return this.set(t.x,t.y,t.z,e)}reorder(t){return or.setFromEuler(this),this.setFromQuaternion(or,t)}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._order===this._order}fromArray(t){return this._x=t[0],this._y=t[1],this._z=t[2],void 0!==t[3]&&(this._order=t[3]),this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._order,t}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}}hr.DEFAULT_ORDER="XYZ";class lr{constructor(){this.mask=1}set(t){this.mask=1<<t>>>0}enable(t){this.mask|=1<<t}enableAll(){this.mask=-1}toggle(t){this.mask^=1<<t}disable(t){this.mask&=~(1<<t)}disableAll(){this.mask=0}test(t){return 0!==(this.mask&t.mask)}isEnabled(t){return!!(this.mask&1<<t)}}let cr=0;const ur=new Ts,dr=new As,pr=new Qs,mr=new Ts,yr=new Ts,gr=new Ts,fr=new As,xr=new Ts(1,0,0),br=new Ts(0,1,0),vr=new Ts(0,0,1),wr={type:"added"},Mr={type:"removed"},Sr={type:"childadded",child:null},_r={type:"childremoved",child:null};class Ar extends ds{constructor(){super(),this.isObject3D=!0,Object.defineProperty(this,"id",{value:cr++}),this.uuid=fs(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=Ar.DEFAULT_UP.clone();const t=new Ts,e=new hr,i=new As,s=new Ts(1,1,1);e._onChange(function(){i.setFromEuler(e,!1)}),i._onChange(function(){e.setFromQuaternion(i,void 0,!1)}),Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:t},rotation:{configurable:!0,enumerable:!0,value:e},quaternion:{configurable:!0,enumerable:!0,value:i},scale:{configurable:!0,enumerable:!0,value:s},modelViewMatrix:{value:new Qs},normalMatrix:{value:new Is}}),this.matrix=new Qs,this.matrixWorld=new Qs,this.matrixAutoUpdate=Ar.DEFAULT_MATRIX_AUTO_UPDATE,this.matrixWorldAutoUpdate=Ar.DEFAULT_MATRIX_WORLD_AUTO_UPDATE,this.matrixWorldNeedsUpdate=!1,this.layers=new lr,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.customDepthMaterial=void 0,this.customDistanceMaterial=void 0,this.static=!1,this.userData={},this.pivot=null}onBeforeShadow(){}onAfterShadow(){}onBeforeRender(){}onAfterRender(){}applyMatrix4(t){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(t),this.matrix.decompose(this.position,this.quaternion,this.scale)}applyQuaternion(t){return this.quaternion.premultiply(t),this}setRotationFromAxisAngle(t,e){this.quaternion.setFromAxisAngle(t,e)}setRotationFromEuler(t){this.quaternion.setFromEuler(t,!0)}setRotationFromMatrix(t){this.quaternion.setFromRotationMatrix(t)}setRotationFromQuaternion(t){this.quaternion.copy(t)}rotateOnAxis(t,e){return dr.setFromAxisAngle(t,e),this.quaternion.multiply(dr),this}rotateOnWorldAxis(t,e){return dr.setFromAxisAngle(t,e),this.quaternion.premultiply(dr),this}rotateX(t){return this.rotateOnAxis(xr,t)}rotateY(t){return this.rotateOnAxis(br,t)}rotateZ(t){return this.rotateOnAxis(vr,t)}translateOnAxis(t,e){return ur.copy(t).applyQuaternion(this.quaternion),this.position.add(ur.multiplyScalar(e)),this}translateX(t){return this.translateOnAxis(xr,t)}translateY(t){return this.translateOnAxis(br,t)}translateZ(t){return this.translateOnAxis(vr,t)}localToWorld(t){return this.updateWorldMatrix(!0,!1),t.applyMatrix4(this.matrixWorld)}worldToLocal(t){return this.updateWorldMatrix(!0,!1),t.applyMatrix4(pr.copy(this.matrixWorld).invert())}lookAt(t,e,i){t.isVector3?mr.copy(t):mr.set(t,e,i);const s=this.parent;this.updateWorldMatrix(!0,!1),yr.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?pr.lookAt(yr,mr,this.up):pr.lookAt(mr,yr,this.up),this.quaternion.setFromRotationMatrix(pr),s&&(pr.extractRotation(s.matrixWorld),dr.setFromRotationMatrix(pr),this.quaternion.premultiply(dr.invert()))}add(t){if(arguments.length>1){for(let t=0;t<arguments.length;t++)this.add(arguments[t]);return this}return t===this?(os("Object3D.add: object can't be added as a child of itself.",t),this):(t&&t.isObject3D?(t.removeFromParent(),t.parent=this,this.children.push(t),t.dispatchEvent(wr),Sr.child=t,this.dispatchEvent(Sr),Sr.child=null):os("Object3D.add: object not an instance of THREE.Object3D.",t),this)}remove(t){if(arguments.length>1){for(let t=0;t<arguments.length;t++)this.remove(arguments[t]);return this}const e=this.children.indexOf(t);return-1!==e&&(t.parent=null,this.children.splice(e,1),t.dispatchEvent(Mr),_r.child=t,this.dispatchEvent(_r),_r.child=null),this}removeFromParent(){const t=this.parent;return null!==t&&t.remove(this),this}clear(){return this.remove(...this.children)}attach(t){return this.updateWorldMatrix(!0,!1),pr.copy(this.matrixWorld).invert(),null!==t.parent&&(t.parent.updateWorldMatrix(!0,!1),pr.multiply(t.parent.matrixWorld)),t.applyMatrix4(pr),t.removeFromParent(),t.parent=this,this.children.push(t),t.updateWorldMatrix(!1,!0),t.dispatchEvent(wr),Sr.child=t,this.dispatchEvent(Sr),Sr.child=null,this}getObjectById(t){return this.getObjectByProperty("id",t)}getObjectByName(t){return this.getObjectByProperty("name",t)}getObjectByProperty(t,e){if(this[t]===e)return this;for(let i=0,s=this.children.length;i<s;i++){const s=this.children[i].getObjectByProperty(t,e);if(void 0!==s)return s}}getObjectsByProperty(t,e,i=[]){this[t]===e&&i.push(this);const s=this.children;for(let r=0,n=s.length;r<n;r++)s[r].getObjectsByProperty(t,e,i);return i}getWorldPosition(t){return this.updateWorldMatrix(!0,!1),t.setFromMatrixPosition(this.matrixWorld)}getWorldQuaternion(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(yr,t,gr),t}getWorldScale(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(yr,fr,t),t}getWorldDirection(t){this.updateWorldMatrix(!0,!1);const e=this.matrixWorld.elements;return t.set(e[8],e[9],e[10]).normalize()}raycast(){}traverse(t){t(this);const e=this.children;for(let i=0,s=e.length;i<s;i++)e[i].traverse(t)}traverseVisible(t){if(!1===this.visible)return;t(this);const e=this.children;for(let i=0,s=e.length;i<s;i++)e[i].traverseVisible(t)}traverseAncestors(t){const e=this.parent;null!==e&&(t(e),e.traverseAncestors(t))}updateMatrix(){this.matrix.compose(this.position,this.quaternion,this.scale);const t=this.pivot;if(null!==t){const e=t.x,i=t.y,s=t.z,r=this.matrix.elements;r[12]+=e-r[0]*e-r[4]*i-r[8]*s,r[13]+=i-r[1]*e-r[5]*i-r[9]*s,r[14]+=s-r[2]*e-r[6]*i-r[10]*s}this.matrixWorldNeedsUpdate=!0}updateMatrixWorld(t){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||t)&&(!0===this.matrixWorldAutoUpdate&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix)),this.matrixWorldNeedsUpdate=!1,t=!0);const e=this.children;for(let i=0,s=e.length;i<s;i++){e[i].updateMatrixWorld(t)}}updateWorldMatrix(t,e,i=!1){const s=this.parent;if(!0===t&&null!==s&&s.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||i)&&(!0===this.matrixWorldAutoUpdate&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix)),this.matrixWorldNeedsUpdate=!1,i=!0),!0===e){const t=this.children;for(let e=0,s=t.length;e<s;e++){t[e].updateWorldMatrix(!1,!0,i)}}}toJSON(t){const e=void 0===t||"string"==typeof t,i={};e&&(t={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{},nodes:{}},i.metadata={version:4.7,type:"Object",generator:"Object3D.toJSON"});const s={};function r(e,i){return void 0===e[i.uuid]&&(e[i.uuid]=i.toJSON(t)),i.uuid}if(s.uuid=this.uuid,s.type=this.type,""!==this.name&&(s.name=this.name),!0===this.castShadow&&(s.castShadow=!0),!0===this.receiveShadow&&(s.receiveShadow=!0),!1===this.visible&&(s.visible=!1),!1===this.frustumCulled&&(s.frustumCulled=!1),0!==this.renderOrder&&(s.renderOrder=this.renderOrder),!1!==this.static&&(s.static=this.static),Object.keys(this.userData).length>0&&(s.userData=this.userData),s.layers=this.layers.mask,s.matrix=this.matrix.toArray(),s.up=this.up.toArray(),null!==this.pivot&&(s.pivot=this.pivot.toArray()),!1===this.matrixAutoUpdate&&(s.matrixAutoUpdate=!1),void 0!==this.morphTargetDictionary&&(s.morphTargetDictionary=Object.assign({},this.morphTargetDictionary)),void 0!==this.morphTargetInfluences&&(s.morphTargetInfluences=this.morphTargetInfluences.slice()),this.isInstancedMesh&&(s.type="InstancedMesh",s.count=this.count,s.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(s.instanceColor=this.instanceColor.toJSON())),this.isBatchedMesh&&(s.type="BatchedMesh",s.perObjectFrustumCulled=this.perObjectFrustumCulled,s.sortObjects=this.sortObjects,s.drawRanges=this._drawRanges,s.reservedRanges=this._reservedRanges,s.geometryInfo=this._geometryInfo.map(t=>({...t,boundingBox:t.boundingBox?t.boundingBox.toJSON():void 0,boundingSphere:t.boundingSphere?t.boundingSphere.toJSON():void 0})),s.instanceInfo=this._instanceInfo.map(t=>({...t})),s.availableInstanceIds=this._availableInstanceIds.slice(),s.availableGeometryIds=this._availableGeometryIds.slice(),s.nextIndexStart=this._nextIndexStart,s.nextVertexStart=this._nextVertexStart,s.geometryCount=this._geometryCount,s.maxInstanceCount=this._maxInstanceCount,s.maxVertexCount=this._maxVertexCount,s.maxIndexCount=this._maxIndexCount,s.geometryInitialized=this._geometryInitialized,s.matricesTexture=this._matricesTexture.toJSON(t),s.indirectTexture=this._indirectTexture.toJSON(t),null!==this._colorsTexture&&(s.colorsTexture=this._colorsTexture.toJSON(t)),null!==this.boundingSphere&&(s.boundingSphere=this.boundingSphere.toJSON()),null!==this.boundingBox&&(s.boundingBox=this.boundingBox.toJSON())),this.isScene)this.background&&(this.background.isColor?s.background=this.background.toJSON():this.background.isTexture&&(s.background=this.background.toJSON(t).uuid)),this.environment&&this.environment.isTexture&&!0!==this.environment.isRenderTargetTexture&&(s.environment=this.environment.toJSON(t).uuid);else if(this.isMesh||this.isLine||this.isPoints){s.geometry=r(t.geometries,this.geometry);const e=this.geometry.parameters;if(void 0!==e&&void 0!==e.shapes){const i=e.shapes;if(Array.isArray(i))for(let e=0,s=i.length;e<s;e++){const s=i[e];r(t.shapes,s)}else r(t.shapes,i)}}if(this.isSkinnedMesh&&(s.bindMode=this.bindMode,s.bindMatrix=this.bindMatrix.toArray(),void 0!==this.skeleton&&(r(t.skeletons,this.skeleton),s.skeleton=this.skeleton.uuid)),void 0!==this.material)if(Array.isArray(this.material)){const e=[];for(let i=0,s=this.material.length;i<s;i++)e.push(r(t.materials,this.material[i]));s.material=e}else s.material=r(t.materials,this.material);if(this.children.length>0){s.children=[];for(let e=0;e<this.children.length;e++)s.children.push(this.children[e].toJSON(t).object)}if(this.animations.length>0){s.animations=[];for(let e=0;e<this.animations.length;e++){const i=this.animations[e];s.animations.push(r(t.animations,i))}}if(e){const e=n(t.geometries),s=n(t.materials),r=n(t.textures),a=n(t.images),o=n(t.shapes),h=n(t.skeletons),l=n(t.animations),c=n(t.nodes);e.length>0&&(i.geometries=e),s.length>0&&(i.materials=s),r.length>0&&(i.textures=r),a.length>0&&(i.images=a),o.length>0&&(i.shapes=o),h.length>0&&(i.skeletons=h),l.length>0&&(i.animations=l),c.length>0&&(i.nodes=c)}return i.object=s,i;function n(t){const e=[];for(const i in t){const s=t[i];delete s.metadata,e.push(s)}return e}}clone(t){return(new this.constructor).copy(this,t)}copy(t,e=!0){if(this.name=t.name,this.up.copy(t.up),this.position.copy(t.position),this.rotation.order=t.rotation.order,this.quaternion.copy(t.quaternion),this.scale.copy(t.scale),this.pivot=null!==t.pivot?t.pivot.clone():null,this.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldAutoUpdate=t.matrixWorldAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.layers.mask=t.layers.mask,this.visible=t.visible,this.castShadow=t.castShadow,this.receiveShadow=t.receiveShadow,this.frustumCulled=t.frustumCulled,this.renderOrder=t.renderOrder,this.static=t.static,this.animations=t.animations.slice(),this.userData=JSON.parse(JSON.stringify(t.userData)),!0===e)for(let e=0;e<t.children.length;e++){const i=t.children[e];this.add(i.clone())}return this}}Ar.DEFAULT_UP=new Ts(0,1,0),Ar.DEFAULT_MATRIX_AUTO_UPDATE=!0,Ar.DEFAULT_MATRIX_WORLD_AUTO_UPDATE=!0;class Tr extends Ar{constructor(){super(),this.isGroup=!0,this.type="Group"}}const zr={type:"move"};class Cr{constructor(){this._targetRay=null,this._grip=null,this._hand=null}getHandSpace(){return null===this._hand&&(this._hand=new Tr,this._hand.matrixAutoUpdate=!1,this._hand.visible=!1,this._hand.joints={},this._hand.inputState={pinching:!1}),this._hand}getTargetRaySpace(){return null===this._targetRay&&(this._targetRay=new Tr,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1,this._targetRay.hasLinearVelocity=!1,this._targetRay.linearVelocity=new Ts,this._targetRay.hasAngularVelocity=!1,this._targetRay.angularVelocity=new Ts),this._targetRay}getGripSpace(){return null===this._grip&&(this._grip=new Tr,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1,this._grip.hasLinearVelocity=!1,this._grip.linearVelocity=new Ts,this._grip.hasAngularVelocity=!1,this._grip.angularVelocity=new Ts,this._grip.eventsEnabled=!1),this._grip}dispatchEvent(t){return null!==this._targetRay&&this._targetRay.dispatchEvent(t),null!==this._grip&&this._grip.dispatchEvent(t),null!==this._hand&&this._hand.dispatchEvent(t),this}connect(t){if(t&&t.hand){const e=this._hand;if(e)for(const i of t.hand.values())this._getHandJoint(e,i)}return this.dispatchEvent({type:"connected",data:t}),this}disconnect(t){return this.dispatchEvent({type:"disconnected",data:t}),null!==this._targetRay&&(this._targetRay.visible=!1),null!==this._grip&&(this._grip.visible=!1),null!==this._hand&&(this._hand.visible=!1),this}update(t,e,i){let s=null,r=null,n=null;const a=this._targetRay,o=this._grip,h=this._hand;if(t&&"visible-blurred"!==e.session.visibilityState){if(h&&t.hand){n=!0;for(const s of t.hand.values()){const t=e.getJointPose(s,i),r=this._getHandJoint(h,s);null!==t&&(r.matrix.fromArray(t.transform.matrix),r.matrix.decompose(r.position,r.rotation,r.scale),r.matrixWorldNeedsUpdate=!0,r.jointRadius=t.radius),r.visible=null!==t}const s=h.joints["index-finger-tip"],r=h.joints["thumb-tip"],a=s.position.distanceTo(r.position),o=.02,l=.005;h.inputState.pinching&&a>o+l?(h.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:t.handedness,target:this})):!h.inputState.pinching&&a<=o-l&&(h.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:t.handedness,target:this}))}else null!==o&&t.gripSpace&&(r=e.getPose(t.gripSpace,i),null!==r&&(o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),o.matrixWorldNeedsUpdate=!0,r.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(r.linearVelocity)):o.hasLinearVelocity=!1,r.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(r.angularVelocity)):o.hasAngularVelocity=!1,o.eventsEnabled&&o.dispatchEvent({type:"gripUpdated",data:t,target:this})));null!==a&&(s=e.getPose(t.targetRaySpace,i),null===s&&null!==r&&(s=r),null!==s&&(a.matrix.fromArray(s.transform.matrix),a.matrix.decompose(a.position,a.rotation,a.scale),a.matrixWorldNeedsUpdate=!0,s.linearVelocity?(a.hasLinearVelocity=!0,a.linearVelocity.copy(s.linearVelocity)):a.hasLinearVelocity=!1,s.angularVelocity?(a.hasAngularVelocity=!0,a.angularVelocity.copy(s.angularVelocity)):a.hasAngularVelocity=!1,this.dispatchEvent(zr)))}return null!==a&&(a.visible=null!==s),null!==o&&(o.visible=null!==r),null!==h&&(h.visible=null!==n),this}_getHandJoint(t,e){if(void 0===t.joints[e.jointName]){const i=new Tr;i.matrixAutoUpdate=!1,i.visible=!1,t.joints[e.jointName]=i,t.add(i)}return t.joints[e.jointName]}}const Ir={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},Br={h:0,s:0,l:0},kr={h:0,s:0,l:0};function Or(t,e,i){return i<0&&(i+=1),i>1&&(i-=1),i<1/6?t+6*(e-t)*i:i<.5?e:i<2/3?t+6*(e-t)*(2/3-i):t}class Pr{constructor(t,e,i){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(t,e,i)}set(t,e,i){if(void 0===e&&void 0===i){const e=t;e&&e.isColor?this.copy(e):"number"==typeof e?this.setHex(e):"string"==typeof e&&this.setStyle(e)}else this.setRGB(t,e,i);return this}setScalar(t){return this.r=t,this.g=t,this.b=t,this}setHex(t,e=ei){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,Rs.colorSpaceToWorking(this,e),this}setRGB(t,e,i,s=Rs.workingColorSpace){return this.r=t,this.g=e,this.b=i,Rs.colorSpaceToWorking(this,s),this}setHSL(t,e,i,s=Rs.workingColorSpace){if(t=bs(t,1),e=xs(e,0,1),i=xs(i,0,1),0===e)this.r=this.g=this.b=i;else{const s=i<=.5?i*(1+e):i+e-i*e,r=2*i-s;this.r=Or(r,s,t+1/3),this.g=Or(r,s,t),this.b=Or(r,s,t-1/3)}return Rs.colorSpaceToWorking(this,s),this}setStyle(t,e=ei){function i(e){void 0!==e&&parseFloat(e)<1&&as("Color: Alpha component of "+t+" will be ignored.")}let s;if(s=/^(\w+)\(([^\)]*)\)/.exec(t)){let r;const n=s[1],a=s[2];switch(n){case"rgb":case"rgba":if(r=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return i(r[4]),this.setRGB(Math.min(255,parseInt(r[1],10))/255,Math.min(255,parseInt(r[2],10))/255,Math.min(255,parseInt(r[3],10))/255,e);if(r=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return i(r[4]),this.setRGB(Math.min(100,parseInt(r[1],10))/100,Math.min(100,parseInt(r[2],10))/100,Math.min(100,parseInt(r[3],10))/100,e);break;case"hsl":case"hsla":if(r=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return i(r[4]),this.setHSL(parseFloat(r[1])/360,parseFloat(r[2])/100,parseFloat(r[3])/100,e);break;default:as("Color: Unknown color model "+t)}}else if(s=/^\#([A-Fa-f\d]+)$/.exec(t)){const i=s[1],r=i.length;if(3===r)return this.setRGB(parseInt(i.charAt(0),16)/15,parseInt(i.charAt(1),16)/15,parseInt(i.charAt(2),16)/15,e);if(6===r)return this.setHex(parseInt(i,16),e);as("Color: Invalid hex color "+t)}else if(t&&t.length>0)return this.setColorName(t,e);return this}setColorName(t,e=ei){const i=Ir[t.toLowerCase()];return void 0!==i?this.setHex(i,e):as("Color: Unknown color "+t),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(t){return this.r=t.r,this.g=t.g,this.b=t.b,this}copySRGBToLinear(t){return this.r=Es(t.r),this.g=Es(t.g),this.b=Es(t.b),this}copyLinearToSRGB(t){return this.r=Ns(t.r),this.g=Ns(t.g),this.b=Ns(t.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(t=ei){return Rs.workingToColorSpace(Rr.copy(this),t),65536*Math.round(xs(255*Rr.r,0,255))+256*Math.round(xs(255*Rr.g,0,255))+Math.round(xs(255*Rr.b,0,255))}getHexString(t=ei){return("000000"+this.getHex(t).toString(16)).slice(-6)}getHSL(t,e=Rs.workingColorSpace){Rs.workingToColorSpace(Rr.copy(this),e);const i=Rr.r,s=Rr.g,r=Rr.b,n=Math.max(i,s,r),a=Math.min(i,s,r);let o,h;const l=(a+n)/2;if(a===n)o=0,h=0;else{const t=n-a;switch(h=l<=.5?t/(n+a):t/(2-n-a),n){case i:o=(s-r)/t+(s<r?6:0);break;case s:o=(r-i)/t+2;break;case r:o=(i-s)/t+4}o/=6}return t.h=o,t.s=h,t.l=l,t}getRGB(t,e=Rs.workingColorSpace){return Rs.workingToColorSpace(Rr.copy(this),e),t.r=Rr.r,t.g=Rr.g,t.b=Rr.b,t}getStyle(t=ei){Rs.workingToColorSpace(Rr.copy(this),t);const e=Rr.r,i=Rr.g,s=Rr.b;return t!==ei?`color(${t} ${e.toFixed(3)} ${i.toFixed(3)} ${s.toFixed(3)})`:`rgb(${Math.round(255*e)},${Math.round(255*i)},${Math.round(255*s)})`}offsetHSL(t,e,i){return this.getHSL(Br),this.setHSL(Br.h+t,Br.s+e,Br.l+i)}add(t){return this.r+=t.r,this.g+=t.g,this.b+=t.b,this}addColors(t,e){return this.r=t.r+e.r,this.g=t.g+e.g,this.b=t.b+e.b,this}addScalar(t){return this.r+=t,this.g+=t,this.b+=t,this}sub(t){return this.r=Math.max(0,this.r-t.r),this.g=Math.max(0,this.g-t.g),this.b=Math.max(0,this.b-t.b),this}multiply(t){return this.r*=t.r,this.g*=t.g,this.b*=t.b,this}multiplyScalar(t){return this.r*=t,this.g*=t,this.b*=t,this}lerp(t,e){return this.r+=(t.r-this.r)*e,this.g+=(t.g-this.g)*e,this.b+=(t.b-this.b)*e,this}lerpColors(t,e,i){return this.r=t.r+(e.r-t.r)*i,this.g=t.g+(e.g-t.g)*i,this.b=t.b+(e.b-t.b)*i,this}lerpHSL(t,e){this.getHSL(Br),t.getHSL(kr);const i=vs(Br.h,kr.h,e),s=vs(Br.s,kr.s,e),r=vs(Br.l,kr.l,e);return this.setHSL(i,s,r),this}setFromVector3(t){return this.r=t.x,this.g=t.y,this.b=t.z,this}applyMatrix3(t){const e=this.r,i=this.g,s=this.b,r=t.elements;return this.r=r[0]*e+r[3]*i+r[6]*s,this.g=r[1]*e+r[4]*i+r[7]*s,this.b=r[2]*e+r[5]*i+r[8]*s,this}equals(t){return t.r===this.r&&t.g===this.g&&t.b===this.b}fromArray(t,e=0){return this.r=t[e],this.g=t[e+1],this.b=t[e+2],this}toArray(t=[],e=0){return t[e]=this.r,t[e+1]=this.g,t[e+2]=this.b,t}fromBufferAttribute(t,e){return this.r=t.getX(e),this.g=t.getY(e),this.b=t.getZ(e),this}toJSON(){return this.getHex()}*[Symbol.iterator](){yield this.r,yield this.g,yield this.b}}const Rr=new Pr;Pr.NAMES=Ir;class Er{constructor(t,e=25e-5){this.isFogExp2=!0,this.name="",this.color=new Pr(t),this.density=e}clone(){return new Er(this.color,this.density)}toJSON(){return{type:"FogExp2",name:this.name,color:this.color.getHex(),density:this.density}}}class Nr{constructor(t,e=1,i=1e3){this.isFog=!0,this.name="",this.color=new Pr(t),this.near=e,this.far=i}clone(){return new Nr(this.color,this.near,this.far)}toJSON(){return{type:"Fog",name:this.name,color:this.color.getHex(),near:this.near,far:this.far}}}class Vr extends Ar{constructor(){super(),this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.backgroundIntensity=1,this.backgroundRotation=new hr,this.environmentIntensity=1,this.environmentRotation=new hr,this.overrideMaterial=null,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(t,e){return super.copy(t,e),null!==t.background&&(this.background=t.background.clone()),null!==t.environment&&(this.environment=t.environment.clone()),null!==t.fog&&(this.fog=t.fog.clone()),this.backgroundBlurriness=t.backgroundBlurriness,this.backgroundIntensity=t.backgroundIntensity,this.backgroundRotation.copy(t.backgroundRotation),this.environmentIntensity=t.environmentIntensity,this.environmentRotation.copy(t.environmentRotation),null!==t.overrideMaterial&&(this.overrideMaterial=t.overrideMaterial.clone()),this.matrixAutoUpdate=t.matrixAutoUpdate,this}toJSON(t){const e=super.toJSON(t);return null!==this.fog&&(e.object.fog=this.fog.toJSON()),this.backgroundBlurriness>0&&(e.object.backgroundBlurriness=this.backgroundBlurriness),1!==this.backgroundIntensity&&(e.object.backgroundIntensity=this.backgroundIntensity),e.object.backgroundRotation=this.backgroundRotation.toArray(),1!==this.environmentIntensity&&(e.object.environmentIntensity=this.environmentIntensity),e.object.environmentRotation=this.environmentRotation.toArray(),e}}const Fr=new Ts,Lr=new Ts,Dr=new Ts,jr=new Ts,Ur=new Ts,Wr=new Ts,Jr=new Ts,qr=new Ts,Hr=new Ts,Xr=new Ts,Yr=new qs,Zr=new qs,Gr=new qs;class $r{constructor(t=new Ts,e=new Ts,i=new Ts){this.a=t,this.b=e,this.c=i}static getNormal(t,e,i,s){s.subVectors(i,e),Fr.subVectors(t,e),s.cross(Fr);const r=s.lengthSq();return r>0?s.multiplyScalar(1/Math.sqrt(r)):s.set(0,0,0)}static getBarycoord(t,e,i,s,r){Fr.subVectors(s,e),Lr.subVectors(i,e),Dr.subVectors(t,e);const n=Fr.dot(Fr),a=Fr.dot(Lr),o=Fr.dot(Dr),h=Lr.dot(Lr),l=Lr.dot(Dr),c=n*h-a*a;if(0===c)return r.set(0,0,0),null;const u=1/c,d=(h*o-a*l)*u,p=(n*l-a*o)*u;return r.set(1-d-p,p,d)}static containsPoint(t,e,i,s){return null!==this.getBarycoord(t,e,i,s,jr)&&(jr.x>=0&&jr.y>=0&&jr.x+jr.y<=1)}static getInterpolation(t,e,i,s,r,n,a,o){return null===this.getBarycoord(t,e,i,s,jr)?(o.x=0,o.y=0,"z"in o&&(o.z=0),"w"in o&&(o.w=0),null):(o.setScalar(0),o.addScaledVector(r,jr.x),o.addScaledVector(n,jr.y),o.addScaledVector(a,jr.z),o)}static getInterpolatedAttribute(t,e,i,s,r,n){return Yr.setScalar(0),Zr.setScalar(0),Gr.setScalar(0),Yr.fromBufferAttribute(t,e),Zr.fromBufferAttribute(t,i),Gr.fromBufferAttribute(t,s),n.setScalar(0),n.addScaledVector(Yr,r.x),n.addScaledVector(Zr,r.y),n.addScaledVector(Gr,r.z),n}static isFrontFacing(t,e,i,s){return Fr.subVectors(i,e),Lr.subVectors(t,e),Fr.cross(Lr).dot(s)<0}set(t,e,i){return this.a.copy(t),this.b.copy(e),this.c.copy(i),this}setFromPointsAndIndices(t,e,i,s){return this.a.copy(t[e]),this.b.copy(t[i]),this.c.copy(t[s]),this}setFromAttributeAndIndices(t,e,i,s){return this.a.fromBufferAttribute(t,e),this.b.fromBufferAttribute(t,i),this.c.fromBufferAttribute(t,s),this}clone(){return(new this.constructor).copy(this)}copy(t){return this.a.copy(t.a),this.b.copy(t.b),this.c.copy(t.c),this}getArea(){return Fr.subVectors(this.c,this.b),Lr.subVectors(this.a,this.b),.5*Fr.cross(Lr).length()}getMidpoint(t){return t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return $r.getNormal(this.a,this.b,this.c,t)}getPlane(t){return t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return $r.getBarycoord(t,this.a,this.b,this.c,e)}getInterpolation(t,e,i,s,r){return $r.getInterpolation(t,this.a,this.b,this.c,e,i,s,r)}containsPoint(t){return $r.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return $r.isFrontFacing(this.a,this.b,this.c,t)}intersectsBox(t){return t.intersectsTriangle(this)}closestPointToPoint(t,e){const i=this.a,s=this.b,r=this.c;let n,a;Ur.subVectors(s,i),Wr.subVectors(r,i),qr.subVectors(t,i);const o=Ur.dot(qr),h=Wr.dot(qr);if(o<=0&&h<=0)return e.copy(i);Hr.subVectors(t,s);const l=Ur.dot(Hr),c=Wr.dot(Hr);if(l>=0&&c<=l)return e.copy(s);const u=o*c-l*h;if(u<=0&&o>=0&&l<=0)return n=o/(o-l),e.copy(i).addScaledVector(Ur,n);Xr.subVectors(t,r);const d=Ur.dot(Xr),p=Wr.dot(Xr);if(p>=0&&d<=p)return e.copy(r);const m=d*h-o*p;if(m<=0&&h>=0&&p<=0)return a=h/(h-p),e.copy(i).addScaledVector(Wr,a);const y=l*p-d*c;if(y<=0&&c-l>=0&&d-p>=0)return Jr.subVectors(r,s),a=(c-l)/(c-l+(d-p)),e.copy(s).addScaledVector(Jr,a);const g=1/(y+m+u);return n=m*g,a=u*g,e.copy(i).addScaledVector(Ur,n).addScaledVector(Wr,a)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}}class Qr{constructor(t=new Ts(1/0,1/0,1/0),e=new Ts(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromArray(t){this.makeEmpty();for(let e=0,i=t.length;e<i;e+=3)this.expandByPoint(tn.fromArray(t,e));return this}setFromBufferAttribute(t){this.makeEmpty();for(let e=0,i=t.count;e<i;e++)this.expandByPoint(tn.fromBufferAttribute(t,e));return this}setFromPoints(t){this.makeEmpty();for(let e=0,i=t.length;e<i;e++)this.expandByPoint(t[e]);return this}setFromCenterAndSize(t,e){const i=tn.copy(e).multiplyScalar(.5);return this.min.copy(t).sub(i),this.max.copy(t).add(i),this}setFromObject(t,e=!1){return this.makeEmpty(),this.expandByObject(t,e)}clone(){return(new this.constructor).copy(this)}copy(t){return this.min.copy(t.min),this.max.copy(t.max),this}makeEmpty(){return this.min.x=this.min.y=this.min.z=1/0,this.max.x=this.max.y=this.max.z=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}getCenter(t){return this.isEmpty()?t.set(0,0,0):t.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(t){return this.isEmpty()?t.set(0,0,0):t.subVectors(this.max,this.min)}expandByPoint(t){return this.min.min(t),this.max.max(t),this}expandByVector(t){return this.min.sub(t),this.max.add(t),this}expandByScalar(t){return this.min.addScalar(-t),this.max.addScalar(t),this}expandByObject(t,e=!1){t.updateWorldMatrix(!1,!1);const i=t.geometry;if(void 0!==i){const s=i.getAttribute("position");if(!0===e&&void 0!==s&&!0!==t.isInstancedMesh)for(let e=0,i=s.count;e<i;e++)!0===t.isMesh?t.getVertexPosition(e,tn):tn.fromBufferAttribute(s,e),tn.applyMatrix4(t.matrixWorld),this.expandByPoint(tn);else void 0!==t.boundingBox?(null===t.boundingBox&&t.computeBoundingBox(),en.copy(t.boundingBox)):(null===i.boundingBox&&i.computeBoundingBox(),en.copy(i.boundingBox)),en.applyMatrix4(t.matrixWorld),this.union(en)}const s=t.children;for(let t=0,i=s.length;t<i;t++)this.expandByObject(s[t],e);return this}containsPoint(t){return t.x>=this.min.x&&t.x<=this.max.x&&t.y>=this.min.y&&t.y<=this.max.y&&t.z>=this.min.z&&t.z<=this.max.z}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(t){return t.max.x>=this.min.x&&t.min.x<=this.max.x&&t.max.y>=this.min.y&&t.min.y<=this.max.y&&t.max.z>=this.min.z&&t.min.z<=this.max.z}intersectsSphere(t){return this.clampPoint(t.center,tn),tn.distanceToSquared(t.center)<=t.radius*t.radius}intersectsPlane(t){let e,i;return t.normal.x>0?(e=t.normal.x*this.min.x,i=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,i=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,i+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,i+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,i+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,i+=t.normal.z*this.min.z),e<=-t.constant&&i>=-t.constant}intersectsTriangle(t){if(this.isEmpty())return!1;this.getCenter(ln),cn.subVectors(this.max,ln),sn.subVectors(t.a,ln),rn.subVectors(t.b,ln),nn.subVectors(t.c,ln),an.subVectors(rn,sn),on.subVectors(nn,rn),hn.subVectors(sn,nn);let e=[0,-an.z,an.y,0,-on.z,on.y,0,-hn.z,hn.y,an.z,0,-an.x,on.z,0,-on.x,hn.z,0,-hn.x,-an.y,an.x,0,-on.y,on.x,0,-hn.y,hn.x,0];return!!pn(e,sn,rn,nn,cn)&&(e=[1,0,0,0,1,0,0,0,1],!!pn(e,sn,rn,nn,cn)&&(un.crossVectors(an,on),e=[un.x,un.y,un.z],pn(e,sn,rn,nn,cn)))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,tn).distanceTo(t)}getBoundingSphere(t){return this.isEmpty()?t.makeEmpty():(this.getCenter(t.center),t.radius=.5*this.getSize(tn).length()),t}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}applyMatrix4(t){return this.isEmpty()||(Kr[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),Kr[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),Kr[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),Kr[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),Kr[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),Kr[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),Kr[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),Kr[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(Kr)),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}toJSON(){return{min:this.min.toArray(),max:this.max.toArray()}}fromJSON(t){return this.min.fromArray(t.min),this.max.fromArray(t.max),this}}const Kr=[new Ts,new Ts,new Ts,new Ts,new Ts,new Ts,new Ts,new Ts],tn=new Ts,en=new Qr,sn=new Ts,rn=new Ts,nn=new Ts,an=new Ts,on=new Ts,hn=new Ts,ln=new Ts,cn=new Ts,un=new Ts,dn=new Ts;function pn(t,e,i,s,r){for(let n=0,a=t.length-3;n<=a;n+=3){dn.fromArray(t,n);const a=r.x*Math.abs(dn.x)+r.y*Math.abs(dn.y)+r.z*Math.abs(dn.z),o=e.dot(dn),h=i.dot(dn),l=s.dot(dn);if(Math.max(-Math.max(o,h,l),Math.min(o,h,l))>a)return!1}return!0}const mn=yn();function yn(){const t=new ArrayBuffer(4),e=new Float32Array(t),i=new Uint32Array(t),s=new Uint32Array(512),r=new Uint32Array(512);for(let t=0;t<256;++t){const e=t-127;e<-27?(s[t]=0,s[256|t]=32768,r[t]=24,r[256|t]=24):e<-14?(s[t]=1024>>-e-14,s[256|t]=1024>>-e-14|32768,r[t]=-e-1,r[256|t]=-e-1):e<=15?(s[t]=e+15<<10,s[256|t]=e+15<<10|32768,r[t]=13,r[256|t]=13):e<128?(s[t]=31744,s[256|t]=64512,r[t]=24,r[256|t]=24):(s[t]=31744,s[256|t]=64512,r[t]=13,r[256|t]=13)}const n=new Uint32Array(2048),a=new Uint32Array(64),o=new Uint32Array(64);for(let t=1;t<1024;++t){let e=t<<13,i=0;for(;!(8388608&e);)e<<=1,i-=8388608;e&=-8388609,i+=947912704,n[t]=e|i}for(let t=1024;t<2048;++t)n[t]=939524096+(t-1024<<13);for(let t=1;t<31;++t)a[t]=t<<23;a[31]=1199570944,a[32]=2147483648;for(let t=33;t<63;++t)a[t]=2147483648+(t-32<<23);a[63]=3347054592;for(let t=1;t<64;++t)32!==t&&(o[t]=1024);return{floatView:e,uint32View:i,baseTable:s,shiftTable:r,mantissaTable:n,exponentTable:a,offsetTable:o}}function gn(t){Math.abs(t)>65504&&as("DataUtils.toHalfFloat(): Value out of range."),t=xs(t,-65504,65504),mn.floatView[0]=t;const e=mn.uint32View[0],i=e>>23&511;return mn.baseTable[i]+((8388607&e)>>mn.shiftTable[i])}function fn(t){const e=t>>10;return mn.uint32View[0]=mn.mantissaTable[mn.offsetTable[e]+(1023&t)]+mn.exponentTable[e],mn.floatView[0]}class xn{static toHalfFloat(t){return gn(t)}static fromHalfFloat(t){return fn(t)}}const bn=new Ts,vn=new _s;let wn=0;class Mn extends ds{constructor(t,e,i=!1){if(super(),Array.isArray(t))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,Object.defineProperty(this,"id",{value:wn++}),this.name="",this.array=t,this.itemSize=e,this.count=void 0!==t?t.length/e:0,this.normalized=i,this.usage=Oi,this.updateRanges=[],this.gpuType=Pt,this.version=0}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.name=t.name,this.array=new t.array.constructor(t.array),this.itemSize=t.itemSize,this.count=t.count,this.normalized=t.normalized,this.usage=t.usage,this.gpuType=t.gpuType,this}copyAt(t,e,i){t*=this.itemSize,i*=e.itemSize;for(let s=0,r=this.itemSize;s<r;s++)this.array[t+s]=e.array[i+s];return this}copyArray(t){return this.array.set(t),this}applyMatrix3(t){if(2===this.itemSize)for(let e=0,i=this.count;e<i;e++)vn.fromBufferAttribute(this,e),vn.applyMatrix3(t),this.setXY(e,vn.x,vn.y);else if(3===this.itemSize)for(let e=0,i=this.count;e<i;e++)bn.fromBufferAttribute(this,e),bn.applyMatrix3(t),this.setXYZ(e,bn.x,bn.y,bn.z);return this}applyMatrix4(t){for(let e=0,i=this.count;e<i;e++)bn.fromBufferAttribute(this,e),bn.applyMatrix4(t),this.setXYZ(e,bn.x,bn.y,bn.z);return this}applyNormalMatrix(t){for(let e=0,i=this.count;e<i;e++)bn.fromBufferAttribute(this,e),bn.applyNormalMatrix(t),this.setXYZ(e,bn.x,bn.y,bn.z);return this}transformDirection(t){for(let e=0,i=this.count;e<i;e++)bn.fromBufferAttribute(this,e),bn.transformDirection(t),this.setXYZ(e,bn.x,bn.y,bn.z);return this}set(t,e=0){return this.array.set(t,e),this}getComponent(t,e){let i=this.array[t*this.itemSize+e];return this.normalized&&(i=ws(i,this.array)),i}setComponent(t,e,i){return this.normalized&&(i=Ms(i,this.array)),this.array[t*this.itemSize+e]=i,this}getX(t){let e=this.array[t*this.itemSize];return this.normalized&&(e=ws(e,this.array)),e}setX(t,e){return this.normalized&&(e=Ms(e,this.array)),this.array[t*this.itemSize]=e,this}getY(t){let e=this.array[t*this.itemSize+1];return this.normalized&&(e=ws(e,this.array)),e}setY(t,e){return this.normalized&&(e=Ms(e,this.array)),this.array[t*this.itemSize+1]=e,this}getZ(t){let e=this.array[t*this.itemSize+2];return this.normalized&&(e=ws(e,this.array)),e}setZ(t,e){return this.normalized&&(e=Ms(e,this.array)),this.array[t*this.itemSize+2]=e,this}getW(t){let e=this.array[t*this.itemSize+3];return this.normalized&&(e=ws(e,this.array)),e}setW(t,e){return this.normalized&&(e=Ms(e,this.array)),this.array[t*this.itemSize+3]=e,this}setXY(t,e,i){return t*=this.itemSize,this.normalized&&(e=Ms(e,this.array),i=Ms(i,this.array)),this.array[t+0]=e,this.array[t+1]=i,this}setXYZ(t,e,i,s){return t*=this.itemSize,this.normalized&&(e=Ms(e,this.array),i=Ms(i,this.array),s=Ms(s,this.array)),this.array[t+0]=e,this.array[t+1]=i,this.array[t+2]=s,this}setXYZW(t,e,i,s,r){return t*=this.itemSize,this.normalized&&(e=Ms(e,this.array),i=Ms(i,this.array),s=Ms(s,this.array),r=Ms(r,this.array)),this.array[t+0]=e,this.array[t+1]=i,this.array[t+2]=s,this.array[t+3]=r,this}onUpload(t){return this.onUploadCallback=t,this}clone(){return new this.constructor(this.array,this.itemSize).copy(this)}toJSON(){const t={itemSize:this.itemSize,type:this.array.constructor.name,array:Array.from(this.array),normalized:this.normalized};return""!==this.name&&(t.name=this.name),this.usage!==Oi&&(t.usage=this.usage),t}dispose(){this.dispatchEvent({type:"dispose"})}}class Sn extends Mn{constructor(t,e,i){super(new Int8Array(t),e,i)}}class _n extends Mn{constructor(t,e,i){super(new Uint8Array(t),e,i)}}class An extends Mn{constructor(t,e,i){super(new Uint8ClampedArray(t),e,i)}}class Tn extends Mn{constructor(t,e,i){super(new Int16Array(t),e,i)}}class zn extends Mn{constructor(t,e,i){super(new Uint16Array(t),e,i)}}class Cn extends Mn{constructor(t,e,i){super(new Int32Array(t),e,i)}}class In extends Mn{constructor(t,e,i){super(new Uint32Array(t),e,i)}}class Bn extends Mn{constructor(t,e,i){super(new Uint16Array(t),e,i),this.isFloat16BufferAttribute=!0}getX(t){let e=fn(this.array[t*this.itemSize]);return this.normalized&&(e=ws(e,this.array)),e}setX(t,e){return this.normalized&&(e=Ms(e,this.array)),this.array[t*this.itemSize]=gn(e),this}getY(t){let e=fn(this.array[t*this.itemSize+1]);return this.normalized&&(e=ws(e,this.array)),e}setY(t,e){return this.normalized&&(e=Ms(e,this.array)),this.array[t*this.itemSize+1]=gn(e),this}getZ(t){let e=fn(this.array[t*this.itemSize+2]);return this.normalized&&(e=ws(e,this.array)),e}setZ(t,e){return this.normalized&&(e=Ms(e,this.array)),this.array[t*this.itemSize+2]=gn(e),this}getW(t){let e=fn(this.array[t*this.itemSize+3]);return this.normalized&&(e=ws(e,this.array)),e}setW(t,e){return this.normalized&&(e=Ms(e,this.array)),this.array[t*this.itemSize+3]=gn(e),this}setXY(t,e,i){return t*=this.itemSize,this.normalized&&(e=Ms(e,this.array),i=Ms(i,this.array)),this.array[t+0]=gn(e),this.array[t+1]=gn(i),this}setXYZ(t,e,i,s){return t*=this.itemSize,this.normalized&&(e=Ms(e,this.array),i=Ms(i,this.array),s=Ms(s,this.array)),this.array[t+0]=gn(e),this.array[t+1]=gn(i),this.array[t+2]=gn(s),this}setXYZW(t,e,i,s,r){return t*=this.itemSize,this.normalized&&(e=Ms(e,this.array),i=Ms(i,this.array),s=Ms(s,this.array),r=Ms(r,this.array)),this.array[t+0]=gn(e),this.array[t+1]=gn(i),this.array[t+2]=gn(s),this.array[t+3]=gn(r),this}}class kn extends Mn{constructor(t,e,i){super(new Float32Array(t),e,i)}}const On=new Qr,Pn=new Ts,Rn=new Ts;class En{constructor(t=new Ts,e=-1){this.isSphere=!0,this.center=t,this.radius=e}set(t,e){return this.center.copy(t),this.radius=e,this}setFromPoints(t,e){const i=this.center;void 0!==e?i.copy(e):On.setFromPoints(t).getCenter(i);let s=0;for(let e=0,r=t.length;e<r;e++)s=Math.max(s,i.distanceToSquared(t[e]));return this.radius=Math.sqrt(s),this}copy(t){return this.center.copy(t.center),this.radius=t.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(t){return t.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(t){return t.distanceTo(this.center)-this.radius}intersectsSphere(t){const e=this.radius+t.radius;return t.center.distanceToSquared(this.center)<=e*e}intersectsBox(t){return t.intersectsSphere(this)}intersectsPlane(t){return Math.abs(t.distanceToPoint(this.center))<=this.radius}clampPoint(t,e){const i=this.center.distanceToSquared(t);return e.copy(t),i>this.radius*this.radius&&(e.sub(this.center).normalize(),e.multiplyScalar(this.radius).add(this.center)),e}getBoundingBox(t){return this.isEmpty()?(t.makeEmpty(),t):(t.set(this.center,this.center),t.expandByScalar(this.radius),t)}applyMatrix4(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this}translate(t){return this.center.add(t),this}expandByPoint(t){if(this.isEmpty())return this.center.copy(t),this.radius=0,this;Pn.subVectors(t,this.center);const e=Pn.lengthSq();if(e>this.radius*this.radius){const t=Math.sqrt(e),i=.5*(t-this.radius);this.center.addScaledVector(Pn,i/t),this.radius+=i}return this}union(t){return t.isEmpty()?this:this.isEmpty()?(this.copy(t),this):(!0===this.center.equals(t.center)?this.radius=Math.max(this.radius,t.radius):(Rn.subVectors(t.center,this.center).setLength(t.radius),this.expandByPoint(Pn.copy(t.center).add(Rn)),this.expandByPoint(Pn.copy(t.center).sub(Rn))),this)}equals(t){return t.center.equals(this.center)&&t.radius===this.radius}clone(){return(new this.constructor).copy(this)}toJSON(){return{radius:this.radius,center:this.center.toArray()}}fromJSON(t){return this.radius=t.radius,this.center.fromArray(t.center),this}}let Nn=0;const Vn=new Qs,Fn=new Ar,Ln=new Ts,Dn=new Qr,jn=new Qr,Un=new Ts;class Wn extends ds{constructor(){super(),this.isBufferGeometry=!0,Object.defineProperty(this,"id",{value:Nn++}),this.uuid=fs(),this.name="",this.type="BufferGeometry",this.index=null,this.indirect=null,this.indirectOffset=0,this.attributes={},this.morphAttributes={},this.morphTargetsRelative=!1,this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={},this._transformed=!1}getIndex(){return this.index}setIndex(t){return Array.isArray(t)?this.index=new(function(t){for(let e=t.length-1;e>=0;--e)if(t[e]>=65535)return!0;return!1}(t)?In:zn)(t,1):this.index=t,this}setIndirect(t,e=0){return this.indirect=t,this.indirectOffset=e,this}getIndirect(){return this.indirect}getAttribute(t){return this.attributes[t]}setAttribute(t,e){return this.attributes[t]=e,this}deleteAttribute(t){return delete this.attributes[t],this}hasAttribute(t){return void 0!==this.attributes[t]}addGroup(t,e,i=0){this.groups.push({start:t,count:e,materialIndex:i})}clearGroups(){this.groups=[]}setDrawRange(t,e){this.drawRange.start=t,this.drawRange.count=e}applyMatrix4(t){const e=this.attributes.position;void 0!==e&&(e.applyMatrix4(t),e.needsUpdate=!0);const i=this.attributes.normal;if(void 0!==i){const e=(new Is).getNormalMatrix(t);i.applyNormalMatrix(e),i.needsUpdate=!0}const s=this.attributes.tangent;return void 0!==s&&(s.transformDirection(t),s.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this._transformed=!0,this}applyQuaternion(t){return Vn.makeRotationFromQuaternion(t),this.applyMatrix4(Vn),this}rotateX(t){return Vn.makeRotationX(t),this.applyMatrix4(Vn),this}rotateY(t){return Vn.makeRotationY(t),this.applyMatrix4(Vn),this}rotateZ(t){return Vn.makeRotationZ(t),this.applyMatrix4(Vn),this}translate(t,e,i){return Vn.makeTranslation(t,e,i),this.applyMatrix4(Vn),this}scale(t,e,i){return Vn.makeScale(t,e,i),this.applyMatrix4(Vn),this}lookAt(t){return Fn.lookAt(t),Fn.updateMatrix(),this.applyMatrix4(Fn.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(Ln).negate(),this.translate(Ln.x,Ln.y,Ln.z),this}setFromPoints(t){const e=this.getAttribute("position");if(void 0===e){const e=[];for(let i=0,s=t.length;i<s;i++){const s=t[i];e.push(s.x,s.y,s.z||0)}this.setAttribute("position",new kn(e,3))}else{const i=Math.min(t.length,e.count);for(let s=0;s<i;s++){const i=t[s];e.setXYZ(s,i.x,i.y,i.z||0)}t.length>e.count&&as("BufferGeometry: Buffer size too small for points data. Use .dispose() and create a new geometry."),e.needsUpdate=!0}return this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new Qr);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return os("BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box.",this),void this.boundingBox.set(new Ts(-1/0,-1/0,-1/0),new Ts(1/0,1/0,1/0));if(void 0!==t){if(this.boundingBox.setFromBufferAttribute(t),e)for(let t=0,i=e.length;t<i;t++){const i=e[t];Dn.setFromBufferAttribute(i),this.morphTargetsRelative?(Un.addVectors(this.boundingBox.min,Dn.min),this.boundingBox.expandByPoint(Un),Un.addVectors(this.boundingBox.max,Dn.max),this.boundingBox.expandByPoint(Un)):(this.boundingBox.expandByPoint(Dn.min),this.boundingBox.expandByPoint(Dn.max))}}else this.boundingBox.makeEmpty();(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z))&&os('BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this)}computeBoundingSphere(){null===this.boundingSphere&&(this.boundingSphere=new En);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return os("BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere.",this),void this.boundingSphere.set(new Ts,1/0);if(t){const i=this.boundingSphere.center;if(Dn.setFromBufferAttribute(t),e)for(let t=0,i=e.length;t<i;t++){const i=e[t];jn.setFromBufferAttribute(i),this.morphTargetsRelative?(Un.addVectors(Dn.min,jn.min),Dn.expandByPoint(Un),Un.addVectors(Dn.max,jn.max),Dn.expandByPoint(Un)):(Dn.expandByPoint(jn.min),Dn.expandByPoint(jn.max))}Dn.getCenter(i);let s=0;for(let e=0,r=t.count;e<r;e++)Un.fromBufferAttribute(t,e),s=Math.max(s,i.distanceToSquared(Un));if(e)for(let r=0,n=e.length;r<n;r++){const n=e[r],a=this.morphTargetsRelative;for(let e=0,r=n.count;e<r;e++)Un.fromBufferAttribute(n,e),a&&(Ln.fromBufferAttribute(t,e),Un.add(Ln)),s=Math.max(s,i.distanceToSquared(Un))}this.boundingSphere.radius=Math.sqrt(s),isNaN(this.boundingSphere.radius)&&os('BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}}computeTangents(){const t=this.index,e=this.attributes;if(null===t||void 0===e.position||void 0===e.normal||void 0===e.uv)return void os("BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");const i=e.position,s=e.normal,r=e.uv;let n=this.getAttribute("tangent");void 0!==n&&n.count===i.count||(n=new Mn(new Float32Array(4*i.count),4),this.setAttribute("tangent",n));const a=[],o=[];for(let t=0;t<i.count;t++)a[t]=new Ts,o[t]=new Ts;const h=new Ts,l=new Ts,c=new Ts,u=new _s,d=new _s,p=new _s,m=new Ts,y=new Ts;function g(t,e,s){h.fromBufferAttribute(i,t),l.fromBufferAttribute(i,e),c.fromBufferAttribute(i,s),u.fromBufferAttribute(r,t),d.fromBufferAttribute(r,e),p.fromBufferAttribute(r,s),l.sub(h),c.sub(h),d.sub(u),p.sub(u);const n=1/(d.x*p.y-p.x*d.y);isFinite(n)&&(m.copy(l).multiplyScalar(p.y).addScaledVector(c,-d.y).multiplyScalar(n),y.copy(c).multiplyScalar(d.x).addScaledVector(l,-p.x).multiplyScalar(n),a[t].add(m),a[e].add(m),a[s].add(m),o[t].add(y),o[e].add(y),o[s].add(y))}let f=this.groups;0===f.length&&(f=[{start:0,count:t.count}]);for(let e=0,i=f.length;e<i;++e){const i=f[e],s=i.start;for(let e=s,r=s+i.count;e<r;e+=3)g(t.getX(e+0),t.getX(e+1),t.getX(e+2))}const x=new Ts,b=new Ts,v=new Ts,w=new Ts;function M(t){v.fromBufferAttribute(s,t),w.copy(v);const e=a[t];x.copy(e),x.sub(v.multiplyScalar(v.dot(e))).normalize(),b.crossVectors(w,e);const i=b.dot(o[t])<0?-1:1;n.setXYZW(t,x.x,x.y,x.z,i)}for(let e=0,i=f.length;e<i;++e){const i=f[e],s=i.start;for(let e=s,r=s+i.count;e<r;e+=3)M(t.getX(e+0)),M(t.getX(e+1)),M(t.getX(e+2))}this._transformed=!0}computeVertexNormals(){const t=this.index,e=this.getAttribute("position");if(void 0!==e){let i=this.getAttribute("normal");if(void 0===i||i.count!==e.count)i=new Mn(new Float32Array(3*e.count),3),this.setAttribute("normal",i);else for(let t=0,e=i.count;t<e;t++)i.setXYZ(t,0,0,0);const s=new Ts,r=new Ts,n=new Ts,a=new Ts,o=new Ts,h=new Ts,l=new Ts,c=new Ts;if(t)for(let u=0,d=t.count;u<d;u+=3){const d=t.getX(u+0),p=t.getX(u+1),m=t.getX(u+2);s.fromBufferAttribute(e,d),r.fromBufferAttribute(e,p),n.fromBufferAttribute(e,m),l.subVectors(n,r),c.subVectors(s,r),l.cross(c),a.fromBufferAttribute(i,d),o.fromBufferAttribute(i,p),h.fromBufferAttribute(i,m),a.add(l),o.add(l),h.add(l),i.setXYZ(d,a.x,a.y,a.z),i.setXYZ(p,o.x,o.y,o.z),i.setXYZ(m,h.x,h.y,h.z)}else for(let t=0,a=e.count;t<a;t+=3)s.fromBufferAttribute(e,t+0),r.fromBufferAttribute(e,t+1),n.fromBufferAttribute(e,t+2),l.subVectors(n,r),c.subVectors(s,r),l.cross(c),i.setXYZ(t+0,l.x,l.y,l.z),i.setXYZ(t+1,l.x,l.y,l.z),i.setXYZ(t+2,l.x,l.y,l.z);this.normalizeNormals(),i.needsUpdate=!0}}normalizeNormals(){const t=this.attributes.normal;for(let e=0,i=t.count;e<i;e++)Un.fromBufferAttribute(t,e),Un.normalize(),t.setXYZ(e,Un.x,Un.y,Un.z)}toNonIndexed(){function t(t,e){const i=t.array,s=t.itemSize,r=t.normalized,n=new i.constructor(e.length*s);let a=0,o=0;for(let r=0,h=e.length;r<h;r++){a=t.isInterleavedBufferAttribute?e[r]*t.data.stride+t.offset:e[r]*s;for(let t=0;t<s;t++)n[o++]=i[a++]}return new Mn(n,s,r)}if(null===this.index)return as("BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;const e=new Wn,i=this.index.array,s=this.attributes;for(const r in s){const n=t(s[r],i);e.setAttribute(r,n)}const r=this.morphAttributes;for(const s in r){const n=[],a=r[s];for(let e=0,s=a.length;e<s;e++){const s=t(a[e],i);n.push(s)}e.morphAttributes[s]=n}e.morphTargetsRelative=this.morphTargetsRelative;const n=this.groups;for(let t=0,i=n.length;t<i;t++){const i=n[t];e.addGroup(i.start,i.count,i.materialIndex)}return e}toJSON(){const t={metadata:{version:4.7,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(t.uuid=this.uuid,t.type=void 0!==this.parameters&&!0===this._transformed?"BufferGeometry":this.type,""!==this.name&&(t.name=this.name),Object.keys(this.userData).length>0&&(t.userData=this.userData),void 0!==this.parameters&&!0!==this._transformed){const e=this.parameters;for(const i in e)void 0!==e[i]&&(t[i]=e[i]);return t}t.data={attributes:{}};const e=this.index;null!==e&&(t.data.index={type:e.array.constructor.name,array:Array.prototype.slice.call(e.array)});const i=this.attributes;for(const e in i){const s=i[e];t.data.attributes[e]=s.toJSON(t.data)}const s={};let r=!1;for(const e in this.morphAttributes){const i=this.morphAttributes[e],n=[];for(let e=0,s=i.length;e<s;e++){const s=i[e];n.push(s.toJSON(t.data))}n.length>0&&(s[e]=n,r=!0)}r&&(t.data.morphAttributes=s,t.data.morphTargetsRelative=this.morphTargetsRelative);const n=this.groups;n.length>0&&(t.data.groups=JSON.parse(JSON.stringify(n)));const a=this.boundingSphere;return null!==a&&(t.data.boundingSphere=a.toJSON()),t}clone(){return(new this.constructor).copy(this)}copy(t){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const e={};this.name=t.name;const i=t.index;null!==i&&this.setIndex(i.clone());const s=t.attributes;for(const t in s){const i=s[t];this.setAttribute(t,i.clone(e))}const r=t.morphAttributes;for(const t in r){const i=[],s=r[t];for(let t=0,r=s.length;t<r;t++)i.push(s[t].clone(e));this.morphAttributes[t]=i}this.morphTargetsRelative=t.morphTargetsRelative;const n=t.groups;for(let t=0,e=n.length;t<e;t++){const e=n[t];this.addGroup(e.start,e.count,e.materialIndex)}const a=t.boundingBox;null!==a&&(this.boundingBox=a.clone());const o=t.boundingSphere;return null!==o&&(this.boundingSphere=o.clone()),this.drawRange.start=t.drawRange.start,this.drawRange.count=t.drawRange.count,this.userData=t.userData,this._transformed=t._transformed,this}dispose(){this.dispatchEvent({type:"dispose"})}}class Jn{constructor(t,e){this.isInterleavedBuffer=!0,this.array=t,this.stride=e,this.count=void 0!==t?t.length/e:0,this.usage=Oi,this.updateRanges=[],this.version=0,this.uuid=fs()}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.array=new t.array.constructor(t.array),this.count=t.count,this.stride=t.stride,this.usage=t.usage,this}copyAt(t,e,i){t*=this.stride,i*=e.stride;for(let s=0,r=this.stride;s<r;s++)this.array[t+s]=e.array[i+s];return this}set(t,e=0){return this.array.set(t,e),this}clone(t){void 0===t.arrayBuffers&&(t.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=fs()),void 0===t.arrayBuffers[this.array.buffer._uuid]&&(t.arrayBuffers[this.array.buffer._uuid]=this.array.slice(0).buffer);const e=new this.array.constructor(t.arrayBuffers[this.array.buffer._uuid]),i=new this.constructor(e,this.stride);return i.setUsage(this.usage),i}onUpload(t){return this.onUploadCallback=t,this}toJSON(t){return void 0===t.arrayBuffers&&(t.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=fs()),void 0===t.arrayBuffers[this.array.buffer._uuid]&&(t.arrayBuffers[this.array.buffer._uuid]=Array.from(new Uint32Array(this.array.buffer))),{uuid:this.uuid,buffer:this.array.buffer._uuid,type:this.array.constructor.name,stride:this.stride}}}const qn=new Ts;class Hn{constructor(t,e,i,s=!1){this.isInterleavedBufferAttribute=!0,this.name="",this.data=t,this.itemSize=e,this.offset=i,this.normalized=s}get count(){return this.data.count}get array(){return this.data.array}set needsUpdate(t){this.data.needsUpdate=t}applyMatrix4(t){for(let e=0,i=this.data.count;e<i;e++)qn.fromBufferAttribute(this,e),qn.applyMatrix4(t),this.setXYZ(e,qn.x,qn.y,qn.z);return this}applyNormalMatrix(t){for(let e=0,i=this.count;e<i;e++)qn.fromBufferAttribute(this,e),qn.applyNormalMatrix(t),this.setXYZ(e,qn.x,qn.y,qn.z);return this}transformDirection(t){for(let e=0,i=this.count;e<i;e++)qn.fromBufferAttribute(this,e),qn.transformDirection(t),this.setXYZ(e,qn.x,qn.y,qn.z);return this}getComponent(t,e){let i=this.array[t*this.data.stride+this.offset+e];return this.normalized&&(i=ws(i,this.array)),i}setComponent(t,e,i){return this.normalized&&(i=Ms(i,this.array)),this.data.array[t*this.data.stride+this.offset+e]=i,this}setX(t,e){return this.normalized&&(e=Ms(e,this.array)),this.data.array[t*this.data.stride+this.offset]=e,this}setY(t,e){return this.normalized&&(e=Ms(e,this.array)),this.data.array[t*this.data.stride+this.offset+1]=e,this}setZ(t,e){return this.normalized&&(e=Ms(e,this.array)),this.data.array[t*this.data.stride+this.offset+2]=e,this}setW(t,e){return this.normalized&&(e=Ms(e,this.array)),this.data.array[t*this.data.stride+this.offset+3]=e,this}getX(t){let e=this.data.array[t*this.data.stride+this.offset];return this.normalized&&(e=ws(e,this.array)),e}getY(t){let e=this.data.array[t*this.data.stride+this.offset+1];return this.normalized&&(e=ws(e,this.array)),e}getZ(t){let e=this.data.array[t*this.data.stride+this.offset+2];return this.normalized&&(e=ws(e,this.array)),e}getW(t){let e=this.data.array[t*this.data.stride+this.offset+3];return this.normalized&&(e=ws(e,this.array)),e}setXY(t,e,i){return t=t*this.data.stride+this.offset,this.normalized&&(e=Ms(e,this.array),i=Ms(i,this.array)),this.data.array[t+0]=e,this.data.array[t+1]=i,this}setXYZ(t,e,i,s){return t=t*this.data.stride+this.offset,this.normalized&&(e=Ms(e,this.array),i=Ms(i,this.array),s=Ms(s,this.array)),this.data.array[t+0]=e,this.data.array[t+1]=i,this.data.array[t+2]=s,this}setXYZW(t,e,i,s,r){return t=t*this.data.stride+this.offset,this.normalized&&(e=Ms(e,this.array),i=Ms(i,this.array),s=Ms(s,this.array),r=Ms(r,this.array)),this.data.array[t+0]=e,this.data.array[t+1]=i,this.data.array[t+2]=s,this.data.array[t+3]=r,this}clone(t){if(void 0===t){rs("InterleavedBufferAttribute.clone(): Cloning an interleaved buffer attribute will de-interleave buffer data.");const t=[];for(let e=0;e<this.count;e++){const i=e*this.data.stride+this.offset;for(let e=0;e<this.itemSize;e++)t.push(this.data.array[i+e])}return new Mn(new this.array.constructor(t),this.itemSize,this.normalized)}return void 0===t.interleavedBuffers&&(t.interleavedBuffers={}),void 0===t.interleavedBuffers[this.data.uuid]&&(t.interleavedBuffers[this.data.uuid]=this.data.clone(t)),new Hn(t.interleavedBuffers[this.data.uuid],this.itemSize,this.offset,this.normalized)}toJSON(t){if(void 0===t){rs("InterleavedBufferAttribute.toJSON(): Serializing an interleaved buffer attribute will de-interleave buffer data.");const t=[];for(let e=0;e<this.count;e++){const i=e*this.data.stride+this.offset;for(let e=0;e<this.itemSize;e++)t.push(this.data.array[i+e])}return{itemSize:this.itemSize,type:this.array.constructor.name,array:t,normalized:this.normalized}}return void 0===t.interleavedBuffers&&(t.interleavedBuffers={}),void 0===t.interleavedBuffers[this.data.uuid]&&(t.interleavedBuffers[this.data.uuid]=this.data.toJSON(t)),{isInterleavedBufferAttribute:!0,itemSize:this.itemSize,data:this.data.uuid,offset:this.offset,normalized:this.normalized}}}let Xn,Yn=0;class Zn extends ds{constructor(){super(),this.isMaterial=!0,Object.defineProperty(this,"id",{value:Yn++}),this.uuid=fs(),this.name="",this.type="Material",this.blending=1,this.side=0,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.alphaHash=!1,this.blendSrc=204,this.blendDst=205,this.blendEquation=100,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.blendColor=new Pr(0,0,0),this.blendAlpha=0,this.depthFunc=3,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=519,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=li,this.stencilZFail=li,this.stencilZPass=li,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaToCoverage=!1,this.premultipliedAlpha=!1,this.forceSinglePass=!1,this.allowOverride=!0,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0,this._alphaTest=0}get alphaTest(){return this._alphaTest}set alphaTest(t){this._alphaTest>0!=t>0&&this.version++,this._alphaTest=t}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(t){if(void 0!==t)for(const e in t){const i=t[e];if(void 0===i){as(`Material: parameter '${e}' has value of undefined.`);continue}const s=this[e];void 0!==s?s&&s.isColor?s.set(i):s&&s.isVector2&&i&&i.isVector2||s&&s.isEuler&&i&&i.isEuler||s&&s.isVector3&&i&&i.isVector3?s.copy(i):this[e]=i:as(`Material: '${e}' is not a property of THREE.${this.type}.`)}}toJSON(t){const e=void 0===t||"string"==typeof t;e&&(t={textures:{},images:{}});const i={metadata:{version:4.7,type:"Material",generator:"Material.toJSON"}};function s(t){const e=[];for(const i in t){const s=t[i];delete s.metadata,e.push(s)}return e}if(i.uuid=this.uuid,i.type=this.type,""!==this.name&&(i.name=this.name),this.color&&this.color.isColor&&(i.color=this.color.getHex()),void 0!==this.roughness&&(i.roughness=this.roughness),void 0!==this.metalness&&(i.metalness=this.metalness),void 0!==this.sheen&&(i.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(i.sheenColor=this.sheenColor.getHex()),void 0!==this.sheenRoughness&&(i.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(i.emissive=this.emissive.getHex()),void 0!==this.emissiveIntensity&&1!==this.emissiveIntensity&&(i.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(i.specular=this.specular.getHex()),void 0!==this.specularIntensity&&(i.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(i.specularColor=this.specularColor.getHex()),void 0!==this.shininess&&(i.shininess=this.shininess),void 0!==this.clearcoat&&(i.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(i.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(i.clearcoatMap=this.clearcoatMap.toJSON(t).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(i.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(t).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(i.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(t).uuid,i.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.sheenColorMap&&this.sheenColorMap.isTexture&&(i.sheenColorMap=this.sheenColorMap.toJSON(t).uuid),this.sheenRoughnessMap&&this.sheenRoughnessMap.isTexture&&(i.sheenRoughnessMap=this.sheenRoughnessMap.toJSON(t).uuid),void 0!==this.dispersion&&(i.dispersion=this.dispersion),void 0!==this.iridescence&&(i.iridescence=this.iridescence),void 0!==this.iridescenceIOR&&(i.iridescenceIOR=this.iridescenceIOR),void 0!==this.iridescenceThicknessRange&&(i.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(i.iridescenceMap=this.iridescenceMap.toJSON(t).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(i.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(t).uuid),void 0!==this.anisotropy&&(i.anisotropy=this.anisotropy),void 0!==this.anisotropyRotation&&(i.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(i.anisotropyMap=this.anisotropyMap.toJSON(t).uuid),this.map&&this.map.isTexture&&(i.map=this.map.toJSON(t).uuid),this.matcap&&this.matcap.isTexture&&(i.matcap=this.matcap.toJSON(t).uuid),this.alphaMap&&this.alphaMap.isTexture&&(i.alphaMap=this.alphaMap.toJSON(t).uuid),this.lightMap&&this.lightMap.isTexture&&(i.lightMap=this.lightMap.toJSON(t).uuid,i.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(i.aoMap=this.aoMap.toJSON(t).uuid,i.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(i.bumpMap=this.bumpMap.toJSON(t).uuid,i.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(i.normalMap=this.normalMap.toJSON(t).uuid,i.normalMapType=this.normalMapType,i.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(i.displacementMap=this.displacementMap.toJSON(t).uuid,i.displacementScale=this.displacementScale,i.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(i.roughnessMap=this.roughnessMap.toJSON(t).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(i.metalnessMap=this.metalnessMap.toJSON(t).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(i.emissiveMap=this.emissiveMap.toJSON(t).uuid),this.specularMap&&this.specularMap.isTexture&&(i.specularMap=this.specularMap.toJSON(t).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(i.specularIntensityMap=this.specularIntensityMap.toJSON(t).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(i.specularColorMap=this.specularColorMap.toJSON(t).uuid),this.envMap&&this.envMap.isTexture&&(i.envMap=this.envMap.toJSON(t).uuid,void 0!==this.combine&&(i.combine=this.combine)),void 0!==this.envMapRotation&&(i.envMapRotation=this.envMapRotation.toArray()),void 0!==this.envMapIntensity&&(i.envMapIntensity=this.envMapIntensity),void 0!==this.reflectivity&&(i.reflectivity=this.reflectivity),void 0!==this.refractionRatio&&(i.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(i.gradientMap=this.gradientMap.toJSON(t).uuid),void 0!==this.transmission&&(i.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(i.transmissionMap=this.transmissionMap.toJSON(t).uuid),void 0!==this.thickness&&(i.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(i.thicknessMap=this.thicknessMap.toJSON(t).uuid),void 0!==this.attenuationDistance&&this.attenuationDistance!==1/0&&(i.attenuationDistance=this.attenuationDistance),void 0!==this.attenuationColor&&(i.attenuationColor=this.attenuationColor.getHex()),void 0!==this.size&&(i.size=this.size),null!==this.shadowSide&&(i.shadowSide=this.shadowSide),void 0!==this.sizeAttenuation&&(i.sizeAttenuation=this.sizeAttenuation),1!==this.blending&&(i.blending=this.blending),0!==this.side&&(i.side=this.side),!0===this.vertexColors&&(i.vertexColors=!0),this.opacity<1&&(i.opacity=this.opacity),!0===this.transparent&&(i.transparent=!0),204!==this.blendSrc&&(i.blendSrc=this.blendSrc),205!==this.blendDst&&(i.blendDst=this.blendDst),100!==this.blendEquation&&(i.blendEquation=this.blendEquation),null!==this.blendSrcAlpha&&(i.blendSrcAlpha=this.blendSrcAlpha),null!==this.blendDstAlpha&&(i.blendDstAlpha=this.blendDstAlpha),null!==this.blendEquationAlpha&&(i.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(i.blendColor=this.blendColor.getHex()),0!==this.blendAlpha&&(i.blendAlpha=this.blendAlpha),3!==this.depthFunc&&(i.depthFunc=this.depthFunc),!1===this.depthTest&&(i.depthTest=this.depthTest),!1===this.depthWrite&&(i.depthWrite=this.depthWrite),!1===this.colorWrite&&(i.colorWrite=this.colorWrite),255!==this.stencilWriteMask&&(i.stencilWriteMask=this.stencilWriteMask),519!==this.stencilFunc&&(i.stencilFunc=this.stencilFunc),0!==this.stencilRef&&(i.stencilRef=this.stencilRef),255!==this.stencilFuncMask&&(i.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==li&&(i.stencilFail=this.stencilFail),this.stencilZFail!==li&&(i.stencilZFail=this.stencilZFail),this.stencilZPass!==li&&(i.stencilZPass=this.stencilZPass),!0===this.stencilWrite&&(i.stencilWrite=this.stencilWrite),void 0!==this.rotation&&0!==this.rotation&&(i.rotation=this.rotation),!0===this.polygonOffset&&(i.polygonOffset=!0),0!==this.polygonOffsetFactor&&(i.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(i.polygonOffsetUnits=this.polygonOffsetUnits),void 0!==this.linewidth&&1!==this.linewidth&&(i.linewidth=this.linewidth),void 0!==this.dashSize&&(i.dashSize=this.dashSize),void 0!==this.gapSize&&(i.gapSize=this.gapSize),void 0!==this.scale&&(i.scale=this.scale),!0===this.dithering&&(i.dithering=!0),this.alphaTest>0&&(i.alphaTest=this.alphaTest),!0===this.alphaHash&&(i.alphaHash=!0),!0===this.alphaToCoverage&&(i.alphaToCoverage=!0),!0===this.premultipliedAlpha&&(i.premultipliedAlpha=!0),!0===this.forceSinglePass&&(i.forceSinglePass=!0),!1===this.allowOverride&&(i.allowOverride=!1),!0===this.wireframe&&(i.wireframe=!0),this.wireframeLinewidth>1&&(i.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(i.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(i.wireframeLinejoin=this.wireframeLinejoin),!0===this.flatShading&&(i.flatShading=!0),!1===this.visible&&(i.visible=!1),!1===this.toneMapped&&(i.toneMapped=!1),!1===this.fog&&(i.fog=!1),Object.keys(this.userData).length>0&&(i.userData=this.userData),e){const e=s(t.textures),r=s(t.images);e.length>0&&(i.textures=e),r.length>0&&(i.images=r)}return i}fromJSON(t,e){if(void 0!==t.uuid&&(this.uuid=t.uuid),void 0!==t.name&&(this.name=t.name),void 0!==t.color&&void 0!==this.color&&this.color.setHex(t.color),void 0!==t.roughness&&(this.roughness=t.roughness),void 0!==t.metalness&&(this.metalness=t.metalness),void 0!==t.sheen&&(this.sheen=t.sheen),void 0!==t.sheenColor&&(this.sheenColor=(new Pr).setHex(t.sheenColor)),void 0!==t.sheenRoughness&&(this.sheenRoughness=t.sheenRoughness),void 0!==t.emissive&&void 0!==this.emissive&&this.emissive.setHex(t.emissive),void 0!==t.specular&&void 0!==this.specular&&this.specular.setHex(t.specular),void 0!==t.specularIntensity&&(this.specularIntensity=t.specularIntensity),void 0!==t.specularColor&&void 0!==this.specularColor&&this.specularColor.setHex(t.specularColor),void 0!==t.shininess&&(this.shininess=t.shininess),void 0!==t.clearcoat&&(this.clearcoat=t.clearcoat),void 0!==t.clearcoatRoughness&&(this.clearcoatRoughness=t.clearcoatRoughness),void 0!==t.dispersion&&(this.dispersion=t.dispersion),void 0!==t.iridescence&&(this.iridescence=t.iridescence),void 0!==t.iridescenceIOR&&(this.iridescenceIOR=t.iridescenceIOR),void 0!==t.iridescenceThicknessRange&&(this.iridescenceThicknessRange=t.iridescenceThicknessRange),void 0!==t.transmission&&(this.transmission=t.transmission),void 0!==t.thickness&&(this.thickness=t.thickness),void 0!==t.attenuationDistance&&(this.attenuationDistance=t.attenuationDistance),void 0!==t.attenuationColor&&void 0!==this.attenuationColor&&this.attenuationColor.setHex(t.attenuationColor),void 0!==t.anisotropy&&(this.anisotropy=t.anisotropy),void 0!==t.anisotropyRotation&&(this.anisotropyRotation=t.anisotropyRotation),void 0!==t.fog&&(this.fog=t.fog),void 0!==t.flatShading&&(this.flatShading=t.flatShading),void 0!==t.blending&&(this.blending=t.blending),void 0!==t.combine&&(this.combine=t.combine),void 0!==t.side&&(this.side=t.side),void 0!==t.shadowSide&&(this.shadowSide=t.shadowSide),void 0!==t.opacity&&(this.opacity=t.opacity),void 0!==t.transparent&&(this.transparent=t.transparent),void 0!==t.alphaTest&&(this.alphaTest=t.alphaTest),void 0!==t.alphaHash&&(this.alphaHash=t.alphaHash),void 0!==t.depthFunc&&(this.depthFunc=t.depthFunc),void 0!==t.depthTest&&(this.depthTest=t.depthTest),void 0!==t.depthWrite&&(this.depthWrite=t.depthWrite),void 0!==t.colorWrite&&(this.colorWrite=t.colorWrite),void 0!==t.blendSrc&&(this.blendSrc=t.blendSrc),void 0!==t.blendDst&&(this.blendDst=t.blendDst),void 0!==t.blendEquation&&(this.blendEquation=t.blendEquation),void 0!==t.blendSrcAlpha&&(this.blendSrcAlpha=t.blendSrcAlpha),void 0!==t.blendDstAlpha&&(this.blendDstAlpha=t.blendDstAlpha),void 0!==t.blendEquationAlpha&&(this.blendEquationAlpha=t.blendEquationAlpha),void 0!==t.blendColor&&void 0!==this.blendColor&&this.blendColor.setHex(t.blendColor),void 0!==t.blendAlpha&&(this.blendAlpha=t.blendAlpha),void 0!==t.stencilWriteMask&&(this.stencilWriteMask=t.stencilWriteMask),void 0!==t.stencilFunc&&(this.stencilFunc=t.stencilFunc),void 0!==t.stencilRef&&(this.stencilRef=t.stencilRef),void 0!==t.stencilFuncMask&&(this.stencilFuncMask=t.stencilFuncMask),void 0!==t.stencilFail&&(this.stencilFail=t.stencilFail),void 0!==t.stencilZFail&&(this.stencilZFail=t.stencilZFail),void 0!==t.stencilZPass&&(this.stencilZPass=t.stencilZPass),void 0!==t.stencilWrite&&(this.stencilWrite=t.stencilWrite),void 0!==t.wireframe&&(this.wireframe=t.wireframe),void 0!==t.wireframeLinewidth&&(this.wireframeLinewidth=t.wireframeLinewidth),void 0!==t.wireframeLinecap&&(this.wireframeLinecap=t.wireframeLinecap),void 0!==t.wireframeLinejoin&&(this.wireframeLinejoin=t.wireframeLinejoin),void 0!==t.rotation&&(this.rotation=t.rotation),void 0!==t.linewidth&&(this.linewidth=t.linewidth),void 0!==t.dashSize&&(this.dashSize=t.dashSize),void 0!==t.gapSize&&(this.gapSize=t.gapSize),void 0!==t.scale&&(this.scale=t.scale),void 0!==t.polygonOffset&&(this.polygonOffset=t.polygonOffset),void 0!==t.polygonOffsetFactor&&(this.polygonOffsetFactor=t.polygonOffsetFactor),void 0!==t.polygonOffsetUnits&&(this.polygonOffsetUnits=t.polygonOffsetUnits),void 0!==t.dithering&&(this.dithering=t.dithering),void 0!==t.alphaToCoverage&&(this.alphaToCoverage=t.alphaToCoverage),void 0!==t.premultipliedAlpha&&(this.premultipliedAlpha=t.premultipliedAlpha),void 0!==t.forceSinglePass&&(this.forceSinglePass=t.forceSinglePass),void 0!==t.allowOverride&&(this.allowOverride=t.allowOverride),void 0!==t.visible&&(this.visible=t.visible),void 0!==t.toneMapped&&(this.toneMapped=t.toneMapped),void 0!==t.userData&&(this.userData=t.userData),void 0!==t.vertexColors&&("number"==typeof t.vertexColors?this.vertexColors=t.vertexColors>0:this.vertexColors=t.vertexColors),void 0!==t.size&&(this.size=t.size),void 0!==t.sizeAttenuation&&(this.sizeAttenuation=t.sizeAttenuation),void 0!==t.map&&(this.map=e[t.map]||null),void 0!==t.matcap&&(this.matcap=e[t.matcap]||null),void 0!==t.alphaMap&&(this.alphaMap=e[t.alphaMap]||null),void 0!==t.bumpMap&&(this.bumpMap=e[t.bumpMap]||null),void 0!==t.bumpScale&&(this.bumpScale=t.bumpScale),void 0!==t.normalMap&&(this.normalMap=e[t.normalMap]||null),void 0!==t.normalMapType&&(this.normalMapType=t.normalMapType),void 0!==t.normalScale){let e=t.normalScale;!1===Array.isArray(e)&&(e=[e,e]),this.normalScale=(new _s).fromArray(e)}return void 0!==t.displacementMap&&(this.displacementMap=e[t.displacementMap]||null),void 0!==t.displacementScale&&(this.displacementScale=t.displacementScale),void 0!==t.displacementBias&&(this.displacementBias=t.displacementBias),void 0!==t.roughnessMap&&(this.roughnessMap=e[t.roughnessMap]||null),void 0!==t.metalnessMap&&(this.metalnessMap=e[t.metalnessMap]||null),void 0!==t.emissiveMap&&(this.emissiveMap=e[t.emissiveMap]||null),void 0!==t.emissiveIntensity&&(this.emissiveIntensity=t.emissiveIntensity),void 0!==t.specularMap&&(this.specularMap=e[t.specularMap]||null),void 0!==t.specularIntensityMap&&(this.specularIntensityMap=e[t.specularIntensityMap]||null),void 0!==t.specularColorMap&&(this.specularColorMap=e[t.specularColorMap]||null),void 0!==t.envMap&&(this.envMap=e[t.envMap]||null),void 0!==t.envMapRotation&&this.envMapRotation.fromArray(t.envMapRotation),void 0!==t.envMapIntensity&&(this.envMapIntensity=t.envMapIntensity),void 0!==t.reflectivity&&(this.reflectivity=t.reflectivity),void 0!==t.refractionRatio&&(this.refractionRatio=t.refractionRatio),void 0!==t.lightMap&&(this.lightMap=e[t.lightMap]||null),void 0!==t.lightMapIntensity&&(this.lightMapIntensity=t.lightMapIntensity),void 0!==t.aoMap&&(this.aoMap=e[t.aoMap]||null),void 0!==t.aoMapIntensity&&(this.aoMapIntensity=t.aoMapIntensity),void 0!==t.gradientMap&&(this.gradientMap=e[t.gradientMap]||null),void 0!==t.clearcoatMap&&(this.clearcoatMap=e[t.clearcoatMap]||null),void 0!==t.clearcoatRoughnessMap&&(this.clearcoatRoughnessMap=e[t.clearcoatRoughnessMap]||null),void 0!==t.clearcoatNormalMap&&(this.clearcoatNormalMap=e[t.clearcoatNormalMap]||null),void 0!==t.clearcoatNormalScale&&(this.clearcoatNormalScale=(new _s).fromArray(t.clearcoatNormalScale)),void 0!==t.iridescenceMap&&(this.iridescenceMap=e[t.iridescenceMap]||null),void 0!==t.iridescenceThicknessMap&&(this.iridescenceThicknessMap=e[t.iridescenceThicknessMap]||null),void 0!==t.transmissionMap&&(this.transmissionMap=e[t.transmissionMap]||null),void 0!==t.thicknessMap&&(this.thicknessMap=e[t.thicknessMap]||null),void 0!==t.anisotropyMap&&(this.anisotropyMap=e[t.anisotropyMap]||null),void 0!==t.sheenColorMap&&(this.sheenColorMap=e[t.sheenColorMap]||null),void 0!==t.sheenRoughnessMap&&(this.sheenRoughnessMap=e[t.sheenRoughnessMap]||null),this}clone(){return(new this.constructor).copy(this)}copy(t){this.name=t.name,this.blending=t.blending,this.side=t.side,this.vertexColors=t.vertexColors,this.opacity=t.opacity,this.transparent=t.transparent,this.blendSrc=t.blendSrc,this.blendDst=t.blendDst,this.blendEquation=t.blendEquation,this.blendSrcAlpha=t.blendSrcAlpha,this.blendDstAlpha=t.blendDstAlpha,this.blendEquationAlpha=t.blendEquationAlpha,this.blendColor.copy(t.blendColor),this.blendAlpha=t.blendAlpha,this.depthFunc=t.depthFunc,this.depthTest=t.depthTest,this.depthWrite=t.depthWrite,this.stencilWriteMask=t.stencilWriteMask,this.stencilFunc=t.stencilFunc,this.stencilRef=t.stencilRef,this.stencilFuncMask=t.stencilFuncMask,this.stencilFail=t.stencilFail,this.stencilZFail=t.stencilZFail,this.stencilZPass=t.stencilZPass,this.stencilWrite=t.stencilWrite;const e=t.clippingPlanes;let i=null;if(null!==e){const t=e.length;i=new Array(t);for(let s=0;s!==t;++s)i[s]=e[s].clone()}return this.clippingPlanes=i,this.clipIntersection=t.clipIntersection,this.clipShadows=t.clipShadows,this.shadowSide=t.shadowSide,this.colorWrite=t.colorWrite,this.precision=t.precision,this.polygonOffset=t.polygonOffset,this.polygonOffsetFactor=t.polygonOffsetFactor,this.polygonOffsetUnits=t.polygonOffsetUnits,this.dithering=t.dithering,this.alphaTest=t.alphaTest,this.alphaHash=t.alphaHash,this.alphaToCoverage=t.alphaToCoverage,this.premultipliedAlpha=t.premultipliedAlpha,this.forceSinglePass=t.forceSinglePass,this.allowOverride=t.allowOverride,this.visible=t.visible,this.toneMapped=t.toneMapped,this.userData=JSON.parse(JSON.stringify(t.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(t){!0===t&&this.version++}}class Gn extends Zn{constructor(t){super(),this.isSpriteMaterial=!0,this.type="SpriteMaterial",this.color=new Pr(16777215),this.map=null,this.alphaMap=null,this.rotation=0,this.sizeAttenuation=!0,this.transparent=!0,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.alphaMap=t.alphaMap,this.rotation=t.rotation,this.sizeAttenuation=t.sizeAttenuation,this.fog=t.fog,this}}const $n=new Ts,Qn=new Ts,Kn=new Ts,ta=new _s,ea=new _s,ia=new Qs,sa=new Ts,ra=new Ts,na=new Ts,aa=new _s,oa=new _s,ha=new _s;class la extends Ar{constructor(t=new Gn){if(super(),this.isSprite=!0,this.type="Sprite",void 0===Xn){Xn=new Wn;const t=new Float32Array([-.5,-.5,0,0,0,.5,-.5,0,1,0,.5,.5,0,1,1,-.5,.5,0,0,1]),e=new Jn(t,5);Xn.setIndex([0,1,2,0,2,3]),Xn.setAttribute("position",new Hn(e,3,0,!1)),Xn.setAttribute("uv",new Hn(e,2,3,!1))}this.geometry=Xn,this.material=t,this.center=new _s(.5,.5),this.count=1}raycast(t,e){null===t.camera&&os('Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.'),Qn.setFromMatrixScale(this.matrixWorld),ia.copy(t.camera.matrixWorld),this.modelViewMatrix.multiplyMatrices(t.camera.matrixWorldInverse,this.matrixWorld),Kn.setFromMatrixPosition(this.modelViewMatrix),t.camera.isPerspectiveCamera&&!1===this.material.sizeAttenuation&&Qn.multiplyScalar(-Kn.z);const i=this.material.rotation;let s,r;0!==i&&(r=Math.cos(i),s=Math.sin(i));const n=this.center;ca(sa.set(-.5,-.5,0),Kn,n,Qn,s,r),ca(ra.set(.5,-.5,0),Kn,n,Qn,s,r),ca(na.set(.5,.5,0),Kn,n,Qn,s,r),aa.set(0,0),oa.set(1,0),ha.set(1,1);let a=t.ray.intersectTriangle(sa,ra,na,!1,$n);if(null===a&&(ca(ra.set(-.5,.5,0),Kn,n,Qn,s,r),oa.set(0,1),a=t.ray.intersectTriangle(sa,na,ra,!1,$n),null===a))return;const o=t.ray.origin.distanceTo($n);o<t.near||o>t.far||e.push({distance:o,point:$n.clone(),uv:$r.getInterpolation($n,sa,ra,na,aa,oa,ha,new _s),face:null,object:this})}copy(t,e){return super.copy(t,e),void 0!==t.center&&this.center.copy(t.center),this.material=t.material,this}}function ca(t,e,i,s,r,n){ta.subVectors(t,i).addScalar(.5).multiply(s),void 0!==r?(ea.x=n*ta.x-r*ta.y,ea.y=r*ta.x+n*ta.y):ea.copy(ta),t.copy(e),t.x+=ea.x,t.y+=ea.y,t.applyMatrix4(ia)}const ua=new Ts,da=new Ts;class pa extends Ar{constructor(){super(),this.isLOD=!0,this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]}}),this.autoUpdate=!0}copy(t){super.copy(t,!1);const e=t.levels;for(let t=0,i=e.length;t<i;t++){const i=e[t];this.addLevel(i.object.clone(),i.distance,i.hysteresis)}return this.autoUpdate=t.autoUpdate,this}addLevel(t,e=0,i=0){e=Math.abs(e);const s=this.levels;let r;for(r=0;r<s.length&&!(e<s[r].distance);r++);return s.splice(r,0,{distance:e,hysteresis:i,object:t}),this.add(t),this}removeLevel(t){const e=this.levels;for(let i=0;i<e.length;i++)if(e[i].distance===t){const t=e.splice(i,1);return this.remove(t[0].object),!0}return!1}getCurrentLevel(){return this._currentLevel}getObjectForDistance(t){const e=this.levels;if(e.length>0){let i,s;for(i=1,s=e.length;i<s;i++){let s=e[i].distance;if(e[i].object.visible&&(s-=s*e[i].hysteresis),t<s)break}return e[i-1].object}return null}raycast(t,e){if(this.levels.length>0){ua.setFromMatrixPosition(this.matrixWorld);const i=t.ray.origin.distanceTo(ua);this.getObjectForDistance(i).raycast(t,e)}}update(t){const e=this.levels;if(e.length>1){ua.setFromMatrixPosition(t.matrixWorld),da.setFromMatrixPosition(this.matrixWorld);const i=ua.distanceTo(da)/t.zoom;let s,r;for(e[0].object.visible=!0,s=1,r=e.length;s<r;s++){let t=e[s].distance;if(e[s].object.visible&&(t-=t*e[s].hysteresis),!(i>=t))break;e[s-1].object.visible=!1,e[s].object.visible=!0}for(this._currentLevel=s-1;s<r;s++)e[s].object.visible=!1}}toJSON(t){const e=super.toJSON(t);!1===this.autoUpdate&&(e.object.autoUpdate=!1),e.object.levels=[];const i=this.levels;for(let t=0,s=i.length;t<s;t++){const s=i[t];e.object.levels.push({object:s.object.uuid,distance:s.distance,hysteresis:s.hysteresis})}return e}}const ma=new Ts,ya=new Ts,ga=new Ts,fa=new Ts,xa=new Ts,ba=new Ts,va=new Ts;class wa{constructor(t=new Ts,e=new Ts(0,0,-1)){this.origin=t,this.direction=e}set(t,e){return this.origin.copy(t),this.direction.copy(e),this}copy(t){return this.origin.copy(t.origin),this.direction.copy(t.direction),this}at(t,e){return e.copy(this.origin).addScaledVector(this.direction,t)}lookAt(t){return this.direction.copy(t).sub(this.origin).normalize(),this}recast(t){return this.origin.copy(this.at(t,ma)),this}closestPointToPoint(t,e){e.subVectors(t,this.origin);const i=e.dot(this.direction);return i<0?e.copy(this.origin):e.copy(this.origin).addScaledVector(this.direction,i)}distanceToPoint(t){return Math.sqrt(this.distanceSqToPoint(t))}distanceSqToPoint(t){const e=ma.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):(ma.copy(this.origin).addScaledVector(this.direction,e),ma.distanceToSquared(t))}distanceSqToSegment(t,e,i,s){ya.copy(t).add(e).multiplyScalar(.5),ga.copy(e).sub(t).normalize(),fa.copy(this.origin).sub(ya);const r=.5*t.distanceTo(e),n=-this.direction.dot(ga),a=fa.dot(this.direction),o=-fa.dot(ga),h=fa.lengthSq(),l=Math.abs(1-n*n);let c,u,d,p;if(l>0)if(c=n*o-a,u=n*a-o,p=r*l,c>=0)if(u>=-p)if(u<=p){const t=1/l;c*=t,u*=t,d=c*(c+n*u+2*a)+u*(n*c+u+2*o)+h}else u=r,c=Math.max(0,-(n*u+a)),d=-c*c+u*(u+2*o)+h;else u=-r,c=Math.max(0,-(n*u+a)),d=-c*c+u*(u+2*o)+h;else u<=-p?(c=Math.max(0,-(-n*r+a)),u=c>0?-r:Math.min(Math.max(-r,-o),r),d=-c*c+u*(u+2*o)+h):u<=p?(c=0,u=Math.min(Math.max(-r,-o),r),d=u*(u+2*o)+h):(c=Math.max(0,-(n*r+a)),u=c>0?r:Math.min(Math.max(-r,-o),r),d=-c*c+u*(u+2*o)+h);else u=n>0?-r:r,c=Math.max(0,-(n*u+a)),d=-c*c+u*(u+2*o)+h;return i&&i.copy(this.origin).addScaledVector(this.direction,c),s&&s.copy(ya).addScaledVector(ga,u),d}intersectSphere(t,e){ma.subVectors(t.center,this.origin);const i=ma.dot(this.direction),s=ma.dot(ma)-i*i,r=t.radius*t.radius;if(s>r)return null;const n=Math.sqrt(r-s),a=i-n,o=i+n;return o<0?null:a<0?this.at(o,e):this.at(a,e)}intersectsSphere(t){return!(t.radius<0)&&this.distanceSqToPoint(t.center)<=t.radius*t.radius}distanceToPlane(t){const e=t.normal.dot(this.direction);if(0===e)return 0===t.distanceToPoint(this.origin)?0:null;const i=-(this.origin.dot(t.normal)+t.constant)/e;return i>=0?i:null}intersectPlane(t,e){const i=this.distanceToPlane(t);return null===i?null:this.at(i,e)}intersectsPlane(t){const e=t.distanceToPoint(this.origin);if(0===e)return!0;return t.normal.dot(this.direction)*e<0}intersectBox(t,e){let i,s,r,n,a,o;const h=1/this.direction.x,l=1/this.direction.y,c=1/this.direction.z,u=this.origin;return h>=0?(i=(t.min.x-u.x)*h,s=(t.max.x-u.x)*h):(i=(t.max.x-u.x)*h,s=(t.min.x-u.x)*h),l>=0?(r=(t.min.y-u.y)*l,n=(t.max.y-u.y)*l):(r=(t.max.y-u.y)*l,n=(t.min.y-u.y)*l),i>n||r>s?null:((r>i||isNaN(i))&&(i=r),(n<s||isNaN(s))&&(s=n),c>=0?(a=(t.min.z-u.z)*c,o=(t.max.z-u.z)*c):(a=(t.max.z-u.z)*c,o=(t.min.z-u.z)*c),i>o||a>s?null:((a>i||i!=i)&&(i=a),(o<s||s!=s)&&(s=o),s<0?null:this.at(i>=0?i:s,e)))}intersectsBox(t){return null!==this.intersectBox(t,ma)}intersectTriangle(t,e,i,s,r){xa.subVectors(e,t),ba.subVectors(i,t),va.crossVectors(xa,ba);let n,a=this.direction.dot(va);if(a>0){if(s)return null;n=1}else{if(!(a<0))return null;n=-1,a=-a}fa.subVectors(this.origin,t);const o=n*this.direction.dot(ba.crossVectors(fa,ba));if(o<0)return null;const h=n*this.direction.dot(xa.cross(fa));if(h<0)return null;if(o+h>a)return null;const l=-n*fa.dot(va);return l<0?null:this.at(l/a,r)}applyMatrix4(t){return this.origin.applyMatrix4(t),this.direction.transformDirection(t),this}equals(t){return t.origin.equals(this.origin)&&t.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}class Ma extends Zn{constructor(t){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new Pr(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new hr,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}const Sa=new Qs,_a=new wa,Aa=new En,Ta=new Ts,za=new Ts,Ca=new Ts,Ia=new Ts,Ba=new Ts,ka=new Ts,Oa=new Ts,Pa=new Ts;class Ra extends Ar{constructor(t=new Wn,e=new Ma){super(),this.isMesh=!0,this.type="Mesh",this.geometry=t,this.material=e,this.morphTargetDictionary=void 0,this.morphTargetInfluences=void 0,this.count=1,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),void 0!==t.morphTargetInfluences&&(this.morphTargetInfluences=t.morphTargetInfluences.slice()),void 0!==t.morphTargetDictionary&&(this.morphTargetDictionary=Object.assign({},t.morphTargetDictionary)),this.material=Array.isArray(t.material)?t.material.slice():t.material,this.geometry=t.geometry,this}updateMorphTargets(){const t=this.geometry.morphAttributes,e=Object.keys(t);if(e.length>0){const i=t[e[0]];if(void 0!==i){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=i.length;t<e;t++){const e=i[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[e]=t}}}}getVertexPosition(t,e){const i=this.geometry,s=i.attributes.position,r=i.morphAttributes.position,n=i.morphTargetsRelative;e.fromBufferAttribute(s,t);const a=this.morphTargetInfluences;if(r&&a){ka.set(0,0,0);for(let i=0,s=r.length;i<s;i++){const s=a[i],o=r[i];0!==s&&(Ba.fromBufferAttribute(o,t),n?ka.addScaledVector(Ba,s):ka.addScaledVector(Ba.sub(e),s))}e.add(ka)}return e}raycast(t,e){const i=this.geometry,s=this.material,r=this.matrixWorld;if(void 0!==s){if(null===i.boundingSphere&&i.computeBoundingSphere(),Aa.copy(i.boundingSphere),Aa.applyMatrix4(r),_a.copy(t.ray).recast(t.near),!1===Aa.containsPoint(_a.origin)){if(null===_a.intersectSphere(Aa,Ta))return;if(_a.origin.distanceToSquared(Ta)>(t.far-t.near)**2)return}Sa.copy(r).invert(),_a.copy(t.ray).applyMatrix4(Sa),null!==i.boundingBox&&!1===_a.intersectsBox(i.boundingBox)||this._computeIntersections(t,e,_a)}}_computeIntersections(t,e,i){let s;const r=this.geometry,n=this.material,a=r.index,o=r.attributes.position,h=r.attributes.uv,l=r.attributes.uv1,c=r.attributes.normal,u=r.groups,d=r.drawRange;if(null!==a)if(Array.isArray(n))for(let r=0,o=u.length;r<o;r++){const o=u[r],p=n[o.materialIndex];for(let r=Math.max(o.start,d.start),n=Math.min(a.count,Math.min(o.start+o.count,d.start+d.count));r<n;r+=3){s=Ea(this,p,t,i,h,l,c,a.getX(r),a.getX(r+1),a.getX(r+2)),s&&(s.faceIndex=Math.floor(r/3),s.face.materialIndex=o.materialIndex,e.push(s))}}else{for(let r=Math.max(0,d.start),o=Math.min(a.count,d.start+d.count);r<o;r+=3){s=Ea(this,n,t,i,h,l,c,a.getX(r),a.getX(r+1),a.getX(r+2)),s&&(s.faceIndex=Math.floor(r/3),e.push(s))}}else if(void 0!==o)if(Array.isArray(n))for(let r=0,a=u.length;r<a;r++){const a=u[r],p=n[a.materialIndex];for(let r=Math.max(a.start,d.start),n=Math.min(o.count,Math.min(a.start+a.count,d.start+d.count));r<n;r+=3){s=Ea(this,p,t,i,h,l,c,r,r+1,r+2),s&&(s.faceIndex=Math.floor(r/3),s.face.materialIndex=a.materialIndex,e.push(s))}}else{for(let r=Math.max(0,d.start),a=Math.min(o.count,d.start+d.count);r<a;r+=3){s=Ea(this,n,t,i,h,l,c,r,r+1,r+2),s&&(s.faceIndex=Math.floor(r/3),e.push(s))}}}}function Ea(t,e,i,s,r,n,a,o,h,l){t.getVertexPosition(o,za),t.getVertexPosition(h,Ca),t.getVertexPosition(l,Ia);const c=function(t,e,i,s,r,n,a,o){let h;if(h=1===e.side?s.intersectTriangle(a,n,r,!0,o):s.intersectTriangle(r,n,a,0===e.side,o),null===h)return null;Pa.copy(o),Pa.applyMatrix4(t.matrixWorld);const l=i.ray.origin.distanceTo(Pa);return l<i.near||l>i.far?null:{distance:l,point:Pa.clone(),object:t}}(t,e,i,s,za,Ca,Ia,Oa);if(c){const t=new Ts;$r.getBarycoord(Oa,za,Ca,Ia,t),r&&(c.uv=$r.getInterpolatedAttribute(r,o,h,l,t,new _s)),n&&(c.uv1=$r.getInterpolatedAttribute(n,o,h,l,t,new _s)),a&&(c.normal=$r.getInterpolatedAttribute(a,o,h,l,t,new Ts),c.normal.dot(s.direction)>0&&c.normal.multiplyScalar(-1));const e={a:o,b:h,c:l,normal:new Ts,materialIndex:0};$r.getNormal(za,Ca,Ia,e.normal),c.face=e,c.barycoord=t}return c}const Na=new qs,Va=new qs,Fa=new qs,La=new qs,Da=new Qs,ja=new Ts,Ua=new En,Wa=new Qs,Ja=new wa;class qa extends Ra{constructor(t,e){super(t,e),this.isSkinnedMesh=!0,this.type="SkinnedMesh",this.bindMode=at,this.bindMatrix=new Qs,this.bindMatrixInverse=new Qs,this.boundingBox=null,this.boundingSphere=null}computeBoundingBox(){const t=this.geometry;null===this.boundingBox&&(this.boundingBox=new Qr),this.boundingBox.makeEmpty();const e=t.getAttribute("position");for(let t=0;t<e.count;t++)this.getVertexPosition(t,ja),this.boundingBox.expandByPoint(ja)}computeBoundingSphere(){const t=this.geometry;null===this.boundingSphere&&(this.boundingSphere=new En),this.boundingSphere.makeEmpty();const e=t.getAttribute("position");for(let t=0;t<e.count;t++)this.getVertexPosition(t,ja),this.boundingSphere.expandByPoint(ja)}copy(t,e){return super.copy(t,e),this.bindMode=t.bindMode,this.bindMatrix.copy(t.bindMatrix),this.bindMatrixInverse.copy(t.bindMatrixInverse),this.skeleton=t.skeleton,null!==t.boundingBox&&(this.boundingBox=t.boundingBox.clone()),null!==t.boundingSphere&&(this.boundingSphere=t.boundingSphere.clone()),this}raycast(t,e){const i=this.material,s=this.matrixWorld;void 0!==i&&(null===this.boundingSphere&&this.computeBoundingSphere(),Ua.copy(this.boundingSphere),Ua.applyMatrix4(s),!1!==t.ray.intersectsSphere(Ua)&&(Wa.copy(s).invert(),Ja.copy(t.ray).applyMatrix4(Wa),null!==this.boundingBox&&!1===Ja.intersectsBox(this.boundingBox)||this._computeIntersections(t,e,Ja)))}getVertexPosition(t,e){return super.getVertexPosition(t,e),this.applyBoneTransform(t,e),e}bind(t,e){this.skeleton=t,void 0===e&&(this.updateMatrixWorld(!0),this.skeleton.calculateInverses(),e=this.matrixWorld),this.bindMatrix.copy(e),this.bindMatrixInverse.copy(e).invert()}pose(){this.skeleton.pose()}normalizeSkinWeights(){const t=new qs,e=this.geometry.attributes.skinWeight;for(let i=0,s=e.count;i<s;i++){t.fromBufferAttribute(e,i);const s=1/t.manhattanLength();s!==1/0?t.multiplyScalar(s):t.set(1,0,0,0),e.setXYZW(i,t.x,t.y,t.z,t.w)}}updateMatrixWorld(t){super.updateMatrixWorld(t),this.bindMode===at?this.bindMatrixInverse.copy(this.matrixWorld).invert():this.bindMode===ot?this.bindMatrixInverse.copy(this.bindMatrix).invert():as("SkinnedMesh: Unrecognized bindMode: "+this.bindMode)}applyBoneTransform(t,e){const i=this.skeleton,s=this.geometry;Va.fromBufferAttribute(s.attributes.skinIndex,t),Fa.fromBufferAttribute(s.attributes.skinWeight,t),e.isVector4?(Na.copy(e),e.set(0,0,0,0)):(Na.set(...e,1),e.set(0,0,0)),Na.applyMatrix4(this.bindMatrix);for(let t=0;t<4;t++){const s=Fa.getComponent(t);if(0!==s){const r=Va.getComponent(t);Da.multiplyMatrices(i.bones[r].matrixWorld,i.boneInverses[r]),e.addScaledVector(La.copy(Na).applyMatrix4(Da),s)}}return e.isVector4&&(e.w=Na.w),e.applyMatrix4(this.bindMatrixInverse)}}class Ha extends Ar{constructor(){super(),this.isBone=!0,this.type="Bone"}}class Xa extends Js{constructor(t=null,e=1,i=1,s,r,n,a,o,h=1003,l=1003,c,u){super(null,n,a,o,h,l,s,r,c,u),this.isDataTexture=!0,this.image={data:t,width:e,height:i},this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}const Ya=new Qs,Za=new Qs;class Ga{constructor(t=[],e=[]){this.uuid=fs(),this.bones=t.slice(0),this.boneInverses=e,this.boneMatrices=null,this.boneTexture=null,this.init()}init(){const t=this.bones,e=this.boneInverses;if(this.boneMatrices=new Float32Array(16*t.length),0===e.length)this.calculateInverses();else if(t.length!==e.length){as("Skeleton: Number of inverse bone matrices does not match amount of bones."),this.boneInverses=[];for(let t=0,e=this.bones.length;t<e;t++)this.boneInverses.push(new Qs)}}calculateInverses(){this.boneInverses.length=0;for(let t=0,e=this.bones.length;t<e;t++){const e=new Qs;this.bones[t]&&e.copy(this.bones[t].matrixWorld).invert(),this.boneInverses.push(e)}}pose(){for(let t=0,e=this.bones.length;t<e;t++){const e=this.bones[t];e&&e.matrixWorld.copy(this.boneInverses[t]).invert()}for(let t=0,e=this.bones.length;t<e;t++){const e=this.bones[t];e&&(e.parent&&e.parent.isBone?(e.matrix.copy(e.parent.matrixWorld).invert(),e.matrix.multiply(e.matrixWorld)):e.matrix.copy(e.matrixWorld),e.matrix.decompose(e.position,e.quaternion,e.scale))}}update(){const t=this.bones,e=this.boneInverses,i=this.boneMatrices,s=this.boneTexture;for(let s=0,r=t.length;s<r;s++){const r=t[s]?t[s].matrixWorld:Za;Ya.multiplyMatrices(r,e[s]),Ya.toArray(i,16*s)}null!==s&&(s.needsUpdate=!0)}clone(){return new Ga(this.bones,this.boneInverses)}computeBoneTexture(){let t=Math.sqrt(4*this.bones.length);t=4*Math.ceil(t/4),t=Math.max(t,4);const e=new Float32Array(t*t*4);e.set(this.boneMatrices);const i=new Xa(e,t,t,Ut,Pt);return i.needsUpdate=!0,this.boneMatrices=e,this.boneTexture=i,this}getBoneByName(t){for(let e=0,i=this.bones.length;e<i;e++){const i=this.bones[e];if(i.name===t)return i}}dispose(){null!==this.boneTexture&&(this.boneTexture.dispose(),this.boneTexture=null)}fromJSON(t,e){this.uuid=t.uuid;for(let i=0,s=t.bones.length;i<s;i++){const s=t.bones[i];let r=e[s];void 0===r&&(as("Skeleton: No bone found with UUID:",s),r=new Ha),this.bones.push(r),this.boneInverses.push((new Qs).fromArray(t.boneInverses[i]))}return this.init(),this}toJSON(){const t={metadata:{version:4.7,type:"Skeleton",generator:"Skeleton.toJSON"},bones:[],boneInverses:[]};t.uuid=this.uuid;const e=this.bones,i=this.boneInverses;for(let s=0,r=e.length;s<r;s++){const r=e[s];t.bones.push(r.uuid);const n=i[s];t.boneInverses.push(n.toArray())}return t}}class $a extends Mn{constructor(t,e,i,s=1){super(t,e,i),this.isInstancedBufferAttribute=!0,this.meshPerAttribute=s}copy(t){return super.copy(t),this.meshPerAttribute=t.meshPerAttribute,this}toJSON(){const t=super.toJSON();return t.meshPerAttribute=this.meshPerAttribute,t.isInstancedBufferAttribute=!0,t}}const Qa=new Qs,Ka=new Qs,to=[],eo=new Qr,io=new Qs,so=new Ra,ro=new En;class no extends Ra{constructor(t,e,i){super(t,e),this.isInstancedMesh=!0,this.instanceMatrix=new $a(new Float32Array(16*i),16),this.instanceColor=null,this.morphTexture=null,this.count=i,this.boundingBox=null,this.boundingSphere=null;for(let t=0;t<i;t++)this.setMatrixAt(t,io)}computeBoundingBox(){const t=this.geometry,e=this.count;null===this.boundingBox&&(this.boundingBox=new Qr),null===t.boundingBox&&t.computeBoundingBox(),this.boundingBox.makeEmpty();for(let i=0;i<e;i++)this.getMatrixAt(i,Qa),eo.copy(t.boundingBox).applyMatrix4(Qa),this.boundingBox.union(eo)}computeBoundingSphere(){const t=this.geometry,e=this.count;null===this.boundingSphere&&(this.boundingSphere=new En),null===t.boundingSphere&&t.computeBoundingSphere(),this.boundingSphere.makeEmpty();for(let i=0;i<e;i++)this.getMatrixAt(i,Qa),ro.copy(t.boundingSphere).applyMatrix4(Qa),this.boundingSphere.union(ro)}copy(t,e){return super.copy(t,e),this.instanceMatrix.copy(t.instanceMatrix),null!==t.morphTexture&&(this.morphTexture=t.morphTexture.clone()),null!==t.instanceColor&&(this.instanceColor=t.instanceColor.clone()),this.count=t.count,null!==t.boundingBox&&(this.boundingBox=t.boundingBox.clone()),null!==t.boundingSphere&&(this.boundingSphere=t.boundingSphere.clone()),this}getColorAt(t,e){return null===this.instanceColor?e.setRGB(1,1,1):e.fromArray(this.instanceColor.array,3*t)}getMatrixAt(t,e){return e.fromArray(this.instanceMatrix.array,16*t)}getMorphAt(t,e){const i=e.morphTargetInfluences,s=this.morphTexture.source.data.data,r=t*(i.length+1)+1;for(let t=0;t<i.length;t++)i[t]=s[r+t]}raycast(t,e){const i=this.matrixWorld,s=this.count;if(so.geometry=this.geometry,so.material=this.material,void 0!==so.material&&(null===this.boundingSphere&&this.computeBoundingSphere(),ro.copy(this.boundingSphere),ro.applyMatrix4(i),!1!==t.ray.intersectsSphere(ro)))for(let r=0;r<s;r++){this.getMatrixAt(r,Qa),Ka.multiplyMatrices(i,Qa),so.matrixWorld=Ka,so.raycast(t,to);for(let t=0,i=to.length;t<i;t++){const i=to[t];i.instanceId=r,i.object=this,e.push(i)}to.length=0}}setColorAt(t,e){return null===this.instanceColor&&(this.instanceColor=new $a(new Float32Array(3*this.instanceMatrix.count).fill(1),3)),e.toArray(this.instanceColor.array,3*t),this}setMatrixAt(t,e){return e.toArray(this.instanceMatrix.array,16*t),this}setMorphAt(t,e){const i=e.morphTargetInfluences,s=i.length+1;null===this.morphTexture&&(this.morphTexture=new Xa(new Float32Array(s*this.count),s,this.count,qt,Pt));const r=this.morphTexture.source.data.data;let n=0;for(let t=0;t<i.length;t++)n+=i[t];const a=this.geometry.morphTargetsRelative?1:1-n,o=s*t;return r[o]=a,r.set(i,o+1),this}updateMorphTargets(){}dispose(){this.dispatchEvent({type:"dispose"}),null!==this.morphTexture&&(this.morphTexture.dispose(),this.morphTexture=null)}}const ao=new Ts,oo=new Ts,ho=new Is;class lo{constructor(t=new Ts(1,0,0),e=0){this.isPlane=!0,this.normal=t,this.constant=e}set(t,e){return this.normal.copy(t),this.constant=e,this}setComponents(t,e,i,s){return this.normal.set(t,e,i),this.constant=s,this}setFromNormalAndCoplanarPoint(t,e){return this.normal.copy(t),this.constant=-e.dot(this.normal),this}setFromCoplanarPoints(t,e,i){const s=ao.subVectors(i,e).cross(oo.subVectors(t,e)).normalize();return this.setFromNormalAndCoplanarPoint(s,t),this}copy(t){return this.normal.copy(t.normal),this.constant=t.constant,this}normalize(){const t=1/this.normal.length();return this.normal.multiplyScalar(t),this.constant*=t,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(t){return this.normal.dot(t)+this.constant}distanceToSphere(t){return this.distanceToPoint(t.center)-t.radius}projectPoint(t,e){return e.copy(t).addScaledVector(this.normal,-this.distanceToPoint(t))}intersectLine(t,e,i=!0){const s=t.delta(ao),r=this.normal.dot(s);if(0===r)return 0===this.distanceToPoint(t.start)?e.copy(t.start):null;const n=-(t.start.dot(this.normal)+this.constant)/r;return!0===i&&(n<0||n>1)?null:e.copy(t.start).addScaledVector(s,n)}intersectsLine(t){const e=this.distanceToPoint(t.start),i=this.distanceToPoint(t.end);return e<0&&i>0||i<0&&e>0}intersectsBox(t){return t.intersectsPlane(this)}intersectsSphere(t){return t.intersectsPlane(this)}coplanarPoint(t){return t.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(t,e){const i=e||ho.getNormalMatrix(t),s=this.coplanarPoint(ao).applyMatrix4(t),r=this.normal.applyMatrix3(i).normalize();return this.constant=-s.dot(r),this}translate(t){return this.constant-=t.dot(this.normal),this}equals(t){return t.normal.equals(this.normal)&&t.constant===this.constant}clone(){return(new this.constructor).copy(this)}}const co=new En,uo=new _s(.5,.5),po=new Ts;class mo{constructor(t=new lo,e=new lo,i=new lo,s=new lo,r=new lo,n=new lo){this.planes=[t,e,i,s,r,n]}set(t,e,i,s,r,n){const a=this.planes;return a[0].copy(t),a[1].copy(e),a[2].copy(i),a[3].copy(s),a[4].copy(r),a[5].copy(n),this}copy(t){const e=this.planes;for(let i=0;i<6;i++)e[i].copy(t.planes[i]);return this}setFromProjectionMatrix(t,e=2e3,i=!1){const s=this.planes,r=t.elements,n=r[0],a=r[1],o=r[2],h=r[3],l=r[4],c=r[5],u=r[6],d=r[7],p=r[8],m=r[9],y=r[10],g=r[11],f=r[12],x=r[13],b=r[14],v=r[15];if(s[0].setComponents(h-n,d-l,g-p,v-f).normalize(),s[1].setComponents(h+n,d+l,g+p,v+f).normalize(),s[2].setComponents(h+a,d+c,g+m,v+x).normalize(),s[3].setComponents(h-a,d-c,g-m,v-x).normalize(),i)s[4].setComponents(o,u,y,b).normalize(),s[5].setComponents(h-o,d-u,g-y,v-b).normalize();else if(s[4].setComponents(h-o,d-u,g-y,v-b).normalize(),e===Wi)s[5].setComponents(h+o,d+u,g+y,v+b).normalize();else{if(e!==Ji)throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+e);s[5].setComponents(o,u,y,b).normalize()}return this}intersectsObject(t){if(void 0!==t.boundingSphere)null===t.boundingSphere&&t.computeBoundingSphere(),co.copy(t.boundingSphere).applyMatrix4(t.matrixWorld);else{const e=t.geometry;null===e.boundingSphere&&e.computeBoundingSphere(),co.copy(e.boundingSphere).applyMatrix4(t.matrixWorld)}return this.intersectsSphere(co)}intersectsSprite(t){co.center.set(0,0,0);const e=uo.distanceTo(t.center);return co.radius=.7071067811865476+e,co.applyMatrix4(t.matrixWorld),this.intersectsSphere(co)}intersectsSphere(t){const e=this.planes,i=t.center,s=-t.radius;for(let t=0;t<6;t++){if(e[t].distanceToPoint(i)<s)return!1}return!0}intersectsBox(t){const e=this.planes;for(let i=0;i<6;i++){const s=e[i];if(po.x=s.normal.x>0?t.max.x:t.min.x,po.y=s.normal.y>0?t.max.y:t.min.y,po.z=s.normal.z>0?t.max.z:t.min.z,s.distanceToPoint(po)<0)return!1}return!0}containsPoint(t){const e=this.planes;for(let i=0;i<6;i++)if(e[i].distanceToPoint(t)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}const yo=new Qs,go=new mo;class fo{constructor(){this.coordinateSystem=Wi}intersectsObject(t,e){if(!e.isArrayCamera||0===e.cameras.length)return!1;for(let i=0;i<e.cameras.length;i++){const s=e.cameras[i];if(yo.multiplyMatrices(s.projectionMatrix,s.matrixWorldInverse),go.setFromProjectionMatrix(yo,s.coordinateSystem,s.reversedDepth),go.intersectsObject(t))return!0}return!1}intersectsSprite(t,e){if(!e||!e.cameras||0===e.cameras.length)return!1;for(let i=0;i<e.cameras.length;i++){const s=e.cameras[i];if(yo.multiplyMatrices(s.projectionMatrix,s.matrixWorldInverse),go.setFromProjectionMatrix(yo,s.coordinateSystem,s.reversedDepth),go.intersectsSprite(t))return!0}return!1}intersectsSphere(t,e){if(!e||!e.cameras||0===e.cameras.length)return!1;for(let i=0;i<e.cameras.length;i++){const s=e.cameras[i];if(yo.multiplyMatrices(s.projectionMatrix,s.matrixWorldInverse),go.setFromProjectionMatrix(yo,s.coordinateSystem,s.reversedDepth),go.intersectsSphere(t))return!0}return!1}intersectsBox(t,e){if(!e||!e.cameras||0===e.cameras.length)return!1;for(let i=0;i<e.cameras.length;i++){const s=e.cameras[i];if(yo.multiplyMatrices(s.projectionMatrix,s.matrixWorldInverse),go.setFromProjectionMatrix(yo,s.coordinateSystem,s.reversedDepth),go.intersectsBox(t))return!0}return!1}containsPoint(t,e){if(!e||!e.cameras||0===e.cameras.length)return!1;for(let i=0;i<e.cameras.length;i++){const s=e.cameras[i];if(yo.multiplyMatrices(s.projectionMatrix,s.matrixWorldInverse),go.setFromProjectionMatrix(yo,s.coordinateSystem,s.reversedDepth),go.containsPoint(t))return!0}return!1}clone(){return new fo}}function xo(t,e){return t-e}function bo(t,e){return t.z-e.z}function vo(t,e){return e.z-t.z}class wo{constructor(){this.index=0,this.pool=[],this.list=[]}push(t,e,i,s){const r=this.pool,n=this.list;this.index>=r.length&&r.push({start:-1,count:-1,z:-1,index:-1});const a=r[this.index];n.push(a),this.index++,a.start=t,a.count=e,a.z=i,a.index=s}reset(){this.list.length=0,this.index=0}}const Mo=new Qs,So=new Pr(1,1,1),_o=new mo,Ao=new fo,To=new Qr,zo=new En,Co=new Ts,Io=new Ts,Bo=new Ts,ko=new wo,Oo=new Ra,Po=[];function Ro(t,e,i=0){const s=e.itemSize;if(t.isInterleavedBufferAttribute||t.array.constructor!==e.array.constructor){const r=t.count;for(let n=0;n<r;n++)for(let r=0;r<s;r++)e.setComponent(n+i,r,t.getComponent(n,r))}else e.array.set(t.array,i*s);e.needsUpdate=!0}function Eo(t,e){if(t.constructor!==e.constructor){const i=Math.min(t.length,e.length);for(let s=0;s<i;s++)e[s]=t[s]}else{const i=Math.min(t.length,e.length);e.set(new t.constructor(t.buffer,0,i))}}class No extends Ra{constructor(t,e,i=2*e,s){super(new Wn,s),this.isBatchedMesh=!0,this.perObjectFrustumCulled=!0,this.sortObjects=!0,this.boundingBox=null,this.boundingSphere=null,this.customSort=null,this._instanceInfo=[],this._geometryInfo=[],this._availableInstanceIds=[],this._availableGeometryIds=[],this._nextIndexStart=0,this._nextVertexStart=0,this._geometryCount=0,this._visibilityChanged=!0,this._geometryInitialized=!1,this._maxInstanceCount=t,this._maxVertexCount=e,this._maxIndexCount=i,this._multiDrawCounts=new Int32Array(t),this._multiDrawStarts=new Int32Array(t),this._multiDrawCount=0,this._matricesTexture=null,this._indirectTexture=null,this._colorsTexture=null,this._initMatricesTexture(),this._initIndirectTexture()}get maxInstanceCount(){return this._maxInstanceCount}get instanceCount(){return this._instanceInfo.length-this._availableInstanceIds.length}get unusedVertexCount(){return this._maxVertexCount-this._nextVertexStart}get unusedIndexCount(){return this._maxIndexCount-this._nextIndexStart}_initMatricesTexture(){let t=Math.sqrt(4*this._maxInstanceCount);t=4*Math.ceil(t/4),t=Math.max(t,4);const e=new Float32Array(t*t*4),i=new Xa(e,t,t,Ut,Pt);this._matricesTexture=i}_initIndirectTexture(){let t=Math.sqrt(this._maxInstanceCount);t=Math.ceil(t);const e=new Uint32Array(t*t),i=new Xa(e,t,t,Ht,Ot);this._indirectTexture=i}_initColorsTexture(){let t=Math.sqrt(this._maxInstanceCount);t=Math.ceil(t);const e=new Float32Array(t*t*4).fill(1),i=new Xa(e,t,t,Ut,Pt);i.colorSpace=Rs.workingColorSpace,this._colorsTexture=i}_initializeGeometry(t){const e=this.geometry,i=this._maxVertexCount,s=this._maxIndexCount;if(!1===this._geometryInitialized){for(const s in t.attributes){const r=t.getAttribute(s),{array:n,itemSize:a,normalized:o}=r,h=new n.constructor(i*a),l=new Mn(h,a,o);e.setAttribute(s,l)}if(null!==t.getIndex()){const t=i>65535?new Uint32Array(s):new Uint16Array(s);e.setIndex(new Mn(t,1))}this._geometryInitialized=!0}}_validateGeometry(t){const e=this.geometry;if(Boolean(t.getIndex())!==Boolean(e.getIndex()))throw new Error('THREE.BatchedMesh: All geometries must consistently have "index".');for(const i in e.attributes){if(!t.hasAttribute(i))throw new Error(`THREE.BatchedMesh: Added geometry missing "${i}". All geometries must have consistent attributes.`);const s=t.getAttribute(i),r=e.getAttribute(i);if(s.itemSize!==r.itemSize||s.normalized!==r.normalized)throw new Error("THREE.BatchedMesh: All attributes must have a consistent itemSize and normalized value.")}}validateInstanceId(t){const e=this._instanceInfo;if(t<0||t>=e.length||!1===e[t].active)throw new Error(`THREE.BatchedMesh: Invalid instanceId ${t}. Instance is either out of range or has been deleted.`)}validateGeometryId(t){const e=this._geometryInfo;if(t<0||t>=e.length||!1===e[t].active)throw new Error(`THREE.BatchedMesh: Invalid geometryId ${t}. Geometry is either out of range or has been deleted.`)}setCustomSort(t){return this.customSort=t,this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new Qr);const t=this.boundingBox,e=this._instanceInfo;t.makeEmpty();for(let i=0,s=e.length;i<s;i++){if(!1===e[i].active)continue;const s=e[i].geometryIndex;this.getMatrixAt(i,Mo),this.getBoundingBoxAt(s,To).applyMatrix4(Mo),t.union(To)}}computeBoundingSphere(){null===this.boundingSphere&&(this.boundingSphere=new En);const t=this.boundingSphere,e=this._instanceInfo;t.makeEmpty();for(let i=0,s=e.length;i<s;i++){if(!1===e[i].active)continue;const s=e[i].geometryIndex;this.getMatrixAt(i,Mo),this.getBoundingSphereAt(s,zo).applyMatrix4(Mo),t.union(zo)}}addInstance(t){if(this._instanceInfo.length>=this.maxInstanceCount&&0===this._availableInstanceIds.length)throw new Error("THREE.BatchedMesh: Maximum item count reached.");const e={visible:!0,active:!0,geometryIndex:t};let i=null;this._availableInstanceIds.length>0?(this._availableInstanceIds.sort(xo),i=this._availableInstanceIds.shift(),this._instanceInfo[i]=e):(i=this._instanceInfo.length,this._instanceInfo.push(e));const s=this._matricesTexture;Mo.identity().toArray(s.image.data,16*i),s.needsUpdate=!0;const r=this._colorsTexture;return r&&(So.toArray(r.image.data,4*i),r.needsUpdate=!0),this._visibilityChanged=!0,i}addGeometry(t,e=-1,i=-1){this._initializeGeometry(t),this._validateGeometry(t);const s={vertexStart:-1,vertexCount:-1,reservedVertexCount:-1,indexStart:-1,indexCount:-1,reservedIndexCount:-1,start:-1,count:-1,boundingBox:null,boundingSphere:null,active:!0},r=this._geometryInfo;s.vertexStart=this._nextVertexStart,s.reservedVertexCount=-1===e?t.getAttribute("position").count:e;const n=t.getIndex();if(null!==n&&(s.indexStart=this._nextIndexStart,s.reservedIndexCount=-1===i?n.count:i),-1!==s.indexStart&&s.indexStart+s.reservedIndexCount>this._maxIndexCount||s.vertexStart+s.reservedVertexCount>this._maxVertexCount)throw new Error("THREE.BatchedMesh: Reserved space request exceeds the maximum buffer size.");let a;return this._availableGeometryIds.length>0?(this._availableGeometryIds.sort(xo),a=this._availableGeometryIds.shift(),r[a]=s):(a=this._geometryCount,this._geometryCount++,r.push(s)),this.setGeometryAt(a,t),this._nextIndexStart=s.indexStart+s.reservedIndexCount,this._nextVertexStart=s.vertexStart+s.reservedVertexCount,a}setGeometryAt(t,e){if(t>=this._geometryCount)throw new Error("THREE.BatchedMesh: Maximum geometry count reached.");this._validateGeometry(e);const i=this.geometry,s=null!==i.getIndex(),r=i.getIndex(),n=e.getIndex(),a=this._geometryInfo[t];if(s&&n.count>a.reservedIndexCount||e.attributes.position.count>a.reservedVertexCount)throw new Error("THREE.BatchedMesh: Reserved space not large enough for provided geometry.");const o=a.vertexStart,h=a.reservedVertexCount;a.vertexCount=e.getAttribute("position").count;for(const t in i.attributes){const s=e.getAttribute(t),r=i.getAttribute(t);Ro(s,r,o);const n=s.itemSize;for(let t=s.count,e=h;t<e;t++){const e=o+t;for(let t=0;t<n;t++)r.setComponent(e,t,0)}r.needsUpdate=!0,r.addUpdateRange(o*n,h*n)}if(s){const t=a.indexStart,i=a.reservedIndexCount;a.indexCount=e.getIndex().count;for(let e=0;e<n.count;e++)r.setX(t+e,o+n.getX(e));for(let e=n.count,s=i;e<s;e++)r.setX(t+e,o);r.needsUpdate=!0,r.addUpdateRange(t,a.reservedIndexCount)}return a.start=s?a.indexStart:a.vertexStart,a.count=s?a.indexCount:a.vertexCount,a.boundingBox=null,null!==e.boundingBox&&(a.boundingBox=e.boundingBox.clone()),a.boundingSphere=null,null!==e.boundingSphere&&(a.boundingSphere=e.boundingSphere.clone()),this._visibilityChanged=!0,t}deleteGeometry(t){const e=this._geometryInfo;if(t>=e.length||!1===e[t].active)return this;const i=this._instanceInfo;for(let e=0,s=i.length;e<s;e++)i[e].active&&i[e].geometryIndex===t&&this.deleteInstance(e);return e[t].active=!1,this._availableGeometryIds.push(t),this._visibilityChanged=!0,this}deleteInstance(t){return this.validateInstanceId(t),this._instanceInfo[t].active=!1,this._availableInstanceIds.push(t),this._visibilityChanged=!0,this}optimize(){let t=0,e=0;const i=this._geometryInfo,s=i.map((t,e)=>e).sort((t,e)=>i[t].vertexStart-i[e].vertexStart),r=this.geometry;for(let n=0,a=i.length;n<a;n++){const a=s[n],o=i[a];if(!1!==o.active){if(null!==r.index){if(o.indexStart!==e){const{indexStart:i,vertexStart:s,reservedIndexCount:n}=o,a=r.index,h=a.array,l=t-s;for(let t=i;t<i+n;t++)h[t]=h[t]+l;a.array.copyWithin(e,i,i+n),a.addUpdateRange(e,n),a.needsUpdate=!0,o.indexStart=e}e+=o.reservedIndexCount}if(o.vertexStart!==t){const{vertexStart:e,reservedVertexCount:i}=o,s=r.attributes;for(const r in s){const n=s[r],{array:a,itemSize:o}=n;a.copyWithin(t*o,e*o,(e+i)*o),n.addUpdateRange(t*o,i*o),n.needsUpdate=!0}o.vertexStart=t}t+=o.reservedVertexCount,o.start=r.index?o.indexStart:o.vertexStart}}return this._nextIndexStart=e,this._nextVertexStart=t,this._visibilityChanged=!0,this}getBoundingBoxAt(t,e){if(t>=this._geometryCount)return null;const i=this.geometry,s=this._geometryInfo[t];if(null===s.boundingBox){const t=new Qr,e=i.index,r=i.attributes.position;for(let i=s.start,n=s.start+s.count;i<n;i++){let s=i;e&&(s=e.getX(s)),t.expandByPoint(Co.fromBufferAttribute(r,s))}s.boundingBox=t}return e.copy(s.boundingBox),e}getBoundingSphereAt(t,e){if(t>=this._geometryCount)return null;const i=this.geometry,s=this._geometryInfo[t];if(null===s.boundingSphere){const e=new En;this.getBoundingBoxAt(t,To),To.getCenter(e.center);const r=i.index,n=i.attributes.position;let a=0;for(let t=s.start,i=s.start+s.count;t<i;t++){let i=t;r&&(i=r.getX(i)),Co.fromBufferAttribute(n,i),a=Math.max(a,e.center.distanceToSquared(Co))}e.radius=Math.sqrt(a),s.boundingSphere=e}return e.copy(s.boundingSphere),e}setMatrixAt(t,e){this.validateInstanceId(t);const i=this._matricesTexture,s=this._matricesTexture.image.data;return e.toArray(s,16*t),i.needsUpdate=!0,this}getMatrixAt(t,e){return this.validateInstanceId(t),e.fromArray(this._matricesTexture.image.data,16*t)}setColorAt(t,e){return this.validateInstanceId(t),null===this._colorsTexture&&this._initColorsTexture(),e.toArray(this._colorsTexture.image.data,4*t),this._colorsTexture.needsUpdate=!0,this}getColorAt(t,e){return this.validateInstanceId(t),null===this._colorsTexture?e.isVector4?e.set(1,1,1,1):e.setRGB(1,1,1):e.fromArray(this._colorsTexture.image.data,4*t)}setVisibleAt(t,e){return this.validateInstanceId(t),this._instanceInfo[t].visible===e||(this._instanceInfo[t].visible=e,this._visibilityChanged=!0),this}getVisibleAt(t){return this.validateInstanceId(t),this._instanceInfo[t].visible}setGeometryIdAt(t,e){return this.validateInstanceId(t),this.validateGeometryId(e),this._instanceInfo[t].geometryIndex=e,this}getGeometryIdAt(t){return this.validateInstanceId(t),this._instanceInfo[t].geometryIndex}getGeometryRangeAt(t,e={}){this.validateGeometryId(t);const i=this._geometryInfo[t];return e.vertexStart=i.vertexStart,e.vertexCount=i.vertexCount,e.reservedVertexCount=i.reservedVertexCount,e.indexStart=i.indexStart,e.indexCount=i.indexCount,e.reservedIndexCount=i.reservedIndexCount,e.start=i.start,e.count=i.count,e}setInstanceCount(t){const e=this._availableInstanceIds,i=this._instanceInfo;for(e.sort(xo);e[e.length-1]===i.length-1;)i.pop(),e.pop();if(t<i.length)throw new Error(`THREE.BatchedMesh: Instance ids outside the range ${t} are being used. Cannot shrink instance count.`);const s=new Int32Array(t),r=new Int32Array(t);Eo(this._multiDrawCounts,s),Eo(this._multiDrawStarts,r),this._multiDrawCounts=s,this._multiDrawStarts=r,this._maxInstanceCount=t;const n=this._indirectTexture,a=this._matricesTexture,o=this._colorsTexture;n.dispose(),this._initIndirectTexture(),Eo(n.image.data,this._indirectTexture.image.data),a.dispose(),this._initMatricesTexture(),Eo(a.image.data,this._matricesTexture.image.data),o&&(o.dispose(),this._initColorsTexture(),Eo(o.image.data,this._colorsTexture.image.data))}setGeometrySize(t,e){const i=[...this._geometryInfo].filter(t=>t.active);if(Math.max(...i.map(t=>t.vertexStart+t.reservedVertexCount))>t)throw new Error(`THREE.BatchedMesh: Geometry vertex values are being used outside the range ${e}. Cannot shrink further.`);if(this.geometry.index){if(Math.max(...i.map(t=>t.indexStart+t.reservedIndexCount))>e)throw new Error(`THREE.BatchedMesh: Geometry index values are being used outside the range ${e}. Cannot shrink further.`)}const s=this.geometry;s.dispose(),this._maxVertexCount=t,this._maxIndexCount=e,this._geometryInitialized&&(this._geometryInitialized=!1,this.geometry=new Wn,this._initializeGeometry(s));const r=this.geometry;s.index&&Eo(s.index.array,r.index.array);for(const t in s.attributes)Eo(s.attributes[t].array,r.attributes[t].array)}raycast(t,e){const i=this._instanceInfo,s=this._geometryInfo,r=this.matrixWorld,n=this.geometry;Oo.material=this.material,Oo.geometry.index=n.index,Oo.geometry.attributes=n.attributes,null===Oo.geometry.boundingBox&&(Oo.geometry.boundingBox=new Qr),null===Oo.geometry.boundingSphere&&(Oo.geometry.boundingSphere=new En);for(let n=0,a=i.length;n<a;n++){if(!i[n].visible||!i[n].active)continue;const a=i[n].geometryIndex,o=s[a];Oo.geometry.setDrawRange(o.start,o.count),this.getMatrixAt(n,Oo.matrixWorld).premultiply(r),this.getBoundingBoxAt(a,Oo.geometry.boundingBox),this.getBoundingSphereAt(a,Oo.geometry.boundingSphere),Oo.raycast(t,Po);for(let t=0,i=Po.length;t<i;t++){const i=Po[t];i.object=this,i.batchId=n,e.push(i)}Po.length=0}Oo.material=null,Oo.geometry.index=null,Oo.geometry.attributes={},Oo.geometry.setDrawRange(0,1/0)}copy(t){return super.copy(t),this.geometry=t.geometry.clone(),this.perObjectFrustumCulled=t.perObjectFrustumCulled,this.sortObjects=t.sortObjects,this.boundingBox=null!==t.boundingBox?t.boundingBox.clone():null,this.boundingSphere=null!==t.boundingSphere?t.boundingSphere.clone():null,this._geometryInfo=t._geometryInfo.map(t=>({...t,boundingBox:null!==t.boundingBox?t.boundingBox.clone():null,boundingSphere:null!==t.boundingSphere?t.boundingSphere.clone():null})),this._instanceInfo=t._instanceInfo.map(t=>({...t})),this._availableInstanceIds=t._availableInstanceIds.slice(),this._availableGeometryIds=t._availableGeometryIds.slice(),this._nextIndexStart=t._nextIndexStart,this._nextVertexStart=t._nextVertexStart,this._geometryCount=t._geometryCount,this._maxInstanceCount=t._maxInstanceCount,this._maxVertexCount=t._maxVertexCount,this._maxIndexCount=t._maxIndexCount,this._geometryInitialized=t._geometryInitialized,this._multiDrawCounts=t._multiDrawCounts.slice(),this._multiDrawStarts=t._multiDrawStarts.slice(),this._indirectTexture=t._indirectTexture.clone(),this._indirectTexture.image.data=this._indirectTexture.image.data.slice(),this._matricesTexture=t._matricesTexture.clone(),this._matricesTexture.image.data=this._matricesTexture.image.data.slice(),null!==this._colorsTexture&&(this._colorsTexture=t._colorsTexture.clone(),this._colorsTexture.image.data=this._colorsTexture.image.data.slice()),this}dispose(){this.geometry.dispose(),this._matricesTexture.dispose(),this._matricesTexture=null,this._indirectTexture.dispose(),this._indirectTexture=null,null!==this._colorsTexture&&(this._colorsTexture.dispose(),this._colorsTexture=null)}onBeforeRender(t,e,i,s,r){if(!this._visibilityChanged&&!this.perObjectFrustumCulled&&!this.sortObjects)return;const n=s.getIndex();let a=null===n?1:n.array.BYTES_PER_ELEMENT,o=1;r.wireframe&&(o=2,a=s.attributes.position.count>65535?4:2);const h=this._instanceInfo,l=this._multiDrawStarts,c=this._multiDrawCounts,u=this._geometryInfo,d=this.perObjectFrustumCulled,p=this._indirectTexture,m=p.image.data,y=i.isArrayCamera?Ao:_o;d&&!i.isArrayCamera&&(Mo.multiplyMatrices(i.projectionMatrix,i.matrixWorldInverse).multiply(this.matrixWorld),_o.setFromProjectionMatrix(Mo,i.coordinateSystem,i.reversedDepth));let g=0;if(this.sortObjects){Mo.copy(this.matrixWorld).invert(),Co.setFromMatrixPosition(i.matrixWorld).applyMatrix4(Mo),Io.set(0,0,-1).transformDirection(i.matrixWorld).transformDirection(Mo);for(let t=0,e=h.length;t<e;t++)if(h[t].visible&&h[t].active){const e=h[t].geometryIndex;this.getMatrixAt(t,Mo),this.getBoundingSphereAt(e,zo).applyMatrix4(Mo);let s=!1;if(d&&(s=!y.intersectsSphere(zo,i)),!s){const i=u[e],s=Bo.subVectors(zo.center,Co).dot(Io);ko.push(i.start,i.count,s,t)}}const t=ko.list,e=this.customSort;null===e?t.sort(r.transparent?vo:bo):e.call(this,t,i);for(let e=0,i=t.length;e<i;e++){const i=t[e];l[g]=i.start*a*o,c[g]=i.count*o,m[g]=i.index,g++}ko.reset()}else for(let t=0,e=h.length;t<e;t++)if(h[t].visible&&h[t].active){const e=h[t].geometryIndex;let s=!1;if(d&&(this.getMatrixAt(t,Mo),this.getBoundingSphereAt(e,zo).applyMatrix4(Mo),s=!y.intersectsSphere(zo,i)),!s){const i=u[e];l[g]=i.start*a*o,c[g]=i.count*o,m[g]=t,g++}}p.needsUpdate=!0,this._multiDrawCount=g,this._visibilityChanged=!1}onBeforeShadow(t,e,i,s,r,n){this.onBeforeRender(t,null,s,r,n)}}class Vo extends Zn{constructor(t){super(),this.isLineBasicMaterial=!0,this.type="LineBasicMaterial",this.color=new Pr(16777215),this.map=null,this.linewidth=1,this.linecap="round",this.linejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.linewidth=t.linewidth,this.linecap=t.linecap,this.linejoin=t.linejoin,this.fog=t.fog,this}}const Fo=new Ts,Lo=new Ts,Do=new Qs,jo=new wa,Uo=new En,Wo=new Ts,Jo=new Ts;class qo extends Ar{constructor(t=new Wn,e=new Vo){super(),this.isLine=!0,this.type="Line",this.geometry=t,this.material=e,this.morphTargetDictionary=void 0,this.morphTargetInfluences=void 0,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),this.material=Array.isArray(t.material)?t.material.slice():t.material,this.geometry=t.geometry,this}computeLineDistances(){const t=this.geometry;if(null===t.index){const e=t.attributes.position,i=[0];for(let t=1,s=e.count;t<s;t++)Fo.fromBufferAttribute(e,t-1),Lo.fromBufferAttribute(e,t),i[t]=i[t-1],i[t]+=Fo.distanceTo(Lo);t.setAttribute("lineDistance",new kn(i,1))}else as("Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}raycast(t,e){const i=this.geometry,s=this.matrixWorld,r=t.params.Line.threshold,n=i.drawRange;if(null===i.boundingSphere&&i.computeBoundingSphere(),Uo.copy(i.boundingSphere),Uo.applyMatrix4(s),Uo.radius+=r,!1===t.ray.intersectsSphere(Uo))return;Do.copy(s).invert(),jo.copy(t.ray).applyMatrix4(Do);const a=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a,h=this.isLineSegments?2:1,l=i.index,c=i.attributes.position;if(null!==l){const i=Math.max(0,n.start),s=Math.min(l.count,n.start+n.count);for(let r=i,n=s-1;r<n;r+=h){const i=l.getX(r),s=l.getX(r+1),n=Ho(this,t,jo,o,i,s,r);n&&e.push(n)}if(this.isLineLoop){const r=l.getX(s-1),n=l.getX(i),a=Ho(this,t,jo,o,r,n,s-1);a&&e.push(a)}}else{const i=Math.max(0,n.start),s=Math.min(c.count,n.start+n.count);for(let r=i,n=s-1;r<n;r+=h){const i=Ho(this,t,jo,o,r,r+1,r);i&&e.push(i)}if(this.isLineLoop){const r=Ho(this,t,jo,o,s-1,i,s-1);r&&e.push(r)}}}updateMorphTargets(){const t=this.geometry.morphAttributes,e=Object.keys(t);if(e.length>0){const i=t[e[0]];if(void 0!==i){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=i.length;t<e;t++){const e=i[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[e]=t}}}}}function Ho(t,e,i,s,r,n,a){const o=t.geometry.attributes.position;Fo.fromBufferAttribute(o,r),Lo.fromBufferAttribute(o,n);if(i.distanceSqToSegment(Fo,Lo,Wo,Jo)>s)return;Wo.applyMatrix4(t.matrixWorld);const h=e.ray.origin.distanceTo(Wo);return h<e.near||h>e.far?void 0:{distance:h,point:Jo.clone().applyMatrix4(t.matrixWorld),index:a,face:null,faceIndex:null,barycoord:null,object:t}}const Xo=new Ts,Yo=new Ts;class Zo extends qo{constructor(t,e){super(t,e),this.isLineSegments=!0,this.type="LineSegments"}computeLineDistances(){const t=this.geometry;if(null===t.index){const e=t.attributes.position,i=[];for(let t=0,s=e.count;t<s;t+=2)Xo.fromBufferAttribute(e,t),Yo.fromBufferAttribute(e,t+1),i[t]=0===t?0:i[t-1],i[t+1]=i[t]+Xo.distanceTo(Yo);t.setAttribute("lineDistance",new kn(i,1))}else as("LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}}class Go extends qo{constructor(t,e){super(t,e),this.isLineLoop=!0,this.type="LineLoop"}}class $o extends Zn{constructor(t){super(),this.isPointsMaterial=!0,this.type="PointsMaterial",this.color=new Pr(16777215),this.map=null,this.alphaMap=null,this.size=1,this.sizeAttenuation=!0,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.alphaMap=t.alphaMap,this.size=t.size,this.sizeAttenuation=t.sizeAttenuation,this.fog=t.fog,this}}const Qo=new Qs,Ko=new wa,th=new En,eh=new Ts;class ih extends Ar{constructor(t=new Wn,e=new $o){super(),this.isPoints=!0,this.type="Points",this.geometry=t,this.material=e,this.morphTargetDictionary=void 0,this.morphTargetInfluences=void 0,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),this.material=Array.isArray(t.material)?t.material.slice():t.material,this.geometry=t.geometry,this}raycast(t,e){const i=this.geometry,s=this.matrixWorld,r=t.params.Points.threshold,n=i.drawRange;if(null===i.boundingSphere&&i.computeBoundingSphere(),th.copy(i.boundingSphere),th.applyMatrix4(s),th.radius+=r,!1===t.ray.intersectsSphere(th))return;Qo.copy(s).invert(),Ko.copy(t.ray).applyMatrix4(Qo);const a=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a,h=i.index,l=i.attributes.position;if(null!==h){for(let i=Math.max(0,n.start),r=Math.min(h.count,n.start+n.count);i<r;i++){const r=h.getX(i);eh.fromBufferAttribute(l,r),sh(eh,r,o,s,t,e,this)}}else{for(let i=Math.max(0,n.start),r=Math.min(l.count,n.start+n.count);i<r;i++)eh.fromBufferAttribute(l,i),sh(eh,i,o,s,t,e,this)}}updateMorphTargets(){const t=this.geometry.morphAttributes,e=Object.keys(t);if(e.length>0){const i=t[e[0]];if(void 0!==i){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=i.length;t<e;t++){const e=i[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[e]=t}}}}}function sh(t,e,i,s,r,n,a){const o=Ko.distanceSqToPoint(t);if(o<i){const i=new Ts;Ko.closestPointToPoint(t,i),i.applyMatrix4(s);const h=r.ray.origin.distanceTo(i);if(h<r.near||h>r.far)return;n.push({distance:h,distanceToRay:Math.sqrt(o),point:i,index:e,face:null,faceIndex:null,barycoord:null,object:a})}}class rh extends Js{constructor(t,e,i,s,r=1006,n=1006,a,o,h){super(t,e,i,s,r,n,a,o,h),this.isVideoTexture=!0,this.generateMipmaps=!1,this._requestVideoFrameCallbackId=0;const l=this;"requestVideoFrameCallback"in t&&(this._requestVideoFrameCallbackId=t.requestVideoFrameCallback(function e(){l.needsUpdate=!0,l._requestVideoFrameCallbackId=t.requestVideoFrameCallback(e)}))}clone(){return new this.constructor(this.image).copy(this)}update(){const t=this.image;!1==="requestVideoFrameCallback"in t&&t.readyState>=t.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}dispose(){0!==this._requestVideoFrameCallbackId&&(this.source.data.cancelVideoFrameCallback(this._requestVideoFrameCallbackId),this._requestVideoFrameCallbackId=0),super.dispose()}}class nh extends rh{constructor(t,e,i,s,r,n,a,o){super({},t,e,i,s,r,n,a,o),this.isVideoFrameTexture=!0}update(){}clone(){return(new this.constructor).copy(this)}setFrame(t){this.image=t,this.needsUpdate=!0}}class ah extends Js{constructor(t,e){super({width:t,height:e}),this.isFramebufferTexture=!0,this.magFilter=ft,this.minFilter=ft,this.generateMipmaps=!1,this.needsUpdate=!0}}class oh extends Js{constructor(t,e,i,s,r,n,a,o,h,l,c,u){super(null,n,a,o,h,l,s,r,c,u),this.isCompressedTexture=!0,this.image={width:e,height:i},this.mipmaps=t,this.flipY=!1,this.generateMipmaps=!1}}class hh extends oh{constructor(t,e,i,s,r,n){super(t,e,i,r,n),this.isCompressedArrayTexture=!0,this.image.depth=s,this.wrapR=yt,this.layerUpdates=new Set}addLayerUpdate(t){this.layerUpdates.add(t)}clearLayerUpdates(){this.layerUpdates.clear()}}class lh extends oh{constructor(t,e,i){super(void 0,t[0].width,t[0].height,e,i,lt),this.isCompressedCubeTexture=!0,this.isCubeTexture=!0,this.image=t}}class ch extends Js{constructor(t=[],e=301,i,s,r,n,a,o,h,l){super(t,e,i,s,r,n,a,o,h,l),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(t){this.image=t}}class uh extends Js{constructor(t,e,i,s,r,n,a,o,h){super(t,e,i,s,r,n,a,o,h),this.isCanvasTexture=!0,this.needsUpdate=!0}}class dh extends Js{constructor(t,e,i,s,r,n,a,o,h){super(t,e,i,s,r,n,a,o,h),this.isHTMLTexture=!0,this.generateMipmaps=!1,this.needsUpdate=!0;const l=t?t.parentNode:null;null!==l&&"requestPaint"in l&&(l.onpaint=()=>{this.needsUpdate=!0},l.requestPaint())}dispose(){const t=this.image?this.image.parentNode:null;null!==t&&"onpaint"in t&&(t.onpaint=null),super.dispose()}}class ph extends Js{constructor(t,e,i=1014,s,r,n,a=1003,o=1003,h,l=1026,c=1){if(l!==Wt&&1027!==l)throw new Error("THREE.DepthTexture: format must be either THREE.DepthFormat or THREE.DepthStencilFormat");super({width:t,height:e,depth:c},s,r,n,a,o,l,i,h),this.isDepthTexture=!0,this.flipY=!1,this.generateMipmaps=!1,this.compareFunction=null}copy(t){return super.copy(t),this.source=new Ds(Object.assign({},t.image)),this.compareFunction=t.compareFunction,this}toJSON(t){const e=super.toJSON(t);return null!==this.compareFunction&&(e.compareFunction=this.compareFunction),e}}class mh extends ph{constructor(t,e=1014,i=301,s,r,n=1003,a=1003,o,h=1026){const l={width:t,height:t,depth:1},c=[l,l,l,l,l,l];super(t,t,e,i,s,r,n,a,o,h),this.image=c,this.isCubeDepthTexture=!0,this.isCubeTexture=!0}get images(){return this.image}set images(t){this.image=t}}class yh extends Js{constructor(t=null){super(),this.sourceTexture=t,this.isExternalTexture=!0}copy(t){return super.copy(t),this.sourceTexture=t.sourceTexture,this}}class gh extends Wn{constructor(t=1,e=1,i=1,s=1,r=1,n=1){super(),this.type="BoxGeometry",this.parameters={width:t,height:e,depth:i,widthSegments:s,heightSegments:r,depthSegments:n};const a=this;s=Math.floor(s),r=Math.floor(r),n=Math.floor(n);const o=[],h=[],l=[],c=[];let u=0,d=0;function p(t,e,i,s,r,n,p,m,y,g,f){const x=n/y,b=p/g,v=n/2,w=p/2,M=m/2,S=y+1,_=g+1;let A=0,T=0;const z=new Ts;for(let n=0;n<_;n++){const a=n*b-w;for(let o=0;o<S;o++){const u=o*x-v;z[t]=u*s,z[e]=a*r,z[i]=M,h.push(z.x,z.y,z.z),z[t]=0,z[e]=0,z[i]=m>0?1:-1,l.push(z.x,z.y,z.z),c.push(o/y),c.push(1-n/g),A+=1}}for(let t=0;t<g;t++)for(let e=0;e<y;e++){const i=u+e+S*t,s=u+e+S*(t+1),r=u+(e+1)+S*(t+1),n=u+(e+1)+S*t;o.push(i,s,n),o.push(s,r,n),T+=6}a.addGroup(d,T,f),d+=T,u+=A}p("z","y","x",-1,-1,i,e,t,n,r,0),p("z","y","x",1,-1,i,e,-t,n,r,1),p("x","z","y",1,1,t,i,e,s,n,2),p("x","z","y",1,-1,t,i,-e,s,n,3),p("x","y","z",1,-1,t,e,i,s,r,4),p("x","y","z",-1,-1,t,e,-i,s,r,5),this.setIndex(o),this.setAttribute("position",new kn(h,3)),this.setAttribute("normal",new kn(l,3)),this.setAttribute("uv",new kn(c,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new gh(t.width,t.height,t.depth,t.widthSegments,t.heightSegments,t.depthSegments)}}class fh extends Wn{constructor(t=1,e=1,i=4,s=8,r=1){super(),this.type="CapsuleGeometry",this.parameters={radius:t,height:e,capSegments:i,radialSegments:s,heightSegments:r},e=Math.max(0,e),i=Math.max(1,Math.floor(i)),s=Math.max(3,Math.floor(s)),r=Math.max(1,Math.floor(r));const n=[],a=[],o=[],h=[],l=e/2,c=Math.PI/2*t,u=e,d=2*c+u,p=2*i+r,m=s+1,y=new Ts,g=new Ts;for(let f=0;f<=p;f++){let x=0,b=0,v=0,w=0;if(f<=i){const e=f/i,s=e*Math.PI/2;b=-l-t*Math.cos(s),v=t*Math.sin(s),w=-t*Math.cos(s),x=e*c}else if(f<=i+r){const s=(f-i)/r;b=s*e-l,v=t,w=0,x=c+s*u}else{const e=(f-i-r)/i,s=e*Math.PI/2;b=l+t*Math.sin(s),v=t*Math.cos(s),w=t*Math.sin(s),x=c+u+e*c}const M=Math.max(0,Math.min(1,x/d));let S=0;0===f?S=.5/s:f===p&&(S=-.5/s);for(let t=0;t<=s;t++){const e=t/s,i=e*Math.PI*2,r=Math.sin(i),n=Math.cos(i);g.x=-v*n,g.y=b,g.z=v*r,a.push(g.x,g.y,g.z),y.set(-v*n,w,v*r),y.normalize(),o.push(y.x,y.y,y.z),h.push(e+S,M)}if(f>0){const t=(f-1)*m;for(let e=0;e<s;e++){const i=t+e,s=t+e+1,r=f*m+e,a=f*m+e+1;n.push(i,s,r),n.push(s,a,r)}}}this.setIndex(n),this.setAttribute("position",new kn(a,3)),this.setAttribute("normal",new kn(o,3)),this.setAttribute("uv",new kn(h,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new fh(t.radius,t.height,t.capSegments,t.radialSegments,t.heightSegments)}}class xh extends Wn{constructor(t=1,e=32,i=0,s=2*Math.PI){super(),this.type="CircleGeometry",this.parameters={radius:t,segments:e,thetaStart:i,thetaLength:s},e=Math.max(3,e);const r=[],n=[],a=[],o=[],h=new Ts,l=new _s;n.push(0,0,0),a.push(0,0,1),o.push(.5,.5);for(let r=0,c=3;r<=e;r++,c+=3){const u=i+r/e*s;h.x=t*Math.cos(u),h.y=t*Math.sin(u),n.push(h.x,h.y,h.z),a.push(0,0,1),l.x=(n[c]/t+1)/2,l.y=(n[c+1]/t+1)/2,o.push(l.x,l.y)}for(let t=1;t<=e;t++)r.push(t,t+1,0);this.setIndex(r),this.setAttribute("position",new kn(n,3)),this.setAttribute("normal",new kn(a,3)),this.setAttribute("uv",new kn(o,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new xh(t.radius,t.segments,t.thetaStart,t.thetaLength)}}class bh extends Wn{constructor(t=1,e=1,i=1,s=32,r=1,n=!1,a=0,o=2*Math.PI){super(),this.type="CylinderGeometry",this.parameters={radiusTop:t,radiusBottom:e,height:i,radialSegments:s,heightSegments:r,openEnded:n,thetaStart:a,thetaLength:o};const h=this;s=Math.floor(s),r=Math.floor(r);const l=[],c=[],u=[],d=[];let p=0;const m=[],y=i/2;let g=0;function f(i){const r=p,n=new _s,m=new Ts;let f=0;const x=!0===i?t:e,b=!0===i?1:-1;for(let t=1;t<=s;t++)c.push(0,y*b,0),u.push(0,b,0),d.push(.5,.5),p++;const v=p;for(let t=0;t<=s;t++){const e=t/s*o+a,i=Math.cos(e),r=Math.sin(e);m.x=x*r,m.y=y*b,m.z=x*i,c.push(m.x,m.y,m.z),u.push(0,b,0),n.x=.5*i+.5,n.y=.5*r*b+.5,d.push(n.x,n.y),p++}for(let t=0;t<s;t++){const e=r+t,s=v+t;!0===i?l.push(s,s+1,e):l.push(s+1,s,e),f+=3}h.addGroup(g,f,!0===i?1:2),g+=f}!function(){const n=new Ts,f=new Ts;let x=0;const b=(e-t)/i;for(let h=0;h<=r;h++){const l=[],g=h/r,x=g*(e-t)+t;for(let t=0;t<=s;t++){const e=t/s,r=e*o+a,h=Math.sin(r),m=Math.cos(r);f.x=x*h,f.y=-g*i+y,f.z=x*m,c.push(f.x,f.y,f.z),n.set(h,b,m).normalize(),u.push(n.x,n.y,n.z),d.push(e,1-g),l.push(p++)}m.push(l)}for(let i=0;i<s;i++)for(let s=0;s<r;s++){const n=m[s][i],a=m[s+1][i],o=m[s+1][i+1],h=m[s][i+1];(t>0||0!==s)&&(l.push(n,a,h),x+=3),(e>0||s!==r-1)&&(l.push(a,o,h),x+=3)}h.addGroup(g,x,0),g+=x}(),!1===n&&(t>0&&f(!0),e>0&&f(!1)),this.setIndex(l),this.setAttribute("position",new kn(c,3)),this.setAttribute("normal",new kn(u,3)),this.setAttribute("uv",new kn(d,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new bh(t.radiusTop,t.radiusBottom,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class vh extends bh{constructor(t=1,e=1,i=32,s=1,r=!1,n=0,a=2*Math.PI){super(0,t,e,i,s,r,n,a),this.type="ConeGeometry",this.parameters={radius:t,height:e,radialSegments:i,heightSegments:s,openEnded:r,thetaStart:n,thetaLength:a}}static fromJSON(t){return new vh(t.radius,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class wh extends Wn{constructor(t=[],e=[],i=1,s=0){super(),this.type="PolyhedronGeometry",this.parameters={vertices:t,indices:e,radius:i,detail:s};const r=[],n=[];function a(t,e,i,s){const r=s+1,n=[];for(let s=0;s<=r;s++){n[s]=[];const a=t.clone().lerp(i,s/r),o=e.clone().lerp(i,s/r),h=r-s;for(let t=0;t<=h;t++)n[s][t]=0===t&&s===r?a:a.clone().lerp(o,t/h)}for(let t=0;t<r;t++)for(let e=0;e<2*(r-t)-1;e++){const i=Math.floor(e/2);e%2==0?(o(n[t][i+1]),o(n[t+1][i]),o(n[t][i])):(o(n[t][i+1]),o(n[t+1][i+1]),o(n[t+1][i]))}}function o(t){r.push(t.x,t.y,t.z)}function h(e,i){const s=3*e;i.x=t[s+0],i.y=t[s+1],i.z=t[s+2]}function l(t,e,i,s){s<0&&1===t.x&&(n[e]=t.x-1),0===i.x&&0===i.z&&(n[e]=s/2/Math.PI+.5)}function c(t){return Math.atan2(t.z,-t.x)}function u(t){return Math.atan2(-t.y,Math.sqrt(t.x*t.x+t.z*t.z))}!function(t){const i=new Ts,s=new Ts,r=new Ts;for(let n=0;n<e.length;n+=3)h(e[n+0],i),h(e[n+1],s),h(e[n+2],r),a(i,s,r,t)}(s),function(t){const e=new Ts;for(let i=0;i<r.length;i+=3)e.x=r[i+0],e.y=r[i+1],e.z=r[i+2],e.normalize().multiplyScalar(t),r[i+0]=e.x,r[i+1]=e.y,r[i+2]=e.z}(i),function(){const t=new Ts;for(let e=0;e<r.length;e+=3){t.x=r[e+0],t.y=r[e+1],t.z=r[e+2];const i=c(t)/2/Math.PI+.5,s=u(t)/Math.PI+.5;n.push(i,1-s)}(function(){const t=new Ts,e=new Ts,i=new Ts,s=new Ts,a=new _s,o=new _s,h=new _s;for(let u=0,d=0;u<r.length;u+=9,d+=6){t.set(r[u+0],r[u+1],r[u+2]),e.set(r[u+3],r[u+4],r[u+5]),i.set(r[u+6],r[u+7],r[u+8]),a.set(n[d+0],n[d+1]),o.set(n[d+2],n[d+3]),h.set(n[d+4],n[d+5]),s.copy(t).add(e).add(i).divideScalar(3);const p=c(s);l(a,d+0,t,p),l(o,d+2,e,p),l(h,d+4,i,p)}})(),function(){for(let t=0;t<n.length;t+=6){const e=n[t+0],i=n[t+2],s=n[t+4],r=Math.max(e,i,s),a=Math.min(e,i,s);r>.9&&a<.1&&(e<.2&&(n[t+0]+=1),i<.2&&(n[t+2]+=1),s<.2&&(n[t+4]+=1))}}()}(),this.setAttribute("position",new kn(r,3)),this.setAttribute("normal",new kn(r.slice(),3)),this.setAttribute("uv",new kn(n,2)),0===s?this.computeVertexNormals():this.normalizeNormals()}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new wh(t.vertices,t.indices,t.radius,t.detail)}}class Mh extends wh{constructor(t=1,e=0){const i=(1+Math.sqrt(5))/2,s=1/i;super([-1,-1,-1,-1,-1,1,-1,1,-1,-1,1,1,1,-1,-1,1,-1,1,1,1,-1,1,1,1,0,-s,-i,0,-s,i,0,s,-i,0,s,i,-s,-i,0,-s,i,0,s,-i,0,s,i,0,-i,0,-s,i,0,-s,-i,0,s,i,0,s],[3,11,7,3,7,15,3,15,13,7,19,17,7,17,6,7,6,15,17,4,8,17,8,10,17,10,6,8,0,16,8,16,2,8,2,10,0,12,1,0,1,18,0,18,16,6,10,2,6,2,13,6,13,15,2,16,18,2,18,3,2,3,13,18,1,9,18,9,11,18,11,3,4,14,12,4,12,0,4,0,8,11,9,5,11,5,19,11,19,7,19,5,14,19,14,4,19,4,17,1,12,14,1,14,5,1,5,9],t,e),this.type="DodecahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new Mh(t.radius,t.detail)}}const Sh=new Ts,_h=new Ts,Ah=new Ts,Th=new $r;class zh extends Wn{constructor(t=null,e=1){if(super(),this.type="EdgesGeometry",this.parameters={geometry:t,thresholdAngle:e},null!==t){const i=4,s=Math.pow(10,i),r=Math.cos(ys*e),n=t.getIndex(),a=t.getAttribute("position"),o=n?n.count:a.count,h=[0,0,0],l=["a","b","c"],c=new Array(3),u={},d=[];for(let t=0;t<o;t+=3){n?(h[0]=n.getX(t),h[1]=n.getX(t+1),h[2]=n.getX(t+2)):(h[0]=t,h[1]=t+1,h[2]=t+2);const{a:e,b:i,c:o}=Th;if(e.fromBufferAttribute(a,h[0]),i.fromBufferAttribute(a,h[1]),o.fromBufferAttribute(a,h[2]),Th.getNormal(Ah),c[0]=`${Math.round(e.x*s)},${Math.round(e.y*s)},${Math.round(e.z*s)}`,c[1]=`${Math.round(i.x*s)},${Math.round(i.y*s)},${Math.round(i.z*s)}`,c[2]=`${Math.round(o.x*s)},${Math.round(o.y*s)},${Math.round(o.z*s)}`,c[0]!==c[1]&&c[1]!==c[2]&&c[2]!==c[0])for(let t=0;t<3;t++){const e=(t+1)%3,i=c[t],s=c[e],n=Th[l[t]],a=Th[l[e]],o=`${i}_${s}`,p=`${s}_${i}`;p in u&&u[p]?(Ah.dot(u[p].normal)<=r&&(d.push(n.x,n.y,n.z),d.push(a.x,a.y,a.z)),u[p]=null):o in u||(u[o]={index0:h[t],index1:h[e],normal:Ah.clone()})}}for(const t in u)if(u[t]){const{index0:e,index1:i}=u[t];Sh.fromBufferAttribute(a,e),_h.fromBufferAttribute(a,i),d.push(Sh.x,Sh.y,Sh.z),d.push(_h.x,_h.y,_h.z)}this.setAttribute("position",new kn(d,3))}}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}}class Ch{constructor(){this.type="Curve",this.arcLengthDivisions=200,this.needsUpdate=!1,this.cacheArcLengths=null}getPoint(){as("Curve: .getPoint() not implemented.")}getPointAt(t,e){const i=this.getUtoTmapping(t);return this.getPoint(i,e)}getPoints(t=5){const e=[];for(let i=0;i<=t;i++)e.push(this.getPoint(i/t));return e}getSpacedPoints(t=5){const e=[];for(let i=0;i<=t;i++)e.push(this.getPointAt(i/t));return e}getLength(){const t=this.getLengths();return t[t.length-1]}getLengths(t=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===t+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;const e=[];let i,s=this.getPoint(0),r=0;e.push(0);for(let n=1;n<=t;n++)i=this.getPoint(n/t),r+=i.distanceTo(s),e.push(r),s=i;return this.cacheArcLengths=e,e}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(t,e=null){const i=this.getLengths();let s=0;const r=i.length;let n;n=e||t*i[r-1];let a,o=0,h=r-1;for(;o<=h;)if(s=Math.floor(o+(h-o)/2),a=i[s]-n,a<0)o=s+1;else{if(!(a>0)){h=s;break}h=s-1}if(s=h,i[s]===n)return s/(r-1);const l=i[s];return(s+(n-l)/(i[s+1]-l))/(r-1)}getTangent(t,e){const i=1e-4;let s=t-i,r=t+i;s<0&&(s=0),r>1&&(r=1);const n=this.getPoint(s),a=this.getPoint(r),o=e||(n.isVector2?new _s:new Ts);return o.copy(a).sub(n).normalize(),o}getTangentAt(t,e){const i=this.getUtoTmapping(t);return this.getTangent(i,e)}computeFrenetFrames(t,e=!1){const i=new Ts,s=[],r=[],n=[],a=new Ts,o=new Qs;for(let e=0;e<=t;e++){const i=e/t;s[e]=this.getTangentAt(i,new Ts)}r[0]=new Ts,n[0]=new Ts;let h=Number.MAX_VALUE;const l=Math.abs(s[0].x),c=Math.abs(s[0].y),u=Math.abs(s[0].z);l<=h&&(h=l,i.set(1,0,0)),c<=h&&(h=c,i.set(0,1,0)),u<=h&&i.set(0,0,1),a.crossVectors(s[0],i).normalize(),r[0].crossVectors(s[0],a),n[0].crossVectors(s[0],r[0]);for(let e=1;e<=t;e++){if(r[e]=r[e-1].clone(),n[e]=n[e-1].clone(),a.crossVectors(s[e-1],s[e]),a.length()>Number.EPSILON){a.normalize();const t=Math.acos(xs(s[e-1].dot(s[e]),-1,1));r[e].applyMatrix4(o.makeRotationAxis(a,t))}n[e].crossVectors(s[e],r[e])}if(!0===e){let e=Math.acos(xs(r[0].dot(r[t]),-1,1));e/=t,s[0].dot(a.crossVectors(r[0],r[t]))>0&&(e=-e);for(let i=1;i<=t;i++)r[i].applyMatrix4(o.makeRotationAxis(s[i],e*i)),n[i].crossVectors(s[i],r[i])}return{tangents:s,normals:r,binormals:n}}clone(){return(new this.constructor).copy(this)}copy(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}toJSON(){const t={metadata:{version:4.7,type:"Curve",generator:"Curve.toJSON"}};return t.arcLengthDivisions=this.arcLengthDivisions,t.type=this.type,t}fromJSON(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}}class Ih extends Ch{constructor(t=0,e=0,i=1,s=1,r=0,n=2*Math.PI,a=!1,o=0){super(),this.isEllipseCurve=!0,this.type="EllipseCurve",this.aX=t,this.aY=e,this.xRadius=i,this.yRadius=s,this.aStartAngle=r,this.aEndAngle=n,this.aClockwise=a,this.aRotation=o}getPoint(t,e=new _s){const i=e,s=2*Math.PI;let r=this.aEndAngle-this.aStartAngle;const n=Math.abs(r)<Number.EPSILON;for(;r<0;)r+=s;for(;r>s;)r-=s;r<Number.EPSILON&&(r=n?0:s),!0!==this.aClockwise||n||(r===s?r=-s:r-=s);const a=this.aStartAngle+t*r;let o=this.aX+this.xRadius*Math.cos(a),h=this.aY+this.yRadius*Math.sin(a);if(0!==this.aRotation){const t=Math.cos(this.aRotation),e=Math.sin(this.aRotation),i=o-this.aX,s=h-this.aY;o=i*t-s*e+this.aX,h=i*e+s*t+this.aY}return i.set(o,h)}copy(t){return super.copy(t),this.aX=t.aX,this.aY=t.aY,this.xRadius=t.xRadius,this.yRadius=t.yRadius,this.aStartAngle=t.aStartAngle,this.aEndAngle=t.aEndAngle,this.aClockwise=t.aClockwise,this.aRotation=t.aRotation,this}toJSON(){const t=super.toJSON();return t.aX=this.aX,t.aY=this.aY,t.xRadius=this.xRadius,t.yRadius=this.yRadius,t.aStartAngle=this.aStartAngle,t.aEndAngle=this.aEndAngle,t.aClockwise=this.aClockwise,t.aRotation=this.aRotation,t}fromJSON(t){return super.fromJSON(t),this.aX=t.aX,this.aY=t.aY,this.xRadius=t.xRadius,this.yRadius=t.yRadius,this.aStartAngle=t.aStartAngle,this.aEndAngle=t.aEndAngle,this.aClockwise=t.aClockwise,this.aRotation=t.aRotation,this}}class Bh extends Ih{constructor(t,e,i,s,r,n){super(t,e,i,i,s,r,n),this.isArcCurve=!0,this.type="ArcCurve"}}function kh(){let t=0,e=0,i=0,s=0;function r(r,n,a,o){t=r,e=a,i=-3*r+3*n-2*a-o,s=2*r-2*n+a+o}return{initCatmullRom:function(t,e,i,s,n){r(e,i,n*(i-t),n*(s-e))},initNonuniformCatmullRom:function(t,e,i,s,n,a,o){let h=(e-t)/n-(i-t)/(n+a)+(i-e)/a,l=(i-e)/a-(s-e)/(a+o)+(s-i)/o;h*=a,l*=a,r(e,i,h,l)},calc:function(r){const n=r*r;return t+e*r+i*n+s*(n*r)}}}const Oh=new Ts,Ph=new Ts,Rh=new kh,Eh=new kh,Nh=new kh;class Vh extends Ch{constructor(t=[],e=!1,i="centripetal",s=.5){super(),this.isCatmullRomCurve3=!0,this.type="CatmullRomCurve3",this.points=t,this.closed=e,this.curveType=i,this.tension=s}getPoint(t,e=new Ts){const i=e,s=this.points,r=s.length,n=(r-(this.closed?0:1))*t;let a,o,h=Math.floor(n),l=n-h;this.closed?h+=h>0?0:(Math.floor(Math.abs(h)/r)+1)*r:0===l&&h===r-1&&(h=r-2,l=1),this.closed||h>0?a=s[(h-1)%r]:(Ph.subVectors(s[0],s[1]).add(s[0]),a=Ph);const c=s[h%r],u=s[(h+1)%r];if(this.closed||h+2<r?o=s[(h+2)%r]:(Oh.subVectors(s[r-1],s[r-2]).add(s[r-1]),o=Oh),"centripetal"===this.curveType||"chordal"===this.curveType){const t="chordal"===this.curveType?.5:.25;let e=Math.pow(a.distanceToSquared(c),t),i=Math.pow(c.distanceToSquared(u),t),s=Math.pow(u.distanceToSquared(o),t);i<1e-4&&(i=1),e<1e-4&&(e=i),s<1e-4&&(s=i),Rh.initNonuniformCatmullRom(a.x,c.x,u.x,o.x,e,i,s),Eh.initNonuniformCatmullRom(a.y,c.y,u.y,o.y,e,i,s),Nh.initNonuniformCatmullRom(a.z,c.z,u.z,o.z,e,i,s)}else"catmullrom"===this.curveType&&(Rh.initCatmullRom(a.x,c.x,u.x,o.x,this.tension),Eh.initCatmullRom(a.y,c.y,u.y,o.y,this.tension),Nh.initCatmullRom(a.z,c.z,u.z,o.z,this.tension));return i.set(Rh.calc(l),Eh.calc(l),Nh.calc(l)),i}copy(t){super.copy(t),this.points=[];for(let e=0,i=t.points.length;e<i;e++){const i=t.points[e];this.points.push(i.clone())}return this.closed=t.closed,this.curveType=t.curveType,this.tension=t.tension,this}toJSON(){const t=super.toJSON();t.points=[];for(let e=0,i=this.points.length;e<i;e++){const i=this.points[e];t.points.push(i.toArray())}return t.closed=this.closed,t.curveType=this.curveType,t.tension=this.tension,t}fromJSON(t){super.fromJSON(t),this.points=[];for(let e=0,i=t.points.length;e<i;e++){const i=t.points[e];this.points.push((new Ts).fromArray(i))}return this.closed=t.closed,this.curveType=t.curveType,this.tension=t.tension,this}}function Fh(t,e,i,s,r){const n=.5*(s-e),a=.5*(r-i),o=t*t;return(2*i-2*s+n+a)*(t*o)+(-3*i+3*s-2*n-a)*o+n*t+i}function Lh(t,e,i,s){return function(t,e){const i=1-t;return i*i*e}(t,e)+function(t,e){return 2*(1-t)*t*e}(t,i)+function(t,e){return t*t*e}(t,s)}function Dh(t,e,i,s,r){return function(t,e){const i=1-t;return i*i*i*e}(t,e)+function(t,e){const i=1-t;return 3*i*i*t*e}(t,i)+function(t,e){return 3*(1-t)*t*t*e}(t,s)+function(t,e){return t*t*t*e}(t,r)}class jh extends Ch{constructor(t=new _s,e=new _s,i=new _s,s=new _s){super(),this.isCubicBezierCurve=!0,this.type="CubicBezierCurve",this.v0=t,this.v1=e,this.v2=i,this.v3=s}getPoint(t,e=new _s){const i=e,s=this.v0,r=this.v1,n=this.v2,a=this.v3;return i.set(Dh(t,s.x,r.x,n.x,a.x),Dh(t,s.y,r.y,n.y,a.y)),i}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this.v3.copy(t.v3),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t.v3=this.v3.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this.v3.fromArray(t.v3),this}}class Uh extends Ch{constructor(t=new Ts,e=new Ts,i=new Ts,s=new Ts){super(),this.isCubicBezierCurve3=!0,this.type="CubicBezierCurve3",this.v0=t,this.v1=e,this.v2=i,this.v3=s}getPoint(t,e=new Ts){const i=e,s=this.v0,r=this.v1,n=this.v2,a=this.v3;return i.set(Dh(t,s.x,r.x,n.x,a.x),Dh(t,s.y,r.y,n.y,a.y),Dh(t,s.z,r.z,n.z,a.z)),i}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this.v3.copy(t.v3),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t.v3=this.v3.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this.v3.fromArray(t.v3),this}}class Wh extends Ch{constructor(t=new _s,e=new _s){super(),this.isLineCurve=!0,this.type="LineCurve",this.v1=t,this.v2=e}getPoint(t,e=new _s){const i=e;return 1===t?i.copy(this.v2):(i.copy(this.v2).sub(this.v1),i.multiplyScalar(t).add(this.v1)),i}getPointAt(t,e){return this.getPoint(t,e)}getTangent(t,e=new _s){return e.subVectors(this.v2,this.v1).normalize()}getTangentAt(t,e){return this.getTangent(t,e)}copy(t){return super.copy(t),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}class Jh extends Ch{constructor(t=new Ts,e=new Ts){super(),this.isLineCurve3=!0,this.type="LineCurve3",this.v1=t,this.v2=e}getPoint(t,e=new Ts){const i=e;return 1===t?i.copy(this.v2):(i.copy(this.v2).sub(this.v1),i.multiplyScalar(t).add(this.v1)),i}getPointAt(t,e){return this.getPoint(t,e)}getTangent(t,e=new Ts){return e.subVectors(this.v2,this.v1).normalize()}getTangentAt(t,e){return this.getTangent(t,e)}copy(t){return super.copy(t),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}class qh extends Ch{constructor(t=new _s,e=new _s,i=new _s){super(),this.isQuadraticBezierCurve=!0,this.type="QuadraticBezierCurve",this.v0=t,this.v1=e,this.v2=i}getPoint(t,e=new _s){const i=e,s=this.v0,r=this.v1,n=this.v2;return i.set(Lh(t,s.x,r.x,n.x),Lh(t,s.y,r.y,n.y)),i}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}class Hh extends Ch{constructor(t=new Ts,e=new Ts,i=new Ts){super(),this.isQuadraticBezierCurve3=!0,this.type="QuadraticBezierCurve3",this.v0=t,this.v1=e,this.v2=i}getPoint(t,e=new Ts){const i=e,s=this.v0,r=this.v1,n=this.v2;return i.set(Lh(t,s.x,r.x,n.x),Lh(t,s.y,r.y,n.y),Lh(t,s.z,r.z,n.z)),i}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}class Xh extends Ch{constructor(t=[]){super(),this.isSplineCurve=!0,this.type="SplineCurve",this.points=t}getPoint(t,e=new _s){const i=e,s=this.points,r=(s.length-1)*t,n=Math.floor(r),a=r-n,o=s[0===n?n:n-1],h=s[n],l=s[n>s.length-2?s.length-1:n+1],c=s[n>s.length-3?s.length-1:n+2];return i.set(Fh(a,o.x,h.x,l.x,c.x),Fh(a,o.y,h.y,l.y,c.y)),i}copy(t){super.copy(t),this.points=[];for(let e=0,i=t.points.length;e<i;e++){const i=t.points[e];this.points.push(i.clone())}return this}toJSON(){const t=super.toJSON();t.points=[];for(let e=0,i=this.points.length;e<i;e++){const i=this.points[e];t.points.push(i.toArray())}return t}fromJSON(t){super.fromJSON(t),this.points=[];for(let e=0,i=t.points.length;e<i;e++){const i=t.points[e];this.points.push((new _s).fromArray(i))}return this}}var Yh=Object.freeze({__proto__:null,ArcCurve:Bh,CatmullRomCurve3:Vh,CubicBezierCurve:jh,CubicBezierCurve3:Uh,EllipseCurve:Ih,LineCurve:Wh,LineCurve3:Jh,QuadraticBezierCurve:qh,QuadraticBezierCurve3:Hh,SplineCurve:Xh});class Zh extends Ch{constructor(){super(),this.type="CurvePath",this.curves=[],this.autoClose=!1}add(t){this.curves.push(t)}closePath(){const t=this.curves[0].getPoint(0),e=this.curves[this.curves.length-1].getPoint(1);if(!t.equals(e)){const i=!0===t.isVector2?"LineCurve":"LineCurve3";this.curves.push(new Yh[i](e,t))}return this}getPoint(t,e){const i=t*this.getLength(),s=this.getCurveLengths();let r=0;for(;r<s.length;){if(s[r]>=i){const t=s[r]-i,n=this.curves[r],a=n.getLength(),o=0===a?0:1-t/a;return n.getPointAt(o,e)}r++}return null}getLength(){const t=this.getCurveLengths();return t[t.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;const t=[];let e=0;for(let i=0,s=this.curves.length;i<s;i++)e+=this.curves[i].getLength(),t.push(e);return this.cacheLengths=t,t}getSpacedPoints(t=40){const e=[];for(let i=0;i<=t;i++)e.push(this.getPoint(i/t));return this.autoClose&&e.push(e[0]),e}getPoints(t=12){const e=[];let i;for(let s=0,r=this.curves;s<r.length;s++){const n=r[s],a=n.isEllipseCurve?2*t:n.isLineCurve||n.isLineCurve3?1:n.isSplineCurve?t*n.points.length:t,o=n.getPoints(a);for(let t=0;t<o.length;t++){const s=o[t];i&&i.equals(s)||(e.push(s),i=s)}}return this.autoClose&&e.length>1&&!e[e.length-1].equals(e[0])&&e.push(e[0]),e}copy(t){super.copy(t),this.curves=[];for(let e=0,i=t.curves.length;e<i;e++){const i=t.curves[e];this.curves.push(i.clone())}return this.autoClose=t.autoClose,this}toJSON(){const t=super.toJSON();t.autoClose=this.autoClose,t.curves=[];for(let e=0,i=this.curves.length;e<i;e++){const i=this.curves[e];t.curves.push(i.toJSON())}return t}fromJSON(t){super.fromJSON(t),this.autoClose=t.autoClose,this.curves=[];for(let e=0,i=t.curves.length;e<i;e++){const i=t.curves[e];this.curves.push((new Yh[i.type]).fromJSON(i))}return this}}class Gh extends Zh{constructor(t){super(),this.type="Path",this.currentPoint=new _s,t&&this.setFromPoints(t)}setFromPoints(t){this.moveTo(t[0].x,t[0].y);for(let e=1,i=t.length;e<i;e++)this.lineTo(t[e].x,t[e].y);return this}moveTo(t,e){return this.currentPoint.set(t,e),this}lineTo(t,e){const i=new Wh(this.currentPoint.clone(),new _s(t,e));return this.curves.push(i),this.currentPoint.set(t,e),this}quadraticCurveTo(t,e,i,s){const r=new qh(this.currentPoint.clone(),new _s(t,e),new _s(i,s));return this.curves.push(r),this.currentPoint.set(i,s),this}bezierCurveTo(t,e,i,s,r,n){const a=new jh(this.currentPoint.clone(),new _s(t,e),new _s(i,s),new _s(r,n));return this.curves.push(a),this.currentPoint.set(r,n),this}splineThru(t){const e=[this.currentPoint.clone()].concat(t),i=new Xh(e);return this.curves.push(i),this.currentPoint.copy(t[t.length-1]),this}arc(t,e,i,s,r,n){const a=this.currentPoint.x,o=this.currentPoint.y;return this.absarc(t+a,e+o,i,s,r,n),this}absarc(t,e,i,s,r,n){return this.absellipse(t,e,i,i,s,r,n),this}ellipse(t,e,i,s,r,n,a,o){const h=this.currentPoint.x,l=this.currentPoint.y;return this.absellipse(t+h,e+l,i,s,r,n,a,o),this}absellipse(t,e,i,s,r,n,a,o){const h=new Ih(t,e,i,s,r,n,a,o);if(this.curves.length>0){const t=h.getPoint(0);t.equals(this.currentPoint)||this.lineTo(t.x,t.y)}this.curves.push(h);const l=h.getPoint(1);return this.currentPoint.copy(l),this}copy(t){return super.copy(t),this.currentPoint.copy(t.currentPoint),this}toJSON(){const t=super.toJSON();return t.currentPoint=this.currentPoint.toArray(),t}fromJSON(t){return super.fromJSON(t),this.currentPoint.fromArray(t.currentPoint),this}}class $h extends Gh{constructor(t){super(t),this.uuid=fs(),this.type="Shape",this.holes=[]}getPointsHoles(t){const e=[];for(let i=0,s=this.holes.length;i<s;i++)e[i]=this.holes[i].getPoints(t);return e}extractPoints(t){return{shape:this.getPoints(t),holes:this.getPointsHoles(t)}}copy(t){super.copy(t),this.holes=[];for(let e=0,i=t.holes.length;e<i;e++){const i=t.holes[e];this.holes.push(i.clone())}return this}toJSON(){const t=super.toJSON();t.uuid=this.uuid,t.holes=[];for(let e=0,i=this.holes.length;e<i;e++){const i=this.holes[e];t.holes.push(i.toJSON())}return t}fromJSON(t){super.fromJSON(t),this.uuid=t.uuid,this.holes=[];for(let e=0,i=t.holes.length;e<i;e++){const i=t.holes[e];this.holes.push((new Gh).fromJSON(i))}return this}}function Qh(t,e,i=2){const s=e&&e.length,r=s?e[0]*i:t.length;let n=Kh(t,0,r,i,!0);const a=[];if(!n||n.next===n.prev)return a;let o,h,l;if(s&&(n=function(t,e,i,s){const r=[];for(let i=0,n=e.length;i<n;i++){const a=Kh(t,e[i]*s,i<n-1?e[i+1]*s:t.length,s,!1);a===a.next&&(a.steiner=!0),r.push(cl(a))}r.sort(al);for(let t=0;t<r.length;t++)i=ol(r[t],i);return i}(t,e,n,i)),t.length>80*i){o=t[0],h=t[1];let e=o,s=h;for(let n=i;n<r;n+=i){const i=t[n],r=t[n+1];i<o&&(o=i),r<h&&(h=r),i>e&&(e=i),r>s&&(s=r)}l=Math.max(e-o,s-h),l=0!==l?32767/l:0}return el(n,a,i,o,h,l,0),a}function Kh(t,e,i,s,r){let n;if(r===function(t,e,i,s){let r=0;for(let 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t=0,e=z.length,i=e-1,s=t+1;t<e;t++,i++,s++)i===e&&(i=0),s===e&&(s=0),k[t]=B(z[t],z[i],z[s]);const O=[];let P,R,E=k.concat();for(let t=0,e=T;t<e;t++){const e=_[t];P=[];for(let t=0,i=e.length,s=i-1,r=t+1;t<i;t++,s++,r++)s===i&&(s=0),r===i&&(r=0),P[t]=B(e[t],e[s],e[r]);O.push(P),E=E.concat(P)}if(0===p)R=Al.triangulateShape(z,_);else{const t=[],e=[];for(let i=0;i<p;i++){const s=i/p,r=c*Math.cos(s*Math.PI/2),n=u*Math.sin(s*Math.PI/2)+d;for(let e=0,i=z.length;e<i;e++){const i=C(z[e],k[e],n);L(i.x,i.y,-r),0===s&&t.push(i)}for(let t=0,i=T;t<i;t++){const i=_[t];P=O[t];const a=[];for(let t=0,e=i.length;t<e;t++){const e=C(i[t],P[t],n);L(e.x,e.y,-r),0===s&&a.push(e)}0===s&&e.push(a)}}R=Al.triangulateShape(t,e)}const N=R.length,V=u+d;for(let t=0;t<I;t++){const e=l?C(S[t],E[t],V):S[t];w?(b.copy(f.normals[0]).multiplyScalar(e.x),x.copy(f.binormals[0]).multiplyScalar(e.y),v.copy(g[0]).add(b).add(x),L(v.x,v.y,v.z)):L(e.x,e.y,0)}for(let t=1;t<=o;t++)for(let e=0;e<I;e++){const i=l?C(S[e],E[e],V):S[e];w?(b.copy(f.normals[t]).multiplyScalar(i.x),x.copy(f.binormals[t]).multiplyScalar(i.y),v.copy(g[t]).add(b).add(x),L(v.x,v.y,v.z)):L(i.x,i.y,h/o*t)}for(let t=p-1;t>=0;t--){const e=t/p,i=c*Math.cos(e*Math.PI/2),s=u*Math.sin(e*Math.PI/2)+d;for(let t=0,e=z.length;t<e;t++){const e=C(z[t],k[t],s);L(e.x,e.y,h+i)}for(let t=0,e=_.length;t<e;t++){const e=_[t];P=O[t];for(let t=0,r=e.length;t<r;t++){const r=C(e[t],P[t],s);w?L(r.x,r.y+g[o-1].y,g[o-1].x+i):L(r.x,r.y,h+i)}}}function F(t,e){let i=t.length;for(;--i>=0;){const s=i;let r=i-1;r<0&&(r=t.length-1);for(let t=0,i=o+2*p;t<i;t++){const i=I*t,n=I*(t+1);j(e+s+i,e+r+i,e+r+n,e+s+n)}}}function L(t,e,i){n.push(t),n.push(e),n.push(i)}function D(t,e,r){U(t),U(e),U(r);const n=s.length/3,a=y.generateTopUV(i,s,n-3,n-2,n-1);W(a[0]),W(a[1]),W(a[2])}function j(t,e,r,n){U(t),U(e),U(n),U(e),U(r),U(n);const a=s.length/3,o=y.generateSideWallUV(i,s,a-6,a-3,a-2,a-1);W(o[0]),W(o[1]),W(o[3]),W(o[1]),W(o[2]),W(o[3])}function U(t){s.push(n[3*t+0]),s.push(n[3*t+1]),s.push(n[3*t+2])}function W(t){r.push(t.x),r.push(t.y)}!function(){const t=s.length/3;if(l){let t=0,e=I*t;for(let t=0;t<N;t++){const i=R[t];D(i[2]+e,i[1]+e,i[0]+e)}t=o+2*p,e=I*t;for(let t=0;t<N;t++){const i=R[t];D(i[0]+e,i[1]+e,i[2]+e)}}else{for(let t=0;t<N;t++){const e=R[t];D(e[2],e[1],e[0])}for(let t=0;t<N;t++){const e=R[t];D(e[0]+I*o,e[1]+I*o,e[2]+I*o)}}i.addGroup(t,s.length/3-t,0)}(),function(){const t=s.length/3;let e=0;F(z,e),e+=z.length;for(let t=0,i=_.length;t<i;t++){const i=_[t];F(i,e),e+=i.length}i.addGroup(t,s.length/3-t,1)}()}this.setAttribute("position",new kn(s,3)),this.setAttribute("uv",new kn(r,2)),this.computeVertexNormals()}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}toJSON(){const t=super.toJSON();return function(t,e,i){if(i.shapes=[],Array.isArray(t))for(let e=0,s=t.length;e<s;e++){const s=t[e];i.shapes.push(s.uuid)}else i.shapes.push(t.uuid);i.options=Object.assign({},e),void 0!==e.extrudePath&&(i.options.extrudePath=e.extrudePath.toJSON());return i}(this.parameters.shapes,this.parameters.options,t)}static fromJSON(t,e){const i=[];for(let s=0,r=t.shapes.length;s<r;s++){const r=e[t.shapes[s]];i.push(r)}const s=t.options.extrudePath;return void 0!==s&&(t.options.extrudePath=(new Yh[s.type]).fromJSON(s)),new Cl(i,t.options)}}const Il={generateTopUV:function(t,e,i,s,r){const n=e[3*i],a=e[3*i+1],o=e[3*s],h=e[3*s+1],l=e[3*r],c=e[3*r+1];return[new _s(n,a),new _s(o,h),new _s(l,c)]},generateSideWallUV:function(t,e,i,s,r,n){const a=e[3*i],o=e[3*i+1],h=e[3*i+2],l=e[3*s],c=e[3*s+1],u=e[3*s+2],d=e[3*r],p=e[3*r+1],m=e[3*r+2],y=e[3*n],g=e[3*n+1],f=e[3*n+2];return Math.abs(o-c)<Math.abs(a-l)?[new _s(a,1-h),new _s(l,1-u),new _s(d,1-m),new _s(y,1-f)]:[new _s(o,1-h),new _s(c,1-u),new _s(p,1-m),new _s(g,1-f)]}};class Bl extends wh{constructor(t=1,e=0){const i=(1+Math.sqrt(5))/2;super([-1,i,0,1,i,0,-1,-i,0,1,-i,0,0,-1,i,0,1,i,0,-1,-i,0,1,-i,i,0,-1,i,0,1,-i,0,-1,-i,0,1],[0,11,5,0,5,1,0,1,7,0,7,10,0,10,11,1,5,9,5,11,4,11,10,2,10,7,6,7,1,8,3,9,4,3,4,2,3,2,6,3,6,8,3,8,9,4,9,5,2,4,11,6,2,10,8,6,7,9,8,1],t,e),this.type="IcosahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new Bl(t.radius,t.detail)}}class kl extends Wn{constructor(t=[new _s(0,-.5),new _s(.5,0),new _s(0,.5)],e=12,i=0,s=2*Math.PI){super(),this.type="LatheGeometry",this.parameters={points:t,segments:e,phiStart:i,phiLength:s},e=Math.floor(e),s=xs(s,0,2*Math.PI);const r=[],n=[],a=[],o=[],h=[],l=1/e,c=new Ts,u=new _s,d=new Ts,p=new Ts,m=new Ts;let y=0,g=0;for(let e=0;e<=t.length-1;e++)switch(e){case 0:y=t[e+1].x-t[e].x,g=t[e+1].y-t[e].y,d.x=1*g,d.y=-y,d.z=0*g,m.copy(d),d.normalize(),o.push(d.x,d.y,d.z);break;case t.length-1:o.push(m.x,m.y,m.z);break;default:y=t[e+1].x-t[e].x,g=t[e+1].y-t[e].y,d.x=1*g,d.y=-y,d.z=0*g,p.copy(d),d.x+=m.x,d.y+=m.y,d.z+=m.z,d.normalize(),o.push(d.x,d.y,d.z),m.copy(p)}for(let r=0;r<=e;r++){const d=i+r*l*s,p=Math.sin(d),m=Math.cos(d);for(let i=0;i<=t.length-1;i++){c.x=t[i].x*p,c.y=t[i].y,c.z=t[i].x*m,n.push(c.x,c.y,c.z),u.x=r/e,u.y=i/(t.length-1),a.push(u.x,u.y);const s=o[3*i+0]*p,l=o[3*i+1],d=o[3*i+0]*m;h.push(s,l,d)}}for(let i=0;i<e;i++)for(let e=0;e<t.length-1;e++){const s=e+i*t.length,n=s,a=s+t.length,o=s+t.length+1,h=s+1;r.push(n,a,h),r.push(o,h,a)}this.setIndex(r),this.setAttribute("position",new kn(n,3)),this.setAttribute("uv",new kn(a,2)),this.setAttribute("normal",new kn(h,3))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new kl(t.points,t.segments,t.phiStart,t.phiLength)}}class Ol extends wh{constructor(t=1,e=0){super([1,0,0,-1,0,0,0,1,0,0,-1,0,0,0,1,0,0,-1],[0,2,4,0,4,3,0,3,5,0,5,2,1,2,5,1,5,3,1,3,4,1,4,2],t,e),this.type="OctahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new Ol(t.radius,t.detail)}}class Pl extends Wn{constructor(t=1,e=1,i=1,s=1){super(),this.type="PlaneGeometry",this.parameters={width:t,height:e,widthSegments:i,heightSegments:s};const r=t/2,n=e/2,a=Math.floor(i),o=Math.floor(s),h=a+1,l=o+1,c=t/a,u=e/o,d=[],p=[],m=[],y=[];for(let t=0;t<l;t++){const e=t*u-n;for(let i=0;i<h;i++){const s=i*c-r;p.push(s,-e,0),m.push(0,0,1),y.push(i/a),y.push(1-t/o)}}for(let t=0;t<o;t++)for(let e=0;e<a;e++){const i=e+h*t,s=e+h*(t+1),r=e+1+h*(t+1),n=e+1+h*t;d.push(i,s,n),d.push(s,r,n)}this.setIndex(d),this.setAttribute("position",new kn(p,3)),this.setAttribute("normal",new kn(m,3)),this.setAttribute("uv",new kn(y,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Pl(t.width,t.height,t.widthSegments,t.heightSegments)}}class Rl extends Wn{constructor(t=.5,e=1,i=32,s=1,r=0,n=2*Math.PI){super(),this.type="RingGeometry",this.parameters={innerRadius:t,outerRadius:e,thetaSegments:i,phiSegments:s,thetaStart:r,thetaLength:n},i=Math.max(3,i);const a=[],o=[],h=[],l=[];let c=t;const u=(e-t)/(s=Math.max(1,s)),d=new Ts,p=new _s;for(let t=0;t<=s;t++){for(let t=0;t<=i;t++){const s=r+t/i*n;d.x=c*Math.cos(s),d.y=c*Math.sin(s),o.push(d.x,d.y,d.z),h.push(0,0,1),p.x=(d.x/e+1)/2,p.y=(d.y/e+1)/2,l.push(p.x,p.y)}c+=u}for(let t=0;t<s;t++){const e=t*(i+1);for(let t=0;t<i;t++){const s=t+e,r=s,n=s+i+1,o=s+i+2,h=s+1;a.push(r,n,h),a.push(n,o,h)}}this.setIndex(a),this.setAttribute("position",new kn(o,3)),this.setAttribute("normal",new kn(h,3)),this.setAttribute("uv",new kn(l,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Rl(t.innerRadius,t.outerRadius,t.thetaSegments,t.phiSegments,t.thetaStart,t.thetaLength)}}class El extends Wn{constructor(t=new $h([new _s(0,.5),new _s(-.5,-.5),new _s(.5,-.5)]),e=12){super(),this.type="ShapeGeometry",this.parameters={shapes:t,curveSegments:e};const i=[],s=[],r=[],n=[];let a=0,o=0;if(!1===Array.isArray(t))h(t);else for(let e=0;e<t.length;e++)h(t[e]),this.addGroup(a,o,e),a+=o,o=0;function h(t){const a=s.length/3,h=t.extractPoints(e);let l=h.shape;const c=h.holes;!1===Al.isClockWise(l)&&(l=l.reverse());for(let t=0,e=c.length;t<e;t++){const e=c[t];!0===Al.isClockWise(e)&&(c[t]=e.reverse())}const u=Al.triangulateShape(l,c);for(let t=0,e=c.length;t<e;t++){const e=c[t];l=l.concat(e)}for(let t=0,e=l.length;t<e;t++){const e=l[t];s.push(e.x,e.y,0),r.push(0,0,1),n.push(e.x,e.y)}for(let t=0,e=u.length;t<e;t++){const e=u[t],s=e[0]+a,r=e[1]+a,n=e[2]+a;i.push(s,r,n),o+=3}}this.setIndex(i),this.setAttribute("position",new kn(s,3)),this.setAttribute("normal",new kn(r,3)),this.setAttribute("uv",new kn(n,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}toJSON(){const t=super.toJSON();return function(t,e){if(e.shapes=[],Array.isArray(t))for(let i=0,s=t.length;i<s;i++){const s=t[i];e.shapes.push(s.uuid)}else e.shapes.push(t.uuid);return e}(this.parameters.shapes,t)}static fromJSON(t,e){const i=[];for(let s=0,r=t.shapes.length;s<r;s++){const r=e[t.shapes[s]];i.push(r)}return new El(i,t.curveSegments)}}class Nl extends Wn{constructor(t=1,e=32,i=16,s=0,r=2*Math.PI,n=0,a=Math.PI){super(),this.type="SphereGeometry",this.parameters={radius:t,widthSegments:e,heightSegments:i,phiStart:s,phiLength:r,thetaStart:n,thetaLength:a},e=Math.max(3,Math.floor(e)),i=Math.max(2,Math.floor(i));const o=Math.min(n+a,Math.PI);let h=0;const l=[],c=new Ts,u=new Ts,d=[],p=[],m=[],y=[];for(let d=0;d<=i;d++){const g=[],f=d/i,x=n+f*a,b=t*Math.cos(x),v=Math.sqrt(t*t-b*b);let w=0;0===d&&0===n?w=.5/e:d===i&&o===Math.PI&&(w=-.5/e);for(let t=0;t<=e;t++){const i=t/e,n=s+i*r;c.x=-v*Math.cos(n),c.y=b,c.z=v*Math.sin(n),p.push(c.x,c.y,c.z),u.copy(c).normalize(),m.push(u.x,u.y,u.z),y.push(i+w,1-f),g.push(h++)}l.push(g)}for(let t=0;t<i;t++)for(let s=0;s<e;s++){const e=l[t][s+1],r=l[t][s],a=l[t+1][s],h=l[t+1][s+1];(0!==t||n>0)&&d.push(e,r,h),(t!==i-1||o<Math.PI)&&d.push(r,a,h)}this.setIndex(d),this.setAttribute("position",new kn(p,3)),this.setAttribute("normal",new kn(m,3)),this.setAttribute("uv",new kn(y,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Nl(t.radius,t.widthSegments,t.heightSegments,t.phiStart,t.phiLength,t.thetaStart,t.thetaLength)}}class Vl extends wh{constructor(t=1,e=0){super([1,1,1,-1,-1,1,-1,1,-1,1,-1,-1],[2,1,0,0,3,2,1,3,0,2,3,1],t,e),this.type="TetrahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new Vl(t.radius,t.detail)}}class Fl extends Wn{constructor(t=1,e=.4,i=12,s=48,r=2*Math.PI,n=0,a=2*Math.PI){super(),this.type="TorusGeometry",this.parameters={radius:t,tube:e,radialSegments:i,tubularSegments:s,arc:r,thetaStart:n,thetaLength:a},i=Math.floor(i),s=Math.floor(s);const o=[],h=[],l=[],c=[],u=new Ts,d=new Ts,p=new Ts;for(let o=0;o<=i;o++){const m=n+o/i*a;for(let n=0;n<=s;n++){const a=n/s*r;d.x=(t+e*Math.cos(m))*Math.cos(a),d.y=(t+e*Math.cos(m))*Math.sin(a),d.z=e*Math.sin(m),h.push(d.x,d.y,d.z),u.x=t*Math.cos(a),u.y=t*Math.sin(a),p.subVectors(d,u).normalize(),l.push(p.x,p.y,p.z),c.push(n/s),c.push(o/i)}}for(let t=1;t<=i;t++)for(let e=1;e<=s;e++){const i=(s+1)*t+e-1,r=(s+1)*(t-1)+e-1,n=(s+1)*(t-1)+e,a=(s+1)*t+e;o.push(i,r,a),o.push(r,n,a)}this.setIndex(o),this.setAttribute("position",new kn(h,3)),this.setAttribute("normal",new kn(l,3)),this.setAttribute("uv",new kn(c,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Fl(t.radius,t.tube,t.radialSegments,t.tubularSegments,t.arc)}}class Ll extends Wn{constructor(t=1,e=.4,i=64,s=8,r=2,n=3){super(),this.type="TorusKnotGeometry",this.parameters={radius:t,tube:e,tubularSegments:i,radialSegments:s,p:r,q:n},i=Math.floor(i),s=Math.floor(s);const a=[],o=[],h=[],l=[],c=new Ts,u=new Ts,d=new Ts,p=new Ts,m=new Ts,y=new Ts,g=new Ts;for(let a=0;a<=i;++a){const x=a/i*r*Math.PI*2;f(x,r,n,t,d),f(x+.01,r,n,t,p),y.subVectors(p,d),g.addVectors(p,d),m.crossVectors(y,g),g.crossVectors(m,y),m.normalize(),g.normalize();for(let t=0;t<=s;++t){const r=t/s*Math.PI*2,n=-e*Math.cos(r),p=e*Math.sin(r);c.x=d.x+(n*g.x+p*m.x),c.y=d.y+(n*g.y+p*m.y),c.z=d.z+(n*g.z+p*m.z),o.push(c.x,c.y,c.z),u.subVectors(c,d).normalize(),h.push(u.x,u.y,u.z),l.push(a/i),l.push(t/s)}}for(let t=1;t<=i;t++)for(let e=1;e<=s;e++){const i=(s+1)*(t-1)+(e-1),r=(s+1)*t+(e-1),n=(s+1)*t+e,o=(s+1)*(t-1)+e;a.push(i,r,o),a.push(r,n,o)}function f(t,e,i,s,r){const n=Math.cos(t),a=Math.sin(t),o=i/e*t,h=Math.cos(o);r.x=s*(2+h)*.5*n,r.y=s*(2+h)*a*.5,r.z=s*Math.sin(o)*.5}this.setIndex(a),this.setAttribute("position",new kn(o,3)),this.setAttribute("normal",new kn(h,3)),this.setAttribute("uv",new kn(l,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Ll(t.radius,t.tube,t.tubularSegments,t.radialSegments,t.p,t.q)}}class Dl extends Wn{constructor(t=new Hh(new Ts(-1,-1,0),new Ts(-1,1,0),new Ts(1,1,0)),e=64,i=1,s=8,r=!1){super(),this.type="TubeGeometry",this.parameters={path:t,tubularSegments:e,radius:i,radialSegments:s,closed:r};const n=t.computeFrenetFrames(e,r);this.tangents=n.tangents,this.normals=n.normals,this.binormals=n.binormals;const a=new Ts,o=new Ts,h=new _s;let l=new Ts;const c=[],u=[],d=[],p=[];function m(r){l=t.getPointAt(r/e,l);const h=n.normals[r],d=n.binormals[r];for(let t=0;t<=s;t++){const e=t/s*Math.PI*2,r=Math.sin(e),n=-Math.cos(e);o.x=n*h.x+r*d.x,o.y=n*h.y+r*d.y,o.z=n*h.z+r*d.z,o.normalize(),u.push(o.x,o.y,o.z),a.x=l.x+i*o.x,a.y=l.y+i*o.y,a.z=l.z+i*o.z,c.push(a.x,a.y,a.z)}}!function(){for(let t=0;t<e;t++)m(t);m(!1===r?e:0),function(){for(let t=0;t<=e;t++)for(let i=0;i<=s;i++)h.x=t/e,h.y=i/s,d.push(h.x,h.y)}(),function(){for(let t=1;t<=e;t++)for(let e=1;e<=s;e++){const i=(s+1)*(t-1)+(e-1),r=(s+1)*t+(e-1),n=(s+1)*t+e,a=(s+1)*(t-1)+e;p.push(i,r,a),p.push(r,n,a)}}()}(),this.setIndex(p),this.setAttribute("position",new kn(c,3)),this.setAttribute("normal",new kn(u,3)),this.setAttribute("uv",new kn(d,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}toJSON(){const t=super.toJSON();return t.path=this.parameters.path.toJSON(),t}static fromJSON(t){return new Dl((new Yh[t.path.type]).fromJSON(t.path),t.tubularSegments,t.radius,t.radialSegments,t.closed)}}class jl extends Wn{constructor(t=null){if(super(),this.type="WireframeGeometry",this.parameters={geometry:t},null!==t){const e=[],i=new Set,s=new Ts,r=new Ts;if(null!==t.index){const n=t.attributes.position,a=t.index;let o=t.groups;0===o.length&&(o=[{start:0,count:a.count,materialIndex:0}]);for(let t=0,h=o.length;t<h;++t){const h=o[t],l=h.start;for(let t=l,o=l+h.count;t<o;t+=3)for(let o=0;o<3;o++){const h=a.getX(t+o),l=a.getX(t+(o+1)%3);s.fromBufferAttribute(n,h),r.fromBufferAttribute(n,l),!0===Ul(s,r,i)&&(e.push(s.x,s.y,s.z),e.push(r.x,r.y,r.z))}}}else{const n=t.attributes.position;for(let t=0,a=n.count/3;t<a;t++)for(let a=0;a<3;a++){const o=3*t+a,h=3*t+(a+1)%3;s.fromBufferAttribute(n,o),r.fromBufferAttribute(n,h),!0===Ul(s,r,i)&&(e.push(s.x,s.y,s.z),e.push(r.x,r.y,r.z))}}this.setAttribute("position",new kn(e,3))}}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}}function Ul(t,e,i){const s=`${t.x},${t.y},${t.z}-${e.x},${e.y},${e.z}`,r=`${e.x},${e.y},${e.z}-${t.x},${t.y},${t.z}`;return!0!==i.has(s)&&!0!==i.has(r)&&(i.add(s),i.add(r),!0)}var Wl=Object.freeze({__proto__:null,BoxGeometry:gh,CapsuleGeometry:fh,CircleGeometry:xh,ConeGeometry:vh,CylinderGeometry:bh,DodecahedronGeometry:Mh,EdgesGeometry:zh,ExtrudeGeometry:Cl,IcosahedronGeometry:Bl,LatheGeometry:kl,OctahedronGeometry:Ol,PlaneGeometry:Pl,PolyhedronGeometry:wh,RingGeometry:Rl,ShapeGeometry:El,SphereGeometry:Nl,TetrahedronGeometry:Vl,TorusGeometry:Fl,TorusKnotGeometry:Ll,TubeGeometry:Dl,WireframeGeometry:jl});class Jl extends Zn{constructor(t){super(),this.isShadowMaterial=!0,this.type="ShadowMaterial",this.color=new Pr(0),this.transparent=!0,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.fog=t.fog,this}}function ql(t){const e={};for(const i in t){e[i]={};for(const s in t[i]){const r=t[i][s];if(Xl(r))r.isRenderTargetTexture?(as("UniformsUtils: Textures of render targets cannot be cloned via cloneUniforms() or mergeUniforms()."),e[i][s]=null):e[i][s]=r.clone();else if(Array.isArray(r))if(Xl(r[0])){const t=[];for(let e=0,i=r.length;e<i;e++)t[e]=r[e].clone();e[i][s]=t}else e[i][s]=r.slice();else e[i][s]=r}}return e}function Hl(t){const e={};for(let i=0;i<t.length;i++){const s=ql(t[i]);for(const t in s)e[t]=s[t]}return e}function Xl(t){return t&&(t.isColor||t.isMatrix3||t.isMatrix4||t.isVector2||t.isVector3||t.isVector4||t.isTexture||t.isQuaternion)}function Yl(t){const e=t.getRenderTarget();return null===e?t.outputColorSpace:!0===e.isXRRenderTarget?e.texture.colorSpace:Rs.workingColorSpace}const Zl={clone:ql,merge:Hl};class Gl extends Zn{constructor(t){super(),this.isShaderMaterial=!0,this.type="ShaderMaterial",this.defines={},this.uniforms={},this.uniformsGroups=[],this.vertexShader="void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}",this.fragmentShader="void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}",this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.forceSinglePass=!0,this.extensions={clipCullDistance:!1,multiDraw:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv1:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,void 0!==t&&this.setValues(t)}copy(t){return super.copy(t),this.fragmentShader=t.fragmentShader,this.vertexShader=t.vertexShader,this.uniforms=ql(t.uniforms),this.uniformsGroups=function(t){const e=[];for(let i=0;i<t.length;i++)e.push(t[i].clone());return e}(t.uniformsGroups),this.defines=Object.assign({},t.defines),this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.fog=t.fog,this.lights=t.lights,this.clipping=t.clipping,this.extensions=Object.assign({},t.extensions),this.glslVersion=t.glslVersion,this.defaultAttributeValues=Object.assign({},t.defaultAttributeValues),this.index0AttributeName=t.index0AttributeName,this.uniformsNeedUpdate=t.uniformsNeedUpdate,this}toJSON(t){const e=super.toJSON(t);e.glslVersion=this.glslVersion,e.uniforms={};for(const i in this.uniforms){const s=this.uniforms[i].value;s&&s.isTexture?e.uniforms[i]={type:"t",value:s.toJSON(t).uuid}:s&&s.isColor?e.uniforms[i]={type:"c",value:s.getHex()}:s&&s.isVector2?e.uniforms[i]={type:"v2",value:s.toArray()}:s&&s.isVector3?e.uniforms[i]={type:"v3",value:s.toArray()}:s&&s.isVector4?e.uniforms[i]={type:"v4",value:s.toArray()}:s&&s.isMatrix3?e.uniforms[i]={type:"m3",value:s.toArray()}:s&&s.isMatrix4?e.uniforms[i]={type:"m4",value:s.toArray()}:e.uniforms[i]={value:s}}Object.keys(this.defines).length>0&&(e.defines=this.defines),e.vertexShader=this.vertexShader,e.fragmentShader=this.fragmentShader,e.lights=this.lights,e.clipping=this.clipping;const i={};for(const t in this.extensions)!0===this.extensions[t]&&(i[t]=!0);return Object.keys(i).length>0&&(e.extensions=i),e}fromJSON(t,e){if(super.fromJSON(t,e),void 0!==t.uniforms)for(const i in t.uniforms){const s=t.uniforms[i];switch(this.uniforms[i]={},s.type){case"t":this.uniforms[i].value=e[s.value]||null;break;case"c":this.uniforms[i].value=(new Pr).setHex(s.value);break;case"v2":this.uniforms[i].value=(new _s).fromArray(s.value);break;case"v3":this.uniforms[i].value=(new Ts).fromArray(s.value);break;case"v4":this.uniforms[i].value=(new qs).fromArray(s.value);break;case"m3":this.uniforms[i].value=(new Is).fromArray(s.value);break;case"m4":this.uniforms[i].value=(new Qs).fromArray(s.value);break;default:this.uniforms[i].value=s.value}}if(void 0!==t.defines&&(this.defines=t.defines),void 0!==t.vertexShader&&(this.vertexShader=t.vertexShader),void 0!==t.fragmentShader&&(this.fragmentShader=t.fragmentShader),void 0!==t.glslVersion&&(this.glslVersion=t.glslVersion),void 0!==t.extensions)for(const e in t.extensions)this.extensions[e]=t.extensions[e];return void 0!==t.lights&&(this.lights=t.lights),void 0!==t.clipping&&(this.clipping=t.clipping),this}}class $l extends Gl{constructor(t){super(t),this.isRawShaderMaterial=!0,this.type="RawShaderMaterial"}}class Ql extends Zn{constructor(t){super(),this.isMeshStandardMaterial=!0,this.type="MeshStandardMaterial",this.defines={STANDARD:""},this.color=new Pr(16777215),this.roughness=1,this.metalness=0,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Pr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new _s(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.roughnessMap=null,this.metalnessMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new hr,this.envMapIntensity=1,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.defines={STANDARD:""},this.color.copy(t.color),this.roughness=t.roughness,this.metalness=t.metalness,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.roughnessMap=t.roughnessMap,this.metalnessMap=t.metalnessMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.envMapIntensity=t.envMapIntensity,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Kl extends Ql{constructor(t){super(),this.isMeshPhysicalMaterial=!0,this.defines={STANDARD:"",PHYSICAL:""},this.type="MeshPhysicalMaterial",this.anisotropyRotation=0,this.anisotropyMap=null,this.clearcoatMap=null,this.clearcoatRoughness=0,this.clearcoatRoughnessMap=null,this.clearcoatNormalScale=new _s(1,1),this.clearcoatNormalMap=null,this.ior=1.5,Object.defineProperty(this,"reflectivity",{get:function(){return xs(2.5*(this.ior-1)/(this.ior+1),0,1)},set:function(t){this.ior=(1+.4*t)/(1-.4*t)}}),this.iridescenceMap=null,this.iridescenceIOR=1.3,this.iridescenceThicknessRange=[100,400],this.iridescenceThicknessMap=null,this.sheenColor=new Pr(0),this.sheenColorMap=null,this.sheenRoughness=1,this.sheenRoughnessMap=null,this.transmissionMap=null,this.thickness=0,this.thicknessMap=null,this.attenuationDistance=1/0,this.attenuationColor=new Pr(1,1,1),this.specularIntensity=1,this.specularIntensityMap=null,this.specularColor=new Pr(1,1,1),this.specularColorMap=null,this._anisotropy=0,this._clearcoat=0,this._dispersion=0,this._iridescence=0,this._sheen=0,this._transmission=0,this.setValues(t)}get anisotropy(){return this._anisotropy}set anisotropy(t){this._anisotropy>0!=t>0&&this.version++,this._anisotropy=t}get clearcoat(){return this._clearcoat}set clearcoat(t){this._clearcoat>0!=t>0&&this.version++,this._clearcoat=t}get iridescence(){return this._iridescence}set iridescence(t){this._iridescence>0!=t>0&&this.version++,this._iridescence=t}get dispersion(){return this._dispersion}set dispersion(t){this._dispersion>0!=t>0&&this.version++,this._dispersion=t}get sheen(){return this._sheen}set sheen(t){this._sheen>0!=t>0&&this.version++,this._sheen=t}get transmission(){return this._transmission}set transmission(t){this._transmission>0!=t>0&&this.version++,this._transmission=t}copy(t){return super.copy(t),this.defines={STANDARD:"",PHYSICAL:""},this.anisotropy=t.anisotropy,this.anisotropyRotation=t.anisotropyRotation,this.anisotropyMap=t.anisotropyMap,this.clearcoat=t.clearcoat,this.clearcoatMap=t.clearcoatMap,this.clearcoatRoughness=t.clearcoatRoughness,this.clearcoatRoughnessMap=t.clearcoatRoughnessMap,this.clearcoatNormalMap=t.clearcoatNormalMap,this.clearcoatNormalScale.copy(t.clearcoatNormalScale),this.dispersion=t.dispersion,this.ior=t.ior,this.iridescence=t.iridescence,this.iridescenceMap=t.iridescenceMap,this.iridescenceIOR=t.iridescenceIOR,this.iridescenceThicknessRange=[...t.iridescenceThicknessRange],this.iridescenceThicknessMap=t.iridescenceThicknessMap,this.sheen=t.sheen,this.sheenColor.copy(t.sheenColor),this.sheenColorMap=t.sheenColorMap,this.sheenRoughness=t.sheenRoughness,this.sheenRoughnessMap=t.sheenRoughnessMap,this.transmission=t.transmission,this.transmissionMap=t.transmissionMap,this.thickness=t.thickness,this.thicknessMap=t.thicknessMap,this.attenuationDistance=t.attenuationDistance,this.attenuationColor.copy(t.attenuationColor),this.specularIntensity=t.specularIntensity,this.specularIntensityMap=t.specularIntensityMap,this.specularColor.copy(t.specularColor),this.specularColorMap=t.specularColorMap,this}}class tc extends Zn{constructor(t){super(),this.isMeshPhongMaterial=!0,this.type="MeshPhongMaterial",this.color=new Pr(16777215),this.specular=new Pr(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Pr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new _s(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new hr,this.combine=0,this.reflectivity=1,this.envMapIntensity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.specular.copy(t.specular),this.shininess=t.shininess,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.envMapIntensity=t.envMapIntensity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class ec extends Zn{constructor(t){super(),this.isMeshToonMaterial=!0,this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new Pr(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Pr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new _s(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.gradientMap=t.gradientMap,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}class ic extends Zn{constructor(t){super(),this.isMeshNormalMaterial=!0,this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new _s(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.flatShading=t.flatShading,this}}class sc extends Zn{constructor(t){super(),this.isMeshLambertMaterial=!0,this.type="MeshLambertMaterial",this.color=new Pr(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Pr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new _s(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new hr,this.combine=0,this.reflectivity=1,this.envMapIntensity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.envMapIntensity=t.envMapIntensity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class rc extends Zn{constructor(t){super(),this.isMeshDepthMaterial=!0,this.type="MeshDepthMaterial",this.depthPacking=3200,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.setValues(t)}copy(t){return super.copy(t),this.depthPacking=t.depthPacking,this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this}}class nc extends Zn{constructor(t){super(),this.isMeshDistanceMaterial=!0,this.type="MeshDistanceMaterial",this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.setValues(t)}copy(t){return super.copy(t),this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this}}class ac extends Zn{constructor(t){super(),this.isMeshMatcapMaterial=!0,this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new Pr(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new _s(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.defines={MATCAP:""},this.color.copy(t.color),this.matcap=t.matcap,this.map=t.map,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.flatShading=t.flatShading,this.fog=t.fog,this}}class oc extends Vo{constructor(t){super(),this.isLineDashedMaterial=!0,this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(t)}copy(t){return super.copy(t),this.scale=t.scale,this.dashSize=t.dashSize,this.gapSize=t.gapSize,this}}function hc(t,e){return t&&t.constructor!==e?"number"==typeof e.BYTES_PER_ELEMENT?new e(t):Array.prototype.slice.call(t):t}function lc(t){const e=t.length,i=new Array(e);for(let t=0;t!==e;++t)i[t]=t;return i.sort(function(e,i){return t[e]-t[i]}),i}function cc(t,e,i){const s=t.length,r=new t.constructor(s);for(let n=0,a=0;a!==s;++n){const s=i[n]*e;for(let i=0;i!==e;++i)r[a++]=t[s+i]}return r}function uc(t,e,i,s){let r=1,n=t[0];for(;void 0!==n&&void 0===n[s];)n=t[r++];if(void 0===n)return;let a=n[s];if(void 0!==a)if(Array.isArray(a))do{a=n[s],void 0!==a&&(e.push(n.time),i.push(...a)),n=t[r++]}while(void 0!==n);else if(void 0!==a.toArray)do{a=n[s],void 0!==a&&(e.push(n.time),a.toArray(i,i.length)),n=t[r++]}while(void 0!==n);else do{a=n[s],void 0!==a&&(e.push(n.time),i.push(a)),n=t[r++]}while(void 0!==n)}class dc{static convertArray(t,e){return hc(t,e)}static isTypedArray(t){return $i(t)}static getKeyframeOrder(t){return lc(t)}static sortedArray(t,e,i){return cc(t,e,i)}static flattenJSON(t,e,i,s){uc(t,e,i,s)}static subclip(t,e,i,s,r=30){return function(t,e,i,s,r=30){const n=t.clone();n.name=e;const a=[];for(let t=0;t<n.tracks.length;++t){const e=n.tracks[t],o=e.getValueSize(),h=[],l=[];for(let t=0;t<e.times.length;++t){const n=e.times[t]*r;if(!(n<i||n>=s)){h.push(e.times[t]);for(let i=0;i<o;++i)l.push(e.values[t*o+i])}}0!==h.length&&(e.times=hc(h,e.times.constructor),e.values=hc(l,e.values.constructor),a.push(e))}n.tracks=a;let o=1/0;for(let t=0;t<n.tracks.length;++t)o>n.tracks[t].times[0]&&(o=n.tracks[t].times[0]);for(let t=0;t<n.tracks.length;++t)n.tracks[t].shift(-1*o);return n.resetDuration(),n}(t,e,i,s,r)}static makeClipAdditive(t,e=0,i=t,s=30){return function(t,e=0,i=t,s=30){s<=0&&(s=30);const r=i.tracks.length,n=e/s;for(let e=0;e<r;++e){const s=i.tracks[e],r=s.ValueTypeName;if("bool"===r||"string"===r)continue;const a=t.tracks.find(function(t){return t.name===s.name&&t.ValueTypeName===r});if(void 0===a)continue;let o=0;const h=s.getValueSize();s.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(o=h/3);let l=0;const c=a.getValueSize();a.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(l=c/3);const u=s.times.length-1;let d;if(n<=s.times[0]){const t=o,e=h-o;d=s.values.slice(t,e)}else if(n>=s.times[u]){const t=u*h+o,e=t+h-o;d=s.values.slice(t,e)}else{const t=s.createInterpolant(),e=o,i=h-o;t.evaluate(n),d=t.resultBuffer.slice(e,i)}"quaternion"===r&&(new As).fromArray(d).normalize().conjugate().toArray(d);const p=a.times.length;for(let t=0;t<p;++t){const e=t*c+l;if("quaternion"===r)As.multiplyQuaternionsFlat(a.values,e,d,0,a.values,e);else{const t=c-2*l;for(let i=0;i<t;++i)a.values[e+i]-=d[i]}}}return t.blendMode=Je,t}(t,e,i,s)}}class pc{constructor(t,e,i,s){this.parameterPositions=t,this._cachedIndex=0,this.resultBuffer=void 0!==s?s:new e.constructor(i),this.sampleValues=e,this.valueSize=i,this.settings=null,this.DefaultSettings_={}}evaluate(t){const e=this.parameterPositions;let i=this._cachedIndex,s=e[i],r=e[i-1];t:{e:{let n;i:{s:if(!(t<s)){for(let n=i+2;;){if(void 0===s){if(t<r)break s;return i=e.length,this._cachedIndex=i,this.copySampleValue_(i-1)}if(i===n)break;if(r=s,s=e[++i],t<s)break e}n=e.length;break i}if(!(t>=r)){const a=e[1];t<a&&(i=2,r=a);for(let n=i-2;;){if(void 0===r)return this._cachedIndex=0,this.copySampleValue_(0);if(i===n)break;if(s=r,r=e[--i-1],t>=r)break e}n=i,i=0;break i}break t}for(;i<n;){const s=i+n>>>1;t<e[s]?n=s:i=s+1}if(s=e[i],r=e[i-1],void 0===r)return this._cachedIndex=0,this.copySampleValue_(0);if(void 0===s)return i=e.length,this._cachedIndex=i,this.copySampleValue_(i-1)}this._cachedIndex=i,this.intervalChanged_(i,r,s)}return this.interpolate_(i,r,t,s)}getSettings_(){return this.settings||this.DefaultSettings_}copySampleValue_(t){const e=this.resultBuffer,i=this.sampleValues,s=this.valueSize,r=t*s;for(let t=0;t!==s;++t)e[t]=i[r+t];return e}interpolate_(){throw new Error("THREE.Interpolant: Call to abstract method.")}intervalChanged_(){}}class mc extends pc{constructor(t,e,i,s){super(t,e,i,s),this._weightPrev=-0,this._offsetPrev=-0,this._weightNext=-0,this._offsetNext=-0,this.DefaultSettings_={endingStart:De,endingEnd:De}}intervalChanged_(t,e,i){const s=this.parameterPositions;let r=t-2,n=t+1,a=s[r],o=s[n];if(void 0===a)switch(this.getSettings_().endingStart){case je:r=t,a=2*e-i;break;case Ue:r=s.length-2,a=e+s[r]-s[r+1];break;default:r=t,a=i}if(void 0===o)switch(this.getSettings_().endingEnd){case je:n=t,o=2*i-e;break;case Ue:n=1,o=i+s[1]-s[0];break;default:n=t-1,o=e}const h=.5*(i-e),l=this.valueSize;this._weightPrev=h/(e-a),this._weightNext=h/(o-i),this._offsetPrev=r*l,this._offsetNext=n*l}interpolate_(t,e,i,s){const r=this.resultBuffer,n=this.sampleValues,a=this.valueSize,o=t*a,h=o-a,l=this._offsetPrev,c=this._offsetNext,u=this._weightPrev,d=this._weightNext,p=(i-e)/(s-e),m=p*p,y=m*p,g=-u*y+2*u*m-u*p,f=(1+u)*y+(-1.5-2*u)*m+(-.5+u)*p+1,x=(-1-d)*y+(1.5+d)*m+.5*p,b=d*y-d*m;for(let t=0;t!==a;++t)r[t]=g*n[l+t]+f*n[h+t]+x*n[o+t]+b*n[c+t];return r}}class yc extends pc{constructor(t,e,i,s){super(t,e,i,s)}interpolate_(t,e,i,s){const r=this.resultBuffer,n=this.sampleValues,a=this.valueSize,o=t*a,h=o-a,l=(i-e)/(s-e),c=1-l;for(let t=0;t!==a;++t)r[t]=n[h+t]*c+n[o+t]*l;return r}}class gc extends pc{constructor(t,e,i,s){super(t,e,i,s)}interpolate_(t){return this.copySampleValue_(t-1)}}class fc extends pc{interpolate_(t,e,i,s){const r=this.resultBuffer,n=this.sampleValues,a=this.valueSize,o=t*a,h=o-a,l=this.inTangents,c=this.outTangents;if(!l||!c){const t=(i-e)/(s-e),l=1-t;for(let e=0;e!==a;++e)r[e]=n[h+e]*l+n[o+e]*t;return r}const u=2*a,d=t-1;for(let p=0;p!==a;++p){const a=n[h+p],m=n[o+p],y=d*u+2*p,g=c[y],f=c[y+1],x=t*u+2*p,b=l[x],v=l[x+1];let w,M,S,_,A,T=(i-e)/(s-e);for(let t=0;t<8;t++){w=T*T,M=w*T,S=1-T,_=S*S,A=_*S;const t=A*e+3*_*T*g+3*S*w*b+M*s-i;if(Math.abs(t)<1e-10)break;const r=3*_*(g-e)+6*S*T*(b-g)+3*w*(s-b);if(Math.abs(r)<1e-10)break;T-=t/r,T=Math.max(0,Math.min(1,T))}r[p]=A*a+3*_*T*f+3*S*w*v+M*m}return r}}class xc{constructor(t,e,i,s){if(void 0===t)throw new Error("THREE.KeyframeTrack: track name is undefined");if(void 0===e||0===e.length)throw new Error("THREE.KeyframeTrack: no keyframes in track named "+t);this.name=t,this.times=hc(e,this.TimeBufferType),this.values=hc(i,this.ValueBufferType),this.setInterpolation(s||this.DefaultInterpolation)}static toJSON(t){const e=t.constructor;let i;if(e.toJSON!==this.toJSON)i=e.toJSON(t);else{i={name:t.name,times:hc(t.times,Array),values:hc(t.values,Array)};const e=t.getInterpolation();e!==t.DefaultInterpolation&&(i.interpolation=e)}return i.type=t.ValueTypeName,i}InterpolantFactoryMethodDiscrete(t){return new gc(this.times,this.values,this.getValueSize(),t)}InterpolantFactoryMethodLinear(t){return new yc(this.times,this.values,this.getValueSize(),t)}InterpolantFactoryMethodSmooth(t){return new mc(this.times,this.values,this.getValueSize(),t)}InterpolantFactoryMethodBezier(t){const e=new fc(this.times,this.values,this.getValueSize(),t);return this.settings&&(e.inTangents=this.settings.inTangents,e.outTangents=this.settings.outTangents),e}setInterpolation(t){let e;switch(t){case Ne:e=this.InterpolantFactoryMethodDiscrete;break;case Ve:e=this.InterpolantFactoryMethodLinear;break;case Fe:e=this.InterpolantFactoryMethodSmooth;break;case Le:e=this.InterpolantFactoryMethodBezier}if(void 0===e){const e="unsupported interpolation for "+this.ValueTypeName+" keyframe track named "+this.name;if(void 0===this.createInterpolant){if(t===this.DefaultInterpolation)throw new Error(e);this.setInterpolation(this.DefaultInterpolation)}return as("KeyframeTrack:",e),this}return this.createInterpolant=e,this}getInterpolation(){switch(this.createInterpolant){case this.InterpolantFactoryMethodDiscrete:return Ne;case this.InterpolantFactoryMethodLinear:return Ve;case this.InterpolantFactoryMethodSmooth:return Fe;case this.InterpolantFactoryMethodBezier:return Le}}getValueSize(){return this.values.length/this.times.length}shift(t){if(0!==t){const e=this.times;for(let i=0,s=e.length;i!==s;++i)e[i]+=t}return this}scale(t){if(1!==t){const e=this.times;for(let i=0,s=e.length;i!==s;++i)e[i]*=t}return this}trim(t,e){const i=this.times,s=i.length;let r=0,n=s-1;for(;r!==s&&i[r]<t;)++r;for(;-1!==n&&i[n]>e;)--n;if(++n,0!==r||n!==s){r>=n&&(n=Math.max(n,1),r=n-1);const t=this.getValueSize();this.times=i.slice(r,n),this.values=this.values.slice(r*t,n*t)}return this}validate(){let t=!0;const e=this.getValueSize();e-Math.floor(e)!==0&&(os("KeyframeTrack: Invalid value size in track.",this),t=!1);const i=this.times,s=this.values,r=i.length;0===r&&(os("KeyframeTrack: Track is empty.",this),t=!1);let n=null;for(let e=0;e!==r;e++){const s=i[e];if("number"==typeof s&&isNaN(s)){os("KeyframeTrack: Time is not a valid number.",this,e,s),t=!1;break}if(null!==n&&n>s){os("KeyframeTrack: Out of order keys.",this,e,s,n),t=!1;break}n=s}if(void 0!==s&&$i(s))for(let e=0,i=s.length;e!==i;++e){const i=s[e];if(isNaN(i)){os("KeyframeTrack: Value is not a valid number.",this,e,i),t=!1;break}}return t}optimize(){const t=this.times.slice(),e=this.values.slice(),i=this.getValueSize(),s=this.getInterpolation()===Fe,r=t.length-1;let n=1;for(let a=1;a<r;++a){let r=!1;const o=t[a];if(o!==t[a+1]&&(1!==a||o!==t[0]))if(s)r=!0;else{const t=a*i,s=t-i,n=t+i;for(let a=0;a!==i;++a){const i=e[t+a];if(i!==e[s+a]||i!==e[n+a]){r=!0;break}}}if(r){if(a!==n){t[n]=t[a];const s=a*i,r=n*i;for(let t=0;t!==i;++t)e[r+t]=e[s+t]}++n}}if(r>0){t[n]=t[r];for(let t=r*i,s=n*i,a=0;a!==i;++a)e[s+a]=e[t+a];++n}return n!==t.length?(this.times=t.slice(0,n),this.values=e.slice(0,n*i)):(this.times=t,this.values=e),this}clone(){const t=this.times.slice(),e=this.values.slice(),i=new(0,this.constructor)(this.name,t,e);return i.createInterpolant=this.createInterpolant,i}}xc.prototype.ValueTypeName="",xc.prototype.TimeBufferType=Float32Array,xc.prototype.ValueBufferType=Float32Array,xc.prototype.DefaultInterpolation=Ve;class bc extends xc{constructor(t,e,i){super(t,e,i)}}bc.prototype.ValueTypeName="bool",bc.prototype.ValueBufferType=Array,bc.prototype.DefaultInterpolation=Ne,bc.prototype.InterpolantFactoryMethodLinear=void 0,bc.prototype.InterpolantFactoryMethodSmooth=void 0;class vc extends xc{constructor(t,e,i,s){super(t,e,i,s)}}vc.prototype.ValueTypeName="color";class wc extends xc{constructor(t,e,i,s){super(t,e,i,s)}}wc.prototype.ValueTypeName="number";class Mc extends pc{constructor(t,e,i,s){super(t,e,i,s)}interpolate_(t,e,i,s){const r=this.resultBuffer,n=this.sampleValues,a=this.valueSize,o=(i-e)/(s-e);let h=t*a;for(let t=h+a;h!==t;h+=4)As.slerpFlat(r,0,n,h-a,n,h,o);return r}}class Sc extends xc{constructor(t,e,i,s){super(t,e,i,s)}InterpolantFactoryMethodLinear(t){return new Mc(this.times,this.values,this.getValueSize(),t)}}Sc.prototype.ValueTypeName="quaternion",Sc.prototype.InterpolantFactoryMethodSmooth=void 0;class _c extends xc{constructor(t,e,i){super(t,e,i)}}_c.prototype.ValueTypeName="string",_c.prototype.ValueBufferType=Array,_c.prototype.DefaultInterpolation=Ne,_c.prototype.InterpolantFactoryMethodLinear=void 0,_c.prototype.InterpolantFactoryMethodSmooth=void 0;class Ac extends xc{constructor(t,e,i,s){super(t,e,i,s)}}Ac.prototype.ValueTypeName="vector";class Tc{constructor(t="",e=-1,i=[],s=2500){this.name=t,this.tracks=i,this.duration=e,this.blendMode=s,this.uuid=fs(),this.userData={},this.duration<0&&this.resetDuration()}static parse(t){const e=[],i=t.tracks,s=1/(t.fps||1);for(let t=0,r=i.length;t!==r;++t)e.push(zc(i[t]).scale(s));const r=new this(t.name,t.duration,e,t.blendMode);return r.uuid=t.uuid,r.userData=JSON.parse(t.userData||"{}"),r}static toJSON(t){const e=[],i=t.tracks,s={name:t.name,duration:t.duration,tracks:e,uuid:t.uuid,blendMode:t.blendMode,userData:JSON.stringify(t.userData)};for(let t=0,s=i.length;t!==s;++t)e.push(xc.toJSON(i[t]));return s}static CreateFromMorphTargetSequence(t,e,i,s){const r=e.length,n=[];for(let t=0;t<r;t++){let a=[],o=[];a.push((t+r-1)%r,t,(t+1)%r),o.push(0,1,0);const h=lc(a);a=cc(a,1,h),o=cc(o,1,h),s||0!==a[0]||(a.push(r),o.push(o[0])),n.push(new wc(".morphTargetInfluences["+e[t].name+"]",a,o).scale(1/i))}return new this(t,-1,n)}static findByName(t,e){let i=t;if(!Array.isArray(t)){const e=t;i=e.geometry&&e.geometry.animations||e.animations}for(let t=0;t<i.length;t++)if(i[t].name===e)return i[t];return null}static CreateClipsFromMorphTargetSequences(t,e,i){const s={},r=/^([\w-]*?)([\d]+)$/;for(let e=0,i=t.length;e<i;e++){const i=t[e],n=i.name.match(r);if(n&&n.length>1){const t=n[1];let e=s[t];e||(s[t]=e=[]),e.push(i)}}const n=[];for(const t in s)n.push(this.CreateFromMorphTargetSequence(t,s[t],e,i));return n}resetDuration(){let t=0;for(let e=0,i=this.tracks.length;e!==i;++e){const i=this.tracks[e];t=Math.max(t,i.times[i.times.length-1])}return this.duration=t,this}trim(){for(let t=0;t<this.tracks.length;t++)this.tracks[t].trim(0,this.duration);return this}validate(){let t=!0;for(let e=0;e<this.tracks.length;e++)t=t&&this.tracks[e].validate();return t}optimize(){for(let t=0;t<this.tracks.length;t++)this.tracks[t].optimize();return this}clone(){const t=[];for(let e=0;e<this.tracks.length;e++)t.push(this.tracks[e].clone());const e=new this.constructor(this.name,this.duration,t,this.blendMode);return e.userData=JSON.parse(JSON.stringify(this.userData)),e}toJSON(){return this.constructor.toJSON(this)}}function zc(t){if(void 0===t.type)throw new Error("THREE.KeyframeTrack: track type undefined, can not parse");const e=function(t){switch(t.toLowerCase()){case"scalar":case"double":case"float":case"number":case"integer":return wc;case"vector":case"vector2":case"vector3":case"vector4":return Ac;case"color":return vc;case"quaternion":return Sc;case"bool":case"boolean":return bc;case"string":return _c}throw new Error("THREE.KeyframeTrack: Unsupported typeName: "+t)}(t.type);if(void 0===t.times){const e=[],i=[];uc(t.keys,e,i,"value"),t.times=e,t.values=i}return void 0!==e.parse?e.parse(t):new e(t.name,t.times,t.values,t.interpolation)}const Cc={enabled:!1,files:{},add:function(t,e){!1!==this.enabled&&(Ic(t)||(this.files[t]=e))},get:function(t){if(!1!==this.enabled&&!Ic(t))return this.files[t]},remove:function(t){delete this.files[t]},clear:function(){this.files={}}};function Ic(t){try{const e=t.slice(t.indexOf(":")+1);return"blob:"===new URL(e).protocol}catch(t){return!1}}class Bc{constructor(t,e,i){const s=this;let r,n=!1,a=0,o=0;const h=[];this.onStart=void 0,this.onLoad=t,this.onProgress=e,this.onError=i,this._abortController=null,this.itemStart=function(t){o++,!1===n&&void 0!==s.onStart&&s.onStart(t,a,o),n=!0},this.itemEnd=function(t){a++,void 0!==s.onProgress&&s.onProgress(t,a,o),a===o&&(n=!1,void 0!==s.onLoad&&s.onLoad())},this.itemError=function(t){void 0!==s.onError&&s.onError(t)},this.resolveURL=function(t){return t=t.normalize("NFC"),r?r(t):t},this.setURLModifier=function(t){return r=t,this},this.addHandler=function(t,e){return h.push(t,e),this},this.removeHandler=function(t){const e=h.indexOf(t);return-1!==e&&h.splice(e,2),this},this.getHandler=function(t){for(let e=0,i=h.length;e<i;e+=2){const i=h[e],s=h[e+1];if(i.global&&(i.lastIndex=0),i.test(t))return s}return null},this.abort=function(){return this.abortController.abort(),this._abortController=null,this}}get abortController(){return this._abortController||(this._abortController=new AbortController),this._abortController}}const kc=new Bc;class Oc{constructor(t){this.manager=void 0!==t?t:kc,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}load(){}loadAsync(t,e){const i=this;return new Promise(function(s,r){i.load(t,s,e,r)})}parse(){}setCrossOrigin(t){return this.crossOrigin=t,this}setWithCredentials(t){return this.withCredentials=t,this}setPath(t){return this.path=t,this}setResourcePath(t){return this.resourcePath=t,this}setRequestHeader(t){return this.requestHeader=t,this}abort(){return this}}Oc.DEFAULT_MATERIAL_NAME="__DEFAULT";const Pc={};class Rc extends Error{constructor(t,e){super(t),this.response=e}}class Ec extends Oc{constructor(t){super(t),this.mimeType="",this.responseType="",this._abortController=new AbortController}load(t,e,i,s){void 0===t&&(t=""),void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=Cc.get(`file:${t}`);if(void 0!==r)return this.manager.itemStart(t),void setTimeout(()=>{e&&e(r),this.manager.itemEnd(t)},0);if(void 0!==Pc[t])return void Pc[t].push({onLoad:e,onProgress:i,onError:s});Pc[t]=[],Pc[t].push({onLoad:e,onProgress:i,onError:s});const n=new Request(t,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin",signal:"function"==typeof AbortSignal.any?AbortSignal.any([this._abortController.signal,this.manager.abortController.signal]):this._abortController.signal}),a=this.mimeType,o=this.responseType;fetch(n).then(e=>{if(200===e.status||0===e.status){if(0===e.status&&as("FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===e.body||void 0===e.body.getReader)return e;const i=Pc[t],s=e.body.getReader(),r=e.headers.get("X-File-Size")||e.headers.get("Content-Length"),n=r?parseInt(r):0,a=0!==n;let o=0;const h=new ReadableStream({start(t){!function e(){s.read().then(({done:s,value:r})=>{if(s)t.close();else{o+=r.byteLength;const s=new ProgressEvent("progress",{lengthComputable:a,loaded:o,total:n});for(let t=0,e=i.length;t<e;t++){const e=i[t];e.onProgress&&e.onProgress(s)}t.enqueue(r),e()}},e=>{t.error(e)})}()}});return new Response(h)}throw new Rc(`fetch for "${e.url}" responded with ${e.status}: ${e.statusText}`,e)}).then(t=>{switch(o){case"arraybuffer":return t.arrayBuffer();case"blob":return t.blob();case"document":return t.text().then(t=>(new DOMParser).parseFromString(t,a));case"json":return t.json();default:if(""===a)return t.text();{const e=/charset="?([^;"\s]*)"?/i.exec(a),i=e&&e[1]?e[1].toLowerCase():void 0,s=new TextDecoder(i);return t.arrayBuffer().then(t=>s.decode(t))}}}).then(e=>{Cc.add(`file:${t}`,e);const i=Pc[t];delete Pc[t];for(let t=0,s=i.length;t<s;t++){const s=i[t];s.onLoad&&s.onLoad(e)}}).catch(e=>{const i=Pc[t];if(void 0===i)throw this.manager.itemError(t),e;delete Pc[t];for(let t=0,s=i.length;t<s;t++){const s=i[t];s.onError&&s.onError(e)}this.manager.itemError(t)}).finally(()=>{this.manager.itemEnd(t)}),this.manager.itemStart(t)}setResponseType(t){return this.responseType=t,this}setMimeType(t){return this.mimeType=t,this}abort(){return this._abortController.abort(),this._abortController=new AbortController,this}}class Nc extends Oc{constructor(t){super(t)}load(t,e,i,s){const r=this,n=new Ec(this.manager);n.setPath(this.path),n.setRequestHeader(this.requestHeader),n.setWithCredentials(this.withCredentials),n.load(t,function(i){try{e(r.parse(JSON.parse(i)))}catch(e){s?s(e):os(e),r.manager.itemError(t)}},i,s)}parse(t){const e=[];for(let i=0;i<t.length;i++){const s=Tc.parse(t[i]);e.push(s)}return e}}class Vc extends Oc{constructor(t){super(t)}load(t,e,i,s){const r=this,n=[],a=new oh,o=new Ec(this.manager);o.setPath(this.path),o.setResponseType("arraybuffer"),o.setRequestHeader(this.requestHeader),o.setWithCredentials(r.withCredentials);let h=0;function l(l){o.load(t[l],function(t){const i=r.parse(t,!0);n[l]={width:i.width,height:i.height,format:i.format,mipmaps:i.mipmaps},h+=1,6===h&&(1===i.mipmapCount&&(a.minFilter=Mt),a.image=n,a.format=i.format,a.needsUpdate=!0,e&&e(a))},i,s)}if(Array.isArray(t))for(let e=0,i=t.length;e<i;++e)l(e);else o.load(t,function(t){const i=r.parse(t,!0);if(i.isCubemap){const t=i.mipmaps.length/i.mipmapCount;for(let e=0;e<t;e++){n[e]={mipmaps:[]};for(let t=0;t<i.mipmapCount;t++)n[e].mipmaps.push(i.mipmaps[e*i.mipmapCount+t]),n[e].format=i.format,n[e].width=i.width,n[e].height=i.height}a.image=n}else a.image.width=i.width,a.image.height=i.height,a.mipmaps=i.mipmaps;1===i.mipmapCount&&(a.minFilter=Mt),a.format=i.format,a.needsUpdate=!0,e&&e(a)},i,s);return a}}const Fc=new WeakMap;class Lc extends Oc{constructor(t){super(t)}load(t,e,i,s){void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=this,n=Cc.get(`image:${t}`);if(void 0!==n){if(!0===n.complete)r.manager.itemStart(t),setTimeout(function(){e&&e(n),r.manager.itemEnd(t)},0);else{let t=Fc.get(n);void 0===t&&(t=[],Fc.set(n,t)),t.push({onLoad:e,onError:s})}return n}const a=Qi("img");function o(){l(),e&&e(this);const i=Fc.get(this)||[];for(let t=0;t<i.length;t++){const e=i[t];e.onLoad&&e.onLoad(this)}Fc.delete(this),r.manager.itemEnd(t)}function h(e){l(),s&&s(e),Cc.remove(`image:${t}`);const i=Fc.get(this)||[];for(let t=0;t<i.length;t++){const s=i[t];s.onError&&s.onError(e)}Fc.delete(this),r.manager.itemError(t),r.manager.itemEnd(t)}function l(){a.removeEventListener("load",o,!1),a.removeEventListener("error",h,!1)}return a.addEventListener("load",o,!1),a.addEventListener("error",h,!1),"data:"!==t.slice(0,5)&&void 0!==this.crossOrigin&&(a.crossOrigin=this.crossOrigin),Cc.add(`image:${t}`,a),r.manager.itemStart(t),a.src=t,a}}class Dc extends Oc{constructor(t){super(t)}load(t,e,i,s){const r=new ch;r.colorSpace=ei;const n=new Lc(this.manager);n.setCrossOrigin(this.crossOrigin),n.setPath(this.path);let a=0;function o(i){n.load(t[i],function(t){r.images[i]=t,a++,6===a&&(r.needsUpdate=!0,e&&e(r))},void 0,s)}for(let e=0;e<t.length;++e)o(e);return r}}class jc extends Oc{constructor(t){super(t)}load(t,e,i,s){const r=this,n=new Xa,a=new Ec(this.manager);return a.setResponseType("arraybuffer"),a.setRequestHeader(this.requestHeader),a.setPath(this.path),a.setWithCredentials(r.withCredentials),a.load(t,function(t){let i;try{i=r.parse(t)}catch(t){return void(void 0!==s?s(t):os(t))}r._applyTexData(n,i),e&&e(n,i)},i,s),n}createDataTexture(t){const e=new Xa;return this._applyTexData(e,this.parse(t)),e}_applyTexData(t,e){void 0!==e.image?t.image=e.image:void 0!==e.data&&(t.image.width=e.width,t.image.height=e.height,t.image.data=e.data),t.wrapS=void 0!==e.wrapS?e.wrapS:yt,t.wrapT=void 0!==e.wrapT?e.wrapT:yt,t.magFilter=void 0!==e.magFilter?e.magFilter:Mt,t.minFilter=void 0!==e.minFilter?e.minFilter:Mt,t.anisotropy=void 0!==e.anisotropy?e.anisotropy:1,void 0!==e.colorSpace&&(t.colorSpace=e.colorSpace),void 0!==e.flipY&&(t.flipY=e.flipY),void 0!==e.format&&(t.format=e.format),void 0!==e.type&&(t.type=e.type),void 0!==e.mipmaps&&(t.mipmaps=e.mipmaps,t.minFilter=At),1===e.mipmapCount&&(t.minFilter=Mt),void 0!==e.generateMipmaps&&(t.generateMipmaps=e.generateMipmaps),t.needsUpdate=!0}}class Uc extends Oc{constructor(t){super(t)}load(t,e,i,s){const r=new Js,n=new Lc(this.manager);return n.setCrossOrigin(this.crossOrigin),n.setPath(this.path),n.load(t,function(t){r.image=t,r.needsUpdate=!0,void 0!==e&&e(r)},i,s),r}}class Wc extends Ar{constructor(t,e=1){super(),this.isLight=!0,this.type="Light",this.color=new Pr(t),this.intensity=e}dispose(){this.dispatchEvent({type:"dispose"})}copy(t,e){return super.copy(t,e),this.color.copy(t.color),this.intensity=t.intensity,this}toJSON(t){const e=super.toJSON(t);return e.object.color=this.color.getHex(),e.object.intensity=this.intensity,e}}class Jc extends Wc{constructor(t,e,i){super(t,i),this.isHemisphereLight=!0,this.type="HemisphereLight",this.position.copy(Ar.DEFAULT_UP),this.updateMatrix(),this.groundColor=new Pr(e)}copy(t,e){return super.copy(t,e),this.groundColor.copy(t.groundColor),this}toJSON(t){const e=super.toJSON(t);return e.object.groundColor=this.groundColor.getHex(),e}}const qc=new Qs,Hc=new Ts,Xc=new Ts;class Yc{constructor(t){this.camera=t,this.intensity=1,this.bias=0,this.biasNode=null,this.normalBias=0,this.radius=1,this.blurSamples=8,this.mapSize=new _s(512,512),this.mapType=zt,this.map=null,this.mapPass=null,this.matrix=new Qs,this.autoUpdate=!0,this.needsUpdate=!1,this._frustum=new mo,this._frameExtents=new _s(1,1),this._viewportCount=1,this._viewports=[new qs(0,0,1,1)]}getViewportCount(){return this._viewportCount}getFrustum(){return this._frustum}updateMatrices(t){const e=this.camera,i=this.matrix;Hc.setFromMatrixPosition(t.matrixWorld),e.position.copy(Hc),Xc.setFromMatrixPosition(t.target.matrixWorld),e.lookAt(Xc),e.updateMatrixWorld(),qc.multiplyMatrices(e.projectionMatrix,e.matrixWorldInverse),this._frustum.setFromProjectionMatrix(qc,e.coordinateSystem,e.reversedDepth),e.coordinateSystem===Ji||e.reversedDepth?i.set(.5,0,0,.5,0,.5,0,.5,0,0,1,0,0,0,0,1):i.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),i.multiply(qc)}getViewport(t){return this._viewports[t]}getFrameExtents(){return this._frameExtents}dispose(){this.map&&this.map.dispose(),this.mapPass&&this.mapPass.dispose()}copy(t){return this.camera=t.camera.clone(),this.intensity=t.intensity,this.bias=t.bias,this.radius=t.radius,this.autoUpdate=t.autoUpdate,this.needsUpdate=t.needsUpdate,this.normalBias=t.normalBias,this.blurSamples=t.blurSamples,this.mapSize.copy(t.mapSize),this.biasNode=t.biasNode,this}clone(){return(new this.constructor).copy(this)}toJSON(){const t={};return 1!==this.intensity&&(t.intensity=this.intensity),0!==this.bias&&(t.bias=this.bias),0!==this.normalBias&&(t.normalBias=this.normalBias),1!==this.radius&&(t.radius=this.radius),512===this.mapSize.x&&512===this.mapSize.y||(t.mapSize=this.mapSize.toArray()),t.camera=this.camera.toJSON(!1).object,delete t.camera.matrix,t}}const Zc=new Ts,Gc=new As,$c=new Ts;class Qc extends Ar{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new Qs,this.projectionMatrix=new Qs,this.projectionMatrixInverse=new Qs,this.coordinateSystem=Wi,this._reversedDepth=!1}get reversedDepth(){return this._reversedDepth}copy(t,e){return super.copy(t,e),this.matrixWorldInverse.copy(t.matrixWorldInverse),this.projectionMatrix.copy(t.projectionMatrix),this.projectionMatrixInverse.copy(t.projectionMatrixInverse),this.coordinateSystem=t.coordinateSystem,this}getWorldDirection(t){return super.getWorldDirection(t).negate()}updateMatrixWorld(t){super.updateMatrixWorld(t),this.matrixWorld.decompose(Zc,Gc,$c),1===$c.x&&1===$c.y&&1===$c.z?this.matrixWorldInverse.copy(this.matrixWorld).invert():this.matrixWorldInverse.compose(Zc,Gc,$c.set(1,1,1)).invert()}updateWorldMatrix(t,e,i=!1){super.updateWorldMatrix(t,e,i),this.matrixWorld.decompose(Zc,Gc,$c),1===$c.x&&1===$c.y&&1===$c.z?this.matrixWorldInverse.copy(this.matrixWorld).invert():this.matrixWorldInverse.compose(Zc,Gc,$c.set(1,1,1)).invert()}clone(){return(new this.constructor).copy(this)}}const Kc=new Ts,tu=new _s,eu=new _s;class iu extends Qc{constructor(t=50,e=1,i=.1,s=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=t,this.zoom=1,this.near=i,this.far=s,this.focus=10,this.aspect=e,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.fov=t.fov,this.zoom=t.zoom,this.near=t.near,this.far=t.far,this.focus=t.focus,this.aspect=t.aspect,this.view=null===t.view?null:Object.assign({},t.view),this.filmGauge=t.filmGauge,this.filmOffset=t.filmOffset,this}setFocalLength(t){const e=.5*this.getFilmHeight()/t;this.fov=2*gs*Math.atan(e),this.updateProjectionMatrix()}getFocalLength(){const t=Math.tan(.5*ys*this.fov);return.5*this.getFilmHeight()/t}getEffectiveFOV(){return 2*gs*Math.atan(Math.tan(.5*ys*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}getViewBounds(t,e,i){Kc.set(-1,-1,.5).applyMatrix4(this.projectionMatrixInverse),e.set(Kc.x,Kc.y).multiplyScalar(-t/Kc.z),Kc.set(1,1,.5).applyMatrix4(this.projectionMatrixInverse),i.set(Kc.x,Kc.y).multiplyScalar(-t/Kc.z)}getViewSize(t,e){return this.getViewBounds(t,tu,eu),e.subVectors(eu,tu)}setViewOffset(t,e,i,s,r,n){this.aspect=t/e,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=i,this.view.offsetY=s,this.view.width=r,this.view.height=n,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=this.near;let e=t*Math.tan(.5*ys*this.fov)/this.zoom,i=2*e,s=this.aspect*i,r=-.5*s;const n=this.view;if(null!==this.view&&this.view.enabled){const t=n.fullWidth,a=n.fullHeight;r+=n.offsetX*s/t,e-=n.offsetY*i/a,s*=n.width/t,i*=n.height/a}const a=this.filmOffset;0!==a&&(r+=t*a/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+s,e,e-i,t,this.far,this.coordinateSystem,this.reversedDepth),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.fov=this.fov,e.object.zoom=this.zoom,e.object.near=this.near,e.object.far=this.far,e.object.focus=this.focus,e.object.aspect=this.aspect,null!==this.view&&(e.object.view=Object.assign({},this.view)),e.object.filmGauge=this.filmGauge,e.object.filmOffset=this.filmOffset,e}}class su extends Yc{constructor(){super(new iu(50,1,.5,500)),this.isSpotLightShadow=!0,this.focus=1,this.aspect=1}updateMatrices(t){const e=this.camera,i=2*gs*t.angle*this.focus,s=this.mapSize.width/this.mapSize.height*this.aspect,r=t.distance||e.far;i===e.fov&&s===e.aspect&&r===e.far||(e.fov=i,e.aspect=s,e.far=r,e.updateProjectionMatrix()),super.updateMatrices(t)}copy(t){return super.copy(t),this.focus=t.focus,this}}class ru extends Wc{constructor(t,e,i=0,s=Math.PI/3,r=0,n=2){super(t,e),this.isSpotLight=!0,this.type="SpotLight",this.position.copy(Ar.DEFAULT_UP),this.updateMatrix(),this.target=new Ar,this.distance=i,this.angle=s,this.penumbra=r,this.decay=n,this.map=null,this.shadow=new su}get power(){return this.intensity*Math.PI}set power(t){this.intensity=t/Math.PI}dispose(){super.dispose(),this.shadow.dispose()}copy(t,e){return super.copy(t,e),this.distance=t.distance,this.angle=t.angle,this.penumbra=t.penumbra,this.decay=t.decay,this.target=t.target.clone(),this.map=t.map,this.shadow=t.shadow.clone(),this}toJSON(t){const e=super.toJSON(t);return e.object.distance=this.distance,e.object.angle=this.angle,e.object.decay=this.decay,e.object.penumbra=this.penumbra,e.object.target=this.target.uuid,this.map&&this.map.isTexture&&(e.object.map=this.map.toJSON(t).uuid),e.object.shadow=this.shadow.toJSON(),e}}class nu extends Yc{constructor(){super(new iu(90,1,.5,500)),this.isPointLightShadow=!0}}class au extends Wc{constructor(t,e,i=0,s=2){super(t,e),this.isPointLight=!0,this.type="PointLight",this.distance=i,this.decay=s,this.shadow=new nu}get power(){return 4*this.intensity*Math.PI}set power(t){this.intensity=t/(4*Math.PI)}dispose(){super.dispose(),this.shadow.dispose()}copy(t,e){return super.copy(t,e),this.distance=t.distance,this.decay=t.decay,this.shadow=t.shadow.clone(),this}toJSON(t){const e=super.toJSON(t);return e.object.distance=this.distance,e.object.decay=this.decay,e.object.shadow=this.shadow.toJSON(),e}}class ou extends Qc{constructor(t=-1,e=1,i=1,s=-1,r=.1,n=2e3){super(),this.isOrthographicCamera=!0,this.type="OrthographicCamera",this.zoom=1,this.view=null,this.left=t,this.right=e,this.top=i,this.bottom=s,this.near=r,this.far=n,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.left=t.left,this.right=t.right,this.top=t.top,this.bottom=t.bottom,this.near=t.near,this.far=t.far,this.zoom=t.zoom,this.view=null===t.view?null:Object.assign({},t.view),this}setViewOffset(t,e,i,s,r,n){null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=i,this.view.offsetY=s,this.view.width=r,this.view.height=n,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=(this.right-this.left)/(2*this.zoom),e=(this.top-this.bottom)/(2*this.zoom),i=(this.right+this.left)/2,s=(this.top+this.bottom)/2;let r=i-t,n=i+t,a=s+e,o=s-e;if(null!==this.view&&this.view.enabled){const t=(this.right-this.left)/this.view.fullWidth/this.zoom,e=(this.top-this.bottom)/this.view.fullHeight/this.zoom;r+=t*this.view.offsetX,n=r+t*this.view.width,a-=e*this.view.offsetY,o=a-e*this.view.height}this.projectionMatrix.makeOrthographic(r,n,a,o,this.near,this.far,this.coordinateSystem,this.reversedDepth),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.zoom=this.zoom,e.object.left=this.left,e.object.right=this.right,e.object.top=this.top,e.object.bottom=this.bottom,e.object.near=this.near,e.object.far=this.far,null!==this.view&&(e.object.view=Object.assign({},this.view)),e}}class hu extends Yc{constructor(){super(new ou(-5,5,5,-5,.5,500)),this.isDirectionalLightShadow=!0}}class lu extends Wc{constructor(t,e){super(t,e),this.isDirectionalLight=!0,this.type="DirectionalLight",this.position.copy(Ar.DEFAULT_UP),this.updateMatrix(),this.target=new Ar,this.shadow=new hu}dispose(){super.dispose(),this.shadow.dispose()}copy(t){return super.copy(t),this.target=t.target.clone(),this.shadow=t.shadow.clone(),this}toJSON(t){const e=super.toJSON(t);return e.object.shadow=this.shadow.toJSON(),e.object.target=this.target.uuid,e}}class cu extends Wc{constructor(t,e){super(t,e),this.isAmbientLight=!0,this.type="AmbientLight"}}class uu extends Wc{constructor(t,e,i=10,s=10){super(t,e),this.isRectAreaLight=!0,this.type="RectAreaLight",this.width=i,this.height=s}get power(){return this.intensity*this.width*this.height*Math.PI}set power(t){this.intensity=t/(this.width*this.height*Math.PI)}copy(t){return super.copy(t),this.width=t.width,this.height=t.height,this}toJSON(t){const e=super.toJSON(t);return e.object.width=this.width,e.object.height=this.height,e}}class du{constructor(){this.isSphericalHarmonics3=!0,this.coefficients=[];for(let t=0;t<9;t++)this.coefficients.push(new Ts)}set(t){for(let e=0;e<9;e++)this.coefficients[e].copy(t[e]);return this}zero(){for(let t=0;t<9;t++)this.coefficients[t].set(0,0,0);return this}getAt(t,e){const i=t.x,s=t.y,r=t.z,n=this.coefficients;return e.copy(n[0]).multiplyScalar(.282095),e.addScaledVector(n[1],.488603*s),e.addScaledVector(n[2],.488603*r),e.addScaledVector(n[3],.488603*i),e.addScaledVector(n[4],i*s*1.092548),e.addScaledVector(n[5],s*r*1.092548),e.addScaledVector(n[6],.315392*(3*r*r-1)),e.addScaledVector(n[7],i*r*1.092548),e.addScaledVector(n[8],.546274*(i*i-s*s)),e}getIrradianceAt(t,e){const i=t.x,s=t.y,r=t.z,n=this.coefficients;return e.copy(n[0]).multiplyScalar(.886227),e.addScaledVector(n[1],1.023328*s),e.addScaledVector(n[2],1.023328*r),e.addScaledVector(n[3],1.023328*i),e.addScaledVector(n[4],.858086*i*s),e.addScaledVector(n[5],.858086*s*r),e.addScaledVector(n[6],.743125*r*r-.247708),e.addScaledVector(n[7],.858086*i*r),e.addScaledVector(n[8],.429043*(i*i-s*s)),e}add(t){for(let e=0;e<9;e++)this.coefficients[e].add(t.coefficients[e]);return this}addScaledSH(t,e){for(let i=0;i<9;i++)this.coefficients[i].addScaledVector(t.coefficients[i],e);return this}scale(t){for(let e=0;e<9;e++)this.coefficients[e].multiplyScalar(t);return this}lerp(t,e){for(let i=0;i<9;i++)this.coefficients[i].lerp(t.coefficients[i],e);return this}equals(t){for(let e=0;e<9;e++)if(!this.coefficients[e].equals(t.coefficients[e]))return!1;return!0}copy(t){return this.set(t.coefficients)}clone(){return(new this.constructor).copy(this)}fromArray(t,e=0){const i=this.coefficients;for(let s=0;s<9;s++)i[s].fromArray(t,e+3*s);return this}toArray(t=[],e=0){const i=this.coefficients;for(let s=0;s<9;s++)i[s].toArray(t,e+3*s);return t}static getBasisAt(t,e){const i=t.x,s=t.y,r=t.z;e[0]=.282095,e[1]=.488603*s,e[2]=.488603*r,e[3]=.488603*i,e[4]=1.092548*i*s,e[5]=1.092548*s*r,e[6]=.315392*(3*r*r-1),e[7]=1.092548*i*r,e[8]=.546274*(i*i-s*s)}}class pu extends Wc{constructor(t=new du,e=1){super(void 0,e),this.isLightProbe=!0,this.sh=t}copy(t){return super.copy(t),this.sh.copy(t.sh),this}toJSON(t){const e=super.toJSON(t);return e.object.sh=this.sh.toArray(),e}}const mu={};class yu extends Oc{constructor(t){super(t),this.textures={}}load(t,e,i,s){const r=this,n=new Ec(r.manager);n.setPath(r.path),n.setRequestHeader(r.requestHeader),n.setWithCredentials(r.withCredentials),n.load(t,function(i){try{e(r.parse(JSON.parse(i)))}catch(e){s?s(e):os(e),r.manager.itemError(t)}},i,s)}parse(t){const e=this.createMaterialFromType(t.type);return e.fromJSON(t,this.textures),e}setTextures(t){return this.textures=t,this}createMaterialFromType(t){return yu.createMaterialFromType(t)}static createMaterialFromType(t){const e={ShadowMaterial:Jl,SpriteMaterial:Gn,RawShaderMaterial:$l,ShaderMaterial:Gl,PointsMaterial:$o,MeshPhysicalMaterial:Kl,MeshStandardMaterial:Ql,MeshPhongMaterial:tc,MeshToonMaterial:ec,MeshNormalMaterial:ic,MeshLambertMaterial:sc,MeshDepthMaterial:rc,MeshDistanceMaterial:nc,MeshBasicMaterial:Ma,MeshMatcapMaterial:ac,LineDashedMaterial:oc,LineBasicMaterial:Vo,Material:Zn,...mu}[t];let i;return void 0===e?(hs(`MaterialLoader: Unknown material type "${t}". Use .registerMaterial() before starting the deserialization process.`),i=new Zn):i=new e,i}static registerMaterial(t,e){mu[t]=e}}class gu{static extractUrlBase(t){const e=t.lastIndexOf("/");return-1===e?"./":t.slice(0,e+1)}static resolveURL(t,e){return"string"!=typeof t||""===t?"":(/^https?:\/\//i.test(e)&&/^\//.test(t)&&(e=e.replace(/(^https?:\/\/[^\/]+).*/i,"$1")),/^(https?:)?\/\//i.test(t)||/^data:.*,.*$/i.test(t)||/^blob:.*$/i.test(t)?t:e+t)}}class fu extends Wn{constructor(){super(),this.isInstancedBufferGeometry=!0,this.type="InstancedBufferGeometry",this.instanceCount=1/0}copy(t){return super.copy(t),this.instanceCount=t.instanceCount,this}toJSON(){const t=super.toJSON();return t.instanceCount=this.instanceCount,t.isInstancedBufferGeometry=!0,t}}class xu extends Oc{constructor(t){super(t)}load(t,e,i,s){const r=this,n=new Ec(r.manager);n.setPath(r.path),n.setRequestHeader(r.requestHeader),n.setWithCredentials(r.withCredentials),n.load(t,function(i){try{e(r.parse(JSON.parse(i)))}catch(e){s?s(e):os(e),r.manager.itemError(t)}},i,s)}parse(t){const e={},i={};function s(t,s){if(void 0!==e[s])return e[s];const r=t.interleavedBuffers[s],n=function(t,e){if(void 0!==i[e])return i[e];const s=t.arrayBuffers,r=s[e],n=new Uint32Array(r).buffer;return i[e]=n,n}(t,r.buffer),a=Gi(r.type,n),o=new Jn(a,r.stride);return o.uuid=r.uuid,e[s]=o,o}const r=t.isInstancedBufferGeometry?new fu:new Wn,n=t.data.index;if(void 0!==n){const t=Gi(n.type,n.array);r.setIndex(new Mn(t,1))}const a=t.data.attributes;for(const e in a){const i=a[e];let n;if(i.isInterleavedBufferAttribute){const e=s(t.data,i.data);n=new Hn(e,i.itemSize,i.offset,i.normalized)}else{const t=Gi(i.type,i.array);n=new(i.isInstancedBufferAttribute?$a:Mn)(t,i.itemSize,i.normalized)}void 0!==i.name&&(n.name=i.name),void 0!==i.usage&&n.setUsage(i.usage),r.setAttribute(e,n)}const o=t.data.morphAttributes;if(o)for(const e in o){const i=o[e],n=[];for(let e=0,r=i.length;e<r;e++){const r=i[e];let a;if(r.isInterleavedBufferAttribute){const e=s(t.data,r.data);a=new Hn(e,r.itemSize,r.offset,r.normalized)}else{const t=Gi(r.type,r.array);a=new Mn(t,r.itemSize,r.normalized)}void 0!==r.name&&(a.name=r.name),n.push(a)}r.morphAttributes[e]=n}t.data.morphTargetsRelative&&(r.morphTargetsRelative=!0);const h=t.data.groups||t.data.drawcalls||t.data.offsets;if(void 0!==h)for(let t=0,e=h.length;t!==e;++t){const e=h[t];r.addGroup(e.start,e.count,e.materialIndex)}const l=t.data.boundingSphere;return void 0!==l&&(r.boundingSphere=(new En).fromJSON(l)),t.name&&(r.name=t.name),t.userData&&(r.userData=t.userData),r}}const bu={};class vu extends Oc{constructor(t){super(t)}load(t,e,i,s){const r=this,n=""===this.path?gu.extractUrlBase(t):this.path;this.resourcePath=this.resourcePath||n;const a=new Ec(this.manager);a.setPath(this.path),a.setRequestHeader(this.requestHeader),a.setWithCredentials(this.withCredentials),a.load(t,function(i){let n=null;try{n=JSON.parse(i)}catch(e){return void 0!==s&&s(e),void os("ObjectLoader: Can't parse "+t+".",e.message)}const a=n.metadata;if(void 0===a||void 0===a.type||"geometry"===a.type.toLowerCase())return void 0!==s&&s(new Error("THREE.ObjectLoader: Can't load "+t)),void os("ObjectLoader: Can't load "+t);r.parse(n,e)},i,s)}async loadAsync(t,e){const i=""===this.path?gu.extractUrlBase(t):this.path;this.resourcePath=this.resourcePath||i;const s=new Ec(this.manager);s.setPath(this.path),s.setRequestHeader(this.requestHeader),s.setWithCredentials(this.withCredentials);const r=await s.loadAsync(t,e);let n;try{n=JSON.parse(r)}catch(e){throw new Error("THREE.ObjectLoader: Can't parse "+t+". "+e.message)}const a=n.metadata;if(void 0===a||void 0===a.type||"geometry"===a.type.toLowerCase())throw new Error("THREE.ObjectLoader: Can't load "+t);return await this.parseAsync(n)}parse(t,e){const i=this.parseAnimations(t.animations),s=this.parseShapes(t.shapes),r=this.parseGeometries(t.geometries,s),n=this.parseImages(t.images,function(){void 0!==e&&e(h)}),a=this.parseTextures(t.textures,n),o=this.parseMaterials(t.materials,a),h=this.parseObject(t.object,r,o,a,i),l=this.parseSkeletons(t.skeletons,h);if(this.bindSkeletons(h,l),this.bindLightTargets(h),void 0!==e){let t=!1;for(const e in n)if(n[e].data instanceof HTMLImageElement){t=!0;break}!1===t&&e(h)}return h}async parseAsync(t){const e=this.parseAnimations(t.animations),i=this.parseShapes(t.shapes),s=this.parseGeometries(t.geometries,i),r=await this.parseImagesAsync(t.images),n=this.parseTextures(t.textures,r),a=this.parseMaterials(t.materials,n),o=this.parseObject(t.object,s,a,n,e),h=this.parseSkeletons(t.skeletons,o);return this.bindSkeletons(o,h),this.bindLightTargets(o),o}static registerGeometry(t,e){bu[t]=e}parseShapes(t){const e={};if(void 0!==t)for(let i=0,s=t.length;i<s;i++){const s=(new $h).fromJSON(t[i]);e[s.uuid]=s}return e}parseSkeletons(t,e){const i={},s={};if(e.traverse(function(t){t.isBone&&(s[t.uuid]=t)}),void 0!==t)for(let e=0,r=t.length;e<r;e++){const r=(new Ga).fromJSON(t[e],s);i[r.uuid]=r}return i}parseGeometries(t,e){const i={};if(void 0!==t){const s=new xu;for(let r=0,n=t.length;r<n;r++){let n;const a=t[r];switch(a.type){case"BufferGeometry":case"InstancedBufferGeometry":n=s.parse(a);break;default:a.type in Wl?n=Wl[a.type].fromJSON(a,e):a.type in bu?n=bu[a.type].fromJSON(a,e):as(`ObjectLoader: Unknown geometry type "${a.type}". Use .registerGeometry() before starting the deserialization process.`)}n.uuid=a.uuid,void 0!==a.name&&(n.name=a.name),void 0!==a.userData&&(n.userData=a.userData),i[a.uuid]=n}}return i}parseMaterials(t,e){const i={},s={};if(void 0!==t){const r=new yu;r.setTextures(e);for(let e=0,n=t.length;e<n;e++){const n=t[e];void 0===i[n.uuid]&&(i[n.uuid]=r.parse(n)),s[n.uuid]=i[n.uuid]}}return s}parseAnimations(t){const e={};if(void 0!==t)for(let i=0;i<t.length;i++){const s=t[i],r=Tc.parse(s);e[r.uuid]=r}return e}parseImages(t,e){const i=this,s={};let r;function n(t){if("string"==typeof t){const e=t;return function(t){return t=i.manager.resolveURL(t),i.manager.itemStart(t),r.load(t,function(){i.manager.itemEnd(t)},void 0,function(){i.manager.itemError(t),i.manager.itemEnd(t)})}(/^(\/\/)|([a-z]+:(\/\/)?)/i.test(e)?e:i.resourcePath+e)}return t.data?{data:Gi(t.type,t.data),width:t.width,height:t.height}:null}if(void 0!==t&&t.length>0){const i=new Bc(e);r=new Lc(i),r.setCrossOrigin(this.crossOrigin);for(let e=0,i=t.length;e<i;e++){const i=t[e],r=i.url;if(Array.isArray(r)){const t=[];for(let e=0,i=r.length;e<i;e++){const i=n(r[e]);null!==i&&(i instanceof HTMLImageElement?t.push(i):t.push(new Xa(i.data,i.width,i.height)))}s[i.uuid]=new Ds(t)}else{const t=n(i.url);s[i.uuid]=new Ds(t)}}}return s}async parseImagesAsync(t){const e=this,i={};let s;async function r(t){if("string"==typeof t){const i=t,r=/^(\/\/)|([a-z]+:(\/\/)?)/i.test(i)?i:e.resourcePath+i;return await s.loadAsync(r)}return t.data?{data:Gi(t.type,t.data),width:t.width,height:t.height}:null}if(void 0!==t&&t.length>0){s=new Lc(this.manager),s.setCrossOrigin(this.crossOrigin);for(let e=0,s=t.length;e<s;e++){const s=t[e],n=s.url;if(Array.isArray(n)){const t=[];for(let e=0,i=n.length;e<i;e++){const i=n[e],s=await r(i);null!==s&&(s instanceof HTMLImageElement?t.push(s):t.push(new Xa(s.data,s.width,s.height)))}i[s.uuid]=new Ds(t)}else{const t=await r(s.url);i[s.uuid]=new Ds(t)}}}return i}parseTextures(t,e){function i(t,e){return"number"==typeof t?t:(as("ObjectLoader.parseTexture: Constant should be in numeric form.",t),e[t])}const s={};if(void 0!==t)for(let r=0,n=t.length;r<n;r++){const n=t[r];void 0===n.image&&as('ObjectLoader: No "image" specified for',n.uuid),void 0===e[n.image]&&as("ObjectLoader: Undefined image",n.image);const a=e[n.image],o=a.data;let h;Array.isArray(o)?(h=new ch,6===o.length&&(h.needsUpdate=!0)):(h=o&&o.data?new Xa:new Js,o&&(h.needsUpdate=!0)),h.source=a,h.uuid=n.uuid,void 0!==n.name&&(h.name=n.name),void 0!==n.mapping&&(h.mapping=i(n.mapping,wu)),void 0!==n.channel&&(h.channel=n.channel),void 0!==n.offset&&h.offset.fromArray(n.offset),void 0!==n.repeat&&h.repeat.fromArray(n.repeat),void 0!==n.center&&h.center.fromArray(n.center),void 0!==n.rotation&&(h.rotation=n.rotation),void 0!==n.wrap&&(h.wrapS=i(n.wrap[0],Mu),h.wrapT=i(n.wrap[1],Mu)),void 0!==n.format&&(h.format=n.format),void 0!==n.internalFormat&&(h.internalFormat=n.internalFormat),void 0!==n.type&&(h.type=n.type),void 0!==n.colorSpace&&(h.colorSpace=n.colorSpace),void 0!==n.minFilter&&(h.minFilter=i(n.minFilter,Su)),void 0!==n.magFilter&&(h.magFilter=i(n.magFilter,Su)),void 0!==n.anisotropy&&(h.anisotropy=n.anisotropy),void 0!==n.flipY&&(h.flipY=n.flipY),void 0!==n.generateMipmaps&&(h.generateMipmaps=n.generateMipmaps),void 0!==n.premultiplyAlpha&&(h.premultiplyAlpha=n.premultiplyAlpha),void 0!==n.unpackAlignment&&(h.unpackAlignment=n.unpackAlignment),void 0!==n.compareFunction&&(h.compareFunction=n.compareFunction),void 0!==n.normalized&&(h.normalized=n.normalized),void 0!==n.userData&&(h.userData=n.userData),s[n.uuid]=h}return s}parseObject(t,e,i,s,r){let n,a,o;function h(t){return void 0===e[t]&&as("ObjectLoader: Undefined geometry",t),e[t]}function l(t){if(void 0!==t){if(Array.isArray(t)){const e=[];for(let s=0,r=t.length;s<r;s++){const r=t[s];void 0===i[r]&&as("ObjectLoader: Undefined material",r),e.push(i[r])}return e}return void 0===i[t]&&as("ObjectLoader: Undefined material",t),i[t]}}function c(t){return void 0===s[t]&&as("ObjectLoader: Undefined texture",t),s[t]}switch(t.type){case"Scene":n=new Vr,void 0!==t.background&&(Number.isInteger(t.background)?n.background=new Pr(t.background):n.background=c(t.background)),void 0!==t.environment&&(n.environment=c(t.environment)),void 0!==t.fog&&("Fog"===t.fog.type?n.fog=new Nr(t.fog.color,t.fog.near,t.fog.far):"FogExp2"===t.fog.type&&(n.fog=new Er(t.fog.color,t.fog.density)),""!==t.fog.name&&(n.fog.name=t.fog.name)),void 0!==t.backgroundBlurriness&&(n.backgroundBlurriness=t.backgroundBlurriness),void 0!==t.backgroundIntensity&&(n.backgroundIntensity=t.backgroundIntensity),void 0!==t.backgroundRotation&&n.backgroundRotation.fromArray(t.backgroundRotation),void 0!==t.environmentIntensity&&(n.environmentIntensity=t.environmentIntensity),void 0!==t.environmentRotation&&n.environmentRotation.fromArray(t.environmentRotation);break;case"PerspectiveCamera":n=new iu(t.fov,t.aspect,t.near,t.far),void 0!==t.focus&&(n.focus=t.focus),void 0!==t.zoom&&(n.zoom=t.zoom),void 0!==t.filmGauge&&(n.filmGauge=t.filmGauge),void 0!==t.filmOffset&&(n.filmOffset=t.filmOffset),void 0!==t.view&&(n.view=Object.assign({},t.view));break;case"OrthographicCamera":n=new ou(t.left,t.right,t.top,t.bottom,t.near,t.far),void 0!==t.zoom&&(n.zoom=t.zoom),void 0!==t.view&&(n.view=Object.assign({},t.view));break;case"AmbientLight":n=new cu(t.color,t.intensity);break;case"DirectionalLight":n=new lu(t.color,t.intensity),n.target=t.target||"";break;case"PointLight":n=new au(t.color,t.intensity,t.distance,t.decay);break;case"RectAreaLight":n=new uu(t.color,t.intensity,t.width,t.height);break;case"SpotLight":n=new ru(t.color,t.intensity,t.distance,t.angle,t.penumbra,t.decay),n.target=t.target||"";break;case"HemisphereLight":n=new Jc(t.color,t.groundColor,t.intensity);break;case"LightProbe":const e=(new du).fromArray(t.sh);n=new pu(e,t.intensity);break;case"SkinnedMesh":a=h(t.geometry),o=l(t.material),n=new qa(a,o),void 0!==t.bindMode&&(n.bindMode=t.bindMode),void 0!==t.bindMatrix&&n.bindMatrix.fromArray(t.bindMatrix),void 0!==t.skeleton&&(n.skeleton=t.skeleton);break;case"Mesh":a=h(t.geometry),o=l(t.material),n=new Ra(a,o);break;case"InstancedMesh":a=h(t.geometry),o=l(t.material);const i=t.count,s=t.instanceMatrix,r=t.instanceColor;n=new no(a,o,i),n.instanceMatrix=new $a(new Float32Array(s.array),16),void 0!==r&&(n.instanceColor=new $a(new Float32Array(r.array),r.itemSize));break;case"BatchedMesh":a=h(t.geometry),o=l(t.material),n=new No(t.maxInstanceCount,t.maxVertexCount,t.maxIndexCount,o),n.geometry=a,n.perObjectFrustumCulled=t.perObjectFrustumCulled,n.sortObjects=t.sortObjects,n._drawRanges=t.drawRanges,n._reservedRanges=t.reservedRanges,n._geometryInfo=t.geometryInfo.map(t=>{let e=null,i=null;return void 0!==t.boundingBox&&(e=(new Qr).fromJSON(t.boundingBox)),void 0!==t.boundingSphere&&(i=(new En).fromJSON(t.boundingSphere)),{...t,boundingBox:e,boundingSphere:i}}),n._instanceInfo=t.instanceInfo,n._availableInstanceIds=t._availableInstanceIds,n._availableGeometryIds=t._availableGeometryIds,n._nextIndexStart=t.nextIndexStart,n._nextVertexStart=t.nextVertexStart,n._geometryCount=t.geometryCount,n._maxInstanceCount=t.maxInstanceCount,n._maxVertexCount=t.maxVertexCount,n._maxIndexCount=t.maxIndexCount,n._geometryInitialized=t.geometryInitialized,n._matricesTexture=c(t.matricesTexture.uuid),n._indirectTexture=c(t.indirectTexture.uuid),void 0!==t.colorsTexture&&(n._colorsTexture=c(t.colorsTexture.uuid)),void 0!==t.boundingSphere&&(n.boundingSphere=(new En).fromJSON(t.boundingSphere)),void 0!==t.boundingBox&&(n.boundingBox=(new Qr).fromJSON(t.boundingBox));break;case"LOD":n=new pa;break;case"Line":n=new qo(h(t.geometry),l(t.material));break;case"LineLoop":n=new Go(h(t.geometry),l(t.material));break;case"LineSegments":n=new Zo(h(t.geometry),l(t.material));break;case"PointCloud":case"Points":n=new ih(h(t.geometry),l(t.material));break;case"Sprite":n=new la(l(t.material));break;case"Group":n=new Tr;break;case"Bone":n=new Ha;break;default:n=new Ar}if(n.uuid=t.uuid,void 0!==t.name&&(n.name=t.name),void 0!==t.matrix?(n.matrix.fromArray(t.matrix),void 0!==t.matrixAutoUpdate&&(n.matrixAutoUpdate=t.matrixAutoUpdate),n.matrixAutoUpdate&&n.matrix.decompose(n.position,n.quaternion,n.scale)):(void 0!==t.position&&n.position.fromArray(t.position),void 0!==t.rotation&&n.rotation.fromArray(t.rotation),void 0!==t.quaternion&&n.quaternion.fromArray(t.quaternion),void 0!==t.scale&&n.scale.fromArray(t.scale)),void 0!==t.up&&n.up.fromArray(t.up),void 0!==t.pivot&&(n.pivot=(new Ts).fromArray(t.pivot)),void 0!==t.morphTargetDictionary&&(n.morphTargetDictionary=Object.assign({},t.morphTargetDictionary)),void 0!==t.morphTargetInfluences&&(n.morphTargetInfluences=t.morphTargetInfluences.slice()),void 0!==t.castShadow&&(n.castShadow=t.castShadow),void 0!==t.receiveShadow&&(n.receiveShadow=t.receiveShadow),t.shadow&&(void 0!==t.shadow.intensity&&(n.shadow.intensity=t.shadow.intensity),void 0!==t.shadow.bias&&(n.shadow.bias=t.shadow.bias),void 0!==t.shadow.normalBias&&(n.shadow.normalBias=t.shadow.normalBias),void 0!==t.shadow.radius&&(n.shadow.radius=t.shadow.radius),void 0!==t.shadow.mapSize&&n.shadow.mapSize.fromArray(t.shadow.mapSize),void 0!==t.shadow.camera&&(n.shadow.camera=this.parseObject(t.shadow.camera))),void 0!==t.visible&&(n.visible=t.visible),void 0!==t.frustumCulled&&(n.frustumCulled=t.frustumCulled),void 0!==t.renderOrder&&(n.renderOrder=t.renderOrder),void 0!==t.static&&(n.static=t.static),void 0!==t.userData&&(n.userData=t.userData),void 0!==t.layers&&(n.layers.mask=t.layers),void 0!==t.children){const a=t.children;for(let t=0;t<a.length;t++)n.add(this.parseObject(a[t],e,i,s,r))}if(void 0!==t.animations){const e=t.animations;for(let t=0;t<e.length;t++){const i=e[t];n.animations.push(r[i])}}if("LOD"===t.type){void 0!==t.autoUpdate&&(n.autoUpdate=t.autoUpdate);const e=t.levels;for(let t=0;t<e.length;t++){const i=e[t],s=n.getObjectByProperty("uuid",i.object);void 0!==s&&n.addLevel(s,i.distance,i.hysteresis)}}return n}bindSkeletons(t,e){0!==Object.keys(e).length&&t.traverse(function(t){if(!0===t.isSkinnedMesh&&void 0!==t.skeleton){const i=e[t.skeleton];void 0===i?as("ObjectLoader: No skeleton found with UUID:",t.skeleton):t.bind(i,t.bindMatrix)}})}bindLightTargets(t){t.traverse(function(e){if(e.isDirectionalLight||e.isSpotLight){const i=e.target,s=t.getObjectByProperty("uuid",i);e.target=void 0!==s?s:new Ar}})}}const wu={UVMapping:ht,CubeReflectionMapping:lt,CubeRefractionMapping:302,EquirectangularReflectionMapping:303,EquirectangularRefractionMapping:304,CubeUVReflectionMapping:306},Mu={RepeatWrapping:mt,ClampToEdgeWrapping:yt,MirroredRepeatWrapping:gt},Su={NearestFilter:ft,NearestMipmapNearestFilter:1004,NearestMipmapLinearFilter:1005,LinearFilter:Mt,LinearMipmapNearestFilter:1007,LinearMipmapLinearFilter:At},_u=new WeakMap;class Au extends Oc{constructor(t){super(t),this.isImageBitmapLoader=!0,"undefined"==typeof createImageBitmap&&as("ImageBitmapLoader: createImageBitmap() not supported."),"undefined"==typeof fetch&&as("ImageBitmapLoader: fetch() not supported."),this.options={premultiplyAlpha:"none"},this._abortController=new AbortController}setOptions(t){return this.options=t,this}load(t,e,i,s){void 0===t&&(t=""),void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=this,n=Cc.get(`image-bitmap:${t}`);if(void 0!==n)return r.manager.itemStart(t),n.then?void n.then(i=>{!0===_u.has(n)?(s&&s(_u.get(n)),r.manager.itemError(t),r.manager.itemEnd(t)):(e&&e(i),r.manager.itemEnd(t))}):void setTimeout(function(){e&&e(n),r.manager.itemEnd(t)},0);const a={};a.credentials="anonymous"===this.crossOrigin?"same-origin":"include",a.headers=this.requestHeader,a.signal="function"==typeof AbortSignal.any?AbortSignal.any([this._abortController.signal,this.manager.abortController.signal]):this._abortController.signal;const o=fetch(t,a).then(function(t){return t.blob()}).then(function(t){return createImageBitmap(t,Object.assign(r.options,{colorSpaceConversion:"none"}))}).then(function(i){Cc.add(`image-bitmap:${t}`,i),e&&e(i),r.manager.itemEnd(t)}).catch(function(e){s&&s(e),_u.set(o,e),Cc.remove(`image-bitmap:${t}`),r.manager.itemError(t),r.manager.itemEnd(t)});Cc.add(`image-bitmap:${t}`,o),r.manager.itemStart(t)}abort(){return this._abortController.abort(),this._abortController=new AbortController,this}}let Tu;class zu{static getContext(){return void 0===Tu&&(Tu=new(window.AudioContext||window.webkitAudioContext)),Tu}static setContext(t){Tu=t}}class Cu extends Oc{constructor(t){super(t)}load(t,e,i,s){const r=this,n=new Ec(this.manager);function a(e){s?s(e):os(e),r.manager.itemError(t)}n.setResponseType("arraybuffer"),n.setPath(this.path),n.setRequestHeader(this.requestHeader),n.setWithCredentials(this.withCredentials),n.load(t,function(i){try{const s=i.slice(0),n=zu.getContext(),o=t+"#decode";r.manager.itemStart(o),n.decodeAudioData(s,function(t){e(t),r.manager.itemEnd(o)}).catch(function(t){a(t),r.manager.itemEnd(o)})}catch(t){a(t)}},i,s)}}const Iu=new Qs,Bu=new Qs,ku=new Qs;class Ou{constructor(){this.type="StereoCamera",this.aspect=1,this.eyeSep=.064,this.cameraL=new iu,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new iu,this.cameraR.layers.enable(2),this.cameraR.matrixAutoUpdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null}}update(t){const e=this._cache;if(e.focus!==t.focus||e.fov!==t.fov||e.aspect!==t.aspect*this.aspect||e.near!==t.near||e.far!==t.far||e.zoom!==t.zoom||e.eyeSep!==this.eyeSep){e.focus=t.focus,e.fov=t.fov,e.aspect=t.aspect*this.aspect,e.near=t.near,e.far=t.far,e.zoom=t.zoom,e.eyeSep=this.eyeSep,ku.copy(t.projectionMatrix);const i=e.eyeSep/2,s=i*e.near/e.focus,r=e.near*Math.tan(ys*e.fov*.5)/e.zoom;let n,a;Bu.elements[12]=-i,Iu.elements[12]=i,n=-r*e.aspect+s,a=r*e.aspect+s,ku.elements[0]=2*e.near/(a-n),ku.elements[8]=(a+n)/(a-n),this.cameraL.projectionMatrix.copy(ku),n=-r*e.aspect-s,a=r*e.aspect-s,ku.elements[0]=2*e.near/(a-n),ku.elements[8]=(a+n)/(a-n),this.cameraR.projectionMatrix.copy(ku)}this.cameraL.matrix.copy(t.matrixWorld).multiply(Bu),this.cameraL.matrixWorldNeedsUpdate=!0,this.cameraR.matrix.copy(t.matrixWorld).multiply(Iu),this.cameraR.matrixWorldNeedsUpdate=!0}}const Pu=-90;class Ru extends Ar{constructor(t,e,i){super(),this.type="CubeCamera",this.renderTarget=i,this.coordinateSystem=null,this.activeMipmapLevel=0;const s=new iu(Pu,1,t,e);s.layers=this.layers,this.add(s);const r=new iu(Pu,1,t,e);r.layers=this.layers,this.add(r);const n=new iu(Pu,1,t,e);n.layers=this.layers,this.add(n);const a=new iu(Pu,1,t,e);a.layers=this.layers,this.add(a);const o=new iu(Pu,1,t,e);o.layers=this.layers,this.add(o);const h=new iu(Pu,1,t,e);h.layers=this.layers,this.add(h)}updateCoordinateSystem(){const t=this.coordinateSystem,e=this.children.concat(),[i,s,r,n,a,o]=e;for(const t of e)this.remove(t);if(t===Wi)i.up.set(0,1,0),i.lookAt(1,0,0),s.up.set(0,1,0),s.lookAt(-1,0,0),r.up.set(0,0,-1),r.lookAt(0,1,0),n.up.set(0,0,1),n.lookAt(0,-1,0),a.up.set(0,1,0),a.lookAt(0,0,1),o.up.set(0,1,0),o.lookAt(0,0,-1);else{if(t!==Ji)throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+t);i.up.set(0,-1,0),i.lookAt(-1,0,0),s.up.set(0,-1,0),s.lookAt(1,0,0),r.up.set(0,0,1),r.lookAt(0,1,0),n.up.set(0,0,-1),n.lookAt(0,-1,0),a.up.set(0,-1,0),a.lookAt(0,0,1),o.up.set(0,-1,0),o.lookAt(0,0,-1)}for(const t of e)this.add(t),t.updateMatrixWorld()}update(t,e){null===this.parent&&this.updateMatrixWorld();const{renderTarget:i,activeMipmapLevel:s}=this;this.coordinateSystem!==t.coordinateSystem&&(this.coordinateSystem=t.coordinateSystem,this.updateCoordinateSystem());const[r,n,a,o,h,l]=this.children,c=t.getRenderTarget(),u=t.getActiveCubeFace(),d=t.getActiveMipmapLevel(),p=t.xr.enabled;t.xr.enabled=!1;const m=i.texture.generateMipmaps;i.texture.generateMipmaps=!1;let y=!1;y=!0===t.isWebGLRenderer?t.state.buffers.depth.getReversed():t.reversedDepthBuffer,t.setRenderTarget(i,0,s),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,r),t.setRenderTarget(i,1,s),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,n),t.setRenderTarget(i,2,s),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,a),t.setRenderTarget(i,3,s),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,o),t.setRenderTarget(i,4,s),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,h),i.texture.generateMipmaps=m,t.setRenderTarget(i,5,s),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,l),t.setRenderTarget(c,u,d),t.xr.enabled=p,i.texture.needsPMREMUpdate=!0}}class Eu extends iu{constructor(t=[]){super(),this.isArrayCamera=!0,this.isMultiViewCamera=!1,this.cameras=t}}class Nu{constructor(){this._previousTime=0,this._currentTime=0,this._startTime=performance.now(),this._delta=0,this._elapsed=0,this._timescale=1,this._document=null,this._pageVisibilityHandler=null}connect(t){this._document=t,void 0!==t.hidden&&(this._pageVisibilityHandler=Vu.bind(this),t.addEventListener("visibilitychange",this._pageVisibilityHandler,!1))}disconnect(){null!==this._pageVisibilityHandler&&(this._document.removeEventListener("visibilitychange",this._pageVisibilityHandler),this._pageVisibilityHandler=null),this._document=null}getDelta(){return this._delta/1e3}getElapsed(){return this._elapsed/1e3}getTimescale(){return this._timescale}setTimescale(t){return this._timescale=t,this}reset(){return this._currentTime=performance.now()-this._startTime,this}dispose(){this.disconnect()}update(t){return null!==this._pageVisibilityHandler&&!0===this._document.hidden?this._delta=0:(this._previousTime=this._currentTime,this._currentTime=(void 0!==t?t:performance.now())-this._startTime,this._delta=(this._currentTime-this._previousTime)*this._timescale,this._elapsed+=this._delta),this}}function Vu(){!1===this._document.hidden&&this.reset()}const Fu=new Ts,Lu=new As,Du=new Ts,ju=new Ts,Uu=new Ts;class Wu extends Ar{constructor(){super(),this.type="AudioListener",this.context=zu.getContext(),this.gain=this.context.createGain(),this.gain.connect(this.context.destination),this.filter=null,this.timeDelta=0,this._timer=new Nu}getInput(){return this.gain}removeFilter(){return null!==this.filter&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null),this}getFilter(){return this.filter}setFilter(t){return null!==this.filter?(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)):this.gain.disconnect(this.context.destination),this.filter=t,this.gain.connect(this.filter),this.filter.connect(this.context.destination),this}getMasterVolume(){return this.gain.gain.value}setMasterVolume(t){return this.gain.gain.setTargetAtTime(t,this.context.currentTime,.01),this}updateMatrixWorld(t){super.updateMatrixWorld(t),this._timer.update();const e=this.context.listener;if(this.timeDelta=this._timer.getDelta(),this.matrixWorld.decompose(Fu,Lu,Du),ju.set(0,0,-1).applyQuaternion(Lu),Uu.set(0,1,0).applyQuaternion(Lu),e.positionX){const t=this.context.currentTime+this.timeDelta;e.positionX.linearRampToValueAtTime(Fu.x,t),e.positionY.linearRampToValueAtTime(Fu.y,t),e.positionZ.linearRampToValueAtTime(Fu.z,t),e.forwardX.linearRampToValueAtTime(ju.x,t),e.forwardY.linearRampToValueAtTime(ju.y,t),e.forwardZ.linearRampToValueAtTime(ju.z,t),e.upX.linearRampToValueAtTime(Uu.x,t),e.upY.linearRampToValueAtTime(Uu.y,t),e.upZ.linearRampToValueAtTime(Uu.z,t)}else e.setPosition(Fu.x,Fu.y,Fu.z),e.setOrientation(ju.x,ju.y,ju.z,Uu.x,Uu.y,Uu.z)}}class Ju extends Ar{constructor(t){super(),this.type="Audio",this.listener=t,this.context=t.context,this.gain=this.context.createGain(),this.gain.connect(t.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType="empty",this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(t){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=t,this.connect(),this}setMediaElementSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(t),this.connect(),this}setMediaStreamSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(t),this.connect(),this}setBuffer(t){return this.buffer=t,this.sourceType="buffer",this.autoplay&&this.play(),this}play(t=0){if(!0===this.isPlaying)return void as("Audio: Audio is already playing.");if(!1===this.hasPlaybackControl)return void as("Audio: this Audio has no playback control.");this._startedAt=this.context.currentTime+t;const e=this.context.createBufferSource();return e.buffer=this.buffer,e.loop=this.loop,e.loopStart=this.loopStart,e.loopEnd=this.loopEnd,e.onended=this.onEnded.bind(this),e.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=e,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(!1!==this.hasPlaybackControl)return!0===this.isPlaying&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,!0===this.loop&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this;as("Audio: this Audio has no playback control.")}stop(t=0){if(!1!==this.hasPlaybackControl)return this._progress=0,null!==this.source&&(this.source.stop(this.context.currentTime+t),this.source.onended=null),this.isPlaying=!1,this;as("Audio: this Audio has no playback control.")}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let t=1,e=this.filters.length;t<e;t++)this.filters[t-1].connect(this.filters[t]);this.filters[this.filters.length-1].connect(this.getOutput())}else this.source.connect(this.getOutput());return this._connected=!0,this}disconnect(){if(!1!==this._connected){if(this.filters.length>0){this.source.disconnect(this.filters[0]);for(let t=1,e=this.filters.length;t<e;t++)this.filters[t-1].disconnect(this.filters[t]);this.filters[this.filters.length-1].disconnect(this.getOutput())}else this.source.disconnect(this.getOutput());return this._connected=!1,this}}getFilters(){return this.filters}setFilters(t){return t||(t=[]),!0===this._connected?(this.disconnect(),this.filters=t.slice(),this.connect()):this.filters=t.slice(),this}setDetune(t){return this.detune=t,!0===this.isPlaying&&void 0!==this.source.detune&&this.source.detune.setTargetAtTime(this.detune,this.context.currentTime,.01),this}getDetune(){return this.detune}getFilter(){return this.getFilters()[0]}setFilter(t){return this.setFilters(t?[t]:[])}setPlaybackRate(t){if(!1!==this.hasPlaybackControl)return this.playbackRate=t,!0===this.isPlaying&&this.source.playbackRate.setTargetAtTime(this.playbackRate,this.context.currentTime,.01),this;as("Audio: this Audio has no playback control.")}getPlaybackRate(){return this.playbackRate}onEnded(){this.isPlaying=!1,this._progress=0}getLoop(){return!1===this.hasPlaybackControl?(as("Audio: this Audio has no playback control."),!1):this.loop}setLoop(t){if(!1!==this.hasPlaybackControl)return this.loop=t,!0===this.isPlaying&&(this.source.loop=this.loop),this;as("Audio: this Audio has no playback control.")}setLoopStart(t){return this.loopStart=t,this}setLoopEnd(t){return this.loopEnd=t,this}getVolume(){return this.gain.gain.value}setVolume(t){return this.gain.gain.setTargetAtTime(t,this.context.currentTime,.01),this}copy(t,e){return super.copy(t,e),"buffer"!==t.sourceType?(as("Audio: Audio source type cannot be copied."),this):(this.autoplay=t.autoplay,this.buffer=t.buffer,this.detune=t.detune,this.loop=t.loop,this.loopStart=t.loopStart,this.loopEnd=t.loopEnd,this.offset=t.offset,this.duration=t.duration,this.playbackRate=t.playbackRate,this.hasPlaybackControl=t.hasPlaybackControl,this.sourceType=t.sourceType,this.filters=t.filters.slice(),this)}clone(t){return new this.constructor(this.listener).copy(this,t)}}const qu=new Ts,Hu=new As,Xu=new Ts,Yu=new Ts;class Zu extends Ju{constructor(t){super(t),this.panner=this.context.createPanner(),this.panner.panningModel="HRTF",this.panner.connect(this.gain)}connect(){return super.connect(),this.panner.connect(this.gain),this}disconnect(){return super.disconnect(),this.panner.disconnect(this.gain),this}getOutput(){return this.panner}getRefDistance(){return this.panner.refDistance}setRefDistance(t){return this.panner.refDistance=t,this}getRolloffFactor(){return this.panner.rolloffFactor}setRolloffFactor(t){return this.panner.rolloffFactor=t,this}getDistanceModel(){return this.panner.distanceModel}setDistanceModel(t){return this.panner.distanceModel=t,this}getMaxDistance(){return this.panner.maxDistance}setMaxDistance(t){return this.panner.maxDistance=t,this}setDirectionalCone(t,e,i){return this.panner.coneInnerAngle=t,this.panner.coneOuterAngle=e,this.panner.coneOuterGain=i,this}updateMatrixWorld(t){if(super.updateMatrixWorld(t),!0===this.hasPlaybackControl&&!1===this.isPlaying)return;this.matrixWorld.decompose(qu,Hu,Xu),Yu.set(0,0,1).applyQuaternion(Hu);const e=this.panner;if(e.positionX){const t=this.context.currentTime+this.listener.timeDelta;e.positionX.linearRampToValueAtTime(qu.x,t),e.positionY.linearRampToValueAtTime(qu.y,t),e.positionZ.linearRampToValueAtTime(qu.z,t),e.orientationX.linearRampToValueAtTime(Yu.x,t),e.orientationY.linearRampToValueAtTime(Yu.y,t),e.orientationZ.linearRampToValueAtTime(Yu.z,t)}else e.setPosition(qu.x,qu.y,qu.z),e.setOrientation(Yu.x,Yu.y,Yu.z)}}class Gu{constructor(t,e=2048){this.analyser=t.context.createAnalyser(),this.analyser.fftSize=e,this.data=new Uint8Array(this.analyser.frequencyBinCount),t.getOutput().connect(this.analyser)}getFrequencyData(){return this.analyser.getByteFrequencyData(this.data),this.data}getAverageFrequency(){let t=0;const e=this.getFrequencyData();for(let i=0;i<e.length;i++)t+=e[i];return t/e.length}}class $u{constructor(t,e,i){let s,r,n;switch(this.binding=t,this.valueSize=i,e){case"quaternion":s=this._slerp,r=this._slerpAdditive,n=this._setAdditiveIdentityQuaternion,this.buffer=new Float64Array(6*i),this._workIndex=5;break;case"string":case"bool":s=this._select,r=this._select,n=this._setAdditiveIdentityOther,this.buffer=new Array(5*i);break;default:s=this._lerp,r=this._lerpAdditive,n=this._setAdditiveIdentityNumeric,this.buffer=new Float64Array(5*i)}this._mixBufferRegion=s,this._mixBufferRegionAdditive=r,this._setIdentity=n,this._origIndex=3,this._addIndex=4,this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,this.useCount=0,this.referenceCount=0}accumulate(t,e){const i=this.buffer,s=this.valueSize,r=t*s+s;let n=this.cumulativeWeight;if(0===n){for(let t=0;t!==s;++t)i[r+t]=i[t];n=e}else{n+=e;const t=e/n;this._mixBufferRegion(i,r,0,t,s)}this.cumulativeWeight=n}accumulateAdditive(t){const e=this.buffer,i=this.valueSize,s=i*this._addIndex;0===this.cumulativeWeightAdditive&&this._setIdentity(),this._mixBufferRegionAdditive(e,s,0,t,i),this.cumulativeWeightAdditive+=t}apply(t){const e=this.valueSize,i=this.buffer,s=t*e+e,r=this.cumulativeWeight,n=this.cumulativeWeightAdditive,a=this.binding;if(this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,r<1){const t=e*this._origIndex;this._mixBufferRegion(i,s,t,1-r,e)}n>0&&this._mixBufferRegionAdditive(i,s,this._addIndex*e,1,e);for(let t=e,r=e+e;t!==r;++t)if(i[t]!==i[t+e]){a.setValue(i,s);break}}saveOriginalState(){const t=this.binding,e=this.buffer,i=this.valueSize,s=i*this._origIndex;t.getValue(e,s);for(let t=i,r=s;t!==r;++t)e[t]=e[s+t%i];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){const t=3*this.valueSize;this.binding.setValue(this.buffer,t)}_setAdditiveIdentityNumeric(){const t=this._addIndex*this.valueSize,e=t+this.valueSize;for(let i=t;i<e;i++)this.buffer[i]=0}_setAdditiveIdentityQuaternion(){this._setAdditiveIdentityNumeric(),this.buffer[this._addIndex*this.valueSize+3]=1}_setAdditiveIdentityOther(){const t=this._origIndex*this.valueSize,e=this._addIndex*this.valueSize;for(let i=0;i<this.valueSize;i++)this.buffer[e+i]=this.buffer[t+i]}_select(t,e,i,s,r){if(s>=.5)for(let s=0;s!==r;++s)t[e+s]=t[i+s]}_slerp(t,e,i,s){As.slerpFlat(t,e,t,e,t,i,s)}_slerpAdditive(t,e,i,s,r){const n=this._workIndex*r;As.multiplyQuaternionsFlat(t,n,t,e,t,i),As.slerpFlat(t,e,t,e,t,n,s)}_lerp(t,e,i,s,r){const n=1-s;for(let a=0;a!==r;++a){const r=e+a;t[r]=t[r]*n+t[i+a]*s}}_lerpAdditive(t,e,i,s,r){for(let n=0;n!==r;++n){const r=e+n;t[r]=t[r]+t[i+n]*s}}}const Qu="\\[\\]\\.:\\/",Ku=new RegExp("["+Qu+"]","g"),td="[^"+Qu+"]",ed="[^"+Qu.replace("\\.","")+"]",id=new RegExp("^"+/((?:WC+[\/:])*)/.source.replace("WC",td)+/(WCOD+)?/.source.replace("WCOD",ed)+/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",td)+/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",td)+"$"),sd=["material","materials","bones","map"];class rd{constructor(t,e,i){this.path=e,this.parsedPath=i||rd.parseTrackName(e),this.node=rd.findNode(t,this.parsedPath.nodeName),this.rootNode=t,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(t,e,i){return t&&t.isAnimationObjectGroup?new rd.Composite(t,e,i):new rd(t,e,i)}static sanitizeNodeName(t){return t.replace(/\s/g,"_").replace(Ku,"")}static parseTrackName(t){const e=id.exec(t);if(null===e)throw new Error("THREE.PropertyBinding: Cannot parse trackName: "+t);const i={nodeName:e[2],objectName:e[3],objectIndex:e[4],propertyName:e[5],propertyIndex:e[6]},s=i.nodeName&&i.nodeName.lastIndexOf(".");if(void 0!==s&&-1!==s){const t=i.nodeName.substring(s+1);-1!==sd.indexOf(t)&&(i.nodeName=i.nodeName.substring(0,s),i.objectName=t)}if(null===i.propertyName||0===i.propertyName.length)throw new Error("THREE.PropertyBinding: can not parse propertyName from trackName: "+t);return i}static findNode(t,e){if(void 0===e||""===e||"."===e||-1===e||e===t.name||e===t.uuid)return t;if(t.skeleton){const i=t.skeleton.getBoneByName(e);if(void 0!==i)return i}if(t.children){const i=function(t){for(let s=0;s<t.length;s++){const r=t[s];if(r.name===e||r.uuid===e)return r;const n=i(r.children);if(n)return n}return null},s=i(t.children);if(s)return s}return null}_getValue_unavailable(){}_setValue_unavailable(){}_getValue_direct(t,e){t[e]=this.targetObject[this.propertyName]}_getValue_array(t,e){const i=this.resolvedProperty;for(let s=0,r=i.length;s!==r;++s)t[e++]=i[s]}_getValue_arrayElement(t,e){t[e]=this.resolvedProperty[this.propertyIndex]}_getValue_toArray(t,e){this.resolvedProperty.toArray(t,e)}_setValue_direct(t,e){this.targetObject[this.propertyName]=t[e]}_setValue_direct_setNeedsUpdate(t,e){this.targetObject[this.propertyName]=t[e],this.targetObject.needsUpdate=!0}_setValue_direct_setMatrixWorldNeedsUpdate(t,e){this.targetObject[this.propertyName]=t[e],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_array(t,e){const i=this.resolvedProperty;for(let s=0,r=i.length;s!==r;++s)i[s]=t[e++]}_setValue_array_setNeedsUpdate(t,e){const i=this.resolvedProperty;for(let s=0,r=i.length;s!==r;++s)i[s]=t[e++];this.targetObject.needsUpdate=!0}_setValue_array_setMatrixWorldNeedsUpdate(t,e){const i=this.resolvedProperty;for(let s=0,r=i.length;s!==r;++s)i[s]=t[e++];this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_arrayElement(t,e){this.resolvedProperty[this.propertyIndex]=t[e]}_setValue_arrayElement_setNeedsUpdate(t,e){this.resolvedProperty[this.propertyIndex]=t[e],this.targetObject.needsUpdate=!0}_setValue_arrayElement_setMatrixWorldNeedsUpdate(t,e){this.resolvedProperty[this.propertyIndex]=t[e],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_fromArray(t,e){this.resolvedProperty.fromArray(t,e)}_setValue_fromArray_setNeedsUpdate(t,e){this.resolvedProperty.fromArray(t,e),this.targetObject.needsUpdate=!0}_setValue_fromArray_setMatrixWorldNeedsUpdate(t,e){this.resolvedProperty.fromArray(t,e),this.targetObject.matrixWorldNeedsUpdate=!0}_getValue_unbound(t,e){this.bind(),this.getValue(t,e)}_setValue_unbound(t,e){this.bind(),this.setValue(t,e)}bind(){let t=this.node;const e=this.parsedPath,i=e.objectName,s=e.propertyName;let r=e.propertyIndex;if(t||(t=rd.findNode(this.rootNode,e.nodeName),this.node=t),this.getValue=this._getValue_unavailable,this.setValue=this._setValue_unavailable,!t)return void as("PropertyBinding: No target node found for track: "+this.path+".");if(i){let s=e.objectIndex;switch(i){case"materials":if(!t.material)return void os("PropertyBinding: Can not bind to material as node does not have a material.",this);if(!t.material.materials)return void os("PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.",this);t=t.material.materials;break;case"bones":if(!t.skeleton)return void os("PropertyBinding: Can not bind to bones as node does not have a skeleton.",this);t=t.skeleton.bones;for(let e=0;e<t.length;e++)if(t[e].name===s){s=e;break}break;case"map":if("map"in t){t=t.map;break}if(!t.material)return void os("PropertyBinding: Can not bind to material as node does not have a material.",this);if(!t.material.map)return void os("PropertyBinding: Can not bind to material.map as node.material does not have a map.",this);t=t.material.map;break;default:if(void 0===t[i])return void os("PropertyBinding: Can not bind to objectName of node undefined.",this);t=t[i]}if(void 0!==s){if(void 0===t[s])return void os("PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.",this,t);t=t[s]}}const n=t[s];if(void 0===n){return void os("PropertyBinding: Trying to update property for track: "+e.nodeName+"."+s+" but it wasn't found.",t)}let a=this.Versioning.None;this.targetObject=t,!0===t.isMaterial?a=this.Versioning.NeedsUpdate:!0===t.isObject3D&&(a=this.Versioning.MatrixWorldNeedsUpdate);let o=this.BindingType.Direct;if(void 0!==r){if("morphTargetInfluences"===s){if(!t.geometry)return void os("PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.",this);if(!t.geometry.morphAttributes)return void os("PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.",this);void 0!==t.morphTargetDictionary[r]&&(r=t.morphTargetDictionary[r])}o=this.BindingType.ArrayElement,this.resolvedProperty=n,this.propertyIndex=r}else void 0!==n.fromArray&&void 0!==n.toArray?(o=this.BindingType.HasFromToArray,this.resolvedProperty=n):Array.isArray(n)?(o=this.BindingType.EntireArray,this.resolvedProperty=n):this.propertyName=s;this.getValue=this.GetterByBindingType[o],this.setValue=this.SetterByBindingTypeAndVersioning[o][a]}unbind(){this.node=null,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}}rd.Composite=class{constructor(t,e,i){const s=i||rd.parseTrackName(e);this._targetGroup=t,this._bindings=t.subscribe_(e,s)}getValue(t,e){this.bind();const i=this._targetGroup.nCachedObjects_,s=this._bindings[i];void 0!==s&&s.getValue(t,e)}setValue(t,e){const i=this._bindings;for(let s=this._targetGroup.nCachedObjects_,r=i.length;s!==r;++s)i[s].setValue(t,e)}bind(){const t=this._bindings;for(let e=this._targetGroup.nCachedObjects_,i=t.length;e!==i;++e)t[e].bind()}unbind(){const t=this._bindings;for(let e=this._targetGroup.nCachedObjects_,i=t.length;e!==i;++e)t[e].unbind()}},rd.prototype.BindingType={Direct:0,EntireArray:1,ArrayElement:2,HasFromToArray:3},rd.prototype.Versioning={None:0,NeedsUpdate:1,MatrixWorldNeedsUpdate:2},rd.prototype.GetterByBindingType=[rd.prototype._getValue_direct,rd.prototype._getValue_array,rd.prototype._getValue_arrayElement,rd.prototype._getValue_toArray],rd.prototype.SetterByBindingTypeAndVersioning=[[rd.prototype._setValue_direct,rd.prototype._setValue_direct_setNeedsUpdate,rd.prototype._setValue_direct_setMatrixWorldNeedsUpdate],[rd.prototype._setValue_array,rd.prototype._setValue_array_setNeedsUpdate,rd.prototype._setValue_array_setMatrixWorldNeedsUpdate],[rd.prototype._setValue_arrayElement,rd.prototype._setValue_arrayElement_setNeedsUpdate,rd.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate],[rd.prototype._setValue_fromArray,rd.prototype._setValue_fromArray_setNeedsUpdate,rd.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate]];class nd{constructor(){this.isAnimationObjectGroup=!0,this.uuid=fs(),this._objects=Array.prototype.slice.call(arguments),this.nCachedObjects_=0;const t={};this._indicesByUUID=t;for(let e=0,i=arguments.length;e!==i;++e)t[arguments[e].uuid]=e;this._paths=[],this._parsedPaths=[],this._bindings=[],this._bindingsIndicesByPath={};const e=this;this.stats={objects:{get total(){return e._objects.length},get inUse(){return this.total-e.nCachedObjects_}},get bindingsPerObject(){return e._bindings.length}}}add(){const t=this._objects,e=this._indicesByUUID,i=this._paths,s=this._parsedPaths,r=this._bindings,n=r.length;let a,o=t.length,h=this.nCachedObjects_;for(let l=0,c=arguments.length;l!==c;++l){const c=arguments[l],u=c.uuid;let d=e[u];if(void 0===d){d=o++,e[u]=d,t.push(c);for(let t=0,e=n;t!==e;++t)r[t].push(new rd(c,i[t],s[t]))}else if(d<h){a=t[d];const o=--h,l=t[o];e[l.uuid]=d,t[d]=l,e[u]=o,t[o]=c;for(let t=0,e=n;t!==e;++t){const e=r[t],n=e[o];let a=e[d];e[d]=n,void 0===a&&(a=new rd(c,i[t],s[t])),e[o]=a}}else t[d]!==a&&os("AnimationObjectGroup: Different objects with the same UUID detected. Clean the caches or recreate your infrastructure when reloading scenes.")}this.nCachedObjects_=h}remove(){const t=this._objects,e=this._indicesByUUID,i=this._bindings,s=i.length;let r=this.nCachedObjects_;for(let n=0,a=arguments.length;n!==a;++n){const a=arguments[n],o=a.uuid,h=e[o];if(void 0!==h&&h>=r){const n=r++,l=t[n];e[l.uuid]=h,t[h]=l,e[o]=n,t[n]=a;for(let t=0,e=s;t!==e;++t){const e=i[t],s=e[n],r=e[h];e[h]=s,e[n]=r}}}this.nCachedObjects_=r}uncache(){const t=this._objects,e=this._indicesByUUID,i=this._bindings,s=i.length;let r=this.nCachedObjects_,n=t.length;for(let a=0,o=arguments.length;a!==o;++a){const o=arguments[a].uuid,h=e[o];if(void 0!==h)if(delete e[o],h<r){const a=--r,o=t[a],l=--n,c=t[l];e[o.uuid]=h,t[h]=o,e[c.uuid]=a,t[a]=c,t.pop();for(let t=0,e=s;t!==e;++t){const e=i[t],s=e[a],r=e[l];e[h]=s,e[a]=r,e.pop()}}else{const r=--n,a=t[r];r>0&&(e[a.uuid]=h),t[h]=a,t.pop();for(let t=0,e=s;t!==e;++t){const e=i[t];e[h]=e[r],e.pop()}}}this.nCachedObjects_=r}subscribe_(t,e){const i=this._bindingsIndicesByPath;let s=i[t];const r=this._bindings;if(void 0!==s)return r[s];const n=this._paths,a=this._parsedPaths,o=this._objects,h=o.length,l=this.nCachedObjects_,c=new Array(h);s=r.length,i[t]=s,n.push(t),a.push(e),r.push(c);for(let i=l,s=o.length;i!==s;++i){const s=o[i];c[i]=new rd(s,t,e)}return c}unsubscribe_(t){const e=this._bindingsIndicesByPath,i=e[t];if(void 0!==i){const s=this._paths,r=this._parsedPaths,n=this._bindings,a=n.length-1,o=n[a];e[t[a]]=i,n[i]=o,n.pop(),r[i]=r[a],r.pop(),s[i]=s[a],s.pop()}}}class ad{constructor(t,e,i=null,s=e.blendMode){this._mixer=t,this._clip=e,this._localRoot=i,this.blendMode=s;const r=e.tracks,n=r.length,a=new Array(n),o={endingStart:De,endingEnd:De};for(let t=0;t!==n;++t){const e=r[t].createInterpolant(null);a[t]=e,e.settings=o}this._interpolantSettings=o,this._interpolants=a,this._propertyBindings=new Array(n),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._restoreTimeScale=null,this._weightInterpolant=null,this.loop=2201,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&0!==this.timeScale&&null===this._startTime&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(t){return this._startTime=t,this}setLoop(t,e){return this.loop=t,this.repetitions=e,this}setEffectiveWeight(t){return this.weight=t,this._effectiveWeight=this.enabled?t:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(t){return this._scheduleFading(t,0,1)}fadeOut(t){return this._scheduleFading(t,1,0)}crossFadeFrom(t,e,i=!1){if(t.fadeOut(e),this.fadeIn(e),!0===i){const i=this._clip.duration,s=t._clip.duration,r=s/i,n=i/s;t._restoreTimeScale=t.timeScale,this._restoreTimeScale=this.timeScale,t.warp(1,r,e),this.warp(n,1,e)}return this}crossFadeTo(t,e,i=!1){return t.crossFadeFrom(this,e,i)}stopFading(){const t=this._weightInterpolant;return null!==t&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}setEffectiveTimeScale(t){return this.timeScale=t,this._effectiveTimeScale=this.paused?0:t,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(t){return this.timeScale=this._clip.duration/t,this.stopWarping()}syncWith(t){return this.time=t.time,this.timeScale=t.timeScale,this.stopWarping()}halt(t){return this.warp(this._effectiveTimeScale,0,t)}warp(t,e,i){const s=this._mixer,r=s.time,n=this.timeScale;let a=this._timeScaleInterpolant;null===a&&(a=s._lendControlInterpolant(),this._timeScaleInterpolant=a);const o=a.parameterPositions,h=a.sampleValues;return o[0]=r,o[1]=r+i,h[0]=t/n,h[1]=e/n,this}stopWarping(){const t=this._timeScaleInterpolant;return null!==t&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this._restoreTimeScale=null,this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(t,e,i,s){if(!this.enabled)return void this._updateWeight(t);const r=this._startTime;if(null!==r){const s=(t-r)*i;s<0||0===i?e=0:(this._startTime=null,e=i*s)}e*=this._updateTimeScale(t);const n=this._updateTime(e),a=this._updateWeight(t);if(a>0){const t=this._interpolants,e=this._propertyBindings;if(this.blendMode===Je)for(let i=0,s=t.length;i!==s;++i)t[i].evaluate(n),e[i].accumulateAdditive(a);else for(let i=0,r=t.length;i!==r;++i)t[i].evaluate(n),e[i].accumulate(s,a)}}_updateWeight(t){let e=0;if(this.enabled){e=this.weight;const i=this._weightInterpolant;if(null!==i){const s=i.evaluate(t)[0];e*=s,t>i.parameterPositions[1]&&(this.stopFading(),0===s&&(this.enabled=!1))}}return this._effectiveWeight=e,e}_updateTimeScale(t){let e=0;if(!this.paused){e=this.timeScale;const i=this._timeScaleInterpolant;if(null!==i){e*=i.evaluate(t)[0],t>i.parameterPositions[1]&&(0===e?this.paused=!0:(null!==this._restoreTimeScale&&(e=this._restoreTimeScale),this.timeScale=e),this.stopWarping())}}return this._effectiveTimeScale=e,e}_updateTime(t){const e=this._clip.duration,i=this.loop;let s=this.time+t,r=this._loopCount;const n=2202===i;if(0===t)return-1===r||!n||1&~r?s:e-s;if(2200===i){-1===r&&(this._loopCount=0,this._setEndings(!0,!0,!1));t:{if(s>=e)s=e;else{if(!(s<0)){this.time=s;break t}s=0}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=s,this._mixer.dispatchEvent({type:"finished",action:this,direction:t<0?-1:1})}}else{if(-1===r&&(t>=0?(r=0,this._setEndings(!0,0===this.repetitions,n)):this._setEndings(0===this.repetitions,!0,n)),s>=e||s<0){const i=Math.floor(s/e);s-=e*i,r+=Math.abs(i);const a=this.repetitions-r;if(a<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,s=t>0?e:0,this.time=s,this._mixer.dispatchEvent({type:"finished",action:this,direction:t>0?1:-1});else{if(1===a){const e=t<0;this._setEndings(e,!e,n)}else this._setEndings(!1,!1,n);this._loopCount=r,this.time=s,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:i})}}else this._loopCount=r,this.time=s;if(n&&!(1&~r))return e-s}return s}_setEndings(t,e,i){const s=this._interpolantSettings;i?(s.endingStart=je,s.endingEnd=je):(s.endingStart=t?this.zeroSlopeAtStart?je:De:Ue,s.endingEnd=e?this.zeroSlopeAtEnd?je:De:Ue)}_scheduleFading(t,e,i){const s=this._mixer,r=s.time;let n=this._weightInterpolant;null===n&&(n=s._lendControlInterpolant(),this._weightInterpolant=n);const a=n.parameterPositions,o=n.sampleValues;return a[0]=r,o[0]=e,a[1]=r+t,o[1]=i,this}}const od=new Float32Array(1);class hd extends ds{constructor(t){super(),this._root=t,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}_bindAction(t,e){const i=t._localRoot||this._root,s=t._clip.tracks,r=s.length,n=t._propertyBindings,a=t._interpolants,o=i.uuid,h=this._bindingsByRootAndName;let l=h[o];void 0===l&&(l={},h[o]=l);for(let t=0;t!==r;++t){const r=s[t],h=r.name;let c=l[h];if(void 0!==c)++c.referenceCount,n[t]=c;else{if(c=n[t],void 0!==c){null===c._cacheIndex&&(++c.referenceCount,this._addInactiveBinding(c,o,h));continue}const s=e&&e._propertyBindings[t].binding.parsedPath;c=new $u(rd.create(i,h,s),r.ValueTypeName,r.getValueSize()),++c.referenceCount,this._addInactiveBinding(c,o,h),n[t]=c}a[t].resultBuffer=c.buffer}}_activateAction(t){if(!this._isActiveAction(t)){if(null===t._cacheIndex){const e=(t._localRoot||this._root).uuid,i=t._clip.uuid,s=this._actionsByClip[i];this._bindAction(t,s&&s.knownActions[0]),this._addInactiveAction(t,i,e)}const e=t._propertyBindings;for(let t=0,i=e.length;t!==i;++t){const i=e[t];0===i.useCount++&&(this._lendBinding(i),i.saveOriginalState())}this._lendAction(t)}}_deactivateAction(t){if(this._isActiveAction(t)){const e=t._propertyBindings;for(let t=0,i=e.length;t!==i;++t){const i=e[t];0===--i.useCount&&(i.restoreOriginalState(),this._takeBackBinding(i))}this._takeBackAction(t)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;const t=this;this.stats={actions:{get total(){return t._actions.length},get inUse(){return t._nActiveActions}},bindings:{get total(){return t._bindings.length},get inUse(){return t._nActiveBindings}},controlInterpolants:{get total(){return t._controlInterpolants.length},get inUse(){return t._nActiveControlInterpolants}}}}_isActiveAction(t){const e=t._cacheIndex;return null!==e&&e<this._nActiveActions}_addInactiveAction(t,e,i){const s=this._actions,r=this._actionsByClip;let n=r[e];if(void 0===n)n={knownActions:[t],actionByRoot:{}},t._byClipCacheIndex=0,r[e]=n;else{const e=n.knownActions;t._byClipCacheIndex=e.length,e.push(t)}t._cacheIndex=s.length,s.push(t),n.actionByRoot[i]=t}_removeInactiveAction(t){const e=this._actions,i=e[e.length-1],s=t._cacheIndex;i._cacheIndex=s,e[s]=i,e.pop(),t._cacheIndex=null;const r=t._clip.uuid,n=this._actionsByClip,a=n[r],o=a.knownActions,h=o[o.length-1],l=t._byClipCacheIndex;h._byClipCacheIndex=l,o[l]=h,o.pop(),t._byClipCacheIndex=null;delete a.actionByRoot[(t._localRoot||this._root).uuid],0===o.length&&delete n[r],this._removeInactiveBindingsForAction(t)}_removeInactiveBindingsForAction(t){const e=t._propertyBindings;for(let t=0,i=e.length;t!==i;++t){const i=e[t];0===--i.referenceCount&&this._removeInactiveBinding(i)}}_lendAction(t){const e=this._actions,i=t._cacheIndex,s=this._nActiveActions++,r=e[s];t._cacheIndex=s,e[s]=t,r._cacheIndex=i,e[i]=r}_takeBackAction(t){const e=this._actions,i=t._cacheIndex,s=--this._nActiveActions,r=e[s];t._cacheIndex=s,e[s]=t,r._cacheIndex=i,e[i]=r}_addInactiveBinding(t,e,i){const s=this._bindingsByRootAndName,r=this._bindings;let n=s[e];void 0===n&&(n={},s[e]=n),n[i]=t,t._cacheIndex=r.length,r.push(t)}_removeInactiveBinding(t){const e=this._bindings,i=t.binding,s=i.rootNode.uuid,r=i.path,n=this._bindingsByRootAndName,a=n[s],o=e[e.length-1],h=t._cacheIndex;o._cacheIndex=h,e[h]=o,e.pop(),delete a[r],0===Object.keys(a).length&&delete n[s]}_lendBinding(t){const e=this._bindings,i=t._cacheIndex,s=this._nActiveBindings++,r=e[s];t._cacheIndex=s,e[s]=t,r._cacheIndex=i,e[i]=r}_takeBackBinding(t){const e=this._bindings,i=t._cacheIndex,s=--this._nActiveBindings,r=e[s];t._cacheIndex=s,e[s]=t,r._cacheIndex=i,e[i]=r}_lendControlInterpolant(){const t=this._controlInterpolants,e=this._nActiveControlInterpolants++;let i=t[e];return void 0===i&&(i=new yc(new Float32Array(2),new Float32Array(2),1,od),i.__cacheIndex=e,t[e]=i),i}_takeBackControlInterpolant(t){const e=this._controlInterpolants,i=t.__cacheIndex,s=--this._nActiveControlInterpolants,r=e[s];t.__cacheIndex=s,e[s]=t,r.__cacheIndex=i,e[i]=r}clipAction(t,e,i){const s=e||this._root,r=s.uuid;let n="string"==typeof t?Tc.findByName(s,t):t;const a=null!==n?n.uuid:t,o=this._actionsByClip[a];let h=null;if(void 0===i&&(i=null!==n?n.blendMode:We),void 0!==o){const t=o.actionByRoot[r];if(void 0!==t&&t.blendMode===i)return t;h=o.knownActions[0],null===n&&(n=h._clip)}if(null===n)return null;const l=new ad(this,n,e,i);return this._bindAction(l,h),this._addInactiveAction(l,a,r),l}existingAction(t,e){const i=e||this._root,s=i.uuid,r="string"==typeof t?Tc.findByName(i,t):t,n=r?r.uuid:t,a=this._actionsByClip[n];return void 0!==a&&a.actionByRoot[s]||null}stopAllAction(){const t=this._actions;for(let e=this._nActiveActions-1;e>=0;--e)t[e].stop();return this}update(t){t*=this.timeScale;const e=this._actions,i=this._nActiveActions,s=this.time+=t,r=Math.sign(t),n=this._accuIndex^=1;for(let a=0;a!==i;++a){e[a]._update(s,t,r,n)}const a=this._bindings,o=this._nActiveBindings;for(let t=0;t!==o;++t)a[t].apply(n);return this}setTime(t){this.time=0;for(let t=0;t<this._actions.length;t++)this._actions[t].time=0;return this.update(t)}getRoot(){return this._root}uncacheClip(t){const e=this._actions,i=t.uuid,s=this._actionsByClip,r=s[i];if(void 0!==r){const t=r.knownActions;for(let i=0,s=t.length;i!==s;++i){const s=t[i];this._deactivateAction(s);const r=s._cacheIndex,n=e[e.length-1];s._cacheIndex=null,s._byClipCacheIndex=null,n._cacheIndex=r,e[r]=n,e.pop(),this._removeInactiveBindingsForAction(s)}delete s[i]}}uncacheRoot(t){const e=t.uuid,i=this._actionsByClip;for(const t in i){const s=i[t].actionByRoot[e];void 0!==s&&(this._deactivateAction(s),this._removeInactiveAction(s))}const s=this._bindingsByRootAndName[e];if(void 0!==s)for(const t in s){const e=s[t];e.restoreOriginalState(),this._removeInactiveBinding(e)}}uncacheAction(t,e){const i=this.existingAction(t,e);null!==i&&(this._deactivateAction(i),this._removeInactiveAction(i))}}class ld extends Hs{constructor(t=1,e=1,i=1,s={}){super(t,e,s),this.isRenderTarget3D=!0,this.depth=i,this.texture=new Gs(null,t,e,i),this._setTextureOptions(s),this.texture.isRenderTargetTexture=!0}}class cd{constructor(t){this.value=t}clone(){return new cd(void 0===this.value.clone?this.value:this.value.clone())}}let ud=0;class dd extends ds{constructor(){super(),this.isUniformsGroup=!0,Object.defineProperty(this,"id",{value:ud++}),this.name="",this.usage=Oi,this.uniforms=[]}add(t){return this.uniforms.push(t),this}remove(t){const e=this.uniforms.indexOf(t);return-1!==e&&this.uniforms.splice(e,1),this}setName(t){return this.name=t,this}setUsage(t){return this.usage=t,this}dispose(){this.dispatchEvent({type:"dispose"})}copy(t){this.name=t.name,this.usage=t.usage;const e=t.uniforms;this.uniforms.length=0;for(let t=0,i=e.length;t<i;t++){const i=Array.isArray(e[t])?e[t]:[e[t]];for(let t=0;t<i.length;t++)this.uniforms.push(i[t].clone())}return this}clone(){return(new this.constructor).copy(this)}}class pd extends Jn{constructor(t,e,i=1){super(t,e),this.isInstancedInterleavedBuffer=!0,this.meshPerAttribute=i}copy(t){return super.copy(t),this.meshPerAttribute=t.meshPerAttribute,this}clone(t){const e=super.clone(t);return e.meshPerAttribute=this.meshPerAttribute,e}toJSON(t){const e=super.toJSON(t);return e.isInstancedInterleavedBuffer=!0,e.meshPerAttribute=this.meshPerAttribute,e}}class md{constructor(t,e,i,s,r,n=!1){this.isGLBufferAttribute=!0,this.name="",this.buffer=t,this.type=e,this.itemSize=i,this.elementSize=s,this.count=r,this.normalized=n,this.version=0}set needsUpdate(t){!0===t&&this.version++}setBuffer(t){return this.buffer=t,this}setType(t,e){return this.type=t,this.elementSize=e,this}setItemSize(t){return this.itemSize=t,this}setCount(t){return this.count=t,this}}const yd=new Qs;class gd{constructor(t,e,i=0,s=1/0){this.ray=new wa(t,e),this.near=i,this.far=s,this.camera=null,this.layers=new lr,this.params={Mesh:{},Line:{threshold:1},LOD:{},Points:{threshold:1},Sprite:{}}}set(t,e){this.ray.set(t,e)}setFromCamera(t,e){e.isPerspectiveCamera?(this.ray.origin.setFromMatrixPosition(e.matrixWorld),this.ray.direction.set(t.x,t.y,.5).unproject(e).sub(this.ray.origin).normalize(),this.camera=e):e.isOrthographicCamera?(this.ray.origin.set(t.x,t.y,e.projectionMatrix.elements[14]).unproject(e),this.ray.direction.set(0,0,-1).transformDirection(e.matrixWorld),this.camera=e):os("Raycaster: Unsupported camera type: "+e.type)}setFromXRController(t){return yd.identity().extractRotation(t.matrixWorld),this.ray.origin.setFromMatrixPosition(t.matrixWorld),this.ray.direction.set(0,0,-1).applyMatrix4(yd),this}intersectObject(t,e=!0,i=[]){return xd(t,this,i,e),i.sort(fd),i}intersectObjects(t,e=!0,i=[]){for(let s=0,r=t.length;s<r;s++)xd(t[s],this,i,e);return i.sort(fd),i}}function fd(t,e){return t.distance-e.distance}function xd(t,e,i,s){let r=!0;if(t.layers.test(e.layers)){!1===t.raycast(e,i)&&(r=!1)}if(!0===r&&!0===s){const s=t.children;for(let t=0,r=s.length;t<r;t++)xd(s[t],e,i,!0)}}class bd{constructor(t=!0){this.autoStart=t,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1,as("Clock: This module has been deprecated. Please use THREE.Timer instead.")}start(){this.startTime=performance.now(),this.oldTime=this.startTime,this.elapsedTime=0,this.running=!0}stop(){this.getElapsedTime(),this.running=!1,this.autoStart=!1}getElapsedTime(){return this.getDelta(),this.elapsedTime}getDelta(){let t=0;if(this.autoStart&&!this.running)return this.start(),0;if(this.running){const e=performance.now();t=(e-this.oldTime)/1e3,this.oldTime=e,this.elapsedTime+=t}return t}}class vd{constructor(t=1,e=0,i=0){this.radius=t,this.phi=e,this.theta=i}set(t,e,i){return this.radius=t,this.phi=e,this.theta=i,this}copy(t){return this.radius=t.radius,this.phi=t.phi,this.theta=t.theta,this}makeSafe(){const t=1e-6;return this.phi=xs(this.phi,t,Math.PI-t),this}setFromVector3(t){return this.setFromCartesianCoords(t.x,t.y,t.z)}setFromCartesianCoords(t,e,i){return this.radius=Math.sqrt(t*t+e*e+i*i),0===this.radius?(this.theta=0,this.phi=0):(this.theta=Math.atan2(t,i),this.phi=Math.acos(xs(e/this.radius,-1,1))),this}clone(){return(new this.constructor).copy(this)}}class wd{constructor(t=1,e=0,i=0){this.radius=t,this.theta=e,this.y=i}set(t,e,i){return this.radius=t,this.theta=e,this.y=i,this}copy(t){return this.radius=t.radius,this.theta=t.theta,this.y=t.y,this}setFromVector3(t){return this.setFromCartesianCoords(t.x,t.y,t.z)}setFromCartesianCoords(t,e,i){return this.radius=Math.sqrt(t*t+i*i),this.theta=Math.atan2(t,i),this.y=e,this}clone(){return(new this.constructor).copy(this)}}class Md{static{Md.prototype.isMatrix2=!0}constructor(t,e,i,s){this.elements=[1,0,0,1],void 0!==t&&this.set(t,e,i,s)}identity(){return this.set(1,0,0,1),this}fromArray(t,e=0){for(let i=0;i<4;i++)this.elements[i]=t[i+e];return this}set(t,e,i,s){const r=this.elements;return r[0]=t,r[2]=e,r[1]=i,r[3]=s,this}}const Sd=new _s;class _d{constructor(t=new _s(1/0,1/0),e=new _s(-1/0,-1/0)){this.isBox2=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromPoints(t){this.makeEmpty();for(let e=0,i=t.length;e<i;e++)this.expandByPoint(t[e]);return this}setFromCenterAndSize(t,e){const i=Sd.copy(e).multiplyScalar(.5);return this.min.copy(t).sub(i),this.max.copy(t).add(i),this}clone(){return(new this.constructor).copy(this)}copy(t){return this.min.copy(t.min),this.max.copy(t.max),this}makeEmpty(){return this.min.x=this.min.y=1/0,this.max.x=this.max.y=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y}getCenter(t){return this.isEmpty()?t.set(0,0):t.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(t){return this.isEmpty()?t.set(0,0):t.subVectors(this.max,this.min)}expandByPoint(t){return this.min.min(t),this.max.max(t),this}expandByVector(t){return this.min.sub(t),this.max.add(t),this}expandByScalar(t){return this.min.addScalar(-t),this.max.addScalar(t),this}containsPoint(t){return t.x>=this.min.x&&t.x<=this.max.x&&t.y>=this.min.y&&t.y<=this.max.y}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y))}intersectsBox(t){return t.max.x>=this.min.x&&t.min.x<=this.max.x&&t.max.y>=this.min.y&&t.min.y<=this.max.y}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,Sd).distanceTo(t)}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const Ad=new Ts,Td=new Ts,zd=new Ts,Cd=new Ts,Id=new Ts,Bd=new Ts,kd=new Ts;class Od{constructor(t=new Ts,e=new Ts){this.start=t,this.end=e}set(t,e){return this.start.copy(t),this.end.copy(e),this}copy(t){return this.start.copy(t.start),this.end.copy(t.end),this}getCenter(t){return t.addVectors(this.start,this.end).multiplyScalar(.5)}delta(t){return t.subVectors(this.end,this.start)}distanceSq(){return this.start.distanceToSquared(this.end)}distance(){return this.start.distanceTo(this.end)}at(t,e){return this.delta(e).multiplyScalar(t).add(this.start)}closestPointToPointParameter(t,e){Ad.subVectors(t,this.start),Td.subVectors(this.end,this.start);const i=Td.dot(Td);if(0===i)return 0;let s=Td.dot(Ad)/i;return e&&(s=xs(s,0,1)),s}closestPointToPoint(t,e,i){const s=this.closestPointToPointParameter(t,e);return this.delta(i).multiplyScalar(s).add(this.start)}distanceSqToLine3(t,e=Bd,i=kd){const s=1e-8*1e-8;let r,n;const a=this.start,o=t.start,h=this.end,l=t.end;zd.subVectors(h,a),Cd.subVectors(l,o),Id.subVectors(a,o);const c=zd.dot(zd),u=Cd.dot(Cd),d=Cd.dot(Id);if(c<=s&&u<=s)return e.copy(a),i.copy(o),e.sub(i),e.dot(e);if(c<=s)r=0,n=d/u,n=xs(n,0,1);else{const t=zd.dot(Id);if(u<=s)n=0,r=xs(-t/c,0,1);else{const e=zd.dot(Cd),i=c*u-e*e;r=0!==i?xs((e*d-t*u)/i,0,1):0,n=(e*r+d)/u,n<0?(n=0,r=xs(-t/c,0,1)):n>1&&(n=1,r=xs((e-t)/c,0,1))}}return e.copy(a).addScaledVector(zd,r),i.copy(o).addScaledVector(Cd,n),e.distanceToSquared(i)}applyMatrix4(t){return this.start.applyMatrix4(t),this.end.applyMatrix4(t),this}equals(t){return t.start.equals(this.start)&&t.end.equals(this.end)}clone(){return(new this.constructor).copy(this)}}const Pd=new Ts;class Rd extends Ar{constructor(t,e){super(),this.light=t,this.matrixAutoUpdate=!1,this.color=e,this.type="SpotLightHelper";const i=new Wn,s=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(let t=0,e=1,i=32;t<i;t++,e++){const r=t/i*Math.PI*2,n=e/i*Math.PI*2;s.push(Math.cos(r),Math.sin(r),1,Math.cos(n),Math.sin(n),1)}i.setAttribute("position",new kn(s,3));const r=new Vo({fog:!1,toneMapped:!1});this.cone=new Zo(i,r),this.add(this.cone),this.update()}dispose(){this.cone.geometry.dispose(),this.cone.material.dispose()}update(){this.light.updateWorldMatrix(!0,!1),this.light.target.updateWorldMatrix(!0,!1),this.parent?(this.parent.updateWorldMatrix(!0),this.matrix.copy(this.parent.matrixWorld).invert().multiply(this.light.matrixWorld)):this.matrix.copy(this.light.matrixWorld),this.matrixWorldNeedsUpdate=!0;const t=this.light.distance?this.light.distance:1e3,e=t*Math.tan(this.light.angle);this.cone.scale.set(e,e,t),Pd.setFromMatrixPosition(this.light.target.matrixWorld),this.cone.lookAt(Pd),void 0!==this.color?this.cone.material.color.set(this.color):this.cone.material.color.copy(this.light.color)}}const Ed=new Ts,Nd=new Qs,Vd=new Qs;class Fd extends Zo{constructor(t){const e=Ld(t),i=new Wn,s=[],r=[];for(let t=0;t<e.length;t++){const i=e[t];i.parent&&i.parent.isBone&&(s.push(0,0,0),s.push(0,0,0),r.push(0,0,0),r.push(0,0,0))}i.setAttribute("position",new kn(s,3)),i.setAttribute("color",new kn(r,3));super(i,new Vo({vertexColors:!0,depthTest:!1,depthWrite:!1,toneMapped:!1,transparent:!0})),this.isSkeletonHelper=!0,this.type="SkeletonHelper",this.root=t,this.bones=e,this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1;const n=new Pr(255),a=new Pr(65280);this.setColors(n,a)}updateMatrixWorld(t){const e=this.bones,i=this.geometry,s=i.getAttribute("position");Vd.copy(this.root.matrixWorld).invert();for(let t=0,i=0;t<e.length;t++){const r=e[t];r.parent&&r.parent.isBone&&(Nd.multiplyMatrices(Vd,r.matrixWorld),Ed.setFromMatrixPosition(Nd),s.setXYZ(i,Ed.x,Ed.y,Ed.z),Nd.multiplyMatrices(Vd,r.parent.matrixWorld),Ed.setFromMatrixPosition(Nd),s.setXYZ(i+1,Ed.x,Ed.y,Ed.z),i+=2)}i.getAttribute("position").needsUpdate=!0,super.updateMatrixWorld(t)}setColors(t,e){const i=this.geometry.getAttribute("color");for(let s=0;s<i.count;s+=2)i.setXYZ(s,t.r,t.g,t.b),i.setXYZ(s+1,e.r,e.g,e.b);return i.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}}function Ld(t){const e=[];!0===t.isBone&&e.push(t);for(let i=0;i<t.children.length;i++)e.push(...Ld(t.children[i]));return e}class Dd extends Ra{constructor(t,e,i){super(new Nl(e,4,2),new Ma({wireframe:!0,fog:!1,toneMapped:!1})),this.light=t,this.color=i,this.type="PointLightHelper",this.matrix=this.light.matrixWorld,this.matrixAutoUpdate=!1,this.update()}dispose(){this.geometry.dispose(),this.material.dispose()}update(){this.matrixWorldNeedsUpdate=!0,this.light.updateWorldMatrix(!0,!1),void 0!==this.color?this.material.color.set(this.color):this.material.color.copy(this.light.color)}}const jd=new Ts,Ud=new Pr,Wd=new Pr;class Jd extends Ar{constructor(t,e,i){super(),this.light=t,this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1,this.color=i,this.type="HemisphereLightHelper";const s=new Ol(e);s.rotateY(.5*Math.PI),this.material=new Ma({wireframe:!0,fog:!1,toneMapped:!1}),void 0===this.color&&(this.material.vertexColors=!0);const r=s.getAttribute("position"),n=new Float32Array(3*r.count);s.setAttribute("color",new Mn(n,3)),this.add(new Ra(s,this.material)),this.update()}dispose(){this.children[0].geometry.dispose(),this.children[0].material.dispose()}update(){const t=this.children[0];if(void 0!==this.color)this.material.color.set(this.color);else{const e=t.geometry.getAttribute("color");Ud.copy(this.light.color),Wd.copy(this.light.groundColor);for(let t=0,i=e.count;t<i;t++){const s=t<i/2?Ud:Wd;e.setXYZ(t,s.r,s.g,s.b)}e.needsUpdate=!0}this.matrixWorldNeedsUpdate=!0,this.light.updateWorldMatrix(!0,!1),t.lookAt(jd.setFromMatrixPosition(this.light.matrixWorld).negate())}}class qd extends Zo{constructor(t=10,e=10,i=4473924,s=8947848){i=new Pr(i),s=new Pr(s);const r=e/2,n=t/e,a=t/2,o=[],h=[];for(let t=0,l=0,c=-a;t<=e;t++,c+=n){o.push(-a,0,c,a,0,c),o.push(c,0,-a,c,0,a);const e=t===r?i:s;e.toArray(h,l),l+=3,e.toArray(h,l),l+=3,e.toArray(h,l),l+=3,e.toArray(h,l),l+=3}const l=new Wn;l.setAttribute("position",new kn(o,3)),l.setAttribute("color",new kn(h,3));super(l,new Vo({vertexColors:!0,toneMapped:!1})),this.type="GridHelper"}dispose(){this.geometry.dispose(),this.material.dispose()}}class Hd extends Zo{constructor(t=10,e=16,i=8,s=64,r=4473924,n=8947848){r=new Pr(r),n=new Pr(n);const a=[],o=[];if(e>1)for(let i=0;i<e;i++){const s=i/e*(2*Math.PI),h=Math.sin(s)*t,l=Math.cos(s)*t;a.push(0,0,0),a.push(h,0,l);const c=1&i?r:n;o.push(c.r,c.g,c.b),o.push(c.r,c.g,c.b)}for(let e=0;e<i;e++){const h=1&e?r:n,l=t-t/i*e;for(let t=0;t<s;t++){let e=t/s*(2*Math.PI),i=Math.sin(e)*l,r=Math.cos(e)*l;a.push(i,0,r),o.push(h.r,h.g,h.b),e=(t+1)/s*(2*Math.PI),i=Math.sin(e)*l,r=Math.cos(e)*l,a.push(i,0,r),o.push(h.r,h.g,h.b)}}const h=new Wn;h.setAttribute("position",new kn(a,3)),h.setAttribute("color",new kn(o,3));super(h,new Vo({vertexColors:!0,toneMapped:!1})),this.type="PolarGridHelper"}dispose(){this.geometry.dispose(),this.material.dispose()}}const Xd=new Ts,Yd=new Ts,Zd=new Ts;class Gd extends Ar{constructor(t,e,i){super(),this.light=t,this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1,this.color=i,this.type="DirectionalLightHelper",void 0===e&&(e=1);let s=new Wn;s.setAttribute("position",new kn([-e,e,0,e,e,0,e,-e,0,-e,-e,0,-e,e,0],3));const r=new Vo({fog:!1,toneMapped:!1});this.lightPlane=new qo(s,r),this.add(this.lightPlane),s=new Wn,s.setAttribute("position",new kn([0,0,0,0,0,1],3)),this.targetLine=new qo(s,r),this.add(this.targetLine),this.update()}dispose(){this.lightPlane.geometry.dispose(),this.lightPlane.material.dispose(),this.targetLine.geometry.dispose(),this.targetLine.material.dispose()}update(){this.matrixWorldNeedsUpdate=!0,this.light.updateWorldMatrix(!0,!1),this.light.target.updateWorldMatrix(!0,!1),Xd.setFromMatrixPosition(this.light.matrixWorld),Yd.setFromMatrixPosition(this.light.target.matrixWorld),Zd.subVectors(Yd,Xd),this.lightPlane.lookAt(Yd),void 0!==this.color?(this.lightPlane.material.color.set(this.color),this.targetLine.material.color.set(this.color)):(this.lightPlane.material.color.copy(this.light.color),this.targetLine.material.color.copy(this.light.color)),this.targetLine.lookAt(Yd),this.targetLine.scale.z=Zd.length()}}const $d=new Ts,Qd=new Qc;class Kd extends Zo{constructor(t){const e=new Wn,i=new Vo({color:16777215,vertexColors:!0,toneMapped:!1}),s=[],r=[],n={};function a(t,e){o(t),o(e)}function o(t){s.push(0,0,0),r.push(0,0,0),void 0===n[t]&&(n[t]=[]),n[t].push(s.length/3-1)}a("n1","n2"),a("n2","n4"),a("n4","n3"),a("n3","n1"),a("f1","f2"),a("f2","f4"),a("f4","f3"),a("f3","f1"),a("n1","f1"),a("n2","f2"),a("n3","f3"),a("n4","f4"),a("p","n1"),a("p","n2"),a("p","n3"),a("p","n4"),a("u1","u2"),a("u2","u3"),a("u3","u1"),a("c","t"),a("p","c"),a("cn1","cn2"),a("cn3","cn4"),a("cf1","cf2"),a("cf3","cf4"),e.setAttribute("position",new kn(s,3)),e.setAttribute("color",new kn(r,3)),super(e,i),this.type="CameraHelper",this.camera=t,this.camera.updateProjectionMatrix&&this.camera.updateProjectionMatrix(),this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1,this.pointMap=n,this.update();const h=new Pr(16755200),l=new Pr(16711680),c=new Pr(43775),u=new Pr(16777215),d=new Pr(3355443);this.setColors(h,l,c,u,d)}setColors(t,e,i,s,r){const n=this.geometry.getAttribute("color");return n.setXYZ(0,t.r,t.g,t.b),n.setXYZ(1,t.r,t.g,t.b),n.setXYZ(2,t.r,t.g,t.b),n.setXYZ(3,t.r,t.g,t.b),n.setXYZ(4,t.r,t.g,t.b),n.setXYZ(5,t.r,t.g,t.b),n.setXYZ(6,t.r,t.g,t.b),n.setXYZ(7,t.r,t.g,t.b),n.setXYZ(8,t.r,t.g,t.b),n.setXYZ(9,t.r,t.g,t.b),n.setXYZ(10,t.r,t.g,t.b),n.setXYZ(11,t.r,t.g,t.b),n.setXYZ(12,t.r,t.g,t.b),n.setXYZ(13,t.r,t.g,t.b),n.setXYZ(14,t.r,t.g,t.b),n.setXYZ(15,t.r,t.g,t.b),n.setXYZ(16,t.r,t.g,t.b),n.setXYZ(17,t.r,t.g,t.b),n.setXYZ(18,t.r,t.g,t.b),n.setXYZ(19,t.r,t.g,t.b),n.setXYZ(20,t.r,t.g,t.b),n.setXYZ(21,t.r,t.g,t.b),n.setXYZ(22,t.r,t.g,t.b),n.setXYZ(23,t.r,t.g,t.b),n.setXYZ(24,e.r,e.g,e.b),n.setXYZ(25,e.r,e.g,e.b),n.setXYZ(26,e.r,e.g,e.b),n.setXYZ(27,e.r,e.g,e.b),n.setXYZ(28,e.r,e.g,e.b),n.setXYZ(29,e.r,e.g,e.b),n.setXYZ(30,e.r,e.g,e.b),n.setXYZ(31,e.r,e.g,e.b),n.setXYZ(32,i.r,i.g,i.b),n.setXYZ(33,i.r,i.g,i.b),n.setXYZ(34,i.r,i.g,i.b),n.setXYZ(35,i.r,i.g,i.b),n.setXYZ(36,i.r,i.g,i.b),n.setXYZ(37,i.r,i.g,i.b),n.setXYZ(38,s.r,s.g,s.b),n.setXYZ(39,s.r,s.g,s.b),n.setXYZ(40,r.r,r.g,r.b),n.setXYZ(41,r.r,r.g,r.b),n.setXYZ(42,r.r,r.g,r.b),n.setXYZ(43,r.r,r.g,r.b),n.setXYZ(44,r.r,r.g,r.b),n.setXYZ(45,r.r,r.g,r.b),n.setXYZ(46,r.r,r.g,r.b),n.setXYZ(47,r.r,r.g,r.b),n.setXYZ(48,r.r,r.g,r.b),n.setXYZ(49,r.r,r.g,r.b),n.needsUpdate=!0,this}update(){const t=this.geometry,e=this.pointMap;let i,s;if(Qd.projectionMatrixInverse.copy(this.camera.projectionMatrixInverse),!0===this.camera.reversedDepth)i=1,s=0;else if(this.camera.coordinateSystem===Wi)i=-1,s=1;else{if(this.camera.coordinateSystem!==Ji)throw new Error("THREE.CameraHelper.update(): Invalid coordinate system: "+this.camera.coordinateSystem);i=0,s=1}tp("c",e,t,Qd,0,0,i),tp("t",e,t,Qd,0,0,s),tp("n1",e,t,Qd,-1,-1,i),tp("n2",e,t,Qd,1,-1,i),tp("n3",e,t,Qd,-1,1,i),tp("n4",e,t,Qd,1,1,i),tp("f1",e,t,Qd,-1,-1,s),tp("f2",e,t,Qd,1,-1,s),tp("f3",e,t,Qd,-1,1,s),tp("f4",e,t,Qd,1,1,s),tp("u1",e,t,Qd,.7,1.1,i),tp("u2",e,t,Qd,-.7,1.1,i),tp("u3",e,t,Qd,0,2,i),tp("cf1",e,t,Qd,-1,0,s),tp("cf2",e,t,Qd,1,0,s),tp("cf3",e,t,Qd,0,-1,s),tp("cf4",e,t,Qd,0,1,s),tp("cn1",e,t,Qd,-1,0,i),tp("cn2",e,t,Qd,1,0,i),tp("cn3",e,t,Qd,0,-1,i),tp("cn4",e,t,Qd,0,1,i),t.getAttribute("position").needsUpdate=!0}dispose(){this.geometry.dispose(),this.material.dispose()}}function tp(t,e,i,s,r,n,a){$d.set(r,n,a).unproject(s);const o=e[t];if(void 0!==o){const t=i.getAttribute("position");for(let e=0,i=o.length;e<i;e++)t.setXYZ(o[e],$d.x,$d.y,$d.z)}}const ep=new Qr;class ip extends Zo{constructor(t,e=16776960){const i=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),s=new Float32Array(24),r=new Wn;r.setIndex(new Mn(i,1)),r.setAttribute("position",new Mn(s,3)),super(r,new Vo({color:e,toneMapped:!1})),this.object=t,this.type="BoxHelper",this.matrixAutoUpdate=!1,this.update()}update(){if(void 0!==this.object&&ep.setFromObject(this.object),ep.isEmpty())return;const t=ep.min,e=ep.max,i=this.geometry.attributes.position,s=i.array;s[0]=e.x,s[1]=e.y,s[2]=e.z,s[3]=t.x,s[4]=e.y,s[5]=e.z,s[6]=t.x,s[7]=t.y,s[8]=e.z,s[9]=e.x,s[10]=t.y,s[11]=e.z,s[12]=e.x,s[13]=e.y,s[14]=t.z,s[15]=t.x,s[16]=e.y,s[17]=t.z,s[18]=t.x,s[19]=t.y,s[20]=t.z,s[21]=e.x,s[22]=t.y,s[23]=t.z,i.needsUpdate=!0,this.geometry.computeBoundingSphere()}setFromObject(t){return this.object=t,this.update(),this}copy(t,e){return super.copy(t,e),this.object=t.object,this}dispose(){this.geometry.dispose(),this.material.dispose()}}class sp extends Zo{constructor(t,e=16776960){const i=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),s=new Wn;s.setIndex(new Mn(i,1)),s.setAttribute("position",new kn([1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,-1,1,-1,-1,-1,-1,1,-1,-1],3)),super(s,new Vo({color:e,toneMapped:!1})),this.box=t,this.type="Box3Helper",this.geometry.computeBoundingSphere()}updateMatrixWorld(t){const e=this.box;e.isEmpty()||(e.getCenter(this.position),e.getSize(this.scale),this.scale.multiplyScalar(.5),super.updateMatrixWorld(t))}dispose(){this.geometry.dispose(),this.material.dispose()}}class rp extends qo{constructor(t,e=1,i=16776960){const s=i,r=new Wn;r.setAttribute("position",new kn([1,-1,0,-1,1,0,-1,-1,0,1,1,0,-1,1,0,-1,-1,0,1,-1,0,1,1,0],3)),r.computeBoundingSphere(),super(r,new Vo({color:s,toneMapped:!1})),this.type="PlaneHelper",this.plane=t,this.size=e;const n=new Wn;n.setAttribute("position",new kn([1,1,0,-1,1,0,-1,-1,0,1,1,0,-1,-1,0,1,-1,0],3)),n.computeBoundingSphere(),this.add(new Ra(n,new Ma({color:s,opacity:.2,transparent:!0,depthWrite:!1,toneMapped:!1})))}updateMatrixWorld(t){this.position.set(0,0,0),this.scale.set(.5*this.size,.5*this.size,1),this.lookAt(this.plane.normal),this.translateZ(-this.plane.constant),super.updateMatrixWorld(t)}dispose(){this.geometry.dispose(),this.material.dispose(),this.children[0].geometry.dispose(),this.children[0].material.dispose()}}const np=new Ts;let ap,op;class hp extends Ar{constructor(t=new Ts(0,0,1),e=new Ts(0,0,0),i=1,s=16776960,r=.2*i,n=.2*r){super(),this.type="ArrowHelper",void 0===ap&&(ap=new Wn,ap.setAttribute("position",new kn([0,0,0,0,1,0],3)),op=new vh(.5,1,5,1),op.translate(0,-.5,0)),this.position.copy(e),this.line=new qo(ap,new Vo({color:s,toneMapped:!1})),this.line.matrixAutoUpdate=!1,this.add(this.line),this.cone=new Ra(op,new Ma({color:s,toneMapped:!1})),this.cone.matrixAutoUpdate=!1,this.add(this.cone),this.setDirection(t),this.setLength(i,r,n)}setDirection(t){if(t.y>.99999)this.quaternion.set(0,0,0,1);else if(t.y<-.99999)this.quaternion.set(1,0,0,0);else{np.set(t.z,0,-t.x).normalize();const e=Math.acos(t.y);this.quaternion.setFromAxisAngle(np,e)}}setLength(t,e=.2*t,i=.2*e){this.line.scale.set(1,Math.max(1e-4,t-e),1),this.line.updateMatrix(),this.cone.scale.set(i,e,i),this.cone.position.y=t,this.cone.updateMatrix()}setColor(t){this.line.material.color.set(t),this.cone.material.color.set(t)}copy(t){return super.copy(t,!1),this.line.copy(t.line),this.cone.copy(t.cone),this}dispose(){this.line.geometry.dispose(),this.line.material.dispose(),this.cone.geometry.dispose(),this.cone.material.dispose()}}class lp extends Zo{constructor(t=1){const e=[0,0,0,t,0,0,0,0,0,0,t,0,0,0,0,0,0,t],i=new Wn;i.setAttribute("position",new kn(e,3)),i.setAttribute("color",new kn([1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],3));super(i,new Vo({vertexColors:!0,toneMapped:!1})),this.type="AxesHelper"}setColors(t,e,i){const s=new Pr,r=this.geometry.attributes.color.array;return s.set(t),s.toArray(r,0),s.toArray(r,3),s.set(e),s.toArray(r,6),s.toArray(r,9),s.set(i),s.toArray(r,12),s.toArray(r,15),this.geometry.attributes.color.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}}class cp{constructor(){this.type="ShapePath",this.color=new Pr,this.subPaths=[],this.currentPath=null,this.userData={}}moveTo(t,e){return this.currentPath=new Gh,this.subPaths.push(this.currentPath),this.currentPath.moveTo(t,e),this}lineTo(t,e){return this.currentPath.lineTo(t,e),this}quadraticCurveTo(t,e,i,s){return this.currentPath.quadraticCurveTo(t,e,i,s),this}bezierCurveTo(t,e,i,s,r,n){return this.currentPath.bezierCurveTo(t,e,i,s,r,n),this}splineThru(t){return this.currentPath.splineThru(t),this}toShapes(){function t(t,e){let i=!1;const s=e.length;for(let r=0,n=s-1;r<s;n=r++){const s=e[r],a=e[n];s.y>t.y!=a.y>t.y&&t.x<(a.x-s.x)*(t.y-s.y)/(a.y-s.y)+s.x&&(i=!i)}return i}function e(e,i){const s=i.getCenter(new _s);if(t(s,e))return s;const r=s.y,n=[],a=e.length;for(let t=0;t<a;t++){const i=e[t],s=e[(t+1)%a];if(i.y>r!=s.y>r){const t=i.x+(r-i.y)*(s.x-i.x)/(s.y-i.y);n.push(t)}}return n.length>1&&(n.sort((t,e)=>t-e),s.x=(n[0]+n[1])/2),s}let i=this.userData.style&&this.userData.style.fillRule||"nonzero";"nonzero"!==i&&"evenodd"!==i&&(as('Fill-rule "'+i+'" is not supported, falling back to "nonzero".'),i="nonzero");const s="nonzero"===i?t=>0!==t:t=>!!(1&t),r=[];for(const t of this.subPaths){const i=t.getPoints();if(i.length<3)continue;const s=Al.area(i);if(0===s)continue;const n=new _d;for(let t=0;t<i.length;t++)n.expandByPoint(i[t]);r.push({subPath:t,points:i,boundingBox:n,interiorPoint:e(i,n),absArea:Math.abs(s),winding:s<0?-1:1,container:null,exclude:!1,role:null})}r.sort((t,e)=>e.absArea-t.absArea);for(let e=0;e<r.length;e++){const i=r[e];let n=0;for(let s=e-1;s>=0;s--){const e=r[s];if(e.boundingBox.containsPoint(i.interiorPoint)&&t(i.interiorPoint,e.points)){i.container=e.exclude?e.container:e,n=e.winding,i.winding+=n;break}}s(i.winding)===s(n)&&(i.exclude=!0)}for(const t of r)t.exclude||(t.role=null===t.container||"hole"===t.container.role?"outer":"hole");const n=[],a=new Map;for(const t of r){if(t.exclude||"outer"!==t.role)continue;const e=new $h;e.curves=t.subPath.curves,n.push(e),a.set(t,e)}for(const t of r){if(t.exclude||"hole"!==t.role)continue;const e=a.get(t.container);if(!e)continue;const i=new Gh;i.curves=t.subPath.curves,e.holes.push(i)}return n}}class up extends ds{constructor(t,e=null){super(),this.object=t,this.domElement=e,this.enabled=!0,this.state=-1,this.keys={},this.mouseButtons={LEFT:null,MIDDLE:null,RIGHT:null},this.touches={ONE:null,TWO:null}}connect(t){void 0!==t?(null!==this.domElement&&this.disconnect(),this.domElement=t):as("Controls: connect() now requires an element.")}disconnect(){}dispose(){}update(){}}function dp(t,e,i,s){const r=function(t){switch(t){case zt:case Ct:return{byteLength:1,components:1};case Bt:case It:case Rt:return{byteLength:2,components:1};case Et:case Nt:return{byteLength:2,components:4};case Ot:case kt:case Pt:return{byteLength:4,components:1};case Ft:case Lt:return{byteLength:4,components:3}}throw new Error(`THREE.TextureUtils: Unknown texture type ${t}.`)}(s);switch(i){case 1021:return t*e;case qt:case Ht:return t*e/r.components*r.byteLength;case 1030:case 1031:return t*e*2/r.components*r.byteLength;case 1022:return t*e*3/r.components*r.byteLength;case Ut:case 1033:return t*e*4/r.components*r.byteLength;case 33776:case 33777:return Math.floor((t+3)/4)*Math.floor((e+3)/4)*8;case 33778:case 33779:return Math.floor((t+3)/4)*Math.floor((e+3)/4)*16;case 35841:case 35843:return Math.max(t,16)*Math.max(e,8)/4;case 35840:case 35842:return Math.max(t,8)*Math.max(e,8)/2;case 36196:case 37492:case 37488:case 37489:return Math.floor((t+3)/4)*Math.floor((e+3)/4)*8;case 37496:case 37490:case 37491:case 37808:return Math.floor((t+3)/4)*Math.floor((e+3)/4)*16;case 37809:return Math.floor((t+4)/5)*Math.floor((e+3)/4)*16;case 37810:return Math.floor((t+4)/5)*Math.floor((e+4)/5)*16;case 37811:return Math.floor((t+5)/6)*Math.floor((e+4)/5)*16;case 37812:return Math.floor((t+5)/6)*Math.floor((e+5)/6)*16;case 37813:return Math.floor((t+7)/8)*Math.floor((e+4)/5)*16;case 37814:return Math.floor((t+7)/8)*Math.floor((e+5)/6)*16;case 37815:return Math.floor((t+7)/8)*Math.floor((e+7)/8)*16;case 37816:return Math.floor((t+9)/10)*Math.floor((e+4)/5)*16;case 37817:return Math.floor((t+9)/10)*Math.floor((e+5)/6)*16;case 37818:return Math.floor((t+9)/10)*Math.floor((e+7)/8)*16;case 37819:return Math.floor((t+9)/10)*Math.floor((e+9)/10)*16;case 37820:return Math.floor((t+11)/12)*Math.floor((e+9)/10)*16;case 37821:return Math.floor((t+11)/12)*Math.floor((e+11)/12)*16;case 36492:case 36494:case 36495:return Math.ceil(t/4)*Math.ceil(e/4)*16;case 36283:case 36284:return Math.ceil(t/4)*Math.ceil(e/4)*8;case 36285:case 36286:return Math.ceil(t/4)*Math.ceil(e/4)*16}throw new Error(`Unable to determine texture byte length for ${i} format.`)}class pp{static contain(t,e){return function(t,e){const i=t.image&&t.image.width?t.image.width/t.image.height:1;return i>e?(t.repeat.x=1,t.repeat.y=i/e,t.offset.x=0,t.offset.y=(1-t.repeat.y)/2):(t.repeat.x=e/i,t.repeat.y=1,t.offset.x=(1-t.repeat.x)/2,t.offset.y=0),t}(t,e)}static cover(t,e){return function(t,e){const i=t.image&&t.image.width?t.image.width/t.image.height:1;return i>e?(t.repeat.x=e/i,t.repeat.y=1,t.offset.x=(1-t.repeat.x)/2,t.offset.y=0):(t.repeat.x=1,t.repeat.y=i/e,t.offset.x=0,t.offset.y=(1-t.repeat.y)/2),t}(t,e)}static fill(t){return function(t){return t.repeat.x=1,t.repeat.y=1,t.offset.x=0,t.offset.y=0,t}(t)}static getByteLength(t,e,i,s){return dp(t,e,i,s)}}"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register",{detail:{revision:t}})),"undefined"!=typeof window&&(window.__THREE__?as("WARNING: Multiple instances of Three.js being imported."):window.__THREE__=t);export{it as ACESFilmicToneMapping,w as AddEquation,$ as AddOperation,Je as AdditiveAnimationBlendMode,g as AdditiveBlending,rt as AgXToneMapping,Dt as AlphaFormat,ki as AlwaysCompare,U as AlwaysDepth,Si as AlwaysStencilFunc,cu as AmbientLight,ad as AnimationAction,Tc as AnimationClip,Nc as AnimationLoader,hd as AnimationMixer,nd as AnimationObjectGroup,dc as AnimationUtils,Bh as ArcCurve,Eu as ArrayCamera,hp as ArrowHelper,at as AttachedBindMode,Ju as Audio,Gu as AudioAnalyser,zu as AudioContext,Wu as AudioListener,Cu as AudioLoader,lp as AxesHelper,d as BackSide,Ye as BasicDepthPacking,o as BasicShadowMap,No as BatchedMesh,fc as BezierInterpolant,Ha as Bone,bc as BooleanKeyframeTrack,_d as Box2,Qr as Box3,sp as Box3Helper,gh as BoxGeometry,ip as BoxHelper,Mn as BufferAttribute,Wn as BufferGeometry,xu as BufferGeometryLoader,Ct as ByteType,Cc as Cache,Qc as Camera,Kd as CameraHelper,uh as CanvasTexture,fh as CapsuleGeometry,Vh as CatmullRomCurve3,et as CineonToneMapping,xh as CircleGeometry,yt as ClampToEdgeWrapping,bd as Clock,Pr as Color,vc as ColorKeyframeTrack,Rs as ColorManagement,Yi as Compatibility,hh as CompressedArrayTexture,lh as CompressedCubeTexture,oh as CompressedTexture,Vc as CompressedTextureLoader,vh as ConeGeometry,L as ConstantAlphaFactor,V as ConstantColorFactor,up as Controls,Ru as CubeCamera,mh as CubeDepthTexture,lt as CubeReflectionMapping,ct as CubeRefractionMapping,ch as CubeTexture,Dc as CubeTextureLoader,pt as CubeUVReflectionMapping,jh as CubicBezierCurve,Uh as CubicBezierCurve3,mc as CubicInterpolant,r as CullFaceBack,n as CullFaceFront,a as CullFaceFrontBack,s as CullFaceNone,Ch as Curve,Zh as CurvePath,b as CustomBlending,st as CustomToneMapping,bh as CylinderGeometry,wd as Cylindrical,Gs as Data3DTexture,Ys as DataArrayTexture,Xa as DataTexture,jc as DataTextureLoader,xn as DataUtils,di as DecrementStencilOp,mi as DecrementWrapStencilOp,kc as DefaultLoadingManager,Wt as DepthFormat,Jt as DepthStencilFormat,ph as DepthTexture,ot as DetachedBindMode,lu as DirectionalLight,Gd as DirectionalLightHelper,gc as DiscreteInterpolant,Mh as DodecahedronGeometry,p as DoubleSide,O as DstAlphaFactor,R as DstColorFactor,Li as DynamicCopyUsage,Pi as DynamicDrawUsage,Ni as DynamicReadUsage,zh as EdgesGeometry,Ih as EllipseCurve,Ti as EqualCompare,q as EqualDepth,xi as EqualStencilFunc,ut as EquirectangularReflectionMapping,dt as EquirectangularRefractionMapping,hr as Euler,ds as EventDispatcher,yh as ExternalTexture,Cl as ExtrudeGeometry,Ec as FileLoader,Bn as Float16BufferAttribute,kn as Float32BufferAttribute,Pt as FloatType,Nr as Fog,Er as FogExp2,ah as FramebufferTexture,u as FrontSide,mo as Frustum,fo as FrustumArray,md as GLBufferAttribute,ji as GLSL1,Ui as GLSL3,Ci as GreaterCompare,X as GreaterDepth,Bi as GreaterEqualCompare,H as GreaterEqualDepth,Mi as GreaterEqualStencilFunc,vi as GreaterStencilFunc,qd as GridHelper,Tr as Group,dh as HTMLTexture,Rt as HalfFloatType,Jc as HemisphereLight,Jd as HemisphereLightHelper,Bl as IcosahedronGeometry,Au as ImageBitmapLoader,Lc as ImageLoader,Fs as ImageUtils,ui as IncrementStencilOp,pi as IncrementWrapStencilOp,$a as InstancedBufferAttribute,fu as InstancedBufferGeometry,pd as InstancedInterleavedBuffer,no as InstancedMesh,Tn as Int16BufferAttribute,Cn as Int32BufferAttribute,Sn as Int8BufferAttribute,kt as IntType,Jn as InterleavedBuffer,Hn as InterleavedBufferAttribute,pc as Interpolant,Le as InterpolateBezier,Ne as InterpolateDiscrete,Ve as InterpolateLinear,Fe as InterpolateSmooth,Xi as InterpolationSamplingMode,Hi as InterpolationSamplingType,yi as InvertStencilOp,li as KeepStencilOp,xc as KeyframeTrack,pa as LOD,kl as LatheGeometry,lr as Layers,Ai as LessCompare,W as LessDepth,zi as LessEqualCompare,J as LessEqualDepth,bi as LessEqualStencilFunc,fi as LessStencilFunc,Wc as Light,pu as LightProbe,qo as Line,Od as Line3,Vo as LineBasicMaterial,Wh as LineCurve,Jh as LineCurve3,oc as LineDashedMaterial,Go as LineLoop,Zo as LineSegments,Mt as LinearFilter,yc as LinearInterpolant,Tt as LinearMipMapLinearFilter,_t as LinearMipMapNearestFilter,At as LinearMipmapLinearFilter,St as LinearMipmapNearestFilter,ii as LinearSRGBColorSpace,K as LinearToneMapping,si as LinearTransfer,Oc as Loader,gu as LoaderUtils,Bc as LoadingManager,Pe as LoopOnce,Ee as LoopPingPong,Re as LoopRepeat,e as MOUSE,Zn as Material,v as MaterialBlending,yu as MaterialLoader,Ss as MathUtils,Md as Matrix2,Is as Matrix3,Qs as Matrix4,A as MaxEquation,Ra as Mesh,Ma as MeshBasicMaterial,rc as MeshDepthMaterial,nc as MeshDistanceMaterial,sc as MeshLambertMaterial,ac as MeshMatcapMaterial,ic as MeshNormalMaterial,tc as MeshPhongMaterial,Kl as MeshPhysicalMaterial,Ql as MeshStandardMaterial,ec as MeshToonMaterial,_ as MinEquation,gt as MirroredRepeatWrapping,G as MixOperation,x as MultiplyBlending,Z as MultiplyOperation,ft as NearestFilter,wt as NearestMipMapLinearFilter,bt as NearestMipMapNearestFilter,vt as NearestMipmapLinearFilter,xt as NearestMipmapNearestFilter,nt as NeutralToneMapping,_i as NeverCompare,j as NeverDepth,gi as NeverStencilFunc,m as NoBlending,ti as NoColorSpace,ni as NoNormalPacking,Q as NoToneMapping,We as NormalAnimationBlendMode,y as NormalBlending,oi as NormalGAPacking,ai as NormalRGPacking,Ii as NotEqualCompare,Y as NotEqualDepth,wi as NotEqualStencilFunc,wc as NumberKeyframeTrack,Ar as Object3D,vu as ObjectLoader,Ke as ObjectSpaceNormalMap,Ol as OctahedronGeometry,z as OneFactor,D as OneMinusConstantAlphaFactor,F as OneMinusConstantColorFactor,P as OneMinusDstAlphaFactor,E as OneMinusDstColorFactor,k as OneMinusSrcAlphaFactor,I as OneMinusSrcColorFactor,ou as OrthographicCamera,h as PCFShadowMap,l as PCFSoftShadowMap,Gh as Path,iu as PerspectiveCamera,lo as Plane,Pl as PlaneGeometry,rp as PlaneHelper,au as PointLight,Dd as PointLightHelper,ih as Points,$o as PointsMaterial,Hd as PolarGridHelper,wh as PolyhedronGeometry,Zu as PositionalAudio,rd as PropertyBinding,$u as PropertyMixer,qh as QuadraticBezierCurve,Hh as QuadraticBezierCurve3,As as Quaternion,Sc as QuaternionKeyframeTrack,Mc as QuaternionLinearInterpolant,he as R11_EAC_Format,gs as RAD2DEG,ke as RED_GREEN_RGTC2_Format,Ie as RED_RGTC1_Format,t as REVISION,ce as RG11_EAC_Format,Ze as RGBADepthPacking,Ut as RGBAFormat,Gt as RGBAIntegerFormat,Se as RGBA_ASTC_10x10_Format,ve as RGBA_ASTC_10x5_Format,we as RGBA_ASTC_10x6_Format,Me as RGBA_ASTC_10x8_Format,_e as RGBA_ASTC_12x10_Format,Ae as RGBA_ASTC_12x12_Format,de as RGBA_ASTC_4x4_Format,pe as RGBA_ASTC_5x4_Format,me as RGBA_ASTC_5x5_Format,ye as RGBA_ASTC_6x5_Format,ge as RGBA_ASTC_6x6_Format,fe as RGBA_ASTC_8x5_Format,xe as RGBA_ASTC_8x6_Format,be as RGBA_ASTC_8x8_Format,Te as RGBA_BPTC_Format,oe as RGBA_ETC2_EAC_Format,re as RGBA_PVRTC_2BPPV1_Format,se as RGBA_PVRTC_4BPPV1_Format,Qt as RGBA_S3TC_DXT1_Format,Kt as RGBA_S3TC_DXT3_Format,te as RGBA_S3TC_DXT5_Format,Ge as RGBDepthPacking,jt as RGBFormat,Zt as RGBIntegerFormat,ze as RGB_BPTC_SIGNED_Format,Ce as RGB_BPTC_UNSIGNED_Format,ne as RGB_ETC1_Format,ae as RGB_ETC2_Format,ie as RGB_PVRTC_2BPPV1_Format,ee as RGB_PVRTC_4BPPV1_Format,$t as RGB_S3TC_DXT1_Format,$e as RGDepthPacking,Xt as RGFormat,Yt as RGIntegerFormat,$l as RawShaderMaterial,wa as Ray,gd as Raycaster,uu as RectAreaLight,qt as RedFormat,Ht as RedIntegerFormat,tt as ReinhardToneMapping,Hs as RenderTarget,ld as RenderTarget3D,mt as RepeatWrapping,ci as ReplaceStencilOp,S as ReverseSubtractEquation,us as ReversedDepthFuncs,Rl as RingGeometry,le as SIGNED_R11_EAC_Format,Oe as SIGNED_RED_GREEN_RGTC2_Format,Be as SIGNED_RED_RGTC1_Format,ue as SIGNED_RG11_EAC_Format,ei as SRGBColorSpace,ri as SRGBTransfer,Vr as Scene,Gl as ShaderMaterial,Jl as ShadowMaterial,$h as Shape,El as ShapeGeometry,cp as ShapePath,Al as ShapeUtils,It as ShortType,Ga as Skeleton,Fd as SkeletonHelper,qa as SkinnedMesh,Ds as Source,En as Sphere,Nl as SphereGeometry,vd as Spherical,du as SphericalHarmonics3,Xh as SplineCurve,ru as SpotLight,Rd as SpotLightHelper,la as Sprite,Gn as SpriteMaterial,B as SrcAlphaFactor,N as SrcAlphaSaturateFactor,C as SrcColorFactor,Fi as StaticCopyUsage,Oi as StaticDrawUsage,Ei as StaticReadUsage,Ou as StereoCamera,Di as StreamCopyUsage,Ri as StreamDrawUsage,Vi as StreamReadUsage,_c as StringKeyframeTrack,M as SubtractEquation,f as SubtractiveBlending,i as TOUCH,Qe as TangentSpaceNormalMap,Vl as TetrahedronGeometry,Js as Texture,Uc as TextureLoader,pp as TextureUtils,Nu as Timer,qi as TimestampQuery,Fl as TorusGeometry,Ll as TorusKnotGeometry,$r as Triangle,Xe as TriangleFanDrawMode,He as TriangleStripDrawMode,qe as TrianglesDrawMode,Dl as TubeGeometry,ht as UVMapping,zn as Uint16BufferAttribute,In as Uint32BufferAttribute,_n as Uint8BufferAttribute,An as Uint8ClampedBufferAttribute,cd as Uniform,dd as UniformsGroup,Zl as UniformsUtils,zt as UnsignedByteType,Lt as UnsignedInt101111Type,Vt as UnsignedInt248Type,Ft as UnsignedInt5999Type,Ot as UnsignedIntType,Et as UnsignedShort4444Type,Nt as UnsignedShort5551Type,Bt as UnsignedShortType,c as VSMShadowMap,_s as Vector2,Ts as Vector3,qs as Vector4,Ac as VectorKeyframeTrack,nh as VideoFrameTexture,rh as VideoTexture,$s as WebGL3DRenderTarget,Zs as WebGLArrayRenderTarget,Wi as WebGLCoordinateSystem,Xs as WebGLRenderTarget,Ji as WebGPUCoordinateSystem,Cr as WebXRController,jl as WireframeGeometry,Ue as WrapAroundEnding,De as ZeroCurvatureEnding,T as ZeroFactor,je as ZeroSlopeEnding,hi as ZeroStencilOp,ql as cloneUniforms,Ki as createCanvasElement,Qi as createElementNS,os as error,dp as getByteLength,ss as getConsoleFunction,Yl as getUnlitUniformColorSpace,$i as isTypedArray,rs as log,Hl as mergeUniforms,cs as probeAsync,is as setConsoleFunction,as as warn,hs as warnOnce,ls as yieldToMain};
diff --git a/build/three.tsl.js b/build/three.tsl.js
index c77a9893848e56..87334444c040c7 100644
--- a/build/three.tsl.js
+++ b/build/three.tsl.js
@@ -182,6 +182,7 @@ const dynamicBufferAttribute = TSL.dynamicBufferAttribute;
 const element = TSL.element;
 const emissive = TSL.emissive;
 const equal = TSL.equal;
+const equirectDirection = TSL.equirectDirection;
 const equirectUV = TSL.equirectUV;
 const exp = TSL.exp;
 const exp2 = TSL.exp2;
@@ -382,6 +383,7 @@ const mx_worley_noise_float = TSL.mx_worley_noise_float;
 const mx_worley_noise_vec2 = TSL.mx_worley_noise_vec2;
 const mx_worley_noise_vec3 = TSL.mx_worley_noise_vec3;
 const negate = TSL.negate;
+const negateOnBackSide = TSL.negateOnBackSide;
 const neutralToneMapping = TSL.neutralToneMapping;
 const nodeArray = TSL.nodeArray;
 const nodeImmutable = TSL.nodeImmutable;
@@ -574,6 +576,8 @@ const toneMappingExposure = TSL.toneMappingExposure;
 const toonOutlinePass = TSL.toonOutlinePass;
 const transformDirection = TSL.transformDirection;
 const transformNormal = TSL.transformNormal;
+const transformNormalByInverseViewMatrix = TSL.transformNormalByInverseViewMatrix;
+const transformNormalByViewMatrix = TSL.transformNormalByViewMatrix;
 const transformNormalToView = TSL.transformNormalToView;
 const transformedClearcoatNormalView = TSL.transformedClearcoatNormalView;
 const transformedNormalView = TSL.transformedNormalView;
@@ -652,4 +656,4 @@ for ( const key of Object.keys( THREE.TSL ) ) {
 log( code );
 //*/
 
-export { BRDF_GGX, BRDF_Lambert, BasicPointShadowFilter, BasicShadowFilter, Break, Const, Continue, DFGLUT, D_GGX, Discard, EPSILON, F_Schlick, Fn, HALF_PI, INFINITY, If, Loop, NodeAccess, NodeShaderStage, NodeType, NodeUpdateType, OnBeforeMaterialUpdate, OnBeforeObjectUpdate, OnMaterialUpdate, OnObjectUpdate, PCFShadowFilter, PCFSoftShadowFilter, PI, PI2, PointShadowFilter, Return, Schlick_to_F0, ShaderNode, Stack, Switch, TBNViewMatrix, TWO_PI, VSMShadowFilter, V_GGX_SmithCorrelated, Var, VarIntent, abs, acesFilmicToneMapping, acos, acosh, add, addMethodChaining, addNodeElement, agxToneMapping, all, alphaT, ambientOcclusion, and, anisotropy, anisotropyB, anisotropyT, any, append, array, asin, asinh, assign, atan, atanh, atomicAdd, atomicAnd, atomicFunc, atomicLoad, atomicMax, atomicMin, atomicOr, atomicStore, atomicSub, atomicXor, attenuationColor, attenuationDistance, attribute, attributeArray, backgroundBlurriness, backgroundIntensity, backgroundRotation, batch, bentNormalView, billboarding, bitAnd, bitNot, bitOr, bitXor, bitangentGeometry, bitangentLocal, bitangentView, bitangentWorld, bitcast, blendBurn, blendColor, blendDodge, blendOverlay, blendScreen, blur, bool, buffer, bufferAttribute, builtin, builtinAOContext, builtinShadowContext, bumpMap, bvec2, bvec3, bvec4, bypass, cache, call, cameraFar, cameraIndex, cameraNear, cameraNormalMatrix, cameraPosition, cameraProjectionMatrix, cameraProjectionMatrixInverse, cameraViewMatrix, cameraViewport, cameraWorldMatrix, cbrt, cdl, ceil, checker, cineonToneMapping, clamp, clearcoat, clearcoatNormalView, clearcoatRoughness, clipSpace, code, color, colorSpaceToWorking, colorToDirection, compute, computeKernel, computeSkinning, context, convert, convertColorSpace, convertToTexture, cos, cosh, countLeadingZeros, countOneBits, countTrailingZeros, cross, cubeTexture, cubeTextureBase, dFdx, dFdy, dashSize, debug, decrement, decrementBefore, defaultBuildStages, defaultShaderStages, defined, degrees, deltaTime, densityFog, densityFogFactor, depth, depthPass, determinant, difference, diffuseColor, directPointLight, directionToColor, directionToFaceDirection, dispersion, distance, div, dot, drawIndex, dynamicBufferAttribute, element, emissive, equal, equirectUV, exp, exp2, exponentialHeightFogFactor, expression, faceDirection, faceForward, faceforward, float, floatBitsToInt, floatBitsToUint, floor, fog, fract, frameGroup, frameId, frontFacing, fwidth, gain, gapSize, getConstNodeType, getCurrentStack, getDirection, getDistanceAttenuation, getGeometryRoughness, getNormalFromDepth, getParallaxCorrectNormal, getRoughness, getScreenPosition, getShIrradianceAt, getShadowMaterial, getShadowRenderObjectFunction, getTextureIndex, getViewPosition, globalId, glsl, glslFn, grayscale, greaterThan, greaterThanEqual, hash, highpModelNormalViewMatrix, highpModelViewMatrix, hue, increment, incrementBefore, instance, instanceIndex, instancedArray, instancedBufferAttribute, instancedDynamicBufferAttribute, instancedMesh, int, intBitsToFloat, interleavedGradientNoise, inverse, inverseSqrt, inversesqrt, invocationLocalIndex, invocationSubgroupIndex, ior, iridescence, iridescenceIOR, iridescenceThickness, ivec2, ivec3, ivec4, js, label, length, lengthSq, lessThan, lessThanEqual, lightPosition, lightProjectionUV, lightShadowMatrix, lightTargetDirection, lightTargetPosition, lightViewPosition, lightingContext, lights, linearDepth, linearToneMapping, localId, log, log2, logarithmicDepthToViewZ, luminance, mat2, mat3, mat4, matcapUV, materialAO, materialAlphaTest, materialAnisotropy, materialAnisotropyVector, materialAttenuationColor, materialAttenuationDistance, materialClearcoat, materialClearcoatNormal, materialClearcoatRoughness, materialColor, materialDispersion, materialEmissive, materialEnvIntensity, materialEnvRotation, materialIOR, materialIridescence, materialIridescenceIOR, materialIridescenceThickness, materialLightMap, materialLineDashOffset, materialLineDashSize, materialLineGapSize, materialLineScale, materialLineWidth, materialMetalness, materialNormal, materialOpacity, materialPointSize, materialReference, materialReflectivity, materialRefractionRatio, materialRotation, materialRoughness, materialSheen, materialSheenRoughness, materialShininess, materialSpecular, materialSpecularColor, materialSpecularIntensity, materialSpecularStrength, materialThickness, materialTransmission, max, maxMipLevel, mediumpModelViewMatrix, metalness, min, mix, mixElement, mod, modelDirection, modelNormalMatrix, modelPosition, modelRadius, modelScale, modelViewMatrix, modelViewPosition, modelViewProjection, modelWorldMatrix, modelWorldMatrixInverse, morphReference, mrt, mul, mx_aastep, mx_add, mx_atan2, mx_cell_noise_float, mx_contrast, mx_divide, mx_fractal_noise_float, mx_fractal_noise_vec2, mx_fractal_noise_vec3, mx_fractal_noise_vec4, mx_frame, mx_heighttonormal, mx_hsvtorgb, mx_ifequal, mx_ifgreater, mx_ifgreatereq, mx_invert, mx_modulo, mx_multiply, mx_noise_float, mx_noise_vec3, mx_noise_vec4, mx_place2d, mx_power, mx_ramp4, mx_ramplr, mx_ramptb, mx_rgbtohsv, mx_rotate2d, mx_rotate3d, mx_safepower, mx_separate, mx_splitlr, mx_splittb, mx_srgb_texture_to_lin_rec709, mx_subtract, mx_timer, mx_transform_uv, mx_unifiednoise2d, mx_unifiednoise3d, mx_worley_noise_float, mx_worley_noise_vec2, mx_worley_noise_vec3, negate, neutralToneMapping, nodeArray, nodeImmutable, nodeObject, nodeObjectIntent, nodeObjects, nodeProxy, nodeProxyIntent, normalFlat, normalGeometry, normalLocal, normalMap, normalView, normalViewGeometry, normalWorld, normalWorldGeometry, normalize, not, notEqual, numWorkgroups, objectDirection, objectGroup, objectPosition, objectRadius, objectScale, objectViewPosition, objectWorldMatrix, oneMinus, or, orthographicDepthToViewZ, oscSawtooth, oscSine, oscSquare, oscTriangle, output, outputStruct, overloadingFn, packHalf2x16, packNormalToRGB, packSnorm2x16, packUnorm2x16, parabola, parallaxDirection, parallaxUV, parameter, pass, passTexture, pcurve, perspectiveDepthToViewZ, pmremTexture, pointShadow, pointUV, pointWidth, positionGeometry, positionLocal, positionPrevious, positionView, positionViewDirection, positionWorld, positionWorldDirection, posterize, pow, pow2, pow3, pow4, premultiplyAlpha, property, radians, rand, range, rangeFog, rangeFogFactor, reciprocal, reference, referenceBuffer, reflect, reflectVector, reflectView, reflector, refract, refractVector, refractView, reinhardToneMapping, remap, remapClamp, renderGroup, renderOutput, rendererReference, replaceDefaultUV, rotate, rotateUV, roughness, round, rtt, sRGBTransferEOTF, sRGBTransferOETF, sample, sampler, samplerComparison, saturate, saturation, screen, screenCoordinate, screenDPR, screenSize, screenUV, select, setCurrentStack, setName, shaderStages, shadow, shadowPositionWorld, shapeCircle, sharedUniformGroup, sheen, sheenRoughness, shiftLeft, shiftRight, shininess, sign, sin, sinc, sinh, skinning, smoothstep, smoothstepElement, specularColor, specularF90, spherizeUV, split, spritesheetUV, sqrt, stack, step, stepElement, storage, storageBarrier, storageTexture, storageTexture3D, struct, sub, subBuild, subgroupAdd, subgroupAll, subgroupAnd, subgroupAny, subgroupBallot, subgroupBroadcast, subgroupBroadcastFirst, subgroupElect, subgroupExclusiveAdd, subgroupExclusiveMul, subgroupInclusiveAdd, subgroupInclusiveMul, subgroupIndex, subgroupMax, subgroupMin, subgroupMul, subgroupOr, subgroupShuffle, subgroupShuffleDown, subgroupShuffleUp, subgroupShuffleXor, subgroupSize, subgroupXor, tan, tangentGeometry, tangentLocal, tangentView, tangentWorld, tanh, texture, texture3D, textureBarrier, textureBicubic, textureBicubicLevel, textureCubeUV, textureLevel, textureLoad, textureSize, textureStore, thickness, time, toneMapping, toneMappingExposure, toonOutlinePass, transformDirection, transformNormal, transformNormalToView, transformedClearcoatNormalView, transformedNormalView, transformedNormalWorld, transmission, transpose, triNoise3D, triplanarTexture, triplanarTextures, trunc, uint, uintBitsToFloat, uniform, uniformArray, uniformCubeTexture, uniformFlow, uniformGroup, uniformTexture, unpackHalf2x16, unpackRGBToNormal, unpackSnorm2x16, unpackUnorm2x16, unpremultiplyAlpha, userData, uv, uvec2, uvec3, uvec4, varying, varyingProperty, vec2, vec3, vec4, vectorComponents, velocity, vertexColor, vertexIndex, vertexStage, vibrance, viewZToLogarithmicDepth, viewZToOrthographicDepth, viewZToPerspectiveDepth, viewZToReversedOrthographicDepth, viewZToReversedPerspectiveDepth, viewport, viewportCoordinate, viewportDepthTexture, viewportLinearDepth, viewportMipTexture, viewportOpaqueMipTexture, viewportResolution, viewportSafeUV, viewportSharedTexture, viewportSize, viewportTexture, viewportUV, vogelDiskSample, wgsl, wgslFn, workgroupArray, workgroupBarrier, workgroupId, workingToColorSpace, xor };
+export { BRDF_GGX, BRDF_Lambert, BasicPointShadowFilter, BasicShadowFilter, Break, Const, Continue, DFGLUT, D_GGX, Discard, EPSILON, F_Schlick, Fn, HALF_PI, INFINITY, If, Loop, NodeAccess, NodeShaderStage, NodeType, NodeUpdateType, OnBeforeMaterialUpdate, OnBeforeObjectUpdate, OnMaterialUpdate, OnObjectUpdate, PCFShadowFilter, PCFSoftShadowFilter, PI, PI2, PointShadowFilter, Return, Schlick_to_F0, ShaderNode, Stack, Switch, TBNViewMatrix, TWO_PI, VSMShadowFilter, V_GGX_SmithCorrelated, Var, VarIntent, abs, acesFilmicToneMapping, acos, acosh, add, addMethodChaining, addNodeElement, agxToneMapping, all, alphaT, ambientOcclusion, and, anisotropy, anisotropyB, anisotropyT, any, append, array, asin, asinh, assign, atan, atanh, atomicAdd, atomicAnd, atomicFunc, atomicLoad, atomicMax, atomicMin, atomicOr, atomicStore, atomicSub, atomicXor, attenuationColor, attenuationDistance, attribute, attributeArray, backgroundBlurriness, backgroundIntensity, backgroundRotation, batch, bentNormalView, billboarding, bitAnd, bitNot, bitOr, bitXor, bitangentGeometry, bitangentLocal, bitangentView, bitangentWorld, bitcast, blendBurn, blendColor, blendDodge, blendOverlay, blendScreen, blur, bool, buffer, bufferAttribute, builtin, builtinAOContext, builtinShadowContext, bumpMap, bvec2, bvec3, bvec4, bypass, cache, call, cameraFar, cameraIndex, cameraNear, cameraNormalMatrix, cameraPosition, cameraProjectionMatrix, cameraProjectionMatrixInverse, cameraViewMatrix, cameraViewport, cameraWorldMatrix, cbrt, cdl, ceil, checker, cineonToneMapping, clamp, clearcoat, clearcoatNormalView, clearcoatRoughness, clipSpace, code, color, colorSpaceToWorking, colorToDirection, compute, computeKernel, computeSkinning, context, convert, convertColorSpace, convertToTexture, cos, cosh, countLeadingZeros, countOneBits, countTrailingZeros, cross, cubeTexture, cubeTextureBase, dFdx, dFdy, dashSize, debug, decrement, decrementBefore, defaultBuildStages, defaultShaderStages, defined, degrees, deltaTime, densityFog, densityFogFactor, depth, depthPass, determinant, difference, diffuseColor, directPointLight, directionToColor, directionToFaceDirection, dispersion, distance, div, dot, drawIndex, dynamicBufferAttribute, element, emissive, equal, equirectDirection, equirectUV, exp, exp2, exponentialHeightFogFactor, expression, faceDirection, faceForward, faceforward, float, floatBitsToInt, floatBitsToUint, floor, fog, fract, frameGroup, frameId, frontFacing, fwidth, gain, gapSize, getConstNodeType, getCurrentStack, getDirection, getDistanceAttenuation, getGeometryRoughness, getNormalFromDepth, getParallaxCorrectNormal, getRoughness, getScreenPosition, getShIrradianceAt, getShadowMaterial, getShadowRenderObjectFunction, getTextureIndex, getViewPosition, globalId, glsl, glslFn, grayscale, greaterThan, greaterThanEqual, hash, highpModelNormalViewMatrix, highpModelViewMatrix, hue, increment, incrementBefore, instance, instanceIndex, instancedArray, instancedBufferAttribute, instancedDynamicBufferAttribute, instancedMesh, int, intBitsToFloat, interleavedGradientNoise, inverse, inverseSqrt, inversesqrt, invocationLocalIndex, invocationSubgroupIndex, ior, iridescence, iridescenceIOR, iridescenceThickness, ivec2, ivec3, ivec4, js, label, length, lengthSq, lessThan, lessThanEqual, lightPosition, lightProjectionUV, lightShadowMatrix, lightTargetDirection, lightTargetPosition, lightViewPosition, lightingContext, lights, linearDepth, linearToneMapping, localId, log, log2, logarithmicDepthToViewZ, luminance, mat2, mat3, mat4, matcapUV, materialAO, materialAlphaTest, materialAnisotropy, materialAnisotropyVector, materialAttenuationColor, materialAttenuationDistance, materialClearcoat, materialClearcoatNormal, materialClearcoatRoughness, materialColor, materialDispersion, materialEmissive, materialEnvIntensity, materialEnvRotation, materialIOR, materialIridescence, materialIridescenceIOR, materialIridescenceThickness, materialLightMap, materialLineDashOffset, materialLineDashSize, materialLineGapSize, materialLineScale, materialLineWidth, materialMetalness, materialNormal, materialOpacity, materialPointSize, materialReference, materialReflectivity, materialRefractionRatio, materialRotation, materialRoughness, materialSheen, materialSheenRoughness, materialShininess, materialSpecular, materialSpecularColor, materialSpecularIntensity, materialSpecularStrength, materialThickness, materialTransmission, max, maxMipLevel, mediumpModelViewMatrix, metalness, min, mix, mixElement, mod, modelDirection, modelNormalMatrix, modelPosition, modelRadius, modelScale, modelViewMatrix, modelViewPosition, modelViewProjection, modelWorldMatrix, modelWorldMatrixInverse, morphReference, mrt, mul, mx_aastep, mx_add, mx_atan2, mx_cell_noise_float, mx_contrast, mx_divide, mx_fractal_noise_float, mx_fractal_noise_vec2, mx_fractal_noise_vec3, mx_fractal_noise_vec4, mx_frame, mx_heighttonormal, mx_hsvtorgb, mx_ifequal, mx_ifgreater, mx_ifgreatereq, mx_invert, mx_modulo, mx_multiply, mx_noise_float, mx_noise_vec3, mx_noise_vec4, mx_place2d, mx_power, mx_ramp4, mx_ramplr, mx_ramptb, mx_rgbtohsv, mx_rotate2d, mx_rotate3d, mx_safepower, mx_separate, mx_splitlr, mx_splittb, mx_srgb_texture_to_lin_rec709, mx_subtract, mx_timer, mx_transform_uv, mx_unifiednoise2d, mx_unifiednoise3d, mx_worley_noise_float, mx_worley_noise_vec2, mx_worley_noise_vec3, negate, negateOnBackSide, neutralToneMapping, nodeArray, nodeImmutable, nodeObject, nodeObjectIntent, nodeObjects, nodeProxy, nodeProxyIntent, normalFlat, normalGeometry, normalLocal, normalMap, normalView, normalViewGeometry, normalWorld, normalWorldGeometry, normalize, not, notEqual, numWorkgroups, objectDirection, objectGroup, objectPosition, objectRadius, objectScale, objectViewPosition, objectWorldMatrix, oneMinus, or, orthographicDepthToViewZ, oscSawtooth, oscSine, oscSquare, oscTriangle, output, outputStruct, overloadingFn, packHalf2x16, packNormalToRGB, packSnorm2x16, packUnorm2x16, parabola, parallaxDirection, parallaxUV, parameter, pass, passTexture, pcurve, perspectiveDepthToViewZ, pmremTexture, pointShadow, pointUV, pointWidth, positionGeometry, positionLocal, positionPrevious, positionView, positionViewDirection, positionWorld, positionWorldDirection, posterize, pow, pow2, pow3, pow4, premultiplyAlpha, property, radians, rand, range, rangeFog, rangeFogFactor, reciprocal, reference, referenceBuffer, reflect, reflectVector, reflectView, reflector, refract, refractVector, refractView, reinhardToneMapping, remap, remapClamp, renderGroup, renderOutput, rendererReference, replaceDefaultUV, rotate, rotateUV, roughness, round, rtt, sRGBTransferEOTF, sRGBTransferOETF, sample, sampler, samplerComparison, saturate, saturation, screen, screenCoordinate, screenDPR, screenSize, screenUV, select, setCurrentStack, setName, shaderStages, shadow, shadowPositionWorld, shapeCircle, sharedUniformGroup, sheen, sheenRoughness, shiftLeft, shiftRight, shininess, sign, sin, sinc, sinh, skinning, smoothstep, smoothstepElement, specularColor, specularF90, spherizeUV, split, spritesheetUV, sqrt, stack, step, stepElement, storage, storageBarrier, storageTexture, storageTexture3D, struct, sub, subBuild, subgroupAdd, subgroupAll, subgroupAnd, subgroupAny, subgroupBallot, subgroupBroadcast, subgroupBroadcastFirst, subgroupElect, subgroupExclusiveAdd, subgroupExclusiveMul, subgroupInclusiveAdd, subgroupInclusiveMul, subgroupIndex, subgroupMax, subgroupMin, subgroupMul, subgroupOr, subgroupShuffle, subgroupShuffleDown, subgroupShuffleUp, subgroupShuffleXor, subgroupSize, subgroupXor, tan, tangentGeometry, tangentLocal, tangentView, tangentWorld, tanh, texture, texture3D, textureBarrier, textureBicubic, textureBicubicLevel, textureCubeUV, textureLevel, textureLoad, textureSize, textureStore, thickness, time, toneMapping, toneMappingExposure, toonOutlinePass, transformDirection, transformNormal, transformNormalByInverseViewMatrix, transformNormalByViewMatrix, transformNormalToView, transformedClearcoatNormalView, transformedNormalView, transformedNormalWorld, transmission, transpose, triNoise3D, triplanarTexture, triplanarTextures, trunc, uint, uintBitsToFloat, uniform, uniformArray, uniformCubeTexture, uniformFlow, uniformGroup, uniformTexture, unpackHalf2x16, unpackRGBToNormal, unpackSnorm2x16, unpackUnorm2x16, unpremultiplyAlpha, userData, uv, uvec2, uvec3, uvec4, varying, varyingProperty, vec2, vec3, vec4, vectorComponents, velocity, vertexColor, vertexIndex, vertexStage, vibrance, viewZToLogarithmicDepth, viewZToOrthographicDepth, viewZToPerspectiveDepth, viewZToReversedOrthographicDepth, viewZToReversedPerspectiveDepth, viewport, viewportCoordinate, viewportDepthTexture, viewportLinearDepth, viewportMipTexture, viewportOpaqueMipTexture, viewportResolution, viewportSafeUV, viewportSharedTexture, viewportSize, viewportTexture, viewportUV, vogelDiskSample, wgsl, wgslFn, workgroupArray, workgroupBarrier, workgroupId, workingToColorSpace, xor };
diff --git a/build/three.tsl.min.js b/build/three.tsl.min.js
index f624770d88d60c..169025c6f49ce5 100644
--- a/build/three.tsl.min.js
+++ b/build/three.tsl.min.js
@@ -3,4 +3,4 @@
  * Copyright 2010-2026 Three.js Authors
  * SPDX-License-Identifier: MIT
  */
-import{TSL as e}from"three/webgpu";const t=e.BRDF_GGX,r=e.BRDF_Lambert,a=e.BasicPointShadowFilter,o=e.BasicShadowFilter,i=e.Break,n=e.Const,l=e.Continue,s=e.DFGLUT,c=e.D_GGX,m=e.Discard,u=e.EPSILON,p=e.F_Schlick,d=e.Fn,g=e.INFINITY,h=e.If,x=e.Loop,b=e.NodeAccess,f=e.NodeShaderStage,v=e.NodeType,w=e.NodeUpdateType,_=e.PCFShadowFilter,S=e.PCFSoftShadowFilter,T=e.PI,y=e.PI2,V=e.TWO_PI,M=e.HALF_PI,F=e.PointShadowFilter,D=e.Return,I=e.Schlick_to_F0,B=e.ShaderNode,C=e.Stack,P=e.Switch,R=e.TBNViewMatrix,k=e.VSMShadowFilter,N=e.V_GGX_SmithCorrelated,O=e.Var,A=e.VarIntent,L=e.abs,G=e.acesFilmicToneMapping,U=e.acos,j=e.acosh,E=e.add,W=e.addMethodChaining,q=e.addNodeElement,z=e.agxToneMapping,Z=e.all,X=e.alphaT,H=e.ambientOcclusion,K=e.and,Y=e.anisotropy,J=e.anisotropyB,Q=e.anisotropyT,$=e.any,ee=e.append,te=e.array,re=e.asin,ae=e.asinh,oe=e.assign,ie=e.atan,ne=e.atanh,le=e.atomicAdd,se=e.atomicAnd,ce=e.atomicFunc,me=e.atomicLoad,ue=e.atomicMax,pe=e.atomicMin,de=e.atomicOr,ge=e.atomicStore,he=e.atomicSub,xe=e.atomicXor,be=e.attenuationColor,fe=e.attenuationDistance,ve=e.attribute,we=e.attributeArray,_e=e.backgroundBlurriness,Se=e.backgroundIntensity,Te=e.backgroundRotation,ye=e.batch,Ve=e.bentNormalView,Me=e.billboarding,Fe=e.bitAnd,De=e.bitNot,Ie=e.bitOr,Be=e.bitXor,Ce=e.bitangentGeometry,Pe=e.bitangentLocal,Re=e.bitangentView,ke=e.bitangentWorld,Ne=e.bitcast,Oe=e.blendBurn,Ae=e.blendColor,Le=e.blendDodge,Ge=e.blendOverlay,Ue=e.blendScreen,je=e.blur,Ee=e.bool,We=e.buffer,qe=e.bufferAttribute,ze=e.bumpMap,Ze=e.builtin,Xe=e.builtinAOContext,He=e.builtinShadowContext,Ke=e.bvec2,Ye=e.bvec3,Je=e.bvec4,Qe=e.bypass,$e=e.cache,et=e.call,tt=e.cameraFar,rt=e.cameraIndex,at=e.cameraNear,ot=e.cameraNormalMatrix,it=e.cameraPosition,nt=e.cameraProjectionMatrix,lt=e.cameraProjectionMatrixInverse,st=e.cameraViewMatrix,ct=e.cameraViewport,mt=e.cameraWorldMatrix,ut=e.cbrt,pt=e.cdl,dt=e.ceil,gt=e.checker,ht=e.cineonToneMapping,xt=e.clamp,bt=e.clearcoat,ft=e.clearcoatNormalView,vt=e.clearcoatRoughness,wt=e.clipSpace,_t=e.code,St=e.color,Tt=e.colorSpaceToWorking,yt=e.colorToDirection,Vt=e.compute,Mt=e.computeKernel,Ft=e.computeSkinning,Dt=e.context,It=e.convert,Bt=e.convertColorSpace,Ct=e.convertToTexture,Pt=e.countLeadingZeros,Rt=e.countOneBits,kt=e.countTrailingZeros,Nt=e.cos,Ot=e.cosh,At=e.cross,Lt=e.cubeTexture,Gt=e.cubeTextureBase,Ut=e.dFdx,jt=e.dFdy,Et=e.dashSize,Wt=e.debug,qt=e.decrement,zt=e.decrementBefore,Zt=e.defaultBuildStages,Xt=e.defaultShaderStages,Ht=e.defined,Kt=e.degrees,Yt=e.deltaTime,Jt=e.densityFog,Qt=e.densityFogFactor,$t=e.depth,er=e.depthPass,tr=e.determinant,rr=e.difference,ar=e.diffuseColor,or=e.directPointLight,ir=e.directionToColor,nr=e.directionToFaceDirection,lr=e.dispersion,sr=e.distance,cr=e.div,mr=e.dot,ur=e.drawIndex,pr=e.dynamicBufferAttribute,dr=e.element,gr=e.emissive,hr=e.equal,xr=e.equirectUV,br=e.exp,fr=e.exp2,vr=e.exponentialHeightFogFactor,wr=e.expression,_r=e.faceDirection,Sr=e.faceForward,Tr=e.faceforward,yr=e.float,Vr=e.floatBitsToInt,Mr=e.floatBitsToUint,Fr=e.floor,Dr=e.fog,Ir=e.fract,Br=e.frameGroup,Cr=e.frameId,Pr=e.frontFacing,Rr=e.fwidth,kr=e.gain,Nr=e.gapSize,Or=e.getConstNodeType,Ar=e.getCurrentStack,Lr=e.getDirection,Gr=e.getDistanceAttenuation,Ur=e.getGeometryRoughness,jr=e.getNormalFromDepth,Er=e.interleavedGradientNoise,Wr=e.vogelDiskSample,qr=e.getParallaxCorrectNormal,zr=e.getRoughness,Zr=e.getScreenPosition,Xr=e.getShIrradianceAt,Hr=e.getShadowMaterial,Kr=e.getShadowRenderObjectFunction,Yr=e.getTextureIndex,Jr=e.getViewPosition,Qr=e.globalId,$r=e.glsl,ea=e.glslFn,ta=e.grayscale,ra=e.greaterThan,aa=e.greaterThanEqual,oa=e.hash,ia=e.highpModelNormalViewMatrix,na=e.highpModelViewMatrix,la=e.hue,sa=e.increment,ca=e.incrementBefore,ma=e.instance,ua=e.instanceIndex,pa=e.instancedArray,da=e.instancedBufferAttribute,ga=e.instancedDynamicBufferAttribute,ha=e.instancedMesh,xa=e.int,ba=e.intBitsToFloat,fa=e.inverse,va=e.inverseSqrt,wa=e.inversesqrt,_a=e.invocationLocalIndex,Sa=e.invocationSubgroupIndex,Ta=e.ior,ya=e.iridescence,Va=e.iridescenceIOR,Ma=e.iridescenceThickness,Fa=e.ivec2,Da=e.ivec3,Ia=e.ivec4,Ba=e.js,Ca=e.label,Pa=e.length,Ra=e.lengthSq,ka=e.lessThan,Na=e.lessThanEqual,Oa=e.lightPosition,Aa=e.lightProjectionUV,La=e.lightShadowMatrix,Ga=e.lightTargetDirection,Ua=e.lightTargetPosition,ja=e.lightViewPosition,Ea=e.lightingContext,Wa=e.lights,qa=e.linearDepth,za=e.linearToneMapping,Za=e.localId,Xa=e.log,Ha=e.log2,Ka=e.logarithmicDepthToViewZ,Ya=e.luminance,Ja=e.mat2,Qa=e.mat3,$a=e.mat4,eo=e.matcapUV,to=e.materialAO,ro=e.materialAlphaTest,ao=e.materialAnisotropy,oo=e.materialAnisotropyVector,io=e.materialAttenuationColor,no=e.materialAttenuationDistance,lo=e.materialClearcoat,so=e.materialClearcoatNormal,co=e.materialClearcoatRoughness,mo=e.materialColor,uo=e.materialDispersion,po=e.materialEmissive,go=e.materialEnvIntensity,ho=e.materialEnvRotation,xo=e.materialIOR,bo=e.materialIridescence,fo=e.materialIridescenceIOR,vo=e.materialIridescenceThickness,wo=e.materialLightMap,_o=e.materialLineDashOffset,So=e.materialLineDashSize,To=e.materialLineGapSize,yo=e.materialLineScale,Vo=e.materialLineWidth,Mo=e.materialMetalness,Fo=e.materialNormal,Do=e.materialOpacity,Io=e.materialPointSize,Bo=e.materialReference,Co=e.materialReflectivity,Po=e.materialRefractionRatio,Ro=e.materialRotation,ko=e.materialRoughness,No=e.materialSheen,Oo=e.materialSheenRoughness,Ao=e.materialShininess,Lo=e.materialSpecular,Go=e.materialSpecularColor,Uo=e.materialSpecularIntensity,jo=e.materialSpecularStrength,Eo=e.materialThickness,Wo=e.materialTransmission,qo=e.max,zo=e.maxMipLevel,Zo=e.mediumpModelViewMatrix,Xo=e.metalness,Ho=e.min,Ko=e.mix,Yo=e.mixElement,Jo=e.mod,Qo=e.modelDirection,$o=e.modelNormalMatrix,ei=e.modelPosition,ti=e.modelRadius,ri=e.modelScale,ai=e.modelViewMatrix,oi=e.modelViewPosition,ii=e.modelViewProjection,ni=e.modelWorldMatrix,li=e.modelWorldMatrixInverse,si=e.morphReference,ci=e.mrt,mi=e.mul,ui=e.mx_aastep,pi=e.mx_add,di=e.mx_atan2,gi=e.mx_cell_noise_float,hi=e.mx_contrast,xi=e.mx_divide,bi=e.mx_fractal_noise_float,fi=e.mx_fractal_noise_vec2,vi=e.mx_fractal_noise_vec3,wi=e.mx_fractal_noise_vec4,_i=e.mx_frame,Si=e.mx_heighttonormal,Ti=e.mx_hsvtorgb,yi=e.mx_ifequal,Vi=e.mx_ifgreater,Mi=e.mx_ifgreatereq,Fi=e.mx_invert,Di=e.mx_modulo,Ii=e.mx_multiply,Bi=e.mx_noise_float,Ci=e.mx_noise_vec3,Pi=e.mx_noise_vec4,Ri=e.mx_place2d,ki=e.mx_power,Ni=e.mx_ramp4,Oi=e.mx_ramplr,Ai=e.mx_ramptb,Li=e.mx_rgbtohsv,Gi=e.mx_rotate2d,Ui=e.mx_rotate3d,ji=e.mx_safepower,Ei=e.mx_separate,Wi=e.mx_splitlr,qi=e.mx_splittb,zi=e.mx_srgb_texture_to_lin_rec709,Zi=e.mx_subtract,Xi=e.mx_timer,Hi=e.mx_transform_uv,Ki=e.mx_unifiednoise2d,Yi=e.mx_unifiednoise3d,Ji=e.mx_worley_noise_float,Qi=e.mx_worley_noise_vec2,$i=e.mx_worley_noise_vec3,en=e.negate,tn=e.neutralToneMapping,rn=e.nodeArray,an=e.nodeImmutable,on=e.nodeObject,nn=e.nodeObjectIntent,ln=e.nodeObjects,sn=e.nodeProxy,cn=e.nodeProxyIntent,mn=e.normalFlat,un=e.normalGeometry,pn=e.normalLocal,dn=e.normalMap,gn=e.normalView,hn=e.normalViewGeometry,xn=e.normalWorld,bn=e.normalWorldGeometry,fn=e.normalize,vn=e.not,wn=e.notEqual,_n=e.numWorkgroups,Sn=e.objectDirection,Tn=e.objectGroup,yn=e.objectPosition,Vn=e.objectRadius,Mn=e.objectScale,Fn=e.objectViewPosition,Dn=e.objectWorldMatrix,In=e.OnBeforeObjectUpdate,Bn=e.OnBeforeMaterialUpdate,Cn=e.OnObjectUpdate,Pn=e.OnMaterialUpdate,Rn=e.oneMinus,kn=e.or,Nn=e.orthographicDepthToViewZ,On=e.oscSawtooth,An=e.oscSine,Ln=e.oscSquare,Gn=e.oscTriangle,Un=e.output,jn=e.outputStruct,En=e.overloadingFn,Wn=e.packHalf2x16,qn=e.packSnorm2x16,zn=e.packUnorm2x16,Zn=e.packNormalToRGB,Xn=e.parabola,Hn=e.parallaxDirection,Kn=e.parallaxUV,Yn=e.parameter,Jn=e.pass,Qn=e.passTexture,$n=e.pcurve,el=e.perspectiveDepthToViewZ,tl=e.pmremTexture,rl=e.pointShadow,al=e.pointUV,ol=e.pointWidth,il=e.positionGeometry,nl=e.positionLocal,ll=e.positionPrevious,sl=e.positionView,cl=e.positionViewDirection,ml=e.positionWorld,ul=e.positionWorldDirection,pl=e.posterize,dl=e.pow,gl=e.pow2,hl=e.pow3,xl=e.pow4,bl=e.premultiplyAlpha,fl=e.property,vl=e.radians,wl=e.rand,_l=e.range,Sl=e.rangeFog,Tl=e.rangeFogFactor,yl=e.reciprocal,Vl=e.reference,Ml=e.referenceBuffer,Fl=e.reflect,Dl=e.reflectVector,Il=e.reflectView,Bl=e.reflector,Cl=e.refract,Pl=e.refractVector,Rl=e.refractView,kl=e.reinhardToneMapping,Nl=e.remap,Ol=e.remapClamp,Al=e.renderGroup,Ll=e.renderOutput,Gl=e.rendererReference,Ul=e.replaceDefaultUV,jl=e.rotate,El=e.rotateUV,Wl=e.roughness,ql=e.round,zl=e.rtt,Zl=e.sRGBTransferEOTF,Xl=e.sRGBTransferOETF,Hl=e.sample,Kl=e.sampler,Yl=e.samplerComparison,Jl=e.saturate,Ql=e.saturation,$l=e.screen,es=e.screenCoordinate,ts=e.screenDPR,rs=e.screenSize,as=e.screenUV,os=e.select,is=e.setCurrentStack,ns=e.setName,ls=e.shaderStages,ss=e.shadow,cs=e.shadowPositionWorld,ms=e.shapeCircle,us=e.sharedUniformGroup,ps=e.sheen,ds=e.sheenRoughness,gs=e.shiftLeft,hs=e.shiftRight,xs=e.shininess,bs=e.sign,fs=e.sin,vs=e.sinh,ws=e.sinc,_s=e.skinning,Ss=e.smoothstep,Ts=e.smoothstepElement,ys=e.specularColor,Vs=e.specularF90,Ms=e.spherizeUV,Fs=e.split,Ds=e.spritesheetUV,Is=e.sqrt,Bs=e.stack,Cs=e.step,Ps=e.stepElement,Rs=e.storage,ks=e.storageBarrier,Ns=e.storageTexture,Os=e.storageTexture3D,As=e.struct,Ls=e.sub,Gs=e.subgroupAdd,Us=e.subgroupAll,js=e.subgroupAnd,Es=e.subgroupAny,Ws=e.subgroupBallot,qs=e.subgroupBroadcast,zs=e.subgroupBroadcastFirst,Zs=e.subBuild,Xs=e.subgroupElect,Hs=e.subgroupExclusiveAdd,Ks=e.subgroupExclusiveMul,Ys=e.subgroupInclusiveAdd,Js=e.subgroupInclusiveMul,Qs=e.subgroupIndex,$s=e.subgroupMax,ec=e.subgroupMin,tc=e.subgroupMul,rc=e.subgroupOr,ac=e.subgroupShuffle,oc=e.subgroupShuffleDown,ic=e.subgroupShuffleUp,nc=e.subgroupShuffleXor,lc=e.subgroupSize,sc=e.subgroupXor,cc=e.tan,mc=e.tanh,uc=e.tangentGeometry,pc=e.tangentLocal,dc=e.tangentView,gc=e.tangentWorld,hc=e.texture,xc=e.texture3D,bc=e.textureBarrier,fc=e.textureBicubic,vc=e.textureBicubicLevel,wc=e.textureCubeUV,_c=e.textureLoad,Sc=e.textureSize,Tc=e.textureLevel,yc=e.textureStore,Vc=e.thickness,Mc=e.time,Fc=e.toneMapping,Dc=e.toneMappingExposure,Ic=e.toonOutlinePass,Bc=e.transformDirection,Cc=e.transformNormal,Pc=e.transformNormalToView,Rc=e.transformedClearcoatNormalView,kc=e.transformedNormalView,Nc=e.transformedNormalWorld,Oc=e.transmission,Ac=e.transpose,Lc=e.triNoise3D,Gc=e.triplanarTexture,Uc=e.triplanarTextures,jc=e.trunc,Ec=e.uint,Wc=e.uintBitsToFloat,qc=e.uniform,zc=e.uniformArray,Zc=e.uniformCubeTexture,Xc=e.uniformGroup,Hc=e.uniformFlow,Kc=e.uniformTexture,Yc=e.unpackHalf2x16,Jc=e.unpackSnorm2x16,Qc=e.unpackUnorm2x16,$c=e.unpackRGBToNormal,em=e.unpremultiplyAlpha,tm=e.userData,rm=e.uv,am=e.uvec2,om=e.uvec3,im=e.uvec4,nm=e.varying,lm=e.varyingProperty,sm=e.vec2,cm=e.vec3,mm=e.vec4,um=e.vectorComponents,pm=e.velocity,dm=e.vertexColor,gm=e.vertexIndex,hm=e.vertexStage,xm=e.vibrance,bm=e.viewZToLogarithmicDepth,fm=e.viewZToOrthographicDepth,vm=e.viewZToPerspectiveDepth,wm=e.viewZToReversedOrthographicDepth,_m=e.viewZToReversedPerspectiveDepth,Sm=e.viewport,Tm=e.viewportCoordinate,ym=e.viewportDepthTexture,Vm=e.viewportLinearDepth,Mm=e.viewportMipTexture,Fm=e.viewportOpaqueMipTexture,Dm=e.viewportResolution,Im=e.viewportSafeUV,Bm=e.viewportSharedTexture,Cm=e.viewportSize,Pm=e.viewportTexture,Rm=e.viewportUV,km=e.wgsl,Nm=e.wgslFn,Om=e.workgroupArray,Am=e.workgroupBarrier,Lm=e.workgroupId,Gm=e.workingToColorSpace,Um=e.xor;export{t as BRDF_GGX,r as BRDF_Lambert,a as BasicPointShadowFilter,o as BasicShadowFilter,i as Break,n as Const,l as Continue,s as DFGLUT,c as D_GGX,m as Discard,u as EPSILON,p as F_Schlick,d as Fn,M as HALF_PI,g as INFINITY,h as If,x as Loop,b as NodeAccess,f as NodeShaderStage,v as NodeType,w as NodeUpdateType,Bn as OnBeforeMaterialUpdate,In as OnBeforeObjectUpdate,Pn as OnMaterialUpdate,Cn as OnObjectUpdate,_ as PCFShadowFilter,S as PCFSoftShadowFilter,T as PI,y as PI2,F as PointShadowFilter,D as Return,I as Schlick_to_F0,B as ShaderNode,C as Stack,P as Switch,R as TBNViewMatrix,V as TWO_PI,k as VSMShadowFilter,N as V_GGX_SmithCorrelated,O as Var,A as VarIntent,L as abs,G as acesFilmicToneMapping,U as acos,j as acosh,E as add,W as addMethodChaining,q as addNodeElement,z as agxToneMapping,Z as all,X as alphaT,H as ambientOcclusion,K as and,Y as anisotropy,J as anisotropyB,Q as anisotropyT,$ as any,ee as append,te as array,re as asin,ae as asinh,oe as assign,ie as atan,ne as atanh,le as atomicAdd,se as atomicAnd,ce as atomicFunc,me as atomicLoad,ue as atomicMax,pe as atomicMin,de as atomicOr,ge as atomicStore,he as atomicSub,xe as atomicXor,be as attenuationColor,fe as attenuationDistance,ve as attribute,we as attributeArray,_e as backgroundBlurriness,Se as backgroundIntensity,Te as backgroundRotation,ye as batch,Ve as bentNormalView,Me as billboarding,Fe as bitAnd,De as bitNot,Ie as bitOr,Be as bitXor,Ce as bitangentGeometry,Pe as bitangentLocal,Re as bitangentView,ke as bitangentWorld,Ne as bitcast,Oe as blendBurn,Ae as blendColor,Le as blendDodge,Ge as blendOverlay,Ue as blendScreen,je as blur,Ee as bool,We as buffer,qe as bufferAttribute,Ze as builtin,Xe as builtinAOContext,He as builtinShadowContext,ze as bumpMap,Ke as bvec2,Ye as bvec3,Je as bvec4,Qe as bypass,$e as cache,et as call,tt as cameraFar,rt as cameraIndex,at as cameraNear,ot as cameraNormalMatrix,it as cameraPosition,nt as cameraProjectionMatrix,lt as cameraProjectionMatrixInverse,st as cameraViewMatrix,ct as cameraViewport,mt as cameraWorldMatrix,ut as cbrt,pt as cdl,dt as ceil,gt as checker,ht as cineonToneMapping,xt as clamp,bt as clearcoat,ft as clearcoatNormalView,vt as clearcoatRoughness,wt as clipSpace,_t as code,St as color,Tt as colorSpaceToWorking,yt as colorToDirection,Vt as compute,Mt as computeKernel,Ft as computeSkinning,Dt as context,It as convert,Bt as convertColorSpace,Ct as convertToTexture,Nt as cos,Ot as cosh,Pt as countLeadingZeros,Rt as countOneBits,kt as countTrailingZeros,At as cross,Lt as cubeTexture,Gt as cubeTextureBase,Ut as dFdx,jt as dFdy,Et as dashSize,Wt as debug,qt as decrement,zt as decrementBefore,Zt as defaultBuildStages,Xt as defaultShaderStages,Ht as defined,Kt as degrees,Yt as deltaTime,Jt as densityFog,Qt as densityFogFactor,$t as depth,er as depthPass,tr as determinant,rr as difference,ar as diffuseColor,or as directPointLight,ir as directionToColor,nr as directionToFaceDirection,lr as dispersion,sr as distance,cr as div,mr as dot,ur as drawIndex,pr as dynamicBufferAttribute,dr as element,gr as emissive,hr as equal,xr as equirectUV,br as exp,fr as exp2,vr as exponentialHeightFogFactor,wr as expression,_r as faceDirection,Sr as faceForward,Tr as faceforward,yr as float,Vr as floatBitsToInt,Mr as floatBitsToUint,Fr as floor,Dr as fog,Ir as fract,Br as frameGroup,Cr as frameId,Pr as frontFacing,Rr as fwidth,kr as gain,Nr as gapSize,Or as getConstNodeType,Ar as getCurrentStack,Lr as getDirection,Gr as getDistanceAttenuation,Ur as getGeometryRoughness,jr as getNormalFromDepth,qr as getParallaxCorrectNormal,zr as getRoughness,Zr as getScreenPosition,Xr as getShIrradianceAt,Hr as getShadowMaterial,Kr as getShadowRenderObjectFunction,Yr as getTextureIndex,Jr as getViewPosition,Qr as globalId,$r as glsl,ea as glslFn,ta as grayscale,ra as greaterThan,aa as greaterThanEqual,oa as hash,ia as highpModelNormalViewMatrix,na as highpModelViewMatrix,la as hue,sa as increment,ca as incrementBefore,ma as instance,ua as instanceIndex,pa as instancedArray,da as instancedBufferAttribute,ga as instancedDynamicBufferAttribute,ha as instancedMesh,xa as int,ba as intBitsToFloat,Er as interleavedGradientNoise,fa as inverse,va as inverseSqrt,wa as inversesqrt,_a as invocationLocalIndex,Sa as invocationSubgroupIndex,Ta as ior,ya as iridescence,Va as iridescenceIOR,Ma as iridescenceThickness,Fa as ivec2,Da as ivec3,Ia as ivec4,Ba as js,Ca as label,Pa as length,Ra as lengthSq,ka as lessThan,Na as lessThanEqual,Oa as lightPosition,Aa as lightProjectionUV,La as lightShadowMatrix,Ga as lightTargetDirection,Ua as lightTargetPosition,ja as lightViewPosition,Ea as lightingContext,Wa as lights,qa as linearDepth,za as linearToneMapping,Za as localId,Xa as log,Ha as log2,Ka as logarithmicDepthToViewZ,Ya as luminance,Ja as mat2,Qa as mat3,$a as mat4,eo as matcapUV,to as materialAO,ro as materialAlphaTest,ao as materialAnisotropy,oo as materialAnisotropyVector,io as materialAttenuationColor,no as materialAttenuationDistance,lo as materialClearcoat,so as materialClearcoatNormal,co as materialClearcoatRoughness,mo as materialColor,uo as materialDispersion,po as materialEmissive,go as materialEnvIntensity,ho as materialEnvRotation,xo as materialIOR,bo as materialIridescence,fo as materialIridescenceIOR,vo as materialIridescenceThickness,wo as materialLightMap,_o as materialLineDashOffset,So as materialLineDashSize,To as materialLineGapSize,yo as materialLineScale,Vo as materialLineWidth,Mo as materialMetalness,Fo as materialNormal,Do as materialOpacity,Io as materialPointSize,Bo as materialReference,Co as materialReflectivity,Po as materialRefractionRatio,Ro as materialRotation,ko as materialRoughness,No as materialSheen,Oo as materialSheenRoughness,Ao as materialShininess,Lo as materialSpecular,Go as materialSpecularColor,Uo as materialSpecularIntensity,jo as materialSpecularStrength,Eo as materialThickness,Wo as materialTransmission,qo as max,zo as maxMipLevel,Zo as mediumpModelViewMatrix,Xo as metalness,Ho as min,Ko as mix,Yo as mixElement,Jo as mod,Qo as modelDirection,$o as modelNormalMatrix,ei as modelPosition,ti as modelRadius,ri as modelScale,ai as modelViewMatrix,oi as modelViewPosition,ii as modelViewProjection,ni as modelWorldMatrix,li as modelWorldMatrixInverse,si as morphReference,ci as mrt,mi as mul,ui as mx_aastep,pi as mx_add,di as mx_atan2,gi as mx_cell_noise_float,hi as mx_contrast,xi as mx_divide,bi as mx_fractal_noise_float,fi as mx_fractal_noise_vec2,vi as mx_fractal_noise_vec3,wi as mx_fractal_noise_vec4,_i as mx_frame,Si as mx_heighttonormal,Ti as mx_hsvtorgb,yi as mx_ifequal,Vi as mx_ifgreater,Mi as mx_ifgreatereq,Fi as mx_invert,Di as mx_modulo,Ii as mx_multiply,Bi as mx_noise_float,Ci as mx_noise_vec3,Pi as mx_noise_vec4,Ri as mx_place2d,ki as mx_power,Ni as mx_ramp4,Oi as mx_ramplr,Ai as mx_ramptb,Li as mx_rgbtohsv,Gi as mx_rotate2d,Ui as mx_rotate3d,ji as mx_safepower,Ei as mx_separate,Wi as mx_splitlr,qi as mx_splittb,zi as mx_srgb_texture_to_lin_rec709,Zi as mx_subtract,Xi as mx_timer,Hi as mx_transform_uv,Ki as mx_unifiednoise2d,Yi as mx_unifiednoise3d,Ji as mx_worley_noise_float,Qi as mx_worley_noise_vec2,$i as mx_worley_noise_vec3,en as negate,tn as neutralToneMapping,rn as nodeArray,an as nodeImmutable,on as nodeObject,nn as nodeObjectIntent,ln as nodeObjects,sn as nodeProxy,cn as nodeProxyIntent,mn as normalFlat,un as normalGeometry,pn as normalLocal,dn as normalMap,gn as normalView,hn as normalViewGeometry,xn as normalWorld,bn as normalWorldGeometry,fn as normalize,vn as not,wn as notEqual,_n as numWorkgroups,Sn as objectDirection,Tn as objectGroup,yn as objectPosition,Vn as objectRadius,Mn as objectScale,Fn as objectViewPosition,Dn as objectWorldMatrix,Rn as oneMinus,kn as or,Nn as orthographicDepthToViewZ,On as oscSawtooth,An as oscSine,Ln as oscSquare,Gn as oscTriangle,Un as output,jn as outputStruct,En as overloadingFn,Wn as packHalf2x16,Zn as packNormalToRGB,qn as packSnorm2x16,zn as packUnorm2x16,Xn as parabola,Hn as parallaxDirection,Kn as parallaxUV,Yn as parameter,Jn as pass,Qn as passTexture,$n as pcurve,el as perspectiveDepthToViewZ,tl as pmremTexture,rl as pointShadow,al as pointUV,ol as pointWidth,il as positionGeometry,nl as positionLocal,ll as positionPrevious,sl as positionView,cl as positionViewDirection,ml as positionWorld,ul as positionWorldDirection,pl as posterize,dl as pow,gl as pow2,hl as pow3,xl as pow4,bl as premultiplyAlpha,fl as property,vl as radians,wl as rand,_l as range,Sl as rangeFog,Tl as rangeFogFactor,yl as reciprocal,Vl as reference,Ml as referenceBuffer,Fl as reflect,Dl as reflectVector,Il as reflectView,Bl as reflector,Cl as refract,Pl as refractVector,Rl as refractView,kl as reinhardToneMapping,Nl as remap,Ol as remapClamp,Al as renderGroup,Ll as renderOutput,Gl as rendererReference,Ul as replaceDefaultUV,jl as rotate,El as rotateUV,Wl as roughness,ql as round,zl as rtt,Zl as sRGBTransferEOTF,Xl as sRGBTransferOETF,Hl as sample,Kl as sampler,Yl as samplerComparison,Jl as saturate,Ql as saturation,$l as screen,es as screenCoordinate,ts as screenDPR,rs as screenSize,as as screenUV,os as select,is as setCurrentStack,ns as setName,ls as shaderStages,ss as shadow,cs as shadowPositionWorld,ms as shapeCircle,us as sharedUniformGroup,ps as sheen,ds as sheenRoughness,gs as shiftLeft,hs as shiftRight,xs as shininess,bs as sign,fs as sin,ws as sinc,vs as sinh,_s as skinning,Ss as smoothstep,Ts as smoothstepElement,ys as specularColor,Vs as specularF90,Ms as spherizeUV,Fs as split,Ds as spritesheetUV,Is as sqrt,Bs as stack,Cs as step,Ps as stepElement,Rs as storage,ks as storageBarrier,Ns as storageTexture,Os as storageTexture3D,As as struct,Ls as sub,Zs as subBuild,Gs as subgroupAdd,Us as subgroupAll,js as subgroupAnd,Es as subgroupAny,Ws as subgroupBallot,qs as subgroupBroadcast,zs as subgroupBroadcastFirst,Xs as subgroupElect,Hs as subgroupExclusiveAdd,Ks as subgroupExclusiveMul,Ys as subgroupInclusiveAdd,Js as subgroupInclusiveMul,Qs as subgroupIndex,$s as subgroupMax,ec as subgroupMin,tc as subgroupMul,rc as subgroupOr,ac as subgroupShuffle,oc as subgroupShuffleDown,ic as subgroupShuffleUp,nc as subgroupShuffleXor,lc as subgroupSize,sc as subgroupXor,cc as tan,uc as tangentGeometry,pc as tangentLocal,dc as tangentView,gc as tangentWorld,mc as tanh,hc as texture,xc as texture3D,bc as textureBarrier,fc as textureBicubic,vc as textureBicubicLevel,wc as textureCubeUV,Tc as textureLevel,_c as textureLoad,Sc as textureSize,yc as textureStore,Vc as thickness,Mc as time,Fc as toneMapping,Dc as toneMappingExposure,Ic as toonOutlinePass,Bc as transformDirection,Cc as transformNormal,Pc as transformNormalToView,Rc as transformedClearcoatNormalView,kc as transformedNormalView,Nc as transformedNormalWorld,Oc as transmission,Ac as transpose,Lc as triNoise3D,Gc as triplanarTexture,Uc as triplanarTextures,jc as trunc,Ec as uint,Wc as uintBitsToFloat,qc as uniform,zc as uniformArray,Zc as uniformCubeTexture,Hc as uniformFlow,Xc as uniformGroup,Kc as uniformTexture,Yc as unpackHalf2x16,$c as unpackRGBToNormal,Jc as unpackSnorm2x16,Qc as unpackUnorm2x16,em as unpremultiplyAlpha,tm as userData,rm as uv,am as uvec2,om as uvec3,im as uvec4,nm as varying,lm as varyingProperty,sm as vec2,cm as vec3,mm as vec4,um as vectorComponents,pm as velocity,dm as vertexColor,gm as vertexIndex,hm as vertexStage,xm as vibrance,bm as viewZToLogarithmicDepth,fm as viewZToOrthographicDepth,vm as viewZToPerspectiveDepth,wm as viewZToReversedOrthographicDepth,_m as viewZToReversedPerspectiveDepth,Sm as viewport,Tm as viewportCoordinate,ym as viewportDepthTexture,Vm as viewportLinearDepth,Mm as viewportMipTexture,Fm as viewportOpaqueMipTexture,Dm as viewportResolution,Im as viewportSafeUV,Bm as viewportSharedTexture,Cm as viewportSize,Pm as viewportTexture,Rm as viewportUV,Wr as vogelDiskSample,km as wgsl,Nm as wgslFn,Om as workgroupArray,Am as workgroupBarrier,Lm as workgroupId,Gm as workingToColorSpace,Um as xor};
+import{TSL as e}from"three/webgpu";const t=e.BRDF_GGX,r=e.BRDF_Lambert,a=e.BasicPointShadowFilter,o=e.BasicShadowFilter,i=e.Break,n=e.Const,l=e.Continue,s=e.DFGLUT,c=e.D_GGX,m=e.Discard,u=e.EPSILON,p=e.F_Schlick,d=e.Fn,g=e.INFINITY,h=e.If,x=e.Loop,f=e.NodeAccess,b=e.NodeShaderStage,v=e.NodeType,w=e.NodeUpdateType,S=e.PCFShadowFilter,_=e.PCFSoftShadowFilter,T=e.PI,y=e.PI2,V=e.TWO_PI,M=e.HALF_PI,D=e.PointShadowFilter,F=e.Return,I=e.Schlick_to_F0,B=e.ShaderNode,C=e.Stack,P=e.Switch,N=e.TBNViewMatrix,R=e.VSMShadowFilter,k=e.V_GGX_SmithCorrelated,O=e.Var,A=e.VarIntent,L=e.abs,G=e.acesFilmicToneMapping,U=e.acos,j=e.acosh,E=e.add,W=e.addMethodChaining,q=e.addNodeElement,z=e.agxToneMapping,Z=e.all,X=e.alphaT,H=e.ambientOcclusion,K=e.and,Y=e.anisotropy,J=e.anisotropyB,Q=e.anisotropyT,$=e.any,ee=e.append,te=e.array,re=e.asin,ae=e.asinh,oe=e.assign,ie=e.atan,ne=e.atanh,le=e.atomicAdd,se=e.atomicAnd,ce=e.atomicFunc,me=e.atomicLoad,ue=e.atomicMax,pe=e.atomicMin,de=e.atomicOr,ge=e.atomicStore,he=e.atomicSub,xe=e.atomicXor,fe=e.attenuationColor,be=e.attenuationDistance,ve=e.attribute,we=e.attributeArray,Se=e.backgroundBlurriness,_e=e.backgroundIntensity,Te=e.backgroundRotation,ye=e.batch,Ve=e.bentNormalView,Me=e.billboarding,De=e.bitAnd,Fe=e.bitNot,Ie=e.bitOr,Be=e.bitXor,Ce=e.bitangentGeometry,Pe=e.bitangentLocal,Ne=e.bitangentView,Re=e.bitangentWorld,ke=e.bitcast,Oe=e.blendBurn,Ae=e.blendColor,Le=e.blendDodge,Ge=e.blendOverlay,Ue=e.blendScreen,je=e.blur,Ee=e.bool,We=e.buffer,qe=e.bufferAttribute,ze=e.bumpMap,Ze=e.builtin,Xe=e.builtinAOContext,He=e.builtinShadowContext,Ke=e.bvec2,Ye=e.bvec3,Je=e.bvec4,Qe=e.bypass,$e=e.cache,et=e.call,tt=e.cameraFar,rt=e.cameraIndex,at=e.cameraNear,ot=e.cameraNormalMatrix,it=e.cameraPosition,nt=e.cameraProjectionMatrix,lt=e.cameraProjectionMatrixInverse,st=e.cameraViewMatrix,ct=e.cameraViewport,mt=e.cameraWorldMatrix,ut=e.cbrt,pt=e.cdl,dt=e.ceil,gt=e.checker,ht=e.cineonToneMapping,xt=e.clamp,ft=e.clearcoat,bt=e.clearcoatNormalView,vt=e.clearcoatRoughness,wt=e.clipSpace,St=e.code,_t=e.color,Tt=e.colorSpaceToWorking,yt=e.colorToDirection,Vt=e.compute,Mt=e.computeKernel,Dt=e.computeSkinning,Ft=e.context,It=e.convert,Bt=e.convertColorSpace,Ct=e.convertToTexture,Pt=e.countLeadingZeros,Nt=e.countOneBits,Rt=e.countTrailingZeros,kt=e.cos,Ot=e.cosh,At=e.cross,Lt=e.cubeTexture,Gt=e.cubeTextureBase,Ut=e.dFdx,jt=e.dFdy,Et=e.dashSize,Wt=e.debug,qt=e.decrement,zt=e.decrementBefore,Zt=e.defaultBuildStages,Xt=e.defaultShaderStages,Ht=e.defined,Kt=e.degrees,Yt=e.deltaTime,Jt=e.densityFog,Qt=e.densityFogFactor,$t=e.depth,er=e.depthPass,tr=e.determinant,rr=e.difference,ar=e.diffuseColor,or=e.directPointLight,ir=e.directionToColor,nr=e.directionToFaceDirection,lr=e.dispersion,sr=e.distance,cr=e.div,mr=e.dot,ur=e.drawIndex,pr=e.dynamicBufferAttribute,dr=e.element,gr=e.emissive,hr=e.equal,xr=e.equirectDirection,fr=e.equirectUV,br=e.exp,vr=e.exp2,wr=e.exponentialHeightFogFactor,Sr=e.expression,_r=e.faceDirection,Tr=e.faceForward,yr=e.faceforward,Vr=e.float,Mr=e.floatBitsToInt,Dr=e.floatBitsToUint,Fr=e.floor,Ir=e.fog,Br=e.fract,Cr=e.frameGroup,Pr=e.frameId,Nr=e.frontFacing,Rr=e.fwidth,kr=e.gain,Or=e.gapSize,Ar=e.getConstNodeType,Lr=e.getCurrentStack,Gr=e.getDirection,Ur=e.getDistanceAttenuation,jr=e.getGeometryRoughness,Er=e.getNormalFromDepth,Wr=e.interleavedGradientNoise,qr=e.vogelDiskSample,zr=e.getParallaxCorrectNormal,Zr=e.getRoughness,Xr=e.getScreenPosition,Hr=e.getShIrradianceAt,Kr=e.getShadowMaterial,Yr=e.getShadowRenderObjectFunction,Jr=e.getTextureIndex,Qr=e.getViewPosition,$r=e.globalId,ea=e.glsl,ta=e.glslFn,ra=e.grayscale,aa=e.greaterThan,oa=e.greaterThanEqual,ia=e.hash,na=e.highpModelNormalViewMatrix,la=e.highpModelViewMatrix,sa=e.hue,ca=e.increment,ma=e.incrementBefore,ua=e.instance,pa=e.instanceIndex,da=e.instancedArray,ga=e.instancedBufferAttribute,ha=e.instancedDynamicBufferAttribute,xa=e.instancedMesh,fa=e.int,ba=e.intBitsToFloat,va=e.inverse,wa=e.inverseSqrt,Sa=e.inversesqrt,_a=e.invocationLocalIndex,Ta=e.invocationSubgroupIndex,ya=e.ior,Va=e.iridescence,Ma=e.iridescenceIOR,Da=e.iridescenceThickness,Fa=e.ivec2,Ia=e.ivec3,Ba=e.ivec4,Ca=e.js,Pa=e.label,Na=e.length,Ra=e.lengthSq,ka=e.lessThan,Oa=e.lessThanEqual,Aa=e.lightPosition,La=e.lightProjectionUV,Ga=e.lightShadowMatrix,Ua=e.lightTargetDirection,ja=e.lightTargetPosition,Ea=e.lightViewPosition,Wa=e.lightingContext,qa=e.lights,za=e.linearDepth,Za=e.linearToneMapping,Xa=e.localId,Ha=e.log,Ka=e.log2,Ya=e.logarithmicDepthToViewZ,Ja=e.luminance,Qa=e.mat2,$a=e.mat3,eo=e.mat4,to=e.matcapUV,ro=e.materialAO,ao=e.materialAlphaTest,oo=e.materialAnisotropy,io=e.materialAnisotropyVector,no=e.materialAttenuationColor,lo=e.materialAttenuationDistance,so=e.materialClearcoat,co=e.materialClearcoatNormal,mo=e.materialClearcoatRoughness,uo=e.materialColor,po=e.materialDispersion,go=e.materialEmissive,ho=e.materialEnvIntensity,xo=e.materialEnvRotation,fo=e.materialIOR,bo=e.materialIridescence,vo=e.materialIridescenceIOR,wo=e.materialIridescenceThickness,So=e.materialLightMap,_o=e.materialLineDashOffset,To=e.materialLineDashSize,yo=e.materialLineGapSize,Vo=e.materialLineScale,Mo=e.materialLineWidth,Do=e.materialMetalness,Fo=e.materialNormal,Io=e.materialOpacity,Bo=e.materialPointSize,Co=e.materialReference,Po=e.materialReflectivity,No=e.materialRefractionRatio,Ro=e.materialRotation,ko=e.materialRoughness,Oo=e.materialSheen,Ao=e.materialSheenRoughness,Lo=e.materialShininess,Go=e.materialSpecular,Uo=e.materialSpecularColor,jo=e.materialSpecularIntensity,Eo=e.materialSpecularStrength,Wo=e.materialThickness,qo=e.materialTransmission,zo=e.max,Zo=e.maxMipLevel,Xo=e.mediumpModelViewMatrix,Ho=e.metalness,Ko=e.min,Yo=e.mix,Jo=e.mixElement,Qo=e.mod,$o=e.modelDirection,ei=e.modelNormalMatrix,ti=e.modelPosition,ri=e.modelRadius,ai=e.modelScale,oi=e.modelViewMatrix,ii=e.modelViewPosition,ni=e.modelViewProjection,li=e.modelWorldMatrix,si=e.modelWorldMatrixInverse,ci=e.morphReference,mi=e.mrt,ui=e.mul,pi=e.mx_aastep,di=e.mx_add,gi=e.mx_atan2,hi=e.mx_cell_noise_float,xi=e.mx_contrast,fi=e.mx_divide,bi=e.mx_fractal_noise_float,vi=e.mx_fractal_noise_vec2,wi=e.mx_fractal_noise_vec3,Si=e.mx_fractal_noise_vec4,_i=e.mx_frame,Ti=e.mx_heighttonormal,yi=e.mx_hsvtorgb,Vi=e.mx_ifequal,Mi=e.mx_ifgreater,Di=e.mx_ifgreatereq,Fi=e.mx_invert,Ii=e.mx_modulo,Bi=e.mx_multiply,Ci=e.mx_noise_float,Pi=e.mx_noise_vec3,Ni=e.mx_noise_vec4,Ri=e.mx_place2d,ki=e.mx_power,Oi=e.mx_ramp4,Ai=e.mx_ramplr,Li=e.mx_ramptb,Gi=e.mx_rgbtohsv,Ui=e.mx_rotate2d,ji=e.mx_rotate3d,Ei=e.mx_safepower,Wi=e.mx_separate,qi=e.mx_splitlr,zi=e.mx_splittb,Zi=e.mx_srgb_texture_to_lin_rec709,Xi=e.mx_subtract,Hi=e.mx_timer,Ki=e.mx_transform_uv,Yi=e.mx_unifiednoise2d,Ji=e.mx_unifiednoise3d,Qi=e.mx_worley_noise_float,$i=e.mx_worley_noise_vec2,en=e.mx_worley_noise_vec3,tn=e.negate,rn=e.negateOnBackSide,an=e.neutralToneMapping,on=e.nodeArray,nn=e.nodeImmutable,ln=e.nodeObject,sn=e.nodeObjectIntent,cn=e.nodeObjects,mn=e.nodeProxy,un=e.nodeProxyIntent,pn=e.normalFlat,dn=e.normalGeometry,gn=e.normalLocal,hn=e.normalMap,xn=e.normalView,fn=e.normalViewGeometry,bn=e.normalWorld,vn=e.normalWorldGeometry,wn=e.normalize,Sn=e.not,_n=e.notEqual,Tn=e.numWorkgroups,yn=e.objectDirection,Vn=e.objectGroup,Mn=e.objectPosition,Dn=e.objectRadius,Fn=e.objectScale,In=e.objectViewPosition,Bn=e.objectWorldMatrix,Cn=e.OnBeforeObjectUpdate,Pn=e.OnBeforeMaterialUpdate,Nn=e.OnObjectUpdate,Rn=e.OnMaterialUpdate,kn=e.oneMinus,On=e.or,An=e.orthographicDepthToViewZ,Ln=e.oscSawtooth,Gn=e.oscSine,Un=e.oscSquare,jn=e.oscTriangle,En=e.output,Wn=e.outputStruct,qn=e.overloadingFn,zn=e.packHalf2x16,Zn=e.packSnorm2x16,Xn=e.packUnorm2x16,Hn=e.packNormalToRGB,Kn=e.parabola,Yn=e.parallaxDirection,Jn=e.parallaxUV,Qn=e.parameter,$n=e.pass,el=e.passTexture,tl=e.pcurve,rl=e.perspectiveDepthToViewZ,al=e.pmremTexture,ol=e.pointShadow,il=e.pointUV,nl=e.pointWidth,ll=e.positionGeometry,sl=e.positionLocal,cl=e.positionPrevious,ml=e.positionView,ul=e.positionViewDirection,pl=e.positionWorld,dl=e.positionWorldDirection,gl=e.posterize,hl=e.pow,xl=e.pow2,fl=e.pow3,bl=e.pow4,vl=e.premultiplyAlpha,wl=e.property,Sl=e.radians,_l=e.rand,Tl=e.range,yl=e.rangeFog,Vl=e.rangeFogFactor,Ml=e.reciprocal,Dl=e.reference,Fl=e.referenceBuffer,Il=e.reflect,Bl=e.reflectVector,Cl=e.reflectView,Pl=e.reflector,Nl=e.refract,Rl=e.refractVector,kl=e.refractView,Ol=e.reinhardToneMapping,Al=e.remap,Ll=e.remapClamp,Gl=e.renderGroup,Ul=e.renderOutput,jl=e.rendererReference,El=e.replaceDefaultUV,Wl=e.rotate,ql=e.rotateUV,zl=e.roughness,Zl=e.round,Xl=e.rtt,Hl=e.sRGBTransferEOTF,Kl=e.sRGBTransferOETF,Yl=e.sample,Jl=e.sampler,Ql=e.samplerComparison,$l=e.saturate,es=e.saturation,ts=e.screen,rs=e.screenCoordinate,as=e.screenDPR,os=e.screenSize,is=e.screenUV,ns=e.select,ls=e.setCurrentStack,ss=e.setName,cs=e.shaderStages,ms=e.shadow,us=e.shadowPositionWorld,ps=e.shapeCircle,ds=e.sharedUniformGroup,gs=e.sheen,hs=e.sheenRoughness,xs=e.shiftLeft,fs=e.shiftRight,bs=e.shininess,vs=e.sign,ws=e.sin,Ss=e.sinh,_s=e.sinc,Ts=e.skinning,ys=e.smoothstep,Vs=e.smoothstepElement,Ms=e.specularColor,Ds=e.specularF90,Fs=e.spherizeUV,Is=e.split,Bs=e.spritesheetUV,Cs=e.sqrt,Ps=e.stack,Ns=e.step,Rs=e.stepElement,ks=e.storage,Os=e.storageBarrier,As=e.storageTexture,Ls=e.storageTexture3D,Gs=e.struct,Us=e.sub,js=e.subgroupAdd,Es=e.subgroupAll,Ws=e.subgroupAnd,qs=e.subgroupAny,zs=e.subgroupBallot,Zs=e.subgroupBroadcast,Xs=e.subgroupBroadcastFirst,Hs=e.subBuild,Ks=e.subgroupElect,Ys=e.subgroupExclusiveAdd,Js=e.subgroupExclusiveMul,Qs=e.subgroupInclusiveAdd,$s=e.subgroupInclusiveMul,ec=e.subgroupIndex,tc=e.subgroupMax,rc=e.subgroupMin,ac=e.subgroupMul,oc=e.subgroupOr,ic=e.subgroupShuffle,nc=e.subgroupShuffleDown,lc=e.subgroupShuffleUp,sc=e.subgroupShuffleXor,cc=e.subgroupSize,mc=e.subgroupXor,uc=e.tan,pc=e.tanh,dc=e.tangentGeometry,gc=e.tangentLocal,hc=e.tangentView,xc=e.tangentWorld,fc=e.texture,bc=e.texture3D,vc=e.textureBarrier,wc=e.textureBicubic,Sc=e.textureBicubicLevel,_c=e.textureCubeUV,Tc=e.textureLoad,yc=e.textureSize,Vc=e.textureLevel,Mc=e.textureStore,Dc=e.thickness,Fc=e.time,Ic=e.toneMapping,Bc=e.toneMappingExposure,Cc=e.toonOutlinePass,Pc=e.transformDirection,Nc=e.transformNormal,Rc=e.transformNormalByInverseViewMatrix,kc=e.transformNormalByViewMatrix,Oc=e.transformNormalToView,Ac=e.transformedClearcoatNormalView,Lc=e.transformedNormalView,Gc=e.transformedNormalWorld,Uc=e.transmission,jc=e.transpose,Ec=e.triNoise3D,Wc=e.triplanarTexture,qc=e.triplanarTextures,zc=e.trunc,Zc=e.uint,Xc=e.uintBitsToFloat,Hc=e.uniform,Kc=e.uniformArray,Yc=e.uniformCubeTexture,Jc=e.uniformGroup,Qc=e.uniformFlow,$c=e.uniformTexture,em=e.unpackHalf2x16,tm=e.unpackSnorm2x16,rm=e.unpackUnorm2x16,am=e.unpackRGBToNormal,om=e.unpremultiplyAlpha,im=e.userData,nm=e.uv,lm=e.uvec2,sm=e.uvec3,cm=e.uvec4,mm=e.varying,um=e.varyingProperty,pm=e.vec2,dm=e.vec3,gm=e.vec4,hm=e.vectorComponents,xm=e.velocity,fm=e.vertexColor,bm=e.vertexIndex,vm=e.vertexStage,wm=e.vibrance,Sm=e.viewZToLogarithmicDepth,_m=e.viewZToOrthographicDepth,Tm=e.viewZToPerspectiveDepth,ym=e.viewZToReversedOrthographicDepth,Vm=e.viewZToReversedPerspectiveDepth,Mm=e.viewport,Dm=e.viewportCoordinate,Fm=e.viewportDepthTexture,Im=e.viewportLinearDepth,Bm=e.viewportMipTexture,Cm=e.viewportOpaqueMipTexture,Pm=e.viewportResolution,Nm=e.viewportSafeUV,Rm=e.viewportSharedTexture,km=e.viewportSize,Om=e.viewportTexture,Am=e.viewportUV,Lm=e.wgsl,Gm=e.wgslFn,Um=e.workgroupArray,jm=e.workgroupBarrier,Em=e.workgroupId,Wm=e.workingToColorSpace,qm=e.xor;export{t as BRDF_GGX,r as BRDF_Lambert,a as BasicPointShadowFilter,o as BasicShadowFilter,i as Break,n as Const,l as Continue,s as DFGLUT,c as D_GGX,m as Discard,u as EPSILON,p as F_Schlick,d as Fn,M as HALF_PI,g as INFINITY,h as If,x as Loop,f as NodeAccess,b as NodeShaderStage,v as NodeType,w as NodeUpdateType,Pn as OnBeforeMaterialUpdate,Cn as OnBeforeObjectUpdate,Rn as OnMaterialUpdate,Nn as OnObjectUpdate,S as PCFShadowFilter,_ as PCFSoftShadowFilter,T as PI,y as PI2,D as PointShadowFilter,F as Return,I as Schlick_to_F0,B as ShaderNode,C as Stack,P as Switch,N as TBNViewMatrix,V as TWO_PI,R as VSMShadowFilter,k as V_GGX_SmithCorrelated,O as Var,A as VarIntent,L as abs,G as acesFilmicToneMapping,U as acos,j as acosh,E as add,W as addMethodChaining,q as addNodeElement,z as agxToneMapping,Z as all,X as alphaT,H as ambientOcclusion,K as and,Y as anisotropy,J as anisotropyB,Q as anisotropyT,$ as any,ee as append,te as array,re as asin,ae as asinh,oe as assign,ie as atan,ne as atanh,le as atomicAdd,se as atomicAnd,ce as atomicFunc,me as atomicLoad,ue as atomicMax,pe as atomicMin,de as atomicOr,ge as atomicStore,he as atomicSub,xe as atomicXor,fe as attenuationColor,be as attenuationDistance,ve as attribute,we as attributeArray,Se as backgroundBlurriness,_e as backgroundIntensity,Te as backgroundRotation,ye as batch,Ve as bentNormalView,Me as billboarding,De as bitAnd,Fe as bitNot,Ie as bitOr,Be as bitXor,Ce as bitangentGeometry,Pe as bitangentLocal,Ne as bitangentView,Re as bitangentWorld,ke as bitcast,Oe as blendBurn,Ae as blendColor,Le as blendDodge,Ge as blendOverlay,Ue as blendScreen,je as blur,Ee as bool,We as buffer,qe as bufferAttribute,Ze as builtin,Xe as builtinAOContext,He as builtinShadowContext,ze as bumpMap,Ke as bvec2,Ye as bvec3,Je as bvec4,Qe as bypass,$e as cache,et as call,tt as cameraFar,rt as cameraIndex,at as cameraNear,ot as cameraNormalMatrix,it as cameraPosition,nt as cameraProjectionMatrix,lt as cameraProjectionMatrixInverse,st as cameraViewMatrix,ct as cameraViewport,mt as cameraWorldMatrix,ut as cbrt,pt as cdl,dt as ceil,gt as checker,ht as cineonToneMapping,xt as clamp,ft as clearcoat,bt as clearcoatNormalView,vt as clearcoatRoughness,wt as clipSpace,St as code,_t as color,Tt as colorSpaceToWorking,yt as colorToDirection,Vt as compute,Mt as computeKernel,Dt as computeSkinning,Ft as context,It as convert,Bt as convertColorSpace,Ct as convertToTexture,kt as cos,Ot as cosh,Pt as countLeadingZeros,Nt as countOneBits,Rt as countTrailingZeros,At as cross,Lt as cubeTexture,Gt as cubeTextureBase,Ut as dFdx,jt as dFdy,Et as dashSize,Wt as debug,qt as decrement,zt as decrementBefore,Zt as defaultBuildStages,Xt as defaultShaderStages,Ht as defined,Kt as degrees,Yt as deltaTime,Jt as densityFog,Qt as densityFogFactor,$t as depth,er as depthPass,tr as determinant,rr as difference,ar as diffuseColor,or as directPointLight,ir as directionToColor,nr as directionToFaceDirection,lr as dispersion,sr as distance,cr as div,mr as dot,ur as drawIndex,pr as dynamicBufferAttribute,dr as element,gr as emissive,hr as equal,xr as equirectDirection,fr as equirectUV,br as exp,vr as exp2,wr as exponentialHeightFogFactor,Sr as expression,_r as faceDirection,Tr as faceForward,yr as faceforward,Vr as float,Mr as floatBitsToInt,Dr as floatBitsToUint,Fr as floor,Ir as fog,Br as fract,Cr as frameGroup,Pr as frameId,Nr as frontFacing,Rr as fwidth,kr as gain,Or as gapSize,Ar as getConstNodeType,Lr as getCurrentStack,Gr as getDirection,Ur as getDistanceAttenuation,jr as getGeometryRoughness,Er as getNormalFromDepth,zr as getParallaxCorrectNormal,Zr as getRoughness,Xr as getScreenPosition,Hr as getShIrradianceAt,Kr as getShadowMaterial,Yr as getShadowRenderObjectFunction,Jr as getTextureIndex,Qr as getViewPosition,$r as globalId,ea as glsl,ta as glslFn,ra as grayscale,aa as greaterThan,oa as greaterThanEqual,ia as hash,na as highpModelNormalViewMatrix,la as highpModelViewMatrix,sa as hue,ca as increment,ma as incrementBefore,ua as instance,pa as instanceIndex,da as instancedArray,ga as instancedBufferAttribute,ha as instancedDynamicBufferAttribute,xa as instancedMesh,fa as int,ba as intBitsToFloat,Wr as interleavedGradientNoise,va as inverse,wa as inverseSqrt,Sa as inversesqrt,_a as invocationLocalIndex,Ta as invocationSubgroupIndex,ya as ior,Va as iridescence,Ma as iridescenceIOR,Da as iridescenceThickness,Fa as ivec2,Ia as ivec3,Ba as ivec4,Ca as js,Pa as label,Na as length,Ra as lengthSq,ka as lessThan,Oa as lessThanEqual,Aa as lightPosition,La as lightProjectionUV,Ga as lightShadowMatrix,Ua as lightTargetDirection,ja as lightTargetPosition,Ea as lightViewPosition,Wa as lightingContext,qa as lights,za as linearDepth,Za as linearToneMapping,Xa as localId,Ha as log,Ka as log2,Ya as logarithmicDepthToViewZ,Ja as luminance,Qa as mat2,$a as mat3,eo as mat4,to as matcapUV,ro as materialAO,ao as materialAlphaTest,oo as materialAnisotropy,io as materialAnisotropyVector,no as materialAttenuationColor,lo as materialAttenuationDistance,so as materialClearcoat,co as materialClearcoatNormal,mo as materialClearcoatRoughness,uo as materialColor,po as materialDispersion,go as materialEmissive,ho as materialEnvIntensity,xo as materialEnvRotation,fo as materialIOR,bo as materialIridescence,vo as materialIridescenceIOR,wo as materialIridescenceThickness,So as materialLightMap,_o as materialLineDashOffset,To as materialLineDashSize,yo as materialLineGapSize,Vo as materialLineScale,Mo as materialLineWidth,Do as materialMetalness,Fo as materialNormal,Io as materialOpacity,Bo as materialPointSize,Co as materialReference,Po as materialReflectivity,No as materialRefractionRatio,Ro as materialRotation,ko as materialRoughness,Oo as materialSheen,Ao as materialSheenRoughness,Lo as materialShininess,Go as materialSpecular,Uo as materialSpecularColor,jo as materialSpecularIntensity,Eo as materialSpecularStrength,Wo as materialThickness,qo as materialTransmission,zo as max,Zo as maxMipLevel,Xo as mediumpModelViewMatrix,Ho as metalness,Ko as min,Yo as mix,Jo as mixElement,Qo as mod,$o as modelDirection,ei as modelNormalMatrix,ti as modelPosition,ri as modelRadius,ai as modelScale,oi as modelViewMatrix,ii as modelViewPosition,ni as modelViewProjection,li as modelWorldMatrix,si as modelWorldMatrixInverse,ci as morphReference,mi as mrt,ui as mul,pi as mx_aastep,di as mx_add,gi as mx_atan2,hi as mx_cell_noise_float,xi as mx_contrast,fi as mx_divide,bi as mx_fractal_noise_float,vi as mx_fractal_noise_vec2,wi as mx_fractal_noise_vec3,Si as mx_fractal_noise_vec4,_i as mx_frame,Ti as mx_heighttonormal,yi as mx_hsvtorgb,Vi as mx_ifequal,Mi as mx_ifgreater,Di as mx_ifgreatereq,Fi as mx_invert,Ii as mx_modulo,Bi as mx_multiply,Ci as mx_noise_float,Pi as mx_noise_vec3,Ni as mx_noise_vec4,Ri as mx_place2d,ki as mx_power,Oi as mx_ramp4,Ai as mx_ramplr,Li as mx_ramptb,Gi as mx_rgbtohsv,Ui as mx_rotate2d,ji as mx_rotate3d,Ei as mx_safepower,Wi as mx_separate,qi as mx_splitlr,zi as mx_splittb,Zi as mx_srgb_texture_to_lin_rec709,Xi as mx_subtract,Hi as mx_timer,Ki as mx_transform_uv,Yi as mx_unifiednoise2d,Ji as mx_unifiednoise3d,Qi as mx_worley_noise_float,$i as mx_worley_noise_vec2,en as mx_worley_noise_vec3,tn as negate,rn as negateOnBackSide,an as neutralToneMapping,on as nodeArray,nn as nodeImmutable,ln as nodeObject,sn as nodeObjectIntent,cn as nodeObjects,mn as nodeProxy,un as nodeProxyIntent,pn as normalFlat,dn as normalGeometry,gn as normalLocal,hn as normalMap,xn as normalView,fn as normalViewGeometry,bn as normalWorld,vn as normalWorldGeometry,wn as normalize,Sn as not,_n as notEqual,Tn as numWorkgroups,yn as objectDirection,Vn as objectGroup,Mn as objectPosition,Dn as objectRadius,Fn as objectScale,In as objectViewPosition,Bn as objectWorldMatrix,kn as oneMinus,On as or,An as orthographicDepthToViewZ,Ln as oscSawtooth,Gn as oscSine,Un as oscSquare,jn as oscTriangle,En as output,Wn as outputStruct,qn as overloadingFn,zn as packHalf2x16,Hn as packNormalToRGB,Zn as packSnorm2x16,Xn as packUnorm2x16,Kn as parabola,Yn as parallaxDirection,Jn as parallaxUV,Qn as parameter,$n as pass,el as passTexture,tl as pcurve,rl as perspectiveDepthToViewZ,al as pmremTexture,ol as pointShadow,il as pointUV,nl as pointWidth,ll as positionGeometry,sl as positionLocal,cl as positionPrevious,ml as positionView,ul as positionViewDirection,pl as positionWorld,dl as positionWorldDirection,gl as posterize,hl as pow,xl as pow2,fl as pow3,bl as pow4,vl as premultiplyAlpha,wl as property,Sl as radians,_l as rand,Tl as range,yl as rangeFog,Vl as rangeFogFactor,Ml as reciprocal,Dl as reference,Fl as referenceBuffer,Il as reflect,Bl as reflectVector,Cl as reflectView,Pl as reflector,Nl as refract,Rl as refractVector,kl as refractView,Ol as reinhardToneMapping,Al as remap,Ll as remapClamp,Gl as renderGroup,Ul as renderOutput,jl as rendererReference,El as replaceDefaultUV,Wl as rotate,ql as rotateUV,zl as roughness,Zl as round,Xl as rtt,Hl as sRGBTransferEOTF,Kl as sRGBTransferOETF,Yl as sample,Jl as sampler,Ql as samplerComparison,$l as saturate,es as saturation,ts as screen,rs as screenCoordinate,as as screenDPR,os as screenSize,is as screenUV,ns as select,ls as setCurrentStack,ss as setName,cs as shaderStages,ms as shadow,us as shadowPositionWorld,ps as shapeCircle,ds as sharedUniformGroup,gs as sheen,hs as sheenRoughness,xs as shiftLeft,fs as shiftRight,bs as shininess,vs as sign,ws as sin,_s as sinc,Ss as sinh,Ts as skinning,ys as smoothstep,Vs as smoothstepElement,Ms as specularColor,Ds as specularF90,Fs as spherizeUV,Is as split,Bs as spritesheetUV,Cs as sqrt,Ps as stack,Ns as step,Rs as stepElement,ks as storage,Os as storageBarrier,As as storageTexture,Ls as storageTexture3D,Gs as struct,Us as sub,Hs as subBuild,js as subgroupAdd,Es as subgroupAll,Ws as subgroupAnd,qs as subgroupAny,zs as subgroupBallot,Zs as subgroupBroadcast,Xs as subgroupBroadcastFirst,Ks as subgroupElect,Ys as subgroupExclusiveAdd,Js as subgroupExclusiveMul,Qs as subgroupInclusiveAdd,$s as subgroupInclusiveMul,ec as subgroupIndex,tc as subgroupMax,rc as subgroupMin,ac as subgroupMul,oc as subgroupOr,ic as subgroupShuffle,nc as subgroupShuffleDown,lc as subgroupShuffleUp,sc as subgroupShuffleXor,cc as subgroupSize,mc as subgroupXor,uc as tan,dc as tangentGeometry,gc as tangentLocal,hc as tangentView,xc as tangentWorld,pc as tanh,fc as texture,bc as texture3D,vc as textureBarrier,wc as textureBicubic,Sc as textureBicubicLevel,_c as textureCubeUV,Vc as textureLevel,Tc as textureLoad,yc as textureSize,Mc as textureStore,Dc as thickness,Fc as time,Ic as toneMapping,Bc as toneMappingExposure,Cc as toonOutlinePass,Pc as transformDirection,Nc as transformNormal,Rc as transformNormalByInverseViewMatrix,kc as transformNormalByViewMatrix,Oc as transformNormalToView,Ac as transformedClearcoatNormalView,Lc as transformedNormalView,Gc as transformedNormalWorld,Uc as transmission,jc as transpose,Ec as triNoise3D,Wc as triplanarTexture,qc as triplanarTextures,zc as trunc,Zc as uint,Xc as uintBitsToFloat,Hc as uniform,Kc as uniformArray,Yc as uniformCubeTexture,Qc as uniformFlow,Jc as uniformGroup,$c as uniformTexture,em as unpackHalf2x16,am as unpackRGBToNormal,tm as unpackSnorm2x16,rm as unpackUnorm2x16,om as unpremultiplyAlpha,im as userData,nm as uv,lm as uvec2,sm as uvec3,cm as uvec4,mm as varying,um as varyingProperty,pm as vec2,dm as vec3,gm as vec4,hm as vectorComponents,xm as velocity,fm as vertexColor,bm as vertexIndex,vm as vertexStage,wm as vibrance,Sm as viewZToLogarithmicDepth,_m as viewZToOrthographicDepth,Tm as viewZToPerspectiveDepth,ym as viewZToReversedOrthographicDepth,Vm as viewZToReversedPerspectiveDepth,Mm as viewport,Dm as viewportCoordinate,Fm as viewportDepthTexture,Im as viewportLinearDepth,Bm as viewportMipTexture,Cm as viewportOpaqueMipTexture,Pm as viewportResolution,Nm as viewportSafeUV,Rm as viewportSharedTexture,km as viewportSize,Om as viewportTexture,Am as viewportUV,qr as vogelDiskSample,Lm as wgsl,Gm as wgslFn,Um as workgroupArray,jm as workgroupBarrier,Em as workgroupId,Wm as workingToColorSpace,qm as xor};
diff --git a/build/three.webgpu.js b/build/three.webgpu.js
index e75e60a4420ee2..1dd880ada6bfc6 100644
--- a/build/three.webgpu.js
+++ b/build/three.webgpu.js
@@ -7162,25 +7162,23 @@ class MathNode extends TempNode {
 
 		} else if ( method === MathNode.TRANSFORM_DIRECTION ) {
 
-			// dir can be either a direction vector or a normal vector
-			// upper-left 3x3 of matrix is assumed to be orthogonal
+			// pre-multiplies the direction by the matrix and normalizes the result
 
-			let tA = aNode;
-			let tB = bNode;
+			let matrixNode, directionNode;
 
-			if ( builder.isMatrix( tA.getNodeType( builder ) ) ) {
+			if ( builder.isMatrix( aNode.getNodeType( builder ) ) ) {
 
-				tB = vec4( vec3( tB ), 0.0 );
+				matrixNode = aNode;
+				directionNode = bNode;
 
 			} else {
 
-				tA = vec4( vec3( tA ), 0.0 );
+				matrixNode = bNode;
+				directionNode = aNode;
 
 			}
 
-			const mulNode = mul( tA, tB ).xyz;
-
-			outputNode = normalize( mulNode );
+			outputNode = normalize( mul( matrixNode, vec4( vec3( directionNode ), 0.0 ) ).xyz );
 
 		}
 
@@ -7967,6 +7965,34 @@ const pow4 = ( x ) => mul( x, x, x, x );
  */
 const transformDirection = /*@__PURE__*/ nodeProxyIntent( MathNode, MathNode.TRANSFORM_DIRECTION ).setParameterLength( 2 );
 
+/**
+ * Transforms a normal vector by the view matrix and then normalizes the result.
+ *
+ * The upper-left 3x3 of the view matrix is assumed to be orthonormal, so the
+ * normal can be transformed directly without involving the normal matrix.
+ *
+ * @tsl
+ * @function
+ * @param {Node<vec3>} normal - The normal vector, given in world space.
+ * @param {Node<mat3|mat4>} viewMatrix - The view matrix.
+ * @returns {Node<vec3>} The normal vector in view space.
+ */
+const transformNormalByViewMatrix = ( normal, viewMatrix ) => normalize( mul( viewMatrix, vec4( vec3( normal ), 0.0 ) ).xyz );
+
+/**
+ * Transforms a normal vector by the inverse of the view matrix and then normalizes the result.
+ *
+ * The upper-left 3x3 of the view matrix is assumed to be orthonormal, so post-multiplying
+ * by the view matrix is equivalent to pre-multiplying by its inverse.
+ *
+ * @tsl
+ * @function
+ * @param {Node<vec3>} normal - The normal vector, given in view space.
+ * @param {Node<mat3|mat4>} viewMatrix - The view matrix.
+ * @returns {Node<vec3>} The normal vector in world space.
+ */
+const transformNormalByInverseViewMatrix = ( normal, viewMatrix ) => normalize( vec4( vec3( normal ), 0.0 ).mul( viewMatrix ).xyz );
+
 /**
  * Returns the cube root of a number.
  *
@@ -8167,6 +8193,8 @@ addMethodChaining( 'pow2', pow2 );
 addMethodChaining( 'pow3', pow3 );
 addMethodChaining( 'pow4', pow4 );
 addMethodChaining( 'transformDirection', transformDirection );
+addMethodChaining( 'transformNormalByViewMatrix', transformNormalByViewMatrix );
+addMethodChaining( 'transformNormalByInverseViewMatrix', transformNormalByInverseViewMatrix );
 addMethodChaining( 'mix', mixElement );
 addMethodChaining( 'clamp', clamp );
 addMethodChaining( 'refract', refract );
@@ -15103,33 +15131,60 @@ const frontFacing = /*@__PURE__*/ nodeImmutable( FrontFacingNode );
 const faceDirection = /*@__PURE__*/ float( frontFacing ).mul( 2.0 ).sub( 1.0 );
 
 /**
- * Converts a direction vector to a face direction vector based on the material's side.
+ * Negates a vector if the rendering occurs on the back side of a face,
+ * based on the material's side configuration.
  *
- * If the material is set to `BackSide`, the direction is inverted.
- * If the material is set to `DoubleSide`, the direction is multiplied by `faceDirection`.
+ * - If the material's side is `BackSide`, the vector is inverted (negated).
+ * - If the material's side is `DoubleSide`, the vector is multiplied by `faceDirection`
+ *   (negated only for back-facing fragments).
+ * - If the material's side is `FrontSide` (default), the vector remains unchanged.
  *
  * @tsl
- * @param {Node<vec3>} direction - The direction vector to convert.
- * @returns {Node<vec3>} The converted direction vector.
+ * @function
+ * @param {Node<vec3>} vector - The vector to process.
+ * @returns {Node<vec3>} The processed vector.
  */
-const directionToFaceDirection = /*@__PURE__*/ Fn( ( [ direction ], { material } ) => {
+const negateOnBackSide = /*@__PURE__*/ Fn( ( [ vector ], { material } ) => {
 
 	const side = material.side;
 
 	if ( side === BackSide ) {
 
-		direction = direction.mul( -1 );
+		vector = vector.mul( -1 );
 
 	} else if ( side === DoubleSide ) {
 
-		direction = direction.mul( faceDirection );
+		vector = vector.mul( faceDirection );
 
 	}
 
-	return direction;
+	return vector;
 
 } );
 
+/**
+ * Negates a vector if the rendering occurs on the back side of a face,
+ * based on the material's side configuration.
+ *
+ * - If the material's side is `BackSide`, the vector is inverted (negated).
+ * - If the material's side is `DoubleSide`, the vector is multiplied by `faceDirection`
+ *   (negated only for back-facing fragments).
+ * - If the material's side is `FrontSide` (default), the vector remains unchanged.
+ *
+ * @tsl
+ * @function
+ * @deprecated since r185. Use {@link negateOnBackSide} instead.
+ * @param {Node<vec3>} vector - The vector to convert.
+ * @returns {Node<vec3>} The converted vector.
+ */
+const directionToFaceDirection = ( vector ) => {
+
+	warnOnce( 'TSL: "directionToFaceDirection()" has been renamed to "negateOnBackSide()".' ); // @deprecated r185
+
+	return negateOnBackSide( vector );
+
+};
+
 /**
  * TSL object that represents the normal attribute of the current rendered object in local space.
  *
@@ -15198,7 +15253,7 @@ const normalViewGeometry = /*@__PURE__*/ ( Fn( ( builder ) => {
  */
 const normalWorldGeometry = /*@__PURE__*/ ( Fn( ( builder ) => {
 
-	let normal = normalViewGeometry.transformDirection( cameraViewMatrix );
+	let normal = normalViewGeometry.transformNormalByInverseViewMatrix( cameraViewMatrix );
 
 	if ( builder.isFlatShading() !== true ) {
 
@@ -15226,7 +15281,7 @@ const normalView = /*@__PURE__*/ ( Fn( ( builder ) => {
 
 		if ( builder.isFlatShading() !== true ) {
 
-			node = directionToFaceDirection( node );
+			node = negateOnBackSide( node );
 
 		}
 
@@ -15248,7 +15303,7 @@ const normalView = /*@__PURE__*/ ( Fn( ( builder ) => {
  * @tsl
  * @type {Node<vec3>}
  */
-const normalWorld = /*@__PURE__*/ normalView.transformDirection( cameraViewMatrix ).toVar( 'normalWorld' );
+const normalWorld = /*@__PURE__*/ normalView.transformNormalByInverseViewMatrix( cameraViewMatrix ).toVar( 'normalWorld' );
 
 /**
  * TSL object that represents the clearcoat vertex normal of the current rendered object in view space.
@@ -15277,24 +15332,24 @@ const clearcoatNormalView = /*@__PURE__*/ ( Fn( ( { subBuildFn, context } ) => {
 }, 'vec3' ).once( [ 'NORMAL', 'VERTEX' ] ) )().toVar( 'clearcoatNormalView' );
 
 /**
- * Transforms the normal with the given matrix.
+ * Transforms the normal by the normal matrix of the given matrix and then normalizes the result.
  *
  * @tsl
  * @function
  * @param {Node<vec3>} normal - The normal.
- * @param {Node<mat3>} [matrix=modelWorldMatrix] - The matrix.
+ * @param {Node<mat3|mat4>} [matrix=modelWorldMatrix] - The matrix.
  * @return {Node<vec3>} The transformed normal.
  */
 const transformNormal = /*@__PURE__*/ Fn( ( [ normal, matrix = modelWorldMatrix ] ) => {
 
-	const m = mat3( matrix );
+	const normalMatrix = mat3( matrix ).inverse().transpose();
 
-	const transformedNormal = normal.div( vec3( m[ 0 ].dot( m[ 0 ] ), m[ 1 ].dot( m[ 1 ] ), m[ 2 ].dot( m[ 2 ] ) ) );
-
-	return m.mul( transformedNormal ).xyz;
+	return normalMatrix.mul( normal ).normalize();
 
 } );
 
+addMethodChaining( 'transformNormal', transformNormal );
+
 /**
  * Transforms the given normal from local to view space.
  *
@@ -15310,7 +15365,7 @@ const transformNormalToView = /*@__PURE__*/ Fn( ( [ normal ], builder ) => {
 
 	if ( modelNormalViewMatrix ) {
 
-		return modelNormalViewMatrix.transformDirection( normal );
+		return normal.transformNormalByViewMatrix( modelNormalViewMatrix );
 
 	}
 
@@ -15318,7 +15373,7 @@ const transformNormalToView = /*@__PURE__*/ Fn( ( [ normal ], builder ) => {
 
 	const transformedNormal = modelNormalMatrix.mul( normal );
 
-	return cameraViewMatrix.transformDirection( transformedNormal );
+	return transformedNormal.transformNormalByViewMatrix( cameraViewMatrix );
 
 } );
 
@@ -15442,7 +15497,7 @@ const refractView = /*@__PURE__*/ positionViewDirection.negate().refract( normal
  * @tsl
  * @type {Node<vec3>}
  */
-const reflectVector = /*@__PURE__*/ reflectView.transformDirection( cameraViewMatrix ).toVar( 'reflectVector' );
+const reflectVector = /*@__PURE__*/ reflectView.transformDirection( cameraWorldMatrix ).toVar( 'reflectVector' );
 
 /**
  * Used for sampling cube maps when using cube refraction mapping.
@@ -15450,7 +15505,7 @@ const reflectVector = /*@__PURE__*/ reflectView.transformDirection( cameraViewMa
  * @tsl
  * @type {Node<vec3>}
  */
-const refractVector = /*@__PURE__*/ refractView.transformDirection( cameraViewMatrix ).toVar( 'reflectVector' );
+const refractVector = /*@__PURE__*/ refractView.transformDirection( cameraWorldMatrix ).toVar( 'refractVector' );
 
 const EmptyTexture = /*@__PURE__*/ new CubeTexture();
 
@@ -16230,7 +16285,7 @@ const tangentView = /*@__PURE__*/ ( Fn( ( builder ) => {
 
 	if ( builder.isFlatShading() !== true ) {
 
-		node = directionToFaceDirection( node );
+		node = negateOnBackSide( node );
 
 	}
 
@@ -16244,7 +16299,7 @@ const tangentView = /*@__PURE__*/ ( Fn( ( builder ) => {
  * @tsl
  * @type {Node<vec3>}
  */
-const tangentWorld = /*@__PURE__*/ tangentView.transformDirection( cameraViewMatrix ).toVarying( 'v_tangentWorld' ).normalize().toVar( 'tangentWorld' );
+const tangentWorld = /*@__PURE__*/ tangentView.transformDirection( cameraWorldMatrix ).toVarying( 'v_tangentWorld' ).normalize().toVar( 'tangentWorld' );
 
 /**
  * Returns the bitangent node and assigns it to a varying if the material is not flat shaded.
@@ -16307,7 +16362,7 @@ const bitangentView = /*@__PURE__*/ ( Fn( ( builder ) => {
 
 	if ( builder.isFlatShading() !== true ) {
 
-		node = directionToFaceDirection( node );
+		node = negateOnBackSide( node );
 
 	}
 
@@ -16528,7 +16583,7 @@ class NormalMapNode extends TempNode {
 
 			if ( builder.isFlatShading() === true ) {
 
-				scale = directionToFaceDirection( scale );
+				scale = negateOnBackSide( scale );
 
 			}
 
@@ -22822,18 +22877,42 @@ class MeshNormalNodeMaterial extends NodeMaterial {
  *
  * @tsl
  * @function
- * @param {?Node<vec3>} [dirNode=positionWorldDirection] - A direction vector for sampling which is by default `positionWorldDirection`.
+ * @param {?Node<vec3>} [direction=positionWorldDirection] - A direction vector for sampling which is by default `positionWorldDirection`.
  * @returns {Node<vec2>}
  */
-const equirectUV = /*@__PURE__*/ Fn( ( [ dir = positionWorldDirection ] ) => {
+const equirectUV = /*@__PURE__*/ Fn( ( [ direction = positionWorldDirection ] ) => {
 
-	const u = dir.z.atan( dir.x ).mul( 1 / ( Math.PI * 2 ) ).add( 0.5 );
-	const v = dir.y.clamp( -1, 1.0 ).asin().mul( 1 / Math.PI ).add( 0.5 );
+	const u = direction.z.atan( direction.x ).mul( 1 / ( Math.PI * 2 ) ).add( 0.5 );
+	const v = direction.y.clamp( -1, 1.0 ).asin().mul( 1 / Math.PI ).add( 0.5 );
 
 	return vec2( u, v );
 
 } );
 
+/**
+ * TSL function for creating an equirect direction node.
+ *
+ * Can be used to compute a direction vector from the given equirectangular
+ * UV coordinates.
+ *
+ * @tsl
+ * @function
+ * @param {?Node<vec2>} [uv=UV()] - The equirectangular UV coordinates.
+ * @returns {Node<vec3>} The computed direction vector.
+ */
+const equirectDirection = /*@__PURE__*/ Fn( ( [ uv = uv$1() ] ) => {
+
+	const theta = uv.x.sub( 0.5 ).mul( Math.PI * 2 );
+	const phi = uv.y.sub( 0.5 ).mul( Math.PI );
+	const cosPhi = phi.cos();
+	const x = cosPhi.mul( theta.cos() );
+	const y = phi.sin();
+	const z = cosPhi.mul( theta.sin() );
+
+	return vec3( x, y, z );
+
+} );
+
 /**
  * This class represents a cube render target. It is a special version
  * of `WebGLCubeRenderTarget` which is compatible with `WebGPURenderer`.
@@ -23509,7 +23588,7 @@ class MeshBasicNodeMaterial extends NodeMaterial {
 	 */
 	setupNormal() {
 
-		return directionToFaceDirection( normalViewGeometry ); // see #28839
+		return negateOnBackSide( normalViewGeometry ); // see #28839
 
 	}
 
@@ -27233,7 +27312,7 @@ const createRadianceContext = ( roughnessNode, normalViewNode ) => {
 				// Mixing the reflection with the normal is more accurate and keeps rough objects from gathering light from behind their tangent plane.
 				reflectVec = pow4( roughnessNode ).mix( reflectVec, normalViewNode ).normalize();
 
-				reflectVec = reflectVec.transformDirection( cameraViewMatrix );
+				reflectVec = reflectVec.transformDirection( cameraWorldMatrix );
 
 			}
 
@@ -44850,7 +44929,7 @@ class ShadowNode extends ShadowBaseNode {
 
 				if ( this.shadowMap.texture.isCubeTexture ) {
 
-					return cubeTexture( this.shadowMap.texture );
+					return cubeTexture( this.shadowMap.texture, equirectDirection() );
 
 				}
 
@@ -44862,15 +44941,36 @@ class ShadowNode extends ShadowBaseNode {
 
 		return shadowOutput.toInspector( `${ inspectName } / Depth`, () => {
 
-			// TODO: Use linear depth
+			const shadowCameraNear = reference( 'near', 'float', this.shadow.camera );
+			const shadowCameraFar = reference( 'far', 'float', this.shadow.camera );
+
+			let depthNode;
 
 			if ( this.shadowMap.texture.isCubeTexture ) {
 
-				return cubeTexture( this.shadowMap.texture ).r.oneMinus();
+				depthNode = cubeTexture( this.shadowMap.depthTexture, equirectDirection() ).r;
+
+			} else {
+
+				depthNode = texture( this.shadowMap.depthTexture ).r;
 
 			}
 
-			return textureLoad( this.shadowMap.depthTexture, uv$1().mul( textureSize( texture( this.shadowMap.depthTexture ) ) ) ).r.oneMinus();
+			let linearDepth;
+
+			if ( this.shadow.camera.isPerspectiveCamera ) {
+
+				linearDepth = perspectiveDepthToViewZ( depthNode, shadowCameraNear, shadowCameraFar );
+
+			} else {
+
+				linearDepth = orthographicDepthToViewZ( depthNode, shadowCameraNear, shadowCameraFar );
+
+			}
+
+			linearDepth = viewZToOrthographicDepth( linearDepth, shadowCameraNear, shadowCameraFar );
+
+			return linearDepth.oneMinus();
 
 		} );
 
@@ -47980,6 +48080,7 @@ var TSL = /*#__PURE__*/Object.freeze({
 	element: element,
 	emissive: emissive,
 	equal: equal,
+	equirectDirection: equirectDirection,
 	equirectUV: equirectUV,
 	exp: exp,
 	exp2: exp2,
@@ -48184,6 +48285,7 @@ var TSL = /*#__PURE__*/Object.freeze({
 	mx_worley_noise_vec2: mx_worley_noise_vec2,
 	mx_worley_noise_vec3: mx_worley_noise_vec3,
 	negate: negate,
+	negateOnBackSide: negateOnBackSide,
 	neutralToneMapping: neutralToneMapping,
 	nodeArray: nodeArray,
 	nodeImmutable: nodeImmutable,
@@ -48378,6 +48480,8 @@ var TSL = /*#__PURE__*/Object.freeze({
 	toonOutlinePass: toonOutlinePass,
 	transformDirection: transformDirection,
 	transformNormal: transformNormal,
+	transformNormalByInverseViewMatrix: transformNormalByInverseViewMatrix,
+	transformNormalByViewMatrix: transformNormalByViewMatrix,
 	transformNormalToView: transformNormalToView,
 	transformedClearcoatNormalView: transformedClearcoatNormalView,
 	transformedNormalView: transformedNormalView,
@@ -56334,6 +56438,14 @@ class Lighting {
 		 */
 		this.enabled = true;
 
+		/**
+		 * A stack of light arrays saved per render via {@link Lighting#beginRender}.
+		 *
+		 * @private
+		 * @type {Array<Array<Light>>}
+		 */
+		this._cache = [];
+
 	}
 
 	/**
@@ -56349,10 +56461,9 @@ class Lighting {
 	}
 
 	/**
-	 * Returns a lights node for the given scene and camera.
+	 * Returns a lights node for the given scene.
 	 *
 	 * @param {Scene} scene - The scene.
-	 * @param {Camera} camera - The camera.
 	 * @return {LightsNode} The lights node.
 	 */
 	getNode( scene ) {
@@ -56373,6 +56484,33 @@ class Lighting {
 
 	}
 
+	/**
+	 * Saves the current lights of the scene's lights node so they can be restored
+	 * in {@link Lighting#finishRender}. Must be paired with a `finishRender()` call
+	 * to avoid memory leaks.
+	 *
+	 * Nested render calls might mutate the lights array so a save/restore is required
+	 * for each render call.
+	 *
+	 * @param {Scene} scene - The scene.
+	 */
+	beginRender( scene ) {
+
+		this._cache.push( this.getNode( scene ).getLights() );
+
+	}
+
+	/**
+	 * Restores the lights saved by the matching {@link Lighting#beginRender} call.
+	 *
+	 * @param {Scene} scene - The scene.
+	 */
+	finishRender( scene ) {
+
+		this.getNode( scene ).setLights( this._cache.pop() );
+
+	}
+
 }
 
 /**
@@ -60263,6 +60401,8 @@ class Renderer {
 		const previousRenderObjectFunction = this._currentRenderObjectFunction;
 		const previousHandleObjectFunction = this._handleObjectFunction;
 
+		this.lighting.beginRender( scene );
+
 		//
 
 		this._callDepth ++;
@@ -60489,6 +60629,8 @@ class Renderer {
 		this._currentRenderObjectFunction = previousRenderObjectFunction;
 		this._handleObjectFunction = previousHandleObjectFunction;
 
+		this.lighting.finishRender( scene );
+
 		//
 
 		this._callDepth --;
@@ -66124,17 +66266,29 @@ class Backend {
 
 	}
 
+	/**
+	 * Whether the backend supports query timestamps or not.
+	 *
+	 * @type {boolean}
+	 * @readonly
+	 */
+	get hasTimestamp() {
+
+		return false;
+
+	}
+
 	/**
 	 * Returns `true` if a timestamp for the given uid is available.
 	 *
 	 * @param {string} uid - The unique identifier.
 	 * @return {boolean} Whether the timestamp is available or not.
 	 */
-	hasTimestamp( uid ) {
+	hasTimestampQuery( uid ) {
 
 		const queryPool = this._getQueryPool( uid );
 
-		return queryPool.hasTimestamp( uid );
+		return queryPool.hasTimestampQuery( uid );
 
 	}
 
@@ -69267,6 +69421,9 @@ class WebGLTextureUtils {
 			const srcFramebuffer = srcRenderContextData.framebuffers[ srcTextureData.cacheKey ];
 			const dstFramebuffer = dstRenderContextData.framebuffers[ dstTextureData.cacheKey ];
 
+			const prevReadFramebuffer = state.currentBoundFramebuffers[ gl.READ_FRAMEBUFFER ] ?? null;
+			const prevDrawFramebuffer = state.currentBoundFramebuffers[ gl.DRAW_FRAMEBUFFER ] ?? null;
+
 			state.bindFramebuffer( gl.READ_FRAMEBUFFER, srcFramebuffer );
 			state.bindFramebuffer( gl.DRAW_FRAMEBUFFER, dstFramebuffer );
 
@@ -69284,8 +69441,8 @@ class WebGLTextureUtils {
 
 			}
 
-			state.bindFramebuffer( gl.READ_FRAMEBUFFER, null );
-			state.bindFramebuffer( gl.DRAW_FRAMEBUFFER, null );
+			state.bindFramebuffer( gl.READ_FRAMEBUFFER, prevReadFramebuffer );
+			state.bindFramebuffer( gl.DRAW_FRAMEBUFFER, prevDrawFramebuffer );
 
 		} else if ( srcLevel !== 0 || srcTexture.isRenderTargetTexture || backend.has( srcTexture ) ) {
 
@@ -69295,6 +69452,9 @@ class WebGLTextureUtils {
 			if ( this._srcFramebuffer === null ) this._srcFramebuffer = gl.createFramebuffer();
 			if ( this._dstFramebuffer === null ) this._dstFramebuffer = gl.createFramebuffer();
 
+			const prevReadFramebuffer = state.currentBoundFramebuffers[ gl.READ_FRAMEBUFFER ] ?? null;
+			const prevDrawFramebuffer = state.currentBoundFramebuffers[ gl.DRAW_FRAMEBUFFER ] ?? null;
+
 			// bind the frame buffer targets
 			state.bindFramebuffer( gl.READ_FRAMEBUFFER, this._srcFramebuffer );
 			state.bindFramebuffer( gl.DRAW_FRAMEBUFFER, this._dstFramebuffer );
@@ -69339,9 +69499,9 @@ class WebGLTextureUtils {
 
 			}
 
-			// unbind read, draw buffers
-			state.bindFramebuffer( gl.READ_FRAMEBUFFER, null );
-			state.bindFramebuffer( gl.DRAW_FRAMEBUFFER, null );
+			// restore previous read, draw framebuffer bindings
+			state.bindFramebuffer( gl.READ_FRAMEBUFFER, prevReadFramebuffer );
+			state.bindFramebuffer( gl.DRAW_FRAMEBUFFER, prevDrawFramebuffer );
 
 		} else {
 
@@ -70118,7 +70278,7 @@ class TimestampQueryPool {
 	 * @param {string} uid - A unique identifier for the render context.
 	 * @return {boolean} True if a timestamp is available, false otherwise.
 	 */
-	hasTimestamp( uid ) {
+	hasTimestampQuery( uid ) {
 
 		return this.timestamps.has( uid );
 
@@ -70836,6 +70996,18 @@ class WebGLBackend extends Backend {
 
 	}
 
+	/**
+	 * Whether the backend supports query timestamps or not.
+	 *
+	 * @type {boolean}
+	 * @readonly
+	 */
+	get hasTimestamp() {
+
+		return this.disjoint !== null;
+
+	}
+
 	/**
 	 * This method performs a readback operation by moving buffer data from
 	 * a storage buffer attribute from the GPU to the CPU. ReadbackBuffer can
@@ -77710,6 +77882,83 @@ const wgslPolyfill = {
 	repeatWrapping_float: new CodeNode( 'fn tsl_repeatWrapping_float( coord: f32 ) -> f32 { return fract( coord ); }' ),
 	mirrorWrapping_float: new CodeNode( 'fn tsl_mirrorWrapping_float( coord: f32 ) -> f32 { let mirrored = fract( coord * 0.5 ) * 2.0; return 1.0 - abs( 1.0 - mirrored ); }' ),
 	clampWrapping_float: new CodeNode( 'fn tsl_clampWrapping_float( coord: f32 ) -> f32 { return clamp( coord, 0.0, 1.0 ); }' ),
+	inverse_mat2: new CodeNode( /* wgsl */`
+fn tsl_inverse_mat2( m : mat2x2<f32> ) -> mat2x2<f32> {
+
+	let det = m[ 0 ][ 0 ] * m[ 1 ][ 1 ] - m[ 0 ][ 1 ] * m[ 1 ][ 0 ];
+
+	return mat2x2<f32>(
+		m[ 1 ][ 1 ], - m[ 0 ][ 1 ],
+		- m[ 1 ][ 0 ], m[ 0 ][ 0 ]
+	) * ( 1.0 / det );
+
+}
+` ),
+	inverse_mat3: new CodeNode( /* wgsl */`
+fn tsl_inverse_mat3( m : mat3x3<f32> ) -> mat3x3<f32> {
+
+	let a00 = m[ 0 ][ 0 ]; let a01 = m[ 0 ][ 1 ]; let a02 = m[ 0 ][ 2 ];
+	let a10 = m[ 1 ][ 0 ]; let a11 = m[ 1 ][ 1 ]; let a12 = m[ 1 ][ 2 ];
+	let a20 = m[ 2 ][ 0 ]; let a21 = m[ 2 ][ 1 ]; let a22 = m[ 2 ][ 2 ];
+
+	let b01 = a22 * a11 - a12 * a21;
+	let b11 = - a22 * a10 + a12 * a20;
+	let b21 = a21 * a10 - a11 * a20;
+
+	let det = a00 * b01 + a01 * b11 + a02 * b21;
+
+	return mat3x3<f32>(
+		b01, ( - a22 * a01 + a02 * a21 ), ( a12 * a01 - a02 * a11 ),
+		b11, ( a22 * a00 - a02 * a20 ), ( - a12 * a00 + a02 * a10 ),
+		b21, ( - a21 * a00 + a01 * a20 ), ( a11 * a00 - a01 * a10 )
+	) * ( 1.0 / det );
+
+}
+` ),
+	inverse_mat4: new CodeNode( /* wgsl */`
+fn tsl_inverse_mat4( m : mat4x4<f32> ) -> mat4x4<f32> {
+
+	let a00 = m[ 0 ][ 0 ]; let a01 = m[ 0 ][ 1 ]; let a02 = m[ 0 ][ 2 ]; let a03 = m[ 0 ][ 3 ];
+	let a10 = m[ 1 ][ 0 ]; let a11 = m[ 1 ][ 1 ]; let a12 = m[ 1 ][ 2 ]; let a13 = m[ 1 ][ 3 ];
+	let a20 = m[ 2 ][ 0 ]; let a21 = m[ 2 ][ 1 ]; let a22 = m[ 2 ][ 2 ]; let a23 = m[ 2 ][ 3 ];
+	let a30 = m[ 3 ][ 0 ]; let a31 = m[ 3 ][ 1 ]; let a32 = m[ 3 ][ 2 ]; let a33 = m[ 3 ][ 3 ];
+
+	let b00 = a00 * a11 - a01 * a10;
+	let b01 = a00 * a12 - a02 * a10;
+	let b02 = a00 * a13 - a03 * a10;
+	let b03 = a01 * a12 - a02 * a11;
+	let b04 = a01 * a13 - a03 * a11;
+	let b05 = a02 * a13 - a03 * a12;
+	let b06 = a20 * a31 - a21 * a30;
+	let b07 = a20 * a32 - a22 * a30;
+	let b08 = a20 * a33 - a23 * a30;
+	let b09 = a21 * a32 - a22 * a31;
+	let b10 = a21 * a33 - a23 * a31;
+	let b11 = a22 * a33 - a23 * a32;
+
+	let det = b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06;
+
+	return mat4x4<f32>(
+		a11 * b11 - a12 * b10 + a13 * b09,
+		a02 * b10 - a01 * b11 - a03 * b09,
+		a31 * b05 - a32 * b04 + a33 * b03,
+		a22 * b04 - a21 * b05 - a23 * b03,
+		a12 * b08 - a10 * b11 - a13 * b07,
+		a00 * b11 - a02 * b08 + a03 * b07,
+		a32 * b02 - a30 * b05 - a33 * b01,
+		a20 * b05 - a22 * b02 + a23 * b01,
+		a10 * b10 - a11 * b08 + a13 * b06,
+		a01 * b08 - a00 * b10 - a03 * b06,
+		a30 * b04 - a31 * b02 + a33 * b00,
+		a21 * b02 - a20 * b04 - a23 * b00,
+		a11 * b07 - a10 * b09 - a12 * b06,
+		a00 * b09 - a01 * b07 + a02 * b06,
+		a31 * b01 - a30 * b03 - a32 * b00,
+		a20 * b03 - a21 * b01 + a22 * b00
+	) * ( 1.0 / det );
+
+}
+` ),
 	biquadraticTexture: new CodeNode( /* wgsl */`
 fn tsl_biquadraticTexture( map : texture_2d<f32>, coord : vec2f, iRes : vec2u, level : u32 ) -> vec4f {
 
@@ -77769,6 +78018,9 @@ const wgslMethods = {
 	equals_bvec2: 'tsl_equals_bvec2',
 	equals_bvec3: 'tsl_equals_bvec3',
 	equals_bvec4: 'tsl_equals_bvec4',
+	inverse_mat2: 'tsl_inverse_mat2',
+	inverse_mat3: 'tsl_inverse_mat3',
+	inverse_mat4: 'tsl_inverse_mat4',
 	inversesqrt: 'inverseSqrt',
 	bitcast: 'bitcast<f32>',
 	floatpack_snorm_2x16: 'pack2x16snorm',
@@ -83316,6 +83568,18 @@ class WebGPUBackend extends Backend {
 
 	}
 
+	/**
+	 * Whether the backend supports query timestamps or not.
+	 *
+	 * @type {boolean}
+	 * @readonly
+	 */
+	get hasTimestamp() {
+
+		return true;
+
+	}
+
 	/**
 	 * This method performs a readback operation by moving buffer data from
 	 * a storage buffer attribute from the GPU to the CPU. ReadbackBuffer can
diff --git a/build/three.webgpu.min.js b/build/three.webgpu.min.js
index 6472968e6806f4..69692ca11a6aa2 100644
--- a/build/three.webgpu.min.js
+++ b/build/three.webgpu.min.js
@@ -3,4 +3,4 @@
  * Copyright 2010-2026 Three.js Authors
  * SPDX-License-Identifier: MIT
  */
-import{Color as e,Vector2 as t,Vector3 as r,Vector4 as s,Matrix2 as i,Matrix3 as n,Matrix4 as a,error as o,EventDispatcher as u,MathUtils as l,warn as d,WebGLCoordinateSystem as c,WebGPUCoordinateSystem as h,ColorManagement as p,SRGBTransfer as g,NoToneMapping as m,StaticDrawUsage as f,InterleavedBufferAttribute as y,InterleavedBuffer as b,DynamicDrawUsage as x,NoColorSpace as T,log as _,warnOnce as v,Texture as N,UnsignedIntType as S,IntType as R,Compatibility as E,LessCompare as w,LessEqualCompare as A,GreaterCompare as C,GreaterEqualCompare as M,NearestFilter as B,Sphere as L,BackSide as F,DoubleSide as P,CubeTexture as U,CubeReflectionMapping as D,CubeRefractionMapping as O,TangentSpaceNormalMap as I,NoNormalPacking as V,NormalRGPacking as k,NormalGAPacking as G,ObjectSpaceNormalMap as $,RGFormat as z,RED_GREEN_RGTC2_Format as W,RG11_EAC_Format as H,InstancedBufferAttribute as j,InstancedInterleavedBuffer as q,DataArrayTexture as X,FloatType as Y,FramebufferTexture as K,LinearMipmapLinearFilter as Q,DepthTexture as Z,Material as J,LineBasicMaterial as ee,LineDashedMaterial as te,NoBlending as re,MeshNormalMaterial as se,SRGBColorSpace as ie,RenderTarget as ne,BoxGeometry as ae,Mesh as oe,Scene as ue,LinearFilter as le,CubeCamera as de,EquirectangularReflectionMapping as ce,EquirectangularRefractionMapping as he,AddOperation as pe,MixOperation as ge,MultiplyOperation as me,MeshBasicMaterial as fe,MeshLambertMaterial as ye,MeshPhongMaterial as be,DataTexture as xe,HalfFloatType as Te,ClampToEdgeWrapping as _e,BufferGeometry as ve,OrthographicCamera as Ne,PerspectiveCamera as Se,LinearSRGBColorSpace as Re,RGBAFormat as Ee,CubeUVReflectionMapping as we,BufferAttribute as Ae,MeshStandardMaterial as Ce,MeshPhysicalMaterial as Me,MeshToonMaterial as Be,MeshMatcapMaterial as Le,SpriteMaterial as Fe,PointsMaterial as Pe,ShadowMaterial as Ue,Uint32BufferAttribute as De,Uint16BufferAttribute as Oe,ByteType as Ie,UnsignedByteType as Ve,ShortType as ke,UnsignedShortType as Ge,AlphaFormat as $e,RedFormat as ze,RedIntegerFormat as We,DepthFormat as He,DepthStencilFormat as je,RGIntegerFormat as qe,RGBFormat as Xe,RGBIntegerFormat as Ye,UnsignedShort4444Type as Ke,UnsignedShort5551Type as Qe,UnsignedInt248Type as Ze,UnsignedInt5999Type as Je,UnsignedInt101111Type as et,NormalBlending as tt,SrcAlphaFactor as rt,OneMinusSrcAlphaFactor as st,AddEquation as it,MaterialBlending as nt,Object3D as at,LinearMipMapLinearFilter as ot,Plane as ut,Float32BufferAttribute as lt,UVMapping as dt,PCFShadowMap as ct,PCFSoftShadowMap as ht,VSMShadowMap as pt,BasicShadowMap as gt,CubeDepthTexture as mt,SphereGeometry as ft,LinearMipmapNearestFilter as yt,NearestMipmapLinearFilter as bt,Float16BufferAttribute as xt,yieldToMain as Tt,REVISION as _t,ArrayCamera as vt,PlaneGeometry as Nt,FrontSide as St,CustomBlending as Rt,ZeroFactor as Et,CylinderGeometry as wt,Quaternion as At,WebXRController as Ct,RAD2DEG as Mt,FrustumArray as Bt,Frustum as Lt,RGBAIntegerFormat as Ft,TimestampQuery as Pt,createCanvasElement as Ut,ReverseSubtractEquation as Dt,SubtractEquation as Ot,OneMinusDstAlphaFactor as It,OneMinusDstColorFactor as Vt,OneMinusSrcColorFactor as kt,DstAlphaFactor as Gt,DstColorFactor as $t,SrcAlphaSaturateFactor as zt,SrcColorFactor as Wt,OneFactor as Ht,CullFaceNone as jt,CullFaceBack as qt,CullFaceFront as Xt,MultiplyBlending as Yt,SubtractiveBlending as Kt,AdditiveBlending as Qt,NotEqualDepth as Zt,GreaterDepth as Jt,GreaterEqualDepth as er,EqualDepth as tr,LessEqualDepth as rr,LessDepth as sr,AlwaysDepth as ir,NeverDepth as nr,ReversedDepthFuncs as ar,RGB_S3TC_DXT1_Format as or,RGBA_S3TC_DXT1_Format as ur,RGBA_S3TC_DXT3_Format as lr,RGBA_S3TC_DXT5_Format as dr,RGB_PVRTC_4BPPV1_Format as cr,RGB_PVRTC_2BPPV1_Format as hr,RGBA_PVRTC_4BPPV1_Format as pr,RGBA_PVRTC_2BPPV1_Format as gr,RGB_ETC1_Format as mr,RGB_ETC2_Format as fr,RGBA_ETC2_EAC_Format as yr,R11_EAC_Format as br,SIGNED_R11_EAC_Format as xr,SIGNED_RG11_EAC_Format as Tr,RGBA_ASTC_4x4_Format as _r,RGBA_ASTC_5x4_Format as vr,RGBA_ASTC_5x5_Format as Nr,RGBA_ASTC_6x5_Format as Sr,RGBA_ASTC_6x6_Format as Rr,RGBA_ASTC_8x5_Format as Er,RGBA_ASTC_8x6_Format as wr,RGBA_ASTC_8x8_Format as Ar,RGBA_ASTC_10x5_Format as Cr,RGBA_ASTC_10x6_Format as Mr,RGBA_ASTC_10x8_Format as Br,RGBA_ASTC_10x10_Format as Lr,RGBA_ASTC_12x10_Format as Fr,RGBA_ASTC_12x12_Format as Pr,RGBA_BPTC_Format as Ur,RGB_BPTC_SIGNED_Format as Dr,RGB_BPTC_UNSIGNED_Format as Or,RED_RGTC1_Format as Ir,SIGNED_RED_RGTC1_Format as Vr,SIGNED_RED_GREEN_RGTC2_Format as kr,MirroredRepeatWrapping as Gr,RepeatWrapping as $r,NearestMipmapNearestFilter as zr,NotEqualCompare as Wr,EqualCompare as Hr,AlwaysCompare as jr,NeverCompare as qr,LinearTransfer as Xr,getByteLength as Yr,isTypedArray as Kr,NotEqualStencilFunc as Qr,GreaterStencilFunc as Zr,GreaterEqualStencilFunc as Jr,EqualStencilFunc as es,LessEqualStencilFunc as ts,LessStencilFunc as rs,AlwaysStencilFunc as ss,NeverStencilFunc as is,DecrementWrapStencilOp as ns,IncrementWrapStencilOp as as,DecrementStencilOp as os,IncrementStencilOp as us,InvertStencilOp as ls,ReplaceStencilOp as ds,ZeroStencilOp as cs,KeepStencilOp as hs,MaxEquation as ps,MinEquation as gs,SpotLight as ms,PointLight as fs,DirectionalLight as ys,RectAreaLight as bs,AmbientLight as xs,HemisphereLight as Ts,LightProbe as _s,LinearToneMapping as vs,ReinhardToneMapping as Ns,CineonToneMapping as Ss,ACESFilmicToneMapping as Rs,AgXToneMapping as Es,NeutralToneMapping as ws,Group as As,Loader as Cs,FileLoader as Ms,MaterialLoader as Bs,ObjectLoader as Ls}from"./three.core.min.js";export{AdditiveAnimationBlendMode,AnimationAction,AnimationClip,AnimationLoader,AnimationMixer,AnimationObjectGroup,AnimationUtils,ArcCurve,ArrowHelper,AttachedBindMode,Audio,AudioAnalyser,AudioContext,AudioListener,AudioLoader,AxesHelper,BasicDepthPacking,BatchedMesh,BezierInterpolant,Bone,BooleanKeyframeTrack,Box2,Box3,Box3Helper,BoxHelper,BufferGeometryLoader,Cache,Camera,CameraHelper,CanvasTexture,CapsuleGeometry,CatmullRomCurve3,CircleGeometry,Clock,ColorKeyframeTrack,CompressedArrayTexture,CompressedCubeTexture,CompressedTexture,CompressedTextureLoader,ConeGeometry,ConstantAlphaFactor,ConstantColorFactor,Controls,CubeTextureLoader,CubicBezierCurve,CubicBezierCurve3,CubicInterpolant,CullFaceFrontBack,Curve,CurvePath,CustomToneMapping,Cylindrical,Data3DTexture,DataTextureLoader,DataUtils,DefaultLoadingManager,DetachedBindMode,DirectionalLightHelper,DiscreteInterpolant,DodecahedronGeometry,DynamicCopyUsage,DynamicReadUsage,EdgesGeometry,EllipseCurve,Euler,ExternalTexture,ExtrudeGeometry,Fog,FogExp2,GLBufferAttribute,GLSL1,GLSL3,GridHelper,HTMLTexture,HemisphereLightHelper,IcosahedronGeometry,ImageBitmapLoader,ImageLoader,ImageUtils,InstancedBufferGeometry,InstancedMesh,Int16BufferAttribute,Int32BufferAttribute,Int8BufferAttribute,Interpolant,InterpolateBezier,InterpolateDiscrete,InterpolateLinear,InterpolateSmooth,InterpolationSamplingMode,InterpolationSamplingType,KeyframeTrack,LOD,LatheGeometry,Layers,Light,Line,Line3,LineCurve,LineCurve3,LineLoop,LineSegments,LinearInterpolant,LinearMipMapNearestFilter,LoaderUtils,LoadingManager,LoopOnce,LoopPingPong,LoopRepeat,MOUSE,MeshDepthMaterial,MeshDistanceMaterial,NearestMipMapLinearFilter,NearestMipMapNearestFilter,NormalAnimationBlendMode,NumberKeyframeTrack,OctahedronGeometry,OneMinusConstantAlphaFactor,OneMinusConstantColorFactor,Path,PlaneHelper,PointLightHelper,Points,PolarGridHelper,PolyhedronGeometry,PositionalAudio,PropertyBinding,PropertyMixer,QuadraticBezierCurve,QuadraticBezierCurve3,QuaternionKeyframeTrack,QuaternionLinearInterpolant,RGBADepthPacking,RGBDepthPacking,RGDepthPacking,RawShaderMaterial,Ray,Raycaster,RenderTarget3D,RingGeometry,ShaderMaterial,Shape,ShapeGeometry,ShapePath,ShapeUtils,Skeleton,SkeletonHelper,SkinnedMesh,Source,Spherical,SphericalHarmonics3,SplineCurve,SpotLightHelper,Sprite,StaticCopyUsage,StaticReadUsage,StereoCamera,StreamCopyUsage,StreamDrawUsage,StreamReadUsage,StringKeyframeTrack,TOUCH,TetrahedronGeometry,TextureLoader,TextureUtils,Timer,TorusGeometry,TorusKnotGeometry,Triangle,TriangleFanDrawMode,TriangleStripDrawMode,TrianglesDrawMode,TubeGeometry,Uint8BufferAttribute,Uint8ClampedBufferAttribute,Uniform,UniformsGroup,VectorKeyframeTrack,VideoFrameTexture,VideoTexture,WebGL3DRenderTarget,WebGLArrayRenderTarget,WebGLRenderTarget,WireframeGeometry,WrapAroundEnding,ZeroCurvatureEnding,ZeroSlopeEnding,getConsoleFunction,setConsoleFunction}from"./three.core.min.js";const Fs=["alphaMap","alphaTest","anisotropy","anisotropyMap","anisotropyRotation","aoMap","aoMapIntensity","attenuationColor","attenuationDistance","bumpMap","clearcoat","clearcoatMap","clearcoatNormalMap","clearcoatNormalScale","clearcoatRoughness","color","dispersion","displacementMap","emissive","emissiveIntensity","emissiveMap","envMap","envMapIntensity","gradientMap","ior","iridescence","iridescenceIOR","iridescenceMap","iridescenceThicknessMap","lightMap","lightMapIntensity","map","matcap","metalness","metalnessMap","normalMap","normalScale","opacity","roughness","roughnessMap","sheen","sheenColor","sheenColorMap","sheenRoughnessMap","shininess","specular","specularColor","specularColorMap","specularIntensity","specularIntensityMap","specularMap","thickness","transmission","transmissionMap"],Ps=new WeakMap,Us=new WeakMap,Ds=new WeakMap;class Os{constructor(e){this.renderObjects=new WeakMap,this.hasNode=this.containsNode(e),this.hasAnimation=!0===e.object.isSkinnedMesh,this.refreshUniforms=Fs,this.renderId=0}firstInitialization(e){return!1===this.renderObjects.has(e)&&(this.getRenderObjectData(e),!0)}needsVelocity(e){const t=e.getMRT();return null!==t&&t.has("velocity")}getRenderObjectData(e){let t=this.renderObjects.get(e);if(void 0===t){const{geometry:r,object:s}=e;if(t={geometryId:r.id,worldMatrix:s.matrixWorld.clone()},s.center&&(t.center=s.center.clone()),s.morphTargetInfluences&&(t.morphTargetInfluences=s.morphTargetInfluences.slice()),null!==e.bundle&&(t.version=e.bundle.version),e.material.transmission>0){const{width:r,height:s}=e.context;t.bufferWidth=r,t.bufferHeight=s}t.lights=this.getLightsData(e.lightsNode.getLights(),[]),this.renderObjects.set(e,t)}return t}getAttributesData(e){const t={};for(const r in e){const s=e[r];t[r]={id:s.isInterleavedBufferAttribute?s.data.uuid:s.id,version:s.isInterleavedBufferAttribute?s.data.version:s.version}}return t}containsNode(e){const t=e.material;for(const e in t)if(t[e]&&t[e].isNode)return!0;return!!(e.context.modelViewMatrix||e.context.modelNormalViewMatrix||e.context.getAO||e.context.getShadow)}getGeometryData(e){let t=Ds.get(e);return void 0===t&&(t={_renderId:-1,_equal:!1,attributes:this.getAttributesData(e.attributes),indexId:e.index?e.index.id:null,indexVersion:e.index?e.index.version:null,drawRange:{start:e.drawRange.start,count:e.drawRange.count}},Ds.set(e,t)),t}getMaterialData(e){let t=Us.get(e);if(void 0===t){t={_renderId:-1,_equal:!1};for(const r of this.refreshUniforms){const s=e[r];null!=s&&("object"==typeof s&&void 0!==s.clone?!0===s.isTexture?t[r]={id:s.id,version:0}:t[r]=s.clone():t[r]=s)}Us.set(e,t)}return t}equals(e,t,r){const{object:s,material:i,geometry:n}=e,a=this.getRenderObjectData(e);if(!0!==a.worldMatrix.equals(s.matrixWorld))return a.worldMatrix.copy(s.matrixWorld),!1;const o=this.getMaterialData(e.material);if(o._renderId!==r){o._renderId=r;for(const e in o){const t=o[e],r=i[e];if("_renderId"!==e&&"_equal"!==e)if(void 0!==t.equals){if(!1===t.equals(r))return t.copy(r),o._equal=!1,!1}else if(!0===r.isTexture){if(t.id!==r.id||t.version!==r.version)return t.id=r.id,t.version=r.version,o._equal=!1,!1}else if(t!==r)return o[e]=r,o._equal=!1,!1}if(o.transmission>0){const{width:t,height:r}=e.context;if(a.bufferWidth!==t||a.bufferHeight!==r)return a.bufferWidth=t,a.bufferHeight=r,o._equal=!1,!1}o._equal=!0}else if(!1===o._equal)return!1;if(a.geometryId!==n.id)return a.geometryId=n.id,!1;const u=this.getGeometryData(e.geometry);if(u._renderId!==r){u._renderId=r;const e=n.attributes,t=u.attributes;let s=0,i=0;for(const t in e)s++;for(const r in t){i++;const s=t[r],n=e[r];if(void 0===n)return delete t[r],u._equal=!1,!1;const a=n.isInterleavedBufferAttribute?n.data.uuid:n.id,o=n.isInterleavedBufferAttribute?n.data.version:n.version;if(s.id!==a||s.version!==o)return s.id=a,s.version=o,u._equal=!1,!1}if(i!==s)return u.attributes=this.getAttributesData(e),u._equal=!1,!1;const a=n.index,o=u.indexId,l=u.indexVersion,d=a?a.id:null,c=a?a.version:null;if(o!==d||l!==c)return u.indexId=d,u.indexVersion=c,u._equal=!1,!1;if(u.drawRange.start!==n.drawRange.start||u.drawRange.count!==n.drawRange.count)return u.drawRange.start=n.drawRange.start,u.drawRange.count=n.drawRange.count,u._equal=!1,!1;u._equal=!0}else if(!1===u._equal)return!1;if(a.morphTargetInfluences){let e=!1;for(let t=0;t<a.morphTargetInfluences.length;t++)a.morphTargetInfluences[t]!==s.morphTargetInfluences[t]&&(a.morphTargetInfluences[t]=s.morphTargetInfluences[t],e=!0);if(e)return!1}if(a.lights)for(let e=0;e<t.length;e++)if(a.lights[e].map!==t[e].map)return!1;return a.center&&!1===a.center.equals(s.center)?(a.center.copy(s.center),!0):(null!==e.bundle&&(a.version=e.bundle.version),!0)}getLightsData(e,t){t.length=0;for(const r of e)!0===r.isSpotLight&&null!==r.map&&t.push({map:r.map.version});return t}getLights(e,t){let r=Ps.get(e);return void 0===r&&(r={renderId:-1,lightsData:[]},Ps.set(e,r)),r.renderId===t||(r.renderId=t,this.getLightsData(e.getLights(),r.lightsData)),r.lightsData}needsRefresh(e,t){if(this.hasNode||this.hasAnimation||this.firstInitialization(e)||this.needsVelocity(t.renderer))return!0;const{renderId:r}=t;if(this.renderId!==r)return this.renderId=r,!0;const s=!0===e.object.static,i=null!==e.bundle&&!0===e.bundle.static&&this.getRenderObjectData(e).version===e.bundle.version;if(s||i)return!1;const n=this.getLights(e.lightsNode,r);return!0!==this.equals(e,n,r)}}const Is=[/^StackTrace\.js$/,/^TSLCore\.js$/,/^.*Node\.js$/,/^three\.webgpu.*\.js$/];class Vs{constructor(e=null){this.isStackTrace=!0,this.stack=function(e){const t=/(?:at\s+(.+?)\s+\()?(?:(.+?)@)?([^@\s()]+):(\d+):(\d+)/;return e.split("\n").map(e=>{const r=e.match(t);if(!r)return null;const 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Gs=e=>ks(e),$s=e=>ks(e),zs=(...e)=>ks(e),Ws=new Map([[1,"float"],[2,"vec2"],[3,"vec3"],[4,"vec4"],[9,"mat3"],[16,"mat4"]]),Hs=new WeakMap;function js(e){return Ws.get(e)}function qs(e){if(/[iu]?vec\d/.test(e))return e.startsWith("ivec")?Int32Array:e.startsWith("uvec")?Uint32Array:Float32Array;if(/mat\d/.test(e))return Float32Array;if(/float/.test(e))return Float32Array;if(/uint/.test(e))return Uint32Array;if(/int/.test(e))return Int32Array;throw new Error(`THREE.NodeUtils: Unsupported type: ${e}`)}function Xs(e){return/float|int|uint|bool/.test(e)?1:/vec2/.test(e)?2:/vec3/.test(e)?3:/vec4/.test(e)||/mat2/.test(e)?4:/mat3/.test(e)?9:/mat4/.test(e)?16:void o(`TSL: Unsupported type: ${e}`,new Vs)}function Ys(e){return/float|int|uint|bool/.test(e)?1:/vec2/.test(e)?2:/vec3/.test(e)?3:/vec4/.test(e)||/mat2/.test(e)?4:/mat3/.test(e)?12:/mat4/.test(e)?16:void o(`TSL: Unsupported type: ${e}`,new Vs)}function Ks(e){return/float|int|uint|bool/.test(e)?1:/vec2/.test(e)?2:/vec3/.test(e)||/vec4/.test(e)?4:/mat2/.test(e)?2:/mat3/.test(e)||/mat4/.test(e)?4:void o(`TSL: Unsupported type: ${e}`,new Vs)}function Qs(e){if(null==e)return null;const t=typeof e;return!0===e.isNode?"node":"number"===t?"float":"boolean"===t?"bool":"string"===t?"string":"function"===t?"shader":!0===e.isVector2?"vec2":!0===e.isVector3?"vec3":!0===e.isVector4?"vec4":!0===e.isMatrix2?"mat2":!0===e.isMatrix3?"mat3":!0===e.isMatrix4?"mat4":!0===e.isColor?"color":e instanceof ArrayBuffer?"ArrayBuffer":null}function Zs(o,...u){const l=o?o.slice(-4):void 0;return 1===u.length&&("vec2"===l?u=[u[0],u[0]]:"vec3"===l?u=[u[0],u[0],u[0]]:"vec4"===l&&(u=[u[0],u[0],u[0],u[0]])),"color"===o?new e(...u):"vec2"===l?new t(...u):"vec3"===l?new r(...u):"vec4"===l?new s(...u):"mat2"===l?new i(...u):"mat3"===l?new n(...u):"mat4"===l?new a(...u):"bool"===o?u[0]||!1:"float"===o||"int"===o||"uint"===o?u[0]||0:"string"===o?u[0]||"":"ArrayBuffer"===o?ti(u[0]):null}function Js(e){let t=Hs.get(e);return void 0===t&&(t={},Hs.set(e,t)),t}function ei(e){let t="";const r=new Uint8Array(e);for(let e=0;e<r.length;e++)t+=String.fromCharCode(r[e]);return btoa(t)}function ti(e){return Uint8Array.from(atob(e),e=>e.charCodeAt(0)).buffer}var ri=Object.freeze({__proto__:null,arrayBufferToBase64:ei,base64ToArrayBuffer:ti,getAlignmentFromType:Ks,getDataFromObject:Js,getLengthFromType:Xs,getMemoryLengthFromType:Ys,getTypeFromLength:js,getTypedArrayFromType:qs,getValueFromType:Zs,getValueType:Qs,hash:zs,hashArray:$s,hashString:Gs});const si={VERTEX:"vertex",FRAGMENT:"fragment"},ii={NONE:"none",FRAME:"frame",RENDER:"render",OBJECT:"object"},ni={BOOLEAN:"bool",INTEGER:"int",FLOAT:"float",VECTOR2:"vec2",VECTOR3:"vec3",VECTOR4:"vec4",MATRIX2:"mat2",MATRIX3:"mat3",MATRIX4:"mat4"},ai={READ_ONLY:"readOnly",WRITE_ONLY:"writeOnly",READ_WRITE:"readWrite"},oi=["fragment","vertex"],ui=["setup","analyze","generate"],li=[...oi,"compute"],di=["x","y","z","w"],ci={analyze:"setup",generate:"analyze"};let hi=0;class pi extends u{static get type(){return"Node"}constructor(e=null){super(),this.nodeType=e,this.updateType=ii.NONE,this.updateBeforeType=ii.NONE,this.updateAfterType=ii.NONE,this.version=0,this.name="",this.global=!1,this.parents=!1,this.isNode=!0,this._beforeNodes=null,this._cacheKey=null,this._uuid=null,this._cacheKeyVersion=0,this.id=hi++,this.stackTrace=null,!0===pi.captureStackTrace&&(this.stackTrace=new Vs)}set needsUpdate(e){!0===e&&this.version++}get uuid(){return null===this._uuid&&(this._uuid=l.generateUUID()),this._uuid}get type(){return this.constructor.type}onUpdate(e,t){return this.updateType=t,this.update=e.bind(this),this}onFrameUpdate(e){return this.onUpdate(e,ii.FRAME)}onRenderUpdate(e){return this.onUpdate(e,ii.RENDER)}onObjectUpdate(e){return this.onUpdate(e,ii.OBJECT)}onReference(e){return this.updateReference=e.bind(this),this}updateReference(){return this}isGlobal(){return this.global}*getChildren(){for(const{childNode:e}of this._getChildren())yield e}dispose(){this.dispatchEvent({type:"dispose"})}traverse(e){e(this);for(const t of this.getChildren())t.traverse(e)}_getChildren(e=new Set){const t=[];e.add(this);for(const r of Object.getOwnPropertyNames(this)){const s=this[r];if(!0!==r.startsWith("_")&&!e.has(s))if(!0===Array.isArray(s))for(let e=0;e<s.length;e++){const i=s[e];i&&!0===i.isNode&&t.push({property:r,index:e,childNode:i})}else if(s&&!0===s.isNode)t.push({property:r,childNode:s});else if(s&&Object.getPrototypeOf(s)===Object.prototype)for(const e in s){if(!0===e.startsWith("_"))continue;const i=s[e];i&&!0===i.isNode&&t.push({property:r,index:e,childNode:i})}}return t}getCacheKey(e=!1,t=null){if(!0===(e=e||this.version!==this._cacheKeyVersion)||null===this._cacheKey){null===t&&(t=new Set);const r=[];for(const{property:s,childNode:i}of this._getChildren(t))r.push(Gs(s.slice(0,-4)),i.getCacheKey(e,t));this._cacheKey=zs($s(r),this.customCacheKey()),this._cacheKeyVersion=this.version}return this._cacheKey}customCacheKey(){return this.id}getScope(){return this}getHash(){return String(this.id)}getUpdateType(){return this.updateType}getUpdateBeforeType(){return this.updateBeforeType}getUpdateAfterType(){return this.updateAfterType}getElementType(e){const t=this.getNodeType(e);return e.getElementType(t)}getMemberType(){return"void"}getNodeType(e,t=null){const r=e.getDataFromNode(this);let s;return null!==t?(r.typeFromOutput=r.typeFromOutput||{},s=r.typeFromOutput[t],void 0===s&&(s=this.generateNodeType(e,t),r.typeFromOutput[t]=s)):(s=r.type,void 0===s&&(s=this.generateNodeType(e),r.type=s)),s}generateNodeType(e,t=null){const r=e.getNodeProperties(this);return r.outputNode?r.outputNode.getNodeType(e,t):this.nodeType}getShared(e){const t=this.getHash(e);return e.getNodeFromHash(t)||this}getArrayCount(){return null}setup(e){const t=e.getNodeProperties(this);let r=0;for(const e of this.getChildren())t["node"+r++]=e;return t.outputNode||null}analyze(e,t=null){const r=e.increaseUsage(this);if(!0===this.parents){const r=e.getDataFromNode(this,"any");r.stages=r.stages||{},r.stages[e.shaderStage]=r.stages[e.shaderStage]||[],r.stages[e.shaderStage].push(t)}if(1===r){const t=e.getNodeProperties(this);for(const r of Object.values(t))r&&!0===r.isNode&&r.build(e,this)}}generate(e,t){const{outputNode:r}=e.getNodeProperties(this);if(r&&!0===r.isNode)return r.build(e,t)}updateBefore(){d("Abstract function.")}updateAfter(){d("Abstract function.")}update(){d("Abstract function.")}before(e){return null===this._beforeNodes&&(this._beforeNodes=[]),this._beforeNodes.push(e),this}build(e,t=null){const r=this.getShared(e);if(this!==r)return r.build(e,t);if(null!==this._beforeNodes){const r=this._beforeNodes;this._beforeNodes=null;for(const s of r)s.build(e,t);this._beforeNodes=r}const s=e.getDataFromNode(this);s.buildStages=s.buildStages||{},s.buildStages[e.buildStage]=!0;const i=ci[e.buildStage];if(i&&!0!==s.buildStages[i]){const t=e.getBuildStage();e.setBuildStage(i),this.build(e),e.setBuildStage(t)}e.addChain(this);let n=null;const a=e.getBuildStage();if("setup"===a){e.addNode(this),this.updateReference(e);const t=e.getNodeProperties(this);if(!0!==t.initialized){t.initialized=!0,t.outputNode=this.setup(e)||t.outputNode||null;for(const r of Object.values(t))if(r&&!0===r.isNode){if(!0===r.parents){const t=e.getNodeProperties(r);t.parents=t.parents||[],t.parents.push(this)}r.build(e)}e.addSequentialNode(this)}n=t.outputNode}else if("analyze"===a)this.analyze(e,t);else if("generate"===a){if(this.generate.length<2){const r=this.getNodeType(e),s=e.getDataFromNode(this);n=s.snippet,void 0===n?void 0===s.generated?(s.generated=!0,n=this.generate(e)||"",s.snippet=n):(d("Node: Recursion detected.",this),n="/* Recursion detected. */"):void 0!==s.flowCodes&&void 0!==e.context.nodeBlock&&e.addFlowCodeHierarchy(this,e.context.nodeBlock),n=e.format(n,r,t)}else n=this.generate(e,t)||"";""===n&&null!==t&&"void"!==t&&"OutputType"!==t&&(o(`TSL: Invalid generated code, expected a "${t}".`),n=e.generateConst(t))}return e.removeChain(this),n}getSerializeChildren(){return this._getChildren()}serialize(e){const t=this.getSerializeChildren(),r={};for(const{property:s,index:i,childNode:n}of t)void 0!==i?(void 0===r[s]&&(r[s]=Number.isInteger(i)?[]:{}),r[s][i]=n.toJSON(e.meta).uuid):r[s]=n.toJSON(e.meta).uuid;Object.keys(r).length>0&&(e.inputNodes=r)}deserialize(e){if(void 0!==e.inputNodes){const t=e.meta.nodes;for(const r in e.inputNodes)if(Array.isArray(e.inputNodes[r])){const s=[];for(const i of e.inputNodes[r])s.push(t[i]);this[r]=s}else if("object"==typeof e.inputNodes[r]){const s={};for(const i in e.inputNodes[r]){const n=e.inputNodes[r][i];s[i]=t[n]}this[r]=s}else{const s=e.inputNodes[r];this[r]=t[s]}}}toJSON(e){const{uuid:t,type:r}=this,s=void 0===e||"string"==typeof e;s&&(e={textures:{},images:{},nodes:{}});let i=e.nodes[t];function n(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(void 0===i&&(i={uuid:t,type:r,meta:e,metadata:{version:4.7,type:"Node",generator:"Node.toJSON"}},!0!==s&&(e.nodes[i.uuid]=i),this.serialize(i),delete i.meta),s){const t=n(e.textures),r=n(e.images),s=n(e.nodes);t.length>0&&(i.textures=t),r.length>0&&(i.images=r),s.length>0&&(i.nodes=s)}return i}}pi.captureStackTrace=!1;class gi extends pi{static get type(){return"ArrayElementNode"}constructor(e,t){super(),this.node=e,this.indexNode=t,this.isArrayElementNode=!0}generateNodeType(e){return this.node.getElementType(e)}getMemberType(e,t){return this.node.getMemberType(e,t)}generate(e){const t=this.indexNode.getNodeType(e);return`${this.node.build(e)}[ ${this.indexNode.build(e,!e.isVector(t)&&e.isInteger(t)?t:"uint")} ]`}}class mi extends pi{static get type(){return"ConvertNode"}constructor(e,t){super(),this.node=e,this.convertTo=t}generateNodeType(e){const t=this.node.getNodeType(e);let r=null;for(const s of this.convertTo.split("|"))null!==r&&e.getTypeLength(t)!==e.getTypeLength(s)||(r=s);return r}serialize(e){super.serialize(e),e.convertTo=this.convertTo}deserialize(e){super.deserialize(e),this.convertTo=e.convertTo}generate(e,t){const r=this.node,s=this.getNodeType(e),i=r.build(e,s);return e.format(i,s,t)}}class fi extends pi{static get type(){return"TempNode"}constructor(e=null){super(e),this.isTempNode=!0}hasDependencies(e){return e.getDataFromNode(this).usageCount>1}build(e,t){if("generate"===e.getBuildStage()){const r=e.getVectorType(this.getNodeType(e,t)),s=e.getDataFromNode(this);if(void 0!==s.propertyName)return e.format(s.propertyName,r,t);if("void"!==r&&"void"!==t&&this.hasDependencies(e)){const i=super.build(e,r),n=e.getVarFromNode(this,null,r),a=e.getPropertyName(n);return e.addLineFlowCode(`${a} = ${i}`,this),s.snippet=i,s.propertyName=a,e.format(s.propertyName,r,t)}}return super.build(e,t)}}class yi extends fi{static get type(){return"JoinNode"}constructor(e=[],t=null){super(t),this.nodes=e}generateNodeType(e){return null!==this.nodeType?e.getVectorType(this.nodeType):e.getTypeFromLength(this.nodes.reduce((t,r)=>t+e.getTypeLength(r.getNodeType(e)),0))}generate(e,t){const r=this.getNodeType(e),s=e.getTypeLength(r),i=this.nodes,n=e.getComponentType(r),a=[];let u=0;for(const t of i){if(u>=s){o(`TSL: Length of parameters exceeds maximum length of function '${r}()' type.`,this.stackTrace);break}let i,l=t.getNodeType(e),d=e.getTypeLength(l);u+d>s&&(o(`TSL: Length of '${r}()' data exceeds maximum length of output type.`,this.stackTrace),d=s-u,l=e.getTypeFromLength(d)),u+=d,i=t.build(e,l);if(e.getComponentType(l)!==n){const t=e.getTypeFromLength(d,n);i=e.format(i,l,t)}a.push(i)}const l=`${e.getType(r)}( ${a.join(", ")} )`;return e.format(l,r,t)}}const bi=di.join("");class xi extends pi{static get type(){return"SplitNode"}constructor(e,t="x"){super(),this.node=e,this.components=t,this.isSplitNode=!0}getVectorLength(){let e=this.components.length;for(const t of this.components)e=Math.max(di.indexOf(t)+1,e);return e}getComponentType(e){return e.getComponentType(this.node.getNodeType(e))}generateNodeType(e){return e.getTypeFromLength(this.components.length,this.getComponentType(e))}getScope(){return this.node.getScope()}generate(e,t){const r=this.node,s=e.getTypeLength(r.getNodeType(e));let i=null;if(s>1){let n=null;this.getVectorLength()>=s&&(n=e.getTypeFromLength(this.getVectorLength(),this.getComponentType(e)));const a=r.build(e,n);i=this.components.length===s&&this.components===bi.slice(0,this.components.length)?e.format(a,n,t):e.format(`${a}.${this.components}`,this.getNodeType(e),t)}else i=r.build(e,t);return i}serialize(e){super.serialize(e),e.components=this.components}deserialize(e){super.deserialize(e),this.components=e.components}}class Ti extends fi{static get type(){return"SetNode"}constructor(e,t,r){super(),this.sourceNode=e,this.components=t,this.targetNode=r}generateNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{sourceNode:t,components:r,targetNode:s}=this,i=this.getNodeType(e),n=e.getComponentType(s.getNodeType(e)),a=e.getTypeFromLength(r.length,n),o=s.build(e,a),u=t.build(e,i),l=e.getTypeLength(i),d=[];for(let e=0;e<l;e++){const t=di[e];t===r[0]?(d.push(o),e+=r.length-1):d.push(u+"."+t)}return`${e.getType(i)}( ${d.join(", ")} )`}}class _i extends fi{static get type(){return"FlipNode"}constructor(e,t){super(),this.sourceNode=e,this.components=t}generateNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{components:t,sourceNode:r}=this,s=this.getNodeType(e),i=r.build(e),n=e.getVarFromNode(this),a=e.getPropertyName(n);e.addLineFlowCode(a+" = "+i,this);const o=e.getTypeLength(s),u=[];let l=0;for(let e=0;e<o;e++){const r=di[e];r===t[l]?(u.push("1.0 - "+a+"."+r),l++):u.push(a+"."+r)}return`${e.getType(s)}( ${u.join(", ")} )`}}class vi extends pi{static get type(){return"InputNode"}constructor(e,t=null){super(t),this.isInputNode=!0,this.value=e,this.precision=null}generateNodeType(){return null===this.nodeType?Qs(this.value):this.nodeType}getInputType(e){return this.getNodeType(e)}setPrecision(e){return this.precision=e,this}serialize(e){super.serialize(e),e.value=this.value,this.value&&this.value.toArray&&(e.value=this.value.toArray()),e.valueType=Qs(this.value),e.nodeType=this.nodeType,"ArrayBuffer"===e.valueType&&(e.value=ei(e.value)),e.precision=this.precision}deserialize(e){super.deserialize(e),this.nodeType=e.nodeType,this.value=Array.isArray(e.value)?Zs(e.valueType,...e.value):e.value,this.precision=e.precision||null,this.value&&this.value.fromArray&&(this.value=this.value.fromArray(e.value))}generate(){d("Abstract function.")}}const Ni=/float|u?int/;class Si extends vi{static get type(){return"ConstNode"}constructor(e,t=null){super(e,t),this.isConstNode=!0}generateConst(e){return e.generateConst(this.getNodeType(e),this.value)}generate(e,t){const r=this.getNodeType(e);return Ni.test(r)&&Ni.test(t)?e.generateConst(t,this.value):e.format(this.generateConst(e),r,t)}}class Ri extends pi{static get type(){return"MemberNode"}constructor(e,t){super(),this.structNode=e,this.property=t,this.isMemberNode=!0}hasMember(e){return(!this.structNode.isMemberNode||!1!==this.structNode.hasMember(e))&&"void"!==this.structNode.getMemberType(e,this.property)}generateNodeType(e){return!1===this.hasMember(e)?"float":this.structNode.getMemberType(e,this.property)}getMemberType(e,t){if(!1===this.hasMember(e))return"float";const r=this.getNodeType(e);return e.getStructTypeNode(r).getMemberType(e,t)}generate(e){if(!1===this.hasMember(e)){d(`TSL: Member "${this.property}" does not exist in struct.`,this.stackTrace);const t=this.getNodeType(e);return e.generateConst(t)}return this.structNode.build(e)+"."+this.property}}let Ei=null;const wi=new Map;function Ai(e,t){if(wi.has(e))d(`TSL: Redefinition of method chaining '${e}'.`);else{if("function"!=typeof t)throw new Error(`THREE.TSL: Node element ${e} is not a function`);wi.set(e,t),"assign"!==e&&(pi.prototype[e]=function(...e){return this.isStackNode?this.addToStack(t(...e)):t(this,...e)},pi.prototype[e+"Assign"]=function(...e){return this.isStackNode?this.assign(e[0],t(...e)):this.assign(t(this,...e))})}}const Ci=e=>(e=>e.replace(/r|s/g,"x").replace(/g|t/g,"y").replace(/b|p/g,"z").replace(/a|q/g,"w"))(e).split("").sort().join("");pi.prototype.assign=function(...e){if(!0!==this.isStackNode)return null!==Ei?Ei.assign(this,...e):o("TSL: No stack defined for assign operation. Make sure the assign is inside a Fn().",new Vs),this;{const t=wi.get("assign");return this.addToStack(t(...e))}},pi.prototype.toVarIntent=function(){return this},pi.prototype.get=function(e){return new Ri(this,e)};const Mi={};function Bi(e,t,r){Mi[e]=Mi[t]=Mi[r]={get(){this._cache=this._cache||{};let t=this._cache[e];return void 0===t&&(t=new xi(this,e),this._cache[e]=t),t},set(t){this[e].assign(sn(t))}};const s=e.toUpperCase(),i=t.toUpperCase(),n=r.toUpperCase();pi.prototype["set"+s]=pi.prototype["set"+i]=pi.prototype["set"+n]=function(t){const r=Ci(e);return new Ti(this,r,sn(t))},pi.prototype["flip"+s]=pi.prototype["flip"+i]=pi.prototype["flip"+n]=function(){const t=Ci(e);return new _i(this,t)}}const Li=["x","y","z","w"],Fi=["r","g","b","a"],Pi=["s","t","p","q"];for(let e=0;e<4;e++){let t=Li[e],r=Fi[e],s=Pi[e];Bi(t,r,s);for(let i=0;i<4;i++){t=Li[e]+Li[i],r=Fi[e]+Fi[i],s=Pi[e]+Pi[i],Bi(t,r,s);for(let n=0;n<4;n++){t=Li[e]+Li[i]+Li[n],r=Fi[e]+Fi[i]+Fi[n],s=Pi[e]+Pi[i]+Pi[n],Bi(t,r,s);for(let a=0;a<4;a++)t=Li[e]+Li[i]+Li[n]+Li[a],r=Fi[e]+Fi[i]+Fi[n]+Fi[a],s=Pi[e]+Pi[i]+Pi[n]+Pi[a],Bi(t,r,s)}}}for(let e=0;e<32;e++)Mi[e]={get(){this._cache=this._cache||{};let t=this._cache[e];return void 0===t&&(t=new gi(this,new Si(e,"uint")),this._cache[e]=t),t},set(t){this[e].assign(sn(t))}};Object.defineProperties(pi.prototype,Mi);const Ui=function(e,t=null){for(const r in e)e[r]=sn(e[r],t);return e},Di=function(e,t=null){const r=e.length;for(let s=0;s<r;s++)e[s]=sn(e[s],t);return e},Oi=function(e,t=null,r=null,s=null){function i(e){return null!==s?(e=sn(Object.assign(e,s)),!0===s.intent&&(e=e.toVarIntent())):e=sn(e),e}let n,a,u,l=t;function d(t){let r;return r=l?/[a-z]/i.test(l)?l+"()":l:e.type,void 0!==a&&t.length<a?(o(`TSL: "${r}" parameter length is less than minimum required.`,new Vs),t.concat(new Array(a-t.length).fill(0))):void 0!==u&&t.length>u?(o(`TSL: "${r}" parameter length exceeds limit.`,new Vs),t.slice(0,u)):t}return null===t?n=(...t)=>i(new e(...on(d(t)))):null!==r?(r=sn(r),n=(...s)=>i(new e(t,...on(d(s)),r))):n=(...r)=>i(new e(t,...on(d(r)))),n.setParameterLength=(...e)=>(1===e.length?a=u=e[0]:2===e.length&&([a,u]=e),n),n.setName=e=>(l=e,n),n},Ii=function(e,...t){return new e(...on(t))};class Vi extends pi{constructor(e,t){super(),this.shaderNode=e,this.rawInputs=t,this.isShaderCallNodeInternal=!0}generateNodeType(e){return this.shaderNode.nodeType||this.getOutputNode(e).getNodeType(e)}getElementType(e){return this.getOutputNode(e).getElementType(e)}getMemberType(e,t){return this.getOutputNode(e).getMemberType(e,t)}call(e){const{shaderNode:t,rawInputs:r}=this,s=e.getNodeProperties(t),i=e.getClosestSubBuild(t.subBuilds)||"",n=i||"default";if(s[n])return s[n];const a=e.subBuildFn,o=e.fnCall;e.subBuildFn=i,e.fnCall=this;let u=null;if(t.layout){if(r){const s=t.layout.inputs;if(ki(r)){const t=r;for(let r=0;r<s.length;r++){const s=t[r];s&&s.isNode&&s.build(e)}}else{const t=r[0];for(const r of s){const s=t[r.name];s&&s.isNode&&s.build(e)}}}const s=e.buildFunctionNode(t);e.addInclude(s);const i=r?function(e){let t;an(e),t=ki(e)?[...e]:e[0];return t}(r):null;u=s.call(i)}else{const s=new Proxy(e,{get:(e,t,r)=>{let s;return s=Symbol.iterator===t?function*(){yield}:Reflect.get(e,t,r),s}}),i=r?function(e){let t=0;return an(e),new Proxy(e,{get:(r,s,i)=>{let n;if("length"===s)return n=e.length,n;if(Symbol.iterator===s)n=function*(){for(const t of e)yield sn(t)};else{if(e.length>0)if(Object.getPrototypeOf(e[0])===Object.prototype){const r=e[0];n=void 0===r[s]?r[t++]:Reflect.get(r,s,i)}else e[0]instanceof pi&&(n=void 0===e[s]?e[t++]:Reflect.get(e,s,i));else n=Reflect.get(r,s,i);n=sn(n)}return n}})}(r):null,n=Array.isArray(r)?r.length>0:null!==r,a=t.jsFunc,o=n||a.length>1?a(i,s):a(s);u=sn(o)}return e.subBuildFn=a,e.fnCall=o,t.once&&(s[n]=u),u}setupOutput(e){return e.addStack(),e.stack.outputNode=this.call(e),e.removeStack()}getOutputNode(e){const t=e.getNodeProperties(this),r=e.getSubBuildOutput(this);return t[r]=t[r]||this.setupOutput(e),t[r].subBuild=e.getClosestSubBuild(this),t[r]}build(e,t=null){let r=null;const s=e.getBuildStage(),i=e.getNodeProperties(this),n=e.getSubBuildOutput(this),a=this.getOutputNode(e),o=e.fnCall;if(e.fnCall=this,"setup"===s){const t=e.getSubBuildProperty("initialized",this);if(!0!==i[t]&&(i[t]=!0,i[n]=this.getOutputNode(e),i[n].build(e),this.shaderNode.subBuilds))for(const t of e.chaining){const r=e.getDataFromNode(t,"any");r.subBuilds=r.subBuilds||new Set;for(const e of this.shaderNode.subBuilds)r.subBuilds.add(e)}r=i[n]}else"analyze"===s?a.build(e,t):"generate"===s&&(r=a.build(e,t)||"");return e.fnCall=o,r}}function ki(e){return e[0]&&(e[0].isNode||Object.getPrototypeOf(e[0])!==Object.prototype)}class Gi extends pi{constructor(e,t){super(t),this.jsFunc=e,this.layout=null,this.global=!0,this.once=!1}setLayout(e){return this.layout=e,this}getLayout(){return this.layout}call(e=null){return new Vi(this,e)}setup(){return this.call()}}const $i=[!1,!0],zi=[0,1,2,3],Wi=[-1,-2],Hi=[.5,1.5,1/3,1e-6,1e6,Math.PI,2*Math.PI,1/Math.PI,2/Math.PI,1/(2*Math.PI),Math.PI/2],ji=new Map;for(const e of $i)ji.set(e,new Si(e));const qi=new Map;for(const e of zi)qi.set(e,new Si(e,"uint"));const Xi=new Map([...qi].map(e=>new Si(e.value,"int")));for(const e of Wi)Xi.set(e,new Si(e,"int"));const Yi=new Map([...Xi].map(e=>new Si(e.value)));for(const e of Hi)Yi.set(e,new Si(e));for(const e of Hi)Yi.set(-e,new Si(-e));const Ki={bool:ji,uint:qi,ints:Xi,float:Yi},Qi=new Map([...ji,...Yi]),Zi=(e,t)=>Qi.has(e)?Qi.get(e):!0===e.isNode?e:new Si(e,t),Ji=function(e,t=null){return(...r)=>{for(const t of r)if(void 0===t)return o(`TSL: Invalid parameter for the type "${e}".`,new Vs),new Si(0,e);if((0===r.length||!["bool","float","int","uint"].includes(e)&&r.every(e=>{const t=typeof e;return"object"!==t&&"function"!==t}))&&(r=[Zs(e,...r)]),1===r.length&&null!==t&&t.has(r[0]))return nn(t.get(r[0]));if(1===r.length){const t=Zi(r[0],e);return t.nodeType===e?nn(t):nn(new mi(t,e))}const s=r.map(e=>Zi(e));return nn(new yi(s,e))}};function en(e){return e&&e.isNode&&e.traverse(t=>{t.isConstNode&&(e=t.value)}),Boolean(e)}const tn=e=>null!=e?e.nodeType||e.convertTo||("string"==typeof e?e:null):null;function rn(e,t){return new Gi(e,t)}const sn=(e,t=null)=>function(e,t=null){const r=Qs(e);return"node"===r?e:null===t&&("float"===r||"boolean"===r)||r&&"shader"!==r&&"string"!==r?sn(Zi(e,t)):"shader"===r?e.isFn?e:gn(e):e}(e,t),nn=(e,t=null)=>sn(e,t).toVarIntent(),an=(e,t=null)=>new Ui(e,t),on=(e,t=null)=>new Di(e,t),un=(e,t=null,r=null,s=null)=>new Oi(e,t,r,s),ln=(e,...t)=>new Ii(e,...t),dn=(e,t=null,r=null,s={})=>new Oi(e,t,r,{...s,intent:!0}),cn=(e,t)=>new Proxy(e,{get:(e,r,s)=>Reflect.get(t,r,s),set:(e,r,s)=>Reflect.set(t,r,s)});let hn=0;class pn extends pi{constructor(e,t=null){super();let r=null;null!==t&&("object"==typeof t?r=t.return:("string"==typeof t?r=t:o("TSL: Invalid layout type.",new Vs),t=null)),this.shaderNode=new rn(e,r),null!==t&&this.setLayout(t),this.isFn=!0}setLayout(e){const t=this.shaderNode.nodeType;if("object"!=typeof e.inputs){const r={name:"fn"+hn++,type:t,inputs:[]};for(const t in e)"return"!==t&&r.inputs.push({name:t,type:e[t]});e=r}return this.shaderNode.setLayout(e),this}generateNodeType(e){return this.shaderNode.getNodeType(e)||"float"}call(...e){const t=this.shaderNode.call(e);return"void"===this.shaderNode.nodeType&&t.toStack(),t.toVarIntent()}once(e=null){return this.shaderNode.once=!0,this.shaderNode.subBuilds=e,this}generate(e){const t=this.getNodeType(e);return o('TSL: "Fn()" was declared but not invoked. Try calling it like "Fn()( ...params )".',this.stackTrace),e.generateConst(t)}}function gn(e,t=null){const r=new pn(e,t);return new Proxy(()=>{},{apply:(e,t,s)=>r.call(...s),get:(e,t,s)=>Reflect.get(r,t,s),set:(e,t,s,i)=>Reflect.set(r,t,s,i)})}const mn=e=>{Ei=e},fn=()=>Ei,yn=(...e)=>Ei.If(...e);function bn(e){return Ei&&Ei.addToStack(e),e}Ai("toStack",bn);const xn=new Ji("color"),Tn=new Ji("float",Ki.float),_n=new Ji("int",Ki.ints),vn=new Ji("uint",Ki.uint),Nn=new Ji("bool",Ki.bool),Sn=new Ji("vec2"),Rn=new Ji("ivec2"),En=new Ji("uvec2"),wn=new Ji("bvec2"),An=new Ji("vec3"),Cn=new Ji("ivec3"),Mn=new Ji("uvec3"),Bn=new Ji("bvec3"),Ln=new Ji("vec4"),Fn=new Ji("ivec4"),Pn=new Ji("uvec4"),Un=new Ji("bvec4"),Dn=new Ji("mat2"),On=new Ji("mat3"),In=new Ji("mat4");Ai("toColor",xn),Ai("toFloat",Tn),Ai("toInt",_n),Ai("toUint",vn),Ai("toBool",Nn),Ai("toVec2",Sn),Ai("toIVec2",Rn),Ai("toUVec2",En),Ai("toBVec2",wn),Ai("toVec3",An),Ai("toIVec3",Cn),Ai("toUVec3",Mn),Ai("toBVec3",Bn),Ai("toVec4",Ln),Ai("toIVec4",Fn),Ai("toUVec4",Pn),Ai("toBVec4",Un),Ai("toMat2",Dn),Ai("toMat3",On),Ai("toMat4",In);const Vn=un(gi).setParameterLength(2),kn=(e,t)=>new mi(sn(e),t);Ai("element",Vn),Ai("convert",kn);Ai("append",e=>(d("TSL: .append() has been renamed to .toStack().",new Vs),bn(e)));class Gn extends pi{static get type(){return"PropertyNode"}constructor(e,t=null,r=!1,s=null){super(e),this.name=t,this.varying=r,this.placeholderNode=sn(s),this.isPropertyNode=!0,this.global=!0}getNodeType(e){const t=super.getNodeType(e);return"output"===t?e.getOutputType():t}customCacheKey(){return Gs(this.type+":"+(this.name||"")+":"+(this.varying?"1":"0"))}getHash(e){return this.name||super.getHash(e)}generate(e){let t;if(!0===this.varying)t=e.getVaryingFromNode(this,this.name),t.needsInterpolation=!0;else if(t=e.getVarFromNode(this,this.name),null!==this.placeholderNode&&!1===e.hasWriteUsage(this)){const r=this.placeholderNode.build(e,this.getNodeType(e));e.addLineFlowCode(`${e.getPropertyName(t)} = ${r}`,this)}return e.getPropertyName(t)}}const $n=(e,t,r=null)=>new Gn(e,t,!1,r),zn=(e,t,r=null)=>new Gn(e,t,!0,r),Wn=ln(Gn,"vec4","DiffuseColor"),Hn=ln(Gn,"vec3","DiffuseContribution"),jn=ln(Gn,"vec3","EmissiveColor"),qn=ln(Gn,"float","Roughness"),Xn=ln(Gn,"float","Metalness"),Yn=ln(Gn,"float","Clearcoat"),Kn=ln(Gn,"float","ClearcoatRoughness"),Qn=ln(Gn,"vec3","Sheen"),Zn=ln(Gn,"float","SheenRoughness"),Jn=ln(Gn,"float","Iridescence"),ea=ln(Gn,"float","IridescenceIOR"),ta=ln(Gn,"float","IridescenceThickness"),ra=ln(Gn,"float","AlphaT"),sa=ln(Gn,"float","Anisotropy"),ia=ln(Gn,"vec3","AnisotropyT"),na=ln(Gn,"vec3","AnisotropyB"),aa=ln(Gn,"color","SpecularColor"),oa=ln(Gn,"color","SpecularColorBlended"),ua=ln(Gn,"float","SpecularF90"),la=ln(Gn,"float","Shininess"),da=ln(Gn,"output","Output"),ca=ln(Gn,"float","dashSize"),ha=ln(Gn,"float","gapSize"),pa=ln(Gn,"float","pointWidth"),ga=ln(Gn,"float","IOR"),ma=ln(Gn,"float","Transmission"),fa=ln(Gn,"float","Thickness"),ya=ln(Gn,"float","AttenuationDistance"),ba=ln(Gn,"color","AttenuationColor"),xa=ln(Gn,"float","Dispersion"),Ta=ln(Gn,"float","AmbientOcclusion",!1,1);class _a extends pi{static get type(){return"UniformGroupNode"}constructor(e,t=!1,r=1,s=null){super("string"),this.name=e,this.shared=t,this.order=r,this.updateType=s,this.isUniformGroup=!0}update(){this.needsUpdate=!0}serialize(e){super.serialize(e),e.name=this.name,e.version=this.version,e.shared=this.shared}deserialize(e){super.deserialize(e),this.name=e.name,this.version=e.version,this.shared=e.shared}}const va=(e,t=1,r=null)=>new _a(e,!1,t,r),Na=(e,t=0,r=null)=>new _a(e,!0,t,r),Sa=Na("frame",0,ii.FRAME),Ra=Na("render",0,ii.RENDER),Ea=va("object",1,ii.OBJECT);class wa extends vi{static get type(){return"UniformNode"}constructor(e,t=null){super(e,t),this.isUniformNode=!0,this.name="",this.groupNode=Ea}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.',new Vs),this.setName(e)}setGroup(e){return this.groupNode=e,this}getGroup(){return this.groupNode}getUniformHash(e){return this.getHash(e)}onUpdate(e,t){return e=e.bind(this),super.onUpdate(t=>{const r=e(t,this);void 0!==r&&(this.value=r)},t)}getInputType(e){let t=super.getInputType(e);return"bool"===t&&(t="uint"),t}generate(e,t){const r=this.getNodeType(e),s=this.getUniformHash(e);let i=e.getNodeFromHash(s);void 0===i&&(e.setHashNode(this,s),i=this);const n=i.getInputType(e),a=e.getUniformFromNode(i,n,e.shaderStage,this.name||e.context.nodeName),o=e.getPropertyName(a);void 0!==e.context.nodeName&&delete e.context.nodeName;let u=o;if("bool"===r){const t=e.getDataFromNode(this);let s=t.propertyName;if(void 0===s){const i=e.getVarFromNode(this,null,"bool");s=e.getPropertyName(i),t.propertyName=s,u=e.format(o,n,r),e.addLineFlowCode(`${s} = ${u}`,this)}u=s}return e.format(u,r,t)}}const Aa=(e,t)=>{const r=tn(t||e);if(r===e&&(e=Zs(r)),e&&!0===e.isNode){let t=e.value;e.traverse(e=>{!0===e.isConstNode&&(t=e.value)}),e=t}return new wa(e,r)};class Ca extends fi{static get type(){return"ArrayNode"}constructor(e,t,r=null){super(e),this.count=t,this.values=r,this.isArrayNode=!0}getArrayCount(){return this.count}generateNodeType(e){return null===this.nodeType?this.values[0].getNodeType(e):this.nodeType}getElementType(e){return this.getNodeType(e)}getMemberType(e,t){return null===this.nodeType?this.values[0].getMemberType(e,t):super.getMemberType(e,t)}generate(e){const t=this.getNodeType(e);return e.generateArray(t,this.count,this.values)}}const Ma=(...e)=>{let t;if(1===e.length){const r=e[0];t=new Ca(null,r.length,r)}else{const r=e[0],s=e[1];t=new Ca(r,s)}return sn(t)};Ai("toArray",(e,t)=>Ma(Array(t).fill(e)));class Ba extends fi{static get type(){return"AssignNode"}constructor(e,t){super(),this.targetNode=e,this.sourceNode=t,this.isAssignNode=!0}hasDependencies(){return!1}generateNodeType(e,t){return"void"!==t?this.targetNode.getNodeType(e):"void"}needsSplitAssign(e){const{targetNode:t}=this;if(!1===e.isAvailable("swizzleAssign")&&t.isSplitNode&&t.components.length>1){const r=e.getTypeLength(t.node.getNodeType(e));return di.join("").slice(0,r)!==t.components}return!1}setup(e){const{targetNode:t,sourceNode:r}=this,s=t.getScope();e.getDataFromNode(s).assign=!0;const i=e.getNodeProperties(this);i.sourceNode=r,i.targetNode=t.context({assign:!0})}generate(e,t){const{targetNode:r,sourceNode:s}=e.getNodeProperties(this),i=this.needsSplitAssign(e),n=r.build(e),a=r.getNodeType(e),o=s.build(e,a),u=s.getNodeType(e),l=e.getDataFromNode(this);let d;if(!0===l.initialized)"void"!==t&&(d=n);else if(i){const s=e.getVarFromNode(this,null,a),i=e.getPropertyName(s);e.addLineFlowCode(`${i} = ${o}`,this);const u=r.node,l=u.node.context({assign:!0}).build(e);for(let t=0;t<u.components.length;t++){const r=u.components[t];e.addLineFlowCode(`${l}.${r} = ${i}[ ${t} ]`,this)}"void"!==t&&(d=n)}else d=`${n} = ${o}`,"void"!==t&&"void"!==u||(e.addLineFlowCode(d,this),"void"!==t&&(d=n));return l.initialized=!0,e.format(d,a,t)}}const La=un(Ba).setParameterLength(2);Ai("assign",La);class Fa extends fi{static get type(){return"FunctionCallNode"}constructor(e=null,t={}){super(),this.functionNode=e,this.parameters=t}setParameters(e){return this.parameters=e,this}getParameters(){return this.parameters}generateNodeType(e){return this.functionNode.getNodeType(e)}getMemberType(e,t){return this.functionNode.getMemberType(e,t)}generate(e){const t=[],r=this.functionNode,s=r.getInputs(e),i=this.parameters,n=(t,r)=>{const s=r.type;let i;return i="pointer"===s?"&"+t.build(e):t.build(e,s),i};if(Array.isArray(i)){if(i.length>s.length)o("TSL: The number of provided parameters exceeds the expected number of inputs in 'Fn()'."),i.length=s.length;else if(i.length<s.length)for(o("TSL: The number of provided parameters is less than the expected number of inputs in 'Fn()'.");i.length<s.length;)i.push(Tn(0));for(let e=0;e<i.length;e++)t.push(n(i[e],s[e]))}else for(const e of s){const r=i[e.name];void 0!==r?t.push(n(r,e)):(o(`TSL: Input '${e.name}' not found in 'Fn()'.`),t.push(n(Tn(0),e)))}return`${r.build(e,"property")}( ${t.join(", ")} )`}}const Pa=(e,...t)=>(t=t.length>1||t[0]&&!0===t[0].isNode?on(t):an(t[0]),new Fa(sn(e),t));Ai("call",Pa);const Ua={"==":"equal","!=":"notEqual","<":"lessThan",">":"greaterThan","<=":"lessThanEqual",">=":"greaterThanEqual","%":"mod"};class Da extends fi{static get type(){return"OperatorNode"}constructor(e,t,r,...s){if(super(),s.length>0){let i=new Da(e,t,r);for(let t=0;t<s.length-1;t++)i=new Da(e,i,s[t]);t=i,r=s[s.length-1]}this.op=e,this.aNode=t,this.bNode=r,this.isOperatorNode=!0}getOperatorMethod(e,t){return e.getMethod(Ua[this.op],t)}generateNodeType(e,t=null){const r=this.op,s=this.aNode,i=this.bNode,n=s.getNodeType(e),a=i?i.getNodeType(e):null;if("void"===n||"void"===a)return t||"void";if("%"===r)return n;if("~"===r||"&"===r||"|"===r||"^"===r||">>"===r||"<<"===r)return e.getIntegerType(n);if("&&"===r||"||"===r||"^^"===r)return"bool";if("!"===r){const t=e.getTypeLength(n);return t>1?`bvec${t}`:"bool"}if("=="===r||"!="===r||"<"===r||">"===r||"<="===r||">="===r){const t=Math.max(e.getTypeLength(n),e.getTypeLength(a));return t>1?`bvec${t}`:"bool"}if(e.isMatrix(n)){if("float"===a)return n;if(e.isVector(a))return e.getVectorFromMatrix(n);if(e.isMatrix(a))return n}else if(e.isMatrix(a)){if("float"===n)return a;if(e.isVector(n))return e.getVectorFromMatrix(a)}return e.getTypeLength(a)>e.getTypeLength(n)?a:n}generate(e,t){const r=this.op,{aNode:s,bNode:i}=this,n=this.getNodeType(e,t);let a=null,o=null;"void"!==n?(a=s.getNodeType(e),o=i?i.getNodeType(e):null,"<"===r||">"===r||"<="===r||">="===r||"=="===r||"!="===r?e.isVector(a)?o=a:e.isVector(o)?a=o:a!==o&&(a=o="float"):">>"===r||"<<"===r?(a=n,o=e.changeComponentType(o,"uint")):"%"===r?(a=n,o=e.isInteger(a)&&e.isInteger(o)?o:a):e.isMatrix(a)?"float"===o?o="float":e.isVector(o)?o=e.getVectorFromMatrix(a):e.isMatrix(o)||(a=o=n):a=e.isMatrix(o)?"float"===a?"float":e.isVector(a)?e.getVectorFromMatrix(o):o=n:o=n):a=o=n;const u=s.build(e,a),l=i?i.build(e,o):null,d=e.getFunctionOperator(r);if("void"!==t){const s=e.renderer.coordinateSystem===c;if("=="===r||"!="===r||"<"===r||">"===r||"<="===r||">="===r)return s&&e.isVector(a)?e.format(`${this.getOperatorMethod(e,t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} ${r} ${l} )`,n,t);if("%"===r)return e.isInteger(o)?e.format(`( ${u} % ${l} )`,n,t):e.format(`${this.getOperatorMethod(e,n)}( ${u}, ${l} )`,n,t);if("!"===r)return s&&e.isVector(a)?e.format(`not( ${u} )`,t):e.format(`( ${r} ${u} )`,a,t);if("~"===r)return e.format(`( ${r} ${u} )`,a,t);if(d)return e.format(`${d}( ${u}, ${l} )`,n,t);if(e.isMatrix(a)&&"float"===o)return e.format(`( ${l} ${r} ${u} )`,n,t);if("float"===a&&e.isMatrix(o))return e.format(`${u} ${r} ${l}`,n,t);{let i=`( ${u} ${r} ${l} )`;return!s&&"bool"===n&&e.isVector(a)&&e.isVector(o)&&(i=`all${i}`),e.format(i,n,t)}}if("void"!==a)return d?e.format(`${d}( ${u}, ${l} )`,n,t):e.isMatrix(a)&&"float"===o?e.format(`${l} ${r} ${u}`,n,t):e.format(`${u} ${r} ${l}`,n,t)}serialize(e){super.serialize(e),e.op=this.op}deserialize(e){super.deserialize(e),this.op=e.op}}const Oa=dn(Da,"+").setParameterLength(2,1/0).setName("add"),Ia=dn(Da,"-").setParameterLength(2,1/0).setName("sub"),Va=dn(Da,"*").setParameterLength(2,1/0).setName("mul"),ka=dn(Da,"/").setParameterLength(2,1/0).setName("div"),Ga=dn(Da,"%").setParameterLength(2).setName("mod"),$a=dn(Da,"==").setParameterLength(2).setName("equal"),za=dn(Da,"!=").setParameterLength(2).setName("notEqual"),Wa=dn(Da,"<").setParameterLength(2).setName("lessThan"),Ha=dn(Da,">").setParameterLength(2).setName("greaterThan"),ja=dn(Da,"<=").setParameterLength(2).setName("lessThanEqual"),qa=dn(Da,">=").setParameterLength(2).setName("greaterThanEqual"),Xa=dn(Da,"&&").setParameterLength(2,1/0).setName("and"),Ya=dn(Da,"||").setParameterLength(2,1/0).setName("or"),Ka=dn(Da,"!").setParameterLength(1).setName("not"),Qa=dn(Da,"^^").setParameterLength(2).setName("xor"),Za=dn(Da,"&").setParameterLength(2).setName("bitAnd"),Ja=dn(Da,"~").setParameterLength(1).setName("bitNot"),eo=dn(Da,"|").setParameterLength(2).setName("bitOr"),to=dn(Da,"^").setParameterLength(2).setName("bitXor"),ro=dn(Da,"<<").setParameterLength(2).setName("shiftLeft"),so=dn(Da,">>").setParameterLength(2).setName("shiftRight"),io=gn(([e])=>(e.addAssign(1),e)),no=gn(([e])=>(e.subAssign(1),e)),ao=gn(([e])=>{const t=_n(e).toConst();return e.addAssign(1),t}),oo=gn(([e])=>{const t=_n(e).toConst();return e.subAssign(1),t});Ai("add",Oa),Ai("sub",Ia),Ai("mul",Va),Ai("div",ka),Ai("mod",Ga),Ai("equal",$a),Ai("notEqual",za),Ai("lessThan",Wa),Ai("greaterThan",Ha),Ai("lessThanEqual",ja),Ai("greaterThanEqual",qa),Ai("and",Xa),Ai("or",Ya),Ai("not",Ka),Ai("xor",Qa),Ai("bitAnd",Za),Ai("bitNot",Ja),Ai("bitOr",eo),Ai("bitXor",to),Ai("shiftLeft",ro),Ai("shiftRight",so),Ai("incrementBefore",io),Ai("decrementBefore",no),Ai("increment",ao),Ai("decrement",oo);class uo extends fi{static get type(){return"MathNode"}constructor(e,t,r=null,s=null){if(super(),(e===uo.MAX||e===uo.MIN)&&arguments.length>3){let i=new uo(e,t,r);for(let t=3;t<arguments.length-1;t++)i=new uo(e,i,arguments[t]);t=i,r=arguments[arguments.length-1],s=null}this.method=e,this.aNode=t,this.bNode=r,this.cNode=s,this.isMathNode=!0}getInputType(e){const t=this.aNode.getNodeType(e),r=this.bNode?this.bNode.getNodeType(e):null,s=this.cNode?this.cNode.getNodeType(e):null,i=e.isMatrix(t)?0:e.getTypeLength(t),n=e.isMatrix(r)?0:e.getTypeLength(r),a=e.isMatrix(s)?0:e.getTypeLength(s);return i>n&&i>a?t:n>a?r:a>i?s:t}generateNodeType(e){const t=this.method;return t===uo.LENGTH||t===uo.DISTANCE||t===uo.DOT?"float":t===uo.CROSS?"vec3":t===uo.ALL||t===uo.ANY?"bool":t===uo.EQUALS?e.changeComponentType(this.aNode.getNodeType(e),"bool"):this.getInputType(e)}setup(e){const{aNode:t,bNode:r,method:s}=this;let i=null;if(s===uo.ONE_MINUS)i=Ia(1,t);else if(s===uo.RECIPROCAL)i=ka(1,t);else if(s===uo.DIFFERENCE)i=$o(Ia(t,r));else if(s===uo.TRANSFORM_DIRECTION){let s=t,n=r;e.isMatrix(s.getNodeType(e))?n=Ln(An(n),0):s=Ln(An(s),0);const a=Va(s,n).xyz;i=Ao(a)}return null!==i?i:super.setup(e)}generate(e,t){if(e.getNodeProperties(this).outputNode)return super.generate(e,t);let r=this.method;const s=this.getNodeType(e),i=this.getInputType(e),n=this.aNode,a=this.bNode,o=this.cNode,u=e.renderer.coordinateSystem;if(r===uo.NEGATE)return e.format("( - "+n.build(e,i)+" )",s,t);{const l=[];return r===uo.CROSS?l.push(n.build(e,s),a.build(e,s)):u===c&&r===uo.STEP?l.push(n.build(e,1===e.getTypeLength(n.getNodeType(e))?"float":i),a.build(e,i)):u!==c||r!==uo.MIN&&r!==uo.MAX?r===uo.REFRACT?l.push(n.build(e,i),a.build(e,i),o.build(e,"float")):r===uo.MIX?l.push(n.build(e,i),a.build(e,i),o.build(e,1===e.getTypeLength(o.getNodeType(e))?"float":i)):(u===h&&r===uo.ATAN&&null!==a&&(r="atan2"),"fragment"===e.shaderStage||r!==uo.DFDX&&r!==uo.DFDY||(d(`TSL: '${r}' is not supported in the ${e.shaderStage} stage.`,this.stackTrace),r="/*"+r+"*/"),l.push(n.build(e,i)),null!==a&&l.push(a.build(e,i)),null!==o&&l.push(o.build(e,i))):l.push(n.build(e,i),a.build(e,1===e.getTypeLength(a.getNodeType(e))?"float":i)),e.format(`${e.getMethod(r,s)}( ${l.join(", ")} )`,s,t)}}serialize(e){super.serialize(e),e.method=this.method}deserialize(e){super.deserialize(e),this.method=e.method}}uo.ALL="all",uo.ANY="any",uo.RADIANS="radians",uo.DEGREES="degrees",uo.EXP="exp",uo.EXP2="exp2",uo.LOG="log",uo.LOG2="log2",uo.SQRT="sqrt",uo.INVERSE_SQRT="inversesqrt",uo.FLOOR="floor",uo.CEIL="ceil",uo.NORMALIZE="normalize",uo.FRACT="fract",uo.SIN="sin",uo.SINH="sinh",uo.COS="cos",uo.COSH="cosh",uo.TAN="tan",uo.TANH="tanh",uo.ASIN="asin",uo.ASINH="asinh",uo.ACOS="acos",uo.ACOSH="acosh",uo.ATAN="atan",uo.ATANH="atanh",uo.ABS="abs",uo.SIGN="sign",uo.LENGTH="length",uo.NEGATE="negate",uo.ONE_MINUS="oneMinus",uo.DFDX="dFdx",uo.DFDY="dFdy",uo.ROUND="round",uo.RECIPROCAL="reciprocal",uo.TRUNC="trunc",uo.FWIDTH="fwidth",uo.TRANSPOSE="transpose",uo.DETERMINANT="determinant",uo.INVERSE="inverse",uo.EQUALS="equals",uo.MIN="min",uo.MAX="max",uo.STEP="step",uo.REFLECT="reflect",uo.DISTANCE="distance",uo.DIFFERENCE="difference",uo.DOT="dot",uo.CROSS="cross",uo.POW="pow",uo.TRANSFORM_DIRECTION="transformDirection",uo.MIX="mix",uo.CLAMP="clamp",uo.REFRACT="refract",uo.SMOOTHSTEP="smoothstep",uo.FACEFORWARD="faceforward";const lo=Tn(1e-6),co=Tn(1e6),ho=Tn(Math.PI),po=Tn(2*Math.PI),go=Tn(2*Math.PI),mo=Tn(.5*Math.PI),fo=dn(uo,uo.ALL).setParameterLength(1),yo=dn(uo,uo.ANY).setParameterLength(1),bo=dn(uo,uo.RADIANS).setParameterLength(1),xo=dn(uo,uo.DEGREES).setParameterLength(1),To=dn(uo,uo.EXP).setParameterLength(1),_o=dn(uo,uo.EXP2).setParameterLength(1),vo=dn(uo,uo.LOG).setParameterLength(1),No=dn(uo,uo.LOG2).setParameterLength(1),So=dn(uo,uo.SQRT).setParameterLength(1),Ro=dn(uo,uo.INVERSE_SQRT).setParameterLength(1),Eo=dn(uo,uo.FLOOR).setParameterLength(1),wo=dn(uo,uo.CEIL).setParameterLength(1),Ao=dn(uo,uo.NORMALIZE).setParameterLength(1),Co=dn(uo,uo.FRACT).setParameterLength(1),Mo=dn(uo,uo.SIN).setParameterLength(1),Bo=dn(uo,uo.SINH).setParameterLength(1),Lo=dn(uo,uo.COS).setParameterLength(1),Fo=dn(uo,uo.COSH).setParameterLength(1),Po=dn(uo,uo.TAN).setParameterLength(1),Uo=dn(uo,uo.TANH).setParameterLength(1),Do=dn(uo,uo.ASIN).setParameterLength(1),Oo=dn(uo,uo.ASINH).setParameterLength(1),Io=dn(uo,uo.ACOS).setParameterLength(1),Vo=dn(uo,uo.ACOSH).setParameterLength(1),ko=dn(uo,uo.ATAN).setParameterLength(1,2),Go=dn(uo,uo.ATANH).setParameterLength(1),$o=dn(uo,uo.ABS).setParameterLength(1),zo=dn(uo,uo.SIGN).setParameterLength(1),Wo=dn(uo,uo.LENGTH).setParameterLength(1),Ho=dn(uo,uo.NEGATE).setParameterLength(1),jo=dn(uo,uo.ONE_MINUS).setParameterLength(1),qo=dn(uo,uo.DFDX).setParameterLength(1),Xo=dn(uo,uo.DFDY).setParameterLength(1),Yo=dn(uo,uo.ROUND).setParameterLength(1),Ko=dn(uo,uo.RECIPROCAL).setParameterLength(1),Qo=dn(uo,uo.TRUNC).setParameterLength(1),Zo=dn(uo,uo.FWIDTH).setParameterLength(1),Jo=dn(uo,uo.TRANSPOSE).setParameterLength(1),eu=dn(uo,uo.DETERMINANT).setParameterLength(1),tu=dn(uo,uo.INVERSE).setParameterLength(1),ru=dn(uo,uo.MIN).setParameterLength(2,1/0),su=dn(uo,uo.MAX).setParameterLength(2,1/0),iu=dn(uo,uo.STEP).setParameterLength(2),nu=dn(uo,uo.REFLECT).setParameterLength(2),au=dn(uo,uo.DISTANCE).setParameterLength(2),ou=dn(uo,uo.DIFFERENCE).setParameterLength(2),uu=dn(uo,uo.DOT).setParameterLength(2),lu=dn(uo,uo.CROSS).setParameterLength(2),du=dn(uo,uo.POW).setParameterLength(2),cu=e=>Va(e,e),hu=e=>Va(e,e,e),pu=e=>Va(e,e,e,e),gu=dn(uo,uo.TRANSFORM_DIRECTION).setParameterLength(2),mu=e=>Va(zo(e),du($o(e),1/3)),fu=e=>uu(e,e),yu=dn(uo,uo.MIX).setParameterLength(3),bu=(e,t=0,r=1)=>new uo(uo.CLAMP,sn(e),sn(t),sn(r)),xu=e=>bu(e),Tu=dn(uo,uo.REFRACT).setParameterLength(3),_u=dn(uo,uo.SMOOTHSTEP).setParameterLength(3),vu=dn(uo,uo.FACEFORWARD).setParameterLength(3),Nu=gn(([e])=>{const t=uu(e.xy,Sn(12.9898,78.233)),r=Ga(t,ho);return Co(Mo(r).mul(43758.5453))}),Su=(e,t,r)=>yu(t,r,e),Ru=(e,t,r)=>_u(t,r,e),Eu=(e,t)=>iu(t,e),wu=vu,Au=Ro;Ai("all",fo),Ai("any",yo),Ai("radians",bo),Ai("degrees",xo),Ai("exp",To),Ai("exp2",_o),Ai("log",vo),Ai("log2",No),Ai("sqrt",So),Ai("inverseSqrt",Ro),Ai("floor",Eo),Ai("ceil",wo),Ai("normalize",Ao),Ai("fract",Co),Ai("sin",Mo),Ai("sinh",Bo),Ai("cos",Lo),Ai("cosh",Fo),Ai("tan",Po),Ai("tanh",Uo),Ai("asin",Do),Ai("asinh",Oo),Ai("acos",Io),Ai("acosh",Vo),Ai("atan",ko),Ai("atanh",Go),Ai("abs",$o),Ai("sign",zo),Ai("length",Wo),Ai("lengthSq",fu),Ai("negate",Ho),Ai("oneMinus",jo),Ai("dFdx",qo),Ai("dFdy",Xo),Ai("round",Yo),Ai("reciprocal",Ko),Ai("trunc",Qo),Ai("fwidth",Zo),Ai("min",ru),Ai("max",su),Ai("step",Eu),Ai("reflect",nu),Ai("distance",au),Ai("dot",uu),Ai("cross",lu),Ai("pow",du),Ai("pow2",cu),Ai("pow3",hu),Ai("pow4",pu),Ai("transformDirection",gu),Ai("mix",Su),Ai("clamp",bu),Ai("refract",Tu),Ai("smoothstep",Ru),Ai("faceForward",vu),Ai("difference",ou),Ai("saturate",xu),Ai("cbrt",mu),Ai("transpose",Jo),Ai("determinant",eu),Ai("inverse",tu),Ai("rand",Nu);class Cu extends pi{static get type(){return"ConditionalNode"}constructor(e,t,r=null){super(),this.condNode=e,this.ifNode=t,this.elseNode=r}generateNodeType(e){const{ifNode:t,elseNode:r}=e.getNodeProperties(this);if(void 0===t)return e.flowBuildStage(this,"setup"),this.getNodeType(e);const s=t.getNodeType(e);if(null!==r){const t=r.getNodeType(e);if(e.getTypeLength(t)>e.getTypeLength(s))return t}return s}setup(e){const t=this.condNode,r=this.ifNode.isolate(),s=this.elseNode?this.elseNode.isolate():null,i=e.context.nodeBlock;e.getDataFromNode(r).parentNodeBlock=i,null!==s&&(e.getDataFromNode(s).parentNodeBlock=i);const n=e.context.uniformFlow,a=e.getNodeProperties(this);a.condNode=t,a.ifNode=n?r:r.context({nodeBlock:r}),a.elseNode=s?n?s:s.context({nodeBlock:s}):null}generate(e,t){const r=this.getNodeType(e),s=e.getDataFromNode(this);if(void 0!==s.nodeProperty)return s.nodeProperty;const{condNode:i,ifNode:n,elseNode:a}=e.getNodeProperties(this),o=e.currentFunctionNode,u="void"!==t,l=u?$n(r).build(e):"";s.nodeProperty=l;const c=i.build(e,"bool");if(e.context.uniformFlow&&null!==a){const s=n.build(e,r),i=a.build(e,r),o=e.getTernary(c,s,i);return e.format(o,r,t)}e.addFlowCode(`\n${e.tab}if ( ${c} ) {\n\n`).addFlowTab();let h=n.build(e,r);if(h&&(u?h=l+" = "+h+";":(h="return "+h+";",null===o&&(d("TSL: Return statement used in an inline 'Fn()'. Define a layout struct to allow return values.",this.stackTrace),h="// "+h))),e.removeFlowTab().addFlowCode(e.tab+"\t"+h+"\n\n"+e.tab+"}"),null!==a){e.addFlowCode(" else {\n\n").addFlowTab();let t=a.build(e,r);t&&(u?t=l+" = "+t+";":(t="return "+t+";",null===o&&(d("TSL: Return statement used in an inline 'Fn()'. Define a layout struct to allow return values.",this.stackTrace),t="// "+t))),e.removeFlowTab().addFlowCode(e.tab+"\t"+t+"\n\n"+e.tab+"}\n\n")}else e.addFlowCode("\n\n");return e.format(l,r,t)}}const Mu=un(Cu).setParameterLength(2,3);Ai("select",Mu);class Bu extends pi{static get type(){return"ContextNode"}constructor(e=null,t={}){super(),this.isContextNode=!0,this.node=e,this.value=t}getScope(){return this.node.getScope()}generateNodeType(e){return this.node.getNodeType(e)}getFlowContextData(){const e=[];return this.traverse(t=>{!0===t.isContextNode&&e.push(t.value)}),Object.assign({},...e)}getMemberType(e,t){return this.node.getMemberType(e,t)}analyze(e){const t=e.addContext(this.value);this.node.build(e),e.setContext(t)}setup(e){const t=e.addContext(this.value);this.node.build(e),e.setContext(t)}generate(e,t){const r=e.addContext(this.value),s=this.node.build(e,t);return e.setContext(r),s}}const Lu=(e=null,t={})=>{let r=e;return null!==r&&!0===r.isNode||(t=r||t,r=null),new Bu(r,t)},Fu=e=>Lu(e,{uniformFlow:!0}),Pu=(e,t)=>Lu(e,{nodeName:t});function Uu(e,t,r=null){return Lu(r,{getShadow:({light:r,shadowColorNode:s})=>t===r?s.mul(e):s})}function Du(e,t=null){return Lu(t,{getAO:(t,{material:r})=>!0===r.transparent?t:null!==t?t.mul(e):e})}function Ou(e,t){return d('TSL: "label()" has been deprecated. Use "setName()" instead.'),Pu(e,t)}Ai("context",Lu),Ai("label",Ou),Ai("uniformFlow",Fu),Ai("setName",Pu),Ai("builtinShadowContext",(e,t,r)=>Uu(t,r,e)),Ai("builtinAOContext",(e,t)=>Du(t,e));class Iu extends pi{static get type(){return"VarNode"}constructor(e,t=null,r=!1){super(),this.node=e,this.name=t,this.global=!0,this.isVarNode=!0,this.readOnly=r,this.parents=!0,this.intent=!1}setIntent(e){return this.intent=e,this}isIntent(e){return!0!==e.getDataFromNode(this).forceDeclaration&&this.intent}getIntent(){return this.intent}getMemberType(e,t){return this.node.getMemberType(e,t)}getElementType(e){return this.node.getElementType(e)}generateNodeType(e){return this.node.getNodeType(e)}getArrayCount(e){return this.node.getArrayCount(e)}isAssign(e){return e.getDataFromNode(this).assign}build(...e){const t=e[0];if(!1===this._hasStack(t)&&"setup"===t.buildStage&&(t.context.nodeLoop||t.context.nodeBlock)){let e=!1;if(this.node.isShaderCallNodeInternal&&null===this.node.shaderNode.getLayout()&&t.fnCall&&t.fnCall.shaderNode){if(t.getDataFromNode(this.node.shaderNode).hasLoop){t.getDataFromNode(this).forceDeclaration=!0,e=!0}}const r=t.getBaseStack();e?r.addToStackBefore(this):r.addToStack(this)}return this.isIntent(t)&&!0!==this.isAssign(t)?this.node.build(...e):super.build(...e)}generate(e){const{node:t,name:r,readOnly:s}=this,{renderer:i}=e,n=!0===i.backend.isWebGPUBackend;let a=!1,u=!1;s&&(a=e.isDeterministic(t),u=n?s:a);const l=this.getNodeType(e);if("void"==l){!0!==this.isIntent(e)&&o('TSL: ".toVar()" can not be used with void type.',this.stackTrace);return t.build(e)}const d=e.getVectorType(l),c=t.build(e,d),h=e.getVarFromNode(this,r,d,void 0,u),p=e.getPropertyName(h);let g=p;if(u)if(n)g=a?`const ${p}`:`let ${p}`;else{const r=t.getArrayCount(e);g=`const ${e.getVar(h.type,p,r)}`}return e.addLineFlowCode(`${g} = ${c}`,this),p}_hasStack(e){return void 0!==e.getDataFromNode(this).stack}}const Vu=un(Iu),ku=(e,t=null)=>Vu(e,t).toStack(),Gu=(e,t=null)=>Vu(e,t,!0).toStack(),$u=e=>Vu(e).setIntent(!0).toStack();Ai("toVar",ku),Ai("toConst",Gu),Ai("toVarIntent",$u);class zu extends pi{static get type(){return"SubBuild"}constructor(e,t,r=null){super(r),this.node=e,this.name=t,this.isSubBuildNode=!0}generateNodeType(e){if(null!==this.nodeType)return this.nodeType;e.addSubBuild(this.name);const t=this.node.getNodeType(e);return e.removeSubBuild(),t}build(e,...t){e.addSubBuild(this.name);const r=this.node.build(e,...t);return e.removeSubBuild(),r}}const Wu=(e,t,r=null)=>new zu(sn(e),t,r);class Hu extends pi{static get type(){return"VaryingNode"}constructor(e,t=null){super(),this.node=Wu(e,"VERTEX"),this.name=t,this.isVaryingNode=!0,this.interpolationType=null,this.interpolationSampling=null,this.global=!0}setInterpolation(e,t=null){return this.interpolationType=e,this.interpolationSampling=t,this}getHash(e){return this.name||super.getHash(e)}generateNodeType(e){return this.node.getNodeType(e)}setupVarying(e){const t=e.getNodeProperties(this);let r=t.varying;if(void 0===r){const s=this.name,i=this.getNodeType(e),n=this.interpolationType,a=this.interpolationSampling;t.varying=r=e.getVaryingFromNode(this,s,i,n,a),t.node=Wu(this.node,"VERTEX")}return r.needsInterpolation||(r.needsInterpolation="fragment"===e.shaderStage),r}setup(e){this.setupVarying(e),e.flowNodeFromShaderStage(si.VERTEX,this.node)}analyze(e){this.setupVarying(e),e.flowNodeFromShaderStage(si.VERTEX,this.node)}generate(e){const t=e.getSubBuildProperty("property",e.currentStack),r=e.getNodeProperties(this),s=this.setupVarying(e);if(void 0===r[t]){const i=this.getNodeType(e),n=e.getPropertyName(s,si.VERTEX);if(e.shaderStage===si.VERTEX){const t=r.node.build(e,i);e.addLineFlowCode(`${n} = ${t}`,this)}else e.flowNodeFromShaderStage(si.VERTEX,r.node,i,n);r[t]=n}return e.getPropertyName(s)}}const ju=un(Hu).setParameterLength(1,2),qu=e=>ju(e);Ai("toVarying",ju),Ai("toVertexStage",qu);const Xu=gn(([e])=>{const t=e.mul(.9478672986).add(.0521327014).pow(2.4),r=e.mul(.0773993808),s=e.lessThanEqual(.04045);return yu(t,r,s)}).setLayout({name:"sRGBTransferEOTF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),Yu=gn(([e])=>{const t=e.pow(.41666).mul(1.055).sub(.055),r=e.mul(12.92),s=e.lessThanEqual(.0031308);return yu(t,r,s)}).setLayout({name:"sRGBTransferOETF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),Ku="WorkingColorSpace";class Qu extends fi{static get type(){return"ColorSpaceNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this.source=t,this.target=r}resolveColorSpace(e,t){return t===Ku?p.workingColorSpace:"OutputColorSpace"===t?e.context.outputColorSpace||e.renderer.outputColorSpace:t}setup(e){const{colorNode:t}=this,r=this.resolveColorSpace(e,this.source),s=this.resolveColorSpace(e,this.target);let i=t;return!1!==p.enabled&&r!==s&&r&&s?(p.getTransfer(r)===g&&(i=Ln(Xu(i.rgb),i.a)),p.getPrimaries(r)!==p.getPrimaries(s)&&(i=Ln(On(p._getMatrix(new n,r,s)).mul(i.rgb),i.a)),p.getTransfer(s)===g&&(i=Ln(Yu(i.rgb),i.a)),i):i}}const Zu=(e,t)=>new Qu(sn(e),Ku,t),Ju=(e,t)=>new Qu(sn(e),t,Ku);Ai("workingToColorSpace",Zu),Ai("colorSpaceToWorking",Ju);let el=class extends gi{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}generateNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(),s=this.getNodeType();return e.format(t,r,s)}};class tl extends pi{static get type(){return"ReferenceBaseNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.updateType=ii.OBJECT}setGroup(e){return this.group=e,this}element(e){return new el(this,sn(e))}setNodeType(e){const t=Aa(null,e);null!==this.group&&t.setGroup(this.group),this.node=t}generateNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;e<t.length;e++)r=r[t[e]];return r}updateReference(e){return this.reference=null!==this.object?this.object:e.object,this.reference}setup(){return this.updateValue(),this.node}update(){this.updateValue()}updateValue(){null===this.node&&this.setNodeType(this.uniformType);const e=this.getValueFromReference();Array.isArray(e)?this.node.array=e:this.node.value=e}}class rl extends tl{static get type(){return"RendererReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.renderer=r,this.setGroup(Ra)}updateReference(e){return this.reference=null!==this.renderer?this.renderer:e.renderer,this.reference}}const sl=(e,t,r=null)=>new rl(e,t,r);class il extends fi{static get type(){return"ToneMappingNode"}constructor(e,t=al,r=null){super("vec3"),this._toneMapping=e,this.exposureNode=t,this.colorNode=r}customCacheKey(){return zs(this._toneMapping)}setToneMapping(e){return this._toneMapping=e,this}getToneMapping(){return this._toneMapping}setup(e){const t=this.colorNode||e.context.color,r=this._toneMapping;if(r===m)return t;let s=null;const i=e.renderer.library.getToneMappingFunction(r);return null!==i?s=Ln(i(t.rgb,this.exposureNode),t.a):(o("ToneMappingNode: Unsupported Tone Mapping configuration.",r),s=t),s}}const nl=(e,t,r)=>new il(e,sn(t),sn(r)),al=sl("toneMappingExposure","float");Ai("toneMapping",(e,t,r)=>nl(t,r,e));const ol=new WeakMap;function ul(e,t){let r=ol.get(e);return void 0===r&&(r=new b(e,t),ol.set(e,r)),r}class ll extends vi{static get type(){return"BufferAttributeNode"}constructor(e,t=null,r=0,s=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferStride=r,this.bufferOffset=s,this.usage=f,this.instanced=!1,this.attribute=null,this.global=!0,e&&!0===e.isBufferAttribute&&e.itemSize<=4&&(this.attribute=e,this.usage=e.usage,this.instanced=e.isInstancedBufferAttribute)}getHash(e){let t;if(0===this.bufferStride&&0===this.bufferOffset){let r=e.globalCache.getData(this.value);void 0===r&&(r={node:this},e.globalCache.setData(this.value,r)),t=r.node.id}else t=this.id;return String(t)}generateNodeType(e){return null===this.bufferType&&(this.bufferType=e.getTypeFromAttribute(this.attribute)),this.bufferType}setup(e){if(null!==this.attribute)return;const t=this.getNodeType(e),r=e.getTypeLength(t),s=this.value,i=this.bufferStride||r,n=this.bufferOffset;let a;a=!0===s.isInterleavedBuffer?s:!0===s.isBufferAttribute?ul(s.array,i):ul(s,i);const o=new y(a,r,n);a.setUsage(this.usage),this.attribute=o,this.attribute.isInstancedBufferAttribute=this.instanced}generate(e){const t=this.getNodeType(e),r=e.context.nodeName;void 0!==r&&delete e.context.nodeName;const s=e.getBufferAttributeFromNode(this,t,r),i=e.getPropertyName(s);let n=null;if("vertex"===e.shaderStage||"compute"===e.shaderStage)this.name=i,n=i;else{let s;r&&(s=r+"Varying");n=ju(this,s).build(e,t)}return n}getInputType(){return"bufferAttribute"}setUsage(e){return this.usage=e,this.attribute&&!0===this.attribute.isBufferAttribute&&(this.attribute.usage=e),this}setInstanced(e){return this.instanced=e,this}}function dl(e,t=null,r=0,s=0,i=f,n=!1){return"mat3"===t||null===t&&9===e.itemSize?On(new ll(e,"vec3",9,0).setUsage(i).setInstanced(n),new ll(e,"vec3",9,3).setUsage(i).setInstanced(n),new ll(e,"vec3",9,6).setUsage(i).setInstanced(n)):"mat4"===t||null===t&&16===e.itemSize?In(new ll(e,"vec4",16,0).setUsage(i).setInstanced(n),new ll(e,"vec4",16,4).setUsage(i).setInstanced(n),new ll(e,"vec4",16,8).setUsage(i).setInstanced(n),new ll(e,"vec4",16,12).setUsage(i).setInstanced(n)):new ll(e,t,r,s).setUsage(i)}const cl=(e,t=null,r=0,s=0)=>dl(e,t,r,s),hl=(e,t=null,r=0,s=0)=>dl(e,t,r,s,f,!0),pl=(e,t=null,r=0,s=0)=>dl(e,t,r,s,x,!0);Ai("toAttribute",e=>cl(e.value));class gl extends pi{static get type(){return"IndexNode"}constructor(e){super("uint"),this.scope=e,this.isIndexNode=!0}generate(e){const t=this.getNodeType(e),r=this.scope;let s,i;if(r===gl.VERTEX)s=e.getVertexIndex();else if(r===gl.INSTANCE)s=e.getInstanceIndex();else if(r===gl.DRAW)s=e.getDrawIndex();else if(r===gl.INVOCATION_LOCAL)s=e.getInvocationLocalIndex();else if(r===gl.INVOCATION_SUBGROUP)s=e.getInvocationSubgroupIndex();else{if(r!==gl.SUBGROUP)throw new Error("THREE.IndexNode: Unknown scope: "+r);s=e.getSubgroupIndex()}if("vertex"===e.shaderStage||"compute"===e.shaderStage)i=s;else{i=ju(this).build(e,t)}return i}}gl.VERTEX="vertex",gl.INSTANCE="instance",gl.SUBGROUP="subgroup",gl.INVOCATION_LOCAL="invocationLocal",gl.INVOCATION_SUBGROUP="invocationSubgroup",gl.DRAW="draw";const ml=ln(gl,gl.VERTEX),fl=ln(gl,gl.INSTANCE),yl=ln(gl,gl.SUBGROUP),bl=ln(gl,gl.INVOCATION_SUBGROUP),xl=ln(gl,gl.INVOCATION_LOCAL),Tl=ln(gl,gl.DRAW);class _l extends pi{static get type(){return"ComputeNode"}constructor(e,t){super("void"),this.isComputeNode=!0,this.computeNode=e,this.workgroupSize=t,this.count=null,this.dispatchSize=null,this.version=1,this.name="",this.updateBeforeType=ii.OBJECT,this.onInitFunction=null,this.countNode=null}dispose(){this.dispatchEvent({type:"dispose"})}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.',new Vs),this.setName(e)}onInit(e){return this.onInitFunction=e,this}updateBefore({renderer:e}){e.compute(this)}setup(e){null!==this.count&&null===this.countNode&&(this.countNode=Aa(this.count,"uint").onObjectUpdate(()=>this.count));const t=this.computeNode.build(e);if(t){e.getNodeProperties(this).outputComputeNode=t.outputNode,t.outputNode=null}return t}generate(e,t){const{shaderStage:r}=e;if("compute"===r){const t=this.computeNode.build(e,"void");if(""!==t&&e.addLineFlowCode(t,this),null!==this.count&&!0===e.allowEarlyReturns){const t=this.countNode.build(e,"uint"),r=fl.build(e,"uint");e.flow.code=`${e.tab}if ( ${r} >= ${t} ) { return; }\n\n${e.flow.code}`}}else{const r=e.getNodeProperties(this).outputComputeNode;if(r)return r.build(e,t)}}}const vl=(e,t=[64])=>{(0===t.length||t.length>3)&&o("TSL: compute() workgroupSize must have 1, 2, or 3 elements",new Vs);for(let e=0;e<t.length;e++){const r=t[e];("number"!=typeof r||r<=0||!Number.isInteger(r))&&o(`TSL: compute() workgroupSize element at index [ ${e} ] must be a positive integer`,new Vs)}for(;t.length<3;)t.push(1);return new _l(sn(e),t)},Nl=(e,t,r)=>{const s=vl(e,r);return"number"==typeof t?s.count=t:s.dispatchSize=t,s};Ai("compute",Nl),Ai("computeKernel",vl);class Sl extends pi{static get type(){return"IsolateNode"}constructor(e,t=!0){super(),this.node=e,this.parent=t,this.isIsolateNode=!0}generateNodeType(e){const t=e.getCache(),r=e.getCacheFromNode(this,this.parent);e.setCache(r);const s=this.node.getNodeType(e);return e.setCache(t),s}build(e,...t){const r=e.getCache(),s=e.getCacheFromNode(this,this.parent);e.setCache(s);const i=this.node.build(e,...t);return e.setCache(r),i}setParent(e){return this.parent=e,this}getParent(){return this.parent}}const Rl=e=>new Sl(sn(e));function El(e,t=!0){return d('TSL: "cache()" has been deprecated. Use "isolate()" instead.'),Rl(e).setParent(t)}Ai("cache",El),Ai("isolate",Rl);class wl extends pi{static get type(){return"BypassNode"}constructor(e,t){super(),this.isBypassNode=!0,this.outputNode=e,this.callNode=t}generateNodeType(e){return this.outputNode.getNodeType(e)}generate(e){const t=this.callNode.build(e,"void");return""!==t&&e.addLineFlowCode(t,this),this.outputNode.build(e)}}const Al=un(wl).setParameterLength(2);Ai("bypass",Al);const Cl=gn(([e,t,r,s=Tn(0),i=Tn(1),n=Nn(!1)])=>{let a=e.sub(t).div(r.sub(t));return en(n)&&(a=a.clamp()),a.mul(i.sub(s)).add(s)});function Ml(e,t,r,s=Tn(0),i=Tn(1)){return Cl(e,t,r,s,i,!0)}Ai("remap",Cl),Ai("remapClamp",Ml);class Bl extends pi{static get type(){return"ExpressionNode"}constructor(e="",t="void"){super(t),this.snippet=e}generate(e,t){const r=this.getNodeType(e),s=this.snippet;if("void"!==r)return e.format(s,r,t);e.addLineFlowCode(s,this)}}const Ll=un(Bl).setParameterLength(1,2),Fl=e=>(e?Mu(e,Ll("discard")):Ll("discard")).toStack();Ai("discard",Fl);const Pl=gn(([e])=>Ln(e.rgb.mul(e.a),e.a),{color:"vec4",return:"vec4"}),Ul=gn(([e])=>e.a.equal(0).select(Ln(0),Ln(e.rgb.div(e.a),e.a)),{color:"vec4",return:"vec4"});class Dl extends fi{static get type(){return"RenderOutputNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this._toneMapping=t,this.outputColorSpace=r,this.isRenderOutputNode=!0}setToneMapping(e){return this._toneMapping=e,this}getToneMapping(){return this._toneMapping}setup({context:e}){let t=this.colorNode||e.color;t=Ln(t.rgb,t.a.clamp(0,1)),t=Ul(t);const r=(null!==this._toneMapping?this._toneMapping:e.toneMapping)||m,s=(null!==this.outputColorSpace?this.outputColorSpace:e.outputColorSpace)||T;return r!==m&&(t=t.toneMapping(r)),s!==T&&s!==p.workingColorSpace&&(t=t.workingToColorSpace(s)),t=Pl(t),t}}const Ol=(e,t=null,r=null)=>new Dl(sn(e),t,r);Ai("renderOutput",Ol);class Il extends fi{static get type(){return"DebugNode"}constructor(e,t=null){super(),this.node=e,this.callback=t}generateNodeType(e){return this.node.getNodeType(e)}setup(e){return this.node.build(e)}analyze(e){return this.node.build(e)}generate(e){const t=this.callback,r=this.node.build(e);if(null!==t)t(e,r);else{const t="--- TSL debug - "+e.shaderStage+" shader ---",s="-".repeat(t.length);let i="";i+="// #"+t+"#\n",i+=e.flow.code.replace(/^\t/gm,"")+"\n",i+="/* ... */ "+r+" /* ... */\n",i+="// #"+s+"#\n",_(i)}return r}}const Vl=(e,t=null)=>new Il(sn(e),t).toStack();Ai("debug",Vl);class kl extends u{constructor(){super(),this._renderer=null,this.currentFrame=null}get nodeFrame(){return this._renderer._nodes.nodeFrame}setRenderer(e){return this._renderer=e,this}getRenderer(){return this._renderer}init(){}begin(){}finish(){}inspect(){}computeAsync(){}beginCompute(){}finishCompute(){}beginRender(){}finishRender(){}copyTextureToTexture(){}copyFramebufferToTexture(){}}class Gl extends pi{static get type(){return"InspectorNode"}constructor(e,t="",r=null){super(),this.node=e,this.name=t,this.callback=r,this.updateType=ii.FRAME,this.isInspectorNode=!0}getName(){return this.name||this.node.name}update(e){e.renderer.inspector.inspect(this)}generateNodeType(e){return this.node.getNodeType(e)}setup(e){let t=this.node;return!0===e.context.inspector&&null!==this.callback&&(t=this.callback(t)),!0!==e.renderer.backend.isWebGPUBackend&&e.renderer.inspector.constructor!==kl&&v('TSL: ".toInspector()" is only available with WebGPU.'),t}}function $l(e,t="",r=null){return(e=sn(e)).before(new Gl(e,t,r))}Ai("toInspector",$l);class zl extends pi{static get type(){return"AttributeNode"}constructor(e,t=null){super(t),this.global=!0,this._attributeName=e}getHash(e){return this.getAttributeName(e)}generateNodeType(e){let t=this.nodeType;if(null===t){const r=this.getAttributeName(e);if(e.hasGeometryAttribute(r)){const s=e.geometry.getAttribute(r);t=e.getTypeFromAttribute(s)}else t="float"}return t}setAttributeName(e){return this._attributeName=e,this}getAttributeName(){return this._attributeName}generate(e){const t=this.getAttributeName(e),r=this.getNodeType(e);if(!0===e.hasGeometryAttribute(t)){const s=e.geometry.getAttribute(t),i=e.getTypeFromAttribute(s),n=e.getAttribute(t,i);if("vertex"===e.shaderStage)return e.format(n.name,i,r);return ju(this).build(e,r)}return d(`AttributeNode: Vertex attribute "${t}" not found on geometry.`),e.generateConst(r)}serialize(e){super.serialize(e),e.global=this.global,e._attributeName=this._attributeName}deserialize(e){super.deserialize(e),this.global=e.global,this._attributeName=e._attributeName}}const Wl=(e,t=null)=>new zl(e,t),Hl=(e=0)=>Wl("uv"+(e>0?e:""),"vec2");class jl extends pi{static get type(){return"TextureSizeNode"}constructor(e,t=null){super("uvec2"),this.isTextureSizeNode=!0,this.textureNode=e,this.levelNode=t}generate(e,t){const r=this.textureNode.build(e,"property"),s=null===this.levelNode?"0":this.levelNode.build(e,"int");return e.format(`${e.getMethod("textureDimensions")}( ${r}, ${s} )`,this.getNodeType(e),t)}}const ql=un(jl).setParameterLength(1,2);class Xl extends wa{static get type(){return"MaxMipLevelNode"}constructor(e){super(0),this._textureNode=e,this.updateType=ii.FRAME}get textureNode(){return this._textureNode}get texture(){return this._textureNode.value}update(){const e=this.texture,t=e.images,r=t&&t.length>0?t[0]&&t[0].image||t[0]:e.image;if(r&&void 0!==r.width){const{width:e,height:t}=r;this.value=Math.log2(Math.max(e,t))}}}const Yl=un(Xl).setParameterLength(1);class Kl extends Error{constructor(e,t=null){super(e),this.name="NodeError",this.stackTrace=t}}const Ql=new N;class Zl extends wa{static get type(){return"TextureNode"}constructor(e=Ql,t=null,r=null,s=null){super(e),this.isTextureNode=!0,this.uvNode=t,this.levelNode=r,this.biasNode=s,this.compareNode=null,this.depthNode=null,this.gradNode=null,this.gatherNode=null,this.offsetNode=null,this.sampler=!0,this.updateMatrix=!1,this.updateType=ii.NONE,this.referenceNode=null,this._value=e,this._matrixUniform=null,this._flipYUniform=null,this.setUpdateMatrix(null===t)}set value(e){this.referenceNode?this.referenceNode.value=e:this._value=e}get value(){return this.referenceNode?this.referenceNode.value:this._value}getUniformHash(){return this.value.uuid}generateNodeType(){return!0===this.value.isDepthTexture?null===this.gatherNode?"float":"vec4":this.value.type===S?"uvec4":this.value.type===R?"ivec4":"vec4"}getInputType(){return"texture"}getDefaultUV(){return Hl(this.value.channel)}updateReference(){return this.value}getTransformedUV(e){return null===this._matrixUniform&&(this._matrixUniform=Aa(this.value.matrix)),this._matrixUniform.mul(An(e,1)).xy}setUpdateMatrix(e){return this.updateMatrix=e,this}setupUV(e,t){return e.isFlipY()&&(null===this._flipYUniform&&(this._flipYUniform=Aa(!1)),t=t.toVar(),t=this.sampler?this._flipYUniform.select(t.flipY(),t):this._flipYUniform.select(t.setY(_n(ql(this,this.levelNode).y).sub(t.y).sub(1)),t)),t}setup(e){const t=e.getNodeProperties(this);t.referenceNode=this.referenceNode;const r=this.value;if(!r||!0!==r.isTexture)throw new Kl("THREE.TSL: `texture( value )` function expects a valid instance of THREE.Texture().",this.stackTrace);const s=gn(()=>{let t=this.uvNode;return null!==t&&!0!==e.context.forceUVContext||!e.context.getUV||(t=e.context.getUV(this,e)),t||(t=this.getDefaultUV()),!0===this.updateMatrix&&(t=this.getTransformedUV(t)),t=this.setupUV(e,t),this.updateType=null!==this._matrixUniform||null!==this._flipYUniform?ii.OBJECT:ii.NONE,t})();let i=this.levelNode;null===i&&e.context.getTextureLevel&&(i=e.context.getTextureLevel(this));let n=null,a=null;if(null!==this.compareNode)if(e.renderer.hasCompatibility(E.TEXTURE_COMPARE))n=this.compareNode;else{const e=r.compareFunction;null===e||e===w||e===A||e===C||e===M?a=this.compareNode:(n=this.compareNode,v('TSL: Only "LessCompare", "LessEqualCompare", "GreaterCompare" and "GreaterEqualCompare" are supported for depth texture comparison fallback.'))}t.uvNode=s,t.levelNode=i,t.biasNode=this.biasNode,t.compareNode=n,t.compareStepNode=a,t.gradNode=this.gradNode,t.gatherNode=this.gatherNode,t.depthNode=this.depthNode,t.offsetNode=this.offsetNode}generateUV(e,t){return t.build(e,!0===this.sampler?"vec2":"ivec2")}generateOffset(e,t){return t.build(e,"ivec2")}generateSnippet(e,t,r,s,i,n,a,o,u,l,d){const c=this.value;let h;return h=i?e.generateTextureBias(c,t,r,i,n,l):o?e.generateTextureGrad(c,t,r,o,n,l):u?a?e.generateTextureGatherCompare(c,t,r,a,n,l,d):e.generateTextureGather(c,t,r,u,n,l,d):a?e.generateTextureCompare(c,t,r,a,n,l):!1===this.sampler?e.generateTextureLoad(c,t,r,s,n,l):s?e.generateTextureLevel(c,t,r,s,n,l):e.generateTexture(c,t,r,n,l),h}generate(e,t){const r=this.value,s=e.getNodeProperties(this),i=super.generate(e,"property");if(/^sampler/.test(t))return i+"_sampler";if(e.isReference(t))return i;{const n=e.getDataFromNode(this);let a=this.getNodeType(e),o=n.propertyName;if(void 0===o){const{uvNode:t,levelNode:u,biasNode:l,compareNode:d,compareStepNode:c,depthNode:h,gradNode:p,gatherNode:g,offsetNode:m}=s,f=this.generateUV(e,t),y=u?u.build(e,"float"):null,b=l?l.build(e,"float"):null,x=h?h.build(e,"int"):null,T=d?d.build(e,"float"):null,_=c?c.build(e,"float"):null,v=p?[p[0].build(e,"vec2"),p[1].build(e,"vec2")]:null,N=g?g.build(e,"int"):null,S=m?this.generateOffset(e,m):null,R=this._flipYUniform?this._flipYUniform.build(e,"bool"):null;N&&(a="vec4");let E=x;null===E&&r.isArrayTexture&&!0!==this.isTexture3DNode&&(E="0");const w=e.getVarFromNode(this);o=e.getPropertyName(w);let A=this.generateSnippet(e,i,f,y,b,E,T,v,N,S,R);if(null!==_){const t=r.compareFunction;A=t===C||t===M?iu(Ll(A,a),Ll(_,"float")).build(e,a):iu(Ll(_,"float"),Ll(A,a)).build(e,a)}e.addLineFlowCode(`${o} = ${A}`,this),n.snippet=A,n.propertyName=o}let u=o;return e.needsToWorkingColorSpace(r)&&(u=Ju(Ll(u,a),r.colorSpace).setup(e).build(e,a)),e.format(u,a,t)}}setSampler(e){return this.sampler=e,this}getSampler(){return this.sampler}sample(e){const t=this.clone();return t.uvNode=sn(e),t.referenceNode=this.getBase(),sn(t)}load(e){return this.sample(e).setSampler(!1)}blur(e){const t=this.clone();t.biasNode=sn(e).mul(Yl(t)),t.referenceNode=this.getBase();const r=t.value;return!1===t.generateMipmaps&&(r&&!1===r.generateMipmaps||r.minFilter===B||r.magFilter===B)&&(d("TSL: texture().blur() requires mipmaps and sampling. Use .generateMipmaps=true and .minFilter/.magFilter=THREE.LinearFilter in the Texture."),t.biasNode=null),sn(t)}level(e){const t=this.clone();return t.levelNode=sn(e),t.referenceNode=this.getBase(),sn(t)}size(e){return ql(this,e)}bias(e){const t=this.clone();return t.biasNode=sn(e),t.referenceNode=this.getBase(),sn(t)}getBase(){return this.referenceNode?this.referenceNode.getBase():this}compare(e){const t=this.clone();return t.compareNode=sn(e),t.referenceNode=this.getBase(),sn(t)}grad(e,t){const r=this.clone();return r.gradNode=[sn(e),sn(t)],r.referenceNode=this.getBase(),sn(r)}gather(e=0){const t=this.clone();return t.gatherNode=sn(e),t.referenceNode=this.getBase(),sn(t)}depth(e){const t=this.clone();return t.depthNode=sn(e),t.referenceNode=this.getBase(),sn(t)}offset(e){const t=this.clone();return t.offsetNode=sn(e),t.referenceNode=this.getBase(),sn(t)}serialize(e){super.serialize(e),e.value=this.value.toJSON(e.meta).uuid,e.sampler=this.sampler,e.updateMatrix=this.updateMatrix,e.updateType=this.updateType}deserialize(e){super.deserialize(e),this.value=e.meta.textures[e.value],this.sampler=e.sampler,this.updateMatrix=e.updateMatrix,this.updateType=e.updateType}update(){const e=this.value,t=this._matrixUniform;null!==t&&(t.value=e.matrix),!0===e.matrixAutoUpdate&&e.updateMatrix();const r=this._flipYUniform;null!==r&&(r.value=e.image instanceof ImageBitmap&&!0===e.flipY||!0===e.isRenderTargetTexture||!0===e.isFramebufferTexture||!0===e.isDepthTexture)}clone(){const e=new this.constructor(this.value,this.uvNode,this.levelNode,this.biasNode);return e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.gatherNode=this.gatherNode,e.offsetNode=this.offsetNode,e}}const Jl=un(Zl).setParameterLength(1,4).setName("texture"),ed=(e=Ql,t=null,r=null,s=null)=>{let i;return e&&!0===e.isTextureNode?(i=sn(e.clone()),i.referenceNode=e.getBase(),null!==t&&(i.uvNode=sn(t)),null!==r&&(i.levelNode=sn(r)),null!==s&&(i.biasNode=sn(s))):i=Jl(e,t,r,s),i},td=(...e)=>ed(...e).setSampler(!1);class rd extends wa{static get type(){return"BufferNode"}constructor(e,t,r=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferCount=r,this.updateRanges=[]}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}getElementType(e){return this.getNodeType(e)}getInputType(){return"buffer"}}const sd=(e,t,r)=>new rd(e,t,r);class id extends gi{static get type(){return"UniformArrayElementNode"}constructor(e,t){super(e,t),this.isArrayBufferElementNode=!0}generate(e){const t=super.generate(e),r=this.getNodeType(e),s=this.node.getPaddedType();return e.format(t,s,r)}}class nd extends rd{static get type(){return"UniformArrayNode"}constructor(e,t=null){super(null),this.array=e,this.elementType=null===t?Qs(e[0]):t,this.paddedType=this.getPaddedType(),this.updateType=ii.RENDER,this.isArrayBufferNode=!0}generateNodeType(){return this.paddedType}getElementType(){return this.elementType}getPaddedType(){const e=this.elementType;let t="vec4";return"mat2"===e?t="mat2":!0===/mat/.test(e)?t="mat4":"i"===e.charAt(0)?t="ivec4":"u"===e.charAt(0)&&(t="uvec4"),t}update(){const{array:e,value:t}=this,r=this.elementType;if("float"===r||"int"===r||"uint"===r)for(let r=0;r<e.length;r++){t[4*r]=e[r]}else if("color"===r)for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.r,t[s+1]=i.g,t[s+2]=i.b||0}else if("mat2"===r)for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.elements[0],t[s+1]=i.elements[1],t[s+2]=i.elements[2],t[s+3]=i.elements[3]}else if("mat3"===r)for(let r=0;r<e.length;r++){const s=16*r,i=e[r];t[s]=i.elements[0],t[s+1]=i.elements[1],t[s+2]=i.elements[2],t[s+4]=i.elements[3],t[s+5]=i.elements[4],t[s+6]=i.elements[5],t[s+8]=i.elements[6],t[s+9]=i.elements[7],t[s+10]=i.elements[8],t[s+15]=1}else if("mat4"===r)for(let r=0;r<e.length;r++){const s=16*r,i=e[r];for(let e=0;e<i.elements.length;e++)t[s+e]=i.elements[e]}else for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.x,t[s+1]=i.y,t[s+2]=i.z||0,t[s+3]=i.w||0}}setup(e){const t=this.array.length,r=this.elementType;let s=Float32Array;const i=this.paddedType,n=e.getTypeLength(i);return"i"===r.charAt(0)&&(s=Int32Array),"u"===r.charAt(0)&&(s=Uint32Array),this.value=new s(t*n),this.bufferCount=t,this.bufferType=i,this.update(),super.setup(e)}element(e){return new id(this,sn(e))}}const ad=(e,t)=>new nd(e,t);class od extends pi{constructor(e){super("float"),this.name=e,this.isBuiltinNode=!0}generate(){return this.name}}const ud=un(od).setParameterLength(1);let ld,dd;class cd extends pi{static get type(){return"ScreenNode"}constructor(e){super(),this.scope=e,this._output=null,this.isViewportNode=!0}generateNodeType(){return this.scope===cd.DPR?"float":this.scope===cd.VIEWPORT?"vec4":"vec2"}getUpdateType(){let e=ii.NONE;return this.scope!==cd.SIZE&&this.scope!==cd.VIEWPORT&&this.scope!==cd.DPR||(e=ii.RENDER),this.updateType=e,e}update({renderer:e}){const t=e.getRenderTarget();this.scope===cd.VIEWPORT?null!==t?dd.copy(t.viewport):(e.getViewport(dd),dd.multiplyScalar(e.getPixelRatio())):this.scope===cd.DPR?this._output.value=e.getPixelRatio():null!==t?(ld.width=t.width,ld.height=t.height):e.getDrawingBufferSize(ld)}setup(){const e=this.scope;let r=null;return r=e===cd.SIZE?Aa(ld||(ld=new t)):e===cd.VIEWPORT?Aa(dd||(dd=new s)):e===cd.DPR?Aa(1):Sn(md.div(gd)),this._output=r,r}generate(e){if(this.scope===cd.COORDINATE){let t=e.getFragCoord();if(e.isFlipY()){const r=e.getNodeProperties(gd).outputNode.build(e);t=`${e.getType("vec2")}( ${t}.x, ${r}.y - ${t}.y )`}return t}return super.generate(e)}}cd.COORDINATE="coordinate",cd.VIEWPORT="viewport",cd.SIZE="size",cd.UV="uv",cd.DPR="dpr";const hd=ln(cd,cd.DPR),pd=ln(cd,cd.UV),gd=ln(cd,cd.SIZE),md=ln(cd,cd.COORDINATE),fd=ln(cd,cd.VIEWPORT),yd=fd.zw,bd=md.sub(fd.xy),xd=bd.div(yd),Td=gn(()=>(d('TSL: "viewportResolution" is deprecated. Use "screenSize" instead.',new Vs),gd),"vec2").once()();let _d=null,vd=null,Nd=null,Sd=null,Rd=null,Ed=null,wd=null,Ad=null,Cd=null,Md=null,Bd=null,Ld=null,Fd=null,Pd=null;const Ud=Aa(0,"uint").setName("u_cameraIndex").setGroup(Na("cameraIndex")).toVarying("v_cameraIndex"),Dd=Aa("float").setName("cameraNear").setGroup(Ra).onRenderUpdate(({camera:e})=>e.near),Od=Aa("float").setName("cameraFar").setGroup(Ra).onRenderUpdate(({camera:e})=>e.far),Id=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.projectionMatrix);null===vd?vd=ad(r).setGroup(Ra).setName("cameraProjectionMatrices"):vd.array=r,t=vd.element(e.isMultiViewCamera?ud("gl_ViewID_OVR"):Ud).toConst("cameraProjectionMatrix")}else null===_d&&(_d=Aa(e.projectionMatrix).setName("cameraProjectionMatrix").setGroup(Ra).onRenderUpdate(({camera:e})=>e.projectionMatrix)),t=_d;return t}).once()(),Vd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.projectionMatrixInverse);null===Sd?Sd=ad(r).setGroup(Ra).setName("cameraProjectionMatricesInverse"):Sd.array=r,t=Sd.element(e.isMultiViewCamera?ud("gl_ViewID_OVR"):Ud).toConst("cameraProjectionMatrixInverse")}else null===Nd&&(Nd=Aa(e.projectionMatrixInverse).setName("cameraProjectionMatrixInverse").setGroup(Ra).onRenderUpdate(({camera:e})=>e.projectionMatrixInverse)),t=Nd;return t}).once()(),kd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.matrixWorldInverse);null===Ed?Ed=ad(r).setGroup(Ra).setName("cameraViewMatrices"):Ed.array=r,t=Ed.element(e.isMultiViewCamera?ud("gl_ViewID_OVR"):Ud).toConst("cameraViewMatrix")}else null===Rd&&(Rd=Aa(e.matrixWorldInverse).setName("cameraViewMatrix").setGroup(Ra).onRenderUpdate(({camera:e})=>e.matrixWorldInverse)),t=Rd;return t}).once()(),Gd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.matrixWorld);null===Ad?Ad=ad(r).setGroup(Ra).setName("cameraWorldMatrices"):Ad.array=r,t=Ad.element(e.isMultiViewCamera?ud("gl_ViewID_OVR"):Ud).toConst("cameraWorldMatrix")}else null===wd&&(wd=Aa(e.matrixWorld).setName("cameraWorldMatrix").setGroup(Ra).onRenderUpdate(({camera:e})=>e.matrixWorld)),t=wd;return t}).once()(),$d=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.normalMatrix);null===Md?Md=ad(r).setGroup(Ra).setName("cameraNormalMatrices"):Md.array=r,t=Md.element(e.isMultiViewCamera?ud("gl_ViewID_OVR"):Ud).toConst("cameraNormalMatrix")}else null===Cd&&(Cd=Aa(e.normalMatrix).setName("cameraNormalMatrix").setGroup(Ra).onRenderUpdate(({camera:e})=>e.normalMatrix)),t=Cd;return t}).once()(),zd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const s=[];for(let t=0,i=e.cameras.length;t<i;t++)s.push(new r);null===Ld?Ld=ad(s).setGroup(Ra).setName("cameraPositions").onRenderUpdate(({camera:e},t)=>{const r=e.cameras,s=t.array;for(let e=0,t=r.length;e<t;e++)s[e].setFromMatrixPosition(r[e].matrixWorld)}):Ld.array=s,t=Ld.element(e.isMultiViewCamera?ud("gl_ViewID_OVR"):Ud).toConst("cameraPosition")}else null===Bd&&(Bd=Aa(new r).setName("cameraPosition").setGroup(Ra).onRenderUpdate(({camera:e},t)=>t.value.setFromMatrixPosition(e.matrixWorld))),t=Bd;return t}).once()(),Wd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.viewport);null===Pd?Pd=ad(r,"vec4").setGroup(Ra).setName("cameraViewports"):Pd.array=r,t=Pd.element(Ud).toConst("cameraViewport")}else null===Fd&&(Fd=Ln(0,0,gd.x,gd.y).toConst("cameraViewport")),t=Fd;return t}).once()(),Hd=new L;class jd extends pi{static get type(){return"Object3DNode"}constructor(e,t=null){super(),this.scope=e,this.object3d=t,this.updateType=ii.OBJECT,this.uniformNode=new wa(null)}generateNodeType(){const e=this.scope;return e===jd.WORLD_MATRIX?"mat4":e===jd.POSITION||e===jd.VIEW_POSITION||e===jd.DIRECTION||e===jd.SCALE?"vec3":e===jd.RADIUS?"float":void 0}update(e){const t=this.object3d,s=this.uniformNode,i=this.scope;if(i===jd.WORLD_MATRIX)s.value=t.matrixWorld;else if(i===jd.POSITION)s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld);else if(i===jd.SCALE)s.value=s.value||new r,s.value.setFromMatrixScale(t.matrixWorld);else if(i===jd.DIRECTION)s.value=s.value||new r,t.getWorldDirection(s.value);else if(i===jd.VIEW_POSITION){const i=e.camera;s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld),s.value.applyMatrix4(i.matrixWorldInverse)}else if(i===jd.RADIUS){const r=e.object.geometry;null===r.boundingSphere&&r.computeBoundingSphere(),Hd.copy(r.boundingSphere).applyMatrix4(t.matrixWorld),s.value=Hd.radius}}generate(e){const t=this.scope;return t===jd.WORLD_MATRIX?this.uniformNode.nodeType="mat4":t===jd.POSITION||t===jd.VIEW_POSITION||t===jd.DIRECTION||t===jd.SCALE?this.uniformNode.nodeType="vec3":t===jd.RADIUS&&(this.uniformNode.nodeType="float"),this.uniformNode.build(e)}serialize(e){super.serialize(e),e.scope=this.scope}deserialize(e){super.deserialize(e),this.scope=e.scope}}jd.WORLD_MATRIX="worldMatrix",jd.POSITION="position",jd.SCALE="scale",jd.VIEW_POSITION="viewPosition",jd.DIRECTION="direction",jd.RADIUS="radius";const qd=un(jd,jd.DIRECTION).setParameterLength(1),Xd=un(jd,jd.WORLD_MATRIX).setParameterLength(1),Yd=un(jd,jd.POSITION).setParameterLength(1),Kd=un(jd,jd.SCALE).setParameterLength(1),Qd=un(jd,jd.VIEW_POSITION).setParameterLength(1),Zd=un(jd,jd.RADIUS).setParameterLength(1);class Jd extends jd{static get type(){return"ModelNode"}constructor(e){super(e)}update(e){this.object3d=e.object,super.update(e)}}const ec=ln(Jd,Jd.DIRECTION),tc=ln(Jd,Jd.WORLD_MATRIX),rc=ln(Jd,Jd.POSITION),sc=ln(Jd,Jd.SCALE),ic=ln(Jd,Jd.VIEW_POSITION),nc=ln(Jd,Jd.RADIUS),ac=Aa(new n).onObjectUpdate(({object:e},t)=>t.value.getNormalMatrix(e.matrixWorld)),oc=Aa(new a).onObjectUpdate(({object:e},t)=>t.value.copy(e.matrixWorld).invert()),uc=gn(e=>e.context.modelViewMatrix||lc).once()().toVar("modelViewMatrix"),lc=kd.mul(tc),dc=gn(e=>(e.context.isHighPrecisionModelViewMatrix=!0,Aa("mat4").onObjectUpdate(({object:e,camera:t})=>e.modelViewMatrix.multiplyMatrices(t.matrixWorldInverse,e.matrixWorld)))).once()().toVar("highpModelViewMatrix"),cc=gn(e=>{const t=e.context.isHighPrecisionModelViewMatrix;return Aa("mat3").onObjectUpdate(({object:e,camera:r})=>(!0!==t&&e.modelViewMatrix.multiplyMatrices(r.matrixWorldInverse,e.matrixWorld),e.normalMatrix.getNormalMatrix(e.modelViewMatrix)))}).once()().toVar("highpModelNormalViewMatrix"),hc=gn(e=>"fragment"!==e.shaderStage?(v("TSL: `clipSpace` is only available in fragment stage."),Ln()):e.context.clipSpace.toVarying("v_clipSpace")).once()(),pc=Wl("position","vec3"),gc=pc.toVarying("positionLocal"),mc=pc.toVarying("positionPrevious"),fc=gn(e=>tc.mul(gc).xyz.toVarying(e.getSubBuildProperty("v_positionWorld")),"vec3").once(["POSITION"])(),yc=gn(()=>gc.transformDirection(tc).toVarying("v_positionWorldDirection").normalize().toVar("positionWorldDirection"),"vec3").once(["POSITION"])(),bc=gn(e=>{if("fragment"===e.shaderStage&&e.material.vertexNode){const e=Vd.mul(hc);return e.xyz.div(e.w).toVar("positionView")}return e.context.setupPositionView().toVarying("v_positionView")},"vec3").once(["POSITION","VERTEX"])(),xc=gn(e=>{let t;return t=e.camera.isOrthographicCamera?An(0,0,1):bc.negate().toVarying("v_positionViewDirection").normalize(),t.toVar("positionViewDirection")},"vec3").once(["POSITION"])();class Tc extends pi{static get type(){return"FrontFacingNode"}constructor(){super("bool"),this.isFrontFacingNode=!0}generate(e){if("fragment"!==e.shaderStage)return"true";const{material:t}=e;return t.side===F?"false":e.getFrontFacing()}}const _c=ln(Tc),vc=Tn(_c).mul(2).sub(1),Nc=gn(([e],{material:t})=>{const r=t.side;return r===F?e=e.mul(-1):r===P&&(e=e.mul(vc)),e}),Sc=Wl("normal","vec3"),Rc=gn(e=>!1===e.geometry.hasAttribute("normal")?(d('TSL: Vertex attribute "normal" not found on geometry.'),An(0,1,0)):Sc,"vec3").once()().toVar("normalLocal"),Ec=bc.dFdx().cross(bc.dFdy()).normalize().toVar("normalFlat"),wc=gn(e=>{let t;return t=e.isFlatShading()?Ec:Fc(Rc).toVarying("v_normalViewGeometry").normalize(),t},"vec3").once()().toVar("normalViewGeometry"),Ac=gn(e=>{let t=wc.transformDirection(kd);return!0!==e.isFlatShading()&&(t=t.toVarying("v_normalWorldGeometry")),t.normalize().toVar("normalWorldGeometry")},"vec3").once()(),Cc=gn(e=>{let t;return"NORMAL"===e.subBuildFn||"VERTEX"===e.subBuildFn?(t=wc,!0!==e.isFlatShading()&&(t=Nc(t))):t=e.context.setupNormal().context({getUV:null,getTextureLevel:null}),t},"vec3").once(["NORMAL","VERTEX"])().toVar("normalView"),Mc=Cc.transformDirection(kd).toVar("normalWorld"),Bc=gn(({subBuildFn:e,context:t})=>{let r;return r="NORMAL"===e||"VERTEX"===e?Cc:t.setupClearcoatNormal().context({getUV:null,getTextureLevel:null}),r},"vec3").once(["NORMAL","VERTEX"])().toVar("clearcoatNormalView"),Lc=gn(([e,t=tc])=>{const r=On(t),s=e.div(An(r[0].dot(r[0]),r[1].dot(r[1]),r[2].dot(r[2])));return r.mul(s).xyz}),Fc=gn(([e],t)=>{const r=t.context.modelNormalViewMatrix;if(r)return r.transformDirection(e);const s=ac.mul(e);return kd.transformDirection(s)}),Pc=gn(()=>(d('TSL: "transformedNormalView" is deprecated. Use "normalView" instead.'),Cc)).once(["NORMAL","VERTEX"])(),Uc=gn(()=>(d('TSL: "transformedNormalWorld" is deprecated. Use "normalWorld" instead.'),Mc)).once(["NORMAL","VERTEX"])(),Dc=gn(()=>(d('TSL: "transformedClearcoatNormalView" is deprecated. Use "clearcoatNormalView" instead.'),Bc)).once(["NORMAL","VERTEX"])(),Oc=new a,Ic=Aa(0).onReference(({material:e})=>e).onObjectUpdate(({material:e})=>e.refractionRatio),Vc=Aa(1).onReference(({material:e})=>e).onObjectUpdate(function({material:e,scene:t}){return e.envMap?e.envMapIntensity:t.environmentIntensity}),kc=Aa(new a).onReference(function(e){return e.material}).onObjectUpdate(function({material:e,scene:t}){const r=null!==t.environment&&null===e.envMap?t.environmentRotation:e.envMapRotation;return r?Oc.makeRotationFromEuler(r).transpose():Oc.identity(),Oc}),Gc=xc.negate().reflect(Cc),$c=xc.negate().refract(Cc,Ic),zc=Gc.transformDirection(kd).toVar("reflectVector"),Wc=$c.transformDirection(kd).toVar("reflectVector"),Hc=new U;class jc extends Zl{static get type(){return"CubeTextureNode"}constructor(e,t=null,r=null,s=null){super(e,t,r,s),this.isCubeTextureNode=!0}getInputType(){return!0===this.value.isDepthTexture?"cubeDepthTexture":"cubeTexture"}getDefaultUV(){const e=this.value;return e.mapping===D?zc:e.mapping===O?Wc:(o('CubeTextureNode: Mapping "%s" not supported.',e.mapping),An(0,0,0))}setUpdateMatrix(){}setupUV(e,t){const r=this.value;return!0===r.isDepthTexture?e.renderer.coordinateSystem===h?An(t.x,t.y.negate(),t.z):t:(t=kc.mul(t),e.renderer.coordinateSystem!==h&&r.isRenderTargetTexture||(t=An(t.x.negate(),t.yz)),t)}generateUV(e,t){return t.build(e,!0===this.sampler?"vec3":"ivec3")}}const qc=un(jc).setParameterLength(1,4).setName("cubeTexture"),Xc=(e=Hc,t=null,r=null,s=null)=>{let i;return e&&!0===e.isCubeTextureNode?(i=sn(e.clone()),i.referenceNode=e,null!==t&&(i.uvNode=sn(t)),null!==r&&(i.levelNode=sn(r)),null!==s&&(i.biasNode=sn(s))):i=qc(e,t,r,s),i};class Yc extends gi{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}generateNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(e),s=this.getNodeType(e);return e.format(t,r,s)}}class Kc extends pi{static get type(){return"ReferenceNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.name=null,this.updateType=ii.OBJECT}element(e){return new Yc(this,sn(e))}setGroup(e){return this.group=e,this}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.'),this.setName(e)}setNodeType(e){let t=null;t=null!==this.count?sd(null,e,this.count):Array.isArray(this.getValueFromReference())?ad(null,e):"texture"===e?ed(null):"cubeTexture"===e?Xc(null):Aa(null,e),null!==this.group&&t.setGroup(this.group),null!==this.name&&t.setName(this.name),this.node=t}generateNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;e<t.length;e++)r=r[t[e]];return r}updateReference(e){return this.reference=null!==this.object?this.object:e.object,this.reference}setup(){return this.updateValue(),this.node}update(){this.updateValue()}updateValue(){null===this.node&&this.setNodeType(this.uniformType);const e=this.getValueFromReference();Array.isArray(e)?this.node.array=e:this.node.value=e}}const Qc=(e,t,r)=>new Kc(e,t,r),Zc=(e,t,r,s)=>new Kc(e,t,s,r);class Jc extends Kc{static get type(){return"MaterialReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.material=r,this.isMaterialReferenceNode=!0}updateReference(e){return this.reference=null!==this.material?this.material:e.material,this.reference}}const eh=(e,t,r=null)=>new Jc(e,t,r),th=Hl(),rh=bc.dFdx(),sh=bc.dFdy(),ih=th.dFdx(),nh=th.dFdy(),ah=Cc,oh=sh.cross(ah),uh=ah.cross(rh),lh=oh.mul(ih.x).add(uh.mul(nh.x)),dh=oh.mul(ih.y).add(uh.mul(nh.y)),ch=lh.dot(lh).max(dh.dot(dh)),hh=ch.equal(0).select(0,ch.inverseSqrt()),ph=lh.mul(hh).toVar("tangentViewFrame"),gh=dh.mul(hh).toVar("bitangentViewFrame"),mh=Wl("tangent","vec4"),fh=mh.xyz.toVar("tangentLocal"),yh=gn(e=>{let t;return t="VERTEX"===e.subBuildFn||e.geometry.hasAttribute("tangent")?uc.mul(Ln(fh,0)).xyz.toVarying("v_tangentView").normalize():ph,!0!==e.isFlatShading()&&(t=Nc(t)),t},"vec3").once(["NORMAL","VERTEX"])().toVar("tangentView"),bh=yh.transformDirection(kd).toVarying("v_tangentWorld").normalize().toVar("tangentWorld"),xh=gn(([e,t],r)=>{let s=e.mul(mh.w).xyz;return"NORMAL"===r.subBuildFn&&!0!==r.isFlatShading()&&(s=s.toVarying(t)),s}).once(["NORMAL"]),Th=xh(Sc.cross(mh),"v_bitangentGeometry").normalize().toVar("bitangentGeometry"),_h=xh(Rc.cross(fh),"v_bitangentLocal").normalize().toVar("bitangentLocal"),vh=gn(e=>{let t;return t="VERTEX"===e.subBuildFn||e.geometry.hasAttribute("tangent")?xh(Cc.cross(yh),"v_bitangentView").normalize():gh,!0!==e.isFlatShading()&&(t=Nc(t)),t},"vec3").once(["NORMAL","VERTEX"])().toVar("bitangentView"),Nh=xh(Mc.cross(bh),"v_bitangentWorld").normalize().toVar("bitangentWorld"),Sh=On(yh,vh,Cc).toVar("TBNViewMatrix"),Rh=xc.mul(Sh),Eh=gn(()=>{let e=na.cross(xc);return e=e.cross(na).normalize(),e=yu(e,Cc,sa.mul(qn.oneMinus()).oneMinus().pow2().pow2()).normalize(),e}).once()(),wh=e=>sn(e).mul(.5).add(.5),Ah=e=>sn(e).mul(2).sub(1),Ch=e=>An(e,So(xu(Tn(1).sub(uu(e,e)))));class Mh extends fi{static get type(){return"NormalMapNode"}constructor(e,t=null){super("vec3"),this.node=e,this.scaleNode=t,this.normalMapType=I,this.unpackNormalMode=V}setup(e){const{normalMapType:t,scaleNode:r,unpackNormalMode:s}=this;let i=this.node.mul(2).sub(1);if(t===I?s===k?i=Ch(i.xy):s===G?i=Ch(i.yw):s!==V&&o(`THREE.NodeMaterial: Unexpected unpack normal mode: ${s}`):s!==V&&o(`THREE.NodeMaterial: Normal map type '${t}' is not compatible with unpack normal mode '${s}'`),null!==r){let t=r;!0===e.isFlatShading()&&(t=Nc(t)),i=An(i.xy.mul(t),i.z)}let n=null;return t===$?n=Fc(i):t===I?n=Sh.mul(i).normalize():(o(`NodeMaterial: Unsupported normal map type: ${t}`),n=Cc),n}}const Bh=un(Mh).setParameterLength(1,2),Lh=gn(({textureNode:e,bumpScale:t})=>{const r=t=>e.isolate().context({getUV:e=>t(e.uvNode||Hl()),forceUVContext:!0}),s=Tn(r(e=>e));return Sn(Tn(r(e=>e.add(e.dFdx()))).sub(s),Tn(r(e=>e.add(e.dFdy()))).sub(s)).mul(t)}),Fh=gn(e=>{const{surf_pos:t,surf_norm:r,dHdxy:s}=e,i=t.dFdx().normalize(),n=r,a=t.dFdy().normalize().cross(n),o=n.cross(i),u=i.dot(a).mul(vc),l=u.sign().mul(s.x.mul(a).add(s.y.mul(o)));return u.abs().mul(r).sub(l).normalize()});class Ph extends fi{static get type(){return"BumpMapNode"}constructor(e,t=null){super("vec3"),this.textureNode=e,this.scaleNode=t}setup(){const e=null!==this.scaleNode?this.scaleNode:1,t=Lh({textureNode:this.textureNode,bumpScale:e});return Fh({surf_pos:bc,surf_norm:Cc,dHdxy:t})}}const Uh=un(Ph).setParameterLength(1,2),Dh=new Map;class Oh extends pi{static get type(){return"MaterialNode"}constructor(e){super(),this.scope=e}getCache(e,t){let r=Dh.get(e);return void 0===r&&(r=eh(e,t),Dh.set(e,r)),r}getFloat(e){return this.getCache(e,"float")}getColor(e){return this.getCache(e,"color")}getTexture(e){return this.getCache("map"===e?"map":e+"Map","texture")}setup(e){const t=e.context.material,r=this.scope;let s=null;if(r===Oh.COLOR){const e=void 0!==t.color?this.getColor(r):An();s=t.map&&!0===t.map.isTexture?e.mul(this.getTexture("map")):e}else if(r===Oh.OPACITY){const e=this.getFloat(r);s=t.alphaMap&&!0===t.alphaMap.isTexture?e.mul(this.getTexture("alpha")):e}else if(r===Oh.SPECULAR_STRENGTH)s=t.specularMap&&!0===t.specularMap.isTexture?this.getTexture("specular").r:Tn(1);else if(r===Oh.SPECULAR_INTENSITY){const e=this.getFloat(r);s=t.specularIntensityMap&&!0===t.specularIntensityMap.isTexture?e.mul(this.getTexture(r).a):e}else if(r===Oh.SPECULAR_COLOR){const e=this.getColor(r);s=t.specularColorMap&&!0===t.specularColorMap.isTexture?e.mul(this.getTexture(r).rgb):e}else if(r===Oh.ROUGHNESS){const e=this.getFloat(r);s=t.roughnessMap&&!0===t.roughnessMap.isTexture?e.mul(this.getTexture(r).g):e}else if(r===Oh.METALNESS){const e=this.getFloat(r);s=t.metalnessMap&&!0===t.metalnessMap.isTexture?e.mul(this.getTexture(r).b):e}else if(r===Oh.EMISSIVE){const e=this.getFloat("emissiveIntensity"),i=this.getColor(r).mul(e);s=t.emissiveMap&&!0===t.emissiveMap.isTexture?i.mul(this.getTexture(r)):i}else if(r===Oh.NORMAL)t.normalMap?(s=Bh(this.getTexture("normal"),this.getCache("normalScale","vec2")),s.normalMapType=t.normalMapType,t.normalMap.format!=z&&t.normalMap.format!=W&&t.normalMap.format!=H||(s.unpackNormalMode=k)):s=t.bumpMap?Uh(this.getTexture("bump").r,this.getFloat("bumpScale")):Cc;else if(r===Oh.CLEARCOAT){const e=this.getFloat(r);s=t.clearcoatMap&&!0===t.clearcoatMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===Oh.CLEARCOAT_ROUGHNESS){const e=this.getFloat(r);s=t.clearcoatRoughnessMap&&!0===t.clearcoatRoughnessMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===Oh.CLEARCOAT_NORMAL)s=t.clearcoatNormalMap?Bh(this.getTexture(r),this.getCache(r+"Scale","vec2")):Cc;else if(r===Oh.SHEEN){const e=this.getColor("sheenColor").mul(this.getFloat("sheen"));s=t.sheenColorMap&&!0===t.sheenColorMap.isTexture?e.mul(this.getTexture("sheenColor").rgb):e}else if(r===Oh.SHEEN_ROUGHNESS){const e=this.getFloat(r);s=t.sheenRoughnessMap&&!0===t.sheenRoughnessMap.isTexture?e.mul(this.getTexture(r).a):e,s=s.clamp(1e-4,1)}else if(r===Oh.ANISOTROPY)if(t.anisotropyMap&&!0===t.anisotropyMap.isTexture){const e=this.getTexture(r);s=Dn(_p.x,_p.y,_p.y.negate(),_p.x).mul(e.rg.mul(2).sub(Sn(1)).normalize().mul(e.b))}else s=_p;else if(r===Oh.IRIDESCENCE_THICKNESS){const e=Qc("1","float",t.iridescenceThicknessRange);if(t.iridescenceThicknessMap){const i=Qc("0","float",t.iridescenceThicknessRange);s=e.sub(i).mul(this.getTexture(r).g).add(i)}else s=e}else if(r===Oh.TRANSMISSION){const e=this.getFloat(r);s=t.transmissionMap?e.mul(this.getTexture(r).r):e}else if(r===Oh.THICKNESS){const e=this.getFloat(r);s=t.thicknessMap?e.mul(this.getTexture(r).g):e}else if(r===Oh.IOR)s=this.getFloat(r);else if(r===Oh.LIGHT_MAP)s=t.lightMap?this.getTexture(r).rgb.mul(this.getFloat("lightMapIntensity")):An(0);else if(r===Oh.AO)s=t.aoMap?this.getTexture(r).r.sub(1).mul(this.getFloat("aoMapIntensity")).add(1):Tn(1);else if(r===Oh.LINE_DASH_OFFSET)s=t.dashOffset?this.getFloat(r):Tn(0);else{const t=this.getNodeType(e);s=this.getCache(r,t)}return s}}Oh.ALPHA_TEST="alphaTest",Oh.COLOR="color",Oh.OPACITY="opacity",Oh.SHININESS="shininess",Oh.SPECULAR="specular",Oh.SPECULAR_STRENGTH="specularStrength",Oh.SPECULAR_INTENSITY="specularIntensity",Oh.SPECULAR_COLOR="specularColor",Oh.REFLECTIVITY="reflectivity",Oh.ROUGHNESS="roughness",Oh.METALNESS="metalness",Oh.NORMAL="normal",Oh.CLEARCOAT="clearcoat",Oh.CLEARCOAT_ROUGHNESS="clearcoatRoughness",Oh.CLEARCOAT_NORMAL="clearcoatNormal",Oh.EMISSIVE="emissive",Oh.ROTATION="rotation",Oh.SHEEN="sheen",Oh.SHEEN_ROUGHNESS="sheenRoughness",Oh.ANISOTROPY="anisotropy",Oh.IRIDESCENCE="iridescence",Oh.IRIDESCENCE_IOR="iridescenceIOR",Oh.IRIDESCENCE_THICKNESS="iridescenceThickness",Oh.IOR="ior",Oh.TRANSMISSION="transmission",Oh.THICKNESS="thickness",Oh.ATTENUATION_DISTANCE="attenuationDistance",Oh.ATTENUATION_COLOR="attenuationColor",Oh.LINE_SCALE="scale",Oh.LINE_DASH_SIZE="dashSize",Oh.LINE_GAP_SIZE="gapSize",Oh.LINE_WIDTH="linewidth",Oh.LINE_DASH_OFFSET="dashOffset",Oh.POINT_SIZE="size",Oh.DISPERSION="dispersion",Oh.LIGHT_MAP="light",Oh.AO="ao";const Ih=ln(Oh,Oh.ALPHA_TEST),Vh=ln(Oh,Oh.COLOR),kh=ln(Oh,Oh.SHININESS),Gh=ln(Oh,Oh.EMISSIVE),$h=ln(Oh,Oh.OPACITY),zh=ln(Oh,Oh.SPECULAR),Wh=ln(Oh,Oh.SPECULAR_INTENSITY),Hh=ln(Oh,Oh.SPECULAR_COLOR),jh=ln(Oh,Oh.SPECULAR_STRENGTH),qh=ln(Oh,Oh.REFLECTIVITY),Xh=ln(Oh,Oh.ROUGHNESS),Yh=ln(Oh,Oh.METALNESS),Kh=ln(Oh,Oh.NORMAL),Qh=ln(Oh,Oh.CLEARCOAT),Zh=ln(Oh,Oh.CLEARCOAT_ROUGHNESS),Jh=ln(Oh,Oh.CLEARCOAT_NORMAL),ep=ln(Oh,Oh.ROTATION),tp=ln(Oh,Oh.SHEEN),rp=ln(Oh,Oh.SHEEN_ROUGHNESS),sp=ln(Oh,Oh.ANISOTROPY),ip=ln(Oh,Oh.IRIDESCENCE),np=ln(Oh,Oh.IRIDESCENCE_IOR),ap=ln(Oh,Oh.IRIDESCENCE_THICKNESS),op=ln(Oh,Oh.TRANSMISSION),up=ln(Oh,Oh.THICKNESS),lp=ln(Oh,Oh.IOR),dp=ln(Oh,Oh.ATTENUATION_DISTANCE),cp=ln(Oh,Oh.ATTENUATION_COLOR),hp=ln(Oh,Oh.LINE_SCALE),pp=ln(Oh,Oh.LINE_DASH_SIZE),gp=ln(Oh,Oh.LINE_GAP_SIZE),mp=ln(Oh,Oh.LINE_WIDTH),fp=ln(Oh,Oh.LINE_DASH_OFFSET),yp=ln(Oh,Oh.POINT_SIZE),bp=ln(Oh,Oh.DISPERSION),xp=ln(Oh,Oh.LIGHT_MAP),Tp=ln(Oh,Oh.AO),_p=Aa(new t).onReference(function(e){return e.material}).onRenderUpdate(function({material:e}){this.value.set(e.anisotropy*Math.cos(e.anisotropyRotation),e.anisotropy*Math.sin(e.anisotropyRotation))}),vp=gn(e=>e.context.setupModelViewProjection(),"vec4").once()().toVarying("v_modelViewProjection");class Np extends pi{static get type(){return"EventNode"}constructor(e,t){super("void"),this.eventType=e,this.callback=t,e===Np.OBJECT?this.updateType=ii.OBJECT:e===Np.MATERIAL?this.updateType=ii.RENDER:e===Np.FRAME?this.updateType=ii.FRAME:e===Np.BEFORE_OBJECT?this.updateBeforeType=ii.OBJECT:e===Np.BEFORE_MATERIAL?this.updateBeforeType=ii.RENDER:e===Np.BEFORE_FRAME&&(this.updateBeforeType=ii.FRAME)}update(e){this.callback(e)}updateBefore(e){this.callback(e)}}Np.OBJECT="object",Np.MATERIAL="material",Np.FRAME="frame",Np.BEFORE_OBJECT="beforeObject",Np.BEFORE_MATERIAL="beforeMaterial",Np.BEFORE_FRAME="beforeFrame";const Sp=(e,t)=>new Np(e,t).toStack(),Rp=e=>Sp(Np.OBJECT,e),Ep=e=>Sp(Np.FRAME,e);class wp extends gi{static get type(){return"StorageArrayElementNode"}constructor(e,t){super(e,t),this.isStorageArrayElementNode=!0}set storageBufferNode(e){this.node=e}get storageBufferNode(){return this.node}getMemberType(e,t){const r=this.storageBufferNode.structTypeNode;return r?r.getMemberType(e,t):"void"}setup(e){return!1===e.isAvailable("storageBuffer")&&!0===this.node.isPBO&&e.setupPBO(this.node),super.setup(e)}generate(e,t){let r;const s=e.isContextAssign();if(r=!1===e.isAvailable("storageBuffer")?!0!==this.node.isPBO||!0===s||!this.node.value.isInstancedBufferAttribute&&"compute"===e.shaderStage?this.node.build(e):e.generatePBO(this):super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}const Ap=un(wp).setParameterLength(2);class Cp extends rd{static get type(){return"StorageBufferNode"}constructor(e,t=null,r=0){let s,i=null;t&&t.isStructTypeNode?(s="struct",i=t,(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)&&(r=e.count)):null===t&&(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)?(s=js(e.itemSize),r=e.count):s=t,super(e,s,r),this.isStorageBufferNode=!0,this.structTypeNode=i,this.access=ai.READ_WRITE,this.isAtomic=!1,this.isPBO=!1,this._attribute=null,this._varying=null,this.global=!0,!0!==e.isStorageBufferAttribute&&!0!==e.isStorageInstancedBufferAttribute&&(e.isInstancedBufferAttribute?e.isStorageInstancedBufferAttribute=!0:e.isStorageBufferAttribute=!0)}getHash(e){let t;if(0===this.bufferCount){let r=e.globalCache.getData(this.value);void 0===r&&(r={node:this},e.globalCache.setData(this.value,r)),t=r.node.id}else t=this.id;return String(t)}getInputType(){return this.value.isIndirectStorageBufferAttribute?"indirectStorageBuffer":"storageBuffer"}element(e){return Ap(this,e)}setPBO(e){return this.isPBO=e,this}getPBO(){return this.isPBO}setAccess(e){return this.access=e,this}toReadOnly(){return this.setAccess(ai.READ_ONLY)}setAtomic(e){return this.isAtomic=e,this}toAtomic(){return this.setAtomic(!0)}getAttributeData(){return null===this._attribute&&(this._attribute=cl(this.value),this._varying=ju(this._attribute)),{attribute:this._attribute,varying:this._varying}}generateNodeType(e){if(null!==this.structTypeNode)return this.structTypeNode.getNodeType(e);if(e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.generateNodeType(e);const{attribute:t}=this.getAttributeData();return t.getNodeType(e)}getMemberType(e,t){return null!==this.structTypeNode?this.structTypeNode.getMemberType(e,t):"void"}generate(e){if(null!==this.structTypeNode&&this.structTypeNode.build(e),e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.generate(e);const{attribute:t,varying:r}=this.getAttributeData(),s=r.build(e);return e.registerTransform(s,t),s}}const Mp=(e,t=null,r=0)=>new Cp(e,t,r),Bp=new WeakMap,Lp=new WeakMap,Fp=new WeakMap;function Pp(e,t,r){let s;if(!0===t.isStorageInstancedBufferAttribute)s=Mp(t,"mat4",Math.max(r,1)).element(fl);else{if(16*r*4<=e.getUniformBufferLimit())s=sd(t.array,"mat4",Math.max(r,1)).element(fl);else{let e=Bp.get(t);e||(e=new q(t.array,16,1),Bp.set(t,e));const r=t.usage===x?pl:hl,i=[r(e,"vec4",16,0),r(e,"vec4",16,4),r(e,"vec4",16,8),r(e,"vec4",16,12)];s=In(...i)}}return s}const Up=zn("vec3","vInstanceColor"),Dp=gn(([e,t,r=null],s)=>{e=e.value;const i=!0===t.isStorageInstancedBufferAttribute,n=r&&!0===r.isStorageInstancedBufferAttribute,a=Pp(s,t,e);let o=null;if(!i){16*e*4>s.getUniformBufferLimit()&&(o=Bp.get(t))}let u=null,l=null;if(r)if(n)u=Mp(r,"vec3",Math.max(r.count,1)).element(fl);else{let e=Lp.get(r);e||(e=new j(r.array,3),Lp.set(r,e)),l=e;const t=r.usage===x?pl:hl;u=An(t(e,"vec3",3,0))}null===o&&null===l||Ep(()=>{null!==o&&(o.clearUpdateRanges(),o.updateRanges.push(...t.updateRanges),t.version!==o.version&&(o.version=t.version)),r&&null!==l&&(l.clearUpdateRanges(),l.updateRanges.push(...r.updateRanges),r.version!==l.version&&(l.version=r.version))});const d=a.mul(gc).xyz;if(gc.assign(d),s.needsPreviousData()){const r=s.object;Rp(({object:e})=>{Fp.get(e).previousInstanceMatrix.array.set(t.array)});const i=function(e,t,r,s){let i=Fp.get(e);if(void 0===i){const n=t.clone();i={previousInstanceMatrix:n,node:Pp(r,n,s)},Fp.set(e,i)}return i.node}(r,t,s,e);mc.assign(i.mul(mc).xyz)}if(s.hasGeometryAttribute("normal")){const e=Lc(Rc,a);Rc.assign(e)}null!==u&&Up.assign(u)},"void"),Op=gn(([e])=>{const{count:t,instanceMatrix:r,instanceColor:s}=e;Dp(t,r,s)},"void"),Ip=gn(([e,t])=>{const r=_n(ql(td(e),0).x).toConst(),s=_n(t),i=s.mod(r).toConst(),n=s.div(r).toConst();return td(e,Rn(i,n)).rgb}),Vp=gn(([e,t])=>{const r=_n(ql(td(e),0).x).toConst(),s=_n(t).mod(r).toConst(),i=_n(t).div(r).toConst();return td(e,Rn(s,i)).x}),kp=zn("vec3","vBatchColor"),Gp=gn(([e],t)=>{const r=null===t.getDrawIndex()?fl:Tl,s=Vp(e._indirectTexture,_n(r)),i=e._matricesTexture,n=_n(ql(td(i),0).x).toConst(),a=Tn(s).mul(4).toInt().toConst(),o=a.mod(n).toConst(),u=a.div(n).toConst(),l=In(td(i,Rn(o,u)),td(i,Rn(o.add(1),u)),td(i,Rn(o.add(2),u)),td(i,Rn(o.add(3),u))),d=e._colorsTexture;if(null!==d){const e=Ip(d,s);kp.assign(e)}const c=On(l);gc.assign(l.mul(gc));const h=Rc.div(An(c[0].dot(c[0]),c[1].dot(c[1]),c[2].dot(c[2]))),p=c.mul(h).xyz;Rc.assign(p),t.hasGeometryAttribute("tangent")&&fh.mulAssign(c)},"void"),$p=new WeakMap,zp=new WeakMap;function Wp(e,t,r,s,i,n){const a=e.element(i.x),o=e.element(i.y),u=e.element(i.z),l=e.element(i.w),d=r.mul(t),c=Oa(a.mul(n.x).mul(d),o.mul(n.y).mul(d),u.mul(n.z).mul(d),l.mul(n.w).mul(d));return s.mul(c).xyz}function Hp(e,t,r,s,i,n,a){const o=e.element(n.x),u=e.element(n.y),l=e.element(n.z),d=e.element(n.w);let c=Oa(a.x.mul(o),a.y.mul(u),a.z.mul(l),a.w.mul(d));c=i.mul(c).mul(s);return{skinNormal:c.transformDirection(t).xyz,skinTangent:c.transformDirection(r).xyz}}function jp(e,t,r,s,i){const n=e.skeleton;let a=zp.get(n);if(void 0===a){n.update();const e=new Float32Array(n.boneMatrices);a={previousBoneMatrices:e,node:sd(e,"mat4",n.bones.length)},zp.set(n,a)}return Wp(a.node,mc,t,r,s,i)}const qp=gn(([e],t)=>{const r=Wl("skinIndex","uvec4"),s=Wl("skinWeight","vec4"),i=Qc("bindMatrix","mat4"),n=Qc("bindMatrixInverse","mat4"),a=Zc("skeleton.boneMatrices","mat4",e.skeleton.bones.length);if(Rp(({object:e,frameId:t})=>{const r=e.skeleton;if($p.get(r)!==t){$p.set(r,t);const e=zp.get(r);void 0!==e&&e.previousBoneMatrices.set(r.boneMatrices),r.update()}}),t.needsPreviousData()){const t=jp(e,i,n,r,s);mc.assign(t)}const o=Wp(a,gc,i,n,r,s);if(gc.assign(o),t.hasGeometryAttribute("normal")){const{skinNormal:e,skinTangent:o}=Hp(a,Rc,fh,i,n,r,s);Rc.assign(e),t.hasGeometryAttribute("tangent")&&fh.assign(o)}},"void"),Xp=gn(([e,t=null],r)=>{const s=Mp(new j(e.geometry.getAttribute("position").array,3),"vec3").setPBO(!0).toReadOnly().element(fl).toVar(),i=Mp(new j(new Uint32Array(e.geometry.getAttribute("skinIndex").array),4),"uvec4").setPBO(!0).toReadOnly().element(fl).toVar(),n=Mp(new j(e.geometry.getAttribute("skinWeight").array,4),"vec4").setPBO(!0).toReadOnly().element(fl).toVar(),a=Aa(e.bindMatrix,"mat4"),o=Aa(e.bindMatrixInverse,"mat4"),u=sd(e.skeleton.boneMatrices,"mat4",e.skeleton.bones.length),l=e.skeleton;if(Rp(({frameId:e})=>{if($p.get(l)!==e){$p.set(l,e);const t=zp.get(l);void 0!==t&&t.previousBoneMatrices.set(l.boneMatrices),l.update()}}),r.needsPreviousData()){const t=jp(e,a,o,i,n);mc.assign(t)}const d=Wp(u,s,a,o,i,n);if(null!==t&&t.assign(d),r.hasGeometryAttribute("normal")){const{skinNormal:e,skinTangent:t}=Hp(u,Rc,fh,a,o,i,n);Rc.assign(e),r.hasGeometryAttribute("tangent")&&fh.assign(t)}return d});class Yp extends pi{static get type(){return"LoopNode"}constructor(e=[]){super("void"),this.params=e}getVarName(e){return String.fromCharCode("i".charCodeAt(0)+e)}getProperties(e){const t=e.getNodeProperties(this);if(void 0!==t.stackNode)return t;const r={};for(let e=0,t=this.params.length-1;e<t;e++){const t=this.params[e],s=!0!==t.isNode&&t.name||this.getVarName(e),i=!0!==t.isNode&&t.type||"int";r[s]=Ll(s,i)}const s=e.addStack(),i=this.params[this.params.length-1](r);t.returnsNode=i.context({nodeLoop:i}),t.stackNode=s;const n=this.params[0];if(!0!==n.isNode&&"function"==typeof n.update){const e=gn(this.params[0].update)(r);t.updateNode=e.context({nodeLoop:e})}return e.removeStack(),t}setup(e){if(this.getProperties(e),e.fnCall){e.getDataFromNode(e.fnCall.shaderNode).hasLoop=!0}}generate(e){const t=this.getProperties(e),r=this.params,s=t.stackNode;for(let s=0,i=r.length-1;s<i;s++){const i=r[s];let n,a=!1,u=null,l=null,d=null,c=null,h=null,p=null;if(i.isNode?"bool"===i.getNodeType(e)?(a=!0,c="bool",l=i.build(e,c)):(c="int",d=this.getVarName(s),u="0",l=i.build(e,c),h="<"):(c=i.type||"int",d=i.name||this.getVarName(s),u=i.start,l=i.end,h=i.condition,p=i.update,"number"==typeof u?u=e.generateConst(c,u):u&&u.isNode&&(u=u.build(e,c)),"number"==typeof l?l=e.generateConst(c,l):l&&l.isNode&&(l=l.build(e,c)),void 0!==u&&void 0===l?(u+=" - 1",l="0",h=">="):void 0!==l&&void 0===u&&(u="0",h="<"),void 0===h&&(h=Number(u)>Number(l)?">=":"<")),a)n=`while ( ${l} )`;else{const r={start:u,end:l},s=r.start,i=r.end;let a;const g=()=>h.includes("<")?"+=":"-=";if(null!=p)switch(typeof p){case"function":a=e.flowStagesNode(t.updateNode,"void").code.replace(/\t|;/g,"");break;case"number":a=d+" "+g()+" "+e.generateConst(c,p);break;case"string":a=d+" "+p;break;default:p.isNode?a=d+" "+g()+" "+p.build(e):(o("TSL: 'Loop( { update: ... } )' is not a function, string or number.",this.stackTrace),a="break /* invalid update */")}else p="int"===c||"uint"===c?h.includes("<")?"++":"--":g()+" 1.",a=d+" "+p;n=`for ( ${e.getVar(c,d)+" = "+s}; ${d+" "+h+" "+i}; ${a} )`}e.addFlowCode((0===s?"\n":"")+e.tab+n+" {\n\n").addFlowTab()}const i=s.build(e,"void");t.returnsNode.build(e,"void"),e.removeFlowTab().addFlowCode("\n"+e.tab+i);for(let t=0,r=this.params.length-1;t<r;t++)e.addFlowCode((0===t?"":e.tab)+"}\n\n").removeFlowTab();e.addFlowTab()}}const Kp=(...e)=>new Yp(on(e,"int")).toStack(),Qp=()=>Ll("break").toStack(),Zp=new WeakMap,Jp=new s,eg=new WeakMap,tg=gn(({bufferMap:e,influence:t,stride:r,width:s,depth:i,offset:n})=>{const a=_n(ml).mul(r).add(n),o=a.div(s),u=a.sub(o.mul(s));return td(e,Rn(u,o)).depth(i).xyz.mul(t)});const rg=Qc("morphTargetInfluences","float"),sg=gn(([e])=>{const{geometry:r}=e,s=void 0!==r.morphAttributes.position,i=r.hasAttribute("normal")&&void 0!==r.morphAttributes.normal,n=r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color,a=void 0!==n?n.length:0;if(0===a)return;let o=eg.get(e);o||(o=Aa(1),eg.set(e,o),Rp(({object:e})=>{e.geometry.morphTargetsRelative?o.value=1:o.value=1-e.morphTargetInfluences.reduce((e,t)=>e+t,0)}));const{texture:u,stride:l,size:d}=function(e){const r=void 0!==e.morphAttributes.position,s=void 0!==e.morphAttributes.normal,i=void 0!==e.morphAttributes.color,n=e.morphAttributes.position||e.morphAttributes.normal||e.morphAttributes.color,a=void 0!==n?n.length:0;let o=Zp.get(e);if(void 0===o||o.count!==a){void 0!==o&&o.texture.dispose();const u=e.morphAttributes.position||[],l=e.morphAttributes.normal||[],d=e.morphAttributes.color||[];let c=0;!0===r&&(c=1),!0===s&&(c=2),!0===i&&(c=3);let h=e.attributes.position.count*c,p=1;const g=4096;h>g&&(p=Math.ceil(h/g),h=g);const m=new Float32Array(h*p*4*a),f=new X(m,h,p,a);f.type=Y,f.needsUpdate=!0;const y=4*c;for(let x=0;x<a;x++){const T=u[x],_=l[x],v=d[x],N=h*p*4*x;for(let S=0;S<T.count;S++){const R=S*y;!0===r&&(Jp.fromBufferAttribute(T,S),m[N+R+0]=Jp.x,m[N+R+1]=Jp.y,m[N+R+2]=Jp.z,m[N+R+3]=0),!0===s&&(Jp.fromBufferAttribute(_,S),m[N+R+4]=Jp.x,m[N+R+5]=Jp.y,m[N+R+6]=Jp.z,m[N+R+7]=0),!0===i&&(Jp.fromBufferAttribute(v,S),m[N+R+8]=Jp.x,m[N+R+9]=Jp.y,m[N+R+10]=Jp.z,m[N+R+11]=4===v.itemSize?Jp.w:1)}}function b(){f.dispose(),Zp.delete(e),e.removeEventListener("dispose",b)}o={count:a,texture:f,stride:c,size:new t(h,p)},Zp.set(e,o),e.addEventListener("dispose",b)}return o}(r);!0===s&&gc.mulAssign(o),!0===i&&Rc.mulAssign(o);const c=_n(d.width);Kp(a,({i:t})=>{const r=Tn(0).toVar();e.count>1&&null!==e.morphTexture&&void 0!==e.morphTexture?r.assign(td(e.morphTexture,Rn(_n(t).add(1),_n(fl))).r):r.assign(rg.element(t).toVar()),yn(r.notEqual(0),()=>{!0===s&&gc.addAssign(tg({bufferMap:u,influence:r,stride:l,width:c,depth:t,offset:_n(0)})),!0===i&&Rc.addAssign(tg({bufferMap:u,influence:r,stride:l,width:c,depth:t,offset:_n(1)}))})})},"void");class ig extends pi{static get type(){return"LightingNode"}constructor(){super("vec3"),this.isLightingNode=!0}}class ng extends ig{static get type(){return"AONode"}constructor(e=null){super(),this.aoNode=e}setup(e){e.context.ambientOcclusion.mulAssign(this.aoNode)}}class ag extends Bu{static get type(){return"LightingContextNode"}constructor(e,t=null,r=[],s=null,i=null){super(e),this.lightingModel=t,this.materialLightings=r,this.backdropNode=s,this.backdropAlphaNode=i,this._value=null}getContext(){const{materialLightings:e,backdropNode:t,backdropAlphaNode:r}=this,s={directDiffuse:An().toVar("directDiffuse"),directSpecular:An().toVar("directSpecular"),indirectDiffuse:An().toVar("indirectDiffuse"),indirectSpecular:An().toVar("indirectSpecular")};return{radiance:An().toVar("radiance"),irradiance:An().toVar("irradiance"),iblIrradiance:An().toVar("iblIrradiance"),ambientOcclusion:Tn(1).toVar("ambientOcclusion"),reflectedLight:s,materialLightings:e,backdrop:t,backdropAlpha:r}}setup(e){return this.value=this._value||(this._value=this.getContext()),this.value.lightingModel=this.lightingModel||e.context.lightingModel,super.setup(e)}}const og=un(ag);class ug extends ig{static get type(){return"IrradianceNode"}constructor(e){super(),this.node=e}setup(e){e.context.irradiance.addAssign(this.node)}}const lg=new t;class dg extends Zl{static get type(){return"ViewportTextureNode"}constructor(e=pd,t=null,r=null){let s=null;null===r?(s=new K,s.minFilter=Q,r=s):s=r,super(r,e,t),this.generateMipmaps=!1,this.defaultFramebuffer=s,this.isOutputTextureNode=!0,this.updateBeforeType=ii.RENDER,this._cacheTextures=new WeakMap}getTextureForReference(e=null){let t,r;if(this.referenceNode?(t=this.referenceNode.defaultFramebuffer,r=this.referenceNode._cacheTextures):(t=this.defaultFramebuffer,r=this._cacheTextures),null===e)return t;if(!1===r.has(e)){const s=t.clone();r.set(e,s)}return r.get(e)}updateReference(e){const t=e.renderer,r=t.getRenderTarget(),s=t.getCanvasTarget(),i=r||s;return this.value=this.getTextureForReference(i),this.value}updateBefore(e){const t=e.renderer,r=t.getRenderTarget(),s=t.getCanvasTarget(),i=r||s;null===i?t.getDrawingBufferSize(lg):i.getDrawingBufferSize?i.getDrawingBufferSize(lg):lg.set(i.width,i.height);const n=this.getTextureForReference(i);n.image.width===lg.width&&n.image.height===lg.height||(n.image.width=lg.width,n.image.height=lg.height,n.needsUpdate=!0);const a=n.generateMipmaps;n.generateMipmaps=this.generateMipmaps,t.copyFramebufferToTexture(n),n.generateMipmaps=a}clone(){const e=new this.constructor(this.uvNode,this.levelNode,this.value);return e.generateMipmaps=this.generateMipmaps,e}}const cg=un(dg).setParameterLength(0,3),hg=un(dg,null,null,{generateMipmaps:!0}).setParameterLength(0,3),pg=hg(),gg=(e=pd,t=null)=>pg.sample(e,t);let mg=null;class fg extends dg{static get type(){return"ViewportDepthTextureNode"}constructor(e=pd,t=null,r=null){null===r&&(null===mg&&(mg=new Z),r=mg),super(e,t,r)}}const yg=un(fg).setParameterLength(0,3);class bg extends pi{static get type(){return"ViewportDepthNode"}constructor(e,t=null){super("float"),this.scope=e,this.valueNode=t,this.isViewportDepthNode=!0}generate(e){const{scope:t}=this;return t===bg.DEPTH_BASE?e.getFragDepth():super.generate(e)}setup({camera:e}){const{scope:t}=this,r=this.valueNode;let s=null;if(t===bg.DEPTH_BASE)null!==r&&(s=Rg().assign(r));else if(t===bg.DEPTH)s=e.isPerspectiveCamera?_g(bc.z,Dd,Od):xg(bc.z,Dd,Od);else if(t===bg.LINEAR_DEPTH)if(null!==r)if(e.isPerspectiveCamera){const e=Ng(r,Dd,Od);s=xg(e,Dd,Od)}else s=r;else s=xg(bc.z,Dd,Od);return s}}bg.DEPTH_BASE="depthBase",bg.DEPTH="depth",bg.LINEAR_DEPTH="linearDepth";const xg=(e,t,r)=>e.add(t).div(t.sub(r)),Tg=gn(([e,t,r],s)=>!0===s.renderer.reversedDepthBuffer?r.sub(t).mul(e).sub(r):t.sub(r).mul(e).sub(t)),_g=(e,t,r)=>t.add(e).mul(r).div(r.sub(t).mul(e)),vg=(e,t,r)=>t.mul(e.add(r)).div(e.mul(t.sub(r))),Ng=gn(([e,t,r],s)=>!0===s.renderer.reversedDepthBuffer?t.mul(r).div(t.sub(r).mul(e).sub(t)):t.mul(r).div(r.sub(t).mul(e).sub(r))),Sg=(e,t,r)=>{t=t.max(1e-6).toVar();const s=No(e.negate().div(t)),i=No(r.div(t));return s.div(i)},Rg=un(bg,bg.DEPTH_BASE),Eg=ln(bg,bg.DEPTH),wg=un(bg,bg.LINEAR_DEPTH).setParameterLength(0,1),Ag=wg(yg());Eg.assign=e=>Rg(e);class Cg extends pi{static get type(){return"ClippingNode"}constructor(e=Cg.DEFAULT){super(),this.scope=e}setup(e){super.setup(e);const t=e.clippingContext,{intersectionPlanes:r,unionPlanes:s}=t;return this.hardwareClipping=e.hardwareClipping,this.scope===Cg.ALPHA_TO_COVERAGE?this.setupAlphaToCoverage(r,s):this.scope===Cg.HARDWARE?this.setupHardwareClipping(s,e):this.setupDefault(r,s)}setupAlphaToCoverage(e,t){return gn(()=>{const r=Tn().toVar("distanceToPlane"),s=Tn().toVar("distanceToGradient"),i=Tn(1).toVar("clipOpacity"),n=t.length;if(!1===this.hardwareClipping&&n>0){const e=ad(t).setGroup(Ra);Kp(n,({i:t})=>{const n=e.element(t);r.assign(bc.dot(n.xyz).negate().add(n.w)),s.assign(r.fwidth().div(2)),i.mulAssign(_u(s.negate(),s,r))})}const a=e.length;if(a>0){const t=ad(e).setGroup(Ra),n=Tn(1).toVar("intersectionClipOpacity");Kp(a,({i:e})=>{const i=t.element(e);r.assign(bc.dot(i.xyz).negate().add(i.w)),s.assign(r.fwidth().div(2)),n.mulAssign(_u(s.negate(),s,r).oneMinus())}),i.mulAssign(n.oneMinus())}Wn.a.mulAssign(i),Wn.a.equal(0).discard()})()}setupDefault(e,t){return gn(()=>{const r=t.length;if(!1===this.hardwareClipping&&r>0){const e=ad(t).setGroup(Ra);Kp(r,({i:t})=>{const r=e.element(t);bc.dot(r.xyz).greaterThan(r.w).discard()})}const s=e.length;if(s>0){const t=ad(e).setGroup(Ra),r=Nn(!0).toVar("clipped");Kp(s,({i:e})=>{const s=t.element(e);r.assign(bc.dot(s.xyz).greaterThan(s.w).and(r))}),r.discard()}})()}setupHardwareClipping(e,t){const r=e.length;return t.enableHardwareClipping(r),gn(()=>{const s=ad(e).setGroup(Ra),i=ud(t.getClipDistance());Kp(r,({i:e})=>{const t=s.element(e),r=bc.dot(t.xyz).sub(t.w).negate();i.element(e).assign(r)})})()}}Cg.ALPHA_TO_COVERAGE="alphaToCoverage",Cg.DEFAULT="default",Cg.HARDWARE="hardware";const Mg=gn(([e])=>Co(Va(1e4,Mo(Va(17,e.x).add(Va(.1,e.y)))).mul(Oa(.1,$o(Mo(Va(13,e.y).add(e.x))))))),Bg=gn(([e])=>Mg(Sn(Mg(e.xy),e.z))),Lg=gn(([e])=>{const t=su(Wo(qo(e.xyz)),Wo(Xo(e.xyz))),r=Tn(1).div(Tn(.05).mul(t)).toVar("pixScale"),s=Sn(_o(Eo(No(r))),_o(wo(No(r)))),i=Sn(Bg(Eo(s.x.mul(e.xyz))),Bg(Eo(s.y.mul(e.xyz)))),n=Co(No(r)),a=Oa(Va(n.oneMinus(),i.x),Va(n,i.y)),o=ru(n,n.oneMinus()),u=An(a.mul(a).div(Va(2,o).mul(Ia(1,o))),a.sub(Va(.5,o)).div(Ia(1,o)),Ia(1,Ia(1,a).mul(Ia(1,a)).div(Va(2,o).mul(Ia(1,o))))),l=a.lessThan(o.oneMinus()).select(a.lessThan(o).select(u.x,u.y),u.z);return bu(l,1e-6,1)}).setLayout({name:"getAlphaHashThreshold",type:"float",inputs:[{name:"position",type:"vec3"}]});class Fg extends zl{static get type(){return"VertexColorNode"}constructor(e){super(null,"vec4"),this.isVertexColorNode=!0,this.index=e}getAttributeName(){const e=this.index;return"color"+(e>0?e:"")}generate(e){const t=this.getAttributeName(e);let r;return r=!0===e.hasGeometryAttribute(t)?super.generate(e):e.generateConst(this.nodeType,new s(1,1,1,1)),r}serialize(e){super.serialize(e),e.index=this.index}deserialize(e){super.deserialize(e),this.index=e.index}}const Pg=(e=0)=>new Fg(e);class Ug extends J{static get type(){return"NodeMaterial"}get type(){return this.constructor.type}set type(e){}constructor(){super(),this.isNodeMaterial=!0,this.fog=!0,this.lights=!1,this.lightsNode=null,this.envNode=null,this.aoNode=null,this.colorNode=null,this.normalNode=null,this.opacityNode=null,this.backdropNode=null,this.backdropAlphaNode=null,this.alphaTestNode=null,this.maskNode=null,this.maskShadowNode=null,this.positionNode=null,this.geometryNode=null,this.depthNode=null,this.receivedShadowPositionNode=null,this.castShadowPositionNode=null,this.receivedShadowNode=null,this.castShadowNode=null,this.outputNode=null,this.mrtNode=null,this.fragmentNode=null,this.vertexNode=null,this.contextNode=null}_getNodeChildren(){const e=[];for(const t of Object.getOwnPropertyNames(this)){if(!0===t.startsWith("_"))continue;const r=this[t];r&&!0===r.isNode&&e.push({property:t,childNode:r})}return e}customProgramCacheKey(){const e=[];for(const{property:t,childNode:r}of this._getNodeChildren())e.push(Gs(t.slice(0,-4)),r.getCacheKey());return this.type+$s(e)}build(e){this.setup(e)}setupObserver(e){return new Os(e)}setup(e){e.context.setupNormal=()=>Wu(this.setupNormal(e),"NORMAL","vec3"),e.context.setupPositionView=()=>this.setupPositionView(e),e.context.setupModelViewProjection=()=>this.setupModelViewProjection(e);const t=e.renderer,r=t.getRenderTarget();e.addStack();const s=this.setupVertex(e),i=Wu(this.vertexNode||s,"VERTEX");let n;e.context.clipSpace=i,e.stack.outputNode=i,this.setupHardwareClipping(e),null!==this.geometryNode&&(e.stack.outputNode=e.stack.outputNode.bypass(this.geometryNode)),e.addFlow("vertex",e.removeStack()),e.addStack();const a=this.setupClipping(e);if(!0!==this.depthWrite&&!0!==this.depthTest||(null!==r?!0===r.depthBuffer&&this.setupDepth(e):!0===t.depth&&this.setupDepth(e)),null===this.fragmentNode){this.setupDiffuseColor(e),this.setupAmbientOcclusion(e),this.setupVariants(e);const s=this.setupLighting(e);null!==a&&e.stack.addToStack(a);const i=Ln(s,Wn.a).max(0);n=this.setupOutput(e,i),da.assign(n);const o=null!==this.outputNode;if(o&&(n=this.outputNode),e.context.getOutput&&(n=e.context.getOutput(n,e)),null!==r){const e=t.getMRT(),r=this.mrtNode;null!==e?(o&&da.assign(n),n=e,null!==r&&(n=e.merge(r))):null!==r&&(n=r)}}else{let t=this.fragmentNode;!0!==t.isOutputStructNode&&(t=t.convert(e.getOutputType())),n=this.setupOutput(e,t)}e.stack.outputNode=n,e.addFlow("fragment",e.removeStack()),e.observer=this.setupObserver(e)}setupClipping(e){if(null===e.clippingContext)return null;const{unionPlanes:t,intersectionPlanes:r}=e.clippingContext;let s=null;if(t.length>0||r.length>0){const t=e.renderer.currentSamples;this.alphaToCoverage&&t>1?s=new Cg(Cg.ALPHA_TO_COVERAGE):e.stack.addToStack(new Cg)}return s}setupHardwareClipping(e){if(e.hardwareClipping=!1,null===e.clippingContext)return;const t=e.clippingContext.unionPlanes.length;t>0&&t<=8&&e.isAvailable("clipDistance")&&(e.stack.addToStack(new Cg(Cg.HARDWARE)),e.hardwareClipping=!0)}setupDepth(e){const{renderer:t,camera:r}=e;let s=this.depthNode;if(null===s){const e=t.getMRT();e&&e.has("depth")?s=e.get("depth"):!0===t.logarithmicDepthBuffer&&(s=r.isPerspectiveCamera?Sg(bc.z,Dd,Od):xg(bc.z,Dd,Od))}null!==s&&Eg.assign(s).toStack()}setupPositionView(){return uc.mul(gc).xyz}setupModelViewProjection(){return Id.mul(bc)}setupVertex(e){return e.addStack(),this.setupPosition(e),e.context.position=e.removeStack(),vp}setupPosition(e){const{object:t,geometry:r}=e;if((r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color)&&sg(t),!0===t.isSkinnedMesh&&qp(t),this.displacementMap){const e=eh("displacementMap","texture"),t=eh("displacementScale","float"),r=eh("displacementBias","float");gc.addAssign(Rc.normalize().mul(e.x.mul(t).add(r)))}return t.isBatchedMesh&&Gp(t),t.isInstancedMesh&&t.instanceMatrix&&!0===t.instanceMatrix.isInstancedBufferAttribute&&Op(t),null!==this.positionNode&&gc.assign(Wu(this.positionNode,"POSITION","vec3")),gc}setupDiffuseColor(e){const{object:t,geometry:r}=e;null!==this.maskNode&&Nn(this.maskNode).not().discard();let s=this.colorNode?Ln(this.colorNode):Vh;!0===this.vertexColors&&r.hasAttribute("color")&&(s=s.mul(Pg())),t.instanceColor&&(s=Up.mul(s)),t.isBatchedMesh&&t._colorsTexture&&(s=kp.mul(s)),Wn.assign(s);const i=this.opacityNode?Tn(this.opacityNode):$h;Wn.a.assign(Wn.a.mul(i));let n=null;(null!==this.alphaTestNode||this.alphaTest>0)&&(n=null!==this.alphaTestNode?Tn(this.alphaTestNode):Ih,!0===this.alphaToCoverage?(Wn.a=_u(n,n.add(Zo(Wn.a)),Wn.a),Wn.a.lessThanEqual(0).discard()):Wn.a.lessThanEqual(n).discard()),!0===this.alphaHash&&Wn.a.lessThan(Lg(gc)).discard(),e.isOpaque()&&Wn.a.assign(1)}setupVariants(){}setupOutgoingLight(){return!0===this.lights?An(0):Wn.rgb}setupNormal(){return this.normalNode?An(this.normalNode):Kh}setupEnvironment(){let e=null;return this.envNode?e=this.envNode:this.envMap&&(e=this.envMap.isCubeTexture?eh("envMap","cubeTexture"):eh("envMap","texture")),e}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new ug(xp)),t}setupMaterialLightings(e){const t=[];if(!1===e.renderer.lighting.enabled)return t;const r=this.setupEnvironment(e);r&&r.isLightingNode&&t.push(r);const s=this.setupLightMap(e);return s&&s.isLightingNode&&t.push(s),e.context.ambientOcclusion&&t.push(new ng(e.context.ambientOcclusion)),t}setupAmbientOcclusion(e){let t=this.aoNode;null===t&&e.material.aoMap&&(t=Tp),e.context.getAO&&(t=e.context.getAO(t,e)),null!==t&&(Ta.assign(t),e.context.ambientOcclusion=Ta)}setupLightingModel(){}setupLighting(e){const{material:t}=e,{backdropNode:r,backdropAlphaNode:s,emissiveNode:i}=this,n=!0===this.lights||null!==this.lightsNode,a=!0===this.lights?this.setupMaterialLightings(e):[],o=n?this.lightsNode||e.lightsNode:null;let u=this.setupOutgoingLight(e);if(o&&(a.length>0||o.getScope().hasLights)){const t=this.setupLightingModel(e)||null;u=og(o,t,a,r,s)}else null!==r&&(u=An(null!==s?yu(u,r,s):r));return(i&&!0===i.isNode||t.emissive&&!0===t.emissive.isColor)&&(jn.assign(An(i||Gh)),u=u.add(jn)),u}setupFog(e,t){const r=e.fogNode;return r&&(da.assign(t),t=Ln(r.toVar())),t}setupPremultipliedAlpha(e,t){return Pl(t)}setupOutput(e,t){return!0===this.fog&&(t=this.setupFog(e,t)),!0===this.premultipliedAlpha&&(t=this.setupPremultipliedAlpha(e,t)),t}setDefaultValues(e){for(const t in e){const r=e[t];void 0===this[t]&&(this[t]=r,r&&r.clone&&(this[t]=r.clone()))}const t=Object.getOwnPropertyDescriptors(e.constructor.prototype);for(const e in t)void 0===Object.getOwnPropertyDescriptor(this.constructor.prototype,e)&&void 0!==t[e].get&&Object.defineProperty(this.constructor.prototype,e,t[e])}toJSON(e){const t=void 0===e||"string"==typeof e;t&&(e={textures:{},images:{},nodes:{}});const r=J.prototype.toJSON.call(this,e);r.inputNodes={};for(const{property:t,childNode:s}of this._getNodeChildren())r.inputNodes[t]=s.toJSON(e).uuid;function s(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(t){const t=s(e.textures),i=s(e.images),n=s(e.nodes);t.length>0&&(r.textures=t),i.length>0&&(r.images=i),n.length>0&&(r.nodes=n)}return r}copy(e){return this.lightsNode=e.lightsNode,this.envNode=e.envNode,this.aoNode=e.aoNode,this.colorNode=e.colorNode,this.normalNode=e.normalNode,this.opacityNode=e.opacityNode,this.backdropNode=e.backdropNode,this.backdropAlphaNode=e.backdropAlphaNode,this.alphaTestNode=e.alphaTestNode,this.maskNode=e.maskNode,this.maskShadowNode=e.maskShadowNode,this.positionNode=e.positionNode,this.geometryNode=e.geometryNode,this.depthNode=e.depthNode,this.receivedShadowPositionNode=e.receivedShadowPositionNode,this.castShadowPositionNode=e.castShadowPositionNode,this.receivedShadowNode=e.receivedShadowNode,this.castShadowNode=e.castShadowNode,this.outputNode=e.outputNode,this.mrtNode=e.mrtNode,this.fragmentNode=e.fragmentNode,this.vertexNode=e.vertexNode,this.contextNode=e.contextNode,super.copy(e)}}const Dg=new ee;class Og extends Ug{static get type(){return"LineBasicNodeMaterial"}constructor(e){super(),this.isLineBasicNodeMaterial=!0,this.setDefaultValues(Dg),this.setValues(e)}}const Ig=new te;class Vg extends Ug{static get type(){return"LineDashedNodeMaterial"}constructor(e){super(),this.isLineDashedNodeMaterial=!0,this.setDefaultValues(Ig),this.dashOffset=0,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.setValues(e)}setupVariants(){const e=this.offsetNode?Tn(this.offsetNode):fp,t=this.dashScaleNode?Tn(this.dashScaleNode):hp,r=this.dashSizeNode?Tn(this.dashSizeNode):pp,s=this.gapSizeNode?Tn(this.gapSizeNode):gp;ca.assign(r),ha.assign(s);const i=ju(Wl("lineDistance").mul(t));(e?i.add(e):i).mod(ca.add(ha)).greaterThan(ca).discard()}}const kg=new te,Gg=zn("vec3","worldStart"),$g=zn("vec3","worldEnd"),zg=zn("float","lineDistance"),Wg=zn("vec4","worldPos"),Hg=gn(({start:e,end:t})=>{const r=Id.element(2).element(2),s=Id.element(3).element(2);return r.greaterThan(0).select(s.negate().div(r.add(1)),s.mul(-.5).div(r)).sub(e.z).div(t.z.sub(e.z))},{start:"vec4",end:"vec4",return:"float"}),jg=gn(({p1:e,p2:t,p3:r,p4:s})=>{const i=e.sub(r),n=s.sub(r),a=t.sub(e),o=i.dot(n),u=n.dot(a),l=i.dot(a),d=n.dot(n),c=a.dot(a).mul(d).sub(u.mul(u)),h=o.mul(u).sub(l.mul(d)).div(c).clamp(),p=o.add(u.mul(h)).div(d).clamp();return Sn(h,p)},{p1:"vec3",p2:"vec3",p3:"vec3",p4:"vec3",return:"vec2"}),qg=gn(({material:e})=>{const t=e._useDash,r=e._useWorldUnits,s=Wl("instanceStart"),i=Wl("instanceEnd"),n=Ln(uc.mul(Ln(s,1))).toVar("start"),a=Ln(uc.mul(Ln(i,1))).toVar("end");let o,u;t&&(o=Tn(Wl("instanceDistanceStart")).toVar("distanceStart"),u=Tn(Wl("instanceDistanceEnd")).toVar("distanceEnd")),r&&(Gg.assign(n.xyz),$g.assign(a.xyz));const l=fd.z.div(fd.w),d=Id.element(2).element(3).equal(-1);if(yn(d,()=>{yn(n.z.lessThan(0).and(a.z.greaterThan(0)),()=>{const e=Hg({start:n,end:a});a.assign(Ln(yu(n.xyz,a.xyz,e),a.w)),t&&u.assign(yu(o,u,e))}).ElseIf(a.z.lessThan(0).and(n.z.greaterThanEqual(0)),()=>{const e=Hg({start:a,end:n});n.assign(Ln(yu(a.xyz,n.xyz,e),n.w)),t&&o.assign(yu(u,o,e))})}),t){const t=e.dashScaleNode?Tn(e.dashScaleNode):hp,r=e.offsetNode?Tn(e.offsetNode):fp;let s=pc.y.lessThan(.5).select(t.mul(o),t.mul(u));s=s.add(r),zg.assign(s)}const c=Id.mul(n),h=Id.mul(a),p=c.xyz.div(c.w),g=h.xyz.div(h.w),m=g.xy.sub(p.xy).toVar();m.x.assign(m.x.mul(l)),m.assign(m.normalize());const f=Ln().toVar();if(r){const e=a.xyz.sub(n.xyz).normalize(),r=yu(n.xyz,a.xyz,.5).normalize(),s=e.cross(r).normalize(),i=e.cross(s);Wg.assign(pc.y.lessThan(.5).select(n,a));const o=mp.mul(.5);Wg.addAssign(Ln(pc.x.lessThan(0).select(s.mul(o),s.mul(o).negate()),0)),t||(Wg.addAssign(Ln(pc.y.lessThan(.5).select(e.mul(o).negate(),e.mul(o)),0)),Wg.addAssign(Ln(i.mul(o),0)),yn(pc.y.greaterThan(1).or(pc.y.lessThan(0)),()=>{Wg.subAssign(Ln(i.mul(2).mul(o),0))})),f.assign(Id.mul(Wg));const u=An().toVar();u.assign(pc.y.lessThan(.5).select(p,g)),f.z.assign(u.z.mul(f.w))}else{const e=Sn(m.y,m.x.negate()).toVar("offset");m.x.assign(m.x.div(l)),e.x.assign(e.x.div(l)),e.assign(pc.x.lessThan(0).select(e.negate(),e)),yn(pc.y.lessThan(0),()=>{e.assign(e.sub(m))}).ElseIf(pc.y.greaterThan(1),()=>{e.assign(e.add(m))}),e.assign(e.mul(mp)),e.assign(e.div(fd.w.div(hd))),f.assign(pc.y.lessThan(.5).select(c,h)),e.assign(e.mul(f.w)),f.assign(f.add(Ln(e,0,0)))}return f})(),Xg=gn(({material:e,renderer:t})=>{const r=e._useAlphaToCoverage,s=e._useDash,i=e._useWorldUnits,n=Hl();if(s){const t=e.dashSizeNode?Tn(e.dashSizeNode):pp,r=e.gapSizeNode?Tn(e.gapSizeNode):gp;ca.assign(t),ha.assign(r),n.y.lessThan(-1).or(n.y.greaterThan(1)).discard(),zg.mod(ca.add(ha)).greaterThan(ca).discard()}const a=Tn(1).toVar("alpha");if(i){const e=Wg.xyz.normalize().mul(1e5),i=$g.sub(Gg),n=jg({p1:Gg,p2:$g,p3:An(0,0,0),p4:e}),o=Gg.add(i.mul(n.x)),u=e.mul(n.y),l=o.sub(u).length().div(mp);if(!s)if(r&&t.currentSamples>0){const e=l.fwidth();a.assign(_u(e.negate().add(.5),e.add(.5),l).oneMinus())}else l.greaterThan(.5).discard()}else if(r&&t.currentSamples>0){const e=n.x,t=n.y.greaterThan(0).select(n.y.sub(1),n.y.add(1)),r=e.mul(e).add(t.mul(t)),s=Tn(r.fwidth()).toVar("dlen");yn(n.y.abs().greaterThan(1),()=>{a.assign(_u(s.oneMinus(),s.add(1),r).oneMinus())})}else yn(n.y.abs().greaterThan(1),()=>{const e=n.x,t=n.y.greaterThan(0).select(n.y.sub(1),n.y.add(1));e.mul(e).add(t.mul(t)).greaterThan(1).discard()});return a})();class Yg extends Ug{static get type(){return"Line2NodeMaterial"}constructor(e={}){super(),this.isLine2NodeMaterial=!0,this.setDefaultValues(kg),this.vertexColors=e.vertexColors,this.dashOffset=0,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.blending=re,this._useDash=e.dashed,this._useAlphaToCoverage=!0,this._useWorldUnits=!1,this.setValues(e)}setupDiffuseColor(e){if(super.setupDiffuseColor(e),Wn.a.mulAssign(Xg),!0===this.vertexColors&&e.geometry.hasAttribute("instanceColorStart")){const e=Wl("instanceColorStart"),t=Wl("instanceColorEnd"),r=pc.y.lessThan(.5).select(e,t);Wn.rgb.mulAssign(r)}this.transparent&&Wn.rgb.assign(Wn.rgb.mul(Wn.a).add(gg().rgb.mul(Wn.a.oneMinus())))}setupModelViewProjection(){return qg}get lineColorNode(){return this.colorNode}set lineColorNode(e){v('Line2NodeMaterial: "lineColorNode" has been deprecated. Use "colorNode" instead.'),this.colorNode=e}get worldUnits(){return this._useWorldUnits}set worldUnits(e){this._useWorldUnits!==e&&(this._useWorldUnits=e,this.needsUpdate=!0)}get dashed(){return this._useDash}set dashed(e){this._useDash!==e&&(this._useDash=e,this.needsUpdate=!0)}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}copy(e){return super.copy(e),this.vertexColors=e.vertexColors,this.dashOffset=e.dashOffset,this.offsetNode=e.offsetNode,this.dashScaleNode=e.dashScaleNode,this.dashSizeNode=e.dashSizeNode,this.gapSizeNode=e.gapSizeNode,this._useDash=e._useDash,this._useAlphaToCoverage=e._useAlphaToCoverage,this._useWorldUnits=e._useWorldUnits,this}}const Kg=new se;class Qg extends Ug{static get type(){return"MeshNormalNodeMaterial"}constructor(e){super(),this.isMeshNormalNodeMaterial=!0,this.setDefaultValues(Kg),this.setValues(e)}setupDiffuseColor(){const e=this.opacityNode?Tn(this.opacityNode):$h;Wn.assign(Ju(Ln(wh(Cc),e),ie))}}const Zg=gn(([e=yc])=>{const t=e.z.atan(e.x).mul(1/(2*Math.PI)).add(.5),r=e.y.clamp(-1,1).asin().mul(1/Math.PI).add(.5);return Sn(t,r)});class Jg extends ne{constructor(e=1,t={}){super(e,e,t),this.isCubeRenderTarget=!0;const r={width:e,height:e,depth:1},s=[r,r,r,r,r,r];this.texture=new U(s),this._setTextureOptions(t),this.texture.isRenderTargetTexture=!0}fromEquirectangularTexture(e,t){const r=t.minFilter,s=t.generateMipmaps;t.generateMipmaps=!0,this.texture.type=t.type,this.texture.colorSpace=t.colorSpace,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const i=new ae(5,5,5),n=Zg(yc),a=new Ug;a.colorNode=ed(t,n,0),a.side=F,a.blending=re;const o=new oe(i,a),u=new ue;u.add(o),t.minFilter===Q&&(t.minFilter=le);const l=new de(1,10,this),d=e.getMRT();return e.setMRT(null),l.update(e,u),e.setMRT(d),t.minFilter=r,t.generateMipmaps=s,o.geometry.dispose(),o.material.dispose(),this}clear(e,t=!0,r=!0,s=!0){const i=e.getRenderTarget();for(let i=0;i<6;i++)e.setRenderTarget(this,i),e.clear(t,r,s);e.setRenderTarget(i)}}const em=new WeakMap;class tm extends fi{static get type(){return"CubeMapNode"}constructor(e){super("vec3"),this.envNode=e,this._cubeTexture=null,this._cubeTextureNode=Xc(null);const t=new U;t.isRenderTargetTexture=!0,this._defaultTexture=t,this.updateBeforeType=ii.RENDER}updateBefore(e){const{renderer:t,material:r}=e,s=this.envNode;if(s.isTextureNode||s.isMaterialReferenceNode){const e=s.isTextureNode?s.value:r[s.property];if(e&&e.isTexture){const r=e.mapping;if(r===ce||r===he){if(em.has(e)){const t=em.get(e);sm(t,e.mapping),this._cubeTexture=t}else{const r=e.image;if(function(e){return null!=e&&e.height>0}(r)){const s=new Jg(r.height);s.fromEquirectangularTexture(t,e),sm(s.texture,e.mapping),this._cubeTexture=s.texture,em.set(e,s.texture),e.addEventListener("dispose",rm)}else this._cubeTexture=this._defaultTexture}this._cubeTextureNode.value=this._cubeTexture}else this._cubeTextureNode=this.envNode}}}setup(e){return this.updateBefore(e),this._cubeTextureNode}}function rm(e){const t=e.target;t.removeEventListener("dispose",rm);const r=em.get(t);void 0!==r&&(em.delete(t),r.dispose())}function sm(e,t){t===ce?e.mapping=D:t===he&&(e.mapping=O)}const im=un(tm).setParameterLength(1);class nm extends ig{static get type(){return"BasicEnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){e.context.environment=im(this.envNode)}}class am extends ig{static get type(){return"BasicLightMapNode"}constructor(e=null){super(),this.lightMapNode=e}setup(e){const t=Tn(1/Math.PI);e.context.irradianceLightMap=this.lightMapNode.mul(t)}}class om{start(e){e.lightsNode.setupLights(e,e.lightsNode.getLightNodes(e)),this.indirect(e)}finish(){}direct(){}directRectArea(){}indirect(){}ambientOcclusion(){}}class um extends om{constructor(){super()}indirect({context:e}){const t=e.ambientOcclusion,r=e.reflectedLight,s=e.irradianceLightMap;r.indirectDiffuse.assign(Ln(0)),s?r.indirectDiffuse.addAssign(s):r.indirectDiffuse.addAssign(Ln(1,1,1,0)),r.indirectDiffuse.mulAssign(t),r.indirectDiffuse.mulAssign(Wn.rgb)}finish(e){const{material:t,context:r}=e,s=r.outgoingLight,i=e.context.environment;if(i)switch(t.combine){case me:s.rgb.assign(yu(s.rgb,s.rgb.mul(i.rgb),jh.mul(qh)));break;case ge:s.rgb.assign(yu(s.rgb,i.rgb,jh.mul(qh)));break;case pe:s.rgb.addAssign(i.rgb.mul(jh.mul(qh)));break;default:d("BasicLightingModel: Unsupported .combine value:",t.combine)}}}const lm=new fe;class dm extends Ug{static get type(){return"MeshBasicNodeMaterial"}constructor(e){super(),this.isMeshBasicNodeMaterial=!0,this.lights=!0,this.setDefaultValues(lm),this.setValues(e)}setupNormal(){return Nc(wc)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new nm(t):null}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new am(xp)),t}setupOutgoingLight(){return Wn.rgb}setupLightingModel(){return new um}}const cm=gn(({f0:e,f90:t,dotVH:r})=>{const s=r.mul(-5.55473).sub(6.98316).mul(r).exp2();return e.mul(s.oneMinus()).add(t.mul(s))}),hm=gn(e=>e.diffuseColor.mul(1/Math.PI)),pm=gn(({dotNH:e})=>la.mul(Tn(.5)).add(1).mul(Tn(1/Math.PI)).mul(e.pow(la))),gm=gn(({lightDirection:e})=>{const t=e.add(xc).normalize(),r=Cc.dot(t).clamp(),s=xc.dot(t).clamp(),i=cm({f0:aa,f90:1,dotVH:s}),n=Tn(.25),a=pm({dotNH:r});return i.mul(n).mul(a)});class mm extends um{constructor(e=!0){super(),this.specular=e}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=Cc.dot(e).clamp().mul(t);r.directDiffuse.addAssign(s.mul(hm({diffuseColor:Wn.rgb}))),!0===this.specular&&r.directSpecular.addAssign(s.mul(gm({lightDirection:e})).mul(jh))}indirect(e){const{ambientOcclusion:t,irradiance:r,reflectedLight:s}=e.context;s.indirectDiffuse.addAssign(r.mul(hm({diffuseColor:Wn}))),s.indirectDiffuse.mulAssign(t)}}const fm=new ye;class ym extends Ug{static get type(){return"MeshLambertNodeMaterial"}constructor(e){super(),this.isMeshLambertNodeMaterial=!0,this.lights=!0,this.setDefaultValues(fm),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new nm(t):null}setupLightingModel(){return new mm(!1)}}const bm=new be;class xm extends Ug{static get type(){return"MeshPhongNodeMaterial"}constructor(e){super(),this.isMeshPhongNodeMaterial=!0,this.lights=!0,this.shininessNode=null,this.specularNode=null,this.setDefaultValues(bm),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new nm(t):null}setupLightingModel(){return new mm}setupVariants(){const e=(this.shininessNode?Tn(this.shininessNode):kh).max(1e-4);la.assign(e);const t=this.specularNode||zh;aa.assign(t)}copy(e){return this.shininessNode=e.shininessNode,this.specularNode=e.specularNode,super.copy(e)}}const Tm=gn(e=>{if(!1===e.geometry.hasAttribute("normal"))return Tn(0);const t=wc.dFdx().abs().max(wc.dFdy().abs());return t.x.max(t.y).max(t.z)}),_m=gn(e=>{const{roughness:t}=e,r=Tm();let s=t.max(.0525);return s=s.add(r),s=s.min(1),s}),vm=gn(({alpha:e,dotNL:t,dotNV:r})=>{const s=e.pow2(),i=t.mul(s.add(s.oneMinus().mul(r.pow2())).sqrt()),n=r.mul(s.add(s.oneMinus().mul(t.pow2())).sqrt());return ka(.5,i.add(n).max(lo))}).setLayout({name:"V_GGX_SmithCorrelated",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNL",type:"float"},{name:"dotNV",type:"float"}]}),Nm=gn(({alphaT:e,alphaB:t,dotTV:r,dotBV:s,dotTL:i,dotBL:n,dotNV:a,dotNL:o})=>{const u=o.mul(An(e.mul(r),t.mul(s),a).length()),l=a.mul(An(e.mul(i),t.mul(n),o).length());return ka(.5,u.add(l).max(lo))}).setLayout({name:"V_GGX_SmithCorrelated_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotTV",type:"float",qualifier:"in"},{name:"dotBV",type:"float",qualifier:"in"},{name:"dotTL",type:"float",qualifier:"in"},{name:"dotBL",type:"float",qualifier:"in"},{name:"dotNV",type:"float",qualifier:"in"},{name:"dotNL",type:"float",qualifier:"in"}]}),Sm=gn(({alpha:e,dotNH:t})=>{const r=e.pow2(),s=t.pow2().mul(r.oneMinus()).oneMinus();return r.div(s.pow2()).mul(1/Math.PI)}).setLayout({name:"D_GGX",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNH",type:"float"}]}),Rm=Tn(1/Math.PI),Em=gn(({alphaT:e,alphaB:t,dotNH:r,dotTH:s,dotBH:i})=>{const n=e.mul(t),a=An(t.mul(s),e.mul(i),n.mul(r)),o=a.dot(a),u=n.div(o);return Rm.mul(n.mul(u.pow2()))}).setLayout({name:"D_GGX_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotNH",type:"float",qualifier:"in"},{name:"dotTH",type:"float",qualifier:"in"},{name:"dotBH",type:"float",qualifier:"in"}]}),wm=gn(({lightDirection:e,f0:t,f90:r,roughness:s,f:i,normalView:n=Cc,USE_IRIDESCENCE:a,USE_ANISOTROPY:o})=>{const u=s.pow2(),l=e.add(xc).normalize(),d=n.dot(e).clamp(),c=n.dot(xc).clamp(),h=n.dot(l).clamp(),p=xc.dot(l).clamp();let g,m,f=cm({f0:t,f90:r,dotVH:p});if(en(a)&&(f=Jn.mix(f,i)),en(o)){const t=ia.dot(e),r=ia.dot(xc),s=ia.dot(l),i=na.dot(e),n=na.dot(xc),a=na.dot(l);g=Nm({alphaT:ra,alphaB:u,dotTV:r,dotBV:n,dotTL:t,dotBL:i,dotNV:c,dotNL:d}),m=Em({alphaT:ra,alphaB:u,dotNH:h,dotTH:s,dotBH:a})}else g=vm({alpha:u,dotNL:d,dotNV:c}),m=Sm({alpha:u,dotNH:h});return f.mul(g).mul(m)}),Am=new 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Cm=null;const Mm=gn(({roughness:e,dotNV:t})=>{null===Cm&&(Cm=new xe(Am,16,16,z,Te),Cm.name="DFG_LUT",Cm.minFilter=le,Cm.magFilter=le,Cm.wrapS=_e,Cm.wrapT=_e,Cm.generateMipmaps=!1,Cm.needsUpdate=!0);const r=Sn(e,t);return ed(Cm,r).rg}),Bm=gn(({lightDirection:e,f0:t,f90:r,roughness:s,f:i,USE_IRIDESCENCE:n,USE_ANISOTROPY:a})=>{const o=wm({lightDirection:e,f0:t,f90:r,roughness:s,f:i,USE_IRIDESCENCE:n,USE_ANISOTROPY:a}),u=Cc.dot(e).clamp(),l=Cc.dot(xc).clamp(),d=Mm({roughness:s,dotNV:l}),c=Mm({roughness:s,dotNV:u}),h=t.mul(d.x).add(r.mul(d.y)),p=t.mul(c.x).add(r.mul(c.y)),g=d.x.add(d.y),m=c.x.add(c.y),f=Tn(1).sub(g),y=Tn(1).sub(m),b=t.add(t.oneMinus().mul(.047619)),x=h.mul(p).mul(b).div(Tn(1).sub(f.mul(y).mul(b).mul(b)).add(lo)),T=f.mul(y),_=x.mul(T);return o.add(_)}),Lm=gn(e=>{const{dotNV:t,specularColor:r,specularF90:s,roughness:i}=e,n=Mm({dotNV:t,roughness:i});return r.mul(n.x).add(s.mul(n.y))}),Fm=gn(({f:e,f90:t,dotVH:r})=>{const s=r.oneMinus().saturate(),i=s.mul(s),n=s.mul(i,i).clamp(0,.9999);return e.sub(An(t).mul(n)).div(n.oneMinus())}).setLayout({name:"Schlick_to_F0",type:"vec3",inputs:[{name:"f",type:"vec3"},{name:"f90",type:"float"},{name:"dotVH",type:"float"}]}),Pm=gn(({roughness:e,dotNH:t})=>{const r=e.pow2(),s=Tn(1).div(r),i=t.pow2().oneMinus().max(.0078125);return Tn(2).add(s).mul(i.pow(s.mul(.5))).div(2*Math.PI)}).setLayout({name:"D_Charlie",type:"float",inputs:[{name:"roughness",type:"float"},{name:"dotNH",type:"float"}]}),Um=gn(({dotNV:e,dotNL:t})=>Tn(1).div(Tn(4).mul(t.add(e).sub(t.mul(e))))).setLayout({name:"V_Neubelt",type:"float",inputs:[{name:"dotNV",type:"float"},{name:"dotNL",type:"float"}]}),Dm=gn(({lightDirection:e})=>{const t=e.add(xc).normalize(),r=Cc.dot(e).clamp(),s=Cc.dot(xc).clamp(),i=Cc.dot(t).clamp(),n=Pm({roughness:Zn,dotNH:i}),a=Um({dotNV:s,dotNL:r});return Qn.mul(n).mul(a)}),Om=gn(({N:e,V:t,roughness:r})=>{const s=e.dot(t).saturate(),i=Sn(r,s.oneMinus().sqrt());return i.assign(i.mul(.984375).add(.0078125)),i}).setLayout({name:"LTC_Uv",type:"vec2",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"roughness",type:"float"}]}),Im=gn(({f:e})=>{const t=e.length();return su(t.mul(t).add(e.z).div(t.add(1)),0)}).setLayout({name:"LTC_ClippedSphereFormFactor",type:"float",inputs:[{name:"f",type:"vec3"}]}),Vm=gn(({v1:e,v2:t})=>{const r=e.dot(t),s=r.abs().toVar(),i=s.mul(.0145206).add(.4965155).mul(s).add(.8543985).toVar(),n=s.add(4.1616724).mul(s).add(3.417594).toVar(),a=i.div(n),o=r.greaterThan(0).select(a,su(r.mul(r).oneMinus(),1e-7).inverseSqrt().mul(.5).sub(a));return e.cross(t).mul(o)}).setLayout({name:"LTC_EdgeVectorFormFactor",type:"vec3",inputs:[{name:"v1",type:"vec3"},{name:"v2",type:"vec3"}]}),km=gn(({N:e,V:t,P:r,mInv:s,p0:i,p1:n,p2:a,p3:o})=>{const u=n.sub(i).toVar(),l=o.sub(i).toVar(),d=u.cross(l),c=An().toVar();return yn(d.dot(r.sub(i)).greaterThanEqual(0),()=>{const u=t.sub(e.mul(t.dot(e))).normalize(),l=e.cross(u).negate(),d=s.mul(On(u,l,e).transpose()).toVar(),h=d.mul(i.sub(r)).normalize().toVar(),p=d.mul(n.sub(r)).normalize().toVar(),g=d.mul(a.sub(r)).normalize().toVar(),m=d.mul(o.sub(r)).normalize().toVar(),f=An(0).toVar();f.addAssign(Vm({v1:h,v2:p})),f.addAssign(Vm({v1:p,v2:g})),f.addAssign(Vm({v1:g,v2:m})),f.addAssign(Vm({v1:m,v2:h})),c.assign(An(Im({f:f})))}),c}).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"P",type:"vec3"},{name:"mInv",type:"mat3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),Gm=gn(({P:e,p0:t,p1:r,p2:s,p3:i})=>{const n=r.sub(t).toVar(),a=i.sub(t).toVar(),o=n.cross(a),u=An().toVar();return yn(o.dot(e.sub(t)).greaterThanEqual(0),()=>{const n=t.sub(e).normalize().toVar(),a=r.sub(e).normalize().toVar(),o=s.sub(e).normalize().toVar(),l=i.sub(e).normalize().toVar(),d=An(0).toVar();d.addAssign(Vm({v1:n,v2:a})),d.addAssign(Vm({v1:a,v2:o})),d.addAssign(Vm({v1:o,v2:l})),d.addAssign(Vm({v1:l,v2:n})),u.assign(An(Im({f:d.abs()})))}),u}).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"P",type:"vec3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),$m=1/6,zm=e=>Va($m,Va(e,Va(e,e.negate().add(3)).sub(3)).add(1)),Wm=e=>Va($m,Va(e,Va(e,Va(3,e).sub(6))).add(4)),Hm=e=>Va($m,Va(e,Va(e,Va(-3,e).add(3)).add(3)).add(1)),jm=e=>Va($m,du(e,3)),qm=e=>zm(e).add(Wm(e)),Xm=e=>Hm(e).add(jm(e)),Ym=e=>Oa(-1,Wm(e).div(zm(e).add(Wm(e)))),Km=e=>Oa(1,jm(e).div(Hm(e).add(jm(e)))),Qm=(e,t,r)=>{const s=e.uvNode,i=Va(s,t.zw).add(.5),n=Eo(i),a=Co(i),o=qm(a.x),u=Xm(a.x),l=Ym(a.x),d=Km(a.x),c=Ym(a.y),h=Km(a.y),p=Sn(n.x.add(l),n.y.add(c)).sub(.5).mul(t.xy),g=Sn(n.x.add(d),n.y.add(c)).sub(.5).mul(t.xy),m=Sn(n.x.add(l),n.y.add(h)).sub(.5).mul(t.xy),f=Sn(n.x.add(d),n.y.add(h)).sub(.5).mul(t.xy),y=qm(a.y).mul(Oa(o.mul(e.sample(p).level(r)),u.mul(e.sample(g).level(r)))),b=Xm(a.y).mul(Oa(o.mul(e.sample(m).level(r)),u.mul(e.sample(f).level(r))));return y.add(b)},Zm=gn(([e,t])=>{const r=Sn(e.size(_n(t))),s=Sn(e.size(_n(t.add(1)))),i=ka(1,r),n=ka(1,s),a=Qm(e,Ln(i,r),Eo(t)),o=Qm(e,Ln(n,s),wo(t));return Co(t).mix(a,o)}),Jm=gn(([e,t])=>{const r=t.mul(Yl(e));return Zm(e,r)}),ef=gn(([e,t,r,s,i])=>{const n=An(Tu(t.negate(),Ao(e),ka(1,s))),a=An(Wo(i[0].xyz),Wo(i[1].xyz),Wo(i[2].xyz));return Ao(n).mul(r.mul(a))}).setLayout({name:"getVolumeTransmissionRay",type:"vec3",inputs:[{name:"n",type:"vec3"},{name:"v",type:"vec3"},{name:"thickness",type:"float"},{name:"ior",type:"float"},{name:"modelMatrix",type:"mat4"}]}),tf=gn(([e,t])=>e.mul(bu(t.mul(2).sub(2),0,1))).setLayout({name:"applyIorToRoughness",type:"float",inputs:[{name:"roughness",type:"float"},{name:"ior",type:"float"}]}),rf=hg(),sf=gg(),nf=gn(([e,t,r],{material:s})=>{const i=(s.side===F?rf:sf).sample(e),n=No(gd.x).mul(tf(t,r));return Zm(i,n)}),af=gn(([e,t,r])=>(yn(r.notEqual(0),()=>{const s=vo(t).negate().div(r);return To(s.negate().mul(e))}),An(1))).setLayout({name:"volumeAttenuation",type:"vec3",inputs:[{name:"transmissionDistance",type:"float"},{name:"attenuationColor",type:"vec3"},{name:"attenuationDistance",type:"float"}]}),of=gn(([e,t,r,s,i,n,a,o,u,l,d,c,h,p,g])=>{let m,f;if(g){m=Ln().toVar(),f=An().toVar();const i=d.sub(1).mul(g.mul(.025)),n=An(d.sub(i),d,d.add(i));Kp({start:0,end:3},({i:i})=>{const d=n.element(i),g=ef(e,t,c,d,o),y=a.add(g),b=l.mul(u.mul(Ln(y,1))),x=Sn(b.xy.div(b.w)).toVar();x.addAssign(1),x.divAssign(2),x.assign(Sn(x.x,x.y.oneMinus()));const T=nf(x,r,d);m.element(i).assign(T.element(i)),m.a.addAssign(T.a),f.element(i).assign(s.element(i).mul(af(Wo(g),h,p).element(i)))}),m.a.divAssign(3)}else{const i=ef(e,t,c,d,o),n=a.add(i),g=l.mul(u.mul(Ln(n,1))),y=Sn(g.xy.div(g.w)).toVar();y.addAssign(1),y.divAssign(2),y.assign(Sn(y.x,y.y.oneMinus())),m=nf(y,r,d),f=s.mul(af(Wo(i),h,p))}const y=f.rgb.mul(m.rgb),b=e.dot(t).clamp(),x=An(Lm({dotNV:b,specularColor:i,specularF90:n,roughness:r})),T=f.r.add(f.g,f.b).div(3);return Ln(x.oneMinus().mul(y),m.a.oneMinus().mul(T).oneMinus())}),uf=On(3.2404542,-.969266,.0556434,-1.5371385,1.8760108,-.2040259,-.4985314,.041556,1.0572252),lf=(e,t)=>e.sub(t).div(e.add(t)).pow2(),df=gn(({outsideIOR:e,eta2:t,cosTheta1:r,thinFilmThickness:s,baseF0:i})=>{const n=yu(e,t,_u(0,.03,s)),a=e.div(n).pow2().mul(r.pow2().oneMinus()).oneMinus();yn(a.lessThan(0),()=>An(1));const o=a.sqrt(),u=lf(n,e),l=cm({f0:u,f90:1,dotVH:r}),d=l.oneMinus(),c=n.lessThan(e).select(Math.PI,0),h=Tn(Math.PI).sub(c),p=(e=>{const t=e.sqrt();return An(1).add(t).div(An(1).sub(t))})(i.clamp(0,.9999)),g=lf(p,n.toVec3()),m=cm({f0:g,f90:1,dotVH:o}),f=An(p.x.lessThan(n).select(Math.PI,0),p.y.lessThan(n).select(Math.PI,0),p.z.lessThan(n).select(Math.PI,0)),y=n.mul(s,o,2),b=An(h).add(f),x=l.mul(m).clamp(1e-5,.9999),T=x.sqrt(),_=d.pow2().mul(m).div(An(1).sub(x)),v=l.add(_).toVar(),N=_.sub(d).toVar();return Kp({start:1,end:2,condition:"<=",name:"m"},({m:e})=>{N.mulAssign(T);const t=((e,t)=>{const r=e.mul(2*Math.PI*1e-9),s=An(54856e-17,44201e-17,52481e-17),i=An(1681e3,1795300,2208400),n=An(43278e5,93046e5,66121e5),a=Tn(9747e-17*Math.sqrt(2*Math.PI*45282e5)).mul(r.mul(2239900).add(t.x).cos()).mul(r.pow2().mul(-45282e5).exp());let o=s.mul(n.mul(2*Math.PI).sqrt()).mul(i.mul(r).add(t).cos()).mul(r.pow2().negate().mul(n).exp());return o=An(o.x.add(a),o.y,o.z).div(1.0685e-7),uf.mul(o)})(Tn(e).mul(y),Tn(e).mul(b)).mul(2);v.addAssign(N.mul(t))}),v.max(An(0))}).setLayout({name:"evalIridescence",type:"vec3",inputs:[{name:"outsideIOR",type:"float"},{name:"eta2",type:"float"},{name:"cosTheta1",type:"float"},{name:"thinFilmThickness",type:"float"},{name:"baseF0",type:"vec3"}]}),cf=gn(({normal:e,viewDir:t,roughness:r})=>{const s=e.dot(t).saturate(),i=r.mul(r),n=r.add(.1).reciprocal(),a=Tn(-1.9362).add(r.mul(1.0678)).add(i.mul(.4573)).sub(n.mul(.8469)),o=Tn(-.6014).add(r.mul(.5538)).sub(i.mul(.467)).sub(n.mul(.1255));return a.mul(s).add(o).exp().saturate()}),hf=An(.04),pf=Tn(1);class gf extends om{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1){super(),this.clearcoat=e,this.sheen=t,this.iridescence=r,this.anisotropy=s,this.transmission=i,this.dispersion=n,this.clearcoatRadiance=null,this.clearcoatSpecularDirect=null,this.clearcoatSpecularIndirect=null,this.sheenSpecularDirect=null,this.sheenSpecularIndirect=null,this.iridescenceFresnel=null,this.iridescenceF0=null,this.iridescenceF0Dielectric=null,this.iridescenceF0Metallic=null}start(e){if(!0===this.clearcoat&&(this.clearcoatRadiance=An().toVar("clearcoatRadiance"),this.clearcoatSpecularDirect=An().toVar("clearcoatSpecularDirect"),this.clearcoatSpecularIndirect=An().toVar("clearcoatSpecularIndirect")),!0===this.sheen&&(this.sheenSpecularDirect=An().toVar("sheenSpecularDirect"),this.sheenSpecularIndirect=An().toVar("sheenSpecularIndirect")),!0===this.iridescence){const e=Cc.dot(xc).clamp(),t=df({outsideIOR:Tn(1),eta2:ea,cosTheta1:e,thinFilmThickness:ta,baseF0:aa}),r=df({outsideIOR:Tn(1),eta2:ea,cosTheta1:e,thinFilmThickness:ta,baseF0:Wn.rgb});this.iridescenceFresnel=yu(t,r,Xn),this.iridescenceF0Dielectric=Fm({f:t,f90:1,dotVH:e}),this.iridescenceF0Metallic=Fm({f:r,f90:1,dotVH:e}),this.iridescenceF0=yu(this.iridescenceF0Dielectric,this.iridescenceF0Metallic,Xn)}if(!0===this.transmission){const t=fc,r=zd.sub(fc).normalize(),s=Mc,i=e.context;i.backdrop=of(s,r,qn,Hn,oa,ua,t,tc,kd,Id,ga,fa,ba,ya,this.dispersion?xa:null),i.backdropAlpha=ma,Wn.a.mulAssign(yu(1,i.backdrop.a,ma))}super.start(e)}computeMultiscattering(e,t,r,s,i=null){const n=Cc.dot(xc).clamp(),a=Mm({roughness:qn,dotNV:n}),o=i?Jn.mix(s,i):s,u=o.mul(a.x).add(r.mul(a.y)),l=a.x.add(a.y).oneMinus(),d=o.add(o.oneMinus().mul(.047619)),c=u.mul(d).div(l.mul(d).oneMinus());e.addAssign(u),t.addAssign(c.mul(l))}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=Cc.dot(e).clamp().mul(t).toVar();if(!0===this.sheen){this.sheenSpecularDirect.addAssign(s.mul(Dm({lightDirection:e})));const t=cf({normal:Cc,viewDir:xc,roughness:Zn}),r=cf({normal:Cc,viewDir:e,roughness:Zn}),i=Qn.r.max(Qn.g).max(Qn.b).mul(t.max(r)).oneMinus();s.mulAssign(i)}if(!0===this.clearcoat){const r=Bc.dot(e).clamp().mul(t);this.clearcoatSpecularDirect.addAssign(r.mul(wm({lightDirection:e,f0:hf,f90:pf,roughness:Kn,normalView:Bc})))}r.directDiffuse.addAssign(s.mul(hm({diffuseColor:Hn}))),r.directSpecular.addAssign(s.mul(Bm({lightDirection:e,f0:oa,f90:1,roughness:qn,f:this.iridescenceFresnel,USE_IRIDESCENCE:this.iridescence,USE_ANISOTROPY:this.anisotropy})))}directRectArea({lightColor:e,lightPosition:t,halfWidth:r,halfHeight:s,reflectedLight:i,ltc_1:n,ltc_2:a}){const o=t.add(r).sub(s),u=t.sub(r).sub(s),l=t.sub(r).add(s),d=t.add(r).add(s),c=Cc,h=xc,p=bc.toVar(),g=Om({N:c,V:h,roughness:qn}),m=n.sample(g).toVar(),f=a.sample(g).toVar(),y=On(An(m.x,0,m.y),An(0,1,0),An(m.z,0,m.w)).toVar(),b=oa.mul(f.x).add(ua.sub(oa).mul(f.y)).toVar();if(i.directSpecular.addAssign(e.mul(b).mul(km({N:c,V:h,P:p,mInv:y,p0:o,p1:u,p2:l,p3:d}))),i.directDiffuse.addAssign(e.mul(Hn).mul(km({N:c,V:h,P:p,mInv:On(1,0,0,0,1,0,0,0,1),p0:o,p1:u,p2:l,p3:d}))),!0===this.clearcoat){const t=Bc,r=Om({N:t,V:h,roughness:Kn}),s=n.sample(r),i=a.sample(r),c=On(An(s.x,0,s.y),An(0,1,0),An(s.z,0,s.w)),g=hf.mul(i.x).add(pf.sub(hf).mul(i.y));this.clearcoatSpecularDirect.addAssign(e.mul(g).mul(km({N:t,V:h,P:p,mInv:c,p0:o,p1:u,p2:l,p3:d})))}}indirect(e){this.indirectDiffuse(e),this.indirectSpecular(e),this.ambientOcclusion(e)}indirectDiffuse(e){const{irradiance:t,reflectedLight:r}=e.context,s=t.mul(hm({diffuseColor:Hn})).toVar();if(!0===this.sheen){const e=cf({normal:Cc,viewDir:xc,roughness:Zn}),t=Qn.r.max(Qn.g).max(Qn.b).mul(e).oneMinus();s.mulAssign(t)}r.indirectDiffuse.addAssign(s)}indirectSpecular(e){const{radiance:t,iblIrradiance:r,reflectedLight:s}=e.context;if(!0===this.sheen&&this.sheenSpecularIndirect.addAssign(r.mul(Qn,cf({normal:Cc,viewDir:xc,roughness:Zn}))),!0===this.clearcoat){const e=Bc.dot(xc).clamp(),t=Lm({dotNV:e,specularColor:hf,specularF90:pf,roughness:Kn});this.clearcoatSpecularIndirect.addAssign(this.clearcoatRadiance.mul(t))}const i=An().toVar("singleScatteringDielectric"),n=An().toVar("multiScatteringDielectric"),a=An().toVar("singleScatteringMetallic"),o=An().toVar("multiScatteringMetallic");this.computeMultiscattering(i,n,ua,aa,this.iridescenceF0Dielectric),this.computeMultiscattering(a,o,ua,Wn.rgb,this.iridescenceF0Metallic);const u=yu(i,a,Xn),l=yu(n,o,Xn),d=i.add(n),c=Hn.mul(d.oneMinus()),h=r.mul(1/Math.PI),p=t.mul(u).add(l.mul(h)).toVar(),g=c.mul(h).toVar();if(!0===this.sheen){const e=cf({normal:Cc,viewDir:xc,roughness:Zn}),t=Qn.r.max(Qn.g).max(Qn.b).mul(e).oneMinus();p.mulAssign(t),g.mulAssign(t)}s.indirectSpecular.addAssign(p),s.indirectDiffuse.addAssign(g)}ambientOcclusion(e){const{ambientOcclusion:t,reflectedLight:r}=e.context,s=Cc.dot(xc).clamp().add(t),i=qn.mul(-16).oneMinus().negate().exp2(),n=t.sub(s.pow(i).oneMinus()).clamp();!0===this.clearcoat&&this.clearcoatSpecularIndirect.mulAssign(t),!0===this.sheen&&this.sheenSpecularIndirect.mulAssign(t),r.indirectDiffuse.mulAssign(t),r.indirectSpecular.mulAssign(n)}finish({context:e}){const{outgoingLight:t}=e;if(!0===this.clearcoat){const e=Bc.dot(xc).clamp(),r=cm({dotVH:e,f0:hf,f90:pf}),s=t.mul(Yn.mul(r).oneMinus()).add(this.clearcoatSpecularDirect.add(this.clearcoatSpecularIndirect).mul(Yn));t.assign(s)}if(!0===this.sheen){const e=t.add(this.sheenSpecularDirect,this.sheenSpecularIndirect.mul(1/Math.PI));t.assign(e)}}}const mf=Tn(1),ff=Tn(-2),yf=Tn(.8),bf=Tn(-1),xf=Tn(.4),Tf=Tn(2),_f=Tn(.305),vf=Tn(3),Nf=Tn(.21),Sf=Tn(4),Rf=Tn(4),Ef=Tn(16),wf=gn(([e])=>{const t=An($o(e)).toVar(),r=Tn(-1).toVar();return yn(t.x.greaterThan(t.z),()=>{yn(t.x.greaterThan(t.y),()=>{r.assign(Mu(e.x.greaterThan(0),0,3))}).Else(()=>{r.assign(Mu(e.y.greaterThan(0),1,4))})}).Else(()=>{yn(t.z.greaterThan(t.y),()=>{r.assign(Mu(e.z.greaterThan(0),2,5))}).Else(()=>{r.assign(Mu(e.y.greaterThan(0),1,4))})}),r}).setLayout({name:"getFace",type:"float",inputs:[{name:"direction",type:"vec3"}]}),Af=gn(([e,t])=>{const r=Sn().toVar();return yn(t.equal(0),()=>{r.assign(Sn(e.z,e.y).div($o(e.x)))}).ElseIf(t.equal(1),()=>{r.assign(Sn(e.x.negate(),e.z.negate()).div($o(e.y)))}).ElseIf(t.equal(2),()=>{r.assign(Sn(e.x.negate(),e.y).div($o(e.z)))}).ElseIf(t.equal(3),()=>{r.assign(Sn(e.z.negate(),e.y).div($o(e.x)))}).ElseIf(t.equal(4),()=>{r.assign(Sn(e.x.negate(),e.z).div($o(e.y)))}).Else(()=>{r.assign(Sn(e.x,e.y).div($o(e.z)))}),Va(.5,r.add(1))}).setLayout({name:"getUV",type:"vec2",inputs:[{name:"direction",type:"vec3"},{name:"face",type:"float"}]}),Cf=gn(([e])=>{const t=Tn(0).toVar();return yn(e.greaterThanEqual(yf),()=>{t.assign(mf.sub(e).mul(bf.sub(ff)).div(mf.sub(yf)).add(ff))}).ElseIf(e.greaterThanEqual(xf),()=>{t.assign(yf.sub(e).mul(Tf.sub(bf)).div(yf.sub(xf)).add(bf))}).ElseIf(e.greaterThanEqual(_f),()=>{t.assign(xf.sub(e).mul(vf.sub(Tf)).div(xf.sub(_f)).add(Tf))}).ElseIf(e.greaterThanEqual(Nf),()=>{t.assign(_f.sub(e).mul(Sf.sub(vf)).div(_f.sub(Nf)).add(vf))}).Else(()=>{t.assign(Tn(-2).mul(No(Va(1.16,e))))}),t}).setLayout({name:"roughnessToMip",type:"float",inputs:[{name:"roughness",type:"float"}]}),Mf=gn(([e,t])=>{const r=e.toVar();r.assign(Va(2,r).sub(1));const s=An(r,1).toVar();return yn(t.equal(0),()=>{s.assign(s.zyx)}).ElseIf(t.equal(1),()=>{s.assign(s.xzy),s.xz.mulAssign(-1)}).ElseIf(t.equal(2),()=>{s.x.mulAssign(-1)}).ElseIf(t.equal(3),()=>{s.assign(s.zyx),s.xz.mulAssign(-1)}).ElseIf(t.equal(4),()=>{s.assign(s.xzy),s.xy.mulAssign(-1)}).ElseIf(t.equal(5),()=>{s.z.mulAssign(-1)}),s}).setLayout({name:"getDirection",type:"vec3",inputs:[{name:"uv",type:"vec2"},{name:"face",type:"float"}]}),Bf=gn(([e,t,r,s,i,n])=>{const a=Tn(r),o=An(t),u=bu(Cf(a),ff,n),l=Co(u),d=Eo(u),c=An(Lf(e,o,d,s,i,n)).toVar();return yn(l.notEqual(0),()=>{const t=An(Lf(e,o,d.add(1),s,i,n)).toVar();c.assign(yu(c,t,l))}),c}),Lf=gn(([e,t,r,s,i,n])=>{const a=Tn(r).toVar(),o=An(t),u=Tn(wf(o)).toVar(),l=Tn(su(Rf.sub(a),0)).toVar();a.assign(su(a,Rf));const d=Tn(_o(a)).toVar(),c=Sn(Af(o,u).mul(d.sub(2)).add(1)).toVar();return yn(u.greaterThan(2),()=>{c.y.addAssign(d),u.subAssign(3)}),c.x.addAssign(u.mul(d)),c.x.addAssign(l.mul(Va(3,Ef))),c.y.addAssign(Va(4,_o(n).sub(d))),c.x.mulAssign(s),c.y.mulAssign(i),e.sample(c).grad(Sn(),Sn())}),Ff=gn(({envMap:e,mipInt:t,outputDirection:r,theta:s,axis:i,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:a,CUBEUV_MAX_MIP:o})=>{const u=Lo(s),l=r.mul(u).add(i.cross(r).mul(Mo(s))).add(i.mul(i.dot(r).mul(u.oneMinus())));return Lf(e,l,t,n,a,o)}),Pf=gn(({n:e,latitudinal:t,poleAxis:r,outputDirection:s,weights:i,samples:n,dTheta:a,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})=>{const h=An(Mu(t,r,lu(r,s))).toVar();yn(h.equal(An(0)),()=>{h.assign(An(s.z,0,s.x.negate()))}),h.assign(Ao(h));const p=An().toVar();return p.addAssign(i.element(0).mul(Ff({theta:0,axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),Kp({start:_n(1),end:e},({i:e})=>{yn(e.greaterThanEqual(n),()=>{Qp()});const t=Tn(a.mul(Tn(e))).toVar();p.addAssign(i.element(e).mul(Ff({theta:t.mul(-1),axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),p.addAssign(i.element(e).mul(Ff({theta:t,axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})))}),Ln(p,1)}),Uf=gn(([e])=>{const t=vn(e).toVar();return t.assign(t.shiftLeft(vn(16)).bitOr(t.shiftRight(vn(16)))),t.assign(t.bitAnd(vn(1431655765)).shiftLeft(vn(1)).bitOr(t.bitAnd(vn(2863311530)).shiftRight(vn(1)))),t.assign(t.bitAnd(vn(858993459)).shiftLeft(vn(2)).bitOr(t.bitAnd(vn(3435973836)).shiftRight(vn(2)))),t.assign(t.bitAnd(vn(252645135)).shiftLeft(vn(4)).bitOr(t.bitAnd(vn(4042322160)).shiftRight(vn(4)))),t.assign(t.bitAnd(vn(16711935)).shiftLeft(vn(8)).bitOr(t.bitAnd(vn(4278255360)).shiftRight(vn(8)))),Tn(t).mul(2.3283064365386963e-10)}),Df=gn(([e,t])=>Sn(Tn(e).div(Tn(t)),Uf(e))),Of=gn(([e,t,r])=>{const s=r.mul(r).toConst(),i=An(1,0,0).toConst(),n=lu(t,i).toConst(),a=So(e.x).toConst(),o=Va(2,3.14159265359).mul(e.y).toConst(),u=a.mul(Lo(o)).toConst(),l=a.mul(Mo(o)).toVar(),d=Va(.5,t.z.add(1)).toConst();l.assign(d.oneMinus().mul(So(u.mul(u).oneMinus())).add(d.mul(l)));const c=i.mul(u).add(n.mul(l)).add(t.mul(So(su(0,u.mul(u).add(l.mul(l)).oneMinus()))));return Ao(An(s.mul(c.x),s.mul(c.y),su(0,c.z)))}),If=gn(({roughness:e,mipInt:t,envMap:r,N_immutable:s,GGX_SAMPLES:i,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:a,CUBEUV_MAX_MIP:o})=>{const u=An(s).toVar(),l=An(0).toVar(),d=Tn(0).toVar();return yn(e.lessThan(.001),()=>{l.assign(Lf(r,u,t,n,a,o))}).Else(()=>{const s=Mu($o(u.z).lessThan(.999),An(0,0,1),An(1,0,0)),c=Ao(lu(s,u)).toVar(),h=lu(u,c).toVar();Kp({start:vn(0),end:i},({i:s})=>{const p=Df(s,i),g=Of(p,An(0,0,1),e),m=Ao(c.mul(g.x).add(h.mul(g.y)).add(u.mul(g.z))),f=Ao(m.mul(uu(u,m).mul(2)).sub(u)),y=su(uu(u,f),0);yn(y.greaterThan(0),()=>{const e=Lf(r,f,t,n,a,o);l.addAssign(e.mul(y)),d.addAssign(y)})}),yn(d.greaterThan(0),()=>{l.assign(l.div(d))})}),Ln(l,1)}),Vf=[.125,.215,.35,.446,.526,.582],kf=20,Gf=new Ne(-1,1,1,-1,0,1),$f=new Se(90,1),zf=new e;let Wf=null,Hf=0,jf=0;const qf=new r,Xf=new WeakMap,Yf=[3,1,5,0,4,2],Kf=Mf(Hl(),Wl("faceIndex")).normalize(),Qf=An(Kf.x,Kf.y,Kf.z);class Zf{constructor(e){this._renderer=e,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._sizeLods=[],this._sigmas=[],this._lodMeshes=[],this._blurMaterial=null,this._ggxMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._backgroundBox=null}get _hasInitialized(){return this._renderer.hasInitialized()}fromScene(e,t=0,r=.1,s=100,i={}){const{size:n=256,position:a=qf,renderTarget:o=null}=i;if(this._setSize(n),!1===this._hasInitialized)throw new Error('THREE.PMREMGenerator: .fromScene() called before the backend is initialized. Use "await renderer.init();" before using this method.');Wf=this._renderer.getRenderTarget(),Hf=this._renderer.getActiveCubeFace(),jf=this._renderer.getActiveMipmapLevel();const u=o||this._allocateTarget(!0);return this._init(u),this._sceneToCubeUV(e,r,s,u,a),t>0&&this._blur(u,0,0,t),this._applyPMREM(u),this._cleanup(u),u}async fromSceneAsync(e,t=0,r=.1,s=100,i={}){return v('PMREMGenerator: ".fromSceneAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this.fromScene(e,t,r,s,i)}fromEquirectangular(e,t=null){if(!1===this._hasInitialized)throw new Error('THREE.PMREMGenerator: .fromEquirectangular() called before the backend is initialized. Use "await renderer.init();" before using this method.');return this._fromTexture(e,t)}async fromEquirectangularAsync(e,t=null){return v('PMREMGenerator: ".fromEquirectangularAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this._fromTexture(e,t)}fromCubemap(e,t=null){if(!1===this._hasInitialized)throw new Error('THREE.PMREMGenerator: .fromCubemap() called before the backend is initialized. Use "await renderer.init();" before using this method.');return this._fromTexture(e,t)}async fromCubemapAsync(e,t=null){return v('PMREMGenerator: ".fromCubemapAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this._fromTexture(e,t)}async compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=ty(),await this._compileMaterial(this._cubemapMaterial))}async compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=ry(),await this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose(),null!==this._backgroundBox&&(this._backgroundBox.geometry.dispose(),this._backgroundBox.material.dispose())}_setSizeFromTexture(e){e.mapping===D||e.mapping===O?this._setSize(0===e.image.length?16:e.image[0].width||e.image[0].image.width):this._setSize(e.image.width/4)}_setSize(e){this._lodMax=Math.floor(Math.log2(e)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._ggxMaterial&&this._ggxMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let e=0;e<this._lodMeshes.length;e++)this._lodMeshes[e].geometry.dispose()}_cleanup(e){this._renderer.setRenderTarget(Wf,Hf,jf),e.scissorTest=!1,this._setViewport(e,0,0,e.width,e.height)}_fromTexture(e,t){this._setSizeFromTexture(e),Wf=this._renderer.getRenderTarget(),Hf=this._renderer.getActiveCubeFace(),jf=this._renderer.getActiveMipmapLevel();const r=t||this._allocateTarget(!1);return this._init(r),this._textureToCubeUV(e,r),this._applyPMREM(r),this._cleanup(r),r}_allocateTarget(e){return Jf(3*Math.max(this._cubeSize,112),4*this._cubeSize,e)}_init(e){if(null===this._pingPongRenderTarget||this._pingPongRenderTarget.width!==e.width||this._pingPongRenderTarget.height!==e.height){null!==this._pingPongRenderTarget&&this._dispose(),this._pingPongRenderTarget=Jf(e.width,e.height);const{_lodMax:t}=this;({lodMeshes:this._lodMeshes,sizeLods:this._sizeLods,sigmas:this._sigmas}=function(e){const t=[],r=[],s=[];let i=e;const n=e-4+1+Vf.length;for(let a=0;a<n;a++){const n=Math.pow(2,i);t.push(n);let o=1/n;a>e-4?o=Vf[a-e+4-1]:0===a&&(o=0),r.push(o);const u=1/(n-2),l=-u,d=1+u,c=[l,l,d,l,d,d,l,l,d,d,l,d],h=6,p=6,g=3,m=2,f=1,y=new Float32Array(g*p*h),b=new Float32Array(m*p*h),x=new Float32Array(f*p*h);for(let e=0;e<h;e++){const t=e%3*2/3-1,r=e>2?0:-1,s=[t,r,0,t+2/3,r,0,t+2/3,r+1,0,t,r,0,t+2/3,r+1,0,t,r+1,0],i=Yf[e];y.set(s,g*p*i),b.set(c,m*p*i);const n=[i,i,i,i,i,i];x.set(n,f*p*i)}const T=new ve;T.setAttribute("position",new Ae(y,g)),T.setAttribute("uv",new Ae(b,m)),T.setAttribute("faceIndex",new Ae(x,f)),s.push(new oe(T,null)),i>4&&i--}return{lodMeshes:s,sizeLods:t,sigmas:r}}(t)),this._blurMaterial=function(e,t,s){const i=ad(new Array(kf).fill(0)),n=Aa(new r(0,1,0)),a=Aa(0),o=Tn(kf),u=Aa(0),l=Aa(1),d=ed(),c=Aa(0),h=Tn(1/t),p=Tn(1/s),g=Tn(e),m={n:o,latitudinal:u,weights:i,poleAxis:n,outputDirection:Qf,dTheta:a,samples:l,envMap:d,mipInt:c,CUBEUV_TEXEL_WIDTH:h,CUBEUV_TEXEL_HEIGHT:p,CUBEUV_MAX_MIP:g},f=ey("blur");return f.fragmentNode=Pf({...m,latitudinal:u.equal(1)}),Xf.set(f,m),f}(t,e.width,e.height),this._ggxMaterial=function(e,t,r){const s=ed(),i=Aa(0),n=Aa(0),a=Tn(1/t),o=Tn(1/r),u=Tn(e),l={envMap:s,roughness:i,mipInt:n,CUBEUV_TEXEL_WIDTH:a,CUBEUV_TEXEL_HEIGHT:o,CUBEUV_MAX_MIP:u},d=ey("ggx");return d.fragmentNode=If({...l,N_immutable:Qf,GGX_SAMPLES:vn(512)}),Xf.set(d,l),d}(t,e.width,e.height)}}async _compileMaterial(e){const t=new oe(new ve,e);await this._renderer.compile(t,Gf)}_sceneToCubeUV(e,t,r,s,i){const n=$f;n.near=t,n.far=r;const a=[1,1,1,1,-1,1],o=[1,-1,1,-1,1,-1],u=this._renderer,l=u.autoClear;u.getClearColor(zf),u.autoClear=!1,null===this._backgroundBox&&(this._backgroundBox=new oe(new ae,new fe({name:"PMREM.Background",side:F,depthWrite:!1,depthTest:!1})));const d=this._backgroundBox,c=d.material;let h=!1;const p=e.background;p?p.isColor&&(c.color.copy(p),e.background=null,h=!0):(c.color.copy(zf),h=!0),u.setRenderTarget(s),u.clear(),h&&u.render(d,n);for(let t=0;t<6;t++){const r=t%3;0===r?(n.up.set(0,a[t],0),n.position.set(i.x,i.y,i.z),n.lookAt(i.x+o[t],i.y,i.z)):1===r?(n.up.set(0,0,a[t]),n.position.set(i.x,i.y,i.z),n.lookAt(i.x,i.y+o[t],i.z)):(n.up.set(0,a[t],0),n.position.set(i.x,i.y,i.z),n.lookAt(i.x,i.y,i.z+o[t]));const l=this._cubeSize;this._setViewport(s,r*l,t>2?l:0,l,l),u.render(e,n)}u.autoClear=l,e.background=p}_textureToCubeUV(e,t){const r=this._renderer,s=e.mapping===D||e.mapping===O;s?null===this._cubemapMaterial&&(this._cubemapMaterial=ty(e)):null===this._equirectMaterial&&(this._equirectMaterial=ry(e));const i=s?this._cubemapMaterial:this._equirectMaterial;i.fragmentNode.value=e;const n=this._lodMeshes[0];n.material=i;const a=this._cubeSize;this._setViewport(t,0,0,3*a,2*a),r.setRenderTarget(t),r.render(n,Gf)}_applyPMREM(e){const t=this._renderer,r=t.autoClear;t.autoClear=!1;const s=this._lodMeshes.length;for(let t=1;t<s;t++)this._applyGGXFilter(e,t-1,t);t.autoClear=r}_applyGGXFilter(e,t,r){const s=this._renderer,i=this._pingPongRenderTarget,n=this._ggxMaterial,a=this._lodMeshes[r];a.material=n;const o=Xf.get(n),u=r/(this._lodMeshes.length-1),l=t/(this._lodMeshes.length-1),d=Math.sqrt(u*u-l*l)*(0+1.25*u),{_lodMax:c}=this,h=this._sizeLods[r],p=3*h*(r>c-4?r-c+4:0),g=4*(this._cubeSize-h);e.texture.frame=(e.texture.frame||0)+1,o.envMap.value=e.texture,o.roughness.value=d,o.mipInt.value=c-t,this._setViewport(i,p,g,3*h,2*h),s.setRenderTarget(i),s.render(a,Gf),i.texture.frame=(i.texture.frame||0)+1,o.envMap.value=i.texture,o.roughness.value=0,o.mipInt.value=c-r,this._setViewport(e,p,g,3*h,2*h),s.setRenderTarget(e),s.render(a,Gf)}_blur(e,t,r,s,i){const n=this._pingPongRenderTarget;this._halfBlur(e,n,t,r,s,"latitudinal",i),this._halfBlur(n,e,r,r,s,"longitudinal",i)}_halfBlur(e,t,r,s,i,n,a){const u=this._renderer,l=this._blurMaterial;"latitudinal"!==n&&"longitudinal"!==n&&o("blur direction must be either latitudinal or longitudinal!");const c=this._lodMeshes[s];c.material=l;const h=Xf.get(l),p=this._sizeLods[r]-1,g=isFinite(i)?Math.PI/(2*p):2*Math.PI/39,m=i/g,f=isFinite(i)?1+Math.floor(3*m):kf;f>kf&&d(`sigmaRadians, ${i}, is too large and will clip, as it requested ${f} samples when the maximum is set to 20`);const y=[];let b=0;for(let e=0;e<kf;++e){const t=e/m,r=Math.exp(-t*t/2);y.push(r),0===e?b+=r:e<f&&(b+=2*r)}for(let e=0;e<y.length;e++)y[e]=y[e]/b;e.texture.frame=(e.texture.frame||0)+1,h.envMap.value=e.texture,h.samples.value=f,h.weights.array=y,h.latitudinal.value="latitudinal"===n?1:0,a&&(h.poleAxis.value=a);const{_lodMax:x}=this;h.dTheta.value=g,h.mipInt.value=x-r;const T=this._sizeLods[s],_=3*T*(s>x-4?s-x+4:0),v=4*(this._cubeSize-T);this._setViewport(t,_,v,3*T,2*T),u.setRenderTarget(t),u.render(c,Gf)}_setViewport(e,t,r,s,i){this._renderer.isWebGLRenderer?(e.viewport.set(t,e.height-i-r,s,i),e.scissor.set(t,e.height-i-r,s,i)):(e.viewport.set(t,r,s,i),e.scissor.set(t,r,s,i))}}function Jf(e,t,r){const s=new ne(e,t,{magFilter:le,minFilter:le,generateMipmaps:!1,type:Te,format:Ee,colorSpace:Re,depthBuffer:r});return s.texture.mapping=we,s.texture.name="PMREM.cubeUv",s.texture.isPMREMTexture=!0,s.scissorTest=!0,s}function ey(e){const t=new Ug;return t.depthTest=!1,t.depthWrite=!1,t.blending=re,t.name=`PMREM_${e}`,t}function ty(e){const t=ey("cubemap");return t.fragmentNode=Xc(e,Qf),t}function ry(e){const t=ey("equirect");return t.fragmentNode=ed(e,Zg(Qf),0),t}const sy=new WeakMap;function iy(e,t,r){const s=function(e){let t=sy.get(e);void 0===t&&(t=new WeakMap,sy.set(e,t));return t}(t);let i=s.get(e);if((void 0!==i?i.pmremVersion:-1)!==e.pmremVersion){const t=e.image;if(e.isCubeTexture){if(!function(e){if(null==e)return!1;let t=0;const r=6;for(let s=0;s<r;s++)void 0!==e[s]&&t++;return t===r}(t))return null;i=r.fromCubemap(e,i)}else{if(!function(e){return null!=e&&e.height>0}(t))return null;i=r.fromEquirectangular(e,i)}i.pmremVersion=e.pmremVersion,s.set(e,i)}return i.texture}class ny extends fi{static get type(){return"PMREMNode"}constructor(e,t=null,r=null){super("vec3"),this._value=e,this._pmrem=null,this.uvNode=t,this.levelNode=r,this._generator=null;const s=new N;s.isRenderTargetTexture=!0,this._texture=ed(s),this._width=Aa(0),this._height=Aa(0),this._maxMip=Aa(0),this.updateBeforeType=ii.RENDER}set value(e){this._value=e,this._pmrem=null}get value(){return this._value}updateFromTexture(e){const t=function(e){const t=Math.log2(e)-2,r=1/e;return{texelWidth:1/(3*Math.max(Math.pow(2,t),112)),texelHeight:r,maxMip:t}}(e.image.height);this._texture.value=e,this._width.value=t.texelWidth,this._height.value=t.texelHeight,this._maxMip.value=t.maxMip}updateBefore(e){let t=this._pmrem;const r=t?t.pmremVersion:-1,s=this._value;r!==s.pmremVersion&&(t=!0===s.isPMREMTexture||s.mapping===we?s:iy(s,e.renderer,this._generator),null!==t&&(this._pmrem=t,this.updateFromTexture(t)))}setup(e){null===this._generator&&(this._generator=new Zf(e.renderer)),this.updateBefore(e);let t=this.uvNode;null===t&&e.context.getUV&&(t=e.context.getUV(this,e)),t=this._pmrem.isRenderTargetTexture?kc.mul(An(t.x,t.y.negate(),t.z)):kc.mul(t);let r=this.levelNode;return null===r&&e.context.getTextureLevel&&(r=e.context.getTextureLevel(this)),Bf(this._texture,t,r,this._width,this._height,this._maxMip)}dispose(){super.dispose(),null!==this._generator&&this._generator.dispose()}}const ay=un(ny).setParameterLength(1,3),oy=new WeakMap;class uy extends ig{static get type(){return"EnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){const{material:t}=e;let r=this.envNode;if(r.isTextureNode||r.isMaterialReferenceNode){const s=r.isTextureNode?r.value:t[r.property],i=this._getPMREMNodeCache(e.renderer);let n=i.get(s);void 0===n&&(n=ay(s),i.set(s,n)),r=n}const s=!0===t.useAnisotropy||t.anisotropy>0?Eh:Cc,i=r.context(ly(qn,s)).mul(Vc),n=r.context(dy(Mc)).mul(Math.PI).mul(Vc),a=Rl(i),o=Rl(n);e.context.radiance.addAssign(a),e.context.iblIrradiance.addAssign(o);const u=e.context.lightingModel.clearcoatRadiance;if(u){const e=r.context(ly(Kn,Bc)).mul(Vc),t=Rl(e);u.addAssign(t)}}_getPMREMNodeCache(e){let t=oy.get(e);return void 0===t&&(t=new WeakMap,oy.set(e,t)),t}}const ly=(e,t)=>{let r=null;return{getUV:()=>(null===r&&(r=xc.negate().reflect(t),r=pu(e).mix(r,t).normalize(),r=r.transformDirection(kd)),r),getTextureLevel:()=>e}},dy=e=>({getUV:()=>e,getTextureLevel:()=>Tn(1)}),cy=new Ce;class hy extends Ug{static get type(){return"MeshStandardNodeMaterial"}constructor(e){super(),this.isMeshStandardNodeMaterial=!0,this.lights=!0,this.emissiveNode=null,this.metalnessNode=null,this.roughnessNode=null,this.setDefaultValues(cy),this.setValues(e)}setupEnvironment(e){let t=super.setupEnvironment(e);return null===t&&e.environmentNode&&(t=e.environmentNode),t?new uy(t):null}setupLightingModel(){return new gf}setupSpecular(){const e=yu(An(.04),Wn.rgb,Xn);aa.assign(An(.04)),oa.assign(e),ua.assign(1)}setupVariants(){const e=this.metalnessNode?Tn(this.metalnessNode):Yh;Xn.assign(e);let t=this.roughnessNode?Tn(this.roughnessNode):Xh;t=_m({roughness:t}),qn.assign(t),this.setupSpecular(),Hn.assign(Wn.rgb.mul(e.oneMinus()))}copy(e){return this.emissiveNode=e.emissiveNode,this.metalnessNode=e.metalnessNode,this.roughnessNode=e.roughnessNode,super.copy(e)}}const py=new Me;class gy extends hy{static get type(){return"MeshPhysicalNodeMaterial"}constructor(e){super(),this.isMeshPhysicalNodeMaterial=!0,this.clearcoatNode=null,this.clearcoatRoughnessNode=null,this.clearcoatNormalNode=null,this.sheenNode=null,this.sheenRoughnessNode=null,this.iridescenceNode=null,this.iridescenceIORNode=null,this.iridescenceThicknessNode=null,this.specularIntensityNode=null,this.specularColorNode=null,this.iorNode=null,this.transmissionNode=null,this.thicknessNode=null,this.attenuationDistanceNode=null,this.attenuationColorNode=null,this.dispersionNode=null,this.anisotropyNode=null,this.setDefaultValues(py),this.setValues(e)}get useClearcoat(){return this.clearcoat>0||null!==this.clearcoatNode}get useIridescence(){return this.iridescence>0||null!==this.iridescenceNode}get useSheen(){return this.sheen>0||null!==this.sheenNode}get useAnisotropy(){return this.anisotropy>0||null!==this.anisotropyNode}get useTransmission(){return this.transmission>0||null!==this.transmissionNode}get useDispersion(){return this.dispersion>0||null!==this.dispersionNode}setupSpecular(){const e=this.iorNode?Tn(this.iorNode):lp;ga.assign(e),aa.assign(ru(cu(ga.sub(1).div(ga.add(1))).mul(Hh),An(1)).mul(Wh)),oa.assign(yu(aa,Wn.rgb,Xn)),ua.assign(yu(Wh,1,Xn))}setupLightingModel(){return new gf(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion)}setupVariants(e){if(super.setupVariants(e),this.useClearcoat){const e=this.clearcoatNode?Tn(this.clearcoatNode):Qh,t=this.clearcoatRoughnessNode?Tn(this.clearcoatRoughnessNode):Zh;Yn.assign(e),Kn.assign(_m({roughness:t}))}if(this.useSheen){const e=this.sheenNode?An(this.sheenNode):tp,t=this.sheenRoughnessNode?Tn(this.sheenRoughnessNode):rp;Qn.assign(e),Zn.assign(t)}if(this.useIridescence){const e=this.iridescenceNode?Tn(this.iridescenceNode):ip,t=this.iridescenceIORNode?Tn(this.iridescenceIORNode):np,r=this.iridescenceThicknessNode?Tn(this.iridescenceThicknessNode):ap;Jn.assign(e),ea.assign(t),ta.assign(r)}if(this.useAnisotropy){const e=(this.anisotropyNode?Sn(this.anisotropyNode):sp).toVar();sa.assign(e.length()),yn(sa.equal(0),()=>{e.assign(Sn(1,0))}).Else(()=>{e.divAssign(Sn(sa)),sa.assign(sa.saturate())}),ra.assign(sa.pow2().mix(qn.pow2(),1)),ia.assign(Sh[0].mul(e.x).add(Sh[1].mul(e.y))),na.assign(Sh[1].mul(e.x).sub(Sh[0].mul(e.y)))}if(this.useTransmission){const e=this.transmissionNode?Tn(this.transmissionNode):op,t=this.thicknessNode?Tn(this.thicknessNode):up,r=this.attenuationDistanceNode?Tn(this.attenuationDistanceNode):dp,s=this.attenuationColorNode?An(this.attenuationColorNode):cp;if(ma.assign(e),fa.assign(t),ya.assign(r),ba.assign(s),this.useDispersion){const e=this.dispersionNode?Tn(this.dispersionNode):bp;xa.assign(e)}}}setupClearcoatNormal(){return this.clearcoatNormalNode?An(this.clearcoatNormalNode):Jh}setup(e){e.context.setupClearcoatNormal=()=>Wu(this.setupClearcoatNormal(e),"NORMAL","vec3"),super.setup(e)}copy(e){return this.clearcoatNode=e.clearcoatNode,this.clearcoatRoughnessNode=e.clearcoatRoughnessNode,this.clearcoatNormalNode=e.clearcoatNormalNode,this.sheenNode=e.sheenNode,this.sheenRoughnessNode=e.sheenRoughnessNode,this.iridescenceNode=e.iridescenceNode,this.iridescenceIORNode=e.iridescenceIORNode,this.iridescenceThicknessNode=e.iridescenceThicknessNode,this.specularIntensityNode=e.specularIntensityNode,this.specularColorNode=e.specularColorNode,this.iorNode=e.iorNode,this.transmissionNode=e.transmissionNode,this.thicknessNode=e.thicknessNode,this.attenuationDistanceNode=e.attenuationDistanceNode,this.attenuationColorNode=e.attenuationColorNode,this.dispersionNode=e.dispersionNode,this.anisotropyNode=e.anisotropyNode,super.copy(e)}}class my extends gf{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1,a=!1){super(e,t,r,s,i,n),this.useSSS=a}direct({lightDirection:e,lightColor:t,reflectedLight:r},s){if(!0===this.useSSS){const i=s.material,{thicknessColorNode:n,thicknessDistortionNode:a,thicknessAmbientNode:o,thicknessAttenuationNode:u,thicknessPowerNode:l,thicknessScaleNode:d}=i,c=e.add(Cc.mul(a)).normalize(),h=Tn(xc.dot(c.negate()).saturate().pow(l).mul(d)),p=An(h.add(o).mul(n));r.directDiffuse.addAssign(p.mul(u.mul(t)))}super.direct({lightDirection:e,lightColor:t,reflectedLight:r},s)}}class fy extends gy{static get type(){return"MeshSSSNodeMaterial"}constructor(e){super(e),this.thicknessColorNode=null,this.thicknessDistortionNode=Tn(.1),this.thicknessAmbientNode=Tn(0),this.thicknessAttenuationNode=Tn(.1),this.thicknessPowerNode=Tn(2),this.thicknessScaleNode=Tn(10)}get useSSS(){return null!==this.thicknessColorNode}setupLightingModel(){return new my(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion,this.useSSS)}copy(e){return this.thicknessColorNode=e.thicknessColorNode,this.thicknessDistortionNode=e.thicknessDistortionNode,this.thicknessAmbientNode=e.thicknessAmbientNode,this.thicknessAttenuationNode=e.thicknessAttenuationNode,this.thicknessPowerNode=e.thicknessPowerNode,this.thicknessScaleNode=e.thicknessScaleNode,super.copy(e)}}const yy=gn(({normal:e,lightDirection:t,builder:r})=>{const s=e.dot(t),i=Sn(s.mul(.5).add(.5),0);if(r.material.gradientMap){const e=eh("gradientMap","texture").context({getUV:()=>i});return An(e.r)}{const e=i.fwidth().mul(.5);return yu(An(.7),An(1),_u(Tn(.7).sub(e.x),Tn(.7).add(e.x),i.x))}});class by extends om{direct({lightDirection:e,lightColor:t,reflectedLight:r},s){const i=yy({normal:Sc,lightDirection:e,builder:s}).mul(t);r.directDiffuse.addAssign(i.mul(hm({diffuseColor:Wn.rgb})))}indirect(e){const{ambientOcclusion:t,irradiance:r,reflectedLight:s}=e.context;s.indirectDiffuse.addAssign(r.mul(hm({diffuseColor:Wn}))),s.indirectDiffuse.mulAssign(t)}}const xy=new Be;class Ty extends Ug{static get type(){return"MeshToonNodeMaterial"}constructor(e){super(),this.isMeshToonNodeMaterial=!0,this.lights=!0,this.setDefaultValues(xy),this.setValues(e)}setupLightingModel(){return new by}}const _y=gn(()=>{const e=An(xc.z,0,xc.x.negate()).normalize(),t=xc.cross(e);return Sn(e.dot(Cc),t.dot(Cc)).mul(.495).add(.5)}).once(["NORMAL","VERTEX"])().toVar("matcapUV"),vy=new Le;class Ny extends Ug{static get type(){return"MeshMatcapNodeMaterial"}constructor(e){super(),this.isMeshMatcapNodeMaterial=!0,this.setDefaultValues(vy),this.setValues(e)}setupVariants(e){const t=_y;let r;r=e.material.matcap?eh("matcap","texture").context({getUV:()=>t}):An(yu(.2,.8,t.y)),Wn.rgb.mulAssign(r.rgb)}}class Sy extends fi{static get type(){return"RotateNode"}constructor(e,t){super(),this.positionNode=e,this.rotationNode=t}generateNodeType(e){return this.positionNode.getNodeType(e)}setup(e){const{rotationNode:t,positionNode:r}=this;if("vec2"===this.getNodeType(e)){const e=t.cos(),s=t.sin();return Dn(e,s,s.negate(),e).mul(r)}{const e=t,s=In(Ln(1,0,0,0),Ln(0,Lo(e.x),Mo(e.x).negate(),0),Ln(0,Mo(e.x),Lo(e.x),0),Ln(0,0,0,1)),i=In(Ln(Lo(e.y),0,Mo(e.y),0),Ln(0,1,0,0),Ln(Mo(e.y).negate(),0,Lo(e.y),0),Ln(0,0,0,1)),n=In(Ln(Lo(e.z),Mo(e.z).negate(),0,0),Ln(Mo(e.z),Lo(e.z),0,0),Ln(0,0,1,0),Ln(0,0,0,1));return s.mul(i).mul(n).mul(Ln(r,1)).xyz}}}const Ry=un(Sy).setParameterLength(2),Ey=new Fe;class wy extends Ug{static get type(){return"SpriteNodeMaterial"}constructor(e){super(),this.isSpriteNodeMaterial=!0,this._useSizeAttenuation=!0,this.positionNode=null,this.rotationNode=null,this.scaleNode=null,this.transparent=!0,this.setDefaultValues(Ey),this.setValues(e)}setupPositionView(e){const{object:t,camera:r}=e,{positionNode:s,rotationNode:i,scaleNode:n,sizeAttenuation:a}=this,o=uc.mul(An(s||0));let u=Sn(tc[0].xyz.length(),tc[1].xyz.length());null!==n&&(u=u.mul(Sn(n))),r.isPerspectiveCamera&&!1===a&&(u=u.mul(o.z.negate()));let l=pc.xy;if(t.center&&!0===t.center.isVector2){const e=((e,t,r)=>new tl(e,t,r))("center","vec2",t);l=l.sub(e.sub(.5))}l=l.mul(u);const d=Tn(i||ep),c=Ry(l,d);return Ln(o.xy.add(c),o.zw)}copy(e){return this.positionNode=e.positionNode,this.rotationNode=e.rotationNode,this.scaleNode=e.scaleNode,super.copy(e)}get sizeAttenuation(){return this._useSizeAttenuation}set sizeAttenuation(e){this._useSizeAttenuation!==e&&(this._useSizeAttenuation=e,this.needsUpdate=!0)}}const Ay=new Pe,Cy=new t;class My extends wy{static get type(){return"PointsNodeMaterial"}constructor(e){super(),this.sizeNode=null,this.isPointsNodeMaterial=!0,this.setDefaultValues(Ay),this.setValues(e)}setupPositionView(){const{positionNode:e}=this;return uc.mul(An(e||gc)).xyz}setupVertexSprite(e){const{material:t,camera:r}=e,{rotationNode:s,scaleNode:i,sizeNode:n,sizeAttenuation:a}=this;let o=super.setupVertex(e);if(!0!==t.isNodeMaterial)return o;let u=null!==n?Sn(n):yp;u=u.mul(hd),r.isPerspectiveCamera&&!0===a&&(u=u.mul(By.div(bc.z.negate()))),i&&i.isNode&&(u=u.mul(Sn(i)));let l=pc.xy;if(s&&s.isNode){const e=Tn(s);l=Ry(l,e)}return l=l.mul(u),l=l.div(yd.div(2)),l=l.mul(o.w),o=o.add(Ln(l,0,0)),o}setupVertex(e){return e.object.isPoints?super.setupVertex(e):this.setupVertexSprite(e)}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}}const By=Aa(1).onFrameUpdate(function({renderer:e}){const t=e.getSize(Cy);this.value=.5*t.y});class Ly extends om{constructor(){super(),this.shadowNode=Tn(1).toVar("shadowMask")}direct({lightNode:e}){null!==e.shadowNode&&this.shadowNode.mulAssign(e.shadowNode)}finish({context:e}){Wn.a.mulAssign(this.shadowNode.oneMinus()),e.outgoingLight.rgb.assign(Wn.rgb)}}const Fy=new Ue;class Py extends Ug{static get type(){return"ShadowNodeMaterial"}constructor(e){super(),this.isShadowNodeMaterial=!0,this.lights=!0,this.transparent=!0,this.setDefaultValues(Fy),this.setValues(e)}setupLightingModel(){return new Ly}}const Uy=$n("vec3"),Dy=$n("vec3"),Oy=$n("vec3");class Iy extends om{constructor(){super()}start(e){const{material:t}=e,r=$n("vec3"),s=$n("vec3");yn(zd.sub(fc).length().greaterThan(nc.mul(2)),()=>{r.assign(zd),s.assign(fc)}).Else(()=>{r.assign(fc),s.assign(zd)});const i=s.sub(r),n=Aa("int").onRenderUpdate(({material:e})=>e.steps),a=i.length().div(n).toVar(),o=i.normalize().toVar(),u=Tn(0).toVar(),l=An(1).toVar();t.offsetNode&&u.addAssign(t.offsetNode.mul(a)),Kp(n,()=>{const s=r.add(o.mul(u)),i=kd.mul(Ln(s,1)).xyz;let n;null!==t.depthNode&&(Dy.assign(wg(_g(i.z,Dd,Od))),e.context.sceneDepthNode=wg(t.depthNode).toVar()),e.context.positionWorld=s,e.context.shadowPositionWorld=s,e.context.positionView=i,Uy.assign(0),t.scatteringNode&&(n=t.scatteringNode({positionRay:s})),super.start(e),n&&Uy.mulAssign(n);const d=Uy.mul(.01).negate().mul(a).exp();l.mulAssign(d),u.addAssign(a)}),Oy.addAssign(l.saturate().oneMinus())}scatteringLight(e,t){const r=t.context.sceneDepthNode;r?yn(r.greaterThanEqual(Dy),()=>{Uy.addAssign(e)}):Uy.addAssign(e)}direct({lightNode:e,lightColor:t},r){if(void 0===e.light.distance)return;const s=t.xyz.toVar();s.mulAssign(e.shadowNode),this.scatteringLight(s,r)}directRectArea({lightColor:e,lightPosition:t,halfWidth:r,halfHeight:s},i){const n=t.add(r).sub(s),a=t.sub(r).sub(s),o=t.sub(r).add(s),u=t.add(r).add(s),l=i.context.positionView,d=e.xyz.mul(Gm({P:l,p0:n,p1:a,p2:o,p3:u})).pow(1.5);this.scatteringLight(d,i)}finish(e){e.context.outgoingLight.assign(Oy)}}class Vy extends Ug{static get type(){return"VolumeNodeMaterial"}constructor(e){super(),this.isVolumeNodeMaterial=!0,this.steps=25,this.offsetNode=null,this.scatteringNode=null,this.lights=!0,this.transparent=!0,this.side=F,this.depthTest=!1,this.depthWrite=!1,this.setValues(e)}setupLightingModel(){return new Iy}}class ky{constructor(e,t,r){this.renderer=e,this.nodes=t,this.info=r,this._context="undefined"!=typeof self?self:null,this._animationLoop=null,this._requestId=null}start(){const e=(t,r)=>{this._requestId=this._context.requestAnimationFrame(e),!0===this.info.autoReset&&this.info.reset(),this.nodes.nodeFrame.update(),this.info.frame=this.nodes.nodeFrame.frameId,this.renderer._inspector.begin(),null!==this._animationLoop&&this._animationLoop(t,r),this.renderer._inspector.finish()};e()}stop(){null!==this._context&&this._context.cancelAnimationFrame(this._requestId),this._requestId=null}getAnimationLoop(){return this._animationLoop}setAnimationLoop(e){this._animationLoop=e}getContext(){return this._context}setContext(e){this._context=e}dispose(){this.stop()}}class Gy{constructor(){this.weakMaps={}}_getWeakMap(e){const t=e.length;let r=this.weakMaps[t];return void 0===r&&(r=new WeakMap,this.weakMaps[t]=r),r}get(e){let t=this._getWeakMap(e);for(let r=0;r<e.length-1;r++)if(t=t.get(e[r]),void 0===t)return;return t.get(e[e.length-1])}set(e,t){let r=this._getWeakMap(e);for(let t=0;t<e.length-1;t++){const s=e[t];!1===r.has(s)&&r.set(s,new WeakMap),r=r.get(s)}return r.set(e[e.length-1],t),this}delete(e){let t=this._getWeakMap(e);for(let r=0;r<e.length-1;r++)if(t=t.get(e[r]),void 0===t)return!1;return t.delete(e[e.length-1])}}let $y=0;class zy{constructor(e,t,r,s,i,n,a,o,u,l){this.id=$y++,this._nodes=e,this._geometries=t,this.renderer=r,this.object=s,this.material=i,this.scene=n,this.camera=a,this.lightsNode=o,this.context=u,this.geometry=s.geometry,this.version=i.version,this.drawRange=null,this.attributes=null,this.attributesId=null,this.pipeline=null,this.group=null,this.vertexBuffers=null,this.drawParams=null,this.bundle=null,this.clippingContext=l,this.clippingContextCacheKey=null!==l?l.cacheKey:"",this.initialNodesCacheKey=this.getDynamicCacheKey(),this.initialCacheKey=this.getCacheKey(),this._nodeBuilderState=null,this._bindings=null,this._monitor=null,this._sourceMaterial=r._currentSourceMaterial,this.onDispose=null,this.isRenderObject=!0,this.onMaterialDispose=()=>{this.dispose()},this.onGeometryDispose=()=>{this.attributes=null,this.attributesId=null},this.material.addEventListener("dispose",this.onMaterialDispose),this.geometry.addEventListener("dispose",this.onGeometryDispose),null!==this._sourceMaterial&&this._sourceMaterial.addEventListener("dispose",this.onMaterialDispose)}updateClipping(e){this.clippingContext=e}get clippingNeedsUpdate(){return null!==this.clippingContext&&this.clippingContext.cacheKey!==this.clippingContextCacheKey&&(this.clippingContextCacheKey=this.clippingContext.cacheKey,!0)}get hardwareClippingPlanes(){return!0===this.getNodeBuilderState().hardwareClipping?this.clippingContext.unionClippingCount:0}getNodeBuilderState(){return this._nodeBuilderState||(this._nodeBuilderState=this._nodes.getForRender(this))}getMonitor(){return this._monitor||(this._monitor=this.getNodeBuilderState().observer)}getBindings(){return this._bindings||(this._bindings=this.getNodeBuilderState().createBindings())}getBindingGroup(e){for(const t of this.getBindings())if(t.name===e)return t}getIndex(){return this._geometries.getIndex(this)}getIndirect(){return this._geometries.getIndirect(this)}getIndirectOffset(){return this._geometries.getIndirectOffset(this)}getChainArray(){return[this.object,this.material,this.context,this.lightsNode]}setGeometry(e){this.geometry=e,this.attributes=null,this.attributesId=null}getAttributes(){if(null!==this.attributes)return this.attributes;const e=this.getNodeBuilderState().nodeAttributes,t=this.geometry,r=[],s=new Set,i={};for(const n of e){let e;if(n.node&&n.node.attribute?e=n.node.attribute:(e=t.getAttribute(n.name),void 0!==e&&(e.isInterleavedBufferAttribute?i[n.name]=e.data.uuid:i[n.name]=e.id)),void 0===e)continue;r.push(e);const a=e.isInterleavedBufferAttribute?e.data:e;s.add(a)}return this.attributes=r,this.attributesId=i,this.vertexBuffers=Array.from(s.values()),r}getVertexBuffers(){return null===this.vertexBuffers&&this.getAttributes(),this.vertexBuffers}getDrawParameters(){const{object:e,material:t,geometry:r,group:s,drawRange:i}=this,n=this.drawParams||(this.drawParams={vertexCount:0,firstVertex:0,instanceCount:0,firstInstance:0}),a=this.getIndex(),o=null!==a;let u=1;if(!0===r.isInstancedBufferGeometry?u=r.instanceCount:void 0!==e.count&&(u=Math.max(0,e.count)),0===u)return null;if(n.instanceCount=u,!0===e.isBatchedMesh)return n;let l=1;!0!==t.wireframe||e.isPoints||e.isLineSegments||e.isLine||e.isLineLoop||(l=2);let d=i.start*l,c=(i.start+i.count)*l;null!==s&&(d=Math.max(d,s.start*l),c=Math.min(c,(s.start+s.count)*l));const h=r.attributes.position;let p=1/0;o?p=a.count:null!=h&&(p=h.count),d=Math.max(d,0),c=Math.min(c,p);const g=c-d;return g<0||g===1/0?null:(n.vertexCount=g,n.firstVertex=d,n)}getGeometryCacheKey(){const{geometry:e}=this;let t="";for(const r of Object.keys(e.attributes).sort()){const s=e.attributes[r];t+=r+",",s.data&&(t+=s.data.stride+","),s.offset&&(t+=s.offset+","),s.itemSize&&(t+=s.itemSize+","),s.normalized&&(t+="n,")}for(const r of Object.keys(e.morphAttributes).sort()){const s=e.morphAttributes[r];t+="morph-"+r+",";for(let e=0,r=s.length;e<r;e++){t+=s[e].id+","}}return e.index&&(t+="index,"),t}getMaterialCacheKey(){const{object:e,material:t,renderer:r}=this;let s=t.customProgramCacheKey();for(const e of function(e){const t=Object.keys(e);let r=Object.getPrototypeOf(e);for(;r;){const e=Object.getOwnPropertyDescriptors(r);for(const r in e)if(void 0!==e[r]){const s=e[r];s&&"function"==typeof s.get&&t.push(r)}r=Object.getPrototypeOf(r)}return t}(t)){if(/^(is[A-Z]|_)|^(visible|version|uuid|name|opacity|userData)$/.test(e))continue;const i=t[e];let n;if(null!==i){const e=typeof i;"number"===e?n=0!==i?"1":"0":"object"===e?(n="{",i.isTexture&&(n+=i.mapping,!0===r.backend.isWebGPUBackend&&(n+=i.magFilter,n+=i.minFilter,n+=i.wrapS,n+=i.wrapT,n+=i.wrapR)),n+="}"):n=String(i)}else n=String(i);s+=n+","}return s+=this.clippingContextCacheKey+",",e.geometry&&(s+=this.getGeometryCacheKey()),e.skeleton&&(s+=e.skeleton.bones.length+","),e.isBatchedMesh&&(s+=e._matricesTexture.uuid+",",null!==e._colorsTexture&&(s+=e._colorsTexture.uuid+",")),(e.isInstancedMesh||e.count>1||Array.isArray(e.morphTargetInfluences))&&(s+=e.uuid+","),s+=this.context.id+",",s+=e.receiveShadow+",",Gs(s)}get needsGeometryUpdate(){if(this.geometry.id!==this.object.geometry.id)return!0;if(null!==this.attributes){const e=this.attributesId;for(const t in e){const r=this.geometry.getAttribute(t);if(void 0===r)return!0;const s=r.isInterleavedBufferAttribute?r.data.uuid:r.id;if(e[t]!==s)return!0}}return!1}get needsUpdate(){return this.initialNodesCacheKey!==this.getDynamicCacheKey()||this.clippingNeedsUpdate}getDynamicCacheKey(){let e=0;return!0!==this.material.isShadowPassMaterial&&(e=this._nodes.getCacheKey(this.scene,this.lightsNode)),this.camera.isArrayCamera&&(e=zs(e,this.camera.cameras.length)),this.object.receiveShadow&&(e=zs(e,1)),e=zs(e,this.renderer.contextNode.id,this.renderer.contextNode.version),e}getCacheKey(){return this.getMaterialCacheKey()+this.getDynamicCacheKey()}dispose(){this.material.removeEventListener("dispose",this.onMaterialDispose),this.geometry.removeEventListener("dispose",this.onGeometryDispose),null!==this._sourceMaterial&&this._sourceMaterial.removeEventListener("dispose",this.onMaterialDispose),this.onDispose()}}const Wy=[];class Hy{constructor(e,t,r,s,i,n){this.renderer=e,this.nodes=t,this.geometries=r,this.pipelines=s,this.bindings=i,this.info=n,this.chainMaps={}}get(e,t,r,s,i,n,a,o){const u=this.getChainMap(o);Wy[0]=e,Wy[1]=t,Wy[2]=n,Wy[3]=i;let l=u.get(Wy);return void 0===l?(l=this.createRenderObject(this.nodes,this.geometries,this.renderer,e,t,r,s,i,n,a,o),u.set(Wy,l)):(l.camera=s,l.updateClipping(a),l.needsGeometryUpdate&&l.setGeometry(e.geometry),(l.version!==t.version||l.needsUpdate)&&(l.initialCacheKey!==l.getCacheKey()?(l.dispose(),l=this.get(e,t,r,s,i,n,a,o)):l.version=t.version)),Wy[0]=null,Wy[1]=null,Wy[2]=null,Wy[3]=null,l}getChainMap(e="default"){return this.chainMaps[e]||(this.chainMaps[e]=new Gy)}dispose(){this.chainMaps={}}createRenderObject(e,t,r,s,i,n,a,o,u,l,d){const c=this.getChainMap(d),h=new zy(e,t,r,s,i,n,a,o,u,l);return h.onDispose=()=>{this.pipelines.delete(h),this.bindings.deleteForRender(h),this.nodes.delete(h),c.delete(h.getChainArray())},h}}class jy{constructor(){this.data=new WeakMap}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}delete(e){let t=null;return this.data.has(e)&&(t=this.data.get(e),this.data.delete(e)),t}has(e){return this.data.has(e)}dispose(){this.data=new WeakMap}}const qy=1,Xy=2,Yy=3,Ky=4,Qy=16;class Zy extends jy{constructor(e,t){super(),this.backend=e,this.info=t}delete(e){const t=super.delete(e);return null!==t&&(this.backend.destroyAttribute(e),this.info.destroyAttribute(e)),t}update(e,t){const r=this.get(e);if(void 0===r.version)t===qy?(this.backend.createAttribute(e),this.info.createAttribute(e)):t===Xy?(this.backend.createIndexAttribute(e),this.info.createIndexAttribute(e)):t===Yy?(this.backend.createStorageAttribute(e),this.info.createStorageAttribute(e)):t===Ky&&(this.backend.createIndirectStorageAttribute(e),this.info.createIndirectStorageAttribute(e)),r.version=this._getBufferAttribute(e).version;else{const t=this._getBufferAttribute(e);(r.version<t.version||t.usage===x)&&(this.backend.updateAttribute(e),r.version=t.version)}}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}function Jy(e){return null!==e.index?e.index.version:e.attributes.position.version}function eb(e){return null!==e.index?e.index.id:e.attributes.position.id}function tb(e){const t=[],r=e.index,s=e.attributes.position;if(null!==r){const e=r.array;for(let r=0,s=e.length;r<s;r+=3){const s=e[r+0],i=e[r+1],n=e[r+2];t.push(s,i,i,n,n,s)}}else{for(let e=0,r=s.array.length/3-1;e<r;e+=3){const r=e+0,s=e+1,i=e+2;t.push(r,s,s,i,i,r)}}const i=new(s.count>=65535?De:Oe)(t,1);return i.version=Jy(e),i.__id=eb(e),i}class rb extends jy{constructor(e,t){super(),this.attributes=e,this.info=t,this.wireframes=new WeakMap,this.attributeCall=new WeakMap,this._geometryDisposeListeners=new Map}has(e){const t=e.geometry;return super.has(t)&&!0===this.get(t).initialized}updateForRender(e){!1===this.has(e)&&this.initGeometry(e),this.updateAttributes(e)}initGeometry(e){const t=e.geometry;this.get(t).initialized=!0,this.info.memory.geometries++;const r=()=>{this.info.memory.geometries--;const s=t.index,i=e.getAttributes();null!==s&&this.attributes.delete(s);for(const e of i)this.attributes.delete(e);const n=this.wireframes.get(t);void 0!==n&&this.attributes.delete(n),t.removeEventListener("dispose",r),this._geometryDisposeListeners.delete(t)};t.addEventListener("dispose",r),this._geometryDisposeListeners.set(t,r)}updateAttributes(e){const t=e.getAttributes();for(const e of t)e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute?this.updateAttribute(e,Yy):this.updateAttribute(e,qy);const r=this.getIndex(e);null!==r&&this.updateAttribute(r,Xy);const s=e.geometry.indirect;null!==s&&this.updateAttribute(s,Ky)}updateAttribute(e,t){const r=this.info.render.calls;e.isInterleavedBufferAttribute?void 0===this.attributeCall.get(e)?(this.attributes.update(e,t),this.attributeCall.set(e,r)):this.attributeCall.get(e.data)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e.data,r),this.attributeCall.set(e,r)):this.attributeCall.get(e)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e,r))}getIndirect(e){return e.geometry.indirect}getIndirectOffset(e){return e.geometry.indirectOffset}getIndex(e){const{geometry:t,material:r}=e;let s=t.index;if(!0===r.wireframe){const e=this.wireframes;let r=e.get(t);void 0===r?(r=tb(t),e.set(t,r)):r.version===Jy(t)&&r.__id===eb(t)||(this.attributes.delete(r),r=tb(t),e.set(t,r)),s=r}return s}dispose(){for(const[e,t]of this._geometryDisposeListeners.entries())e.removeEventListener("dispose",t);this._geometryDisposeListeners.clear()}}class sb{constructor(){this.autoReset=!0,this.frame=0,this.calls=0,this.render={calls:0,frameCalls:0,drawCalls:0,triangles:0,points:0,lines:0,timestamp:0},this.compute={calls:0,frameCalls:0,timestamp:0},this.memory={attributes:0,attributesSize:0,geometries:0,indexAttributes:0,indexAttributesSize:0,indirectStorageAttributes:0,indirectStorageAttributesSize:0,programs:0,programsSize:0,readbackBuffers:0,readbackBuffersSize:0,renderTargets:0,storageAttributes:0,storageAttributesSize:0,textures:0,texturesSize:0,uniformBuffers:0,uniformBuffersSize:0,total:0},this.memoryMap=new Map}update(e,t,r){this.render.drawCalls++,e.isMesh||e.isSprite?this.render.triangles+=r*(t/3):e.isPoints?this.render.points+=r*t:e.isLineSegments?this.render.lines+=r*(t/2):e.isLine?this.render.lines+=r*(t-1):o("WebGPUInfo: Unknown object type.")}reset(){this.render.drawCalls=0,this.render.frameCalls=0,this.compute.frameCalls=0,this.render.triangles=0,this.render.points=0,this.render.lines=0}dispose(){this.reset(),this.calls=0,this.render.calls=0,this.compute.calls=0,this.render.timestamp=0,this.compute.timestamp=0;for(const e in this.memory)this.memory[e]=0;this.memoryMap.clear()}createTexture(e){const t=this._getTextureMemorySize(e);this.memoryMap.set(e,t),this.memory.textures++,this.memory.total+=t,this.memory.texturesSize+=t}destroyTexture(e){const t=this.memoryMap.get(e)||0;this.memoryMap.delete(e),this.memory.textures--,this.memory.total-=t,this.memory.texturesSize-=t}_createAttribute(e,t){const r=this._getAttributeMemorySize(e);this.memoryMap.set(e,{size:r,type:t}),this.memory[t]++,this.memory.total+=r,this.memory[t+"Size"]+=r}createAttribute(e){this._createAttribute(e,"attributes")}createIndexAttribute(e){this._createAttribute(e,"indexAttributes")}createStorageAttribute(e){this._createAttribute(e,"storageAttributes")}createIndirectStorageAttribute(e){this._createAttribute(e,"indirectStorageAttributes")}destroyAttribute(e){const t=this.memoryMap.get(e);t&&(this.memoryMap.delete(e),this.memory[t.type]--,this.memory.total-=t.size,this.memory[t.type+"Size"]-=t.size)}createReadbackBuffer(e){const t=e.maxByteLength;this.memoryMap.set(e,{size:t,type:"readbackBuffers"}),this.memory.readbackBuffers++,this.memory.total+=t,this.memory.readbackBuffersSize+=t}destroyReadbackBuffer(e){const{size:t}=this.memoryMap.get(e);this.memoryMap.delete(e),this.memory.readbackBuffers--,this.memory.total-=t,this.memory.readbackBuffersSize-=t}createUniformBuffer(e){const t=e.byteLength;this.memoryMap.set(e,{size:t,type:"uniformBuffers"}),this.memory.uniformBuffers++,this.memory.total+=t,this.memory.uniformBuffersSize+=t}destroyUniformBuffer(e){const t=this.memoryMap.get(e);t&&(this.memoryMap.delete(e),this.memory.uniformBuffers--,this.memory.total-=t.size,this.memory.uniformBuffersSize-=t.size)}createProgram(e){const t=e.code.length;this.memoryMap.set(e,t),this.memory.programs++,this.memory.total+=t,this.memory.programsSize+=t}destroyProgram(e){const t=this.memoryMap.get(e)||0;this.memoryMap.delete(e),this.memory.programs--,this.memory.total-=t,this.memory.programsSize-=t}_getTextureMemorySize(e){if(e.isCompressedTexture)return 1;let t=1;e.type===Ie||e.type===Ve?t=1:e.type===ke||e.type===Ge||e.type===Te?t=2:e.type!==R&&e.type!==S&&e.type!==Y||(t=4);let r=4;e.format===$e||e.format===ze||e.format===We||e.format===He||e.format===je?r=1:e.format===z||e.format===qe?r=2:e.format!==Xe&&e.format!==Ye||(r=3);let s=t*r;e.type===Ke||e.type===Qe?s=2:e.type!==Ze&&e.type!==Je&&e.type!==et||(s=4);const i=e.width||1,n=e.height||1,a=e.isCubeTexture?6:e.depth||1;let o=i*n*a*s;const u=e.mipmaps;if(u&&u.length>0){let e=0;for(let t=0;t<u.length;t++){const r=u[t];if(r.data)e+=r.data.byteLength;else{e+=(r.width||Math.max(1,i>>t))*(r.height||Math.max(1,n>>t))*a*s}}o+=e}else e.generateMipmaps&&(o*=1.333);return Math.round(o)}_getAttributeMemorySize(e){return e.isInterleavedBufferAttribute&&(e=e.data),e.array?e.array.byteLength:e.count&&e.itemSize?e.count*e.itemSize*4:0}}class ib{constructor(e){this.cacheKey=e,this.usedTimes=0}}class nb extends ib{constructor(e,t,r){super(e),this.vertexProgram=t,this.fragmentProgram=r}}class ab extends ib{constructor(e,t){super(e),this.computeProgram=t,this.isComputePipeline=!0}}let ob=0;class ub{constructor(e,t,r,s=null,i=null){this.id=ob++,this.code=e,this.stage=t,this.name=r,this.transforms=s,this.attributes=i,this.usedTimes=0}}class lb extends jy{constructor(e,t,r){super(),this.backend=e,this.nodes=t,this.info=r,this.bindings=null,this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}getForCompute(e,t){const{backend:r}=this,s=this.get(e);if(this._needsComputeUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.computeProgram.usedTimes--);const n=this.nodes.getForCompute(e);let a=this.programs.compute.get(n.computeShader);void 0===a&&(i&&0===i.computeProgram.usedTimes&&this._releaseProgram(i.computeProgram),a=new ub(n.computeShader,"compute",e.name,n.transforms,n.nodeAttributes),this.programs.compute.set(n.computeShader,a),r.createProgram(a),this.info.createProgram(a));const o=this._getComputeCacheKey(e,a);let u=this.caches.get(o);void 0===u&&(i&&0===i.usedTimes&&this._releasePipeline(i),u=this._getComputePipeline(e,a,o,t)),u.usedTimes++,a.usedTimes++,s.version=e.version,s.pipeline=u}return s.pipeline}getForRender(e,t=null){const{backend:r}=this,s=this.get(e);if(this._needsRenderUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.vertexProgram.usedTimes--,i.fragmentProgram.usedTimes--);const n=e.getNodeBuilderState(),a=e.material?e.material.name:"";let o=this.programs.vertex.get(n.vertexShader);void 0===o&&(i&&0===i.vertexProgram.usedTimes&&this._releaseProgram(i.vertexProgram),o=new ub(n.vertexShader,"vertex",a),this.programs.vertex.set(n.vertexShader,o),r.createProgram(o),this.info.createProgram(o));let u=this.programs.fragment.get(n.fragmentShader);void 0===u&&(i&&0===i.fragmentProgram.usedTimes&&this._releaseProgram(i.fragmentProgram),u=new ub(n.fragmentShader,"fragment",a),this.programs.fragment.set(n.fragmentShader,u),r.createProgram(u),this.info.createProgram(u));const l=this._getRenderCacheKey(e,o,u);let d=this.caches.get(l);void 0===d?(i&&0===i.usedTimes&&this._releasePipeline(i),d=this._getRenderPipeline(e,o,u,l,t)):e.pipeline=d,d.usedTimes++,o.usedTimes++,u.usedTimes++,s.pipeline=d}return s.pipeline}isReady(e){const t=this.get(e).pipeline;if(void 0===t)return!1;const r=this.backend.get(t);return void 0!==r.pipeline&&null!==r.pipeline}delete(e){const t=this.get(e).pipeline;return t&&(t.usedTimes--,0===t.usedTimes&&this._releasePipeline(t),t.isComputePipeline?(t.computeProgram.usedTimes--,0===t.computeProgram.usedTimes&&this._releaseProgram(t.computeProgram)):(t.fragmentProgram.usedTimes--,t.vertexProgram.usedTimes--,0===t.vertexProgram.usedTimes&&this._releaseProgram(t.vertexProgram),0===t.fragmentProgram.usedTimes&&this._releaseProgram(t.fragmentProgram))),super.delete(e)}dispose(){super.dispose(),this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}updateForRender(e){this.getForRender(e)}_getComputePipeline(e,t,r,s){r=r||this._getComputeCacheKey(e,t);let i=this.caches.get(r);return void 0===i&&(i=new ab(r,t),this.caches.set(r,i),this.backend.createComputePipeline(i,s)),i}_getRenderPipeline(e,t,r,s,i){s=s||this._getRenderCacheKey(e,t,r);let n=this.caches.get(s);return void 0===n&&(n=new nb(s,t,r),this.caches.set(s,n),e.pipeline=n,this.backend.createRenderPipeline(e,i)),n}_getComputeCacheKey(e,t){return e.id+","+t.id}_getRenderCacheKey(e,t,r){return t.id+","+r.id+","+this.backend.getRenderCacheKey(e)}_releasePipeline(e){this.caches.delete(e.cacheKey)}_releaseProgram(e){const t=e.code,r=e.stage;this.programs[r].delete(t),this.info.destroyProgram(e)}_needsComputeUpdate(e){const t=this.get(e);return void 0===t.pipeline||t.version!==e.version}_needsRenderUpdate(e){return void 0===this.get(e).pipeline||this.backend.needsRenderUpdate(e)}}class db extends jy{constructor(e,t,r,s,i,n){super(),this.backend=e,this.textures=r,this.pipelines=i,this.attributes=s,this.nodes=t,this.info=n,this.pipelines.bindings=this}getForRender(e){const t=e.getBindings(),r=this.get(e);return!0!==r.initialized&&(this._createBindings(t),r.initialized=!0),t}getForCompute(e){const t=this.nodes.getForCompute(e).bindings,r=this.get(e);return!0===r.initialized&&r.bindings===t||(void 0!==r.bindings&&this._destroyBindings(r.bindings),this._createBindings(t),r.initialized=!0,r.bindings=t),t}updateForCompute(e){this._updateBindings(this.getForCompute(e))}updateForRender(e){this._updateBindings(this.getForRender(e))}deleteForCompute(e){const t=this.get(e).bindings||this.nodes.getForCompute(e).bindings;this._destroyBindings(t),this.delete(e)}deleteForRender(e){const t=e.getBindings();this._destroyBindings(t),this.delete(e)}_createBindings(e){for(const t of e){const r=this.get(t);if(void 0===r.bindGroup){for(const e of t.bindings)if(e.isUniformBuffer)this.backend.createUniformBuffer(e),this.info.createUniformBuffer(e);else if(e.isSampledTexture)this.textures.updateTexture(e.texture);else if(e.isSampler)this.textures.updateSampler(e.texture,e.textureNode);else if(e.isStorageBuffer){const t=e.attribute,r=t.isIndirectStorageBufferAttribute?Ky:Yy;this.attributes.update(t,r)}this.backend.createBindings(t,e,0),r.bindGroup=t,r.usedTimes=1}else r.usedTimes++}}_destroyBindings(e){for(const t of e){const e=this.get(t);if(e.usedTimes--,0===e.usedTimes){for(const e of t.bindings)e.isUniformBuffer?(this.backend.destroyUniformBuffer(e),this.info.destroyUniformBuffer(e),e.release()):e.isSampler&&e.release();this.backend.deleteBindGroupData(t),this.delete(t)}}}_updateBindings(e){for(const t of e)this._update(t,e)}_update(e,t){const{backend:r}=this;let s=!1,i=!0,n=0,a=0;for(const t of e.bindings){if(!1!==this.nodes.updateGroup(t)){if(t.isStorageBuffer){const e=t.attribute,i=e.isIndirectStorageBufferAttribute?Ky:Yy,n=r.get(t);this.attributes.update(e,i),n.attribute!==e&&(n.attribute=e,s=!0)}if(t.isUniformBuffer){t.update()&&r.updateBinding(t)}else if(t.isSampledTexture){const o=t.update(),u=t.texture,l=this.textures.get(u);o&&(this.textures.updateTexture(u),t.generation!==l.generation&&(t.generation=l.generation,s=!0),l.bindGroups.add(e));if(void 0!==r.get(u).externalTexture||l.isDefaultTexture?i=!1:(n=10*n+u.id,a+=u.version),!0===u.isStorageTexture&&!0===u.mipmapsAutoUpdate){const e=this.get(u);!0===t.store?e.needsMipmap=!0:this.textures.needsMipmaps(u)&&!0===e.needsMipmap&&(this.backend.generateMipmaps(u),e.needsMipmap=!1)}}else if(t.isSampler){if(t.update()){const e=this.textures.updateSampler(t.texture,t.textureNode);t.samplerKey!==e&&(t.samplerKey=e,s=!0)}}t.isBuffer&&t.updateRanges.length>0&&t.clearUpdateRanges()}}!0===s&&this.backend.updateBindings(e,t,i?n:0,a)}}const cb=Object.freeze([]);function hb(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?e.z-t.z:e.id-t.id}function pb(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?t.z-e.z:e.id-t.id}function gb(e){return(e.transmission>0||e.transmissionNode&&e.transmissionNode.isNode)&&e.side===P&&!1===e.forceSinglePass}class mb{constructor(e,t,r){this.renderItems=[],this.renderItemsIndex=0,this.opaque=[],this.transparentDoublePass=[],this.transparent=[],this.bundles=[],this.lighting=e,this.lightsNode=e.getNode(t),this.lightsArray=[],this.scene=t,this.camera=r,this.occlusionQueryCount=0}begin(){return this.renderItemsIndex=0,this.opaque.length=0,this.transparentDoublePass.length=0,this.transparent.length=0,this.bundles.length=0,this.lightsArray.length=0,this.occlusionQueryCount=0,this}getNextRenderItem(e,t,r,s,i,n,a){let o=this.renderItems[this.renderItemsIndex];return void 0===o?(o={id:e.id,object:e,geometry:t,material:r,groupOrder:s,renderOrder:e.renderOrder,z:i,group:n,clippingContext:a},this.renderItems[this.renderItemsIndex]=o):(o.id=e.id,o.object=e,o.geometry=t,o.material=r,o.groupOrder=s,o.renderOrder=e.renderOrder,o.z=i,o.group=n,o.clippingContext=a),this.renderItemsIndex++,o}push(e,t,r,s,i,n,a){const o=this.getNextRenderItem(e,t,r,s,i,n,a);!0===e.occlusionTest&&this.occlusionQueryCount++,!0===r.transparent||r.transmission>0||r.transmissionNode&&r.transmissionNode.isNode||r.backdropNode&&r.backdropNode.isNode?(gb(r)&&this.transparentDoublePass.push(o),this.transparent.push(o)):this.opaque.push(o)}unshift(e,t,r,s,i,n,a){const o=this.getNextRenderItem(e,t,r,s,i,n,a);!0===r.transparent||r.transmission>0||r.transmissionNode&&r.transmissionNode.isNode||r.backdropNode&&r.backdropNode.isNode?(gb(r)&&this.transparentDoublePass.unshift(o),this.transparent.unshift(o)):this.opaque.unshift(o)}pushBundle(e){this.bundles.push(e)}pushLight(e){this.lightsArray.push(e)}sort(e,t,r){this.opaque.length>1&&this.opaque.sort(e||hb),this.transparentDoublePass.length>1&&this.transparentDoublePass.sort(t||pb),this.transparent.length>1&&this.transparent.sort(t||pb),r&&(this.opaque.reverse(),this.transparentDoublePass.reverse(),this.transparent.reverse())}finish(){this.lightsNode.setLights(this.lighting.enabled?this.lightsArray:cb);for(let e=this.renderItemsIndex,t=this.renderItems.length;e<t;e++){const t=this.renderItems[e];if(null===t.id)break;t.id=null,t.object=null,t.geometry=null,t.material=null,t.groupOrder=null,t.renderOrder=null,t.z=null,t.group=null,t.clippingContext=null}}}const fb=[];class yb{constructor(e){this.lighting=e,this.lists=new Gy}get(e,t){const r=this.lists;fb[0]=e,fb[1]=t;let s=r.get(fb);return void 0===s&&(s=new mb(this.lighting,e,t),r.set(fb,s)),fb[0]=null,fb[1]=null,s}dispose(){this.lists=new Gy}}let bb=0;class xb{constructor(){this.id=bb++,this.mrt=null,this.color=!0,this.clearColor=!0,this.clearColorValue={r:0,g:0,b:0,a:1},this.depth=!0,this.clearDepth=!0,this.clearDepthValue=1,this.stencil=!1,this.clearStencil=!0,this.clearStencilValue=1,this.viewport=!1,this.viewportValue=new s,this.scissor=!1,this.scissorValue=new s,this.renderTarget=null,this.textures=null,this.depthTexture=null,this.activeCubeFace=0,this.activeMipmapLevel=0,this.sampleCount=1,this.width=0,this.height=0,this.occlusionQueryCount=0,this.clippingContext=null,this.camera=null,this.isRenderContext=!0}getCacheKey(){return Tb(this)}}function Tb(e){const{textures:t,activeCubeFace:r,activeMipmapLevel:s}=e,i=[r,s];for(const e of t)i.push(e.id);return $s(i)}class _b{constructor(e){this.renderer=e,this._renderContexts={}}get(e=null,t=null,r=0){let s;if(null===e)s="default";else{const t=e.texture.format,r=e.texture.type;s=`${e.textures.length}:${t}:${r}:${e.samples}:${e.depthBuffer}:${e.stencilBuffer}`}const i=s+"-"+(null!==t?t.id:"default")+"-"+r;let n=this._renderContexts[i];return void 0===n&&(n=new xb,n.mrt=t,this._renderContexts[i]=n),null!==e&&(n.sampleCount=0===e.samples?1:e.samples),n.clearDepthValue=this.renderer.getClearDepth(),n.clearStencilValue=this.renderer.getClearStencil(),n}dispose(){this._renderContexts={}}}const vb=new r;class Nb extends jy{constructor(e,t,r){super(),this.renderer=e,this.backend=t,this.info=r,this._htmlTextures=new Set}updateRenderTarget(e,t=0){const r=this.get(e),s=0===e.samples?1:e.samples,i=r.depthTextureMips||(r.depthTextureMips={}),n=e.textures,a=this.getSize(n[0]),o=a.width>>t,u=a.height>>t;let l=e.depthTexture||i[t];const d=!0===e.depthBuffer||!0===e.stencilBuffer;let c=!1;const h=void 0!==l&&void 0!==l.image&&l.image.depth>1,p=a.depth>1&&(e.useArrayDepthTexture||e.multiview||h);void 0===l&&d&&(l=new Z,l.format=e.stencilBuffer?je:He,l.type=e.stencilBuffer?Ze:S,l.image.width=o,l.image.height=u,l.image.depth=a.depth,l.renderTarget=e,i[t]=l),l&&(l.isArrayTexture=p),r.width===a.width&&a.height===r.height||(c=!0,l&&(l.needsUpdate=!0,l.image.width=o,l.image.height=u,l.image.depth=p?a.depth:1)),r.width=a.width,r.height=a.height,r.textures=n,r.depthTexture=l||null,r.depth=e.depthBuffer,r.stencil=e.stencilBuffer,r.renderTarget=e,r.sampleCount!==s&&(c=!0,l&&(l.needsUpdate=!0),r.sampleCount=s);const g={sampleCount:s};if(!0!==e.isXRRenderTarget){for(let e=0;e<n.length;e++){const t=n[e];c&&(t.needsUpdate=!0),this.updateTexture(t,g)}l&&this.updateTexture(l,g)}!0!==r.initialized&&(r.initialized=!0,this.info.memory.renderTargets++,r.onDispose=()=>{this._destroyRenderTarget(e)},e.addEventListener("dispose",r.onDispose))}updateTexture(e,t={}){const r=this.get(e);if(!0===r.initialized&&r.version===e.version)return;const s=e.isRenderTargetTexture||e.isDepthTexture||e.isFramebufferTexture,i=this.backend;if(s&&!0===r.initialized&&i.destroyTexture(e),e.isFramebufferTexture){const t=this.renderer.getRenderTarget();e.type=t?t.texture.type:Ve}if(e.isHTMLTexture&&e.image){const t=this.renderer.domElement;if("requestPaint"in t){if(t.hasAttribute("layoutsubtree")||t.setAttribute("layoutsubtree","true"),e.image.parentNode!==t&&t.appendChild(e.image),0===this._htmlTextures.size){const e=this._htmlTextures;t.onpaint=t=>{const r=t&&t.changedElements;for(const t of e)r&&!r.includes(t.image)||(t.needsUpdate=!0)}}this._htmlTextures.add(e)}}const{width:n,height:a,depth:o}=this.getSize(e);if(t.width=n,t.height=a,t.depth=o,t.needsMipmaps=this.needsMipmaps(e),t.levels=t.needsMipmaps?this.getMipLevels(e,n,a):1,e.isCubeTexture&&e.mipmaps.length>0&&t.levels++,s||!0===e.isStorageTexture||!0===e.isExternalTexture)i.createTexture(e,t),r.generation=e.version;else if(e.version>0){const s=e.image;if(void 0===s)d("Renderer: Texture marked for update but image is undefined.");else if(!1===s.complete)d("Renderer: Texture marked for update but image is incomplete.");else{if(e.images){const r=[];for(const t of e.images)r.push(t);t.images=r}else t.image=s;void 0!==r.isDefaultTexture&&!0!==r.isDefaultTexture||(i.createTexture(e,t),r.isDefaultTexture=!1,r.generation=e.version),!0===e.source.dataReady&&i.updateTexture(e,t);const n=!0===e.isStorageTexture&&!1===e.mipmapsAutoUpdate;t.needsMipmaps&&0===e.mipmaps.length&&!n&&i.generateMipmaps(e),e.onUpdate&&e.onUpdate(e)}}else i.createDefaultTexture(e),r.isDefaultTexture=!0,r.generation=e.version;!0!==r.initialized&&(r.initialized=!0,r.generation=e.version,r.bindGroups=new Set,this.info.createTexture(e),e.isVideoTexture&&!0===p.enabled&&p.getTransfer(e.colorSpace)!==g&&d("WebGPURenderer: Video textures must use a color space with a sRGB transfer function, e.g. SRGBColorSpace."),r.onDispose=()=>{this._destroyTexture(e)},e.addEventListener("dispose",r.onDispose)),r.version=e.version}updateSampler(e,t){return this.backend.updateSampler(e,t)}getSize(e,t=vb){let r=e.images?e.images[0]:e.image;return r?(void 0!==r.image&&(r=r.image),e.isHTMLTexture?(t.width=r.offsetWidth||1,t.height=r.offsetHeight||1,t.depth=1):"undefined"!=typeof HTMLVideoElement&&r instanceof HTMLVideoElement?(t.width=r.videoWidth||1,t.height=r.videoHeight||1,t.depth=1):"undefined"!=typeof VideoFrame&&r instanceof VideoFrame?(t.width=r.displayWidth||1,t.height=r.displayHeight||1,t.depth=1):(t.width=r.width||1,t.height=r.height||1,t.depth=e.isCubeTexture?6:r.depth||1)):t.width=t.height=t.depth=1,t}getMipLevels(e,t,r){let s;return s=e.mipmaps.length>0?e.mipmaps.length:!0===e.isCompressedTexture?1:Math.floor(Math.log2(Math.max(t,r)))+1,s}needsMipmaps(e){return!0===e.generateMipmaps||e.mipmaps.length>0}_destroyRenderTarget(e){if(!0===this.has(e)){const t=this.get(e),r=t.textures,s=t.depthTexture;e.removeEventListener("dispose",t.onDispose);for(let e=0;e<r.length;e++)this._destroyTexture(r[e]);s&&this._destroyTexture(s),this.delete(e),this.backend.delete(e),this.info.memory.renderTargets--}}_destroyTexture(e){if(!0===this.has(e)){const t=this.get(e);e.removeEventListener("dispose",t.onDispose);const r=t.isDefaultTexture;if(this.backend.destroyTexture(e,r),t.bindGroups)for(const r of t.bindGroups){const t=this.backend.get(r);t.groups=void 0,t.versions=void 0;for(const t of r.bindings)t.isSampler&&t.texture===e&&(t.reset(),t.release())}this._htmlTextures.delete(e),this.delete(e),this.info.destroyTexture(e)}}}class Sb extends e{constructor(e,t,r,s=1){super(e,t,r),this.a=s}set(e,t,r,s=1){return this.a=s,super.set(e,t,r)}copy(e){return void 0!==e.a&&(this.a=e.a),super.copy(e)}clone(){return new this.constructor(this.r,this.g,this.b,this.a)}}class Rb extends Gn{static get type(){return"ParameterNode"}constructor(e,t=null){super(e,t),this.isParameterNode=!0}getMemberType(e,t){const r=this.getNodeType(e),s=e.getStructTypeNode(r);let i;return null!==s?i=s.getMemberType(e,t):(o(`TSL: Member "${t}" not found in struct "${r}".`,new Vs),i="float"),i}getHash(){return String(this.id)}generate(){return this.name}}class Eb extends pi{static get type(){return"StackNode"}constructor(e=null){super(),this.nodes=[],this.outputNode=null,this.parent=e,this._currentCond=null,this._expressionNode=null,this._currentNode=null,this._nodeDataLibrary=new Map,this.isStackNode=!0}getElementType(e){return this.outputNode?this.outputNode.getElementType(e):"void"}generateNodeType(e){return this.outputNode?this.outputNode.getNodeType(e):"void"}getMemberType(e,t){return this.outputNode?this.outputNode.getMemberType(e,t):"void"}addToStack(e,t=-1){if(!0!==e.isNode)return o("TSL: Invalid node added to stack.",new Vs),this;if(-1===t)if(this._currentNode){let e=this._nodeDataLibrary.get(this._currentNode);void 0===e&&(e={delta:0},this._nodeDataLibrary.set(this._currentNode,e)),e.delta++,t=this.nodes.indexOf(this._currentNode)+e.delta}else t=this.nodes.length;return this.nodes.splice(t,0,e),this}addToStackBefore(e){const t=this._currentNode?this.nodes.indexOf(this._currentNode):0;return this.addToStack(e,t)}If(e,t){const r=new rn(t);return this._currentCond=Mu(e,r),this.addToStack(this._currentCond)}ElseIf(e,t){const r=new rn(t),s=Mu(e,r);return this._currentCond.elseNode=s,this._currentCond=s,this}Else(e){return this._currentCond.elseNode=new rn(e),this}Switch(e){return this._expressionNode=sn(e),this}Case(...e){const t=[];if(e.length>=2)for(let r=0;r<e.length-1;r++)t.push(this._expressionNode.equal(sn(e[r])));else o("TSL: Invalid parameter length. Case() requires at least two parameters.",new Vs);const r=new rn(e[e.length-1]);let s=t[0];for(let e=1;e<t.length;e++)s=s.or(t[e]);const i=Mu(s,r);return null===this._currentCond?(this._currentCond=i,this.addToStack(this._currentCond)):(this._currentCond.elseNode=i,this._currentCond=i,this)}Default(e){return this.Else(e),this}setup(e){const t=e.getNodeProperties(this);let r=0;for(const s of this.getChildren())s.isVarNode&&s.isIntent(e)&&!0!==s.isAssign(e)||(t["node"+r++]=s);return t.outputNode||null}build(e,...t){const r=fn(),s=e.buildStage;mn(this),e.setActiveStack(this);for(let t=0;t<this.nodes.length;t++){const r=this.nodes[t],i=this._currentNode;if(this._currentNode=r,!r.isVarNode||!r.isIntent(e)||!0===r.isAssign(e)){if("setup"===s)r.build(e);else if("analyze"===s)r.build(e,this);else if("generate"===s){const t=e.getDataFromNode(r,"any").stages,s=t&&t[e.shaderStage];if(r.isVarNode&&s&&1===s.length&&s[0]&&s[0].isStackNode)continue;r.build(e,"void")}this._currentNode=i}}let i;if(this.outputNode){const r=this.outputNode.build(e,...t);"generate"===e.buildStage&&"void"===this.outputNode.getNodeType(e)||(i=r)}else i=super.build(e,...t);return mn(r),e.removeActiveStack(this),i}}const wb=un(Eb).setParameterLength(0,1);class Ab extends pi{static get type(){return"StructTypeNode"}constructor(e,t=null){var r;super("struct"),this.membersLayout=(r=e,Object.entries(r).map(([e,t])=>"string"==typeof t?{name:e,type:t,atomic:!1}:{name:e,type:t.type,atomic:t.atomic||!1})),this.name=t,this.isStructTypeNode=!0}getLength(){let e=1,t=0;for(const r of this.membersLayout){const s=r.type,i=Ys(s),n=Ks(s);e=Math.max(e,n);const a=t%e%n;0!==a&&(t+=n-a),t+=i}return Math.ceil(t/e)*e}getMemberType(e,t){const r=this.membersLayout.find(e=>e.name===t);return r?r.type:"void"}generateNodeType(e){return e.getStructTypeFromNode(this,this.membersLayout,this.name).name}setup(e){e.getStructTypeFromNode(this,this.membersLayout,this.name),e.addInclude(this)}generate(e){return this.getNodeType(e)}}class Cb extends pi{static get type(){return"StructNode"}constructor(e,t){super("vec3"),this.structTypeNode=e,this.values=t,this.isStructNode=!0}generateNodeType(e){return this.structTypeNode.getNodeType(e)}getMemberType(e,t){return this.structTypeNode.getMemberType(e,t)}_getChildren(){const e=super._getChildren(),t=e.find(e=>e.childNode===this.structTypeNode);return e.splice(e.indexOf(t),1),e.push(t),e}generate(e){const t=e.getVarFromNode(this),r=t.type,s=e.getPropertyName(t);return e.addLineFlowCode(`${s} = ${e.generateStruct(r,this.structTypeNode.membersLayout,this.values)}`,this),t.name}}class Mb extends pi{static get type(){return"OutputStructNode"}constructor(...e){super(),this.members=e,this.isOutputStructNode=!0}generateNodeType(){return"OutputType"}generate(e){const t=e.getDataFromNode(this);if(void 0===t.membersLayout){const r=this.members,s=[];for(let t=0;t<r.length;t++){const i="m"+t,n=r[t].getNodeType(e);s.push({name:i,type:n,index:t})}t.membersLayout=s,t.structType=e.getOutputStructTypeFromNode(this,t.membersLayout)}const r=e.getOutputStructName(),s=this.members,i=""!==r?r+".":"";for(let r=0;r<s.length;r++){const n=s[r].build(e,t.membersLayout[r].type);e.addLineFlowCode(`${i}m${r} = ${n}`,this)}return r}}const Bb=un(Mb);class Lb{constructor(e=tt){this.blending=e,this.blendSrc=rt,this.blendDst=st,this.blendEquation=it,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.premultiplyAlpha=!1}copy(e){return this.blending=e.blending,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.premultiplyAlpha=e.premultiplyAlpha,this}clone(){return(new this.constructor).copy(this)}}const Fb=new Lb(re),Pb=new Lb(nt);function Ub(e,t){for(let r=0;r<e.length;r++)if(e[r].name===t)return r;return-1}class Db extends Mb{static get type(){return"MRTNode"}constructor(e){super(),this.outputNodes=e,this.blendModes={output:Pb},this.isMRTNode=!0}setBlendMode(e,t){return this.blendModes[e]=t,this}getBlendMode(e){return this.blendModes[e]||Fb}has(e){return void 0!==this.outputNodes[e]}get(e){return this.outputNodes[e]}merge(e){const t={...this.outputNodes,...e.outputNodes},r={...this.blendModes,...e.blendModes},s=Ob(t);return s.blendings=r,s}setup(e){const t=this.outputNodes,r=[],s=e.renderer.getRenderTarget().textures;for(const i in t){const n=Ub(s,i),a=e.getOutputType(n);r[n]=t[i].convert(a)}return this.members=r,super.setup(e)}}const Ob=un(Db);class Ib extends fi{static get type(){return"BitcastNode"}constructor(e,t,r=null){super(),this.valueNode=e,this.conversionType=t,this.inputType=r,this.isBitcastNode=!0}generateNodeType(e){if(null!==this.inputType){const t=this.valueNode.getNodeType(e),r=e.getTypeLength(t);return e.getTypeFromLength(r,this.conversionType)}return this.conversionType}generate(e){const t=this.getNodeType(e);let r="";if(null!==this.inputType){const t=this.valueNode.getNodeType(e);r=1===e.getTypeLength(t)?this.inputType:e.changeComponentType(t,this.inputType)}else r=this.valueNode.getNodeType(e);return`${e.getBitcastMethod(t,r)}( ${this.valueNode.build(e,r)} )`}}const Vb=dn(Ib).setParameterLength(2),kb=e=>new Ib(e,"uint","float"),Gb={};class $b extends uo{static get type(){return"BitcountNode"}constructor(e,t){super(e,t),this.isBitcountNode=!0}_resolveElementType(e,t,r){"int"===r?t.assign(Vb(e,"uint")):t.assign(e)}_returnDataNode(e){switch(e){case"uint":return vn;case"int":return _n;case"uvec2":return En;case"uvec3":return Mn;case"uvec4":return Pn;case"ivec2":return Rn;case"ivec3":return Cn;case"ivec4":return Fn}}_createTrailingZerosBaseLayout(e,t){const r=this._returnDataNode(t);return gn(([e])=>{const s=vn(0);this._resolveElementType(e,s,t);const i=Tn(s.bitAnd(Ho(s))),n=kb(i).shiftRight(23).sub(127);return r(n)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createLeadingZerosBaseLayout(e,t){const r=this._returnDataNode(t);return gn(([e])=>{yn(e.equal(vn(0)),()=>vn(32));const s=vn(0),i=vn(0);return this._resolveElementType(e,s,t),yn(s.shiftRight(16).equal(0),()=>{i.addAssign(16),s.shiftLeftAssign(16)}),yn(s.shiftRight(24).equal(0),()=>{i.addAssign(8),s.shiftLeftAssign(8)}),yn(s.shiftRight(28).equal(0),()=>{i.addAssign(4),s.shiftLeftAssign(4)}),yn(s.shiftRight(30).equal(0),()=>{i.addAssign(2),s.shiftLeftAssign(2)}),yn(s.shiftRight(31).equal(0),()=>{i.addAssign(1)}),r(i)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createOneBitsBaseLayout(e,t){const r=this._returnDataNode(t);return gn(([e])=>{const s=vn(0);this._resolveElementType(e,s,t),s.assign(s.sub(s.shiftRight(vn(1)).bitAnd(vn(1431655765)))),s.assign(s.bitAnd(vn(858993459)).add(s.shiftRight(vn(2)).bitAnd(vn(858993459))));const i=s.add(s.shiftRight(vn(4))).bitAnd(vn(252645135)).mul(vn(16843009)).shiftRight(vn(24));return r(i)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createMainLayout(e,t,r,s){const i=this._returnDataNode(t);return gn(([e])=>{if(1===r)return i(s(e));{const t=i(0),n=["x","y","z","w"];for(let i=0;i<r;i++){const r=n[i];t[r].assign(s(e[r]))}return t}}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}setup(e){const{method:t,aNode:r}=this,{renderer:s}=e;if(s.backend.isWebGPUBackend)return super.setup(e);const i=this.getInputType(e),n=e.getElementType(i),a=e.getTypeLength(i),o=`${t}_base_${n}`,u=`${t}_${i}`;let l=Gb[o];if(void 0===l){switch(t){case $b.COUNT_LEADING_ZEROS:l=this._createLeadingZerosBaseLayout(o,n);break;case $b.COUNT_TRAILING_ZEROS:l=this._createTrailingZerosBaseLayout(o,n);break;case $b.COUNT_ONE_BITS:l=this._createOneBitsBaseLayout(o,n)}Gb[o]=l}let d=Gb[u];void 0===d&&(d=this._createMainLayout(u,i,a,l),Gb[u]=d);return gn(()=>d(r))()}}$b.COUNT_TRAILING_ZEROS="countTrailingZeros",$b.COUNT_LEADING_ZEROS="countLeadingZeros",$b.COUNT_ONE_BITS="countOneBits";const zb=dn($b,$b.COUNT_TRAILING_ZEROS).setParameterLength(1),Wb=dn($b,$b.COUNT_LEADING_ZEROS).setParameterLength(1),Hb=dn($b,$b.COUNT_ONE_BITS).setParameterLength(1),jb=gn(([e])=>{const t=e.toUint().mul(747796405).add(2891336453),r=t.shiftRight(t.shiftRight(28).add(4)).bitXor(t).mul(277803737);return r.shiftRight(22).bitXor(r).toFloat().mul(1/2**32)}),qb=(e,t)=>du(Va(4,e.mul(Ia(1,e))),t);class Xb extends fi{static get type(){return"PackFloatNode"}constructor(e,t){super(),this.vectorNode=t,this.encoding=e,this.isPackFloatNode=!0}generateNodeType(){return"uint"}generate(e){const t=this.vectorNode.getNodeType(e);return`${e.getFloatPackingMethod(this.encoding)}(${this.vectorNode.build(e,t)})`}}const Yb=dn(Xb,"snorm").setParameterLength(1),Kb=dn(Xb,"unorm").setParameterLength(1),Qb=dn(Xb,"float16").setParameterLength(1);class Zb extends fi{static get type(){return"UnpackFloatNode"}constructor(e,t){super(),this.uintNode=t,this.encoding=e,this.isUnpackFloatNode=!0}generateNodeType(){return"vec2"}generate(e){const t=this.uintNode.getNodeType(e);return`${e.getFloatUnpackingMethod(this.encoding)}(${this.uintNode.build(e,t)})`}}const Jb=dn(Zb,"snorm").setParameterLength(1),ex=dn(Zb,"unorm").setParameterLength(1),tx=dn(Zb,"float16").setParameterLength(1),rx=gn(([e])=>e.fract().sub(.5).abs()).setLayout({name:"tri",type:"float",inputs:[{name:"x",type:"float"}]}),sx=gn(([e])=>An(rx(e.z.add(rx(e.y.mul(1)))),rx(e.z.add(rx(e.x.mul(1)))),rx(e.y.add(rx(e.x.mul(1)))))).setLayout({name:"tri3",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),ix=gn(([e,t,r])=>{const s=An(e).toVar(),i=Tn(1.4).toVar(),n=Tn(0).toVar(),a=An(s).toVar();return Kp({start:Tn(0),end:Tn(3),type:"float",condition:"<="},()=>{const e=An(sx(a.mul(2))).toVar();s.addAssign(e.add(r.mul(Tn(.1).mul(t)))),a.mulAssign(1.8),i.mulAssign(1.5),s.mulAssign(1.2);const o=Tn(rx(s.z.add(rx(s.x.add(rx(s.y)))))).toVar();n.addAssign(o.div(i)),a.addAssign(.14)}),n}).setLayout({name:"triNoise3D",type:"float",inputs:[{name:"position",type:"vec3"},{name:"speed",type:"float"},{name:"time",type:"float"}]});class nx extends pi{static get type(){return"FunctionOverloadingNode"}constructor(e=[],...t){super(),this.functionNodes=e,this.parametersNodes=t,this._candidateFn=null,this.global=!0}generateNodeType(e){return this.getCandidateFn(e).shaderNode.layout.type}getCandidateFn(e){const t=this.parametersNodes;let r=this._candidateFn;if(null===r){let s=null,i=-1;for(const r of this.functionNodes){const n=r.shaderNode.layout;if(null===n)throw new Error("THREE.FunctionOverloadingNode: FunctionNode must be a layout.");const a=n.inputs;if(t.length===a.length){let n=0;for(let r=0;r<t.length;r++){const s=t[r],i=a[r];s.getNodeType(e)===i.type&&n++}n>i&&(s=r,i=n)}}this._candidateFn=r=s}return r}setup(e){return this.getCandidateFn(e)(...this.parametersNodes)}}const ax=un(nx),ox=e=>(...t)=>ax(e,...t),ux=Aa(0).setGroup(Ra).onRenderUpdate(e=>e.time),lx=Aa(0).setGroup(Ra).onRenderUpdate(e=>e.deltaTime),dx=Aa(0,"uint").setGroup(Ra).onRenderUpdate(e=>e.frameId);const cx=gn(([e,t,r=Sn(.5)])=>Ry(e.sub(r),t).add(r)),hx=gn(([e,t,r=Sn(.5)])=>{const s=e.sub(r),i=s.dot(s),n=i.mul(i).mul(t);return e.add(s.mul(n))}),px=gn(({position:e=null,horizontal:t=!0,vertical:r=!1})=>{let s;null!==e?(s=tc.toVar(),s[3][0]=e.x,s[3][1]=e.y,s[3][2]=e.z):s=tc;const i=kd.mul(s);return en(t)&&(i[0][0]=tc[0].length(),i[0][1]=0,i[0][2]=0),en(r)&&(i[1][0]=0,i[1][1]=tc[1].length(),i[1][2]=0),i[2][0]=0,i[2][1]=0,i[2][2]=1,Id.mul(i).mul(gc)}),gx=gn(([e=null])=>{const t=wg();return wg(yg(e)).sub(t).lessThan(0).select(pd,e)}),mx=gn(([e,t=Hl(),r=Tn(0)])=>{const s=e.x,i=e.y,n=r.mod(s.mul(i)).floor(),a=n.mod(s),o=i.sub(n.add(1).div(s).ceil()),u=e.reciprocal(),l=Sn(a,o);return t.add(l).mul(u)}),fx=gn(([e,t=null,r=null,s=Tn(1),i=gc,n=Rc])=>{let a=n.abs().normalize();a=a.div(a.dot(An(1)));const o=i.yz.mul(s),u=i.zx.mul(s),l=i.xy.mul(s),d=e.value,c=null!==t?t.value:d,h=null!==r?r.value:d,p=ed(d,o).mul(a.x),g=ed(c,u).mul(a.y),m=ed(h,l).mul(a.z);return Oa(p,g,m)}),yx=new ut,bx=new r,xx=new r,Tx=new r,_x=new a,vx=new r(0,0,-1),Nx=new s,Sx=new r,Rx=new r,Ex=new s,wx=new t,Ax=new ne,Cx=pd.flipX();Ax.depthTexture=new Z(1,1);let Mx=!1;class Bx extends Zl{static get type(){return"ReflectorNode"}constructor(e={}){super(e.defaultTexture||Ax.texture,Cx),this._reflectorBaseNode=e.reflector||new Lx(this,e),this._depthNode=null,this.setUpdateMatrix(!1)}get reflector(){return this._reflectorBaseNode}get target(){return this._reflectorBaseNode.target}getDepthNode(){if(null===this._depthNode){if(!0!==this._reflectorBaseNode.depth)throw new Error("THREE.ReflectorNode: Depth node can only be requested when the reflector is created with { depth: true }. ");this._depthNode=new Bx({defaultTexture:Ax.depthTexture,reflector:this._reflectorBaseNode})}return this._depthNode}setup(e){return e.object.isQuadMesh||this._reflectorBaseNode.build(e),super.setup(e)}clone(){const e=new this.constructor(this.reflectorNode);return e.uvNode=this.uvNode,e.levelNode=this.levelNode,e.biasNode=this.biasNode,e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.gatherNode=this.gatherNode,e.offsetNode=this.offsetNode,e._reflectorBaseNode=this._reflectorBaseNode,e}dispose(){super.dispose(),this._reflectorBaseNode.dispose()}}class Lx extends pi{static get type(){return"ReflectorBaseNode"}constructor(e,t={}){super();const{target:r=new at,resolutionScale:s=1,generateMipmaps:i=!1,bounces:n=!0,depth:a=!1,samples:o=0}=t;this.textureNode=e,this.target=r,this.resolutionScale=s,void 0!==t.resolution&&(v('ReflectorNode: The "resolution" parameter has been renamed to "resolutionScale".'),this.resolutionScale=t.resolution),this.generateMipmaps=i,this.bounces=n,this.depth=a,this.samples=o,this.updateBeforeType=n?ii.RENDER:ii.FRAME,this.virtualCameras=new WeakMap,this.renderTargets=new Map,this.forceUpdate=!1,this.hasOutput=!1}_updateResolution(e,t){const r=this.resolutionScale;t.getDrawingBufferSize(wx),e.setSize(Math.round(wx.width*r),Math.round(wx.height*r))}setup(e){return this._updateResolution(Ax,e.renderer),super.setup(e)}dispose(){super.dispose();for(const e of this.renderTargets.values())e.dispose()}getVirtualCamera(e){let t=this.virtualCameras.get(e);return void 0===t&&(t=e.clone(),this.virtualCameras.set(e,t)),t}getRenderTarget(e){let t=this.renderTargets.get(e);return void 0===t&&(t=new ne(0,0,{type:Te,samples:this.samples}),!0===this.generateMipmaps&&(t.texture.minFilter=ot,t.texture.generateMipmaps=!0),!0===this.depth&&(t.depthTexture=new Z),this.renderTargets.set(e,t)),t}updateBefore(e){if(!1===this.bounces&&Mx)return!1;Mx=!0;const{scene:t,camera:r,renderer:s,material:i}=e,{target:n}=this,a=this.getVirtualCamera(r),o=this.getRenderTarget(a);s.getDrawingBufferSize(wx),this._updateResolution(o,s),xx.setFromMatrixPosition(n.matrixWorld),Tx.setFromMatrixPosition(r.matrixWorld),_x.extractRotation(n.matrixWorld),bx.set(0,0,1),bx.applyMatrix4(_x),Sx.subVectors(xx,Tx);let u=!1;if(!0===Sx.dot(bx)>0&&!1===this.forceUpdate){if(!1===this.hasOutput)return void(Mx=!1);u=!0}Sx.reflect(bx).negate(),Sx.add(xx),_x.extractRotation(r.matrixWorld),vx.set(0,0,-1),vx.applyMatrix4(_x),vx.add(Tx),Rx.subVectors(xx,vx),Rx.reflect(bx).negate(),Rx.add(xx),a.coordinateSystem=r.coordinateSystem,a.position.copy(Sx),a.up.set(0,1,0),a.up.applyMatrix4(_x),a.up.reflect(bx),a.lookAt(Rx),a.near=r.near,a.far=r.far,a.updateMatrixWorld(),a.projectionMatrix.copy(r.projectionMatrix),yx.setFromNormalAndCoplanarPoint(bx,xx),yx.applyMatrix4(a.matrixWorldInverse),Nx.set(yx.normal.x,yx.normal.y,yx.normal.z,yx.constant);const l=a.projectionMatrix;Ex.x=(Math.sign(Nx.x)+l.elements[8])/l.elements[0],Ex.y=(Math.sign(Nx.y)+l.elements[9])/l.elements[5],Ex.z=-1,Ex.w=(1+l.elements[10])/l.elements[14],Nx.multiplyScalar(1/Nx.dot(Ex));l.elements[2]=Nx.x,l.elements[6]=Nx.y,l.elements[10]=s.coordinateSystem===h?Nx.z-0:Nx.z+1-0,l.elements[14]=Nx.w,this.textureNode.value=o.texture,!0===this.depth&&(this.textureNode.getDepthNode().value=o.depthTexture),i.visible=!1;const d=s.getRenderTarget(),c=s.getMRT(),p=s.autoClear;s.setMRT(null),s.setRenderTarget(o),s.autoClear=!0;const g=t.name;t.name=(t.name||"Scene")+" [ Reflector ]",u?(s.clear(),this.hasOutput=!1):(s.render(t,a),this.hasOutput=!0),t.name=g,s.setMRT(c),s.setRenderTarget(d),s.autoClear=p,i.visible=!0,Mx=!1,this.forceUpdate=!1}get resolution(){return v('ReflectorNode: The "resolution" property has been renamed to "resolutionScale".'),this.resolutionScale}set resolution(e){v('ReflectorNode: The "resolution" property has been renamed to "resolutionScale".'),this.resolutionScale=e}}const Fx=new Ne(-1,1,1,-1,0,1);class Px extends ve{constructor(e=!1){super();const t=!1===e?[0,-1,0,1,2,1]:[0,2,0,0,2,0];this.setAttribute("position",new lt([-1,3,0,-1,-1,0,3,-1,0],3)),this.setAttribute("uv",new lt(t,2))}}const Ux=new Px;class Dx extends oe{constructor(e=null){super(Ux,e),this.camera=Fx,this.isQuadMesh=!0}async renderAsync(e){v('QuadMesh: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await e.init(),e.render(this,Fx)}render(e){e.render(this,Fx)}}const Ox=new t;class Ix extends Zl{static get type(){return"RTTNode"}constructor(e,t=null,r=null,s={type:Te}){const i=new ne(t,r,s);super(i.texture,Hl()),this.isRTTNode=!0,this.node=e,this.width=t,this.height=r,this.renderTarget=i,this.textureNeedsUpdate=!0,this.autoUpdate=!0,this._resolutionScale=1,this._rttNode=null,this._quadMesh=new Dx(new Ug),this.updateBeforeType=ii.RENDER}get autoResize(){return null===this.width}setup(e){return this._rttNode=this.node.context(e.getSharedContext()),this._quadMesh.material.name="RTT",this._quadMesh.material.needsUpdate=!0,super.setup(e)}setSize(e,t){const r=Math.floor(e*this._resolutionScale),s=Math.floor(t*this._resolutionScale);this.renderTarget.setSize(r,s),this.textureNeedsUpdate=!0}setResolutionScale(e){return this._resolutionScale=e,!1===this.autoResize&&this.setSize(this.width,this.height),this}getResolutionScale(){return this._resolutionScale}updateBefore({renderer:e}){if(!1===this.textureNeedsUpdate&&!1===this.autoUpdate)return;this.textureNeedsUpdate=!1;const t=e.getRenderTarget();if(!0===this.autoResize){const t=e.getDrawingBufferSize(Ox),r=Math.floor(t.width*this._resolutionScale),s=Math.floor(t.height*this._resolutionScale);r===this.renderTarget.width&&s===this.renderTarget.height||(this.renderTarget.setSize(r,s),this.textureNeedsUpdate=!0)}let r="RTT";this.node.name&&(r=this.node.name+" [ "+r+" ]"),this._quadMesh.material.fragmentNode=this._rttNode,this._quadMesh.name=r,e.setRenderTarget(this.renderTarget),this._quadMesh.render(e),e.setRenderTarget(t)}clone(){const e=new Zl(this.value,this.uvNode,this.levelNode);return e.sampler=this.sampler,e.referenceNode=this,e}}const Vx=(e,...t)=>new Ix(sn(e),...t),kx=gn(([e,t,r],s)=>{let i;s.renderer.coordinateSystem===h?(e=Sn(e.x,e.y.oneMinus()).mul(2).sub(1),i=Ln(An(e,t),1)):i=Ln(An(e.x,e.y.oneMinus(),t).mul(2).sub(1),1);const n=Ln(r.mul(i));return n.xyz.div(n.w)}),Gx=gn(([e,t])=>{const r=t.mul(Ln(e,1)),s=r.xy.div(r.w).mul(.5).add(.5).toVar();return Sn(s.x,s.y.oneMinus())}),$x=gn(([e,t,r])=>{const s=ql(td(t)),i=Rn(e.mul(s)).toVar(),n=td(t,i).toVar(),a=td(t,i.sub(Rn(2,0))).toVar(),o=td(t,i.sub(Rn(1,0))).toVar(),u=td(t,i.add(Rn(1,0))).toVar(),l=td(t,i.add(Rn(2,0))).toVar(),d=td(t,i.add(Rn(0,2))).toVar(),c=td(t,i.add(Rn(0,1))).toVar(),h=td(t,i.sub(Rn(0,1))).toVar(),p=td(t,i.sub(Rn(0,2))).toVar(),g=$o(Ia(Tn(2).mul(o).sub(a),n)).toVar(),m=$o(Ia(Tn(2).mul(u).sub(l),n)).toVar(),f=$o(Ia(Tn(2).mul(c).sub(d),n)).toVar(),y=$o(Ia(Tn(2).mul(h).sub(p),n)).toVar(),b=kx(e,n,r).toVar(),x=g.lessThan(m).select(b.sub(kx(e.sub(Sn(Tn(1).div(s.x),0)),o,r)),b.negate().add(kx(e.add(Sn(Tn(1).div(s.x),0)),u,r))),T=f.lessThan(y).select(b.sub(kx(e.add(Sn(0,Tn(1).div(s.y))),c,r)),b.negate().add(kx(e.sub(Sn(0,Tn(1).div(s.y))),h,r)));return Ao(lu(x,T))}),zx=gn(([e])=>Co(Tn(52.9829189).mul(Co(uu(e,Sn(.06711056,.00583715)))))).setLayout({name:"interleavedGradientNoise",type:"float",inputs:[{name:"position",type:"vec2"}]}),Wx=gn(([e,t,r])=>{const s=Tn(2.399963229728653),i=So(Tn(e).add(.5).div(Tn(t))),n=Tn(e).mul(s).add(r);return Sn(Lo(n),Mo(n)).mul(i)}).setLayout({name:"vogelDiskSample",type:"vec2",inputs:[{name:"sampleIndex",type:"int"},{name:"samplesCount",type:"int"},{name:"phi",type:"float"}]});class Hx extends pi{static get type(){return"SampleNode"}constructor(e,t=null){super(),this.callback=e,this.uvNode=t,this.isSampleNode=!0}setup(){return this.sample(Hl())}sample(e){return this.callback(e)}}class jx extends j{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageInstancedBufferAttribute=!0}}class qx extends Ae{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageBufferAttribute=!0}}class Xx extends pi{static get type(){return"PointUVNode"}constructor(){super("vec2"),this.isPointUVNode=!0}generate(){return"vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y )"}}const Yx=ln(Xx),Kx=new a,Qx=Aa(0).setGroup(Ra).onRenderUpdate(({scene:e})=>e.backgroundBlurriness),Zx=Aa(1).setGroup(Ra).onRenderUpdate(({scene:e})=>e.backgroundIntensity),Jx=Aa(new a).setGroup(Ra).onRenderUpdate(({scene:e})=>{const t=e.background;return null!==t&&t.isTexture&&t.mapping!==dt?Kx.makeRotationFromEuler(e.backgroundRotation).transpose():Kx.identity(),Kx});class eT extends Zl{static get type(){return"StorageTextureNode"}constructor(e,t,r=null){super(e,t),this.storeNode=r,this.mipLevel=0,this.isStorageTextureNode=!0,this.access=ai.WRITE_ONLY}getInputType(){return"storageTexture"}getTransformedUV(e){return e}setup(e){super.setup(e);const t=e.getNodeProperties(this);return t.storeNode=this.storeNode,t}setAccess(e){return this.access=e,this}setMipLevel(e){return this.mipLevel=e,this}generate(e,t){return null!==this.storeNode?(this.generateStore(e),""):super.generate(e,t)}generateSnippet(e,t,r,s,i,n,a,o,u){const l=this.value;return e.generateStorageTextureLoad(l,t,r,s,n,u)}toReadWrite(){return this.setAccess(ai.READ_WRITE)}toReadOnly(){return this.setAccess(ai.READ_ONLY)}toWriteOnly(){return this.setAccess(ai.WRITE_ONLY)}store(e,t){const r=this.clone();return r.referenceNode=this.getBase(),r.uvNode=e,r.storeNode=t,null!==t&&r.toStack(),r}generateStore(e){const t=e.getNodeProperties(this),{uvNode:r,storeNode:s,depthNode:i}=t,n=super.generate(e,"property"),a=r.build(e,!0===this.value.is3DTexture?"uvec3":"uvec2"),o=s.build(e,"vec4"),u=i?i.build(e,"int"):null,l=e.generateTextureStore(this.value,n,a,u,o);e.addLineFlowCode(l,this)}clone(){const e=super.clone();return e.storeNode=this.storeNode,e.mipLevel=this.mipLevel,e.access=this.access,e}}const tT=un(eT).setParameterLength(1,3);class rT extends eT{static get type(){return"StorageTexture3DNode"}constructor(e,t,r=null){super(e,t,r),this.isStorageTexture3DNode=!0}getDefaultUV(){return An(.5,.5,.5)}setUpdateMatrix(){}generateUV(e,t){return t.build(e,!0===this.sampler?"vec3":"ivec3")}generateOffset(e,t){return t.build(e,"ivec3")}}const sT=un(rT).setParameterLength(1,3),iT=gn(({texture:e,uv:t})=>{const r=1e-4,s=An().toVar();return yn(t.x.lessThan(r),()=>{s.assign(An(1,0,0))}).ElseIf(t.y.lessThan(r),()=>{s.assign(An(0,1,0))}).ElseIf(t.z.lessThan(r),()=>{s.assign(An(0,0,1))}).ElseIf(t.x.greaterThan(.9999),()=>{s.assign(An(-1,0,0))}).ElseIf(t.y.greaterThan(.9999),()=>{s.assign(An(0,-1,0))}).ElseIf(t.z.greaterThan(.9999),()=>{s.assign(An(0,0,-1))}).Else(()=>{const r=.01,i=e.sample(t.add(An(-.01,0,0))).r.sub(e.sample(t.add(An(r,0,0))).r),n=e.sample(t.add(An(0,-.01,0))).r.sub(e.sample(t.add(An(0,r,0))).r),a=e.sample(t.add(An(0,0,-.01))).r.sub(e.sample(t.add(An(0,0,r))).r);s.assign(An(i,n,a))}),s.normalize()});class nT extends Zl{static get type(){return"Texture3DNode"}constructor(e,t=null,r=null){super(e,t,r),this.isTexture3DNode=!0}getInputType(){return"texture3D"}getDefaultUV(){return An(.5,.5,.5)}setUpdateMatrix(){}generateUV(e,t){return t.build(e,!0===this.sampler?"vec3":"ivec3")}generateOffset(e,t){return t.build(e,"ivec3")}normal(e){return iT({texture:this,uv:e})}}const aT=un(nT).setParameterLength(1,3);class oT extends Kc{static get type(){return"UserDataNode"}constructor(e,t,r=null){super(e,t,r),this.userData=r}updateReference(e){return this.reference=null!==this.userData?this.userData:e.object.userData,this.reference}}const uT=new WeakMap;class lT extends fi{static get type(){return"VelocityNode"}constructor(){super("vec2"),this.projectionMatrix=null,this.updateType=ii.OBJECT,this.updateAfterType=ii.OBJECT,this.previousModelWorldMatrix=Aa(new a),this.previousProjectionMatrix=Aa(new a).setGroup(Ra),this.previousCameraViewMatrix=Aa(new a)}setProjectionMatrix(e){this.projectionMatrix=e}update({frameId:e,camera:t,object:r}){const s=cT(r);this.previousModelWorldMatrix.value.copy(s);const i=dT(t);i.frameId!==e&&(i.frameId=e,void 0===i.previousProjectionMatrix?(i.previousProjectionMatrix=new a,i.previousCameraViewMatrix=new a,i.currentProjectionMatrix=new a,i.currentCameraViewMatrix=new a,i.previousProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.previousCameraViewMatrix.copy(t.matrixWorldInverse)):(i.previousProjectionMatrix.copy(i.currentProjectionMatrix),i.previousCameraViewMatrix.copy(i.currentCameraViewMatrix)),i.currentProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.currentCameraViewMatrix.copy(t.matrixWorldInverse),this.previousProjectionMatrix.value.copy(i.previousProjectionMatrix),this.previousCameraViewMatrix.value.copy(i.previousCameraViewMatrix))}updateAfter({object:e}){cT(e).copy(e.matrixWorld)}setup(){const e=null===this.projectionMatrix?Id:Aa(this.projectionMatrix),t=this.previousCameraViewMatrix.mul(this.previousModelWorldMatrix),r=e.mul(uc).mul(gc),s=this.previousProjectionMatrix.mul(t).mul(mc),i=r.xy.div(r.w),n=s.xy.div(s.w);return Ia(i,n)}}function dT(e){let t=uT.get(e);return void 0===t&&(t={},uT.set(e,t)),t}function cT(e,t=0){const r=dT(e);let s=r[t];return void 0===s&&(r[t]=s=new a,r[t].copy(e.matrixWorld)),s}const hT=ln(lT),pT=gn(([e,t])=>ru(1,e.oneMinus().div(t)).oneMinus()).setLayout({name:"blendBurn",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),gT=gn(([e,t])=>ru(e.div(t.oneMinus()),1)).setLayout({name:"blendDodge",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),mT=gn(([e,t])=>e.oneMinus().mul(t.oneMinus()).oneMinus()).setLayout({name:"blendScreen",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),fT=gn(([e,t])=>yu(e.mul(2).mul(t),e.oneMinus().mul(2).mul(t.oneMinus()).oneMinus(),iu(.5,e))).setLayout({name:"blendOverlay",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),yT=gn(([e,t])=>{const r=t.a.add(e.a.mul(t.a.oneMinus()));return Ln(t.rgb.mul(t.a).add(e.rgb.mul(e.a).mul(t.a.oneMinus())).div(r),r)}).setLayout({name:"blendColor",type:"vec4",inputs:[{name:"base",type:"vec4"},{name:"blend",type:"vec4"}]}),bT=gn(([e])=>vT(e.rgb)),xT=gn(([e,t=Tn(1)])=>t.mix(vT(e.rgb),e.rgb)),TT=gn(([e,t=Tn(1)])=>{const r=Oa(e.r,e.g,e.b).div(3),s=e.r.max(e.g.max(e.b)),i=s.sub(r).mul(t).mul(-3);return yu(e.rgb,s,i)}),_T=gn(([e,t=Tn(1)])=>{const r=An(.57735,.57735,.57735),s=t.cos();return An(e.rgb.mul(s).add(r.cross(e.rgb).mul(t.sin()).add(r.mul(uu(r,e.rgb).mul(s.oneMinus())))))}),vT=(e,t=An(p.getLuminanceCoefficients(new r)))=>uu(e,t),NT=gn(([e,t=An(1),s=An(0),i=An(1),n=Tn(1),a=An(p.getLuminanceCoefficients(new r,Re))])=>{const o=e.rgb.dot(An(a)),u=su(e.rgb.mul(t).add(s),0).toVar(),l=u.pow(i).toVar();return yn(u.r.greaterThan(0),()=>{u.r.assign(l.r)}),yn(u.g.greaterThan(0),()=>{u.g.assign(l.g)}),yn(u.b.greaterThan(0),()=>{u.b.assign(l.b)}),u.assign(o.add(u.sub(o).mul(n))),Ln(u.rgb,e.a)}),ST=gn(([e,t])=>e.mul(t).floor().div(t));let RT=null;class ET extends dg{static get type(){return"ViewportSharedTextureNode"}constructor(e=pd,t=null){null===RT&&(RT=new K),super(e,t,RT)}getTextureForReference(){return RT}updateReference(){return this}}const wT=un(ET).setParameterLength(0,2),AT=new t;class CT extends Zl{static get type(){return"PassTextureNode"}constructor(e,t){super(t),this.passNode=e,this.isPassTextureNode=!0,this.setUpdateMatrix(!1)}setup(e){return e.getNodeProperties(this).passNode=this.passNode,super.setup(e)}clone(){return new this.constructor(this.passNode,this.value)}}class MT extends CT{static get type(){return"PassMultipleTextureNode"}constructor(e,t,r=!1){super(e,null),this.textureName=t,this.previousTexture=r,this.isPassMultipleTextureNode=!0}updateTexture(){this.value=this.previousTexture?this.passNode.getPreviousTexture(this.textureName):this.passNode.getTexture(this.textureName)}setup(e){return this.updateTexture(),super.setup(e)}clone(){const e=new this.constructor(this.passNode,this.textureName,this.previousTexture);return e.uvNode=this.uvNode,e.levelNode=this.levelNode,e.biasNode=this.biasNode,e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.gatherNode=this.gatherNode,e.offsetNode=this.offsetNode,e}}class BT extends fi{static get type(){return"PassNode"}constructor(e,t,r,s={}){super("vec4"),this.scope=e,this.scene=t,this.camera=r,this.options=s,this._width=1,this._height=1;const i=new ne(this._width,this._height,{type:Te,...s});i.texture.name="output";let n=null;this.scope!==BT.DEPTH&&!1===s.depthBuffer||(n=new Z,n.isRenderTargetTexture=!0,n.name="depth",i.depthTexture=n),this.renderTarget=i,this.overrideMaterial=null,this.transparent=!0,this.opaque=!0,this.contextNode=null,this._contextNodeCache=null,this._textures={output:i.texture},null!==n&&(this._textures.depth=n),this._textureNodes={},this._linearDepthNodes={},this._viewZNodes={},this._previousTextures={},this._previousTextureNodes={},this._cameraNear=Aa(0),this._cameraFar=Aa(0),this._mrt=null,this._layers=null,this._resolutionScale=1,this._viewport=null,this._scissor=null,this.isPassNode=!0,this.updateBeforeType=ii.FRAME,this.global=!0}setResolutionScale(e){return this._resolutionScale=e,this}getResolutionScale(){return this._resolutionScale}setResolution(e){return d("PassNode: .setResolution() is deprecated. Use .setResolutionScale() instead."),this.setResolutionScale(e)}getResolution(){return d("PassNode: .getResolution() is deprecated. Use .getResolutionScale() instead."),this.getResolutionScale()}setLayers(e){return this._layers=e,this}getLayers(){return this._layers}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}getTexture(e){let t=this._textures[e];if(void 0===t){if("depth"===e)throw new Error("THREE.PassNode: Depth texture is not available for this pass.");t=this.renderTarget.texture.clone(),t.name=e,this._textures[e]=t,this.renderTarget.textures.push(t)}return t}getPreviousTexture(e){let t=this._previousTextures[e];return void 0===t&&(t=this.getTexture(e).clone(),this._previousTextures[e]=t),t}toggleTexture(e){const t=this._previousTextures[e];if(void 0!==t){const r=this._textures[e],s=this.renderTarget.textures.indexOf(r);this.renderTarget.textures[s]=t,this._textures[e]=t,this._previousTextures[e]=r,this._textureNodes[e].updateTexture(),this._previousTextureNodes[e].updateTexture()}}getTextureNode(e="output"){let t=this._textureNodes[e];return void 0===t&&(t=new MT(this,e),t.updateTexture(),this._textureNodes[e]=t),t}getPreviousTextureNode(e="output"){let t=this._previousTextureNodes[e];return void 0===t&&(void 0===this._textureNodes[e]&&this.getTextureNode(e),t=new MT(this,e,!0),t.updateTexture(),this._previousTextureNodes[e]=t),t}getViewZNode(e="depth"){let t=this._viewZNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar;this._viewZNodes[e]=t=Ng(this.getTextureNode(e),r,s)}return t}getLinearDepthNode(e="depth"){let t=this._linearDepthNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar,i=this.getViewZNode(e);this._linearDepthNodes[e]=t=xg(i,r,s)}return t}async compileAsync(e){const t=e.getRenderTarget(),r=e.getMRT();e.setRenderTarget(this.renderTarget),e.setMRT(this._mrt),await e.compileAsync(this.scene,this.camera),e.setRenderTarget(t),e.setMRT(r)}setup({renderer:e}){return this.renderTarget.samples=void 0===this.options.samples?e.samples:this.options.samples,this.renderTarget.texture.type=e.getOutputBufferType(),!0===e.reversedDepthBuffer&&null!==this.renderTarget.depthTexture&&(this.renderTarget.depthTexture.type=Y),this.scope===BT.COLOR?this.getTextureNode():this.getLinearDepthNode()}updateBefore(e){const{renderer:t}=e,{scene:r}=this;let s;const i=t.getOutputRenderTarget();i&&!0===i.isXRRenderTarget?(s=t.xr.getCamera(),t.xr.updateCamera(s),AT.set(i.width,i.height)):(s=this.camera,t.getDrawingBufferSize(AT)),this.setSize(AT.width,AT.height);const n=t.getRenderTarget(),a=t.getMRT(),o=t.autoClear,u=t.transparent,l=t.opaque,d=s.layers.mask,c=t.contextNode,h=r.overrideMaterial;this._cameraNear.value=s.near,this._cameraFar.value=s.far,null!==this._layers&&(s.layers.mask=this._layers.mask);for(const e in this._previousTextures)this.toggleTexture(e);null!==this.overrideMaterial&&(r.overrideMaterial=this.overrideMaterial),t.setRenderTarget(this.renderTarget),t.setMRT(this._mrt),t.autoClear=!0,t.transparent=this.transparent,t.opaque=this.opaque,null!==this.contextNode&&(null!==this._contextNodeCache&&this._contextNodeCache.version===this.version||(this._contextNodeCache={version:this.version,context:Lu({...t.contextNode.getFlowContextData(),...this.contextNode.getFlowContextData()})}),t.contextNode=this._contextNodeCache.context);const p=r.name;r.name=this.name?this.name:r.name,t.render(r,s),r.name=p,r.overrideMaterial=h,t.setRenderTarget(n),t.setMRT(a),t.autoClear=o,t.transparent=u,t.opaque=l,t.contextNode=c,s.layers.mask=d}setSize(e,t){this._width=e,this._height=t;const r=Math.floor(this._width*this._resolutionScale),s=Math.floor(this._height*this._resolutionScale);this.renderTarget.setSize(r,s),null!==this._scissor?(this.renderTarget.scissor.copy(this._scissor).multiplyScalar(this._resolutionScale).floor(),this.renderTarget.scissorTest=!0):this.renderTarget.scissorTest=!1,null!==this._viewport&&this.renderTarget.viewport.copy(this._viewport).multiplyScalar(this._resolutionScale).floor()}setScissor(e,t,r,i){null===e?this._scissor=null:(null===this._scissor&&(this._scissor=new s),e.isVector4?this._scissor.copy(e):this._scissor.set(e,t,r,i))}setViewport(e,t,r,i){null===e?this._viewport=null:(null===this._viewport&&(this._viewport=new s),e.isVector4?this._viewport.copy(e):this._viewport.set(e,t,r,i))}dispose(){this.renderTarget.dispose()}}BT.COLOR="color",BT.DEPTH="depth";class LT extends BT{static get type(){return"ToonOutlinePassNode"}constructor(e,t,r,s,i){super(BT.COLOR,e,t),this.colorNode=r,this.thicknessNode=s,this.alphaNode=i,this._materialCache=new WeakMap,this.name="Outline Pass"}updateBefore(e){const{renderer:t}=e,r=t.getRenderObjectFunction();t.setRenderObjectFunction((e,r,s,i,n,a,o,u)=>{if((n.isMeshToonMaterial||n.isMeshToonNodeMaterial)&&!1===n.wireframe){const l=this._getOutlineMaterial(n);t.renderObject(e,r,s,i,l,a,o,u)}t.renderObject(e,r,s,i,n,a,o,u)}),super.updateBefore(e),t.setRenderObjectFunction(r)}_createMaterial(){const e=new Ug;e.isMeshToonOutlineMaterial=!0,e.name="Toon_Outline",e.side=F;const t=Rc.negate(),r=Id.mul(uc),s=Tn(1),i=r.mul(Ln(gc,1)),n=r.mul(Ln(gc.add(t),1)),a=Ao(i.sub(n));return e.vertexNode=i.add(a.mul(this.thicknessNode).mul(i.w).mul(s)),e.colorNode=Ln(this.colorNode,this.alphaNode),e}_getOutlineMaterial(e){let t=this._materialCache.get(e);return void 0===t&&(t=this._createMaterial(),this._materialCache.set(e,t)),t}}const FT=gn(([e,t])=>e.mul(t).clamp()).setLayout({name:"linearToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),PT=gn(([e,t])=>(e=e.mul(t)).div(e.add(1)).clamp()).setLayout({name:"reinhardToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),UT=gn(([e,t])=>{const r=(e=(e=e.mul(t)).sub(.004).max(0)).mul(e.mul(6.2).add(.5)),s=e.mul(e.mul(6.2).add(1.7)).add(.06);return r.div(s).pow(2.2)}).setLayout({name:"cineonToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),DT=gn(([e])=>{const t=e.mul(e.add(.0245786)).sub(90537e-9),r=e.mul(e.add(.432951).mul(.983729)).add(.238081);return t.div(r)}),OT=gn(([e,t])=>{const r=On(.59719,.35458,.04823,.076,.90834,.01566,.0284,.13383,.83777),s=On(1.60475,-.53108,-.07367,-.10208,1.10813,-.00605,-.00327,-.07276,1.07602);return e=e.mul(t).div(.6),e=r.mul(e),e=DT(e),(e=s.mul(e)).clamp()}).setLayout({name:"acesFilmicToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),IT=On(An(1.6605,-.1246,-.0182),An(-.5876,1.1329,-.1006),An(-.0728,-.0083,1.1187)),VT=On(An(.6274,.0691,.0164),An(.3293,.9195,.088),An(.0433,.0113,.8956)),kT=gn(([e])=>{const t=An(e).toVar(),r=An(t.mul(t)).toVar(),s=An(r.mul(r)).toVar();return Tn(15.5).mul(s.mul(r)).sub(Va(40.14,s.mul(t))).add(Va(31.96,s).sub(Va(6.868,r.mul(t))).add(Va(.4298,r).add(Va(.1191,t).sub(.00232))))}),GT=gn(([e,t])=>{const r=An(e).toVar(),s=On(An(.856627153315983,.137318972929847,.11189821299995),An(.0951212405381588,.761241990602591,.0767994186031903),An(.0482516061458583,.101439036467562,.811302368396859)),i=On(An(1.1271005818144368,-.1413297634984383,-.14132976349843826),An(-.11060664309660323,1.157823702216272,-.11060664309660294),An(-.016493938717834573,-.016493938717834257,1.2519364065950405)),n=Tn(-12.47393),a=Tn(4.026069);return r.mulAssign(t),r.assign(VT.mul(r)),r.assign(s.mul(r)),r.assign(su(r,1e-10)),r.assign(No(r)),r.assign(r.sub(n).div(a.sub(n))),r.assign(bu(r,0,1)),r.assign(kT(r)),r.assign(i.mul(r)),r.assign(du(su(An(0),r),An(2.2))),r.assign(IT.mul(r)),r.assign(bu(r,0,1)),r}).setLayout({name:"agxToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),$T=gn(([e,t])=>{const r=Tn(.76),s=Tn(.15);e=e.mul(t);const i=ru(e.r,ru(e.g,e.b)),n=Mu(i.lessThan(.08),i.sub(Va(6.25,i.mul(i))),.04);e.subAssign(n);const a=su(e.r,su(e.g,e.b));yn(a.lessThan(r),()=>e);const o=Ia(1,r),u=Ia(1,o.mul(o).div(a.add(o.sub(r))));e.mulAssign(u.div(a));const l=Ia(1,ka(1,s.mul(a.sub(u)).add(1)));return yu(e,An(u),l)}).setLayout({name:"neutralToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]});class zT extends pi{static get type(){return"CodeNode"}constructor(e="",t=[],r=""){super("code"),this.isCodeNode=!0,this.global=!0,this.code=e,this.includes=t,this.language=r}setIncludes(e){return this.includes=e,this}getIncludes(){return this.includes}generate(e){const t=this.getIncludes(e);for(const r of t)r.build(e);const r=e.getCodeFromNode(this,this.getNodeType(e));return r.code=this.code,r.code}serialize(e){super.serialize(e),e.code=this.code,e.language=this.language}deserialize(e){super.deserialize(e),this.code=e.code,this.language=e.language}}const WT=un(zT).setParameterLength(1,3);class HT extends zT{static get type(){return"FunctionNode"}constructor(e="",t=[],r=""){super(e,t,r)}generateNodeType(e){return this.getNodeFunction(e).type}getMemberType(e,t){const r=this.getNodeType(e);return e.getStructTypeNode(r).getMemberType(e,t)}getInputs(e){return this.getNodeFunction(e).inputs}getNodeFunction(e){const t=e.getDataFromNode(this);let r=t.nodeFunction;return void 0===r&&(r=e.parser.parseFunction(this.code),t.nodeFunction=r),r}generate(e,t){super.generate(e);const r=this.getNodeFunction(e),s=r.name,i=r.type,n=e.getCodeFromNode(this,i);""!==s&&(n.name=s);const a=e.getPropertyName(n),o=this.getNodeFunction(e).getCode(a);return n.code=o+"\n","property"===t?a:e.format(`${a}()`,i,t)}}const jT=(e,t=[],r="")=>{const s=new HT(e,t,r);return cn((...e)=>s.call(...e),s)};function qT(e){let t;const r=e.context.getViewZ;return void 0!==r&&(t=r(this)),(t||bc.z).negate()}const XT=gn(([e,t],r)=>{const s=qT(r);return _u(e,t,s)}),YT=gn(([e],t)=>{const r=qT(t);return e.mul(e,r,r).negate().exp().oneMinus()}),KT=gn(([e,t],r)=>{const s=qT(r),i=t.sub(fc.y).max(0).toConst().mul(s).toConst();return e.mul(e,i,i).negate().exp().oneMinus()}),QT=gn(([e,t])=>Ln(t.toFloat().mix(da.rgb,e.toVec3()),da.a));let ZT=null,JT=null;class e_ extends pi{static get type(){return"RangeNode"}constructor(e=Tn(),t=Tn()){super(),this.minNode=e,this.maxNode=t}getVectorLength(e){const t=this.getConstNode(this.minNode),r=this.getConstNode(this.maxNode),s=e.getTypeLength(Qs(t.value)),i=e.getTypeLength(Qs(r.value));return s>i?s:i}generateNodeType(e){return e.object.count>1?e.getTypeFromLength(this.getVectorLength(e)):"float"}getConstNode(e){let t=null;if(e.traverse(e=>{!0===e.isConstNode&&(t=e)}),null===t)throw new Kl('THREE.TSL: No "ConstNode" found in node graph.',this.stackTrace);return t}setup(e){const t=e.object;let r=null;if(t.count>1){const i=this.getConstNode(this.minNode),n=this.getConstNode(this.maxNode),a=i.value,o=n.value,u=e.getTypeLength(Qs(a)),d=e.getTypeLength(Qs(o));ZT=ZT||new s,JT=JT||new s,ZT.setScalar(0),JT.setScalar(0),1===u?ZT.setScalar(a):a.isColor?ZT.set(a.r,a.g,a.b,1):ZT.set(a.x,a.y,a.z||0,a.w||0),1===d?JT.setScalar(o):o.isColor?JT.set(o.r,o.g,o.b,1):JT.set(o.x,o.y,o.z||0,o.w||0);const c=4,h=c*t.count,p=new Float32Array(h);for(let e=0;e<h;e++){const t=e%c,r=ZT.getComponent(t),s=JT.getComponent(t);p[e]=l.lerp(r,s,Math.random())}const g=this.getNodeType(e);if(4*t.count*4<=e.getUniformBufferLimit())r=sd(p,"vec4",t.count).element(fl).convert(g);else{const t=new j(p,4);e.geometry.setAttribute("__range"+this.id,t),r=hl(t).convert(g)}}else r=Tn(0);return r}}const t_=un(e_).setParameterLength(2);class r_ extends pi{static get type(){return"ComputeBuiltinNode"}constructor(e,t){super(t),this._builtinName=e}getHash(e){return this.getBuiltinName(e)}generateNodeType(){return this.nodeType}setBuiltinName(e){return this._builtinName=e,this}getBuiltinName(){return this._builtinName}hasBuiltin(e){return e.hasBuiltin(this._builtinName)}generate(e,t){const r=this.getBuiltinName(e),s=this.getNodeType(e);return"compute"===e.shaderStage?e.format(r,s,t):(d(`ComputeBuiltinNode: Compute built-in value ${r} can not be accessed in the ${e.shaderStage} stage`),e.generateConst(s))}serialize(e){super.serialize(e),e.global=this.global,e._builtinName=this._builtinName}deserialize(e){super.deserialize(e),this.global=e.global,this._builtinName=e._builtinName}}const s_=(e,t)=>new r_(e,t),i_=s_("numWorkgroups","uvec3"),n_=s_("workgroupId","uvec3"),a_=s_("globalId","uvec3"),o_=s_("localId","uvec3"),u_=s_("subgroupSize","uint");class l_ extends pi{constructor(e){super(),this.scope=e,this.isBarrierNode=!0}setup(e){e.allowEarlyReturns=!1,e.allowGlobalVariables=!1}generate(e){const{scope:t}=this,{renderer:r}=e;!0===r.backend.isWebGLBackend?e.addFlowCode(`\t// ${t}Barrier \n`):e.addLineFlowCode(`${t}Barrier()`,this)}}const d_=un(l_);class c_ extends gi{constructor(e,t){super(e,t),this.isWorkgroupInfoElementNode=!0}generate(e,t){let r;const s=e.isContextAssign();if(r=super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}class h_ extends pi{constructor(e,t,r=0){super(t),this.bufferType=t,this.bufferCount=r,this.isWorkgroupInfoNode=!0,this.elementType=t,this.scope=e,this.name=""}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.',new Vs),this.setName(e)}setScope(e){return this.scope=e,this}getElementType(){return this.elementType}getInputType(){return`${this.scope}Array`}element(e){return new c_(this,e)}generate(e){const t=""!==this.name?this.name:`${this.scope}Array_${this.id}`;return e.getScopedArray(t,this.scope.toLowerCase(),this.bufferType,this.bufferCount)}}class p_ extends pi{static get type(){return"AtomicFunctionNode"}constructor(e,t,r){super("uint"),this.method=e,this.pointerNode=t,this.valueNode=r,this.parents=!0}getInputType(e){return this.pointerNode.getNodeType(e)}generateNodeType(e){return this.getInputType(e)}generate(e){const t=e.getNodeProperties(this),r=t.parents,s=this.method,i=this.getNodeType(e),n=this.getInputType(e),a=this.pointerNode,o=this.valueNode,u=[];u.push(`&${a.build(e,n)}`),null!==o&&u.push(o.build(e,n));const l=`${e.getMethod(s,i)}( ${u.join(", ")} )`;if(!(!!r&&(1===r.length&&!0===r[0].isStackNode)))return void 0===t.constNode&&(t.constNode=Ll(l,i).toConst()),t.constNode.build(e);e.addLineFlowCode(l,this)}}p_.ATOMIC_LOAD="atomicLoad",p_.ATOMIC_STORE="atomicStore",p_.ATOMIC_ADD="atomicAdd",p_.ATOMIC_SUB="atomicSub",p_.ATOMIC_MAX="atomicMax",p_.ATOMIC_MIN="atomicMin",p_.ATOMIC_AND="atomicAnd",p_.ATOMIC_OR="atomicOr",p_.ATOMIC_XOR="atomicXor";const g_=un(p_),m_=(e,t,r)=>g_(e,t,r).toStack();class f_ extends fi{static get type(){return"SubgroupFunctionNode"}constructor(e,t=null,r=null){super(),this.method=e,this.aNode=t,this.bNode=r}getInputType(e){const t=this.aNode?this.aNode.getNodeType(e):null,r=this.bNode?this.bNode.getNodeType(e):null;return(e.isMatrix(t)?0:e.getTypeLength(t))>(e.isMatrix(r)?0:e.getTypeLength(r))?t:r}generateNodeType(e){const t=this.method;return t===f_.SUBGROUP_ELECT?"bool":t===f_.SUBGROUP_BALLOT?"uvec4":this.getInputType(e)}generate(e,t){const r=this.method,s=this.getNodeType(e),i=this.getInputType(e),n=this.aNode,a=this.bNode,o=[];if(r===f_.SUBGROUP_BROADCAST||r===f_.SUBGROUP_SHUFFLE||r===f_.QUAD_BROADCAST){const t=a.getNodeType(e);o.push(n.build(e,s),a.build(e,"float"===t?"int":s))}else r===f_.SUBGROUP_SHUFFLE_XOR||r===f_.SUBGROUP_SHUFFLE_DOWN||r===f_.SUBGROUP_SHUFFLE_UP?o.push(n.build(e,s),a.build(e,"uint")):(null!==n&&o.push(n.build(e,i)),null!==a&&o.push(a.build(e,i)));const u=0===o.length?"()":`( ${o.join(", ")} )`;return e.format(`${e.getMethod(r,s)}${u}`,s,t)}serialize(e){super.serialize(e),e.method=this.method}deserialize(e){super.deserialize(e),this.method=e.method}}f_.SUBGROUP_ELECT="subgroupElect",f_.SUBGROUP_BALLOT="subgroupBallot",f_.SUBGROUP_ADD="subgroupAdd",f_.SUBGROUP_INCLUSIVE_ADD="subgroupInclusiveAdd",f_.SUBGROUP_EXCLUSIVE_AND="subgroupExclusiveAdd",f_.SUBGROUP_MUL="subgroupMul",f_.SUBGROUP_INCLUSIVE_MUL="subgroupInclusiveMul",f_.SUBGROUP_EXCLUSIVE_MUL="subgroupExclusiveMul",f_.SUBGROUP_AND="subgroupAnd",f_.SUBGROUP_OR="subgroupOr",f_.SUBGROUP_XOR="subgroupXor",f_.SUBGROUP_MIN="subgroupMin",f_.SUBGROUP_MAX="subgroupMax",f_.SUBGROUP_ALL="subgroupAll",f_.SUBGROUP_ANY="subgroupAny",f_.SUBGROUP_BROADCAST_FIRST="subgroupBroadcastFirst",f_.QUAD_SWAP_X="quadSwapX",f_.QUAD_SWAP_Y="quadSwapY",f_.QUAD_SWAP_DIAGONAL="quadSwapDiagonal",f_.SUBGROUP_BROADCAST="subgroupBroadcast",f_.SUBGROUP_SHUFFLE="subgroupShuffle",f_.SUBGROUP_SHUFFLE_XOR="subgroupShuffleXor",f_.SUBGROUP_SHUFFLE_UP="subgroupShuffleUp",f_.SUBGROUP_SHUFFLE_DOWN="subgroupShuffleDown",f_.QUAD_BROADCAST="quadBroadcast";const y_=dn(f_,f_.SUBGROUP_ELECT).setParameterLength(0),b_=dn(f_,f_.SUBGROUP_BALLOT).setParameterLength(1),x_=dn(f_,f_.SUBGROUP_ADD).setParameterLength(1),T_=dn(f_,f_.SUBGROUP_INCLUSIVE_ADD).setParameterLength(1),__=dn(f_,f_.SUBGROUP_EXCLUSIVE_AND).setParameterLength(1),v_=dn(f_,f_.SUBGROUP_MUL).setParameterLength(1),N_=dn(f_,f_.SUBGROUP_INCLUSIVE_MUL).setParameterLength(1),S_=dn(f_,f_.SUBGROUP_EXCLUSIVE_MUL).setParameterLength(1),R_=dn(f_,f_.SUBGROUP_AND).setParameterLength(1),E_=dn(f_,f_.SUBGROUP_OR).setParameterLength(1),w_=dn(f_,f_.SUBGROUP_XOR).setParameterLength(1),A_=dn(f_,f_.SUBGROUP_MIN).setParameterLength(1),C_=dn(f_,f_.SUBGROUP_MAX).setParameterLength(1),M_=dn(f_,f_.SUBGROUP_ALL).setParameterLength(0),B_=dn(f_,f_.SUBGROUP_ANY).setParameterLength(0),L_=dn(f_,f_.SUBGROUP_BROADCAST_FIRST).setParameterLength(2),F_=dn(f_,f_.QUAD_SWAP_X).setParameterLength(1),P_=dn(f_,f_.QUAD_SWAP_Y).setParameterLength(1),U_=dn(f_,f_.QUAD_SWAP_DIAGONAL).setParameterLength(1),D_=dn(f_,f_.SUBGROUP_BROADCAST).setParameterLength(2),O_=dn(f_,f_.SUBGROUP_SHUFFLE).setParameterLength(2),I_=dn(f_,f_.SUBGROUP_SHUFFLE_XOR).setParameterLength(2),V_=dn(f_,f_.SUBGROUP_SHUFFLE_UP).setParameterLength(2),k_=dn(f_,f_.SUBGROUP_SHUFFLE_DOWN).setParameterLength(2),G_=dn(f_,f_.QUAD_BROADCAST).setParameterLength(1);let $_;function z_(e){$_=$_||new WeakMap;let t=$_.get(e);return void 0===t&&$_.set(e,t={}),t}function W_(e){const t=z_(e);return t.shadowMatrix||(t.shadowMatrix=Aa("mat4").setGroup(Ra).onRenderUpdate(t=>(!0===e.castShadow&&!1!==t.renderer.shadowMap.enabled||(e.shadow.camera.coordinateSystem!==t.camera.coordinateSystem&&(e.shadow.camera.coordinateSystem=t.camera.coordinateSystem,e.shadow.camera.updateProjectionMatrix()),e.shadow.updateMatrices(e)),e.shadow.matrix)))}function H_(e,t=fc){const r=W_(e).mul(t);return r.xyz.div(r.w)}function j_(e){const t=z_(e);return t.position||(t.position=Aa(new r).setGroup(Ra).onRenderUpdate((t,r)=>r.value.setFromMatrixPosition(e.matrixWorld)))}function q_(e){const t=z_(e);return t.targetPosition||(t.targetPosition=Aa(new r).setGroup(Ra).onRenderUpdate((t,r)=>r.value.setFromMatrixPosition(e.target.matrixWorld)))}function X_(e){const t=z_(e);return t.viewPosition||(t.viewPosition=Aa(new r).setGroup(Ra).onRenderUpdate(({camera:t},s)=>{s.value=s.value||new r,s.value.setFromMatrixPosition(e.matrixWorld),s.value.applyMatrix4(t.matrixWorldInverse)}))}const Y_=e=>kd.transformDirection(j_(e).sub(q_(e))),K_=$n("vec3","totalDiffuse"),Q_=$n("vec3","totalSpecular"),Z_=$n("vec3","outgoingLight"),J_=(e,t)=>{for(const r of t)if(r.isAnalyticLightNode&&r.light.id===e)return r;return null},ev=new WeakMap,tv=[];class rv extends pi{static get type(){return"LightsNode"}constructor(){super("vec3"),this.totalDiffuseNode=K_,this.totalSpecularNode=Q_,this.outgoingLightNode=Z_,this._lights=[],this.global=!0}customCacheKey(){const e=this._lights;for(let t=0;t<e.length;t++){const r=e[t];if(tv.push(r.id),tv.push(r.castShadow?1:0),!0===r.isSpotLight){const e=null!==r.map?r.map.id:-1,t=r.colorNode?r.colorNode.getCacheKey():-1;tv.push(e,t)}}const t=$s(tv);return tv.length=0,t}getHash(e){const t=e.getDataFromNode(this);if(void 0===t.lightNodesHash){const r=this.setupLightsNode(e);t.lightNodes=r;const s=[];for(const e of r)s.push(e.getHash());t.lightNodesHash="lights-"+s.join(",")}return t.lightNodesHash}analyze(e){const t=e.getNodeProperties(this);for(const r of t.nodes)r.build(e);t.outputNode.build(e)}setupLightsNode(e){const t=[],r=e.getDataFromNode(this).lightNodes||null,s=(e=>e.sort((e,t)=>e.id-t.id))([...e.context.materialLightings,...this._lights]),i=e.renderer.library;for(const e of s)if(e.isNode)t.push(e);else{let s=null;if(null!==r&&(s=J_(e.id,r)),null===s){const t=i.getLightNodeClass(e.constructor);if(null===t){d(`LightsNode.setupNodeLights: Light node not found for ${e.constructor.name}`);continue}!1===ev.has(e)&&ev.set(e,new t(e)),s=ev.get(e)}t.push(s)}return t}setupDirectLight(e,t,r){const{lightingModel:s,reflectedLight:i}=e.context;s.direct({...r,lightNode:t,reflectedLight:i},e)}setupDirectRectAreaLight(e,t,r){const{lightingModel:s,reflectedLight:i}=e.context;s.directRectArea({...r,lightNode:t,reflectedLight:i},e)}setupLights(e,t){for(const r of t)r.build(e)}getLightNodes(e){const t=e.getDataFromNode(this);return void 0===t.lightNodes&&(t.lightNodes=this.setupLightsNode(e)),t.lightNodes}setup(e){const t=e.lightsNode;e.lightsNode=this;let r=this.outgoingLightNode;const s=e.context,i=s.lightingModel,n=e.getNodeProperties(this);if(i){const{totalDiffuseNode:t,totalSpecularNode:a}=this;s.outgoingLight=r;const o=e.addStack();n.nodes=o.nodes,i.start(e);const{backdrop:u,backdropAlpha:l}=s,{directDiffuse:d,directSpecular:c,indirectDiffuse:h,indirectSpecular:p}=s.reflectedLight;let g=d.add(h);null!==u&&(g=An(null!==l?l.mix(g,u):u)),t.assign(g),a.assign(c.add(p)),r.assign(t.add(a)),i.finish(e),r=r.bypass(e.removeStack())}else n.nodes=[];return e.lightsNode=t,r}setLights(e){return this._lights=e,this}getLights(){return this._lights}get hasLights(){return this._lights.length>0}}class sv extends pi{static get type(){return"ShadowBaseNode"}constructor(e){super(),this.light=e,this.updateBeforeType=ii.RENDER,this.isShadowBaseNode=!0}setupShadowPosition({context:e,material:t}){iv.assign(t.receivedShadowPositionNode||e.shadowPositionWorld||fc)}}const iv=$n("vec3","shadowPositionWorld");function nv(t,r={}){return r.toneMapping=t.toneMapping,r.toneMappingExposure=t.toneMappingExposure,r.outputColorSpace=t.outputColorSpace,r.renderTarget=t.getRenderTarget(),r.activeCubeFace=t.getActiveCubeFace(),r.activeMipmapLevel=t.getActiveMipmapLevel(),r.renderObjectFunction=t.getRenderObjectFunction(),r.pixelRatio=t.getPixelRatio(),r.mrt=t.getMRT(),r.clearColor=t.getClearColor(r.clearColor||new e),r.clearAlpha=t.getClearAlpha(),r.autoClear=t.autoClear,r.scissorTest=t.getScissorTest(),r}function av(e,t){return t=nv(e,t),e.setMRT(null),e.setRenderObjectFunction(null),e.setClearColor(0,1),e.autoClear=!0,t}function ov(e,t){e.toneMapping=t.toneMapping,e.toneMappingExposure=t.toneMappingExposure,e.outputColorSpace=t.outputColorSpace,e.setRenderTarget(t.renderTarget,t.activeCubeFace,t.activeMipmapLevel),e.setRenderObjectFunction(t.renderObjectFunction),e.setPixelRatio(t.pixelRatio),e.setMRT(t.mrt),e.setClearColor(t.clearColor,t.clearAlpha),e.autoClear=t.autoClear,e.setScissorTest(t.scissorTest)}function uv(e,t={}){return t.background=e.background,t.backgroundNode=e.backgroundNode,t.overrideMaterial=e.overrideMaterial,t}function lv(e,t){return t=uv(e,t),e.background=null,e.backgroundNode=null,e.overrideMaterial=null,t}function dv(e,t){e.background=t.background,e.backgroundNode=t.backgroundNode,e.overrideMaterial=t.overrideMaterial}function cv(e,t,r){return r=lv(t,r=av(e,r))}function hv(e,t,r){ov(e,r),dv(t,r)}var pv=Object.freeze({__proto__:null,resetRendererAndSceneState:cv,resetRendererState:av,resetSceneState:lv,restoreRendererAndSceneState:hv,restoreRendererState:ov,restoreSceneState:dv,saveRendererAndSceneState:function(e,t,r={}){return r=uv(t,r=nv(e,r))},saveRendererState:nv,saveSceneState:uv});const gv=new WeakMap,mv=gn(({depthTexture:e,shadowCoord:t,depthLayer:r})=>{let s=ed(e,t.xy).setName("t_basic");return e.isArrayTexture&&(s=s.depth(r)),s.compare(t.z)}),fv=gn(({depthTexture:e,shadowCoord:t,shadow:r,depthLayer:s})=>{const i=(t,r)=>{let i=ed(e,t);return e.isArrayTexture&&(i=i.depth(s)),i.compare(r)},n=Qc("mapSize","vec2",r).setGroup(Ra),a=Qc("radius","float",r).setGroup(Ra),o=Sn(1).div(n),u=a.mul(o.x),l=zx(md.xy).mul(6.28318530718);return Oa(i(t.xy.add(Wx(0,5,l).mul(u)),t.z),i(t.xy.add(Wx(1,5,l).mul(u)),t.z),i(t.xy.add(Wx(2,5,l).mul(u)),t.z),i(t.xy.add(Wx(3,5,l).mul(u)),t.z),i(t.xy.add(Wx(4,5,l).mul(u)),t.z)).mul(.2)}),yv=gn(({depthTexture:e,shadowCoord:t,shadow:r,depthLayer:s})=>{const i=Qc("mapSize","vec2",r).setGroup(Ra),n=Sn(1).div(i),a=t.xy,o=Co(a.mul(i).add(.5)).toConst();a.subAssign(o.sub(.5).mul(n));const u=r=>{let i=ed(e,a).offset(r).gather();return e.isArrayTexture&&(i=i.depth(s)),i.compare(t.z)},l=u(Rn(-1,1)).toConst(),d=u(Rn(1,1)).toConst(),c=u(Rn(-1,-1)).toConst(),h=u(Rn(1,-1)).toConst();return Oa(yu(l.x,d.y,o.x).add(l.y).add(d.x).mul(o.y),yu(l.w,d.z,o.x).add(l.z).add(d.w),yu(c.x,h.y,o.x).add(c.y).add(h.x),yu(c.w,h.z,o.x).add(c.z).add(h.w).mul(o.y.oneMinus())).mul(1/9)}),bv=gn(({depthTexture:e,shadowCoord:t,depthLayer:r},s)=>{let i=ed(e).sample(t.xy);e.isArrayTexture&&(i=i.depth(r)),i=i.rg;const n=i.x,a=su(1e-7,i.y.mul(i.y)),o=s.renderer.reversedDepthBuffer?iu(n,t.z):iu(t.z,n),u=Tn(1).toVar();return yn(o.notEqual(1),()=>{const e=t.z.sub(n);let r=a.div(a.add(e.mul(e)));r=bu(Ia(r,.3).div(.65)),u.assign(su(o,r))}),u}),xv=e=>{let t=gv.get(e);return void 0===t&&(t=new Ug,t.colorNode=Ln(0,0,0,1),t.isShadowPassMaterial=!0,t.name="ShadowMaterial",t.blending=re,t.fog=!1,gv.set(e,t)),t},Tv=e=>{const t=gv.get(e);void 0!==t&&(t.dispose(),gv.delete(e))},_v=new Gy,vv=[],Nv=(e,t,r,s)=>{vv[0]=e,vv[1]=t;let i=_v.get(vv);return void 0!==i&&i.shadowType===r&&i.useVelocity===s||(i=(i,n,a,o,u,l,...d)=>{(!0===i.castShadow||i.receiveShadow&&r===pt)&&(s&&(Js(i).useVelocity=!0),i.onBeforeShadow(e,i,a,t.camera,o,n.overrideMaterial,l),e.renderObject(i,n,a,o,u,l,...d),i.onAfterShadow(e,i,a,t.camera,o,n.overrideMaterial,l))},i.shadowType=r,i.useVelocity=s,_v.set(vv,i)),vv[0]=null,vv[1]=null,i},Sv=gn(({samples:e,radius:t,size:r,shadowPass:s,depthLayer:i})=>{const n=Tn(0).toVar("meanVertical"),a=Tn(0).toVar("squareMeanVertical"),o=e.lessThanEqual(Tn(1)).select(Tn(0),Tn(2).div(e.sub(1))),u=e.lessThanEqual(Tn(1)).select(Tn(0),Tn(-1));Kp({start:_n(0),end:_n(e),type:"int",condition:"<"},({i:e})=>{const l=u.add(Tn(e).mul(o));let d=s.sample(Oa(md.xy,Sn(0,l).mul(t)).div(r));s.value.isArrayTexture&&(d=d.depth(i)),d=d.x,n.addAssign(d),a.addAssign(d.mul(d))}),n.divAssign(e),a.divAssign(e);const l=So(a.sub(n.mul(n)).max(0));return Sn(n,l)}),Rv=gn(({samples:e,radius:t,size:r,shadowPass:s,depthLayer:i})=>{const n=Tn(0).toVar("meanHorizontal"),a=Tn(0).toVar("squareMeanHorizontal"),o=e.lessThanEqual(Tn(1)).select(Tn(0),Tn(2).div(e.sub(1))),u=e.lessThanEqual(Tn(1)).select(Tn(0),Tn(-1));Kp({start:_n(0),end:_n(e),type:"int",condition:"<"},({i:e})=>{const l=u.add(Tn(e).mul(o));let d=s.sample(Oa(md.xy,Sn(l,0).mul(t)).div(r));s.value.isArrayTexture&&(d=d.depth(i)),n.addAssign(d.x),a.addAssign(Oa(d.y.mul(d.y),d.x.mul(d.x)))}),n.divAssign(e),a.divAssign(e);const l=So(a.sub(n.mul(n)).max(0));return Sn(n,l)}),Ev=[mv,fv,yv,bv];let wv;const Av=new Dx;class Cv extends sv{static get type(){return"ShadowNode"}constructor(e,t=null){super(e),this.shadow=t||e.shadow,this.shadowMap=null,this.vsmShadowMapVertical=null,this.vsmShadowMapHorizontal=null,this.vsmMaterialVertical=null,this.vsmMaterialHorizontal=null,this._node=null,this._currentShadowType=null,this._cameraFrameId=new WeakMap,this.isShadowNode=!0,this.depthLayer=0}setupShadowFilter(e,{filterFn:t,depthTexture:r,shadowCoord:s,shadow:i,depthLayer:n}){const a=s.x.greaterThanEqual(0).and(s.x.lessThanEqual(1)).and(s.y.greaterThanEqual(0)).and(s.y.lessThanEqual(1)).and(s.z.lessThanEqual(1)),o=t({depthTexture:r,shadowCoord:s,shadow:i,depthLayer:n});return a.select(o,Tn(1))}setupShadowCoord(e,t){const{shadow:r}=this,{renderer:s}=e,i=r.biasNode||Qc("bias","float",r).setGroup(Ra);let n,a=t;if(r.camera.isOrthographicCamera||!0!==s.logarithmicDepthBuffer)a=a.xyz.div(a.w),n=a.z;else{const e=a.w;a=a.xy.div(e);const t=Qc("near","float",r.camera).setGroup(Ra),s=Qc("far","float",r.camera).setGroup(Ra);n=Sg(e.negate(),t,s)}return a=An(a.x,a.y.oneMinus(),s.reversedDepthBuffer?n.sub(i):n.add(i)),a}getShadowFilterFn(e){return Ev[e]}setupRenderTarget(e,t){const r=new Z(e.mapSize.width,e.mapSize.height);r.name="ShadowDepthTexture",r.compareFunction=t.renderer.reversedDepthBuffer?M:A;const s=t.createRenderTarget(e.mapSize.width,e.mapSize.height);return s.texture.name="ShadowMap",s.texture.type=e.mapType,s.depthTexture=r,{shadowMap:s,depthTexture:r}}setupShadow(e){const{renderer:t,camera:r}=e,{light:s,shadow:i}=this,{depthTexture:n,shadowMap:a}=this.setupRenderTarget(i,e),o=t.shadowMap.type,u=t.hasCompatibility(E.TEXTURE_COMPARE);if(o!==ct&&o!==ht||!u?(n.minFilter=B,n.magFilter=B):(n.minFilter=le,n.magFilter=le),i.camera.coordinateSystem=r.coordinateSystem,i.camera.updateProjectionMatrix(),o===pt&&!0!==i.isPointLightShadow){n.compareFunction=null,a.depth>1?(a._vsmShadowMapVertical||(a._vsmShadowMapVertical=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:z,type:Te,depth:a.depth,depthBuffer:!1}),a._vsmShadowMapVertical.texture.name="VSMVertical"),this.vsmShadowMapVertical=a._vsmShadowMapVertical,a._vsmShadowMapHorizontal||(a._vsmShadowMapHorizontal=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:z,type:Te,depth:a.depth,depthBuffer:!1}),a._vsmShadowMapHorizontal.texture.name="VSMHorizontal"),this.vsmShadowMapHorizontal=a._vsmShadowMapHorizontal):(this.vsmShadowMapVertical=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:z,type:Te,depthBuffer:!1}),this.vsmShadowMapHorizontal=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:z,type:Te,depthBuffer:!1}));let t=ed(n);n.isArrayTexture&&(t=t.depth(this.depthLayer));let r=ed(this.vsmShadowMapVertical.texture);n.isArrayTexture&&(r=r.depth(this.depthLayer));const s=Qc("blurSamples","float",i).setGroup(Ra),o=Qc("radius","float",i).setGroup(Ra),u=Qc("mapSize","vec2",i).setGroup(Ra);let l=this.vsmMaterialVertical||(this.vsmMaterialVertical=new Ug);l.fragmentNode=Sv({samples:s,radius:o,size:u,shadowPass:t,depthLayer:this.depthLayer}).context(e.getSharedContext()),l.name="VSMVertical",l=this.vsmMaterialHorizontal||(this.vsmMaterialHorizontal=new Ug),l.fragmentNode=Rv({samples:s,radius:o,size:u,shadowPass:r,depthLayer:this.depthLayer}).context(e.getSharedContext()),l.name="VSMHorizontal"}const l=Qc("intensity","float",i).setGroup(Ra),d=Qc("normalBias","float",i).setGroup(Ra),c=W_(s),h=Mc.mul(d);let p;if(!t.highPrecision||e.material.receivedShadowPositionNode||e.context.shadowPositionWorld)p=c.mul(iv.add(h));else{p=Aa("mat4").onObjectUpdate(({object:e},t)=>t.value.multiplyMatrices(c.value,e.matrixWorld)).mul(gc).add(c.mul(Ln(h,0)))}const g=this.setupShadowCoord(e,p),m=i.filterNode||this.getShadowFilterFn(t.shadowMap.type)||null;if(null===m)throw new Error("THREE.WebGPURenderer: Shadow map type not supported yet.");const f=o===pt&&!0!==i.isPointLightShadow?this.vsmShadowMapHorizontal.texture:n,y=this.setupShadowFilter(e,{filterFn:m,shadowTexture:a.texture,depthTexture:f,shadowCoord:g,shadow:i,depthLayer:this.depthLayer});let b,x;!0===t.shadowMap.transmitted&&(a.texture.isCubeTexture?b=Xc(a.texture,g.xyz):(b=ed(a.texture,g),n.isArrayTexture&&(b=b.depth(this.depthLayer)))),x=b?yu(1,y.rgb.mix(b,1),l.mul(b.a)).toVar():yu(1,y,l).toVar(),this.shadowMap=a,this.shadow.map=a;const T=`${this.light.type} Shadow [ ${this.light.name||"ID: "+this.light.id} ]`;return b&&x.toInspector(`${T} / Color`,()=>this.shadowMap.texture.isCubeTexture?Xc(this.shadowMap.texture):ed(this.shadowMap.texture)),x.toInspector(`${T} / Depth`,()=>this.shadowMap.texture.isCubeTexture?Xc(this.shadowMap.texture).r.oneMinus():td(this.shadowMap.depthTexture,Hl().mul(ql(ed(this.shadowMap.depthTexture)))).r.oneMinus())}setup(e){if(!1!==e.renderer.shadowMap.enabled)return gn(()=>{const t=e.renderer.shadowMap.type;this._currentShadowType!==t&&(this._reset(),this._node=null);let r=this._node;return this.setupShadowPosition(e),null===r&&(this._node=r=this.setupShadow(e),this._currentShadowType=t),e.material.receivedShadowNode&&(r=e.material.receivedShadowNode(r)),r})()}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e;t.updateMatrices(s),r.setSize(t.mapSize.width,t.mapSize.height,r.depth);const a=n.name;n.name=`Shadow Map [ ${s.name||"ID: "+s.id} ]`,i.render(n,t.camera),n.name=a}updateShadow(e){const{shadowMap:t,light:r,shadow:s}=this,{renderer:i,scene:n,camera:a}=e,o=i.shadowMap.type,u=t.depthTexture.version;this._depthVersionCached=u;const l=s.camera.layers.mask;4294967294&s.camera.layers.mask||(s.camera.layers.mask=a.layers.mask);const d=i.getRenderObjectFunction(),c=i.getMRT(),h=!!c&&c.has("velocity");wv=cv(i,n,wv),n.overrideMaterial=xv(r),i.setRenderObjectFunction(Nv(i,s,o,h)),i.setClearColor(0,0),i.setRenderTarget(t),this.renderShadow(e),i.setRenderObjectFunction(d),o===pt&&!0!==s.isPointLightShadow&&this.vsmPass(i),s.camera.layers.mask=l,hv(i,n,wv)}vsmPass(e){const{shadow:t}=this,r=this.shadowMap.depth;this.vsmShadowMapVertical.setSize(t.mapSize.width,t.mapSize.height,r),this.vsmShadowMapHorizontal.setSize(t.mapSize.width,t.mapSize.height,r),e.setRenderTarget(this.vsmShadowMapVertical),Av.material=this.vsmMaterialVertical,Av.render(e),e.setRenderTarget(this.vsmShadowMapHorizontal),Av.material=this.vsmMaterialHorizontal,Av.render(e)}dispose(){this._reset(),super.dispose()}_reset(){this._currentShadowType=null,Tv(this.light),this.shadowMap&&(this.shadowMap.dispose(),this.shadowMap=null),null!==this.vsmShadowMapVertical&&(this.vsmShadowMapVertical.dispose(),this.vsmShadowMapVertical=null,this.vsmMaterialVertical.dispose(),this.vsmMaterialVertical=null),null!==this.vsmShadowMapHorizontal&&(this.vsmShadowMapHorizontal.dispose(),this.vsmShadowMapHorizontal=null,this.vsmMaterialHorizontal.dispose(),this.vsmMaterialHorizontal=null)}updateBefore(e){const{shadow:t}=this;let r=t.needsUpdate||t.autoUpdate;r&&(this._cameraFrameId[e.camera]===e.frameId&&(r=!1),this._cameraFrameId[e.camera]=e.frameId),r&&(this.updateShadow(e),this.shadowMap.depthTexture.version===this._depthVersionCached&&(t.needsUpdate=!1))}}const Mv=(e,t)=>new Cv(e,t),Bv=new e,Lv=new a,Fv=new r,Pv=new r,Uv=[new r(1,0,0),new r(-1,0,0),new r(0,-1,0),new r(0,1,0),new r(0,0,1),new r(0,0,-1)],Dv=[new r(0,-1,0),new r(0,-1,0),new r(0,0,-1),new r(0,0,1),new r(0,-1,0),new r(0,-1,0)],Ov=[new r(1,0,0),new r(-1,0,0),new r(0,1,0),new r(0,-1,0),new r(0,0,1),new r(0,0,-1)],Iv=[new r(0,-1,0),new r(0,-1,0),new r(0,0,1),new r(0,0,-1),new r(0,-1,0),new r(0,-1,0)],Vv=gn(({depthTexture:e,bd3D:t,dp:r})=>Xc(e,t).compare(r)),kv=gn(({depthTexture:e,bd3D:t,dp:r,shadow:s})=>{const i=Qc("radius","float",s).setGroup(Ra),n=Qc("mapSize","vec2",s).setGroup(Ra),a=i.div(n.x),o=$o(t),u=Ao(lu(t,o.x.greaterThan(o.z).select(An(0,1,0),An(1,0,0)))),l=lu(t,u),d=zx(md.xy).mul(6.28318530718),c=Wx(0,5,d),h=Wx(1,5,d),p=Wx(2,5,d),g=Wx(3,5,d),m=Wx(4,5,d);return Xc(e,t.add(u.mul(c.x).add(l.mul(c.y)).mul(a))).compare(r).add(Xc(e,t.add(u.mul(h.x).add(l.mul(h.y)).mul(a))).compare(r)).add(Xc(e,t.add(u.mul(p.x).add(l.mul(p.y)).mul(a))).compare(r)).add(Xc(e,t.add(u.mul(g.x).add(l.mul(g.y)).mul(a))).compare(r)).add(Xc(e,t.add(u.mul(m.x).add(l.mul(m.y)).mul(a))).compare(r)).mul(.2)}),Gv=gn(({filterFn:e,depthTexture:t,shadowCoord:r,shadow:s},i)=>{const n=r.xyz.toConst(),a=n.abs().toConst(),o=a.x.max(a.y).max(a.z),u=Aa("float").setGroup(Ra).onRenderUpdate(()=>s.camera.near),l=Aa("float").setGroup(Ra).onRenderUpdate(()=>s.camera.far),d=Qc("bias","float",s).setGroup(Ra),c=Tn(1).toVar();return yn(o.sub(l).lessThanEqual(0).and(o.sub(u).greaterThanEqual(0)),()=>{let r;i.renderer.reversedDepthBuffer?(r=vg(o.negate(),u,l),r.subAssign(d)):i.renderer.logarithmicDepthBuffer?(r=Sg(o.negate(),u,l),r.addAssign(d)):(r=_g(o.negate(),u,l),r.addAssign(d));const a=n.normalize();c.assign(e({depthTexture:t,bd3D:a,dp:r,shadow:s}))}),c});class $v extends Cv{static get type(){return"PointShadowNode"}constructor(e,t=null){super(e,t)}getShadowFilterFn(e){return e===gt?Vv:kv}setupShadowCoord(e,t){return t}setupShadowFilter(e,{filterFn:t,depthTexture:r,shadowCoord:s,shadow:i}){return Gv({filterFn:t,depthTexture:r,shadowCoord:s,shadow:i})}setupRenderTarget(e,t){const r=new mt(e.mapSize.width);r.name="PointShadowDepthTexture",r.compareFunction=t.renderer.reversedDepthBuffer?M:A;const s=t.createCubeRenderTarget(e.mapSize.width);return s.texture.name="PointShadowMap",s.depthTexture=r,{shadowMap:s,depthTexture:r}}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e,a=t.camera,o=t.matrix,u=i.coordinateSystem===h,l=u?Uv:Ov,d=u?Dv:Iv;r.setSize(t.mapSize.width,t.mapSize.width);const c=i.autoClear,p=i.getClearColor(Bv),g=i.getClearAlpha();i.autoClear=!1,i.setClearColor(t.clearColor,t.clearAlpha);for(let e=0;e<6;e++){i.setRenderTarget(r,e),i.clear();const u=s.distance||a.far;u!==a.far&&(a.far=u,a.updateProjectionMatrix()),Fv.setFromMatrixPosition(s.matrixWorld),a.position.copy(Fv),Pv.copy(a.position),Pv.add(l[e]),a.up.copy(d[e]),a.lookAt(Pv),a.updateMatrixWorld(),o.makeTranslation(-Fv.x,-Fv.y,-Fv.z),Lv.multiplyMatrices(a.projectionMatrix,a.matrixWorldInverse),t._frustum.setFromProjectionMatrix(Lv,a.coordinateSystem,a.reversedDepth);const c=n.name;n.name=`Point Light Shadow [ ${s.name||"ID: "+s.id} ] - Face ${e+1}`,i.render(n,a),n.name=c}i.autoClear=c,i.setClearColor(p,g)}}const zv=(e,t)=>new $v(e,t);class Wv extends ig{static get type(){return"AnalyticLightNode"}constructor(t=null){super(),this.light=t,this.color=new e,this.colorNode=t&&t.colorNode||Aa(this.color).setGroup(Ra),this.baseColorNode=null,this.shadowNode=null,this.shadowColorNode=null,this.isAnalyticLightNode=!0,this.updateType=ii.FRAME,t&&t.shadow&&(this._shadowDisposeListener=()=>{this.disposeShadow()},t.addEventListener("dispose",this._shadowDisposeListener))}dispose(){this._shadowDisposeListener&&this.light.removeEventListener("dispose",this._shadowDisposeListener),super.dispose()}disposeShadow(){null!==this.shadowNode&&(this.shadowNode.dispose(),this.shadowNode=null),this.shadowColorNode=null,null!==this.baseColorNode&&(this.colorNode=this.baseColorNode,this.baseColorNode=null)}getHash(){return this.light.uuid}getLightVector(e){return X_(this.light).sub(e.context.positionView||bc)}setupDirect(){}setupDirectRectArea(){}setupShadowNode(){return Mv(this.light)}setupShadow(e){const{renderer:t}=e;if(!1===t.shadowMap.enabled)return;let r=this.shadowColorNode;if(null===r){const e=this.light.shadow.shadowNode;let t;t=void 0!==e?sn(e):this.setupShadowNode(),this.shadowNode=t,this.shadowColorNode=r=this.colorNode.mul(t),this.baseColorNode=this.colorNode}e.context.getShadow&&(r=e.context.getShadow(this,e)),this.colorNode=r}setup(e){this.colorNode=this.baseColorNode||this.colorNode,this.light.castShadow?e.object.receiveShadow&&this.setupShadow(e):null!==this.shadowNode&&(this.shadowNode.dispose(),this.shadowNode=null,this.shadowColorNode=null);const t=this.setupDirect(e),r=this.setupDirectRectArea(e);t&&e.lightsNode.setupDirectLight(e,this,t),r&&e.lightsNode.setupDirectRectAreaLight(e,this,r)}update(){const{light:e}=this;this.color.copy(e.color).multiplyScalar(e.intensity)}}const Hv=gn(({lightDistance:e,cutoffDistance:t,decayExponent:r})=>{const s=e.pow(r).max(.01).reciprocal();return t.greaterThan(0).select(s.mul(e.div(t).pow4().oneMinus().clamp().pow2()),s)}),jv=({color:e,lightVector:t,cutoffDistance:r,decayExponent:s})=>{const i=t.normalize(),n=t.length(),a=Hv({lightDistance:n,cutoffDistance:r,decayExponent:s});return{lightDirection:i,lightColor:e.mul(a)}};class qv extends Wv{static get type(){return"PointLightNode"}constructor(e=null){super(e),this.cutoffDistanceNode=Aa(0).setGroup(Ra),this.decayExponentNode=Aa(2).setGroup(Ra)}update(e){const{light:t}=this;super.update(e),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}setupShadowNode(){return zv(this.light)}setupDirect(e){return jv({color:this.colorNode,lightVector:this.getLightVector(e),cutoffDistance:this.cutoffDistanceNode,decayExponent:this.decayExponentNode})}}const Xv=gn(([e=Hl()])=>{const t=e.mul(2),r=t.x.floor(),s=t.y.floor();return r.add(s).mod(2).sign()}),Yv=gn(([e=Hl()],{renderer:t,material:r})=>{const s=fu(e.mul(2).sub(1));let i;if(r.alphaToCoverage&&t.currentSamples>0){const e=Tn(s.fwidth()).toVar();i=_u(e.oneMinus(),e.add(1),s).oneMinus()}else i=Mu(s.greaterThan(1),0,1);return i}),Kv=gn(([e,t,r])=>{const s=Tn(r).toVar(),i=Tn(t).toVar(),n=Nn(e).toVar();return Mu(n,i,s).uniformFlow()}).setLayout({name:"mx_select",type:"float",inputs:[{name:"b",type:"bool"},{name:"t",type:"float"},{name:"f",type:"float"}]}),Qv=gn(([e,t])=>{const r=Nn(t).toVar(),s=Tn(e).toVar();return Mu(r,s.negate(),s).uniformFlow()}).setLayout({name:"mx_negate_if",type:"float",inputs:[{name:"val",type:"float"},{name:"b",type:"bool"}]}),Zv=gn(([e])=>{const t=Tn(e).toVar();return _n(Eo(t))}).setLayout({name:"mx_floor",type:"int",inputs:[{name:"x",type:"float"}]}),Jv=gn(([e,t])=>{const r=Tn(e).toVar();return t.assign(Zv(r)),r.sub(Tn(t))}),eN=ox([gn(([e,t,r,s,i,n])=>{const a=Tn(n).toVar(),o=Tn(i).toVar(),u=Tn(s).toVar(),l=Tn(r).toVar(),d=Tn(t).toVar(),c=Tn(e).toVar(),h=Tn(Ia(1,o)).toVar();return Ia(1,a).mul(c.mul(h).add(d.mul(o))).add(a.mul(l.mul(h).add(u.mul(o))))}).setLayout({name:"mx_bilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"}]}),gn(([e,t,r,s,i,n])=>{const a=Tn(n).toVar(),o=Tn(i).toVar(),u=An(s).toVar(),l=An(r).toVar(),d=An(t).toVar(),c=An(e).toVar(),h=Tn(Ia(1,o)).toVar();return Ia(1,a).mul(c.mul(h).add(d.mul(o))).add(a.mul(l.mul(h).add(u.mul(o))))}).setLayout({name:"mx_bilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"}]})]),tN=ox([gn(([e,t,r,s,i,n,a,o,u,l,d])=>{const c=Tn(d).toVar(),h=Tn(l).toVar(),p=Tn(u).toVar(),g=Tn(o).toVar(),m=Tn(a).toVar(),f=Tn(n).toVar(),y=Tn(i).toVar(),b=Tn(s).toVar(),x=Tn(r).toVar(),T=Tn(t).toVar(),_=Tn(e).toVar(),v=Tn(Ia(1,p)).toVar(),N=Tn(Ia(1,h)).toVar();return Tn(Ia(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(x.mul(v).add(b.mul(p))))).add(c.mul(N.mul(y.mul(v).add(f.mul(p))).add(h.mul(m.mul(v).add(g.mul(p))))))}).setLayout({name:"mx_trilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"v4",type:"float"},{name:"v5",type:"float"},{name:"v6",type:"float"},{name:"v7",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]}),gn(([e,t,r,s,i,n,a,o,u,l,d])=>{const c=Tn(d).toVar(),h=Tn(l).toVar(),p=Tn(u).toVar(),g=An(o).toVar(),m=An(a).toVar(),f=An(n).toVar(),y=An(i).toVar(),b=An(s).toVar(),x=An(r).toVar(),T=An(t).toVar(),_=An(e).toVar(),v=Tn(Ia(1,p)).toVar(),N=Tn(Ia(1,h)).toVar();return Tn(Ia(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(x.mul(v).add(b.mul(p))))).add(c.mul(N.mul(y.mul(v).add(f.mul(p))).add(h.mul(m.mul(v).add(g.mul(p))))))}).setLayout({name:"mx_trilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"v4",type:"vec3"},{name:"v5",type:"vec3"},{name:"v6",type:"vec3"},{name:"v7",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]})]),rN=gn(([e,t,r])=>{const s=Tn(r).toVar(),i=Tn(t).toVar(),n=vn(e).toVar(),a=vn(n.bitAnd(vn(7))).toVar(),o=Tn(Kv(a.lessThan(vn(4)),i,s)).toVar(),u=Tn(Va(2,Kv(a.lessThan(vn(4)),s,i))).toVar();return Qv(o,Nn(a.bitAnd(vn(1)))).add(Qv(u,Nn(a.bitAnd(vn(2)))))}).setLayout({name:"mx_gradient_float_0",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"}]}),sN=gn(([e,t,r,s])=>{const i=Tn(s).toVar(),n=Tn(r).toVar(),a=Tn(t).toVar(),o=vn(e).toVar(),u=vn(o.bitAnd(vn(15))).toVar(),l=Tn(Kv(u.lessThan(vn(8)),a,n)).toVar(),d=Tn(Kv(u.lessThan(vn(4)),n,Kv(u.equal(vn(12)).or(u.equal(vn(14))),a,i))).toVar();return Qv(l,Nn(u.bitAnd(vn(1)))).add(Qv(d,Nn(u.bitAnd(vn(2)))))}).setLayout({name:"mx_gradient_float_1",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),iN=ox([rN,sN]),nN=gn(([e,t,r])=>{const s=Tn(r).toVar(),i=Tn(t).toVar(),n=Mn(e).toVar();return An(iN(n.x,i,s),iN(n.y,i,s),iN(n.z,i,s))}).setLayout({name:"mx_gradient_vec3_0",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"}]}),aN=gn(([e,t,r,s])=>{const i=Tn(s).toVar(),n=Tn(r).toVar(),a=Tn(t).toVar(),o=Mn(e).toVar();return An(iN(o.x,a,n,i),iN(o.y,a,n,i),iN(o.z,a,n,i))}).setLayout({name:"mx_gradient_vec3_1",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),oN=ox([nN,aN]),uN=gn(([e])=>{const t=Tn(e).toVar();return Va(.6616,t)}).setLayout({name:"mx_gradient_scale2d_0",type:"float",inputs:[{name:"v",type:"float"}]}),lN=gn(([e])=>{const t=Tn(e).toVar();return Va(.982,t)}).setLayout({name:"mx_gradient_scale3d_0",type:"float",inputs:[{name:"v",type:"float"}]}),dN=ox([uN,gn(([e])=>{const t=An(e).toVar();return Va(.6616,t)}).setLayout({name:"mx_gradient_scale2d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),cN=ox([lN,gn(([e])=>{const t=An(e).toVar();return Va(.982,t)}).setLayout({name:"mx_gradient_scale3d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),hN=gn(([e,t])=>{const r=_n(t).toVar(),s=vn(e).toVar();return s.shiftLeft(r).bitOr(s.shiftRight(_n(32).sub(r)))}).setLayout({name:"mx_rotl32",type:"uint",inputs:[{name:"x",type:"uint"},{name:"k",type:"int"}]}),pN=gn(([e,t,r])=>{e.subAssign(r),e.bitXorAssign(hN(r,_n(4))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(hN(e,_n(6))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(hN(t,_n(8))),t.addAssign(e),e.subAssign(r),e.bitXorAssign(hN(r,_n(16))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(hN(e,_n(19))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(hN(t,_n(4))),t.addAssign(e)}),gN=gn(([e,t,r])=>{const s=vn(r).toVar(),i=vn(t).toVar(),n=vn(e).toVar();return s.bitXorAssign(i),s.subAssign(hN(i,_n(14))),n.bitXorAssign(s),n.subAssign(hN(s,_n(11))),i.bitXorAssign(n),i.subAssign(hN(n,_n(25))),s.bitXorAssign(i),s.subAssign(hN(i,_n(16))),n.bitXorAssign(s),n.subAssign(hN(s,_n(4))),i.bitXorAssign(n),i.subAssign(hN(n,_n(14))),s.bitXorAssign(i),s.subAssign(hN(i,_n(24))),s}).setLayout({name:"mx_bjfinal",type:"uint",inputs:[{name:"a",type:"uint"},{name:"b",type:"uint"},{name:"c",type:"uint"}]}),mN=gn(([e])=>{const t=vn(e).toVar();return Tn(t).div(Tn(vn(_n(4294967295))))}).setLayout({name:"mx_bits_to_01",type:"float",inputs:[{name:"bits",type:"uint"}]}),fN=gn(([e])=>{const t=Tn(e).toVar();return t.mul(t).mul(t).mul(t.mul(t.mul(6).sub(15)).add(10))}).setLayout({name:"mx_fade",type:"float",inputs:[{name:"t",type:"float"}]}),yN=ox([gn(([e])=>{const t=_n(e).toVar(),r=vn(vn(1)).toVar(),s=vn(vn(_n(3735928559)).add(r.shiftLeft(vn(2))).add(vn(13))).toVar();return gN(s.add(vn(t)),s,s)}).setLayout({name:"mx_hash_int_0",type:"uint",inputs:[{name:"x",type:"int"}]}),gn(([e,t])=>{const r=_n(t).toVar(),s=_n(e).toVar(),i=vn(vn(2)).toVar(),n=vn().toVar(),a=vn().toVar(),o=vn().toVar();return n.assign(a.assign(o.assign(vn(_n(3735928559)).add(i.shiftLeft(vn(2))).add(vn(13))))),n.addAssign(vn(s)),a.addAssign(vn(r)),gN(n,a,o)}).setLayout({name:"mx_hash_int_1",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),gn(([e,t,r])=>{const s=_n(r).toVar(),i=_n(t).toVar(),n=_n(e).toVar(),a=vn(vn(3)).toVar(),o=vn().toVar(),u=vn().toVar(),l=vn().toVar();return o.assign(u.assign(l.assign(vn(_n(3735928559)).add(a.shiftLeft(vn(2))).add(vn(13))))),o.addAssign(vn(n)),u.addAssign(vn(i)),l.addAssign(vn(s)),gN(o,u,l)}).setLayout({name:"mx_hash_int_2",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]}),gn(([e,t,r,s])=>{const i=_n(s).toVar(),n=_n(r).toVar(),a=_n(t).toVar(),o=_n(e).toVar(),u=vn(vn(4)).toVar(),l=vn().toVar(),d=vn().toVar(),c=vn().toVar();return l.assign(d.assign(c.assign(vn(_n(3735928559)).add(u.shiftLeft(vn(2))).add(vn(13))))),l.addAssign(vn(o)),d.addAssign(vn(a)),c.addAssign(vn(n)),pN(l,d,c),l.addAssign(vn(i)),gN(l,d,c)}).setLayout({name:"mx_hash_int_3",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"}]}),gn(([e,t,r,s,i])=>{const n=_n(i).toVar(),a=_n(s).toVar(),o=_n(r).toVar(),u=_n(t).toVar(),l=_n(e).toVar(),d=vn(vn(5)).toVar(),c=vn().toVar(),h=vn().toVar(),p=vn().toVar();return c.assign(h.assign(p.assign(vn(_n(3735928559)).add(d.shiftLeft(vn(2))).add(vn(13))))),c.addAssign(vn(l)),h.addAssign(vn(u)),p.addAssign(vn(o)),pN(c,h,p),c.addAssign(vn(a)),h.addAssign(vn(n)),gN(c,h,p)}).setLayout({name:"mx_hash_int_4",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"},{name:"yy",type:"int"}]})]),bN=ox([gn(([e,t])=>{const r=_n(t).toVar(),s=_n(e).toVar(),i=vn(yN(s,r)).toVar(),n=Mn().toVar();return n.x.assign(i.bitAnd(_n(255))),n.y.assign(i.shiftRight(_n(8)).bitAnd(_n(255))),n.z.assign(i.shiftRight(_n(16)).bitAnd(_n(255))),n}).setLayout({name:"mx_hash_vec3_0",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),gn(([e,t,r])=>{const s=_n(r).toVar(),i=_n(t).toVar(),n=_n(e).toVar(),a=vn(yN(n,i,s)).toVar(),o=Mn().toVar();return o.x.assign(a.bitAnd(_n(255))),o.y.assign(a.shiftRight(_n(8)).bitAnd(_n(255))),o.z.assign(a.shiftRight(_n(16)).bitAnd(_n(255))),o}).setLayout({name:"mx_hash_vec3_1",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]})]),xN=ox([gn(([e])=>{const t=Sn(e).toVar(),r=_n().toVar(),s=_n().toVar(),i=Tn(Jv(t.x,r)).toVar(),n=Tn(Jv(t.y,s)).toVar(),a=Tn(fN(i)).toVar(),o=Tn(fN(n)).toVar(),u=Tn(eN(iN(yN(r,s),i,n),iN(yN(r.add(_n(1)),s),i.sub(1),n),iN(yN(r,s.add(_n(1))),i,n.sub(1)),iN(yN(r.add(_n(1)),s.add(_n(1))),i.sub(1),n.sub(1)),a,o)).toVar();return dN(u)}).setLayout({name:"mx_perlin_noise_float_0",type:"float",inputs:[{name:"p",type:"vec2"}]}),gn(([e])=>{const 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Kp({start:-1,end:_n(1),name:"x",condition:"<="},({x:e})=>{Kp({start:-1,end:_n(1),name:"y",condition:"<="},({y:t})=>{Kp({start:-1,end:_n(1),name:"z",condition:"<="},({z:r})=>{const n=Tn(wN(l,e,t,r,a,o,u,i,s)).toVar();d.assign(ru(d,n))})})}),yn(s.equal(_n(0)),()=>{d.assign(So(d))}),d}).setLayout({name:"mx_worley_noise_float_1",type:"float",inputs:[{name:"p",type:"vec3"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),LN=ox([CN,gn(([e,t,r])=>{const s=_n(r).toVar(),i=Tn(t).toVar(),n=An(e).toVar(),a=_n().toVar(),o=_n().toVar(),u=_n().toVar(),l=An(Jv(n.x,a),Jv(n.y,o),Jv(n.z,u)).toVar(),d=Sn(1e6,1e6).toVar();return Kp({start:-1,end:_n(1),name:"x",condition:"<="},({x:e})=>{Kp({start:-1,end:_n(1),name:"y",condition:"<="},({y:t})=>{Kp({start:-1,end:_n(1),name:"z",condition:"<="},({z:r})=>{const 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yn(c.equal(_n(0)),()=>{N.assign(TN(v))}),yn(c.equal(_n(1)),()=>{N.assign(vN(v))}),yn(c.equal(_n(2)),()=>{N.assign(FN(v,m,_n(0)))}),yn(c.equal(_n(3)),()=>{N.assign(SN(An(v,0),x,T,_))}),N.assign(N.mul(y.sub(f)).add(f)),yn(b,()=>{N.assign(bu(N,f,y))}),N}).setLayout({name:"mx_unifiednoise2d",type:"float",inputs:[{name:"noiseType",type:"int"},{name:"texcoord",type:"vec2"},{name:"freq",type:"vec2"},{name:"offset",type:"vec2"},{name:"jitter",type:"float"},{name:"outmin",type:"float"},{name:"outmax",type:"float"},{name:"clampoutput",type:"bool"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),UN=gn(([e,t,r,s,i,n,a,o,u,l,d])=>{const c=_n(e).toVar(),h=An(t).toVar(),p=An(r).toVar(),g=An(s).toVar(),m=Tn(i).toVar(),f=Tn(n).toVar(),y=Tn(a).toVar(),b=Nn(o).toVar(),x=_n(u).toVar(),T=Tn(l).toVar(),_=Tn(d).toVar(),v=h.mul(p).add(g),N=Tn(0).toVar();return 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n=_n(Qo(i)),a=i.sub(Tn(n)),o=r.mul(t.oneMinus()),u=r.mul(t.mul(a).oneMinus()),l=r.mul(t.mul(a.oneMinus()).oneMinus());yn(n.equal(_n(0)),()=>{s.assign(An(r,l,o))}).ElseIf(n.equal(_n(1)),()=>{s.assign(An(u,r,o))}).ElseIf(n.equal(_n(2)),()=>{s.assign(An(o,r,l))}).ElseIf(n.equal(_n(3)),()=>{s.assign(An(o,u,r))}).ElseIf(n.equal(_n(4)),()=>{s.assign(An(l,o,r))}).Else(()=>{s.assign(An(r,o,u))})}),s}).setLayout({name:"mx_hsvtorgb",type:"vec3",inputs:[{name:"hsv",type:"vec3"}]}),ON=gn(([e])=>{const t=An(e).toVar(),r=Tn(t.x).toVar(),s=Tn(t.y).toVar(),i=Tn(t.z).toVar(),n=Tn(ru(r,ru(s,i))).toVar(),a=Tn(su(r,su(s,i))).toVar(),o=Tn(a.sub(n)).toVar(),u=Tn().toVar(),l=Tn().toVar(),d=Tn().toVar();return 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s=this.renderer,i=this.nodes.getBackgroundNode(e)||e.background;let n=!1;if(null===i)s._clearColor.getRGB(HN),HN.a=s._clearColor.a;else if(!0===i.isColor)i.getRGB(HN),HN.a=1,n=!0;else if(!0===i.isNode){const u=this.get(e),l=i;HN.copy(s._clearColor);let d=u.backgroundMesh;if(void 0===d){const h=Ln(l).mul(Zx).context({getUV:()=>Jx.mul(Ac),getTextureLevel:()=>Qx}),p=Id.element(3).element(3).equal(1),g=ka(1,Id.element(1).element(1)).mul(3),m=p.select(gc.mul(g),gc),f=uc.mul(Ln(m,0));let y=Id.mul(Ln(f.xyz,1));y=y.setZ(y.w);const b=new Ug;function x(){i.removeEventListener("dispose",x),d.material.dispose(),d.geometry.dispose()}b.name="Background.material",b.side=F,b.depthTest=!1,b.depthWrite=!1,b.allowOverride=!1,b.fog=!1,b.lights=!1,b.vertexNode=y,b.colorNode=h,u.backgroundMeshNode=h,u.backgroundMesh=d=new oe(new ft(1,32,32),b),d.frustumCulled=!1,d.name="Background.mesh",i.addEventListener("dispose",x)}const c=l.getCacheKey();u.backgroundCacheKey!==c&&(u.backgroundMeshNode.node=Ln(l).mul(Zx),u.backgroundMeshNode.needsUpdate=!0,d.material.needsUpdate=!0,u.backgroundCacheKey=c),t.unshift(d,d.geometry,d.material,0,0,null,null)}else o("Renderer: Unsupported background configuration.",i);const a=s.xr.getEnvironmentBlendMode();if("additive"===a?HN.set(0,0,0,1):"alpha-blend"===a&&HN.set(0,0,0,0),!0===s.autoClear||!0===n){const T=r.clearColorValue;T.r=HN.r,T.g=HN.g,T.b=HN.b,T.a=HN.a,!0!==s.backend.isWebGLBackend&&!0!==s.alpha||(T.r*=T.a,T.g*=T.a,T.b*=T.a),r.depthClearValue=s.getClearDepth(),r.stencilClearValue=s.getClearStencil(),r.clearColor=!0===s.autoClearColor,r.clearDepth=!0===s.autoClearDepth,r.clearStencil=!0===s.autoClearStencil}else r.clearColor=!1,r.clearDepth=!1,r.clearStencil=!1}}let qN=0;class XN{constructor(e="",t=[]){this.name=e,this.bindings=t,this.id=qN++}}class YN{constructor(e,t,r,s,i,n,a,o,u,l,d=[]){this.vertexShader=e,this.fragmentShader=t,this.computeShader=r,this.transforms=d,this.nodeAttributes=s,this.bindings=i,this.updateNodes=n,this.updateBeforeNodes=a,this.updateAfterNodes=o,this.observer=u,this.hardwareClipping=l,this.usedTimes=0}createBindings(){const e=[];for(const t of this.bindings){if(!0!==t.bindings[0].groupNode.shared){const r=new XN(t.name,[]);e.push(r);for(const e of t.bindings)r.bindings.push(e.clone())}else e.push(t)}return e}}class KN{constructor(e,t,r=null){this.isNodeAttribute=!0,this.name=e,this.type=t,this.node=r}}class QN{constructor(e,t,r){this.isNodeUniform=!0,this.name=e,this.type=t,this.node=r}get value(){return this.node.value}set value(e){this.node.value=e}get id(){return this.node.id}get groupNode(){return this.node.groupNode}}class ZN{constructor(e,t,r=!1,s=null){this.isNodeVar=!0,this.name=e,this.type=t,this.readOnly=r,this.count=s}}class JN extends ZN{constructor(e,t,r=null,s=null){super(e,t),this.needsInterpolation=!1,this.isNodeVarying=!0,this.interpolationType=r,this.interpolationSampling=s}}class eS{constructor(e,t,r=""){this.name=e,this.type=t,this.code=r,Object.defineProperty(this,"isNodeCode",{value:!0})}}let tS=0;class rS{constructor(e=null){this.id=tS++,this.nodesData=new WeakMap,this.parent=e}getData(e){let t=this.nodesData.get(e);return void 0===t&&null!==this.parent&&(t=this.parent.getData(e)),t}setData(e,t){this.nodesData.set(e,t)}}class sS{constructor(e,t){this.name=e,this.members=t,this.output=!1}}class iS{constructor(e,t){this.name=e,this.value=t,this.boundary=0,this.itemSize=0,this.offset=0,this.index=-1}setValue(e){this.value=e}getValue(){return this.value}}class nS extends iS{constructor(e,t=0){super(e,t),this.isNumberUniform=!0,this.boundary=4,this.itemSize=1}}class aS extends iS{constructor(e,r=new t){super(e,r),this.isVector2Uniform=!0,this.boundary=8,this.itemSize=2}}class oS extends iS{constructor(e,t=new r){super(e,t),this.isVector3Uniform=!0,this.boundary=16,this.itemSize=3}}class uS extends iS{constructor(e,t=new s){super(e,t),this.isVector4Uniform=!0,this.boundary=16,this.itemSize=4}}class lS extends iS{constructor(t,r=new e){super(t,r),this.isColorUniform=!0,this.boundary=16,this.itemSize=3}}class dS extends iS{constructor(e,t=new i){super(e,t),this.isMatrix2Uniform=!0,this.boundary=8,this.itemSize=4}}class cS extends iS{constructor(e,t=new n){super(e,t),this.isMatrix3Uniform=!0,this.boundary=48,this.itemSize=12}}class hS extends iS{constructor(e,t=new a){super(e,t),this.isMatrix4Uniform=!0,this.boundary=64,this.itemSize=16}}class pS extends nS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class gS extends aS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class mS extends oS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class fS extends uS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class yS extends lS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class bS extends dS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class xS extends cS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class TS extends hS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}let _S=0;const vS=new WeakMap,NS=new WeakMap,SS=new WeakMap,RS=new Map([[Int8Array,"int"],[Int16Array,"int"],[Int32Array,"int"],[Uint8Array,"uint"],[Uint16Array,"uint"],[Uint32Array,"uint"],[Float32Array,"float"]]),ES=e=>/e/g.test(e)?String(e).replace(/\+/g,""):(e=Number(e))+(e%1?"":".0"),wS=e=>{if(e.writeUsageCount>0)return!0;if(void 0!==e.subBuildsCache)for(const t in e.subBuildsCache)if(wS(e.subBuildsCache[t]))return!0;return!1};class AS{constructor(e,t,r){this.object=e,this.material=e&&e.material||null,this.geometry=e&&e.geometry||null,this.renderer=t,this.parser=r,this.scene=null,this.camera=null,this.nodes=new Set,this.sequentialNodes=new Set,this.updateNodes=[],this.updateBeforeNodes=[],this.updateAfterNodes=[],this.hashNodes={},this.observer=null,this.lightsNode=null,this.environmentNode=null,this.fogNode=null,this.clippingContext=null,this.hardwareClipping=!1,this.vertexShader=null,this.fragmentShader=null,this.computeShader=null,this.flowNodes={vertex:[],fragment:[],compute:[]},this.flowCode={vertex:"",fragment:"",compute:""},this.uniforms={vertex:[],fragment:[],compute:[],index:0},this.structs={vertex:[],fragment:[],compute:[],index:0},this.types={vertex:[],fragment:[],compute:[],index:0},this.bindings={vertex:{},fragment:{},compute:{}},this.bindingsIndexes={},this.bindGroups=null,this.attributes=[],this.bufferAttributes=[],this.varyings=[],this.codes={},this.vars={},this.declarations={},this.flow={code:""},this.chaining=[],this.stack=wb(),this.stacks=[],this.tab="\t",this.currentFunctionNode=null,this.context={material:this.material},this.cache=new rS,this.globalCache=this.cache,this.flowsData=new WeakMap,this.shaderStage=null,this.buildStage=null,this.subBuildLayers=[],this.activeStacks=[],this.subBuildFn=null,this.fnCall=null,Object.defineProperty(this,"id",{value:_S++})}isFlatShading(){return!0===this.material.flatShading||!1===this.geometry.hasAttribute("normal")}isOpaque(){const e=this.material;return!1===e.transparent&&e.blending===tt&&!1===e.alphaToCoverage}createRenderTarget(e,t,r){return new ne(e,t,r)}createCubeRenderTarget(e,t){return new Jg(e,t)}includes(e){return this.nodes.has(e)}getOutputType(e=0){let t="vec4";const r=this.renderer.getRenderTarget();if(null!==r){const s=r.textures[e].type,i=r.textures[e].format;let n="vec";s===R?n="ivec":s===S&&(n="uvec"),t=i===ze||i===We?s===R?"int":s===S?"uint":"float":i===z||i===qe?`${n}2`:i===Xe||i===Ye?`${n}3`:`${n}4`}return t}getOutputStructName(){}_getBindGroup(e,t){const r=t[0].groupNode;let s,i=r.shared;if(i)for(let e=1;e<t.length;e++)r!==t[e].groupNode&&(i=!1);if(i){let r="";for(const e of t)if(e.isNodeUniformsGroup){e.uniforms.sort((e,t)=>e.nodeUniform.node.id-t.nodeUniform.node.id);for(const t of e.uniforms)r+=t.nodeUniform.node.id}else r+=e.nodeUniform.id;const i=this.renderer._currentRenderContext||this.renderer;let n=vS.get(i);void 0===n&&(n=new Map,vS.set(i,n));const a=Gs(r);s=n.get(a),void 0===s&&(s=new XN(e,t),n.set(a,s))}else s=new XN(e,t);return s}getBindGroupArray(e,t){const r=this.bindings[t];let s=r[e];return void 0===s&&(void 0===this.bindingsIndexes[e]&&(this.bindingsIndexes[e]={binding:0,group:Object.keys(this.bindingsIndexes).length}),r[e]=s=[]),s}getBindings(){let e=this.bindGroups;if(null===e){const t={},r=this.bindings;for(const e of li)for(const s in r[e]){const i=r[e][s],n=t[s]||(t[s]=[]);for(const e of i)!1===n.includes(e)&&n.push(e)}e=[];for(const r in t){const s=t[r],i=this._getBindGroup(r,s);e.push(i)}this.bindGroups=e}return e}sortBindingGroups(){const e=this.getBindings();e.sort((e,t)=>e.bindings[0].groupNode.order-t.bindings[0].groupNode.order);for(let t=0;t<e.length;t++){const r=e[t];this.bindingsIndexes[r.name].group=t}}setHashNode(e,t){this.hashNodes[t]=e}addNode(e){!1===this.nodes.has(e)&&(this.nodes.add(e),this.setHashNode(e,e.getHash(this)))}addSequentialNode(e){const t=e.getUpdateBeforeType(),r=e.getUpdateAfterType();t===ii.NONE&&r===ii.NONE||this.sequentialNodes.add(e)}buildUpdateNodes(){for(const e of this.nodes){e.getUpdateType()!==ii.NONE&&this.updateNodes.push(e)}for(const e of this.sequentialNodes){const t=e.getUpdateBeforeType(),r=e.getUpdateAfterType();t!==ii.NONE&&this.updateBeforeNodes.push(e),r!==ii.NONE&&this.updateAfterNodes.push(e)}}get currentNode(){return this.chaining[this.chaining.length-1]}isFilteredTexture(e){return e.magFilter===le||e.magFilter===yt||e.magFilter===bt||e.magFilter===Q||e.minFilter===le||e.minFilter===yt||e.minFilter===bt||e.minFilter===Q}getUniformBufferLimit(){return this.renderer.backend.capabilities.getUniformBufferLimit()}addChain(e){this.chaining.push(e)}removeChain(e){if(this.chaining.pop()!==e)throw new Error("THREE.NodeBuilder: Invalid node chaining!")}getMethod(e){return e}getTernary(){return null}getNodeFromHash(e){return this.hashNodes[e]}addFlow(e,t){return this.flowNodes[e].push(t),t}setContext(e){this.context=e}getContext(){return this.context}addContext(e){const t=this.getContext();return this.setContext({...this.context,...e}),t}getSharedContext(){const e={...this.context};return delete e.material,delete e.getUV,delete e.getOutput,delete e.getTextureLevel,delete e.getAO,delete e.getShadow,e}setCache(e){this.cache=e}getCache(){return this.cache}getCacheFromNode(e,t=!0){const r=this.getDataFromNode(e);return void 0===r.cache&&(r.cache=new rS(t?this.getCache():null)),r.cache}isAvailable(){return!1}getVertexIndex(){d("Abstract function.")}getInstanceIndex(){d("Abstract function.")}getDrawIndex(){d("Abstract function.")}getFrontFacing(){d("Abstract function.")}getFragCoord(){d("Abstract function.")}isFlipY(){return!1}isContextAssign(){return!0===this.context.assign}increaseUsage(e){const t=this.getDataFromNode(e);return t.usageCount=void 0===t.usageCount?1:t.usageCount+1,this.isContextAssign()?t.writeUsageCount=void 0===t.writeUsageCount?1:t.writeUsageCount+1:t.readUsageCount=void 0===t.readUsageCount?1:t.readUsageCount+1,t.usageCount}hasWriteUsage(e){const t=e.getShared(this),r=(t.isGlobal(this)?this.globalCache:this.cache).getData(t);if(void 0!==r)for(const e in r)if(wS(r[e]))return!0;return!1}generateTexture(){d("Abstract function.")}generateTextureLod(){d("Abstract function.")}generateArrayDeclaration(e,t){return this.getType(e)+"[ "+t+" ]"}generateArray(e,t,r=null){let s=this.generateArrayDeclaration(e,t)+"( ";for(let i=0;i<t;i++){const n=r?r[i]:null;s+=null!==n?n.build(this,e):this.generateConst(e),i<t-1&&(s+=", ")}return s+=" )",s}generateStruct(e,t,r=null){const s=[];for(const e of t){const{name:t,type:i}=e;r&&r[t]&&r[t].isNode?s.push(r[t].build(this,i)):s.push(this.generateConst(i))}return e+"( "+s.join(", ")+" )"}generateConst(i,n=null){if(null===n&&("float"===i||"int"===i||"uint"===i?n=0:"bool"===i?n=!1:"color"===i?n=new e:"vec2"===i||"uvec2"===i||"ivec2"===i?n=new t:"vec3"===i||"uvec3"===i||"ivec3"===i?n=new r:"vec4"!==i&&"uvec4"!==i&&"ivec4"!==i||(n=new s)),"float"===i)return ES(n);if("int"===i)return`${Math.round(n)}`;if("uint"===i)return n>=0?`${Math.round(n)}u`:"0u";if("bool"===i)return n?"true":"false";if("color"===i)return`${this.getType("vec3")}( ${ES(n.r)}, ${ES(n.g)}, ${ES(n.b)} )`;const a=this.getTypeLength(i),o=this.getComponentType(i),u=e=>this.generateConst(o,e);if(2===a)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)} )`;if(3===a)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)}, ${u(n.z)} )`;if(4===a&&"mat2"!==i)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)}, ${u(n.z)}, ${u(n.w)} )`;if(a>=4&&n&&(n.isMatrix2||n.isMatrix3||n.isMatrix4))return`${this.getType(i)}( ${n.elements.map(u).join(", ")} )`;if(a>4)return`${this.getType(i)}()`;throw new Error(`THREE.NodeBuilder: Type '${i}' not found in generate constant attempt.`)}getType(e){return"color"===e?"vec3":e}hasGeometryAttribute(e){return this.geometry&&void 0!==this.geometry.getAttribute(e)}getAttribute(e,t){const r=this.attributes;for(const t of r)if(t.name===e)return t;const s=new KN(e,t);return this.registerDeclaration(s),r.push(s),s}getPropertyName(e){return e.name}isVector(e){return/vec\d/.test(e)}isMatrix(e){return/mat\d/.test(e)}isReference(e){return"void"===e||"property"===e||"sampler"===e||"samplerComparison"===e||"texture"===e||"cubeTexture"===e||"storageTexture"===e||"depthTexture"===e||"texture3D"===e}needsToWorkingColorSpace(){return!1}getComponentTypeFromTexture(e){const t=e.type;return!0===e.isDepthTexture?"float":t===R?"int":t===S?"uint":"float"}getElementType(e){return"mat2"===e?"vec2":"mat3"===e?"vec3":"mat4"===e?"vec4":this.getComponentType(e)}getComponentType(e){if("float"===(e=this.getVectorType(e))||"bool"===e||"int"===e||"uint"===e)return e;const t=/(b|i|u|)(vec|mat)([2-4])/.exec(e);return null===t?null:"b"===t[1]?"bool":"i"===t[1]?"int":"u"===t[1]?"uint":"float"}getVectorType(e){return"color"===e?"vec3":"texture"===e||"cubeTexture"===e||"storageTexture"===e||"texture3D"===e?"vec4":e}getTypeFromLength(e,t="float"){if(1===e)return t;let r=js(e);const s="float"===t?"":t[0];return!0===/mat2/.test(t)&&(r=r.replace("vec","mat")),s+r}getTypeFromArray(e){return RS.get(e.constructor)}isInteger(e){return/int|uint|(i|u)vec/.test(e)}getTypeFromAttribute(e){let t=e;e.isInterleavedBufferAttribute&&(t=e.data);const r=t.array,s=e.itemSize,i=e.normalized;let n;return e instanceof xt||!0===i||(n=this.getTypeFromArray(r)),this.getTypeFromLength(s,n)}getTypeLength(e){const t=this.getVectorType(e),r=/vec([2-4])/.exec(t);return null!==r?Number(r[1]):"float"===t||"bool"===t||"int"===t||"uint"===t?1:!0===/mat2/.test(e)?4:!0===/mat3/.test(e)?9:!0===/mat4/.test(e)?16:0}getVectorFromMatrix(e){return e.replace("mat","vec")}changeComponentType(e,t){return this.getTypeFromLength(this.getTypeLength(e),t)}getIntegerType(e){const t=this.getComponentType(e);return"int"===t||"uint"===t?e:this.changeComponentType(e,"int")}setActiveStack(e){this.activeStacks.push(e)}removeActiveStack(e){if(this.activeStacks[this.activeStacks.length-1]!==e)throw new Error("THREE.NodeBuilder: Invalid active stack removal.");this.activeStacks.pop()}getActiveStack(){return this.activeStacks[this.activeStacks.length-1]}getBaseStack(){return this.activeStacks[0]}addStack(){this.stack=wb(this.stack);const e=fn();return this.stacks.push(e),mn(this.stack),this.stack}removeStack(){const e=this.stack;for(const t of e.nodes){this.getDataFromNode(t).stack=e}return this.stack=e.parent,mn(this.stacks.pop()),e}getDataFromNode(e,t=this.shaderStage,r=null){let s=(r=null===r?e.isGlobal(this)?this.globalCache:this.cache:r).getData(e);void 0===s&&(s={},r.setData(e,s)),void 0===s[t]&&(s[t]={});let i=s[t];if(0===this.subBuildLayers.length)return i;const n=s.any?s.any.subBuilds:null,a=this.getClosestSubBuild(n);return a&&(void 0===i.subBuildsCache&&(i.subBuildsCache={}),i=i.subBuildsCache[a]||(i.subBuildsCache[a]={}),i.subBuilds=n),i}getNodeProperties(e,t="any"){const r=this.getDataFromNode(e,t);return r.properties||(r.properties={outputNode:null})}getBufferAttributeFromNode(e,t,r=null){const s=this.getDataFromNode(e,"vertex");let i=s.bufferAttribute;if(void 0===i){const n=this.uniforms.index++;null===r&&(r="nodeAttribute"+n),i=new KN(r,t,e),this.bufferAttributes.push(i),s.bufferAttribute=i}return i}getStructTypeNode(e,t=this.shaderStage){return this.types[t][e]||null}getStructTypeFromNode(e,t,r=null,s=this.shaderStage){const i=this.getDataFromNode(e,s,this.globalCache);let n=i.structType;if(void 0===n){const a=this.structs.index++;null===r&&(r="StructType"+a),n=new sS(r,t),this.structs[s].push(n),this.types[s][r]=e,i.structType=n}return n}getOutputStructTypeFromNode(e,t){const r=this.getStructTypeFromNode(e,t,"OutputType","fragment");return r.output=!0,r}getUniformFromNode(e,t,r=this.shaderStage,s=null){const i=this.getDataFromNode(e,r,this.globalCache);let n=i.uniform;if(void 0===n){const a=this.uniforms.index++;n=new QN(s||"nodeUniform"+a,t,e),this.uniforms[r].push(n),this.registerDeclaration(n),i.uniform=n}return n}getVarFromNode(e,t=null,r=e.getNodeType(this),s=this.shaderStage,i=!1){const n=this.getDataFromNode(e,s),a=this.getSubBuildProperty("variable",n.subBuilds);let o=n[a];if(void 0===o){const u=i?"_const":"_var",l=this.vars[s]||(this.vars[s]=[]),d=this.vars[u]||(this.vars[u]=0);null===t&&(t=(i?"nodeConst":"nodeVar")+d,this.vars[u]++),"variable"!==a&&(t=this.getSubBuildProperty(t,n.subBuilds));const c=e.getArrayCount(this);o=new ZN(t,r,i,c),i||l.push(o),this.registerDeclaration(o),n[a]=o}return o}isDeterministic(e){if(e.isMathNode)return this.isDeterministic(e.aNode)&&(!e.bNode||this.isDeterministic(e.bNode))&&(!e.cNode||this.isDeterministic(e.cNode));if(e.isOperatorNode)return this.isDeterministic(e.aNode)&&(!e.bNode||this.isDeterministic(e.bNode));if(e.isArrayNode){if(null!==e.values)for(const t of e.values)if(!this.isDeterministic(t))return!1;return!0}return!!e.isConstNode}getVaryingFromNode(e,t=null,r=e.getNodeType(this),s=null,i=null){const n=this.getDataFromNode(e,"any"),a=this.getSubBuildProperty("varying",n.subBuilds);let o=n[a];if(void 0===o){const e=this.varyings,u=e.length;null===t&&(t="nodeVarying"+u),"varying"!==a&&(t=this.getSubBuildProperty(t,n.subBuilds)),o=new JN(t,r,s,i),e.push(o),this.registerDeclaration(o),n[a]=o}return o}registerDeclaration(e){const t=this.shaderStage,r=this.declarations[t]||(this.declarations[t]={}),s=this.getPropertyName(e);let i=1,n=s;for(;void 0!==r[n];)n=s+"_"+i++;i>1&&(e.name=n,d(`TSL: Declaration name '${s}' of '${e.type}' already in use. Renamed to '${n}'.`)),r[n]=e}getCodeFromNode(e,t,r=this.shaderStage){const s=this.getDataFromNode(e);let i=s.code;if(void 0===i){const e=this.codes[r]||(this.codes[r]=[]),n=e.length;i=new eS("nodeCode"+n,t),e.push(i),s.code=i}return i}addFlowCodeHierarchy(e,t){const{flowCodes:r,flowCodeBlock:s}=this.getDataFromNode(e);let i=!0,n=t;for(;n;){if(!0===s.get(n)){i=!1;break}n=this.getDataFromNode(n).parentNodeBlock}if(i)for(const e of r)this.addLineFlowCode(e)}addLineFlowCodeBlock(e,t,r){const s=this.getDataFromNode(e),i=s.flowCodes||(s.flowCodes=[]),n=s.flowCodeBlock||(s.flowCodeBlock=new WeakMap);i.push(t),n.set(r,!0)}addLineFlowCode(e,t=null){return""===e||(null!==t&&this.context.nodeBlock&&this.addLineFlowCodeBlock(t,e,this.context.nodeBlock),e=this.tab+e,/;\s*$/.test(e)||(e+=";\n"),this.flow.code+=e),this}addFlowCode(e){return this.flow.code+=e,this}addFlowTab(){return this.tab+="\t",this}removeFlowTab(){return this.tab=this.tab.slice(0,-1),this}getFlowData(e){return this.flowsData.get(e)}flowNode(e){const t=e.getNodeType(this),r=this.flowChildNode(e,t);return this.flowsData.set(e,r),r}addInclude(e){null!==this.currentFunctionNode&&this.currentFunctionNode.includes.push(e)}buildFunctionNode(e){const t=this.renderer.backend;let r=NS.get(t);void 0===r&&(r=new WeakMap,NS.set(t,r));let s=r.get(e);if(void 0===s){s=new HT;const t=this.currentFunctionNode;this.currentFunctionNode=s,s.code=this.buildFunctionCode(e),this.currentFunctionNode=t,r.set(e,s)}return s}flowShaderNode(e){const t=e.layout,r={[Symbol.iterator](){let e=0;const t=Object.values(this);return{next:()=>({value:t[e],done:e++>=t.length})}}};for(const e of t.inputs)r[e.name]=new Rb(e.type,e.name);e.layout=null;const s=e.call(r),i=this.flowStagesNode(s,t.type);return e.layout=t,i}flowBuildStage(e,t,r=null){const s=this.getBuildStage();this.setBuildStage(t);const i=e.build(this,r);return this.setBuildStage(s),i}flowStagesNode(e,t=null){const r=this.flow,s=this.vars,i=this.declarations,n=this.cache,a=this.buildStage,o=this.stack,u={code:""};this.flow=u,this.vars={},this.declarations={},this.cache=new rS,this.stack=wb();for(const r of ui)this.setBuildStage(r),u.result=e.build(this,t);return u.vars=this.getVars(this.shaderStage),this.flow=r,this.vars=s,this.declarations=i,this.cache=n,this.stack=o,this.setBuildStage(a),u}getFunctionOperator(){return null}buildFunctionCode(){d("Abstract function.")}flowChildNode(e,t=null){const r=this.flow,s={code:""};return this.flow=s,s.result=e.build(this,t),this.flow=r,s}flowNodeFromShaderStage(e,t,r=null,s=null){const i=this.tab,n=this.cache,a=this.shaderStage,o=this.context;this.setShaderStage(e);const u={...this.context};delete u.nodeBlock,this.cache=this.globalCache,this.tab="\t",this.context=u;let l=null;if("generate"===this.buildStage){const i=this.flowChildNode(t,r);null!==s&&(i.code+=`${this.tab+s} = ${i.result};\n`),this.flowCode[e]=this.flowCode[e]+i.code,l=i}else l=t.build(this);return this.setShaderStage(a),this.cache=n,this.tab=i,this.context=o,l}getAttributesArray(){return this.attributes.concat(this.bufferAttributes)}getAttributes(){d("Abstract function.")}getVaryings(){d("Abstract function.")}getVar(e,t,r=null){return`${null!==r?this.generateArrayDeclaration(e,r):this.getType(e)} ${t}`}getVars(e,t=!1){const r=[],s=this.vars[e];if(void 0!==s)for(const e of s)r.push(`${this.getVar(e.type,e.name,e.count)};`);return r.join(t?"\n":"\n\t")}getUniforms(){d("Abstract function.")}getCodes(e){const t=this.codes[e];let r="";if(void 0!==t)for(const e of t)r+=e.code+"\n";return r}getHash(){return this.vertexShader+this.fragmentShader+this.computeShader}setShaderStage(e){this.shaderStage=e}getShaderStage(){return this.shaderStage}setBuildStage(e){this.buildStage=e}getBuildStage(){return this.buildStage}buildCode(){d("Abstract function.")}get subBuild(){return this.subBuildLayers[this.subBuildLayers.length-1]||null}addSubBuild(e){this.subBuildLayers.push(e)}removeSubBuild(){return this.subBuildLayers.pop()}getClosestSubBuild(e){let t;if(t=e&&e.isNode?e.isShaderCallNodeInternal?e.shaderNode.subBuilds:e.isStackNode?[e.subBuild]:this.getDataFromNode(e,"any").subBuilds:e instanceof Set?[...e]:e,!t)return null;const r=this.subBuildLayers;for(let e=t.length-1;e>=0;e--){const s=t[e];if(r.includes(s))return s}return null}getSubBuildOutput(e){return this.getSubBuildProperty("outputNode",e)}getSubBuildProperty(e="",t=null){let r,s;return r=null!==t?this.getClosestSubBuild(t):this.subBuildFn,s=r?e?r+"_"+e:r:e,s}prebuild(){const{object:e,renderer:t,material:r}=this;if(!0===t.contextNode.isContextNode?this.context={...this.context,...t.contextNode.getFlowContextData()}:o('NodeBuilder: "renderer.contextNode" must be an instance of `context()`.'),r&&r.contextNode&&(!0===r.contextNode.isContextNode?this.context={...this.context,...r.contextNode.getFlowContextData()}:o('NodeBuilder: "material.contextNode" must be an instance of `context()`.')),null!==r){let e=t.library.fromMaterial(r);null===e&&(o(`NodeBuilder: Material "${r.type}" is not compatible.`),e=new Ug),e.build(this)}else this.addFlow("compute",e)}build(){this.prebuild();for(const e of ui){this.setBuildStage(e),this.context.position&&this.context.position.isNode&&this.flowNodeFromShaderStage("vertex",this.context.position);for(const t of li){this.setShaderStage(t);const r=this.flowNodes[t];for(const t of r)"generate"===e?this.flowNode(t):t.build(this)}}return this.setBuildStage(null),this.setShaderStage(null),this.buildCode(),this.buildUpdateNodes(),this}async buildAsync(){this.prebuild();for(const e of ui){this.setBuildStage(e),this.context.position&&this.context.position.isNode&&this.flowNodeFromShaderStage("vertex",this.context.position);for(const t of li){this.setShaderStage(t);const r=this.flowNodes[t];for(const t of r)"generate"===e?this.flowNode(t):t.build(this);await Tt()}}return this.setBuildStage(null),this.setShaderStage(null),this.buildCode(),this.buildUpdateNodes(),this}getSharedDataFromNode(e){let t=SS.get(e);return void 0===t&&(t={}),t}getNodeUniform(e,t){const r=this.getSharedDataFromNode(e);let s=r.cache;if(void 0===s){if("float"===t||"int"===t||"uint"===t)s=new pS(e);else if("vec2"===t||"ivec2"===t||"uvec2"===t)s=new gS(e);else if("vec3"===t||"ivec3"===t||"uvec3"===t)s=new mS(e);else if("vec4"===t||"ivec4"===t||"uvec4"===t)s=new fS(e);else if("color"===t)s=new yS(e);else if("mat2"===t)s=new bS(e);else if("mat3"===t)s=new xS(e);else{if("mat4"!==t)throw new Error(`THREE.NodeBuilder: Uniform "${t}" not implemented.`);s=new TS(e)}r.cache=s}return s}format(e,t,r){if((t=this.getVectorType(t))===(r=this.getVectorType(r))||null===r||this.isReference(r))return e;const s=this.getTypeLength(t),i=this.getTypeLength(r);return 16===s&&9===i?`${this.getType(r)}( ${e}[ 0 ].xyz, ${e}[ 1 ].xyz, ${e}[ 2 ].xyz )`:9===s&&4===i?`${this.getType(r)}( ${e}[ 0 ].xy, ${e}[ 1 ].xy )`:s>4||i>4||0===i?e:s===i?`${this.getType(r)}( ${e} )`:s>i?(e="bool"===r?`all( ${e} )`:`${e}.${"xyz".slice(0,i)}`,this.format(e,this.getTypeFromLength(i,this.getComponentType(t)),r)):4===i&&s>1?`${this.getType(r)}( ${this.format(e,t,"vec3")}, 1.0 )`:2===s?`${this.getType(r)}( ${this.format(e,t,"vec2")}, 0.0 )`:(1===s&&i>1&&t!==this.getComponentType(r)&&(e=`${this.getType(this.getComponentType(r))}( ${e} )`),`${this.getType(r)}( ${e} )`)}getSignature(){return`// Three.js r${_t} - Node System\n`}needsPreviousData(){const e=this.renderer.getMRT();return e&&e.has("velocity")||!0===Js(this.object).useVelocity}}class CS{constructor(){this.time=0,this.deltaTime=0,this.frameId=0,this.renderId=0,this.updateMap=new WeakMap,this.updateBeforeMap=new WeakMap,this.updateAfterMap=new WeakMap,this.renderer=null,this.material=null,this.camera=null,this.object=null,this.scene=null}_getMaps(e,t){let r=e.get(t);return void 0===r&&(r={renderId:0,frameId:0},e.set(t,r)),r}updateBeforeNode(e){const t=e.getUpdateBeforeType(),r=e.updateReference(this);if(t===ii.FRAME){const t=this._getMaps(this.updateBeforeMap,r);if(t.frameId!==this.frameId){const r=t.frameId;t.frameId=this.frameId,!1===e.updateBefore(this)&&(t.frameId=r)}}else if(t===ii.RENDER){const t=this._getMaps(this.updateBeforeMap,r);if(t.renderId!==this.renderId){const r=t.renderId;t.renderId=this.renderId,!1===e.updateBefore(this)&&(t.renderId=r)}}else t===ii.OBJECT&&e.updateBefore(this)}updateAfterNode(e){const t=e.getUpdateAfterType(),r=e.updateReference(this);if(t===ii.FRAME){const t=this._getMaps(this.updateAfterMap,r);t.frameId!==this.frameId&&!1!==e.updateAfter(this)&&(t.frameId=this.frameId)}else if(t===ii.RENDER){const t=this._getMaps(this.updateAfterMap,r);t.renderId!==this.renderId&&!1!==e.updateAfter(this)&&(t.renderId=this.renderId)}else t===ii.OBJECT&&e.updateAfter(this)}updateNode(e){const t=e.getUpdateType(),r=e.updateReference(this);if(t===ii.FRAME){const t=this._getMaps(this.updateMap,r);t.frameId!==this.frameId&&!1!==e.update(this)&&(t.frameId=this.frameId)}else if(t===ii.RENDER){const t=this._getMaps(this.updateMap,r);t.renderId!==this.renderId&&!1!==e.update(this)&&(t.renderId=this.renderId)}else t===ii.OBJECT&&e.update(this)}update(){this.frameId++,void 0===this.lastTime&&(this.lastTime=performance.now()),this.deltaTime=(performance.now()-this.lastTime)/1e3,this.lastTime=performance.now(),this.time+=this.deltaTime}}class MS{constructor(e,t,r=null,s="",i=!1){this.type=e,this.name=t,this.count=r,this.qualifier=s,this.isConst=i}}MS.isNodeFunctionInput=!0;class BS extends Wv{static get type(){return"AmbientLightNode"}constructor(e=null){super(e)}setup({context:e}){e.irradiance.addAssign(this.colorNode)}}class LS extends Wv{static get type(){return"DirectionalLightNode"}constructor(e=null){super(e)}setupDirect(){const e=this.colorNode;return{lightDirection:Y_(this.light),lightColor:e}}}class FS extends Wv{static get type(){return"HemisphereLightNode"}constructor(t=null){super(t),this.lightPositionNode=j_(t),this.lightDirectionNode=this.lightPositionNode.normalize(),this.groundColorNode=Aa(new e).setGroup(Ra)}update(e){const{light:t}=this;super.update(e),this.lightPositionNode.object3d=t,this.groundColorNode.value.copy(t.groundColor).multiplyScalar(t.intensity)}setup(e){const{colorNode:t,groundColorNode:r,lightDirectionNode:s}=this,i=Mc.dot(s).mul(.5).add(.5),n=yu(r,t,i);e.context.irradiance.addAssign(n)}}class PS extends Wv{static get type(){return"SpotLightNode"}constructor(e=null){super(e),this.coneCosNode=Aa(0).setGroup(Ra),this.penumbraCosNode=Aa(0).setGroup(Ra),this.cutoffDistanceNode=Aa(0).setGroup(Ra),this.decayExponentNode=Aa(0).setGroup(Ra),this.colorNode=Aa(this.color).setGroup(Ra)}update(e){super.update(e);const{light:t}=this;this.coneCosNode.value=Math.cos(t.angle),this.penumbraCosNode.value=Math.cos(t.angle*(1-t.penumbra)),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}getSpotAttenuation(e,t){const{coneCosNode:r,penumbraCosNode:s}=this;return _u(r,s,t)}getLightCoord(e){const t=e.getNodeProperties(this);let r=t.projectionUV;return void 0===r&&(r=H_(this.light,e.context.positionWorld),t.projectionUV=r),r}setupDirect(e){const{colorNode:t,cutoffDistanceNode:r,decayExponentNode:s,light:i}=this,n=this.getLightVector(e),a=n.normalize(),o=a.dot(Y_(i)),u=this.getSpotAttenuation(e,o),l=n.length(),d=Hv({lightDistance:l,cutoffDistance:r,decayExponent:s});let c,h,p=t.mul(u).mul(d);if(i.colorNode?(h=this.getLightCoord(e),c=i.colorNode(h)):i.map&&(h=this.getLightCoord(e),c=ed(i.map,h.xy).onRenderUpdate(()=>i.map)),c){p=h.mul(2).sub(1).abs().lessThan(1).all().select(p.mul(c),p)}return{lightColor:p,lightDirection:a}}}class US extends PS{static get type(){return"IESSpotLightNode"}constructor(e=null){super(e),this._iesTextureNode=null}getSpotAttenuation(e,t){const r=this.light.iesMap;let s=null;if(r&&!0===r.isTexture){const e=t.acos().mul(1/Math.PI);this._iesTextureNode=ed(r,Sn(e,0),0),s=this._iesTextureNode.r}else s=super.getSpotAttenuation(e,t);return s}update(e){super.update(e),null!==this._iesTextureNode&&this.light.iesMap&&(this._iesTextureNode.value=this.light.iesMap)}}class DS extends Wv{static get type(){return"LightProbeNode"}constructor(e=null){super(e);const t=[];for(let e=0;e<9;e++)t.push(new r);this.lightProbe=ad(t)}update(e){const{light:t}=this;super.update(e);for(let e=0;e<9;e++)this.lightProbe.array[e].copy(t.sh.coefficients[e]).multiplyScalar(t.intensity)}setup(e){const t=zN(Mc,this.lightProbe);e.context.irradiance.addAssign(t)}}const OS=gn(([e,t])=>{const r=e.abs().sub(t);return Wo(su(r,0)).add(ru(su(r.x,r.y),0))});class IS extends PS{static get type(){return"ProjectorLightNode"}update(e){super.update(e);const t=this.light;if(this.penumbraCosNode.value=Math.min(Math.cos(t.angle*(1-t.penumbra)),.99999),null===t.aspect){let e=1;null!==t.map&&(e=t.map.width/t.map.height),t.shadow.aspect=e}else t.shadow.aspect=t.aspect}getSpotAttenuation(e){const t=Tn(0),r=this.penumbraCosNode,s=W_(this.light).mul(e.context.positionWorld||fc);return yn(s.w.greaterThan(0),()=>{const e=s.xyz.div(s.w),i=OS(e.xy.sub(Sn(.5)),Sn(.5)),n=ka(-1,Ia(1,Io(r)).sub(1));t.assign(xu(i.mul(-2).mul(n)))}),t}}const VS=new a,kS=new a;let GS=null;class $S extends Wv{static get type(){return"RectAreaLightNode"}constructor(e=null){super(e),this.halfHeight=Aa(new r).setGroup(Ra),this.halfWidth=Aa(new r).setGroup(Ra),this.updateType=ii.RENDER}update(e){super.update(e);const{light:t}=this,r=e.camera.matrixWorldInverse;kS.identity(),VS.copy(t.matrixWorld),VS.premultiply(r),kS.extractRotation(VS),this.halfWidth.value.set(.5*t.width,0,0),this.halfHeight.value.set(0,.5*t.height,0),this.halfWidth.value.applyMatrix4(kS),this.halfHeight.value.applyMatrix4(kS)}setupDirectRectArea(e){let t,r;e.isAvailable("float32Filterable")?(t=ed(GS.LTC_FLOAT_1),r=ed(GS.LTC_FLOAT_2)):(t=ed(GS.LTC_HALF_1),r=ed(GS.LTC_HALF_2));const{colorNode:s,light:i}=this;return{lightColor:s,lightPosition:X_(i),halfWidth:this.halfWidth,halfHeight:this.halfHeight,ltc_1:t,ltc_2:r}}static setLTC(e){GS=e}}class zS{parseFunction(){d("Abstract function.")}}class WS{constructor(e,t,r="",s=""){this.type=e,this.inputs=t,this.name=r,this.precision=s}getCode(){d("Abstract function.")}}WS.isNodeFunction=!0;const HS=/^\s*(highp|mediump|lowp)?\s*([a-z_0-9]+)\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)/i,jS=/[a-z_0-9]+/gi,qS="#pragma main";class XS extends WS{constructor(e){const{type:t,inputs:r,name:s,precision:i,inputsCode:n,blockCode:a,headerCode:o}=(e=>{const t=(e=e.trim()).indexOf(qS),r=-1!==t?e.slice(t+12):e,s=r.match(HS);if(null!==s&&5===s.length){const i=s[4],n=[];let a=null;for(;null!==(a=jS.exec(i));)n.push(a);const o=[];let u=0;for(;u<n.length;){const e="const"===n[u][0];!0===e&&u++;let t=n[u][0];"in"===t||"out"===t||"inout"===t?u++:t="";const r=n[u++][0];let s=Number.parseInt(n[u][0]);!1===Number.isNaN(s)?u++:s=null;const i=n[u++][0];o.push(new MS(r,i,s,t,e))}const l=r.substring(s[0].length),d=void 0!==s[3]?s[3]:"";return{type:s[2],inputs:o,name:d,precision:void 0!==s[1]?s[1]:"",inputsCode:i,blockCode:l,headerCode:-1!==t?e.slice(0,t):""}}throw new Error("THREE.FunctionNode: Function is not a GLSL code.")})(e);super(t,r,s,i),this.inputsCode=n,this.blockCode=a,this.headerCode=o}getCode(e=this.name){let t;const r=this.blockCode;if(""!==r){const{type:s,inputsCode:i,headerCode:n,precision:a}=this;let o=`${s} ${e} ( ${i.trim()} )`;""!==a&&(o=`${a} ${o}`),t=n+o+r}else t="";return t}}class YS extends zS{parseFunction(e){return new XS(e)}}const KS=[],QS=[],ZS=Aa(0,"int").setGroup(Ra);class JS extends jy{constructor(e,t){super(),this.renderer=e,this.backend=t,this.nodeFrame=new CS,this.nodeBuilderCache=new Map,this.callHashCache=new Gy,this.groupsData=new Gy,this._buildQueue=[],this._buildInProgress=!1,this.cacheLib={}}updateGroup(e){const t=e.groupNode;KS[0]=t,KS[1]=e;let r=this.groupsData.get(KS);return void 0===r&&this.groupsData.set(KS,r={}),KS[0]=null,KS[1]=null,r.version!==t.version&&(r.version=t.version,!0)}getForRenderCacheKey(e){return e.initialCacheKey}_createNodeBuilder(e,t){const r=this.backend.createNodeBuilder(e.object,this.renderer);return r.scene=e.scene,r.material=t,r.camera=e.camera,r.context.material=t,r.lightsNode=e.lightsNode,r.environmentNode=this.getEnvironmentNode(e.scene),r.fogNode=this.getFogNode(e.scene),r.clippingContext=e.clippingContext,this.renderer.getOutputRenderTarget()&&this.renderer.getOutputRenderTarget().multiview&&r.enableMultiview(),r}getForRender(e,t=!1){const r=this.get(e);let s=r.nodeBuilderState;if(void 0===s){const{nodeBuilderCache:i}=this,n=this.getForRenderCacheKey(e);if(s=i.get(n),void 0===s){if(t)return(async()=>{let r=this._createNodeBuilder(e,e.material);try{t?await r.buildAsync():r.build()}catch(s){r=this._createNodeBuilder(e,new Ug),t?await r.buildAsync():r.build(),o("TSL: "+s)}return r})().then(e=>(s=this._createNodeBuilderState(e),i.set(n,s),s.usedTimes++,r.nodeBuilderState=s,s));{let t=this._createNodeBuilder(e,e.material);try{t.build()}catch(r){t=this._createNodeBuilder(e,new Ug),t.build();let s=r.stackTrace;!s&&r.stack&&(s=new Vs(r.stack)),o("TSL: "+r,s)}s=this._createNodeBuilderState(t),i.set(n,s)}}s.usedTimes++,r.nodeBuilderState=s}return s}getForRenderAsync(e){const t=this.getForRender(e,!0);return t.then?t:Promise.resolve(t)}getForRenderDeferred(e){const t=this.get(e);if(void 0!==t.nodeBuilderState)return t.nodeBuilderState;const r=this.getForRenderCacheKey(e),s=this.nodeBuilderCache.get(r);return void 0!==s?(s.usedTimes++,t.nodeBuilderState=s,s):(!0!==t.pendingBuild&&(t.pendingBuild=!0,this._buildQueue.push(()=>this.getForRenderAsync(e).then(()=>{t.pendingBuild=!1})),this._processBuildQueue()),null)}_processBuildQueue(){if(this._buildInProgress||0===this._buildQueue.length)return;this._buildInProgress=!0;this._buildQueue.shift()().then(()=>{this._buildInProgress=!1,this._processBuildQueue()})}delete(e){if(e.isRenderObject){const t=this.get(e).nodeBuilderState;void 0!==t&&(t.usedTimes--,0===t.usedTimes&&this.nodeBuilderCache.delete(this.getForRenderCacheKey(e)))}return super.delete(e)}getForCompute(e){const t=this.get(e);let r=t.nodeBuilderState;if(void 0===r||t.version!==e.version){const s=this.backend.createNodeBuilder(e,this.renderer);s.build(),r=this._createNodeBuilderState(s),t.nodeBuilderState=r,t.version=e.version}return r}_createNodeBuilderState(e){return new YN(e.vertexShader,e.fragmentShader,e.computeShader,e.getAttributesArray(),e.getBindings(),e.updateNodes,e.updateBeforeNodes,e.updateAfterNodes,e.observer,e.hardwareClipping,e.transforms)}getEnvironmentNode(e){if(!1===this.renderer.lighting.enabled)return null;this.updateEnvironment(e);let t=null;if(e.environmentNode&&e.environmentNode.isNode)t=e.environmentNode;else{const r=this.get(e);r.environmentNode&&(t=r.environmentNode)}return t}getBackgroundNode(e){this.updateBackground(e);let t=null;if(e.backgroundNode&&e.backgroundNode.isNode)t=e.backgroundNode;else{const r=this.get(e);r.backgroundNode&&(t=r.backgroundNode)}return t}getFogNode(e){return this.updateFog(e),e.fogNode||this.get(e).fogNode||null}getCacheKey(e,t){KS[0]=e,KS[1]=t;const r=this.renderer.info.calls,s=this.callHashCache.get(KS)||{};if(s.callId!==r){if(QS.push(this.renderer.getOutputRenderTarget()&&this.renderer.getOutputRenderTarget().multiview?1:0),QS.push(this.renderer.lighting.enabled?1:0),this.renderer.lighting.enabled){QS.push(t.getCacheKey(!0)),QS.push(this.renderer.shadowMap.enabled?1:0),QS.push(this.renderer.shadowMap.type);const r=this.getEnvironmentNode(e);r&&QS.push(r.getCacheKey())}const i=this.getFogNode(e);i&&QS.push(i.getCacheKey()),s.callId=r,s.cacheKey=$s(QS),this.callHashCache.set(KS,s),QS.length=0}return KS[0]=null,KS[1]=null,s.cacheKey}get isToneMappingState(){return!this.renderer.getRenderTarget()}updateBackground(e){const t=this.get(e),r=e.background;if(r){const s=0===e.backgroundBlurriness&&t.backgroundBlurriness>0||e.backgroundBlurriness>0&&0===t.backgroundBlurriness;if(t.background!==r||s){const i=this.getCacheNode("background",r,()=>{if(!0===r.isCubeTexture||r.mapping===ce||r.mapping===he||r.mapping===we){if(e.backgroundBlurriness>0||r.mapping===we)return ay(r);{let e;return e=!0===r.isCubeTexture?Xc(r):ed(r),im(e)}}if(!0===r.isTexture)return ed(r,pd.flipY()).setUpdateMatrix(!0);!0!==r.isColor&&o("WebGPUNodes: Unsupported background configuration.",r)},s);t.backgroundNode=i,t.background=r,t.backgroundBlurriness=e.backgroundBlurriness}}else t.backgroundNode&&(delete t.backgroundNode,delete t.background)}getCacheNode(e,t,r,s=!1){const i=this.cacheLib[e]||(this.cacheLib[e]=new WeakMap);let n=i.get(t);return(void 0===n||s)&&(n=r(),i.set(t,n)),n}updateFog(e){const t=this.get(e),r=e.fog;if(r){if(t.fog!==r){const e=this.getCacheNode("fog",r,()=>{if(r.isFogExp2){const e=Qc("color","color",r).setGroup(Ra),t=Qc("density","float",r).setGroup(Ra);return QT(e,YT(t))}if(r.isFog){const e=Qc("color","color",r).setGroup(Ra),t=Qc("near","float",r).setGroup(Ra),s=Qc("far","float",r).setGroup(Ra);return QT(e,XT(t,s))}o("Renderer: Unsupported fog configuration.",r)});t.fogNode=e,t.fog=r}}else delete t.fogNode,delete t.fog}updateEnvironment(e){const t=this.get(e),r=e.environment;if(r){if(t.environment!==r){const e=this.getCacheNode("environment",r,()=>!0===r.isCubeTexture?Xc(r):!0===r.isTexture?ed(r):void o("Nodes: Unsupported environment configuration.",r));t.environmentNode=e,t.environment=r}}else t.environmentNode&&(delete t.environmentNode,delete t.environment)}getNodeFrame(e=this.renderer,t=null,r=null,s=null,i=null){const n=this.nodeFrame;return n.renderer=e,n.scene=t,n.object=r,n.camera=s,n.material=i,n}getNodeFrameForRender(e){return this.getNodeFrame(e.renderer,e.scene,e.object,e.camera,e.material)}getOutputCacheKey(){const e=this.renderer;return e.toneMapping+","+e.currentColorSpace+","+e.xr.isPresenting}getOutputNode(e){const t=this.renderer;let r;return r=e.isArrayTexture?this.backend.isWebGLBackend?ed(e,pd).depth(ud("gl_ViewID_OVR")).renderOutput(t.toneMapping,t.currentColorSpace):ed(e,pd).depth(ZS).renderOutput(t.toneMapping,t.currentColorSpace):ed(e,pd).renderOutput(t.toneMapping,t.currentColorSpace),r}setOutputLayerIndex(e){ZS.value=e}updateBefore(e){const t=e.getNodeBuilderState();for(const r of t.updateBeforeNodes)this.getNodeFrameForRender(e).updateBeforeNode(r)}updateAfter(e){const t=e.getNodeBuilderState();for(const r of t.updateAfterNodes)this.getNodeFrameForRender(e).updateAfterNode(r)}updateForCompute(e){const t=this.getNodeFrame(),r=this.getForCompute(e);for(const e of r.updateNodes)t.updateNode(e)}updateForRender(e){const t=this.getNodeFrameForRender(e),r=e.getNodeBuilderState();for(const e of r.updateNodes)t.updateNode(e)}needsRefresh(e){const t=this.getNodeFrameForRender(e);return e.getMonitor().needsRefresh(e,t)}dispose(){super.dispose(),this.nodeFrame=new CS,this.nodeBuilderCache=new Map,this.cacheLib={}}}const eR=new ut;class tR{constructor(e=null){this.version=0,this.clipIntersection=null,this.cacheKey="",this.shadowPass=!1,this.viewMatrix=new a,this.viewNormalMatrix=new n,this.clippingGroupContexts=new WeakMap,this.intersectionPlanes=[],this.unionPlanes=[],this.parentVersion=null,null!==e&&(this.viewMatrix=e.viewMatrix,this.viewNormalMatrix=e.viewNormalMatrix,this.clippingGroupContexts=e.clippingGroupContexts,this.shadowPass=e.shadowPass)}projectPlanes(e,t,r){const s=e.length;for(let i=0;i<s;i++){eR.copy(e[i]).applyMatrix4(this.viewMatrix,this.viewNormalMatrix);const s=t[r+i],n=eR.normal;s.x=-n.x,s.y=-n.y,s.z=-n.z,s.w=eR.constant}}updateGlobal(e,t){this.shadowPass=null!==e.overrideMaterial&&e.overrideMaterial.isShadowPassMaterial,this.viewMatrix.copy(t.matrixWorldInverse),this.viewNormalMatrix.getNormalMatrix(this.viewMatrix)}update(e,t){let r=!1;e.version!==this.parentVersion&&(this.intersectionPlanes=Array.from(e.intersectionPlanes),this.unionPlanes=Array.from(e.unionPlanes),this.parentVersion=e.version),this.clipIntersection!==t.clipIntersection&&(this.clipIntersection=t.clipIntersection,this.clipIntersection?this.unionPlanes.length=e.unionPlanes.length:this.intersectionPlanes.length=e.intersectionPlanes.length);const i=t.clippingPlanes,n=i.length;let a,o;if(this.clipIntersection?(a=this.intersectionPlanes,o=e.intersectionPlanes.length):(a=this.unionPlanes,o=e.unionPlanes.length),a.length!==o+n){a.length=o+n;for(let e=0;e<n;e++)a[o+e]=new s;r=!0}this.projectPlanes(i,a,o),r&&(this.version++,this.cacheKey=`${this.intersectionPlanes.length}:${this.unionPlanes.length}`)}getGroupContext(e){if(this.shadowPass&&!e.clipShadows)return this;let t=this.clippingGroupContexts.get(e);return void 0===t&&(t=new tR(this),this.clippingGroupContexts.set(e,t)),t.update(this,e),t}get unionClippingCount(){return this.unionPlanes.length}}class rR{constructor(e,t,r){this.bundleGroup=e,this.camera=t,this.renderContext=r}}const sR=[];class iR{constructor(){this.bundles=new Gy}get(e,t,r){const s=this.bundles;sR[0]=e,sR[1]=t,sR[2]=r;let i=s.get(sR);return void 0===i&&(i=new rR(e,t,r),s.set(sR,i)),sR[0]=null,sR[1]=null,sR[2]=null,i}dispose(){this.bundles=new Gy}}class nR{constructor(){this.lightNodes=new WeakMap,this.materialNodes=new Map,this.toneMappingNodes=new Map}fromMaterial(e){if(e.isNodeMaterial)return e;let t=null;const r=this.getMaterialNodeClass(e.type);if(null!==r){t=new r;for(const r in e)t[r]=e[r]}return t}addToneMapping(e,t){this.addType(e,t,this.toneMappingNodes)}getToneMappingFunction(e){return this.toneMappingNodes.get(e)||null}getMaterialNodeClass(e){return this.materialNodes.get(e)||null}addMaterial(e,t){this.addType(e,t,this.materialNodes)}getLightNodeClass(e){return this.lightNodes.get(e)||null}addLight(e,t){this.addClass(e,t,this.lightNodes)}addType(e,t,r){if(r.has(t))d(`Redefinition of node ${t}`);else{if("function"!=typeof e)throw new Error(`THREE.NodeLibrary: Node class ${e.name} is not a class.`);if("function"==typeof t||"object"==typeof t)throw new Error(`THREE.NodeLibrary: Base class ${t} is not a class.`);r.set(t,e)}}addClass(e,t,r){if(r.has(t))d(`Redefinition of node ${t.name}`);else{if("function"!=typeof e)throw new Error(`THREE.NodeLibrary: Node class ${e.name} is not a class.`);if("function"!=typeof t)throw new Error(`THREE.NodeLibrary: Base class ${t.name} is not a class.`);r.set(t,e)}}}const aR=new rv,oR=new WeakMap;class uR{constructor(){this.enabled=!0}createNode(e=[]){return(new rv).setLights(e)}getNode(e){if(!0!==e.isScene&&!0!==e.isGroup)return aR;let t=oR.get(e);return void 0===t&&(t=this.createNode(),oR.set(e,t)),t}}class lR extends ne{constructor(e=1,t=1,r={}){super(e,t,r),this.isXRRenderTarget=!0,this._hasExternalTextures=!1,this._autoAllocateDepthBuffer=!0,this._isOpaqueFramebuffer=!1}copy(e){return super.copy(e),this._hasExternalTextures=e._hasExternalTextures,this._autoAllocateDepthBuffer=e._autoAllocateDepthBuffer,this._isOpaqueFramebuffer=e._isOpaqueFramebuffer,this}}const dR=new r,cR=new r,hR=new WeakMap;class pR extends u{constructor(e,r=!1){super(),this.enabled=!1,this.isPresenting=!1,this.cameraAutoUpdate=!0,this._renderer=e,this._cameraL=new Se,this._cameraL.viewport=new s,this._cameraL.matrixWorldAutoUpdate=!1,this._cameraR=new Se,this._cameraR.viewport=new s,this._cameraR.matrixWorldAutoUpdate=!1,this._cameras=[this._cameraL,this._cameraR],this._cameraXR=new vt,this._currentDepthNear=null,this._currentDepthFar=null,this._controllers=[],this._controllerInputSources=[],this._xrRenderTarget=null,this._layers=[],this._sessionUsesLayers=!1,this._supportsGlBinding="undefined"!=typeof XRWebGLBinding,this._supportsWebGPUBinding=void 0!==globalThis.XRGPUBinding,this._createXRLayer=bR.bind(this),this._gl=null,this._currentAnimationContext=null,this._currentAnimationLoop=null,this._currentPixelRatio=null,this._currentSamples=null,this._currentSize=new t,this._onSessionEvent=mR.bind(this),this._onSessionEnd=fR.bind(this),this._onInputSourcesChange=yR.bind(this),this._onAnimationFrame=xR.bind(this),this._referenceSpace=null,this._referenceSpaceType="local-floor",this._customReferenceSpace=null,this._framebufferScaleFactor=1,this._foveation=1,this._session=null,this._glBaseLayer=null,this._glBinding=null,this._webgpuBinding=null,this._glProjLayer=null,this._xrFrame=null,this._supportsLayers=this._supportsGlBinding&&"createProjectionLayer"in XRWebGLBinding.prototype,this._useMultiviewIfPossible=r,this._useMultiview=!1}getController(e){return this._getController(e).getTargetRaySpace()}getControllerGrip(e){return this._getController(e).getGripSpace()}getHand(e){return this._getController(e).getHandSpace()}getFoveation(){return this._foveation}setFoveation(e){this._foveation=e,null!==this._glProjLayer&&(this._glProjLayer.fixedFoveation=e),null!==this._glBaseLayer&&void 0!==this._glBaseLayer.fixedFoveation&&(this._glBaseLayer.fixedFoveation=e)}getFramebufferScaleFactor(){return this._framebufferScaleFactor}setFramebufferScaleFactor(e){this._framebufferScaleFactor=e,!0===this.isPresenting&&d("XRManager: Cannot change framebuffer scale while presenting.")}getReferenceSpaceType(){return this._referenceSpaceType}setReferenceSpaceType(e){this._referenceSpaceType=e,!0===this.isPresenting&&d("XRManager: Cannot change reference space type while presenting.")}getReferenceSpace(){return this._customReferenceSpace||this._referenceSpace}setReferenceSpace(e){this._customReferenceSpace=e}getCamera(){return this._cameraXR}getEnvironmentBlendMode(){if(null!==this._session)return this._session.environmentBlendMode}getBaseLayer(){return null!==this._glProjLayer?this._glProjLayer:this._glBaseLayer}getBinding(){return null===this._glBinding&&this._supportsGlBinding&&(this._glBinding=new XRWebGLBinding(this._session,this._gl)),this._glBinding}foveateBoundTexture(e){if(!0!==e.isPostProcessingRenderTarget)return;if(!0!==this.isPresenting)return;if(null===this._glProjLayer)return;const t=this._renderer.backend;if(void 0===t||!0!==t.isWebGLBackend)return;if(null===t.state)return;const r=this._renderer.getOutputRenderTarget();if(null===r||!0!==r.isXRRenderTarget)return;const s=this.getBinding();if(null===s||"function"!=typeof s.foveateBoundTexture)return;this._renderer._textures.updateRenderTarget(e);const{textureGPU:i,glTextureType:n}=t.get(e.texture);if(void 0!==i&&void 0!==n&&e._xrFoveationTextureGPU!==i){e._xrFoveationTextureGPU=i,t.state.bindTexture(n,i);try{s.foveateBoundTexture(n,this.getFoveation())}catch(e){v(`XRManager: Unable to foveate bound XR post-processing texture. ${e.name}: ${e.message}`)}finally{t.state.unbindTexture()}}}getWebGPUBinding(){return null===this._webgpuBinding&&this._supportsWebGPUBinding&&(this._webgpuBinding=new globalThis.XRGPUBinding(this._session,this._renderer.backend.device)),this._webgpuBinding}_isWebGPUSession(){return!0===this._renderer.backend.isWebGPUBackend&&null!==this._session&&this._session.enabledFeatures.includes("webgpu")}_validateWebGPUSession(){const e=this._renderer;if(!0===e.backend.isWebGPUBackend){if(!1===this._session.enabledFeatures.includes("webgpu"))throw new Error('THREE.XRManager: WebGPU XR sessions require the "webgpu" session feature. Use VRButtonGPU/XRButton with "webgpu" enabled or use a WebGL backend.');e.samples>0&&(v("THREE.XRManager: WebGPU XR does not support MSAA yet. Disabling MSAA for this XR session."),null===this._currentSamples&&(this._currentSamples=e.samples),e._samples=0)}}async _initWebGPUSession(e){const t=this.getWebGPUBinding(),r=t.createProjectionLayer({colorFormat:t.getPreferredColorFormat(),depthStencilFormat:"depth24plus"});this._glProjLayer=r,e.updateRenderState({layers:[r]}),this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType()),this._xrRenderTarget=new ne(r.textureWidth,r.textureHeight,{depth:2,minFilter:le,magFilter:le,depthBuffer:!0,multiview:!1,useArrayDepthTexture:!0,samples:0}),this._xrRenderTarget.texture.isArrayTexture=!0,!0===this._useMultiviewIfPossible&&v("THREE.XRManager: WebGPU XR does not support multiview yet. Disabling multiview for this XR session."),this._useMultiview=!1}_disposeWebGPUSession(){const e=this._renderer,t=this._xrRenderTarget;if(null===t||!0!==e.backend.isWebGPUBackend)return;const r=e.backend,s=e._textures,i=r.get?r.get(t):null;i&&(i.descriptors=void 0);const n=e=>{null!=e&&(r.delete&&r.delete(e),s.delete&&s.delete(e))};for(let e=0;e<t.textures.length;e++)n(t.textures[e]);n(t.depthTexture),n(t),e._renderContexts&&e._renderContexts.dispose&&e._renderContexts.dispose(),t.dispose()}_getWebGPUViewData(e){const t=this.getWebGPUBinding(),r={colorTexture:null,viewDescriptors:[],viewports:[]};for(let s=0;s<e.length;s++){const i=t.getViewSubImage(this._glProjLayer,e[s]);null===r.colorTexture&&(r.colorTexture=i.colorTexture),r.viewports.push(i.viewport),i.getViewDescriptor&&r.viewDescriptors.push(i.getViewDescriptor())}return r}getFrame(){return this._xrFrame}useMultiview(){return this._useMultiview}createQuadLayer(e,t,r,s,i,n,a,o={}){const u=new Nt(e,t),l=new lR(i,n,{format:Ee,type:Ve,depthTexture:new Z(i,n,o.stencil?Ze:S,void 0,void 0,void 0,void 0,void 0,void 0,o.stencil?je:He),stencilBuffer:o.stencil,resolveDepthBuffer:!1,resolveStencilBuffer:!1});l._autoAllocateDepthBuffer=!0;const d=new fe({color:16777215,side:St});d.map=l.texture,d.map.offset.y=1,d.map.repeat.y=-1;const c=new oe(u,d);c.position.copy(r),c.quaternion.copy(s);const h={type:"quad",width:e,height:t,translation:r,quaternion:s,pixelwidth:i,pixelheight:n,plane:c,material:d,rendercall:a,renderTarget:l};if(this._layers.push(h),null!==this._session){h.plane.material=new fe({color:16777215,side:St}),h.plane.material.blending=Rt,h.plane.material.blendEquation=it,h.plane.material.blendSrc=Et,h.plane.material.blendDst=Et,h.xrlayer=this._createXRLayer(h);const e=this._session.renderState.layers;e.unshift(h.xrlayer),this._session.updateRenderState({layers:e})}else l.isXRRenderTarget=!1;return c}createCylinderLayer(e,t,r,s,i,n,a,o,u={}){const l=new wt(e,e,e*t/r,64,64,!0,Math.PI-t/2,t),d=new lR(n,a,{format:Ee,type:Ve,depthTexture:new Z(n,a,u.stencil?Ze:S,void 0,void 0,void 0,void 0,void 0,void 0,u.stencil?je:He),stencilBuffer:u.stencil,resolveDepthBuffer:!1,resolveStencilBuffer:!1});d._autoAllocateDepthBuffer=!0;const c=new fe({color:16777215,side:F});c.map=d.texture,c.map.offset.y=1,c.map.repeat.y=-1;const h=new oe(l,c);h.position.copy(s),h.quaternion.copy(i);const p={type:"cylinder",radius:e,centralAngle:t,aspectratio:r,translation:s,quaternion:i,pixelwidth:n,pixelheight:a,plane:h,material:c,rendercall:o,renderTarget:d};if(this._layers.push(p),null!==this._session){p.plane.material=new fe({color:16777215,side:F}),p.plane.material.blending=Rt,p.plane.material.blendEquation=it,p.plane.material.blendSrc=Et,p.plane.material.blendDst=Et,p.xrlayer=this._createXRLayer(p);const e=this._session.renderState.layers;e.unshift(p.xrlayer),this._session.updateRenderState({layers:e})}else d.isXRRenderTarget=!1;return h}renderLayers(){const e=new r,s=new At,i=this._renderer,n=this.isPresenting;this.isPresenting=!1;const a=new t;i.getSize(a);const o=i.getRenderTarget();for(const t of this._layers){t.renderTarget.isXRRenderTarget=null!==this._session,t.renderTarget._hasExternalTextures=t.renderTarget.isXRRenderTarget;const r=i.contextNode;let n;if(t.renderTarget.isXRRenderTarget&&this._sessionUsesLayers){t.xrlayer.transform=new XRRigidTransform(t.plane.getWorldPosition(e),t.plane.getWorldQuaternion(s));const a=this._glBinding.getSubImage(t.xrlayer,this._xrFrame);i.backend.setXRRenderTargetTextures(t.renderTarget,a.colorTexture,void 0),i._setXRLayerSize(t.renderTarget.width,t.renderTarget.height),n=hR.get(r),void 0===n&&(n=r.context({getOutput:e=>Ol(e,i.toneMapping,i.outputColorSpace)}),hR.set(r,n))}else n=r;i.contextNode=n,i.setRenderTarget(t.renderTarget),t.rendercall(),i.contextNode=r}i.setRenderTarget(o),i._setXRLayerSize(a.x,a.y),this.isPresenting=n}getSession(){return this._session}async setSession(e){const t=this._renderer;!1===t.initialized&&await t.init(),this._gl=t.getContext();const r=this._gl;if(this._session=e,null!==e){if(e.addEventListener("select",this._onSessionEvent),e.addEventListener("selectstart",this._onSessionEvent),e.addEventListener("selectend",this._onSessionEvent),e.addEventListener("squeeze",this._onSessionEvent),e.addEventListener("squeezestart",this._onSessionEvent),e.addEventListener("squeezeend",this._onSessionEvent),e.addEventListener("end",this._onSessionEnd),e.addEventListener("inputsourceschange",this._onInputSourcesChange),this._validateWebGPUSession(),this._currentPixelRatio=t.getPixelRatio(),t.getSize(this._currentSize),this._currentAnimationContext=t._animation.getContext(),this._currentAnimationLoop=t._animation.getAnimationLoop(),t._animation.stop(),this._isWebGPUSession())await this._initWebGPUSession(e);else if(!0===this._supportsLayers){let s=null,i=null,n=null;const a=r.getContextAttributes();await t.backend.makeXRCompatible(),this.setFoveation(this.getFoveation()),t.depth&&(n=t.stencil?r.DEPTH24_STENCIL8:r.DEPTH_COMPONENT24,s=t.stencil?je:He,i=t.stencil?Ze:S);const o={colorFormat:r.RGBA8,depthFormat:n,scaleFactor:this._framebufferScaleFactor,clearOnAccess:!1};this._useMultiviewIfPossible&&t.hasFeature("OVR_multiview2")&&(o.textureType="texture-array",this._useMultiview=!0),this._glBinding=this.getBinding();const u=this._glBinding.createProjectionLayer(o),l=[u];this._glProjLayer=u,t.setPixelRatio(1),t._setXRLayerSize(u.textureWidth,u.textureHeight);const d=this._useMultiview?2:1,c=new Z(u.textureWidth,u.textureHeight,i,void 0,void 0,void 0,void 0,void 0,void 0,s,d);if(this._xrRenderTarget=new lR(u.textureWidth,u.textureHeight,{format:Ee,type:Ve,colorSpace:t.outputColorSpace,depthTexture:c,stencilBuffer:t.stencil,samples:a.antialias?4:0,resolveDepthBuffer:!1===u.ignoreDepthValues,resolveStencilBuffer:!1===u.ignoreDepthValues,depth:this._useMultiview?2:1,multiview:this._useMultiview}),this._xrRenderTarget._hasExternalTextures=!0,this._xrRenderTarget.depth=this._useMultiview?2:1,this._sessionUsesLayers=e.enabledFeatures.includes("layers"),this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType()),this._sessionUsesLayers)for(const e of this._layers)e.plane.material=new fe({color:16777215,side:"cylinder"===e.type?F:St}),e.plane.material.blending=Rt,e.plane.material.blendEquation=it,e.plane.material.blendSrc=Et,e.plane.material.blendDst=Et,e.xrlayer=this._createXRLayer(e),l.unshift(e.xrlayer);e.updateRenderState({layers:l})}else{await t.backend.makeXRCompatible(),this.setFoveation(this.getFoveation());const s={antialias:t.currentSamples>0,alpha:!0,depth:t.depth,stencil:t.stencil,framebufferScaleFactor:this.getFramebufferScaleFactor()},i=new XRWebGLLayer(e,r,s);this._glBaseLayer=i,e.updateRenderState({baseLayer:i}),t.setPixelRatio(1),t._setXRLayerSize(i.framebufferWidth,i.framebufferHeight),this._xrRenderTarget=new lR(i.framebufferWidth,i.framebufferHeight,{format:Ee,type:Ve,colorSpace:t.outputColorSpace,stencilBuffer:t.stencil,resolveDepthBuffer:!1===i.ignoreDepthValues,resolveStencilBuffer:!1===i.ignoreDepthValues}),this._xrRenderTarget._isOpaqueFramebuffer=!0,this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType())}t._animation.setAnimationLoop(this._onAnimationFrame),t._animation.setContext(e),t._animation.start(),this.isPresenting=!0,this.dispatchEvent({type:"sessionstart"})}}updateCamera(e){const t=this._session;if(null===t)return;const r=e.near,s=e.far,i=this._cameraXR,n=this._cameraL,a=this._cameraR;i.near=a.near=n.near=r,i.far=a.far=n.far=s,i.isMultiViewCamera=this._useMultiview,this._currentDepthNear===i.near&&this._currentDepthFar===i.far||(t.updateRenderState({depthNear:i.near,depthFar:i.far}),this._currentDepthNear=i.near,this._currentDepthFar=i.far),i.layers.mask=6|e.layers.mask,n.layers.mask=-5&i.layers.mask,a.layers.mask=-3&i.layers.mask;const o=e.parent,u=i.cameras;gR(i,o);for(let e=0;e<u.length;e++)gR(u[e],o);2===u.length?function(e,t,r){dR.setFromMatrixPosition(t.matrixWorld),cR.setFromMatrixPosition(r.matrixWorld);const s=dR.distanceTo(cR),i=t.projectionMatrix.elements,n=r.projectionMatrix.elements,a=i[14]/(i[10]-1),o=i[14]/(i[10]+1),u=(i[9]+1)/i[5],l=(i[9]-1)/i[5],d=(i[8]-1)/i[0],c=(n[8]+1)/n[0],h=a*d,p=a*c,g=s/(-d+c),m=g*-d;if(t.matrixWorld.decompose(e.position,e.quaternion,e.scale),e.translateX(m),e.translateZ(g),e.matrixWorld.compose(e.position,e.quaternion,e.scale),e.matrixWorldInverse.copy(e.matrixWorld).invert(),-1===i[10])e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse);else{const t=a+g,r=o+g,i=h-m,n=p+(s-m),d=u*o/r*t,c=l*o/r*t;e.projectionMatrix.makePerspective(i,n,d,c,t,r),e.projectionMatrixInverse.copy(e.projectionMatrix).invert()}}(i,n,a):i.projectionMatrix.copy(n.projectionMatrix),function(e,t,r){null===r?e.matrix.copy(t.matrixWorld):(e.matrix.copy(r.matrixWorld),e.matrix.invert(),e.matrix.multiply(t.matrixWorld));e.matrix.decompose(e.position,e.quaternion,e.scale),e.updateMatrixWorld(!0),e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse),e.isPerspectiveCamera&&(e.fov=2*Mt*Math.atan(1/e.projectionMatrix.elements[5]),e.zoom=1)}(e,i,o)}_getController(e){let t=this._controllers[e];return void 0===t&&(t=new Ct,this._controllers[e]=t),t}}function gR(e,t){null===t?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}function mR(e){const t=this._controllerInputSources.indexOf(e.inputSource);if(-1===t)return;const r=this._controllers[t];if(void 0!==r){const t=this.getReferenceSpace();r.update(e.inputSource,e.frame,t),r.dispatchEvent({type:e.type,data:e.inputSource})}}function fR(){const e=this._session,t=this._renderer;e.removeEventListener("select",this._onSessionEvent),e.removeEventListener("selectstart",this._onSessionEvent),e.removeEventListener("selectend",this._onSessionEvent),e.removeEventListener("squeeze",this._onSessionEvent),e.removeEventListener("squeezestart",this._onSessionEvent),e.removeEventListener("squeezeend",this._onSessionEvent),e.removeEventListener("end",this._onSessionEnd),e.removeEventListener("inputsourceschange",this._onInputSourcesChange);for(let e=0;e<this._controllers.length;e++){const t=this._controllerInputSources[e];null!==t&&(this._controllerInputSources[e]=null,this._controllers[e].disconnect(t))}if(this._currentDepthNear=null,this._currentDepthFar=null,null!==this._currentSamples&&(t._samples=this._currentSamples,this._currentSamples=null),t._resetXRState(),this._disposeWebGPUSession(),this._session=null,this._xrRenderTarget=null,this._glBinding=null,this._webgpuBinding=null,this._glBaseLayer=null,this._glProjLayer=null,!0===this._sessionUsesLayers)for(const e of this._layers)e.renderTarget=new lR(e.pixelwidth,e.pixelheight,{format:Ee,type:Ve,depthTexture:new Z(e.pixelwidth,e.pixelheight,e.stencilBuffer?Ze:S,void 0,void 0,void 0,void 0,void 0,void 0,e.stencilBuffer?je:He),stencilBuffer:e.stencilBuffer,resolveDepthBuffer:!1,resolveStencilBuffer:!1}),e.renderTarget.isXRRenderTarget=!1,e.plane.material=e.material,e.material.map=e.renderTarget.texture,e.material.map.offset.y=1,e.material.map.repeat.y=-1,delete e.xrlayer;this.isPresenting=!1,this._useMultiview=!1,t._animation.stop(),t._animation.setAnimationLoop(this._currentAnimationLoop),t._animation.setContext(this._currentAnimationContext),t._animation.start(),t.setPixelRatio(this._currentPixelRatio),t.setSize(this._currentSize.width,this._currentSize.height,!1),this.dispatchEvent({type:"sessionend"})}function yR(e){const t=this._controllers,r=this._controllerInputSources;for(let s=0;s<e.removed.length;s++){const i=e.removed[s],n=r.indexOf(i);n>=0&&(r[n]=null,t[n].disconnect(i))}for(let s=0;s<e.added.length;s++){const i=e.added[s];let n=r.indexOf(i);if(-1===n){for(let e=0;e<t.length;e++){if(e>=r.length){r.push(i),n=e;break}if(null===r[e]){r[e]=i,n=e;break}}if(-1===n)break}const a=t[n];a&&a.connect(i)}}function bR(e){return"quad"===e.type?this._glBinding.createQuadLayer({transform:new XRRigidTransform(e.translation,e.quaternion),width:e.width/2,height:e.height/2,space:this._referenceSpace,viewPixelWidth:e.pixelwidth,viewPixelHeight:e.pixelheight,clearOnAccess:!1}):this._glBinding.createCylinderLayer({transform:new XRRigidTransform(e.translation,e.quaternion),radius:e.radius,centralAngle:e.centralAngle,aspectRatio:e.aspectRatio,space:this._referenceSpace,viewPixelWidth:e.pixelwidth,viewPixelHeight:e.pixelheight,clearOnAccess:!1})}function xR(e,t){if(void 0===t)return;const r=this._cameraXR,i=this._renderer,n=i.backend,a=this._glBaseLayer,o=this.getReferenceSpace(),u=t.getViewerPose(o);if(this._xrFrame=t,null!==u){const e=u.views,t=this._isWebGPUSession()?this._getWebGPUViewData(e):null;null!==this._glBaseLayer&&null===t&&n.setXRTarget(a.framebuffer);let o=!1;e.length!==r.cameras.length&&(r.cameras.length=0,o=!0);for(let i=0;i<e.length;i++){const u=e[i];let l;if(null!==t)l=t.viewports[i];else if(!0===this._supportsLayers){const e=this._glBinding.getViewSubImage(this._glProjLayer,u);l=e.viewport,0===i&&n.setXRRenderTargetTextures(this._xrRenderTarget,e.colorTexture,this._glProjLayer.ignoreDepthValues&&!this._useMultiview?void 0:e.depthStencilTexture)}else l=a.getViewport(u);let d=this._cameras[i];void 0===d&&(d=new Se,d.layers.enable(i),d.viewport=new s,d.matrixWorldAutoUpdate=!1,this._cameras[i]=d),d.matrix.fromArray(u.transform.matrix),d.matrix.decompose(d.position,d.quaternion,d.scale),d.projectionMatrix.fromArray(u.projectionMatrix),d.projectionMatrixInverse.copy(d.projectionMatrix).invert(),d.viewport.set(l.x,l.y,l.width,l.height),0===i&&(r.matrix.copy(d.matrix),r.matrix.decompose(r.position,r.quaternion,r.scale)),!0===o&&r.cameras.push(d)}null!==t&&null!==t.colorTexture&&n.setXRRenderTargetTextures(this._xrRenderTarget,t.colorTexture,t.viewDescriptors),i.setOutputRenderTarget(this._xrRenderTarget);const l=i._getFrameBufferTarget();i.xr.foveateBoundTexture(l)}for(let e=0;e<this._controllers.length;e++){const r=this._controllerInputSources[e],s=this._controllers[e];null!==r&&void 0!==s&&s.update(r,t,o)}this._currentAnimationLoop&&this._currentAnimationLoop(e,t),t.detectedPlanes&&this.dispatchEvent({type:"planesdetected",data:t}),this._xrFrame=null}class TR extends u{constructor(e){super(),this.domElement=e,this._pixelRatio=1,this._width=this.domElement.width,this._height=this.domElement.height,this._viewport=new s(0,0,this._width,this._height),this._scissor=new s(0,0,this._width,this._height),this._scissorTest=!1,this.colorTexture=new K,this.depthTexture=new Z}getPixelRatio(){return this._pixelRatio}getDrawingBufferSize(e){return e.set(this._width*this._pixelRatio,this._height*this._pixelRatio).floor()}getSize(e){return e.set(this._width,this._height)}setPixelRatio(e=1){this._pixelRatio!==e&&(this._pixelRatio=e,this.setSize(this._width,this._height,!1))}setDrawingBufferSize(e,t,r){this.xr&&this.xr.isPresenting||(this._width=e,this._height=t,this._pixelRatio=r,this.domElement.width=Math.floor(e*r),this.domElement.height=Math.floor(t*r),this.setViewport(0,0,e,t),this._dispatchResize())}setSize(e,t,r=!0){this.xr&&this.xr.isPresenting||(this._width=e,this._height=t,this.domElement.width=Math.floor(e*this._pixelRatio),this.domElement.height=Math.floor(t*this._pixelRatio),!0===r&&(this.domElement.style.width=e+"px",this.domElement.style.height=t+"px"),this.setViewport(0,0,e,t),this._dispatchResize())}getScissor(e){const t=this._scissor;return e.x=t.x,e.y=t.y,e.width=t.width,e.height=t.height,e}setScissor(e,t,r,s){const i=this._scissor;e.isVector4?i.copy(e):i.set(e,t,r,s)}getScissorTest(){return this._scissorTest}setScissorTest(e){this._scissorTest=e}getViewport(e){return e.copy(this._viewport)}setViewport(e,t,r,s,i=0,n=1){const a=this._viewport;e.isVector4?a.copy(e):a.set(e,t,r,s),a.minDepth=i,a.maxDepth=n}_dispatchResize(){this.dispatchEvent({type:"resize"})}dispose(){this.dispatchEvent({type:"dispose"})}}const _R=new ue,vR=new t,NR=new s,SR=new Lt,RR=new Bt,ER=new a,wR=new s,AR={[St]:F,[F]:St,[P]:P};class CR{constructor(e,t={}){this.isRenderer=!0;const{logarithmicDepthBuffer:r=!1,reversedDepthBuffer:s=!1,alpha:i=!0,depth:n=!0,stencil:a=!1,antialias:o=!1,samples:u=0,getFallback:l=null,outputBufferType:d=Te,multiview:c=!1}=t;this.backend=e,this.autoClear=!0,this.autoClearColor=!0,this.autoClearDepth=!0,this.autoClearStencil=!0,this.alpha=i,this.logarithmicDepthBuffer=r,this.reversedDepthBuffer=s,this.outputColorSpace=ie,this.toneMapping=m,this.toneMappingExposure=1,this.sortObjects=!0,this.depth=n,this.stencil=a,this.info=new sb,this.contextNode=Lu(),this.library=new nR,this.lighting=new uR,this._samples=u||!0===o?4:0,this._onCanvasTargetResize=this._onCanvasTargetResize.bind(this),this._canvasTarget=new TR(e.getDomElement()),this._canvasTarget.addEventListener("resize",this._onCanvasTargetResize),this._canvasTarget.isDefaultCanvasTarget=!0,this._inspector=new kl,this._inspector.setRenderer(this),this._getFallback=l,this._attributes=null,this._geometries=null,this._nodes=null,this._animation=null,this._bindings=null,this._objects=null,this._pipelines=null,this._bundles=null,this._renderLists=null,this._renderContexts=null,this._textures=null,this._background=null,this._quadCache=new Map,this._currentRenderContext=null,this._opaqueSort=null,this._transparentSort=null,this._frameBufferTargets=new Map;const h=!0===this.alpha?0:1;this._clearColor=new Sb(0,0,0,h),this._clearDepth=1,this._clearStencil=0,this._renderTarget=null,this._activeCubeFace=0,this._activeMipmapLevel=0,this._outputRenderTarget=null,this._mrt=null,this._renderObjectFunction=null,this._currentRenderObjectFunction=null,this._currentRenderBundle=null,this._handleObjectFunction=this._renderObjectDirect,this._isDeviceLost=!1,this.onDeviceLost=this._onDeviceLost,this.onError=this._onError,this._outputBufferType=d,this._cacheShadowNodes=new WeakMap,this._initialized=!1,this._callDepth=-1,this._initPromise=null,this._compilationPromises=null,this._currentSourceMaterial=null,this.transparent=!0,this.opaque=!0,this.shadowMap={enabled:!1,transmitted:!1,type:ct},this.xr=new pR(this,c),this.debug={checkShaderErrors:!0,onShaderError:null,getShaderAsync:async(e,t,r)=>{await this.compileAsync(r,t,e);const s=this.needsFrameBufferTarget&&null===this._renderTarget?this._getFrameBufferTarget():this._renderTarget||this._outputRenderTarget,i=this._renderLists.get(e,t),n=this._renderContexts.get(s,this._mrt),a=e.overrideMaterial||r.material,o=this._objects.get(r,a,e,t,i.lightsNode,n,n.clippingContext),{fragmentShader:u,vertexShader:l}=o.getNodeBuilderState();return{fragmentShader:u,vertexShader:l}}}}async init(){return null!==this._initPromise||(this._initPromise=new Promise(async(e,t)=>{let r=this.backend;try{await r.init(this)}catch(e){if(null===this._getFallback)return void t(e);try{this.backend=r=this._getFallback(e),await r.init(this)}catch(e){return void t(e)}}this._nodes=new JS(this,r),this._animation=new ky(this,this._nodes,this.info),this._attributes=new Zy(r,this.info),this._background=new jN(this,this._nodes),this._geometries=new rb(this._attributes,this.info),this._textures=new Nb(this,r,this.info),this._pipelines=new lb(r,this._nodes,this.info),this._bindings=new db(r,this._nodes,this._textures,this._attributes,this._pipelines,this.info),this._objects=new Hy(this,this._nodes,this._geometries,this._pipelines,this._bindings,this.info),this._renderLists=new yb(this.lighting),this._bundles=new iR,this._renderContexts=new _b(this),this._animation.start(),this._initialized=!0,this._inspector.init(),e(this)})),this._initPromise}get domElement(){return this._canvasTarget.domElement}get coordinateSystem(){return this.backend.coordinateSystem}async compileAsync(e,t,r=null){if(!0===this._isDeviceLost)return;!1===this._initialized&&await this.init();const s=this._nodes.nodeFrame,i=s.renderId,n=this._currentRenderContext,a=this._currentRenderObjectFunction,o=this._handleObjectFunction,u=this._compilationPromises;null===r&&(r=e);const l=!0===e.isScene?e:!0===r.isScene?r:_R,d=this.needsFrameBufferTarget&&null===this._renderTarget?this._getFrameBufferTarget():this._renderTarget||this._outputRenderTarget,c=this._renderContexts.get(d,this._mrt),h=this._activeMipmapLevel,p=[];this._currentRenderContext=c,this._currentRenderObjectFunction=this.renderObject,this._handleObjectFunction=this._createObjectPipeline,this._compilationPromises=p,s.renderId++,s.update(),c.depth=this.depth,c.stencil=this.stencil,c.clippingContext||(c.clippingContext=new tR),c.clippingContext.updateGlobal(l,t),!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),t=this._updateCamera(t),l.onBeforeRender(this,e,t,d);const g=t.isArrayCamera?RR:SR;t.isArrayCamera||(ER.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),g.setFromProjectionMatrix(ER,t.coordinateSystem,t.reversedDepth));const m=this._renderLists.get(l,t);if(m.begin(),this._projectObject(e,t,0,m,c.clippingContext),r!==e&&r.traverseVisible(function(e){e.isLight&&e.layers.test(t.layers)&&m.pushLight(e)}),m.finish(),null!==d){this._textures.updateRenderTarget(d,h);const e=this._textures.get(d);c.textures=e.textures,c.depthTexture=e.depthTexture}else c.textures=null,c.depthTexture=null;r!==e?this._background.update(r,m,c):this._background.update(l,m,c);const f=m.opaque,y=m.transparent,b=m.transparentDoublePass,x=m.lightsNode;!0===this.opaque&&f.length>0&&this._renderObjects(f,t,l,x),!0===this.transparent&&y.length>0&&this._renderTransparents(y,b,t,l,x),s.renderId=i,this._currentRenderContext=n,this._currentRenderObjectFunction=a,this._handleObjectFunction=o,this._compilationPromises=u;for(const e of p){const t=this._objects.get(e.object,e.material,e.scene,e.camera,e.lightsNode,e.renderContext,e.clippingContext,e.passId);t.drawRange=e.object.geometry.drawRange,t.group=e.group,this._geometries.updateForRender(t),await this._nodes.getForRenderAsync(t),this._nodes.updateBefore(t),this._nodes.updateForRender(t),this._bindings.updateForRender(t);const r=[];this._pipelines.getForRender(t,r),r.length>0&&await Promise.all(r),this._nodes.updateAfter(t),await Tt()}}async renderAsync(e,t){v('Renderer: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.render(e,t)}async waitForGPU(){o("Renderer: waitForGPU() has been removed. Read https://github.com/mrdoob/three.js/issues/32012 for more information.")}set inspector(e){null!==this._inspector&&this._inspector.setRenderer(null),this._inspector=e,this._inspector.setRenderer(this)}get inspector(){return this._inspector}set highPrecision(e){const t=this.contextNode.value;!0===e?(t.modelViewMatrix=dc,t.modelNormalViewMatrix=cc):this.highPrecision&&(delete t.modelViewMatrix,delete t.modelNormalViewMatrix)}get highPrecision(){const e=this.contextNode.value;return e.modelViewMatrix===dc&&e.modelNormalViewMatrix===cc}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}getOutputBufferType(){return this._outputBufferType}getColorBufferType(){return v('Renderer: ".getColorBufferType()" has been renamed to ".getOutputBufferType()".'),this.getOutputBufferType()}_onDeviceLost(e){let t=`THREE.WebGPURenderer: ${e.api} Device Lost:\n\nMessage: ${e.message}`;e.reason&&(t+=`\nReason: ${e.reason}`),o(t),this._isDeviceLost=!0}_onError(e){let t=`WebGPURenderer: Uncaptured ${e.api} ${e.type}`;e.message&&(t+=`: ${e.message}`),o(t)}_renderBundle(e,t,r){const{bundleGroup:s,camera:i,renderList:n}=e,a=this._currentRenderContext,o=this._bundles.get(s,i,a),u=this.backend.get(o),l=s.version!==u.version;if(l||void 0===u.bundleGPU){this.backend.beginBundle(a),(void 0===u.renderObjects||l)&&(u.renderObjects=[]),this._currentRenderBundle=o;const{transparentDoublePass:e,transparent:d,opaque:c}=n;!0===this.opaque&&c.length>0&&this._renderObjects(c,i,t,r),!0===this.transparent&&d.length>0&&this._renderTransparents(d,e,i,t,r),this._currentRenderBundle=null,this.backend.finishBundle(a,o),u.version=s.version}else{const{renderObjects:e}=u;for(let t=0,r=e.length;t<r;t++){const r=e[t];this._nodes.needsRefresh(r)&&(this._nodes.updateBefore(r),this._nodes.updateForRender(r),this._bindings.updateForRender(r),this._nodes.updateAfter(r))}}this.backend.addBundle(a,o)}render(e,t){if(!1===this._initialized)throw new Error('THREE.Renderer: .render() called before the backend is initialized. Use "await renderer.init();" before rendering.');this._renderScene(e,t)}get initialized(){return this._initialized}_renderOutputLayers(e,t){if(!0!==t.texture.isArrayTexture||t.texture.image.depth<=1)return void this._renderScene(e,e.camera,!1);const r=this._activeCubeFace;try{for(let r=0;r<t.texture.image.depth;r++)this._nodes.setOutputLayerIndex(r),this._activeCubeFace=r,this._renderScene(e,e.camera,!1)}finally{this._nodes.setOutputLayerIndex(0),this._activeCubeFace=r}}_getFrameBufferTarget(){const{currentToneMapping:e,currentColorSpace:t}=this,r=e!==m,s=t!==p.workingColorSpace;if(!1===r&&!1===s)return null;const{width:i,height:n}=this.getDrawingBufferSize(vR),{depth:a,stencil:o}=this,u=this._outputRenderTarget||this._canvasTarget;let l=this._frameBufferTargets.get(u);if(void 0===l){l=new ne(i,n,{depthBuffer:a,stencilBuffer:o,type:this._outputBufferType,format:Ee,colorSpace:p.workingColorSpace,generateMipmaps:!1,minFilter:le,magFilter:le,samples:this.samples}),l.isPostProcessingRenderTarget=!0;const e=()=>{u.removeEventListener("dispose",e),l.dispose(),this._frameBufferTargets.delete(u)};u.addEventListener("dispose",e),this._frameBufferTargets.set(u,l)}const d=this.getOutputRenderTarget();l.depthBuffer=a,l.stencilBuffer=o,null!==d?l.setSize(d.width,d.height,d.depth):l.setSize(i,n,1);const c=this._outputRenderTarget?this._outputRenderTarget.viewport:u._viewport,h=this._outputRenderTarget?this._outputRenderTarget.scissor:u._scissor,g=this._outputRenderTarget?1:u._pixelRatio,f=this._outputRenderTarget?this._outputRenderTarget.scissorTest:u._scissorTest;return l.viewport.copy(c),l.scissor.copy(h),l.viewport.multiplyScalar(g),l.scissor.multiplyScalar(g),l.scissorTest=f,l.multiview=null!==d&&d.multiview,l.useArrayDepthTexture=null!==d&&d.useArrayDepthTexture,l.resolveDepthBuffer=null===d||d.resolveDepthBuffer,l._autoAllocateDepthBuffer=null!==d&&d._autoAllocateDepthBuffer,l}_renderScene(e,t,r=!0){if(!0===this._isDeviceLost)return;const s=r?this._getFrameBufferTarget():null,i=this._nodes.nodeFrame,n=i.renderId,a=this._currentRenderContext,o=this._currentRenderObjectFunction,u=this._handleObjectFunction;this._callDepth++;const l=!0===e.isScene?e:_R,d=this._renderTarget||this._outputRenderTarget,c=this._activeCubeFace,h=this._activeMipmapLevel;let p;if(null!==s?(p=s,this.setRenderTarget(p)):p=d,null!==p&&!0===p.depthBuffer){const e=this._textures.get(p);!0!==e.depthInitialized&&((!1===this.autoClear||!0===this.autoClear&&!1===this.autoClearDepth)&&this.clearDepth(),e.depthInitialized=!0)}const g=this._renderContexts.get(p,this._mrt,this._callDepth);this._currentRenderContext=g,this._currentRenderObjectFunction=this._renderObjectFunction||this.renderObject,this._handleObjectFunction=this._renderObjectDirect,this.info.calls++,this.info.render.calls++,this.info.render.frameCalls++,i.renderId=this.info.calls,this.backend.updateTimeStampUID(g),this.inspector.beginRender(this.backend.getTimestampUID(g),e,t,p),!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),t=this._updateCamera(t);const m=this._canvasTarget;let f=m._viewport,y=m._scissor,b=m._pixelRatio;null!==p&&(f=p.viewport,y=p.scissor,b=1),this.getDrawingBufferSize(vR),NR.set(0,0,vR.width,vR.height);const x=void 0===f.minDepth?0:f.minDepth,T=void 0===f.maxDepth?1:f.maxDepth;g.viewportValue.copy(f).multiplyScalar(b).floor(),g.viewportValue.width>>=h,g.viewportValue.height>>=h,g.viewportValue.minDepth=x,g.viewportValue.maxDepth=T,g.viewport=!1===g.viewportValue.equals(NR),g.scissorValue.copy(y).multiplyScalar(b).floor(),g.scissor=m._scissorTest&&!1===g.scissorValue.equals(NR),g.scissorValue.width>>=h,g.scissorValue.height>>=h,g.clippingContext||(g.clippingContext=new tR),g.clippingContext.updateGlobal(l,t),l.onBeforeRender(this,e,t,p);const _=t.isArrayCamera?RR:SR;t.isArrayCamera||(ER.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),_.setFromProjectionMatrix(ER,t.coordinateSystem,t.reversedDepth));const v=this._renderLists.get(e,t);if(v.begin(),this._projectObject(e,t,0,v,g.clippingContext),v.finish(),!0===this.sortObjects&&v.sort(this._opaqueSort,this._transparentSort,t.reversedDepth),null!==p){this._textures.updateRenderTarget(p,h);const e=this._textures.get(p);g.textures=e.textures,g.depthTexture=e.depthTexture,g.width=e.width,g.height=e.height,g.renderTarget=p,g.depth=p.depthBuffer,g.stencil=p.stencilBuffer}else g.textures=null,g.depthTexture=null,g.width=vR.width,g.height=vR.height,g.depth=this.depth,g.stencil=this.stencil;g.width>>=h,g.height>>=h,g.activeCubeFace=c,g.activeMipmapLevel=h,g.occlusionQueryCount=v.occlusionQueryCount,g.scissorValue.max(wR.set(0,0,0,0)),g.scissorValue.x+g.scissorValue.width>g.width&&(g.scissorValue.width=Math.max(g.width-g.scissorValue.x,0)),g.scissorValue.y+g.scissorValue.height>g.height&&(g.scissorValue.height=Math.max(g.height-g.scissorValue.y,0)),this._background.update(l,v,g),g.camera=t,this.backend.beginRender(g);const{bundles:N,lightsNode:S,transparentDoublePass:R,transparent:E,opaque:w}=v;return N.length>0&&this._renderBundles(N,l,S),!0===this.opaque&&w.length>0&&this._renderObjects(w,t,l,S),!0===this.transparent&&E.length>0&&this._renderTransparents(E,R,t,l,S),this.backend.finishRender(g),i.renderId=n,this._currentRenderContext=a,this._currentRenderObjectFunction=o,this._handleObjectFunction=u,this._callDepth--,null!==s&&(this.setRenderTarget(d,c,h),this._renderOutput(p)),l.onAfterRender(this,e,t,p),this.inspector.finishRender(this.backend.getTimestampUID(g)),g}_setXRLayerSize(e,t){this._canvasTarget._width=e,this._canvasTarget._height=t,this.setViewport(0,0,e,t)}_renderOutput(e){const t=this._nodes.getOutputCacheKey();let r,s=this._quadCache.get(e.texture);if(void 0===s){r=new Dx(new Ug),r.name="Output Color Transform",r.material.name="outputColorTransform",r.material.fragmentNode=this._nodes.getOutputNode(e.texture),s={quad:r,cacheKey:t},this._quadCache.set(e.texture,s);const i=()=>{r.material.dispose(),this._quadCache.delete(e.texture),e.texture.removeEventListener("dispose",i)};e.texture.addEventListener("dispose",i)}else r=s.quad,s.cacheKey!==t&&(r.material.fragmentNode=this._nodes.getOutputNode(e.texture),r.material.needsUpdate=!0,s.cacheKey=t);const i=this.autoClear,n=this.xr.enabled;this.autoClear=!1,this.xr.enabled=!1,this._renderOutputLayers(r,e),this.autoClear=i,this.xr.enabled=n}getMaxAnisotropy(){return this.backend.capabilities.getMaxAnisotropy()}getActiveCubeFace(){return this._activeCubeFace}getActiveMipmapLevel(){return this._activeMipmapLevel}async setAnimationLoop(e){!1===this._initialized&&await this.init(),this._animation.setAnimationLoop(e)}getAnimationLoop(){return this._animation.getAnimationLoop()}async getArrayBufferAsync(e,t=null,r=0,s=-1){if(null!==t&&t.isReadbackBuffer&&!1===this.info.memoryMap.has(t)){this.info.createReadbackBuffer(t);const e=()=>{t.removeEventListener("dispose",e),this.info.destroyReadbackBuffer(t)};t.addEventListener("dispose",e)}if(r%4!=0||s>0&&s%4!=0)throw new Error('THREE.Renderer: "getArrayBufferAsync()" offset and count must be a multiple of 4.');return await this.backend.getArrayBufferAsync(e,t,r,s)}getContext(){return this.backend.getContext()}getPixelRatio(){return this._canvasTarget.getPixelRatio()}getDrawingBufferSize(e){return this._canvasTarget.getDrawingBufferSize(e)}getSize(e){return this._canvasTarget.getSize(e)}setPixelRatio(e=1){this._canvasTarget.setPixelRatio(e)}setDrawingBufferSize(e,t,r){this.xr&&this.xr.isPresenting||this._canvasTarget.setDrawingBufferSize(e,t,r)}setSize(e,t,r=!0){this.xr&&this.xr.isPresenting||this._canvasTarget.setSize(e,t,r)}setOpaqueSort(e){this._opaqueSort=e}setTransparentSort(e){this._transparentSort=e}getScissor(e){return this._canvasTarget.getScissor(e)}setScissor(e,t,r,s){this._canvasTarget.setScissor(e,t,r,s)}getScissorTest(){return this._canvasTarget.getScissorTest()}setScissorTest(e){this._canvasTarget.setScissorTest(e),this.backend.setScissorTest(e)}getViewport(e){return this._canvasTarget.getViewport(e)}setViewport(e,t,r,s,i=0,n=1){this._canvasTarget.setViewport(e,t,r,s,i,n)}getClearColor(e){return e.copy(this._clearColor)}setClearColor(e,t=1){this._clearColor.set(e),this._clearColor.a=t}getClearAlpha(){return this._clearColor.a}setClearAlpha(e){this._clearColor.a=e}getClearDepth(){return!0===this.reversedDepthBuffer?1-this._clearDepth:this._clearDepth}setClearDepth(e){this._clearDepth=e}getClearStencil(){return this._clearStencil}setClearStencil(e){this._clearStencil=e}isOccluded(e){const t=this._currentRenderContext;return t&&this.backend.isOccluded(t,e)}clear(e=!0,t=!0,r=!0){if(!1===this._initialized)throw new Error('THREE.Renderer: .clear() called before the backend is initialized. Use "await renderer.init();" before using this method.');const s=this._renderTarget||this._getFrameBufferTarget();let i=null;if(null!==s){this._textures.updateRenderTarget(s);const e=this._textures.get(s);i=this._renderContexts.get(s,null,-1),i.textures=e.textures,i.depthTexture=e.depthTexture,i.width=e.width,i.height=e.height,i.renderTarget=s,i.depth=s.depthBuffer,i.stencil=s.stencilBuffer;const t=this.backend.getClearColor();i.clearColorValue.r=t.r,i.clearColorValue.g=t.g,i.clearColorValue.b=t.b,i.clearColorValue.a=t.a,i.clearDepthValue=this.getClearDepth(),i.clearStencilValue=this.getClearStencil(),i.activeCubeFace=this.getActiveCubeFace(),i.activeMipmapLevel=this.getActiveMipmapLevel(),!0===s.depthBuffer&&(e.depthInitialized=!0)}this.backend.clear(e,t,r,i),null!==s&&null===this._renderTarget&&this._renderOutput(s)}clearColor(){this.clear(!0,!1,!1)}clearDepth(){this.clear(!1,!0,!1)}clearStencil(){this.clear(!1,!1,!0)}async clearAsync(e=!0,t=!0,r=!0){v('Renderer: "clearAsync()" has been deprecated. Use "clear()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.clear(e,t,r)}async clearColorAsync(){v('Renderer: "clearColorAsync()" has been deprecated. Use "clearColor()" and "await renderer.init();" when creating the renderer.'),this.clear(!0,!1,!1)}async clearDepthAsync(){v('Renderer: "clearDepthAsync()" has been deprecated. Use "clearDepth()" and "await renderer.init();" when creating the renderer.'),this.clear(!1,!0,!1)}async clearStencilAsync(){v('Renderer: "clearStencilAsync()" has been deprecated. Use "clearStencil()" and "await renderer.init();" when creating the renderer.'),this.clear(!1,!1,!0)}get needsFrameBufferTarget(){const e=this.currentToneMapping!==m,t=this.currentColorSpace!==p.workingColorSpace;return e||t}get samples(){return this._samples}get currentSamples(){let e=this._samples;return null!==this._renderTarget?e=this._renderTarget.samples:this.needsFrameBufferTarget&&(e=0),e}get currentToneMapping(){return this.isOutputTarget?this.toneMapping:m}get currentColorSpace(){return this.isOutputTarget?this.outputColorSpace:p.workingColorSpace}get isOutputTarget(){return this._renderTarget===this._outputRenderTarget||null===this._renderTarget}dispose(){if(!0===this._initialized){this.info.dispose(),this.backend.dispose(),this._animation.dispose(),this._objects.dispose(),this._geometries.dispose(),this._pipelines.dispose(),this._nodes.dispose(),this._bindings.dispose(),this._renderLists.dispose(),this._renderContexts.dispose(),this._textures.dispose();for(const e of this._frameBufferTargets.keys())e.dispose();Object.values(this.backend.timestampQueryPool).forEach(e=>{null!==e&&e.dispose()})}this.setRenderTarget(null),this.setAnimationLoop(null)}setRenderTarget(e,t=0,r=0){this._renderTarget=e,this._activeCubeFace=t,this._activeMipmapLevel=r}getRenderTarget(){return this._renderTarget}setOutputRenderTarget(e){this._outputRenderTarget=e}getOutputRenderTarget(){return this._outputRenderTarget}setCanvasTarget(e){this._canvasTarget.removeEventListener("resize",this._onCanvasTargetResize),this._canvasTarget=e,this._canvasTarget.addEventListener("resize",this._onCanvasTargetResize)}getCanvasTarget(){return this._canvasTarget}_resetXRState(){this.backend.setXRTarget(null),this.setOutputRenderTarget(null),this.setRenderTarget(null);for(const e of this._frameBufferTargets.keys())e.dispose()}setRenderObjectFunction(e){this._renderObjectFunction=e}getRenderObjectFunction(){return this._renderObjectFunction}compute(e,t=null){if(!0===this._isDeviceLost)return;if(!1===this._initialized)return d("Renderer: .compute() called before the backend is initialized. Try using .computeAsync() instead."),this.computeAsync(e,t);const r=this._nodes.nodeFrame,s=r.renderId;this.info.calls++,this.info.compute.calls++,this.info.compute.frameCalls++,r.renderId=this.info.calls,this.backend.updateTimeStampUID(e),this.inspector.beginCompute(this.backend.getTimestampUID(e),e);const i=this.backend,n=this._pipelines,a=this._bindings,o=this._nodes,u=Array.isArray(e)?e:[e];if(void 0===u[0]||!0!==u[0].isComputeNode)throw new Error("THREE.Renderer: .compute() expects a ComputeNode.");i.beginCompute(e);for(const r of u){if(!1===n.has(r)){const e=()=>{r.removeEventListener("dispose",e),n.delete(r),a.deleteForCompute(r),o.delete(r)};r.addEventListener("dispose",e);const t=r.onInitFunction;null!==t&&t.call(r,{renderer:this})}o.updateForCompute(r),a.updateForCompute(r);const s=a.getForCompute(r),u=n.getForCompute(r,s);i.compute(e,r,s,u,t)}i.finishCompute(e),r.renderId=s,this.inspector.finishCompute(this.backend.getTimestampUID(e))}async computeAsync(e,t=null){!1===this._initialized&&await this.init(),this.compute(e,t)}async hasFeatureAsync(e){return v('Renderer: "hasFeatureAsync()" has been deprecated. Use "hasFeature()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.hasFeature(e)}async resolveTimestampsAsync(e="render"){return!1===this._initialized&&await this.init(),this.backend.resolveTimestampsAsync(e)}hasFeature(e){if(!1===this._initialized)throw new Error('THREE.Renderer: .hasFeature() called before the backend is initialized. Use "await renderer.init();" before using this method.');return this.backend.hasFeature(e)}hasInitialized(){return this._initialized}async initTextureAsync(e){v('Renderer: "initTextureAsync()" has been deprecated. Use "initTexture()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.initTexture(e)}initTexture(e){if(!1===this._initialized)throw new Error('THREE.Renderer: .initTexture() called before the backend is initialized. Use "await renderer.init();" before using this method.');this._textures.updateTexture(e)}initRenderTarget(e){if(!1===this._initialized)throw new Error('THREE.Renderer: .initRenderTarget() called before the backend is initialized. Use "await renderer.init();" before using this method.');this._textures.updateRenderTarget(e);const t=this._textures.get(e),r=this._renderContexts.get(e);r.textures=t.textures,r.depthTexture=t.depthTexture,r.width=t.width,r.height=t.height,r.renderTarget=e,r.depth=e.depthBuffer,r.stencil=e.stencilBuffer,this.backend.initRenderTarget(r)}copyFramebufferToTexture(e,t=null){if(null!==t)if(t.isVector2)t=wR.set(t.x,t.y,e.image.width,e.image.height).floor();else{if(!t.isVector4)return void o("Renderer.copyFramebufferToTexture: Invalid rectangle.");t=wR.copy(t).floor()}else t=wR.set(0,0,e.image.width,e.image.height);let r,s=this._currentRenderContext;null!==s?r=s.renderTarget:(r=this._renderTarget||this._getFrameBufferTarget(),null!==r&&(this._textures.updateRenderTarget(r),s=this._textures.get(r))),this._textures.updateTexture(e,{renderTarget:r}),this.backend.copyFramebufferToTexture(e,s,t),this._inspector.copyFramebufferToTexture(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){this._textures.updateTexture(e),this._textures.updateTexture(t),this.backend.copyTextureToTexture(e,t,r,s,i,n),this._inspector.copyTextureToTexture(e,t)}async readRenderTargetPixelsAsync(e,t,r,s,i,n=0,a=0){return this.backend.copyTextureToBuffer(e.textures[n],t,r,s,i,a)}_projectObject(e,t,r,s,i){if(!1===e.visible)return;if(e.layers.test(t.layers))if(e.isGroup)r=e.renderOrder,e.isClippingGroup&&e.enabled&&(i=i.getGroupContext(e));else if(e.isLOD)!0===e.autoUpdate&&e.update(t);else if(e.isLight)s.pushLight(e);else if(e.isSprite){const n=t.isArrayCamera?RR:SR;if(!e.frustumCulled||n.intersectsSprite(e,t)){!0===this.sortObjects&&wR.setFromMatrixPosition(e.matrixWorld).applyMatrix4(ER);const{geometry:t,material:n}=e;n.visible&&s.push(e,t,n,r,wR.z,null,i)}}else if(e.isLineLoop)o("Renderer: Objects of type THREE.LineLoop are not supported. Please use THREE.Line or THREE.LineSegments.");else if(e.isMesh||e.isLine||e.isPoints){const n=t.isArrayCamera?RR:SR;if(!e.frustumCulled||n.intersectsObject(e,t)){const{geometry:t,material:n}=e;if(!0===this.sortObjects&&(null===t.boundingSphere&&t.computeBoundingSphere(),wR.copy(t.boundingSphere.center).applyMatrix4(e.matrixWorld).applyMatrix4(ER)),Array.isArray(n)){const a=t.groups;for(let o=0,u=a.length;o<u;o++){const u=a[o],l=n[u.materialIndex];l&&l.visible&&s.push(e,t,l,r,wR.z,u,i)}}else n.visible&&s.push(e,t,n,r,wR.z,null,i)}}if(!0===e.isBundleGroup&&void 0!==this.backend.beginBundle){const r=s;(s=this._renderLists.get(e,t)).begin(),r.pushBundle({bundleGroup:e,camera:t,renderList:s}),s.finish()}const n=e.children;for(let e=0,a=n.length;e<a;e++)this._projectObject(n[e],t,r,s,i)}_renderBundles(e,t,r){for(const s of e)this._renderBundle(s,t,r)}_renderTransparents(e,t,r,s,i){if(t.length>0){for(const{material:e}of t)e.side=F;this._renderObjects(t,r,s,i,"backSide");for(const{material:e}of t)e.side=St;this._renderObjects(e,r,s,i);for(const{material:e}of t)e.side=P}else this._renderObjects(e,r,s,i)}_renderObjects(e,t,r,s,i=null){for(let n=0,a=e.length;n<a;n++){const{object:a,geometry:o,material:u,group:l,clippingContext:d}=e[n];this._currentRenderObjectFunction(a,r,t,o,u,l,s,d,i)}}_getShadowNodes(e){const t=e.version;let r=this._cacheShadowNodes.get(e);if(void 0===r||r.version!==t){const s=null!==e.map,i=e.colorNode&&e.colorNode.isNode,n=e.castShadowNode&&e.castShadowNode.isNode,a=e.maskShadowNode&&e.maskShadowNode.isNode||e.maskNode&&e.maskNode.isNode;let o=null,u=null,l=null;if(s||i||n||a){let t,r;if(n?(t=e.castShadowNode.rgb,r=e.castShadowNode.a,!0!==this.shadowMap.transmitted&&v("Renderer: `shadowMap.transmitted` needs to be set to `true` when using `material.castShadowNode`.")):(t=An(0),r=Tn(1)),s&&(r=r.mul(Qc("map","texture",e).a)),i&&(r=r.mul(e.colorNode.a)),u=Ln(t,r),a){const t=e.maskShadowNode||e.maskNode;u=gn(([e])=>(t.not().discard(),e))(u)}}e.depthNode&&e.depthNode.isNode&&(l=e.depthNode),e.castShadowPositionNode&&e.castShadowPositionNode.isNode?o=e.castShadowPositionNode:e.positionNode&&e.positionNode.isNode&&(o=e.positionNode),r={version:t,colorNode:u,depthNode:l,positionNode:o},this._cacheShadowNodes.set(e,r)}return r}_updateCamera(e){const t=this.xr;if(!1===t.isPresenting){let t=!1;if(!0===this.reversedDepthBuffer&&!0!==e.reversedDepth){if(e._reversedDepth=!0,e.isArrayCamera)for(const t of e.cameras)t._reversedDepth=!0;t=!0}const r=this.coordinateSystem;if(e.coordinateSystem!==r){if(e.coordinateSystem=r,e.isArrayCamera)for(const t of e.cameras)t.coordinateSystem=r;t=!0}if(!0===t&&(e.updateProjectionMatrix(),e.isArrayCamera))for(const t of e.cameras)t.updateProjectionMatrix()}return null===e.parent&&!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),!0===t.enabled&&!0===t.isPresenting&&(!0===t.cameraAutoUpdate&&t.updateCamera(e),e=t.getCamera()),e}renderObject(e,t,r,s,i,n,a,o=null,u=null){let l,d,c,h,p=!1;const g=this._currentSourceMaterial;if(e.onBeforeRender(this,t,r,s,i,n),!0===i.allowOverride&&null!==t.overrideMaterial){this._currentSourceMaterial=i;const e=t.overrideMaterial;if(p=!0,l=e.isNodeMaterial?e.colorNode:null,d=e.isNodeMaterial?e.depthNode:null,c=e.isNodeMaterial?e.positionNode:null,h=t.overrideMaterial.side,i.positionNode&&i.positionNode.isNode&&(e.positionNode=i.positionNode),e.alphaTest=i.alphaTest,e.alphaMap=i.alphaMap,e.transparent=i.transparent||i.transmission>0||i.transmissionNode&&i.transmissionNode.isNode||i.backdropNode&&i.backdropNode.isNode,e.isShadowPassMaterial){const{colorNode:t,depthNode:r,positionNode:s}=this._getShadowNodes(i);this.shadowMap.type===pt?e.side=null!==i.shadowSide?i.shadowSide:i.side:e.side=null!==i.shadowSide?i.shadowSide:AR[i.side],null!==t&&(e.colorNode=t),null!==r&&(e.depthNode=r),null!==s&&(e.positionNode=s)}i=e}!0===i.transparent&&i.side===P&&!1===i.forceSinglePass?(i.side=F,this._handleObjectFunction(e,i,t,r,a,n,o,"backSide"),i.side=St,this._handleObjectFunction(e,i,t,r,a,n,o,u),i.side=P):this._handleObjectFunction(e,i,t,r,a,n,o,u),p&&(t.overrideMaterial.colorNode=l,t.overrideMaterial.depthNode=d,t.overrideMaterial.positionNode=c,t.overrideMaterial.side=h),this._currentSourceMaterial=g,e.onAfterRender(this,t,r,s,i,n)}hasCompatibility(e){if(!1===this._initialized)throw new Error('THREE.Renderer: .hasCompatibility() called before the backend is initialized. Use "await renderer.init();" before using this method.');return this.backend.hasCompatibility(e)}_renderObjectDirect(e,t,r,s,i,n,a,o){const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,a,o);if(u.drawRange=e.geometry.drawRange,u.group=n,null!==this._currentRenderBundle){this.backend.get(this._currentRenderBundle).renderObjects.push(u),u.bundle=this._currentRenderBundle.bundleGroup}const l=this._nodes.needsRefresh(u);l&&(this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u)),this._pipelines.updateForRender(u),this._pipelines.isReady(u)&&(this.backend.draw(u,this.info),l&&this._nodes.updateAfter(u))}_createObjectPipeline(e,t,r,s,i,n,a,o){if(null!==this._compilationPromises)return void this._compilationPromises.push({object:e,material:t,scene:r,camera:s,lightsNode:i,group:n,clippingContext:a,passId:o,renderContext:this._currentRenderContext});const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,a,o);u.drawRange=e.geometry.drawRange,u.group=n,this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u),this._pipelines.getForRender(u,this._compilationPromises),this._nodes.updateAfter(u)}_onCanvasTargetResize(){this._initialized&&this.backend.updateSize()}get compile(){return this.compileAsync}}class MR{constructor(e=""){this.name=e,this.visibility=0}setVisibility(e){this.visibility|=e}getVisibility(){return this.visibility}clone(){return Object.assign(new this.constructor,this)}}function BR(e){return e+(Qy-e%Qy)%Qy}class LR extends MR{constructor(e,t=null){super(e),this.isBuffer=!0,this.bytesPerElement=Float32Array.BYTES_PER_ELEMENT,this._buffer=t,this._updateRanges=[]}get updateRanges(){return this._updateRanges}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}get byteLength(){return BR(this._buffer.byteLength)}get buffer(){return this._buffer}update(){return!0}release(){this._buffer=null}}class FR extends LR{constructor(e,t=null){super(e,t),this.isUniformBuffer=!0}}let PR=0;class UR extends FR{constructor(e,t){super("UniformBuffer_"+PR++,e?e.value:null),this.nodeUniform=e,this.groupNode=t,this.isNodeUniformBuffer=!0}set updateRanges(e){this.nodeUniform.updateRanges=e}get updateRanges(){return this.nodeUniform.updateRanges}addUpdateRange(e,t){this.nodeUniform.addUpdateRange(e,t)}clearUpdateRanges(){this.nodeUniform.clearUpdateRanges()}get byteLength(){return BR(this.buffer.byteLength)}get buffer(){return this.nodeUniform.value}}class DR extends FR{constructor(e){super(e),this.isUniformsGroup=!0,this._values=null,this.uniforms=[],this._updateRangeCache=new Map,this._addedIndices=new Set}addUniformUpdateRange(e){const t=e.index;if(this._addedIndices.has(t))return;let r=this._updateRangeCache.get(t);void 0===r&&(r={start:0,count:0},this._updateRangeCache.set(t,r)),r.start=e.offset,r.count=e.itemSize,this._addedIndices.add(t),this.updateRanges.push(r)}clearUpdateRanges(){this._addedIndices.clear(),super.clearUpdateRanges()}addUniform(e){return this.uniforms.push(e),this}removeUniform(e){const t=this.uniforms.indexOf(e);return-1!==t&&this.uniforms.splice(t,1),this}get values(){return null===this._values&&(this._values=Array.from(this.buffer)),this._values}get buffer(){let e=this._buffer;if(null===e){const t=this.byteLength;e=new Float32Array(new ArrayBuffer(t)),this._buffer=e}return e}get byteLength(){const e=this.bytesPerElement;let t=0;for(let r=0,s=this.uniforms.length;r<s;r++){const s=this.uniforms[r],i=s.boundary,n=s.itemSize*e,a=t%Qy,o=a%i,u=a+o;t+=o,0!==u&&Qy-u<n&&(t+=Qy-u),s.offset=t/e,s.index=r,t+=n}return Math.ceil(t/Qy)*Qy}update(){let e=!1;for(const t of this.uniforms)!0===this.updateByType(t)&&(e=!0);return e}release(){super.release(),this._values=null}updateByType(e){return e.isNumberUniform?this.updateNumber(e):e.isVector2Uniform?this.updateVector2(e):e.isVector3Uniform?this.updateVector3(e):e.isVector4Uniform?this.updateVector4(e):e.isColorUniform?this.updateColor(e):e.isMatrix3Uniform?this.updateMatrix3(e):e.isMatrix4Uniform?this.updateMatrix4(e):void o("WebGPUUniformsGroup: Unsupported uniform type.",e)}updateNumber(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i]!==s){this._getBufferForType(n)[i]=r[i]=s,t=!0,this.addUniformUpdateRange(e)}return t}updateVector2(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y){const a=this._getBufferForType(n);a[i+0]=r[i+0]=s.x,a[i+1]=r[i+1]=s.y,t=!0,this.addUniformUpdateRange(e)}return t}updateVector3(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y||r[i+2]!==s.z){const a=this._getBufferForType(n);a[i+0]=r[i+0]=s.x,a[i+1]=r[i+1]=s.y,a[i+2]=r[i+2]=s.z,t=!0,this.addUniformUpdateRange(e)}return t}updateVector4(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y||r[i+2]!==s.z||r[i+3]!==s.w){const a=this._getBufferForType(n);a[i+0]=r[i+0]=s.x,a[i+1]=r[i+1]=s.y,a[i+2]=r[i+2]=s.z,a[i+3]=r[i+3]=s.w,t=!0,this.addUniformUpdateRange(e)}return t}updateColor(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset;if(r[i+0]!==s.r||r[i+1]!==s.g||r[i+2]!==s.b){const n=this.buffer;n[i+0]=r[i+0]=s.r,n[i+1]=r[i+1]=s.g,n[i+2]=r[i+2]=s.b,t=!0,this.addUniformUpdateRange(e)}return t}updateMatrix3(e){let t=!1;const r=this.values,s=e.getValue().elements,i=e.offset;if(r[i+0]!==s[0]||r[i+1]!==s[1]||r[i+2]!==s[2]||r[i+4]!==s[3]||r[i+5]!==s[4]||r[i+6]!==s[5]||r[i+8]!==s[6]||r[i+9]!==s[7]||r[i+10]!==s[8]){const n=this.buffer;n[i+0]=r[i+0]=s[0],n[i+1]=r[i+1]=s[1],n[i+2]=r[i+2]=s[2],n[i+4]=r[i+4]=s[3],n[i+5]=r[i+5]=s[4],n[i+6]=r[i+6]=s[5],n[i+8]=r[i+8]=s[6],n[i+9]=r[i+9]=s[7],n[i+10]=r[i+10]=s[8],t=!0,this.addUniformUpdateRange(e)}return t}updateMatrix4(e){let t=!1;const r=this.values,s=e.getValue().elements,i=e.offset;if(!1===function(e,t,r){for(let s=0,i=t.length;s<i;s++)if(e[r+s]!==t[s])return!1;return!0}(r,s,i)){this.buffer.set(s,i),function(e,t,r){for(let s=0,i=t.length;s<i;s++)e[r+s]=t[s]}(r,s,i),t=!0,this.addUniformUpdateRange(e)}return t}_getBufferForType(e){return"int"===e||"ivec2"===e||"ivec3"===e||"ivec4"===e?new Int32Array(this.buffer.buffer):"uint"===e||"uvec2"===e||"uvec3"===e||"uvec4"===e?new Uint32Array(this.buffer.buffer):this.buffer}}let OR=0;class IR extends DR{constructor(e,t){super(e),this.id=OR++,this.groupNode=t,this.isNodeUniformsGroup=!0}}class VR extends MR{constructor(e,t){super(e),this._texture=t,this.version=-1,this.generation=null,this.samplerKey="",this.isSampler=!0}set texture(e){this._texture!==e&&(this._texture=e,this.reset())}get texture(){return this._texture}update(){const{texture:e,version:t}=this;return t!==e.version&&(this.version=e.version,!0)}reset(){this.generation=null,this.version=-1}release(){this._texture=null}}let kR=0;class GR extends VR{constructor(e,t){super(e,t),this.id=kR++,this.store=!1,this.mipLevel=0,this.isSampledTexture=!0}}class $R extends GR{constructor(e,t,r,s=null){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r,this.access=s}update(){const{textureNode:e}=this;return this.texture!==e.value?(this.texture=e.value,!0):super.update()}}class zR extends $R{constructor(e,t,r,s=null){super(e,t,r,s),this.isSampledCubeTexture=!0}}class WR extends $R{constructor(e,t,r,s=null){super(e,t,r,s),this.isSampledTexture3D=!0}}const HR={bitcast_int_uint:new zT("uint tsl_bitcast_int_to_uint ( int x ) { return floatBitsToUint( intBitsToFloat ( x ) ); }"),bitcast_uint_int:new zT("uint tsl_bitcast_uint_to_int ( uint x ) { return floatBitsToInt( uintBitsToFloat ( x ) ); }"),textureGather:new zT("\nvec4 tsl_textureGather( const int comp, sampler2D map, vec2 coord, ivec2 offset, bool flipY ) {\n\tif ( flipY ) offset.y = - offset.y;\n\tvec2 size = vec2( textureSize( map, 0 ) );\n\tvec2 st = floor( coord * size + vec2( offset ) - 0.5 );\n\tvec4 ij = vec4( st + 0.5, st + 1.5 ) / size.xyxy;\n\tvec4 ret = vec4(\n\t\ttextureLod( map, ij.xw, 0.0 )[ comp ],\n\t\ttextureLod( map, ij.zw, 0.0 )[ comp ],\n\t\ttextureLod( map, ij.zy, 0.0 )[ comp ],\n\t\ttextureLod( map, ij.xy, 0.0 )[ comp ]\n\t);\n\treturn flipY ? ret.wzyx : ret;\n}\n"),textureGatherArray:new zT("\nvec4 tsl_textureGather_array( const int comp, sampler2DArray map, vec3 coord, ivec2 offset, bool flipY ) {\n\tif ( flipY ) offset.y = - offset.y;\n\tvec2 size = vec2( textureSize( map, 0 ).xy );\n\tvec2 st = floor( coord.xy * size + vec2( offset ) - 0.5 );\n\tvec4 ij = vec4( st + 0.5, st + 1.5 ) / size.xyxy;\n\tvec4 ret = vec4(\n\t\ttextureLod( map, vec3( ij.xw, coord.z ), 0.0 )[ comp ],\n\t\ttextureLod( map, vec3( ij.zw, coord.z ), 0.0 )[ comp ],\n\t\ttextureLod( map, vec3( ij.zy, coord.z ), 0.0 )[ comp ],\n\t\ttextureLod( map, vec3( ij.xy, coord.z ), 0.0 )[ comp ]\n\t);\n\treturn flipY ? ret.wzyx : ret;\n}\n"),textureGatherCompare:new zT("\nvec4 tsl_textureGatherCompare( sampler2DShadow map, vec2 coord, ivec2 offset, float ref, bool flipY ) {\n\tif ( flipY ) offset.y = - offset.y;\n\tvec2 size = vec2( textureSize( map, 0 ) );\n\tvec2 st = floor( coord * size + vec2( offset ) - 0.5 );\n\tvec4 ij = vec4( st + 0.5, st + 1.5 ) / size.xyxy;\n\tvec4 ret = vec4(\n\t\ttextureLod( map, vec3( ij.xw, ref ), 0.0 ),\n\t\ttextureLod( map, vec3( ij.zw, ref ), 0.0 ),\n\t\ttextureLod( map, vec3( ij.zy, ref ), 0.0 ),\n\t\ttextureLod( map, vec3( ij.xy, ref ), 0.0 )\n\t);\n\treturn flipY ? ret.wzyx : ret;\n}\n"),textureGatherCompareArray:new zT("\nvec4 tsl_textureGatherCompare_array( sampler2DArrayShadow map, vec3 coord, ivec2 offset, float ref, bool flipY ) {\n\tif ( flipY ) offset.y = - offset.y;\n\tvec2 size = vec2( textureSize( map, 0 ).xy );\n\tvec2 st = floor( coord.xy * size + vec2( offset ) - 0.5 );\n\tvec4 ij = vec4( st + 0.5, st + 1.5 ) / size.xyxy;\n\tvec4 ret = vec4(\n\t\ttexture( map, vec4( ij.xw, coord.z, ref ) ),\n\t\ttexture( map, vec4( ij.zw, coord.z, ref ) ),\n\t\ttexture( map, vec4( ij.zy, coord.z, ref ) ),\n\t\ttexture( map, vec4( ij.xy, coord.z, ref ) )\n\t);\n\treturn flipY ? ret.wzyx : ret;\n}\n")},jR={textureDimensions:"textureSize",equals:"equal",bitcast_float_int:"floatBitsToInt",bitcast_int_float:"intBitsToFloat",bitcast_uint_float:"uintBitsToFloat",bitcast_float_uint:"floatBitsToUint",bitcast_uint_int:"tsl_bitcast_uint_to_int",bitcast_int_uint:"tsl_bitcast_int_to_uint",floatpack_snorm_2x16:"packSnorm2x16",floatpack_unorm_2x16:"packUnorm2x16",floatpack_float16_2x16:"packHalf2x16",floatunpack_snorm_2x16:"unpackSnorm2x16",floatunpack_unorm_2x16:"unpackUnorm2x16",floatunpack_float16_2x16:"unpackHalf2x16"},qR={low:"lowp",medium:"mediump",high:"highp"},XR={swizzleAssign:!0,storageBuffer:!1},YR={perspective:"smooth",linear:"noperspective"},KR={centroid:"centroid"},QR="\nprecision highp float;\nprecision highp int;\nprecision highp sampler2D;\nprecision highp sampler3D;\nprecision highp samplerCube;\nprecision highp sampler2DArray;\n\nprecision highp usampler2D;\nprecision highp usampler3D;\nprecision highp usamplerCube;\nprecision highp usampler2DArray;\n\nprecision highp isampler2D;\nprecision highp isampler3D;\nprecision highp isamplerCube;\nprecision highp isampler2DArray;\n\nprecision highp sampler2DShadow;\nprecision highp sampler2DArrayShadow;\nprecision highp samplerCubeShadow;\n";class ZR extends AS{constructor(e,t){super(e,t,new YS),this.uniformGroups={},this.transforms=[],this.extensions={},this.builtins={vertex:[],fragment:[],compute:[]}}needsToWorkingColorSpace(e){return!0===e.isVideoTexture&&e.colorSpace!==T}_include(e){const t=HR[e];return t.build(this),this.addInclude(t),t}getMethod(e){return void 0!==HR[e]&&this._include(e),jR[e]||e}getBitcastMethod(e,t){return this.getMethod(`bitcast_${t}_${e}`)}getFloatPackingMethod(e){return this.getMethod(`floatpack_${e}_2x16`)}getFloatUnpackingMethod(e){return this.getMethod(`floatunpack_${e}_2x16`)}getTernary(e,t,r){return`${e} ? ${t} : ${r}`}getOutputStructName(){return""}buildFunctionCode(e){const t=e.layout,r=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(this.getType(e.type)+" "+e.name);return`${this.getType(t.type)} ${t.name}( ${s.join(", ")} ) {\n\n\t${r.vars}\n\n${r.code}\n\treturn ${r.result};\n\n}`}setupPBO(e){const t=e.value;if(void 0===t.pbo){const e=t.array,r=t.count*t.itemSize,{itemSize:s}=t,i=t.array.constructor.name.toLowerCase().includes("int");let n=i?We:ze;2===s?n=i?qe:z:3===s?n=i?Ye:Xe:4===s&&(n=i?Ft:Ee);const a={Float32Array:Y,Uint8Array:Ve,Uint16Array:Ge,Uint32Array:S,Int8Array:Ie,Int16Array:ke,Int32Array:R,Uint8ClampedArray:Ve},o=Math.pow(2,Math.ceil(Math.log2(Math.sqrt(r/s))));let u=Math.ceil(r/s/o);o*u*s<r&&u++;const l=o*u*s,d=new e.constructor(l);d.set(e,0),t.array=d;const c=new xe(t.array,o,u,n,a[t.array.constructor.name]||Y);c.needsUpdate=!0,c.isPBOTexture=!0;const h=new Zl(c,null,null);h.setPrecision("high"),t.pboNode=h,t.pbo=h.value,this.getUniformFromNode(t.pboNode,"texture",this.shaderStage,this.context.nodeName)}}getPropertyName(e,t=this.shaderStage){return e.isNodeUniform&&!0!==e.node.isTextureNode&&!0!==e.node.isBufferNode?e.name:super.getPropertyName(e,t)}generatePBO(e){const{node:t,indexNode:r}=e,s=t.value;if(this.renderer.backend.has(s)){this.renderer.backend.get(s).pbo=s.pbo}const i=this.getUniformFromNode(s.pboNode,"texture",this.shaderStage,this.context.nodeName),n=this.getPropertyName(i);this.increaseUsage(r);const a=r.build(this,"uint"),o=this.getDataFromNode(e);let u=o.propertyName;if(void 0===u){const r=this.getVarFromNode(e);u=this.getPropertyName(r);const i=this.getDataFromNode(t);let l=i.propertySizeName;void 0===l&&(l=u+"Size",this.getVarFromNode(t,l,"uint"),this.addLineFlowCode(`${l} = uint( textureSize( ${n}, 0 ).x )`,e),i.propertySizeName=l);const{itemSize:d}=s,c="."+di.join("").slice(0,d),h=`ivec2(${a} % ${l}, ${a} / ${l})`,p=this.generateTextureLoad(null,n,h,"0",null,null);let g="vec4";s.pbo.type===S?g="uvec4":s.pbo.type===R&&(g="ivec4"),this.addLineFlowCode(`${u} = ${g}(${p})${c}`,e),o.propertyName=u}return u}generateTextureLoad(e,t,r,s,i,n){let a;return null===s&&(s="0"),a=i?n?`texelFetchOffset( ${t}, ivec3( ${r}, ${i} ), int( ${s} ), ${n} )`:`texelFetch( ${t}, ivec3( ${r}, ${i} ), int( ${s} ) )`:n?`texelFetchOffset( ${t}, ${r}, int( ${s} ), ${n} )`:`texelFetch( ${t}, ${r}, int( ${s} ) )`,null!==e&&e.isDepthTexture&&(a+=".x"),a}generateTexture(e,t,r,s,i){return s&&(r=`vec3( ${r}, ${s} )`),e.isDepthTexture?i?`textureOffset( ${t}, ${r}, ${i} ).x`:`texture( ${t}, ${r} ).x`:i?`textureOffset( ${t}, ${r}, ${i} )`:`texture( ${t}, ${r} )`}generateTextureLevel(e,t,r,s,i,n){return i&&(r=`vec3( ${r}, ${i} )`),n?`textureLodOffset( ${t}, ${r}, ${s}, ${n} )`:`textureLod( ${t}, ${r}, ${s} )`}generateTextureBias(e,t,r,s,i,n){return i&&(r=`vec3( ${r}, ${i} )`),n?`textureOffset( ${t}, ${r}, ${n}, ${s} )`:`texture( ${t}, ${r}, ${s} )`}generateTextureGrad(e,t,r,s,i,n){return i&&(r=`vec3( ${r}, ${i} )`),n?`textureGradOffset( ${t}, ${r}, ${s[0]}, ${s[1]}, ${n} )`:`textureGrad( ${t}, ${r}, ${s[0]}, ${s[1]} )`}generateTextureCompare(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return e.isCubeTexture?`texture( ${t}, vec4( ${r}, ${s} ) )`:i?n?`textureOffset( ${t}, vec4( ${r}, ${i}, ${s} ), ${n} )`:`texture( ${t}, vec4( ${r}, ${i}, ${s} ) )`:n?`textureOffset( ${t}, vec3( ${r}, ${s} ), ${n} )`:`texture( ${t}, vec3( ${r}, ${s} ) )`;o(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${a} shader.`)}generateTextureGather(e,t,r,s,i,n,a){return e.isDepthTexture&&(s="0"),null===n&&(n="ivec2( 0 )"),null===a&&(a="false"),i?(this._include("textureGatherArray"),`tsl_textureGather_array( ${s}, ${t}, vec3( ${r}, ${i} ), ${n}, ${a} )`):(this._include("textureGather"),`tsl_textureGather( ${s}, ${t}, ${r}, ${n}, ${a} )`)}generateTextureGatherCompare(e,t,r,s,i,n,a){return null===n&&(n="ivec2( 0 )"),null===a&&(a="false"),i?(this._include("textureGatherCompareArray"),`tsl_textureGatherCompare_array( ${t}, vec3( ${r}, ${i} ), ${n}, ${s}, ${a} )`):(this._include("textureGatherCompare"),`tsl_textureGatherCompare( ${t}, ${r}, ${n}, ${s}, ${a} )`)}getUniforms(e){const t=this.uniforms[e],r=[],s={};for(const e of t){let t=null,i=!1;if("texture"===e.type||"texture3D"===e.type){const r=e.node,s=r.value;let i="";!0!==s.isDataTexture&&!0!==s.isData3DTexture||(s.type===S?i="u":s.type===R&&(i="i")),t="texture3D"===e.type&&!1===s.isArrayTexture?`${i}sampler3D ${e.name};`:s.compareFunction&&null!==r.compareNode?!0===s.isArrayTexture?`sampler2DArrayShadow ${e.name};`:`sampler2DShadow ${e.name};`:!0===s.isArrayTexture||!0===s.isDataArrayTexture||!0===s.isCompressedArrayTexture?`${i}sampler2DArray ${e.name};`:`${i}sampler2D ${e.name};`}else if("cubeTexture"===e.type)t=`samplerCube ${e.name};`;else if("cubeDepthTexture"===e.type){t=e.node.value.compareFunction?`samplerCubeShadow ${e.name};`:`samplerCube ${e.name};`}else if("buffer"===e.type){const r=e.node,s=this.getType(r.bufferType),i=r.bufferCount,n=i>0?i:"";t=`${r.name} {\n\t${s} ${e.name}[${n}];\n};\n`}else{const t=e.groupNode.name;if(void 0===s[t]){const e=this.uniformGroups[t];if(void 0!==e){const r=[];for(const t of e.uniforms){const e=t.getType(),s=this.getVectorType(e),i=t.nodeUniform.node.precision;let n=`${s} ${t.name};`;null!==i&&(n=qR[i]+" "+n),r.push("\t"+n)}s[t]=r}}i=!0}if(!i){const s=e.node.precision;null!==s&&(t=qR[s]+" "+t),t="uniform "+t,r.push(t)}}let i="";for(const e in s){const t=s[e];i+=this._getGLSLUniformStruct(e,t.join("\n"))+"\n"}return i+=r.join("\n"),i}getTypeFromAttribute(e){let t=super.getTypeFromAttribute(e);if(/^[iu]/.test(t)&&e.gpuType!==R){let r=e;e.isInterleavedBufferAttribute&&(r=e.data);const s=r.array;!1==(s instanceof Uint32Array||s instanceof Int32Array)&&(t=t.slice(1))}return t}getAttributes(e){let t="";if("vertex"===e||"compute"===e){const e=this.getAttributesArray();let r=0;for(const s of e)t+=`layout( location = ${r++} ) in ${s.type} ${s.name};\n`}return t}getStructMembers(e){const t=[];for(const r of e.members)t.push(`\t${r.type} ${r.name};`);return t.join("\n")}getStructs(e){const t=[],r=this.structs[e],s=[];for(const e of r)if(e.output)for(const t of e.members)s.push(`layout( location = ${t.index} ) out ${t.type} ${t.name};`);else{let r="struct "+e.name+" {\n";r+=this.getStructMembers(e),r+="\n};\n",t.push(r)}return"fragment"===e&&0===s.length&&s.push(`layout( location = 0 ) out ${this.getOutputType()} fragColor;`),"\n"+s.join("\n")+"\n\n"+t.join("\n")}getVaryings(e){let t="";const r=this.varyings;if("vertex"===e||"compute"===e)for(const s of r){"compute"===e&&(s.needsInterpolation=!0);const r=this.getType(s.type);if(s.needsInterpolation)if(s.interpolationType){t+=`${YR[s.interpolationType]||s.interpolationType} ${KR[s.interpolationSampling]||""} out ${r} ${s.name};\n`}else{t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}out ${r} ${s.name};\n`}else t+=`${r} ${s.name};\n`}else if("fragment"===e)for(const e of r)if(e.needsInterpolation){const r=this.getType(e.type);if(e.interpolationType){t+=`${YR[e.interpolationType]||e.interpolationType} ${KR[e.interpolationSampling]||""} in ${r} ${e.name};\n`}else{t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}in ${r} ${e.name};\n`}}for(const r of this.builtins[e])t+=`${r};\n`;return t}getVertexIndex(){return"uint( gl_VertexID )"}getInstanceIndex(){return"uint( gl_InstanceID )"}getInvocationLocalIndex(){return`uint( gl_InstanceID ) % ${this.object.workgroupSize.reduce((e,t)=>e*t,1)}u`}getSubgroupSize(){o("GLSLNodeBuilder: WebGLBackend does not support the subgroupSize node")}getInvocationSubgroupIndex(){o("GLSLNodeBuilder: WebGLBackend does not support the invocationSubgroupIndex node")}getSubgroupIndex(){o("GLSLNodeBuilder: WebGLBackend does not support the subgroupIndex node")}getDrawIndex(){return this.renderer.backend.extensions.has("WEBGL_multi_draw")?"uint( gl_DrawID )":"nodeUniformDrawId"}getFrontFacing(){return"gl_FrontFacing"}getFragCoord(){return"gl_FragCoord.xy"}getFragDepth(){return"gl_FragDepth"}enableExtension(e,t,r=this.shaderStage){const s=this.extensions[r]||(this.extensions[r]=new Map);!1===s.has(e)&&s.set(e,{name:e,behavior:t})}getExtensions(e){const t=[];if("vertex"===e){const t=this.renderer.backend.extensions;this.object.isBatchedMesh&&t.has("WEBGL_multi_draw")&&this.enableExtension("GL_ANGLE_multi_draw","require",e)}const r=this.extensions[e];if(void 0!==r)for(const{name:e,behavior:s}of r.values())t.push(`#extension ${e} : ${s}`);return t.join("\n")}getClipDistance(){return"gl_ClipDistance"}isAvailable(e){let t=XR[e];if(void 0===t){let r;switch(t=!1,e){case"float32Filterable":r="OES_texture_float_linear";break;case"clipDistance":r="WEBGL_clip_cull_distance"}if(void 0!==r){const e=this.renderer.backend.extensions;e.has(r)&&(e.get(r),t=!0)}XR[e]=t}return t}isFlipY(){return!0}enableHardwareClipping(e){this.enableExtension("GL_ANGLE_clip_cull_distance","require"),this.builtins.vertex.push(`out float gl_ClipDistance[ ${e} ]`)}enableMultiview(){this.enableExtension("GL_OVR_multiview2","require","fragment"),this.enableExtension("GL_OVR_multiview2","require","vertex"),this.builtins.vertex.push("layout(num_views = 2) in")}registerTransform(e,t){this.transforms.push({varyingName:e,attributeNode:t})}getTransforms(){const e=this.transforms;let t="";for(let r=0;r<e.length;r++){const s=e[r],i=this.getPropertyName(s.attributeNode);i&&(t+=`${s.varyingName} = ${i};\n\t`)}return t}_getGLSLUniformStruct(e,t){return`\nlayout( std140 ) uniform ${e} {\n${t}\n};`}_getGLSLVertexCode(e){return`#version 300 es\n\n${this.getSignature()}\n\n// extensions\n${e.extensions}\n\n// precision\n${QR}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\n\n// attributes\n${e.attributes}\n\n// vars\n${e.vars}\n\n// codes\n${e.codes}\n\nvoid main() {\n\n\t// transforms\n\t${e.transforms}\n\n\t// flow\n\t${e.flow}\n\n\tgl_PointSize = 1.0;\n\n}\n`}_getGLSLFragmentCode(e){return`#version 300 es\n\n${this.getSignature()}\n\n// extensions\n${e.extensions}\n\n// precision\n${QR}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\n\n// vars\n${e.vars}\n\n// codes\n${e.codes}\n\nvoid main() {\n\n\t// flow\n\t${e.flow}\n\n}\n`}buildCode(){const e=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){let r="// code\n\n";r+=this.flowCode[t];const s=this.flowNodes[t],i=s[s.length-1];for(const e of s){const s=this.getFlowData(e),n=e.name;n&&(r.length>0&&(r+="\n"),r+=`\t// flow -> ${n}\n\t`),r+=`${s.code}\n\t`,e===i&&"compute"!==t&&(r+="// result\n\t","vertex"===t?(r+="gl_Position = ",r+=`${this.format(s.result,i.getNodeType(this),"vec4")};`):"fragment"===t&&(e.outputNode.isOutputStructNode||(r+="fragColor = ",r+=`${this.format(s.result,i.getNodeType(this),this.getOutputType())};`)))}const n=e[t];if(n.extensions=this.getExtensions(t),n.uniforms=this.getUniforms(t),n.attributes=this.getAttributes(t),n.varyings=this.getVaryings(t),n.vars=this.getVars(t,!0),n.structs=this.getStructs(t),n.codes=this.getCodes(t),n.transforms=this.getTransforms(t),n.flow=r,"vertex"===t){const e=this.renderer.backend.extensions;this.object.isBatchedMesh&&!1===e.has("WEBGL_multi_draw")&&(n.uniforms+="\nuniform uint nodeUniformDrawId;\n")}}null!==this.material?(this.vertexShader=this._getGLSLVertexCode(e.vertex),this.fragmentShader=this._getGLSLFragmentCode(e.fragment)):this.computeShader=this._getGLSLVertexCode(e.compute)}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);let a=n.uniformGPU;if(void 0===a){const s=e.groupNode,o=s.name,u=this.getBindGroupArray(o,r);if("texture"===t)a=new $R(i.name,i.node,s),u.push(a);else if("cubeTexture"===t||"cubeDepthTexture"===t)a=new zR(i.name,i.node,s),u.push(a);else if("texture3D"===t)a=new WR(i.name,i.node,s),u.push(a);else if("buffer"===t){i.name=`buffer${e.id}`;const t=this.getSharedDataFromNode(e);let r=t.buffer;void 0===r&&(e.name=`NodeBuffer_${e.id}`,r=new UR(e,s),r.name=e.name,t.buffer=r),u.push(r),a=r}else{let e=this.uniformGroups[o];void 0===e?(e=new IR(o,s),this.uniformGroups[o]=e,u.push(e)):-1===u.indexOf(e)&&u.push(e),a=this.getNodeUniform(i,t);const r=a.name;e.uniforms.some(e=>e.name===r)||e.addUniform(a)}n.uniformGPU=a}return i}}let JR=null,eE=null;class tE{constructor(e={}){this.parameters=Object.assign({},e),this.data=new WeakMap,this.renderer=null,this.domElement=null,this.timestampQueryPool={[Pt.RENDER]:null,[Pt.COMPUTE]:null},this.trackTimestamp=!0===e.trackTimestamp}async init(e){this.renderer=e}get coordinateSystem(){}beginRender(){}finishRender(){}setXRTarget(){}beginCompute(){}finishCompute(){}draw(){}compute(){}createProgram(){}destroyProgram(){}createBindings(){}updateBindings(){}updateBinding(){}createRenderPipeline(){}createComputePipeline(){}needsRenderUpdate(){}getRenderCacheKey(){}createNodeBuilder(){}updateSampler(){}createDefaultTexture(){}createTexture(){}updateTexture(){}generateMipmaps(){}destroyTexture(){}async copyTextureToBuffer(){}copyTextureToTexture(){}copyFramebufferToTexture(){}createAttribute(){}createIndexAttribute(){}createStorageAttribute(){}createUniformBuffer(){}destroyUniformBuffer(){}updateAttribute(){}destroyAttribute(){}getContext(){}updateSize(){}updateViewport(){}updateTimeStampUID(e){const t=this.get(e),r=this.renderer.info.frame;let s;s=!0===e.isComputeNode?"c:"+this.renderer.info.compute.frameCalls:"r:"+this.renderer.info.render.frameCalls,t.timestampUID=s+":"+e.id+":f"+r}getTimestampUID(e){return this.get(e).timestampUID}getTimestampFrames(e){const t=this.timestampQueryPool[e];return t?t.getTimestampFrames():[]}_getQueryPool(e){const t=e.startsWith("c:")?Pt.COMPUTE:Pt.RENDER;return this.timestampQueryPool[t]}getTimestamp(e){return this._getQueryPool(e).getTimestamp(e)}hasTimestamp(e){return this._getQueryPool(e).hasTimestamp(e)}isOccluded(){}async resolveTimestampsAsync(e="render"){if(!this.trackTimestamp)return void v("WebGPURenderer: Timestamp tracking is disabled.");const t=this.timestampQueryPool[e];if(!t)return;const r=await t.resolveQueriesAsync();return this.renderer.info[e].timestamp=r,r}async getArrayBufferAsync(){}async hasFeatureAsync(){}hasFeature(){}getDrawingBufferSize(){return JR=JR||new t,this.renderer.getDrawingBufferSize(JR)}setScissorTest(){}getClearColor(){const e=this.renderer;return eE=eE||new Sb,e.getClearColor(eE),eE.getRGB(eE),eE}getDomElement(){let e=this.domElement;return null===e&&(e=void 0!==this.parameters.canvas?this.parameters.canvas:Ut(),"setAttribute"in e&&e.setAttribute("data-engine",`three.js r${_t} webgpu`),this.domElement=e),e}hasCompatibility(){return!1}initRenderTarget(){}set(e,t){this.data.set(e,t)}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}has(e){return this.data.has(e)}delete(e){this.data.delete(e)}deleteBindGroupData(){}dispose(){}}let rE,sE,iE=0;class nE{constructor(e,t){this.buffers=[e.bufferGPU,t],this.type=e.type,this.bufferType=e.bufferType,this.pbo=e.pbo,this.byteLength=e.byteLength,this.bytesPerElement=e.BYTES_PER_ELEMENT,this.version=e.version,this.isInteger=e.isInteger,this.activeBufferIndex=0,this.baseId=e.id}get id(){return`${this.baseId}|${this.activeBufferIndex}`}get bufferGPU(){return this.buffers[this.activeBufferIndex]}get transformBuffer(){return this.buffers[1^this.activeBufferIndex]}switchBuffers(){this.activeBufferIndex^=1}}class aE{constructor(e){this.backend=e}createAttribute(e,t){const r=this.backend,{gl:s}=r,i=e.array,n=e.usage||s.STATIC_DRAW,a=e.isInterleavedBufferAttribute?e.data:e,o=r.get(a);let u,l=o.bufferGPU;if(void 0===l&&(l=this._createBuffer(s,t,i,n),o.bufferGPU=l,o.bufferType=t,o.version=a.version),i instanceof Float32Array)u=s.FLOAT;else if("undefined"!=typeof Float16Array&&i instanceof Float16Array)u=s.HALF_FLOAT;else if(i instanceof Uint16Array)u=e.isFloat16BufferAttribute?s.HALF_FLOAT:s.UNSIGNED_SHORT;else if(i instanceof Int16Array)u=s.SHORT;else if(i instanceof Uint32Array)u=s.UNSIGNED_INT;else if(i instanceof Int32Array)u=s.INT;else if(i instanceof Int8Array)u=s.BYTE;else if(i instanceof Uint8Array)u=s.UNSIGNED_BYTE;else{if(!(i instanceof Uint8ClampedArray))throw new Error("THREE.WebGLBackend: Unsupported buffer data format: "+i);u=s.UNSIGNED_BYTE}let d={bufferGPU:l,bufferType:t,type:u,byteLength:i.byteLength,bytesPerElement:i.BYTES_PER_ELEMENT,version:e.version,pbo:e.pbo,isInteger:u===s.INT||u===s.UNSIGNED_INT||e.gpuType===R,id:iE++};if(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute){const e=this._createBuffer(s,t,i,n);d=new nE(d,e)}r.set(e,d)}updateAttribute(e){const t=this.backend,{gl:r}=t,s=e.array,i=e.isInterleavedBufferAttribute?e.data:e,n=t.get(i),a=n.bufferType,o=e.isInterleavedBufferAttribute?e.data.updateRanges:e.updateRanges;if(r.bindBuffer(a,n.bufferGPU),0===o.length)r.bufferSubData(a,0,s);else{for(let e=0,t=o.length;e<t;e++){const t=o[e];r.bufferSubData(a,t.start*s.BYTES_PER_ELEMENT,s,t.start,t.count)}i.clearUpdateRanges()}r.bindBuffer(a,null),n.version=i.version}destroyAttribute(e){const t=this.backend,{gl:r}=t;e.isInterleavedBufferAttribute&&t.delete(e.data);const s=t.get(e);r.deleteBuffer(s.bufferGPU),t.delete(e)}async getArrayBufferAsync(e,t=null,r=0,s=-1){const i=this.backend,{gl:n}=i,a=e.isInterleavedBufferAttribute?e.data:e,o=i.get(a),{bufferGPU:u}=o,l=-1===s?o.byteLength-r:s;let d;if(null===t)d=new Uint8Array(new ArrayBuffer(l));else if(t.isReadbackBuffer){if(!0===t._mapped)throw new Error("THREE.WebGPURenderer: ReadbackBuffer must be released before being used again.");const e=()=>{t.buffer=null,t._mapped=!1,t.removeEventListener("release",e),t.removeEventListener("dispose",e)};t.addEventListener("release",e),t.addEventListener("dispose",e),d=new Uint8Array(new ArrayBuffer(l)),t.buffer=d.buffer}else d=new Uint8Array(t);return n.bindBuffer(n.COPY_READ_BUFFER,u),n.getBufferSubData(n.COPY_READ_BUFFER,r,d),n.bindBuffer(n.COPY_READ_BUFFER,null),n.bindBuffer(n.COPY_WRITE_BUFFER,null),t&&t.isReadbackBuffer?t:d.buffer}_createBuffer(e,t,r,s){const i=e.createBuffer();return e.bindBuffer(t,i),e.bufferData(t,r,s),e.bindBuffer(t,null),i}}class oE{constructor(e){this.backend=e,this.gl=this.backend.gl,this.enabled={},this.parameters={},this.currentFlipSided=null,this.currentCullFace=null,this.currentProgram=null,this.currentBlendingEnabled=!1,this.currentBlending=null,this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentPremultipledAlpha=null,this.currentPolygonOffsetFactor=null,this.currentPolygonOffsetUnits=null,this.currentColorMask=null,this.currentDepthReversed=!1,this.currentDepthFunc=null,this.currentDepthMask=null,this.currentStencilFunc=null,this.currentStencilRef=null,this.currentStencilFuncMask=null,this.currentStencilFail=null,this.currentStencilZFail=null,this.currentStencilZPass=null,this.currentStencilMask=null,this.currentLineWidth=null,this.currentClippingPlanes=0,this.currentVAO=null,this.currentIndex=null,this.currentBoundFramebuffers={},this.currentDrawbuffers=new WeakMap,this.maxTextures=this.gl.getParameter(this.gl.MAX_TEXTURE_IMAGE_UNITS),this.currentTextureSlot=null,this.currentBoundTextures={},this.currentBoundBufferBases={},this._init()}_init(){const e=this.gl;rE={[it]:e.FUNC_ADD,[Ot]:e.FUNC_SUBTRACT,[Dt]:e.FUNC_REVERSE_SUBTRACT},sE={[Et]:e.ZERO,[Ht]:e.ONE,[Wt]:e.SRC_COLOR,[rt]:e.SRC_ALPHA,[zt]:e.SRC_ALPHA_SATURATE,[$t]:e.DST_COLOR,[Gt]:e.DST_ALPHA,[kt]:e.ONE_MINUS_SRC_COLOR,[st]:e.ONE_MINUS_SRC_ALPHA,[Vt]:e.ONE_MINUS_DST_COLOR,[It]:e.ONE_MINUS_DST_ALPHA};const t=e.getParameter(e.SCISSOR_BOX),r=e.getParameter(e.VIEWPORT);this.currentScissor=(new s).fromArray(t),this.currentViewport=(new s).fromArray(r),this._tempVec4=new s}enable(e){const{enabled:t}=this;!0!==t[e]&&(this.gl.enable(e),t[e]=!0)}disable(e){const{enabled:t}=this;!1!==t[e]&&(this.gl.disable(e),t[e]=!1)}setFlipSided(e){if(this.currentFlipSided!==e){const{gl:t}=this;e?t.frontFace(t.CW):t.frontFace(t.CCW),this.currentFlipSided=e}}setCullFace(e){const{gl:t}=this;e!==jt?(this.enable(t.CULL_FACE),e!==this.currentCullFace&&(e===qt?t.cullFace(t.BACK):e===Xt?t.cullFace(t.FRONT):t.cullFace(t.FRONT_AND_BACK))):this.disable(t.CULL_FACE),this.currentCullFace=e}setLineWidth(e){const{currentLineWidth:t,gl:r}=this;e!==t&&(r.lineWidth(e),this.currentLineWidth=e)}setMRTBlending(e,t,r){const s=this.gl,i=this.backend.drawBuffersIndexedExt;if(i)for(let n=0;n<e.length;n++){const a=e[n];let o=null;if(null!==t){const e=t.getBlendMode(a.name);e.blending===nt?o=r:e.blending!==re&&(o=e)}else o=r;null!==o?this._setMRTBlendingIndex(n,o):i.blendFuncSeparateiOES(n,s.ONE,s.ZERO,s.ONE,s.ZERO)}else v("WebGPURenderer: Multiple Render Targets (MRT) blending configuration is not fully supported in compatibility mode. The material blending will be used for all render targets.")}_setMRTBlendingIndex(e,t){const{gl:r}=this,s=this.backend.drawBuffersIndexedExt,i=t.blending,n=t.blendSrc,a=t.blendDst,o=t.blendEquation,u=t.premultipliedAlpha;if(i===Rt){const r=null!==t.blendSrcAlpha?t.blendSrcAlpha:n,i=null!==t.blendDstAlpha?t.blendDstAlpha:a,u=null!==t.blendEquationAlpha?t.blendEquationAlpha:o;s.blendEquationSeparateiOES(e,rE[o],rE[u]),s.blendFuncSeparateiOES(e,sE[n],sE[a],sE[r],sE[i])}else if(s.blendEquationSeparateiOES(e,r.FUNC_ADD,r.FUNC_ADD),u)switch(i){case tt:s.blendFuncSeparateiOES(e,r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA);break;case Qt:s.blendFuncSeparateiOES(e,r.ONE,r.ONE,r.ONE,r.ONE);break;case Kt:s.blendFuncSeparateiOES(e,r.ZERO,r.ONE_MINUS_SRC_COLOR,r.ZERO,r.ONE);break;case Yt:s.blendFuncSeparateiOES(e,r.DST_COLOR,r.ONE_MINUS_SRC_ALPHA,r.ZERO,r.ONE);break;default:s.blendFuncSeparateiOES(e,r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}else switch(i){case tt:s.blendFuncSeparateiOES(e,r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA);break;case Qt:s.blendFuncSeparateiOES(e,r.SRC_ALPHA,r.ONE,r.ONE,r.ONE);break;case Kt:s.blendFuncSeparateiOES(e,r.ZERO,r.ONE_MINUS_SRC_COLOR,r.ZERO,r.ONE);break;case Yt:s.blendFuncSeparateiOES(e,r.DST_COLOR,r.ONE_MINUS_SRC_ALPHA,r.ZERO,r.ONE);break;default:s.blendFuncSeparateiOES(e,r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}}setBlending(e,t,r,s,i,n,a,u){const{gl:l}=this;if(e!==re){if(!1===this.currentBlendingEnabled&&(this.enable(l.BLEND),this.currentBlendingEnabled=!0),e===Rt)i=i||t,n=n||r,a=a||s,t===this.currentBlendEquation&&i===this.currentBlendEquationAlpha||(l.blendEquationSeparate(rE[t],rE[i]),this.currentBlendEquation=t,this.currentBlendEquationAlpha=i),r===this.currentBlendSrc&&s===this.currentBlendDst&&n===this.currentBlendSrcAlpha&&a===this.currentBlendDstAlpha||(l.blendFuncSeparate(sE[r],sE[s],sE[n],sE[a]),this.currentBlendSrc=r,this.currentBlendDst=s,this.currentBlendSrcAlpha=n,this.currentBlendDstAlpha=a),this.currentBlending=e,this.currentPremultipledAlpha=!1;else if(e!==this.currentBlending||u!==this.currentPremultipledAlpha){if(this.currentBlendEquation===it&&this.currentBlendEquationAlpha===it||(l.blendEquation(l.FUNC_ADD),this.currentBlendEquation=it,this.currentBlendEquationAlpha=it),u)switch(e){case tt:l.blendFuncSeparate(l.ONE,l.ONE_MINUS_SRC_ALPHA,l.ONE,l.ONE_MINUS_SRC_ALPHA);break;case Qt:l.blendFunc(l.ONE,l.ONE);break;case Kt:l.blendFuncSeparate(l.ZERO,l.ONE_MINUS_SRC_COLOR,l.ZERO,l.ONE);break;case Yt:l.blendFuncSeparate(l.DST_COLOR,l.ONE_MINUS_SRC_ALPHA,l.ZERO,l.ONE);break;default:o("WebGLState: Invalid blending: ",e)}else switch(e){case tt:l.blendFuncSeparate(l.SRC_ALPHA,l.ONE_MINUS_SRC_ALPHA,l.ONE,l.ONE_MINUS_SRC_ALPHA);break;case Qt:l.blendFuncSeparate(l.SRC_ALPHA,l.ONE,l.ONE,l.ONE);break;case Kt:o("WebGLState: SubtractiveBlending requires material.premultipliedAlpha = true");break;case Yt:o("WebGLState: MultiplyBlending requires material.premultipliedAlpha = true");break;default:o("WebGLState: Invalid blending: ",e)}this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentBlending=e,this.currentPremultipledAlpha=u}}else!0===this.currentBlendingEnabled&&(this.disable(l.BLEND),this.currentBlendingEnabled=!1)}setColorMask(e){this.currentColorMask!==e&&(this.gl.colorMask(e,e,e,e),this.currentColorMask=e)}setDepthTest(e){const{gl:t}=this;e?this.enable(t.DEPTH_TEST):this.disable(t.DEPTH_TEST)}setReversedDepth(e){if(this.currentDepthReversed!==e){const t=this.backend.extensions.get("EXT_clip_control");e?t.clipControlEXT(t.LOWER_LEFT_EXT,t.ZERO_TO_ONE_EXT):t.clipControlEXT(t.LOWER_LEFT_EXT,t.NEGATIVE_ONE_TO_ONE_EXT),this.currentDepthReversed=e}}setDepthMask(e){this.currentDepthMask!==e&&(this.gl.depthMask(e),this.currentDepthMask=e)}setDepthFunc(e){if(this.currentDepthReversed&&(e=ar[e]),this.currentDepthFunc!==e){const{gl:t}=this;switch(e){case nr:t.depthFunc(t.NEVER);break;case ir:t.depthFunc(t.ALWAYS);break;case sr:t.depthFunc(t.LESS);break;case rr:t.depthFunc(t.LEQUAL);break;case tr:t.depthFunc(t.EQUAL);break;case er:t.depthFunc(t.GEQUAL);break;case Jt:t.depthFunc(t.GREATER);break;case Zt:t.depthFunc(t.NOTEQUAL);break;default:t.depthFunc(t.LEQUAL)}this.currentDepthFunc=e}}scissor(e,t,r,s){const i=this._tempVec4.set(e,t,r,s);if(!1===this.currentScissor.equals(i)){const{gl:e}=this;e.scissor(i.x,i.y,i.z,i.w),this.currentScissor.copy(i)}}viewport(e,t,r,s){const i=this._tempVec4.set(e,t,r,s);if(!1===this.currentViewport.equals(i)){const{gl:e}=this;e.viewport(i.x,i.y,i.z,i.w),this.currentViewport.copy(i)}}setScissorTest(e){const t=this.gl;e?this.enable(t.SCISSOR_TEST):this.disable(t.SCISSOR_TEST)}setStencilTest(e){const{gl:t}=this;e?this.enable(t.STENCIL_TEST):this.disable(t.STENCIL_TEST)}setStencilMask(e){this.currentStencilMask!==e&&(this.gl.stencilMask(e),this.currentStencilMask=e)}setStencilFunc(e,t,r){this.currentStencilFunc===e&&this.currentStencilRef===t&&this.currentStencilFuncMask===r||(this.gl.stencilFunc(e,t,r),this.currentStencilFunc=e,this.currentStencilRef=t,this.currentStencilFuncMask=r)}setStencilOp(e,t,r){this.currentStencilFail===e&&this.currentStencilZFail===t&&this.currentStencilZPass===r||(this.gl.stencilOp(e,t,r),this.currentStencilFail=e,this.currentStencilZFail=t,this.currentStencilZPass=r)}setMaterial(e,t,r){const{gl:s}=this;e.side===P?this.disable(s.CULL_FACE):this.enable(s.CULL_FACE);let i=e.side===F;t&&(i=!i),this.setFlipSided(i),e.blending===tt&&!1===e.transparent?this.setBlending(re):this.setBlending(e.blending,e.blendEquation,e.blendSrc,e.blendDst,e.blendEquationAlpha,e.blendSrcAlpha,e.blendDstAlpha,e.premultipliedAlpha),this.setDepthFunc(e.depthFunc),this.setDepthTest(e.depthTest),this.setDepthMask(e.depthWrite),this.setColorMask(e.colorWrite);const n=e.stencilWrite;if(this.setStencilTest(n),n&&(this.setStencilMask(e.stencilWriteMask),this.setStencilFunc(e.stencilFunc,e.stencilRef,e.stencilFuncMask),this.setStencilOp(e.stencilFail,e.stencilZFail,e.stencilZPass)),this.setPolygonOffset(e.polygonOffset,e.polygonOffsetFactor,e.polygonOffsetUnits),!0===e.alphaToCoverage&&this.backend.renderer.currentSamples>0?this.enable(s.SAMPLE_ALPHA_TO_COVERAGE):this.disable(s.SAMPLE_ALPHA_TO_COVERAGE),r>0&&this.currentClippingPlanes!==r){const e=12288;for(let t=0;t<8;t++)t<r?this.enable(e+t):this.disable(e+t)}}setPolygonOffset(e,t,r){const{gl:s}=this;e?(this.enable(s.POLYGON_OFFSET_FILL),this.currentPolygonOffsetFactor===t&&this.currentPolygonOffsetUnits===r||(s.polygonOffset(t,r),this.currentPolygonOffsetFactor=t,this.currentPolygonOffsetUnits=r)):this.disable(s.POLYGON_OFFSET_FILL)}useProgram(e){return this.currentProgram!==e&&(this.gl.useProgram(e),this.currentProgram=e,!0)}setVertexState(e,t=null){const r=this.gl;return(this.currentVAO!==e||this.currentIndex!==t)&&(r.bindVertexArray(e),null!==t&&r.bindBuffer(r.ELEMENT_ARRAY_BUFFER,t),this.currentVAO=e,this.currentIndex=t,!0)}resetVertexState(){const e=this.gl;e.bindVertexArray(null),e.bindBuffer(e.ELEMENT_ARRAY_BUFFER,null),this.currentVAO=null,this.currentIndex=null}bindFramebuffer(e,t){const{gl:r,currentBoundFramebuffers:s}=this;return s[e]!==t&&(r.bindFramebuffer(e,t),s[e]=t,e===r.DRAW_FRAMEBUFFER&&(s[r.FRAMEBUFFER]=t),e===r.FRAMEBUFFER&&(s[r.DRAW_FRAMEBUFFER]=t),!0)}drawBuffers(e,t){const{gl:r}=this;let s=[],i=!1;if(null!==e.textures){s=this.currentDrawbuffers.get(t),void 0===s&&(s=[],this.currentDrawbuffers.set(t,s));const n=e.textures;if(s.length!==n.length||s[0]!==r.COLOR_ATTACHMENT0){for(let e=0,t=n.length;e<t;e++)s[e]=r.COLOR_ATTACHMENT0+e;s.length=n.length,i=!0}}else s[0]!==r.BACK&&(s[0]=r.BACK,i=!0);i&&r.drawBuffers(s)}activeTexture(e){const{gl:t,currentTextureSlot:r,maxTextures:s}=this;void 0===e&&(e=t.TEXTURE0+s-1),r!==e&&(t.activeTexture(e),this.currentTextureSlot=e)}bindTexture(e,t,r){const{gl:s,currentTextureSlot:i,currentBoundTextures:n,maxTextures:a}=this;void 0===r&&(r=null===i?s.TEXTURE0+a-1:i);let o=n[r];void 0===o&&(o={type:void 0,texture:void 0},n[r]=o),o.type===e&&o.texture===t||(i!==r&&(s.activeTexture(r),this.currentTextureSlot=r),s.bindTexture(e,t),o.type=e,o.texture=t)}bindBufferBase(e,t,r){const{gl:s}=this,i=`${e}-${t}`;return this.currentBoundBufferBases[i]!==r&&(s.bindBufferBase(e,t,r),this.currentBoundBufferBases[i]=r,!0)}unbindTexture(){const{gl:e,currentTextureSlot:t,currentBoundTextures:r}=this,s=r[t];void 0!==s&&void 0!==s.type&&(e.bindTexture(s.type,null),s.type=void 0,s.texture=void 0)}getParameter(e){const{gl:t,parameters:r}=this;return void 0!==r[e]?r[e]:t.getParameter(e)}pixelStorei(e,t){const{gl:r,parameters:s}=this;s[e]!==t&&(r.pixelStorei(e,t),s[e]=t)}}class uE{constructor(e){this.backend=e,this.gl=this.backend.gl,this.extensions=e.extensions}convert(e,t=T){const{gl:r,extensions:s}=this;let i;const n=p.getTransfer(t);if(e===Ve)return r.UNSIGNED_BYTE;if(e===Ke)return r.UNSIGNED_SHORT_4_4_4_4;if(e===Qe)return r.UNSIGNED_SHORT_5_5_5_1;if(e===Je)return r.UNSIGNED_INT_5_9_9_9_REV;if(e===et)return r.UNSIGNED_INT_10F_11F_11F_REV;if(e===Ie)return r.BYTE;if(e===ke)return r.SHORT;if(e===Ge)return r.UNSIGNED_SHORT;if(e===R)return r.INT;if(e===S)return r.UNSIGNED_INT;if(e===Y)return r.FLOAT;if(e===Te)return r.HALF_FLOAT;if(e===$e)return r.ALPHA;if(e===Xe)return r.RGB;if(e===Ee)return r.RGBA;if(e===He)return r.DEPTH_COMPONENT;if(e===je)return r.DEPTH_STENCIL;if(e===ze)return r.RED;if(e===We)return r.RED_INTEGER;if(e===z)return r.RG;if(e===qe)return r.RG_INTEGER;if(e===Ft)return r.RGBA_INTEGER;if(e===or||e===ur||e===lr||e===dr)if(n===g){if(i=s.get("WEBGL_compressed_texture_s3tc_srgb"),null===i)return null;if(e===or)return i.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(e===ur)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(e===lr)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(e===dr)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(i=s.get("WEBGL_compressed_texture_s3tc"),null===i)return null;if(e===or)return i.COMPRESSED_RGB_S3TC_DXT1_EXT;if(e===ur)return i.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(e===lr)return i.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(e===dr)return i.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(e===cr||e===hr||e===pr||e===gr){if(i=s.get("WEBGL_compressed_texture_pvrtc"),null===i)return null;if(e===cr)return i.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(e===hr)return i.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(e===pr)return i.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(e===gr)return i.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(e===mr||e===fr||e===yr||e===br||e===xr||e===H||e===Tr){if(i=s.get("WEBGL_compressed_texture_etc"),null===i)return null;if(e===mr||e===fr)return n===g?i.COMPRESSED_SRGB8_ETC2:i.COMPRESSED_RGB8_ETC2;if(e===yr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:i.COMPRESSED_RGBA8_ETC2_EAC;if(e===br)return i.COMPRESSED_R11_EAC;if(e===xr)return i.COMPRESSED_SIGNED_R11_EAC;if(e===H)return i.COMPRESSED_RG11_EAC;if(e===Tr)return i.COMPRESSED_SIGNED_RG11_EAC}if(e===_r||e===vr||e===Nr||e===Sr||e===Rr||e===Er||e===wr||e===Ar||e===Cr||e===Mr||e===Br||e===Lr||e===Fr||e===Pr){if(i=s.get("WEBGL_compressed_texture_astc"),null===i)return null;if(e===_r)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:i.COMPRESSED_RGBA_ASTC_4x4_KHR;if(e===vr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:i.COMPRESSED_RGBA_ASTC_5x4_KHR;if(e===Nr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:i.COMPRESSED_RGBA_ASTC_5x5_KHR;if(e===Sr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:i.COMPRESSED_RGBA_ASTC_6x5_KHR;if(e===Rr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:i.COMPRESSED_RGBA_ASTC_6x6_KHR;if(e===Er)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:i.COMPRESSED_RGBA_ASTC_8x5_KHR;if(e===wr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:i.COMPRESSED_RGBA_ASTC_8x6_KHR;if(e===Ar)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:i.COMPRESSED_RGBA_ASTC_8x8_KHR;if(e===Cr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:i.COMPRESSED_RGBA_ASTC_10x5_KHR;if(e===Mr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:i.COMPRESSED_RGBA_ASTC_10x6_KHR;if(e===Br)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:i.COMPRESSED_RGBA_ASTC_10x8_KHR;if(e===Lr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:i.COMPRESSED_RGBA_ASTC_10x10_KHR;if(e===Fr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:i.COMPRESSED_RGBA_ASTC_12x10_KHR;if(e===Pr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:i.COMPRESSED_RGBA_ASTC_12x12_KHR}if(e===Ur||e===Dr||e===Or){if(i=s.get("EXT_texture_compression_bptc"),null===i)return null;if(e===Ur)return n===g?i.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:i.COMPRESSED_RGBA_BPTC_UNORM_EXT;if(e===Dr)return i.COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT;if(e===Or)return i.COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT}if(e===Ir||e===Vr||e===W||e===kr){if(i=s.get("EXT_texture_compression_rgtc"),null===i)return null;if(e===Ir)return i.COMPRESSED_RED_RGTC1_EXT;if(e===Vr)return i.COMPRESSED_SIGNED_RED_RGTC1_EXT;if(e===W)return i.COMPRESSED_RED_GREEN_RGTC2_EXT;if(e===kr)return i.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT}return e===Ze?r.UNSIGNED_INT_24_8:void 0!==r[e]?r[e]:null}_clientWaitAsync(){const{gl:e}=this,t=e.fenceSync(e.SYNC_GPU_COMMANDS_COMPLETE,0);return e.flush(),new Promise((r,s)=>{!function i(){const n=e.clientWaitSync(t,e.SYNC_FLUSH_COMMANDS_BIT,0);if(n===e.WAIT_FAILED)return e.deleteSync(t),void s();n!==e.TIMEOUT_EXPIRED?(e.deleteSync(t),r()):requestAnimationFrame(i)}()})}}let lE,dE,cE,hE=!1;class pE{constructor(e){this.backend=e,this.gl=e.gl,this.extensions=e.extensions,this.defaultTextures={},this._srcFramebuffer=null,this._dstFramebuffer=null,!1===hE&&(this._init(),hE=!0)}_init(){const e=this.gl;lE={[$r]:e.REPEAT,[_e]:e.CLAMP_TO_EDGE,[Gr]:e.MIRRORED_REPEAT},dE={[B]:e.NEAREST,[zr]:e.NEAREST_MIPMAP_NEAREST,[bt]:e.NEAREST_MIPMAP_LINEAR,[le]:e.LINEAR,[yt]:e.LINEAR_MIPMAP_NEAREST,[Q]:e.LINEAR_MIPMAP_LINEAR},cE={[qr]:e.NEVER,[jr]:e.ALWAYS,[w]:e.LESS,[A]:e.LEQUAL,[Hr]:e.EQUAL,[M]:e.GEQUAL,[C]:e.GREATER,[Wr]:e.NOTEQUAL}}getGLTextureType(e){const{gl:t}=this;let r;return r=!0===e.isCubeTexture?t.TEXTURE_CUBE_MAP:!0===e.isArrayTexture||!0===e.isDataArrayTexture||!0===e.isCompressedArrayTexture?t.TEXTURE_2D_ARRAY:!0===e.isData3DTexture?t.TEXTURE_3D:t.TEXTURE_2D,r}getInternalFormat(e,t,r,s,i,n=!1){const{gl:a,extensions:o}=this;if(null!==e){if(void 0!==a[e])return a[e];d("WebGLBackend: Attempt to use non-existing WebGL internal format '"+e+"'")}let u=null;s&&(u=o.get("EXT_texture_norm16"),u||d("WebGLRenderer: Unable to use normalized textures without EXT_texture_norm16 extension"));let l=t;if(t===a.RED&&(r===a.FLOAT&&(l=a.R32F),r===a.HALF_FLOAT&&(l=a.R16F),r===a.UNSIGNED_BYTE&&(l=a.R8),r===a.BYTE&&(l=a.R8_SNORM),r===a.UNSIGNED_SHORT&&u&&(l=u.R16_EXT),r===a.SHORT&&u&&(l=u.R16_SNORM_EXT)),t===a.RED_INTEGER&&(r===a.UNSIGNED_BYTE&&(l=a.R8UI),r===a.UNSIGNED_SHORT&&(l=a.R16UI),r===a.UNSIGNED_INT&&(l=a.R32UI),r===a.BYTE&&(l=a.R8I),r===a.SHORT&&(l=a.R16I),r===a.INT&&(l=a.R32I)),t===a.RG&&(r===a.FLOAT&&(l=a.RG32F),r===a.HALF_FLOAT&&(l=a.RG16F),r===a.UNSIGNED_BYTE&&(l=a.RG8),r===a.BYTE&&(l=a.RG8_SNORM),r===a.UNSIGNED_SHORT&&u&&(l=u.RG16_EXT),r===a.SHORT&&u&&(l=u.RG16_SNORM_EXT)),t===a.RG_INTEGER&&(r===a.UNSIGNED_BYTE&&(l=a.RG8UI),r===a.UNSIGNED_SHORT&&(l=a.RG16UI),r===a.UNSIGNED_INT&&(l=a.RG32UI),r===a.BYTE&&(l=a.RG8I),r===a.SHORT&&(l=a.RG16I),r===a.INT&&(l=a.RG32I)),t===a.RGB){const e=n?Xr:p.getTransfer(i);r===a.FLOAT&&(l=a.RGB32F),r===a.HALF_FLOAT&&(l=a.RGB16F),r===a.UNSIGNED_BYTE&&(l=e===g?a.SRGB8:a.RGB8),r===a.BYTE&&(l=a.RGB8_SNORM),r===a.UNSIGNED_SHORT&&u&&(l=u.RGB16_EXT),r===a.SHORT&&u&&(l=u.RGB16_SNORM_EXT),r===a.UNSIGNED_SHORT_5_6_5&&(l=a.RGB565),r===a.UNSIGNED_SHORT_5_5_5_1&&(l=a.RGB5_A1),r===a.UNSIGNED_SHORT_4_4_4_4&&(l=a.RGB4),r===a.UNSIGNED_INT_5_9_9_9_REV&&(l=a.RGB9_E5),r===a.UNSIGNED_INT_10F_11F_11F_REV&&(l=a.R11F_G11F_B10F)}if(t===a.RGB_INTEGER&&(r===a.UNSIGNED_BYTE&&(l=a.RGB8UI),r===a.UNSIGNED_SHORT&&(l=a.RGB16UI),r===a.UNSIGNED_INT&&(l=a.RGB32UI),r===a.BYTE&&(l=a.RGB8I),r===a.SHORT&&(l=a.RGB16I),r===a.INT&&(l=a.RGB32I)),t===a.RGBA){const e=n?Xr:p.getTransfer(i);r===a.FLOAT&&(l=a.RGBA32F),r===a.HALF_FLOAT&&(l=a.RGBA16F),r===a.UNSIGNED_BYTE&&(l=e===g?a.SRGB8_ALPHA8:a.RGBA8),r===a.BYTE&&(l=a.RGBA8_SNORM),r===a.UNSIGNED_SHORT&&u&&(l=u.RGBA16_EXT),r===a.SHORT&&u&&(l=u.RGBA16_SNORM_EXT),r===a.UNSIGNED_SHORT_4_4_4_4&&(l=a.RGBA4),r===a.UNSIGNED_SHORT_5_5_5_1&&(l=a.RGB5_A1)}return t===a.RGBA_INTEGER&&(r===a.UNSIGNED_BYTE&&(l=a.RGBA8UI),r===a.UNSIGNED_SHORT&&(l=a.RGBA16UI),r===a.UNSIGNED_INT&&(l=a.RGBA32UI),r===a.BYTE&&(l=a.RGBA8I),r===a.SHORT&&(l=a.RGBA16I),r===a.INT&&(l=a.RGBA32I)),t===a.DEPTH_COMPONENT&&(r===a.UNSIGNED_SHORT&&(l=a.DEPTH_COMPONENT16),r===a.UNSIGNED_INT&&(l=a.DEPTH_COMPONENT24),r===a.FLOAT&&(l=a.DEPTH_COMPONENT32F)),t===a.DEPTH_STENCIL&&r===a.UNSIGNED_INT_24_8&&(l=a.DEPTH24_STENCIL8),l!==a.R16F&&l!==a.R32F&&l!==a.RG16F&&l!==a.RG32F&&l!==a.RGBA16F&&l!==a.RGBA32F||o.get("EXT_color_buffer_float"),l}setTextureParameters(e,t){const{gl:r,extensions:s,backend:i}=this,{state:n}=this.backend,a=p.getPrimaries(p.workingColorSpace),o=t.colorSpace===T?null:p.getPrimaries(t.colorSpace),u=t.colorSpace===T||a===o?r.NONE:r.BROWSER_DEFAULT_WEBGL;n.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,t.flipY),n.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),n.pixelStorei(r.UNPACK_ALIGNMENT,t.unpackAlignment),n.pixelStorei(r.UNPACK_COLORSPACE_CONVERSION_WEBGL,u),r.texParameteri(e,r.TEXTURE_WRAP_S,lE[t.wrapS]),r.texParameteri(e,r.TEXTURE_WRAP_T,lE[t.wrapT]),e!==r.TEXTURE_3D&&e!==r.TEXTURE_2D_ARRAY||t.isArrayTexture||r.texParameteri(e,r.TEXTURE_WRAP_R,lE[t.wrapR]),r.texParameteri(e,r.TEXTURE_MAG_FILTER,dE[t.magFilter]);const l=void 0!==t.mipmaps&&t.mipmaps.length>0,d=t.minFilter===le&&l?Q:t.minFilter;if(r.texParameteri(e,r.TEXTURE_MIN_FILTER,dE[d]),t.compareFunction&&(r.texParameteri(e,r.TEXTURE_COMPARE_MODE,r.COMPARE_REF_TO_TEXTURE),r.texParameteri(e,r.TEXTURE_COMPARE_FUNC,cE[t.compareFunction])),!0===s.has("EXT_texture_filter_anisotropic")){if(t.magFilter===B)return;if(t.minFilter!==bt&&t.minFilter!==Q)return;if(t.type===Y&&!1===s.has("OES_texture_float_linear"))return;if(t.anisotropy>1){const n=s.get("EXT_texture_filter_anisotropic");r.texParameterf(e,n.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(t.anisotropy,i.capabilities.getMaxAnisotropy()))}}}createDefaultTexture(e){const{gl:t,backend:r,defaultTextures:s}=this,i=this.getGLTextureType(e);let n=s[i];void 0===n&&(n=t.createTexture(),r.state.bindTexture(i,n),t.texParameteri(i,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(i,t.TEXTURE_MAG_FILTER,t.NEAREST),s[i]=n),r.set(e,{textureGPU:n,glTextureType:i})}createTexture(e,t){const{gl:r,backend:s}=this,{levels:i,width:n,height:a,depth:o}=t,u=s.utils.convert(e.format,e.colorSpace),l=s.utils.convert(e.type),d=this.getInternalFormat(e.internalFormat,u,l,e.normalized,e.colorSpace,e.isVideoTexture),c=r.createTexture(),h=this.getGLTextureType(e);s.state.bindTexture(h,c),this.setTextureParameters(h,e),e.isArrayTexture||e.isDataArrayTexture||e.isCompressedArrayTexture?r.texStorage3D(r.TEXTURE_2D_ARRAY,i,d,n,a,o):e.isData3DTexture?r.texStorage3D(r.TEXTURE_3D,i,d,n,a,o):e.isVideoTexture||r.texStorage2D(h,i,d,n,a),s.set(e,{textureGPU:c,glTextureType:h,glFormat:u,glType:l,glInternalFormat:d})}copyBufferToTexture(e,t){const{gl:r,backend:s}=this,{state:i}=s,{textureGPU:n,glTextureType:a,glFormat:o,glType:u}=s.get(t),{width:l,height:d}=t.source.data;r.bindBuffer(r.PIXEL_UNPACK_BUFFER,e),s.state.bindTexture(a,n),i.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,!1),i.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1),r.texSubImage2D(a,0,0,0,l,d,o,u,0),r.bindBuffer(r.PIXEL_UNPACK_BUFFER,null),s.state.unbindTexture()}updateTexture(e,t){const{gl:r}=this,{width:s,height:i}=t,{textureGPU:n,glTextureType:a,glFormat:o,glType:u,glInternalFormat:l}=this.backend.get(e);if(!e.isRenderTargetTexture&&void 0!==n)if(this.backend.state.bindTexture(a,n),this.setTextureParameters(a,e),e.isCompressedTexture){const s=e.mipmaps,i=t.image;for(let t=0;t<s.length;t++){const n=s[t];e.isCompressedArrayTexture?e.format!==r.RGBA?null!==o?r.compressedTexSubImage3D(r.TEXTURE_2D_ARRAY,t,0,0,0,n.width,n.height,i.depth,o,n.data):d("WebGLBackend: Attempt to load unsupported compressed texture format in .uploadTexture()"):r.texSubImage3D(r.TEXTURE_2D_ARRAY,t,0,0,0,n.width,n.height,i.depth,o,u,n.data):null!==o?r.compressedTexSubImage2D(r.TEXTURE_2D,t,0,0,n.width,n.height,o,n.data):d("WebGLBackend: Unsupported compressed texture format")}}else if(e.isCubeTexture){const n=t.images,a=e.mipmaps;for(let e=0;e<6;e++){const t=gE(n[e]);r.texSubImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,0,0,s,i,o,u,t);for(let t=0;t<a.length;t++){const s=gE(a[t].images[e]);r.texSubImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+e,t+1,0,0,s.width,s.height,o,u,s)}}}else if(e.isDataArrayTexture||e.isArrayTexture){const s=t.image;if(e.layerUpdates.size>0){const t=Yr(s.width,s.height,e.format,e.type);for(const i of e.layerUpdates){const e=s.data.subarray(i*t/s.data.BYTES_PER_ELEMENT,(i+1)*t/s.data.BYTES_PER_ELEMENT);r.texSubImage3D(r.TEXTURE_2D_ARRAY,0,0,0,i,s.width,s.height,1,o,u,e)}e.clearLayerUpdates()}else r.texSubImage3D(r.TEXTURE_2D_ARRAY,0,0,0,0,s.width,s.height,s.depth,o,u,s.data)}else if(e.isData3DTexture){const e=t.image;r.texSubImage3D(r.TEXTURE_3D,0,0,0,0,e.width,e.height,e.depth,o,u,e.data)}else if(e.isVideoTexture)e.update(),r.texImage2D(a,0,l,o,u,t.image);else if(e.isHTMLTexture)"function"==typeof r.texElementImage2D&&r.texElementImage2D(r.TEXTURE_2D,0,r.RGBA,r.RGBA,r.UNSIGNED_BYTE,t.image);else{const n=e.mipmaps;if(n.length>0)for(let e=0,t=n.length;e<t;e++){const t=n[e],s=gE(t);r.texSubImage2D(a,e,0,0,t.width,t.height,o,u,s)}else{const e=gE(t.image);r.texSubImage2D(a,0,0,0,s,i,o,u,e)}}}generateMipmaps(e){const{gl:t,backend:r}=this,{textureGPU:s,glTextureType:i}=r.get(e);r.state.bindTexture(i,s),t.generateMipmap(i)}deallocateRenderBuffers(e){const{gl:t,backend:r}=this;if(e){const s=r.get(e);if(s.renderBufferStorageSetup=void 0,s.framebuffers){for(const e in s.framebuffers)t.deleteFramebuffer(s.framebuffers[e]);delete s.framebuffers}if(s.depthRenderbuffer&&(t.deleteRenderbuffer(s.depthRenderbuffer),delete s.depthRenderbuffer),s.stencilRenderbuffer&&(t.deleteRenderbuffer(s.stencilRenderbuffer),delete s.stencilRenderbuffer),s.msaaFrameBuffer&&(t.deleteFramebuffer(s.msaaFrameBuffer),delete s.msaaFrameBuffer),s.msaaRenderbuffers){for(let e=0;e<s.msaaRenderbuffers.length;e++)t.deleteRenderbuffer(s.msaaRenderbuffers[e]);delete s.msaaRenderbuffers}}}destroyTexture(e,t=!1){const{gl:r,backend:s}=this,{textureGPU:i,renderTarget:n}=s.get(e);this.deallocateRenderBuffers(n),!1===t&&r.deleteTexture(i),s.delete(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){const{gl:a,backend:o}=this,{state:u}=this.backend,{textureGPU:l,glTextureType:d,glType:c,glFormat:h}=o.get(t);let p,g,m,f,y,b,x,T,_;u.bindTexture(d,l);const v=e.isCompressedTexture?e.mipmaps[n]:e.image;if(null!==r)p=r.max.x-r.min.x,g=r.max.y-r.min.y,m=r.isBox3?r.max.z-r.min.z:1,f=r.min.x,y=r.min.y,b=r.isBox3?r.min.z:0;else{const t=Math.pow(2,-i);p=Math.floor(v.width*t),g=Math.floor(v.height*t),m=e.isDataArrayTexture||e.isArrayTexture?v.depth:e.isData3DTexture?Math.floor(v.depth*t):1,f=0,y=0,b=0}null!==s?(x=s.x,T=s.y,_=s.z):(x=0,T=0,_=0),u.pixelStorei(a.UNPACK_FLIP_Y_WEBGL,t.flipY),u.pixelStorei(a.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),u.pixelStorei(a.UNPACK_ALIGNMENT,t.unpackAlignment);const N=u.getParameter(a.UNPACK_ROW_LENGTH),S=u.getParameter(a.UNPACK_IMAGE_HEIGHT),R=u.getParameter(a.UNPACK_SKIP_PIXELS),E=u.getParameter(a.UNPACK_SKIP_ROWS),w=u.getParameter(a.UNPACK_SKIP_IMAGES);u.pixelStorei(a.UNPACK_ROW_LENGTH,v.width),u.pixelStorei(a.UNPACK_IMAGE_HEIGHT,v.height),u.pixelStorei(a.UNPACK_SKIP_PIXELS,f),u.pixelStorei(a.UNPACK_SKIP_ROWS,y),u.pixelStorei(a.UNPACK_SKIP_IMAGES,b);const A=e.isDataArrayTexture||e.isData3DTexture||t.isArrayTexture,C=t.isDataArrayTexture||t.isData3DTexture||t.isArrayTexture;if(e.isDepthTexture){const r=o.get(e),s=o.get(t),d=o.get(r.renderTarget),c=o.get(s.renderTarget),h=d.framebuffers[r.cacheKey],v=c.framebuffers[s.cacheKey];u.bindFramebuffer(a.READ_FRAMEBUFFER,h),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,v);for(let e=0;e<m;e++)A&&(a.framebufferTextureLayer(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,r.textureGPU,i,b+e),a.framebufferTextureLayer(a.DRAW_FRAMEBUFFER,a.COLOR_ATTACHMENT0,l,n,_+e)),a.blitFramebuffer(f,y,p,g,x,T,p,g,a.DEPTH_BUFFER_BIT,a.NEAREST);u.bindFramebuffer(a.READ_FRAMEBUFFER,null),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,null)}else if(0!==i||e.isRenderTargetTexture||o.has(e)){const t=o.get(e);null===this._srcFramebuffer&&(this._srcFramebuffer=a.createFramebuffer()),null===this._dstFramebuffer&&(this._dstFramebuffer=a.createFramebuffer()),u.bindFramebuffer(a.READ_FRAMEBUFFER,this._srcFramebuffer),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,this._dstFramebuffer);for(let e=0;e<m;e++)A?a.framebufferTextureLayer(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,t.textureGPU,i,b+e):a.framebufferTexture2D(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,a.TEXTURE_2D,t.textureGPU,i),C?a.framebufferTextureLayer(a.DRAW_FRAMEBUFFER,a.COLOR_ATTACHMENT0,l,n,_+e):a.framebufferTexture2D(a.DRAW_FRAMEBUFFER,a.COLOR_ATTACHMENT0,a.TEXTURE_2D,l,n),0!==i?a.blitFramebuffer(f,y,p,g,x,T,p,g,a.COLOR_BUFFER_BIT,a.NEAREST):C?a.copyTexSubImage3D(d,n,x,T,_+e,f,y,p,g):a.copyTexSubImage2D(d,n,x,T,f,y,p,g);u.bindFramebuffer(a.READ_FRAMEBUFFER,null),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,null)}else C?e.isDataTexture||e.isData3DTexture?a.texSubImage3D(d,n,x,T,_,p,g,m,h,c,v.data):t.isCompressedArrayTexture?a.compressedTexSubImage3D(d,n,x,T,_,p,g,m,h,v.data):a.texSubImage3D(d,n,x,T,_,p,g,m,h,c,v):e.isDataTexture?a.texSubImage2D(a.TEXTURE_2D,n,x,T,p,g,h,c,v.data):e.isCompressedTexture?a.compressedTexSubImage2D(a.TEXTURE_2D,n,x,T,v.width,v.height,h,v.data):a.texSubImage2D(a.TEXTURE_2D,n,x,T,p,g,h,c,v);u.pixelStorei(a.UNPACK_ROW_LENGTH,N),u.pixelStorei(a.UNPACK_IMAGE_HEIGHT,S),u.pixelStorei(a.UNPACK_SKIP_PIXELS,R),u.pixelStorei(a.UNPACK_SKIP_ROWS,E),u.pixelStorei(a.UNPACK_SKIP_IMAGES,w),0===n&&t.generateMipmaps&&a.generateMipmap(d),u.unbindTexture()}copyFramebufferToTexture(e,t,r){const{gl:s}=this,{state:i}=this.backend,{textureGPU:n}=this.backend.get(e),{x:a,y:o,z:u,w:l}=r,d=!0===e.isDepthTexture||t.renderTarget&&t.renderTarget.samples>0,c=t.renderTarget?t.renderTarget.height:this.backend.getDrawingBufferSize().y;if(d){const r=0!==a||0!==o;let d,h;if(!0===e.isDepthTexture?(d=s.DEPTH_BUFFER_BIT,h=s.DEPTH_ATTACHMENT,t.stencil&&(d|=s.STENCIL_BUFFER_BIT)):(d=s.COLOR_BUFFER_BIT,h=s.COLOR_ATTACHMENT0),r){const e=this.backend.get(t.renderTarget),r=e.framebuffers[t.getCacheKey()],h=e.msaaFrameBuffer;i.bindFramebuffer(s.DRAW_FRAMEBUFFER,r),i.bindFramebuffer(s.READ_FRAMEBUFFER,h);const p=c-o-l;s.blitFramebuffer(a,p,a+u,p+l,a,p,a+u,p+l,d,s.NEAREST),i.bindFramebuffer(s.READ_FRAMEBUFFER,r),i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,a,p,u,l),i.unbindTexture()}else{const e=s.createFramebuffer();i.bindFramebuffer(s.DRAW_FRAMEBUFFER,e),s.framebufferTexture2D(s.DRAW_FRAMEBUFFER,h,s.TEXTURE_2D,n,0),s.blitFramebuffer(0,0,u,l,0,0,u,l,d,s.NEAREST),s.deleteFramebuffer(e)}}else i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,a,c-l-o,u,l),i.unbindTexture();e.generateMipmaps&&this.generateMipmaps(e),this.backend._setFramebuffer(t)}setupRenderBufferStorage(e,t,r,s=!1){const{gl:i}=this,n=t.renderTarget,{depthTexture:a,depthBuffer:o,stencilBuffer:u,width:l,height:d}=n;if(i.bindRenderbuffer(i.RENDERBUFFER,e),o&&!u){let t=i.DEPTH_COMPONENT24;if(!0===s){this.extensions.get("WEBGL_multisampled_render_to_texture").renderbufferStorageMultisampleEXT(i.RENDERBUFFER,n.samples,t,l,d)}else r>0?(a&&a.isDepthTexture&&a.type===i.FLOAT&&(t=i.DEPTH_COMPONENT32F),i.renderbufferStorageMultisample(i.RENDERBUFFER,r,t,l,d)):i.renderbufferStorage(i.RENDERBUFFER,t,l,d);i.framebufferRenderbuffer(i.FRAMEBUFFER,i.DEPTH_ATTACHMENT,i.RENDERBUFFER,e)}else o&&u&&(r>0?i.renderbufferStorageMultisample(i.RENDERBUFFER,r,i.DEPTH24_STENCIL8,l,d):i.renderbufferStorage(i.RENDERBUFFER,i.DEPTH_STENCIL,l,d),i.framebufferRenderbuffer(i.FRAMEBUFFER,i.DEPTH_STENCIL_ATTACHMENT,i.RENDERBUFFER,e));i.bindRenderbuffer(i.RENDERBUFFER,null)}async copyTextureToBuffer(e,t,r,s,i,n){const{backend:a,gl:o}=this,{textureGPU:u,glFormat:l,glType:d}=this.backend.get(e),c=o.createFramebuffer();a.state.bindFramebuffer(o.READ_FRAMEBUFFER,c);const h=e.isCubeTexture?o.TEXTURE_CUBE_MAP_POSITIVE_X+n:o.TEXTURE_2D;o.framebufferTexture2D(o.READ_FRAMEBUFFER,o.COLOR_ATTACHMENT0,h,u,0);const p=this._getTypedArrayType(d),g=s*i*this._getBytesPerTexel(d,l),m=o.createBuffer();o.bindBuffer(o.PIXEL_PACK_BUFFER,m),o.bufferData(o.PIXEL_PACK_BUFFER,g,o.STREAM_READ),o.readPixels(t,r,s,i,l,d,0),o.bindBuffer(o.PIXEL_PACK_BUFFER,null),await a.utils._clientWaitAsync();const f=new p(g/p.BYTES_PER_ELEMENT);return o.bindBuffer(o.PIXEL_PACK_BUFFER,m),o.getBufferSubData(o.PIXEL_PACK_BUFFER,0,f),o.bindBuffer(o.PIXEL_PACK_BUFFER,null),a.state.bindFramebuffer(o.READ_FRAMEBUFFER,null),o.deleteFramebuffer(c),f}_getTypedArrayType(e){const{gl:t}=this;if(e===t.UNSIGNED_BYTE)return Uint8Array;if(e===t.UNSIGNED_SHORT_4_4_4_4)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_5_5_1)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_6_5)return Uint16Array;if(e===t.UNSIGNED_SHORT)return Uint16Array;if(e===t.UNSIGNED_INT)return Uint32Array;if(e===t.HALF_FLOAT)return Uint16Array;if(e===t.FLOAT)return Float32Array;throw new Error(`THREE.WebGLTextureUtils: Unsupported WebGL type: ${e}`)}_getBytesPerTexel(e,t){const{gl:r}=this;let s=0;return e===r.UNSIGNED_BYTE&&(s=1),e!==r.UNSIGNED_SHORT_4_4_4_4&&e!==r.UNSIGNED_SHORT_5_5_5_1&&e!==r.UNSIGNED_SHORT_5_6_5&&e!==r.UNSIGNED_SHORT&&e!==r.HALF_FLOAT||(s=2),e!==r.UNSIGNED_INT&&e!==r.FLOAT||(s=4),t===r.RGBA?4*s:t===r.RGB?3*s:t===r.ALPHA?s:void 0}dispose(){const{gl:e}=this;null!==this._srcFramebuffer&&e.deleteFramebuffer(this._srcFramebuffer),null!==this._dstFramebuffer&&e.deleteFramebuffer(this._dstFramebuffer)}}function gE(e){return e.isDataTexture?e.image.data:"undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap||"undefined"!=typeof OffscreenCanvas&&e instanceof OffscreenCanvas?e:e.data}class mE{constructor(e){this.backend=e,this.gl=this.backend.gl,this.availableExtensions=this.gl.getSupportedExtensions(),this.extensions={}}get(e){let t=this.extensions[e];return void 0===t&&(t=this.gl.getExtension(e),this.extensions[e]=t),t}has(e){return this.availableExtensions.includes(e)}}class fE{constructor(e){this.backend=e,this.maxAnisotropy=null,this.maxUniformBlockSize=null}getMaxAnisotropy(){if(null!==this.maxAnisotropy)return this.maxAnisotropy;const e=this.backend.gl,t=this.backend.extensions;if(!0===t.has("EXT_texture_filter_anisotropic")){const r=t.get("EXT_texture_filter_anisotropic");this.maxAnisotropy=e.getParameter(r.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else this.maxAnisotropy=0;return this.maxAnisotropy}getUniformBufferLimit(){if(null!==this.maxUniformBlockSize)return this.maxUniformBlockSize;const e=this.backend.gl;return this.maxUniformBlockSize=e.getParameter(e.MAX_UNIFORM_BLOCK_SIZE),this.maxUniformBlockSize}}const yE={WEBGL_multi_draw:"WEBGL_multi_draw",WEBGL_compressed_texture_astc:"texture-compression-astc",WEBGL_compressed_texture_etc:"texture-compression-etc2",WEBGL_compressed_texture_etc1:"texture-compression-etc1",WEBGL_compressed_texture_pvrtc:"texture-compression-pvrtc",WEBGL_compressed_texture_s3tc:"texture-compression-s3tc",EXT_texture_compression_bptc:"texture-compression-bc",EXT_disjoint_timer_query_webgl2:"timestamp-query",OVR_multiview2:"OVR_multiview2"};class bE{constructor(e){this.gl=e.gl,this.extensions=e.extensions,this.info=e.renderer.info,this.mode=null,this.index=0,this.type=null,this.object=null}render(e,t){const{gl:r,mode:s,object:i,type:n,info:a,index:o}=this;0!==o?r.drawElements(s,t,n,e):r.drawArrays(s,e,t),a.update(i,t,1)}renderInstances(e,t,r){const{gl:s,mode:i,type:n,index:a,object:o,info:u}=this;0!==r&&(0!==a?s.drawElementsInstanced(i,t,n,e,r):s.drawArraysInstanced(i,e,t,r),u.update(o,t,r))}renderMultiDraw(e,t,r){const{extensions:s,mode:i,object:n,info:a}=this;if(0===r)return;const o=s.get("WEBGL_multi_draw");if(null===o)for(let s=0;s<r;s++)this.render(e[s],t[s]);else{0!==this.index?o.multiDrawElementsWEBGL(i,t,0,this.type,e,0,r):o.multiDrawArraysWEBGL(i,e,0,t,0,r);let s=0;for(let e=0;e<r;e++)s+=t[e];a.update(n,s,1)}}}class xE{constructor(e=256){this.trackTimestamp=!0,this.maxQueries=e,this.currentQueryIndex=0,this.queryOffsets=new Map,this.isDisposed=!1,this.lastValue=0,this.frames=[],this.pendingResolve=!1,this.timestamps=new Map}getTimestampFrames(){return this.frames}getTimestamp(e){let t=this.timestamps.get(e);return void 0===t&&(d(`TimestampQueryPool: No timestamp available for uid ${e}.`),t=0),t}hasTimestamp(e){return this.timestamps.has(e)}allocateQueriesForContext(){}async resolveQueriesAsync(){}dispose(){}}class TE extends xE{constructor(e,t,r=2048){if(super(r),this.gl=e,this.type=t,this.ext=e.getExtension("EXT_disjoint_timer_query_webgl2")||e.getExtension("EXT_disjoint_timer_query"),!this.ext)return d("EXT_disjoint_timer_query not supported; timestamps will be disabled."),void(this.trackTimestamp=!1);this.queries=[];for(let t=0;t<this.maxQueries;t++)this.queries.push(e.createQuery());this.activeQuery=null,this.queryStates=new Map}allocateQueriesForContext(e){if(!this.trackTimestamp)return null;if(this.currentQueryIndex+2>this.maxQueries)return v(`WebGLTimestampQueryPool [${this.type}]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${this.type.toUpperCase()} ).`),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryStates.set(t,"inactive"),this.queryOffsets.set(e,t),t}beginQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e);if(null==t)return;if(null!==this.activeQuery)return;const r=this.queries[t];if(r)try{"inactive"===this.queryStates.get(t)&&(this.gl.beginQuery(this.ext.TIME_ELAPSED_EXT,r),this.activeQuery=t,this.queryStates.set(t,"started"))}catch(e){o("Error in beginQuery:",e),this.activeQuery=null,this.queryStates.set(t,"inactive")}}endQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e);if(null!=t&&this.activeQuery===t)try{this.gl.endQuery(this.ext.TIME_ELAPSED_EXT),this.queryStates.set(t,"ended"),this.activeQuery=null}catch(e){o("Error in endQuery:",e),this.queryStates.set(t,"inactive"),this.activeQuery=null}}async resolveQueriesAsync(){if(!this.trackTimestamp||this.pendingResolve)return this.lastValue;this.pendingResolve=!0;try{const e=new Map;for(const[t,r]of this.queryOffsets){if("ended"===this.queryStates.get(r)){const s=this.queries[r];e.set(t,this.resolveQuery(s))}}if(0===e.size)return this.lastValue;const t={},r=[];for(const[s,i]of e){const e=s.match(/^(.*):f(\d+)$/),n=parseInt(e[2]);!1===r.includes(n)&&r.push(n),void 0===t[n]&&(t[n]=0);const a=await i;this.timestamps.set(s,a),t[n]+=a}const s=t[r[r.length-1]];return this.lastValue=s,this.frames=r,this.currentQueryIndex=0,this.queryOffsets.clear(),this.queryStates.clear(),this.activeQuery=null,s}catch(e){return o("Error resolving queries:",e),this.lastValue}finally{this.pendingResolve=!1}}async resolveQuery(e){return new Promise(t=>{if(this.isDisposed)return void t(this.lastValue);let r,s=!1;const i=e=>{s||(s=!0,r&&(clearTimeout(r),r=null),t(e))},n=()=>{if(this.isDisposed)i(this.lastValue);else try{if(this.gl.getParameter(this.ext.GPU_DISJOINT_EXT))return void i(this.lastValue);if(!this.gl.getQueryParameter(e,this.gl.QUERY_RESULT_AVAILABLE))return void(r=setTimeout(n,1));const s=this.gl.getQueryParameter(e,this.gl.QUERY_RESULT);t(Number(s)/1e6)}catch(e){o("Error checking query:",e),t(this.lastValue)}};n()})}dispose(){if(!this.isDisposed&&(this.isDisposed=!0,this.trackTimestamp)){for(const e of this.queries)this.gl.deleteQuery(e);this.queries=[],this.queryStates.clear(),this.queryOffsets.clear(),this.lastValue=0,this.activeQuery=null}}}class _E extends tE{constructor(e={}){super(e),this.isWebGLBackend=!0,this.attributeUtils=null,this.extensions=null,this.capabilities=null,this.textureUtils=null,this.bufferRenderer=null,this.gl=null,this.state=null,this.utils=null,this.vaoCache={},this.transformFeedbackCache={},this.discard=!1,this.disjoint=null,this.parallel=null,this._currentContext=null,this._knownBindings=new WeakSet,this._supportsInvalidateFramebuffer="undefined"!=typeof navigator&&/OculusBrowser/g.test(navigator.userAgent),this._xrFramebuffer=null}init(e){super.init(e);const t=this.parameters,r={antialias:e.currentSamples>0,alpha:!0,depth:e.depth,stencil:e.stencil},s=void 0!==t.context?t.context:e.domElement.getContext("webgl2",r);function i(t){t.preventDefault();const r={api:"WebGL",message:t.statusMessage||"Unknown reason",reason:null,originalEvent:t};e.onDeviceLost(r)}this._onContextLost=i,e.domElement.addEventListener("webglcontextlost",i,!1),this.gl=s,this.extensions=new mE(this),this.capabilities=new fE(this),this.attributeUtils=new aE(this),this.textureUtils=new pE(this),this.bufferRenderer=new bE(this),this.state=new oE(this),this.utils=new uE(this),this.extensions.get("EXT_color_buffer_float"),this.extensions.get("WEBGL_clip_cull_distance"),this.extensions.get("OES_texture_float_linear"),this.extensions.get("EXT_color_buffer_half_float"),this.extensions.get("WEBGL_multisampled_render_to_texture"),this.extensions.get("WEBGL_render_shared_exponent"),this.extensions.get("WEBGL_multi_draw"),this.extensions.get("OVR_multiview2"),this.extensions.get("EXT_clip_control"),this.disjoint=this.extensions.get("EXT_disjoint_timer_query_webgl2"),this.parallel=this.extensions.get("KHR_parallel_shader_compile"),this.drawBuffersIndexedExt=this.extensions.get("OES_draw_buffers_indexed"),t.reversedDepthBuffer&&(this.extensions.has("EXT_clip_control")?e.reversedDepthBuffer=!0:(d("WebGPURenderer: Unable to use reversed depth buffer due to missing EXT_clip_control extension. Fallback to default depth buffer."),e.reversedDepthBuffer=!1)),e.reversedDepthBuffer&&this.state.setReversedDepth(!0)}get coordinateSystem(){return c}async getArrayBufferAsync(e,t=null,r=0,s=-1){return await this.attributeUtils.getArrayBufferAsync(e,t,r,s)}async makeXRCompatible(){!0!==this.gl.getContextAttributes().xrCompatible&&await this.gl.makeXRCompatible()}setXRTarget(e){this._xrFramebuffer=e}setXRRenderTargetTextures(e,t,r=null){const s=this.gl;if(this.set(e.texture,{textureGPU:t,glInternalFormat:s.RGBA8}),null!==r){const t=e.stencilBuffer?s.DEPTH24_STENCIL8:s.DEPTH_COMPONENT24;this.set(e.depthTexture,{textureGPU:r,glInternalFormat:t}),!0===this.extensions.has("WEBGL_multisampled_render_to_texture")&&!0===e._autoAllocateDepthBuffer&&!1===e.multiview&&d("WebGLBackend: Render-to-texture extension was disabled because an external texture was provided"),e._autoAllocateDepthBuffer=!1}}initTimestampQuery(e,t){if(!this.disjoint||!this.trackTimestamp)return;this.timestampQueryPool[e]||(this.timestampQueryPool[e]=new TE(this.gl,e,2048));const r=this.timestampQueryPool[e];null!==r.allocateQueriesForContext(t)&&r.beginQuery(t)}prepareTimestampBuffer(e,t){if(!this.disjoint||!this.trackTimestamp)return;this.timestampQueryPool[e].endQuery(t)}getContext(){return this.gl}beginRender(e){const{state:t}=this,r=this.get(e);if(e.viewport)this.updateViewport(e);else{const{width:e,height:r}=this.getDrawingBufferSize();t.viewport(0,0,e,r)}if(e.scissor)this.updateScissor(e);else{const{width:e,height:r}=this.getDrawingBufferSize();t.scissor(0,0,e,r)}this.initTimestampQuery(Pt.RENDER,this.getTimestampUID(e)),r.previousContext=this._currentContext,this._currentContext=e,this._setFramebuffer(e),this.clear(e.clearColor,e.clearDepth,e.clearStencil,e,!1);const s=e.occlusionQueryCount;s>0&&(r.currentOcclusionQueries=r.occlusionQueries,r.currentOcclusionQueryObjects=r.occlusionQueryObjects,r.lastOcclusionObject=null,r.occlusionQueries=new Array(s),r.occlusionQueryObjects=new Array(s),r.occlusionQueryIndex=0)}finishRender(e){const{gl:t,state:r}=this,s=this.get(e),i=s.previousContext;r.resetVertexState();const n=e.occlusionQueryCount;n>0&&(n>s.occlusionQueryIndex&&t.endQuery(t.ANY_SAMPLES_PASSED),this.resolveOccludedAsync(e));const a=e.textures;if(null!==a)for(let e=0;e<a.length;e++){const t=a[e];t.generateMipmaps&&this.generateMipmaps(t)}if(this._currentContext=i,this._resolveRenderTarget(e),null!==i){if(this._setFramebuffer(i),i.viewport)this.updateViewport(i);else{const{width:e,height:t}=this.getDrawingBufferSize();r.viewport(0,0,e,t)}if(i.scissor)this.updateScissor(i);else{const{width:e,height:t}=this.getDrawingBufferSize();r.scissor(0,0,e,t)}}this.prepareTimestampBuffer(Pt.RENDER,this.getTimestampUID(e))}resolveOccludedAsync(e){const t=this.get(e),{currentOcclusionQueries:r,currentOcclusionQueryObjects:s}=t;if(r&&s){const e=new WeakSet,{gl:i}=this;t.currentOcclusionQueryObjects=null,t.currentOcclusionQueries=null;const n=()=>{let a=0;for(let t=0;t<r.length;t++){const n=r[t];null!==n&&(i.getQueryParameter(n,i.QUERY_RESULT_AVAILABLE)&&(0===i.getQueryParameter(n,i.QUERY_RESULT)&&e.add(s[t]),r[t]=null,i.deleteQuery(n),a++))}a<r.length?requestAnimationFrame(n):t.occluded=e};n()}}isOccluded(e,t){const r=this.get(e);return r.occluded&&r.occluded.has(t)}updateViewport(e){const{state:t}=this,{x:r,y:s,width:i,height:n}=e.viewportValue;t.viewport(r,e.height-n-s,i,n)}updateScissor(e){const{state:t}=this,{x:r,y:s,width:i,height:n}=e.scissorValue;t.scissor(r,e.height-n-s,i,n)}setScissorTest(e){this.state.setScissorTest(e)}getClearColor(){const e=super.getClearColor();return e.r*=e.a,e.g*=e.a,e.b*=e.a,e}clear(e,t,r,s=null,i=!0,n=!0){const{gl:a,renderer:o}=this;if(null===s){s={textures:null,clearColorValue:this.getClearColor()}}let u=0;if(e&&(u|=a.COLOR_BUFFER_BIT),t&&(u|=a.DEPTH_BUFFER_BIT),r&&(u|=a.STENCIL_BUFFER_BIT),0!==u){let l;l=s.clearColorValue?s.clearColorValue:this.getClearColor();const d=o.getClearDepth(),c=o.getClearStencil();if(t&&this.state.setDepthMask(!0),null===s.textures)a.clearColor(l.r,l.g,l.b,l.a),a.clear(u);else{if(i&&this._setFramebuffer(s),e)for(let e=0;e<s.textures.length;e++)0===e?a.clearBufferfv(a.COLOR,e,[l.r,l.g,l.b,l.a]):a.clearBufferfv(a.COLOR,e,[0,0,0,1]);t&&r?a.clearBufferfi(a.DEPTH_STENCIL,0,d,c):t?a.clearBufferfv(a.DEPTH,0,[d]):r&&a.clearBufferiv(a.STENCIL,0,[c]),i&&n&&this._resolveRenderTarget(s),i&&null!==this._currentContext&&this._currentContext!==s&&this._setFramebuffer(this._currentContext)}}}beginCompute(e){const{state:t,gl:r}=this;t.bindFramebuffer(r.FRAMEBUFFER,null),this.initTimestampQuery(Pt.COMPUTE,this.getTimestampUID(e))}compute(e,t,r,s,i=null){const{state:n,gl:a}=this;!1===this.discard&&(n.enable(a.RASTERIZER_DISCARD),this.discard=!0);const{programGPU:o,transformBuffers:u,attributes:l}=this.get(s),d=this._getVaoKey(l),c=this.vaoCache[d];void 0===c?this.vaoCache[d]=this._createVao(l):n.setVertexState(c),n.useProgram(o),this._bindUniforms(r);const h=this._getTransformFeedback(u);a.bindTransformFeedback(a.TRANSFORM_FEEDBACK,h),a.beginTransformFeedback(a.POINTS),i=null!==i?i:t.count,Array.isArray(i)?(v("WebGLBackend.compute(): The count parameter must be a single number, not an array."),i=i[0]):i&&"object"==typeof i&&i.isIndirectStorageBufferAttribute&&(v("WebGLBackend.compute(): The count parameter must be a single number, not IndirectStorageBufferAttribute"),i=t.count),l[0].isStorageInstancedBufferAttribute?a.drawArraysInstanced(a.POINTS,0,1,i):a.drawArrays(a.POINTS,0,i),a.endTransformFeedback(),a.bindTransformFeedback(a.TRANSFORM_FEEDBACK,null);for(let e=0;e<u.length;e++){const t=u[e];t.pbo&&this.has(t.pbo)&&this.textureUtils.copyBufferToTexture(t.transformBuffer,t.pbo),t.switchBuffers()}}finishCompute(e){const{state:t,gl:r}=this;this.discard=!1,t.disable(r.RASTERIZER_DISCARD),this.prepareTimestampBuffer(Pt.COMPUTE,this.getTimestampUID(e)),this._currentContext&&this._setFramebuffer(this._currentContext)}_isRenderCameraDepthArray(e){return e.depthTexture&&e.depthTexture.isArrayTexture&&e.camera.isArrayCamera}_draw(e,t,r,s,i,n){if(e.isBatchedMesh)if(!1===this.hasFeature("WEBGL_multi_draw")){const{gl:r}=this,s=r.getUniformLocation(n,"nodeUniformDrawId"),i=e._multiDrawStarts,a=e._multiDrawCounts,o=e._multiDrawCount;for(let e=0;e<o;e++)r.uniform1ui(s,e),t.render(i[e],a[e])}else t.renderMultiDraw(e._multiDrawStarts,e._multiDrawCounts,e._multiDrawCount);else i>1?t.renderInstances(r,s,i):t.render(r,s)}draw(e){const{object:t,pipeline:r,material:s,context:i,hardwareClippingPlanes:n}=e,{programGPU:a}=this.get(r),{gl:o,state:u}=this,l=this.get(i),d=e.getDrawParameters();if(null===d)return;this._bindUniforms(e.getBindings());const c=t.isMesh&&t.matrixWorld.determinant()<0;u.setMaterial(s,c,n),null!==i.mrt&&null!==i.textures&&u.setMRTBlending(i.textures,i.mrt,s),u.useProgram(a);const h=e.getAttributes(),p=this.get(h);let g=p.vaoGPU;if(void 0===g){const e=this._getVaoKey(h);g=this.vaoCache[e],void 0===g&&(g=this._createVao(h),this.vaoCache[e]=g,p.vaoGPU=g)}const m=e.getIndex(),f=null!==m?this.get(m).bufferGPU:null;u.setVertexState(g,f);const y=l.lastOcclusionObject;if(y!==t&&void 0!==y){if(null!==y&&!0===y.occlusionTest&&(o.endQuery(o.ANY_SAMPLES_PASSED),l.occlusionQueryIndex++),!0===t.occlusionTest){const e=o.createQuery();o.beginQuery(o.ANY_SAMPLES_PASSED,e),l.occlusionQueries[l.occlusionQueryIndex]=e,l.occlusionQueryObjects[l.occlusionQueryIndex]=t}l.lastOcclusionObject=t}const b=this.bufferRenderer;t.isPoints?b.mode=o.POINTS:t.isLineSegments?b.mode=o.LINES:t.isLine?b.mode=o.LINE_STRIP:t.isLineLoop?b.mode=o.LINE_LOOP:!0===s.wireframe?(u.setLineWidth(s.wireframeLinewidth*this.renderer.getPixelRatio()),b.mode=o.LINES):b.mode=o.TRIANGLES;const{vertexCount:x,instanceCount:T}=d;let{firstVertex:_}=d;if(b.object=t,null!==m){_*=m.array.BYTES_PER_ELEMENT;const e=this.get(m);b.index=m.count,b.type=e.type}else b.index=0;if(!0===e.camera.isArrayCamera&&e.camera.cameras.length>0&&!1===e.camera.isMultiViewCamera){const r=this.get(e.camera),s=e.camera.cameras,i=e.getBindingGroup("cameraIndex").bindings[0];if(void 0===r.indexesGPU||r.indexesGPU.length!==s.length){const e=new Uint32Array([0,0,0,0]),t=[];for(let r=0,i=s.length;r<i;r++){const s=o.createBuffer();e[0]=r,o.bindBuffer(o.UNIFORM_BUFFER,s),o.bufferData(o.UNIFORM_BUFFER,e,o.STATIC_DRAW),t.push(s)}r.indexesGPU=t}let n=0;e:for(const t of e.getBindings())for(const e of t.bindings){if(e===i)break e;(e.isUniformsGroup||e.isUniformBuffer)&&n++}const l=this.renderer.getPixelRatio(),d=this._currentContext.renderTarget,c=this._isRenderCameraDepthArray(this._currentContext),h=this._currentContext.activeCubeFace;if(c){const e=this.get(d.depthTexture);if(e.clearedRenderId!==this.renderer._nodes.nodeFrame.renderId){e.clearedRenderId=this.renderer._nodes.nodeFrame.renderId;const{stencilBuffer:t}=d;for(let e=0,r=s.length;e<r;e++)this.renderer._activeCubeFace=e,this._currentContext.activeCubeFace=e,this._setFramebuffer(this._currentContext),this.clear(!1,!0,t,this._currentContext,!1,!1);this.renderer._activeCubeFace=h,this._currentContext.activeCubeFace=h}}for(let i=0,d=s.length;i<d;i++){const d=s[i];if(t.layers.test(d.layers)){c&&(this.renderer._activeCubeFace=i,this._currentContext.activeCubeFace=i,this._setFramebuffer(this._currentContext));const s=d.viewport;if(void 0!==s){const t=s.x*l,r=s.y*l,i=s.width*l,n=s.height*l;u.viewport(Math.floor(t),Math.floor(e.context.height-n-r),Math.floor(i),Math.floor(n))}u.bindBufferBase(o.UNIFORM_BUFFER,n,r.indexesGPU[i]),this._draw(t,b,_,x,T,a)}this._currentContext.activeCubeFace=h,this.renderer._activeCubeFace=h}}else this._draw(t,b,_,x,T,a)}needsRenderUpdate(){return!1}getRenderCacheKey(){return""}createDefaultTexture(e){this.textureUtils.createDefaultTexture(e)}createTexture(e,t){this.textureUtils.createTexture(e,t)}updateTexture(e,t){this.textureUtils.updateTexture(e,t)}generateMipmaps(e){this.textureUtils.generateMipmaps(e)}destroyTexture(e,t=!1){this.textureUtils.destroyTexture(e,t)}async copyTextureToBuffer(e,t,r,s,i,n){return this.textureUtils.copyTextureToBuffer(e,t,r,s,i,n)}updateSampler(){return""}createNodeBuilder(e,t){return new ZR(e,t)}createProgram(e){const t=this.gl,{stage:r,code:s}=e,i="fragment"===r?t.createShader(t.FRAGMENT_SHADER):t.createShader(t.VERTEX_SHADER);t.shaderSource(i,s),t.compileShader(i),this.set(e,{shaderGPU:i})}destroyProgram(e){this.delete(e)}createRenderPipeline(e,t){const r=this.gl,s=e.pipeline,{fragmentProgram:i,vertexProgram:n}=s,a=r.createProgram(),o=this.get(i).shaderGPU,u=this.get(n).shaderGPU;if(r.attachShader(a,o),r.attachShader(a,u),r.linkProgram(a),this.set(s,{programGPU:a,fragmentShader:o,vertexShader:u}),null!==t&&this.parallel){const i=new Promise(t=>{const i=this.parallel,n=()=>{r.getProgramParameter(a,i.COMPLETION_STATUS_KHR)?(this._completeCompile(e,s),t()):requestAnimationFrame(n)};n()});return void t.push(i)}this._completeCompile(e,s)}_handleSource(e,t){const r=e.split("\n"),s=[],i=Math.max(t-6,0),n=Math.min(t+6,r.length);for(let e=i;e<n;e++){const i=e+1;s.push(`${i===t?">":" "} ${i}: ${r[e]}`)}return s.join("\n")}_getShaderErrors(e,t,r){const s=e.getShaderParameter(t,e.COMPILE_STATUS),i=(e.getShaderInfoLog(t)||"").trim();if(s&&""===i)return"";const n=/ERROR: 0:(\d+)/.exec(i);if(n){const s=parseInt(n[1]);return r.toUpperCase()+"\n\n"+i+"\n\n"+this._handleSource(e.getShaderSource(t),s)}return i}_logProgramError(e,t,r){if(this.renderer.debug.checkShaderErrors){const s=this.gl,i=(s.getProgramInfoLog(e)||"").trim();if(!1===s.getProgramParameter(e,s.LINK_STATUS))if("function"==typeof this.renderer.debug.onShaderError)this.renderer.debug.onShaderError(s,e,r,t);else{const n=this._getShaderErrors(s,r,"vertex"),a=this._getShaderErrors(s,t,"fragment");o("WebGLProgram: Shader Error "+s.getError()+" - VALIDATE_STATUS "+s.getProgramParameter(e,s.VALIDATE_STATUS)+"\n\nProgram Info Log: "+i+"\n"+n+"\n"+a)}else""!==i&&d("WebGLProgram: Program Info Log:",i)}}_completeCompile(e,t){const{state:r,gl:s}=this,i=this.get(t),{programGPU:n,fragmentShader:a,vertexShader:o}=i;!1===s.getProgramParameter(n,s.LINK_STATUS)&&this._logProgramError(n,a,o),r.useProgram(n);const u=e.getBindings();this._setupBindings(u,n),this.set(t,{programGPU:n,pipeline:n})}createComputePipeline(e,t){const{state:r,gl:s}=this,i={stage:"fragment",code:"#version 300 es\nprecision highp float;\nvoid main() {}"};this.createProgram(i);const{computeProgram:n}=e,a=s.createProgram(),o=this.get(i).shaderGPU,u=this.get(n).shaderGPU,l=n.transforms,d=[],c=[];for(let e=0;e<l.length;e++){const t=l[e];d.push(t.varyingName),c.push(t.attributeNode)}s.attachShader(a,o),s.attachShader(a,u),s.transformFeedbackVaryings(a,d,s.SEPARATE_ATTRIBS),s.linkProgram(a),!1===s.getProgramParameter(a,s.LINK_STATUS)&&this._logProgramError(a,o,u),r.useProgram(a),this._setupBindings(t,a);const h=n.attributes,p=[],g=[];for(let e=0;e<h.length;e++){const t=h[e].node.attribute;p.push(t),this.has(t)||this.attributeUtils.createAttribute(t,s.ARRAY_BUFFER)}for(let e=0;e<c.length;e++){const t=c[e].attribute;this.has(t)||this.attributeUtils.createAttribute(t,s.ARRAY_BUFFER);const r=this.get(t);g.push(r)}this.set(e,{programGPU:a,transformBuffers:g,attributes:p})}createBindings(e,t){if(!1===this._knownBindings.has(t)){this._knownBindings.add(t);let e=0,r=0;for(const s of t){this.set(s,{textures:r,uniformBuffers:e});for(const t of s.bindings)t.isUniformBuffer&&e++,t.isSampledTexture&&r++}}this.updateBindings(e,t)}updateBindings(e){const{gl:t}=this;for(const r of e.bindings){const e=this.get(r);if(r.isUniformsGroup||r.isUniformBuffer){const s=r.buffer,i=e.bufferGPU;t.bindBuffer(t.UNIFORM_BUFFER,i);const n=r.updateRanges;if(t.bindBuffer(t.UNIFORM_BUFFER,i),0===n.length)t.bufferData(t.UNIFORM_BUFFER,s,t.DYNAMIC_DRAW);else{const e=Kr(s),r=e?1:s.BYTES_PER_ELEMENT;for(let i=0,a=n.length;i<a;i++){const a=n[i],o=a.start*r,u=a.count*r,l=o*(e?s.BYTES_PER_ELEMENT:1);t.bufferSubData(t.UNIFORM_BUFFER,l,s,o,u)}}this.set(r,e)}else if(r.isSampledTexture){const{textureGPU:t,glTextureType:s}=this.get(r.texture);e.textureGPU=t,e.glTextureType=s,this.set(r,e)}}}updateBinding(e){const t=this.gl;if(e.isUniformsGroup||e.isUniformBuffer){const r=this.get(e).bufferGPU,s=e.buffer,i=e.updateRanges;if(t.bindBuffer(t.UNIFORM_BUFFER,r),0===i.length)t.bufferData(t.UNIFORM_BUFFER,s,t.DYNAMIC_DRAW);else{const e=Kr(s),r=e?1:s.BYTES_PER_ELEMENT;for(let n=0,a=i.length;n<a;n++){const a=i[n],o=a.start*r,u=a.count*r,l=o*(e?s.BYTES_PER_ELEMENT:1);t.bufferSubData(t.UNIFORM_BUFFER,l,s,o,u)}}}}createUniformBuffer(e){const t=this.get(e);if(void 0===t.bufferGPU){const r=this.gl,s=e.buffer;t.bufferGPU=r.createBuffer(),r.bindBuffer(r.UNIFORM_BUFFER,t.bufferGPU),r.bufferData(r.UNIFORM_BUFFER,s.byteLength,r.DYNAMIC_DRAW)}}destroyUniformBuffer(e){const t=this.get(e);this.gl.deleteBuffer(t.bufferGPU),this.delete(e)}createIndexAttribute(e){const t=this.gl;this.attributeUtils.createAttribute(e,t.ELEMENT_ARRAY_BUFFER)}createAttribute(e){if(this.has(e))return;const t=this.gl;this.attributeUtils.createAttribute(e,t.ARRAY_BUFFER)}createStorageAttribute(e){if(this.has(e))return;const t=this.gl;this.attributeUtils.createAttribute(e,t.ARRAY_BUFFER)}updateAttribute(e){this.attributeUtils.updateAttribute(e)}destroyAttribute(e){this.attributeUtils.destroyAttribute(e)}hasFeature(e){const t=Object.keys(yE).filter(t=>yE[t]===e),r=this.extensions;for(let e=0;e<t.length;e++)if(r.has(t[e]))return!0;return!1}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){this.textureUtils.copyTextureToTexture(e,t,r,s,i,n)}copyFramebufferToTexture(e,t,r){this.textureUtils.copyFramebufferToTexture(e,t,r)}hasCompatibility(e){return e===E.TEXTURE_COMPARE||super.hasCompatibility(e)}initRenderTarget(e){const{gl:t,state:r}=this;this._setFramebuffer(e),r.bindFramebuffer(t.FRAMEBUFFER,null)}_setFramebuffer(e){const{gl:t,state:r}=this;let s=null;if(null!==e.textures){const i=e.renderTarget,n=this.get(i),{samples:a,depthBuffer:o,stencilBuffer:u}=i,l=!0===i.isCubeRenderTarget,d=!0===i.isRenderTarget3D,c=i.depth>1,h=!0===i.isXRRenderTarget,p=!0===h&&!0===i._hasExternalTextures;let g=n.msaaFrameBuffer,m=n.depthRenderbuffer;const f=this.extensions.get("WEBGL_multisampled_render_to_texture"),y=this.extensions.get("OVR_multiview2"),b=this._useMultisampledExtension(i),x=Tb(e);let T;if(l?(n.cubeFramebuffers||(n.cubeFramebuffers={}),T=n.cubeFramebuffers[x]):h&&!1===p?T=this._xrFramebuffer:(n.framebuffers||(n.framebuffers={}),T=n.framebuffers[x]),void 0===T){T=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,T);const s=e.textures,o=[];if(l){n.cubeFramebuffers[x]=T;const{textureGPU:e}=this.get(s[0]),r=this.renderer._activeCubeFace,i=this.renderer._activeMipmapLevel;t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_CUBE_MAP_POSITIVE_X+r,e,i)}else{n.framebuffers[x]=T;for(let r=0;r<s.length;r++){const n=s[r],o=this.get(n);o.renderTarget=e.renderTarget,o.cacheKey=x;const u=t.COLOR_ATTACHMENT0+r;if(i.multiview)y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,u,o.textureGPU,0,a,0,2);else if(d||c){const e=this.renderer._activeCubeFace,r=this.renderer._activeMipmapLevel;t.framebufferTextureLayer(t.FRAMEBUFFER,u,o.textureGPU,r,e)}else if(b)f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,u,t.TEXTURE_2D,o.textureGPU,0,a);else{const e=this.renderer._activeMipmapLevel;t.framebufferTexture2D(t.FRAMEBUFFER,u,t.TEXTURE_2D,o.textureGPU,e)}}}const h=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;if(!0===i._autoAllocateDepthBuffer){const r=t.createRenderbuffer();this.textureUtils.setupRenderBufferStorage(r,e,0,b),n.xrDepthRenderbuffer=r,o.push(u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT),t.bindRenderbuffer(t.RENDERBUFFER,r),t.framebufferRenderbuffer(t.FRAMEBUFFER,h,t.RENDERBUFFER,r)}else if(null!==e.depthTexture){o.push(u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT);const r=this.get(e.depthTexture);if(r.renderTarget=e.renderTarget,r.cacheKey=x,i.multiview)y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,h,r.textureGPU,0,a,0,2);else if(p&&b)f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,h,t.TEXTURE_2D,r.textureGPU,0,a);else if(e.depthTexture.isArrayTexture){const e=this.renderer._activeCubeFace;t.framebufferTextureLayer(t.FRAMEBUFFER,h,r.textureGPU,0,e)}else if(e.depthTexture.isCubeTexture){const e=this.renderer._activeCubeFace;t.framebufferTexture2D(t.FRAMEBUFFER,h,t.TEXTURE_CUBE_MAP_POSITIVE_X+e,r.textureGPU,0)}else t.framebufferTexture2D(t.FRAMEBUFFER,h,t.TEXTURE_2D,r.textureGPU,0)}n.depthInvalidationArray=o}else{if(this._isRenderCameraDepthArray(e)){r.bindFramebuffer(t.FRAMEBUFFER,T);const s=this.renderer._activeCubeFace,i=this.get(e.depthTexture),n=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;t.framebufferTextureLayer(t.FRAMEBUFFER,n,i.textureGPU,0,s)}if((h||b||i.multiview)&&!0!==i._isOpaqueFramebuffer){r.bindFramebuffer(t.FRAMEBUFFER,T);const s=this.get(e.textures[0]);i.multiview?y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,s.textureGPU,0,a,0,2):b?f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,s.textureGPU,0,a):t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,s.textureGPU,0);const o=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;if(!0===i._autoAllocateDepthBuffer){const e=n.xrDepthRenderbuffer;t.bindRenderbuffer(t.RENDERBUFFER,e),t.framebufferRenderbuffer(t.FRAMEBUFFER,o,t.RENDERBUFFER,e)}else{const r=this.get(e.depthTexture);i.multiview?y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,o,r.textureGPU,0,a,0,2):b?f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,o,t.TEXTURE_2D,r.textureGPU,0,a):t.framebufferTexture2D(t.FRAMEBUFFER,o,t.TEXTURE_2D,r.textureGPU,0)}}}if(a>0&&!1===b&&!i.multiview){if(void 0===g){const s=[];g=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,g);const i=[],l=e.textures;for(let r=0;r<l.length;r++){i[r]=t.createRenderbuffer(),t.bindRenderbuffer(t.RENDERBUFFER,i[r]),s.push(t.COLOR_ATTACHMENT0+r);const n=e.textures[r],o=this.get(n);t.renderbufferStorageMultisample(t.RENDERBUFFER,a,o.glInternalFormat,e.width,e.height),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0+r,t.RENDERBUFFER,i[r])}if(t.bindRenderbuffer(t.RENDERBUFFER,null),n.msaaFrameBuffer=g,n.msaaRenderbuffers=i,o&&void 0===m){m=t.createRenderbuffer(),this.textureUtils.setupRenderBufferStorage(m,e,a),n.depthRenderbuffer=m;const r=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;s.push(r)}n.invalidationArray=s}s=n.msaaFrameBuffer}else s=T;r.drawBuffers(e,T)}r.bindFramebuffer(t.FRAMEBUFFER,s)}_getVaoKey(e){let t="";for(let r=0;r<e.length;r++){t+=":"+this.get(e[r]).id}return t}_createVao(e){const{gl:t}=this,r=t.createVertexArray();t.bindVertexArray(r);for(let r=0;r<e.length;r++){const s=e[r],i=this.get(s);let n,a;t.bindBuffer(t.ARRAY_BUFFER,i.bufferGPU),t.enableVertexAttribArray(r),!0===s.isInterleavedBufferAttribute?(n=s.data.stride*i.bytesPerElement,a=s.offset*i.bytesPerElement):(n=0,a=0),i.isInteger?t.vertexAttribIPointer(r,s.itemSize,i.type,n,a):t.vertexAttribPointer(r,s.itemSize,i.type,s.normalized,n,a),s.isInstancedBufferAttribute&&!s.isInterleavedBufferAttribute?t.vertexAttribDivisor(r,s.meshPerAttribute):s.isInterleavedBufferAttribute&&s.data.isInstancedInterleavedBuffer&&t.vertexAttribDivisor(r,s.data.meshPerAttribute)}return t.bindBuffer(t.ARRAY_BUFFER,null),r}_getTransformFeedback(e){let t="";for(let r=0;r<e.length;r++)t+=":"+e[r].id;let r=this.transformFeedbackCache[t];if(void 0!==r)return r;const{gl:s}=this;r=s.createTransformFeedback(),s.bindTransformFeedback(s.TRANSFORM_FEEDBACK,r);for(let t=0;t<e.length;t++){const r=e[t];s.bindBufferBase(s.TRANSFORM_FEEDBACK_BUFFER,t,r.transformBuffer)}return s.bindTransformFeedback(s.TRANSFORM_FEEDBACK,null),this.transformFeedbackCache[t]=r,r}_setupBindings(e,t){const r=this.gl;let s=0,i=0;for(const n of e)for(const e of n.bindings)if(e.isUniformsGroup||e.isUniformBuffer){const i=s++,n=r.getUniformBlockIndex(t,e.name);r.uniformBlockBinding(t,n,i)}else if(e.isSampledTexture){const s=i++,n=r.getUniformLocation(t,e.name);r.uniform1i(n,s)}}_bindUniforms(e){const{gl:t,state:r}=this;let s=0,i=0;for(const n of e)for(const e of n.bindings){const n=this.get(e);if(e.isUniformsGroup||e.isUniformBuffer){const e=s++;r.bindBufferBase(t.UNIFORM_BUFFER,e,n.bufferGPU)}else if(e.isSampledTexture){const e=i++;r.bindTexture(n.glTextureType,n.textureGPU,t.TEXTURE0+e)}}}_resolveRenderTarget(e){const{gl:t,state:r}=this,s=e.renderTarget;if(null!==e.textures&&s){const i=this.get(s);if(s.samples>0&&!1===this._useMultisampledExtension(s)){const n=i.framebuffers[e.getCacheKey()];let a=t.COLOR_BUFFER_BIT;s.resolveDepthBuffer&&(s.depthBuffer&&(a|=t.DEPTH_BUFFER_BIT),s.stencilBuffer&&s.resolveStencilBuffer&&(a|=t.STENCIL_BUFFER_BIT));const o=i.msaaFrameBuffer,u=i.msaaRenderbuffers,l=e.textures,d=l.length>1;if(r.bindFramebuffer(t.READ_FRAMEBUFFER,o),r.bindFramebuffer(t.DRAW_FRAMEBUFFER,n),d)for(let e=0;e<l.length;e++)t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.RENDERBUFFER,null),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.TEXTURE_2D,null,0);for(let r=0;r<l.length;r++){if(d){const{textureGPU:e}=this.get(l[r]);t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.RENDERBUFFER,u[r]),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,e,0)}if(e.scissor){const{x:r,y:s,width:i,height:n}=e.scissorValue,o=e.height-n-s;t.blitFramebuffer(r,o,r+i,o+n,r,o,r+i,o+n,a,t.NEAREST)}else t.blitFramebuffer(0,0,e.width,e.height,0,0,e.width,e.height,a,t.NEAREST)}if(d)for(let e=0;e<l.length;e++){const{textureGPU:r}=this.get(l[e]);t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.RENDERBUFFER,u[e]),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.TEXTURE_2D,r,0)}!0===this._supportsInvalidateFramebuffer&&t.invalidateFramebuffer(t.READ_FRAMEBUFFER,i.invalidationArray)}else if(!1===s.resolveDepthBuffer&&i.framebuffers){const s=i.framebuffers[e.getCacheKey()];r.bindFramebuffer(t.DRAW_FRAMEBUFFER,s),t.invalidateFramebuffer(t.DRAW_FRAMEBUFFER,i.depthInvalidationArray)}}}_useMultisampledExtension(e){return!0===e.multiview||e.samples>0&&!0===this.extensions.has("WEBGL_multisampled_render_to_texture")&&!1!==e._autoAllocateDepthBuffer}dispose(){null!==this.textureUtils&&this.textureUtils.dispose();const e=this.extensions.get("WEBGL_lose_context");e&&e.loseContext(),this.renderer.domElement.removeEventListener("webglcontextlost",this._onContextLost)}}const vE="point-list",NE="line-list",SE="line-strip",RE="triangle-list",EE="undefined"!=typeof self&&self.GPUShaderStage?self.GPUShaderStage:{VERTEX:1,FRAGMENT:2,COMPUTE:4},wE="never",AE="less",CE="equal",ME="less-equal",BE="greater",LE="not-equal",FE="greater-equal",PE="always",UE="store",DE="load",OE="clear",IE="ccw",VE="cw",kE="none",GE="back",$E="uint16",zE="uint32",WE="r8unorm",HE="r8snorm",jE="r8uint",qE="r8sint",XE="r16uint",YE="r16sint",KE="r16float",QE="rg8unorm",ZE="rg8snorm",JE="rg8uint",ew="rg8sint",tw="r16unorm",rw="r16snorm",sw="r32uint",iw="r32sint",nw="r32float",aw="rg16uint",ow="rg16sint",uw="rg16float",lw="rgba8unorm",dw="rgba8unorm-srgb",cw="rgba8snorm",hw="rgba8uint",pw="rgba8sint",gw="bgra8unorm",mw="bgra8unorm-srgb",fw="rg16unorm",yw="rg16snorm",bw="rgb9e5ufloat",xw="rgb10a2unorm",Tw="rg11b10ufloat",_w="rg32uint",vw="rg32sint",Nw="rg32float",Sw="rgba16uint",Rw="rgba16sint",Ew="rgba16float",ww="rgba16unorm",Aw="rgba16snorm",Cw="rgba32uint",Mw="rgba32sint",Bw="rgba32float",Lw="depth16unorm",Fw="depth24plus",Pw="depth24plus-stencil8",Uw="depth32float",Dw="depth32float-stencil8",Ow="bc1-rgba-unorm",Iw="bc1-rgba-unorm-srgb",Vw="bc2-rgba-unorm",kw="bc2-rgba-unorm-srgb",Gw="bc3-rgba-unorm",$w="bc3-rgba-unorm-srgb",zw="bc4-r-unorm",Ww="bc4-r-snorm",Hw="bc5-rg-unorm",jw="bc5-rg-snorm",qw="bc6h-rgb-ufloat",Xw="bc6h-rgb-float",Yw="bc7-rgba-unorm",Kw="bc7-rgba-unorm-srgb",Qw="etc2-rgb8unorm",Zw="etc2-rgb8unorm-srgb",Jw="etc2-rgb8a1unorm",eA="etc2-rgb8a1unorm-srgb",tA="etc2-rgba8unorm",rA="etc2-rgba8unorm-srgb",sA="eac-r11unorm",iA="eac-r11snorm",nA="eac-rg11unorm",aA="eac-rg11snorm",oA="astc-4x4-unorm",uA="astc-4x4-unorm-srgb",lA="astc-5x4-unorm",dA="astc-5x4-unorm-srgb",cA="astc-5x5-unorm",hA="astc-5x5-unorm-srgb",pA="astc-6x5-unorm",gA="astc-6x5-unorm-srgb",mA="astc-6x6-unorm",fA="astc-6x6-unorm-srgb",yA="astc-8x5-unorm",bA="astc-8x5-unorm-srgb",xA="astc-8x6-unorm",TA="astc-8x6-unorm-srgb",_A="astc-8x8-unorm",vA="astc-8x8-unorm-srgb",NA="astc-10x5-unorm",SA="astc-10x5-unorm-srgb",RA="astc-10x6-unorm",EA="astc-10x6-unorm-srgb",wA="astc-10x8-unorm",AA="astc-10x8-unorm-srgb",CA="astc-10x10-unorm",MA="astc-10x10-unorm-srgb",BA="astc-12x10-unorm",LA="astc-12x10-unorm-srgb",FA="astc-12x12-unorm",PA="astc-12x12-unorm-srgb",UA="clamp-to-edge",DA="repeat",OA="mirror-repeat",IA="linear",VA="nearest",kA="zero",GA="one",$A="src",zA="one-minus-src",WA="src-alpha",HA="one-minus-src-alpha",jA="dst",qA="one-minus-dst",XA="dst-alpha",YA="one-minus-dst-alpha",KA="src-alpha-saturated",QA="constant",ZA="one-minus-constant",JA="add",eC="subtract",tC="reverse-subtract",rC="min",sC="max",iC=0,nC=15,aC="keep",oC="zero",uC="replace",lC="invert",dC="increment-clamp",cC="decrement-clamp",hC="increment-wrap",pC="decrement-wrap",gC="storage",mC="read-only-storage",fC="write-only",yC="read-only",bC="read-write",xC="non-filtering",TC="comparison",_C="float",vC="unfilterable-float",NC="depth",SC="sint",RC="uint",EC="2d",wC="3d",AC="2d",CC="2d-array",MC="cube",BC="3d",LC="all",FC="vertex",PC="instance",UC={CoreFeaturesAndLimits:"core-features-and-limits",DepthClipControl:"depth-clip-control",Depth32FloatStencil8:"depth32float-stencil8",TextureCompressionBC:"texture-compression-bc",TextureCompressionBCSliced3D:"texture-compression-bc-sliced-3d",TextureCompressionETC2:"texture-compression-etc2",TextureCompressionASTC:"texture-compression-astc",TextureCompressionASTCSliced3D:"texture-compression-astc-sliced-3d",TimestampQuery:"timestamp-query",IndirectFirstInstance:"indirect-first-instance",ShaderF16:"shader-f16",RG11B10UFloat:"rg11b10ufloat-renderable",BGRA8UNormStorage:"bgra8unorm-storage",Float32Filterable:"float32-filterable",Float32Blendable:"float32-blendable",ClipDistances:"clip-distances",DualSourceBlending:"dual-source-blending",Subgroups:"subgroups",TextureFormatsTier1:"texture-formats-tier1",TextureFormatsTier2:"texture-formats-tier2"},DC={"texture-compression-s3tc":"texture-compression-bc","texture-compression-etc1":"texture-compression-etc2"};class OC extends VR{constructor(e,t,r){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r}update(){const{textureNode:e}=this;return this.texture!==e.value?(this.texture=e.value,!0):super.update()}}class IC extends LR{constructor(e,t){super(e,t?t.array:null),this._attribute=t,this.isStorageBuffer=!0}get attribute(){return this._attribute}}let VC=0;class kC extends IC{constructor(e,t){super("StorageBuffer_"+VC++,e?e.value:null),this.nodeUniform=e,this.access=e?e.access:ai.READ_WRITE,this.groupNode=t}get attribute(){return this.nodeUniform.value}get buffer(){return this.nodeUniform.value.array}}const GC=[null];class $C{constructor(e){this.backend=e}getCurrentDepthStencilFormat(e){let t;return e.depth&&(t=null!==e.depthTexture?this.getTextureFormatGPU(e.depthTexture):e.stencil?!0===this.backend.renderer.reversedDepthBuffer?Dw:Pw:!0===this.backend.renderer.reversedDepthBuffer?Uw:Fw),t}getTextureFormatGPU(e){return this.backend.get(e).format}getTextureSampleData(e){let t;if(e.isFramebufferTexture)t=1;else if(e.isDepthTexture&&!e.renderTarget){const e=this.backend.renderer,r=e.getRenderTarget();t=r?r.samples:e.currentSamples}else e.renderTarget&&(t=e.renderTarget.samples);t=this.getSampleCount(t||1);const r=t>1&&null!==e.renderTarget&&!0!==e.isDepthTexture&&!0!==e.isFramebufferTexture;return{samples:t,primarySamples:r?1:t,isMSAA:r}}getCurrentColorFormat(e){let t;return t=null!==e.textures?this.getTextureFormatGPU(e.textures[0]):this.getPreferredCanvasFormat(),t}getCurrentColorFormats(e){return null!==e.textures?e.textures.map(e=>this.getTextureFormatGPU(e)):[this.getPreferredCanvasFormat()]}getCurrentColorSpace(e){return null!==e.textures?e.textures[0].colorSpace:this.backend.renderer.outputColorSpace}getPrimitiveTopology(e,t){return e.isPoints?vE:e.isLineSegments||e.isMesh&&!0===t.wireframe?NE:e.isLine?SE:e.isMesh?RE:void 0}getSampleCount(e){return e>=4?4:1}getSampleCountRenderContext(e){return null!==e.textures?this.getSampleCount(e.sampleCount):this.getSampleCount(this.backend.renderer.currentSamples)}getPreferredCanvasFormat(){const e=this.backend.parameters.outputType;if(void 0===e)return navigator.gpu.getPreferredCanvasFormat();if(e===Ve)return gw;if(e===Te)return Ew;throw new Error("THREE.WebGPUUtils: Unsupported output buffer type.")}}function zC(e,t){GC[0]=t,e.queue.submit(GC),GC[0]=null}class WC{constructor(){this.label="",this.layout=null,this.entries=[]}reset(){this.label="",this.layout=null,this.entries.length=0}}class HC{constructor(){this.label="",this.size=0,this.usage=0,this.mappedAtCreation=!1}reset(){this.label="",this.size=0,this.usage=0,this.mappedAtCreation=!1}}class jC{constructor(){this.label=""}reset(){this.label=""}}class qC{constructor(){this.label="",this.colorFormats=null,this.depthStencilFormat=void 0,this.sampleCount=1,this.depthReadOnly=!1,this.stencilReadOnly=!1}reset(){this.label="",this.colorFormats=null,this.depthStencilFormat=void 0,this.sampleCount=1,this.depthReadOnly=!1,this.stencilReadOnly=!1}}class XC{constructor(){this.view=null,this.depthSlice=void 0,this.resolveTarget=void 0,this.clearValue=void 0,this.loadOp=void 0,this.storeOp=void 0}reset(){this.view=null,this.depthSlice=void 0,this.resolveTarget=void 0,this.clearValue=void 0,this.loadOp=void 0,this.storeOp=void 0}}class YC{constructor(){this.label="",this.colorAttachments=[],this.depthStencilAttachment=void 0,this.occlusionQuerySet=void 0,this.timestampWrites=void 0,this.maxDrawCount=5e7}reset(){this.label="",this.colorAttachments.length=0,this.depthStencilAttachment=void 0,this.occlusionQuerySet=void 0,this.timestampWrites=void 0,this.maxDrawCount=5e7}}class KC{constructor(){this.label="",this.layout=null,this.vertex=null,this.primitive={},this.depthStencil=void 0,this.multisample=new QC,this.fragment=null}reset(){this.label="",this.layout=null,this.vertex=null,this.primitive={},this.depthStencil=void 0,this.multisample.reset(),this.fragment=null}}class QC{constructor(){this.count=1,this.mask=4294967295,this.alphaToCoverageEnabled=!1}reset(){this.count=1,this.mask=4294967295,this.alphaToCoverageEnabled=!1}}class ZC{constructor(){this.label="",this.code="",this.compilationHints=[]}reset(){this.label="",this.code="",this.compilationHints.length=0}}class JC{constructor(){this.label="",this.size={width:0,height:1,depthOrArrayLayers:1},this.mipLevelCount=1,this.sampleCount=1,this.dimension="2d",this.format=void 0,this.usage=void 0,this.viewFormats=[],this.textureBindingViewDimension=void 0}reset(){this.label="",this.size.width=0,this.size.height=1,this.size.depthOrArrayLayers=1,this.mipLevelCount=1,this.sampleCount=1,this.dimension="2d",this.format=void 0,this.usage=void 0,this.viewFormats.length=0,this.textureBindingViewDimension=void 0}}class eM{constructor(){this.label="",this.format=void 0,this.dimension=void 0,this.usage=0,this.aspect="all",this.baseMipLevel=0,this.mipLevelCount=void 0,this.baseArrayLayer=0,this.arrayLayerCount=void 0,this.swizzle="rgba"}reset(){this.label="",this.format=void 0,this.dimension=void 0,this.usage=0,this.aspect="all",this.baseMipLevel=0,this.mipLevelCount=void 0,this.baseArrayLayer=0,this.arrayLayerCount=void 0,this.swizzle="rgba"}}const tM=new WC,rM=new HC,sM=new jC,iM=new qC,nM=new YC,aM=new KC,oM=new XC,uM=new ZC,lM=new JC,dM=new eM;class cM extends jy{constructor(e){super(),this.device=e;this.mipmapSampler=e.createSampler({minFilter:IA}),this.flipYSampler=e.createSampler({minFilter:VA}),rM.size=4,rM.usage=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,this.flipUniformBuffer=e.createBuffer(rM),rM.reset(),e.queue.writeBuffer(this.flipUniformBuffer,0,new Uint32Array([1])),rM.size=4,rM.usage=GPUBufferUsage.UNIFORM,this.noFlipUniformBuffer=e.createBuffer(rM),rM.reset(),this.transferPipelines={},uM.label="mipmap",uM.code="\nstruct VarysStruct {\n\t@builtin( position ) Position: vec4f,\n\t@location( 0 ) vTex : vec2f,\n\t@location( 1 ) @interpolate(flat, either) vBaseArrayLayer: u32,\n};\n\n@group( 0 ) @binding ( 2 )\nvar<uniform> flipY: u32;\n\n@vertex\nfn mainVS(\n\t\t@builtin( vertex_index ) vertexIndex : u32,\n\t\t@builtin( instance_index ) instanceIndex : u32 ) -> VarysStruct {\n\n\tvar Varys : VarysStruct;\n\n\tvar pos = array(\n\t\tvec2f( -1, -1 ),\n\t\tvec2f( -1,  3 ),\n\t\tvec2f(  3, -1 ),\n\t);\n\n\tlet p = pos[ vertexIndex ];\n\tlet mult = select( vec2f( 0.5, -0.5 ), vec2f( 0.5, 0.5 ), flipY != 0 );\n\tVarys.vTex = p * mult + vec2f( 0.5 );\n\tVarys.Position = vec4f( p, 0, 1 );\n\tVarys.vBaseArrayLayer = instanceIndex;\n\n\treturn Varys;\n\n}\n\n@group( 0 ) @binding( 0 )\nvar imgSampler : sampler;\n\n@group( 0 ) @binding( 1 )\nvar img2d : texture_2d<f32>;\n\n@fragment\nfn main_2d( Varys: VarysStruct ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( img2d, imgSampler, Varys.vTex );\n\n}\n\n@group( 0 ) @binding( 1 )\nvar img2dArray : texture_2d_array<f32>;\n\n@fragment\nfn main_2d_array( Varys: VarysStruct ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( img2dArray, imgSampler, Varys.vTex, Varys.vBaseArrayLayer );\n\n}\n\nconst faceMat = array(\n  mat3x3f(  0,  0,  -2,  0, -2,   0,  1,  1,   1 ),   // pos-x\n  mat3x3f(  0,  0,   2,  0, -2,   0, -1,  1,  -1 ),   // neg-x\n  mat3x3f(  2,  0,   0,  0,  0,   2, -1,  1,  -1 ),   // pos-y\n  mat3x3f(  2,  0,   0,  0,  0,  -2, -1, -1,   1 ),   // neg-y\n  mat3x3f(  2,  0,   0,  0, -2,   0, -1,  1,   1 ),   // pos-z\n  mat3x3f( -2,  0,   0,  0, -2,   0,  1,  1,  -1 ),   // neg-z\n);\n\n@group( 0 ) @binding( 1 )\nvar imgCube : texture_cube<f32>;\n\n@fragment\nfn main_cube( Varys: VarysStruct ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( imgCube, imgSampler, faceMat[ Varys.vBaseArrayLayer ] * vec3f( fract( Varys.vTex ), 1 ) );\n\n}\n",this.mipmapShaderModule=e.createShaderModule(uM),uM.reset()}getTransferPipeline(e,t){const r=`${e}-${t=t||"2d-array"}`;let s=this.transferPipelines[r];return void 0===s&&(aM.label=`mipmap-${e}-${t}`,aM.vertex={module:this.mipmapShaderModule},aM.fragment={module:this.mipmapShaderModule,entryPoint:`main_${t.replace("-","_")}`,targets:[{format:e}]},aM.layout="auto",s=this.device.createRenderPipeline(aM),aM.reset(),this.transferPipelines[r]=s),s}flipY(e,t,r=0){const s=t.format,{width:i,height:n}=t.size;lM.size.width=i,lM.size.height=n,lM.format=s,lM.usage=GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING;const a=this.device.createTexture(lM);lM.reset();const o=this.getTransferPipeline(s,e.textureBindingViewDimension),u=this.getTransferPipeline(s,a.textureBindingViewDimension),l=this.device.createCommandEncoder(sM),d=(e,t,r,s,i,n)=>{const a=e.getBindGroupLayout(0);dM.dimension=t.textureBindingViewDimension||"2d-array",dM.mipLevelCount=1;const o=t.createView(dM);dM.reset(),tM.layout=a,tM.entries.push({binding:0,resource:this.flipYSampler},{binding:1,resource:o},{binding:2,resource:{buffer:n?this.flipUniformBuffer:this.noFlipUniformBuffer}});const u=this.device.createBindGroup(tM);tM.reset(),dM.dimension="2d",dM.mipLevelCount=1,dM.baseArrayLayer=i,dM.arrayLayerCount=1;const d=s.createView(dM);dM.reset(),oM.view=d,oM.loadOp=OE,oM.storeOp=UE,nM.colorAttachments.push(oM);const c=l.beginRenderPass(nM);nM.reset(),oM.reset(),c.setPipeline(e),c.setBindGroup(0,u),c.draw(3,1,0,r),c.end()};d(o,e,r,a,0,!1),d(u,a,0,e,r,!0),zC(this.device,l.finish()),a.destroy()}generateMipmaps(e,t=null){const r=this.get(e),s=r.layers||this._mipmapCreateBundles(e);let i=t;null===i&&(sM.label="mipmapEncoder",i=this.device.createCommandEncoder(sM),sM.reset()),this._mipmapRunBundles(i,s),null===t&&zC(this.device,i.finish()),r.layers=s}_mipmapCreateBundles(e){const t=e.textureBindingViewDimension||"2d-array",r=this.getTransferPipeline(e.format,t),s=r.getBindGroupLayout(0),i=[];for(let n=1;n<e.mipLevelCount;n++)for(let a=0;a<e.depthOrArrayLayers;a++){dM.dimension=t,dM.baseMipLevel=n-1,dM.mipLevelCount=1;const o=e.createView(dM);dM.reset(),tM.layout=s,tM.entries.push({binding:0,resource:this.mipmapSampler},{binding:1,resource:o},{binding:2,resource:{buffer:this.noFlipUniformBuffer}});const u=this.device.createBindGroup(tM);tM.reset(),dM.dimension="2d",dM.baseMipLevel=n,dM.mipLevelCount=1,dM.baseArrayLayer=a,dM.arrayLayerCount=1;const l=e.createView(dM);dM.reset();const d=new XC;d.view=l,d.loadOp=OE,d.storeOp=UE;const c=new YC;c.colorAttachments.push(d),iM.colorFormats=[e.format];const h=this.device.createRenderBundleEncoder(iM);iM.reset(),h.setPipeline(r),h.setBindGroup(0,u),h.draw(3,1,0,a),i.push({renderBundles:[h.finish()],passDescriptor:c})}return i}_mipmapRunBundles(e,t){const r=t.length;for(let s=0;s<r;s++){const r=t[s],i=e.beginRenderPass(r.passDescriptor);i.executeBundles(r.renderBundles),i.end()}}}class hM{constructor(){this.texture=null,this.mipLevel=0,this.origin={x:0,y:0,z:0},this.aspect="all"}reset(){this.texture=null,this.mipLevel=0,this.origin.x=0,this.origin.y=0,this.origin.z=0,this.aspect="all"}}class pM{constructor(){this.width=0,this.height=1,this.depthOrArrayLayers=1}reset(){this.width=0,this.height=1,this.depthOrArrayLayers=1}}const gM=new HC,mM=new jC,fM=new class{constructor(){this.label="",this.addressModeU="clamp-to-edge",this.addressModeV="clamp-to-edge",this.addressModeW="clamp-to-edge",this.magFilter="nearest",this.minFilter="nearest",this.mipmapFilter="nearest",this.lodMinClamp=0,this.lodMaxClamp=32,this.compare=void 0,this.maxAnisotropy=1}reset(){this.label="",this.addressModeU="clamp-to-edge",this.addressModeV="clamp-to-edge",this.addressModeW="clamp-to-edge",this.magFilter="nearest",this.minFilter="nearest",this.mipmapFilter="nearest",this.lodMinClamp=0,this.lodMaxClamp=32,this.compare=void 0,this.maxAnisotropy=1}},yM=new hM,bM=new class{constructor(){this.buffer=null,this.offset=0,this.bytesPerRow=void 0,this.rowsPerImage=void 0}reset(){this.buffer=null,this.offset=0,this.bytesPerRow=void 0,this.rowsPerImage=void 0}},xM=new class{constructor(){this.offset=0,this.bytesPerRow=void 0,this.rowsPerImage=void 0}reset(){this.offset=0,this.bytesPerRow=void 0,this.rowsPerImage=void 0}},TM=new class{constructor(){this.source=null,this.origin={x:0,y:0},this.flipY=!1}reset(){this.source=null,this.origin.x=0,this.origin.y=0,this.flipY=!1}},_M=new class extends hM{constructor(){super(),this.colorSpace="srgb",this.premultipliedAlpha=!1}reset(){super.reset(),this.colorSpace="srgb",this.premultipliedAlpha=!1}},vM=new JC,NM=new pM,SM={[qr]:"never",[w]:"less",[Hr]:"equal",[A]:"less-equal",[C]:"greater",[M]:"greater-equal",[jr]:"always",[Wr]:"not-equal"},RM=[0,1,3,2,4,5];function EM(e,t,r,s,i,n,a,o,u,l){yM.texture=t,yM.mipLevel=r,yM.origin.z=s,xM.offset=s*n,xM.bytesPerRow=a,xM.rowsPerImage=o,NM.width=u,NM.height=l,e.queue.writeTexture(yM,i.data,xM,NM),yM.reset(),xM.reset(),NM.reset()}class wM{constructor(e){this.backend=e,this._passUtils=null,this.defaultTexture={},this.defaultCubeTexture={},this.defaultVideoFrame=null,this._samplerCache=new Map}updateSampler(e,t){const r=this.backend,s=e.minFilter+"-"+e.magFilter+"-"+e.wrapS+"-"+e.wrapT+"-"+(e.wrapR||"0")+"-"+e.anisotropy+"-"+(!0===e.isDepthTexture?1:0)+"-"+(null!==e.compareFunction&&null!==t.compareNode?e.compareFunction:0);let i=this._samplerCache.get(s);if(void 0===i){fM.addressModeU=this._convertAddressMode(e.wrapS),fM.addressModeV=this._convertAddressMode(e.wrapT),fM.addressModeW=this._convertAddressMode(e.wrapR),fM.magFilter=this._convertFilterMode(e.magFilter),fM.minFilter=this._convertFilterMode(e.minFilter),fM.mipmapFilter=this._convertMipmapFilterMode(e.minFilter),!e.isDepthTexture||null!==e.compareFunction&&null!==t.compareNode||(fM.magFilter=VA,fM.minFilter=VA,fM.mipmapFilter=VA),fM.magFilter===IA&&fM.minFilter===IA&&fM.mipmapFilter===IA&&(fM.maxAnisotropy=e.anisotropy),e.isDepthTexture&&null!==e.compareFunction&&null!==t.compareNode&&r.hasCompatibility(E.TEXTURE_COMPARE)&&(fM.compare=SM[e.compareFunction]);const n=r.device.createSampler(fM);fM.reset(),i={sampler:n,usedTimes:0},this._samplerCache.set(s,i)}const n=r.get(e);if(n.sampler!==i.sampler){if(void 0!==n.sampler){const e=this._samplerCache.get(n.samplerKey);e.usedTimes--,0===e.usedTimes&&this._samplerCache.delete(n.samplerKey)}n.samplerKey=s,n.sampler=i.sampler,i.usedTimes++}return s}createDefaultTexture(e){let t;const r=AM(e,this.backend.device);t=e.isCubeTexture?this._getDefaultCubeTextureGPU(r):this._getDefaultTextureGPU(r),this.backend.get(e).texture=t}createTexture(e,t={}){const r=this.backend,s=r.get(e);if(s.initialized){if(!0===s.externalTexture)return;throw new Error("THREE.WebGPUTextureUtils: Texture already initialized.")}if(e.isExternalTexture)return s.texture=e.sourceTexture,void(s.initialized=!0);void 0===t.needsMipmaps&&(t.needsMipmaps=!1),void 0===t.levels&&(t.levels=1),void 0===t.depth&&(t.depth=1);const{width:i,height:n,depth:a,levels:o}=t;e.isFramebufferTexture&&(t.renderTarget?t.format=this.backend.utils.getCurrentColorFormat(t.renderTarget):t.format=this.backend.utils.getPreferredCanvasFormat());const u=this._getDimension(e),l=e.internalFormat||t.format||AM(e,r.device);s.format=l;const{samples:c,primarySamples:h,isMSAA:p}=r.utils.getTextureSampleData(e);let g=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.COPY_SRC;!0===e.isStorageTexture&&(g|=GPUTextureUsage.STORAGE_BINDING),!0!==e.isCompressedTexture&&!0!==e.isCompressedArrayTexture&&l!==bw&&(g|=GPUTextureUsage.RENDER_ATTACHMENT);const m=new JC;if(m.label=e.name,m.size.width=i,m.size.height=n,m.size.depthOrArrayLayers=a,m.mipLevelCount=o,m.sampleCount=h,m.dimension=u,m.format=l,m.usage=g,void 0===l)return d("WebGPURenderer: Texture format not supported."),void this.createDefaultTexture(e);e.isCubeTexture&&(m.textureBindingViewDimension=MC);try{s.texture=r.device.createTexture(m)}catch(t){return d("WebGPURenderer: Failed to create texture with descriptor:",m),void this.createDefaultTexture(e)}if(p){const e=Object.assign({},m);e.label=e.label+"-msaa",e.sampleCount=c,e.mipLevelCount=1,s.msaaTexture=r.device.createTexture(e)}s.initialized=!0,s.textureDescriptorGPU=m}destroyTexture(e,t=!1){const r=this.backend,s=r.get(e);void 0!==s.texture&&!1===t&&s.texture.destroy(),void 0!==s.msaaTexture&&s.msaaTexture.destroy(),r.delete(e)}generateMipmaps(e,t=null){const r=this.backend.get(e);this._generateMipmaps(r.texture,t)}getColorBuffer(){const e=this.backend,t=e.renderer.getCanvasTarget(),{width:r,height:s}=e.getDrawingBufferSize(),i=e.renderer.currentSamples,n=t.colorTexture,a=e.get(n);if(n.width===r&&n.height===s&&n.samples===i)return a.texture;let o=a.texture;return o&&o.destroy(),vM.label="colorBuffer",vM.size.width=r,vM.size.height=s,vM.sampleCount=e.utils.getSampleCount(e.renderer.currentSamples),vM.format=e.utils.getPreferredCanvasFormat(),vM.usage=GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC,o=e.device.createTexture(vM),vM.reset(),n.source.width=r,n.source.height=s,n.samples=i,a.texture=o,o}getDepthBuffer(e=!0,t=!1){const r=this.backend,s=r.renderer.getCanvasTarget(),{width:i,height:n}=r.getDrawingBufferSize(),a=r.renderer.currentSamples,o=s.depthTexture;if(o.width===i&&o.height===n&&o.samples===a&&o.depth===e&&o.stencil===t)return r.get(o).texture;const u=r.get(o).texture;let l,d;if(t?(l=je,d=!0===r.renderer.reversedDepthBuffer?Y:Ze):e&&(l=He,d=!0===r.renderer.reversedDepthBuffer?Y:S),void 0!==u){if(o.image.width===i&&o.image.height===n&&o.format===l&&o.type===d&&o.samples===a)return u;this.destroyTexture(o)}return o.name="depthBuffer",o.format=l,o.type=d,o.image.width=i,o.image.height=n,o.samples=a,this.createTexture(o,{width:i,height:n}),r.get(o).texture}updateTexture(e,t){const r=this.backend.get(e),s=e.mipmaps,{textureDescriptorGPU:i}=r;if(!e.isRenderTargetTexture&&void 0!==i){if(e.isDataTexture)if(s.length>0)for(let t=0,n=s.length;t<n;t++){const n=s[t];this._copyBufferToTexture(n,r.texture,i,0,e.flipY,0,t)}else this._copyBufferToTexture(t.image,r.texture,i,0,e.flipY);else if(e.isArrayTexture||e.isDataArrayTexture||e.isData3DTexture)if(e.layerUpdates&&e.layerUpdates.size>0){for(const s of e.layerUpdates)this._copyBufferToTexture(t.image,r.texture,i,s,e.flipY,s);e.clearLayerUpdates()}else for(let s=0;s<t.image.depth;s++)this._copyBufferToTexture(t.image,r.texture,i,s,e.flipY,s);else if(e.isCompressedTexture||e.isCompressedArrayTexture)e.isCompressedArrayTexture&&e.layerUpdates.size>0?(this._copyCompressedBufferToTexture(e.mipmaps,r.texture,i,e.layerUpdates),e.clearLayerUpdates()):this._copyCompressedBufferToTexture(e.mipmaps,r.texture,i);else if(e.isCubeTexture)this._copyCubeMapToTexture(e,r.texture,i);else if(e.isHTMLTexture){const t=this.backend.device,s=this.backend.renderer.domElement,n=e.image;if("function"!=typeof t.queue.copyElementImageToTexture)return;if(!r.hasPaintCallback)return r.hasPaintCallback=!0,void s.requestPaint();const a=i.size.width,o=i.size.height;t.queue.copyElementImageToTexture(n,a,o,{texture:r.texture}),e.flipY&&this._flipY(r.texture,i)}else if(s.length>0)for(let t=0,n=s.length;t<n;t++){const n=s[t];this._copyImageToTexture(n,r.texture,i,0,e.flipY,e.premultiplyAlpha,t)}else this._copyImageToTexture(t.image,r.texture,i,0,e.flipY,e.premultiplyAlpha);r.version=e.version}}async copyTextureToBuffer(e,t,r,s,i,n){const a=this.backend.device,o=this.backend.get(e),u=o.texture,l=o.textureDescriptorGPU.format,d=this._getBytesPerTexel(l);let c=s*d;c=256*Math.ceil(c/256),gM.size=(i-1)*c+s*d,gM.usage=GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ;const h=a.createBuffer(gM);gM.reset();const p=a.createCommandEncoder(mM);yM.texture=u,yM.origin.x=t,yM.origin.y=r,yM.origin.z=n,bM.buffer=h,bM.bytesPerRow=c,NM.width=s,NM.height=i,p.copyTextureToBuffer(yM,bM,NM),yM.reset(),bM.reset(),NM.reset();const g=this._getTypedArrayType(l);zC(a,p.finish()),await h.mapAsync(GPUMapMode.READ);const m=h.getMappedRange().slice();return h.destroy(),new g(m)}dispose(){this._samplerCache.clear()}_getDefaultTextureGPU(e){let t=this.defaultTexture[e];if(void 0===t){const r=new N;r.minFilter=B,r.magFilter=B,this.createTexture(r,{width:1,height:1,format:e}),this.defaultTexture[e]=t=r}return this.backend.get(t).texture}_getDefaultCubeTextureGPU(e){let t=this.defaultCubeTexture[e];if(void 0===t){const r=new U;r.minFilter=B,r.magFilter=B,this.createTexture(r,{width:1,height:1,depth:6}),this.defaultCubeTexture[e]=t=r}return this.backend.get(t).texture}_copyCubeMapToTexture(e,t,r){const s=e.images,i=e.mipmaps;for(let n=0;n<6;n++){const a=s[n],o=!0===e.flipY?RM[n]:n;a.isDataTexture?this._copyBufferToTexture(a.image,t,r,o,e.flipY):this._copyImageToTexture(a,t,r,o,e.flipY,e.premultiplyAlpha);for(let s=0;s<i.length;s++){const a=i[s].images[n];a.isDataTexture?this._copyBufferToTexture(a.image,t,r,o,e.flipY,0,s+1):this._copyImageToTexture(a,t,r,o,e.flipY,e.premultiplyAlpha,s+1)}}}_copyImageToTexture(e,t,r,s,i,n,a=0){const o=this.backend.device,u=a>0?e.width:r.size.width,l=a>0?e.height:r.size.height;TM.source=e,TM.flipY=i,_M.texture=t,_M.mipLevel=a,_M.origin.z=s,_M.premultipliedAlpha=n,NM.width=u,NM.height=l;try{o.queue.copyExternalImageToTexture(TM,_M,NM)}catch(e){}finally{TM.reset(),_M.reset(),NM.reset()}}_getPassUtils(){let e=this._passUtils;return null===e&&(this._passUtils=e=new cM(this.backend.device)),e}_generateMipmaps(e,t=null){this._getPassUtils().generateMipmaps(e,t)}_flipY(e,t,r=0){this._getPassUtils().flipY(e,t,r)}_copyBufferToTexture(e,t,r,s,i,n=0,a=0){const o=this.backend.device,u=e.data,l=this._getBytesPerTexel(r.format),d=e.width*l;yM.texture=t,yM.mipLevel=a,yM.origin.z=s,xM.offset=e.width*e.height*l*n,xM.bytesPerRow=d,NM.width=e.width,NM.height=e.height,o.queue.writeTexture(yM,u,xM,NM),yM.reset(),xM.reset(),NM.reset(),!0===i&&this._flipY(t,r,s)}_copyCompressedBufferToTexture(e,t,r,s=null){const i=this.backend.device,n=this._getBlockData(r.format),a=r.size.depthOrArrayLayers>1,o=s&&s.size>0?s:null;for(let s=0;s<e.length;s++){const u=e[s],l=u.width,d=u.height,c=a?r.size.depthOrArrayLayers:1,h=Math.ceil(l/n.width)*n.byteLength,p=Math.ceil(d/n.height),g=h*p,m=Math.ceil(l/n.width)*n.width,f=p*n.height;if(null!==o)for(const e of o)EM(i,t,s,e,u,g,h,p,m,f);else for(let e=0;e<c;e++)EM(i,t,s,e,u,g,h,p,m,f)}}_getBlockData(e){return e===Ow||e===Iw?{byteLength:8,width:4,height:4}:e===Vw||e===kw||e===Gw||e===$w?{byteLength:16,width:4,height:4}:e===zw||e===Ww?{byteLength:8,width:4,height:4}:e===Hw||e===jw||e===qw||e===Xw||e===Yw||e===Kw?{byteLength:16,width:4,height:4}:e===Qw||e===Zw||e===Jw||e===eA?{byteLength:8,width:4,height:4}:e===tA||e===rA?{byteLength:16,width:4,height:4}:e===sA||e===iA?{byteLength:8,width:4,height:4}:e===nA||e===aA||e===oA||e===uA?{byteLength:16,width:4,height:4}:e===lA||e===dA?{byteLength:16,width:5,height:4}:e===cA||e===hA?{byteLength:16,width:5,height:5}:e===pA||e===gA?{byteLength:16,width:6,height:5}:e===mA||e===fA?{byteLength:16,width:6,height:6}:e===yA||e===bA?{byteLength:16,width:8,height:5}:e===xA||e===TA?{byteLength:16,width:8,height:6}:e===_A||e===vA?{byteLength:16,width:8,height:8}:e===NA||e===SA?{byteLength:16,width:10,height:5}:e===RA||e===EA?{byteLength:16,width:10,height:6}:e===wA||e===AA?{byteLength:16,width:10,height:8}:e===CA||e===MA?{byteLength:16,width:10,height:10}:e===BA||e===LA?{byteLength:16,width:12,height:10}:e===FA||e===PA?{byteLength:16,width:12,height:12}:void 0}_convertAddressMode(e){let t=UA;return e===$r?t=DA:e===Gr&&(t=OA),t}_convertFilterMode(e){let t=IA;return e!==B&&e!==zr&&e!==bt||(t=VA),t}_convertMipmapFilterMode(e){return e===bt||e===Q?IA:VA}_getBytesPerTexel(e){return e===WE||e===HE||e===jE||e===qE?1:e===XE||e===YE||e===KE||e===QE||e===ZE||e===JE||e===ew||e===tw||e===rw?2:e===sw||e===iw||e===nw||e===aw||e===ow||e===uw||e===lw||e===dw||e===cw||e===hw||e===pw||e===gw||e===mw||e===fw||e===yw||e===bw||e===xw||e===Tw||e===Uw||e===Fw||e===Pw||e===Dw?4:e===_w||e===vw||e===Nw||e===Sw||e===Rw||e===Ew||e===ww||e===Aw?8:e===Cw||e===Mw||e===Bw?16:void 0}_getTypedArrayType(e){return e===jE?Uint8Array:e===qE?Int8Array:e===WE?Uint8Array:e===HE?Int8Array:e===JE?Uint8Array:e===ew?Int8Array:e===QE?Uint8Array:e===ZE?Int8Array:e===hw?Uint8Array:e===pw?Int8Array:e===lw||e===dw?Uint8Array:e===cw?Int8Array:e===XE?Uint16Array:e===YE?Int16Array:e===aw?Uint16Array:e===ow?Int16Array:e===Sw?Uint16Array:e===Rw?Int16Array:e===KE||e===uw||e===Ew||e===tw?Uint16Array:e===rw?Int16Array:e===fw?Uint16Array:e===yw?Int16Array:e===ww?Uint16Array:e===Aw?Int16Array:e===sw?Uint32Array:e===iw?Int32Array:e===nw?Float32Array:e===_w?Uint32Array:e===vw?Int32Array:e===Nw?Float32Array:e===Cw?Uint32Array:e===Mw?Int32Array:e===Bw?Float32Array:e===gw||e===mw?Uint8Array:e===xw||e===bw||e===Tw?Uint32Array:e===Uw?Float32Array:e===Fw||e===Pw?Uint32Array:e===Dw?Float32Array:void 0}_getDimension(e){let t;return t=e.is3DTexture||e.isData3DTexture?wC:EC,t}}function AM(e,t){const r=e.format,s=e.type,i=e.normalized,n=e.colorSpace,a=p.getTransfer(n);let u,l=!1;if(i&&(l=t.features.has(UC.TextureFormatsTier1),!1===l&&d("WebGPURenderer: Unable to use normalized textures without texture-formats-tier1 feature.")),!0===e.isCompressedTexture||!0===e.isCompressedArrayTexture)switch(r){case or:case ur:u=a===g?Iw:Ow;break;case lr:u=a===g?kw:Vw;break;case dr:u=a===g?$w:Gw;break;case Ir:u=zw;break;case Vr:u=Ww;break;case W:u=Hw;break;case kr:u=jw;break;case Ur:u=a===g?Kw:Yw;break;case Dr:u=Xw;break;case Or:u=qw;break;case fr:case mr:u=a===g?Zw:Qw;break;case yr:u=a===g?rA:tA;break;case br:u=sA;break;case xr:u=iA;break;case H:u=nA;break;case Tr:u=aA;break;case _r:u=a===g?uA:oA;break;case vr:u=a===g?dA:lA;break;case Nr:u=a===g?hA:cA;break;case Sr:u=a===g?gA:pA;break;case Rr:u=a===g?fA:mA;break;case Er:u=a===g?bA:yA;break;case wr:u=a===g?TA:xA;break;case Ar:u=a===g?vA:_A;break;case Cr:u=a===g?SA:NA;break;case Mr:u=a===g?EA:RA;break;case Br:u=a===g?AA:wA;break;case Lr:u=a===g?MA:CA;break;case Fr:u=a===g?LA:BA;break;case Pr:u=a===g?PA:FA;break;case Ee:u=a===g?dw:lw;break;default:o("WebGPURenderer: Unsupported texture format.",r)}else switch(r){case Ee:switch(s){case Ie:u=cw;break;case ke:u=l?Aw:Rw;break;case Ge:u=l?ww:Sw;break;case S:u=Cw;break;case R:u=Mw;break;case Ve:u=a===g?dw:lw;break;case Te:u=Ew;break;case Y:u=Bw;break;default:o("WebGPURenderer: Unsupported texture type with RGBAFormat.",s)}break;case Xe:switch(s){case Je:u=bw;break;case et:u=Tw;break;default:o("WebGPURenderer: Unsupported texture type with RGBFormat.",s)}break;case ze:switch(s){case Ie:u=HE;break;case ke:u=l?rw:YE;break;case Ge:u=l?tw:XE;break;case S:u=sw;break;case R:u=iw;break;case Ve:u=WE;break;case Te:u=KE;break;case Y:u=nw;break;default:o("WebGPURenderer: Unsupported texture type with RedFormat.",s)}break;case z:switch(s){case Ie:u=ZE;break;case ke:u=l?yw:ow;break;case Ge:u=l?fw:aw;break;case S:u=_w;break;case R:u=vw;break;case Ve:u=QE;break;case Te:u=uw;break;case Y:u=Nw;break;default:o("WebGPURenderer: Unsupported texture type with RGFormat.",s)}break;case He:switch(s){case Ge:u=Lw;break;case S:u=Fw;break;case Y:u=Uw;break;default:o("WebGPURenderer: Unsupported texture type with DepthFormat.",s)}break;case je:switch(s){case Ze:u=Pw;break;case Y:t&&!1===t.features.has(UC.Depth32FloatStencil8)&&o('WebGPURenderer: Depth textures with DepthStencilFormat + FloatType can only be used with the "depth32float-stencil8" GPU feature.'),u=Dw;break;default:o("WebGPURenderer: Unsupported texture type with DepthStencilFormat.",s)}break;case We:switch(s){case R:u=iw;break;case S:u=sw;break;default:o("WebGPURenderer: Unsupported texture type with RedIntegerFormat.",s)}break;case qe:switch(s){case R:u=vw;break;case S:u=_w;break;default:o("WebGPURenderer: Unsupported texture type with RGIntegerFormat.",s)}break;case Ft:switch(s){case R:u=Mw;break;case S:u=Cw;break;default:o("WebGPURenderer: Unsupported texture type with RGBAIntegerFormat.",s)}break;default:o("WebGPURenderer: Unsupported texture format.",r)}return u}const CM=/^[fn]*\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)\s*[\-\>]*\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/i,MM=/([a-z_0-9]+)\s*:\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/gi,BM={f32:"float",i32:"int",u32:"uint",bool:"bool","vec2<f32>":"vec2","vec2<i32>":"ivec2","vec2<u32>":"uvec2","vec2<bool>":"bvec2",vec2f:"vec2",vec2i:"ivec2",vec2u:"uvec2",vec2b:"bvec2","vec3<f32>":"vec3","vec3<i32>":"ivec3","vec3<u32>":"uvec3","vec3<bool>":"bvec3",vec3f:"vec3",vec3i:"ivec3",vec3u:"uvec3",vec3b:"bvec3","vec4<f32>":"vec4","vec4<i32>":"ivec4","vec4<u32>":"uvec4","vec4<bool>":"bvec4",vec4f:"vec4",vec4i:"ivec4",vec4u:"uvec4",vec4b:"bvec4","mat2x2<f32>":"mat2",mat2x2f:"mat2","mat3x3<f32>":"mat3",mat3x3f:"mat3","mat4x4<f32>":"mat4",mat4x4f:"mat4",sampler:"sampler",texture_1d:"texture",texture_2d:"texture",texture_2d_array:"texture",texture_multisampled_2d:"cubeTexture",texture_depth_2d:"depthTexture",texture_depth_2d_array:"depthTexture",texture_depth_multisampled_2d:"depthTexture",texture_depth_cube:"depthTexture",texture_depth_cube_array:"depthTexture",texture_3d:"texture3D",texture_cube:"cubeTexture",texture_cube_array:"cubeTexture",texture_storage_1d:"storageTexture",texture_storage_2d:"storageTexture",texture_storage_2d_array:"storageTexture",texture_storage_3d:"storageTexture"};class LM extends WS{constructor(e){const{type:t,inputs:r,name:s,inputsCode:i,blockCode:n,outputType:a}=(e=>{const t=(e=e.trim()).match(CM);if(null!==t&&4===t.length){const r=t[2],s=[];let i=null;for(;null!==(i=MM.exec(r));)s.push({name:i[1],type:i[2]});const n=[];for(let e=0;e<s.length;e++){const{name:t,type:r}=s[e];let i=r;i.startsWith("ptr")?i="pointer":(i.startsWith("texture")&&(i=r.split("<")[0]),i=BM[i]),n.push(new MS(i,t))}const a=e.substring(t[0].length),o=t[3]||"void",u=void 0!==t[1]?t[1]:"";return{type:BM[o]||o,inputs:n,name:u,inputsCode:r,blockCode:a,outputType:o}}throw new Error("THREE.WGSLNodeFunction: Function is not a WGSL code.")})(e);super(t,r,s),this.inputsCode=i,this.blockCode=n,this.outputType=a}getCode(e=this.name){const t="void"!==this.outputType?"-> "+this.outputType:"";return`fn ${e} ( ${this.inputsCode.trim()} ) ${t}`+this.blockCode}}class FM extends zS{parseFunction(e){return new LM(e)}}const PM={[ai.READ_ONLY]:"read",[ai.WRITE_ONLY]:"write",[ai.READ_WRITE]:"read_write"},UM={[$r]:"repeat",[_e]:"clamp",[Gr]:"mirror"},DM={vertex:EE.VERTEX,fragment:EE.FRAGMENT,compute:EE.COMPUTE},OM={instance:!0,swizzleAssign:!1,storageBuffer:!0},IM={"^^":"tsl_xor"},VM={float:"f32",int:"i32",uint:"u32",bool:"bool",color:"vec3<f32>",vec2:"vec2<f32>",ivec2:"vec2<i32>",uvec2:"vec2<u32>",bvec2:"vec2<bool>",vec3:"vec3<f32>",ivec3:"vec3<i32>",uvec3:"vec3<u32>",bvec3:"vec3<bool>",vec4:"vec4<f32>",ivec4:"vec4<i32>",uvec4:"vec4<u32>",bvec4:"vec4<bool>",mat2:"mat2x2<f32>",mat3:"mat3x3<f32>",mat4:"mat4x4<f32>"},kM={},GM={tsl_xor:new zT("fn tsl_xor( a : bool, b : bool ) -> bool { return ( a || b ) && !( a && b ); }"),mod_float:new zT("fn tsl_mod_float( x : f32, y : f32 ) -> f32 { return x - y * floor( x / y ); }"),mod_vec2:new zT("fn tsl_mod_vec2( x : vec2f, y : vec2f ) -> vec2f { return x - y * floor( x / y ); }"),mod_vec3:new zT("fn tsl_mod_vec3( x : vec3f, y : vec3f ) -> vec3f { return x - y * floor( x / y ); }"),mod_vec4:new zT("fn tsl_mod_vec4( x : vec4f, y : vec4f ) -> vec4f { return x - y * floor( x / y ); }"),equals_bool:new zT("fn tsl_equals_bool( a : bool, b : bool ) -> bool { return a == b; }"),equals_bvec2:new zT("fn tsl_equals_bvec2( a : vec2f, b : vec2f ) -> vec2<bool> { return vec2<bool>( a.x == b.x, a.y == b.y ); }"),equals_bvec3:new zT("fn tsl_equals_bvec3( a : vec3f, b : vec3f ) -> vec3<bool> { return vec3<bool>( a.x == b.x, a.y == b.y, a.z == b.z ); }"),equals_bvec4:new zT("fn tsl_equals_bvec4( a : vec4f, b : vec4f ) -> vec4<bool> { return vec4<bool>( a.x == b.x, a.y == b.y, a.z == b.z, a.w == b.w ); }"),repeatWrapping_float:new zT("fn tsl_repeatWrapping_float( coord: f32 ) -> f32 { return fract( coord ); }"),mirrorWrapping_float:new zT("fn tsl_mirrorWrapping_float( coord: f32 ) -> f32 { let mirrored = fract( coord * 0.5 ) * 2.0; return 1.0 - abs( 1.0 - mirrored ); }"),clampWrapping_float:new zT("fn tsl_clampWrapping_float( coord: f32 ) -> f32 { return clamp( coord, 0.0, 1.0 ); }"),biquadraticTexture:new zT("\nfn tsl_biquadraticTexture( map : texture_2d<f32>, coord : vec2f, iRes : vec2u, level : u32 ) -> vec4f {\n\n\tlet res = vec2f( iRes );\n\n\tlet uvScaled = coord * res;\n\tlet uvWrapping = ( ( uvScaled % res ) + res ) % res;\n\n\t// https://www.shadertoy.com/view/WtyXRy\n\n\tlet uv = uvWrapping - 0.5;\n\tlet iuv = floor( uv );\n\tlet f = fract( uv );\n\n\tlet rg1 = textureLoad( map, vec2u( iuv + vec2( 0.5, 0.5 ) ) % iRes, level );\n\tlet rg2 = textureLoad( map, vec2u( iuv + vec2( 1.5, 0.5 ) ) % iRes, level );\n\tlet rg3 = textureLoad( map, vec2u( iuv + vec2( 0.5, 1.5 ) ) % iRes, level );\n\tlet rg4 = textureLoad( map, vec2u( iuv + vec2( 1.5, 1.5 ) ) % iRes, level );\n\n\treturn mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );\n\n}\n"),biquadraticTextureArray:new zT("\nfn tsl_biquadraticTexture_array( map : texture_2d_array<f32>, coord : vec2f, iRes : vec2u, layer : u32, level : u32 ) -> vec4f {\n\n\tlet res = vec2f( iRes );\n\n\tlet uvScaled = coord * res;\n\tlet uvWrapping = ( ( uvScaled % res ) + res ) % res;\n\n\t// https://www.shadertoy.com/view/WtyXRy\n\n\tlet uv = uvWrapping - 0.5;\n\tlet iuv = floor( uv );\n\tlet f = fract( uv );\n\n\tlet rg1 = textureLoad( map, vec2u( iuv + vec2( 0.5, 0.5 ) ) % iRes, layer, level );\n\tlet rg2 = textureLoad( map, vec2u( iuv + vec2( 1.5, 0.5 ) ) % iRes, layer, level );\n\tlet rg3 = textureLoad( map, vec2u( iuv + vec2( 0.5, 1.5 ) ) % iRes, layer, level );\n\tlet rg4 = textureLoad( map, vec2u( iuv + vec2( 1.5, 1.5 ) ) % iRes, layer, level );\n\n\treturn mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );\n\n}\n")},$M={dFdx:"dpdx",dFdy:"- dpdy",mod_float:"tsl_mod_float",mod_vec2:"tsl_mod_vec2",mod_vec3:"tsl_mod_vec3",mod_vec4:"tsl_mod_vec4",equals_bool:"tsl_equals_bool",equals_bvec2:"tsl_equals_bvec2",equals_bvec3:"tsl_equals_bvec3",equals_bvec4:"tsl_equals_bvec4",inversesqrt:"inverseSqrt",bitcast:"bitcast<f32>",floatpack_snorm_2x16:"pack2x16snorm",floatpack_unorm_2x16:"pack2x16unorm",floatpack_float16_2x16:"pack2x16float",floatunpack_snorm_2x16:"unpack2x16snorm",floatunpack_unorm_2x16:"unpack2x16unorm",floatunpack_float16_2x16:"unpack2x16float"};let zM="";!0!==("undefined"!=typeof navigator&&/Firefox|Deno/g.test(navigator.userAgent))&&(zM+="diagnostic( off, derivative_uniformity );\n");class WM extends AS{constructor(e,t){super(e,t,new FM),this.uniformGroups={},this.uniformGroupsBindings={},this.builtins={},this.directives={},this.scopedArrays=new Map,this.allowEarlyReturns=!0,this.allowGlobalVariables=!0}_generateTextureSample(e,t,r,s,i,n=this.shaderStage){return"fragment"===n?s?i?`textureSample( ${t}, ${t}_sampler, ${r}, ${s}, ${i} )`:`textureSample( ${t}, ${t}_sampler, ${r}, ${s} )`:i?`textureSample( ${t}, ${t}_sampler, ${r}, ${i} )`:`textureSample( ${t}, ${t}_sampler, ${r} )`:this.generateTextureSampleLevel(e,t,r,"0",s)}generateTextureSampleLevel(e,t,r,s,i,n){return!1===this.isUnfilterable(e)?i?n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s} )`:this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r,n,s,i):this.generateTextureLod(e,t,r,i,n,s)}generateWrapFunction(e){const t=`tsl_coord_${UM[e.wrapS]}S_${UM[e.wrapT]}T_${e.is3DTexture||e.isData3DTexture?"3d":"2d"}`;let r=kM[t];if(void 0===r){const s=[],i=e.is3DTexture||e.isData3DTexture?"vec3f":"vec2f";let n=`fn ${t}( coord : ${i} ) -> ${i} {\n\n\treturn ${i}(\n`;const a=(e,t)=>{e===$r?(s.push(GM.repeatWrapping_float),n+=`\t\ttsl_repeatWrapping_float( coord.${t} )`):e===_e?(s.push(GM.clampWrapping_float),n+=`\t\ttsl_clampWrapping_float( coord.${t} )`):e===Gr?(s.push(GM.mirrorWrapping_float),n+=`\t\ttsl_mirrorWrapping_float( coord.${t} )`):(n+=`\t\tcoord.${t}`,d(`WebGPURenderer: Unsupported texture wrap type "${e}" for vertex shader.`))};a(e.wrapS,"x"),n+=",\n",a(e.wrapT,"y"),(e.is3DTexture||e.isData3DTexture)&&(n+=",\n",a(e.wrapR,"z")),n+="\n\t);\n\n}\n",kM[t]=r=new zT(n,s)}return r.build(this),t}generateArrayDeclaration(e,t){return`array< ${this.getType(e)}, ${t} >`}generateTextureDimension(e,t,r){const s=this.getDataFromNode(e,this.shaderStage,this.cache);void 0===s.dimensionsSnippet&&(s.dimensionsSnippet={});let i=s.dimensionsSnippet[r];if(void 0===s.dimensionsSnippet[r]){let n,a;const{primarySamples:o}=this.renderer.backend.utils.getTextureSampleData(e),u=o>1;a=e.is3DTexture||e.isData3DTexture?"vec3<u32>":"vec2<u32>",n=u||e.isStorageTexture?t:`${t}${r?`, u32( ${r} )`:""}`,i=new Iu(new Bl(`textureDimensions( ${n} )`,a)),s.dimensionsSnippet[r]=i,(e.isArrayTexture||e.isDataArrayTexture||e.is3DTexture||e.isData3DTexture)&&(s.arrayLayerCount=new Iu(new Bl(`textureNumLayers(${t})`,"u32"))),e.isTextureCube&&(s.cubeFaceCount=new Iu(new Bl("6u","u32")))}return i.build(this)}generateFilteredTexture(e,t,r,s,i="0u",n){const a=this.generateWrapFunction(e),o=this.generateTextureDimension(e,t,i);return s&&(r=`${r} + vec2<f32>(${s}) / ${o}`),n?(this._include("biquadraticTextureArray"),`tsl_biquadraticTexture_array( ${t}, ${a}( ${r} ), ${o}, u32( ${n} ), u32( ${i} ) )`):(this._include("biquadraticTexture"),`tsl_biquadraticTexture( ${t}, ${a}( ${r} ), ${o}, u32( ${i} ) )`)}generateTextureLod(e,t,r,s,i,n="0u"){if(!0===e.isCubeTexture){i&&(r=`${r} + vec3<f32>(${i})`);return`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${e.isDepthTexture?"u32":"f32"}( ${n} ) )`}const a=this.generateWrapFunction(e),o=this.generateTextureDimension(e,t,n),u=e.is3DTexture||e.isData3DTexture?"vec3":"vec2";i&&(r=`${r} + ${u}<f32>(${i}) / ${u}<f32>( ${o} )`);return r=`${u}<u32>( clamp( floor( ${a}( ${r} ) * ${u}<f32>( ${o} ) ), ${`${u}<f32>( 0 )`}, ${`${u}<f32>( ${o} - ${"vec3"===u?"vec3<u32>( 1, 1, 1 )":"vec2<u32>( 1, 1 )"} )`} ) )`,this.generateTextureLoad(e,t,r,n,s,null)}generateStorageTextureLoad(e,t,r,s,i,n){let a;return n&&(r=`${r} + ${n}`),a=i?`textureLoad( ${t}, ${r}, ${i} )`:`textureLoad( ${t}, ${r} )`,a}generateTextureLoad(e,t,r,s,i,n){let a;return null===s&&(s="0u"),n&&(r=`${r} + ${n}`),i?a=`textureLoad( ${t}, ${r}, ${i}, u32( ${s} ) )`:(a=`textureLoad( ${t}, ${r}, u32( ${s} ) )`,this.renderer.backend.compatibilityMode&&e.isDepthTexture&&(a+=".x")),a}generateTextureStore(e,t,r,s,i){let n;return n=s?`textureStore( ${t}, ${r}, ${s}, ${i} )`:`textureStore( ${t}, ${r}, ${i} )`,n}isSampleCompare(e){return!0===e.isDepthTexture&&null!==e.compareFunction&&this.renderer.hasCompatibility(E.TEXTURE_COMPARE)}isUnfilterable(e){return"float"!==this.getComponentTypeFromTexture(e)||!this.isAvailable("float32Filterable")&&e.type===Y||!1===this.isSampleCompare(e)&&e.minFilter===B&&e.magFilter===B||this.renderer.backend.utils.getTextureSampleData(e).primarySamples>1}generateTexture(e,t,r,s,i,n=this.shaderStage){let a=null;return a=this.isUnfilterable(e)?this.generateTextureLod(e,t,r,s,i,"0",n):this._generateTextureSample(e,t,r,s,i,n),a}generateTextureGrad(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return i?n?`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${i}, ${s[0]}, ${s[1]}, ${n} )`:`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${i}, ${s[0]}, ${s[1]} )`:n?`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${s[0]}, ${s[1]}, ${n} )`:`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${s[0]}, ${s[1]} )`;o(`WebGPURenderer: THREE.TextureNode.gradient() does not support ${a} shader.`)}generateTextureCompare(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return!0===e.isDepthTexture&&!0===e.isArrayTexture?n?`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${s} )`;o(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${a} shader.`)}generateTextureGather(e,t,r,s,i,n){const a=!0===e.isDepthTexture?"":`${s}, `;return i?n?`textureGather( ${a}${t}, ${t}_sampler, ${r}, ${i}, ${n} )`:`textureGather( ${a}${t}, ${t}_sampler, ${r}, ${i} )`:n?`textureGather( ${a}${t}, ${t}_sampler, ${r}, ${n} )`:`textureGather( ${a}${t}, ${t}_sampler, ${r})`}generateTextureGatherCompare(e,t,r,s,i,n){return i?n?`textureGatherCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureGatherCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s})`:n?`textureGatherCompare( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureGatherCompare( ${t}, ${t}_sampler, ${r}, ${s})`}generateTextureLevel(e,t,r,s,i,n){return!1===this.isUnfilterable(e)?i?n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s} )`:this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r,n,s,i):this.generateTextureLod(e,t,r,i,n,s)}generateTextureBias(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return i?n?`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${s} )`;o(`WebGPURenderer: THREE.TextureNode.biasNode does not support ${a} shader.`)}getPropertyName(e,t=this.shaderStage){if(!0===e.isNodeVarying&&!0===e.needsInterpolation){if("vertex"===t)return`varyings.${e.name}`}else if(!0===e.isNodeUniform){const t=e.name,r=e.type;return"texture"===r||"cubeTexture"===r||"cubeDepthTexture"===r||"storageTexture"===r||"texture3D"===r?t:"buffer"===r||"storageBuffer"===r||"indirectStorageBuffer"===r?this.isCustomStruct(e)?t:t+".value":e.groupNode.name+"."+t}return super.getPropertyName(e)}getOutputStructName(){return"output"}getFunctionOperator(e){const t=IM[e];return void 0!==t?(this._include(t),t):null}getNodeAccess(e,t){return"compute"!==t?!0===e.isAtomic?(d("WebGPURenderer: Atomic operations are only supported in compute shaders."),ai.READ_WRITE):ai.READ_ONLY:e.access}getStorageAccess(e,t){return PM[this.getNodeAccess(e,t)]}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);if(void 0===n.uniformGPU){let a;const o=e.groupNode,u=o.name,l=this.getBindGroupArray(u,r);if("texture"===t||"cubeTexture"===t||"cubeDepthTexture"===t||"storageTexture"===t||"texture3D"===t){let s=null;const n=this.getNodeAccess(e,r);"texture"===t||"storageTexture"===t?s=!0===e.value.is3DTexture?new WR(i.name,i.node,o,n):new $R(i.name,i.node,o,n):"cubeTexture"===t||"cubeDepthTexture"===t?s=new zR(i.name,i.node,o,n):"texture3D"===t&&(s=new WR(i.name,i.node,o,n)),s.store=!0===e.isStorageTextureNode,s.mipLevel=s.store?e.mipLevel:0,s.setVisibility(DM[r]);if(!0===e.value.isCubeTexture||!1===this.isUnfilterable(e.value)&&!1===s.store||null!==e.gatherNode){const e=new OC(`${i.name}_sampler`,i.node,o);e.setVisibility(DM[r]),l.push(e,s),a=[e,s]}else l.push(s),a=[s]}else if("buffer"===t||"storageBuffer"===t||"indirectStorageBuffer"===t){const n=this.getSharedDataFromNode(e);let u=n.buffer;if(void 0===u){u=new("buffer"===t?UR:kC)(e,o),n.buffer=u}u.setVisibility(u.getVisibility()|DM[r]),l.push(u),a=u,i.name=s||"NodeBuffer_"+i.id}else{let e=this.uniformGroups[u];void 0===e&&(e=new IR(u,o),e.setVisibility(EE.VERTEX|EE.FRAGMENT|EE.COMPUTE),this.uniformGroups[u]=e),-1===l.indexOf(e)&&l.push(e),a=this.getNodeUniform(i,t);const r=a.name;e.uniforms.some(e=>e.name===r)||e.addUniform(a)}n.uniformGPU=a}return i}getBuiltin(e,t,r,s=this.shaderStage){const i=this.builtins[s]||(this.builtins[s]=new Map);return!1===i.has(e)&&i.set(e,{name:e,property:t,type:r}),t}hasBuiltin(e,t=this.shaderStage){return void 0!==this.builtins[t]&&this.builtins[t].has(e)}getVertexIndex(){return"vertex"===this.shaderStage?this.getBuiltin("vertex_index","vertexIndex","u32","attribute"):"vertexIndex"}buildFunctionCode(e){const t=e.layout,r=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(e.name+" : "+this.getType(e.type));let i=`fn ${t.name}( ${s.join(", ")} ) -> ${this.getType(t.type)} {\n${r.vars}\n${r.code}\n`;return r.result&&(i+=`\treturn ${r.result};\n`),i+="\n}\n",i}getInstanceIndex(){return"vertex"===this.shaderStage?this.getBuiltin("instance_index","instanceIndex","u32","attribute"):"instanceIndex"}getInvocationLocalIndex(){return this.getBuiltin("local_invocation_index","invocationLocalIndex","u32","attribute")}getSubgroupSize(){return this.enableSubGroups(),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute")}getInvocationSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_invocation_id","invocationSubgroupIndex","u32","attribute")}getSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_id","subgroupIndex","u32","attribute")}getDrawIndex(){return null}getFrontFacing(){return this.getBuiltin("front_facing","isFront","bool")}getFragCoord(){return this.getBuiltin("position","fragCoord","vec4<f32>")+".xy"}getFragDepth(){return"output."+this.getBuiltin("frag_depth","depth","f32","output")}getClipDistance(){return"varyings.hw_clip_distances"}isFlipY(){return!1}enableDirective(e,t=this.shaderStage){(this.directives[t]||(this.directives[t]=new Set)).add(e)}getDirectives(e){const t=[],r=this.directives[e];if(void 0!==r)for(const e of r)t.push(`enable ${e};`);return t.join("\n")}enableSubGroups(){this.enableDirective("subgroups")}enableSubgroupsF16(){this.enableDirective("subgroups-f16")}enableClipDistances(){this.enableDirective("clip_distances")}enableShaderF16(){this.enableDirective("f16")}enableDualSourceBlending(){this.enableDirective("dual_source_blending")}enableHardwareClipping(e){this.enableClipDistances(),this.getBuiltin("clip_distances","hw_clip_distances",`array<f32, ${e} >`,"vertex")}getBuiltins(e){const t=[],r=this.builtins[e];if(void 0!==r)for(const{name:e,property:s,type:i}of r.values())t.push(`@builtin( ${e} ) ${s} : ${i}`);return t.join(",\n\t")}getScopedArray(e,t,r,s){return!1===this.scopedArrays.has(e)&&this.scopedArrays.set(e,{name:e,scope:t,bufferType:r,bufferCount:s}),e}getScopedArrays(e){if("compute"!==e)return;const t=[];for(const{name:e,scope:r,bufferType:s,bufferCount:i}of this.scopedArrays.values()){const n=this.getType(s);t.push(`var<${r}> ${e}: array< ${n}, ${i} >;`)}return t.join("\n")}getAttributes(e){const t=[];if("compute"===e&&(this.getBuiltin("global_invocation_id","globalId","vec3<u32>","attribute"),this.getBuiltin("workgroup_id","workgroupId","vec3<u32>","attribute"),this.getBuiltin("local_invocation_id","localId","vec3<u32>","attribute"),this.getBuiltin("num_workgroups","numWorkgroups","vec3<u32>","attribute"),this.renderer.hasFeature("subgroups")&&(this.enableDirective("subgroups",e),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute"))),"vertex"===e||"compute"===e){const e=this.getBuiltins("attribute");e&&t.push(e);const r=this.getAttributesArray();for(let e=0,s=r.length;e<s;e++){const s=r[e],i=s.name,n=this.getType(s.type);t.push(`@location( ${e} ) ${i} : ${n}`)}}return t.join(",\n\t")}getStructMembers(e){const t=[];for(const r of e.members){const s=e.output?"@location( "+r.index+" ) ":"";let i=this.getType(r.type);r.atomic&&(i="atomic< "+i+" >"),t.push(`\t${s+r.name} : ${i}`)}return e.output&&t.push(`\t${this.getBuiltins("output")}`),t.join(",\n")}getStructs(e){let t="";const r=this.structs[e];if(r.length>0){const e=[];for(const t of r){let r=`struct ${t.name} {\n`;r+=this.getStructMembers(t),r+="\n};",e.push(r)}t="\n"+e.join("\n\n")+"\n"}return t}getVar(e,t,r=null,s=""){let i=`var${s} ${t} : `;return i+=null!==r?this.generateArrayDeclaration(e,r):this.getType(e),i}getVars(e,t=!1){let r="";t&&(r="<private>");const s=[],i=this.vars[e];if(void 0!==i)for(const e of i)s.push(`${this.getVar(e.type,e.name,e.count,r)};`);return t?s.join("\n"):`\n\t${s.join("\n\t")}\n`}getVaryings(e){const t=[];if("vertex"===e&&this.getBuiltin("position","builtinClipSpace","vec4<f32>","vertex"),"vertex"===e||"fragment"===e){const r=this.varyings,s=this.vars[e];let i=0;for(let n=0;n<r.length;n++){const a=r[n];if(a.needsInterpolation){let e=`@location( ${i++} )`;if(a.interpolationType){const t=null!==a.interpolationSampling?`, ${a.interpolationSampling} )`:" )";e+=` @interpolate( ${a.interpolationType}${t}`}else/^(int|uint|ivec|uvec)/.test(a.type)&&(e+=" @interpolate(flat, either)");t.push(`${e} ${a.name} : ${this.getType(a.type)}`)}else"vertex"===e&&!1===s.includes(a)&&s.push(a)}}const r=this.getBuiltins(e);r&&t.push(r);const s=t.join(",\n\t");return"vertex"===e?this._getWGSLStruct("VaryingsStruct","\t"+s):s}isCustomStruct(e){const t=e.value,r=e.node,s=(t.isBufferAttribute||t.isInstancedBufferAttribute)&&null!==r.structTypeNode,i=r.value&&r.value.array&&"number"==typeof r.value.itemSize&&r.value.array.length>r.value.itemSize;return s&&!i}getUniforms(e){const t=this.renderer.backend,r=this.uniforms[e],s=[],i=[],n=[],a={};for(const n of r){const r=n.groupNode.name,o=this.bindingsIndexes[r];if("texture"===n.type||"cubeTexture"===n.type||"cubeDepthTexture"===n.type||"storageTexture"===n.type||"texture3D"===n.type){const r=n.node,i=r.value;let a;(!0===i.isCubeTexture||!1===this.isUnfilterable(i)&&!0!==r.isStorageTextureNode||null!==r.gatherNode)&&(this.isSampleCompare(i)&&null!==r.compareNode?s.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${n.name}_sampler : sampler_comparison;`):s.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${n.name}_sampler : sampler;`));let u="";const{primarySamples:l}=t.utils.getTextureSampleData(i);if(l>1&&(u="_multisampled"),!0===i.isCubeTexture&&!0===i.isDepthTexture)a="texture_depth_cube";else if(!0===i.isCubeTexture)a="texture_cube<f32>";else if(!0===i.isDepthTexture)a=t.compatibilityMode&&null===i.compareFunction?`texture${u}_2d<f32>`:`texture_depth${u}_2d${!0===i.isArrayTexture?"_array":""}`;else if(!0===n.node.isStorageTextureNode){const r=AM(i,t.device),s=this.getStorageAccess(n.node,e),o=n.node.value.is3DTexture,u=n.node.value.isArrayTexture;a=`texture_storage_${o?"3d":"2d"+(u?"_array":"")}<${r}, ${s}>`}else if(!0===i.isArrayTexture||!0===i.isDataArrayTexture||!0===i.isCompressedArrayTexture)a="texture_2d_array<f32>";else if(!0===i.is3DTexture||!0===i.isData3DTexture)a="texture_3d<f32>";else{a=`texture${u}_2d<${this.getComponentTypeFromTexture(i).charAt(0)}32>`}s.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${n.name} : ${a};`)}else if("buffer"===n.type||"storageBuffer"===n.type||"indirectStorageBuffer"===n.type){const t=n.node,r=this.getType(t.getNodeType(this)),s=t.bufferCount,a=s>0&&"buffer"===n.type?", "+s:"",u=t.isStorageBufferNode?`storage, ${this.getStorageAccess(t,e)}`:"uniform";if(this.isCustomStruct(n))i.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var<${u}> ${n.name} : ${r};`);else{const e=`\tvalue : array< ${t.isAtomic?`atomic<${r}>`:`${r}`}${a} >`;i.push(this._getWGSLStructBinding(n.name,e,u,o.binding++,o.group))}}else{const e=n.groupNode.name;if(void 0===a[e]){const t=this.uniformGroups[e];if(void 0!==t){const r=[];for(const e of t.uniforms){const t=e.getType(),s=this.getType(this.getVectorType(t));r.push(`\t${e.name} : ${s}`)}let s=this.uniformGroupsBindings[e];void 0===s&&(s={index:o.binding++,id:o.group},this.uniformGroupsBindings[e]=s),a[e]={index:s.index,id:s.id,snippets:r}}}}}for(const e in a){const t=a[e];n.push(this._getWGSLStructBinding(e,t.snippets.join(",\n"),"uniform",t.index,t.id))}return[...s,...i,...n].join("\n")}buildCode(){const e=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){this.shaderStage=t;const r=this.allowGlobalVariables,s=e[t];s.uniforms=this.getUniforms(t),s.attributes=this.getAttributes(t),s.varyings=this.getVaryings(t),s.structs=this.getStructs(t),s.vars=this.getVars(t,r),s.codes=this.getCodes(t),s.directives=this.getDirectives(t),s.scopedArrays=this.getScopedArrays(t);let i="// code\n\n";i+=this.flowCode[t];const n=this.flowNodes[t],a=n[n.length-1],o=a.outputNode,u=void 0!==o&&!0===o.isOutputStructNode;for(const e of n){const r=this.getFlowData(e),n=e.name;if(n&&(i.length>0&&(i+="\n"),i+=`\t// flow -> ${n}\n`),i+=`${r.code}\n\t`,e===a&&"compute"!==t)if(i+="// result\n\n\t","vertex"===t)i+=`varyings.builtinClipSpace = ${r.result};`;else if("fragment"===t)if(u)s.returnType=o.getNodeType(this),s.structs+="var<private> output : "+s.returnType+";",i+=`return ${r.result};`;else{let e=`\t@location( 0 ) color: ${this.getType(this.getOutputType())}`;const t=this.getBuiltins("output");t&&(e+=",\n\t"+t),s.returnType="OutputStruct",s.structs+=this._getWGSLStruct("OutputStruct",e),s.structs+="\nvar<private> output : OutputStruct;",i+=`output.color = ${this.format(r.result,a.getNodeType(this),this.getOutputType())};\n\n\treturn output;`}}s.flow=i}if(this.shaderStage=null,null!==this.material)this.vertexShader=this._getWGSLVertexCode(e.vertex),this.fragmentShader=this._getWGSLFragmentCode(e.fragment);else{const t=this.object.workgroupSize;this.computeShader=this._getWGSLComputeCode(e.compute,t)}}getMethod(e,t=null){let r;return null!==t&&(r=this._getWGSLMethod(e+"_"+t)),void 0===r&&(r=this._getWGSLMethod(e)),r||e}getBitcastMethod(e){return`bitcast<${this.getType(e)}>`}getFloatPackingMethod(e){return this.getMethod(`floatpack_${e}_2x16`)}getFloatUnpackingMethod(e){return this.getMethod(`floatunpack_${e}_2x16`)}getTernary(e,t,r){return`select( ${r}, ${t}, ${e} )`}getType(e){return VM[e]||e}isAvailable(e){let t=OM[e];return void 0===t&&("float32Filterable"===e?t=this.renderer.hasFeature("float32-filterable"):"clipDistance"===e&&(t=this.renderer.hasFeature("clip-distances")),OM[e]=t),t}_getWGSLMethod(e){return void 0!==GM[e]&&this._include(e),$M[e]}_include(e){const t=GM[e];return t.build(this),this.addInclude(t),t}_getWGSLVertexCode(e){return`${this.getSignature()}\n// directives\n${e.directives}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\nvar<private> varyings : VaryingsStruct;\n\n// vars\n${e.vars}\n\n// codes\n${e.codes}\n\n@vertex\nfn main( ${e.attributes} ) -> VaryingsStruct {\n\n\t// flow\n\t${e.flow}\n\n\treturn varyings;\n\n}\n`}_getWGSLFragmentCode(e){return`${this.getSignature()}\n// global\n${zM}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// vars\n${e.vars}\n\n// codes\n${e.codes}\n\n@fragment\nfn main( ${e.varyings} ) -> ${e.returnType} {\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLComputeCode(e,t){const[r,s,i]=t;return`${this.getSignature()}\n// directives\n${e.directives}\n\n// system\nvar<private> instanceIndex : u32;\n\n// locals\n${e.scopedArrays}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// vars\n${this.allowGlobalVariables?e.vars:""}\n\n// codes\n${e.codes}\n\n@compute @workgroup_size( ${r}, ${s}, ${i} )\nfn main( ${e.attributes} ) {\n\n\t// local vars\n\t${this.allowGlobalVariables?"":e.vars}\n\n\t// system\n\tinstanceIndex = globalId.x\n\t\t+ globalId.y * ( ${r} * numWorkgroups.x )\n\t\t+ globalId.z * ( ${r} * numWorkgroups.x ) * ( ${s} * numWorkgroups.y );\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLStruct(e,t){return`\nstruct ${e} {\n${t}\n};`}_getWGSLStructBinding(e,t,r,s=0,i=0){const n=e+"Struct";return`${this._getWGSLStruct(n,t)}\n@binding( ${s} ) @group( ${i} )\nvar<${r}> ${e} : ${n};`}}const HM=new HC,jM=new jC,qM=new Map([[Int8Array,["sint8","snorm8"]],[Uint8Array,["uint8","unorm8"]],[Int16Array,["sint16","snorm16"]],[Uint16Array,["uint16","unorm16"]],[Int32Array,["sint32","snorm32"]],[Uint32Array,["uint32","unorm32"]],[Float32Array,["float32"]]]);"undefined"!=typeof Float16Array&&qM.set(Float16Array,["float16"]);const XM=new Map([[xt,["float16"]]]),YM=new Map([[Int32Array,"sint32"],[Int16Array,"sint32"],[Uint32Array,"uint32"],[Uint16Array,"uint32"],[Float32Array,"float32"]]);class KM{constructor(e){this.backend=e}createAttribute(e,t){const r=this._getBufferAttribute(e),s=this.backend,i=s.get(r);let n=i.buffer;if(void 0===n){const a=s.device;let o=r.array;if(!1===e.normalized)if(o.constructor===Int16Array||o.constructor===Int8Array)o=new Int32Array(o);else if((o.constructor===Uint16Array||o.constructor===Uint8Array)&&(o=new Uint32Array(o),t&GPUBufferUsage.INDEX))for(let e=0;e<o.length;e++)65535===o[e]&&(o[e]=4294967295);if(r.array=o,(r.isStorageBufferAttribute||r.isStorageInstancedBufferAttribute)&&3===r.itemSize){o=new o.constructor(4*r.count);for(let e=0;e<r.count;e++)o.set(r.array.subarray(3*e,3*e+3),4*e);r.itemSize=4,r.array=o,i._force3to4BytesAlignment=!0}const u=o.byteLength,l=u+(4-u%4)%4;HM.label=r.name,HM.size=l,HM.usage=t,HM.mappedAtCreation=!0,n=a.createBuffer(HM),HM.reset(),new o.constructor(n.getMappedRange()).set(o),n.unmap(),i.buffer=n}}updateAttribute(e){const t=this._getBufferAttribute(e),r=this.backend,s=r.device,i=r.get(t),n=r.get(t).buffer;let a=t.array;if(!0===i._force3to4BytesAlignment){a=new a.constructor(4*t.count);for(let e=0;e<t.count;e++)a.set(t.array.subarray(3*e,3*e+3),4*e);t.array=a}const o=t.updateRanges;if(0===o.length)s.queue.writeBuffer(n,0,a,0);else{const e=Kr(a),r=e?1:a.BYTES_PER_ELEMENT;for(let t=0,u=o.length;t<u;t++){const u=o[t];let l,d;if(!0===i._force3to4BytesAlignment){l=4*Math.floor(u.start/3)*r,d=4*Math.ceil(u.count/3)*r}else l=u.start*r,d=u.count*r;const c=l*(e?a.BYTES_PER_ELEMENT:1);s.queue.writeBuffer(n,c,a,l,d)}t.clearUpdateRanges()}}createShaderVertexBuffers(e){const t=e.getAttributes(),r=new Map;for(let e=0;e<t.length;e++){const s=t[e],i=s.array.BYTES_PER_ELEMENT,n=this._getBufferAttribute(s);let a=r.get(n);if(void 0===a){let e,t;!0===s.isInterleavedBufferAttribute?(e=s.data.stride*i,t=s.data.isInstancedInterleavedBuffer?PC:FC):(e=s.itemSize*i,t=s.isInstancedBufferAttribute?PC:FC),!1!==s.normalized||s.array.constructor!==Int16Array&&s.array.constructor!==Uint16Array||(e=4),a={arrayStride:e,attributes:[],stepMode:t},r.set(n,a)}const o=this._getVertexFormat(s),u=!0===s.isInterleavedBufferAttribute?s.offset*i:0;a.attributes.push({shaderLocation:e,offset:u,format:o})}return Array.from(r.values())}destroyAttribute(e){const t=this.backend;t.get(this._getBufferAttribute(e)).buffer.destroy(),t.delete(e)}async getArrayBufferAsync(e,t=null,r=0,s=-1){const i=this.backend,n=i.device,a=i.get(this._getBufferAttribute(e)).buffer,o=-1===s?a.size-r:s;let u;if(null!==t&&t.isReadbackBuffer){const e=i.get(t);if(!0===t._mapped)throw new Error("THREE.WebGPUAttributeUtils: ReadbackBuffer must be released before being used again.");if(t._mapped=!0,void 0===e.readBufferGPU){HM.label=`${t.name}_readback`,HM.size=t.maxByteLength,HM.usage=GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ,u=n.createBuffer(HM),HM.reset();const r=()=>{t.buffer=null,t._mapped=!1,u.unmap()},s=()=>{t.buffer=null,t._mapped=!1,u.destroy(),i.delete(t),t.removeEventListener("release",r),t.removeEventListener("dispose",s)};t.addEventListener("release",r),t.addEventListener("dispose",s),e.readBufferGPU=u}else u=e.readBufferGPU}else HM.label=`${e.name}_readback`,HM.size=o,HM.usage=GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ,u=n.createBuffer(HM),HM.reset();jM.label=`readback_encoder_${e.name}`;const l=n.createCommandEncoder(jM);jM.reset(),l.copyBufferToBuffer(a,r,u,0,o);if(zC(n,l.finish()),await u.mapAsync(GPUMapMode.READ,0,o),null===t){const e=u.getMappedRange(0,o).slice();return u.destroy(),e}if(t.isReadbackBuffer)return t.buffer=u.getMappedRange(0,o),t;{const e=u.getMappedRange(0,o);return new Uint8Array(t).set(new Uint8Array(e)),u.destroy(),t}}_getVertexFormat(e){const{itemSize:t,normalized:r}=e,s=e.array.constructor,i=e.constructor;let n;if(1===t)n=YM.get(s);else{const e=(XM.get(i)||qM.get(s))[r?1:0];if(e){const r=s.BYTES_PER_ELEMENT*t,i=4*Math.floor((r+3)/4)/s.BYTES_PER_ELEMENT;if(i%1)throw new Error("THREE.WebGPUAttributeUtils: Bad vertex format item size.");n=`${e}x${i}`}}return n||o("WebGPUAttributeUtils: Vertex format not supported yet."),n}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}const QM=new WC,ZM=new HC,JM=new eM;class eB{constructor(e){this.layoutGPU=e,this.usedTimes=0}}class tB{constructor(e){this.backend=e,this._bindGroupLayoutCache=new Map}createBindingsLayout(e){const t=this.backend,r=t.device,s=t.get(e);if(s.layout)return s.layout.layoutGPU;const i=this._createLayoutEntries(e),n=Gs(JSON.stringify(i));let a=this._bindGroupLayoutCache.get(n);return void 0===a&&(a=new eB(r.createBindGroupLayout({entries:i})),this._bindGroupLayoutCache.set(n,a)),a.usedTimes++,s.layout=a,s.layoutKey=n,a.layoutGPU}createBindings(e,t,r,s=0){const{backend:i}=this,n=i.get(e),a=this.createBindingsLayout(e);let o;r>0&&(void 0===n.groups&&(n.groups=[],n.versions=[]),n.versions[r]===s&&(o=n.groups[r])),void 0===o&&(o=this.createBindGroup(e,a),r>0&&(n.groups[r]=o,n.versions[r]=s)),n.group=o}updateBinding(e){const t=this.backend,r=t.device,s=e.buffer,i=t.get(e).buffer,n=e.updateRanges;if(0===n.length)r.queue.writeBuffer(i,0,s,0);else{const e=Kr(s),t=e?1:s.BYTES_PER_ELEMENT;for(let a=0,o=n.length;a<o;a++){const o=n[a],u=o.start*t,l=o.count*t,d=u*(e?s.BYTES_PER_ELEMENT:1);r.queue.writeBuffer(i,d,s,u,l)}}}createBindGroupIndex(e,t){const r=this.backend.device,s=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,i=e[0];ZM.label="bindingCameraIndex_"+i,ZM.size=16,ZM.usage=s;const n=r.createBuffer(ZM);ZM.reset(),r.queue.writeBuffer(n,0,e,0),QM.label="bindGroupCameraIndex_"+i,QM.layout=t,QM.entries.push({binding:0,resource:{buffer:n}});const a=r.createBindGroup(QM);return QM.reset(),a}createBindGroup(e,t){const r=this.backend,s=r.device;let i=0;QM.label="bindGroup_"+e.name,QM.layout=t;for(const t of e.bindings){if(t.isUniformBuffer){const e=r.get(t);QM.entries.push({binding:i,resource:{buffer:e.buffer}})}else if(t.isStorageBuffer){const e=r.get(t.attribute).buffer;QM.entries.push({binding:i,resource:{buffer:e}})}else if(t.isSampledTexture){const e=r.get(t.texture);let n;if(void 0!==e.externalTexture)n=s.importExternalTexture({source:e.externalTexture});else{const r=t.store?1:e.texture.mipLevelCount,s=t.store?t.mipLevel:0;let i=`view-${e.texture.width}-${e.texture.height}`;if(e.texture.depthOrArrayLayers>1&&(i+=`-${e.texture.depthOrArrayLayers}`),i+=`-${r}-${s}`,n=e[i],void 0===n){const a=LC;let o;o=t.isSampledCubeTexture?MC:t.texture.isArrayTexture||t.texture.isDataArrayTexture||t.texture.isCompressedArrayTexture?CC:t.isSampledTexture3D?BC:AC,JM.aspect=a,JM.dimension=o,JM.mipLevelCount=r,JM.baseMipLevel=s,n=e[i]=e.texture.createView(JM),JM.reset()}}QM.entries.push({binding:i,resource:n})}else if(t.isSampler){const e=r.get(t.texture);QM.entries.push({binding:i,resource:e.sampler})}i++}const n=s.createBindGroup(QM);return QM.reset(),n}_createLayoutEntries(e){const t=[];let r=0;for(const s of e.bindings){const e=this.backend,i={binding:r,visibility:s.visibility};if(s.isUniformBuffer||s.isStorageBuffer){const e={};s.isStorageBuffer&&(s.visibility&EE.COMPUTE&&(s.access===ai.READ_WRITE||s.access===ai.WRITE_ONLY)?e.type=gC:e.type=mC),i.buffer=e}else if(s.isSampledTexture&&s.store){const e={};e.format=this.backend.get(s.texture).texture.format;const t=s.access;e.access=t===ai.READ_WRITE?bC:t===ai.WRITE_ONLY?fC:yC,s.texture.isArrayTexture?e.viewDimension=CC:s.texture.is3DTexture&&(e.viewDimension=BC),i.storageTexture=e}else if(s.isSampledTexture){const t={},{primarySamples:r}=e.utils.getTextureSampleData(s.texture);if(r>1&&(t.multisampled=!0,s.texture.isDepthTexture||(t.sampleType=vC)),s.texture.isDepthTexture)e.compatibilityMode&&null===s.texture.compareFunction?t.sampleType=vC:t.sampleType=NC;else{const e=s.texture.type;e===R?t.sampleType=SC:e===S?t.sampleType=RC:e===Y&&(this.backend.hasFeature("float32-filterable")?t.sampleType=_C:t.sampleType=vC)}s.isSampledCubeTexture?t.viewDimension=MC:s.texture.isArrayTexture||s.texture.isDataArrayTexture||s.texture.isCompressedArrayTexture?t.viewDimension=CC:s.isSampledTexture3D&&(t.viewDimension=BC),i.texture=t}else if(s.isSampler){const t={};s.texture.isDepthTexture&&(null!==s.texture.compareFunction&&null!==s.textureNode.compareNode&&e.hasCompatibility(E.TEXTURE_COMPARE)?t.type=TC:t.type=xC),i.sampler=t}else o(`WebGPUBindingUtils: Unsupported binding "${s}".`);t.push(i),r++}return t}deleteBindGroupData(e){const{backend:t}=this,r=t.get(e);r.layout&&(r.layout.usedTimes--,0===r.layout.usedTimes&&this._bindGroupLayoutCache.delete(r.layoutKey),r.layout=void 0,r.layoutKey=void 0)}dispose(){this._bindGroupLayoutCache.clear()}}class rB{constructor(e){this.backend=e}getMaxAnisotropy(){return 16}getUniformBufferLimit(){return this.backend.device.limits.maxUniformBufferBindingSize}}const sB=new class{constructor(){this.label="",this.layout=null,this.compute=null}reset(){this.label="",this.layout=null,this.compute=null}},iB=new class{constructor(){this.label="",this.bindGroupLayouts=null}reset(){this.label="",this.bindGroupLayouts=null}},nB=new qC,aB=new KC;class oB{constructor(e){this.backend=e,this._activePipelines=new WeakMap}setPipeline(e,t){this._activePipelines.get(e)!==t&&(e.setPipeline(t),this._activePipelines.set(e,t))}_getSampleCount(e){return this.backend.utils.getSampleCountRenderContext(e)}createRenderPipeline(e,t){const{object:r,material:s,geometry:i,pipeline:n}=e,{vertexProgram:a,fragmentProgram:u}=n,l=this.backend,d=l.device,c=l.utils,h=l.get(n),p=[];for(const t of e.getBindings()){const e=l.get(t),{layoutGPU:r}=e.layout;p.push(r)}const g=l.attributeUtils.createShaderVertexBuffers(e);let m;s.blending===re||s.blending===tt&&!1===s.transparent||(m=this._getBlending(s));let f={};!0===s.stencilWrite&&(f={compare:this._getStencilCompare(s),failOp:this._getStencilOperation(s.stencilFail),depthFailOp:this._getStencilOperation(s.stencilZFail),passOp:this._getStencilOperation(s.stencilZPass)});const y=this._getColorWriteMask(s),b=[];if(null!==e.context.textures){const t=e.context.textures,r=e.context.mrt;for(let e=0;e<t.length;e++){const s=t[e],i=c.getTextureFormatGPU(s);let n;if(null!==r)if(!0!==this.backend.compatibilityMode){const e=r.getBlendMode(s.name);e.blending===nt?n=m:e.blending!==re&&(n=this._getBlending(e))}else v("WebGPURenderer: Multiple Render Targets (MRT) blending configuration is not fully supported in compatibility mode. The material blending will be used for all render targets."),n=m;else n=m;b.push({format:i,blend:n,writeMask:y})}}else{const t=c.getCurrentColorFormat(e.context);b.push({format:t,blend:m,writeMask:y})}const x=l.get(a).module,T=l.get(u).module,_=this._getPrimitiveState(r,i,s),N=this._getDepthCompare(s),S=c.getCurrentDepthStencilFormat(e.context),R=this._getSampleCount(e.context);iB.bindGroupLayouts=p;const E=d.createPipelineLayout(iB);iB.reset(),aB.label=`renderPipeline_${s.name||s.type}_${s.id}`,aB.vertex=Object.assign({},x,{buffers:g}),aB.fragment=Object.assign({},T,{targets:b}),aB.primitive=_,aB.multisample.count=R,aB.multisample.alphaToCoverageEnabled=s.alphaToCoverage&&R>1,aB.layout=E;const w={},A=e.context.depth,C=e.context.stencil;!0!==A&&!0!==C||(!0===A&&(w.format=S,w.depthWriteEnabled=s.depthWrite,w.depthCompare=N),!0===C&&(w.stencilFront=f,w.stencilBack=f,w.stencilReadMask=s.stencilFuncMask,w.stencilWriteMask=s.stencilWriteMask),!0===s.polygonOffset&&_.topology===RE&&(w.depthBias=s.polygonOffsetUnits,w.depthBiasSlopeScale=s.polygonOffsetFactor,w.depthBiasClamp=0),aB.depthStencil=w),d.pushErrorScope("validation");const M=[{program:a,module:x.module},{program:u,module:T.module}],B=aB.label;if(null===t)h.pipeline=d.createRenderPipeline(aB),aB.reset(),d.popErrorScope().then(e=>{null!==e&&(h.error=!0,o(`WebGPURenderer: Render pipeline creation failed (${B}): ${e.message}`),this._reportShaderDiagnostics(M,B))});else{const e=new Promise(async e=>{try{let e=null;try{h.pipeline=await d.createRenderPipelineAsync(aB)}catch(t){e=t}const t=await d.popErrorScope();if(null!==t||null!==e){h.error=!0;const r=t&&t.message||e&&e.message||"unknown";o(`WebGPURenderer: Async render pipeline creation failed (${B}): ${r}`),await this._reportShaderDiagnostics(M,B)}}finally{aB.reset(),e()}});t.push(e)}}createBundleEncoder(e,t="renderBundleEncoder"){const r=this.backend,{utils:s,device:i}=r,n=s.getCurrentDepthStencilFormat(e),a=s.getCurrentColorFormats(e),o=this._getSampleCount(e);nB.label=t,nB.colorFormats=a,nB.depthStencilFormat=n,nB.sampleCount=o;const u=i.createRenderBundleEncoder(nB);return nB.reset(),u}createComputePipeline(e,t){const r=this.backend,s=r.device,i=r.get(e.computeProgram).module,n=r.get(e),a=[];for(const e of t){const t=r.get(e),{layoutGPU:s}=t.layout;a.push(s)}const u=e.computeProgram,l=`computePipeline_${u.stage}${u.name?`_${u.name}`:""}`;s.pushErrorScope("validation"),iB.bindGroupLayouts=a;const d=s.createPipelineLayout(iB);iB.reset(),sB.label=l,sB.compute=i,sB.layout=d,n.pipeline=s.createComputePipeline(sB),sB.reset(),s.popErrorScope().then(e=>{null!==e&&(n.error=!0,o(`WebGPURenderer: Compute pipeline creation failed (${l}): ${e.message}`),this._reportShaderDiagnostics([{program:u,module:i.module}],l))})}async _reportShaderDiagnostics(e,t){for(const{program:r,module:s}of e){const e=await s.getCompilationInfo();if(0===e.messages.length)continue;const i=r.code.split("\n");for(const s of e.messages){const e=s.lineNum>0?` at line ${s.lineNum}${s.linePos>0?`:${s.linePos}`:""}`:"",n=`WebGPURenderer [${t} / ${r.stage} ${s.type}]${e}: ${s.message}`;let a="";s.lineNum>0&&s.lineNum<=i.length&&(a=`\n  ${i[s.lineNum-1]}`,s.linePos>0&&(a+=`\n  ${" ".repeat(s.linePos-1)}^`)),("error"===s.type?o:d)(n+a)}}}_getBlending(e){let t,r;const s=e.blending,i=e.blendSrc,n=e.blendDst,a=e.blendEquation;if(s===Rt){const s=null!==e.blendSrcAlpha?e.blendSrcAlpha:i,o=null!==e.blendDstAlpha?e.blendDstAlpha:n,u=null!==e.blendEquationAlpha?e.blendEquationAlpha:a;t={srcFactor:this._getBlendFactor(i),dstFactor:this._getBlendFactor(n),operation:this._getBlendOperation(a)},r={srcFactor:this._getBlendFactor(s),dstFactor:this._getBlendFactor(o),operation:this._getBlendOperation(u)}}else{const i=(e,s,i,n)=>{t={srcFactor:e,dstFactor:s,operation:JA},r={srcFactor:i,dstFactor:n,operation:JA}};if(e.premultipliedAlpha)switch(s){case tt:i(GA,HA,GA,HA);break;case Qt:i(GA,GA,GA,GA);break;case Kt:i(kA,zA,kA,GA);break;case Yt:i(jA,HA,kA,GA)}else switch(s){case tt:i(WA,HA,GA,HA);break;case Qt:i(WA,GA,GA,GA);break;case Kt:o(`WebGPURenderer: "SubtractiveBlending" requires "${e.isMaterial?"material":"blendMode"}.premultipliedAlpha = true".`);break;case Yt:o(`WebGPURenderer: "MultiplyBlending" requires "${e.isMaterial?"material":"blendMode"}.premultipliedAlpha = true".`)}}if(void 0!==t&&void 0!==r)return{color:t,alpha:r};o("WebGPURenderer: Invalid blending: ",s)}_getBlendFactor(e){let t;switch(e){case Et:t=kA;break;case Ht:t=GA;break;case Wt:t=$A;break;case kt:t=zA;break;case rt:t=WA;break;case st:t=HA;break;case $t:t=jA;break;case Vt:t=qA;break;case Gt:t=XA;break;case It:t=YA;break;case zt:t=KA;break;case 211:t=QA;break;case 212:t=ZA;break;default:o("WebGPURenderer: Blend factor not supported.",e)}return t}_getStencilCompare(e){let t;const r=e.stencilFunc;switch(r){case is:t=wE;break;case ss:t=PE;break;case rs:t=AE;break;case ts:t=ME;break;case es:t=CE;break;case Jr:t=FE;break;case Zr:t=BE;break;case Qr:t=LE;break;default:o("WebGPURenderer: Invalid stencil function.",r)}return t}_getStencilOperation(e){let t;switch(e){case hs:t=aC;break;case cs:t=oC;break;case ds:t=uC;break;case ls:t=lC;break;case us:t=dC;break;case os:t=cC;break;case as:t=hC;break;case ns:t=pC;break;default:o("WebGPURenderer: Invalid stencil operation.",t)}return t}_getBlendOperation(e){let t;switch(e){case it:t=JA;break;case Ot:t=eC;break;case Dt:t=tC;break;case gs:t=rC;break;case ps:t=sC;break;default:o("WebGPUPipelineUtils: Blend equation not supported.",e)}return t}_getPrimitiveState(e,t,r){const s={},i=this.backend.utils;s.topology=i.getPrimitiveTopology(e,r),null!==t.index&&!0===e.isLine&&!0!==e.isLineSegments&&(s.stripIndexFormat=t.index.array instanceof Uint16Array?$E:zE);let n=r.side===F;return e.isMesh&&e.matrixWorld.determinant()<0&&(n=!n),s.frontFace=!0===n?VE:IE,s.cullMode=r.side===P?kE:GE,s}_getColorWriteMask(e){return!0===e.colorWrite?nC:iC}_getDepthCompare(e){let t;if(!1===e.depthTest)t=PE;else{const r=this.backend.parameters.reversedDepthBuffer?ar[e.depthFunc]:e.depthFunc;switch(r){case nr:t=wE;break;case ir:t=PE;break;case sr:t=AE;break;case rr:t=ME;break;case tr:t=CE;break;case er:t=FE;break;case Jt:t=BE;break;case Zt:t=LE;break;default:o("WebGPUPipelineUtils: Invalid depth function.",r)}}return t}}class uB{constructor(){this.label="",this.type=void 0,this.count=0}reset(){this.label="",this.type=void 0,this.count=0}}const lB=new HC,dB=new jC,cB=new uB;class hB extends xE{constructor(e,t,r=2048){super(r),this.device=e,this.type=t,cB.label=`queryset_global_timestamp_${t}`,cB.type="timestamp",cB.count=this.maxQueries,this.querySet=this.device.createQuerySet(cB),cB.reset();const s=8*this.maxQueries;lB.label=`buffer_timestamp_resolve_${t}`,lB.size=s,lB.usage=GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC,this.resolveBuffer=this.device.createBuffer(lB),lB.reset(),lB.label=`buffer_timestamp_result_${t}`,lB.size=s,lB.usage=GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ,this.resultBuffer=this.device.createBuffer(lB),lB.reset()}allocateQueriesForContext(e){if(!this.trackTimestamp||this.isDisposed)return null;if(this.currentQueryIndex+2>this.maxQueries)return v(`WebGPUTimestampQueryPool [${this.type}]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${this.type.toUpperCase()} ).`),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryOffsets.set(e,t),t}async resolveQueriesAsync(){if(!this.trackTimestamp||0===this.currentQueryIndex||this.isDisposed)return this.lastValue;if(this.pendingResolve)return this.pendingResolve;this.pendingResolve=this._resolveQueries();try{return await this.pendingResolve}finally{this.pendingResolve=null}}async _resolveQueries(){if(this.isDisposed)return this.lastValue;try{if("unmapped"!==this.resultBuffer.mapState)return this.lastValue;const e=new Map(this.queryOffsets),t=this.currentQueryIndex,r=8*t;this.currentQueryIndex=0,this.queryOffsets.clear();const s=this.device.createCommandEncoder(dB);s.resolveQuerySet(this.querySet,0,t,this.resolveBuffer,0),s.copyBufferToBuffer(this.resolveBuffer,0,this.resultBuffer,0,r);const i=s.finish();if(zC(this.device,i),"unmapped"!==this.resultBuffer.mapState)return this.lastValue;if(await this.resultBuffer.mapAsync(GPUMapMode.READ,0,r),this.isDisposed)return"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue;const n=new BigUint64Array(this.resultBuffer.getMappedRange(0,r)),a={},o=[];for(const[t,r]of e){const e=t.match(/^(.*):f(\d+)$/),s=parseInt(e[2]);!1===o.includes(s)&&o.push(s),void 0===a[s]&&(a[s]=0);const i=n[r],u=n[r+1],l=Number(u-i)/1e6;this.timestamps.set(t,l),a[s]+=l}const u=a[o[o.length-1]];return this.resultBuffer.unmap(),this.lastValue=u,this.frames=o,u}catch(e){return o("Error resolving queries:",e),"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue}}async dispose(){if(!this.isDisposed){if(this.isDisposed=!0,this.pendingResolve)try{await this.pendingResolve}catch(e){o("Error waiting for pending resolve:",e)}if(this.resultBuffer&&"mapped"===this.resultBuffer.mapState)try{this.resultBuffer.unmap()}catch(e){o("Error unmapping buffer:",e)}this.querySet&&(this.querySet.destroy(),this.querySet=null),this.resolveBuffer&&(this.resolveBuffer.destroy(),this.resolveBuffer=null),this.resultBuffer&&(this.resultBuffer.destroy(),this.resultBuffer=null),this.queryOffsets.clear(),this.pendingResolve=null}}}class pB{constructor(){this.view=null,this.depthLoadOp=void 0,this.depthStoreOp=void 0,this.depthClearValue=void 0,this.depthReadOnly=!1,this.stencilLoadOp=void 0,this.stencilStoreOp=void 0,this.stencilClearValue=0,this.stencilReadOnly=!1}reset(){this.view=null,this.depthLoadOp=void 0,this.depthStoreOp=void 0,this.depthClearValue=void 0,this.depthReadOnly=!1,this.stencilLoadOp=void 0,this.stencilStoreOp=void 0,this.stencilClearValue=0,this.stencilReadOnly=!1}}const gB={r:0,g:0,b:0,a:1},mB=new HC,fB=new jC,yB=new class{constructor(){this.label="",this.timestampWrites=void 0}reset(){this.label="",this.timestampWrites=void 0}},bB=new uB,xB=new ZC,TB=new class{constructor(){this.querySet=null,this.beginningOfPassWriteIndex=void 0,this.endOfPassWriteIndex=void 0}reset(){this.querySet=null,this.beginningOfPassWriteIndex=void 0,this.endOfPassWriteIndex=void 0}},_B=new hM,vB=new hM,NB=new eM,SB=new pM;class RB extends tE{constructor(e={}){super(e),this.isWebGPUBackend=!0,this.parameters.alpha=void 0===e.alpha||e.alpha,this.parameters.requiredLimits=void 0===e.requiredLimits?{}:e.requiredLimits,this.compatibilityMode=null,this.device=null,this.defaultRenderPassdescriptor=null,this.utils=new $C(this),this.attributeUtils=new KM(this),this.bindingUtils=new tB(this),this.capabilities=new rB(this),this.pipelineUtils=new oB(this),this.textureUtils=new wM(this),this.occludedResolveCache=new Map;const t="undefined"==typeof navigator||!1===/Android/.test(navigator.userAgent);this._compatibility={[E.TEXTURE_COMPARE]:t}}async init(e){await super.init(e);const t=this.parameters;let r;if(void 0===t.device){const s={powerPreference:t.powerPreference,featureLevel:"compatibility",xrCompatible:e.xr.enabled},i="undefined"!=typeof navigator?await navigator.gpu.requestAdapter(s):null;if(null===i)throw new Error("THREE.WebGPUBackend: Unable to create WebGPU adapter.");const n=Object.values(UC),a=[];for(const e of n)i.features.has(e)&&a.push(e);const o={requiredFeatures:a,requiredLimits:t.requiredLimits};r=await i.requestDevice(o)}else r=t.device;this.compatibilityMode=!r.features.has("core-features-and-limits"),this.compatibilityMode&&(e._samples=0),r.lost.then(t=>{if("destroyed"===t.reason)return;const r={api:"WebGPU",message:t.message||"Unknown reason",reason:t.reason||null,originalEvent:t};e.onDeviceLost(r)}),r.onuncapturederror=t=>{const r=t.error,s=r&&r.constructor?r.constructor.name:"GPUError",i=r&&r.message||"Unknown uncaptured GPU error";e.onError({api:"WebGPU",type:s,message:i,originalEvent:t})},this.device=r,this.trackTimestamp=this.trackTimestamp&&this.hasFeature(UC.TimestampQuery),this.updateSize()}setXRRenderTargetTextures(e,t,r=null){this.set(e.texture,{texture:t,format:t.format,externalTexture:!0,xrViewDescriptors:r,initialized:!0})}get context(){const e=this.renderer.getCanvasTarget(),t=this.get(e);let r=t.context;if(void 0===r){const s=this.parameters;r=!0===e.isDefaultCanvasTarget&&void 0!==s.context?s.context:e.domElement.getContext("webgpu"),"setAttribute"in e.domElement&&e.domElement.setAttribute("data-engine",`three.js r${_t} webgpu`);const i=s.alpha?"premultiplied":"opaque",n=s.outputType===Te?"extended":"standard";r.configure({device:this.device,format:this.utils.getPreferredCanvasFormat(),usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC,alphaMode:i,toneMapping:{mode:n}}),t.context=r}return r}get coordinateSystem(){return h}async getArrayBufferAsync(e,t=null,r=0,s=-1){return await this.attributeUtils.getArrayBufferAsync(e,t,r,s)}getContext(){return this.context}_getDefaultRenderPassDescriptor(){const e=this.renderer,t=e.getCanvasTarget(),r=this.get(t),s=e.currentSamples;let i=r.descriptor;if(void 0===i||r.samples!==s){if(i=new YC,i.colorAttachments.push(new XC),!0===e.depth||!0===e.stencil){const t=new pB;t.view=this.textureUtils.getDepthBuffer(e.depth,e.stencil).createView(),i.depthStencilAttachment=t}const t=i.colorAttachments[0];s>0?t.view=this.textureUtils.getColorBuffer().createView():t.resolveTarget=void 0,r.descriptor=i,r.samples=s}const n=i.colorAttachments[0];return s>0?n.resolveTarget=this.context.getCurrentTexture().createView():n.view=this.context.getCurrentTexture().createView(),i}_isRenderCameraDepthArray(e){const t=e.camera;return e.depthTexture&&!0===e.depthTexture.isArrayTexture&&null!==t&&!0===t.isArrayCamera}_hasExternalTexture(e){const t=e.textures;if(null===t)return!1;for(let e=0;e<t.length;e++)if(!0===this.get(t[e]).externalTexture)return!0;return!1}_createExternalTextureViews(e,t){const r=[],s=e.camera;if(t.xrViewDescriptors&&null!==s&&!0===s.isArrayCamera)for(let e=0;e<t.xrViewDescriptors.length;e++)r.push({view:t.texture.createView(t.xrViewDescriptors[e]),resolveTarget:void 0,depthSlice:void 0});else r.push({view:t.texture.createView({dimension:AC,baseArrayLayer:e.activeCubeFace,arrayLayerCount:1}),resolveTarget:void 0,depthSlice:void 0});return r}_getRenderPassDescriptor(e,t={}){const r=e.renderTarget,s=this.get(r),i=this._hasExternalTexture(e);let n=s.descriptors;(void 0===n||s.width!==r.width||s.height!==r.height||s.samples!==r.samples||i)&&(n={},s.descriptors=n);const a=e.getCacheKey();let o=n[a];if(void 0===o||i){const t=e.textures,i=[];let u;const l=this._isRenderCameraDepthArray(e);for(let s=0;s<t.length;s++){const n=this.get(t[s]);if(!0!==n.externalTexture){if(NB.label=`colorAttachment_${s}`,NB.baseMipLevel=e.activeMipmapLevel,NB.mipLevelCount=1,NB.baseArrayLayer=e.activeCubeFace,NB.arrayLayerCount=1,NB.dimension=AC,r.isRenderTarget3D)u=e.activeCubeFace,NB.baseArrayLayer=0,NB.dimension=BC;else if(r.isRenderTarget&&t[s].image.depth>1)if(!0===l){const t=e.camera.cameras;for(let e=0;e<t.length;e++){NB.baseArrayLayer=e,NB.arrayLayerCount=1,NB.dimension=AC;const t=n.texture.createView(NB);i.push({view:t,resolveTarget:void 0,depthSlice:void 0})}}else NB.dimension=CC;if(!0!==l){const e=n.texture.createView(NB);let t,r;void 0!==n.msaaTexture?(t=n.msaaTexture.createView(),r=e):(t=e,r=void 0),i.push({view:t,resolveTarget:r,depthSlice:u})}NB.reset()}else i.push(...this._createExternalTextureViews(e,n))}const d=[];for(let e=0;e<i.length;e++){const t=i[e],r=new XC;r.view=t.view,r.depthSlice=t.depthSlice,r.resolveTarget=t.resolveTarget,d.push(r)}if(o={textureViews:i,colorAttachments:d,descriptor:new YC},e.depth){const t=this.get(e.depthTexture);(e.depthTexture.isArrayTexture||e.depthTexture.isCubeTexture)&&(NB.dimension=AC,NB.arrayLayerCount=1,NB.baseArrayLayer=e.activeCubeFace);const r=new pB;r.view=t.texture.createView(NB),o.depthStencilAttachment=r,NB.reset()}n[a]=o,s.width=r.width,s.height=r.height,s.samples=r.samples,s.activeMipmapLevel=e.activeMipmapLevel,s.activeCubeFace=e.activeCubeFace}const u=o.descriptor;u.reset();for(let e=0;e<o.colorAttachments.length;e++){const r=o.colorAttachments[e];let s={r:0,g:0,b:0,a:1};0===e&&t.clearValue&&(s=t.clearValue),r.loadOp=t.loadOp||DE,r.storeOp=t.storeOp||UE,r.clearValue=s,u.colorAttachments.push(r)}return o.depthStencilAttachment&&(u.depthStencilAttachment=o.depthStencilAttachment),u}beginRender(e){const t=this.get(e),r=this.device,s=e.occlusionQueryCount;let i,n;s>0&&(t.currentOcclusionQuerySet&&t.currentOcclusionQuerySet.destroy(),t.currentOcclusionQueryBuffer&&t.currentOcclusionQueryBuffer.destroy(),t.currentOcclusionQuerySet=t.occlusionQuerySet,t.currentOcclusionQueryBuffer=t.occlusionQueryBuffer,t.currentOcclusionQueryObjects=t.occlusionQueryObjects,bB.label=`occlusionQuerySet_${e.id}`,bB.type="occlusion",bB.count=s,i=r.createQuerySet(bB),bB.reset(),t.occlusionQuerySet=i,t.occlusionQueryIndex=0,t.occlusionQueryObjects=new Array(s),t.lastOcclusionObject=null),n=null===e.textures?this._getDefaultRenderPassDescriptor():this._getRenderPassDescriptor(e,{loadOp:DE}),this.initTimestampQuery(Pt.RENDER,this.getTimestampUID(e),n),n.occlusionQuerySet=i;const a=n.depthStencilAttachment;if(null!==e.textures){const t=n.colorAttachments;for(let r=0;r<t.length;r++){const s=t[r];e.clearColor?(0===r?s.clearValue=e.clearColorValue:(gB.r=0,gB.g=0,gB.b=0,gB.a=1,s.clearValue=gB),s.loadOp=OE):s.loadOp=DE,s.storeOp=UE}}else{const t=n.colorAttachments[0];e.clearColor?(t.clearValue=e.clearColorValue,t.loadOp=OE):t.loadOp=DE,t.storeOp=UE}e.depth&&(e.clearDepth?(a.depthClearValue=e.clearDepthValue,a.depthLoadOp=OE):a.depthLoadOp=DE,a.depthStoreOp=UE),e.stencil&&(e.clearStencil?(a.stencilClearValue=e.clearStencilValue,a.stencilLoadOp=OE):a.stencilLoadOp=DE,a.stencilStoreOp=UE),fB.label="renderContext_"+e.id;const o=r.createCommandEncoder(fB);if(fB.reset(),!0===this._isRenderCameraDepthArray(e)){const r=e.camera.cameras;t.layerDescriptors&&t.layerDescriptors.length===r.length?this._updateArrayCameraLayerDescriptors(e,t,r):this._createArrayCameraLayerDescriptors(e,t,n,r),t.bundleEncoders=[],t.bundleSets=[];for(let s=0;s<r.length;s++){const r=this.pipelineUtils.createBundleEncoder(e,"renderBundleArrayCamera_"+s),i={attributes:{},bindingGroups:[],pipeline:null,index:null};t.bundleEncoders.push(r),t.bundleSets.push(i)}t.currentPass=null}else{const r=o.beginRenderPass(n);t.currentPass=r,e.viewport&&this.updateViewport(e),e.scissor&&this.updateScissor(e)}t.descriptor=n,t.encoder=o,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.renderBundles=[]}_createArrayCameraLayerDescriptors(e,t,r,s){const i=r.depthStencilAttachment;t.layerDescriptors=[];const n=this.get(e.depthTexture);n.viewCache||(n.viewCache=[]);for(let a=0;a<s.length;a++){const s=r.colorAttachments[0],o=new XC;o.view=r.colorAttachments[a].view,o.depthSlice=s.depthSlice,o.resolveTarget=s.resolveTarget,o.loadOp=s.loadOp,o.storeOp=s.storeOp,o.clearValue=s.clearValue;const u=new YC;if(u.label=r.label,u.occlusionQuerySet=r.occlusionQuerySet,u.timestampWrites=r.timestampWrites,u.colorAttachments.push(o),r.depthStencilAttachment){const t=a;n.viewCache[t]||(NB.dimension=AC,NB.baseArrayLayer=a,NB.arrayLayerCount=1,n.viewCache[t]=n.texture.createView(NB),NB.reset());const r=new pB;r.view=n.viewCache[t],r.depthLoadOp=i.depthLoadOp||OE,r.depthStoreOp=i.depthStoreOp||UE,r.depthClearValue=i.depthClearValue||1,e.stencil&&(r.stencilLoadOp=i.stencilLoadOp,r.stencilStoreOp=i.stencilStoreOp,r.stencilClearValue=i.stencilClearValue),u.depthStencilAttachment=r}else{const e=new pB;e.view=i.view,e.depthLoadOp=i.depthLoadOp,e.depthStoreOp=i.depthStoreOp,e.depthClearValue=i.depthClearValue,e.depthReadOnly=i.depthReadOnly,e.stencilLoadOp=i.stencilLoadOp,e.stencilStoreOp=i.stencilStoreOp,e.stencilClearValue=i.stencilClearValue,e.stencilReadOnly=i.stencilReadOnly,u.depthStencilAttachment=e}t.layerDescriptors.push(u)}}_updateArrayCameraLayerDescriptors(e,t,r){for(let s=0;s<r.length;s++){const r=t.layerDescriptors[s];if(r.depthStencilAttachment){const t=r.depthStencilAttachment;e.depth&&(e.clearDepth?(t.depthClearValue=e.clearDepthValue,t.depthLoadOp=OE):t.depthLoadOp=DE),e.stencil&&(e.clearStencil?(t.stencilClearValue=e.clearStencilValue,t.stencilLoadOp=OE):t.stencilLoadOp=DE)}}}finishRender(e){const t=this.get(e),r=e.occlusionQueryCount;t.renderBundles.length>0&&t.currentPass.executeBundles(t.renderBundles),r>t.occlusionQueryIndex&&t.currentPass.endOcclusionQuery();const s=t.encoder;if(!0===this._isRenderCameraDepthArray(e)){const r=[];for(let e=0;e<t.bundleEncoders.length;e++){const s=t.bundleEncoders[e];r.push(s.finish())}for(let i=0;i<t.layerDescriptors.length;i++)if(i<r.length){const n=t.layerDescriptors[i],a=s.beginRenderPass(n);if(e.viewport){const{x:t,y:r,width:s,height:i,minDepth:n,maxDepth:o}=e.viewportValue;a.setViewport(t,r,s,i,n,o)}if(e.scissor){const{x:t,y:r,width:s,height:i}=e.scissorValue;a.setScissorRect(t,r,s,i)}a.executeBundles([r[i]]),a.end()}}else t.currentPass&&t.currentPass.end();if(r>0){const s=8*r;let i=this.occludedResolveCache.get(s);void 0===i&&(mB.size=s,mB.usage=GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC,i=this.device.createBuffer(mB),mB.reset(),this.occludedResolveCache.set(s,i)),mB.size=s,mB.usage=GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ;const n=this.device.createBuffer(mB);mB.reset(),t.encoder.resolveQuerySet(t.occlusionQuerySet,0,r,i,0),t.encoder.copyBufferToBuffer(i,0,n,0,s),t.occlusionQueryBuffer=n,this.resolveOccludedAsync(e)}if(zC(this.device,t.encoder.finish()),null!==e.textures){const t=e.textures;for(let e=0;e<t.length;e++){const r=t[e];!0===r.generateMipmaps&&this.textureUtils.generateMipmaps(r)}}}isOccluded(e,t){const r=this.get(e);return r.occluded&&r.occluded.has(t)}async resolveOccludedAsync(e){const t=this.get(e),{currentOcclusionQueryBuffer:r,currentOcclusionQueryObjects:s}=t;if(r&&s){const e=new WeakSet;t.currentOcclusionQueryObjects=null,t.currentOcclusionQueryBuffer=null,await r.mapAsync(GPUMapMode.READ);const i=r.getMappedRange(),n=new BigUint64Array(i);for(let t=0;t<s.length;t++)n[t]===BigInt(0)&&e.add(s[t]);r.destroy(),t.occluded=e}}updateViewport(e){const{currentPass:t}=this.get(e),{x:r,y:s,width:i,height:n,minDepth:a,maxDepth:o}=e.viewportValue;t.setViewport(r,s,i,n,a,o)}updateScissor(e){const{currentPass:t}=this.get(e),{x:r,y:s,width:i,height:n}=e.scissorValue;t.setScissorRect(r,s,i,n)}getClearColor(){const e=super.getClearColor();return!0===this.renderer.alpha&&(e.r*=e.a,e.g*=e.a,e.b*=e.a),e}clear(e,t,r,s=null){const i=this.device,n=this.renderer;let a,o,u,l=[];if(e){const e=this.getClearColor();gB.r=e.r,gB.g=e.g,gB.b=e.b,gB.a=e.a}if(null===s){o=n.depth,u=n.stencil;const t=this._getDefaultRenderPassDescriptor();if(e){l=t.colorAttachments;const e=l[0];e.clearValue=gB,e.loadOp=OE,e.storeOp=UE}(o||u)&&(a=t.depthStencilAttachment)}else{o=s.depth,u=s.stencil;const i={loadOp:e?OE:DE,clearValue:e?gB:void 0};o&&(i.depthLoadOp=t?OE:DE,i.depthClearValue=t?n.getClearDepth():void 0,i.depthStoreOp=UE),u&&(i.stencilLoadOp=r?OE:DE,i.stencilClearValue=r?n.getClearStencil():void 0,i.stencilStoreOp=UE);const d=this._getRenderPassDescriptor(s,i);l=d.colorAttachments,a=d.depthStencilAttachment}o&&a&&(t?(a.depthLoadOp=OE,a.depthClearValue=n.getClearDepth(),a.depthStoreOp=UE):(a.depthLoadOp=DE,a.depthStoreOp=UE)),u&&a&&(r?(a.stencilLoadOp=OE,a.stencilClearValue=n.getClearStencil(),a.stencilStoreOp=UE):(a.stencilLoadOp=DE,a.stencilStoreOp=UE)),fB.label="clear";const d=i.createCommandEncoder(fB);fB.reset();d.beginRenderPass({colorAttachments:l,depthStencilAttachment:a}).end(),zC(i,d.finish())}beginCompute(e){const t=this.get(e),r="computeGroup_"+e.id;yB.label=r,fB.label=r,this.initTimestampQuery(Pt.COMPUTE,this.getTimestampUID(e),yB),t.cmdEncoderGPU=this.device.createCommandEncoder(fB),t.passEncoderGPU=t.cmdEncoderGPU.beginComputePass(yB),fB.reset(),yB.reset()}compute(e,t,r,s,i=null){const n=this.get(t),{passEncoderGPU:a}=this.get(e),o=this.get(s).pipeline;this.pipelineUtils.setPipeline(a,o);for(let e=0,t=r.length;e<t;e++){const t=r[e],s=this.get(t);a.setBindGroup(e,s.group)}if(null===i&&(i=t.dispatchSize||t.count),i&&i.isIndirectStorageBufferAttribute){const e=this.get(i).buffer;return void a.dispatchWorkgroupsIndirect(e,0)}if("number"==typeof i){const e=i;if(void 0===n.dispatchSize||n.count!==e){n.dispatchSize=[0,1,1],n.count=e;const r=t.workgroupSize;let s=r[0];for(let e=1;e<r.length;e++)s*=r[e];const a=Math.ceil(e/s),o=this.device.limits.maxComputeWorkgroupsPerDimension;i=[a,1,1],a>o&&(i[0]=Math.min(a,o),i[1]=Math.ceil(a/o)),n.dispatchSize=i}i=n.dispatchSize}a.dispatchWorkgroups(i[0],i[1]||1,i[2]||1)}finishCompute(e){const t=this.get(e);t.passEncoderGPU.end(),zC(this.device,t.cmdEncoderGPU.finish())}_draw(e,t,r,s,i,n,a,o,u){const{object:l,material:d,context:c}=e,h=e.getIndex(),p=null!==h;this.pipelineUtils.setPipeline(o,s),u.pipeline=s;const g=u.bindingGroups;for(let e=0,t=i.length;e<t;e++){const t=i[e],r=this.get(t);g[e]!==t.id&&(o.setBindGroup(e,r.group),g[e]=t.id)}if(!0===p&&u.index!==h){const e=this.get(h).buffer,t=h.array instanceof Uint16Array?$E:zE;o.setIndexBuffer(e,t),u.index=h}for(let e=0,t=n.length;e<t;e++){const t=n[e];if(u.attributes[e]!==t){const r=this.get(t).buffer;o.setVertexBuffer(e,r),u.attributes[e]=t}}if(!0===c.stencil&&!0===d.stencilWrite&&r.currentStencilRef!==d.stencilRef&&(o.setStencilReference(d.stencilRef),r.currentStencilRef=d.stencilRef),!0===l.isBatchedMesh){const e=l._multiDrawStarts,r=l._multiDrawCounts,s=l._multiDrawCount;let i=!0===p?h.array.BYTES_PER_ELEMENT:1;d.wireframe&&(i=l.geometry.attributes.position.count>65535?4:2);for(let n=0;n<s;n++)!0===p?o.drawIndexed(r[n],1,e[n]/i,0,n):o.draw(r[n],1,e[n],n),t.update(l,r[n],1)}else if(!0===p){const{vertexCount:r,instanceCount:s,firstVertex:i}=a,n=e.getIndirect();if(null!==n){const t=this.get(n).buffer,r=e.getIndirectOffset(),s=Array.isArray(r)?r:[r];for(let e=0;e<s.length;e++)o.drawIndexedIndirect(t,s[e])}else o.drawIndexed(r,s,i,0,0);t.update(l,r,s)}else{const{vertexCount:r,instanceCount:s,firstVertex:i}=a,n=e.getIndirect();if(null!==n){const t=this.get(n).buffer,r=e.getIndirectOffset(),s=Array.isArray(r)?r:[r];for(let e=0;e<s.length;e++)o.drawIndirect(t,s[e])}else o.draw(r,s,i,0);t.update(l,r,s)}}draw(e,t){const{object:r,context:s,pipeline:i}=e,n=this.get(s),a=this.get(i),o=a.pipeline;if(!0===a.error)return;const u=e.getDrawParameters();if(null===u)return;const l=e.getBindings(),d=e.getVertexBuffers();if(e.camera.isArrayCamera&&e.camera.cameras.length>0){const i=this.get(e.camera),a=e.camera.cameras,c=e.getBindingGroup("cameraIndex");if(void 0===i.indexesGPU||i.indexesGPU.length!==a.length){const e=this.get(c),t=[],r=new Uint32Array([0,0,0,0]);for(let s=0,i=a.length;s<i;s++){r[0]=s;const{layoutGPU:i}=e.layout,n=this.bindingUtils.createBindGroupIndex(r,i);t.push(n)}i.indexesGPU=t}const h=this.renderer.getPixelRatio();for(let p=0,g=a.length;p<g;p++){const g=a[p];if(r.layers.test(g.layers)){const r=g.viewport;let a=n.currentPass,m=n.currentSets;const f=void 0!==n.bundleEncoders;if(f){a=n.bundleEncoders[p],m=n.bundleSets[p]}if(r&&!f&&a.setViewport(Math.floor(r.x*h),Math.floor(r.y*h),Math.floor(r.width*h),Math.floor(r.height*h),s.viewportValue.minDepth,s.viewportValue.maxDepth),c&&i.indexesGPU){const e=l.indexOf(c);a.setBindGroup(e,i.indexesGPU[p]),m.bindingGroups[e]=c.id}this._draw(e,t,n,o,l,d,u,a,m)}}}else if(n.currentPass){if(void 0!==n.occlusionQuerySet){const e=n.lastOcclusionObject;e!==r&&(null!==e&&!0===e.occlusionTest&&(n.currentPass.endOcclusionQuery(),n.occlusionQueryIndex++),!0===r.occlusionTest&&(n.currentPass.beginOcclusionQuery(n.occlusionQueryIndex),n.occlusionQueryObjects[n.occlusionQueryIndex]=r),n.lastOcclusionObject=r)}this._draw(e,t,n,o,l,d,u,n.currentPass,n.currentSets)}}needsRenderUpdate(e){const t=this.get(e),{object:r,material:s}=e,i=this.utils,n=i.getSampleCountRenderContext(e.context),a=i.getCurrentColorSpace(e.context),o=i.getCurrentColorFormat(e.context),u=i.getCurrentDepthStencilFormat(e.context),l=i.getPrimitiveTopology(r,s);let d=!1;return t.material===s&&t.materialVersion===s.version&&t.transparent===s.transparent&&t.blending===s.blending&&t.premultipliedAlpha===s.premultipliedAlpha&&t.blendSrc===s.blendSrc&&t.blendDst===s.blendDst&&t.blendEquation===s.blendEquation&&t.blendSrcAlpha===s.blendSrcAlpha&&t.blendDstAlpha===s.blendDstAlpha&&t.blendEquationAlpha===s.blendEquationAlpha&&t.colorWrite===s.colorWrite&&t.depthWrite===s.depthWrite&&t.depthTest===s.depthTest&&t.depthFunc===s.depthFunc&&t.stencilWrite===s.stencilWrite&&t.stencilFunc===s.stencilFunc&&t.stencilFail===s.stencilFail&&t.stencilZFail===s.stencilZFail&&t.stencilZPass===s.stencilZPass&&t.stencilFuncMask===s.stencilFuncMask&&t.stencilWriteMask===s.stencilWriteMask&&t.side===s.side&&t.alphaToCoverage===s.alphaToCoverage&&t.sampleCount===n&&t.colorSpace===a&&t.colorFormat===o&&t.depthStencilFormat===u&&t.primitiveTopology===l&&t.clippingContextCacheKey===e.clippingContextCacheKey||(t.material=s,t.materialVersion=s.version,t.transparent=s.transparent,t.blending=s.blending,t.premultipliedAlpha=s.premultipliedAlpha,t.blendSrc=s.blendSrc,t.blendDst=s.blendDst,t.blendEquation=s.blendEquation,t.blendSrcAlpha=s.blendSrcAlpha,t.blendDstAlpha=s.blendDstAlpha,t.blendEquationAlpha=s.blendEquationAlpha,t.colorWrite=s.colorWrite,t.depthWrite=s.depthWrite,t.depthTest=s.depthTest,t.depthFunc=s.depthFunc,t.stencilWrite=s.stencilWrite,t.stencilFunc=s.stencilFunc,t.stencilFail=s.stencilFail,t.stencilZFail=s.stencilZFail,t.stencilZPass=s.stencilZPass,t.stencilFuncMask=s.stencilFuncMask,t.stencilWriteMask=s.stencilWriteMask,t.side=s.side,t.alphaToCoverage=s.alphaToCoverage,t.sampleCount=n,t.colorSpace=a,t.colorFormat=o,t.depthStencilFormat=u,t.primitiveTopology=l,t.clippingContextCacheKey=e.clippingContextCacheKey,d=!0),d}getRenderCacheKey(e){const{object:t,material:r}=e,s=this.utils,i=e.context,n=t.isMesh&&t.matrixWorld.determinant()<0;return[r.transparent,r.blending,r.premultipliedAlpha,r.blendSrc,r.blendDst,r.blendEquation,r.blendSrcAlpha,r.blendDstAlpha,r.blendEquationAlpha,r.colorWrite,r.depthWrite,r.depthTest,r.depthFunc,r.stencilWrite,r.stencilFunc,r.stencilFail,r.stencilZFail,r.stencilZPass,r.stencilFuncMask,r.stencilWriteMask,r.side,n,s.getSampleCountRenderContext(i),s.getCurrentColorSpace(i),s.getCurrentColorFormat(i),s.getCurrentDepthStencilFormat(i),s.getPrimitiveTopology(t,r),e.getGeometryCacheKey(),e.clippingContextCacheKey].join()}updateSampler(e,t){return this.textureUtils.updateSampler(e,t)}createDefaultTexture(e){return this.textureUtils.createDefaultTexture(e)}createTexture(e,t){this.textureUtils.createTexture(e,t)}updateTexture(e,t){this.textureUtils.updateTexture(e,t)}generateMipmaps(e){this.textureUtils.generateMipmaps(e)}destroyTexture(e,t=!1){this.textureUtils.destroyTexture(e,t)}async copyTextureToBuffer(e,t,r,s,i,n){return this.textureUtils.copyTextureToBuffer(e,t,r,s,i,n)}initTimestampQuery(e,t,r){if(!this.trackTimestamp)return;this.timestampQueryPool[e]||(this.timestampQueryPool[e]=new hB(this.device,e,2048));const s=this.timestampQueryPool[e],i=s.allocateQueriesForContext(t);TB.querySet=s.querySet,TB.beginningOfPassWriteIndex=i,TB.endOfPassWriteIndex=i+1,r.timestampWrites=TB}createNodeBuilder(e,t){return new WM(e,t)}createProgram(e){const t=this.get(e);xB.label=e.stage+(""!==e.name?`_${e.name}`:""),xB.code=e.code,t.module={module:this.device.createShaderModule(xB),entryPoint:"main"},xB.reset()}destroyProgram(e){this.delete(e)}createRenderPipeline(e,t){this.pipelineUtils.createRenderPipeline(e,t)}createComputePipeline(e,t){this.pipelineUtils.createComputePipeline(e,t)}beginBundle(e){const t=this.get(e);t._currentPass=t.currentPass,t._currentSets=t.currentSets,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.currentPass=this.pipelineUtils.createBundleEncoder(e)}finishBundle(e,t){const r=this.get(e),s=r.currentPass.finish();this.get(t).bundleGPU=s,r.currentSets=r._currentSets,r.currentPass=r._currentPass}addBundle(e,t){this.get(e).renderBundles.push(this.get(t).bundleGPU)}createUniformBuffer(e){const t=this.get(e);if(void 0===t.buffer){const r=e.byteLength,s=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,i=[];e.visibility&EE.VERTEX&&i.push("vertex"),e.visibility&EE.FRAGMENT&&i.push("fragment"),e.visibility&EE.COMPUTE&&i.push("compute");const n=`(${i.join(",")})`;mB.label=`bindingBuffer${e.id}_${e.name}_${n}`,mB.size=r,mB.usage=s;const a=this.device.createBuffer(mB);mB.reset(),t.buffer=a}}destroyUniformBuffer(e){this.get(e).buffer.destroy(),this.delete(e)}createBindings(e,t,r,s){this.bindingUtils.createBindings(e,t,r,s)}updateBindings(e,t,r,s){this.bindingUtils.createBindings(e,t,r,s)}updateBinding(e){this.bindingUtils.updateBinding(e)}deleteBindGroupData(e){this.bindingUtils.deleteBindGroupData(e)}createIndexAttribute(e){let t=GPUBufferUsage.INDEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST;(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)&&(t|=GPUBufferUsage.STORAGE),this.attributeUtils.createAttribute(e,t)}createAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createStorageAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.STORAGE|GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createIndirectStorageAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.STORAGE|GPUBufferUsage.INDIRECT|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}updateAttribute(e){this.attributeUtils.updateAttribute(e)}destroyAttribute(e){this.attributeUtils.destroyAttribute(e)}updateSize(){this.delete(this.renderer.getCanvasTarget())}hasFeature(e){return void 0!==DC[e]&&(e=DC[e]),this.device.features.has(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){let a=0,o=0,u=0,l=0,d=0,c=0,h=e.image.width,p=e.image.height,g=1;null!==r&&(!0===r.isBox3?(l=r.min.x,d=r.min.y,c=r.min.z,h=r.max.x-r.min.x,p=r.max.y-r.min.y,g=r.max.z-r.min.z):(l=r.min.x,d=r.min.y,h=r.max.x-r.min.x,p=r.max.y-r.min.y,g=1)),null!==s&&(a=s.x,o=s.y,u=s.z||0),fB.label="copyTextureToTexture_"+e.id+"_"+t.id;const m=this.device.createCommandEncoder(fB);fB.reset();const f=this.get(e).texture,y=this.get(t).texture;_B.texture=f,_B.mipLevel=i,_B.origin.x=l,_B.origin.y=d,_B.origin.z=c,vB.texture=y,vB.mipLevel=n,vB.origin.x=a,vB.origin.y=o,vB.origin.z=u,SB.width=h,SB.height=p,SB.depthOrArrayLayers=g,m.copyTextureToTexture(_B,vB,SB),_B.reset(),vB.reset(),SB.reset(),zC(this.device,m.finish()),0===n&&t.generateMipmaps&&this.textureUtils.generateMipmaps(t)}copyFramebufferToTexture(e,t,r){const s=this.get(t);let i=null;i=t.renderTarget?e.isDepthTexture?this.get(t.depthTexture).texture:this.get(t.textures[0]).texture:e.isDepthTexture?this.textureUtils.getDepthBuffer(t.depth,t.stencil):this.context.getCurrentTexture();const n=this.get(e).texture;if(i.format!==n.format)return void o("WebGPUBackend: copyFramebufferToTexture: Source and destination formats do not match.",i.format,n.format);let a;if(s.currentPass?(s.currentPass.end(),a=s.encoder):(fB.label="copyFramebufferToTexture_"+e.id,a=this.device.createCommandEncoder(fB),fB.reset()),_B.texture=i,_B.origin.x=r.x,_B.origin.y=r.y,vB.texture=n,SB.width=r.z,SB.height=r.w,a.copyTextureToTexture(_B,vB,SB),_B.reset(),vB.reset(),SB.reset(),e.generateMipmaps&&this.textureUtils.generateMipmaps(e,a),s.currentPass){const{descriptor:e}=s;for(let t=0;t<e.colorAttachments.length;t++)e.colorAttachments[t].loadOp=DE;t.depth&&(e.depthStencilAttachment.depthLoadOp=DE),t.stencil&&(e.depthStencilAttachment.stencilLoadOp=DE),s.currentPass=a.beginRenderPass(e),s.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.viewport&&this.updateViewport(t),t.scissor&&this.updateScissor(t)}else zC(this.device,a.finish())}hasCompatibility(e){return void 0!==this._compatibility[e]?this._compatibility[e]:super.hasCompatibility(e)}dispose(){if(this.bindingUtils.dispose(),this.textureUtils.dispose(),this.occludedResolveCache){for(const e of this.occludedResolveCache.values())e.destroy();this.occludedResolveCache.clear()}if(this.timestampQueryPool)for(const e of Object.values(this.timestampQueryPool))null!==e&&e.dispose();void 0===this.parameters.device&&null!==this.device&&this.device.destroy()}}class EB extends ms{constructor(e,t,r,s,i,n){super(e,t,r,s,i,n),this.iesMap=null}copy(e,t){return super.copy(e,t),this.iesMap=e.iesMap,this}}class wB extends ms{constructor(e,t,r,s,i,n){super(e,t,r,s,i,n),this.aspect=null}copy(e,t){return super.copy(e,t),this.aspect=e.aspect,this}}class AB extends nR{constructor(){super(),this.addMaterial(xm,"MeshPhongMaterial"),this.addMaterial(hy,"MeshStandardMaterial"),this.addMaterial(gy,"MeshPhysicalMaterial"),this.addMaterial(Ty,"MeshToonMaterial"),this.addMaterial(dm,"MeshBasicMaterial"),this.addMaterial(ym,"MeshLambertMaterial"),this.addMaterial(Qg,"MeshNormalMaterial"),this.addMaterial(Ny,"MeshMatcapMaterial"),this.addMaterial(Og,"LineBasicMaterial"),this.addMaterial(Vg,"LineDashedMaterial"),this.addMaterial(My,"PointsMaterial"),this.addMaterial(wy,"SpriteMaterial"),this.addMaterial(Py,"ShadowMaterial"),this.addLight(qv,fs),this.addLight(LS,ys),this.addLight($S,bs),this.addLight(PS,ms),this.addLight(BS,xs),this.addLight(FS,Ts),this.addLight(DS,_s),this.addLight(US,EB),this.addLight(IS,wB),this.addToneMapping(FT,vs),this.addToneMapping(PT,Ns),this.addToneMapping(UT,Ss),this.addToneMapping(OT,Rs),this.addToneMapping(GT,Es),this.addToneMapping($T,ws)}}class CB extends CR{constructor(e={}){let t;e.forceWebGL?t=_E:(t=RB,e.getFallback=()=>(d("WebGPURenderer: WebGPU is not available, running under WebGL2 backend."),new _E(e)));super(new t(e),e),this.library=new AB,this.isWebGPURenderer=!0,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}}class MB extends As{constructor(){super(),this.isBundleGroup=!0,this.type="BundleGroup",this.static=!0,this.version=0}set needsUpdate(e){!0===e&&this.version++}}class BB{constructor(e,t=Ln(0,0,1,1)){this.renderer=e,this.outputNode=t,this.outputColorTransform=!0,this.needsUpdate=!0;const r=new Ug;r.name="RenderPipeline",this._quadMesh=new Dx(r),this._quadMesh.name="Render Pipeline",this._context=null,this._toneMapping=e.toneMapping,this._outputColorSpace=e.outputColorSpace}render(){const e=this.renderer;this._update(),null!==this._context.onBeforeRenderPipeline&&this._context.onBeforeRenderPipeline();const t=e.toneMapping,r=e.outputColorSpace;e.toneMapping=m,e.outputColorSpace=p.workingColorSpace;const s=e.xr.enabled;e.xr.enabled=!1,this._quadMesh.render(e),e.xr.enabled=s,e.toneMapping=t,e.outputColorSpace=r,null!==this._context.onAfterRenderPipeline&&this._context.onAfterRenderPipeline()}get context(){return this._context}dispose(){this._quadMesh.material.dispose()}_update(){if(this._toneMapping!==this.renderer.toneMapping&&(this._toneMapping=this.renderer.toneMapping,this.needsUpdate=!0),this._outputColorSpace!==this.renderer.outputColorSpace&&(this._outputColorSpace=this.renderer.outputColorSpace,this.needsUpdate=!0),!0===this.needsUpdate){const e=this._toneMapping,t=this._outputColorSpace,r={renderPipeline:this,onBeforeRenderPipeline:null,onAfterRenderPipeline:null};let s=this.outputNode;!0===this.outputColorTransform?(s=s.context(r),s=Ol(s,e,t)):(r.toneMapping=e,r.outputColorSpace=t,s=s.context(r)),this._context=r,this._quadMesh.material.fragmentNode=s,this._quadMesh.material.needsUpdate=!0,this.needsUpdate=!1}}async renderAsync(){v('RenderPipeline: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await this.renderer.init(),this.render()}}class LB extends BB{constructor(e,t){v('PostProcessing: "PostProcessing" has been renamed to "RenderPipeline". Please update your code to use "THREE.RenderPipeline" instead.'),super(e,t)}}class FB extends u{constructor(e){super(),this.name="",this.buffer=null,this.maxByteLength=e,this.isReadbackBuffer=!0,this._mapped=!1}release(){this.dispatchEvent({type:"release"})}dispose(){this.dispatchEvent({type:"dispose"})}}class PB extends N{constructor(e=1,t=1){super(),this.image={width:e,height:t},this.magFilter=le,this.minFilter=le,this.isStorageTexture=!0,this.mipmapsAutoUpdate=!0}setSize(e,t){this.image.width===e&&this.image.height===t||(this.image.width=e,this.image.height=t,this.dispose())}}class UB extends N{constructor(e=1,t=1,r=1){super(),this.isArrayTexture=!1,this.image={width:e,height:t,depth:r},this.magFilter=le,this.minFilter=le,this.wrapR=_e,this.isStorageTexture=!0,this.is3DTexture=!0}setSize(e,t,r){this.image.width===e&&this.image.height===t&&this.image.depth===r||(this.image.width=e,this.image.height=t,this.image.depth=r,this.dispose())}}class DB extends N{constructor(e=1,t=1,r=1){super(),this.isArrayTexture=!0,this.image={width:e,height:t,depth:r},this.magFilter=le,this.minFilter=le,this.isStorageTexture=!0}setSize(e,t,r){this.image.width===e&&this.image.height===t&&this.image.depth===r||(this.image.width=e,this.image.height=t,this.image.depth=r,this.dispose())}}class OB extends qx{constructor(e,t){super(e,t,Uint32Array),this.isIndirectStorageBufferAttribute=!0}}class IB extends Cs{constructor(e){super(e),this.textures={},this.nodes={}}load(e,t,r,s){const i=new Ms(this.manager);i.setPath(this.path),i.setRequestHeader(this.requestHeader),i.setWithCredentials(this.withCredentials),i.load(e,r=>{try{t(this.parse(JSON.parse(r)))}catch(t){s?s(t):o(t),this.manager.itemError(e)}},r,s)}parseNodes(e){const t={};if(void 0!==e){for(const r of e){const{uuid:e,type:s}=r;t[e]=this.createNodeFromType(s),t[e].uuid=e}const r={nodes:t,textures:this.textures};for(const s of e){s.meta=r;t[s.uuid].deserialize(s),delete s.meta}}return t}parse(e){const t=this.createNodeFromType(e.type);t.uuid=e.uuid;const r={nodes:this.parseNodes(e.nodes),textures:this.textures};return e.meta=r,t.deserialize(e),delete e.meta,t}setTextures(e){return this.textures=e,this}setNodes(e){return this.nodes=e,this}createNodeFromType(e){return void 0===this.nodes[e]?(o("NodeLoader: Node type not found:",e),Tn()):new this.nodes[e]}}class VB extends Bs{constructor(e){super(e),this.nodes={},this.nodeMaterials={}}parse(e){const t=super.parse(e),r=this.nodes,s=e.inputNodes;for(const e in s){const i=s[e];t[e]=r[i]}return t}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}createMaterialFromType(e){const t=this.nodeMaterials[e];return void 0!==t?new t:super.createMaterialFromType(e)}}class kB extends Ls{constructor(e){super(e),this.nodes={},this.nodeMaterials={},this._nodesJSON=null}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}parse(e,t){this._nodesJSON=e.nodes;const r=super.parse(e,t);return this._nodesJSON=null,r}async parseAsync(e){this._nodesJSON=e.nodes;const t=await super.parseAsync(e);return this._nodesJSON=null,t}parseNodes(e,t){if(void 0!==e){const r=new IB;return r.setNodes(this.nodes),r.setTextures(t),r.parseNodes(e)}return{}}parseMaterials(e,t){const r={};if(void 0!==e){const s=this.parseNodes(this._nodesJSON,t),i=new VB;i.setTextures(t),i.setNodes(s),i.setNodeMaterials(this.nodeMaterials);for(let t=0,s=e.length;t<s;t++){const s=e[t];r[s.uuid]=i.parse(s)}}return r}}class GB extends nR{constructor(){super(),this.addLight(qv,fs),this.addLight(LS,ys),this.addLight($S,bs),this.addLight(PS,ms),this.addLight(BS,xs),this.addLight(FS,Ts),this.addLight(DS,_s),this.addLight(US,EB),this.addLight(IS,wB),this.addToneMapping(FT,vs),this.addToneMapping(PT,Ns),this.addToneMapping(UT,Ss),this.addToneMapping(OT,Rs),this.addToneMapping(GT,Es),this.addToneMapping($T,ws)}}class $B extends As{constructor(){super(),this.isClippingGroup=!0,this.clippingPlanes=[],this.enabled=!0,this.clipIntersection=!1,this.clipShadows=!1}}export{Rs as ACESFilmicToneMapping,ng as AONode,it as AddEquation,pe as AddOperation,Qt as AdditiveBlending,Es as AgXToneMapping,$e as AlphaFormat,jr as AlwaysCompare,ir as AlwaysDepth,ss as AlwaysStencilFunc,xs as AmbientLight,BS as AmbientLightNode,Wv as AnalyticLightNode,vt as ArrayCamera,gi as ArrayElementNode,Ca as ArrayNode,Ba as AssignNode,p_ as AtomicFunctionNode,zl as AttributeNode,F as BackSide,tE as Backend,l_ as BarrierNode,nm as BasicEnvironmentNode,am as BasicLightMapNode,GB as BasicNodeLibrary,gt as BasicShadowMap,Ib as BitcastNode,$b as BitcountNode,Lb as BlendMode,ae as BoxGeometry,Ae as BufferAttribute,ll as BufferAttributeNode,ve as BufferGeometry,rd as BufferNode,od as BuiltinNode,Ph as BumpMapNode,MB as BundleGroup,wl as BypassNode,Ie as ByteType,TR as CanvasTarget,Ss as CineonToneMapping,_e as ClampToEdgeWrapping,$B as ClippingGroup,Cg as ClippingNode,zT as CodeNode,e as Color,p as ColorManagement,Qu as ColorSpaceNode,E as Compatibility,r_ as ComputeBuiltinNode,_l as ComputeNode,Cu as ConditionalNode,Si as ConstNode,Bu as ContextNode,mi as ConvertNode,de as CubeCamera,mt as CubeDepthTexture,tm as CubeMapNode,D as CubeReflectionMapping,O as CubeRefractionMapping,Jg as CubeRenderTarget,U as CubeTexture,jc as CubeTextureNode,we as CubeUVReflectionMapping,qt as CullFaceBack,Xt as CullFaceFront,jt as CullFaceNone,Rt as CustomBlending,wt as CylinderGeometry,X as DataArrayTexture,xe as DataTexture,Il as DebugNode,os as DecrementStencilOp,ns as DecrementWrapStencilOp,He as DepthFormat,je as DepthStencilFormat,Z as DepthTexture,ys as DirectionalLight,LS as DirectionalLightNode,P as DoubleSide,Gt as DstAlphaFactor,$t as DstColorFactor,x as DynamicDrawUsage,uy as EnvironmentNode,Hr as EqualCompare,tr as EqualDepth,es as EqualStencilFunc,ce as EquirectangularReflectionMapping,he as EquirectangularRefractionMapping,u as EventDispatcher,Np as EventNode,Bl as ExpressionNode,Ms as FileLoader,_i as FlipNode,xt as Float16BufferAttribute,lt as Float32BufferAttribute,Y as FloatType,K as FramebufferTexture,Tc as FrontFacingNode,St as FrontSide,Lt as Frustum,Bt as FrustumArray,Fa as FunctionCallNode,HT as FunctionNode,nx as FunctionOverloadingNode,ZR as GLSLNodeBuilder,YS as GLSLNodeParser,C as GreaterCompare,Jt as GreaterDepth,M as GreaterEqualCompare,er as GreaterEqualDepth,Jr as GreaterEqualStencilFunc,Zr as GreaterStencilFunc,As as Group,Te as HalfFloatType,Ts as HemisphereLight,FS as HemisphereLightNode,EB as IESSpotLight,US as IESSpotLightNode,us as IncrementStencilOp,as as IncrementWrapStencilOp,gl as IndexNode,OB as IndirectStorageBufferAttribute,vi as InputNode,kl as InspectorBase,Gl as InspectorNode,j as InstancedBufferAttribute,q as InstancedInterleavedBuffer,R as IntType,b as InterleavedBuffer,y as InterleavedBufferAttribute,ls as InvertStencilOp,ug as IrradianceNode,Sl as IsolateNode,yi as JoinNode,hs as KeepStencilOp,w as LessCompare,sr as LessDepth,A as LessEqualCompare,rr as LessEqualDepth,ts as LessEqualStencilFunc,rs as LessStencilFunc,_s as LightProbe,DS as LightProbeNode,uR as Lighting,ag as LightingContextNode,om as LightingModel,ig as LightingNode,rv as LightsNode,Yg as Line2NodeMaterial,ee as LineBasicMaterial,Og as LineBasicNodeMaterial,te as LineDashedMaterial,Vg as LineDashedNodeMaterial,le as LinearFilter,ot as LinearMipMapLinearFilter,Q as LinearMipmapLinearFilter,yt as LinearMipmapNearestFilter,Re as LinearSRGBColorSpace,vs as LinearToneMapping,Xr as LinearTransfer,Cs as Loader,Yp as LoopNode,Db as MRTNode,J as Material,nt as MaterialBlending,Bs as MaterialLoader,Oh as MaterialNode,Jc as MaterialReferenceNode,uo as MathNode,l as MathUtils,i as Matrix2,n as Matrix3,a as Matrix4,ps as MaxEquation,Xl as MaxMipLevelNode,Ri as MemberNode,oe as Mesh,fe as MeshBasicMaterial,dm as MeshBasicNodeMaterial,ye as MeshLambertMaterial,ym as MeshLambertNodeMaterial,Le as MeshMatcapMaterial,Ny as MeshMatcapNodeMaterial,se as MeshNormalMaterial,Qg as MeshNormalNodeMaterial,be as MeshPhongMaterial,xm as MeshPhongNodeMaterial,Me as MeshPhysicalMaterial,gy as MeshPhysicalNodeMaterial,fy as MeshSSSNodeMaterial,Ce as MeshStandardMaterial,hy as MeshStandardNodeMaterial,Be as MeshToonMaterial,Ty as MeshToonNodeMaterial,gs as MinEquation,Gr as MirroredRepeatWrapping,ge as MixOperation,Jd as ModelNode,Yt as MultiplyBlending,me as MultiplyOperation,B as NearestFilter,bt as NearestMipmapLinearFilter,zr as NearestMipmapNearestFilter,ws as NeutralToneMapping,qr as NeverCompare,nr as NeverDepth,is as NeverStencilFunc,re as NoBlending,T as NoColorSpace,V as NoNormalPacking,m as NoToneMapping,pi as Node,ai as NodeAccess,KN as NodeAttribute,AS as NodeBuilder,rS as NodeCache,eS as NodeCode,Kl as NodeError,CS as NodeFrame,MS as NodeFunctionInput,IB as NodeLoader,Ug as NodeMaterial,VB as NodeMaterialLoader,Os as NodeMaterialObserver,kB as NodeObjectLoader,si as NodeShaderStage,ni as NodeType,QN as NodeUniform,ii as NodeUpdateType,ri as NodeUtils,ZN as NodeVar,JN as NodeVarying,tt as NormalBlending,G as NormalGAPacking,Mh as NormalMapNode,k as NormalRGPacking,Wr as NotEqualCompare,Zt as NotEqualDepth,Qr as NotEqualStencilFunc,at as Object3D,jd as Object3DNode,Ls as ObjectLoader,$ as ObjectSpaceNormalMap,Ht as OneFactor,It as OneMinusDstAlphaFactor,Vt as OneMinusDstColorFactor,st as OneMinusSrcAlphaFactor,kt as OneMinusSrcColorFactor,Da as OperatorNode,Ne as OrthographicCamera,Mb as OutputStructNode,ct as PCFShadowMap,ht as PCFSoftShadowMap,Zf as PMREMGenerator,ny as PMREMNode,Xb as PackFloatNode,Rb as ParameterNode,BT as PassNode,Se as PerspectiveCamera,mm as PhongLightingModel,gf as PhysicalLightingModel,ut as Plane,Nt as PlaneGeometry,fs as PointLight,qv as PointLightNode,$v as PointShadowNode,Xx as PointUVNode,Pe as PointsMaterial,My as PointsNodeMaterial,LB as PostProcessing,wB as ProjectorLight,IS as ProjectorLightNode,Gn as PropertyNode,Dx as QuadMesh,At as Quaternion,br as R11_EAC_Format,W as RED_GREEN_RGTC2_Format,Ir as RED_RGTC1_Format,_t as REVISION,H as RG11_EAC_Format,Ee as RGBAFormat,Ft as RGBAIntegerFormat,Lr as RGBA_ASTC_10x10_Format,Cr as RGBA_ASTC_10x5_Format,Mr as RGBA_ASTC_10x6_Format,Br as RGBA_ASTC_10x8_Format,Fr as RGBA_ASTC_12x10_Format,Pr as RGBA_ASTC_12x12_Format,_r as RGBA_ASTC_4x4_Format,vr as RGBA_ASTC_5x4_Format,Nr as RGBA_ASTC_5x5_Format,Sr as RGBA_ASTC_6x5_Format,Rr as RGBA_ASTC_6x6_Format,Er as RGBA_ASTC_8x5_Format,wr as RGBA_ASTC_8x6_Format,Ar as RGBA_ASTC_8x8_Format,Ur as RGBA_BPTC_Format,yr as RGBA_ETC2_EAC_Format,gr as RGBA_PVRTC_2BPPV1_Format,pr as RGBA_PVRTC_4BPPV1_Format,ur as RGBA_S3TC_DXT1_Format,lr as RGBA_S3TC_DXT3_Format,dr as RGBA_S3TC_DXT5_Format,Xe as RGBFormat,Ye as RGBIntegerFormat,Dr as RGB_BPTC_SIGNED_Format,Or as RGB_BPTC_UNSIGNED_Format,mr as RGB_ETC1_Format,fr as RGB_ETC2_Format,hr as RGB_PVRTC_2BPPV1_Format,cr as RGB_PVRTC_4BPPV1_Format,or as RGB_S3TC_DXT1_Format,z as RGFormat,qe as RGIntegerFormat,Ix as RTTNode,e_ as RangeNode,FB as ReadbackBuffer,bs as RectAreaLight,$S as RectAreaLightNode,ze as RedFormat,We as RedIntegerFormat,tl as ReferenceBaseNode,Kc as ReferenceNode,Bx as ReflectorNode,Ns as ReinhardToneMapping,Dl as RenderOutputNode,BB as RenderPipeline,ne as RenderTarget,CR as Renderer,rl as RendererReferenceNode,pv as RendererUtils,$r as RepeatWrapping,ds as ReplaceStencilOp,Dt as ReverseSubtractEquation,Sy as RotateNode,xr as SIGNED_R11_EAC_Format,kr as SIGNED_RED_GREEN_RGTC2_Format,Vr as SIGNED_RED_RGTC1_Format,Tr as SIGNED_RG11_EAC_Format,ie as SRGBColorSpace,g as SRGBTransfer,Hx as SampleNode,ue as Scene,cd as ScreenNode,Ti as SetNode,sv as ShadowBaseNode,Ue as ShadowMaterial,Cv as ShadowNode,Py as ShadowNodeMaterial,ke as ShortType,L as Sphere,ft as SphereGeometry,xi as SplitNode,ms as SpotLight,PS as SpotLightNode,Fe as SpriteMaterial,wy as SpriteNodeMaterial,rt as SrcAlphaFactor,zt as SrcAlphaSaturateFactor,Wt as SrcColorFactor,Eb as StackNode,Vs as StackTrace,AB as StandardNodeLibrary,f as StaticDrawUsage,UB as Storage3DTexture,wp as StorageArrayElementNode,DB as StorageArrayTexture,qx as StorageBufferAttribute,Cp as StorageBufferNode,jx as StorageInstancedBufferAttribute,PB as StorageTexture,rT as StorageTexture3DNode,eT as StorageTextureNode,Cb as StructNode,Ab as StructTypeNode,zu as SubBuildNode,f_ as SubgroupFunctionNode,Ot as SubtractEquation,Kt as SubtractiveBlending,WN as TSL,I as TangentSpaceNormalMap,fi as TempNode,N as Texture,nT as Texture3DNode,Zl as TextureNode,jl as TextureSizeNode,Pt as TimestampQuery,il as ToneMappingNode,LT as ToonOutlinePassNode,dt as UVMapping,Oe as Uint16BufferAttribute,De as Uint32BufferAttribute,nd as UniformArrayNode,_a as UniformGroupNode,wa as UniformNode,Zb as UnpackFloatNode,Ve as UnsignedByteType,et as UnsignedInt101111Type,Ze as UnsignedInt248Type,Je as UnsignedInt5999Type,S as UnsignedIntType,Ke as UnsignedShort4444Type,Qe as UnsignedShort5551Type,Ge as UnsignedShortType,oT as UserDataNode,pt as VSMShadowMap,Iu as VarNode,Hu as VaryingNode,t as Vector2,r as Vector3,s as Vector4,lT as VelocityNode,Fg as VertexColorNode,bg as ViewportDepthNode,fg as ViewportDepthTextureNode,ET as ViewportSharedTextureNode,dg as ViewportTextureNode,Vy as VolumeNodeMaterial,WM as WGSLNodeBuilder,_E as WebGLBackend,fE as WebGLCapabilities,c as WebGLCoordinateSystem,RB as WebGPUBackend,h as WebGPUCoordinateSystem,CB as WebGPURenderer,Ct as WebXRController,h_ as WorkgroupInfoNode,Et as ZeroFactor,cs as ZeroStencilOp,Ut as createCanvasElement,ui as defaultBuildStages,oi as defaultShaderStages,o as error,_ as log,li as shaderStages,di as vectorComponents,d as warn,v as warnOnce};
+import{Color as e,Vector2 as t,Vector3 as r,Vector4 as s,Matrix2 as i,Matrix3 as n,Matrix4 as a,error as o,EventDispatcher as u,MathUtils as l,warn as d,WebGLCoordinateSystem as c,WebGPUCoordinateSystem as h,ColorManagement as p,SRGBTransfer as g,NoToneMapping as m,StaticDrawUsage as f,InterleavedBufferAttribute as y,InterleavedBuffer as b,DynamicDrawUsage as x,NoColorSpace as T,log as _,warnOnce as v,Texture as N,UnsignedIntType as S,IntType as R,Compatibility as E,LessCompare as w,LessEqualCompare as A,GreaterCompare as C,GreaterEqualCompare as M,NearestFilter as B,Sphere as L,BackSide as F,DoubleSide as P,CubeTexture as U,CubeReflectionMapping as D,CubeRefractionMapping as I,TangentSpaceNormalMap as O,NoNormalPacking as V,NormalRGPacking as k,NormalGAPacking as G,ObjectSpaceNormalMap as $,RGFormat as z,RED_GREEN_RGTC2_Format as W,RG11_EAC_Format as H,InstancedBufferAttribute as j,InstancedInterleavedBuffer as q,DataArrayTexture as X,FloatType as Y,FramebufferTexture as Q,LinearMipmapLinearFilter as K,DepthTexture as Z,Material as J,LineBasicMaterial as ee,LineDashedMaterial as te,NoBlending as re,MeshNormalMaterial as se,SRGBColorSpace as ie,RenderTarget as ne,BoxGeometry as ae,Mesh as oe,Scene as ue,LinearFilter as le,CubeCamera as de,EquirectangularReflectionMapping as ce,EquirectangularRefractionMapping as he,AddOperation as pe,MixOperation as ge,MultiplyOperation as me,MeshBasicMaterial as fe,MeshLambertMaterial as ye,MeshPhongMaterial as be,DataTexture as xe,HalfFloatType as Te,ClampToEdgeWrapping as _e,BufferGeometry as ve,OrthographicCamera as Ne,PerspectiveCamera as Se,LinearSRGBColorSpace as Re,RGBAFormat as Ee,CubeUVReflectionMapping as we,BufferAttribute as Ae,MeshStandardMaterial as Ce,MeshPhysicalMaterial as Me,MeshToonMaterial as Be,MeshMatcapMaterial as Le,SpriteMaterial as Fe,PointsMaterial as Pe,ShadowMaterial as Ue,Uint32BufferAttribute as De,Uint16BufferAttribute as Ie,ByteType as Oe,UnsignedByteType as Ve,ShortType as ke,UnsignedShortType as Ge,AlphaFormat as $e,RedFormat as ze,RedIntegerFormat as We,DepthFormat as He,DepthStencilFormat as je,RGIntegerFormat as qe,RGBFormat as Xe,RGBIntegerFormat as Ye,UnsignedShort4444Type as Qe,UnsignedShort5551Type as Ke,UnsignedInt248Type as Ze,UnsignedInt5999Type as Je,UnsignedInt101111Type as et,NormalBlending as tt,SrcAlphaFactor as rt,OneMinusSrcAlphaFactor as st,AddEquation as it,MaterialBlending as nt,Object3D as at,LinearMipMapLinearFilter as ot,Plane as ut,Float32BufferAttribute as lt,UVMapping as dt,PCFShadowMap as ct,PCFSoftShadowMap as ht,VSMShadowMap as pt,BasicShadowMap as gt,CubeDepthTexture as mt,SphereGeometry as ft,LinearMipmapNearestFilter as yt,NearestMipmapLinearFilter as bt,Float16BufferAttribute as xt,yieldToMain as Tt,REVISION as _t,ArrayCamera as vt,PlaneGeometry as Nt,FrontSide as St,CustomBlending as Rt,ZeroFactor as Et,CylinderGeometry as wt,Quaternion as At,WebXRController as Ct,RAD2DEG as Mt,FrustumArray as Bt,Frustum as Lt,RGBAIntegerFormat as Ft,TimestampQuery as Pt,createCanvasElement as Ut,ReverseSubtractEquation as Dt,SubtractEquation as It,OneMinusDstAlphaFactor as Ot,OneMinusDstColorFactor as Vt,OneMinusSrcColorFactor as kt,DstAlphaFactor as Gt,DstColorFactor as $t,SrcAlphaSaturateFactor as zt,SrcColorFactor as Wt,OneFactor as Ht,CullFaceNone as jt,CullFaceBack as qt,CullFaceFront as Xt,MultiplyBlending as Yt,SubtractiveBlending as Qt,AdditiveBlending as Kt,NotEqualDepth as Zt,GreaterDepth as Jt,GreaterEqualDepth as er,EqualDepth as tr,LessEqualDepth as rr,LessDepth as sr,AlwaysDepth as ir,NeverDepth as nr,ReversedDepthFuncs as ar,RGB_S3TC_DXT1_Format as or,RGBA_S3TC_DXT1_Format as ur,RGBA_S3TC_DXT3_Format as lr,RGBA_S3TC_DXT5_Format as dr,RGB_PVRTC_4BPPV1_Format as cr,RGB_PVRTC_2BPPV1_Format as hr,RGBA_PVRTC_4BPPV1_Format as pr,RGBA_PVRTC_2BPPV1_Format as gr,RGB_ETC1_Format as mr,RGB_ETC2_Format as fr,RGBA_ETC2_EAC_Format as yr,R11_EAC_Format as br,SIGNED_R11_EAC_Format as xr,SIGNED_RG11_EAC_Format as Tr,RGBA_ASTC_4x4_Format as _r,RGBA_ASTC_5x4_Format as vr,RGBA_ASTC_5x5_Format as Nr,RGBA_ASTC_6x5_Format as Sr,RGBA_ASTC_6x6_Format as Rr,RGBA_ASTC_8x5_Format as Er,RGBA_ASTC_8x6_Format as wr,RGBA_ASTC_8x8_Format as Ar,RGBA_ASTC_10x5_Format as Cr,RGBA_ASTC_10x6_Format as Mr,RGBA_ASTC_10x8_Format as Br,RGBA_ASTC_10x10_Format as Lr,RGBA_ASTC_12x10_Format as Fr,RGBA_ASTC_12x12_Format as Pr,RGBA_BPTC_Format as Ur,RGB_BPTC_SIGNED_Format as Dr,RGB_BPTC_UNSIGNED_Format as Ir,RED_RGTC1_Format as Or,SIGNED_RED_RGTC1_Format as Vr,SIGNED_RED_GREEN_RGTC2_Format as kr,MirroredRepeatWrapping as Gr,RepeatWrapping as $r,NearestMipmapNearestFilter as zr,NotEqualCompare as Wr,EqualCompare as Hr,AlwaysCompare as jr,NeverCompare as qr,LinearTransfer as Xr,getByteLength as Yr,isTypedArray as Qr,NotEqualStencilFunc as Kr,GreaterStencilFunc as Zr,GreaterEqualStencilFunc as Jr,EqualStencilFunc as es,LessEqualStencilFunc as ts,LessStencilFunc as rs,AlwaysStencilFunc as ss,NeverStencilFunc as is,DecrementWrapStencilOp as ns,IncrementWrapStencilOp as as,DecrementStencilOp as os,IncrementStencilOp as us,InvertStencilOp as ls,ReplaceStencilOp as ds,ZeroStencilOp as cs,KeepStencilOp as hs,MaxEquation as ps,MinEquation as gs,SpotLight as ms,PointLight as fs,DirectionalLight as ys,RectAreaLight as bs,AmbientLight as xs,HemisphereLight as Ts,LightProbe as _s,LinearToneMapping as vs,ReinhardToneMapping as Ns,CineonToneMapping as Ss,ACESFilmicToneMapping as Rs,AgXToneMapping as Es,NeutralToneMapping as ws,Group as As,Loader as Cs,FileLoader as Ms,MaterialLoader as Bs,ObjectLoader as Ls}from"./three.core.min.js";export{AdditiveAnimationBlendMode,AnimationAction,AnimationClip,AnimationLoader,AnimationMixer,AnimationObjectGroup,AnimationUtils,ArcCurve,ArrowHelper,AttachedBindMode,Audio,AudioAnalyser,AudioContext,AudioListener,AudioLoader,AxesHelper,BasicDepthPacking,BatchedMesh,BezierInterpolant,Bone,BooleanKeyframeTrack,Box2,Box3,Box3Helper,BoxHelper,BufferGeometryLoader,Cache,Camera,CameraHelper,CanvasTexture,CapsuleGeometry,CatmullRomCurve3,CircleGeometry,Clock,ColorKeyframeTrack,CompressedArrayTexture,CompressedCubeTexture,CompressedTexture,CompressedTextureLoader,ConeGeometry,ConstantAlphaFactor,ConstantColorFactor,Controls,CubeTextureLoader,CubicBezierCurve,CubicBezierCurve3,CubicInterpolant,CullFaceFrontBack,Curve,CurvePath,CustomToneMapping,Cylindrical,Data3DTexture,DataTextureLoader,DataUtils,DefaultLoadingManager,DetachedBindMode,DirectionalLightHelper,DiscreteInterpolant,DodecahedronGeometry,DynamicCopyUsage,DynamicReadUsage,EdgesGeometry,EllipseCurve,Euler,ExternalTexture,ExtrudeGeometry,Fog,FogExp2,GLBufferAttribute,GLSL1,GLSL3,GridHelper,HTMLTexture,HemisphereLightHelper,IcosahedronGeometry,ImageBitmapLoader,ImageLoader,ImageUtils,InstancedBufferGeometry,InstancedMesh,Int16BufferAttribute,Int32BufferAttribute,Int8BufferAttribute,Interpolant,InterpolateBezier,InterpolateDiscrete,InterpolateLinear,InterpolateSmooth,InterpolationSamplingMode,InterpolationSamplingType,KeyframeTrack,LOD,LatheGeometry,Layers,Light,Line,Line3,LineCurve,LineCurve3,LineLoop,LineSegments,LinearInterpolant,LinearMipMapNearestFilter,LoaderUtils,LoadingManager,LoopOnce,LoopPingPong,LoopRepeat,MOUSE,MeshDepthMaterial,MeshDistanceMaterial,NearestMipMapLinearFilter,NearestMipMapNearestFilter,NormalAnimationBlendMode,NumberKeyframeTrack,OctahedronGeometry,OneMinusConstantAlphaFactor,OneMinusConstantColorFactor,Path,PlaneHelper,PointLightHelper,Points,PolarGridHelper,PolyhedronGeometry,PositionalAudio,PropertyBinding,PropertyMixer,QuadraticBezierCurve,QuadraticBezierCurve3,QuaternionKeyframeTrack,QuaternionLinearInterpolant,RGBADepthPacking,RGBDepthPacking,RGDepthPacking,RawShaderMaterial,Ray,Raycaster,RenderTarget3D,RingGeometry,ShaderMaterial,Shape,ShapeGeometry,ShapePath,ShapeUtils,Skeleton,SkeletonHelper,SkinnedMesh,Source,Spherical,SphericalHarmonics3,SplineCurve,SpotLightHelper,Sprite,StaticCopyUsage,StaticReadUsage,StereoCamera,StreamCopyUsage,StreamDrawUsage,StreamReadUsage,StringKeyframeTrack,TOUCH,TetrahedronGeometry,TextureLoader,TextureUtils,Timer,TorusGeometry,TorusKnotGeometry,Triangle,TriangleFanDrawMode,TriangleStripDrawMode,TrianglesDrawMode,TubeGeometry,Uint8BufferAttribute,Uint8ClampedBufferAttribute,Uniform,UniformsGroup,VectorKeyframeTrack,VideoFrameTexture,VideoTexture,WebGL3DRenderTarget,WebGLArrayRenderTarget,WebGLRenderTarget,WireframeGeometry,WrapAroundEnding,ZeroCurvatureEnding,ZeroSlopeEnding,getConsoleFunction,setConsoleFunction}from"./three.core.min.js";const Fs=["alphaMap","alphaTest","anisotropy","anisotropyMap","anisotropyRotation","aoMap","aoMapIntensity","attenuationColor","attenuationDistance","bumpMap","clearcoat","clearcoatMap","clearcoatNormalMap","clearcoatNormalScale","clearcoatRoughness","color","dispersion","displacementMap","emissive","emissiveIntensity","emissiveMap","envMap","envMapIntensity","gradientMap","ior","iridescence","iridescenceIOR","iridescenceMap","iridescenceThicknessMap","lightMap","lightMapIntensity","map","matcap","metalness","metalnessMap","normalMap","normalScale","opacity","roughness","roughnessMap","sheen","sheenColor","sheenColorMap","sheenRoughnessMap","shininess","specular","specularColor","specularColorMap","specularIntensity","specularIntensityMap","specularMap","thickness","transmission","transmissionMap"],Ps=new WeakMap,Us=new WeakMap,Ds=new WeakMap;class Is{constructor(e){this.renderObjects=new WeakMap,this.hasNode=this.containsNode(e),this.hasAnimation=!0===e.object.isSkinnedMesh,this.refreshUniforms=Fs,this.renderId=0}firstInitialization(e){return!1===this.renderObjects.has(e)&&(this.getRenderObjectData(e),!0)}needsVelocity(e){const t=e.getMRT();return null!==t&&t.has("velocity")}getRenderObjectData(e){let t=this.renderObjects.get(e);if(void 0===t){const{geometry:r,object:s}=e;if(t={geometryId:r.id,worldMatrix:s.matrixWorld.clone()},s.center&&(t.center=s.center.clone()),s.morphTargetInfluences&&(t.morphTargetInfluences=s.morphTargetInfluences.slice()),null!==e.bundle&&(t.version=e.bundle.version),e.material.transmission>0){const{width:r,height:s}=e.context;t.bufferWidth=r,t.bufferHeight=s}t.lights=this.getLightsData(e.lightsNode.getLights(),[]),this.renderObjects.set(e,t)}return t}getAttributesData(e){const t={};for(const r in e){const s=e[r];t[r]={id:s.isInterleavedBufferAttribute?s.data.uuid:s.id,version:s.isInterleavedBufferAttribute?s.data.version:s.version}}return t}containsNode(e){const t=e.material;for(const e in t)if(t[e]&&t[e].isNode)return!0;return!!(e.context.modelViewMatrix||e.context.modelNormalViewMatrix||e.context.getAO||e.context.getShadow)}getGeometryData(e){let t=Ds.get(e);return void 0===t&&(t={_renderId:-1,_equal:!1,attributes:this.getAttributesData(e.attributes),indexId:e.index?e.index.id:null,indexVersion:e.index?e.index.version:null,drawRange:{start:e.drawRange.start,count:e.drawRange.count}},Ds.set(e,t)),t}getMaterialData(e){let t=Us.get(e);if(void 0===t){t={_renderId:-1,_equal:!1};for(const r of this.refreshUniforms){const s=e[r];null!=s&&("object"==typeof s&&void 0!==s.clone?!0===s.isTexture?t[r]={id:s.id,version:0}:t[r]=s.clone():t[r]=s)}Us.set(e,t)}return t}equals(e,t,r){const{object:s,material:i,geometry:n}=e,a=this.getRenderObjectData(e);if(!0!==a.worldMatrix.equals(s.matrixWorld))return a.worldMatrix.copy(s.matrixWorld),!1;const o=this.getMaterialData(e.material);if(o._renderId!==r){o._renderId=r;for(const e in o){const t=o[e],r=i[e];if("_renderId"!==e&&"_equal"!==e)if(void 0!==t.equals){if(!1===t.equals(r))return t.copy(r),o._equal=!1,!1}else if(!0===r.isTexture){if(t.id!==r.id||t.version!==r.version)return t.id=r.id,t.version=r.version,o._equal=!1,!1}else if(t!==r)return o[e]=r,o._equal=!1,!1}if(o.transmission>0){const{width:t,height:r}=e.context;if(a.bufferWidth!==t||a.bufferHeight!==r)return a.bufferWidth=t,a.bufferHeight=r,o._equal=!1,!1}o._equal=!0}else if(!1===o._equal)return!1;if(a.geometryId!==n.id)return a.geometryId=n.id,!1;const u=this.getGeometryData(e.geometry);if(u._renderId!==r){u._renderId=r;const e=n.attributes,t=u.attributes;let s=0,i=0;for(const t in e)s++;for(const r in t){i++;const s=t[r],n=e[r];if(void 0===n)return delete t[r],u._equal=!1,!1;const a=n.isInterleavedBufferAttribute?n.data.uuid:n.id,o=n.isInterleavedBufferAttribute?n.data.version:n.version;if(s.id!==a||s.version!==o)return s.id=a,s.version=o,u._equal=!1,!1}if(i!==s)return u.attributes=this.getAttributesData(e),u._equal=!1,!1;const a=n.index,o=u.indexId,l=u.indexVersion,d=a?a.id:null,c=a?a.version:null;if(o!==d||l!==c)return u.indexId=d,u.indexVersion=c,u._equal=!1,!1;if(u.drawRange.start!==n.drawRange.start||u.drawRange.count!==n.drawRange.count)return u.drawRange.start=n.drawRange.start,u.drawRange.count=n.drawRange.count,u._equal=!1,!1;u._equal=!0}else if(!1===u._equal)return!1;if(a.morphTargetInfluences){let e=!1;for(let t=0;t<a.morphTargetInfluences.length;t++)a.morphTargetInfluences[t]!==s.morphTargetInfluences[t]&&(a.morphTargetInfluences[t]=s.morphTargetInfluences[t],e=!0);if(e)return!1}if(a.lights)for(let e=0;e<t.length;e++)if(a.lights[e].map!==t[e].map)return!1;return a.center&&!1===a.center.equals(s.center)?(a.center.copy(s.center),!0):(null!==e.bundle&&(a.version=e.bundle.version),!0)}getLightsData(e,t){t.length=0;for(const r of e)!0===r.isSpotLight&&null!==r.map&&t.push({map:r.map.version});return t}getLights(e,t){let r=Ps.get(e);return void 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Qs(e){return/float|int|uint|bool/.test(e)?1:/vec2/.test(e)?2:/vec3/.test(e)||/vec4/.test(e)?4:/mat2/.test(e)?2:/mat3/.test(e)||/mat4/.test(e)?4:void o(`TSL: Unsupported type: ${e}`,new Vs)}function Ks(e){if(null==e)return null;const t=typeof e;return!0===e.isNode?"node":"number"===t?"float":"boolean"===t?"bool":"string"===t?"string":"function"===t?"shader":!0===e.isVector2?"vec2":!0===e.isVector3?"vec3":!0===e.isVector4?"vec4":!0===e.isMatrix2?"mat2":!0===e.isMatrix3?"mat3":!0===e.isMatrix4?"mat4":!0===e.isColor?"color":e instanceof ArrayBuffer?"ArrayBuffer":null}function Zs(o,...u){const l=o?o.slice(-4):void 0;return 1===u.length&&("vec2"===l?u=[u[0],u[0]]:"vec3"===l?u=[u[0],u[0],u[0]]:"vec4"===l&&(u=[u[0],u[0],u[0],u[0]])),"color"===o?new e(...u):"vec2"===l?new t(...u):"vec3"===l?new r(...u):"vec4"===l?new s(...u):"mat2"===l?new i(...u):"mat3"===l?new n(...u):"mat4"===l?new 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si={VERTEX:"vertex",FRAGMENT:"fragment"},ii={NONE:"none",FRAME:"frame",RENDER:"render",OBJECT:"object"},ni={BOOLEAN:"bool",INTEGER:"int",FLOAT:"float",VECTOR2:"vec2",VECTOR3:"vec3",VECTOR4:"vec4",MATRIX2:"mat2",MATRIX3:"mat3",MATRIX4:"mat4"},ai={READ_ONLY:"readOnly",WRITE_ONLY:"writeOnly",READ_WRITE:"readWrite"},oi=["fragment","vertex"],ui=["setup","analyze","generate"],li=[...oi,"compute"],di=["x","y","z","w"],ci={analyze:"setup",generate:"analyze"};let hi=0;class pi extends u{static get type(){return"Node"}constructor(e=null){super(),this.nodeType=e,this.updateType=ii.NONE,this.updateBeforeType=ii.NONE,this.updateAfterType=ii.NONE,this.version=0,this.name="",this.global=!1,this.parents=!1,this.isNode=!0,this._beforeNodes=null,this._cacheKey=null,this._uuid=null,this._cacheKeyVersion=0,this.id=hi++,this.stackTrace=null,!0===pi.captureStackTrace&&(this.stackTrace=new Vs)}set needsUpdate(e){!0===e&&this.version++}get uuid(){return null===this._uuid&&(this._uuid=l.generateUUID()),this._uuid}get type(){return this.constructor.type}onUpdate(e,t){return this.updateType=t,this.update=e.bind(this),this}onFrameUpdate(e){return this.onUpdate(e,ii.FRAME)}onRenderUpdate(e){return this.onUpdate(e,ii.RENDER)}onObjectUpdate(e){return this.onUpdate(e,ii.OBJECT)}onReference(e){return this.updateReference=e.bind(this),this}updateReference(){return this}isGlobal(){return this.global}*getChildren(){for(const{childNode:e}of this._getChildren())yield e}dispose(){this.dispatchEvent({type:"dispose"})}traverse(e){e(this);for(const t of this.getChildren())t.traverse(e)}_getChildren(e=new Set){const t=[];e.add(this);for(const r of Object.getOwnPropertyNames(this)){const s=this[r];if(!0!==r.startsWith("_")&&!e.has(s))if(!0===Array.isArray(s))for(let e=0;e<s.length;e++){const i=s[e];i&&!0===i.isNode&&t.push({property:r,index:e,childNode:i})}else if(s&&!0===s.isNode)t.push({property:r,childNode:s});else if(s&&Object.getPrototypeOf(s)===Object.prototype)for(const e in s){if(!0===e.startsWith("_"))continue;const i=s[e];i&&!0===i.isNode&&t.push({property:r,index:e,childNode:i})}}return t}getCacheKey(e=!1,t=null){if(!0===(e=e||this.version!==this._cacheKeyVersion)||null===this._cacheKey){null===t&&(t=new Set);const r=[];for(const{property:s,childNode:i}of this._getChildren(t))r.push(Gs(s.slice(0,-4)),i.getCacheKey(e,t));this._cacheKey=zs($s(r),this.customCacheKey()),this._cacheKeyVersion=this.version}return this._cacheKey}customCacheKey(){return this.id}getScope(){return this}getHash(){return String(this.id)}getUpdateType(){return this.updateType}getUpdateBeforeType(){return this.updateBeforeType}getUpdateAfterType(){return this.updateAfterType}getElementType(e){const t=this.getNodeType(e);return e.getElementType(t)}getMemberType(){return"void"}getNodeType(e,t=null){const r=e.getDataFromNode(this);let s;return null!==t?(r.typeFromOutput=r.typeFromOutput||{},s=r.typeFromOutput[t],void 0===s&&(s=this.generateNodeType(e,t),r.typeFromOutput[t]=s)):(s=r.type,void 0===s&&(s=this.generateNodeType(e),r.type=s)),s}generateNodeType(e,t=null){const r=e.getNodeProperties(this);return r.outputNode?r.outputNode.getNodeType(e,t):this.nodeType}getShared(e){const t=this.getHash(e);return e.getNodeFromHash(t)||this}getArrayCount(){return null}setup(e){const t=e.getNodeProperties(this);let r=0;for(const e of this.getChildren())t["node"+r++]=e;return t.outputNode||null}analyze(e,t=null){const r=e.increaseUsage(this);if(!0===this.parents){const r=e.getDataFromNode(this,"any");r.stages=r.stages||{},r.stages[e.shaderStage]=r.stages[e.shaderStage]||[],r.stages[e.shaderStage].push(t)}if(1===r){const t=e.getNodeProperties(this);for(const r of Object.values(t))r&&!0===r.isNode&&r.build(e,this)}}generate(e,t){const{outputNode:r}=e.getNodeProperties(this);if(r&&!0===r.isNode)return r.build(e,t)}updateBefore(){d("Abstract function.")}updateAfter(){d("Abstract function.")}update(){d("Abstract function.")}before(e){return null===this._beforeNodes&&(this._beforeNodes=[]),this._beforeNodes.push(e),this}build(e,t=null){const r=this.getShared(e);if(this!==r)return r.build(e,t);if(null!==this._beforeNodes){const r=this._beforeNodes;this._beforeNodes=null;for(const s of r)s.build(e,t);this._beforeNodes=r}const s=e.getDataFromNode(this);s.buildStages=s.buildStages||{},s.buildStages[e.buildStage]=!0;const i=ci[e.buildStage];if(i&&!0!==s.buildStages[i]){const t=e.getBuildStage();e.setBuildStage(i),this.build(e),e.setBuildStage(t)}e.addChain(this);let n=null;const a=e.getBuildStage();if("setup"===a){e.addNode(this),this.updateReference(e);const t=e.getNodeProperties(this);if(!0!==t.initialized){t.initialized=!0,t.outputNode=this.setup(e)||t.outputNode||null;for(const r of Object.values(t))if(r&&!0===r.isNode){if(!0===r.parents){const t=e.getNodeProperties(r);t.parents=t.parents||[],t.parents.push(this)}r.build(e)}e.addSequentialNode(this)}n=t.outputNode}else if("analyze"===a)this.analyze(e,t);else if("generate"===a){if(this.generate.length<2){const r=this.getNodeType(e),s=e.getDataFromNode(this);n=s.snippet,void 0===n?void 0===s.generated?(s.generated=!0,n=this.generate(e)||"",s.snippet=n):(d("Node: Recursion detected.",this),n="/* Recursion detected. */"):void 0!==s.flowCodes&&void 0!==e.context.nodeBlock&&e.addFlowCodeHierarchy(this,e.context.nodeBlock),n=e.format(n,r,t)}else n=this.generate(e,t)||"";""===n&&null!==t&&"void"!==t&&"OutputType"!==t&&(o(`TSL: Invalid generated code, expected a "${t}".`),n=e.generateConst(t))}return e.removeChain(this),n}getSerializeChildren(){return this._getChildren()}serialize(e){const t=this.getSerializeChildren(),r={};for(const{property:s,index:i,childNode:n}of t)void 0!==i?(void 0===r[s]&&(r[s]=Number.isInteger(i)?[]:{}),r[s][i]=n.toJSON(e.meta).uuid):r[s]=n.toJSON(e.meta).uuid;Object.keys(r).length>0&&(e.inputNodes=r)}deserialize(e){if(void 0!==e.inputNodes){const t=e.meta.nodes;for(const r in e.inputNodes)if(Array.isArray(e.inputNodes[r])){const s=[];for(const i of e.inputNodes[r])s.push(t[i]);this[r]=s}else if("object"==typeof e.inputNodes[r]){const s={};for(const i in e.inputNodes[r]){const n=e.inputNodes[r][i];s[i]=t[n]}this[r]=s}else{const s=e.inputNodes[r];this[r]=t[s]}}}toJSON(e){const{uuid:t,type:r}=this,s=void 0===e||"string"==typeof e;s&&(e={textures:{},images:{},nodes:{}});let i=e.nodes[t];function n(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(void 0===i&&(i={uuid:t,type:r,meta:e,metadata:{version:4.7,type:"Node",generator:"Node.toJSON"}},!0!==s&&(e.nodes[i.uuid]=i),this.serialize(i),delete i.meta),s){const t=n(e.textures),r=n(e.images),s=n(e.nodes);t.length>0&&(i.textures=t),r.length>0&&(i.images=r),s.length>0&&(i.nodes=s)}return i}}pi.captureStackTrace=!1;class gi extends pi{static get type(){return"ArrayElementNode"}constructor(e,t){super(),this.node=e,this.indexNode=t,this.isArrayElementNode=!0}generateNodeType(e){return this.node.getElementType(e)}getMemberType(e,t){return this.node.getMemberType(e,t)}generate(e){const t=this.indexNode.getNodeType(e);return`${this.node.build(e)}[ ${this.indexNode.build(e,!e.isVector(t)&&e.isInteger(t)?t:"uint")} ]`}}class mi extends pi{static get type(){return"ConvertNode"}constructor(e,t){super(),this.node=e,this.convertTo=t}generateNodeType(e){const t=this.node.getNodeType(e);let r=null;for(const s of this.convertTo.split("|"))null!==r&&e.getTypeLength(t)!==e.getTypeLength(s)||(r=s);return r}serialize(e){super.serialize(e),e.convertTo=this.convertTo}deserialize(e){super.deserialize(e),this.convertTo=e.convertTo}generate(e,t){const r=this.node,s=this.getNodeType(e),i=r.build(e,s);return e.format(i,s,t)}}class fi extends pi{static get type(){return"TempNode"}constructor(e=null){super(e),this.isTempNode=!0}hasDependencies(e){return e.getDataFromNode(this).usageCount>1}build(e,t){if("generate"===e.getBuildStage()){const r=e.getVectorType(this.getNodeType(e,t)),s=e.getDataFromNode(this);if(void 0!==s.propertyName)return e.format(s.propertyName,r,t);if("void"!==r&&"void"!==t&&this.hasDependencies(e)){const i=super.build(e,r),n=e.getVarFromNode(this,null,r),a=e.getPropertyName(n);return e.addLineFlowCode(`${a} = ${i}`,this),s.snippet=i,s.propertyName=a,e.format(s.propertyName,r,t)}}return super.build(e,t)}}class yi extends fi{static get type(){return"JoinNode"}constructor(e=[],t=null){super(t),this.nodes=e}generateNodeType(e){return null!==this.nodeType?e.getVectorType(this.nodeType):e.getTypeFromLength(this.nodes.reduce((t,r)=>t+e.getTypeLength(r.getNodeType(e)),0))}generate(e,t){const r=this.getNodeType(e),s=e.getTypeLength(r),i=this.nodes,n=e.getComponentType(r),a=[];let u=0;for(const t of i){if(u>=s){o(`TSL: Length of parameters exceeds maximum length of function '${r}()' type.`,this.stackTrace);break}let i,l=t.getNodeType(e),d=e.getTypeLength(l);u+d>s&&(o(`TSL: Length of '${r}()' data exceeds maximum length of output type.`,this.stackTrace),d=s-u,l=e.getTypeFromLength(d)),u+=d,i=t.build(e,l);if(e.getComponentType(l)!==n){const t=e.getTypeFromLength(d,n);i=e.format(i,l,t)}a.push(i)}const l=`${e.getType(r)}( ${a.join(", ")} )`;return e.format(l,r,t)}}const bi=di.join("");class xi extends pi{static get type(){return"SplitNode"}constructor(e,t="x"){super(),this.node=e,this.components=t,this.isSplitNode=!0}getVectorLength(){let e=this.components.length;for(const t of this.components)e=Math.max(di.indexOf(t)+1,e);return e}getComponentType(e){return e.getComponentType(this.node.getNodeType(e))}generateNodeType(e){return e.getTypeFromLength(this.components.length,this.getComponentType(e))}getScope(){return this.node.getScope()}generate(e,t){const r=this.node,s=e.getTypeLength(r.getNodeType(e));let i=null;if(s>1){let n=null;this.getVectorLength()>=s&&(n=e.getTypeFromLength(this.getVectorLength(),this.getComponentType(e)));const a=r.build(e,n);i=this.components.length===s&&this.components===bi.slice(0,this.components.length)?e.format(a,n,t):e.format(`${a}.${this.components}`,this.getNodeType(e),t)}else i=r.build(e,t);return i}serialize(e){super.serialize(e),e.components=this.components}deserialize(e){super.deserialize(e),this.components=e.components}}class Ti extends fi{static get type(){return"SetNode"}constructor(e,t,r){super(),this.sourceNode=e,this.components=t,this.targetNode=r}generateNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{sourceNode:t,components:r,targetNode:s}=this,i=this.getNodeType(e),n=e.getComponentType(s.getNodeType(e)),a=e.getTypeFromLength(r.length,n),o=s.build(e,a),u=t.build(e,i),l=e.getTypeLength(i),d=[];for(let e=0;e<l;e++){const t=di[e];t===r[0]?(d.push(o),e+=r.length-1):d.push(u+"."+t)}return`${e.getType(i)}( ${d.join(", ")} )`}}class _i extends fi{static get type(){return"FlipNode"}constructor(e,t){super(),this.sourceNode=e,this.components=t}generateNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{components:t,sourceNode:r}=this,s=this.getNodeType(e),i=r.build(e),n=e.getVarFromNode(this),a=e.getPropertyName(n);e.addLineFlowCode(a+" = "+i,this);const o=e.getTypeLength(s),u=[];let l=0;for(let e=0;e<o;e++){const r=di[e];r===t[l]?(u.push("1.0 - "+a+"."+r),l++):u.push(a+"."+r)}return`${e.getType(s)}( ${u.join(", ")} )`}}class vi extends pi{static get type(){return"InputNode"}constructor(e,t=null){super(t),this.isInputNode=!0,this.value=e,this.precision=null}generateNodeType(){return null===this.nodeType?Ks(this.value):this.nodeType}getInputType(e){return this.getNodeType(e)}setPrecision(e){return this.precision=e,this}serialize(e){super.serialize(e),e.value=this.value,this.value&&this.value.toArray&&(e.value=this.value.toArray()),e.valueType=Ks(this.value),e.nodeType=this.nodeType,"ArrayBuffer"===e.valueType&&(e.value=ei(e.value)),e.precision=this.precision}deserialize(e){super.deserialize(e),this.nodeType=e.nodeType,this.value=Array.isArray(e.value)?Zs(e.valueType,...e.value):e.value,this.precision=e.precision||null,this.value&&this.value.fromArray&&(this.value=this.value.fromArray(e.value))}generate(){d("Abstract function.")}}const Ni=/float|u?int/;class Si extends vi{static get type(){return"ConstNode"}constructor(e,t=null){super(e,t),this.isConstNode=!0}generateConst(e){return e.generateConst(this.getNodeType(e),this.value)}generate(e,t){const r=this.getNodeType(e);return Ni.test(r)&&Ni.test(t)?e.generateConst(t,this.value):e.format(this.generateConst(e),r,t)}}class Ri extends pi{static get type(){return"MemberNode"}constructor(e,t){super(),this.structNode=e,this.property=t,this.isMemberNode=!0}hasMember(e){return(!this.structNode.isMemberNode||!1!==this.structNode.hasMember(e))&&"void"!==this.structNode.getMemberType(e,this.property)}generateNodeType(e){return!1===this.hasMember(e)?"float":this.structNode.getMemberType(e,this.property)}getMemberType(e,t){if(!1===this.hasMember(e))return"float";const r=this.getNodeType(e);return e.getStructTypeNode(r).getMemberType(e,t)}generate(e){if(!1===this.hasMember(e)){d(`TSL: Member "${this.property}" does not exist in struct.`,this.stackTrace);const t=this.getNodeType(e);return e.generateConst(t)}return this.structNode.build(e)+"."+this.property}}let Ei=null;const wi=new Map;function Ai(e,t){if(wi.has(e))d(`TSL: Redefinition of method chaining '${e}'.`);else{if("function"!=typeof t)throw new Error(`THREE.TSL: Node element ${e} is not a function`);wi.set(e,t),"assign"!==e&&(pi.prototype[e]=function(...e){return this.isStackNode?this.addToStack(t(...e)):t(this,...e)},pi.prototype[e+"Assign"]=function(...e){return this.isStackNode?this.assign(e[0],t(...e)):this.assign(t(this,...e))})}}const Ci=e=>(e=>e.replace(/r|s/g,"x").replace(/g|t/g,"y").replace(/b|p/g,"z").replace(/a|q/g,"w"))(e).split("").sort().join("");pi.prototype.assign=function(...e){if(!0!==this.isStackNode)return null!==Ei?Ei.assign(this,...e):o("TSL: No stack defined for assign operation. Make sure the assign is inside a Fn().",new Vs),this;{const t=wi.get("assign");return this.addToStack(t(...e))}},pi.prototype.toVarIntent=function(){return this},pi.prototype.get=function(e){return new Ri(this,e)};const Mi={};function Bi(e,t,r){Mi[e]=Mi[t]=Mi[r]={get(){this._cache=this._cache||{};let t=this._cache[e];return void 0===t&&(t=new xi(this,e),this._cache[e]=t),t},set(t){this[e].assign(sn(t))}};const s=e.toUpperCase(),i=t.toUpperCase(),n=r.toUpperCase();pi.prototype["set"+s]=pi.prototype["set"+i]=pi.prototype["set"+n]=function(t){const r=Ci(e);return new Ti(this,r,sn(t))},pi.prototype["flip"+s]=pi.prototype["flip"+i]=pi.prototype["flip"+n]=function(){const t=Ci(e);return new _i(this,t)}}const Li=["x","y","z","w"],Fi=["r","g","b","a"],Pi=["s","t","p","q"];for(let e=0;e<4;e++){let t=Li[e],r=Fi[e],s=Pi[e];Bi(t,r,s);for(let i=0;i<4;i++){t=Li[e]+Li[i],r=Fi[e]+Fi[i],s=Pi[e]+Pi[i],Bi(t,r,s);for(let n=0;n<4;n++){t=Li[e]+Li[i]+Li[n],r=Fi[e]+Fi[i]+Fi[n],s=Pi[e]+Pi[i]+Pi[n],Bi(t,r,s);for(let a=0;a<4;a++)t=Li[e]+Li[i]+Li[n]+Li[a],r=Fi[e]+Fi[i]+Fi[n]+Fi[a],s=Pi[e]+Pi[i]+Pi[n]+Pi[a],Bi(t,r,s)}}}for(let e=0;e<32;e++)Mi[e]={get(){this._cache=this._cache||{};let t=this._cache[e];return void 0===t&&(t=new gi(this,new Si(e,"uint")),this._cache[e]=t),t},set(t){this[e].assign(sn(t))}};Object.defineProperties(pi.prototype,Mi);const Ui=function(e,t=null){for(const r in e)e[r]=sn(e[r],t);return e},Di=function(e,t=null){const r=e.length;for(let s=0;s<r;s++)e[s]=sn(e[s],t);return e},Ii=function(e,t=null,r=null,s=null){function i(e){return null!==s?(e=sn(Object.assign(e,s)),!0===s.intent&&(e=e.toVarIntent())):e=sn(e),e}let n,a,u,l=t;function d(t){let r;return r=l?/[a-z]/i.test(l)?l+"()":l:e.type,void 0!==a&&t.length<a?(o(`TSL: "${r}" parameter length is less than minimum required.`,new Vs),t.concat(new Array(a-t.length).fill(0))):void 0!==u&&t.length>u?(o(`TSL: "${r}" parameter length exceeds limit.`,new Vs),t.slice(0,u)):t}return null===t?n=(...t)=>i(new e(...on(d(t)))):null!==r?(r=sn(r),n=(...s)=>i(new e(t,...on(d(s)),r))):n=(...r)=>i(new e(t,...on(d(r)))),n.setParameterLength=(...e)=>(1===e.length?a=u=e[0]:2===e.length&&([a,u]=e),n),n.setName=e=>(l=e,n),n},Oi=function(e,...t){return new e(...on(t))};class Vi extends pi{constructor(e,t){super(),this.shaderNode=e,this.rawInputs=t,this.isShaderCallNodeInternal=!0}generateNodeType(e){return this.shaderNode.nodeType||this.getOutputNode(e).getNodeType(e)}getElementType(e){return this.getOutputNode(e).getElementType(e)}getMemberType(e,t){return this.getOutputNode(e).getMemberType(e,t)}call(e){const{shaderNode:t,rawInputs:r}=this,s=e.getNodeProperties(t),i=e.getClosestSubBuild(t.subBuilds)||"",n=i||"default";if(s[n])return s[n];const a=e.subBuildFn,o=e.fnCall;e.subBuildFn=i,e.fnCall=this;let u=null;if(t.layout){if(r){const s=t.layout.inputs;if(ki(r)){const t=r;for(let r=0;r<s.length;r++){const s=t[r];s&&s.isNode&&s.build(e)}}else{const t=r[0];for(const r of s){const s=t[r.name];s&&s.isNode&&s.build(e)}}}const s=e.buildFunctionNode(t);e.addInclude(s);const i=r?function(e){let t;an(e),t=ki(e)?[...e]:e[0];return t}(r):null;u=s.call(i)}else{const s=new Proxy(e,{get:(e,t,r)=>{let s;return s=Symbol.iterator===t?function*(){yield}:Reflect.get(e,t,r),s}}),i=r?function(e){let t=0;return an(e),new Proxy(e,{get:(r,s,i)=>{let n;if("length"===s)return n=e.length,n;if(Symbol.iterator===s)n=function*(){for(const t of e)yield sn(t)};else{if(e.length>0)if(Object.getPrototypeOf(e[0])===Object.prototype){const r=e[0];n=void 0===r[s]?r[t++]:Reflect.get(r,s,i)}else e[0]instanceof pi&&(n=void 0===e[s]?e[t++]:Reflect.get(e,s,i));else n=Reflect.get(r,s,i);n=sn(n)}return n}})}(r):null,n=Array.isArray(r)?r.length>0:null!==r,a=t.jsFunc,o=n||a.length>1?a(i,s):a(s);u=sn(o)}return e.subBuildFn=a,e.fnCall=o,t.once&&(s[n]=u),u}setupOutput(e){return e.addStack(),e.stack.outputNode=this.call(e),e.removeStack()}getOutputNode(e){const t=e.getNodeProperties(this),r=e.getSubBuildOutput(this);return t[r]=t[r]||this.setupOutput(e),t[r].subBuild=e.getClosestSubBuild(this),t[r]}build(e,t=null){let r=null;const s=e.getBuildStage(),i=e.getNodeProperties(this),n=e.getSubBuildOutput(this),a=this.getOutputNode(e),o=e.fnCall;if(e.fnCall=this,"setup"===s){const t=e.getSubBuildProperty("initialized",this);if(!0!==i[t]&&(i[t]=!0,i[n]=this.getOutputNode(e),i[n].build(e),this.shaderNode.subBuilds))for(const t of e.chaining){const r=e.getDataFromNode(t,"any");r.subBuilds=r.subBuilds||new Set;for(const e of this.shaderNode.subBuilds)r.subBuilds.add(e)}r=i[n]}else"analyze"===s?a.build(e,t):"generate"===s&&(r=a.build(e,t)||"");return e.fnCall=o,r}}function ki(e){return e[0]&&(e[0].isNode||Object.getPrototypeOf(e[0])!==Object.prototype)}class Gi extends pi{constructor(e,t){super(t),this.jsFunc=e,this.layout=null,this.global=!0,this.once=!1}setLayout(e){return this.layout=e,this}getLayout(){return this.layout}call(e=null){return new Vi(this,e)}setup(){return this.call()}}const $i=[!1,!0],zi=[0,1,2,3],Wi=[-1,-2],Hi=[.5,1.5,1/3,1e-6,1e6,Math.PI,2*Math.PI,1/Math.PI,2/Math.PI,1/(2*Math.PI),Math.PI/2],ji=new Map;for(const e of $i)ji.set(e,new Si(e));const qi=new Map;for(const e of zi)qi.set(e,new Si(e,"uint"));const Xi=new Map([...qi].map(e=>new Si(e.value,"int")));for(const e of Wi)Xi.set(e,new Si(e,"int"));const Yi=new Map([...Xi].map(e=>new Si(e.value)));for(const e of Hi)Yi.set(e,new Si(e));for(const e of Hi)Yi.set(-e,new Si(-e));const Qi={bool:ji,uint:qi,ints:Xi,float:Yi},Ki=new Map([...ji,...Yi]),Zi=(e,t)=>Ki.has(e)?Ki.get(e):!0===e.isNode?e:new Si(e,t),Ji=function(e,t=null){return(...r)=>{for(const t of r)if(void 0===t)return o(`TSL: Invalid parameter for the type "${e}".`,new Vs),new Si(0,e);if((0===r.length||!["bool","float","int","uint"].includes(e)&&r.every(e=>{const t=typeof e;return"object"!==t&&"function"!==t}))&&(r=[Zs(e,...r)]),1===r.length&&null!==t&&t.has(r[0]))return nn(t.get(r[0]));if(1===r.length){const t=Zi(r[0],e);return t.nodeType===e?nn(t):nn(new mi(t,e))}const s=r.map(e=>Zi(e));return nn(new yi(s,e))}};function en(e){return e&&e.isNode&&e.traverse(t=>{t.isConstNode&&(e=t.value)}),Boolean(e)}const tn=e=>null!=e?e.nodeType||e.convertTo||("string"==typeof e?e:null):null;function rn(e,t){return new Gi(e,t)}const sn=(e,t=null)=>function(e,t=null){const r=Ks(e);return"node"===r?e:null===t&&("float"===r||"boolean"===r)||r&&"shader"!==r&&"string"!==r?sn(Zi(e,t)):"shader"===r?e.isFn?e:gn(e):e}(e,t),nn=(e,t=null)=>sn(e,t).toVarIntent(),an=(e,t=null)=>new Ui(e,t),on=(e,t=null)=>new Di(e,t),un=(e,t=null,r=null,s=null)=>new Ii(e,t,r,s),ln=(e,...t)=>new Oi(e,...t),dn=(e,t=null,r=null,s={})=>new Ii(e,t,r,{...s,intent:!0}),cn=(e,t)=>new Proxy(e,{get:(e,r,s)=>Reflect.get(t,r,s),set:(e,r,s)=>Reflect.set(t,r,s)});let hn=0;class pn extends pi{constructor(e,t=null){super();let r=null;null!==t&&("object"==typeof t?r=t.return:("string"==typeof t?r=t:o("TSL: Invalid layout type.",new Vs),t=null)),this.shaderNode=new rn(e,r),null!==t&&this.setLayout(t),this.isFn=!0}setLayout(e){const t=this.shaderNode.nodeType;if("object"!=typeof e.inputs){const r={name:"fn"+hn++,type:t,inputs:[]};for(const t in e)"return"!==t&&r.inputs.push({name:t,type:e[t]});e=r}return this.shaderNode.setLayout(e),this}generateNodeType(e){return this.shaderNode.getNodeType(e)||"float"}call(...e){const t=this.shaderNode.call(e);return"void"===this.shaderNode.nodeType&&t.toStack(),t.toVarIntent()}once(e=null){return this.shaderNode.once=!0,this.shaderNode.subBuilds=e,this}generate(e){const t=this.getNodeType(e);return o('TSL: "Fn()" was declared but not invoked. Try calling it like "Fn()( ...params )".',this.stackTrace),e.generateConst(t)}}function gn(e,t=null){const r=new pn(e,t);return new Proxy(()=>{},{apply:(e,t,s)=>r.call(...s),get:(e,t,s)=>Reflect.get(r,t,s),set:(e,t,s,i)=>Reflect.set(r,t,s,i)})}const mn=e=>{Ei=e},fn=()=>Ei,yn=(...e)=>Ei.If(...e);function bn(e){return Ei&&Ei.addToStack(e),e}Ai("toStack",bn);const xn=new Ji("color"),Tn=new Ji("float",Qi.float),_n=new Ji("int",Qi.ints),vn=new Ji("uint",Qi.uint),Nn=new Ji("bool",Qi.bool),Sn=new Ji("vec2"),Rn=new Ji("ivec2"),En=new Ji("uvec2"),wn=new Ji("bvec2"),An=new Ji("vec3"),Cn=new Ji("ivec3"),Mn=new Ji("uvec3"),Bn=new Ji("bvec3"),Ln=new Ji("vec4"),Fn=new Ji("ivec4"),Pn=new Ji("uvec4"),Un=new Ji("bvec4"),Dn=new Ji("mat2"),In=new Ji("mat3"),On=new Ji("mat4");Ai("toColor",xn),Ai("toFloat",Tn),Ai("toInt",_n),Ai("toUint",vn),Ai("toBool",Nn),Ai("toVec2",Sn),Ai("toIVec2",Rn),Ai("toUVec2",En),Ai("toBVec2",wn),Ai("toVec3",An),Ai("toIVec3",Cn),Ai("toUVec3",Mn),Ai("toBVec3",Bn),Ai("toVec4",Ln),Ai("toIVec4",Fn),Ai("toUVec4",Pn),Ai("toBVec4",Un),Ai("toMat2",Dn),Ai("toMat3",In),Ai("toMat4",On);const Vn=un(gi).setParameterLength(2),kn=(e,t)=>new mi(sn(e),t);Ai("element",Vn),Ai("convert",kn);Ai("append",e=>(d("TSL: .append() has been renamed to .toStack().",new Vs),bn(e)));class Gn extends pi{static get type(){return"PropertyNode"}constructor(e,t=null,r=!1,s=null){super(e),this.name=t,this.varying=r,this.placeholderNode=sn(s),this.isPropertyNode=!0,this.global=!0}getNodeType(e){const t=super.getNodeType(e);return"output"===t?e.getOutputType():t}customCacheKey(){return Gs(this.type+":"+(this.name||"")+":"+(this.varying?"1":"0"))}getHash(e){return this.name||super.getHash(e)}generate(e){let t;if(!0===this.varying)t=e.getVaryingFromNode(this,this.name),t.needsInterpolation=!0;else if(t=e.getVarFromNode(this,this.name),null!==this.placeholderNode&&!1===e.hasWriteUsage(this)){const r=this.placeholderNode.build(e,this.getNodeType(e));e.addLineFlowCode(`${e.getPropertyName(t)} = ${r}`,this)}return e.getPropertyName(t)}}const $n=(e,t,r=null)=>new Gn(e,t,!1,r),zn=(e,t,r=null)=>new Gn(e,t,!0,r),Wn=ln(Gn,"vec4","DiffuseColor"),Hn=ln(Gn,"vec3","DiffuseContribution"),jn=ln(Gn,"vec3","EmissiveColor"),qn=ln(Gn,"float","Roughness"),Xn=ln(Gn,"float","Metalness"),Yn=ln(Gn,"float","Clearcoat"),Qn=ln(Gn,"float","ClearcoatRoughness"),Kn=ln(Gn,"vec3","Sheen"),Zn=ln(Gn,"float","SheenRoughness"),Jn=ln(Gn,"float","Iridescence"),ea=ln(Gn,"float","IridescenceIOR"),ta=ln(Gn,"float","IridescenceThickness"),ra=ln(Gn,"float","AlphaT"),sa=ln(Gn,"float","Anisotropy"),ia=ln(Gn,"vec3","AnisotropyT"),na=ln(Gn,"vec3","AnisotropyB"),aa=ln(Gn,"color","SpecularColor"),oa=ln(Gn,"color","SpecularColorBlended"),ua=ln(Gn,"float","SpecularF90"),la=ln(Gn,"float","Shininess"),da=ln(Gn,"output","Output"),ca=ln(Gn,"float","dashSize"),ha=ln(Gn,"float","gapSize"),pa=ln(Gn,"float","pointWidth"),ga=ln(Gn,"float","IOR"),ma=ln(Gn,"float","Transmission"),fa=ln(Gn,"float","Thickness"),ya=ln(Gn,"float","AttenuationDistance"),ba=ln(Gn,"color","AttenuationColor"),xa=ln(Gn,"float","Dispersion"),Ta=ln(Gn,"float","AmbientOcclusion",!1,1);class _a extends pi{static get type(){return"UniformGroupNode"}constructor(e,t=!1,r=1,s=null){super("string"),this.name=e,this.shared=t,this.order=r,this.updateType=s,this.isUniformGroup=!0}update(){this.needsUpdate=!0}serialize(e){super.serialize(e),e.name=this.name,e.version=this.version,e.shared=this.shared}deserialize(e){super.deserialize(e),this.name=e.name,this.version=e.version,this.shared=e.shared}}const va=(e,t=1,r=null)=>new _a(e,!1,t,r),Na=(e,t=0,r=null)=>new _a(e,!0,t,r),Sa=Na("frame",0,ii.FRAME),Ra=Na("render",0,ii.RENDER),Ea=va("object",1,ii.OBJECT);class wa extends vi{static get type(){return"UniformNode"}constructor(e,t=null){super(e,t),this.isUniformNode=!0,this.name="",this.groupNode=Ea}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.',new Vs),this.setName(e)}setGroup(e){return this.groupNode=e,this}getGroup(){return this.groupNode}getUniformHash(e){return this.getHash(e)}onUpdate(e,t){return e=e.bind(this),super.onUpdate(t=>{const r=e(t,this);void 0!==r&&(this.value=r)},t)}getInputType(e){let t=super.getInputType(e);return"bool"===t&&(t="uint"),t}generate(e,t){const r=this.getNodeType(e),s=this.getUniformHash(e);let i=e.getNodeFromHash(s);void 0===i&&(e.setHashNode(this,s),i=this);const n=i.getInputType(e),a=e.getUniformFromNode(i,n,e.shaderStage,this.name||e.context.nodeName),o=e.getPropertyName(a);void 0!==e.context.nodeName&&delete e.context.nodeName;let u=o;if("bool"===r){const t=e.getDataFromNode(this);let s=t.propertyName;if(void 0===s){const i=e.getVarFromNode(this,null,"bool");s=e.getPropertyName(i),t.propertyName=s,u=e.format(o,n,r),e.addLineFlowCode(`${s} = ${u}`,this)}u=s}return e.format(u,r,t)}}const Aa=(e,t)=>{const r=tn(t||e);if(r===e&&(e=Zs(r)),e&&!0===e.isNode){let t=e.value;e.traverse(e=>{!0===e.isConstNode&&(t=e.value)}),e=t}return new wa(e,r)};class Ca extends fi{static get type(){return"ArrayNode"}constructor(e,t,r=null){super(e),this.count=t,this.values=r,this.isArrayNode=!0}getArrayCount(){return this.count}generateNodeType(e){return null===this.nodeType?this.values[0].getNodeType(e):this.nodeType}getElementType(e){return this.getNodeType(e)}getMemberType(e,t){return null===this.nodeType?this.values[0].getMemberType(e,t):super.getMemberType(e,t)}generate(e){const t=this.getNodeType(e);return e.generateArray(t,this.count,this.values)}}const Ma=(...e)=>{let t;if(1===e.length){const r=e[0];t=new Ca(null,r.length,r)}else{const r=e[0],s=e[1];t=new Ca(r,s)}return sn(t)};Ai("toArray",(e,t)=>Ma(Array(t).fill(e)));class Ba extends fi{static get type(){return"AssignNode"}constructor(e,t){super(),this.targetNode=e,this.sourceNode=t,this.isAssignNode=!0}hasDependencies(){return!1}generateNodeType(e,t){return"void"!==t?this.targetNode.getNodeType(e):"void"}needsSplitAssign(e){const{targetNode:t}=this;if(!1===e.isAvailable("swizzleAssign")&&t.isSplitNode&&t.components.length>1){const r=e.getTypeLength(t.node.getNodeType(e));return di.join("").slice(0,r)!==t.components}return!1}setup(e){const{targetNode:t,sourceNode:r}=this,s=t.getScope();e.getDataFromNode(s).assign=!0;const i=e.getNodeProperties(this);i.sourceNode=r,i.targetNode=t.context({assign:!0})}generate(e,t){const{targetNode:r,sourceNode:s}=e.getNodeProperties(this),i=this.needsSplitAssign(e),n=r.build(e),a=r.getNodeType(e),o=s.build(e,a),u=s.getNodeType(e),l=e.getDataFromNode(this);let d;if(!0===l.initialized)"void"!==t&&(d=n);else if(i){const s=e.getVarFromNode(this,null,a),i=e.getPropertyName(s);e.addLineFlowCode(`${i} = ${o}`,this);const u=r.node,l=u.node.context({assign:!0}).build(e);for(let t=0;t<u.components.length;t++){const r=u.components[t];e.addLineFlowCode(`${l}.${r} = ${i}[ ${t} ]`,this)}"void"!==t&&(d=n)}else d=`${n} = ${o}`,"void"!==t&&"void"!==u||(e.addLineFlowCode(d,this),"void"!==t&&(d=n));return l.initialized=!0,e.format(d,a,t)}}const La=un(Ba).setParameterLength(2);Ai("assign",La);class Fa extends fi{static get type(){return"FunctionCallNode"}constructor(e=null,t={}){super(),this.functionNode=e,this.parameters=t}setParameters(e){return this.parameters=e,this}getParameters(){return this.parameters}generateNodeType(e){return this.functionNode.getNodeType(e)}getMemberType(e,t){return this.functionNode.getMemberType(e,t)}generate(e){const t=[],r=this.functionNode,s=r.getInputs(e),i=this.parameters,n=(t,r)=>{const s=r.type;let i;return i="pointer"===s?"&"+t.build(e):t.build(e,s),i};if(Array.isArray(i)){if(i.length>s.length)o("TSL: The number of provided parameters exceeds the expected number of inputs in 'Fn()'."),i.length=s.length;else if(i.length<s.length)for(o("TSL: The number of provided parameters is less than the expected number of inputs in 'Fn()'.");i.length<s.length;)i.push(Tn(0));for(let e=0;e<i.length;e++)t.push(n(i[e],s[e]))}else for(const e of s){const r=i[e.name];void 0!==r?t.push(n(r,e)):(o(`TSL: Input '${e.name}' not found in 'Fn()'.`),t.push(n(Tn(0),e)))}return`${r.build(e,"property")}( ${t.join(", ")} )`}}const Pa=(e,...t)=>(t=t.length>1||t[0]&&!0===t[0].isNode?on(t):an(t[0]),new Fa(sn(e),t));Ai("call",Pa);const Ua={"==":"equal","!=":"notEqual","<":"lessThan",">":"greaterThan","<=":"lessThanEqual",">=":"greaterThanEqual","%":"mod"};class Da extends fi{static get type(){return"OperatorNode"}constructor(e,t,r,...s){if(super(),s.length>0){let i=new Da(e,t,r);for(let t=0;t<s.length-1;t++)i=new Da(e,i,s[t]);t=i,r=s[s.length-1]}this.op=e,this.aNode=t,this.bNode=r,this.isOperatorNode=!0}getOperatorMethod(e,t){return e.getMethod(Ua[this.op],t)}generateNodeType(e,t=null){const r=this.op,s=this.aNode,i=this.bNode,n=s.getNodeType(e),a=i?i.getNodeType(e):null;if("void"===n||"void"===a)return t||"void";if("%"===r)return n;if("~"===r||"&"===r||"|"===r||"^"===r||">>"===r||"<<"===r)return e.getIntegerType(n);if("&&"===r||"||"===r||"^^"===r)return"bool";if("!"===r){const t=e.getTypeLength(n);return t>1?`bvec${t}`:"bool"}if("=="===r||"!="===r||"<"===r||">"===r||"<="===r||">="===r){const t=Math.max(e.getTypeLength(n),e.getTypeLength(a));return t>1?`bvec${t}`:"bool"}if(e.isMatrix(n)){if("float"===a)return n;if(e.isVector(a))return e.getVectorFromMatrix(n);if(e.isMatrix(a))return n}else if(e.isMatrix(a)){if("float"===n)return a;if(e.isVector(n))return e.getVectorFromMatrix(a)}return e.getTypeLength(a)>e.getTypeLength(n)?a:n}generate(e,t){const r=this.op,{aNode:s,bNode:i}=this,n=this.getNodeType(e,t);let a=null,o=null;"void"!==n?(a=s.getNodeType(e),o=i?i.getNodeType(e):null,"<"===r||">"===r||"<="===r||">="===r||"=="===r||"!="===r?e.isVector(a)?o=a:e.isVector(o)?a=o:a!==o&&(a=o="float"):">>"===r||"<<"===r?(a=n,o=e.changeComponentType(o,"uint")):"%"===r?(a=n,o=e.isInteger(a)&&e.isInteger(o)?o:a):e.isMatrix(a)?"float"===o?o="float":e.isVector(o)?o=e.getVectorFromMatrix(a):e.isMatrix(o)||(a=o=n):a=e.isMatrix(o)?"float"===a?"float":e.isVector(a)?e.getVectorFromMatrix(o):o=n:o=n):a=o=n;const u=s.build(e,a),l=i?i.build(e,o):null,d=e.getFunctionOperator(r);if("void"!==t){const s=e.renderer.coordinateSystem===c;if("=="===r||"!="===r||"<"===r||">"===r||"<="===r||">="===r)return s&&e.isVector(a)?e.format(`${this.getOperatorMethod(e,t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} ${r} ${l} )`,n,t);if("%"===r)return e.isInteger(o)?e.format(`( ${u} % ${l} )`,n,t):e.format(`${this.getOperatorMethod(e,n)}( ${u}, ${l} )`,n,t);if("!"===r)return s&&e.isVector(a)?e.format(`not( ${u} )`,t):e.format(`( ${r} ${u} )`,a,t);if("~"===r)return e.format(`( ${r} ${u} )`,a,t);if(d)return e.format(`${d}( ${u}, ${l} )`,n,t);if(e.isMatrix(a)&&"float"===o)return e.format(`( ${l} ${r} ${u} )`,n,t);if("float"===a&&e.isMatrix(o))return e.format(`${u} ${r} ${l}`,n,t);{let i=`( ${u} ${r} ${l} )`;return!s&&"bool"===n&&e.isVector(a)&&e.isVector(o)&&(i=`all${i}`),e.format(i,n,t)}}if("void"!==a)return d?e.format(`${d}( ${u}, ${l} )`,n,t):e.isMatrix(a)&&"float"===o?e.format(`${l} ${r} ${u}`,n,t):e.format(`${u} ${r} ${l}`,n,t)}serialize(e){super.serialize(e),e.op=this.op}deserialize(e){super.deserialize(e),this.op=e.op}}const Ia=dn(Da,"+").setParameterLength(2,1/0).setName("add"),Oa=dn(Da,"-").setParameterLength(2,1/0).setName("sub"),Va=dn(Da,"*").setParameterLength(2,1/0).setName("mul"),ka=dn(Da,"/").setParameterLength(2,1/0).setName("div"),Ga=dn(Da,"%").setParameterLength(2).setName("mod"),$a=dn(Da,"==").setParameterLength(2).setName("equal"),za=dn(Da,"!=").setParameterLength(2).setName("notEqual"),Wa=dn(Da,"<").setParameterLength(2).setName("lessThan"),Ha=dn(Da,">").setParameterLength(2).setName("greaterThan"),ja=dn(Da,"<=").setParameterLength(2).setName("lessThanEqual"),qa=dn(Da,">=").setParameterLength(2).setName("greaterThanEqual"),Xa=dn(Da,"&&").setParameterLength(2,1/0).setName("and"),Ya=dn(Da,"||").setParameterLength(2,1/0).setName("or"),Qa=dn(Da,"!").setParameterLength(1).setName("not"),Ka=dn(Da,"^^").setParameterLength(2).setName("xor"),Za=dn(Da,"&").setParameterLength(2).setName("bitAnd"),Ja=dn(Da,"~").setParameterLength(1).setName("bitNot"),eo=dn(Da,"|").setParameterLength(2).setName("bitOr"),to=dn(Da,"^").setParameterLength(2).setName("bitXor"),ro=dn(Da,"<<").setParameterLength(2).setName("shiftLeft"),so=dn(Da,">>").setParameterLength(2).setName("shiftRight"),io=gn(([e])=>(e.addAssign(1),e)),no=gn(([e])=>(e.subAssign(1),e)),ao=gn(([e])=>{const t=_n(e).toConst();return e.addAssign(1),t}),oo=gn(([e])=>{const t=_n(e).toConst();return e.subAssign(1),t});Ai("add",Ia),Ai("sub",Oa),Ai("mul",Va),Ai("div",ka),Ai("mod",Ga),Ai("equal",$a),Ai("notEqual",za),Ai("lessThan",Wa),Ai("greaterThan",Ha),Ai("lessThanEqual",ja),Ai("greaterThanEqual",qa),Ai("and",Xa),Ai("or",Ya),Ai("not",Qa),Ai("xor",Ka),Ai("bitAnd",Za),Ai("bitNot",Ja),Ai("bitOr",eo),Ai("bitXor",to),Ai("shiftLeft",ro),Ai("shiftRight",so),Ai("incrementBefore",io),Ai("decrementBefore",no),Ai("increment",ao),Ai("decrement",oo);class uo extends fi{static get type(){return"MathNode"}constructor(e,t,r=null,s=null){if(super(),(e===uo.MAX||e===uo.MIN)&&arguments.length>3){let i=new uo(e,t,r);for(let t=3;t<arguments.length-1;t++)i=new uo(e,i,arguments[t]);t=i,r=arguments[arguments.length-1],s=null}this.method=e,this.aNode=t,this.bNode=r,this.cNode=s,this.isMathNode=!0}getInputType(e){const t=this.aNode.getNodeType(e),r=this.bNode?this.bNode.getNodeType(e):null,s=this.cNode?this.cNode.getNodeType(e):null,i=e.isMatrix(t)?0:e.getTypeLength(t),n=e.isMatrix(r)?0:e.getTypeLength(r),a=e.isMatrix(s)?0:e.getTypeLength(s);return i>n&&i>a?t:n>a?r:a>i?s:t}generateNodeType(e){const t=this.method;return t===uo.LENGTH||t===uo.DISTANCE||t===uo.DOT?"float":t===uo.CROSS?"vec3":t===uo.ALL||t===uo.ANY?"bool":t===uo.EQUALS?e.changeComponentType(this.aNode.getNodeType(e),"bool"):this.getInputType(e)}setup(e){const{aNode:t,bNode:r,method:s}=this;let i=null;if(s===uo.ONE_MINUS)i=Oa(1,t);else if(s===uo.RECIPROCAL)i=ka(1,t);else if(s===uo.DIFFERENCE)i=$o(Oa(t,r));else if(s===uo.TRANSFORM_DIRECTION){let s,n;e.isMatrix(t.getNodeType(e))?(s=t,n=r):(s=r,n=t),i=Ao(Va(s,Ln(An(n),0)).xyz)}return null!==i?i:super.setup(e)}generate(e,t){if(e.getNodeProperties(this).outputNode)return super.generate(e,t);let r=this.method;const s=this.getNodeType(e),i=this.getInputType(e),n=this.aNode,a=this.bNode,o=this.cNode,u=e.renderer.coordinateSystem;if(r===uo.NEGATE)return e.format("( - "+n.build(e,i)+" )",s,t);{const l=[];return r===uo.CROSS?l.push(n.build(e,s),a.build(e,s)):u===c&&r===uo.STEP?l.push(n.build(e,1===e.getTypeLength(n.getNodeType(e))?"float":i),a.build(e,i)):u!==c||r!==uo.MIN&&r!==uo.MAX?r===uo.REFRACT?l.push(n.build(e,i),a.build(e,i),o.build(e,"float")):r===uo.MIX?l.push(n.build(e,i),a.build(e,i),o.build(e,1===e.getTypeLength(o.getNodeType(e))?"float":i)):(u===h&&r===uo.ATAN&&null!==a&&(r="atan2"),"fragment"===e.shaderStage||r!==uo.DFDX&&r!==uo.DFDY||(d(`TSL: '${r}' is not supported in the ${e.shaderStage} stage.`,this.stackTrace),r="/*"+r+"*/"),l.push(n.build(e,i)),null!==a&&l.push(a.build(e,i)),null!==o&&l.push(o.build(e,i))):l.push(n.build(e,i),a.build(e,1===e.getTypeLength(a.getNodeType(e))?"float":i)),e.format(`${e.getMethod(r,s)}( ${l.join(", ")} )`,s,t)}}serialize(e){super.serialize(e),e.method=this.method}deserialize(e){super.deserialize(e),this.method=e.method}}uo.ALL="all",uo.ANY="any",uo.RADIANS="radians",uo.DEGREES="degrees",uo.EXP="exp",uo.EXP2="exp2",uo.LOG="log",uo.LOG2="log2",uo.SQRT="sqrt",uo.INVERSE_SQRT="inversesqrt",uo.FLOOR="floor",uo.CEIL="ceil",uo.NORMALIZE="normalize",uo.FRACT="fract",uo.SIN="sin",uo.SINH="sinh",uo.COS="cos",uo.COSH="cosh",uo.TAN="tan",uo.TANH="tanh",uo.ASIN="asin",uo.ASINH="asinh",uo.ACOS="acos",uo.ACOSH="acosh",uo.ATAN="atan",uo.ATANH="atanh",uo.ABS="abs",uo.SIGN="sign",uo.LENGTH="length",uo.NEGATE="negate",uo.ONE_MINUS="oneMinus",uo.DFDX="dFdx",uo.DFDY="dFdy",uo.ROUND="round",uo.RECIPROCAL="reciprocal",uo.TRUNC="trunc",uo.FWIDTH="fwidth",uo.TRANSPOSE="transpose",uo.DETERMINANT="determinant",uo.INVERSE="inverse",uo.EQUALS="equals",uo.MIN="min",uo.MAX="max",uo.STEP="step",uo.REFLECT="reflect",uo.DISTANCE="distance",uo.DIFFERENCE="difference",uo.DOT="dot",uo.CROSS="cross",uo.POW="pow",uo.TRANSFORM_DIRECTION="transformDirection",uo.MIX="mix",uo.CLAMP="clamp",uo.REFRACT="refract",uo.SMOOTHSTEP="smoothstep",uo.FACEFORWARD="faceforward";const lo=Tn(1e-6),co=Tn(1e6),ho=Tn(Math.PI),po=Tn(2*Math.PI),go=Tn(2*Math.PI),mo=Tn(.5*Math.PI),fo=dn(uo,uo.ALL).setParameterLength(1),yo=dn(uo,uo.ANY).setParameterLength(1),bo=dn(uo,uo.RADIANS).setParameterLength(1),xo=dn(uo,uo.DEGREES).setParameterLength(1),To=dn(uo,uo.EXP).setParameterLength(1),_o=dn(uo,uo.EXP2).setParameterLength(1),vo=dn(uo,uo.LOG).setParameterLength(1),No=dn(uo,uo.LOG2).setParameterLength(1),So=dn(uo,uo.SQRT).setParameterLength(1),Ro=dn(uo,uo.INVERSE_SQRT).setParameterLength(1),Eo=dn(uo,uo.FLOOR).setParameterLength(1),wo=dn(uo,uo.CEIL).setParameterLength(1),Ao=dn(uo,uo.NORMALIZE).setParameterLength(1),Co=dn(uo,uo.FRACT).setParameterLength(1),Mo=dn(uo,uo.SIN).setParameterLength(1),Bo=dn(uo,uo.SINH).setParameterLength(1),Lo=dn(uo,uo.COS).setParameterLength(1),Fo=dn(uo,uo.COSH).setParameterLength(1),Po=dn(uo,uo.TAN).setParameterLength(1),Uo=dn(uo,uo.TANH).setParameterLength(1),Do=dn(uo,uo.ASIN).setParameterLength(1),Io=dn(uo,uo.ASINH).setParameterLength(1),Oo=dn(uo,uo.ACOS).setParameterLength(1),Vo=dn(uo,uo.ACOSH).setParameterLength(1),ko=dn(uo,uo.ATAN).setParameterLength(1,2),Go=dn(uo,uo.ATANH).setParameterLength(1),$o=dn(uo,uo.ABS).setParameterLength(1),zo=dn(uo,uo.SIGN).setParameterLength(1),Wo=dn(uo,uo.LENGTH).setParameterLength(1),Ho=dn(uo,uo.NEGATE).setParameterLength(1),jo=dn(uo,uo.ONE_MINUS).setParameterLength(1),qo=dn(uo,uo.DFDX).setParameterLength(1),Xo=dn(uo,uo.DFDY).setParameterLength(1),Yo=dn(uo,uo.ROUND).setParameterLength(1),Qo=dn(uo,uo.RECIPROCAL).setParameterLength(1),Ko=dn(uo,uo.TRUNC).setParameterLength(1),Zo=dn(uo,uo.FWIDTH).setParameterLength(1),Jo=dn(uo,uo.TRANSPOSE).setParameterLength(1),eu=dn(uo,uo.DETERMINANT).setParameterLength(1),tu=dn(uo,uo.INVERSE).setParameterLength(1),ru=dn(uo,uo.MIN).setParameterLength(2,1/0),su=dn(uo,uo.MAX).setParameterLength(2,1/0),iu=dn(uo,uo.STEP).setParameterLength(2),nu=dn(uo,uo.REFLECT).setParameterLength(2),au=dn(uo,uo.DISTANCE).setParameterLength(2),ou=dn(uo,uo.DIFFERENCE).setParameterLength(2),uu=dn(uo,uo.DOT).setParameterLength(2),lu=dn(uo,uo.CROSS).setParameterLength(2),du=dn(uo,uo.POW).setParameterLength(2),cu=e=>Va(e,e),hu=e=>Va(e,e,e),pu=e=>Va(e,e,e,e),gu=dn(uo,uo.TRANSFORM_DIRECTION).setParameterLength(2),mu=(e,t)=>Ao(Va(t,Ln(An(e),0)).xyz),fu=(e,t)=>Ao(Ln(An(e),0).mul(t).xyz),yu=e=>Va(zo(e),du($o(e),1/3)),bu=e=>uu(e,e),xu=dn(uo,uo.MIX).setParameterLength(3),Tu=(e,t=0,r=1)=>new uo(uo.CLAMP,sn(e),sn(t),sn(r)),_u=e=>Tu(e),vu=dn(uo,uo.REFRACT).setParameterLength(3),Nu=dn(uo,uo.SMOOTHSTEP).setParameterLength(3),Su=dn(uo,uo.FACEFORWARD).setParameterLength(3),Ru=gn(([e])=>{const t=uu(e.xy,Sn(12.9898,78.233)),r=Ga(t,ho);return Co(Mo(r).mul(43758.5453))}),Eu=(e,t,r)=>xu(t,r,e),wu=(e,t,r)=>Nu(t,r,e),Au=(e,t)=>iu(t,e),Cu=Su,Mu=Ro;Ai("all",fo),Ai("any",yo),Ai("radians",bo),Ai("degrees",xo),Ai("exp",To),Ai("exp2",_o),Ai("log",vo),Ai("log2",No),Ai("sqrt",So),Ai("inverseSqrt",Ro),Ai("floor",Eo),Ai("ceil",wo),Ai("normalize",Ao),Ai("fract",Co),Ai("sin",Mo),Ai("sinh",Bo),Ai("cos",Lo),Ai("cosh",Fo),Ai("tan",Po),Ai("tanh",Uo),Ai("asin",Do),Ai("asinh",Io),Ai("acos",Oo),Ai("acosh",Vo),Ai("atan",ko),Ai("atanh",Go),Ai("abs",$o),Ai("sign",zo),Ai("length",Wo),Ai("lengthSq",bu),Ai("negate",Ho),Ai("oneMinus",jo),Ai("dFdx",qo),Ai("dFdy",Xo),Ai("round",Yo),Ai("reciprocal",Qo),Ai("trunc",Ko),Ai("fwidth",Zo),Ai("min",ru),Ai("max",su),Ai("step",Au),Ai("reflect",nu),Ai("distance",au),Ai("dot",uu),Ai("cross",lu),Ai("pow",du),Ai("pow2",cu),Ai("pow3",hu),Ai("pow4",pu),Ai("transformDirection",gu),Ai("transformNormalByViewMatrix",mu),Ai("transformNormalByInverseViewMatrix",fu),Ai("mix",Eu),Ai("clamp",Tu),Ai("refract",vu),Ai("smoothstep",wu),Ai("faceForward",Su),Ai("difference",ou),Ai("saturate",_u),Ai("cbrt",yu),Ai("transpose",Jo),Ai("determinant",eu),Ai("inverse",tu),Ai("rand",Ru);class Bu extends pi{static get type(){return"ConditionalNode"}constructor(e,t,r=null){super(),this.condNode=e,this.ifNode=t,this.elseNode=r}generateNodeType(e){const{ifNode:t,elseNode:r}=e.getNodeProperties(this);if(void 0===t)return e.flowBuildStage(this,"setup"),this.getNodeType(e);const s=t.getNodeType(e);if(null!==r){const t=r.getNodeType(e);if(e.getTypeLength(t)>e.getTypeLength(s))return t}return s}setup(e){const t=this.condNode,r=this.ifNode.isolate(),s=this.elseNode?this.elseNode.isolate():null,i=e.context.nodeBlock;e.getDataFromNode(r).parentNodeBlock=i,null!==s&&(e.getDataFromNode(s).parentNodeBlock=i);const n=e.context.uniformFlow,a=e.getNodeProperties(this);a.condNode=t,a.ifNode=n?r:r.context({nodeBlock:r}),a.elseNode=s?n?s:s.context({nodeBlock:s}):null}generate(e,t){const r=this.getNodeType(e),s=e.getDataFromNode(this);if(void 0!==s.nodeProperty)return s.nodeProperty;const{condNode:i,ifNode:n,elseNode:a}=e.getNodeProperties(this),o=e.currentFunctionNode,u="void"!==t,l=u?$n(r).build(e):"";s.nodeProperty=l;const c=i.build(e,"bool");if(e.context.uniformFlow&&null!==a){const s=n.build(e,r),i=a.build(e,r),o=e.getTernary(c,s,i);return e.format(o,r,t)}e.addFlowCode(`\n${e.tab}if ( ${c} ) {\n\n`).addFlowTab();let h=n.build(e,r);if(h&&(u?h=l+" = "+h+";":(h="return "+h+";",null===o&&(d("TSL: Return statement used in an inline 'Fn()'. Define a layout struct to allow return values.",this.stackTrace),h="// "+h))),e.removeFlowTab().addFlowCode(e.tab+"\t"+h+"\n\n"+e.tab+"}"),null!==a){e.addFlowCode(" else {\n\n").addFlowTab();let t=a.build(e,r);t&&(u?t=l+" = "+t+";":(t="return "+t+";",null===o&&(d("TSL: Return statement used in an inline 'Fn()'. Define a layout struct to allow return values.",this.stackTrace),t="// "+t))),e.removeFlowTab().addFlowCode(e.tab+"\t"+t+"\n\n"+e.tab+"}\n\n")}else e.addFlowCode("\n\n");return e.format(l,r,t)}}const Lu=un(Bu).setParameterLength(2,3);Ai("select",Lu);class Fu extends pi{static get type(){return"ContextNode"}constructor(e=null,t={}){super(),this.isContextNode=!0,this.node=e,this.value=t}getScope(){return this.node.getScope()}generateNodeType(e){return this.node.getNodeType(e)}getFlowContextData(){const e=[];return this.traverse(t=>{!0===t.isContextNode&&e.push(t.value)}),Object.assign({},...e)}getMemberType(e,t){return this.node.getMemberType(e,t)}analyze(e){const t=e.addContext(this.value);this.node.build(e),e.setContext(t)}setup(e){const t=e.addContext(this.value);this.node.build(e),e.setContext(t)}generate(e,t){const r=e.addContext(this.value),s=this.node.build(e,t);return e.setContext(r),s}}const Pu=(e=null,t={})=>{let r=e;return null!==r&&!0===r.isNode||(t=r||t,r=null),new Fu(r,t)},Uu=e=>Pu(e,{uniformFlow:!0}),Du=(e,t)=>Pu(e,{nodeName:t});function Iu(e,t,r=null){return Pu(r,{getShadow:({light:r,shadowColorNode:s})=>t===r?s.mul(e):s})}function Ou(e,t=null){return Pu(t,{getAO:(t,{material:r})=>!0===r.transparent?t:null!==t?t.mul(e):e})}function Vu(e,t){return d('TSL: "label()" has been deprecated. Use "setName()" instead.'),Du(e,t)}Ai("context",Pu),Ai("label",Vu),Ai("uniformFlow",Uu),Ai("setName",Du),Ai("builtinShadowContext",(e,t,r)=>Iu(t,r,e)),Ai("builtinAOContext",(e,t)=>Ou(t,e));class ku extends pi{static get type(){return"VarNode"}constructor(e,t=null,r=!1){super(),this.node=e,this.name=t,this.global=!0,this.isVarNode=!0,this.readOnly=r,this.parents=!0,this.intent=!1}setIntent(e){return this.intent=e,this}isIntent(e){return!0!==e.getDataFromNode(this).forceDeclaration&&this.intent}getIntent(){return this.intent}getMemberType(e,t){return this.node.getMemberType(e,t)}getElementType(e){return this.node.getElementType(e)}generateNodeType(e){return this.node.getNodeType(e)}getArrayCount(e){return this.node.getArrayCount(e)}isAssign(e){return e.getDataFromNode(this).assign}build(...e){const t=e[0];if(!1===this._hasStack(t)&&"setup"===t.buildStage&&(t.context.nodeLoop||t.context.nodeBlock)){let e=!1;if(this.node.isShaderCallNodeInternal&&null===this.node.shaderNode.getLayout()&&t.fnCall&&t.fnCall.shaderNode){if(t.getDataFromNode(this.node.shaderNode).hasLoop){t.getDataFromNode(this).forceDeclaration=!0,e=!0}}const r=t.getBaseStack();e?r.addToStackBefore(this):r.addToStack(this)}return this.isIntent(t)&&!0!==this.isAssign(t)?this.node.build(...e):super.build(...e)}generate(e){const{node:t,name:r,readOnly:s}=this,{renderer:i}=e,n=!0===i.backend.isWebGPUBackend;let a=!1,u=!1;s&&(a=e.isDeterministic(t),u=n?s:a);const l=this.getNodeType(e);if("void"==l){!0!==this.isIntent(e)&&o('TSL: ".toVar()" can not be used with void type.',this.stackTrace);return t.build(e)}const d=e.getVectorType(l),c=t.build(e,d),h=e.getVarFromNode(this,r,d,void 0,u),p=e.getPropertyName(h);let g=p;if(u)if(n)g=a?`const ${p}`:`let ${p}`;else{const r=t.getArrayCount(e);g=`const ${e.getVar(h.type,p,r)}`}return e.addLineFlowCode(`${g} = ${c}`,this),p}_hasStack(e){return void 0!==e.getDataFromNode(this).stack}}const Gu=un(ku),$u=(e,t=null)=>Gu(e,t).toStack(),zu=(e,t=null)=>Gu(e,t,!0).toStack(),Wu=e=>Gu(e).setIntent(!0).toStack();Ai("toVar",$u),Ai("toConst",zu),Ai("toVarIntent",Wu);class Hu extends pi{static get type(){return"SubBuild"}constructor(e,t,r=null){super(r),this.node=e,this.name=t,this.isSubBuildNode=!0}generateNodeType(e){if(null!==this.nodeType)return this.nodeType;e.addSubBuild(this.name);const t=this.node.getNodeType(e);return e.removeSubBuild(),t}build(e,...t){e.addSubBuild(this.name);const r=this.node.build(e,...t);return e.removeSubBuild(),r}}const ju=(e,t,r=null)=>new Hu(sn(e),t,r);class qu extends pi{static get type(){return"VaryingNode"}constructor(e,t=null){super(),this.node=ju(e,"VERTEX"),this.name=t,this.isVaryingNode=!0,this.interpolationType=null,this.interpolationSampling=null,this.global=!0}setInterpolation(e,t=null){return this.interpolationType=e,this.interpolationSampling=t,this}getHash(e){return this.name||super.getHash(e)}generateNodeType(e){return this.node.getNodeType(e)}setupVarying(e){const t=e.getNodeProperties(this);let r=t.varying;if(void 0===r){const s=this.name,i=this.getNodeType(e),n=this.interpolationType,a=this.interpolationSampling;t.varying=r=e.getVaryingFromNode(this,s,i,n,a),t.node=ju(this.node,"VERTEX")}return r.needsInterpolation||(r.needsInterpolation="fragment"===e.shaderStage),r}setup(e){this.setupVarying(e),e.flowNodeFromShaderStage(si.VERTEX,this.node)}analyze(e){this.setupVarying(e),e.flowNodeFromShaderStage(si.VERTEX,this.node)}generate(e){const t=e.getSubBuildProperty("property",e.currentStack),r=e.getNodeProperties(this),s=this.setupVarying(e);if(void 0===r[t]){const i=this.getNodeType(e),n=e.getPropertyName(s,si.VERTEX);if(e.shaderStage===si.VERTEX){const t=r.node.build(e,i);e.addLineFlowCode(`${n} = ${t}`,this)}else e.flowNodeFromShaderStage(si.VERTEX,r.node,i,n);r[t]=n}return e.getPropertyName(s)}}const Xu=un(qu).setParameterLength(1,2),Yu=e=>Xu(e);Ai("toVarying",Xu),Ai("toVertexStage",Yu);const Qu=gn(([e])=>{const t=e.mul(.9478672986).add(.0521327014).pow(2.4),r=e.mul(.0773993808),s=e.lessThanEqual(.04045);return xu(t,r,s)}).setLayout({name:"sRGBTransferEOTF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),Ku=gn(([e])=>{const t=e.pow(.41666).mul(1.055).sub(.055),r=e.mul(12.92),s=e.lessThanEqual(.0031308);return xu(t,r,s)}).setLayout({name:"sRGBTransferOETF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),Zu="WorkingColorSpace";class Ju extends fi{static get type(){return"ColorSpaceNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this.source=t,this.target=r}resolveColorSpace(e,t){return t===Zu?p.workingColorSpace:"OutputColorSpace"===t?e.context.outputColorSpace||e.renderer.outputColorSpace:t}setup(e){const{colorNode:t}=this,r=this.resolveColorSpace(e,this.source),s=this.resolveColorSpace(e,this.target);let i=t;return!1!==p.enabled&&r!==s&&r&&s?(p.getTransfer(r)===g&&(i=Ln(Qu(i.rgb),i.a)),p.getPrimaries(r)!==p.getPrimaries(s)&&(i=Ln(In(p._getMatrix(new n,r,s)).mul(i.rgb),i.a)),p.getTransfer(s)===g&&(i=Ln(Ku(i.rgb),i.a)),i):i}}const el=(e,t)=>new Ju(sn(e),Zu,t),tl=(e,t)=>new Ju(sn(e),t,Zu);Ai("workingToColorSpace",el),Ai("colorSpaceToWorking",tl);let rl=class extends gi{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}generateNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(),s=this.getNodeType();return e.format(t,r,s)}};class sl extends pi{static get type(){return"ReferenceBaseNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.updateType=ii.OBJECT}setGroup(e){return this.group=e,this}element(e){return new rl(this,sn(e))}setNodeType(e){const t=Aa(null,e);null!==this.group&&t.setGroup(this.group),this.node=t}generateNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;e<t.length;e++)r=r[t[e]];return r}updateReference(e){return this.reference=null!==this.object?this.object:e.object,this.reference}setup(){return this.updateValue(),this.node}update(){this.updateValue()}updateValue(){null===this.node&&this.setNodeType(this.uniformType);const e=this.getValueFromReference();Array.isArray(e)?this.node.array=e:this.node.value=e}}class il extends sl{static get type(){return"RendererReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.renderer=r,this.setGroup(Ra)}updateReference(e){return this.reference=null!==this.renderer?this.renderer:e.renderer,this.reference}}const nl=(e,t,r=null)=>new il(e,t,r);class al extends fi{static get type(){return"ToneMappingNode"}constructor(e,t=ul,r=null){super("vec3"),this._toneMapping=e,this.exposureNode=t,this.colorNode=r}customCacheKey(){return zs(this._toneMapping)}setToneMapping(e){return this._toneMapping=e,this}getToneMapping(){return this._toneMapping}setup(e){const t=this.colorNode||e.context.color,r=this._toneMapping;if(r===m)return t;let s=null;const i=e.renderer.library.getToneMappingFunction(r);return null!==i?s=Ln(i(t.rgb,this.exposureNode),t.a):(o("ToneMappingNode: Unsupported Tone Mapping configuration.",r),s=t),s}}const ol=(e,t,r)=>new al(e,sn(t),sn(r)),ul=nl("toneMappingExposure","float");Ai("toneMapping",(e,t,r)=>ol(t,r,e));const ll=new WeakMap;function dl(e,t){let r=ll.get(e);return void 0===r&&(r=new b(e,t),ll.set(e,r)),r}class cl extends vi{static get type(){return"BufferAttributeNode"}constructor(e,t=null,r=0,s=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferStride=r,this.bufferOffset=s,this.usage=f,this.instanced=!1,this.attribute=null,this.global=!0,e&&!0===e.isBufferAttribute&&e.itemSize<=4&&(this.attribute=e,this.usage=e.usage,this.instanced=e.isInstancedBufferAttribute)}getHash(e){let t;if(0===this.bufferStride&&0===this.bufferOffset){let r=e.globalCache.getData(this.value);void 0===r&&(r={node:this},e.globalCache.setData(this.value,r)),t=r.node.id}else t=this.id;return String(t)}generateNodeType(e){return null===this.bufferType&&(this.bufferType=e.getTypeFromAttribute(this.attribute)),this.bufferType}setup(e){if(null!==this.attribute)return;const t=this.getNodeType(e),r=e.getTypeLength(t),s=this.value,i=this.bufferStride||r,n=this.bufferOffset;let a;a=!0===s.isInterleavedBuffer?s:!0===s.isBufferAttribute?dl(s.array,i):dl(s,i);const o=new y(a,r,n);a.setUsage(this.usage),this.attribute=o,this.attribute.isInstancedBufferAttribute=this.instanced}generate(e){const t=this.getNodeType(e),r=e.context.nodeName;void 0!==r&&delete e.context.nodeName;const s=e.getBufferAttributeFromNode(this,t,r),i=e.getPropertyName(s);let n=null;if("vertex"===e.shaderStage||"compute"===e.shaderStage)this.name=i,n=i;else{let s;r&&(s=r+"Varying");n=Xu(this,s).build(e,t)}return n}getInputType(){return"bufferAttribute"}setUsage(e){return this.usage=e,this.attribute&&!0===this.attribute.isBufferAttribute&&(this.attribute.usage=e),this}setInstanced(e){return this.instanced=e,this}}function hl(e,t=null,r=0,s=0,i=f,n=!1){return"mat3"===t||null===t&&9===e.itemSize?In(new cl(e,"vec3",9,0).setUsage(i).setInstanced(n),new cl(e,"vec3",9,3).setUsage(i).setInstanced(n),new cl(e,"vec3",9,6).setUsage(i).setInstanced(n)):"mat4"===t||null===t&&16===e.itemSize?On(new cl(e,"vec4",16,0).setUsage(i).setInstanced(n),new cl(e,"vec4",16,4).setUsage(i).setInstanced(n),new cl(e,"vec4",16,8).setUsage(i).setInstanced(n),new cl(e,"vec4",16,12).setUsage(i).setInstanced(n)):new cl(e,t,r,s).setUsage(i)}const pl=(e,t=null,r=0,s=0)=>hl(e,t,r,s),gl=(e,t=null,r=0,s=0)=>hl(e,t,r,s,f,!0),ml=(e,t=null,r=0,s=0)=>hl(e,t,r,s,x,!0);Ai("toAttribute",e=>pl(e.value));class fl extends pi{static get type(){return"IndexNode"}constructor(e){super("uint"),this.scope=e,this.isIndexNode=!0}generate(e){const t=this.getNodeType(e),r=this.scope;let s,i;if(r===fl.VERTEX)s=e.getVertexIndex();else if(r===fl.INSTANCE)s=e.getInstanceIndex();else if(r===fl.DRAW)s=e.getDrawIndex();else if(r===fl.INVOCATION_LOCAL)s=e.getInvocationLocalIndex();else if(r===fl.INVOCATION_SUBGROUP)s=e.getInvocationSubgroupIndex();else{if(r!==fl.SUBGROUP)throw new Error("THREE.IndexNode: Unknown scope: "+r);s=e.getSubgroupIndex()}if("vertex"===e.shaderStage||"compute"===e.shaderStage)i=s;else{i=Xu(this).build(e,t)}return i}}fl.VERTEX="vertex",fl.INSTANCE="instance",fl.SUBGROUP="subgroup",fl.INVOCATION_LOCAL="invocationLocal",fl.INVOCATION_SUBGROUP="invocationSubgroup",fl.DRAW="draw";const yl=ln(fl,fl.VERTEX),bl=ln(fl,fl.INSTANCE),xl=ln(fl,fl.SUBGROUP),Tl=ln(fl,fl.INVOCATION_SUBGROUP),_l=ln(fl,fl.INVOCATION_LOCAL),vl=ln(fl,fl.DRAW);class Nl extends pi{static get type(){return"ComputeNode"}constructor(e,t){super("void"),this.isComputeNode=!0,this.computeNode=e,this.workgroupSize=t,this.count=null,this.dispatchSize=null,this.version=1,this.name="",this.updateBeforeType=ii.OBJECT,this.onInitFunction=null,this.countNode=null}dispose(){this.dispatchEvent({type:"dispose"})}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.',new Vs),this.setName(e)}onInit(e){return this.onInitFunction=e,this}updateBefore({renderer:e}){e.compute(this)}setup(e){null!==this.count&&null===this.countNode&&(this.countNode=Aa(this.count,"uint").onObjectUpdate(()=>this.count));const t=this.computeNode.build(e);if(t){e.getNodeProperties(this).outputComputeNode=t.outputNode,t.outputNode=null}return t}generate(e,t){const{shaderStage:r}=e;if("compute"===r){const t=this.computeNode.build(e,"void");if(""!==t&&e.addLineFlowCode(t,this),null!==this.count&&!0===e.allowEarlyReturns){const t=this.countNode.build(e,"uint"),r=bl.build(e,"uint");e.flow.code=`${e.tab}if ( ${r} >= ${t} ) { return; }\n\n${e.flow.code}`}}else{const r=e.getNodeProperties(this).outputComputeNode;if(r)return r.build(e,t)}}}const Sl=(e,t=[64])=>{(0===t.length||t.length>3)&&o("TSL: compute() workgroupSize must have 1, 2, or 3 elements",new Vs);for(let e=0;e<t.length;e++){const r=t[e];("number"!=typeof r||r<=0||!Number.isInteger(r))&&o(`TSL: compute() workgroupSize element at index [ ${e} ] must be a positive integer`,new Vs)}for(;t.length<3;)t.push(1);return new Nl(sn(e),t)},Rl=(e,t,r)=>{const s=Sl(e,r);return"number"==typeof t?s.count=t:s.dispatchSize=t,s};Ai("compute",Rl),Ai("computeKernel",Sl);class El extends pi{static get type(){return"IsolateNode"}constructor(e,t=!0){super(),this.node=e,this.parent=t,this.isIsolateNode=!0}generateNodeType(e){const t=e.getCache(),r=e.getCacheFromNode(this,this.parent);e.setCache(r);const s=this.node.getNodeType(e);return e.setCache(t),s}build(e,...t){const r=e.getCache(),s=e.getCacheFromNode(this,this.parent);e.setCache(s);const i=this.node.build(e,...t);return e.setCache(r),i}setParent(e){return this.parent=e,this}getParent(){return this.parent}}const wl=e=>new El(sn(e));function Al(e,t=!0){return d('TSL: "cache()" has been deprecated. Use "isolate()" instead.'),wl(e).setParent(t)}Ai("cache",Al),Ai("isolate",wl);class Cl extends pi{static get type(){return"BypassNode"}constructor(e,t){super(),this.isBypassNode=!0,this.outputNode=e,this.callNode=t}generateNodeType(e){return this.outputNode.getNodeType(e)}generate(e){const t=this.callNode.build(e,"void");return""!==t&&e.addLineFlowCode(t,this),this.outputNode.build(e)}}const Ml=un(Cl).setParameterLength(2);Ai("bypass",Ml);const Bl=gn(([e,t,r,s=Tn(0),i=Tn(1),n=Nn(!1)])=>{let a=e.sub(t).div(r.sub(t));return en(n)&&(a=a.clamp()),a.mul(i.sub(s)).add(s)});function Ll(e,t,r,s=Tn(0),i=Tn(1)){return Bl(e,t,r,s,i,!0)}Ai("remap",Bl),Ai("remapClamp",Ll);class Fl extends pi{static get type(){return"ExpressionNode"}constructor(e="",t="void"){super(t),this.snippet=e}generate(e,t){const r=this.getNodeType(e),s=this.snippet;if("void"!==r)return e.format(s,r,t);e.addLineFlowCode(s,this)}}const Pl=un(Fl).setParameterLength(1,2),Ul=e=>(e?Lu(e,Pl("discard")):Pl("discard")).toStack();Ai("discard",Ul);const Dl=gn(([e])=>Ln(e.rgb.mul(e.a),e.a),{color:"vec4",return:"vec4"}),Il=gn(([e])=>e.a.equal(0).select(Ln(0),Ln(e.rgb.div(e.a),e.a)),{color:"vec4",return:"vec4"});class Ol extends fi{static get type(){return"RenderOutputNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this._toneMapping=t,this.outputColorSpace=r,this.isRenderOutputNode=!0}setToneMapping(e){return this._toneMapping=e,this}getToneMapping(){return this._toneMapping}setup({context:e}){let t=this.colorNode||e.color;t=Ln(t.rgb,t.a.clamp(0,1)),t=Il(t);const r=(null!==this._toneMapping?this._toneMapping:e.toneMapping)||m,s=(null!==this.outputColorSpace?this.outputColorSpace:e.outputColorSpace)||T;return r!==m&&(t=t.toneMapping(r)),s!==T&&s!==p.workingColorSpace&&(t=t.workingToColorSpace(s)),t=Dl(t),t}}const Vl=(e,t=null,r=null)=>new Ol(sn(e),t,r);Ai("renderOutput",Vl);class kl extends fi{static get type(){return"DebugNode"}constructor(e,t=null){super(),this.node=e,this.callback=t}generateNodeType(e){return this.node.getNodeType(e)}setup(e){return this.node.build(e)}analyze(e){return this.node.build(e)}generate(e){const t=this.callback,r=this.node.build(e);if(null!==t)t(e,r);else{const t="--- TSL debug - "+e.shaderStage+" shader ---",s="-".repeat(t.length);let i="";i+="// #"+t+"#\n",i+=e.flow.code.replace(/^\t/gm,"")+"\n",i+="/* ... */ "+r+" /* ... */\n",i+="// #"+s+"#\n",_(i)}return r}}const Gl=(e,t=null)=>new kl(sn(e),t).toStack();Ai("debug",Gl);class $l extends u{constructor(){super(),this._renderer=null,this.currentFrame=null}get nodeFrame(){return this._renderer._nodes.nodeFrame}setRenderer(e){return this._renderer=e,this}getRenderer(){return this._renderer}init(){}begin(){}finish(){}inspect(){}computeAsync(){}beginCompute(){}finishCompute(){}beginRender(){}finishRender(){}copyTextureToTexture(){}copyFramebufferToTexture(){}}class zl extends pi{static get type(){return"InspectorNode"}constructor(e,t="",r=null){super(),this.node=e,this.name=t,this.callback=r,this.updateType=ii.FRAME,this.isInspectorNode=!0}getName(){return this.name||this.node.name}update(e){e.renderer.inspector.inspect(this)}generateNodeType(e){return this.node.getNodeType(e)}setup(e){let t=this.node;return!0===e.context.inspector&&null!==this.callback&&(t=this.callback(t)),!0!==e.renderer.backend.isWebGPUBackend&&e.renderer.inspector.constructor!==$l&&v('TSL: ".toInspector()" is only available with WebGPU.'),t}}function Wl(e,t="",r=null){return(e=sn(e)).before(new zl(e,t,r))}Ai("toInspector",Wl);class Hl extends pi{static get type(){return"AttributeNode"}constructor(e,t=null){super(t),this.global=!0,this._attributeName=e}getHash(e){return this.getAttributeName(e)}generateNodeType(e){let t=this.nodeType;if(null===t){const r=this.getAttributeName(e);if(e.hasGeometryAttribute(r)){const s=e.geometry.getAttribute(r);t=e.getTypeFromAttribute(s)}else t="float"}return t}setAttributeName(e){return this._attributeName=e,this}getAttributeName(){return this._attributeName}generate(e){const t=this.getAttributeName(e),r=this.getNodeType(e);if(!0===e.hasGeometryAttribute(t)){const s=e.geometry.getAttribute(t),i=e.getTypeFromAttribute(s),n=e.getAttribute(t,i);if("vertex"===e.shaderStage)return e.format(n.name,i,r);return Xu(this).build(e,r)}return d(`AttributeNode: Vertex attribute "${t}" not found on geometry.`),e.generateConst(r)}serialize(e){super.serialize(e),e.global=this.global,e._attributeName=this._attributeName}deserialize(e){super.deserialize(e),this.global=e.global,this._attributeName=e._attributeName}}const jl=(e,t=null)=>new Hl(e,t),ql=(e=0)=>jl("uv"+(e>0?e:""),"vec2");class Xl extends pi{static get type(){return"TextureSizeNode"}constructor(e,t=null){super("uvec2"),this.isTextureSizeNode=!0,this.textureNode=e,this.levelNode=t}generate(e,t){const r=this.textureNode.build(e,"property"),s=null===this.levelNode?"0":this.levelNode.build(e,"int");return e.format(`${e.getMethod("textureDimensions")}( ${r}, ${s} )`,this.getNodeType(e),t)}}const Yl=un(Xl).setParameterLength(1,2);class Ql extends wa{static get type(){return"MaxMipLevelNode"}constructor(e){super(0),this._textureNode=e,this.updateType=ii.FRAME}get textureNode(){return this._textureNode}get texture(){return this._textureNode.value}update(){const e=this.texture,t=e.images,r=t&&t.length>0?t[0]&&t[0].image||t[0]:e.image;if(r&&void 0!==r.width){const{width:e,height:t}=r;this.value=Math.log2(Math.max(e,t))}}}const Kl=un(Ql).setParameterLength(1);class Zl extends Error{constructor(e,t=null){super(e),this.name="NodeError",this.stackTrace=t}}const Jl=new N;class ed extends wa{static get type(){return"TextureNode"}constructor(e=Jl,t=null,r=null,s=null){super(e),this.isTextureNode=!0,this.uvNode=t,this.levelNode=r,this.biasNode=s,this.compareNode=null,this.depthNode=null,this.gradNode=null,this.gatherNode=null,this.offsetNode=null,this.sampler=!0,this.updateMatrix=!1,this.updateType=ii.NONE,this.referenceNode=null,this._value=e,this._matrixUniform=null,this._flipYUniform=null,this.setUpdateMatrix(null===t)}set value(e){this.referenceNode?this.referenceNode.value=e:this._value=e}get value(){return this.referenceNode?this.referenceNode.value:this._value}getUniformHash(){return this.value.uuid}generateNodeType(){return!0===this.value.isDepthTexture?null===this.gatherNode?"float":"vec4":this.value.type===S?"uvec4":this.value.type===R?"ivec4":"vec4"}getInputType(){return"texture"}getDefaultUV(){return ql(this.value.channel)}updateReference(){return this.value}getTransformedUV(e){return null===this._matrixUniform&&(this._matrixUniform=Aa(this.value.matrix)),this._matrixUniform.mul(An(e,1)).xy}setUpdateMatrix(e){return this.updateMatrix=e,this}setupUV(e,t){return e.isFlipY()&&(null===this._flipYUniform&&(this._flipYUniform=Aa(!1)),t=t.toVar(),t=this.sampler?this._flipYUniform.select(t.flipY(),t):this._flipYUniform.select(t.setY(_n(Yl(this,this.levelNode).y).sub(t.y).sub(1)),t)),t}setup(e){const t=e.getNodeProperties(this);t.referenceNode=this.referenceNode;const r=this.value;if(!r||!0!==r.isTexture)throw new Zl("THREE.TSL: `texture( value )` function expects a valid instance of THREE.Texture().",this.stackTrace);const s=gn(()=>{let t=this.uvNode;return null!==t&&!0!==e.context.forceUVContext||!e.context.getUV||(t=e.context.getUV(this,e)),t||(t=this.getDefaultUV()),!0===this.updateMatrix&&(t=this.getTransformedUV(t)),t=this.setupUV(e,t),this.updateType=null!==this._matrixUniform||null!==this._flipYUniform?ii.OBJECT:ii.NONE,t})();let i=this.levelNode;null===i&&e.context.getTextureLevel&&(i=e.context.getTextureLevel(this));let n=null,a=null;if(null!==this.compareNode)if(e.renderer.hasCompatibility(E.TEXTURE_COMPARE))n=this.compareNode;else{const e=r.compareFunction;null===e||e===w||e===A||e===C||e===M?a=this.compareNode:(n=this.compareNode,v('TSL: Only "LessCompare", "LessEqualCompare", "GreaterCompare" and "GreaterEqualCompare" are supported for depth texture comparison fallback.'))}t.uvNode=s,t.levelNode=i,t.biasNode=this.biasNode,t.compareNode=n,t.compareStepNode=a,t.gradNode=this.gradNode,t.gatherNode=this.gatherNode,t.depthNode=this.depthNode,t.offsetNode=this.offsetNode}generateUV(e,t){return t.build(e,!0===this.sampler?"vec2":"ivec2")}generateOffset(e,t){return t.build(e,"ivec2")}generateSnippet(e,t,r,s,i,n,a,o,u,l,d){const c=this.value;let h;return h=i?e.generateTextureBias(c,t,r,i,n,l):o?e.generateTextureGrad(c,t,r,o,n,l):u?a?e.generateTextureGatherCompare(c,t,r,a,n,l,d):e.generateTextureGather(c,t,r,u,n,l,d):a?e.generateTextureCompare(c,t,r,a,n,l):!1===this.sampler?e.generateTextureLoad(c,t,r,s,n,l):s?e.generateTextureLevel(c,t,r,s,n,l):e.generateTexture(c,t,r,n,l),h}generate(e,t){const r=this.value,s=e.getNodeProperties(this),i=super.generate(e,"property");if(/^sampler/.test(t))return i+"_sampler";if(e.isReference(t))return i;{const n=e.getDataFromNode(this);let a=this.getNodeType(e),o=n.propertyName;if(void 0===o){const{uvNode:t,levelNode:u,biasNode:l,compareNode:d,compareStepNode:c,depthNode:h,gradNode:p,gatherNode:g,offsetNode:m}=s,f=this.generateUV(e,t),y=u?u.build(e,"float"):null,b=l?l.build(e,"float"):null,x=h?h.build(e,"int"):null,T=d?d.build(e,"float"):null,_=c?c.build(e,"float"):null,v=p?[p[0].build(e,"vec2"),p[1].build(e,"vec2")]:null,N=g?g.build(e,"int"):null,S=m?this.generateOffset(e,m):null,R=this._flipYUniform?this._flipYUniform.build(e,"bool"):null;N&&(a="vec4");let E=x;null===E&&r.isArrayTexture&&!0!==this.isTexture3DNode&&(E="0");const w=e.getVarFromNode(this);o=e.getPropertyName(w);let A=this.generateSnippet(e,i,f,y,b,E,T,v,N,S,R);if(null!==_){const t=r.compareFunction;A=t===C||t===M?iu(Pl(A,a),Pl(_,"float")).build(e,a):iu(Pl(_,"float"),Pl(A,a)).build(e,a)}e.addLineFlowCode(`${o} = ${A}`,this),n.snippet=A,n.propertyName=o}let u=o;return e.needsToWorkingColorSpace(r)&&(u=tl(Pl(u,a),r.colorSpace).setup(e).build(e,a)),e.format(u,a,t)}}setSampler(e){return this.sampler=e,this}getSampler(){return this.sampler}sample(e){const t=this.clone();return t.uvNode=sn(e),t.referenceNode=this.getBase(),sn(t)}load(e){return this.sample(e).setSampler(!1)}blur(e){const t=this.clone();t.biasNode=sn(e).mul(Kl(t)),t.referenceNode=this.getBase();const r=t.value;return!1===t.generateMipmaps&&(r&&!1===r.generateMipmaps||r.minFilter===B||r.magFilter===B)&&(d("TSL: texture().blur() requires mipmaps and sampling. Use .generateMipmaps=true and .minFilter/.magFilter=THREE.LinearFilter in the Texture."),t.biasNode=null),sn(t)}level(e){const t=this.clone();return t.levelNode=sn(e),t.referenceNode=this.getBase(),sn(t)}size(e){return Yl(this,e)}bias(e){const t=this.clone();return t.biasNode=sn(e),t.referenceNode=this.getBase(),sn(t)}getBase(){return this.referenceNode?this.referenceNode.getBase():this}compare(e){const t=this.clone();return t.compareNode=sn(e),t.referenceNode=this.getBase(),sn(t)}grad(e,t){const r=this.clone();return r.gradNode=[sn(e),sn(t)],r.referenceNode=this.getBase(),sn(r)}gather(e=0){const t=this.clone();return t.gatherNode=sn(e),t.referenceNode=this.getBase(),sn(t)}depth(e){const t=this.clone();return t.depthNode=sn(e),t.referenceNode=this.getBase(),sn(t)}offset(e){const t=this.clone();return t.offsetNode=sn(e),t.referenceNode=this.getBase(),sn(t)}serialize(e){super.serialize(e),e.value=this.value.toJSON(e.meta).uuid,e.sampler=this.sampler,e.updateMatrix=this.updateMatrix,e.updateType=this.updateType}deserialize(e){super.deserialize(e),this.value=e.meta.textures[e.value],this.sampler=e.sampler,this.updateMatrix=e.updateMatrix,this.updateType=e.updateType}update(){const e=this.value,t=this._matrixUniform;null!==t&&(t.value=e.matrix),!0===e.matrixAutoUpdate&&e.updateMatrix();const r=this._flipYUniform;null!==r&&(r.value=e.image instanceof ImageBitmap&&!0===e.flipY||!0===e.isRenderTargetTexture||!0===e.isFramebufferTexture||!0===e.isDepthTexture)}clone(){const e=new this.constructor(this.value,this.uvNode,this.levelNode,this.biasNode);return e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.gatherNode=this.gatherNode,e.offsetNode=this.offsetNode,e}}const td=un(ed).setParameterLength(1,4).setName("texture"),rd=(e=Jl,t=null,r=null,s=null)=>{let i;return e&&!0===e.isTextureNode?(i=sn(e.clone()),i.referenceNode=e.getBase(),null!==t&&(i.uvNode=sn(t)),null!==r&&(i.levelNode=sn(r)),null!==s&&(i.biasNode=sn(s))):i=td(e,t,r,s),i},sd=(...e)=>rd(...e).setSampler(!1);class id extends wa{static get type(){return"BufferNode"}constructor(e,t,r=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferCount=r,this.updateRanges=[]}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}getElementType(e){return this.getNodeType(e)}getInputType(){return"buffer"}}const nd=(e,t,r)=>new id(e,t,r);class ad extends gi{static get type(){return"UniformArrayElementNode"}constructor(e,t){super(e,t),this.isArrayBufferElementNode=!0}generate(e){const t=super.generate(e),r=this.getNodeType(e),s=this.node.getPaddedType();return e.format(t,s,r)}}class od extends id{static get type(){return"UniformArrayNode"}constructor(e,t=null){super(null),this.array=e,this.elementType=null===t?Ks(e[0]):t,this.paddedType=this.getPaddedType(),this.updateType=ii.RENDER,this.isArrayBufferNode=!0}generateNodeType(){return this.paddedType}getElementType(){return this.elementType}getPaddedType(){const e=this.elementType;let t="vec4";return"mat2"===e?t="mat2":!0===/mat/.test(e)?t="mat4":"i"===e.charAt(0)?t="ivec4":"u"===e.charAt(0)&&(t="uvec4"),t}update(){const{array:e,value:t}=this,r=this.elementType;if("float"===r||"int"===r||"uint"===r)for(let r=0;r<e.length;r++){t[4*r]=e[r]}else if("color"===r)for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.r,t[s+1]=i.g,t[s+2]=i.b||0}else if("mat2"===r)for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.elements[0],t[s+1]=i.elements[1],t[s+2]=i.elements[2],t[s+3]=i.elements[3]}else if("mat3"===r)for(let r=0;r<e.length;r++){const s=16*r,i=e[r];t[s]=i.elements[0],t[s+1]=i.elements[1],t[s+2]=i.elements[2],t[s+4]=i.elements[3],t[s+5]=i.elements[4],t[s+6]=i.elements[5],t[s+8]=i.elements[6],t[s+9]=i.elements[7],t[s+10]=i.elements[8],t[s+15]=1}else if("mat4"===r)for(let r=0;r<e.length;r++){const s=16*r,i=e[r];for(let e=0;e<i.elements.length;e++)t[s+e]=i.elements[e]}else for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.x,t[s+1]=i.y,t[s+2]=i.z||0,t[s+3]=i.w||0}}setup(e){const t=this.array.length,r=this.elementType;let s=Float32Array;const i=this.paddedType,n=e.getTypeLength(i);return"i"===r.charAt(0)&&(s=Int32Array),"u"===r.charAt(0)&&(s=Uint32Array),this.value=new s(t*n),this.bufferCount=t,this.bufferType=i,this.update(),super.setup(e)}element(e){return new ad(this,sn(e))}}const ud=(e,t)=>new od(e,t);class ld extends pi{constructor(e){super("float"),this.name=e,this.isBuiltinNode=!0}generate(){return this.name}}const dd=un(ld).setParameterLength(1);let cd,hd;class pd extends pi{static get type(){return"ScreenNode"}constructor(e){super(),this.scope=e,this._output=null,this.isViewportNode=!0}generateNodeType(){return this.scope===pd.DPR?"float":this.scope===pd.VIEWPORT?"vec4":"vec2"}getUpdateType(){let e=ii.NONE;return this.scope!==pd.SIZE&&this.scope!==pd.VIEWPORT&&this.scope!==pd.DPR||(e=ii.RENDER),this.updateType=e,e}update({renderer:e}){const t=e.getRenderTarget();this.scope===pd.VIEWPORT?null!==t?hd.copy(t.viewport):(e.getViewport(hd),hd.multiplyScalar(e.getPixelRatio())):this.scope===pd.DPR?this._output.value=e.getPixelRatio():null!==t?(cd.width=t.width,cd.height=t.height):e.getDrawingBufferSize(cd)}setup(){const e=this.scope;let r=null;return r=e===pd.SIZE?Aa(cd||(cd=new t)):e===pd.VIEWPORT?Aa(hd||(hd=new s)):e===pd.DPR?Aa(1):Sn(yd.div(fd)),this._output=r,r}generate(e){if(this.scope===pd.COORDINATE){let t=e.getFragCoord();if(e.isFlipY()){const r=e.getNodeProperties(fd).outputNode.build(e);t=`${e.getType("vec2")}( ${t}.x, ${r}.y - ${t}.y )`}return t}return super.generate(e)}}pd.COORDINATE="coordinate",pd.VIEWPORT="viewport",pd.SIZE="size",pd.UV="uv",pd.DPR="dpr";const gd=ln(pd,pd.DPR),md=ln(pd,pd.UV),fd=ln(pd,pd.SIZE),yd=ln(pd,pd.COORDINATE),bd=ln(pd,pd.VIEWPORT),xd=bd.zw,Td=yd.sub(bd.xy),_d=Td.div(xd),vd=gn(()=>(d('TSL: "viewportResolution" is deprecated. Use "screenSize" instead.',new Vs),fd),"vec2").once()();let Nd=null,Sd=null,Rd=null,Ed=null,wd=null,Ad=null,Cd=null,Md=null,Bd=null,Ld=null,Fd=null,Pd=null,Ud=null,Dd=null;const Id=Aa(0,"uint").setName("u_cameraIndex").setGroup(Na("cameraIndex")).toVarying("v_cameraIndex"),Od=Aa("float").setName("cameraNear").setGroup(Ra).onRenderUpdate(({camera:e})=>e.near),Vd=Aa("float").setName("cameraFar").setGroup(Ra).onRenderUpdate(({camera:e})=>e.far),kd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.projectionMatrix);null===Sd?Sd=ud(r).setGroup(Ra).setName("cameraProjectionMatrices"):Sd.array=r,t=Sd.element(e.isMultiViewCamera?dd("gl_ViewID_OVR"):Id).toConst("cameraProjectionMatrix")}else null===Nd&&(Nd=Aa(e.projectionMatrix).setName("cameraProjectionMatrix").setGroup(Ra).onRenderUpdate(({camera:e})=>e.projectionMatrix)),t=Nd;return t}).once()(),Gd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.projectionMatrixInverse);null===Ed?Ed=ud(r).setGroup(Ra).setName("cameraProjectionMatricesInverse"):Ed.array=r,t=Ed.element(e.isMultiViewCamera?dd("gl_ViewID_OVR"):Id).toConst("cameraProjectionMatrixInverse")}else null===Rd&&(Rd=Aa(e.projectionMatrixInverse).setName("cameraProjectionMatrixInverse").setGroup(Ra).onRenderUpdate(({camera:e})=>e.projectionMatrixInverse)),t=Rd;return t}).once()(),$d=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.matrixWorldInverse);null===Ad?Ad=ud(r).setGroup(Ra).setName("cameraViewMatrices"):Ad.array=r,t=Ad.element(e.isMultiViewCamera?dd("gl_ViewID_OVR"):Id).toConst("cameraViewMatrix")}else null===wd&&(wd=Aa(e.matrixWorldInverse).setName("cameraViewMatrix").setGroup(Ra).onRenderUpdate(({camera:e})=>e.matrixWorldInverse)),t=wd;return t}).once()(),zd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.matrixWorld);null===Md?Md=ud(r).setGroup(Ra).setName("cameraWorldMatrices"):Md.array=r,t=Md.element(e.isMultiViewCamera?dd("gl_ViewID_OVR"):Id).toConst("cameraWorldMatrix")}else null===Cd&&(Cd=Aa(e.matrixWorld).setName("cameraWorldMatrix").setGroup(Ra).onRenderUpdate(({camera:e})=>e.matrixWorld)),t=Cd;return t}).once()(),Wd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.normalMatrix);null===Ld?Ld=ud(r).setGroup(Ra).setName("cameraNormalMatrices"):Ld.array=r,t=Ld.element(e.isMultiViewCamera?dd("gl_ViewID_OVR"):Id).toConst("cameraNormalMatrix")}else null===Bd&&(Bd=Aa(e.normalMatrix).setName("cameraNormalMatrix").setGroup(Ra).onRenderUpdate(({camera:e})=>e.normalMatrix)),t=Bd;return t}).once()(),Hd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const s=[];for(let t=0,i=e.cameras.length;t<i;t++)s.push(new r);null===Pd?Pd=ud(s).setGroup(Ra).setName("cameraPositions").onRenderUpdate(({camera:e},t)=>{const r=e.cameras,s=t.array;for(let e=0,t=r.length;e<t;e++)s[e].setFromMatrixPosition(r[e].matrixWorld)}):Pd.array=s,t=Pd.element(e.isMultiViewCamera?dd("gl_ViewID_OVR"):Id).toConst("cameraPosition")}else null===Fd&&(Fd=Aa(new r).setName("cameraPosition").setGroup(Ra).onRenderUpdate(({camera:e},t)=>t.value.setFromMatrixPosition(e.matrixWorld))),t=Fd;return t}).once()(),jd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.viewport);null===Dd?Dd=ud(r,"vec4").setGroup(Ra).setName("cameraViewports"):Dd.array=r,t=Dd.element(Id).toConst("cameraViewport")}else null===Ud&&(Ud=Ln(0,0,fd.x,fd.y).toConst("cameraViewport")),t=Ud;return t}).once()(),qd=new L;class Xd extends pi{static get type(){return"Object3DNode"}constructor(e,t=null){super(),this.scope=e,this.object3d=t,this.updateType=ii.OBJECT,this.uniformNode=new wa(null)}generateNodeType(){const e=this.scope;return e===Xd.WORLD_MATRIX?"mat4":e===Xd.POSITION||e===Xd.VIEW_POSITION||e===Xd.DIRECTION||e===Xd.SCALE?"vec3":e===Xd.RADIUS?"float":void 0}update(e){const t=this.object3d,s=this.uniformNode,i=this.scope;if(i===Xd.WORLD_MATRIX)s.value=t.matrixWorld;else if(i===Xd.POSITION)s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld);else if(i===Xd.SCALE)s.value=s.value||new r,s.value.setFromMatrixScale(t.matrixWorld);else if(i===Xd.DIRECTION)s.value=s.value||new r,t.getWorldDirection(s.value);else if(i===Xd.VIEW_POSITION){const i=e.camera;s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld),s.value.applyMatrix4(i.matrixWorldInverse)}else if(i===Xd.RADIUS){const r=e.object.geometry;null===r.boundingSphere&&r.computeBoundingSphere(),qd.copy(r.boundingSphere).applyMatrix4(t.matrixWorld),s.value=qd.radius}}generate(e){const t=this.scope;return t===Xd.WORLD_MATRIX?this.uniformNode.nodeType="mat4":t===Xd.POSITION||t===Xd.VIEW_POSITION||t===Xd.DIRECTION||t===Xd.SCALE?this.uniformNode.nodeType="vec3":t===Xd.RADIUS&&(this.uniformNode.nodeType="float"),this.uniformNode.build(e)}serialize(e){super.serialize(e),e.scope=this.scope}deserialize(e){super.deserialize(e),this.scope=e.scope}}Xd.WORLD_MATRIX="worldMatrix",Xd.POSITION="position",Xd.SCALE="scale",Xd.VIEW_POSITION="viewPosition",Xd.DIRECTION="direction",Xd.RADIUS="radius";const Yd=un(Xd,Xd.DIRECTION).setParameterLength(1),Qd=un(Xd,Xd.WORLD_MATRIX).setParameterLength(1),Kd=un(Xd,Xd.POSITION).setParameterLength(1),Zd=un(Xd,Xd.SCALE).setParameterLength(1),Jd=un(Xd,Xd.VIEW_POSITION).setParameterLength(1),ec=un(Xd,Xd.RADIUS).setParameterLength(1);class tc extends Xd{static get type(){return"ModelNode"}constructor(e){super(e)}update(e){this.object3d=e.object,super.update(e)}}const rc=ln(tc,tc.DIRECTION),sc=ln(tc,tc.WORLD_MATRIX),ic=ln(tc,tc.POSITION),nc=ln(tc,tc.SCALE),ac=ln(tc,tc.VIEW_POSITION),oc=ln(tc,tc.RADIUS),uc=Aa(new n).onObjectUpdate(({object:e},t)=>t.value.getNormalMatrix(e.matrixWorld)),lc=Aa(new a).onObjectUpdate(({object:e},t)=>t.value.copy(e.matrixWorld).invert()),dc=gn(e=>e.context.modelViewMatrix||cc).once()().toVar("modelViewMatrix"),cc=$d.mul(sc),hc=gn(e=>(e.context.isHighPrecisionModelViewMatrix=!0,Aa("mat4").onObjectUpdate(({object:e,camera:t})=>e.modelViewMatrix.multiplyMatrices(t.matrixWorldInverse,e.matrixWorld)))).once()().toVar("highpModelViewMatrix"),pc=gn(e=>{const t=e.context.isHighPrecisionModelViewMatrix;return Aa("mat3").onObjectUpdate(({object:e,camera:r})=>(!0!==t&&e.modelViewMatrix.multiplyMatrices(r.matrixWorldInverse,e.matrixWorld),e.normalMatrix.getNormalMatrix(e.modelViewMatrix)))}).once()().toVar("highpModelNormalViewMatrix"),gc=gn(e=>"fragment"!==e.shaderStage?(v("TSL: `clipSpace` is only available in fragment stage."),Ln()):e.context.clipSpace.toVarying("v_clipSpace")).once()(),mc=jl("position","vec3"),fc=mc.toVarying("positionLocal"),yc=mc.toVarying("positionPrevious"),bc=gn(e=>sc.mul(fc).xyz.toVarying(e.getSubBuildProperty("v_positionWorld")),"vec3").once(["POSITION"])(),xc=gn(()=>fc.transformDirection(sc).toVarying("v_positionWorldDirection").normalize().toVar("positionWorldDirection"),"vec3").once(["POSITION"])(),Tc=gn(e=>{if("fragment"===e.shaderStage&&e.material.vertexNode){const e=Gd.mul(gc);return e.xyz.div(e.w).toVar("positionView")}return e.context.setupPositionView().toVarying("v_positionView")},"vec3").once(["POSITION","VERTEX"])(),_c=gn(e=>{let t;return t=e.camera.isOrthographicCamera?An(0,0,1):Tc.negate().toVarying("v_positionViewDirection").normalize(),t.toVar("positionViewDirection")},"vec3").once(["POSITION"])();class vc extends pi{static get type(){return"FrontFacingNode"}constructor(){super("bool"),this.isFrontFacingNode=!0}generate(e){if("fragment"!==e.shaderStage)return"true";const{material:t}=e;return t.side===F?"false":e.getFrontFacing()}}const Nc=ln(vc),Sc=Tn(Nc).mul(2).sub(1),Rc=gn(([e],{material:t})=>{const r=t.side;return r===F?e=e.mul(-1):r===P&&(e=e.mul(Sc)),e}),Ec=jl("normal","vec3"),wc=gn(e=>!1===e.geometry.hasAttribute("normal")?(d('TSL: Vertex attribute "normal" not found on geometry.'),An(0,1,0)):Ec,"vec3").once()().toVar("normalLocal"),Ac=Tc.dFdx().cross(Tc.dFdy()).normalize().toVar("normalFlat"),Cc=gn(e=>{let t;return t=e.isFlatShading()?Ac:Uc(wc).toVarying("v_normalViewGeometry").normalize(),t},"vec3").once()().toVar("normalViewGeometry"),Mc=gn(e=>{let t=Cc.transformNormalByInverseViewMatrix($d);return!0!==e.isFlatShading()&&(t=t.toVarying("v_normalWorldGeometry")),t.normalize().toVar("normalWorldGeometry")},"vec3").once()(),Bc=gn(e=>{let t;return"NORMAL"===e.subBuildFn||"VERTEX"===e.subBuildFn?(t=Cc,!0!==e.isFlatShading()&&(t=Rc(t))):t=e.context.setupNormal().context({getUV:null,getTextureLevel:null}),t},"vec3").once(["NORMAL","VERTEX"])().toVar("normalView"),Lc=Bc.transformNormalByInverseViewMatrix($d).toVar("normalWorld"),Fc=gn(({subBuildFn:e,context:t})=>{let r;return r="NORMAL"===e||"VERTEX"===e?Bc:t.setupClearcoatNormal().context({getUV:null,getTextureLevel:null}),r},"vec3").once(["NORMAL","VERTEX"])().toVar("clearcoatNormalView"),Pc=gn(([e,t=sc])=>In(t).inverse().transpose().mul(e).normalize());Ai("transformNormal",Pc);const Uc=gn(([e],t)=>{const r=t.context.modelNormalViewMatrix;if(r)return e.transformNormalByViewMatrix(r);return uc.mul(e).transformNormalByViewMatrix($d)}),Dc=gn(()=>(d('TSL: "transformedNormalView" is deprecated. Use "normalView" instead.'),Bc)).once(["NORMAL","VERTEX"])(),Ic=gn(()=>(d('TSL: "transformedNormalWorld" is deprecated. Use "normalWorld" instead.'),Lc)).once(["NORMAL","VERTEX"])(),Oc=gn(()=>(d('TSL: "transformedClearcoatNormalView" is deprecated. Use "clearcoatNormalView" instead.'),Fc)).once(["NORMAL","VERTEX"])(),Vc=new a,kc=Aa(0).onReference(({material:e})=>e).onObjectUpdate(({material:e})=>e.refractionRatio),Gc=Aa(1).onReference(({material:e})=>e).onObjectUpdate(function({material:e,scene:t}){return e.envMap?e.envMapIntensity:t.environmentIntensity}),$c=Aa(new a).onReference(function(e){return e.material}).onObjectUpdate(function({material:e,scene:t}){const r=null!==t.environment&&null===e.envMap?t.environmentRotation:e.envMapRotation;return r?Vc.makeRotationFromEuler(r).transpose():Vc.identity(),Vc}),zc=_c.negate().reflect(Bc),Wc=_c.negate().refract(Bc,kc),Hc=zc.transformDirection(zd).toVar("reflectVector"),jc=Wc.transformDirection(zd).toVar("refractVector"),qc=new U;class Xc extends ed{static get type(){return"CubeTextureNode"}constructor(e,t=null,r=null,s=null){super(e,t,r,s),this.isCubeTextureNode=!0}getInputType(){return!0===this.value.isDepthTexture?"cubeDepthTexture":"cubeTexture"}getDefaultUV(){const e=this.value;return e.mapping===D?Hc:e.mapping===I?jc:(o('CubeTextureNode: Mapping "%s" not supported.',e.mapping),An(0,0,0))}setUpdateMatrix(){}setupUV(e,t){const r=this.value;return!0===r.isDepthTexture?e.renderer.coordinateSystem===h?An(t.x,t.y.negate(),t.z):t:(t=$c.mul(t),e.renderer.coordinateSystem!==h&&r.isRenderTargetTexture||(t=An(t.x.negate(),t.yz)),t)}generateUV(e,t){return t.build(e,!0===this.sampler?"vec3":"ivec3")}}const Yc=un(Xc).setParameterLength(1,4).setName("cubeTexture"),Qc=(e=qc,t=null,r=null,s=null)=>{let i;return e&&!0===e.isCubeTextureNode?(i=sn(e.clone()),i.referenceNode=e,null!==t&&(i.uvNode=sn(t)),null!==r&&(i.levelNode=sn(r)),null!==s&&(i.biasNode=sn(s))):i=Yc(e,t,r,s),i};class Kc extends gi{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}generateNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(e),s=this.getNodeType(e);return e.format(t,r,s)}}class Zc extends pi{static get type(){return"ReferenceNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.name=null,this.updateType=ii.OBJECT}element(e){return new Kc(this,sn(e))}setGroup(e){return this.group=e,this}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.'),this.setName(e)}setNodeType(e){let t=null;t=null!==this.count?nd(null,e,this.count):Array.isArray(this.getValueFromReference())?ud(null,e):"texture"===e?rd(null):"cubeTexture"===e?Qc(null):Aa(null,e),null!==this.group&&t.setGroup(this.group),null!==this.name&&t.setName(this.name),this.node=t}generateNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;e<t.length;e++)r=r[t[e]];return r}updateReference(e){return this.reference=null!==this.object?this.object:e.object,this.reference}setup(){return this.updateValue(),this.node}update(){this.updateValue()}updateValue(){null===this.node&&this.setNodeType(this.uniformType);const e=this.getValueFromReference();Array.isArray(e)?this.node.array=e:this.node.value=e}}const Jc=(e,t,r)=>new Zc(e,t,r),eh=(e,t,r,s)=>new Zc(e,t,s,r);class th extends Zc{static get type(){return"MaterialReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.material=r,this.isMaterialReferenceNode=!0}updateReference(e){return this.reference=null!==this.material?this.material:e.material,this.reference}}const rh=(e,t,r=null)=>new th(e,t,r),sh=ql(),ih=Tc.dFdx(),nh=Tc.dFdy(),ah=sh.dFdx(),oh=sh.dFdy(),uh=Bc,lh=nh.cross(uh),dh=uh.cross(ih),ch=lh.mul(ah.x).add(dh.mul(oh.x)),hh=lh.mul(ah.y).add(dh.mul(oh.y)),ph=ch.dot(ch).max(hh.dot(hh)),gh=ph.equal(0).select(0,ph.inverseSqrt()),mh=ch.mul(gh).toVar("tangentViewFrame"),fh=hh.mul(gh).toVar("bitangentViewFrame"),yh=jl("tangent","vec4"),bh=yh.xyz.toVar("tangentLocal"),xh=gn(e=>{let t;return t="VERTEX"===e.subBuildFn||e.geometry.hasAttribute("tangent")?dc.mul(Ln(bh,0)).xyz.toVarying("v_tangentView").normalize():mh,!0!==e.isFlatShading()&&(t=Rc(t)),t},"vec3").once(["NORMAL","VERTEX"])().toVar("tangentView"),Th=xh.transformDirection(zd).toVarying("v_tangentWorld").normalize().toVar("tangentWorld"),_h=gn(([e,t],r)=>{let s=e.mul(yh.w).xyz;return"NORMAL"===r.subBuildFn&&!0!==r.isFlatShading()&&(s=s.toVarying(t)),s}).once(["NORMAL"]),vh=_h(Ec.cross(yh),"v_bitangentGeometry").normalize().toVar("bitangentGeometry"),Nh=_h(wc.cross(bh),"v_bitangentLocal").normalize().toVar("bitangentLocal"),Sh=gn(e=>{let t;return t="VERTEX"===e.subBuildFn||e.geometry.hasAttribute("tangent")?_h(Bc.cross(xh),"v_bitangentView").normalize():fh,!0!==e.isFlatShading()&&(t=Rc(t)),t},"vec3").once(["NORMAL","VERTEX"])().toVar("bitangentView"),Rh=_h(Lc.cross(Th),"v_bitangentWorld").normalize().toVar("bitangentWorld"),Eh=In(xh,Sh,Bc).toVar("TBNViewMatrix"),wh=_c.mul(Eh),Ah=gn(()=>{let e=na.cross(_c);return e=e.cross(na).normalize(),e=xu(e,Bc,sa.mul(qn.oneMinus()).oneMinus().pow2().pow2()).normalize(),e}).once()(),Ch=e=>sn(e).mul(.5).add(.5),Mh=e=>sn(e).mul(2).sub(1),Bh=e=>An(e,So(_u(Tn(1).sub(uu(e,e)))));class Lh extends fi{static get type(){return"NormalMapNode"}constructor(e,t=null){super("vec3"),this.node=e,this.scaleNode=t,this.normalMapType=O,this.unpackNormalMode=V}setup(e){const{normalMapType:t,scaleNode:r,unpackNormalMode:s}=this;let i=this.node.mul(2).sub(1);if(t===O?s===k?i=Bh(i.xy):s===G?i=Bh(i.yw):s!==V&&o(`THREE.NodeMaterial: Unexpected unpack normal mode: ${s}`):s!==V&&o(`THREE.NodeMaterial: Normal map type '${t}' is not compatible with unpack normal mode '${s}'`),null!==r){let t=r;!0===e.isFlatShading()&&(t=Rc(t)),i=An(i.xy.mul(t),i.z)}let n=null;return t===$?n=Uc(i):t===O?n=Eh.mul(i).normalize():(o(`NodeMaterial: Unsupported normal map type: ${t}`),n=Bc),n}}const Fh=un(Lh).setParameterLength(1,2),Ph=gn(({textureNode:e,bumpScale:t})=>{const r=t=>e.isolate().context({getUV:e=>t(e.uvNode||ql()),forceUVContext:!0}),s=Tn(r(e=>e));return Sn(Tn(r(e=>e.add(e.dFdx()))).sub(s),Tn(r(e=>e.add(e.dFdy()))).sub(s)).mul(t)}),Uh=gn(e=>{const{surf_pos:t,surf_norm:r,dHdxy:s}=e,i=t.dFdx().normalize(),n=r,a=t.dFdy().normalize().cross(n),o=n.cross(i),u=i.dot(a).mul(Sc),l=u.sign().mul(s.x.mul(a).add(s.y.mul(o)));return u.abs().mul(r).sub(l).normalize()});class Dh extends fi{static get type(){return"BumpMapNode"}constructor(e,t=null){super("vec3"),this.textureNode=e,this.scaleNode=t}setup(){const e=null!==this.scaleNode?this.scaleNode:1,t=Ph({textureNode:this.textureNode,bumpScale:e});return Uh({surf_pos:Tc,surf_norm:Bc,dHdxy:t})}}const Ih=un(Dh).setParameterLength(1,2),Oh=new Map;class Vh extends pi{static get type(){return"MaterialNode"}constructor(e){super(),this.scope=e}getCache(e,t){let r=Oh.get(e);return void 0===r&&(r=rh(e,t),Oh.set(e,r)),r}getFloat(e){return this.getCache(e,"float")}getColor(e){return this.getCache(e,"color")}getTexture(e){return this.getCache("map"===e?"map":e+"Map","texture")}setup(e){const t=e.context.material,r=this.scope;let s=null;if(r===Vh.COLOR){const e=void 0!==t.color?this.getColor(r):An();s=t.map&&!0===t.map.isTexture?e.mul(this.getTexture("map")):e}else if(r===Vh.OPACITY){const e=this.getFloat(r);s=t.alphaMap&&!0===t.alphaMap.isTexture?e.mul(this.getTexture("alpha")):e}else if(r===Vh.SPECULAR_STRENGTH)s=t.specularMap&&!0===t.specularMap.isTexture?this.getTexture("specular").r:Tn(1);else if(r===Vh.SPECULAR_INTENSITY){const e=this.getFloat(r);s=t.specularIntensityMap&&!0===t.specularIntensityMap.isTexture?e.mul(this.getTexture(r).a):e}else if(r===Vh.SPECULAR_COLOR){const e=this.getColor(r);s=t.specularColorMap&&!0===t.specularColorMap.isTexture?e.mul(this.getTexture(r).rgb):e}else if(r===Vh.ROUGHNESS){const e=this.getFloat(r);s=t.roughnessMap&&!0===t.roughnessMap.isTexture?e.mul(this.getTexture(r).g):e}else if(r===Vh.METALNESS){const e=this.getFloat(r);s=t.metalnessMap&&!0===t.metalnessMap.isTexture?e.mul(this.getTexture(r).b):e}else if(r===Vh.EMISSIVE){const e=this.getFloat("emissiveIntensity"),i=this.getColor(r).mul(e);s=t.emissiveMap&&!0===t.emissiveMap.isTexture?i.mul(this.getTexture(r)):i}else if(r===Vh.NORMAL)t.normalMap?(s=Fh(this.getTexture("normal"),this.getCache("normalScale","vec2")),s.normalMapType=t.normalMapType,t.normalMap.format!=z&&t.normalMap.format!=W&&t.normalMap.format!=H||(s.unpackNormalMode=k)):s=t.bumpMap?Ih(this.getTexture("bump").r,this.getFloat("bumpScale")):Bc;else if(r===Vh.CLEARCOAT){const e=this.getFloat(r);s=t.clearcoatMap&&!0===t.clearcoatMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===Vh.CLEARCOAT_ROUGHNESS){const e=this.getFloat(r);s=t.clearcoatRoughnessMap&&!0===t.clearcoatRoughnessMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===Vh.CLEARCOAT_NORMAL)s=t.clearcoatNormalMap?Fh(this.getTexture(r),this.getCache(r+"Scale","vec2")):Bc;else if(r===Vh.SHEEN){const e=this.getColor("sheenColor").mul(this.getFloat("sheen"));s=t.sheenColorMap&&!0===t.sheenColorMap.isTexture?e.mul(this.getTexture("sheenColor").rgb):e}else if(r===Vh.SHEEN_ROUGHNESS){const e=this.getFloat(r);s=t.sheenRoughnessMap&&!0===t.sheenRoughnessMap.isTexture?e.mul(this.getTexture(r).a):e,s=s.clamp(1e-4,1)}else if(r===Vh.ANISOTROPY)if(t.anisotropyMap&&!0===t.anisotropyMap.isTexture){const e=this.getTexture(r);s=Dn(Np.x,Np.y,Np.y.negate(),Np.x).mul(e.rg.mul(2).sub(Sn(1)).normalize().mul(e.b))}else s=Np;else if(r===Vh.IRIDESCENCE_THICKNESS){const e=Jc("1","float",t.iridescenceThicknessRange);if(t.iridescenceThicknessMap){const i=Jc("0","float",t.iridescenceThicknessRange);s=e.sub(i).mul(this.getTexture(r).g).add(i)}else s=e}else if(r===Vh.TRANSMISSION){const e=this.getFloat(r);s=t.transmissionMap?e.mul(this.getTexture(r).r):e}else if(r===Vh.THICKNESS){const e=this.getFloat(r);s=t.thicknessMap?e.mul(this.getTexture(r).g):e}else if(r===Vh.IOR)s=this.getFloat(r);else if(r===Vh.LIGHT_MAP)s=t.lightMap?this.getTexture(r).rgb.mul(this.getFloat("lightMapIntensity")):An(0);else if(r===Vh.AO)s=t.aoMap?this.getTexture(r).r.sub(1).mul(this.getFloat("aoMapIntensity")).add(1):Tn(1);else if(r===Vh.LINE_DASH_OFFSET)s=t.dashOffset?this.getFloat(r):Tn(0);else{const t=this.getNodeType(e);s=this.getCache(r,t)}return s}}Vh.ALPHA_TEST="alphaTest",Vh.COLOR="color",Vh.OPACITY="opacity",Vh.SHININESS="shininess",Vh.SPECULAR="specular",Vh.SPECULAR_STRENGTH="specularStrength",Vh.SPECULAR_INTENSITY="specularIntensity",Vh.SPECULAR_COLOR="specularColor",Vh.REFLECTIVITY="reflectivity",Vh.ROUGHNESS="roughness",Vh.METALNESS="metalness",Vh.NORMAL="normal",Vh.CLEARCOAT="clearcoat",Vh.CLEARCOAT_ROUGHNESS="clearcoatRoughness",Vh.CLEARCOAT_NORMAL="clearcoatNormal",Vh.EMISSIVE="emissive",Vh.ROTATION="rotation",Vh.SHEEN="sheen",Vh.SHEEN_ROUGHNESS="sheenRoughness",Vh.ANISOTROPY="anisotropy",Vh.IRIDESCENCE="iridescence",Vh.IRIDESCENCE_IOR="iridescenceIOR",Vh.IRIDESCENCE_THICKNESS="iridescenceThickness",Vh.IOR="ior",Vh.TRANSMISSION="transmission",Vh.THICKNESS="thickness",Vh.ATTENUATION_DISTANCE="attenuationDistance",Vh.ATTENUATION_COLOR="attenuationColor",Vh.LINE_SCALE="scale",Vh.LINE_DASH_SIZE="dashSize",Vh.LINE_GAP_SIZE="gapSize",Vh.LINE_WIDTH="linewidth",Vh.LINE_DASH_OFFSET="dashOffset",Vh.POINT_SIZE="size",Vh.DISPERSION="dispersion",Vh.LIGHT_MAP="light",Vh.AO="ao";const kh=ln(Vh,Vh.ALPHA_TEST),Gh=ln(Vh,Vh.COLOR),$h=ln(Vh,Vh.SHININESS),zh=ln(Vh,Vh.EMISSIVE),Wh=ln(Vh,Vh.OPACITY),Hh=ln(Vh,Vh.SPECULAR),jh=ln(Vh,Vh.SPECULAR_INTENSITY),qh=ln(Vh,Vh.SPECULAR_COLOR),Xh=ln(Vh,Vh.SPECULAR_STRENGTH),Yh=ln(Vh,Vh.REFLECTIVITY),Qh=ln(Vh,Vh.ROUGHNESS),Kh=ln(Vh,Vh.METALNESS),Zh=ln(Vh,Vh.NORMAL),Jh=ln(Vh,Vh.CLEARCOAT),ep=ln(Vh,Vh.CLEARCOAT_ROUGHNESS),tp=ln(Vh,Vh.CLEARCOAT_NORMAL),rp=ln(Vh,Vh.ROTATION),sp=ln(Vh,Vh.SHEEN),ip=ln(Vh,Vh.SHEEN_ROUGHNESS),np=ln(Vh,Vh.ANISOTROPY),ap=ln(Vh,Vh.IRIDESCENCE),op=ln(Vh,Vh.IRIDESCENCE_IOR),up=ln(Vh,Vh.IRIDESCENCE_THICKNESS),lp=ln(Vh,Vh.TRANSMISSION),dp=ln(Vh,Vh.THICKNESS),cp=ln(Vh,Vh.IOR),hp=ln(Vh,Vh.ATTENUATION_DISTANCE),pp=ln(Vh,Vh.ATTENUATION_COLOR),gp=ln(Vh,Vh.LINE_SCALE),mp=ln(Vh,Vh.LINE_DASH_SIZE),fp=ln(Vh,Vh.LINE_GAP_SIZE),yp=ln(Vh,Vh.LINE_WIDTH),bp=ln(Vh,Vh.LINE_DASH_OFFSET),xp=ln(Vh,Vh.POINT_SIZE),Tp=ln(Vh,Vh.DISPERSION),_p=ln(Vh,Vh.LIGHT_MAP),vp=ln(Vh,Vh.AO),Np=Aa(new t).onReference(function(e){return e.material}).onRenderUpdate(function({material:e}){this.value.set(e.anisotropy*Math.cos(e.anisotropyRotation),e.anisotropy*Math.sin(e.anisotropyRotation))}),Sp=gn(e=>e.context.setupModelViewProjection(),"vec4").once()().toVarying("v_modelViewProjection");class Rp extends pi{static get type(){return"EventNode"}constructor(e,t){super("void"),this.eventType=e,this.callback=t,e===Rp.OBJECT?this.updateType=ii.OBJECT:e===Rp.MATERIAL?this.updateType=ii.RENDER:e===Rp.FRAME?this.updateType=ii.FRAME:e===Rp.BEFORE_OBJECT?this.updateBeforeType=ii.OBJECT:e===Rp.BEFORE_MATERIAL?this.updateBeforeType=ii.RENDER:e===Rp.BEFORE_FRAME&&(this.updateBeforeType=ii.FRAME)}update(e){this.callback(e)}updateBefore(e){this.callback(e)}}Rp.OBJECT="object",Rp.MATERIAL="material",Rp.FRAME="frame",Rp.BEFORE_OBJECT="beforeObject",Rp.BEFORE_MATERIAL="beforeMaterial",Rp.BEFORE_FRAME="beforeFrame";const Ep=(e,t)=>new Rp(e,t).toStack(),wp=e=>Ep(Rp.OBJECT,e),Ap=e=>Ep(Rp.FRAME,e);class Cp extends gi{static get type(){return"StorageArrayElementNode"}constructor(e,t){super(e,t),this.isStorageArrayElementNode=!0}set storageBufferNode(e){this.node=e}get storageBufferNode(){return this.node}getMemberType(e,t){const r=this.storageBufferNode.structTypeNode;return r?r.getMemberType(e,t):"void"}setup(e){return!1===e.isAvailable("storageBuffer")&&!0===this.node.isPBO&&e.setupPBO(this.node),super.setup(e)}generate(e,t){let r;const s=e.isContextAssign();if(r=!1===e.isAvailable("storageBuffer")?!0!==this.node.isPBO||!0===s||!this.node.value.isInstancedBufferAttribute&&"compute"===e.shaderStage?this.node.build(e):e.generatePBO(this):super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}const Mp=un(Cp).setParameterLength(2);class Bp extends id{static get type(){return"StorageBufferNode"}constructor(e,t=null,r=0){let s,i=null;t&&t.isStructTypeNode?(s="struct",i=t,(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)&&(r=e.count)):null===t&&(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)?(s=js(e.itemSize),r=e.count):s=t,super(e,s,r),this.isStorageBufferNode=!0,this.structTypeNode=i,this.access=ai.READ_WRITE,this.isAtomic=!1,this.isPBO=!1,this._attribute=null,this._varying=null,this.global=!0,!0!==e.isStorageBufferAttribute&&!0!==e.isStorageInstancedBufferAttribute&&(e.isInstancedBufferAttribute?e.isStorageInstancedBufferAttribute=!0:e.isStorageBufferAttribute=!0)}getHash(e){let t;if(0===this.bufferCount){let r=e.globalCache.getData(this.value);void 0===r&&(r={node:this},e.globalCache.setData(this.value,r)),t=r.node.id}else t=this.id;return String(t)}getInputType(){return this.value.isIndirectStorageBufferAttribute?"indirectStorageBuffer":"storageBuffer"}element(e){return Mp(this,e)}setPBO(e){return this.isPBO=e,this}getPBO(){return this.isPBO}setAccess(e){return this.access=e,this}toReadOnly(){return this.setAccess(ai.READ_ONLY)}setAtomic(e){return this.isAtomic=e,this}toAtomic(){return this.setAtomic(!0)}getAttributeData(){return null===this._attribute&&(this._attribute=pl(this.value),this._varying=Xu(this._attribute)),{attribute:this._attribute,varying:this._varying}}generateNodeType(e){if(null!==this.structTypeNode)return this.structTypeNode.getNodeType(e);if(e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.generateNodeType(e);const{attribute:t}=this.getAttributeData();return t.getNodeType(e)}getMemberType(e,t){return null!==this.structTypeNode?this.structTypeNode.getMemberType(e,t):"void"}generate(e){if(null!==this.structTypeNode&&this.structTypeNode.build(e),e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.generate(e);const{attribute:t,varying:r}=this.getAttributeData(),s=r.build(e);return e.registerTransform(s,t),s}}const Lp=(e,t=null,r=0)=>new Bp(e,t,r),Fp=new WeakMap,Pp=new WeakMap,Up=new WeakMap;function Dp(e,t,r){let s;if(!0===t.isStorageInstancedBufferAttribute)s=Lp(t,"mat4",Math.max(r,1)).element(bl);else{if(16*r*4<=e.getUniformBufferLimit())s=nd(t.array,"mat4",Math.max(r,1)).element(bl);else{let e=Fp.get(t);e||(e=new q(t.array,16,1),Fp.set(t,e));const r=t.usage===x?ml:gl,i=[r(e,"vec4",16,0),r(e,"vec4",16,4),r(e,"vec4",16,8),r(e,"vec4",16,12)];s=On(...i)}}return s}const Ip=zn("vec3","vInstanceColor"),Op=gn(([e,t,r=null],s)=>{e=e.value;const i=!0===t.isStorageInstancedBufferAttribute,n=r&&!0===r.isStorageInstancedBufferAttribute,a=Dp(s,t,e);let o=null;if(!i){16*e*4>s.getUniformBufferLimit()&&(o=Fp.get(t))}let u=null,l=null;if(r)if(n)u=Lp(r,"vec3",Math.max(r.count,1)).element(bl);else{let e=Pp.get(r);e||(e=new j(r.array,3),Pp.set(r,e)),l=e;const t=r.usage===x?ml:gl;u=An(t(e,"vec3",3,0))}null===o&&null===l||Ap(()=>{null!==o&&(o.clearUpdateRanges(),o.updateRanges.push(...t.updateRanges),t.version!==o.version&&(o.version=t.version)),r&&null!==l&&(l.clearUpdateRanges(),l.updateRanges.push(...r.updateRanges),r.version!==l.version&&(l.version=r.version))});const d=a.mul(fc).xyz;if(fc.assign(d),s.needsPreviousData()){const r=s.object;wp(({object:e})=>{Up.get(e).previousInstanceMatrix.array.set(t.array)});const i=function(e,t,r,s){let i=Up.get(e);if(void 0===i){const n=t.clone();i={previousInstanceMatrix:n,node:Dp(r,n,s)},Up.set(e,i)}return i.node}(r,t,s,e);yc.assign(i.mul(yc).xyz)}if(s.hasGeometryAttribute("normal")){const e=Pc(wc,a);wc.assign(e)}null!==u&&Ip.assign(u)},"void"),Vp=gn(([e])=>{const{count:t,instanceMatrix:r,instanceColor:s}=e;Op(t,r,s)},"void"),kp=gn(([e,t])=>{const r=_n(Yl(sd(e),0).x).toConst(),s=_n(t),i=s.mod(r).toConst(),n=s.div(r).toConst();return sd(e,Rn(i,n)).rgb}),Gp=gn(([e,t])=>{const r=_n(Yl(sd(e),0).x).toConst(),s=_n(t).mod(r).toConst(),i=_n(t).div(r).toConst();return sd(e,Rn(s,i)).x}),$p=zn("vec3","vBatchColor"),zp=gn(([e],t)=>{const r=null===t.getDrawIndex()?bl:vl,s=Gp(e._indirectTexture,_n(r)),i=e._matricesTexture,n=_n(Yl(sd(i),0).x).toConst(),a=Tn(s).mul(4).toInt().toConst(),o=a.mod(n).toConst(),u=a.div(n).toConst(),l=On(sd(i,Rn(o,u)),sd(i,Rn(o.add(1),u)),sd(i,Rn(o.add(2),u)),sd(i,Rn(o.add(3),u))),d=e._colorsTexture;if(null!==d){const e=kp(d,s);$p.assign(e)}const c=In(l);fc.assign(l.mul(fc));const h=wc.div(An(c[0].dot(c[0]),c[1].dot(c[1]),c[2].dot(c[2]))),p=c.mul(h).xyz;wc.assign(p),t.hasGeometryAttribute("tangent")&&bh.mulAssign(c)},"void"),Wp=new WeakMap,Hp=new WeakMap;function jp(e,t,r,s,i,n){const a=e.element(i.x),o=e.element(i.y),u=e.element(i.z),l=e.element(i.w),d=r.mul(t),c=Ia(a.mul(n.x).mul(d),o.mul(n.y).mul(d),u.mul(n.z).mul(d),l.mul(n.w).mul(d));return s.mul(c).xyz}function qp(e,t,r,s,i,n,a){const o=e.element(n.x),u=e.element(n.y),l=e.element(n.z),d=e.element(n.w);let c=Ia(a.x.mul(o),a.y.mul(u),a.z.mul(l),a.w.mul(d));c=i.mul(c).mul(s);return{skinNormal:c.transformDirection(t).xyz,skinTangent:c.transformDirection(r).xyz}}function Xp(e,t,r,s,i){const n=e.skeleton;let a=Hp.get(n);if(void 0===a){n.update();const e=new Float32Array(n.boneMatrices);a={previousBoneMatrices:e,node:nd(e,"mat4",n.bones.length)},Hp.set(n,a)}return jp(a.node,yc,t,r,s,i)}const Yp=gn(([e],t)=>{const r=jl("skinIndex","uvec4"),s=jl("skinWeight","vec4"),i=Jc("bindMatrix","mat4"),n=Jc("bindMatrixInverse","mat4"),a=eh("skeleton.boneMatrices","mat4",e.skeleton.bones.length);if(wp(({object:e,frameId:t})=>{const r=e.skeleton;if(Wp.get(r)!==t){Wp.set(r,t);const e=Hp.get(r);void 0!==e&&e.previousBoneMatrices.set(r.boneMatrices),r.update()}}),t.needsPreviousData()){const t=Xp(e,i,n,r,s);yc.assign(t)}const o=jp(a,fc,i,n,r,s);if(fc.assign(o),t.hasGeometryAttribute("normal")){const{skinNormal:e,skinTangent:o}=qp(a,wc,bh,i,n,r,s);wc.assign(e),t.hasGeometryAttribute("tangent")&&bh.assign(o)}},"void"),Qp=gn(([e,t=null],r)=>{const s=Lp(new j(e.geometry.getAttribute("position").array,3),"vec3").setPBO(!0).toReadOnly().element(bl).toVar(),i=Lp(new j(new Uint32Array(e.geometry.getAttribute("skinIndex").array),4),"uvec4").setPBO(!0).toReadOnly().element(bl).toVar(),n=Lp(new j(e.geometry.getAttribute("skinWeight").array,4),"vec4").setPBO(!0).toReadOnly().element(bl).toVar(),a=Aa(e.bindMatrix,"mat4"),o=Aa(e.bindMatrixInverse,"mat4"),u=nd(e.skeleton.boneMatrices,"mat4",e.skeleton.bones.length),l=e.skeleton;if(wp(({frameId:e})=>{if(Wp.get(l)!==e){Wp.set(l,e);const t=Hp.get(l);void 0!==t&&t.previousBoneMatrices.set(l.boneMatrices),l.update()}}),r.needsPreviousData()){const t=Xp(e,a,o,i,n);yc.assign(t)}const d=jp(u,s,a,o,i,n);if(null!==t&&t.assign(d),r.hasGeometryAttribute("normal")){const{skinNormal:e,skinTangent:t}=qp(u,wc,bh,a,o,i,n);wc.assign(e),r.hasGeometryAttribute("tangent")&&bh.assign(t)}return d});class Kp extends pi{static get type(){return"LoopNode"}constructor(e=[]){super("void"),this.params=e}getVarName(e){return String.fromCharCode("i".charCodeAt(0)+e)}getProperties(e){const t=e.getNodeProperties(this);if(void 0!==t.stackNode)return t;const r={};for(let e=0,t=this.params.length-1;e<t;e++){const t=this.params[e],s=!0!==t.isNode&&t.name||this.getVarName(e),i=!0!==t.isNode&&t.type||"int";r[s]=Pl(s,i)}const s=e.addStack(),i=this.params[this.params.length-1](r);t.returnsNode=i.context({nodeLoop:i}),t.stackNode=s;const n=this.params[0];if(!0!==n.isNode&&"function"==typeof n.update){const e=gn(this.params[0].update)(r);t.updateNode=e.context({nodeLoop:e})}return e.removeStack(),t}setup(e){if(this.getProperties(e),e.fnCall){e.getDataFromNode(e.fnCall.shaderNode).hasLoop=!0}}generate(e){const t=this.getProperties(e),r=this.params,s=t.stackNode;for(let s=0,i=r.length-1;s<i;s++){const i=r[s];let n,a=!1,u=null,l=null,d=null,c=null,h=null,p=null;if(i.isNode?"bool"===i.getNodeType(e)?(a=!0,c="bool",l=i.build(e,c)):(c="int",d=this.getVarName(s),u="0",l=i.build(e,c),h="<"):(c=i.type||"int",d=i.name||this.getVarName(s),u=i.start,l=i.end,h=i.condition,p=i.update,"number"==typeof u?u=e.generateConst(c,u):u&&u.isNode&&(u=u.build(e,c)),"number"==typeof l?l=e.generateConst(c,l):l&&l.isNode&&(l=l.build(e,c)),void 0!==u&&void 0===l?(u+=" - 1",l="0",h=">="):void 0!==l&&void 0===u&&(u="0",h="<"),void 0===h&&(h=Number(u)>Number(l)?">=":"<")),a)n=`while ( ${l} )`;else{const r={start:u,end:l},s=r.start,i=r.end;let a;const g=()=>h.includes("<")?"+=":"-=";if(null!=p)switch(typeof p){case"function":a=e.flowStagesNode(t.updateNode,"void").code.replace(/\t|;/g,"");break;case"number":a=d+" "+g()+" "+e.generateConst(c,p);break;case"string":a=d+" "+p;break;default:p.isNode?a=d+" "+g()+" "+p.build(e):(o("TSL: 'Loop( { update: ... } )' is not a function, string or number.",this.stackTrace),a="break /* invalid update */")}else p="int"===c||"uint"===c?h.includes("<")?"++":"--":g()+" 1.",a=d+" "+p;n=`for ( ${e.getVar(c,d)+" = "+s}; ${d+" "+h+" "+i}; ${a} )`}e.addFlowCode((0===s?"\n":"")+e.tab+n+" {\n\n").addFlowTab()}const i=s.build(e,"void");t.returnsNode.build(e,"void"),e.removeFlowTab().addFlowCode("\n"+e.tab+i);for(let t=0,r=this.params.length-1;t<r;t++)e.addFlowCode((0===t?"":e.tab)+"}\n\n").removeFlowTab();e.addFlowTab()}}const Zp=(...e)=>new Kp(on(e,"int")).toStack(),Jp=()=>Pl("break").toStack(),eg=new WeakMap,tg=new s,rg=new WeakMap,sg=gn(({bufferMap:e,influence:t,stride:r,width:s,depth:i,offset:n})=>{const a=_n(yl).mul(r).add(n),o=a.div(s),u=a.sub(o.mul(s));return sd(e,Rn(u,o)).depth(i).xyz.mul(t)});const ig=Jc("morphTargetInfluences","float"),ng=gn(([e])=>{const{geometry:r}=e,s=void 0!==r.morphAttributes.position,i=r.hasAttribute("normal")&&void 0!==r.morphAttributes.normal,n=r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color,a=void 0!==n?n.length:0;if(0===a)return;let o=rg.get(e);o||(o=Aa(1),rg.set(e,o),wp(({object:e})=>{e.geometry.morphTargetsRelative?o.value=1:o.value=1-e.morphTargetInfluences.reduce((e,t)=>e+t,0)}));const{texture:u,stride:l,size:d}=function(e){const r=void 0!==e.morphAttributes.position,s=void 0!==e.morphAttributes.normal,i=void 0!==e.morphAttributes.color,n=e.morphAttributes.position||e.morphAttributes.normal||e.morphAttributes.color,a=void 0!==n?n.length:0;let o=eg.get(e);if(void 0===o||o.count!==a){void 0!==o&&o.texture.dispose();const u=e.morphAttributes.position||[],l=e.morphAttributes.normal||[],d=e.morphAttributes.color||[];let c=0;!0===r&&(c=1),!0===s&&(c=2),!0===i&&(c=3);let h=e.attributes.position.count*c,p=1;const g=4096;h>g&&(p=Math.ceil(h/g),h=g);const m=new Float32Array(h*p*4*a),f=new X(m,h,p,a);f.type=Y,f.needsUpdate=!0;const y=4*c;for(let x=0;x<a;x++){const T=u[x],_=l[x],v=d[x],N=h*p*4*x;for(let S=0;S<T.count;S++){const R=S*y;!0===r&&(tg.fromBufferAttribute(T,S),m[N+R+0]=tg.x,m[N+R+1]=tg.y,m[N+R+2]=tg.z,m[N+R+3]=0),!0===s&&(tg.fromBufferAttribute(_,S),m[N+R+4]=tg.x,m[N+R+5]=tg.y,m[N+R+6]=tg.z,m[N+R+7]=0),!0===i&&(tg.fromBufferAttribute(v,S),m[N+R+8]=tg.x,m[N+R+9]=tg.y,m[N+R+10]=tg.z,m[N+R+11]=4===v.itemSize?tg.w:1)}}function b(){f.dispose(),eg.delete(e),e.removeEventListener("dispose",b)}o={count:a,texture:f,stride:c,size:new t(h,p)},eg.set(e,o),e.addEventListener("dispose",b)}return o}(r);!0===s&&fc.mulAssign(o),!0===i&&wc.mulAssign(o);const c=_n(d.width);Zp(a,({i:t})=>{const r=Tn(0).toVar();e.count>1&&null!==e.morphTexture&&void 0!==e.morphTexture?r.assign(sd(e.morphTexture,Rn(_n(t).add(1),_n(bl))).r):r.assign(ig.element(t).toVar()),yn(r.notEqual(0),()=>{!0===s&&fc.addAssign(sg({bufferMap:u,influence:r,stride:l,width:c,depth:t,offset:_n(0)})),!0===i&&wc.addAssign(sg({bufferMap:u,influence:r,stride:l,width:c,depth:t,offset:_n(1)}))})})},"void");class ag extends pi{static get type(){return"LightingNode"}constructor(){super("vec3"),this.isLightingNode=!0}}class og extends ag{static get type(){return"AONode"}constructor(e=null){super(),this.aoNode=e}setup(e){e.context.ambientOcclusion.mulAssign(this.aoNode)}}class ug extends Fu{static get type(){return"LightingContextNode"}constructor(e,t=null,r=[],s=null,i=null){super(e),this.lightingModel=t,this.materialLightings=r,this.backdropNode=s,this.backdropAlphaNode=i,this._value=null}getContext(){const{materialLightings:e,backdropNode:t,backdropAlphaNode:r}=this,s={directDiffuse:An().toVar("directDiffuse"),directSpecular:An().toVar("directSpecular"),indirectDiffuse:An().toVar("indirectDiffuse"),indirectSpecular:An().toVar("indirectSpecular")};return{radiance:An().toVar("radiance"),irradiance:An().toVar("irradiance"),iblIrradiance:An().toVar("iblIrradiance"),ambientOcclusion:Tn(1).toVar("ambientOcclusion"),reflectedLight:s,materialLightings:e,backdrop:t,backdropAlpha:r}}setup(e){return this.value=this._value||(this._value=this.getContext()),this.value.lightingModel=this.lightingModel||e.context.lightingModel,super.setup(e)}}const lg=un(ug);class dg extends ag{static get type(){return"IrradianceNode"}constructor(e){super(),this.node=e}setup(e){e.context.irradiance.addAssign(this.node)}}const cg=new t;class hg extends ed{static get type(){return"ViewportTextureNode"}constructor(e=md,t=null,r=null){let s=null;null===r?(s=new Q,s.minFilter=K,r=s):s=r,super(r,e,t),this.generateMipmaps=!1,this.defaultFramebuffer=s,this.isOutputTextureNode=!0,this.updateBeforeType=ii.RENDER,this._cacheTextures=new WeakMap}getTextureForReference(e=null){let t,r;if(this.referenceNode?(t=this.referenceNode.defaultFramebuffer,r=this.referenceNode._cacheTextures):(t=this.defaultFramebuffer,r=this._cacheTextures),null===e)return t;if(!1===r.has(e)){const s=t.clone();r.set(e,s)}return r.get(e)}updateReference(e){const t=e.renderer,r=t.getRenderTarget(),s=t.getCanvasTarget(),i=r||s;return this.value=this.getTextureForReference(i),this.value}updateBefore(e){const t=e.renderer,r=t.getRenderTarget(),s=t.getCanvasTarget(),i=r||s;null===i?t.getDrawingBufferSize(cg):i.getDrawingBufferSize?i.getDrawingBufferSize(cg):cg.set(i.width,i.height);const n=this.getTextureForReference(i);n.image.width===cg.width&&n.image.height===cg.height||(n.image.width=cg.width,n.image.height=cg.height,n.needsUpdate=!0);const a=n.generateMipmaps;n.generateMipmaps=this.generateMipmaps,t.copyFramebufferToTexture(n),n.generateMipmaps=a}clone(){const e=new this.constructor(this.uvNode,this.levelNode,this.value);return e.generateMipmaps=this.generateMipmaps,e}}const pg=un(hg).setParameterLength(0,3),gg=un(hg,null,null,{generateMipmaps:!0}).setParameterLength(0,3),mg=gg(),fg=(e=md,t=null)=>mg.sample(e,t);let yg=null;class bg extends hg{static get type(){return"ViewportDepthTextureNode"}constructor(e=md,t=null,r=null){null===r&&(null===yg&&(yg=new Z),r=yg),super(e,t,r)}}const xg=un(bg).setParameterLength(0,3);class Tg extends pi{static get type(){return"ViewportDepthNode"}constructor(e,t=null){super("float"),this.scope=e,this.valueNode=t,this.isViewportDepthNode=!0}generate(e){const{scope:t}=this;return t===Tg.DEPTH_BASE?e.getFragDepth():super.generate(e)}setup({camera:e}){const{scope:t}=this,r=this.valueNode;let s=null;if(t===Tg.DEPTH_BASE)null!==r&&(s=wg().assign(r));else if(t===Tg.DEPTH)s=e.isPerspectiveCamera?Ng(Tc.z,Od,Vd):_g(Tc.z,Od,Vd);else if(t===Tg.LINEAR_DEPTH)if(null!==r)if(e.isPerspectiveCamera){const e=Rg(r,Od,Vd);s=_g(e,Od,Vd)}else s=r;else s=_g(Tc.z,Od,Vd);return s}}Tg.DEPTH_BASE="depthBase",Tg.DEPTH="depth",Tg.LINEAR_DEPTH="linearDepth";const _g=(e,t,r)=>e.add(t).div(t.sub(r)),vg=gn(([e,t,r],s)=>!0===s.renderer.reversedDepthBuffer?r.sub(t).mul(e).sub(r):t.sub(r).mul(e).sub(t)),Ng=(e,t,r)=>t.add(e).mul(r).div(r.sub(t).mul(e)),Sg=(e,t,r)=>t.mul(e.add(r)).div(e.mul(t.sub(r))),Rg=gn(([e,t,r],s)=>!0===s.renderer.reversedDepthBuffer?t.mul(r).div(t.sub(r).mul(e).sub(t)):t.mul(r).div(r.sub(t).mul(e).sub(r))),Eg=(e,t,r)=>{t=t.max(1e-6).toVar();const s=No(e.negate().div(t)),i=No(r.div(t));return s.div(i)},wg=un(Tg,Tg.DEPTH_BASE),Ag=ln(Tg,Tg.DEPTH),Cg=un(Tg,Tg.LINEAR_DEPTH).setParameterLength(0,1),Mg=Cg(xg());Ag.assign=e=>wg(e);class Bg extends pi{static get type(){return"ClippingNode"}constructor(e=Bg.DEFAULT){super(),this.scope=e}setup(e){super.setup(e);const t=e.clippingContext,{intersectionPlanes:r,unionPlanes:s}=t;return this.hardwareClipping=e.hardwareClipping,this.scope===Bg.ALPHA_TO_COVERAGE?this.setupAlphaToCoverage(r,s):this.scope===Bg.HARDWARE?this.setupHardwareClipping(s,e):this.setupDefault(r,s)}setupAlphaToCoverage(e,t){return gn(()=>{const r=Tn().toVar("distanceToPlane"),s=Tn().toVar("distanceToGradient"),i=Tn(1).toVar("clipOpacity"),n=t.length;if(!1===this.hardwareClipping&&n>0){const e=ud(t).setGroup(Ra);Zp(n,({i:t})=>{const n=e.element(t);r.assign(Tc.dot(n.xyz).negate().add(n.w)),s.assign(r.fwidth().div(2)),i.mulAssign(Nu(s.negate(),s,r))})}const a=e.length;if(a>0){const t=ud(e).setGroup(Ra),n=Tn(1).toVar("intersectionClipOpacity");Zp(a,({i:e})=>{const i=t.element(e);r.assign(Tc.dot(i.xyz).negate().add(i.w)),s.assign(r.fwidth().div(2)),n.mulAssign(Nu(s.negate(),s,r).oneMinus())}),i.mulAssign(n.oneMinus())}Wn.a.mulAssign(i),Wn.a.equal(0).discard()})()}setupDefault(e,t){return gn(()=>{const r=t.length;if(!1===this.hardwareClipping&&r>0){const e=ud(t).setGroup(Ra);Zp(r,({i:t})=>{const r=e.element(t);Tc.dot(r.xyz).greaterThan(r.w).discard()})}const s=e.length;if(s>0){const t=ud(e).setGroup(Ra),r=Nn(!0).toVar("clipped");Zp(s,({i:e})=>{const s=t.element(e);r.assign(Tc.dot(s.xyz).greaterThan(s.w).and(r))}),r.discard()}})()}setupHardwareClipping(e,t){const r=e.length;return t.enableHardwareClipping(r),gn(()=>{const s=ud(e).setGroup(Ra),i=dd(t.getClipDistance());Zp(r,({i:e})=>{const t=s.element(e),r=Tc.dot(t.xyz).sub(t.w).negate();i.element(e).assign(r)})})()}}Bg.ALPHA_TO_COVERAGE="alphaToCoverage",Bg.DEFAULT="default",Bg.HARDWARE="hardware";const Lg=gn(([e])=>Co(Va(1e4,Mo(Va(17,e.x).add(Va(.1,e.y)))).mul(Ia(.1,$o(Mo(Va(13,e.y).add(e.x))))))),Fg=gn(([e])=>Lg(Sn(Lg(e.xy),e.z))),Pg=gn(([e])=>{const t=su(Wo(qo(e.xyz)),Wo(Xo(e.xyz))),r=Tn(1).div(Tn(.05).mul(t)).toVar("pixScale"),s=Sn(_o(Eo(No(r))),_o(wo(No(r)))),i=Sn(Fg(Eo(s.x.mul(e.xyz))),Fg(Eo(s.y.mul(e.xyz)))),n=Co(No(r)),a=Ia(Va(n.oneMinus(),i.x),Va(n,i.y)),o=ru(n,n.oneMinus()),u=An(a.mul(a).div(Va(2,o).mul(Oa(1,o))),a.sub(Va(.5,o)).div(Oa(1,o)),Oa(1,Oa(1,a).mul(Oa(1,a)).div(Va(2,o).mul(Oa(1,o))))),l=a.lessThan(o.oneMinus()).select(a.lessThan(o).select(u.x,u.y),u.z);return Tu(l,1e-6,1)}).setLayout({name:"getAlphaHashThreshold",type:"float",inputs:[{name:"position",type:"vec3"}]});class Ug extends Hl{static get type(){return"VertexColorNode"}constructor(e){super(null,"vec4"),this.isVertexColorNode=!0,this.index=e}getAttributeName(){const e=this.index;return"color"+(e>0?e:"")}generate(e){const t=this.getAttributeName(e);let r;return r=!0===e.hasGeometryAttribute(t)?super.generate(e):e.generateConst(this.nodeType,new s(1,1,1,1)),r}serialize(e){super.serialize(e),e.index=this.index}deserialize(e){super.deserialize(e),this.index=e.index}}const Dg=(e=0)=>new Ug(e);class Ig extends J{static get type(){return"NodeMaterial"}get type(){return this.constructor.type}set type(e){}constructor(){super(),this.isNodeMaterial=!0,this.fog=!0,this.lights=!1,this.lightsNode=null,this.envNode=null,this.aoNode=null,this.colorNode=null,this.normalNode=null,this.opacityNode=null,this.backdropNode=null,this.backdropAlphaNode=null,this.alphaTestNode=null,this.maskNode=null,this.maskShadowNode=null,this.positionNode=null,this.geometryNode=null,this.depthNode=null,this.receivedShadowPositionNode=null,this.castShadowPositionNode=null,this.receivedShadowNode=null,this.castShadowNode=null,this.outputNode=null,this.mrtNode=null,this.fragmentNode=null,this.vertexNode=null,this.contextNode=null}_getNodeChildren(){const e=[];for(const t of Object.getOwnPropertyNames(this)){if(!0===t.startsWith("_"))continue;const r=this[t];r&&!0===r.isNode&&e.push({property:t,childNode:r})}return e}customProgramCacheKey(){const e=[];for(const{property:t,childNode:r}of this._getNodeChildren())e.push(Gs(t.slice(0,-4)),r.getCacheKey());return this.type+$s(e)}build(e){this.setup(e)}setupObserver(e){return new Is(e)}setup(e){e.context.setupNormal=()=>ju(this.setupNormal(e),"NORMAL","vec3"),e.context.setupPositionView=()=>this.setupPositionView(e),e.context.setupModelViewProjection=()=>this.setupModelViewProjection(e);const t=e.renderer,r=t.getRenderTarget();e.addStack();const s=this.setupVertex(e),i=ju(this.vertexNode||s,"VERTEX");let n;e.context.clipSpace=i,e.stack.outputNode=i,this.setupHardwareClipping(e),null!==this.geometryNode&&(e.stack.outputNode=e.stack.outputNode.bypass(this.geometryNode)),e.addFlow("vertex",e.removeStack()),e.addStack();const a=this.setupClipping(e);if(!0!==this.depthWrite&&!0!==this.depthTest||(null!==r?!0===r.depthBuffer&&this.setupDepth(e):!0===t.depth&&this.setupDepth(e)),null===this.fragmentNode){this.setupDiffuseColor(e),this.setupAmbientOcclusion(e),this.setupVariants(e);const s=this.setupLighting(e);null!==a&&e.stack.addToStack(a);const i=Ln(s,Wn.a).max(0);n=this.setupOutput(e,i),da.assign(n);const o=null!==this.outputNode;if(o&&(n=this.outputNode),e.context.getOutput&&(n=e.context.getOutput(n,e)),null!==r){const e=t.getMRT(),r=this.mrtNode;null!==e?(o&&da.assign(n),n=e,null!==r&&(n=e.merge(r))):null!==r&&(n=r)}}else{let t=this.fragmentNode;!0!==t.isOutputStructNode&&(t=t.convert(e.getOutputType())),n=this.setupOutput(e,t)}e.stack.outputNode=n,e.addFlow("fragment",e.removeStack()),e.observer=this.setupObserver(e)}setupClipping(e){if(null===e.clippingContext)return null;const{unionPlanes:t,intersectionPlanes:r}=e.clippingContext;let s=null;if(t.length>0||r.length>0){const t=e.renderer.currentSamples;this.alphaToCoverage&&t>1?s=new Bg(Bg.ALPHA_TO_COVERAGE):e.stack.addToStack(new Bg)}return s}setupHardwareClipping(e){if(e.hardwareClipping=!1,null===e.clippingContext)return;const t=e.clippingContext.unionPlanes.length;t>0&&t<=8&&e.isAvailable("clipDistance")&&(e.stack.addToStack(new Bg(Bg.HARDWARE)),e.hardwareClipping=!0)}setupDepth(e){const{renderer:t,camera:r}=e;let s=this.depthNode;if(null===s){const e=t.getMRT();e&&e.has("depth")?s=e.get("depth"):!0===t.logarithmicDepthBuffer&&(s=r.isPerspectiveCamera?Eg(Tc.z,Od,Vd):_g(Tc.z,Od,Vd))}null!==s&&Ag.assign(s).toStack()}setupPositionView(){return dc.mul(fc).xyz}setupModelViewProjection(){return kd.mul(Tc)}setupVertex(e){return e.addStack(),this.setupPosition(e),e.context.position=e.removeStack(),Sp}setupPosition(e){const{object:t,geometry:r}=e;if((r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color)&&ng(t),!0===t.isSkinnedMesh&&Yp(t),this.displacementMap){const e=rh("displacementMap","texture"),t=rh("displacementScale","float"),r=rh("displacementBias","float");fc.addAssign(wc.normalize().mul(e.x.mul(t).add(r)))}return t.isBatchedMesh&&zp(t),t.isInstancedMesh&&t.instanceMatrix&&!0===t.instanceMatrix.isInstancedBufferAttribute&&Vp(t),null!==this.positionNode&&fc.assign(ju(this.positionNode,"POSITION","vec3")),fc}setupDiffuseColor(e){const{object:t,geometry:r}=e;null!==this.maskNode&&Nn(this.maskNode).not().discard();let s=this.colorNode?Ln(this.colorNode):Gh;!0===this.vertexColors&&r.hasAttribute("color")&&(s=s.mul(Dg())),t.instanceColor&&(s=Ip.mul(s)),t.isBatchedMesh&&t._colorsTexture&&(s=$p.mul(s)),Wn.assign(s);const i=this.opacityNode?Tn(this.opacityNode):Wh;Wn.a.assign(Wn.a.mul(i));let n=null;(null!==this.alphaTestNode||this.alphaTest>0)&&(n=null!==this.alphaTestNode?Tn(this.alphaTestNode):kh,!0===this.alphaToCoverage?(Wn.a=Nu(n,n.add(Zo(Wn.a)),Wn.a),Wn.a.lessThanEqual(0).discard()):Wn.a.lessThanEqual(n).discard()),!0===this.alphaHash&&Wn.a.lessThan(Pg(fc)).discard(),e.isOpaque()&&Wn.a.assign(1)}setupVariants(){}setupOutgoingLight(){return!0===this.lights?An(0):Wn.rgb}setupNormal(){return this.normalNode?An(this.normalNode):Zh}setupEnvironment(){let e=null;return this.envNode?e=this.envNode:this.envMap&&(e=this.envMap.isCubeTexture?rh("envMap","cubeTexture"):rh("envMap","texture")),e}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new dg(_p)),t}setupMaterialLightings(e){const t=[];if(!1===e.renderer.lighting.enabled)return t;const r=this.setupEnvironment(e);r&&r.isLightingNode&&t.push(r);const s=this.setupLightMap(e);return s&&s.isLightingNode&&t.push(s),e.context.ambientOcclusion&&t.push(new og(e.context.ambientOcclusion)),t}setupAmbientOcclusion(e){let t=this.aoNode;null===t&&e.material.aoMap&&(t=vp),e.context.getAO&&(t=e.context.getAO(t,e)),null!==t&&(Ta.assign(t),e.context.ambientOcclusion=Ta)}setupLightingModel(){}setupLighting(e){const{material:t}=e,{backdropNode:r,backdropAlphaNode:s,emissiveNode:i}=this,n=!0===this.lights||null!==this.lightsNode,a=!0===this.lights?this.setupMaterialLightings(e):[],o=n?this.lightsNode||e.lightsNode:null;let u=this.setupOutgoingLight(e);if(o&&(a.length>0||o.getScope().hasLights)){const t=this.setupLightingModel(e)||null;u=lg(o,t,a,r,s)}else null!==r&&(u=An(null!==s?xu(u,r,s):r));return(i&&!0===i.isNode||t.emissive&&!0===t.emissive.isColor)&&(jn.assign(An(i||zh)),u=u.add(jn)),u}setupFog(e,t){const r=e.fogNode;return r&&(da.assign(t),t=Ln(r.toVar())),t}setupPremultipliedAlpha(e,t){return Dl(t)}setupOutput(e,t){return!0===this.fog&&(t=this.setupFog(e,t)),!0===this.premultipliedAlpha&&(t=this.setupPremultipliedAlpha(e,t)),t}setDefaultValues(e){for(const t in e){const r=e[t];void 0===this[t]&&(this[t]=r,r&&r.clone&&(this[t]=r.clone()))}const t=Object.getOwnPropertyDescriptors(e.constructor.prototype);for(const e in t)void 0===Object.getOwnPropertyDescriptor(this.constructor.prototype,e)&&void 0!==t[e].get&&Object.defineProperty(this.constructor.prototype,e,t[e])}toJSON(e){const t=void 0===e||"string"==typeof e;t&&(e={textures:{},images:{},nodes:{}});const r=J.prototype.toJSON.call(this,e);r.inputNodes={};for(const{property:t,childNode:s}of this._getNodeChildren())r.inputNodes[t]=s.toJSON(e).uuid;function s(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(t){const t=s(e.textures),i=s(e.images),n=s(e.nodes);t.length>0&&(r.textures=t),i.length>0&&(r.images=i),n.length>0&&(r.nodes=n)}return r}copy(e){return this.lightsNode=e.lightsNode,this.envNode=e.envNode,this.aoNode=e.aoNode,this.colorNode=e.colorNode,this.normalNode=e.normalNode,this.opacityNode=e.opacityNode,this.backdropNode=e.backdropNode,this.backdropAlphaNode=e.backdropAlphaNode,this.alphaTestNode=e.alphaTestNode,this.maskNode=e.maskNode,this.maskShadowNode=e.maskShadowNode,this.positionNode=e.positionNode,this.geometryNode=e.geometryNode,this.depthNode=e.depthNode,this.receivedShadowPositionNode=e.receivedShadowPositionNode,this.castShadowPositionNode=e.castShadowPositionNode,this.receivedShadowNode=e.receivedShadowNode,this.castShadowNode=e.castShadowNode,this.outputNode=e.outputNode,this.mrtNode=e.mrtNode,this.fragmentNode=e.fragmentNode,this.vertexNode=e.vertexNode,this.contextNode=e.contextNode,super.copy(e)}}const Og=new ee;class Vg extends Ig{static get type(){return"LineBasicNodeMaterial"}constructor(e){super(),this.isLineBasicNodeMaterial=!0,this.setDefaultValues(Og),this.setValues(e)}}const kg=new te;class Gg extends Ig{static get type(){return"LineDashedNodeMaterial"}constructor(e){super(),this.isLineDashedNodeMaterial=!0,this.setDefaultValues(kg),this.dashOffset=0,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.setValues(e)}setupVariants(){const e=this.offsetNode?Tn(this.offsetNode):bp,t=this.dashScaleNode?Tn(this.dashScaleNode):gp,r=this.dashSizeNode?Tn(this.dashSizeNode):mp,s=this.gapSizeNode?Tn(this.gapSizeNode):fp;ca.assign(r),ha.assign(s);const i=Xu(jl("lineDistance").mul(t));(e?i.add(e):i).mod(ca.add(ha)).greaterThan(ca).discard()}}const $g=new te,zg=zn("vec3","worldStart"),Wg=zn("vec3","worldEnd"),Hg=zn("float","lineDistance"),jg=zn("vec4","worldPos"),qg=gn(({start:e,end:t})=>{const r=kd.element(2).element(2),s=kd.element(3).element(2);return r.greaterThan(0).select(s.negate().div(r.add(1)),s.mul(-.5).div(r)).sub(e.z).div(t.z.sub(e.z))},{start:"vec4",end:"vec4",return:"float"}),Xg=gn(({p1:e,p2:t,p3:r,p4:s})=>{const i=e.sub(r),n=s.sub(r),a=t.sub(e),o=i.dot(n),u=n.dot(a),l=i.dot(a),d=n.dot(n),c=a.dot(a).mul(d).sub(u.mul(u)),h=o.mul(u).sub(l.mul(d)).div(c).clamp(),p=o.add(u.mul(h)).div(d).clamp();return Sn(h,p)},{p1:"vec3",p2:"vec3",p3:"vec3",p4:"vec3",return:"vec2"}),Yg=gn(({material:e})=>{const t=e._useDash,r=e._useWorldUnits,s=jl("instanceStart"),i=jl("instanceEnd"),n=Ln(dc.mul(Ln(s,1))).toVar("start"),a=Ln(dc.mul(Ln(i,1))).toVar("end");let o,u;t&&(o=Tn(jl("instanceDistanceStart")).toVar("distanceStart"),u=Tn(jl("instanceDistanceEnd")).toVar("distanceEnd")),r&&(zg.assign(n.xyz),Wg.assign(a.xyz));const l=bd.z.div(bd.w),d=kd.element(2).element(3).equal(-1);if(yn(d,()=>{yn(n.z.lessThan(0).and(a.z.greaterThan(0)),()=>{const e=qg({start:n,end:a});a.assign(Ln(xu(n.xyz,a.xyz,e),a.w)),t&&u.assign(xu(o,u,e))}).ElseIf(a.z.lessThan(0).and(n.z.greaterThanEqual(0)),()=>{const e=qg({start:a,end:n});n.assign(Ln(xu(a.xyz,n.xyz,e),n.w)),t&&o.assign(xu(u,o,e))})}),t){const t=e.dashScaleNode?Tn(e.dashScaleNode):gp,r=e.offsetNode?Tn(e.offsetNode):bp;let s=mc.y.lessThan(.5).select(t.mul(o),t.mul(u));s=s.add(r),Hg.assign(s)}const c=kd.mul(n),h=kd.mul(a),p=c.xyz.div(c.w),g=h.xyz.div(h.w),m=g.xy.sub(p.xy).toVar();m.x.assign(m.x.mul(l)),m.assign(m.normalize());const f=Ln().toVar();if(r){const e=a.xyz.sub(n.xyz).normalize(),r=xu(n.xyz,a.xyz,.5).normalize(),s=e.cross(r).normalize(),i=e.cross(s);jg.assign(mc.y.lessThan(.5).select(n,a));const o=yp.mul(.5);jg.addAssign(Ln(mc.x.lessThan(0).select(s.mul(o),s.mul(o).negate()),0)),t||(jg.addAssign(Ln(mc.y.lessThan(.5).select(e.mul(o).negate(),e.mul(o)),0)),jg.addAssign(Ln(i.mul(o),0)),yn(mc.y.greaterThan(1).or(mc.y.lessThan(0)),()=>{jg.subAssign(Ln(i.mul(2).mul(o),0))})),f.assign(kd.mul(jg));const u=An().toVar();u.assign(mc.y.lessThan(.5).select(p,g)),f.z.assign(u.z.mul(f.w))}else{const e=Sn(m.y,m.x.negate()).toVar("offset");m.x.assign(m.x.div(l)),e.x.assign(e.x.div(l)),e.assign(mc.x.lessThan(0).select(e.negate(),e)),yn(mc.y.lessThan(0),()=>{e.assign(e.sub(m))}).ElseIf(mc.y.greaterThan(1),()=>{e.assign(e.add(m))}),e.assign(e.mul(yp)),e.assign(e.div(bd.w.div(gd))),f.assign(mc.y.lessThan(.5).select(c,h)),e.assign(e.mul(f.w)),f.assign(f.add(Ln(e,0,0)))}return f})(),Qg=gn(({material:e,renderer:t})=>{const r=e._useAlphaToCoverage,s=e._useDash,i=e._useWorldUnits,n=ql();if(s){const t=e.dashSizeNode?Tn(e.dashSizeNode):mp,r=e.gapSizeNode?Tn(e.gapSizeNode):fp;ca.assign(t),ha.assign(r),n.y.lessThan(-1).or(n.y.greaterThan(1)).discard(),Hg.mod(ca.add(ha)).greaterThan(ca).discard()}const a=Tn(1).toVar("alpha");if(i){const e=jg.xyz.normalize().mul(1e5),i=Wg.sub(zg),n=Xg({p1:zg,p2:Wg,p3:An(0,0,0),p4:e}),o=zg.add(i.mul(n.x)),u=e.mul(n.y),l=o.sub(u).length().div(yp);if(!s)if(r&&t.currentSamples>0){const e=l.fwidth();a.assign(Nu(e.negate().add(.5),e.add(.5),l).oneMinus())}else l.greaterThan(.5).discard()}else if(r&&t.currentSamples>0){const e=n.x,t=n.y.greaterThan(0).select(n.y.sub(1),n.y.add(1)),r=e.mul(e).add(t.mul(t)),s=Tn(r.fwidth()).toVar("dlen");yn(n.y.abs().greaterThan(1),()=>{a.assign(Nu(s.oneMinus(),s.add(1),r).oneMinus())})}else yn(n.y.abs().greaterThan(1),()=>{const e=n.x,t=n.y.greaterThan(0).select(n.y.sub(1),n.y.add(1));e.mul(e).add(t.mul(t)).greaterThan(1).discard()});return a})();class Kg extends Ig{static get type(){return"Line2NodeMaterial"}constructor(e={}){super(),this.isLine2NodeMaterial=!0,this.setDefaultValues($g),this.vertexColors=e.vertexColors,this.dashOffset=0,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.blending=re,this._useDash=e.dashed,this._useAlphaToCoverage=!0,this._useWorldUnits=!1,this.setValues(e)}setupDiffuseColor(e){if(super.setupDiffuseColor(e),Wn.a.mulAssign(Qg),!0===this.vertexColors&&e.geometry.hasAttribute("instanceColorStart")){const e=jl("instanceColorStart"),t=jl("instanceColorEnd"),r=mc.y.lessThan(.5).select(e,t);Wn.rgb.mulAssign(r)}this.transparent&&Wn.rgb.assign(Wn.rgb.mul(Wn.a).add(fg().rgb.mul(Wn.a.oneMinus())))}setupModelViewProjection(){return Yg}get lineColorNode(){return this.colorNode}set lineColorNode(e){v('Line2NodeMaterial: "lineColorNode" has been deprecated. Use "colorNode" instead.'),this.colorNode=e}get worldUnits(){return this._useWorldUnits}set worldUnits(e){this._useWorldUnits!==e&&(this._useWorldUnits=e,this.needsUpdate=!0)}get dashed(){return this._useDash}set dashed(e){this._useDash!==e&&(this._useDash=e,this.needsUpdate=!0)}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}copy(e){return super.copy(e),this.vertexColors=e.vertexColors,this.dashOffset=e.dashOffset,this.offsetNode=e.offsetNode,this.dashScaleNode=e.dashScaleNode,this.dashSizeNode=e.dashSizeNode,this.gapSizeNode=e.gapSizeNode,this._useDash=e._useDash,this._useAlphaToCoverage=e._useAlphaToCoverage,this._useWorldUnits=e._useWorldUnits,this}}const Zg=new se;class Jg extends Ig{static get type(){return"MeshNormalNodeMaterial"}constructor(e){super(),this.isMeshNormalNodeMaterial=!0,this.setDefaultValues(Zg),this.setValues(e)}setupDiffuseColor(){const e=this.opacityNode?Tn(this.opacityNode):Wh;Wn.assign(tl(Ln(Ch(Bc),e),ie))}}const em=gn(([e=xc])=>{const t=e.z.atan(e.x).mul(1/(2*Math.PI)).add(.5),r=e.y.clamp(-1,1).asin().mul(1/Math.PI).add(.5);return Sn(t,r)}),tm=gn(([e=ql()])=>{const t=e.x.sub(.5).mul(2*Math.PI),r=e.y.sub(.5).mul(Math.PI),s=r.cos(),i=s.mul(t.cos()),n=r.sin(),a=s.mul(t.sin());return An(i,n,a)});class rm extends ne{constructor(e=1,t={}){super(e,e,t),this.isCubeRenderTarget=!0;const r={width:e,height:e,depth:1},s=[r,r,r,r,r,r];this.texture=new U(s),this._setTextureOptions(t),this.texture.isRenderTargetTexture=!0}fromEquirectangularTexture(e,t){const r=t.minFilter,s=t.generateMipmaps;t.generateMipmaps=!0,this.texture.type=t.type,this.texture.colorSpace=t.colorSpace,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const i=new ae(5,5,5),n=em(xc),a=new Ig;a.colorNode=rd(t,n,0),a.side=F,a.blending=re;const o=new oe(i,a),u=new ue;u.add(o),t.minFilter===K&&(t.minFilter=le);const l=new de(1,10,this),d=e.getMRT();return e.setMRT(null),l.update(e,u),e.setMRT(d),t.minFilter=r,t.generateMipmaps=s,o.geometry.dispose(),o.material.dispose(),this}clear(e,t=!0,r=!0,s=!0){const i=e.getRenderTarget();for(let i=0;i<6;i++)e.setRenderTarget(this,i),e.clear(t,r,s);e.setRenderTarget(i)}}const sm=new WeakMap;class im extends fi{static get type(){return"CubeMapNode"}constructor(e){super("vec3"),this.envNode=e,this._cubeTexture=null,this._cubeTextureNode=Qc(null);const t=new U;t.isRenderTargetTexture=!0,this._defaultTexture=t,this.updateBeforeType=ii.RENDER}updateBefore(e){const{renderer:t,material:r}=e,s=this.envNode;if(s.isTextureNode||s.isMaterialReferenceNode){const e=s.isTextureNode?s.value:r[s.property];if(e&&e.isTexture){const r=e.mapping;if(r===ce||r===he){if(sm.has(e)){const t=sm.get(e);am(t,e.mapping),this._cubeTexture=t}else{const r=e.image;if(function(e){return null!=e&&e.height>0}(r)){const s=new rm(r.height);s.fromEquirectangularTexture(t,e),am(s.texture,e.mapping),this._cubeTexture=s.texture,sm.set(e,s.texture),e.addEventListener("dispose",nm)}else this._cubeTexture=this._defaultTexture}this._cubeTextureNode.value=this._cubeTexture}else this._cubeTextureNode=this.envNode}}}setup(e){return this.updateBefore(e),this._cubeTextureNode}}function nm(e){const t=e.target;t.removeEventListener("dispose",nm);const r=sm.get(t);void 0!==r&&(sm.delete(t),r.dispose())}function am(e,t){t===ce?e.mapping=D:t===he&&(e.mapping=I)}const om=un(im).setParameterLength(1);class um extends ag{static get type(){return"BasicEnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){e.context.environment=om(this.envNode)}}class lm extends ag{static get type(){return"BasicLightMapNode"}constructor(e=null){super(),this.lightMapNode=e}setup(e){const t=Tn(1/Math.PI);e.context.irradianceLightMap=this.lightMapNode.mul(t)}}class dm{start(e){e.lightsNode.setupLights(e,e.lightsNode.getLightNodes(e)),this.indirect(e)}finish(){}direct(){}directRectArea(){}indirect(){}ambientOcclusion(){}}class cm extends dm{constructor(){super()}indirect({context:e}){const t=e.ambientOcclusion,r=e.reflectedLight,s=e.irradianceLightMap;r.indirectDiffuse.assign(Ln(0)),s?r.indirectDiffuse.addAssign(s):r.indirectDiffuse.addAssign(Ln(1,1,1,0)),r.indirectDiffuse.mulAssign(t),r.indirectDiffuse.mulAssign(Wn.rgb)}finish(e){const{material:t,context:r}=e,s=r.outgoingLight,i=e.context.environment;if(i)switch(t.combine){case me:s.rgb.assign(xu(s.rgb,s.rgb.mul(i.rgb),Xh.mul(Yh)));break;case ge:s.rgb.assign(xu(s.rgb,i.rgb,Xh.mul(Yh)));break;case pe:s.rgb.addAssign(i.rgb.mul(Xh.mul(Yh)));break;default:d("BasicLightingModel: Unsupported .combine value:",t.combine)}}}const hm=new fe;class pm extends Ig{static get type(){return"MeshBasicNodeMaterial"}constructor(e){super(),this.isMeshBasicNodeMaterial=!0,this.lights=!0,this.setDefaultValues(hm),this.setValues(e)}setupNormal(){return Rc(Cc)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new um(t):null}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new lm(_p)),t}setupOutgoingLight(){return Wn.rgb}setupLightingModel(){return new cm}}const gm=gn(({f0:e,f90:t,dotVH:r})=>{const s=r.mul(-5.55473).sub(6.98316).mul(r).exp2();return e.mul(s.oneMinus()).add(t.mul(s))}),mm=gn(e=>e.diffuseColor.mul(1/Math.PI)),fm=gn(({dotNH:e})=>la.mul(Tn(.5)).add(1).mul(Tn(1/Math.PI)).mul(e.pow(la))),ym=gn(({lightDirection:e})=>{const t=e.add(_c).normalize(),r=Bc.dot(t).clamp(),s=_c.dot(t).clamp(),i=gm({f0:aa,f90:1,dotVH:s}),n=Tn(.25),a=fm({dotNH:r});return i.mul(n).mul(a)});class bm extends cm{constructor(e=!0){super(),this.specular=e}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=Bc.dot(e).clamp().mul(t);r.directDiffuse.addAssign(s.mul(mm({diffuseColor:Wn.rgb}))),!0===this.specular&&r.directSpecular.addAssign(s.mul(ym({lightDirection:e})).mul(Xh))}indirect(e){const{ambientOcclusion:t,irradiance:r,reflectedLight:s}=e.context;s.indirectDiffuse.addAssign(r.mul(mm({diffuseColor:Wn}))),s.indirectDiffuse.mulAssign(t)}}const xm=new ye;class Tm extends Ig{static get type(){return"MeshLambertNodeMaterial"}constructor(e){super(),this.isMeshLambertNodeMaterial=!0,this.lights=!0,this.setDefaultValues(xm),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new um(t):null}setupLightingModel(){return new bm(!1)}}const _m=new be;class vm extends Ig{static get type(){return"MeshPhongNodeMaterial"}constructor(e){super(),this.isMeshPhongNodeMaterial=!0,this.lights=!0,this.shininessNode=null,this.specularNode=null,this.setDefaultValues(_m),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new um(t):null}setupLightingModel(){return new bm}setupVariants(){const e=(this.shininessNode?Tn(this.shininessNode):$h).max(1e-4);la.assign(e);const t=this.specularNode||Hh;aa.assign(t)}copy(e){return this.shininessNode=e.shininessNode,this.specularNode=e.specularNode,super.copy(e)}}const Nm=gn(e=>{if(!1===e.geometry.hasAttribute("normal"))return Tn(0);const t=Cc.dFdx().abs().max(Cc.dFdy().abs());return t.x.max(t.y).max(t.z)}),Sm=gn(e=>{const{roughness:t}=e,r=Nm();let s=t.max(.0525);return s=s.add(r),s=s.min(1),s}),Rm=gn(({alpha:e,dotNL:t,dotNV:r})=>{const s=e.pow2(),i=t.mul(s.add(s.oneMinus().mul(r.pow2())).sqrt()),n=r.mul(s.add(s.oneMinus().mul(t.pow2())).sqrt());return ka(.5,i.add(n).max(lo))}).setLayout({name:"V_GGX_SmithCorrelated",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNL",type:"float"},{name:"dotNV",type:"float"}]}),Em=gn(({alphaT:e,alphaB:t,dotTV:r,dotBV:s,dotTL:i,dotBL:n,dotNV:a,dotNL:o})=>{const u=o.mul(An(e.mul(r),t.mul(s),a).length()),l=a.mul(An(e.mul(i),t.mul(n),o).length());return ka(.5,u.add(l).max(lo))}).setLayout({name:"V_GGX_SmithCorrelated_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotTV",type:"float",qualifier:"in"},{name:"dotBV",type:"float",qualifier:"in"},{name:"dotTL",type:"float",qualifier:"in"},{name:"dotBL",type:"float",qualifier:"in"},{name:"dotNV",type:"float",qualifier:"in"},{name:"dotNL",type:"float",qualifier:"in"}]}),wm=gn(({alpha:e,dotNH:t})=>{const r=e.pow2(),s=t.pow2().mul(r.oneMinus()).oneMinus();return r.div(s.pow2()).mul(1/Math.PI)}).setLayout({name:"D_GGX",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNH",type:"float"}]}),Am=Tn(1/Math.PI),Cm=gn(({alphaT:e,alphaB:t,dotNH:r,dotTH:s,dotBH:i})=>{const n=e.mul(t),a=An(t.mul(s),e.mul(i),n.mul(r)),o=a.dot(a),u=n.div(o);return Am.mul(n.mul(u.pow2()))}).setLayout({name:"D_GGX_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotNH",type:"float",qualifier:"in"},{name:"dotTH",type:"float",qualifier:"in"},{name:"dotBH",type:"float",qualifier:"in"}]}),Mm=gn(({lightDirection:e,f0:t,f90:r,roughness:s,f:i,normalView:n=Bc,USE_IRIDESCENCE:a,USE_ANISOTROPY:o})=>{const u=s.pow2(),l=e.add(_c).normalize(),d=n.dot(e).clamp(),c=n.dot(_c).clamp(),h=n.dot(l).clamp(),p=_c.dot(l).clamp();let g,m,f=gm({f0:t,f90:r,dotVH:p});if(en(a)&&(f=Jn.mix(f,i)),en(o)){const t=ia.dot(e),r=ia.dot(_c),s=ia.dot(l),i=na.dot(e),n=na.dot(_c),a=na.dot(l);g=Em({alphaT:ra,alphaB:u,dotTV:r,dotBV:n,dotTL:t,dotBL:i,dotNV:c,dotNL:d}),m=Cm({alphaT:ra,alphaB:u,dotNH:h,dotTH:s,dotBH:a})}else g=Rm({alpha:u,dotNL:d,dotNV:c}),m=wm({alpha:u,dotNH:h});return f.mul(g).mul(m)}),Bm=new 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Lm=null;const Fm=gn(({roughness:e,dotNV:t})=>{null===Lm&&(Lm=new xe(Bm,16,16,z,Te),Lm.name="DFG_LUT",Lm.minFilter=le,Lm.magFilter=le,Lm.wrapS=_e,Lm.wrapT=_e,Lm.generateMipmaps=!1,Lm.needsUpdate=!0);const r=Sn(e,t);return rd(Lm,r).rg}),Pm=gn(({lightDirection:e,f0:t,f90:r,roughness:s,f:i,USE_IRIDESCENCE:n,USE_ANISOTROPY:a})=>{const o=Mm({lightDirection:e,f0:t,f90:r,roughness:s,f:i,USE_IRIDESCENCE:n,USE_ANISOTROPY:a}),u=Bc.dot(e).clamp(),l=Bc.dot(_c).clamp(),d=Fm({roughness:s,dotNV:l}),c=Fm({roughness:s,dotNV:u}),h=t.mul(d.x).add(r.mul(d.y)),p=t.mul(c.x).add(r.mul(c.y)),g=d.x.add(d.y),m=c.x.add(c.y),f=Tn(1).sub(g),y=Tn(1).sub(m),b=t.add(t.oneMinus().mul(.047619)),x=h.mul(p).mul(b).div(Tn(1).sub(f.mul(y).mul(b).mul(b)).add(lo)),T=f.mul(y),_=x.mul(T);return o.add(_)}),Um=gn(e=>{const{dotNV:t,specularColor:r,specularF90:s,roughness:i}=e,n=Fm({dotNV:t,roughness:i});return r.mul(n.x).add(s.mul(n.y))}),Dm=gn(({f:e,f90:t,dotVH:r})=>{const s=r.oneMinus().saturate(),i=s.mul(s),n=s.mul(i,i).clamp(0,.9999);return e.sub(An(t).mul(n)).div(n.oneMinus())}).setLayout({name:"Schlick_to_F0",type:"vec3",inputs:[{name:"f",type:"vec3"},{name:"f90",type:"float"},{name:"dotVH",type:"float"}]}),Im=gn(({roughness:e,dotNH:t})=>{const r=e.pow2(),s=Tn(1).div(r),i=t.pow2().oneMinus().max(.0078125);return Tn(2).add(s).mul(i.pow(s.mul(.5))).div(2*Math.PI)}).setLayout({name:"D_Charlie",type:"float",inputs:[{name:"roughness",type:"float"},{name:"dotNH",type:"float"}]}),Om=gn(({dotNV:e,dotNL:t})=>Tn(1).div(Tn(4).mul(t.add(e).sub(t.mul(e))))).setLayout({name:"V_Neubelt",type:"float",inputs:[{name:"dotNV",type:"float"},{name:"dotNL",type:"float"}]}),Vm=gn(({lightDirection:e})=>{const t=e.add(_c).normalize(),r=Bc.dot(e).clamp(),s=Bc.dot(_c).clamp(),i=Bc.dot(t).clamp(),n=Im({roughness:Zn,dotNH:i}),a=Om({dotNV:s,dotNL:r});return Kn.mul(n).mul(a)}),km=gn(({N:e,V:t,roughness:r})=>{const s=e.dot(t).saturate(),i=Sn(r,s.oneMinus().sqrt());return i.assign(i.mul(.984375).add(.0078125)),i}).setLayout({name:"LTC_Uv",type:"vec2",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"roughness",type:"float"}]}),Gm=gn(({f:e})=>{const t=e.length();return su(t.mul(t).add(e.z).div(t.add(1)),0)}).setLayout({name:"LTC_ClippedSphereFormFactor",type:"float",inputs:[{name:"f",type:"vec3"}]}),$m=gn(({v1:e,v2:t})=>{const r=e.dot(t),s=r.abs().toVar(),i=s.mul(.0145206).add(.4965155).mul(s).add(.8543985).toVar(),n=s.add(4.1616724).mul(s).add(3.417594).toVar(),a=i.div(n),o=r.greaterThan(0).select(a,su(r.mul(r).oneMinus(),1e-7).inverseSqrt().mul(.5).sub(a));return e.cross(t).mul(o)}).setLayout({name:"LTC_EdgeVectorFormFactor",type:"vec3",inputs:[{name:"v1",type:"vec3"},{name:"v2",type:"vec3"}]}),zm=gn(({N:e,V:t,P:r,mInv:s,p0:i,p1:n,p2:a,p3:o})=>{const u=n.sub(i).toVar(),l=o.sub(i).toVar(),d=u.cross(l),c=An().toVar();return yn(d.dot(r.sub(i)).greaterThanEqual(0),()=>{const u=t.sub(e.mul(t.dot(e))).normalize(),l=e.cross(u).negate(),d=s.mul(In(u,l,e).transpose()).toVar(),h=d.mul(i.sub(r)).normalize().toVar(),p=d.mul(n.sub(r)).normalize().toVar(),g=d.mul(a.sub(r)).normalize().toVar(),m=d.mul(o.sub(r)).normalize().toVar(),f=An(0).toVar();f.addAssign($m({v1:h,v2:p})),f.addAssign($m({v1:p,v2:g})),f.addAssign($m({v1:g,v2:m})),f.addAssign($m({v1:m,v2:h})),c.assign(An(Gm({f:f})))}),c}).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"P",type:"vec3"},{name:"mInv",type:"mat3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),Wm=gn(({P:e,p0:t,p1:r,p2:s,p3:i})=>{const n=r.sub(t).toVar(),a=i.sub(t).toVar(),o=n.cross(a),u=An().toVar();return yn(o.dot(e.sub(t)).greaterThanEqual(0),()=>{const n=t.sub(e).normalize().toVar(),a=r.sub(e).normalize().toVar(),o=s.sub(e).normalize().toVar(),l=i.sub(e).normalize().toVar(),d=An(0).toVar();d.addAssign($m({v1:n,v2:a})),d.addAssign($m({v1:a,v2:o})),d.addAssign($m({v1:o,v2:l})),d.addAssign($m({v1:l,v2:n})),u.assign(An(Gm({f:d.abs()})))}),u}).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"P",type:"vec3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),Hm=1/6,jm=e=>Va(Hm,Va(e,Va(e,e.negate().add(3)).sub(3)).add(1)),qm=e=>Va(Hm,Va(e,Va(e,Va(3,e).sub(6))).add(4)),Xm=e=>Va(Hm,Va(e,Va(e,Va(-3,e).add(3)).add(3)).add(1)),Ym=e=>Va(Hm,du(e,3)),Qm=e=>jm(e).add(qm(e)),Km=e=>Xm(e).add(Ym(e)),Zm=e=>Ia(-1,qm(e).div(jm(e).add(qm(e)))),Jm=e=>Ia(1,Ym(e).div(Xm(e).add(Ym(e)))),ef=(e,t,r)=>{const s=e.uvNode,i=Va(s,t.zw).add(.5),n=Eo(i),a=Co(i),o=Qm(a.x),u=Km(a.x),l=Zm(a.x),d=Jm(a.x),c=Zm(a.y),h=Jm(a.y),p=Sn(n.x.add(l),n.y.add(c)).sub(.5).mul(t.xy),g=Sn(n.x.add(d),n.y.add(c)).sub(.5).mul(t.xy),m=Sn(n.x.add(l),n.y.add(h)).sub(.5).mul(t.xy),f=Sn(n.x.add(d),n.y.add(h)).sub(.5).mul(t.xy),y=Qm(a.y).mul(Ia(o.mul(e.sample(p).level(r)),u.mul(e.sample(g).level(r)))),b=Km(a.y).mul(Ia(o.mul(e.sample(m).level(r)),u.mul(e.sample(f).level(r))));return y.add(b)},tf=gn(([e,t])=>{const r=Sn(e.size(_n(t))),s=Sn(e.size(_n(t.add(1)))),i=ka(1,r),n=ka(1,s),a=ef(e,Ln(i,r),Eo(t)),o=ef(e,Ln(n,s),wo(t));return Co(t).mix(a,o)}),rf=gn(([e,t])=>{const r=t.mul(Kl(e));return tf(e,r)}),sf=gn(([e,t,r,s,i])=>{const n=An(vu(t.negate(),Ao(e),ka(1,s))),a=An(Wo(i[0].xyz),Wo(i[1].xyz),Wo(i[2].xyz));return Ao(n).mul(r.mul(a))}).setLayout({name:"getVolumeTransmissionRay",type:"vec3",inputs:[{name:"n",type:"vec3"},{name:"v",type:"vec3"},{name:"thickness",type:"float"},{name:"ior",type:"float"},{name:"modelMatrix",type:"mat4"}]}),nf=gn(([e,t])=>e.mul(Tu(t.mul(2).sub(2),0,1))).setLayout({name:"applyIorToRoughness",type:"float",inputs:[{name:"roughness",type:"float"},{name:"ior",type:"float"}]}),af=gg(),of=fg(),uf=gn(([e,t,r],{material:s})=>{const i=(s.side===F?af:of).sample(e),n=No(fd.x).mul(nf(t,r));return tf(i,n)}),lf=gn(([e,t,r])=>(yn(r.notEqual(0),()=>{const s=vo(t).negate().div(r);return To(s.negate().mul(e))}),An(1))).setLayout({name:"volumeAttenuation",type:"vec3",inputs:[{name:"transmissionDistance",type:"float"},{name:"attenuationColor",type:"vec3"},{name:"attenuationDistance",type:"float"}]}),df=gn(([e,t,r,s,i,n,a,o,u,l,d,c,h,p,g])=>{let m,f;if(g){m=Ln().toVar(),f=An().toVar();const i=d.sub(1).mul(g.mul(.025)),n=An(d.sub(i),d,d.add(i));Zp({start:0,end:3},({i:i})=>{const d=n.element(i),g=sf(e,t,c,d,o),y=a.add(g),b=l.mul(u.mul(Ln(y,1))),x=Sn(b.xy.div(b.w)).toVar();x.addAssign(1),x.divAssign(2),x.assign(Sn(x.x,x.y.oneMinus()));const T=uf(x,r,d);m.element(i).assign(T.element(i)),m.a.addAssign(T.a),f.element(i).assign(s.element(i).mul(lf(Wo(g),h,p).element(i)))}),m.a.divAssign(3)}else{const i=sf(e,t,c,d,o),n=a.add(i),g=l.mul(u.mul(Ln(n,1))),y=Sn(g.xy.div(g.w)).toVar();y.addAssign(1),y.divAssign(2),y.assign(Sn(y.x,y.y.oneMinus())),m=uf(y,r,d),f=s.mul(lf(Wo(i),h,p))}const y=f.rgb.mul(m.rgb),b=e.dot(t).clamp(),x=An(Um({dotNV:b,specularColor:i,specularF90:n,roughness:r})),T=f.r.add(f.g,f.b).div(3);return Ln(x.oneMinus().mul(y),m.a.oneMinus().mul(T).oneMinus())}),cf=In(3.2404542,-.969266,.0556434,-1.5371385,1.8760108,-.2040259,-.4985314,.041556,1.0572252),hf=(e,t)=>e.sub(t).div(e.add(t)).pow2(),pf=gn(({outsideIOR:e,eta2:t,cosTheta1:r,thinFilmThickness:s,baseF0:i})=>{const n=xu(e,t,Nu(0,.03,s)),a=e.div(n).pow2().mul(r.pow2().oneMinus()).oneMinus();yn(a.lessThan(0),()=>An(1));const o=a.sqrt(),u=hf(n,e),l=gm({f0:u,f90:1,dotVH:r}),d=l.oneMinus(),c=n.lessThan(e).select(Math.PI,0),h=Tn(Math.PI).sub(c),p=(e=>{const t=e.sqrt();return An(1).add(t).div(An(1).sub(t))})(i.clamp(0,.9999)),g=hf(p,n.toVec3()),m=gm({f0:g,f90:1,dotVH:o}),f=An(p.x.lessThan(n).select(Math.PI,0),p.y.lessThan(n).select(Math.PI,0),p.z.lessThan(n).select(Math.PI,0)),y=n.mul(s,o,2),b=An(h).add(f),x=l.mul(m).clamp(1e-5,.9999),T=x.sqrt(),_=d.pow2().mul(m).div(An(1).sub(x)),v=l.add(_).toVar(),N=_.sub(d).toVar();return Zp({start:1,end:2,condition:"<=",name:"m"},({m:e})=>{N.mulAssign(T);const t=((e,t)=>{const r=e.mul(2*Math.PI*1e-9),s=An(54856e-17,44201e-17,52481e-17),i=An(1681e3,1795300,2208400),n=An(43278e5,93046e5,66121e5),a=Tn(9747e-17*Math.sqrt(2*Math.PI*45282e5)).mul(r.mul(2239900).add(t.x).cos()).mul(r.pow2().mul(-45282e5).exp());let o=s.mul(n.mul(2*Math.PI).sqrt()).mul(i.mul(r).add(t).cos()).mul(r.pow2().negate().mul(n).exp());return o=An(o.x.add(a),o.y,o.z).div(1.0685e-7),cf.mul(o)})(Tn(e).mul(y),Tn(e).mul(b)).mul(2);v.addAssign(N.mul(t))}),v.max(An(0))}).setLayout({name:"evalIridescence",type:"vec3",inputs:[{name:"outsideIOR",type:"float"},{name:"eta2",type:"float"},{name:"cosTheta1",type:"float"},{name:"thinFilmThickness",type:"float"},{name:"baseF0",type:"vec3"}]}),gf=gn(({normal:e,viewDir:t,roughness:r})=>{const s=e.dot(t).saturate(),i=r.mul(r),n=r.add(.1).reciprocal(),a=Tn(-1.9362).add(r.mul(1.0678)).add(i.mul(.4573)).sub(n.mul(.8469)),o=Tn(-.6014).add(r.mul(.5538)).sub(i.mul(.467)).sub(n.mul(.1255));return a.mul(s).add(o).exp().saturate()}),mf=An(.04),ff=Tn(1);class yf extends dm{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1){super(),this.clearcoat=e,this.sheen=t,this.iridescence=r,this.anisotropy=s,this.transmission=i,this.dispersion=n,this.clearcoatRadiance=null,this.clearcoatSpecularDirect=null,this.clearcoatSpecularIndirect=null,this.sheenSpecularDirect=null,this.sheenSpecularIndirect=null,this.iridescenceFresnel=null,this.iridescenceF0=null,this.iridescenceF0Dielectric=null,this.iridescenceF0Metallic=null}start(e){if(!0===this.clearcoat&&(this.clearcoatRadiance=An().toVar("clearcoatRadiance"),this.clearcoatSpecularDirect=An().toVar("clearcoatSpecularDirect"),this.clearcoatSpecularIndirect=An().toVar("clearcoatSpecularIndirect")),!0===this.sheen&&(this.sheenSpecularDirect=An().toVar("sheenSpecularDirect"),this.sheenSpecularIndirect=An().toVar("sheenSpecularIndirect")),!0===this.iridescence){const e=Bc.dot(_c).clamp(),t=pf({outsideIOR:Tn(1),eta2:ea,cosTheta1:e,thinFilmThickness:ta,baseF0:aa}),r=pf({outsideIOR:Tn(1),eta2:ea,cosTheta1:e,thinFilmThickness:ta,baseF0:Wn.rgb});this.iridescenceFresnel=xu(t,r,Xn),this.iridescenceF0Dielectric=Dm({f:t,f90:1,dotVH:e}),this.iridescenceF0Metallic=Dm({f:r,f90:1,dotVH:e}),this.iridescenceF0=xu(this.iridescenceF0Dielectric,this.iridescenceF0Metallic,Xn)}if(!0===this.transmission){const t=bc,r=Hd.sub(bc).normalize(),s=Lc,i=e.context;i.backdrop=df(s,r,qn,Hn,oa,ua,t,sc,$d,kd,ga,fa,ba,ya,this.dispersion?xa:null),i.backdropAlpha=ma,Wn.a.mulAssign(xu(1,i.backdrop.a,ma))}super.start(e)}computeMultiscattering(e,t,r,s,i=null){const n=Bc.dot(_c).clamp(),a=Fm({roughness:qn,dotNV:n}),o=i?Jn.mix(s,i):s,u=o.mul(a.x).add(r.mul(a.y)),l=a.x.add(a.y).oneMinus(),d=o.add(o.oneMinus().mul(.047619)),c=u.mul(d).div(l.mul(d).oneMinus());e.addAssign(u),t.addAssign(c.mul(l))}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=Bc.dot(e).clamp().mul(t).toVar();if(!0===this.sheen){this.sheenSpecularDirect.addAssign(s.mul(Vm({lightDirection:e})));const t=gf({normal:Bc,viewDir:_c,roughness:Zn}),r=gf({normal:Bc,viewDir:e,roughness:Zn}),i=Kn.r.max(Kn.g).max(Kn.b).mul(t.max(r)).oneMinus();s.mulAssign(i)}if(!0===this.clearcoat){const r=Fc.dot(e).clamp().mul(t);this.clearcoatSpecularDirect.addAssign(r.mul(Mm({lightDirection:e,f0:mf,f90:ff,roughness:Qn,normalView:Fc})))}r.directDiffuse.addAssign(s.mul(mm({diffuseColor:Hn}))),r.directSpecular.addAssign(s.mul(Pm({lightDirection:e,f0:oa,f90:1,roughness:qn,f:this.iridescenceFresnel,USE_IRIDESCENCE:this.iridescence,USE_ANISOTROPY:this.anisotropy})))}directRectArea({lightColor:e,lightPosition:t,halfWidth:r,halfHeight:s,reflectedLight:i,ltc_1:n,ltc_2:a}){const o=t.add(r).sub(s),u=t.sub(r).sub(s),l=t.sub(r).add(s),d=t.add(r).add(s),c=Bc,h=_c,p=Tc.toVar(),g=km({N:c,V:h,roughness:qn}),m=n.sample(g).toVar(),f=a.sample(g).toVar(),y=In(An(m.x,0,m.y),An(0,1,0),An(m.z,0,m.w)).toVar(),b=oa.mul(f.x).add(ua.sub(oa).mul(f.y)).toVar();if(i.directSpecular.addAssign(e.mul(b).mul(zm({N:c,V:h,P:p,mInv:y,p0:o,p1:u,p2:l,p3:d}))),i.directDiffuse.addAssign(e.mul(Hn).mul(zm({N:c,V:h,P:p,mInv:In(1,0,0,0,1,0,0,0,1),p0:o,p1:u,p2:l,p3:d}))),!0===this.clearcoat){const t=Fc,r=km({N:t,V:h,roughness:Qn}),s=n.sample(r),i=a.sample(r),c=In(An(s.x,0,s.y),An(0,1,0),An(s.z,0,s.w)),g=mf.mul(i.x).add(ff.sub(mf).mul(i.y));this.clearcoatSpecularDirect.addAssign(e.mul(g).mul(zm({N:t,V:h,P:p,mInv:c,p0:o,p1:u,p2:l,p3:d})))}}indirect(e){this.indirectDiffuse(e),this.indirectSpecular(e),this.ambientOcclusion(e)}indirectDiffuse(e){const{irradiance:t,reflectedLight:r}=e.context,s=t.mul(mm({diffuseColor:Hn})).toVar();if(!0===this.sheen){const e=gf({normal:Bc,viewDir:_c,roughness:Zn}),t=Kn.r.max(Kn.g).max(Kn.b).mul(e).oneMinus();s.mulAssign(t)}r.indirectDiffuse.addAssign(s)}indirectSpecular(e){const{radiance:t,iblIrradiance:r,reflectedLight:s}=e.context;if(!0===this.sheen&&this.sheenSpecularIndirect.addAssign(r.mul(Kn,gf({normal:Bc,viewDir:_c,roughness:Zn}))),!0===this.clearcoat){const e=Fc.dot(_c).clamp(),t=Um({dotNV:e,specularColor:mf,specularF90:ff,roughness:Qn});this.clearcoatSpecularIndirect.addAssign(this.clearcoatRadiance.mul(t))}const i=An().toVar("singleScatteringDielectric"),n=An().toVar("multiScatteringDielectric"),a=An().toVar("singleScatteringMetallic"),o=An().toVar("multiScatteringMetallic");this.computeMultiscattering(i,n,ua,aa,this.iridescenceF0Dielectric),this.computeMultiscattering(a,o,ua,Wn.rgb,this.iridescenceF0Metallic);const u=xu(i,a,Xn),l=xu(n,o,Xn),d=i.add(n),c=Hn.mul(d.oneMinus()),h=r.mul(1/Math.PI),p=t.mul(u).add(l.mul(h)).toVar(),g=c.mul(h).toVar();if(!0===this.sheen){const e=gf({normal:Bc,viewDir:_c,roughness:Zn}),t=Kn.r.max(Kn.g).max(Kn.b).mul(e).oneMinus();p.mulAssign(t),g.mulAssign(t)}s.indirectSpecular.addAssign(p),s.indirectDiffuse.addAssign(g)}ambientOcclusion(e){const{ambientOcclusion:t,reflectedLight:r}=e.context,s=Bc.dot(_c).clamp().add(t),i=qn.mul(-16).oneMinus().negate().exp2(),n=t.sub(s.pow(i).oneMinus()).clamp();!0===this.clearcoat&&this.clearcoatSpecularIndirect.mulAssign(t),!0===this.sheen&&this.sheenSpecularIndirect.mulAssign(t),r.indirectDiffuse.mulAssign(t),r.indirectSpecular.mulAssign(n)}finish({context:e}){const{outgoingLight:t}=e;if(!0===this.clearcoat){const e=Fc.dot(_c).clamp(),r=gm({dotVH:e,f0:mf,f90:ff}),s=t.mul(Yn.mul(r).oneMinus()).add(this.clearcoatSpecularDirect.add(this.clearcoatSpecularIndirect).mul(Yn));t.assign(s)}if(!0===this.sheen){const e=t.add(this.sheenSpecularDirect,this.sheenSpecularIndirect.mul(1/Math.PI));t.assign(e)}}}const bf=Tn(1),xf=Tn(-2),Tf=Tn(.8),_f=Tn(-1),vf=Tn(.4),Nf=Tn(2),Sf=Tn(.305),Rf=Tn(3),Ef=Tn(.21),wf=Tn(4),Af=Tn(4),Cf=Tn(16),Mf=gn(([e])=>{const t=An($o(e)).toVar(),r=Tn(-1).toVar();return yn(t.x.greaterThan(t.z),()=>{yn(t.x.greaterThan(t.y),()=>{r.assign(Lu(e.x.greaterThan(0),0,3))}).Else(()=>{r.assign(Lu(e.y.greaterThan(0),1,4))})}).Else(()=>{yn(t.z.greaterThan(t.y),()=>{r.assign(Lu(e.z.greaterThan(0),2,5))}).Else(()=>{r.assign(Lu(e.y.greaterThan(0),1,4))})}),r}).setLayout({name:"getFace",type:"float",inputs:[{name:"direction",type:"vec3"}]}),Bf=gn(([e,t])=>{const r=Sn().toVar();return yn(t.equal(0),()=>{r.assign(Sn(e.z,e.y).div($o(e.x)))}).ElseIf(t.equal(1),()=>{r.assign(Sn(e.x.negate(),e.z.negate()).div($o(e.y)))}).ElseIf(t.equal(2),()=>{r.assign(Sn(e.x.negate(),e.y).div($o(e.z)))}).ElseIf(t.equal(3),()=>{r.assign(Sn(e.z.negate(),e.y).div($o(e.x)))}).ElseIf(t.equal(4),()=>{r.assign(Sn(e.x.negate(),e.z).div($o(e.y)))}).Else(()=>{r.assign(Sn(e.x,e.y).div($o(e.z)))}),Va(.5,r.add(1))}).setLayout({name:"getUV",type:"vec2",inputs:[{name:"direction",type:"vec3"},{name:"face",type:"float"}]}),Lf=gn(([e])=>{const t=Tn(0).toVar();return yn(e.greaterThanEqual(Tf),()=>{t.assign(bf.sub(e).mul(_f.sub(xf)).div(bf.sub(Tf)).add(xf))}).ElseIf(e.greaterThanEqual(vf),()=>{t.assign(Tf.sub(e).mul(Nf.sub(_f)).div(Tf.sub(vf)).add(_f))}).ElseIf(e.greaterThanEqual(Sf),()=>{t.assign(vf.sub(e).mul(Rf.sub(Nf)).div(vf.sub(Sf)).add(Nf))}).ElseIf(e.greaterThanEqual(Ef),()=>{t.assign(Sf.sub(e).mul(wf.sub(Rf)).div(Sf.sub(Ef)).add(Rf))}).Else(()=>{t.assign(Tn(-2).mul(No(Va(1.16,e))))}),t}).setLayout({name:"roughnessToMip",type:"float",inputs:[{name:"roughness",type:"float"}]}),Ff=gn(([e,t])=>{const r=e.toVar();r.assign(Va(2,r).sub(1));const s=An(r,1).toVar();return yn(t.equal(0),()=>{s.assign(s.zyx)}).ElseIf(t.equal(1),()=>{s.assign(s.xzy),s.xz.mulAssign(-1)}).ElseIf(t.equal(2),()=>{s.x.mulAssign(-1)}).ElseIf(t.equal(3),()=>{s.assign(s.zyx),s.xz.mulAssign(-1)}).ElseIf(t.equal(4),()=>{s.assign(s.xzy),s.xy.mulAssign(-1)}).ElseIf(t.equal(5),()=>{s.z.mulAssign(-1)}),s}).setLayout({name:"getDirection",type:"vec3",inputs:[{name:"uv",type:"vec2"},{name:"face",type:"float"}]}),Pf=gn(([e,t,r,s,i,n])=>{const a=Tn(r),o=An(t),u=Tu(Lf(a),xf,n),l=Co(u),d=Eo(u),c=An(Uf(e,o,d,s,i,n)).toVar();return yn(l.notEqual(0),()=>{const t=An(Uf(e,o,d.add(1),s,i,n)).toVar();c.assign(xu(c,t,l))}),c}),Uf=gn(([e,t,r,s,i,n])=>{const a=Tn(r).toVar(),o=An(t),u=Tn(Mf(o)).toVar(),l=Tn(su(Af.sub(a),0)).toVar();a.assign(su(a,Af));const d=Tn(_o(a)).toVar(),c=Sn(Bf(o,u).mul(d.sub(2)).add(1)).toVar();return yn(u.greaterThan(2),()=>{c.y.addAssign(d),u.subAssign(3)}),c.x.addAssign(u.mul(d)),c.x.addAssign(l.mul(Va(3,Cf))),c.y.addAssign(Va(4,_o(n).sub(d))),c.x.mulAssign(s),c.y.mulAssign(i),e.sample(c).grad(Sn(),Sn())}),Df=gn(({envMap:e,mipInt:t,outputDirection:r,theta:s,axis:i,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:a,CUBEUV_MAX_MIP:o})=>{const u=Lo(s),l=r.mul(u).add(i.cross(r).mul(Mo(s))).add(i.mul(i.dot(r).mul(u.oneMinus())));return Uf(e,l,t,n,a,o)}),If=gn(({n:e,latitudinal:t,poleAxis:r,outputDirection:s,weights:i,samples:n,dTheta:a,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})=>{const h=An(Lu(t,r,lu(r,s))).toVar();yn(h.equal(An(0)),()=>{h.assign(An(s.z,0,s.x.negate()))}),h.assign(Ao(h));const p=An().toVar();return p.addAssign(i.element(0).mul(Df({theta:0,axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),Zp({start:_n(1),end:e},({i:e})=>{yn(e.greaterThanEqual(n),()=>{Jp()});const t=Tn(a.mul(Tn(e))).toVar();p.addAssign(i.element(e).mul(Df({theta:t.mul(-1),axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),p.addAssign(i.element(e).mul(Df({theta:t,axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})))}),Ln(p,1)}),Of=gn(([e])=>{const t=vn(e).toVar();return t.assign(t.shiftLeft(vn(16)).bitOr(t.shiftRight(vn(16)))),t.assign(t.bitAnd(vn(1431655765)).shiftLeft(vn(1)).bitOr(t.bitAnd(vn(2863311530)).shiftRight(vn(1)))),t.assign(t.bitAnd(vn(858993459)).shiftLeft(vn(2)).bitOr(t.bitAnd(vn(3435973836)).shiftRight(vn(2)))),t.assign(t.bitAnd(vn(252645135)).shiftLeft(vn(4)).bitOr(t.bitAnd(vn(4042322160)).shiftRight(vn(4)))),t.assign(t.bitAnd(vn(16711935)).shiftLeft(vn(8)).bitOr(t.bitAnd(vn(4278255360)).shiftRight(vn(8)))),Tn(t).mul(2.3283064365386963e-10)}),Vf=gn(([e,t])=>Sn(Tn(e).div(Tn(t)),Of(e))),kf=gn(([e,t,r])=>{const s=r.mul(r).toConst(),i=An(1,0,0).toConst(),n=lu(t,i).toConst(),a=So(e.x).toConst(),o=Va(2,3.14159265359).mul(e.y).toConst(),u=a.mul(Lo(o)).toConst(),l=a.mul(Mo(o)).toVar(),d=Va(.5,t.z.add(1)).toConst();l.assign(d.oneMinus().mul(So(u.mul(u).oneMinus())).add(d.mul(l)));const c=i.mul(u).add(n.mul(l)).add(t.mul(So(su(0,u.mul(u).add(l.mul(l)).oneMinus()))));return Ao(An(s.mul(c.x),s.mul(c.y),su(0,c.z)))}),Gf=gn(({roughness:e,mipInt:t,envMap:r,N_immutable:s,GGX_SAMPLES:i,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:a,CUBEUV_MAX_MIP:o})=>{const u=An(s).toVar(),l=An(0).toVar(),d=Tn(0).toVar();return yn(e.lessThan(.001),()=>{l.assign(Uf(r,u,t,n,a,o))}).Else(()=>{const s=Lu($o(u.z).lessThan(.999),An(0,0,1),An(1,0,0)),c=Ao(lu(s,u)).toVar(),h=lu(u,c).toVar();Zp({start:vn(0),end:i},({i:s})=>{const p=Vf(s,i),g=kf(p,An(0,0,1),e),m=Ao(c.mul(g.x).add(h.mul(g.y)).add(u.mul(g.z))),f=Ao(m.mul(uu(u,m).mul(2)).sub(u)),y=su(uu(u,f),0);yn(y.greaterThan(0),()=>{const e=Uf(r,f,t,n,a,o);l.addAssign(e.mul(y)),d.addAssign(y)})}),yn(d.greaterThan(0),()=>{l.assign(l.div(d))})}),Ln(l,1)}),$f=[.125,.215,.35,.446,.526,.582],zf=20,Wf=new Ne(-1,1,1,-1,0,1),Hf=new Se(90,1),jf=new e;let qf=null,Xf=0,Yf=0;const Qf=new r,Kf=new WeakMap,Zf=[3,1,5,0,4,2],Jf=Ff(ql(),jl("faceIndex")).normalize(),ey=An(Jf.x,Jf.y,Jf.z);class ty{constructor(e){this._renderer=e,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._sizeLods=[],this._sigmas=[],this._lodMeshes=[],this._blurMaterial=null,this._ggxMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._backgroundBox=null}get _hasInitialized(){return this._renderer.hasInitialized()}fromScene(e,t=0,r=.1,s=100,i={}){const{size:n=256,position:a=Qf,renderTarget:o=null}=i;if(this._setSize(n),!1===this._hasInitialized)throw new Error('THREE.PMREMGenerator: .fromScene() called before the backend is initialized. Use "await renderer.init();" before using this method.');qf=this._renderer.getRenderTarget(),Xf=this._renderer.getActiveCubeFace(),Yf=this._renderer.getActiveMipmapLevel();const u=o||this._allocateTarget(!0);return this._init(u),this._sceneToCubeUV(e,r,s,u,a),t>0&&this._blur(u,0,0,t),this._applyPMREM(u),this._cleanup(u),u}async fromSceneAsync(e,t=0,r=.1,s=100,i={}){return v('PMREMGenerator: ".fromSceneAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this.fromScene(e,t,r,s,i)}fromEquirectangular(e,t=null){if(!1===this._hasInitialized)throw new Error('THREE.PMREMGenerator: .fromEquirectangular() called before the backend is initialized. Use "await renderer.init();" before using this method.');return this._fromTexture(e,t)}async fromEquirectangularAsync(e,t=null){return v('PMREMGenerator: ".fromEquirectangularAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this._fromTexture(e,t)}fromCubemap(e,t=null){if(!1===this._hasInitialized)throw new Error('THREE.PMREMGenerator: .fromCubemap() called before the backend is initialized. Use "await renderer.init();" before using this method.');return this._fromTexture(e,t)}async fromCubemapAsync(e,t=null){return v('PMREMGenerator: ".fromCubemapAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this._fromTexture(e,t)}async compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=iy(),await this._compileMaterial(this._cubemapMaterial))}async compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=ny(),await this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose(),null!==this._backgroundBox&&(this._backgroundBox.geometry.dispose(),this._backgroundBox.material.dispose())}_setSizeFromTexture(e){e.mapping===D||e.mapping===I?this._setSize(0===e.image.length?16:e.image[0].width||e.image[0].image.width):this._setSize(e.image.width/4)}_setSize(e){this._lodMax=Math.floor(Math.log2(e)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._ggxMaterial&&this._ggxMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let e=0;e<this._lodMeshes.length;e++)this._lodMeshes[e].geometry.dispose()}_cleanup(e){this._renderer.setRenderTarget(qf,Xf,Yf),e.scissorTest=!1,this._setViewport(e,0,0,e.width,e.height)}_fromTexture(e,t){this._setSizeFromTexture(e),qf=this._renderer.getRenderTarget(),Xf=this._renderer.getActiveCubeFace(),Yf=this._renderer.getActiveMipmapLevel();const r=t||this._allocateTarget(!1);return this._init(r),this._textureToCubeUV(e,r),this._applyPMREM(r),this._cleanup(r),r}_allocateTarget(e){return ry(3*Math.max(this._cubeSize,112),4*this._cubeSize,e)}_init(e){if(null===this._pingPongRenderTarget||this._pingPongRenderTarget.width!==e.width||this._pingPongRenderTarget.height!==e.height){null!==this._pingPongRenderTarget&&this._dispose(),this._pingPongRenderTarget=ry(e.width,e.height);const{_lodMax:t}=this;({lodMeshes:this._lodMeshes,sizeLods:this._sizeLods,sigmas:this._sigmas}=function(e){const t=[],r=[],s=[];let i=e;const n=e-4+1+$f.length;for(let a=0;a<n;a++){const n=Math.pow(2,i);t.push(n);let o=1/n;a>e-4?o=$f[a-e+4-1]:0===a&&(o=0),r.push(o);const u=1/(n-2),l=-u,d=1+u,c=[l,l,d,l,d,d,l,l,d,d,l,d],h=6,p=6,g=3,m=2,f=1,y=new Float32Array(g*p*h),b=new Float32Array(m*p*h),x=new Float32Array(f*p*h);for(let e=0;e<h;e++){const t=e%3*2/3-1,r=e>2?0:-1,s=[t,r,0,t+2/3,r,0,t+2/3,r+1,0,t,r,0,t+2/3,r+1,0,t,r+1,0],i=Zf[e];y.set(s,g*p*i),b.set(c,m*p*i);const n=[i,i,i,i,i,i];x.set(n,f*p*i)}const T=new ve;T.setAttribute("position",new Ae(y,g)),T.setAttribute("uv",new Ae(b,m)),T.setAttribute("faceIndex",new Ae(x,f)),s.push(new oe(T,null)),i>4&&i--}return{lodMeshes:s,sizeLods:t,sigmas:r}}(t)),this._blurMaterial=function(e,t,s){const i=ud(new Array(zf).fill(0)),n=Aa(new r(0,1,0)),a=Aa(0),o=Tn(zf),u=Aa(0),l=Aa(1),d=rd(),c=Aa(0),h=Tn(1/t),p=Tn(1/s),g=Tn(e),m={n:o,latitudinal:u,weights:i,poleAxis:n,outputDirection:ey,dTheta:a,samples:l,envMap:d,mipInt:c,CUBEUV_TEXEL_WIDTH:h,CUBEUV_TEXEL_HEIGHT:p,CUBEUV_MAX_MIP:g},f=sy("blur");return f.fragmentNode=If({...m,latitudinal:u.equal(1)}),Kf.set(f,m),f}(t,e.width,e.height),this._ggxMaterial=function(e,t,r){const s=rd(),i=Aa(0),n=Aa(0),a=Tn(1/t),o=Tn(1/r),u=Tn(e),l={envMap:s,roughness:i,mipInt:n,CUBEUV_TEXEL_WIDTH:a,CUBEUV_TEXEL_HEIGHT:o,CUBEUV_MAX_MIP:u},d=sy("ggx");return d.fragmentNode=Gf({...l,N_immutable:ey,GGX_SAMPLES:vn(512)}),Kf.set(d,l),d}(t,e.width,e.height)}}async _compileMaterial(e){const t=new oe(new ve,e);await this._renderer.compile(t,Wf)}_sceneToCubeUV(e,t,r,s,i){const n=Hf;n.near=t,n.far=r;const a=[1,1,1,1,-1,1],o=[1,-1,1,-1,1,-1],u=this._renderer,l=u.autoClear;u.getClearColor(jf),u.autoClear=!1,null===this._backgroundBox&&(this._backgroundBox=new oe(new ae,new fe({name:"PMREM.Background",side:F,depthWrite:!1,depthTest:!1})));const d=this._backgroundBox,c=d.material;let h=!1;const p=e.background;p?p.isColor&&(c.color.copy(p),e.background=null,h=!0):(c.color.copy(jf),h=!0),u.setRenderTarget(s),u.clear(),h&&u.render(d,n);for(let t=0;t<6;t++){const r=t%3;0===r?(n.up.set(0,a[t],0),n.position.set(i.x,i.y,i.z),n.lookAt(i.x+o[t],i.y,i.z)):1===r?(n.up.set(0,0,a[t]),n.position.set(i.x,i.y,i.z),n.lookAt(i.x,i.y+o[t],i.z)):(n.up.set(0,a[t],0),n.position.set(i.x,i.y,i.z),n.lookAt(i.x,i.y,i.z+o[t]));const l=this._cubeSize;this._setViewport(s,r*l,t>2?l:0,l,l),u.render(e,n)}u.autoClear=l,e.background=p}_textureToCubeUV(e,t){const r=this._renderer,s=e.mapping===D||e.mapping===I;s?null===this._cubemapMaterial&&(this._cubemapMaterial=iy(e)):null===this._equirectMaterial&&(this._equirectMaterial=ny(e));const i=s?this._cubemapMaterial:this._equirectMaterial;i.fragmentNode.value=e;const n=this._lodMeshes[0];n.material=i;const a=this._cubeSize;this._setViewport(t,0,0,3*a,2*a),r.setRenderTarget(t),r.render(n,Wf)}_applyPMREM(e){const t=this._renderer,r=t.autoClear;t.autoClear=!1;const s=this._lodMeshes.length;for(let t=1;t<s;t++)this._applyGGXFilter(e,t-1,t);t.autoClear=r}_applyGGXFilter(e,t,r){const s=this._renderer,i=this._pingPongRenderTarget,n=this._ggxMaterial,a=this._lodMeshes[r];a.material=n;const o=Kf.get(n),u=r/(this._lodMeshes.length-1),l=t/(this._lodMeshes.length-1),d=Math.sqrt(u*u-l*l)*(0+1.25*u),{_lodMax:c}=this,h=this._sizeLods[r],p=3*h*(r>c-4?r-c+4:0),g=4*(this._cubeSize-h);e.texture.frame=(e.texture.frame||0)+1,o.envMap.value=e.texture,o.roughness.value=d,o.mipInt.value=c-t,this._setViewport(i,p,g,3*h,2*h),s.setRenderTarget(i),s.render(a,Wf),i.texture.frame=(i.texture.frame||0)+1,o.envMap.value=i.texture,o.roughness.value=0,o.mipInt.value=c-r,this._setViewport(e,p,g,3*h,2*h),s.setRenderTarget(e),s.render(a,Wf)}_blur(e,t,r,s,i){const n=this._pingPongRenderTarget;this._halfBlur(e,n,t,r,s,"latitudinal",i),this._halfBlur(n,e,r,r,s,"longitudinal",i)}_halfBlur(e,t,r,s,i,n,a){const u=this._renderer,l=this._blurMaterial;"latitudinal"!==n&&"longitudinal"!==n&&o("blur direction must be either latitudinal or longitudinal!");const c=this._lodMeshes[s];c.material=l;const h=Kf.get(l),p=this._sizeLods[r]-1,g=isFinite(i)?Math.PI/(2*p):2*Math.PI/39,m=i/g,f=isFinite(i)?1+Math.floor(3*m):zf;f>zf&&d(`sigmaRadians, ${i}, is too large and will clip, as it requested ${f} samples when the maximum is set to 20`);const y=[];let b=0;for(let e=0;e<zf;++e){const t=e/m,r=Math.exp(-t*t/2);y.push(r),0===e?b+=r:e<f&&(b+=2*r)}for(let e=0;e<y.length;e++)y[e]=y[e]/b;e.texture.frame=(e.texture.frame||0)+1,h.envMap.value=e.texture,h.samples.value=f,h.weights.array=y,h.latitudinal.value="latitudinal"===n?1:0,a&&(h.poleAxis.value=a);const{_lodMax:x}=this;h.dTheta.value=g,h.mipInt.value=x-r;const T=this._sizeLods[s],_=3*T*(s>x-4?s-x+4:0),v=4*(this._cubeSize-T);this._setViewport(t,_,v,3*T,2*T),u.setRenderTarget(t),u.render(c,Wf)}_setViewport(e,t,r,s,i){this._renderer.isWebGLRenderer?(e.viewport.set(t,e.height-i-r,s,i),e.scissor.set(t,e.height-i-r,s,i)):(e.viewport.set(t,r,s,i),e.scissor.set(t,r,s,i))}}function ry(e,t,r){const s=new ne(e,t,{magFilter:le,minFilter:le,generateMipmaps:!1,type:Te,format:Ee,colorSpace:Re,depthBuffer:r});return s.texture.mapping=we,s.texture.name="PMREM.cubeUv",s.texture.isPMREMTexture=!0,s.scissorTest=!0,s}function sy(e){const t=new Ig;return t.depthTest=!1,t.depthWrite=!1,t.blending=re,t.name=`PMREM_${e}`,t}function iy(e){const t=sy("cubemap");return t.fragmentNode=Qc(e,ey),t}function ny(e){const t=sy("equirect");return t.fragmentNode=rd(e,em(ey),0),t}const ay=new WeakMap;function oy(e,t,r){const s=function(e){let t=ay.get(e);void 0===t&&(t=new WeakMap,ay.set(e,t));return t}(t);let i=s.get(e);if((void 0!==i?i.pmremVersion:-1)!==e.pmremVersion){const t=e.image;if(e.isCubeTexture){if(!function(e){if(null==e)return!1;let t=0;const r=6;for(let s=0;s<r;s++)void 0!==e[s]&&t++;return t===r}(t))return null;i=r.fromCubemap(e,i)}else{if(!function(e){return null!=e&&e.height>0}(t))return null;i=r.fromEquirectangular(e,i)}i.pmremVersion=e.pmremVersion,s.set(e,i)}return i.texture}class uy extends fi{static get type(){return"PMREMNode"}constructor(e,t=null,r=null){super("vec3"),this._value=e,this._pmrem=null,this.uvNode=t,this.levelNode=r,this._generator=null;const s=new N;s.isRenderTargetTexture=!0,this._texture=rd(s),this._width=Aa(0),this._height=Aa(0),this._maxMip=Aa(0),this.updateBeforeType=ii.RENDER}set value(e){this._value=e,this._pmrem=null}get value(){return this._value}updateFromTexture(e){const t=function(e){const t=Math.log2(e)-2,r=1/e;return{texelWidth:1/(3*Math.max(Math.pow(2,t),112)),texelHeight:r,maxMip:t}}(e.image.height);this._texture.value=e,this._width.value=t.texelWidth,this._height.value=t.texelHeight,this._maxMip.value=t.maxMip}updateBefore(e){let t=this._pmrem;const r=t?t.pmremVersion:-1,s=this._value;r!==s.pmremVersion&&(t=!0===s.isPMREMTexture||s.mapping===we?s:oy(s,e.renderer,this._generator),null!==t&&(this._pmrem=t,this.updateFromTexture(t)))}setup(e){null===this._generator&&(this._generator=new ty(e.renderer)),this.updateBefore(e);let t=this.uvNode;null===t&&e.context.getUV&&(t=e.context.getUV(this,e)),t=this._pmrem.isRenderTargetTexture?$c.mul(An(t.x,t.y.negate(),t.z)):$c.mul(t);let r=this.levelNode;return null===r&&e.context.getTextureLevel&&(r=e.context.getTextureLevel(this)),Pf(this._texture,t,r,this._width,this._height,this._maxMip)}dispose(){super.dispose(),null!==this._generator&&this._generator.dispose()}}const ly=un(uy).setParameterLength(1,3),dy=new WeakMap;class cy extends ag{static get type(){return"EnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){const{material:t}=e;let r=this.envNode;if(r.isTextureNode||r.isMaterialReferenceNode){const s=r.isTextureNode?r.value:t[r.property],i=this._getPMREMNodeCache(e.renderer);let n=i.get(s);void 0===n&&(n=ly(s),i.set(s,n)),r=n}const s=!0===t.useAnisotropy||t.anisotropy>0?Ah:Bc,i=r.context(hy(qn,s)).mul(Gc),n=r.context(py(Lc)).mul(Math.PI).mul(Gc),a=wl(i),o=wl(n);e.context.radiance.addAssign(a),e.context.iblIrradiance.addAssign(o);const u=e.context.lightingModel.clearcoatRadiance;if(u){const e=r.context(hy(Qn,Fc)).mul(Gc),t=wl(e);u.addAssign(t)}}_getPMREMNodeCache(e){let t=dy.get(e);return void 0===t&&(t=new WeakMap,dy.set(e,t)),t}}const hy=(e,t)=>{let r=null;return{getUV:()=>(null===r&&(r=_c.negate().reflect(t),r=pu(e).mix(r,t).normalize(),r=r.transformDirection(zd)),r),getTextureLevel:()=>e}},py=e=>({getUV:()=>e,getTextureLevel:()=>Tn(1)}),gy=new Ce;class my extends Ig{static get type(){return"MeshStandardNodeMaterial"}constructor(e){super(),this.isMeshStandardNodeMaterial=!0,this.lights=!0,this.emissiveNode=null,this.metalnessNode=null,this.roughnessNode=null,this.setDefaultValues(gy),this.setValues(e)}setupEnvironment(e){let t=super.setupEnvironment(e);return null===t&&e.environmentNode&&(t=e.environmentNode),t?new cy(t):null}setupLightingModel(){return new yf}setupSpecular(){const e=xu(An(.04),Wn.rgb,Xn);aa.assign(An(.04)),oa.assign(e),ua.assign(1)}setupVariants(){const e=this.metalnessNode?Tn(this.metalnessNode):Kh;Xn.assign(e);let t=this.roughnessNode?Tn(this.roughnessNode):Qh;t=Sm({roughness:t}),qn.assign(t),this.setupSpecular(),Hn.assign(Wn.rgb.mul(e.oneMinus()))}copy(e){return this.emissiveNode=e.emissiveNode,this.metalnessNode=e.metalnessNode,this.roughnessNode=e.roughnessNode,super.copy(e)}}const fy=new Me;class yy extends my{static get type(){return"MeshPhysicalNodeMaterial"}constructor(e){super(),this.isMeshPhysicalNodeMaterial=!0,this.clearcoatNode=null,this.clearcoatRoughnessNode=null,this.clearcoatNormalNode=null,this.sheenNode=null,this.sheenRoughnessNode=null,this.iridescenceNode=null,this.iridescenceIORNode=null,this.iridescenceThicknessNode=null,this.specularIntensityNode=null,this.specularColorNode=null,this.iorNode=null,this.transmissionNode=null,this.thicknessNode=null,this.attenuationDistanceNode=null,this.attenuationColorNode=null,this.dispersionNode=null,this.anisotropyNode=null,this.setDefaultValues(fy),this.setValues(e)}get useClearcoat(){return this.clearcoat>0||null!==this.clearcoatNode}get useIridescence(){return this.iridescence>0||null!==this.iridescenceNode}get useSheen(){return this.sheen>0||null!==this.sheenNode}get useAnisotropy(){return this.anisotropy>0||null!==this.anisotropyNode}get useTransmission(){return this.transmission>0||null!==this.transmissionNode}get useDispersion(){return this.dispersion>0||null!==this.dispersionNode}setupSpecular(){const e=this.iorNode?Tn(this.iorNode):cp;ga.assign(e),aa.assign(ru(cu(ga.sub(1).div(ga.add(1))).mul(qh),An(1)).mul(jh)),oa.assign(xu(aa,Wn.rgb,Xn)),ua.assign(xu(jh,1,Xn))}setupLightingModel(){return new yf(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion)}setupVariants(e){if(super.setupVariants(e),this.useClearcoat){const e=this.clearcoatNode?Tn(this.clearcoatNode):Jh,t=this.clearcoatRoughnessNode?Tn(this.clearcoatRoughnessNode):ep;Yn.assign(e),Qn.assign(Sm({roughness:t}))}if(this.useSheen){const e=this.sheenNode?An(this.sheenNode):sp,t=this.sheenRoughnessNode?Tn(this.sheenRoughnessNode):ip;Kn.assign(e),Zn.assign(t)}if(this.useIridescence){const e=this.iridescenceNode?Tn(this.iridescenceNode):ap,t=this.iridescenceIORNode?Tn(this.iridescenceIORNode):op,r=this.iridescenceThicknessNode?Tn(this.iridescenceThicknessNode):up;Jn.assign(e),ea.assign(t),ta.assign(r)}if(this.useAnisotropy){const e=(this.anisotropyNode?Sn(this.anisotropyNode):np).toVar();sa.assign(e.length()),yn(sa.equal(0),()=>{e.assign(Sn(1,0))}).Else(()=>{e.divAssign(Sn(sa)),sa.assign(sa.saturate())}),ra.assign(sa.pow2().mix(qn.pow2(),1)),ia.assign(Eh[0].mul(e.x).add(Eh[1].mul(e.y))),na.assign(Eh[1].mul(e.x).sub(Eh[0].mul(e.y)))}if(this.useTransmission){const e=this.transmissionNode?Tn(this.transmissionNode):lp,t=this.thicknessNode?Tn(this.thicknessNode):dp,r=this.attenuationDistanceNode?Tn(this.attenuationDistanceNode):hp,s=this.attenuationColorNode?An(this.attenuationColorNode):pp;if(ma.assign(e),fa.assign(t),ya.assign(r),ba.assign(s),this.useDispersion){const e=this.dispersionNode?Tn(this.dispersionNode):Tp;xa.assign(e)}}}setupClearcoatNormal(){return this.clearcoatNormalNode?An(this.clearcoatNormalNode):tp}setup(e){e.context.setupClearcoatNormal=()=>ju(this.setupClearcoatNormal(e),"NORMAL","vec3"),super.setup(e)}copy(e){return this.clearcoatNode=e.clearcoatNode,this.clearcoatRoughnessNode=e.clearcoatRoughnessNode,this.clearcoatNormalNode=e.clearcoatNormalNode,this.sheenNode=e.sheenNode,this.sheenRoughnessNode=e.sheenRoughnessNode,this.iridescenceNode=e.iridescenceNode,this.iridescenceIORNode=e.iridescenceIORNode,this.iridescenceThicknessNode=e.iridescenceThicknessNode,this.specularIntensityNode=e.specularIntensityNode,this.specularColorNode=e.specularColorNode,this.iorNode=e.iorNode,this.transmissionNode=e.transmissionNode,this.thicknessNode=e.thicknessNode,this.attenuationDistanceNode=e.attenuationDistanceNode,this.attenuationColorNode=e.attenuationColorNode,this.dispersionNode=e.dispersionNode,this.anisotropyNode=e.anisotropyNode,super.copy(e)}}class by extends yf{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1,a=!1){super(e,t,r,s,i,n),this.useSSS=a}direct({lightDirection:e,lightColor:t,reflectedLight:r},s){if(!0===this.useSSS){const i=s.material,{thicknessColorNode:n,thicknessDistortionNode:a,thicknessAmbientNode:o,thicknessAttenuationNode:u,thicknessPowerNode:l,thicknessScaleNode:d}=i,c=e.add(Bc.mul(a)).normalize(),h=Tn(_c.dot(c.negate()).saturate().pow(l).mul(d)),p=An(h.add(o).mul(n));r.directDiffuse.addAssign(p.mul(u.mul(t)))}super.direct({lightDirection:e,lightColor:t,reflectedLight:r},s)}}class xy extends yy{static get type(){return"MeshSSSNodeMaterial"}constructor(e){super(e),this.thicknessColorNode=null,this.thicknessDistortionNode=Tn(.1),this.thicknessAmbientNode=Tn(0),this.thicknessAttenuationNode=Tn(.1),this.thicknessPowerNode=Tn(2),this.thicknessScaleNode=Tn(10)}get useSSS(){return null!==this.thicknessColorNode}setupLightingModel(){return new by(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion,this.useSSS)}copy(e){return this.thicknessColorNode=e.thicknessColorNode,this.thicknessDistortionNode=e.thicknessDistortionNode,this.thicknessAmbientNode=e.thicknessAmbientNode,this.thicknessAttenuationNode=e.thicknessAttenuationNode,this.thicknessPowerNode=e.thicknessPowerNode,this.thicknessScaleNode=e.thicknessScaleNode,super.copy(e)}}const Ty=gn(({normal:e,lightDirection:t,builder:r})=>{const s=e.dot(t),i=Sn(s.mul(.5).add(.5),0);if(r.material.gradientMap){const e=rh("gradientMap","texture").context({getUV:()=>i});return An(e.r)}{const e=i.fwidth().mul(.5);return xu(An(.7),An(1),Nu(Tn(.7).sub(e.x),Tn(.7).add(e.x),i.x))}});class _y extends dm{direct({lightDirection:e,lightColor:t,reflectedLight:r},s){const i=Ty({normal:Ec,lightDirection:e,builder:s}).mul(t);r.directDiffuse.addAssign(i.mul(mm({diffuseColor:Wn.rgb})))}indirect(e){const{ambientOcclusion:t,irradiance:r,reflectedLight:s}=e.context;s.indirectDiffuse.addAssign(r.mul(mm({diffuseColor:Wn}))),s.indirectDiffuse.mulAssign(t)}}const vy=new Be;class Ny extends Ig{static get type(){return"MeshToonNodeMaterial"}constructor(e){super(),this.isMeshToonNodeMaterial=!0,this.lights=!0,this.setDefaultValues(vy),this.setValues(e)}setupLightingModel(){return new _y}}const Sy=gn(()=>{const e=An(_c.z,0,_c.x.negate()).normalize(),t=_c.cross(e);return Sn(e.dot(Bc),t.dot(Bc)).mul(.495).add(.5)}).once(["NORMAL","VERTEX"])().toVar("matcapUV"),Ry=new Le;class Ey extends Ig{static get type(){return"MeshMatcapNodeMaterial"}constructor(e){super(),this.isMeshMatcapNodeMaterial=!0,this.setDefaultValues(Ry),this.setValues(e)}setupVariants(e){const t=Sy;let r;r=e.material.matcap?rh("matcap","texture").context({getUV:()=>t}):An(xu(.2,.8,t.y)),Wn.rgb.mulAssign(r.rgb)}}class wy extends fi{static get type(){return"RotateNode"}constructor(e,t){super(),this.positionNode=e,this.rotationNode=t}generateNodeType(e){return this.positionNode.getNodeType(e)}setup(e){const{rotationNode:t,positionNode:r}=this;if("vec2"===this.getNodeType(e)){const e=t.cos(),s=t.sin();return Dn(e,s,s.negate(),e).mul(r)}{const e=t,s=On(Ln(1,0,0,0),Ln(0,Lo(e.x),Mo(e.x).negate(),0),Ln(0,Mo(e.x),Lo(e.x),0),Ln(0,0,0,1)),i=On(Ln(Lo(e.y),0,Mo(e.y),0),Ln(0,1,0,0),Ln(Mo(e.y).negate(),0,Lo(e.y),0),Ln(0,0,0,1)),n=On(Ln(Lo(e.z),Mo(e.z).negate(),0,0),Ln(Mo(e.z),Lo(e.z),0,0),Ln(0,0,1,0),Ln(0,0,0,1));return s.mul(i).mul(n).mul(Ln(r,1)).xyz}}}const Ay=un(wy).setParameterLength(2),Cy=new Fe;class My extends Ig{static get type(){return"SpriteNodeMaterial"}constructor(e){super(),this.isSpriteNodeMaterial=!0,this._useSizeAttenuation=!0,this.positionNode=null,this.rotationNode=null,this.scaleNode=null,this.transparent=!0,this.setDefaultValues(Cy),this.setValues(e)}setupPositionView(e){const{object:t,camera:r}=e,{positionNode:s,rotationNode:i,scaleNode:n,sizeAttenuation:a}=this,o=dc.mul(An(s||0));let u=Sn(sc[0].xyz.length(),sc[1].xyz.length());null!==n&&(u=u.mul(Sn(n))),r.isPerspectiveCamera&&!1===a&&(u=u.mul(o.z.negate()));let l=mc.xy;if(t.center&&!0===t.center.isVector2){const e=((e,t,r)=>new sl(e,t,r))("center","vec2",t);l=l.sub(e.sub(.5))}l=l.mul(u);const d=Tn(i||rp),c=Ay(l,d);return Ln(o.xy.add(c),o.zw)}copy(e){return this.positionNode=e.positionNode,this.rotationNode=e.rotationNode,this.scaleNode=e.scaleNode,super.copy(e)}get sizeAttenuation(){return this._useSizeAttenuation}set sizeAttenuation(e){this._useSizeAttenuation!==e&&(this._useSizeAttenuation=e,this.needsUpdate=!0)}}const By=new Pe,Ly=new t;class Fy extends My{static get type(){return"PointsNodeMaterial"}constructor(e){super(),this.sizeNode=null,this.isPointsNodeMaterial=!0,this.setDefaultValues(By),this.setValues(e)}setupPositionView(){const{positionNode:e}=this;return dc.mul(An(e||fc)).xyz}setupVertexSprite(e){const{material:t,camera:r}=e,{rotationNode:s,scaleNode:i,sizeNode:n,sizeAttenuation:a}=this;let o=super.setupVertex(e);if(!0!==t.isNodeMaterial)return o;let u=null!==n?Sn(n):xp;u=u.mul(gd),r.isPerspectiveCamera&&!0===a&&(u=u.mul(Py.div(Tc.z.negate()))),i&&i.isNode&&(u=u.mul(Sn(i)));let l=mc.xy;if(s&&s.isNode){const e=Tn(s);l=Ay(l,e)}return l=l.mul(u),l=l.div(xd.div(2)),l=l.mul(o.w),o=o.add(Ln(l,0,0)),o}setupVertex(e){return e.object.isPoints?super.setupVertex(e):this.setupVertexSprite(e)}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}}const Py=Aa(1).onFrameUpdate(function({renderer:e}){const t=e.getSize(Ly);this.value=.5*t.y});class Uy extends dm{constructor(){super(),this.shadowNode=Tn(1).toVar("shadowMask")}direct({lightNode:e}){null!==e.shadowNode&&this.shadowNode.mulAssign(e.shadowNode)}finish({context:e}){Wn.a.mulAssign(this.shadowNode.oneMinus()),e.outgoingLight.rgb.assign(Wn.rgb)}}const Dy=new Ue;class Iy extends Ig{static get type(){return"ShadowNodeMaterial"}constructor(e){super(),this.isShadowNodeMaterial=!0,this.lights=!0,this.transparent=!0,this.setDefaultValues(Dy),this.setValues(e)}setupLightingModel(){return new Uy}}const Oy=$n("vec3"),Vy=$n("vec3"),ky=$n("vec3");class Gy extends dm{constructor(){super()}start(e){const{material:t}=e,r=$n("vec3"),s=$n("vec3");yn(Hd.sub(bc).length().greaterThan(oc.mul(2)),()=>{r.assign(Hd),s.assign(bc)}).Else(()=>{r.assign(bc),s.assign(Hd)});const i=s.sub(r),n=Aa("int").onRenderUpdate(({material:e})=>e.steps),a=i.length().div(n).toVar(),o=i.normalize().toVar(),u=Tn(0).toVar(),l=An(1).toVar();t.offsetNode&&u.addAssign(t.offsetNode.mul(a)),Zp(n,()=>{const s=r.add(o.mul(u)),i=$d.mul(Ln(s,1)).xyz;let n;null!==t.depthNode&&(Vy.assign(Cg(Ng(i.z,Od,Vd))),e.context.sceneDepthNode=Cg(t.depthNode).toVar()),e.context.positionWorld=s,e.context.shadowPositionWorld=s,e.context.positionView=i,Oy.assign(0),t.scatteringNode&&(n=t.scatteringNode({positionRay:s})),super.start(e),n&&Oy.mulAssign(n);const d=Oy.mul(.01).negate().mul(a).exp();l.mulAssign(d),u.addAssign(a)}),ky.addAssign(l.saturate().oneMinus())}scatteringLight(e,t){const r=t.context.sceneDepthNode;r?yn(r.greaterThanEqual(Vy),()=>{Oy.addAssign(e)}):Oy.addAssign(e)}direct({lightNode:e,lightColor:t},r){if(void 0===e.light.distance)return;const s=t.xyz.toVar();s.mulAssign(e.shadowNode),this.scatteringLight(s,r)}directRectArea({lightColor:e,lightPosition:t,halfWidth:r,halfHeight:s},i){const n=t.add(r).sub(s),a=t.sub(r).sub(s),o=t.sub(r).add(s),u=t.add(r).add(s),l=i.context.positionView,d=e.xyz.mul(Wm({P:l,p0:n,p1:a,p2:o,p3:u})).pow(1.5);this.scatteringLight(d,i)}finish(e){e.context.outgoingLight.assign(ky)}}class $y extends Ig{static get type(){return"VolumeNodeMaterial"}constructor(e){super(),this.isVolumeNodeMaterial=!0,this.steps=25,this.offsetNode=null,this.scatteringNode=null,this.lights=!0,this.transparent=!0,this.side=F,this.depthTest=!1,this.depthWrite=!1,this.setValues(e)}setupLightingModel(){return new Gy}}class zy{constructor(e,t,r){this.renderer=e,this.nodes=t,this.info=r,this._context="undefined"!=typeof self?self:null,this._animationLoop=null,this._requestId=null}start(){const e=(t,r)=>{this._requestId=this._context.requestAnimationFrame(e),!0===this.info.autoReset&&this.info.reset(),this.nodes.nodeFrame.update(),this.info.frame=this.nodes.nodeFrame.frameId,this.renderer._inspector.begin(),null!==this._animationLoop&&this._animationLoop(t,r),this.renderer._inspector.finish()};e()}stop(){null!==this._context&&this._context.cancelAnimationFrame(this._requestId),this._requestId=null}getAnimationLoop(){return this._animationLoop}setAnimationLoop(e){this._animationLoop=e}getContext(){return this._context}setContext(e){this._context=e}dispose(){this.stop()}}class Wy{constructor(){this.weakMaps={}}_getWeakMap(e){const t=e.length;let r=this.weakMaps[t];return void 0===r&&(r=new WeakMap,this.weakMaps[t]=r),r}get(e){let t=this._getWeakMap(e);for(let r=0;r<e.length-1;r++)if(t=t.get(e[r]),void 0===t)return;return t.get(e[e.length-1])}set(e,t){let r=this._getWeakMap(e);for(let t=0;t<e.length-1;t++){const s=e[t];!1===r.has(s)&&r.set(s,new WeakMap),r=r.get(s)}return r.set(e[e.length-1],t),this}delete(e){let t=this._getWeakMap(e);for(let r=0;r<e.length-1;r++)if(t=t.get(e[r]),void 0===t)return!1;return t.delete(e[e.length-1])}}let Hy=0;class jy{constructor(e,t,r,s,i,n,a,o,u,l){this.id=Hy++,this._nodes=e,this._geometries=t,this.renderer=r,this.object=s,this.material=i,this.scene=n,this.camera=a,this.lightsNode=o,this.context=u,this.geometry=s.geometry,this.version=i.version,this.drawRange=null,this.attributes=null,this.attributesId=null,this.pipeline=null,this.group=null,this.vertexBuffers=null,this.drawParams=null,this.bundle=null,this.clippingContext=l,this.clippingContextCacheKey=null!==l?l.cacheKey:"",this.initialNodesCacheKey=this.getDynamicCacheKey(),this.initialCacheKey=this.getCacheKey(),this._nodeBuilderState=null,this._bindings=null,this._monitor=null,this._sourceMaterial=r._currentSourceMaterial,this.onDispose=null,this.isRenderObject=!0,this.onMaterialDispose=()=>{this.dispose()},this.onGeometryDispose=()=>{this.attributes=null,this.attributesId=null},this.material.addEventListener("dispose",this.onMaterialDispose),this.geometry.addEventListener("dispose",this.onGeometryDispose),null!==this._sourceMaterial&&this._sourceMaterial.addEventListener("dispose",this.onMaterialDispose)}updateClipping(e){this.clippingContext=e}get clippingNeedsUpdate(){return null!==this.clippingContext&&this.clippingContext.cacheKey!==this.clippingContextCacheKey&&(this.clippingContextCacheKey=this.clippingContext.cacheKey,!0)}get hardwareClippingPlanes(){return!0===this.getNodeBuilderState().hardwareClipping?this.clippingContext.unionClippingCount:0}getNodeBuilderState(){return this._nodeBuilderState||(this._nodeBuilderState=this._nodes.getForRender(this))}getMonitor(){return this._monitor||(this._monitor=this.getNodeBuilderState().observer)}getBindings(){return this._bindings||(this._bindings=this.getNodeBuilderState().createBindings())}getBindingGroup(e){for(const t of this.getBindings())if(t.name===e)return t}getIndex(){return this._geometries.getIndex(this)}getIndirect(){return this._geometries.getIndirect(this)}getIndirectOffset(){return this._geometries.getIndirectOffset(this)}getChainArray(){return[this.object,this.material,this.context,this.lightsNode]}setGeometry(e){this.geometry=e,this.attributes=null,this.attributesId=null}getAttributes(){if(null!==this.attributes)return this.attributes;const e=this.getNodeBuilderState().nodeAttributes,t=this.geometry,r=[],s=new Set,i={};for(const n of e){let e;if(n.node&&n.node.attribute?e=n.node.attribute:(e=t.getAttribute(n.name),void 0!==e&&(e.isInterleavedBufferAttribute?i[n.name]=e.data.uuid:i[n.name]=e.id)),void 0===e)continue;r.push(e);const a=e.isInterleavedBufferAttribute?e.data:e;s.add(a)}return this.attributes=r,this.attributesId=i,this.vertexBuffers=Array.from(s.values()),r}getVertexBuffers(){return null===this.vertexBuffers&&this.getAttributes(),this.vertexBuffers}getDrawParameters(){const{object:e,material:t,geometry:r,group:s,drawRange:i}=this,n=this.drawParams||(this.drawParams={vertexCount:0,firstVertex:0,instanceCount:0,firstInstance:0}),a=this.getIndex(),o=null!==a;let u=1;if(!0===r.isInstancedBufferGeometry?u=r.instanceCount:void 0!==e.count&&(u=Math.max(0,e.count)),0===u)return null;if(n.instanceCount=u,!0===e.isBatchedMesh)return n;let l=1;!0!==t.wireframe||e.isPoints||e.isLineSegments||e.isLine||e.isLineLoop||(l=2);let d=i.start*l,c=(i.start+i.count)*l;null!==s&&(d=Math.max(d,s.start*l),c=Math.min(c,(s.start+s.count)*l));const h=r.attributes.position;let p=1/0;o?p=a.count:null!=h&&(p=h.count),d=Math.max(d,0),c=Math.min(c,p);const g=c-d;return g<0||g===1/0?null:(n.vertexCount=g,n.firstVertex=d,n)}getGeometryCacheKey(){const{geometry:e}=this;let t="";for(const r of Object.keys(e.attributes).sort()){const s=e.attributes[r];t+=r+",",s.data&&(t+=s.data.stride+","),s.offset&&(t+=s.offset+","),s.itemSize&&(t+=s.itemSize+","),s.normalized&&(t+="n,")}for(const r of Object.keys(e.morphAttributes).sort()){const s=e.morphAttributes[r];t+="morph-"+r+",";for(let e=0,r=s.length;e<r;e++){t+=s[e].id+","}}return e.index&&(t+="index,"),t}getMaterialCacheKey(){const{object:e,material:t,renderer:r}=this;let s=t.customProgramCacheKey();for(const e of function(e){const t=Object.keys(e);let r=Object.getPrototypeOf(e);for(;r;){const e=Object.getOwnPropertyDescriptors(r);for(const r in e)if(void 0!==e[r]){const s=e[r];s&&"function"==typeof s.get&&t.push(r)}r=Object.getPrototypeOf(r)}return t}(t)){if(/^(is[A-Z]|_)|^(visible|version|uuid|name|opacity|userData)$/.test(e))continue;const i=t[e];let n;if(null!==i){const e=typeof i;"number"===e?n=0!==i?"1":"0":"object"===e?(n="{",i.isTexture&&(n+=i.mapping,!0===r.backend.isWebGPUBackend&&(n+=i.magFilter,n+=i.minFilter,n+=i.wrapS,n+=i.wrapT,n+=i.wrapR)),n+="}"):n=String(i)}else n=String(i);s+=n+","}return s+=this.clippingContextCacheKey+",",e.geometry&&(s+=this.getGeometryCacheKey()),e.skeleton&&(s+=e.skeleton.bones.length+","),e.isBatchedMesh&&(s+=e._matricesTexture.uuid+",",null!==e._colorsTexture&&(s+=e._colorsTexture.uuid+",")),(e.isInstancedMesh||e.count>1||Array.isArray(e.morphTargetInfluences))&&(s+=e.uuid+","),s+=this.context.id+",",s+=e.receiveShadow+",",Gs(s)}get needsGeometryUpdate(){if(this.geometry.id!==this.object.geometry.id)return!0;if(null!==this.attributes){const e=this.attributesId;for(const t in e){const r=this.geometry.getAttribute(t);if(void 0===r)return!0;const s=r.isInterleavedBufferAttribute?r.data.uuid:r.id;if(e[t]!==s)return!0}}return!1}get needsUpdate(){return this.initialNodesCacheKey!==this.getDynamicCacheKey()||this.clippingNeedsUpdate}getDynamicCacheKey(){let e=0;return!0!==this.material.isShadowPassMaterial&&(e=this._nodes.getCacheKey(this.scene,this.lightsNode)),this.camera.isArrayCamera&&(e=zs(e,this.camera.cameras.length)),this.object.receiveShadow&&(e=zs(e,1)),e=zs(e,this.renderer.contextNode.id,this.renderer.contextNode.version),e}getCacheKey(){return this.getMaterialCacheKey()+this.getDynamicCacheKey()}dispose(){this.material.removeEventListener("dispose",this.onMaterialDispose),this.geometry.removeEventListener("dispose",this.onGeometryDispose),null!==this._sourceMaterial&&this._sourceMaterial.removeEventListener("dispose",this.onMaterialDispose),this.onDispose()}}const qy=[];class Xy{constructor(e,t,r,s,i,n){this.renderer=e,this.nodes=t,this.geometries=r,this.pipelines=s,this.bindings=i,this.info=n,this.chainMaps={}}get(e,t,r,s,i,n,a,o){const u=this.getChainMap(o);qy[0]=e,qy[1]=t,qy[2]=n,qy[3]=i;let l=u.get(qy);return void 0===l?(l=this.createRenderObject(this.nodes,this.geometries,this.renderer,e,t,r,s,i,n,a,o),u.set(qy,l)):(l.camera=s,l.updateClipping(a),l.needsGeometryUpdate&&l.setGeometry(e.geometry),(l.version!==t.version||l.needsUpdate)&&(l.initialCacheKey!==l.getCacheKey()?(l.dispose(),l=this.get(e,t,r,s,i,n,a,o)):l.version=t.version)),qy[0]=null,qy[1]=null,qy[2]=null,qy[3]=null,l}getChainMap(e="default"){return this.chainMaps[e]||(this.chainMaps[e]=new Wy)}dispose(){this.chainMaps={}}createRenderObject(e,t,r,s,i,n,a,o,u,l,d){const c=this.getChainMap(d),h=new jy(e,t,r,s,i,n,a,o,u,l);return h.onDispose=()=>{this.pipelines.delete(h),this.bindings.deleteForRender(h),this.nodes.delete(h),c.delete(h.getChainArray())},h}}class Yy{constructor(){this.data=new WeakMap}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}delete(e){let t=null;return this.data.has(e)&&(t=this.data.get(e),this.data.delete(e)),t}has(e){return this.data.has(e)}dispose(){this.data=new WeakMap}}const Qy=1,Ky=2,Zy=3,Jy=4,eb=16;class tb extends Yy{constructor(e,t){super(),this.backend=e,this.info=t}delete(e){const t=super.delete(e);return null!==t&&(this.backend.destroyAttribute(e),this.info.destroyAttribute(e)),t}update(e,t){const r=this.get(e);if(void 0===r.version)t===Qy?(this.backend.createAttribute(e),this.info.createAttribute(e)):t===Ky?(this.backend.createIndexAttribute(e),this.info.createIndexAttribute(e)):t===Zy?(this.backend.createStorageAttribute(e),this.info.createStorageAttribute(e)):t===Jy&&(this.backend.createIndirectStorageAttribute(e),this.info.createIndirectStorageAttribute(e)),r.version=this._getBufferAttribute(e).version;else{const t=this._getBufferAttribute(e);(r.version<t.version||t.usage===x)&&(this.backend.updateAttribute(e),r.version=t.version)}}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}function rb(e){return null!==e.index?e.index.version:e.attributes.position.version}function sb(e){return null!==e.index?e.index.id:e.attributes.position.id}function ib(e){const t=[],r=e.index,s=e.attributes.position;if(null!==r){const e=r.array;for(let r=0,s=e.length;r<s;r+=3){const s=e[r+0],i=e[r+1],n=e[r+2];t.push(s,i,i,n,n,s)}}else{for(let e=0,r=s.array.length/3-1;e<r;e+=3){const r=e+0,s=e+1,i=e+2;t.push(r,s,s,i,i,r)}}const i=new(s.count>=65535?De:Ie)(t,1);return i.version=rb(e),i.__id=sb(e),i}class nb extends Yy{constructor(e,t){super(),this.attributes=e,this.info=t,this.wireframes=new WeakMap,this.attributeCall=new WeakMap,this._geometryDisposeListeners=new Map}has(e){const t=e.geometry;return super.has(t)&&!0===this.get(t).initialized}updateForRender(e){!1===this.has(e)&&this.initGeometry(e),this.updateAttributes(e)}initGeometry(e){const t=e.geometry;this.get(t).initialized=!0,this.info.memory.geometries++;const r=()=>{this.info.memory.geometries--;const s=t.index,i=e.getAttributes();null!==s&&this.attributes.delete(s);for(const e of i)this.attributes.delete(e);const n=this.wireframes.get(t);void 0!==n&&this.attributes.delete(n),t.removeEventListener("dispose",r),this._geometryDisposeListeners.delete(t)};t.addEventListener("dispose",r),this._geometryDisposeListeners.set(t,r)}updateAttributes(e){const t=e.getAttributes();for(const e of t)e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute?this.updateAttribute(e,Zy):this.updateAttribute(e,Qy);const r=this.getIndex(e);null!==r&&this.updateAttribute(r,Ky);const s=e.geometry.indirect;null!==s&&this.updateAttribute(s,Jy)}updateAttribute(e,t){const r=this.info.render.calls;e.isInterleavedBufferAttribute?void 0===this.attributeCall.get(e)?(this.attributes.update(e,t),this.attributeCall.set(e,r)):this.attributeCall.get(e.data)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e.data,r),this.attributeCall.set(e,r)):this.attributeCall.get(e)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e,r))}getIndirect(e){return e.geometry.indirect}getIndirectOffset(e){return e.geometry.indirectOffset}getIndex(e){const{geometry:t,material:r}=e;let s=t.index;if(!0===r.wireframe){const e=this.wireframes;let r=e.get(t);void 0===r?(r=ib(t),e.set(t,r)):r.version===rb(t)&&r.__id===sb(t)||(this.attributes.delete(r),r=ib(t),e.set(t,r)),s=r}return s}dispose(){for(const[e,t]of this._geometryDisposeListeners.entries())e.removeEventListener("dispose",t);this._geometryDisposeListeners.clear()}}class ab{constructor(){this.autoReset=!0,this.frame=0,this.calls=0,this.render={calls:0,frameCalls:0,drawCalls:0,triangles:0,points:0,lines:0,timestamp:0},this.compute={calls:0,frameCalls:0,timestamp:0},this.memory={attributes:0,attributesSize:0,geometries:0,indexAttributes:0,indexAttributesSize:0,indirectStorageAttributes:0,indirectStorageAttributesSize:0,programs:0,programsSize:0,readbackBuffers:0,readbackBuffersSize:0,renderTargets:0,storageAttributes:0,storageAttributesSize:0,textures:0,texturesSize:0,uniformBuffers:0,uniformBuffersSize:0,total:0},this.memoryMap=new Map}update(e,t,r){this.render.drawCalls++,e.isMesh||e.isSprite?this.render.triangles+=r*(t/3):e.isPoints?this.render.points+=r*t:e.isLineSegments?this.render.lines+=r*(t/2):e.isLine?this.render.lines+=r*(t-1):o("WebGPUInfo: Unknown object type.")}reset(){this.render.drawCalls=0,this.render.frameCalls=0,this.compute.frameCalls=0,this.render.triangles=0,this.render.points=0,this.render.lines=0}dispose(){this.reset(),this.calls=0,this.render.calls=0,this.compute.calls=0,this.render.timestamp=0,this.compute.timestamp=0;for(const e in this.memory)this.memory[e]=0;this.memoryMap.clear()}createTexture(e){const t=this._getTextureMemorySize(e);this.memoryMap.set(e,t),this.memory.textures++,this.memory.total+=t,this.memory.texturesSize+=t}destroyTexture(e){const t=this.memoryMap.get(e)||0;this.memoryMap.delete(e),this.memory.textures--,this.memory.total-=t,this.memory.texturesSize-=t}_createAttribute(e,t){const r=this._getAttributeMemorySize(e);this.memoryMap.set(e,{size:r,type:t}),this.memory[t]++,this.memory.total+=r,this.memory[t+"Size"]+=r}createAttribute(e){this._createAttribute(e,"attributes")}createIndexAttribute(e){this._createAttribute(e,"indexAttributes")}createStorageAttribute(e){this._createAttribute(e,"storageAttributes")}createIndirectStorageAttribute(e){this._createAttribute(e,"indirectStorageAttributes")}destroyAttribute(e){const t=this.memoryMap.get(e);t&&(this.memoryMap.delete(e),this.memory[t.type]--,this.memory.total-=t.size,this.memory[t.type+"Size"]-=t.size)}createReadbackBuffer(e){const t=e.maxByteLength;this.memoryMap.set(e,{size:t,type:"readbackBuffers"}),this.memory.readbackBuffers++,this.memory.total+=t,this.memory.readbackBuffersSize+=t}destroyReadbackBuffer(e){const{size:t}=this.memoryMap.get(e);this.memoryMap.delete(e),this.memory.readbackBuffers--,this.memory.total-=t,this.memory.readbackBuffersSize-=t}createUniformBuffer(e){const t=e.byteLength;this.memoryMap.set(e,{size:t,type:"uniformBuffers"}),this.memory.uniformBuffers++,this.memory.total+=t,this.memory.uniformBuffersSize+=t}destroyUniformBuffer(e){const t=this.memoryMap.get(e);t&&(this.memoryMap.delete(e),this.memory.uniformBuffers--,this.memory.total-=t.size,this.memory.uniformBuffersSize-=t.size)}createProgram(e){const t=e.code.length;this.memoryMap.set(e,t),this.memory.programs++,this.memory.total+=t,this.memory.programsSize+=t}destroyProgram(e){const t=this.memoryMap.get(e)||0;this.memoryMap.delete(e),this.memory.programs--,this.memory.total-=t,this.memory.programsSize-=t}_getTextureMemorySize(e){if(e.isCompressedTexture)return 1;let t=1;e.type===Oe||e.type===Ve?t=1:e.type===ke||e.type===Ge||e.type===Te?t=2:e.type!==R&&e.type!==S&&e.type!==Y||(t=4);let r=4;e.format===$e||e.format===ze||e.format===We||e.format===He||e.format===je?r=1:e.format===z||e.format===qe?r=2:e.format!==Xe&&e.format!==Ye||(r=3);let s=t*r;e.type===Qe||e.type===Ke?s=2:e.type!==Ze&&e.type!==Je&&e.type!==et||(s=4);const i=e.width||1,n=e.height||1,a=e.isCubeTexture?6:e.depth||1;let o=i*n*a*s;const u=e.mipmaps;if(u&&u.length>0){let e=0;for(let t=0;t<u.length;t++){const r=u[t];if(r.data)e+=r.data.byteLength;else{e+=(r.width||Math.max(1,i>>t))*(r.height||Math.max(1,n>>t))*a*s}}o+=e}else e.generateMipmaps&&(o*=1.333);return Math.round(o)}_getAttributeMemorySize(e){return e.isInterleavedBufferAttribute&&(e=e.data),e.array?e.array.byteLength:e.count&&e.itemSize?e.count*e.itemSize*4:0}}class ob{constructor(e){this.cacheKey=e,this.usedTimes=0}}class ub extends ob{constructor(e,t,r){super(e),this.vertexProgram=t,this.fragmentProgram=r}}class lb extends ob{constructor(e,t){super(e),this.computeProgram=t,this.isComputePipeline=!0}}let db=0;class cb{constructor(e,t,r,s=null,i=null){this.id=db++,this.code=e,this.stage=t,this.name=r,this.transforms=s,this.attributes=i,this.usedTimes=0}}class hb extends Yy{constructor(e,t,r){super(),this.backend=e,this.nodes=t,this.info=r,this.bindings=null,this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}getForCompute(e,t){const{backend:r}=this,s=this.get(e);if(this._needsComputeUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.computeProgram.usedTimes--);const n=this.nodes.getForCompute(e);let a=this.programs.compute.get(n.computeShader);void 0===a&&(i&&0===i.computeProgram.usedTimes&&this._releaseProgram(i.computeProgram),a=new cb(n.computeShader,"compute",e.name,n.transforms,n.nodeAttributes),this.programs.compute.set(n.computeShader,a),r.createProgram(a),this.info.createProgram(a));const o=this._getComputeCacheKey(e,a);let u=this.caches.get(o);void 0===u&&(i&&0===i.usedTimes&&this._releasePipeline(i),u=this._getComputePipeline(e,a,o,t)),u.usedTimes++,a.usedTimes++,s.version=e.version,s.pipeline=u}return s.pipeline}getForRender(e,t=null){const{backend:r}=this,s=this.get(e);if(this._needsRenderUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.vertexProgram.usedTimes--,i.fragmentProgram.usedTimes--);const n=e.getNodeBuilderState(),a=e.material?e.material.name:"";let o=this.programs.vertex.get(n.vertexShader);void 0===o&&(i&&0===i.vertexProgram.usedTimes&&this._releaseProgram(i.vertexProgram),o=new cb(n.vertexShader,"vertex",a),this.programs.vertex.set(n.vertexShader,o),r.createProgram(o),this.info.createProgram(o));let u=this.programs.fragment.get(n.fragmentShader);void 0===u&&(i&&0===i.fragmentProgram.usedTimes&&this._releaseProgram(i.fragmentProgram),u=new cb(n.fragmentShader,"fragment",a),this.programs.fragment.set(n.fragmentShader,u),r.createProgram(u),this.info.createProgram(u));const l=this._getRenderCacheKey(e,o,u);let d=this.caches.get(l);void 0===d?(i&&0===i.usedTimes&&this._releasePipeline(i),d=this._getRenderPipeline(e,o,u,l,t)):e.pipeline=d,d.usedTimes++,o.usedTimes++,u.usedTimes++,s.pipeline=d}return s.pipeline}isReady(e){const t=this.get(e).pipeline;if(void 0===t)return!1;const r=this.backend.get(t);return void 0!==r.pipeline&&null!==r.pipeline}delete(e){const t=this.get(e).pipeline;return t&&(t.usedTimes--,0===t.usedTimes&&this._releasePipeline(t),t.isComputePipeline?(t.computeProgram.usedTimes--,0===t.computeProgram.usedTimes&&this._releaseProgram(t.computeProgram)):(t.fragmentProgram.usedTimes--,t.vertexProgram.usedTimes--,0===t.vertexProgram.usedTimes&&this._releaseProgram(t.vertexProgram),0===t.fragmentProgram.usedTimes&&this._releaseProgram(t.fragmentProgram))),super.delete(e)}dispose(){super.dispose(),this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}updateForRender(e){this.getForRender(e)}_getComputePipeline(e,t,r,s){r=r||this._getComputeCacheKey(e,t);let i=this.caches.get(r);return void 0===i&&(i=new lb(r,t),this.caches.set(r,i),this.backend.createComputePipeline(i,s)),i}_getRenderPipeline(e,t,r,s,i){s=s||this._getRenderCacheKey(e,t,r);let n=this.caches.get(s);return void 0===n&&(n=new ub(s,t,r),this.caches.set(s,n),e.pipeline=n,this.backend.createRenderPipeline(e,i)),n}_getComputeCacheKey(e,t){return e.id+","+t.id}_getRenderCacheKey(e,t,r){return t.id+","+r.id+","+this.backend.getRenderCacheKey(e)}_releasePipeline(e){this.caches.delete(e.cacheKey)}_releaseProgram(e){const t=e.code,r=e.stage;this.programs[r].delete(t),this.info.destroyProgram(e)}_needsComputeUpdate(e){const t=this.get(e);return void 0===t.pipeline||t.version!==e.version}_needsRenderUpdate(e){return void 0===this.get(e).pipeline||this.backend.needsRenderUpdate(e)}}class pb extends Yy{constructor(e,t,r,s,i,n){super(),this.backend=e,this.textures=r,this.pipelines=i,this.attributes=s,this.nodes=t,this.info=n,this.pipelines.bindings=this}getForRender(e){const t=e.getBindings(),r=this.get(e);return!0!==r.initialized&&(this._createBindings(t),r.initialized=!0),t}getForCompute(e){const t=this.nodes.getForCompute(e).bindings,r=this.get(e);return!0===r.initialized&&r.bindings===t||(void 0!==r.bindings&&this._destroyBindings(r.bindings),this._createBindings(t),r.initialized=!0,r.bindings=t),t}updateForCompute(e){this._updateBindings(this.getForCompute(e))}updateForRender(e){this._updateBindings(this.getForRender(e))}deleteForCompute(e){const t=this.get(e).bindings||this.nodes.getForCompute(e).bindings;this._destroyBindings(t),this.delete(e)}deleteForRender(e){const t=e.getBindings();this._destroyBindings(t),this.delete(e)}_createBindings(e){for(const t of e){const r=this.get(t);if(void 0===r.bindGroup){for(const e of t.bindings)if(e.isUniformBuffer)this.backend.createUniformBuffer(e),this.info.createUniformBuffer(e);else if(e.isSampledTexture)this.textures.updateTexture(e.texture);else if(e.isSampler)this.textures.updateSampler(e.texture,e.textureNode);else if(e.isStorageBuffer){const t=e.attribute,r=t.isIndirectStorageBufferAttribute?Jy:Zy;this.attributes.update(t,r)}this.backend.createBindings(t,e,0),r.bindGroup=t,r.usedTimes=1}else r.usedTimes++}}_destroyBindings(e){for(const t of e){const e=this.get(t);if(e.usedTimes--,0===e.usedTimes){for(const e of t.bindings)e.isUniformBuffer?(this.backend.destroyUniformBuffer(e),this.info.destroyUniformBuffer(e),e.release()):e.isSampler&&e.release();this.backend.deleteBindGroupData(t),this.delete(t)}}}_updateBindings(e){for(const t of e)this._update(t,e)}_update(e,t){const{backend:r}=this;let s=!1,i=!0,n=0,a=0;for(const t of e.bindings){if(!1!==this.nodes.updateGroup(t)){if(t.isStorageBuffer){const e=t.attribute,i=e.isIndirectStorageBufferAttribute?Jy:Zy,n=r.get(t);this.attributes.update(e,i),n.attribute!==e&&(n.attribute=e,s=!0)}if(t.isUniformBuffer){t.update()&&r.updateBinding(t)}else if(t.isSampledTexture){const o=t.update(),u=t.texture,l=this.textures.get(u);o&&(this.textures.updateTexture(u),t.generation!==l.generation&&(t.generation=l.generation,s=!0),l.bindGroups.add(e));if(void 0!==r.get(u).externalTexture||l.isDefaultTexture?i=!1:(n=10*n+u.id,a+=u.version),!0===u.isStorageTexture&&!0===u.mipmapsAutoUpdate){const e=this.get(u);!0===t.store?e.needsMipmap=!0:this.textures.needsMipmaps(u)&&!0===e.needsMipmap&&(this.backend.generateMipmaps(u),e.needsMipmap=!1)}}else if(t.isSampler){if(t.update()){const e=this.textures.updateSampler(t.texture,t.textureNode);t.samplerKey!==e&&(t.samplerKey=e,s=!0)}}t.isBuffer&&t.updateRanges.length>0&&t.clearUpdateRanges()}}!0===s&&this.backend.updateBindings(e,t,i?n:0,a)}}const gb=Object.freeze([]);function mb(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?e.z-t.z:e.id-t.id}function fb(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?t.z-e.z:e.id-t.id}function yb(e){return(e.transmission>0||e.transmissionNode&&e.transmissionNode.isNode)&&e.side===P&&!1===e.forceSinglePass}class bb{constructor(e,t,r){this.renderItems=[],this.renderItemsIndex=0,this.opaque=[],this.transparentDoublePass=[],this.transparent=[],this.bundles=[],this.lighting=e,this.lightsNode=e.getNode(t),this.lightsArray=[],this.scene=t,this.camera=r,this.occlusionQueryCount=0}begin(){return this.renderItemsIndex=0,this.opaque.length=0,this.transparentDoublePass.length=0,this.transparent.length=0,this.bundles.length=0,this.lightsArray.length=0,this.occlusionQueryCount=0,this}getNextRenderItem(e,t,r,s,i,n,a){let o=this.renderItems[this.renderItemsIndex];return void 0===o?(o={id:e.id,object:e,geometry:t,material:r,groupOrder:s,renderOrder:e.renderOrder,z:i,group:n,clippingContext:a},this.renderItems[this.renderItemsIndex]=o):(o.id=e.id,o.object=e,o.geometry=t,o.material=r,o.groupOrder=s,o.renderOrder=e.renderOrder,o.z=i,o.group=n,o.clippingContext=a),this.renderItemsIndex++,o}push(e,t,r,s,i,n,a){const o=this.getNextRenderItem(e,t,r,s,i,n,a);!0===e.occlusionTest&&this.occlusionQueryCount++,!0===r.transparent||r.transmission>0||r.transmissionNode&&r.transmissionNode.isNode||r.backdropNode&&r.backdropNode.isNode?(yb(r)&&this.transparentDoublePass.push(o),this.transparent.push(o)):this.opaque.push(o)}unshift(e,t,r,s,i,n,a){const o=this.getNextRenderItem(e,t,r,s,i,n,a);!0===r.transparent||r.transmission>0||r.transmissionNode&&r.transmissionNode.isNode||r.backdropNode&&r.backdropNode.isNode?(yb(r)&&this.transparentDoublePass.unshift(o),this.transparent.unshift(o)):this.opaque.unshift(o)}pushBundle(e){this.bundles.push(e)}pushLight(e){this.lightsArray.push(e)}sort(e,t,r){this.opaque.length>1&&this.opaque.sort(e||mb),this.transparentDoublePass.length>1&&this.transparentDoublePass.sort(t||fb),this.transparent.length>1&&this.transparent.sort(t||fb),r&&(this.opaque.reverse(),this.transparentDoublePass.reverse(),this.transparent.reverse())}finish(){this.lightsNode.setLights(this.lighting.enabled?this.lightsArray:gb);for(let e=this.renderItemsIndex,t=this.renderItems.length;e<t;e++){const t=this.renderItems[e];if(null===t.id)break;t.id=null,t.object=null,t.geometry=null,t.material=null,t.groupOrder=null,t.renderOrder=null,t.z=null,t.group=null,t.clippingContext=null}}}const xb=[];class Tb{constructor(e){this.lighting=e,this.lists=new Wy}get(e,t){const r=this.lists;xb[0]=e,xb[1]=t;let s=r.get(xb);return void 0===s&&(s=new bb(this.lighting,e,t),r.set(xb,s)),xb[0]=null,xb[1]=null,s}dispose(){this.lists=new Wy}}let _b=0;class vb{constructor(){this.id=_b++,this.mrt=null,this.color=!0,this.clearColor=!0,this.clearColorValue={r:0,g:0,b:0,a:1},this.depth=!0,this.clearDepth=!0,this.clearDepthValue=1,this.stencil=!1,this.clearStencil=!0,this.clearStencilValue=1,this.viewport=!1,this.viewportValue=new s,this.scissor=!1,this.scissorValue=new s,this.renderTarget=null,this.textures=null,this.depthTexture=null,this.activeCubeFace=0,this.activeMipmapLevel=0,this.sampleCount=1,this.width=0,this.height=0,this.occlusionQueryCount=0,this.clippingContext=null,this.camera=null,this.isRenderContext=!0}getCacheKey(){return Nb(this)}}function Nb(e){const{textures:t,activeCubeFace:r,activeMipmapLevel:s}=e,i=[r,s];for(const e of t)i.push(e.id);return $s(i)}class Sb{constructor(e){this.renderer=e,this._renderContexts={}}get(e=null,t=null,r=0){let s;if(null===e)s="default";else{const t=e.texture.format,r=e.texture.type;s=`${e.textures.length}:${t}:${r}:${e.samples}:${e.depthBuffer}:${e.stencilBuffer}`}const i=s+"-"+(null!==t?t.id:"default")+"-"+r;let n=this._renderContexts[i];return void 0===n&&(n=new vb,n.mrt=t,this._renderContexts[i]=n),null!==e&&(n.sampleCount=0===e.samples?1:e.samples),n.clearDepthValue=this.renderer.getClearDepth(),n.clearStencilValue=this.renderer.getClearStencil(),n}dispose(){this._renderContexts={}}}const Rb=new r;class Eb extends Yy{constructor(e,t,r){super(),this.renderer=e,this.backend=t,this.info=r,this._htmlTextures=new Set}updateRenderTarget(e,t=0){const r=this.get(e),s=0===e.samples?1:e.samples,i=r.depthTextureMips||(r.depthTextureMips={}),n=e.textures,a=this.getSize(n[0]),o=a.width>>t,u=a.height>>t;let l=e.depthTexture||i[t];const d=!0===e.depthBuffer||!0===e.stencilBuffer;let c=!1;const h=void 0!==l&&void 0!==l.image&&l.image.depth>1,p=a.depth>1&&(e.useArrayDepthTexture||e.multiview||h);void 0===l&&d&&(l=new Z,l.format=e.stencilBuffer?je:He,l.type=e.stencilBuffer?Ze:S,l.image.width=o,l.image.height=u,l.image.depth=a.depth,l.renderTarget=e,i[t]=l),l&&(l.isArrayTexture=p),r.width===a.width&&a.height===r.height||(c=!0,l&&(l.needsUpdate=!0,l.image.width=o,l.image.height=u,l.image.depth=p?a.depth:1)),r.width=a.width,r.height=a.height,r.textures=n,r.depthTexture=l||null,r.depth=e.depthBuffer,r.stencil=e.stencilBuffer,r.renderTarget=e,r.sampleCount!==s&&(c=!0,l&&(l.needsUpdate=!0),r.sampleCount=s);const g={sampleCount:s};if(!0!==e.isXRRenderTarget){for(let e=0;e<n.length;e++){const t=n[e];c&&(t.needsUpdate=!0),this.updateTexture(t,g)}l&&this.updateTexture(l,g)}!0!==r.initialized&&(r.initialized=!0,this.info.memory.renderTargets++,r.onDispose=()=>{this._destroyRenderTarget(e)},e.addEventListener("dispose",r.onDispose))}updateTexture(e,t={}){const r=this.get(e);if(!0===r.initialized&&r.version===e.version)return;const s=e.isRenderTargetTexture||e.isDepthTexture||e.isFramebufferTexture,i=this.backend;if(s&&!0===r.initialized&&i.destroyTexture(e),e.isFramebufferTexture){const t=this.renderer.getRenderTarget();e.type=t?t.texture.type:Ve}if(e.isHTMLTexture&&e.image){const t=this.renderer.domElement;if("requestPaint"in t){if(t.hasAttribute("layoutsubtree")||t.setAttribute("layoutsubtree","true"),e.image.parentNode!==t&&t.appendChild(e.image),0===this._htmlTextures.size){const e=this._htmlTextures;t.onpaint=t=>{const r=t&&t.changedElements;for(const t of e)r&&!r.includes(t.image)||(t.needsUpdate=!0)}}this._htmlTextures.add(e)}}const{width:n,height:a,depth:o}=this.getSize(e);if(t.width=n,t.height=a,t.depth=o,t.needsMipmaps=this.needsMipmaps(e),t.levels=t.needsMipmaps?this.getMipLevels(e,n,a):1,e.isCubeTexture&&e.mipmaps.length>0&&t.levels++,s||!0===e.isStorageTexture||!0===e.isExternalTexture)i.createTexture(e,t),r.generation=e.version;else if(e.version>0){const s=e.image;if(void 0===s)d("Renderer: Texture marked for update but image is undefined.");else if(!1===s.complete)d("Renderer: Texture marked for update but image is incomplete.");else{if(e.images){const r=[];for(const t of e.images)r.push(t);t.images=r}else t.image=s;void 0!==r.isDefaultTexture&&!0!==r.isDefaultTexture||(i.createTexture(e,t),r.isDefaultTexture=!1,r.generation=e.version),!0===e.source.dataReady&&i.updateTexture(e,t);const n=!0===e.isStorageTexture&&!1===e.mipmapsAutoUpdate;t.needsMipmaps&&0===e.mipmaps.length&&!n&&i.generateMipmaps(e),e.onUpdate&&e.onUpdate(e)}}else i.createDefaultTexture(e),r.isDefaultTexture=!0,r.generation=e.version;!0!==r.initialized&&(r.initialized=!0,r.generation=e.version,r.bindGroups=new Set,this.info.createTexture(e),e.isVideoTexture&&!0===p.enabled&&p.getTransfer(e.colorSpace)!==g&&d("WebGPURenderer: Video textures must use a color space with a sRGB transfer function, e.g. SRGBColorSpace."),r.onDispose=()=>{this._destroyTexture(e)},e.addEventListener("dispose",r.onDispose)),r.version=e.version}updateSampler(e,t){return this.backend.updateSampler(e,t)}getSize(e,t=Rb){let r=e.images?e.images[0]:e.image;return r?(void 0!==r.image&&(r=r.image),e.isHTMLTexture?(t.width=r.offsetWidth||1,t.height=r.offsetHeight||1,t.depth=1):"undefined"!=typeof HTMLVideoElement&&r instanceof HTMLVideoElement?(t.width=r.videoWidth||1,t.height=r.videoHeight||1,t.depth=1):"undefined"!=typeof VideoFrame&&r instanceof VideoFrame?(t.width=r.displayWidth||1,t.height=r.displayHeight||1,t.depth=1):(t.width=r.width||1,t.height=r.height||1,t.depth=e.isCubeTexture?6:r.depth||1)):t.width=t.height=t.depth=1,t}getMipLevels(e,t,r){let s;return s=e.mipmaps.length>0?e.mipmaps.length:!0===e.isCompressedTexture?1:Math.floor(Math.log2(Math.max(t,r)))+1,s}needsMipmaps(e){return!0===e.generateMipmaps||e.mipmaps.length>0}_destroyRenderTarget(e){if(!0===this.has(e)){const t=this.get(e),r=t.textures,s=t.depthTexture;e.removeEventListener("dispose",t.onDispose);for(let e=0;e<r.length;e++)this._destroyTexture(r[e]);s&&this._destroyTexture(s),this.delete(e),this.backend.delete(e),this.info.memory.renderTargets--}}_destroyTexture(e){if(!0===this.has(e)){const t=this.get(e);e.removeEventListener("dispose",t.onDispose);const r=t.isDefaultTexture;if(this.backend.destroyTexture(e,r),t.bindGroups)for(const r of t.bindGroups){const t=this.backend.get(r);t.groups=void 0,t.versions=void 0;for(const t of r.bindings)t.isSampler&&t.texture===e&&(t.reset(),t.release())}this._htmlTextures.delete(e),this.delete(e),this.info.destroyTexture(e)}}}class wb extends e{constructor(e,t,r,s=1){super(e,t,r),this.a=s}set(e,t,r,s=1){return this.a=s,super.set(e,t,r)}copy(e){return void 0!==e.a&&(this.a=e.a),super.copy(e)}clone(){return new this.constructor(this.r,this.g,this.b,this.a)}}class Ab extends Gn{static get type(){return"ParameterNode"}constructor(e,t=null){super(e,t),this.isParameterNode=!0}getMemberType(e,t){const r=this.getNodeType(e),s=e.getStructTypeNode(r);let i;return null!==s?i=s.getMemberType(e,t):(o(`TSL: Member "${t}" not found in struct "${r}".`,new Vs),i="float"),i}getHash(){return String(this.id)}generate(){return this.name}}class Cb extends pi{static get type(){return"StackNode"}constructor(e=null){super(),this.nodes=[],this.outputNode=null,this.parent=e,this._currentCond=null,this._expressionNode=null,this._currentNode=null,this._nodeDataLibrary=new Map,this.isStackNode=!0}getElementType(e){return this.outputNode?this.outputNode.getElementType(e):"void"}generateNodeType(e){return this.outputNode?this.outputNode.getNodeType(e):"void"}getMemberType(e,t){return this.outputNode?this.outputNode.getMemberType(e,t):"void"}addToStack(e,t=-1){if(!0!==e.isNode)return o("TSL: Invalid node added to stack.",new Vs),this;if(-1===t)if(this._currentNode){let e=this._nodeDataLibrary.get(this._currentNode);void 0===e&&(e={delta:0},this._nodeDataLibrary.set(this._currentNode,e)),e.delta++,t=this.nodes.indexOf(this._currentNode)+e.delta}else t=this.nodes.length;return this.nodes.splice(t,0,e),this}addToStackBefore(e){const t=this._currentNode?this.nodes.indexOf(this._currentNode):0;return this.addToStack(e,t)}If(e,t){const r=new rn(t);return this._currentCond=Lu(e,r),this.addToStack(this._currentCond)}ElseIf(e,t){const r=new rn(t),s=Lu(e,r);return this._currentCond.elseNode=s,this._currentCond=s,this}Else(e){return this._currentCond.elseNode=new rn(e),this}Switch(e){return this._expressionNode=sn(e),this}Case(...e){const t=[];if(e.length>=2)for(let r=0;r<e.length-1;r++)t.push(this._expressionNode.equal(sn(e[r])));else o("TSL: Invalid parameter length. Case() requires at least two parameters.",new Vs);const r=new rn(e[e.length-1]);let s=t[0];for(let e=1;e<t.length;e++)s=s.or(t[e]);const i=Lu(s,r);return null===this._currentCond?(this._currentCond=i,this.addToStack(this._currentCond)):(this._currentCond.elseNode=i,this._currentCond=i,this)}Default(e){return this.Else(e),this}setup(e){const t=e.getNodeProperties(this);let r=0;for(const s of this.getChildren())s.isVarNode&&s.isIntent(e)&&!0!==s.isAssign(e)||(t["node"+r++]=s);return t.outputNode||null}build(e,...t){const r=fn(),s=e.buildStage;mn(this),e.setActiveStack(this);for(let t=0;t<this.nodes.length;t++){const r=this.nodes[t],i=this._currentNode;if(this._currentNode=r,!r.isVarNode||!r.isIntent(e)||!0===r.isAssign(e)){if("setup"===s)r.build(e);else if("analyze"===s)r.build(e,this);else if("generate"===s){const t=e.getDataFromNode(r,"any").stages,s=t&&t[e.shaderStage];if(r.isVarNode&&s&&1===s.length&&s[0]&&s[0].isStackNode)continue;r.build(e,"void")}this._currentNode=i}}let i;if(this.outputNode){const r=this.outputNode.build(e,...t);"generate"===e.buildStage&&"void"===this.outputNode.getNodeType(e)||(i=r)}else i=super.build(e,...t);return mn(r),e.removeActiveStack(this),i}}const Mb=un(Cb).setParameterLength(0,1);class Bb extends pi{static get type(){return"StructTypeNode"}constructor(e,t=null){var r;super("struct"),this.membersLayout=(r=e,Object.entries(r).map(([e,t])=>"string"==typeof t?{name:e,type:t,atomic:!1}:{name:e,type:t.type,atomic:t.atomic||!1})),this.name=t,this.isStructTypeNode=!0}getLength(){let e=1,t=0;for(const r of this.membersLayout){const s=r.type,i=Ys(s),n=Qs(s);e=Math.max(e,n);const a=t%e%n;0!==a&&(t+=n-a),t+=i}return Math.ceil(t/e)*e}getMemberType(e,t){const r=this.membersLayout.find(e=>e.name===t);return r?r.type:"void"}generateNodeType(e){return e.getStructTypeFromNode(this,this.membersLayout,this.name).name}setup(e){e.getStructTypeFromNode(this,this.membersLayout,this.name),e.addInclude(this)}generate(e){return this.getNodeType(e)}}class Lb extends pi{static get type(){return"StructNode"}constructor(e,t){super("vec3"),this.structTypeNode=e,this.values=t,this.isStructNode=!0}generateNodeType(e){return this.structTypeNode.getNodeType(e)}getMemberType(e,t){return this.structTypeNode.getMemberType(e,t)}_getChildren(){const e=super._getChildren(),t=e.find(e=>e.childNode===this.structTypeNode);return e.splice(e.indexOf(t),1),e.push(t),e}generate(e){const t=e.getVarFromNode(this),r=t.type,s=e.getPropertyName(t);return e.addLineFlowCode(`${s} = ${e.generateStruct(r,this.structTypeNode.membersLayout,this.values)}`,this),t.name}}class Fb extends pi{static get type(){return"OutputStructNode"}constructor(...e){super(),this.members=e,this.isOutputStructNode=!0}generateNodeType(){return"OutputType"}generate(e){const t=e.getDataFromNode(this);if(void 0===t.membersLayout){const r=this.members,s=[];for(let t=0;t<r.length;t++){const i="m"+t,n=r[t].getNodeType(e);s.push({name:i,type:n,index:t})}t.membersLayout=s,t.structType=e.getOutputStructTypeFromNode(this,t.membersLayout)}const r=e.getOutputStructName(),s=this.members,i=""!==r?r+".":"";for(let r=0;r<s.length;r++){const n=s[r].build(e,t.membersLayout[r].type);e.addLineFlowCode(`${i}m${r} = ${n}`,this)}return r}}const Pb=un(Fb);class Ub{constructor(e=tt){this.blending=e,this.blendSrc=rt,this.blendDst=st,this.blendEquation=it,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.premultiplyAlpha=!1}copy(e){return this.blending=e.blending,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.premultiplyAlpha=e.premultiplyAlpha,this}clone(){return(new this.constructor).copy(this)}}const Db=new Ub(re),Ib=new Ub(nt);function Ob(e,t){for(let r=0;r<e.length;r++)if(e[r].name===t)return r;return-1}class Vb extends Fb{static get type(){return"MRTNode"}constructor(e){super(),this.outputNodes=e,this.blendModes={output:Ib},this.isMRTNode=!0}setBlendMode(e,t){return this.blendModes[e]=t,this}getBlendMode(e){return this.blendModes[e]||Db}has(e){return void 0!==this.outputNodes[e]}get(e){return this.outputNodes[e]}merge(e){const t={...this.outputNodes,...e.outputNodes},r={...this.blendModes,...e.blendModes},s=kb(t);return s.blendings=r,s}setup(e){const t=this.outputNodes,r=[],s=e.renderer.getRenderTarget().textures;for(const i in t){const n=Ob(s,i),a=e.getOutputType(n);r[n]=t[i].convert(a)}return this.members=r,super.setup(e)}}const kb=un(Vb);class Gb extends fi{static get type(){return"BitcastNode"}constructor(e,t,r=null){super(),this.valueNode=e,this.conversionType=t,this.inputType=r,this.isBitcastNode=!0}generateNodeType(e){if(null!==this.inputType){const t=this.valueNode.getNodeType(e),r=e.getTypeLength(t);return e.getTypeFromLength(r,this.conversionType)}return this.conversionType}generate(e){const t=this.getNodeType(e);let r="";if(null!==this.inputType){const t=this.valueNode.getNodeType(e);r=1===e.getTypeLength(t)?this.inputType:e.changeComponentType(t,this.inputType)}else r=this.valueNode.getNodeType(e);return`${e.getBitcastMethod(t,r)}( ${this.valueNode.build(e,r)} )`}}const $b=dn(Gb).setParameterLength(2),zb=e=>new Gb(e,"uint","float"),Wb={};class Hb extends uo{static get type(){return"BitcountNode"}constructor(e,t){super(e,t),this.isBitcountNode=!0}_resolveElementType(e,t,r){"int"===r?t.assign($b(e,"uint")):t.assign(e)}_returnDataNode(e){switch(e){case"uint":return vn;case"int":return _n;case"uvec2":return En;case"uvec3":return Mn;case"uvec4":return Pn;case"ivec2":return Rn;case"ivec3":return Cn;case"ivec4":return Fn}}_createTrailingZerosBaseLayout(e,t){const r=this._returnDataNode(t);return gn(([e])=>{const s=vn(0);this._resolveElementType(e,s,t);const i=Tn(s.bitAnd(Ho(s))),n=zb(i).shiftRight(23).sub(127);return r(n)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createLeadingZerosBaseLayout(e,t){const r=this._returnDataNode(t);return gn(([e])=>{yn(e.equal(vn(0)),()=>vn(32));const s=vn(0),i=vn(0);return this._resolveElementType(e,s,t),yn(s.shiftRight(16).equal(0),()=>{i.addAssign(16),s.shiftLeftAssign(16)}),yn(s.shiftRight(24).equal(0),()=>{i.addAssign(8),s.shiftLeftAssign(8)}),yn(s.shiftRight(28).equal(0),()=>{i.addAssign(4),s.shiftLeftAssign(4)}),yn(s.shiftRight(30).equal(0),()=>{i.addAssign(2),s.shiftLeftAssign(2)}),yn(s.shiftRight(31).equal(0),()=>{i.addAssign(1)}),r(i)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createOneBitsBaseLayout(e,t){const r=this._returnDataNode(t);return gn(([e])=>{const s=vn(0);this._resolveElementType(e,s,t),s.assign(s.sub(s.shiftRight(vn(1)).bitAnd(vn(1431655765)))),s.assign(s.bitAnd(vn(858993459)).add(s.shiftRight(vn(2)).bitAnd(vn(858993459))));const i=s.add(s.shiftRight(vn(4))).bitAnd(vn(252645135)).mul(vn(16843009)).shiftRight(vn(24));return r(i)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createMainLayout(e,t,r,s){const i=this._returnDataNode(t);return gn(([e])=>{if(1===r)return i(s(e));{const t=i(0),n=["x","y","z","w"];for(let i=0;i<r;i++){const r=n[i];t[r].assign(s(e[r]))}return t}}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}setup(e){const{method:t,aNode:r}=this,{renderer:s}=e;if(s.backend.isWebGPUBackend)return super.setup(e);const i=this.getInputType(e),n=e.getElementType(i),a=e.getTypeLength(i),o=`${t}_base_${n}`,u=`${t}_${i}`;let l=Wb[o];if(void 0===l){switch(t){case Hb.COUNT_LEADING_ZEROS:l=this._createLeadingZerosBaseLayout(o,n);break;case Hb.COUNT_TRAILING_ZEROS:l=this._createTrailingZerosBaseLayout(o,n);break;case Hb.COUNT_ONE_BITS:l=this._createOneBitsBaseLayout(o,n)}Wb[o]=l}let d=Wb[u];void 0===d&&(d=this._createMainLayout(u,i,a,l),Wb[u]=d);return gn(()=>d(r))()}}Hb.COUNT_TRAILING_ZEROS="countTrailingZeros",Hb.COUNT_LEADING_ZEROS="countLeadingZeros",Hb.COUNT_ONE_BITS="countOneBits";const jb=dn(Hb,Hb.COUNT_TRAILING_ZEROS).setParameterLength(1),qb=dn(Hb,Hb.COUNT_LEADING_ZEROS).setParameterLength(1),Xb=dn(Hb,Hb.COUNT_ONE_BITS).setParameterLength(1),Yb=gn(([e])=>{const t=e.toUint().mul(747796405).add(2891336453),r=t.shiftRight(t.shiftRight(28).add(4)).bitXor(t).mul(277803737);return r.shiftRight(22).bitXor(r).toFloat().mul(1/2**32)}),Qb=(e,t)=>du(Va(4,e.mul(Oa(1,e))),t);class Kb extends fi{static get type(){return"PackFloatNode"}constructor(e,t){super(),this.vectorNode=t,this.encoding=e,this.isPackFloatNode=!0}generateNodeType(){return"uint"}generate(e){const t=this.vectorNode.getNodeType(e);return`${e.getFloatPackingMethod(this.encoding)}(${this.vectorNode.build(e,t)})`}}const Zb=dn(Kb,"snorm").setParameterLength(1),Jb=dn(Kb,"unorm").setParameterLength(1),ex=dn(Kb,"float16").setParameterLength(1);class tx extends fi{static get type(){return"UnpackFloatNode"}constructor(e,t){super(),this.uintNode=t,this.encoding=e,this.isUnpackFloatNode=!0}generateNodeType(){return"vec2"}generate(e){const t=this.uintNode.getNodeType(e);return`${e.getFloatUnpackingMethod(this.encoding)}(${this.uintNode.build(e,t)})`}}const rx=dn(tx,"snorm").setParameterLength(1),sx=dn(tx,"unorm").setParameterLength(1),ix=dn(tx,"float16").setParameterLength(1),nx=gn(([e])=>e.fract().sub(.5).abs()).setLayout({name:"tri",type:"float",inputs:[{name:"x",type:"float"}]}),ax=gn(([e])=>An(nx(e.z.add(nx(e.y.mul(1)))),nx(e.z.add(nx(e.x.mul(1)))),nx(e.y.add(nx(e.x.mul(1)))))).setLayout({name:"tri3",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),ox=gn(([e,t,r])=>{const s=An(e).toVar(),i=Tn(1.4).toVar(),n=Tn(0).toVar(),a=An(s).toVar();return Zp({start:Tn(0),end:Tn(3),type:"float",condition:"<="},()=>{const e=An(ax(a.mul(2))).toVar();s.addAssign(e.add(r.mul(Tn(.1).mul(t)))),a.mulAssign(1.8),i.mulAssign(1.5),s.mulAssign(1.2);const o=Tn(nx(s.z.add(nx(s.x.add(nx(s.y)))))).toVar();n.addAssign(o.div(i)),a.addAssign(.14)}),n}).setLayout({name:"triNoise3D",type:"float",inputs:[{name:"position",type:"vec3"},{name:"speed",type:"float"},{name:"time",type:"float"}]});class ux extends pi{static get type(){return"FunctionOverloadingNode"}constructor(e=[],...t){super(),this.functionNodes=e,this.parametersNodes=t,this._candidateFn=null,this.global=!0}generateNodeType(e){return this.getCandidateFn(e).shaderNode.layout.type}getCandidateFn(e){const t=this.parametersNodes;let r=this._candidateFn;if(null===r){let s=null,i=-1;for(const r of this.functionNodes){const n=r.shaderNode.layout;if(null===n)throw new Error("THREE.FunctionOverloadingNode: FunctionNode must be a layout.");const a=n.inputs;if(t.length===a.length){let n=0;for(let r=0;r<t.length;r++){const s=t[r],i=a[r];s.getNodeType(e)===i.type&&n++}n>i&&(s=r,i=n)}}this._candidateFn=r=s}return r}setup(e){return this.getCandidateFn(e)(...this.parametersNodes)}}const lx=un(ux),dx=e=>(...t)=>lx(e,...t),cx=Aa(0).setGroup(Ra).onRenderUpdate(e=>e.time),hx=Aa(0).setGroup(Ra).onRenderUpdate(e=>e.deltaTime),px=Aa(0,"uint").setGroup(Ra).onRenderUpdate(e=>e.frameId);const gx=gn(([e,t,r=Sn(.5)])=>Ay(e.sub(r),t).add(r)),mx=gn(([e,t,r=Sn(.5)])=>{const s=e.sub(r),i=s.dot(s),n=i.mul(i).mul(t);return e.add(s.mul(n))}),fx=gn(({position:e=null,horizontal:t=!0,vertical:r=!1})=>{let s;null!==e?(s=sc.toVar(),s[3][0]=e.x,s[3][1]=e.y,s[3][2]=e.z):s=sc;const i=$d.mul(s);return en(t)&&(i[0][0]=sc[0].length(),i[0][1]=0,i[0][2]=0),en(r)&&(i[1][0]=0,i[1][1]=sc[1].length(),i[1][2]=0),i[2][0]=0,i[2][1]=0,i[2][2]=1,kd.mul(i).mul(fc)}),yx=gn(([e=null])=>{const t=Cg();return Cg(xg(e)).sub(t).lessThan(0).select(md,e)}),bx=gn(([e,t=ql(),r=Tn(0)])=>{const s=e.x,i=e.y,n=r.mod(s.mul(i)).floor(),a=n.mod(s),o=i.sub(n.add(1).div(s).ceil()),u=e.reciprocal(),l=Sn(a,o);return t.add(l).mul(u)}),xx=gn(([e,t=null,r=null,s=Tn(1),i=fc,n=wc])=>{let a=n.abs().normalize();a=a.div(a.dot(An(1)));const o=i.yz.mul(s),u=i.zx.mul(s),l=i.xy.mul(s),d=e.value,c=null!==t?t.value:d,h=null!==r?r.value:d,p=rd(d,o).mul(a.x),g=rd(c,u).mul(a.y),m=rd(h,l).mul(a.z);return Ia(p,g,m)}),Tx=new ut,_x=new r,vx=new r,Nx=new r,Sx=new a,Rx=new r(0,0,-1),Ex=new s,wx=new r,Ax=new r,Cx=new s,Mx=new t,Bx=new ne,Lx=md.flipX();Bx.depthTexture=new Z(1,1);let Fx=!1;class Px extends ed{static get type(){return"ReflectorNode"}constructor(e={}){super(e.defaultTexture||Bx.texture,Lx),this._reflectorBaseNode=e.reflector||new Ux(this,e),this._depthNode=null,this.setUpdateMatrix(!1)}get reflector(){return this._reflectorBaseNode}get target(){return this._reflectorBaseNode.target}getDepthNode(){if(null===this._depthNode){if(!0!==this._reflectorBaseNode.depth)throw new Error("THREE.ReflectorNode: Depth node can only be requested when the reflector is created with { depth: true }. ");this._depthNode=new Px({defaultTexture:Bx.depthTexture,reflector:this._reflectorBaseNode})}return this._depthNode}setup(e){return e.object.isQuadMesh||this._reflectorBaseNode.build(e),super.setup(e)}clone(){const e=new this.constructor(this.reflectorNode);return e.uvNode=this.uvNode,e.levelNode=this.levelNode,e.biasNode=this.biasNode,e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.gatherNode=this.gatherNode,e.offsetNode=this.offsetNode,e._reflectorBaseNode=this._reflectorBaseNode,e}dispose(){super.dispose(),this._reflectorBaseNode.dispose()}}class Ux extends pi{static get type(){return"ReflectorBaseNode"}constructor(e,t={}){super();const{target:r=new at,resolutionScale:s=1,generateMipmaps:i=!1,bounces:n=!0,depth:a=!1,samples:o=0}=t;this.textureNode=e,this.target=r,this.resolutionScale=s,void 0!==t.resolution&&(v('ReflectorNode: The "resolution" parameter has been renamed to "resolutionScale".'),this.resolutionScale=t.resolution),this.generateMipmaps=i,this.bounces=n,this.depth=a,this.samples=o,this.updateBeforeType=n?ii.RENDER:ii.FRAME,this.virtualCameras=new WeakMap,this.renderTargets=new Map,this.forceUpdate=!1,this.hasOutput=!1}_updateResolution(e,t){const r=this.resolutionScale;t.getDrawingBufferSize(Mx),e.setSize(Math.round(Mx.width*r),Math.round(Mx.height*r))}setup(e){return this._updateResolution(Bx,e.renderer),super.setup(e)}dispose(){super.dispose();for(const e of this.renderTargets.values())e.dispose()}getVirtualCamera(e){let t=this.virtualCameras.get(e);return void 0===t&&(t=e.clone(),this.virtualCameras.set(e,t)),t}getRenderTarget(e){let t=this.renderTargets.get(e);return void 0===t&&(t=new ne(0,0,{type:Te,samples:this.samples}),!0===this.generateMipmaps&&(t.texture.minFilter=ot,t.texture.generateMipmaps=!0),!0===this.depth&&(t.depthTexture=new Z),this.renderTargets.set(e,t)),t}updateBefore(e){if(!1===this.bounces&&Fx)return!1;Fx=!0;const{scene:t,camera:r,renderer:s,material:i}=e,{target:n}=this,a=this.getVirtualCamera(r),o=this.getRenderTarget(a);s.getDrawingBufferSize(Mx),this._updateResolution(o,s),vx.setFromMatrixPosition(n.matrixWorld),Nx.setFromMatrixPosition(r.matrixWorld),Sx.extractRotation(n.matrixWorld),_x.set(0,0,1),_x.applyMatrix4(Sx),wx.subVectors(vx,Nx);let u=!1;if(!0===wx.dot(_x)>0&&!1===this.forceUpdate){if(!1===this.hasOutput)return void(Fx=!1);u=!0}wx.reflect(_x).negate(),wx.add(vx),Sx.extractRotation(r.matrixWorld),Rx.set(0,0,-1),Rx.applyMatrix4(Sx),Rx.add(Nx),Ax.subVectors(vx,Rx),Ax.reflect(_x).negate(),Ax.add(vx),a.coordinateSystem=r.coordinateSystem,a.position.copy(wx),a.up.set(0,1,0),a.up.applyMatrix4(Sx),a.up.reflect(_x),a.lookAt(Ax),a.near=r.near,a.far=r.far,a.updateMatrixWorld(),a.projectionMatrix.copy(r.projectionMatrix),Tx.setFromNormalAndCoplanarPoint(_x,vx),Tx.applyMatrix4(a.matrixWorldInverse),Ex.set(Tx.normal.x,Tx.normal.y,Tx.normal.z,Tx.constant);const l=a.projectionMatrix;Cx.x=(Math.sign(Ex.x)+l.elements[8])/l.elements[0],Cx.y=(Math.sign(Ex.y)+l.elements[9])/l.elements[5],Cx.z=-1,Cx.w=(1+l.elements[10])/l.elements[14],Ex.multiplyScalar(1/Ex.dot(Cx));l.elements[2]=Ex.x,l.elements[6]=Ex.y,l.elements[10]=s.coordinateSystem===h?Ex.z-0:Ex.z+1-0,l.elements[14]=Ex.w,this.textureNode.value=o.texture,!0===this.depth&&(this.textureNode.getDepthNode().value=o.depthTexture),i.visible=!1;const d=s.getRenderTarget(),c=s.getMRT(),p=s.autoClear;s.setMRT(null),s.setRenderTarget(o),s.autoClear=!0;const g=t.name;t.name=(t.name||"Scene")+" [ Reflector ]",u?(s.clear(),this.hasOutput=!1):(s.render(t,a),this.hasOutput=!0),t.name=g,s.setMRT(c),s.setRenderTarget(d),s.autoClear=p,i.visible=!0,Fx=!1,this.forceUpdate=!1}get resolution(){return v('ReflectorNode: The "resolution" property has been renamed to "resolutionScale".'),this.resolutionScale}set resolution(e){v('ReflectorNode: The "resolution" property has been renamed to "resolutionScale".'),this.resolutionScale=e}}const Dx=new Ne(-1,1,1,-1,0,1);class Ix extends ve{constructor(e=!1){super();const t=!1===e?[0,-1,0,1,2,1]:[0,2,0,0,2,0];this.setAttribute("position",new lt([-1,3,0,-1,-1,0,3,-1,0],3)),this.setAttribute("uv",new lt(t,2))}}const Ox=new Ix;class Vx extends oe{constructor(e=null){super(Ox,e),this.camera=Dx,this.isQuadMesh=!0}async renderAsync(e){v('QuadMesh: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await e.init(),e.render(this,Dx)}render(e){e.render(this,Dx)}}const kx=new t;class Gx extends ed{static get type(){return"RTTNode"}constructor(e,t=null,r=null,s={type:Te}){const i=new ne(t,r,s);super(i.texture,ql()),this.isRTTNode=!0,this.node=e,this.width=t,this.height=r,this.renderTarget=i,this.textureNeedsUpdate=!0,this.autoUpdate=!0,this._resolutionScale=1,this._rttNode=null,this._quadMesh=new Vx(new Ig),this.updateBeforeType=ii.RENDER}get autoResize(){return null===this.width}setup(e){return this._rttNode=this.node.context(e.getSharedContext()),this._quadMesh.material.name="RTT",this._quadMesh.material.needsUpdate=!0,super.setup(e)}setSize(e,t){const r=Math.floor(e*this._resolutionScale),s=Math.floor(t*this._resolutionScale);this.renderTarget.setSize(r,s),this.textureNeedsUpdate=!0}setResolutionScale(e){return this._resolutionScale=e,!1===this.autoResize&&this.setSize(this.width,this.height),this}getResolutionScale(){return this._resolutionScale}updateBefore({renderer:e}){if(!1===this.textureNeedsUpdate&&!1===this.autoUpdate)return;this.textureNeedsUpdate=!1;const t=e.getRenderTarget();if(!0===this.autoResize){const t=e.getDrawingBufferSize(kx),r=Math.floor(t.width*this._resolutionScale),s=Math.floor(t.height*this._resolutionScale);r===this.renderTarget.width&&s===this.renderTarget.height||(this.renderTarget.setSize(r,s),this.textureNeedsUpdate=!0)}let r="RTT";this.node.name&&(r=this.node.name+" [ "+r+" ]"),this._quadMesh.material.fragmentNode=this._rttNode,this._quadMesh.name=r,e.setRenderTarget(this.renderTarget),this._quadMesh.render(e),e.setRenderTarget(t)}clone(){const e=new ed(this.value,this.uvNode,this.levelNode);return e.sampler=this.sampler,e.referenceNode=this,e}}const $x=(e,...t)=>new Gx(sn(e),...t),zx=gn(([e,t,r],s)=>{let i;s.renderer.coordinateSystem===h?(e=Sn(e.x,e.y.oneMinus()).mul(2).sub(1),i=Ln(An(e,t),1)):i=Ln(An(e.x,e.y.oneMinus(),t).mul(2).sub(1),1);const n=Ln(r.mul(i));return n.xyz.div(n.w)}),Wx=gn(([e,t])=>{const r=t.mul(Ln(e,1)),s=r.xy.div(r.w).mul(.5).add(.5).toVar();return Sn(s.x,s.y.oneMinus())}),Hx=gn(([e,t,r])=>{const s=Yl(sd(t)),i=Rn(e.mul(s)).toVar(),n=sd(t,i).toVar(),a=sd(t,i.sub(Rn(2,0))).toVar(),o=sd(t,i.sub(Rn(1,0))).toVar(),u=sd(t,i.add(Rn(1,0))).toVar(),l=sd(t,i.add(Rn(2,0))).toVar(),d=sd(t,i.add(Rn(0,2))).toVar(),c=sd(t,i.add(Rn(0,1))).toVar(),h=sd(t,i.sub(Rn(0,1))).toVar(),p=sd(t,i.sub(Rn(0,2))).toVar(),g=$o(Oa(Tn(2).mul(o).sub(a),n)).toVar(),m=$o(Oa(Tn(2).mul(u).sub(l),n)).toVar(),f=$o(Oa(Tn(2).mul(c).sub(d),n)).toVar(),y=$o(Oa(Tn(2).mul(h).sub(p),n)).toVar(),b=zx(e,n,r).toVar(),x=g.lessThan(m).select(b.sub(zx(e.sub(Sn(Tn(1).div(s.x),0)),o,r)),b.negate().add(zx(e.add(Sn(Tn(1).div(s.x),0)),u,r))),T=f.lessThan(y).select(b.sub(zx(e.add(Sn(0,Tn(1).div(s.y))),c,r)),b.negate().add(zx(e.sub(Sn(0,Tn(1).div(s.y))),h,r)));return Ao(lu(x,T))}),jx=gn(([e])=>Co(Tn(52.9829189).mul(Co(uu(e,Sn(.06711056,.00583715)))))).setLayout({name:"interleavedGradientNoise",type:"float",inputs:[{name:"position",type:"vec2"}]}),qx=gn(([e,t,r])=>{const s=Tn(2.399963229728653),i=So(Tn(e).add(.5).div(Tn(t))),n=Tn(e).mul(s).add(r);return Sn(Lo(n),Mo(n)).mul(i)}).setLayout({name:"vogelDiskSample",type:"vec2",inputs:[{name:"sampleIndex",type:"int"},{name:"samplesCount",type:"int"},{name:"phi",type:"float"}]});class Xx extends pi{static get type(){return"SampleNode"}constructor(e,t=null){super(),this.callback=e,this.uvNode=t,this.isSampleNode=!0}setup(){return this.sample(ql())}sample(e){return this.callback(e)}}class Yx extends j{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageInstancedBufferAttribute=!0}}class Qx extends Ae{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageBufferAttribute=!0}}class Kx extends pi{static get type(){return"PointUVNode"}constructor(){super("vec2"),this.isPointUVNode=!0}generate(){return"vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y )"}}const Zx=ln(Kx),Jx=new a,eT=Aa(0).setGroup(Ra).onRenderUpdate(({scene:e})=>e.backgroundBlurriness),tT=Aa(1).setGroup(Ra).onRenderUpdate(({scene:e})=>e.backgroundIntensity),rT=Aa(new a).setGroup(Ra).onRenderUpdate(({scene:e})=>{const t=e.background;return null!==t&&t.isTexture&&t.mapping!==dt?Jx.makeRotationFromEuler(e.backgroundRotation).transpose():Jx.identity(),Jx});class sT extends ed{static get type(){return"StorageTextureNode"}constructor(e,t,r=null){super(e,t),this.storeNode=r,this.mipLevel=0,this.isStorageTextureNode=!0,this.access=ai.WRITE_ONLY}getInputType(){return"storageTexture"}getTransformedUV(e){return e}setup(e){super.setup(e);const t=e.getNodeProperties(this);return t.storeNode=this.storeNode,t}setAccess(e){return this.access=e,this}setMipLevel(e){return this.mipLevel=e,this}generate(e,t){return null!==this.storeNode?(this.generateStore(e),""):super.generate(e,t)}generateSnippet(e,t,r,s,i,n,a,o,u){const l=this.value;return e.generateStorageTextureLoad(l,t,r,s,n,u)}toReadWrite(){return this.setAccess(ai.READ_WRITE)}toReadOnly(){return this.setAccess(ai.READ_ONLY)}toWriteOnly(){return this.setAccess(ai.WRITE_ONLY)}store(e,t){const r=this.clone();return r.referenceNode=this.getBase(),r.uvNode=e,r.storeNode=t,null!==t&&r.toStack(),r}generateStore(e){const t=e.getNodeProperties(this),{uvNode:r,storeNode:s,depthNode:i}=t,n=super.generate(e,"property"),a=r.build(e,!0===this.value.is3DTexture?"uvec3":"uvec2"),o=s.build(e,"vec4"),u=i?i.build(e,"int"):null,l=e.generateTextureStore(this.value,n,a,u,o);e.addLineFlowCode(l,this)}clone(){const e=super.clone();return e.storeNode=this.storeNode,e.mipLevel=this.mipLevel,e.access=this.access,e}}const iT=un(sT).setParameterLength(1,3);class nT extends sT{static get type(){return"StorageTexture3DNode"}constructor(e,t,r=null){super(e,t,r),this.isStorageTexture3DNode=!0}getDefaultUV(){return An(.5,.5,.5)}setUpdateMatrix(){}generateUV(e,t){return t.build(e,!0===this.sampler?"vec3":"ivec3")}generateOffset(e,t){return t.build(e,"ivec3")}}const aT=un(nT).setParameterLength(1,3),oT=gn(({texture:e,uv:t})=>{const r=1e-4,s=An().toVar();return yn(t.x.lessThan(r),()=>{s.assign(An(1,0,0))}).ElseIf(t.y.lessThan(r),()=>{s.assign(An(0,1,0))}).ElseIf(t.z.lessThan(r),()=>{s.assign(An(0,0,1))}).ElseIf(t.x.greaterThan(.9999),()=>{s.assign(An(-1,0,0))}).ElseIf(t.y.greaterThan(.9999),()=>{s.assign(An(0,-1,0))}).ElseIf(t.z.greaterThan(.9999),()=>{s.assign(An(0,0,-1))}).Else(()=>{const r=.01,i=e.sample(t.add(An(-.01,0,0))).r.sub(e.sample(t.add(An(r,0,0))).r),n=e.sample(t.add(An(0,-.01,0))).r.sub(e.sample(t.add(An(0,r,0))).r),a=e.sample(t.add(An(0,0,-.01))).r.sub(e.sample(t.add(An(0,0,r))).r);s.assign(An(i,n,a))}),s.normalize()});class uT extends ed{static get type(){return"Texture3DNode"}constructor(e,t=null,r=null){super(e,t,r),this.isTexture3DNode=!0}getInputType(){return"texture3D"}getDefaultUV(){return An(.5,.5,.5)}setUpdateMatrix(){}generateUV(e,t){return t.build(e,!0===this.sampler?"vec3":"ivec3")}generateOffset(e,t){return t.build(e,"ivec3")}normal(e){return oT({texture:this,uv:e})}}const lT=un(uT).setParameterLength(1,3);class dT extends Zc{static get type(){return"UserDataNode"}constructor(e,t,r=null){super(e,t,r),this.userData=r}updateReference(e){return this.reference=null!==this.userData?this.userData:e.object.userData,this.reference}}const cT=new WeakMap;class hT extends fi{static get type(){return"VelocityNode"}constructor(){super("vec2"),this.projectionMatrix=null,this.updateType=ii.OBJECT,this.updateAfterType=ii.OBJECT,this.previousModelWorldMatrix=Aa(new a),this.previousProjectionMatrix=Aa(new a).setGroup(Ra),this.previousCameraViewMatrix=Aa(new a)}setProjectionMatrix(e){this.projectionMatrix=e}update({frameId:e,camera:t,object:r}){const s=gT(r);this.previousModelWorldMatrix.value.copy(s);const i=pT(t);i.frameId!==e&&(i.frameId=e,void 0===i.previousProjectionMatrix?(i.previousProjectionMatrix=new a,i.previousCameraViewMatrix=new a,i.currentProjectionMatrix=new a,i.currentCameraViewMatrix=new a,i.previousProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.previousCameraViewMatrix.copy(t.matrixWorldInverse)):(i.previousProjectionMatrix.copy(i.currentProjectionMatrix),i.previousCameraViewMatrix.copy(i.currentCameraViewMatrix)),i.currentProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.currentCameraViewMatrix.copy(t.matrixWorldInverse),this.previousProjectionMatrix.value.copy(i.previousProjectionMatrix),this.previousCameraViewMatrix.value.copy(i.previousCameraViewMatrix))}updateAfter({object:e}){gT(e).copy(e.matrixWorld)}setup(){const e=null===this.projectionMatrix?kd:Aa(this.projectionMatrix),t=this.previousCameraViewMatrix.mul(this.previousModelWorldMatrix),r=e.mul(dc).mul(fc),s=this.previousProjectionMatrix.mul(t).mul(yc),i=r.xy.div(r.w),n=s.xy.div(s.w);return Oa(i,n)}}function pT(e){let t=cT.get(e);return void 0===t&&(t={},cT.set(e,t)),t}function gT(e,t=0){const r=pT(e);let s=r[t];return void 0===s&&(r[t]=s=new a,r[t].copy(e.matrixWorld)),s}const mT=ln(hT),fT=gn(([e,t])=>ru(1,e.oneMinus().div(t)).oneMinus()).setLayout({name:"blendBurn",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),yT=gn(([e,t])=>ru(e.div(t.oneMinus()),1)).setLayout({name:"blendDodge",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),bT=gn(([e,t])=>e.oneMinus().mul(t.oneMinus()).oneMinus()).setLayout({name:"blendScreen",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),xT=gn(([e,t])=>xu(e.mul(2).mul(t),e.oneMinus().mul(2).mul(t.oneMinus()).oneMinus(),iu(.5,e))).setLayout({name:"blendOverlay",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),TT=gn(([e,t])=>{const r=t.a.add(e.a.mul(t.a.oneMinus()));return Ln(t.rgb.mul(t.a).add(e.rgb.mul(e.a).mul(t.a.oneMinus())).div(r),r)}).setLayout({name:"blendColor",type:"vec4",inputs:[{name:"base",type:"vec4"},{name:"blend",type:"vec4"}]}),_T=gn(([e])=>RT(e.rgb)),vT=gn(([e,t=Tn(1)])=>t.mix(RT(e.rgb),e.rgb)),NT=gn(([e,t=Tn(1)])=>{const r=Ia(e.r,e.g,e.b).div(3),s=e.r.max(e.g.max(e.b)),i=s.sub(r).mul(t).mul(-3);return xu(e.rgb,s,i)}),ST=gn(([e,t=Tn(1)])=>{const r=An(.57735,.57735,.57735),s=t.cos();return An(e.rgb.mul(s).add(r.cross(e.rgb).mul(t.sin()).add(r.mul(uu(r,e.rgb).mul(s.oneMinus())))))}),RT=(e,t=An(p.getLuminanceCoefficients(new r)))=>uu(e,t),ET=gn(([e,t=An(1),s=An(0),i=An(1),n=Tn(1),a=An(p.getLuminanceCoefficients(new r,Re))])=>{const o=e.rgb.dot(An(a)),u=su(e.rgb.mul(t).add(s),0).toVar(),l=u.pow(i).toVar();return yn(u.r.greaterThan(0),()=>{u.r.assign(l.r)}),yn(u.g.greaterThan(0),()=>{u.g.assign(l.g)}),yn(u.b.greaterThan(0),()=>{u.b.assign(l.b)}),u.assign(o.add(u.sub(o).mul(n))),Ln(u.rgb,e.a)}),wT=gn(([e,t])=>e.mul(t).floor().div(t));let AT=null;class CT extends hg{static get type(){return"ViewportSharedTextureNode"}constructor(e=md,t=null){null===AT&&(AT=new Q),super(e,t,AT)}getTextureForReference(){return AT}updateReference(){return this}}const MT=un(CT).setParameterLength(0,2),BT=new t;class LT extends ed{static get type(){return"PassTextureNode"}constructor(e,t){super(t),this.passNode=e,this.isPassTextureNode=!0,this.setUpdateMatrix(!1)}setup(e){return e.getNodeProperties(this).passNode=this.passNode,super.setup(e)}clone(){return new this.constructor(this.passNode,this.value)}}class FT extends LT{static get type(){return"PassMultipleTextureNode"}constructor(e,t,r=!1){super(e,null),this.textureName=t,this.previousTexture=r,this.isPassMultipleTextureNode=!0}updateTexture(){this.value=this.previousTexture?this.passNode.getPreviousTexture(this.textureName):this.passNode.getTexture(this.textureName)}setup(e){return this.updateTexture(),super.setup(e)}clone(){const e=new this.constructor(this.passNode,this.textureName,this.previousTexture);return e.uvNode=this.uvNode,e.levelNode=this.levelNode,e.biasNode=this.biasNode,e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.gatherNode=this.gatherNode,e.offsetNode=this.offsetNode,e}}class PT extends fi{static get type(){return"PassNode"}constructor(e,t,r,s={}){super("vec4"),this.scope=e,this.scene=t,this.camera=r,this.options=s,this._width=1,this._height=1;const i=new ne(this._width,this._height,{type:Te,...s});i.texture.name="output";let n=null;this.scope!==PT.DEPTH&&!1===s.depthBuffer||(n=new Z,n.isRenderTargetTexture=!0,n.name="depth",i.depthTexture=n),this.renderTarget=i,this.overrideMaterial=null,this.transparent=!0,this.opaque=!0,this.contextNode=null,this._contextNodeCache=null,this._textures={output:i.texture},null!==n&&(this._textures.depth=n),this._textureNodes={},this._linearDepthNodes={},this._viewZNodes={},this._previousTextures={},this._previousTextureNodes={},this._cameraNear=Aa(0),this._cameraFar=Aa(0),this._mrt=null,this._layers=null,this._resolutionScale=1,this._viewport=null,this._scissor=null,this.isPassNode=!0,this.updateBeforeType=ii.FRAME,this.global=!0}setResolutionScale(e){return this._resolutionScale=e,this}getResolutionScale(){return this._resolutionScale}setResolution(e){return d("PassNode: .setResolution() is deprecated. Use .setResolutionScale() instead."),this.setResolutionScale(e)}getResolution(){return d("PassNode: .getResolution() is deprecated. Use .getResolutionScale() instead."),this.getResolutionScale()}setLayers(e){return this._layers=e,this}getLayers(){return this._layers}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}getTexture(e){let t=this._textures[e];if(void 0===t){if("depth"===e)throw new Error("THREE.PassNode: Depth texture is not available for this pass.");t=this.renderTarget.texture.clone(),t.name=e,this._textures[e]=t,this.renderTarget.textures.push(t)}return t}getPreviousTexture(e){let t=this._previousTextures[e];return void 0===t&&(t=this.getTexture(e).clone(),this._previousTextures[e]=t),t}toggleTexture(e){const t=this._previousTextures[e];if(void 0!==t){const r=this._textures[e],s=this.renderTarget.textures.indexOf(r);this.renderTarget.textures[s]=t,this._textures[e]=t,this._previousTextures[e]=r,this._textureNodes[e].updateTexture(),this._previousTextureNodes[e].updateTexture()}}getTextureNode(e="output"){let t=this._textureNodes[e];return void 0===t&&(t=new FT(this,e),t.updateTexture(),this._textureNodes[e]=t),t}getPreviousTextureNode(e="output"){let t=this._previousTextureNodes[e];return void 0===t&&(void 0===this._textureNodes[e]&&this.getTextureNode(e),t=new FT(this,e,!0),t.updateTexture(),this._previousTextureNodes[e]=t),t}getViewZNode(e="depth"){let t=this._viewZNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar;this._viewZNodes[e]=t=Rg(this.getTextureNode(e),r,s)}return t}getLinearDepthNode(e="depth"){let t=this._linearDepthNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar,i=this.getViewZNode(e);this._linearDepthNodes[e]=t=_g(i,r,s)}return t}async compileAsync(e){const t=e.getRenderTarget(),r=e.getMRT();e.setRenderTarget(this.renderTarget),e.setMRT(this._mrt),await e.compileAsync(this.scene,this.camera),e.setRenderTarget(t),e.setMRT(r)}setup({renderer:e}){return this.renderTarget.samples=void 0===this.options.samples?e.samples:this.options.samples,this.renderTarget.texture.type=e.getOutputBufferType(),!0===e.reversedDepthBuffer&&null!==this.renderTarget.depthTexture&&(this.renderTarget.depthTexture.type=Y),this.scope===PT.COLOR?this.getTextureNode():this.getLinearDepthNode()}updateBefore(e){const{renderer:t}=e,{scene:r}=this;let s;const i=t.getOutputRenderTarget();i&&!0===i.isXRRenderTarget?(s=t.xr.getCamera(),t.xr.updateCamera(s),BT.set(i.width,i.height)):(s=this.camera,t.getDrawingBufferSize(BT)),this.setSize(BT.width,BT.height);const n=t.getRenderTarget(),a=t.getMRT(),o=t.autoClear,u=t.transparent,l=t.opaque,d=s.layers.mask,c=t.contextNode,h=r.overrideMaterial;this._cameraNear.value=s.near,this._cameraFar.value=s.far,null!==this._layers&&(s.layers.mask=this._layers.mask);for(const e in this._previousTextures)this.toggleTexture(e);null!==this.overrideMaterial&&(r.overrideMaterial=this.overrideMaterial),t.setRenderTarget(this.renderTarget),t.setMRT(this._mrt),t.autoClear=!0,t.transparent=this.transparent,t.opaque=this.opaque,null!==this.contextNode&&(null!==this._contextNodeCache&&this._contextNodeCache.version===this.version||(this._contextNodeCache={version:this.version,context:Pu({...t.contextNode.getFlowContextData(),...this.contextNode.getFlowContextData()})}),t.contextNode=this._contextNodeCache.context);const p=r.name;r.name=this.name?this.name:r.name,t.render(r,s),r.name=p,r.overrideMaterial=h,t.setRenderTarget(n),t.setMRT(a),t.autoClear=o,t.transparent=u,t.opaque=l,t.contextNode=c,s.layers.mask=d}setSize(e,t){this._width=e,this._height=t;const r=Math.floor(this._width*this._resolutionScale),s=Math.floor(this._height*this._resolutionScale);this.renderTarget.setSize(r,s),null!==this._scissor?(this.renderTarget.scissor.copy(this._scissor).multiplyScalar(this._resolutionScale).floor(),this.renderTarget.scissorTest=!0):this.renderTarget.scissorTest=!1,null!==this._viewport&&this.renderTarget.viewport.copy(this._viewport).multiplyScalar(this._resolutionScale).floor()}setScissor(e,t,r,i){null===e?this._scissor=null:(null===this._scissor&&(this._scissor=new s),e.isVector4?this._scissor.copy(e):this._scissor.set(e,t,r,i))}setViewport(e,t,r,i){null===e?this._viewport=null:(null===this._viewport&&(this._viewport=new s),e.isVector4?this._viewport.copy(e):this._viewport.set(e,t,r,i))}dispose(){this.renderTarget.dispose()}}PT.COLOR="color",PT.DEPTH="depth";class UT extends PT{static get type(){return"ToonOutlinePassNode"}constructor(e,t,r,s,i){super(PT.COLOR,e,t),this.colorNode=r,this.thicknessNode=s,this.alphaNode=i,this._materialCache=new WeakMap,this.name="Outline Pass"}updateBefore(e){const{renderer:t}=e,r=t.getRenderObjectFunction();t.setRenderObjectFunction((e,r,s,i,n,a,o,u)=>{if((n.isMeshToonMaterial||n.isMeshToonNodeMaterial)&&!1===n.wireframe){const l=this._getOutlineMaterial(n);t.renderObject(e,r,s,i,l,a,o,u)}t.renderObject(e,r,s,i,n,a,o,u)}),super.updateBefore(e),t.setRenderObjectFunction(r)}_createMaterial(){const e=new Ig;e.isMeshToonOutlineMaterial=!0,e.name="Toon_Outline",e.side=F;const t=wc.negate(),r=kd.mul(dc),s=Tn(1),i=r.mul(Ln(fc,1)),n=r.mul(Ln(fc.add(t),1)),a=Ao(i.sub(n));return e.vertexNode=i.add(a.mul(this.thicknessNode).mul(i.w).mul(s)),e.colorNode=Ln(this.colorNode,this.alphaNode),e}_getOutlineMaterial(e){let t=this._materialCache.get(e);return void 0===t&&(t=this._createMaterial(),this._materialCache.set(e,t)),t}}const DT=gn(([e,t])=>e.mul(t).clamp()).setLayout({name:"linearToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),IT=gn(([e,t])=>(e=e.mul(t)).div(e.add(1)).clamp()).setLayout({name:"reinhardToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),OT=gn(([e,t])=>{const r=(e=(e=e.mul(t)).sub(.004).max(0)).mul(e.mul(6.2).add(.5)),s=e.mul(e.mul(6.2).add(1.7)).add(.06);return r.div(s).pow(2.2)}).setLayout({name:"cineonToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),VT=gn(([e])=>{const t=e.mul(e.add(.0245786)).sub(90537e-9),r=e.mul(e.add(.432951).mul(.983729)).add(.238081);return t.div(r)}),kT=gn(([e,t])=>{const r=In(.59719,.35458,.04823,.076,.90834,.01566,.0284,.13383,.83777),s=In(1.60475,-.53108,-.07367,-.10208,1.10813,-.00605,-.00327,-.07276,1.07602);return e=e.mul(t).div(.6),e=r.mul(e),e=VT(e),(e=s.mul(e)).clamp()}).setLayout({name:"acesFilmicToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),GT=In(An(1.6605,-.1246,-.0182),An(-.5876,1.1329,-.1006),An(-.0728,-.0083,1.1187)),$T=In(An(.6274,.0691,.0164),An(.3293,.9195,.088),An(.0433,.0113,.8956)),zT=gn(([e])=>{const t=An(e).toVar(),r=An(t.mul(t)).toVar(),s=An(r.mul(r)).toVar();return Tn(15.5).mul(s.mul(r)).sub(Va(40.14,s.mul(t))).add(Va(31.96,s).sub(Va(6.868,r.mul(t))).add(Va(.4298,r).add(Va(.1191,t).sub(.00232))))}),WT=gn(([e,t])=>{const r=An(e).toVar(),s=In(An(.856627153315983,.137318972929847,.11189821299995),An(.0951212405381588,.761241990602591,.0767994186031903),An(.0482516061458583,.101439036467562,.811302368396859)),i=In(An(1.1271005818144368,-.1413297634984383,-.14132976349843826),An(-.11060664309660323,1.157823702216272,-.11060664309660294),An(-.016493938717834573,-.016493938717834257,1.2519364065950405)),n=Tn(-12.47393),a=Tn(4.026069);return r.mulAssign(t),r.assign($T.mul(r)),r.assign(s.mul(r)),r.assign(su(r,1e-10)),r.assign(No(r)),r.assign(r.sub(n).div(a.sub(n))),r.assign(Tu(r,0,1)),r.assign(zT(r)),r.assign(i.mul(r)),r.assign(du(su(An(0),r),An(2.2))),r.assign(GT.mul(r)),r.assign(Tu(r,0,1)),r}).setLayout({name:"agxToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),HT=gn(([e,t])=>{const r=Tn(.76),s=Tn(.15);e=e.mul(t);const i=ru(e.r,ru(e.g,e.b)),n=Lu(i.lessThan(.08),i.sub(Va(6.25,i.mul(i))),.04);e.subAssign(n);const a=su(e.r,su(e.g,e.b));yn(a.lessThan(r),()=>e);const o=Oa(1,r),u=Oa(1,o.mul(o).div(a.add(o.sub(r))));e.mulAssign(u.div(a));const l=Oa(1,ka(1,s.mul(a.sub(u)).add(1)));return xu(e,An(u),l)}).setLayout({name:"neutralToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]});class jT extends pi{static get type(){return"CodeNode"}constructor(e="",t=[],r=""){super("code"),this.isCodeNode=!0,this.global=!0,this.code=e,this.includes=t,this.language=r}setIncludes(e){return this.includes=e,this}getIncludes(){return this.includes}generate(e){const t=this.getIncludes(e);for(const r of t)r.build(e);const r=e.getCodeFromNode(this,this.getNodeType(e));return r.code=this.code,r.code}serialize(e){super.serialize(e),e.code=this.code,e.language=this.language}deserialize(e){super.deserialize(e),this.code=e.code,this.language=e.language}}const qT=un(jT).setParameterLength(1,3);class XT extends jT{static get type(){return"FunctionNode"}constructor(e="",t=[],r=""){super(e,t,r)}generateNodeType(e){return this.getNodeFunction(e).type}getMemberType(e,t){const r=this.getNodeType(e);return e.getStructTypeNode(r).getMemberType(e,t)}getInputs(e){return this.getNodeFunction(e).inputs}getNodeFunction(e){const t=e.getDataFromNode(this);let r=t.nodeFunction;return void 0===r&&(r=e.parser.parseFunction(this.code),t.nodeFunction=r),r}generate(e,t){super.generate(e);const r=this.getNodeFunction(e),s=r.name,i=r.type,n=e.getCodeFromNode(this,i);""!==s&&(n.name=s);const a=e.getPropertyName(n),o=this.getNodeFunction(e).getCode(a);return n.code=o+"\n","property"===t?a:e.format(`${a}()`,i,t)}}const YT=(e,t=[],r="")=>{const s=new XT(e,t,r);return cn((...e)=>s.call(...e),s)};function QT(e){let t;const r=e.context.getViewZ;return void 0!==r&&(t=r(this)),(t||Tc.z).negate()}const KT=gn(([e,t],r)=>{const s=QT(r);return Nu(e,t,s)}),ZT=gn(([e],t)=>{const r=QT(t);return e.mul(e,r,r).negate().exp().oneMinus()}),JT=gn(([e,t],r)=>{const s=QT(r),i=t.sub(bc.y).max(0).toConst().mul(s).toConst();return e.mul(e,i,i).negate().exp().oneMinus()}),e_=gn(([e,t])=>Ln(t.toFloat().mix(da.rgb,e.toVec3()),da.a));let t_=null,r_=null;class s_ extends pi{static get type(){return"RangeNode"}constructor(e=Tn(),t=Tn()){super(),this.minNode=e,this.maxNode=t}getVectorLength(e){const t=this.getConstNode(this.minNode),r=this.getConstNode(this.maxNode),s=e.getTypeLength(Ks(t.value)),i=e.getTypeLength(Ks(r.value));return s>i?s:i}generateNodeType(e){return e.object.count>1?e.getTypeFromLength(this.getVectorLength(e)):"float"}getConstNode(e){let t=null;if(e.traverse(e=>{!0===e.isConstNode&&(t=e)}),null===t)throw new Zl('THREE.TSL: No "ConstNode" found in node graph.',this.stackTrace);return t}setup(e){const t=e.object;let r=null;if(t.count>1){const i=this.getConstNode(this.minNode),n=this.getConstNode(this.maxNode),a=i.value,o=n.value,u=e.getTypeLength(Ks(a)),d=e.getTypeLength(Ks(o));t_=t_||new s,r_=r_||new s,t_.setScalar(0),r_.setScalar(0),1===u?t_.setScalar(a):a.isColor?t_.set(a.r,a.g,a.b,1):t_.set(a.x,a.y,a.z||0,a.w||0),1===d?r_.setScalar(o):o.isColor?r_.set(o.r,o.g,o.b,1):r_.set(o.x,o.y,o.z||0,o.w||0);const c=4,h=c*t.count,p=new Float32Array(h);for(let e=0;e<h;e++){const t=e%c,r=t_.getComponent(t),s=r_.getComponent(t);p[e]=l.lerp(r,s,Math.random())}const g=this.getNodeType(e);if(4*t.count*4<=e.getUniformBufferLimit())r=nd(p,"vec4",t.count).element(bl).convert(g);else{const t=new j(p,4);e.geometry.setAttribute("__range"+this.id,t),r=gl(t).convert(g)}}else r=Tn(0);return r}}const i_=un(s_).setParameterLength(2);class n_ extends pi{static get type(){return"ComputeBuiltinNode"}constructor(e,t){super(t),this._builtinName=e}getHash(e){return this.getBuiltinName(e)}generateNodeType(){return this.nodeType}setBuiltinName(e){return this._builtinName=e,this}getBuiltinName(){return this._builtinName}hasBuiltin(e){return e.hasBuiltin(this._builtinName)}generate(e,t){const r=this.getBuiltinName(e),s=this.getNodeType(e);return"compute"===e.shaderStage?e.format(r,s,t):(d(`ComputeBuiltinNode: Compute built-in value ${r} can not be accessed in the ${e.shaderStage} stage`),e.generateConst(s))}serialize(e){super.serialize(e),e.global=this.global,e._builtinName=this._builtinName}deserialize(e){super.deserialize(e),this.global=e.global,this._builtinName=e._builtinName}}const a_=(e,t)=>new n_(e,t),o_=a_("numWorkgroups","uvec3"),u_=a_("workgroupId","uvec3"),l_=a_("globalId","uvec3"),d_=a_("localId","uvec3"),c_=a_("subgroupSize","uint");class h_ extends pi{constructor(e){super(),this.scope=e,this.isBarrierNode=!0}setup(e){e.allowEarlyReturns=!1,e.allowGlobalVariables=!1}generate(e){const{scope:t}=this,{renderer:r}=e;!0===r.backend.isWebGLBackend?e.addFlowCode(`\t// ${t}Barrier \n`):e.addLineFlowCode(`${t}Barrier()`,this)}}const p_=un(h_);class g_ extends gi{constructor(e,t){super(e,t),this.isWorkgroupInfoElementNode=!0}generate(e,t){let r;const s=e.isContextAssign();if(r=super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}class m_ extends pi{constructor(e,t,r=0){super(t),this.bufferType=t,this.bufferCount=r,this.isWorkgroupInfoNode=!0,this.elementType=t,this.scope=e,this.name=""}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.',new Vs),this.setName(e)}setScope(e){return this.scope=e,this}getElementType(){return this.elementType}getInputType(){return`${this.scope}Array`}element(e){return new g_(this,e)}generate(e){const t=""!==this.name?this.name:`${this.scope}Array_${this.id}`;return e.getScopedArray(t,this.scope.toLowerCase(),this.bufferType,this.bufferCount)}}class f_ extends pi{static get type(){return"AtomicFunctionNode"}constructor(e,t,r){super("uint"),this.method=e,this.pointerNode=t,this.valueNode=r,this.parents=!0}getInputType(e){return this.pointerNode.getNodeType(e)}generateNodeType(e){return this.getInputType(e)}generate(e){const t=e.getNodeProperties(this),r=t.parents,s=this.method,i=this.getNodeType(e),n=this.getInputType(e),a=this.pointerNode,o=this.valueNode,u=[];u.push(`&${a.build(e,n)}`),null!==o&&u.push(o.build(e,n));const l=`${e.getMethod(s,i)}( ${u.join(", ")} )`;if(!(!!r&&(1===r.length&&!0===r[0].isStackNode)))return void 0===t.constNode&&(t.constNode=Pl(l,i).toConst()),t.constNode.build(e);e.addLineFlowCode(l,this)}}f_.ATOMIC_LOAD="atomicLoad",f_.ATOMIC_STORE="atomicStore",f_.ATOMIC_ADD="atomicAdd",f_.ATOMIC_SUB="atomicSub",f_.ATOMIC_MAX="atomicMax",f_.ATOMIC_MIN="atomicMin",f_.ATOMIC_AND="atomicAnd",f_.ATOMIC_OR="atomicOr",f_.ATOMIC_XOR="atomicXor";const y_=un(f_),b_=(e,t,r)=>y_(e,t,r).toStack();class x_ extends fi{static get type(){return"SubgroupFunctionNode"}constructor(e,t=null,r=null){super(),this.method=e,this.aNode=t,this.bNode=r}getInputType(e){const t=this.aNode?this.aNode.getNodeType(e):null,r=this.bNode?this.bNode.getNodeType(e):null;return(e.isMatrix(t)?0:e.getTypeLength(t))>(e.isMatrix(r)?0:e.getTypeLength(r))?t:r}generateNodeType(e){const t=this.method;return t===x_.SUBGROUP_ELECT?"bool":t===x_.SUBGROUP_BALLOT?"uvec4":this.getInputType(e)}generate(e,t){const r=this.method,s=this.getNodeType(e),i=this.getInputType(e),n=this.aNode,a=this.bNode,o=[];if(r===x_.SUBGROUP_BROADCAST||r===x_.SUBGROUP_SHUFFLE||r===x_.QUAD_BROADCAST){const t=a.getNodeType(e);o.push(n.build(e,s),a.build(e,"float"===t?"int":s))}else r===x_.SUBGROUP_SHUFFLE_XOR||r===x_.SUBGROUP_SHUFFLE_DOWN||r===x_.SUBGROUP_SHUFFLE_UP?o.push(n.build(e,s),a.build(e,"uint")):(null!==n&&o.push(n.build(e,i)),null!==a&&o.push(a.build(e,i)));const u=0===o.length?"()":`( ${o.join(", ")} )`;return e.format(`${e.getMethod(r,s)}${u}`,s,t)}serialize(e){super.serialize(e),e.method=this.method}deserialize(e){super.deserialize(e),this.method=e.method}}x_.SUBGROUP_ELECT="subgroupElect",x_.SUBGROUP_BALLOT="subgroupBallot",x_.SUBGROUP_ADD="subgroupAdd",x_.SUBGROUP_INCLUSIVE_ADD="subgroupInclusiveAdd",x_.SUBGROUP_EXCLUSIVE_AND="subgroupExclusiveAdd",x_.SUBGROUP_MUL="subgroupMul",x_.SUBGROUP_INCLUSIVE_MUL="subgroupInclusiveMul",x_.SUBGROUP_EXCLUSIVE_MUL="subgroupExclusiveMul",x_.SUBGROUP_AND="subgroupAnd",x_.SUBGROUP_OR="subgroupOr",x_.SUBGROUP_XOR="subgroupXor",x_.SUBGROUP_MIN="subgroupMin",x_.SUBGROUP_MAX="subgroupMax",x_.SUBGROUP_ALL="subgroupAll",x_.SUBGROUP_ANY="subgroupAny",x_.SUBGROUP_BROADCAST_FIRST="subgroupBroadcastFirst",x_.QUAD_SWAP_X="quadSwapX",x_.QUAD_SWAP_Y="quadSwapY",x_.QUAD_SWAP_DIAGONAL="quadSwapDiagonal",x_.SUBGROUP_BROADCAST="subgroupBroadcast",x_.SUBGROUP_SHUFFLE="subgroupShuffle",x_.SUBGROUP_SHUFFLE_XOR="subgroupShuffleXor",x_.SUBGROUP_SHUFFLE_UP="subgroupShuffleUp",x_.SUBGROUP_SHUFFLE_DOWN="subgroupShuffleDown",x_.QUAD_BROADCAST="quadBroadcast";const T_=dn(x_,x_.SUBGROUP_ELECT).setParameterLength(0),__=dn(x_,x_.SUBGROUP_BALLOT).setParameterLength(1),v_=dn(x_,x_.SUBGROUP_ADD).setParameterLength(1),N_=dn(x_,x_.SUBGROUP_INCLUSIVE_ADD).setParameterLength(1),S_=dn(x_,x_.SUBGROUP_EXCLUSIVE_AND).setParameterLength(1),R_=dn(x_,x_.SUBGROUP_MUL).setParameterLength(1),E_=dn(x_,x_.SUBGROUP_INCLUSIVE_MUL).setParameterLength(1),w_=dn(x_,x_.SUBGROUP_EXCLUSIVE_MUL).setParameterLength(1),A_=dn(x_,x_.SUBGROUP_AND).setParameterLength(1),C_=dn(x_,x_.SUBGROUP_OR).setParameterLength(1),M_=dn(x_,x_.SUBGROUP_XOR).setParameterLength(1),B_=dn(x_,x_.SUBGROUP_MIN).setParameterLength(1),L_=dn(x_,x_.SUBGROUP_MAX).setParameterLength(1),F_=dn(x_,x_.SUBGROUP_ALL).setParameterLength(0),P_=dn(x_,x_.SUBGROUP_ANY).setParameterLength(0),U_=dn(x_,x_.SUBGROUP_BROADCAST_FIRST).setParameterLength(2),D_=dn(x_,x_.QUAD_SWAP_X).setParameterLength(1),I_=dn(x_,x_.QUAD_SWAP_Y).setParameterLength(1),O_=dn(x_,x_.QUAD_SWAP_DIAGONAL).setParameterLength(1),V_=dn(x_,x_.SUBGROUP_BROADCAST).setParameterLength(2),k_=dn(x_,x_.SUBGROUP_SHUFFLE).setParameterLength(2),G_=dn(x_,x_.SUBGROUP_SHUFFLE_XOR).setParameterLength(2),$_=dn(x_,x_.SUBGROUP_SHUFFLE_UP).setParameterLength(2),z_=dn(x_,x_.SUBGROUP_SHUFFLE_DOWN).setParameterLength(2),W_=dn(x_,x_.QUAD_BROADCAST).setParameterLength(1);let H_;function j_(e){H_=H_||new WeakMap;let t=H_.get(e);return void 0===t&&H_.set(e,t={}),t}function q_(e){const t=j_(e);return t.shadowMatrix||(t.shadowMatrix=Aa("mat4").setGroup(Ra).onRenderUpdate(t=>(!0===e.castShadow&&!1!==t.renderer.shadowMap.enabled||(e.shadow.camera.coordinateSystem!==t.camera.coordinateSystem&&(e.shadow.camera.coordinateSystem=t.camera.coordinateSystem,e.shadow.camera.updateProjectionMatrix()),e.shadow.updateMatrices(e)),e.shadow.matrix)))}function X_(e,t=bc){const r=q_(e).mul(t);return r.xyz.div(r.w)}function Y_(e){const t=j_(e);return t.position||(t.position=Aa(new r).setGroup(Ra).onRenderUpdate((t,r)=>r.value.setFromMatrixPosition(e.matrixWorld)))}function Q_(e){const t=j_(e);return t.targetPosition||(t.targetPosition=Aa(new r).setGroup(Ra).onRenderUpdate((t,r)=>r.value.setFromMatrixPosition(e.target.matrixWorld)))}function K_(e){const t=j_(e);return t.viewPosition||(t.viewPosition=Aa(new r).setGroup(Ra).onRenderUpdate(({camera:t},s)=>{s.value=s.value||new r,s.value.setFromMatrixPosition(e.matrixWorld),s.value.applyMatrix4(t.matrixWorldInverse)}))}const Z_=e=>$d.transformDirection(Y_(e).sub(Q_(e))),J_=$n("vec3","totalDiffuse"),ev=$n("vec3","totalSpecular"),tv=$n("vec3","outgoingLight"),rv=(e,t)=>{for(const r of t)if(r.isAnalyticLightNode&&r.light.id===e)return r;return null},sv=new WeakMap,iv=[];class nv extends pi{static get type(){return"LightsNode"}constructor(){super("vec3"),this.totalDiffuseNode=J_,this.totalSpecularNode=ev,this.outgoingLightNode=tv,this._lights=[],this.global=!0}customCacheKey(){const e=this._lights;for(let t=0;t<e.length;t++){const r=e[t];if(iv.push(r.id),iv.push(r.castShadow?1:0),!0===r.isSpotLight){const e=null!==r.map?r.map.id:-1,t=r.colorNode?r.colorNode.getCacheKey():-1;iv.push(e,t)}}const t=$s(iv);return iv.length=0,t}getHash(e){const t=e.getDataFromNode(this);if(void 0===t.lightNodesHash){const r=this.setupLightsNode(e);t.lightNodes=r;const s=[];for(const e of r)s.push(e.getHash());t.lightNodesHash="lights-"+s.join(",")}return t.lightNodesHash}analyze(e){const t=e.getNodeProperties(this);for(const r of t.nodes)r.build(e);t.outputNode.build(e)}setupLightsNode(e){const t=[],r=e.getDataFromNode(this).lightNodes||null,s=(e=>e.sort((e,t)=>e.id-t.id))([...e.context.materialLightings,...this._lights]),i=e.renderer.library;for(const e of s)if(e.isNode)t.push(e);else{let s=null;if(null!==r&&(s=rv(e.id,r)),null===s){const t=i.getLightNodeClass(e.constructor);if(null===t){d(`LightsNode.setupNodeLights: Light node not found for ${e.constructor.name}`);continue}!1===sv.has(e)&&sv.set(e,new t(e)),s=sv.get(e)}t.push(s)}return t}setupDirectLight(e,t,r){const{lightingModel:s,reflectedLight:i}=e.context;s.direct({...r,lightNode:t,reflectedLight:i},e)}setupDirectRectAreaLight(e,t,r){const{lightingModel:s,reflectedLight:i}=e.context;s.directRectArea({...r,lightNode:t,reflectedLight:i},e)}setupLights(e,t){for(const r of t)r.build(e)}getLightNodes(e){const t=e.getDataFromNode(this);return void 0===t.lightNodes&&(t.lightNodes=this.setupLightsNode(e)),t.lightNodes}setup(e){const t=e.lightsNode;e.lightsNode=this;let r=this.outgoingLightNode;const s=e.context,i=s.lightingModel,n=e.getNodeProperties(this);if(i){const{totalDiffuseNode:t,totalSpecularNode:a}=this;s.outgoingLight=r;const o=e.addStack();n.nodes=o.nodes,i.start(e);const{backdrop:u,backdropAlpha:l}=s,{directDiffuse:d,directSpecular:c,indirectDiffuse:h,indirectSpecular:p}=s.reflectedLight;let g=d.add(h);null!==u&&(g=An(null!==l?l.mix(g,u):u)),t.assign(g),a.assign(c.add(p)),r.assign(t.add(a)),i.finish(e),r=r.bypass(e.removeStack())}else n.nodes=[];return e.lightsNode=t,r}setLights(e){return this._lights=e,this}getLights(){return this._lights}get hasLights(){return this._lights.length>0}}class av extends pi{static get type(){return"ShadowBaseNode"}constructor(e){super(),this.light=e,this.updateBeforeType=ii.RENDER,this.isShadowBaseNode=!0}setupShadowPosition({context:e,material:t}){ov.assign(t.receivedShadowPositionNode||e.shadowPositionWorld||bc)}}const ov=$n("vec3","shadowPositionWorld");function uv(t,r={}){return r.toneMapping=t.toneMapping,r.toneMappingExposure=t.toneMappingExposure,r.outputColorSpace=t.outputColorSpace,r.renderTarget=t.getRenderTarget(),r.activeCubeFace=t.getActiveCubeFace(),r.activeMipmapLevel=t.getActiveMipmapLevel(),r.renderObjectFunction=t.getRenderObjectFunction(),r.pixelRatio=t.getPixelRatio(),r.mrt=t.getMRT(),r.clearColor=t.getClearColor(r.clearColor||new e),r.clearAlpha=t.getClearAlpha(),r.autoClear=t.autoClear,r.scissorTest=t.getScissorTest(),r}function lv(e,t){return t=uv(e,t),e.setMRT(null),e.setRenderObjectFunction(null),e.setClearColor(0,1),e.autoClear=!0,t}function dv(e,t){e.toneMapping=t.toneMapping,e.toneMappingExposure=t.toneMappingExposure,e.outputColorSpace=t.outputColorSpace,e.setRenderTarget(t.renderTarget,t.activeCubeFace,t.activeMipmapLevel),e.setRenderObjectFunction(t.renderObjectFunction),e.setPixelRatio(t.pixelRatio),e.setMRT(t.mrt),e.setClearColor(t.clearColor,t.clearAlpha),e.autoClear=t.autoClear,e.setScissorTest(t.scissorTest)}function cv(e,t={}){return t.background=e.background,t.backgroundNode=e.backgroundNode,t.overrideMaterial=e.overrideMaterial,t}function hv(e,t){return t=cv(e,t),e.background=null,e.backgroundNode=null,e.overrideMaterial=null,t}function pv(e,t){e.background=t.background,e.backgroundNode=t.backgroundNode,e.overrideMaterial=t.overrideMaterial}function gv(e,t,r){return r=hv(t,r=lv(e,r))}function mv(e,t,r){dv(e,r),pv(t,r)}var fv=Object.freeze({__proto__:null,resetRendererAndSceneState:gv,resetRendererState:lv,resetSceneState:hv,restoreRendererAndSceneState:mv,restoreRendererState:dv,restoreSceneState:pv,saveRendererAndSceneState:function(e,t,r={}){return r=cv(t,r=uv(e,r))},saveRendererState:uv,saveSceneState:cv});const yv=new WeakMap,bv=gn(({depthTexture:e,shadowCoord:t,depthLayer:r})=>{let s=rd(e,t.xy).setName("t_basic");return e.isArrayTexture&&(s=s.depth(r)),s.compare(t.z)}),xv=gn(({depthTexture:e,shadowCoord:t,shadow:r,depthLayer:s})=>{const i=(t,r)=>{let i=rd(e,t);return e.isArrayTexture&&(i=i.depth(s)),i.compare(r)},n=Jc("mapSize","vec2",r).setGroup(Ra),a=Jc("radius","float",r).setGroup(Ra),o=Sn(1).div(n),u=a.mul(o.x),l=jx(yd.xy).mul(6.28318530718);return Ia(i(t.xy.add(qx(0,5,l).mul(u)),t.z),i(t.xy.add(qx(1,5,l).mul(u)),t.z),i(t.xy.add(qx(2,5,l).mul(u)),t.z),i(t.xy.add(qx(3,5,l).mul(u)),t.z),i(t.xy.add(qx(4,5,l).mul(u)),t.z)).mul(.2)}),Tv=gn(({depthTexture:e,shadowCoord:t,shadow:r,depthLayer:s})=>{const i=Jc("mapSize","vec2",r).setGroup(Ra),n=Sn(1).div(i),a=t.xy,o=Co(a.mul(i).add(.5)).toConst();a.subAssign(o.sub(.5).mul(n));const u=r=>{let i=rd(e,a).offset(r).gather();return e.isArrayTexture&&(i=i.depth(s)),i.compare(t.z)},l=u(Rn(-1,1)).toConst(),d=u(Rn(1,1)).toConst(),c=u(Rn(-1,-1)).toConst(),h=u(Rn(1,-1)).toConst();return Ia(xu(l.x,d.y,o.x).add(l.y).add(d.x).mul(o.y),xu(l.w,d.z,o.x).add(l.z).add(d.w),xu(c.x,h.y,o.x).add(c.y).add(h.x),xu(c.w,h.z,o.x).add(c.z).add(h.w).mul(o.y.oneMinus())).mul(1/9)}),_v=gn(({depthTexture:e,shadowCoord:t,depthLayer:r},s)=>{let i=rd(e).sample(t.xy);e.isArrayTexture&&(i=i.depth(r)),i=i.rg;const n=i.x,a=su(1e-7,i.y.mul(i.y)),o=s.renderer.reversedDepthBuffer?iu(n,t.z):iu(t.z,n),u=Tn(1).toVar();return yn(o.notEqual(1),()=>{const e=t.z.sub(n);let r=a.div(a.add(e.mul(e)));r=Tu(Oa(r,.3).div(.65)),u.assign(su(o,r))}),u}),vv=e=>{let t=yv.get(e);return void 0===t&&(t=new Ig,t.colorNode=Ln(0,0,0,1),t.isShadowPassMaterial=!0,t.name="ShadowMaterial",t.blending=re,t.fog=!1,yv.set(e,t)),t},Nv=e=>{const t=yv.get(e);void 0!==t&&(t.dispose(),yv.delete(e))},Sv=new Wy,Rv=[],Ev=(e,t,r,s)=>{Rv[0]=e,Rv[1]=t;let i=Sv.get(Rv);return void 0!==i&&i.shadowType===r&&i.useVelocity===s||(i=(i,n,a,o,u,l,...d)=>{(!0===i.castShadow||i.receiveShadow&&r===pt)&&(s&&(Js(i).useVelocity=!0),i.onBeforeShadow(e,i,a,t.camera,o,n.overrideMaterial,l),e.renderObject(i,n,a,o,u,l,...d),i.onAfterShadow(e,i,a,t.camera,o,n.overrideMaterial,l))},i.shadowType=r,i.useVelocity=s,Sv.set(Rv,i)),Rv[0]=null,Rv[1]=null,i},wv=gn(({samples:e,radius:t,size:r,shadowPass:s,depthLayer:i})=>{const n=Tn(0).toVar("meanVertical"),a=Tn(0).toVar("squareMeanVertical"),o=e.lessThanEqual(Tn(1)).select(Tn(0),Tn(2).div(e.sub(1))),u=e.lessThanEqual(Tn(1)).select(Tn(0),Tn(-1));Zp({start:_n(0),end:_n(e),type:"int",condition:"<"},({i:e})=>{const l=u.add(Tn(e).mul(o));let d=s.sample(Ia(yd.xy,Sn(0,l).mul(t)).div(r));s.value.isArrayTexture&&(d=d.depth(i)),d=d.x,n.addAssign(d),a.addAssign(d.mul(d))}),n.divAssign(e),a.divAssign(e);const l=So(a.sub(n.mul(n)).max(0));return Sn(n,l)}),Av=gn(({samples:e,radius:t,size:r,shadowPass:s,depthLayer:i})=>{const n=Tn(0).toVar("meanHorizontal"),a=Tn(0).toVar("squareMeanHorizontal"),o=e.lessThanEqual(Tn(1)).select(Tn(0),Tn(2).div(e.sub(1))),u=e.lessThanEqual(Tn(1)).select(Tn(0),Tn(-1));Zp({start:_n(0),end:_n(e),type:"int",condition:"<"},({i:e})=>{const l=u.add(Tn(e).mul(o));let d=s.sample(Ia(yd.xy,Sn(l,0).mul(t)).div(r));s.value.isArrayTexture&&(d=d.depth(i)),n.addAssign(d.x),a.addAssign(Ia(d.y.mul(d.y),d.x.mul(d.x)))}),n.divAssign(e),a.divAssign(e);const l=So(a.sub(n.mul(n)).max(0));return Sn(n,l)}),Cv=[bv,xv,Tv,_v];let Mv;const Bv=new Vx;class Lv extends av{static get type(){return"ShadowNode"}constructor(e,t=null){super(e),this.shadow=t||e.shadow,this.shadowMap=null,this.vsmShadowMapVertical=null,this.vsmShadowMapHorizontal=null,this.vsmMaterialVertical=null,this.vsmMaterialHorizontal=null,this._node=null,this._currentShadowType=null,this._cameraFrameId=new WeakMap,this.isShadowNode=!0,this.depthLayer=0}setupShadowFilter(e,{filterFn:t,depthTexture:r,shadowCoord:s,shadow:i,depthLayer:n}){const a=s.x.greaterThanEqual(0).and(s.x.lessThanEqual(1)).and(s.y.greaterThanEqual(0)).and(s.y.lessThanEqual(1)).and(s.z.lessThanEqual(1)),o=t({depthTexture:r,shadowCoord:s,shadow:i,depthLayer:n});return a.select(o,Tn(1))}setupShadowCoord(e,t){const{shadow:r}=this,{renderer:s}=e,i=r.biasNode||Jc("bias","float",r).setGroup(Ra);let n,a=t;if(r.camera.isOrthographicCamera||!0!==s.logarithmicDepthBuffer)a=a.xyz.div(a.w),n=a.z;else{const e=a.w;a=a.xy.div(e);const t=Jc("near","float",r.camera).setGroup(Ra),s=Jc("far","float",r.camera).setGroup(Ra);n=Eg(e.negate(),t,s)}return a=An(a.x,a.y.oneMinus(),s.reversedDepthBuffer?n.sub(i):n.add(i)),a}getShadowFilterFn(e){return Cv[e]}setupRenderTarget(e,t){const r=new Z(e.mapSize.width,e.mapSize.height);r.name="ShadowDepthTexture",r.compareFunction=t.renderer.reversedDepthBuffer?M:A;const s=t.createRenderTarget(e.mapSize.width,e.mapSize.height);return s.texture.name="ShadowMap",s.texture.type=e.mapType,s.depthTexture=r,{shadowMap:s,depthTexture:r}}setupShadow(e){const{renderer:t,camera:r}=e,{light:s,shadow:i}=this,{depthTexture:n,shadowMap:a}=this.setupRenderTarget(i,e),o=t.shadowMap.type,u=t.hasCompatibility(E.TEXTURE_COMPARE);if(o!==ct&&o!==ht||!u?(n.minFilter=B,n.magFilter=B):(n.minFilter=le,n.magFilter=le),i.camera.coordinateSystem=r.coordinateSystem,i.camera.updateProjectionMatrix(),o===pt&&!0!==i.isPointLightShadow){n.compareFunction=null,a.depth>1?(a._vsmShadowMapVertical||(a._vsmShadowMapVertical=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:z,type:Te,depth:a.depth,depthBuffer:!1}),a._vsmShadowMapVertical.texture.name="VSMVertical"),this.vsmShadowMapVertical=a._vsmShadowMapVertical,a._vsmShadowMapHorizontal||(a._vsmShadowMapHorizontal=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:z,type:Te,depth:a.depth,depthBuffer:!1}),a._vsmShadowMapHorizontal.texture.name="VSMHorizontal"),this.vsmShadowMapHorizontal=a._vsmShadowMapHorizontal):(this.vsmShadowMapVertical=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:z,type:Te,depthBuffer:!1}),this.vsmShadowMapHorizontal=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:z,type:Te,depthBuffer:!1}));let t=rd(n);n.isArrayTexture&&(t=t.depth(this.depthLayer));let r=rd(this.vsmShadowMapVertical.texture);n.isArrayTexture&&(r=r.depth(this.depthLayer));const s=Jc("blurSamples","float",i).setGroup(Ra),o=Jc("radius","float",i).setGroup(Ra),u=Jc("mapSize","vec2",i).setGroup(Ra);let l=this.vsmMaterialVertical||(this.vsmMaterialVertical=new Ig);l.fragmentNode=wv({samples:s,radius:o,size:u,shadowPass:t,depthLayer:this.depthLayer}).context(e.getSharedContext()),l.name="VSMVertical",l=this.vsmMaterialHorizontal||(this.vsmMaterialHorizontal=new Ig),l.fragmentNode=Av({samples:s,radius:o,size:u,shadowPass:r,depthLayer:this.depthLayer}).context(e.getSharedContext()),l.name="VSMHorizontal"}const l=Jc("intensity","float",i).setGroup(Ra),d=Jc("normalBias","float",i).setGroup(Ra),c=q_(s),h=Lc.mul(d);let p;if(!t.highPrecision||e.material.receivedShadowPositionNode||e.context.shadowPositionWorld)p=c.mul(ov.add(h));else{p=Aa("mat4").onObjectUpdate(({object:e},t)=>t.value.multiplyMatrices(c.value,e.matrixWorld)).mul(fc).add(c.mul(Ln(h,0)))}const g=this.setupShadowCoord(e,p),m=i.filterNode||this.getShadowFilterFn(t.shadowMap.type)||null;if(null===m)throw new Error("THREE.WebGPURenderer: Shadow map type not supported yet.");const f=o===pt&&!0!==i.isPointLightShadow?this.vsmShadowMapHorizontal.texture:n,y=this.setupShadowFilter(e,{filterFn:m,shadowTexture:a.texture,depthTexture:f,shadowCoord:g,shadow:i,depthLayer:this.depthLayer});let b,x;!0===t.shadowMap.transmitted&&(a.texture.isCubeTexture?b=Qc(a.texture,g.xyz):(b=rd(a.texture,g),n.isArrayTexture&&(b=b.depth(this.depthLayer)))),x=b?xu(1,y.rgb.mix(b,1),l.mul(b.a)).toVar():xu(1,y,l).toVar(),this.shadowMap=a,this.shadow.map=a;const T=`${this.light.type} Shadow [ ${this.light.name||"ID: "+this.light.id} ]`;return b&&x.toInspector(`${T} / Color`,()=>this.shadowMap.texture.isCubeTexture?Qc(this.shadowMap.texture,tm()):rd(this.shadowMap.texture)),x.toInspector(`${T} / Depth`,()=>{const e=Jc("near","float",this.shadow.camera),t=Jc("far","float",this.shadow.camera);let r,s;return r=this.shadowMap.texture.isCubeTexture?Qc(this.shadowMap.depthTexture,tm()).r:rd(this.shadowMap.depthTexture).r,s=this.shadow.camera.isPerspectiveCamera?Rg(r,e,t):vg(r,e,t),s=_g(s,e,t),s.oneMinus()})}setup(e){if(!1!==e.renderer.shadowMap.enabled)return gn(()=>{const t=e.renderer.shadowMap.type;this._currentShadowType!==t&&(this._reset(),this._node=null);let r=this._node;return this.setupShadowPosition(e),null===r&&(this._node=r=this.setupShadow(e),this._currentShadowType=t),e.material.receivedShadowNode&&(r=e.material.receivedShadowNode(r)),r})()}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e;t.updateMatrices(s),r.setSize(t.mapSize.width,t.mapSize.height,r.depth);const a=n.name;n.name=`Shadow Map [ ${s.name||"ID: "+s.id} ]`,i.render(n,t.camera),n.name=a}updateShadow(e){const{shadowMap:t,light:r,shadow:s}=this,{renderer:i,scene:n,camera:a}=e,o=i.shadowMap.type,u=t.depthTexture.version;this._depthVersionCached=u;const l=s.camera.layers.mask;4294967294&s.camera.layers.mask||(s.camera.layers.mask=a.layers.mask);const d=i.getRenderObjectFunction(),c=i.getMRT(),h=!!c&&c.has("velocity");Mv=gv(i,n,Mv),n.overrideMaterial=vv(r),i.setRenderObjectFunction(Ev(i,s,o,h)),i.setClearColor(0,0),i.setRenderTarget(t),this.renderShadow(e),i.setRenderObjectFunction(d),o===pt&&!0!==s.isPointLightShadow&&this.vsmPass(i),s.camera.layers.mask=l,mv(i,n,Mv)}vsmPass(e){const{shadow:t}=this,r=this.shadowMap.depth;this.vsmShadowMapVertical.setSize(t.mapSize.width,t.mapSize.height,r),this.vsmShadowMapHorizontal.setSize(t.mapSize.width,t.mapSize.height,r),e.setRenderTarget(this.vsmShadowMapVertical),Bv.material=this.vsmMaterialVertical,Bv.render(e),e.setRenderTarget(this.vsmShadowMapHorizontal),Bv.material=this.vsmMaterialHorizontal,Bv.render(e)}dispose(){this._reset(),super.dispose()}_reset(){this._currentShadowType=null,Nv(this.light),this.shadowMap&&(this.shadowMap.dispose(),this.shadowMap=null),null!==this.vsmShadowMapVertical&&(this.vsmShadowMapVertical.dispose(),this.vsmShadowMapVertical=null,this.vsmMaterialVertical.dispose(),this.vsmMaterialVertical=null),null!==this.vsmShadowMapHorizontal&&(this.vsmShadowMapHorizontal.dispose(),this.vsmShadowMapHorizontal=null,this.vsmMaterialHorizontal.dispose(),this.vsmMaterialHorizontal=null)}updateBefore(e){const{shadow:t}=this;let r=t.needsUpdate||t.autoUpdate;r&&(this._cameraFrameId[e.camera]===e.frameId&&(r=!1),this._cameraFrameId[e.camera]=e.frameId),r&&(this.updateShadow(e),this.shadowMap.depthTexture.version===this._depthVersionCached&&(t.needsUpdate=!1))}}const Fv=(e,t)=>new Lv(e,t),Pv=new e,Uv=new a,Dv=new r,Iv=new r,Ov=[new r(1,0,0),new r(-1,0,0),new r(0,-1,0),new r(0,1,0),new r(0,0,1),new r(0,0,-1)],Vv=[new r(0,-1,0),new r(0,-1,0),new r(0,0,-1),new r(0,0,1),new r(0,-1,0),new r(0,-1,0)],kv=[new r(1,0,0),new r(-1,0,0),new r(0,1,0),new r(0,-1,0),new r(0,0,1),new r(0,0,-1)],Gv=[new r(0,-1,0),new r(0,-1,0),new r(0,0,1),new r(0,0,-1),new r(0,-1,0),new r(0,-1,0)],$v=gn(({depthTexture:e,bd3D:t,dp:r})=>Qc(e,t).compare(r)),zv=gn(({depthTexture:e,bd3D:t,dp:r,shadow:s})=>{const i=Jc("radius","float",s).setGroup(Ra),n=Jc("mapSize","vec2",s).setGroup(Ra),a=i.div(n.x),o=$o(t),u=Ao(lu(t,o.x.greaterThan(o.z).select(An(0,1,0),An(1,0,0)))),l=lu(t,u),d=jx(yd.xy).mul(6.28318530718),c=qx(0,5,d),h=qx(1,5,d),p=qx(2,5,d),g=qx(3,5,d),m=qx(4,5,d);return Qc(e,t.add(u.mul(c.x).add(l.mul(c.y)).mul(a))).compare(r).add(Qc(e,t.add(u.mul(h.x).add(l.mul(h.y)).mul(a))).compare(r)).add(Qc(e,t.add(u.mul(p.x).add(l.mul(p.y)).mul(a))).compare(r)).add(Qc(e,t.add(u.mul(g.x).add(l.mul(g.y)).mul(a))).compare(r)).add(Qc(e,t.add(u.mul(m.x).add(l.mul(m.y)).mul(a))).compare(r)).mul(.2)}),Wv=gn(({filterFn:e,depthTexture:t,shadowCoord:r,shadow:s},i)=>{const n=r.xyz.toConst(),a=n.abs().toConst(),o=a.x.max(a.y).max(a.z),u=Aa("float").setGroup(Ra).onRenderUpdate(()=>s.camera.near),l=Aa("float").setGroup(Ra).onRenderUpdate(()=>s.camera.far),d=Jc("bias","float",s).setGroup(Ra),c=Tn(1).toVar();return yn(o.sub(l).lessThanEqual(0).and(o.sub(u).greaterThanEqual(0)),()=>{let r;i.renderer.reversedDepthBuffer?(r=Sg(o.negate(),u,l),r.subAssign(d)):i.renderer.logarithmicDepthBuffer?(r=Eg(o.negate(),u,l),r.addAssign(d)):(r=Ng(o.negate(),u,l),r.addAssign(d));const a=n.normalize();c.assign(e({depthTexture:t,bd3D:a,dp:r,shadow:s}))}),c});class Hv extends Lv{static get type(){return"PointShadowNode"}constructor(e,t=null){super(e,t)}getShadowFilterFn(e){return e===gt?$v:zv}setupShadowCoord(e,t){return t}setupShadowFilter(e,{filterFn:t,depthTexture:r,shadowCoord:s,shadow:i}){return Wv({filterFn:t,depthTexture:r,shadowCoord:s,shadow:i})}setupRenderTarget(e,t){const r=new mt(e.mapSize.width);r.name="PointShadowDepthTexture",r.compareFunction=t.renderer.reversedDepthBuffer?M:A;const s=t.createCubeRenderTarget(e.mapSize.width);return s.texture.name="PointShadowMap",s.depthTexture=r,{shadowMap:s,depthTexture:r}}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e,a=t.camera,o=t.matrix,u=i.coordinateSystem===h,l=u?Ov:kv,d=u?Vv:Gv;r.setSize(t.mapSize.width,t.mapSize.width);const c=i.autoClear,p=i.getClearColor(Pv),g=i.getClearAlpha();i.autoClear=!1,i.setClearColor(t.clearColor,t.clearAlpha);for(let e=0;e<6;e++){i.setRenderTarget(r,e),i.clear();const u=s.distance||a.far;u!==a.far&&(a.far=u,a.updateProjectionMatrix()),Dv.setFromMatrixPosition(s.matrixWorld),a.position.copy(Dv),Iv.copy(a.position),Iv.add(l[e]),a.up.copy(d[e]),a.lookAt(Iv),a.updateMatrixWorld(),o.makeTranslation(-Dv.x,-Dv.y,-Dv.z),Uv.multiplyMatrices(a.projectionMatrix,a.matrixWorldInverse),t._frustum.setFromProjectionMatrix(Uv,a.coordinateSystem,a.reversedDepth);const c=n.name;n.name=`Point Light Shadow [ ${s.name||"ID: "+s.id} ] - Face ${e+1}`,i.render(n,a),n.name=c}i.autoClear=c,i.setClearColor(p,g)}}const jv=(e,t)=>new Hv(e,t);class qv extends ag{static get type(){return"AnalyticLightNode"}constructor(t=null){super(),this.light=t,this.color=new e,this.colorNode=t&&t.colorNode||Aa(this.color).setGroup(Ra),this.baseColorNode=null,this.shadowNode=null,this.shadowColorNode=null,this.isAnalyticLightNode=!0,this.updateType=ii.FRAME,t&&t.shadow&&(this._shadowDisposeListener=()=>{this.disposeShadow()},t.addEventListener("dispose",this._shadowDisposeListener))}dispose(){this._shadowDisposeListener&&this.light.removeEventListener("dispose",this._shadowDisposeListener),super.dispose()}disposeShadow(){null!==this.shadowNode&&(this.shadowNode.dispose(),this.shadowNode=null),this.shadowColorNode=null,null!==this.baseColorNode&&(this.colorNode=this.baseColorNode,this.baseColorNode=null)}getHash(){return this.light.uuid}getLightVector(e){return K_(this.light).sub(e.context.positionView||Tc)}setupDirect(){}setupDirectRectArea(){}setupShadowNode(){return Fv(this.light)}setupShadow(e){const{renderer:t}=e;if(!1===t.shadowMap.enabled)return;let r=this.shadowColorNode;if(null===r){const e=this.light.shadow.shadowNode;let t;t=void 0!==e?sn(e):this.setupShadowNode(),this.shadowNode=t,this.shadowColorNode=r=this.colorNode.mul(t),this.baseColorNode=this.colorNode}e.context.getShadow&&(r=e.context.getShadow(this,e)),this.colorNode=r}setup(e){this.colorNode=this.baseColorNode||this.colorNode,this.light.castShadow?e.object.receiveShadow&&this.setupShadow(e):null!==this.shadowNode&&(this.shadowNode.dispose(),this.shadowNode=null,this.shadowColorNode=null);const t=this.setupDirect(e),r=this.setupDirectRectArea(e);t&&e.lightsNode.setupDirectLight(e,this,t),r&&e.lightsNode.setupDirectRectAreaLight(e,this,r)}update(){const{light:e}=this;this.color.copy(e.color).multiplyScalar(e.intensity)}}const Xv=gn(({lightDistance:e,cutoffDistance:t,decayExponent:r})=>{const s=e.pow(r).max(.01).reciprocal();return t.greaterThan(0).select(s.mul(e.div(t).pow4().oneMinus().clamp().pow2()),s)}),Yv=({color:e,lightVector:t,cutoffDistance:r,decayExponent:s})=>{const i=t.normalize(),n=t.length(),a=Xv({lightDistance:n,cutoffDistance:r,decayExponent:s});return{lightDirection:i,lightColor:e.mul(a)}};class Qv extends qv{static get type(){return"PointLightNode"}constructor(e=null){super(e),this.cutoffDistanceNode=Aa(0).setGroup(Ra),this.decayExponentNode=Aa(2).setGroup(Ra)}update(e){const{light:t}=this;super.update(e),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}setupShadowNode(){return jv(this.light)}setupDirect(e){return Yv({color:this.colorNode,lightVector:this.getLightVector(e),cutoffDistance:this.cutoffDistanceNode,decayExponent:this.decayExponentNode})}}const Kv=gn(([e=ql()])=>{const t=e.mul(2),r=t.x.floor(),s=t.y.floor();return r.add(s).mod(2).sign()}),Zv=gn(([e=ql()],{renderer:t,material:r})=>{const s=bu(e.mul(2).sub(1));let i;if(r.alphaToCoverage&&t.currentSamples>0){const e=Tn(s.fwidth()).toVar();i=Nu(e.oneMinus(),e.add(1),s).oneMinus()}else i=Lu(s.greaterThan(1),0,1);return i}),Jv=gn(([e,t,r])=>{const s=Tn(r).toVar(),i=Tn(t).toVar(),n=Nn(e).toVar();return Lu(n,i,s).uniformFlow()}).setLayout({name:"mx_select",type:"float",inputs:[{name:"b",type:"bool"},{name:"t",type:"float"},{name:"f",type:"float"}]}),eN=gn(([e,t])=>{const r=Nn(t).toVar(),s=Tn(e).toVar();return Lu(r,s.negate(),s).uniformFlow()}).setLayout({name:"mx_negate_if",type:"float",inputs:[{name:"val",type:"float"},{name:"b",type:"bool"}]}),tN=gn(([e])=>{const t=Tn(e).toVar();return _n(Eo(t))}).setLayout({name:"mx_floor",type:"int",inputs:[{name:"x",type:"float"}]}),rN=gn(([e,t])=>{const r=Tn(e).toVar();return t.assign(tN(r)),r.sub(Tn(t))}),sN=dx([gn(([e,t,r,s,i,n])=>{const a=Tn(n).toVar(),o=Tn(i).toVar(),u=Tn(s).toVar(),l=Tn(r).toVar(),d=Tn(t).toVar(),c=Tn(e).toVar(),h=Tn(Oa(1,o)).toVar();return Oa(1,a).mul(c.mul(h).add(d.mul(o))).add(a.mul(l.mul(h).add(u.mul(o))))}).setLayout({name:"mx_bilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"}]}),gn(([e,t,r,s,i,n])=>{const a=Tn(n).toVar(),o=Tn(i).toVar(),u=An(s).toVar(),l=An(r).toVar(),d=An(t).toVar(),c=An(e).toVar(),h=Tn(Oa(1,o)).toVar();return Oa(1,a).mul(c.mul(h).add(d.mul(o))).add(a.mul(l.mul(h).add(u.mul(o))))}).setLayout({name:"mx_bilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"}]})]),iN=dx([gn(([e,t,r,s,i,n,a,o,u,l,d])=>{const c=Tn(d).toVar(),h=Tn(l).toVar(),p=Tn(u).toVar(),g=Tn(o).toVar(),m=Tn(a).toVar(),f=Tn(n).toVar(),y=Tn(i).toVar(),b=Tn(s).toVar(),x=Tn(r).toVar(),T=Tn(t).toVar(),_=Tn(e).toVar(),v=Tn(Oa(1,p)).toVar(),N=Tn(Oa(1,h)).toVar();return Tn(Oa(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(x.mul(v).add(b.mul(p))))).add(c.mul(N.mul(y.mul(v).add(f.mul(p))).add(h.mul(m.mul(v).add(g.mul(p))))))}).setLayout({name:"mx_trilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"v4",type:"float"},{name:"v5",type:"float"},{name:"v6",type:"float"},{name:"v7",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]}),gn(([e,t,r,s,i,n,a,o,u,l,d])=>{const c=Tn(d).toVar(),h=Tn(l).toVar(),p=Tn(u).toVar(),g=An(o).toVar(),m=An(a).toVar(),f=An(n).toVar(),y=An(i).toVar(),b=An(s).toVar(),x=An(r).toVar(),T=An(t).toVar(),_=An(e).toVar(),v=Tn(Oa(1,p)).toVar(),N=Tn(Oa(1,h)).toVar();return Tn(Oa(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(x.mul(v).add(b.mul(p))))).add(c.mul(N.mul(y.mul(v).add(f.mul(p))).add(h.mul(m.mul(v).add(g.mul(p))))))}).setLayout({name:"mx_trilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"v4",type:"vec3"},{name:"v5",type:"vec3"},{name:"v6",type:"vec3"},{name:"v7",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]})]),nN=gn(([e,t,r])=>{const s=Tn(r).toVar(),i=Tn(t).toVar(),n=vn(e).toVar(),a=vn(n.bitAnd(vn(7))).toVar(),o=Tn(Jv(a.lessThan(vn(4)),i,s)).toVar(),u=Tn(Va(2,Jv(a.lessThan(vn(4)),s,i))).toVar();return eN(o,Nn(a.bitAnd(vn(1)))).add(eN(u,Nn(a.bitAnd(vn(2)))))}).setLayout({name:"mx_gradient_float_0",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"}]}),aN=gn(([e,t,r,s])=>{const i=Tn(s).toVar(),n=Tn(r).toVar(),a=Tn(t).toVar(),o=vn(e).toVar(),u=vn(o.bitAnd(vn(15))).toVar(),l=Tn(Jv(u.lessThan(vn(8)),a,n)).toVar(),d=Tn(Jv(u.lessThan(vn(4)),n,Jv(u.equal(vn(12)).or(u.equal(vn(14))),a,i))).toVar();return eN(l,Nn(u.bitAnd(vn(1)))).add(eN(d,Nn(u.bitAnd(vn(2)))))}).setLayout({name:"mx_gradient_float_1",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),oN=dx([nN,aN]),uN=gn(([e,t,r])=>{const s=Tn(r).toVar(),i=Tn(t).toVar(),n=Mn(e).toVar();return An(oN(n.x,i,s),oN(n.y,i,s),oN(n.z,i,s))}).setLayout({name:"mx_gradient_vec3_0",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"}]}),lN=gn(([e,t,r,s])=>{const i=Tn(s).toVar(),n=Tn(r).toVar(),a=Tn(t).toVar(),o=Mn(e).toVar();return An(oN(o.x,a,n,i),oN(o.y,a,n,i),oN(o.z,a,n,i))}).setLayout({name:"mx_gradient_vec3_1",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),dN=dx([uN,lN]),cN=gn(([e])=>{const t=Tn(e).toVar();return Va(.6616,t)}).setLayout({name:"mx_gradient_scale2d_0",type:"float",inputs:[{name:"v",type:"float"}]}),hN=gn(([e])=>{const t=Tn(e).toVar();return Va(.982,t)}).setLayout({name:"mx_gradient_scale3d_0",type:"float",inputs:[{name:"v",type:"float"}]}),pN=dx([cN,gn(([e])=>{const t=An(e).toVar();return Va(.6616,t)}).setLayout({name:"mx_gradient_scale2d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),gN=dx([hN,gn(([e])=>{const t=An(e).toVar();return Va(.982,t)}).setLayout({name:"mx_gradient_scale3d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),mN=gn(([e,t])=>{const r=_n(t).toVar(),s=vn(e).toVar();return s.shiftLeft(r).bitOr(s.shiftRight(_n(32).sub(r)))}).setLayout({name:"mx_rotl32",type:"uint",inputs:[{name:"x",type:"uint"},{name:"k",type:"int"}]}),fN=gn(([e,t,r])=>{e.subAssign(r),e.bitXorAssign(mN(r,_n(4))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(mN(e,_n(6))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(mN(t,_n(8))),t.addAssign(e),e.subAssign(r),e.bitXorAssign(mN(r,_n(16))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(mN(e,_n(19))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(mN(t,_n(4))),t.addAssign(e)}),yN=gn(([e,t,r])=>{const s=vn(r).toVar(),i=vn(t).toVar(),n=vn(e).toVar();return s.bitXorAssign(i),s.subAssign(mN(i,_n(14))),n.bitXorAssign(s),n.subAssign(mN(s,_n(11))),i.bitXorAssign(n),i.subAssign(mN(n,_n(25))),s.bitXorAssign(i),s.subAssign(mN(i,_n(16))),n.bitXorAssign(s),n.subAssign(mN(s,_n(4))),i.bitXorAssign(n),i.subAssign(mN(n,_n(14))),s.bitXorAssign(i),s.subAssign(mN(i,_n(24))),s}).setLayout({name:"mx_bjfinal",type:"uint",inputs:[{name:"a",type:"uint"},{name:"b",type:"uint"},{name:"c",type:"uint"}]}),bN=gn(([e])=>{const t=vn(e).toVar();return Tn(t).div(Tn(vn(_n(4294967295))))}).setLayout({name:"mx_bits_to_01",type:"float",inputs:[{name:"bits",type:"uint"}]}),xN=gn(([e])=>{const t=Tn(e).toVar();return t.mul(t).mul(t).mul(t.mul(t.mul(6).sub(15)).add(10))}).setLayout({name:"mx_fade",type:"float",inputs:[{name:"t",type:"float"}]}),TN=dx([gn(([e])=>{const t=_n(e).toVar(),r=vn(vn(1)).toVar(),s=vn(vn(_n(3735928559)).add(r.shiftLeft(vn(2))).add(vn(13))).toVar();return yN(s.add(vn(t)),s,s)}).setLayout({name:"mx_hash_int_0",type:"uint",inputs:[{name:"x",type:"int"}]}),gn(([e,t])=>{const r=_n(t).toVar(),s=_n(e).toVar(),i=vn(vn(2)).toVar(),n=vn().toVar(),a=vn().toVar(),o=vn().toVar();return n.assign(a.assign(o.assign(vn(_n(3735928559)).add(i.shiftLeft(vn(2))).add(vn(13))))),n.addAssign(vn(s)),a.addAssign(vn(r)),yN(n,a,o)}).setLayout({name:"mx_hash_int_1",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),gn(([e,t,r])=>{const s=_n(r).toVar(),i=_n(t).toVar(),n=_n(e).toVar(),a=vn(vn(3)).toVar(),o=vn().toVar(),u=vn().toVar(),l=vn().toVar();return o.assign(u.assign(l.assign(vn(_n(3735928559)).add(a.shiftLeft(vn(2))).add(vn(13))))),o.addAssign(vn(n)),u.addAssign(vn(i)),l.addAssign(vn(s)),yN(o,u,l)}).setLayout({name:"mx_hash_int_2",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]}),gn(([e,t,r,s])=>{const i=_n(s).toVar(),n=_n(r).toVar(),a=_n(t).toVar(),o=_n(e).toVar(),u=vn(vn(4)).toVar(),l=vn().toVar(),d=vn().toVar(),c=vn().toVar();return l.assign(d.assign(c.assign(vn(_n(3735928559)).add(u.shiftLeft(vn(2))).add(vn(13))))),l.addAssign(vn(o)),d.addAssign(vn(a)),c.addAssign(vn(n)),fN(l,d,c),l.addAssign(vn(i)),yN(l,d,c)}).setLayout({name:"mx_hash_int_3",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"}]}),gn(([e,t,r,s,i])=>{const n=_n(i).toVar(),a=_n(s).toVar(),o=_n(r).toVar(),u=_n(t).toVar(),l=_n(e).toVar(),d=vn(vn(5)).toVar(),c=vn().toVar(),h=vn().toVar(),p=vn().toVar();return c.assign(h.assign(p.assign(vn(_n(3735928559)).add(d.shiftLeft(vn(2))).add(vn(13))))),c.addAssign(vn(l)),h.addAssign(vn(u)),p.addAssign(vn(o)),fN(c,h,p),c.addAssign(vn(a)),h.addAssign(vn(n)),yN(c,h,p)}).setLayout({name:"mx_hash_int_4",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"},{name:"yy",type:"int"}]})]),_N=dx([gn(([e,t])=>{const r=_n(t).toVar(),s=_n(e).toVar(),i=vn(TN(s,r)).toVar(),n=Mn().toVar();return n.x.assign(i.bitAnd(_n(255))),n.y.assign(i.shiftRight(_n(8)).bitAnd(_n(255))),n.z.assign(i.shiftRight(_n(16)).bitAnd(_n(255))),n}).setLayout({name:"mx_hash_vec3_0",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),gn(([e,t,r])=>{const s=_n(r).toVar(),i=_n(t).toVar(),n=_n(e).toVar(),a=vn(TN(n,i,s)).toVar(),o=Mn().toVar();return o.x.assign(a.bitAnd(_n(255))),o.y.assign(a.shiftRight(_n(8)).bitAnd(_n(255))),o.z.assign(a.shiftRight(_n(16)).bitAnd(_n(255))),o}).setLayout({name:"mx_hash_vec3_1",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]})]),vN=dx([gn(([e])=>{const t=Sn(e).toVar(),r=_n().toVar(),s=_n().toVar(),i=Tn(rN(t.x,r)).toVar(),n=Tn(rN(t.y,s)).toVar(),a=Tn(xN(i)).toVar(),o=Tn(xN(n)).toVar(),u=Tn(sN(oN(TN(r,s),i,n),oN(TN(r.add(_n(1)),s),i.sub(1),n),oN(TN(r,s.add(_n(1))),i,n.sub(1)),oN(TN(r.add(_n(1)),s.add(_n(1))),i.sub(1),n.sub(1)),a,o)).toVar();return pN(u)}).setLayout({name:"mx_perlin_noise_float_0",type:"float",inputs:[{name:"p",type:"vec2"}]}),gn(([e])=>{const t=An(e).toVar(),r=_n().toVar(),s=_n().toVar(),i=_n().toVar(),n=Tn(rN(t.x,r)).toVar(),a=Tn(rN(t.y,s)).toVar(),o=Tn(rN(t.z,i)).toVar(),u=Tn(xN(n)).toVar(),l=Tn(xN(a)).toVar(),d=Tn(xN(o)).toVar(),c=Tn(iN(oN(TN(r,s,i),n,a,o),oN(TN(r.add(_n(1)),s,i),n.sub(1),a,o),oN(TN(r,s.add(_n(1)),i),n,a.sub(1),o),oN(TN(r.add(_n(1)),s.add(_n(1)),i),n.sub(1),a.sub(1),o),oN(TN(r,s,i.add(_n(1))),n,a,o.sub(1)),oN(TN(r.add(_n(1)),s,i.add(_n(1))),n.sub(1),a,o.sub(1)),oN(TN(r,s.add(_n(1)),i.add(_n(1))),n,a.sub(1),o.sub(1)),oN(TN(r.add(_n(1)),s.add(_n(1)),i.add(_n(1))),n.sub(1),a.sub(1),o.sub(1)),u,l,d)).toVar();return gN(c)}).setLayout({name:"mx_perlin_noise_float_1",type:"float",inputs:[{name:"p",type:"vec3"}]})]),NN=dx([gn(([e])=>{const t=Sn(e).toVar(),r=_n().toVar(),s=_n().toVar(),i=Tn(rN(t.x,r)).toVar(),n=Tn(rN(t.y,s)).toVar(),a=Tn(xN(i)).toVar(),o=Tn(xN(n)).toVar(),u=An(sN(dN(_N(r,s),i,n),dN(_N(r.add(_n(1)),s),i.sub(1),n),dN(_N(r,s.add(_n(1))),i,n.sub(1)),dN(_N(r.add(_n(1)),s.add(_n(1))),i.sub(1),n.sub(1)),a,o)).toVar();return pN(u)}).setLayout({name:"mx_perlin_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"vec2"}]}),gn(([e])=>{const t=An(e).toVar(),r=_n().toVar(),s=_n().toVar(),i=_n().toVar(),n=Tn(rN(t.x,r)).toVar(),a=Tn(rN(t.y,s)).toVar(),o=Tn(rN(t.z,i)).toVar(),u=Tn(xN(n)).toVar(),l=Tn(xN(a)).toVar(),d=Tn(xN(o)).toVar(),c=An(iN(dN(_N(r,s,i),n,a,o),dN(_N(r.add(_n(1)),s,i),n.sub(1),a,o),dN(_N(r,s.add(_n(1)),i),n,a.sub(1),o),dN(_N(r.add(_n(1)),s.add(_n(1)),i),n.sub(1),a.sub(1),o),dN(_N(r,s,i.add(_n(1))),n,a,o.sub(1)),dN(_N(r.add(_n(1)),s,i.add(_n(1))),n.sub(1),a,o.sub(1)),dN(_N(r,s.add(_n(1)),i.add(_n(1))),n,a.sub(1),o.sub(1)),dN(_N(r.add(_n(1)),s.add(_n(1)),i.add(_n(1))),n.sub(1),a.sub(1),o.sub(1)),u,l,d)).toVar();return gN(c)}).setLayout({name:"mx_perlin_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec3"}]})]),SN=dx([gn(([e])=>{const t=Tn(e).toVar(),r=_n(tN(t)).toVar();return bN(TN(r))}).setLayout({name:"mx_cell_noise_float_0",type:"float",inputs:[{name:"p",type:"float"}]}),gn(([e])=>{const t=Sn(e).toVar(),r=_n(tN(t.x)).toVar(),s=_n(tN(t.y)).toVar();return bN(TN(r,s))}).setLayout({name:"mx_cell_noise_float_1",type:"float",inputs:[{name:"p",type:"vec2"}]}),gn(([e])=>{const t=An(e).toVar(),r=_n(tN(t.x)).toVar(),s=_n(tN(t.y)).toVar(),i=_n(tN(t.z)).toVar();return bN(TN(r,s,i))}).setLayout({name:"mx_cell_noise_float_2",type:"float",inputs:[{name:"p",type:"vec3"}]}),gn(([e])=>{const t=Ln(e).toVar(),r=_n(tN(t.x)).toVar(),s=_n(tN(t.y)).toVar(),i=_n(tN(t.z)).toVar(),n=_n(tN(t.w)).toVar();return bN(TN(r,s,i,n))}).setLayout({name:"mx_cell_noise_float_3",type:"float",inputs:[{name:"p",type:"vec4"}]})]),RN=dx([gn(([e])=>{const t=Tn(e).toVar(),r=_n(tN(t)).toVar();return An(bN(TN(r,_n(0))),bN(TN(r,_n(1))),bN(TN(r,_n(2))))}).setLayout({name:"mx_cell_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"float"}]}),gn(([e])=>{const t=Sn(e).toVar(),r=_n(tN(t.x)).toVar(),s=_n(tN(t.y)).toVar();return An(bN(TN(r,s,_n(0))),bN(TN(r,s,_n(1))),bN(TN(r,s,_n(2))))}).setLayout({name:"mx_cell_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec2"}]}),gn(([e])=>{const t=An(e).toVar(),r=_n(tN(t.x)).toVar(),s=_n(tN(t.y)).toVar(),i=_n(tN(t.z)).toVar();return An(bN(TN(r,s,i,_n(0))),bN(TN(r,s,i,_n(1))),bN(TN(r,s,i,_n(2))))}).setLayout({name:"mx_cell_noise_vec3_2",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),gn(([e])=>{const t=Ln(e).toVar(),r=_n(tN(t.x)).toVar(),s=_n(tN(t.y)).toVar(),i=_n(tN(t.z)).toVar(),n=_n(tN(t.w)).toVar();return An(bN(TN(r,s,i,n,_n(0))),bN(TN(r,s,i,n,_n(1))),bN(TN(r,s,i,n,_n(2))))}).setLayout({name:"mx_cell_noise_vec3_3",type:"vec3",inputs:[{name:"p",type:"vec4"}]})]),EN=gn(([e,t,r,s])=>{const i=Tn(s).toVar(),n=Tn(r).toVar(),a=_n(t).toVar(),o=An(e).toVar(),u=Tn(0).toVar(),l=Tn(1).toVar();return Zp(a,()=>{u.addAssign(l.mul(vN(o))),l.mulAssign(i),o.mulAssign(n)}),u}).setLayout({name:"mx_fractal_noise_float",type:"float",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),wN=gn(([e,t,r,s])=>{const i=Tn(s).toVar(),n=Tn(r).toVar(),a=_n(t).toVar(),o=An(e).toVar(),u=An(0).toVar(),l=Tn(1).toVar();return Zp(a,()=>{u.addAssign(l.mul(NN(o))),l.mulAssign(i),o.mulAssign(n)}),u}).setLayout({name:"mx_fractal_noise_vec3",type:"vec3",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),AN=gn(([e,t,r,s])=>{const i=Tn(s).toVar(),n=Tn(r).toVar(),a=_n(t).toVar(),o=An(e).toVar();return Sn(EN(o,a,n,i),EN(o.add(An(_n(19),_n(193),_n(17))),a,n,i))}).setLayout({name:"mx_fractal_noise_vec2",type:"vec2",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),CN=gn(([e,t,r,s])=>{const i=Tn(s).toVar(),n=Tn(r).toVar(),a=_n(t).toVar(),o=An(e).toVar(),u=An(wN(o,a,n,i)).toVar(),l=Tn(EN(o.add(An(_n(19),_n(193),_n(17))),a,n,i)).toVar();return Ln(u,l)}).setLayout({name:"mx_fractal_noise_vec4",type:"vec4",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),MN=dx([gn(([e,t,r,s,i,n,a])=>{const o=_n(a).toVar(),u=Tn(n).toVar(),l=_n(i).toVar(),d=_n(s).toVar(),c=_n(r).toVar(),h=_n(t).toVar(),p=Sn(e).toVar(),g=An(RN(Sn(h.add(d),c.add(l)))).toVar(),m=Sn(g.x,g.y).toVar();m.subAssign(.5),m.mulAssign(u),m.addAssign(.5);const f=Sn(Sn(Tn(h),Tn(c)).add(m)).toVar(),y=Sn(f.sub(p)).toVar();return yn(o.equal(_n(2)),()=>$o(y.x).add($o(y.y))),yn(o.equal(_n(3)),()=>su($o(y.x),$o(y.y))),uu(y,y)}).setLayout({name:"mx_worley_distance_0",type:"float",inputs:[{name:"p",type:"vec2"},{name:"x",type:"int"},{name:"y",type:"int"},{name:"xoff",type:"int"},{name:"yoff",type:"int"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),gn(([e,t,r,s,i,n,a,o,u])=>{const l=_n(u).toVar(),d=Tn(o).toVar(),c=_n(a).toVar(),h=_n(n).toVar(),p=_n(i).toVar(),g=_n(s).toVar(),m=_n(r).toVar(),f=_n(t).toVar(),y=An(e).toVar(),b=An(RN(An(f.add(p),m.add(h),g.add(c)))).toVar();b.subAssign(.5),b.mulAssign(d),b.addAssign(.5);const x=An(An(Tn(f),Tn(m),Tn(g)).add(b)).toVar(),T=An(x.sub(y)).toVar();return yn(l.equal(_n(2)),()=>$o(T.x).add($o(T.y)).add($o(T.z))),yn(l.equal(_n(3)),()=>su($o(T.x),$o(T.y),$o(T.z))),uu(T,T)}).setLayout({name:"mx_worley_distance_1",type:"float",inputs:[{name:"p",type:"vec3"},{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xoff",type:"int"},{name:"yoff",type:"int"},{name:"zoff",type:"int"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),BN=gn(([e,t,r])=>{const s=_n(r).toVar(),i=Tn(t).toVar(),n=Sn(e).toVar(),a=_n().toVar(),o=_n().toVar(),u=Sn(rN(n.x,a),rN(n.y,o)).toVar(),l=Tn(1e6).toVar();return Zp({start:-1,end:_n(1),name:"x",condition:"<="},({x:e})=>{Zp({start:-1,end:_n(1),name:"y",condition:"<="},({y:t})=>{const r=Tn(MN(u,e,t,a,o,i,s)).toVar();l.assign(ru(l,r))})}),yn(s.equal(_n(0)),()=>{l.assign(So(l))}),l}).setLayout({name:"mx_worley_noise_float_0",type:"float",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),LN=gn(([e,t,r])=>{const s=_n(r).toVar(),i=Tn(t).toVar(),n=Sn(e).toVar(),a=_n().toVar(),o=_n().toVar(),u=Sn(rN(n.x,a),rN(n.y,o)).toVar(),l=Sn(1e6,1e6).toVar();return Zp({start:-1,end:_n(1),name:"x",condition:"<="},({x:e})=>{Zp({start:-1,end:_n(1),name:"y",condition:"<="},({y:t})=>{const r=Tn(MN(u,e,t,a,o,i,s)).toVar();yn(r.lessThan(l.x),()=>{l.y.assign(l.x),l.x.assign(r)}).ElseIf(r.lessThan(l.y),()=>{l.y.assign(r)})})}),yn(s.equal(_n(0)),()=>{l.assign(So(l))}),l}).setLayout({name:"mx_worley_noise_vec2_0",type:"vec2",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),FN=gn(([e,t,r])=>{const s=_n(r).toVar(),i=Tn(t).toVar(),n=Sn(e).toVar(),a=_n().toVar(),o=_n().toVar(),u=Sn(rN(n.x,a),rN(n.y,o)).toVar(),l=An(1e6,1e6,1e6).toVar();return Zp({start:-1,end:_n(1),name:"x",condition:"<="},({x:e})=>{Zp({start:-1,end:_n(1),name:"y",condition:"<="},({y:t})=>{const r=Tn(MN(u,e,t,a,o,i,s)).toVar();yn(r.lessThan(l.x),()=>{l.z.assign(l.y),l.y.assign(l.x),l.x.assign(r)}).ElseIf(r.lessThan(l.y),()=>{l.z.assign(l.y),l.y.assign(r)}).ElseIf(r.lessThan(l.z),()=>{l.z.assign(r)})})}),yn(s.equal(_n(0)),()=>{l.assign(So(l))}),l}).setLayout({name:"mx_worley_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),PN=dx([BN,gn(([e,t,r])=>{const s=_n(r).toVar(),i=Tn(t).toVar(),n=An(e).toVar(),a=_n().toVar(),o=_n().toVar(),u=_n().toVar(),l=An(rN(n.x,a),rN(n.y,o),rN(n.z,u)).toVar(),d=Tn(1e6).toVar();return Zp({start:-1,end:_n(1),name:"x",condition:"<="},({x:e})=>{Zp({start:-1,end:_n(1),name:"y",condition:"<="},({y:t})=>{Zp({start:-1,end:_n(1),name:"z",condition:"<="},({z:r})=>{const n=Tn(MN(l,e,t,r,a,o,u,i,s)).toVar();d.assign(ru(d,n))})})}),yn(s.equal(_n(0)),()=>{d.assign(So(d))}),d}).setLayout({name:"mx_worley_noise_float_1",type:"float",inputs:[{name:"p",type:"vec3"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),UN=dx([LN,gn(([e,t,r])=>{const s=_n(r).toVar(),i=Tn(t).toVar(),n=An(e).toVar(),a=_n().toVar(),o=_n().toVar(),u=_n().toVar(),l=An(rN(n.x,a),rN(n.y,o),rN(n.z,u)).toVar(),d=Sn(1e6,1e6).toVar();return Zp({start:-1,end:_n(1),name:"x",condition:"<="},({x:e})=>{Zp({start:-1,end:_n(1),name:"y",condition:"<="},({y:t})=>{Zp({start:-1,end:_n(1),name:"z",condition:"<="},({z:r})=>{const n=Tn(MN(l,e,t,r,a,o,u,i,s)).toVar();yn(n.lessThan(d.x),()=>{d.y.assign(d.x),d.x.assign(n)}).ElseIf(n.lessThan(d.y),()=>{d.y.assign(n)})})})}),yn(s.equal(_n(0)),()=>{d.assign(So(d))}),d}).setLayout({name:"mx_worley_noise_vec2_1",type:"vec2",inputs:[{name:"p",type:"vec3"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),DN=dx([FN,gn(([e,t,r])=>{const s=_n(r).toVar(),i=Tn(t).toVar(),n=An(e).toVar(),a=_n().toVar(),o=_n().toVar(),u=_n().toVar(),l=An(rN(n.x,a),rN(n.y,o),rN(n.z,u)).toVar(),d=An(1e6,1e6,1e6).toVar();return Zp({start:-1,end:_n(1),name:"x",condition:"<="},({x:e})=>{Zp({start:-1,end:_n(1),name:"y",condition:"<="},({y:t})=>{Zp({start:-1,end:_n(1),name:"z",condition:"<="},({z:r})=>{const 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yn(c.equal(_n(0)),()=>{N.assign(NN(v))}),yn(c.equal(_n(1)),()=>{N.assign(RN(v))}),yn(c.equal(_n(2)),()=>{N.assign(DN(v,m,_n(0)))}),yn(c.equal(_n(3)),()=>{N.assign(wN(An(v,0),x,T,_))}),N.assign(N.mul(y.sub(f)).add(f)),yn(b,()=>{N.assign(Tu(N,f,y))}),N}).setLayout({name:"mx_unifiednoise2d",type:"float",inputs:[{name:"noiseType",type:"int"},{name:"texcoord",type:"vec2"},{name:"freq",type:"vec2"},{name:"offset",type:"vec2"},{name:"jitter",type:"float"},{name:"outmin",type:"float"},{name:"outmax",type:"float"},{name:"clampoutput",type:"bool"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),ON=gn(([e,t,r,s,i,n,a,o,u,l,d])=>{const c=_n(e).toVar(),h=An(t).toVar(),p=An(r).toVar(),g=An(s).toVar(),m=Tn(i).toVar(),f=Tn(n).toVar(),y=Tn(a).toVar(),b=Nn(o).toVar(),x=_n(u).toVar(),T=Tn(l).toVar(),_=Tn(d).toVar(),v=h.mul(p).add(g),N=Tn(0).toVar();return yn(c.equal(_n(0)),()=>{N.assign(NN(v))}),yn(c.equal(_n(1)),()=>{N.assign(RN(v))}),yn(c.equal(_n(2)),()=>{N.assign(DN(v,m,_n(0)))}),yn(c.equal(_n(3)),()=>{N.assign(wN(v,x,T,_))}),N.assign(N.mul(y.sub(f)).add(f)),yn(b,()=>{N.assign(Tu(N,f,y))}),N}).setLayout({name:"mx_unifiednoise3d",type:"float",inputs:[{name:"noiseType",type:"int"},{name:"position",type:"vec3"},{name:"freq",type:"vec3"},{name:"offset",type:"vec3"},{name:"jitter",type:"float"},{name:"outmin",type:"float"},{name:"outmax",type:"float"},{name:"clampoutput",type:"bool"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),VN=gn(([e])=>{const t=e.y,r=e.z,s=An().toVar();return yn(t.lessThan(1e-4),()=>{s.assign(An(r,r,r))}).Else(()=>{let i=e.x;i=i.sub(Eo(i)).mul(6).toVar();const n=_n(Ko(i)),a=i.sub(Tn(n)),o=r.mul(t.oneMinus()),u=r.mul(t.mul(a).oneMinus()),l=r.mul(t.mul(a.oneMinus()).oneMinus());yn(n.equal(_n(0)),()=>{s.assign(An(r,l,o))}).ElseIf(n.equal(_n(1)),()=>{s.assign(An(u,r,o))}).ElseIf(n.equal(_n(2)),()=>{s.assign(An(o,r,l))}).ElseIf(n.equal(_n(3)),()=>{s.assign(An(o,u,r))}).ElseIf(n.equal(_n(4)),()=>{s.assign(An(l,o,r))}).Else(()=>{s.assign(An(r,o,u))})}),s}).setLayout({name:"mx_hsvtorgb",type:"vec3",inputs:[{name:"hsv",type:"vec3"}]}),kN=gn(([e])=>{const t=An(e).toVar(),r=Tn(t.x).toVar(),s=Tn(t.y).toVar(),i=Tn(t.z).toVar(),n=Tn(ru(r,ru(s,i))).toVar(),a=Tn(su(r,su(s,i))).toVar(),o=Tn(a.sub(n)).toVar(),u=Tn().toVar(),l=Tn().toVar(),d=Tn().toVar();return 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s=this.renderer,i=this.nodes.getBackgroundNode(e)||e.background;let n=!1;if(null===i)s._clearColor.getRGB(XN),XN.a=s._clearColor.a;else if(!0===i.isColor)i.getRGB(XN),XN.a=1,n=!0;else if(!0===i.isNode){const u=this.get(e),l=i;XN.copy(s._clearColor);let d=u.backgroundMesh;if(void 0===d){const h=Ln(l).mul(tT).context({getUV:()=>rT.mul(Mc),getTextureLevel:()=>eT}),p=kd.element(3).element(3).equal(1),g=ka(1,kd.element(1).element(1)).mul(3),m=p.select(fc.mul(g),fc),f=dc.mul(Ln(m,0));let y=kd.mul(Ln(f.xyz,1));y=y.setZ(y.w);const b=new Ig;function x(){i.removeEventListener("dispose",x),d.material.dispose(),d.geometry.dispose()}b.name="Background.material",b.side=F,b.depthTest=!1,b.depthWrite=!1,b.allowOverride=!1,b.fog=!1,b.lights=!1,b.vertexNode=y,b.colorNode=h,u.backgroundMeshNode=h,u.backgroundMesh=d=new oe(new ft(1,32,32),b),d.frustumCulled=!1,d.name="Background.mesh",i.addEventListener("dispose",x)}const c=l.getCacheKey();u.backgroundCacheKey!==c&&(u.backgroundMeshNode.node=Ln(l).mul(tT),u.backgroundMeshNode.needsUpdate=!0,d.material.needsUpdate=!0,u.backgroundCacheKey=c),t.unshift(d,d.geometry,d.material,0,0,null,null)}else o("Renderer: Unsupported background configuration.",i);const a=s.xr.getEnvironmentBlendMode();if("additive"===a?XN.set(0,0,0,1):"alpha-blend"===a&&XN.set(0,0,0,0),!0===s.autoClear||!0===n){const T=r.clearColorValue;T.r=XN.r,T.g=XN.g,T.b=XN.b,T.a=XN.a,!0!==s.backend.isWebGLBackend&&!0!==s.alpha||(T.r*=T.a,T.g*=T.a,T.b*=T.a),r.depthClearValue=s.getClearDepth(),r.stencilClearValue=s.getClearStencil(),r.clearColor=!0===s.autoClearColor,r.clearDepth=!0===s.autoClearDepth,r.clearStencil=!0===s.autoClearStencil}else r.clearColor=!1,r.clearDepth=!1,r.clearStencil=!1}}let QN=0;class KN{constructor(e="",t=[]){this.name=e,this.bindings=t,this.id=QN++}}class ZN{constructor(e,t,r,s,i,n,a,o,u,l,d=[]){this.vertexShader=e,this.fragmentShader=t,this.computeShader=r,this.transforms=d,this.nodeAttributes=s,this.bindings=i,this.updateNodes=n,this.updateBeforeNodes=a,this.updateAfterNodes=o,this.observer=u,this.hardwareClipping=l,this.usedTimes=0}createBindings(){const e=[];for(const t of this.bindings){if(!0!==t.bindings[0].groupNode.shared){const r=new KN(t.name,[]);e.push(r);for(const e of t.bindings)r.bindings.push(e.clone())}else e.push(t)}return e}}class JN{constructor(e,t,r=null){this.isNodeAttribute=!0,this.name=e,this.type=t,this.node=r}}class eS{constructor(e,t,r){this.isNodeUniform=!0,this.name=e,this.type=t,this.node=r}get value(){return this.node.value}set value(e){this.node.value=e}get id(){return this.node.id}get groupNode(){return this.node.groupNode}}class tS{constructor(e,t,r=!1,s=null){this.isNodeVar=!0,this.name=e,this.type=t,this.readOnly=r,this.count=s}}class rS extends tS{constructor(e,t,r=null,s=null){super(e,t),this.needsInterpolation=!1,this.isNodeVarying=!0,this.interpolationType=r,this.interpolationSampling=s}}class sS{constructor(e,t,r=""){this.name=e,this.type=t,this.code=r,Object.defineProperty(this,"isNodeCode",{value:!0})}}let iS=0;class nS{constructor(e=null){this.id=iS++,this.nodesData=new WeakMap,this.parent=e}getData(e){let t=this.nodesData.get(e);return void 0===t&&null!==this.parent&&(t=this.parent.getData(e)),t}setData(e,t){this.nodesData.set(e,t)}}class aS{constructor(e,t){this.name=e,this.members=t,this.output=!1}}class oS{constructor(e,t){this.name=e,this.value=t,this.boundary=0,this.itemSize=0,this.offset=0,this.index=-1}setValue(e){this.value=e}getValue(){return this.value}}class uS extends oS{constructor(e,t=0){super(e,t),this.isNumberUniform=!0,this.boundary=4,this.itemSize=1}}class lS extends oS{constructor(e,r=new t){super(e,r),this.isVector2Uniform=!0,this.boundary=8,this.itemSize=2}}class dS extends oS{constructor(e,t=new r){super(e,t),this.isVector3Uniform=!0,this.boundary=16,this.itemSize=3}}class cS extends oS{constructor(e,t=new s){super(e,t),this.isVector4Uniform=!0,this.boundary=16,this.itemSize=4}}class hS extends oS{constructor(t,r=new e){super(t,r),this.isColorUniform=!0,this.boundary=16,this.itemSize=3}}class pS extends oS{constructor(e,t=new i){super(e,t),this.isMatrix2Uniform=!0,this.boundary=8,this.itemSize=4}}class gS extends oS{constructor(e,t=new n){super(e,t),this.isMatrix3Uniform=!0,this.boundary=48,this.itemSize=12}}class mS extends oS{constructor(e,t=new a){super(e,t),this.isMatrix4Uniform=!0,this.boundary=64,this.itemSize=16}}class fS extends uS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class yS extends lS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class bS extends dS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class xS extends cS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class TS extends hS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class _S extends pS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class vS extends gS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class NS extends mS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}let SS=0;const RS=new WeakMap,ES=new WeakMap,wS=new WeakMap,AS=new Map([[Int8Array,"int"],[Int16Array,"int"],[Int32Array,"int"],[Uint8Array,"uint"],[Uint16Array,"uint"],[Uint32Array,"uint"],[Float32Array,"float"]]),CS=e=>/e/g.test(e)?String(e).replace(/\+/g,""):(e=Number(e))+(e%1?"":".0"),MS=e=>{if(e.writeUsageCount>0)return!0;if(void 0!==e.subBuildsCache)for(const t in e.subBuildsCache)if(MS(e.subBuildsCache[t]))return!0;return!1};class BS{constructor(e,t,r){this.object=e,this.material=e&&e.material||null,this.geometry=e&&e.geometry||null,this.renderer=t,this.parser=r,this.scene=null,this.camera=null,this.nodes=new Set,this.sequentialNodes=new Set,this.updateNodes=[],this.updateBeforeNodes=[],this.updateAfterNodes=[],this.hashNodes={},this.observer=null,this.lightsNode=null,this.environmentNode=null,this.fogNode=null,this.clippingContext=null,this.hardwareClipping=!1,this.vertexShader=null,this.fragmentShader=null,this.computeShader=null,this.flowNodes={vertex:[],fragment:[],compute:[]},this.flowCode={vertex:"",fragment:"",compute:""},this.uniforms={vertex:[],fragment:[],compute:[],index:0},this.structs={vertex:[],fragment:[],compute:[],index:0},this.types={vertex:[],fragment:[],compute:[],index:0},this.bindings={vertex:{},fragment:{},compute:{}},this.bindingsIndexes={},this.bindGroups=null,this.attributes=[],this.bufferAttributes=[],this.varyings=[],this.codes={},this.vars={},this.declarations={},this.flow={code:""},this.chaining=[],this.stack=Mb(),this.stacks=[],this.tab="\t",this.currentFunctionNode=null,this.context={material:this.material},this.cache=new nS,this.globalCache=this.cache,this.flowsData=new WeakMap,this.shaderStage=null,this.buildStage=null,this.subBuildLayers=[],this.activeStacks=[],this.subBuildFn=null,this.fnCall=null,Object.defineProperty(this,"id",{value:SS++})}isFlatShading(){return!0===this.material.flatShading||!1===this.geometry.hasAttribute("normal")}isOpaque(){const e=this.material;return!1===e.transparent&&e.blending===tt&&!1===e.alphaToCoverage}createRenderTarget(e,t,r){return new ne(e,t,r)}createCubeRenderTarget(e,t){return new rm(e,t)}includes(e){return this.nodes.has(e)}getOutputType(e=0){let t="vec4";const r=this.renderer.getRenderTarget();if(null!==r){const s=r.textures[e].type,i=r.textures[e].format;let n="vec";s===R?n="ivec":s===S&&(n="uvec"),t=i===ze||i===We?s===R?"int":s===S?"uint":"float":i===z||i===qe?`${n}2`:i===Xe||i===Ye?`${n}3`:`${n}4`}return t}getOutputStructName(){}_getBindGroup(e,t){const r=t[0].groupNode;let s,i=r.shared;if(i)for(let e=1;e<t.length;e++)r!==t[e].groupNode&&(i=!1);if(i){let r="";for(const e of t)if(e.isNodeUniformsGroup){e.uniforms.sort((e,t)=>e.nodeUniform.node.id-t.nodeUniform.node.id);for(const t of e.uniforms)r+=t.nodeUniform.node.id}else r+=e.nodeUniform.id;const i=this.renderer._currentRenderContext||this.renderer;let n=RS.get(i);void 0===n&&(n=new Map,RS.set(i,n));const a=Gs(r);s=n.get(a),void 0===s&&(s=new KN(e,t),n.set(a,s))}else s=new KN(e,t);return s}getBindGroupArray(e,t){const r=this.bindings[t];let s=r[e];return void 0===s&&(void 0===this.bindingsIndexes[e]&&(this.bindingsIndexes[e]={binding:0,group:Object.keys(this.bindingsIndexes).length}),r[e]=s=[]),s}getBindings(){let e=this.bindGroups;if(null===e){const t={},r=this.bindings;for(const e of li)for(const s in r[e]){const i=r[e][s],n=t[s]||(t[s]=[]);for(const e of i)!1===n.includes(e)&&n.push(e)}e=[];for(const r in t){const s=t[r],i=this._getBindGroup(r,s);e.push(i)}this.bindGroups=e}return e}sortBindingGroups(){const e=this.getBindings();e.sort((e,t)=>e.bindings[0].groupNode.order-t.bindings[0].groupNode.order);for(let t=0;t<e.length;t++){const r=e[t];this.bindingsIndexes[r.name].group=t}}setHashNode(e,t){this.hashNodes[t]=e}addNode(e){!1===this.nodes.has(e)&&(this.nodes.add(e),this.setHashNode(e,e.getHash(this)))}addSequentialNode(e){const t=e.getUpdateBeforeType(),r=e.getUpdateAfterType();t===ii.NONE&&r===ii.NONE||this.sequentialNodes.add(e)}buildUpdateNodes(){for(const e of this.nodes){e.getUpdateType()!==ii.NONE&&this.updateNodes.push(e)}for(const e of this.sequentialNodes){const t=e.getUpdateBeforeType(),r=e.getUpdateAfterType();t!==ii.NONE&&this.updateBeforeNodes.push(e),r!==ii.NONE&&this.updateAfterNodes.push(e)}}get currentNode(){return this.chaining[this.chaining.length-1]}isFilteredTexture(e){return e.magFilter===le||e.magFilter===yt||e.magFilter===bt||e.magFilter===K||e.minFilter===le||e.minFilter===yt||e.minFilter===bt||e.minFilter===K}getUniformBufferLimit(){return this.renderer.backend.capabilities.getUniformBufferLimit()}addChain(e){this.chaining.push(e)}removeChain(e){if(this.chaining.pop()!==e)throw new Error("THREE.NodeBuilder: Invalid node chaining!")}getMethod(e){return e}getTernary(){return null}getNodeFromHash(e){return this.hashNodes[e]}addFlow(e,t){return this.flowNodes[e].push(t),t}setContext(e){this.context=e}getContext(){return this.context}addContext(e){const t=this.getContext();return this.setContext({...this.context,...e}),t}getSharedContext(){const e={...this.context};return delete e.material,delete e.getUV,delete e.getOutput,delete e.getTextureLevel,delete e.getAO,delete e.getShadow,e}setCache(e){this.cache=e}getCache(){return this.cache}getCacheFromNode(e,t=!0){const r=this.getDataFromNode(e);return void 0===r.cache&&(r.cache=new nS(t?this.getCache():null)),r.cache}isAvailable(){return!1}getVertexIndex(){d("Abstract function.")}getInstanceIndex(){d("Abstract function.")}getDrawIndex(){d("Abstract function.")}getFrontFacing(){d("Abstract function.")}getFragCoord(){d("Abstract function.")}isFlipY(){return!1}isContextAssign(){return!0===this.context.assign}increaseUsage(e){const t=this.getDataFromNode(e);return t.usageCount=void 0===t.usageCount?1:t.usageCount+1,this.isContextAssign()?t.writeUsageCount=void 0===t.writeUsageCount?1:t.writeUsageCount+1:t.readUsageCount=void 0===t.readUsageCount?1:t.readUsageCount+1,t.usageCount}hasWriteUsage(e){const t=e.getShared(this),r=(t.isGlobal(this)?this.globalCache:this.cache).getData(t);if(void 0!==r)for(const e in r)if(MS(r[e]))return!0;return!1}generateTexture(){d("Abstract function.")}generateTextureLod(){d("Abstract function.")}generateArrayDeclaration(e,t){return this.getType(e)+"[ "+t+" ]"}generateArray(e,t,r=null){let s=this.generateArrayDeclaration(e,t)+"( ";for(let i=0;i<t;i++){const n=r?r[i]:null;s+=null!==n?n.build(this,e):this.generateConst(e),i<t-1&&(s+=", ")}return s+=" )",s}generateStruct(e,t,r=null){const s=[];for(const e of t){const{name:t,type:i}=e;r&&r[t]&&r[t].isNode?s.push(r[t].build(this,i)):s.push(this.generateConst(i))}return e+"( "+s.join(", ")+" )"}generateConst(i,n=null){if(null===n&&("float"===i||"int"===i||"uint"===i?n=0:"bool"===i?n=!1:"color"===i?n=new e:"vec2"===i||"uvec2"===i||"ivec2"===i?n=new t:"vec3"===i||"uvec3"===i||"ivec3"===i?n=new r:"vec4"!==i&&"uvec4"!==i&&"ivec4"!==i||(n=new s)),"float"===i)return CS(n);if("int"===i)return`${Math.round(n)}`;if("uint"===i)return n>=0?`${Math.round(n)}u`:"0u";if("bool"===i)return n?"true":"false";if("color"===i)return`${this.getType("vec3")}( ${CS(n.r)}, ${CS(n.g)}, ${CS(n.b)} )`;const a=this.getTypeLength(i),o=this.getComponentType(i),u=e=>this.generateConst(o,e);if(2===a)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)} )`;if(3===a)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)}, ${u(n.z)} )`;if(4===a&&"mat2"!==i)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)}, ${u(n.z)}, ${u(n.w)} )`;if(a>=4&&n&&(n.isMatrix2||n.isMatrix3||n.isMatrix4))return`${this.getType(i)}( ${n.elements.map(u).join(", ")} )`;if(a>4)return`${this.getType(i)}()`;throw new Error(`THREE.NodeBuilder: Type '${i}' not found in generate constant attempt.`)}getType(e){return"color"===e?"vec3":e}hasGeometryAttribute(e){return this.geometry&&void 0!==this.geometry.getAttribute(e)}getAttribute(e,t){const r=this.attributes;for(const t of r)if(t.name===e)return t;const s=new JN(e,t);return this.registerDeclaration(s),r.push(s),s}getPropertyName(e){return e.name}isVector(e){return/vec\d/.test(e)}isMatrix(e){return/mat\d/.test(e)}isReference(e){return"void"===e||"property"===e||"sampler"===e||"samplerComparison"===e||"texture"===e||"cubeTexture"===e||"storageTexture"===e||"depthTexture"===e||"texture3D"===e}needsToWorkingColorSpace(){return!1}getComponentTypeFromTexture(e){const t=e.type;return!0===e.isDepthTexture?"float":t===R?"int":t===S?"uint":"float"}getElementType(e){return"mat2"===e?"vec2":"mat3"===e?"vec3":"mat4"===e?"vec4":this.getComponentType(e)}getComponentType(e){if("float"===(e=this.getVectorType(e))||"bool"===e||"int"===e||"uint"===e)return e;const t=/(b|i|u|)(vec|mat)([2-4])/.exec(e);return null===t?null:"b"===t[1]?"bool":"i"===t[1]?"int":"u"===t[1]?"uint":"float"}getVectorType(e){return"color"===e?"vec3":"texture"===e||"cubeTexture"===e||"storageTexture"===e||"texture3D"===e?"vec4":e}getTypeFromLength(e,t="float"){if(1===e)return t;let r=js(e);const s="float"===t?"":t[0];return!0===/mat2/.test(t)&&(r=r.replace("vec","mat")),s+r}getTypeFromArray(e){return AS.get(e.constructor)}isInteger(e){return/int|uint|(i|u)vec/.test(e)}getTypeFromAttribute(e){let t=e;e.isInterleavedBufferAttribute&&(t=e.data);const r=t.array,s=e.itemSize,i=e.normalized;let n;return e instanceof xt||!0===i||(n=this.getTypeFromArray(r)),this.getTypeFromLength(s,n)}getTypeLength(e){const t=this.getVectorType(e),r=/vec([2-4])/.exec(t);return null!==r?Number(r[1]):"float"===t||"bool"===t||"int"===t||"uint"===t?1:!0===/mat2/.test(e)?4:!0===/mat3/.test(e)?9:!0===/mat4/.test(e)?16:0}getVectorFromMatrix(e){return e.replace("mat","vec")}changeComponentType(e,t){return this.getTypeFromLength(this.getTypeLength(e),t)}getIntegerType(e){const t=this.getComponentType(e);return"int"===t||"uint"===t?e:this.changeComponentType(e,"int")}setActiveStack(e){this.activeStacks.push(e)}removeActiveStack(e){if(this.activeStacks[this.activeStacks.length-1]!==e)throw new Error("THREE.NodeBuilder: Invalid active stack removal.");this.activeStacks.pop()}getActiveStack(){return this.activeStacks[this.activeStacks.length-1]}getBaseStack(){return this.activeStacks[0]}addStack(){this.stack=Mb(this.stack);const e=fn();return this.stacks.push(e),mn(this.stack),this.stack}removeStack(){const e=this.stack;for(const t of e.nodes){this.getDataFromNode(t).stack=e}return this.stack=e.parent,mn(this.stacks.pop()),e}getDataFromNode(e,t=this.shaderStage,r=null){let s=(r=null===r?e.isGlobal(this)?this.globalCache:this.cache:r).getData(e);void 0===s&&(s={},r.setData(e,s)),void 0===s[t]&&(s[t]={});let i=s[t];if(0===this.subBuildLayers.length)return i;const n=s.any?s.any.subBuilds:null,a=this.getClosestSubBuild(n);return a&&(void 0===i.subBuildsCache&&(i.subBuildsCache={}),i=i.subBuildsCache[a]||(i.subBuildsCache[a]={}),i.subBuilds=n),i}getNodeProperties(e,t="any"){const r=this.getDataFromNode(e,t);return r.properties||(r.properties={outputNode:null})}getBufferAttributeFromNode(e,t,r=null){const s=this.getDataFromNode(e,"vertex");let i=s.bufferAttribute;if(void 0===i){const n=this.uniforms.index++;null===r&&(r="nodeAttribute"+n),i=new JN(r,t,e),this.bufferAttributes.push(i),s.bufferAttribute=i}return i}getStructTypeNode(e,t=this.shaderStage){return this.types[t][e]||null}getStructTypeFromNode(e,t,r=null,s=this.shaderStage){const i=this.getDataFromNode(e,s,this.globalCache);let n=i.structType;if(void 0===n){const a=this.structs.index++;null===r&&(r="StructType"+a),n=new aS(r,t),this.structs[s].push(n),this.types[s][r]=e,i.structType=n}return n}getOutputStructTypeFromNode(e,t){const r=this.getStructTypeFromNode(e,t,"OutputType","fragment");return r.output=!0,r}getUniformFromNode(e,t,r=this.shaderStage,s=null){const i=this.getDataFromNode(e,r,this.globalCache);let n=i.uniform;if(void 0===n){const a=this.uniforms.index++;n=new eS(s||"nodeUniform"+a,t,e),this.uniforms[r].push(n),this.registerDeclaration(n),i.uniform=n}return n}getVarFromNode(e,t=null,r=e.getNodeType(this),s=this.shaderStage,i=!1){const n=this.getDataFromNode(e,s),a=this.getSubBuildProperty("variable",n.subBuilds);let o=n[a];if(void 0===o){const u=i?"_const":"_var",l=this.vars[s]||(this.vars[s]=[]),d=this.vars[u]||(this.vars[u]=0);null===t&&(t=(i?"nodeConst":"nodeVar")+d,this.vars[u]++),"variable"!==a&&(t=this.getSubBuildProperty(t,n.subBuilds));const c=e.getArrayCount(this);o=new tS(t,r,i,c),i||l.push(o),this.registerDeclaration(o),n[a]=o}return o}isDeterministic(e){if(e.isMathNode)return this.isDeterministic(e.aNode)&&(!e.bNode||this.isDeterministic(e.bNode))&&(!e.cNode||this.isDeterministic(e.cNode));if(e.isOperatorNode)return this.isDeterministic(e.aNode)&&(!e.bNode||this.isDeterministic(e.bNode));if(e.isArrayNode){if(null!==e.values)for(const t of e.values)if(!this.isDeterministic(t))return!1;return!0}return!!e.isConstNode}getVaryingFromNode(e,t=null,r=e.getNodeType(this),s=null,i=null){const n=this.getDataFromNode(e,"any"),a=this.getSubBuildProperty("varying",n.subBuilds);let o=n[a];if(void 0===o){const e=this.varyings,u=e.length;null===t&&(t="nodeVarying"+u),"varying"!==a&&(t=this.getSubBuildProperty(t,n.subBuilds)),o=new rS(t,r,s,i),e.push(o),this.registerDeclaration(o),n[a]=o}return o}registerDeclaration(e){const t=this.shaderStage,r=this.declarations[t]||(this.declarations[t]={}),s=this.getPropertyName(e);let i=1,n=s;for(;void 0!==r[n];)n=s+"_"+i++;i>1&&(e.name=n,d(`TSL: Declaration name '${s}' of '${e.type}' already in use. Renamed to '${n}'.`)),r[n]=e}getCodeFromNode(e,t,r=this.shaderStage){const s=this.getDataFromNode(e);let i=s.code;if(void 0===i){const e=this.codes[r]||(this.codes[r]=[]),n=e.length;i=new sS("nodeCode"+n,t),e.push(i),s.code=i}return i}addFlowCodeHierarchy(e,t){const{flowCodes:r,flowCodeBlock:s}=this.getDataFromNode(e);let i=!0,n=t;for(;n;){if(!0===s.get(n)){i=!1;break}n=this.getDataFromNode(n).parentNodeBlock}if(i)for(const e of r)this.addLineFlowCode(e)}addLineFlowCodeBlock(e,t,r){const s=this.getDataFromNode(e),i=s.flowCodes||(s.flowCodes=[]),n=s.flowCodeBlock||(s.flowCodeBlock=new WeakMap);i.push(t),n.set(r,!0)}addLineFlowCode(e,t=null){return""===e||(null!==t&&this.context.nodeBlock&&this.addLineFlowCodeBlock(t,e,this.context.nodeBlock),e=this.tab+e,/;\s*$/.test(e)||(e+=";\n"),this.flow.code+=e),this}addFlowCode(e){return this.flow.code+=e,this}addFlowTab(){return this.tab+="\t",this}removeFlowTab(){return this.tab=this.tab.slice(0,-1),this}getFlowData(e){return this.flowsData.get(e)}flowNode(e){const t=e.getNodeType(this),r=this.flowChildNode(e,t);return this.flowsData.set(e,r),r}addInclude(e){null!==this.currentFunctionNode&&this.currentFunctionNode.includes.push(e)}buildFunctionNode(e){const t=this.renderer.backend;let r=ES.get(t);void 0===r&&(r=new WeakMap,ES.set(t,r));let s=r.get(e);if(void 0===s){s=new XT;const t=this.currentFunctionNode;this.currentFunctionNode=s,s.code=this.buildFunctionCode(e),this.currentFunctionNode=t,r.set(e,s)}return s}flowShaderNode(e){const t=e.layout,r={[Symbol.iterator](){let e=0;const t=Object.values(this);return{next:()=>({value:t[e],done:e++>=t.length})}}};for(const e of t.inputs)r[e.name]=new Ab(e.type,e.name);e.layout=null;const s=e.call(r),i=this.flowStagesNode(s,t.type);return e.layout=t,i}flowBuildStage(e,t,r=null){const s=this.getBuildStage();this.setBuildStage(t);const i=e.build(this,r);return this.setBuildStage(s),i}flowStagesNode(e,t=null){const r=this.flow,s=this.vars,i=this.declarations,n=this.cache,a=this.buildStage,o=this.stack,u={code:""};this.flow=u,this.vars={},this.declarations={},this.cache=new nS,this.stack=Mb();for(const r of ui)this.setBuildStage(r),u.result=e.build(this,t);return u.vars=this.getVars(this.shaderStage),this.flow=r,this.vars=s,this.declarations=i,this.cache=n,this.stack=o,this.setBuildStage(a),u}getFunctionOperator(){return null}buildFunctionCode(){d("Abstract function.")}flowChildNode(e,t=null){const r=this.flow,s={code:""};return this.flow=s,s.result=e.build(this,t),this.flow=r,s}flowNodeFromShaderStage(e,t,r=null,s=null){const i=this.tab,n=this.cache,a=this.shaderStage,o=this.context;this.setShaderStage(e);const u={...this.context};delete u.nodeBlock,this.cache=this.globalCache,this.tab="\t",this.context=u;let l=null;if("generate"===this.buildStage){const i=this.flowChildNode(t,r);null!==s&&(i.code+=`${this.tab+s} = ${i.result};\n`),this.flowCode[e]=this.flowCode[e]+i.code,l=i}else l=t.build(this);return this.setShaderStage(a),this.cache=n,this.tab=i,this.context=o,l}getAttributesArray(){return this.attributes.concat(this.bufferAttributes)}getAttributes(){d("Abstract function.")}getVaryings(){d("Abstract function.")}getVar(e,t,r=null){return`${null!==r?this.generateArrayDeclaration(e,r):this.getType(e)} ${t}`}getVars(e,t=!1){const r=[],s=this.vars[e];if(void 0!==s)for(const e of s)r.push(`${this.getVar(e.type,e.name,e.count)};`);return r.join(t?"\n":"\n\t")}getUniforms(){d("Abstract function.")}getCodes(e){const t=this.codes[e];let r="";if(void 0!==t)for(const e of t)r+=e.code+"\n";return r}getHash(){return this.vertexShader+this.fragmentShader+this.computeShader}setShaderStage(e){this.shaderStage=e}getShaderStage(){return this.shaderStage}setBuildStage(e){this.buildStage=e}getBuildStage(){return this.buildStage}buildCode(){d("Abstract function.")}get subBuild(){return this.subBuildLayers[this.subBuildLayers.length-1]||null}addSubBuild(e){this.subBuildLayers.push(e)}removeSubBuild(){return this.subBuildLayers.pop()}getClosestSubBuild(e){let t;if(t=e&&e.isNode?e.isShaderCallNodeInternal?e.shaderNode.subBuilds:e.isStackNode?[e.subBuild]:this.getDataFromNode(e,"any").subBuilds:e instanceof Set?[...e]:e,!t)return null;const r=this.subBuildLayers;for(let e=t.length-1;e>=0;e--){const s=t[e];if(r.includes(s))return s}return null}getSubBuildOutput(e){return this.getSubBuildProperty("outputNode",e)}getSubBuildProperty(e="",t=null){let r,s;return r=null!==t?this.getClosestSubBuild(t):this.subBuildFn,s=r?e?r+"_"+e:r:e,s}prebuild(){const{object:e,renderer:t,material:r}=this;if(!0===t.contextNode.isContextNode?this.context={...this.context,...t.contextNode.getFlowContextData()}:o('NodeBuilder: "renderer.contextNode" must be an instance of `context()`.'),r&&r.contextNode&&(!0===r.contextNode.isContextNode?this.context={...this.context,...r.contextNode.getFlowContextData()}:o('NodeBuilder: "material.contextNode" must be an instance of `context()`.')),null!==r){let e=t.library.fromMaterial(r);null===e&&(o(`NodeBuilder: Material "${r.type}" is not compatible.`),e=new Ig),e.build(this)}else this.addFlow("compute",e)}build(){this.prebuild();for(const e of ui){this.setBuildStage(e),this.context.position&&this.context.position.isNode&&this.flowNodeFromShaderStage("vertex",this.context.position);for(const t of li){this.setShaderStage(t);const r=this.flowNodes[t];for(const t of r)"generate"===e?this.flowNode(t):t.build(this)}}return this.setBuildStage(null),this.setShaderStage(null),this.buildCode(),this.buildUpdateNodes(),this}async buildAsync(){this.prebuild();for(const e of ui){this.setBuildStage(e),this.context.position&&this.context.position.isNode&&this.flowNodeFromShaderStage("vertex",this.context.position);for(const t of li){this.setShaderStage(t);const r=this.flowNodes[t];for(const t of r)"generate"===e?this.flowNode(t):t.build(this);await Tt()}}return this.setBuildStage(null),this.setShaderStage(null),this.buildCode(),this.buildUpdateNodes(),this}getSharedDataFromNode(e){let t=wS.get(e);return void 0===t&&(t={}),t}getNodeUniform(e,t){const r=this.getSharedDataFromNode(e);let s=r.cache;if(void 0===s){if("float"===t||"int"===t||"uint"===t)s=new fS(e);else if("vec2"===t||"ivec2"===t||"uvec2"===t)s=new yS(e);else if("vec3"===t||"ivec3"===t||"uvec3"===t)s=new bS(e);else if("vec4"===t||"ivec4"===t||"uvec4"===t)s=new xS(e);else if("color"===t)s=new TS(e);else if("mat2"===t)s=new _S(e);else if("mat3"===t)s=new vS(e);else{if("mat4"!==t)throw new Error(`THREE.NodeBuilder: Uniform "${t}" not implemented.`);s=new NS(e)}r.cache=s}return s}format(e,t,r){if((t=this.getVectorType(t))===(r=this.getVectorType(r))||null===r||this.isReference(r))return e;const s=this.getTypeLength(t),i=this.getTypeLength(r);return 16===s&&9===i?`${this.getType(r)}( ${e}[ 0 ].xyz, ${e}[ 1 ].xyz, ${e}[ 2 ].xyz )`:9===s&&4===i?`${this.getType(r)}( ${e}[ 0 ].xy, ${e}[ 1 ].xy )`:s>4||i>4||0===i?e:s===i?`${this.getType(r)}( ${e} )`:s>i?(e="bool"===r?`all( ${e} )`:`${e}.${"xyz".slice(0,i)}`,this.format(e,this.getTypeFromLength(i,this.getComponentType(t)),r)):4===i&&s>1?`${this.getType(r)}( ${this.format(e,t,"vec3")}, 1.0 )`:2===s?`${this.getType(r)}( ${this.format(e,t,"vec2")}, 0.0 )`:(1===s&&i>1&&t!==this.getComponentType(r)&&(e=`${this.getType(this.getComponentType(r))}( ${e} )`),`${this.getType(r)}( ${e} )`)}getSignature(){return`// Three.js r${_t} - Node System\n`}needsPreviousData(){const e=this.renderer.getMRT();return e&&e.has("velocity")||!0===Js(this.object).useVelocity}}class LS{constructor(){this.time=0,this.deltaTime=0,this.frameId=0,this.renderId=0,this.updateMap=new WeakMap,this.updateBeforeMap=new WeakMap,this.updateAfterMap=new WeakMap,this.renderer=null,this.material=null,this.camera=null,this.object=null,this.scene=null}_getMaps(e,t){let r=e.get(t);return void 0===r&&(r={renderId:0,frameId:0},e.set(t,r)),r}updateBeforeNode(e){const t=e.getUpdateBeforeType(),r=e.updateReference(this);if(t===ii.FRAME){const t=this._getMaps(this.updateBeforeMap,r);if(t.frameId!==this.frameId){const r=t.frameId;t.frameId=this.frameId,!1===e.updateBefore(this)&&(t.frameId=r)}}else if(t===ii.RENDER){const t=this._getMaps(this.updateBeforeMap,r);if(t.renderId!==this.renderId){const r=t.renderId;t.renderId=this.renderId,!1===e.updateBefore(this)&&(t.renderId=r)}}else t===ii.OBJECT&&e.updateBefore(this)}updateAfterNode(e){const t=e.getUpdateAfterType(),r=e.updateReference(this);if(t===ii.FRAME){const t=this._getMaps(this.updateAfterMap,r);t.frameId!==this.frameId&&!1!==e.updateAfter(this)&&(t.frameId=this.frameId)}else if(t===ii.RENDER){const t=this._getMaps(this.updateAfterMap,r);t.renderId!==this.renderId&&!1!==e.updateAfter(this)&&(t.renderId=this.renderId)}else t===ii.OBJECT&&e.updateAfter(this)}updateNode(e){const t=e.getUpdateType(),r=e.updateReference(this);if(t===ii.FRAME){const t=this._getMaps(this.updateMap,r);t.frameId!==this.frameId&&!1!==e.update(this)&&(t.frameId=this.frameId)}else if(t===ii.RENDER){const t=this._getMaps(this.updateMap,r);t.renderId!==this.renderId&&!1!==e.update(this)&&(t.renderId=this.renderId)}else t===ii.OBJECT&&e.update(this)}update(){this.frameId++,void 0===this.lastTime&&(this.lastTime=performance.now()),this.deltaTime=(performance.now()-this.lastTime)/1e3,this.lastTime=performance.now(),this.time+=this.deltaTime}}class FS{constructor(e,t,r=null,s="",i=!1){this.type=e,this.name=t,this.count=r,this.qualifier=s,this.isConst=i}}FS.isNodeFunctionInput=!0;class PS extends qv{static get type(){return"AmbientLightNode"}constructor(e=null){super(e)}setup({context:e}){e.irradiance.addAssign(this.colorNode)}}class US extends qv{static get type(){return"DirectionalLightNode"}constructor(e=null){super(e)}setupDirect(){const e=this.colorNode;return{lightDirection:Z_(this.light),lightColor:e}}}class DS extends qv{static get type(){return"HemisphereLightNode"}constructor(t=null){super(t),this.lightPositionNode=Y_(t),this.lightDirectionNode=this.lightPositionNode.normalize(),this.groundColorNode=Aa(new e).setGroup(Ra)}update(e){const{light:t}=this;super.update(e),this.lightPositionNode.object3d=t,this.groundColorNode.value.copy(t.groundColor).multiplyScalar(t.intensity)}setup(e){const{colorNode:t,groundColorNode:r,lightDirectionNode:s}=this,i=Lc.dot(s).mul(.5).add(.5),n=xu(r,t,i);e.context.irradiance.addAssign(n)}}class IS extends qv{static get type(){return"SpotLightNode"}constructor(e=null){super(e),this.coneCosNode=Aa(0).setGroup(Ra),this.penumbraCosNode=Aa(0).setGroup(Ra),this.cutoffDistanceNode=Aa(0).setGroup(Ra),this.decayExponentNode=Aa(0).setGroup(Ra),this.colorNode=Aa(this.color).setGroup(Ra)}update(e){super.update(e);const{light:t}=this;this.coneCosNode.value=Math.cos(t.angle),this.penumbraCosNode.value=Math.cos(t.angle*(1-t.penumbra)),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}getSpotAttenuation(e,t){const{coneCosNode:r,penumbraCosNode:s}=this;return Nu(r,s,t)}getLightCoord(e){const t=e.getNodeProperties(this);let r=t.projectionUV;return void 0===r&&(r=X_(this.light,e.context.positionWorld),t.projectionUV=r),r}setupDirect(e){const{colorNode:t,cutoffDistanceNode:r,decayExponentNode:s,light:i}=this,n=this.getLightVector(e),a=n.normalize(),o=a.dot(Z_(i)),u=this.getSpotAttenuation(e,o),l=n.length(),d=Xv({lightDistance:l,cutoffDistance:r,decayExponent:s});let c,h,p=t.mul(u).mul(d);if(i.colorNode?(h=this.getLightCoord(e),c=i.colorNode(h)):i.map&&(h=this.getLightCoord(e),c=rd(i.map,h.xy).onRenderUpdate(()=>i.map)),c){p=h.mul(2).sub(1).abs().lessThan(1).all().select(p.mul(c),p)}return{lightColor:p,lightDirection:a}}}class OS extends IS{static get type(){return"IESSpotLightNode"}constructor(e=null){super(e),this._iesTextureNode=null}getSpotAttenuation(e,t){const r=this.light.iesMap;let s=null;if(r&&!0===r.isTexture){const e=t.acos().mul(1/Math.PI);this._iesTextureNode=rd(r,Sn(e,0),0),s=this._iesTextureNode.r}else s=super.getSpotAttenuation(e,t);return s}update(e){super.update(e),null!==this._iesTextureNode&&this.light.iesMap&&(this._iesTextureNode.value=this.light.iesMap)}}class VS extends qv{static get type(){return"LightProbeNode"}constructor(e=null){super(e);const t=[];for(let e=0;e<9;e++)t.push(new r);this.lightProbe=ud(t)}update(e){const{light:t}=this;super.update(e);for(let e=0;e<9;e++)this.lightProbe.array[e].copy(t.sh.coefficients[e]).multiplyScalar(t.intensity)}setup(e){const t=jN(Lc,this.lightProbe);e.context.irradiance.addAssign(t)}}const kS=gn(([e,t])=>{const r=e.abs().sub(t);return Wo(su(r,0)).add(ru(su(r.x,r.y),0))});class GS extends IS{static get type(){return"ProjectorLightNode"}update(e){super.update(e);const t=this.light;if(this.penumbraCosNode.value=Math.min(Math.cos(t.angle*(1-t.penumbra)),.99999),null===t.aspect){let e=1;null!==t.map&&(e=t.map.width/t.map.height),t.shadow.aspect=e}else t.shadow.aspect=t.aspect}getSpotAttenuation(e){const t=Tn(0),r=this.penumbraCosNode,s=q_(this.light).mul(e.context.positionWorld||bc);return yn(s.w.greaterThan(0),()=>{const e=s.xyz.div(s.w),i=kS(e.xy.sub(Sn(.5)),Sn(.5)),n=ka(-1,Oa(1,Oo(r)).sub(1));t.assign(_u(i.mul(-2).mul(n)))}),t}}const $S=new a,zS=new a;let WS=null;class HS extends qv{static get type(){return"RectAreaLightNode"}constructor(e=null){super(e),this.halfHeight=Aa(new r).setGroup(Ra),this.halfWidth=Aa(new r).setGroup(Ra),this.updateType=ii.RENDER}update(e){super.update(e);const{light:t}=this,r=e.camera.matrixWorldInverse;zS.identity(),$S.copy(t.matrixWorld),$S.premultiply(r),zS.extractRotation($S),this.halfWidth.value.set(.5*t.width,0,0),this.halfHeight.value.set(0,.5*t.height,0),this.halfWidth.value.applyMatrix4(zS),this.halfHeight.value.applyMatrix4(zS)}setupDirectRectArea(e){let t,r;e.isAvailable("float32Filterable")?(t=rd(WS.LTC_FLOAT_1),r=rd(WS.LTC_FLOAT_2)):(t=rd(WS.LTC_HALF_1),r=rd(WS.LTC_HALF_2));const{colorNode:s,light:i}=this;return{lightColor:s,lightPosition:K_(i),halfWidth:this.halfWidth,halfHeight:this.halfHeight,ltc_1:t,ltc_2:r}}static setLTC(e){WS=e}}class jS{parseFunction(){d("Abstract function.")}}class qS{constructor(e,t,r="",s=""){this.type=e,this.inputs=t,this.name=r,this.precision=s}getCode(){d("Abstract function.")}}qS.isNodeFunction=!0;const XS=/^\s*(highp|mediump|lowp)?\s*([a-z_0-9]+)\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)/i,YS=/[a-z_0-9]+/gi,QS="#pragma main";class KS extends qS{constructor(e){const{type:t,inputs:r,name:s,precision:i,inputsCode:n,blockCode:a,headerCode:o}=(e=>{const t=(e=e.trim()).indexOf(QS),r=-1!==t?e.slice(t+12):e,s=r.match(XS);if(null!==s&&5===s.length){const i=s[4],n=[];let a=null;for(;null!==(a=YS.exec(i));)n.push(a);const o=[];let u=0;for(;u<n.length;){const e="const"===n[u][0];!0===e&&u++;let t=n[u][0];"in"===t||"out"===t||"inout"===t?u++:t="";const r=n[u++][0];let s=Number.parseInt(n[u][0]);!1===Number.isNaN(s)?u++:s=null;const i=n[u++][0];o.push(new FS(r,i,s,t,e))}const l=r.substring(s[0].length),d=void 0!==s[3]?s[3]:"";return{type:s[2],inputs:o,name:d,precision:void 0!==s[1]?s[1]:"",inputsCode:i,blockCode:l,headerCode:-1!==t?e.slice(0,t):""}}throw new Error("THREE.FunctionNode: Function is not a GLSL code.")})(e);super(t,r,s,i),this.inputsCode=n,this.blockCode=a,this.headerCode=o}getCode(e=this.name){let t;const r=this.blockCode;if(""!==r){const{type:s,inputsCode:i,headerCode:n,precision:a}=this;let o=`${s} ${e} ( ${i.trim()} )`;""!==a&&(o=`${a} ${o}`),t=n+o+r}else t="";return t}}class ZS extends jS{parseFunction(e){return new KS(e)}}const JS=[],eR=[],tR=Aa(0,"int").setGroup(Ra);class rR extends Yy{constructor(e,t){super(),this.renderer=e,this.backend=t,this.nodeFrame=new LS,this.nodeBuilderCache=new Map,this.callHashCache=new Wy,this.groupsData=new Wy,this._buildQueue=[],this._buildInProgress=!1,this.cacheLib={}}updateGroup(e){const t=e.groupNode;JS[0]=t,JS[1]=e;let r=this.groupsData.get(JS);return void 0===r&&this.groupsData.set(JS,r={}),JS[0]=null,JS[1]=null,r.version!==t.version&&(r.version=t.version,!0)}getForRenderCacheKey(e){return e.initialCacheKey}_createNodeBuilder(e,t){const r=this.backend.createNodeBuilder(e.object,this.renderer);return r.scene=e.scene,r.material=t,r.camera=e.camera,r.context.material=t,r.lightsNode=e.lightsNode,r.environmentNode=this.getEnvironmentNode(e.scene),r.fogNode=this.getFogNode(e.scene),r.clippingContext=e.clippingContext,this.renderer.getOutputRenderTarget()&&this.renderer.getOutputRenderTarget().multiview&&r.enableMultiview(),r}getForRender(e,t=!1){const r=this.get(e);let s=r.nodeBuilderState;if(void 0===s){const{nodeBuilderCache:i}=this,n=this.getForRenderCacheKey(e);if(s=i.get(n),void 0===s){if(t)return(async()=>{let r=this._createNodeBuilder(e,e.material);try{t?await r.buildAsync():r.build()}catch(s){r=this._createNodeBuilder(e,new Ig),t?await r.buildAsync():r.build(),o("TSL: "+s)}return r})().then(e=>(s=this._createNodeBuilderState(e),i.set(n,s),s.usedTimes++,r.nodeBuilderState=s,s));{let t=this._createNodeBuilder(e,e.material);try{t.build()}catch(r){t=this._createNodeBuilder(e,new Ig),t.build();let s=r.stackTrace;!s&&r.stack&&(s=new Vs(r.stack)),o("TSL: "+r,s)}s=this._createNodeBuilderState(t),i.set(n,s)}}s.usedTimes++,r.nodeBuilderState=s}return s}getForRenderAsync(e){const t=this.getForRender(e,!0);return t.then?t:Promise.resolve(t)}getForRenderDeferred(e){const t=this.get(e);if(void 0!==t.nodeBuilderState)return t.nodeBuilderState;const r=this.getForRenderCacheKey(e),s=this.nodeBuilderCache.get(r);return void 0!==s?(s.usedTimes++,t.nodeBuilderState=s,s):(!0!==t.pendingBuild&&(t.pendingBuild=!0,this._buildQueue.push(()=>this.getForRenderAsync(e).then(()=>{t.pendingBuild=!1})),this._processBuildQueue()),null)}_processBuildQueue(){if(this._buildInProgress||0===this._buildQueue.length)return;this._buildInProgress=!0;this._buildQueue.shift()().then(()=>{this._buildInProgress=!1,this._processBuildQueue()})}delete(e){if(e.isRenderObject){const t=this.get(e).nodeBuilderState;void 0!==t&&(t.usedTimes--,0===t.usedTimes&&this.nodeBuilderCache.delete(this.getForRenderCacheKey(e)))}return super.delete(e)}getForCompute(e){const t=this.get(e);let r=t.nodeBuilderState;if(void 0===r||t.version!==e.version){const s=this.backend.createNodeBuilder(e,this.renderer);s.build(),r=this._createNodeBuilderState(s),t.nodeBuilderState=r,t.version=e.version}return r}_createNodeBuilderState(e){return new ZN(e.vertexShader,e.fragmentShader,e.computeShader,e.getAttributesArray(),e.getBindings(),e.updateNodes,e.updateBeforeNodes,e.updateAfterNodes,e.observer,e.hardwareClipping,e.transforms)}getEnvironmentNode(e){if(!1===this.renderer.lighting.enabled)return null;this.updateEnvironment(e);let t=null;if(e.environmentNode&&e.environmentNode.isNode)t=e.environmentNode;else{const r=this.get(e);r.environmentNode&&(t=r.environmentNode)}return t}getBackgroundNode(e){this.updateBackground(e);let t=null;if(e.backgroundNode&&e.backgroundNode.isNode)t=e.backgroundNode;else{const r=this.get(e);r.backgroundNode&&(t=r.backgroundNode)}return t}getFogNode(e){return this.updateFog(e),e.fogNode||this.get(e).fogNode||null}getCacheKey(e,t){JS[0]=e,JS[1]=t;const r=this.renderer.info.calls,s=this.callHashCache.get(JS)||{};if(s.callId!==r){if(eR.push(this.renderer.getOutputRenderTarget()&&this.renderer.getOutputRenderTarget().multiview?1:0),eR.push(this.renderer.lighting.enabled?1:0),this.renderer.lighting.enabled){eR.push(t.getCacheKey(!0)),eR.push(this.renderer.shadowMap.enabled?1:0),eR.push(this.renderer.shadowMap.type);const r=this.getEnvironmentNode(e);r&&eR.push(r.getCacheKey())}const i=this.getFogNode(e);i&&eR.push(i.getCacheKey()),s.callId=r,s.cacheKey=$s(eR),this.callHashCache.set(JS,s),eR.length=0}return JS[0]=null,JS[1]=null,s.cacheKey}get isToneMappingState(){return!this.renderer.getRenderTarget()}updateBackground(e){const t=this.get(e),r=e.background;if(r){const s=0===e.backgroundBlurriness&&t.backgroundBlurriness>0||e.backgroundBlurriness>0&&0===t.backgroundBlurriness;if(t.background!==r||s){const i=this.getCacheNode("background",r,()=>{if(!0===r.isCubeTexture||r.mapping===ce||r.mapping===he||r.mapping===we){if(e.backgroundBlurriness>0||r.mapping===we)return ly(r);{let e;return e=!0===r.isCubeTexture?Qc(r):rd(r),om(e)}}if(!0===r.isTexture)return rd(r,md.flipY()).setUpdateMatrix(!0);!0!==r.isColor&&o("WebGPUNodes: Unsupported background configuration.",r)},s);t.backgroundNode=i,t.background=r,t.backgroundBlurriness=e.backgroundBlurriness}}else t.backgroundNode&&(delete t.backgroundNode,delete t.background)}getCacheNode(e,t,r,s=!1){const i=this.cacheLib[e]||(this.cacheLib[e]=new WeakMap);let n=i.get(t);return(void 0===n||s)&&(n=r(),i.set(t,n)),n}updateFog(e){const t=this.get(e),r=e.fog;if(r){if(t.fog!==r){const e=this.getCacheNode("fog",r,()=>{if(r.isFogExp2){const e=Jc("color","color",r).setGroup(Ra),t=Jc("density","float",r).setGroup(Ra);return e_(e,ZT(t))}if(r.isFog){const e=Jc("color","color",r).setGroup(Ra),t=Jc("near","float",r).setGroup(Ra),s=Jc("far","float",r).setGroup(Ra);return e_(e,KT(t,s))}o("Renderer: Unsupported fog configuration.",r)});t.fogNode=e,t.fog=r}}else delete t.fogNode,delete t.fog}updateEnvironment(e){const t=this.get(e),r=e.environment;if(r){if(t.environment!==r){const e=this.getCacheNode("environment",r,()=>!0===r.isCubeTexture?Qc(r):!0===r.isTexture?rd(r):void o("Nodes: Unsupported environment configuration.",r));t.environmentNode=e,t.environment=r}}else t.environmentNode&&(delete t.environmentNode,delete t.environment)}getNodeFrame(e=this.renderer,t=null,r=null,s=null,i=null){const n=this.nodeFrame;return n.renderer=e,n.scene=t,n.object=r,n.camera=s,n.material=i,n}getNodeFrameForRender(e){return this.getNodeFrame(e.renderer,e.scene,e.object,e.camera,e.material)}getOutputCacheKey(){const e=this.renderer;return e.toneMapping+","+e.currentColorSpace+","+e.xr.isPresenting}getOutputNode(e){const t=this.renderer;let r;return r=e.isArrayTexture?this.backend.isWebGLBackend?rd(e,md).depth(dd("gl_ViewID_OVR")).renderOutput(t.toneMapping,t.currentColorSpace):rd(e,md).depth(tR).renderOutput(t.toneMapping,t.currentColorSpace):rd(e,md).renderOutput(t.toneMapping,t.currentColorSpace),r}setOutputLayerIndex(e){tR.value=e}updateBefore(e){const t=e.getNodeBuilderState();for(const r of t.updateBeforeNodes)this.getNodeFrameForRender(e).updateBeforeNode(r)}updateAfter(e){const t=e.getNodeBuilderState();for(const r of t.updateAfterNodes)this.getNodeFrameForRender(e).updateAfterNode(r)}updateForCompute(e){const t=this.getNodeFrame(),r=this.getForCompute(e);for(const e of r.updateNodes)t.updateNode(e)}updateForRender(e){const t=this.getNodeFrameForRender(e),r=e.getNodeBuilderState();for(const e of r.updateNodes)t.updateNode(e)}needsRefresh(e){const t=this.getNodeFrameForRender(e);return e.getMonitor().needsRefresh(e,t)}dispose(){super.dispose(),this.nodeFrame=new LS,this.nodeBuilderCache=new Map,this.cacheLib={}}}const sR=new ut;class iR{constructor(e=null){this.version=0,this.clipIntersection=null,this.cacheKey="",this.shadowPass=!1,this.viewMatrix=new a,this.viewNormalMatrix=new n,this.clippingGroupContexts=new WeakMap,this.intersectionPlanes=[],this.unionPlanes=[],this.parentVersion=null,null!==e&&(this.viewMatrix=e.viewMatrix,this.viewNormalMatrix=e.viewNormalMatrix,this.clippingGroupContexts=e.clippingGroupContexts,this.shadowPass=e.shadowPass)}projectPlanes(e,t,r){const s=e.length;for(let i=0;i<s;i++){sR.copy(e[i]).applyMatrix4(this.viewMatrix,this.viewNormalMatrix);const s=t[r+i],n=sR.normal;s.x=-n.x,s.y=-n.y,s.z=-n.z,s.w=sR.constant}}updateGlobal(e,t){this.shadowPass=null!==e.overrideMaterial&&e.overrideMaterial.isShadowPassMaterial,this.viewMatrix.copy(t.matrixWorldInverse),this.viewNormalMatrix.getNormalMatrix(this.viewMatrix)}update(e,t){let r=!1;e.version!==this.parentVersion&&(this.intersectionPlanes=Array.from(e.intersectionPlanes),this.unionPlanes=Array.from(e.unionPlanes),this.parentVersion=e.version),this.clipIntersection!==t.clipIntersection&&(this.clipIntersection=t.clipIntersection,this.clipIntersection?this.unionPlanes.length=e.unionPlanes.length:this.intersectionPlanes.length=e.intersectionPlanes.length);const i=t.clippingPlanes,n=i.length;let a,o;if(this.clipIntersection?(a=this.intersectionPlanes,o=e.intersectionPlanes.length):(a=this.unionPlanes,o=e.unionPlanes.length),a.length!==o+n){a.length=o+n;for(let e=0;e<n;e++)a[o+e]=new s;r=!0}this.projectPlanes(i,a,o),r&&(this.version++,this.cacheKey=`${this.intersectionPlanes.length}:${this.unionPlanes.length}`)}getGroupContext(e){if(this.shadowPass&&!e.clipShadows)return this;let t=this.clippingGroupContexts.get(e);return void 0===t&&(t=new iR(this),this.clippingGroupContexts.set(e,t)),t.update(this,e),t}get unionClippingCount(){return this.unionPlanes.length}}class nR{constructor(e,t,r){this.bundleGroup=e,this.camera=t,this.renderContext=r}}const aR=[];class oR{constructor(){this.bundles=new Wy}get(e,t,r){const s=this.bundles;aR[0]=e,aR[1]=t,aR[2]=r;let i=s.get(aR);return void 0===i&&(i=new nR(e,t,r),s.set(aR,i)),aR[0]=null,aR[1]=null,aR[2]=null,i}dispose(){this.bundles=new Wy}}class uR{constructor(){this.lightNodes=new WeakMap,this.materialNodes=new Map,this.toneMappingNodes=new Map}fromMaterial(e){if(e.isNodeMaterial)return e;let t=null;const r=this.getMaterialNodeClass(e.type);if(null!==r){t=new r;for(const r in e)t[r]=e[r]}return t}addToneMapping(e,t){this.addType(e,t,this.toneMappingNodes)}getToneMappingFunction(e){return this.toneMappingNodes.get(e)||null}getMaterialNodeClass(e){return this.materialNodes.get(e)||null}addMaterial(e,t){this.addType(e,t,this.materialNodes)}getLightNodeClass(e){return this.lightNodes.get(e)||null}addLight(e,t){this.addClass(e,t,this.lightNodes)}addType(e,t,r){if(r.has(t))d(`Redefinition of node ${t}`);else{if("function"!=typeof e)throw new Error(`THREE.NodeLibrary: Node class ${e.name} is not a class.`);if("function"==typeof t||"object"==typeof t)throw new Error(`THREE.NodeLibrary: Base class ${t} is not a class.`);r.set(t,e)}}addClass(e,t,r){if(r.has(t))d(`Redefinition of node ${t.name}`);else{if("function"!=typeof e)throw new Error(`THREE.NodeLibrary: Node class ${e.name} is not a class.`);if("function"!=typeof t)throw new Error(`THREE.NodeLibrary: Base class ${t.name} is not a class.`);r.set(t,e)}}}const lR=new nv,dR=new WeakMap;class cR{constructor(){this.enabled=!0,this._cache=[]}createNode(e=[]){return(new nv).setLights(e)}getNode(e){if(!0!==e.isScene&&!0!==e.isGroup)return lR;let t=dR.get(e);return void 0===t&&(t=this.createNode(),dR.set(e,t)),t}beginRender(e){this._cache.push(this.getNode(e).getLights())}finishRender(e){this.getNode(e).setLights(this._cache.pop())}}class hR extends ne{constructor(e=1,t=1,r={}){super(e,t,r),this.isXRRenderTarget=!0,this._hasExternalTextures=!1,this._autoAllocateDepthBuffer=!0,this._isOpaqueFramebuffer=!1}copy(e){return super.copy(e),this._hasExternalTextures=e._hasExternalTextures,this._autoAllocateDepthBuffer=e._autoAllocateDepthBuffer,this._isOpaqueFramebuffer=e._isOpaqueFramebuffer,this}}const pR=new r,gR=new r,mR=new WeakMap;class fR extends u{constructor(e,r=!1){super(),this.enabled=!1,this.isPresenting=!1,this.cameraAutoUpdate=!0,this._renderer=e,this._cameraL=new Se,this._cameraL.viewport=new s,this._cameraL.matrixWorldAutoUpdate=!1,this._cameraR=new Se,this._cameraR.viewport=new s,this._cameraR.matrixWorldAutoUpdate=!1,this._cameras=[this._cameraL,this._cameraR],this._cameraXR=new vt,this._currentDepthNear=null,this._currentDepthFar=null,this._controllers=[],this._controllerInputSources=[],this._xrRenderTarget=null,this._layers=[],this._sessionUsesLayers=!1,this._supportsGlBinding="undefined"!=typeof XRWebGLBinding,this._supportsWebGPUBinding=void 0!==globalThis.XRGPUBinding,this._createXRLayer=_R.bind(this),this._gl=null,this._currentAnimationContext=null,this._currentAnimationLoop=null,this._currentPixelRatio=null,this._currentSamples=null,this._currentSize=new t,this._onSessionEvent=bR.bind(this),this._onSessionEnd=xR.bind(this),this._onInputSourcesChange=TR.bind(this),this._onAnimationFrame=vR.bind(this),this._referenceSpace=null,this._referenceSpaceType="local-floor",this._customReferenceSpace=null,this._framebufferScaleFactor=1,this._foveation=1,this._session=null,this._glBaseLayer=null,this._glBinding=null,this._webgpuBinding=null,this._glProjLayer=null,this._xrFrame=null,this._supportsLayers=this._supportsGlBinding&&"createProjectionLayer"in XRWebGLBinding.prototype,this._useMultiviewIfPossible=r,this._useMultiview=!1}getController(e){return this._getController(e).getTargetRaySpace()}getControllerGrip(e){return this._getController(e).getGripSpace()}getHand(e){return this._getController(e).getHandSpace()}getFoveation(){return this._foveation}setFoveation(e){this._foveation=e,null!==this._glProjLayer&&(this._glProjLayer.fixedFoveation=e),null!==this._glBaseLayer&&void 0!==this._glBaseLayer.fixedFoveation&&(this._glBaseLayer.fixedFoveation=e)}getFramebufferScaleFactor(){return this._framebufferScaleFactor}setFramebufferScaleFactor(e){this._framebufferScaleFactor=e,!0===this.isPresenting&&d("XRManager: Cannot change framebuffer scale while presenting.")}getReferenceSpaceType(){return this._referenceSpaceType}setReferenceSpaceType(e){this._referenceSpaceType=e,!0===this.isPresenting&&d("XRManager: Cannot change reference space type while presenting.")}getReferenceSpace(){return this._customReferenceSpace||this._referenceSpace}setReferenceSpace(e){this._customReferenceSpace=e}getCamera(){return this._cameraXR}getEnvironmentBlendMode(){if(null!==this._session)return this._session.environmentBlendMode}getBaseLayer(){return null!==this._glProjLayer?this._glProjLayer:this._glBaseLayer}getBinding(){return null===this._glBinding&&this._supportsGlBinding&&(this._glBinding=new XRWebGLBinding(this._session,this._gl)),this._glBinding}foveateBoundTexture(e){if(!0!==e.isPostProcessingRenderTarget)return;if(!0!==this.isPresenting)return;if(null===this._glProjLayer)return;const t=this._renderer.backend;if(void 0===t||!0!==t.isWebGLBackend)return;if(null===t.state)return;const r=this._renderer.getOutputRenderTarget();if(null===r||!0!==r.isXRRenderTarget)return;const s=this.getBinding();if(null===s||"function"!=typeof s.foveateBoundTexture)return;this._renderer._textures.updateRenderTarget(e);const{textureGPU:i,glTextureType:n}=t.get(e.texture);if(void 0!==i&&void 0!==n&&e._xrFoveationTextureGPU!==i){e._xrFoveationTextureGPU=i,t.state.bindTexture(n,i);try{s.foveateBoundTexture(n,this.getFoveation())}catch(e){v(`XRManager: Unable to foveate bound XR post-processing texture. ${e.name}: ${e.message}`)}finally{t.state.unbindTexture()}}}getWebGPUBinding(){return null===this._webgpuBinding&&this._supportsWebGPUBinding&&(this._webgpuBinding=new globalThis.XRGPUBinding(this._session,this._renderer.backend.device)),this._webgpuBinding}_isWebGPUSession(){return!0===this._renderer.backend.isWebGPUBackend&&null!==this._session&&this._session.enabledFeatures.includes("webgpu")}_validateWebGPUSession(){const e=this._renderer;if(!0===e.backend.isWebGPUBackend){if(!1===this._session.enabledFeatures.includes("webgpu"))throw new Error('THREE.XRManager: WebGPU XR sessions require the "webgpu" session feature. Use VRButtonGPU/XRButton with "webgpu" enabled or use a WebGL backend.');e.samples>0&&(v("THREE.XRManager: WebGPU XR does not support MSAA yet. Disabling MSAA for this XR session."),null===this._currentSamples&&(this._currentSamples=e.samples),e._samples=0)}}async _initWebGPUSession(e){const t=this.getWebGPUBinding(),r=t.createProjectionLayer({colorFormat:t.getPreferredColorFormat(),depthStencilFormat:"depth24plus"});this._glProjLayer=r,e.updateRenderState({layers:[r]}),this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType()),this._xrRenderTarget=new ne(r.textureWidth,r.textureHeight,{depth:2,minFilter:le,magFilter:le,depthBuffer:!0,multiview:!1,useArrayDepthTexture:!0,samples:0}),this._xrRenderTarget.texture.isArrayTexture=!0,!0===this._useMultiviewIfPossible&&v("THREE.XRManager: WebGPU XR does not support multiview yet. Disabling multiview for this XR session."),this._useMultiview=!1}_disposeWebGPUSession(){const e=this._renderer,t=this._xrRenderTarget;if(null===t||!0!==e.backend.isWebGPUBackend)return;const r=e.backend,s=e._textures,i=r.get?r.get(t):null;i&&(i.descriptors=void 0);const n=e=>{null!=e&&(r.delete&&r.delete(e),s.delete&&s.delete(e))};for(let e=0;e<t.textures.length;e++)n(t.textures[e]);n(t.depthTexture),n(t),e._renderContexts&&e._renderContexts.dispose&&e._renderContexts.dispose(),t.dispose()}_getWebGPUViewData(e){const t=this.getWebGPUBinding(),r={colorTexture:null,viewDescriptors:[],viewports:[]};for(let s=0;s<e.length;s++){const i=t.getViewSubImage(this._glProjLayer,e[s]);null===r.colorTexture&&(r.colorTexture=i.colorTexture),r.viewports.push(i.viewport),i.getViewDescriptor&&r.viewDescriptors.push(i.getViewDescriptor())}return r}getFrame(){return this._xrFrame}useMultiview(){return this._useMultiview}createQuadLayer(e,t,r,s,i,n,a,o={}){const u=new Nt(e,t),l=new hR(i,n,{format:Ee,type:Ve,depthTexture:new Z(i,n,o.stencil?Ze:S,void 0,void 0,void 0,void 0,void 0,void 0,o.stencil?je:He),stencilBuffer:o.stencil,resolveDepthBuffer:!1,resolveStencilBuffer:!1});l._autoAllocateDepthBuffer=!0;const d=new fe({color:16777215,side:St});d.map=l.texture,d.map.offset.y=1,d.map.repeat.y=-1;const c=new oe(u,d);c.position.copy(r),c.quaternion.copy(s);const h={type:"quad",width:e,height:t,translation:r,quaternion:s,pixelwidth:i,pixelheight:n,plane:c,material:d,rendercall:a,renderTarget:l};if(this._layers.push(h),null!==this._session){h.plane.material=new fe({color:16777215,side:St}),h.plane.material.blending=Rt,h.plane.material.blendEquation=it,h.plane.material.blendSrc=Et,h.plane.material.blendDst=Et,h.xrlayer=this._createXRLayer(h);const e=this._session.renderState.layers;e.unshift(h.xrlayer),this._session.updateRenderState({layers:e})}else l.isXRRenderTarget=!1;return c}createCylinderLayer(e,t,r,s,i,n,a,o,u={}){const l=new wt(e,e,e*t/r,64,64,!0,Math.PI-t/2,t),d=new hR(n,a,{format:Ee,type:Ve,depthTexture:new Z(n,a,u.stencil?Ze:S,void 0,void 0,void 0,void 0,void 0,void 0,u.stencil?je:He),stencilBuffer:u.stencil,resolveDepthBuffer:!1,resolveStencilBuffer:!1});d._autoAllocateDepthBuffer=!0;const c=new fe({color:16777215,side:F});c.map=d.texture,c.map.offset.y=1,c.map.repeat.y=-1;const h=new oe(l,c);h.position.copy(s),h.quaternion.copy(i);const p={type:"cylinder",radius:e,centralAngle:t,aspectratio:r,translation:s,quaternion:i,pixelwidth:n,pixelheight:a,plane:h,material:c,rendercall:o,renderTarget:d};if(this._layers.push(p),null!==this._session){p.plane.material=new fe({color:16777215,side:F}),p.plane.material.blending=Rt,p.plane.material.blendEquation=it,p.plane.material.blendSrc=Et,p.plane.material.blendDst=Et,p.xrlayer=this._createXRLayer(p);const e=this._session.renderState.layers;e.unshift(p.xrlayer),this._session.updateRenderState({layers:e})}else d.isXRRenderTarget=!1;return h}renderLayers(){const e=new r,s=new At,i=this._renderer,n=this.isPresenting;this.isPresenting=!1;const a=new t;i.getSize(a);const o=i.getRenderTarget();for(const t of this._layers){t.renderTarget.isXRRenderTarget=null!==this._session,t.renderTarget._hasExternalTextures=t.renderTarget.isXRRenderTarget;const r=i.contextNode;let n;if(t.renderTarget.isXRRenderTarget&&this._sessionUsesLayers){t.xrlayer.transform=new XRRigidTransform(t.plane.getWorldPosition(e),t.plane.getWorldQuaternion(s));const a=this._glBinding.getSubImage(t.xrlayer,this._xrFrame);i.backend.setXRRenderTargetTextures(t.renderTarget,a.colorTexture,void 0),i._setXRLayerSize(t.renderTarget.width,t.renderTarget.height),n=mR.get(r),void 0===n&&(n=r.context({getOutput:e=>Vl(e,i.toneMapping,i.outputColorSpace)}),mR.set(r,n))}else n=r;i.contextNode=n,i.setRenderTarget(t.renderTarget),t.rendercall(),i.contextNode=r}i.setRenderTarget(o),i._setXRLayerSize(a.x,a.y),this.isPresenting=n}getSession(){return this._session}async setSession(e){const t=this._renderer;!1===t.initialized&&await t.init(),this._gl=t.getContext();const r=this._gl;if(this._session=e,null!==e){if(e.addEventListener("select",this._onSessionEvent),e.addEventListener("selectstart",this._onSessionEvent),e.addEventListener("selectend",this._onSessionEvent),e.addEventListener("squeeze",this._onSessionEvent),e.addEventListener("squeezestart",this._onSessionEvent),e.addEventListener("squeezeend",this._onSessionEvent),e.addEventListener("end",this._onSessionEnd),e.addEventListener("inputsourceschange",this._onInputSourcesChange),this._validateWebGPUSession(),this._currentPixelRatio=t.getPixelRatio(),t.getSize(this._currentSize),this._currentAnimationContext=t._animation.getContext(),this._currentAnimationLoop=t._animation.getAnimationLoop(),t._animation.stop(),this._isWebGPUSession())await this._initWebGPUSession(e);else if(!0===this._supportsLayers){let s=null,i=null,n=null;const a=r.getContextAttributes();await t.backend.makeXRCompatible(),this.setFoveation(this.getFoveation()),t.depth&&(n=t.stencil?r.DEPTH24_STENCIL8:r.DEPTH_COMPONENT24,s=t.stencil?je:He,i=t.stencil?Ze:S);const o={colorFormat:r.RGBA8,depthFormat:n,scaleFactor:this._framebufferScaleFactor,clearOnAccess:!1};this._useMultiviewIfPossible&&t.hasFeature("OVR_multiview2")&&(o.textureType="texture-array",this._useMultiview=!0),this._glBinding=this.getBinding();const u=this._glBinding.createProjectionLayer(o),l=[u];this._glProjLayer=u,t.setPixelRatio(1),t._setXRLayerSize(u.textureWidth,u.textureHeight);const d=this._useMultiview?2:1,c=new Z(u.textureWidth,u.textureHeight,i,void 0,void 0,void 0,void 0,void 0,void 0,s,d);if(this._xrRenderTarget=new hR(u.textureWidth,u.textureHeight,{format:Ee,type:Ve,colorSpace:t.outputColorSpace,depthTexture:c,stencilBuffer:t.stencil,samples:a.antialias?4:0,resolveDepthBuffer:!1===u.ignoreDepthValues,resolveStencilBuffer:!1===u.ignoreDepthValues,depth:this._useMultiview?2:1,multiview:this._useMultiview}),this._xrRenderTarget._hasExternalTextures=!0,this._xrRenderTarget.depth=this._useMultiview?2:1,this._sessionUsesLayers=e.enabledFeatures.includes("layers"),this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType()),this._sessionUsesLayers)for(const e of this._layers)e.plane.material=new fe({color:16777215,side:"cylinder"===e.type?F:St}),e.plane.material.blending=Rt,e.plane.material.blendEquation=it,e.plane.material.blendSrc=Et,e.plane.material.blendDst=Et,e.xrlayer=this._createXRLayer(e),l.unshift(e.xrlayer);e.updateRenderState({layers:l})}else{await t.backend.makeXRCompatible(),this.setFoveation(this.getFoveation());const s={antialias:t.currentSamples>0,alpha:!0,depth:t.depth,stencil:t.stencil,framebufferScaleFactor:this.getFramebufferScaleFactor()},i=new XRWebGLLayer(e,r,s);this._glBaseLayer=i,e.updateRenderState({baseLayer:i}),t.setPixelRatio(1),t._setXRLayerSize(i.framebufferWidth,i.framebufferHeight),this._xrRenderTarget=new hR(i.framebufferWidth,i.framebufferHeight,{format:Ee,type:Ve,colorSpace:t.outputColorSpace,stencilBuffer:t.stencil,resolveDepthBuffer:!1===i.ignoreDepthValues,resolveStencilBuffer:!1===i.ignoreDepthValues}),this._xrRenderTarget._isOpaqueFramebuffer=!0,this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType())}t._animation.setAnimationLoop(this._onAnimationFrame),t._animation.setContext(e),t._animation.start(),this.isPresenting=!0,this.dispatchEvent({type:"sessionstart"})}}updateCamera(e){const t=this._session;if(null===t)return;const r=e.near,s=e.far,i=this._cameraXR,n=this._cameraL,a=this._cameraR;i.near=a.near=n.near=r,i.far=a.far=n.far=s,i.isMultiViewCamera=this._useMultiview,this._currentDepthNear===i.near&&this._currentDepthFar===i.far||(t.updateRenderState({depthNear:i.near,depthFar:i.far}),this._currentDepthNear=i.near,this._currentDepthFar=i.far),i.layers.mask=6|e.layers.mask,n.layers.mask=-5&i.layers.mask,a.layers.mask=-3&i.layers.mask;const o=e.parent,u=i.cameras;yR(i,o);for(let e=0;e<u.length;e++)yR(u[e],o);2===u.length?function(e,t,r){pR.setFromMatrixPosition(t.matrixWorld),gR.setFromMatrixPosition(r.matrixWorld);const s=pR.distanceTo(gR),i=t.projectionMatrix.elements,n=r.projectionMatrix.elements,a=i[14]/(i[10]-1),o=i[14]/(i[10]+1),u=(i[9]+1)/i[5],l=(i[9]-1)/i[5],d=(i[8]-1)/i[0],c=(n[8]+1)/n[0],h=a*d,p=a*c,g=s/(-d+c),m=g*-d;if(t.matrixWorld.decompose(e.position,e.quaternion,e.scale),e.translateX(m),e.translateZ(g),e.matrixWorld.compose(e.position,e.quaternion,e.scale),e.matrixWorldInverse.copy(e.matrixWorld).invert(),-1===i[10])e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse);else{const t=a+g,r=o+g,i=h-m,n=p+(s-m),d=u*o/r*t,c=l*o/r*t;e.projectionMatrix.makePerspective(i,n,d,c,t,r),e.projectionMatrixInverse.copy(e.projectionMatrix).invert()}}(i,n,a):i.projectionMatrix.copy(n.projectionMatrix),function(e,t,r){null===r?e.matrix.copy(t.matrixWorld):(e.matrix.copy(r.matrixWorld),e.matrix.invert(),e.matrix.multiply(t.matrixWorld));e.matrix.decompose(e.position,e.quaternion,e.scale),e.updateMatrixWorld(!0),e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse),e.isPerspectiveCamera&&(e.fov=2*Mt*Math.atan(1/e.projectionMatrix.elements[5]),e.zoom=1)}(e,i,o)}_getController(e){let t=this._controllers[e];return void 0===t&&(t=new Ct,this._controllers[e]=t),t}}function yR(e,t){null===t?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}function bR(e){const t=this._controllerInputSources.indexOf(e.inputSource);if(-1===t)return;const r=this._controllers[t];if(void 0!==r){const t=this.getReferenceSpace();r.update(e.inputSource,e.frame,t),r.dispatchEvent({type:e.type,data:e.inputSource})}}function xR(){const e=this._session,t=this._renderer;e.removeEventListener("select",this._onSessionEvent),e.removeEventListener("selectstart",this._onSessionEvent),e.removeEventListener("selectend",this._onSessionEvent),e.removeEventListener("squeeze",this._onSessionEvent),e.removeEventListener("squeezestart",this._onSessionEvent),e.removeEventListener("squeezeend",this._onSessionEvent),e.removeEventListener("end",this._onSessionEnd),e.removeEventListener("inputsourceschange",this._onInputSourcesChange);for(let e=0;e<this._controllers.length;e++){const t=this._controllerInputSources[e];null!==t&&(this._controllerInputSources[e]=null,this._controllers[e].disconnect(t))}if(this._currentDepthNear=null,this._currentDepthFar=null,null!==this._currentSamples&&(t._samples=this._currentSamples,this._currentSamples=null),t._resetXRState(),this._disposeWebGPUSession(),this._session=null,this._xrRenderTarget=null,this._glBinding=null,this._webgpuBinding=null,this._glBaseLayer=null,this._glProjLayer=null,!0===this._sessionUsesLayers)for(const e of this._layers)e.renderTarget=new hR(e.pixelwidth,e.pixelheight,{format:Ee,type:Ve,depthTexture:new Z(e.pixelwidth,e.pixelheight,e.stencilBuffer?Ze:S,void 0,void 0,void 0,void 0,void 0,void 0,e.stencilBuffer?je:He),stencilBuffer:e.stencilBuffer,resolveDepthBuffer:!1,resolveStencilBuffer:!1}),e.renderTarget.isXRRenderTarget=!1,e.plane.material=e.material,e.material.map=e.renderTarget.texture,e.material.map.offset.y=1,e.material.map.repeat.y=-1,delete e.xrlayer;this.isPresenting=!1,this._useMultiview=!1,t._animation.stop(),t._animation.setAnimationLoop(this._currentAnimationLoop),t._animation.setContext(this._currentAnimationContext),t._animation.start(),t.setPixelRatio(this._currentPixelRatio),t.setSize(this._currentSize.width,this._currentSize.height,!1),this.dispatchEvent({type:"sessionend"})}function TR(e){const t=this._controllers,r=this._controllerInputSources;for(let s=0;s<e.removed.length;s++){const i=e.removed[s],n=r.indexOf(i);n>=0&&(r[n]=null,t[n].disconnect(i))}for(let s=0;s<e.added.length;s++){const i=e.added[s];let n=r.indexOf(i);if(-1===n){for(let e=0;e<t.length;e++){if(e>=r.length){r.push(i),n=e;break}if(null===r[e]){r[e]=i,n=e;break}}if(-1===n)break}const a=t[n];a&&a.connect(i)}}function _R(e){return"quad"===e.type?this._glBinding.createQuadLayer({transform:new XRRigidTransform(e.translation,e.quaternion),width:e.width/2,height:e.height/2,space:this._referenceSpace,viewPixelWidth:e.pixelwidth,viewPixelHeight:e.pixelheight,clearOnAccess:!1}):this._glBinding.createCylinderLayer({transform:new XRRigidTransform(e.translation,e.quaternion),radius:e.radius,centralAngle:e.centralAngle,aspectRatio:e.aspectRatio,space:this._referenceSpace,viewPixelWidth:e.pixelwidth,viewPixelHeight:e.pixelheight,clearOnAccess:!1})}function vR(e,t){if(void 0===t)return;const r=this._cameraXR,i=this._renderer,n=i.backend,a=this._glBaseLayer,o=this.getReferenceSpace(),u=t.getViewerPose(o);if(this._xrFrame=t,null!==u){const e=u.views,t=this._isWebGPUSession()?this._getWebGPUViewData(e):null;null!==this._glBaseLayer&&null===t&&n.setXRTarget(a.framebuffer);let o=!1;e.length!==r.cameras.length&&(r.cameras.length=0,o=!0);for(let i=0;i<e.length;i++){const u=e[i];let l;if(null!==t)l=t.viewports[i];else if(!0===this._supportsLayers){const e=this._glBinding.getViewSubImage(this._glProjLayer,u);l=e.viewport,0===i&&n.setXRRenderTargetTextures(this._xrRenderTarget,e.colorTexture,this._glProjLayer.ignoreDepthValues&&!this._useMultiview?void 0:e.depthStencilTexture)}else l=a.getViewport(u);let d=this._cameras[i];void 0===d&&(d=new Se,d.layers.enable(i),d.viewport=new s,d.matrixWorldAutoUpdate=!1,this._cameras[i]=d),d.matrix.fromArray(u.transform.matrix),d.matrix.decompose(d.position,d.quaternion,d.scale),d.projectionMatrix.fromArray(u.projectionMatrix),d.projectionMatrixInverse.copy(d.projectionMatrix).invert(),d.viewport.set(l.x,l.y,l.width,l.height),0===i&&(r.matrix.copy(d.matrix),r.matrix.decompose(r.position,r.quaternion,r.scale)),!0===o&&r.cameras.push(d)}null!==t&&null!==t.colorTexture&&n.setXRRenderTargetTextures(this._xrRenderTarget,t.colorTexture,t.viewDescriptors),i.setOutputRenderTarget(this._xrRenderTarget);const l=i._getFrameBufferTarget();i.xr.foveateBoundTexture(l)}for(let e=0;e<this._controllers.length;e++){const r=this._controllerInputSources[e],s=this._controllers[e];null!==r&&void 0!==s&&s.update(r,t,o)}this._currentAnimationLoop&&this._currentAnimationLoop(e,t),t.detectedPlanes&&this.dispatchEvent({type:"planesdetected",data:t}),this._xrFrame=null}class NR extends u{constructor(e){super(),this.domElement=e,this._pixelRatio=1,this._width=this.domElement.width,this._height=this.domElement.height,this._viewport=new s(0,0,this._width,this._height),this._scissor=new s(0,0,this._width,this._height),this._scissorTest=!1,this.colorTexture=new Q,this.depthTexture=new Z}getPixelRatio(){return this._pixelRatio}getDrawingBufferSize(e){return e.set(this._width*this._pixelRatio,this._height*this._pixelRatio).floor()}getSize(e){return e.set(this._width,this._height)}setPixelRatio(e=1){this._pixelRatio!==e&&(this._pixelRatio=e,this.setSize(this._width,this._height,!1))}setDrawingBufferSize(e,t,r){this.xr&&this.xr.isPresenting||(this._width=e,this._height=t,this._pixelRatio=r,this.domElement.width=Math.floor(e*r),this.domElement.height=Math.floor(t*r),this.setViewport(0,0,e,t),this._dispatchResize())}setSize(e,t,r=!0){this.xr&&this.xr.isPresenting||(this._width=e,this._height=t,this.domElement.width=Math.floor(e*this._pixelRatio),this.domElement.height=Math.floor(t*this._pixelRatio),!0===r&&(this.domElement.style.width=e+"px",this.domElement.style.height=t+"px"),this.setViewport(0,0,e,t),this._dispatchResize())}getScissor(e){const t=this._scissor;return e.x=t.x,e.y=t.y,e.width=t.width,e.height=t.height,e}setScissor(e,t,r,s){const i=this._scissor;e.isVector4?i.copy(e):i.set(e,t,r,s)}getScissorTest(){return this._scissorTest}setScissorTest(e){this._scissorTest=e}getViewport(e){return e.copy(this._viewport)}setViewport(e,t,r,s,i=0,n=1){const a=this._viewport;e.isVector4?a.copy(e):a.set(e,t,r,s),a.minDepth=i,a.maxDepth=n}_dispatchResize(){this.dispatchEvent({type:"resize"})}dispose(){this.dispatchEvent({type:"dispose"})}}const SR=new ue,RR=new t,ER=new s,wR=new Lt,AR=new Bt,CR=new a,MR=new s,BR={[St]:F,[F]:St,[P]:P};class LR{constructor(e,t={}){this.isRenderer=!0;const{logarithmicDepthBuffer:r=!1,reversedDepthBuffer:s=!1,alpha:i=!0,depth:n=!0,stencil:a=!1,antialias:o=!1,samples:u=0,getFallback:l=null,outputBufferType:d=Te,multiview:c=!1}=t;this.backend=e,this.autoClear=!0,this.autoClearColor=!0,this.autoClearDepth=!0,this.autoClearStencil=!0,this.alpha=i,this.logarithmicDepthBuffer=r,this.reversedDepthBuffer=s,this.outputColorSpace=ie,this.toneMapping=m,this.toneMappingExposure=1,this.sortObjects=!0,this.depth=n,this.stencil=a,this.info=new ab,this.contextNode=Pu(),this.library=new uR,this.lighting=new cR,this._samples=u||!0===o?4:0,this._onCanvasTargetResize=this._onCanvasTargetResize.bind(this),this._canvasTarget=new NR(e.getDomElement()),this._canvasTarget.addEventListener("resize",this._onCanvasTargetResize),this._canvasTarget.isDefaultCanvasTarget=!0,this._inspector=new $l,this._inspector.setRenderer(this),this._getFallback=l,this._attributes=null,this._geometries=null,this._nodes=null,this._animation=null,this._bindings=null,this._objects=null,this._pipelines=null,this._bundles=null,this._renderLists=null,this._renderContexts=null,this._textures=null,this._background=null,this._quadCache=new Map,this._currentRenderContext=null,this._opaqueSort=null,this._transparentSort=null,this._frameBufferTargets=new Map;const h=!0===this.alpha?0:1;this._clearColor=new wb(0,0,0,h),this._clearDepth=1,this._clearStencil=0,this._renderTarget=null,this._activeCubeFace=0,this._activeMipmapLevel=0,this._outputRenderTarget=null,this._mrt=null,this._renderObjectFunction=null,this._currentRenderObjectFunction=null,this._currentRenderBundle=null,this._handleObjectFunction=this._renderObjectDirect,this._isDeviceLost=!1,this.onDeviceLost=this._onDeviceLost,this.onError=this._onError,this._outputBufferType=d,this._cacheShadowNodes=new WeakMap,this._initialized=!1,this._callDepth=-1,this._initPromise=null,this._compilationPromises=null,this._currentSourceMaterial=null,this.transparent=!0,this.opaque=!0,this.shadowMap={enabled:!1,transmitted:!1,type:ct},this.xr=new fR(this,c),this.debug={checkShaderErrors:!0,onShaderError:null,getShaderAsync:async(e,t,r)=>{await this.compileAsync(r,t,e);const s=this.needsFrameBufferTarget&&null===this._renderTarget?this._getFrameBufferTarget():this._renderTarget||this._outputRenderTarget,i=this._renderLists.get(e,t),n=this._renderContexts.get(s,this._mrt),a=e.overrideMaterial||r.material,o=this._objects.get(r,a,e,t,i.lightsNode,n,n.clippingContext),{fragmentShader:u,vertexShader:l}=o.getNodeBuilderState();return{fragmentShader:u,vertexShader:l}}}}async init(){return null!==this._initPromise||(this._initPromise=new Promise(async(e,t)=>{let r=this.backend;try{await r.init(this)}catch(e){if(null===this._getFallback)return void t(e);try{this.backend=r=this._getFallback(e),await r.init(this)}catch(e){return void t(e)}}this._nodes=new rR(this,r),this._animation=new zy(this,this._nodes,this.info),this._attributes=new tb(r,this.info),this._background=new YN(this,this._nodes),this._geometries=new nb(this._attributes,this.info),this._textures=new Eb(this,r,this.info),this._pipelines=new hb(r,this._nodes,this.info),this._bindings=new pb(r,this._nodes,this._textures,this._attributes,this._pipelines,this.info),this._objects=new Xy(this,this._nodes,this._geometries,this._pipelines,this._bindings,this.info),this._renderLists=new Tb(this.lighting),this._bundles=new oR,this._renderContexts=new Sb(this),this._animation.start(),this._initialized=!0,this._inspector.init(),e(this)})),this._initPromise}get domElement(){return this._canvasTarget.domElement}get coordinateSystem(){return this.backend.coordinateSystem}async compileAsync(e,t,r=null){if(!0===this._isDeviceLost)return;!1===this._initialized&&await this.init();const s=this._nodes.nodeFrame,i=s.renderId,n=this._currentRenderContext,a=this._currentRenderObjectFunction,o=this._handleObjectFunction,u=this._compilationPromises;null===r&&(r=e);const l=!0===e.isScene?e:!0===r.isScene?r:SR,d=this.needsFrameBufferTarget&&null===this._renderTarget?this._getFrameBufferTarget():this._renderTarget||this._outputRenderTarget,c=this._renderContexts.get(d,this._mrt),h=this._activeMipmapLevel,p=[];this._currentRenderContext=c,this._currentRenderObjectFunction=this.renderObject,this._handleObjectFunction=this._createObjectPipeline,this._compilationPromises=p,s.renderId++,s.update(),c.depth=this.depth,c.stencil=this.stencil,c.clippingContext||(c.clippingContext=new iR),c.clippingContext.updateGlobal(l,t),!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),t=this._updateCamera(t),l.onBeforeRender(this,e,t,d);const g=t.isArrayCamera?AR:wR;t.isArrayCamera||(CR.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),g.setFromProjectionMatrix(CR,t.coordinateSystem,t.reversedDepth));const m=this._renderLists.get(l,t);if(m.begin(),this._projectObject(e,t,0,m,c.clippingContext),r!==e&&r.traverseVisible(function(e){e.isLight&&e.layers.test(t.layers)&&m.pushLight(e)}),m.finish(),null!==d){this._textures.updateRenderTarget(d,h);const e=this._textures.get(d);c.textures=e.textures,c.depthTexture=e.depthTexture}else c.textures=null,c.depthTexture=null;r!==e?this._background.update(r,m,c):this._background.update(l,m,c);const f=m.opaque,y=m.transparent,b=m.transparentDoublePass,x=m.lightsNode;!0===this.opaque&&f.length>0&&this._renderObjects(f,t,l,x),!0===this.transparent&&y.length>0&&this._renderTransparents(y,b,t,l,x),s.renderId=i,this._currentRenderContext=n,this._currentRenderObjectFunction=a,this._handleObjectFunction=o,this._compilationPromises=u;for(const e of p){const t=this._objects.get(e.object,e.material,e.scene,e.camera,e.lightsNode,e.renderContext,e.clippingContext,e.passId);t.drawRange=e.object.geometry.drawRange,t.group=e.group,this._geometries.updateForRender(t),await this._nodes.getForRenderAsync(t),this._nodes.updateBefore(t),this._nodes.updateForRender(t),this._bindings.updateForRender(t);const r=[];this._pipelines.getForRender(t,r),r.length>0&&await Promise.all(r),this._nodes.updateAfter(t),await Tt()}}async renderAsync(e,t){v('Renderer: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.render(e,t)}async waitForGPU(){o("Renderer: waitForGPU() has been removed. Read https://github.com/mrdoob/three.js/issues/32012 for more information.")}set inspector(e){null!==this._inspector&&this._inspector.setRenderer(null),this._inspector=e,this._inspector.setRenderer(this)}get inspector(){return this._inspector}set highPrecision(e){const t=this.contextNode.value;!0===e?(t.modelViewMatrix=hc,t.modelNormalViewMatrix=pc):this.highPrecision&&(delete t.modelViewMatrix,delete t.modelNormalViewMatrix)}get highPrecision(){const e=this.contextNode.value;return e.modelViewMatrix===hc&&e.modelNormalViewMatrix===pc}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}getOutputBufferType(){return this._outputBufferType}getColorBufferType(){return v('Renderer: ".getColorBufferType()" has been renamed to ".getOutputBufferType()".'),this.getOutputBufferType()}_onDeviceLost(e){let t=`THREE.WebGPURenderer: ${e.api} Device Lost:\n\nMessage: ${e.message}`;e.reason&&(t+=`\nReason: ${e.reason}`),o(t),this._isDeviceLost=!0}_onError(e){let t=`WebGPURenderer: Uncaptured ${e.api} ${e.type}`;e.message&&(t+=`: ${e.message}`),o(t)}_renderBundle(e,t,r){const{bundleGroup:s,camera:i,renderList:n}=e,a=this._currentRenderContext,o=this._bundles.get(s,i,a),u=this.backend.get(o),l=s.version!==u.version;if(l||void 0===u.bundleGPU){this.backend.beginBundle(a),(void 0===u.renderObjects||l)&&(u.renderObjects=[]),this._currentRenderBundle=o;const{transparentDoublePass:e,transparent:d,opaque:c}=n;!0===this.opaque&&c.length>0&&this._renderObjects(c,i,t,r),!0===this.transparent&&d.length>0&&this._renderTransparents(d,e,i,t,r),this._currentRenderBundle=null,this.backend.finishBundle(a,o),u.version=s.version}else{const{renderObjects:e}=u;for(let t=0,r=e.length;t<r;t++){const r=e[t];this._nodes.needsRefresh(r)&&(this._nodes.updateBefore(r),this._nodes.updateForRender(r),this._bindings.updateForRender(r),this._nodes.updateAfter(r))}}this.backend.addBundle(a,o)}render(e,t){if(!1===this._initialized)throw new Error('THREE.Renderer: .render() called before the backend is initialized. Use "await renderer.init();" before rendering.');this._renderScene(e,t)}get initialized(){return this._initialized}_renderOutputLayers(e,t){if(!0!==t.texture.isArrayTexture||t.texture.image.depth<=1)return void this._renderScene(e,e.camera,!1);const r=this._activeCubeFace;try{for(let r=0;r<t.texture.image.depth;r++)this._nodes.setOutputLayerIndex(r),this._activeCubeFace=r,this._renderScene(e,e.camera,!1)}finally{this._nodes.setOutputLayerIndex(0),this._activeCubeFace=r}}_getFrameBufferTarget(){const{currentToneMapping:e,currentColorSpace:t}=this,r=e!==m,s=t!==p.workingColorSpace;if(!1===r&&!1===s)return null;const{width:i,height:n}=this.getDrawingBufferSize(RR),{depth:a,stencil:o}=this,u=this._outputRenderTarget||this._canvasTarget;let l=this._frameBufferTargets.get(u);if(void 0===l){l=new ne(i,n,{depthBuffer:a,stencilBuffer:o,type:this._outputBufferType,format:Ee,colorSpace:p.workingColorSpace,generateMipmaps:!1,minFilter:le,magFilter:le,samples:this.samples}),l.isPostProcessingRenderTarget=!0;const e=()=>{u.removeEventListener("dispose",e),l.dispose(),this._frameBufferTargets.delete(u)};u.addEventListener("dispose",e),this._frameBufferTargets.set(u,l)}const d=this.getOutputRenderTarget();l.depthBuffer=a,l.stencilBuffer=o,null!==d?l.setSize(d.width,d.height,d.depth):l.setSize(i,n,1);const c=this._outputRenderTarget?this._outputRenderTarget.viewport:u._viewport,h=this._outputRenderTarget?this._outputRenderTarget.scissor:u._scissor,g=this._outputRenderTarget?1:u._pixelRatio,f=this._outputRenderTarget?this._outputRenderTarget.scissorTest:u._scissorTest;return l.viewport.copy(c),l.scissor.copy(h),l.viewport.multiplyScalar(g),l.scissor.multiplyScalar(g),l.scissorTest=f,l.multiview=null!==d&&d.multiview,l.useArrayDepthTexture=null!==d&&d.useArrayDepthTexture,l.resolveDepthBuffer=null===d||d.resolveDepthBuffer,l._autoAllocateDepthBuffer=null!==d&&d._autoAllocateDepthBuffer,l}_renderScene(e,t,r=!0){if(!0===this._isDeviceLost)return;const s=r?this._getFrameBufferTarget():null,i=this._nodes.nodeFrame,n=i.renderId,a=this._currentRenderContext,o=this._currentRenderObjectFunction,u=this._handleObjectFunction;this.lighting.beginRender(e),this._callDepth++;const l=!0===e.isScene?e:SR,d=this._renderTarget||this._outputRenderTarget,c=this._activeCubeFace,h=this._activeMipmapLevel;let p;if(null!==s?(p=s,this.setRenderTarget(p)):p=d,null!==p&&!0===p.depthBuffer){const e=this._textures.get(p);!0!==e.depthInitialized&&((!1===this.autoClear||!0===this.autoClear&&!1===this.autoClearDepth)&&this.clearDepth(),e.depthInitialized=!0)}const g=this._renderContexts.get(p,this._mrt,this._callDepth);this._currentRenderContext=g,this._currentRenderObjectFunction=this._renderObjectFunction||this.renderObject,this._handleObjectFunction=this._renderObjectDirect,this.info.calls++,this.info.render.calls++,this.info.render.frameCalls++,i.renderId=this.info.calls,this.backend.updateTimeStampUID(g),this.inspector.beginRender(this.backend.getTimestampUID(g),e,t,p),!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),t=this._updateCamera(t);const m=this._canvasTarget;let f=m._viewport,y=m._scissor,b=m._pixelRatio;null!==p&&(f=p.viewport,y=p.scissor,b=1),this.getDrawingBufferSize(RR),ER.set(0,0,RR.width,RR.height);const x=void 0===f.minDepth?0:f.minDepth,T=void 0===f.maxDepth?1:f.maxDepth;g.viewportValue.copy(f).multiplyScalar(b).floor(),g.viewportValue.width>>=h,g.viewportValue.height>>=h,g.viewportValue.minDepth=x,g.viewportValue.maxDepth=T,g.viewport=!1===g.viewportValue.equals(ER),g.scissorValue.copy(y).multiplyScalar(b).floor(),g.scissor=m._scissorTest&&!1===g.scissorValue.equals(ER),g.scissorValue.width>>=h,g.scissorValue.height>>=h,g.clippingContext||(g.clippingContext=new iR),g.clippingContext.updateGlobal(l,t),l.onBeforeRender(this,e,t,p);const _=t.isArrayCamera?AR:wR;t.isArrayCamera||(CR.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),_.setFromProjectionMatrix(CR,t.coordinateSystem,t.reversedDepth));const v=this._renderLists.get(e,t);if(v.begin(),this._projectObject(e,t,0,v,g.clippingContext),v.finish(),!0===this.sortObjects&&v.sort(this._opaqueSort,this._transparentSort,t.reversedDepth),null!==p){this._textures.updateRenderTarget(p,h);const e=this._textures.get(p);g.textures=e.textures,g.depthTexture=e.depthTexture,g.width=e.width,g.height=e.height,g.renderTarget=p,g.depth=p.depthBuffer,g.stencil=p.stencilBuffer}else g.textures=null,g.depthTexture=null,g.width=RR.width,g.height=RR.height,g.depth=this.depth,g.stencil=this.stencil;g.width>>=h,g.height>>=h,g.activeCubeFace=c,g.activeMipmapLevel=h,g.occlusionQueryCount=v.occlusionQueryCount,g.scissorValue.max(MR.set(0,0,0,0)),g.scissorValue.x+g.scissorValue.width>g.width&&(g.scissorValue.width=Math.max(g.width-g.scissorValue.x,0)),g.scissorValue.y+g.scissorValue.height>g.height&&(g.scissorValue.height=Math.max(g.height-g.scissorValue.y,0)),this._background.update(l,v,g),g.camera=t,this.backend.beginRender(g);const{bundles:N,lightsNode:S,transparentDoublePass:R,transparent:E,opaque:w}=v;return N.length>0&&this._renderBundles(N,l,S),!0===this.opaque&&w.length>0&&this._renderObjects(w,t,l,S),!0===this.transparent&&E.length>0&&this._renderTransparents(E,R,t,l,S),this.backend.finishRender(g),i.renderId=n,this._currentRenderContext=a,this._currentRenderObjectFunction=o,this._handleObjectFunction=u,this.lighting.finishRender(e),this._callDepth--,null!==s&&(this.setRenderTarget(d,c,h),this._renderOutput(p)),l.onAfterRender(this,e,t,p),this.inspector.finishRender(this.backend.getTimestampUID(g)),g}_setXRLayerSize(e,t){this._canvasTarget._width=e,this._canvasTarget._height=t,this.setViewport(0,0,e,t)}_renderOutput(e){const t=this._nodes.getOutputCacheKey();let r,s=this._quadCache.get(e.texture);if(void 0===s){r=new Vx(new Ig),r.name="Output Color Transform",r.material.name="outputColorTransform",r.material.fragmentNode=this._nodes.getOutputNode(e.texture),s={quad:r,cacheKey:t},this._quadCache.set(e.texture,s);const i=()=>{r.material.dispose(),this._quadCache.delete(e.texture),e.texture.removeEventListener("dispose",i)};e.texture.addEventListener("dispose",i)}else r=s.quad,s.cacheKey!==t&&(r.material.fragmentNode=this._nodes.getOutputNode(e.texture),r.material.needsUpdate=!0,s.cacheKey=t);const i=this.autoClear,n=this.xr.enabled;this.autoClear=!1,this.xr.enabled=!1,this._renderOutputLayers(r,e),this.autoClear=i,this.xr.enabled=n}getMaxAnisotropy(){return this.backend.capabilities.getMaxAnisotropy()}getActiveCubeFace(){return this._activeCubeFace}getActiveMipmapLevel(){return this._activeMipmapLevel}async setAnimationLoop(e){!1===this._initialized&&await this.init(),this._animation.setAnimationLoop(e)}getAnimationLoop(){return this._animation.getAnimationLoop()}async getArrayBufferAsync(e,t=null,r=0,s=-1){if(null!==t&&t.isReadbackBuffer&&!1===this.info.memoryMap.has(t)){this.info.createReadbackBuffer(t);const e=()=>{t.removeEventListener("dispose",e),this.info.destroyReadbackBuffer(t)};t.addEventListener("dispose",e)}if(r%4!=0||s>0&&s%4!=0)throw new Error('THREE.Renderer: "getArrayBufferAsync()" offset and count must be a multiple of 4.');return await this.backend.getArrayBufferAsync(e,t,r,s)}getContext(){return this.backend.getContext()}getPixelRatio(){return this._canvasTarget.getPixelRatio()}getDrawingBufferSize(e){return this._canvasTarget.getDrawingBufferSize(e)}getSize(e){return this._canvasTarget.getSize(e)}setPixelRatio(e=1){this._canvasTarget.setPixelRatio(e)}setDrawingBufferSize(e,t,r){this.xr&&this.xr.isPresenting||this._canvasTarget.setDrawingBufferSize(e,t,r)}setSize(e,t,r=!0){this.xr&&this.xr.isPresenting||this._canvasTarget.setSize(e,t,r)}setOpaqueSort(e){this._opaqueSort=e}setTransparentSort(e){this._transparentSort=e}getScissor(e){return this._canvasTarget.getScissor(e)}setScissor(e,t,r,s){this._canvasTarget.setScissor(e,t,r,s)}getScissorTest(){return this._canvasTarget.getScissorTest()}setScissorTest(e){this._canvasTarget.setScissorTest(e),this.backend.setScissorTest(e)}getViewport(e){return this._canvasTarget.getViewport(e)}setViewport(e,t,r,s,i=0,n=1){this._canvasTarget.setViewport(e,t,r,s,i,n)}getClearColor(e){return e.copy(this._clearColor)}setClearColor(e,t=1){this._clearColor.set(e),this._clearColor.a=t}getClearAlpha(){return this._clearColor.a}setClearAlpha(e){this._clearColor.a=e}getClearDepth(){return!0===this.reversedDepthBuffer?1-this._clearDepth:this._clearDepth}setClearDepth(e){this._clearDepth=e}getClearStencil(){return this._clearStencil}setClearStencil(e){this._clearStencil=e}isOccluded(e){const t=this._currentRenderContext;return t&&this.backend.isOccluded(t,e)}clear(e=!0,t=!0,r=!0){if(!1===this._initialized)throw new Error('THREE.Renderer: .clear() called before the backend is initialized. Use "await renderer.init();" before using this method.');const s=this._renderTarget||this._getFrameBufferTarget();let i=null;if(null!==s){this._textures.updateRenderTarget(s);const e=this._textures.get(s);i=this._renderContexts.get(s,null,-1),i.textures=e.textures,i.depthTexture=e.depthTexture,i.width=e.width,i.height=e.height,i.renderTarget=s,i.depth=s.depthBuffer,i.stencil=s.stencilBuffer;const t=this.backend.getClearColor();i.clearColorValue.r=t.r,i.clearColorValue.g=t.g,i.clearColorValue.b=t.b,i.clearColorValue.a=t.a,i.clearDepthValue=this.getClearDepth(),i.clearStencilValue=this.getClearStencil(),i.activeCubeFace=this.getActiveCubeFace(),i.activeMipmapLevel=this.getActiveMipmapLevel(),!0===s.depthBuffer&&(e.depthInitialized=!0)}this.backend.clear(e,t,r,i),null!==s&&null===this._renderTarget&&this._renderOutput(s)}clearColor(){this.clear(!0,!1,!1)}clearDepth(){this.clear(!1,!0,!1)}clearStencil(){this.clear(!1,!1,!0)}async clearAsync(e=!0,t=!0,r=!0){v('Renderer: "clearAsync()" has been deprecated. Use "clear()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.clear(e,t,r)}async clearColorAsync(){v('Renderer: "clearColorAsync()" has been deprecated. Use "clearColor()" and "await renderer.init();" when creating the renderer.'),this.clear(!0,!1,!1)}async clearDepthAsync(){v('Renderer: "clearDepthAsync()" has been deprecated. Use "clearDepth()" and "await renderer.init();" when creating the renderer.'),this.clear(!1,!0,!1)}async clearStencilAsync(){v('Renderer: "clearStencilAsync()" has been deprecated. Use "clearStencil()" and "await renderer.init();" when creating the renderer.'),this.clear(!1,!1,!0)}get needsFrameBufferTarget(){const e=this.currentToneMapping!==m,t=this.currentColorSpace!==p.workingColorSpace;return e||t}get samples(){return this._samples}get currentSamples(){let e=this._samples;return null!==this._renderTarget?e=this._renderTarget.samples:this.needsFrameBufferTarget&&(e=0),e}get currentToneMapping(){return this.isOutputTarget?this.toneMapping:m}get currentColorSpace(){return this.isOutputTarget?this.outputColorSpace:p.workingColorSpace}get isOutputTarget(){return this._renderTarget===this._outputRenderTarget||null===this._renderTarget}dispose(){if(!0===this._initialized){this.info.dispose(),this.backend.dispose(),this._animation.dispose(),this._objects.dispose(),this._geometries.dispose(),this._pipelines.dispose(),this._nodes.dispose(),this._bindings.dispose(),this._renderLists.dispose(),this._renderContexts.dispose(),this._textures.dispose();for(const e of this._frameBufferTargets.keys())e.dispose();Object.values(this.backend.timestampQueryPool).forEach(e=>{null!==e&&e.dispose()})}this.setRenderTarget(null),this.setAnimationLoop(null)}setRenderTarget(e,t=0,r=0){this._renderTarget=e,this._activeCubeFace=t,this._activeMipmapLevel=r}getRenderTarget(){return this._renderTarget}setOutputRenderTarget(e){this._outputRenderTarget=e}getOutputRenderTarget(){return this._outputRenderTarget}setCanvasTarget(e){this._canvasTarget.removeEventListener("resize",this._onCanvasTargetResize),this._canvasTarget=e,this._canvasTarget.addEventListener("resize",this._onCanvasTargetResize)}getCanvasTarget(){return this._canvasTarget}_resetXRState(){this.backend.setXRTarget(null),this.setOutputRenderTarget(null),this.setRenderTarget(null);for(const e of this._frameBufferTargets.keys())e.dispose()}setRenderObjectFunction(e){this._renderObjectFunction=e}getRenderObjectFunction(){return this._renderObjectFunction}compute(e,t=null){if(!0===this._isDeviceLost)return;if(!1===this._initialized)return d("Renderer: .compute() called before the backend is initialized. Try using .computeAsync() instead."),this.computeAsync(e,t);const r=this._nodes.nodeFrame,s=r.renderId;this.info.calls++,this.info.compute.calls++,this.info.compute.frameCalls++,r.renderId=this.info.calls,this.backend.updateTimeStampUID(e),this.inspector.beginCompute(this.backend.getTimestampUID(e),e);const i=this.backend,n=this._pipelines,a=this._bindings,o=this._nodes,u=Array.isArray(e)?e:[e];if(void 0===u[0]||!0!==u[0].isComputeNode)throw new Error("THREE.Renderer: .compute() expects a ComputeNode.");i.beginCompute(e);for(const r of u){if(!1===n.has(r)){const e=()=>{r.removeEventListener("dispose",e),n.delete(r),a.deleteForCompute(r),o.delete(r)};r.addEventListener("dispose",e);const t=r.onInitFunction;null!==t&&t.call(r,{renderer:this})}o.updateForCompute(r),a.updateForCompute(r);const s=a.getForCompute(r),u=n.getForCompute(r,s);i.compute(e,r,s,u,t)}i.finishCompute(e),r.renderId=s,this.inspector.finishCompute(this.backend.getTimestampUID(e))}async computeAsync(e,t=null){!1===this._initialized&&await this.init(),this.compute(e,t)}async hasFeatureAsync(e){return v('Renderer: "hasFeatureAsync()" has been deprecated. Use "hasFeature()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.hasFeature(e)}async resolveTimestampsAsync(e="render"){return!1===this._initialized&&await this.init(),this.backend.resolveTimestampsAsync(e)}hasFeature(e){if(!1===this._initialized)throw new Error('THREE.Renderer: .hasFeature() called before the backend is initialized. Use "await renderer.init();" before using this method.');return this.backend.hasFeature(e)}hasInitialized(){return this._initialized}async initTextureAsync(e){v('Renderer: "initTextureAsync()" has been deprecated. Use "initTexture()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.initTexture(e)}initTexture(e){if(!1===this._initialized)throw new Error('THREE.Renderer: .initTexture() called before the backend is initialized. Use "await renderer.init();" before using this method.');this._textures.updateTexture(e)}initRenderTarget(e){if(!1===this._initialized)throw new Error('THREE.Renderer: .initRenderTarget() called before the backend is initialized. Use "await renderer.init();" before using this method.');this._textures.updateRenderTarget(e);const t=this._textures.get(e),r=this._renderContexts.get(e);r.textures=t.textures,r.depthTexture=t.depthTexture,r.width=t.width,r.height=t.height,r.renderTarget=e,r.depth=e.depthBuffer,r.stencil=e.stencilBuffer,this.backend.initRenderTarget(r)}copyFramebufferToTexture(e,t=null){if(null!==t)if(t.isVector2)t=MR.set(t.x,t.y,e.image.width,e.image.height).floor();else{if(!t.isVector4)return void o("Renderer.copyFramebufferToTexture: Invalid rectangle.");t=MR.copy(t).floor()}else t=MR.set(0,0,e.image.width,e.image.height);let r,s=this._currentRenderContext;null!==s?r=s.renderTarget:(r=this._renderTarget||this._getFrameBufferTarget(),null!==r&&(this._textures.updateRenderTarget(r),s=this._textures.get(r))),this._textures.updateTexture(e,{renderTarget:r}),this.backend.copyFramebufferToTexture(e,s,t),this._inspector.copyFramebufferToTexture(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){this._textures.updateTexture(e),this._textures.updateTexture(t),this.backend.copyTextureToTexture(e,t,r,s,i,n),this._inspector.copyTextureToTexture(e,t)}async readRenderTargetPixelsAsync(e,t,r,s,i,n=0,a=0){return this.backend.copyTextureToBuffer(e.textures[n],t,r,s,i,a)}_projectObject(e,t,r,s,i){if(!1===e.visible)return;if(e.layers.test(t.layers))if(e.isGroup)r=e.renderOrder,e.isClippingGroup&&e.enabled&&(i=i.getGroupContext(e));else if(e.isLOD)!0===e.autoUpdate&&e.update(t);else if(e.isLight)s.pushLight(e);else if(e.isSprite){const n=t.isArrayCamera?AR:wR;if(!e.frustumCulled||n.intersectsSprite(e,t)){!0===this.sortObjects&&MR.setFromMatrixPosition(e.matrixWorld).applyMatrix4(CR);const{geometry:t,material:n}=e;n.visible&&s.push(e,t,n,r,MR.z,null,i)}}else if(e.isLineLoop)o("Renderer: Objects of type THREE.LineLoop are not supported. Please use THREE.Line or THREE.LineSegments.");else if(e.isMesh||e.isLine||e.isPoints){const n=t.isArrayCamera?AR:wR;if(!e.frustumCulled||n.intersectsObject(e,t)){const{geometry:t,material:n}=e;if(!0===this.sortObjects&&(null===t.boundingSphere&&t.computeBoundingSphere(),MR.copy(t.boundingSphere.center).applyMatrix4(e.matrixWorld).applyMatrix4(CR)),Array.isArray(n)){const a=t.groups;for(let o=0,u=a.length;o<u;o++){const u=a[o],l=n[u.materialIndex];l&&l.visible&&s.push(e,t,l,r,MR.z,u,i)}}else n.visible&&s.push(e,t,n,r,MR.z,null,i)}}if(!0===e.isBundleGroup&&void 0!==this.backend.beginBundle){const r=s;(s=this._renderLists.get(e,t)).begin(),r.pushBundle({bundleGroup:e,camera:t,renderList:s}),s.finish()}const n=e.children;for(let e=0,a=n.length;e<a;e++)this._projectObject(n[e],t,r,s,i)}_renderBundles(e,t,r){for(const s of e)this._renderBundle(s,t,r)}_renderTransparents(e,t,r,s,i){if(t.length>0){for(const{material:e}of t)e.side=F;this._renderObjects(t,r,s,i,"backSide");for(const{material:e}of t)e.side=St;this._renderObjects(e,r,s,i);for(const{material:e}of t)e.side=P}else this._renderObjects(e,r,s,i)}_renderObjects(e,t,r,s,i=null){for(let n=0,a=e.length;n<a;n++){const{object:a,geometry:o,material:u,group:l,clippingContext:d}=e[n];this._currentRenderObjectFunction(a,r,t,o,u,l,s,d,i)}}_getShadowNodes(e){const t=e.version;let r=this._cacheShadowNodes.get(e);if(void 0===r||r.version!==t){const s=null!==e.map,i=e.colorNode&&e.colorNode.isNode,n=e.castShadowNode&&e.castShadowNode.isNode,a=e.maskShadowNode&&e.maskShadowNode.isNode||e.maskNode&&e.maskNode.isNode;let o=null,u=null,l=null;if(s||i||n||a){let t,r;if(n?(t=e.castShadowNode.rgb,r=e.castShadowNode.a,!0!==this.shadowMap.transmitted&&v("Renderer: `shadowMap.transmitted` needs to be set to `true` when using `material.castShadowNode`.")):(t=An(0),r=Tn(1)),s&&(r=r.mul(Jc("map","texture",e).a)),i&&(r=r.mul(e.colorNode.a)),u=Ln(t,r),a){const t=e.maskShadowNode||e.maskNode;u=gn(([e])=>(t.not().discard(),e))(u)}}e.depthNode&&e.depthNode.isNode&&(l=e.depthNode),e.castShadowPositionNode&&e.castShadowPositionNode.isNode?o=e.castShadowPositionNode:e.positionNode&&e.positionNode.isNode&&(o=e.positionNode),r={version:t,colorNode:u,depthNode:l,positionNode:o},this._cacheShadowNodes.set(e,r)}return r}_updateCamera(e){const t=this.xr;if(!1===t.isPresenting){let t=!1;if(!0===this.reversedDepthBuffer&&!0!==e.reversedDepth){if(e._reversedDepth=!0,e.isArrayCamera)for(const t of e.cameras)t._reversedDepth=!0;t=!0}const r=this.coordinateSystem;if(e.coordinateSystem!==r){if(e.coordinateSystem=r,e.isArrayCamera)for(const t of e.cameras)t.coordinateSystem=r;t=!0}if(!0===t&&(e.updateProjectionMatrix(),e.isArrayCamera))for(const t of e.cameras)t.updateProjectionMatrix()}return null===e.parent&&!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),!0===t.enabled&&!0===t.isPresenting&&(!0===t.cameraAutoUpdate&&t.updateCamera(e),e=t.getCamera()),e}renderObject(e,t,r,s,i,n,a,o=null,u=null){let l,d,c,h,p=!1;const g=this._currentSourceMaterial;if(e.onBeforeRender(this,t,r,s,i,n),!0===i.allowOverride&&null!==t.overrideMaterial){this._currentSourceMaterial=i;const e=t.overrideMaterial;if(p=!0,l=e.isNodeMaterial?e.colorNode:null,d=e.isNodeMaterial?e.depthNode:null,c=e.isNodeMaterial?e.positionNode:null,h=t.overrideMaterial.side,i.positionNode&&i.positionNode.isNode&&(e.positionNode=i.positionNode),e.alphaTest=i.alphaTest,e.alphaMap=i.alphaMap,e.transparent=i.transparent||i.transmission>0||i.transmissionNode&&i.transmissionNode.isNode||i.backdropNode&&i.backdropNode.isNode,e.isShadowPassMaterial){const{colorNode:t,depthNode:r,positionNode:s}=this._getShadowNodes(i);this.shadowMap.type===pt?e.side=null!==i.shadowSide?i.shadowSide:i.side:e.side=null!==i.shadowSide?i.shadowSide:BR[i.side],null!==t&&(e.colorNode=t),null!==r&&(e.depthNode=r),null!==s&&(e.positionNode=s)}i=e}!0===i.transparent&&i.side===P&&!1===i.forceSinglePass?(i.side=F,this._handleObjectFunction(e,i,t,r,a,n,o,"backSide"),i.side=St,this._handleObjectFunction(e,i,t,r,a,n,o,u),i.side=P):this._handleObjectFunction(e,i,t,r,a,n,o,u),p&&(t.overrideMaterial.colorNode=l,t.overrideMaterial.depthNode=d,t.overrideMaterial.positionNode=c,t.overrideMaterial.side=h),this._currentSourceMaterial=g,e.onAfterRender(this,t,r,s,i,n)}hasCompatibility(e){if(!1===this._initialized)throw new Error('THREE.Renderer: .hasCompatibility() called before the backend is initialized. Use "await renderer.init();" before using this method.');return this.backend.hasCompatibility(e)}_renderObjectDirect(e,t,r,s,i,n,a,o){const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,a,o);if(u.drawRange=e.geometry.drawRange,u.group=n,null!==this._currentRenderBundle){this.backend.get(this._currentRenderBundle).renderObjects.push(u),u.bundle=this._currentRenderBundle.bundleGroup}const l=this._nodes.needsRefresh(u);l&&(this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u)),this._pipelines.updateForRender(u),this._pipelines.isReady(u)&&(this.backend.draw(u,this.info),l&&this._nodes.updateAfter(u))}_createObjectPipeline(e,t,r,s,i,n,a,o){if(null!==this._compilationPromises)return void this._compilationPromises.push({object:e,material:t,scene:r,camera:s,lightsNode:i,group:n,clippingContext:a,passId:o,renderContext:this._currentRenderContext});const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,a,o);u.drawRange=e.geometry.drawRange,u.group=n,this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u),this._pipelines.getForRender(u,this._compilationPromises),this._nodes.updateAfter(u)}_onCanvasTargetResize(){this._initialized&&this.backend.updateSize()}get compile(){return this.compileAsync}}class FR{constructor(e=""){this.name=e,this.visibility=0}setVisibility(e){this.visibility|=e}getVisibility(){return this.visibility}clone(){return Object.assign(new this.constructor,this)}}function PR(e){return e+(eb-e%eb)%eb}class UR extends FR{constructor(e,t=null){super(e),this.isBuffer=!0,this.bytesPerElement=Float32Array.BYTES_PER_ELEMENT,this._buffer=t,this._updateRanges=[]}get updateRanges(){return this._updateRanges}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}get byteLength(){return PR(this._buffer.byteLength)}get buffer(){return this._buffer}update(){return!0}release(){this._buffer=null}}class DR extends UR{constructor(e,t=null){super(e,t),this.isUniformBuffer=!0}}let IR=0;class OR extends DR{constructor(e,t){super("UniformBuffer_"+IR++,e?e.value:null),this.nodeUniform=e,this.groupNode=t,this.isNodeUniformBuffer=!0}set updateRanges(e){this.nodeUniform.updateRanges=e}get updateRanges(){return this.nodeUniform.updateRanges}addUpdateRange(e,t){this.nodeUniform.addUpdateRange(e,t)}clearUpdateRanges(){this.nodeUniform.clearUpdateRanges()}get byteLength(){return PR(this.buffer.byteLength)}get buffer(){return this.nodeUniform.value}}class VR extends DR{constructor(e){super(e),this.isUniformsGroup=!0,this._values=null,this.uniforms=[],this._updateRangeCache=new Map,this._addedIndices=new Set}addUniformUpdateRange(e){const t=e.index;if(this._addedIndices.has(t))return;let r=this._updateRangeCache.get(t);void 0===r&&(r={start:0,count:0},this._updateRangeCache.set(t,r)),r.start=e.offset,r.count=e.itemSize,this._addedIndices.add(t),this.updateRanges.push(r)}clearUpdateRanges(){this._addedIndices.clear(),super.clearUpdateRanges()}addUniform(e){return this.uniforms.push(e),this}removeUniform(e){const t=this.uniforms.indexOf(e);return-1!==t&&this.uniforms.splice(t,1),this}get values(){return null===this._values&&(this._values=Array.from(this.buffer)),this._values}get buffer(){let e=this._buffer;if(null===e){const t=this.byteLength;e=new Float32Array(new ArrayBuffer(t)),this._buffer=e}return e}get byteLength(){const e=this.bytesPerElement;let t=0;for(let r=0,s=this.uniforms.length;r<s;r++){const s=this.uniforms[r],i=s.boundary,n=s.itemSize*e,a=t%eb,o=a%i,u=a+o;t+=o,0!==u&&eb-u<n&&(t+=eb-u),s.offset=t/e,s.index=r,t+=n}return Math.ceil(t/eb)*eb}update(){let e=!1;for(const t of this.uniforms)!0===this.updateByType(t)&&(e=!0);return e}release(){super.release(),this._values=null}updateByType(e){return e.isNumberUniform?this.updateNumber(e):e.isVector2Uniform?this.updateVector2(e):e.isVector3Uniform?this.updateVector3(e):e.isVector4Uniform?this.updateVector4(e):e.isColorUniform?this.updateColor(e):e.isMatrix3Uniform?this.updateMatrix3(e):e.isMatrix4Uniform?this.updateMatrix4(e):void o("WebGPUUniformsGroup: Unsupported uniform type.",e)}updateNumber(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i]!==s){this._getBufferForType(n)[i]=r[i]=s,t=!0,this.addUniformUpdateRange(e)}return t}updateVector2(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y){const a=this._getBufferForType(n);a[i+0]=r[i+0]=s.x,a[i+1]=r[i+1]=s.y,t=!0,this.addUniformUpdateRange(e)}return t}updateVector3(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y||r[i+2]!==s.z){const a=this._getBufferForType(n);a[i+0]=r[i+0]=s.x,a[i+1]=r[i+1]=s.y,a[i+2]=r[i+2]=s.z,t=!0,this.addUniformUpdateRange(e)}return t}updateVector4(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y||r[i+2]!==s.z||r[i+3]!==s.w){const a=this._getBufferForType(n);a[i+0]=r[i+0]=s.x,a[i+1]=r[i+1]=s.y,a[i+2]=r[i+2]=s.z,a[i+3]=r[i+3]=s.w,t=!0,this.addUniformUpdateRange(e)}return t}updateColor(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset;if(r[i+0]!==s.r||r[i+1]!==s.g||r[i+2]!==s.b){const n=this.buffer;n[i+0]=r[i+0]=s.r,n[i+1]=r[i+1]=s.g,n[i+2]=r[i+2]=s.b,t=!0,this.addUniformUpdateRange(e)}return t}updateMatrix3(e){let t=!1;const r=this.values,s=e.getValue().elements,i=e.offset;if(r[i+0]!==s[0]||r[i+1]!==s[1]||r[i+2]!==s[2]||r[i+4]!==s[3]||r[i+5]!==s[4]||r[i+6]!==s[5]||r[i+8]!==s[6]||r[i+9]!==s[7]||r[i+10]!==s[8]){const n=this.buffer;n[i+0]=r[i+0]=s[0],n[i+1]=r[i+1]=s[1],n[i+2]=r[i+2]=s[2],n[i+4]=r[i+4]=s[3],n[i+5]=r[i+5]=s[4],n[i+6]=r[i+6]=s[5],n[i+8]=r[i+8]=s[6],n[i+9]=r[i+9]=s[7],n[i+10]=r[i+10]=s[8],t=!0,this.addUniformUpdateRange(e)}return t}updateMatrix4(e){let t=!1;const r=this.values,s=e.getValue().elements,i=e.offset;if(!1===function(e,t,r){for(let s=0,i=t.length;s<i;s++)if(e[r+s]!==t[s])return!1;return!0}(r,s,i)){this.buffer.set(s,i),function(e,t,r){for(let s=0,i=t.length;s<i;s++)e[r+s]=t[s]}(r,s,i),t=!0,this.addUniformUpdateRange(e)}return t}_getBufferForType(e){return"int"===e||"ivec2"===e||"ivec3"===e||"ivec4"===e?new Int32Array(this.buffer.buffer):"uint"===e||"uvec2"===e||"uvec3"===e||"uvec4"===e?new Uint32Array(this.buffer.buffer):this.buffer}}let kR=0;class GR extends VR{constructor(e,t){super(e),this.id=kR++,this.groupNode=t,this.isNodeUniformsGroup=!0}}class $R extends FR{constructor(e,t){super(e),this._texture=t,this.version=-1,this.generation=null,this.samplerKey="",this.isSampler=!0}set texture(e){this._texture!==e&&(this._texture=e,this.reset())}get texture(){return this._texture}update(){const{texture:e,version:t}=this;return t!==e.version&&(this.version=e.version,!0)}reset(){this.generation=null,this.version=-1}release(){this._texture=null}}let zR=0;class WR extends $R{constructor(e,t){super(e,t),this.id=zR++,this.store=!1,this.mipLevel=0,this.isSampledTexture=!0}}class HR extends WR{constructor(e,t,r,s=null){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r,this.access=s}update(){const{textureNode:e}=this;return this.texture!==e.value?(this.texture=e.value,!0):super.update()}}class jR extends HR{constructor(e,t,r,s=null){super(e,t,r,s),this.isSampledCubeTexture=!0}}class qR extends HR{constructor(e,t,r,s=null){super(e,t,r,s),this.isSampledTexture3D=!0}}const XR={bitcast_int_uint:new jT("uint tsl_bitcast_int_to_uint ( int x ) { return floatBitsToUint( intBitsToFloat ( x ) ); }"),bitcast_uint_int:new jT("uint tsl_bitcast_uint_to_int ( uint x ) { return floatBitsToInt( uintBitsToFloat ( x ) ); }"),textureGather:new jT("\nvec4 tsl_textureGather( const int comp, sampler2D map, vec2 coord, ivec2 offset, bool flipY ) {\n\tif ( flipY ) offset.y = - offset.y;\n\tvec2 size = vec2( textureSize( map, 0 ) );\n\tvec2 st = floor( coord * size + vec2( offset ) - 0.5 );\n\tvec4 ij = vec4( st + 0.5, st + 1.5 ) / size.xyxy;\n\tvec4 ret = vec4(\n\t\ttextureLod( map, ij.xw, 0.0 )[ comp ],\n\t\ttextureLod( map, ij.zw, 0.0 )[ comp ],\n\t\ttextureLod( map, ij.zy, 0.0 )[ comp ],\n\t\ttextureLod( map, ij.xy, 0.0 )[ comp ]\n\t);\n\treturn flipY ? ret.wzyx : ret;\n}\n"),textureGatherArray:new jT("\nvec4 tsl_textureGather_array( const int comp, sampler2DArray map, vec3 coord, ivec2 offset, bool flipY ) {\n\tif ( flipY ) offset.y = - offset.y;\n\tvec2 size = vec2( textureSize( map, 0 ).xy );\n\tvec2 st = floor( coord.xy * size + vec2( offset ) - 0.5 );\n\tvec4 ij = vec4( st + 0.5, st + 1.5 ) / size.xyxy;\n\tvec4 ret = vec4(\n\t\ttextureLod( map, vec3( ij.xw, coord.z ), 0.0 )[ comp ],\n\t\ttextureLod( map, vec3( ij.zw, coord.z ), 0.0 )[ comp ],\n\t\ttextureLod( map, vec3( ij.zy, coord.z ), 0.0 )[ comp ],\n\t\ttextureLod( map, vec3( ij.xy, coord.z ), 0.0 )[ comp ]\n\t);\n\treturn flipY ? ret.wzyx : ret;\n}\n"),textureGatherCompare:new jT("\nvec4 tsl_textureGatherCompare( sampler2DShadow map, vec2 coord, ivec2 offset, float ref, bool flipY ) {\n\tif ( flipY ) offset.y = - offset.y;\n\tvec2 size = vec2( textureSize( map, 0 ) );\n\tvec2 st = floor( coord * size + vec2( offset ) - 0.5 );\n\tvec4 ij = vec4( st + 0.5, st + 1.5 ) / size.xyxy;\n\tvec4 ret = vec4(\n\t\ttextureLod( map, vec3( ij.xw, ref ), 0.0 ),\n\t\ttextureLod( map, vec3( ij.zw, ref ), 0.0 ),\n\t\ttextureLod( map, vec3( ij.zy, ref ), 0.0 ),\n\t\ttextureLod( map, vec3( ij.xy, ref ), 0.0 )\n\t);\n\treturn flipY ? ret.wzyx : ret;\n}\n"),textureGatherCompareArray:new jT("\nvec4 tsl_textureGatherCompare_array( sampler2DArrayShadow map, vec3 coord, ivec2 offset, float ref, bool flipY ) {\n\tif ( flipY ) offset.y = - offset.y;\n\tvec2 size = vec2( textureSize( map, 0 ).xy );\n\tvec2 st = floor( coord.xy * size + vec2( offset ) - 0.5 );\n\tvec4 ij = vec4( st + 0.5, st + 1.5 ) / size.xyxy;\n\tvec4 ret = vec4(\n\t\ttexture( map, vec4( ij.xw, coord.z, ref ) ),\n\t\ttexture( map, vec4( ij.zw, coord.z, ref ) ),\n\t\ttexture( map, vec4( ij.zy, coord.z, ref ) ),\n\t\ttexture( map, vec4( ij.xy, coord.z, ref ) )\n\t);\n\treturn flipY ? ret.wzyx : ret;\n}\n")},YR={textureDimensions:"textureSize",equals:"equal",bitcast_float_int:"floatBitsToInt",bitcast_int_float:"intBitsToFloat",bitcast_uint_float:"uintBitsToFloat",bitcast_float_uint:"floatBitsToUint",bitcast_uint_int:"tsl_bitcast_uint_to_int",bitcast_int_uint:"tsl_bitcast_int_to_uint",floatpack_snorm_2x16:"packSnorm2x16",floatpack_unorm_2x16:"packUnorm2x16",floatpack_float16_2x16:"packHalf2x16",floatunpack_snorm_2x16:"unpackSnorm2x16",floatunpack_unorm_2x16:"unpackUnorm2x16",floatunpack_float16_2x16:"unpackHalf2x16"},QR={low:"lowp",medium:"mediump",high:"highp"},KR={swizzleAssign:!0,storageBuffer:!1},ZR={perspective:"smooth",linear:"noperspective"},JR={centroid:"centroid"},eE="\nprecision highp float;\nprecision highp int;\nprecision highp sampler2D;\nprecision highp sampler3D;\nprecision highp samplerCube;\nprecision highp sampler2DArray;\n\nprecision highp usampler2D;\nprecision highp usampler3D;\nprecision highp usamplerCube;\nprecision highp usampler2DArray;\n\nprecision highp isampler2D;\nprecision highp isampler3D;\nprecision highp isamplerCube;\nprecision highp isampler2DArray;\n\nprecision highp sampler2DShadow;\nprecision highp sampler2DArrayShadow;\nprecision highp samplerCubeShadow;\n";class tE extends BS{constructor(e,t){super(e,t,new ZS),this.uniformGroups={},this.transforms=[],this.extensions={},this.builtins={vertex:[],fragment:[],compute:[]}}needsToWorkingColorSpace(e){return!0===e.isVideoTexture&&e.colorSpace!==T}_include(e){const t=XR[e];return t.build(this),this.addInclude(t),t}getMethod(e){return void 0!==XR[e]&&this._include(e),YR[e]||e}getBitcastMethod(e,t){return this.getMethod(`bitcast_${t}_${e}`)}getFloatPackingMethod(e){return this.getMethod(`floatpack_${e}_2x16`)}getFloatUnpackingMethod(e){return this.getMethod(`floatunpack_${e}_2x16`)}getTernary(e,t,r){return`${e} ? ${t} : ${r}`}getOutputStructName(){return""}buildFunctionCode(e){const t=e.layout,r=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(this.getType(e.type)+" "+e.name);return`${this.getType(t.type)} ${t.name}( ${s.join(", ")} ) {\n\n\t${r.vars}\n\n${r.code}\n\treturn ${r.result};\n\n}`}setupPBO(e){const t=e.value;if(void 0===t.pbo){const e=t.array,r=t.count*t.itemSize,{itemSize:s}=t,i=t.array.constructor.name.toLowerCase().includes("int");let n=i?We:ze;2===s?n=i?qe:z:3===s?n=i?Ye:Xe:4===s&&(n=i?Ft:Ee);const a={Float32Array:Y,Uint8Array:Ve,Uint16Array:Ge,Uint32Array:S,Int8Array:Oe,Int16Array:ke,Int32Array:R,Uint8ClampedArray:Ve},o=Math.pow(2,Math.ceil(Math.log2(Math.sqrt(r/s))));let u=Math.ceil(r/s/o);o*u*s<r&&u++;const l=o*u*s,d=new e.constructor(l);d.set(e,0),t.array=d;const c=new xe(t.array,o,u,n,a[t.array.constructor.name]||Y);c.needsUpdate=!0,c.isPBOTexture=!0;const h=new ed(c,null,null);h.setPrecision("high"),t.pboNode=h,t.pbo=h.value,this.getUniformFromNode(t.pboNode,"texture",this.shaderStage,this.context.nodeName)}}getPropertyName(e,t=this.shaderStage){return e.isNodeUniform&&!0!==e.node.isTextureNode&&!0!==e.node.isBufferNode?e.name:super.getPropertyName(e,t)}generatePBO(e){const{node:t,indexNode:r}=e,s=t.value;if(this.renderer.backend.has(s)){this.renderer.backend.get(s).pbo=s.pbo}const i=this.getUniformFromNode(s.pboNode,"texture",this.shaderStage,this.context.nodeName),n=this.getPropertyName(i);this.increaseUsage(r);const a=r.build(this,"uint"),o=this.getDataFromNode(e);let u=o.propertyName;if(void 0===u){const r=this.getVarFromNode(e);u=this.getPropertyName(r);const i=this.getDataFromNode(t);let l=i.propertySizeName;void 0===l&&(l=u+"Size",this.getVarFromNode(t,l,"uint"),this.addLineFlowCode(`${l} = uint( textureSize( ${n}, 0 ).x )`,e),i.propertySizeName=l);const{itemSize:d}=s,c="."+di.join("").slice(0,d),h=`ivec2(${a} % ${l}, ${a} / ${l})`,p=this.generateTextureLoad(null,n,h,"0",null,null);let g="vec4";s.pbo.type===S?g="uvec4":s.pbo.type===R&&(g="ivec4"),this.addLineFlowCode(`${u} = ${g}(${p})${c}`,e),o.propertyName=u}return u}generateTextureLoad(e,t,r,s,i,n){let a;return null===s&&(s="0"),a=i?n?`texelFetchOffset( ${t}, ivec3( ${r}, ${i} ), int( ${s} ), ${n} )`:`texelFetch( ${t}, ivec3( ${r}, ${i} ), int( ${s} ) )`:n?`texelFetchOffset( ${t}, ${r}, int( ${s} ), ${n} )`:`texelFetch( ${t}, ${r}, int( ${s} ) )`,null!==e&&e.isDepthTexture&&(a+=".x"),a}generateTexture(e,t,r,s,i){return s&&(r=`vec3( ${r}, ${s} )`),e.isDepthTexture?i?`textureOffset( ${t}, ${r}, ${i} ).x`:`texture( ${t}, ${r} ).x`:i?`textureOffset( ${t}, ${r}, ${i} )`:`texture( ${t}, ${r} )`}generateTextureLevel(e,t,r,s,i,n){return i&&(r=`vec3( ${r}, ${i} )`),n?`textureLodOffset( ${t}, ${r}, ${s}, ${n} )`:`textureLod( ${t}, ${r}, ${s} )`}generateTextureBias(e,t,r,s,i,n){return i&&(r=`vec3( ${r}, ${i} )`),n?`textureOffset( ${t}, ${r}, ${n}, ${s} )`:`texture( ${t}, ${r}, ${s} )`}generateTextureGrad(e,t,r,s,i,n){return i&&(r=`vec3( ${r}, ${i} )`),n?`textureGradOffset( ${t}, ${r}, ${s[0]}, ${s[1]}, ${n} )`:`textureGrad( ${t}, ${r}, ${s[0]}, ${s[1]} )`}generateTextureCompare(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return e.isCubeTexture?`texture( ${t}, vec4( ${r}, ${s} ) )`:i?n?`textureOffset( ${t}, vec4( ${r}, ${i}, ${s} ), ${n} )`:`texture( ${t}, vec4( ${r}, ${i}, ${s} ) )`:n?`textureOffset( ${t}, vec3( ${r}, ${s} ), ${n} )`:`texture( ${t}, vec3( ${r}, ${s} ) )`;o(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${a} shader.`)}generateTextureGather(e,t,r,s,i,n,a){return e.isDepthTexture&&(s="0"),null===n&&(n="ivec2( 0 )"),null===a&&(a="false"),i?(this._include("textureGatherArray"),`tsl_textureGather_array( ${s}, ${t}, vec3( ${r}, ${i} ), ${n}, ${a} )`):(this._include("textureGather"),`tsl_textureGather( ${s}, ${t}, ${r}, ${n}, ${a} )`)}generateTextureGatherCompare(e,t,r,s,i,n,a){return null===n&&(n="ivec2( 0 )"),null===a&&(a="false"),i?(this._include("textureGatherCompareArray"),`tsl_textureGatherCompare_array( ${t}, vec3( ${r}, ${i} ), ${n}, ${s}, ${a} )`):(this._include("textureGatherCompare"),`tsl_textureGatherCompare( ${t}, ${r}, ${n}, ${s}, ${a} )`)}getUniforms(e){const t=this.uniforms[e],r=[],s={};for(const e of t){let t=null,i=!1;if("texture"===e.type||"texture3D"===e.type){const r=e.node,s=r.value;let i="";!0!==s.isDataTexture&&!0!==s.isData3DTexture||(s.type===S?i="u":s.type===R&&(i="i")),t="texture3D"===e.type&&!1===s.isArrayTexture?`${i}sampler3D ${e.name};`:s.compareFunction&&null!==r.compareNode?!0===s.isArrayTexture?`sampler2DArrayShadow ${e.name};`:`sampler2DShadow ${e.name};`:!0===s.isArrayTexture||!0===s.isDataArrayTexture||!0===s.isCompressedArrayTexture?`${i}sampler2DArray ${e.name};`:`${i}sampler2D ${e.name};`}else if("cubeTexture"===e.type)t=`samplerCube ${e.name};`;else if("cubeDepthTexture"===e.type){t=e.node.value.compareFunction?`samplerCubeShadow ${e.name};`:`samplerCube ${e.name};`}else if("buffer"===e.type){const r=e.node,s=this.getType(r.bufferType),i=r.bufferCount,n=i>0?i:"";t=`${r.name} {\n\t${s} ${e.name}[${n}];\n};\n`}else{const t=e.groupNode.name;if(void 0===s[t]){const e=this.uniformGroups[t];if(void 0!==e){const r=[];for(const t of e.uniforms){const e=t.getType(),s=this.getVectorType(e),i=t.nodeUniform.node.precision;let n=`${s} ${t.name};`;null!==i&&(n=QR[i]+" "+n),r.push("\t"+n)}s[t]=r}}i=!0}if(!i){const s=e.node.precision;null!==s&&(t=QR[s]+" "+t),t="uniform "+t,r.push(t)}}let i="";for(const e in s){const t=s[e];i+=this._getGLSLUniformStruct(e,t.join("\n"))+"\n"}return i+=r.join("\n"),i}getTypeFromAttribute(e){let t=super.getTypeFromAttribute(e);if(/^[iu]/.test(t)&&e.gpuType!==R){let r=e;e.isInterleavedBufferAttribute&&(r=e.data);const s=r.array;!1==(s instanceof Uint32Array||s instanceof Int32Array)&&(t=t.slice(1))}return t}getAttributes(e){let t="";if("vertex"===e||"compute"===e){const e=this.getAttributesArray();let r=0;for(const s of e)t+=`layout( location = ${r++} ) in ${s.type} ${s.name};\n`}return t}getStructMembers(e){const t=[];for(const r of e.members)t.push(`\t${r.type} ${r.name};`);return t.join("\n")}getStructs(e){const t=[],r=this.structs[e],s=[];for(const e of r)if(e.output)for(const t of e.members)s.push(`layout( location = ${t.index} ) out ${t.type} ${t.name};`);else{let r="struct "+e.name+" {\n";r+=this.getStructMembers(e),r+="\n};\n",t.push(r)}return"fragment"===e&&0===s.length&&s.push(`layout( location = 0 ) out ${this.getOutputType()} fragColor;`),"\n"+s.join("\n")+"\n\n"+t.join("\n")}getVaryings(e){let t="";const r=this.varyings;if("vertex"===e||"compute"===e)for(const s of r){"compute"===e&&(s.needsInterpolation=!0);const r=this.getType(s.type);if(s.needsInterpolation)if(s.interpolationType){t+=`${ZR[s.interpolationType]||s.interpolationType} ${JR[s.interpolationSampling]||""} out ${r} ${s.name};\n`}else{t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}out ${r} ${s.name};\n`}else t+=`${r} ${s.name};\n`}else if("fragment"===e)for(const e of r)if(e.needsInterpolation){const r=this.getType(e.type);if(e.interpolationType){t+=`${ZR[e.interpolationType]||e.interpolationType} ${JR[e.interpolationSampling]||""} in ${r} ${e.name};\n`}else{t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}in ${r} ${e.name};\n`}}for(const r of this.builtins[e])t+=`${r};\n`;return t}getVertexIndex(){return"uint( gl_VertexID )"}getInstanceIndex(){return"uint( gl_InstanceID )"}getInvocationLocalIndex(){return`uint( gl_InstanceID ) % ${this.object.workgroupSize.reduce((e,t)=>e*t,1)}u`}getSubgroupSize(){o("GLSLNodeBuilder: WebGLBackend does not support the subgroupSize node")}getInvocationSubgroupIndex(){o("GLSLNodeBuilder: WebGLBackend does not support the invocationSubgroupIndex node")}getSubgroupIndex(){o("GLSLNodeBuilder: WebGLBackend does not support the subgroupIndex node")}getDrawIndex(){return this.renderer.backend.extensions.has("WEBGL_multi_draw")?"uint( gl_DrawID )":"nodeUniformDrawId"}getFrontFacing(){return"gl_FrontFacing"}getFragCoord(){return"gl_FragCoord.xy"}getFragDepth(){return"gl_FragDepth"}enableExtension(e,t,r=this.shaderStage){const s=this.extensions[r]||(this.extensions[r]=new Map);!1===s.has(e)&&s.set(e,{name:e,behavior:t})}getExtensions(e){const t=[];if("vertex"===e){const t=this.renderer.backend.extensions;this.object.isBatchedMesh&&t.has("WEBGL_multi_draw")&&this.enableExtension("GL_ANGLE_multi_draw","require",e)}const r=this.extensions[e];if(void 0!==r)for(const{name:e,behavior:s}of r.values())t.push(`#extension ${e} : ${s}`);return t.join("\n")}getClipDistance(){return"gl_ClipDistance"}isAvailable(e){let t=KR[e];if(void 0===t){let r;switch(t=!1,e){case"float32Filterable":r="OES_texture_float_linear";break;case"clipDistance":r="WEBGL_clip_cull_distance"}if(void 0!==r){const e=this.renderer.backend.extensions;e.has(r)&&(e.get(r),t=!0)}KR[e]=t}return t}isFlipY(){return!0}enableHardwareClipping(e){this.enableExtension("GL_ANGLE_clip_cull_distance","require"),this.builtins.vertex.push(`out float gl_ClipDistance[ ${e} ]`)}enableMultiview(){this.enableExtension("GL_OVR_multiview2","require","fragment"),this.enableExtension("GL_OVR_multiview2","require","vertex"),this.builtins.vertex.push("layout(num_views = 2) in")}registerTransform(e,t){this.transforms.push({varyingName:e,attributeNode:t})}getTransforms(){const e=this.transforms;let t="";for(let r=0;r<e.length;r++){const s=e[r],i=this.getPropertyName(s.attributeNode);i&&(t+=`${s.varyingName} = ${i};\n\t`)}return t}_getGLSLUniformStruct(e,t){return`\nlayout( std140 ) uniform ${e} {\n${t}\n};`}_getGLSLVertexCode(e){return`#version 300 es\n\n${this.getSignature()}\n\n// extensions\n${e.extensions}\n\n// precision\n${eE}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\n\n// attributes\n${e.attributes}\n\n// vars\n${e.vars}\n\n// codes\n${e.codes}\n\nvoid main() {\n\n\t// transforms\n\t${e.transforms}\n\n\t// flow\n\t${e.flow}\n\n\tgl_PointSize = 1.0;\n\n}\n`}_getGLSLFragmentCode(e){return`#version 300 es\n\n${this.getSignature()}\n\n// extensions\n${e.extensions}\n\n// precision\n${eE}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\n\n// vars\n${e.vars}\n\n// codes\n${e.codes}\n\nvoid main() {\n\n\t// flow\n\t${e.flow}\n\n}\n`}buildCode(){const e=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){let r="// code\n\n";r+=this.flowCode[t];const s=this.flowNodes[t],i=s[s.length-1];for(const e of s){const s=this.getFlowData(e),n=e.name;n&&(r.length>0&&(r+="\n"),r+=`\t// flow -> ${n}\n\t`),r+=`${s.code}\n\t`,e===i&&"compute"!==t&&(r+="// result\n\t","vertex"===t?(r+="gl_Position = ",r+=`${this.format(s.result,i.getNodeType(this),"vec4")};`):"fragment"===t&&(e.outputNode.isOutputStructNode||(r+="fragColor = ",r+=`${this.format(s.result,i.getNodeType(this),this.getOutputType())};`)))}const n=e[t];if(n.extensions=this.getExtensions(t),n.uniforms=this.getUniforms(t),n.attributes=this.getAttributes(t),n.varyings=this.getVaryings(t),n.vars=this.getVars(t,!0),n.structs=this.getStructs(t),n.codes=this.getCodes(t),n.transforms=this.getTransforms(t),n.flow=r,"vertex"===t){const e=this.renderer.backend.extensions;this.object.isBatchedMesh&&!1===e.has("WEBGL_multi_draw")&&(n.uniforms+="\nuniform uint nodeUniformDrawId;\n")}}null!==this.material?(this.vertexShader=this._getGLSLVertexCode(e.vertex),this.fragmentShader=this._getGLSLFragmentCode(e.fragment)):this.computeShader=this._getGLSLVertexCode(e.compute)}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);let a=n.uniformGPU;if(void 0===a){const s=e.groupNode,o=s.name,u=this.getBindGroupArray(o,r);if("texture"===t)a=new HR(i.name,i.node,s),u.push(a);else if("cubeTexture"===t||"cubeDepthTexture"===t)a=new jR(i.name,i.node,s),u.push(a);else if("texture3D"===t)a=new qR(i.name,i.node,s),u.push(a);else if("buffer"===t){i.name=`buffer${e.id}`;const t=this.getSharedDataFromNode(e);let r=t.buffer;void 0===r&&(e.name=`NodeBuffer_${e.id}`,r=new OR(e,s),r.name=e.name,t.buffer=r),u.push(r),a=r}else{let e=this.uniformGroups[o];void 0===e?(e=new GR(o,s),this.uniformGroups[o]=e,u.push(e)):-1===u.indexOf(e)&&u.push(e),a=this.getNodeUniform(i,t);const r=a.name;e.uniforms.some(e=>e.name===r)||e.addUniform(a)}n.uniformGPU=a}return i}}let rE=null,sE=null;class iE{constructor(e={}){this.parameters=Object.assign({},e),this.data=new WeakMap,this.renderer=null,this.domElement=null,this.timestampQueryPool={[Pt.RENDER]:null,[Pt.COMPUTE]:null},this.trackTimestamp=!0===e.trackTimestamp}async init(e){this.renderer=e}get coordinateSystem(){}beginRender(){}finishRender(){}setXRTarget(){}beginCompute(){}finishCompute(){}draw(){}compute(){}createProgram(){}destroyProgram(){}createBindings(){}updateBindings(){}updateBinding(){}createRenderPipeline(){}createComputePipeline(){}needsRenderUpdate(){}getRenderCacheKey(){}createNodeBuilder(){}updateSampler(){}createDefaultTexture(){}createTexture(){}updateTexture(){}generateMipmaps(){}destroyTexture(){}async copyTextureToBuffer(){}copyTextureToTexture(){}copyFramebufferToTexture(){}createAttribute(){}createIndexAttribute(){}createStorageAttribute(){}createUniformBuffer(){}destroyUniformBuffer(){}updateAttribute(){}destroyAttribute(){}getContext(){}updateSize(){}updateViewport(){}updateTimeStampUID(e){const t=this.get(e),r=this.renderer.info.frame;let s;s=!0===e.isComputeNode?"c:"+this.renderer.info.compute.frameCalls:"r:"+this.renderer.info.render.frameCalls,t.timestampUID=s+":"+e.id+":f"+r}getTimestampUID(e){return this.get(e).timestampUID}getTimestampFrames(e){const t=this.timestampQueryPool[e];return t?t.getTimestampFrames():[]}_getQueryPool(e){const t=e.startsWith("c:")?Pt.COMPUTE:Pt.RENDER;return this.timestampQueryPool[t]}getTimestamp(e){return this._getQueryPool(e).getTimestamp(e)}get hasTimestamp(){return!1}hasTimestampQuery(e){return this._getQueryPool(e).hasTimestampQuery(e)}isOccluded(){}async resolveTimestampsAsync(e="render"){if(!this.trackTimestamp)return void v("WebGPURenderer: Timestamp tracking is disabled.");const t=this.timestampQueryPool[e];if(!t)return;const r=await t.resolveQueriesAsync();return this.renderer.info[e].timestamp=r,r}async getArrayBufferAsync(){}async hasFeatureAsync(){}hasFeature(){}getDrawingBufferSize(){return rE=rE||new t,this.renderer.getDrawingBufferSize(rE)}setScissorTest(){}getClearColor(){const e=this.renderer;return sE=sE||new wb,e.getClearColor(sE),sE.getRGB(sE),sE}getDomElement(){let e=this.domElement;return null===e&&(e=void 0!==this.parameters.canvas?this.parameters.canvas:Ut(),"setAttribute"in e&&e.setAttribute("data-engine",`three.js r${_t} webgpu`),this.domElement=e),e}hasCompatibility(){return!1}initRenderTarget(){}set(e,t){this.data.set(e,t)}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}has(e){return this.data.has(e)}delete(e){this.data.delete(e)}deleteBindGroupData(){}dispose(){}}let nE,aE,oE=0;class uE{constructor(e,t){this.buffers=[e.bufferGPU,t],this.type=e.type,this.bufferType=e.bufferType,this.pbo=e.pbo,this.byteLength=e.byteLength,this.bytesPerElement=e.BYTES_PER_ELEMENT,this.version=e.version,this.isInteger=e.isInteger,this.activeBufferIndex=0,this.baseId=e.id}get id(){return`${this.baseId}|${this.activeBufferIndex}`}get bufferGPU(){return this.buffers[this.activeBufferIndex]}get transformBuffer(){return this.buffers[1^this.activeBufferIndex]}switchBuffers(){this.activeBufferIndex^=1}}class lE{constructor(e){this.backend=e}createAttribute(e,t){const r=this.backend,{gl:s}=r,i=e.array,n=e.usage||s.STATIC_DRAW,a=e.isInterleavedBufferAttribute?e.data:e,o=r.get(a);let u,l=o.bufferGPU;if(void 0===l&&(l=this._createBuffer(s,t,i,n),o.bufferGPU=l,o.bufferType=t,o.version=a.version),i instanceof Float32Array)u=s.FLOAT;else if("undefined"!=typeof Float16Array&&i instanceof Float16Array)u=s.HALF_FLOAT;else if(i instanceof Uint16Array)u=e.isFloat16BufferAttribute?s.HALF_FLOAT:s.UNSIGNED_SHORT;else if(i instanceof Int16Array)u=s.SHORT;else if(i instanceof Uint32Array)u=s.UNSIGNED_INT;else if(i instanceof Int32Array)u=s.INT;else if(i instanceof Int8Array)u=s.BYTE;else if(i instanceof Uint8Array)u=s.UNSIGNED_BYTE;else{if(!(i instanceof Uint8ClampedArray))throw new Error("THREE.WebGLBackend: Unsupported buffer data format: "+i);u=s.UNSIGNED_BYTE}let d={bufferGPU:l,bufferType:t,type:u,byteLength:i.byteLength,bytesPerElement:i.BYTES_PER_ELEMENT,version:e.version,pbo:e.pbo,isInteger:u===s.INT||u===s.UNSIGNED_INT||e.gpuType===R,id:oE++};if(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute){const e=this._createBuffer(s,t,i,n);d=new uE(d,e)}r.set(e,d)}updateAttribute(e){const t=this.backend,{gl:r}=t,s=e.array,i=e.isInterleavedBufferAttribute?e.data:e,n=t.get(i),a=n.bufferType,o=e.isInterleavedBufferAttribute?e.data.updateRanges:e.updateRanges;if(r.bindBuffer(a,n.bufferGPU),0===o.length)r.bufferSubData(a,0,s);else{for(let e=0,t=o.length;e<t;e++){const t=o[e];r.bufferSubData(a,t.start*s.BYTES_PER_ELEMENT,s,t.start,t.count)}i.clearUpdateRanges()}r.bindBuffer(a,null),n.version=i.version}destroyAttribute(e){const t=this.backend,{gl:r}=t;e.isInterleavedBufferAttribute&&t.delete(e.data);const s=t.get(e);r.deleteBuffer(s.bufferGPU),t.delete(e)}async getArrayBufferAsync(e,t=null,r=0,s=-1){const i=this.backend,{gl:n}=i,a=e.isInterleavedBufferAttribute?e.data:e,o=i.get(a),{bufferGPU:u}=o,l=-1===s?o.byteLength-r:s;let d;if(null===t)d=new Uint8Array(new ArrayBuffer(l));else if(t.isReadbackBuffer){if(!0===t._mapped)throw new Error("THREE.WebGPURenderer: ReadbackBuffer must be released before being used again.");const e=()=>{t.buffer=null,t._mapped=!1,t.removeEventListener("release",e),t.removeEventListener("dispose",e)};t.addEventListener("release",e),t.addEventListener("dispose",e),d=new Uint8Array(new ArrayBuffer(l)),t.buffer=d.buffer}else d=new Uint8Array(t);return n.bindBuffer(n.COPY_READ_BUFFER,u),n.getBufferSubData(n.COPY_READ_BUFFER,r,d),n.bindBuffer(n.COPY_READ_BUFFER,null),n.bindBuffer(n.COPY_WRITE_BUFFER,null),t&&t.isReadbackBuffer?t:d.buffer}_createBuffer(e,t,r,s){const i=e.createBuffer();return e.bindBuffer(t,i),e.bufferData(t,r,s),e.bindBuffer(t,null),i}}class dE{constructor(e){this.backend=e,this.gl=this.backend.gl,this.enabled={},this.parameters={},this.currentFlipSided=null,this.currentCullFace=null,this.currentProgram=null,this.currentBlendingEnabled=!1,this.currentBlending=null,this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentPremultipledAlpha=null,this.currentPolygonOffsetFactor=null,this.currentPolygonOffsetUnits=null,this.currentColorMask=null,this.currentDepthReversed=!1,this.currentDepthFunc=null,this.currentDepthMask=null,this.currentStencilFunc=null,this.currentStencilRef=null,this.currentStencilFuncMask=null,this.currentStencilFail=null,this.currentStencilZFail=null,this.currentStencilZPass=null,this.currentStencilMask=null,this.currentLineWidth=null,this.currentClippingPlanes=0,this.currentVAO=null,this.currentIndex=null,this.currentBoundFramebuffers={},this.currentDrawbuffers=new WeakMap,this.maxTextures=this.gl.getParameter(this.gl.MAX_TEXTURE_IMAGE_UNITS),this.currentTextureSlot=null,this.currentBoundTextures={},this.currentBoundBufferBases={},this._init()}_init(){const e=this.gl;nE={[it]:e.FUNC_ADD,[It]:e.FUNC_SUBTRACT,[Dt]:e.FUNC_REVERSE_SUBTRACT},aE={[Et]:e.ZERO,[Ht]:e.ONE,[Wt]:e.SRC_COLOR,[rt]:e.SRC_ALPHA,[zt]:e.SRC_ALPHA_SATURATE,[$t]:e.DST_COLOR,[Gt]:e.DST_ALPHA,[kt]:e.ONE_MINUS_SRC_COLOR,[st]:e.ONE_MINUS_SRC_ALPHA,[Vt]:e.ONE_MINUS_DST_COLOR,[Ot]:e.ONE_MINUS_DST_ALPHA};const t=e.getParameter(e.SCISSOR_BOX),r=e.getParameter(e.VIEWPORT);this.currentScissor=(new s).fromArray(t),this.currentViewport=(new s).fromArray(r),this._tempVec4=new s}enable(e){const{enabled:t}=this;!0!==t[e]&&(this.gl.enable(e),t[e]=!0)}disable(e){const{enabled:t}=this;!1!==t[e]&&(this.gl.disable(e),t[e]=!1)}setFlipSided(e){if(this.currentFlipSided!==e){const{gl:t}=this;e?t.frontFace(t.CW):t.frontFace(t.CCW),this.currentFlipSided=e}}setCullFace(e){const{gl:t}=this;e!==jt?(this.enable(t.CULL_FACE),e!==this.currentCullFace&&(e===qt?t.cullFace(t.BACK):e===Xt?t.cullFace(t.FRONT):t.cullFace(t.FRONT_AND_BACK))):this.disable(t.CULL_FACE),this.currentCullFace=e}setLineWidth(e){const{currentLineWidth:t,gl:r}=this;e!==t&&(r.lineWidth(e),this.currentLineWidth=e)}setMRTBlending(e,t,r){const s=this.gl,i=this.backend.drawBuffersIndexedExt;if(i)for(let n=0;n<e.length;n++){const a=e[n];let o=null;if(null!==t){const e=t.getBlendMode(a.name);e.blending===nt?o=r:e.blending!==re&&(o=e)}else o=r;null!==o?this._setMRTBlendingIndex(n,o):i.blendFuncSeparateiOES(n,s.ONE,s.ZERO,s.ONE,s.ZERO)}else v("WebGPURenderer: Multiple Render Targets (MRT) blending configuration is not fully supported in compatibility mode. The material blending will be used for all render targets.")}_setMRTBlendingIndex(e,t){const{gl:r}=this,s=this.backend.drawBuffersIndexedExt,i=t.blending,n=t.blendSrc,a=t.blendDst,o=t.blendEquation,u=t.premultipliedAlpha;if(i===Rt){const r=null!==t.blendSrcAlpha?t.blendSrcAlpha:n,i=null!==t.blendDstAlpha?t.blendDstAlpha:a,u=null!==t.blendEquationAlpha?t.blendEquationAlpha:o;s.blendEquationSeparateiOES(e,nE[o],nE[u]),s.blendFuncSeparateiOES(e,aE[n],aE[a],aE[r],aE[i])}else if(s.blendEquationSeparateiOES(e,r.FUNC_ADD,r.FUNC_ADD),u)switch(i){case tt:s.blendFuncSeparateiOES(e,r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA);break;case Kt:s.blendFuncSeparateiOES(e,r.ONE,r.ONE,r.ONE,r.ONE);break;case Qt:s.blendFuncSeparateiOES(e,r.ZERO,r.ONE_MINUS_SRC_COLOR,r.ZERO,r.ONE);break;case Yt:s.blendFuncSeparateiOES(e,r.DST_COLOR,r.ONE_MINUS_SRC_ALPHA,r.ZERO,r.ONE);break;default:s.blendFuncSeparateiOES(e,r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}else switch(i){case tt:s.blendFuncSeparateiOES(e,r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA);break;case Kt:s.blendFuncSeparateiOES(e,r.SRC_ALPHA,r.ONE,r.ONE,r.ONE);break;case Qt:s.blendFuncSeparateiOES(e,r.ZERO,r.ONE_MINUS_SRC_COLOR,r.ZERO,r.ONE);break;case Yt:s.blendFuncSeparateiOES(e,r.DST_COLOR,r.ONE_MINUS_SRC_ALPHA,r.ZERO,r.ONE);break;default:s.blendFuncSeparateiOES(e,r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}}setBlending(e,t,r,s,i,n,a,u){const{gl:l}=this;if(e!==re){if(!1===this.currentBlendingEnabled&&(this.enable(l.BLEND),this.currentBlendingEnabled=!0),e===Rt)i=i||t,n=n||r,a=a||s,t===this.currentBlendEquation&&i===this.currentBlendEquationAlpha||(l.blendEquationSeparate(nE[t],nE[i]),this.currentBlendEquation=t,this.currentBlendEquationAlpha=i),r===this.currentBlendSrc&&s===this.currentBlendDst&&n===this.currentBlendSrcAlpha&&a===this.currentBlendDstAlpha||(l.blendFuncSeparate(aE[r],aE[s],aE[n],aE[a]),this.currentBlendSrc=r,this.currentBlendDst=s,this.currentBlendSrcAlpha=n,this.currentBlendDstAlpha=a),this.currentBlending=e,this.currentPremultipledAlpha=!1;else if(e!==this.currentBlending||u!==this.currentPremultipledAlpha){if(this.currentBlendEquation===it&&this.currentBlendEquationAlpha===it||(l.blendEquation(l.FUNC_ADD),this.currentBlendEquation=it,this.currentBlendEquationAlpha=it),u)switch(e){case tt:l.blendFuncSeparate(l.ONE,l.ONE_MINUS_SRC_ALPHA,l.ONE,l.ONE_MINUS_SRC_ALPHA);break;case Kt:l.blendFunc(l.ONE,l.ONE);break;case Qt:l.blendFuncSeparate(l.ZERO,l.ONE_MINUS_SRC_COLOR,l.ZERO,l.ONE);break;case Yt:l.blendFuncSeparate(l.DST_COLOR,l.ONE_MINUS_SRC_ALPHA,l.ZERO,l.ONE);break;default:o("WebGLState: Invalid blending: ",e)}else switch(e){case tt:l.blendFuncSeparate(l.SRC_ALPHA,l.ONE_MINUS_SRC_ALPHA,l.ONE,l.ONE_MINUS_SRC_ALPHA);break;case Kt:l.blendFuncSeparate(l.SRC_ALPHA,l.ONE,l.ONE,l.ONE);break;case Qt:o("WebGLState: SubtractiveBlending requires material.premultipliedAlpha = true");break;case Yt:o("WebGLState: MultiplyBlending requires material.premultipliedAlpha = true");break;default:o("WebGLState: Invalid blending: ",e)}this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentBlending=e,this.currentPremultipledAlpha=u}}else!0===this.currentBlendingEnabled&&(this.disable(l.BLEND),this.currentBlendingEnabled=!1)}setColorMask(e){this.currentColorMask!==e&&(this.gl.colorMask(e,e,e,e),this.currentColorMask=e)}setDepthTest(e){const{gl:t}=this;e?this.enable(t.DEPTH_TEST):this.disable(t.DEPTH_TEST)}setReversedDepth(e){if(this.currentDepthReversed!==e){const t=this.backend.extensions.get("EXT_clip_control");e?t.clipControlEXT(t.LOWER_LEFT_EXT,t.ZERO_TO_ONE_EXT):t.clipControlEXT(t.LOWER_LEFT_EXT,t.NEGATIVE_ONE_TO_ONE_EXT),this.currentDepthReversed=e}}setDepthMask(e){this.currentDepthMask!==e&&(this.gl.depthMask(e),this.currentDepthMask=e)}setDepthFunc(e){if(this.currentDepthReversed&&(e=ar[e]),this.currentDepthFunc!==e){const{gl:t}=this;switch(e){case nr:t.depthFunc(t.NEVER);break;case ir:t.depthFunc(t.ALWAYS);break;case sr:t.depthFunc(t.LESS);break;case rr:t.depthFunc(t.LEQUAL);break;case tr:t.depthFunc(t.EQUAL);break;case er:t.depthFunc(t.GEQUAL);break;case Jt:t.depthFunc(t.GREATER);break;case Zt:t.depthFunc(t.NOTEQUAL);break;default:t.depthFunc(t.LEQUAL)}this.currentDepthFunc=e}}scissor(e,t,r,s){const i=this._tempVec4.set(e,t,r,s);if(!1===this.currentScissor.equals(i)){const{gl:e}=this;e.scissor(i.x,i.y,i.z,i.w),this.currentScissor.copy(i)}}viewport(e,t,r,s){const i=this._tempVec4.set(e,t,r,s);if(!1===this.currentViewport.equals(i)){const{gl:e}=this;e.viewport(i.x,i.y,i.z,i.w),this.currentViewport.copy(i)}}setScissorTest(e){const t=this.gl;e?this.enable(t.SCISSOR_TEST):this.disable(t.SCISSOR_TEST)}setStencilTest(e){const{gl:t}=this;e?this.enable(t.STENCIL_TEST):this.disable(t.STENCIL_TEST)}setStencilMask(e){this.currentStencilMask!==e&&(this.gl.stencilMask(e),this.currentStencilMask=e)}setStencilFunc(e,t,r){this.currentStencilFunc===e&&this.currentStencilRef===t&&this.currentStencilFuncMask===r||(this.gl.stencilFunc(e,t,r),this.currentStencilFunc=e,this.currentStencilRef=t,this.currentStencilFuncMask=r)}setStencilOp(e,t,r){this.currentStencilFail===e&&this.currentStencilZFail===t&&this.currentStencilZPass===r||(this.gl.stencilOp(e,t,r),this.currentStencilFail=e,this.currentStencilZFail=t,this.currentStencilZPass=r)}setMaterial(e,t,r){const{gl:s}=this;e.side===P?this.disable(s.CULL_FACE):this.enable(s.CULL_FACE);let i=e.side===F;t&&(i=!i),this.setFlipSided(i),e.blending===tt&&!1===e.transparent?this.setBlending(re):this.setBlending(e.blending,e.blendEquation,e.blendSrc,e.blendDst,e.blendEquationAlpha,e.blendSrcAlpha,e.blendDstAlpha,e.premultipliedAlpha),this.setDepthFunc(e.depthFunc),this.setDepthTest(e.depthTest),this.setDepthMask(e.depthWrite),this.setColorMask(e.colorWrite);const n=e.stencilWrite;if(this.setStencilTest(n),n&&(this.setStencilMask(e.stencilWriteMask),this.setStencilFunc(e.stencilFunc,e.stencilRef,e.stencilFuncMask),this.setStencilOp(e.stencilFail,e.stencilZFail,e.stencilZPass)),this.setPolygonOffset(e.polygonOffset,e.polygonOffsetFactor,e.polygonOffsetUnits),!0===e.alphaToCoverage&&this.backend.renderer.currentSamples>0?this.enable(s.SAMPLE_ALPHA_TO_COVERAGE):this.disable(s.SAMPLE_ALPHA_TO_COVERAGE),r>0&&this.currentClippingPlanes!==r){const e=12288;for(let t=0;t<8;t++)t<r?this.enable(e+t):this.disable(e+t)}}setPolygonOffset(e,t,r){const{gl:s}=this;e?(this.enable(s.POLYGON_OFFSET_FILL),this.currentPolygonOffsetFactor===t&&this.currentPolygonOffsetUnits===r||(s.polygonOffset(t,r),this.currentPolygonOffsetFactor=t,this.currentPolygonOffsetUnits=r)):this.disable(s.POLYGON_OFFSET_FILL)}useProgram(e){return this.currentProgram!==e&&(this.gl.useProgram(e),this.currentProgram=e,!0)}setVertexState(e,t=null){const r=this.gl;return(this.currentVAO!==e||this.currentIndex!==t)&&(r.bindVertexArray(e),null!==t&&r.bindBuffer(r.ELEMENT_ARRAY_BUFFER,t),this.currentVAO=e,this.currentIndex=t,!0)}resetVertexState(){const e=this.gl;e.bindVertexArray(null),e.bindBuffer(e.ELEMENT_ARRAY_BUFFER,null),this.currentVAO=null,this.currentIndex=null}bindFramebuffer(e,t){const{gl:r,currentBoundFramebuffers:s}=this;return s[e]!==t&&(r.bindFramebuffer(e,t),s[e]=t,e===r.DRAW_FRAMEBUFFER&&(s[r.FRAMEBUFFER]=t),e===r.FRAMEBUFFER&&(s[r.DRAW_FRAMEBUFFER]=t),!0)}drawBuffers(e,t){const{gl:r}=this;let s=[],i=!1;if(null!==e.textures){s=this.currentDrawbuffers.get(t),void 0===s&&(s=[],this.currentDrawbuffers.set(t,s));const n=e.textures;if(s.length!==n.length||s[0]!==r.COLOR_ATTACHMENT0){for(let e=0,t=n.length;e<t;e++)s[e]=r.COLOR_ATTACHMENT0+e;s.length=n.length,i=!0}}else s[0]!==r.BACK&&(s[0]=r.BACK,i=!0);i&&r.drawBuffers(s)}activeTexture(e){const{gl:t,currentTextureSlot:r,maxTextures:s}=this;void 0===e&&(e=t.TEXTURE0+s-1),r!==e&&(t.activeTexture(e),this.currentTextureSlot=e)}bindTexture(e,t,r){const{gl:s,currentTextureSlot:i,currentBoundTextures:n,maxTextures:a}=this;void 0===r&&(r=null===i?s.TEXTURE0+a-1:i);let o=n[r];void 0===o&&(o={type:void 0,texture:void 0},n[r]=o),o.type===e&&o.texture===t||(i!==r&&(s.activeTexture(r),this.currentTextureSlot=r),s.bindTexture(e,t),o.type=e,o.texture=t)}bindBufferBase(e,t,r){const{gl:s}=this,i=`${e}-${t}`;return this.currentBoundBufferBases[i]!==r&&(s.bindBufferBase(e,t,r),this.currentBoundBufferBases[i]=r,!0)}unbindTexture(){const{gl:e,currentTextureSlot:t,currentBoundTextures:r}=this,s=r[t];void 0!==s&&void 0!==s.type&&(e.bindTexture(s.type,null),s.type=void 0,s.texture=void 0)}getParameter(e){const{gl:t,parameters:r}=this;return void 0!==r[e]?r[e]:t.getParameter(e)}pixelStorei(e,t){const{gl:r,parameters:s}=this;s[e]!==t&&(r.pixelStorei(e,t),s[e]=t)}}class cE{constructor(e){this.backend=e,this.gl=this.backend.gl,this.extensions=e.extensions}convert(e,t=T){const{gl:r,extensions:s}=this;let i;const n=p.getTransfer(t);if(e===Ve)return r.UNSIGNED_BYTE;if(e===Qe)return r.UNSIGNED_SHORT_4_4_4_4;if(e===Ke)return r.UNSIGNED_SHORT_5_5_5_1;if(e===Je)return r.UNSIGNED_INT_5_9_9_9_REV;if(e===et)return r.UNSIGNED_INT_10F_11F_11F_REV;if(e===Oe)return r.BYTE;if(e===ke)return r.SHORT;if(e===Ge)return r.UNSIGNED_SHORT;if(e===R)return r.INT;if(e===S)return r.UNSIGNED_INT;if(e===Y)return r.FLOAT;if(e===Te)return r.HALF_FLOAT;if(e===$e)return r.ALPHA;if(e===Xe)return r.RGB;if(e===Ee)return r.RGBA;if(e===He)return r.DEPTH_COMPONENT;if(e===je)return r.DEPTH_STENCIL;if(e===ze)return r.RED;if(e===We)return r.RED_INTEGER;if(e===z)return r.RG;if(e===qe)return r.RG_INTEGER;if(e===Ft)return r.RGBA_INTEGER;if(e===or||e===ur||e===lr||e===dr)if(n===g){if(i=s.get("WEBGL_compressed_texture_s3tc_srgb"),null===i)return null;if(e===or)return i.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(e===ur)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(e===lr)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(e===dr)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(i=s.get("WEBGL_compressed_texture_s3tc"),null===i)return null;if(e===or)return i.COMPRESSED_RGB_S3TC_DXT1_EXT;if(e===ur)return i.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(e===lr)return i.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(e===dr)return i.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(e===cr||e===hr||e===pr||e===gr){if(i=s.get("WEBGL_compressed_texture_pvrtc"),null===i)return null;if(e===cr)return i.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(e===hr)return i.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(e===pr)return i.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(e===gr)return i.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(e===mr||e===fr||e===yr||e===br||e===xr||e===H||e===Tr){if(i=s.get("WEBGL_compressed_texture_etc"),null===i)return null;if(e===mr||e===fr)return n===g?i.COMPRESSED_SRGB8_ETC2:i.COMPRESSED_RGB8_ETC2;if(e===yr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:i.COMPRESSED_RGBA8_ETC2_EAC;if(e===br)return i.COMPRESSED_R11_EAC;if(e===xr)return i.COMPRESSED_SIGNED_R11_EAC;if(e===H)return i.COMPRESSED_RG11_EAC;if(e===Tr)return i.COMPRESSED_SIGNED_RG11_EAC}if(e===_r||e===vr||e===Nr||e===Sr||e===Rr||e===Er||e===wr||e===Ar||e===Cr||e===Mr||e===Br||e===Lr||e===Fr||e===Pr){if(i=s.get("WEBGL_compressed_texture_astc"),null===i)return null;if(e===_r)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:i.COMPRESSED_RGBA_ASTC_4x4_KHR;if(e===vr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:i.COMPRESSED_RGBA_ASTC_5x4_KHR;if(e===Nr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:i.COMPRESSED_RGBA_ASTC_5x5_KHR;if(e===Sr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:i.COMPRESSED_RGBA_ASTC_6x5_KHR;if(e===Rr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:i.COMPRESSED_RGBA_ASTC_6x6_KHR;if(e===Er)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:i.COMPRESSED_RGBA_ASTC_8x5_KHR;if(e===wr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:i.COMPRESSED_RGBA_ASTC_8x6_KHR;if(e===Ar)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:i.COMPRESSED_RGBA_ASTC_8x8_KHR;if(e===Cr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:i.COMPRESSED_RGBA_ASTC_10x5_KHR;if(e===Mr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:i.COMPRESSED_RGBA_ASTC_10x6_KHR;if(e===Br)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:i.COMPRESSED_RGBA_ASTC_10x8_KHR;if(e===Lr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:i.COMPRESSED_RGBA_ASTC_10x10_KHR;if(e===Fr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:i.COMPRESSED_RGBA_ASTC_12x10_KHR;if(e===Pr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:i.COMPRESSED_RGBA_ASTC_12x12_KHR}if(e===Ur||e===Dr||e===Ir){if(i=s.get("EXT_texture_compression_bptc"),null===i)return null;if(e===Ur)return n===g?i.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:i.COMPRESSED_RGBA_BPTC_UNORM_EXT;if(e===Dr)return i.COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT;if(e===Ir)return i.COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT}if(e===Or||e===Vr||e===W||e===kr){if(i=s.get("EXT_texture_compression_rgtc"),null===i)return null;if(e===Or)return i.COMPRESSED_RED_RGTC1_EXT;if(e===Vr)return i.COMPRESSED_SIGNED_RED_RGTC1_EXT;if(e===W)return i.COMPRESSED_RED_GREEN_RGTC2_EXT;if(e===kr)return i.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT}return e===Ze?r.UNSIGNED_INT_24_8:void 0!==r[e]?r[e]:null}_clientWaitAsync(){const{gl:e}=this,t=e.fenceSync(e.SYNC_GPU_COMMANDS_COMPLETE,0);return e.flush(),new Promise((r,s)=>{!function i(){const n=e.clientWaitSync(t,e.SYNC_FLUSH_COMMANDS_BIT,0);if(n===e.WAIT_FAILED)return e.deleteSync(t),void s();n!==e.TIMEOUT_EXPIRED?(e.deleteSync(t),r()):requestAnimationFrame(i)}()})}}let hE,pE,gE,mE=!1;class fE{constructor(e){this.backend=e,this.gl=e.gl,this.extensions=e.extensions,this.defaultTextures={},this._srcFramebuffer=null,this._dstFramebuffer=null,!1===mE&&(this._init(),mE=!0)}_init(){const e=this.gl;hE={[$r]:e.REPEAT,[_e]:e.CLAMP_TO_EDGE,[Gr]:e.MIRRORED_REPEAT},pE={[B]:e.NEAREST,[zr]:e.NEAREST_MIPMAP_NEAREST,[bt]:e.NEAREST_MIPMAP_LINEAR,[le]:e.LINEAR,[yt]:e.LINEAR_MIPMAP_NEAREST,[K]:e.LINEAR_MIPMAP_LINEAR},gE={[qr]:e.NEVER,[jr]:e.ALWAYS,[w]:e.LESS,[A]:e.LEQUAL,[Hr]:e.EQUAL,[M]:e.GEQUAL,[C]:e.GREATER,[Wr]:e.NOTEQUAL}}getGLTextureType(e){const{gl:t}=this;let r;return r=!0===e.isCubeTexture?t.TEXTURE_CUBE_MAP:!0===e.isArrayTexture||!0===e.isDataArrayTexture||!0===e.isCompressedArrayTexture?t.TEXTURE_2D_ARRAY:!0===e.isData3DTexture?t.TEXTURE_3D:t.TEXTURE_2D,r}getInternalFormat(e,t,r,s,i,n=!1){const{gl:a,extensions:o}=this;if(null!==e){if(void 0!==a[e])return a[e];d("WebGLBackend: Attempt to use non-existing WebGL internal format '"+e+"'")}let u=null;s&&(u=o.get("EXT_texture_norm16"),u||d("WebGLRenderer: Unable to use normalized textures without EXT_texture_norm16 extension"));let l=t;if(t===a.RED&&(r===a.FLOAT&&(l=a.R32F),r===a.HALF_FLOAT&&(l=a.R16F),r===a.UNSIGNED_BYTE&&(l=a.R8),r===a.BYTE&&(l=a.R8_SNORM),r===a.UNSIGNED_SHORT&&u&&(l=u.R16_EXT),r===a.SHORT&&u&&(l=u.R16_SNORM_EXT)),t===a.RED_INTEGER&&(r===a.UNSIGNED_BYTE&&(l=a.R8UI),r===a.UNSIGNED_SHORT&&(l=a.R16UI),r===a.UNSIGNED_INT&&(l=a.R32UI),r===a.BYTE&&(l=a.R8I),r===a.SHORT&&(l=a.R16I),r===a.INT&&(l=a.R32I)),t===a.RG&&(r===a.FLOAT&&(l=a.RG32F),r===a.HALF_FLOAT&&(l=a.RG16F),r===a.UNSIGNED_BYTE&&(l=a.RG8),r===a.BYTE&&(l=a.RG8_SNORM),r===a.UNSIGNED_SHORT&&u&&(l=u.RG16_EXT),r===a.SHORT&&u&&(l=u.RG16_SNORM_EXT)),t===a.RG_INTEGER&&(r===a.UNSIGNED_BYTE&&(l=a.RG8UI),r===a.UNSIGNED_SHORT&&(l=a.RG16UI),r===a.UNSIGNED_INT&&(l=a.RG32UI),r===a.BYTE&&(l=a.RG8I),r===a.SHORT&&(l=a.RG16I),r===a.INT&&(l=a.RG32I)),t===a.RGB){const e=n?Xr:p.getTransfer(i);r===a.FLOAT&&(l=a.RGB32F),r===a.HALF_FLOAT&&(l=a.RGB16F),r===a.UNSIGNED_BYTE&&(l=e===g?a.SRGB8:a.RGB8),r===a.BYTE&&(l=a.RGB8_SNORM),r===a.UNSIGNED_SHORT&&u&&(l=u.RGB16_EXT),r===a.SHORT&&u&&(l=u.RGB16_SNORM_EXT),r===a.UNSIGNED_SHORT_5_6_5&&(l=a.RGB565),r===a.UNSIGNED_SHORT_5_5_5_1&&(l=a.RGB5_A1),r===a.UNSIGNED_SHORT_4_4_4_4&&(l=a.RGB4),r===a.UNSIGNED_INT_5_9_9_9_REV&&(l=a.RGB9_E5),r===a.UNSIGNED_INT_10F_11F_11F_REV&&(l=a.R11F_G11F_B10F)}if(t===a.RGB_INTEGER&&(r===a.UNSIGNED_BYTE&&(l=a.RGB8UI),r===a.UNSIGNED_SHORT&&(l=a.RGB16UI),r===a.UNSIGNED_INT&&(l=a.RGB32UI),r===a.BYTE&&(l=a.RGB8I),r===a.SHORT&&(l=a.RGB16I),r===a.INT&&(l=a.RGB32I)),t===a.RGBA){const e=n?Xr:p.getTransfer(i);r===a.FLOAT&&(l=a.RGBA32F),r===a.HALF_FLOAT&&(l=a.RGBA16F),r===a.UNSIGNED_BYTE&&(l=e===g?a.SRGB8_ALPHA8:a.RGBA8),r===a.BYTE&&(l=a.RGBA8_SNORM),r===a.UNSIGNED_SHORT&&u&&(l=u.RGBA16_EXT),r===a.SHORT&&u&&(l=u.RGBA16_SNORM_EXT),r===a.UNSIGNED_SHORT_4_4_4_4&&(l=a.RGBA4),r===a.UNSIGNED_SHORT_5_5_5_1&&(l=a.RGB5_A1)}return t===a.RGBA_INTEGER&&(r===a.UNSIGNED_BYTE&&(l=a.RGBA8UI),r===a.UNSIGNED_SHORT&&(l=a.RGBA16UI),r===a.UNSIGNED_INT&&(l=a.RGBA32UI),r===a.BYTE&&(l=a.RGBA8I),r===a.SHORT&&(l=a.RGBA16I),r===a.INT&&(l=a.RGBA32I)),t===a.DEPTH_COMPONENT&&(r===a.UNSIGNED_SHORT&&(l=a.DEPTH_COMPONENT16),r===a.UNSIGNED_INT&&(l=a.DEPTH_COMPONENT24),r===a.FLOAT&&(l=a.DEPTH_COMPONENT32F)),t===a.DEPTH_STENCIL&&r===a.UNSIGNED_INT_24_8&&(l=a.DEPTH24_STENCIL8),l!==a.R16F&&l!==a.R32F&&l!==a.RG16F&&l!==a.RG32F&&l!==a.RGBA16F&&l!==a.RGBA32F||o.get("EXT_color_buffer_float"),l}setTextureParameters(e,t){const{gl:r,extensions:s,backend:i}=this,{state:n}=this.backend,a=p.getPrimaries(p.workingColorSpace),o=t.colorSpace===T?null:p.getPrimaries(t.colorSpace),u=t.colorSpace===T||a===o?r.NONE:r.BROWSER_DEFAULT_WEBGL;n.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,t.flipY),n.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),n.pixelStorei(r.UNPACK_ALIGNMENT,t.unpackAlignment),n.pixelStorei(r.UNPACK_COLORSPACE_CONVERSION_WEBGL,u),r.texParameteri(e,r.TEXTURE_WRAP_S,hE[t.wrapS]),r.texParameteri(e,r.TEXTURE_WRAP_T,hE[t.wrapT]),e!==r.TEXTURE_3D&&e!==r.TEXTURE_2D_ARRAY||t.isArrayTexture||r.texParameteri(e,r.TEXTURE_WRAP_R,hE[t.wrapR]),r.texParameteri(e,r.TEXTURE_MAG_FILTER,pE[t.magFilter]);const l=void 0!==t.mipmaps&&t.mipmaps.length>0,d=t.minFilter===le&&l?K:t.minFilter;if(r.texParameteri(e,r.TEXTURE_MIN_FILTER,pE[d]),t.compareFunction&&(r.texParameteri(e,r.TEXTURE_COMPARE_MODE,r.COMPARE_REF_TO_TEXTURE),r.texParameteri(e,r.TEXTURE_COMPARE_FUNC,gE[t.compareFunction])),!0===s.has("EXT_texture_filter_anisotropic")){if(t.magFilter===B)return;if(t.minFilter!==bt&&t.minFilter!==K)return;if(t.type===Y&&!1===s.has("OES_texture_float_linear"))return;if(t.anisotropy>1){const n=s.get("EXT_texture_filter_anisotropic");r.texParameterf(e,n.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(t.anisotropy,i.capabilities.getMaxAnisotropy()))}}}createDefaultTexture(e){const{gl:t,backend:r,defaultTextures:s}=this,i=this.getGLTextureType(e);let n=s[i];void 0===n&&(n=t.createTexture(),r.state.bindTexture(i,n),t.texParameteri(i,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(i,t.TEXTURE_MAG_FILTER,t.NEAREST),s[i]=n),r.set(e,{textureGPU:n,glTextureType:i})}createTexture(e,t){const{gl:r,backend:s}=this,{levels:i,width:n,height:a,depth:o}=t,u=s.utils.convert(e.format,e.colorSpace),l=s.utils.convert(e.type),d=this.getInternalFormat(e.internalFormat,u,l,e.normalized,e.colorSpace,e.isVideoTexture),c=r.createTexture(),h=this.getGLTextureType(e);s.state.bindTexture(h,c),this.setTextureParameters(h,e),e.isArrayTexture||e.isDataArrayTexture||e.isCompressedArrayTexture?r.texStorage3D(r.TEXTURE_2D_ARRAY,i,d,n,a,o):e.isData3DTexture?r.texStorage3D(r.TEXTURE_3D,i,d,n,a,o):e.isVideoTexture||r.texStorage2D(h,i,d,n,a),s.set(e,{textureGPU:c,glTextureType:h,glFormat:u,glType:l,glInternalFormat:d})}copyBufferToTexture(e,t){const{gl:r,backend:s}=this,{state:i}=s,{textureGPU:n,glTextureType:a,glFormat:o,glType:u}=s.get(t),{width:l,height:d}=t.source.data;r.bindBuffer(r.PIXEL_UNPACK_BUFFER,e),s.state.bindTexture(a,n),i.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,!1),i.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1),r.texSubImage2D(a,0,0,0,l,d,o,u,0),r.bindBuffer(r.PIXEL_UNPACK_BUFFER,null),s.state.unbindTexture()}updateTexture(e,t){const{gl:r}=this,{width:s,height:i}=t,{textureGPU:n,glTextureType:a,glFormat:o,glType:u,glInternalFormat:l}=this.backend.get(e);if(!e.isRenderTargetTexture&&void 0!==n)if(this.backend.state.bindTexture(a,n),this.setTextureParameters(a,e),e.isCompressedTexture){const s=e.mipmaps,i=t.image;for(let t=0;t<s.length;t++){const n=s[t];e.isCompressedArrayTexture?e.format!==r.RGBA?null!==o?r.compressedTexSubImage3D(r.TEXTURE_2D_ARRAY,t,0,0,0,n.width,n.height,i.depth,o,n.data):d("WebGLBackend: Attempt to load unsupported compressed texture format in .uploadTexture()"):r.texSubImage3D(r.TEXTURE_2D_ARRAY,t,0,0,0,n.width,n.height,i.depth,o,u,n.data):null!==o?r.compressedTexSubImage2D(r.TEXTURE_2D,t,0,0,n.width,n.height,o,n.data):d("WebGLBackend: Unsupported compressed texture format")}}else if(e.isCubeTexture){const n=t.images,a=e.mipmaps;for(let e=0;e<6;e++){const t=yE(n[e]);r.texSubImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,0,0,s,i,o,u,t);for(let t=0;t<a.length;t++){const s=yE(a[t].images[e]);r.texSubImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+e,t+1,0,0,s.width,s.height,o,u,s)}}}else if(e.isDataArrayTexture||e.isArrayTexture){const s=t.image;if(e.layerUpdates.size>0){const t=Yr(s.width,s.height,e.format,e.type);for(const i of e.layerUpdates){const e=s.data.subarray(i*t/s.data.BYTES_PER_ELEMENT,(i+1)*t/s.data.BYTES_PER_ELEMENT);r.texSubImage3D(r.TEXTURE_2D_ARRAY,0,0,0,i,s.width,s.height,1,o,u,e)}e.clearLayerUpdates()}else r.texSubImage3D(r.TEXTURE_2D_ARRAY,0,0,0,0,s.width,s.height,s.depth,o,u,s.data)}else if(e.isData3DTexture){const e=t.image;r.texSubImage3D(r.TEXTURE_3D,0,0,0,0,e.width,e.height,e.depth,o,u,e.data)}else if(e.isVideoTexture)e.update(),r.texImage2D(a,0,l,o,u,t.image);else if(e.isHTMLTexture)"function"==typeof r.texElementImage2D&&r.texElementImage2D(r.TEXTURE_2D,0,r.RGBA,r.RGBA,r.UNSIGNED_BYTE,t.image);else{const n=e.mipmaps;if(n.length>0)for(let e=0,t=n.length;e<t;e++){const t=n[e],s=yE(t);r.texSubImage2D(a,e,0,0,t.width,t.height,o,u,s)}else{const e=yE(t.image);r.texSubImage2D(a,0,0,0,s,i,o,u,e)}}}generateMipmaps(e){const{gl:t,backend:r}=this,{textureGPU:s,glTextureType:i}=r.get(e);r.state.bindTexture(i,s),t.generateMipmap(i)}deallocateRenderBuffers(e){const{gl:t,backend:r}=this;if(e){const s=r.get(e);if(s.renderBufferStorageSetup=void 0,s.framebuffers){for(const e in s.framebuffers)t.deleteFramebuffer(s.framebuffers[e]);delete s.framebuffers}if(s.depthRenderbuffer&&(t.deleteRenderbuffer(s.depthRenderbuffer),delete s.depthRenderbuffer),s.stencilRenderbuffer&&(t.deleteRenderbuffer(s.stencilRenderbuffer),delete s.stencilRenderbuffer),s.msaaFrameBuffer&&(t.deleteFramebuffer(s.msaaFrameBuffer),delete s.msaaFrameBuffer),s.msaaRenderbuffers){for(let e=0;e<s.msaaRenderbuffers.length;e++)t.deleteRenderbuffer(s.msaaRenderbuffers[e]);delete s.msaaRenderbuffers}}}destroyTexture(e,t=!1){const{gl:r,backend:s}=this,{textureGPU:i,renderTarget:n}=s.get(e);this.deallocateRenderBuffers(n),!1===t&&r.deleteTexture(i),s.delete(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){const{gl:a,backend:o}=this,{state:u}=this.backend,{textureGPU:l,glTextureType:d,glType:c,glFormat:h}=o.get(t);let p,g,m,f,y,b,x,T,_;u.bindTexture(d,l);const v=e.isCompressedTexture?e.mipmaps[n]:e.image;if(null!==r)p=r.max.x-r.min.x,g=r.max.y-r.min.y,m=r.isBox3?r.max.z-r.min.z:1,f=r.min.x,y=r.min.y,b=r.isBox3?r.min.z:0;else{const t=Math.pow(2,-i);p=Math.floor(v.width*t),g=Math.floor(v.height*t),m=e.isDataArrayTexture||e.isArrayTexture?v.depth:e.isData3DTexture?Math.floor(v.depth*t):1,f=0,y=0,b=0}null!==s?(x=s.x,T=s.y,_=s.z):(x=0,T=0,_=0),u.pixelStorei(a.UNPACK_FLIP_Y_WEBGL,t.flipY),u.pixelStorei(a.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),u.pixelStorei(a.UNPACK_ALIGNMENT,t.unpackAlignment);const N=u.getParameter(a.UNPACK_ROW_LENGTH),S=u.getParameter(a.UNPACK_IMAGE_HEIGHT),R=u.getParameter(a.UNPACK_SKIP_PIXELS),E=u.getParameter(a.UNPACK_SKIP_ROWS),w=u.getParameter(a.UNPACK_SKIP_IMAGES);u.pixelStorei(a.UNPACK_ROW_LENGTH,v.width),u.pixelStorei(a.UNPACK_IMAGE_HEIGHT,v.height),u.pixelStorei(a.UNPACK_SKIP_PIXELS,f),u.pixelStorei(a.UNPACK_SKIP_ROWS,y),u.pixelStorei(a.UNPACK_SKIP_IMAGES,b);const A=e.isDataArrayTexture||e.isData3DTexture||t.isArrayTexture,C=t.isDataArrayTexture||t.isData3DTexture||t.isArrayTexture;if(e.isDepthTexture){const r=o.get(e),s=o.get(t),d=o.get(r.renderTarget),c=o.get(s.renderTarget),h=d.framebuffers[r.cacheKey],v=c.framebuffers[s.cacheKey],N=u.currentBoundFramebuffers[a.READ_FRAMEBUFFER]??null,S=u.currentBoundFramebuffers[a.DRAW_FRAMEBUFFER]??null;u.bindFramebuffer(a.READ_FRAMEBUFFER,h),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,v);for(let e=0;e<m;e++)A&&(a.framebufferTextureLayer(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,r.textureGPU,i,b+e),a.framebufferTextureLayer(a.DRAW_FRAMEBUFFER,a.COLOR_ATTACHMENT0,l,n,_+e)),a.blitFramebuffer(f,y,p,g,x,T,p,g,a.DEPTH_BUFFER_BIT,a.NEAREST);u.bindFramebuffer(a.READ_FRAMEBUFFER,N),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,S)}else if(0!==i||e.isRenderTargetTexture||o.has(e)){const t=o.get(e);null===this._srcFramebuffer&&(this._srcFramebuffer=a.createFramebuffer()),null===this._dstFramebuffer&&(this._dstFramebuffer=a.createFramebuffer());const r=u.currentBoundFramebuffers[a.READ_FRAMEBUFFER]??null,s=u.currentBoundFramebuffers[a.DRAW_FRAMEBUFFER]??null;u.bindFramebuffer(a.READ_FRAMEBUFFER,this._srcFramebuffer),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,this._dstFramebuffer);for(let e=0;e<m;e++)A?a.framebufferTextureLayer(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,t.textureGPU,i,b+e):a.framebufferTexture2D(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,a.TEXTURE_2D,t.textureGPU,i),C?a.framebufferTextureLayer(a.DRAW_FRAMEBUFFER,a.COLOR_ATTACHMENT0,l,n,_+e):a.framebufferTexture2D(a.DRAW_FRAMEBUFFER,a.COLOR_ATTACHMENT0,a.TEXTURE_2D,l,n),0!==i?a.blitFramebuffer(f,y,p,g,x,T,p,g,a.COLOR_BUFFER_BIT,a.NEAREST):C?a.copyTexSubImage3D(d,n,x,T,_+e,f,y,p,g):a.copyTexSubImage2D(d,n,x,T,f,y,p,g);u.bindFramebuffer(a.READ_FRAMEBUFFER,r),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,s)}else C?e.isDataTexture||e.isData3DTexture?a.texSubImage3D(d,n,x,T,_,p,g,m,h,c,v.data):t.isCompressedArrayTexture?a.compressedTexSubImage3D(d,n,x,T,_,p,g,m,h,v.data):a.texSubImage3D(d,n,x,T,_,p,g,m,h,c,v):e.isDataTexture?a.texSubImage2D(a.TEXTURE_2D,n,x,T,p,g,h,c,v.data):e.isCompressedTexture?a.compressedTexSubImage2D(a.TEXTURE_2D,n,x,T,v.width,v.height,h,v.data):a.texSubImage2D(a.TEXTURE_2D,n,x,T,p,g,h,c,v);u.pixelStorei(a.UNPACK_ROW_LENGTH,N),u.pixelStorei(a.UNPACK_IMAGE_HEIGHT,S),u.pixelStorei(a.UNPACK_SKIP_PIXELS,R),u.pixelStorei(a.UNPACK_SKIP_ROWS,E),u.pixelStorei(a.UNPACK_SKIP_IMAGES,w),0===n&&t.generateMipmaps&&a.generateMipmap(d),u.unbindTexture()}copyFramebufferToTexture(e,t,r){const{gl:s}=this,{state:i}=this.backend,{textureGPU:n}=this.backend.get(e),{x:a,y:o,z:u,w:l}=r,d=!0===e.isDepthTexture||t.renderTarget&&t.renderTarget.samples>0,c=t.renderTarget?t.renderTarget.height:this.backend.getDrawingBufferSize().y;if(d){const r=0!==a||0!==o;let d,h;if(!0===e.isDepthTexture?(d=s.DEPTH_BUFFER_BIT,h=s.DEPTH_ATTACHMENT,t.stencil&&(d|=s.STENCIL_BUFFER_BIT)):(d=s.COLOR_BUFFER_BIT,h=s.COLOR_ATTACHMENT0),r){const e=this.backend.get(t.renderTarget),r=e.framebuffers[t.getCacheKey()],h=e.msaaFrameBuffer;i.bindFramebuffer(s.DRAW_FRAMEBUFFER,r),i.bindFramebuffer(s.READ_FRAMEBUFFER,h);const p=c-o-l;s.blitFramebuffer(a,p,a+u,p+l,a,p,a+u,p+l,d,s.NEAREST),i.bindFramebuffer(s.READ_FRAMEBUFFER,r),i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,a,p,u,l),i.unbindTexture()}else{const e=s.createFramebuffer();i.bindFramebuffer(s.DRAW_FRAMEBUFFER,e),s.framebufferTexture2D(s.DRAW_FRAMEBUFFER,h,s.TEXTURE_2D,n,0),s.blitFramebuffer(0,0,u,l,0,0,u,l,d,s.NEAREST),s.deleteFramebuffer(e)}}else i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,a,c-l-o,u,l),i.unbindTexture();e.generateMipmaps&&this.generateMipmaps(e),this.backend._setFramebuffer(t)}setupRenderBufferStorage(e,t,r,s=!1){const{gl:i}=this,n=t.renderTarget,{depthTexture:a,depthBuffer:o,stencilBuffer:u,width:l,height:d}=n;if(i.bindRenderbuffer(i.RENDERBUFFER,e),o&&!u){let t=i.DEPTH_COMPONENT24;if(!0===s){this.extensions.get("WEBGL_multisampled_render_to_texture").renderbufferStorageMultisampleEXT(i.RENDERBUFFER,n.samples,t,l,d)}else r>0?(a&&a.isDepthTexture&&a.type===i.FLOAT&&(t=i.DEPTH_COMPONENT32F),i.renderbufferStorageMultisample(i.RENDERBUFFER,r,t,l,d)):i.renderbufferStorage(i.RENDERBUFFER,t,l,d);i.framebufferRenderbuffer(i.FRAMEBUFFER,i.DEPTH_ATTACHMENT,i.RENDERBUFFER,e)}else o&&u&&(r>0?i.renderbufferStorageMultisample(i.RENDERBUFFER,r,i.DEPTH24_STENCIL8,l,d):i.renderbufferStorage(i.RENDERBUFFER,i.DEPTH_STENCIL,l,d),i.framebufferRenderbuffer(i.FRAMEBUFFER,i.DEPTH_STENCIL_ATTACHMENT,i.RENDERBUFFER,e));i.bindRenderbuffer(i.RENDERBUFFER,null)}async copyTextureToBuffer(e,t,r,s,i,n){const{backend:a,gl:o}=this,{textureGPU:u,glFormat:l,glType:d}=this.backend.get(e),c=o.createFramebuffer();a.state.bindFramebuffer(o.READ_FRAMEBUFFER,c);const h=e.isCubeTexture?o.TEXTURE_CUBE_MAP_POSITIVE_X+n:o.TEXTURE_2D;o.framebufferTexture2D(o.READ_FRAMEBUFFER,o.COLOR_ATTACHMENT0,h,u,0);const p=this._getTypedArrayType(d),g=s*i*this._getBytesPerTexel(d,l),m=o.createBuffer();o.bindBuffer(o.PIXEL_PACK_BUFFER,m),o.bufferData(o.PIXEL_PACK_BUFFER,g,o.STREAM_READ),o.readPixels(t,r,s,i,l,d,0),o.bindBuffer(o.PIXEL_PACK_BUFFER,null),await a.utils._clientWaitAsync();const f=new p(g/p.BYTES_PER_ELEMENT);return o.bindBuffer(o.PIXEL_PACK_BUFFER,m),o.getBufferSubData(o.PIXEL_PACK_BUFFER,0,f),o.bindBuffer(o.PIXEL_PACK_BUFFER,null),a.state.bindFramebuffer(o.READ_FRAMEBUFFER,null),o.deleteFramebuffer(c),f}_getTypedArrayType(e){const{gl:t}=this;if(e===t.UNSIGNED_BYTE)return Uint8Array;if(e===t.UNSIGNED_SHORT_4_4_4_4)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_5_5_1)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_6_5)return Uint16Array;if(e===t.UNSIGNED_SHORT)return Uint16Array;if(e===t.UNSIGNED_INT)return Uint32Array;if(e===t.HALF_FLOAT)return Uint16Array;if(e===t.FLOAT)return Float32Array;throw new Error(`THREE.WebGLTextureUtils: Unsupported WebGL type: ${e}`)}_getBytesPerTexel(e,t){const{gl:r}=this;let s=0;return e===r.UNSIGNED_BYTE&&(s=1),e!==r.UNSIGNED_SHORT_4_4_4_4&&e!==r.UNSIGNED_SHORT_5_5_5_1&&e!==r.UNSIGNED_SHORT_5_6_5&&e!==r.UNSIGNED_SHORT&&e!==r.HALF_FLOAT||(s=2),e!==r.UNSIGNED_INT&&e!==r.FLOAT||(s=4),t===r.RGBA?4*s:t===r.RGB?3*s:t===r.ALPHA?s:void 0}dispose(){const{gl:e}=this;null!==this._srcFramebuffer&&e.deleteFramebuffer(this._srcFramebuffer),null!==this._dstFramebuffer&&e.deleteFramebuffer(this._dstFramebuffer)}}function yE(e){return e.isDataTexture?e.image.data:"undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap||"undefined"!=typeof OffscreenCanvas&&e instanceof OffscreenCanvas?e:e.data}class bE{constructor(e){this.backend=e,this.gl=this.backend.gl,this.availableExtensions=this.gl.getSupportedExtensions(),this.extensions={}}get(e){let t=this.extensions[e];return void 0===t&&(t=this.gl.getExtension(e),this.extensions[e]=t),t}has(e){return this.availableExtensions.includes(e)}}class xE{constructor(e){this.backend=e,this.maxAnisotropy=null,this.maxUniformBlockSize=null}getMaxAnisotropy(){if(null!==this.maxAnisotropy)return this.maxAnisotropy;const e=this.backend.gl,t=this.backend.extensions;if(!0===t.has("EXT_texture_filter_anisotropic")){const r=t.get("EXT_texture_filter_anisotropic");this.maxAnisotropy=e.getParameter(r.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else this.maxAnisotropy=0;return this.maxAnisotropy}getUniformBufferLimit(){if(null!==this.maxUniformBlockSize)return this.maxUniformBlockSize;const e=this.backend.gl;return this.maxUniformBlockSize=e.getParameter(e.MAX_UNIFORM_BLOCK_SIZE),this.maxUniformBlockSize}}const TE={WEBGL_multi_draw:"WEBGL_multi_draw",WEBGL_compressed_texture_astc:"texture-compression-astc",WEBGL_compressed_texture_etc:"texture-compression-etc2",WEBGL_compressed_texture_etc1:"texture-compression-etc1",WEBGL_compressed_texture_pvrtc:"texture-compression-pvrtc",WEBGL_compressed_texture_s3tc:"texture-compression-s3tc",EXT_texture_compression_bptc:"texture-compression-bc",EXT_disjoint_timer_query_webgl2:"timestamp-query",OVR_multiview2:"OVR_multiview2"};class _E{constructor(e){this.gl=e.gl,this.extensions=e.extensions,this.info=e.renderer.info,this.mode=null,this.index=0,this.type=null,this.object=null}render(e,t){const{gl:r,mode:s,object:i,type:n,info:a,index:o}=this;0!==o?r.drawElements(s,t,n,e):r.drawArrays(s,e,t),a.update(i,t,1)}renderInstances(e,t,r){const{gl:s,mode:i,type:n,index:a,object:o,info:u}=this;0!==r&&(0!==a?s.drawElementsInstanced(i,t,n,e,r):s.drawArraysInstanced(i,e,t,r),u.update(o,t,r))}renderMultiDraw(e,t,r){const{extensions:s,mode:i,object:n,info:a}=this;if(0===r)return;const o=s.get("WEBGL_multi_draw");if(null===o)for(let s=0;s<r;s++)this.render(e[s],t[s]);else{0!==this.index?o.multiDrawElementsWEBGL(i,t,0,this.type,e,0,r):o.multiDrawArraysWEBGL(i,e,0,t,0,r);let s=0;for(let e=0;e<r;e++)s+=t[e];a.update(n,s,1)}}}class vE{constructor(e=256){this.trackTimestamp=!0,this.maxQueries=e,this.currentQueryIndex=0,this.queryOffsets=new Map,this.isDisposed=!1,this.lastValue=0,this.frames=[],this.pendingResolve=!1,this.timestamps=new Map}getTimestampFrames(){return this.frames}getTimestamp(e){let t=this.timestamps.get(e);return void 0===t&&(d(`TimestampQueryPool: No timestamp available for uid ${e}.`),t=0),t}hasTimestampQuery(e){return this.timestamps.has(e)}allocateQueriesForContext(){}async resolveQueriesAsync(){}dispose(){}}class NE extends vE{constructor(e,t,r=2048){if(super(r),this.gl=e,this.type=t,this.ext=e.getExtension("EXT_disjoint_timer_query_webgl2")||e.getExtension("EXT_disjoint_timer_query"),!this.ext)return d("EXT_disjoint_timer_query not supported; timestamps will be disabled."),void(this.trackTimestamp=!1);this.queries=[];for(let t=0;t<this.maxQueries;t++)this.queries.push(e.createQuery());this.activeQuery=null,this.queryStates=new Map}allocateQueriesForContext(e){if(!this.trackTimestamp)return null;if(this.currentQueryIndex+2>this.maxQueries)return v(`WebGLTimestampQueryPool [${this.type}]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${this.type.toUpperCase()} ).`),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryStates.set(t,"inactive"),this.queryOffsets.set(e,t),t}beginQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e);if(null==t)return;if(null!==this.activeQuery)return;const r=this.queries[t];if(r)try{"inactive"===this.queryStates.get(t)&&(this.gl.beginQuery(this.ext.TIME_ELAPSED_EXT,r),this.activeQuery=t,this.queryStates.set(t,"started"))}catch(e){o("Error in beginQuery:",e),this.activeQuery=null,this.queryStates.set(t,"inactive")}}endQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e);if(null!=t&&this.activeQuery===t)try{this.gl.endQuery(this.ext.TIME_ELAPSED_EXT),this.queryStates.set(t,"ended"),this.activeQuery=null}catch(e){o("Error in endQuery:",e),this.queryStates.set(t,"inactive"),this.activeQuery=null}}async resolveQueriesAsync(){if(!this.trackTimestamp||this.pendingResolve)return this.lastValue;this.pendingResolve=!0;try{const e=new Map;for(const[t,r]of this.queryOffsets){if("ended"===this.queryStates.get(r)){const s=this.queries[r];e.set(t,this.resolveQuery(s))}}if(0===e.size)return this.lastValue;const t={},r=[];for(const[s,i]of e){const e=s.match(/^(.*):f(\d+)$/),n=parseInt(e[2]);!1===r.includes(n)&&r.push(n),void 0===t[n]&&(t[n]=0);const a=await i;this.timestamps.set(s,a),t[n]+=a}const s=t[r[r.length-1]];return this.lastValue=s,this.frames=r,this.currentQueryIndex=0,this.queryOffsets.clear(),this.queryStates.clear(),this.activeQuery=null,s}catch(e){return o("Error resolving queries:",e),this.lastValue}finally{this.pendingResolve=!1}}async resolveQuery(e){return new Promise(t=>{if(this.isDisposed)return void t(this.lastValue);let r,s=!1;const i=e=>{s||(s=!0,r&&(clearTimeout(r),r=null),t(e))},n=()=>{if(this.isDisposed)i(this.lastValue);else try{if(this.gl.getParameter(this.ext.GPU_DISJOINT_EXT))return void i(this.lastValue);if(!this.gl.getQueryParameter(e,this.gl.QUERY_RESULT_AVAILABLE))return void(r=setTimeout(n,1));const s=this.gl.getQueryParameter(e,this.gl.QUERY_RESULT);t(Number(s)/1e6)}catch(e){o("Error checking query:",e),t(this.lastValue)}};n()})}dispose(){if(!this.isDisposed&&(this.isDisposed=!0,this.trackTimestamp)){for(const e of this.queries)this.gl.deleteQuery(e);this.queries=[],this.queryStates.clear(),this.queryOffsets.clear(),this.lastValue=0,this.activeQuery=null}}}class SE extends iE{constructor(e={}){super(e),this.isWebGLBackend=!0,this.attributeUtils=null,this.extensions=null,this.capabilities=null,this.textureUtils=null,this.bufferRenderer=null,this.gl=null,this.state=null,this.utils=null,this.vaoCache={},this.transformFeedbackCache={},this.discard=!1,this.disjoint=null,this.parallel=null,this._currentContext=null,this._knownBindings=new WeakSet,this._supportsInvalidateFramebuffer="undefined"!=typeof navigator&&/OculusBrowser/g.test(navigator.userAgent),this._xrFramebuffer=null}init(e){super.init(e);const t=this.parameters,r={antialias:e.currentSamples>0,alpha:!0,depth:e.depth,stencil:e.stencil},s=void 0!==t.context?t.context:e.domElement.getContext("webgl2",r);function i(t){t.preventDefault();const r={api:"WebGL",message:t.statusMessage||"Unknown reason",reason:null,originalEvent:t};e.onDeviceLost(r)}this._onContextLost=i,e.domElement.addEventListener("webglcontextlost",i,!1),this.gl=s,this.extensions=new bE(this),this.capabilities=new xE(this),this.attributeUtils=new lE(this),this.textureUtils=new fE(this),this.bufferRenderer=new _E(this),this.state=new dE(this),this.utils=new cE(this),this.extensions.get("EXT_color_buffer_float"),this.extensions.get("WEBGL_clip_cull_distance"),this.extensions.get("OES_texture_float_linear"),this.extensions.get("EXT_color_buffer_half_float"),this.extensions.get("WEBGL_multisampled_render_to_texture"),this.extensions.get("WEBGL_render_shared_exponent"),this.extensions.get("WEBGL_multi_draw"),this.extensions.get("OVR_multiview2"),this.extensions.get("EXT_clip_control"),this.disjoint=this.extensions.get("EXT_disjoint_timer_query_webgl2"),this.parallel=this.extensions.get("KHR_parallel_shader_compile"),this.drawBuffersIndexedExt=this.extensions.get("OES_draw_buffers_indexed"),t.reversedDepthBuffer&&(this.extensions.has("EXT_clip_control")?e.reversedDepthBuffer=!0:(d("WebGPURenderer: Unable to use reversed depth buffer due to missing EXT_clip_control extension. Fallback to default depth buffer."),e.reversedDepthBuffer=!1)),e.reversedDepthBuffer&&this.state.setReversedDepth(!0)}get coordinateSystem(){return c}get hasTimestamp(){return null!==this.disjoint}async getArrayBufferAsync(e,t=null,r=0,s=-1){return await this.attributeUtils.getArrayBufferAsync(e,t,r,s)}async makeXRCompatible(){!0!==this.gl.getContextAttributes().xrCompatible&&await this.gl.makeXRCompatible()}setXRTarget(e){this._xrFramebuffer=e}setXRRenderTargetTextures(e,t,r=null){const s=this.gl;if(this.set(e.texture,{textureGPU:t,glInternalFormat:s.RGBA8}),null!==r){const t=e.stencilBuffer?s.DEPTH24_STENCIL8:s.DEPTH_COMPONENT24;this.set(e.depthTexture,{textureGPU:r,glInternalFormat:t}),!0===this.extensions.has("WEBGL_multisampled_render_to_texture")&&!0===e._autoAllocateDepthBuffer&&!1===e.multiview&&d("WebGLBackend: Render-to-texture extension was disabled because an external texture was provided"),e._autoAllocateDepthBuffer=!1}}initTimestampQuery(e,t){if(!this.disjoint||!this.trackTimestamp)return;this.timestampQueryPool[e]||(this.timestampQueryPool[e]=new NE(this.gl,e,2048));const r=this.timestampQueryPool[e];null!==r.allocateQueriesForContext(t)&&r.beginQuery(t)}prepareTimestampBuffer(e,t){if(!this.disjoint||!this.trackTimestamp)return;this.timestampQueryPool[e].endQuery(t)}getContext(){return this.gl}beginRender(e){const{state:t}=this,r=this.get(e);if(e.viewport)this.updateViewport(e);else{const{width:e,height:r}=this.getDrawingBufferSize();t.viewport(0,0,e,r)}if(e.scissor)this.updateScissor(e);else{const{width:e,height:r}=this.getDrawingBufferSize();t.scissor(0,0,e,r)}this.initTimestampQuery(Pt.RENDER,this.getTimestampUID(e)),r.previousContext=this._currentContext,this._currentContext=e,this._setFramebuffer(e),this.clear(e.clearColor,e.clearDepth,e.clearStencil,e,!1);const s=e.occlusionQueryCount;s>0&&(r.currentOcclusionQueries=r.occlusionQueries,r.currentOcclusionQueryObjects=r.occlusionQueryObjects,r.lastOcclusionObject=null,r.occlusionQueries=new Array(s),r.occlusionQueryObjects=new Array(s),r.occlusionQueryIndex=0)}finishRender(e){const{gl:t,state:r}=this,s=this.get(e),i=s.previousContext;r.resetVertexState();const n=e.occlusionQueryCount;n>0&&(n>s.occlusionQueryIndex&&t.endQuery(t.ANY_SAMPLES_PASSED),this.resolveOccludedAsync(e));const a=e.textures;if(null!==a)for(let e=0;e<a.length;e++){const t=a[e];t.generateMipmaps&&this.generateMipmaps(t)}if(this._currentContext=i,this._resolveRenderTarget(e),null!==i){if(this._setFramebuffer(i),i.viewport)this.updateViewport(i);else{const{width:e,height:t}=this.getDrawingBufferSize();r.viewport(0,0,e,t)}if(i.scissor)this.updateScissor(i);else{const{width:e,height:t}=this.getDrawingBufferSize();r.scissor(0,0,e,t)}}this.prepareTimestampBuffer(Pt.RENDER,this.getTimestampUID(e))}resolveOccludedAsync(e){const t=this.get(e),{currentOcclusionQueries:r,currentOcclusionQueryObjects:s}=t;if(r&&s){const e=new WeakSet,{gl:i}=this;t.currentOcclusionQueryObjects=null,t.currentOcclusionQueries=null;const n=()=>{let a=0;for(let t=0;t<r.length;t++){const n=r[t];null!==n&&(i.getQueryParameter(n,i.QUERY_RESULT_AVAILABLE)&&(0===i.getQueryParameter(n,i.QUERY_RESULT)&&e.add(s[t]),r[t]=null,i.deleteQuery(n),a++))}a<r.length?requestAnimationFrame(n):t.occluded=e};n()}}isOccluded(e,t){const r=this.get(e);return r.occluded&&r.occluded.has(t)}updateViewport(e){const{state:t}=this,{x:r,y:s,width:i,height:n}=e.viewportValue;t.viewport(r,e.height-n-s,i,n)}updateScissor(e){const{state:t}=this,{x:r,y:s,width:i,height:n}=e.scissorValue;t.scissor(r,e.height-n-s,i,n)}setScissorTest(e){this.state.setScissorTest(e)}getClearColor(){const e=super.getClearColor();return e.r*=e.a,e.g*=e.a,e.b*=e.a,e}clear(e,t,r,s=null,i=!0,n=!0){const{gl:a,renderer:o}=this;if(null===s){s={textures:null,clearColorValue:this.getClearColor()}}let u=0;if(e&&(u|=a.COLOR_BUFFER_BIT),t&&(u|=a.DEPTH_BUFFER_BIT),r&&(u|=a.STENCIL_BUFFER_BIT),0!==u){let l;l=s.clearColorValue?s.clearColorValue:this.getClearColor();const d=o.getClearDepth(),c=o.getClearStencil();if(t&&this.state.setDepthMask(!0),null===s.textures)a.clearColor(l.r,l.g,l.b,l.a),a.clear(u);else{if(i&&this._setFramebuffer(s),e)for(let e=0;e<s.textures.length;e++)0===e?a.clearBufferfv(a.COLOR,e,[l.r,l.g,l.b,l.a]):a.clearBufferfv(a.COLOR,e,[0,0,0,1]);t&&r?a.clearBufferfi(a.DEPTH_STENCIL,0,d,c):t?a.clearBufferfv(a.DEPTH,0,[d]):r&&a.clearBufferiv(a.STENCIL,0,[c]),i&&n&&this._resolveRenderTarget(s),i&&null!==this._currentContext&&this._currentContext!==s&&this._setFramebuffer(this._currentContext)}}}beginCompute(e){const{state:t,gl:r}=this;t.bindFramebuffer(r.FRAMEBUFFER,null),this.initTimestampQuery(Pt.COMPUTE,this.getTimestampUID(e))}compute(e,t,r,s,i=null){const{state:n,gl:a}=this;!1===this.discard&&(n.enable(a.RASTERIZER_DISCARD),this.discard=!0);const{programGPU:o,transformBuffers:u,attributes:l}=this.get(s),d=this._getVaoKey(l),c=this.vaoCache[d];void 0===c?this.vaoCache[d]=this._createVao(l):n.setVertexState(c),n.useProgram(o),this._bindUniforms(r);const h=this._getTransformFeedback(u);a.bindTransformFeedback(a.TRANSFORM_FEEDBACK,h),a.beginTransformFeedback(a.POINTS),i=null!==i?i:t.count,Array.isArray(i)?(v("WebGLBackend.compute(): The count parameter must be a single number, not an array."),i=i[0]):i&&"object"==typeof i&&i.isIndirectStorageBufferAttribute&&(v("WebGLBackend.compute(): The count parameter must be a single number, not IndirectStorageBufferAttribute"),i=t.count),l[0].isStorageInstancedBufferAttribute?a.drawArraysInstanced(a.POINTS,0,1,i):a.drawArrays(a.POINTS,0,i),a.endTransformFeedback(),a.bindTransformFeedback(a.TRANSFORM_FEEDBACK,null);for(let e=0;e<u.length;e++){const t=u[e];t.pbo&&this.has(t.pbo)&&this.textureUtils.copyBufferToTexture(t.transformBuffer,t.pbo),t.switchBuffers()}}finishCompute(e){const{state:t,gl:r}=this;this.discard=!1,t.disable(r.RASTERIZER_DISCARD),this.prepareTimestampBuffer(Pt.COMPUTE,this.getTimestampUID(e)),this._currentContext&&this._setFramebuffer(this._currentContext)}_isRenderCameraDepthArray(e){return e.depthTexture&&e.depthTexture.isArrayTexture&&e.camera.isArrayCamera}_draw(e,t,r,s,i,n){if(e.isBatchedMesh)if(!1===this.hasFeature("WEBGL_multi_draw")){const{gl:r}=this,s=r.getUniformLocation(n,"nodeUniformDrawId"),i=e._multiDrawStarts,a=e._multiDrawCounts,o=e._multiDrawCount;for(let e=0;e<o;e++)r.uniform1ui(s,e),t.render(i[e],a[e])}else t.renderMultiDraw(e._multiDrawStarts,e._multiDrawCounts,e._multiDrawCount);else i>1?t.renderInstances(r,s,i):t.render(r,s)}draw(e){const{object:t,pipeline:r,material:s,context:i,hardwareClippingPlanes:n}=e,{programGPU:a}=this.get(r),{gl:o,state:u}=this,l=this.get(i),d=e.getDrawParameters();if(null===d)return;this._bindUniforms(e.getBindings());const c=t.isMesh&&t.matrixWorld.determinant()<0;u.setMaterial(s,c,n),null!==i.mrt&&null!==i.textures&&u.setMRTBlending(i.textures,i.mrt,s),u.useProgram(a);const h=e.getAttributes(),p=this.get(h);let g=p.vaoGPU;if(void 0===g){const e=this._getVaoKey(h);g=this.vaoCache[e],void 0===g&&(g=this._createVao(h),this.vaoCache[e]=g,p.vaoGPU=g)}const m=e.getIndex(),f=null!==m?this.get(m).bufferGPU:null;u.setVertexState(g,f);const y=l.lastOcclusionObject;if(y!==t&&void 0!==y){if(null!==y&&!0===y.occlusionTest&&(o.endQuery(o.ANY_SAMPLES_PASSED),l.occlusionQueryIndex++),!0===t.occlusionTest){const e=o.createQuery();o.beginQuery(o.ANY_SAMPLES_PASSED,e),l.occlusionQueries[l.occlusionQueryIndex]=e,l.occlusionQueryObjects[l.occlusionQueryIndex]=t}l.lastOcclusionObject=t}const b=this.bufferRenderer;t.isPoints?b.mode=o.POINTS:t.isLineSegments?b.mode=o.LINES:t.isLine?b.mode=o.LINE_STRIP:t.isLineLoop?b.mode=o.LINE_LOOP:!0===s.wireframe?(u.setLineWidth(s.wireframeLinewidth*this.renderer.getPixelRatio()),b.mode=o.LINES):b.mode=o.TRIANGLES;const{vertexCount:x,instanceCount:T}=d;let{firstVertex:_}=d;if(b.object=t,null!==m){_*=m.array.BYTES_PER_ELEMENT;const e=this.get(m);b.index=m.count,b.type=e.type}else b.index=0;if(!0===e.camera.isArrayCamera&&e.camera.cameras.length>0&&!1===e.camera.isMultiViewCamera){const r=this.get(e.camera),s=e.camera.cameras,i=e.getBindingGroup("cameraIndex").bindings[0];if(void 0===r.indexesGPU||r.indexesGPU.length!==s.length){const e=new Uint32Array([0,0,0,0]),t=[];for(let r=0,i=s.length;r<i;r++){const s=o.createBuffer();e[0]=r,o.bindBuffer(o.UNIFORM_BUFFER,s),o.bufferData(o.UNIFORM_BUFFER,e,o.STATIC_DRAW),t.push(s)}r.indexesGPU=t}let n=0;e:for(const t of e.getBindings())for(const e of t.bindings){if(e===i)break e;(e.isUniformsGroup||e.isUniformBuffer)&&n++}const l=this.renderer.getPixelRatio(),d=this._currentContext.renderTarget,c=this._isRenderCameraDepthArray(this._currentContext),h=this._currentContext.activeCubeFace;if(c){const e=this.get(d.depthTexture);if(e.clearedRenderId!==this.renderer._nodes.nodeFrame.renderId){e.clearedRenderId=this.renderer._nodes.nodeFrame.renderId;const{stencilBuffer:t}=d;for(let e=0,r=s.length;e<r;e++)this.renderer._activeCubeFace=e,this._currentContext.activeCubeFace=e,this._setFramebuffer(this._currentContext),this.clear(!1,!0,t,this._currentContext,!1,!1);this.renderer._activeCubeFace=h,this._currentContext.activeCubeFace=h}}for(let i=0,d=s.length;i<d;i++){const d=s[i];if(t.layers.test(d.layers)){c&&(this.renderer._activeCubeFace=i,this._currentContext.activeCubeFace=i,this._setFramebuffer(this._currentContext));const s=d.viewport;if(void 0!==s){const t=s.x*l,r=s.y*l,i=s.width*l,n=s.height*l;u.viewport(Math.floor(t),Math.floor(e.context.height-n-r),Math.floor(i),Math.floor(n))}u.bindBufferBase(o.UNIFORM_BUFFER,n,r.indexesGPU[i]),this._draw(t,b,_,x,T,a)}this._currentContext.activeCubeFace=h,this.renderer._activeCubeFace=h}}else this._draw(t,b,_,x,T,a)}needsRenderUpdate(){return!1}getRenderCacheKey(){return""}createDefaultTexture(e){this.textureUtils.createDefaultTexture(e)}createTexture(e,t){this.textureUtils.createTexture(e,t)}updateTexture(e,t){this.textureUtils.updateTexture(e,t)}generateMipmaps(e){this.textureUtils.generateMipmaps(e)}destroyTexture(e,t=!1){this.textureUtils.destroyTexture(e,t)}async copyTextureToBuffer(e,t,r,s,i,n){return this.textureUtils.copyTextureToBuffer(e,t,r,s,i,n)}updateSampler(){return""}createNodeBuilder(e,t){return new tE(e,t)}createProgram(e){const t=this.gl,{stage:r,code:s}=e,i="fragment"===r?t.createShader(t.FRAGMENT_SHADER):t.createShader(t.VERTEX_SHADER);t.shaderSource(i,s),t.compileShader(i),this.set(e,{shaderGPU:i})}destroyProgram(e){this.delete(e)}createRenderPipeline(e,t){const r=this.gl,s=e.pipeline,{fragmentProgram:i,vertexProgram:n}=s,a=r.createProgram(),o=this.get(i).shaderGPU,u=this.get(n).shaderGPU;if(r.attachShader(a,o),r.attachShader(a,u),r.linkProgram(a),this.set(s,{programGPU:a,fragmentShader:o,vertexShader:u}),null!==t&&this.parallel){const i=new Promise(t=>{const i=this.parallel,n=()=>{r.getProgramParameter(a,i.COMPLETION_STATUS_KHR)?(this._completeCompile(e,s),t()):requestAnimationFrame(n)};n()});return void t.push(i)}this._completeCompile(e,s)}_handleSource(e,t){const r=e.split("\n"),s=[],i=Math.max(t-6,0),n=Math.min(t+6,r.length);for(let e=i;e<n;e++){const i=e+1;s.push(`${i===t?">":" "} ${i}: ${r[e]}`)}return s.join("\n")}_getShaderErrors(e,t,r){const s=e.getShaderParameter(t,e.COMPILE_STATUS),i=(e.getShaderInfoLog(t)||"").trim();if(s&&""===i)return"";const n=/ERROR: 0:(\d+)/.exec(i);if(n){const s=parseInt(n[1]);return r.toUpperCase()+"\n\n"+i+"\n\n"+this._handleSource(e.getShaderSource(t),s)}return i}_logProgramError(e,t,r){if(this.renderer.debug.checkShaderErrors){const s=this.gl,i=(s.getProgramInfoLog(e)||"").trim();if(!1===s.getProgramParameter(e,s.LINK_STATUS))if("function"==typeof this.renderer.debug.onShaderError)this.renderer.debug.onShaderError(s,e,r,t);else{const n=this._getShaderErrors(s,r,"vertex"),a=this._getShaderErrors(s,t,"fragment");o("WebGLProgram: Shader Error "+s.getError()+" - VALIDATE_STATUS "+s.getProgramParameter(e,s.VALIDATE_STATUS)+"\n\nProgram Info Log: "+i+"\n"+n+"\n"+a)}else""!==i&&d("WebGLProgram: Program Info Log:",i)}}_completeCompile(e,t){const{state:r,gl:s}=this,i=this.get(t),{programGPU:n,fragmentShader:a,vertexShader:o}=i;!1===s.getProgramParameter(n,s.LINK_STATUS)&&this._logProgramError(n,a,o),r.useProgram(n);const u=e.getBindings();this._setupBindings(u,n),this.set(t,{programGPU:n,pipeline:n})}createComputePipeline(e,t){const{state:r,gl:s}=this,i={stage:"fragment",code:"#version 300 es\nprecision highp float;\nvoid main() {}"};this.createProgram(i);const{computeProgram:n}=e,a=s.createProgram(),o=this.get(i).shaderGPU,u=this.get(n).shaderGPU,l=n.transforms,d=[],c=[];for(let e=0;e<l.length;e++){const t=l[e];d.push(t.varyingName),c.push(t.attributeNode)}s.attachShader(a,o),s.attachShader(a,u),s.transformFeedbackVaryings(a,d,s.SEPARATE_ATTRIBS),s.linkProgram(a),!1===s.getProgramParameter(a,s.LINK_STATUS)&&this._logProgramError(a,o,u),r.useProgram(a),this._setupBindings(t,a);const h=n.attributes,p=[],g=[];for(let e=0;e<h.length;e++){const t=h[e].node.attribute;p.push(t),this.has(t)||this.attributeUtils.createAttribute(t,s.ARRAY_BUFFER)}for(let e=0;e<c.length;e++){const t=c[e].attribute;this.has(t)||this.attributeUtils.createAttribute(t,s.ARRAY_BUFFER);const r=this.get(t);g.push(r)}this.set(e,{programGPU:a,transformBuffers:g,attributes:p})}createBindings(e,t){if(!1===this._knownBindings.has(t)){this._knownBindings.add(t);let e=0,r=0;for(const s of t){this.set(s,{textures:r,uniformBuffers:e});for(const t of s.bindings)t.isUniformBuffer&&e++,t.isSampledTexture&&r++}}this.updateBindings(e,t)}updateBindings(e){const{gl:t}=this;for(const r of e.bindings){const e=this.get(r);if(r.isUniformsGroup||r.isUniformBuffer){const s=r.buffer,i=e.bufferGPU;t.bindBuffer(t.UNIFORM_BUFFER,i);const n=r.updateRanges;if(t.bindBuffer(t.UNIFORM_BUFFER,i),0===n.length)t.bufferData(t.UNIFORM_BUFFER,s,t.DYNAMIC_DRAW);else{const e=Qr(s),r=e?1:s.BYTES_PER_ELEMENT;for(let i=0,a=n.length;i<a;i++){const a=n[i],o=a.start*r,u=a.count*r,l=o*(e?s.BYTES_PER_ELEMENT:1);t.bufferSubData(t.UNIFORM_BUFFER,l,s,o,u)}}this.set(r,e)}else if(r.isSampledTexture){const{textureGPU:t,glTextureType:s}=this.get(r.texture);e.textureGPU=t,e.glTextureType=s,this.set(r,e)}}}updateBinding(e){const t=this.gl;if(e.isUniformsGroup||e.isUniformBuffer){const r=this.get(e).bufferGPU,s=e.buffer,i=e.updateRanges;if(t.bindBuffer(t.UNIFORM_BUFFER,r),0===i.length)t.bufferData(t.UNIFORM_BUFFER,s,t.DYNAMIC_DRAW);else{const e=Qr(s),r=e?1:s.BYTES_PER_ELEMENT;for(let n=0,a=i.length;n<a;n++){const a=i[n],o=a.start*r,u=a.count*r,l=o*(e?s.BYTES_PER_ELEMENT:1);t.bufferSubData(t.UNIFORM_BUFFER,l,s,o,u)}}}}createUniformBuffer(e){const t=this.get(e);if(void 0===t.bufferGPU){const r=this.gl,s=e.buffer;t.bufferGPU=r.createBuffer(),r.bindBuffer(r.UNIFORM_BUFFER,t.bufferGPU),r.bufferData(r.UNIFORM_BUFFER,s.byteLength,r.DYNAMIC_DRAW)}}destroyUniformBuffer(e){const t=this.get(e);this.gl.deleteBuffer(t.bufferGPU),this.delete(e)}createIndexAttribute(e){const t=this.gl;this.attributeUtils.createAttribute(e,t.ELEMENT_ARRAY_BUFFER)}createAttribute(e){if(this.has(e))return;const t=this.gl;this.attributeUtils.createAttribute(e,t.ARRAY_BUFFER)}createStorageAttribute(e){if(this.has(e))return;const t=this.gl;this.attributeUtils.createAttribute(e,t.ARRAY_BUFFER)}updateAttribute(e){this.attributeUtils.updateAttribute(e)}destroyAttribute(e){this.attributeUtils.destroyAttribute(e)}hasFeature(e){const t=Object.keys(TE).filter(t=>TE[t]===e),r=this.extensions;for(let e=0;e<t.length;e++)if(r.has(t[e]))return!0;return!1}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){this.textureUtils.copyTextureToTexture(e,t,r,s,i,n)}copyFramebufferToTexture(e,t,r){this.textureUtils.copyFramebufferToTexture(e,t,r)}hasCompatibility(e){return e===E.TEXTURE_COMPARE||super.hasCompatibility(e)}initRenderTarget(e){const{gl:t,state:r}=this;this._setFramebuffer(e),r.bindFramebuffer(t.FRAMEBUFFER,null)}_setFramebuffer(e){const{gl:t,state:r}=this;let s=null;if(null!==e.textures){const i=e.renderTarget,n=this.get(i),{samples:a,depthBuffer:o,stencilBuffer:u}=i,l=!0===i.isCubeRenderTarget,d=!0===i.isRenderTarget3D,c=i.depth>1,h=!0===i.isXRRenderTarget,p=!0===h&&!0===i._hasExternalTextures;let g=n.msaaFrameBuffer,m=n.depthRenderbuffer;const f=this.extensions.get("WEBGL_multisampled_render_to_texture"),y=this.extensions.get("OVR_multiview2"),b=this._useMultisampledExtension(i),x=Nb(e);let T;if(l?(n.cubeFramebuffers||(n.cubeFramebuffers={}),T=n.cubeFramebuffers[x]):h&&!1===p?T=this._xrFramebuffer:(n.framebuffers||(n.framebuffers={}),T=n.framebuffers[x]),void 0===T){T=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,T);const s=e.textures,o=[];if(l){n.cubeFramebuffers[x]=T;const{textureGPU:e}=this.get(s[0]),r=this.renderer._activeCubeFace,i=this.renderer._activeMipmapLevel;t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_CUBE_MAP_POSITIVE_X+r,e,i)}else{n.framebuffers[x]=T;for(let r=0;r<s.length;r++){const n=s[r],o=this.get(n);o.renderTarget=e.renderTarget,o.cacheKey=x;const u=t.COLOR_ATTACHMENT0+r;if(i.multiview)y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,u,o.textureGPU,0,a,0,2);else if(d||c){const e=this.renderer._activeCubeFace,r=this.renderer._activeMipmapLevel;t.framebufferTextureLayer(t.FRAMEBUFFER,u,o.textureGPU,r,e)}else if(b)f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,u,t.TEXTURE_2D,o.textureGPU,0,a);else{const e=this.renderer._activeMipmapLevel;t.framebufferTexture2D(t.FRAMEBUFFER,u,t.TEXTURE_2D,o.textureGPU,e)}}}const h=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;if(!0===i._autoAllocateDepthBuffer){const r=t.createRenderbuffer();this.textureUtils.setupRenderBufferStorage(r,e,0,b),n.xrDepthRenderbuffer=r,o.push(u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT),t.bindRenderbuffer(t.RENDERBUFFER,r),t.framebufferRenderbuffer(t.FRAMEBUFFER,h,t.RENDERBUFFER,r)}else if(null!==e.depthTexture){o.push(u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT);const r=this.get(e.depthTexture);if(r.renderTarget=e.renderTarget,r.cacheKey=x,i.multiview)y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,h,r.textureGPU,0,a,0,2);else if(p&&b)f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,h,t.TEXTURE_2D,r.textureGPU,0,a);else if(e.depthTexture.isArrayTexture){const e=this.renderer._activeCubeFace;t.framebufferTextureLayer(t.FRAMEBUFFER,h,r.textureGPU,0,e)}else if(e.depthTexture.isCubeTexture){const e=this.renderer._activeCubeFace;t.framebufferTexture2D(t.FRAMEBUFFER,h,t.TEXTURE_CUBE_MAP_POSITIVE_X+e,r.textureGPU,0)}else t.framebufferTexture2D(t.FRAMEBUFFER,h,t.TEXTURE_2D,r.textureGPU,0)}n.depthInvalidationArray=o}else{if(this._isRenderCameraDepthArray(e)){r.bindFramebuffer(t.FRAMEBUFFER,T);const s=this.renderer._activeCubeFace,i=this.get(e.depthTexture),n=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;t.framebufferTextureLayer(t.FRAMEBUFFER,n,i.textureGPU,0,s)}if((h||b||i.multiview)&&!0!==i._isOpaqueFramebuffer){r.bindFramebuffer(t.FRAMEBUFFER,T);const s=this.get(e.textures[0]);i.multiview?y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,s.textureGPU,0,a,0,2):b?f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,s.textureGPU,0,a):t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,s.textureGPU,0);const o=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;if(!0===i._autoAllocateDepthBuffer){const e=n.xrDepthRenderbuffer;t.bindRenderbuffer(t.RENDERBUFFER,e),t.framebufferRenderbuffer(t.FRAMEBUFFER,o,t.RENDERBUFFER,e)}else{const r=this.get(e.depthTexture);i.multiview?y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,o,r.textureGPU,0,a,0,2):b?f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,o,t.TEXTURE_2D,r.textureGPU,0,a):t.framebufferTexture2D(t.FRAMEBUFFER,o,t.TEXTURE_2D,r.textureGPU,0)}}}if(a>0&&!1===b&&!i.multiview){if(void 0===g){const s=[];g=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,g);const i=[],l=e.textures;for(let r=0;r<l.length;r++){i[r]=t.createRenderbuffer(),t.bindRenderbuffer(t.RENDERBUFFER,i[r]),s.push(t.COLOR_ATTACHMENT0+r);const n=e.textures[r],o=this.get(n);t.renderbufferStorageMultisample(t.RENDERBUFFER,a,o.glInternalFormat,e.width,e.height),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0+r,t.RENDERBUFFER,i[r])}if(t.bindRenderbuffer(t.RENDERBUFFER,null),n.msaaFrameBuffer=g,n.msaaRenderbuffers=i,o&&void 0===m){m=t.createRenderbuffer(),this.textureUtils.setupRenderBufferStorage(m,e,a),n.depthRenderbuffer=m;const r=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;s.push(r)}n.invalidationArray=s}s=n.msaaFrameBuffer}else s=T;r.drawBuffers(e,T)}r.bindFramebuffer(t.FRAMEBUFFER,s)}_getVaoKey(e){let t="";for(let r=0;r<e.length;r++){t+=":"+this.get(e[r]).id}return t}_createVao(e){const{gl:t}=this,r=t.createVertexArray();t.bindVertexArray(r);for(let r=0;r<e.length;r++){const s=e[r],i=this.get(s);let n,a;t.bindBuffer(t.ARRAY_BUFFER,i.bufferGPU),t.enableVertexAttribArray(r),!0===s.isInterleavedBufferAttribute?(n=s.data.stride*i.bytesPerElement,a=s.offset*i.bytesPerElement):(n=0,a=0),i.isInteger?t.vertexAttribIPointer(r,s.itemSize,i.type,n,a):t.vertexAttribPointer(r,s.itemSize,i.type,s.normalized,n,a),s.isInstancedBufferAttribute&&!s.isInterleavedBufferAttribute?t.vertexAttribDivisor(r,s.meshPerAttribute):s.isInterleavedBufferAttribute&&s.data.isInstancedInterleavedBuffer&&t.vertexAttribDivisor(r,s.data.meshPerAttribute)}return t.bindBuffer(t.ARRAY_BUFFER,null),r}_getTransformFeedback(e){let t="";for(let r=0;r<e.length;r++)t+=":"+e[r].id;let r=this.transformFeedbackCache[t];if(void 0!==r)return r;const{gl:s}=this;r=s.createTransformFeedback(),s.bindTransformFeedback(s.TRANSFORM_FEEDBACK,r);for(let t=0;t<e.length;t++){const r=e[t];s.bindBufferBase(s.TRANSFORM_FEEDBACK_BUFFER,t,r.transformBuffer)}return s.bindTransformFeedback(s.TRANSFORM_FEEDBACK,null),this.transformFeedbackCache[t]=r,r}_setupBindings(e,t){const r=this.gl;let s=0,i=0;for(const n of e)for(const e of n.bindings)if(e.isUniformsGroup||e.isUniformBuffer){const i=s++,n=r.getUniformBlockIndex(t,e.name);r.uniformBlockBinding(t,n,i)}else if(e.isSampledTexture){const s=i++,n=r.getUniformLocation(t,e.name);r.uniform1i(n,s)}}_bindUniforms(e){const{gl:t,state:r}=this;let s=0,i=0;for(const n of e)for(const e of n.bindings){const n=this.get(e);if(e.isUniformsGroup||e.isUniformBuffer){const e=s++;r.bindBufferBase(t.UNIFORM_BUFFER,e,n.bufferGPU)}else if(e.isSampledTexture){const e=i++;r.bindTexture(n.glTextureType,n.textureGPU,t.TEXTURE0+e)}}}_resolveRenderTarget(e){const{gl:t,state:r}=this,s=e.renderTarget;if(null!==e.textures&&s){const i=this.get(s);if(s.samples>0&&!1===this._useMultisampledExtension(s)){const n=i.framebuffers[e.getCacheKey()];let a=t.COLOR_BUFFER_BIT;s.resolveDepthBuffer&&(s.depthBuffer&&(a|=t.DEPTH_BUFFER_BIT),s.stencilBuffer&&s.resolveStencilBuffer&&(a|=t.STENCIL_BUFFER_BIT));const o=i.msaaFrameBuffer,u=i.msaaRenderbuffers,l=e.textures,d=l.length>1;if(r.bindFramebuffer(t.READ_FRAMEBUFFER,o),r.bindFramebuffer(t.DRAW_FRAMEBUFFER,n),d)for(let e=0;e<l.length;e++)t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.RENDERBUFFER,null),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.TEXTURE_2D,null,0);for(let r=0;r<l.length;r++){if(d){const{textureGPU:e}=this.get(l[r]);t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.RENDERBUFFER,u[r]),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,e,0)}if(e.scissor){const{x:r,y:s,width:i,height:n}=e.scissorValue,o=e.height-n-s;t.blitFramebuffer(r,o,r+i,o+n,r,o,r+i,o+n,a,t.NEAREST)}else t.blitFramebuffer(0,0,e.width,e.height,0,0,e.width,e.height,a,t.NEAREST)}if(d)for(let e=0;e<l.length;e++){const{textureGPU:r}=this.get(l[e]);t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.RENDERBUFFER,u[e]),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.TEXTURE_2D,r,0)}!0===this._supportsInvalidateFramebuffer&&t.invalidateFramebuffer(t.READ_FRAMEBUFFER,i.invalidationArray)}else if(!1===s.resolveDepthBuffer&&i.framebuffers){const s=i.framebuffers[e.getCacheKey()];r.bindFramebuffer(t.DRAW_FRAMEBUFFER,s),t.invalidateFramebuffer(t.DRAW_FRAMEBUFFER,i.depthInvalidationArray)}}}_useMultisampledExtension(e){return!0===e.multiview||e.samples>0&&!0===this.extensions.has("WEBGL_multisampled_render_to_texture")&&!1!==e._autoAllocateDepthBuffer}dispose(){null!==this.textureUtils&&this.textureUtils.dispose();const e=this.extensions.get("WEBGL_lose_context");e&&e.loseContext(),this.renderer.domElement.removeEventListener("webglcontextlost",this._onContextLost)}}const RE="point-list",EE="line-list",wE="line-strip",AE="triangle-list",CE="undefined"!=typeof self&&self.GPUShaderStage?self.GPUShaderStage:{VERTEX:1,FRAGMENT:2,COMPUTE:4},ME="never",BE="less",LE="equal",FE="less-equal",PE="greater",UE="not-equal",DE="greater-equal",IE="always",OE="store",VE="load",kE="clear",GE="ccw",$E="cw",zE="none",WE="back",HE="uint16",jE="uint32",qE="r8unorm",XE="r8snorm",YE="r8uint",QE="r8sint",KE="r16uint",ZE="r16sint",JE="r16float",ew="rg8unorm",tw="rg8snorm",rw="rg8uint",sw="rg8sint",iw="r16unorm",nw="r16snorm",aw="r32uint",ow="r32sint",uw="r32float",lw="rg16uint",dw="rg16sint",cw="rg16float",hw="rgba8unorm",pw="rgba8unorm-srgb",gw="rgba8snorm",mw="rgba8uint",fw="rgba8sint",yw="bgra8unorm",bw="bgra8unorm-srgb",xw="rg16unorm",Tw="rg16snorm",_w="rgb9e5ufloat",vw="rgb10a2unorm",Nw="rg11b10ufloat",Sw="rg32uint",Rw="rg32sint",Ew="rg32float",ww="rgba16uint",Aw="rgba16sint",Cw="rgba16float",Mw="rgba16unorm",Bw="rgba16snorm",Lw="rgba32uint",Fw="rgba32sint",Pw="rgba32float",Uw="depth16unorm",Dw="depth24plus",Iw="depth24plus-stencil8",Ow="depth32float",Vw="depth32float-stencil8",kw="bc1-rgba-unorm",Gw="bc1-rgba-unorm-srgb",$w="bc2-rgba-unorm",zw="bc2-rgba-unorm-srgb",Ww="bc3-rgba-unorm",Hw="bc3-rgba-unorm-srgb",jw="bc4-r-unorm",qw="bc4-r-snorm",Xw="bc5-rg-unorm",Yw="bc5-rg-snorm",Qw="bc6h-rgb-ufloat",Kw="bc6h-rgb-float",Zw="bc7-rgba-unorm",Jw="bc7-rgba-unorm-srgb",eA="etc2-rgb8unorm",tA="etc2-rgb8unorm-srgb",rA="etc2-rgb8a1unorm",sA="etc2-rgb8a1unorm-srgb",iA="etc2-rgba8unorm",nA="etc2-rgba8unorm-srgb",aA="eac-r11unorm",oA="eac-r11snorm",uA="eac-rg11unorm",lA="eac-rg11snorm",dA="astc-4x4-unorm",cA="astc-4x4-unorm-srgb",hA="astc-5x4-unorm",pA="astc-5x4-unorm-srgb",gA="astc-5x5-unorm",mA="astc-5x5-unorm-srgb",fA="astc-6x5-unorm",yA="astc-6x5-unorm-srgb",bA="astc-6x6-unorm",xA="astc-6x6-unorm-srgb",TA="astc-8x5-unorm",_A="astc-8x5-unorm-srgb",vA="astc-8x6-unorm",NA="astc-8x6-unorm-srgb",SA="astc-8x8-unorm",RA="astc-8x8-unorm-srgb",EA="astc-10x5-unorm",wA="astc-10x5-unorm-srgb",AA="astc-10x6-unorm",CA="astc-10x6-unorm-srgb",MA="astc-10x8-unorm",BA="astc-10x8-unorm-srgb",LA="astc-10x10-unorm",FA="astc-10x10-unorm-srgb",PA="astc-12x10-unorm",UA="astc-12x10-unorm-srgb",DA="astc-12x12-unorm",IA="astc-12x12-unorm-srgb",OA="clamp-to-edge",VA="repeat",kA="mirror-repeat",GA="linear",$A="nearest",zA="zero",WA="one",HA="src",jA="one-minus-src",qA="src-alpha",XA="one-minus-src-alpha",YA="dst",QA="one-minus-dst",KA="dst-alpha",ZA="one-minus-dst-alpha",JA="src-alpha-saturated",eC="constant",tC="one-minus-constant",rC="add",sC="subtract",iC="reverse-subtract",nC="min",aC="max",oC=0,uC=15,lC="keep",dC="zero",cC="replace",hC="invert",pC="increment-clamp",gC="decrement-clamp",mC="increment-wrap",fC="decrement-wrap",yC="storage",bC="read-only-storage",xC="write-only",TC="read-only",_C="read-write",vC="non-filtering",NC="comparison",SC="float",RC="unfilterable-float",EC="depth",wC="sint",AC="uint",CC="2d",MC="3d",BC="2d",LC="2d-array",FC="cube",PC="3d",UC="all",DC="vertex",IC="instance",OC={CoreFeaturesAndLimits:"core-features-and-limits",DepthClipControl:"depth-clip-control",Depth32FloatStencil8:"depth32float-stencil8",TextureCompressionBC:"texture-compression-bc",TextureCompressionBCSliced3D:"texture-compression-bc-sliced-3d",TextureCompressionETC2:"texture-compression-etc2",TextureCompressionASTC:"texture-compression-astc",TextureCompressionASTCSliced3D:"texture-compression-astc-sliced-3d",TimestampQuery:"timestamp-query",IndirectFirstInstance:"indirect-first-instance",ShaderF16:"shader-f16",RG11B10UFloat:"rg11b10ufloat-renderable",BGRA8UNormStorage:"bgra8unorm-storage",Float32Filterable:"float32-filterable",Float32Blendable:"float32-blendable",ClipDistances:"clip-distances",DualSourceBlending:"dual-source-blending",Subgroups:"subgroups",TextureFormatsTier1:"texture-formats-tier1",TextureFormatsTier2:"texture-formats-tier2"},VC={"texture-compression-s3tc":"texture-compression-bc","texture-compression-etc1":"texture-compression-etc2"};class kC extends $R{constructor(e,t,r){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r}update(){const{textureNode:e}=this;return this.texture!==e.value?(this.texture=e.value,!0):super.update()}}class GC extends UR{constructor(e,t){super(e,t?t.array:null),this._attribute=t,this.isStorageBuffer=!0}get attribute(){return this._attribute}}let $C=0;class zC extends GC{constructor(e,t){super("StorageBuffer_"+$C++,e?e.value:null),this.nodeUniform=e,this.access=e?e.access:ai.READ_WRITE,this.groupNode=t}get attribute(){return this.nodeUniform.value}get buffer(){return this.nodeUniform.value.array}}const WC=[null];class HC{constructor(e){this.backend=e}getCurrentDepthStencilFormat(e){let t;return e.depth&&(t=null!==e.depthTexture?this.getTextureFormatGPU(e.depthTexture):e.stencil?!0===this.backend.renderer.reversedDepthBuffer?Vw:Iw:!0===this.backend.renderer.reversedDepthBuffer?Ow:Dw),t}getTextureFormatGPU(e){return this.backend.get(e).format}getTextureSampleData(e){let t;if(e.isFramebufferTexture)t=1;else if(e.isDepthTexture&&!e.renderTarget){const e=this.backend.renderer,r=e.getRenderTarget();t=r?r.samples:e.currentSamples}else e.renderTarget&&(t=e.renderTarget.samples);t=this.getSampleCount(t||1);const r=t>1&&null!==e.renderTarget&&!0!==e.isDepthTexture&&!0!==e.isFramebufferTexture;return{samples:t,primarySamples:r?1:t,isMSAA:r}}getCurrentColorFormat(e){let t;return t=null!==e.textures?this.getTextureFormatGPU(e.textures[0]):this.getPreferredCanvasFormat(),t}getCurrentColorFormats(e){return null!==e.textures?e.textures.map(e=>this.getTextureFormatGPU(e)):[this.getPreferredCanvasFormat()]}getCurrentColorSpace(e){return null!==e.textures?e.textures[0].colorSpace:this.backend.renderer.outputColorSpace}getPrimitiveTopology(e,t){return e.isPoints?RE:e.isLineSegments||e.isMesh&&!0===t.wireframe?EE:e.isLine?wE:e.isMesh?AE:void 0}getSampleCount(e){return e>=4?4:1}getSampleCountRenderContext(e){return null!==e.textures?this.getSampleCount(e.sampleCount):this.getSampleCount(this.backend.renderer.currentSamples)}getPreferredCanvasFormat(){const e=this.backend.parameters.outputType;if(void 0===e)return navigator.gpu.getPreferredCanvasFormat();if(e===Ve)return yw;if(e===Te)return Cw;throw new Error("THREE.WebGPUUtils: Unsupported output buffer type.")}}function jC(e,t){WC[0]=t,e.queue.submit(WC),WC[0]=null}class qC{constructor(){this.label="",this.layout=null,this.entries=[]}reset(){this.label="",this.layout=null,this.entries.length=0}}class XC{constructor(){this.label="",this.size=0,this.usage=0,this.mappedAtCreation=!1}reset(){this.label="",this.size=0,this.usage=0,this.mappedAtCreation=!1}}class YC{constructor(){this.label=""}reset(){this.label=""}}class QC{constructor(){this.label="",this.colorFormats=null,this.depthStencilFormat=void 0,this.sampleCount=1,this.depthReadOnly=!1,this.stencilReadOnly=!1}reset(){this.label="",this.colorFormats=null,this.depthStencilFormat=void 0,this.sampleCount=1,this.depthReadOnly=!1,this.stencilReadOnly=!1}}class KC{constructor(){this.view=null,this.depthSlice=void 0,this.resolveTarget=void 0,this.clearValue=void 0,this.loadOp=void 0,this.storeOp=void 0}reset(){this.view=null,this.depthSlice=void 0,this.resolveTarget=void 0,this.clearValue=void 0,this.loadOp=void 0,this.storeOp=void 0}}class ZC{constructor(){this.label="",this.colorAttachments=[],this.depthStencilAttachment=void 0,this.occlusionQuerySet=void 0,this.timestampWrites=void 0,this.maxDrawCount=5e7}reset(){this.label="",this.colorAttachments.length=0,this.depthStencilAttachment=void 0,this.occlusionQuerySet=void 0,this.timestampWrites=void 0,this.maxDrawCount=5e7}}class JC{constructor(){this.label="",this.layout=null,this.vertex=null,this.primitive={},this.depthStencil=void 0,this.multisample=new eM,this.fragment=null}reset(){this.label="",this.layout=null,this.vertex=null,this.primitive={},this.depthStencil=void 0,this.multisample.reset(),this.fragment=null}}class eM{constructor(){this.count=1,this.mask=4294967295,this.alphaToCoverageEnabled=!1}reset(){this.count=1,this.mask=4294967295,this.alphaToCoverageEnabled=!1}}class tM{constructor(){this.label="",this.code="",this.compilationHints=[]}reset(){this.label="",this.code="",this.compilationHints.length=0}}class rM{constructor(){this.label="",this.size={width:0,height:1,depthOrArrayLayers:1},this.mipLevelCount=1,this.sampleCount=1,this.dimension="2d",this.format=void 0,this.usage=void 0,this.viewFormats=[],this.textureBindingViewDimension=void 0}reset(){this.label="",this.size.width=0,this.size.height=1,this.size.depthOrArrayLayers=1,this.mipLevelCount=1,this.sampleCount=1,this.dimension="2d",this.format=void 0,this.usage=void 0,this.viewFormats.length=0,this.textureBindingViewDimension=void 0}}class sM{constructor(){this.label="",this.format=void 0,this.dimension=void 0,this.usage=0,this.aspect="all",this.baseMipLevel=0,this.mipLevelCount=void 0,this.baseArrayLayer=0,this.arrayLayerCount=void 0,this.swizzle="rgba"}reset(){this.label="",this.format=void 0,this.dimension=void 0,this.usage=0,this.aspect="all",this.baseMipLevel=0,this.mipLevelCount=void 0,this.baseArrayLayer=0,this.arrayLayerCount=void 0,this.swizzle="rgba"}}const iM=new qC,nM=new XC,aM=new YC,oM=new QC,uM=new ZC,lM=new JC,dM=new KC,cM=new tM,hM=new rM,pM=new sM;class gM extends Yy{constructor(e){super(),this.device=e;this.mipmapSampler=e.createSampler({minFilter:GA}),this.flipYSampler=e.createSampler({minFilter:$A}),nM.size=4,nM.usage=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,this.flipUniformBuffer=e.createBuffer(nM),nM.reset(),e.queue.writeBuffer(this.flipUniformBuffer,0,new Uint32Array([1])),nM.size=4,nM.usage=GPUBufferUsage.UNIFORM,this.noFlipUniformBuffer=e.createBuffer(nM),nM.reset(),this.transferPipelines={},cM.label="mipmap",cM.code="\nstruct VarysStruct {\n\t@builtin( position ) Position: vec4f,\n\t@location( 0 ) vTex : vec2f,\n\t@location( 1 ) @interpolate(flat, either) vBaseArrayLayer: u32,\n};\n\n@group( 0 ) @binding ( 2 )\nvar<uniform> flipY: u32;\n\n@vertex\nfn mainVS(\n\t\t@builtin( vertex_index ) vertexIndex : u32,\n\t\t@builtin( instance_index ) instanceIndex : u32 ) -> VarysStruct {\n\n\tvar Varys : VarysStruct;\n\n\tvar pos = array(\n\t\tvec2f( -1, -1 ),\n\t\tvec2f( -1,  3 ),\n\t\tvec2f(  3, -1 ),\n\t);\n\n\tlet p = pos[ vertexIndex ];\n\tlet mult = select( vec2f( 0.5, -0.5 ), vec2f( 0.5, 0.5 ), flipY != 0 );\n\tVarys.vTex = p * mult + vec2f( 0.5 );\n\tVarys.Position = vec4f( p, 0, 1 );\n\tVarys.vBaseArrayLayer = instanceIndex;\n\n\treturn Varys;\n\n}\n\n@group( 0 ) @binding( 0 )\nvar imgSampler : sampler;\n\n@group( 0 ) @binding( 1 )\nvar img2d : texture_2d<f32>;\n\n@fragment\nfn main_2d( Varys: VarysStruct ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( img2d, imgSampler, Varys.vTex );\n\n}\n\n@group( 0 ) @binding( 1 )\nvar img2dArray : texture_2d_array<f32>;\n\n@fragment\nfn main_2d_array( Varys: VarysStruct ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( img2dArray, imgSampler, Varys.vTex, Varys.vBaseArrayLayer );\n\n}\n\nconst faceMat = array(\n  mat3x3f(  0,  0,  -2,  0, -2,   0,  1,  1,   1 ),   // pos-x\n  mat3x3f(  0,  0,   2,  0, -2,   0, -1,  1,  -1 ),   // neg-x\n  mat3x3f(  2,  0,   0,  0,  0,   2, -1,  1,  -1 ),   // pos-y\n  mat3x3f(  2,  0,   0,  0,  0,  -2, -1, -1,   1 ),   // neg-y\n  mat3x3f(  2,  0,   0,  0, -2,   0, -1,  1,   1 ),   // pos-z\n  mat3x3f( -2,  0,   0,  0, -2,   0,  1,  1,  -1 ),   // neg-z\n);\n\n@group( 0 ) @binding( 1 )\nvar imgCube : texture_cube<f32>;\n\n@fragment\nfn main_cube( Varys: VarysStruct ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( imgCube, imgSampler, faceMat[ Varys.vBaseArrayLayer ] * vec3f( fract( Varys.vTex ), 1 ) );\n\n}\n",this.mipmapShaderModule=e.createShaderModule(cM),cM.reset()}getTransferPipeline(e,t){const r=`${e}-${t=t||"2d-array"}`;let s=this.transferPipelines[r];return void 0===s&&(lM.label=`mipmap-${e}-${t}`,lM.vertex={module:this.mipmapShaderModule},lM.fragment={module:this.mipmapShaderModule,entryPoint:`main_${t.replace("-","_")}`,targets:[{format:e}]},lM.layout="auto",s=this.device.createRenderPipeline(lM),lM.reset(),this.transferPipelines[r]=s),s}flipY(e,t,r=0){const s=t.format,{width:i,height:n}=t.size;hM.size.width=i,hM.size.height=n,hM.format=s,hM.usage=GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING;const a=this.device.createTexture(hM);hM.reset();const o=this.getTransferPipeline(s,e.textureBindingViewDimension),u=this.getTransferPipeline(s,a.textureBindingViewDimension),l=this.device.createCommandEncoder(aM),d=(e,t,r,s,i,n)=>{const a=e.getBindGroupLayout(0);pM.dimension=t.textureBindingViewDimension||"2d-array",pM.mipLevelCount=1;const o=t.createView(pM);pM.reset(),iM.layout=a,iM.entries.push({binding:0,resource:this.flipYSampler},{binding:1,resource:o},{binding:2,resource:{buffer:n?this.flipUniformBuffer:this.noFlipUniformBuffer}});const u=this.device.createBindGroup(iM);iM.reset(),pM.dimension="2d",pM.mipLevelCount=1,pM.baseArrayLayer=i,pM.arrayLayerCount=1;const d=s.createView(pM);pM.reset(),dM.view=d,dM.loadOp=kE,dM.storeOp=OE,uM.colorAttachments.push(dM);const c=l.beginRenderPass(uM);uM.reset(),dM.reset(),c.setPipeline(e),c.setBindGroup(0,u),c.draw(3,1,0,r),c.end()};d(o,e,r,a,0,!1),d(u,a,0,e,r,!0),jC(this.device,l.finish()),a.destroy()}generateMipmaps(e,t=null){const r=this.get(e),s=r.layers||this._mipmapCreateBundles(e);let i=t;null===i&&(aM.label="mipmapEncoder",i=this.device.createCommandEncoder(aM),aM.reset()),this._mipmapRunBundles(i,s),null===t&&jC(this.device,i.finish()),r.layers=s}_mipmapCreateBundles(e){const t=e.textureBindingViewDimension||"2d-array",r=this.getTransferPipeline(e.format,t),s=r.getBindGroupLayout(0),i=[];for(let n=1;n<e.mipLevelCount;n++)for(let a=0;a<e.depthOrArrayLayers;a++){pM.dimension=t,pM.baseMipLevel=n-1,pM.mipLevelCount=1;const o=e.createView(pM);pM.reset(),iM.layout=s,iM.entries.push({binding:0,resource:this.mipmapSampler},{binding:1,resource:o},{binding:2,resource:{buffer:this.noFlipUniformBuffer}});const u=this.device.createBindGroup(iM);iM.reset(),pM.dimension="2d",pM.baseMipLevel=n,pM.mipLevelCount=1,pM.baseArrayLayer=a,pM.arrayLayerCount=1;const l=e.createView(pM);pM.reset();const d=new KC;d.view=l,d.loadOp=kE,d.storeOp=OE;const c=new ZC;c.colorAttachments.push(d),oM.colorFormats=[e.format];const h=this.device.createRenderBundleEncoder(oM);oM.reset(),h.setPipeline(r),h.setBindGroup(0,u),h.draw(3,1,0,a),i.push({renderBundles:[h.finish()],passDescriptor:c})}return i}_mipmapRunBundles(e,t){const r=t.length;for(let s=0;s<r;s++){const r=t[s],i=e.beginRenderPass(r.passDescriptor);i.executeBundles(r.renderBundles),i.end()}}}class mM{constructor(){this.texture=null,this.mipLevel=0,this.origin={x:0,y:0,z:0},this.aspect="all"}reset(){this.texture=null,this.mipLevel=0,this.origin.x=0,this.origin.y=0,this.origin.z=0,this.aspect="all"}}class fM{constructor(){this.width=0,this.height=1,this.depthOrArrayLayers=1}reset(){this.width=0,this.height=1,this.depthOrArrayLayers=1}}const yM=new XC,bM=new YC,xM=new class{constructor(){this.label="",this.addressModeU="clamp-to-edge",this.addressModeV="clamp-to-edge",this.addressModeW="clamp-to-edge",this.magFilter="nearest",this.minFilter="nearest",this.mipmapFilter="nearest",this.lodMinClamp=0,this.lodMaxClamp=32,this.compare=void 0,this.maxAnisotropy=1}reset(){this.label="",this.addressModeU="clamp-to-edge",this.addressModeV="clamp-to-edge",this.addressModeW="clamp-to-edge",this.magFilter="nearest",this.minFilter="nearest",this.mipmapFilter="nearest",this.lodMinClamp=0,this.lodMaxClamp=32,this.compare=void 0,this.maxAnisotropy=1}},TM=new mM,_M=new class{constructor(){this.buffer=null,this.offset=0,this.bytesPerRow=void 0,this.rowsPerImage=void 0}reset(){this.buffer=null,this.offset=0,this.bytesPerRow=void 0,this.rowsPerImage=void 0}},vM=new class{constructor(){this.offset=0,this.bytesPerRow=void 0,this.rowsPerImage=void 0}reset(){this.offset=0,this.bytesPerRow=void 0,this.rowsPerImage=void 0}},NM=new class{constructor(){this.source=null,this.origin={x:0,y:0},this.flipY=!1}reset(){this.source=null,this.origin.x=0,this.origin.y=0,this.flipY=!1}},SM=new class extends mM{constructor(){super(),this.colorSpace="srgb",this.premultipliedAlpha=!1}reset(){super.reset(),this.colorSpace="srgb",this.premultipliedAlpha=!1}},RM=new rM,EM=new fM,wM={[qr]:"never",[w]:"less",[Hr]:"equal",[A]:"less-equal",[C]:"greater",[M]:"greater-equal",[jr]:"always",[Wr]:"not-equal"},AM=[0,1,3,2,4,5];function CM(e,t,r,s,i,n,a,o,u,l){TM.texture=t,TM.mipLevel=r,TM.origin.z=s,vM.offset=s*n,vM.bytesPerRow=a,vM.rowsPerImage=o,EM.width=u,EM.height=l,e.queue.writeTexture(TM,i.data,vM,EM),TM.reset(),vM.reset(),EM.reset()}class MM{constructor(e){this.backend=e,this._passUtils=null,this.defaultTexture={},this.defaultCubeTexture={},this.defaultVideoFrame=null,this._samplerCache=new Map}updateSampler(e,t){const r=this.backend,s=e.minFilter+"-"+e.magFilter+"-"+e.wrapS+"-"+e.wrapT+"-"+(e.wrapR||"0")+"-"+e.anisotropy+"-"+(!0===e.isDepthTexture?1:0)+"-"+(null!==e.compareFunction&&null!==t.compareNode?e.compareFunction:0);let i=this._samplerCache.get(s);if(void 0===i){xM.addressModeU=this._convertAddressMode(e.wrapS),xM.addressModeV=this._convertAddressMode(e.wrapT),xM.addressModeW=this._convertAddressMode(e.wrapR),xM.magFilter=this._convertFilterMode(e.magFilter),xM.minFilter=this._convertFilterMode(e.minFilter),xM.mipmapFilter=this._convertMipmapFilterMode(e.minFilter),!e.isDepthTexture||null!==e.compareFunction&&null!==t.compareNode||(xM.magFilter=$A,xM.minFilter=$A,xM.mipmapFilter=$A),xM.magFilter===GA&&xM.minFilter===GA&&xM.mipmapFilter===GA&&(xM.maxAnisotropy=e.anisotropy),e.isDepthTexture&&null!==e.compareFunction&&null!==t.compareNode&&r.hasCompatibility(E.TEXTURE_COMPARE)&&(xM.compare=wM[e.compareFunction]);const n=r.device.createSampler(xM);xM.reset(),i={sampler:n,usedTimes:0},this._samplerCache.set(s,i)}const n=r.get(e);if(n.sampler!==i.sampler){if(void 0!==n.sampler){const e=this._samplerCache.get(n.samplerKey);e.usedTimes--,0===e.usedTimes&&this._samplerCache.delete(n.samplerKey)}n.samplerKey=s,n.sampler=i.sampler,i.usedTimes++}return s}createDefaultTexture(e){let t;const r=BM(e,this.backend.device);t=e.isCubeTexture?this._getDefaultCubeTextureGPU(r):this._getDefaultTextureGPU(r),this.backend.get(e).texture=t}createTexture(e,t={}){const r=this.backend,s=r.get(e);if(s.initialized){if(!0===s.externalTexture)return;throw new Error("THREE.WebGPUTextureUtils: Texture already initialized.")}if(e.isExternalTexture)return s.texture=e.sourceTexture,void(s.initialized=!0);void 0===t.needsMipmaps&&(t.needsMipmaps=!1),void 0===t.levels&&(t.levels=1),void 0===t.depth&&(t.depth=1);const{width:i,height:n,depth:a,levels:o}=t;e.isFramebufferTexture&&(t.renderTarget?t.format=this.backend.utils.getCurrentColorFormat(t.renderTarget):t.format=this.backend.utils.getPreferredCanvasFormat());const u=this._getDimension(e),l=e.internalFormat||t.format||BM(e,r.device);s.format=l;const{samples:c,primarySamples:h,isMSAA:p}=r.utils.getTextureSampleData(e);let g=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.COPY_SRC;!0===e.isStorageTexture&&(g|=GPUTextureUsage.STORAGE_BINDING),!0!==e.isCompressedTexture&&!0!==e.isCompressedArrayTexture&&l!==_w&&(g|=GPUTextureUsage.RENDER_ATTACHMENT);const m=new rM;if(m.label=e.name,m.size.width=i,m.size.height=n,m.size.depthOrArrayLayers=a,m.mipLevelCount=o,m.sampleCount=h,m.dimension=u,m.format=l,m.usage=g,void 0===l)return d("WebGPURenderer: Texture format not supported."),void this.createDefaultTexture(e);e.isCubeTexture&&(m.textureBindingViewDimension=FC);try{s.texture=r.device.createTexture(m)}catch(t){return d("WebGPURenderer: Failed to create texture with descriptor:",m),void this.createDefaultTexture(e)}if(p){const e=Object.assign({},m);e.label=e.label+"-msaa",e.sampleCount=c,e.mipLevelCount=1,s.msaaTexture=r.device.createTexture(e)}s.initialized=!0,s.textureDescriptorGPU=m}destroyTexture(e,t=!1){const r=this.backend,s=r.get(e);void 0!==s.texture&&!1===t&&s.texture.destroy(),void 0!==s.msaaTexture&&s.msaaTexture.destroy(),r.delete(e)}generateMipmaps(e,t=null){const r=this.backend.get(e);this._generateMipmaps(r.texture,t)}getColorBuffer(){const e=this.backend,t=e.renderer.getCanvasTarget(),{width:r,height:s}=e.getDrawingBufferSize(),i=e.renderer.currentSamples,n=t.colorTexture,a=e.get(n);if(n.width===r&&n.height===s&&n.samples===i)return a.texture;let o=a.texture;return o&&o.destroy(),RM.label="colorBuffer",RM.size.width=r,RM.size.height=s,RM.sampleCount=e.utils.getSampleCount(e.renderer.currentSamples),RM.format=e.utils.getPreferredCanvasFormat(),RM.usage=GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC,o=e.device.createTexture(RM),RM.reset(),n.source.width=r,n.source.height=s,n.samples=i,a.texture=o,o}getDepthBuffer(e=!0,t=!1){const r=this.backend,s=r.renderer.getCanvasTarget(),{width:i,height:n}=r.getDrawingBufferSize(),a=r.renderer.currentSamples,o=s.depthTexture;if(o.width===i&&o.height===n&&o.samples===a&&o.depth===e&&o.stencil===t)return r.get(o).texture;const u=r.get(o).texture;let l,d;if(t?(l=je,d=!0===r.renderer.reversedDepthBuffer?Y:Ze):e&&(l=He,d=!0===r.renderer.reversedDepthBuffer?Y:S),void 0!==u){if(o.image.width===i&&o.image.height===n&&o.format===l&&o.type===d&&o.samples===a)return u;this.destroyTexture(o)}return o.name="depthBuffer",o.format=l,o.type=d,o.image.width=i,o.image.height=n,o.samples=a,this.createTexture(o,{width:i,height:n}),r.get(o).texture}updateTexture(e,t){const r=this.backend.get(e),s=e.mipmaps,{textureDescriptorGPU:i}=r;if(!e.isRenderTargetTexture&&void 0!==i){if(e.isDataTexture)if(s.length>0)for(let t=0,n=s.length;t<n;t++){const n=s[t];this._copyBufferToTexture(n,r.texture,i,0,e.flipY,0,t)}else this._copyBufferToTexture(t.image,r.texture,i,0,e.flipY);else if(e.isArrayTexture||e.isDataArrayTexture||e.isData3DTexture)if(e.layerUpdates&&e.layerUpdates.size>0){for(const s of e.layerUpdates)this._copyBufferToTexture(t.image,r.texture,i,s,e.flipY,s);e.clearLayerUpdates()}else for(let s=0;s<t.image.depth;s++)this._copyBufferToTexture(t.image,r.texture,i,s,e.flipY,s);else if(e.isCompressedTexture||e.isCompressedArrayTexture)e.isCompressedArrayTexture&&e.layerUpdates.size>0?(this._copyCompressedBufferToTexture(e.mipmaps,r.texture,i,e.layerUpdates),e.clearLayerUpdates()):this._copyCompressedBufferToTexture(e.mipmaps,r.texture,i);else if(e.isCubeTexture)this._copyCubeMapToTexture(e,r.texture,i);else if(e.isHTMLTexture){const t=this.backend.device,s=this.backend.renderer.domElement,n=e.image;if("function"!=typeof t.queue.copyElementImageToTexture)return;if(!r.hasPaintCallback)return r.hasPaintCallback=!0,void s.requestPaint();const a=i.size.width,o=i.size.height;t.queue.copyElementImageToTexture(n,a,o,{texture:r.texture}),e.flipY&&this._flipY(r.texture,i)}else if(s.length>0)for(let t=0,n=s.length;t<n;t++){const n=s[t];this._copyImageToTexture(n,r.texture,i,0,e.flipY,e.premultiplyAlpha,t)}else this._copyImageToTexture(t.image,r.texture,i,0,e.flipY,e.premultiplyAlpha);r.version=e.version}}async copyTextureToBuffer(e,t,r,s,i,n){const a=this.backend.device,o=this.backend.get(e),u=o.texture,l=o.textureDescriptorGPU.format,d=this._getBytesPerTexel(l);let c=s*d;c=256*Math.ceil(c/256),yM.size=(i-1)*c+s*d,yM.usage=GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ;const h=a.createBuffer(yM);yM.reset();const p=a.createCommandEncoder(bM);TM.texture=u,TM.origin.x=t,TM.origin.y=r,TM.origin.z=n,_M.buffer=h,_M.bytesPerRow=c,EM.width=s,EM.height=i,p.copyTextureToBuffer(TM,_M,EM),TM.reset(),_M.reset(),EM.reset();const g=this._getTypedArrayType(l);jC(a,p.finish()),await h.mapAsync(GPUMapMode.READ);const m=h.getMappedRange().slice();return h.destroy(),new g(m)}dispose(){this._samplerCache.clear()}_getDefaultTextureGPU(e){let t=this.defaultTexture[e];if(void 0===t){const r=new N;r.minFilter=B,r.magFilter=B,this.createTexture(r,{width:1,height:1,format:e}),this.defaultTexture[e]=t=r}return this.backend.get(t).texture}_getDefaultCubeTextureGPU(e){let t=this.defaultCubeTexture[e];if(void 0===t){const r=new U;r.minFilter=B,r.magFilter=B,this.createTexture(r,{width:1,height:1,depth:6}),this.defaultCubeTexture[e]=t=r}return this.backend.get(t).texture}_copyCubeMapToTexture(e,t,r){const s=e.images,i=e.mipmaps;for(let n=0;n<6;n++){const a=s[n],o=!0===e.flipY?AM[n]:n;a.isDataTexture?this._copyBufferToTexture(a.image,t,r,o,e.flipY):this._copyImageToTexture(a,t,r,o,e.flipY,e.premultiplyAlpha);for(let s=0;s<i.length;s++){const a=i[s].images[n];a.isDataTexture?this._copyBufferToTexture(a.image,t,r,o,e.flipY,0,s+1):this._copyImageToTexture(a,t,r,o,e.flipY,e.premultiplyAlpha,s+1)}}}_copyImageToTexture(e,t,r,s,i,n,a=0){const o=this.backend.device,u=a>0?e.width:r.size.width,l=a>0?e.height:r.size.height;NM.source=e,NM.flipY=i,SM.texture=t,SM.mipLevel=a,SM.origin.z=s,SM.premultipliedAlpha=n,EM.width=u,EM.height=l;try{o.queue.copyExternalImageToTexture(NM,SM,EM)}catch(e){}finally{NM.reset(),SM.reset(),EM.reset()}}_getPassUtils(){let e=this._passUtils;return null===e&&(this._passUtils=e=new gM(this.backend.device)),e}_generateMipmaps(e,t=null){this._getPassUtils().generateMipmaps(e,t)}_flipY(e,t,r=0){this._getPassUtils().flipY(e,t,r)}_copyBufferToTexture(e,t,r,s,i,n=0,a=0){const o=this.backend.device,u=e.data,l=this._getBytesPerTexel(r.format),d=e.width*l;TM.texture=t,TM.mipLevel=a,TM.origin.z=s,vM.offset=e.width*e.height*l*n,vM.bytesPerRow=d,EM.width=e.width,EM.height=e.height,o.queue.writeTexture(TM,u,vM,EM),TM.reset(),vM.reset(),EM.reset(),!0===i&&this._flipY(t,r,s)}_copyCompressedBufferToTexture(e,t,r,s=null){const i=this.backend.device,n=this._getBlockData(r.format),a=r.size.depthOrArrayLayers>1,o=s&&s.size>0?s:null;for(let s=0;s<e.length;s++){const u=e[s],l=u.width,d=u.height,c=a?r.size.depthOrArrayLayers:1,h=Math.ceil(l/n.width)*n.byteLength,p=Math.ceil(d/n.height),g=h*p,m=Math.ceil(l/n.width)*n.width,f=p*n.height;if(null!==o)for(const e of o)CM(i,t,s,e,u,g,h,p,m,f);else for(let e=0;e<c;e++)CM(i,t,s,e,u,g,h,p,m,f)}}_getBlockData(e){return e===kw||e===Gw?{byteLength:8,width:4,height:4}:e===$w||e===zw||e===Ww||e===Hw?{byteLength:16,width:4,height:4}:e===jw||e===qw?{byteLength:8,width:4,height:4}:e===Xw||e===Yw||e===Qw||e===Kw||e===Zw||e===Jw?{byteLength:16,width:4,height:4}:e===eA||e===tA||e===rA||e===sA?{byteLength:8,width:4,height:4}:e===iA||e===nA?{byteLength:16,width:4,height:4}:e===aA||e===oA?{byteLength:8,width:4,height:4}:e===uA||e===lA||e===dA||e===cA?{byteLength:16,width:4,height:4}:e===hA||e===pA?{byteLength:16,width:5,height:4}:e===gA||e===mA?{byteLength:16,width:5,height:5}:e===fA||e===yA?{byteLength:16,width:6,height:5}:e===bA||e===xA?{byteLength:16,width:6,height:6}:e===TA||e===_A?{byteLength:16,width:8,height:5}:e===vA||e===NA?{byteLength:16,width:8,height:6}:e===SA||e===RA?{byteLength:16,width:8,height:8}:e===EA||e===wA?{byteLength:16,width:10,height:5}:e===AA||e===CA?{byteLength:16,width:10,height:6}:e===MA||e===BA?{byteLength:16,width:10,height:8}:e===LA||e===FA?{byteLength:16,width:10,height:10}:e===PA||e===UA?{byteLength:16,width:12,height:10}:e===DA||e===IA?{byteLength:16,width:12,height:12}:void 0}_convertAddressMode(e){let t=OA;return e===$r?t=VA:e===Gr&&(t=kA),t}_convertFilterMode(e){let t=GA;return e!==B&&e!==zr&&e!==bt||(t=$A),t}_convertMipmapFilterMode(e){return e===bt||e===K?GA:$A}_getBytesPerTexel(e){return e===qE||e===XE||e===YE||e===QE?1:e===KE||e===ZE||e===JE||e===ew||e===tw||e===rw||e===sw||e===iw||e===nw?2:e===aw||e===ow||e===uw||e===lw||e===dw||e===cw||e===hw||e===pw||e===gw||e===mw||e===fw||e===yw||e===bw||e===xw||e===Tw||e===_w||e===vw||e===Nw||e===Ow||e===Dw||e===Iw||e===Vw?4:e===Sw||e===Rw||e===Ew||e===ww||e===Aw||e===Cw||e===Mw||e===Bw?8:e===Lw||e===Fw||e===Pw?16:void 0}_getTypedArrayType(e){return e===YE?Uint8Array:e===QE?Int8Array:e===qE?Uint8Array:e===XE?Int8Array:e===rw?Uint8Array:e===sw?Int8Array:e===ew?Uint8Array:e===tw?Int8Array:e===mw?Uint8Array:e===fw?Int8Array:e===hw||e===pw?Uint8Array:e===gw?Int8Array:e===KE?Uint16Array:e===ZE?Int16Array:e===lw?Uint16Array:e===dw?Int16Array:e===ww?Uint16Array:e===Aw?Int16Array:e===JE||e===cw||e===Cw||e===iw?Uint16Array:e===nw?Int16Array:e===xw?Uint16Array:e===Tw?Int16Array:e===Mw?Uint16Array:e===Bw?Int16Array:e===aw?Uint32Array:e===ow?Int32Array:e===uw?Float32Array:e===Sw?Uint32Array:e===Rw?Int32Array:e===Ew?Float32Array:e===Lw?Uint32Array:e===Fw?Int32Array:e===Pw?Float32Array:e===yw||e===bw?Uint8Array:e===vw||e===_w||e===Nw?Uint32Array:e===Ow?Float32Array:e===Dw||e===Iw?Uint32Array:e===Vw?Float32Array:void 0}_getDimension(e){let t;return t=e.is3DTexture||e.isData3DTexture?MC:CC,t}}function BM(e,t){const r=e.format,s=e.type,i=e.normalized,n=e.colorSpace,a=p.getTransfer(n);let u,l=!1;if(i&&(l=t.features.has(OC.TextureFormatsTier1),!1===l&&d("WebGPURenderer: Unable to use normalized textures without texture-formats-tier1 feature.")),!0===e.isCompressedTexture||!0===e.isCompressedArrayTexture)switch(r){case or:case ur:u=a===g?Gw:kw;break;case lr:u=a===g?zw:$w;break;case dr:u=a===g?Hw:Ww;break;case Or:u=jw;break;case Vr:u=qw;break;case W:u=Xw;break;case kr:u=Yw;break;case Ur:u=a===g?Jw:Zw;break;case Dr:u=Kw;break;case Ir:u=Qw;break;case fr:case mr:u=a===g?tA:eA;break;case yr:u=a===g?nA:iA;break;case br:u=aA;break;case xr:u=oA;break;case H:u=uA;break;case Tr:u=lA;break;case _r:u=a===g?cA:dA;break;case vr:u=a===g?pA:hA;break;case Nr:u=a===g?mA:gA;break;case Sr:u=a===g?yA:fA;break;case Rr:u=a===g?xA:bA;break;case Er:u=a===g?_A:TA;break;case wr:u=a===g?NA:vA;break;case Ar:u=a===g?RA:SA;break;case Cr:u=a===g?wA:EA;break;case Mr:u=a===g?CA:AA;break;case Br:u=a===g?BA:MA;break;case Lr:u=a===g?FA:LA;break;case Fr:u=a===g?UA:PA;break;case Pr:u=a===g?IA:DA;break;case Ee:u=a===g?pw:hw;break;default:o("WebGPURenderer: Unsupported texture format.",r)}else switch(r){case Ee:switch(s){case Oe:u=gw;break;case ke:u=l?Bw:Aw;break;case Ge:u=l?Mw:ww;break;case S:u=Lw;break;case R:u=Fw;break;case Ve:u=a===g?pw:hw;break;case Te:u=Cw;break;case Y:u=Pw;break;default:o("WebGPURenderer: Unsupported texture type with RGBAFormat.",s)}break;case Xe:switch(s){case Je:u=_w;break;case et:u=Nw;break;default:o("WebGPURenderer: Unsupported texture type with RGBFormat.",s)}break;case ze:switch(s){case Oe:u=XE;break;case ke:u=l?nw:ZE;break;case Ge:u=l?iw:KE;break;case S:u=aw;break;case R:u=ow;break;case Ve:u=qE;break;case Te:u=JE;break;case Y:u=uw;break;default:o("WebGPURenderer: Unsupported texture type with RedFormat.",s)}break;case z:switch(s){case Oe:u=tw;break;case ke:u=l?Tw:dw;break;case Ge:u=l?xw:lw;break;case S:u=Sw;break;case R:u=Rw;break;case Ve:u=ew;break;case Te:u=cw;break;case Y:u=Ew;break;default:o("WebGPURenderer: Unsupported texture type with RGFormat.",s)}break;case He:switch(s){case Ge:u=Uw;break;case S:u=Dw;break;case Y:u=Ow;break;default:o("WebGPURenderer: Unsupported texture type with DepthFormat.",s)}break;case je:switch(s){case Ze:u=Iw;break;case Y:t&&!1===t.features.has(OC.Depth32FloatStencil8)&&o('WebGPURenderer: Depth textures with DepthStencilFormat + FloatType can only be used with the "depth32float-stencil8" GPU feature.'),u=Vw;break;default:o("WebGPURenderer: Unsupported texture type with DepthStencilFormat.",s)}break;case We:switch(s){case R:u=ow;break;case S:u=aw;break;default:o("WebGPURenderer: Unsupported texture type with RedIntegerFormat.",s)}break;case qe:switch(s){case R:u=Rw;break;case S:u=Sw;break;default:o("WebGPURenderer: Unsupported texture type with RGIntegerFormat.",s)}break;case Ft:switch(s){case R:u=Fw;break;case S:u=Lw;break;default:o("WebGPURenderer: Unsupported texture type with RGBAIntegerFormat.",s)}break;default:o("WebGPURenderer: Unsupported texture format.",r)}return u}const LM=/^[fn]*\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)\s*[\-\>]*\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/i,FM=/([a-z_0-9]+)\s*:\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/gi,PM={f32:"float",i32:"int",u32:"uint",bool:"bool","vec2<f32>":"vec2","vec2<i32>":"ivec2","vec2<u32>":"uvec2","vec2<bool>":"bvec2",vec2f:"vec2",vec2i:"ivec2",vec2u:"uvec2",vec2b:"bvec2","vec3<f32>":"vec3","vec3<i32>":"ivec3","vec3<u32>":"uvec3","vec3<bool>":"bvec3",vec3f:"vec3",vec3i:"ivec3",vec3u:"uvec3",vec3b:"bvec3","vec4<f32>":"vec4","vec4<i32>":"ivec4","vec4<u32>":"uvec4","vec4<bool>":"bvec4",vec4f:"vec4",vec4i:"ivec4",vec4u:"uvec4",vec4b:"bvec4","mat2x2<f32>":"mat2",mat2x2f:"mat2","mat3x3<f32>":"mat3",mat3x3f:"mat3","mat4x4<f32>":"mat4",mat4x4f:"mat4",sampler:"sampler",texture_1d:"texture",texture_2d:"texture",texture_2d_array:"texture",texture_multisampled_2d:"cubeTexture",texture_depth_2d:"depthTexture",texture_depth_2d_array:"depthTexture",texture_depth_multisampled_2d:"depthTexture",texture_depth_cube:"depthTexture",texture_depth_cube_array:"depthTexture",texture_3d:"texture3D",texture_cube:"cubeTexture",texture_cube_array:"cubeTexture",texture_storage_1d:"storageTexture",texture_storage_2d:"storageTexture",texture_storage_2d_array:"storageTexture",texture_storage_3d:"storageTexture"};class UM extends qS{constructor(e){const{type:t,inputs:r,name:s,inputsCode:i,blockCode:n,outputType:a}=(e=>{const t=(e=e.trim()).match(LM);if(null!==t&&4===t.length){const r=t[2],s=[];let i=null;for(;null!==(i=FM.exec(r));)s.push({name:i[1],type:i[2]});const n=[];for(let e=0;e<s.length;e++){const{name:t,type:r}=s[e];let i=r;i.startsWith("ptr")?i="pointer":(i.startsWith("texture")&&(i=r.split("<")[0]),i=PM[i]),n.push(new FS(i,t))}const a=e.substring(t[0].length),o=t[3]||"void",u=void 0!==t[1]?t[1]:"";return{type:PM[o]||o,inputs:n,name:u,inputsCode:r,blockCode:a,outputType:o}}throw new Error("THREE.WGSLNodeFunction: Function is not a WGSL code.")})(e);super(t,r,s),this.inputsCode=i,this.blockCode=n,this.outputType=a}getCode(e=this.name){const t="void"!==this.outputType?"-> "+this.outputType:"";return`fn ${e} ( ${this.inputsCode.trim()} ) ${t}`+this.blockCode}}class DM extends jS{parseFunction(e){return new UM(e)}}const IM={[ai.READ_ONLY]:"read",[ai.WRITE_ONLY]:"write",[ai.READ_WRITE]:"read_write"},OM={[$r]:"repeat",[_e]:"clamp",[Gr]:"mirror"},VM={vertex:CE.VERTEX,fragment:CE.FRAGMENT,compute:CE.COMPUTE},kM={instance:!0,swizzleAssign:!1,storageBuffer:!0},GM={"^^":"tsl_xor"},$M={float:"f32",int:"i32",uint:"u32",bool:"bool",color:"vec3<f32>",vec2:"vec2<f32>",ivec2:"vec2<i32>",uvec2:"vec2<u32>",bvec2:"vec2<bool>",vec3:"vec3<f32>",ivec3:"vec3<i32>",uvec3:"vec3<u32>",bvec3:"vec3<bool>",vec4:"vec4<f32>",ivec4:"vec4<i32>",uvec4:"vec4<u32>",bvec4:"vec4<bool>",mat2:"mat2x2<f32>",mat3:"mat3x3<f32>",mat4:"mat4x4<f32>"},zM={},WM={tsl_xor:new jT("fn tsl_xor( a : bool, b : bool ) -> bool { return ( a || b ) && !( a && b ); }"),mod_float:new jT("fn tsl_mod_float( x : f32, y : f32 ) -> f32 { return x - y * floor( x / y ); }"),mod_vec2:new jT("fn tsl_mod_vec2( x : vec2f, y : vec2f ) -> vec2f { return x - y * floor( x / y ); }"),mod_vec3:new jT("fn tsl_mod_vec3( x : vec3f, y : vec3f ) -> vec3f { return x - y * floor( x / y ); }"),mod_vec4:new jT("fn tsl_mod_vec4( x : vec4f, y : vec4f ) -> vec4f { return x - y * floor( x / y ); }"),equals_bool:new jT("fn tsl_equals_bool( a : bool, b : bool ) -> bool { return a == b; }"),equals_bvec2:new jT("fn tsl_equals_bvec2( a : vec2f, b : vec2f ) -> vec2<bool> { return vec2<bool>( a.x == b.x, a.y == b.y ); }"),equals_bvec3:new jT("fn tsl_equals_bvec3( a : vec3f, b : vec3f ) -> vec3<bool> { return vec3<bool>( a.x == b.x, a.y == b.y, a.z == b.z ); }"),equals_bvec4:new jT("fn tsl_equals_bvec4( a : vec4f, b : vec4f ) -> vec4<bool> { return vec4<bool>( a.x == b.x, a.y == b.y, a.z == b.z, a.w == b.w ); }"),repeatWrapping_float:new jT("fn tsl_repeatWrapping_float( coord: f32 ) -> f32 { return fract( coord ); }"),mirrorWrapping_float:new jT("fn tsl_mirrorWrapping_float( coord: f32 ) -> f32 { let mirrored = fract( coord * 0.5 ) * 2.0; return 1.0 - abs( 1.0 - mirrored ); }"),clampWrapping_float:new jT("fn tsl_clampWrapping_float( coord: f32 ) -> f32 { return clamp( coord, 0.0, 1.0 ); }"),inverse_mat2:new jT("\nfn tsl_inverse_mat2( m : mat2x2<f32> ) -> mat2x2<f32> {\n\n\tlet det = m[ 0 ][ 0 ] * m[ 1 ][ 1 ] - m[ 0 ][ 1 ] * m[ 1 ][ 0 ];\n\n\treturn mat2x2<f32>(\n\t\tm[ 1 ][ 1 ], - m[ 0 ][ 1 ],\n\t\t- m[ 1 ][ 0 ], m[ 0 ][ 0 ]\n\t) * ( 1.0 / det );\n\n}\n"),inverse_mat3:new jT("\nfn tsl_inverse_mat3( m : mat3x3<f32> ) -> mat3x3<f32> {\n\n\tlet a00 = m[ 0 ][ 0 ]; let a01 = m[ 0 ][ 1 ]; let a02 = m[ 0 ][ 2 ];\n\tlet a10 = m[ 1 ][ 0 ]; let a11 = m[ 1 ][ 1 ]; let a12 = m[ 1 ][ 2 ];\n\tlet a20 = m[ 2 ][ 0 ]; let a21 = m[ 2 ][ 1 ]; let a22 = m[ 2 ][ 2 ];\n\n\tlet b01 = a22 * a11 - a12 * a21;\n\tlet b11 = - a22 * a10 + a12 * a20;\n\tlet b21 = a21 * a10 - a11 * a20;\n\n\tlet det = a00 * b01 + a01 * b11 + a02 * b21;\n\n\treturn mat3x3<f32>(\n\t\tb01, ( - a22 * a01 + a02 * a21 ), ( a12 * a01 - a02 * a11 ),\n\t\tb11, ( a22 * a00 - a02 * a20 ), ( - a12 * a00 + a02 * a10 ),\n\t\tb21, ( - a21 * a00 + a01 * a20 ), ( a11 * a00 - a01 * a10 )\n\t) * ( 1.0 / det );\n\n}\n"),inverse_mat4:new jT("\nfn tsl_inverse_mat4( m : mat4x4<f32> ) -> mat4x4<f32> {\n\n\tlet a00 = m[ 0 ][ 0 ]; let a01 = m[ 0 ][ 1 ]; let a02 = m[ 0 ][ 2 ]; let a03 = m[ 0 ][ 3 ];\n\tlet a10 = m[ 1 ][ 0 ]; let a11 = m[ 1 ][ 1 ]; let a12 = m[ 1 ][ 2 ]; let a13 = m[ 1 ][ 3 ];\n\tlet a20 = m[ 2 ][ 0 ]; let a21 = m[ 2 ][ 1 ]; let a22 = m[ 2 ][ 2 ]; let a23 = m[ 2 ][ 3 ];\n\tlet a30 = m[ 3 ][ 0 ]; let a31 = m[ 3 ][ 1 ]; let a32 = m[ 3 ][ 2 ]; let a33 = m[ 3 ][ 3 ];\n\n\tlet b00 = a00 * a11 - a01 * a10;\n\tlet b01 = a00 * a12 - a02 * a10;\n\tlet b02 = a00 * a13 - a03 * a10;\n\tlet b03 = a01 * a12 - a02 * a11;\n\tlet b04 = a01 * a13 - a03 * a11;\n\tlet b05 = a02 * a13 - a03 * a12;\n\tlet b06 = a20 * a31 - a21 * a30;\n\tlet b07 = a20 * a32 - a22 * a30;\n\tlet b08 = a20 * a33 - a23 * a30;\n\tlet b09 = a21 * a32 - a22 * a31;\n\tlet b10 = a21 * a33 - a23 * a31;\n\tlet b11 = a22 * a33 - a23 * a32;\n\n\tlet det = b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06;\n\n\treturn mat4x4<f32>(\n\t\ta11 * b11 - a12 * b10 + a13 * b09,\n\t\ta02 * b10 - a01 * b11 - a03 * b09,\n\t\ta31 * b05 - a32 * b04 + a33 * b03,\n\t\ta22 * b04 - a21 * b05 - a23 * b03,\n\t\ta12 * b08 - a10 * b11 - a13 * b07,\n\t\ta00 * b11 - a02 * b08 + a03 * b07,\n\t\ta32 * b02 - a30 * b05 - a33 * b01,\n\t\ta20 * b05 - a22 * b02 + a23 * b01,\n\t\ta10 * b10 - a11 * b08 + a13 * b06,\n\t\ta01 * b08 - a00 * b10 - a03 * b06,\n\t\ta30 * b04 - a31 * b02 + a33 * b00,\n\t\ta21 * b02 - a20 * b04 - a23 * b00,\n\t\ta11 * b07 - a10 * b09 - a12 * b06,\n\t\ta00 * b09 - a01 * b07 + a02 * b06,\n\t\ta31 * b01 - a30 * b03 - a32 * b00,\n\t\ta20 * b03 - a21 * b01 + a22 * b00\n\t) * ( 1.0 / det );\n\n}\n"),biquadraticTexture:new jT("\nfn tsl_biquadraticTexture( map : texture_2d<f32>, coord : vec2f, iRes : vec2u, level : u32 ) -> vec4f {\n\n\tlet res = vec2f( iRes );\n\n\tlet uvScaled = coord * res;\n\tlet uvWrapping = ( ( uvScaled % res ) + res ) % res;\n\n\t// https://www.shadertoy.com/view/WtyXRy\n\n\tlet uv = uvWrapping - 0.5;\n\tlet iuv = floor( uv );\n\tlet f = fract( uv );\n\n\tlet rg1 = textureLoad( map, vec2u( iuv + vec2( 0.5, 0.5 ) ) % iRes, level );\n\tlet rg2 = textureLoad( map, vec2u( iuv + vec2( 1.5, 0.5 ) ) % iRes, level );\n\tlet rg3 = textureLoad( map, vec2u( iuv + vec2( 0.5, 1.5 ) ) % iRes, level );\n\tlet rg4 = textureLoad( map, vec2u( iuv + vec2( 1.5, 1.5 ) ) % iRes, level );\n\n\treturn mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );\n\n}\n"),biquadraticTextureArray:new jT("\nfn tsl_biquadraticTexture_array( map : texture_2d_array<f32>, coord : vec2f, iRes : vec2u, layer : u32, level : u32 ) -> vec4f {\n\n\tlet res = vec2f( iRes );\n\n\tlet uvScaled = coord * res;\n\tlet uvWrapping = ( ( uvScaled % res ) + res ) % res;\n\n\t// https://www.shadertoy.com/view/WtyXRy\n\n\tlet uv = uvWrapping - 0.5;\n\tlet iuv = floor( uv );\n\tlet f = fract( uv );\n\n\tlet rg1 = textureLoad( map, vec2u( iuv + vec2( 0.5, 0.5 ) ) % iRes, layer, level );\n\tlet rg2 = textureLoad( map, vec2u( iuv + vec2( 1.5, 0.5 ) ) % iRes, layer, level );\n\tlet rg3 = textureLoad( map, vec2u( iuv + vec2( 0.5, 1.5 ) ) % iRes, layer, level );\n\tlet rg4 = textureLoad( map, vec2u( iuv + vec2( 1.5, 1.5 ) ) % iRes, layer, level );\n\n\treturn mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );\n\n}\n")},HM={dFdx:"dpdx",dFdy:"- dpdy",mod_float:"tsl_mod_float",mod_vec2:"tsl_mod_vec2",mod_vec3:"tsl_mod_vec3",mod_vec4:"tsl_mod_vec4",equals_bool:"tsl_equals_bool",equals_bvec2:"tsl_equals_bvec2",equals_bvec3:"tsl_equals_bvec3",equals_bvec4:"tsl_equals_bvec4",inverse_mat2:"tsl_inverse_mat2",inverse_mat3:"tsl_inverse_mat3",inverse_mat4:"tsl_inverse_mat4",inversesqrt:"inverseSqrt",bitcast:"bitcast<f32>",floatpack_snorm_2x16:"pack2x16snorm",floatpack_unorm_2x16:"pack2x16unorm",floatpack_float16_2x16:"pack2x16float",floatunpack_snorm_2x16:"unpack2x16snorm",floatunpack_unorm_2x16:"unpack2x16unorm",floatunpack_float16_2x16:"unpack2x16float"};let jM="";!0!==("undefined"!=typeof navigator&&/Firefox|Deno/g.test(navigator.userAgent))&&(jM+="diagnostic( off, derivative_uniformity );\n");class qM extends BS{constructor(e,t){super(e,t,new DM),this.uniformGroups={},this.uniformGroupsBindings={},this.builtins={},this.directives={},this.scopedArrays=new Map,this.allowEarlyReturns=!0,this.allowGlobalVariables=!0}_generateTextureSample(e,t,r,s,i,n=this.shaderStage){return"fragment"===n?s?i?`textureSample( ${t}, ${t}_sampler, ${r}, ${s}, ${i} )`:`textureSample( ${t}, ${t}_sampler, ${r}, ${s} )`:i?`textureSample( ${t}, ${t}_sampler, ${r}, ${i} )`:`textureSample( ${t}, ${t}_sampler, ${r} )`:this.generateTextureSampleLevel(e,t,r,"0",s)}generateTextureSampleLevel(e,t,r,s,i,n){return!1===this.isUnfilterable(e)?i?n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s} )`:this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r,n,s,i):this.generateTextureLod(e,t,r,i,n,s)}generateWrapFunction(e){const t=`tsl_coord_${OM[e.wrapS]}S_${OM[e.wrapT]}T_${e.is3DTexture||e.isData3DTexture?"3d":"2d"}`;let r=zM[t];if(void 0===r){const s=[],i=e.is3DTexture||e.isData3DTexture?"vec3f":"vec2f";let n=`fn ${t}( coord : ${i} ) -> ${i} {\n\n\treturn ${i}(\n`;const a=(e,t)=>{e===$r?(s.push(WM.repeatWrapping_float),n+=`\t\ttsl_repeatWrapping_float( coord.${t} )`):e===_e?(s.push(WM.clampWrapping_float),n+=`\t\ttsl_clampWrapping_float( coord.${t} )`):e===Gr?(s.push(WM.mirrorWrapping_float),n+=`\t\ttsl_mirrorWrapping_float( coord.${t} )`):(n+=`\t\tcoord.${t}`,d(`WebGPURenderer: Unsupported texture wrap type "${e}" for vertex shader.`))};a(e.wrapS,"x"),n+=",\n",a(e.wrapT,"y"),(e.is3DTexture||e.isData3DTexture)&&(n+=",\n",a(e.wrapR,"z")),n+="\n\t);\n\n}\n",zM[t]=r=new jT(n,s)}return r.build(this),t}generateArrayDeclaration(e,t){return`array< ${this.getType(e)}, ${t} >`}generateTextureDimension(e,t,r){const s=this.getDataFromNode(e,this.shaderStage,this.cache);void 0===s.dimensionsSnippet&&(s.dimensionsSnippet={});let i=s.dimensionsSnippet[r];if(void 0===s.dimensionsSnippet[r]){let n,a;const{primarySamples:o}=this.renderer.backend.utils.getTextureSampleData(e),u=o>1;a=e.is3DTexture||e.isData3DTexture?"vec3<u32>":"vec2<u32>",n=u||e.isStorageTexture?t:`${t}${r?`, u32( ${r} )`:""}`,i=new ku(new Fl(`textureDimensions( ${n} )`,a)),s.dimensionsSnippet[r]=i,(e.isArrayTexture||e.isDataArrayTexture||e.is3DTexture||e.isData3DTexture)&&(s.arrayLayerCount=new ku(new Fl(`textureNumLayers(${t})`,"u32"))),e.isTextureCube&&(s.cubeFaceCount=new ku(new Fl("6u","u32")))}return i.build(this)}generateFilteredTexture(e,t,r,s,i="0u",n){const a=this.generateWrapFunction(e),o=this.generateTextureDimension(e,t,i);return s&&(r=`${r} + vec2<f32>(${s}) / ${o}`),n?(this._include("biquadraticTextureArray"),`tsl_biquadraticTexture_array( ${t}, ${a}( ${r} ), ${o}, u32( ${n} ), u32( ${i} ) )`):(this._include("biquadraticTexture"),`tsl_biquadraticTexture( ${t}, ${a}( ${r} ), ${o}, u32( ${i} ) )`)}generateTextureLod(e,t,r,s,i,n="0u"){if(!0===e.isCubeTexture){i&&(r=`${r} + vec3<f32>(${i})`);return`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${e.isDepthTexture?"u32":"f32"}( ${n} ) )`}const a=this.generateWrapFunction(e),o=this.generateTextureDimension(e,t,n),u=e.is3DTexture||e.isData3DTexture?"vec3":"vec2";i&&(r=`${r} + ${u}<f32>(${i}) / ${u}<f32>( ${o} )`);return r=`${u}<u32>( clamp( floor( ${a}( ${r} ) * ${u}<f32>( ${o} ) ), ${`${u}<f32>( 0 )`}, ${`${u}<f32>( ${o} - ${"vec3"===u?"vec3<u32>( 1, 1, 1 )":"vec2<u32>( 1, 1 )"} )`} ) )`,this.generateTextureLoad(e,t,r,n,s,null)}generateStorageTextureLoad(e,t,r,s,i,n){let a;return n&&(r=`${r} + ${n}`),a=i?`textureLoad( ${t}, ${r}, ${i} )`:`textureLoad( ${t}, ${r} )`,a}generateTextureLoad(e,t,r,s,i,n){let a;return null===s&&(s="0u"),n&&(r=`${r} + ${n}`),i?a=`textureLoad( ${t}, ${r}, ${i}, u32( ${s} ) )`:(a=`textureLoad( ${t}, ${r}, u32( ${s} ) )`,this.renderer.backend.compatibilityMode&&e.isDepthTexture&&(a+=".x")),a}generateTextureStore(e,t,r,s,i){let n;return n=s?`textureStore( ${t}, ${r}, ${s}, ${i} )`:`textureStore( ${t}, ${r}, ${i} )`,n}isSampleCompare(e){return!0===e.isDepthTexture&&null!==e.compareFunction&&this.renderer.hasCompatibility(E.TEXTURE_COMPARE)}isUnfilterable(e){return"float"!==this.getComponentTypeFromTexture(e)||!this.isAvailable("float32Filterable")&&e.type===Y||!1===this.isSampleCompare(e)&&e.minFilter===B&&e.magFilter===B||this.renderer.backend.utils.getTextureSampleData(e).primarySamples>1}generateTexture(e,t,r,s,i,n=this.shaderStage){let a=null;return a=this.isUnfilterable(e)?this.generateTextureLod(e,t,r,s,i,"0",n):this._generateTextureSample(e,t,r,s,i,n),a}generateTextureGrad(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return i?n?`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${i}, ${s[0]}, ${s[1]}, ${n} )`:`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${i}, ${s[0]}, ${s[1]} )`:n?`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${s[0]}, ${s[1]}, ${n} )`:`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${s[0]}, ${s[1]} )`;o(`WebGPURenderer: THREE.TextureNode.gradient() does not support ${a} shader.`)}generateTextureCompare(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return!0===e.isDepthTexture&&!0===e.isArrayTexture?n?`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${s} )`;o(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${a} shader.`)}generateTextureGather(e,t,r,s,i,n){const a=!0===e.isDepthTexture?"":`${s}, `;return i?n?`textureGather( ${a}${t}, ${t}_sampler, ${r}, ${i}, ${n} )`:`textureGather( ${a}${t}, ${t}_sampler, ${r}, ${i} )`:n?`textureGather( ${a}${t}, ${t}_sampler, ${r}, ${n} )`:`textureGather( ${a}${t}, ${t}_sampler, ${r})`}generateTextureGatherCompare(e,t,r,s,i,n){return i?n?`textureGatherCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureGatherCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s})`:n?`textureGatherCompare( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureGatherCompare( ${t}, ${t}_sampler, ${r}, ${s})`}generateTextureLevel(e,t,r,s,i,n){return!1===this.isUnfilterable(e)?i?n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s} )`:this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r,n,s,i):this.generateTextureLod(e,t,r,i,n,s)}generateTextureBias(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return i?n?`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${s} )`;o(`WebGPURenderer: THREE.TextureNode.biasNode does not support ${a} shader.`)}getPropertyName(e,t=this.shaderStage){if(!0===e.isNodeVarying&&!0===e.needsInterpolation){if("vertex"===t)return`varyings.${e.name}`}else if(!0===e.isNodeUniform){const t=e.name,r=e.type;return"texture"===r||"cubeTexture"===r||"cubeDepthTexture"===r||"storageTexture"===r||"texture3D"===r?t:"buffer"===r||"storageBuffer"===r||"indirectStorageBuffer"===r?this.isCustomStruct(e)?t:t+".value":e.groupNode.name+"."+t}return super.getPropertyName(e)}getOutputStructName(){return"output"}getFunctionOperator(e){const t=GM[e];return void 0!==t?(this._include(t),t):null}getNodeAccess(e,t){return"compute"!==t?!0===e.isAtomic?(d("WebGPURenderer: Atomic operations are only supported in compute shaders."),ai.READ_WRITE):ai.READ_ONLY:e.access}getStorageAccess(e,t){return IM[this.getNodeAccess(e,t)]}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);if(void 0===n.uniformGPU){let a;const o=e.groupNode,u=o.name,l=this.getBindGroupArray(u,r);if("texture"===t||"cubeTexture"===t||"cubeDepthTexture"===t||"storageTexture"===t||"texture3D"===t){let s=null;const n=this.getNodeAccess(e,r);"texture"===t||"storageTexture"===t?s=!0===e.value.is3DTexture?new qR(i.name,i.node,o,n):new HR(i.name,i.node,o,n):"cubeTexture"===t||"cubeDepthTexture"===t?s=new jR(i.name,i.node,o,n):"texture3D"===t&&(s=new qR(i.name,i.node,o,n)),s.store=!0===e.isStorageTextureNode,s.mipLevel=s.store?e.mipLevel:0,s.setVisibility(VM[r]);if(!0===e.value.isCubeTexture||!1===this.isUnfilterable(e.value)&&!1===s.store||null!==e.gatherNode){const e=new kC(`${i.name}_sampler`,i.node,o);e.setVisibility(VM[r]),l.push(e,s),a=[e,s]}else l.push(s),a=[s]}else if("buffer"===t||"storageBuffer"===t||"indirectStorageBuffer"===t){const n=this.getSharedDataFromNode(e);let u=n.buffer;if(void 0===u){u=new("buffer"===t?OR:zC)(e,o),n.buffer=u}u.setVisibility(u.getVisibility()|VM[r]),l.push(u),a=u,i.name=s||"NodeBuffer_"+i.id}else{let e=this.uniformGroups[u];void 0===e&&(e=new GR(u,o),e.setVisibility(CE.VERTEX|CE.FRAGMENT|CE.COMPUTE),this.uniformGroups[u]=e),-1===l.indexOf(e)&&l.push(e),a=this.getNodeUniform(i,t);const r=a.name;e.uniforms.some(e=>e.name===r)||e.addUniform(a)}n.uniformGPU=a}return i}getBuiltin(e,t,r,s=this.shaderStage){const i=this.builtins[s]||(this.builtins[s]=new Map);return!1===i.has(e)&&i.set(e,{name:e,property:t,type:r}),t}hasBuiltin(e,t=this.shaderStage){return void 0!==this.builtins[t]&&this.builtins[t].has(e)}getVertexIndex(){return"vertex"===this.shaderStage?this.getBuiltin("vertex_index","vertexIndex","u32","attribute"):"vertexIndex"}buildFunctionCode(e){const t=e.layout,r=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(e.name+" : "+this.getType(e.type));let i=`fn ${t.name}( ${s.join(", ")} ) -> ${this.getType(t.type)} {\n${r.vars}\n${r.code}\n`;return r.result&&(i+=`\treturn ${r.result};\n`),i+="\n}\n",i}getInstanceIndex(){return"vertex"===this.shaderStage?this.getBuiltin("instance_index","instanceIndex","u32","attribute"):"instanceIndex"}getInvocationLocalIndex(){return this.getBuiltin("local_invocation_index","invocationLocalIndex","u32","attribute")}getSubgroupSize(){return this.enableSubGroups(),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute")}getInvocationSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_invocation_id","invocationSubgroupIndex","u32","attribute")}getSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_id","subgroupIndex","u32","attribute")}getDrawIndex(){return null}getFrontFacing(){return this.getBuiltin("front_facing","isFront","bool")}getFragCoord(){return this.getBuiltin("position","fragCoord","vec4<f32>")+".xy"}getFragDepth(){return"output."+this.getBuiltin("frag_depth","depth","f32","output")}getClipDistance(){return"varyings.hw_clip_distances"}isFlipY(){return!1}enableDirective(e,t=this.shaderStage){(this.directives[t]||(this.directives[t]=new Set)).add(e)}getDirectives(e){const t=[],r=this.directives[e];if(void 0!==r)for(const e of r)t.push(`enable ${e};`);return t.join("\n")}enableSubGroups(){this.enableDirective("subgroups")}enableSubgroupsF16(){this.enableDirective("subgroups-f16")}enableClipDistances(){this.enableDirective("clip_distances")}enableShaderF16(){this.enableDirective("f16")}enableDualSourceBlending(){this.enableDirective("dual_source_blending")}enableHardwareClipping(e){this.enableClipDistances(),this.getBuiltin("clip_distances","hw_clip_distances",`array<f32, ${e} >`,"vertex")}getBuiltins(e){const t=[],r=this.builtins[e];if(void 0!==r)for(const{name:e,property:s,type:i}of r.values())t.push(`@builtin( ${e} ) ${s} : ${i}`);return t.join(",\n\t")}getScopedArray(e,t,r,s){return!1===this.scopedArrays.has(e)&&this.scopedArrays.set(e,{name:e,scope:t,bufferType:r,bufferCount:s}),e}getScopedArrays(e){if("compute"!==e)return;const t=[];for(const{name:e,scope:r,bufferType:s,bufferCount:i}of this.scopedArrays.values()){const n=this.getType(s);t.push(`var<${r}> ${e}: array< ${n}, ${i} >;`)}return t.join("\n")}getAttributes(e){const t=[];if("compute"===e&&(this.getBuiltin("global_invocation_id","globalId","vec3<u32>","attribute"),this.getBuiltin("workgroup_id","workgroupId","vec3<u32>","attribute"),this.getBuiltin("local_invocation_id","localId","vec3<u32>","attribute"),this.getBuiltin("num_workgroups","numWorkgroups","vec3<u32>","attribute"),this.renderer.hasFeature("subgroups")&&(this.enableDirective("subgroups",e),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute"))),"vertex"===e||"compute"===e){const e=this.getBuiltins("attribute");e&&t.push(e);const r=this.getAttributesArray();for(let e=0,s=r.length;e<s;e++){const s=r[e],i=s.name,n=this.getType(s.type);t.push(`@location( ${e} ) ${i} : ${n}`)}}return t.join(",\n\t")}getStructMembers(e){const t=[];for(const r of e.members){const s=e.output?"@location( "+r.index+" ) ":"";let i=this.getType(r.type);r.atomic&&(i="atomic< "+i+" >"),t.push(`\t${s+r.name} : ${i}`)}return e.output&&t.push(`\t${this.getBuiltins("output")}`),t.join(",\n")}getStructs(e){let t="";const r=this.structs[e];if(r.length>0){const e=[];for(const t of r){let r=`struct ${t.name} {\n`;r+=this.getStructMembers(t),r+="\n};",e.push(r)}t="\n"+e.join("\n\n")+"\n"}return t}getVar(e,t,r=null,s=""){let i=`var${s} ${t} : `;return i+=null!==r?this.generateArrayDeclaration(e,r):this.getType(e),i}getVars(e,t=!1){let r="";t&&(r="<private>");const s=[],i=this.vars[e];if(void 0!==i)for(const e of i)s.push(`${this.getVar(e.type,e.name,e.count,r)};`);return t?s.join("\n"):`\n\t${s.join("\n\t")}\n`}getVaryings(e){const t=[];if("vertex"===e&&this.getBuiltin("position","builtinClipSpace","vec4<f32>","vertex"),"vertex"===e||"fragment"===e){const r=this.varyings,s=this.vars[e];let i=0;for(let n=0;n<r.length;n++){const a=r[n];if(a.needsInterpolation){let e=`@location( ${i++} )`;if(a.interpolationType){const t=null!==a.interpolationSampling?`, ${a.interpolationSampling} )`:" )";e+=` @interpolate( ${a.interpolationType}${t}`}else/^(int|uint|ivec|uvec)/.test(a.type)&&(e+=" @interpolate(flat, either)");t.push(`${e} ${a.name} : ${this.getType(a.type)}`)}else"vertex"===e&&!1===s.includes(a)&&s.push(a)}}const r=this.getBuiltins(e);r&&t.push(r);const s=t.join(",\n\t");return"vertex"===e?this._getWGSLStruct("VaryingsStruct","\t"+s):s}isCustomStruct(e){const t=e.value,r=e.node,s=(t.isBufferAttribute||t.isInstancedBufferAttribute)&&null!==r.structTypeNode,i=r.value&&r.value.array&&"number"==typeof r.value.itemSize&&r.value.array.length>r.value.itemSize;return s&&!i}getUniforms(e){const t=this.renderer.backend,r=this.uniforms[e],s=[],i=[],n=[],a={};for(const n of r){const r=n.groupNode.name,o=this.bindingsIndexes[r];if("texture"===n.type||"cubeTexture"===n.type||"cubeDepthTexture"===n.type||"storageTexture"===n.type||"texture3D"===n.type){const r=n.node,i=r.value;let a;(!0===i.isCubeTexture||!1===this.isUnfilterable(i)&&!0!==r.isStorageTextureNode||null!==r.gatherNode)&&(this.isSampleCompare(i)&&null!==r.compareNode?s.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${n.name}_sampler : sampler_comparison;`):s.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${n.name}_sampler : sampler;`));let u="";const{primarySamples:l}=t.utils.getTextureSampleData(i);if(l>1&&(u="_multisampled"),!0===i.isCubeTexture&&!0===i.isDepthTexture)a="texture_depth_cube";else if(!0===i.isCubeTexture)a="texture_cube<f32>";else if(!0===i.isDepthTexture)a=t.compatibilityMode&&null===i.compareFunction?`texture${u}_2d<f32>`:`texture_depth${u}_2d${!0===i.isArrayTexture?"_array":""}`;else if(!0===n.node.isStorageTextureNode){const r=BM(i,t.device),s=this.getStorageAccess(n.node,e),o=n.node.value.is3DTexture,u=n.node.value.isArrayTexture;a=`texture_storage_${o?"3d":"2d"+(u?"_array":"")}<${r}, ${s}>`}else if(!0===i.isArrayTexture||!0===i.isDataArrayTexture||!0===i.isCompressedArrayTexture)a="texture_2d_array<f32>";else if(!0===i.is3DTexture||!0===i.isData3DTexture)a="texture_3d<f32>";else{a=`texture${u}_2d<${this.getComponentTypeFromTexture(i).charAt(0)}32>`}s.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${n.name} : ${a};`)}else if("buffer"===n.type||"storageBuffer"===n.type||"indirectStorageBuffer"===n.type){const t=n.node,r=this.getType(t.getNodeType(this)),s=t.bufferCount,a=s>0&&"buffer"===n.type?", "+s:"",u=t.isStorageBufferNode?`storage, ${this.getStorageAccess(t,e)}`:"uniform";if(this.isCustomStruct(n))i.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var<${u}> ${n.name} : ${r};`);else{const e=`\tvalue : array< ${t.isAtomic?`atomic<${r}>`:`${r}`}${a} >`;i.push(this._getWGSLStructBinding(n.name,e,u,o.binding++,o.group))}}else{const e=n.groupNode.name;if(void 0===a[e]){const t=this.uniformGroups[e];if(void 0!==t){const r=[];for(const e of t.uniforms){const t=e.getType(),s=this.getType(this.getVectorType(t));r.push(`\t${e.name} : ${s}`)}let s=this.uniformGroupsBindings[e];void 0===s&&(s={index:o.binding++,id:o.group},this.uniformGroupsBindings[e]=s),a[e]={index:s.index,id:s.id,snippets:r}}}}}for(const e in a){const t=a[e];n.push(this._getWGSLStructBinding(e,t.snippets.join(",\n"),"uniform",t.index,t.id))}return[...s,...i,...n].join("\n")}buildCode(){const e=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){this.shaderStage=t;const r=this.allowGlobalVariables,s=e[t];s.uniforms=this.getUniforms(t),s.attributes=this.getAttributes(t),s.varyings=this.getVaryings(t),s.structs=this.getStructs(t),s.vars=this.getVars(t,r),s.codes=this.getCodes(t),s.directives=this.getDirectives(t),s.scopedArrays=this.getScopedArrays(t);let i="// code\n\n";i+=this.flowCode[t];const n=this.flowNodes[t],a=n[n.length-1],o=a.outputNode,u=void 0!==o&&!0===o.isOutputStructNode;for(const e of n){const r=this.getFlowData(e),n=e.name;if(n&&(i.length>0&&(i+="\n"),i+=`\t// flow -> ${n}\n`),i+=`${r.code}\n\t`,e===a&&"compute"!==t)if(i+="// result\n\n\t","vertex"===t)i+=`varyings.builtinClipSpace = ${r.result};`;else if("fragment"===t)if(u)s.returnType=o.getNodeType(this),s.structs+="var<private> output : "+s.returnType+";",i+=`return ${r.result};`;else{let e=`\t@location( 0 ) color: ${this.getType(this.getOutputType())}`;const t=this.getBuiltins("output");t&&(e+=",\n\t"+t),s.returnType="OutputStruct",s.structs+=this._getWGSLStruct("OutputStruct",e),s.structs+="\nvar<private> output : OutputStruct;",i+=`output.color = ${this.format(r.result,a.getNodeType(this),this.getOutputType())};\n\n\treturn output;`}}s.flow=i}if(this.shaderStage=null,null!==this.material)this.vertexShader=this._getWGSLVertexCode(e.vertex),this.fragmentShader=this._getWGSLFragmentCode(e.fragment);else{const t=this.object.workgroupSize;this.computeShader=this._getWGSLComputeCode(e.compute,t)}}getMethod(e,t=null){let r;return null!==t&&(r=this._getWGSLMethod(e+"_"+t)),void 0===r&&(r=this._getWGSLMethod(e)),r||e}getBitcastMethod(e){return`bitcast<${this.getType(e)}>`}getFloatPackingMethod(e){return this.getMethod(`floatpack_${e}_2x16`)}getFloatUnpackingMethod(e){return this.getMethod(`floatunpack_${e}_2x16`)}getTernary(e,t,r){return`select( ${r}, ${t}, ${e} )`}getType(e){return $M[e]||e}isAvailable(e){let t=kM[e];return void 0===t&&("float32Filterable"===e?t=this.renderer.hasFeature("float32-filterable"):"clipDistance"===e&&(t=this.renderer.hasFeature("clip-distances")),kM[e]=t),t}_getWGSLMethod(e){return void 0!==WM[e]&&this._include(e),HM[e]}_include(e){const t=WM[e];return t.build(this),this.addInclude(t),t}_getWGSLVertexCode(e){return`${this.getSignature()}\n// directives\n${e.directives}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\nvar<private> varyings : VaryingsStruct;\n\n// vars\n${e.vars}\n\n// codes\n${e.codes}\n\n@vertex\nfn main( ${e.attributes} ) -> VaryingsStruct {\n\n\t// flow\n\t${e.flow}\n\n\treturn varyings;\n\n}\n`}_getWGSLFragmentCode(e){return`${this.getSignature()}\n// global\n${jM}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// vars\n${e.vars}\n\n// codes\n${e.codes}\n\n@fragment\nfn main( ${e.varyings} ) -> ${e.returnType} {\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLComputeCode(e,t){const[r,s,i]=t;return`${this.getSignature()}\n// directives\n${e.directives}\n\n// system\nvar<private> instanceIndex : u32;\n\n// locals\n${e.scopedArrays}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// vars\n${this.allowGlobalVariables?e.vars:""}\n\n// codes\n${e.codes}\n\n@compute @workgroup_size( ${r}, ${s}, ${i} )\nfn main( ${e.attributes} ) {\n\n\t// local vars\n\t${this.allowGlobalVariables?"":e.vars}\n\n\t// system\n\tinstanceIndex = globalId.x\n\t\t+ globalId.y * ( ${r} * numWorkgroups.x )\n\t\t+ globalId.z * ( ${r} * numWorkgroups.x ) * ( ${s} * numWorkgroups.y );\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLStruct(e,t){return`\nstruct ${e} {\n${t}\n};`}_getWGSLStructBinding(e,t,r,s=0,i=0){const n=e+"Struct";return`${this._getWGSLStruct(n,t)}\n@binding( ${s} ) @group( ${i} )\nvar<${r}> ${e} : ${n};`}}const XM=new XC,YM=new YC,QM=new Map([[Int8Array,["sint8","snorm8"]],[Uint8Array,["uint8","unorm8"]],[Int16Array,["sint16","snorm16"]],[Uint16Array,["uint16","unorm16"]],[Int32Array,["sint32","snorm32"]],[Uint32Array,["uint32","unorm32"]],[Float32Array,["float32"]]]);"undefined"!=typeof Float16Array&&QM.set(Float16Array,["float16"]);const KM=new Map([[xt,["float16"]]]),ZM=new Map([[Int32Array,"sint32"],[Int16Array,"sint32"],[Uint32Array,"uint32"],[Uint16Array,"uint32"],[Float32Array,"float32"]]);class JM{constructor(e){this.backend=e}createAttribute(e,t){const r=this._getBufferAttribute(e),s=this.backend,i=s.get(r);let n=i.buffer;if(void 0===n){const a=s.device;let o=r.array;if(!1===e.normalized)if(o.constructor===Int16Array||o.constructor===Int8Array)o=new Int32Array(o);else if((o.constructor===Uint16Array||o.constructor===Uint8Array)&&(o=new Uint32Array(o),t&GPUBufferUsage.INDEX))for(let e=0;e<o.length;e++)65535===o[e]&&(o[e]=4294967295);if(r.array=o,(r.isStorageBufferAttribute||r.isStorageInstancedBufferAttribute)&&3===r.itemSize){o=new o.constructor(4*r.count);for(let e=0;e<r.count;e++)o.set(r.array.subarray(3*e,3*e+3),4*e);r.itemSize=4,r.array=o,i._force3to4BytesAlignment=!0}const u=o.byteLength,l=u+(4-u%4)%4;XM.label=r.name,XM.size=l,XM.usage=t,XM.mappedAtCreation=!0,n=a.createBuffer(XM),XM.reset(),new o.constructor(n.getMappedRange()).set(o),n.unmap(),i.buffer=n}}updateAttribute(e){const t=this._getBufferAttribute(e),r=this.backend,s=r.device,i=r.get(t),n=r.get(t).buffer;let a=t.array;if(!0===i._force3to4BytesAlignment){a=new a.constructor(4*t.count);for(let e=0;e<t.count;e++)a.set(t.array.subarray(3*e,3*e+3),4*e);t.array=a}const o=t.updateRanges;if(0===o.length)s.queue.writeBuffer(n,0,a,0);else{const e=Qr(a),r=e?1:a.BYTES_PER_ELEMENT;for(let t=0,u=o.length;t<u;t++){const u=o[t];let l,d;if(!0===i._force3to4BytesAlignment){l=4*Math.floor(u.start/3)*r,d=4*Math.ceil(u.count/3)*r}else l=u.start*r,d=u.count*r;const c=l*(e?a.BYTES_PER_ELEMENT:1);s.queue.writeBuffer(n,c,a,l,d)}t.clearUpdateRanges()}}createShaderVertexBuffers(e){const t=e.getAttributes(),r=new Map;for(let e=0;e<t.length;e++){const s=t[e],i=s.array.BYTES_PER_ELEMENT,n=this._getBufferAttribute(s);let a=r.get(n);if(void 0===a){let e,t;!0===s.isInterleavedBufferAttribute?(e=s.data.stride*i,t=s.data.isInstancedInterleavedBuffer?IC:DC):(e=s.itemSize*i,t=s.isInstancedBufferAttribute?IC:DC),!1!==s.normalized||s.array.constructor!==Int16Array&&s.array.constructor!==Uint16Array||(e=4),a={arrayStride:e,attributes:[],stepMode:t},r.set(n,a)}const o=this._getVertexFormat(s),u=!0===s.isInterleavedBufferAttribute?s.offset*i:0;a.attributes.push({shaderLocation:e,offset:u,format:o})}return Array.from(r.values())}destroyAttribute(e){const t=this.backend;t.get(this._getBufferAttribute(e)).buffer.destroy(),t.delete(e)}async getArrayBufferAsync(e,t=null,r=0,s=-1){const i=this.backend,n=i.device,a=i.get(this._getBufferAttribute(e)).buffer,o=-1===s?a.size-r:s;let u;if(null!==t&&t.isReadbackBuffer){const e=i.get(t);if(!0===t._mapped)throw new Error("THREE.WebGPUAttributeUtils: ReadbackBuffer must be released before being used again.");if(t._mapped=!0,void 0===e.readBufferGPU){XM.label=`${t.name}_readback`,XM.size=t.maxByteLength,XM.usage=GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ,u=n.createBuffer(XM),XM.reset();const r=()=>{t.buffer=null,t._mapped=!1,u.unmap()},s=()=>{t.buffer=null,t._mapped=!1,u.destroy(),i.delete(t),t.removeEventListener("release",r),t.removeEventListener("dispose",s)};t.addEventListener("release",r),t.addEventListener("dispose",s),e.readBufferGPU=u}else u=e.readBufferGPU}else XM.label=`${e.name}_readback`,XM.size=o,XM.usage=GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ,u=n.createBuffer(XM),XM.reset();YM.label=`readback_encoder_${e.name}`;const l=n.createCommandEncoder(YM);YM.reset(),l.copyBufferToBuffer(a,r,u,0,o);if(jC(n,l.finish()),await u.mapAsync(GPUMapMode.READ,0,o),null===t){const e=u.getMappedRange(0,o).slice();return u.destroy(),e}if(t.isReadbackBuffer)return t.buffer=u.getMappedRange(0,o),t;{const e=u.getMappedRange(0,o);return new Uint8Array(t).set(new Uint8Array(e)),u.destroy(),t}}_getVertexFormat(e){const{itemSize:t,normalized:r}=e,s=e.array.constructor,i=e.constructor;let n;if(1===t)n=ZM.get(s);else{const e=(KM.get(i)||QM.get(s))[r?1:0];if(e){const r=s.BYTES_PER_ELEMENT*t,i=4*Math.floor((r+3)/4)/s.BYTES_PER_ELEMENT;if(i%1)throw new Error("THREE.WebGPUAttributeUtils: Bad vertex format item size.");n=`${e}x${i}`}}return n||o("WebGPUAttributeUtils: Vertex format not supported yet."),n}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}const eB=new qC,tB=new XC,rB=new sM;class sB{constructor(e){this.layoutGPU=e,this.usedTimes=0}}class iB{constructor(e){this.backend=e,this._bindGroupLayoutCache=new Map}createBindingsLayout(e){const t=this.backend,r=t.device,s=t.get(e);if(s.layout)return s.layout.layoutGPU;const i=this._createLayoutEntries(e),n=Gs(JSON.stringify(i));let a=this._bindGroupLayoutCache.get(n);return void 0===a&&(a=new sB(r.createBindGroupLayout({entries:i})),this._bindGroupLayoutCache.set(n,a)),a.usedTimes++,s.layout=a,s.layoutKey=n,a.layoutGPU}createBindings(e,t,r,s=0){const{backend:i}=this,n=i.get(e),a=this.createBindingsLayout(e);let o;r>0&&(void 0===n.groups&&(n.groups=[],n.versions=[]),n.versions[r]===s&&(o=n.groups[r])),void 0===o&&(o=this.createBindGroup(e,a),r>0&&(n.groups[r]=o,n.versions[r]=s)),n.group=o}updateBinding(e){const t=this.backend,r=t.device,s=e.buffer,i=t.get(e).buffer,n=e.updateRanges;if(0===n.length)r.queue.writeBuffer(i,0,s,0);else{const e=Qr(s),t=e?1:s.BYTES_PER_ELEMENT;for(let a=0,o=n.length;a<o;a++){const o=n[a],u=o.start*t,l=o.count*t,d=u*(e?s.BYTES_PER_ELEMENT:1);r.queue.writeBuffer(i,d,s,u,l)}}}createBindGroupIndex(e,t){const r=this.backend.device,s=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,i=e[0];tB.label="bindingCameraIndex_"+i,tB.size=16,tB.usage=s;const n=r.createBuffer(tB);tB.reset(),r.queue.writeBuffer(n,0,e,0),eB.label="bindGroupCameraIndex_"+i,eB.layout=t,eB.entries.push({binding:0,resource:{buffer:n}});const a=r.createBindGroup(eB);return eB.reset(),a}createBindGroup(e,t){const r=this.backend,s=r.device;let i=0;eB.label="bindGroup_"+e.name,eB.layout=t;for(const t of e.bindings){if(t.isUniformBuffer){const e=r.get(t);eB.entries.push({binding:i,resource:{buffer:e.buffer}})}else if(t.isStorageBuffer){const e=r.get(t.attribute).buffer;eB.entries.push({binding:i,resource:{buffer:e}})}else if(t.isSampledTexture){const e=r.get(t.texture);let n;if(void 0!==e.externalTexture)n=s.importExternalTexture({source:e.externalTexture});else{const r=t.store?1:e.texture.mipLevelCount,s=t.store?t.mipLevel:0;let i=`view-${e.texture.width}-${e.texture.height}`;if(e.texture.depthOrArrayLayers>1&&(i+=`-${e.texture.depthOrArrayLayers}`),i+=`-${r}-${s}`,n=e[i],void 0===n){const a=UC;let o;o=t.isSampledCubeTexture?FC:t.texture.isArrayTexture||t.texture.isDataArrayTexture||t.texture.isCompressedArrayTexture?LC:t.isSampledTexture3D?PC:BC,rB.aspect=a,rB.dimension=o,rB.mipLevelCount=r,rB.baseMipLevel=s,n=e[i]=e.texture.createView(rB),rB.reset()}}eB.entries.push({binding:i,resource:n})}else if(t.isSampler){const e=r.get(t.texture);eB.entries.push({binding:i,resource:e.sampler})}i++}const n=s.createBindGroup(eB);return eB.reset(),n}_createLayoutEntries(e){const t=[];let r=0;for(const s of e.bindings){const e=this.backend,i={binding:r,visibility:s.visibility};if(s.isUniformBuffer||s.isStorageBuffer){const e={};s.isStorageBuffer&&(s.visibility&CE.COMPUTE&&(s.access===ai.READ_WRITE||s.access===ai.WRITE_ONLY)?e.type=yC:e.type=bC),i.buffer=e}else if(s.isSampledTexture&&s.store){const e={};e.format=this.backend.get(s.texture).texture.format;const t=s.access;e.access=t===ai.READ_WRITE?_C:t===ai.WRITE_ONLY?xC:TC,s.texture.isArrayTexture?e.viewDimension=LC:s.texture.is3DTexture&&(e.viewDimension=PC),i.storageTexture=e}else if(s.isSampledTexture){const t={},{primarySamples:r}=e.utils.getTextureSampleData(s.texture);if(r>1&&(t.multisampled=!0,s.texture.isDepthTexture||(t.sampleType=RC)),s.texture.isDepthTexture)e.compatibilityMode&&null===s.texture.compareFunction?t.sampleType=RC:t.sampleType=EC;else{const e=s.texture.type;e===R?t.sampleType=wC:e===S?t.sampleType=AC:e===Y&&(this.backend.hasFeature("float32-filterable")?t.sampleType=SC:t.sampleType=RC)}s.isSampledCubeTexture?t.viewDimension=FC:s.texture.isArrayTexture||s.texture.isDataArrayTexture||s.texture.isCompressedArrayTexture?t.viewDimension=LC:s.isSampledTexture3D&&(t.viewDimension=PC),i.texture=t}else if(s.isSampler){const t={};s.texture.isDepthTexture&&(null!==s.texture.compareFunction&&null!==s.textureNode.compareNode&&e.hasCompatibility(E.TEXTURE_COMPARE)?t.type=NC:t.type=vC),i.sampler=t}else o(`WebGPUBindingUtils: Unsupported binding "${s}".`);t.push(i),r++}return t}deleteBindGroupData(e){const{backend:t}=this,r=t.get(e);r.layout&&(r.layout.usedTimes--,0===r.layout.usedTimes&&this._bindGroupLayoutCache.delete(r.layoutKey),r.layout=void 0,r.layoutKey=void 0)}dispose(){this._bindGroupLayoutCache.clear()}}class nB{constructor(e){this.backend=e}getMaxAnisotropy(){return 16}getUniformBufferLimit(){return this.backend.device.limits.maxUniformBufferBindingSize}}const aB=new class{constructor(){this.label="",this.layout=null,this.compute=null}reset(){this.label="",this.layout=null,this.compute=null}},oB=new class{constructor(){this.label="",this.bindGroupLayouts=null}reset(){this.label="",this.bindGroupLayouts=null}},uB=new QC,lB=new JC;class dB{constructor(e){this.backend=e,this._activePipelines=new WeakMap}setPipeline(e,t){this._activePipelines.get(e)!==t&&(e.setPipeline(t),this._activePipelines.set(e,t))}_getSampleCount(e){return this.backend.utils.getSampleCountRenderContext(e)}createRenderPipeline(e,t){const{object:r,material:s,geometry:i,pipeline:n}=e,{vertexProgram:a,fragmentProgram:u}=n,l=this.backend,d=l.device,c=l.utils,h=l.get(n),p=[];for(const t of e.getBindings()){const e=l.get(t),{layoutGPU:r}=e.layout;p.push(r)}const g=l.attributeUtils.createShaderVertexBuffers(e);let m;s.blending===re||s.blending===tt&&!1===s.transparent||(m=this._getBlending(s));let f={};!0===s.stencilWrite&&(f={compare:this._getStencilCompare(s),failOp:this._getStencilOperation(s.stencilFail),depthFailOp:this._getStencilOperation(s.stencilZFail),passOp:this._getStencilOperation(s.stencilZPass)});const y=this._getColorWriteMask(s),b=[];if(null!==e.context.textures){const t=e.context.textures,r=e.context.mrt;for(let e=0;e<t.length;e++){const s=t[e],i=c.getTextureFormatGPU(s);let n;if(null!==r)if(!0!==this.backend.compatibilityMode){const e=r.getBlendMode(s.name);e.blending===nt?n=m:e.blending!==re&&(n=this._getBlending(e))}else v("WebGPURenderer: Multiple Render Targets (MRT) blending configuration is not fully supported in compatibility mode. The material blending will be used for all render targets."),n=m;else n=m;b.push({format:i,blend:n,writeMask:y})}}else{const t=c.getCurrentColorFormat(e.context);b.push({format:t,blend:m,writeMask:y})}const x=l.get(a).module,T=l.get(u).module,_=this._getPrimitiveState(r,i,s),N=this._getDepthCompare(s),S=c.getCurrentDepthStencilFormat(e.context),R=this._getSampleCount(e.context);oB.bindGroupLayouts=p;const E=d.createPipelineLayout(oB);oB.reset(),lB.label=`renderPipeline_${s.name||s.type}_${s.id}`,lB.vertex=Object.assign({},x,{buffers:g}),lB.fragment=Object.assign({},T,{targets:b}),lB.primitive=_,lB.multisample.count=R,lB.multisample.alphaToCoverageEnabled=s.alphaToCoverage&&R>1,lB.layout=E;const w={},A=e.context.depth,C=e.context.stencil;!0!==A&&!0!==C||(!0===A&&(w.format=S,w.depthWriteEnabled=s.depthWrite,w.depthCompare=N),!0===C&&(w.stencilFront=f,w.stencilBack=f,w.stencilReadMask=s.stencilFuncMask,w.stencilWriteMask=s.stencilWriteMask),!0===s.polygonOffset&&_.topology===AE&&(w.depthBias=s.polygonOffsetUnits,w.depthBiasSlopeScale=s.polygonOffsetFactor,w.depthBiasClamp=0),lB.depthStencil=w),d.pushErrorScope("validation");const M=[{program:a,module:x.module},{program:u,module:T.module}],B=lB.label;if(null===t)h.pipeline=d.createRenderPipeline(lB),lB.reset(),d.popErrorScope().then(e=>{null!==e&&(h.error=!0,o(`WebGPURenderer: Render pipeline creation failed (${B}): ${e.message}`),this._reportShaderDiagnostics(M,B))});else{const e=new Promise(async e=>{try{let e=null;try{h.pipeline=await d.createRenderPipelineAsync(lB)}catch(t){e=t}const t=await d.popErrorScope();if(null!==t||null!==e){h.error=!0;const r=t&&t.message||e&&e.message||"unknown";o(`WebGPURenderer: Async render pipeline creation failed (${B}): ${r}`),await this._reportShaderDiagnostics(M,B)}}finally{lB.reset(),e()}});t.push(e)}}createBundleEncoder(e,t="renderBundleEncoder"){const r=this.backend,{utils:s,device:i}=r,n=s.getCurrentDepthStencilFormat(e),a=s.getCurrentColorFormats(e),o=this._getSampleCount(e);uB.label=t,uB.colorFormats=a,uB.depthStencilFormat=n,uB.sampleCount=o;const u=i.createRenderBundleEncoder(uB);return uB.reset(),u}createComputePipeline(e,t){const r=this.backend,s=r.device,i=r.get(e.computeProgram).module,n=r.get(e),a=[];for(const e of t){const t=r.get(e),{layoutGPU:s}=t.layout;a.push(s)}const u=e.computeProgram,l=`computePipeline_${u.stage}${u.name?`_${u.name}`:""}`;s.pushErrorScope("validation"),oB.bindGroupLayouts=a;const d=s.createPipelineLayout(oB);oB.reset(),aB.label=l,aB.compute=i,aB.layout=d,n.pipeline=s.createComputePipeline(aB),aB.reset(),s.popErrorScope().then(e=>{null!==e&&(n.error=!0,o(`WebGPURenderer: Compute pipeline creation failed (${l}): ${e.message}`),this._reportShaderDiagnostics([{program:u,module:i.module}],l))})}async _reportShaderDiagnostics(e,t){for(const{program:r,module:s}of e){const e=await s.getCompilationInfo();if(0===e.messages.length)continue;const i=r.code.split("\n");for(const s of e.messages){const e=s.lineNum>0?` at line ${s.lineNum}${s.linePos>0?`:${s.linePos}`:""}`:"",n=`WebGPURenderer [${t} / ${r.stage} ${s.type}]${e}: ${s.message}`;let a="";s.lineNum>0&&s.lineNum<=i.length&&(a=`\n  ${i[s.lineNum-1]}`,s.linePos>0&&(a+=`\n  ${" ".repeat(s.linePos-1)}^`)),("error"===s.type?o:d)(n+a)}}}_getBlending(e){let t,r;const s=e.blending,i=e.blendSrc,n=e.blendDst,a=e.blendEquation;if(s===Rt){const s=null!==e.blendSrcAlpha?e.blendSrcAlpha:i,o=null!==e.blendDstAlpha?e.blendDstAlpha:n,u=null!==e.blendEquationAlpha?e.blendEquationAlpha:a;t={srcFactor:this._getBlendFactor(i),dstFactor:this._getBlendFactor(n),operation:this._getBlendOperation(a)},r={srcFactor:this._getBlendFactor(s),dstFactor:this._getBlendFactor(o),operation:this._getBlendOperation(u)}}else{const i=(e,s,i,n)=>{t={srcFactor:e,dstFactor:s,operation:rC},r={srcFactor:i,dstFactor:n,operation:rC}};if(e.premultipliedAlpha)switch(s){case tt:i(WA,XA,WA,XA);break;case Kt:i(WA,WA,WA,WA);break;case Qt:i(zA,jA,zA,WA);break;case Yt:i(YA,XA,zA,WA)}else switch(s){case tt:i(qA,XA,WA,XA);break;case Kt:i(qA,WA,WA,WA);break;case Qt:o(`WebGPURenderer: "SubtractiveBlending" requires "${e.isMaterial?"material":"blendMode"}.premultipliedAlpha = true".`);break;case Yt:o(`WebGPURenderer: "MultiplyBlending" requires "${e.isMaterial?"material":"blendMode"}.premultipliedAlpha = true".`)}}if(void 0!==t&&void 0!==r)return{color:t,alpha:r};o("WebGPURenderer: Invalid blending: ",s)}_getBlendFactor(e){let t;switch(e){case Et:t=zA;break;case Ht:t=WA;break;case Wt:t=HA;break;case kt:t=jA;break;case rt:t=qA;break;case st:t=XA;break;case $t:t=YA;break;case Vt:t=QA;break;case Gt:t=KA;break;case Ot:t=ZA;break;case zt:t=JA;break;case 211:t=eC;break;case 212:t=tC;break;default:o("WebGPURenderer: Blend factor not supported.",e)}return t}_getStencilCompare(e){let t;const r=e.stencilFunc;switch(r){case is:t=ME;break;case ss:t=IE;break;case rs:t=BE;break;case ts:t=FE;break;case es:t=LE;break;case Jr:t=DE;break;case Zr:t=PE;break;case Kr:t=UE;break;default:o("WebGPURenderer: Invalid stencil function.",r)}return t}_getStencilOperation(e){let t;switch(e){case hs:t=lC;break;case cs:t=dC;break;case ds:t=cC;break;case ls:t=hC;break;case us:t=pC;break;case os:t=gC;break;case as:t=mC;break;case ns:t=fC;break;default:o("WebGPURenderer: Invalid stencil operation.",t)}return t}_getBlendOperation(e){let t;switch(e){case it:t=rC;break;case It:t=sC;break;case Dt:t=iC;break;case gs:t=nC;break;case ps:t=aC;break;default:o("WebGPUPipelineUtils: Blend equation not supported.",e)}return t}_getPrimitiveState(e,t,r){const s={},i=this.backend.utils;s.topology=i.getPrimitiveTopology(e,r),null!==t.index&&!0===e.isLine&&!0!==e.isLineSegments&&(s.stripIndexFormat=t.index.array instanceof Uint16Array?HE:jE);let n=r.side===F;return e.isMesh&&e.matrixWorld.determinant()<0&&(n=!n),s.frontFace=!0===n?$E:GE,s.cullMode=r.side===P?zE:WE,s}_getColorWriteMask(e){return!0===e.colorWrite?uC:oC}_getDepthCompare(e){let t;if(!1===e.depthTest)t=IE;else{const r=this.backend.parameters.reversedDepthBuffer?ar[e.depthFunc]:e.depthFunc;switch(r){case nr:t=ME;break;case ir:t=IE;break;case sr:t=BE;break;case rr:t=FE;break;case tr:t=LE;break;case er:t=DE;break;case Jt:t=PE;break;case Zt:t=UE;break;default:o("WebGPUPipelineUtils: Invalid depth function.",r)}}return t}}class cB{constructor(){this.label="",this.type=void 0,this.count=0}reset(){this.label="",this.type=void 0,this.count=0}}const hB=new XC,pB=new YC,gB=new cB;class mB extends vE{constructor(e,t,r=2048){super(r),this.device=e,this.type=t,gB.label=`queryset_global_timestamp_${t}`,gB.type="timestamp",gB.count=this.maxQueries,this.querySet=this.device.createQuerySet(gB),gB.reset();const s=8*this.maxQueries;hB.label=`buffer_timestamp_resolve_${t}`,hB.size=s,hB.usage=GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC,this.resolveBuffer=this.device.createBuffer(hB),hB.reset(),hB.label=`buffer_timestamp_result_${t}`,hB.size=s,hB.usage=GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ,this.resultBuffer=this.device.createBuffer(hB),hB.reset()}allocateQueriesForContext(e){if(!this.trackTimestamp||this.isDisposed)return null;if(this.currentQueryIndex+2>this.maxQueries)return v(`WebGPUTimestampQueryPool [${this.type}]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${this.type.toUpperCase()} ).`),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryOffsets.set(e,t),t}async resolveQueriesAsync(){if(!this.trackTimestamp||0===this.currentQueryIndex||this.isDisposed)return this.lastValue;if(this.pendingResolve)return this.pendingResolve;this.pendingResolve=this._resolveQueries();try{return await this.pendingResolve}finally{this.pendingResolve=null}}async _resolveQueries(){if(this.isDisposed)return this.lastValue;try{if("unmapped"!==this.resultBuffer.mapState)return this.lastValue;const e=new Map(this.queryOffsets),t=this.currentQueryIndex,r=8*t;this.currentQueryIndex=0,this.queryOffsets.clear();const s=this.device.createCommandEncoder(pB);s.resolveQuerySet(this.querySet,0,t,this.resolveBuffer,0),s.copyBufferToBuffer(this.resolveBuffer,0,this.resultBuffer,0,r);const i=s.finish();if(jC(this.device,i),"unmapped"!==this.resultBuffer.mapState)return this.lastValue;if(await this.resultBuffer.mapAsync(GPUMapMode.READ,0,r),this.isDisposed)return"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue;const n=new BigUint64Array(this.resultBuffer.getMappedRange(0,r)),a={},o=[];for(const[t,r]of e){const e=t.match(/^(.*):f(\d+)$/),s=parseInt(e[2]);!1===o.includes(s)&&o.push(s),void 0===a[s]&&(a[s]=0);const i=n[r],u=n[r+1],l=Number(u-i)/1e6;this.timestamps.set(t,l),a[s]+=l}const u=a[o[o.length-1]];return this.resultBuffer.unmap(),this.lastValue=u,this.frames=o,u}catch(e){return o("Error resolving queries:",e),"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue}}async dispose(){if(!this.isDisposed){if(this.isDisposed=!0,this.pendingResolve)try{await this.pendingResolve}catch(e){o("Error waiting for pending resolve:",e)}if(this.resultBuffer&&"mapped"===this.resultBuffer.mapState)try{this.resultBuffer.unmap()}catch(e){o("Error unmapping buffer:",e)}this.querySet&&(this.querySet.destroy(),this.querySet=null),this.resolveBuffer&&(this.resolveBuffer.destroy(),this.resolveBuffer=null),this.resultBuffer&&(this.resultBuffer.destroy(),this.resultBuffer=null),this.queryOffsets.clear(),this.pendingResolve=null}}}class fB{constructor(){this.view=null,this.depthLoadOp=void 0,this.depthStoreOp=void 0,this.depthClearValue=void 0,this.depthReadOnly=!1,this.stencilLoadOp=void 0,this.stencilStoreOp=void 0,this.stencilClearValue=0,this.stencilReadOnly=!1}reset(){this.view=null,this.depthLoadOp=void 0,this.depthStoreOp=void 0,this.depthClearValue=void 0,this.depthReadOnly=!1,this.stencilLoadOp=void 0,this.stencilStoreOp=void 0,this.stencilClearValue=0,this.stencilReadOnly=!1}}const yB={r:0,g:0,b:0,a:1},bB=new XC,xB=new YC,TB=new class{constructor(){this.label="",this.timestampWrites=void 0}reset(){this.label="",this.timestampWrites=void 0}},_B=new cB,vB=new tM,NB=new class{constructor(){this.querySet=null,this.beginningOfPassWriteIndex=void 0,this.endOfPassWriteIndex=void 0}reset(){this.querySet=null,this.beginningOfPassWriteIndex=void 0,this.endOfPassWriteIndex=void 0}},SB=new mM,RB=new mM,EB=new sM,wB=new fM;class AB extends iE{constructor(e={}){super(e),this.isWebGPUBackend=!0,this.parameters.alpha=void 0===e.alpha||e.alpha,this.parameters.requiredLimits=void 0===e.requiredLimits?{}:e.requiredLimits,this.compatibilityMode=null,this.device=null,this.defaultRenderPassdescriptor=null,this.utils=new HC(this),this.attributeUtils=new JM(this),this.bindingUtils=new iB(this),this.capabilities=new nB(this),this.pipelineUtils=new dB(this),this.textureUtils=new MM(this),this.occludedResolveCache=new Map;const t="undefined"==typeof navigator||!1===/Android/.test(navigator.userAgent);this._compatibility={[E.TEXTURE_COMPARE]:t}}async init(e){await super.init(e);const t=this.parameters;let r;if(void 0===t.device){const s={powerPreference:t.powerPreference,featureLevel:"compatibility",xrCompatible:e.xr.enabled},i="undefined"!=typeof navigator?await navigator.gpu.requestAdapter(s):null;if(null===i)throw new Error("THREE.WebGPUBackend: Unable to create WebGPU adapter.");const n=Object.values(OC),a=[];for(const e of n)i.features.has(e)&&a.push(e);const o={requiredFeatures:a,requiredLimits:t.requiredLimits};r=await i.requestDevice(o)}else r=t.device;this.compatibilityMode=!r.features.has("core-features-and-limits"),this.compatibilityMode&&(e._samples=0),r.lost.then(t=>{if("destroyed"===t.reason)return;const r={api:"WebGPU",message:t.message||"Unknown reason",reason:t.reason||null,originalEvent:t};e.onDeviceLost(r)}),r.onuncapturederror=t=>{const r=t.error,s=r&&r.constructor?r.constructor.name:"GPUError",i=r&&r.message||"Unknown uncaptured GPU error";e.onError({api:"WebGPU",type:s,message:i,originalEvent:t})},this.device=r,this.trackTimestamp=this.trackTimestamp&&this.hasFeature(OC.TimestampQuery),this.updateSize()}setXRRenderTargetTextures(e,t,r=null){this.set(e.texture,{texture:t,format:t.format,externalTexture:!0,xrViewDescriptors:r,initialized:!0})}get context(){const e=this.renderer.getCanvasTarget(),t=this.get(e);let r=t.context;if(void 0===r){const s=this.parameters;r=!0===e.isDefaultCanvasTarget&&void 0!==s.context?s.context:e.domElement.getContext("webgpu"),"setAttribute"in e.domElement&&e.domElement.setAttribute("data-engine",`three.js r${_t} webgpu`);const i=s.alpha?"premultiplied":"opaque",n=s.outputType===Te?"extended":"standard";r.configure({device:this.device,format:this.utils.getPreferredCanvasFormat(),usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC,alphaMode:i,toneMapping:{mode:n}}),t.context=r}return r}get coordinateSystem(){return h}get hasTimestamp(){return!0}async getArrayBufferAsync(e,t=null,r=0,s=-1){return await this.attributeUtils.getArrayBufferAsync(e,t,r,s)}getContext(){return this.context}_getDefaultRenderPassDescriptor(){const e=this.renderer,t=e.getCanvasTarget(),r=this.get(t),s=e.currentSamples;let i=r.descriptor;if(void 0===i||r.samples!==s){if(i=new ZC,i.colorAttachments.push(new KC),!0===e.depth||!0===e.stencil){const t=new fB;t.view=this.textureUtils.getDepthBuffer(e.depth,e.stencil).createView(),i.depthStencilAttachment=t}const t=i.colorAttachments[0];s>0?t.view=this.textureUtils.getColorBuffer().createView():t.resolveTarget=void 0,r.descriptor=i,r.samples=s}const n=i.colorAttachments[0];return s>0?n.resolveTarget=this.context.getCurrentTexture().createView():n.view=this.context.getCurrentTexture().createView(),i}_isRenderCameraDepthArray(e){const t=e.camera;return e.depthTexture&&!0===e.depthTexture.isArrayTexture&&null!==t&&!0===t.isArrayCamera}_hasExternalTexture(e){const t=e.textures;if(null===t)return!1;for(let e=0;e<t.length;e++)if(!0===this.get(t[e]).externalTexture)return!0;return!1}_createExternalTextureViews(e,t){const r=[],s=e.camera;if(t.xrViewDescriptors&&null!==s&&!0===s.isArrayCamera)for(let e=0;e<t.xrViewDescriptors.length;e++)r.push({view:t.texture.createView(t.xrViewDescriptors[e]),resolveTarget:void 0,depthSlice:void 0});else r.push({view:t.texture.createView({dimension:BC,baseArrayLayer:e.activeCubeFace,arrayLayerCount:1}),resolveTarget:void 0,depthSlice:void 0});return r}_getRenderPassDescriptor(e,t={}){const r=e.renderTarget,s=this.get(r),i=this._hasExternalTexture(e);let n=s.descriptors;(void 0===n||s.width!==r.width||s.height!==r.height||s.samples!==r.samples||i)&&(n={},s.descriptors=n);const a=e.getCacheKey();let o=n[a];if(void 0===o||i){const t=e.textures,i=[];let u;const l=this._isRenderCameraDepthArray(e);for(let s=0;s<t.length;s++){const n=this.get(t[s]);if(!0!==n.externalTexture){if(EB.label=`colorAttachment_${s}`,EB.baseMipLevel=e.activeMipmapLevel,EB.mipLevelCount=1,EB.baseArrayLayer=e.activeCubeFace,EB.arrayLayerCount=1,EB.dimension=BC,r.isRenderTarget3D)u=e.activeCubeFace,EB.baseArrayLayer=0,EB.dimension=PC;else if(r.isRenderTarget&&t[s].image.depth>1)if(!0===l){const t=e.camera.cameras;for(let e=0;e<t.length;e++){EB.baseArrayLayer=e,EB.arrayLayerCount=1,EB.dimension=BC;const t=n.texture.createView(EB);i.push({view:t,resolveTarget:void 0,depthSlice:void 0})}}else EB.dimension=LC;if(!0!==l){const e=n.texture.createView(EB);let t,r;void 0!==n.msaaTexture?(t=n.msaaTexture.createView(),r=e):(t=e,r=void 0),i.push({view:t,resolveTarget:r,depthSlice:u})}EB.reset()}else i.push(...this._createExternalTextureViews(e,n))}const d=[];for(let e=0;e<i.length;e++){const t=i[e],r=new KC;r.view=t.view,r.depthSlice=t.depthSlice,r.resolveTarget=t.resolveTarget,d.push(r)}if(o={textureViews:i,colorAttachments:d,descriptor:new ZC},e.depth){const t=this.get(e.depthTexture);(e.depthTexture.isArrayTexture||e.depthTexture.isCubeTexture)&&(EB.dimension=BC,EB.arrayLayerCount=1,EB.baseArrayLayer=e.activeCubeFace);const r=new fB;r.view=t.texture.createView(EB),o.depthStencilAttachment=r,EB.reset()}n[a]=o,s.width=r.width,s.height=r.height,s.samples=r.samples,s.activeMipmapLevel=e.activeMipmapLevel,s.activeCubeFace=e.activeCubeFace}const u=o.descriptor;u.reset();for(let e=0;e<o.colorAttachments.length;e++){const r=o.colorAttachments[e];let s={r:0,g:0,b:0,a:1};0===e&&t.clearValue&&(s=t.clearValue),r.loadOp=t.loadOp||VE,r.storeOp=t.storeOp||OE,r.clearValue=s,u.colorAttachments.push(r)}return o.depthStencilAttachment&&(u.depthStencilAttachment=o.depthStencilAttachment),u}beginRender(e){const t=this.get(e),r=this.device,s=e.occlusionQueryCount;let i,n;s>0&&(t.currentOcclusionQuerySet&&t.currentOcclusionQuerySet.destroy(),t.currentOcclusionQueryBuffer&&t.currentOcclusionQueryBuffer.destroy(),t.currentOcclusionQuerySet=t.occlusionQuerySet,t.currentOcclusionQueryBuffer=t.occlusionQueryBuffer,t.currentOcclusionQueryObjects=t.occlusionQueryObjects,_B.label=`occlusionQuerySet_${e.id}`,_B.type="occlusion",_B.count=s,i=r.createQuerySet(_B),_B.reset(),t.occlusionQuerySet=i,t.occlusionQueryIndex=0,t.occlusionQueryObjects=new Array(s),t.lastOcclusionObject=null),n=null===e.textures?this._getDefaultRenderPassDescriptor():this._getRenderPassDescriptor(e,{loadOp:VE}),this.initTimestampQuery(Pt.RENDER,this.getTimestampUID(e),n),n.occlusionQuerySet=i;const a=n.depthStencilAttachment;if(null!==e.textures){const t=n.colorAttachments;for(let r=0;r<t.length;r++){const s=t[r];e.clearColor?(0===r?s.clearValue=e.clearColorValue:(yB.r=0,yB.g=0,yB.b=0,yB.a=1,s.clearValue=yB),s.loadOp=kE):s.loadOp=VE,s.storeOp=OE}}else{const t=n.colorAttachments[0];e.clearColor?(t.clearValue=e.clearColorValue,t.loadOp=kE):t.loadOp=VE,t.storeOp=OE}e.depth&&(e.clearDepth?(a.depthClearValue=e.clearDepthValue,a.depthLoadOp=kE):a.depthLoadOp=VE,a.depthStoreOp=OE),e.stencil&&(e.clearStencil?(a.stencilClearValue=e.clearStencilValue,a.stencilLoadOp=kE):a.stencilLoadOp=VE,a.stencilStoreOp=OE),xB.label="renderContext_"+e.id;const o=r.createCommandEncoder(xB);if(xB.reset(),!0===this._isRenderCameraDepthArray(e)){const r=e.camera.cameras;t.layerDescriptors&&t.layerDescriptors.length===r.length?this._updateArrayCameraLayerDescriptors(e,t,r):this._createArrayCameraLayerDescriptors(e,t,n,r),t.bundleEncoders=[],t.bundleSets=[];for(let s=0;s<r.length;s++){const r=this.pipelineUtils.createBundleEncoder(e,"renderBundleArrayCamera_"+s),i={attributes:{},bindingGroups:[],pipeline:null,index:null};t.bundleEncoders.push(r),t.bundleSets.push(i)}t.currentPass=null}else{const r=o.beginRenderPass(n);t.currentPass=r,e.viewport&&this.updateViewport(e),e.scissor&&this.updateScissor(e)}t.descriptor=n,t.encoder=o,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.renderBundles=[]}_createArrayCameraLayerDescriptors(e,t,r,s){const i=r.depthStencilAttachment;t.layerDescriptors=[];const n=this.get(e.depthTexture);n.viewCache||(n.viewCache=[]);for(let a=0;a<s.length;a++){const s=r.colorAttachments[0],o=new KC;o.view=r.colorAttachments[a].view,o.depthSlice=s.depthSlice,o.resolveTarget=s.resolveTarget,o.loadOp=s.loadOp,o.storeOp=s.storeOp,o.clearValue=s.clearValue;const u=new ZC;if(u.label=r.label,u.occlusionQuerySet=r.occlusionQuerySet,u.timestampWrites=r.timestampWrites,u.colorAttachments.push(o),r.depthStencilAttachment){const t=a;n.viewCache[t]||(EB.dimension=BC,EB.baseArrayLayer=a,EB.arrayLayerCount=1,n.viewCache[t]=n.texture.createView(EB),EB.reset());const r=new fB;r.view=n.viewCache[t],r.depthLoadOp=i.depthLoadOp||kE,r.depthStoreOp=i.depthStoreOp||OE,r.depthClearValue=i.depthClearValue||1,e.stencil&&(r.stencilLoadOp=i.stencilLoadOp,r.stencilStoreOp=i.stencilStoreOp,r.stencilClearValue=i.stencilClearValue),u.depthStencilAttachment=r}else{const e=new fB;e.view=i.view,e.depthLoadOp=i.depthLoadOp,e.depthStoreOp=i.depthStoreOp,e.depthClearValue=i.depthClearValue,e.depthReadOnly=i.depthReadOnly,e.stencilLoadOp=i.stencilLoadOp,e.stencilStoreOp=i.stencilStoreOp,e.stencilClearValue=i.stencilClearValue,e.stencilReadOnly=i.stencilReadOnly,u.depthStencilAttachment=e}t.layerDescriptors.push(u)}}_updateArrayCameraLayerDescriptors(e,t,r){for(let s=0;s<r.length;s++){const r=t.layerDescriptors[s];if(r.depthStencilAttachment){const t=r.depthStencilAttachment;e.depth&&(e.clearDepth?(t.depthClearValue=e.clearDepthValue,t.depthLoadOp=kE):t.depthLoadOp=VE),e.stencil&&(e.clearStencil?(t.stencilClearValue=e.clearStencilValue,t.stencilLoadOp=kE):t.stencilLoadOp=VE)}}}finishRender(e){const t=this.get(e),r=e.occlusionQueryCount;t.renderBundles.length>0&&t.currentPass.executeBundles(t.renderBundles),r>t.occlusionQueryIndex&&t.currentPass.endOcclusionQuery();const s=t.encoder;if(!0===this._isRenderCameraDepthArray(e)){const r=[];for(let e=0;e<t.bundleEncoders.length;e++){const s=t.bundleEncoders[e];r.push(s.finish())}for(let i=0;i<t.layerDescriptors.length;i++)if(i<r.length){const n=t.layerDescriptors[i],a=s.beginRenderPass(n);if(e.viewport){const{x:t,y:r,width:s,height:i,minDepth:n,maxDepth:o}=e.viewportValue;a.setViewport(t,r,s,i,n,o)}if(e.scissor){const{x:t,y:r,width:s,height:i}=e.scissorValue;a.setScissorRect(t,r,s,i)}a.executeBundles([r[i]]),a.end()}}else t.currentPass&&t.currentPass.end();if(r>0){const s=8*r;let i=this.occludedResolveCache.get(s);void 0===i&&(bB.size=s,bB.usage=GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC,i=this.device.createBuffer(bB),bB.reset(),this.occludedResolveCache.set(s,i)),bB.size=s,bB.usage=GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ;const n=this.device.createBuffer(bB);bB.reset(),t.encoder.resolveQuerySet(t.occlusionQuerySet,0,r,i,0),t.encoder.copyBufferToBuffer(i,0,n,0,s),t.occlusionQueryBuffer=n,this.resolveOccludedAsync(e)}if(jC(this.device,t.encoder.finish()),null!==e.textures){const t=e.textures;for(let e=0;e<t.length;e++){const r=t[e];!0===r.generateMipmaps&&this.textureUtils.generateMipmaps(r)}}}isOccluded(e,t){const r=this.get(e);return r.occluded&&r.occluded.has(t)}async resolveOccludedAsync(e){const t=this.get(e),{currentOcclusionQueryBuffer:r,currentOcclusionQueryObjects:s}=t;if(r&&s){const e=new WeakSet;t.currentOcclusionQueryObjects=null,t.currentOcclusionQueryBuffer=null,await r.mapAsync(GPUMapMode.READ);const i=r.getMappedRange(),n=new BigUint64Array(i);for(let t=0;t<s.length;t++)n[t]===BigInt(0)&&e.add(s[t]);r.destroy(),t.occluded=e}}updateViewport(e){const{currentPass:t}=this.get(e),{x:r,y:s,width:i,height:n,minDepth:a,maxDepth:o}=e.viewportValue;t.setViewport(r,s,i,n,a,o)}updateScissor(e){const{currentPass:t}=this.get(e),{x:r,y:s,width:i,height:n}=e.scissorValue;t.setScissorRect(r,s,i,n)}getClearColor(){const e=super.getClearColor();return!0===this.renderer.alpha&&(e.r*=e.a,e.g*=e.a,e.b*=e.a),e}clear(e,t,r,s=null){const i=this.device,n=this.renderer;let a,o,u,l=[];if(e){const e=this.getClearColor();yB.r=e.r,yB.g=e.g,yB.b=e.b,yB.a=e.a}if(null===s){o=n.depth,u=n.stencil;const t=this._getDefaultRenderPassDescriptor();if(e){l=t.colorAttachments;const e=l[0];e.clearValue=yB,e.loadOp=kE,e.storeOp=OE}(o||u)&&(a=t.depthStencilAttachment)}else{o=s.depth,u=s.stencil;const i={loadOp:e?kE:VE,clearValue:e?yB:void 0};o&&(i.depthLoadOp=t?kE:VE,i.depthClearValue=t?n.getClearDepth():void 0,i.depthStoreOp=OE),u&&(i.stencilLoadOp=r?kE:VE,i.stencilClearValue=r?n.getClearStencil():void 0,i.stencilStoreOp=OE);const d=this._getRenderPassDescriptor(s,i);l=d.colorAttachments,a=d.depthStencilAttachment}o&&a&&(t?(a.depthLoadOp=kE,a.depthClearValue=n.getClearDepth(),a.depthStoreOp=OE):(a.depthLoadOp=VE,a.depthStoreOp=OE)),u&&a&&(r?(a.stencilLoadOp=kE,a.stencilClearValue=n.getClearStencil(),a.stencilStoreOp=OE):(a.stencilLoadOp=VE,a.stencilStoreOp=OE)),xB.label="clear";const d=i.createCommandEncoder(xB);xB.reset();d.beginRenderPass({colorAttachments:l,depthStencilAttachment:a}).end(),jC(i,d.finish())}beginCompute(e){const t=this.get(e),r="computeGroup_"+e.id;TB.label=r,xB.label=r,this.initTimestampQuery(Pt.COMPUTE,this.getTimestampUID(e),TB),t.cmdEncoderGPU=this.device.createCommandEncoder(xB),t.passEncoderGPU=t.cmdEncoderGPU.beginComputePass(TB),xB.reset(),TB.reset()}compute(e,t,r,s,i=null){const n=this.get(t),{passEncoderGPU:a}=this.get(e),o=this.get(s).pipeline;this.pipelineUtils.setPipeline(a,o);for(let e=0,t=r.length;e<t;e++){const t=r[e],s=this.get(t);a.setBindGroup(e,s.group)}if(null===i&&(i=t.dispatchSize||t.count),i&&i.isIndirectStorageBufferAttribute){const e=this.get(i).buffer;return void a.dispatchWorkgroupsIndirect(e,0)}if("number"==typeof i){const e=i;if(void 0===n.dispatchSize||n.count!==e){n.dispatchSize=[0,1,1],n.count=e;const r=t.workgroupSize;let s=r[0];for(let e=1;e<r.length;e++)s*=r[e];const a=Math.ceil(e/s),o=this.device.limits.maxComputeWorkgroupsPerDimension;i=[a,1,1],a>o&&(i[0]=Math.min(a,o),i[1]=Math.ceil(a/o)),n.dispatchSize=i}i=n.dispatchSize}a.dispatchWorkgroups(i[0],i[1]||1,i[2]||1)}finishCompute(e){const t=this.get(e);t.passEncoderGPU.end(),jC(this.device,t.cmdEncoderGPU.finish())}_draw(e,t,r,s,i,n,a,o,u){const{object:l,material:d,context:c}=e,h=e.getIndex(),p=null!==h;this.pipelineUtils.setPipeline(o,s),u.pipeline=s;const g=u.bindingGroups;for(let e=0,t=i.length;e<t;e++){const t=i[e],r=this.get(t);g[e]!==t.id&&(o.setBindGroup(e,r.group),g[e]=t.id)}if(!0===p&&u.index!==h){const e=this.get(h).buffer,t=h.array instanceof Uint16Array?HE:jE;o.setIndexBuffer(e,t),u.index=h}for(let e=0,t=n.length;e<t;e++){const t=n[e];if(u.attributes[e]!==t){const r=this.get(t).buffer;o.setVertexBuffer(e,r),u.attributes[e]=t}}if(!0===c.stencil&&!0===d.stencilWrite&&r.currentStencilRef!==d.stencilRef&&(o.setStencilReference(d.stencilRef),r.currentStencilRef=d.stencilRef),!0===l.isBatchedMesh){const e=l._multiDrawStarts,r=l._multiDrawCounts,s=l._multiDrawCount;let i=!0===p?h.array.BYTES_PER_ELEMENT:1;d.wireframe&&(i=l.geometry.attributes.position.count>65535?4:2);for(let n=0;n<s;n++)!0===p?o.drawIndexed(r[n],1,e[n]/i,0,n):o.draw(r[n],1,e[n],n),t.update(l,r[n],1)}else if(!0===p){const{vertexCount:r,instanceCount:s,firstVertex:i}=a,n=e.getIndirect();if(null!==n){const t=this.get(n).buffer,r=e.getIndirectOffset(),s=Array.isArray(r)?r:[r];for(let e=0;e<s.length;e++)o.drawIndexedIndirect(t,s[e])}else o.drawIndexed(r,s,i,0,0);t.update(l,r,s)}else{const{vertexCount:r,instanceCount:s,firstVertex:i}=a,n=e.getIndirect();if(null!==n){const t=this.get(n).buffer,r=e.getIndirectOffset(),s=Array.isArray(r)?r:[r];for(let e=0;e<s.length;e++)o.drawIndirect(t,s[e])}else o.draw(r,s,i,0);t.update(l,r,s)}}draw(e,t){const{object:r,context:s,pipeline:i}=e,n=this.get(s),a=this.get(i),o=a.pipeline;if(!0===a.error)return;const u=e.getDrawParameters();if(null===u)return;const l=e.getBindings(),d=e.getVertexBuffers();if(e.camera.isArrayCamera&&e.camera.cameras.length>0){const i=this.get(e.camera),a=e.camera.cameras,c=e.getBindingGroup("cameraIndex");if(void 0===i.indexesGPU||i.indexesGPU.length!==a.length){const e=this.get(c),t=[],r=new Uint32Array([0,0,0,0]);for(let s=0,i=a.length;s<i;s++){r[0]=s;const{layoutGPU:i}=e.layout,n=this.bindingUtils.createBindGroupIndex(r,i);t.push(n)}i.indexesGPU=t}const h=this.renderer.getPixelRatio();for(let p=0,g=a.length;p<g;p++){const g=a[p];if(r.layers.test(g.layers)){const r=g.viewport;let a=n.currentPass,m=n.currentSets;const f=void 0!==n.bundleEncoders;if(f){a=n.bundleEncoders[p],m=n.bundleSets[p]}if(r&&!f&&a.setViewport(Math.floor(r.x*h),Math.floor(r.y*h),Math.floor(r.width*h),Math.floor(r.height*h),s.viewportValue.minDepth,s.viewportValue.maxDepth),c&&i.indexesGPU){const e=l.indexOf(c);a.setBindGroup(e,i.indexesGPU[p]),m.bindingGroups[e]=c.id}this._draw(e,t,n,o,l,d,u,a,m)}}}else if(n.currentPass){if(void 0!==n.occlusionQuerySet){const e=n.lastOcclusionObject;e!==r&&(null!==e&&!0===e.occlusionTest&&(n.currentPass.endOcclusionQuery(),n.occlusionQueryIndex++),!0===r.occlusionTest&&(n.currentPass.beginOcclusionQuery(n.occlusionQueryIndex),n.occlusionQueryObjects[n.occlusionQueryIndex]=r),n.lastOcclusionObject=r)}this._draw(e,t,n,o,l,d,u,n.currentPass,n.currentSets)}}needsRenderUpdate(e){const t=this.get(e),{object:r,material:s}=e,i=this.utils,n=i.getSampleCountRenderContext(e.context),a=i.getCurrentColorSpace(e.context),o=i.getCurrentColorFormat(e.context),u=i.getCurrentDepthStencilFormat(e.context),l=i.getPrimitiveTopology(r,s);let d=!1;return t.material===s&&t.materialVersion===s.version&&t.transparent===s.transparent&&t.blending===s.blending&&t.premultipliedAlpha===s.premultipliedAlpha&&t.blendSrc===s.blendSrc&&t.blendDst===s.blendDst&&t.blendEquation===s.blendEquation&&t.blendSrcAlpha===s.blendSrcAlpha&&t.blendDstAlpha===s.blendDstAlpha&&t.blendEquationAlpha===s.blendEquationAlpha&&t.colorWrite===s.colorWrite&&t.depthWrite===s.depthWrite&&t.depthTest===s.depthTest&&t.depthFunc===s.depthFunc&&t.stencilWrite===s.stencilWrite&&t.stencilFunc===s.stencilFunc&&t.stencilFail===s.stencilFail&&t.stencilZFail===s.stencilZFail&&t.stencilZPass===s.stencilZPass&&t.stencilFuncMask===s.stencilFuncMask&&t.stencilWriteMask===s.stencilWriteMask&&t.side===s.side&&t.alphaToCoverage===s.alphaToCoverage&&t.sampleCount===n&&t.colorSpace===a&&t.colorFormat===o&&t.depthStencilFormat===u&&t.primitiveTopology===l&&t.clippingContextCacheKey===e.clippingContextCacheKey||(t.material=s,t.materialVersion=s.version,t.transparent=s.transparent,t.blending=s.blending,t.premultipliedAlpha=s.premultipliedAlpha,t.blendSrc=s.blendSrc,t.blendDst=s.blendDst,t.blendEquation=s.blendEquation,t.blendSrcAlpha=s.blendSrcAlpha,t.blendDstAlpha=s.blendDstAlpha,t.blendEquationAlpha=s.blendEquationAlpha,t.colorWrite=s.colorWrite,t.depthWrite=s.depthWrite,t.depthTest=s.depthTest,t.depthFunc=s.depthFunc,t.stencilWrite=s.stencilWrite,t.stencilFunc=s.stencilFunc,t.stencilFail=s.stencilFail,t.stencilZFail=s.stencilZFail,t.stencilZPass=s.stencilZPass,t.stencilFuncMask=s.stencilFuncMask,t.stencilWriteMask=s.stencilWriteMask,t.side=s.side,t.alphaToCoverage=s.alphaToCoverage,t.sampleCount=n,t.colorSpace=a,t.colorFormat=o,t.depthStencilFormat=u,t.primitiveTopology=l,t.clippingContextCacheKey=e.clippingContextCacheKey,d=!0),d}getRenderCacheKey(e){const{object:t,material:r}=e,s=this.utils,i=e.context,n=t.isMesh&&t.matrixWorld.determinant()<0;return[r.transparent,r.blending,r.premultipliedAlpha,r.blendSrc,r.blendDst,r.blendEquation,r.blendSrcAlpha,r.blendDstAlpha,r.blendEquationAlpha,r.colorWrite,r.depthWrite,r.depthTest,r.depthFunc,r.stencilWrite,r.stencilFunc,r.stencilFail,r.stencilZFail,r.stencilZPass,r.stencilFuncMask,r.stencilWriteMask,r.side,n,s.getSampleCountRenderContext(i),s.getCurrentColorSpace(i),s.getCurrentColorFormat(i),s.getCurrentDepthStencilFormat(i),s.getPrimitiveTopology(t,r),e.getGeometryCacheKey(),e.clippingContextCacheKey].join()}updateSampler(e,t){return this.textureUtils.updateSampler(e,t)}createDefaultTexture(e){return this.textureUtils.createDefaultTexture(e)}createTexture(e,t){this.textureUtils.createTexture(e,t)}updateTexture(e,t){this.textureUtils.updateTexture(e,t)}generateMipmaps(e){this.textureUtils.generateMipmaps(e)}destroyTexture(e,t=!1){this.textureUtils.destroyTexture(e,t)}async copyTextureToBuffer(e,t,r,s,i,n){return this.textureUtils.copyTextureToBuffer(e,t,r,s,i,n)}initTimestampQuery(e,t,r){if(!this.trackTimestamp)return;this.timestampQueryPool[e]||(this.timestampQueryPool[e]=new mB(this.device,e,2048));const s=this.timestampQueryPool[e],i=s.allocateQueriesForContext(t);NB.querySet=s.querySet,NB.beginningOfPassWriteIndex=i,NB.endOfPassWriteIndex=i+1,r.timestampWrites=NB}createNodeBuilder(e,t){return new qM(e,t)}createProgram(e){const t=this.get(e);vB.label=e.stage+(""!==e.name?`_${e.name}`:""),vB.code=e.code,t.module={module:this.device.createShaderModule(vB),entryPoint:"main"},vB.reset()}destroyProgram(e){this.delete(e)}createRenderPipeline(e,t){this.pipelineUtils.createRenderPipeline(e,t)}createComputePipeline(e,t){this.pipelineUtils.createComputePipeline(e,t)}beginBundle(e){const t=this.get(e);t._currentPass=t.currentPass,t._currentSets=t.currentSets,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.currentPass=this.pipelineUtils.createBundleEncoder(e)}finishBundle(e,t){const r=this.get(e),s=r.currentPass.finish();this.get(t).bundleGPU=s,r.currentSets=r._currentSets,r.currentPass=r._currentPass}addBundle(e,t){this.get(e).renderBundles.push(this.get(t).bundleGPU)}createUniformBuffer(e){const t=this.get(e);if(void 0===t.buffer){const r=e.byteLength,s=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,i=[];e.visibility&CE.VERTEX&&i.push("vertex"),e.visibility&CE.FRAGMENT&&i.push("fragment"),e.visibility&CE.COMPUTE&&i.push("compute");const n=`(${i.join(",")})`;bB.label=`bindingBuffer${e.id}_${e.name}_${n}`,bB.size=r,bB.usage=s;const a=this.device.createBuffer(bB);bB.reset(),t.buffer=a}}destroyUniformBuffer(e){this.get(e).buffer.destroy(),this.delete(e)}createBindings(e,t,r,s){this.bindingUtils.createBindings(e,t,r,s)}updateBindings(e,t,r,s){this.bindingUtils.createBindings(e,t,r,s)}updateBinding(e){this.bindingUtils.updateBinding(e)}deleteBindGroupData(e){this.bindingUtils.deleteBindGroupData(e)}createIndexAttribute(e){let t=GPUBufferUsage.INDEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST;(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)&&(t|=GPUBufferUsage.STORAGE),this.attributeUtils.createAttribute(e,t)}createAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createStorageAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.STORAGE|GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createIndirectStorageAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.STORAGE|GPUBufferUsage.INDIRECT|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}updateAttribute(e){this.attributeUtils.updateAttribute(e)}destroyAttribute(e){this.attributeUtils.destroyAttribute(e)}updateSize(){this.delete(this.renderer.getCanvasTarget())}hasFeature(e){return void 0!==VC[e]&&(e=VC[e]),this.device.features.has(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){let a=0,o=0,u=0,l=0,d=0,c=0,h=e.image.width,p=e.image.height,g=1;null!==r&&(!0===r.isBox3?(l=r.min.x,d=r.min.y,c=r.min.z,h=r.max.x-r.min.x,p=r.max.y-r.min.y,g=r.max.z-r.min.z):(l=r.min.x,d=r.min.y,h=r.max.x-r.min.x,p=r.max.y-r.min.y,g=1)),null!==s&&(a=s.x,o=s.y,u=s.z||0),xB.label="copyTextureToTexture_"+e.id+"_"+t.id;const m=this.device.createCommandEncoder(xB);xB.reset();const f=this.get(e).texture,y=this.get(t).texture;SB.texture=f,SB.mipLevel=i,SB.origin.x=l,SB.origin.y=d,SB.origin.z=c,RB.texture=y,RB.mipLevel=n,RB.origin.x=a,RB.origin.y=o,RB.origin.z=u,wB.width=h,wB.height=p,wB.depthOrArrayLayers=g,m.copyTextureToTexture(SB,RB,wB),SB.reset(),RB.reset(),wB.reset(),jC(this.device,m.finish()),0===n&&t.generateMipmaps&&this.textureUtils.generateMipmaps(t)}copyFramebufferToTexture(e,t,r){const s=this.get(t);let i=null;i=t.renderTarget?e.isDepthTexture?this.get(t.depthTexture).texture:this.get(t.textures[0]).texture:e.isDepthTexture?this.textureUtils.getDepthBuffer(t.depth,t.stencil):this.context.getCurrentTexture();const n=this.get(e).texture;if(i.format!==n.format)return void o("WebGPUBackend: copyFramebufferToTexture: Source and destination formats do not match.",i.format,n.format);let a;if(s.currentPass?(s.currentPass.end(),a=s.encoder):(xB.label="copyFramebufferToTexture_"+e.id,a=this.device.createCommandEncoder(xB),xB.reset()),SB.texture=i,SB.origin.x=r.x,SB.origin.y=r.y,RB.texture=n,wB.width=r.z,wB.height=r.w,a.copyTextureToTexture(SB,RB,wB),SB.reset(),RB.reset(),wB.reset(),e.generateMipmaps&&this.textureUtils.generateMipmaps(e,a),s.currentPass){const{descriptor:e}=s;for(let t=0;t<e.colorAttachments.length;t++)e.colorAttachments[t].loadOp=VE;t.depth&&(e.depthStencilAttachment.depthLoadOp=VE),t.stencil&&(e.depthStencilAttachment.stencilLoadOp=VE),s.currentPass=a.beginRenderPass(e),s.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.viewport&&this.updateViewport(t),t.scissor&&this.updateScissor(t)}else jC(this.device,a.finish())}hasCompatibility(e){return void 0!==this._compatibility[e]?this._compatibility[e]:super.hasCompatibility(e)}dispose(){if(this.bindingUtils.dispose(),this.textureUtils.dispose(),this.occludedResolveCache){for(const e of this.occludedResolveCache.values())e.destroy();this.occludedResolveCache.clear()}if(this.timestampQueryPool)for(const e of Object.values(this.timestampQueryPool))null!==e&&e.dispose();void 0===this.parameters.device&&null!==this.device&&this.device.destroy()}}class CB extends ms{constructor(e,t,r,s,i,n){super(e,t,r,s,i,n),this.iesMap=null}copy(e,t){return super.copy(e,t),this.iesMap=e.iesMap,this}}class MB extends ms{constructor(e,t,r,s,i,n){super(e,t,r,s,i,n),this.aspect=null}copy(e,t){return super.copy(e,t),this.aspect=e.aspect,this}}class BB extends uR{constructor(){super(),this.addMaterial(vm,"MeshPhongMaterial"),this.addMaterial(my,"MeshStandardMaterial"),this.addMaterial(yy,"MeshPhysicalMaterial"),this.addMaterial(Ny,"MeshToonMaterial"),this.addMaterial(pm,"MeshBasicMaterial"),this.addMaterial(Tm,"MeshLambertMaterial"),this.addMaterial(Jg,"MeshNormalMaterial"),this.addMaterial(Ey,"MeshMatcapMaterial"),this.addMaterial(Vg,"LineBasicMaterial"),this.addMaterial(Gg,"LineDashedMaterial"),this.addMaterial(Fy,"PointsMaterial"),this.addMaterial(My,"SpriteMaterial"),this.addMaterial(Iy,"ShadowMaterial"),this.addLight(Qv,fs),this.addLight(US,ys),this.addLight(HS,bs),this.addLight(IS,ms),this.addLight(PS,xs),this.addLight(DS,Ts),this.addLight(VS,_s),this.addLight(OS,CB),this.addLight(GS,MB),this.addToneMapping(DT,vs),this.addToneMapping(IT,Ns),this.addToneMapping(OT,Ss),this.addToneMapping(kT,Rs),this.addToneMapping(WT,Es),this.addToneMapping(HT,ws)}}class LB extends LR{constructor(e={}){let t;e.forceWebGL?t=SE:(t=AB,e.getFallback=()=>(d("WebGPURenderer: WebGPU is not available, running under WebGL2 backend."),new SE(e)));super(new t(e),e),this.library=new BB,this.isWebGPURenderer=!0,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}}class FB extends As{constructor(){super(),this.isBundleGroup=!0,this.type="BundleGroup",this.static=!0,this.version=0}set needsUpdate(e){!0===e&&this.version++}}class PB{constructor(e,t=Ln(0,0,1,1)){this.renderer=e,this.outputNode=t,this.outputColorTransform=!0,this.needsUpdate=!0;const r=new Ig;r.name="RenderPipeline",this._quadMesh=new Vx(r),this._quadMesh.name="Render Pipeline",this._context=null,this._toneMapping=e.toneMapping,this._outputColorSpace=e.outputColorSpace}render(){const e=this.renderer;this._update(),null!==this._context.onBeforeRenderPipeline&&this._context.onBeforeRenderPipeline();const t=e.toneMapping,r=e.outputColorSpace;e.toneMapping=m,e.outputColorSpace=p.workingColorSpace;const s=e.xr.enabled;e.xr.enabled=!1,this._quadMesh.render(e),e.xr.enabled=s,e.toneMapping=t,e.outputColorSpace=r,null!==this._context.onAfterRenderPipeline&&this._context.onAfterRenderPipeline()}get context(){return this._context}dispose(){this._quadMesh.material.dispose()}_update(){if(this._toneMapping!==this.renderer.toneMapping&&(this._toneMapping=this.renderer.toneMapping,this.needsUpdate=!0),this._outputColorSpace!==this.renderer.outputColorSpace&&(this._outputColorSpace=this.renderer.outputColorSpace,this.needsUpdate=!0),!0===this.needsUpdate){const e=this._toneMapping,t=this._outputColorSpace,r={renderPipeline:this,onBeforeRenderPipeline:null,onAfterRenderPipeline:null};let s=this.outputNode;!0===this.outputColorTransform?(s=s.context(r),s=Vl(s,e,t)):(r.toneMapping=e,r.outputColorSpace=t,s=s.context(r)),this._context=r,this._quadMesh.material.fragmentNode=s,this._quadMesh.material.needsUpdate=!0,this.needsUpdate=!1}}async renderAsync(){v('RenderPipeline: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await this.renderer.init(),this.render()}}class UB extends PB{constructor(e,t){v('PostProcessing: "PostProcessing" has been renamed to "RenderPipeline". Please update your code to use "THREE.RenderPipeline" instead.'),super(e,t)}}class DB extends u{constructor(e){super(),this.name="",this.buffer=null,this.maxByteLength=e,this.isReadbackBuffer=!0,this._mapped=!1}release(){this.dispatchEvent({type:"release"})}dispose(){this.dispatchEvent({type:"dispose"})}}class IB extends N{constructor(e=1,t=1){super(),this.image={width:e,height:t},this.magFilter=le,this.minFilter=le,this.isStorageTexture=!0,this.mipmapsAutoUpdate=!0}setSize(e,t){this.image.width===e&&this.image.height===t||(this.image.width=e,this.image.height=t,this.dispose())}}class OB extends N{constructor(e=1,t=1,r=1){super(),this.isArrayTexture=!1,this.image={width:e,height:t,depth:r},this.magFilter=le,this.minFilter=le,this.wrapR=_e,this.isStorageTexture=!0,this.is3DTexture=!0}setSize(e,t,r){this.image.width===e&&this.image.height===t&&this.image.depth===r||(this.image.width=e,this.image.height=t,this.image.depth=r,this.dispose())}}class VB extends N{constructor(e=1,t=1,r=1){super(),this.isArrayTexture=!0,this.image={width:e,height:t,depth:r},this.magFilter=le,this.minFilter=le,this.isStorageTexture=!0}setSize(e,t,r){this.image.width===e&&this.image.height===t&&this.image.depth===r||(this.image.width=e,this.image.height=t,this.image.depth=r,this.dispose())}}class kB extends Qx{constructor(e,t){super(e,t,Uint32Array),this.isIndirectStorageBufferAttribute=!0}}class GB extends Cs{constructor(e){super(e),this.textures={},this.nodes={}}load(e,t,r,s){const i=new Ms(this.manager);i.setPath(this.path),i.setRequestHeader(this.requestHeader),i.setWithCredentials(this.withCredentials),i.load(e,r=>{try{t(this.parse(JSON.parse(r)))}catch(t){s?s(t):o(t),this.manager.itemError(e)}},r,s)}parseNodes(e){const t={};if(void 0!==e){for(const r of e){const{uuid:e,type:s}=r;t[e]=this.createNodeFromType(s),t[e].uuid=e}const r={nodes:t,textures:this.textures};for(const s of e){s.meta=r;t[s.uuid].deserialize(s),delete s.meta}}return t}parse(e){const t=this.createNodeFromType(e.type);t.uuid=e.uuid;const r={nodes:this.parseNodes(e.nodes),textures:this.textures};return e.meta=r,t.deserialize(e),delete e.meta,t}setTextures(e){return this.textures=e,this}setNodes(e){return this.nodes=e,this}createNodeFromType(e){return void 0===this.nodes[e]?(o("NodeLoader: Node type not found:",e),Tn()):new this.nodes[e]}}class $B extends Bs{constructor(e){super(e),this.nodes={},this.nodeMaterials={}}parse(e){const t=super.parse(e),r=this.nodes,s=e.inputNodes;for(const e in s){const i=s[e];t[e]=r[i]}return t}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}createMaterialFromType(e){const t=this.nodeMaterials[e];return void 0!==t?new t:super.createMaterialFromType(e)}}class zB extends Ls{constructor(e){super(e),this.nodes={},this.nodeMaterials={},this._nodesJSON=null}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}parse(e,t){this._nodesJSON=e.nodes;const r=super.parse(e,t);return this._nodesJSON=null,r}async parseAsync(e){this._nodesJSON=e.nodes;const t=await super.parseAsync(e);return this._nodesJSON=null,t}parseNodes(e,t){if(void 0!==e){const r=new GB;return r.setNodes(this.nodes),r.setTextures(t),r.parseNodes(e)}return{}}parseMaterials(e,t){const r={};if(void 0!==e){const s=this.parseNodes(this._nodesJSON,t),i=new $B;i.setTextures(t),i.setNodes(s),i.setNodeMaterials(this.nodeMaterials);for(let t=0,s=e.length;t<s;t++){const s=e[t];r[s.uuid]=i.parse(s)}}return r}}class WB extends uR{constructor(){super(),this.addLight(Qv,fs),this.addLight(US,ys),this.addLight(HS,bs),this.addLight(IS,ms),this.addLight(PS,xs),this.addLight(DS,Ts),this.addLight(VS,_s),this.addLight(OS,CB),this.addLight(GS,MB),this.addToneMapping(DT,vs),this.addToneMapping(IT,Ns),this.addToneMapping(OT,Ss),this.addToneMapping(kT,Rs),this.addToneMapping(WT,Es),this.addToneMapping(HT,ws)}}class HB extends As{constructor(){super(),this.isClippingGroup=!0,this.clippingPlanes=[],this.enabled=!0,this.clipIntersection=!1,this.clipShadows=!1}}export{Rs as ACESFilmicToneMapping,og as AONode,it as AddEquation,pe as AddOperation,Kt as AdditiveBlending,Es as AgXToneMapping,$e as AlphaFormat,jr as AlwaysCompare,ir as AlwaysDepth,ss as AlwaysStencilFunc,xs as AmbientLight,PS as AmbientLightNode,qv as AnalyticLightNode,vt as ArrayCamera,gi as ArrayElementNode,Ca as ArrayNode,Ba as AssignNode,f_ as AtomicFunctionNode,Hl as AttributeNode,F as BackSide,iE as Backend,h_ as BarrierNode,um as BasicEnvironmentNode,lm as BasicLightMapNode,WB as BasicNodeLibrary,gt as BasicShadowMap,Gb as BitcastNode,Hb as BitcountNode,Ub as BlendMode,ae as BoxGeometry,Ae as BufferAttribute,cl as BufferAttributeNode,ve as BufferGeometry,id as BufferNode,ld as BuiltinNode,Dh as BumpMapNode,FB as BundleGroup,Cl as BypassNode,Oe as ByteType,NR as CanvasTarget,Ss as CineonToneMapping,_e as ClampToEdgeWrapping,HB as ClippingGroup,Bg as ClippingNode,jT as CodeNode,e as Color,p as ColorManagement,Ju as ColorSpaceNode,E as Compatibility,n_ as ComputeBuiltinNode,Nl as ComputeNode,Bu as ConditionalNode,Si as ConstNode,Fu as ContextNode,mi as ConvertNode,de as CubeCamera,mt as CubeDepthTexture,im as CubeMapNode,D as CubeReflectionMapping,I as CubeRefractionMapping,rm as CubeRenderTarget,U as CubeTexture,Xc as CubeTextureNode,we as CubeUVReflectionMapping,qt as CullFaceBack,Xt as CullFaceFront,jt as CullFaceNone,Rt as CustomBlending,wt as CylinderGeometry,X as DataArrayTexture,xe as DataTexture,kl as DebugNode,os as DecrementStencilOp,ns as DecrementWrapStencilOp,He as DepthFormat,je as DepthStencilFormat,Z as DepthTexture,ys as DirectionalLight,US as DirectionalLightNode,P as DoubleSide,Gt as DstAlphaFactor,$t as DstColorFactor,x as DynamicDrawUsage,cy as EnvironmentNode,Hr as EqualCompare,tr as EqualDepth,es as EqualStencilFunc,ce as EquirectangularReflectionMapping,he as EquirectangularRefractionMapping,u as EventDispatcher,Rp as EventNode,Fl as ExpressionNode,Ms as FileLoader,_i as FlipNode,xt as Float16BufferAttribute,lt as Float32BufferAttribute,Y as FloatType,Q as FramebufferTexture,vc as FrontFacingNode,St as FrontSide,Lt as Frustum,Bt as FrustumArray,Fa as FunctionCallNode,XT as FunctionNode,ux as FunctionOverloadingNode,tE as GLSLNodeBuilder,ZS as GLSLNodeParser,C as GreaterCompare,Jt as GreaterDepth,M as GreaterEqualCompare,er as GreaterEqualDepth,Jr as GreaterEqualStencilFunc,Zr as GreaterStencilFunc,As as Group,Te as HalfFloatType,Ts as HemisphereLight,DS as HemisphereLightNode,CB as IESSpotLight,OS as IESSpotLightNode,us as IncrementStencilOp,as as IncrementWrapStencilOp,fl as IndexNode,kB as IndirectStorageBufferAttribute,vi as InputNode,$l as InspectorBase,zl as InspectorNode,j as InstancedBufferAttribute,q as InstancedInterleavedBuffer,R as IntType,b as InterleavedBuffer,y as InterleavedBufferAttribute,ls as InvertStencilOp,dg as IrradianceNode,El as IsolateNode,yi as JoinNode,hs as KeepStencilOp,w as LessCompare,sr as LessDepth,A as LessEqualCompare,rr as LessEqualDepth,ts as LessEqualStencilFunc,rs as LessStencilFunc,_s as LightProbe,VS as LightProbeNode,cR as Lighting,ug as LightingContextNode,dm as LightingModel,ag as LightingNode,nv as LightsNode,Kg as Line2NodeMaterial,ee as LineBasicMaterial,Vg as LineBasicNodeMaterial,te as LineDashedMaterial,Gg as LineDashedNodeMaterial,le as LinearFilter,ot as LinearMipMapLinearFilter,K as LinearMipmapLinearFilter,yt as LinearMipmapNearestFilter,Re as LinearSRGBColorSpace,vs as LinearToneMapping,Xr as LinearTransfer,Cs as Loader,Kp as LoopNode,Vb as MRTNode,J as Material,nt as MaterialBlending,Bs as MaterialLoader,Vh as MaterialNode,th as MaterialReferenceNode,uo as MathNode,l as MathUtils,i as Matrix2,n as Matrix3,a as Matrix4,ps as MaxEquation,Ql as MaxMipLevelNode,Ri as MemberNode,oe as Mesh,fe as MeshBasicMaterial,pm as MeshBasicNodeMaterial,ye as MeshLambertMaterial,Tm as MeshLambertNodeMaterial,Le as MeshMatcapMaterial,Ey as MeshMatcapNodeMaterial,se as MeshNormalMaterial,Jg as MeshNormalNodeMaterial,be as MeshPhongMaterial,vm as MeshPhongNodeMaterial,Me as MeshPhysicalMaterial,yy as MeshPhysicalNodeMaterial,xy as MeshSSSNodeMaterial,Ce as MeshStandardMaterial,my as MeshStandardNodeMaterial,Be as MeshToonMaterial,Ny as MeshToonNodeMaterial,gs as MinEquation,Gr as MirroredRepeatWrapping,ge as MixOperation,tc as ModelNode,Yt as MultiplyBlending,me as MultiplyOperation,B as NearestFilter,bt as NearestMipmapLinearFilter,zr as NearestMipmapNearestFilter,ws as NeutralToneMapping,qr as NeverCompare,nr as NeverDepth,is as NeverStencilFunc,re as NoBlending,T as NoColorSpace,V as NoNormalPacking,m as NoToneMapping,pi as Node,ai as NodeAccess,JN as NodeAttribute,BS as NodeBuilder,nS as NodeCache,sS as NodeCode,Zl as NodeError,LS as NodeFrame,FS as NodeFunctionInput,GB as NodeLoader,Ig as NodeMaterial,$B as NodeMaterialLoader,Is as NodeMaterialObserver,zB as NodeObjectLoader,si as NodeShaderStage,ni as NodeType,eS as NodeUniform,ii as NodeUpdateType,ri as NodeUtils,tS as NodeVar,rS as NodeVarying,tt as NormalBlending,G as NormalGAPacking,Lh as NormalMapNode,k as NormalRGPacking,Wr as NotEqualCompare,Zt as NotEqualDepth,Kr as NotEqualStencilFunc,at as Object3D,Xd as Object3DNode,Ls as ObjectLoader,$ as ObjectSpaceNormalMap,Ht as OneFactor,Ot as OneMinusDstAlphaFactor,Vt as OneMinusDstColorFactor,st as OneMinusSrcAlphaFactor,kt as OneMinusSrcColorFactor,Da as OperatorNode,Ne as OrthographicCamera,Fb as OutputStructNode,ct as PCFShadowMap,ht as PCFSoftShadowMap,ty as PMREMGenerator,uy as PMREMNode,Kb as PackFloatNode,Ab as ParameterNode,PT as PassNode,Se as PerspectiveCamera,bm as PhongLightingModel,yf as PhysicalLightingModel,ut as Plane,Nt as PlaneGeometry,fs as PointLight,Qv as PointLightNode,Hv as PointShadowNode,Kx as PointUVNode,Pe as PointsMaterial,Fy as PointsNodeMaterial,UB as PostProcessing,MB as ProjectorLight,GS as ProjectorLightNode,Gn as PropertyNode,Vx as QuadMesh,At as Quaternion,br as R11_EAC_Format,W as RED_GREEN_RGTC2_Format,Or as RED_RGTC1_Format,_t as REVISION,H as RG11_EAC_Format,Ee as RGBAFormat,Ft as RGBAIntegerFormat,Lr as RGBA_ASTC_10x10_Format,Cr as RGBA_ASTC_10x5_Format,Mr as RGBA_ASTC_10x6_Format,Br as RGBA_ASTC_10x8_Format,Fr as RGBA_ASTC_12x10_Format,Pr as RGBA_ASTC_12x12_Format,_r as RGBA_ASTC_4x4_Format,vr as RGBA_ASTC_5x4_Format,Nr as RGBA_ASTC_5x5_Format,Sr as RGBA_ASTC_6x5_Format,Rr as RGBA_ASTC_6x6_Format,Er as RGBA_ASTC_8x5_Format,wr as RGBA_ASTC_8x6_Format,Ar as RGBA_ASTC_8x8_Format,Ur as RGBA_BPTC_Format,yr as RGBA_ETC2_EAC_Format,gr as RGBA_PVRTC_2BPPV1_Format,pr as RGBA_PVRTC_4BPPV1_Format,ur as RGBA_S3TC_DXT1_Format,lr as RGBA_S3TC_DXT3_Format,dr as RGBA_S3TC_DXT5_Format,Xe as RGBFormat,Ye as RGBIntegerFormat,Dr as RGB_BPTC_SIGNED_Format,Ir as RGB_BPTC_UNSIGNED_Format,mr as RGB_ETC1_Format,fr as RGB_ETC2_Format,hr as RGB_PVRTC_2BPPV1_Format,cr as RGB_PVRTC_4BPPV1_Format,or as RGB_S3TC_DXT1_Format,z as RGFormat,qe as RGIntegerFormat,Gx as RTTNode,s_ as RangeNode,DB as ReadbackBuffer,bs as RectAreaLight,HS as RectAreaLightNode,ze as RedFormat,We as RedIntegerFormat,sl as ReferenceBaseNode,Zc as ReferenceNode,Px as ReflectorNode,Ns as ReinhardToneMapping,Ol as RenderOutputNode,PB as RenderPipeline,ne as RenderTarget,LR as Renderer,il as RendererReferenceNode,fv as RendererUtils,$r as RepeatWrapping,ds as ReplaceStencilOp,Dt as ReverseSubtractEquation,wy as RotateNode,xr as SIGNED_R11_EAC_Format,kr as SIGNED_RED_GREEN_RGTC2_Format,Vr as SIGNED_RED_RGTC1_Format,Tr as SIGNED_RG11_EAC_Format,ie as SRGBColorSpace,g as SRGBTransfer,Xx as SampleNode,ue as Scene,pd as ScreenNode,Ti as SetNode,av as ShadowBaseNode,Ue as ShadowMaterial,Lv as ShadowNode,Iy as ShadowNodeMaterial,ke as ShortType,L as Sphere,ft as SphereGeometry,xi as SplitNode,ms as SpotLight,IS as SpotLightNode,Fe as SpriteMaterial,My as SpriteNodeMaterial,rt as SrcAlphaFactor,zt as SrcAlphaSaturateFactor,Wt as SrcColorFactor,Cb as StackNode,Vs as StackTrace,BB as StandardNodeLibrary,f as StaticDrawUsage,OB as Storage3DTexture,Cp as StorageArrayElementNode,VB as StorageArrayTexture,Qx as StorageBufferAttribute,Bp as StorageBufferNode,Yx as StorageInstancedBufferAttribute,IB as StorageTexture,nT as StorageTexture3DNode,sT as StorageTextureNode,Lb as StructNode,Bb as StructTypeNode,Hu as SubBuildNode,x_ as SubgroupFunctionNode,It as SubtractEquation,Qt as SubtractiveBlending,qN as TSL,O as TangentSpaceNormalMap,fi as TempNode,N as Texture,uT as Texture3DNode,ed as TextureNode,Xl as TextureSizeNode,Pt as TimestampQuery,al as ToneMappingNode,UT as ToonOutlinePassNode,dt as UVMapping,Ie as Uint16BufferAttribute,De as Uint32BufferAttribute,od as UniformArrayNode,_a as UniformGroupNode,wa as UniformNode,tx as UnpackFloatNode,Ve as UnsignedByteType,et as UnsignedInt101111Type,Ze as UnsignedInt248Type,Je as UnsignedInt5999Type,S as UnsignedIntType,Qe as UnsignedShort4444Type,Ke as UnsignedShort5551Type,Ge as UnsignedShortType,dT as UserDataNode,pt as VSMShadowMap,ku as VarNode,qu as VaryingNode,t as Vector2,r as Vector3,s as Vector4,hT as VelocityNode,Ug as VertexColorNode,Tg as ViewportDepthNode,bg as ViewportDepthTextureNode,CT as ViewportSharedTextureNode,hg as ViewportTextureNode,$y as VolumeNodeMaterial,qM as WGSLNodeBuilder,SE as WebGLBackend,xE as WebGLCapabilities,c as WebGLCoordinateSystem,AB as WebGPUBackend,h as WebGPUCoordinateSystem,LB as WebGPURenderer,Ct as WebXRController,m_ as WorkgroupInfoNode,Et as ZeroFactor,cs as ZeroStencilOp,Ut as createCanvasElement,ui as defaultBuildStages,oi as defaultShaderStages,o as error,_ as log,li as shaderStages,di as vectorComponents,d as warn,v as warnOnce};
diff --git a/build/three.webgpu.nodes.js b/build/three.webgpu.nodes.js
index 80095b3ee0a755..a66c75c14d99a9 100644
--- a/build/three.webgpu.nodes.js
+++ b/build/three.webgpu.nodes.js
@@ -7162,25 +7162,23 @@ class MathNode extends TempNode {
 
 		} else if ( method === MathNode.TRANSFORM_DIRECTION ) {
 
-			// dir can be either a direction vector or a normal vector
-			// upper-left 3x3 of matrix is assumed to be orthogonal
+			// pre-multiplies the direction by the matrix and normalizes the result
 
-			let tA = aNode;
-			let tB = bNode;
+			let matrixNode, directionNode;
 
-			if ( builder.isMatrix( tA.getNodeType( builder ) ) ) {
+			if ( builder.isMatrix( aNode.getNodeType( builder ) ) ) {
 
-				tB = vec4( vec3( tB ), 0.0 );
+				matrixNode = aNode;
+				directionNode = bNode;
 
 			} else {
 
-				tA = vec4( vec3( tA ), 0.0 );
+				matrixNode = bNode;
+				directionNode = aNode;
 
 			}
 
-			const mulNode = mul( tA, tB ).xyz;
-
-			outputNode = normalize( mulNode );
+			outputNode = normalize( mul( matrixNode, vec4( vec3( directionNode ), 0.0 ) ).xyz );
 
 		}
 
@@ -7967,6 +7965,34 @@ const pow4 = ( x ) => mul( x, x, x, x );
  */
 const transformDirection = /*@__PURE__*/ nodeProxyIntent( MathNode, MathNode.TRANSFORM_DIRECTION ).setParameterLength( 2 );
 
+/**
+ * Transforms a normal vector by the view matrix and then normalizes the result.
+ *
+ * The upper-left 3x3 of the view matrix is assumed to be orthonormal, so the
+ * normal can be transformed directly without involving the normal matrix.
+ *
+ * @tsl
+ * @function
+ * @param {Node<vec3>} normal - The normal vector, given in world space.
+ * @param {Node<mat3|mat4>} viewMatrix - The view matrix.
+ * @returns {Node<vec3>} The normal vector in view space.
+ */
+const transformNormalByViewMatrix = ( normal, viewMatrix ) => normalize( mul( viewMatrix, vec4( vec3( normal ), 0.0 ) ).xyz );
+
+/**
+ * Transforms a normal vector by the inverse of the view matrix and then normalizes the result.
+ *
+ * The upper-left 3x3 of the view matrix is assumed to be orthonormal, so post-multiplying
+ * by the view matrix is equivalent to pre-multiplying by its inverse.
+ *
+ * @tsl
+ * @function
+ * @param {Node<vec3>} normal - The normal vector, given in view space.
+ * @param {Node<mat3|mat4>} viewMatrix - The view matrix.
+ * @returns {Node<vec3>} The normal vector in world space.
+ */
+const transformNormalByInverseViewMatrix = ( normal, viewMatrix ) => normalize( vec4( vec3( normal ), 0.0 ).mul( viewMatrix ).xyz );
+
 /**
  * Returns the cube root of a number.
  *
@@ -8167,6 +8193,8 @@ addMethodChaining( 'pow2', pow2 );
 addMethodChaining( 'pow3', pow3 );
 addMethodChaining( 'pow4', pow4 );
 addMethodChaining( 'transformDirection', transformDirection );
+addMethodChaining( 'transformNormalByViewMatrix', transformNormalByViewMatrix );
+addMethodChaining( 'transformNormalByInverseViewMatrix', transformNormalByInverseViewMatrix );
 addMethodChaining( 'mix', mixElement );
 addMethodChaining( 'clamp', clamp );
 addMethodChaining( 'refract', refract );
@@ -15103,33 +15131,60 @@ const frontFacing = /*@__PURE__*/ nodeImmutable( FrontFacingNode );
 const faceDirection = /*@__PURE__*/ float( frontFacing ).mul( 2.0 ).sub( 1.0 );
 
 /**
- * Converts a direction vector to a face direction vector based on the material's side.
+ * Negates a vector if the rendering occurs on the back side of a face,
+ * based on the material's side configuration.
  *
- * If the material is set to `BackSide`, the direction is inverted.
- * If the material is set to `DoubleSide`, the direction is multiplied by `faceDirection`.
+ * - If the material's side is `BackSide`, the vector is inverted (negated).
+ * - If the material's side is `DoubleSide`, the vector is multiplied by `faceDirection`
+ *   (negated only for back-facing fragments).
+ * - If the material's side is `FrontSide` (default), the vector remains unchanged.
  *
  * @tsl
- * @param {Node<vec3>} direction - The direction vector to convert.
- * @returns {Node<vec3>} The converted direction vector.
+ * @function
+ * @param {Node<vec3>} vector - The vector to process.
+ * @returns {Node<vec3>} The processed vector.
  */
-const directionToFaceDirection = /*@__PURE__*/ Fn( ( [ direction ], { material } ) => {
+const negateOnBackSide = /*@__PURE__*/ Fn( ( [ vector ], { material } ) => {
 
 	const side = material.side;
 
 	if ( side === BackSide ) {
 
-		direction = direction.mul( -1 );
+		vector = vector.mul( -1 );
 
 	} else if ( side === DoubleSide ) {
 
-		direction = direction.mul( faceDirection );
+		vector = vector.mul( faceDirection );
 
 	}
 
-	return direction;
+	return vector;
 
 } );
 
+/**
+ * Negates a vector if the rendering occurs on the back side of a face,
+ * based on the material's side configuration.
+ *
+ * - If the material's side is `BackSide`, the vector is inverted (negated).
+ * - If the material's side is `DoubleSide`, the vector is multiplied by `faceDirection`
+ *   (negated only for back-facing fragments).
+ * - If the material's side is `FrontSide` (default), the vector remains unchanged.
+ *
+ * @tsl
+ * @function
+ * @deprecated since r185. Use {@link negateOnBackSide} instead.
+ * @param {Node<vec3>} vector - The vector to convert.
+ * @returns {Node<vec3>} The converted vector.
+ */
+const directionToFaceDirection = ( vector ) => {
+
+	warnOnce( 'TSL: "directionToFaceDirection()" has been renamed to "negateOnBackSide()".' ); // @deprecated r185
+
+	return negateOnBackSide( vector );
+
+};
+
 /**
  * TSL object that represents the normal attribute of the current rendered object in local space.
  *
@@ -15198,7 +15253,7 @@ const normalViewGeometry = /*@__PURE__*/ ( Fn( ( builder ) => {
  */
 const normalWorldGeometry = /*@__PURE__*/ ( Fn( ( builder ) => {
 
-	let normal = normalViewGeometry.transformDirection( cameraViewMatrix );
+	let normal = normalViewGeometry.transformNormalByInverseViewMatrix( cameraViewMatrix );
 
 	if ( builder.isFlatShading() !== true ) {
 
@@ -15226,7 +15281,7 @@ const normalView = /*@__PURE__*/ ( Fn( ( builder ) => {
 
 		if ( builder.isFlatShading() !== true ) {
 
-			node = directionToFaceDirection( node );
+			node = negateOnBackSide( node );
 
 		}
 
@@ -15248,7 +15303,7 @@ const normalView = /*@__PURE__*/ ( Fn( ( builder ) => {
  * @tsl
  * @type {Node<vec3>}
  */
-const normalWorld = /*@__PURE__*/ normalView.transformDirection( cameraViewMatrix ).toVar( 'normalWorld' );
+const normalWorld = /*@__PURE__*/ normalView.transformNormalByInverseViewMatrix( cameraViewMatrix ).toVar( 'normalWorld' );
 
 /**
  * TSL object that represents the clearcoat vertex normal of the current rendered object in view space.
@@ -15277,24 +15332,24 @@ const clearcoatNormalView = /*@__PURE__*/ ( Fn( ( { subBuildFn, context } ) => {
 }, 'vec3' ).once( [ 'NORMAL', 'VERTEX' ] ) )().toVar( 'clearcoatNormalView' );
 
 /**
- * Transforms the normal with the given matrix.
+ * Transforms the normal by the normal matrix of the given matrix and then normalizes the result.
  *
  * @tsl
  * @function
  * @param {Node<vec3>} normal - The normal.
- * @param {Node<mat3>} [matrix=modelWorldMatrix] - The matrix.
+ * @param {Node<mat3|mat4>} [matrix=modelWorldMatrix] - The matrix.
  * @return {Node<vec3>} The transformed normal.
  */
 const transformNormal = /*@__PURE__*/ Fn( ( [ normal, matrix = modelWorldMatrix ] ) => {
 
-	const m = mat3( matrix );
+	const normalMatrix = mat3( matrix ).inverse().transpose();
 
-	const transformedNormal = normal.div( vec3( m[ 0 ].dot( m[ 0 ] ), m[ 1 ].dot( m[ 1 ] ), m[ 2 ].dot( m[ 2 ] ) ) );
-
-	return m.mul( transformedNormal ).xyz;
+	return normalMatrix.mul( normal ).normalize();
 
 } );
 
+addMethodChaining( 'transformNormal', transformNormal );
+
 /**
  * Transforms the given normal from local to view space.
  *
@@ -15310,7 +15365,7 @@ const transformNormalToView = /*@__PURE__*/ Fn( ( [ normal ], builder ) => {
 
 	if ( modelNormalViewMatrix ) {
 
-		return modelNormalViewMatrix.transformDirection( normal );
+		return normal.transformNormalByViewMatrix( modelNormalViewMatrix );
 
 	}
 
@@ -15318,7 +15373,7 @@ const transformNormalToView = /*@__PURE__*/ Fn( ( [ normal ], builder ) => {
 
 	const transformedNormal = modelNormalMatrix.mul( normal );
 
-	return cameraViewMatrix.transformDirection( transformedNormal );
+	return transformedNormal.transformNormalByViewMatrix( cameraViewMatrix );
 
 } );
 
@@ -15442,7 +15497,7 @@ const refractView = /*@__PURE__*/ positionViewDirection.negate().refract( normal
  * @tsl
  * @type {Node<vec3>}
  */
-const reflectVector = /*@__PURE__*/ reflectView.transformDirection( cameraViewMatrix ).toVar( 'reflectVector' );
+const reflectVector = /*@__PURE__*/ reflectView.transformDirection( cameraWorldMatrix ).toVar( 'reflectVector' );
 
 /**
  * Used for sampling cube maps when using cube refraction mapping.
@@ -15450,7 +15505,7 @@ const reflectVector = /*@__PURE__*/ reflectView.transformDirection( cameraViewMa
  * @tsl
  * @type {Node<vec3>}
  */
-const refractVector = /*@__PURE__*/ refractView.transformDirection( cameraViewMatrix ).toVar( 'reflectVector' );
+const refractVector = /*@__PURE__*/ refractView.transformDirection( cameraWorldMatrix ).toVar( 'refractVector' );
 
 const EmptyTexture = /*@__PURE__*/ new CubeTexture();
 
@@ -16230,7 +16285,7 @@ const tangentView = /*@__PURE__*/ ( Fn( ( builder ) => {
 
 	if ( builder.isFlatShading() !== true ) {
 
-		node = directionToFaceDirection( node );
+		node = negateOnBackSide( node );
 
 	}
 
@@ -16244,7 +16299,7 @@ const tangentView = /*@__PURE__*/ ( Fn( ( builder ) => {
  * @tsl
  * @type {Node<vec3>}
  */
-const tangentWorld = /*@__PURE__*/ tangentView.transformDirection( cameraViewMatrix ).toVarying( 'v_tangentWorld' ).normalize().toVar( 'tangentWorld' );
+const tangentWorld = /*@__PURE__*/ tangentView.transformDirection( cameraWorldMatrix ).toVarying( 'v_tangentWorld' ).normalize().toVar( 'tangentWorld' );
 
 /**
  * Returns the bitangent node and assigns it to a varying if the material is not flat shaded.
@@ -16307,7 +16362,7 @@ const bitangentView = /*@__PURE__*/ ( Fn( ( builder ) => {
 
 	if ( builder.isFlatShading() !== true ) {
 
-		node = directionToFaceDirection( node );
+		node = negateOnBackSide( node );
 
 	}
 
@@ -16528,7 +16583,7 @@ class NormalMapNode extends TempNode {
 
 			if ( builder.isFlatShading() === true ) {
 
-				scale = directionToFaceDirection( scale );
+				scale = negateOnBackSide( scale );
 
 			}
 
@@ -22822,18 +22877,42 @@ class MeshNormalNodeMaterial extends NodeMaterial {
  *
  * @tsl
  * @function
- * @param {?Node<vec3>} [dirNode=positionWorldDirection] - A direction vector for sampling which is by default `positionWorldDirection`.
+ * @param {?Node<vec3>} [direction=positionWorldDirection] - A direction vector for sampling which is by default `positionWorldDirection`.
  * @returns {Node<vec2>}
  */
-const equirectUV = /*@__PURE__*/ Fn( ( [ dir = positionWorldDirection ] ) => {
+const equirectUV = /*@__PURE__*/ Fn( ( [ direction = positionWorldDirection ] ) => {
 
-	const u = dir.z.atan( dir.x ).mul( 1 / ( Math.PI * 2 ) ).add( 0.5 );
-	const v = dir.y.clamp( -1, 1.0 ).asin().mul( 1 / Math.PI ).add( 0.5 );
+	const u = direction.z.atan( direction.x ).mul( 1 / ( Math.PI * 2 ) ).add( 0.5 );
+	const v = direction.y.clamp( -1, 1.0 ).asin().mul( 1 / Math.PI ).add( 0.5 );
 
 	return vec2( u, v );
 
 } );
 
+/**
+ * TSL function for creating an equirect direction node.
+ *
+ * Can be used to compute a direction vector from the given equirectangular
+ * UV coordinates.
+ *
+ * @tsl
+ * @function
+ * @param {?Node<vec2>} [uv=UV()] - The equirectangular UV coordinates.
+ * @returns {Node<vec3>} The computed direction vector.
+ */
+const equirectDirection = /*@__PURE__*/ Fn( ( [ uv = uv$1() ] ) => {
+
+	const theta = uv.x.sub( 0.5 ).mul( Math.PI * 2 );
+	const phi = uv.y.sub( 0.5 ).mul( Math.PI );
+	const cosPhi = phi.cos();
+	const x = cosPhi.mul( theta.cos() );
+	const y = phi.sin();
+	const z = cosPhi.mul( theta.sin() );
+
+	return vec3( x, y, z );
+
+} );
+
 /**
  * This class represents a cube render target. It is a special version
  * of `WebGLCubeRenderTarget` which is compatible with `WebGPURenderer`.
@@ -23509,7 +23588,7 @@ class MeshBasicNodeMaterial extends NodeMaterial {
 	 */
 	setupNormal() {
 
-		return directionToFaceDirection( normalViewGeometry ); // see #28839
+		return negateOnBackSide( normalViewGeometry ); // see #28839
 
 	}
 
@@ -27233,7 +27312,7 @@ const createRadianceContext = ( roughnessNode, normalViewNode ) => {
 				// Mixing the reflection with the normal is more accurate and keeps rough objects from gathering light from behind their tangent plane.
 				reflectVec = pow4( roughnessNode ).mix( reflectVec, normalViewNode ).normalize();
 
-				reflectVec = reflectVec.transformDirection( cameraViewMatrix );
+				reflectVec = reflectVec.transformDirection( cameraWorldMatrix );
 
 			}
 
@@ -44850,7 +44929,7 @@ class ShadowNode extends ShadowBaseNode {
 
 				if ( this.shadowMap.texture.isCubeTexture ) {
 
-					return cubeTexture( this.shadowMap.texture );
+					return cubeTexture( this.shadowMap.texture, equirectDirection() );
 
 				}
 
@@ -44862,15 +44941,36 @@ class ShadowNode extends ShadowBaseNode {
 
 		return shadowOutput.toInspector( `${ inspectName } / Depth`, () => {
 
-			// TODO: Use linear depth
+			const shadowCameraNear = reference( 'near', 'float', this.shadow.camera );
+			const shadowCameraFar = reference( 'far', 'float', this.shadow.camera );
+
+			let depthNode;
 
 			if ( this.shadowMap.texture.isCubeTexture ) {
 
-				return cubeTexture( this.shadowMap.texture ).r.oneMinus();
+				depthNode = cubeTexture( this.shadowMap.depthTexture, equirectDirection() ).r;
+
+			} else {
+
+				depthNode = texture( this.shadowMap.depthTexture ).r;
 
 			}
 
-			return textureLoad( this.shadowMap.depthTexture, uv$1().mul( textureSize( texture( this.shadowMap.depthTexture ) ) ) ).r.oneMinus();
+			let linearDepth;
+
+			if ( this.shadow.camera.isPerspectiveCamera ) {
+
+				linearDepth = perspectiveDepthToViewZ( depthNode, shadowCameraNear, shadowCameraFar );
+
+			} else {
+
+				linearDepth = orthographicDepthToViewZ( depthNode, shadowCameraNear, shadowCameraFar );
+
+			}
+
+			linearDepth = viewZToOrthographicDepth( linearDepth, shadowCameraNear, shadowCameraFar );
+
+			return linearDepth.oneMinus();
 
 		} );
 
@@ -47980,6 +48080,7 @@ var TSL = /*#__PURE__*/Object.freeze({
 	element: element,
 	emissive: emissive,
 	equal: equal,
+	equirectDirection: equirectDirection,
 	equirectUV: equirectUV,
 	exp: exp,
 	exp2: exp2,
@@ -48184,6 +48285,7 @@ var TSL = /*#__PURE__*/Object.freeze({
 	mx_worley_noise_vec2: mx_worley_noise_vec2,
 	mx_worley_noise_vec3: mx_worley_noise_vec3,
 	negate: negate,
+	negateOnBackSide: negateOnBackSide,
 	neutralToneMapping: neutralToneMapping,
 	nodeArray: nodeArray,
 	nodeImmutable: nodeImmutable,
@@ -48378,6 +48480,8 @@ var TSL = /*#__PURE__*/Object.freeze({
 	toonOutlinePass: toonOutlinePass,
 	transformDirection: transformDirection,
 	transformNormal: transformNormal,
+	transformNormalByInverseViewMatrix: transformNormalByInverseViewMatrix,
+	transformNormalByViewMatrix: transformNormalByViewMatrix,
 	transformNormalToView: transformNormalToView,
 	transformedClearcoatNormalView: transformedClearcoatNormalView,
 	transformedNormalView: transformedNormalView,
@@ -56334,6 +56438,14 @@ class Lighting {
 		 */
 		this.enabled = true;
 
+		/**
+		 * A stack of light arrays saved per render via {@link Lighting#beginRender}.
+		 *
+		 * @private
+		 * @type {Array<Array<Light>>}
+		 */
+		this._cache = [];
+
 	}
 
 	/**
@@ -56349,10 +56461,9 @@ class Lighting {
 	}
 
 	/**
-	 * Returns a lights node for the given scene and camera.
+	 * Returns a lights node for the given scene.
 	 *
 	 * @param {Scene} scene - The scene.
-	 * @param {Camera} camera - The camera.
 	 * @return {LightsNode} The lights node.
 	 */
 	getNode( scene ) {
@@ -56373,6 +56484,33 @@ class Lighting {
 
 	}
 
+	/**
+	 * Saves the current lights of the scene's lights node so they can be restored
+	 * in {@link Lighting#finishRender}. Must be paired with a `finishRender()` call
+	 * to avoid memory leaks.
+	 *
+	 * Nested render calls might mutate the lights array so a save/restore is required
+	 * for each render call.
+	 *
+	 * @param {Scene} scene - The scene.
+	 */
+	beginRender( scene ) {
+
+		this._cache.push( this.getNode( scene ).getLights() );
+
+	}
+
+	/**
+	 * Restores the lights saved by the matching {@link Lighting#beginRender} call.
+	 *
+	 * @param {Scene} scene - The scene.
+	 */
+	finishRender( scene ) {
+
+		this.getNode( scene ).setLights( this._cache.pop() );
+
+	}
+
 }
 
 /**
@@ -60263,6 +60401,8 @@ class Renderer {
 		const previousRenderObjectFunction = this._currentRenderObjectFunction;
 		const previousHandleObjectFunction = this._handleObjectFunction;
 
+		this.lighting.beginRender( scene );
+
 		//
 
 		this._callDepth ++;
@@ -60489,6 +60629,8 @@ class Renderer {
 		this._currentRenderObjectFunction = previousRenderObjectFunction;
 		this._handleObjectFunction = previousHandleObjectFunction;
 
+		this.lighting.finishRender( scene );
+
 		//
 
 		this._callDepth --;
@@ -66124,17 +66266,29 @@ class Backend {
 
 	}
 
+	/**
+	 * Whether the backend supports query timestamps or not.
+	 *
+	 * @type {boolean}
+	 * @readonly
+	 */
+	get hasTimestamp() {
+
+		return false;
+
+	}
+
 	/**
 	 * Returns `true` if a timestamp for the given uid is available.
 	 *
 	 * @param {string} uid - The unique identifier.
 	 * @return {boolean} Whether the timestamp is available or not.
 	 */
-	hasTimestamp( uid ) {
+	hasTimestampQuery( uid ) {
 
 		const queryPool = this._getQueryPool( uid );
 
-		return queryPool.hasTimestamp( uid );
+		return queryPool.hasTimestampQuery( uid );
 
 	}
 
@@ -69267,6 +69421,9 @@ class WebGLTextureUtils {
 			const srcFramebuffer = srcRenderContextData.framebuffers[ srcTextureData.cacheKey ];
 			const dstFramebuffer = dstRenderContextData.framebuffers[ dstTextureData.cacheKey ];
 
+			const prevReadFramebuffer = state.currentBoundFramebuffers[ gl.READ_FRAMEBUFFER ] ?? null;
+			const prevDrawFramebuffer = state.currentBoundFramebuffers[ gl.DRAW_FRAMEBUFFER ] ?? null;
+
 			state.bindFramebuffer( gl.READ_FRAMEBUFFER, srcFramebuffer );
 			state.bindFramebuffer( gl.DRAW_FRAMEBUFFER, dstFramebuffer );
 
@@ -69284,8 +69441,8 @@ class WebGLTextureUtils {
 
 			}
 
-			state.bindFramebuffer( gl.READ_FRAMEBUFFER, null );
-			state.bindFramebuffer( gl.DRAW_FRAMEBUFFER, null );
+			state.bindFramebuffer( gl.READ_FRAMEBUFFER, prevReadFramebuffer );
+			state.bindFramebuffer( gl.DRAW_FRAMEBUFFER, prevDrawFramebuffer );
 
 		} else if ( srcLevel !== 0 || srcTexture.isRenderTargetTexture || backend.has( srcTexture ) ) {
 
@@ -69295,6 +69452,9 @@ class WebGLTextureUtils {
 			if ( this._srcFramebuffer === null ) this._srcFramebuffer = gl.createFramebuffer();
 			if ( this._dstFramebuffer === null ) this._dstFramebuffer = gl.createFramebuffer();
 
+			const prevReadFramebuffer = state.currentBoundFramebuffers[ gl.READ_FRAMEBUFFER ] ?? null;
+			const prevDrawFramebuffer = state.currentBoundFramebuffers[ gl.DRAW_FRAMEBUFFER ] ?? null;
+
 			// bind the frame buffer targets
 			state.bindFramebuffer( gl.READ_FRAMEBUFFER, this._srcFramebuffer );
 			state.bindFramebuffer( gl.DRAW_FRAMEBUFFER, this._dstFramebuffer );
@@ -69339,9 +69499,9 @@ class WebGLTextureUtils {
 
 			}
 
-			// unbind read, draw buffers
-			state.bindFramebuffer( gl.READ_FRAMEBUFFER, null );
-			state.bindFramebuffer( gl.DRAW_FRAMEBUFFER, null );
+			// restore previous read, draw framebuffer bindings
+			state.bindFramebuffer( gl.READ_FRAMEBUFFER, prevReadFramebuffer );
+			state.bindFramebuffer( gl.DRAW_FRAMEBUFFER, prevDrawFramebuffer );
 
 		} else {
 
@@ -70118,7 +70278,7 @@ class TimestampQueryPool {
 	 * @param {string} uid - A unique identifier for the render context.
 	 * @return {boolean} True if a timestamp is available, false otherwise.
 	 */
-	hasTimestamp( uid ) {
+	hasTimestampQuery( uid ) {
 
 		return this.timestamps.has( uid );
 
@@ -70836,6 +70996,18 @@ class WebGLBackend extends Backend {
 
 	}
 
+	/**
+	 * Whether the backend supports query timestamps or not.
+	 *
+	 * @type {boolean}
+	 * @readonly
+	 */
+	get hasTimestamp() {
+
+		return this.disjoint !== null;
+
+	}
+
 	/**
 	 * This method performs a readback operation by moving buffer data from
 	 * a storage buffer attribute from the GPU to the CPU. ReadbackBuffer can
@@ -77710,6 +77882,83 @@ const wgslPolyfill = {
 	repeatWrapping_float: new CodeNode( 'fn tsl_repeatWrapping_float( coord: f32 ) -> f32 { return fract( coord ); }' ),
 	mirrorWrapping_float: new CodeNode( 'fn tsl_mirrorWrapping_float( coord: f32 ) -> f32 { let mirrored = fract( coord * 0.5 ) * 2.0; return 1.0 - abs( 1.0 - mirrored ); }' ),
 	clampWrapping_float: new CodeNode( 'fn tsl_clampWrapping_float( coord: f32 ) -> f32 { return clamp( coord, 0.0, 1.0 ); }' ),
+	inverse_mat2: new CodeNode( /* wgsl */`
+fn tsl_inverse_mat2( m : mat2x2<f32> ) -> mat2x2<f32> {
+
+	let det = m[ 0 ][ 0 ] * m[ 1 ][ 1 ] - m[ 0 ][ 1 ] * m[ 1 ][ 0 ];
+
+	return mat2x2<f32>(
+		m[ 1 ][ 1 ], - m[ 0 ][ 1 ],
+		- m[ 1 ][ 0 ], m[ 0 ][ 0 ]
+	) * ( 1.0 / det );
+
+}
+` ),
+	inverse_mat3: new CodeNode( /* wgsl */`
+fn tsl_inverse_mat3( m : mat3x3<f32> ) -> mat3x3<f32> {
+
+	let a00 = m[ 0 ][ 0 ]; let a01 = m[ 0 ][ 1 ]; let a02 = m[ 0 ][ 2 ];
+	let a10 = m[ 1 ][ 0 ]; let a11 = m[ 1 ][ 1 ]; let a12 = m[ 1 ][ 2 ];
+	let a20 = m[ 2 ][ 0 ]; let a21 = m[ 2 ][ 1 ]; let a22 = m[ 2 ][ 2 ];
+
+	let b01 = a22 * a11 - a12 * a21;
+	let b11 = - a22 * a10 + a12 * a20;
+	let b21 = a21 * a10 - a11 * a20;
+
+	let det = a00 * b01 + a01 * b11 + a02 * b21;
+
+	return mat3x3<f32>(
+		b01, ( - a22 * a01 + a02 * a21 ), ( a12 * a01 - a02 * a11 ),
+		b11, ( a22 * a00 - a02 * a20 ), ( - a12 * a00 + a02 * a10 ),
+		b21, ( - a21 * a00 + a01 * a20 ), ( a11 * a00 - a01 * a10 )
+	) * ( 1.0 / det );
+
+}
+` ),
+	inverse_mat4: new CodeNode( /* wgsl */`
+fn tsl_inverse_mat4( m : mat4x4<f32> ) -> mat4x4<f32> {
+
+	let a00 = m[ 0 ][ 0 ]; let a01 = m[ 0 ][ 1 ]; let a02 = m[ 0 ][ 2 ]; let a03 = m[ 0 ][ 3 ];
+	let a10 = m[ 1 ][ 0 ]; let a11 = m[ 1 ][ 1 ]; let a12 = m[ 1 ][ 2 ]; let a13 = m[ 1 ][ 3 ];
+	let a20 = m[ 2 ][ 0 ]; let a21 = m[ 2 ][ 1 ]; let a22 = m[ 2 ][ 2 ]; let a23 = m[ 2 ][ 3 ];
+	let a30 = m[ 3 ][ 0 ]; let a31 = m[ 3 ][ 1 ]; let a32 = m[ 3 ][ 2 ]; let a33 = m[ 3 ][ 3 ];
+
+	let b00 = a00 * a11 - a01 * a10;
+	let b01 = a00 * a12 - a02 * a10;
+	let b02 = a00 * a13 - a03 * a10;
+	let b03 = a01 * a12 - a02 * a11;
+	let b04 = a01 * a13 - a03 * a11;
+	let b05 = a02 * a13 - a03 * a12;
+	let b06 = a20 * a31 - a21 * a30;
+	let b07 = a20 * a32 - a22 * a30;
+	let b08 = a20 * a33 - a23 * a30;
+	let b09 = a21 * a32 - a22 * a31;
+	let b10 = a21 * a33 - a23 * a31;
+	let b11 = a22 * a33 - a23 * a32;
+
+	let det = b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06;
+
+	return mat4x4<f32>(
+		a11 * b11 - a12 * b10 + a13 * b09,
+		a02 * b10 - a01 * b11 - a03 * b09,
+		a31 * b05 - a32 * b04 + a33 * b03,
+		a22 * b04 - a21 * b05 - a23 * b03,
+		a12 * b08 - a10 * b11 - a13 * b07,
+		a00 * b11 - a02 * b08 + a03 * b07,
+		a32 * b02 - a30 * b05 - a33 * b01,
+		a20 * b05 - a22 * b02 + a23 * b01,
+		a10 * b10 - a11 * b08 + a13 * b06,
+		a01 * b08 - a00 * b10 - a03 * b06,
+		a30 * b04 - a31 * b02 + a33 * b00,
+		a21 * b02 - a20 * b04 - a23 * b00,
+		a11 * b07 - a10 * b09 - a12 * b06,
+		a00 * b09 - a01 * b07 + a02 * b06,
+		a31 * b01 - a30 * b03 - a32 * b00,
+		a20 * b03 - a21 * b01 + a22 * b00
+	) * ( 1.0 / det );
+
+}
+` ),
 	biquadraticTexture: new CodeNode( /* wgsl */`
 fn tsl_biquadraticTexture( map : texture_2d<f32>, coord : vec2f, iRes : vec2u, level : u32 ) -> vec4f {
 
@@ -77769,6 +78018,9 @@ const wgslMethods = {
 	equals_bvec2: 'tsl_equals_bvec2',
 	equals_bvec3: 'tsl_equals_bvec3',
 	equals_bvec4: 'tsl_equals_bvec4',
+	inverse_mat2: 'tsl_inverse_mat2',
+	inverse_mat3: 'tsl_inverse_mat3',
+	inverse_mat4: 'tsl_inverse_mat4',
 	inversesqrt: 'inverseSqrt',
 	bitcast: 'bitcast<f32>',
 	floatpack_snorm_2x16: 'pack2x16snorm',
@@ -83316,6 +83568,18 @@ class WebGPUBackend extends Backend {
 
 	}
 
+	/**
+	 * Whether the backend supports query timestamps or not.
+	 *
+	 * @type {boolean}
+	 * @readonly
+	 */
+	get hasTimestamp() {
+
+		return true;
+
+	}
+
 	/**
 	 * This method performs a readback operation by moving buffer data from
 	 * a storage buffer attribute from the GPU to the CPU. ReadbackBuffer can
diff --git a/build/three.webgpu.nodes.min.js b/build/three.webgpu.nodes.min.js
index ec32a1f90a4c47..d33544dd99f989 100644
--- a/build/three.webgpu.nodes.min.js
+++ b/build/three.webgpu.nodes.min.js
@@ -3,4 +3,4 @@
  * Copyright 2010-2026 Three.js Authors
  * SPDX-License-Identifier: MIT
  */
-import{Color as e,Vector2 as t,Vector3 as r,Vector4 as s,Matrix2 as i,Matrix3 as n,Matrix4 as a,error as o,EventDispatcher as u,MathUtils as l,warn as d,WebGLCoordinateSystem as c,WebGPUCoordinateSystem as h,ColorManagement as p,SRGBTransfer as g,NoToneMapping as m,StaticDrawUsage as f,InterleavedBufferAttribute as y,InterleavedBuffer as b,DynamicDrawUsage as x,NoColorSpace as T,log as _,warnOnce as v,Texture as N,UnsignedIntType as S,IntType as R,Compatibility as E,LessCompare as w,LessEqualCompare as A,GreaterCompare as C,GreaterEqualCompare as M,NearestFilter as B,Sphere as L,BackSide as F,DoubleSide as P,CubeTexture as U,CubeReflectionMapping as D,CubeRefractionMapping as I,TangentSpaceNormalMap as O,NoNormalPacking as V,NormalRGPacking as k,NormalGAPacking as G,ObjectSpaceNormalMap as $,RGFormat as z,RED_GREEN_RGTC2_Format as W,RG11_EAC_Format as H,InstancedBufferAttribute as j,InstancedInterleavedBuffer as q,DataArrayTexture as X,FloatType as Y,FramebufferTexture as K,LinearMipmapLinearFilter as Q,DepthTexture as Z,Material as J,LineBasicMaterial as ee,LineDashedMaterial as te,NoBlending as re,MeshNormalMaterial as se,SRGBColorSpace as ie,RenderTarget as ne,BoxGeometry as ae,Mesh as oe,Scene as ue,LinearFilter as le,CubeCamera as de,EquirectangularReflectionMapping as ce,EquirectangularRefractionMapping as he,AddOperation as pe,MixOperation as ge,MultiplyOperation as me,MeshBasicMaterial as fe,MeshLambertMaterial as ye,MeshPhongMaterial as be,DataTexture as xe,HalfFloatType as Te,ClampToEdgeWrapping as _e,BufferGeometry as ve,OrthographicCamera as Ne,PerspectiveCamera as Se,LinearSRGBColorSpace as Re,RGBAFormat as Ee,CubeUVReflectionMapping as we,BufferAttribute as Ae,MeshStandardMaterial as Ce,MeshPhysicalMaterial as Me,MeshToonMaterial as Be,MeshMatcapMaterial as Le,SpriteMaterial as Fe,PointsMaterial as Pe,ShadowMaterial as Ue,Uint32BufferAttribute as De,Uint16BufferAttribute as Ie,ByteType as Oe,UnsignedByteType as Ve,ShortType as ke,UnsignedShortType as Ge,AlphaFormat as $e,RedFormat as ze,RedIntegerFormat as We,DepthFormat as He,DepthStencilFormat as je,RGIntegerFormat as qe,RGBFormat as Xe,RGBIntegerFormat as Ye,UnsignedShort4444Type as Ke,UnsignedShort5551Type as Qe,UnsignedInt248Type as Ze,UnsignedInt5999Type as Je,UnsignedInt101111Type as et,NormalBlending as tt,SrcAlphaFactor as rt,OneMinusSrcAlphaFactor as st,AddEquation as it,MaterialBlending as nt,Object3D as at,LinearMipMapLinearFilter as ot,Plane as ut,Float32BufferAttribute as lt,UVMapping as dt,PCFShadowMap as ct,PCFSoftShadowMap as ht,VSMShadowMap as pt,BasicShadowMap as gt,CubeDepthTexture as mt,SphereGeometry as ft,LinearMipmapNearestFilter as yt,NearestMipmapLinearFilter as bt,Float16BufferAttribute as xt,yieldToMain as Tt,REVISION as _t,ArrayCamera as vt,PlaneGeometry as Nt,FrontSide as St,CustomBlending as Rt,ZeroFactor as Et,CylinderGeometry as wt,Quaternion as At,WebXRController as Ct,RAD2DEG as Mt,FrustumArray as Bt,Frustum as Lt,RGBAIntegerFormat as Ft,TimestampQuery as Pt,createCanvasElement as Ut,ReverseSubtractEquation as Dt,SubtractEquation as It,OneMinusDstAlphaFactor as Ot,OneMinusDstColorFactor as Vt,OneMinusSrcColorFactor as kt,DstAlphaFactor as Gt,DstColorFactor as $t,SrcAlphaSaturateFactor as zt,SrcColorFactor as Wt,OneFactor as Ht,CullFaceNone as jt,CullFaceBack as qt,CullFaceFront as Xt,MultiplyBlending as Yt,SubtractiveBlending as Kt,AdditiveBlending as Qt,NotEqualDepth as Zt,GreaterDepth as Jt,GreaterEqualDepth as er,EqualDepth as tr,LessEqualDepth as rr,LessDepth as sr,AlwaysDepth as ir,NeverDepth as nr,ReversedDepthFuncs as ar,RGB_S3TC_DXT1_Format as or,RGBA_S3TC_DXT1_Format as ur,RGBA_S3TC_DXT3_Format as lr,RGBA_S3TC_DXT5_Format as dr,RGB_PVRTC_4BPPV1_Format as cr,RGB_PVRTC_2BPPV1_Format as hr,RGBA_PVRTC_4BPPV1_Format as pr,RGBA_PVRTC_2BPPV1_Format as gr,RGB_ETC1_Format as mr,RGB_ETC2_Format as fr,RGBA_ETC2_EAC_Format as yr,R11_EAC_Format as br,SIGNED_R11_EAC_Format as xr,SIGNED_RG11_EAC_Format as Tr,RGBA_ASTC_4x4_Format as _r,RGBA_ASTC_5x4_Format as vr,RGBA_ASTC_5x5_Format as Nr,RGBA_ASTC_6x5_Format as Sr,RGBA_ASTC_6x6_Format as Rr,RGBA_ASTC_8x5_Format as Er,RGBA_ASTC_8x6_Format as wr,RGBA_ASTC_8x8_Format as Ar,RGBA_ASTC_10x5_Format as Cr,RGBA_ASTC_10x6_Format as Mr,RGBA_ASTC_10x8_Format as Br,RGBA_ASTC_10x10_Format as Lr,RGBA_ASTC_12x10_Format as Fr,RGBA_ASTC_12x12_Format as Pr,RGBA_BPTC_Format as Ur,RGB_BPTC_SIGNED_Format as Dr,RGB_BPTC_UNSIGNED_Format as Ir,RED_RGTC1_Format as Or,SIGNED_RED_RGTC1_Format as Vr,SIGNED_RED_GREEN_RGTC2_Format as kr,MirroredRepeatWrapping as Gr,RepeatWrapping as $r,NearestMipmapNearestFilter as zr,NotEqualCompare as Wr,EqualCompare as Hr,AlwaysCompare as jr,NeverCompare as qr,LinearTransfer as Xr,getByteLength as Yr,isTypedArray as Kr,NotEqualStencilFunc as Qr,GreaterStencilFunc as Zr,GreaterEqualStencilFunc as Jr,EqualStencilFunc as es,LessEqualStencilFunc as ts,LessStencilFunc as rs,AlwaysStencilFunc as ss,NeverStencilFunc as is,DecrementWrapStencilOp as ns,IncrementWrapStencilOp as as,DecrementStencilOp as os,IncrementStencilOp as us,InvertStencilOp as ls,ReplaceStencilOp as ds,ZeroStencilOp as cs,KeepStencilOp as hs,MaxEquation as ps,MinEquation as gs,SpotLight as ms,PointLight as fs,DirectionalLight as ys,RectAreaLight as bs,AmbientLight as xs,HemisphereLight as Ts,LightProbe as _s,LinearToneMapping as vs,ReinhardToneMapping as Ns,CineonToneMapping as Ss,ACESFilmicToneMapping as Rs,AgXToneMapping as Es,NeutralToneMapping as ws,Group as As,Loader as Cs,FileLoader as Ms,MaterialLoader as Bs,ObjectLoader as Ls}from"./three.core.min.js";export{AdditiveAnimationBlendMode,AnimationAction,AnimationClip,AnimationLoader,AnimationMixer,AnimationObjectGroup,AnimationUtils,ArcCurve,ArrowHelper,AttachedBindMode,Audio,AudioAnalyser,AudioContext,AudioListener,AudioLoader,AxesHelper,BasicDepthPacking,BatchedMesh,BezierInterpolant,Bone,BooleanKeyframeTrack,Box2,Box3,Box3Helper,BoxHelper,BufferGeometryLoader,Cache,Camera,CameraHelper,CanvasTexture,CapsuleGeometry,CatmullRomCurve3,CircleGeometry,Clock,ColorKeyframeTrack,CompressedArrayTexture,CompressedCubeTexture,CompressedTexture,CompressedTextureLoader,ConeGeometry,ConstantAlphaFactor,ConstantColorFactor,Controls,CubeTextureLoader,CubicBezierCurve,CubicBezierCurve3,CubicInterpolant,CullFaceFrontBack,Curve,CurvePath,CustomToneMapping,Cylindrical,Data3DTexture,DataTextureLoader,DataUtils,DefaultLoadingManager,DetachedBindMode,DirectionalLightHelper,DiscreteInterpolant,DodecahedronGeometry,DynamicCopyUsage,DynamicReadUsage,EdgesGeometry,EllipseCurve,Euler,ExternalTexture,ExtrudeGeometry,Fog,FogExp2,GLBufferAttribute,GLSL1,GLSL3,GridHelper,HTMLTexture,HemisphereLightHelper,IcosahedronGeometry,ImageBitmapLoader,ImageLoader,ImageUtils,InstancedBufferGeometry,InstancedMesh,Int16BufferAttribute,Int32BufferAttribute,Int8BufferAttribute,Interpolant,InterpolateBezier,InterpolateDiscrete,InterpolateLinear,InterpolateSmooth,InterpolationSamplingMode,InterpolationSamplingType,KeyframeTrack,LOD,LatheGeometry,Layers,Light,Line,Line3,LineCurve,LineCurve3,LineLoop,LineSegments,LinearInterpolant,LinearMipMapNearestFilter,LoaderUtils,LoadingManager,LoopOnce,LoopPingPong,LoopRepeat,MOUSE,MeshDepthMaterial,MeshDistanceMaterial,NearestMipMapLinearFilter,NearestMipMapNearestFilter,NormalAnimationBlendMode,NumberKeyframeTrack,OctahedronGeometry,OneMinusConstantAlphaFactor,OneMinusConstantColorFactor,Path,PlaneHelper,PointLightHelper,Points,PolarGridHelper,PolyhedronGeometry,PositionalAudio,PropertyBinding,PropertyMixer,QuadraticBezierCurve,QuadraticBezierCurve3,QuaternionKeyframeTrack,QuaternionLinearInterpolant,RGBADepthPacking,RGBDepthPacking,RGDepthPacking,RawShaderMaterial,Ray,Raycaster,RenderTarget3D,RingGeometry,ShaderMaterial,Shape,ShapeGeometry,ShapePath,ShapeUtils,Skeleton,SkeletonHelper,SkinnedMesh,Source,Spherical,SphericalHarmonics3,SplineCurve,SpotLightHelper,Sprite,StaticCopyUsage,StaticReadUsage,StereoCamera,StreamCopyUsage,StreamDrawUsage,StreamReadUsage,StringKeyframeTrack,TOUCH,TetrahedronGeometry,TextureLoader,TextureUtils,Timer,TorusGeometry,TorusKnotGeometry,Triangle,TriangleFanDrawMode,TriangleStripDrawMode,TrianglesDrawMode,TubeGeometry,Uint8BufferAttribute,Uint8ClampedBufferAttribute,Uniform,UniformsGroup,VectorKeyframeTrack,VideoFrameTexture,VideoTexture,WebGL3DRenderTarget,WebGLArrayRenderTarget,WebGLRenderTarget,WireframeGeometry,WrapAroundEnding,ZeroCurvatureEnding,ZeroSlopeEnding,getConsoleFunction,setConsoleFunction}from"./three.core.min.js";const Fs=["alphaMap","alphaTest","anisotropy","anisotropyMap","anisotropyRotation","aoMap","aoMapIntensity","attenuationColor","attenuationDistance","bumpMap","clearcoat","clearcoatMap","clearcoatNormalMap","clearcoatNormalScale","clearcoatRoughness","color","dispersion","displacementMap","emissive","emissiveIntensity","emissiveMap","envMap","envMapIntensity","gradientMap","ior","iridescence","iridescenceIOR","iridescenceMap","iridescenceThicknessMap","lightMap","lightMapIntensity","map","matcap","metalness","metalnessMap","normalMap","normalScale","opacity","roughness","roughnessMap","sheen","sheenColor","sheenColorMap","sheenRoughnessMap","shininess","specular","specularColor","specularColorMap","specularIntensity","specularIntensityMap","specularMap","thickness","transmission","transmissionMap"],Ps=new WeakMap,Us=new WeakMap,Ds=new WeakMap;class Is{constructor(e){this.renderObjects=new WeakMap,this.hasNode=this.containsNode(e),this.hasAnimation=!0===e.object.isSkinnedMesh,this.refreshUniforms=Fs,this.renderId=0}firstInitialization(e){return!1===this.renderObjects.has(e)&&(this.getRenderObjectData(e),!0)}needsVelocity(e){const t=e.getMRT();return null!==t&&t.has("velocity")}getRenderObjectData(e){let t=this.renderObjects.get(e);if(void 0===t){const{geometry:r,object:s}=e;if(t={geometryId:r.id,worldMatrix:s.matrixWorld.clone()},s.center&&(t.center=s.center.clone()),s.morphTargetInfluences&&(t.morphTargetInfluences=s.morphTargetInfluences.slice()),null!==e.bundle&&(t.version=e.bundle.version),e.material.transmission>0){const{width:r,height:s}=e.context;t.bufferWidth=r,t.bufferHeight=s}t.lights=this.getLightsData(e.lightsNode.getLights(),[]),this.renderObjects.set(e,t)}return t}getAttributesData(e){const t={};for(const r in e){const s=e[r];t[r]={id:s.isInterleavedBufferAttribute?s.data.uuid:s.id,version:s.isInterleavedBufferAttribute?s.data.version:s.version}}return t}containsNode(e){const t=e.material;for(const e in t)if(t[e]&&t[e].isNode)return!0;return!!(e.context.modelViewMatrix||e.context.modelNormalViewMatrix||e.context.getAO||e.context.getShadow)}getGeometryData(e){let t=Ds.get(e);return void 0===t&&(t={_renderId:-1,_equal:!1,attributes:this.getAttributesData(e.attributes),indexId:e.index?e.index.id:null,indexVersion:e.index?e.index.version:null,drawRange:{start:e.drawRange.start,count:e.drawRange.count}},Ds.set(e,t)),t}getMaterialData(e){let t=Us.get(e);if(void 0===t){t={_renderId:-1,_equal:!1};for(const r of this.refreshUniforms){const s=e[r];null!=s&&("object"==typeof s&&void 0!==s.clone?!0===s.isTexture?t[r]={id:s.id,version:0}:t[r]=s.clone():t[r]=s)}Us.set(e,t)}return t}equals(e,t,r){const{object:s,material:i,geometry:n}=e,a=this.getRenderObjectData(e);if(!0!==a.worldMatrix.equals(s.matrixWorld))return a.worldMatrix.copy(s.matrixWorld),!1;const o=this.getMaterialData(e.material);if(o._renderId!==r){o._renderId=r;for(const e in o){const t=o[e],r=i[e];if("_renderId"!==e&&"_equal"!==e)if(void 0!==t.equals){if(!1===t.equals(r))return t.copy(r),o._equal=!1,!1}else if(!0===r.isTexture){if(t.id!==r.id||t.version!==r.version)return t.id=r.id,t.version=r.version,o._equal=!1,!1}else if(t!==r)return o[e]=r,o._equal=!1,!1}if(o.transmission>0){const{width:t,height:r}=e.context;if(a.bufferWidth!==t||a.bufferHeight!==r)return a.bufferWidth=t,a.bufferHeight=r,o._equal=!1,!1}o._equal=!0}else if(!1===o._equal)return!1;if(a.geometryId!==n.id)return a.geometryId=n.id,!1;const u=this.getGeometryData(e.geometry);if(u._renderId!==r){u._renderId=r;const e=n.attributes,t=u.attributes;let s=0,i=0;for(const t in e)s++;for(const r in t){i++;const s=t[r],n=e[r];if(void 0===n)return delete t[r],u._equal=!1,!1;const a=n.isInterleavedBufferAttribute?n.data.uuid:n.id,o=n.isInterleavedBufferAttribute?n.data.version:n.version;if(s.id!==a||s.version!==o)return s.id=a,s.version=o,u._equal=!1,!1}if(i!==s)return u.attributes=this.getAttributesData(e),u._equal=!1,!1;const a=n.index,o=u.indexId,l=u.indexVersion,d=a?a.id:null,c=a?a.version:null;if(o!==d||l!==c)return u.indexId=d,u.indexVersion=c,u._equal=!1,!1;if(u.drawRange.start!==n.drawRange.start||u.drawRange.count!==n.drawRange.count)return u.drawRange.start=n.drawRange.start,u.drawRange.count=n.drawRange.count,u._equal=!1,!1;u._equal=!0}else if(!1===u._equal)return!1;if(a.morphTargetInfluences){let e=!1;for(let t=0;t<a.morphTargetInfluences.length;t++)a.morphTargetInfluences[t]!==s.morphTargetInfluences[t]&&(a.morphTargetInfluences[t]=s.morphTargetInfluences[t],e=!0);if(e)return!1}if(a.lights)for(let e=0;e<t.length;e++)if(a.lights[e].map!==t[e].map)return!1;return a.center&&!1===a.center.equals(s.center)?(a.center.copy(s.center),!0):(null!==e.bundle&&(a.version=e.bundle.version),!0)}getLightsData(e,t){t.length=0;for(const r of e)!0===r.isSpotLight&&null!==r.map&&t.push({map:r.map.version});return t}getLights(e,t){let r=Ps.get(e);return void 0===r&&(r={renderId:-1,lightsData:[]},Ps.set(e,r)),r.renderId===t||(r.renderId=t,this.getLightsData(e.getLights(),r.lightsData)),r.lightsData}needsRefresh(e,t){if(this.hasNode||this.hasAnimation||this.firstInitialization(e)||this.needsVelocity(t.renderer))return!0;const{renderId:r}=t;if(this.renderId!==r)return this.renderId=r,!0;const s=!0===e.object.static,i=null!==e.bundle&&!0===e.bundle.static&&this.getRenderObjectData(e).version===e.bundle.version;if(s||i)return!1;const n=this.getLights(e.lightsNode,r);return!0!==this.equals(e,n,r)}}const Os=[/^StackTrace\.js$/,/^TSLCore\.js$/,/^.*Node\.js$/,/^three\.webgpu.*\.js$/];class Vs{constructor(e=null){this.isStackTrace=!0,this.stack=function(e){const t=/(?:at\s+(.+?)\s+\()?(?:(.+?)@)?([^@\s()]+):(\d+):(\d+)/;return e.split("\n").map(e=>{const r=e.match(t);if(!r)return null;const s=r[1]||r[2]||"",i=r[3].split("?")[0],n=parseInt(r[4],10),a=parseInt(r[5],10);return{fn:s,file:i.split("/").pop(),line:n,column:a}}).filter(e=>e&&!Os.some(t=>t.test(e.file)))}(e||(new Error).stack)}getLocation(){if(0===this.stack.length)return"[Unknown location]";const e=this.stack[0],t=e.fn;return`${t?`"${t}()" at `:""}"${e.file}:${e.line}"`}getError(e){if(0===this.stack.length)return e;return`${e}\n${this.stack.map(e=>{const t=`${e.file}:${e.line}:${e.column}`;return e.fn?`    at ${e.fn} (${t})`:`    at ${t}`}).join("\n")}`}}function ks(e,t=0){let r=3735928559^t,s=1103547991^t;if(Array.isArray(e))for(let t,i=0;i<e.length;i++)t=e[i],r=Math.imul(r^t,2654435761),s=Math.imul(s^t,1597334677);else for(let t,i=0;i<e.length;i++)t=e.charCodeAt(i),r=Math.imul(r^t,2654435761),s=Math.imul(s^t,1597334677);return r=Math.imul(r^r>>>16,2246822507),r^=Math.imul(s^s>>>13,3266489909),s=Math.imul(s^s>>>16,2246822507),s^=Math.imul(r^r>>>13,3266489909),4294967296*(2097151&s)+(r>>>0)}const Gs=e=>ks(e),$s=e=>ks(e),zs=(...e)=>ks(e),Ws=new Map([[1,"float"],[2,"vec2"],[3,"vec3"],[4,"vec4"],[9,"mat3"],[16,"mat4"]]),Hs=new WeakMap;function js(e){return Ws.get(e)}function qs(e){if(/[iu]?vec\d/.test(e))return e.startsWith("ivec")?Int32Array:e.startsWith("uvec")?Uint32Array:Float32Array;if(/mat\d/.test(e))return Float32Array;if(/float/.test(e))return Float32Array;if(/uint/.test(e))return Uint32Array;if(/int/.test(e))return Int32Array;throw new Error(`THREE.NodeUtils: Unsupported type: ${e}`)}function Xs(e){return/float|int|uint|bool/.test(e)?1:/vec2/.test(e)?2:/vec3/.test(e)?3:/vec4/.test(e)||/mat2/.test(e)?4:/mat3/.test(e)?9:/mat4/.test(e)?16:void o(`TSL: Unsupported type: ${e}`,new Vs)}function Ys(e){return/float|int|uint|bool/.test(e)?1:/vec2/.test(e)?2:/vec3/.test(e)?3:/vec4/.test(e)||/mat2/.test(e)?4:/mat3/.test(e)?12:/mat4/.test(e)?16:void o(`TSL: Unsupported type: ${e}`,new Vs)}function Ks(e){return/float|int|uint|bool/.test(e)?1:/vec2/.test(e)?2:/vec3/.test(e)||/vec4/.test(e)?4:/mat2/.test(e)?2:/mat3/.test(e)||/mat4/.test(e)?4:void o(`TSL: Unsupported type: ${e}`,new Vs)}function Qs(e){if(null==e)return null;const t=typeof e;return!0===e.isNode?"node":"number"===t?"float":"boolean"===t?"bool":"string"===t?"string":"function"===t?"shader":!0===e.isVector2?"vec2":!0===e.isVector3?"vec3":!0===e.isVector4?"vec4":!0===e.isMatrix2?"mat2":!0===e.isMatrix3?"mat3":!0===e.isMatrix4?"mat4":!0===e.isColor?"color":e instanceof ArrayBuffer?"ArrayBuffer":null}function Zs(o,...u){const l=o?o.slice(-4):void 0;return 1===u.length&&("vec2"===l?u=[u[0],u[0]]:"vec3"===l?u=[u[0],u[0],u[0]]:"vec4"===l&&(u=[u[0],u[0],u[0],u[0]])),"color"===o?new e(...u):"vec2"===l?new t(...u):"vec3"===l?new r(...u):"vec4"===l?new s(...u):"mat2"===l?new i(...u):"mat3"===l?new n(...u):"mat4"===l?new a(...u):"bool"===o?u[0]||!1:"float"===o||"int"===o||"uint"===o?u[0]||0:"string"===o?u[0]||"":"ArrayBuffer"===o?ti(u[0]):null}function Js(e){let t=Hs.get(e);return void 0===t&&(t={},Hs.set(e,t)),t}function ei(e){let t="";const r=new Uint8Array(e);for(let e=0;e<r.length;e++)t+=String.fromCharCode(r[e]);return btoa(t)}function ti(e){return Uint8Array.from(atob(e),e=>e.charCodeAt(0)).buffer}var ri=Object.freeze({__proto__:null,arrayBufferToBase64:ei,base64ToArrayBuffer:ti,getAlignmentFromType:Ks,getDataFromObject:Js,getLengthFromType:Xs,getMemoryLengthFromType:Ys,getTypeFromLength:js,getTypedArrayFromType:qs,getValueFromType:Zs,getValueType:Qs,hash:zs,hashArray:$s,hashString:Gs});const si={VERTEX:"vertex",FRAGMENT:"fragment"},ii={NONE:"none",FRAME:"frame",RENDER:"render",OBJECT:"object"},ni={BOOLEAN:"bool",INTEGER:"int",FLOAT:"float",VECTOR2:"vec2",VECTOR3:"vec3",VECTOR4:"vec4",MATRIX2:"mat2",MATRIX3:"mat3",MATRIX4:"mat4"},ai={READ_ONLY:"readOnly",WRITE_ONLY:"writeOnly",READ_WRITE:"readWrite"},oi=["fragment","vertex"],ui=["setup","analyze","generate"],li=[...oi,"compute"],di=["x","y","z","w"],ci={analyze:"setup",generate:"analyze"};let hi=0;class pi extends u{static get type(){return"Node"}constructor(e=null){super(),this.nodeType=e,this.updateType=ii.NONE,this.updateBeforeType=ii.NONE,this.updateAfterType=ii.NONE,this.version=0,this.name="",this.global=!1,this.parents=!1,this.isNode=!0,this._beforeNodes=null,this._cacheKey=null,this._uuid=null,this._cacheKeyVersion=0,this.id=hi++,this.stackTrace=null,!0===pi.captureStackTrace&&(this.stackTrace=new Vs)}set needsUpdate(e){!0===e&&this.version++}get uuid(){return null===this._uuid&&(this._uuid=l.generateUUID()),this._uuid}get type(){return this.constructor.type}onUpdate(e,t){return this.updateType=t,this.update=e.bind(this),this}onFrameUpdate(e){return this.onUpdate(e,ii.FRAME)}onRenderUpdate(e){return this.onUpdate(e,ii.RENDER)}onObjectUpdate(e){return this.onUpdate(e,ii.OBJECT)}onReference(e){return this.updateReference=e.bind(this),this}updateReference(){return this}isGlobal(){return this.global}*getChildren(){for(const{childNode:e}of this._getChildren())yield e}dispose(){this.dispatchEvent({type:"dispose"})}traverse(e){e(this);for(const t of this.getChildren())t.traverse(e)}_getChildren(e=new Set){const t=[];e.add(this);for(const r of Object.getOwnPropertyNames(this)){const s=this[r];if(!0!==r.startsWith("_")&&!e.has(s))if(!0===Array.isArray(s))for(let e=0;e<s.length;e++){const i=s[e];i&&!0===i.isNode&&t.push({property:r,index:e,childNode:i})}else if(s&&!0===s.isNode)t.push({property:r,childNode:s});else if(s&&Object.getPrototypeOf(s)===Object.prototype)for(const e in s){if(!0===e.startsWith("_"))continue;const i=s[e];i&&!0===i.isNode&&t.push({property:r,index:e,childNode:i})}}return t}getCacheKey(e=!1,t=null){if(!0===(e=e||this.version!==this._cacheKeyVersion)||null===this._cacheKey){null===t&&(t=new Set);const r=[];for(const{property:s,childNode:i}of this._getChildren(t))r.push(Gs(s.slice(0,-4)),i.getCacheKey(e,t));this._cacheKey=zs($s(r),this.customCacheKey()),this._cacheKeyVersion=this.version}return this._cacheKey}customCacheKey(){return this.id}getScope(){return this}getHash(){return String(this.id)}getUpdateType(){return this.updateType}getUpdateBeforeType(){return this.updateBeforeType}getUpdateAfterType(){return this.updateAfterType}getElementType(e){const t=this.getNodeType(e);return e.getElementType(t)}getMemberType(){return"void"}getNodeType(e,t=null){const r=e.getDataFromNode(this);let s;return null!==t?(r.typeFromOutput=r.typeFromOutput||{},s=r.typeFromOutput[t],void 0===s&&(s=this.generateNodeType(e,t),r.typeFromOutput[t]=s)):(s=r.type,void 0===s&&(s=this.generateNodeType(e),r.type=s)),s}generateNodeType(e,t=null){const r=e.getNodeProperties(this);return r.outputNode?r.outputNode.getNodeType(e,t):this.nodeType}getShared(e){const t=this.getHash(e);return e.getNodeFromHash(t)||this}getArrayCount(){return null}setup(e){const t=e.getNodeProperties(this);let r=0;for(const e of this.getChildren())t["node"+r++]=e;return t.outputNode||null}analyze(e,t=null){const r=e.increaseUsage(this);if(!0===this.parents){const r=e.getDataFromNode(this,"any");r.stages=r.stages||{},r.stages[e.shaderStage]=r.stages[e.shaderStage]||[],r.stages[e.shaderStage].push(t)}if(1===r){const t=e.getNodeProperties(this);for(const r of Object.values(t))r&&!0===r.isNode&&r.build(e,this)}}generate(e,t){const{outputNode:r}=e.getNodeProperties(this);if(r&&!0===r.isNode)return r.build(e,t)}updateBefore(){d("Abstract function.")}updateAfter(){d("Abstract function.")}update(){d("Abstract function.")}before(e){return null===this._beforeNodes&&(this._beforeNodes=[]),this._beforeNodes.push(e),this}build(e,t=null){const r=this.getShared(e);if(this!==r)return r.build(e,t);if(null!==this._beforeNodes){const r=this._beforeNodes;this._beforeNodes=null;for(const s of r)s.build(e,t);this._beforeNodes=r}const s=e.getDataFromNode(this);s.buildStages=s.buildStages||{},s.buildStages[e.buildStage]=!0;const i=ci[e.buildStage];if(i&&!0!==s.buildStages[i]){const t=e.getBuildStage();e.setBuildStage(i),this.build(e),e.setBuildStage(t)}e.addChain(this);let n=null;const a=e.getBuildStage();if("setup"===a){e.addNode(this),this.updateReference(e);const t=e.getNodeProperties(this);if(!0!==t.initialized){t.initialized=!0,t.outputNode=this.setup(e)||t.outputNode||null;for(const r of Object.values(t))if(r&&!0===r.isNode){if(!0===r.parents){const t=e.getNodeProperties(r);t.parents=t.parents||[],t.parents.push(this)}r.build(e)}e.addSequentialNode(this)}n=t.outputNode}else if("analyze"===a)this.analyze(e,t);else if("generate"===a){if(this.generate.length<2){const r=this.getNodeType(e),s=e.getDataFromNode(this);n=s.snippet,void 0===n?void 0===s.generated?(s.generated=!0,n=this.generate(e)||"",s.snippet=n):(d("Node: Recursion detected.",this),n="/* Recursion detected. */"):void 0!==s.flowCodes&&void 0!==e.context.nodeBlock&&e.addFlowCodeHierarchy(this,e.context.nodeBlock),n=e.format(n,r,t)}else n=this.generate(e,t)||"";""===n&&null!==t&&"void"!==t&&"OutputType"!==t&&(o(`TSL: Invalid generated code, expected a "${t}".`),n=e.generateConst(t))}return e.removeChain(this),n}getSerializeChildren(){return this._getChildren()}serialize(e){const t=this.getSerializeChildren(),r={};for(const{property:s,index:i,childNode:n}of t)void 0!==i?(void 0===r[s]&&(r[s]=Number.isInteger(i)?[]:{}),r[s][i]=n.toJSON(e.meta).uuid):r[s]=n.toJSON(e.meta).uuid;Object.keys(r).length>0&&(e.inputNodes=r)}deserialize(e){if(void 0!==e.inputNodes){const t=e.meta.nodes;for(const r in e.inputNodes)if(Array.isArray(e.inputNodes[r])){const s=[];for(const i of e.inputNodes[r])s.push(t[i]);this[r]=s}else if("object"==typeof e.inputNodes[r]){const s={};for(const i in e.inputNodes[r]){const n=e.inputNodes[r][i];s[i]=t[n]}this[r]=s}else{const s=e.inputNodes[r];this[r]=t[s]}}}toJSON(e){const{uuid:t,type:r}=this,s=void 0===e||"string"==typeof e;s&&(e={textures:{},images:{},nodes:{}});let i=e.nodes[t];function n(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(void 0===i&&(i={uuid:t,type:r,meta:e,metadata:{version:4.7,type:"Node",generator:"Node.toJSON"}},!0!==s&&(e.nodes[i.uuid]=i),this.serialize(i),delete i.meta),s){const t=n(e.textures),r=n(e.images),s=n(e.nodes);t.length>0&&(i.textures=t),r.length>0&&(i.images=r),s.length>0&&(i.nodes=s)}return i}}pi.captureStackTrace=!1;class gi extends pi{static get type(){return"ArrayElementNode"}constructor(e,t){super(),this.node=e,this.indexNode=t,this.isArrayElementNode=!0}generateNodeType(e){return this.node.getElementType(e)}getMemberType(e,t){return this.node.getMemberType(e,t)}generate(e){const t=this.indexNode.getNodeType(e);return`${this.node.build(e)}[ ${this.indexNode.build(e,!e.isVector(t)&&e.isInteger(t)?t:"uint")} ]`}}class mi extends pi{static get type(){return"ConvertNode"}constructor(e,t){super(),this.node=e,this.convertTo=t}generateNodeType(e){const t=this.node.getNodeType(e);let r=null;for(const s of this.convertTo.split("|"))null!==r&&e.getTypeLength(t)!==e.getTypeLength(s)||(r=s);return r}serialize(e){super.serialize(e),e.convertTo=this.convertTo}deserialize(e){super.deserialize(e),this.convertTo=e.convertTo}generate(e,t){const r=this.node,s=this.getNodeType(e),i=r.build(e,s);return e.format(i,s,t)}}class fi extends pi{static get type(){return"TempNode"}constructor(e=null){super(e),this.isTempNode=!0}hasDependencies(e){return e.getDataFromNode(this).usageCount>1}build(e,t){if("generate"===e.getBuildStage()){const r=e.getVectorType(this.getNodeType(e,t)),s=e.getDataFromNode(this);if(void 0!==s.propertyName)return e.format(s.propertyName,r,t);if("void"!==r&&"void"!==t&&this.hasDependencies(e)){const i=super.build(e,r),n=e.getVarFromNode(this,null,r),a=e.getPropertyName(n);return e.addLineFlowCode(`${a} = ${i}`,this),s.snippet=i,s.propertyName=a,e.format(s.propertyName,r,t)}}return super.build(e,t)}}class yi extends fi{static get type(){return"JoinNode"}constructor(e=[],t=null){super(t),this.nodes=e}generateNodeType(e){return null!==this.nodeType?e.getVectorType(this.nodeType):e.getTypeFromLength(this.nodes.reduce((t,r)=>t+e.getTypeLength(r.getNodeType(e)),0))}generate(e,t){const r=this.getNodeType(e),s=e.getTypeLength(r),i=this.nodes,n=e.getComponentType(r),a=[];let u=0;for(const t of i){if(u>=s){o(`TSL: Length of parameters exceeds maximum length of function '${r}()' type.`,this.stackTrace);break}let i,l=t.getNodeType(e),d=e.getTypeLength(l);u+d>s&&(o(`TSL: Length of '${r}()' data exceeds maximum length of output type.`,this.stackTrace),d=s-u,l=e.getTypeFromLength(d)),u+=d,i=t.build(e,l);if(e.getComponentType(l)!==n){const t=e.getTypeFromLength(d,n);i=e.format(i,l,t)}a.push(i)}const l=`${e.getType(r)}( ${a.join(", ")} )`;return e.format(l,r,t)}}const bi=di.join("");class xi extends pi{static get type(){return"SplitNode"}constructor(e,t="x"){super(),this.node=e,this.components=t,this.isSplitNode=!0}getVectorLength(){let e=this.components.length;for(const t of this.components)e=Math.max(di.indexOf(t)+1,e);return e}getComponentType(e){return e.getComponentType(this.node.getNodeType(e))}generateNodeType(e){return e.getTypeFromLength(this.components.length,this.getComponentType(e))}getScope(){return this.node.getScope()}generate(e,t){const r=this.node,s=e.getTypeLength(r.getNodeType(e));let i=null;if(s>1){let n=null;this.getVectorLength()>=s&&(n=e.getTypeFromLength(this.getVectorLength(),this.getComponentType(e)));const a=r.build(e,n);i=this.components.length===s&&this.components===bi.slice(0,this.components.length)?e.format(a,n,t):e.format(`${a}.${this.components}`,this.getNodeType(e),t)}else i=r.build(e,t);return i}serialize(e){super.serialize(e),e.components=this.components}deserialize(e){super.deserialize(e),this.components=e.components}}class Ti extends fi{static get type(){return"SetNode"}constructor(e,t,r){super(),this.sourceNode=e,this.components=t,this.targetNode=r}generateNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{sourceNode:t,components:r,targetNode:s}=this,i=this.getNodeType(e),n=e.getComponentType(s.getNodeType(e)),a=e.getTypeFromLength(r.length,n),o=s.build(e,a),u=t.build(e,i),l=e.getTypeLength(i),d=[];for(let e=0;e<l;e++){const t=di[e];t===r[0]?(d.push(o),e+=r.length-1):d.push(u+"."+t)}return`${e.getType(i)}( ${d.join(", ")} )`}}class _i extends fi{static get type(){return"FlipNode"}constructor(e,t){super(),this.sourceNode=e,this.components=t}generateNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{components:t,sourceNode:r}=this,s=this.getNodeType(e),i=r.build(e),n=e.getVarFromNode(this),a=e.getPropertyName(n);e.addLineFlowCode(a+" = "+i,this);const o=e.getTypeLength(s),u=[];let l=0;for(let e=0;e<o;e++){const r=di[e];r===t[l]?(u.push("1.0 - "+a+"."+r),l++):u.push(a+"."+r)}return`${e.getType(s)}( ${u.join(", ")} )`}}class vi extends pi{static get type(){return"InputNode"}constructor(e,t=null){super(t),this.isInputNode=!0,this.value=e,this.precision=null}generateNodeType(){return null===this.nodeType?Qs(this.value):this.nodeType}getInputType(e){return this.getNodeType(e)}setPrecision(e){return this.precision=e,this}serialize(e){super.serialize(e),e.value=this.value,this.value&&this.value.toArray&&(e.value=this.value.toArray()),e.valueType=Qs(this.value),e.nodeType=this.nodeType,"ArrayBuffer"===e.valueType&&(e.value=ei(e.value)),e.precision=this.precision}deserialize(e){super.deserialize(e),this.nodeType=e.nodeType,this.value=Array.isArray(e.value)?Zs(e.valueType,...e.value):e.value,this.precision=e.precision||null,this.value&&this.value.fromArray&&(this.value=this.value.fromArray(e.value))}generate(){d("Abstract function.")}}const Ni=/float|u?int/;class Si extends vi{static get type(){return"ConstNode"}constructor(e,t=null){super(e,t),this.isConstNode=!0}generateConst(e){return e.generateConst(this.getNodeType(e),this.value)}generate(e,t){const r=this.getNodeType(e);return Ni.test(r)&&Ni.test(t)?e.generateConst(t,this.value):e.format(this.generateConst(e),r,t)}}class Ri extends pi{static get type(){return"MemberNode"}constructor(e,t){super(),this.structNode=e,this.property=t,this.isMemberNode=!0}hasMember(e){return(!this.structNode.isMemberNode||!1!==this.structNode.hasMember(e))&&"void"!==this.structNode.getMemberType(e,this.property)}generateNodeType(e){return!1===this.hasMember(e)?"float":this.structNode.getMemberType(e,this.property)}getMemberType(e,t){if(!1===this.hasMember(e))return"float";const r=this.getNodeType(e);return e.getStructTypeNode(r).getMemberType(e,t)}generate(e){if(!1===this.hasMember(e)){d(`TSL: Member "${this.property}" does not exist in struct.`,this.stackTrace);const t=this.getNodeType(e);return e.generateConst(t)}return this.structNode.build(e)+"."+this.property}}let Ei=null;const wi=new Map;function Ai(e,t){if(wi.has(e))d(`TSL: Redefinition of method chaining '${e}'.`);else{if("function"!=typeof t)throw new Error(`THREE.TSL: Node element ${e} is not a function`);wi.set(e,t),"assign"!==e&&(pi.prototype[e]=function(...e){return this.isStackNode?this.addToStack(t(...e)):t(this,...e)},pi.prototype[e+"Assign"]=function(...e){return this.isStackNode?this.assign(e[0],t(...e)):this.assign(t(this,...e))})}}const Ci=e=>(e=>e.replace(/r|s/g,"x").replace(/g|t/g,"y").replace(/b|p/g,"z").replace(/a|q/g,"w"))(e).split("").sort().join("");pi.prototype.assign=function(...e){if(!0!==this.isStackNode)return null!==Ei?Ei.assign(this,...e):o("TSL: No stack defined for assign operation. Make sure the assign is inside a Fn().",new Vs),this;{const t=wi.get("assign");return this.addToStack(t(...e))}},pi.prototype.toVarIntent=function(){return this},pi.prototype.get=function(e){return new Ri(this,e)};const Mi={};function Bi(e,t,r){Mi[e]=Mi[t]=Mi[r]={get(){this._cache=this._cache||{};let t=this._cache[e];return void 0===t&&(t=new xi(this,e),this._cache[e]=t),t},set(t){this[e].assign(sn(t))}};const s=e.toUpperCase(),i=t.toUpperCase(),n=r.toUpperCase();pi.prototype["set"+s]=pi.prototype["set"+i]=pi.prototype["set"+n]=function(t){const r=Ci(e);return new Ti(this,r,sn(t))},pi.prototype["flip"+s]=pi.prototype["flip"+i]=pi.prototype["flip"+n]=function(){const t=Ci(e);return new _i(this,t)}}const Li=["x","y","z","w"],Fi=["r","g","b","a"],Pi=["s","t","p","q"];for(let e=0;e<4;e++){let t=Li[e],r=Fi[e],s=Pi[e];Bi(t,r,s);for(let i=0;i<4;i++){t=Li[e]+Li[i],r=Fi[e]+Fi[i],s=Pi[e]+Pi[i],Bi(t,r,s);for(let n=0;n<4;n++){t=Li[e]+Li[i]+Li[n],r=Fi[e]+Fi[i]+Fi[n],s=Pi[e]+Pi[i]+Pi[n],Bi(t,r,s);for(let a=0;a<4;a++)t=Li[e]+Li[i]+Li[n]+Li[a],r=Fi[e]+Fi[i]+Fi[n]+Fi[a],s=Pi[e]+Pi[i]+Pi[n]+Pi[a],Bi(t,r,s)}}}for(let e=0;e<32;e++)Mi[e]={get(){this._cache=this._cache||{};let t=this._cache[e];return void 0===t&&(t=new gi(this,new Si(e,"uint")),this._cache[e]=t),t},set(t){this[e].assign(sn(t))}};Object.defineProperties(pi.prototype,Mi);const Ui=function(e,t=null){for(const r in e)e[r]=sn(e[r],t);return e},Di=function(e,t=null){const r=e.length;for(let s=0;s<r;s++)e[s]=sn(e[s],t);return e},Ii=function(e,t=null,r=null,s=null){function i(e){return null!==s?(e=sn(Object.assign(e,s)),!0===s.intent&&(e=e.toVarIntent())):e=sn(e),e}let n,a,u,l=t;function d(t){let r;return r=l?/[a-z]/i.test(l)?l+"()":l:e.type,void 0!==a&&t.length<a?(o(`TSL: "${r}" parameter length is less than minimum required.`,new Vs),t.concat(new Array(a-t.length).fill(0))):void 0!==u&&t.length>u?(o(`TSL: "${r}" parameter length exceeds limit.`,new Vs),t.slice(0,u)):t}return null===t?n=(...t)=>i(new e(...on(d(t)))):null!==r?(r=sn(r),n=(...s)=>i(new e(t,...on(d(s)),r))):n=(...r)=>i(new e(t,...on(d(r)))),n.setParameterLength=(...e)=>(1===e.length?a=u=e[0]:2===e.length&&([a,u]=e),n),n.setName=e=>(l=e,n),n},Oi=function(e,...t){return new e(...on(t))};class Vi extends pi{constructor(e,t){super(),this.shaderNode=e,this.rawInputs=t,this.isShaderCallNodeInternal=!0}generateNodeType(e){return this.shaderNode.nodeType||this.getOutputNode(e).getNodeType(e)}getElementType(e){return this.getOutputNode(e).getElementType(e)}getMemberType(e,t){return this.getOutputNode(e).getMemberType(e,t)}call(e){const{shaderNode:t,rawInputs:r}=this,s=e.getNodeProperties(t),i=e.getClosestSubBuild(t.subBuilds)||"",n=i||"default";if(s[n])return s[n];const a=e.subBuildFn,o=e.fnCall;e.subBuildFn=i,e.fnCall=this;let u=null;if(t.layout){if(r){const s=t.layout.inputs;if(ki(r)){const t=r;for(let r=0;r<s.length;r++){const s=t[r];s&&s.isNode&&s.build(e)}}else{const t=r[0];for(const r of s){const s=t[r.name];s&&s.isNode&&s.build(e)}}}const s=e.buildFunctionNode(t);e.addInclude(s);const i=r?function(e){let t;an(e),t=ki(e)?[...e]:e[0];return t}(r):null;u=s.call(i)}else{const s=new Proxy(e,{get:(e,t,r)=>{let s;return s=Symbol.iterator===t?function*(){yield}:Reflect.get(e,t,r),s}}),i=r?function(e){let t=0;return an(e),new Proxy(e,{get:(r,s,i)=>{let n;if("length"===s)return n=e.length,n;if(Symbol.iterator===s)n=function*(){for(const t of e)yield sn(t)};else{if(e.length>0)if(Object.getPrototypeOf(e[0])===Object.prototype){const r=e[0];n=void 0===r[s]?r[t++]:Reflect.get(r,s,i)}else e[0]instanceof pi&&(n=void 0===e[s]?e[t++]:Reflect.get(e,s,i));else n=Reflect.get(r,s,i);n=sn(n)}return n}})}(r):null,n=Array.isArray(r)?r.length>0:null!==r,a=t.jsFunc,o=n||a.length>1?a(i,s):a(s);u=sn(o)}return e.subBuildFn=a,e.fnCall=o,t.once&&(s[n]=u),u}setupOutput(e){return e.addStack(),e.stack.outputNode=this.call(e),e.removeStack()}getOutputNode(e){const t=e.getNodeProperties(this),r=e.getSubBuildOutput(this);return t[r]=t[r]||this.setupOutput(e),t[r].subBuild=e.getClosestSubBuild(this),t[r]}build(e,t=null){let r=null;const s=e.getBuildStage(),i=e.getNodeProperties(this),n=e.getSubBuildOutput(this),a=this.getOutputNode(e),o=e.fnCall;if(e.fnCall=this,"setup"===s){const t=e.getSubBuildProperty("initialized",this);if(!0!==i[t]&&(i[t]=!0,i[n]=this.getOutputNode(e),i[n].build(e),this.shaderNode.subBuilds))for(const t of e.chaining){const r=e.getDataFromNode(t,"any");r.subBuilds=r.subBuilds||new Set;for(const e of this.shaderNode.subBuilds)r.subBuilds.add(e)}r=i[n]}else"analyze"===s?a.build(e,t):"generate"===s&&(r=a.build(e,t)||"");return e.fnCall=o,r}}function ki(e){return e[0]&&(e[0].isNode||Object.getPrototypeOf(e[0])!==Object.prototype)}class Gi extends pi{constructor(e,t){super(t),this.jsFunc=e,this.layout=null,this.global=!0,this.once=!1}setLayout(e){return this.layout=e,this}getLayout(){return this.layout}call(e=null){return new Vi(this,e)}setup(){return this.call()}}const $i=[!1,!0],zi=[0,1,2,3],Wi=[-1,-2],Hi=[.5,1.5,1/3,1e-6,1e6,Math.PI,2*Math.PI,1/Math.PI,2/Math.PI,1/(2*Math.PI),Math.PI/2],ji=new Map;for(const e of $i)ji.set(e,new Si(e));const qi=new Map;for(const e of zi)qi.set(e,new Si(e,"uint"));const Xi=new Map([...qi].map(e=>new Si(e.value,"int")));for(const e of Wi)Xi.set(e,new Si(e,"int"));const Yi=new Map([...Xi].map(e=>new Si(e.value)));for(const e of Hi)Yi.set(e,new Si(e));for(const e of Hi)Yi.set(-e,new Si(-e));const Ki={bool:ji,uint:qi,ints:Xi,float:Yi},Qi=new Map([...ji,...Yi]),Zi=(e,t)=>Qi.has(e)?Qi.get(e):!0===e.isNode?e:new Si(e,t),Ji=function(e,t=null){return(...r)=>{for(const t of r)if(void 0===t)return o(`TSL: Invalid parameter for the type "${e}".`,new Vs),new Si(0,e);if((0===r.length||!["bool","float","int","uint"].includes(e)&&r.every(e=>{const t=typeof e;return"object"!==t&&"function"!==t}))&&(r=[Zs(e,...r)]),1===r.length&&null!==t&&t.has(r[0]))return nn(t.get(r[0]));if(1===r.length){const t=Zi(r[0],e);return t.nodeType===e?nn(t):nn(new mi(t,e))}const s=r.map(e=>Zi(e));return nn(new yi(s,e))}};function en(e){return e&&e.isNode&&e.traverse(t=>{t.isConstNode&&(e=t.value)}),Boolean(e)}const tn=e=>null!=e?e.nodeType||e.convertTo||("string"==typeof e?e:null):null;function rn(e,t){return new Gi(e,t)}const sn=(e,t=null)=>function(e,t=null){const r=Qs(e);return"node"===r?e:null===t&&("float"===r||"boolean"===r)||r&&"shader"!==r&&"string"!==r?sn(Zi(e,t)):"shader"===r?e.isFn?e:gn(e):e}(e,t),nn=(e,t=null)=>sn(e,t).toVarIntent(),an=(e,t=null)=>new Ui(e,t),on=(e,t=null)=>new Di(e,t),un=(e,t=null,r=null,s=null)=>new Ii(e,t,r,s),ln=(e,...t)=>new Oi(e,...t),dn=(e,t=null,r=null,s={})=>new Ii(e,t,r,{...s,intent:!0}),cn=(e,t)=>new Proxy(e,{get:(e,r,s)=>Reflect.get(t,r,s),set:(e,r,s)=>Reflect.set(t,r,s)});let hn=0;class pn extends pi{constructor(e,t=null){super();let r=null;null!==t&&("object"==typeof t?r=t.return:("string"==typeof t?r=t:o("TSL: Invalid layout type.",new Vs),t=null)),this.shaderNode=new rn(e,r),null!==t&&this.setLayout(t),this.isFn=!0}setLayout(e){const t=this.shaderNode.nodeType;if("object"!=typeof e.inputs){const r={name:"fn"+hn++,type:t,inputs:[]};for(const t in e)"return"!==t&&r.inputs.push({name:t,type:e[t]});e=r}return this.shaderNode.setLayout(e),this}generateNodeType(e){return this.shaderNode.getNodeType(e)||"float"}call(...e){const t=this.shaderNode.call(e);return"void"===this.shaderNode.nodeType&&t.toStack(),t.toVarIntent()}once(e=null){return this.shaderNode.once=!0,this.shaderNode.subBuilds=e,this}generate(e){const t=this.getNodeType(e);return o('TSL: "Fn()" was declared but not invoked. Try calling it like "Fn()( ...params )".',this.stackTrace),e.generateConst(t)}}function gn(e,t=null){const r=new pn(e,t);return new Proxy(()=>{},{apply:(e,t,s)=>r.call(...s),get:(e,t,s)=>Reflect.get(r,t,s),set:(e,t,s,i)=>Reflect.set(r,t,s,i)})}const mn=e=>{Ei=e},fn=()=>Ei,yn=(...e)=>Ei.If(...e);function bn(e){return Ei&&Ei.addToStack(e),e}Ai("toStack",bn);const xn=new Ji("color"),Tn=new Ji("float",Ki.float),_n=new Ji("int",Ki.ints),vn=new Ji("uint",Ki.uint),Nn=new Ji("bool",Ki.bool),Sn=new Ji("vec2"),Rn=new Ji("ivec2"),En=new Ji("uvec2"),wn=new Ji("bvec2"),An=new Ji("vec3"),Cn=new Ji("ivec3"),Mn=new Ji("uvec3"),Bn=new Ji("bvec3"),Ln=new Ji("vec4"),Fn=new Ji("ivec4"),Pn=new Ji("uvec4"),Un=new Ji("bvec4"),Dn=new Ji("mat2"),In=new Ji("mat3"),On=new Ji("mat4");Ai("toColor",xn),Ai("toFloat",Tn),Ai("toInt",_n),Ai("toUint",vn),Ai("toBool",Nn),Ai("toVec2",Sn),Ai("toIVec2",Rn),Ai("toUVec2",En),Ai("toBVec2",wn),Ai("toVec3",An),Ai("toIVec3",Cn),Ai("toUVec3",Mn),Ai("toBVec3",Bn),Ai("toVec4",Ln),Ai("toIVec4",Fn),Ai("toUVec4",Pn),Ai("toBVec4",Un),Ai("toMat2",Dn),Ai("toMat3",In),Ai("toMat4",On);const Vn=un(gi).setParameterLength(2),kn=(e,t)=>new mi(sn(e),t);Ai("element",Vn),Ai("convert",kn);Ai("append",e=>(d("TSL: .append() has been renamed to .toStack().",new Vs),bn(e)));class Gn extends pi{static get type(){return"PropertyNode"}constructor(e,t=null,r=!1,s=null){super(e),this.name=t,this.varying=r,this.placeholderNode=sn(s),this.isPropertyNode=!0,this.global=!0}getNodeType(e){const t=super.getNodeType(e);return"output"===t?e.getOutputType():t}customCacheKey(){return Gs(this.type+":"+(this.name||"")+":"+(this.varying?"1":"0"))}getHash(e){return this.name||super.getHash(e)}generate(e){let t;if(!0===this.varying)t=e.getVaryingFromNode(this,this.name),t.needsInterpolation=!0;else if(t=e.getVarFromNode(this,this.name),null!==this.placeholderNode&&!1===e.hasWriteUsage(this)){const r=this.placeholderNode.build(e,this.getNodeType(e));e.addLineFlowCode(`${e.getPropertyName(t)} = ${r}`,this)}return e.getPropertyName(t)}}const $n=(e,t,r=null)=>new Gn(e,t,!1,r),zn=(e,t,r=null)=>new Gn(e,t,!0,r),Wn=ln(Gn,"vec4","DiffuseColor"),Hn=ln(Gn,"vec3","DiffuseContribution"),jn=ln(Gn,"vec3","EmissiveColor"),qn=ln(Gn,"float","Roughness"),Xn=ln(Gn,"float","Metalness"),Yn=ln(Gn,"float","Clearcoat"),Kn=ln(Gn,"float","ClearcoatRoughness"),Qn=ln(Gn,"vec3","Sheen"),Zn=ln(Gn,"float","SheenRoughness"),Jn=ln(Gn,"float","Iridescence"),ea=ln(Gn,"float","IridescenceIOR"),ta=ln(Gn,"float","IridescenceThickness"),ra=ln(Gn,"float","AlphaT"),sa=ln(Gn,"float","Anisotropy"),ia=ln(Gn,"vec3","AnisotropyT"),na=ln(Gn,"vec3","AnisotropyB"),aa=ln(Gn,"color","SpecularColor"),oa=ln(Gn,"color","SpecularColorBlended"),ua=ln(Gn,"float","SpecularF90"),la=ln(Gn,"float","Shininess"),da=ln(Gn,"output","Output"),ca=ln(Gn,"float","dashSize"),ha=ln(Gn,"float","gapSize"),pa=ln(Gn,"float","pointWidth"),ga=ln(Gn,"float","IOR"),ma=ln(Gn,"float","Transmission"),fa=ln(Gn,"float","Thickness"),ya=ln(Gn,"float","AttenuationDistance"),ba=ln(Gn,"color","AttenuationColor"),xa=ln(Gn,"float","Dispersion"),Ta=ln(Gn,"float","AmbientOcclusion",!1,1);class _a extends pi{static get type(){return"UniformGroupNode"}constructor(e,t=!1,r=1,s=null){super("string"),this.name=e,this.shared=t,this.order=r,this.updateType=s,this.isUniformGroup=!0}update(){this.needsUpdate=!0}serialize(e){super.serialize(e),e.name=this.name,e.version=this.version,e.shared=this.shared}deserialize(e){super.deserialize(e),this.name=e.name,this.version=e.version,this.shared=e.shared}}const va=(e,t=1,r=null)=>new _a(e,!1,t,r),Na=(e,t=0,r=null)=>new _a(e,!0,t,r),Sa=Na("frame",0,ii.FRAME),Ra=Na("render",0,ii.RENDER),Ea=va("object",1,ii.OBJECT);class wa extends vi{static get type(){return"UniformNode"}constructor(e,t=null){super(e,t),this.isUniformNode=!0,this.name="",this.groupNode=Ea}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.',new Vs),this.setName(e)}setGroup(e){return this.groupNode=e,this}getGroup(){return this.groupNode}getUniformHash(e){return this.getHash(e)}onUpdate(e,t){return e=e.bind(this),super.onUpdate(t=>{const r=e(t,this);void 0!==r&&(this.value=r)},t)}getInputType(e){let t=super.getInputType(e);return"bool"===t&&(t="uint"),t}generate(e,t){const r=this.getNodeType(e),s=this.getUniformHash(e);let i=e.getNodeFromHash(s);void 0===i&&(e.setHashNode(this,s),i=this);const n=i.getInputType(e),a=e.getUniformFromNode(i,n,e.shaderStage,this.name||e.context.nodeName),o=e.getPropertyName(a);void 0!==e.context.nodeName&&delete e.context.nodeName;let u=o;if("bool"===r){const t=e.getDataFromNode(this);let s=t.propertyName;if(void 0===s){const i=e.getVarFromNode(this,null,"bool");s=e.getPropertyName(i),t.propertyName=s,u=e.format(o,n,r),e.addLineFlowCode(`${s} = ${u}`,this)}u=s}return e.format(u,r,t)}}const Aa=(e,t)=>{const r=tn(t||e);if(r===e&&(e=Zs(r)),e&&!0===e.isNode){let t=e.value;e.traverse(e=>{!0===e.isConstNode&&(t=e.value)}),e=t}return new wa(e,r)};class Ca extends fi{static get type(){return"ArrayNode"}constructor(e,t,r=null){super(e),this.count=t,this.values=r,this.isArrayNode=!0}getArrayCount(){return this.count}generateNodeType(e){return null===this.nodeType?this.values[0].getNodeType(e):this.nodeType}getElementType(e){return this.getNodeType(e)}getMemberType(e,t){return null===this.nodeType?this.values[0].getMemberType(e,t):super.getMemberType(e,t)}generate(e){const t=this.getNodeType(e);return e.generateArray(t,this.count,this.values)}}const Ma=(...e)=>{let t;if(1===e.length){const r=e[0];t=new Ca(null,r.length,r)}else{const r=e[0],s=e[1];t=new Ca(r,s)}return sn(t)};Ai("toArray",(e,t)=>Ma(Array(t).fill(e)));class Ba extends fi{static get type(){return"AssignNode"}constructor(e,t){super(),this.targetNode=e,this.sourceNode=t,this.isAssignNode=!0}hasDependencies(){return!1}generateNodeType(e,t){return"void"!==t?this.targetNode.getNodeType(e):"void"}needsSplitAssign(e){const{targetNode:t}=this;if(!1===e.isAvailable("swizzleAssign")&&t.isSplitNode&&t.components.length>1){const r=e.getTypeLength(t.node.getNodeType(e));return di.join("").slice(0,r)!==t.components}return!1}setup(e){const{targetNode:t,sourceNode:r}=this,s=t.getScope();e.getDataFromNode(s).assign=!0;const i=e.getNodeProperties(this);i.sourceNode=r,i.targetNode=t.context({assign:!0})}generate(e,t){const{targetNode:r,sourceNode:s}=e.getNodeProperties(this),i=this.needsSplitAssign(e),n=r.build(e),a=r.getNodeType(e),o=s.build(e,a),u=s.getNodeType(e),l=e.getDataFromNode(this);let d;if(!0===l.initialized)"void"!==t&&(d=n);else if(i){const s=e.getVarFromNode(this,null,a),i=e.getPropertyName(s);e.addLineFlowCode(`${i} = ${o}`,this);const u=r.node,l=u.node.context({assign:!0}).build(e);for(let t=0;t<u.components.length;t++){const r=u.components[t];e.addLineFlowCode(`${l}.${r} = ${i}[ ${t} ]`,this)}"void"!==t&&(d=n)}else d=`${n} = ${o}`,"void"!==t&&"void"!==u||(e.addLineFlowCode(d,this),"void"!==t&&(d=n));return l.initialized=!0,e.format(d,a,t)}}const La=un(Ba).setParameterLength(2);Ai("assign",La);class Fa extends fi{static get type(){return"FunctionCallNode"}constructor(e=null,t={}){super(),this.functionNode=e,this.parameters=t}setParameters(e){return this.parameters=e,this}getParameters(){return this.parameters}generateNodeType(e){return this.functionNode.getNodeType(e)}getMemberType(e,t){return this.functionNode.getMemberType(e,t)}generate(e){const t=[],r=this.functionNode,s=r.getInputs(e),i=this.parameters,n=(t,r)=>{const s=r.type;let i;return i="pointer"===s?"&"+t.build(e):t.build(e,s),i};if(Array.isArray(i)){if(i.length>s.length)o("TSL: The number of provided parameters exceeds the expected number of inputs in 'Fn()'."),i.length=s.length;else if(i.length<s.length)for(o("TSL: The number of provided parameters is less than the expected number of inputs in 'Fn()'.");i.length<s.length;)i.push(Tn(0));for(let e=0;e<i.length;e++)t.push(n(i[e],s[e]))}else for(const e of s){const r=i[e.name];void 0!==r?t.push(n(r,e)):(o(`TSL: Input '${e.name}' not found in 'Fn()'.`),t.push(n(Tn(0),e)))}return`${r.build(e,"property")}( ${t.join(", ")} )`}}const Pa=(e,...t)=>(t=t.length>1||t[0]&&!0===t[0].isNode?on(t):an(t[0]),new Fa(sn(e),t));Ai("call",Pa);const Ua={"==":"equal","!=":"notEqual","<":"lessThan",">":"greaterThan","<=":"lessThanEqual",">=":"greaterThanEqual","%":"mod"};class Da extends fi{static get type(){return"OperatorNode"}constructor(e,t,r,...s){if(super(),s.length>0){let i=new Da(e,t,r);for(let t=0;t<s.length-1;t++)i=new Da(e,i,s[t]);t=i,r=s[s.length-1]}this.op=e,this.aNode=t,this.bNode=r,this.isOperatorNode=!0}getOperatorMethod(e,t){return e.getMethod(Ua[this.op],t)}generateNodeType(e,t=null){const r=this.op,s=this.aNode,i=this.bNode,n=s.getNodeType(e),a=i?i.getNodeType(e):null;if("void"===n||"void"===a)return t||"void";if("%"===r)return n;if("~"===r||"&"===r||"|"===r||"^"===r||">>"===r||"<<"===r)return e.getIntegerType(n);if("&&"===r||"||"===r||"^^"===r)return"bool";if("!"===r){const t=e.getTypeLength(n);return t>1?`bvec${t}`:"bool"}if("=="===r||"!="===r||"<"===r||">"===r||"<="===r||">="===r){const t=Math.max(e.getTypeLength(n),e.getTypeLength(a));return t>1?`bvec${t}`:"bool"}if(e.isMatrix(n)){if("float"===a)return n;if(e.isVector(a))return e.getVectorFromMatrix(n);if(e.isMatrix(a))return n}else if(e.isMatrix(a)){if("float"===n)return a;if(e.isVector(n))return e.getVectorFromMatrix(a)}return e.getTypeLength(a)>e.getTypeLength(n)?a:n}generate(e,t){const r=this.op,{aNode:s,bNode:i}=this,n=this.getNodeType(e,t);let a=null,o=null;"void"!==n?(a=s.getNodeType(e),o=i?i.getNodeType(e):null,"<"===r||">"===r||"<="===r||">="===r||"=="===r||"!="===r?e.isVector(a)?o=a:e.isVector(o)?a=o:a!==o&&(a=o="float"):">>"===r||"<<"===r?(a=n,o=e.changeComponentType(o,"uint")):"%"===r?(a=n,o=e.isInteger(a)&&e.isInteger(o)?o:a):e.isMatrix(a)?"float"===o?o="float":e.isVector(o)?o=e.getVectorFromMatrix(a):e.isMatrix(o)||(a=o=n):a=e.isMatrix(o)?"float"===a?"float":e.isVector(a)?e.getVectorFromMatrix(o):o=n:o=n):a=o=n;const u=s.build(e,a),l=i?i.build(e,o):null,d=e.getFunctionOperator(r);if("void"!==t){const s=e.renderer.coordinateSystem===c;if("=="===r||"!="===r||"<"===r||">"===r||"<="===r||">="===r)return s&&e.isVector(a)?e.format(`${this.getOperatorMethod(e,t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} ${r} ${l} )`,n,t);if("%"===r)return e.isInteger(o)?e.format(`( ${u} % ${l} )`,n,t):e.format(`${this.getOperatorMethod(e,n)}( ${u}, ${l} )`,n,t);if("!"===r)return s&&e.isVector(a)?e.format(`not( ${u} )`,t):e.format(`( ${r} ${u} )`,a,t);if("~"===r)return e.format(`( ${r} ${u} )`,a,t);if(d)return e.format(`${d}( ${u}, ${l} )`,n,t);if(e.isMatrix(a)&&"float"===o)return e.format(`( ${l} ${r} ${u} )`,n,t);if("float"===a&&e.isMatrix(o))return e.format(`${u} ${r} ${l}`,n,t);{let i=`( ${u} ${r} ${l} )`;return!s&&"bool"===n&&e.isVector(a)&&e.isVector(o)&&(i=`all${i}`),e.format(i,n,t)}}if("void"!==a)return d?e.format(`${d}( ${u}, ${l} )`,n,t):e.isMatrix(a)&&"float"===o?e.format(`${l} ${r} ${u}`,n,t):e.format(`${u} ${r} ${l}`,n,t)}serialize(e){super.serialize(e),e.op=this.op}deserialize(e){super.deserialize(e),this.op=e.op}}const Ia=dn(Da,"+").setParameterLength(2,1/0).setName("add"),Oa=dn(Da,"-").setParameterLength(2,1/0).setName("sub"),Va=dn(Da,"*").setParameterLength(2,1/0).setName("mul"),ka=dn(Da,"/").setParameterLength(2,1/0).setName("div"),Ga=dn(Da,"%").setParameterLength(2).setName("mod"),$a=dn(Da,"==").setParameterLength(2).setName("equal"),za=dn(Da,"!=").setParameterLength(2).setName("notEqual"),Wa=dn(Da,"<").setParameterLength(2).setName("lessThan"),Ha=dn(Da,">").setParameterLength(2).setName("greaterThan"),ja=dn(Da,"<=").setParameterLength(2).setName("lessThanEqual"),qa=dn(Da,">=").setParameterLength(2).setName("greaterThanEqual"),Xa=dn(Da,"&&").setParameterLength(2,1/0).setName("and"),Ya=dn(Da,"||").setParameterLength(2,1/0).setName("or"),Ka=dn(Da,"!").setParameterLength(1).setName("not"),Qa=dn(Da,"^^").setParameterLength(2).setName("xor"),Za=dn(Da,"&").setParameterLength(2).setName("bitAnd"),Ja=dn(Da,"~").setParameterLength(1).setName("bitNot"),eo=dn(Da,"|").setParameterLength(2).setName("bitOr"),to=dn(Da,"^").setParameterLength(2).setName("bitXor"),ro=dn(Da,"<<").setParameterLength(2).setName("shiftLeft"),so=dn(Da,">>").setParameterLength(2).setName("shiftRight"),io=gn(([e])=>(e.addAssign(1),e)),no=gn(([e])=>(e.subAssign(1),e)),ao=gn(([e])=>{const t=_n(e).toConst();return e.addAssign(1),t}),oo=gn(([e])=>{const t=_n(e).toConst();return e.subAssign(1),t});Ai("add",Ia),Ai("sub",Oa),Ai("mul",Va),Ai("div",ka),Ai("mod",Ga),Ai("equal",$a),Ai("notEqual",za),Ai("lessThan",Wa),Ai("greaterThan",Ha),Ai("lessThanEqual",ja),Ai("greaterThanEqual",qa),Ai("and",Xa),Ai("or",Ya),Ai("not",Ka),Ai("xor",Qa),Ai("bitAnd",Za),Ai("bitNot",Ja),Ai("bitOr",eo),Ai("bitXor",to),Ai("shiftLeft",ro),Ai("shiftRight",so),Ai("incrementBefore",io),Ai("decrementBefore",no),Ai("increment",ao),Ai("decrement",oo);class uo extends fi{static get type(){return"MathNode"}constructor(e,t,r=null,s=null){if(super(),(e===uo.MAX||e===uo.MIN)&&arguments.length>3){let i=new uo(e,t,r);for(let t=3;t<arguments.length-1;t++)i=new uo(e,i,arguments[t]);t=i,r=arguments[arguments.length-1],s=null}this.method=e,this.aNode=t,this.bNode=r,this.cNode=s,this.isMathNode=!0}getInputType(e){const t=this.aNode.getNodeType(e),r=this.bNode?this.bNode.getNodeType(e):null,s=this.cNode?this.cNode.getNodeType(e):null,i=e.isMatrix(t)?0:e.getTypeLength(t),n=e.isMatrix(r)?0:e.getTypeLength(r),a=e.isMatrix(s)?0:e.getTypeLength(s);return i>n&&i>a?t:n>a?r:a>i?s:t}generateNodeType(e){const t=this.method;return t===uo.LENGTH||t===uo.DISTANCE||t===uo.DOT?"float":t===uo.CROSS?"vec3":t===uo.ALL||t===uo.ANY?"bool":t===uo.EQUALS?e.changeComponentType(this.aNode.getNodeType(e),"bool"):this.getInputType(e)}setup(e){const{aNode:t,bNode:r,method:s}=this;let i=null;if(s===uo.ONE_MINUS)i=Oa(1,t);else if(s===uo.RECIPROCAL)i=ka(1,t);else if(s===uo.DIFFERENCE)i=$o(Oa(t,r));else if(s===uo.TRANSFORM_DIRECTION){let s=t,n=r;e.isMatrix(s.getNodeType(e))?n=Ln(An(n),0):s=Ln(An(s),0);const a=Va(s,n).xyz;i=Ao(a)}return null!==i?i:super.setup(e)}generate(e,t){if(e.getNodeProperties(this).outputNode)return super.generate(e,t);let r=this.method;const s=this.getNodeType(e),i=this.getInputType(e),n=this.aNode,a=this.bNode,o=this.cNode,u=e.renderer.coordinateSystem;if(r===uo.NEGATE)return e.format("( - "+n.build(e,i)+" )",s,t);{const l=[];return r===uo.CROSS?l.push(n.build(e,s),a.build(e,s)):u===c&&r===uo.STEP?l.push(n.build(e,1===e.getTypeLength(n.getNodeType(e))?"float":i),a.build(e,i)):u!==c||r!==uo.MIN&&r!==uo.MAX?r===uo.REFRACT?l.push(n.build(e,i),a.build(e,i),o.build(e,"float")):r===uo.MIX?l.push(n.build(e,i),a.build(e,i),o.build(e,1===e.getTypeLength(o.getNodeType(e))?"float":i)):(u===h&&r===uo.ATAN&&null!==a&&(r="atan2"),"fragment"===e.shaderStage||r!==uo.DFDX&&r!==uo.DFDY||(d(`TSL: '${r}' is not supported in the ${e.shaderStage} stage.`,this.stackTrace),r="/*"+r+"*/"),l.push(n.build(e,i)),null!==a&&l.push(a.build(e,i)),null!==o&&l.push(o.build(e,i))):l.push(n.build(e,i),a.build(e,1===e.getTypeLength(a.getNodeType(e))?"float":i)),e.format(`${e.getMethod(r,s)}( ${l.join(", ")} )`,s,t)}}serialize(e){super.serialize(e),e.method=this.method}deserialize(e){super.deserialize(e),this.method=e.method}}uo.ALL="all",uo.ANY="any",uo.RADIANS="radians",uo.DEGREES="degrees",uo.EXP="exp",uo.EXP2="exp2",uo.LOG="log",uo.LOG2="log2",uo.SQRT="sqrt",uo.INVERSE_SQRT="inversesqrt",uo.FLOOR="floor",uo.CEIL="ceil",uo.NORMALIZE="normalize",uo.FRACT="fract",uo.SIN="sin",uo.SINH="sinh",uo.COS="cos",uo.COSH="cosh",uo.TAN="tan",uo.TANH="tanh",uo.ASIN="asin",uo.ASINH="asinh",uo.ACOS="acos",uo.ACOSH="acosh",uo.ATAN="atan",uo.ATANH="atanh",uo.ABS="abs",uo.SIGN="sign",uo.LENGTH="length",uo.NEGATE="negate",uo.ONE_MINUS="oneMinus",uo.DFDX="dFdx",uo.DFDY="dFdy",uo.ROUND="round",uo.RECIPROCAL="reciprocal",uo.TRUNC="trunc",uo.FWIDTH="fwidth",uo.TRANSPOSE="transpose",uo.DETERMINANT="determinant",uo.INVERSE="inverse",uo.EQUALS="equals",uo.MIN="min",uo.MAX="max",uo.STEP="step",uo.REFLECT="reflect",uo.DISTANCE="distance",uo.DIFFERENCE="difference",uo.DOT="dot",uo.CROSS="cross",uo.POW="pow",uo.TRANSFORM_DIRECTION="transformDirection",uo.MIX="mix",uo.CLAMP="clamp",uo.REFRACT="refract",uo.SMOOTHSTEP="smoothstep",uo.FACEFORWARD="faceforward";const lo=Tn(1e-6),co=Tn(1e6),ho=Tn(Math.PI),po=Tn(2*Math.PI),go=Tn(2*Math.PI),mo=Tn(.5*Math.PI),fo=dn(uo,uo.ALL).setParameterLength(1),yo=dn(uo,uo.ANY).setParameterLength(1),bo=dn(uo,uo.RADIANS).setParameterLength(1),xo=dn(uo,uo.DEGREES).setParameterLength(1),To=dn(uo,uo.EXP).setParameterLength(1),_o=dn(uo,uo.EXP2).setParameterLength(1),vo=dn(uo,uo.LOG).setParameterLength(1),No=dn(uo,uo.LOG2).setParameterLength(1),So=dn(uo,uo.SQRT).setParameterLength(1),Ro=dn(uo,uo.INVERSE_SQRT).setParameterLength(1),Eo=dn(uo,uo.FLOOR).setParameterLength(1),wo=dn(uo,uo.CEIL).setParameterLength(1),Ao=dn(uo,uo.NORMALIZE).setParameterLength(1),Co=dn(uo,uo.FRACT).setParameterLength(1),Mo=dn(uo,uo.SIN).setParameterLength(1),Bo=dn(uo,uo.SINH).setParameterLength(1),Lo=dn(uo,uo.COS).setParameterLength(1),Fo=dn(uo,uo.COSH).setParameterLength(1),Po=dn(uo,uo.TAN).setParameterLength(1),Uo=dn(uo,uo.TANH).setParameterLength(1),Do=dn(uo,uo.ASIN).setParameterLength(1),Io=dn(uo,uo.ASINH).setParameterLength(1),Oo=dn(uo,uo.ACOS).setParameterLength(1),Vo=dn(uo,uo.ACOSH).setParameterLength(1),ko=dn(uo,uo.ATAN).setParameterLength(1,2),Go=dn(uo,uo.ATANH).setParameterLength(1),$o=dn(uo,uo.ABS).setParameterLength(1),zo=dn(uo,uo.SIGN).setParameterLength(1),Wo=dn(uo,uo.LENGTH).setParameterLength(1),Ho=dn(uo,uo.NEGATE).setParameterLength(1),jo=dn(uo,uo.ONE_MINUS).setParameterLength(1),qo=dn(uo,uo.DFDX).setParameterLength(1),Xo=dn(uo,uo.DFDY).setParameterLength(1),Yo=dn(uo,uo.ROUND).setParameterLength(1),Ko=dn(uo,uo.RECIPROCAL).setParameterLength(1),Qo=dn(uo,uo.TRUNC).setParameterLength(1),Zo=dn(uo,uo.FWIDTH).setParameterLength(1),Jo=dn(uo,uo.TRANSPOSE).setParameterLength(1),eu=dn(uo,uo.DETERMINANT).setParameterLength(1),tu=dn(uo,uo.INVERSE).setParameterLength(1),ru=dn(uo,uo.MIN).setParameterLength(2,1/0),su=dn(uo,uo.MAX).setParameterLength(2,1/0),iu=dn(uo,uo.STEP).setParameterLength(2),nu=dn(uo,uo.REFLECT).setParameterLength(2),au=dn(uo,uo.DISTANCE).setParameterLength(2),ou=dn(uo,uo.DIFFERENCE).setParameterLength(2),uu=dn(uo,uo.DOT).setParameterLength(2),lu=dn(uo,uo.CROSS).setParameterLength(2),du=dn(uo,uo.POW).setParameterLength(2),cu=e=>Va(e,e),hu=e=>Va(e,e,e),pu=e=>Va(e,e,e,e),gu=dn(uo,uo.TRANSFORM_DIRECTION).setParameterLength(2),mu=e=>Va(zo(e),du($o(e),1/3)),fu=e=>uu(e,e),yu=dn(uo,uo.MIX).setParameterLength(3),bu=(e,t=0,r=1)=>new uo(uo.CLAMP,sn(e),sn(t),sn(r)),xu=e=>bu(e),Tu=dn(uo,uo.REFRACT).setParameterLength(3),_u=dn(uo,uo.SMOOTHSTEP).setParameterLength(3),vu=dn(uo,uo.FACEFORWARD).setParameterLength(3),Nu=gn(([e])=>{const t=uu(e.xy,Sn(12.9898,78.233)),r=Ga(t,ho);return Co(Mo(r).mul(43758.5453))}),Su=(e,t,r)=>yu(t,r,e),Ru=(e,t,r)=>_u(t,r,e),Eu=(e,t)=>iu(t,e),wu=vu,Au=Ro;Ai("all",fo),Ai("any",yo),Ai("radians",bo),Ai("degrees",xo),Ai("exp",To),Ai("exp2",_o),Ai("log",vo),Ai("log2",No),Ai("sqrt",So),Ai("inverseSqrt",Ro),Ai("floor",Eo),Ai("ceil",wo),Ai("normalize",Ao),Ai("fract",Co),Ai("sin",Mo),Ai("sinh",Bo),Ai("cos",Lo),Ai("cosh",Fo),Ai("tan",Po),Ai("tanh",Uo),Ai("asin",Do),Ai("asinh",Io),Ai("acos",Oo),Ai("acosh",Vo),Ai("atan",ko),Ai("atanh",Go),Ai("abs",$o),Ai("sign",zo),Ai("length",Wo),Ai("lengthSq",fu),Ai("negate",Ho),Ai("oneMinus",jo),Ai("dFdx",qo),Ai("dFdy",Xo),Ai("round",Yo),Ai("reciprocal",Ko),Ai("trunc",Qo),Ai("fwidth",Zo),Ai("min",ru),Ai("max",su),Ai("step",Eu),Ai("reflect",nu),Ai("distance",au),Ai("dot",uu),Ai("cross",lu),Ai("pow",du),Ai("pow2",cu),Ai("pow3",hu),Ai("pow4",pu),Ai("transformDirection",gu),Ai("mix",Su),Ai("clamp",bu),Ai("refract",Tu),Ai("smoothstep",Ru),Ai("faceForward",vu),Ai("difference",ou),Ai("saturate",xu),Ai("cbrt",mu),Ai("transpose",Jo),Ai("determinant",eu),Ai("inverse",tu),Ai("rand",Nu);class Cu extends pi{static get type(){return"ConditionalNode"}constructor(e,t,r=null){super(),this.condNode=e,this.ifNode=t,this.elseNode=r}generateNodeType(e){const{ifNode:t,elseNode:r}=e.getNodeProperties(this);if(void 0===t)return e.flowBuildStage(this,"setup"),this.getNodeType(e);const s=t.getNodeType(e);if(null!==r){const t=r.getNodeType(e);if(e.getTypeLength(t)>e.getTypeLength(s))return t}return s}setup(e){const t=this.condNode,r=this.ifNode.isolate(),s=this.elseNode?this.elseNode.isolate():null,i=e.context.nodeBlock;e.getDataFromNode(r).parentNodeBlock=i,null!==s&&(e.getDataFromNode(s).parentNodeBlock=i);const n=e.context.uniformFlow,a=e.getNodeProperties(this);a.condNode=t,a.ifNode=n?r:r.context({nodeBlock:r}),a.elseNode=s?n?s:s.context({nodeBlock:s}):null}generate(e,t){const r=this.getNodeType(e),s=e.getDataFromNode(this);if(void 0!==s.nodeProperty)return s.nodeProperty;const{condNode:i,ifNode:n,elseNode:a}=e.getNodeProperties(this),o=e.currentFunctionNode,u="void"!==t,l=u?$n(r).build(e):"";s.nodeProperty=l;const c=i.build(e,"bool");if(e.context.uniformFlow&&null!==a){const s=n.build(e,r),i=a.build(e,r),o=e.getTernary(c,s,i);return e.format(o,r,t)}e.addFlowCode(`\n${e.tab}if ( ${c} ) {\n\n`).addFlowTab();let h=n.build(e,r);if(h&&(u?h=l+" = "+h+";":(h="return "+h+";",null===o&&(d("TSL: Return statement used in an inline 'Fn()'. Define a layout struct to allow return values.",this.stackTrace),h="// "+h))),e.removeFlowTab().addFlowCode(e.tab+"\t"+h+"\n\n"+e.tab+"}"),null!==a){e.addFlowCode(" else {\n\n").addFlowTab();let t=a.build(e,r);t&&(u?t=l+" = "+t+";":(t="return "+t+";",null===o&&(d("TSL: Return statement used in an inline 'Fn()'. Define a layout struct to allow return values.",this.stackTrace),t="// "+t))),e.removeFlowTab().addFlowCode(e.tab+"\t"+t+"\n\n"+e.tab+"}\n\n")}else e.addFlowCode("\n\n");return e.format(l,r,t)}}const Mu=un(Cu).setParameterLength(2,3);Ai("select",Mu);class Bu extends pi{static get type(){return"ContextNode"}constructor(e=null,t={}){super(),this.isContextNode=!0,this.node=e,this.value=t}getScope(){return this.node.getScope()}generateNodeType(e){return this.node.getNodeType(e)}getFlowContextData(){const e=[];return this.traverse(t=>{!0===t.isContextNode&&e.push(t.value)}),Object.assign({},...e)}getMemberType(e,t){return this.node.getMemberType(e,t)}analyze(e){const t=e.addContext(this.value);this.node.build(e),e.setContext(t)}setup(e){const t=e.addContext(this.value);this.node.build(e),e.setContext(t)}generate(e,t){const r=e.addContext(this.value),s=this.node.build(e,t);return e.setContext(r),s}}const Lu=(e=null,t={})=>{let r=e;return null!==r&&!0===r.isNode||(t=r||t,r=null),new Bu(r,t)},Fu=e=>Lu(e,{uniformFlow:!0}),Pu=(e,t)=>Lu(e,{nodeName:t});function Uu(e,t,r=null){return Lu(r,{getShadow:({light:r,shadowColorNode:s})=>t===r?s.mul(e):s})}function Du(e,t=null){return Lu(t,{getAO:(t,{material:r})=>!0===r.transparent?t:null!==t?t.mul(e):e})}function Iu(e,t){return d('TSL: "label()" has been deprecated. Use "setName()" instead.'),Pu(e,t)}Ai("context",Lu),Ai("label",Iu),Ai("uniformFlow",Fu),Ai("setName",Pu),Ai("builtinShadowContext",(e,t,r)=>Uu(t,r,e)),Ai("builtinAOContext",(e,t)=>Du(t,e));class Ou extends pi{static get type(){return"VarNode"}constructor(e,t=null,r=!1){super(),this.node=e,this.name=t,this.global=!0,this.isVarNode=!0,this.readOnly=r,this.parents=!0,this.intent=!1}setIntent(e){return this.intent=e,this}isIntent(e){return!0!==e.getDataFromNode(this).forceDeclaration&&this.intent}getIntent(){return this.intent}getMemberType(e,t){return this.node.getMemberType(e,t)}getElementType(e){return this.node.getElementType(e)}generateNodeType(e){return this.node.getNodeType(e)}getArrayCount(e){return this.node.getArrayCount(e)}isAssign(e){return e.getDataFromNode(this).assign}build(...e){const t=e[0];if(!1===this._hasStack(t)&&"setup"===t.buildStage&&(t.context.nodeLoop||t.context.nodeBlock)){let e=!1;if(this.node.isShaderCallNodeInternal&&null===this.node.shaderNode.getLayout()&&t.fnCall&&t.fnCall.shaderNode){if(t.getDataFromNode(this.node.shaderNode).hasLoop){t.getDataFromNode(this).forceDeclaration=!0,e=!0}}const r=t.getBaseStack();e?r.addToStackBefore(this):r.addToStack(this)}return this.isIntent(t)&&!0!==this.isAssign(t)?this.node.build(...e):super.build(...e)}generate(e){const{node:t,name:r,readOnly:s}=this,{renderer:i}=e,n=!0===i.backend.isWebGPUBackend;let a=!1,u=!1;s&&(a=e.isDeterministic(t),u=n?s:a);const l=this.getNodeType(e);if("void"==l){!0!==this.isIntent(e)&&o('TSL: ".toVar()" can not be used with void type.',this.stackTrace);return t.build(e)}const d=e.getVectorType(l),c=t.build(e,d),h=e.getVarFromNode(this,r,d,void 0,u),p=e.getPropertyName(h);let g=p;if(u)if(n)g=a?`const ${p}`:`let ${p}`;else{const r=t.getArrayCount(e);g=`const ${e.getVar(h.type,p,r)}`}return e.addLineFlowCode(`${g} = ${c}`,this),p}_hasStack(e){return void 0!==e.getDataFromNode(this).stack}}const Vu=un(Ou),ku=(e,t=null)=>Vu(e,t).toStack(),Gu=(e,t=null)=>Vu(e,t,!0).toStack(),$u=e=>Vu(e).setIntent(!0).toStack();Ai("toVar",ku),Ai("toConst",Gu),Ai("toVarIntent",$u);class zu extends pi{static get type(){return"SubBuild"}constructor(e,t,r=null){super(r),this.node=e,this.name=t,this.isSubBuildNode=!0}generateNodeType(e){if(null!==this.nodeType)return this.nodeType;e.addSubBuild(this.name);const t=this.node.getNodeType(e);return e.removeSubBuild(),t}build(e,...t){e.addSubBuild(this.name);const r=this.node.build(e,...t);return e.removeSubBuild(),r}}const Wu=(e,t,r=null)=>new zu(sn(e),t,r);class Hu extends pi{static get type(){return"VaryingNode"}constructor(e,t=null){super(),this.node=Wu(e,"VERTEX"),this.name=t,this.isVaryingNode=!0,this.interpolationType=null,this.interpolationSampling=null,this.global=!0}setInterpolation(e,t=null){return this.interpolationType=e,this.interpolationSampling=t,this}getHash(e){return this.name||super.getHash(e)}generateNodeType(e){return this.node.getNodeType(e)}setupVarying(e){const t=e.getNodeProperties(this);let r=t.varying;if(void 0===r){const s=this.name,i=this.getNodeType(e),n=this.interpolationType,a=this.interpolationSampling;t.varying=r=e.getVaryingFromNode(this,s,i,n,a),t.node=Wu(this.node,"VERTEX")}return r.needsInterpolation||(r.needsInterpolation="fragment"===e.shaderStage),r}setup(e){this.setupVarying(e),e.flowNodeFromShaderStage(si.VERTEX,this.node)}analyze(e){this.setupVarying(e),e.flowNodeFromShaderStage(si.VERTEX,this.node)}generate(e){const t=e.getSubBuildProperty("property",e.currentStack),r=e.getNodeProperties(this),s=this.setupVarying(e);if(void 0===r[t]){const i=this.getNodeType(e),n=e.getPropertyName(s,si.VERTEX);if(e.shaderStage===si.VERTEX){const t=r.node.build(e,i);e.addLineFlowCode(`${n} = ${t}`,this)}else e.flowNodeFromShaderStage(si.VERTEX,r.node,i,n);r[t]=n}return e.getPropertyName(s)}}const ju=un(Hu).setParameterLength(1,2),qu=e=>ju(e);Ai("toVarying",ju),Ai("toVertexStage",qu);const Xu=gn(([e])=>{const t=e.mul(.9478672986).add(.0521327014).pow(2.4),r=e.mul(.0773993808),s=e.lessThanEqual(.04045);return yu(t,r,s)}).setLayout({name:"sRGBTransferEOTF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),Yu=gn(([e])=>{const t=e.pow(.41666).mul(1.055).sub(.055),r=e.mul(12.92),s=e.lessThanEqual(.0031308);return yu(t,r,s)}).setLayout({name:"sRGBTransferOETF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),Ku="WorkingColorSpace";class Qu extends fi{static get type(){return"ColorSpaceNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this.source=t,this.target=r}resolveColorSpace(e,t){return t===Ku?p.workingColorSpace:"OutputColorSpace"===t?e.context.outputColorSpace||e.renderer.outputColorSpace:t}setup(e){const{colorNode:t}=this,r=this.resolveColorSpace(e,this.source),s=this.resolveColorSpace(e,this.target);let i=t;return!1!==p.enabled&&r!==s&&r&&s?(p.getTransfer(r)===g&&(i=Ln(Xu(i.rgb),i.a)),p.getPrimaries(r)!==p.getPrimaries(s)&&(i=Ln(In(p._getMatrix(new n,r,s)).mul(i.rgb),i.a)),p.getTransfer(s)===g&&(i=Ln(Yu(i.rgb),i.a)),i):i}}const Zu=(e,t)=>new Qu(sn(e),Ku,t),Ju=(e,t)=>new Qu(sn(e),t,Ku);Ai("workingToColorSpace",Zu),Ai("colorSpaceToWorking",Ju);let el=class extends gi{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}generateNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(),s=this.getNodeType();return e.format(t,r,s)}};class tl extends pi{static get type(){return"ReferenceBaseNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.updateType=ii.OBJECT}setGroup(e){return this.group=e,this}element(e){return new el(this,sn(e))}setNodeType(e){const t=Aa(null,e);null!==this.group&&t.setGroup(this.group),this.node=t}generateNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;e<t.length;e++)r=r[t[e]];return r}updateReference(e){return this.reference=null!==this.object?this.object:e.object,this.reference}setup(){return this.updateValue(),this.node}update(){this.updateValue()}updateValue(){null===this.node&&this.setNodeType(this.uniformType);const e=this.getValueFromReference();Array.isArray(e)?this.node.array=e:this.node.value=e}}class rl extends tl{static get type(){return"RendererReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.renderer=r,this.setGroup(Ra)}updateReference(e){return this.reference=null!==this.renderer?this.renderer:e.renderer,this.reference}}const sl=(e,t,r=null)=>new rl(e,t,r);class il extends fi{static get type(){return"ToneMappingNode"}constructor(e,t=al,r=null){super("vec3"),this._toneMapping=e,this.exposureNode=t,this.colorNode=r}customCacheKey(){return zs(this._toneMapping)}setToneMapping(e){return this._toneMapping=e,this}getToneMapping(){return this._toneMapping}setup(e){const t=this.colorNode||e.context.color,r=this._toneMapping;if(r===m)return t;let s=null;const i=e.renderer.library.getToneMappingFunction(r);return null!==i?s=Ln(i(t.rgb,this.exposureNode),t.a):(o("ToneMappingNode: Unsupported Tone Mapping configuration.",r),s=t),s}}const nl=(e,t,r)=>new il(e,sn(t),sn(r)),al=sl("toneMappingExposure","float");Ai("toneMapping",(e,t,r)=>nl(t,r,e));const ol=new WeakMap;function ul(e,t){let r=ol.get(e);return void 0===r&&(r=new b(e,t),ol.set(e,r)),r}class ll extends vi{static get type(){return"BufferAttributeNode"}constructor(e,t=null,r=0,s=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferStride=r,this.bufferOffset=s,this.usage=f,this.instanced=!1,this.attribute=null,this.global=!0,e&&!0===e.isBufferAttribute&&e.itemSize<=4&&(this.attribute=e,this.usage=e.usage,this.instanced=e.isInstancedBufferAttribute)}getHash(e){let t;if(0===this.bufferStride&&0===this.bufferOffset){let r=e.globalCache.getData(this.value);void 0===r&&(r={node:this},e.globalCache.setData(this.value,r)),t=r.node.id}else t=this.id;return String(t)}generateNodeType(e){return null===this.bufferType&&(this.bufferType=e.getTypeFromAttribute(this.attribute)),this.bufferType}setup(e){if(null!==this.attribute)return;const t=this.getNodeType(e),r=e.getTypeLength(t),s=this.value,i=this.bufferStride||r,n=this.bufferOffset;let a;a=!0===s.isInterleavedBuffer?s:!0===s.isBufferAttribute?ul(s.array,i):ul(s,i);const o=new y(a,r,n);a.setUsage(this.usage),this.attribute=o,this.attribute.isInstancedBufferAttribute=this.instanced}generate(e){const t=this.getNodeType(e),r=e.context.nodeName;void 0!==r&&delete e.context.nodeName;const s=e.getBufferAttributeFromNode(this,t,r),i=e.getPropertyName(s);let n=null;if("vertex"===e.shaderStage||"compute"===e.shaderStage)this.name=i,n=i;else{let s;r&&(s=r+"Varying");n=ju(this,s).build(e,t)}return n}getInputType(){return"bufferAttribute"}setUsage(e){return this.usage=e,this.attribute&&!0===this.attribute.isBufferAttribute&&(this.attribute.usage=e),this}setInstanced(e){return this.instanced=e,this}}function dl(e,t=null,r=0,s=0,i=f,n=!1){return"mat3"===t||null===t&&9===e.itemSize?In(new ll(e,"vec3",9,0).setUsage(i).setInstanced(n),new ll(e,"vec3",9,3).setUsage(i).setInstanced(n),new ll(e,"vec3",9,6).setUsage(i).setInstanced(n)):"mat4"===t||null===t&&16===e.itemSize?On(new ll(e,"vec4",16,0).setUsage(i).setInstanced(n),new ll(e,"vec4",16,4).setUsage(i).setInstanced(n),new ll(e,"vec4",16,8).setUsage(i).setInstanced(n),new ll(e,"vec4",16,12).setUsage(i).setInstanced(n)):new ll(e,t,r,s).setUsage(i)}const cl=(e,t=null,r=0,s=0)=>dl(e,t,r,s),hl=(e,t=null,r=0,s=0)=>dl(e,t,r,s,f,!0),pl=(e,t=null,r=0,s=0)=>dl(e,t,r,s,x,!0);Ai("toAttribute",e=>cl(e.value));class gl extends pi{static get type(){return"IndexNode"}constructor(e){super("uint"),this.scope=e,this.isIndexNode=!0}generate(e){const t=this.getNodeType(e),r=this.scope;let s,i;if(r===gl.VERTEX)s=e.getVertexIndex();else if(r===gl.INSTANCE)s=e.getInstanceIndex();else if(r===gl.DRAW)s=e.getDrawIndex();else if(r===gl.INVOCATION_LOCAL)s=e.getInvocationLocalIndex();else if(r===gl.INVOCATION_SUBGROUP)s=e.getInvocationSubgroupIndex();else{if(r!==gl.SUBGROUP)throw new Error("THREE.IndexNode: Unknown scope: "+r);s=e.getSubgroupIndex()}if("vertex"===e.shaderStage||"compute"===e.shaderStage)i=s;else{i=ju(this).build(e,t)}return i}}gl.VERTEX="vertex",gl.INSTANCE="instance",gl.SUBGROUP="subgroup",gl.INVOCATION_LOCAL="invocationLocal",gl.INVOCATION_SUBGROUP="invocationSubgroup",gl.DRAW="draw";const ml=ln(gl,gl.VERTEX),fl=ln(gl,gl.INSTANCE),yl=ln(gl,gl.SUBGROUP),bl=ln(gl,gl.INVOCATION_SUBGROUP),xl=ln(gl,gl.INVOCATION_LOCAL),Tl=ln(gl,gl.DRAW);class _l extends pi{static get type(){return"ComputeNode"}constructor(e,t){super("void"),this.isComputeNode=!0,this.computeNode=e,this.workgroupSize=t,this.count=null,this.dispatchSize=null,this.version=1,this.name="",this.updateBeforeType=ii.OBJECT,this.onInitFunction=null,this.countNode=null}dispose(){this.dispatchEvent({type:"dispose"})}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.',new Vs),this.setName(e)}onInit(e){return this.onInitFunction=e,this}updateBefore({renderer:e}){e.compute(this)}setup(e){null!==this.count&&null===this.countNode&&(this.countNode=Aa(this.count,"uint").onObjectUpdate(()=>this.count));const t=this.computeNode.build(e);if(t){e.getNodeProperties(this).outputComputeNode=t.outputNode,t.outputNode=null}return t}generate(e,t){const{shaderStage:r}=e;if("compute"===r){const t=this.computeNode.build(e,"void");if(""!==t&&e.addLineFlowCode(t,this),null!==this.count&&!0===e.allowEarlyReturns){const t=this.countNode.build(e,"uint"),r=fl.build(e,"uint");e.flow.code=`${e.tab}if ( ${r} >= ${t} ) { return; }\n\n${e.flow.code}`}}else{const r=e.getNodeProperties(this).outputComputeNode;if(r)return r.build(e,t)}}}const vl=(e,t=[64])=>{(0===t.length||t.length>3)&&o("TSL: compute() workgroupSize must have 1, 2, or 3 elements",new Vs);for(let e=0;e<t.length;e++){const r=t[e];("number"!=typeof r||r<=0||!Number.isInteger(r))&&o(`TSL: compute() workgroupSize element at index [ ${e} ] must be a positive integer`,new Vs)}for(;t.length<3;)t.push(1);return new _l(sn(e),t)},Nl=(e,t,r)=>{const s=vl(e,r);return"number"==typeof t?s.count=t:s.dispatchSize=t,s};Ai("compute",Nl),Ai("computeKernel",vl);class Sl extends pi{static get type(){return"IsolateNode"}constructor(e,t=!0){super(),this.node=e,this.parent=t,this.isIsolateNode=!0}generateNodeType(e){const t=e.getCache(),r=e.getCacheFromNode(this,this.parent);e.setCache(r);const s=this.node.getNodeType(e);return e.setCache(t),s}build(e,...t){const r=e.getCache(),s=e.getCacheFromNode(this,this.parent);e.setCache(s);const i=this.node.build(e,...t);return e.setCache(r),i}setParent(e){return this.parent=e,this}getParent(){return this.parent}}const Rl=e=>new Sl(sn(e));function El(e,t=!0){return d('TSL: "cache()" has been deprecated. Use "isolate()" instead.'),Rl(e).setParent(t)}Ai("cache",El),Ai("isolate",Rl);class wl extends pi{static get type(){return"BypassNode"}constructor(e,t){super(),this.isBypassNode=!0,this.outputNode=e,this.callNode=t}generateNodeType(e){return this.outputNode.getNodeType(e)}generate(e){const t=this.callNode.build(e,"void");return""!==t&&e.addLineFlowCode(t,this),this.outputNode.build(e)}}const Al=un(wl).setParameterLength(2);Ai("bypass",Al);const Cl=gn(([e,t,r,s=Tn(0),i=Tn(1),n=Nn(!1)])=>{let a=e.sub(t).div(r.sub(t));return en(n)&&(a=a.clamp()),a.mul(i.sub(s)).add(s)});function Ml(e,t,r,s=Tn(0),i=Tn(1)){return Cl(e,t,r,s,i,!0)}Ai("remap",Cl),Ai("remapClamp",Ml);class Bl extends pi{static get type(){return"ExpressionNode"}constructor(e="",t="void"){super(t),this.snippet=e}generate(e,t){const r=this.getNodeType(e),s=this.snippet;if("void"!==r)return e.format(s,r,t);e.addLineFlowCode(s,this)}}const Ll=un(Bl).setParameterLength(1,2),Fl=e=>(e?Mu(e,Ll("discard")):Ll("discard")).toStack();Ai("discard",Fl);const Pl=gn(([e])=>Ln(e.rgb.mul(e.a),e.a),{color:"vec4",return:"vec4"}),Ul=gn(([e])=>e.a.equal(0).select(Ln(0),Ln(e.rgb.div(e.a),e.a)),{color:"vec4",return:"vec4"});class Dl extends fi{static get type(){return"RenderOutputNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this._toneMapping=t,this.outputColorSpace=r,this.isRenderOutputNode=!0}setToneMapping(e){return this._toneMapping=e,this}getToneMapping(){return this._toneMapping}setup({context:e}){let t=this.colorNode||e.color;t=Ln(t.rgb,t.a.clamp(0,1)),t=Ul(t);const r=(null!==this._toneMapping?this._toneMapping:e.toneMapping)||m,s=(null!==this.outputColorSpace?this.outputColorSpace:e.outputColorSpace)||T;return r!==m&&(t=t.toneMapping(r)),s!==T&&s!==p.workingColorSpace&&(t=t.workingToColorSpace(s)),t=Pl(t),t}}const Il=(e,t=null,r=null)=>new Dl(sn(e),t,r);Ai("renderOutput",Il);class Ol extends fi{static get type(){return"DebugNode"}constructor(e,t=null){super(),this.node=e,this.callback=t}generateNodeType(e){return this.node.getNodeType(e)}setup(e){return this.node.build(e)}analyze(e){return this.node.build(e)}generate(e){const t=this.callback,r=this.node.build(e);if(null!==t)t(e,r);else{const t="--- TSL debug - "+e.shaderStage+" shader ---",s="-".repeat(t.length);let i="";i+="// #"+t+"#\n",i+=e.flow.code.replace(/^\t/gm,"")+"\n",i+="/* ... */ "+r+" /* ... */\n",i+="// #"+s+"#\n",_(i)}return r}}const Vl=(e,t=null)=>new Ol(sn(e),t).toStack();Ai("debug",Vl);class kl extends u{constructor(){super(),this._renderer=null,this.currentFrame=null}get nodeFrame(){return this._renderer._nodes.nodeFrame}setRenderer(e){return this._renderer=e,this}getRenderer(){return this._renderer}init(){}begin(){}finish(){}inspect(){}computeAsync(){}beginCompute(){}finishCompute(){}beginRender(){}finishRender(){}copyTextureToTexture(){}copyFramebufferToTexture(){}}class Gl extends pi{static get type(){return"InspectorNode"}constructor(e,t="",r=null){super(),this.node=e,this.name=t,this.callback=r,this.updateType=ii.FRAME,this.isInspectorNode=!0}getName(){return this.name||this.node.name}update(e){e.renderer.inspector.inspect(this)}generateNodeType(e){return this.node.getNodeType(e)}setup(e){let t=this.node;return!0===e.context.inspector&&null!==this.callback&&(t=this.callback(t)),!0!==e.renderer.backend.isWebGPUBackend&&e.renderer.inspector.constructor!==kl&&v('TSL: ".toInspector()" is only available with WebGPU.'),t}}function $l(e,t="",r=null){return(e=sn(e)).before(new Gl(e,t,r))}Ai("toInspector",$l);class zl extends pi{static get type(){return"AttributeNode"}constructor(e,t=null){super(t),this.global=!0,this._attributeName=e}getHash(e){return this.getAttributeName(e)}generateNodeType(e){let t=this.nodeType;if(null===t){const r=this.getAttributeName(e);if(e.hasGeometryAttribute(r)){const s=e.geometry.getAttribute(r);t=e.getTypeFromAttribute(s)}else t="float"}return t}setAttributeName(e){return this._attributeName=e,this}getAttributeName(){return this._attributeName}generate(e){const t=this.getAttributeName(e),r=this.getNodeType(e);if(!0===e.hasGeometryAttribute(t)){const s=e.geometry.getAttribute(t),i=e.getTypeFromAttribute(s),n=e.getAttribute(t,i);if("vertex"===e.shaderStage)return e.format(n.name,i,r);return ju(this).build(e,r)}return d(`AttributeNode: Vertex attribute "${t}" not found on geometry.`),e.generateConst(r)}serialize(e){super.serialize(e),e.global=this.global,e._attributeName=this._attributeName}deserialize(e){super.deserialize(e),this.global=e.global,this._attributeName=e._attributeName}}const Wl=(e,t=null)=>new zl(e,t),Hl=(e=0)=>Wl("uv"+(e>0?e:""),"vec2");class jl extends pi{static get type(){return"TextureSizeNode"}constructor(e,t=null){super("uvec2"),this.isTextureSizeNode=!0,this.textureNode=e,this.levelNode=t}generate(e,t){const r=this.textureNode.build(e,"property"),s=null===this.levelNode?"0":this.levelNode.build(e,"int");return e.format(`${e.getMethod("textureDimensions")}( ${r}, ${s} )`,this.getNodeType(e),t)}}const ql=un(jl).setParameterLength(1,2);class Xl extends wa{static get type(){return"MaxMipLevelNode"}constructor(e){super(0),this._textureNode=e,this.updateType=ii.FRAME}get textureNode(){return this._textureNode}get texture(){return this._textureNode.value}update(){const e=this.texture,t=e.images,r=t&&t.length>0?t[0]&&t[0].image||t[0]:e.image;if(r&&void 0!==r.width){const{width:e,height:t}=r;this.value=Math.log2(Math.max(e,t))}}}const Yl=un(Xl).setParameterLength(1);class Kl extends Error{constructor(e,t=null){super(e),this.name="NodeError",this.stackTrace=t}}const Ql=new N;class Zl extends wa{static get type(){return"TextureNode"}constructor(e=Ql,t=null,r=null,s=null){super(e),this.isTextureNode=!0,this.uvNode=t,this.levelNode=r,this.biasNode=s,this.compareNode=null,this.depthNode=null,this.gradNode=null,this.gatherNode=null,this.offsetNode=null,this.sampler=!0,this.updateMatrix=!1,this.updateType=ii.NONE,this.referenceNode=null,this._value=e,this._matrixUniform=null,this._flipYUniform=null,this.setUpdateMatrix(null===t)}set value(e){this.referenceNode?this.referenceNode.value=e:this._value=e}get value(){return this.referenceNode?this.referenceNode.value:this._value}getUniformHash(){return this.value.uuid}generateNodeType(){return!0===this.value.isDepthTexture?null===this.gatherNode?"float":"vec4":this.value.type===S?"uvec4":this.value.type===R?"ivec4":"vec4"}getInputType(){return"texture"}getDefaultUV(){return Hl(this.value.channel)}updateReference(){return this.value}getTransformedUV(e){return null===this._matrixUniform&&(this._matrixUniform=Aa(this.value.matrix)),this._matrixUniform.mul(An(e,1)).xy}setUpdateMatrix(e){return this.updateMatrix=e,this}setupUV(e,t){return e.isFlipY()&&(null===this._flipYUniform&&(this._flipYUniform=Aa(!1)),t=t.toVar(),t=this.sampler?this._flipYUniform.select(t.flipY(),t):this._flipYUniform.select(t.setY(_n(ql(this,this.levelNode).y).sub(t.y).sub(1)),t)),t}setup(e){const t=e.getNodeProperties(this);t.referenceNode=this.referenceNode;const r=this.value;if(!r||!0!==r.isTexture)throw new Kl("THREE.TSL: `texture( value )` function expects a valid instance of THREE.Texture().",this.stackTrace);const s=gn(()=>{let t=this.uvNode;return null!==t&&!0!==e.context.forceUVContext||!e.context.getUV||(t=e.context.getUV(this,e)),t||(t=this.getDefaultUV()),!0===this.updateMatrix&&(t=this.getTransformedUV(t)),t=this.setupUV(e,t),this.updateType=null!==this._matrixUniform||null!==this._flipYUniform?ii.OBJECT:ii.NONE,t})();let i=this.levelNode;null===i&&e.context.getTextureLevel&&(i=e.context.getTextureLevel(this));let n=null,a=null;if(null!==this.compareNode)if(e.renderer.hasCompatibility(E.TEXTURE_COMPARE))n=this.compareNode;else{const e=r.compareFunction;null===e||e===w||e===A||e===C||e===M?a=this.compareNode:(n=this.compareNode,v('TSL: Only "LessCompare", "LessEqualCompare", "GreaterCompare" and "GreaterEqualCompare" are supported for depth texture comparison fallback.'))}t.uvNode=s,t.levelNode=i,t.biasNode=this.biasNode,t.compareNode=n,t.compareStepNode=a,t.gradNode=this.gradNode,t.gatherNode=this.gatherNode,t.depthNode=this.depthNode,t.offsetNode=this.offsetNode}generateUV(e,t){return t.build(e,!0===this.sampler?"vec2":"ivec2")}generateOffset(e,t){return t.build(e,"ivec2")}generateSnippet(e,t,r,s,i,n,a,o,u,l,d){const c=this.value;let h;return h=i?e.generateTextureBias(c,t,r,i,n,l):o?e.generateTextureGrad(c,t,r,o,n,l):u?a?e.generateTextureGatherCompare(c,t,r,a,n,l,d):e.generateTextureGather(c,t,r,u,n,l,d):a?e.generateTextureCompare(c,t,r,a,n,l):!1===this.sampler?e.generateTextureLoad(c,t,r,s,n,l):s?e.generateTextureLevel(c,t,r,s,n,l):e.generateTexture(c,t,r,n,l),h}generate(e,t){const r=this.value,s=e.getNodeProperties(this),i=super.generate(e,"property");if(/^sampler/.test(t))return i+"_sampler";if(e.isReference(t))return i;{const n=e.getDataFromNode(this);let a=this.getNodeType(e),o=n.propertyName;if(void 0===o){const{uvNode:t,levelNode:u,biasNode:l,compareNode:d,compareStepNode:c,depthNode:h,gradNode:p,gatherNode:g,offsetNode:m}=s,f=this.generateUV(e,t),y=u?u.build(e,"float"):null,b=l?l.build(e,"float"):null,x=h?h.build(e,"int"):null,T=d?d.build(e,"float"):null,_=c?c.build(e,"float"):null,v=p?[p[0].build(e,"vec2"),p[1].build(e,"vec2")]:null,N=g?g.build(e,"int"):null,S=m?this.generateOffset(e,m):null,R=this._flipYUniform?this._flipYUniform.build(e,"bool"):null;N&&(a="vec4");let E=x;null===E&&r.isArrayTexture&&!0!==this.isTexture3DNode&&(E="0");const w=e.getVarFromNode(this);o=e.getPropertyName(w);let A=this.generateSnippet(e,i,f,y,b,E,T,v,N,S,R);if(null!==_){const t=r.compareFunction;A=t===C||t===M?iu(Ll(A,a),Ll(_,"float")).build(e,a):iu(Ll(_,"float"),Ll(A,a)).build(e,a)}e.addLineFlowCode(`${o} = ${A}`,this),n.snippet=A,n.propertyName=o}let u=o;return e.needsToWorkingColorSpace(r)&&(u=Ju(Ll(u,a),r.colorSpace).setup(e).build(e,a)),e.format(u,a,t)}}setSampler(e){return this.sampler=e,this}getSampler(){return this.sampler}sample(e){const t=this.clone();return t.uvNode=sn(e),t.referenceNode=this.getBase(),sn(t)}load(e){return this.sample(e).setSampler(!1)}blur(e){const t=this.clone();t.biasNode=sn(e).mul(Yl(t)),t.referenceNode=this.getBase();const r=t.value;return!1===t.generateMipmaps&&(r&&!1===r.generateMipmaps||r.minFilter===B||r.magFilter===B)&&(d("TSL: texture().blur() requires mipmaps and sampling. Use .generateMipmaps=true and .minFilter/.magFilter=THREE.LinearFilter in the Texture."),t.biasNode=null),sn(t)}level(e){const t=this.clone();return t.levelNode=sn(e),t.referenceNode=this.getBase(),sn(t)}size(e){return ql(this,e)}bias(e){const t=this.clone();return t.biasNode=sn(e),t.referenceNode=this.getBase(),sn(t)}getBase(){return this.referenceNode?this.referenceNode.getBase():this}compare(e){const t=this.clone();return t.compareNode=sn(e),t.referenceNode=this.getBase(),sn(t)}grad(e,t){const r=this.clone();return r.gradNode=[sn(e),sn(t)],r.referenceNode=this.getBase(),sn(r)}gather(e=0){const t=this.clone();return t.gatherNode=sn(e),t.referenceNode=this.getBase(),sn(t)}depth(e){const t=this.clone();return t.depthNode=sn(e),t.referenceNode=this.getBase(),sn(t)}offset(e){const t=this.clone();return t.offsetNode=sn(e),t.referenceNode=this.getBase(),sn(t)}serialize(e){super.serialize(e),e.value=this.value.toJSON(e.meta).uuid,e.sampler=this.sampler,e.updateMatrix=this.updateMatrix,e.updateType=this.updateType}deserialize(e){super.deserialize(e),this.value=e.meta.textures[e.value],this.sampler=e.sampler,this.updateMatrix=e.updateMatrix,this.updateType=e.updateType}update(){const e=this.value,t=this._matrixUniform;null!==t&&(t.value=e.matrix),!0===e.matrixAutoUpdate&&e.updateMatrix();const r=this._flipYUniform;null!==r&&(r.value=e.image instanceof ImageBitmap&&!0===e.flipY||!0===e.isRenderTargetTexture||!0===e.isFramebufferTexture||!0===e.isDepthTexture)}clone(){const e=new this.constructor(this.value,this.uvNode,this.levelNode,this.biasNode);return e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.gatherNode=this.gatherNode,e.offsetNode=this.offsetNode,e}}const Jl=un(Zl).setParameterLength(1,4).setName("texture"),ed=(e=Ql,t=null,r=null,s=null)=>{let i;return e&&!0===e.isTextureNode?(i=sn(e.clone()),i.referenceNode=e.getBase(),null!==t&&(i.uvNode=sn(t)),null!==r&&(i.levelNode=sn(r)),null!==s&&(i.biasNode=sn(s))):i=Jl(e,t,r,s),i},td=(...e)=>ed(...e).setSampler(!1);class rd extends wa{static get type(){return"BufferNode"}constructor(e,t,r=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferCount=r,this.updateRanges=[]}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}getElementType(e){return this.getNodeType(e)}getInputType(){return"buffer"}}const sd=(e,t,r)=>new rd(e,t,r);class id extends gi{static get type(){return"UniformArrayElementNode"}constructor(e,t){super(e,t),this.isArrayBufferElementNode=!0}generate(e){const t=super.generate(e),r=this.getNodeType(e),s=this.node.getPaddedType();return e.format(t,s,r)}}class nd extends rd{static get type(){return"UniformArrayNode"}constructor(e,t=null){super(null),this.array=e,this.elementType=null===t?Qs(e[0]):t,this.paddedType=this.getPaddedType(),this.updateType=ii.RENDER,this.isArrayBufferNode=!0}generateNodeType(){return this.paddedType}getElementType(){return this.elementType}getPaddedType(){const e=this.elementType;let t="vec4";return"mat2"===e?t="mat2":!0===/mat/.test(e)?t="mat4":"i"===e.charAt(0)?t="ivec4":"u"===e.charAt(0)&&(t="uvec4"),t}update(){const{array:e,value:t}=this,r=this.elementType;if("float"===r||"int"===r||"uint"===r)for(let r=0;r<e.length;r++){t[4*r]=e[r]}else if("color"===r)for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.r,t[s+1]=i.g,t[s+2]=i.b||0}else if("mat2"===r)for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.elements[0],t[s+1]=i.elements[1],t[s+2]=i.elements[2],t[s+3]=i.elements[3]}else if("mat3"===r)for(let r=0;r<e.length;r++){const s=16*r,i=e[r];t[s]=i.elements[0],t[s+1]=i.elements[1],t[s+2]=i.elements[2],t[s+4]=i.elements[3],t[s+5]=i.elements[4],t[s+6]=i.elements[5],t[s+8]=i.elements[6],t[s+9]=i.elements[7],t[s+10]=i.elements[8],t[s+15]=1}else if("mat4"===r)for(let r=0;r<e.length;r++){const s=16*r,i=e[r];for(let e=0;e<i.elements.length;e++)t[s+e]=i.elements[e]}else for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.x,t[s+1]=i.y,t[s+2]=i.z||0,t[s+3]=i.w||0}}setup(e){const t=this.array.length,r=this.elementType;let s=Float32Array;const i=this.paddedType,n=e.getTypeLength(i);return"i"===r.charAt(0)&&(s=Int32Array),"u"===r.charAt(0)&&(s=Uint32Array),this.value=new s(t*n),this.bufferCount=t,this.bufferType=i,this.update(),super.setup(e)}element(e){return new id(this,sn(e))}}const ad=(e,t)=>new nd(e,t);class od extends pi{constructor(e){super("float"),this.name=e,this.isBuiltinNode=!0}generate(){return this.name}}const ud=un(od).setParameterLength(1);let ld,dd;class cd extends pi{static get type(){return"ScreenNode"}constructor(e){super(),this.scope=e,this._output=null,this.isViewportNode=!0}generateNodeType(){return this.scope===cd.DPR?"float":this.scope===cd.VIEWPORT?"vec4":"vec2"}getUpdateType(){let e=ii.NONE;return this.scope!==cd.SIZE&&this.scope!==cd.VIEWPORT&&this.scope!==cd.DPR||(e=ii.RENDER),this.updateType=e,e}update({renderer:e}){const t=e.getRenderTarget();this.scope===cd.VIEWPORT?null!==t?dd.copy(t.viewport):(e.getViewport(dd),dd.multiplyScalar(e.getPixelRatio())):this.scope===cd.DPR?this._output.value=e.getPixelRatio():null!==t?(ld.width=t.width,ld.height=t.height):e.getDrawingBufferSize(ld)}setup(){const e=this.scope;let r=null;return r=e===cd.SIZE?Aa(ld||(ld=new t)):e===cd.VIEWPORT?Aa(dd||(dd=new s)):e===cd.DPR?Aa(1):Sn(md.div(gd)),this._output=r,r}generate(e){if(this.scope===cd.COORDINATE){let t=e.getFragCoord();if(e.isFlipY()){const r=e.getNodeProperties(gd).outputNode.build(e);t=`${e.getType("vec2")}( ${t}.x, ${r}.y - ${t}.y )`}return t}return super.generate(e)}}cd.COORDINATE="coordinate",cd.VIEWPORT="viewport",cd.SIZE="size",cd.UV="uv",cd.DPR="dpr";const hd=ln(cd,cd.DPR),pd=ln(cd,cd.UV),gd=ln(cd,cd.SIZE),md=ln(cd,cd.COORDINATE),fd=ln(cd,cd.VIEWPORT),yd=fd.zw,bd=md.sub(fd.xy),xd=bd.div(yd),Td=gn(()=>(d('TSL: "viewportResolution" is deprecated. Use "screenSize" instead.',new Vs),gd),"vec2").once()();let _d=null,vd=null,Nd=null,Sd=null,Rd=null,Ed=null,wd=null,Ad=null,Cd=null,Md=null,Bd=null,Ld=null,Fd=null,Pd=null;const Ud=Aa(0,"uint").setName("u_cameraIndex").setGroup(Na("cameraIndex")).toVarying("v_cameraIndex"),Dd=Aa("float").setName("cameraNear").setGroup(Ra).onRenderUpdate(({camera:e})=>e.near),Id=Aa("float").setName("cameraFar").setGroup(Ra).onRenderUpdate(({camera:e})=>e.far),Od=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.projectionMatrix);null===vd?vd=ad(r).setGroup(Ra).setName("cameraProjectionMatrices"):vd.array=r,t=vd.element(e.isMultiViewCamera?ud("gl_ViewID_OVR"):Ud).toConst("cameraProjectionMatrix")}else null===_d&&(_d=Aa(e.projectionMatrix).setName("cameraProjectionMatrix").setGroup(Ra).onRenderUpdate(({camera:e})=>e.projectionMatrix)),t=_d;return t}).once()(),Vd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.projectionMatrixInverse);null===Sd?Sd=ad(r).setGroup(Ra).setName("cameraProjectionMatricesInverse"):Sd.array=r,t=Sd.element(e.isMultiViewCamera?ud("gl_ViewID_OVR"):Ud).toConst("cameraProjectionMatrixInverse")}else null===Nd&&(Nd=Aa(e.projectionMatrixInverse).setName("cameraProjectionMatrixInverse").setGroup(Ra).onRenderUpdate(({camera:e})=>e.projectionMatrixInverse)),t=Nd;return t}).once()(),kd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.matrixWorldInverse);null===Ed?Ed=ad(r).setGroup(Ra).setName("cameraViewMatrices"):Ed.array=r,t=Ed.element(e.isMultiViewCamera?ud("gl_ViewID_OVR"):Ud).toConst("cameraViewMatrix")}else null===Rd&&(Rd=Aa(e.matrixWorldInverse).setName("cameraViewMatrix").setGroup(Ra).onRenderUpdate(({camera:e})=>e.matrixWorldInverse)),t=Rd;return t}).once()(),Gd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.matrixWorld);null===Ad?Ad=ad(r).setGroup(Ra).setName("cameraWorldMatrices"):Ad.array=r,t=Ad.element(e.isMultiViewCamera?ud("gl_ViewID_OVR"):Ud).toConst("cameraWorldMatrix")}else null===wd&&(wd=Aa(e.matrixWorld).setName("cameraWorldMatrix").setGroup(Ra).onRenderUpdate(({camera:e})=>e.matrixWorld)),t=wd;return t}).once()(),$d=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.normalMatrix);null===Md?Md=ad(r).setGroup(Ra).setName("cameraNormalMatrices"):Md.array=r,t=Md.element(e.isMultiViewCamera?ud("gl_ViewID_OVR"):Ud).toConst("cameraNormalMatrix")}else null===Cd&&(Cd=Aa(e.normalMatrix).setName("cameraNormalMatrix").setGroup(Ra).onRenderUpdate(({camera:e})=>e.normalMatrix)),t=Cd;return t}).once()(),zd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const s=[];for(let t=0,i=e.cameras.length;t<i;t++)s.push(new r);null===Ld?Ld=ad(s).setGroup(Ra).setName("cameraPositions").onRenderUpdate(({camera:e},t)=>{const r=e.cameras,s=t.array;for(let e=0,t=r.length;e<t;e++)s[e].setFromMatrixPosition(r[e].matrixWorld)}):Ld.array=s,t=Ld.element(e.isMultiViewCamera?ud("gl_ViewID_OVR"):Ud).toConst("cameraPosition")}else null===Bd&&(Bd=Aa(new r).setName("cameraPosition").setGroup(Ra).onRenderUpdate(({camera:e},t)=>t.value.setFromMatrixPosition(e.matrixWorld))),t=Bd;return t}).once()(),Wd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.viewport);null===Pd?Pd=ad(r,"vec4").setGroup(Ra).setName("cameraViewports"):Pd.array=r,t=Pd.element(Ud).toConst("cameraViewport")}else null===Fd&&(Fd=Ln(0,0,gd.x,gd.y).toConst("cameraViewport")),t=Fd;return t}).once()(),Hd=new L;class jd extends pi{static get type(){return"Object3DNode"}constructor(e,t=null){super(),this.scope=e,this.object3d=t,this.updateType=ii.OBJECT,this.uniformNode=new wa(null)}generateNodeType(){const e=this.scope;return e===jd.WORLD_MATRIX?"mat4":e===jd.POSITION||e===jd.VIEW_POSITION||e===jd.DIRECTION||e===jd.SCALE?"vec3":e===jd.RADIUS?"float":void 0}update(e){const t=this.object3d,s=this.uniformNode,i=this.scope;if(i===jd.WORLD_MATRIX)s.value=t.matrixWorld;else if(i===jd.POSITION)s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld);else if(i===jd.SCALE)s.value=s.value||new r,s.value.setFromMatrixScale(t.matrixWorld);else if(i===jd.DIRECTION)s.value=s.value||new r,t.getWorldDirection(s.value);else if(i===jd.VIEW_POSITION){const i=e.camera;s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld),s.value.applyMatrix4(i.matrixWorldInverse)}else if(i===jd.RADIUS){const r=e.object.geometry;null===r.boundingSphere&&r.computeBoundingSphere(),Hd.copy(r.boundingSphere).applyMatrix4(t.matrixWorld),s.value=Hd.radius}}generate(e){const t=this.scope;return t===jd.WORLD_MATRIX?this.uniformNode.nodeType="mat4":t===jd.POSITION||t===jd.VIEW_POSITION||t===jd.DIRECTION||t===jd.SCALE?this.uniformNode.nodeType="vec3":t===jd.RADIUS&&(this.uniformNode.nodeType="float"),this.uniformNode.build(e)}serialize(e){super.serialize(e),e.scope=this.scope}deserialize(e){super.deserialize(e),this.scope=e.scope}}jd.WORLD_MATRIX="worldMatrix",jd.POSITION="position",jd.SCALE="scale",jd.VIEW_POSITION="viewPosition",jd.DIRECTION="direction",jd.RADIUS="radius";const qd=un(jd,jd.DIRECTION).setParameterLength(1),Xd=un(jd,jd.WORLD_MATRIX).setParameterLength(1),Yd=un(jd,jd.POSITION).setParameterLength(1),Kd=un(jd,jd.SCALE).setParameterLength(1),Qd=un(jd,jd.VIEW_POSITION).setParameterLength(1),Zd=un(jd,jd.RADIUS).setParameterLength(1);class Jd extends jd{static get type(){return"ModelNode"}constructor(e){super(e)}update(e){this.object3d=e.object,super.update(e)}}const ec=ln(Jd,Jd.DIRECTION),tc=ln(Jd,Jd.WORLD_MATRIX),rc=ln(Jd,Jd.POSITION),sc=ln(Jd,Jd.SCALE),ic=ln(Jd,Jd.VIEW_POSITION),nc=ln(Jd,Jd.RADIUS),ac=Aa(new n).onObjectUpdate(({object:e},t)=>t.value.getNormalMatrix(e.matrixWorld)),oc=Aa(new a).onObjectUpdate(({object:e},t)=>t.value.copy(e.matrixWorld).invert()),uc=gn(e=>e.context.modelViewMatrix||lc).once()().toVar("modelViewMatrix"),lc=kd.mul(tc),dc=gn(e=>(e.context.isHighPrecisionModelViewMatrix=!0,Aa("mat4").onObjectUpdate(({object:e,camera:t})=>e.modelViewMatrix.multiplyMatrices(t.matrixWorldInverse,e.matrixWorld)))).once()().toVar("highpModelViewMatrix"),cc=gn(e=>{const t=e.context.isHighPrecisionModelViewMatrix;return Aa("mat3").onObjectUpdate(({object:e,camera:r})=>(!0!==t&&e.modelViewMatrix.multiplyMatrices(r.matrixWorldInverse,e.matrixWorld),e.normalMatrix.getNormalMatrix(e.modelViewMatrix)))}).once()().toVar("highpModelNormalViewMatrix"),hc=gn(e=>"fragment"!==e.shaderStage?(v("TSL: `clipSpace` is only available in fragment stage."),Ln()):e.context.clipSpace.toVarying("v_clipSpace")).once()(),pc=Wl("position","vec3"),gc=pc.toVarying("positionLocal"),mc=pc.toVarying("positionPrevious"),fc=gn(e=>tc.mul(gc).xyz.toVarying(e.getSubBuildProperty("v_positionWorld")),"vec3").once(["POSITION"])(),yc=gn(()=>gc.transformDirection(tc).toVarying("v_positionWorldDirection").normalize().toVar("positionWorldDirection"),"vec3").once(["POSITION"])(),bc=gn(e=>{if("fragment"===e.shaderStage&&e.material.vertexNode){const e=Vd.mul(hc);return e.xyz.div(e.w).toVar("positionView")}return e.context.setupPositionView().toVarying("v_positionView")},"vec3").once(["POSITION","VERTEX"])(),xc=gn(e=>{let t;return t=e.camera.isOrthographicCamera?An(0,0,1):bc.negate().toVarying("v_positionViewDirection").normalize(),t.toVar("positionViewDirection")},"vec3").once(["POSITION"])();class Tc extends pi{static get type(){return"FrontFacingNode"}constructor(){super("bool"),this.isFrontFacingNode=!0}generate(e){if("fragment"!==e.shaderStage)return"true";const{material:t}=e;return t.side===F?"false":e.getFrontFacing()}}const _c=ln(Tc),vc=Tn(_c).mul(2).sub(1),Nc=gn(([e],{material:t})=>{const r=t.side;return r===F?e=e.mul(-1):r===P&&(e=e.mul(vc)),e}),Sc=Wl("normal","vec3"),Rc=gn(e=>!1===e.geometry.hasAttribute("normal")?(d('TSL: Vertex attribute "normal" not found on geometry.'),An(0,1,0)):Sc,"vec3").once()().toVar("normalLocal"),Ec=bc.dFdx().cross(bc.dFdy()).normalize().toVar("normalFlat"),wc=gn(e=>{let t;return t=e.isFlatShading()?Ec:Fc(Rc).toVarying("v_normalViewGeometry").normalize(),t},"vec3").once()().toVar("normalViewGeometry"),Ac=gn(e=>{let t=wc.transformDirection(kd);return!0!==e.isFlatShading()&&(t=t.toVarying("v_normalWorldGeometry")),t.normalize().toVar("normalWorldGeometry")},"vec3").once()(),Cc=gn(e=>{let t;return"NORMAL"===e.subBuildFn||"VERTEX"===e.subBuildFn?(t=wc,!0!==e.isFlatShading()&&(t=Nc(t))):t=e.context.setupNormal().context({getUV:null,getTextureLevel:null}),t},"vec3").once(["NORMAL","VERTEX"])().toVar("normalView"),Mc=Cc.transformDirection(kd).toVar("normalWorld"),Bc=gn(({subBuildFn:e,context:t})=>{let r;return r="NORMAL"===e||"VERTEX"===e?Cc:t.setupClearcoatNormal().context({getUV:null,getTextureLevel:null}),r},"vec3").once(["NORMAL","VERTEX"])().toVar("clearcoatNormalView"),Lc=gn(([e,t=tc])=>{const r=In(t),s=e.div(An(r[0].dot(r[0]),r[1].dot(r[1]),r[2].dot(r[2])));return r.mul(s).xyz}),Fc=gn(([e],t)=>{const r=t.context.modelNormalViewMatrix;if(r)return r.transformDirection(e);const s=ac.mul(e);return kd.transformDirection(s)}),Pc=gn(()=>(d('TSL: "transformedNormalView" is deprecated. Use "normalView" instead.'),Cc)).once(["NORMAL","VERTEX"])(),Uc=gn(()=>(d('TSL: "transformedNormalWorld" is deprecated. Use "normalWorld" instead.'),Mc)).once(["NORMAL","VERTEX"])(),Dc=gn(()=>(d('TSL: "transformedClearcoatNormalView" is deprecated. Use "clearcoatNormalView" instead.'),Bc)).once(["NORMAL","VERTEX"])(),Ic=new a,Oc=Aa(0).onReference(({material:e})=>e).onObjectUpdate(({material:e})=>e.refractionRatio),Vc=Aa(1).onReference(({material:e})=>e).onObjectUpdate(function({material:e,scene:t}){return e.envMap?e.envMapIntensity:t.environmentIntensity}),kc=Aa(new a).onReference(function(e){return e.material}).onObjectUpdate(function({material:e,scene:t}){const r=null!==t.environment&&null===e.envMap?t.environmentRotation:e.envMapRotation;return r?Ic.makeRotationFromEuler(r).transpose():Ic.identity(),Ic}),Gc=xc.negate().reflect(Cc),$c=xc.negate().refract(Cc,Oc),zc=Gc.transformDirection(kd).toVar("reflectVector"),Wc=$c.transformDirection(kd).toVar("reflectVector"),Hc=new U;class jc extends Zl{static get type(){return"CubeTextureNode"}constructor(e,t=null,r=null,s=null){super(e,t,r,s),this.isCubeTextureNode=!0}getInputType(){return!0===this.value.isDepthTexture?"cubeDepthTexture":"cubeTexture"}getDefaultUV(){const e=this.value;return e.mapping===D?zc:e.mapping===I?Wc:(o('CubeTextureNode: Mapping "%s" not supported.',e.mapping),An(0,0,0))}setUpdateMatrix(){}setupUV(e,t){const r=this.value;return!0===r.isDepthTexture?e.renderer.coordinateSystem===h?An(t.x,t.y.negate(),t.z):t:(t=kc.mul(t),e.renderer.coordinateSystem!==h&&r.isRenderTargetTexture||(t=An(t.x.negate(),t.yz)),t)}generateUV(e,t){return t.build(e,!0===this.sampler?"vec3":"ivec3")}}const qc=un(jc).setParameterLength(1,4).setName("cubeTexture"),Xc=(e=Hc,t=null,r=null,s=null)=>{let i;return e&&!0===e.isCubeTextureNode?(i=sn(e.clone()),i.referenceNode=e,null!==t&&(i.uvNode=sn(t)),null!==r&&(i.levelNode=sn(r)),null!==s&&(i.biasNode=sn(s))):i=qc(e,t,r,s),i};class Yc extends gi{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}generateNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(e),s=this.getNodeType(e);return e.format(t,r,s)}}class Kc extends pi{static get type(){return"ReferenceNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.name=null,this.updateType=ii.OBJECT}element(e){return new Yc(this,sn(e))}setGroup(e){return this.group=e,this}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.'),this.setName(e)}setNodeType(e){let t=null;t=null!==this.count?sd(null,e,this.count):Array.isArray(this.getValueFromReference())?ad(null,e):"texture"===e?ed(null):"cubeTexture"===e?Xc(null):Aa(null,e),null!==this.group&&t.setGroup(this.group),null!==this.name&&t.setName(this.name),this.node=t}generateNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;e<t.length;e++)r=r[t[e]];return r}updateReference(e){return this.reference=null!==this.object?this.object:e.object,this.reference}setup(){return this.updateValue(),this.node}update(){this.updateValue()}updateValue(){null===this.node&&this.setNodeType(this.uniformType);const e=this.getValueFromReference();Array.isArray(e)?this.node.array=e:this.node.value=e}}const Qc=(e,t,r)=>new Kc(e,t,r),Zc=(e,t,r,s)=>new Kc(e,t,s,r);class Jc extends Kc{static get type(){return"MaterialReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.material=r,this.isMaterialReferenceNode=!0}updateReference(e){return this.reference=null!==this.material?this.material:e.material,this.reference}}const eh=(e,t,r=null)=>new Jc(e,t,r),th=Hl(),rh=bc.dFdx(),sh=bc.dFdy(),ih=th.dFdx(),nh=th.dFdy(),ah=Cc,oh=sh.cross(ah),uh=ah.cross(rh),lh=oh.mul(ih.x).add(uh.mul(nh.x)),dh=oh.mul(ih.y).add(uh.mul(nh.y)),ch=lh.dot(lh).max(dh.dot(dh)),hh=ch.equal(0).select(0,ch.inverseSqrt()),ph=lh.mul(hh).toVar("tangentViewFrame"),gh=dh.mul(hh).toVar("bitangentViewFrame"),mh=Wl("tangent","vec4"),fh=mh.xyz.toVar("tangentLocal"),yh=gn(e=>{let t;return t="VERTEX"===e.subBuildFn||e.geometry.hasAttribute("tangent")?uc.mul(Ln(fh,0)).xyz.toVarying("v_tangentView").normalize():ph,!0!==e.isFlatShading()&&(t=Nc(t)),t},"vec3").once(["NORMAL","VERTEX"])().toVar("tangentView"),bh=yh.transformDirection(kd).toVarying("v_tangentWorld").normalize().toVar("tangentWorld"),xh=gn(([e,t],r)=>{let s=e.mul(mh.w).xyz;return"NORMAL"===r.subBuildFn&&!0!==r.isFlatShading()&&(s=s.toVarying(t)),s}).once(["NORMAL"]),Th=xh(Sc.cross(mh),"v_bitangentGeometry").normalize().toVar("bitangentGeometry"),_h=xh(Rc.cross(fh),"v_bitangentLocal").normalize().toVar("bitangentLocal"),vh=gn(e=>{let t;return t="VERTEX"===e.subBuildFn||e.geometry.hasAttribute("tangent")?xh(Cc.cross(yh),"v_bitangentView").normalize():gh,!0!==e.isFlatShading()&&(t=Nc(t)),t},"vec3").once(["NORMAL","VERTEX"])().toVar("bitangentView"),Nh=xh(Mc.cross(bh),"v_bitangentWorld").normalize().toVar("bitangentWorld"),Sh=In(yh,vh,Cc).toVar("TBNViewMatrix"),Rh=xc.mul(Sh),Eh=gn(()=>{let e=na.cross(xc);return e=e.cross(na).normalize(),e=yu(e,Cc,sa.mul(qn.oneMinus()).oneMinus().pow2().pow2()).normalize(),e}).once()(),wh=e=>sn(e).mul(.5).add(.5),Ah=e=>sn(e).mul(2).sub(1),Ch=e=>An(e,So(xu(Tn(1).sub(uu(e,e)))));class Mh extends fi{static get type(){return"NormalMapNode"}constructor(e,t=null){super("vec3"),this.node=e,this.scaleNode=t,this.normalMapType=O,this.unpackNormalMode=V}setup(e){const{normalMapType:t,scaleNode:r,unpackNormalMode:s}=this;let i=this.node.mul(2).sub(1);if(t===O?s===k?i=Ch(i.xy):s===G?i=Ch(i.yw):s!==V&&o(`THREE.NodeMaterial: Unexpected unpack normal mode: ${s}`):s!==V&&o(`THREE.NodeMaterial: Normal map type '${t}' is not compatible with unpack normal mode '${s}'`),null!==r){let t=r;!0===e.isFlatShading()&&(t=Nc(t)),i=An(i.xy.mul(t),i.z)}let n=null;return t===$?n=Fc(i):t===O?n=Sh.mul(i).normalize():(o(`NodeMaterial: Unsupported normal map type: ${t}`),n=Cc),n}}const Bh=un(Mh).setParameterLength(1,2),Lh=gn(({textureNode:e,bumpScale:t})=>{const r=t=>e.isolate().context({getUV:e=>t(e.uvNode||Hl()),forceUVContext:!0}),s=Tn(r(e=>e));return Sn(Tn(r(e=>e.add(e.dFdx()))).sub(s),Tn(r(e=>e.add(e.dFdy()))).sub(s)).mul(t)}),Fh=gn(e=>{const{surf_pos:t,surf_norm:r,dHdxy:s}=e,i=t.dFdx().normalize(),n=r,a=t.dFdy().normalize().cross(n),o=n.cross(i),u=i.dot(a).mul(vc),l=u.sign().mul(s.x.mul(a).add(s.y.mul(o)));return u.abs().mul(r).sub(l).normalize()});class Ph extends fi{static get type(){return"BumpMapNode"}constructor(e,t=null){super("vec3"),this.textureNode=e,this.scaleNode=t}setup(){const e=null!==this.scaleNode?this.scaleNode:1,t=Lh({textureNode:this.textureNode,bumpScale:e});return Fh({surf_pos:bc,surf_norm:Cc,dHdxy:t})}}const Uh=un(Ph).setParameterLength(1,2),Dh=new Map;class Ih extends pi{static get type(){return"MaterialNode"}constructor(e){super(),this.scope=e}getCache(e,t){let r=Dh.get(e);return void 0===r&&(r=eh(e,t),Dh.set(e,r)),r}getFloat(e){return this.getCache(e,"float")}getColor(e){return this.getCache(e,"color")}getTexture(e){return this.getCache("map"===e?"map":e+"Map","texture")}setup(e){const t=e.context.material,r=this.scope;let s=null;if(r===Ih.COLOR){const e=void 0!==t.color?this.getColor(r):An();s=t.map&&!0===t.map.isTexture?e.mul(this.getTexture("map")):e}else if(r===Ih.OPACITY){const e=this.getFloat(r);s=t.alphaMap&&!0===t.alphaMap.isTexture?e.mul(this.getTexture("alpha")):e}else if(r===Ih.SPECULAR_STRENGTH)s=t.specularMap&&!0===t.specularMap.isTexture?this.getTexture("specular").r:Tn(1);else if(r===Ih.SPECULAR_INTENSITY){const e=this.getFloat(r);s=t.specularIntensityMap&&!0===t.specularIntensityMap.isTexture?e.mul(this.getTexture(r).a):e}else if(r===Ih.SPECULAR_COLOR){const e=this.getColor(r);s=t.specularColorMap&&!0===t.specularColorMap.isTexture?e.mul(this.getTexture(r).rgb):e}else if(r===Ih.ROUGHNESS){const e=this.getFloat(r);s=t.roughnessMap&&!0===t.roughnessMap.isTexture?e.mul(this.getTexture(r).g):e}else if(r===Ih.METALNESS){const e=this.getFloat(r);s=t.metalnessMap&&!0===t.metalnessMap.isTexture?e.mul(this.getTexture(r).b):e}else if(r===Ih.EMISSIVE){const e=this.getFloat("emissiveIntensity"),i=this.getColor(r).mul(e);s=t.emissiveMap&&!0===t.emissiveMap.isTexture?i.mul(this.getTexture(r)):i}else if(r===Ih.NORMAL)t.normalMap?(s=Bh(this.getTexture("normal"),this.getCache("normalScale","vec2")),s.normalMapType=t.normalMapType,t.normalMap.format!=z&&t.normalMap.format!=W&&t.normalMap.format!=H||(s.unpackNormalMode=k)):s=t.bumpMap?Uh(this.getTexture("bump").r,this.getFloat("bumpScale")):Cc;else if(r===Ih.CLEARCOAT){const e=this.getFloat(r);s=t.clearcoatMap&&!0===t.clearcoatMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===Ih.CLEARCOAT_ROUGHNESS){const e=this.getFloat(r);s=t.clearcoatRoughnessMap&&!0===t.clearcoatRoughnessMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===Ih.CLEARCOAT_NORMAL)s=t.clearcoatNormalMap?Bh(this.getTexture(r),this.getCache(r+"Scale","vec2")):Cc;else if(r===Ih.SHEEN){const e=this.getColor("sheenColor").mul(this.getFloat("sheen"));s=t.sheenColorMap&&!0===t.sheenColorMap.isTexture?e.mul(this.getTexture("sheenColor").rgb):e}else if(r===Ih.SHEEN_ROUGHNESS){const e=this.getFloat(r);s=t.sheenRoughnessMap&&!0===t.sheenRoughnessMap.isTexture?e.mul(this.getTexture(r).a):e,s=s.clamp(1e-4,1)}else if(r===Ih.ANISOTROPY)if(t.anisotropyMap&&!0===t.anisotropyMap.isTexture){const e=this.getTexture(r);s=Dn(_p.x,_p.y,_p.y.negate(),_p.x).mul(e.rg.mul(2).sub(Sn(1)).normalize().mul(e.b))}else s=_p;else if(r===Ih.IRIDESCENCE_THICKNESS){const e=Qc("1","float",t.iridescenceThicknessRange);if(t.iridescenceThicknessMap){const i=Qc("0","float",t.iridescenceThicknessRange);s=e.sub(i).mul(this.getTexture(r).g).add(i)}else s=e}else if(r===Ih.TRANSMISSION){const e=this.getFloat(r);s=t.transmissionMap?e.mul(this.getTexture(r).r):e}else if(r===Ih.THICKNESS){const e=this.getFloat(r);s=t.thicknessMap?e.mul(this.getTexture(r).g):e}else if(r===Ih.IOR)s=this.getFloat(r);else if(r===Ih.LIGHT_MAP)s=t.lightMap?this.getTexture(r).rgb.mul(this.getFloat("lightMapIntensity")):An(0);else if(r===Ih.AO)s=t.aoMap?this.getTexture(r).r.sub(1).mul(this.getFloat("aoMapIntensity")).add(1):Tn(1);else if(r===Ih.LINE_DASH_OFFSET)s=t.dashOffset?this.getFloat(r):Tn(0);else{const t=this.getNodeType(e);s=this.getCache(r,t)}return s}}Ih.ALPHA_TEST="alphaTest",Ih.COLOR="color",Ih.OPACITY="opacity",Ih.SHININESS="shininess",Ih.SPECULAR="specular",Ih.SPECULAR_STRENGTH="specularStrength",Ih.SPECULAR_INTENSITY="specularIntensity",Ih.SPECULAR_COLOR="specularColor",Ih.REFLECTIVITY="reflectivity",Ih.ROUGHNESS="roughness",Ih.METALNESS="metalness",Ih.NORMAL="normal",Ih.CLEARCOAT="clearcoat",Ih.CLEARCOAT_ROUGHNESS="clearcoatRoughness",Ih.CLEARCOAT_NORMAL="clearcoatNormal",Ih.EMISSIVE="emissive",Ih.ROTATION="rotation",Ih.SHEEN="sheen",Ih.SHEEN_ROUGHNESS="sheenRoughness",Ih.ANISOTROPY="anisotropy",Ih.IRIDESCENCE="iridescence",Ih.IRIDESCENCE_IOR="iridescenceIOR",Ih.IRIDESCENCE_THICKNESS="iridescenceThickness",Ih.IOR="ior",Ih.TRANSMISSION="transmission",Ih.THICKNESS="thickness",Ih.ATTENUATION_DISTANCE="attenuationDistance",Ih.ATTENUATION_COLOR="attenuationColor",Ih.LINE_SCALE="scale",Ih.LINE_DASH_SIZE="dashSize",Ih.LINE_GAP_SIZE="gapSize",Ih.LINE_WIDTH="linewidth",Ih.LINE_DASH_OFFSET="dashOffset",Ih.POINT_SIZE="size",Ih.DISPERSION="dispersion",Ih.LIGHT_MAP="light",Ih.AO="ao";const Oh=ln(Ih,Ih.ALPHA_TEST),Vh=ln(Ih,Ih.COLOR),kh=ln(Ih,Ih.SHININESS),Gh=ln(Ih,Ih.EMISSIVE),$h=ln(Ih,Ih.OPACITY),zh=ln(Ih,Ih.SPECULAR),Wh=ln(Ih,Ih.SPECULAR_INTENSITY),Hh=ln(Ih,Ih.SPECULAR_COLOR),jh=ln(Ih,Ih.SPECULAR_STRENGTH),qh=ln(Ih,Ih.REFLECTIVITY),Xh=ln(Ih,Ih.ROUGHNESS),Yh=ln(Ih,Ih.METALNESS),Kh=ln(Ih,Ih.NORMAL),Qh=ln(Ih,Ih.CLEARCOAT),Zh=ln(Ih,Ih.CLEARCOAT_ROUGHNESS),Jh=ln(Ih,Ih.CLEARCOAT_NORMAL),ep=ln(Ih,Ih.ROTATION),tp=ln(Ih,Ih.SHEEN),rp=ln(Ih,Ih.SHEEN_ROUGHNESS),sp=ln(Ih,Ih.ANISOTROPY),ip=ln(Ih,Ih.IRIDESCENCE),np=ln(Ih,Ih.IRIDESCENCE_IOR),ap=ln(Ih,Ih.IRIDESCENCE_THICKNESS),op=ln(Ih,Ih.TRANSMISSION),up=ln(Ih,Ih.THICKNESS),lp=ln(Ih,Ih.IOR),dp=ln(Ih,Ih.ATTENUATION_DISTANCE),cp=ln(Ih,Ih.ATTENUATION_COLOR),hp=ln(Ih,Ih.LINE_SCALE),pp=ln(Ih,Ih.LINE_DASH_SIZE),gp=ln(Ih,Ih.LINE_GAP_SIZE),mp=ln(Ih,Ih.LINE_WIDTH),fp=ln(Ih,Ih.LINE_DASH_OFFSET),yp=ln(Ih,Ih.POINT_SIZE),bp=ln(Ih,Ih.DISPERSION),xp=ln(Ih,Ih.LIGHT_MAP),Tp=ln(Ih,Ih.AO),_p=Aa(new t).onReference(function(e){return e.material}).onRenderUpdate(function({material:e}){this.value.set(e.anisotropy*Math.cos(e.anisotropyRotation),e.anisotropy*Math.sin(e.anisotropyRotation))}),vp=gn(e=>e.context.setupModelViewProjection(),"vec4").once()().toVarying("v_modelViewProjection");class Np extends pi{static get type(){return"EventNode"}constructor(e,t){super("void"),this.eventType=e,this.callback=t,e===Np.OBJECT?this.updateType=ii.OBJECT:e===Np.MATERIAL?this.updateType=ii.RENDER:e===Np.FRAME?this.updateType=ii.FRAME:e===Np.BEFORE_OBJECT?this.updateBeforeType=ii.OBJECT:e===Np.BEFORE_MATERIAL?this.updateBeforeType=ii.RENDER:e===Np.BEFORE_FRAME&&(this.updateBeforeType=ii.FRAME)}update(e){this.callback(e)}updateBefore(e){this.callback(e)}}Np.OBJECT="object",Np.MATERIAL="material",Np.FRAME="frame",Np.BEFORE_OBJECT="beforeObject",Np.BEFORE_MATERIAL="beforeMaterial",Np.BEFORE_FRAME="beforeFrame";const Sp=(e,t)=>new Np(e,t).toStack(),Rp=e=>Sp(Np.OBJECT,e),Ep=e=>Sp(Np.FRAME,e);class wp extends gi{static get type(){return"StorageArrayElementNode"}constructor(e,t){super(e,t),this.isStorageArrayElementNode=!0}set storageBufferNode(e){this.node=e}get storageBufferNode(){return this.node}getMemberType(e,t){const r=this.storageBufferNode.structTypeNode;return r?r.getMemberType(e,t):"void"}setup(e){return!1===e.isAvailable("storageBuffer")&&!0===this.node.isPBO&&e.setupPBO(this.node),super.setup(e)}generate(e,t){let r;const s=e.isContextAssign();if(r=!1===e.isAvailable("storageBuffer")?!0!==this.node.isPBO||!0===s||!this.node.value.isInstancedBufferAttribute&&"compute"===e.shaderStage?this.node.build(e):e.generatePBO(this):super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}const Ap=un(wp).setParameterLength(2);class Cp extends rd{static get type(){return"StorageBufferNode"}constructor(e,t=null,r=0){let s,i=null;t&&t.isStructTypeNode?(s="struct",i=t,(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)&&(r=e.count)):null===t&&(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)?(s=js(e.itemSize),r=e.count):s=t,super(e,s,r),this.isStorageBufferNode=!0,this.structTypeNode=i,this.access=ai.READ_WRITE,this.isAtomic=!1,this.isPBO=!1,this._attribute=null,this._varying=null,this.global=!0,!0!==e.isStorageBufferAttribute&&!0!==e.isStorageInstancedBufferAttribute&&(e.isInstancedBufferAttribute?e.isStorageInstancedBufferAttribute=!0:e.isStorageBufferAttribute=!0)}getHash(e){let t;if(0===this.bufferCount){let r=e.globalCache.getData(this.value);void 0===r&&(r={node:this},e.globalCache.setData(this.value,r)),t=r.node.id}else t=this.id;return String(t)}getInputType(){return this.value.isIndirectStorageBufferAttribute?"indirectStorageBuffer":"storageBuffer"}element(e){return Ap(this,e)}setPBO(e){return this.isPBO=e,this}getPBO(){return this.isPBO}setAccess(e){return this.access=e,this}toReadOnly(){return this.setAccess(ai.READ_ONLY)}setAtomic(e){return this.isAtomic=e,this}toAtomic(){return this.setAtomic(!0)}getAttributeData(){return null===this._attribute&&(this._attribute=cl(this.value),this._varying=ju(this._attribute)),{attribute:this._attribute,varying:this._varying}}generateNodeType(e){if(null!==this.structTypeNode)return this.structTypeNode.getNodeType(e);if(e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.generateNodeType(e);const{attribute:t}=this.getAttributeData();return t.getNodeType(e)}getMemberType(e,t){return null!==this.structTypeNode?this.structTypeNode.getMemberType(e,t):"void"}generate(e){if(null!==this.structTypeNode&&this.structTypeNode.build(e),e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.generate(e);const{attribute:t,varying:r}=this.getAttributeData(),s=r.build(e);return e.registerTransform(s,t),s}}const Mp=(e,t=null,r=0)=>new Cp(e,t,r),Bp=new WeakMap,Lp=new WeakMap,Fp=new WeakMap;function Pp(e,t,r){let s;if(!0===t.isStorageInstancedBufferAttribute)s=Mp(t,"mat4",Math.max(r,1)).element(fl);else{if(16*r*4<=e.getUniformBufferLimit())s=sd(t.array,"mat4",Math.max(r,1)).element(fl);else{let e=Bp.get(t);e||(e=new q(t.array,16,1),Bp.set(t,e));const r=t.usage===x?pl:hl,i=[r(e,"vec4",16,0),r(e,"vec4",16,4),r(e,"vec4",16,8),r(e,"vec4",16,12)];s=On(...i)}}return s}const Up=zn("vec3","vInstanceColor"),Dp=gn(([e,t,r=null],s)=>{e=e.value;const i=!0===t.isStorageInstancedBufferAttribute,n=r&&!0===r.isStorageInstancedBufferAttribute,a=Pp(s,t,e);let o=null;if(!i){16*e*4>s.getUniformBufferLimit()&&(o=Bp.get(t))}let u=null,l=null;if(r)if(n)u=Mp(r,"vec3",Math.max(r.count,1)).element(fl);else{let e=Lp.get(r);e||(e=new j(r.array,3),Lp.set(r,e)),l=e;const t=r.usage===x?pl:hl;u=An(t(e,"vec3",3,0))}null===o&&null===l||Ep(()=>{null!==o&&(o.clearUpdateRanges(),o.updateRanges.push(...t.updateRanges),t.version!==o.version&&(o.version=t.version)),r&&null!==l&&(l.clearUpdateRanges(),l.updateRanges.push(...r.updateRanges),r.version!==l.version&&(l.version=r.version))});const d=a.mul(gc).xyz;if(gc.assign(d),s.needsPreviousData()){const r=s.object;Rp(({object:e})=>{Fp.get(e).previousInstanceMatrix.array.set(t.array)});const i=function(e,t,r,s){let i=Fp.get(e);if(void 0===i){const n=t.clone();i={previousInstanceMatrix:n,node:Pp(r,n,s)},Fp.set(e,i)}return i.node}(r,t,s,e);mc.assign(i.mul(mc).xyz)}if(s.hasGeometryAttribute("normal")){const e=Lc(Rc,a);Rc.assign(e)}null!==u&&Up.assign(u)},"void"),Ip=gn(([e])=>{const{count:t,instanceMatrix:r,instanceColor:s}=e;Dp(t,r,s)},"void"),Op=gn(([e,t])=>{const r=_n(ql(td(e),0).x).toConst(),s=_n(t),i=s.mod(r).toConst(),n=s.div(r).toConst();return td(e,Rn(i,n)).rgb}),Vp=gn(([e,t])=>{const r=_n(ql(td(e),0).x).toConst(),s=_n(t).mod(r).toConst(),i=_n(t).div(r).toConst();return td(e,Rn(s,i)).x}),kp=zn("vec3","vBatchColor"),Gp=gn(([e],t)=>{const r=null===t.getDrawIndex()?fl:Tl,s=Vp(e._indirectTexture,_n(r)),i=e._matricesTexture,n=_n(ql(td(i),0).x).toConst(),a=Tn(s).mul(4).toInt().toConst(),o=a.mod(n).toConst(),u=a.div(n).toConst(),l=On(td(i,Rn(o,u)),td(i,Rn(o.add(1),u)),td(i,Rn(o.add(2),u)),td(i,Rn(o.add(3),u))),d=e._colorsTexture;if(null!==d){const e=Op(d,s);kp.assign(e)}const c=In(l);gc.assign(l.mul(gc));const h=Rc.div(An(c[0].dot(c[0]),c[1].dot(c[1]),c[2].dot(c[2]))),p=c.mul(h).xyz;Rc.assign(p),t.hasGeometryAttribute("tangent")&&fh.mulAssign(c)},"void"),$p=new WeakMap,zp=new WeakMap;function Wp(e,t,r,s,i,n){const a=e.element(i.x),o=e.element(i.y),u=e.element(i.z),l=e.element(i.w),d=r.mul(t),c=Ia(a.mul(n.x).mul(d),o.mul(n.y).mul(d),u.mul(n.z).mul(d),l.mul(n.w).mul(d));return s.mul(c).xyz}function Hp(e,t,r,s,i,n,a){const o=e.element(n.x),u=e.element(n.y),l=e.element(n.z),d=e.element(n.w);let c=Ia(a.x.mul(o),a.y.mul(u),a.z.mul(l),a.w.mul(d));c=i.mul(c).mul(s);return{skinNormal:c.transformDirection(t).xyz,skinTangent:c.transformDirection(r).xyz}}function jp(e,t,r,s,i){const n=e.skeleton;let a=zp.get(n);if(void 0===a){n.update();const e=new Float32Array(n.boneMatrices);a={previousBoneMatrices:e,node:sd(e,"mat4",n.bones.length)},zp.set(n,a)}return Wp(a.node,mc,t,r,s,i)}const qp=gn(([e],t)=>{const r=Wl("skinIndex","uvec4"),s=Wl("skinWeight","vec4"),i=Qc("bindMatrix","mat4"),n=Qc("bindMatrixInverse","mat4"),a=Zc("skeleton.boneMatrices","mat4",e.skeleton.bones.length);if(Rp(({object:e,frameId:t})=>{const r=e.skeleton;if($p.get(r)!==t){$p.set(r,t);const e=zp.get(r);void 0!==e&&e.previousBoneMatrices.set(r.boneMatrices),r.update()}}),t.needsPreviousData()){const t=jp(e,i,n,r,s);mc.assign(t)}const o=Wp(a,gc,i,n,r,s);if(gc.assign(o),t.hasGeometryAttribute("normal")){const{skinNormal:e,skinTangent:o}=Hp(a,Rc,fh,i,n,r,s);Rc.assign(e),t.hasGeometryAttribute("tangent")&&fh.assign(o)}},"void"),Xp=gn(([e,t=null],r)=>{const s=Mp(new j(e.geometry.getAttribute("position").array,3),"vec3").setPBO(!0).toReadOnly().element(fl).toVar(),i=Mp(new j(new Uint32Array(e.geometry.getAttribute("skinIndex").array),4),"uvec4").setPBO(!0).toReadOnly().element(fl).toVar(),n=Mp(new j(e.geometry.getAttribute("skinWeight").array,4),"vec4").setPBO(!0).toReadOnly().element(fl).toVar(),a=Aa(e.bindMatrix,"mat4"),o=Aa(e.bindMatrixInverse,"mat4"),u=sd(e.skeleton.boneMatrices,"mat4",e.skeleton.bones.length),l=e.skeleton;if(Rp(({frameId:e})=>{if($p.get(l)!==e){$p.set(l,e);const t=zp.get(l);void 0!==t&&t.previousBoneMatrices.set(l.boneMatrices),l.update()}}),r.needsPreviousData()){const t=jp(e,a,o,i,n);mc.assign(t)}const d=Wp(u,s,a,o,i,n);if(null!==t&&t.assign(d),r.hasGeometryAttribute("normal")){const{skinNormal:e,skinTangent:t}=Hp(u,Rc,fh,a,o,i,n);Rc.assign(e),r.hasGeometryAttribute("tangent")&&fh.assign(t)}return d});class Yp extends pi{static get type(){return"LoopNode"}constructor(e=[]){super("void"),this.params=e}getVarName(e){return String.fromCharCode("i".charCodeAt(0)+e)}getProperties(e){const t=e.getNodeProperties(this);if(void 0!==t.stackNode)return t;const r={};for(let e=0,t=this.params.length-1;e<t;e++){const t=this.params[e],s=!0!==t.isNode&&t.name||this.getVarName(e),i=!0!==t.isNode&&t.type||"int";r[s]=Ll(s,i)}const s=e.addStack(),i=this.params[this.params.length-1](r);t.returnsNode=i.context({nodeLoop:i}),t.stackNode=s;const n=this.params[0];if(!0!==n.isNode&&"function"==typeof n.update){const e=gn(this.params[0].update)(r);t.updateNode=e.context({nodeLoop:e})}return e.removeStack(),t}setup(e){if(this.getProperties(e),e.fnCall){e.getDataFromNode(e.fnCall.shaderNode).hasLoop=!0}}generate(e){const t=this.getProperties(e),r=this.params,s=t.stackNode;for(let s=0,i=r.length-1;s<i;s++){const i=r[s];let n,a=!1,u=null,l=null,d=null,c=null,h=null,p=null;if(i.isNode?"bool"===i.getNodeType(e)?(a=!0,c="bool",l=i.build(e,c)):(c="int",d=this.getVarName(s),u="0",l=i.build(e,c),h="<"):(c=i.type||"int",d=i.name||this.getVarName(s),u=i.start,l=i.end,h=i.condition,p=i.update,"number"==typeof u?u=e.generateConst(c,u):u&&u.isNode&&(u=u.build(e,c)),"number"==typeof l?l=e.generateConst(c,l):l&&l.isNode&&(l=l.build(e,c)),void 0!==u&&void 0===l?(u+=" - 1",l="0",h=">="):void 0!==l&&void 0===u&&(u="0",h="<"),void 0===h&&(h=Number(u)>Number(l)?">=":"<")),a)n=`while ( ${l} )`;else{const r={start:u,end:l},s=r.start,i=r.end;let a;const g=()=>h.includes("<")?"+=":"-=";if(null!=p)switch(typeof p){case"function":a=e.flowStagesNode(t.updateNode,"void").code.replace(/\t|;/g,"");break;case"number":a=d+" "+g()+" "+e.generateConst(c,p);break;case"string":a=d+" "+p;break;default:p.isNode?a=d+" "+g()+" "+p.build(e):(o("TSL: 'Loop( { update: ... } )' is not a function, string or number.",this.stackTrace),a="break /* invalid update */")}else p="int"===c||"uint"===c?h.includes("<")?"++":"--":g()+" 1.",a=d+" "+p;n=`for ( ${e.getVar(c,d)+" = "+s}; ${d+" "+h+" "+i}; ${a} )`}e.addFlowCode((0===s?"\n":"")+e.tab+n+" {\n\n").addFlowTab()}const i=s.build(e,"void");t.returnsNode.build(e,"void"),e.removeFlowTab().addFlowCode("\n"+e.tab+i);for(let t=0,r=this.params.length-1;t<r;t++)e.addFlowCode((0===t?"":e.tab)+"}\n\n").removeFlowTab();e.addFlowTab()}}const Kp=(...e)=>new Yp(on(e,"int")).toStack(),Qp=()=>Ll("break").toStack(),Zp=new WeakMap,Jp=new s,eg=new WeakMap,tg=gn(({bufferMap:e,influence:t,stride:r,width:s,depth:i,offset:n})=>{const a=_n(ml).mul(r).add(n),o=a.div(s),u=a.sub(o.mul(s));return td(e,Rn(u,o)).depth(i).xyz.mul(t)});const rg=Qc("morphTargetInfluences","float"),sg=gn(([e])=>{const{geometry:r}=e,s=void 0!==r.morphAttributes.position,i=r.hasAttribute("normal")&&void 0!==r.morphAttributes.normal,n=r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color,a=void 0!==n?n.length:0;if(0===a)return;let o=eg.get(e);o||(o=Aa(1),eg.set(e,o),Rp(({object:e})=>{e.geometry.morphTargetsRelative?o.value=1:o.value=1-e.morphTargetInfluences.reduce((e,t)=>e+t,0)}));const{texture:u,stride:l,size:d}=function(e){const r=void 0!==e.morphAttributes.position,s=void 0!==e.morphAttributes.normal,i=void 0!==e.morphAttributes.color,n=e.morphAttributes.position||e.morphAttributes.normal||e.morphAttributes.color,a=void 0!==n?n.length:0;let o=Zp.get(e);if(void 0===o||o.count!==a){void 0!==o&&o.texture.dispose();const u=e.morphAttributes.position||[],l=e.morphAttributes.normal||[],d=e.morphAttributes.color||[];let c=0;!0===r&&(c=1),!0===s&&(c=2),!0===i&&(c=3);let h=e.attributes.position.count*c,p=1;const g=4096;h>g&&(p=Math.ceil(h/g),h=g);const m=new Float32Array(h*p*4*a),f=new X(m,h,p,a);f.type=Y,f.needsUpdate=!0;const y=4*c;for(let x=0;x<a;x++){const T=u[x],_=l[x],v=d[x],N=h*p*4*x;for(let S=0;S<T.count;S++){const R=S*y;!0===r&&(Jp.fromBufferAttribute(T,S),m[N+R+0]=Jp.x,m[N+R+1]=Jp.y,m[N+R+2]=Jp.z,m[N+R+3]=0),!0===s&&(Jp.fromBufferAttribute(_,S),m[N+R+4]=Jp.x,m[N+R+5]=Jp.y,m[N+R+6]=Jp.z,m[N+R+7]=0),!0===i&&(Jp.fromBufferAttribute(v,S),m[N+R+8]=Jp.x,m[N+R+9]=Jp.y,m[N+R+10]=Jp.z,m[N+R+11]=4===v.itemSize?Jp.w:1)}}function b(){f.dispose(),Zp.delete(e),e.removeEventListener("dispose",b)}o={count:a,texture:f,stride:c,size:new t(h,p)},Zp.set(e,o),e.addEventListener("dispose",b)}return o}(r);!0===s&&gc.mulAssign(o),!0===i&&Rc.mulAssign(o);const c=_n(d.width);Kp(a,({i:t})=>{const r=Tn(0).toVar();e.count>1&&null!==e.morphTexture&&void 0!==e.morphTexture?r.assign(td(e.morphTexture,Rn(_n(t).add(1),_n(fl))).r):r.assign(rg.element(t).toVar()),yn(r.notEqual(0),()=>{!0===s&&gc.addAssign(tg({bufferMap:u,influence:r,stride:l,width:c,depth:t,offset:_n(0)})),!0===i&&Rc.addAssign(tg({bufferMap:u,influence:r,stride:l,width:c,depth:t,offset:_n(1)}))})})},"void");class ig extends pi{static get type(){return"LightingNode"}constructor(){super("vec3"),this.isLightingNode=!0}}class ng extends ig{static get type(){return"AONode"}constructor(e=null){super(),this.aoNode=e}setup(e){e.context.ambientOcclusion.mulAssign(this.aoNode)}}class ag extends Bu{static get type(){return"LightingContextNode"}constructor(e,t=null,r=[],s=null,i=null){super(e),this.lightingModel=t,this.materialLightings=r,this.backdropNode=s,this.backdropAlphaNode=i,this._value=null}getContext(){const{materialLightings:e,backdropNode:t,backdropAlphaNode:r}=this,s={directDiffuse:An().toVar("directDiffuse"),directSpecular:An().toVar("directSpecular"),indirectDiffuse:An().toVar("indirectDiffuse"),indirectSpecular:An().toVar("indirectSpecular")};return{radiance:An().toVar("radiance"),irradiance:An().toVar("irradiance"),iblIrradiance:An().toVar("iblIrradiance"),ambientOcclusion:Tn(1).toVar("ambientOcclusion"),reflectedLight:s,materialLightings:e,backdrop:t,backdropAlpha:r}}setup(e){return this.value=this._value||(this._value=this.getContext()),this.value.lightingModel=this.lightingModel||e.context.lightingModel,super.setup(e)}}const og=un(ag);class ug extends ig{static get type(){return"IrradianceNode"}constructor(e){super(),this.node=e}setup(e){e.context.irradiance.addAssign(this.node)}}const lg=new t;class dg extends Zl{static get type(){return"ViewportTextureNode"}constructor(e=pd,t=null,r=null){let s=null;null===r?(s=new K,s.minFilter=Q,r=s):s=r,super(r,e,t),this.generateMipmaps=!1,this.defaultFramebuffer=s,this.isOutputTextureNode=!0,this.updateBeforeType=ii.RENDER,this._cacheTextures=new WeakMap}getTextureForReference(e=null){let t,r;if(this.referenceNode?(t=this.referenceNode.defaultFramebuffer,r=this.referenceNode._cacheTextures):(t=this.defaultFramebuffer,r=this._cacheTextures),null===e)return t;if(!1===r.has(e)){const s=t.clone();r.set(e,s)}return r.get(e)}updateReference(e){const t=e.renderer,r=t.getRenderTarget(),s=t.getCanvasTarget(),i=r||s;return this.value=this.getTextureForReference(i),this.value}updateBefore(e){const t=e.renderer,r=t.getRenderTarget(),s=t.getCanvasTarget(),i=r||s;null===i?t.getDrawingBufferSize(lg):i.getDrawingBufferSize?i.getDrawingBufferSize(lg):lg.set(i.width,i.height);const n=this.getTextureForReference(i);n.image.width===lg.width&&n.image.height===lg.height||(n.image.width=lg.width,n.image.height=lg.height,n.needsUpdate=!0);const a=n.generateMipmaps;n.generateMipmaps=this.generateMipmaps,t.copyFramebufferToTexture(n),n.generateMipmaps=a}clone(){const e=new this.constructor(this.uvNode,this.levelNode,this.value);return e.generateMipmaps=this.generateMipmaps,e}}const cg=un(dg).setParameterLength(0,3),hg=un(dg,null,null,{generateMipmaps:!0}).setParameterLength(0,3),pg=hg(),gg=(e=pd,t=null)=>pg.sample(e,t);let mg=null;class fg extends dg{static get type(){return"ViewportDepthTextureNode"}constructor(e=pd,t=null,r=null){null===r&&(null===mg&&(mg=new Z),r=mg),super(e,t,r)}}const yg=un(fg).setParameterLength(0,3);class bg extends pi{static get type(){return"ViewportDepthNode"}constructor(e,t=null){super("float"),this.scope=e,this.valueNode=t,this.isViewportDepthNode=!0}generate(e){const{scope:t}=this;return t===bg.DEPTH_BASE?e.getFragDepth():super.generate(e)}setup({camera:e}){const{scope:t}=this,r=this.valueNode;let s=null;if(t===bg.DEPTH_BASE)null!==r&&(s=Rg().assign(r));else if(t===bg.DEPTH)s=e.isPerspectiveCamera?_g(bc.z,Dd,Id):xg(bc.z,Dd,Id);else if(t===bg.LINEAR_DEPTH)if(null!==r)if(e.isPerspectiveCamera){const e=Ng(r,Dd,Id);s=xg(e,Dd,Id)}else s=r;else s=xg(bc.z,Dd,Id);return s}}bg.DEPTH_BASE="depthBase",bg.DEPTH="depth",bg.LINEAR_DEPTH="linearDepth";const xg=(e,t,r)=>e.add(t).div(t.sub(r)),Tg=gn(([e,t,r],s)=>!0===s.renderer.reversedDepthBuffer?r.sub(t).mul(e).sub(r):t.sub(r).mul(e).sub(t)),_g=(e,t,r)=>t.add(e).mul(r).div(r.sub(t).mul(e)),vg=(e,t,r)=>t.mul(e.add(r)).div(e.mul(t.sub(r))),Ng=gn(([e,t,r],s)=>!0===s.renderer.reversedDepthBuffer?t.mul(r).div(t.sub(r).mul(e).sub(t)):t.mul(r).div(r.sub(t).mul(e).sub(r))),Sg=(e,t,r)=>{t=t.max(1e-6).toVar();const s=No(e.negate().div(t)),i=No(r.div(t));return s.div(i)},Rg=un(bg,bg.DEPTH_BASE),Eg=ln(bg,bg.DEPTH),wg=un(bg,bg.LINEAR_DEPTH).setParameterLength(0,1),Ag=wg(yg());Eg.assign=e=>Rg(e);class Cg extends pi{static get type(){return"ClippingNode"}constructor(e=Cg.DEFAULT){super(),this.scope=e}setup(e){super.setup(e);const t=e.clippingContext,{intersectionPlanes:r,unionPlanes:s}=t;return this.hardwareClipping=e.hardwareClipping,this.scope===Cg.ALPHA_TO_COVERAGE?this.setupAlphaToCoverage(r,s):this.scope===Cg.HARDWARE?this.setupHardwareClipping(s,e):this.setupDefault(r,s)}setupAlphaToCoverage(e,t){return gn(()=>{const r=Tn().toVar("distanceToPlane"),s=Tn().toVar("distanceToGradient"),i=Tn(1).toVar("clipOpacity"),n=t.length;if(!1===this.hardwareClipping&&n>0){const e=ad(t).setGroup(Ra);Kp(n,({i:t})=>{const n=e.element(t);r.assign(bc.dot(n.xyz).negate().add(n.w)),s.assign(r.fwidth().div(2)),i.mulAssign(_u(s.negate(),s,r))})}const a=e.length;if(a>0){const t=ad(e).setGroup(Ra),n=Tn(1).toVar("intersectionClipOpacity");Kp(a,({i:e})=>{const i=t.element(e);r.assign(bc.dot(i.xyz).negate().add(i.w)),s.assign(r.fwidth().div(2)),n.mulAssign(_u(s.negate(),s,r).oneMinus())}),i.mulAssign(n.oneMinus())}Wn.a.mulAssign(i),Wn.a.equal(0).discard()})()}setupDefault(e,t){return gn(()=>{const r=t.length;if(!1===this.hardwareClipping&&r>0){const e=ad(t).setGroup(Ra);Kp(r,({i:t})=>{const r=e.element(t);bc.dot(r.xyz).greaterThan(r.w).discard()})}const s=e.length;if(s>0){const t=ad(e).setGroup(Ra),r=Nn(!0).toVar("clipped");Kp(s,({i:e})=>{const s=t.element(e);r.assign(bc.dot(s.xyz).greaterThan(s.w).and(r))}),r.discard()}})()}setupHardwareClipping(e,t){const r=e.length;return t.enableHardwareClipping(r),gn(()=>{const s=ad(e).setGroup(Ra),i=ud(t.getClipDistance());Kp(r,({i:e})=>{const t=s.element(e),r=bc.dot(t.xyz).sub(t.w).negate();i.element(e).assign(r)})})()}}Cg.ALPHA_TO_COVERAGE="alphaToCoverage",Cg.DEFAULT="default",Cg.HARDWARE="hardware";const Mg=gn(([e])=>Co(Va(1e4,Mo(Va(17,e.x).add(Va(.1,e.y)))).mul(Ia(.1,$o(Mo(Va(13,e.y).add(e.x))))))),Bg=gn(([e])=>Mg(Sn(Mg(e.xy),e.z))),Lg=gn(([e])=>{const t=su(Wo(qo(e.xyz)),Wo(Xo(e.xyz))),r=Tn(1).div(Tn(.05).mul(t)).toVar("pixScale"),s=Sn(_o(Eo(No(r))),_o(wo(No(r)))),i=Sn(Bg(Eo(s.x.mul(e.xyz))),Bg(Eo(s.y.mul(e.xyz)))),n=Co(No(r)),a=Ia(Va(n.oneMinus(),i.x),Va(n,i.y)),o=ru(n,n.oneMinus()),u=An(a.mul(a).div(Va(2,o).mul(Oa(1,o))),a.sub(Va(.5,o)).div(Oa(1,o)),Oa(1,Oa(1,a).mul(Oa(1,a)).div(Va(2,o).mul(Oa(1,o))))),l=a.lessThan(o.oneMinus()).select(a.lessThan(o).select(u.x,u.y),u.z);return bu(l,1e-6,1)}).setLayout({name:"getAlphaHashThreshold",type:"float",inputs:[{name:"position",type:"vec3"}]});class Fg extends zl{static get type(){return"VertexColorNode"}constructor(e){super(null,"vec4"),this.isVertexColorNode=!0,this.index=e}getAttributeName(){const e=this.index;return"color"+(e>0?e:"")}generate(e){const t=this.getAttributeName(e);let r;return r=!0===e.hasGeometryAttribute(t)?super.generate(e):e.generateConst(this.nodeType,new s(1,1,1,1)),r}serialize(e){super.serialize(e),e.index=this.index}deserialize(e){super.deserialize(e),this.index=e.index}}const Pg=(e=0)=>new Fg(e);class Ug extends J{static get type(){return"NodeMaterial"}get type(){return this.constructor.type}set type(e){}constructor(){super(),this.isNodeMaterial=!0,this.fog=!0,this.lights=!1,this.lightsNode=null,this.envNode=null,this.aoNode=null,this.colorNode=null,this.normalNode=null,this.opacityNode=null,this.backdropNode=null,this.backdropAlphaNode=null,this.alphaTestNode=null,this.maskNode=null,this.maskShadowNode=null,this.positionNode=null,this.geometryNode=null,this.depthNode=null,this.receivedShadowPositionNode=null,this.castShadowPositionNode=null,this.receivedShadowNode=null,this.castShadowNode=null,this.outputNode=null,this.mrtNode=null,this.fragmentNode=null,this.vertexNode=null,this.contextNode=null}_getNodeChildren(){const e=[];for(const t of Object.getOwnPropertyNames(this)){if(!0===t.startsWith("_"))continue;const r=this[t];r&&!0===r.isNode&&e.push({property:t,childNode:r})}return e}customProgramCacheKey(){const e=[];for(const{property:t,childNode:r}of this._getNodeChildren())e.push(Gs(t.slice(0,-4)),r.getCacheKey());return this.type+$s(e)}build(e){this.setup(e)}setupObserver(e){return new Is(e)}setup(e){e.context.setupNormal=()=>Wu(this.setupNormal(e),"NORMAL","vec3"),e.context.setupPositionView=()=>this.setupPositionView(e),e.context.setupModelViewProjection=()=>this.setupModelViewProjection(e);const t=e.renderer,r=t.getRenderTarget();e.addStack();const s=this.setupVertex(e),i=Wu(this.vertexNode||s,"VERTEX");let n;e.context.clipSpace=i,e.stack.outputNode=i,this.setupHardwareClipping(e),null!==this.geometryNode&&(e.stack.outputNode=e.stack.outputNode.bypass(this.geometryNode)),e.addFlow("vertex",e.removeStack()),e.addStack();const a=this.setupClipping(e);if(!0!==this.depthWrite&&!0!==this.depthTest||(null!==r?!0===r.depthBuffer&&this.setupDepth(e):!0===t.depth&&this.setupDepth(e)),null===this.fragmentNode){this.setupDiffuseColor(e),this.setupAmbientOcclusion(e),this.setupVariants(e);const s=this.setupLighting(e);null!==a&&e.stack.addToStack(a);const i=Ln(s,Wn.a).max(0);n=this.setupOutput(e,i),da.assign(n);const o=null!==this.outputNode;if(o&&(n=this.outputNode),e.context.getOutput&&(n=e.context.getOutput(n,e)),null!==r){const e=t.getMRT(),r=this.mrtNode;null!==e?(o&&da.assign(n),n=e,null!==r&&(n=e.merge(r))):null!==r&&(n=r)}}else{let t=this.fragmentNode;!0!==t.isOutputStructNode&&(t=t.convert(e.getOutputType())),n=this.setupOutput(e,t)}e.stack.outputNode=n,e.addFlow("fragment",e.removeStack()),e.observer=this.setupObserver(e)}setupClipping(e){if(null===e.clippingContext)return null;const{unionPlanes:t,intersectionPlanes:r}=e.clippingContext;let s=null;if(t.length>0||r.length>0){const t=e.renderer.currentSamples;this.alphaToCoverage&&t>1?s=new Cg(Cg.ALPHA_TO_COVERAGE):e.stack.addToStack(new Cg)}return s}setupHardwareClipping(e){if(e.hardwareClipping=!1,null===e.clippingContext)return;const t=e.clippingContext.unionPlanes.length;t>0&&t<=8&&e.isAvailable("clipDistance")&&(e.stack.addToStack(new Cg(Cg.HARDWARE)),e.hardwareClipping=!0)}setupDepth(e){const{renderer:t,camera:r}=e;let s=this.depthNode;if(null===s){const e=t.getMRT();e&&e.has("depth")?s=e.get("depth"):!0===t.logarithmicDepthBuffer&&(s=r.isPerspectiveCamera?Sg(bc.z,Dd,Id):xg(bc.z,Dd,Id))}null!==s&&Eg.assign(s).toStack()}setupPositionView(){return uc.mul(gc).xyz}setupModelViewProjection(){return Od.mul(bc)}setupVertex(e){return e.addStack(),this.setupPosition(e),e.context.position=e.removeStack(),vp}setupPosition(e){const{object:t,geometry:r}=e;if((r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color)&&sg(t),!0===t.isSkinnedMesh&&qp(t),this.displacementMap){const e=eh("displacementMap","texture"),t=eh("displacementScale","float"),r=eh("displacementBias","float");gc.addAssign(Rc.normalize().mul(e.x.mul(t).add(r)))}return t.isBatchedMesh&&Gp(t),t.isInstancedMesh&&t.instanceMatrix&&!0===t.instanceMatrix.isInstancedBufferAttribute&&Ip(t),null!==this.positionNode&&gc.assign(Wu(this.positionNode,"POSITION","vec3")),gc}setupDiffuseColor(e){const{object:t,geometry:r}=e;null!==this.maskNode&&Nn(this.maskNode).not().discard();let s=this.colorNode?Ln(this.colorNode):Vh;!0===this.vertexColors&&r.hasAttribute("color")&&(s=s.mul(Pg())),t.instanceColor&&(s=Up.mul(s)),t.isBatchedMesh&&t._colorsTexture&&(s=kp.mul(s)),Wn.assign(s);const i=this.opacityNode?Tn(this.opacityNode):$h;Wn.a.assign(Wn.a.mul(i));let n=null;(null!==this.alphaTestNode||this.alphaTest>0)&&(n=null!==this.alphaTestNode?Tn(this.alphaTestNode):Oh,!0===this.alphaToCoverage?(Wn.a=_u(n,n.add(Zo(Wn.a)),Wn.a),Wn.a.lessThanEqual(0).discard()):Wn.a.lessThanEqual(n).discard()),!0===this.alphaHash&&Wn.a.lessThan(Lg(gc)).discard(),e.isOpaque()&&Wn.a.assign(1)}setupVariants(){}setupOutgoingLight(){return!0===this.lights?An(0):Wn.rgb}setupNormal(){return this.normalNode?An(this.normalNode):Kh}setupEnvironment(){let e=null;return this.envNode?e=this.envNode:this.envMap&&(e=this.envMap.isCubeTexture?eh("envMap","cubeTexture"):eh("envMap","texture")),e}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new ug(xp)),t}setupMaterialLightings(e){const t=[];if(!1===e.renderer.lighting.enabled)return t;const r=this.setupEnvironment(e);r&&r.isLightingNode&&t.push(r);const s=this.setupLightMap(e);return s&&s.isLightingNode&&t.push(s),e.context.ambientOcclusion&&t.push(new ng(e.context.ambientOcclusion)),t}setupAmbientOcclusion(e){let t=this.aoNode;null===t&&e.material.aoMap&&(t=Tp),e.context.getAO&&(t=e.context.getAO(t,e)),null!==t&&(Ta.assign(t),e.context.ambientOcclusion=Ta)}setupLightingModel(){}setupLighting(e){const{material:t}=e,{backdropNode:r,backdropAlphaNode:s,emissiveNode:i}=this,n=!0===this.lights||null!==this.lightsNode,a=!0===this.lights?this.setupMaterialLightings(e):[],o=n?this.lightsNode||e.lightsNode:null;let u=this.setupOutgoingLight(e);if(o&&(a.length>0||o.getScope().hasLights)){const t=this.setupLightingModel(e)||null;u=og(o,t,a,r,s)}else null!==r&&(u=An(null!==s?yu(u,r,s):r));return(i&&!0===i.isNode||t.emissive&&!0===t.emissive.isColor)&&(jn.assign(An(i||Gh)),u=u.add(jn)),u}setupFog(e,t){const r=e.fogNode;return r&&(da.assign(t),t=Ln(r.toVar())),t}setupPremultipliedAlpha(e,t){return Pl(t)}setupOutput(e,t){return!0===this.fog&&(t=this.setupFog(e,t)),!0===this.premultipliedAlpha&&(t=this.setupPremultipliedAlpha(e,t)),t}setDefaultValues(e){for(const t in e){const r=e[t];void 0===this[t]&&(this[t]=r,r&&r.clone&&(this[t]=r.clone()))}const t=Object.getOwnPropertyDescriptors(e.constructor.prototype);for(const e in t)void 0===Object.getOwnPropertyDescriptor(this.constructor.prototype,e)&&void 0!==t[e].get&&Object.defineProperty(this.constructor.prototype,e,t[e])}toJSON(e){const t=void 0===e||"string"==typeof e;t&&(e={textures:{},images:{},nodes:{}});const r=J.prototype.toJSON.call(this,e);r.inputNodes={};for(const{property:t,childNode:s}of this._getNodeChildren())r.inputNodes[t]=s.toJSON(e).uuid;function s(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(t){const t=s(e.textures),i=s(e.images),n=s(e.nodes);t.length>0&&(r.textures=t),i.length>0&&(r.images=i),n.length>0&&(r.nodes=n)}return r}copy(e){return this.lightsNode=e.lightsNode,this.envNode=e.envNode,this.aoNode=e.aoNode,this.colorNode=e.colorNode,this.normalNode=e.normalNode,this.opacityNode=e.opacityNode,this.backdropNode=e.backdropNode,this.backdropAlphaNode=e.backdropAlphaNode,this.alphaTestNode=e.alphaTestNode,this.maskNode=e.maskNode,this.maskShadowNode=e.maskShadowNode,this.positionNode=e.positionNode,this.geometryNode=e.geometryNode,this.depthNode=e.depthNode,this.receivedShadowPositionNode=e.receivedShadowPositionNode,this.castShadowPositionNode=e.castShadowPositionNode,this.receivedShadowNode=e.receivedShadowNode,this.castShadowNode=e.castShadowNode,this.outputNode=e.outputNode,this.mrtNode=e.mrtNode,this.fragmentNode=e.fragmentNode,this.vertexNode=e.vertexNode,this.contextNode=e.contextNode,super.copy(e)}}const Dg=new ee;class Ig extends Ug{static get type(){return"LineBasicNodeMaterial"}constructor(e){super(),this.isLineBasicNodeMaterial=!0,this.setDefaultValues(Dg),this.setValues(e)}}const Og=new te;class Vg extends Ug{static get type(){return"LineDashedNodeMaterial"}constructor(e){super(),this.isLineDashedNodeMaterial=!0,this.setDefaultValues(Og),this.dashOffset=0,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.setValues(e)}setupVariants(){const e=this.offsetNode?Tn(this.offsetNode):fp,t=this.dashScaleNode?Tn(this.dashScaleNode):hp,r=this.dashSizeNode?Tn(this.dashSizeNode):pp,s=this.gapSizeNode?Tn(this.gapSizeNode):gp;ca.assign(r),ha.assign(s);const i=ju(Wl("lineDistance").mul(t));(e?i.add(e):i).mod(ca.add(ha)).greaterThan(ca).discard()}}const kg=new te,Gg=zn("vec3","worldStart"),$g=zn("vec3","worldEnd"),zg=zn("float","lineDistance"),Wg=zn("vec4","worldPos"),Hg=gn(({start:e,end:t})=>{const r=Od.element(2).element(2),s=Od.element(3).element(2);return r.greaterThan(0).select(s.negate().div(r.add(1)),s.mul(-.5).div(r)).sub(e.z).div(t.z.sub(e.z))},{start:"vec4",end:"vec4",return:"float"}),jg=gn(({p1:e,p2:t,p3:r,p4:s})=>{const i=e.sub(r),n=s.sub(r),a=t.sub(e),o=i.dot(n),u=n.dot(a),l=i.dot(a),d=n.dot(n),c=a.dot(a).mul(d).sub(u.mul(u)),h=o.mul(u).sub(l.mul(d)).div(c).clamp(),p=o.add(u.mul(h)).div(d).clamp();return Sn(h,p)},{p1:"vec3",p2:"vec3",p3:"vec3",p4:"vec3",return:"vec2"}),qg=gn(({material:e})=>{const t=e._useDash,r=e._useWorldUnits,s=Wl("instanceStart"),i=Wl("instanceEnd"),n=Ln(uc.mul(Ln(s,1))).toVar("start"),a=Ln(uc.mul(Ln(i,1))).toVar("end");let o,u;t&&(o=Tn(Wl("instanceDistanceStart")).toVar("distanceStart"),u=Tn(Wl("instanceDistanceEnd")).toVar("distanceEnd")),r&&(Gg.assign(n.xyz),$g.assign(a.xyz));const l=fd.z.div(fd.w),d=Od.element(2).element(3).equal(-1);if(yn(d,()=>{yn(n.z.lessThan(0).and(a.z.greaterThan(0)),()=>{const e=Hg({start:n,end:a});a.assign(Ln(yu(n.xyz,a.xyz,e),a.w)),t&&u.assign(yu(o,u,e))}).ElseIf(a.z.lessThan(0).and(n.z.greaterThanEqual(0)),()=>{const e=Hg({start:a,end:n});n.assign(Ln(yu(a.xyz,n.xyz,e),n.w)),t&&o.assign(yu(u,o,e))})}),t){const t=e.dashScaleNode?Tn(e.dashScaleNode):hp,r=e.offsetNode?Tn(e.offsetNode):fp;let s=pc.y.lessThan(.5).select(t.mul(o),t.mul(u));s=s.add(r),zg.assign(s)}const c=Od.mul(n),h=Od.mul(a),p=c.xyz.div(c.w),g=h.xyz.div(h.w),m=g.xy.sub(p.xy).toVar();m.x.assign(m.x.mul(l)),m.assign(m.normalize());const f=Ln().toVar();if(r){const e=a.xyz.sub(n.xyz).normalize(),r=yu(n.xyz,a.xyz,.5).normalize(),s=e.cross(r).normalize(),i=e.cross(s);Wg.assign(pc.y.lessThan(.5).select(n,a));const o=mp.mul(.5);Wg.addAssign(Ln(pc.x.lessThan(0).select(s.mul(o),s.mul(o).negate()),0)),t||(Wg.addAssign(Ln(pc.y.lessThan(.5).select(e.mul(o).negate(),e.mul(o)),0)),Wg.addAssign(Ln(i.mul(o),0)),yn(pc.y.greaterThan(1).or(pc.y.lessThan(0)),()=>{Wg.subAssign(Ln(i.mul(2).mul(o),0))})),f.assign(Od.mul(Wg));const u=An().toVar();u.assign(pc.y.lessThan(.5).select(p,g)),f.z.assign(u.z.mul(f.w))}else{const e=Sn(m.y,m.x.negate()).toVar("offset");m.x.assign(m.x.div(l)),e.x.assign(e.x.div(l)),e.assign(pc.x.lessThan(0).select(e.negate(),e)),yn(pc.y.lessThan(0),()=>{e.assign(e.sub(m))}).ElseIf(pc.y.greaterThan(1),()=>{e.assign(e.add(m))}),e.assign(e.mul(mp)),e.assign(e.div(fd.w.div(hd))),f.assign(pc.y.lessThan(.5).select(c,h)),e.assign(e.mul(f.w)),f.assign(f.add(Ln(e,0,0)))}return f})(),Xg=gn(({material:e,renderer:t})=>{const r=e._useAlphaToCoverage,s=e._useDash,i=e._useWorldUnits,n=Hl();if(s){const t=e.dashSizeNode?Tn(e.dashSizeNode):pp,r=e.gapSizeNode?Tn(e.gapSizeNode):gp;ca.assign(t),ha.assign(r),n.y.lessThan(-1).or(n.y.greaterThan(1)).discard(),zg.mod(ca.add(ha)).greaterThan(ca).discard()}const a=Tn(1).toVar("alpha");if(i){const e=Wg.xyz.normalize().mul(1e5),i=$g.sub(Gg),n=jg({p1:Gg,p2:$g,p3:An(0,0,0),p4:e}),o=Gg.add(i.mul(n.x)),u=e.mul(n.y),l=o.sub(u).length().div(mp);if(!s)if(r&&t.currentSamples>0){const e=l.fwidth();a.assign(_u(e.negate().add(.5),e.add(.5),l).oneMinus())}else l.greaterThan(.5).discard()}else if(r&&t.currentSamples>0){const e=n.x,t=n.y.greaterThan(0).select(n.y.sub(1),n.y.add(1)),r=e.mul(e).add(t.mul(t)),s=Tn(r.fwidth()).toVar("dlen");yn(n.y.abs().greaterThan(1),()=>{a.assign(_u(s.oneMinus(),s.add(1),r).oneMinus())})}else yn(n.y.abs().greaterThan(1),()=>{const e=n.x,t=n.y.greaterThan(0).select(n.y.sub(1),n.y.add(1));e.mul(e).add(t.mul(t)).greaterThan(1).discard()});return a})();class Yg extends Ug{static get type(){return"Line2NodeMaterial"}constructor(e={}){super(),this.isLine2NodeMaterial=!0,this.setDefaultValues(kg),this.vertexColors=e.vertexColors,this.dashOffset=0,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.blending=re,this._useDash=e.dashed,this._useAlphaToCoverage=!0,this._useWorldUnits=!1,this.setValues(e)}setupDiffuseColor(e){if(super.setupDiffuseColor(e),Wn.a.mulAssign(Xg),!0===this.vertexColors&&e.geometry.hasAttribute("instanceColorStart")){const e=Wl("instanceColorStart"),t=Wl("instanceColorEnd"),r=pc.y.lessThan(.5).select(e,t);Wn.rgb.mulAssign(r)}this.transparent&&Wn.rgb.assign(Wn.rgb.mul(Wn.a).add(gg().rgb.mul(Wn.a.oneMinus())))}setupModelViewProjection(){return qg}get lineColorNode(){return this.colorNode}set lineColorNode(e){v('Line2NodeMaterial: "lineColorNode" has been deprecated. Use "colorNode" instead.'),this.colorNode=e}get worldUnits(){return this._useWorldUnits}set worldUnits(e){this._useWorldUnits!==e&&(this._useWorldUnits=e,this.needsUpdate=!0)}get dashed(){return this._useDash}set dashed(e){this._useDash!==e&&(this._useDash=e,this.needsUpdate=!0)}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}copy(e){return super.copy(e),this.vertexColors=e.vertexColors,this.dashOffset=e.dashOffset,this.offsetNode=e.offsetNode,this.dashScaleNode=e.dashScaleNode,this.dashSizeNode=e.dashSizeNode,this.gapSizeNode=e.gapSizeNode,this._useDash=e._useDash,this._useAlphaToCoverage=e._useAlphaToCoverage,this._useWorldUnits=e._useWorldUnits,this}}const Kg=new se;class Qg extends Ug{static get type(){return"MeshNormalNodeMaterial"}constructor(e){super(),this.isMeshNormalNodeMaterial=!0,this.setDefaultValues(Kg),this.setValues(e)}setupDiffuseColor(){const e=this.opacityNode?Tn(this.opacityNode):$h;Wn.assign(Ju(Ln(wh(Cc),e),ie))}}const Zg=gn(([e=yc])=>{const t=e.z.atan(e.x).mul(1/(2*Math.PI)).add(.5),r=e.y.clamp(-1,1).asin().mul(1/Math.PI).add(.5);return Sn(t,r)});class Jg extends ne{constructor(e=1,t={}){super(e,e,t),this.isCubeRenderTarget=!0;const r={width:e,height:e,depth:1},s=[r,r,r,r,r,r];this.texture=new U(s),this._setTextureOptions(t),this.texture.isRenderTargetTexture=!0}fromEquirectangularTexture(e,t){const r=t.minFilter,s=t.generateMipmaps;t.generateMipmaps=!0,this.texture.type=t.type,this.texture.colorSpace=t.colorSpace,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const i=new ae(5,5,5),n=Zg(yc),a=new Ug;a.colorNode=ed(t,n,0),a.side=F,a.blending=re;const o=new oe(i,a),u=new ue;u.add(o),t.minFilter===Q&&(t.minFilter=le);const l=new de(1,10,this),d=e.getMRT();return e.setMRT(null),l.update(e,u),e.setMRT(d),t.minFilter=r,t.generateMipmaps=s,o.geometry.dispose(),o.material.dispose(),this}clear(e,t=!0,r=!0,s=!0){const i=e.getRenderTarget();for(let i=0;i<6;i++)e.setRenderTarget(this,i),e.clear(t,r,s);e.setRenderTarget(i)}}const em=new WeakMap;class tm extends fi{static get type(){return"CubeMapNode"}constructor(e){super("vec3"),this.envNode=e,this._cubeTexture=null,this._cubeTextureNode=Xc(null);const t=new U;t.isRenderTargetTexture=!0,this._defaultTexture=t,this.updateBeforeType=ii.RENDER}updateBefore(e){const{renderer:t,material:r}=e,s=this.envNode;if(s.isTextureNode||s.isMaterialReferenceNode){const e=s.isTextureNode?s.value:r[s.property];if(e&&e.isTexture){const r=e.mapping;if(r===ce||r===he){if(em.has(e)){const t=em.get(e);sm(t,e.mapping),this._cubeTexture=t}else{const r=e.image;if(function(e){return null!=e&&e.height>0}(r)){const s=new Jg(r.height);s.fromEquirectangularTexture(t,e),sm(s.texture,e.mapping),this._cubeTexture=s.texture,em.set(e,s.texture),e.addEventListener("dispose",rm)}else this._cubeTexture=this._defaultTexture}this._cubeTextureNode.value=this._cubeTexture}else this._cubeTextureNode=this.envNode}}}setup(e){return this.updateBefore(e),this._cubeTextureNode}}function rm(e){const t=e.target;t.removeEventListener("dispose",rm);const r=em.get(t);void 0!==r&&(em.delete(t),r.dispose())}function sm(e,t){t===ce?e.mapping=D:t===he&&(e.mapping=I)}const im=un(tm).setParameterLength(1);class nm extends ig{static get type(){return"BasicEnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){e.context.environment=im(this.envNode)}}class am extends ig{static get type(){return"BasicLightMapNode"}constructor(e=null){super(),this.lightMapNode=e}setup(e){const t=Tn(1/Math.PI);e.context.irradianceLightMap=this.lightMapNode.mul(t)}}class om{start(e){e.lightsNode.setupLights(e,e.lightsNode.getLightNodes(e)),this.indirect(e)}finish(){}direct(){}directRectArea(){}indirect(){}ambientOcclusion(){}}class um extends om{constructor(){super()}indirect({context:e}){const t=e.ambientOcclusion,r=e.reflectedLight,s=e.irradianceLightMap;r.indirectDiffuse.assign(Ln(0)),s?r.indirectDiffuse.addAssign(s):r.indirectDiffuse.addAssign(Ln(1,1,1,0)),r.indirectDiffuse.mulAssign(t),r.indirectDiffuse.mulAssign(Wn.rgb)}finish(e){const{material:t,context:r}=e,s=r.outgoingLight,i=e.context.environment;if(i)switch(t.combine){case me:s.rgb.assign(yu(s.rgb,s.rgb.mul(i.rgb),jh.mul(qh)));break;case ge:s.rgb.assign(yu(s.rgb,i.rgb,jh.mul(qh)));break;case pe:s.rgb.addAssign(i.rgb.mul(jh.mul(qh)));break;default:d("BasicLightingModel: Unsupported .combine value:",t.combine)}}}const lm=new fe;class dm extends Ug{static get type(){return"MeshBasicNodeMaterial"}constructor(e){super(),this.isMeshBasicNodeMaterial=!0,this.lights=!0,this.setDefaultValues(lm),this.setValues(e)}setupNormal(){return Nc(wc)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new nm(t):null}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new am(xp)),t}setupOutgoingLight(){return Wn.rgb}setupLightingModel(){return new um}}const cm=gn(({f0:e,f90:t,dotVH:r})=>{const s=r.mul(-5.55473).sub(6.98316).mul(r).exp2();return e.mul(s.oneMinus()).add(t.mul(s))}),hm=gn(e=>e.diffuseColor.mul(1/Math.PI)),pm=gn(({dotNH:e})=>la.mul(Tn(.5)).add(1).mul(Tn(1/Math.PI)).mul(e.pow(la))),gm=gn(({lightDirection:e})=>{const t=e.add(xc).normalize(),r=Cc.dot(t).clamp(),s=xc.dot(t).clamp(),i=cm({f0:aa,f90:1,dotVH:s}),n=Tn(.25),a=pm({dotNH:r});return i.mul(n).mul(a)});class mm extends um{constructor(e=!0){super(),this.specular=e}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=Cc.dot(e).clamp().mul(t);r.directDiffuse.addAssign(s.mul(hm({diffuseColor:Wn.rgb}))),!0===this.specular&&r.directSpecular.addAssign(s.mul(gm({lightDirection:e})).mul(jh))}indirect(e){const{ambientOcclusion:t,irradiance:r,reflectedLight:s}=e.context;s.indirectDiffuse.addAssign(r.mul(hm({diffuseColor:Wn}))),s.indirectDiffuse.mulAssign(t)}}const fm=new ye;class ym extends Ug{static get type(){return"MeshLambertNodeMaterial"}constructor(e){super(),this.isMeshLambertNodeMaterial=!0,this.lights=!0,this.setDefaultValues(fm),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new nm(t):null}setupLightingModel(){return new mm(!1)}}const bm=new be;class xm extends Ug{static get type(){return"MeshPhongNodeMaterial"}constructor(e){super(),this.isMeshPhongNodeMaterial=!0,this.lights=!0,this.shininessNode=null,this.specularNode=null,this.setDefaultValues(bm),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new nm(t):null}setupLightingModel(){return new mm}setupVariants(){const e=(this.shininessNode?Tn(this.shininessNode):kh).max(1e-4);la.assign(e);const t=this.specularNode||zh;aa.assign(t)}copy(e){return this.shininessNode=e.shininessNode,this.specularNode=e.specularNode,super.copy(e)}}const Tm=gn(e=>{if(!1===e.geometry.hasAttribute("normal"))return Tn(0);const t=wc.dFdx().abs().max(wc.dFdy().abs());return t.x.max(t.y).max(t.z)}),_m=gn(e=>{const{roughness:t}=e,r=Tm();let s=t.max(.0525);return s=s.add(r),s=s.min(1),s}),vm=gn(({alpha:e,dotNL:t,dotNV:r})=>{const s=e.pow2(),i=t.mul(s.add(s.oneMinus().mul(r.pow2())).sqrt()),n=r.mul(s.add(s.oneMinus().mul(t.pow2())).sqrt());return ka(.5,i.add(n).max(lo))}).setLayout({name:"V_GGX_SmithCorrelated",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNL",type:"float"},{name:"dotNV",type:"float"}]}),Nm=gn(({alphaT:e,alphaB:t,dotTV:r,dotBV:s,dotTL:i,dotBL:n,dotNV:a,dotNL:o})=>{const u=o.mul(An(e.mul(r),t.mul(s),a).length()),l=a.mul(An(e.mul(i),t.mul(n),o).length());return ka(.5,u.add(l).max(lo))}).setLayout({name:"V_GGX_SmithCorrelated_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotTV",type:"float",qualifier:"in"},{name:"dotBV",type:"float",qualifier:"in"},{name:"dotTL",type:"float",qualifier:"in"},{name:"dotBL",type:"float",qualifier:"in"},{name:"dotNV",type:"float",qualifier:"in"},{name:"dotNL",type:"float",qualifier:"in"}]}),Sm=gn(({alpha:e,dotNH:t})=>{const r=e.pow2(),s=t.pow2().mul(r.oneMinus()).oneMinus();return r.div(s.pow2()).mul(1/Math.PI)}).setLayout({name:"D_GGX",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNH",type:"float"}]}),Rm=Tn(1/Math.PI),Em=gn(({alphaT:e,alphaB:t,dotNH:r,dotTH:s,dotBH:i})=>{const n=e.mul(t),a=An(t.mul(s),e.mul(i),n.mul(r)),o=a.dot(a),u=n.div(o);return Rm.mul(n.mul(u.pow2()))}).setLayout({name:"D_GGX_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotNH",type:"float",qualifier:"in"},{name:"dotTH",type:"float",qualifier:"in"},{name:"dotBH",type:"float",qualifier:"in"}]}),wm=gn(({lightDirection:e,f0:t,f90:r,roughness:s,f:i,normalView:n=Cc,USE_IRIDESCENCE:a,USE_ANISOTROPY:o})=>{const u=s.pow2(),l=e.add(xc).normalize(),d=n.dot(e).clamp(),c=n.dot(xc).clamp(),h=n.dot(l).clamp(),p=xc.dot(l).clamp();let g,m,f=cm({f0:t,f90:r,dotVH:p});if(en(a)&&(f=Jn.mix(f,i)),en(o)){const t=ia.dot(e),r=ia.dot(xc),s=ia.dot(l),i=na.dot(e),n=na.dot(xc),a=na.dot(l);g=Nm({alphaT:ra,alphaB:u,dotTV:r,dotBV:n,dotTL:t,dotBL:i,dotNV:c,dotNL:d}),m=Em({alphaT:ra,alphaB:u,dotNH:h,dotTH:s,dotBH:a})}else g=vm({alpha:u,dotNL:d,dotNV:c}),m=Sm({alpha:u,dotNH:h});return f.mul(g).mul(m)}),Am=new 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Cm=null;const Mm=gn(({roughness:e,dotNV:t})=>{null===Cm&&(Cm=new xe(Am,16,16,z,Te),Cm.name="DFG_LUT",Cm.minFilter=le,Cm.magFilter=le,Cm.wrapS=_e,Cm.wrapT=_e,Cm.generateMipmaps=!1,Cm.needsUpdate=!0);const r=Sn(e,t);return ed(Cm,r).rg}),Bm=gn(({lightDirection:e,f0:t,f90:r,roughness:s,f:i,USE_IRIDESCENCE:n,USE_ANISOTROPY:a})=>{const o=wm({lightDirection:e,f0:t,f90:r,roughness:s,f:i,USE_IRIDESCENCE:n,USE_ANISOTROPY:a}),u=Cc.dot(e).clamp(),l=Cc.dot(xc).clamp(),d=Mm({roughness:s,dotNV:l}),c=Mm({roughness:s,dotNV:u}),h=t.mul(d.x).add(r.mul(d.y)),p=t.mul(c.x).add(r.mul(c.y)),g=d.x.add(d.y),m=c.x.add(c.y),f=Tn(1).sub(g),y=Tn(1).sub(m),b=t.add(t.oneMinus().mul(.047619)),x=h.mul(p).mul(b).div(Tn(1).sub(f.mul(y).mul(b).mul(b)).add(lo)),T=f.mul(y),_=x.mul(T);return o.add(_)}),Lm=gn(e=>{const{dotNV:t,specularColor:r,specularF90:s,roughness:i}=e,n=Mm({dotNV:t,roughness:i});return r.mul(n.x).add(s.mul(n.y))}),Fm=gn(({f:e,f90:t,dotVH:r})=>{const s=r.oneMinus().saturate(),i=s.mul(s),n=s.mul(i,i).clamp(0,.9999);return e.sub(An(t).mul(n)).div(n.oneMinus())}).setLayout({name:"Schlick_to_F0",type:"vec3",inputs:[{name:"f",type:"vec3"},{name:"f90",type:"float"},{name:"dotVH",type:"float"}]}),Pm=gn(({roughness:e,dotNH:t})=>{const r=e.pow2(),s=Tn(1).div(r),i=t.pow2().oneMinus().max(.0078125);return Tn(2).add(s).mul(i.pow(s.mul(.5))).div(2*Math.PI)}).setLayout({name:"D_Charlie",type:"float",inputs:[{name:"roughness",type:"float"},{name:"dotNH",type:"float"}]}),Um=gn(({dotNV:e,dotNL:t})=>Tn(1).div(Tn(4).mul(t.add(e).sub(t.mul(e))))).setLayout({name:"V_Neubelt",type:"float",inputs:[{name:"dotNV",type:"float"},{name:"dotNL",type:"float"}]}),Dm=gn(({lightDirection:e})=>{const t=e.add(xc).normalize(),r=Cc.dot(e).clamp(),s=Cc.dot(xc).clamp(),i=Cc.dot(t).clamp(),n=Pm({roughness:Zn,dotNH:i}),a=Um({dotNV:s,dotNL:r});return Qn.mul(n).mul(a)}),Im=gn(({N:e,V:t,roughness:r})=>{const s=e.dot(t).saturate(),i=Sn(r,s.oneMinus().sqrt());return i.assign(i.mul(.984375).add(.0078125)),i}).setLayout({name:"LTC_Uv",type:"vec2",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"roughness",type:"float"}]}),Om=gn(({f:e})=>{const t=e.length();return su(t.mul(t).add(e.z).div(t.add(1)),0)}).setLayout({name:"LTC_ClippedSphereFormFactor",type:"float",inputs:[{name:"f",type:"vec3"}]}),Vm=gn(({v1:e,v2:t})=>{const r=e.dot(t),s=r.abs().toVar(),i=s.mul(.0145206).add(.4965155).mul(s).add(.8543985).toVar(),n=s.add(4.1616724).mul(s).add(3.417594).toVar(),a=i.div(n),o=r.greaterThan(0).select(a,su(r.mul(r).oneMinus(),1e-7).inverseSqrt().mul(.5).sub(a));return e.cross(t).mul(o)}).setLayout({name:"LTC_EdgeVectorFormFactor",type:"vec3",inputs:[{name:"v1",type:"vec3"},{name:"v2",type:"vec3"}]}),km=gn(({N:e,V:t,P:r,mInv:s,p0:i,p1:n,p2:a,p3:o})=>{const u=n.sub(i).toVar(),l=o.sub(i).toVar(),d=u.cross(l),c=An().toVar();return yn(d.dot(r.sub(i)).greaterThanEqual(0),()=>{const u=t.sub(e.mul(t.dot(e))).normalize(),l=e.cross(u).negate(),d=s.mul(In(u,l,e).transpose()).toVar(),h=d.mul(i.sub(r)).normalize().toVar(),p=d.mul(n.sub(r)).normalize().toVar(),g=d.mul(a.sub(r)).normalize().toVar(),m=d.mul(o.sub(r)).normalize().toVar(),f=An(0).toVar();f.addAssign(Vm({v1:h,v2:p})),f.addAssign(Vm({v1:p,v2:g})),f.addAssign(Vm({v1:g,v2:m})),f.addAssign(Vm({v1:m,v2:h})),c.assign(An(Om({f:f})))}),c}).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"P",type:"vec3"},{name:"mInv",type:"mat3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),Gm=gn(({P:e,p0:t,p1:r,p2:s,p3:i})=>{const n=r.sub(t).toVar(),a=i.sub(t).toVar(),o=n.cross(a),u=An().toVar();return yn(o.dot(e.sub(t)).greaterThanEqual(0),()=>{const n=t.sub(e).normalize().toVar(),a=r.sub(e).normalize().toVar(),o=s.sub(e).normalize().toVar(),l=i.sub(e).normalize().toVar(),d=An(0).toVar();d.addAssign(Vm({v1:n,v2:a})),d.addAssign(Vm({v1:a,v2:o})),d.addAssign(Vm({v1:o,v2:l})),d.addAssign(Vm({v1:l,v2:n})),u.assign(An(Om({f:d.abs()})))}),u}).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"P",type:"vec3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),$m=1/6,zm=e=>Va($m,Va(e,Va(e,e.negate().add(3)).sub(3)).add(1)),Wm=e=>Va($m,Va(e,Va(e,Va(3,e).sub(6))).add(4)),Hm=e=>Va($m,Va(e,Va(e,Va(-3,e).add(3)).add(3)).add(1)),jm=e=>Va($m,du(e,3)),qm=e=>zm(e).add(Wm(e)),Xm=e=>Hm(e).add(jm(e)),Ym=e=>Ia(-1,Wm(e).div(zm(e).add(Wm(e)))),Km=e=>Ia(1,jm(e).div(Hm(e).add(jm(e)))),Qm=(e,t,r)=>{const s=e.uvNode,i=Va(s,t.zw).add(.5),n=Eo(i),a=Co(i),o=qm(a.x),u=Xm(a.x),l=Ym(a.x),d=Km(a.x),c=Ym(a.y),h=Km(a.y),p=Sn(n.x.add(l),n.y.add(c)).sub(.5).mul(t.xy),g=Sn(n.x.add(d),n.y.add(c)).sub(.5).mul(t.xy),m=Sn(n.x.add(l),n.y.add(h)).sub(.5).mul(t.xy),f=Sn(n.x.add(d),n.y.add(h)).sub(.5).mul(t.xy),y=qm(a.y).mul(Ia(o.mul(e.sample(p).level(r)),u.mul(e.sample(g).level(r)))),b=Xm(a.y).mul(Ia(o.mul(e.sample(m).level(r)),u.mul(e.sample(f).level(r))));return y.add(b)},Zm=gn(([e,t])=>{const r=Sn(e.size(_n(t))),s=Sn(e.size(_n(t.add(1)))),i=ka(1,r),n=ka(1,s),a=Qm(e,Ln(i,r),Eo(t)),o=Qm(e,Ln(n,s),wo(t));return Co(t).mix(a,o)}),Jm=gn(([e,t])=>{const r=t.mul(Yl(e));return Zm(e,r)}),ef=gn(([e,t,r,s,i])=>{const n=An(Tu(t.negate(),Ao(e),ka(1,s))),a=An(Wo(i[0].xyz),Wo(i[1].xyz),Wo(i[2].xyz));return Ao(n).mul(r.mul(a))}).setLayout({name:"getVolumeTransmissionRay",type:"vec3",inputs:[{name:"n",type:"vec3"},{name:"v",type:"vec3"},{name:"thickness",type:"float"},{name:"ior",type:"float"},{name:"modelMatrix",type:"mat4"}]}),tf=gn(([e,t])=>e.mul(bu(t.mul(2).sub(2),0,1))).setLayout({name:"applyIorToRoughness",type:"float",inputs:[{name:"roughness",type:"float"},{name:"ior",type:"float"}]}),rf=hg(),sf=gg(),nf=gn(([e,t,r],{material:s})=>{const i=(s.side===F?rf:sf).sample(e),n=No(gd.x).mul(tf(t,r));return Zm(i,n)}),af=gn(([e,t,r])=>(yn(r.notEqual(0),()=>{const s=vo(t).negate().div(r);return To(s.negate().mul(e))}),An(1))).setLayout({name:"volumeAttenuation",type:"vec3",inputs:[{name:"transmissionDistance",type:"float"},{name:"attenuationColor",type:"vec3"},{name:"attenuationDistance",type:"float"}]}),of=gn(([e,t,r,s,i,n,a,o,u,l,d,c,h,p,g])=>{let m,f;if(g){m=Ln().toVar(),f=An().toVar();const i=d.sub(1).mul(g.mul(.025)),n=An(d.sub(i),d,d.add(i));Kp({start:0,end:3},({i:i})=>{const d=n.element(i),g=ef(e,t,c,d,o),y=a.add(g),b=l.mul(u.mul(Ln(y,1))),x=Sn(b.xy.div(b.w)).toVar();x.addAssign(1),x.divAssign(2),x.assign(Sn(x.x,x.y.oneMinus()));const T=nf(x,r,d);m.element(i).assign(T.element(i)),m.a.addAssign(T.a),f.element(i).assign(s.element(i).mul(af(Wo(g),h,p).element(i)))}),m.a.divAssign(3)}else{const i=ef(e,t,c,d,o),n=a.add(i),g=l.mul(u.mul(Ln(n,1))),y=Sn(g.xy.div(g.w)).toVar();y.addAssign(1),y.divAssign(2),y.assign(Sn(y.x,y.y.oneMinus())),m=nf(y,r,d),f=s.mul(af(Wo(i),h,p))}const y=f.rgb.mul(m.rgb),b=e.dot(t).clamp(),x=An(Lm({dotNV:b,specularColor:i,specularF90:n,roughness:r})),T=f.r.add(f.g,f.b).div(3);return Ln(x.oneMinus().mul(y),m.a.oneMinus().mul(T).oneMinus())}),uf=In(3.2404542,-.969266,.0556434,-1.5371385,1.8760108,-.2040259,-.4985314,.041556,1.0572252),lf=(e,t)=>e.sub(t).div(e.add(t)).pow2(),df=gn(({outsideIOR:e,eta2:t,cosTheta1:r,thinFilmThickness:s,baseF0:i})=>{const n=yu(e,t,_u(0,.03,s)),a=e.div(n).pow2().mul(r.pow2().oneMinus()).oneMinus();yn(a.lessThan(0),()=>An(1));const o=a.sqrt(),u=lf(n,e),l=cm({f0:u,f90:1,dotVH:r}),d=l.oneMinus(),c=n.lessThan(e).select(Math.PI,0),h=Tn(Math.PI).sub(c),p=(e=>{const t=e.sqrt();return An(1).add(t).div(An(1).sub(t))})(i.clamp(0,.9999)),g=lf(p,n.toVec3()),m=cm({f0:g,f90:1,dotVH:o}),f=An(p.x.lessThan(n).select(Math.PI,0),p.y.lessThan(n).select(Math.PI,0),p.z.lessThan(n).select(Math.PI,0)),y=n.mul(s,o,2),b=An(h).add(f),x=l.mul(m).clamp(1e-5,.9999),T=x.sqrt(),_=d.pow2().mul(m).div(An(1).sub(x)),v=l.add(_).toVar(),N=_.sub(d).toVar();return Kp({start:1,end:2,condition:"<=",name:"m"},({m:e})=>{N.mulAssign(T);const t=((e,t)=>{const r=e.mul(2*Math.PI*1e-9),s=An(54856e-17,44201e-17,52481e-17),i=An(1681e3,1795300,2208400),n=An(43278e5,93046e5,66121e5),a=Tn(9747e-17*Math.sqrt(2*Math.PI*45282e5)).mul(r.mul(2239900).add(t.x).cos()).mul(r.pow2().mul(-45282e5).exp());let o=s.mul(n.mul(2*Math.PI).sqrt()).mul(i.mul(r).add(t).cos()).mul(r.pow2().negate().mul(n).exp());return o=An(o.x.add(a),o.y,o.z).div(1.0685e-7),uf.mul(o)})(Tn(e).mul(y),Tn(e).mul(b)).mul(2);v.addAssign(N.mul(t))}),v.max(An(0))}).setLayout({name:"evalIridescence",type:"vec3",inputs:[{name:"outsideIOR",type:"float"},{name:"eta2",type:"float"},{name:"cosTheta1",type:"float"},{name:"thinFilmThickness",type:"float"},{name:"baseF0",type:"vec3"}]}),cf=gn(({normal:e,viewDir:t,roughness:r})=>{const s=e.dot(t).saturate(),i=r.mul(r),n=r.add(.1).reciprocal(),a=Tn(-1.9362).add(r.mul(1.0678)).add(i.mul(.4573)).sub(n.mul(.8469)),o=Tn(-.6014).add(r.mul(.5538)).sub(i.mul(.467)).sub(n.mul(.1255));return a.mul(s).add(o).exp().saturate()}),hf=An(.04),pf=Tn(1);class gf extends om{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1){super(),this.clearcoat=e,this.sheen=t,this.iridescence=r,this.anisotropy=s,this.transmission=i,this.dispersion=n,this.clearcoatRadiance=null,this.clearcoatSpecularDirect=null,this.clearcoatSpecularIndirect=null,this.sheenSpecularDirect=null,this.sheenSpecularIndirect=null,this.iridescenceFresnel=null,this.iridescenceF0=null,this.iridescenceF0Dielectric=null,this.iridescenceF0Metallic=null}start(e){if(!0===this.clearcoat&&(this.clearcoatRadiance=An().toVar("clearcoatRadiance"),this.clearcoatSpecularDirect=An().toVar("clearcoatSpecularDirect"),this.clearcoatSpecularIndirect=An().toVar("clearcoatSpecularIndirect")),!0===this.sheen&&(this.sheenSpecularDirect=An().toVar("sheenSpecularDirect"),this.sheenSpecularIndirect=An().toVar("sheenSpecularIndirect")),!0===this.iridescence){const e=Cc.dot(xc).clamp(),t=df({outsideIOR:Tn(1),eta2:ea,cosTheta1:e,thinFilmThickness:ta,baseF0:aa}),r=df({outsideIOR:Tn(1),eta2:ea,cosTheta1:e,thinFilmThickness:ta,baseF0:Wn.rgb});this.iridescenceFresnel=yu(t,r,Xn),this.iridescenceF0Dielectric=Fm({f:t,f90:1,dotVH:e}),this.iridescenceF0Metallic=Fm({f:r,f90:1,dotVH:e}),this.iridescenceF0=yu(this.iridescenceF0Dielectric,this.iridescenceF0Metallic,Xn)}if(!0===this.transmission){const t=fc,r=zd.sub(fc).normalize(),s=Mc,i=e.context;i.backdrop=of(s,r,qn,Hn,oa,ua,t,tc,kd,Od,ga,fa,ba,ya,this.dispersion?xa:null),i.backdropAlpha=ma,Wn.a.mulAssign(yu(1,i.backdrop.a,ma))}super.start(e)}computeMultiscattering(e,t,r,s,i=null){const n=Cc.dot(xc).clamp(),a=Mm({roughness:qn,dotNV:n}),o=i?Jn.mix(s,i):s,u=o.mul(a.x).add(r.mul(a.y)),l=a.x.add(a.y).oneMinus(),d=o.add(o.oneMinus().mul(.047619)),c=u.mul(d).div(l.mul(d).oneMinus());e.addAssign(u),t.addAssign(c.mul(l))}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=Cc.dot(e).clamp().mul(t).toVar();if(!0===this.sheen){this.sheenSpecularDirect.addAssign(s.mul(Dm({lightDirection:e})));const t=cf({normal:Cc,viewDir:xc,roughness:Zn}),r=cf({normal:Cc,viewDir:e,roughness:Zn}),i=Qn.r.max(Qn.g).max(Qn.b).mul(t.max(r)).oneMinus();s.mulAssign(i)}if(!0===this.clearcoat){const r=Bc.dot(e).clamp().mul(t);this.clearcoatSpecularDirect.addAssign(r.mul(wm({lightDirection:e,f0:hf,f90:pf,roughness:Kn,normalView:Bc})))}r.directDiffuse.addAssign(s.mul(hm({diffuseColor:Hn}))),r.directSpecular.addAssign(s.mul(Bm({lightDirection:e,f0:oa,f90:1,roughness:qn,f:this.iridescenceFresnel,USE_IRIDESCENCE:this.iridescence,USE_ANISOTROPY:this.anisotropy})))}directRectArea({lightColor:e,lightPosition:t,halfWidth:r,halfHeight:s,reflectedLight:i,ltc_1:n,ltc_2:a}){const o=t.add(r).sub(s),u=t.sub(r).sub(s),l=t.sub(r).add(s),d=t.add(r).add(s),c=Cc,h=xc,p=bc.toVar(),g=Im({N:c,V:h,roughness:qn}),m=n.sample(g).toVar(),f=a.sample(g).toVar(),y=In(An(m.x,0,m.y),An(0,1,0),An(m.z,0,m.w)).toVar(),b=oa.mul(f.x).add(ua.sub(oa).mul(f.y)).toVar();if(i.directSpecular.addAssign(e.mul(b).mul(km({N:c,V:h,P:p,mInv:y,p0:o,p1:u,p2:l,p3:d}))),i.directDiffuse.addAssign(e.mul(Hn).mul(km({N:c,V:h,P:p,mInv:In(1,0,0,0,1,0,0,0,1),p0:o,p1:u,p2:l,p3:d}))),!0===this.clearcoat){const t=Bc,r=Im({N:t,V:h,roughness:Kn}),s=n.sample(r),i=a.sample(r),c=In(An(s.x,0,s.y),An(0,1,0),An(s.z,0,s.w)),g=hf.mul(i.x).add(pf.sub(hf).mul(i.y));this.clearcoatSpecularDirect.addAssign(e.mul(g).mul(km({N:t,V:h,P:p,mInv:c,p0:o,p1:u,p2:l,p3:d})))}}indirect(e){this.indirectDiffuse(e),this.indirectSpecular(e),this.ambientOcclusion(e)}indirectDiffuse(e){const{irradiance:t,reflectedLight:r}=e.context,s=t.mul(hm({diffuseColor:Hn})).toVar();if(!0===this.sheen){const e=cf({normal:Cc,viewDir:xc,roughness:Zn}),t=Qn.r.max(Qn.g).max(Qn.b).mul(e).oneMinus();s.mulAssign(t)}r.indirectDiffuse.addAssign(s)}indirectSpecular(e){const{radiance:t,iblIrradiance:r,reflectedLight:s}=e.context;if(!0===this.sheen&&this.sheenSpecularIndirect.addAssign(r.mul(Qn,cf({normal:Cc,viewDir:xc,roughness:Zn}))),!0===this.clearcoat){const e=Bc.dot(xc).clamp(),t=Lm({dotNV:e,specularColor:hf,specularF90:pf,roughness:Kn});this.clearcoatSpecularIndirect.addAssign(this.clearcoatRadiance.mul(t))}const i=An().toVar("singleScatteringDielectric"),n=An().toVar("multiScatteringDielectric"),a=An().toVar("singleScatteringMetallic"),o=An().toVar("multiScatteringMetallic");this.computeMultiscattering(i,n,ua,aa,this.iridescenceF0Dielectric),this.computeMultiscattering(a,o,ua,Wn.rgb,this.iridescenceF0Metallic);const u=yu(i,a,Xn),l=yu(n,o,Xn),d=i.add(n),c=Hn.mul(d.oneMinus()),h=r.mul(1/Math.PI),p=t.mul(u).add(l.mul(h)).toVar(),g=c.mul(h).toVar();if(!0===this.sheen){const e=cf({normal:Cc,viewDir:xc,roughness:Zn}),t=Qn.r.max(Qn.g).max(Qn.b).mul(e).oneMinus();p.mulAssign(t),g.mulAssign(t)}s.indirectSpecular.addAssign(p),s.indirectDiffuse.addAssign(g)}ambientOcclusion(e){const{ambientOcclusion:t,reflectedLight:r}=e.context,s=Cc.dot(xc).clamp().add(t),i=qn.mul(-16).oneMinus().negate().exp2(),n=t.sub(s.pow(i).oneMinus()).clamp();!0===this.clearcoat&&this.clearcoatSpecularIndirect.mulAssign(t),!0===this.sheen&&this.sheenSpecularIndirect.mulAssign(t),r.indirectDiffuse.mulAssign(t),r.indirectSpecular.mulAssign(n)}finish({context:e}){const{outgoingLight:t}=e;if(!0===this.clearcoat){const e=Bc.dot(xc).clamp(),r=cm({dotVH:e,f0:hf,f90:pf}),s=t.mul(Yn.mul(r).oneMinus()).add(this.clearcoatSpecularDirect.add(this.clearcoatSpecularIndirect).mul(Yn));t.assign(s)}if(!0===this.sheen){const e=t.add(this.sheenSpecularDirect,this.sheenSpecularIndirect.mul(1/Math.PI));t.assign(e)}}}const mf=Tn(1),ff=Tn(-2),yf=Tn(.8),bf=Tn(-1),xf=Tn(.4),Tf=Tn(2),_f=Tn(.305),vf=Tn(3),Nf=Tn(.21),Sf=Tn(4),Rf=Tn(4),Ef=Tn(16),wf=gn(([e])=>{const t=An($o(e)).toVar(),r=Tn(-1).toVar();return yn(t.x.greaterThan(t.z),()=>{yn(t.x.greaterThan(t.y),()=>{r.assign(Mu(e.x.greaterThan(0),0,3))}).Else(()=>{r.assign(Mu(e.y.greaterThan(0),1,4))})}).Else(()=>{yn(t.z.greaterThan(t.y),()=>{r.assign(Mu(e.z.greaterThan(0),2,5))}).Else(()=>{r.assign(Mu(e.y.greaterThan(0),1,4))})}),r}).setLayout({name:"getFace",type:"float",inputs:[{name:"direction",type:"vec3"}]}),Af=gn(([e,t])=>{const r=Sn().toVar();return yn(t.equal(0),()=>{r.assign(Sn(e.z,e.y).div($o(e.x)))}).ElseIf(t.equal(1),()=>{r.assign(Sn(e.x.negate(),e.z.negate()).div($o(e.y)))}).ElseIf(t.equal(2),()=>{r.assign(Sn(e.x.negate(),e.y).div($o(e.z)))}).ElseIf(t.equal(3),()=>{r.assign(Sn(e.z.negate(),e.y).div($o(e.x)))}).ElseIf(t.equal(4),()=>{r.assign(Sn(e.x.negate(),e.z).div($o(e.y)))}).Else(()=>{r.assign(Sn(e.x,e.y).div($o(e.z)))}),Va(.5,r.add(1))}).setLayout({name:"getUV",type:"vec2",inputs:[{name:"direction",type:"vec3"},{name:"face",type:"float"}]}),Cf=gn(([e])=>{const t=Tn(0).toVar();return yn(e.greaterThanEqual(yf),()=>{t.assign(mf.sub(e).mul(bf.sub(ff)).div(mf.sub(yf)).add(ff))}).ElseIf(e.greaterThanEqual(xf),()=>{t.assign(yf.sub(e).mul(Tf.sub(bf)).div(yf.sub(xf)).add(bf))}).ElseIf(e.greaterThanEqual(_f),()=>{t.assign(xf.sub(e).mul(vf.sub(Tf)).div(xf.sub(_f)).add(Tf))}).ElseIf(e.greaterThanEqual(Nf),()=>{t.assign(_f.sub(e).mul(Sf.sub(vf)).div(_f.sub(Nf)).add(vf))}).Else(()=>{t.assign(Tn(-2).mul(No(Va(1.16,e))))}),t}).setLayout({name:"roughnessToMip",type:"float",inputs:[{name:"roughness",type:"float"}]}),Mf=gn(([e,t])=>{const r=e.toVar();r.assign(Va(2,r).sub(1));const s=An(r,1).toVar();return yn(t.equal(0),()=>{s.assign(s.zyx)}).ElseIf(t.equal(1),()=>{s.assign(s.xzy),s.xz.mulAssign(-1)}).ElseIf(t.equal(2),()=>{s.x.mulAssign(-1)}).ElseIf(t.equal(3),()=>{s.assign(s.zyx),s.xz.mulAssign(-1)}).ElseIf(t.equal(4),()=>{s.assign(s.xzy),s.xy.mulAssign(-1)}).ElseIf(t.equal(5),()=>{s.z.mulAssign(-1)}),s}).setLayout({name:"getDirection",type:"vec3",inputs:[{name:"uv",type:"vec2"},{name:"face",type:"float"}]}),Bf=gn(([e,t,r,s,i,n])=>{const a=Tn(r),o=An(t),u=bu(Cf(a),ff,n),l=Co(u),d=Eo(u),c=An(Lf(e,o,d,s,i,n)).toVar();return yn(l.notEqual(0),()=>{const t=An(Lf(e,o,d.add(1),s,i,n)).toVar();c.assign(yu(c,t,l))}),c}),Lf=gn(([e,t,r,s,i,n])=>{const a=Tn(r).toVar(),o=An(t),u=Tn(wf(o)).toVar(),l=Tn(su(Rf.sub(a),0)).toVar();a.assign(su(a,Rf));const d=Tn(_o(a)).toVar(),c=Sn(Af(o,u).mul(d.sub(2)).add(1)).toVar();return yn(u.greaterThan(2),()=>{c.y.addAssign(d),u.subAssign(3)}),c.x.addAssign(u.mul(d)),c.x.addAssign(l.mul(Va(3,Ef))),c.y.addAssign(Va(4,_o(n).sub(d))),c.x.mulAssign(s),c.y.mulAssign(i),e.sample(c).grad(Sn(),Sn())}),Ff=gn(({envMap:e,mipInt:t,outputDirection:r,theta:s,axis:i,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:a,CUBEUV_MAX_MIP:o})=>{const u=Lo(s),l=r.mul(u).add(i.cross(r).mul(Mo(s))).add(i.mul(i.dot(r).mul(u.oneMinus())));return Lf(e,l,t,n,a,o)}),Pf=gn(({n:e,latitudinal:t,poleAxis:r,outputDirection:s,weights:i,samples:n,dTheta:a,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})=>{const h=An(Mu(t,r,lu(r,s))).toVar();yn(h.equal(An(0)),()=>{h.assign(An(s.z,0,s.x.negate()))}),h.assign(Ao(h));const p=An().toVar();return p.addAssign(i.element(0).mul(Ff({theta:0,axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),Kp({start:_n(1),end:e},({i:e})=>{yn(e.greaterThanEqual(n),()=>{Qp()});const t=Tn(a.mul(Tn(e))).toVar();p.addAssign(i.element(e).mul(Ff({theta:t.mul(-1),axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),p.addAssign(i.element(e).mul(Ff({theta:t,axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})))}),Ln(p,1)}),Uf=gn(([e])=>{const t=vn(e).toVar();return t.assign(t.shiftLeft(vn(16)).bitOr(t.shiftRight(vn(16)))),t.assign(t.bitAnd(vn(1431655765)).shiftLeft(vn(1)).bitOr(t.bitAnd(vn(2863311530)).shiftRight(vn(1)))),t.assign(t.bitAnd(vn(858993459)).shiftLeft(vn(2)).bitOr(t.bitAnd(vn(3435973836)).shiftRight(vn(2)))),t.assign(t.bitAnd(vn(252645135)).shiftLeft(vn(4)).bitOr(t.bitAnd(vn(4042322160)).shiftRight(vn(4)))),t.assign(t.bitAnd(vn(16711935)).shiftLeft(vn(8)).bitOr(t.bitAnd(vn(4278255360)).shiftRight(vn(8)))),Tn(t).mul(2.3283064365386963e-10)}),Df=gn(([e,t])=>Sn(Tn(e).div(Tn(t)),Uf(e))),If=gn(([e,t,r])=>{const s=r.mul(r).toConst(),i=An(1,0,0).toConst(),n=lu(t,i).toConst(),a=So(e.x).toConst(),o=Va(2,3.14159265359).mul(e.y).toConst(),u=a.mul(Lo(o)).toConst(),l=a.mul(Mo(o)).toVar(),d=Va(.5,t.z.add(1)).toConst();l.assign(d.oneMinus().mul(So(u.mul(u).oneMinus())).add(d.mul(l)));const c=i.mul(u).add(n.mul(l)).add(t.mul(So(su(0,u.mul(u).add(l.mul(l)).oneMinus()))));return Ao(An(s.mul(c.x),s.mul(c.y),su(0,c.z)))}),Of=gn(({roughness:e,mipInt:t,envMap:r,N_immutable:s,GGX_SAMPLES:i,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:a,CUBEUV_MAX_MIP:o})=>{const u=An(s).toVar(),l=An(0).toVar(),d=Tn(0).toVar();return yn(e.lessThan(.001),()=>{l.assign(Lf(r,u,t,n,a,o))}).Else(()=>{const s=Mu($o(u.z).lessThan(.999),An(0,0,1),An(1,0,0)),c=Ao(lu(s,u)).toVar(),h=lu(u,c).toVar();Kp({start:vn(0),end:i},({i:s})=>{const p=Df(s,i),g=If(p,An(0,0,1),e),m=Ao(c.mul(g.x).add(h.mul(g.y)).add(u.mul(g.z))),f=Ao(m.mul(uu(u,m).mul(2)).sub(u)),y=su(uu(u,f),0);yn(y.greaterThan(0),()=>{const e=Lf(r,f,t,n,a,o);l.addAssign(e.mul(y)),d.addAssign(y)})}),yn(d.greaterThan(0),()=>{l.assign(l.div(d))})}),Ln(l,1)}),Vf=[.125,.215,.35,.446,.526,.582],kf=20,Gf=new Ne(-1,1,1,-1,0,1),$f=new Se(90,1),zf=new e;let Wf=null,Hf=0,jf=0;const qf=new r,Xf=new WeakMap,Yf=[3,1,5,0,4,2],Kf=Mf(Hl(),Wl("faceIndex")).normalize(),Qf=An(Kf.x,Kf.y,Kf.z);class Zf{constructor(e){this._renderer=e,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._sizeLods=[],this._sigmas=[],this._lodMeshes=[],this._blurMaterial=null,this._ggxMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._backgroundBox=null}get _hasInitialized(){return this._renderer.hasInitialized()}fromScene(e,t=0,r=.1,s=100,i={}){const{size:n=256,position:a=qf,renderTarget:o=null}=i;if(this._setSize(n),!1===this._hasInitialized)throw new Error('THREE.PMREMGenerator: .fromScene() called before the backend is initialized. Use "await renderer.init();" before using this method.');Wf=this._renderer.getRenderTarget(),Hf=this._renderer.getActiveCubeFace(),jf=this._renderer.getActiveMipmapLevel();const u=o||this._allocateTarget(!0);return this._init(u),this._sceneToCubeUV(e,r,s,u,a),t>0&&this._blur(u,0,0,t),this._applyPMREM(u),this._cleanup(u),u}async fromSceneAsync(e,t=0,r=.1,s=100,i={}){return v('PMREMGenerator: ".fromSceneAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this.fromScene(e,t,r,s,i)}fromEquirectangular(e,t=null){if(!1===this._hasInitialized)throw new Error('THREE.PMREMGenerator: .fromEquirectangular() called before the backend is initialized. Use "await renderer.init();" before using this method.');return this._fromTexture(e,t)}async fromEquirectangularAsync(e,t=null){return v('PMREMGenerator: ".fromEquirectangularAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this._fromTexture(e,t)}fromCubemap(e,t=null){if(!1===this._hasInitialized)throw new Error('THREE.PMREMGenerator: .fromCubemap() called before the backend is initialized. Use "await renderer.init();" before using this method.');return this._fromTexture(e,t)}async fromCubemapAsync(e,t=null){return v('PMREMGenerator: ".fromCubemapAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this._fromTexture(e,t)}async compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=ty(),await this._compileMaterial(this._cubemapMaterial))}async compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=ry(),await this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose(),null!==this._backgroundBox&&(this._backgroundBox.geometry.dispose(),this._backgroundBox.material.dispose())}_setSizeFromTexture(e){e.mapping===D||e.mapping===I?this._setSize(0===e.image.length?16:e.image[0].width||e.image[0].image.width):this._setSize(e.image.width/4)}_setSize(e){this._lodMax=Math.floor(Math.log2(e)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._ggxMaterial&&this._ggxMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let e=0;e<this._lodMeshes.length;e++)this._lodMeshes[e].geometry.dispose()}_cleanup(e){this._renderer.setRenderTarget(Wf,Hf,jf),e.scissorTest=!1,this._setViewport(e,0,0,e.width,e.height)}_fromTexture(e,t){this._setSizeFromTexture(e),Wf=this._renderer.getRenderTarget(),Hf=this._renderer.getActiveCubeFace(),jf=this._renderer.getActiveMipmapLevel();const r=t||this._allocateTarget(!1);return this._init(r),this._textureToCubeUV(e,r),this._applyPMREM(r),this._cleanup(r),r}_allocateTarget(e){return Jf(3*Math.max(this._cubeSize,112),4*this._cubeSize,e)}_init(e){if(null===this._pingPongRenderTarget||this._pingPongRenderTarget.width!==e.width||this._pingPongRenderTarget.height!==e.height){null!==this._pingPongRenderTarget&&this._dispose(),this._pingPongRenderTarget=Jf(e.width,e.height);const{_lodMax:t}=this;({lodMeshes:this._lodMeshes,sizeLods:this._sizeLods,sigmas:this._sigmas}=function(e){const t=[],r=[],s=[];let i=e;const n=e-4+1+Vf.length;for(let a=0;a<n;a++){const n=Math.pow(2,i);t.push(n);let o=1/n;a>e-4?o=Vf[a-e+4-1]:0===a&&(o=0),r.push(o);const u=1/(n-2),l=-u,d=1+u,c=[l,l,d,l,d,d,l,l,d,d,l,d],h=6,p=6,g=3,m=2,f=1,y=new Float32Array(g*p*h),b=new Float32Array(m*p*h),x=new Float32Array(f*p*h);for(let e=0;e<h;e++){const t=e%3*2/3-1,r=e>2?0:-1,s=[t,r,0,t+2/3,r,0,t+2/3,r+1,0,t,r,0,t+2/3,r+1,0,t,r+1,0],i=Yf[e];y.set(s,g*p*i),b.set(c,m*p*i);const n=[i,i,i,i,i,i];x.set(n,f*p*i)}const T=new ve;T.setAttribute("position",new Ae(y,g)),T.setAttribute("uv",new Ae(b,m)),T.setAttribute("faceIndex",new Ae(x,f)),s.push(new oe(T,null)),i>4&&i--}return{lodMeshes:s,sizeLods:t,sigmas:r}}(t)),this._blurMaterial=function(e,t,s){const i=ad(new Array(kf).fill(0)),n=Aa(new r(0,1,0)),a=Aa(0),o=Tn(kf),u=Aa(0),l=Aa(1),d=ed(),c=Aa(0),h=Tn(1/t),p=Tn(1/s),g=Tn(e),m={n:o,latitudinal:u,weights:i,poleAxis:n,outputDirection:Qf,dTheta:a,samples:l,envMap:d,mipInt:c,CUBEUV_TEXEL_WIDTH:h,CUBEUV_TEXEL_HEIGHT:p,CUBEUV_MAX_MIP:g},f=ey("blur");return f.fragmentNode=Pf({...m,latitudinal:u.equal(1)}),Xf.set(f,m),f}(t,e.width,e.height),this._ggxMaterial=function(e,t,r){const s=ed(),i=Aa(0),n=Aa(0),a=Tn(1/t),o=Tn(1/r),u=Tn(e),l={envMap:s,roughness:i,mipInt:n,CUBEUV_TEXEL_WIDTH:a,CUBEUV_TEXEL_HEIGHT:o,CUBEUV_MAX_MIP:u},d=ey("ggx");return d.fragmentNode=Of({...l,N_immutable:Qf,GGX_SAMPLES:vn(512)}),Xf.set(d,l),d}(t,e.width,e.height)}}async _compileMaterial(e){const t=new oe(new ve,e);await this._renderer.compile(t,Gf)}_sceneToCubeUV(e,t,r,s,i){const n=$f;n.near=t,n.far=r;const a=[1,1,1,1,-1,1],o=[1,-1,1,-1,1,-1],u=this._renderer,l=u.autoClear;u.getClearColor(zf),u.autoClear=!1,null===this._backgroundBox&&(this._backgroundBox=new oe(new ae,new fe({name:"PMREM.Background",side:F,depthWrite:!1,depthTest:!1})));const d=this._backgroundBox,c=d.material;let h=!1;const p=e.background;p?p.isColor&&(c.color.copy(p),e.background=null,h=!0):(c.color.copy(zf),h=!0),u.setRenderTarget(s),u.clear(),h&&u.render(d,n);for(let t=0;t<6;t++){const r=t%3;0===r?(n.up.set(0,a[t],0),n.position.set(i.x,i.y,i.z),n.lookAt(i.x+o[t],i.y,i.z)):1===r?(n.up.set(0,0,a[t]),n.position.set(i.x,i.y,i.z),n.lookAt(i.x,i.y+o[t],i.z)):(n.up.set(0,a[t],0),n.position.set(i.x,i.y,i.z),n.lookAt(i.x,i.y,i.z+o[t]));const l=this._cubeSize;this._setViewport(s,r*l,t>2?l:0,l,l),u.render(e,n)}u.autoClear=l,e.background=p}_textureToCubeUV(e,t){const r=this._renderer,s=e.mapping===D||e.mapping===I;s?null===this._cubemapMaterial&&(this._cubemapMaterial=ty(e)):null===this._equirectMaterial&&(this._equirectMaterial=ry(e));const i=s?this._cubemapMaterial:this._equirectMaterial;i.fragmentNode.value=e;const n=this._lodMeshes[0];n.material=i;const a=this._cubeSize;this._setViewport(t,0,0,3*a,2*a),r.setRenderTarget(t),r.render(n,Gf)}_applyPMREM(e){const t=this._renderer,r=t.autoClear;t.autoClear=!1;const s=this._lodMeshes.length;for(let t=1;t<s;t++)this._applyGGXFilter(e,t-1,t);t.autoClear=r}_applyGGXFilter(e,t,r){const s=this._renderer,i=this._pingPongRenderTarget,n=this._ggxMaterial,a=this._lodMeshes[r];a.material=n;const o=Xf.get(n),u=r/(this._lodMeshes.length-1),l=t/(this._lodMeshes.length-1),d=Math.sqrt(u*u-l*l)*(0+1.25*u),{_lodMax:c}=this,h=this._sizeLods[r],p=3*h*(r>c-4?r-c+4:0),g=4*(this._cubeSize-h);e.texture.frame=(e.texture.frame||0)+1,o.envMap.value=e.texture,o.roughness.value=d,o.mipInt.value=c-t,this._setViewport(i,p,g,3*h,2*h),s.setRenderTarget(i),s.render(a,Gf),i.texture.frame=(i.texture.frame||0)+1,o.envMap.value=i.texture,o.roughness.value=0,o.mipInt.value=c-r,this._setViewport(e,p,g,3*h,2*h),s.setRenderTarget(e),s.render(a,Gf)}_blur(e,t,r,s,i){const n=this._pingPongRenderTarget;this._halfBlur(e,n,t,r,s,"latitudinal",i),this._halfBlur(n,e,r,r,s,"longitudinal",i)}_halfBlur(e,t,r,s,i,n,a){const u=this._renderer,l=this._blurMaterial;"latitudinal"!==n&&"longitudinal"!==n&&o("blur direction must be either latitudinal or longitudinal!");const c=this._lodMeshes[s];c.material=l;const h=Xf.get(l),p=this._sizeLods[r]-1,g=isFinite(i)?Math.PI/(2*p):2*Math.PI/39,m=i/g,f=isFinite(i)?1+Math.floor(3*m):kf;f>kf&&d(`sigmaRadians, ${i}, is too large and will clip, as it requested ${f} samples when the maximum is set to 20`);const y=[];let b=0;for(let e=0;e<kf;++e){const t=e/m,r=Math.exp(-t*t/2);y.push(r),0===e?b+=r:e<f&&(b+=2*r)}for(let e=0;e<y.length;e++)y[e]=y[e]/b;e.texture.frame=(e.texture.frame||0)+1,h.envMap.value=e.texture,h.samples.value=f,h.weights.array=y,h.latitudinal.value="latitudinal"===n?1:0,a&&(h.poleAxis.value=a);const{_lodMax:x}=this;h.dTheta.value=g,h.mipInt.value=x-r;const T=this._sizeLods[s],_=3*T*(s>x-4?s-x+4:0),v=4*(this._cubeSize-T);this._setViewport(t,_,v,3*T,2*T),u.setRenderTarget(t),u.render(c,Gf)}_setViewport(e,t,r,s,i){this._renderer.isWebGLRenderer?(e.viewport.set(t,e.height-i-r,s,i),e.scissor.set(t,e.height-i-r,s,i)):(e.viewport.set(t,r,s,i),e.scissor.set(t,r,s,i))}}function Jf(e,t,r){const s=new ne(e,t,{magFilter:le,minFilter:le,generateMipmaps:!1,type:Te,format:Ee,colorSpace:Re,depthBuffer:r});return s.texture.mapping=we,s.texture.name="PMREM.cubeUv",s.texture.isPMREMTexture=!0,s.scissorTest=!0,s}function ey(e){const t=new Ug;return t.depthTest=!1,t.depthWrite=!1,t.blending=re,t.name=`PMREM_${e}`,t}function ty(e){const t=ey("cubemap");return t.fragmentNode=Xc(e,Qf),t}function ry(e){const t=ey("equirect");return t.fragmentNode=ed(e,Zg(Qf),0),t}const sy=new WeakMap;function iy(e,t,r){const s=function(e){let t=sy.get(e);void 0===t&&(t=new WeakMap,sy.set(e,t));return t}(t);let i=s.get(e);if((void 0!==i?i.pmremVersion:-1)!==e.pmremVersion){const t=e.image;if(e.isCubeTexture){if(!function(e){if(null==e)return!1;let t=0;const r=6;for(let s=0;s<r;s++)void 0!==e[s]&&t++;return t===r}(t))return null;i=r.fromCubemap(e,i)}else{if(!function(e){return null!=e&&e.height>0}(t))return null;i=r.fromEquirectangular(e,i)}i.pmremVersion=e.pmremVersion,s.set(e,i)}return i.texture}class ny extends fi{static get type(){return"PMREMNode"}constructor(e,t=null,r=null){super("vec3"),this._value=e,this._pmrem=null,this.uvNode=t,this.levelNode=r,this._generator=null;const s=new N;s.isRenderTargetTexture=!0,this._texture=ed(s),this._width=Aa(0),this._height=Aa(0),this._maxMip=Aa(0),this.updateBeforeType=ii.RENDER}set value(e){this._value=e,this._pmrem=null}get value(){return this._value}updateFromTexture(e){const t=function(e){const t=Math.log2(e)-2,r=1/e;return{texelWidth:1/(3*Math.max(Math.pow(2,t),112)),texelHeight:r,maxMip:t}}(e.image.height);this._texture.value=e,this._width.value=t.texelWidth,this._height.value=t.texelHeight,this._maxMip.value=t.maxMip}updateBefore(e){let t=this._pmrem;const r=t?t.pmremVersion:-1,s=this._value;r!==s.pmremVersion&&(t=!0===s.isPMREMTexture||s.mapping===we?s:iy(s,e.renderer,this._generator),null!==t&&(this._pmrem=t,this.updateFromTexture(t)))}setup(e){null===this._generator&&(this._generator=new Zf(e.renderer)),this.updateBefore(e);let t=this.uvNode;null===t&&e.context.getUV&&(t=e.context.getUV(this,e)),t=this._pmrem.isRenderTargetTexture?kc.mul(An(t.x,t.y.negate(),t.z)):kc.mul(t);let r=this.levelNode;return null===r&&e.context.getTextureLevel&&(r=e.context.getTextureLevel(this)),Bf(this._texture,t,r,this._width,this._height,this._maxMip)}dispose(){super.dispose(),null!==this._generator&&this._generator.dispose()}}const ay=un(ny).setParameterLength(1,3),oy=new WeakMap;class uy extends ig{static get type(){return"EnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){const{material:t}=e;let r=this.envNode;if(r.isTextureNode||r.isMaterialReferenceNode){const s=r.isTextureNode?r.value:t[r.property],i=this._getPMREMNodeCache(e.renderer);let n=i.get(s);void 0===n&&(n=ay(s),i.set(s,n)),r=n}const s=!0===t.useAnisotropy||t.anisotropy>0?Eh:Cc,i=r.context(ly(qn,s)).mul(Vc),n=r.context(dy(Mc)).mul(Math.PI).mul(Vc),a=Rl(i),o=Rl(n);e.context.radiance.addAssign(a),e.context.iblIrradiance.addAssign(o);const u=e.context.lightingModel.clearcoatRadiance;if(u){const e=r.context(ly(Kn,Bc)).mul(Vc),t=Rl(e);u.addAssign(t)}}_getPMREMNodeCache(e){let t=oy.get(e);return void 0===t&&(t=new WeakMap,oy.set(e,t)),t}}const ly=(e,t)=>{let r=null;return{getUV:()=>(null===r&&(r=xc.negate().reflect(t),r=pu(e).mix(r,t).normalize(),r=r.transformDirection(kd)),r),getTextureLevel:()=>e}},dy=e=>({getUV:()=>e,getTextureLevel:()=>Tn(1)}),cy=new Ce;class hy extends Ug{static get type(){return"MeshStandardNodeMaterial"}constructor(e){super(),this.isMeshStandardNodeMaterial=!0,this.lights=!0,this.emissiveNode=null,this.metalnessNode=null,this.roughnessNode=null,this.setDefaultValues(cy),this.setValues(e)}setupEnvironment(e){let t=super.setupEnvironment(e);return null===t&&e.environmentNode&&(t=e.environmentNode),t?new uy(t):null}setupLightingModel(){return new gf}setupSpecular(){const e=yu(An(.04),Wn.rgb,Xn);aa.assign(An(.04)),oa.assign(e),ua.assign(1)}setupVariants(){const e=this.metalnessNode?Tn(this.metalnessNode):Yh;Xn.assign(e);let t=this.roughnessNode?Tn(this.roughnessNode):Xh;t=_m({roughness:t}),qn.assign(t),this.setupSpecular(),Hn.assign(Wn.rgb.mul(e.oneMinus()))}copy(e){return this.emissiveNode=e.emissiveNode,this.metalnessNode=e.metalnessNode,this.roughnessNode=e.roughnessNode,super.copy(e)}}const py=new Me;class gy extends hy{static get type(){return"MeshPhysicalNodeMaterial"}constructor(e){super(),this.isMeshPhysicalNodeMaterial=!0,this.clearcoatNode=null,this.clearcoatRoughnessNode=null,this.clearcoatNormalNode=null,this.sheenNode=null,this.sheenRoughnessNode=null,this.iridescenceNode=null,this.iridescenceIORNode=null,this.iridescenceThicknessNode=null,this.specularIntensityNode=null,this.specularColorNode=null,this.iorNode=null,this.transmissionNode=null,this.thicknessNode=null,this.attenuationDistanceNode=null,this.attenuationColorNode=null,this.dispersionNode=null,this.anisotropyNode=null,this.setDefaultValues(py),this.setValues(e)}get useClearcoat(){return this.clearcoat>0||null!==this.clearcoatNode}get useIridescence(){return this.iridescence>0||null!==this.iridescenceNode}get useSheen(){return this.sheen>0||null!==this.sheenNode}get useAnisotropy(){return this.anisotropy>0||null!==this.anisotropyNode}get useTransmission(){return this.transmission>0||null!==this.transmissionNode}get useDispersion(){return this.dispersion>0||null!==this.dispersionNode}setupSpecular(){const e=this.iorNode?Tn(this.iorNode):lp;ga.assign(e),aa.assign(ru(cu(ga.sub(1).div(ga.add(1))).mul(Hh),An(1)).mul(Wh)),oa.assign(yu(aa,Wn.rgb,Xn)),ua.assign(yu(Wh,1,Xn))}setupLightingModel(){return new gf(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion)}setupVariants(e){if(super.setupVariants(e),this.useClearcoat){const e=this.clearcoatNode?Tn(this.clearcoatNode):Qh,t=this.clearcoatRoughnessNode?Tn(this.clearcoatRoughnessNode):Zh;Yn.assign(e),Kn.assign(_m({roughness:t}))}if(this.useSheen){const e=this.sheenNode?An(this.sheenNode):tp,t=this.sheenRoughnessNode?Tn(this.sheenRoughnessNode):rp;Qn.assign(e),Zn.assign(t)}if(this.useIridescence){const e=this.iridescenceNode?Tn(this.iridescenceNode):ip,t=this.iridescenceIORNode?Tn(this.iridescenceIORNode):np,r=this.iridescenceThicknessNode?Tn(this.iridescenceThicknessNode):ap;Jn.assign(e),ea.assign(t),ta.assign(r)}if(this.useAnisotropy){const e=(this.anisotropyNode?Sn(this.anisotropyNode):sp).toVar();sa.assign(e.length()),yn(sa.equal(0),()=>{e.assign(Sn(1,0))}).Else(()=>{e.divAssign(Sn(sa)),sa.assign(sa.saturate())}),ra.assign(sa.pow2().mix(qn.pow2(),1)),ia.assign(Sh[0].mul(e.x).add(Sh[1].mul(e.y))),na.assign(Sh[1].mul(e.x).sub(Sh[0].mul(e.y)))}if(this.useTransmission){const e=this.transmissionNode?Tn(this.transmissionNode):op,t=this.thicknessNode?Tn(this.thicknessNode):up,r=this.attenuationDistanceNode?Tn(this.attenuationDistanceNode):dp,s=this.attenuationColorNode?An(this.attenuationColorNode):cp;if(ma.assign(e),fa.assign(t),ya.assign(r),ba.assign(s),this.useDispersion){const e=this.dispersionNode?Tn(this.dispersionNode):bp;xa.assign(e)}}}setupClearcoatNormal(){return this.clearcoatNormalNode?An(this.clearcoatNormalNode):Jh}setup(e){e.context.setupClearcoatNormal=()=>Wu(this.setupClearcoatNormal(e),"NORMAL","vec3"),super.setup(e)}copy(e){return this.clearcoatNode=e.clearcoatNode,this.clearcoatRoughnessNode=e.clearcoatRoughnessNode,this.clearcoatNormalNode=e.clearcoatNormalNode,this.sheenNode=e.sheenNode,this.sheenRoughnessNode=e.sheenRoughnessNode,this.iridescenceNode=e.iridescenceNode,this.iridescenceIORNode=e.iridescenceIORNode,this.iridescenceThicknessNode=e.iridescenceThicknessNode,this.specularIntensityNode=e.specularIntensityNode,this.specularColorNode=e.specularColorNode,this.iorNode=e.iorNode,this.transmissionNode=e.transmissionNode,this.thicknessNode=e.thicknessNode,this.attenuationDistanceNode=e.attenuationDistanceNode,this.attenuationColorNode=e.attenuationColorNode,this.dispersionNode=e.dispersionNode,this.anisotropyNode=e.anisotropyNode,super.copy(e)}}class my extends gf{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1,a=!1){super(e,t,r,s,i,n),this.useSSS=a}direct({lightDirection:e,lightColor:t,reflectedLight:r},s){if(!0===this.useSSS){const i=s.material,{thicknessColorNode:n,thicknessDistortionNode:a,thicknessAmbientNode:o,thicknessAttenuationNode:u,thicknessPowerNode:l,thicknessScaleNode:d}=i,c=e.add(Cc.mul(a)).normalize(),h=Tn(xc.dot(c.negate()).saturate().pow(l).mul(d)),p=An(h.add(o).mul(n));r.directDiffuse.addAssign(p.mul(u.mul(t)))}super.direct({lightDirection:e,lightColor:t,reflectedLight:r},s)}}class fy extends gy{static get type(){return"MeshSSSNodeMaterial"}constructor(e){super(e),this.thicknessColorNode=null,this.thicknessDistortionNode=Tn(.1),this.thicknessAmbientNode=Tn(0),this.thicknessAttenuationNode=Tn(.1),this.thicknessPowerNode=Tn(2),this.thicknessScaleNode=Tn(10)}get useSSS(){return null!==this.thicknessColorNode}setupLightingModel(){return new my(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion,this.useSSS)}copy(e){return this.thicknessColorNode=e.thicknessColorNode,this.thicknessDistortionNode=e.thicknessDistortionNode,this.thicknessAmbientNode=e.thicknessAmbientNode,this.thicknessAttenuationNode=e.thicknessAttenuationNode,this.thicknessPowerNode=e.thicknessPowerNode,this.thicknessScaleNode=e.thicknessScaleNode,super.copy(e)}}const yy=gn(({normal:e,lightDirection:t,builder:r})=>{const s=e.dot(t),i=Sn(s.mul(.5).add(.5),0);if(r.material.gradientMap){const e=eh("gradientMap","texture").context({getUV:()=>i});return An(e.r)}{const e=i.fwidth().mul(.5);return yu(An(.7),An(1),_u(Tn(.7).sub(e.x),Tn(.7).add(e.x),i.x))}});class by extends om{direct({lightDirection:e,lightColor:t,reflectedLight:r},s){const i=yy({normal:Sc,lightDirection:e,builder:s}).mul(t);r.directDiffuse.addAssign(i.mul(hm({diffuseColor:Wn.rgb})))}indirect(e){const{ambientOcclusion:t,irradiance:r,reflectedLight:s}=e.context;s.indirectDiffuse.addAssign(r.mul(hm({diffuseColor:Wn}))),s.indirectDiffuse.mulAssign(t)}}const xy=new Be;class Ty extends Ug{static get type(){return"MeshToonNodeMaterial"}constructor(e){super(),this.isMeshToonNodeMaterial=!0,this.lights=!0,this.setDefaultValues(xy),this.setValues(e)}setupLightingModel(){return new by}}const _y=gn(()=>{const e=An(xc.z,0,xc.x.negate()).normalize(),t=xc.cross(e);return Sn(e.dot(Cc),t.dot(Cc)).mul(.495).add(.5)}).once(["NORMAL","VERTEX"])().toVar("matcapUV"),vy=new Le;class Ny extends Ug{static get type(){return"MeshMatcapNodeMaterial"}constructor(e){super(),this.isMeshMatcapNodeMaterial=!0,this.setDefaultValues(vy),this.setValues(e)}setupVariants(e){const t=_y;let r;r=e.material.matcap?eh("matcap","texture").context({getUV:()=>t}):An(yu(.2,.8,t.y)),Wn.rgb.mulAssign(r.rgb)}}class Sy extends fi{static get type(){return"RotateNode"}constructor(e,t){super(),this.positionNode=e,this.rotationNode=t}generateNodeType(e){return this.positionNode.getNodeType(e)}setup(e){const{rotationNode:t,positionNode:r}=this;if("vec2"===this.getNodeType(e)){const e=t.cos(),s=t.sin();return Dn(e,s,s.negate(),e).mul(r)}{const e=t,s=On(Ln(1,0,0,0),Ln(0,Lo(e.x),Mo(e.x).negate(),0),Ln(0,Mo(e.x),Lo(e.x),0),Ln(0,0,0,1)),i=On(Ln(Lo(e.y),0,Mo(e.y),0),Ln(0,1,0,0),Ln(Mo(e.y).negate(),0,Lo(e.y),0),Ln(0,0,0,1)),n=On(Ln(Lo(e.z),Mo(e.z).negate(),0,0),Ln(Mo(e.z),Lo(e.z),0,0),Ln(0,0,1,0),Ln(0,0,0,1));return s.mul(i).mul(n).mul(Ln(r,1)).xyz}}}const Ry=un(Sy).setParameterLength(2),Ey=new Fe;class wy extends Ug{static get type(){return"SpriteNodeMaterial"}constructor(e){super(),this.isSpriteNodeMaterial=!0,this._useSizeAttenuation=!0,this.positionNode=null,this.rotationNode=null,this.scaleNode=null,this.transparent=!0,this.setDefaultValues(Ey),this.setValues(e)}setupPositionView(e){const{object:t,camera:r}=e,{positionNode:s,rotationNode:i,scaleNode:n,sizeAttenuation:a}=this,o=uc.mul(An(s||0));let u=Sn(tc[0].xyz.length(),tc[1].xyz.length());null!==n&&(u=u.mul(Sn(n))),r.isPerspectiveCamera&&!1===a&&(u=u.mul(o.z.negate()));let l=pc.xy;if(t.center&&!0===t.center.isVector2){const e=((e,t,r)=>new tl(e,t,r))("center","vec2",t);l=l.sub(e.sub(.5))}l=l.mul(u);const d=Tn(i||ep),c=Ry(l,d);return Ln(o.xy.add(c),o.zw)}copy(e){return this.positionNode=e.positionNode,this.rotationNode=e.rotationNode,this.scaleNode=e.scaleNode,super.copy(e)}get sizeAttenuation(){return this._useSizeAttenuation}set sizeAttenuation(e){this._useSizeAttenuation!==e&&(this._useSizeAttenuation=e,this.needsUpdate=!0)}}const Ay=new Pe,Cy=new t;class My extends wy{static get type(){return"PointsNodeMaterial"}constructor(e){super(),this.sizeNode=null,this.isPointsNodeMaterial=!0,this.setDefaultValues(Ay),this.setValues(e)}setupPositionView(){const{positionNode:e}=this;return uc.mul(An(e||gc)).xyz}setupVertexSprite(e){const{material:t,camera:r}=e,{rotationNode:s,scaleNode:i,sizeNode:n,sizeAttenuation:a}=this;let o=super.setupVertex(e);if(!0!==t.isNodeMaterial)return o;let u=null!==n?Sn(n):yp;u=u.mul(hd),r.isPerspectiveCamera&&!0===a&&(u=u.mul(By.div(bc.z.negate()))),i&&i.isNode&&(u=u.mul(Sn(i)));let l=pc.xy;if(s&&s.isNode){const e=Tn(s);l=Ry(l,e)}return l=l.mul(u),l=l.div(yd.div(2)),l=l.mul(o.w),o=o.add(Ln(l,0,0)),o}setupVertex(e){return e.object.isPoints?super.setupVertex(e):this.setupVertexSprite(e)}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}}const By=Aa(1).onFrameUpdate(function({renderer:e}){const t=e.getSize(Cy);this.value=.5*t.y});class Ly extends om{constructor(){super(),this.shadowNode=Tn(1).toVar("shadowMask")}direct({lightNode:e}){null!==e.shadowNode&&this.shadowNode.mulAssign(e.shadowNode)}finish({context:e}){Wn.a.mulAssign(this.shadowNode.oneMinus()),e.outgoingLight.rgb.assign(Wn.rgb)}}const Fy=new Ue;class Py extends Ug{static get type(){return"ShadowNodeMaterial"}constructor(e){super(),this.isShadowNodeMaterial=!0,this.lights=!0,this.transparent=!0,this.setDefaultValues(Fy),this.setValues(e)}setupLightingModel(){return new Ly}}const Uy=$n("vec3"),Dy=$n("vec3"),Iy=$n("vec3");class Oy extends om{constructor(){super()}start(e){const{material:t}=e,r=$n("vec3"),s=$n("vec3");yn(zd.sub(fc).length().greaterThan(nc.mul(2)),()=>{r.assign(zd),s.assign(fc)}).Else(()=>{r.assign(fc),s.assign(zd)});const i=s.sub(r),n=Aa("int").onRenderUpdate(({material:e})=>e.steps),a=i.length().div(n).toVar(),o=i.normalize().toVar(),u=Tn(0).toVar(),l=An(1).toVar();t.offsetNode&&u.addAssign(t.offsetNode.mul(a)),Kp(n,()=>{const s=r.add(o.mul(u)),i=kd.mul(Ln(s,1)).xyz;let n;null!==t.depthNode&&(Dy.assign(wg(_g(i.z,Dd,Id))),e.context.sceneDepthNode=wg(t.depthNode).toVar()),e.context.positionWorld=s,e.context.shadowPositionWorld=s,e.context.positionView=i,Uy.assign(0),t.scatteringNode&&(n=t.scatteringNode({positionRay:s})),super.start(e),n&&Uy.mulAssign(n);const d=Uy.mul(.01).negate().mul(a).exp();l.mulAssign(d),u.addAssign(a)}),Iy.addAssign(l.saturate().oneMinus())}scatteringLight(e,t){const r=t.context.sceneDepthNode;r?yn(r.greaterThanEqual(Dy),()=>{Uy.addAssign(e)}):Uy.addAssign(e)}direct({lightNode:e,lightColor:t},r){if(void 0===e.light.distance)return;const s=t.xyz.toVar();s.mulAssign(e.shadowNode),this.scatteringLight(s,r)}directRectArea({lightColor:e,lightPosition:t,halfWidth:r,halfHeight:s},i){const n=t.add(r).sub(s),a=t.sub(r).sub(s),o=t.sub(r).add(s),u=t.add(r).add(s),l=i.context.positionView,d=e.xyz.mul(Gm({P:l,p0:n,p1:a,p2:o,p3:u})).pow(1.5);this.scatteringLight(d,i)}finish(e){e.context.outgoingLight.assign(Iy)}}class Vy extends Ug{static get type(){return"VolumeNodeMaterial"}constructor(e){super(),this.isVolumeNodeMaterial=!0,this.steps=25,this.offsetNode=null,this.scatteringNode=null,this.lights=!0,this.transparent=!0,this.side=F,this.depthTest=!1,this.depthWrite=!1,this.setValues(e)}setupLightingModel(){return new Oy}}class ky{constructor(e,t,r){this.renderer=e,this.nodes=t,this.info=r,this._context="undefined"!=typeof self?self:null,this._animationLoop=null,this._requestId=null}start(){const e=(t,r)=>{this._requestId=this._context.requestAnimationFrame(e),!0===this.info.autoReset&&this.info.reset(),this.nodes.nodeFrame.update(),this.info.frame=this.nodes.nodeFrame.frameId,this.renderer._inspector.begin(),null!==this._animationLoop&&this._animationLoop(t,r),this.renderer._inspector.finish()};e()}stop(){null!==this._context&&this._context.cancelAnimationFrame(this._requestId),this._requestId=null}getAnimationLoop(){return this._animationLoop}setAnimationLoop(e){this._animationLoop=e}getContext(){return this._context}setContext(e){this._context=e}dispose(){this.stop()}}class Gy{constructor(){this.weakMaps={}}_getWeakMap(e){const t=e.length;let r=this.weakMaps[t];return void 0===r&&(r=new WeakMap,this.weakMaps[t]=r),r}get(e){let t=this._getWeakMap(e);for(let r=0;r<e.length-1;r++)if(t=t.get(e[r]),void 0===t)return;return t.get(e[e.length-1])}set(e,t){let r=this._getWeakMap(e);for(let t=0;t<e.length-1;t++){const s=e[t];!1===r.has(s)&&r.set(s,new WeakMap),r=r.get(s)}return r.set(e[e.length-1],t),this}delete(e){let t=this._getWeakMap(e);for(let r=0;r<e.length-1;r++)if(t=t.get(e[r]),void 0===t)return!1;return t.delete(e[e.length-1])}}let $y=0;class zy{constructor(e,t,r,s,i,n,a,o,u,l){this.id=$y++,this._nodes=e,this._geometries=t,this.renderer=r,this.object=s,this.material=i,this.scene=n,this.camera=a,this.lightsNode=o,this.context=u,this.geometry=s.geometry,this.version=i.version,this.drawRange=null,this.attributes=null,this.attributesId=null,this.pipeline=null,this.group=null,this.vertexBuffers=null,this.drawParams=null,this.bundle=null,this.clippingContext=l,this.clippingContextCacheKey=null!==l?l.cacheKey:"",this.initialNodesCacheKey=this.getDynamicCacheKey(),this.initialCacheKey=this.getCacheKey(),this._nodeBuilderState=null,this._bindings=null,this._monitor=null,this._sourceMaterial=r._currentSourceMaterial,this.onDispose=null,this.isRenderObject=!0,this.onMaterialDispose=()=>{this.dispose()},this.onGeometryDispose=()=>{this.attributes=null,this.attributesId=null},this.material.addEventListener("dispose",this.onMaterialDispose),this.geometry.addEventListener("dispose",this.onGeometryDispose),null!==this._sourceMaterial&&this._sourceMaterial.addEventListener("dispose",this.onMaterialDispose)}updateClipping(e){this.clippingContext=e}get clippingNeedsUpdate(){return null!==this.clippingContext&&this.clippingContext.cacheKey!==this.clippingContextCacheKey&&(this.clippingContextCacheKey=this.clippingContext.cacheKey,!0)}get hardwareClippingPlanes(){return!0===this.getNodeBuilderState().hardwareClipping?this.clippingContext.unionClippingCount:0}getNodeBuilderState(){return this._nodeBuilderState||(this._nodeBuilderState=this._nodes.getForRender(this))}getMonitor(){return this._monitor||(this._monitor=this.getNodeBuilderState().observer)}getBindings(){return this._bindings||(this._bindings=this.getNodeBuilderState().createBindings())}getBindingGroup(e){for(const t of this.getBindings())if(t.name===e)return t}getIndex(){return this._geometries.getIndex(this)}getIndirect(){return this._geometries.getIndirect(this)}getIndirectOffset(){return this._geometries.getIndirectOffset(this)}getChainArray(){return[this.object,this.material,this.context,this.lightsNode]}setGeometry(e){this.geometry=e,this.attributes=null,this.attributesId=null}getAttributes(){if(null!==this.attributes)return this.attributes;const e=this.getNodeBuilderState().nodeAttributes,t=this.geometry,r=[],s=new Set,i={};for(const n of e){let e;if(n.node&&n.node.attribute?e=n.node.attribute:(e=t.getAttribute(n.name),void 0!==e&&(e.isInterleavedBufferAttribute?i[n.name]=e.data.uuid:i[n.name]=e.id)),void 0===e)continue;r.push(e);const a=e.isInterleavedBufferAttribute?e.data:e;s.add(a)}return this.attributes=r,this.attributesId=i,this.vertexBuffers=Array.from(s.values()),r}getVertexBuffers(){return null===this.vertexBuffers&&this.getAttributes(),this.vertexBuffers}getDrawParameters(){const{object:e,material:t,geometry:r,group:s,drawRange:i}=this,n=this.drawParams||(this.drawParams={vertexCount:0,firstVertex:0,instanceCount:0,firstInstance:0}),a=this.getIndex(),o=null!==a;let u=1;if(!0===r.isInstancedBufferGeometry?u=r.instanceCount:void 0!==e.count&&(u=Math.max(0,e.count)),0===u)return null;if(n.instanceCount=u,!0===e.isBatchedMesh)return n;let l=1;!0!==t.wireframe||e.isPoints||e.isLineSegments||e.isLine||e.isLineLoop||(l=2);let d=i.start*l,c=(i.start+i.count)*l;null!==s&&(d=Math.max(d,s.start*l),c=Math.min(c,(s.start+s.count)*l));const h=r.attributes.position;let p=1/0;o?p=a.count:null!=h&&(p=h.count),d=Math.max(d,0),c=Math.min(c,p);const g=c-d;return g<0||g===1/0?null:(n.vertexCount=g,n.firstVertex=d,n)}getGeometryCacheKey(){const{geometry:e}=this;let t="";for(const r of Object.keys(e.attributes).sort()){const s=e.attributes[r];t+=r+",",s.data&&(t+=s.data.stride+","),s.offset&&(t+=s.offset+","),s.itemSize&&(t+=s.itemSize+","),s.normalized&&(t+="n,")}for(const r of Object.keys(e.morphAttributes).sort()){const s=e.morphAttributes[r];t+="morph-"+r+",";for(let e=0,r=s.length;e<r;e++){t+=s[e].id+","}}return e.index&&(t+="index,"),t}getMaterialCacheKey(){const{object:e,material:t,renderer:r}=this;let s=t.customProgramCacheKey();for(const e of function(e){const t=Object.keys(e);let r=Object.getPrototypeOf(e);for(;r;){const e=Object.getOwnPropertyDescriptors(r);for(const r in e)if(void 0!==e[r]){const s=e[r];s&&"function"==typeof s.get&&t.push(r)}r=Object.getPrototypeOf(r)}return t}(t)){if(/^(is[A-Z]|_)|^(visible|version|uuid|name|opacity|userData)$/.test(e))continue;const i=t[e];let n;if(null!==i){const e=typeof i;"number"===e?n=0!==i?"1":"0":"object"===e?(n="{",i.isTexture&&(n+=i.mapping,!0===r.backend.isWebGPUBackend&&(n+=i.magFilter,n+=i.minFilter,n+=i.wrapS,n+=i.wrapT,n+=i.wrapR)),n+="}"):n=String(i)}else n=String(i);s+=n+","}return s+=this.clippingContextCacheKey+",",e.geometry&&(s+=this.getGeometryCacheKey()),e.skeleton&&(s+=e.skeleton.bones.length+","),e.isBatchedMesh&&(s+=e._matricesTexture.uuid+",",null!==e._colorsTexture&&(s+=e._colorsTexture.uuid+",")),(e.isInstancedMesh||e.count>1||Array.isArray(e.morphTargetInfluences))&&(s+=e.uuid+","),s+=this.context.id+",",s+=e.receiveShadow+",",Gs(s)}get needsGeometryUpdate(){if(this.geometry.id!==this.object.geometry.id)return!0;if(null!==this.attributes){const e=this.attributesId;for(const t in e){const r=this.geometry.getAttribute(t);if(void 0===r)return!0;const s=r.isInterleavedBufferAttribute?r.data.uuid:r.id;if(e[t]!==s)return!0}}return!1}get needsUpdate(){return this.initialNodesCacheKey!==this.getDynamicCacheKey()||this.clippingNeedsUpdate}getDynamicCacheKey(){let e=0;return!0!==this.material.isShadowPassMaterial&&(e=this._nodes.getCacheKey(this.scene,this.lightsNode)),this.camera.isArrayCamera&&(e=zs(e,this.camera.cameras.length)),this.object.receiveShadow&&(e=zs(e,1)),e=zs(e,this.renderer.contextNode.id,this.renderer.contextNode.version),e}getCacheKey(){return this.getMaterialCacheKey()+this.getDynamicCacheKey()}dispose(){this.material.removeEventListener("dispose",this.onMaterialDispose),this.geometry.removeEventListener("dispose",this.onGeometryDispose),null!==this._sourceMaterial&&this._sourceMaterial.removeEventListener("dispose",this.onMaterialDispose),this.onDispose()}}const Wy=[];class Hy{constructor(e,t,r,s,i,n){this.renderer=e,this.nodes=t,this.geometries=r,this.pipelines=s,this.bindings=i,this.info=n,this.chainMaps={}}get(e,t,r,s,i,n,a,o){const u=this.getChainMap(o);Wy[0]=e,Wy[1]=t,Wy[2]=n,Wy[3]=i;let l=u.get(Wy);return void 0===l?(l=this.createRenderObject(this.nodes,this.geometries,this.renderer,e,t,r,s,i,n,a,o),u.set(Wy,l)):(l.camera=s,l.updateClipping(a),l.needsGeometryUpdate&&l.setGeometry(e.geometry),(l.version!==t.version||l.needsUpdate)&&(l.initialCacheKey!==l.getCacheKey()?(l.dispose(),l=this.get(e,t,r,s,i,n,a,o)):l.version=t.version)),Wy[0]=null,Wy[1]=null,Wy[2]=null,Wy[3]=null,l}getChainMap(e="default"){return this.chainMaps[e]||(this.chainMaps[e]=new Gy)}dispose(){this.chainMaps={}}createRenderObject(e,t,r,s,i,n,a,o,u,l,d){const c=this.getChainMap(d),h=new zy(e,t,r,s,i,n,a,o,u,l);return h.onDispose=()=>{this.pipelines.delete(h),this.bindings.deleteForRender(h),this.nodes.delete(h),c.delete(h.getChainArray())},h}}class jy{constructor(){this.data=new WeakMap}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}delete(e){let t=null;return this.data.has(e)&&(t=this.data.get(e),this.data.delete(e)),t}has(e){return this.data.has(e)}dispose(){this.data=new WeakMap}}const qy=1,Xy=2,Yy=3,Ky=4,Qy=16;class Zy extends jy{constructor(e,t){super(),this.backend=e,this.info=t}delete(e){const t=super.delete(e);return null!==t&&(this.backend.destroyAttribute(e),this.info.destroyAttribute(e)),t}update(e,t){const r=this.get(e);if(void 0===r.version)t===qy?(this.backend.createAttribute(e),this.info.createAttribute(e)):t===Xy?(this.backend.createIndexAttribute(e),this.info.createIndexAttribute(e)):t===Yy?(this.backend.createStorageAttribute(e),this.info.createStorageAttribute(e)):t===Ky&&(this.backend.createIndirectStorageAttribute(e),this.info.createIndirectStorageAttribute(e)),r.version=this._getBufferAttribute(e).version;else{const t=this._getBufferAttribute(e);(r.version<t.version||t.usage===x)&&(this.backend.updateAttribute(e),r.version=t.version)}}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}function Jy(e){return null!==e.index?e.index.version:e.attributes.position.version}function eb(e){return null!==e.index?e.index.id:e.attributes.position.id}function tb(e){const t=[],r=e.index,s=e.attributes.position;if(null!==r){const e=r.array;for(let r=0,s=e.length;r<s;r+=3){const s=e[r+0],i=e[r+1],n=e[r+2];t.push(s,i,i,n,n,s)}}else{for(let e=0,r=s.array.length/3-1;e<r;e+=3){const r=e+0,s=e+1,i=e+2;t.push(r,s,s,i,i,r)}}const i=new(s.count>=65535?De:Ie)(t,1);return i.version=Jy(e),i.__id=eb(e),i}class rb extends jy{constructor(e,t){super(),this.attributes=e,this.info=t,this.wireframes=new WeakMap,this.attributeCall=new WeakMap,this._geometryDisposeListeners=new Map}has(e){const t=e.geometry;return super.has(t)&&!0===this.get(t).initialized}updateForRender(e){!1===this.has(e)&&this.initGeometry(e),this.updateAttributes(e)}initGeometry(e){const t=e.geometry;this.get(t).initialized=!0,this.info.memory.geometries++;const r=()=>{this.info.memory.geometries--;const s=t.index,i=e.getAttributes();null!==s&&this.attributes.delete(s);for(const e of i)this.attributes.delete(e);const n=this.wireframes.get(t);void 0!==n&&this.attributes.delete(n),t.removeEventListener("dispose",r),this._geometryDisposeListeners.delete(t)};t.addEventListener("dispose",r),this._geometryDisposeListeners.set(t,r)}updateAttributes(e){const t=e.getAttributes();for(const e of t)e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute?this.updateAttribute(e,Yy):this.updateAttribute(e,qy);const r=this.getIndex(e);null!==r&&this.updateAttribute(r,Xy);const s=e.geometry.indirect;null!==s&&this.updateAttribute(s,Ky)}updateAttribute(e,t){const r=this.info.render.calls;e.isInterleavedBufferAttribute?void 0===this.attributeCall.get(e)?(this.attributes.update(e,t),this.attributeCall.set(e,r)):this.attributeCall.get(e.data)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e.data,r),this.attributeCall.set(e,r)):this.attributeCall.get(e)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e,r))}getIndirect(e){return e.geometry.indirect}getIndirectOffset(e){return e.geometry.indirectOffset}getIndex(e){const{geometry:t,material:r}=e;let s=t.index;if(!0===r.wireframe){const e=this.wireframes;let r=e.get(t);void 0===r?(r=tb(t),e.set(t,r)):r.version===Jy(t)&&r.__id===eb(t)||(this.attributes.delete(r),r=tb(t),e.set(t,r)),s=r}return s}dispose(){for(const[e,t]of this._geometryDisposeListeners.entries())e.removeEventListener("dispose",t);this._geometryDisposeListeners.clear()}}class sb{constructor(){this.autoReset=!0,this.frame=0,this.calls=0,this.render={calls:0,frameCalls:0,drawCalls:0,triangles:0,points:0,lines:0,timestamp:0},this.compute={calls:0,frameCalls:0,timestamp:0},this.memory={attributes:0,attributesSize:0,geometries:0,indexAttributes:0,indexAttributesSize:0,indirectStorageAttributes:0,indirectStorageAttributesSize:0,programs:0,programsSize:0,readbackBuffers:0,readbackBuffersSize:0,renderTargets:0,storageAttributes:0,storageAttributesSize:0,textures:0,texturesSize:0,uniformBuffers:0,uniformBuffersSize:0,total:0},this.memoryMap=new Map}update(e,t,r){this.render.drawCalls++,e.isMesh||e.isSprite?this.render.triangles+=r*(t/3):e.isPoints?this.render.points+=r*t:e.isLineSegments?this.render.lines+=r*(t/2):e.isLine?this.render.lines+=r*(t-1):o("WebGPUInfo: Unknown object type.")}reset(){this.render.drawCalls=0,this.render.frameCalls=0,this.compute.frameCalls=0,this.render.triangles=0,this.render.points=0,this.render.lines=0}dispose(){this.reset(),this.calls=0,this.render.calls=0,this.compute.calls=0,this.render.timestamp=0,this.compute.timestamp=0;for(const e in this.memory)this.memory[e]=0;this.memoryMap.clear()}createTexture(e){const t=this._getTextureMemorySize(e);this.memoryMap.set(e,t),this.memory.textures++,this.memory.total+=t,this.memory.texturesSize+=t}destroyTexture(e){const t=this.memoryMap.get(e)||0;this.memoryMap.delete(e),this.memory.textures--,this.memory.total-=t,this.memory.texturesSize-=t}_createAttribute(e,t){const r=this._getAttributeMemorySize(e);this.memoryMap.set(e,{size:r,type:t}),this.memory[t]++,this.memory.total+=r,this.memory[t+"Size"]+=r}createAttribute(e){this._createAttribute(e,"attributes")}createIndexAttribute(e){this._createAttribute(e,"indexAttributes")}createStorageAttribute(e){this._createAttribute(e,"storageAttributes")}createIndirectStorageAttribute(e){this._createAttribute(e,"indirectStorageAttributes")}destroyAttribute(e){const t=this.memoryMap.get(e);t&&(this.memoryMap.delete(e),this.memory[t.type]--,this.memory.total-=t.size,this.memory[t.type+"Size"]-=t.size)}createReadbackBuffer(e){const t=e.maxByteLength;this.memoryMap.set(e,{size:t,type:"readbackBuffers"}),this.memory.readbackBuffers++,this.memory.total+=t,this.memory.readbackBuffersSize+=t}destroyReadbackBuffer(e){const{size:t}=this.memoryMap.get(e);this.memoryMap.delete(e),this.memory.readbackBuffers--,this.memory.total-=t,this.memory.readbackBuffersSize-=t}createUniformBuffer(e){const t=e.byteLength;this.memoryMap.set(e,{size:t,type:"uniformBuffers"}),this.memory.uniformBuffers++,this.memory.total+=t,this.memory.uniformBuffersSize+=t}destroyUniformBuffer(e){const t=this.memoryMap.get(e);t&&(this.memoryMap.delete(e),this.memory.uniformBuffers--,this.memory.total-=t.size,this.memory.uniformBuffersSize-=t.size)}createProgram(e){const t=e.code.length;this.memoryMap.set(e,t),this.memory.programs++,this.memory.total+=t,this.memory.programsSize+=t}destroyProgram(e){const t=this.memoryMap.get(e)||0;this.memoryMap.delete(e),this.memory.programs--,this.memory.total-=t,this.memory.programsSize-=t}_getTextureMemorySize(e){if(e.isCompressedTexture)return 1;let t=1;e.type===Oe||e.type===Ve?t=1:e.type===ke||e.type===Ge||e.type===Te?t=2:e.type!==R&&e.type!==S&&e.type!==Y||(t=4);let r=4;e.format===$e||e.format===ze||e.format===We||e.format===He||e.format===je?r=1:e.format===z||e.format===qe?r=2:e.format!==Xe&&e.format!==Ye||(r=3);let s=t*r;e.type===Ke||e.type===Qe?s=2:e.type!==Ze&&e.type!==Je&&e.type!==et||(s=4);const i=e.width||1,n=e.height||1,a=e.isCubeTexture?6:e.depth||1;let o=i*n*a*s;const u=e.mipmaps;if(u&&u.length>0){let e=0;for(let t=0;t<u.length;t++){const r=u[t];if(r.data)e+=r.data.byteLength;else{e+=(r.width||Math.max(1,i>>t))*(r.height||Math.max(1,n>>t))*a*s}}o+=e}else e.generateMipmaps&&(o*=1.333);return Math.round(o)}_getAttributeMemorySize(e){return e.isInterleavedBufferAttribute&&(e=e.data),e.array?e.array.byteLength:e.count&&e.itemSize?e.count*e.itemSize*4:0}}class ib{constructor(e){this.cacheKey=e,this.usedTimes=0}}class nb extends ib{constructor(e,t,r){super(e),this.vertexProgram=t,this.fragmentProgram=r}}class ab extends ib{constructor(e,t){super(e),this.computeProgram=t,this.isComputePipeline=!0}}let ob=0;class ub{constructor(e,t,r,s=null,i=null){this.id=ob++,this.code=e,this.stage=t,this.name=r,this.transforms=s,this.attributes=i,this.usedTimes=0}}class lb extends jy{constructor(e,t,r){super(),this.backend=e,this.nodes=t,this.info=r,this.bindings=null,this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}getForCompute(e,t){const{backend:r}=this,s=this.get(e);if(this._needsComputeUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.computeProgram.usedTimes--);const n=this.nodes.getForCompute(e);let a=this.programs.compute.get(n.computeShader);void 0===a&&(i&&0===i.computeProgram.usedTimes&&this._releaseProgram(i.computeProgram),a=new ub(n.computeShader,"compute",e.name,n.transforms,n.nodeAttributes),this.programs.compute.set(n.computeShader,a),r.createProgram(a),this.info.createProgram(a));const o=this._getComputeCacheKey(e,a);let u=this.caches.get(o);void 0===u&&(i&&0===i.usedTimes&&this._releasePipeline(i),u=this._getComputePipeline(e,a,o,t)),u.usedTimes++,a.usedTimes++,s.version=e.version,s.pipeline=u}return s.pipeline}getForRender(e,t=null){const{backend:r}=this,s=this.get(e);if(this._needsRenderUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.vertexProgram.usedTimes--,i.fragmentProgram.usedTimes--);const n=e.getNodeBuilderState(),a=e.material?e.material.name:"";let o=this.programs.vertex.get(n.vertexShader);void 0===o&&(i&&0===i.vertexProgram.usedTimes&&this._releaseProgram(i.vertexProgram),o=new ub(n.vertexShader,"vertex",a),this.programs.vertex.set(n.vertexShader,o),r.createProgram(o),this.info.createProgram(o));let u=this.programs.fragment.get(n.fragmentShader);void 0===u&&(i&&0===i.fragmentProgram.usedTimes&&this._releaseProgram(i.fragmentProgram),u=new ub(n.fragmentShader,"fragment",a),this.programs.fragment.set(n.fragmentShader,u),r.createProgram(u),this.info.createProgram(u));const l=this._getRenderCacheKey(e,o,u);let d=this.caches.get(l);void 0===d?(i&&0===i.usedTimes&&this._releasePipeline(i),d=this._getRenderPipeline(e,o,u,l,t)):e.pipeline=d,d.usedTimes++,o.usedTimes++,u.usedTimes++,s.pipeline=d}return s.pipeline}isReady(e){const t=this.get(e).pipeline;if(void 0===t)return!1;const r=this.backend.get(t);return void 0!==r.pipeline&&null!==r.pipeline}delete(e){const t=this.get(e).pipeline;return t&&(t.usedTimes--,0===t.usedTimes&&this._releasePipeline(t),t.isComputePipeline?(t.computeProgram.usedTimes--,0===t.computeProgram.usedTimes&&this._releaseProgram(t.computeProgram)):(t.fragmentProgram.usedTimes--,t.vertexProgram.usedTimes--,0===t.vertexProgram.usedTimes&&this._releaseProgram(t.vertexProgram),0===t.fragmentProgram.usedTimes&&this._releaseProgram(t.fragmentProgram))),super.delete(e)}dispose(){super.dispose(),this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}updateForRender(e){this.getForRender(e)}_getComputePipeline(e,t,r,s){r=r||this._getComputeCacheKey(e,t);let i=this.caches.get(r);return void 0===i&&(i=new ab(r,t),this.caches.set(r,i),this.backend.createComputePipeline(i,s)),i}_getRenderPipeline(e,t,r,s,i){s=s||this._getRenderCacheKey(e,t,r);let n=this.caches.get(s);return void 0===n&&(n=new nb(s,t,r),this.caches.set(s,n),e.pipeline=n,this.backend.createRenderPipeline(e,i)),n}_getComputeCacheKey(e,t){return e.id+","+t.id}_getRenderCacheKey(e,t,r){return t.id+","+r.id+","+this.backend.getRenderCacheKey(e)}_releasePipeline(e){this.caches.delete(e.cacheKey)}_releaseProgram(e){const t=e.code,r=e.stage;this.programs[r].delete(t),this.info.destroyProgram(e)}_needsComputeUpdate(e){const t=this.get(e);return void 0===t.pipeline||t.version!==e.version}_needsRenderUpdate(e){return void 0===this.get(e).pipeline||this.backend.needsRenderUpdate(e)}}class db extends jy{constructor(e,t,r,s,i,n){super(),this.backend=e,this.textures=r,this.pipelines=i,this.attributes=s,this.nodes=t,this.info=n,this.pipelines.bindings=this}getForRender(e){const t=e.getBindings(),r=this.get(e);return!0!==r.initialized&&(this._createBindings(t),r.initialized=!0),t}getForCompute(e){const t=this.nodes.getForCompute(e).bindings,r=this.get(e);return!0===r.initialized&&r.bindings===t||(void 0!==r.bindings&&this._destroyBindings(r.bindings),this._createBindings(t),r.initialized=!0,r.bindings=t),t}updateForCompute(e){this._updateBindings(this.getForCompute(e))}updateForRender(e){this._updateBindings(this.getForRender(e))}deleteForCompute(e){const t=this.get(e).bindings||this.nodes.getForCompute(e).bindings;this._destroyBindings(t),this.delete(e)}deleteForRender(e){const t=e.getBindings();this._destroyBindings(t),this.delete(e)}_createBindings(e){for(const t of e){const r=this.get(t);if(void 0===r.bindGroup){for(const e of t.bindings)if(e.isUniformBuffer)this.backend.createUniformBuffer(e),this.info.createUniformBuffer(e);else if(e.isSampledTexture)this.textures.updateTexture(e.texture);else if(e.isSampler)this.textures.updateSampler(e.texture,e.textureNode);else if(e.isStorageBuffer){const t=e.attribute,r=t.isIndirectStorageBufferAttribute?Ky:Yy;this.attributes.update(t,r)}this.backend.createBindings(t,e,0),r.bindGroup=t,r.usedTimes=1}else r.usedTimes++}}_destroyBindings(e){for(const t of e){const e=this.get(t);if(e.usedTimes--,0===e.usedTimes){for(const e of t.bindings)e.isUniformBuffer?(this.backend.destroyUniformBuffer(e),this.info.destroyUniformBuffer(e),e.release()):e.isSampler&&e.release();this.backend.deleteBindGroupData(t),this.delete(t)}}}_updateBindings(e){for(const t of e)this._update(t,e)}_update(e,t){const{backend:r}=this;let s=!1,i=!0,n=0,a=0;for(const t of e.bindings){if(!1!==this.nodes.updateGroup(t)){if(t.isStorageBuffer){const e=t.attribute,i=e.isIndirectStorageBufferAttribute?Ky:Yy,n=r.get(t);this.attributes.update(e,i),n.attribute!==e&&(n.attribute=e,s=!0)}if(t.isUniformBuffer){t.update()&&r.updateBinding(t)}else if(t.isSampledTexture){const o=t.update(),u=t.texture,l=this.textures.get(u);o&&(this.textures.updateTexture(u),t.generation!==l.generation&&(t.generation=l.generation,s=!0),l.bindGroups.add(e));if(void 0!==r.get(u).externalTexture||l.isDefaultTexture?i=!1:(n=10*n+u.id,a+=u.version),!0===u.isStorageTexture&&!0===u.mipmapsAutoUpdate){const e=this.get(u);!0===t.store?e.needsMipmap=!0:this.textures.needsMipmaps(u)&&!0===e.needsMipmap&&(this.backend.generateMipmaps(u),e.needsMipmap=!1)}}else if(t.isSampler){if(t.update()){const e=this.textures.updateSampler(t.texture,t.textureNode);t.samplerKey!==e&&(t.samplerKey=e,s=!0)}}t.isBuffer&&t.updateRanges.length>0&&t.clearUpdateRanges()}}!0===s&&this.backend.updateBindings(e,t,i?n:0,a)}}const cb=Object.freeze([]);function hb(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?e.z-t.z:e.id-t.id}function pb(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?t.z-e.z:e.id-t.id}function gb(e){return(e.transmission>0||e.transmissionNode&&e.transmissionNode.isNode)&&e.side===P&&!1===e.forceSinglePass}class mb{constructor(e,t,r){this.renderItems=[],this.renderItemsIndex=0,this.opaque=[],this.transparentDoublePass=[],this.transparent=[],this.bundles=[],this.lighting=e,this.lightsNode=e.getNode(t),this.lightsArray=[],this.scene=t,this.camera=r,this.occlusionQueryCount=0}begin(){return this.renderItemsIndex=0,this.opaque.length=0,this.transparentDoublePass.length=0,this.transparent.length=0,this.bundles.length=0,this.lightsArray.length=0,this.occlusionQueryCount=0,this}getNextRenderItem(e,t,r,s,i,n,a){let o=this.renderItems[this.renderItemsIndex];return void 0===o?(o={id:e.id,object:e,geometry:t,material:r,groupOrder:s,renderOrder:e.renderOrder,z:i,group:n,clippingContext:a},this.renderItems[this.renderItemsIndex]=o):(o.id=e.id,o.object=e,o.geometry=t,o.material=r,o.groupOrder=s,o.renderOrder=e.renderOrder,o.z=i,o.group=n,o.clippingContext=a),this.renderItemsIndex++,o}push(e,t,r,s,i,n,a){const o=this.getNextRenderItem(e,t,r,s,i,n,a);!0===e.occlusionTest&&this.occlusionQueryCount++,!0===r.transparent||r.transmission>0||r.transmissionNode&&r.transmissionNode.isNode||r.backdropNode&&r.backdropNode.isNode?(gb(r)&&this.transparentDoublePass.push(o),this.transparent.push(o)):this.opaque.push(o)}unshift(e,t,r,s,i,n,a){const o=this.getNextRenderItem(e,t,r,s,i,n,a);!0===r.transparent||r.transmission>0||r.transmissionNode&&r.transmissionNode.isNode||r.backdropNode&&r.backdropNode.isNode?(gb(r)&&this.transparentDoublePass.unshift(o),this.transparent.unshift(o)):this.opaque.unshift(o)}pushBundle(e){this.bundles.push(e)}pushLight(e){this.lightsArray.push(e)}sort(e,t,r){this.opaque.length>1&&this.opaque.sort(e||hb),this.transparentDoublePass.length>1&&this.transparentDoublePass.sort(t||pb),this.transparent.length>1&&this.transparent.sort(t||pb),r&&(this.opaque.reverse(),this.transparentDoublePass.reverse(),this.transparent.reverse())}finish(){this.lightsNode.setLights(this.lighting.enabled?this.lightsArray:cb);for(let e=this.renderItemsIndex,t=this.renderItems.length;e<t;e++){const t=this.renderItems[e];if(null===t.id)break;t.id=null,t.object=null,t.geometry=null,t.material=null,t.groupOrder=null,t.renderOrder=null,t.z=null,t.group=null,t.clippingContext=null}}}const fb=[];class yb{constructor(e){this.lighting=e,this.lists=new Gy}get(e,t){const r=this.lists;fb[0]=e,fb[1]=t;let s=r.get(fb);return void 0===s&&(s=new mb(this.lighting,e,t),r.set(fb,s)),fb[0]=null,fb[1]=null,s}dispose(){this.lists=new Gy}}let bb=0;class xb{constructor(){this.id=bb++,this.mrt=null,this.color=!0,this.clearColor=!0,this.clearColorValue={r:0,g:0,b:0,a:1},this.depth=!0,this.clearDepth=!0,this.clearDepthValue=1,this.stencil=!1,this.clearStencil=!0,this.clearStencilValue=1,this.viewport=!1,this.viewportValue=new s,this.scissor=!1,this.scissorValue=new s,this.renderTarget=null,this.textures=null,this.depthTexture=null,this.activeCubeFace=0,this.activeMipmapLevel=0,this.sampleCount=1,this.width=0,this.height=0,this.occlusionQueryCount=0,this.clippingContext=null,this.camera=null,this.isRenderContext=!0}getCacheKey(){return Tb(this)}}function Tb(e){const{textures:t,activeCubeFace:r,activeMipmapLevel:s}=e,i=[r,s];for(const e of t)i.push(e.id);return $s(i)}class _b{constructor(e){this.renderer=e,this._renderContexts={}}get(e=null,t=null,r=0){let s;if(null===e)s="default";else{const t=e.texture.format,r=e.texture.type;s=`${e.textures.length}:${t}:${r}:${e.samples}:${e.depthBuffer}:${e.stencilBuffer}`}const i=s+"-"+(null!==t?t.id:"default")+"-"+r;let n=this._renderContexts[i];return void 0===n&&(n=new xb,n.mrt=t,this._renderContexts[i]=n),null!==e&&(n.sampleCount=0===e.samples?1:e.samples),n.clearDepthValue=this.renderer.getClearDepth(),n.clearStencilValue=this.renderer.getClearStencil(),n}dispose(){this._renderContexts={}}}const vb=new r;class Nb extends jy{constructor(e,t,r){super(),this.renderer=e,this.backend=t,this.info=r,this._htmlTextures=new Set}updateRenderTarget(e,t=0){const r=this.get(e),s=0===e.samples?1:e.samples,i=r.depthTextureMips||(r.depthTextureMips={}),n=e.textures,a=this.getSize(n[0]),o=a.width>>t,u=a.height>>t;let l=e.depthTexture||i[t];const d=!0===e.depthBuffer||!0===e.stencilBuffer;let c=!1;const h=void 0!==l&&void 0!==l.image&&l.image.depth>1,p=a.depth>1&&(e.useArrayDepthTexture||e.multiview||h);void 0===l&&d&&(l=new Z,l.format=e.stencilBuffer?je:He,l.type=e.stencilBuffer?Ze:S,l.image.width=o,l.image.height=u,l.image.depth=a.depth,l.renderTarget=e,i[t]=l),l&&(l.isArrayTexture=p),r.width===a.width&&a.height===r.height||(c=!0,l&&(l.needsUpdate=!0,l.image.width=o,l.image.height=u,l.image.depth=p?a.depth:1)),r.width=a.width,r.height=a.height,r.textures=n,r.depthTexture=l||null,r.depth=e.depthBuffer,r.stencil=e.stencilBuffer,r.renderTarget=e,r.sampleCount!==s&&(c=!0,l&&(l.needsUpdate=!0),r.sampleCount=s);const g={sampleCount:s};if(!0!==e.isXRRenderTarget){for(let e=0;e<n.length;e++){const t=n[e];c&&(t.needsUpdate=!0),this.updateTexture(t,g)}l&&this.updateTexture(l,g)}!0!==r.initialized&&(r.initialized=!0,this.info.memory.renderTargets++,r.onDispose=()=>{this._destroyRenderTarget(e)},e.addEventListener("dispose",r.onDispose))}updateTexture(e,t={}){const r=this.get(e);if(!0===r.initialized&&r.version===e.version)return;const s=e.isRenderTargetTexture||e.isDepthTexture||e.isFramebufferTexture,i=this.backend;if(s&&!0===r.initialized&&i.destroyTexture(e),e.isFramebufferTexture){const t=this.renderer.getRenderTarget();e.type=t?t.texture.type:Ve}if(e.isHTMLTexture&&e.image){const t=this.renderer.domElement;if("requestPaint"in t){if(t.hasAttribute("layoutsubtree")||t.setAttribute("layoutsubtree","true"),e.image.parentNode!==t&&t.appendChild(e.image),0===this._htmlTextures.size){const e=this._htmlTextures;t.onpaint=t=>{const r=t&&t.changedElements;for(const t of e)r&&!r.includes(t.image)||(t.needsUpdate=!0)}}this._htmlTextures.add(e)}}const{width:n,height:a,depth:o}=this.getSize(e);if(t.width=n,t.height=a,t.depth=o,t.needsMipmaps=this.needsMipmaps(e),t.levels=t.needsMipmaps?this.getMipLevels(e,n,a):1,e.isCubeTexture&&e.mipmaps.length>0&&t.levels++,s||!0===e.isStorageTexture||!0===e.isExternalTexture)i.createTexture(e,t),r.generation=e.version;else if(e.version>0){const s=e.image;if(void 0===s)d("Renderer: Texture marked for update but image is undefined.");else if(!1===s.complete)d("Renderer: Texture marked for update but image is incomplete.");else{if(e.images){const r=[];for(const t of e.images)r.push(t);t.images=r}else t.image=s;void 0!==r.isDefaultTexture&&!0!==r.isDefaultTexture||(i.createTexture(e,t),r.isDefaultTexture=!1,r.generation=e.version),!0===e.source.dataReady&&i.updateTexture(e,t);const n=!0===e.isStorageTexture&&!1===e.mipmapsAutoUpdate;t.needsMipmaps&&0===e.mipmaps.length&&!n&&i.generateMipmaps(e),e.onUpdate&&e.onUpdate(e)}}else i.createDefaultTexture(e),r.isDefaultTexture=!0,r.generation=e.version;!0!==r.initialized&&(r.initialized=!0,r.generation=e.version,r.bindGroups=new Set,this.info.createTexture(e),e.isVideoTexture&&!0===p.enabled&&p.getTransfer(e.colorSpace)!==g&&d("WebGPURenderer: Video textures must use a color space with a sRGB transfer function, e.g. SRGBColorSpace."),r.onDispose=()=>{this._destroyTexture(e)},e.addEventListener("dispose",r.onDispose)),r.version=e.version}updateSampler(e,t){return this.backend.updateSampler(e,t)}getSize(e,t=vb){let r=e.images?e.images[0]:e.image;return r?(void 0!==r.image&&(r=r.image),e.isHTMLTexture?(t.width=r.offsetWidth||1,t.height=r.offsetHeight||1,t.depth=1):"undefined"!=typeof HTMLVideoElement&&r instanceof HTMLVideoElement?(t.width=r.videoWidth||1,t.height=r.videoHeight||1,t.depth=1):"undefined"!=typeof VideoFrame&&r instanceof VideoFrame?(t.width=r.displayWidth||1,t.height=r.displayHeight||1,t.depth=1):(t.width=r.width||1,t.height=r.height||1,t.depth=e.isCubeTexture?6:r.depth||1)):t.width=t.height=t.depth=1,t}getMipLevels(e,t,r){let s;return s=e.mipmaps.length>0?e.mipmaps.length:!0===e.isCompressedTexture?1:Math.floor(Math.log2(Math.max(t,r)))+1,s}needsMipmaps(e){return!0===e.generateMipmaps||e.mipmaps.length>0}_destroyRenderTarget(e){if(!0===this.has(e)){const t=this.get(e),r=t.textures,s=t.depthTexture;e.removeEventListener("dispose",t.onDispose);for(let e=0;e<r.length;e++)this._destroyTexture(r[e]);s&&this._destroyTexture(s),this.delete(e),this.backend.delete(e),this.info.memory.renderTargets--}}_destroyTexture(e){if(!0===this.has(e)){const t=this.get(e);e.removeEventListener("dispose",t.onDispose);const r=t.isDefaultTexture;if(this.backend.destroyTexture(e,r),t.bindGroups)for(const r of t.bindGroups){const t=this.backend.get(r);t.groups=void 0,t.versions=void 0;for(const t of r.bindings)t.isSampler&&t.texture===e&&(t.reset(),t.release())}this._htmlTextures.delete(e),this.delete(e),this.info.destroyTexture(e)}}}class Sb extends e{constructor(e,t,r,s=1){super(e,t,r),this.a=s}set(e,t,r,s=1){return this.a=s,super.set(e,t,r)}copy(e){return void 0!==e.a&&(this.a=e.a),super.copy(e)}clone(){return new this.constructor(this.r,this.g,this.b,this.a)}}class Rb extends Gn{static get type(){return"ParameterNode"}constructor(e,t=null){super(e,t),this.isParameterNode=!0}getMemberType(e,t){const r=this.getNodeType(e),s=e.getStructTypeNode(r);let i;return null!==s?i=s.getMemberType(e,t):(o(`TSL: Member "${t}" not found in struct "${r}".`,new Vs),i="float"),i}getHash(){return String(this.id)}generate(){return this.name}}class Eb extends pi{static get type(){return"StackNode"}constructor(e=null){super(),this.nodes=[],this.outputNode=null,this.parent=e,this._currentCond=null,this._expressionNode=null,this._currentNode=null,this._nodeDataLibrary=new Map,this.isStackNode=!0}getElementType(e){return this.outputNode?this.outputNode.getElementType(e):"void"}generateNodeType(e){return this.outputNode?this.outputNode.getNodeType(e):"void"}getMemberType(e,t){return this.outputNode?this.outputNode.getMemberType(e,t):"void"}addToStack(e,t=-1){if(!0!==e.isNode)return o("TSL: Invalid node added to stack.",new Vs),this;if(-1===t)if(this._currentNode){let e=this._nodeDataLibrary.get(this._currentNode);void 0===e&&(e={delta:0},this._nodeDataLibrary.set(this._currentNode,e)),e.delta++,t=this.nodes.indexOf(this._currentNode)+e.delta}else t=this.nodes.length;return this.nodes.splice(t,0,e),this}addToStackBefore(e){const t=this._currentNode?this.nodes.indexOf(this._currentNode):0;return this.addToStack(e,t)}If(e,t){const r=new rn(t);return this._currentCond=Mu(e,r),this.addToStack(this._currentCond)}ElseIf(e,t){const r=new rn(t),s=Mu(e,r);return this._currentCond.elseNode=s,this._currentCond=s,this}Else(e){return this._currentCond.elseNode=new rn(e),this}Switch(e){return this._expressionNode=sn(e),this}Case(...e){const t=[];if(e.length>=2)for(let r=0;r<e.length-1;r++)t.push(this._expressionNode.equal(sn(e[r])));else o("TSL: Invalid parameter length. Case() requires at least two parameters.",new Vs);const r=new rn(e[e.length-1]);let s=t[0];for(let e=1;e<t.length;e++)s=s.or(t[e]);const i=Mu(s,r);return null===this._currentCond?(this._currentCond=i,this.addToStack(this._currentCond)):(this._currentCond.elseNode=i,this._currentCond=i,this)}Default(e){return this.Else(e),this}setup(e){const t=e.getNodeProperties(this);let r=0;for(const s of this.getChildren())s.isVarNode&&s.isIntent(e)&&!0!==s.isAssign(e)||(t["node"+r++]=s);return t.outputNode||null}build(e,...t){const r=fn(),s=e.buildStage;mn(this),e.setActiveStack(this);for(let t=0;t<this.nodes.length;t++){const r=this.nodes[t],i=this._currentNode;if(this._currentNode=r,!r.isVarNode||!r.isIntent(e)||!0===r.isAssign(e)){if("setup"===s)r.build(e);else if("analyze"===s)r.build(e,this);else if("generate"===s){const t=e.getDataFromNode(r,"any").stages,s=t&&t[e.shaderStage];if(r.isVarNode&&s&&1===s.length&&s[0]&&s[0].isStackNode)continue;r.build(e,"void")}this._currentNode=i}}let i;if(this.outputNode){const r=this.outputNode.build(e,...t);"generate"===e.buildStage&&"void"===this.outputNode.getNodeType(e)||(i=r)}else i=super.build(e,...t);return mn(r),e.removeActiveStack(this),i}}const wb=un(Eb).setParameterLength(0,1);class Ab extends pi{static get type(){return"StructTypeNode"}constructor(e,t=null){var r;super("struct"),this.membersLayout=(r=e,Object.entries(r).map(([e,t])=>"string"==typeof t?{name:e,type:t,atomic:!1}:{name:e,type:t.type,atomic:t.atomic||!1})),this.name=t,this.isStructTypeNode=!0}getLength(){let e=1,t=0;for(const r of this.membersLayout){const s=r.type,i=Ys(s),n=Ks(s);e=Math.max(e,n);const a=t%e%n;0!==a&&(t+=n-a),t+=i}return Math.ceil(t/e)*e}getMemberType(e,t){const r=this.membersLayout.find(e=>e.name===t);return r?r.type:"void"}generateNodeType(e){return e.getStructTypeFromNode(this,this.membersLayout,this.name).name}setup(e){e.getStructTypeFromNode(this,this.membersLayout,this.name),e.addInclude(this)}generate(e){return this.getNodeType(e)}}class Cb extends pi{static get type(){return"StructNode"}constructor(e,t){super("vec3"),this.structTypeNode=e,this.values=t,this.isStructNode=!0}generateNodeType(e){return this.structTypeNode.getNodeType(e)}getMemberType(e,t){return this.structTypeNode.getMemberType(e,t)}_getChildren(){const e=super._getChildren(),t=e.find(e=>e.childNode===this.structTypeNode);return e.splice(e.indexOf(t),1),e.push(t),e}generate(e){const t=e.getVarFromNode(this),r=t.type,s=e.getPropertyName(t);return e.addLineFlowCode(`${s} = ${e.generateStruct(r,this.structTypeNode.membersLayout,this.values)}`,this),t.name}}class Mb extends pi{static get type(){return"OutputStructNode"}constructor(...e){super(),this.members=e,this.isOutputStructNode=!0}generateNodeType(){return"OutputType"}generate(e){const t=e.getDataFromNode(this);if(void 0===t.membersLayout){const r=this.members,s=[];for(let t=0;t<r.length;t++){const i="m"+t,n=r[t].getNodeType(e);s.push({name:i,type:n,index:t})}t.membersLayout=s,t.structType=e.getOutputStructTypeFromNode(this,t.membersLayout)}const r=e.getOutputStructName(),s=this.members,i=""!==r?r+".":"";for(let r=0;r<s.length;r++){const n=s[r].build(e,t.membersLayout[r].type);e.addLineFlowCode(`${i}m${r} = ${n}`,this)}return r}}const Bb=un(Mb);class Lb{constructor(e=tt){this.blending=e,this.blendSrc=rt,this.blendDst=st,this.blendEquation=it,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.premultiplyAlpha=!1}copy(e){return this.blending=e.blending,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.premultiplyAlpha=e.premultiplyAlpha,this}clone(){return(new this.constructor).copy(this)}}const Fb=new Lb(re),Pb=new Lb(nt);function Ub(e,t){for(let r=0;r<e.length;r++)if(e[r].name===t)return r;return-1}class Db extends Mb{static get type(){return"MRTNode"}constructor(e){super(),this.outputNodes=e,this.blendModes={output:Pb},this.isMRTNode=!0}setBlendMode(e,t){return this.blendModes[e]=t,this}getBlendMode(e){return this.blendModes[e]||Fb}has(e){return void 0!==this.outputNodes[e]}get(e){return this.outputNodes[e]}merge(e){const t={...this.outputNodes,...e.outputNodes},r={...this.blendModes,...e.blendModes},s=Ib(t);return s.blendings=r,s}setup(e){const t=this.outputNodes,r=[],s=e.renderer.getRenderTarget().textures;for(const i in t){const n=Ub(s,i),a=e.getOutputType(n);r[n]=t[i].convert(a)}return this.members=r,super.setup(e)}}const Ib=un(Db);class Ob extends fi{static get type(){return"BitcastNode"}constructor(e,t,r=null){super(),this.valueNode=e,this.conversionType=t,this.inputType=r,this.isBitcastNode=!0}generateNodeType(e){if(null!==this.inputType){const t=this.valueNode.getNodeType(e),r=e.getTypeLength(t);return e.getTypeFromLength(r,this.conversionType)}return this.conversionType}generate(e){const t=this.getNodeType(e);let r="";if(null!==this.inputType){const t=this.valueNode.getNodeType(e);r=1===e.getTypeLength(t)?this.inputType:e.changeComponentType(t,this.inputType)}else r=this.valueNode.getNodeType(e);return`${e.getBitcastMethod(t,r)}( ${this.valueNode.build(e,r)} )`}}const Vb=dn(Ob).setParameterLength(2),kb=e=>new Ob(e,"uint","float"),Gb={};class $b extends uo{static get type(){return"BitcountNode"}constructor(e,t){super(e,t),this.isBitcountNode=!0}_resolveElementType(e,t,r){"int"===r?t.assign(Vb(e,"uint")):t.assign(e)}_returnDataNode(e){switch(e){case"uint":return vn;case"int":return _n;case"uvec2":return En;case"uvec3":return Mn;case"uvec4":return Pn;case"ivec2":return Rn;case"ivec3":return Cn;case"ivec4":return Fn}}_createTrailingZerosBaseLayout(e,t){const r=this._returnDataNode(t);return gn(([e])=>{const s=vn(0);this._resolveElementType(e,s,t);const i=Tn(s.bitAnd(Ho(s))),n=kb(i).shiftRight(23).sub(127);return r(n)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createLeadingZerosBaseLayout(e,t){const r=this._returnDataNode(t);return gn(([e])=>{yn(e.equal(vn(0)),()=>vn(32));const s=vn(0),i=vn(0);return this._resolveElementType(e,s,t),yn(s.shiftRight(16).equal(0),()=>{i.addAssign(16),s.shiftLeftAssign(16)}),yn(s.shiftRight(24).equal(0),()=>{i.addAssign(8),s.shiftLeftAssign(8)}),yn(s.shiftRight(28).equal(0),()=>{i.addAssign(4),s.shiftLeftAssign(4)}),yn(s.shiftRight(30).equal(0),()=>{i.addAssign(2),s.shiftLeftAssign(2)}),yn(s.shiftRight(31).equal(0),()=>{i.addAssign(1)}),r(i)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createOneBitsBaseLayout(e,t){const r=this._returnDataNode(t);return gn(([e])=>{const s=vn(0);this._resolveElementType(e,s,t),s.assign(s.sub(s.shiftRight(vn(1)).bitAnd(vn(1431655765)))),s.assign(s.bitAnd(vn(858993459)).add(s.shiftRight(vn(2)).bitAnd(vn(858993459))));const i=s.add(s.shiftRight(vn(4))).bitAnd(vn(252645135)).mul(vn(16843009)).shiftRight(vn(24));return r(i)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createMainLayout(e,t,r,s){const i=this._returnDataNode(t);return gn(([e])=>{if(1===r)return i(s(e));{const t=i(0),n=["x","y","z","w"];for(let i=0;i<r;i++){const r=n[i];t[r].assign(s(e[r]))}return t}}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}setup(e){const{method:t,aNode:r}=this,{renderer:s}=e;if(s.backend.isWebGPUBackend)return super.setup(e);const i=this.getInputType(e),n=e.getElementType(i),a=e.getTypeLength(i),o=`${t}_base_${n}`,u=`${t}_${i}`;let l=Gb[o];if(void 0===l){switch(t){case $b.COUNT_LEADING_ZEROS:l=this._createLeadingZerosBaseLayout(o,n);break;case $b.COUNT_TRAILING_ZEROS:l=this._createTrailingZerosBaseLayout(o,n);break;case $b.COUNT_ONE_BITS:l=this._createOneBitsBaseLayout(o,n)}Gb[o]=l}let d=Gb[u];void 0===d&&(d=this._createMainLayout(u,i,a,l),Gb[u]=d);return gn(()=>d(r))()}}$b.COUNT_TRAILING_ZEROS="countTrailingZeros",$b.COUNT_LEADING_ZEROS="countLeadingZeros",$b.COUNT_ONE_BITS="countOneBits";const zb=dn($b,$b.COUNT_TRAILING_ZEROS).setParameterLength(1),Wb=dn($b,$b.COUNT_LEADING_ZEROS).setParameterLength(1),Hb=dn($b,$b.COUNT_ONE_BITS).setParameterLength(1),jb=gn(([e])=>{const t=e.toUint().mul(747796405).add(2891336453),r=t.shiftRight(t.shiftRight(28).add(4)).bitXor(t).mul(277803737);return r.shiftRight(22).bitXor(r).toFloat().mul(1/2**32)}),qb=(e,t)=>du(Va(4,e.mul(Oa(1,e))),t);class Xb extends fi{static get type(){return"PackFloatNode"}constructor(e,t){super(),this.vectorNode=t,this.encoding=e,this.isPackFloatNode=!0}generateNodeType(){return"uint"}generate(e){const t=this.vectorNode.getNodeType(e);return`${e.getFloatPackingMethod(this.encoding)}(${this.vectorNode.build(e,t)})`}}const Yb=dn(Xb,"snorm").setParameterLength(1),Kb=dn(Xb,"unorm").setParameterLength(1),Qb=dn(Xb,"float16").setParameterLength(1);class Zb extends fi{static get type(){return"UnpackFloatNode"}constructor(e,t){super(),this.uintNode=t,this.encoding=e,this.isUnpackFloatNode=!0}generateNodeType(){return"vec2"}generate(e){const t=this.uintNode.getNodeType(e);return`${e.getFloatUnpackingMethod(this.encoding)}(${this.uintNode.build(e,t)})`}}const Jb=dn(Zb,"snorm").setParameterLength(1),ex=dn(Zb,"unorm").setParameterLength(1),tx=dn(Zb,"float16").setParameterLength(1),rx=gn(([e])=>e.fract().sub(.5).abs()).setLayout({name:"tri",type:"float",inputs:[{name:"x",type:"float"}]}),sx=gn(([e])=>An(rx(e.z.add(rx(e.y.mul(1)))),rx(e.z.add(rx(e.x.mul(1)))),rx(e.y.add(rx(e.x.mul(1)))))).setLayout({name:"tri3",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),ix=gn(([e,t,r])=>{const s=An(e).toVar(),i=Tn(1.4).toVar(),n=Tn(0).toVar(),a=An(s).toVar();return Kp({start:Tn(0),end:Tn(3),type:"float",condition:"<="},()=>{const e=An(sx(a.mul(2))).toVar();s.addAssign(e.add(r.mul(Tn(.1).mul(t)))),a.mulAssign(1.8),i.mulAssign(1.5),s.mulAssign(1.2);const o=Tn(rx(s.z.add(rx(s.x.add(rx(s.y)))))).toVar();n.addAssign(o.div(i)),a.addAssign(.14)}),n}).setLayout({name:"triNoise3D",type:"float",inputs:[{name:"position",type:"vec3"},{name:"speed",type:"float"},{name:"time",type:"float"}]});class nx extends pi{static get type(){return"FunctionOverloadingNode"}constructor(e=[],...t){super(),this.functionNodes=e,this.parametersNodes=t,this._candidateFn=null,this.global=!0}generateNodeType(e){return this.getCandidateFn(e).shaderNode.layout.type}getCandidateFn(e){const t=this.parametersNodes;let r=this._candidateFn;if(null===r){let s=null,i=-1;for(const r of this.functionNodes){const n=r.shaderNode.layout;if(null===n)throw new Error("THREE.FunctionOverloadingNode: FunctionNode must be a layout.");const a=n.inputs;if(t.length===a.length){let n=0;for(let r=0;r<t.length;r++){const s=t[r],i=a[r];s.getNodeType(e)===i.type&&n++}n>i&&(s=r,i=n)}}this._candidateFn=r=s}return r}setup(e){return this.getCandidateFn(e)(...this.parametersNodes)}}const ax=un(nx),ox=e=>(...t)=>ax(e,...t),ux=Aa(0).setGroup(Ra).onRenderUpdate(e=>e.time),lx=Aa(0).setGroup(Ra).onRenderUpdate(e=>e.deltaTime),dx=Aa(0,"uint").setGroup(Ra).onRenderUpdate(e=>e.frameId);const cx=gn(([e,t,r=Sn(.5)])=>Ry(e.sub(r),t).add(r)),hx=gn(([e,t,r=Sn(.5)])=>{const s=e.sub(r),i=s.dot(s),n=i.mul(i).mul(t);return e.add(s.mul(n))}),px=gn(({position:e=null,horizontal:t=!0,vertical:r=!1})=>{let s;null!==e?(s=tc.toVar(),s[3][0]=e.x,s[3][1]=e.y,s[3][2]=e.z):s=tc;const i=kd.mul(s);return en(t)&&(i[0][0]=tc[0].length(),i[0][1]=0,i[0][2]=0),en(r)&&(i[1][0]=0,i[1][1]=tc[1].length(),i[1][2]=0),i[2][0]=0,i[2][1]=0,i[2][2]=1,Od.mul(i).mul(gc)}),gx=gn(([e=null])=>{const t=wg();return wg(yg(e)).sub(t).lessThan(0).select(pd,e)}),mx=gn(([e,t=Hl(),r=Tn(0)])=>{const s=e.x,i=e.y,n=r.mod(s.mul(i)).floor(),a=n.mod(s),o=i.sub(n.add(1).div(s).ceil()),u=e.reciprocal(),l=Sn(a,o);return t.add(l).mul(u)}),fx=gn(([e,t=null,r=null,s=Tn(1),i=gc,n=Rc])=>{let a=n.abs().normalize();a=a.div(a.dot(An(1)));const o=i.yz.mul(s),u=i.zx.mul(s),l=i.xy.mul(s),d=e.value,c=null!==t?t.value:d,h=null!==r?r.value:d,p=ed(d,o).mul(a.x),g=ed(c,u).mul(a.y),m=ed(h,l).mul(a.z);return Ia(p,g,m)}),yx=new ut,bx=new r,xx=new r,Tx=new r,_x=new a,vx=new r(0,0,-1),Nx=new s,Sx=new r,Rx=new r,Ex=new s,wx=new t,Ax=new ne,Cx=pd.flipX();Ax.depthTexture=new Z(1,1);let Mx=!1;class Bx extends Zl{static get type(){return"ReflectorNode"}constructor(e={}){super(e.defaultTexture||Ax.texture,Cx),this._reflectorBaseNode=e.reflector||new Lx(this,e),this._depthNode=null,this.setUpdateMatrix(!1)}get reflector(){return this._reflectorBaseNode}get target(){return this._reflectorBaseNode.target}getDepthNode(){if(null===this._depthNode){if(!0!==this._reflectorBaseNode.depth)throw new Error("THREE.ReflectorNode: Depth node can only be requested when the reflector is created with { depth: true }. ");this._depthNode=new Bx({defaultTexture:Ax.depthTexture,reflector:this._reflectorBaseNode})}return this._depthNode}setup(e){return e.object.isQuadMesh||this._reflectorBaseNode.build(e),super.setup(e)}clone(){const e=new this.constructor(this.reflectorNode);return e.uvNode=this.uvNode,e.levelNode=this.levelNode,e.biasNode=this.biasNode,e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.gatherNode=this.gatherNode,e.offsetNode=this.offsetNode,e._reflectorBaseNode=this._reflectorBaseNode,e}dispose(){super.dispose(),this._reflectorBaseNode.dispose()}}class Lx extends pi{static get type(){return"ReflectorBaseNode"}constructor(e,t={}){super();const{target:r=new at,resolutionScale:s=1,generateMipmaps:i=!1,bounces:n=!0,depth:a=!1,samples:o=0}=t;this.textureNode=e,this.target=r,this.resolutionScale=s,void 0!==t.resolution&&(v('ReflectorNode: The "resolution" parameter has been renamed to "resolutionScale".'),this.resolutionScale=t.resolution),this.generateMipmaps=i,this.bounces=n,this.depth=a,this.samples=o,this.updateBeforeType=n?ii.RENDER:ii.FRAME,this.virtualCameras=new WeakMap,this.renderTargets=new Map,this.forceUpdate=!1,this.hasOutput=!1}_updateResolution(e,t){const r=this.resolutionScale;t.getDrawingBufferSize(wx),e.setSize(Math.round(wx.width*r),Math.round(wx.height*r))}setup(e){return this._updateResolution(Ax,e.renderer),super.setup(e)}dispose(){super.dispose();for(const e of this.renderTargets.values())e.dispose()}getVirtualCamera(e){let t=this.virtualCameras.get(e);return void 0===t&&(t=e.clone(),this.virtualCameras.set(e,t)),t}getRenderTarget(e){let t=this.renderTargets.get(e);return void 0===t&&(t=new ne(0,0,{type:Te,samples:this.samples}),!0===this.generateMipmaps&&(t.texture.minFilter=ot,t.texture.generateMipmaps=!0),!0===this.depth&&(t.depthTexture=new Z),this.renderTargets.set(e,t)),t}updateBefore(e){if(!1===this.bounces&&Mx)return!1;Mx=!0;const{scene:t,camera:r,renderer:s,material:i}=e,{target:n}=this,a=this.getVirtualCamera(r),o=this.getRenderTarget(a);s.getDrawingBufferSize(wx),this._updateResolution(o,s),xx.setFromMatrixPosition(n.matrixWorld),Tx.setFromMatrixPosition(r.matrixWorld),_x.extractRotation(n.matrixWorld),bx.set(0,0,1),bx.applyMatrix4(_x),Sx.subVectors(xx,Tx);let u=!1;if(!0===Sx.dot(bx)>0&&!1===this.forceUpdate){if(!1===this.hasOutput)return void(Mx=!1);u=!0}Sx.reflect(bx).negate(),Sx.add(xx),_x.extractRotation(r.matrixWorld),vx.set(0,0,-1),vx.applyMatrix4(_x),vx.add(Tx),Rx.subVectors(xx,vx),Rx.reflect(bx).negate(),Rx.add(xx),a.coordinateSystem=r.coordinateSystem,a.position.copy(Sx),a.up.set(0,1,0),a.up.applyMatrix4(_x),a.up.reflect(bx),a.lookAt(Rx),a.near=r.near,a.far=r.far,a.updateMatrixWorld(),a.projectionMatrix.copy(r.projectionMatrix),yx.setFromNormalAndCoplanarPoint(bx,xx),yx.applyMatrix4(a.matrixWorldInverse),Nx.set(yx.normal.x,yx.normal.y,yx.normal.z,yx.constant);const l=a.projectionMatrix;Ex.x=(Math.sign(Nx.x)+l.elements[8])/l.elements[0],Ex.y=(Math.sign(Nx.y)+l.elements[9])/l.elements[5],Ex.z=-1,Ex.w=(1+l.elements[10])/l.elements[14],Nx.multiplyScalar(1/Nx.dot(Ex));l.elements[2]=Nx.x,l.elements[6]=Nx.y,l.elements[10]=s.coordinateSystem===h?Nx.z-0:Nx.z+1-0,l.elements[14]=Nx.w,this.textureNode.value=o.texture,!0===this.depth&&(this.textureNode.getDepthNode().value=o.depthTexture),i.visible=!1;const d=s.getRenderTarget(),c=s.getMRT(),p=s.autoClear;s.setMRT(null),s.setRenderTarget(o),s.autoClear=!0;const g=t.name;t.name=(t.name||"Scene")+" [ Reflector ]",u?(s.clear(),this.hasOutput=!1):(s.render(t,a),this.hasOutput=!0),t.name=g,s.setMRT(c),s.setRenderTarget(d),s.autoClear=p,i.visible=!0,Mx=!1,this.forceUpdate=!1}get resolution(){return v('ReflectorNode: The "resolution" property has been renamed to "resolutionScale".'),this.resolutionScale}set resolution(e){v('ReflectorNode: The "resolution" property has been renamed to "resolutionScale".'),this.resolutionScale=e}}const Fx=new Ne(-1,1,1,-1,0,1);class Px extends ve{constructor(e=!1){super();const t=!1===e?[0,-1,0,1,2,1]:[0,2,0,0,2,0];this.setAttribute("position",new lt([-1,3,0,-1,-1,0,3,-1,0],3)),this.setAttribute("uv",new lt(t,2))}}const Ux=new Px;class Dx extends oe{constructor(e=null){super(Ux,e),this.camera=Fx,this.isQuadMesh=!0}async renderAsync(e){v('QuadMesh: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await e.init(),e.render(this,Fx)}render(e){e.render(this,Fx)}}const Ix=new t;class Ox extends Zl{static get type(){return"RTTNode"}constructor(e,t=null,r=null,s={type:Te}){const i=new ne(t,r,s);super(i.texture,Hl()),this.isRTTNode=!0,this.node=e,this.width=t,this.height=r,this.renderTarget=i,this.textureNeedsUpdate=!0,this.autoUpdate=!0,this._resolutionScale=1,this._rttNode=null,this._quadMesh=new Dx(new Ug),this.updateBeforeType=ii.RENDER}get autoResize(){return null===this.width}setup(e){return this._rttNode=this.node.context(e.getSharedContext()),this._quadMesh.material.name="RTT",this._quadMesh.material.needsUpdate=!0,super.setup(e)}setSize(e,t){const r=Math.floor(e*this._resolutionScale),s=Math.floor(t*this._resolutionScale);this.renderTarget.setSize(r,s),this.textureNeedsUpdate=!0}setResolutionScale(e){return this._resolutionScale=e,!1===this.autoResize&&this.setSize(this.width,this.height),this}getResolutionScale(){return this._resolutionScale}updateBefore({renderer:e}){if(!1===this.textureNeedsUpdate&&!1===this.autoUpdate)return;this.textureNeedsUpdate=!1;const t=e.getRenderTarget();if(!0===this.autoResize){const t=e.getDrawingBufferSize(Ix),r=Math.floor(t.width*this._resolutionScale),s=Math.floor(t.height*this._resolutionScale);r===this.renderTarget.width&&s===this.renderTarget.height||(this.renderTarget.setSize(r,s),this.textureNeedsUpdate=!0)}let r="RTT";this.node.name&&(r=this.node.name+" [ "+r+" ]"),this._quadMesh.material.fragmentNode=this._rttNode,this._quadMesh.name=r,e.setRenderTarget(this.renderTarget),this._quadMesh.render(e),e.setRenderTarget(t)}clone(){const e=new Zl(this.value,this.uvNode,this.levelNode);return e.sampler=this.sampler,e.referenceNode=this,e}}const Vx=(e,...t)=>new Ox(sn(e),...t),kx=gn(([e,t,r],s)=>{let i;s.renderer.coordinateSystem===h?(e=Sn(e.x,e.y.oneMinus()).mul(2).sub(1),i=Ln(An(e,t),1)):i=Ln(An(e.x,e.y.oneMinus(),t).mul(2).sub(1),1);const n=Ln(r.mul(i));return n.xyz.div(n.w)}),Gx=gn(([e,t])=>{const r=t.mul(Ln(e,1)),s=r.xy.div(r.w).mul(.5).add(.5).toVar();return Sn(s.x,s.y.oneMinus())}),$x=gn(([e,t,r])=>{const s=ql(td(t)),i=Rn(e.mul(s)).toVar(),n=td(t,i).toVar(),a=td(t,i.sub(Rn(2,0))).toVar(),o=td(t,i.sub(Rn(1,0))).toVar(),u=td(t,i.add(Rn(1,0))).toVar(),l=td(t,i.add(Rn(2,0))).toVar(),d=td(t,i.add(Rn(0,2))).toVar(),c=td(t,i.add(Rn(0,1))).toVar(),h=td(t,i.sub(Rn(0,1))).toVar(),p=td(t,i.sub(Rn(0,2))).toVar(),g=$o(Oa(Tn(2).mul(o).sub(a),n)).toVar(),m=$o(Oa(Tn(2).mul(u).sub(l),n)).toVar(),f=$o(Oa(Tn(2).mul(c).sub(d),n)).toVar(),y=$o(Oa(Tn(2).mul(h).sub(p),n)).toVar(),b=kx(e,n,r).toVar(),x=g.lessThan(m).select(b.sub(kx(e.sub(Sn(Tn(1).div(s.x),0)),o,r)),b.negate().add(kx(e.add(Sn(Tn(1).div(s.x),0)),u,r))),T=f.lessThan(y).select(b.sub(kx(e.add(Sn(0,Tn(1).div(s.y))),c,r)),b.negate().add(kx(e.sub(Sn(0,Tn(1).div(s.y))),h,r)));return Ao(lu(x,T))}),zx=gn(([e])=>Co(Tn(52.9829189).mul(Co(uu(e,Sn(.06711056,.00583715)))))).setLayout({name:"interleavedGradientNoise",type:"float",inputs:[{name:"position",type:"vec2"}]}),Wx=gn(([e,t,r])=>{const s=Tn(2.399963229728653),i=So(Tn(e).add(.5).div(Tn(t))),n=Tn(e).mul(s).add(r);return Sn(Lo(n),Mo(n)).mul(i)}).setLayout({name:"vogelDiskSample",type:"vec2",inputs:[{name:"sampleIndex",type:"int"},{name:"samplesCount",type:"int"},{name:"phi",type:"float"}]});class Hx extends pi{static get type(){return"SampleNode"}constructor(e,t=null){super(),this.callback=e,this.uvNode=t,this.isSampleNode=!0}setup(){return this.sample(Hl())}sample(e){return this.callback(e)}}class jx extends j{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageInstancedBufferAttribute=!0}}class qx extends Ae{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageBufferAttribute=!0}}class Xx extends pi{static get type(){return"PointUVNode"}constructor(){super("vec2"),this.isPointUVNode=!0}generate(){return"vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y )"}}const Yx=ln(Xx),Kx=new a,Qx=Aa(0).setGroup(Ra).onRenderUpdate(({scene:e})=>e.backgroundBlurriness),Zx=Aa(1).setGroup(Ra).onRenderUpdate(({scene:e})=>e.backgroundIntensity),Jx=Aa(new a).setGroup(Ra).onRenderUpdate(({scene:e})=>{const t=e.background;return null!==t&&t.isTexture&&t.mapping!==dt?Kx.makeRotationFromEuler(e.backgroundRotation).transpose():Kx.identity(),Kx});class eT extends Zl{static get type(){return"StorageTextureNode"}constructor(e,t,r=null){super(e,t),this.storeNode=r,this.mipLevel=0,this.isStorageTextureNode=!0,this.access=ai.WRITE_ONLY}getInputType(){return"storageTexture"}getTransformedUV(e){return e}setup(e){super.setup(e);const t=e.getNodeProperties(this);return t.storeNode=this.storeNode,t}setAccess(e){return this.access=e,this}setMipLevel(e){return this.mipLevel=e,this}generate(e,t){return null!==this.storeNode?(this.generateStore(e),""):super.generate(e,t)}generateSnippet(e,t,r,s,i,n,a,o,u){const l=this.value;return e.generateStorageTextureLoad(l,t,r,s,n,u)}toReadWrite(){return this.setAccess(ai.READ_WRITE)}toReadOnly(){return this.setAccess(ai.READ_ONLY)}toWriteOnly(){return this.setAccess(ai.WRITE_ONLY)}store(e,t){const r=this.clone();return r.referenceNode=this.getBase(),r.uvNode=e,r.storeNode=t,null!==t&&r.toStack(),r}generateStore(e){const t=e.getNodeProperties(this),{uvNode:r,storeNode:s,depthNode:i}=t,n=super.generate(e,"property"),a=r.build(e,!0===this.value.is3DTexture?"uvec3":"uvec2"),o=s.build(e,"vec4"),u=i?i.build(e,"int"):null,l=e.generateTextureStore(this.value,n,a,u,o);e.addLineFlowCode(l,this)}clone(){const e=super.clone();return e.storeNode=this.storeNode,e.mipLevel=this.mipLevel,e.access=this.access,e}}const tT=un(eT).setParameterLength(1,3);class rT extends eT{static get type(){return"StorageTexture3DNode"}constructor(e,t,r=null){super(e,t,r),this.isStorageTexture3DNode=!0}getDefaultUV(){return An(.5,.5,.5)}setUpdateMatrix(){}generateUV(e,t){return t.build(e,!0===this.sampler?"vec3":"ivec3")}generateOffset(e,t){return t.build(e,"ivec3")}}const sT=un(rT).setParameterLength(1,3),iT=gn(({texture:e,uv:t})=>{const r=1e-4,s=An().toVar();return yn(t.x.lessThan(r),()=>{s.assign(An(1,0,0))}).ElseIf(t.y.lessThan(r),()=>{s.assign(An(0,1,0))}).ElseIf(t.z.lessThan(r),()=>{s.assign(An(0,0,1))}).ElseIf(t.x.greaterThan(.9999),()=>{s.assign(An(-1,0,0))}).ElseIf(t.y.greaterThan(.9999),()=>{s.assign(An(0,-1,0))}).ElseIf(t.z.greaterThan(.9999),()=>{s.assign(An(0,0,-1))}).Else(()=>{const r=.01,i=e.sample(t.add(An(-.01,0,0))).r.sub(e.sample(t.add(An(r,0,0))).r),n=e.sample(t.add(An(0,-.01,0))).r.sub(e.sample(t.add(An(0,r,0))).r),a=e.sample(t.add(An(0,0,-.01))).r.sub(e.sample(t.add(An(0,0,r))).r);s.assign(An(i,n,a))}),s.normalize()});class nT extends Zl{static get type(){return"Texture3DNode"}constructor(e,t=null,r=null){super(e,t,r),this.isTexture3DNode=!0}getInputType(){return"texture3D"}getDefaultUV(){return An(.5,.5,.5)}setUpdateMatrix(){}generateUV(e,t){return t.build(e,!0===this.sampler?"vec3":"ivec3")}generateOffset(e,t){return t.build(e,"ivec3")}normal(e){return iT({texture:this,uv:e})}}const aT=un(nT).setParameterLength(1,3);class oT extends Kc{static get type(){return"UserDataNode"}constructor(e,t,r=null){super(e,t,r),this.userData=r}updateReference(e){return this.reference=null!==this.userData?this.userData:e.object.userData,this.reference}}const uT=new WeakMap;class lT extends fi{static get type(){return"VelocityNode"}constructor(){super("vec2"),this.projectionMatrix=null,this.updateType=ii.OBJECT,this.updateAfterType=ii.OBJECT,this.previousModelWorldMatrix=Aa(new a),this.previousProjectionMatrix=Aa(new a).setGroup(Ra),this.previousCameraViewMatrix=Aa(new a)}setProjectionMatrix(e){this.projectionMatrix=e}update({frameId:e,camera:t,object:r}){const s=cT(r);this.previousModelWorldMatrix.value.copy(s);const i=dT(t);i.frameId!==e&&(i.frameId=e,void 0===i.previousProjectionMatrix?(i.previousProjectionMatrix=new a,i.previousCameraViewMatrix=new a,i.currentProjectionMatrix=new a,i.currentCameraViewMatrix=new a,i.previousProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.previousCameraViewMatrix.copy(t.matrixWorldInverse)):(i.previousProjectionMatrix.copy(i.currentProjectionMatrix),i.previousCameraViewMatrix.copy(i.currentCameraViewMatrix)),i.currentProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.currentCameraViewMatrix.copy(t.matrixWorldInverse),this.previousProjectionMatrix.value.copy(i.previousProjectionMatrix),this.previousCameraViewMatrix.value.copy(i.previousCameraViewMatrix))}updateAfter({object:e}){cT(e).copy(e.matrixWorld)}setup(){const e=null===this.projectionMatrix?Od:Aa(this.projectionMatrix),t=this.previousCameraViewMatrix.mul(this.previousModelWorldMatrix),r=e.mul(uc).mul(gc),s=this.previousProjectionMatrix.mul(t).mul(mc),i=r.xy.div(r.w),n=s.xy.div(s.w);return Oa(i,n)}}function dT(e){let t=uT.get(e);return void 0===t&&(t={},uT.set(e,t)),t}function cT(e,t=0){const r=dT(e);let s=r[t];return void 0===s&&(r[t]=s=new a,r[t].copy(e.matrixWorld)),s}const hT=ln(lT),pT=gn(([e,t])=>ru(1,e.oneMinus().div(t)).oneMinus()).setLayout({name:"blendBurn",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),gT=gn(([e,t])=>ru(e.div(t.oneMinus()),1)).setLayout({name:"blendDodge",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),mT=gn(([e,t])=>e.oneMinus().mul(t.oneMinus()).oneMinus()).setLayout({name:"blendScreen",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),fT=gn(([e,t])=>yu(e.mul(2).mul(t),e.oneMinus().mul(2).mul(t.oneMinus()).oneMinus(),iu(.5,e))).setLayout({name:"blendOverlay",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),yT=gn(([e,t])=>{const r=t.a.add(e.a.mul(t.a.oneMinus()));return Ln(t.rgb.mul(t.a).add(e.rgb.mul(e.a).mul(t.a.oneMinus())).div(r),r)}).setLayout({name:"blendColor",type:"vec4",inputs:[{name:"base",type:"vec4"},{name:"blend",type:"vec4"}]}),bT=gn(([e])=>vT(e.rgb)),xT=gn(([e,t=Tn(1)])=>t.mix(vT(e.rgb),e.rgb)),TT=gn(([e,t=Tn(1)])=>{const r=Ia(e.r,e.g,e.b).div(3),s=e.r.max(e.g.max(e.b)),i=s.sub(r).mul(t).mul(-3);return yu(e.rgb,s,i)}),_T=gn(([e,t=Tn(1)])=>{const r=An(.57735,.57735,.57735),s=t.cos();return An(e.rgb.mul(s).add(r.cross(e.rgb).mul(t.sin()).add(r.mul(uu(r,e.rgb).mul(s.oneMinus())))))}),vT=(e,t=An(p.getLuminanceCoefficients(new r)))=>uu(e,t),NT=gn(([e,t=An(1),s=An(0),i=An(1),n=Tn(1),a=An(p.getLuminanceCoefficients(new r,Re))])=>{const o=e.rgb.dot(An(a)),u=su(e.rgb.mul(t).add(s),0).toVar(),l=u.pow(i).toVar();return yn(u.r.greaterThan(0),()=>{u.r.assign(l.r)}),yn(u.g.greaterThan(0),()=>{u.g.assign(l.g)}),yn(u.b.greaterThan(0),()=>{u.b.assign(l.b)}),u.assign(o.add(u.sub(o).mul(n))),Ln(u.rgb,e.a)}),ST=gn(([e,t])=>e.mul(t).floor().div(t));let RT=null;class ET extends dg{static get type(){return"ViewportSharedTextureNode"}constructor(e=pd,t=null){null===RT&&(RT=new K),super(e,t,RT)}getTextureForReference(){return RT}updateReference(){return this}}const wT=un(ET).setParameterLength(0,2),AT=new t;class CT extends Zl{static get type(){return"PassTextureNode"}constructor(e,t){super(t),this.passNode=e,this.isPassTextureNode=!0,this.setUpdateMatrix(!1)}setup(e){return e.getNodeProperties(this).passNode=this.passNode,super.setup(e)}clone(){return new this.constructor(this.passNode,this.value)}}class MT extends CT{static get type(){return"PassMultipleTextureNode"}constructor(e,t,r=!1){super(e,null),this.textureName=t,this.previousTexture=r,this.isPassMultipleTextureNode=!0}updateTexture(){this.value=this.previousTexture?this.passNode.getPreviousTexture(this.textureName):this.passNode.getTexture(this.textureName)}setup(e){return this.updateTexture(),super.setup(e)}clone(){const e=new this.constructor(this.passNode,this.textureName,this.previousTexture);return e.uvNode=this.uvNode,e.levelNode=this.levelNode,e.biasNode=this.biasNode,e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.gatherNode=this.gatherNode,e.offsetNode=this.offsetNode,e}}class BT extends fi{static get type(){return"PassNode"}constructor(e,t,r,s={}){super("vec4"),this.scope=e,this.scene=t,this.camera=r,this.options=s,this._width=1,this._height=1;const i=new ne(this._width,this._height,{type:Te,...s});i.texture.name="output";let n=null;this.scope!==BT.DEPTH&&!1===s.depthBuffer||(n=new Z,n.isRenderTargetTexture=!0,n.name="depth",i.depthTexture=n),this.renderTarget=i,this.overrideMaterial=null,this.transparent=!0,this.opaque=!0,this.contextNode=null,this._contextNodeCache=null,this._textures={output:i.texture},null!==n&&(this._textures.depth=n),this._textureNodes={},this._linearDepthNodes={},this._viewZNodes={},this._previousTextures={},this._previousTextureNodes={},this._cameraNear=Aa(0),this._cameraFar=Aa(0),this._mrt=null,this._layers=null,this._resolutionScale=1,this._viewport=null,this._scissor=null,this.isPassNode=!0,this.updateBeforeType=ii.FRAME,this.global=!0}setResolutionScale(e){return this._resolutionScale=e,this}getResolutionScale(){return this._resolutionScale}setResolution(e){return d("PassNode: .setResolution() is deprecated. Use .setResolutionScale() instead."),this.setResolutionScale(e)}getResolution(){return d("PassNode: .getResolution() is deprecated. Use .getResolutionScale() instead."),this.getResolutionScale()}setLayers(e){return this._layers=e,this}getLayers(){return this._layers}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}getTexture(e){let t=this._textures[e];if(void 0===t){if("depth"===e)throw new Error("THREE.PassNode: Depth texture is not available for this pass.");t=this.renderTarget.texture.clone(),t.name=e,this._textures[e]=t,this.renderTarget.textures.push(t)}return t}getPreviousTexture(e){let t=this._previousTextures[e];return void 0===t&&(t=this.getTexture(e).clone(),this._previousTextures[e]=t),t}toggleTexture(e){const t=this._previousTextures[e];if(void 0!==t){const r=this._textures[e],s=this.renderTarget.textures.indexOf(r);this.renderTarget.textures[s]=t,this._textures[e]=t,this._previousTextures[e]=r,this._textureNodes[e].updateTexture(),this._previousTextureNodes[e].updateTexture()}}getTextureNode(e="output"){let t=this._textureNodes[e];return void 0===t&&(t=new MT(this,e),t.updateTexture(),this._textureNodes[e]=t),t}getPreviousTextureNode(e="output"){let t=this._previousTextureNodes[e];return void 0===t&&(void 0===this._textureNodes[e]&&this.getTextureNode(e),t=new MT(this,e,!0),t.updateTexture(),this._previousTextureNodes[e]=t),t}getViewZNode(e="depth"){let t=this._viewZNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar;this._viewZNodes[e]=t=Ng(this.getTextureNode(e),r,s)}return t}getLinearDepthNode(e="depth"){let t=this._linearDepthNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar,i=this.getViewZNode(e);this._linearDepthNodes[e]=t=xg(i,r,s)}return t}async compileAsync(e){const t=e.getRenderTarget(),r=e.getMRT();e.setRenderTarget(this.renderTarget),e.setMRT(this._mrt),await e.compileAsync(this.scene,this.camera),e.setRenderTarget(t),e.setMRT(r)}setup({renderer:e}){return this.renderTarget.samples=void 0===this.options.samples?e.samples:this.options.samples,this.renderTarget.texture.type=e.getOutputBufferType(),!0===e.reversedDepthBuffer&&null!==this.renderTarget.depthTexture&&(this.renderTarget.depthTexture.type=Y),this.scope===BT.COLOR?this.getTextureNode():this.getLinearDepthNode()}updateBefore(e){const{renderer:t}=e,{scene:r}=this;let s;const i=t.getOutputRenderTarget();i&&!0===i.isXRRenderTarget?(s=t.xr.getCamera(),t.xr.updateCamera(s),AT.set(i.width,i.height)):(s=this.camera,t.getDrawingBufferSize(AT)),this.setSize(AT.width,AT.height);const n=t.getRenderTarget(),a=t.getMRT(),o=t.autoClear,u=t.transparent,l=t.opaque,d=s.layers.mask,c=t.contextNode,h=r.overrideMaterial;this._cameraNear.value=s.near,this._cameraFar.value=s.far,null!==this._layers&&(s.layers.mask=this._layers.mask);for(const e in this._previousTextures)this.toggleTexture(e);null!==this.overrideMaterial&&(r.overrideMaterial=this.overrideMaterial),t.setRenderTarget(this.renderTarget),t.setMRT(this._mrt),t.autoClear=!0,t.transparent=this.transparent,t.opaque=this.opaque,null!==this.contextNode&&(null!==this._contextNodeCache&&this._contextNodeCache.version===this.version||(this._contextNodeCache={version:this.version,context:Lu({...t.contextNode.getFlowContextData(),...this.contextNode.getFlowContextData()})}),t.contextNode=this._contextNodeCache.context);const p=r.name;r.name=this.name?this.name:r.name,t.render(r,s),r.name=p,r.overrideMaterial=h,t.setRenderTarget(n),t.setMRT(a),t.autoClear=o,t.transparent=u,t.opaque=l,t.contextNode=c,s.layers.mask=d}setSize(e,t){this._width=e,this._height=t;const r=Math.floor(this._width*this._resolutionScale),s=Math.floor(this._height*this._resolutionScale);this.renderTarget.setSize(r,s),null!==this._scissor?(this.renderTarget.scissor.copy(this._scissor).multiplyScalar(this._resolutionScale).floor(),this.renderTarget.scissorTest=!0):this.renderTarget.scissorTest=!1,null!==this._viewport&&this.renderTarget.viewport.copy(this._viewport).multiplyScalar(this._resolutionScale).floor()}setScissor(e,t,r,i){null===e?this._scissor=null:(null===this._scissor&&(this._scissor=new s),e.isVector4?this._scissor.copy(e):this._scissor.set(e,t,r,i))}setViewport(e,t,r,i){null===e?this._viewport=null:(null===this._viewport&&(this._viewport=new s),e.isVector4?this._viewport.copy(e):this._viewport.set(e,t,r,i))}dispose(){this.renderTarget.dispose()}}BT.COLOR="color",BT.DEPTH="depth";class LT extends BT{static get type(){return"ToonOutlinePassNode"}constructor(e,t,r,s,i){super(BT.COLOR,e,t),this.colorNode=r,this.thicknessNode=s,this.alphaNode=i,this._materialCache=new WeakMap,this.name="Outline Pass"}updateBefore(e){const{renderer:t}=e,r=t.getRenderObjectFunction();t.setRenderObjectFunction((e,r,s,i,n,a,o,u)=>{if((n.isMeshToonMaterial||n.isMeshToonNodeMaterial)&&!1===n.wireframe){const l=this._getOutlineMaterial(n);t.renderObject(e,r,s,i,l,a,o,u)}t.renderObject(e,r,s,i,n,a,o,u)}),super.updateBefore(e),t.setRenderObjectFunction(r)}_createMaterial(){const e=new Ug;e.isMeshToonOutlineMaterial=!0,e.name="Toon_Outline",e.side=F;const t=Rc.negate(),r=Od.mul(uc),s=Tn(1),i=r.mul(Ln(gc,1)),n=r.mul(Ln(gc.add(t),1)),a=Ao(i.sub(n));return e.vertexNode=i.add(a.mul(this.thicknessNode).mul(i.w).mul(s)),e.colorNode=Ln(this.colorNode,this.alphaNode),e}_getOutlineMaterial(e){let t=this._materialCache.get(e);return void 0===t&&(t=this._createMaterial(),this._materialCache.set(e,t)),t}}const FT=gn(([e,t])=>e.mul(t).clamp()).setLayout({name:"linearToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),PT=gn(([e,t])=>(e=e.mul(t)).div(e.add(1)).clamp()).setLayout({name:"reinhardToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),UT=gn(([e,t])=>{const r=(e=(e=e.mul(t)).sub(.004).max(0)).mul(e.mul(6.2).add(.5)),s=e.mul(e.mul(6.2).add(1.7)).add(.06);return r.div(s).pow(2.2)}).setLayout({name:"cineonToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),DT=gn(([e])=>{const t=e.mul(e.add(.0245786)).sub(90537e-9),r=e.mul(e.add(.432951).mul(.983729)).add(.238081);return t.div(r)}),IT=gn(([e,t])=>{const r=In(.59719,.35458,.04823,.076,.90834,.01566,.0284,.13383,.83777),s=In(1.60475,-.53108,-.07367,-.10208,1.10813,-.00605,-.00327,-.07276,1.07602);return e=e.mul(t).div(.6),e=r.mul(e),e=DT(e),(e=s.mul(e)).clamp()}).setLayout({name:"acesFilmicToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),OT=In(An(1.6605,-.1246,-.0182),An(-.5876,1.1329,-.1006),An(-.0728,-.0083,1.1187)),VT=In(An(.6274,.0691,.0164),An(.3293,.9195,.088),An(.0433,.0113,.8956)),kT=gn(([e])=>{const t=An(e).toVar(),r=An(t.mul(t)).toVar(),s=An(r.mul(r)).toVar();return Tn(15.5).mul(s.mul(r)).sub(Va(40.14,s.mul(t))).add(Va(31.96,s).sub(Va(6.868,r.mul(t))).add(Va(.4298,r).add(Va(.1191,t).sub(.00232))))}),GT=gn(([e,t])=>{const r=An(e).toVar(),s=In(An(.856627153315983,.137318972929847,.11189821299995),An(.0951212405381588,.761241990602591,.0767994186031903),An(.0482516061458583,.101439036467562,.811302368396859)),i=In(An(1.1271005818144368,-.1413297634984383,-.14132976349843826),An(-.11060664309660323,1.157823702216272,-.11060664309660294),An(-.016493938717834573,-.016493938717834257,1.2519364065950405)),n=Tn(-12.47393),a=Tn(4.026069);return r.mulAssign(t),r.assign(VT.mul(r)),r.assign(s.mul(r)),r.assign(su(r,1e-10)),r.assign(No(r)),r.assign(r.sub(n).div(a.sub(n))),r.assign(bu(r,0,1)),r.assign(kT(r)),r.assign(i.mul(r)),r.assign(du(su(An(0),r),An(2.2))),r.assign(OT.mul(r)),r.assign(bu(r,0,1)),r}).setLayout({name:"agxToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),$T=gn(([e,t])=>{const r=Tn(.76),s=Tn(.15);e=e.mul(t);const i=ru(e.r,ru(e.g,e.b)),n=Mu(i.lessThan(.08),i.sub(Va(6.25,i.mul(i))),.04);e.subAssign(n);const a=su(e.r,su(e.g,e.b));yn(a.lessThan(r),()=>e);const o=Oa(1,r),u=Oa(1,o.mul(o).div(a.add(o.sub(r))));e.mulAssign(u.div(a));const l=Oa(1,ka(1,s.mul(a.sub(u)).add(1)));return yu(e,An(u),l)}).setLayout({name:"neutralToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]});class zT extends pi{static get type(){return"CodeNode"}constructor(e="",t=[],r=""){super("code"),this.isCodeNode=!0,this.global=!0,this.code=e,this.includes=t,this.language=r}setIncludes(e){return this.includes=e,this}getIncludes(){return this.includes}generate(e){const t=this.getIncludes(e);for(const r of t)r.build(e);const r=e.getCodeFromNode(this,this.getNodeType(e));return r.code=this.code,r.code}serialize(e){super.serialize(e),e.code=this.code,e.language=this.language}deserialize(e){super.deserialize(e),this.code=e.code,this.language=e.language}}const WT=un(zT).setParameterLength(1,3);class HT extends zT{static get type(){return"FunctionNode"}constructor(e="",t=[],r=""){super(e,t,r)}generateNodeType(e){return this.getNodeFunction(e).type}getMemberType(e,t){const r=this.getNodeType(e);return e.getStructTypeNode(r).getMemberType(e,t)}getInputs(e){return this.getNodeFunction(e).inputs}getNodeFunction(e){const t=e.getDataFromNode(this);let r=t.nodeFunction;return void 0===r&&(r=e.parser.parseFunction(this.code),t.nodeFunction=r),r}generate(e,t){super.generate(e);const r=this.getNodeFunction(e),s=r.name,i=r.type,n=e.getCodeFromNode(this,i);""!==s&&(n.name=s);const a=e.getPropertyName(n),o=this.getNodeFunction(e).getCode(a);return n.code=o+"\n","property"===t?a:e.format(`${a}()`,i,t)}}const jT=(e,t=[],r="")=>{const s=new HT(e,t,r);return cn((...e)=>s.call(...e),s)};function qT(e){let t;const r=e.context.getViewZ;return void 0!==r&&(t=r(this)),(t||bc.z).negate()}const XT=gn(([e,t],r)=>{const s=qT(r);return _u(e,t,s)}),YT=gn(([e],t)=>{const r=qT(t);return e.mul(e,r,r).negate().exp().oneMinus()}),KT=gn(([e,t],r)=>{const s=qT(r),i=t.sub(fc.y).max(0).toConst().mul(s).toConst();return e.mul(e,i,i).negate().exp().oneMinus()}),QT=gn(([e,t])=>Ln(t.toFloat().mix(da.rgb,e.toVec3()),da.a));let ZT=null,JT=null;class e_ extends pi{static get type(){return"RangeNode"}constructor(e=Tn(),t=Tn()){super(),this.minNode=e,this.maxNode=t}getVectorLength(e){const t=this.getConstNode(this.minNode),r=this.getConstNode(this.maxNode),s=e.getTypeLength(Qs(t.value)),i=e.getTypeLength(Qs(r.value));return s>i?s:i}generateNodeType(e){return e.object.count>1?e.getTypeFromLength(this.getVectorLength(e)):"float"}getConstNode(e){let t=null;if(e.traverse(e=>{!0===e.isConstNode&&(t=e)}),null===t)throw new Kl('THREE.TSL: No "ConstNode" found in node graph.',this.stackTrace);return t}setup(e){const t=e.object;let r=null;if(t.count>1){const i=this.getConstNode(this.minNode),n=this.getConstNode(this.maxNode),a=i.value,o=n.value,u=e.getTypeLength(Qs(a)),d=e.getTypeLength(Qs(o));ZT=ZT||new s,JT=JT||new s,ZT.setScalar(0),JT.setScalar(0),1===u?ZT.setScalar(a):a.isColor?ZT.set(a.r,a.g,a.b,1):ZT.set(a.x,a.y,a.z||0,a.w||0),1===d?JT.setScalar(o):o.isColor?JT.set(o.r,o.g,o.b,1):JT.set(o.x,o.y,o.z||0,o.w||0);const c=4,h=c*t.count,p=new Float32Array(h);for(let e=0;e<h;e++){const t=e%c,r=ZT.getComponent(t),s=JT.getComponent(t);p[e]=l.lerp(r,s,Math.random())}const g=this.getNodeType(e);if(4*t.count*4<=e.getUniformBufferLimit())r=sd(p,"vec4",t.count).element(fl).convert(g);else{const t=new j(p,4);e.geometry.setAttribute("__range"+this.id,t),r=hl(t).convert(g)}}else r=Tn(0);return r}}const t_=un(e_).setParameterLength(2);class r_ extends pi{static get type(){return"ComputeBuiltinNode"}constructor(e,t){super(t),this._builtinName=e}getHash(e){return this.getBuiltinName(e)}generateNodeType(){return this.nodeType}setBuiltinName(e){return this._builtinName=e,this}getBuiltinName(){return this._builtinName}hasBuiltin(e){return e.hasBuiltin(this._builtinName)}generate(e,t){const r=this.getBuiltinName(e),s=this.getNodeType(e);return"compute"===e.shaderStage?e.format(r,s,t):(d(`ComputeBuiltinNode: Compute built-in value ${r} can not be accessed in the ${e.shaderStage} stage`),e.generateConst(s))}serialize(e){super.serialize(e),e.global=this.global,e._builtinName=this._builtinName}deserialize(e){super.deserialize(e),this.global=e.global,this._builtinName=e._builtinName}}const s_=(e,t)=>new r_(e,t),i_=s_("numWorkgroups","uvec3"),n_=s_("workgroupId","uvec3"),a_=s_("globalId","uvec3"),o_=s_("localId","uvec3"),u_=s_("subgroupSize","uint");class l_ extends pi{constructor(e){super(),this.scope=e,this.isBarrierNode=!0}setup(e){e.allowEarlyReturns=!1,e.allowGlobalVariables=!1}generate(e){const{scope:t}=this,{renderer:r}=e;!0===r.backend.isWebGLBackend?e.addFlowCode(`\t// ${t}Barrier \n`):e.addLineFlowCode(`${t}Barrier()`,this)}}const d_=un(l_);class c_ extends gi{constructor(e,t){super(e,t),this.isWorkgroupInfoElementNode=!0}generate(e,t){let r;const s=e.isContextAssign();if(r=super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}class h_ extends pi{constructor(e,t,r=0){super(t),this.bufferType=t,this.bufferCount=r,this.isWorkgroupInfoNode=!0,this.elementType=t,this.scope=e,this.name=""}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.',new Vs),this.setName(e)}setScope(e){return this.scope=e,this}getElementType(){return this.elementType}getInputType(){return`${this.scope}Array`}element(e){return new c_(this,e)}generate(e){const t=""!==this.name?this.name:`${this.scope}Array_${this.id}`;return e.getScopedArray(t,this.scope.toLowerCase(),this.bufferType,this.bufferCount)}}class p_ extends pi{static get type(){return"AtomicFunctionNode"}constructor(e,t,r){super("uint"),this.method=e,this.pointerNode=t,this.valueNode=r,this.parents=!0}getInputType(e){return this.pointerNode.getNodeType(e)}generateNodeType(e){return this.getInputType(e)}generate(e){const t=e.getNodeProperties(this),r=t.parents,s=this.method,i=this.getNodeType(e),n=this.getInputType(e),a=this.pointerNode,o=this.valueNode,u=[];u.push(`&${a.build(e,n)}`),null!==o&&u.push(o.build(e,n));const l=`${e.getMethod(s,i)}( ${u.join(", ")} )`;if(!(!!r&&(1===r.length&&!0===r[0].isStackNode)))return void 0===t.constNode&&(t.constNode=Ll(l,i).toConst()),t.constNode.build(e);e.addLineFlowCode(l,this)}}p_.ATOMIC_LOAD="atomicLoad",p_.ATOMIC_STORE="atomicStore",p_.ATOMIC_ADD="atomicAdd",p_.ATOMIC_SUB="atomicSub",p_.ATOMIC_MAX="atomicMax",p_.ATOMIC_MIN="atomicMin",p_.ATOMIC_AND="atomicAnd",p_.ATOMIC_OR="atomicOr",p_.ATOMIC_XOR="atomicXor";const g_=un(p_),m_=(e,t,r)=>g_(e,t,r).toStack();class f_ extends fi{static get type(){return"SubgroupFunctionNode"}constructor(e,t=null,r=null){super(),this.method=e,this.aNode=t,this.bNode=r}getInputType(e){const t=this.aNode?this.aNode.getNodeType(e):null,r=this.bNode?this.bNode.getNodeType(e):null;return(e.isMatrix(t)?0:e.getTypeLength(t))>(e.isMatrix(r)?0:e.getTypeLength(r))?t:r}generateNodeType(e){const t=this.method;return t===f_.SUBGROUP_ELECT?"bool":t===f_.SUBGROUP_BALLOT?"uvec4":this.getInputType(e)}generate(e,t){const r=this.method,s=this.getNodeType(e),i=this.getInputType(e),n=this.aNode,a=this.bNode,o=[];if(r===f_.SUBGROUP_BROADCAST||r===f_.SUBGROUP_SHUFFLE||r===f_.QUAD_BROADCAST){const t=a.getNodeType(e);o.push(n.build(e,s),a.build(e,"float"===t?"int":s))}else r===f_.SUBGROUP_SHUFFLE_XOR||r===f_.SUBGROUP_SHUFFLE_DOWN||r===f_.SUBGROUP_SHUFFLE_UP?o.push(n.build(e,s),a.build(e,"uint")):(null!==n&&o.push(n.build(e,i)),null!==a&&o.push(a.build(e,i)));const u=0===o.length?"()":`( ${o.join(", ")} )`;return e.format(`${e.getMethod(r,s)}${u}`,s,t)}serialize(e){super.serialize(e),e.method=this.method}deserialize(e){super.deserialize(e),this.method=e.method}}f_.SUBGROUP_ELECT="subgroupElect",f_.SUBGROUP_BALLOT="subgroupBallot",f_.SUBGROUP_ADD="subgroupAdd",f_.SUBGROUP_INCLUSIVE_ADD="subgroupInclusiveAdd",f_.SUBGROUP_EXCLUSIVE_AND="subgroupExclusiveAdd",f_.SUBGROUP_MUL="subgroupMul",f_.SUBGROUP_INCLUSIVE_MUL="subgroupInclusiveMul",f_.SUBGROUP_EXCLUSIVE_MUL="subgroupExclusiveMul",f_.SUBGROUP_AND="subgroupAnd",f_.SUBGROUP_OR="subgroupOr",f_.SUBGROUP_XOR="subgroupXor",f_.SUBGROUP_MIN="subgroupMin",f_.SUBGROUP_MAX="subgroupMax",f_.SUBGROUP_ALL="subgroupAll",f_.SUBGROUP_ANY="subgroupAny",f_.SUBGROUP_BROADCAST_FIRST="subgroupBroadcastFirst",f_.QUAD_SWAP_X="quadSwapX",f_.QUAD_SWAP_Y="quadSwapY",f_.QUAD_SWAP_DIAGONAL="quadSwapDiagonal",f_.SUBGROUP_BROADCAST="subgroupBroadcast",f_.SUBGROUP_SHUFFLE="subgroupShuffle",f_.SUBGROUP_SHUFFLE_XOR="subgroupShuffleXor",f_.SUBGROUP_SHUFFLE_UP="subgroupShuffleUp",f_.SUBGROUP_SHUFFLE_DOWN="subgroupShuffleDown",f_.QUAD_BROADCAST="quadBroadcast";const y_=dn(f_,f_.SUBGROUP_ELECT).setParameterLength(0),b_=dn(f_,f_.SUBGROUP_BALLOT).setParameterLength(1),x_=dn(f_,f_.SUBGROUP_ADD).setParameterLength(1),T_=dn(f_,f_.SUBGROUP_INCLUSIVE_ADD).setParameterLength(1),__=dn(f_,f_.SUBGROUP_EXCLUSIVE_AND).setParameterLength(1),v_=dn(f_,f_.SUBGROUP_MUL).setParameterLength(1),N_=dn(f_,f_.SUBGROUP_INCLUSIVE_MUL).setParameterLength(1),S_=dn(f_,f_.SUBGROUP_EXCLUSIVE_MUL).setParameterLength(1),R_=dn(f_,f_.SUBGROUP_AND).setParameterLength(1),E_=dn(f_,f_.SUBGROUP_OR).setParameterLength(1),w_=dn(f_,f_.SUBGROUP_XOR).setParameterLength(1),A_=dn(f_,f_.SUBGROUP_MIN).setParameterLength(1),C_=dn(f_,f_.SUBGROUP_MAX).setParameterLength(1),M_=dn(f_,f_.SUBGROUP_ALL).setParameterLength(0),B_=dn(f_,f_.SUBGROUP_ANY).setParameterLength(0),L_=dn(f_,f_.SUBGROUP_BROADCAST_FIRST).setParameterLength(2),F_=dn(f_,f_.QUAD_SWAP_X).setParameterLength(1),P_=dn(f_,f_.QUAD_SWAP_Y).setParameterLength(1),U_=dn(f_,f_.QUAD_SWAP_DIAGONAL).setParameterLength(1),D_=dn(f_,f_.SUBGROUP_BROADCAST).setParameterLength(2),I_=dn(f_,f_.SUBGROUP_SHUFFLE).setParameterLength(2),O_=dn(f_,f_.SUBGROUP_SHUFFLE_XOR).setParameterLength(2),V_=dn(f_,f_.SUBGROUP_SHUFFLE_UP).setParameterLength(2),k_=dn(f_,f_.SUBGROUP_SHUFFLE_DOWN).setParameterLength(2),G_=dn(f_,f_.QUAD_BROADCAST).setParameterLength(1);let $_;function z_(e){$_=$_||new WeakMap;let t=$_.get(e);return void 0===t&&$_.set(e,t={}),t}function W_(e){const t=z_(e);return t.shadowMatrix||(t.shadowMatrix=Aa("mat4").setGroup(Ra).onRenderUpdate(t=>(!0===e.castShadow&&!1!==t.renderer.shadowMap.enabled||(e.shadow.camera.coordinateSystem!==t.camera.coordinateSystem&&(e.shadow.camera.coordinateSystem=t.camera.coordinateSystem,e.shadow.camera.updateProjectionMatrix()),e.shadow.updateMatrices(e)),e.shadow.matrix)))}function H_(e,t=fc){const r=W_(e).mul(t);return r.xyz.div(r.w)}function j_(e){const t=z_(e);return t.position||(t.position=Aa(new r).setGroup(Ra).onRenderUpdate((t,r)=>r.value.setFromMatrixPosition(e.matrixWorld)))}function q_(e){const t=z_(e);return t.targetPosition||(t.targetPosition=Aa(new r).setGroup(Ra).onRenderUpdate((t,r)=>r.value.setFromMatrixPosition(e.target.matrixWorld)))}function X_(e){const t=z_(e);return t.viewPosition||(t.viewPosition=Aa(new r).setGroup(Ra).onRenderUpdate(({camera:t},s)=>{s.value=s.value||new r,s.value.setFromMatrixPosition(e.matrixWorld),s.value.applyMatrix4(t.matrixWorldInverse)}))}const Y_=e=>kd.transformDirection(j_(e).sub(q_(e))),K_=$n("vec3","totalDiffuse"),Q_=$n("vec3","totalSpecular"),Z_=$n("vec3","outgoingLight"),J_=(e,t)=>{for(const r of t)if(r.isAnalyticLightNode&&r.light.id===e)return r;return null},ev=new WeakMap,tv=[];class rv extends pi{static get type(){return"LightsNode"}constructor(){super("vec3"),this.totalDiffuseNode=K_,this.totalSpecularNode=Q_,this.outgoingLightNode=Z_,this._lights=[],this.global=!0}customCacheKey(){const e=this._lights;for(let t=0;t<e.length;t++){const r=e[t];if(tv.push(r.id),tv.push(r.castShadow?1:0),!0===r.isSpotLight){const e=null!==r.map?r.map.id:-1,t=r.colorNode?r.colorNode.getCacheKey():-1;tv.push(e,t)}}const t=$s(tv);return tv.length=0,t}getHash(e){const t=e.getDataFromNode(this);if(void 0===t.lightNodesHash){const r=this.setupLightsNode(e);t.lightNodes=r;const s=[];for(const e of r)s.push(e.getHash());t.lightNodesHash="lights-"+s.join(",")}return t.lightNodesHash}analyze(e){const t=e.getNodeProperties(this);for(const r of t.nodes)r.build(e);t.outputNode.build(e)}setupLightsNode(e){const t=[],r=e.getDataFromNode(this).lightNodes||null,s=(e=>e.sort((e,t)=>e.id-t.id))([...e.context.materialLightings,...this._lights]),i=e.renderer.library;for(const e of s)if(e.isNode)t.push(e);else{let s=null;if(null!==r&&(s=J_(e.id,r)),null===s){const t=i.getLightNodeClass(e.constructor);if(null===t){d(`LightsNode.setupNodeLights: Light node not found for ${e.constructor.name}`);continue}!1===ev.has(e)&&ev.set(e,new t(e)),s=ev.get(e)}t.push(s)}return t}setupDirectLight(e,t,r){const{lightingModel:s,reflectedLight:i}=e.context;s.direct({...r,lightNode:t,reflectedLight:i},e)}setupDirectRectAreaLight(e,t,r){const{lightingModel:s,reflectedLight:i}=e.context;s.directRectArea({...r,lightNode:t,reflectedLight:i},e)}setupLights(e,t){for(const r of t)r.build(e)}getLightNodes(e){const t=e.getDataFromNode(this);return void 0===t.lightNodes&&(t.lightNodes=this.setupLightsNode(e)),t.lightNodes}setup(e){const t=e.lightsNode;e.lightsNode=this;let r=this.outgoingLightNode;const s=e.context,i=s.lightingModel,n=e.getNodeProperties(this);if(i){const{totalDiffuseNode:t,totalSpecularNode:a}=this;s.outgoingLight=r;const o=e.addStack();n.nodes=o.nodes,i.start(e);const{backdrop:u,backdropAlpha:l}=s,{directDiffuse:d,directSpecular:c,indirectDiffuse:h,indirectSpecular:p}=s.reflectedLight;let g=d.add(h);null!==u&&(g=An(null!==l?l.mix(g,u):u)),t.assign(g),a.assign(c.add(p)),r.assign(t.add(a)),i.finish(e),r=r.bypass(e.removeStack())}else n.nodes=[];return e.lightsNode=t,r}setLights(e){return this._lights=e,this}getLights(){return this._lights}get hasLights(){return this._lights.length>0}}class sv extends pi{static get type(){return"ShadowBaseNode"}constructor(e){super(),this.light=e,this.updateBeforeType=ii.RENDER,this.isShadowBaseNode=!0}setupShadowPosition({context:e,material:t}){iv.assign(t.receivedShadowPositionNode||e.shadowPositionWorld||fc)}}const iv=$n("vec3","shadowPositionWorld");function nv(t,r={}){return r.toneMapping=t.toneMapping,r.toneMappingExposure=t.toneMappingExposure,r.outputColorSpace=t.outputColorSpace,r.renderTarget=t.getRenderTarget(),r.activeCubeFace=t.getActiveCubeFace(),r.activeMipmapLevel=t.getActiveMipmapLevel(),r.renderObjectFunction=t.getRenderObjectFunction(),r.pixelRatio=t.getPixelRatio(),r.mrt=t.getMRT(),r.clearColor=t.getClearColor(r.clearColor||new e),r.clearAlpha=t.getClearAlpha(),r.autoClear=t.autoClear,r.scissorTest=t.getScissorTest(),r}function av(e,t){return t=nv(e,t),e.setMRT(null),e.setRenderObjectFunction(null),e.setClearColor(0,1),e.autoClear=!0,t}function ov(e,t){e.toneMapping=t.toneMapping,e.toneMappingExposure=t.toneMappingExposure,e.outputColorSpace=t.outputColorSpace,e.setRenderTarget(t.renderTarget,t.activeCubeFace,t.activeMipmapLevel),e.setRenderObjectFunction(t.renderObjectFunction),e.setPixelRatio(t.pixelRatio),e.setMRT(t.mrt),e.setClearColor(t.clearColor,t.clearAlpha),e.autoClear=t.autoClear,e.setScissorTest(t.scissorTest)}function uv(e,t={}){return t.background=e.background,t.backgroundNode=e.backgroundNode,t.overrideMaterial=e.overrideMaterial,t}function lv(e,t){return t=uv(e,t),e.background=null,e.backgroundNode=null,e.overrideMaterial=null,t}function dv(e,t){e.background=t.background,e.backgroundNode=t.backgroundNode,e.overrideMaterial=t.overrideMaterial}function cv(e,t,r){return r=lv(t,r=av(e,r))}function hv(e,t,r){ov(e,r),dv(t,r)}var pv=Object.freeze({__proto__:null,resetRendererAndSceneState:cv,resetRendererState:av,resetSceneState:lv,restoreRendererAndSceneState:hv,restoreRendererState:ov,restoreSceneState:dv,saveRendererAndSceneState:function(e,t,r={}){return r=uv(t,r=nv(e,r))},saveRendererState:nv,saveSceneState:uv});const gv=new WeakMap,mv=gn(({depthTexture:e,shadowCoord:t,depthLayer:r})=>{let s=ed(e,t.xy).setName("t_basic");return e.isArrayTexture&&(s=s.depth(r)),s.compare(t.z)}),fv=gn(({depthTexture:e,shadowCoord:t,shadow:r,depthLayer:s})=>{const i=(t,r)=>{let i=ed(e,t);return e.isArrayTexture&&(i=i.depth(s)),i.compare(r)},n=Qc("mapSize","vec2",r).setGroup(Ra),a=Qc("radius","float",r).setGroup(Ra),o=Sn(1).div(n),u=a.mul(o.x),l=zx(md.xy).mul(6.28318530718);return Ia(i(t.xy.add(Wx(0,5,l).mul(u)),t.z),i(t.xy.add(Wx(1,5,l).mul(u)),t.z),i(t.xy.add(Wx(2,5,l).mul(u)),t.z),i(t.xy.add(Wx(3,5,l).mul(u)),t.z),i(t.xy.add(Wx(4,5,l).mul(u)),t.z)).mul(.2)}),yv=gn(({depthTexture:e,shadowCoord:t,shadow:r,depthLayer:s})=>{const i=Qc("mapSize","vec2",r).setGroup(Ra),n=Sn(1).div(i),a=t.xy,o=Co(a.mul(i).add(.5)).toConst();a.subAssign(o.sub(.5).mul(n));const u=r=>{let i=ed(e,a).offset(r).gather();return e.isArrayTexture&&(i=i.depth(s)),i.compare(t.z)},l=u(Rn(-1,1)).toConst(),d=u(Rn(1,1)).toConst(),c=u(Rn(-1,-1)).toConst(),h=u(Rn(1,-1)).toConst();return Ia(yu(l.x,d.y,o.x).add(l.y).add(d.x).mul(o.y),yu(l.w,d.z,o.x).add(l.z).add(d.w),yu(c.x,h.y,o.x).add(c.y).add(h.x),yu(c.w,h.z,o.x).add(c.z).add(h.w).mul(o.y.oneMinus())).mul(1/9)}),bv=gn(({depthTexture:e,shadowCoord:t,depthLayer:r},s)=>{let i=ed(e).sample(t.xy);e.isArrayTexture&&(i=i.depth(r)),i=i.rg;const n=i.x,a=su(1e-7,i.y.mul(i.y)),o=s.renderer.reversedDepthBuffer?iu(n,t.z):iu(t.z,n),u=Tn(1).toVar();return yn(o.notEqual(1),()=>{const e=t.z.sub(n);let r=a.div(a.add(e.mul(e)));r=bu(Oa(r,.3).div(.65)),u.assign(su(o,r))}),u}),xv=e=>{let t=gv.get(e);return void 0===t&&(t=new Ug,t.colorNode=Ln(0,0,0,1),t.isShadowPassMaterial=!0,t.name="ShadowMaterial",t.blending=re,t.fog=!1,gv.set(e,t)),t},Tv=e=>{const t=gv.get(e);void 0!==t&&(t.dispose(),gv.delete(e))},_v=new Gy,vv=[],Nv=(e,t,r,s)=>{vv[0]=e,vv[1]=t;let i=_v.get(vv);return void 0!==i&&i.shadowType===r&&i.useVelocity===s||(i=(i,n,a,o,u,l,...d)=>{(!0===i.castShadow||i.receiveShadow&&r===pt)&&(s&&(Js(i).useVelocity=!0),i.onBeforeShadow(e,i,a,t.camera,o,n.overrideMaterial,l),e.renderObject(i,n,a,o,u,l,...d),i.onAfterShadow(e,i,a,t.camera,o,n.overrideMaterial,l))},i.shadowType=r,i.useVelocity=s,_v.set(vv,i)),vv[0]=null,vv[1]=null,i},Sv=gn(({samples:e,radius:t,size:r,shadowPass:s,depthLayer:i})=>{const n=Tn(0).toVar("meanVertical"),a=Tn(0).toVar("squareMeanVertical"),o=e.lessThanEqual(Tn(1)).select(Tn(0),Tn(2).div(e.sub(1))),u=e.lessThanEqual(Tn(1)).select(Tn(0),Tn(-1));Kp({start:_n(0),end:_n(e),type:"int",condition:"<"},({i:e})=>{const l=u.add(Tn(e).mul(o));let d=s.sample(Ia(md.xy,Sn(0,l).mul(t)).div(r));s.value.isArrayTexture&&(d=d.depth(i)),d=d.x,n.addAssign(d),a.addAssign(d.mul(d))}),n.divAssign(e),a.divAssign(e);const l=So(a.sub(n.mul(n)).max(0));return Sn(n,l)}),Rv=gn(({samples:e,radius:t,size:r,shadowPass:s,depthLayer:i})=>{const n=Tn(0).toVar("meanHorizontal"),a=Tn(0).toVar("squareMeanHorizontal"),o=e.lessThanEqual(Tn(1)).select(Tn(0),Tn(2).div(e.sub(1))),u=e.lessThanEqual(Tn(1)).select(Tn(0),Tn(-1));Kp({start:_n(0),end:_n(e),type:"int",condition:"<"},({i:e})=>{const l=u.add(Tn(e).mul(o));let d=s.sample(Ia(md.xy,Sn(l,0).mul(t)).div(r));s.value.isArrayTexture&&(d=d.depth(i)),n.addAssign(d.x),a.addAssign(Ia(d.y.mul(d.y),d.x.mul(d.x)))}),n.divAssign(e),a.divAssign(e);const l=So(a.sub(n.mul(n)).max(0));return Sn(n,l)}),Ev=[mv,fv,yv,bv];let wv;const Av=new Dx;class Cv extends sv{static get type(){return"ShadowNode"}constructor(e,t=null){super(e),this.shadow=t||e.shadow,this.shadowMap=null,this.vsmShadowMapVertical=null,this.vsmShadowMapHorizontal=null,this.vsmMaterialVertical=null,this.vsmMaterialHorizontal=null,this._node=null,this._currentShadowType=null,this._cameraFrameId=new WeakMap,this.isShadowNode=!0,this.depthLayer=0}setupShadowFilter(e,{filterFn:t,depthTexture:r,shadowCoord:s,shadow:i,depthLayer:n}){const a=s.x.greaterThanEqual(0).and(s.x.lessThanEqual(1)).and(s.y.greaterThanEqual(0)).and(s.y.lessThanEqual(1)).and(s.z.lessThanEqual(1)),o=t({depthTexture:r,shadowCoord:s,shadow:i,depthLayer:n});return a.select(o,Tn(1))}setupShadowCoord(e,t){const{shadow:r}=this,{renderer:s}=e,i=r.biasNode||Qc("bias","float",r).setGroup(Ra);let n,a=t;if(r.camera.isOrthographicCamera||!0!==s.logarithmicDepthBuffer)a=a.xyz.div(a.w),n=a.z;else{const e=a.w;a=a.xy.div(e);const t=Qc("near","float",r.camera).setGroup(Ra),s=Qc("far","float",r.camera).setGroup(Ra);n=Sg(e.negate(),t,s)}return a=An(a.x,a.y.oneMinus(),s.reversedDepthBuffer?n.sub(i):n.add(i)),a}getShadowFilterFn(e){return Ev[e]}setupRenderTarget(e,t){const r=new Z(e.mapSize.width,e.mapSize.height);r.name="ShadowDepthTexture",r.compareFunction=t.renderer.reversedDepthBuffer?M:A;const s=t.createRenderTarget(e.mapSize.width,e.mapSize.height);return s.texture.name="ShadowMap",s.texture.type=e.mapType,s.depthTexture=r,{shadowMap:s,depthTexture:r}}setupShadow(e){const{renderer:t,camera:r}=e,{light:s,shadow:i}=this,{depthTexture:n,shadowMap:a}=this.setupRenderTarget(i,e),o=t.shadowMap.type,u=t.hasCompatibility(E.TEXTURE_COMPARE);if(o!==ct&&o!==ht||!u?(n.minFilter=B,n.magFilter=B):(n.minFilter=le,n.magFilter=le),i.camera.coordinateSystem=r.coordinateSystem,i.camera.updateProjectionMatrix(),o===pt&&!0!==i.isPointLightShadow){n.compareFunction=null,a.depth>1?(a._vsmShadowMapVertical||(a._vsmShadowMapVertical=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:z,type:Te,depth:a.depth,depthBuffer:!1}),a._vsmShadowMapVertical.texture.name="VSMVertical"),this.vsmShadowMapVertical=a._vsmShadowMapVertical,a._vsmShadowMapHorizontal||(a._vsmShadowMapHorizontal=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:z,type:Te,depth:a.depth,depthBuffer:!1}),a._vsmShadowMapHorizontal.texture.name="VSMHorizontal"),this.vsmShadowMapHorizontal=a._vsmShadowMapHorizontal):(this.vsmShadowMapVertical=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:z,type:Te,depthBuffer:!1}),this.vsmShadowMapHorizontal=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:z,type:Te,depthBuffer:!1}));let t=ed(n);n.isArrayTexture&&(t=t.depth(this.depthLayer));let r=ed(this.vsmShadowMapVertical.texture);n.isArrayTexture&&(r=r.depth(this.depthLayer));const s=Qc("blurSamples","float",i).setGroup(Ra),o=Qc("radius","float",i).setGroup(Ra),u=Qc("mapSize","vec2",i).setGroup(Ra);let l=this.vsmMaterialVertical||(this.vsmMaterialVertical=new Ug);l.fragmentNode=Sv({samples:s,radius:o,size:u,shadowPass:t,depthLayer:this.depthLayer}).context(e.getSharedContext()),l.name="VSMVertical",l=this.vsmMaterialHorizontal||(this.vsmMaterialHorizontal=new Ug),l.fragmentNode=Rv({samples:s,radius:o,size:u,shadowPass:r,depthLayer:this.depthLayer}).context(e.getSharedContext()),l.name="VSMHorizontal"}const l=Qc("intensity","float",i).setGroup(Ra),d=Qc("normalBias","float",i).setGroup(Ra),c=W_(s),h=Mc.mul(d);let p;if(!t.highPrecision||e.material.receivedShadowPositionNode||e.context.shadowPositionWorld)p=c.mul(iv.add(h));else{p=Aa("mat4").onObjectUpdate(({object:e},t)=>t.value.multiplyMatrices(c.value,e.matrixWorld)).mul(gc).add(c.mul(Ln(h,0)))}const g=this.setupShadowCoord(e,p),m=i.filterNode||this.getShadowFilterFn(t.shadowMap.type)||null;if(null===m)throw new Error("THREE.WebGPURenderer: Shadow map type not supported yet.");const f=o===pt&&!0!==i.isPointLightShadow?this.vsmShadowMapHorizontal.texture:n,y=this.setupShadowFilter(e,{filterFn:m,shadowTexture:a.texture,depthTexture:f,shadowCoord:g,shadow:i,depthLayer:this.depthLayer});let b,x;!0===t.shadowMap.transmitted&&(a.texture.isCubeTexture?b=Xc(a.texture,g.xyz):(b=ed(a.texture,g),n.isArrayTexture&&(b=b.depth(this.depthLayer)))),x=b?yu(1,y.rgb.mix(b,1),l.mul(b.a)).toVar():yu(1,y,l).toVar(),this.shadowMap=a,this.shadow.map=a;const T=`${this.light.type} Shadow [ ${this.light.name||"ID: "+this.light.id} ]`;return b&&x.toInspector(`${T} / Color`,()=>this.shadowMap.texture.isCubeTexture?Xc(this.shadowMap.texture):ed(this.shadowMap.texture)),x.toInspector(`${T} / Depth`,()=>this.shadowMap.texture.isCubeTexture?Xc(this.shadowMap.texture).r.oneMinus():td(this.shadowMap.depthTexture,Hl().mul(ql(ed(this.shadowMap.depthTexture)))).r.oneMinus())}setup(e){if(!1!==e.renderer.shadowMap.enabled)return gn(()=>{const t=e.renderer.shadowMap.type;this._currentShadowType!==t&&(this._reset(),this._node=null);let r=this._node;return this.setupShadowPosition(e),null===r&&(this._node=r=this.setupShadow(e),this._currentShadowType=t),e.material.receivedShadowNode&&(r=e.material.receivedShadowNode(r)),r})()}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e;t.updateMatrices(s),r.setSize(t.mapSize.width,t.mapSize.height,r.depth);const a=n.name;n.name=`Shadow Map [ ${s.name||"ID: "+s.id} ]`,i.render(n,t.camera),n.name=a}updateShadow(e){const{shadowMap:t,light:r,shadow:s}=this,{renderer:i,scene:n,camera:a}=e,o=i.shadowMap.type,u=t.depthTexture.version;this._depthVersionCached=u;const l=s.camera.layers.mask;4294967294&s.camera.layers.mask||(s.camera.layers.mask=a.layers.mask);const d=i.getRenderObjectFunction(),c=i.getMRT(),h=!!c&&c.has("velocity");wv=cv(i,n,wv),n.overrideMaterial=xv(r),i.setRenderObjectFunction(Nv(i,s,o,h)),i.setClearColor(0,0),i.setRenderTarget(t),this.renderShadow(e),i.setRenderObjectFunction(d),o===pt&&!0!==s.isPointLightShadow&&this.vsmPass(i),s.camera.layers.mask=l,hv(i,n,wv)}vsmPass(e){const{shadow:t}=this,r=this.shadowMap.depth;this.vsmShadowMapVertical.setSize(t.mapSize.width,t.mapSize.height,r),this.vsmShadowMapHorizontal.setSize(t.mapSize.width,t.mapSize.height,r),e.setRenderTarget(this.vsmShadowMapVertical),Av.material=this.vsmMaterialVertical,Av.render(e),e.setRenderTarget(this.vsmShadowMapHorizontal),Av.material=this.vsmMaterialHorizontal,Av.render(e)}dispose(){this._reset(),super.dispose()}_reset(){this._currentShadowType=null,Tv(this.light),this.shadowMap&&(this.shadowMap.dispose(),this.shadowMap=null),null!==this.vsmShadowMapVertical&&(this.vsmShadowMapVertical.dispose(),this.vsmShadowMapVertical=null,this.vsmMaterialVertical.dispose(),this.vsmMaterialVertical=null),null!==this.vsmShadowMapHorizontal&&(this.vsmShadowMapHorizontal.dispose(),this.vsmShadowMapHorizontal=null,this.vsmMaterialHorizontal.dispose(),this.vsmMaterialHorizontal=null)}updateBefore(e){const{shadow:t}=this;let r=t.needsUpdate||t.autoUpdate;r&&(this._cameraFrameId[e.camera]===e.frameId&&(r=!1),this._cameraFrameId[e.camera]=e.frameId),r&&(this.updateShadow(e),this.shadowMap.depthTexture.version===this._depthVersionCached&&(t.needsUpdate=!1))}}const Mv=(e,t)=>new Cv(e,t),Bv=new e,Lv=new a,Fv=new r,Pv=new r,Uv=[new r(1,0,0),new r(-1,0,0),new r(0,-1,0),new r(0,1,0),new r(0,0,1),new r(0,0,-1)],Dv=[new r(0,-1,0),new r(0,-1,0),new r(0,0,-1),new r(0,0,1),new r(0,-1,0),new r(0,-1,0)],Iv=[new r(1,0,0),new r(-1,0,0),new r(0,1,0),new r(0,-1,0),new r(0,0,1),new r(0,0,-1)],Ov=[new r(0,-1,0),new r(0,-1,0),new r(0,0,1),new r(0,0,-1),new r(0,-1,0),new r(0,-1,0)],Vv=gn(({depthTexture:e,bd3D:t,dp:r})=>Xc(e,t).compare(r)),kv=gn(({depthTexture:e,bd3D:t,dp:r,shadow:s})=>{const i=Qc("radius","float",s).setGroup(Ra),n=Qc("mapSize","vec2",s).setGroup(Ra),a=i.div(n.x),o=$o(t),u=Ao(lu(t,o.x.greaterThan(o.z).select(An(0,1,0),An(1,0,0)))),l=lu(t,u),d=zx(md.xy).mul(6.28318530718),c=Wx(0,5,d),h=Wx(1,5,d),p=Wx(2,5,d),g=Wx(3,5,d),m=Wx(4,5,d);return Xc(e,t.add(u.mul(c.x).add(l.mul(c.y)).mul(a))).compare(r).add(Xc(e,t.add(u.mul(h.x).add(l.mul(h.y)).mul(a))).compare(r)).add(Xc(e,t.add(u.mul(p.x).add(l.mul(p.y)).mul(a))).compare(r)).add(Xc(e,t.add(u.mul(g.x).add(l.mul(g.y)).mul(a))).compare(r)).add(Xc(e,t.add(u.mul(m.x).add(l.mul(m.y)).mul(a))).compare(r)).mul(.2)}),Gv=gn(({filterFn:e,depthTexture:t,shadowCoord:r,shadow:s},i)=>{const n=r.xyz.toConst(),a=n.abs().toConst(),o=a.x.max(a.y).max(a.z),u=Aa("float").setGroup(Ra).onRenderUpdate(()=>s.camera.near),l=Aa("float").setGroup(Ra).onRenderUpdate(()=>s.camera.far),d=Qc("bias","float",s).setGroup(Ra),c=Tn(1).toVar();return yn(o.sub(l).lessThanEqual(0).and(o.sub(u).greaterThanEqual(0)),()=>{let r;i.renderer.reversedDepthBuffer?(r=vg(o.negate(),u,l),r.subAssign(d)):i.renderer.logarithmicDepthBuffer?(r=Sg(o.negate(),u,l),r.addAssign(d)):(r=_g(o.negate(),u,l),r.addAssign(d));const a=n.normalize();c.assign(e({depthTexture:t,bd3D:a,dp:r,shadow:s}))}),c});class $v extends Cv{static get type(){return"PointShadowNode"}constructor(e,t=null){super(e,t)}getShadowFilterFn(e){return e===gt?Vv:kv}setupShadowCoord(e,t){return t}setupShadowFilter(e,{filterFn:t,depthTexture:r,shadowCoord:s,shadow:i}){return Gv({filterFn:t,depthTexture:r,shadowCoord:s,shadow:i})}setupRenderTarget(e,t){const r=new mt(e.mapSize.width);r.name="PointShadowDepthTexture",r.compareFunction=t.renderer.reversedDepthBuffer?M:A;const s=t.createCubeRenderTarget(e.mapSize.width);return s.texture.name="PointShadowMap",s.depthTexture=r,{shadowMap:s,depthTexture:r}}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e,a=t.camera,o=t.matrix,u=i.coordinateSystem===h,l=u?Uv:Iv,d=u?Dv:Ov;r.setSize(t.mapSize.width,t.mapSize.width);const c=i.autoClear,p=i.getClearColor(Bv),g=i.getClearAlpha();i.autoClear=!1,i.setClearColor(t.clearColor,t.clearAlpha);for(let e=0;e<6;e++){i.setRenderTarget(r,e),i.clear();const u=s.distance||a.far;u!==a.far&&(a.far=u,a.updateProjectionMatrix()),Fv.setFromMatrixPosition(s.matrixWorld),a.position.copy(Fv),Pv.copy(a.position),Pv.add(l[e]),a.up.copy(d[e]),a.lookAt(Pv),a.updateMatrixWorld(),o.makeTranslation(-Fv.x,-Fv.y,-Fv.z),Lv.multiplyMatrices(a.projectionMatrix,a.matrixWorldInverse),t._frustum.setFromProjectionMatrix(Lv,a.coordinateSystem,a.reversedDepth);const c=n.name;n.name=`Point Light Shadow [ ${s.name||"ID: "+s.id} ] - Face ${e+1}`,i.render(n,a),n.name=c}i.autoClear=c,i.setClearColor(p,g)}}const zv=(e,t)=>new $v(e,t);class Wv extends ig{static get type(){return"AnalyticLightNode"}constructor(t=null){super(),this.light=t,this.color=new e,this.colorNode=t&&t.colorNode||Aa(this.color).setGroup(Ra),this.baseColorNode=null,this.shadowNode=null,this.shadowColorNode=null,this.isAnalyticLightNode=!0,this.updateType=ii.FRAME,t&&t.shadow&&(this._shadowDisposeListener=()=>{this.disposeShadow()},t.addEventListener("dispose",this._shadowDisposeListener))}dispose(){this._shadowDisposeListener&&this.light.removeEventListener("dispose",this._shadowDisposeListener),super.dispose()}disposeShadow(){null!==this.shadowNode&&(this.shadowNode.dispose(),this.shadowNode=null),this.shadowColorNode=null,null!==this.baseColorNode&&(this.colorNode=this.baseColorNode,this.baseColorNode=null)}getHash(){return this.light.uuid}getLightVector(e){return X_(this.light).sub(e.context.positionView||bc)}setupDirect(){}setupDirectRectArea(){}setupShadowNode(){return Mv(this.light)}setupShadow(e){const{renderer:t}=e;if(!1===t.shadowMap.enabled)return;let r=this.shadowColorNode;if(null===r){const e=this.light.shadow.shadowNode;let t;t=void 0!==e?sn(e):this.setupShadowNode(),this.shadowNode=t,this.shadowColorNode=r=this.colorNode.mul(t),this.baseColorNode=this.colorNode}e.context.getShadow&&(r=e.context.getShadow(this,e)),this.colorNode=r}setup(e){this.colorNode=this.baseColorNode||this.colorNode,this.light.castShadow?e.object.receiveShadow&&this.setupShadow(e):null!==this.shadowNode&&(this.shadowNode.dispose(),this.shadowNode=null,this.shadowColorNode=null);const t=this.setupDirect(e),r=this.setupDirectRectArea(e);t&&e.lightsNode.setupDirectLight(e,this,t),r&&e.lightsNode.setupDirectRectAreaLight(e,this,r)}update(){const{light:e}=this;this.color.copy(e.color).multiplyScalar(e.intensity)}}const Hv=gn(({lightDistance:e,cutoffDistance:t,decayExponent:r})=>{const s=e.pow(r).max(.01).reciprocal();return t.greaterThan(0).select(s.mul(e.div(t).pow4().oneMinus().clamp().pow2()),s)}),jv=({color:e,lightVector:t,cutoffDistance:r,decayExponent:s})=>{const i=t.normalize(),n=t.length(),a=Hv({lightDistance:n,cutoffDistance:r,decayExponent:s});return{lightDirection:i,lightColor:e.mul(a)}};class qv extends Wv{static get type(){return"PointLightNode"}constructor(e=null){super(e),this.cutoffDistanceNode=Aa(0).setGroup(Ra),this.decayExponentNode=Aa(2).setGroup(Ra)}update(e){const{light:t}=this;super.update(e),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}setupShadowNode(){return zv(this.light)}setupDirect(e){return jv({color:this.colorNode,lightVector:this.getLightVector(e),cutoffDistance:this.cutoffDistanceNode,decayExponent:this.decayExponentNode})}}const Xv=gn(([e=Hl()])=>{const t=e.mul(2),r=t.x.floor(),s=t.y.floor();return r.add(s).mod(2).sign()}),Yv=gn(([e=Hl()],{renderer:t,material:r})=>{const s=fu(e.mul(2).sub(1));let i;if(r.alphaToCoverage&&t.currentSamples>0){const e=Tn(s.fwidth()).toVar();i=_u(e.oneMinus(),e.add(1),s).oneMinus()}else i=Mu(s.greaterThan(1),0,1);return i}),Kv=gn(([e,t,r])=>{const s=Tn(r).toVar(),i=Tn(t).toVar(),n=Nn(e).toVar();return Mu(n,i,s).uniformFlow()}).setLayout({name:"mx_select",type:"float",inputs:[{name:"b",type:"bool"},{name:"t",type:"float"},{name:"f",type:"float"}]}),Qv=gn(([e,t])=>{const r=Nn(t).toVar(),s=Tn(e).toVar();return Mu(r,s.negate(),s).uniformFlow()}).setLayout({name:"mx_negate_if",type:"float",inputs:[{name:"val",type:"float"},{name:"b",type:"bool"}]}),Zv=gn(([e])=>{const t=Tn(e).toVar();return _n(Eo(t))}).setLayout({name:"mx_floor",type:"int",inputs:[{name:"x",type:"float"}]}),Jv=gn(([e,t])=>{const r=Tn(e).toVar();return t.assign(Zv(r)),r.sub(Tn(t))}),eN=ox([gn(([e,t,r,s,i,n])=>{const a=Tn(n).toVar(),o=Tn(i).toVar(),u=Tn(s).toVar(),l=Tn(r).toVar(),d=Tn(t).toVar(),c=Tn(e).toVar(),h=Tn(Oa(1,o)).toVar();return Oa(1,a).mul(c.mul(h).add(d.mul(o))).add(a.mul(l.mul(h).add(u.mul(o))))}).setLayout({name:"mx_bilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"}]}),gn(([e,t,r,s,i,n])=>{const a=Tn(n).toVar(),o=Tn(i).toVar(),u=An(s).toVar(),l=An(r).toVar(),d=An(t).toVar(),c=An(e).toVar(),h=Tn(Oa(1,o)).toVar();return Oa(1,a).mul(c.mul(h).add(d.mul(o))).add(a.mul(l.mul(h).add(u.mul(o))))}).setLayout({name:"mx_bilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"}]})]),tN=ox([gn(([e,t,r,s,i,n,a,o,u,l,d])=>{const c=Tn(d).toVar(),h=Tn(l).toVar(),p=Tn(u).toVar(),g=Tn(o).toVar(),m=Tn(a).toVar(),f=Tn(n).toVar(),y=Tn(i).toVar(),b=Tn(s).toVar(),x=Tn(r).toVar(),T=Tn(t).toVar(),_=Tn(e).toVar(),v=Tn(Oa(1,p)).toVar(),N=Tn(Oa(1,h)).toVar();return Tn(Oa(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(x.mul(v).add(b.mul(p))))).add(c.mul(N.mul(y.mul(v).add(f.mul(p))).add(h.mul(m.mul(v).add(g.mul(p))))))}).setLayout({name:"mx_trilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"v4",type:"float"},{name:"v5",type:"float"},{name:"v6",type:"float"},{name:"v7",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]}),gn(([e,t,r,s,i,n,a,o,u,l,d])=>{const c=Tn(d).toVar(),h=Tn(l).toVar(),p=Tn(u).toVar(),g=An(o).toVar(),m=An(a).toVar(),f=An(n).toVar(),y=An(i).toVar(),b=An(s).toVar(),x=An(r).toVar(),T=An(t).toVar(),_=An(e).toVar(),v=Tn(Oa(1,p)).toVar(),N=Tn(Oa(1,h)).toVar();return Tn(Oa(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(x.mul(v).add(b.mul(p))))).add(c.mul(N.mul(y.mul(v).add(f.mul(p))).add(h.mul(m.mul(v).add(g.mul(p))))))}).setLayout({name:"mx_trilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"v4",type:"vec3"},{name:"v5",type:"vec3"},{name:"v6",type:"vec3"},{name:"v7",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]})]),rN=gn(([e,t,r])=>{const s=Tn(r).toVar(),i=Tn(t).toVar(),n=vn(e).toVar(),a=vn(n.bitAnd(vn(7))).toVar(),o=Tn(Kv(a.lessThan(vn(4)),i,s)).toVar(),u=Tn(Va(2,Kv(a.lessThan(vn(4)),s,i))).toVar();return Qv(o,Nn(a.bitAnd(vn(1)))).add(Qv(u,Nn(a.bitAnd(vn(2)))))}).setLayout({name:"mx_gradient_float_0",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"}]}),sN=gn(([e,t,r,s])=>{const i=Tn(s).toVar(),n=Tn(r).toVar(),a=Tn(t).toVar(),o=vn(e).toVar(),u=vn(o.bitAnd(vn(15))).toVar(),l=Tn(Kv(u.lessThan(vn(8)),a,n)).toVar(),d=Tn(Kv(u.lessThan(vn(4)),n,Kv(u.equal(vn(12)).or(u.equal(vn(14))),a,i))).toVar();return Qv(l,Nn(u.bitAnd(vn(1)))).add(Qv(d,Nn(u.bitAnd(vn(2)))))}).setLayout({name:"mx_gradient_float_1",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),iN=ox([rN,sN]),nN=gn(([e,t,r])=>{const s=Tn(r).toVar(),i=Tn(t).toVar(),n=Mn(e).toVar();return An(iN(n.x,i,s),iN(n.y,i,s),iN(n.z,i,s))}).setLayout({name:"mx_gradient_vec3_0",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"}]}),aN=gn(([e,t,r,s])=>{const i=Tn(s).toVar(),n=Tn(r).toVar(),a=Tn(t).toVar(),o=Mn(e).toVar();return An(iN(o.x,a,n,i),iN(o.y,a,n,i),iN(o.z,a,n,i))}).setLayout({name:"mx_gradient_vec3_1",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),oN=ox([nN,aN]),uN=gn(([e])=>{const t=Tn(e).toVar();return Va(.6616,t)}).setLayout({name:"mx_gradient_scale2d_0",type:"float",inputs:[{name:"v",type:"float"}]}),lN=gn(([e])=>{const t=Tn(e).toVar();return Va(.982,t)}).setLayout({name:"mx_gradient_scale3d_0",type:"float",inputs:[{name:"v",type:"float"}]}),dN=ox([uN,gn(([e])=>{const t=An(e).toVar();return Va(.6616,t)}).setLayout({name:"mx_gradient_scale2d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),cN=ox([lN,gn(([e])=>{const t=An(e).toVar();return Va(.982,t)}).setLayout({name:"mx_gradient_scale3d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),hN=gn(([e,t])=>{const r=_n(t).toVar(),s=vn(e).toVar();return s.shiftLeft(r).bitOr(s.shiftRight(_n(32).sub(r)))}).setLayout({name:"mx_rotl32",type:"uint",inputs:[{name:"x",type:"uint"},{name:"k",type:"int"}]}),pN=gn(([e,t,r])=>{e.subAssign(r),e.bitXorAssign(hN(r,_n(4))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(hN(e,_n(6))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(hN(t,_n(8))),t.addAssign(e),e.subAssign(r),e.bitXorAssign(hN(r,_n(16))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(hN(e,_n(19))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(hN(t,_n(4))),t.addAssign(e)}),gN=gn(([e,t,r])=>{const s=vn(r).toVar(),i=vn(t).toVar(),n=vn(e).toVar();return 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s;return!0===e.isStorageTextureNode?s=e.store(t,r):(s=tT(e,t,r),null!==r&&s.toStack()),s},thickness:fa,time:ux,toneMapping:nl,toneMappingExposure:al,toonOutlinePass:(t,r,s=new e(0,0,0),i=.003,n=1)=>new LT(t,r,sn(s),sn(i),sn(n)),transformDirection:gu,transformNormal:Lc,transformNormalToView:Fc,transformedClearcoatNormalView:Dc,transformedNormalView:Pc,transformedNormalWorld:Uc,transmission:ma,transpose:Jo,triNoise3D:ix,triplanarTexture:(...e)=>fx(...e),triplanarTextures:fx,trunc:Qo,uint:vn,uintBitsToFloat:e=>new Ob(e,"float","uint"),uniform:Aa,uniformArray:ad,uniformCubeTexture:(e=Hc)=>qc(e),uniformFlow:Fu,uniformGroup:va,uniformTexture:(e=Ql)=>ed(e),unpackHalf2x16:tx,unpackNormal:Ch,unpackRGBToNormal:Ah,unpackSnorm2x16:Jb,unpackUnorm2x16:ex,unpremultiplyAlpha:Ul,userData:(e,t,r)=>new 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s=this.renderer,i=this.nodes.getBackgroundNode(e)||e.background;let n=!1;if(null===i)s._clearColor.getRGB(HN),HN.a=s._clearColor.a;else if(!0===i.isColor)i.getRGB(HN),HN.a=1,n=!0;else if(!0===i.isNode){const u=this.get(e),l=i;HN.copy(s._clearColor);let d=u.backgroundMesh;if(void 0===d){const h=Ln(l).mul(Zx).context({getUV:()=>Jx.mul(Ac),getTextureLevel:()=>Qx}),p=Od.element(3).element(3).equal(1),g=ka(1,Od.element(1).element(1)).mul(3),m=p.select(gc.mul(g),gc),f=uc.mul(Ln(m,0));let y=Od.mul(Ln(f.xyz,1));y=y.setZ(y.w);const b=new Ug;function x(){i.removeEventListener("dispose",x),d.material.dispose(),d.geometry.dispose()}b.name="Background.material",b.side=F,b.depthTest=!1,b.depthWrite=!1,b.allowOverride=!1,b.fog=!1,b.lights=!1,b.vertexNode=y,b.colorNode=h,u.backgroundMeshNode=h,u.backgroundMesh=d=new oe(new ft(1,32,32),b),d.frustumCulled=!1,d.name="Background.mesh",i.addEventListener("dispose",x)}const c=l.getCacheKey();u.backgroundCacheKey!==c&&(u.backgroundMeshNode.node=Ln(l).mul(Zx),u.backgroundMeshNode.needsUpdate=!0,d.material.needsUpdate=!0,u.backgroundCacheKey=c),t.unshift(d,d.geometry,d.material,0,0,null,null)}else o("Renderer: Unsupported background configuration.",i);const a=s.xr.getEnvironmentBlendMode();if("additive"===a?HN.set(0,0,0,1):"alpha-blend"===a&&HN.set(0,0,0,0),!0===s.autoClear||!0===n){const T=r.clearColorValue;T.r=HN.r,T.g=HN.g,T.b=HN.b,T.a=HN.a,!0!==s.backend.isWebGLBackend&&!0!==s.alpha||(T.r*=T.a,T.g*=T.a,T.b*=T.a),r.depthClearValue=s.getClearDepth(),r.stencilClearValue=s.getClearStencil(),r.clearColor=!0===s.autoClearColor,r.clearDepth=!0===s.autoClearDepth,r.clearStencil=!0===s.autoClearStencil}else r.clearColor=!1,r.clearDepth=!1,r.clearStencil=!1}}let qN=0;class XN{constructor(e="",t=[]){this.name=e,this.bindings=t,this.id=qN++}}class YN{constructor(e,t,r,s,i,n,a,o,u,l,d=[]){this.vertexShader=e,this.fragmentShader=t,this.computeShader=r,this.transforms=d,this.nodeAttributes=s,this.bindings=i,this.updateNodes=n,this.updateBeforeNodes=a,this.updateAfterNodes=o,this.observer=u,this.hardwareClipping=l,this.usedTimes=0}createBindings(){const e=[];for(const t of this.bindings){if(!0!==t.bindings[0].groupNode.shared){const r=new XN(t.name,[]);e.push(r);for(const e of t.bindings)r.bindings.push(e.clone())}else e.push(t)}return e}}class KN{constructor(e,t,r=null){this.isNodeAttribute=!0,this.name=e,this.type=t,this.node=r}}class QN{constructor(e,t,r){this.isNodeUniform=!0,this.name=e,this.type=t,this.node=r}get value(){return this.node.value}set value(e){this.node.value=e}get id(){return this.node.id}get groupNode(){return this.node.groupNode}}class ZN{constructor(e,t,r=!1,s=null){this.isNodeVar=!0,this.name=e,this.type=t,this.readOnly=r,this.count=s}}class JN extends 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Map([[Int8Array,"int"],[Int16Array,"int"],[Int32Array,"int"],[Uint8Array,"uint"],[Uint16Array,"uint"],[Uint32Array,"uint"],[Float32Array,"float"]]),ES=e=>/e/g.test(e)?String(e).replace(/\+/g,""):(e=Number(e))+(e%1?"":".0"),wS=e=>{if(e.writeUsageCount>0)return!0;if(void 0!==e.subBuildsCache)for(const t in e.subBuildsCache)if(wS(e.subBuildsCache[t]))return!0;return!1};class AS{constructor(e,t,r){this.object=e,this.material=e&&e.material||null,this.geometry=e&&e.geometry||null,this.renderer=t,this.parser=r,this.scene=null,this.camera=null,this.nodes=new Set,this.sequentialNodes=new Set,this.updateNodes=[],this.updateBeforeNodes=[],this.updateAfterNodes=[],this.hashNodes={},this.observer=null,this.lightsNode=null,this.environmentNode=null,this.fogNode=null,this.clippingContext=null,this.hardwareClipping=!1,this.vertexShader=null,this.fragmentShader=null,this.computeShader=null,this.flowNodes={vertex:[],fragment:[],compute:[]},this.flowCode={vertex:"",fragment:"",compute:""},this.uniforms={vertex:[],fragment:[],compute:[],index:0},this.structs={vertex:[],fragment:[],compute:[],index:0},this.types={vertex:[],fragment:[],compute:[],index:0},this.bindings={vertex:{},fragment:{},compute:{}},this.bindingsIndexes={},this.bindGroups=null,this.attributes=[],this.bufferAttributes=[],this.varyings=[],this.codes={},this.vars={},this.declarations={},this.flow={code:""},this.chaining=[],this.stack=wb(),this.stacks=[],this.tab="\t",this.currentFunctionNode=null,this.context={material:this.material},this.cache=new rS,this.globalCache=this.cache,this.flowsData=new WeakMap,this.shaderStage=null,this.buildStage=null,this.subBuildLayers=[],this.activeStacks=[],this.subBuildFn=null,this.fnCall=null,Object.defineProperty(this,"id",{value:_S++})}isFlatShading(){return!0===this.material.flatShading||!1===this.geometry.hasAttribute("normal")}isOpaque(){const e=this.material;return!1===e.transparent&&e.blending===tt&&!1===e.alphaToCoverage}createRenderTarget(e,t,r){return new ne(e,t,r)}createCubeRenderTarget(e,t){return new Jg(e,t)}includes(e){return this.nodes.has(e)}getOutputType(e=0){let t="vec4";const r=this.renderer.getRenderTarget();if(null!==r){const s=r.textures[e].type,i=r.textures[e].format;let n="vec";s===R?n="ivec":s===S&&(n="uvec"),t=i===ze||i===We?s===R?"int":s===S?"uint":"float":i===z||i===qe?`${n}2`:i===Xe||i===Ye?`${n}3`:`${n}4`}return t}getOutputStructName(){}_getBindGroup(e,t){const r=t[0].groupNode;let s,i=r.shared;if(i)for(let e=1;e<t.length;e++)r!==t[e].groupNode&&(i=!1);if(i){let r="";for(const e of t)if(e.isNodeUniformsGroup){e.uniforms.sort((e,t)=>e.nodeUniform.node.id-t.nodeUniform.node.id);for(const t of e.uniforms)r+=t.nodeUniform.node.id}else r+=e.nodeUniform.id;const i=this.renderer._currentRenderContext||this.renderer;let n=vS.get(i);void 0===n&&(n=new Map,vS.set(i,n));const a=Gs(r);s=n.get(a),void 0===s&&(s=new XN(e,t),n.set(a,s))}else s=new XN(e,t);return s}getBindGroupArray(e,t){const r=this.bindings[t];let s=r[e];return void 0===s&&(void 0===this.bindingsIndexes[e]&&(this.bindingsIndexes[e]={binding:0,group:Object.keys(this.bindingsIndexes).length}),r[e]=s=[]),s}getBindings(){let e=this.bindGroups;if(null===e){const t={},r=this.bindings;for(const e of li)for(const s in r[e]){const i=r[e][s],n=t[s]||(t[s]=[]);for(const e of i)!1===n.includes(e)&&n.push(e)}e=[];for(const r in t){const s=t[r],i=this._getBindGroup(r,s);e.push(i)}this.bindGroups=e}return e}sortBindingGroups(){const e=this.getBindings();e.sort((e,t)=>e.bindings[0].groupNode.order-t.bindings[0].groupNode.order);for(let t=0;t<e.length;t++){const r=e[t];this.bindingsIndexes[r.name].group=t}}setHashNode(e,t){this.hashNodes[t]=e}addNode(e){!1===this.nodes.has(e)&&(this.nodes.add(e),this.setHashNode(e,e.getHash(this)))}addSequentialNode(e){const t=e.getUpdateBeforeType(),r=e.getUpdateAfterType();t===ii.NONE&&r===ii.NONE||this.sequentialNodes.add(e)}buildUpdateNodes(){for(const e of this.nodes){e.getUpdateType()!==ii.NONE&&this.updateNodes.push(e)}for(const e of this.sequentialNodes){const t=e.getUpdateBeforeType(),r=e.getUpdateAfterType();t!==ii.NONE&&this.updateBeforeNodes.push(e),r!==ii.NONE&&this.updateAfterNodes.push(e)}}get currentNode(){return this.chaining[this.chaining.length-1]}isFilteredTexture(e){return e.magFilter===le||e.magFilter===yt||e.magFilter===bt||e.magFilter===Q||e.minFilter===le||e.minFilter===yt||e.minFilter===bt||e.minFilter===Q}getUniformBufferLimit(){return this.renderer.backend.capabilities.getUniformBufferLimit()}addChain(e){this.chaining.push(e)}removeChain(e){if(this.chaining.pop()!==e)throw new Error("THREE.NodeBuilder: Invalid node chaining!")}getMethod(e){return e}getTernary(){return null}getNodeFromHash(e){return this.hashNodes[e]}addFlow(e,t){return this.flowNodes[e].push(t),t}setContext(e){this.context=e}getContext(){return this.context}addContext(e){const t=this.getContext();return this.setContext({...this.context,...e}),t}getSharedContext(){const e={...this.context};return delete e.material,delete e.getUV,delete e.getOutput,delete e.getTextureLevel,delete e.getAO,delete e.getShadow,e}setCache(e){this.cache=e}getCache(){return this.cache}getCacheFromNode(e,t=!0){const r=this.getDataFromNode(e);return void 0===r.cache&&(r.cache=new rS(t?this.getCache():null)),r.cache}isAvailable(){return!1}getVertexIndex(){d("Abstract function.")}getInstanceIndex(){d("Abstract function.")}getDrawIndex(){d("Abstract function.")}getFrontFacing(){d("Abstract function.")}getFragCoord(){d("Abstract function.")}isFlipY(){return!1}isContextAssign(){return!0===this.context.assign}increaseUsage(e){const t=this.getDataFromNode(e);return t.usageCount=void 0===t.usageCount?1:t.usageCount+1,this.isContextAssign()?t.writeUsageCount=void 0===t.writeUsageCount?1:t.writeUsageCount+1:t.readUsageCount=void 0===t.readUsageCount?1:t.readUsageCount+1,t.usageCount}hasWriteUsage(e){const t=e.getShared(this),r=(t.isGlobal(this)?this.globalCache:this.cache).getData(t);if(void 0!==r)for(const e in r)if(wS(r[e]))return!0;return!1}generateTexture(){d("Abstract function.")}generateTextureLod(){d("Abstract function.")}generateArrayDeclaration(e,t){return this.getType(e)+"[ "+t+" ]"}generateArray(e,t,r=null){let s=this.generateArrayDeclaration(e,t)+"( ";for(let i=0;i<t;i++){const n=r?r[i]:null;s+=null!==n?n.build(this,e):this.generateConst(e),i<t-1&&(s+=", ")}return s+=" )",s}generateStruct(e,t,r=null){const s=[];for(const e of t){const{name:t,type:i}=e;r&&r[t]&&r[t].isNode?s.push(r[t].build(this,i)):s.push(this.generateConst(i))}return e+"( "+s.join(", ")+" )"}generateConst(i,n=null){if(null===n&&("float"===i||"int"===i||"uint"===i?n=0:"bool"===i?n=!1:"color"===i?n=new e:"vec2"===i||"uvec2"===i||"ivec2"===i?n=new t:"vec3"===i||"uvec3"===i||"ivec3"===i?n=new r:"vec4"!==i&&"uvec4"!==i&&"ivec4"!==i||(n=new s)),"float"===i)return ES(n);if("int"===i)return`${Math.round(n)}`;if("uint"===i)return n>=0?`${Math.round(n)}u`:"0u";if("bool"===i)return n?"true":"false";if("color"===i)return`${this.getType("vec3")}( ${ES(n.r)}, ${ES(n.g)}, ${ES(n.b)} )`;const a=this.getTypeLength(i),o=this.getComponentType(i),u=e=>this.generateConst(o,e);if(2===a)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)} )`;if(3===a)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)}, ${u(n.z)} )`;if(4===a&&"mat2"!==i)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)}, ${u(n.z)}, ${u(n.w)} )`;if(a>=4&&n&&(n.isMatrix2||n.isMatrix3||n.isMatrix4))return`${this.getType(i)}( ${n.elements.map(u).join(", ")} )`;if(a>4)return`${this.getType(i)}()`;throw new Error(`THREE.NodeBuilder: Type '${i}' not found in generate constant attempt.`)}getType(e){return"color"===e?"vec3":e}hasGeometryAttribute(e){return this.geometry&&void 0!==this.geometry.getAttribute(e)}getAttribute(e,t){const r=this.attributes;for(const t of r)if(t.name===e)return t;const s=new KN(e,t);return this.registerDeclaration(s),r.push(s),s}getPropertyName(e){return e.name}isVector(e){return/vec\d/.test(e)}isMatrix(e){return/mat\d/.test(e)}isReference(e){return"void"===e||"property"===e||"sampler"===e||"samplerComparison"===e||"texture"===e||"cubeTexture"===e||"storageTexture"===e||"depthTexture"===e||"texture3D"===e}needsToWorkingColorSpace(){return!1}getComponentTypeFromTexture(e){const t=e.type;return!0===e.isDepthTexture?"float":t===R?"int":t===S?"uint":"float"}getElementType(e){return"mat2"===e?"vec2":"mat3"===e?"vec3":"mat4"===e?"vec4":this.getComponentType(e)}getComponentType(e){if("float"===(e=this.getVectorType(e))||"bool"===e||"int"===e||"uint"===e)return e;const t=/(b|i|u|)(vec|mat)([2-4])/.exec(e);return null===t?null:"b"===t[1]?"bool":"i"===t[1]?"int":"u"===t[1]?"uint":"float"}getVectorType(e){return"color"===e?"vec3":"texture"===e||"cubeTexture"===e||"storageTexture"===e||"texture3D"===e?"vec4":e}getTypeFromLength(e,t="float"){if(1===e)return t;let r=js(e);const s="float"===t?"":t[0];return!0===/mat2/.test(t)&&(r=r.replace("vec","mat")),s+r}getTypeFromArray(e){return RS.get(e.constructor)}isInteger(e){return/int|uint|(i|u)vec/.test(e)}getTypeFromAttribute(e){let t=e;e.isInterleavedBufferAttribute&&(t=e.data);const r=t.array,s=e.itemSize,i=e.normalized;let n;return e instanceof xt||!0===i||(n=this.getTypeFromArray(r)),this.getTypeFromLength(s,n)}getTypeLength(e){const t=this.getVectorType(e),r=/vec([2-4])/.exec(t);return null!==r?Number(r[1]):"float"===t||"bool"===t||"int"===t||"uint"===t?1:!0===/mat2/.test(e)?4:!0===/mat3/.test(e)?9:!0===/mat4/.test(e)?16:0}getVectorFromMatrix(e){return e.replace("mat","vec")}changeComponentType(e,t){return this.getTypeFromLength(this.getTypeLength(e),t)}getIntegerType(e){const t=this.getComponentType(e);return"int"===t||"uint"===t?e:this.changeComponentType(e,"int")}setActiveStack(e){this.activeStacks.push(e)}removeActiveStack(e){if(this.activeStacks[this.activeStacks.length-1]!==e)throw new Error("THREE.NodeBuilder: Invalid active stack removal.");this.activeStacks.pop()}getActiveStack(){return this.activeStacks[this.activeStacks.length-1]}getBaseStack(){return this.activeStacks[0]}addStack(){this.stack=wb(this.stack);const e=fn();return this.stacks.push(e),mn(this.stack),this.stack}removeStack(){const e=this.stack;for(const t of e.nodes){this.getDataFromNode(t).stack=e}return this.stack=e.parent,mn(this.stacks.pop()),e}getDataFromNode(e,t=this.shaderStage,r=null){let s=(r=null===r?e.isGlobal(this)?this.globalCache:this.cache:r).getData(e);void 0===s&&(s={},r.setData(e,s)),void 0===s[t]&&(s[t]={});let i=s[t];if(0===this.subBuildLayers.length)return i;const n=s.any?s.any.subBuilds:null,a=this.getClosestSubBuild(n);return a&&(void 0===i.subBuildsCache&&(i.subBuildsCache={}),i=i.subBuildsCache[a]||(i.subBuildsCache[a]={}),i.subBuilds=n),i}getNodeProperties(e,t="any"){const r=this.getDataFromNode(e,t);return r.properties||(r.properties={outputNode:null})}getBufferAttributeFromNode(e,t,r=null){const s=this.getDataFromNode(e,"vertex");let i=s.bufferAttribute;if(void 0===i){const n=this.uniforms.index++;null===r&&(r="nodeAttribute"+n),i=new KN(r,t,e),this.bufferAttributes.push(i),s.bufferAttribute=i}return i}getStructTypeNode(e,t=this.shaderStage){return this.types[t][e]||null}getStructTypeFromNode(e,t,r=null,s=this.shaderStage){const i=this.getDataFromNode(e,s,this.globalCache);let n=i.structType;if(void 0===n){const a=this.structs.index++;null===r&&(r="StructType"+a),n=new sS(r,t),this.structs[s].push(n),this.types[s][r]=e,i.structType=n}return n}getOutputStructTypeFromNode(e,t){const r=this.getStructTypeFromNode(e,t,"OutputType","fragment");return r.output=!0,r}getUniformFromNode(e,t,r=this.shaderStage,s=null){const i=this.getDataFromNode(e,r,this.globalCache);let n=i.uniform;if(void 0===n){const a=this.uniforms.index++;n=new QN(s||"nodeUniform"+a,t,e),this.uniforms[r].push(n),this.registerDeclaration(n),i.uniform=n}return n}getVarFromNode(e,t=null,r=e.getNodeType(this),s=this.shaderStage,i=!1){const n=this.getDataFromNode(e,s),a=this.getSubBuildProperty("variable",n.subBuilds);let o=n[a];if(void 0===o){const u=i?"_const":"_var",l=this.vars[s]||(this.vars[s]=[]),d=this.vars[u]||(this.vars[u]=0);null===t&&(t=(i?"nodeConst":"nodeVar")+d,this.vars[u]++),"variable"!==a&&(t=this.getSubBuildProperty(t,n.subBuilds));const c=e.getArrayCount(this);o=new ZN(t,r,i,c),i||l.push(o),this.registerDeclaration(o),n[a]=o}return o}isDeterministic(e){if(e.isMathNode)return this.isDeterministic(e.aNode)&&(!e.bNode||this.isDeterministic(e.bNode))&&(!e.cNode||this.isDeterministic(e.cNode));if(e.isOperatorNode)return this.isDeterministic(e.aNode)&&(!e.bNode||this.isDeterministic(e.bNode));if(e.isArrayNode){if(null!==e.values)for(const t of e.values)if(!this.isDeterministic(t))return!1;return!0}return!!e.isConstNode}getVaryingFromNode(e,t=null,r=e.getNodeType(this),s=null,i=null){const n=this.getDataFromNode(e,"any"),a=this.getSubBuildProperty("varying",n.subBuilds);let o=n[a];if(void 0===o){const e=this.varyings,u=e.length;null===t&&(t="nodeVarying"+u),"varying"!==a&&(t=this.getSubBuildProperty(t,n.subBuilds)),o=new JN(t,r,s,i),e.push(o),this.registerDeclaration(o),n[a]=o}return o}registerDeclaration(e){const t=this.shaderStage,r=this.declarations[t]||(this.declarations[t]={}),s=this.getPropertyName(e);let i=1,n=s;for(;void 0!==r[n];)n=s+"_"+i++;i>1&&(e.name=n,d(`TSL: Declaration name '${s}' of '${e.type}' already in use. Renamed to '${n}'.`)),r[n]=e}getCodeFromNode(e,t,r=this.shaderStage){const s=this.getDataFromNode(e);let i=s.code;if(void 0===i){const e=this.codes[r]||(this.codes[r]=[]),n=e.length;i=new eS("nodeCode"+n,t),e.push(i),s.code=i}return i}addFlowCodeHierarchy(e,t){const{flowCodes:r,flowCodeBlock:s}=this.getDataFromNode(e);let i=!0,n=t;for(;n;){if(!0===s.get(n)){i=!1;break}n=this.getDataFromNode(n).parentNodeBlock}if(i)for(const e of r)this.addLineFlowCode(e)}addLineFlowCodeBlock(e,t,r){const s=this.getDataFromNode(e),i=s.flowCodes||(s.flowCodes=[]),n=s.flowCodeBlock||(s.flowCodeBlock=new WeakMap);i.push(t),n.set(r,!0)}addLineFlowCode(e,t=null){return""===e||(null!==t&&this.context.nodeBlock&&this.addLineFlowCodeBlock(t,e,this.context.nodeBlock),e=this.tab+e,/;\s*$/.test(e)||(e+=";\n"),this.flow.code+=e),this}addFlowCode(e){return this.flow.code+=e,this}addFlowTab(){return this.tab+="\t",this}removeFlowTab(){return this.tab=this.tab.slice(0,-1),this}getFlowData(e){return this.flowsData.get(e)}flowNode(e){const t=e.getNodeType(this),r=this.flowChildNode(e,t);return this.flowsData.set(e,r),r}addInclude(e){null!==this.currentFunctionNode&&this.currentFunctionNode.includes.push(e)}buildFunctionNode(e){const t=this.renderer.backend;let r=NS.get(t);void 0===r&&(r=new WeakMap,NS.set(t,r));let s=r.get(e);if(void 0===s){s=new HT;const t=this.currentFunctionNode;this.currentFunctionNode=s,s.code=this.buildFunctionCode(e),this.currentFunctionNode=t,r.set(e,s)}return s}flowShaderNode(e){const t=e.layout,r={[Symbol.iterator](){let e=0;const t=Object.values(this);return{next:()=>({value:t[e],done:e++>=t.length})}}};for(const e of t.inputs)r[e.name]=new Rb(e.type,e.name);e.layout=null;const s=e.call(r),i=this.flowStagesNode(s,t.type);return e.layout=t,i}flowBuildStage(e,t,r=null){const s=this.getBuildStage();this.setBuildStage(t);const i=e.build(this,r);return this.setBuildStage(s),i}flowStagesNode(e,t=null){const r=this.flow,s=this.vars,i=this.declarations,n=this.cache,a=this.buildStage,o=this.stack,u={code:""};this.flow=u,this.vars={},this.declarations={},this.cache=new rS,this.stack=wb();for(const r of ui)this.setBuildStage(r),u.result=e.build(this,t);return u.vars=this.getVars(this.shaderStage),this.flow=r,this.vars=s,this.declarations=i,this.cache=n,this.stack=o,this.setBuildStage(a),u}getFunctionOperator(){return null}buildFunctionCode(){d("Abstract function.")}flowChildNode(e,t=null){const r=this.flow,s={code:""};return this.flow=s,s.result=e.build(this,t),this.flow=r,s}flowNodeFromShaderStage(e,t,r=null,s=null){const i=this.tab,n=this.cache,a=this.shaderStage,o=this.context;this.setShaderStage(e);const u={...this.context};delete u.nodeBlock,this.cache=this.globalCache,this.tab="\t",this.context=u;let l=null;if("generate"===this.buildStage){const i=this.flowChildNode(t,r);null!==s&&(i.code+=`${this.tab+s} = ${i.result};\n`),this.flowCode[e]=this.flowCode[e]+i.code,l=i}else l=t.build(this);return this.setShaderStage(a),this.cache=n,this.tab=i,this.context=o,l}getAttributesArray(){return this.attributes.concat(this.bufferAttributes)}getAttributes(){d("Abstract function.")}getVaryings(){d("Abstract function.")}getVar(e,t,r=null){return`${null!==r?this.generateArrayDeclaration(e,r):this.getType(e)} ${t}`}getVars(e,t=!1){const r=[],s=this.vars[e];if(void 0!==s)for(const e of s)r.push(`${this.getVar(e.type,e.name,e.count)};`);return r.join(t?"\n":"\n\t")}getUniforms(){d("Abstract function.")}getCodes(e){const t=this.codes[e];let r="";if(void 0!==t)for(const e of t)r+=e.code+"\n";return r}getHash(){return this.vertexShader+this.fragmentShader+this.computeShader}setShaderStage(e){this.shaderStage=e}getShaderStage(){return this.shaderStage}setBuildStage(e){this.buildStage=e}getBuildStage(){return this.buildStage}buildCode(){d("Abstract function.")}get subBuild(){return this.subBuildLayers[this.subBuildLayers.length-1]||null}addSubBuild(e){this.subBuildLayers.push(e)}removeSubBuild(){return this.subBuildLayers.pop()}getClosestSubBuild(e){let t;if(t=e&&e.isNode?e.isShaderCallNodeInternal?e.shaderNode.subBuilds:e.isStackNode?[e.subBuild]:this.getDataFromNode(e,"any").subBuilds:e instanceof Set?[...e]:e,!t)return null;const r=this.subBuildLayers;for(let e=t.length-1;e>=0;e--){const s=t[e];if(r.includes(s))return s}return null}getSubBuildOutput(e){return this.getSubBuildProperty("outputNode",e)}getSubBuildProperty(e="",t=null){let r,s;return r=null!==t?this.getClosestSubBuild(t):this.subBuildFn,s=r?e?r+"_"+e:r:e,s}prebuild(){const{object:e,renderer:t,material:r}=this;if(!0===t.contextNode.isContextNode?this.context={...this.context,...t.contextNode.getFlowContextData()}:o('NodeBuilder: "renderer.contextNode" must be an instance of `context()`.'),r&&r.contextNode&&(!0===r.contextNode.isContextNode?this.context={...this.context,...r.contextNode.getFlowContextData()}:o('NodeBuilder: "material.contextNode" must be an instance of `context()`.')),null!==r){let e=t.library.fromMaterial(r);null===e&&(o(`NodeBuilder: Material "${r.type}" is not compatible.`),e=new Ug),e.build(this)}else this.addFlow("compute",e)}build(){this.prebuild();for(const e of ui){this.setBuildStage(e),this.context.position&&this.context.position.isNode&&this.flowNodeFromShaderStage("vertex",this.context.position);for(const t of li){this.setShaderStage(t);const r=this.flowNodes[t];for(const t of r)"generate"===e?this.flowNode(t):t.build(this)}}return this.setBuildStage(null),this.setShaderStage(null),this.buildCode(),this.buildUpdateNodes(),this}async buildAsync(){this.prebuild();for(const e of ui){this.setBuildStage(e),this.context.position&&this.context.position.isNode&&this.flowNodeFromShaderStage("vertex",this.context.position);for(const t of li){this.setShaderStage(t);const r=this.flowNodes[t];for(const t of r)"generate"===e?this.flowNode(t):t.build(this);await Tt()}}return this.setBuildStage(null),this.setShaderStage(null),this.buildCode(),this.buildUpdateNodes(),this}getSharedDataFromNode(e){let t=SS.get(e);return void 0===t&&(t={}),t}getNodeUniform(e,t){const r=this.getSharedDataFromNode(e);let s=r.cache;if(void 0===s){if("float"===t||"int"===t||"uint"===t)s=new pS(e);else if("vec2"===t||"ivec2"===t||"uvec2"===t)s=new gS(e);else if("vec3"===t||"ivec3"===t||"uvec3"===t)s=new mS(e);else if("vec4"===t||"ivec4"===t||"uvec4"===t)s=new fS(e);else if("color"===t)s=new yS(e);else if("mat2"===t)s=new bS(e);else if("mat3"===t)s=new xS(e);else{if("mat4"!==t)throw new Error(`THREE.NodeBuilder: Uniform "${t}" not implemented.`);s=new TS(e)}r.cache=s}return s}format(e,t,r){if((t=this.getVectorType(t))===(r=this.getVectorType(r))||null===r||this.isReference(r))return e;const s=this.getTypeLength(t),i=this.getTypeLength(r);return 16===s&&9===i?`${this.getType(r)}( ${e}[ 0 ].xyz, ${e}[ 1 ].xyz, ${e}[ 2 ].xyz )`:9===s&&4===i?`${this.getType(r)}( ${e}[ 0 ].xy, ${e}[ 1 ].xy )`:s>4||i>4||0===i?e:s===i?`${this.getType(r)}( ${e} )`:s>i?(e="bool"===r?`all( ${e} )`:`${e}.${"xyz".slice(0,i)}`,this.format(e,this.getTypeFromLength(i,this.getComponentType(t)),r)):4===i&&s>1?`${this.getType(r)}( ${this.format(e,t,"vec3")}, 1.0 )`:2===s?`${this.getType(r)}( ${this.format(e,t,"vec2")}, 0.0 )`:(1===s&&i>1&&t!==this.getComponentType(r)&&(e=`${this.getType(this.getComponentType(r))}( ${e} )`),`${this.getType(r)}( ${e} )`)}getSignature(){return`// Three.js r${_t} - Node System\n`}needsPreviousData(){const e=this.renderer.getMRT();return e&&e.has("velocity")||!0===Js(this.object).useVelocity}}class CS{constructor(){this.time=0,this.deltaTime=0,this.frameId=0,this.renderId=0,this.updateMap=new WeakMap,this.updateBeforeMap=new WeakMap,this.updateAfterMap=new WeakMap,this.renderer=null,this.material=null,this.camera=null,this.object=null,this.scene=null}_getMaps(e,t){let r=e.get(t);return void 0===r&&(r={renderId:0,frameId:0},e.set(t,r)),r}updateBeforeNode(e){const t=e.getUpdateBeforeType(),r=e.updateReference(this);if(t===ii.FRAME){const t=this._getMaps(this.updateBeforeMap,r);if(t.frameId!==this.frameId){const r=t.frameId;t.frameId=this.frameId,!1===e.updateBefore(this)&&(t.frameId=r)}}else if(t===ii.RENDER){const t=this._getMaps(this.updateBeforeMap,r);if(t.renderId!==this.renderId){const r=t.renderId;t.renderId=this.renderId,!1===e.updateBefore(this)&&(t.renderId=r)}}else t===ii.OBJECT&&e.updateBefore(this)}updateAfterNode(e){const t=e.getUpdateAfterType(),r=e.updateReference(this);if(t===ii.FRAME){const t=this._getMaps(this.updateAfterMap,r);t.frameId!==this.frameId&&!1!==e.updateAfter(this)&&(t.frameId=this.frameId)}else if(t===ii.RENDER){const t=this._getMaps(this.updateAfterMap,r);t.renderId!==this.renderId&&!1!==e.updateAfter(this)&&(t.renderId=this.renderId)}else t===ii.OBJECT&&e.updateAfter(this)}updateNode(e){const t=e.getUpdateType(),r=e.updateReference(this);if(t===ii.FRAME){const t=this._getMaps(this.updateMap,r);t.frameId!==this.frameId&&!1!==e.update(this)&&(t.frameId=this.frameId)}else if(t===ii.RENDER){const t=this._getMaps(this.updateMap,r);t.renderId!==this.renderId&&!1!==e.update(this)&&(t.renderId=this.renderId)}else t===ii.OBJECT&&e.update(this)}update(){this.frameId++,void 0===this.lastTime&&(this.lastTime=performance.now()),this.deltaTime=(performance.now()-this.lastTime)/1e3,this.lastTime=performance.now(),this.time+=this.deltaTime}}class MS{constructor(e,t,r=null,s="",i=!1){this.type=e,this.name=t,this.count=r,this.qualifier=s,this.isConst=i}}MS.isNodeFunctionInput=!0;class BS extends Wv{static get type(){return"AmbientLightNode"}constructor(e=null){super(e)}setup({context:e}){e.irradiance.addAssign(this.colorNode)}}class LS extends Wv{static get type(){return"DirectionalLightNode"}constructor(e=null){super(e)}setupDirect(){const e=this.colorNode;return{lightDirection:Y_(this.light),lightColor:e}}}class FS extends Wv{static get type(){return"HemisphereLightNode"}constructor(t=null){super(t),this.lightPositionNode=j_(t),this.lightDirectionNode=this.lightPositionNode.normalize(),this.groundColorNode=Aa(new e).setGroup(Ra)}update(e){const{light:t}=this;super.update(e),this.lightPositionNode.object3d=t,this.groundColorNode.value.copy(t.groundColor).multiplyScalar(t.intensity)}setup(e){const{colorNode:t,groundColorNode:r,lightDirectionNode:s}=this,i=Mc.dot(s).mul(.5).add(.5),n=yu(r,t,i);e.context.irradiance.addAssign(n)}}class PS extends Wv{static get type(){return"SpotLightNode"}constructor(e=null){super(e),this.coneCosNode=Aa(0).setGroup(Ra),this.penumbraCosNode=Aa(0).setGroup(Ra),this.cutoffDistanceNode=Aa(0).setGroup(Ra),this.decayExponentNode=Aa(0).setGroup(Ra),this.colorNode=Aa(this.color).setGroup(Ra)}update(e){super.update(e);const{light:t}=this;this.coneCosNode.value=Math.cos(t.angle),this.penumbraCosNode.value=Math.cos(t.angle*(1-t.penumbra)),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}getSpotAttenuation(e,t){const{coneCosNode:r,penumbraCosNode:s}=this;return _u(r,s,t)}getLightCoord(e){const t=e.getNodeProperties(this);let r=t.projectionUV;return void 0===r&&(r=H_(this.light,e.context.positionWorld),t.projectionUV=r),r}setupDirect(e){const{colorNode:t,cutoffDistanceNode:r,decayExponentNode:s,light:i}=this,n=this.getLightVector(e),a=n.normalize(),o=a.dot(Y_(i)),u=this.getSpotAttenuation(e,o),l=n.length(),d=Hv({lightDistance:l,cutoffDistance:r,decayExponent:s});let c,h,p=t.mul(u).mul(d);if(i.colorNode?(h=this.getLightCoord(e),c=i.colorNode(h)):i.map&&(h=this.getLightCoord(e),c=ed(i.map,h.xy).onRenderUpdate(()=>i.map)),c){p=h.mul(2).sub(1).abs().lessThan(1).all().select(p.mul(c),p)}return{lightColor:p,lightDirection:a}}}class US extends PS{static get type(){return"IESSpotLightNode"}constructor(e=null){super(e),this._iesTextureNode=null}getSpotAttenuation(e,t){const r=this.light.iesMap;let s=null;if(r&&!0===r.isTexture){const e=t.acos().mul(1/Math.PI);this._iesTextureNode=ed(r,Sn(e,0),0),s=this._iesTextureNode.r}else s=super.getSpotAttenuation(e,t);return s}update(e){super.update(e),null!==this._iesTextureNode&&this.light.iesMap&&(this._iesTextureNode.value=this.light.iesMap)}}class DS extends Wv{static get type(){return"LightProbeNode"}constructor(e=null){super(e);const t=[];for(let e=0;e<9;e++)t.push(new r);this.lightProbe=ad(t)}update(e){const{light:t}=this;super.update(e);for(let e=0;e<9;e++)this.lightProbe.array[e].copy(t.sh.coefficients[e]).multiplyScalar(t.intensity)}setup(e){const t=zN(Mc,this.lightProbe);e.context.irradiance.addAssign(t)}}const IS=gn(([e,t])=>{const r=e.abs().sub(t);return Wo(su(r,0)).add(ru(su(r.x,r.y),0))});class OS extends PS{static get type(){return"ProjectorLightNode"}update(e){super.update(e);const t=this.light;if(this.penumbraCosNode.value=Math.min(Math.cos(t.angle*(1-t.penumbra)),.99999),null===t.aspect){let e=1;null!==t.map&&(e=t.map.width/t.map.height),t.shadow.aspect=e}else t.shadow.aspect=t.aspect}getSpotAttenuation(e){const t=Tn(0),r=this.penumbraCosNode,s=W_(this.light).mul(e.context.positionWorld||fc);return yn(s.w.greaterThan(0),()=>{const e=s.xyz.div(s.w),i=IS(e.xy.sub(Sn(.5)),Sn(.5)),n=ka(-1,Oa(1,Oo(r)).sub(1));t.assign(xu(i.mul(-2).mul(n)))}),t}}const VS=new a,kS=new a;let GS=null;class $S extends Wv{static get type(){return"RectAreaLightNode"}constructor(e=null){super(e),this.halfHeight=Aa(new r).setGroup(Ra),this.halfWidth=Aa(new r).setGroup(Ra),this.updateType=ii.RENDER}update(e){super.update(e);const{light:t}=this,r=e.camera.matrixWorldInverse;kS.identity(),VS.copy(t.matrixWorld),VS.premultiply(r),kS.extractRotation(VS),this.halfWidth.value.set(.5*t.width,0,0),this.halfHeight.value.set(0,.5*t.height,0),this.halfWidth.value.applyMatrix4(kS),this.halfHeight.value.applyMatrix4(kS)}setupDirectRectArea(e){let t,r;e.isAvailable("float32Filterable")?(t=ed(GS.LTC_FLOAT_1),r=ed(GS.LTC_FLOAT_2)):(t=ed(GS.LTC_HALF_1),r=ed(GS.LTC_HALF_2));const{colorNode:s,light:i}=this;return{lightColor:s,lightPosition:X_(i),halfWidth:this.halfWidth,halfHeight:this.halfHeight,ltc_1:t,ltc_2:r}}static setLTC(e){GS=e}}class zS{parseFunction(){d("Abstract function.")}}class WS{constructor(e,t,r="",s=""){this.type=e,this.inputs=t,this.name=r,this.precision=s}getCode(){d("Abstract function.")}}WS.isNodeFunction=!0;const HS=/^\s*(highp|mediump|lowp)?\s*([a-z_0-9]+)\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)/i,jS=/[a-z_0-9]+/gi,qS="#pragma main";class XS extends WS{constructor(e){const{type:t,inputs:r,name:s,precision:i,inputsCode:n,blockCode:a,headerCode:o}=(e=>{const t=(e=e.trim()).indexOf(qS),r=-1!==t?e.slice(t+12):e,s=r.match(HS);if(null!==s&&5===s.length){const i=s[4],n=[];let a=null;for(;null!==(a=jS.exec(i));)n.push(a);const o=[];let u=0;for(;u<n.length;){const e="const"===n[u][0];!0===e&&u++;let t=n[u][0];"in"===t||"out"===t||"inout"===t?u++:t="";const r=n[u++][0];let s=Number.parseInt(n[u][0]);!1===Number.isNaN(s)?u++:s=null;const i=n[u++][0];o.push(new MS(r,i,s,t,e))}const l=r.substring(s[0].length),d=void 0!==s[3]?s[3]:"";return{type:s[2],inputs:o,name:d,precision:void 0!==s[1]?s[1]:"",inputsCode:i,blockCode:l,headerCode:-1!==t?e.slice(0,t):""}}throw new Error("THREE.FunctionNode: Function is not a GLSL code.")})(e);super(t,r,s,i),this.inputsCode=n,this.blockCode=a,this.headerCode=o}getCode(e=this.name){let t;const r=this.blockCode;if(""!==r){const{type:s,inputsCode:i,headerCode:n,precision:a}=this;let o=`${s} ${e} ( ${i.trim()} )`;""!==a&&(o=`${a} ${o}`),t=n+o+r}else t="";return t}}class YS extends zS{parseFunction(e){return new XS(e)}}const KS=[],QS=[],ZS=Aa(0,"int").setGroup(Ra);class JS extends jy{constructor(e,t){super(),this.renderer=e,this.backend=t,this.nodeFrame=new CS,this.nodeBuilderCache=new Map,this.callHashCache=new Gy,this.groupsData=new Gy,this._buildQueue=[],this._buildInProgress=!1,this.cacheLib={}}updateGroup(e){const t=e.groupNode;KS[0]=t,KS[1]=e;let r=this.groupsData.get(KS);return void 0===r&&this.groupsData.set(KS,r={}),KS[0]=null,KS[1]=null,r.version!==t.version&&(r.version=t.version,!0)}getForRenderCacheKey(e){return e.initialCacheKey}_createNodeBuilder(e,t){const r=this.backend.createNodeBuilder(e.object,this.renderer);return r.scene=e.scene,r.material=t,r.camera=e.camera,r.context.material=t,r.lightsNode=e.lightsNode,r.environmentNode=this.getEnvironmentNode(e.scene),r.fogNode=this.getFogNode(e.scene),r.clippingContext=e.clippingContext,this.renderer.getOutputRenderTarget()&&this.renderer.getOutputRenderTarget().multiview&&r.enableMultiview(),r}getForRender(e,t=!1){const r=this.get(e);let s=r.nodeBuilderState;if(void 0===s){const{nodeBuilderCache:i}=this,n=this.getForRenderCacheKey(e);if(s=i.get(n),void 0===s){if(t)return(async()=>{let r=this._createNodeBuilder(e,e.material);try{t?await r.buildAsync():r.build()}catch(s){r=this._createNodeBuilder(e,new Ug),t?await r.buildAsync():r.build(),o("TSL: "+s)}return r})().then(e=>(s=this._createNodeBuilderState(e),i.set(n,s),s.usedTimes++,r.nodeBuilderState=s,s));{let t=this._createNodeBuilder(e,e.material);try{t.build()}catch(r){t=this._createNodeBuilder(e,new Ug),t.build();let s=r.stackTrace;!s&&r.stack&&(s=new Vs(r.stack)),o("TSL: "+r,s)}s=this._createNodeBuilderState(t),i.set(n,s)}}s.usedTimes++,r.nodeBuilderState=s}return s}getForRenderAsync(e){const t=this.getForRender(e,!0);return t.then?t:Promise.resolve(t)}getForRenderDeferred(e){const t=this.get(e);if(void 0!==t.nodeBuilderState)return t.nodeBuilderState;const r=this.getForRenderCacheKey(e),s=this.nodeBuilderCache.get(r);return void 0!==s?(s.usedTimes++,t.nodeBuilderState=s,s):(!0!==t.pendingBuild&&(t.pendingBuild=!0,this._buildQueue.push(()=>this.getForRenderAsync(e).then(()=>{t.pendingBuild=!1})),this._processBuildQueue()),null)}_processBuildQueue(){if(this._buildInProgress||0===this._buildQueue.length)return;this._buildInProgress=!0;this._buildQueue.shift()().then(()=>{this._buildInProgress=!1,this._processBuildQueue()})}delete(e){if(e.isRenderObject){const t=this.get(e).nodeBuilderState;void 0!==t&&(t.usedTimes--,0===t.usedTimes&&this.nodeBuilderCache.delete(this.getForRenderCacheKey(e)))}return super.delete(e)}getForCompute(e){const t=this.get(e);let r=t.nodeBuilderState;if(void 0===r||t.version!==e.version){const s=this.backend.createNodeBuilder(e,this.renderer);s.build(),r=this._createNodeBuilderState(s),t.nodeBuilderState=r,t.version=e.version}return r}_createNodeBuilderState(e){return new YN(e.vertexShader,e.fragmentShader,e.computeShader,e.getAttributesArray(),e.getBindings(),e.updateNodes,e.updateBeforeNodes,e.updateAfterNodes,e.observer,e.hardwareClipping,e.transforms)}getEnvironmentNode(e){if(!1===this.renderer.lighting.enabled)return null;this.updateEnvironment(e);let t=null;if(e.environmentNode&&e.environmentNode.isNode)t=e.environmentNode;else{const r=this.get(e);r.environmentNode&&(t=r.environmentNode)}return t}getBackgroundNode(e){this.updateBackground(e);let t=null;if(e.backgroundNode&&e.backgroundNode.isNode)t=e.backgroundNode;else{const r=this.get(e);r.backgroundNode&&(t=r.backgroundNode)}return t}getFogNode(e){return this.updateFog(e),e.fogNode||this.get(e).fogNode||null}getCacheKey(e,t){KS[0]=e,KS[1]=t;const r=this.renderer.info.calls,s=this.callHashCache.get(KS)||{};if(s.callId!==r){if(QS.push(this.renderer.getOutputRenderTarget()&&this.renderer.getOutputRenderTarget().multiview?1:0),QS.push(this.renderer.lighting.enabled?1:0),this.renderer.lighting.enabled){QS.push(t.getCacheKey(!0)),QS.push(this.renderer.shadowMap.enabled?1:0),QS.push(this.renderer.shadowMap.type);const r=this.getEnvironmentNode(e);r&&QS.push(r.getCacheKey())}const i=this.getFogNode(e);i&&QS.push(i.getCacheKey()),s.callId=r,s.cacheKey=$s(QS),this.callHashCache.set(KS,s),QS.length=0}return KS[0]=null,KS[1]=null,s.cacheKey}get isToneMappingState(){return!this.renderer.getRenderTarget()}updateBackground(e){const t=this.get(e),r=e.background;if(r){const s=0===e.backgroundBlurriness&&t.backgroundBlurriness>0||e.backgroundBlurriness>0&&0===t.backgroundBlurriness;if(t.background!==r||s){const i=this.getCacheNode("background",r,()=>{if(!0===r.isCubeTexture||r.mapping===ce||r.mapping===he||r.mapping===we){if(e.backgroundBlurriness>0||r.mapping===we)return ay(r);{let e;return e=!0===r.isCubeTexture?Xc(r):ed(r),im(e)}}if(!0===r.isTexture)return ed(r,pd.flipY()).setUpdateMatrix(!0);!0!==r.isColor&&o("WebGPUNodes: Unsupported background configuration.",r)},s);t.backgroundNode=i,t.background=r,t.backgroundBlurriness=e.backgroundBlurriness}}else t.backgroundNode&&(delete t.backgroundNode,delete t.background)}getCacheNode(e,t,r,s=!1){const i=this.cacheLib[e]||(this.cacheLib[e]=new WeakMap);let n=i.get(t);return(void 0===n||s)&&(n=r(),i.set(t,n)),n}updateFog(e){const t=this.get(e),r=e.fog;if(r){if(t.fog!==r){const e=this.getCacheNode("fog",r,()=>{if(r.isFogExp2){const e=Qc("color","color",r).setGroup(Ra),t=Qc("density","float",r).setGroup(Ra);return QT(e,YT(t))}if(r.isFog){const e=Qc("color","color",r).setGroup(Ra),t=Qc("near","float",r).setGroup(Ra),s=Qc("far","float",r).setGroup(Ra);return QT(e,XT(t,s))}o("Renderer: Unsupported fog configuration.",r)});t.fogNode=e,t.fog=r}}else delete t.fogNode,delete t.fog}updateEnvironment(e){const t=this.get(e),r=e.environment;if(r){if(t.environment!==r){const e=this.getCacheNode("environment",r,()=>!0===r.isCubeTexture?Xc(r):!0===r.isTexture?ed(r):void o("Nodes: Unsupported environment configuration.",r));t.environmentNode=e,t.environment=r}}else t.environmentNode&&(delete t.environmentNode,delete t.environment)}getNodeFrame(e=this.renderer,t=null,r=null,s=null,i=null){const n=this.nodeFrame;return n.renderer=e,n.scene=t,n.object=r,n.camera=s,n.material=i,n}getNodeFrameForRender(e){return this.getNodeFrame(e.renderer,e.scene,e.object,e.camera,e.material)}getOutputCacheKey(){const e=this.renderer;return e.toneMapping+","+e.currentColorSpace+","+e.xr.isPresenting}getOutputNode(e){const t=this.renderer;let r;return r=e.isArrayTexture?this.backend.isWebGLBackend?ed(e,pd).depth(ud("gl_ViewID_OVR")).renderOutput(t.toneMapping,t.currentColorSpace):ed(e,pd).depth(ZS).renderOutput(t.toneMapping,t.currentColorSpace):ed(e,pd).renderOutput(t.toneMapping,t.currentColorSpace),r}setOutputLayerIndex(e){ZS.value=e}updateBefore(e){const t=e.getNodeBuilderState();for(const r of t.updateBeforeNodes)this.getNodeFrameForRender(e).updateBeforeNode(r)}updateAfter(e){const t=e.getNodeBuilderState();for(const r of t.updateAfterNodes)this.getNodeFrameForRender(e).updateAfterNode(r)}updateForCompute(e){const t=this.getNodeFrame(),r=this.getForCompute(e);for(const e of r.updateNodes)t.updateNode(e)}updateForRender(e){const t=this.getNodeFrameForRender(e),r=e.getNodeBuilderState();for(const e of r.updateNodes)t.updateNode(e)}needsRefresh(e){const t=this.getNodeFrameForRender(e);return e.getMonitor().needsRefresh(e,t)}dispose(){super.dispose(),this.nodeFrame=new CS,this.nodeBuilderCache=new Map,this.cacheLib={}}}const eR=new ut;class tR{constructor(e=null){this.version=0,this.clipIntersection=null,this.cacheKey="",this.shadowPass=!1,this.viewMatrix=new a,this.viewNormalMatrix=new n,this.clippingGroupContexts=new WeakMap,this.intersectionPlanes=[],this.unionPlanes=[],this.parentVersion=null,null!==e&&(this.viewMatrix=e.viewMatrix,this.viewNormalMatrix=e.viewNormalMatrix,this.clippingGroupContexts=e.clippingGroupContexts,this.shadowPass=e.shadowPass)}projectPlanes(e,t,r){const s=e.length;for(let i=0;i<s;i++){eR.copy(e[i]).applyMatrix4(this.viewMatrix,this.viewNormalMatrix);const s=t[r+i],n=eR.normal;s.x=-n.x,s.y=-n.y,s.z=-n.z,s.w=eR.constant}}updateGlobal(e,t){this.shadowPass=null!==e.overrideMaterial&&e.overrideMaterial.isShadowPassMaterial,this.viewMatrix.copy(t.matrixWorldInverse),this.viewNormalMatrix.getNormalMatrix(this.viewMatrix)}update(e,t){let r=!1;e.version!==this.parentVersion&&(this.intersectionPlanes=Array.from(e.intersectionPlanes),this.unionPlanes=Array.from(e.unionPlanes),this.parentVersion=e.version),this.clipIntersection!==t.clipIntersection&&(this.clipIntersection=t.clipIntersection,this.clipIntersection?this.unionPlanes.length=e.unionPlanes.length:this.intersectionPlanes.length=e.intersectionPlanes.length);const i=t.clippingPlanes,n=i.length;let a,o;if(this.clipIntersection?(a=this.intersectionPlanes,o=e.intersectionPlanes.length):(a=this.unionPlanes,o=e.unionPlanes.length),a.length!==o+n){a.length=o+n;for(let e=0;e<n;e++)a[o+e]=new s;r=!0}this.projectPlanes(i,a,o),r&&(this.version++,this.cacheKey=`${this.intersectionPlanes.length}:${this.unionPlanes.length}`)}getGroupContext(e){if(this.shadowPass&&!e.clipShadows)return this;let t=this.clippingGroupContexts.get(e);return void 0===t&&(t=new tR(this),this.clippingGroupContexts.set(e,t)),t.update(this,e),t}get unionClippingCount(){return this.unionPlanes.length}}class rR{constructor(e,t,r){this.bundleGroup=e,this.camera=t,this.renderContext=r}}const sR=[];class iR{constructor(){this.bundles=new Gy}get(e,t,r){const s=this.bundles;sR[0]=e,sR[1]=t,sR[2]=r;let i=s.get(sR);return void 0===i&&(i=new rR(e,t,r),s.set(sR,i)),sR[0]=null,sR[1]=null,sR[2]=null,i}dispose(){this.bundles=new Gy}}class nR{constructor(){this.lightNodes=new WeakMap,this.materialNodes=new Map,this.toneMappingNodes=new Map}fromMaterial(e){if(e.isNodeMaterial)return e;let t=null;const r=this.getMaterialNodeClass(e.type);if(null!==r){t=new r;for(const r in e)t[r]=e[r]}return t}addToneMapping(e,t){this.addType(e,t,this.toneMappingNodes)}getToneMappingFunction(e){return this.toneMappingNodes.get(e)||null}getMaterialNodeClass(e){return this.materialNodes.get(e)||null}addMaterial(e,t){this.addType(e,t,this.materialNodes)}getLightNodeClass(e){return this.lightNodes.get(e)||null}addLight(e,t){this.addClass(e,t,this.lightNodes)}addType(e,t,r){if(r.has(t))d(`Redefinition of node ${t}`);else{if("function"!=typeof e)throw new Error(`THREE.NodeLibrary: Node class ${e.name} is not a class.`);if("function"==typeof t||"object"==typeof t)throw new Error(`THREE.NodeLibrary: Base class ${t} is not a class.`);r.set(t,e)}}addClass(e,t,r){if(r.has(t))d(`Redefinition of node ${t.name}`);else{if("function"!=typeof e)throw new Error(`THREE.NodeLibrary: Node class ${e.name} is not a class.`);if("function"!=typeof t)throw new Error(`THREE.NodeLibrary: Base class ${t.name} is not a class.`);r.set(t,e)}}}const aR=new rv,oR=new WeakMap;class uR{constructor(){this.enabled=!0}createNode(e=[]){return(new rv).setLights(e)}getNode(e){if(!0!==e.isScene&&!0!==e.isGroup)return aR;let t=oR.get(e);return void 0===t&&(t=this.createNode(),oR.set(e,t)),t}}class lR extends ne{constructor(e=1,t=1,r={}){super(e,t,r),this.isXRRenderTarget=!0,this._hasExternalTextures=!1,this._autoAllocateDepthBuffer=!0,this._isOpaqueFramebuffer=!1}copy(e){return super.copy(e),this._hasExternalTextures=e._hasExternalTextures,this._autoAllocateDepthBuffer=e._autoAllocateDepthBuffer,this._isOpaqueFramebuffer=e._isOpaqueFramebuffer,this}}const dR=new r,cR=new r,hR=new WeakMap;class pR extends u{constructor(e,r=!1){super(),this.enabled=!1,this.isPresenting=!1,this.cameraAutoUpdate=!0,this._renderer=e,this._cameraL=new Se,this._cameraL.viewport=new s,this._cameraL.matrixWorldAutoUpdate=!1,this._cameraR=new Se,this._cameraR.viewport=new s,this._cameraR.matrixWorldAutoUpdate=!1,this._cameras=[this._cameraL,this._cameraR],this._cameraXR=new vt,this._currentDepthNear=null,this._currentDepthFar=null,this._controllers=[],this._controllerInputSources=[],this._xrRenderTarget=null,this._layers=[],this._sessionUsesLayers=!1,this._supportsGlBinding="undefined"!=typeof XRWebGLBinding,this._supportsWebGPUBinding=void 0!==globalThis.XRGPUBinding,this._createXRLayer=bR.bind(this),this._gl=null,this._currentAnimationContext=null,this._currentAnimationLoop=null,this._currentPixelRatio=null,this._currentSamples=null,this._currentSize=new t,this._onSessionEvent=mR.bind(this),this._onSessionEnd=fR.bind(this),this._onInputSourcesChange=yR.bind(this),this._onAnimationFrame=xR.bind(this),this._referenceSpace=null,this._referenceSpaceType="local-floor",this._customReferenceSpace=null,this._framebufferScaleFactor=1,this._foveation=1,this._session=null,this._glBaseLayer=null,this._glBinding=null,this._webgpuBinding=null,this._glProjLayer=null,this._xrFrame=null,this._supportsLayers=this._supportsGlBinding&&"createProjectionLayer"in XRWebGLBinding.prototype,this._useMultiviewIfPossible=r,this._useMultiview=!1}getController(e){return this._getController(e).getTargetRaySpace()}getControllerGrip(e){return this._getController(e).getGripSpace()}getHand(e){return this._getController(e).getHandSpace()}getFoveation(){return this._foveation}setFoveation(e){this._foveation=e,null!==this._glProjLayer&&(this._glProjLayer.fixedFoveation=e),null!==this._glBaseLayer&&void 0!==this._glBaseLayer.fixedFoveation&&(this._glBaseLayer.fixedFoveation=e)}getFramebufferScaleFactor(){return this._framebufferScaleFactor}setFramebufferScaleFactor(e){this._framebufferScaleFactor=e,!0===this.isPresenting&&d("XRManager: Cannot change framebuffer scale while presenting.")}getReferenceSpaceType(){return this._referenceSpaceType}setReferenceSpaceType(e){this._referenceSpaceType=e,!0===this.isPresenting&&d("XRManager: Cannot change reference space type while presenting.")}getReferenceSpace(){return this._customReferenceSpace||this._referenceSpace}setReferenceSpace(e){this._customReferenceSpace=e}getCamera(){return this._cameraXR}getEnvironmentBlendMode(){if(null!==this._session)return this._session.environmentBlendMode}getBaseLayer(){return null!==this._glProjLayer?this._glProjLayer:this._glBaseLayer}getBinding(){return null===this._glBinding&&this._supportsGlBinding&&(this._glBinding=new XRWebGLBinding(this._session,this._gl)),this._glBinding}foveateBoundTexture(e){if(!0!==e.isPostProcessingRenderTarget)return;if(!0!==this.isPresenting)return;if(null===this._glProjLayer)return;const t=this._renderer.backend;if(void 0===t||!0!==t.isWebGLBackend)return;if(null===t.state)return;const r=this._renderer.getOutputRenderTarget();if(null===r||!0!==r.isXRRenderTarget)return;const s=this.getBinding();if(null===s||"function"!=typeof s.foveateBoundTexture)return;this._renderer._textures.updateRenderTarget(e);const{textureGPU:i,glTextureType:n}=t.get(e.texture);if(void 0!==i&&void 0!==n&&e._xrFoveationTextureGPU!==i){e._xrFoveationTextureGPU=i,t.state.bindTexture(n,i);try{s.foveateBoundTexture(n,this.getFoveation())}catch(e){v(`XRManager: Unable to foveate bound XR post-processing texture. ${e.name}: ${e.message}`)}finally{t.state.unbindTexture()}}}getWebGPUBinding(){return null===this._webgpuBinding&&this._supportsWebGPUBinding&&(this._webgpuBinding=new globalThis.XRGPUBinding(this._session,this._renderer.backend.device)),this._webgpuBinding}_isWebGPUSession(){return!0===this._renderer.backend.isWebGPUBackend&&null!==this._session&&this._session.enabledFeatures.includes("webgpu")}_validateWebGPUSession(){const e=this._renderer;if(!0===e.backend.isWebGPUBackend){if(!1===this._session.enabledFeatures.includes("webgpu"))throw new Error('THREE.XRManager: WebGPU XR sessions require the "webgpu" session feature. Use VRButtonGPU/XRButton with "webgpu" enabled or use a WebGL backend.');e.samples>0&&(v("THREE.XRManager: WebGPU XR does not support MSAA yet. Disabling MSAA for this XR session."),null===this._currentSamples&&(this._currentSamples=e.samples),e._samples=0)}}async _initWebGPUSession(e){const t=this.getWebGPUBinding(),r=t.createProjectionLayer({colorFormat:t.getPreferredColorFormat(),depthStencilFormat:"depth24plus"});this._glProjLayer=r,e.updateRenderState({layers:[r]}),this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType()),this._xrRenderTarget=new ne(r.textureWidth,r.textureHeight,{depth:2,minFilter:le,magFilter:le,depthBuffer:!0,multiview:!1,useArrayDepthTexture:!0,samples:0}),this._xrRenderTarget.texture.isArrayTexture=!0,!0===this._useMultiviewIfPossible&&v("THREE.XRManager: WebGPU XR does not support multiview yet. Disabling multiview for this XR session."),this._useMultiview=!1}_disposeWebGPUSession(){const e=this._renderer,t=this._xrRenderTarget;if(null===t||!0!==e.backend.isWebGPUBackend)return;const r=e.backend,s=e._textures,i=r.get?r.get(t):null;i&&(i.descriptors=void 0);const n=e=>{null!=e&&(r.delete&&r.delete(e),s.delete&&s.delete(e))};for(let e=0;e<t.textures.length;e++)n(t.textures[e]);n(t.depthTexture),n(t),e._renderContexts&&e._renderContexts.dispose&&e._renderContexts.dispose(),t.dispose()}_getWebGPUViewData(e){const t=this.getWebGPUBinding(),r={colorTexture:null,viewDescriptors:[],viewports:[]};for(let s=0;s<e.length;s++){const i=t.getViewSubImage(this._glProjLayer,e[s]);null===r.colorTexture&&(r.colorTexture=i.colorTexture),r.viewports.push(i.viewport),i.getViewDescriptor&&r.viewDescriptors.push(i.getViewDescriptor())}return r}getFrame(){return this._xrFrame}useMultiview(){return this._useMultiview}createQuadLayer(e,t,r,s,i,n,a,o={}){const u=new Nt(e,t),l=new lR(i,n,{format:Ee,type:Ve,depthTexture:new Z(i,n,o.stencil?Ze:S,void 0,void 0,void 0,void 0,void 0,void 0,o.stencil?je:He),stencilBuffer:o.stencil,resolveDepthBuffer:!1,resolveStencilBuffer:!1});l._autoAllocateDepthBuffer=!0;const d=new fe({color:16777215,side:St});d.map=l.texture,d.map.offset.y=1,d.map.repeat.y=-1;const c=new oe(u,d);c.position.copy(r),c.quaternion.copy(s);const h={type:"quad",width:e,height:t,translation:r,quaternion:s,pixelwidth:i,pixelheight:n,plane:c,material:d,rendercall:a,renderTarget:l};if(this._layers.push(h),null!==this._session){h.plane.material=new fe({color:16777215,side:St}),h.plane.material.blending=Rt,h.plane.material.blendEquation=it,h.plane.material.blendSrc=Et,h.plane.material.blendDst=Et,h.xrlayer=this._createXRLayer(h);const e=this._session.renderState.layers;e.unshift(h.xrlayer),this._session.updateRenderState({layers:e})}else l.isXRRenderTarget=!1;return c}createCylinderLayer(e,t,r,s,i,n,a,o,u={}){const l=new wt(e,e,e*t/r,64,64,!0,Math.PI-t/2,t),d=new lR(n,a,{format:Ee,type:Ve,depthTexture:new Z(n,a,u.stencil?Ze:S,void 0,void 0,void 0,void 0,void 0,void 0,u.stencil?je:He),stencilBuffer:u.stencil,resolveDepthBuffer:!1,resolveStencilBuffer:!1});d._autoAllocateDepthBuffer=!0;const c=new fe({color:16777215,side:F});c.map=d.texture,c.map.offset.y=1,c.map.repeat.y=-1;const h=new oe(l,c);h.position.copy(s),h.quaternion.copy(i);const p={type:"cylinder",radius:e,centralAngle:t,aspectratio:r,translation:s,quaternion:i,pixelwidth:n,pixelheight:a,plane:h,material:c,rendercall:o,renderTarget:d};if(this._layers.push(p),null!==this._session){p.plane.material=new fe({color:16777215,side:F}),p.plane.material.blending=Rt,p.plane.material.blendEquation=it,p.plane.material.blendSrc=Et,p.plane.material.blendDst=Et,p.xrlayer=this._createXRLayer(p);const e=this._session.renderState.layers;e.unshift(p.xrlayer),this._session.updateRenderState({layers:e})}else d.isXRRenderTarget=!1;return h}renderLayers(){const e=new r,s=new At,i=this._renderer,n=this.isPresenting;this.isPresenting=!1;const a=new t;i.getSize(a);const o=i.getRenderTarget();for(const t of this._layers){t.renderTarget.isXRRenderTarget=null!==this._session,t.renderTarget._hasExternalTextures=t.renderTarget.isXRRenderTarget;const r=i.contextNode;let n;if(t.renderTarget.isXRRenderTarget&&this._sessionUsesLayers){t.xrlayer.transform=new XRRigidTransform(t.plane.getWorldPosition(e),t.plane.getWorldQuaternion(s));const a=this._glBinding.getSubImage(t.xrlayer,this._xrFrame);i.backend.setXRRenderTargetTextures(t.renderTarget,a.colorTexture,void 0),i._setXRLayerSize(t.renderTarget.width,t.renderTarget.height),n=hR.get(r),void 0===n&&(n=r.context({getOutput:e=>Il(e,i.toneMapping,i.outputColorSpace)}),hR.set(r,n))}else n=r;i.contextNode=n,i.setRenderTarget(t.renderTarget),t.rendercall(),i.contextNode=r}i.setRenderTarget(o),i._setXRLayerSize(a.x,a.y),this.isPresenting=n}getSession(){return this._session}async setSession(e){const t=this._renderer;!1===t.initialized&&await t.init(),this._gl=t.getContext();const r=this._gl;if(this._session=e,null!==e){if(e.addEventListener("select",this._onSessionEvent),e.addEventListener("selectstart",this._onSessionEvent),e.addEventListener("selectend",this._onSessionEvent),e.addEventListener("squeeze",this._onSessionEvent),e.addEventListener("squeezestart",this._onSessionEvent),e.addEventListener("squeezeend",this._onSessionEvent),e.addEventListener("end",this._onSessionEnd),e.addEventListener("inputsourceschange",this._onInputSourcesChange),this._validateWebGPUSession(),this._currentPixelRatio=t.getPixelRatio(),t.getSize(this._currentSize),this._currentAnimationContext=t._animation.getContext(),this._currentAnimationLoop=t._animation.getAnimationLoop(),t._animation.stop(),this._isWebGPUSession())await this._initWebGPUSession(e);else if(!0===this._supportsLayers){let s=null,i=null,n=null;const a=r.getContextAttributes();await t.backend.makeXRCompatible(),this.setFoveation(this.getFoveation()),t.depth&&(n=t.stencil?r.DEPTH24_STENCIL8:r.DEPTH_COMPONENT24,s=t.stencil?je:He,i=t.stencil?Ze:S);const o={colorFormat:r.RGBA8,depthFormat:n,scaleFactor:this._framebufferScaleFactor,clearOnAccess:!1};this._useMultiviewIfPossible&&t.hasFeature("OVR_multiview2")&&(o.textureType="texture-array",this._useMultiview=!0),this._glBinding=this.getBinding();const u=this._glBinding.createProjectionLayer(o),l=[u];this._glProjLayer=u,t.setPixelRatio(1),t._setXRLayerSize(u.textureWidth,u.textureHeight);const d=this._useMultiview?2:1,c=new Z(u.textureWidth,u.textureHeight,i,void 0,void 0,void 0,void 0,void 0,void 0,s,d);if(this._xrRenderTarget=new lR(u.textureWidth,u.textureHeight,{format:Ee,type:Ve,colorSpace:t.outputColorSpace,depthTexture:c,stencilBuffer:t.stencil,samples:a.antialias?4:0,resolveDepthBuffer:!1===u.ignoreDepthValues,resolveStencilBuffer:!1===u.ignoreDepthValues,depth:this._useMultiview?2:1,multiview:this._useMultiview}),this._xrRenderTarget._hasExternalTextures=!0,this._xrRenderTarget.depth=this._useMultiview?2:1,this._sessionUsesLayers=e.enabledFeatures.includes("layers"),this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType()),this._sessionUsesLayers)for(const e of this._layers)e.plane.material=new fe({color:16777215,side:"cylinder"===e.type?F:St}),e.plane.material.blending=Rt,e.plane.material.blendEquation=it,e.plane.material.blendSrc=Et,e.plane.material.blendDst=Et,e.xrlayer=this._createXRLayer(e),l.unshift(e.xrlayer);e.updateRenderState({layers:l})}else{await t.backend.makeXRCompatible(),this.setFoveation(this.getFoveation());const s={antialias:t.currentSamples>0,alpha:!0,depth:t.depth,stencil:t.stencil,framebufferScaleFactor:this.getFramebufferScaleFactor()},i=new XRWebGLLayer(e,r,s);this._glBaseLayer=i,e.updateRenderState({baseLayer:i}),t.setPixelRatio(1),t._setXRLayerSize(i.framebufferWidth,i.framebufferHeight),this._xrRenderTarget=new lR(i.framebufferWidth,i.framebufferHeight,{format:Ee,type:Ve,colorSpace:t.outputColorSpace,stencilBuffer:t.stencil,resolveDepthBuffer:!1===i.ignoreDepthValues,resolveStencilBuffer:!1===i.ignoreDepthValues}),this._xrRenderTarget._isOpaqueFramebuffer=!0,this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType())}t._animation.setAnimationLoop(this._onAnimationFrame),t._animation.setContext(e),t._animation.start(),this.isPresenting=!0,this.dispatchEvent({type:"sessionstart"})}}updateCamera(e){const t=this._session;if(null===t)return;const r=e.near,s=e.far,i=this._cameraXR,n=this._cameraL,a=this._cameraR;i.near=a.near=n.near=r,i.far=a.far=n.far=s,i.isMultiViewCamera=this._useMultiview,this._currentDepthNear===i.near&&this._currentDepthFar===i.far||(t.updateRenderState({depthNear:i.near,depthFar:i.far}),this._currentDepthNear=i.near,this._currentDepthFar=i.far),i.layers.mask=6|e.layers.mask,n.layers.mask=-5&i.layers.mask,a.layers.mask=-3&i.layers.mask;const o=e.parent,u=i.cameras;gR(i,o);for(let e=0;e<u.length;e++)gR(u[e],o);2===u.length?function(e,t,r){dR.setFromMatrixPosition(t.matrixWorld),cR.setFromMatrixPosition(r.matrixWorld);const s=dR.distanceTo(cR),i=t.projectionMatrix.elements,n=r.projectionMatrix.elements,a=i[14]/(i[10]-1),o=i[14]/(i[10]+1),u=(i[9]+1)/i[5],l=(i[9]-1)/i[5],d=(i[8]-1)/i[0],c=(n[8]+1)/n[0],h=a*d,p=a*c,g=s/(-d+c),m=g*-d;if(t.matrixWorld.decompose(e.position,e.quaternion,e.scale),e.translateX(m),e.translateZ(g),e.matrixWorld.compose(e.position,e.quaternion,e.scale),e.matrixWorldInverse.copy(e.matrixWorld).invert(),-1===i[10])e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse);else{const t=a+g,r=o+g,i=h-m,n=p+(s-m),d=u*o/r*t,c=l*o/r*t;e.projectionMatrix.makePerspective(i,n,d,c,t,r),e.projectionMatrixInverse.copy(e.projectionMatrix).invert()}}(i,n,a):i.projectionMatrix.copy(n.projectionMatrix),function(e,t,r){null===r?e.matrix.copy(t.matrixWorld):(e.matrix.copy(r.matrixWorld),e.matrix.invert(),e.matrix.multiply(t.matrixWorld));e.matrix.decompose(e.position,e.quaternion,e.scale),e.updateMatrixWorld(!0),e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse),e.isPerspectiveCamera&&(e.fov=2*Mt*Math.atan(1/e.projectionMatrix.elements[5]),e.zoom=1)}(e,i,o)}_getController(e){let t=this._controllers[e];return void 0===t&&(t=new Ct,this._controllers[e]=t),t}}function gR(e,t){null===t?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}function mR(e){const t=this._controllerInputSources.indexOf(e.inputSource);if(-1===t)return;const r=this._controllers[t];if(void 0!==r){const t=this.getReferenceSpace();r.update(e.inputSource,e.frame,t),r.dispatchEvent({type:e.type,data:e.inputSource})}}function fR(){const e=this._session,t=this._renderer;e.removeEventListener("select",this._onSessionEvent),e.removeEventListener("selectstart",this._onSessionEvent),e.removeEventListener("selectend",this._onSessionEvent),e.removeEventListener("squeeze",this._onSessionEvent),e.removeEventListener("squeezestart",this._onSessionEvent),e.removeEventListener("squeezeend",this._onSessionEvent),e.removeEventListener("end",this._onSessionEnd),e.removeEventListener("inputsourceschange",this._onInputSourcesChange);for(let e=0;e<this._controllers.length;e++){const t=this._controllerInputSources[e];null!==t&&(this._controllerInputSources[e]=null,this._controllers[e].disconnect(t))}if(this._currentDepthNear=null,this._currentDepthFar=null,null!==this._currentSamples&&(t._samples=this._currentSamples,this._currentSamples=null),t._resetXRState(),this._disposeWebGPUSession(),this._session=null,this._xrRenderTarget=null,this._glBinding=null,this._webgpuBinding=null,this._glBaseLayer=null,this._glProjLayer=null,!0===this._sessionUsesLayers)for(const e of this._layers)e.renderTarget=new lR(e.pixelwidth,e.pixelheight,{format:Ee,type:Ve,depthTexture:new Z(e.pixelwidth,e.pixelheight,e.stencilBuffer?Ze:S,void 0,void 0,void 0,void 0,void 0,void 0,e.stencilBuffer?je:He),stencilBuffer:e.stencilBuffer,resolveDepthBuffer:!1,resolveStencilBuffer:!1}),e.renderTarget.isXRRenderTarget=!1,e.plane.material=e.material,e.material.map=e.renderTarget.texture,e.material.map.offset.y=1,e.material.map.repeat.y=-1,delete e.xrlayer;this.isPresenting=!1,this._useMultiview=!1,t._animation.stop(),t._animation.setAnimationLoop(this._currentAnimationLoop),t._animation.setContext(this._currentAnimationContext),t._animation.start(),t.setPixelRatio(this._currentPixelRatio),t.setSize(this._currentSize.width,this._currentSize.height,!1),this.dispatchEvent({type:"sessionend"})}function yR(e){const t=this._controllers,r=this._controllerInputSources;for(let s=0;s<e.removed.length;s++){const i=e.removed[s],n=r.indexOf(i);n>=0&&(r[n]=null,t[n].disconnect(i))}for(let s=0;s<e.added.length;s++){const i=e.added[s];let n=r.indexOf(i);if(-1===n){for(let e=0;e<t.length;e++){if(e>=r.length){r.push(i),n=e;break}if(null===r[e]){r[e]=i,n=e;break}}if(-1===n)break}const a=t[n];a&&a.connect(i)}}function bR(e){return"quad"===e.type?this._glBinding.createQuadLayer({transform:new XRRigidTransform(e.translation,e.quaternion),width:e.width/2,height:e.height/2,space:this._referenceSpace,viewPixelWidth:e.pixelwidth,viewPixelHeight:e.pixelheight,clearOnAccess:!1}):this._glBinding.createCylinderLayer({transform:new XRRigidTransform(e.translation,e.quaternion),radius:e.radius,centralAngle:e.centralAngle,aspectRatio:e.aspectRatio,space:this._referenceSpace,viewPixelWidth:e.pixelwidth,viewPixelHeight:e.pixelheight,clearOnAccess:!1})}function xR(e,t){if(void 0===t)return;const r=this._cameraXR,i=this._renderer,n=i.backend,a=this._glBaseLayer,o=this.getReferenceSpace(),u=t.getViewerPose(o);if(this._xrFrame=t,null!==u){const e=u.views,t=this._isWebGPUSession()?this._getWebGPUViewData(e):null;null!==this._glBaseLayer&&null===t&&n.setXRTarget(a.framebuffer);let o=!1;e.length!==r.cameras.length&&(r.cameras.length=0,o=!0);for(let i=0;i<e.length;i++){const u=e[i];let l;if(null!==t)l=t.viewports[i];else if(!0===this._supportsLayers){const e=this._glBinding.getViewSubImage(this._glProjLayer,u);l=e.viewport,0===i&&n.setXRRenderTargetTextures(this._xrRenderTarget,e.colorTexture,this._glProjLayer.ignoreDepthValues&&!this._useMultiview?void 0:e.depthStencilTexture)}else l=a.getViewport(u);let d=this._cameras[i];void 0===d&&(d=new Se,d.layers.enable(i),d.viewport=new s,d.matrixWorldAutoUpdate=!1,this._cameras[i]=d),d.matrix.fromArray(u.transform.matrix),d.matrix.decompose(d.position,d.quaternion,d.scale),d.projectionMatrix.fromArray(u.projectionMatrix),d.projectionMatrixInverse.copy(d.projectionMatrix).invert(),d.viewport.set(l.x,l.y,l.width,l.height),0===i&&(r.matrix.copy(d.matrix),r.matrix.decompose(r.position,r.quaternion,r.scale)),!0===o&&r.cameras.push(d)}null!==t&&null!==t.colorTexture&&n.setXRRenderTargetTextures(this._xrRenderTarget,t.colorTexture,t.viewDescriptors),i.setOutputRenderTarget(this._xrRenderTarget);const l=i._getFrameBufferTarget();i.xr.foveateBoundTexture(l)}for(let e=0;e<this._controllers.length;e++){const r=this._controllerInputSources[e],s=this._controllers[e];null!==r&&void 0!==s&&s.update(r,t,o)}this._currentAnimationLoop&&this._currentAnimationLoop(e,t),t.detectedPlanes&&this.dispatchEvent({type:"planesdetected",data:t}),this._xrFrame=null}class TR extends u{constructor(e){super(),this.domElement=e,this._pixelRatio=1,this._width=this.domElement.width,this._height=this.domElement.height,this._viewport=new s(0,0,this._width,this._height),this._scissor=new s(0,0,this._width,this._height),this._scissorTest=!1,this.colorTexture=new K,this.depthTexture=new Z}getPixelRatio(){return this._pixelRatio}getDrawingBufferSize(e){return e.set(this._width*this._pixelRatio,this._height*this._pixelRatio).floor()}getSize(e){return e.set(this._width,this._height)}setPixelRatio(e=1){this._pixelRatio!==e&&(this._pixelRatio=e,this.setSize(this._width,this._height,!1))}setDrawingBufferSize(e,t,r){this.xr&&this.xr.isPresenting||(this._width=e,this._height=t,this._pixelRatio=r,this.domElement.width=Math.floor(e*r),this.domElement.height=Math.floor(t*r),this.setViewport(0,0,e,t),this._dispatchResize())}setSize(e,t,r=!0){this.xr&&this.xr.isPresenting||(this._width=e,this._height=t,this.domElement.width=Math.floor(e*this._pixelRatio),this.domElement.height=Math.floor(t*this._pixelRatio),!0===r&&(this.domElement.style.width=e+"px",this.domElement.style.height=t+"px"),this.setViewport(0,0,e,t),this._dispatchResize())}getScissor(e){const t=this._scissor;return e.x=t.x,e.y=t.y,e.width=t.width,e.height=t.height,e}setScissor(e,t,r,s){const i=this._scissor;e.isVector4?i.copy(e):i.set(e,t,r,s)}getScissorTest(){return this._scissorTest}setScissorTest(e){this._scissorTest=e}getViewport(e){return e.copy(this._viewport)}setViewport(e,t,r,s,i=0,n=1){const a=this._viewport;e.isVector4?a.copy(e):a.set(e,t,r,s),a.minDepth=i,a.maxDepth=n}_dispatchResize(){this.dispatchEvent({type:"resize"})}dispose(){this.dispatchEvent({type:"dispose"})}}const _R=new ue,vR=new t,NR=new s,SR=new Lt,RR=new Bt,ER=new a,wR=new s,AR={[St]:F,[F]:St,[P]:P};class CR{constructor(e,t={}){this.isRenderer=!0;const{logarithmicDepthBuffer:r=!1,reversedDepthBuffer:s=!1,alpha:i=!0,depth:n=!0,stencil:a=!1,antialias:o=!1,samples:u=0,getFallback:l=null,outputBufferType:d=Te,multiview:c=!1}=t;this.backend=e,this.autoClear=!0,this.autoClearColor=!0,this.autoClearDepth=!0,this.autoClearStencil=!0,this.alpha=i,this.logarithmicDepthBuffer=r,this.reversedDepthBuffer=s,this.outputColorSpace=ie,this.toneMapping=m,this.toneMappingExposure=1,this.sortObjects=!0,this.depth=n,this.stencil=a,this.info=new sb,this.contextNode=Lu(),this.library=new nR,this.lighting=new uR,this._samples=u||!0===o?4:0,this._onCanvasTargetResize=this._onCanvasTargetResize.bind(this),this._canvasTarget=new TR(e.getDomElement()),this._canvasTarget.addEventListener("resize",this._onCanvasTargetResize),this._canvasTarget.isDefaultCanvasTarget=!0,this._inspector=new kl,this._inspector.setRenderer(this),this._getFallback=l,this._attributes=null,this._geometries=null,this._nodes=null,this._animation=null,this._bindings=null,this._objects=null,this._pipelines=null,this._bundles=null,this._renderLists=null,this._renderContexts=null,this._textures=null,this._background=null,this._quadCache=new Map,this._currentRenderContext=null,this._opaqueSort=null,this._transparentSort=null,this._frameBufferTargets=new Map;const h=!0===this.alpha?0:1;this._clearColor=new Sb(0,0,0,h),this._clearDepth=1,this._clearStencil=0,this._renderTarget=null,this._activeCubeFace=0,this._activeMipmapLevel=0,this._outputRenderTarget=null,this._mrt=null,this._renderObjectFunction=null,this._currentRenderObjectFunction=null,this._currentRenderBundle=null,this._handleObjectFunction=this._renderObjectDirect,this._isDeviceLost=!1,this.onDeviceLost=this._onDeviceLost,this.onError=this._onError,this._outputBufferType=d,this._cacheShadowNodes=new WeakMap,this._initialized=!1,this._callDepth=-1,this._initPromise=null,this._compilationPromises=null,this._currentSourceMaterial=null,this.transparent=!0,this.opaque=!0,this.shadowMap={enabled:!1,transmitted:!1,type:ct},this.xr=new pR(this,c),this.debug={checkShaderErrors:!0,onShaderError:null,getShaderAsync:async(e,t,r)=>{await this.compileAsync(r,t,e);const s=this.needsFrameBufferTarget&&null===this._renderTarget?this._getFrameBufferTarget():this._renderTarget||this._outputRenderTarget,i=this._renderLists.get(e,t),n=this._renderContexts.get(s,this._mrt),a=e.overrideMaterial||r.material,o=this._objects.get(r,a,e,t,i.lightsNode,n,n.clippingContext),{fragmentShader:u,vertexShader:l}=o.getNodeBuilderState();return{fragmentShader:u,vertexShader:l}}}}async init(){return null!==this._initPromise||(this._initPromise=new Promise(async(e,t)=>{let r=this.backend;try{await r.init(this)}catch(e){if(null===this._getFallback)return void t(e);try{this.backend=r=this._getFallback(e),await r.init(this)}catch(e){return void t(e)}}this._nodes=new JS(this,r),this._animation=new ky(this,this._nodes,this.info),this._attributes=new Zy(r,this.info),this._background=new jN(this,this._nodes),this._geometries=new rb(this._attributes,this.info),this._textures=new Nb(this,r,this.info),this._pipelines=new lb(r,this._nodes,this.info),this._bindings=new db(r,this._nodes,this._textures,this._attributes,this._pipelines,this.info),this._objects=new Hy(this,this._nodes,this._geometries,this._pipelines,this._bindings,this.info),this._renderLists=new yb(this.lighting),this._bundles=new iR,this._renderContexts=new _b(this),this._animation.start(),this._initialized=!0,this._inspector.init(),e(this)})),this._initPromise}get domElement(){return this._canvasTarget.domElement}get coordinateSystem(){return this.backend.coordinateSystem}async compileAsync(e,t,r=null){if(!0===this._isDeviceLost)return;!1===this._initialized&&await this.init();const s=this._nodes.nodeFrame,i=s.renderId,n=this._currentRenderContext,a=this._currentRenderObjectFunction,o=this._handleObjectFunction,u=this._compilationPromises;null===r&&(r=e);const l=!0===e.isScene?e:!0===r.isScene?r:_R,d=this.needsFrameBufferTarget&&null===this._renderTarget?this._getFrameBufferTarget():this._renderTarget||this._outputRenderTarget,c=this._renderContexts.get(d,this._mrt),h=this._activeMipmapLevel,p=[];this._currentRenderContext=c,this._currentRenderObjectFunction=this.renderObject,this._handleObjectFunction=this._createObjectPipeline,this._compilationPromises=p,s.renderId++,s.update(),c.depth=this.depth,c.stencil=this.stencil,c.clippingContext||(c.clippingContext=new tR),c.clippingContext.updateGlobal(l,t),!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),t=this._updateCamera(t),l.onBeforeRender(this,e,t,d);const g=t.isArrayCamera?RR:SR;t.isArrayCamera||(ER.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),g.setFromProjectionMatrix(ER,t.coordinateSystem,t.reversedDepth));const m=this._renderLists.get(l,t);if(m.begin(),this._projectObject(e,t,0,m,c.clippingContext),r!==e&&r.traverseVisible(function(e){e.isLight&&e.layers.test(t.layers)&&m.pushLight(e)}),m.finish(),null!==d){this._textures.updateRenderTarget(d,h);const e=this._textures.get(d);c.textures=e.textures,c.depthTexture=e.depthTexture}else c.textures=null,c.depthTexture=null;r!==e?this._background.update(r,m,c):this._background.update(l,m,c);const f=m.opaque,y=m.transparent,b=m.transparentDoublePass,x=m.lightsNode;!0===this.opaque&&f.length>0&&this._renderObjects(f,t,l,x),!0===this.transparent&&y.length>0&&this._renderTransparents(y,b,t,l,x),s.renderId=i,this._currentRenderContext=n,this._currentRenderObjectFunction=a,this._handleObjectFunction=o,this._compilationPromises=u;for(const e of p){const t=this._objects.get(e.object,e.material,e.scene,e.camera,e.lightsNode,e.renderContext,e.clippingContext,e.passId);t.drawRange=e.object.geometry.drawRange,t.group=e.group,this._geometries.updateForRender(t),await this._nodes.getForRenderAsync(t),this._nodes.updateBefore(t),this._nodes.updateForRender(t),this._bindings.updateForRender(t);const r=[];this._pipelines.getForRender(t,r),r.length>0&&await Promise.all(r),this._nodes.updateAfter(t),await Tt()}}async renderAsync(e,t){v('Renderer: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.render(e,t)}async waitForGPU(){o("Renderer: waitForGPU() has been removed. Read https://github.com/mrdoob/three.js/issues/32012 for more information.")}set inspector(e){null!==this._inspector&&this._inspector.setRenderer(null),this._inspector=e,this._inspector.setRenderer(this)}get inspector(){return this._inspector}set highPrecision(e){const t=this.contextNode.value;!0===e?(t.modelViewMatrix=dc,t.modelNormalViewMatrix=cc):this.highPrecision&&(delete t.modelViewMatrix,delete t.modelNormalViewMatrix)}get highPrecision(){const e=this.contextNode.value;return e.modelViewMatrix===dc&&e.modelNormalViewMatrix===cc}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}getOutputBufferType(){return this._outputBufferType}getColorBufferType(){return v('Renderer: ".getColorBufferType()" has been renamed to ".getOutputBufferType()".'),this.getOutputBufferType()}_onDeviceLost(e){let t=`THREE.WebGPURenderer: ${e.api} Device Lost:\n\nMessage: ${e.message}`;e.reason&&(t+=`\nReason: ${e.reason}`),o(t),this._isDeviceLost=!0}_onError(e){let t=`WebGPURenderer: Uncaptured ${e.api} ${e.type}`;e.message&&(t+=`: ${e.message}`),o(t)}_renderBundle(e,t,r){const{bundleGroup:s,camera:i,renderList:n}=e,a=this._currentRenderContext,o=this._bundles.get(s,i,a),u=this.backend.get(o),l=s.version!==u.version;if(l||void 0===u.bundleGPU){this.backend.beginBundle(a),(void 0===u.renderObjects||l)&&(u.renderObjects=[]),this._currentRenderBundle=o;const{transparentDoublePass:e,transparent:d,opaque:c}=n;!0===this.opaque&&c.length>0&&this._renderObjects(c,i,t,r),!0===this.transparent&&d.length>0&&this._renderTransparents(d,e,i,t,r),this._currentRenderBundle=null,this.backend.finishBundle(a,o),u.version=s.version}else{const{renderObjects:e}=u;for(let t=0,r=e.length;t<r;t++){const r=e[t];this._nodes.needsRefresh(r)&&(this._nodes.updateBefore(r),this._nodes.updateForRender(r),this._bindings.updateForRender(r),this._nodes.updateAfter(r))}}this.backend.addBundle(a,o)}render(e,t){if(!1===this._initialized)throw new Error('THREE.Renderer: .render() called before the backend is initialized. Use "await renderer.init();" before rendering.');this._renderScene(e,t)}get initialized(){return this._initialized}_renderOutputLayers(e,t){if(!0!==t.texture.isArrayTexture||t.texture.image.depth<=1)return void this._renderScene(e,e.camera,!1);const r=this._activeCubeFace;try{for(let r=0;r<t.texture.image.depth;r++)this._nodes.setOutputLayerIndex(r),this._activeCubeFace=r,this._renderScene(e,e.camera,!1)}finally{this._nodes.setOutputLayerIndex(0),this._activeCubeFace=r}}_getFrameBufferTarget(){const{currentToneMapping:e,currentColorSpace:t}=this,r=e!==m,s=t!==p.workingColorSpace;if(!1===r&&!1===s)return null;const{width:i,height:n}=this.getDrawingBufferSize(vR),{depth:a,stencil:o}=this,u=this._outputRenderTarget||this._canvasTarget;let l=this._frameBufferTargets.get(u);if(void 0===l){l=new ne(i,n,{depthBuffer:a,stencilBuffer:o,type:this._outputBufferType,format:Ee,colorSpace:p.workingColorSpace,generateMipmaps:!1,minFilter:le,magFilter:le,samples:this.samples}),l.isPostProcessingRenderTarget=!0;const e=()=>{u.removeEventListener("dispose",e),l.dispose(),this._frameBufferTargets.delete(u)};u.addEventListener("dispose",e),this._frameBufferTargets.set(u,l)}const d=this.getOutputRenderTarget();l.depthBuffer=a,l.stencilBuffer=o,null!==d?l.setSize(d.width,d.height,d.depth):l.setSize(i,n,1);const c=this._outputRenderTarget?this._outputRenderTarget.viewport:u._viewport,h=this._outputRenderTarget?this._outputRenderTarget.scissor:u._scissor,g=this._outputRenderTarget?1:u._pixelRatio,f=this._outputRenderTarget?this._outputRenderTarget.scissorTest:u._scissorTest;return l.viewport.copy(c),l.scissor.copy(h),l.viewport.multiplyScalar(g),l.scissor.multiplyScalar(g),l.scissorTest=f,l.multiview=null!==d&&d.multiview,l.useArrayDepthTexture=null!==d&&d.useArrayDepthTexture,l.resolveDepthBuffer=null===d||d.resolveDepthBuffer,l._autoAllocateDepthBuffer=null!==d&&d._autoAllocateDepthBuffer,l}_renderScene(e,t,r=!0){if(!0===this._isDeviceLost)return;const s=r?this._getFrameBufferTarget():null,i=this._nodes.nodeFrame,n=i.renderId,a=this._currentRenderContext,o=this._currentRenderObjectFunction,u=this._handleObjectFunction;this._callDepth++;const l=!0===e.isScene?e:_R,d=this._renderTarget||this._outputRenderTarget,c=this._activeCubeFace,h=this._activeMipmapLevel;let p;if(null!==s?(p=s,this.setRenderTarget(p)):p=d,null!==p&&!0===p.depthBuffer){const e=this._textures.get(p);!0!==e.depthInitialized&&((!1===this.autoClear||!0===this.autoClear&&!1===this.autoClearDepth)&&this.clearDepth(),e.depthInitialized=!0)}const g=this._renderContexts.get(p,this._mrt,this._callDepth);this._currentRenderContext=g,this._currentRenderObjectFunction=this._renderObjectFunction||this.renderObject,this._handleObjectFunction=this._renderObjectDirect,this.info.calls++,this.info.render.calls++,this.info.render.frameCalls++,i.renderId=this.info.calls,this.backend.updateTimeStampUID(g),this.inspector.beginRender(this.backend.getTimestampUID(g),e,t,p),!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),t=this._updateCamera(t);const m=this._canvasTarget;let f=m._viewport,y=m._scissor,b=m._pixelRatio;null!==p&&(f=p.viewport,y=p.scissor,b=1),this.getDrawingBufferSize(vR),NR.set(0,0,vR.width,vR.height);const x=void 0===f.minDepth?0:f.minDepth,T=void 0===f.maxDepth?1:f.maxDepth;g.viewportValue.copy(f).multiplyScalar(b).floor(),g.viewportValue.width>>=h,g.viewportValue.height>>=h,g.viewportValue.minDepth=x,g.viewportValue.maxDepth=T,g.viewport=!1===g.viewportValue.equals(NR),g.scissorValue.copy(y).multiplyScalar(b).floor(),g.scissor=m._scissorTest&&!1===g.scissorValue.equals(NR),g.scissorValue.width>>=h,g.scissorValue.height>>=h,g.clippingContext||(g.clippingContext=new tR),g.clippingContext.updateGlobal(l,t),l.onBeforeRender(this,e,t,p);const _=t.isArrayCamera?RR:SR;t.isArrayCamera||(ER.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),_.setFromProjectionMatrix(ER,t.coordinateSystem,t.reversedDepth));const v=this._renderLists.get(e,t);if(v.begin(),this._projectObject(e,t,0,v,g.clippingContext),v.finish(),!0===this.sortObjects&&v.sort(this._opaqueSort,this._transparentSort,t.reversedDepth),null!==p){this._textures.updateRenderTarget(p,h);const e=this._textures.get(p);g.textures=e.textures,g.depthTexture=e.depthTexture,g.width=e.width,g.height=e.height,g.renderTarget=p,g.depth=p.depthBuffer,g.stencil=p.stencilBuffer}else g.textures=null,g.depthTexture=null,g.width=vR.width,g.height=vR.height,g.depth=this.depth,g.stencil=this.stencil;g.width>>=h,g.height>>=h,g.activeCubeFace=c,g.activeMipmapLevel=h,g.occlusionQueryCount=v.occlusionQueryCount,g.scissorValue.max(wR.set(0,0,0,0)),g.scissorValue.x+g.scissorValue.width>g.width&&(g.scissorValue.width=Math.max(g.width-g.scissorValue.x,0)),g.scissorValue.y+g.scissorValue.height>g.height&&(g.scissorValue.height=Math.max(g.height-g.scissorValue.y,0)),this._background.update(l,v,g),g.camera=t,this.backend.beginRender(g);const{bundles:N,lightsNode:S,transparentDoublePass:R,transparent:E,opaque:w}=v;return N.length>0&&this._renderBundles(N,l,S),!0===this.opaque&&w.length>0&&this._renderObjects(w,t,l,S),!0===this.transparent&&E.length>0&&this._renderTransparents(E,R,t,l,S),this.backend.finishRender(g),i.renderId=n,this._currentRenderContext=a,this._currentRenderObjectFunction=o,this._handleObjectFunction=u,this._callDepth--,null!==s&&(this.setRenderTarget(d,c,h),this._renderOutput(p)),l.onAfterRender(this,e,t,p),this.inspector.finishRender(this.backend.getTimestampUID(g)),g}_setXRLayerSize(e,t){this._canvasTarget._width=e,this._canvasTarget._height=t,this.setViewport(0,0,e,t)}_renderOutput(e){const t=this._nodes.getOutputCacheKey();let r,s=this._quadCache.get(e.texture);if(void 0===s){r=new Dx(new Ug),r.name="Output Color Transform",r.material.name="outputColorTransform",r.material.fragmentNode=this._nodes.getOutputNode(e.texture),s={quad:r,cacheKey:t},this._quadCache.set(e.texture,s);const i=()=>{r.material.dispose(),this._quadCache.delete(e.texture),e.texture.removeEventListener("dispose",i)};e.texture.addEventListener("dispose",i)}else r=s.quad,s.cacheKey!==t&&(r.material.fragmentNode=this._nodes.getOutputNode(e.texture),r.material.needsUpdate=!0,s.cacheKey=t);const i=this.autoClear,n=this.xr.enabled;this.autoClear=!1,this.xr.enabled=!1,this._renderOutputLayers(r,e),this.autoClear=i,this.xr.enabled=n}getMaxAnisotropy(){return this.backend.capabilities.getMaxAnisotropy()}getActiveCubeFace(){return this._activeCubeFace}getActiveMipmapLevel(){return this._activeMipmapLevel}async setAnimationLoop(e){!1===this._initialized&&await this.init(),this._animation.setAnimationLoop(e)}getAnimationLoop(){return this._animation.getAnimationLoop()}async getArrayBufferAsync(e,t=null,r=0,s=-1){if(null!==t&&t.isReadbackBuffer&&!1===this.info.memoryMap.has(t)){this.info.createReadbackBuffer(t);const e=()=>{t.removeEventListener("dispose",e),this.info.destroyReadbackBuffer(t)};t.addEventListener("dispose",e)}if(r%4!=0||s>0&&s%4!=0)throw new Error('THREE.Renderer: "getArrayBufferAsync()" offset and count must be a multiple of 4.');return await this.backend.getArrayBufferAsync(e,t,r,s)}getContext(){return this.backend.getContext()}getPixelRatio(){return this._canvasTarget.getPixelRatio()}getDrawingBufferSize(e){return this._canvasTarget.getDrawingBufferSize(e)}getSize(e){return this._canvasTarget.getSize(e)}setPixelRatio(e=1){this._canvasTarget.setPixelRatio(e)}setDrawingBufferSize(e,t,r){this.xr&&this.xr.isPresenting||this._canvasTarget.setDrawingBufferSize(e,t,r)}setSize(e,t,r=!0){this.xr&&this.xr.isPresenting||this._canvasTarget.setSize(e,t,r)}setOpaqueSort(e){this._opaqueSort=e}setTransparentSort(e){this._transparentSort=e}getScissor(e){return this._canvasTarget.getScissor(e)}setScissor(e,t,r,s){this._canvasTarget.setScissor(e,t,r,s)}getScissorTest(){return this._canvasTarget.getScissorTest()}setScissorTest(e){this._canvasTarget.setScissorTest(e),this.backend.setScissorTest(e)}getViewport(e){return this._canvasTarget.getViewport(e)}setViewport(e,t,r,s,i=0,n=1){this._canvasTarget.setViewport(e,t,r,s,i,n)}getClearColor(e){return e.copy(this._clearColor)}setClearColor(e,t=1){this._clearColor.set(e),this._clearColor.a=t}getClearAlpha(){return this._clearColor.a}setClearAlpha(e){this._clearColor.a=e}getClearDepth(){return!0===this.reversedDepthBuffer?1-this._clearDepth:this._clearDepth}setClearDepth(e){this._clearDepth=e}getClearStencil(){return this._clearStencil}setClearStencil(e){this._clearStencil=e}isOccluded(e){const t=this._currentRenderContext;return t&&this.backend.isOccluded(t,e)}clear(e=!0,t=!0,r=!0){if(!1===this._initialized)throw new Error('THREE.Renderer: .clear() called before the backend is initialized. Use "await renderer.init();" before using this method.');const s=this._renderTarget||this._getFrameBufferTarget();let i=null;if(null!==s){this._textures.updateRenderTarget(s);const e=this._textures.get(s);i=this._renderContexts.get(s,null,-1),i.textures=e.textures,i.depthTexture=e.depthTexture,i.width=e.width,i.height=e.height,i.renderTarget=s,i.depth=s.depthBuffer,i.stencil=s.stencilBuffer;const t=this.backend.getClearColor();i.clearColorValue.r=t.r,i.clearColorValue.g=t.g,i.clearColorValue.b=t.b,i.clearColorValue.a=t.a,i.clearDepthValue=this.getClearDepth(),i.clearStencilValue=this.getClearStencil(),i.activeCubeFace=this.getActiveCubeFace(),i.activeMipmapLevel=this.getActiveMipmapLevel(),!0===s.depthBuffer&&(e.depthInitialized=!0)}this.backend.clear(e,t,r,i),null!==s&&null===this._renderTarget&&this._renderOutput(s)}clearColor(){this.clear(!0,!1,!1)}clearDepth(){this.clear(!1,!0,!1)}clearStencil(){this.clear(!1,!1,!0)}async clearAsync(e=!0,t=!0,r=!0){v('Renderer: "clearAsync()" has been deprecated. Use "clear()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.clear(e,t,r)}async clearColorAsync(){v('Renderer: "clearColorAsync()" has been deprecated. Use "clearColor()" and "await renderer.init();" when creating the renderer.'),this.clear(!0,!1,!1)}async clearDepthAsync(){v('Renderer: "clearDepthAsync()" has been deprecated. Use "clearDepth()" and "await renderer.init();" when creating the renderer.'),this.clear(!1,!0,!1)}async clearStencilAsync(){v('Renderer: "clearStencilAsync()" has been deprecated. Use "clearStencil()" and "await renderer.init();" when creating the renderer.'),this.clear(!1,!1,!0)}get needsFrameBufferTarget(){const e=this.currentToneMapping!==m,t=this.currentColorSpace!==p.workingColorSpace;return e||t}get samples(){return this._samples}get currentSamples(){let e=this._samples;return null!==this._renderTarget?e=this._renderTarget.samples:this.needsFrameBufferTarget&&(e=0),e}get currentToneMapping(){return this.isOutputTarget?this.toneMapping:m}get currentColorSpace(){return this.isOutputTarget?this.outputColorSpace:p.workingColorSpace}get isOutputTarget(){return this._renderTarget===this._outputRenderTarget||null===this._renderTarget}dispose(){if(!0===this._initialized){this.info.dispose(),this.backend.dispose(),this._animation.dispose(),this._objects.dispose(),this._geometries.dispose(),this._pipelines.dispose(),this._nodes.dispose(),this._bindings.dispose(),this._renderLists.dispose(),this._renderContexts.dispose(),this._textures.dispose();for(const e of this._frameBufferTargets.keys())e.dispose();Object.values(this.backend.timestampQueryPool).forEach(e=>{null!==e&&e.dispose()})}this.setRenderTarget(null),this.setAnimationLoop(null)}setRenderTarget(e,t=0,r=0){this._renderTarget=e,this._activeCubeFace=t,this._activeMipmapLevel=r}getRenderTarget(){return this._renderTarget}setOutputRenderTarget(e){this._outputRenderTarget=e}getOutputRenderTarget(){return this._outputRenderTarget}setCanvasTarget(e){this._canvasTarget.removeEventListener("resize",this._onCanvasTargetResize),this._canvasTarget=e,this._canvasTarget.addEventListener("resize",this._onCanvasTargetResize)}getCanvasTarget(){return this._canvasTarget}_resetXRState(){this.backend.setXRTarget(null),this.setOutputRenderTarget(null),this.setRenderTarget(null);for(const e of this._frameBufferTargets.keys())e.dispose()}setRenderObjectFunction(e){this._renderObjectFunction=e}getRenderObjectFunction(){return this._renderObjectFunction}compute(e,t=null){if(!0===this._isDeviceLost)return;if(!1===this._initialized)return d("Renderer: .compute() called before the backend is initialized. Try using .computeAsync() instead."),this.computeAsync(e,t);const r=this._nodes.nodeFrame,s=r.renderId;this.info.calls++,this.info.compute.calls++,this.info.compute.frameCalls++,r.renderId=this.info.calls,this.backend.updateTimeStampUID(e),this.inspector.beginCompute(this.backend.getTimestampUID(e),e);const i=this.backend,n=this._pipelines,a=this._bindings,o=this._nodes,u=Array.isArray(e)?e:[e];if(void 0===u[0]||!0!==u[0].isComputeNode)throw new Error("THREE.Renderer: .compute() expects a ComputeNode.");i.beginCompute(e);for(const r of u){if(!1===n.has(r)){const e=()=>{r.removeEventListener("dispose",e),n.delete(r),a.deleteForCompute(r),o.delete(r)};r.addEventListener("dispose",e);const t=r.onInitFunction;null!==t&&t.call(r,{renderer:this})}o.updateForCompute(r),a.updateForCompute(r);const s=a.getForCompute(r),u=n.getForCompute(r,s);i.compute(e,r,s,u,t)}i.finishCompute(e),r.renderId=s,this.inspector.finishCompute(this.backend.getTimestampUID(e))}async computeAsync(e,t=null){!1===this._initialized&&await this.init(),this.compute(e,t)}async hasFeatureAsync(e){return v('Renderer: "hasFeatureAsync()" has been deprecated. Use "hasFeature()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.hasFeature(e)}async resolveTimestampsAsync(e="render"){return!1===this._initialized&&await this.init(),this.backend.resolveTimestampsAsync(e)}hasFeature(e){if(!1===this._initialized)throw new Error('THREE.Renderer: .hasFeature() called before the backend is initialized. Use "await renderer.init();" before using this method.');return this.backend.hasFeature(e)}hasInitialized(){return this._initialized}async initTextureAsync(e){v('Renderer: "initTextureAsync()" has been deprecated. Use "initTexture()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.initTexture(e)}initTexture(e){if(!1===this._initialized)throw new Error('THREE.Renderer: .initTexture() called before the backend is initialized. Use "await renderer.init();" before using this method.');this._textures.updateTexture(e)}initRenderTarget(e){if(!1===this._initialized)throw new Error('THREE.Renderer: .initRenderTarget() called before the backend is initialized. Use "await renderer.init();" before using this method.');this._textures.updateRenderTarget(e);const t=this._textures.get(e),r=this._renderContexts.get(e);r.textures=t.textures,r.depthTexture=t.depthTexture,r.width=t.width,r.height=t.height,r.renderTarget=e,r.depth=e.depthBuffer,r.stencil=e.stencilBuffer,this.backend.initRenderTarget(r)}copyFramebufferToTexture(e,t=null){if(null!==t)if(t.isVector2)t=wR.set(t.x,t.y,e.image.width,e.image.height).floor();else{if(!t.isVector4)return void o("Renderer.copyFramebufferToTexture: Invalid rectangle.");t=wR.copy(t).floor()}else t=wR.set(0,0,e.image.width,e.image.height);let r,s=this._currentRenderContext;null!==s?r=s.renderTarget:(r=this._renderTarget||this._getFrameBufferTarget(),null!==r&&(this._textures.updateRenderTarget(r),s=this._textures.get(r))),this._textures.updateTexture(e,{renderTarget:r}),this.backend.copyFramebufferToTexture(e,s,t),this._inspector.copyFramebufferToTexture(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){this._textures.updateTexture(e),this._textures.updateTexture(t),this.backend.copyTextureToTexture(e,t,r,s,i,n),this._inspector.copyTextureToTexture(e,t)}async readRenderTargetPixelsAsync(e,t,r,s,i,n=0,a=0){return this.backend.copyTextureToBuffer(e.textures[n],t,r,s,i,a)}_projectObject(e,t,r,s,i){if(!1===e.visible)return;if(e.layers.test(t.layers))if(e.isGroup)r=e.renderOrder,e.isClippingGroup&&e.enabled&&(i=i.getGroupContext(e));else if(e.isLOD)!0===e.autoUpdate&&e.update(t);else if(e.isLight)s.pushLight(e);else if(e.isSprite){const n=t.isArrayCamera?RR:SR;if(!e.frustumCulled||n.intersectsSprite(e,t)){!0===this.sortObjects&&wR.setFromMatrixPosition(e.matrixWorld).applyMatrix4(ER);const{geometry:t,material:n}=e;n.visible&&s.push(e,t,n,r,wR.z,null,i)}}else if(e.isLineLoop)o("Renderer: Objects of type THREE.LineLoop are not supported. Please use THREE.Line or THREE.LineSegments.");else if(e.isMesh||e.isLine||e.isPoints){const n=t.isArrayCamera?RR:SR;if(!e.frustumCulled||n.intersectsObject(e,t)){const{geometry:t,material:n}=e;if(!0===this.sortObjects&&(null===t.boundingSphere&&t.computeBoundingSphere(),wR.copy(t.boundingSphere.center).applyMatrix4(e.matrixWorld).applyMatrix4(ER)),Array.isArray(n)){const a=t.groups;for(let o=0,u=a.length;o<u;o++){const u=a[o],l=n[u.materialIndex];l&&l.visible&&s.push(e,t,l,r,wR.z,u,i)}}else n.visible&&s.push(e,t,n,r,wR.z,null,i)}}if(!0===e.isBundleGroup&&void 0!==this.backend.beginBundle){const r=s;(s=this._renderLists.get(e,t)).begin(),r.pushBundle({bundleGroup:e,camera:t,renderList:s}),s.finish()}const n=e.children;for(let e=0,a=n.length;e<a;e++)this._projectObject(n[e],t,r,s,i)}_renderBundles(e,t,r){for(const s of e)this._renderBundle(s,t,r)}_renderTransparents(e,t,r,s,i){if(t.length>0){for(const{material:e}of t)e.side=F;this._renderObjects(t,r,s,i,"backSide");for(const{material:e}of t)e.side=St;this._renderObjects(e,r,s,i);for(const{material:e}of t)e.side=P}else this._renderObjects(e,r,s,i)}_renderObjects(e,t,r,s,i=null){for(let n=0,a=e.length;n<a;n++){const{object:a,geometry:o,material:u,group:l,clippingContext:d}=e[n];this._currentRenderObjectFunction(a,r,t,o,u,l,s,d,i)}}_getShadowNodes(e){const t=e.version;let r=this._cacheShadowNodes.get(e);if(void 0===r||r.version!==t){const s=null!==e.map,i=e.colorNode&&e.colorNode.isNode,n=e.castShadowNode&&e.castShadowNode.isNode,a=e.maskShadowNode&&e.maskShadowNode.isNode||e.maskNode&&e.maskNode.isNode;let o=null,u=null,l=null;if(s||i||n||a){let t,r;if(n?(t=e.castShadowNode.rgb,r=e.castShadowNode.a,!0!==this.shadowMap.transmitted&&v("Renderer: `shadowMap.transmitted` needs to be set to `true` when using `material.castShadowNode`.")):(t=An(0),r=Tn(1)),s&&(r=r.mul(Qc("map","texture",e).a)),i&&(r=r.mul(e.colorNode.a)),u=Ln(t,r),a){const t=e.maskShadowNode||e.maskNode;u=gn(([e])=>(t.not().discard(),e))(u)}}e.depthNode&&e.depthNode.isNode&&(l=e.depthNode),e.castShadowPositionNode&&e.castShadowPositionNode.isNode?o=e.castShadowPositionNode:e.positionNode&&e.positionNode.isNode&&(o=e.positionNode),r={version:t,colorNode:u,depthNode:l,positionNode:o},this._cacheShadowNodes.set(e,r)}return r}_updateCamera(e){const t=this.xr;if(!1===t.isPresenting){let t=!1;if(!0===this.reversedDepthBuffer&&!0!==e.reversedDepth){if(e._reversedDepth=!0,e.isArrayCamera)for(const t of e.cameras)t._reversedDepth=!0;t=!0}const r=this.coordinateSystem;if(e.coordinateSystem!==r){if(e.coordinateSystem=r,e.isArrayCamera)for(const t of e.cameras)t.coordinateSystem=r;t=!0}if(!0===t&&(e.updateProjectionMatrix(),e.isArrayCamera))for(const t of e.cameras)t.updateProjectionMatrix()}return null===e.parent&&!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),!0===t.enabled&&!0===t.isPresenting&&(!0===t.cameraAutoUpdate&&t.updateCamera(e),e=t.getCamera()),e}renderObject(e,t,r,s,i,n,a,o=null,u=null){let l,d,c,h,p=!1;const g=this._currentSourceMaterial;if(e.onBeforeRender(this,t,r,s,i,n),!0===i.allowOverride&&null!==t.overrideMaterial){this._currentSourceMaterial=i;const e=t.overrideMaterial;if(p=!0,l=e.isNodeMaterial?e.colorNode:null,d=e.isNodeMaterial?e.depthNode:null,c=e.isNodeMaterial?e.positionNode:null,h=t.overrideMaterial.side,i.positionNode&&i.positionNode.isNode&&(e.positionNode=i.positionNode),e.alphaTest=i.alphaTest,e.alphaMap=i.alphaMap,e.transparent=i.transparent||i.transmission>0||i.transmissionNode&&i.transmissionNode.isNode||i.backdropNode&&i.backdropNode.isNode,e.isShadowPassMaterial){const{colorNode:t,depthNode:r,positionNode:s}=this._getShadowNodes(i);this.shadowMap.type===pt?e.side=null!==i.shadowSide?i.shadowSide:i.side:e.side=null!==i.shadowSide?i.shadowSide:AR[i.side],null!==t&&(e.colorNode=t),null!==r&&(e.depthNode=r),null!==s&&(e.positionNode=s)}i=e}!0===i.transparent&&i.side===P&&!1===i.forceSinglePass?(i.side=F,this._handleObjectFunction(e,i,t,r,a,n,o,"backSide"),i.side=St,this._handleObjectFunction(e,i,t,r,a,n,o,u),i.side=P):this._handleObjectFunction(e,i,t,r,a,n,o,u),p&&(t.overrideMaterial.colorNode=l,t.overrideMaterial.depthNode=d,t.overrideMaterial.positionNode=c,t.overrideMaterial.side=h),this._currentSourceMaterial=g,e.onAfterRender(this,t,r,s,i,n)}hasCompatibility(e){if(!1===this._initialized)throw new Error('THREE.Renderer: .hasCompatibility() called before the backend is initialized. Use "await renderer.init();" before using this method.');return this.backend.hasCompatibility(e)}_renderObjectDirect(e,t,r,s,i,n,a,o){const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,a,o);if(u.drawRange=e.geometry.drawRange,u.group=n,null!==this._currentRenderBundle){this.backend.get(this._currentRenderBundle).renderObjects.push(u),u.bundle=this._currentRenderBundle.bundleGroup}const l=this._nodes.needsRefresh(u);l&&(this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u)),this._pipelines.updateForRender(u),this._pipelines.isReady(u)&&(this.backend.draw(u,this.info),l&&this._nodes.updateAfter(u))}_createObjectPipeline(e,t,r,s,i,n,a,o){if(null!==this._compilationPromises)return void this._compilationPromises.push({object:e,material:t,scene:r,camera:s,lightsNode:i,group:n,clippingContext:a,passId:o,renderContext:this._currentRenderContext});const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,a,o);u.drawRange=e.geometry.drawRange,u.group=n,this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u),this._pipelines.getForRender(u,this._compilationPromises),this._nodes.updateAfter(u)}_onCanvasTargetResize(){this._initialized&&this.backend.updateSize()}get compile(){return this.compileAsync}}class MR{constructor(e=""){this.name=e,this.visibility=0}setVisibility(e){this.visibility|=e}getVisibility(){return this.visibility}clone(){return Object.assign(new this.constructor,this)}}function BR(e){return e+(Qy-e%Qy)%Qy}class LR extends MR{constructor(e,t=null){super(e),this.isBuffer=!0,this.bytesPerElement=Float32Array.BYTES_PER_ELEMENT,this._buffer=t,this._updateRanges=[]}get updateRanges(){return this._updateRanges}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}get byteLength(){return BR(this._buffer.byteLength)}get buffer(){return this._buffer}update(){return!0}release(){this._buffer=null}}class FR extends LR{constructor(e,t=null){super(e,t),this.isUniformBuffer=!0}}let PR=0;class UR extends FR{constructor(e,t){super("UniformBuffer_"+PR++,e?e.value:null),this.nodeUniform=e,this.groupNode=t,this.isNodeUniformBuffer=!0}set updateRanges(e){this.nodeUniform.updateRanges=e}get updateRanges(){return this.nodeUniform.updateRanges}addUpdateRange(e,t){this.nodeUniform.addUpdateRange(e,t)}clearUpdateRanges(){this.nodeUniform.clearUpdateRanges()}get byteLength(){return BR(this.buffer.byteLength)}get buffer(){return this.nodeUniform.value}}class DR extends FR{constructor(e){super(e),this.isUniformsGroup=!0,this._values=null,this.uniforms=[],this._updateRangeCache=new Map,this._addedIndices=new Set}addUniformUpdateRange(e){const t=e.index;if(this._addedIndices.has(t))return;let r=this._updateRangeCache.get(t);void 0===r&&(r={start:0,count:0},this._updateRangeCache.set(t,r)),r.start=e.offset,r.count=e.itemSize,this._addedIndices.add(t),this.updateRanges.push(r)}clearUpdateRanges(){this._addedIndices.clear(),super.clearUpdateRanges()}addUniform(e){return this.uniforms.push(e),this}removeUniform(e){const t=this.uniforms.indexOf(e);return-1!==t&&this.uniforms.splice(t,1),this}get values(){return null===this._values&&(this._values=Array.from(this.buffer)),this._values}get buffer(){let e=this._buffer;if(null===e){const t=this.byteLength;e=new Float32Array(new ArrayBuffer(t)),this._buffer=e}return e}get byteLength(){const e=this.bytesPerElement;let t=0;for(let r=0,s=this.uniforms.length;r<s;r++){const s=this.uniforms[r],i=s.boundary,n=s.itemSize*e,a=t%Qy,o=a%i,u=a+o;t+=o,0!==u&&Qy-u<n&&(t+=Qy-u),s.offset=t/e,s.index=r,t+=n}return Math.ceil(t/Qy)*Qy}update(){let e=!1;for(const t of this.uniforms)!0===this.updateByType(t)&&(e=!0);return e}release(){super.release(),this._values=null}updateByType(e){return e.isNumberUniform?this.updateNumber(e):e.isVector2Uniform?this.updateVector2(e):e.isVector3Uniform?this.updateVector3(e):e.isVector4Uniform?this.updateVector4(e):e.isColorUniform?this.updateColor(e):e.isMatrix3Uniform?this.updateMatrix3(e):e.isMatrix4Uniform?this.updateMatrix4(e):void o("WebGPUUniformsGroup: Unsupported uniform type.",e)}updateNumber(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i]!==s){this._getBufferForType(n)[i]=r[i]=s,t=!0,this.addUniformUpdateRange(e)}return t}updateVector2(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y){const a=this._getBufferForType(n);a[i+0]=r[i+0]=s.x,a[i+1]=r[i+1]=s.y,t=!0,this.addUniformUpdateRange(e)}return t}updateVector3(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y||r[i+2]!==s.z){const a=this._getBufferForType(n);a[i+0]=r[i+0]=s.x,a[i+1]=r[i+1]=s.y,a[i+2]=r[i+2]=s.z,t=!0,this.addUniformUpdateRange(e)}return t}updateVector4(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y||r[i+2]!==s.z||r[i+3]!==s.w){const a=this._getBufferForType(n);a[i+0]=r[i+0]=s.x,a[i+1]=r[i+1]=s.y,a[i+2]=r[i+2]=s.z,a[i+3]=r[i+3]=s.w,t=!0,this.addUniformUpdateRange(e)}return t}updateColor(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset;if(r[i+0]!==s.r||r[i+1]!==s.g||r[i+2]!==s.b){const n=this.buffer;n[i+0]=r[i+0]=s.r,n[i+1]=r[i+1]=s.g,n[i+2]=r[i+2]=s.b,t=!0,this.addUniformUpdateRange(e)}return t}updateMatrix3(e){let t=!1;const r=this.values,s=e.getValue().elements,i=e.offset;if(r[i+0]!==s[0]||r[i+1]!==s[1]||r[i+2]!==s[2]||r[i+4]!==s[3]||r[i+5]!==s[4]||r[i+6]!==s[5]||r[i+8]!==s[6]||r[i+9]!==s[7]||r[i+10]!==s[8]){const n=this.buffer;n[i+0]=r[i+0]=s[0],n[i+1]=r[i+1]=s[1],n[i+2]=r[i+2]=s[2],n[i+4]=r[i+4]=s[3],n[i+5]=r[i+5]=s[4],n[i+6]=r[i+6]=s[5],n[i+8]=r[i+8]=s[6],n[i+9]=r[i+9]=s[7],n[i+10]=r[i+10]=s[8],t=!0,this.addUniformUpdateRange(e)}return t}updateMatrix4(e){let t=!1;const r=this.values,s=e.getValue().elements,i=e.offset;if(!1===function(e,t,r){for(let s=0,i=t.length;s<i;s++)if(e[r+s]!==t[s])return!1;return!0}(r,s,i)){this.buffer.set(s,i),function(e,t,r){for(let s=0,i=t.length;s<i;s++)e[r+s]=t[s]}(r,s,i),t=!0,this.addUniformUpdateRange(e)}return t}_getBufferForType(e){return"int"===e||"ivec2"===e||"ivec3"===e||"ivec4"===e?new Int32Array(this.buffer.buffer):"uint"===e||"uvec2"===e||"uvec3"===e||"uvec4"===e?new Uint32Array(this.buffer.buffer):this.buffer}}let IR=0;class OR extends DR{constructor(e,t){super(e),this.id=IR++,this.groupNode=t,this.isNodeUniformsGroup=!0}}class VR extends MR{constructor(e,t){super(e),this._texture=t,this.version=-1,this.generation=null,this.samplerKey="",this.isSampler=!0}set texture(e){this._texture!==e&&(this._texture=e,this.reset())}get texture(){return this._texture}update(){const{texture:e,version:t}=this;return t!==e.version&&(this.version=e.version,!0)}reset(){this.generation=null,this.version=-1}release(){this._texture=null}}let kR=0;class GR extends VR{constructor(e,t){super(e,t),this.id=kR++,this.store=!1,this.mipLevel=0,this.isSampledTexture=!0}}class $R extends GR{constructor(e,t,r,s=null){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r,this.access=s}update(){const{textureNode:e}=this;return this.texture!==e.value?(this.texture=e.value,!0):super.update()}}class zR extends $R{constructor(e,t,r,s=null){super(e,t,r,s),this.isSampledCubeTexture=!0}}class WR extends $R{constructor(e,t,r,s=null){super(e,t,r,s),this.isSampledTexture3D=!0}}const HR={bitcast_int_uint:new zT("uint tsl_bitcast_int_to_uint ( int x ) { return floatBitsToUint( intBitsToFloat ( x ) ); }"),bitcast_uint_int:new zT("uint tsl_bitcast_uint_to_int ( uint x ) { return floatBitsToInt( uintBitsToFloat ( x ) ); }"),textureGather:new zT("\nvec4 tsl_textureGather( const int comp, sampler2D map, vec2 coord, ivec2 offset, bool flipY ) {\n\tif ( flipY ) offset.y = - offset.y;\n\tvec2 size = vec2( textureSize( map, 0 ) );\n\tvec2 st = floor( coord * size + vec2( offset ) - 0.5 );\n\tvec4 ij = vec4( st + 0.5, st + 1.5 ) / size.xyxy;\n\tvec4 ret = vec4(\n\t\ttextureLod( map, ij.xw, 0.0 )[ comp ],\n\t\ttextureLod( map, ij.zw, 0.0 )[ comp ],\n\t\ttextureLod( map, ij.zy, 0.0 )[ comp ],\n\t\ttextureLod( map, ij.xy, 0.0 )[ comp ]\n\t);\n\treturn flipY ? ret.wzyx : ret;\n}\n"),textureGatherArray:new zT("\nvec4 tsl_textureGather_array( const int comp, sampler2DArray map, vec3 coord, ivec2 offset, bool flipY ) {\n\tif ( flipY ) offset.y = - offset.y;\n\tvec2 size = vec2( textureSize( map, 0 ).xy );\n\tvec2 st = floor( coord.xy * size + vec2( offset ) - 0.5 );\n\tvec4 ij = vec4( st + 0.5, st + 1.5 ) / size.xyxy;\n\tvec4 ret = vec4(\n\t\ttextureLod( map, vec3( ij.xw, coord.z ), 0.0 )[ comp ],\n\t\ttextureLod( map, vec3( ij.zw, coord.z ), 0.0 )[ comp ],\n\t\ttextureLod( map, vec3( ij.zy, coord.z ), 0.0 )[ comp ],\n\t\ttextureLod( map, vec3( ij.xy, coord.z ), 0.0 )[ comp ]\n\t);\n\treturn flipY ? ret.wzyx : ret;\n}\n"),textureGatherCompare:new zT("\nvec4 tsl_textureGatherCompare( sampler2DShadow map, vec2 coord, ivec2 offset, float ref, bool flipY ) {\n\tif ( flipY ) offset.y = - offset.y;\n\tvec2 size = vec2( textureSize( map, 0 ) );\n\tvec2 st = floor( coord * size + vec2( offset ) - 0.5 );\n\tvec4 ij = vec4( st + 0.5, st + 1.5 ) / size.xyxy;\n\tvec4 ret = vec4(\n\t\ttextureLod( map, vec3( ij.xw, ref ), 0.0 ),\n\t\ttextureLod( map, vec3( ij.zw, ref ), 0.0 ),\n\t\ttextureLod( map, vec3( ij.zy, ref ), 0.0 ),\n\t\ttextureLod( map, vec3( ij.xy, ref ), 0.0 )\n\t);\n\treturn flipY ? ret.wzyx : ret;\n}\n"),textureGatherCompareArray:new zT("\nvec4 tsl_textureGatherCompare_array( sampler2DArrayShadow map, vec3 coord, ivec2 offset, float ref, bool flipY ) {\n\tif ( flipY ) offset.y = - offset.y;\n\tvec2 size = vec2( textureSize( map, 0 ).xy );\n\tvec2 st = floor( coord.xy * size + vec2( offset ) - 0.5 );\n\tvec4 ij = vec4( st + 0.5, st + 1.5 ) / size.xyxy;\n\tvec4 ret = vec4(\n\t\ttexture( map, vec4( ij.xw, coord.z, ref ) ),\n\t\ttexture( map, vec4( ij.zw, coord.z, ref ) ),\n\t\ttexture( map, vec4( ij.zy, coord.z, ref ) ),\n\t\ttexture( map, vec4( ij.xy, coord.z, ref ) )\n\t);\n\treturn flipY ? ret.wzyx : ret;\n}\n")},jR={textureDimensions:"textureSize",equals:"equal",bitcast_float_int:"floatBitsToInt",bitcast_int_float:"intBitsToFloat",bitcast_uint_float:"uintBitsToFloat",bitcast_float_uint:"floatBitsToUint",bitcast_uint_int:"tsl_bitcast_uint_to_int",bitcast_int_uint:"tsl_bitcast_int_to_uint",floatpack_snorm_2x16:"packSnorm2x16",floatpack_unorm_2x16:"packUnorm2x16",floatpack_float16_2x16:"packHalf2x16",floatunpack_snorm_2x16:"unpackSnorm2x16",floatunpack_unorm_2x16:"unpackUnorm2x16",floatunpack_float16_2x16:"unpackHalf2x16"},qR={low:"lowp",medium:"mediump",high:"highp"},XR={swizzleAssign:!0,storageBuffer:!1},YR={perspective:"smooth",linear:"noperspective"},KR={centroid:"centroid"},QR="\nprecision highp float;\nprecision highp int;\nprecision highp sampler2D;\nprecision highp sampler3D;\nprecision highp samplerCube;\nprecision highp sampler2DArray;\n\nprecision highp usampler2D;\nprecision highp usampler3D;\nprecision highp usamplerCube;\nprecision highp usampler2DArray;\n\nprecision highp isampler2D;\nprecision highp isampler3D;\nprecision highp isamplerCube;\nprecision highp isampler2DArray;\n\nprecision highp sampler2DShadow;\nprecision highp sampler2DArrayShadow;\nprecision highp samplerCubeShadow;\n";class ZR extends AS{constructor(e,t){super(e,t,new YS),this.uniformGroups={},this.transforms=[],this.extensions={},this.builtins={vertex:[],fragment:[],compute:[]}}needsToWorkingColorSpace(e){return!0===e.isVideoTexture&&e.colorSpace!==T}_include(e){const t=HR[e];return t.build(this),this.addInclude(t),t}getMethod(e){return void 0!==HR[e]&&this._include(e),jR[e]||e}getBitcastMethod(e,t){return this.getMethod(`bitcast_${t}_${e}`)}getFloatPackingMethod(e){return this.getMethod(`floatpack_${e}_2x16`)}getFloatUnpackingMethod(e){return this.getMethod(`floatunpack_${e}_2x16`)}getTernary(e,t,r){return`${e} ? ${t} : ${r}`}getOutputStructName(){return""}buildFunctionCode(e){const t=e.layout,r=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(this.getType(e.type)+" "+e.name);return`${this.getType(t.type)} ${t.name}( ${s.join(", ")} ) {\n\n\t${r.vars}\n\n${r.code}\n\treturn ${r.result};\n\n}`}setupPBO(e){const t=e.value;if(void 0===t.pbo){const e=t.array,r=t.count*t.itemSize,{itemSize:s}=t,i=t.array.constructor.name.toLowerCase().includes("int");let n=i?We:ze;2===s?n=i?qe:z:3===s?n=i?Ye:Xe:4===s&&(n=i?Ft:Ee);const a={Float32Array:Y,Uint8Array:Ve,Uint16Array:Ge,Uint32Array:S,Int8Array:Oe,Int16Array:ke,Int32Array:R,Uint8ClampedArray:Ve},o=Math.pow(2,Math.ceil(Math.log2(Math.sqrt(r/s))));let u=Math.ceil(r/s/o);o*u*s<r&&u++;const l=o*u*s,d=new e.constructor(l);d.set(e,0),t.array=d;const c=new xe(t.array,o,u,n,a[t.array.constructor.name]||Y);c.needsUpdate=!0,c.isPBOTexture=!0;const h=new Zl(c,null,null);h.setPrecision("high"),t.pboNode=h,t.pbo=h.value,this.getUniformFromNode(t.pboNode,"texture",this.shaderStage,this.context.nodeName)}}getPropertyName(e,t=this.shaderStage){return e.isNodeUniform&&!0!==e.node.isTextureNode&&!0!==e.node.isBufferNode?e.name:super.getPropertyName(e,t)}generatePBO(e){const{node:t,indexNode:r}=e,s=t.value;if(this.renderer.backend.has(s)){this.renderer.backend.get(s).pbo=s.pbo}const i=this.getUniformFromNode(s.pboNode,"texture",this.shaderStage,this.context.nodeName),n=this.getPropertyName(i);this.increaseUsage(r);const a=r.build(this,"uint"),o=this.getDataFromNode(e);let u=o.propertyName;if(void 0===u){const r=this.getVarFromNode(e);u=this.getPropertyName(r);const i=this.getDataFromNode(t);let l=i.propertySizeName;void 0===l&&(l=u+"Size",this.getVarFromNode(t,l,"uint"),this.addLineFlowCode(`${l} = uint( textureSize( ${n}, 0 ).x )`,e),i.propertySizeName=l);const{itemSize:d}=s,c="."+di.join("").slice(0,d),h=`ivec2(${a} % ${l}, ${a} / ${l})`,p=this.generateTextureLoad(null,n,h,"0",null,null);let g="vec4";s.pbo.type===S?g="uvec4":s.pbo.type===R&&(g="ivec4"),this.addLineFlowCode(`${u} = ${g}(${p})${c}`,e),o.propertyName=u}return u}generateTextureLoad(e,t,r,s,i,n){let a;return null===s&&(s="0"),a=i?n?`texelFetchOffset( ${t}, ivec3( ${r}, ${i} ), int( ${s} ), ${n} )`:`texelFetch( ${t}, ivec3( ${r}, ${i} ), int( ${s} ) )`:n?`texelFetchOffset( ${t}, ${r}, int( ${s} ), ${n} )`:`texelFetch( ${t}, ${r}, int( ${s} ) )`,null!==e&&e.isDepthTexture&&(a+=".x"),a}generateTexture(e,t,r,s,i){return s&&(r=`vec3( ${r}, ${s} )`),e.isDepthTexture?i?`textureOffset( ${t}, ${r}, ${i} ).x`:`texture( ${t}, ${r} ).x`:i?`textureOffset( ${t}, ${r}, ${i} )`:`texture( ${t}, ${r} )`}generateTextureLevel(e,t,r,s,i,n){return i&&(r=`vec3( ${r}, ${i} )`),n?`textureLodOffset( ${t}, ${r}, ${s}, ${n} )`:`textureLod( ${t}, ${r}, ${s} )`}generateTextureBias(e,t,r,s,i,n){return i&&(r=`vec3( ${r}, ${i} )`),n?`textureOffset( ${t}, ${r}, ${n}, ${s} )`:`texture( ${t}, ${r}, ${s} )`}generateTextureGrad(e,t,r,s,i,n){return i&&(r=`vec3( ${r}, ${i} )`),n?`textureGradOffset( ${t}, ${r}, ${s[0]}, ${s[1]}, ${n} )`:`textureGrad( ${t}, ${r}, ${s[0]}, ${s[1]} )`}generateTextureCompare(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return e.isCubeTexture?`texture( ${t}, vec4( ${r}, ${s} ) )`:i?n?`textureOffset( ${t}, vec4( ${r}, ${i}, ${s} ), ${n} )`:`texture( ${t}, vec4( ${r}, ${i}, ${s} ) )`:n?`textureOffset( ${t}, vec3( ${r}, ${s} ), ${n} )`:`texture( ${t}, vec3( ${r}, ${s} ) )`;o(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${a} shader.`)}generateTextureGather(e,t,r,s,i,n,a){return e.isDepthTexture&&(s="0"),null===n&&(n="ivec2( 0 )"),null===a&&(a="false"),i?(this._include("textureGatherArray"),`tsl_textureGather_array( ${s}, ${t}, vec3( ${r}, ${i} ), ${n}, ${a} )`):(this._include("textureGather"),`tsl_textureGather( ${s}, ${t}, ${r}, ${n}, ${a} )`)}generateTextureGatherCompare(e,t,r,s,i,n,a){return null===n&&(n="ivec2( 0 )"),null===a&&(a="false"),i?(this._include("textureGatherCompareArray"),`tsl_textureGatherCompare_array( ${t}, vec3( ${r}, ${i} ), ${n}, ${s}, ${a} )`):(this._include("textureGatherCompare"),`tsl_textureGatherCompare( ${t}, ${r}, ${n}, ${s}, ${a} )`)}getUniforms(e){const t=this.uniforms[e],r=[],s={};for(const e of t){let t=null,i=!1;if("texture"===e.type||"texture3D"===e.type){const r=e.node,s=r.value;let i="";!0!==s.isDataTexture&&!0!==s.isData3DTexture||(s.type===S?i="u":s.type===R&&(i="i")),t="texture3D"===e.type&&!1===s.isArrayTexture?`${i}sampler3D ${e.name};`:s.compareFunction&&null!==r.compareNode?!0===s.isArrayTexture?`sampler2DArrayShadow ${e.name};`:`sampler2DShadow ${e.name};`:!0===s.isArrayTexture||!0===s.isDataArrayTexture||!0===s.isCompressedArrayTexture?`${i}sampler2DArray ${e.name};`:`${i}sampler2D ${e.name};`}else if("cubeTexture"===e.type)t=`samplerCube ${e.name};`;else if("cubeDepthTexture"===e.type){t=e.node.value.compareFunction?`samplerCubeShadow ${e.name};`:`samplerCube ${e.name};`}else if("buffer"===e.type){const r=e.node,s=this.getType(r.bufferType),i=r.bufferCount,n=i>0?i:"";t=`${r.name} {\n\t${s} ${e.name}[${n}];\n};\n`}else{const t=e.groupNode.name;if(void 0===s[t]){const e=this.uniformGroups[t];if(void 0!==e){const r=[];for(const t of e.uniforms){const e=t.getType(),s=this.getVectorType(e),i=t.nodeUniform.node.precision;let n=`${s} ${t.name};`;null!==i&&(n=qR[i]+" "+n),r.push("\t"+n)}s[t]=r}}i=!0}if(!i){const s=e.node.precision;null!==s&&(t=qR[s]+" "+t),t="uniform "+t,r.push(t)}}let i="";for(const e in s){const t=s[e];i+=this._getGLSLUniformStruct(e,t.join("\n"))+"\n"}return i+=r.join("\n"),i}getTypeFromAttribute(e){let t=super.getTypeFromAttribute(e);if(/^[iu]/.test(t)&&e.gpuType!==R){let r=e;e.isInterleavedBufferAttribute&&(r=e.data);const s=r.array;!1==(s instanceof Uint32Array||s instanceof Int32Array)&&(t=t.slice(1))}return t}getAttributes(e){let t="";if("vertex"===e||"compute"===e){const e=this.getAttributesArray();let r=0;for(const s of e)t+=`layout( location = ${r++} ) in ${s.type} ${s.name};\n`}return t}getStructMembers(e){const t=[];for(const r of e.members)t.push(`\t${r.type} ${r.name};`);return t.join("\n")}getStructs(e){const t=[],r=this.structs[e],s=[];for(const e of r)if(e.output)for(const t of e.members)s.push(`layout( location = ${t.index} ) out ${t.type} ${t.name};`);else{let r="struct "+e.name+" {\n";r+=this.getStructMembers(e),r+="\n};\n",t.push(r)}return"fragment"===e&&0===s.length&&s.push(`layout( location = 0 ) out ${this.getOutputType()} fragColor;`),"\n"+s.join("\n")+"\n\n"+t.join("\n")}getVaryings(e){let t="";const r=this.varyings;if("vertex"===e||"compute"===e)for(const s of r){"compute"===e&&(s.needsInterpolation=!0);const r=this.getType(s.type);if(s.needsInterpolation)if(s.interpolationType){t+=`${YR[s.interpolationType]||s.interpolationType} ${KR[s.interpolationSampling]||""} out ${r} ${s.name};\n`}else{t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}out ${r} ${s.name};\n`}else t+=`${r} ${s.name};\n`}else if("fragment"===e)for(const e of r)if(e.needsInterpolation){const r=this.getType(e.type);if(e.interpolationType){t+=`${YR[e.interpolationType]||e.interpolationType} ${KR[e.interpolationSampling]||""} in ${r} ${e.name};\n`}else{t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}in ${r} ${e.name};\n`}}for(const r of this.builtins[e])t+=`${r};\n`;return t}getVertexIndex(){return"uint( gl_VertexID )"}getInstanceIndex(){return"uint( gl_InstanceID )"}getInvocationLocalIndex(){return`uint( gl_InstanceID ) % ${this.object.workgroupSize.reduce((e,t)=>e*t,1)}u`}getSubgroupSize(){o("GLSLNodeBuilder: WebGLBackend does not support the subgroupSize node")}getInvocationSubgroupIndex(){o("GLSLNodeBuilder: WebGLBackend does not support the invocationSubgroupIndex node")}getSubgroupIndex(){o("GLSLNodeBuilder: WebGLBackend does not support the subgroupIndex node")}getDrawIndex(){return this.renderer.backend.extensions.has("WEBGL_multi_draw")?"uint( gl_DrawID )":"nodeUniformDrawId"}getFrontFacing(){return"gl_FrontFacing"}getFragCoord(){return"gl_FragCoord.xy"}getFragDepth(){return"gl_FragDepth"}enableExtension(e,t,r=this.shaderStage){const s=this.extensions[r]||(this.extensions[r]=new Map);!1===s.has(e)&&s.set(e,{name:e,behavior:t})}getExtensions(e){const t=[];if("vertex"===e){const t=this.renderer.backend.extensions;this.object.isBatchedMesh&&t.has("WEBGL_multi_draw")&&this.enableExtension("GL_ANGLE_multi_draw","require",e)}const r=this.extensions[e];if(void 0!==r)for(const{name:e,behavior:s}of r.values())t.push(`#extension ${e} : ${s}`);return t.join("\n")}getClipDistance(){return"gl_ClipDistance"}isAvailable(e){let t=XR[e];if(void 0===t){let r;switch(t=!1,e){case"float32Filterable":r="OES_texture_float_linear";break;case"clipDistance":r="WEBGL_clip_cull_distance"}if(void 0!==r){const e=this.renderer.backend.extensions;e.has(r)&&(e.get(r),t=!0)}XR[e]=t}return t}isFlipY(){return!0}enableHardwareClipping(e){this.enableExtension("GL_ANGLE_clip_cull_distance","require"),this.builtins.vertex.push(`out float gl_ClipDistance[ ${e} ]`)}enableMultiview(){this.enableExtension("GL_OVR_multiview2","require","fragment"),this.enableExtension("GL_OVR_multiview2","require","vertex"),this.builtins.vertex.push("layout(num_views = 2) in")}registerTransform(e,t){this.transforms.push({varyingName:e,attributeNode:t})}getTransforms(){const e=this.transforms;let t="";for(let r=0;r<e.length;r++){const s=e[r],i=this.getPropertyName(s.attributeNode);i&&(t+=`${s.varyingName} = ${i};\n\t`)}return t}_getGLSLUniformStruct(e,t){return`\nlayout( std140 ) uniform ${e} {\n${t}\n};`}_getGLSLVertexCode(e){return`#version 300 es\n\n${this.getSignature()}\n\n// extensions\n${e.extensions}\n\n// precision\n${QR}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\n\n// attributes\n${e.attributes}\n\n// vars\n${e.vars}\n\n// codes\n${e.codes}\n\nvoid main() {\n\n\t// transforms\n\t${e.transforms}\n\n\t// flow\n\t${e.flow}\n\n\tgl_PointSize = 1.0;\n\n}\n`}_getGLSLFragmentCode(e){return`#version 300 es\n\n${this.getSignature()}\n\n// extensions\n${e.extensions}\n\n// precision\n${QR}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\n\n// vars\n${e.vars}\n\n// codes\n${e.codes}\n\nvoid main() {\n\n\t// flow\n\t${e.flow}\n\n}\n`}buildCode(){const e=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){let r="// code\n\n";r+=this.flowCode[t];const s=this.flowNodes[t],i=s[s.length-1];for(const e of s){const s=this.getFlowData(e),n=e.name;n&&(r.length>0&&(r+="\n"),r+=`\t// flow -> ${n}\n\t`),r+=`${s.code}\n\t`,e===i&&"compute"!==t&&(r+="// result\n\t","vertex"===t?(r+="gl_Position = ",r+=`${this.format(s.result,i.getNodeType(this),"vec4")};`):"fragment"===t&&(e.outputNode.isOutputStructNode||(r+="fragColor = ",r+=`${this.format(s.result,i.getNodeType(this),this.getOutputType())};`)))}const n=e[t];if(n.extensions=this.getExtensions(t),n.uniforms=this.getUniforms(t),n.attributes=this.getAttributes(t),n.varyings=this.getVaryings(t),n.vars=this.getVars(t,!0),n.structs=this.getStructs(t),n.codes=this.getCodes(t),n.transforms=this.getTransforms(t),n.flow=r,"vertex"===t){const e=this.renderer.backend.extensions;this.object.isBatchedMesh&&!1===e.has("WEBGL_multi_draw")&&(n.uniforms+="\nuniform uint nodeUniformDrawId;\n")}}null!==this.material?(this.vertexShader=this._getGLSLVertexCode(e.vertex),this.fragmentShader=this._getGLSLFragmentCode(e.fragment)):this.computeShader=this._getGLSLVertexCode(e.compute)}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);let a=n.uniformGPU;if(void 0===a){const s=e.groupNode,o=s.name,u=this.getBindGroupArray(o,r);if("texture"===t)a=new $R(i.name,i.node,s),u.push(a);else if("cubeTexture"===t||"cubeDepthTexture"===t)a=new zR(i.name,i.node,s),u.push(a);else if("texture3D"===t)a=new WR(i.name,i.node,s),u.push(a);else if("buffer"===t){i.name=`buffer${e.id}`;const t=this.getSharedDataFromNode(e);let r=t.buffer;void 0===r&&(e.name=`NodeBuffer_${e.id}`,r=new UR(e,s),r.name=e.name,t.buffer=r),u.push(r),a=r}else{let e=this.uniformGroups[o];void 0===e?(e=new OR(o,s),this.uniformGroups[o]=e,u.push(e)):-1===u.indexOf(e)&&u.push(e),a=this.getNodeUniform(i,t);const r=a.name;e.uniforms.some(e=>e.name===r)||e.addUniform(a)}n.uniformGPU=a}return i}}let JR=null,eE=null;class tE{constructor(e={}){this.parameters=Object.assign({},e),this.data=new WeakMap,this.renderer=null,this.domElement=null,this.timestampQueryPool={[Pt.RENDER]:null,[Pt.COMPUTE]:null},this.trackTimestamp=!0===e.trackTimestamp}async init(e){this.renderer=e}get coordinateSystem(){}beginRender(){}finishRender(){}setXRTarget(){}beginCompute(){}finishCompute(){}draw(){}compute(){}createProgram(){}destroyProgram(){}createBindings(){}updateBindings(){}updateBinding(){}createRenderPipeline(){}createComputePipeline(){}needsRenderUpdate(){}getRenderCacheKey(){}createNodeBuilder(){}updateSampler(){}createDefaultTexture(){}createTexture(){}updateTexture(){}generateMipmaps(){}destroyTexture(){}async copyTextureToBuffer(){}copyTextureToTexture(){}copyFramebufferToTexture(){}createAttribute(){}createIndexAttribute(){}createStorageAttribute(){}createUniformBuffer(){}destroyUniformBuffer(){}updateAttribute(){}destroyAttribute(){}getContext(){}updateSize(){}updateViewport(){}updateTimeStampUID(e){const t=this.get(e),r=this.renderer.info.frame;let s;s=!0===e.isComputeNode?"c:"+this.renderer.info.compute.frameCalls:"r:"+this.renderer.info.render.frameCalls,t.timestampUID=s+":"+e.id+":f"+r}getTimestampUID(e){return this.get(e).timestampUID}getTimestampFrames(e){const t=this.timestampQueryPool[e];return t?t.getTimestampFrames():[]}_getQueryPool(e){const t=e.startsWith("c:")?Pt.COMPUTE:Pt.RENDER;return this.timestampQueryPool[t]}getTimestamp(e){return this._getQueryPool(e).getTimestamp(e)}hasTimestamp(e){return this._getQueryPool(e).hasTimestamp(e)}isOccluded(){}async resolveTimestampsAsync(e="render"){if(!this.trackTimestamp)return void v("WebGPURenderer: Timestamp tracking is disabled.");const t=this.timestampQueryPool[e];if(!t)return;const r=await t.resolveQueriesAsync();return this.renderer.info[e].timestamp=r,r}async getArrayBufferAsync(){}async hasFeatureAsync(){}hasFeature(){}getDrawingBufferSize(){return JR=JR||new t,this.renderer.getDrawingBufferSize(JR)}setScissorTest(){}getClearColor(){const e=this.renderer;return eE=eE||new Sb,e.getClearColor(eE),eE.getRGB(eE),eE}getDomElement(){let e=this.domElement;return null===e&&(e=void 0!==this.parameters.canvas?this.parameters.canvas:Ut(),"setAttribute"in e&&e.setAttribute("data-engine",`three.js r${_t} webgpu`),this.domElement=e),e}hasCompatibility(){return!1}initRenderTarget(){}set(e,t){this.data.set(e,t)}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}has(e){return this.data.has(e)}delete(e){this.data.delete(e)}deleteBindGroupData(){}dispose(){}}let rE,sE,iE=0;class nE{constructor(e,t){this.buffers=[e.bufferGPU,t],this.type=e.type,this.bufferType=e.bufferType,this.pbo=e.pbo,this.byteLength=e.byteLength,this.bytesPerElement=e.BYTES_PER_ELEMENT,this.version=e.version,this.isInteger=e.isInteger,this.activeBufferIndex=0,this.baseId=e.id}get id(){return`${this.baseId}|${this.activeBufferIndex}`}get bufferGPU(){return this.buffers[this.activeBufferIndex]}get transformBuffer(){return this.buffers[1^this.activeBufferIndex]}switchBuffers(){this.activeBufferIndex^=1}}class aE{constructor(e){this.backend=e}createAttribute(e,t){const r=this.backend,{gl:s}=r,i=e.array,n=e.usage||s.STATIC_DRAW,a=e.isInterleavedBufferAttribute?e.data:e,o=r.get(a);let u,l=o.bufferGPU;if(void 0===l&&(l=this._createBuffer(s,t,i,n),o.bufferGPU=l,o.bufferType=t,o.version=a.version),i instanceof Float32Array)u=s.FLOAT;else if("undefined"!=typeof Float16Array&&i instanceof Float16Array)u=s.HALF_FLOAT;else if(i instanceof Uint16Array)u=e.isFloat16BufferAttribute?s.HALF_FLOAT:s.UNSIGNED_SHORT;else if(i instanceof Int16Array)u=s.SHORT;else if(i instanceof Uint32Array)u=s.UNSIGNED_INT;else if(i instanceof Int32Array)u=s.INT;else if(i instanceof Int8Array)u=s.BYTE;else if(i instanceof Uint8Array)u=s.UNSIGNED_BYTE;else{if(!(i instanceof Uint8ClampedArray))throw new Error("THREE.WebGLBackend: Unsupported buffer data format: "+i);u=s.UNSIGNED_BYTE}let d={bufferGPU:l,bufferType:t,type:u,byteLength:i.byteLength,bytesPerElement:i.BYTES_PER_ELEMENT,version:e.version,pbo:e.pbo,isInteger:u===s.INT||u===s.UNSIGNED_INT||e.gpuType===R,id:iE++};if(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute){const e=this._createBuffer(s,t,i,n);d=new nE(d,e)}r.set(e,d)}updateAttribute(e){const t=this.backend,{gl:r}=t,s=e.array,i=e.isInterleavedBufferAttribute?e.data:e,n=t.get(i),a=n.bufferType,o=e.isInterleavedBufferAttribute?e.data.updateRanges:e.updateRanges;if(r.bindBuffer(a,n.bufferGPU),0===o.length)r.bufferSubData(a,0,s);else{for(let e=0,t=o.length;e<t;e++){const t=o[e];r.bufferSubData(a,t.start*s.BYTES_PER_ELEMENT,s,t.start,t.count)}i.clearUpdateRanges()}r.bindBuffer(a,null),n.version=i.version}destroyAttribute(e){const t=this.backend,{gl:r}=t;e.isInterleavedBufferAttribute&&t.delete(e.data);const s=t.get(e);r.deleteBuffer(s.bufferGPU),t.delete(e)}async getArrayBufferAsync(e,t=null,r=0,s=-1){const i=this.backend,{gl:n}=i,a=e.isInterleavedBufferAttribute?e.data:e,o=i.get(a),{bufferGPU:u}=o,l=-1===s?o.byteLength-r:s;let d;if(null===t)d=new Uint8Array(new ArrayBuffer(l));else if(t.isReadbackBuffer){if(!0===t._mapped)throw new Error("THREE.WebGPURenderer: ReadbackBuffer must be released before being used again.");const e=()=>{t.buffer=null,t._mapped=!1,t.removeEventListener("release",e),t.removeEventListener("dispose",e)};t.addEventListener("release",e),t.addEventListener("dispose",e),d=new Uint8Array(new ArrayBuffer(l)),t.buffer=d.buffer}else d=new Uint8Array(t);return n.bindBuffer(n.COPY_READ_BUFFER,u),n.getBufferSubData(n.COPY_READ_BUFFER,r,d),n.bindBuffer(n.COPY_READ_BUFFER,null),n.bindBuffer(n.COPY_WRITE_BUFFER,null),t&&t.isReadbackBuffer?t:d.buffer}_createBuffer(e,t,r,s){const i=e.createBuffer();return e.bindBuffer(t,i),e.bufferData(t,r,s),e.bindBuffer(t,null),i}}class oE{constructor(e){this.backend=e,this.gl=this.backend.gl,this.enabled={},this.parameters={},this.currentFlipSided=null,this.currentCullFace=null,this.currentProgram=null,this.currentBlendingEnabled=!1,this.currentBlending=null,this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentPremultipledAlpha=null,this.currentPolygonOffsetFactor=null,this.currentPolygonOffsetUnits=null,this.currentColorMask=null,this.currentDepthReversed=!1,this.currentDepthFunc=null,this.currentDepthMask=null,this.currentStencilFunc=null,this.currentStencilRef=null,this.currentStencilFuncMask=null,this.currentStencilFail=null,this.currentStencilZFail=null,this.currentStencilZPass=null,this.currentStencilMask=null,this.currentLineWidth=null,this.currentClippingPlanes=0,this.currentVAO=null,this.currentIndex=null,this.currentBoundFramebuffers={},this.currentDrawbuffers=new WeakMap,this.maxTextures=this.gl.getParameter(this.gl.MAX_TEXTURE_IMAGE_UNITS),this.currentTextureSlot=null,this.currentBoundTextures={},this.currentBoundBufferBases={},this._init()}_init(){const e=this.gl;rE={[it]:e.FUNC_ADD,[It]:e.FUNC_SUBTRACT,[Dt]:e.FUNC_REVERSE_SUBTRACT},sE={[Et]:e.ZERO,[Ht]:e.ONE,[Wt]:e.SRC_COLOR,[rt]:e.SRC_ALPHA,[zt]:e.SRC_ALPHA_SATURATE,[$t]:e.DST_COLOR,[Gt]:e.DST_ALPHA,[kt]:e.ONE_MINUS_SRC_COLOR,[st]:e.ONE_MINUS_SRC_ALPHA,[Vt]:e.ONE_MINUS_DST_COLOR,[Ot]:e.ONE_MINUS_DST_ALPHA};const t=e.getParameter(e.SCISSOR_BOX),r=e.getParameter(e.VIEWPORT);this.currentScissor=(new s).fromArray(t),this.currentViewport=(new s).fromArray(r),this._tempVec4=new s}enable(e){const{enabled:t}=this;!0!==t[e]&&(this.gl.enable(e),t[e]=!0)}disable(e){const{enabled:t}=this;!1!==t[e]&&(this.gl.disable(e),t[e]=!1)}setFlipSided(e){if(this.currentFlipSided!==e){const{gl:t}=this;e?t.frontFace(t.CW):t.frontFace(t.CCW),this.currentFlipSided=e}}setCullFace(e){const{gl:t}=this;e!==jt?(this.enable(t.CULL_FACE),e!==this.currentCullFace&&(e===qt?t.cullFace(t.BACK):e===Xt?t.cullFace(t.FRONT):t.cullFace(t.FRONT_AND_BACK))):this.disable(t.CULL_FACE),this.currentCullFace=e}setLineWidth(e){const{currentLineWidth:t,gl:r}=this;e!==t&&(r.lineWidth(e),this.currentLineWidth=e)}setMRTBlending(e,t,r){const s=this.gl,i=this.backend.drawBuffersIndexedExt;if(i)for(let n=0;n<e.length;n++){const a=e[n];let o=null;if(null!==t){const e=t.getBlendMode(a.name);e.blending===nt?o=r:e.blending!==re&&(o=e)}else o=r;null!==o?this._setMRTBlendingIndex(n,o):i.blendFuncSeparateiOES(n,s.ONE,s.ZERO,s.ONE,s.ZERO)}else v("WebGPURenderer: Multiple Render Targets (MRT) blending configuration is not fully supported in compatibility mode. The material blending will be used for all render targets.")}_setMRTBlendingIndex(e,t){const{gl:r}=this,s=this.backend.drawBuffersIndexedExt,i=t.blending,n=t.blendSrc,a=t.blendDst,o=t.blendEquation,u=t.premultipliedAlpha;if(i===Rt){const r=null!==t.blendSrcAlpha?t.blendSrcAlpha:n,i=null!==t.blendDstAlpha?t.blendDstAlpha:a,u=null!==t.blendEquationAlpha?t.blendEquationAlpha:o;s.blendEquationSeparateiOES(e,rE[o],rE[u]),s.blendFuncSeparateiOES(e,sE[n],sE[a],sE[r],sE[i])}else if(s.blendEquationSeparateiOES(e,r.FUNC_ADD,r.FUNC_ADD),u)switch(i){case tt:s.blendFuncSeparateiOES(e,r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA);break;case Qt:s.blendFuncSeparateiOES(e,r.ONE,r.ONE,r.ONE,r.ONE);break;case Kt:s.blendFuncSeparateiOES(e,r.ZERO,r.ONE_MINUS_SRC_COLOR,r.ZERO,r.ONE);break;case Yt:s.blendFuncSeparateiOES(e,r.DST_COLOR,r.ONE_MINUS_SRC_ALPHA,r.ZERO,r.ONE);break;default:s.blendFuncSeparateiOES(e,r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}else switch(i){case tt:s.blendFuncSeparateiOES(e,r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA);break;case Qt:s.blendFuncSeparateiOES(e,r.SRC_ALPHA,r.ONE,r.ONE,r.ONE);break;case Kt:s.blendFuncSeparateiOES(e,r.ZERO,r.ONE_MINUS_SRC_COLOR,r.ZERO,r.ONE);break;case Yt:s.blendFuncSeparateiOES(e,r.DST_COLOR,r.ONE_MINUS_SRC_ALPHA,r.ZERO,r.ONE);break;default:s.blendFuncSeparateiOES(e,r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}}setBlending(e,t,r,s,i,n,a,u){const{gl:l}=this;if(e!==re){if(!1===this.currentBlendingEnabled&&(this.enable(l.BLEND),this.currentBlendingEnabled=!0),e===Rt)i=i||t,n=n||r,a=a||s,t===this.currentBlendEquation&&i===this.currentBlendEquationAlpha||(l.blendEquationSeparate(rE[t],rE[i]),this.currentBlendEquation=t,this.currentBlendEquationAlpha=i),r===this.currentBlendSrc&&s===this.currentBlendDst&&n===this.currentBlendSrcAlpha&&a===this.currentBlendDstAlpha||(l.blendFuncSeparate(sE[r],sE[s],sE[n],sE[a]),this.currentBlendSrc=r,this.currentBlendDst=s,this.currentBlendSrcAlpha=n,this.currentBlendDstAlpha=a),this.currentBlending=e,this.currentPremultipledAlpha=!1;else if(e!==this.currentBlending||u!==this.currentPremultipledAlpha){if(this.currentBlendEquation===it&&this.currentBlendEquationAlpha===it||(l.blendEquation(l.FUNC_ADD),this.currentBlendEquation=it,this.currentBlendEquationAlpha=it),u)switch(e){case tt:l.blendFuncSeparate(l.ONE,l.ONE_MINUS_SRC_ALPHA,l.ONE,l.ONE_MINUS_SRC_ALPHA);break;case Qt:l.blendFunc(l.ONE,l.ONE);break;case Kt:l.blendFuncSeparate(l.ZERO,l.ONE_MINUS_SRC_COLOR,l.ZERO,l.ONE);break;case Yt:l.blendFuncSeparate(l.DST_COLOR,l.ONE_MINUS_SRC_ALPHA,l.ZERO,l.ONE);break;default:o("WebGLState: Invalid blending: ",e)}else switch(e){case tt:l.blendFuncSeparate(l.SRC_ALPHA,l.ONE_MINUS_SRC_ALPHA,l.ONE,l.ONE_MINUS_SRC_ALPHA);break;case Qt:l.blendFuncSeparate(l.SRC_ALPHA,l.ONE,l.ONE,l.ONE);break;case Kt:o("WebGLState: SubtractiveBlending requires material.premultipliedAlpha = true");break;case Yt:o("WebGLState: MultiplyBlending requires material.premultipliedAlpha = true");break;default:o("WebGLState: Invalid blending: ",e)}this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentBlending=e,this.currentPremultipledAlpha=u}}else!0===this.currentBlendingEnabled&&(this.disable(l.BLEND),this.currentBlendingEnabled=!1)}setColorMask(e){this.currentColorMask!==e&&(this.gl.colorMask(e,e,e,e),this.currentColorMask=e)}setDepthTest(e){const{gl:t}=this;e?this.enable(t.DEPTH_TEST):this.disable(t.DEPTH_TEST)}setReversedDepth(e){if(this.currentDepthReversed!==e){const t=this.backend.extensions.get("EXT_clip_control");e?t.clipControlEXT(t.LOWER_LEFT_EXT,t.ZERO_TO_ONE_EXT):t.clipControlEXT(t.LOWER_LEFT_EXT,t.NEGATIVE_ONE_TO_ONE_EXT),this.currentDepthReversed=e}}setDepthMask(e){this.currentDepthMask!==e&&(this.gl.depthMask(e),this.currentDepthMask=e)}setDepthFunc(e){if(this.currentDepthReversed&&(e=ar[e]),this.currentDepthFunc!==e){const{gl:t}=this;switch(e){case nr:t.depthFunc(t.NEVER);break;case ir:t.depthFunc(t.ALWAYS);break;case sr:t.depthFunc(t.LESS);break;case rr:t.depthFunc(t.LEQUAL);break;case tr:t.depthFunc(t.EQUAL);break;case er:t.depthFunc(t.GEQUAL);break;case Jt:t.depthFunc(t.GREATER);break;case Zt:t.depthFunc(t.NOTEQUAL);break;default:t.depthFunc(t.LEQUAL)}this.currentDepthFunc=e}}scissor(e,t,r,s){const i=this._tempVec4.set(e,t,r,s);if(!1===this.currentScissor.equals(i)){const{gl:e}=this;e.scissor(i.x,i.y,i.z,i.w),this.currentScissor.copy(i)}}viewport(e,t,r,s){const i=this._tempVec4.set(e,t,r,s);if(!1===this.currentViewport.equals(i)){const{gl:e}=this;e.viewport(i.x,i.y,i.z,i.w),this.currentViewport.copy(i)}}setScissorTest(e){const t=this.gl;e?this.enable(t.SCISSOR_TEST):this.disable(t.SCISSOR_TEST)}setStencilTest(e){const{gl:t}=this;e?this.enable(t.STENCIL_TEST):this.disable(t.STENCIL_TEST)}setStencilMask(e){this.currentStencilMask!==e&&(this.gl.stencilMask(e),this.currentStencilMask=e)}setStencilFunc(e,t,r){this.currentStencilFunc===e&&this.currentStencilRef===t&&this.currentStencilFuncMask===r||(this.gl.stencilFunc(e,t,r),this.currentStencilFunc=e,this.currentStencilRef=t,this.currentStencilFuncMask=r)}setStencilOp(e,t,r){this.currentStencilFail===e&&this.currentStencilZFail===t&&this.currentStencilZPass===r||(this.gl.stencilOp(e,t,r),this.currentStencilFail=e,this.currentStencilZFail=t,this.currentStencilZPass=r)}setMaterial(e,t,r){const{gl:s}=this;e.side===P?this.disable(s.CULL_FACE):this.enable(s.CULL_FACE);let i=e.side===F;t&&(i=!i),this.setFlipSided(i),e.blending===tt&&!1===e.transparent?this.setBlending(re):this.setBlending(e.blending,e.blendEquation,e.blendSrc,e.blendDst,e.blendEquationAlpha,e.blendSrcAlpha,e.blendDstAlpha,e.premultipliedAlpha),this.setDepthFunc(e.depthFunc),this.setDepthTest(e.depthTest),this.setDepthMask(e.depthWrite),this.setColorMask(e.colorWrite);const n=e.stencilWrite;if(this.setStencilTest(n),n&&(this.setStencilMask(e.stencilWriteMask),this.setStencilFunc(e.stencilFunc,e.stencilRef,e.stencilFuncMask),this.setStencilOp(e.stencilFail,e.stencilZFail,e.stencilZPass)),this.setPolygonOffset(e.polygonOffset,e.polygonOffsetFactor,e.polygonOffsetUnits),!0===e.alphaToCoverage&&this.backend.renderer.currentSamples>0?this.enable(s.SAMPLE_ALPHA_TO_COVERAGE):this.disable(s.SAMPLE_ALPHA_TO_COVERAGE),r>0&&this.currentClippingPlanes!==r){const e=12288;for(let t=0;t<8;t++)t<r?this.enable(e+t):this.disable(e+t)}}setPolygonOffset(e,t,r){const{gl:s}=this;e?(this.enable(s.POLYGON_OFFSET_FILL),this.currentPolygonOffsetFactor===t&&this.currentPolygonOffsetUnits===r||(s.polygonOffset(t,r),this.currentPolygonOffsetFactor=t,this.currentPolygonOffsetUnits=r)):this.disable(s.POLYGON_OFFSET_FILL)}useProgram(e){return this.currentProgram!==e&&(this.gl.useProgram(e),this.currentProgram=e,!0)}setVertexState(e,t=null){const r=this.gl;return(this.currentVAO!==e||this.currentIndex!==t)&&(r.bindVertexArray(e),null!==t&&r.bindBuffer(r.ELEMENT_ARRAY_BUFFER,t),this.currentVAO=e,this.currentIndex=t,!0)}resetVertexState(){const e=this.gl;e.bindVertexArray(null),e.bindBuffer(e.ELEMENT_ARRAY_BUFFER,null),this.currentVAO=null,this.currentIndex=null}bindFramebuffer(e,t){const{gl:r,currentBoundFramebuffers:s}=this;return s[e]!==t&&(r.bindFramebuffer(e,t),s[e]=t,e===r.DRAW_FRAMEBUFFER&&(s[r.FRAMEBUFFER]=t),e===r.FRAMEBUFFER&&(s[r.DRAW_FRAMEBUFFER]=t),!0)}drawBuffers(e,t){const{gl:r}=this;let s=[],i=!1;if(null!==e.textures){s=this.currentDrawbuffers.get(t),void 0===s&&(s=[],this.currentDrawbuffers.set(t,s));const n=e.textures;if(s.length!==n.length||s[0]!==r.COLOR_ATTACHMENT0){for(let e=0,t=n.length;e<t;e++)s[e]=r.COLOR_ATTACHMENT0+e;s.length=n.length,i=!0}}else s[0]!==r.BACK&&(s[0]=r.BACK,i=!0);i&&r.drawBuffers(s)}activeTexture(e){const{gl:t,currentTextureSlot:r,maxTextures:s}=this;void 0===e&&(e=t.TEXTURE0+s-1),r!==e&&(t.activeTexture(e),this.currentTextureSlot=e)}bindTexture(e,t,r){const{gl:s,currentTextureSlot:i,currentBoundTextures:n,maxTextures:a}=this;void 0===r&&(r=null===i?s.TEXTURE0+a-1:i);let o=n[r];void 0===o&&(o={type:void 0,texture:void 0},n[r]=o),o.type===e&&o.texture===t||(i!==r&&(s.activeTexture(r),this.currentTextureSlot=r),s.bindTexture(e,t),o.type=e,o.texture=t)}bindBufferBase(e,t,r){const{gl:s}=this,i=`${e}-${t}`;return this.currentBoundBufferBases[i]!==r&&(s.bindBufferBase(e,t,r),this.currentBoundBufferBases[i]=r,!0)}unbindTexture(){const{gl:e,currentTextureSlot:t,currentBoundTextures:r}=this,s=r[t];void 0!==s&&void 0!==s.type&&(e.bindTexture(s.type,null),s.type=void 0,s.texture=void 0)}getParameter(e){const{gl:t,parameters:r}=this;return void 0!==r[e]?r[e]:t.getParameter(e)}pixelStorei(e,t){const{gl:r,parameters:s}=this;s[e]!==t&&(r.pixelStorei(e,t),s[e]=t)}}class uE{constructor(e){this.backend=e,this.gl=this.backend.gl,this.extensions=e.extensions}convert(e,t=T){const{gl:r,extensions:s}=this;let i;const n=p.getTransfer(t);if(e===Ve)return r.UNSIGNED_BYTE;if(e===Ke)return r.UNSIGNED_SHORT_4_4_4_4;if(e===Qe)return r.UNSIGNED_SHORT_5_5_5_1;if(e===Je)return r.UNSIGNED_INT_5_9_9_9_REV;if(e===et)return r.UNSIGNED_INT_10F_11F_11F_REV;if(e===Oe)return r.BYTE;if(e===ke)return r.SHORT;if(e===Ge)return r.UNSIGNED_SHORT;if(e===R)return r.INT;if(e===S)return r.UNSIGNED_INT;if(e===Y)return r.FLOAT;if(e===Te)return r.HALF_FLOAT;if(e===$e)return r.ALPHA;if(e===Xe)return r.RGB;if(e===Ee)return r.RGBA;if(e===He)return r.DEPTH_COMPONENT;if(e===je)return r.DEPTH_STENCIL;if(e===ze)return r.RED;if(e===We)return r.RED_INTEGER;if(e===z)return r.RG;if(e===qe)return r.RG_INTEGER;if(e===Ft)return r.RGBA_INTEGER;if(e===or||e===ur||e===lr||e===dr)if(n===g){if(i=s.get("WEBGL_compressed_texture_s3tc_srgb"),null===i)return null;if(e===or)return i.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(e===ur)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(e===lr)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(e===dr)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(i=s.get("WEBGL_compressed_texture_s3tc"),null===i)return null;if(e===or)return i.COMPRESSED_RGB_S3TC_DXT1_EXT;if(e===ur)return i.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(e===lr)return i.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(e===dr)return i.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(e===cr||e===hr||e===pr||e===gr){if(i=s.get("WEBGL_compressed_texture_pvrtc"),null===i)return null;if(e===cr)return i.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(e===hr)return i.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(e===pr)return i.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(e===gr)return i.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(e===mr||e===fr||e===yr||e===br||e===xr||e===H||e===Tr){if(i=s.get("WEBGL_compressed_texture_etc"),null===i)return null;if(e===mr||e===fr)return n===g?i.COMPRESSED_SRGB8_ETC2:i.COMPRESSED_RGB8_ETC2;if(e===yr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:i.COMPRESSED_RGBA8_ETC2_EAC;if(e===br)return i.COMPRESSED_R11_EAC;if(e===xr)return i.COMPRESSED_SIGNED_R11_EAC;if(e===H)return i.COMPRESSED_RG11_EAC;if(e===Tr)return i.COMPRESSED_SIGNED_RG11_EAC}if(e===_r||e===vr||e===Nr||e===Sr||e===Rr||e===Er||e===wr||e===Ar||e===Cr||e===Mr||e===Br||e===Lr||e===Fr||e===Pr){if(i=s.get("WEBGL_compressed_texture_astc"),null===i)return null;if(e===_r)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:i.COMPRESSED_RGBA_ASTC_4x4_KHR;if(e===vr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:i.COMPRESSED_RGBA_ASTC_5x4_KHR;if(e===Nr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:i.COMPRESSED_RGBA_ASTC_5x5_KHR;if(e===Sr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:i.COMPRESSED_RGBA_ASTC_6x5_KHR;if(e===Rr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:i.COMPRESSED_RGBA_ASTC_6x6_KHR;if(e===Er)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:i.COMPRESSED_RGBA_ASTC_8x5_KHR;if(e===wr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:i.COMPRESSED_RGBA_ASTC_8x6_KHR;if(e===Ar)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:i.COMPRESSED_RGBA_ASTC_8x8_KHR;if(e===Cr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:i.COMPRESSED_RGBA_ASTC_10x5_KHR;if(e===Mr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:i.COMPRESSED_RGBA_ASTC_10x6_KHR;if(e===Br)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:i.COMPRESSED_RGBA_ASTC_10x8_KHR;if(e===Lr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:i.COMPRESSED_RGBA_ASTC_10x10_KHR;if(e===Fr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:i.COMPRESSED_RGBA_ASTC_12x10_KHR;if(e===Pr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:i.COMPRESSED_RGBA_ASTC_12x12_KHR}if(e===Ur||e===Dr||e===Ir){if(i=s.get("EXT_texture_compression_bptc"),null===i)return null;if(e===Ur)return n===g?i.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:i.COMPRESSED_RGBA_BPTC_UNORM_EXT;if(e===Dr)return i.COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT;if(e===Ir)return i.COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT}if(e===Or||e===Vr||e===W||e===kr){if(i=s.get("EXT_texture_compression_rgtc"),null===i)return null;if(e===Or)return i.COMPRESSED_RED_RGTC1_EXT;if(e===Vr)return i.COMPRESSED_SIGNED_RED_RGTC1_EXT;if(e===W)return i.COMPRESSED_RED_GREEN_RGTC2_EXT;if(e===kr)return i.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT}return e===Ze?r.UNSIGNED_INT_24_8:void 0!==r[e]?r[e]:null}_clientWaitAsync(){const{gl:e}=this,t=e.fenceSync(e.SYNC_GPU_COMMANDS_COMPLETE,0);return e.flush(),new Promise((r,s)=>{!function i(){const n=e.clientWaitSync(t,e.SYNC_FLUSH_COMMANDS_BIT,0);if(n===e.WAIT_FAILED)return e.deleteSync(t),void s();n!==e.TIMEOUT_EXPIRED?(e.deleteSync(t),r()):requestAnimationFrame(i)}()})}}let lE,dE,cE,hE=!1;class pE{constructor(e){this.backend=e,this.gl=e.gl,this.extensions=e.extensions,this.defaultTextures={},this._srcFramebuffer=null,this._dstFramebuffer=null,!1===hE&&(this._init(),hE=!0)}_init(){const e=this.gl;lE={[$r]:e.REPEAT,[_e]:e.CLAMP_TO_EDGE,[Gr]:e.MIRRORED_REPEAT},dE={[B]:e.NEAREST,[zr]:e.NEAREST_MIPMAP_NEAREST,[bt]:e.NEAREST_MIPMAP_LINEAR,[le]:e.LINEAR,[yt]:e.LINEAR_MIPMAP_NEAREST,[Q]:e.LINEAR_MIPMAP_LINEAR},cE={[qr]:e.NEVER,[jr]:e.ALWAYS,[w]:e.LESS,[A]:e.LEQUAL,[Hr]:e.EQUAL,[M]:e.GEQUAL,[C]:e.GREATER,[Wr]:e.NOTEQUAL}}getGLTextureType(e){const{gl:t}=this;let r;return r=!0===e.isCubeTexture?t.TEXTURE_CUBE_MAP:!0===e.isArrayTexture||!0===e.isDataArrayTexture||!0===e.isCompressedArrayTexture?t.TEXTURE_2D_ARRAY:!0===e.isData3DTexture?t.TEXTURE_3D:t.TEXTURE_2D,r}getInternalFormat(e,t,r,s,i,n=!1){const{gl:a,extensions:o}=this;if(null!==e){if(void 0!==a[e])return a[e];d("WebGLBackend: Attempt to use non-existing WebGL internal format '"+e+"'")}let u=null;s&&(u=o.get("EXT_texture_norm16"),u||d("WebGLRenderer: Unable to use normalized textures without EXT_texture_norm16 extension"));let l=t;if(t===a.RED&&(r===a.FLOAT&&(l=a.R32F),r===a.HALF_FLOAT&&(l=a.R16F),r===a.UNSIGNED_BYTE&&(l=a.R8),r===a.BYTE&&(l=a.R8_SNORM),r===a.UNSIGNED_SHORT&&u&&(l=u.R16_EXT),r===a.SHORT&&u&&(l=u.R16_SNORM_EXT)),t===a.RED_INTEGER&&(r===a.UNSIGNED_BYTE&&(l=a.R8UI),r===a.UNSIGNED_SHORT&&(l=a.R16UI),r===a.UNSIGNED_INT&&(l=a.R32UI),r===a.BYTE&&(l=a.R8I),r===a.SHORT&&(l=a.R16I),r===a.INT&&(l=a.R32I)),t===a.RG&&(r===a.FLOAT&&(l=a.RG32F),r===a.HALF_FLOAT&&(l=a.RG16F),r===a.UNSIGNED_BYTE&&(l=a.RG8),r===a.BYTE&&(l=a.RG8_SNORM),r===a.UNSIGNED_SHORT&&u&&(l=u.RG16_EXT),r===a.SHORT&&u&&(l=u.RG16_SNORM_EXT)),t===a.RG_INTEGER&&(r===a.UNSIGNED_BYTE&&(l=a.RG8UI),r===a.UNSIGNED_SHORT&&(l=a.RG16UI),r===a.UNSIGNED_INT&&(l=a.RG32UI),r===a.BYTE&&(l=a.RG8I),r===a.SHORT&&(l=a.RG16I),r===a.INT&&(l=a.RG32I)),t===a.RGB){const e=n?Xr:p.getTransfer(i);r===a.FLOAT&&(l=a.RGB32F),r===a.HALF_FLOAT&&(l=a.RGB16F),r===a.UNSIGNED_BYTE&&(l=e===g?a.SRGB8:a.RGB8),r===a.BYTE&&(l=a.RGB8_SNORM),r===a.UNSIGNED_SHORT&&u&&(l=u.RGB16_EXT),r===a.SHORT&&u&&(l=u.RGB16_SNORM_EXT),r===a.UNSIGNED_SHORT_5_6_5&&(l=a.RGB565),r===a.UNSIGNED_SHORT_5_5_5_1&&(l=a.RGB5_A1),r===a.UNSIGNED_SHORT_4_4_4_4&&(l=a.RGB4),r===a.UNSIGNED_INT_5_9_9_9_REV&&(l=a.RGB9_E5),r===a.UNSIGNED_INT_10F_11F_11F_REV&&(l=a.R11F_G11F_B10F)}if(t===a.RGB_INTEGER&&(r===a.UNSIGNED_BYTE&&(l=a.RGB8UI),r===a.UNSIGNED_SHORT&&(l=a.RGB16UI),r===a.UNSIGNED_INT&&(l=a.RGB32UI),r===a.BYTE&&(l=a.RGB8I),r===a.SHORT&&(l=a.RGB16I),r===a.INT&&(l=a.RGB32I)),t===a.RGBA){const e=n?Xr:p.getTransfer(i);r===a.FLOAT&&(l=a.RGBA32F),r===a.HALF_FLOAT&&(l=a.RGBA16F),r===a.UNSIGNED_BYTE&&(l=e===g?a.SRGB8_ALPHA8:a.RGBA8),r===a.BYTE&&(l=a.RGBA8_SNORM),r===a.UNSIGNED_SHORT&&u&&(l=u.RGBA16_EXT),r===a.SHORT&&u&&(l=u.RGBA16_SNORM_EXT),r===a.UNSIGNED_SHORT_4_4_4_4&&(l=a.RGBA4),r===a.UNSIGNED_SHORT_5_5_5_1&&(l=a.RGB5_A1)}return t===a.RGBA_INTEGER&&(r===a.UNSIGNED_BYTE&&(l=a.RGBA8UI),r===a.UNSIGNED_SHORT&&(l=a.RGBA16UI),r===a.UNSIGNED_INT&&(l=a.RGBA32UI),r===a.BYTE&&(l=a.RGBA8I),r===a.SHORT&&(l=a.RGBA16I),r===a.INT&&(l=a.RGBA32I)),t===a.DEPTH_COMPONENT&&(r===a.UNSIGNED_SHORT&&(l=a.DEPTH_COMPONENT16),r===a.UNSIGNED_INT&&(l=a.DEPTH_COMPONENT24),r===a.FLOAT&&(l=a.DEPTH_COMPONENT32F)),t===a.DEPTH_STENCIL&&r===a.UNSIGNED_INT_24_8&&(l=a.DEPTH24_STENCIL8),l!==a.R16F&&l!==a.R32F&&l!==a.RG16F&&l!==a.RG32F&&l!==a.RGBA16F&&l!==a.RGBA32F||o.get("EXT_color_buffer_float"),l}setTextureParameters(e,t){const{gl:r,extensions:s,backend:i}=this,{state:n}=this.backend,a=p.getPrimaries(p.workingColorSpace),o=t.colorSpace===T?null:p.getPrimaries(t.colorSpace),u=t.colorSpace===T||a===o?r.NONE:r.BROWSER_DEFAULT_WEBGL;n.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,t.flipY),n.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),n.pixelStorei(r.UNPACK_ALIGNMENT,t.unpackAlignment),n.pixelStorei(r.UNPACK_COLORSPACE_CONVERSION_WEBGL,u),r.texParameteri(e,r.TEXTURE_WRAP_S,lE[t.wrapS]),r.texParameteri(e,r.TEXTURE_WRAP_T,lE[t.wrapT]),e!==r.TEXTURE_3D&&e!==r.TEXTURE_2D_ARRAY||t.isArrayTexture||r.texParameteri(e,r.TEXTURE_WRAP_R,lE[t.wrapR]),r.texParameteri(e,r.TEXTURE_MAG_FILTER,dE[t.magFilter]);const l=void 0!==t.mipmaps&&t.mipmaps.length>0,d=t.minFilter===le&&l?Q:t.minFilter;if(r.texParameteri(e,r.TEXTURE_MIN_FILTER,dE[d]),t.compareFunction&&(r.texParameteri(e,r.TEXTURE_COMPARE_MODE,r.COMPARE_REF_TO_TEXTURE),r.texParameteri(e,r.TEXTURE_COMPARE_FUNC,cE[t.compareFunction])),!0===s.has("EXT_texture_filter_anisotropic")){if(t.magFilter===B)return;if(t.minFilter!==bt&&t.minFilter!==Q)return;if(t.type===Y&&!1===s.has("OES_texture_float_linear"))return;if(t.anisotropy>1){const n=s.get("EXT_texture_filter_anisotropic");r.texParameterf(e,n.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(t.anisotropy,i.capabilities.getMaxAnisotropy()))}}}createDefaultTexture(e){const{gl:t,backend:r,defaultTextures:s}=this,i=this.getGLTextureType(e);let n=s[i];void 0===n&&(n=t.createTexture(),r.state.bindTexture(i,n),t.texParameteri(i,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(i,t.TEXTURE_MAG_FILTER,t.NEAREST),s[i]=n),r.set(e,{textureGPU:n,glTextureType:i})}createTexture(e,t){const{gl:r,backend:s}=this,{levels:i,width:n,height:a,depth:o}=t,u=s.utils.convert(e.format,e.colorSpace),l=s.utils.convert(e.type),d=this.getInternalFormat(e.internalFormat,u,l,e.normalized,e.colorSpace,e.isVideoTexture),c=r.createTexture(),h=this.getGLTextureType(e);s.state.bindTexture(h,c),this.setTextureParameters(h,e),e.isArrayTexture||e.isDataArrayTexture||e.isCompressedArrayTexture?r.texStorage3D(r.TEXTURE_2D_ARRAY,i,d,n,a,o):e.isData3DTexture?r.texStorage3D(r.TEXTURE_3D,i,d,n,a,o):e.isVideoTexture||r.texStorage2D(h,i,d,n,a),s.set(e,{textureGPU:c,glTextureType:h,glFormat:u,glType:l,glInternalFormat:d})}copyBufferToTexture(e,t){const{gl:r,backend:s}=this,{state:i}=s,{textureGPU:n,glTextureType:a,glFormat:o,glType:u}=s.get(t),{width:l,height:d}=t.source.data;r.bindBuffer(r.PIXEL_UNPACK_BUFFER,e),s.state.bindTexture(a,n),i.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,!1),i.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1),r.texSubImage2D(a,0,0,0,l,d,o,u,0),r.bindBuffer(r.PIXEL_UNPACK_BUFFER,null),s.state.unbindTexture()}updateTexture(e,t){const{gl:r}=this,{width:s,height:i}=t,{textureGPU:n,glTextureType:a,glFormat:o,glType:u,glInternalFormat:l}=this.backend.get(e);if(!e.isRenderTargetTexture&&void 0!==n)if(this.backend.state.bindTexture(a,n),this.setTextureParameters(a,e),e.isCompressedTexture){const s=e.mipmaps,i=t.image;for(let t=0;t<s.length;t++){const n=s[t];e.isCompressedArrayTexture?e.format!==r.RGBA?null!==o?r.compressedTexSubImage3D(r.TEXTURE_2D_ARRAY,t,0,0,0,n.width,n.height,i.depth,o,n.data):d("WebGLBackend: Attempt to load unsupported compressed texture format in .uploadTexture()"):r.texSubImage3D(r.TEXTURE_2D_ARRAY,t,0,0,0,n.width,n.height,i.depth,o,u,n.data):null!==o?r.compressedTexSubImage2D(r.TEXTURE_2D,t,0,0,n.width,n.height,o,n.data):d("WebGLBackend: Unsupported compressed texture format")}}else if(e.isCubeTexture){const n=t.images,a=e.mipmaps;for(let e=0;e<6;e++){const t=gE(n[e]);r.texSubImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,0,0,s,i,o,u,t);for(let t=0;t<a.length;t++){const s=gE(a[t].images[e]);r.texSubImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+e,t+1,0,0,s.width,s.height,o,u,s)}}}else if(e.isDataArrayTexture||e.isArrayTexture){const s=t.image;if(e.layerUpdates.size>0){const t=Yr(s.width,s.height,e.format,e.type);for(const i of e.layerUpdates){const e=s.data.subarray(i*t/s.data.BYTES_PER_ELEMENT,(i+1)*t/s.data.BYTES_PER_ELEMENT);r.texSubImage3D(r.TEXTURE_2D_ARRAY,0,0,0,i,s.width,s.height,1,o,u,e)}e.clearLayerUpdates()}else r.texSubImage3D(r.TEXTURE_2D_ARRAY,0,0,0,0,s.width,s.height,s.depth,o,u,s.data)}else if(e.isData3DTexture){const e=t.image;r.texSubImage3D(r.TEXTURE_3D,0,0,0,0,e.width,e.height,e.depth,o,u,e.data)}else if(e.isVideoTexture)e.update(),r.texImage2D(a,0,l,o,u,t.image);else if(e.isHTMLTexture)"function"==typeof r.texElementImage2D&&r.texElementImage2D(r.TEXTURE_2D,0,r.RGBA,r.RGBA,r.UNSIGNED_BYTE,t.image);else{const n=e.mipmaps;if(n.length>0)for(let e=0,t=n.length;e<t;e++){const t=n[e],s=gE(t);r.texSubImage2D(a,e,0,0,t.width,t.height,o,u,s)}else{const e=gE(t.image);r.texSubImage2D(a,0,0,0,s,i,o,u,e)}}}generateMipmaps(e){const{gl:t,backend:r}=this,{textureGPU:s,glTextureType:i}=r.get(e);r.state.bindTexture(i,s),t.generateMipmap(i)}deallocateRenderBuffers(e){const{gl:t,backend:r}=this;if(e){const s=r.get(e);if(s.renderBufferStorageSetup=void 0,s.framebuffers){for(const e in s.framebuffers)t.deleteFramebuffer(s.framebuffers[e]);delete s.framebuffers}if(s.depthRenderbuffer&&(t.deleteRenderbuffer(s.depthRenderbuffer),delete s.depthRenderbuffer),s.stencilRenderbuffer&&(t.deleteRenderbuffer(s.stencilRenderbuffer),delete s.stencilRenderbuffer),s.msaaFrameBuffer&&(t.deleteFramebuffer(s.msaaFrameBuffer),delete s.msaaFrameBuffer),s.msaaRenderbuffers){for(let e=0;e<s.msaaRenderbuffers.length;e++)t.deleteRenderbuffer(s.msaaRenderbuffers[e]);delete s.msaaRenderbuffers}}}destroyTexture(e,t=!1){const{gl:r,backend:s}=this,{textureGPU:i,renderTarget:n}=s.get(e);this.deallocateRenderBuffers(n),!1===t&&r.deleteTexture(i),s.delete(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){const{gl:a,backend:o}=this,{state:u}=this.backend,{textureGPU:l,glTextureType:d,glType:c,glFormat:h}=o.get(t);let p,g,m,f,y,b,x,T,_;u.bindTexture(d,l);const v=e.isCompressedTexture?e.mipmaps[n]:e.image;if(null!==r)p=r.max.x-r.min.x,g=r.max.y-r.min.y,m=r.isBox3?r.max.z-r.min.z:1,f=r.min.x,y=r.min.y,b=r.isBox3?r.min.z:0;else{const t=Math.pow(2,-i);p=Math.floor(v.width*t),g=Math.floor(v.height*t),m=e.isDataArrayTexture||e.isArrayTexture?v.depth:e.isData3DTexture?Math.floor(v.depth*t):1,f=0,y=0,b=0}null!==s?(x=s.x,T=s.y,_=s.z):(x=0,T=0,_=0),u.pixelStorei(a.UNPACK_FLIP_Y_WEBGL,t.flipY),u.pixelStorei(a.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),u.pixelStorei(a.UNPACK_ALIGNMENT,t.unpackAlignment);const N=u.getParameter(a.UNPACK_ROW_LENGTH),S=u.getParameter(a.UNPACK_IMAGE_HEIGHT),R=u.getParameter(a.UNPACK_SKIP_PIXELS),E=u.getParameter(a.UNPACK_SKIP_ROWS),w=u.getParameter(a.UNPACK_SKIP_IMAGES);u.pixelStorei(a.UNPACK_ROW_LENGTH,v.width),u.pixelStorei(a.UNPACK_IMAGE_HEIGHT,v.height),u.pixelStorei(a.UNPACK_SKIP_PIXELS,f),u.pixelStorei(a.UNPACK_SKIP_ROWS,y),u.pixelStorei(a.UNPACK_SKIP_IMAGES,b);const A=e.isDataArrayTexture||e.isData3DTexture||t.isArrayTexture,C=t.isDataArrayTexture||t.isData3DTexture||t.isArrayTexture;if(e.isDepthTexture){const r=o.get(e),s=o.get(t),d=o.get(r.renderTarget),c=o.get(s.renderTarget),h=d.framebuffers[r.cacheKey],v=c.framebuffers[s.cacheKey];u.bindFramebuffer(a.READ_FRAMEBUFFER,h),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,v);for(let e=0;e<m;e++)A&&(a.framebufferTextureLayer(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,r.textureGPU,i,b+e),a.framebufferTextureLayer(a.DRAW_FRAMEBUFFER,a.COLOR_ATTACHMENT0,l,n,_+e)),a.blitFramebuffer(f,y,p,g,x,T,p,g,a.DEPTH_BUFFER_BIT,a.NEAREST);u.bindFramebuffer(a.READ_FRAMEBUFFER,null),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,null)}else if(0!==i||e.isRenderTargetTexture||o.has(e)){const t=o.get(e);null===this._srcFramebuffer&&(this._srcFramebuffer=a.createFramebuffer()),null===this._dstFramebuffer&&(this._dstFramebuffer=a.createFramebuffer()),u.bindFramebuffer(a.READ_FRAMEBUFFER,this._srcFramebuffer),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,this._dstFramebuffer);for(let e=0;e<m;e++)A?a.framebufferTextureLayer(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,t.textureGPU,i,b+e):a.framebufferTexture2D(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,a.TEXTURE_2D,t.textureGPU,i),C?a.framebufferTextureLayer(a.DRAW_FRAMEBUFFER,a.COLOR_ATTACHMENT0,l,n,_+e):a.framebufferTexture2D(a.DRAW_FRAMEBUFFER,a.COLOR_ATTACHMENT0,a.TEXTURE_2D,l,n),0!==i?a.blitFramebuffer(f,y,p,g,x,T,p,g,a.COLOR_BUFFER_BIT,a.NEAREST):C?a.copyTexSubImage3D(d,n,x,T,_+e,f,y,p,g):a.copyTexSubImage2D(d,n,x,T,f,y,p,g);u.bindFramebuffer(a.READ_FRAMEBUFFER,null),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,null)}else C?e.isDataTexture||e.isData3DTexture?a.texSubImage3D(d,n,x,T,_,p,g,m,h,c,v.data):t.isCompressedArrayTexture?a.compressedTexSubImage3D(d,n,x,T,_,p,g,m,h,v.data):a.texSubImage3D(d,n,x,T,_,p,g,m,h,c,v):e.isDataTexture?a.texSubImage2D(a.TEXTURE_2D,n,x,T,p,g,h,c,v.data):e.isCompressedTexture?a.compressedTexSubImage2D(a.TEXTURE_2D,n,x,T,v.width,v.height,h,v.data):a.texSubImage2D(a.TEXTURE_2D,n,x,T,p,g,h,c,v);u.pixelStorei(a.UNPACK_ROW_LENGTH,N),u.pixelStorei(a.UNPACK_IMAGE_HEIGHT,S),u.pixelStorei(a.UNPACK_SKIP_PIXELS,R),u.pixelStorei(a.UNPACK_SKIP_ROWS,E),u.pixelStorei(a.UNPACK_SKIP_IMAGES,w),0===n&&t.generateMipmaps&&a.generateMipmap(d),u.unbindTexture()}copyFramebufferToTexture(e,t,r){const{gl:s}=this,{state:i}=this.backend,{textureGPU:n}=this.backend.get(e),{x:a,y:o,z:u,w:l}=r,d=!0===e.isDepthTexture||t.renderTarget&&t.renderTarget.samples>0,c=t.renderTarget?t.renderTarget.height:this.backend.getDrawingBufferSize().y;if(d){const r=0!==a||0!==o;let d,h;if(!0===e.isDepthTexture?(d=s.DEPTH_BUFFER_BIT,h=s.DEPTH_ATTACHMENT,t.stencil&&(d|=s.STENCIL_BUFFER_BIT)):(d=s.COLOR_BUFFER_BIT,h=s.COLOR_ATTACHMENT0),r){const e=this.backend.get(t.renderTarget),r=e.framebuffers[t.getCacheKey()],h=e.msaaFrameBuffer;i.bindFramebuffer(s.DRAW_FRAMEBUFFER,r),i.bindFramebuffer(s.READ_FRAMEBUFFER,h);const p=c-o-l;s.blitFramebuffer(a,p,a+u,p+l,a,p,a+u,p+l,d,s.NEAREST),i.bindFramebuffer(s.READ_FRAMEBUFFER,r),i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,a,p,u,l),i.unbindTexture()}else{const e=s.createFramebuffer();i.bindFramebuffer(s.DRAW_FRAMEBUFFER,e),s.framebufferTexture2D(s.DRAW_FRAMEBUFFER,h,s.TEXTURE_2D,n,0),s.blitFramebuffer(0,0,u,l,0,0,u,l,d,s.NEAREST),s.deleteFramebuffer(e)}}else i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,a,c-l-o,u,l),i.unbindTexture();e.generateMipmaps&&this.generateMipmaps(e),this.backend._setFramebuffer(t)}setupRenderBufferStorage(e,t,r,s=!1){const{gl:i}=this,n=t.renderTarget,{depthTexture:a,depthBuffer:o,stencilBuffer:u,width:l,height:d}=n;if(i.bindRenderbuffer(i.RENDERBUFFER,e),o&&!u){let t=i.DEPTH_COMPONENT24;if(!0===s){this.extensions.get("WEBGL_multisampled_render_to_texture").renderbufferStorageMultisampleEXT(i.RENDERBUFFER,n.samples,t,l,d)}else r>0?(a&&a.isDepthTexture&&a.type===i.FLOAT&&(t=i.DEPTH_COMPONENT32F),i.renderbufferStorageMultisample(i.RENDERBUFFER,r,t,l,d)):i.renderbufferStorage(i.RENDERBUFFER,t,l,d);i.framebufferRenderbuffer(i.FRAMEBUFFER,i.DEPTH_ATTACHMENT,i.RENDERBUFFER,e)}else o&&u&&(r>0?i.renderbufferStorageMultisample(i.RENDERBUFFER,r,i.DEPTH24_STENCIL8,l,d):i.renderbufferStorage(i.RENDERBUFFER,i.DEPTH_STENCIL,l,d),i.framebufferRenderbuffer(i.FRAMEBUFFER,i.DEPTH_STENCIL_ATTACHMENT,i.RENDERBUFFER,e));i.bindRenderbuffer(i.RENDERBUFFER,null)}async copyTextureToBuffer(e,t,r,s,i,n){const{backend:a,gl:o}=this,{textureGPU:u,glFormat:l,glType:d}=this.backend.get(e),c=o.createFramebuffer();a.state.bindFramebuffer(o.READ_FRAMEBUFFER,c);const h=e.isCubeTexture?o.TEXTURE_CUBE_MAP_POSITIVE_X+n:o.TEXTURE_2D;o.framebufferTexture2D(o.READ_FRAMEBUFFER,o.COLOR_ATTACHMENT0,h,u,0);const p=this._getTypedArrayType(d),g=s*i*this._getBytesPerTexel(d,l),m=o.createBuffer();o.bindBuffer(o.PIXEL_PACK_BUFFER,m),o.bufferData(o.PIXEL_PACK_BUFFER,g,o.STREAM_READ),o.readPixels(t,r,s,i,l,d,0),o.bindBuffer(o.PIXEL_PACK_BUFFER,null),await a.utils._clientWaitAsync();const f=new p(g/p.BYTES_PER_ELEMENT);return o.bindBuffer(o.PIXEL_PACK_BUFFER,m),o.getBufferSubData(o.PIXEL_PACK_BUFFER,0,f),o.bindBuffer(o.PIXEL_PACK_BUFFER,null),a.state.bindFramebuffer(o.READ_FRAMEBUFFER,null),o.deleteFramebuffer(c),f}_getTypedArrayType(e){const{gl:t}=this;if(e===t.UNSIGNED_BYTE)return Uint8Array;if(e===t.UNSIGNED_SHORT_4_4_4_4)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_5_5_1)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_6_5)return Uint16Array;if(e===t.UNSIGNED_SHORT)return Uint16Array;if(e===t.UNSIGNED_INT)return Uint32Array;if(e===t.HALF_FLOAT)return Uint16Array;if(e===t.FLOAT)return Float32Array;throw new Error(`THREE.WebGLTextureUtils: Unsupported WebGL type: ${e}`)}_getBytesPerTexel(e,t){const{gl:r}=this;let s=0;return e===r.UNSIGNED_BYTE&&(s=1),e!==r.UNSIGNED_SHORT_4_4_4_4&&e!==r.UNSIGNED_SHORT_5_5_5_1&&e!==r.UNSIGNED_SHORT_5_6_5&&e!==r.UNSIGNED_SHORT&&e!==r.HALF_FLOAT||(s=2),e!==r.UNSIGNED_INT&&e!==r.FLOAT||(s=4),t===r.RGBA?4*s:t===r.RGB?3*s:t===r.ALPHA?s:void 0}dispose(){const{gl:e}=this;null!==this._srcFramebuffer&&e.deleteFramebuffer(this._srcFramebuffer),null!==this._dstFramebuffer&&e.deleteFramebuffer(this._dstFramebuffer)}}function gE(e){return e.isDataTexture?e.image.data:"undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap||"undefined"!=typeof OffscreenCanvas&&e instanceof OffscreenCanvas?e:e.data}class mE{constructor(e){this.backend=e,this.gl=this.backend.gl,this.availableExtensions=this.gl.getSupportedExtensions(),this.extensions={}}get(e){let t=this.extensions[e];return void 0===t&&(t=this.gl.getExtension(e),this.extensions[e]=t),t}has(e){return this.availableExtensions.includes(e)}}class fE{constructor(e){this.backend=e,this.maxAnisotropy=null,this.maxUniformBlockSize=null}getMaxAnisotropy(){if(null!==this.maxAnisotropy)return this.maxAnisotropy;const e=this.backend.gl,t=this.backend.extensions;if(!0===t.has("EXT_texture_filter_anisotropic")){const r=t.get("EXT_texture_filter_anisotropic");this.maxAnisotropy=e.getParameter(r.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else this.maxAnisotropy=0;return this.maxAnisotropy}getUniformBufferLimit(){if(null!==this.maxUniformBlockSize)return this.maxUniformBlockSize;const e=this.backend.gl;return this.maxUniformBlockSize=e.getParameter(e.MAX_UNIFORM_BLOCK_SIZE),this.maxUniformBlockSize}}const yE={WEBGL_multi_draw:"WEBGL_multi_draw",WEBGL_compressed_texture_astc:"texture-compression-astc",WEBGL_compressed_texture_etc:"texture-compression-etc2",WEBGL_compressed_texture_etc1:"texture-compression-etc1",WEBGL_compressed_texture_pvrtc:"texture-compression-pvrtc",WEBGL_compressed_texture_s3tc:"texture-compression-s3tc",EXT_texture_compression_bptc:"texture-compression-bc",EXT_disjoint_timer_query_webgl2:"timestamp-query",OVR_multiview2:"OVR_multiview2"};class bE{constructor(e){this.gl=e.gl,this.extensions=e.extensions,this.info=e.renderer.info,this.mode=null,this.index=0,this.type=null,this.object=null}render(e,t){const{gl:r,mode:s,object:i,type:n,info:a,index:o}=this;0!==o?r.drawElements(s,t,n,e):r.drawArrays(s,e,t),a.update(i,t,1)}renderInstances(e,t,r){const{gl:s,mode:i,type:n,index:a,object:o,info:u}=this;0!==r&&(0!==a?s.drawElementsInstanced(i,t,n,e,r):s.drawArraysInstanced(i,e,t,r),u.update(o,t,r))}renderMultiDraw(e,t,r){const{extensions:s,mode:i,object:n,info:a}=this;if(0===r)return;const o=s.get("WEBGL_multi_draw");if(null===o)for(let s=0;s<r;s++)this.render(e[s],t[s]);else{0!==this.index?o.multiDrawElementsWEBGL(i,t,0,this.type,e,0,r):o.multiDrawArraysWEBGL(i,e,0,t,0,r);let s=0;for(let e=0;e<r;e++)s+=t[e];a.update(n,s,1)}}}class xE{constructor(e=256){this.trackTimestamp=!0,this.maxQueries=e,this.currentQueryIndex=0,this.queryOffsets=new Map,this.isDisposed=!1,this.lastValue=0,this.frames=[],this.pendingResolve=!1,this.timestamps=new Map}getTimestampFrames(){return this.frames}getTimestamp(e){let t=this.timestamps.get(e);return void 0===t&&(d(`TimestampQueryPool: No timestamp available for uid ${e}.`),t=0),t}hasTimestamp(e){return this.timestamps.has(e)}allocateQueriesForContext(){}async resolveQueriesAsync(){}dispose(){}}class TE extends xE{constructor(e,t,r=2048){if(super(r),this.gl=e,this.type=t,this.ext=e.getExtension("EXT_disjoint_timer_query_webgl2")||e.getExtension("EXT_disjoint_timer_query"),!this.ext)return d("EXT_disjoint_timer_query not supported; timestamps will be disabled."),void(this.trackTimestamp=!1);this.queries=[];for(let t=0;t<this.maxQueries;t++)this.queries.push(e.createQuery());this.activeQuery=null,this.queryStates=new Map}allocateQueriesForContext(e){if(!this.trackTimestamp)return null;if(this.currentQueryIndex+2>this.maxQueries)return v(`WebGLTimestampQueryPool [${this.type}]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${this.type.toUpperCase()} ).`),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryStates.set(t,"inactive"),this.queryOffsets.set(e,t),t}beginQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e);if(null==t)return;if(null!==this.activeQuery)return;const r=this.queries[t];if(r)try{"inactive"===this.queryStates.get(t)&&(this.gl.beginQuery(this.ext.TIME_ELAPSED_EXT,r),this.activeQuery=t,this.queryStates.set(t,"started"))}catch(e){o("Error in beginQuery:",e),this.activeQuery=null,this.queryStates.set(t,"inactive")}}endQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e);if(null!=t&&this.activeQuery===t)try{this.gl.endQuery(this.ext.TIME_ELAPSED_EXT),this.queryStates.set(t,"ended"),this.activeQuery=null}catch(e){o("Error in endQuery:",e),this.queryStates.set(t,"inactive"),this.activeQuery=null}}async resolveQueriesAsync(){if(!this.trackTimestamp||this.pendingResolve)return this.lastValue;this.pendingResolve=!0;try{const e=new Map;for(const[t,r]of this.queryOffsets){if("ended"===this.queryStates.get(r)){const s=this.queries[r];e.set(t,this.resolveQuery(s))}}if(0===e.size)return this.lastValue;const t={},r=[];for(const[s,i]of e){const e=s.match(/^(.*):f(\d+)$/),n=parseInt(e[2]);!1===r.includes(n)&&r.push(n),void 0===t[n]&&(t[n]=0);const a=await i;this.timestamps.set(s,a),t[n]+=a}const s=t[r[r.length-1]];return this.lastValue=s,this.frames=r,this.currentQueryIndex=0,this.queryOffsets.clear(),this.queryStates.clear(),this.activeQuery=null,s}catch(e){return o("Error resolving queries:",e),this.lastValue}finally{this.pendingResolve=!1}}async resolveQuery(e){return new Promise(t=>{if(this.isDisposed)return void t(this.lastValue);let r,s=!1;const i=e=>{s||(s=!0,r&&(clearTimeout(r),r=null),t(e))},n=()=>{if(this.isDisposed)i(this.lastValue);else try{if(this.gl.getParameter(this.ext.GPU_DISJOINT_EXT))return void i(this.lastValue);if(!this.gl.getQueryParameter(e,this.gl.QUERY_RESULT_AVAILABLE))return void(r=setTimeout(n,1));const s=this.gl.getQueryParameter(e,this.gl.QUERY_RESULT);t(Number(s)/1e6)}catch(e){o("Error checking query:",e),t(this.lastValue)}};n()})}dispose(){if(!this.isDisposed&&(this.isDisposed=!0,this.trackTimestamp)){for(const e of this.queries)this.gl.deleteQuery(e);this.queries=[],this.queryStates.clear(),this.queryOffsets.clear(),this.lastValue=0,this.activeQuery=null}}}class _E extends tE{constructor(e={}){super(e),this.isWebGLBackend=!0,this.attributeUtils=null,this.extensions=null,this.capabilities=null,this.textureUtils=null,this.bufferRenderer=null,this.gl=null,this.state=null,this.utils=null,this.vaoCache={},this.transformFeedbackCache={},this.discard=!1,this.disjoint=null,this.parallel=null,this._currentContext=null,this._knownBindings=new WeakSet,this._supportsInvalidateFramebuffer="undefined"!=typeof navigator&&/OculusBrowser/g.test(navigator.userAgent),this._xrFramebuffer=null}init(e){super.init(e);const t=this.parameters,r={antialias:e.currentSamples>0,alpha:!0,depth:e.depth,stencil:e.stencil},s=void 0!==t.context?t.context:e.domElement.getContext("webgl2",r);function i(t){t.preventDefault();const r={api:"WebGL",message:t.statusMessage||"Unknown reason",reason:null,originalEvent:t};e.onDeviceLost(r)}this._onContextLost=i,e.domElement.addEventListener("webglcontextlost",i,!1),this.gl=s,this.extensions=new mE(this),this.capabilities=new fE(this),this.attributeUtils=new aE(this),this.textureUtils=new pE(this),this.bufferRenderer=new bE(this),this.state=new oE(this),this.utils=new uE(this),this.extensions.get("EXT_color_buffer_float"),this.extensions.get("WEBGL_clip_cull_distance"),this.extensions.get("OES_texture_float_linear"),this.extensions.get("EXT_color_buffer_half_float"),this.extensions.get("WEBGL_multisampled_render_to_texture"),this.extensions.get("WEBGL_render_shared_exponent"),this.extensions.get("WEBGL_multi_draw"),this.extensions.get("OVR_multiview2"),this.extensions.get("EXT_clip_control"),this.disjoint=this.extensions.get("EXT_disjoint_timer_query_webgl2"),this.parallel=this.extensions.get("KHR_parallel_shader_compile"),this.drawBuffersIndexedExt=this.extensions.get("OES_draw_buffers_indexed"),t.reversedDepthBuffer&&(this.extensions.has("EXT_clip_control")?e.reversedDepthBuffer=!0:(d("WebGPURenderer: Unable to use reversed depth buffer due to missing EXT_clip_control extension. Fallback to default depth buffer."),e.reversedDepthBuffer=!1)),e.reversedDepthBuffer&&this.state.setReversedDepth(!0)}get coordinateSystem(){return c}async getArrayBufferAsync(e,t=null,r=0,s=-1){return await this.attributeUtils.getArrayBufferAsync(e,t,r,s)}async makeXRCompatible(){!0!==this.gl.getContextAttributes().xrCompatible&&await this.gl.makeXRCompatible()}setXRTarget(e){this._xrFramebuffer=e}setXRRenderTargetTextures(e,t,r=null){const s=this.gl;if(this.set(e.texture,{textureGPU:t,glInternalFormat:s.RGBA8}),null!==r){const t=e.stencilBuffer?s.DEPTH24_STENCIL8:s.DEPTH_COMPONENT24;this.set(e.depthTexture,{textureGPU:r,glInternalFormat:t}),!0===this.extensions.has("WEBGL_multisampled_render_to_texture")&&!0===e._autoAllocateDepthBuffer&&!1===e.multiview&&d("WebGLBackend: Render-to-texture extension was disabled because an external texture was provided"),e._autoAllocateDepthBuffer=!1}}initTimestampQuery(e,t){if(!this.disjoint||!this.trackTimestamp)return;this.timestampQueryPool[e]||(this.timestampQueryPool[e]=new TE(this.gl,e,2048));const r=this.timestampQueryPool[e];null!==r.allocateQueriesForContext(t)&&r.beginQuery(t)}prepareTimestampBuffer(e,t){if(!this.disjoint||!this.trackTimestamp)return;this.timestampQueryPool[e].endQuery(t)}getContext(){return this.gl}beginRender(e){const{state:t}=this,r=this.get(e);if(e.viewport)this.updateViewport(e);else{const{width:e,height:r}=this.getDrawingBufferSize();t.viewport(0,0,e,r)}if(e.scissor)this.updateScissor(e);else{const{width:e,height:r}=this.getDrawingBufferSize();t.scissor(0,0,e,r)}this.initTimestampQuery(Pt.RENDER,this.getTimestampUID(e)),r.previousContext=this._currentContext,this._currentContext=e,this._setFramebuffer(e),this.clear(e.clearColor,e.clearDepth,e.clearStencil,e,!1);const s=e.occlusionQueryCount;s>0&&(r.currentOcclusionQueries=r.occlusionQueries,r.currentOcclusionQueryObjects=r.occlusionQueryObjects,r.lastOcclusionObject=null,r.occlusionQueries=new Array(s),r.occlusionQueryObjects=new Array(s),r.occlusionQueryIndex=0)}finishRender(e){const{gl:t,state:r}=this,s=this.get(e),i=s.previousContext;r.resetVertexState();const n=e.occlusionQueryCount;n>0&&(n>s.occlusionQueryIndex&&t.endQuery(t.ANY_SAMPLES_PASSED),this.resolveOccludedAsync(e));const a=e.textures;if(null!==a)for(let e=0;e<a.length;e++){const t=a[e];t.generateMipmaps&&this.generateMipmaps(t)}if(this._currentContext=i,this._resolveRenderTarget(e),null!==i){if(this._setFramebuffer(i),i.viewport)this.updateViewport(i);else{const{width:e,height:t}=this.getDrawingBufferSize();r.viewport(0,0,e,t)}if(i.scissor)this.updateScissor(i);else{const{width:e,height:t}=this.getDrawingBufferSize();r.scissor(0,0,e,t)}}this.prepareTimestampBuffer(Pt.RENDER,this.getTimestampUID(e))}resolveOccludedAsync(e){const t=this.get(e),{currentOcclusionQueries:r,currentOcclusionQueryObjects:s}=t;if(r&&s){const e=new WeakSet,{gl:i}=this;t.currentOcclusionQueryObjects=null,t.currentOcclusionQueries=null;const n=()=>{let a=0;for(let t=0;t<r.length;t++){const n=r[t];null!==n&&(i.getQueryParameter(n,i.QUERY_RESULT_AVAILABLE)&&(0===i.getQueryParameter(n,i.QUERY_RESULT)&&e.add(s[t]),r[t]=null,i.deleteQuery(n),a++))}a<r.length?requestAnimationFrame(n):t.occluded=e};n()}}isOccluded(e,t){const r=this.get(e);return r.occluded&&r.occluded.has(t)}updateViewport(e){const{state:t}=this,{x:r,y:s,width:i,height:n}=e.viewportValue;t.viewport(r,e.height-n-s,i,n)}updateScissor(e){const{state:t}=this,{x:r,y:s,width:i,height:n}=e.scissorValue;t.scissor(r,e.height-n-s,i,n)}setScissorTest(e){this.state.setScissorTest(e)}getClearColor(){const e=super.getClearColor();return e.r*=e.a,e.g*=e.a,e.b*=e.a,e}clear(e,t,r,s=null,i=!0,n=!0){const{gl:a,renderer:o}=this;if(null===s){s={textures:null,clearColorValue:this.getClearColor()}}let u=0;if(e&&(u|=a.COLOR_BUFFER_BIT),t&&(u|=a.DEPTH_BUFFER_BIT),r&&(u|=a.STENCIL_BUFFER_BIT),0!==u){let l;l=s.clearColorValue?s.clearColorValue:this.getClearColor();const d=o.getClearDepth(),c=o.getClearStencil();if(t&&this.state.setDepthMask(!0),null===s.textures)a.clearColor(l.r,l.g,l.b,l.a),a.clear(u);else{if(i&&this._setFramebuffer(s),e)for(let e=0;e<s.textures.length;e++)0===e?a.clearBufferfv(a.COLOR,e,[l.r,l.g,l.b,l.a]):a.clearBufferfv(a.COLOR,e,[0,0,0,1]);t&&r?a.clearBufferfi(a.DEPTH_STENCIL,0,d,c):t?a.clearBufferfv(a.DEPTH,0,[d]):r&&a.clearBufferiv(a.STENCIL,0,[c]),i&&n&&this._resolveRenderTarget(s),i&&null!==this._currentContext&&this._currentContext!==s&&this._setFramebuffer(this._currentContext)}}}beginCompute(e){const{state:t,gl:r}=this;t.bindFramebuffer(r.FRAMEBUFFER,null),this.initTimestampQuery(Pt.COMPUTE,this.getTimestampUID(e))}compute(e,t,r,s,i=null){const{state:n,gl:a}=this;!1===this.discard&&(n.enable(a.RASTERIZER_DISCARD),this.discard=!0);const{programGPU:o,transformBuffers:u,attributes:l}=this.get(s),d=this._getVaoKey(l),c=this.vaoCache[d];void 0===c?this.vaoCache[d]=this._createVao(l):n.setVertexState(c),n.useProgram(o),this._bindUniforms(r);const h=this._getTransformFeedback(u);a.bindTransformFeedback(a.TRANSFORM_FEEDBACK,h),a.beginTransformFeedback(a.POINTS),i=null!==i?i:t.count,Array.isArray(i)?(v("WebGLBackend.compute(): The count parameter must be a single number, not an array."),i=i[0]):i&&"object"==typeof i&&i.isIndirectStorageBufferAttribute&&(v("WebGLBackend.compute(): The count parameter must be a single number, not IndirectStorageBufferAttribute"),i=t.count),l[0].isStorageInstancedBufferAttribute?a.drawArraysInstanced(a.POINTS,0,1,i):a.drawArrays(a.POINTS,0,i),a.endTransformFeedback(),a.bindTransformFeedback(a.TRANSFORM_FEEDBACK,null);for(let e=0;e<u.length;e++){const t=u[e];t.pbo&&this.has(t.pbo)&&this.textureUtils.copyBufferToTexture(t.transformBuffer,t.pbo),t.switchBuffers()}}finishCompute(e){const{state:t,gl:r}=this;this.discard=!1,t.disable(r.RASTERIZER_DISCARD),this.prepareTimestampBuffer(Pt.COMPUTE,this.getTimestampUID(e)),this._currentContext&&this._setFramebuffer(this._currentContext)}_isRenderCameraDepthArray(e){return e.depthTexture&&e.depthTexture.isArrayTexture&&e.camera.isArrayCamera}_draw(e,t,r,s,i,n){if(e.isBatchedMesh)if(!1===this.hasFeature("WEBGL_multi_draw")){const{gl:r}=this,s=r.getUniformLocation(n,"nodeUniformDrawId"),i=e._multiDrawStarts,a=e._multiDrawCounts,o=e._multiDrawCount;for(let e=0;e<o;e++)r.uniform1ui(s,e),t.render(i[e],a[e])}else t.renderMultiDraw(e._multiDrawStarts,e._multiDrawCounts,e._multiDrawCount);else i>1?t.renderInstances(r,s,i):t.render(r,s)}draw(e){const{object:t,pipeline:r,material:s,context:i,hardwareClippingPlanes:n}=e,{programGPU:a}=this.get(r),{gl:o,state:u}=this,l=this.get(i),d=e.getDrawParameters();if(null===d)return;this._bindUniforms(e.getBindings());const c=t.isMesh&&t.matrixWorld.determinant()<0;u.setMaterial(s,c,n),null!==i.mrt&&null!==i.textures&&u.setMRTBlending(i.textures,i.mrt,s),u.useProgram(a);const h=e.getAttributes(),p=this.get(h);let g=p.vaoGPU;if(void 0===g){const e=this._getVaoKey(h);g=this.vaoCache[e],void 0===g&&(g=this._createVao(h),this.vaoCache[e]=g,p.vaoGPU=g)}const m=e.getIndex(),f=null!==m?this.get(m).bufferGPU:null;u.setVertexState(g,f);const y=l.lastOcclusionObject;if(y!==t&&void 0!==y){if(null!==y&&!0===y.occlusionTest&&(o.endQuery(o.ANY_SAMPLES_PASSED),l.occlusionQueryIndex++),!0===t.occlusionTest){const e=o.createQuery();o.beginQuery(o.ANY_SAMPLES_PASSED,e),l.occlusionQueries[l.occlusionQueryIndex]=e,l.occlusionQueryObjects[l.occlusionQueryIndex]=t}l.lastOcclusionObject=t}const b=this.bufferRenderer;t.isPoints?b.mode=o.POINTS:t.isLineSegments?b.mode=o.LINES:t.isLine?b.mode=o.LINE_STRIP:t.isLineLoop?b.mode=o.LINE_LOOP:!0===s.wireframe?(u.setLineWidth(s.wireframeLinewidth*this.renderer.getPixelRatio()),b.mode=o.LINES):b.mode=o.TRIANGLES;const{vertexCount:x,instanceCount:T}=d;let{firstVertex:_}=d;if(b.object=t,null!==m){_*=m.array.BYTES_PER_ELEMENT;const e=this.get(m);b.index=m.count,b.type=e.type}else b.index=0;if(!0===e.camera.isArrayCamera&&e.camera.cameras.length>0&&!1===e.camera.isMultiViewCamera){const r=this.get(e.camera),s=e.camera.cameras,i=e.getBindingGroup("cameraIndex").bindings[0];if(void 0===r.indexesGPU||r.indexesGPU.length!==s.length){const e=new Uint32Array([0,0,0,0]),t=[];for(let r=0,i=s.length;r<i;r++){const s=o.createBuffer();e[0]=r,o.bindBuffer(o.UNIFORM_BUFFER,s),o.bufferData(o.UNIFORM_BUFFER,e,o.STATIC_DRAW),t.push(s)}r.indexesGPU=t}let n=0;e:for(const t of e.getBindings())for(const e of t.bindings){if(e===i)break e;(e.isUniformsGroup||e.isUniformBuffer)&&n++}const l=this.renderer.getPixelRatio(),d=this._currentContext.renderTarget,c=this._isRenderCameraDepthArray(this._currentContext),h=this._currentContext.activeCubeFace;if(c){const e=this.get(d.depthTexture);if(e.clearedRenderId!==this.renderer._nodes.nodeFrame.renderId){e.clearedRenderId=this.renderer._nodes.nodeFrame.renderId;const{stencilBuffer:t}=d;for(let e=0,r=s.length;e<r;e++)this.renderer._activeCubeFace=e,this._currentContext.activeCubeFace=e,this._setFramebuffer(this._currentContext),this.clear(!1,!0,t,this._currentContext,!1,!1);this.renderer._activeCubeFace=h,this._currentContext.activeCubeFace=h}}for(let i=0,d=s.length;i<d;i++){const d=s[i];if(t.layers.test(d.layers)){c&&(this.renderer._activeCubeFace=i,this._currentContext.activeCubeFace=i,this._setFramebuffer(this._currentContext));const s=d.viewport;if(void 0!==s){const t=s.x*l,r=s.y*l,i=s.width*l,n=s.height*l;u.viewport(Math.floor(t),Math.floor(e.context.height-n-r),Math.floor(i),Math.floor(n))}u.bindBufferBase(o.UNIFORM_BUFFER,n,r.indexesGPU[i]),this._draw(t,b,_,x,T,a)}this._currentContext.activeCubeFace=h,this.renderer._activeCubeFace=h}}else this._draw(t,b,_,x,T,a)}needsRenderUpdate(){return!1}getRenderCacheKey(){return""}createDefaultTexture(e){this.textureUtils.createDefaultTexture(e)}createTexture(e,t){this.textureUtils.createTexture(e,t)}updateTexture(e,t){this.textureUtils.updateTexture(e,t)}generateMipmaps(e){this.textureUtils.generateMipmaps(e)}destroyTexture(e,t=!1){this.textureUtils.destroyTexture(e,t)}async copyTextureToBuffer(e,t,r,s,i,n){return this.textureUtils.copyTextureToBuffer(e,t,r,s,i,n)}updateSampler(){return""}createNodeBuilder(e,t){return new ZR(e,t)}createProgram(e){const t=this.gl,{stage:r,code:s}=e,i="fragment"===r?t.createShader(t.FRAGMENT_SHADER):t.createShader(t.VERTEX_SHADER);t.shaderSource(i,s),t.compileShader(i),this.set(e,{shaderGPU:i})}destroyProgram(e){this.delete(e)}createRenderPipeline(e,t){const r=this.gl,s=e.pipeline,{fragmentProgram:i,vertexProgram:n}=s,a=r.createProgram(),o=this.get(i).shaderGPU,u=this.get(n).shaderGPU;if(r.attachShader(a,o),r.attachShader(a,u),r.linkProgram(a),this.set(s,{programGPU:a,fragmentShader:o,vertexShader:u}),null!==t&&this.parallel){const i=new Promise(t=>{const i=this.parallel,n=()=>{r.getProgramParameter(a,i.COMPLETION_STATUS_KHR)?(this._completeCompile(e,s),t()):requestAnimationFrame(n)};n()});return void t.push(i)}this._completeCompile(e,s)}_handleSource(e,t){const r=e.split("\n"),s=[],i=Math.max(t-6,0),n=Math.min(t+6,r.length);for(let e=i;e<n;e++){const i=e+1;s.push(`${i===t?">":" "} ${i}: ${r[e]}`)}return s.join("\n")}_getShaderErrors(e,t,r){const s=e.getShaderParameter(t,e.COMPILE_STATUS),i=(e.getShaderInfoLog(t)||"").trim();if(s&&""===i)return"";const n=/ERROR: 0:(\d+)/.exec(i);if(n){const s=parseInt(n[1]);return r.toUpperCase()+"\n\n"+i+"\n\n"+this._handleSource(e.getShaderSource(t),s)}return i}_logProgramError(e,t,r){if(this.renderer.debug.checkShaderErrors){const s=this.gl,i=(s.getProgramInfoLog(e)||"").trim();if(!1===s.getProgramParameter(e,s.LINK_STATUS))if("function"==typeof this.renderer.debug.onShaderError)this.renderer.debug.onShaderError(s,e,r,t);else{const n=this._getShaderErrors(s,r,"vertex"),a=this._getShaderErrors(s,t,"fragment");o("WebGLProgram: Shader Error "+s.getError()+" - VALIDATE_STATUS "+s.getProgramParameter(e,s.VALIDATE_STATUS)+"\n\nProgram Info Log: "+i+"\n"+n+"\n"+a)}else""!==i&&d("WebGLProgram: Program Info Log:",i)}}_completeCompile(e,t){const{state:r,gl:s}=this,i=this.get(t),{programGPU:n,fragmentShader:a,vertexShader:o}=i;!1===s.getProgramParameter(n,s.LINK_STATUS)&&this._logProgramError(n,a,o),r.useProgram(n);const u=e.getBindings();this._setupBindings(u,n),this.set(t,{programGPU:n,pipeline:n})}createComputePipeline(e,t){const{state:r,gl:s}=this,i={stage:"fragment",code:"#version 300 es\nprecision highp float;\nvoid main() {}"};this.createProgram(i);const{computeProgram:n}=e,a=s.createProgram(),o=this.get(i).shaderGPU,u=this.get(n).shaderGPU,l=n.transforms,d=[],c=[];for(let e=0;e<l.length;e++){const t=l[e];d.push(t.varyingName),c.push(t.attributeNode)}s.attachShader(a,o),s.attachShader(a,u),s.transformFeedbackVaryings(a,d,s.SEPARATE_ATTRIBS),s.linkProgram(a),!1===s.getProgramParameter(a,s.LINK_STATUS)&&this._logProgramError(a,o,u),r.useProgram(a),this._setupBindings(t,a);const h=n.attributes,p=[],g=[];for(let e=0;e<h.length;e++){const t=h[e].node.attribute;p.push(t),this.has(t)||this.attributeUtils.createAttribute(t,s.ARRAY_BUFFER)}for(let e=0;e<c.length;e++){const t=c[e].attribute;this.has(t)||this.attributeUtils.createAttribute(t,s.ARRAY_BUFFER);const r=this.get(t);g.push(r)}this.set(e,{programGPU:a,transformBuffers:g,attributes:p})}createBindings(e,t){if(!1===this._knownBindings.has(t)){this._knownBindings.add(t);let e=0,r=0;for(const s of t){this.set(s,{textures:r,uniformBuffers:e});for(const t of s.bindings)t.isUniformBuffer&&e++,t.isSampledTexture&&r++}}this.updateBindings(e,t)}updateBindings(e){const{gl:t}=this;for(const r of e.bindings){const e=this.get(r);if(r.isUniformsGroup||r.isUniformBuffer){const s=r.buffer,i=e.bufferGPU;t.bindBuffer(t.UNIFORM_BUFFER,i);const n=r.updateRanges;if(t.bindBuffer(t.UNIFORM_BUFFER,i),0===n.length)t.bufferData(t.UNIFORM_BUFFER,s,t.DYNAMIC_DRAW);else{const e=Kr(s),r=e?1:s.BYTES_PER_ELEMENT;for(let i=0,a=n.length;i<a;i++){const a=n[i],o=a.start*r,u=a.count*r,l=o*(e?s.BYTES_PER_ELEMENT:1);t.bufferSubData(t.UNIFORM_BUFFER,l,s,o,u)}}this.set(r,e)}else if(r.isSampledTexture){const{textureGPU:t,glTextureType:s}=this.get(r.texture);e.textureGPU=t,e.glTextureType=s,this.set(r,e)}}}updateBinding(e){const t=this.gl;if(e.isUniformsGroup||e.isUniformBuffer){const r=this.get(e).bufferGPU,s=e.buffer,i=e.updateRanges;if(t.bindBuffer(t.UNIFORM_BUFFER,r),0===i.length)t.bufferData(t.UNIFORM_BUFFER,s,t.DYNAMIC_DRAW);else{const e=Kr(s),r=e?1:s.BYTES_PER_ELEMENT;for(let n=0,a=i.length;n<a;n++){const a=i[n],o=a.start*r,u=a.count*r,l=o*(e?s.BYTES_PER_ELEMENT:1);t.bufferSubData(t.UNIFORM_BUFFER,l,s,o,u)}}}}createUniformBuffer(e){const t=this.get(e);if(void 0===t.bufferGPU){const r=this.gl,s=e.buffer;t.bufferGPU=r.createBuffer(),r.bindBuffer(r.UNIFORM_BUFFER,t.bufferGPU),r.bufferData(r.UNIFORM_BUFFER,s.byteLength,r.DYNAMIC_DRAW)}}destroyUniformBuffer(e){const t=this.get(e);this.gl.deleteBuffer(t.bufferGPU),this.delete(e)}createIndexAttribute(e){const t=this.gl;this.attributeUtils.createAttribute(e,t.ELEMENT_ARRAY_BUFFER)}createAttribute(e){if(this.has(e))return;const t=this.gl;this.attributeUtils.createAttribute(e,t.ARRAY_BUFFER)}createStorageAttribute(e){if(this.has(e))return;const t=this.gl;this.attributeUtils.createAttribute(e,t.ARRAY_BUFFER)}updateAttribute(e){this.attributeUtils.updateAttribute(e)}destroyAttribute(e){this.attributeUtils.destroyAttribute(e)}hasFeature(e){const t=Object.keys(yE).filter(t=>yE[t]===e),r=this.extensions;for(let e=0;e<t.length;e++)if(r.has(t[e]))return!0;return!1}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){this.textureUtils.copyTextureToTexture(e,t,r,s,i,n)}copyFramebufferToTexture(e,t,r){this.textureUtils.copyFramebufferToTexture(e,t,r)}hasCompatibility(e){return e===E.TEXTURE_COMPARE||super.hasCompatibility(e)}initRenderTarget(e){const{gl:t,state:r}=this;this._setFramebuffer(e),r.bindFramebuffer(t.FRAMEBUFFER,null)}_setFramebuffer(e){const{gl:t,state:r}=this;let s=null;if(null!==e.textures){const i=e.renderTarget,n=this.get(i),{samples:a,depthBuffer:o,stencilBuffer:u}=i,l=!0===i.isCubeRenderTarget,d=!0===i.isRenderTarget3D,c=i.depth>1,h=!0===i.isXRRenderTarget,p=!0===h&&!0===i._hasExternalTextures;let g=n.msaaFrameBuffer,m=n.depthRenderbuffer;const f=this.extensions.get("WEBGL_multisampled_render_to_texture"),y=this.extensions.get("OVR_multiview2"),b=this._useMultisampledExtension(i),x=Tb(e);let T;if(l?(n.cubeFramebuffers||(n.cubeFramebuffers={}),T=n.cubeFramebuffers[x]):h&&!1===p?T=this._xrFramebuffer:(n.framebuffers||(n.framebuffers={}),T=n.framebuffers[x]),void 0===T){T=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,T);const s=e.textures,o=[];if(l){n.cubeFramebuffers[x]=T;const{textureGPU:e}=this.get(s[0]),r=this.renderer._activeCubeFace,i=this.renderer._activeMipmapLevel;t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_CUBE_MAP_POSITIVE_X+r,e,i)}else{n.framebuffers[x]=T;for(let r=0;r<s.length;r++){const n=s[r],o=this.get(n);o.renderTarget=e.renderTarget,o.cacheKey=x;const u=t.COLOR_ATTACHMENT0+r;if(i.multiview)y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,u,o.textureGPU,0,a,0,2);else if(d||c){const e=this.renderer._activeCubeFace,r=this.renderer._activeMipmapLevel;t.framebufferTextureLayer(t.FRAMEBUFFER,u,o.textureGPU,r,e)}else if(b)f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,u,t.TEXTURE_2D,o.textureGPU,0,a);else{const e=this.renderer._activeMipmapLevel;t.framebufferTexture2D(t.FRAMEBUFFER,u,t.TEXTURE_2D,o.textureGPU,e)}}}const h=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;if(!0===i._autoAllocateDepthBuffer){const r=t.createRenderbuffer();this.textureUtils.setupRenderBufferStorage(r,e,0,b),n.xrDepthRenderbuffer=r,o.push(u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT),t.bindRenderbuffer(t.RENDERBUFFER,r),t.framebufferRenderbuffer(t.FRAMEBUFFER,h,t.RENDERBUFFER,r)}else if(null!==e.depthTexture){o.push(u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT);const r=this.get(e.depthTexture);if(r.renderTarget=e.renderTarget,r.cacheKey=x,i.multiview)y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,h,r.textureGPU,0,a,0,2);else if(p&&b)f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,h,t.TEXTURE_2D,r.textureGPU,0,a);else if(e.depthTexture.isArrayTexture){const e=this.renderer._activeCubeFace;t.framebufferTextureLayer(t.FRAMEBUFFER,h,r.textureGPU,0,e)}else if(e.depthTexture.isCubeTexture){const e=this.renderer._activeCubeFace;t.framebufferTexture2D(t.FRAMEBUFFER,h,t.TEXTURE_CUBE_MAP_POSITIVE_X+e,r.textureGPU,0)}else t.framebufferTexture2D(t.FRAMEBUFFER,h,t.TEXTURE_2D,r.textureGPU,0)}n.depthInvalidationArray=o}else{if(this._isRenderCameraDepthArray(e)){r.bindFramebuffer(t.FRAMEBUFFER,T);const s=this.renderer._activeCubeFace,i=this.get(e.depthTexture),n=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;t.framebufferTextureLayer(t.FRAMEBUFFER,n,i.textureGPU,0,s)}if((h||b||i.multiview)&&!0!==i._isOpaqueFramebuffer){r.bindFramebuffer(t.FRAMEBUFFER,T);const s=this.get(e.textures[0]);i.multiview?y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,s.textureGPU,0,a,0,2):b?f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,s.textureGPU,0,a):t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,s.textureGPU,0);const o=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;if(!0===i._autoAllocateDepthBuffer){const e=n.xrDepthRenderbuffer;t.bindRenderbuffer(t.RENDERBUFFER,e),t.framebufferRenderbuffer(t.FRAMEBUFFER,o,t.RENDERBUFFER,e)}else{const r=this.get(e.depthTexture);i.multiview?y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,o,r.textureGPU,0,a,0,2):b?f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,o,t.TEXTURE_2D,r.textureGPU,0,a):t.framebufferTexture2D(t.FRAMEBUFFER,o,t.TEXTURE_2D,r.textureGPU,0)}}}if(a>0&&!1===b&&!i.multiview){if(void 0===g){const s=[];g=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,g);const i=[],l=e.textures;for(let r=0;r<l.length;r++){i[r]=t.createRenderbuffer(),t.bindRenderbuffer(t.RENDERBUFFER,i[r]),s.push(t.COLOR_ATTACHMENT0+r);const n=e.textures[r],o=this.get(n);t.renderbufferStorageMultisample(t.RENDERBUFFER,a,o.glInternalFormat,e.width,e.height),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0+r,t.RENDERBUFFER,i[r])}if(t.bindRenderbuffer(t.RENDERBUFFER,null),n.msaaFrameBuffer=g,n.msaaRenderbuffers=i,o&&void 0===m){m=t.createRenderbuffer(),this.textureUtils.setupRenderBufferStorage(m,e,a),n.depthRenderbuffer=m;const r=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;s.push(r)}n.invalidationArray=s}s=n.msaaFrameBuffer}else s=T;r.drawBuffers(e,T)}r.bindFramebuffer(t.FRAMEBUFFER,s)}_getVaoKey(e){let t="";for(let r=0;r<e.length;r++){t+=":"+this.get(e[r]).id}return t}_createVao(e){const{gl:t}=this,r=t.createVertexArray();t.bindVertexArray(r);for(let r=0;r<e.length;r++){const s=e[r],i=this.get(s);let n,a;t.bindBuffer(t.ARRAY_BUFFER,i.bufferGPU),t.enableVertexAttribArray(r),!0===s.isInterleavedBufferAttribute?(n=s.data.stride*i.bytesPerElement,a=s.offset*i.bytesPerElement):(n=0,a=0),i.isInteger?t.vertexAttribIPointer(r,s.itemSize,i.type,n,a):t.vertexAttribPointer(r,s.itemSize,i.type,s.normalized,n,a),s.isInstancedBufferAttribute&&!s.isInterleavedBufferAttribute?t.vertexAttribDivisor(r,s.meshPerAttribute):s.isInterleavedBufferAttribute&&s.data.isInstancedInterleavedBuffer&&t.vertexAttribDivisor(r,s.data.meshPerAttribute)}return t.bindBuffer(t.ARRAY_BUFFER,null),r}_getTransformFeedback(e){let t="";for(let r=0;r<e.length;r++)t+=":"+e[r].id;let r=this.transformFeedbackCache[t];if(void 0!==r)return r;const{gl:s}=this;r=s.createTransformFeedback(),s.bindTransformFeedback(s.TRANSFORM_FEEDBACK,r);for(let t=0;t<e.length;t++){const r=e[t];s.bindBufferBase(s.TRANSFORM_FEEDBACK_BUFFER,t,r.transformBuffer)}return s.bindTransformFeedback(s.TRANSFORM_FEEDBACK,null),this.transformFeedbackCache[t]=r,r}_setupBindings(e,t){const r=this.gl;let s=0,i=0;for(const n of e)for(const e of n.bindings)if(e.isUniformsGroup||e.isUniformBuffer){const i=s++,n=r.getUniformBlockIndex(t,e.name);r.uniformBlockBinding(t,n,i)}else if(e.isSampledTexture){const s=i++,n=r.getUniformLocation(t,e.name);r.uniform1i(n,s)}}_bindUniforms(e){const{gl:t,state:r}=this;let s=0,i=0;for(const n of e)for(const e of n.bindings){const n=this.get(e);if(e.isUniformsGroup||e.isUniformBuffer){const e=s++;r.bindBufferBase(t.UNIFORM_BUFFER,e,n.bufferGPU)}else if(e.isSampledTexture){const e=i++;r.bindTexture(n.glTextureType,n.textureGPU,t.TEXTURE0+e)}}}_resolveRenderTarget(e){const{gl:t,state:r}=this,s=e.renderTarget;if(null!==e.textures&&s){const i=this.get(s);if(s.samples>0&&!1===this._useMultisampledExtension(s)){const n=i.framebuffers[e.getCacheKey()];let a=t.COLOR_BUFFER_BIT;s.resolveDepthBuffer&&(s.depthBuffer&&(a|=t.DEPTH_BUFFER_BIT),s.stencilBuffer&&s.resolveStencilBuffer&&(a|=t.STENCIL_BUFFER_BIT));const o=i.msaaFrameBuffer,u=i.msaaRenderbuffers,l=e.textures,d=l.length>1;if(r.bindFramebuffer(t.READ_FRAMEBUFFER,o),r.bindFramebuffer(t.DRAW_FRAMEBUFFER,n),d)for(let e=0;e<l.length;e++)t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.RENDERBUFFER,null),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.TEXTURE_2D,null,0);for(let r=0;r<l.length;r++){if(d){const{textureGPU:e}=this.get(l[r]);t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.RENDERBUFFER,u[r]),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,e,0)}if(e.scissor){const{x:r,y:s,width:i,height:n}=e.scissorValue,o=e.height-n-s;t.blitFramebuffer(r,o,r+i,o+n,r,o,r+i,o+n,a,t.NEAREST)}else t.blitFramebuffer(0,0,e.width,e.height,0,0,e.width,e.height,a,t.NEAREST)}if(d)for(let e=0;e<l.length;e++){const{textureGPU:r}=this.get(l[e]);t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.RENDERBUFFER,u[e]),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.TEXTURE_2D,r,0)}!0===this._supportsInvalidateFramebuffer&&t.invalidateFramebuffer(t.READ_FRAMEBUFFER,i.invalidationArray)}else if(!1===s.resolveDepthBuffer&&i.framebuffers){const s=i.framebuffers[e.getCacheKey()];r.bindFramebuffer(t.DRAW_FRAMEBUFFER,s),t.invalidateFramebuffer(t.DRAW_FRAMEBUFFER,i.depthInvalidationArray)}}}_useMultisampledExtension(e){return!0===e.multiview||e.samples>0&&!0===this.extensions.has("WEBGL_multisampled_render_to_texture")&&!1!==e._autoAllocateDepthBuffer}dispose(){null!==this.textureUtils&&this.textureUtils.dispose();const e=this.extensions.get("WEBGL_lose_context");e&&e.loseContext(),this.renderer.domElement.removeEventListener("webglcontextlost",this._onContextLost)}}const vE="point-list",NE="line-list",SE="line-strip",RE="triangle-list",EE="undefined"!=typeof self&&self.GPUShaderStage?self.GPUShaderStage:{VERTEX:1,FRAGMENT:2,COMPUTE:4},wE="never",AE="less",CE="equal",ME="less-equal",BE="greater",LE="not-equal",FE="greater-equal",PE="always",UE="store",DE="load",IE="clear",OE="ccw",VE="cw",kE="none",GE="back",$E="uint16",zE="uint32",WE="r8unorm",HE="r8snorm",jE="r8uint",qE="r8sint",XE="r16uint",YE="r16sint",KE="r16float",QE="rg8unorm",ZE="rg8snorm",JE="rg8uint",ew="rg8sint",tw="r16unorm",rw="r16snorm",sw="r32uint",iw="r32sint",nw="r32float",aw="rg16uint",ow="rg16sint",uw="rg16float",lw="rgba8unorm",dw="rgba8unorm-srgb",cw="rgba8snorm",hw="rgba8uint",pw="rgba8sint",gw="bgra8unorm",mw="bgra8unorm-srgb",fw="rg16unorm",yw="rg16snorm",bw="rgb9e5ufloat",xw="rgb10a2unorm",Tw="rg11b10ufloat",_w="rg32uint",vw="rg32sint",Nw="rg32float",Sw="rgba16uint",Rw="rgba16sint",Ew="rgba16float",ww="rgba16unorm",Aw="rgba16snorm",Cw="rgba32uint",Mw="rgba32sint",Bw="rgba32float",Lw="depth16unorm",Fw="depth24plus",Pw="depth24plus-stencil8",Uw="depth32float",Dw="depth32float-stencil8",Iw="bc1-rgba-unorm",Ow="bc1-rgba-unorm-srgb",Vw="bc2-rgba-unorm",kw="bc2-rgba-unorm-srgb",Gw="bc3-rgba-unorm",$w="bc3-rgba-unorm-srgb",zw="bc4-r-unorm",Ww="bc4-r-snorm",Hw="bc5-rg-unorm",jw="bc5-rg-snorm",qw="bc6h-rgb-ufloat",Xw="bc6h-rgb-float",Yw="bc7-rgba-unorm",Kw="bc7-rgba-unorm-srgb",Qw="etc2-rgb8unorm",Zw="etc2-rgb8unorm-srgb",Jw="etc2-rgb8a1unorm",eA="etc2-rgb8a1unorm-srgb",tA="etc2-rgba8unorm",rA="etc2-rgba8unorm-srgb",sA="eac-r11unorm",iA="eac-r11snorm",nA="eac-rg11unorm",aA="eac-rg11snorm",oA="astc-4x4-unorm",uA="astc-4x4-unorm-srgb",lA="astc-5x4-unorm",dA="astc-5x4-unorm-srgb",cA="astc-5x5-unorm",hA="astc-5x5-unorm-srgb",pA="astc-6x5-unorm",gA="astc-6x5-unorm-srgb",mA="astc-6x6-unorm",fA="astc-6x6-unorm-srgb",yA="astc-8x5-unorm",bA="astc-8x5-unorm-srgb",xA="astc-8x6-unorm",TA="astc-8x6-unorm-srgb",_A="astc-8x8-unorm",vA="astc-8x8-unorm-srgb",NA="astc-10x5-unorm",SA="astc-10x5-unorm-srgb",RA="astc-10x6-unorm",EA="astc-10x6-unorm-srgb",wA="astc-10x8-unorm",AA="astc-10x8-unorm-srgb",CA="astc-10x10-unorm",MA="astc-10x10-unorm-srgb",BA="astc-12x10-unorm",LA="astc-12x10-unorm-srgb",FA="astc-12x12-unorm",PA="astc-12x12-unorm-srgb",UA="clamp-to-edge",DA="repeat",IA="mirror-repeat",OA="linear",VA="nearest",kA="zero",GA="one",$A="src",zA="one-minus-src",WA="src-alpha",HA="one-minus-src-alpha",jA="dst",qA="one-minus-dst",XA="dst-alpha",YA="one-minus-dst-alpha",KA="src-alpha-saturated",QA="constant",ZA="one-minus-constant",JA="add",eC="subtract",tC="reverse-subtract",rC="min",sC="max",iC=0,nC=15,aC="keep",oC="zero",uC="replace",lC="invert",dC="increment-clamp",cC="decrement-clamp",hC="increment-wrap",pC="decrement-wrap",gC="storage",mC="read-only-storage",fC="write-only",yC="read-only",bC="read-write",xC="non-filtering",TC="comparison",_C="float",vC="unfilterable-float",NC="depth",SC="sint",RC="uint",EC="2d",wC="3d",AC="2d",CC="2d-array",MC="cube",BC="3d",LC="all",FC="vertex",PC="instance",UC={CoreFeaturesAndLimits:"core-features-and-limits",DepthClipControl:"depth-clip-control",Depth32FloatStencil8:"depth32float-stencil8",TextureCompressionBC:"texture-compression-bc",TextureCompressionBCSliced3D:"texture-compression-bc-sliced-3d",TextureCompressionETC2:"texture-compression-etc2",TextureCompressionASTC:"texture-compression-astc",TextureCompressionASTCSliced3D:"texture-compression-astc-sliced-3d",TimestampQuery:"timestamp-query",IndirectFirstInstance:"indirect-first-instance",ShaderF16:"shader-f16",RG11B10UFloat:"rg11b10ufloat-renderable",BGRA8UNormStorage:"bgra8unorm-storage",Float32Filterable:"float32-filterable",Float32Blendable:"float32-blendable",ClipDistances:"clip-distances",DualSourceBlending:"dual-source-blending",Subgroups:"subgroups",TextureFormatsTier1:"texture-formats-tier1",TextureFormatsTier2:"texture-formats-tier2"},DC={"texture-compression-s3tc":"texture-compression-bc","texture-compression-etc1":"texture-compression-etc2"};class IC extends VR{constructor(e,t,r){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r}update(){const{textureNode:e}=this;return this.texture!==e.value?(this.texture=e.value,!0):super.update()}}class OC extends LR{constructor(e,t){super(e,t?t.array:null),this._attribute=t,this.isStorageBuffer=!0}get attribute(){return this._attribute}}let VC=0;class kC extends OC{constructor(e,t){super("StorageBuffer_"+VC++,e?e.value:null),this.nodeUniform=e,this.access=e?e.access:ai.READ_WRITE,this.groupNode=t}get attribute(){return this.nodeUniform.value}get buffer(){return this.nodeUniform.value.array}}const GC=[null];class $C{constructor(e){this.backend=e}getCurrentDepthStencilFormat(e){let t;return e.depth&&(t=null!==e.depthTexture?this.getTextureFormatGPU(e.depthTexture):e.stencil?!0===this.backend.renderer.reversedDepthBuffer?Dw:Pw:!0===this.backend.renderer.reversedDepthBuffer?Uw:Fw),t}getTextureFormatGPU(e){return this.backend.get(e).format}getTextureSampleData(e){let t;if(e.isFramebufferTexture)t=1;else if(e.isDepthTexture&&!e.renderTarget){const e=this.backend.renderer,r=e.getRenderTarget();t=r?r.samples:e.currentSamples}else e.renderTarget&&(t=e.renderTarget.samples);t=this.getSampleCount(t||1);const r=t>1&&null!==e.renderTarget&&!0!==e.isDepthTexture&&!0!==e.isFramebufferTexture;return{samples:t,primarySamples:r?1:t,isMSAA:r}}getCurrentColorFormat(e){let t;return t=null!==e.textures?this.getTextureFormatGPU(e.textures[0]):this.getPreferredCanvasFormat(),t}getCurrentColorFormats(e){return null!==e.textures?e.textures.map(e=>this.getTextureFormatGPU(e)):[this.getPreferredCanvasFormat()]}getCurrentColorSpace(e){return null!==e.textures?e.textures[0].colorSpace:this.backend.renderer.outputColorSpace}getPrimitiveTopology(e,t){return e.isPoints?vE:e.isLineSegments||e.isMesh&&!0===t.wireframe?NE:e.isLine?SE:e.isMesh?RE:void 0}getSampleCount(e){return e>=4?4:1}getSampleCountRenderContext(e){return null!==e.textures?this.getSampleCount(e.sampleCount):this.getSampleCount(this.backend.renderer.currentSamples)}getPreferredCanvasFormat(){const e=this.backend.parameters.outputType;if(void 0===e)return navigator.gpu.getPreferredCanvasFormat();if(e===Ve)return gw;if(e===Te)return Ew;throw new Error("THREE.WebGPUUtils: Unsupported output buffer type.")}}function zC(e,t){GC[0]=t,e.queue.submit(GC),GC[0]=null}class WC{constructor(){this.label="",this.layout=null,this.entries=[]}reset(){this.label="",this.layout=null,this.entries.length=0}}class HC{constructor(){this.label="",this.size=0,this.usage=0,this.mappedAtCreation=!1}reset(){this.label="",this.size=0,this.usage=0,this.mappedAtCreation=!1}}class jC{constructor(){this.label=""}reset(){this.label=""}}class qC{constructor(){this.label="",this.colorFormats=null,this.depthStencilFormat=void 0,this.sampleCount=1,this.depthReadOnly=!1,this.stencilReadOnly=!1}reset(){this.label="",this.colorFormats=null,this.depthStencilFormat=void 0,this.sampleCount=1,this.depthReadOnly=!1,this.stencilReadOnly=!1}}class XC{constructor(){this.view=null,this.depthSlice=void 0,this.resolveTarget=void 0,this.clearValue=void 0,this.loadOp=void 0,this.storeOp=void 0}reset(){this.view=null,this.depthSlice=void 0,this.resolveTarget=void 0,this.clearValue=void 0,this.loadOp=void 0,this.storeOp=void 0}}class YC{constructor(){this.label="",this.colorAttachments=[],this.depthStencilAttachment=void 0,this.occlusionQuerySet=void 0,this.timestampWrites=void 0,this.maxDrawCount=5e7}reset(){this.label="",this.colorAttachments.length=0,this.depthStencilAttachment=void 0,this.occlusionQuerySet=void 0,this.timestampWrites=void 0,this.maxDrawCount=5e7}}class KC{constructor(){this.label="",this.layout=null,this.vertex=null,this.primitive={},this.depthStencil=void 0,this.multisample=new QC,this.fragment=null}reset(){this.label="",this.layout=null,this.vertex=null,this.primitive={},this.depthStencil=void 0,this.multisample.reset(),this.fragment=null}}class QC{constructor(){this.count=1,this.mask=4294967295,this.alphaToCoverageEnabled=!1}reset(){this.count=1,this.mask=4294967295,this.alphaToCoverageEnabled=!1}}class ZC{constructor(){this.label="",this.code="",this.compilationHints=[]}reset(){this.label="",this.code="",this.compilationHints.length=0}}class JC{constructor(){this.label="",this.size={width:0,height:1,depthOrArrayLayers:1},this.mipLevelCount=1,this.sampleCount=1,this.dimension="2d",this.format=void 0,this.usage=void 0,this.viewFormats=[],this.textureBindingViewDimension=void 0}reset(){this.label="",this.size.width=0,this.size.height=1,this.size.depthOrArrayLayers=1,this.mipLevelCount=1,this.sampleCount=1,this.dimension="2d",this.format=void 0,this.usage=void 0,this.viewFormats.length=0,this.textureBindingViewDimension=void 0}}class eM{constructor(){this.label="",this.format=void 0,this.dimension=void 0,this.usage=0,this.aspect="all",this.baseMipLevel=0,this.mipLevelCount=void 0,this.baseArrayLayer=0,this.arrayLayerCount=void 0,this.swizzle="rgba"}reset(){this.label="",this.format=void 0,this.dimension=void 0,this.usage=0,this.aspect="all",this.baseMipLevel=0,this.mipLevelCount=void 0,this.baseArrayLayer=0,this.arrayLayerCount=void 0,this.swizzle="rgba"}}const tM=new WC,rM=new HC,sM=new jC,iM=new qC,nM=new YC,aM=new KC,oM=new XC,uM=new ZC,lM=new JC,dM=new eM;class cM extends jy{constructor(e){super(),this.device=e;this.mipmapSampler=e.createSampler({minFilter:OA}),this.flipYSampler=e.createSampler({minFilter:VA}),rM.size=4,rM.usage=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,this.flipUniformBuffer=e.createBuffer(rM),rM.reset(),e.queue.writeBuffer(this.flipUniformBuffer,0,new Uint32Array([1])),rM.size=4,rM.usage=GPUBufferUsage.UNIFORM,this.noFlipUniformBuffer=e.createBuffer(rM),rM.reset(),this.transferPipelines={},uM.label="mipmap",uM.code="\nstruct VarysStruct {\n\t@builtin( position ) Position: vec4f,\n\t@location( 0 ) vTex : vec2f,\n\t@location( 1 ) @interpolate(flat, either) vBaseArrayLayer: u32,\n};\n\n@group( 0 ) @binding ( 2 )\nvar<uniform> flipY: u32;\n\n@vertex\nfn mainVS(\n\t\t@builtin( vertex_index ) vertexIndex : u32,\n\t\t@builtin( instance_index ) instanceIndex : u32 ) -> VarysStruct {\n\n\tvar Varys : VarysStruct;\n\n\tvar pos = array(\n\t\tvec2f( -1, -1 ),\n\t\tvec2f( -1,  3 ),\n\t\tvec2f(  3, -1 ),\n\t);\n\n\tlet p = pos[ vertexIndex ];\n\tlet mult = select( vec2f( 0.5, -0.5 ), vec2f( 0.5, 0.5 ), flipY != 0 );\n\tVarys.vTex = p * mult + vec2f( 0.5 );\n\tVarys.Position = vec4f( p, 0, 1 );\n\tVarys.vBaseArrayLayer = instanceIndex;\n\n\treturn Varys;\n\n}\n\n@group( 0 ) @binding( 0 )\nvar imgSampler : sampler;\n\n@group( 0 ) @binding( 1 )\nvar img2d : texture_2d<f32>;\n\n@fragment\nfn main_2d( Varys: VarysStruct ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( img2d, imgSampler, Varys.vTex );\n\n}\n\n@group( 0 ) @binding( 1 )\nvar img2dArray : texture_2d_array<f32>;\n\n@fragment\nfn main_2d_array( Varys: VarysStruct ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( img2dArray, imgSampler, Varys.vTex, Varys.vBaseArrayLayer );\n\n}\n\nconst faceMat = array(\n  mat3x3f(  0,  0,  -2,  0, -2,   0,  1,  1,   1 ),   // pos-x\n  mat3x3f(  0,  0,   2,  0, -2,   0, -1,  1,  -1 ),   // neg-x\n  mat3x3f(  2,  0,   0,  0,  0,   2, -1,  1,  -1 ),   // pos-y\n  mat3x3f(  2,  0,   0,  0,  0,  -2, -1, -1,   1 ),   // neg-y\n  mat3x3f(  2,  0,   0,  0, -2,   0, -1,  1,   1 ),   // pos-z\n  mat3x3f( -2,  0,   0,  0, -2,   0,  1,  1,  -1 ),   // neg-z\n);\n\n@group( 0 ) @binding( 1 )\nvar imgCube : texture_cube<f32>;\n\n@fragment\nfn main_cube( Varys: VarysStruct ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( imgCube, imgSampler, faceMat[ Varys.vBaseArrayLayer ] * vec3f( fract( Varys.vTex ), 1 ) );\n\n}\n",this.mipmapShaderModule=e.createShaderModule(uM),uM.reset()}getTransferPipeline(e,t){const r=`${e}-${t=t||"2d-array"}`;let s=this.transferPipelines[r];return void 0===s&&(aM.label=`mipmap-${e}-${t}`,aM.vertex={module:this.mipmapShaderModule},aM.fragment={module:this.mipmapShaderModule,entryPoint:`main_${t.replace("-","_")}`,targets:[{format:e}]},aM.layout="auto",s=this.device.createRenderPipeline(aM),aM.reset(),this.transferPipelines[r]=s),s}flipY(e,t,r=0){const s=t.format,{width:i,height:n}=t.size;lM.size.width=i,lM.size.height=n,lM.format=s,lM.usage=GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING;const a=this.device.createTexture(lM);lM.reset();const o=this.getTransferPipeline(s,e.textureBindingViewDimension),u=this.getTransferPipeline(s,a.textureBindingViewDimension),l=this.device.createCommandEncoder(sM),d=(e,t,r,s,i,n)=>{const a=e.getBindGroupLayout(0);dM.dimension=t.textureBindingViewDimension||"2d-array",dM.mipLevelCount=1;const o=t.createView(dM);dM.reset(),tM.layout=a,tM.entries.push({binding:0,resource:this.flipYSampler},{binding:1,resource:o},{binding:2,resource:{buffer:n?this.flipUniformBuffer:this.noFlipUniformBuffer}});const u=this.device.createBindGroup(tM);tM.reset(),dM.dimension="2d",dM.mipLevelCount=1,dM.baseArrayLayer=i,dM.arrayLayerCount=1;const d=s.createView(dM);dM.reset(),oM.view=d,oM.loadOp=IE,oM.storeOp=UE,nM.colorAttachments.push(oM);const c=l.beginRenderPass(nM);nM.reset(),oM.reset(),c.setPipeline(e),c.setBindGroup(0,u),c.draw(3,1,0,r),c.end()};d(o,e,r,a,0,!1),d(u,a,0,e,r,!0),zC(this.device,l.finish()),a.destroy()}generateMipmaps(e,t=null){const r=this.get(e),s=r.layers||this._mipmapCreateBundles(e);let i=t;null===i&&(sM.label="mipmapEncoder",i=this.device.createCommandEncoder(sM),sM.reset()),this._mipmapRunBundles(i,s),null===t&&zC(this.device,i.finish()),r.layers=s}_mipmapCreateBundles(e){const t=e.textureBindingViewDimension||"2d-array",r=this.getTransferPipeline(e.format,t),s=r.getBindGroupLayout(0),i=[];for(let n=1;n<e.mipLevelCount;n++)for(let a=0;a<e.depthOrArrayLayers;a++){dM.dimension=t,dM.baseMipLevel=n-1,dM.mipLevelCount=1;const o=e.createView(dM);dM.reset(),tM.layout=s,tM.entries.push({binding:0,resource:this.mipmapSampler},{binding:1,resource:o},{binding:2,resource:{buffer:this.noFlipUniformBuffer}});const u=this.device.createBindGroup(tM);tM.reset(),dM.dimension="2d",dM.baseMipLevel=n,dM.mipLevelCount=1,dM.baseArrayLayer=a,dM.arrayLayerCount=1;const l=e.createView(dM);dM.reset();const d=new XC;d.view=l,d.loadOp=IE,d.storeOp=UE;const c=new YC;c.colorAttachments.push(d),iM.colorFormats=[e.format];const h=this.device.createRenderBundleEncoder(iM);iM.reset(),h.setPipeline(r),h.setBindGroup(0,u),h.draw(3,1,0,a),i.push({renderBundles:[h.finish()],passDescriptor:c})}return i}_mipmapRunBundles(e,t){const r=t.length;for(let s=0;s<r;s++){const r=t[s],i=e.beginRenderPass(r.passDescriptor);i.executeBundles(r.renderBundles),i.end()}}}class hM{constructor(){this.texture=null,this.mipLevel=0,this.origin={x:0,y:0,z:0},this.aspect="all"}reset(){this.texture=null,this.mipLevel=0,this.origin.x=0,this.origin.y=0,this.origin.z=0,this.aspect="all"}}class pM{constructor(){this.width=0,this.height=1,this.depthOrArrayLayers=1}reset(){this.width=0,this.height=1,this.depthOrArrayLayers=1}}const gM=new HC,mM=new jC,fM=new class{constructor(){this.label="",this.addressModeU="clamp-to-edge",this.addressModeV="clamp-to-edge",this.addressModeW="clamp-to-edge",this.magFilter="nearest",this.minFilter="nearest",this.mipmapFilter="nearest",this.lodMinClamp=0,this.lodMaxClamp=32,this.compare=void 0,this.maxAnisotropy=1}reset(){this.label="",this.addressModeU="clamp-to-edge",this.addressModeV="clamp-to-edge",this.addressModeW="clamp-to-edge",this.magFilter="nearest",this.minFilter="nearest",this.mipmapFilter="nearest",this.lodMinClamp=0,this.lodMaxClamp=32,this.compare=void 0,this.maxAnisotropy=1}},yM=new hM,bM=new class{constructor(){this.buffer=null,this.offset=0,this.bytesPerRow=void 0,this.rowsPerImage=void 0}reset(){this.buffer=null,this.offset=0,this.bytesPerRow=void 0,this.rowsPerImage=void 0}},xM=new class{constructor(){this.offset=0,this.bytesPerRow=void 0,this.rowsPerImage=void 0}reset(){this.offset=0,this.bytesPerRow=void 0,this.rowsPerImage=void 0}},TM=new class{constructor(){this.source=null,this.origin={x:0,y:0},this.flipY=!1}reset(){this.source=null,this.origin.x=0,this.origin.y=0,this.flipY=!1}},_M=new class extends hM{constructor(){super(),this.colorSpace="srgb",this.premultipliedAlpha=!1}reset(){super.reset(),this.colorSpace="srgb",this.premultipliedAlpha=!1}},vM=new JC,NM=new pM,SM={[qr]:"never",[w]:"less",[Hr]:"equal",[A]:"less-equal",[C]:"greater",[M]:"greater-equal",[jr]:"always",[Wr]:"not-equal"},RM=[0,1,3,2,4,5];function EM(e,t,r,s,i,n,a,o,u,l){yM.texture=t,yM.mipLevel=r,yM.origin.z=s,xM.offset=s*n,xM.bytesPerRow=a,xM.rowsPerImage=o,NM.width=u,NM.height=l,e.queue.writeTexture(yM,i.data,xM,NM),yM.reset(),xM.reset(),NM.reset()}class wM{constructor(e){this.backend=e,this._passUtils=null,this.defaultTexture={},this.defaultCubeTexture={},this.defaultVideoFrame=null,this._samplerCache=new Map}updateSampler(e,t){const r=this.backend,s=e.minFilter+"-"+e.magFilter+"-"+e.wrapS+"-"+e.wrapT+"-"+(e.wrapR||"0")+"-"+e.anisotropy+"-"+(!0===e.isDepthTexture?1:0)+"-"+(null!==e.compareFunction&&null!==t.compareNode?e.compareFunction:0);let i=this._samplerCache.get(s);if(void 0===i){fM.addressModeU=this._convertAddressMode(e.wrapS),fM.addressModeV=this._convertAddressMode(e.wrapT),fM.addressModeW=this._convertAddressMode(e.wrapR),fM.magFilter=this._convertFilterMode(e.magFilter),fM.minFilter=this._convertFilterMode(e.minFilter),fM.mipmapFilter=this._convertMipmapFilterMode(e.minFilter),!e.isDepthTexture||null!==e.compareFunction&&null!==t.compareNode||(fM.magFilter=VA,fM.minFilter=VA,fM.mipmapFilter=VA),fM.magFilter===OA&&fM.minFilter===OA&&fM.mipmapFilter===OA&&(fM.maxAnisotropy=e.anisotropy),e.isDepthTexture&&null!==e.compareFunction&&null!==t.compareNode&&r.hasCompatibility(E.TEXTURE_COMPARE)&&(fM.compare=SM[e.compareFunction]);const n=r.device.createSampler(fM);fM.reset(),i={sampler:n,usedTimes:0},this._samplerCache.set(s,i)}const n=r.get(e);if(n.sampler!==i.sampler){if(void 0!==n.sampler){const e=this._samplerCache.get(n.samplerKey);e.usedTimes--,0===e.usedTimes&&this._samplerCache.delete(n.samplerKey)}n.samplerKey=s,n.sampler=i.sampler,i.usedTimes++}return s}createDefaultTexture(e){let t;const r=AM(e,this.backend.device);t=e.isCubeTexture?this._getDefaultCubeTextureGPU(r):this._getDefaultTextureGPU(r),this.backend.get(e).texture=t}createTexture(e,t={}){const r=this.backend,s=r.get(e);if(s.initialized){if(!0===s.externalTexture)return;throw new Error("THREE.WebGPUTextureUtils: Texture already initialized.")}if(e.isExternalTexture)return s.texture=e.sourceTexture,void(s.initialized=!0);void 0===t.needsMipmaps&&(t.needsMipmaps=!1),void 0===t.levels&&(t.levels=1),void 0===t.depth&&(t.depth=1);const{width:i,height:n,depth:a,levels:o}=t;e.isFramebufferTexture&&(t.renderTarget?t.format=this.backend.utils.getCurrentColorFormat(t.renderTarget):t.format=this.backend.utils.getPreferredCanvasFormat());const u=this._getDimension(e),l=e.internalFormat||t.format||AM(e,r.device);s.format=l;const{samples:c,primarySamples:h,isMSAA:p}=r.utils.getTextureSampleData(e);let g=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.COPY_SRC;!0===e.isStorageTexture&&(g|=GPUTextureUsage.STORAGE_BINDING),!0!==e.isCompressedTexture&&!0!==e.isCompressedArrayTexture&&l!==bw&&(g|=GPUTextureUsage.RENDER_ATTACHMENT);const m=new JC;if(m.label=e.name,m.size.width=i,m.size.height=n,m.size.depthOrArrayLayers=a,m.mipLevelCount=o,m.sampleCount=h,m.dimension=u,m.format=l,m.usage=g,void 0===l)return d("WebGPURenderer: Texture format not supported."),void this.createDefaultTexture(e);e.isCubeTexture&&(m.textureBindingViewDimension=MC);try{s.texture=r.device.createTexture(m)}catch(t){return d("WebGPURenderer: Failed to create texture with descriptor:",m),void this.createDefaultTexture(e)}if(p){const e=Object.assign({},m);e.label=e.label+"-msaa",e.sampleCount=c,e.mipLevelCount=1,s.msaaTexture=r.device.createTexture(e)}s.initialized=!0,s.textureDescriptorGPU=m}destroyTexture(e,t=!1){const r=this.backend,s=r.get(e);void 0!==s.texture&&!1===t&&s.texture.destroy(),void 0!==s.msaaTexture&&s.msaaTexture.destroy(),r.delete(e)}generateMipmaps(e,t=null){const r=this.backend.get(e);this._generateMipmaps(r.texture,t)}getColorBuffer(){const e=this.backend,t=e.renderer.getCanvasTarget(),{width:r,height:s}=e.getDrawingBufferSize(),i=e.renderer.currentSamples,n=t.colorTexture,a=e.get(n);if(n.width===r&&n.height===s&&n.samples===i)return a.texture;let o=a.texture;return o&&o.destroy(),vM.label="colorBuffer",vM.size.width=r,vM.size.height=s,vM.sampleCount=e.utils.getSampleCount(e.renderer.currentSamples),vM.format=e.utils.getPreferredCanvasFormat(),vM.usage=GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC,o=e.device.createTexture(vM),vM.reset(),n.source.width=r,n.source.height=s,n.samples=i,a.texture=o,o}getDepthBuffer(e=!0,t=!1){const r=this.backend,s=r.renderer.getCanvasTarget(),{width:i,height:n}=r.getDrawingBufferSize(),a=r.renderer.currentSamples,o=s.depthTexture;if(o.width===i&&o.height===n&&o.samples===a&&o.depth===e&&o.stencil===t)return r.get(o).texture;const u=r.get(o).texture;let l,d;if(t?(l=je,d=!0===r.renderer.reversedDepthBuffer?Y:Ze):e&&(l=He,d=!0===r.renderer.reversedDepthBuffer?Y:S),void 0!==u){if(o.image.width===i&&o.image.height===n&&o.format===l&&o.type===d&&o.samples===a)return u;this.destroyTexture(o)}return o.name="depthBuffer",o.format=l,o.type=d,o.image.width=i,o.image.height=n,o.samples=a,this.createTexture(o,{width:i,height:n}),r.get(o).texture}updateTexture(e,t){const r=this.backend.get(e),s=e.mipmaps,{textureDescriptorGPU:i}=r;if(!e.isRenderTargetTexture&&void 0!==i){if(e.isDataTexture)if(s.length>0)for(let t=0,n=s.length;t<n;t++){const n=s[t];this._copyBufferToTexture(n,r.texture,i,0,e.flipY,0,t)}else this._copyBufferToTexture(t.image,r.texture,i,0,e.flipY);else if(e.isArrayTexture||e.isDataArrayTexture||e.isData3DTexture)if(e.layerUpdates&&e.layerUpdates.size>0){for(const s of e.layerUpdates)this._copyBufferToTexture(t.image,r.texture,i,s,e.flipY,s);e.clearLayerUpdates()}else for(let s=0;s<t.image.depth;s++)this._copyBufferToTexture(t.image,r.texture,i,s,e.flipY,s);else if(e.isCompressedTexture||e.isCompressedArrayTexture)e.isCompressedArrayTexture&&e.layerUpdates.size>0?(this._copyCompressedBufferToTexture(e.mipmaps,r.texture,i,e.layerUpdates),e.clearLayerUpdates()):this._copyCompressedBufferToTexture(e.mipmaps,r.texture,i);else if(e.isCubeTexture)this._copyCubeMapToTexture(e,r.texture,i);else if(e.isHTMLTexture){const t=this.backend.device,s=this.backend.renderer.domElement,n=e.image;if("function"!=typeof t.queue.copyElementImageToTexture)return;if(!r.hasPaintCallback)return r.hasPaintCallback=!0,void s.requestPaint();const a=i.size.width,o=i.size.height;t.queue.copyElementImageToTexture(n,a,o,{texture:r.texture}),e.flipY&&this._flipY(r.texture,i)}else if(s.length>0)for(let t=0,n=s.length;t<n;t++){const n=s[t];this._copyImageToTexture(n,r.texture,i,0,e.flipY,e.premultiplyAlpha,t)}else this._copyImageToTexture(t.image,r.texture,i,0,e.flipY,e.premultiplyAlpha);r.version=e.version}}async copyTextureToBuffer(e,t,r,s,i,n){const a=this.backend.device,o=this.backend.get(e),u=o.texture,l=o.textureDescriptorGPU.format,d=this._getBytesPerTexel(l);let c=s*d;c=256*Math.ceil(c/256),gM.size=(i-1)*c+s*d,gM.usage=GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ;const h=a.createBuffer(gM);gM.reset();const p=a.createCommandEncoder(mM);yM.texture=u,yM.origin.x=t,yM.origin.y=r,yM.origin.z=n,bM.buffer=h,bM.bytesPerRow=c,NM.width=s,NM.height=i,p.copyTextureToBuffer(yM,bM,NM),yM.reset(),bM.reset(),NM.reset();const g=this._getTypedArrayType(l);zC(a,p.finish()),await h.mapAsync(GPUMapMode.READ);const m=h.getMappedRange().slice();return h.destroy(),new g(m)}dispose(){this._samplerCache.clear()}_getDefaultTextureGPU(e){let t=this.defaultTexture[e];if(void 0===t){const r=new N;r.minFilter=B,r.magFilter=B,this.createTexture(r,{width:1,height:1,format:e}),this.defaultTexture[e]=t=r}return this.backend.get(t).texture}_getDefaultCubeTextureGPU(e){let t=this.defaultCubeTexture[e];if(void 0===t){const r=new U;r.minFilter=B,r.magFilter=B,this.createTexture(r,{width:1,height:1,depth:6}),this.defaultCubeTexture[e]=t=r}return this.backend.get(t).texture}_copyCubeMapToTexture(e,t,r){const s=e.images,i=e.mipmaps;for(let n=0;n<6;n++){const a=s[n],o=!0===e.flipY?RM[n]:n;a.isDataTexture?this._copyBufferToTexture(a.image,t,r,o,e.flipY):this._copyImageToTexture(a,t,r,o,e.flipY,e.premultiplyAlpha);for(let s=0;s<i.length;s++){const a=i[s].images[n];a.isDataTexture?this._copyBufferToTexture(a.image,t,r,o,e.flipY,0,s+1):this._copyImageToTexture(a,t,r,o,e.flipY,e.premultiplyAlpha,s+1)}}}_copyImageToTexture(e,t,r,s,i,n,a=0){const o=this.backend.device,u=a>0?e.width:r.size.width,l=a>0?e.height:r.size.height;TM.source=e,TM.flipY=i,_M.texture=t,_M.mipLevel=a,_M.origin.z=s,_M.premultipliedAlpha=n,NM.width=u,NM.height=l;try{o.queue.copyExternalImageToTexture(TM,_M,NM)}catch(e){}finally{TM.reset(),_M.reset(),NM.reset()}}_getPassUtils(){let e=this._passUtils;return null===e&&(this._passUtils=e=new cM(this.backend.device)),e}_generateMipmaps(e,t=null){this._getPassUtils().generateMipmaps(e,t)}_flipY(e,t,r=0){this._getPassUtils().flipY(e,t,r)}_copyBufferToTexture(e,t,r,s,i,n=0,a=0){const o=this.backend.device,u=e.data,l=this._getBytesPerTexel(r.format),d=e.width*l;yM.texture=t,yM.mipLevel=a,yM.origin.z=s,xM.offset=e.width*e.height*l*n,xM.bytesPerRow=d,NM.width=e.width,NM.height=e.height,o.queue.writeTexture(yM,u,xM,NM),yM.reset(),xM.reset(),NM.reset(),!0===i&&this._flipY(t,r,s)}_copyCompressedBufferToTexture(e,t,r,s=null){const i=this.backend.device,n=this._getBlockData(r.format),a=r.size.depthOrArrayLayers>1,o=s&&s.size>0?s:null;for(let s=0;s<e.length;s++){const u=e[s],l=u.width,d=u.height,c=a?r.size.depthOrArrayLayers:1,h=Math.ceil(l/n.width)*n.byteLength,p=Math.ceil(d/n.height),g=h*p,m=Math.ceil(l/n.width)*n.width,f=p*n.height;if(null!==o)for(const e of o)EM(i,t,s,e,u,g,h,p,m,f);else for(let e=0;e<c;e++)EM(i,t,s,e,u,g,h,p,m,f)}}_getBlockData(e){return e===Iw||e===Ow?{byteLength:8,width:4,height:4}:e===Vw||e===kw||e===Gw||e===$w?{byteLength:16,width:4,height:4}:e===zw||e===Ww?{byteLength:8,width:4,height:4}:e===Hw||e===jw||e===qw||e===Xw||e===Yw||e===Kw?{byteLength:16,width:4,height:4}:e===Qw||e===Zw||e===Jw||e===eA?{byteLength:8,width:4,height:4}:e===tA||e===rA?{byteLength:16,width:4,height:4}:e===sA||e===iA?{byteLength:8,width:4,height:4}:e===nA||e===aA||e===oA||e===uA?{byteLength:16,width:4,height:4}:e===lA||e===dA?{byteLength:16,width:5,height:4}:e===cA||e===hA?{byteLength:16,width:5,height:5}:e===pA||e===gA?{byteLength:16,width:6,height:5}:e===mA||e===fA?{byteLength:16,width:6,height:6}:e===yA||e===bA?{byteLength:16,width:8,height:5}:e===xA||e===TA?{byteLength:16,width:8,height:6}:e===_A||e===vA?{byteLength:16,width:8,height:8}:e===NA||e===SA?{byteLength:16,width:10,height:5}:e===RA||e===EA?{byteLength:16,width:10,height:6}:e===wA||e===AA?{byteLength:16,width:10,height:8}:e===CA||e===MA?{byteLength:16,width:10,height:10}:e===BA||e===LA?{byteLength:16,width:12,height:10}:e===FA||e===PA?{byteLength:16,width:12,height:12}:void 0}_convertAddressMode(e){let t=UA;return e===$r?t=DA:e===Gr&&(t=IA),t}_convertFilterMode(e){let t=OA;return e!==B&&e!==zr&&e!==bt||(t=VA),t}_convertMipmapFilterMode(e){return e===bt||e===Q?OA:VA}_getBytesPerTexel(e){return e===WE||e===HE||e===jE||e===qE?1:e===XE||e===YE||e===KE||e===QE||e===ZE||e===JE||e===ew||e===tw||e===rw?2:e===sw||e===iw||e===nw||e===aw||e===ow||e===uw||e===lw||e===dw||e===cw||e===hw||e===pw||e===gw||e===mw||e===fw||e===yw||e===bw||e===xw||e===Tw||e===Uw||e===Fw||e===Pw||e===Dw?4:e===_w||e===vw||e===Nw||e===Sw||e===Rw||e===Ew||e===ww||e===Aw?8:e===Cw||e===Mw||e===Bw?16:void 0}_getTypedArrayType(e){return e===jE?Uint8Array:e===qE?Int8Array:e===WE?Uint8Array:e===HE?Int8Array:e===JE?Uint8Array:e===ew?Int8Array:e===QE?Uint8Array:e===ZE?Int8Array:e===hw?Uint8Array:e===pw?Int8Array:e===lw||e===dw?Uint8Array:e===cw?Int8Array:e===XE?Uint16Array:e===YE?Int16Array:e===aw?Uint16Array:e===ow?Int16Array:e===Sw?Uint16Array:e===Rw?Int16Array:e===KE||e===uw||e===Ew||e===tw?Uint16Array:e===rw?Int16Array:e===fw?Uint16Array:e===yw?Int16Array:e===ww?Uint16Array:e===Aw?Int16Array:e===sw?Uint32Array:e===iw?Int32Array:e===nw?Float32Array:e===_w?Uint32Array:e===vw?Int32Array:e===Nw?Float32Array:e===Cw?Uint32Array:e===Mw?Int32Array:e===Bw?Float32Array:e===gw||e===mw?Uint8Array:e===xw||e===bw||e===Tw?Uint32Array:e===Uw?Float32Array:e===Fw||e===Pw?Uint32Array:e===Dw?Float32Array:void 0}_getDimension(e){let t;return t=e.is3DTexture||e.isData3DTexture?wC:EC,t}}function AM(e,t){const r=e.format,s=e.type,i=e.normalized,n=e.colorSpace,a=p.getTransfer(n);let u,l=!1;if(i&&(l=t.features.has(UC.TextureFormatsTier1),!1===l&&d("WebGPURenderer: Unable to use normalized textures without texture-formats-tier1 feature.")),!0===e.isCompressedTexture||!0===e.isCompressedArrayTexture)switch(r){case or:case ur:u=a===g?Ow:Iw;break;case lr:u=a===g?kw:Vw;break;case dr:u=a===g?$w:Gw;break;case Or:u=zw;break;case Vr:u=Ww;break;case W:u=Hw;break;case kr:u=jw;break;case Ur:u=a===g?Kw:Yw;break;case Dr:u=Xw;break;case Ir:u=qw;break;case fr:case mr:u=a===g?Zw:Qw;break;case yr:u=a===g?rA:tA;break;case br:u=sA;break;case xr:u=iA;break;case H:u=nA;break;case Tr:u=aA;break;case _r:u=a===g?uA:oA;break;case vr:u=a===g?dA:lA;break;case Nr:u=a===g?hA:cA;break;case Sr:u=a===g?gA:pA;break;case Rr:u=a===g?fA:mA;break;case Er:u=a===g?bA:yA;break;case wr:u=a===g?TA:xA;break;case Ar:u=a===g?vA:_A;break;case Cr:u=a===g?SA:NA;break;case Mr:u=a===g?EA:RA;break;case Br:u=a===g?AA:wA;break;case Lr:u=a===g?MA:CA;break;case Fr:u=a===g?LA:BA;break;case Pr:u=a===g?PA:FA;break;case Ee:u=a===g?dw:lw;break;default:o("WebGPURenderer: Unsupported texture format.",r)}else switch(r){case Ee:switch(s){case Oe:u=cw;break;case ke:u=l?Aw:Rw;break;case Ge:u=l?ww:Sw;break;case S:u=Cw;break;case R:u=Mw;break;case Ve:u=a===g?dw:lw;break;case Te:u=Ew;break;case Y:u=Bw;break;default:o("WebGPURenderer: Unsupported texture type with RGBAFormat.",s)}break;case Xe:switch(s){case Je:u=bw;break;case et:u=Tw;break;default:o("WebGPURenderer: Unsupported texture type with RGBFormat.",s)}break;case ze:switch(s){case Oe:u=HE;break;case ke:u=l?rw:YE;break;case Ge:u=l?tw:XE;break;case S:u=sw;break;case R:u=iw;break;case Ve:u=WE;break;case Te:u=KE;break;case Y:u=nw;break;default:o("WebGPURenderer: Unsupported texture type with RedFormat.",s)}break;case z:switch(s){case Oe:u=ZE;break;case ke:u=l?yw:ow;break;case Ge:u=l?fw:aw;break;case S:u=_w;break;case R:u=vw;break;case Ve:u=QE;break;case Te:u=uw;break;case Y:u=Nw;break;default:o("WebGPURenderer: Unsupported texture type with RGFormat.",s)}break;case He:switch(s){case Ge:u=Lw;break;case S:u=Fw;break;case Y:u=Uw;break;default:o("WebGPURenderer: Unsupported texture type with DepthFormat.",s)}break;case je:switch(s){case Ze:u=Pw;break;case Y:t&&!1===t.features.has(UC.Depth32FloatStencil8)&&o('WebGPURenderer: Depth textures with DepthStencilFormat + FloatType can only be used with the "depth32float-stencil8" GPU feature.'),u=Dw;break;default:o("WebGPURenderer: Unsupported texture type with DepthStencilFormat.",s)}break;case We:switch(s){case R:u=iw;break;case S:u=sw;break;default:o("WebGPURenderer: Unsupported texture type with RedIntegerFormat.",s)}break;case qe:switch(s){case R:u=vw;break;case S:u=_w;break;default:o("WebGPURenderer: Unsupported texture type with RGIntegerFormat.",s)}break;case Ft:switch(s){case R:u=Mw;break;case S:u=Cw;break;default:o("WebGPURenderer: Unsupported texture type with RGBAIntegerFormat.",s)}break;default:o("WebGPURenderer: Unsupported texture format.",r)}return u}const CM=/^[fn]*\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)\s*[\-\>]*\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/i,MM=/([a-z_0-9]+)\s*:\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/gi,BM={f32:"float",i32:"int",u32:"uint",bool:"bool","vec2<f32>":"vec2","vec2<i32>":"ivec2","vec2<u32>":"uvec2","vec2<bool>":"bvec2",vec2f:"vec2",vec2i:"ivec2",vec2u:"uvec2",vec2b:"bvec2","vec3<f32>":"vec3","vec3<i32>":"ivec3","vec3<u32>":"uvec3","vec3<bool>":"bvec3",vec3f:"vec3",vec3i:"ivec3",vec3u:"uvec3",vec3b:"bvec3","vec4<f32>":"vec4","vec4<i32>":"ivec4","vec4<u32>":"uvec4","vec4<bool>":"bvec4",vec4f:"vec4",vec4i:"ivec4",vec4u:"uvec4",vec4b:"bvec4","mat2x2<f32>":"mat2",mat2x2f:"mat2","mat3x3<f32>":"mat3",mat3x3f:"mat3","mat4x4<f32>":"mat4",mat4x4f:"mat4",sampler:"sampler",texture_1d:"texture",texture_2d:"texture",texture_2d_array:"texture",texture_multisampled_2d:"cubeTexture",texture_depth_2d:"depthTexture",texture_depth_2d_array:"depthTexture",texture_depth_multisampled_2d:"depthTexture",texture_depth_cube:"depthTexture",texture_depth_cube_array:"depthTexture",texture_3d:"texture3D",texture_cube:"cubeTexture",texture_cube_array:"cubeTexture",texture_storage_1d:"storageTexture",texture_storage_2d:"storageTexture",texture_storage_2d_array:"storageTexture",texture_storage_3d:"storageTexture"};class LM extends WS{constructor(e){const{type:t,inputs:r,name:s,inputsCode:i,blockCode:n,outputType:a}=(e=>{const t=(e=e.trim()).match(CM);if(null!==t&&4===t.length){const r=t[2],s=[];let i=null;for(;null!==(i=MM.exec(r));)s.push({name:i[1],type:i[2]});const n=[];for(let e=0;e<s.length;e++){const{name:t,type:r}=s[e];let i=r;i.startsWith("ptr")?i="pointer":(i.startsWith("texture")&&(i=r.split("<")[0]),i=BM[i]),n.push(new MS(i,t))}const a=e.substring(t[0].length),o=t[3]||"void",u=void 0!==t[1]?t[1]:"";return{type:BM[o]||o,inputs:n,name:u,inputsCode:r,blockCode:a,outputType:o}}throw new Error("THREE.WGSLNodeFunction: Function is not a WGSL code.")})(e);super(t,r,s),this.inputsCode=i,this.blockCode=n,this.outputType=a}getCode(e=this.name){const t="void"!==this.outputType?"-> "+this.outputType:"";return`fn ${e} ( ${this.inputsCode.trim()} ) ${t}`+this.blockCode}}class FM extends zS{parseFunction(e){return new LM(e)}}const PM={[ai.READ_ONLY]:"read",[ai.WRITE_ONLY]:"write",[ai.READ_WRITE]:"read_write"},UM={[$r]:"repeat",[_e]:"clamp",[Gr]:"mirror"},DM={vertex:EE.VERTEX,fragment:EE.FRAGMENT,compute:EE.COMPUTE},IM={instance:!0,swizzleAssign:!1,storageBuffer:!0},OM={"^^":"tsl_xor"},VM={float:"f32",int:"i32",uint:"u32",bool:"bool",color:"vec3<f32>",vec2:"vec2<f32>",ivec2:"vec2<i32>",uvec2:"vec2<u32>",bvec2:"vec2<bool>",vec3:"vec3<f32>",ivec3:"vec3<i32>",uvec3:"vec3<u32>",bvec3:"vec3<bool>",vec4:"vec4<f32>",ivec4:"vec4<i32>",uvec4:"vec4<u32>",bvec4:"vec4<bool>",mat2:"mat2x2<f32>",mat3:"mat3x3<f32>",mat4:"mat4x4<f32>"},kM={},GM={tsl_xor:new zT("fn tsl_xor( a : bool, b : bool ) -> bool { return ( a || b ) && !( a && b ); }"),mod_float:new zT("fn tsl_mod_float( x : f32, y : f32 ) -> f32 { return x - y * floor( x / y ); }"),mod_vec2:new zT("fn tsl_mod_vec2( x : vec2f, y : vec2f ) -> vec2f { return x - y * floor( x / y ); }"),mod_vec3:new zT("fn tsl_mod_vec3( x : vec3f, y : vec3f ) -> vec3f { return x - y * floor( x / y ); }"),mod_vec4:new zT("fn tsl_mod_vec4( x : vec4f, y : vec4f ) -> vec4f { return x - y * floor( x / y ); }"),equals_bool:new zT("fn tsl_equals_bool( a : bool, b : bool ) -> bool { return a == b; }"),equals_bvec2:new zT("fn tsl_equals_bvec2( a : vec2f, b : vec2f ) -> vec2<bool> { return vec2<bool>( a.x == b.x, a.y == b.y ); }"),equals_bvec3:new zT("fn tsl_equals_bvec3( a : vec3f, b : vec3f ) -> vec3<bool> { return vec3<bool>( a.x == b.x, a.y == b.y, a.z == b.z ); }"),equals_bvec4:new zT("fn tsl_equals_bvec4( a : vec4f, b : vec4f ) -> vec4<bool> { return vec4<bool>( a.x == b.x, a.y == b.y, a.z == b.z, a.w == b.w ); }"),repeatWrapping_float:new zT("fn tsl_repeatWrapping_float( coord: f32 ) -> f32 { return fract( coord ); }"),mirrorWrapping_float:new zT("fn tsl_mirrorWrapping_float( coord: f32 ) -> f32 { let mirrored = fract( coord * 0.5 ) * 2.0; return 1.0 - abs( 1.0 - mirrored ); }"),clampWrapping_float:new zT("fn tsl_clampWrapping_float( coord: f32 ) -> f32 { return clamp( coord, 0.0, 1.0 ); }"),biquadraticTexture:new zT("\nfn tsl_biquadraticTexture( map : texture_2d<f32>, coord : vec2f, iRes : vec2u, level : u32 ) -> vec4f {\n\n\tlet res = vec2f( iRes );\n\n\tlet uvScaled = coord * res;\n\tlet uvWrapping = ( ( uvScaled % res ) + res ) % res;\n\n\t// https://www.shadertoy.com/view/WtyXRy\n\n\tlet uv = uvWrapping - 0.5;\n\tlet iuv = floor( uv );\n\tlet f = fract( uv );\n\n\tlet rg1 = textureLoad( map, vec2u( iuv + vec2( 0.5, 0.5 ) ) % iRes, level );\n\tlet rg2 = textureLoad( map, vec2u( iuv + vec2( 1.5, 0.5 ) ) % iRes, level );\n\tlet rg3 = textureLoad( map, vec2u( iuv + vec2( 0.5, 1.5 ) ) % iRes, level );\n\tlet rg4 = textureLoad( map, vec2u( iuv + vec2( 1.5, 1.5 ) ) % iRes, level );\n\n\treturn mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );\n\n}\n"),biquadraticTextureArray:new zT("\nfn tsl_biquadraticTexture_array( map : texture_2d_array<f32>, coord : vec2f, iRes : vec2u, layer : u32, level : u32 ) -> vec4f {\n\n\tlet res = vec2f( iRes );\n\n\tlet uvScaled = coord * res;\n\tlet uvWrapping = ( ( uvScaled % res ) + res ) % res;\n\n\t// https://www.shadertoy.com/view/WtyXRy\n\n\tlet uv = uvWrapping - 0.5;\n\tlet iuv = floor( uv );\n\tlet f = fract( uv );\n\n\tlet rg1 = textureLoad( map, vec2u( iuv + vec2( 0.5, 0.5 ) ) % iRes, layer, level );\n\tlet rg2 = textureLoad( map, vec2u( iuv + vec2( 1.5, 0.5 ) ) % iRes, layer, level );\n\tlet rg3 = textureLoad( map, vec2u( iuv + vec2( 0.5, 1.5 ) ) % iRes, layer, level );\n\tlet rg4 = textureLoad( map, vec2u( iuv + vec2( 1.5, 1.5 ) ) % iRes, layer, level );\n\n\treturn mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );\n\n}\n")},$M={dFdx:"dpdx",dFdy:"- dpdy",mod_float:"tsl_mod_float",mod_vec2:"tsl_mod_vec2",mod_vec3:"tsl_mod_vec3",mod_vec4:"tsl_mod_vec4",equals_bool:"tsl_equals_bool",equals_bvec2:"tsl_equals_bvec2",equals_bvec3:"tsl_equals_bvec3",equals_bvec4:"tsl_equals_bvec4",inversesqrt:"inverseSqrt",bitcast:"bitcast<f32>",floatpack_snorm_2x16:"pack2x16snorm",floatpack_unorm_2x16:"pack2x16unorm",floatpack_float16_2x16:"pack2x16float",floatunpack_snorm_2x16:"unpack2x16snorm",floatunpack_unorm_2x16:"unpack2x16unorm",floatunpack_float16_2x16:"unpack2x16float"};let zM="";!0!==("undefined"!=typeof navigator&&/Firefox|Deno/g.test(navigator.userAgent))&&(zM+="diagnostic( off, derivative_uniformity );\n");class WM extends AS{constructor(e,t){super(e,t,new FM),this.uniformGroups={},this.uniformGroupsBindings={},this.builtins={},this.directives={},this.scopedArrays=new Map,this.allowEarlyReturns=!0,this.allowGlobalVariables=!0}_generateTextureSample(e,t,r,s,i,n=this.shaderStage){return"fragment"===n?s?i?`textureSample( ${t}, ${t}_sampler, ${r}, ${s}, ${i} )`:`textureSample( ${t}, ${t}_sampler, ${r}, ${s} )`:i?`textureSample( ${t}, ${t}_sampler, ${r}, ${i} )`:`textureSample( ${t}, ${t}_sampler, ${r} )`:this.generateTextureSampleLevel(e,t,r,"0",s)}generateTextureSampleLevel(e,t,r,s,i,n){return!1===this.isUnfilterable(e)?i?n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s} )`:this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r,n,s,i):this.generateTextureLod(e,t,r,i,n,s)}generateWrapFunction(e){const t=`tsl_coord_${UM[e.wrapS]}S_${UM[e.wrapT]}T_${e.is3DTexture||e.isData3DTexture?"3d":"2d"}`;let r=kM[t];if(void 0===r){const s=[],i=e.is3DTexture||e.isData3DTexture?"vec3f":"vec2f";let n=`fn ${t}( coord : ${i} ) -> ${i} {\n\n\treturn ${i}(\n`;const a=(e,t)=>{e===$r?(s.push(GM.repeatWrapping_float),n+=`\t\ttsl_repeatWrapping_float( coord.${t} )`):e===_e?(s.push(GM.clampWrapping_float),n+=`\t\ttsl_clampWrapping_float( coord.${t} )`):e===Gr?(s.push(GM.mirrorWrapping_float),n+=`\t\ttsl_mirrorWrapping_float( coord.${t} )`):(n+=`\t\tcoord.${t}`,d(`WebGPURenderer: Unsupported texture wrap type "${e}" for vertex shader.`))};a(e.wrapS,"x"),n+=",\n",a(e.wrapT,"y"),(e.is3DTexture||e.isData3DTexture)&&(n+=",\n",a(e.wrapR,"z")),n+="\n\t);\n\n}\n",kM[t]=r=new zT(n,s)}return r.build(this),t}generateArrayDeclaration(e,t){return`array< ${this.getType(e)}, ${t} >`}generateTextureDimension(e,t,r){const s=this.getDataFromNode(e,this.shaderStage,this.cache);void 0===s.dimensionsSnippet&&(s.dimensionsSnippet={});let i=s.dimensionsSnippet[r];if(void 0===s.dimensionsSnippet[r]){let n,a;const{primarySamples:o}=this.renderer.backend.utils.getTextureSampleData(e),u=o>1;a=e.is3DTexture||e.isData3DTexture?"vec3<u32>":"vec2<u32>",n=u||e.isStorageTexture?t:`${t}${r?`, u32( ${r} )`:""}`,i=new Ou(new Bl(`textureDimensions( ${n} )`,a)),s.dimensionsSnippet[r]=i,(e.isArrayTexture||e.isDataArrayTexture||e.is3DTexture||e.isData3DTexture)&&(s.arrayLayerCount=new Ou(new Bl(`textureNumLayers(${t})`,"u32"))),e.isTextureCube&&(s.cubeFaceCount=new Ou(new Bl("6u","u32")))}return i.build(this)}generateFilteredTexture(e,t,r,s,i="0u",n){const a=this.generateWrapFunction(e),o=this.generateTextureDimension(e,t,i);return s&&(r=`${r} + vec2<f32>(${s}) / ${o}`),n?(this._include("biquadraticTextureArray"),`tsl_biquadraticTexture_array( ${t}, ${a}( ${r} ), ${o}, u32( ${n} ), u32( ${i} ) )`):(this._include("biquadraticTexture"),`tsl_biquadraticTexture( ${t}, ${a}( ${r} ), ${o}, u32( ${i} ) )`)}generateTextureLod(e,t,r,s,i,n="0u"){if(!0===e.isCubeTexture){i&&(r=`${r} + vec3<f32>(${i})`);return`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${e.isDepthTexture?"u32":"f32"}( ${n} ) )`}const a=this.generateWrapFunction(e),o=this.generateTextureDimension(e,t,n),u=e.is3DTexture||e.isData3DTexture?"vec3":"vec2";i&&(r=`${r} + ${u}<f32>(${i}) / ${u}<f32>( ${o} )`);return r=`${u}<u32>( clamp( floor( ${a}( ${r} ) * ${u}<f32>( ${o} ) ), ${`${u}<f32>( 0 )`}, ${`${u}<f32>( ${o} - ${"vec3"===u?"vec3<u32>( 1, 1, 1 )":"vec2<u32>( 1, 1 )"} )`} ) )`,this.generateTextureLoad(e,t,r,n,s,null)}generateStorageTextureLoad(e,t,r,s,i,n){let a;return n&&(r=`${r} + ${n}`),a=i?`textureLoad( ${t}, ${r}, ${i} )`:`textureLoad( ${t}, ${r} )`,a}generateTextureLoad(e,t,r,s,i,n){let a;return null===s&&(s="0u"),n&&(r=`${r} + ${n}`),i?a=`textureLoad( ${t}, ${r}, ${i}, u32( ${s} ) )`:(a=`textureLoad( ${t}, ${r}, u32( ${s} ) )`,this.renderer.backend.compatibilityMode&&e.isDepthTexture&&(a+=".x")),a}generateTextureStore(e,t,r,s,i){let n;return n=s?`textureStore( ${t}, ${r}, ${s}, ${i} )`:`textureStore( ${t}, ${r}, ${i} )`,n}isSampleCompare(e){return!0===e.isDepthTexture&&null!==e.compareFunction&&this.renderer.hasCompatibility(E.TEXTURE_COMPARE)}isUnfilterable(e){return"float"!==this.getComponentTypeFromTexture(e)||!this.isAvailable("float32Filterable")&&e.type===Y||!1===this.isSampleCompare(e)&&e.minFilter===B&&e.magFilter===B||this.renderer.backend.utils.getTextureSampleData(e).primarySamples>1}generateTexture(e,t,r,s,i,n=this.shaderStage){let a=null;return a=this.isUnfilterable(e)?this.generateTextureLod(e,t,r,s,i,"0",n):this._generateTextureSample(e,t,r,s,i,n),a}generateTextureGrad(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return i?n?`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${i}, ${s[0]}, ${s[1]}, ${n} )`:`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${i}, ${s[0]}, ${s[1]} )`:n?`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${s[0]}, ${s[1]}, ${n} )`:`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${s[0]}, ${s[1]} )`;o(`WebGPURenderer: THREE.TextureNode.gradient() does not support ${a} shader.`)}generateTextureCompare(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return!0===e.isDepthTexture&&!0===e.isArrayTexture?n?`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${s} )`;o(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${a} shader.`)}generateTextureGather(e,t,r,s,i,n){const a=!0===e.isDepthTexture?"":`${s}, `;return i?n?`textureGather( ${a}${t}, ${t}_sampler, ${r}, ${i}, ${n} )`:`textureGather( ${a}${t}, ${t}_sampler, ${r}, ${i} )`:n?`textureGather( ${a}${t}, ${t}_sampler, ${r}, ${n} )`:`textureGather( ${a}${t}, ${t}_sampler, ${r})`}generateTextureGatherCompare(e,t,r,s,i,n){return i?n?`textureGatherCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureGatherCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s})`:n?`textureGatherCompare( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureGatherCompare( ${t}, ${t}_sampler, ${r}, ${s})`}generateTextureLevel(e,t,r,s,i,n){return!1===this.isUnfilterable(e)?i?n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s} )`:this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r,n,s,i):this.generateTextureLod(e,t,r,i,n,s)}generateTextureBias(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return i?n?`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${s} )`;o(`WebGPURenderer: THREE.TextureNode.biasNode does not support ${a} shader.`)}getPropertyName(e,t=this.shaderStage){if(!0===e.isNodeVarying&&!0===e.needsInterpolation){if("vertex"===t)return`varyings.${e.name}`}else if(!0===e.isNodeUniform){const t=e.name,r=e.type;return"texture"===r||"cubeTexture"===r||"cubeDepthTexture"===r||"storageTexture"===r||"texture3D"===r?t:"buffer"===r||"storageBuffer"===r||"indirectStorageBuffer"===r?this.isCustomStruct(e)?t:t+".value":e.groupNode.name+"."+t}return super.getPropertyName(e)}getOutputStructName(){return"output"}getFunctionOperator(e){const t=OM[e];return void 0!==t?(this._include(t),t):null}getNodeAccess(e,t){return"compute"!==t?!0===e.isAtomic?(d("WebGPURenderer: Atomic operations are only supported in compute shaders."),ai.READ_WRITE):ai.READ_ONLY:e.access}getStorageAccess(e,t){return PM[this.getNodeAccess(e,t)]}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);if(void 0===n.uniformGPU){let a;const o=e.groupNode,u=o.name,l=this.getBindGroupArray(u,r);if("texture"===t||"cubeTexture"===t||"cubeDepthTexture"===t||"storageTexture"===t||"texture3D"===t){let s=null;const n=this.getNodeAccess(e,r);"texture"===t||"storageTexture"===t?s=!0===e.value.is3DTexture?new WR(i.name,i.node,o,n):new $R(i.name,i.node,o,n):"cubeTexture"===t||"cubeDepthTexture"===t?s=new zR(i.name,i.node,o,n):"texture3D"===t&&(s=new WR(i.name,i.node,o,n)),s.store=!0===e.isStorageTextureNode,s.mipLevel=s.store?e.mipLevel:0,s.setVisibility(DM[r]);if(!0===e.value.isCubeTexture||!1===this.isUnfilterable(e.value)&&!1===s.store||null!==e.gatherNode){const e=new IC(`${i.name}_sampler`,i.node,o);e.setVisibility(DM[r]),l.push(e,s),a=[e,s]}else l.push(s),a=[s]}else if("buffer"===t||"storageBuffer"===t||"indirectStorageBuffer"===t){const n=this.getSharedDataFromNode(e);let u=n.buffer;if(void 0===u){u=new("buffer"===t?UR:kC)(e,o),n.buffer=u}u.setVisibility(u.getVisibility()|DM[r]),l.push(u),a=u,i.name=s||"NodeBuffer_"+i.id}else{let e=this.uniformGroups[u];void 0===e&&(e=new OR(u,o),e.setVisibility(EE.VERTEX|EE.FRAGMENT|EE.COMPUTE),this.uniformGroups[u]=e),-1===l.indexOf(e)&&l.push(e),a=this.getNodeUniform(i,t);const r=a.name;e.uniforms.some(e=>e.name===r)||e.addUniform(a)}n.uniformGPU=a}return i}getBuiltin(e,t,r,s=this.shaderStage){const i=this.builtins[s]||(this.builtins[s]=new Map);return!1===i.has(e)&&i.set(e,{name:e,property:t,type:r}),t}hasBuiltin(e,t=this.shaderStage){return void 0!==this.builtins[t]&&this.builtins[t].has(e)}getVertexIndex(){return"vertex"===this.shaderStage?this.getBuiltin("vertex_index","vertexIndex","u32","attribute"):"vertexIndex"}buildFunctionCode(e){const t=e.layout,r=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(e.name+" : "+this.getType(e.type));let i=`fn ${t.name}( ${s.join(", ")} ) -> ${this.getType(t.type)} {\n${r.vars}\n${r.code}\n`;return r.result&&(i+=`\treturn ${r.result};\n`),i+="\n}\n",i}getInstanceIndex(){return"vertex"===this.shaderStage?this.getBuiltin("instance_index","instanceIndex","u32","attribute"):"instanceIndex"}getInvocationLocalIndex(){return this.getBuiltin("local_invocation_index","invocationLocalIndex","u32","attribute")}getSubgroupSize(){return this.enableSubGroups(),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute")}getInvocationSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_invocation_id","invocationSubgroupIndex","u32","attribute")}getSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_id","subgroupIndex","u32","attribute")}getDrawIndex(){return null}getFrontFacing(){return this.getBuiltin("front_facing","isFront","bool")}getFragCoord(){return this.getBuiltin("position","fragCoord","vec4<f32>")+".xy"}getFragDepth(){return"output."+this.getBuiltin("frag_depth","depth","f32","output")}getClipDistance(){return"varyings.hw_clip_distances"}isFlipY(){return!1}enableDirective(e,t=this.shaderStage){(this.directives[t]||(this.directives[t]=new Set)).add(e)}getDirectives(e){const t=[],r=this.directives[e];if(void 0!==r)for(const e of r)t.push(`enable ${e};`);return t.join("\n")}enableSubGroups(){this.enableDirective("subgroups")}enableSubgroupsF16(){this.enableDirective("subgroups-f16")}enableClipDistances(){this.enableDirective("clip_distances")}enableShaderF16(){this.enableDirective("f16")}enableDualSourceBlending(){this.enableDirective("dual_source_blending")}enableHardwareClipping(e){this.enableClipDistances(),this.getBuiltin("clip_distances","hw_clip_distances",`array<f32, ${e} >`,"vertex")}getBuiltins(e){const t=[],r=this.builtins[e];if(void 0!==r)for(const{name:e,property:s,type:i}of r.values())t.push(`@builtin( ${e} ) ${s} : ${i}`);return t.join(",\n\t")}getScopedArray(e,t,r,s){return!1===this.scopedArrays.has(e)&&this.scopedArrays.set(e,{name:e,scope:t,bufferType:r,bufferCount:s}),e}getScopedArrays(e){if("compute"!==e)return;const t=[];for(const{name:e,scope:r,bufferType:s,bufferCount:i}of this.scopedArrays.values()){const n=this.getType(s);t.push(`var<${r}> ${e}: array< ${n}, ${i} >;`)}return t.join("\n")}getAttributes(e){const t=[];if("compute"===e&&(this.getBuiltin("global_invocation_id","globalId","vec3<u32>","attribute"),this.getBuiltin("workgroup_id","workgroupId","vec3<u32>","attribute"),this.getBuiltin("local_invocation_id","localId","vec3<u32>","attribute"),this.getBuiltin("num_workgroups","numWorkgroups","vec3<u32>","attribute"),this.renderer.hasFeature("subgroups")&&(this.enableDirective("subgroups",e),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute"))),"vertex"===e||"compute"===e){const e=this.getBuiltins("attribute");e&&t.push(e);const r=this.getAttributesArray();for(let e=0,s=r.length;e<s;e++){const s=r[e],i=s.name,n=this.getType(s.type);t.push(`@location( ${e} ) ${i} : ${n}`)}}return t.join(",\n\t")}getStructMembers(e){const t=[];for(const r of e.members){const s=e.output?"@location( "+r.index+" ) ":"";let i=this.getType(r.type);r.atomic&&(i="atomic< "+i+" >"),t.push(`\t${s+r.name} : ${i}`)}return e.output&&t.push(`\t${this.getBuiltins("output")}`),t.join(",\n")}getStructs(e){let t="";const r=this.structs[e];if(r.length>0){const e=[];for(const t of r){let r=`struct ${t.name} {\n`;r+=this.getStructMembers(t),r+="\n};",e.push(r)}t="\n"+e.join("\n\n")+"\n"}return t}getVar(e,t,r=null,s=""){let i=`var${s} ${t} : `;return i+=null!==r?this.generateArrayDeclaration(e,r):this.getType(e),i}getVars(e,t=!1){let r="";t&&(r="<private>");const s=[],i=this.vars[e];if(void 0!==i)for(const e of i)s.push(`${this.getVar(e.type,e.name,e.count,r)};`);return t?s.join("\n"):`\n\t${s.join("\n\t")}\n`}getVaryings(e){const t=[];if("vertex"===e&&this.getBuiltin("position","builtinClipSpace","vec4<f32>","vertex"),"vertex"===e||"fragment"===e){const r=this.varyings,s=this.vars[e];let i=0;for(let n=0;n<r.length;n++){const a=r[n];if(a.needsInterpolation){let e=`@location( ${i++} )`;if(a.interpolationType){const t=null!==a.interpolationSampling?`, ${a.interpolationSampling} )`:" )";e+=` @interpolate( ${a.interpolationType}${t}`}else/^(int|uint|ivec|uvec)/.test(a.type)&&(e+=" @interpolate(flat, either)");t.push(`${e} ${a.name} : ${this.getType(a.type)}`)}else"vertex"===e&&!1===s.includes(a)&&s.push(a)}}const r=this.getBuiltins(e);r&&t.push(r);const s=t.join(",\n\t");return"vertex"===e?this._getWGSLStruct("VaryingsStruct","\t"+s):s}isCustomStruct(e){const t=e.value,r=e.node,s=(t.isBufferAttribute||t.isInstancedBufferAttribute)&&null!==r.structTypeNode,i=r.value&&r.value.array&&"number"==typeof r.value.itemSize&&r.value.array.length>r.value.itemSize;return s&&!i}getUniforms(e){const t=this.renderer.backend,r=this.uniforms[e],s=[],i=[],n=[],a={};for(const n of r){const r=n.groupNode.name,o=this.bindingsIndexes[r];if("texture"===n.type||"cubeTexture"===n.type||"cubeDepthTexture"===n.type||"storageTexture"===n.type||"texture3D"===n.type){const r=n.node,i=r.value;let a;(!0===i.isCubeTexture||!1===this.isUnfilterable(i)&&!0!==r.isStorageTextureNode||null!==r.gatherNode)&&(this.isSampleCompare(i)&&null!==r.compareNode?s.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${n.name}_sampler : sampler_comparison;`):s.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${n.name}_sampler : sampler;`));let u="";const{primarySamples:l}=t.utils.getTextureSampleData(i);if(l>1&&(u="_multisampled"),!0===i.isCubeTexture&&!0===i.isDepthTexture)a="texture_depth_cube";else if(!0===i.isCubeTexture)a="texture_cube<f32>";else if(!0===i.isDepthTexture)a=t.compatibilityMode&&null===i.compareFunction?`texture${u}_2d<f32>`:`texture_depth${u}_2d${!0===i.isArrayTexture?"_array":""}`;else if(!0===n.node.isStorageTextureNode){const r=AM(i,t.device),s=this.getStorageAccess(n.node,e),o=n.node.value.is3DTexture,u=n.node.value.isArrayTexture;a=`texture_storage_${o?"3d":"2d"+(u?"_array":"")}<${r}, ${s}>`}else if(!0===i.isArrayTexture||!0===i.isDataArrayTexture||!0===i.isCompressedArrayTexture)a="texture_2d_array<f32>";else if(!0===i.is3DTexture||!0===i.isData3DTexture)a="texture_3d<f32>";else{a=`texture${u}_2d<${this.getComponentTypeFromTexture(i).charAt(0)}32>`}s.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${n.name} : ${a};`)}else if("buffer"===n.type||"storageBuffer"===n.type||"indirectStorageBuffer"===n.type){const t=n.node,r=this.getType(t.getNodeType(this)),s=t.bufferCount,a=s>0&&"buffer"===n.type?", "+s:"",u=t.isStorageBufferNode?`storage, ${this.getStorageAccess(t,e)}`:"uniform";if(this.isCustomStruct(n))i.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var<${u}> ${n.name} : ${r};`);else{const e=`\tvalue : array< ${t.isAtomic?`atomic<${r}>`:`${r}`}${a} >`;i.push(this._getWGSLStructBinding(n.name,e,u,o.binding++,o.group))}}else{const e=n.groupNode.name;if(void 0===a[e]){const t=this.uniformGroups[e];if(void 0!==t){const r=[];for(const e of t.uniforms){const t=e.getType(),s=this.getType(this.getVectorType(t));r.push(`\t${e.name} : ${s}`)}let s=this.uniformGroupsBindings[e];void 0===s&&(s={index:o.binding++,id:o.group},this.uniformGroupsBindings[e]=s),a[e]={index:s.index,id:s.id,snippets:r}}}}}for(const e in a){const t=a[e];n.push(this._getWGSLStructBinding(e,t.snippets.join(",\n"),"uniform",t.index,t.id))}return[...s,...i,...n].join("\n")}buildCode(){const e=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){this.shaderStage=t;const r=this.allowGlobalVariables,s=e[t];s.uniforms=this.getUniforms(t),s.attributes=this.getAttributes(t),s.varyings=this.getVaryings(t),s.structs=this.getStructs(t),s.vars=this.getVars(t,r),s.codes=this.getCodes(t),s.directives=this.getDirectives(t),s.scopedArrays=this.getScopedArrays(t);let i="// code\n\n";i+=this.flowCode[t];const n=this.flowNodes[t],a=n[n.length-1],o=a.outputNode,u=void 0!==o&&!0===o.isOutputStructNode;for(const e of n){const r=this.getFlowData(e),n=e.name;if(n&&(i.length>0&&(i+="\n"),i+=`\t// flow -> ${n}\n`),i+=`${r.code}\n\t`,e===a&&"compute"!==t)if(i+="// result\n\n\t","vertex"===t)i+=`varyings.builtinClipSpace = ${r.result};`;else if("fragment"===t)if(u)s.returnType=o.getNodeType(this),s.structs+="var<private> output : "+s.returnType+";",i+=`return ${r.result};`;else{let e=`\t@location( 0 ) color: ${this.getType(this.getOutputType())}`;const t=this.getBuiltins("output");t&&(e+=",\n\t"+t),s.returnType="OutputStruct",s.structs+=this._getWGSLStruct("OutputStruct",e),s.structs+="\nvar<private> output : OutputStruct;",i+=`output.color = ${this.format(r.result,a.getNodeType(this),this.getOutputType())};\n\n\treturn output;`}}s.flow=i}if(this.shaderStage=null,null!==this.material)this.vertexShader=this._getWGSLVertexCode(e.vertex),this.fragmentShader=this._getWGSLFragmentCode(e.fragment);else{const t=this.object.workgroupSize;this.computeShader=this._getWGSLComputeCode(e.compute,t)}}getMethod(e,t=null){let r;return null!==t&&(r=this._getWGSLMethod(e+"_"+t)),void 0===r&&(r=this._getWGSLMethod(e)),r||e}getBitcastMethod(e){return`bitcast<${this.getType(e)}>`}getFloatPackingMethod(e){return this.getMethod(`floatpack_${e}_2x16`)}getFloatUnpackingMethod(e){return this.getMethod(`floatunpack_${e}_2x16`)}getTernary(e,t,r){return`select( ${r}, ${t}, ${e} )`}getType(e){return VM[e]||e}isAvailable(e){let t=IM[e];return void 0===t&&("float32Filterable"===e?t=this.renderer.hasFeature("float32-filterable"):"clipDistance"===e&&(t=this.renderer.hasFeature("clip-distances")),IM[e]=t),t}_getWGSLMethod(e){return void 0!==GM[e]&&this._include(e),$M[e]}_include(e){const t=GM[e];return t.build(this),this.addInclude(t),t}_getWGSLVertexCode(e){return`${this.getSignature()}\n// directives\n${e.directives}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\nvar<private> varyings : VaryingsStruct;\n\n// vars\n${e.vars}\n\n// codes\n${e.codes}\n\n@vertex\nfn main( ${e.attributes} ) -> VaryingsStruct {\n\n\t// flow\n\t${e.flow}\n\n\treturn varyings;\n\n}\n`}_getWGSLFragmentCode(e){return`${this.getSignature()}\n// global\n${zM}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// vars\n${e.vars}\n\n// codes\n${e.codes}\n\n@fragment\nfn main( ${e.varyings} ) -> ${e.returnType} {\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLComputeCode(e,t){const[r,s,i]=t;return`${this.getSignature()}\n// directives\n${e.directives}\n\n// system\nvar<private> instanceIndex : u32;\n\n// locals\n${e.scopedArrays}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// vars\n${this.allowGlobalVariables?e.vars:""}\n\n// codes\n${e.codes}\n\n@compute @workgroup_size( ${r}, ${s}, ${i} )\nfn main( ${e.attributes} ) {\n\n\t// local vars\n\t${this.allowGlobalVariables?"":e.vars}\n\n\t// system\n\tinstanceIndex = globalId.x\n\t\t+ globalId.y * ( ${r} * numWorkgroups.x )\n\t\t+ globalId.z * ( ${r} * numWorkgroups.x ) * ( ${s} * numWorkgroups.y );\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLStruct(e,t){return`\nstruct ${e} {\n${t}\n};`}_getWGSLStructBinding(e,t,r,s=0,i=0){const n=e+"Struct";return`${this._getWGSLStruct(n,t)}\n@binding( ${s} ) @group( ${i} )\nvar<${r}> ${e} : ${n};`}}const HM=new HC,jM=new jC,qM=new Map([[Int8Array,["sint8","snorm8"]],[Uint8Array,["uint8","unorm8"]],[Int16Array,["sint16","snorm16"]],[Uint16Array,["uint16","unorm16"]],[Int32Array,["sint32","snorm32"]],[Uint32Array,["uint32","unorm32"]],[Float32Array,["float32"]]]);"undefined"!=typeof Float16Array&&qM.set(Float16Array,["float16"]);const XM=new Map([[xt,["float16"]]]),YM=new Map([[Int32Array,"sint32"],[Int16Array,"sint32"],[Uint32Array,"uint32"],[Uint16Array,"uint32"],[Float32Array,"float32"]]);class KM{constructor(e){this.backend=e}createAttribute(e,t){const r=this._getBufferAttribute(e),s=this.backend,i=s.get(r);let n=i.buffer;if(void 0===n){const a=s.device;let o=r.array;if(!1===e.normalized)if(o.constructor===Int16Array||o.constructor===Int8Array)o=new Int32Array(o);else if((o.constructor===Uint16Array||o.constructor===Uint8Array)&&(o=new Uint32Array(o),t&GPUBufferUsage.INDEX))for(let e=0;e<o.length;e++)65535===o[e]&&(o[e]=4294967295);if(r.array=o,(r.isStorageBufferAttribute||r.isStorageInstancedBufferAttribute)&&3===r.itemSize){o=new o.constructor(4*r.count);for(let e=0;e<r.count;e++)o.set(r.array.subarray(3*e,3*e+3),4*e);r.itemSize=4,r.array=o,i._force3to4BytesAlignment=!0}const u=o.byteLength,l=u+(4-u%4)%4;HM.label=r.name,HM.size=l,HM.usage=t,HM.mappedAtCreation=!0,n=a.createBuffer(HM),HM.reset(),new o.constructor(n.getMappedRange()).set(o),n.unmap(),i.buffer=n}}updateAttribute(e){const t=this._getBufferAttribute(e),r=this.backend,s=r.device,i=r.get(t),n=r.get(t).buffer;let a=t.array;if(!0===i._force3to4BytesAlignment){a=new a.constructor(4*t.count);for(let e=0;e<t.count;e++)a.set(t.array.subarray(3*e,3*e+3),4*e);t.array=a}const o=t.updateRanges;if(0===o.length)s.queue.writeBuffer(n,0,a,0);else{const e=Kr(a),r=e?1:a.BYTES_PER_ELEMENT;for(let t=0,u=o.length;t<u;t++){const u=o[t];let l,d;if(!0===i._force3to4BytesAlignment){l=4*Math.floor(u.start/3)*r,d=4*Math.ceil(u.count/3)*r}else l=u.start*r,d=u.count*r;const c=l*(e?a.BYTES_PER_ELEMENT:1);s.queue.writeBuffer(n,c,a,l,d)}t.clearUpdateRanges()}}createShaderVertexBuffers(e){const t=e.getAttributes(),r=new Map;for(let e=0;e<t.length;e++){const s=t[e],i=s.array.BYTES_PER_ELEMENT,n=this._getBufferAttribute(s);let a=r.get(n);if(void 0===a){let e,t;!0===s.isInterleavedBufferAttribute?(e=s.data.stride*i,t=s.data.isInstancedInterleavedBuffer?PC:FC):(e=s.itemSize*i,t=s.isInstancedBufferAttribute?PC:FC),!1!==s.normalized||s.array.constructor!==Int16Array&&s.array.constructor!==Uint16Array||(e=4),a={arrayStride:e,attributes:[],stepMode:t},r.set(n,a)}const o=this._getVertexFormat(s),u=!0===s.isInterleavedBufferAttribute?s.offset*i:0;a.attributes.push({shaderLocation:e,offset:u,format:o})}return Array.from(r.values())}destroyAttribute(e){const t=this.backend;t.get(this._getBufferAttribute(e)).buffer.destroy(),t.delete(e)}async getArrayBufferAsync(e,t=null,r=0,s=-1){const i=this.backend,n=i.device,a=i.get(this._getBufferAttribute(e)).buffer,o=-1===s?a.size-r:s;let u;if(null!==t&&t.isReadbackBuffer){const e=i.get(t);if(!0===t._mapped)throw new Error("THREE.WebGPUAttributeUtils: ReadbackBuffer must be released before being used again.");if(t._mapped=!0,void 0===e.readBufferGPU){HM.label=`${t.name}_readback`,HM.size=t.maxByteLength,HM.usage=GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ,u=n.createBuffer(HM),HM.reset();const r=()=>{t.buffer=null,t._mapped=!1,u.unmap()},s=()=>{t.buffer=null,t._mapped=!1,u.destroy(),i.delete(t),t.removeEventListener("release",r),t.removeEventListener("dispose",s)};t.addEventListener("release",r),t.addEventListener("dispose",s),e.readBufferGPU=u}else u=e.readBufferGPU}else HM.label=`${e.name}_readback`,HM.size=o,HM.usage=GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ,u=n.createBuffer(HM),HM.reset();jM.label=`readback_encoder_${e.name}`;const l=n.createCommandEncoder(jM);jM.reset(),l.copyBufferToBuffer(a,r,u,0,o);if(zC(n,l.finish()),await u.mapAsync(GPUMapMode.READ,0,o),null===t){const e=u.getMappedRange(0,o).slice();return u.destroy(),e}if(t.isReadbackBuffer)return t.buffer=u.getMappedRange(0,o),t;{const e=u.getMappedRange(0,o);return new Uint8Array(t).set(new Uint8Array(e)),u.destroy(),t}}_getVertexFormat(e){const{itemSize:t,normalized:r}=e,s=e.array.constructor,i=e.constructor;let n;if(1===t)n=YM.get(s);else{const e=(XM.get(i)||qM.get(s))[r?1:0];if(e){const r=s.BYTES_PER_ELEMENT*t,i=4*Math.floor((r+3)/4)/s.BYTES_PER_ELEMENT;if(i%1)throw new Error("THREE.WebGPUAttributeUtils: Bad vertex format item size.");n=`${e}x${i}`}}return n||o("WebGPUAttributeUtils: Vertex format not supported yet."),n}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}const QM=new WC,ZM=new HC,JM=new eM;class eB{constructor(e){this.layoutGPU=e,this.usedTimes=0}}class tB{constructor(e){this.backend=e,this._bindGroupLayoutCache=new Map}createBindingsLayout(e){const t=this.backend,r=t.device,s=t.get(e);if(s.layout)return s.layout.layoutGPU;const i=this._createLayoutEntries(e),n=Gs(JSON.stringify(i));let a=this._bindGroupLayoutCache.get(n);return void 0===a&&(a=new eB(r.createBindGroupLayout({entries:i})),this._bindGroupLayoutCache.set(n,a)),a.usedTimes++,s.layout=a,s.layoutKey=n,a.layoutGPU}createBindings(e,t,r,s=0){const{backend:i}=this,n=i.get(e),a=this.createBindingsLayout(e);let o;r>0&&(void 0===n.groups&&(n.groups=[],n.versions=[]),n.versions[r]===s&&(o=n.groups[r])),void 0===o&&(o=this.createBindGroup(e,a),r>0&&(n.groups[r]=o,n.versions[r]=s)),n.group=o}updateBinding(e){const t=this.backend,r=t.device,s=e.buffer,i=t.get(e).buffer,n=e.updateRanges;if(0===n.length)r.queue.writeBuffer(i,0,s,0);else{const e=Kr(s),t=e?1:s.BYTES_PER_ELEMENT;for(let a=0,o=n.length;a<o;a++){const o=n[a],u=o.start*t,l=o.count*t,d=u*(e?s.BYTES_PER_ELEMENT:1);r.queue.writeBuffer(i,d,s,u,l)}}}createBindGroupIndex(e,t){const r=this.backend.device,s=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,i=e[0];ZM.label="bindingCameraIndex_"+i,ZM.size=16,ZM.usage=s;const n=r.createBuffer(ZM);ZM.reset(),r.queue.writeBuffer(n,0,e,0),QM.label="bindGroupCameraIndex_"+i,QM.layout=t,QM.entries.push({binding:0,resource:{buffer:n}});const a=r.createBindGroup(QM);return QM.reset(),a}createBindGroup(e,t){const r=this.backend,s=r.device;let i=0;QM.label="bindGroup_"+e.name,QM.layout=t;for(const t of e.bindings){if(t.isUniformBuffer){const e=r.get(t);QM.entries.push({binding:i,resource:{buffer:e.buffer}})}else if(t.isStorageBuffer){const e=r.get(t.attribute).buffer;QM.entries.push({binding:i,resource:{buffer:e}})}else if(t.isSampledTexture){const e=r.get(t.texture);let n;if(void 0!==e.externalTexture)n=s.importExternalTexture({source:e.externalTexture});else{const r=t.store?1:e.texture.mipLevelCount,s=t.store?t.mipLevel:0;let i=`view-${e.texture.width}-${e.texture.height}`;if(e.texture.depthOrArrayLayers>1&&(i+=`-${e.texture.depthOrArrayLayers}`),i+=`-${r}-${s}`,n=e[i],void 0===n){const a=LC;let o;o=t.isSampledCubeTexture?MC:t.texture.isArrayTexture||t.texture.isDataArrayTexture||t.texture.isCompressedArrayTexture?CC:t.isSampledTexture3D?BC:AC,JM.aspect=a,JM.dimension=o,JM.mipLevelCount=r,JM.baseMipLevel=s,n=e[i]=e.texture.createView(JM),JM.reset()}}QM.entries.push({binding:i,resource:n})}else if(t.isSampler){const e=r.get(t.texture);QM.entries.push({binding:i,resource:e.sampler})}i++}const n=s.createBindGroup(QM);return QM.reset(),n}_createLayoutEntries(e){const t=[];let r=0;for(const s of e.bindings){const e=this.backend,i={binding:r,visibility:s.visibility};if(s.isUniformBuffer||s.isStorageBuffer){const e={};s.isStorageBuffer&&(s.visibility&EE.COMPUTE&&(s.access===ai.READ_WRITE||s.access===ai.WRITE_ONLY)?e.type=gC:e.type=mC),i.buffer=e}else if(s.isSampledTexture&&s.store){const e={};e.format=this.backend.get(s.texture).texture.format;const t=s.access;e.access=t===ai.READ_WRITE?bC:t===ai.WRITE_ONLY?fC:yC,s.texture.isArrayTexture?e.viewDimension=CC:s.texture.is3DTexture&&(e.viewDimension=BC),i.storageTexture=e}else if(s.isSampledTexture){const t={},{primarySamples:r}=e.utils.getTextureSampleData(s.texture);if(r>1&&(t.multisampled=!0,s.texture.isDepthTexture||(t.sampleType=vC)),s.texture.isDepthTexture)e.compatibilityMode&&null===s.texture.compareFunction?t.sampleType=vC:t.sampleType=NC;else{const e=s.texture.type;e===R?t.sampleType=SC:e===S?t.sampleType=RC:e===Y&&(this.backend.hasFeature("float32-filterable")?t.sampleType=_C:t.sampleType=vC)}s.isSampledCubeTexture?t.viewDimension=MC:s.texture.isArrayTexture||s.texture.isDataArrayTexture||s.texture.isCompressedArrayTexture?t.viewDimension=CC:s.isSampledTexture3D&&(t.viewDimension=BC),i.texture=t}else if(s.isSampler){const t={};s.texture.isDepthTexture&&(null!==s.texture.compareFunction&&null!==s.textureNode.compareNode&&e.hasCompatibility(E.TEXTURE_COMPARE)?t.type=TC:t.type=xC),i.sampler=t}else o(`WebGPUBindingUtils: Unsupported binding "${s}".`);t.push(i),r++}return t}deleteBindGroupData(e){const{backend:t}=this,r=t.get(e);r.layout&&(r.layout.usedTimes--,0===r.layout.usedTimes&&this._bindGroupLayoutCache.delete(r.layoutKey),r.layout=void 0,r.layoutKey=void 0)}dispose(){this._bindGroupLayoutCache.clear()}}class rB{constructor(e){this.backend=e}getMaxAnisotropy(){return 16}getUniformBufferLimit(){return this.backend.device.limits.maxUniformBufferBindingSize}}const sB=new class{constructor(){this.label="",this.layout=null,this.compute=null}reset(){this.label="",this.layout=null,this.compute=null}},iB=new class{constructor(){this.label="",this.bindGroupLayouts=null}reset(){this.label="",this.bindGroupLayouts=null}},nB=new qC,aB=new KC;class oB{constructor(e){this.backend=e,this._activePipelines=new WeakMap}setPipeline(e,t){this._activePipelines.get(e)!==t&&(e.setPipeline(t),this._activePipelines.set(e,t))}_getSampleCount(e){return this.backend.utils.getSampleCountRenderContext(e)}createRenderPipeline(e,t){const{object:r,material:s,geometry:i,pipeline:n}=e,{vertexProgram:a,fragmentProgram:u}=n,l=this.backend,d=l.device,c=l.utils,h=l.get(n),p=[];for(const t of e.getBindings()){const e=l.get(t),{layoutGPU:r}=e.layout;p.push(r)}const g=l.attributeUtils.createShaderVertexBuffers(e);let m;s.blending===re||s.blending===tt&&!1===s.transparent||(m=this._getBlending(s));let f={};!0===s.stencilWrite&&(f={compare:this._getStencilCompare(s),failOp:this._getStencilOperation(s.stencilFail),depthFailOp:this._getStencilOperation(s.stencilZFail),passOp:this._getStencilOperation(s.stencilZPass)});const y=this._getColorWriteMask(s),b=[];if(null!==e.context.textures){const t=e.context.textures,r=e.context.mrt;for(let e=0;e<t.length;e++){const s=t[e],i=c.getTextureFormatGPU(s);let n;if(null!==r)if(!0!==this.backend.compatibilityMode){const e=r.getBlendMode(s.name);e.blending===nt?n=m:e.blending!==re&&(n=this._getBlending(e))}else v("WebGPURenderer: Multiple Render Targets (MRT) blending configuration is not fully supported in compatibility mode. The material blending will be used for all render targets."),n=m;else n=m;b.push({format:i,blend:n,writeMask:y})}}else{const t=c.getCurrentColorFormat(e.context);b.push({format:t,blend:m,writeMask:y})}const x=l.get(a).module,T=l.get(u).module,_=this._getPrimitiveState(r,i,s),N=this._getDepthCompare(s),S=c.getCurrentDepthStencilFormat(e.context),R=this._getSampleCount(e.context);iB.bindGroupLayouts=p;const E=d.createPipelineLayout(iB);iB.reset(),aB.label=`renderPipeline_${s.name||s.type}_${s.id}`,aB.vertex=Object.assign({},x,{buffers:g}),aB.fragment=Object.assign({},T,{targets:b}),aB.primitive=_,aB.multisample.count=R,aB.multisample.alphaToCoverageEnabled=s.alphaToCoverage&&R>1,aB.layout=E;const w={},A=e.context.depth,C=e.context.stencil;!0!==A&&!0!==C||(!0===A&&(w.format=S,w.depthWriteEnabled=s.depthWrite,w.depthCompare=N),!0===C&&(w.stencilFront=f,w.stencilBack=f,w.stencilReadMask=s.stencilFuncMask,w.stencilWriteMask=s.stencilWriteMask),!0===s.polygonOffset&&_.topology===RE&&(w.depthBias=s.polygonOffsetUnits,w.depthBiasSlopeScale=s.polygonOffsetFactor,w.depthBiasClamp=0),aB.depthStencil=w),d.pushErrorScope("validation");const M=[{program:a,module:x.module},{program:u,module:T.module}],B=aB.label;if(null===t)h.pipeline=d.createRenderPipeline(aB),aB.reset(),d.popErrorScope().then(e=>{null!==e&&(h.error=!0,o(`WebGPURenderer: Render pipeline creation failed (${B}): ${e.message}`),this._reportShaderDiagnostics(M,B))});else{const e=new Promise(async e=>{try{let e=null;try{h.pipeline=await d.createRenderPipelineAsync(aB)}catch(t){e=t}const t=await d.popErrorScope();if(null!==t||null!==e){h.error=!0;const r=t&&t.message||e&&e.message||"unknown";o(`WebGPURenderer: Async render pipeline creation failed (${B}): ${r}`),await this._reportShaderDiagnostics(M,B)}}finally{aB.reset(),e()}});t.push(e)}}createBundleEncoder(e,t="renderBundleEncoder"){const r=this.backend,{utils:s,device:i}=r,n=s.getCurrentDepthStencilFormat(e),a=s.getCurrentColorFormats(e),o=this._getSampleCount(e);nB.label=t,nB.colorFormats=a,nB.depthStencilFormat=n,nB.sampleCount=o;const u=i.createRenderBundleEncoder(nB);return nB.reset(),u}createComputePipeline(e,t){const r=this.backend,s=r.device,i=r.get(e.computeProgram).module,n=r.get(e),a=[];for(const e of t){const t=r.get(e),{layoutGPU:s}=t.layout;a.push(s)}const u=e.computeProgram,l=`computePipeline_${u.stage}${u.name?`_${u.name}`:""}`;s.pushErrorScope("validation"),iB.bindGroupLayouts=a;const d=s.createPipelineLayout(iB);iB.reset(),sB.label=l,sB.compute=i,sB.layout=d,n.pipeline=s.createComputePipeline(sB),sB.reset(),s.popErrorScope().then(e=>{null!==e&&(n.error=!0,o(`WebGPURenderer: Compute pipeline creation failed (${l}): ${e.message}`),this._reportShaderDiagnostics([{program:u,module:i.module}],l))})}async _reportShaderDiagnostics(e,t){for(const{program:r,module:s}of e){const e=await s.getCompilationInfo();if(0===e.messages.length)continue;const i=r.code.split("\n");for(const s of e.messages){const e=s.lineNum>0?` at line ${s.lineNum}${s.linePos>0?`:${s.linePos}`:""}`:"",n=`WebGPURenderer [${t} / ${r.stage} ${s.type}]${e}: ${s.message}`;let a="";s.lineNum>0&&s.lineNum<=i.length&&(a=`\n  ${i[s.lineNum-1]}`,s.linePos>0&&(a+=`\n  ${" ".repeat(s.linePos-1)}^`)),("error"===s.type?o:d)(n+a)}}}_getBlending(e){let t,r;const s=e.blending,i=e.blendSrc,n=e.blendDst,a=e.blendEquation;if(s===Rt){const s=null!==e.blendSrcAlpha?e.blendSrcAlpha:i,o=null!==e.blendDstAlpha?e.blendDstAlpha:n,u=null!==e.blendEquationAlpha?e.blendEquationAlpha:a;t={srcFactor:this._getBlendFactor(i),dstFactor:this._getBlendFactor(n),operation:this._getBlendOperation(a)},r={srcFactor:this._getBlendFactor(s),dstFactor:this._getBlendFactor(o),operation:this._getBlendOperation(u)}}else{const i=(e,s,i,n)=>{t={srcFactor:e,dstFactor:s,operation:JA},r={srcFactor:i,dstFactor:n,operation:JA}};if(e.premultipliedAlpha)switch(s){case tt:i(GA,HA,GA,HA);break;case Qt:i(GA,GA,GA,GA);break;case Kt:i(kA,zA,kA,GA);break;case Yt:i(jA,HA,kA,GA)}else switch(s){case tt:i(WA,HA,GA,HA);break;case Qt:i(WA,GA,GA,GA);break;case Kt:o(`WebGPURenderer: "SubtractiveBlending" requires "${e.isMaterial?"material":"blendMode"}.premultipliedAlpha = true".`);break;case Yt:o(`WebGPURenderer: "MultiplyBlending" requires "${e.isMaterial?"material":"blendMode"}.premultipliedAlpha = true".`)}}if(void 0!==t&&void 0!==r)return{color:t,alpha:r};o("WebGPURenderer: Invalid blending: ",s)}_getBlendFactor(e){let t;switch(e){case Et:t=kA;break;case Ht:t=GA;break;case Wt:t=$A;break;case kt:t=zA;break;case rt:t=WA;break;case st:t=HA;break;case $t:t=jA;break;case Vt:t=qA;break;case Gt:t=XA;break;case Ot:t=YA;break;case zt:t=KA;break;case 211:t=QA;break;case 212:t=ZA;break;default:o("WebGPURenderer: Blend factor not supported.",e)}return t}_getStencilCompare(e){let t;const r=e.stencilFunc;switch(r){case is:t=wE;break;case ss:t=PE;break;case rs:t=AE;break;case ts:t=ME;break;case es:t=CE;break;case Jr:t=FE;break;case Zr:t=BE;break;case Qr:t=LE;break;default:o("WebGPURenderer: Invalid stencil function.",r)}return t}_getStencilOperation(e){let t;switch(e){case hs:t=aC;break;case cs:t=oC;break;case ds:t=uC;break;case ls:t=lC;break;case us:t=dC;break;case os:t=cC;break;case as:t=hC;break;case ns:t=pC;break;default:o("WebGPURenderer: Invalid stencil operation.",t)}return t}_getBlendOperation(e){let t;switch(e){case it:t=JA;break;case It:t=eC;break;case Dt:t=tC;break;case gs:t=rC;break;case ps:t=sC;break;default:o("WebGPUPipelineUtils: Blend equation not supported.",e)}return t}_getPrimitiveState(e,t,r){const s={},i=this.backend.utils;s.topology=i.getPrimitiveTopology(e,r),null!==t.index&&!0===e.isLine&&!0!==e.isLineSegments&&(s.stripIndexFormat=t.index.array instanceof Uint16Array?$E:zE);let n=r.side===F;return e.isMesh&&e.matrixWorld.determinant()<0&&(n=!n),s.frontFace=!0===n?VE:OE,s.cullMode=r.side===P?kE:GE,s}_getColorWriteMask(e){return!0===e.colorWrite?nC:iC}_getDepthCompare(e){let t;if(!1===e.depthTest)t=PE;else{const r=this.backend.parameters.reversedDepthBuffer?ar[e.depthFunc]:e.depthFunc;switch(r){case nr:t=wE;break;case ir:t=PE;break;case sr:t=AE;break;case rr:t=ME;break;case tr:t=CE;break;case er:t=FE;break;case Jt:t=BE;break;case Zt:t=LE;break;default:o("WebGPUPipelineUtils: Invalid depth function.",r)}}return t}}class uB{constructor(){this.label="",this.type=void 0,this.count=0}reset(){this.label="",this.type=void 0,this.count=0}}const lB=new HC,dB=new jC,cB=new uB;class hB extends xE{constructor(e,t,r=2048){super(r),this.device=e,this.type=t,cB.label=`queryset_global_timestamp_${t}`,cB.type="timestamp",cB.count=this.maxQueries,this.querySet=this.device.createQuerySet(cB),cB.reset();const s=8*this.maxQueries;lB.label=`buffer_timestamp_resolve_${t}`,lB.size=s,lB.usage=GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC,this.resolveBuffer=this.device.createBuffer(lB),lB.reset(),lB.label=`buffer_timestamp_result_${t}`,lB.size=s,lB.usage=GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ,this.resultBuffer=this.device.createBuffer(lB),lB.reset()}allocateQueriesForContext(e){if(!this.trackTimestamp||this.isDisposed)return null;if(this.currentQueryIndex+2>this.maxQueries)return v(`WebGPUTimestampQueryPool [${this.type}]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${this.type.toUpperCase()} ).`),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryOffsets.set(e,t),t}async resolveQueriesAsync(){if(!this.trackTimestamp||0===this.currentQueryIndex||this.isDisposed)return this.lastValue;if(this.pendingResolve)return this.pendingResolve;this.pendingResolve=this._resolveQueries();try{return await this.pendingResolve}finally{this.pendingResolve=null}}async _resolveQueries(){if(this.isDisposed)return this.lastValue;try{if("unmapped"!==this.resultBuffer.mapState)return this.lastValue;const e=new Map(this.queryOffsets),t=this.currentQueryIndex,r=8*t;this.currentQueryIndex=0,this.queryOffsets.clear();const s=this.device.createCommandEncoder(dB);s.resolveQuerySet(this.querySet,0,t,this.resolveBuffer,0),s.copyBufferToBuffer(this.resolveBuffer,0,this.resultBuffer,0,r);const i=s.finish();if(zC(this.device,i),"unmapped"!==this.resultBuffer.mapState)return this.lastValue;if(await this.resultBuffer.mapAsync(GPUMapMode.READ,0,r),this.isDisposed)return"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue;const n=new BigUint64Array(this.resultBuffer.getMappedRange(0,r)),a={},o=[];for(const[t,r]of e){const e=t.match(/^(.*):f(\d+)$/),s=parseInt(e[2]);!1===o.includes(s)&&o.push(s),void 0===a[s]&&(a[s]=0);const i=n[r],u=n[r+1],l=Number(u-i)/1e6;this.timestamps.set(t,l),a[s]+=l}const u=a[o[o.length-1]];return this.resultBuffer.unmap(),this.lastValue=u,this.frames=o,u}catch(e){return o("Error resolving queries:",e),"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue}}async dispose(){if(!this.isDisposed){if(this.isDisposed=!0,this.pendingResolve)try{await this.pendingResolve}catch(e){o("Error waiting for pending resolve:",e)}if(this.resultBuffer&&"mapped"===this.resultBuffer.mapState)try{this.resultBuffer.unmap()}catch(e){o("Error unmapping buffer:",e)}this.querySet&&(this.querySet.destroy(),this.querySet=null),this.resolveBuffer&&(this.resolveBuffer.destroy(),this.resolveBuffer=null),this.resultBuffer&&(this.resultBuffer.destroy(),this.resultBuffer=null),this.queryOffsets.clear(),this.pendingResolve=null}}}class pB{constructor(){this.view=null,this.depthLoadOp=void 0,this.depthStoreOp=void 0,this.depthClearValue=void 0,this.depthReadOnly=!1,this.stencilLoadOp=void 0,this.stencilStoreOp=void 0,this.stencilClearValue=0,this.stencilReadOnly=!1}reset(){this.view=null,this.depthLoadOp=void 0,this.depthStoreOp=void 0,this.depthClearValue=void 0,this.depthReadOnly=!1,this.stencilLoadOp=void 0,this.stencilStoreOp=void 0,this.stencilClearValue=0,this.stencilReadOnly=!1}}const gB={r:0,g:0,b:0,a:1},mB=new HC,fB=new jC,yB=new class{constructor(){this.label="",this.timestampWrites=void 0}reset(){this.label="",this.timestampWrites=void 0}},bB=new uB,xB=new ZC,TB=new class{constructor(){this.querySet=null,this.beginningOfPassWriteIndex=void 0,this.endOfPassWriteIndex=void 0}reset(){this.querySet=null,this.beginningOfPassWriteIndex=void 0,this.endOfPassWriteIndex=void 0}},_B=new hM,vB=new hM,NB=new eM,SB=new pM;class RB extends tE{constructor(e={}){super(e),this.isWebGPUBackend=!0,this.parameters.alpha=void 0===e.alpha||e.alpha,this.parameters.requiredLimits=void 0===e.requiredLimits?{}:e.requiredLimits,this.compatibilityMode=null,this.device=null,this.defaultRenderPassdescriptor=null,this.utils=new $C(this),this.attributeUtils=new KM(this),this.bindingUtils=new tB(this),this.capabilities=new rB(this),this.pipelineUtils=new oB(this),this.textureUtils=new wM(this),this.occludedResolveCache=new Map;const t="undefined"==typeof navigator||!1===/Android/.test(navigator.userAgent);this._compatibility={[E.TEXTURE_COMPARE]:t}}async init(e){await super.init(e);const t=this.parameters;let r;if(void 0===t.device){const s={powerPreference:t.powerPreference,featureLevel:"compatibility",xrCompatible:e.xr.enabled},i="undefined"!=typeof navigator?await navigator.gpu.requestAdapter(s):null;if(null===i)throw new Error("THREE.WebGPUBackend: Unable to create WebGPU adapter.");const n=Object.values(UC),a=[];for(const e of n)i.features.has(e)&&a.push(e);const o={requiredFeatures:a,requiredLimits:t.requiredLimits};r=await i.requestDevice(o)}else r=t.device;this.compatibilityMode=!r.features.has("core-features-and-limits"),this.compatibilityMode&&(e._samples=0),r.lost.then(t=>{if("destroyed"===t.reason)return;const r={api:"WebGPU",message:t.message||"Unknown reason",reason:t.reason||null,originalEvent:t};e.onDeviceLost(r)}),r.onuncapturederror=t=>{const r=t.error,s=r&&r.constructor?r.constructor.name:"GPUError",i=r&&r.message||"Unknown uncaptured GPU error";e.onError({api:"WebGPU",type:s,message:i,originalEvent:t})},this.device=r,this.trackTimestamp=this.trackTimestamp&&this.hasFeature(UC.TimestampQuery),this.updateSize()}setXRRenderTargetTextures(e,t,r=null){this.set(e.texture,{texture:t,format:t.format,externalTexture:!0,xrViewDescriptors:r,initialized:!0})}get context(){const e=this.renderer.getCanvasTarget(),t=this.get(e);let r=t.context;if(void 0===r){const s=this.parameters;r=!0===e.isDefaultCanvasTarget&&void 0!==s.context?s.context:e.domElement.getContext("webgpu"),"setAttribute"in e.domElement&&e.domElement.setAttribute("data-engine",`three.js r${_t} webgpu`);const i=s.alpha?"premultiplied":"opaque",n=s.outputType===Te?"extended":"standard";r.configure({device:this.device,format:this.utils.getPreferredCanvasFormat(),usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC,alphaMode:i,toneMapping:{mode:n}}),t.context=r}return r}get coordinateSystem(){return h}async getArrayBufferAsync(e,t=null,r=0,s=-1){return await this.attributeUtils.getArrayBufferAsync(e,t,r,s)}getContext(){return this.context}_getDefaultRenderPassDescriptor(){const e=this.renderer,t=e.getCanvasTarget(),r=this.get(t),s=e.currentSamples;let i=r.descriptor;if(void 0===i||r.samples!==s){if(i=new YC,i.colorAttachments.push(new XC),!0===e.depth||!0===e.stencil){const t=new pB;t.view=this.textureUtils.getDepthBuffer(e.depth,e.stencil).createView(),i.depthStencilAttachment=t}const t=i.colorAttachments[0];s>0?t.view=this.textureUtils.getColorBuffer().createView():t.resolveTarget=void 0,r.descriptor=i,r.samples=s}const n=i.colorAttachments[0];return s>0?n.resolveTarget=this.context.getCurrentTexture().createView():n.view=this.context.getCurrentTexture().createView(),i}_isRenderCameraDepthArray(e){const t=e.camera;return e.depthTexture&&!0===e.depthTexture.isArrayTexture&&null!==t&&!0===t.isArrayCamera}_hasExternalTexture(e){const t=e.textures;if(null===t)return!1;for(let e=0;e<t.length;e++)if(!0===this.get(t[e]).externalTexture)return!0;return!1}_createExternalTextureViews(e,t){const r=[],s=e.camera;if(t.xrViewDescriptors&&null!==s&&!0===s.isArrayCamera)for(let e=0;e<t.xrViewDescriptors.length;e++)r.push({view:t.texture.createView(t.xrViewDescriptors[e]),resolveTarget:void 0,depthSlice:void 0});else r.push({view:t.texture.createView({dimension:AC,baseArrayLayer:e.activeCubeFace,arrayLayerCount:1}),resolveTarget:void 0,depthSlice:void 0});return r}_getRenderPassDescriptor(e,t={}){const r=e.renderTarget,s=this.get(r),i=this._hasExternalTexture(e);let n=s.descriptors;(void 0===n||s.width!==r.width||s.height!==r.height||s.samples!==r.samples||i)&&(n={},s.descriptors=n);const a=e.getCacheKey();let o=n[a];if(void 0===o||i){const t=e.textures,i=[];let u;const l=this._isRenderCameraDepthArray(e);for(let s=0;s<t.length;s++){const n=this.get(t[s]);if(!0!==n.externalTexture){if(NB.label=`colorAttachment_${s}`,NB.baseMipLevel=e.activeMipmapLevel,NB.mipLevelCount=1,NB.baseArrayLayer=e.activeCubeFace,NB.arrayLayerCount=1,NB.dimension=AC,r.isRenderTarget3D)u=e.activeCubeFace,NB.baseArrayLayer=0,NB.dimension=BC;else if(r.isRenderTarget&&t[s].image.depth>1)if(!0===l){const t=e.camera.cameras;for(let e=0;e<t.length;e++){NB.baseArrayLayer=e,NB.arrayLayerCount=1,NB.dimension=AC;const t=n.texture.createView(NB);i.push({view:t,resolveTarget:void 0,depthSlice:void 0})}}else NB.dimension=CC;if(!0!==l){const e=n.texture.createView(NB);let t,r;void 0!==n.msaaTexture?(t=n.msaaTexture.createView(),r=e):(t=e,r=void 0),i.push({view:t,resolveTarget:r,depthSlice:u})}NB.reset()}else i.push(...this._createExternalTextureViews(e,n))}const d=[];for(let e=0;e<i.length;e++){const t=i[e],r=new XC;r.view=t.view,r.depthSlice=t.depthSlice,r.resolveTarget=t.resolveTarget,d.push(r)}if(o={textureViews:i,colorAttachments:d,descriptor:new YC},e.depth){const t=this.get(e.depthTexture);(e.depthTexture.isArrayTexture||e.depthTexture.isCubeTexture)&&(NB.dimension=AC,NB.arrayLayerCount=1,NB.baseArrayLayer=e.activeCubeFace);const r=new pB;r.view=t.texture.createView(NB),o.depthStencilAttachment=r,NB.reset()}n[a]=o,s.width=r.width,s.height=r.height,s.samples=r.samples,s.activeMipmapLevel=e.activeMipmapLevel,s.activeCubeFace=e.activeCubeFace}const u=o.descriptor;u.reset();for(let e=0;e<o.colorAttachments.length;e++){const r=o.colorAttachments[e];let s={r:0,g:0,b:0,a:1};0===e&&t.clearValue&&(s=t.clearValue),r.loadOp=t.loadOp||DE,r.storeOp=t.storeOp||UE,r.clearValue=s,u.colorAttachments.push(r)}return o.depthStencilAttachment&&(u.depthStencilAttachment=o.depthStencilAttachment),u}beginRender(e){const t=this.get(e),r=this.device,s=e.occlusionQueryCount;let i,n;s>0&&(t.currentOcclusionQuerySet&&t.currentOcclusionQuerySet.destroy(),t.currentOcclusionQueryBuffer&&t.currentOcclusionQueryBuffer.destroy(),t.currentOcclusionQuerySet=t.occlusionQuerySet,t.currentOcclusionQueryBuffer=t.occlusionQueryBuffer,t.currentOcclusionQueryObjects=t.occlusionQueryObjects,bB.label=`occlusionQuerySet_${e.id}`,bB.type="occlusion",bB.count=s,i=r.createQuerySet(bB),bB.reset(),t.occlusionQuerySet=i,t.occlusionQueryIndex=0,t.occlusionQueryObjects=new Array(s),t.lastOcclusionObject=null),n=null===e.textures?this._getDefaultRenderPassDescriptor():this._getRenderPassDescriptor(e,{loadOp:DE}),this.initTimestampQuery(Pt.RENDER,this.getTimestampUID(e),n),n.occlusionQuerySet=i;const a=n.depthStencilAttachment;if(null!==e.textures){const t=n.colorAttachments;for(let r=0;r<t.length;r++){const s=t[r];e.clearColor?(0===r?s.clearValue=e.clearColorValue:(gB.r=0,gB.g=0,gB.b=0,gB.a=1,s.clearValue=gB),s.loadOp=IE):s.loadOp=DE,s.storeOp=UE}}else{const t=n.colorAttachments[0];e.clearColor?(t.clearValue=e.clearColorValue,t.loadOp=IE):t.loadOp=DE,t.storeOp=UE}e.depth&&(e.clearDepth?(a.depthClearValue=e.clearDepthValue,a.depthLoadOp=IE):a.depthLoadOp=DE,a.depthStoreOp=UE),e.stencil&&(e.clearStencil?(a.stencilClearValue=e.clearStencilValue,a.stencilLoadOp=IE):a.stencilLoadOp=DE,a.stencilStoreOp=UE),fB.label="renderContext_"+e.id;const o=r.createCommandEncoder(fB);if(fB.reset(),!0===this._isRenderCameraDepthArray(e)){const r=e.camera.cameras;t.layerDescriptors&&t.layerDescriptors.length===r.length?this._updateArrayCameraLayerDescriptors(e,t,r):this._createArrayCameraLayerDescriptors(e,t,n,r),t.bundleEncoders=[],t.bundleSets=[];for(let s=0;s<r.length;s++){const r=this.pipelineUtils.createBundleEncoder(e,"renderBundleArrayCamera_"+s),i={attributes:{},bindingGroups:[],pipeline:null,index:null};t.bundleEncoders.push(r),t.bundleSets.push(i)}t.currentPass=null}else{const r=o.beginRenderPass(n);t.currentPass=r,e.viewport&&this.updateViewport(e),e.scissor&&this.updateScissor(e)}t.descriptor=n,t.encoder=o,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.renderBundles=[]}_createArrayCameraLayerDescriptors(e,t,r,s){const i=r.depthStencilAttachment;t.layerDescriptors=[];const n=this.get(e.depthTexture);n.viewCache||(n.viewCache=[]);for(let a=0;a<s.length;a++){const s=r.colorAttachments[0],o=new XC;o.view=r.colorAttachments[a].view,o.depthSlice=s.depthSlice,o.resolveTarget=s.resolveTarget,o.loadOp=s.loadOp,o.storeOp=s.storeOp,o.clearValue=s.clearValue;const u=new YC;if(u.label=r.label,u.occlusionQuerySet=r.occlusionQuerySet,u.timestampWrites=r.timestampWrites,u.colorAttachments.push(o),r.depthStencilAttachment){const t=a;n.viewCache[t]||(NB.dimension=AC,NB.baseArrayLayer=a,NB.arrayLayerCount=1,n.viewCache[t]=n.texture.createView(NB),NB.reset());const r=new pB;r.view=n.viewCache[t],r.depthLoadOp=i.depthLoadOp||IE,r.depthStoreOp=i.depthStoreOp||UE,r.depthClearValue=i.depthClearValue||1,e.stencil&&(r.stencilLoadOp=i.stencilLoadOp,r.stencilStoreOp=i.stencilStoreOp,r.stencilClearValue=i.stencilClearValue),u.depthStencilAttachment=r}else{const e=new pB;e.view=i.view,e.depthLoadOp=i.depthLoadOp,e.depthStoreOp=i.depthStoreOp,e.depthClearValue=i.depthClearValue,e.depthReadOnly=i.depthReadOnly,e.stencilLoadOp=i.stencilLoadOp,e.stencilStoreOp=i.stencilStoreOp,e.stencilClearValue=i.stencilClearValue,e.stencilReadOnly=i.stencilReadOnly,u.depthStencilAttachment=e}t.layerDescriptors.push(u)}}_updateArrayCameraLayerDescriptors(e,t,r){for(let s=0;s<r.length;s++){const r=t.layerDescriptors[s];if(r.depthStencilAttachment){const t=r.depthStencilAttachment;e.depth&&(e.clearDepth?(t.depthClearValue=e.clearDepthValue,t.depthLoadOp=IE):t.depthLoadOp=DE),e.stencil&&(e.clearStencil?(t.stencilClearValue=e.clearStencilValue,t.stencilLoadOp=IE):t.stencilLoadOp=DE)}}}finishRender(e){const t=this.get(e),r=e.occlusionQueryCount;t.renderBundles.length>0&&t.currentPass.executeBundles(t.renderBundles),r>t.occlusionQueryIndex&&t.currentPass.endOcclusionQuery();const s=t.encoder;if(!0===this._isRenderCameraDepthArray(e)){const r=[];for(let e=0;e<t.bundleEncoders.length;e++){const s=t.bundleEncoders[e];r.push(s.finish())}for(let i=0;i<t.layerDescriptors.length;i++)if(i<r.length){const n=t.layerDescriptors[i],a=s.beginRenderPass(n);if(e.viewport){const{x:t,y:r,width:s,height:i,minDepth:n,maxDepth:o}=e.viewportValue;a.setViewport(t,r,s,i,n,o)}if(e.scissor){const{x:t,y:r,width:s,height:i}=e.scissorValue;a.setScissorRect(t,r,s,i)}a.executeBundles([r[i]]),a.end()}}else t.currentPass&&t.currentPass.end();if(r>0){const s=8*r;let i=this.occludedResolveCache.get(s);void 0===i&&(mB.size=s,mB.usage=GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC,i=this.device.createBuffer(mB),mB.reset(),this.occludedResolveCache.set(s,i)),mB.size=s,mB.usage=GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ;const n=this.device.createBuffer(mB);mB.reset(),t.encoder.resolveQuerySet(t.occlusionQuerySet,0,r,i,0),t.encoder.copyBufferToBuffer(i,0,n,0,s),t.occlusionQueryBuffer=n,this.resolveOccludedAsync(e)}if(zC(this.device,t.encoder.finish()),null!==e.textures){const t=e.textures;for(let e=0;e<t.length;e++){const r=t[e];!0===r.generateMipmaps&&this.textureUtils.generateMipmaps(r)}}}isOccluded(e,t){const r=this.get(e);return r.occluded&&r.occluded.has(t)}async resolveOccludedAsync(e){const t=this.get(e),{currentOcclusionQueryBuffer:r,currentOcclusionQueryObjects:s}=t;if(r&&s){const e=new WeakSet;t.currentOcclusionQueryObjects=null,t.currentOcclusionQueryBuffer=null,await r.mapAsync(GPUMapMode.READ);const i=r.getMappedRange(),n=new BigUint64Array(i);for(let t=0;t<s.length;t++)n[t]===BigInt(0)&&e.add(s[t]);r.destroy(),t.occluded=e}}updateViewport(e){const{currentPass:t}=this.get(e),{x:r,y:s,width:i,height:n,minDepth:a,maxDepth:o}=e.viewportValue;t.setViewport(r,s,i,n,a,o)}updateScissor(e){const{currentPass:t}=this.get(e),{x:r,y:s,width:i,height:n}=e.scissorValue;t.setScissorRect(r,s,i,n)}getClearColor(){const e=super.getClearColor();return!0===this.renderer.alpha&&(e.r*=e.a,e.g*=e.a,e.b*=e.a),e}clear(e,t,r,s=null){const i=this.device,n=this.renderer;let a,o,u,l=[];if(e){const e=this.getClearColor();gB.r=e.r,gB.g=e.g,gB.b=e.b,gB.a=e.a}if(null===s){o=n.depth,u=n.stencil;const t=this._getDefaultRenderPassDescriptor();if(e){l=t.colorAttachments;const e=l[0];e.clearValue=gB,e.loadOp=IE,e.storeOp=UE}(o||u)&&(a=t.depthStencilAttachment)}else{o=s.depth,u=s.stencil;const i={loadOp:e?IE:DE,clearValue:e?gB:void 0};o&&(i.depthLoadOp=t?IE:DE,i.depthClearValue=t?n.getClearDepth():void 0,i.depthStoreOp=UE),u&&(i.stencilLoadOp=r?IE:DE,i.stencilClearValue=r?n.getClearStencil():void 0,i.stencilStoreOp=UE);const d=this._getRenderPassDescriptor(s,i);l=d.colorAttachments,a=d.depthStencilAttachment}o&&a&&(t?(a.depthLoadOp=IE,a.depthClearValue=n.getClearDepth(),a.depthStoreOp=UE):(a.depthLoadOp=DE,a.depthStoreOp=UE)),u&&a&&(r?(a.stencilLoadOp=IE,a.stencilClearValue=n.getClearStencil(),a.stencilStoreOp=UE):(a.stencilLoadOp=DE,a.stencilStoreOp=UE)),fB.label="clear";const d=i.createCommandEncoder(fB);fB.reset();d.beginRenderPass({colorAttachments:l,depthStencilAttachment:a}).end(),zC(i,d.finish())}beginCompute(e){const t=this.get(e),r="computeGroup_"+e.id;yB.label=r,fB.label=r,this.initTimestampQuery(Pt.COMPUTE,this.getTimestampUID(e),yB),t.cmdEncoderGPU=this.device.createCommandEncoder(fB),t.passEncoderGPU=t.cmdEncoderGPU.beginComputePass(yB),fB.reset(),yB.reset()}compute(e,t,r,s,i=null){const n=this.get(t),{passEncoderGPU:a}=this.get(e),o=this.get(s).pipeline;this.pipelineUtils.setPipeline(a,o);for(let e=0,t=r.length;e<t;e++){const t=r[e],s=this.get(t);a.setBindGroup(e,s.group)}if(null===i&&(i=t.dispatchSize||t.count),i&&i.isIndirectStorageBufferAttribute){const e=this.get(i).buffer;return void a.dispatchWorkgroupsIndirect(e,0)}if("number"==typeof i){const e=i;if(void 0===n.dispatchSize||n.count!==e){n.dispatchSize=[0,1,1],n.count=e;const r=t.workgroupSize;let s=r[0];for(let e=1;e<r.length;e++)s*=r[e];const a=Math.ceil(e/s),o=this.device.limits.maxComputeWorkgroupsPerDimension;i=[a,1,1],a>o&&(i[0]=Math.min(a,o),i[1]=Math.ceil(a/o)),n.dispatchSize=i}i=n.dispatchSize}a.dispatchWorkgroups(i[0],i[1]||1,i[2]||1)}finishCompute(e){const t=this.get(e);t.passEncoderGPU.end(),zC(this.device,t.cmdEncoderGPU.finish())}_draw(e,t,r,s,i,n,a,o,u){const{object:l,material:d,context:c}=e,h=e.getIndex(),p=null!==h;this.pipelineUtils.setPipeline(o,s),u.pipeline=s;const g=u.bindingGroups;for(let e=0,t=i.length;e<t;e++){const t=i[e],r=this.get(t);g[e]!==t.id&&(o.setBindGroup(e,r.group),g[e]=t.id)}if(!0===p&&u.index!==h){const e=this.get(h).buffer,t=h.array instanceof Uint16Array?$E:zE;o.setIndexBuffer(e,t),u.index=h}for(let e=0,t=n.length;e<t;e++){const t=n[e];if(u.attributes[e]!==t){const r=this.get(t).buffer;o.setVertexBuffer(e,r),u.attributes[e]=t}}if(!0===c.stencil&&!0===d.stencilWrite&&r.currentStencilRef!==d.stencilRef&&(o.setStencilReference(d.stencilRef),r.currentStencilRef=d.stencilRef),!0===l.isBatchedMesh){const e=l._multiDrawStarts,r=l._multiDrawCounts,s=l._multiDrawCount;let i=!0===p?h.array.BYTES_PER_ELEMENT:1;d.wireframe&&(i=l.geometry.attributes.position.count>65535?4:2);for(let n=0;n<s;n++)!0===p?o.drawIndexed(r[n],1,e[n]/i,0,n):o.draw(r[n],1,e[n],n),t.update(l,r[n],1)}else if(!0===p){const{vertexCount:r,instanceCount:s,firstVertex:i}=a,n=e.getIndirect();if(null!==n){const t=this.get(n).buffer,r=e.getIndirectOffset(),s=Array.isArray(r)?r:[r];for(let e=0;e<s.length;e++)o.drawIndexedIndirect(t,s[e])}else o.drawIndexed(r,s,i,0,0);t.update(l,r,s)}else{const{vertexCount:r,instanceCount:s,firstVertex:i}=a,n=e.getIndirect();if(null!==n){const t=this.get(n).buffer,r=e.getIndirectOffset(),s=Array.isArray(r)?r:[r];for(let e=0;e<s.length;e++)o.drawIndirect(t,s[e])}else o.draw(r,s,i,0);t.update(l,r,s)}}draw(e,t){const{object:r,context:s,pipeline:i}=e,n=this.get(s),a=this.get(i),o=a.pipeline;if(!0===a.error)return;const u=e.getDrawParameters();if(null===u)return;const l=e.getBindings(),d=e.getVertexBuffers();if(e.camera.isArrayCamera&&e.camera.cameras.length>0){const i=this.get(e.camera),a=e.camera.cameras,c=e.getBindingGroup("cameraIndex");if(void 0===i.indexesGPU||i.indexesGPU.length!==a.length){const e=this.get(c),t=[],r=new Uint32Array([0,0,0,0]);for(let s=0,i=a.length;s<i;s++){r[0]=s;const{layoutGPU:i}=e.layout,n=this.bindingUtils.createBindGroupIndex(r,i);t.push(n)}i.indexesGPU=t}const h=this.renderer.getPixelRatio();for(let p=0,g=a.length;p<g;p++){const g=a[p];if(r.layers.test(g.layers)){const r=g.viewport;let a=n.currentPass,m=n.currentSets;const f=void 0!==n.bundleEncoders;if(f){a=n.bundleEncoders[p],m=n.bundleSets[p]}if(r&&!f&&a.setViewport(Math.floor(r.x*h),Math.floor(r.y*h),Math.floor(r.width*h),Math.floor(r.height*h),s.viewportValue.minDepth,s.viewportValue.maxDepth),c&&i.indexesGPU){const e=l.indexOf(c);a.setBindGroup(e,i.indexesGPU[p]),m.bindingGroups[e]=c.id}this._draw(e,t,n,o,l,d,u,a,m)}}}else if(n.currentPass){if(void 0!==n.occlusionQuerySet){const e=n.lastOcclusionObject;e!==r&&(null!==e&&!0===e.occlusionTest&&(n.currentPass.endOcclusionQuery(),n.occlusionQueryIndex++),!0===r.occlusionTest&&(n.currentPass.beginOcclusionQuery(n.occlusionQueryIndex),n.occlusionQueryObjects[n.occlusionQueryIndex]=r),n.lastOcclusionObject=r)}this._draw(e,t,n,o,l,d,u,n.currentPass,n.currentSets)}}needsRenderUpdate(e){const t=this.get(e),{object:r,material:s}=e,i=this.utils,n=i.getSampleCountRenderContext(e.context),a=i.getCurrentColorSpace(e.context),o=i.getCurrentColorFormat(e.context),u=i.getCurrentDepthStencilFormat(e.context),l=i.getPrimitiveTopology(r,s);let d=!1;return t.material===s&&t.materialVersion===s.version&&t.transparent===s.transparent&&t.blending===s.blending&&t.premultipliedAlpha===s.premultipliedAlpha&&t.blendSrc===s.blendSrc&&t.blendDst===s.blendDst&&t.blendEquation===s.blendEquation&&t.blendSrcAlpha===s.blendSrcAlpha&&t.blendDstAlpha===s.blendDstAlpha&&t.blendEquationAlpha===s.blendEquationAlpha&&t.colorWrite===s.colorWrite&&t.depthWrite===s.depthWrite&&t.depthTest===s.depthTest&&t.depthFunc===s.depthFunc&&t.stencilWrite===s.stencilWrite&&t.stencilFunc===s.stencilFunc&&t.stencilFail===s.stencilFail&&t.stencilZFail===s.stencilZFail&&t.stencilZPass===s.stencilZPass&&t.stencilFuncMask===s.stencilFuncMask&&t.stencilWriteMask===s.stencilWriteMask&&t.side===s.side&&t.alphaToCoverage===s.alphaToCoverage&&t.sampleCount===n&&t.colorSpace===a&&t.colorFormat===o&&t.depthStencilFormat===u&&t.primitiveTopology===l&&t.clippingContextCacheKey===e.clippingContextCacheKey||(t.material=s,t.materialVersion=s.version,t.transparent=s.transparent,t.blending=s.blending,t.premultipliedAlpha=s.premultipliedAlpha,t.blendSrc=s.blendSrc,t.blendDst=s.blendDst,t.blendEquation=s.blendEquation,t.blendSrcAlpha=s.blendSrcAlpha,t.blendDstAlpha=s.blendDstAlpha,t.blendEquationAlpha=s.blendEquationAlpha,t.colorWrite=s.colorWrite,t.depthWrite=s.depthWrite,t.depthTest=s.depthTest,t.depthFunc=s.depthFunc,t.stencilWrite=s.stencilWrite,t.stencilFunc=s.stencilFunc,t.stencilFail=s.stencilFail,t.stencilZFail=s.stencilZFail,t.stencilZPass=s.stencilZPass,t.stencilFuncMask=s.stencilFuncMask,t.stencilWriteMask=s.stencilWriteMask,t.side=s.side,t.alphaToCoverage=s.alphaToCoverage,t.sampleCount=n,t.colorSpace=a,t.colorFormat=o,t.depthStencilFormat=u,t.primitiveTopology=l,t.clippingContextCacheKey=e.clippingContextCacheKey,d=!0),d}getRenderCacheKey(e){const{object:t,material:r}=e,s=this.utils,i=e.context,n=t.isMesh&&t.matrixWorld.determinant()<0;return[r.transparent,r.blending,r.premultipliedAlpha,r.blendSrc,r.blendDst,r.blendEquation,r.blendSrcAlpha,r.blendDstAlpha,r.blendEquationAlpha,r.colorWrite,r.depthWrite,r.depthTest,r.depthFunc,r.stencilWrite,r.stencilFunc,r.stencilFail,r.stencilZFail,r.stencilZPass,r.stencilFuncMask,r.stencilWriteMask,r.side,n,s.getSampleCountRenderContext(i),s.getCurrentColorSpace(i),s.getCurrentColorFormat(i),s.getCurrentDepthStencilFormat(i),s.getPrimitiveTopology(t,r),e.getGeometryCacheKey(),e.clippingContextCacheKey].join()}updateSampler(e,t){return this.textureUtils.updateSampler(e,t)}createDefaultTexture(e){return this.textureUtils.createDefaultTexture(e)}createTexture(e,t){this.textureUtils.createTexture(e,t)}updateTexture(e,t){this.textureUtils.updateTexture(e,t)}generateMipmaps(e){this.textureUtils.generateMipmaps(e)}destroyTexture(e,t=!1){this.textureUtils.destroyTexture(e,t)}async copyTextureToBuffer(e,t,r,s,i,n){return this.textureUtils.copyTextureToBuffer(e,t,r,s,i,n)}initTimestampQuery(e,t,r){if(!this.trackTimestamp)return;this.timestampQueryPool[e]||(this.timestampQueryPool[e]=new hB(this.device,e,2048));const s=this.timestampQueryPool[e],i=s.allocateQueriesForContext(t);TB.querySet=s.querySet,TB.beginningOfPassWriteIndex=i,TB.endOfPassWriteIndex=i+1,r.timestampWrites=TB}createNodeBuilder(e,t){return new WM(e,t)}createProgram(e){const t=this.get(e);xB.label=e.stage+(""!==e.name?`_${e.name}`:""),xB.code=e.code,t.module={module:this.device.createShaderModule(xB),entryPoint:"main"},xB.reset()}destroyProgram(e){this.delete(e)}createRenderPipeline(e,t){this.pipelineUtils.createRenderPipeline(e,t)}createComputePipeline(e,t){this.pipelineUtils.createComputePipeline(e,t)}beginBundle(e){const t=this.get(e);t._currentPass=t.currentPass,t._currentSets=t.currentSets,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.currentPass=this.pipelineUtils.createBundleEncoder(e)}finishBundle(e,t){const r=this.get(e),s=r.currentPass.finish();this.get(t).bundleGPU=s,r.currentSets=r._currentSets,r.currentPass=r._currentPass}addBundle(e,t){this.get(e).renderBundles.push(this.get(t).bundleGPU)}createUniformBuffer(e){const t=this.get(e);if(void 0===t.buffer){const r=e.byteLength,s=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,i=[];e.visibility&EE.VERTEX&&i.push("vertex"),e.visibility&EE.FRAGMENT&&i.push("fragment"),e.visibility&EE.COMPUTE&&i.push("compute");const n=`(${i.join(",")})`;mB.label=`bindingBuffer${e.id}_${e.name}_${n}`,mB.size=r,mB.usage=s;const a=this.device.createBuffer(mB);mB.reset(),t.buffer=a}}destroyUniformBuffer(e){this.get(e).buffer.destroy(),this.delete(e)}createBindings(e,t,r,s){this.bindingUtils.createBindings(e,t,r,s)}updateBindings(e,t,r,s){this.bindingUtils.createBindings(e,t,r,s)}updateBinding(e){this.bindingUtils.updateBinding(e)}deleteBindGroupData(e){this.bindingUtils.deleteBindGroupData(e)}createIndexAttribute(e){let t=GPUBufferUsage.INDEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST;(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)&&(t|=GPUBufferUsage.STORAGE),this.attributeUtils.createAttribute(e,t)}createAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createStorageAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.STORAGE|GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createIndirectStorageAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.STORAGE|GPUBufferUsage.INDIRECT|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}updateAttribute(e){this.attributeUtils.updateAttribute(e)}destroyAttribute(e){this.attributeUtils.destroyAttribute(e)}updateSize(){this.delete(this.renderer.getCanvasTarget())}hasFeature(e){return void 0!==DC[e]&&(e=DC[e]),this.device.features.has(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){let a=0,o=0,u=0,l=0,d=0,c=0,h=e.image.width,p=e.image.height,g=1;null!==r&&(!0===r.isBox3?(l=r.min.x,d=r.min.y,c=r.min.z,h=r.max.x-r.min.x,p=r.max.y-r.min.y,g=r.max.z-r.min.z):(l=r.min.x,d=r.min.y,h=r.max.x-r.min.x,p=r.max.y-r.min.y,g=1)),null!==s&&(a=s.x,o=s.y,u=s.z||0),fB.label="copyTextureToTexture_"+e.id+"_"+t.id;const m=this.device.createCommandEncoder(fB);fB.reset();const f=this.get(e).texture,y=this.get(t).texture;_B.texture=f,_B.mipLevel=i,_B.origin.x=l,_B.origin.y=d,_B.origin.z=c,vB.texture=y,vB.mipLevel=n,vB.origin.x=a,vB.origin.y=o,vB.origin.z=u,SB.width=h,SB.height=p,SB.depthOrArrayLayers=g,m.copyTextureToTexture(_B,vB,SB),_B.reset(),vB.reset(),SB.reset(),zC(this.device,m.finish()),0===n&&t.generateMipmaps&&this.textureUtils.generateMipmaps(t)}copyFramebufferToTexture(e,t,r){const s=this.get(t);let i=null;i=t.renderTarget?e.isDepthTexture?this.get(t.depthTexture).texture:this.get(t.textures[0]).texture:e.isDepthTexture?this.textureUtils.getDepthBuffer(t.depth,t.stencil):this.context.getCurrentTexture();const n=this.get(e).texture;if(i.format!==n.format)return void o("WebGPUBackend: copyFramebufferToTexture: Source and destination formats do not match.",i.format,n.format);let a;if(s.currentPass?(s.currentPass.end(),a=s.encoder):(fB.label="copyFramebufferToTexture_"+e.id,a=this.device.createCommandEncoder(fB),fB.reset()),_B.texture=i,_B.origin.x=r.x,_B.origin.y=r.y,vB.texture=n,SB.width=r.z,SB.height=r.w,a.copyTextureToTexture(_B,vB,SB),_B.reset(),vB.reset(),SB.reset(),e.generateMipmaps&&this.textureUtils.generateMipmaps(e,a),s.currentPass){const{descriptor:e}=s;for(let t=0;t<e.colorAttachments.length;t++)e.colorAttachments[t].loadOp=DE;t.depth&&(e.depthStencilAttachment.depthLoadOp=DE),t.stencil&&(e.depthStencilAttachment.stencilLoadOp=DE),s.currentPass=a.beginRenderPass(e),s.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.viewport&&this.updateViewport(t),t.scissor&&this.updateScissor(t)}else zC(this.device,a.finish())}hasCompatibility(e){return void 0!==this._compatibility[e]?this._compatibility[e]:super.hasCompatibility(e)}dispose(){if(this.bindingUtils.dispose(),this.textureUtils.dispose(),this.occludedResolveCache){for(const e of this.occludedResolveCache.values())e.destroy();this.occludedResolveCache.clear()}if(this.timestampQueryPool)for(const e of Object.values(this.timestampQueryPool))null!==e&&e.dispose();void 0===this.parameters.device&&null!==this.device&&this.device.destroy()}}class EB extends ms{constructor(e,t,r,s,i,n){super(e,t,r,s,i,n),this.iesMap=null}copy(e,t){return super.copy(e,t),this.iesMap=e.iesMap,this}}class wB extends ms{constructor(e,t,r,s,i,n){super(e,t,r,s,i,n),this.aspect=null}copy(e,t){return super.copy(e,t),this.aspect=e.aspect,this}}class AB extends nR{constructor(){super(),this.addLight(qv,fs),this.addLight(LS,ys),this.addLight($S,bs),this.addLight(PS,ms),this.addLight(BS,xs),this.addLight(FS,Ts),this.addLight(DS,_s),this.addLight(US,EB),this.addLight(OS,wB),this.addToneMapping(FT,vs),this.addToneMapping(PT,Ns),this.addToneMapping(UT,Ss),this.addToneMapping(IT,Rs),this.addToneMapping(GT,Es),this.addToneMapping($T,ws)}}class CB extends CR{constructor(e={}){let t;e.forceWebGL?t=_E:(t=RB,e.getFallback=()=>(d("WebGPURenderer: WebGPU is not available, running under WebGL2 backend."),new _E(e)));super(new t(e),e),this.library=new AB,this.isWebGPURenderer=!0}}class MB extends As{constructor(){super(),this.isBundleGroup=!0,this.type="BundleGroup",this.static=!0,this.version=0}set needsUpdate(e){!0===e&&this.version++}}class BB{constructor(e,t=Ln(0,0,1,1)){this.renderer=e,this.outputNode=t,this.outputColorTransform=!0,this.needsUpdate=!0;const r=new Ug;r.name="RenderPipeline",this._quadMesh=new Dx(r),this._quadMesh.name="Render Pipeline",this._context=null,this._toneMapping=e.toneMapping,this._outputColorSpace=e.outputColorSpace}render(){const e=this.renderer;this._update(),null!==this._context.onBeforeRenderPipeline&&this._context.onBeforeRenderPipeline();const t=e.toneMapping,r=e.outputColorSpace;e.toneMapping=m,e.outputColorSpace=p.workingColorSpace;const s=e.xr.enabled;e.xr.enabled=!1,this._quadMesh.render(e),e.xr.enabled=s,e.toneMapping=t,e.outputColorSpace=r,null!==this._context.onAfterRenderPipeline&&this._context.onAfterRenderPipeline()}get context(){return this._context}dispose(){this._quadMesh.material.dispose()}_update(){if(this._toneMapping!==this.renderer.toneMapping&&(this._toneMapping=this.renderer.toneMapping,this.needsUpdate=!0),this._outputColorSpace!==this.renderer.outputColorSpace&&(this._outputColorSpace=this.renderer.outputColorSpace,this.needsUpdate=!0),!0===this.needsUpdate){const e=this._toneMapping,t=this._outputColorSpace,r={renderPipeline:this,onBeforeRenderPipeline:null,onAfterRenderPipeline:null};let s=this.outputNode;!0===this.outputColorTransform?(s=s.context(r),s=Il(s,e,t)):(r.toneMapping=e,r.outputColorSpace=t,s=s.context(r)),this._context=r,this._quadMesh.material.fragmentNode=s,this._quadMesh.material.needsUpdate=!0,this.needsUpdate=!1}}async renderAsync(){v('RenderPipeline: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await this.renderer.init(),this.render()}}class LB extends BB{constructor(e,t){v('PostProcessing: "PostProcessing" has been renamed to "RenderPipeline". Please update your code to use "THREE.RenderPipeline" instead.'),super(e,t)}}class FB extends u{constructor(e){super(),this.name="",this.buffer=null,this.maxByteLength=e,this.isReadbackBuffer=!0,this._mapped=!1}release(){this.dispatchEvent({type:"release"})}dispose(){this.dispatchEvent({type:"dispose"})}}class PB extends N{constructor(e=1,t=1){super(),this.image={width:e,height:t},this.magFilter=le,this.minFilter=le,this.isStorageTexture=!0,this.mipmapsAutoUpdate=!0}setSize(e,t){this.image.width===e&&this.image.height===t||(this.image.width=e,this.image.height=t,this.dispose())}}class UB extends qx{constructor(e,t){super(e,t,Uint32Array),this.isIndirectStorageBufferAttribute=!0}}class DB extends Cs{constructor(e){super(e),this.textures={},this.nodes={}}load(e,t,r,s){const i=new Ms(this.manager);i.setPath(this.path),i.setRequestHeader(this.requestHeader),i.setWithCredentials(this.withCredentials),i.load(e,r=>{try{t(this.parse(JSON.parse(r)))}catch(t){s?s(t):o(t),this.manager.itemError(e)}},r,s)}parseNodes(e){const t={};if(void 0!==e){for(const r of e){const{uuid:e,type:s}=r;t[e]=this.createNodeFromType(s),t[e].uuid=e}const r={nodes:t,textures:this.textures};for(const s of e){s.meta=r;t[s.uuid].deserialize(s),delete s.meta}}return t}parse(e){const t=this.createNodeFromType(e.type);t.uuid=e.uuid;const r={nodes:this.parseNodes(e.nodes),textures:this.textures};return e.meta=r,t.deserialize(e),delete e.meta,t}setTextures(e){return this.textures=e,this}setNodes(e){return this.nodes=e,this}createNodeFromType(e){return void 0===this.nodes[e]?(o("NodeLoader: Node type not found:",e),Tn()):new this.nodes[e]}}class IB extends Bs{constructor(e){super(e),this.nodes={},this.nodeMaterials={}}parse(e){const t=super.parse(e),r=this.nodes,s=e.inputNodes;for(const e in s){const i=s[e];t[e]=r[i]}return t}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}createMaterialFromType(e){const t=this.nodeMaterials[e];return void 0!==t?new t:super.createMaterialFromType(e)}}class OB extends Ls{constructor(e){super(e),this.nodes={},this.nodeMaterials={},this._nodesJSON=null}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}parse(e,t){this._nodesJSON=e.nodes;const r=super.parse(e,t);return this._nodesJSON=null,r}async parseAsync(e){this._nodesJSON=e.nodes;const t=await super.parseAsync(e);return this._nodesJSON=null,t}parseNodes(e,t){if(void 0!==e){const r=new DB;return r.setNodes(this.nodes),r.setTextures(t),r.parseNodes(e)}return{}}parseMaterials(e,t){const r={};if(void 0!==e){const s=this.parseNodes(this._nodesJSON,t),i=new IB;i.setTextures(t),i.setNodes(s),i.setNodeMaterials(this.nodeMaterials);for(let t=0,s=e.length;t<s;t++){const s=e[t];r[s.uuid]=i.parse(s)}}return r}}class VB extends As{constructor(){super(),this.isClippingGroup=!0,this.clippingPlanes=[],this.enabled=!0,this.clipIntersection=!1,this.clipShadows=!1}}export{Rs as ACESFilmicToneMapping,ng as AONode,it as AddEquation,pe as AddOperation,Qt as AdditiveBlending,Es as AgXToneMapping,$e as AlphaFormat,jr as AlwaysCompare,ir as AlwaysDepth,ss as AlwaysStencilFunc,xs as AmbientLight,BS as AmbientLightNode,Wv as AnalyticLightNode,vt as ArrayCamera,gi as ArrayElementNode,Ca as ArrayNode,Ba as AssignNode,p_ as AtomicFunctionNode,zl as AttributeNode,F as BackSide,l_ as BarrierNode,nm as BasicEnvironmentNode,am as BasicLightMapNode,gt as BasicShadowMap,Ob as BitcastNode,$b as BitcountNode,Lb as BlendMode,ae as BoxGeometry,Ae as BufferAttribute,ll as BufferAttributeNode,ve as BufferGeometry,rd as BufferNode,od as BuiltinNode,Ph as BumpMapNode,MB as BundleGroup,wl as BypassNode,Oe as ByteType,TR as CanvasTarget,Ss as CineonToneMapping,_e as ClampToEdgeWrapping,VB as ClippingGroup,Cg as ClippingNode,zT as CodeNode,e as Color,p as ColorManagement,Qu as ColorSpaceNode,E as Compatibility,r_ as ComputeBuiltinNode,_l as ComputeNode,Cu as ConditionalNode,Si as ConstNode,Bu as ContextNode,mi as ConvertNode,de as CubeCamera,mt as CubeDepthTexture,tm as CubeMapNode,D as CubeReflectionMapping,I as CubeRefractionMapping,U as CubeTexture,jc as CubeTextureNode,we as CubeUVReflectionMapping,qt as CullFaceBack,Xt as CullFaceFront,jt as CullFaceNone,Rt as CustomBlending,wt as CylinderGeometry,X as DataArrayTexture,xe as DataTexture,Ol as DebugNode,os as DecrementStencilOp,ns as DecrementWrapStencilOp,He as DepthFormat,je as DepthStencilFormat,Z as DepthTexture,ys as DirectionalLight,LS as DirectionalLightNode,P as DoubleSide,Gt as DstAlphaFactor,$t as DstColorFactor,x as DynamicDrawUsage,uy as EnvironmentNode,Hr as EqualCompare,tr as EqualDepth,es as EqualStencilFunc,ce as EquirectangularReflectionMapping,he as EquirectangularRefractionMapping,u as EventDispatcher,Np as EventNode,Bl as ExpressionNode,Ms as FileLoader,_i as FlipNode,xt as Float16BufferAttribute,lt as Float32BufferAttribute,Y as FloatType,K as FramebufferTexture,Tc as FrontFacingNode,St as FrontSide,Lt as Frustum,Bt as FrustumArray,Fa as FunctionCallNode,HT as FunctionNode,nx as FunctionOverloadingNode,YS as GLSLNodeParser,C as GreaterCompare,Jt as GreaterDepth,M as GreaterEqualCompare,er as GreaterEqualDepth,Jr as GreaterEqualStencilFunc,Zr as GreaterStencilFunc,As as Group,Te as HalfFloatType,Ts as HemisphereLight,FS as HemisphereLightNode,EB as IESSpotLight,US as IESSpotLightNode,us as IncrementStencilOp,as as IncrementWrapStencilOp,gl as IndexNode,UB as IndirectStorageBufferAttribute,vi as InputNode,kl as InspectorBase,Gl as InspectorNode,j as InstancedBufferAttribute,q as InstancedInterleavedBuffer,R as IntType,b as InterleavedBuffer,y as InterleavedBufferAttribute,ls as InvertStencilOp,ug as IrradianceNode,Sl as IsolateNode,yi as JoinNode,hs as KeepStencilOp,w as LessCompare,sr as LessDepth,A as LessEqualCompare,rr as LessEqualDepth,ts as LessEqualStencilFunc,rs as LessStencilFunc,_s as LightProbe,DS as LightProbeNode,uR as Lighting,ag as LightingContextNode,om as LightingModel,ig as LightingNode,rv as LightsNode,Yg as Line2NodeMaterial,ee as LineBasicMaterial,Ig as LineBasicNodeMaterial,te as LineDashedMaterial,Vg as LineDashedNodeMaterial,le as LinearFilter,ot as LinearMipMapLinearFilter,Q as LinearMipmapLinearFilter,yt as LinearMipmapNearestFilter,Re as LinearSRGBColorSpace,vs as LinearToneMapping,Xr as LinearTransfer,Cs as Loader,Yp as LoopNode,Db as MRTNode,J as Material,nt as MaterialBlending,Bs as MaterialLoader,Ih as MaterialNode,Jc as MaterialReferenceNode,uo as MathNode,l as MathUtils,i as Matrix2,n as Matrix3,a as Matrix4,ps as MaxEquation,Xl as MaxMipLevelNode,Ri as MemberNode,oe as Mesh,fe as MeshBasicMaterial,dm as MeshBasicNodeMaterial,ye as MeshLambertMaterial,ym as MeshLambertNodeMaterial,Le as MeshMatcapMaterial,Ny as MeshMatcapNodeMaterial,se as MeshNormalMaterial,Qg as MeshNormalNodeMaterial,be as MeshPhongMaterial,xm as MeshPhongNodeMaterial,Me as MeshPhysicalMaterial,gy as MeshPhysicalNodeMaterial,fy as MeshSSSNodeMaterial,Ce as MeshStandardMaterial,hy as MeshStandardNodeMaterial,Be as MeshToonMaterial,Ty as MeshToonNodeMaterial,gs as MinEquation,Gr as MirroredRepeatWrapping,ge as MixOperation,Jd as ModelNode,Yt as MultiplyBlending,me as MultiplyOperation,B as NearestFilter,bt as NearestMipmapLinearFilter,zr as NearestMipmapNearestFilter,ws as NeutralToneMapping,qr as NeverCompare,nr as NeverDepth,is as NeverStencilFunc,re as NoBlending,T as NoColorSpace,V as NoNormalPacking,m as NoToneMapping,pi as Node,ai as NodeAccess,KN as NodeAttribute,AS as NodeBuilder,rS as NodeCache,eS as NodeCode,Kl as NodeError,CS as NodeFrame,MS as NodeFunctionInput,DB as NodeLoader,Ug as NodeMaterial,IB as NodeMaterialLoader,Is as NodeMaterialObserver,OB as NodeObjectLoader,si as NodeShaderStage,ni as NodeType,QN as NodeUniform,ii as NodeUpdateType,ri as NodeUtils,ZN as NodeVar,JN as NodeVarying,tt as NormalBlending,G as NormalGAPacking,Mh as NormalMapNode,k as NormalRGPacking,Wr as NotEqualCompare,Zt as NotEqualDepth,Qr as NotEqualStencilFunc,at as Object3D,jd as Object3DNode,Ls as ObjectLoader,$ as ObjectSpaceNormalMap,Ht as OneFactor,Ot as OneMinusDstAlphaFactor,Vt as OneMinusDstColorFactor,st as OneMinusSrcAlphaFactor,kt as OneMinusSrcColorFactor,Da as OperatorNode,Ne as OrthographicCamera,Mb as OutputStructNode,ct as PCFShadowMap,ht as PCFSoftShadowMap,Zf as PMREMGenerator,ny as PMREMNode,Xb as PackFloatNode,Rb as ParameterNode,BT as PassNode,Se as PerspectiveCamera,mm as PhongLightingModel,gf as PhysicalLightingModel,ut as Plane,Nt as PlaneGeometry,fs as PointLight,qv as PointLightNode,$v as PointShadowNode,Xx as PointUVNode,Pe as PointsMaterial,My as PointsNodeMaterial,LB as PostProcessing,wB as ProjectorLight,OS as ProjectorLightNode,Gn as PropertyNode,Dx as QuadMesh,At as Quaternion,br as R11_EAC_Format,W as RED_GREEN_RGTC2_Format,Or as RED_RGTC1_Format,_t as REVISION,H as RG11_EAC_Format,Ee as RGBAFormat,Ft as RGBAIntegerFormat,Lr as RGBA_ASTC_10x10_Format,Cr as RGBA_ASTC_10x5_Format,Mr as RGBA_ASTC_10x6_Format,Br as RGBA_ASTC_10x8_Format,Fr as RGBA_ASTC_12x10_Format,Pr as RGBA_ASTC_12x12_Format,_r as RGBA_ASTC_4x4_Format,vr as RGBA_ASTC_5x4_Format,Nr as RGBA_ASTC_5x5_Format,Sr as RGBA_ASTC_6x5_Format,Rr as RGBA_ASTC_6x6_Format,Er as RGBA_ASTC_8x5_Format,wr as RGBA_ASTC_8x6_Format,Ar as RGBA_ASTC_8x8_Format,Ur as RGBA_BPTC_Format,yr as RGBA_ETC2_EAC_Format,gr as RGBA_PVRTC_2BPPV1_Format,pr as RGBA_PVRTC_4BPPV1_Format,ur as RGBA_S3TC_DXT1_Format,lr as RGBA_S3TC_DXT3_Format,dr as RGBA_S3TC_DXT5_Format,Xe as RGBFormat,Ye as RGBIntegerFormat,Dr as RGB_BPTC_SIGNED_Format,Ir as RGB_BPTC_UNSIGNED_Format,mr as RGB_ETC1_Format,fr as RGB_ETC2_Format,hr as RGB_PVRTC_2BPPV1_Format,cr as RGB_PVRTC_4BPPV1_Format,or as RGB_S3TC_DXT1_Format,z as RGFormat,qe as RGIntegerFormat,Ox as RTTNode,e_ as RangeNode,FB as ReadbackBuffer,bs as RectAreaLight,$S as RectAreaLightNode,ze as RedFormat,We as RedIntegerFormat,tl as ReferenceBaseNode,Kc as ReferenceNode,Bx as ReflectorNode,Ns as ReinhardToneMapping,Dl as RenderOutputNode,BB as RenderPipeline,ne as RenderTarget,rl as RendererReferenceNode,pv as RendererUtils,$r as RepeatWrapping,ds as ReplaceStencilOp,Dt as ReverseSubtractEquation,Sy as RotateNode,xr as SIGNED_R11_EAC_Format,kr as SIGNED_RED_GREEN_RGTC2_Format,Vr as SIGNED_RED_RGTC1_Format,Tr as SIGNED_RG11_EAC_Format,ie as SRGBColorSpace,g as SRGBTransfer,Hx as SampleNode,ue as Scene,cd as ScreenNode,Ti as SetNode,sv as ShadowBaseNode,Ue as ShadowMaterial,Cv as ShadowNode,Py as ShadowNodeMaterial,ke as ShortType,L as Sphere,ft as SphereGeometry,xi as SplitNode,ms as SpotLight,PS as SpotLightNode,Fe as SpriteMaterial,wy as SpriteNodeMaterial,rt as SrcAlphaFactor,zt as SrcAlphaSaturateFactor,Wt as SrcColorFactor,Eb as StackNode,Vs as StackTrace,f as StaticDrawUsage,wp as StorageArrayElementNode,qx as StorageBufferAttribute,Cp as StorageBufferNode,jx as StorageInstancedBufferAttribute,PB as StorageTexture,rT as StorageTexture3DNode,eT as StorageTextureNode,Cb as StructNode,Ab as StructTypeNode,zu as SubBuildNode,f_ as SubgroupFunctionNode,It as SubtractEquation,Kt as SubtractiveBlending,WN as TSL,O as TangentSpaceNormalMap,fi as TempNode,N as Texture,nT as Texture3DNode,Zl as TextureNode,jl as TextureSizeNode,Pt as TimestampQuery,il as ToneMappingNode,LT as ToonOutlinePassNode,dt as UVMapping,Ie as Uint16BufferAttribute,De as Uint32BufferAttribute,nd as UniformArrayNode,_a as UniformGroupNode,wa as UniformNode,Zb as UnpackFloatNode,Ve as UnsignedByteType,et as UnsignedInt101111Type,Ze as UnsignedInt248Type,Je as UnsignedInt5999Type,S as UnsignedIntType,Ke as UnsignedShort4444Type,Qe as UnsignedShort5551Type,Ge as UnsignedShortType,oT as UserDataNode,pt as VSMShadowMap,Ou as VarNode,Hu as VaryingNode,t as Vector2,r as Vector3,s as Vector4,lT as VelocityNode,Fg as VertexColorNode,bg as ViewportDepthNode,fg as ViewportDepthTextureNode,ET as ViewportSharedTextureNode,dg as ViewportTextureNode,Vy as VolumeNodeMaterial,_E as WebGLBackend,c as WebGLCoordinateSystem,RB as WebGPUBackend,h as WebGPUCoordinateSystem,CB as WebGPURenderer,Ct as WebXRController,h_ as WorkgroupInfoNode,Et as ZeroFactor,cs as ZeroStencilOp,Ut as createCanvasElement,ui as defaultBuildStages,oi as defaultShaderStages,o as error,_ as log,li as shaderStages,di as vectorComponents,d as warn,v as warnOnce};
+import{Color as e,Vector2 as t,Vector3 as r,Vector4 as s,Matrix2 as i,Matrix3 as n,Matrix4 as a,error as o,EventDispatcher as u,MathUtils as l,warn as d,WebGLCoordinateSystem as c,WebGPUCoordinateSystem as h,ColorManagement as p,SRGBTransfer as g,NoToneMapping as m,StaticDrawUsage as f,InterleavedBufferAttribute as y,InterleavedBuffer as b,DynamicDrawUsage as x,NoColorSpace as T,log as _,warnOnce as v,Texture as N,UnsignedIntType as S,IntType as R,Compatibility as E,LessCompare as w,LessEqualCompare as A,GreaterCompare as C,GreaterEqualCompare as M,NearestFilter as B,Sphere as L,BackSide as F,DoubleSide as P,CubeTexture as U,CubeReflectionMapping as D,CubeRefractionMapping as I,TangentSpaceNormalMap as O,NoNormalPacking as V,NormalRGPacking as k,NormalGAPacking as G,ObjectSpaceNormalMap as $,RGFormat as z,RED_GREEN_RGTC2_Format as W,RG11_EAC_Format as H,InstancedBufferAttribute as j,InstancedInterleavedBuffer as q,DataArrayTexture as X,FloatType as Y,FramebufferTexture as Q,LinearMipmapLinearFilter as K,DepthTexture as Z,Material as J,LineBasicMaterial as ee,LineDashedMaterial as te,NoBlending as re,MeshNormalMaterial as se,SRGBColorSpace as ie,RenderTarget as ne,BoxGeometry as ae,Mesh as oe,Scene as ue,LinearFilter as le,CubeCamera as de,EquirectangularReflectionMapping as ce,EquirectangularRefractionMapping as he,AddOperation as pe,MixOperation as ge,MultiplyOperation as me,MeshBasicMaterial as fe,MeshLambertMaterial as ye,MeshPhongMaterial as be,DataTexture as xe,HalfFloatType as Te,ClampToEdgeWrapping as _e,BufferGeometry as ve,OrthographicCamera as Ne,PerspectiveCamera as Se,LinearSRGBColorSpace as Re,RGBAFormat as Ee,CubeUVReflectionMapping as we,BufferAttribute as Ae,MeshStandardMaterial as Ce,MeshPhysicalMaterial as Me,MeshToonMaterial as Be,MeshMatcapMaterial as Le,SpriteMaterial as Fe,PointsMaterial as Pe,ShadowMaterial as Ue,Uint32BufferAttribute as De,Uint16BufferAttribute as Ie,ByteType as Oe,UnsignedByteType as Ve,ShortType as ke,UnsignedShortType as Ge,AlphaFormat as $e,RedFormat as ze,RedIntegerFormat as We,DepthFormat as He,DepthStencilFormat as je,RGIntegerFormat as qe,RGBFormat as Xe,RGBIntegerFormat as Ye,UnsignedShort4444Type as Qe,UnsignedShort5551Type as Ke,UnsignedInt248Type as Ze,UnsignedInt5999Type as Je,UnsignedInt101111Type as et,NormalBlending as tt,SrcAlphaFactor as rt,OneMinusSrcAlphaFactor as st,AddEquation as it,MaterialBlending as nt,Object3D as at,LinearMipMapLinearFilter as ot,Plane as ut,Float32BufferAttribute as lt,UVMapping as dt,PCFShadowMap as ct,PCFSoftShadowMap as ht,VSMShadowMap as pt,BasicShadowMap as gt,CubeDepthTexture as mt,SphereGeometry as ft,LinearMipmapNearestFilter as yt,NearestMipmapLinearFilter as bt,Float16BufferAttribute as xt,yieldToMain as Tt,REVISION as _t,ArrayCamera as vt,PlaneGeometry as Nt,FrontSide as St,CustomBlending as Rt,ZeroFactor as Et,CylinderGeometry as wt,Quaternion as At,WebXRController as Ct,RAD2DEG as Mt,FrustumArray as Bt,Frustum as Lt,RGBAIntegerFormat as Ft,TimestampQuery as Pt,createCanvasElement as Ut,ReverseSubtractEquation as Dt,SubtractEquation as It,OneMinusDstAlphaFactor as Ot,OneMinusDstColorFactor as Vt,OneMinusSrcColorFactor as kt,DstAlphaFactor as Gt,DstColorFactor as $t,SrcAlphaSaturateFactor as zt,SrcColorFactor as Wt,OneFactor as Ht,CullFaceNone as jt,CullFaceBack as qt,CullFaceFront as Xt,MultiplyBlending as Yt,SubtractiveBlending as Qt,AdditiveBlending as Kt,NotEqualDepth as Zt,GreaterDepth as Jt,GreaterEqualDepth as er,EqualDepth as tr,LessEqualDepth as rr,LessDepth as sr,AlwaysDepth as ir,NeverDepth as nr,ReversedDepthFuncs as ar,RGB_S3TC_DXT1_Format as or,RGBA_S3TC_DXT1_Format as ur,RGBA_S3TC_DXT3_Format as lr,RGBA_S3TC_DXT5_Format as dr,RGB_PVRTC_4BPPV1_Format as cr,RGB_PVRTC_2BPPV1_Format as hr,RGBA_PVRTC_4BPPV1_Format as pr,RGBA_PVRTC_2BPPV1_Format as gr,RGB_ETC1_Format as mr,RGB_ETC2_Format as fr,RGBA_ETC2_EAC_Format as yr,R11_EAC_Format as br,SIGNED_R11_EAC_Format as xr,SIGNED_RG11_EAC_Format as Tr,RGBA_ASTC_4x4_Format as _r,RGBA_ASTC_5x4_Format as vr,RGBA_ASTC_5x5_Format as Nr,RGBA_ASTC_6x5_Format as Sr,RGBA_ASTC_6x6_Format as Rr,RGBA_ASTC_8x5_Format as Er,RGBA_ASTC_8x6_Format as wr,RGBA_ASTC_8x8_Format as Ar,RGBA_ASTC_10x5_Format as Cr,RGBA_ASTC_10x6_Format as Mr,RGBA_ASTC_10x8_Format as Br,RGBA_ASTC_10x10_Format as Lr,RGBA_ASTC_12x10_Format as Fr,RGBA_ASTC_12x12_Format as Pr,RGBA_BPTC_Format as Ur,RGB_BPTC_SIGNED_Format as Dr,RGB_BPTC_UNSIGNED_Format as Ir,RED_RGTC1_Format as Or,SIGNED_RED_RGTC1_Format as Vr,SIGNED_RED_GREEN_RGTC2_Format as kr,MirroredRepeatWrapping as Gr,RepeatWrapping as $r,NearestMipmapNearestFilter as zr,NotEqualCompare as Wr,EqualCompare as Hr,AlwaysCompare as jr,NeverCompare as qr,LinearTransfer as Xr,getByteLength as Yr,isTypedArray as Qr,NotEqualStencilFunc as Kr,GreaterStencilFunc as Zr,GreaterEqualStencilFunc as Jr,EqualStencilFunc as es,LessEqualStencilFunc as ts,LessStencilFunc as rs,AlwaysStencilFunc as ss,NeverStencilFunc as is,DecrementWrapStencilOp as ns,IncrementWrapStencilOp as as,DecrementStencilOp as os,IncrementStencilOp as us,InvertStencilOp as ls,ReplaceStencilOp as ds,ZeroStencilOp as cs,KeepStencilOp as hs,MaxEquation as ps,MinEquation as gs,SpotLight as ms,PointLight as fs,DirectionalLight as ys,RectAreaLight as bs,AmbientLight as xs,HemisphereLight as Ts,LightProbe as _s,LinearToneMapping as vs,ReinhardToneMapping as Ns,CineonToneMapping as Ss,ACESFilmicToneMapping as Rs,AgXToneMapping as Es,NeutralToneMapping as ws,Group as As,Loader as Cs,FileLoader as Ms,MaterialLoader as Bs,ObjectLoader as Ls}from"./three.core.min.js";export{AdditiveAnimationBlendMode,AnimationAction,AnimationClip,AnimationLoader,AnimationMixer,AnimationObjectGroup,AnimationUtils,ArcCurve,ArrowHelper,AttachedBindMode,Audio,AudioAnalyser,AudioContext,AudioListener,AudioLoader,AxesHelper,BasicDepthPacking,BatchedMesh,BezierInterpolant,Bone,BooleanKeyframeTrack,Box2,Box3,Box3Helper,BoxHelper,BufferGeometryLoader,Cache,Camera,CameraHelper,CanvasTexture,CapsuleGeometry,CatmullRomCurve3,CircleGeometry,Clock,ColorKeyframeTrack,CompressedArrayTexture,CompressedCubeTexture,CompressedTexture,CompressedTextureLoader,ConeGeometry,ConstantAlphaFactor,ConstantColorFactor,Controls,CubeTextureLoader,CubicBezierCurve,CubicBezierCurve3,CubicInterpolant,CullFaceFrontBack,Curve,CurvePath,CustomToneMapping,Cylindrical,Data3DTexture,DataTextureLoader,DataUtils,DefaultLoadingManager,DetachedBindMode,DirectionalLightHelper,DiscreteInterpolant,DodecahedronGeometry,DynamicCopyUsage,DynamicReadUsage,EdgesGeometry,EllipseCurve,Euler,ExternalTexture,ExtrudeGeometry,Fog,FogExp2,GLBufferAttribute,GLSL1,GLSL3,GridHelper,HTMLTexture,HemisphereLightHelper,IcosahedronGeometry,ImageBitmapLoader,ImageLoader,ImageUtils,InstancedBufferGeometry,InstancedMesh,Int16BufferAttribute,Int32BufferAttribute,Int8BufferAttribute,Interpolant,InterpolateBezier,InterpolateDiscrete,InterpolateLinear,InterpolateSmooth,InterpolationSamplingMode,InterpolationSamplingType,KeyframeTrack,LOD,LatheGeometry,Layers,Light,Line,Line3,LineCurve,LineCurve3,LineLoop,LineSegments,LinearInterpolant,LinearMipMapNearestFilter,LoaderUtils,LoadingManager,LoopOnce,LoopPingPong,LoopRepeat,MOUSE,MeshDepthMaterial,MeshDistanceMaterial,NearestMipMapLinearFilter,NearestMipMapNearestFilter,NormalAnimationBlendMode,NumberKeyframeTrack,OctahedronGeometry,OneMinusConstantAlphaFactor,OneMinusConstantColorFactor,Path,PlaneHelper,PointLightHelper,Points,PolarGridHelper,PolyhedronGeometry,PositionalAudio,PropertyBinding,PropertyMixer,QuadraticBezierCurve,QuadraticBezierCurve3,QuaternionKeyframeTrack,QuaternionLinearInterpolant,RGBADepthPacking,RGBDepthPacking,RGDepthPacking,RawShaderMaterial,Ray,Raycaster,RenderTarget3D,RingGeometry,ShaderMaterial,Shape,ShapeGeometry,ShapePath,ShapeUtils,Skeleton,SkeletonHelper,SkinnedMesh,Source,Spherical,SphericalHarmonics3,SplineCurve,SpotLightHelper,Sprite,StaticCopyUsage,StaticReadUsage,StereoCamera,StreamCopyUsage,StreamDrawUsage,StreamReadUsage,StringKeyframeTrack,TOUCH,TetrahedronGeometry,TextureLoader,TextureUtils,Timer,TorusGeometry,TorusKnotGeometry,Triangle,TriangleFanDrawMode,TriangleStripDrawMode,TrianglesDrawMode,TubeGeometry,Uint8BufferAttribute,Uint8ClampedBufferAttribute,Uniform,UniformsGroup,VectorKeyframeTrack,VideoFrameTexture,VideoTexture,WebGL3DRenderTarget,WebGLArrayRenderTarget,WebGLRenderTarget,WireframeGeometry,WrapAroundEnding,ZeroCurvatureEnding,ZeroSlopeEnding,getConsoleFunction,setConsoleFunction}from"./three.core.min.js";const Fs=["alphaMap","alphaTest","anisotropy","anisotropyMap","anisotropyRotation","aoMap","aoMapIntensity","attenuationColor","attenuationDistance","bumpMap","clearcoat","clearcoatMap","clearcoatNormalMap","clearcoatNormalScale","clearcoatRoughness","color","dispersion","displacementMap","emissive","emissiveIntensity","emissiveMap","envMap","envMapIntensity","gradientMap","ior","iridescence","iridescenceIOR","iridescenceMap","iridescenceThicknessMap","lightMap","lightMapIntensity","map","matcap","metalness","metalnessMap","normalMap","normalScale","opacity","roughness","roughnessMap","sheen","sheenColor","sheenColorMap","sheenRoughnessMap","shininess","specular","specularColor","specularColorMap","specularIntensity","specularIntensityMap","specularMap","thickness","transmission","transmissionMap"],Ps=new WeakMap,Us=new WeakMap,Ds=new WeakMap;class Is{constructor(e){this.renderObjects=new WeakMap,this.hasNode=this.containsNode(e),this.hasAnimation=!0===e.object.isSkinnedMesh,this.refreshUniforms=Fs,this.renderId=0}firstInitialization(e){return!1===this.renderObjects.has(e)&&(this.getRenderObjectData(e),!0)}needsVelocity(e){const t=e.getMRT();return null!==t&&t.has("velocity")}getRenderObjectData(e){let t=this.renderObjects.get(e);if(void 0===t){const{geometry:r,object:s}=e;if(t={geometryId:r.id,worldMatrix:s.matrixWorld.clone()},s.center&&(t.center=s.center.clone()),s.morphTargetInfluences&&(t.morphTargetInfluences=s.morphTargetInfluences.slice()),null!==e.bundle&&(t.version=e.bundle.version),e.material.transmission>0){const{width:r,height:s}=e.context;t.bufferWidth=r,t.bufferHeight=s}t.lights=this.getLightsData(e.lightsNode.getLights(),[]),this.renderObjects.set(e,t)}return t}getAttributesData(e){const t={};for(const r in e){const s=e[r];t[r]={id:s.isInterleavedBufferAttribute?s.data.uuid:s.id,version:s.isInterleavedBufferAttribute?s.data.version:s.version}}return t}containsNode(e){const t=e.material;for(const e in t)if(t[e]&&t[e].isNode)return!0;return!!(e.context.modelViewMatrix||e.context.modelNormalViewMatrix||e.context.getAO||e.context.getShadow)}getGeometryData(e){let t=Ds.get(e);return void 0===t&&(t={_renderId:-1,_equal:!1,attributes:this.getAttributesData(e.attributes),indexId:e.index?e.index.id:null,indexVersion:e.index?e.index.version:null,drawRange:{start:e.drawRange.start,count:e.drawRange.count}},Ds.set(e,t)),t}getMaterialData(e){let t=Us.get(e);if(void 0===t){t={_renderId:-1,_equal:!1};for(const r of this.refreshUniforms){const s=e[r];null!=s&&("object"==typeof s&&void 0!==s.clone?!0===s.isTexture?t[r]={id:s.id,version:0}:t[r]=s.clone():t[r]=s)}Us.set(e,t)}return t}equals(e,t,r){const{object:s,material:i,geometry:n}=e,a=this.getRenderObjectData(e);if(!0!==a.worldMatrix.equals(s.matrixWorld))return a.worldMatrix.copy(s.matrixWorld),!1;const o=this.getMaterialData(e.material);if(o._renderId!==r){o._renderId=r;for(const e in o){const t=o[e],r=i[e];if("_renderId"!==e&&"_equal"!==e)if(void 0!==t.equals){if(!1===t.equals(r))return t.copy(r),o._equal=!1,!1}else if(!0===r.isTexture){if(t.id!==r.id||t.version!==r.version)return t.id=r.id,t.version=r.version,o._equal=!1,!1}else if(t!==r)return o[e]=r,o._equal=!1,!1}if(o.transmission>0){const{width:t,height:r}=e.context;if(a.bufferWidth!==t||a.bufferHeight!==r)return a.bufferWidth=t,a.bufferHeight=r,o._equal=!1,!1}o._equal=!0}else if(!1===o._equal)return!1;if(a.geometryId!==n.id)return a.geometryId=n.id,!1;const u=this.getGeometryData(e.geometry);if(u._renderId!==r){u._renderId=r;const e=n.attributes,t=u.attributes;let s=0,i=0;for(const t in e)s++;for(const r in t){i++;const s=t[r],n=e[r];if(void 0===n)return delete t[r],u._equal=!1,!1;const a=n.isInterleavedBufferAttribute?n.data.uuid:n.id,o=n.isInterleavedBufferAttribute?n.data.version:n.version;if(s.id!==a||s.version!==o)return s.id=a,s.version=o,u._equal=!1,!1}if(i!==s)return u.attributes=this.getAttributesData(e),u._equal=!1,!1;const a=n.index,o=u.indexId,l=u.indexVersion,d=a?a.id:null,c=a?a.version:null;if(o!==d||l!==c)return u.indexId=d,u.indexVersion=c,u._equal=!1,!1;if(u.drawRange.start!==n.drawRange.start||u.drawRange.count!==n.drawRange.count)return u.drawRange.start=n.drawRange.start,u.drawRange.count=n.drawRange.count,u._equal=!1,!1;u._equal=!0}else if(!1===u._equal)return!1;if(a.morphTargetInfluences){let e=!1;for(let t=0;t<a.morphTargetInfluences.length;t++)a.morphTargetInfluences[t]!==s.morphTargetInfluences[t]&&(a.morphTargetInfluences[t]=s.morphTargetInfluences[t],e=!0);if(e)return!1}if(a.lights)for(let e=0;e<t.length;e++)if(a.lights[e].map!==t[e].map)return!1;return a.center&&!1===a.center.equals(s.center)?(a.center.copy(s.center),!0):(null!==e.bundle&&(a.version=e.bundle.version),!0)}getLightsData(e,t){t.length=0;for(const r of e)!0===r.isSpotLight&&null!==r.map&&t.push({map:r.map.version});return t}getLights(e,t){let r=Ps.get(e);return void 0===r&&(r={renderId:-1,lightsData:[]},Ps.set(e,r)),r.renderId===t||(r.renderId=t,this.getLightsData(e.getLights(),r.lightsData)),r.lightsData}needsRefresh(e,t){if(this.hasNode||this.hasAnimation||this.firstInitialization(e)||this.needsVelocity(t.renderer))return!0;const{renderId:r}=t;if(this.renderId!==r)return this.renderId=r,!0;const s=!0===e.object.static,i=null!==e.bundle&&!0===e.bundle.static&&this.getRenderObjectData(e).version===e.bundle.version;if(s||i)return!1;const n=this.getLights(e.lightsNode,r);return!0!==this.equals(e,n,r)}}const Os=[/^StackTrace\.js$/,/^TSLCore\.js$/,/^.*Node\.js$/,/^three\.webgpu.*\.js$/];class Vs{constructor(e=null){this.isStackTrace=!0,this.stack=function(e){const t=/(?:at\s+(.+?)\s+\()?(?:(.+?)@)?([^@\s()]+):(\d+):(\d+)/;return e.split("\n").map(e=>{const r=e.match(t);if(!r)return null;const 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Gs=e=>ks(e),$s=e=>ks(e),zs=(...e)=>ks(e),Ws=new Map([[1,"float"],[2,"vec2"],[3,"vec3"],[4,"vec4"],[9,"mat3"],[16,"mat4"]]),Hs=new WeakMap;function js(e){return Ws.get(e)}function qs(e){if(/[iu]?vec\d/.test(e))return e.startsWith("ivec")?Int32Array:e.startsWith("uvec")?Uint32Array:Float32Array;if(/mat\d/.test(e))return Float32Array;if(/float/.test(e))return Float32Array;if(/uint/.test(e))return Uint32Array;if(/int/.test(e))return Int32Array;throw new Error(`THREE.NodeUtils: Unsupported type: ${e}`)}function Xs(e){return/float|int|uint|bool/.test(e)?1:/vec2/.test(e)?2:/vec3/.test(e)?3:/vec4/.test(e)||/mat2/.test(e)?4:/mat3/.test(e)?9:/mat4/.test(e)?16:void o(`TSL: Unsupported type: ${e}`,new Vs)}function Ys(e){return/float|int|uint|bool/.test(e)?1:/vec2/.test(e)?2:/vec3/.test(e)?3:/vec4/.test(e)||/mat2/.test(e)?4:/mat3/.test(e)?12:/mat4/.test(e)?16:void o(`TSL: Unsupported type: ${e}`,new Vs)}function Qs(e){return/float|int|uint|bool/.test(e)?1:/vec2/.test(e)?2:/vec3/.test(e)||/vec4/.test(e)?4:/mat2/.test(e)?2:/mat3/.test(e)||/mat4/.test(e)?4:void o(`TSL: Unsupported type: ${e}`,new Vs)}function Ks(e){if(null==e)return null;const t=typeof e;return!0===e.isNode?"node":"number"===t?"float":"boolean"===t?"bool":"string"===t?"string":"function"===t?"shader":!0===e.isVector2?"vec2":!0===e.isVector3?"vec3":!0===e.isVector4?"vec4":!0===e.isMatrix2?"mat2":!0===e.isMatrix3?"mat3":!0===e.isMatrix4?"mat4":!0===e.isColor?"color":e instanceof ArrayBuffer?"ArrayBuffer":null}function Zs(o,...u){const l=o?o.slice(-4):void 0;return 1===u.length&&("vec2"===l?u=[u[0],u[0]]:"vec3"===l?u=[u[0],u[0],u[0]]:"vec4"===l&&(u=[u[0],u[0],u[0],u[0]])),"color"===o?new e(...u):"vec2"===l?new t(...u):"vec3"===l?new r(...u):"vec4"===l?new s(...u):"mat2"===l?new i(...u):"mat3"===l?new n(...u):"mat4"===l?new 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si={VERTEX:"vertex",FRAGMENT:"fragment"},ii={NONE:"none",FRAME:"frame",RENDER:"render",OBJECT:"object"},ni={BOOLEAN:"bool",INTEGER:"int",FLOAT:"float",VECTOR2:"vec2",VECTOR3:"vec3",VECTOR4:"vec4",MATRIX2:"mat2",MATRIX3:"mat3",MATRIX4:"mat4"},ai={READ_ONLY:"readOnly",WRITE_ONLY:"writeOnly",READ_WRITE:"readWrite"},oi=["fragment","vertex"],ui=["setup","analyze","generate"],li=[...oi,"compute"],di=["x","y","z","w"],ci={analyze:"setup",generate:"analyze"};let hi=0;class pi extends u{static get type(){return"Node"}constructor(e=null){super(),this.nodeType=e,this.updateType=ii.NONE,this.updateBeforeType=ii.NONE,this.updateAfterType=ii.NONE,this.version=0,this.name="",this.global=!1,this.parents=!1,this.isNode=!0,this._beforeNodes=null,this._cacheKey=null,this._uuid=null,this._cacheKeyVersion=0,this.id=hi++,this.stackTrace=null,!0===pi.captureStackTrace&&(this.stackTrace=new Vs)}set needsUpdate(e){!0===e&&this.version++}get uuid(){return null===this._uuid&&(this._uuid=l.generateUUID()),this._uuid}get type(){return this.constructor.type}onUpdate(e,t){return this.updateType=t,this.update=e.bind(this),this}onFrameUpdate(e){return this.onUpdate(e,ii.FRAME)}onRenderUpdate(e){return this.onUpdate(e,ii.RENDER)}onObjectUpdate(e){return this.onUpdate(e,ii.OBJECT)}onReference(e){return this.updateReference=e.bind(this),this}updateReference(){return this}isGlobal(){return this.global}*getChildren(){for(const{childNode:e}of this._getChildren())yield e}dispose(){this.dispatchEvent({type:"dispose"})}traverse(e){e(this);for(const t of this.getChildren())t.traverse(e)}_getChildren(e=new Set){const t=[];e.add(this);for(const r of Object.getOwnPropertyNames(this)){const s=this[r];if(!0!==r.startsWith("_")&&!e.has(s))if(!0===Array.isArray(s))for(let e=0;e<s.length;e++){const i=s[e];i&&!0===i.isNode&&t.push({property:r,index:e,childNode:i})}else if(s&&!0===s.isNode)t.push({property:r,childNode:s});else if(s&&Object.getPrototypeOf(s)===Object.prototype)for(const e in s){if(!0===e.startsWith("_"))continue;const i=s[e];i&&!0===i.isNode&&t.push({property:r,index:e,childNode:i})}}return t}getCacheKey(e=!1,t=null){if(!0===(e=e||this.version!==this._cacheKeyVersion)||null===this._cacheKey){null===t&&(t=new Set);const r=[];for(const{property:s,childNode:i}of this._getChildren(t))r.push(Gs(s.slice(0,-4)),i.getCacheKey(e,t));this._cacheKey=zs($s(r),this.customCacheKey()),this._cacheKeyVersion=this.version}return this._cacheKey}customCacheKey(){return this.id}getScope(){return this}getHash(){return String(this.id)}getUpdateType(){return this.updateType}getUpdateBeforeType(){return this.updateBeforeType}getUpdateAfterType(){return this.updateAfterType}getElementType(e){const t=this.getNodeType(e);return e.getElementType(t)}getMemberType(){return"void"}getNodeType(e,t=null){const r=e.getDataFromNode(this);let s;return null!==t?(r.typeFromOutput=r.typeFromOutput||{},s=r.typeFromOutput[t],void 0===s&&(s=this.generateNodeType(e,t),r.typeFromOutput[t]=s)):(s=r.type,void 0===s&&(s=this.generateNodeType(e),r.type=s)),s}generateNodeType(e,t=null){const r=e.getNodeProperties(this);return r.outputNode?r.outputNode.getNodeType(e,t):this.nodeType}getShared(e){const t=this.getHash(e);return e.getNodeFromHash(t)||this}getArrayCount(){return null}setup(e){const t=e.getNodeProperties(this);let r=0;for(const e of this.getChildren())t["node"+r++]=e;return t.outputNode||null}analyze(e,t=null){const r=e.increaseUsage(this);if(!0===this.parents){const r=e.getDataFromNode(this,"any");r.stages=r.stages||{},r.stages[e.shaderStage]=r.stages[e.shaderStage]||[],r.stages[e.shaderStage].push(t)}if(1===r){const t=e.getNodeProperties(this);for(const r of Object.values(t))r&&!0===r.isNode&&r.build(e,this)}}generate(e,t){const{outputNode:r}=e.getNodeProperties(this);if(r&&!0===r.isNode)return r.build(e,t)}updateBefore(){d("Abstract function.")}updateAfter(){d("Abstract function.")}update(){d("Abstract function.")}before(e){return null===this._beforeNodes&&(this._beforeNodes=[]),this._beforeNodes.push(e),this}build(e,t=null){const r=this.getShared(e);if(this!==r)return r.build(e,t);if(null!==this._beforeNodes){const r=this._beforeNodes;this._beforeNodes=null;for(const s of r)s.build(e,t);this._beforeNodes=r}const s=e.getDataFromNode(this);s.buildStages=s.buildStages||{},s.buildStages[e.buildStage]=!0;const i=ci[e.buildStage];if(i&&!0!==s.buildStages[i]){const t=e.getBuildStage();e.setBuildStage(i),this.build(e),e.setBuildStage(t)}e.addChain(this);let n=null;const a=e.getBuildStage();if("setup"===a){e.addNode(this),this.updateReference(e);const t=e.getNodeProperties(this);if(!0!==t.initialized){t.initialized=!0,t.outputNode=this.setup(e)||t.outputNode||null;for(const r of Object.values(t))if(r&&!0===r.isNode){if(!0===r.parents){const t=e.getNodeProperties(r);t.parents=t.parents||[],t.parents.push(this)}r.build(e)}e.addSequentialNode(this)}n=t.outputNode}else if("analyze"===a)this.analyze(e,t);else if("generate"===a){if(this.generate.length<2){const r=this.getNodeType(e),s=e.getDataFromNode(this);n=s.snippet,void 0===n?void 0===s.generated?(s.generated=!0,n=this.generate(e)||"",s.snippet=n):(d("Node: Recursion detected.",this),n="/* Recursion detected. */"):void 0!==s.flowCodes&&void 0!==e.context.nodeBlock&&e.addFlowCodeHierarchy(this,e.context.nodeBlock),n=e.format(n,r,t)}else n=this.generate(e,t)||"";""===n&&null!==t&&"void"!==t&&"OutputType"!==t&&(o(`TSL: Invalid generated code, expected a "${t}".`),n=e.generateConst(t))}return e.removeChain(this),n}getSerializeChildren(){return this._getChildren()}serialize(e){const t=this.getSerializeChildren(),r={};for(const{property:s,index:i,childNode:n}of t)void 0!==i?(void 0===r[s]&&(r[s]=Number.isInteger(i)?[]:{}),r[s][i]=n.toJSON(e.meta).uuid):r[s]=n.toJSON(e.meta).uuid;Object.keys(r).length>0&&(e.inputNodes=r)}deserialize(e){if(void 0!==e.inputNodes){const t=e.meta.nodes;for(const r in e.inputNodes)if(Array.isArray(e.inputNodes[r])){const s=[];for(const i of e.inputNodes[r])s.push(t[i]);this[r]=s}else if("object"==typeof e.inputNodes[r]){const s={};for(const i in e.inputNodes[r]){const n=e.inputNodes[r][i];s[i]=t[n]}this[r]=s}else{const s=e.inputNodes[r];this[r]=t[s]}}}toJSON(e){const{uuid:t,type:r}=this,s=void 0===e||"string"==typeof e;s&&(e={textures:{},images:{},nodes:{}});let i=e.nodes[t];function n(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(void 0===i&&(i={uuid:t,type:r,meta:e,metadata:{version:4.7,type:"Node",generator:"Node.toJSON"}},!0!==s&&(e.nodes[i.uuid]=i),this.serialize(i),delete i.meta),s){const t=n(e.textures),r=n(e.images),s=n(e.nodes);t.length>0&&(i.textures=t),r.length>0&&(i.images=r),s.length>0&&(i.nodes=s)}return i}}pi.captureStackTrace=!1;class gi extends pi{static get type(){return"ArrayElementNode"}constructor(e,t){super(),this.node=e,this.indexNode=t,this.isArrayElementNode=!0}generateNodeType(e){return this.node.getElementType(e)}getMemberType(e,t){return this.node.getMemberType(e,t)}generate(e){const t=this.indexNode.getNodeType(e);return`${this.node.build(e)}[ ${this.indexNode.build(e,!e.isVector(t)&&e.isInteger(t)?t:"uint")} ]`}}class mi extends pi{static get type(){return"ConvertNode"}constructor(e,t){super(),this.node=e,this.convertTo=t}generateNodeType(e){const t=this.node.getNodeType(e);let r=null;for(const s of this.convertTo.split("|"))null!==r&&e.getTypeLength(t)!==e.getTypeLength(s)||(r=s);return r}serialize(e){super.serialize(e),e.convertTo=this.convertTo}deserialize(e){super.deserialize(e),this.convertTo=e.convertTo}generate(e,t){const r=this.node,s=this.getNodeType(e),i=r.build(e,s);return e.format(i,s,t)}}class fi extends pi{static get type(){return"TempNode"}constructor(e=null){super(e),this.isTempNode=!0}hasDependencies(e){return e.getDataFromNode(this).usageCount>1}build(e,t){if("generate"===e.getBuildStage()){const r=e.getVectorType(this.getNodeType(e,t)),s=e.getDataFromNode(this);if(void 0!==s.propertyName)return e.format(s.propertyName,r,t);if("void"!==r&&"void"!==t&&this.hasDependencies(e)){const i=super.build(e,r),n=e.getVarFromNode(this,null,r),a=e.getPropertyName(n);return e.addLineFlowCode(`${a} = ${i}`,this),s.snippet=i,s.propertyName=a,e.format(s.propertyName,r,t)}}return super.build(e,t)}}class yi extends fi{static get type(){return"JoinNode"}constructor(e=[],t=null){super(t),this.nodes=e}generateNodeType(e){return null!==this.nodeType?e.getVectorType(this.nodeType):e.getTypeFromLength(this.nodes.reduce((t,r)=>t+e.getTypeLength(r.getNodeType(e)),0))}generate(e,t){const r=this.getNodeType(e),s=e.getTypeLength(r),i=this.nodes,n=e.getComponentType(r),a=[];let u=0;for(const t of i){if(u>=s){o(`TSL: Length of parameters exceeds maximum length of function '${r}()' type.`,this.stackTrace);break}let i,l=t.getNodeType(e),d=e.getTypeLength(l);u+d>s&&(o(`TSL: Length of '${r}()' data exceeds maximum length of output type.`,this.stackTrace),d=s-u,l=e.getTypeFromLength(d)),u+=d,i=t.build(e,l);if(e.getComponentType(l)!==n){const t=e.getTypeFromLength(d,n);i=e.format(i,l,t)}a.push(i)}const l=`${e.getType(r)}( ${a.join(", ")} )`;return e.format(l,r,t)}}const bi=di.join("");class xi extends pi{static get type(){return"SplitNode"}constructor(e,t="x"){super(),this.node=e,this.components=t,this.isSplitNode=!0}getVectorLength(){let e=this.components.length;for(const t of this.components)e=Math.max(di.indexOf(t)+1,e);return e}getComponentType(e){return e.getComponentType(this.node.getNodeType(e))}generateNodeType(e){return e.getTypeFromLength(this.components.length,this.getComponentType(e))}getScope(){return this.node.getScope()}generate(e,t){const r=this.node,s=e.getTypeLength(r.getNodeType(e));let i=null;if(s>1){let n=null;this.getVectorLength()>=s&&(n=e.getTypeFromLength(this.getVectorLength(),this.getComponentType(e)));const a=r.build(e,n);i=this.components.length===s&&this.components===bi.slice(0,this.components.length)?e.format(a,n,t):e.format(`${a}.${this.components}`,this.getNodeType(e),t)}else i=r.build(e,t);return i}serialize(e){super.serialize(e),e.components=this.components}deserialize(e){super.deserialize(e),this.components=e.components}}class Ti extends fi{static get type(){return"SetNode"}constructor(e,t,r){super(),this.sourceNode=e,this.components=t,this.targetNode=r}generateNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{sourceNode:t,components:r,targetNode:s}=this,i=this.getNodeType(e),n=e.getComponentType(s.getNodeType(e)),a=e.getTypeFromLength(r.length,n),o=s.build(e,a),u=t.build(e,i),l=e.getTypeLength(i),d=[];for(let e=0;e<l;e++){const t=di[e];t===r[0]?(d.push(o),e+=r.length-1):d.push(u+"."+t)}return`${e.getType(i)}( ${d.join(", ")} )`}}class _i extends fi{static get type(){return"FlipNode"}constructor(e,t){super(),this.sourceNode=e,this.components=t}generateNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{components:t,sourceNode:r}=this,s=this.getNodeType(e),i=r.build(e),n=e.getVarFromNode(this),a=e.getPropertyName(n);e.addLineFlowCode(a+" = "+i,this);const o=e.getTypeLength(s),u=[];let l=0;for(let e=0;e<o;e++){const r=di[e];r===t[l]?(u.push("1.0 - "+a+"."+r),l++):u.push(a+"."+r)}return`${e.getType(s)}( ${u.join(", ")} )`}}class vi extends pi{static get type(){return"InputNode"}constructor(e,t=null){super(t),this.isInputNode=!0,this.value=e,this.precision=null}generateNodeType(){return null===this.nodeType?Ks(this.value):this.nodeType}getInputType(e){return this.getNodeType(e)}setPrecision(e){return this.precision=e,this}serialize(e){super.serialize(e),e.value=this.value,this.value&&this.value.toArray&&(e.value=this.value.toArray()),e.valueType=Ks(this.value),e.nodeType=this.nodeType,"ArrayBuffer"===e.valueType&&(e.value=ei(e.value)),e.precision=this.precision}deserialize(e){super.deserialize(e),this.nodeType=e.nodeType,this.value=Array.isArray(e.value)?Zs(e.valueType,...e.value):e.value,this.precision=e.precision||null,this.value&&this.value.fromArray&&(this.value=this.value.fromArray(e.value))}generate(){d("Abstract function.")}}const Ni=/float|u?int/;class Si extends vi{static get type(){return"ConstNode"}constructor(e,t=null){super(e,t),this.isConstNode=!0}generateConst(e){return e.generateConst(this.getNodeType(e),this.value)}generate(e,t){const r=this.getNodeType(e);return Ni.test(r)&&Ni.test(t)?e.generateConst(t,this.value):e.format(this.generateConst(e),r,t)}}class Ri extends pi{static get type(){return"MemberNode"}constructor(e,t){super(),this.structNode=e,this.property=t,this.isMemberNode=!0}hasMember(e){return(!this.structNode.isMemberNode||!1!==this.structNode.hasMember(e))&&"void"!==this.structNode.getMemberType(e,this.property)}generateNodeType(e){return!1===this.hasMember(e)?"float":this.structNode.getMemberType(e,this.property)}getMemberType(e,t){if(!1===this.hasMember(e))return"float";const r=this.getNodeType(e);return e.getStructTypeNode(r).getMemberType(e,t)}generate(e){if(!1===this.hasMember(e)){d(`TSL: Member "${this.property}" does not exist in struct.`,this.stackTrace);const t=this.getNodeType(e);return e.generateConst(t)}return this.structNode.build(e)+"."+this.property}}let Ei=null;const wi=new Map;function Ai(e,t){if(wi.has(e))d(`TSL: Redefinition of method chaining '${e}'.`);else{if("function"!=typeof t)throw new Error(`THREE.TSL: Node element ${e} is not a function`);wi.set(e,t),"assign"!==e&&(pi.prototype[e]=function(...e){return this.isStackNode?this.addToStack(t(...e)):t(this,...e)},pi.prototype[e+"Assign"]=function(...e){return this.isStackNode?this.assign(e[0],t(...e)):this.assign(t(this,...e))})}}const Ci=e=>(e=>e.replace(/r|s/g,"x").replace(/g|t/g,"y").replace(/b|p/g,"z").replace(/a|q/g,"w"))(e).split("").sort().join("");pi.prototype.assign=function(...e){if(!0!==this.isStackNode)return null!==Ei?Ei.assign(this,...e):o("TSL: No stack defined for assign operation. Make sure the assign is inside a Fn().",new Vs),this;{const t=wi.get("assign");return this.addToStack(t(...e))}},pi.prototype.toVarIntent=function(){return this},pi.prototype.get=function(e){return new Ri(this,e)};const Mi={};function Bi(e,t,r){Mi[e]=Mi[t]=Mi[r]={get(){this._cache=this._cache||{};let t=this._cache[e];return void 0===t&&(t=new xi(this,e),this._cache[e]=t),t},set(t){this[e].assign(sn(t))}};const s=e.toUpperCase(),i=t.toUpperCase(),n=r.toUpperCase();pi.prototype["set"+s]=pi.prototype["set"+i]=pi.prototype["set"+n]=function(t){const r=Ci(e);return new Ti(this,r,sn(t))},pi.prototype["flip"+s]=pi.prototype["flip"+i]=pi.prototype["flip"+n]=function(){const t=Ci(e);return new _i(this,t)}}const Li=["x","y","z","w"],Fi=["r","g","b","a"],Pi=["s","t","p","q"];for(let e=0;e<4;e++){let t=Li[e],r=Fi[e],s=Pi[e];Bi(t,r,s);for(let i=0;i<4;i++){t=Li[e]+Li[i],r=Fi[e]+Fi[i],s=Pi[e]+Pi[i],Bi(t,r,s);for(let n=0;n<4;n++){t=Li[e]+Li[i]+Li[n],r=Fi[e]+Fi[i]+Fi[n],s=Pi[e]+Pi[i]+Pi[n],Bi(t,r,s);for(let a=0;a<4;a++)t=Li[e]+Li[i]+Li[n]+Li[a],r=Fi[e]+Fi[i]+Fi[n]+Fi[a],s=Pi[e]+Pi[i]+Pi[n]+Pi[a],Bi(t,r,s)}}}for(let e=0;e<32;e++)Mi[e]={get(){this._cache=this._cache||{};let t=this._cache[e];return void 0===t&&(t=new gi(this,new Si(e,"uint")),this._cache[e]=t),t},set(t){this[e].assign(sn(t))}};Object.defineProperties(pi.prototype,Mi);const Ui=function(e,t=null){for(const r in e)e[r]=sn(e[r],t);return e},Di=function(e,t=null){const r=e.length;for(let s=0;s<r;s++)e[s]=sn(e[s],t);return e},Ii=function(e,t=null,r=null,s=null){function i(e){return null!==s?(e=sn(Object.assign(e,s)),!0===s.intent&&(e=e.toVarIntent())):e=sn(e),e}let n,a,u,l=t;function d(t){let r;return r=l?/[a-z]/i.test(l)?l+"()":l:e.type,void 0!==a&&t.length<a?(o(`TSL: "${r}" parameter length is less than minimum required.`,new Vs),t.concat(new Array(a-t.length).fill(0))):void 0!==u&&t.length>u?(o(`TSL: "${r}" parameter length exceeds limit.`,new Vs),t.slice(0,u)):t}return null===t?n=(...t)=>i(new e(...on(d(t)))):null!==r?(r=sn(r),n=(...s)=>i(new e(t,...on(d(s)),r))):n=(...r)=>i(new e(t,...on(d(r)))),n.setParameterLength=(...e)=>(1===e.length?a=u=e[0]:2===e.length&&([a,u]=e),n),n.setName=e=>(l=e,n),n},Oi=function(e,...t){return new e(...on(t))};class Vi extends pi{constructor(e,t){super(),this.shaderNode=e,this.rawInputs=t,this.isShaderCallNodeInternal=!0}generateNodeType(e){return this.shaderNode.nodeType||this.getOutputNode(e).getNodeType(e)}getElementType(e){return this.getOutputNode(e).getElementType(e)}getMemberType(e,t){return this.getOutputNode(e).getMemberType(e,t)}call(e){const{shaderNode:t,rawInputs:r}=this,s=e.getNodeProperties(t),i=e.getClosestSubBuild(t.subBuilds)||"",n=i||"default";if(s[n])return s[n];const a=e.subBuildFn,o=e.fnCall;e.subBuildFn=i,e.fnCall=this;let u=null;if(t.layout){if(r){const s=t.layout.inputs;if(ki(r)){const t=r;for(let r=0;r<s.length;r++){const s=t[r];s&&s.isNode&&s.build(e)}}else{const t=r[0];for(const r of s){const s=t[r.name];s&&s.isNode&&s.build(e)}}}const s=e.buildFunctionNode(t);e.addInclude(s);const i=r?function(e){let t;an(e),t=ki(e)?[...e]:e[0];return t}(r):null;u=s.call(i)}else{const s=new Proxy(e,{get:(e,t,r)=>{let s;return s=Symbol.iterator===t?function*(){yield}:Reflect.get(e,t,r),s}}),i=r?function(e){let t=0;return an(e),new Proxy(e,{get:(r,s,i)=>{let n;if("length"===s)return n=e.length,n;if(Symbol.iterator===s)n=function*(){for(const t of e)yield sn(t)};else{if(e.length>0)if(Object.getPrototypeOf(e[0])===Object.prototype){const r=e[0];n=void 0===r[s]?r[t++]:Reflect.get(r,s,i)}else e[0]instanceof pi&&(n=void 0===e[s]?e[t++]:Reflect.get(e,s,i));else n=Reflect.get(r,s,i);n=sn(n)}return n}})}(r):null,n=Array.isArray(r)?r.length>0:null!==r,a=t.jsFunc,o=n||a.length>1?a(i,s):a(s);u=sn(o)}return e.subBuildFn=a,e.fnCall=o,t.once&&(s[n]=u),u}setupOutput(e){return e.addStack(),e.stack.outputNode=this.call(e),e.removeStack()}getOutputNode(e){const t=e.getNodeProperties(this),r=e.getSubBuildOutput(this);return t[r]=t[r]||this.setupOutput(e),t[r].subBuild=e.getClosestSubBuild(this),t[r]}build(e,t=null){let r=null;const s=e.getBuildStage(),i=e.getNodeProperties(this),n=e.getSubBuildOutput(this),a=this.getOutputNode(e),o=e.fnCall;if(e.fnCall=this,"setup"===s){const t=e.getSubBuildProperty("initialized",this);if(!0!==i[t]&&(i[t]=!0,i[n]=this.getOutputNode(e),i[n].build(e),this.shaderNode.subBuilds))for(const t of e.chaining){const r=e.getDataFromNode(t,"any");r.subBuilds=r.subBuilds||new Set;for(const e of this.shaderNode.subBuilds)r.subBuilds.add(e)}r=i[n]}else"analyze"===s?a.build(e,t):"generate"===s&&(r=a.build(e,t)||"");return e.fnCall=o,r}}function ki(e){return e[0]&&(e[0].isNode||Object.getPrototypeOf(e[0])!==Object.prototype)}class Gi extends pi{constructor(e,t){super(t),this.jsFunc=e,this.layout=null,this.global=!0,this.once=!1}setLayout(e){return this.layout=e,this}getLayout(){return this.layout}call(e=null){return new Vi(this,e)}setup(){return this.call()}}const $i=[!1,!0],zi=[0,1,2,3],Wi=[-1,-2],Hi=[.5,1.5,1/3,1e-6,1e6,Math.PI,2*Math.PI,1/Math.PI,2/Math.PI,1/(2*Math.PI),Math.PI/2],ji=new Map;for(const e of $i)ji.set(e,new Si(e));const qi=new Map;for(const e of zi)qi.set(e,new Si(e,"uint"));const Xi=new Map([...qi].map(e=>new Si(e.value,"int")));for(const e of Wi)Xi.set(e,new Si(e,"int"));const Yi=new Map([...Xi].map(e=>new Si(e.value)));for(const e of Hi)Yi.set(e,new Si(e));for(const e of Hi)Yi.set(-e,new Si(-e));const Qi={bool:ji,uint:qi,ints:Xi,float:Yi},Ki=new Map([...ji,...Yi]),Zi=(e,t)=>Ki.has(e)?Ki.get(e):!0===e.isNode?e:new Si(e,t),Ji=function(e,t=null){return(...r)=>{for(const t of r)if(void 0===t)return o(`TSL: Invalid parameter for the type "${e}".`,new Vs),new Si(0,e);if((0===r.length||!["bool","float","int","uint"].includes(e)&&r.every(e=>{const t=typeof e;return"object"!==t&&"function"!==t}))&&(r=[Zs(e,...r)]),1===r.length&&null!==t&&t.has(r[0]))return nn(t.get(r[0]));if(1===r.length){const t=Zi(r[0],e);return t.nodeType===e?nn(t):nn(new mi(t,e))}const s=r.map(e=>Zi(e));return nn(new yi(s,e))}};function en(e){return e&&e.isNode&&e.traverse(t=>{t.isConstNode&&(e=t.value)}),Boolean(e)}const tn=e=>null!=e?e.nodeType||e.convertTo||("string"==typeof e?e:null):null;function rn(e,t){return new Gi(e,t)}const sn=(e,t=null)=>function(e,t=null){const r=Ks(e);return"node"===r?e:null===t&&("float"===r||"boolean"===r)||r&&"shader"!==r&&"string"!==r?sn(Zi(e,t)):"shader"===r?e.isFn?e:gn(e):e}(e,t),nn=(e,t=null)=>sn(e,t).toVarIntent(),an=(e,t=null)=>new Ui(e,t),on=(e,t=null)=>new Di(e,t),un=(e,t=null,r=null,s=null)=>new Ii(e,t,r,s),ln=(e,...t)=>new Oi(e,...t),dn=(e,t=null,r=null,s={})=>new Ii(e,t,r,{...s,intent:!0}),cn=(e,t)=>new Proxy(e,{get:(e,r,s)=>Reflect.get(t,r,s),set:(e,r,s)=>Reflect.set(t,r,s)});let hn=0;class pn extends pi{constructor(e,t=null){super();let r=null;null!==t&&("object"==typeof t?r=t.return:("string"==typeof t?r=t:o("TSL: Invalid layout type.",new Vs),t=null)),this.shaderNode=new rn(e,r),null!==t&&this.setLayout(t),this.isFn=!0}setLayout(e){const t=this.shaderNode.nodeType;if("object"!=typeof e.inputs){const r={name:"fn"+hn++,type:t,inputs:[]};for(const t in e)"return"!==t&&r.inputs.push({name:t,type:e[t]});e=r}return this.shaderNode.setLayout(e),this}generateNodeType(e){return this.shaderNode.getNodeType(e)||"float"}call(...e){const t=this.shaderNode.call(e);return"void"===this.shaderNode.nodeType&&t.toStack(),t.toVarIntent()}once(e=null){return this.shaderNode.once=!0,this.shaderNode.subBuilds=e,this}generate(e){const t=this.getNodeType(e);return o('TSL: "Fn()" was declared but not invoked. Try calling it like "Fn()( ...params )".',this.stackTrace),e.generateConst(t)}}function gn(e,t=null){const r=new pn(e,t);return new Proxy(()=>{},{apply:(e,t,s)=>r.call(...s),get:(e,t,s)=>Reflect.get(r,t,s),set:(e,t,s,i)=>Reflect.set(r,t,s,i)})}const mn=e=>{Ei=e},fn=()=>Ei,yn=(...e)=>Ei.If(...e);function bn(e){return Ei&&Ei.addToStack(e),e}Ai("toStack",bn);const xn=new Ji("color"),Tn=new Ji("float",Qi.float),_n=new Ji("int",Qi.ints),vn=new Ji("uint",Qi.uint),Nn=new Ji("bool",Qi.bool),Sn=new Ji("vec2"),Rn=new Ji("ivec2"),En=new Ji("uvec2"),wn=new Ji("bvec2"),An=new Ji("vec3"),Cn=new Ji("ivec3"),Mn=new Ji("uvec3"),Bn=new Ji("bvec3"),Ln=new Ji("vec4"),Fn=new Ji("ivec4"),Pn=new Ji("uvec4"),Un=new Ji("bvec4"),Dn=new Ji("mat2"),In=new Ji("mat3"),On=new Ji("mat4");Ai("toColor",xn),Ai("toFloat",Tn),Ai("toInt",_n),Ai("toUint",vn),Ai("toBool",Nn),Ai("toVec2",Sn),Ai("toIVec2",Rn),Ai("toUVec2",En),Ai("toBVec2",wn),Ai("toVec3",An),Ai("toIVec3",Cn),Ai("toUVec3",Mn),Ai("toBVec3",Bn),Ai("toVec4",Ln),Ai("toIVec4",Fn),Ai("toUVec4",Pn),Ai("toBVec4",Un),Ai("toMat2",Dn),Ai("toMat3",In),Ai("toMat4",On);const Vn=un(gi).setParameterLength(2),kn=(e,t)=>new mi(sn(e),t);Ai("element",Vn),Ai("convert",kn);Ai("append",e=>(d("TSL: .append() has been renamed to .toStack().",new Vs),bn(e)));class Gn extends pi{static get type(){return"PropertyNode"}constructor(e,t=null,r=!1,s=null){super(e),this.name=t,this.varying=r,this.placeholderNode=sn(s),this.isPropertyNode=!0,this.global=!0}getNodeType(e){const t=super.getNodeType(e);return"output"===t?e.getOutputType():t}customCacheKey(){return Gs(this.type+":"+(this.name||"")+":"+(this.varying?"1":"0"))}getHash(e){return this.name||super.getHash(e)}generate(e){let t;if(!0===this.varying)t=e.getVaryingFromNode(this,this.name),t.needsInterpolation=!0;else if(t=e.getVarFromNode(this,this.name),null!==this.placeholderNode&&!1===e.hasWriteUsage(this)){const r=this.placeholderNode.build(e,this.getNodeType(e));e.addLineFlowCode(`${e.getPropertyName(t)} = ${r}`,this)}return e.getPropertyName(t)}}const $n=(e,t,r=null)=>new Gn(e,t,!1,r),zn=(e,t,r=null)=>new Gn(e,t,!0,r),Wn=ln(Gn,"vec4","DiffuseColor"),Hn=ln(Gn,"vec3","DiffuseContribution"),jn=ln(Gn,"vec3","EmissiveColor"),qn=ln(Gn,"float","Roughness"),Xn=ln(Gn,"float","Metalness"),Yn=ln(Gn,"float","Clearcoat"),Qn=ln(Gn,"float","ClearcoatRoughness"),Kn=ln(Gn,"vec3","Sheen"),Zn=ln(Gn,"float","SheenRoughness"),Jn=ln(Gn,"float","Iridescence"),ea=ln(Gn,"float","IridescenceIOR"),ta=ln(Gn,"float","IridescenceThickness"),ra=ln(Gn,"float","AlphaT"),sa=ln(Gn,"float","Anisotropy"),ia=ln(Gn,"vec3","AnisotropyT"),na=ln(Gn,"vec3","AnisotropyB"),aa=ln(Gn,"color","SpecularColor"),oa=ln(Gn,"color","SpecularColorBlended"),ua=ln(Gn,"float","SpecularF90"),la=ln(Gn,"float","Shininess"),da=ln(Gn,"output","Output"),ca=ln(Gn,"float","dashSize"),ha=ln(Gn,"float","gapSize"),pa=ln(Gn,"float","pointWidth"),ga=ln(Gn,"float","IOR"),ma=ln(Gn,"float","Transmission"),fa=ln(Gn,"float","Thickness"),ya=ln(Gn,"float","AttenuationDistance"),ba=ln(Gn,"color","AttenuationColor"),xa=ln(Gn,"float","Dispersion"),Ta=ln(Gn,"float","AmbientOcclusion",!1,1);class _a extends pi{static get type(){return"UniformGroupNode"}constructor(e,t=!1,r=1,s=null){super("string"),this.name=e,this.shared=t,this.order=r,this.updateType=s,this.isUniformGroup=!0}update(){this.needsUpdate=!0}serialize(e){super.serialize(e),e.name=this.name,e.version=this.version,e.shared=this.shared}deserialize(e){super.deserialize(e),this.name=e.name,this.version=e.version,this.shared=e.shared}}const va=(e,t=1,r=null)=>new _a(e,!1,t,r),Na=(e,t=0,r=null)=>new _a(e,!0,t,r),Sa=Na("frame",0,ii.FRAME),Ra=Na("render",0,ii.RENDER),Ea=va("object",1,ii.OBJECT);class wa extends vi{static get type(){return"UniformNode"}constructor(e,t=null){super(e,t),this.isUniformNode=!0,this.name="",this.groupNode=Ea}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.',new Vs),this.setName(e)}setGroup(e){return this.groupNode=e,this}getGroup(){return this.groupNode}getUniformHash(e){return this.getHash(e)}onUpdate(e,t){return e=e.bind(this),super.onUpdate(t=>{const r=e(t,this);void 0!==r&&(this.value=r)},t)}getInputType(e){let t=super.getInputType(e);return"bool"===t&&(t="uint"),t}generate(e,t){const r=this.getNodeType(e),s=this.getUniformHash(e);let i=e.getNodeFromHash(s);void 0===i&&(e.setHashNode(this,s),i=this);const n=i.getInputType(e),a=e.getUniformFromNode(i,n,e.shaderStage,this.name||e.context.nodeName),o=e.getPropertyName(a);void 0!==e.context.nodeName&&delete e.context.nodeName;let u=o;if("bool"===r){const t=e.getDataFromNode(this);let s=t.propertyName;if(void 0===s){const i=e.getVarFromNode(this,null,"bool");s=e.getPropertyName(i),t.propertyName=s,u=e.format(o,n,r),e.addLineFlowCode(`${s} = ${u}`,this)}u=s}return e.format(u,r,t)}}const Aa=(e,t)=>{const r=tn(t||e);if(r===e&&(e=Zs(r)),e&&!0===e.isNode){let t=e.value;e.traverse(e=>{!0===e.isConstNode&&(t=e.value)}),e=t}return new wa(e,r)};class Ca extends fi{static get type(){return"ArrayNode"}constructor(e,t,r=null){super(e),this.count=t,this.values=r,this.isArrayNode=!0}getArrayCount(){return this.count}generateNodeType(e){return null===this.nodeType?this.values[0].getNodeType(e):this.nodeType}getElementType(e){return this.getNodeType(e)}getMemberType(e,t){return null===this.nodeType?this.values[0].getMemberType(e,t):super.getMemberType(e,t)}generate(e){const t=this.getNodeType(e);return e.generateArray(t,this.count,this.values)}}const Ma=(...e)=>{let t;if(1===e.length){const r=e[0];t=new Ca(null,r.length,r)}else{const r=e[0],s=e[1];t=new Ca(r,s)}return sn(t)};Ai("toArray",(e,t)=>Ma(Array(t).fill(e)));class Ba extends fi{static get type(){return"AssignNode"}constructor(e,t){super(),this.targetNode=e,this.sourceNode=t,this.isAssignNode=!0}hasDependencies(){return!1}generateNodeType(e,t){return"void"!==t?this.targetNode.getNodeType(e):"void"}needsSplitAssign(e){const{targetNode:t}=this;if(!1===e.isAvailable("swizzleAssign")&&t.isSplitNode&&t.components.length>1){const r=e.getTypeLength(t.node.getNodeType(e));return di.join("").slice(0,r)!==t.components}return!1}setup(e){const{targetNode:t,sourceNode:r}=this,s=t.getScope();e.getDataFromNode(s).assign=!0;const i=e.getNodeProperties(this);i.sourceNode=r,i.targetNode=t.context({assign:!0})}generate(e,t){const{targetNode:r,sourceNode:s}=e.getNodeProperties(this),i=this.needsSplitAssign(e),n=r.build(e),a=r.getNodeType(e),o=s.build(e,a),u=s.getNodeType(e),l=e.getDataFromNode(this);let d;if(!0===l.initialized)"void"!==t&&(d=n);else if(i){const s=e.getVarFromNode(this,null,a),i=e.getPropertyName(s);e.addLineFlowCode(`${i} = ${o}`,this);const u=r.node,l=u.node.context({assign:!0}).build(e);for(let t=0;t<u.components.length;t++){const r=u.components[t];e.addLineFlowCode(`${l}.${r} = ${i}[ ${t} ]`,this)}"void"!==t&&(d=n)}else d=`${n} = ${o}`,"void"!==t&&"void"!==u||(e.addLineFlowCode(d,this),"void"!==t&&(d=n));return l.initialized=!0,e.format(d,a,t)}}const La=un(Ba).setParameterLength(2);Ai("assign",La);class Fa extends fi{static get type(){return"FunctionCallNode"}constructor(e=null,t={}){super(),this.functionNode=e,this.parameters=t}setParameters(e){return this.parameters=e,this}getParameters(){return this.parameters}generateNodeType(e){return this.functionNode.getNodeType(e)}getMemberType(e,t){return this.functionNode.getMemberType(e,t)}generate(e){const t=[],r=this.functionNode,s=r.getInputs(e),i=this.parameters,n=(t,r)=>{const s=r.type;let i;return i="pointer"===s?"&"+t.build(e):t.build(e,s),i};if(Array.isArray(i)){if(i.length>s.length)o("TSL: The number of provided parameters exceeds the expected number of inputs in 'Fn()'."),i.length=s.length;else if(i.length<s.length)for(o("TSL: The number of provided parameters is less than the expected number of inputs in 'Fn()'.");i.length<s.length;)i.push(Tn(0));for(let e=0;e<i.length;e++)t.push(n(i[e],s[e]))}else for(const e of s){const r=i[e.name];void 0!==r?t.push(n(r,e)):(o(`TSL: Input '${e.name}' not found in 'Fn()'.`),t.push(n(Tn(0),e)))}return`${r.build(e,"property")}( ${t.join(", ")} )`}}const Pa=(e,...t)=>(t=t.length>1||t[0]&&!0===t[0].isNode?on(t):an(t[0]),new Fa(sn(e),t));Ai("call",Pa);const Ua={"==":"equal","!=":"notEqual","<":"lessThan",">":"greaterThan","<=":"lessThanEqual",">=":"greaterThanEqual","%":"mod"};class Da extends fi{static get type(){return"OperatorNode"}constructor(e,t,r,...s){if(super(),s.length>0){let i=new Da(e,t,r);for(let t=0;t<s.length-1;t++)i=new Da(e,i,s[t]);t=i,r=s[s.length-1]}this.op=e,this.aNode=t,this.bNode=r,this.isOperatorNode=!0}getOperatorMethod(e,t){return e.getMethod(Ua[this.op],t)}generateNodeType(e,t=null){const r=this.op,s=this.aNode,i=this.bNode,n=s.getNodeType(e),a=i?i.getNodeType(e):null;if("void"===n||"void"===a)return t||"void";if("%"===r)return n;if("~"===r||"&"===r||"|"===r||"^"===r||">>"===r||"<<"===r)return e.getIntegerType(n);if("&&"===r||"||"===r||"^^"===r)return"bool";if("!"===r){const t=e.getTypeLength(n);return t>1?`bvec${t}`:"bool"}if("=="===r||"!="===r||"<"===r||">"===r||"<="===r||">="===r){const t=Math.max(e.getTypeLength(n),e.getTypeLength(a));return t>1?`bvec${t}`:"bool"}if(e.isMatrix(n)){if("float"===a)return n;if(e.isVector(a))return e.getVectorFromMatrix(n);if(e.isMatrix(a))return n}else if(e.isMatrix(a)){if("float"===n)return a;if(e.isVector(n))return e.getVectorFromMatrix(a)}return e.getTypeLength(a)>e.getTypeLength(n)?a:n}generate(e,t){const r=this.op,{aNode:s,bNode:i}=this,n=this.getNodeType(e,t);let a=null,o=null;"void"!==n?(a=s.getNodeType(e),o=i?i.getNodeType(e):null,"<"===r||">"===r||"<="===r||">="===r||"=="===r||"!="===r?e.isVector(a)?o=a:e.isVector(o)?a=o:a!==o&&(a=o="float"):">>"===r||"<<"===r?(a=n,o=e.changeComponentType(o,"uint")):"%"===r?(a=n,o=e.isInteger(a)&&e.isInteger(o)?o:a):e.isMatrix(a)?"float"===o?o="float":e.isVector(o)?o=e.getVectorFromMatrix(a):e.isMatrix(o)||(a=o=n):a=e.isMatrix(o)?"float"===a?"float":e.isVector(a)?e.getVectorFromMatrix(o):o=n:o=n):a=o=n;const u=s.build(e,a),l=i?i.build(e,o):null,d=e.getFunctionOperator(r);if("void"!==t){const s=e.renderer.coordinateSystem===c;if("=="===r||"!="===r||"<"===r||">"===r||"<="===r||">="===r)return s&&e.isVector(a)?e.format(`${this.getOperatorMethod(e,t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} ${r} ${l} )`,n,t);if("%"===r)return e.isInteger(o)?e.format(`( ${u} % ${l} )`,n,t):e.format(`${this.getOperatorMethod(e,n)}( ${u}, ${l} )`,n,t);if("!"===r)return s&&e.isVector(a)?e.format(`not( ${u} )`,t):e.format(`( ${r} ${u} )`,a,t);if("~"===r)return e.format(`( ${r} ${u} )`,a,t);if(d)return e.format(`${d}( ${u}, ${l} )`,n,t);if(e.isMatrix(a)&&"float"===o)return e.format(`( ${l} ${r} ${u} )`,n,t);if("float"===a&&e.isMatrix(o))return e.format(`${u} ${r} ${l}`,n,t);{let i=`( ${u} ${r} ${l} )`;return!s&&"bool"===n&&e.isVector(a)&&e.isVector(o)&&(i=`all${i}`),e.format(i,n,t)}}if("void"!==a)return d?e.format(`${d}( ${u}, ${l} )`,n,t):e.isMatrix(a)&&"float"===o?e.format(`${l} ${r} ${u}`,n,t):e.format(`${u} ${r} ${l}`,n,t)}serialize(e){super.serialize(e),e.op=this.op}deserialize(e){super.deserialize(e),this.op=e.op}}const Ia=dn(Da,"+").setParameterLength(2,1/0).setName("add"),Oa=dn(Da,"-").setParameterLength(2,1/0).setName("sub"),Va=dn(Da,"*").setParameterLength(2,1/0).setName("mul"),ka=dn(Da,"/").setParameterLength(2,1/0).setName("div"),Ga=dn(Da,"%").setParameterLength(2).setName("mod"),$a=dn(Da,"==").setParameterLength(2).setName("equal"),za=dn(Da,"!=").setParameterLength(2).setName("notEqual"),Wa=dn(Da,"<").setParameterLength(2).setName("lessThan"),Ha=dn(Da,">").setParameterLength(2).setName("greaterThan"),ja=dn(Da,"<=").setParameterLength(2).setName("lessThanEqual"),qa=dn(Da,">=").setParameterLength(2).setName("greaterThanEqual"),Xa=dn(Da,"&&").setParameterLength(2,1/0).setName("and"),Ya=dn(Da,"||").setParameterLength(2,1/0).setName("or"),Qa=dn(Da,"!").setParameterLength(1).setName("not"),Ka=dn(Da,"^^").setParameterLength(2).setName("xor"),Za=dn(Da,"&").setParameterLength(2).setName("bitAnd"),Ja=dn(Da,"~").setParameterLength(1).setName("bitNot"),eo=dn(Da,"|").setParameterLength(2).setName("bitOr"),to=dn(Da,"^").setParameterLength(2).setName("bitXor"),ro=dn(Da,"<<").setParameterLength(2).setName("shiftLeft"),so=dn(Da,">>").setParameterLength(2).setName("shiftRight"),io=gn(([e])=>(e.addAssign(1),e)),no=gn(([e])=>(e.subAssign(1),e)),ao=gn(([e])=>{const t=_n(e).toConst();return e.addAssign(1),t}),oo=gn(([e])=>{const t=_n(e).toConst();return e.subAssign(1),t});Ai("add",Ia),Ai("sub",Oa),Ai("mul",Va),Ai("div",ka),Ai("mod",Ga),Ai("equal",$a),Ai("notEqual",za),Ai("lessThan",Wa),Ai("greaterThan",Ha),Ai("lessThanEqual",ja),Ai("greaterThanEqual",qa),Ai("and",Xa),Ai("or",Ya),Ai("not",Qa),Ai("xor",Ka),Ai("bitAnd",Za),Ai("bitNot",Ja),Ai("bitOr",eo),Ai("bitXor",to),Ai("shiftLeft",ro),Ai("shiftRight",so),Ai("incrementBefore",io),Ai("decrementBefore",no),Ai("increment",ao),Ai("decrement",oo);class uo extends fi{static get type(){return"MathNode"}constructor(e,t,r=null,s=null){if(super(),(e===uo.MAX||e===uo.MIN)&&arguments.length>3){let i=new uo(e,t,r);for(let t=3;t<arguments.length-1;t++)i=new uo(e,i,arguments[t]);t=i,r=arguments[arguments.length-1],s=null}this.method=e,this.aNode=t,this.bNode=r,this.cNode=s,this.isMathNode=!0}getInputType(e){const t=this.aNode.getNodeType(e),r=this.bNode?this.bNode.getNodeType(e):null,s=this.cNode?this.cNode.getNodeType(e):null,i=e.isMatrix(t)?0:e.getTypeLength(t),n=e.isMatrix(r)?0:e.getTypeLength(r),a=e.isMatrix(s)?0:e.getTypeLength(s);return i>n&&i>a?t:n>a?r:a>i?s:t}generateNodeType(e){const t=this.method;return t===uo.LENGTH||t===uo.DISTANCE||t===uo.DOT?"float":t===uo.CROSS?"vec3":t===uo.ALL||t===uo.ANY?"bool":t===uo.EQUALS?e.changeComponentType(this.aNode.getNodeType(e),"bool"):this.getInputType(e)}setup(e){const{aNode:t,bNode:r,method:s}=this;let i=null;if(s===uo.ONE_MINUS)i=Oa(1,t);else if(s===uo.RECIPROCAL)i=ka(1,t);else if(s===uo.DIFFERENCE)i=$o(Oa(t,r));else if(s===uo.TRANSFORM_DIRECTION){let s,n;e.isMatrix(t.getNodeType(e))?(s=t,n=r):(s=r,n=t),i=Ao(Va(s,Ln(An(n),0)).xyz)}return null!==i?i:super.setup(e)}generate(e,t){if(e.getNodeProperties(this).outputNode)return super.generate(e,t);let r=this.method;const s=this.getNodeType(e),i=this.getInputType(e),n=this.aNode,a=this.bNode,o=this.cNode,u=e.renderer.coordinateSystem;if(r===uo.NEGATE)return e.format("( - "+n.build(e,i)+" )",s,t);{const l=[];return r===uo.CROSS?l.push(n.build(e,s),a.build(e,s)):u===c&&r===uo.STEP?l.push(n.build(e,1===e.getTypeLength(n.getNodeType(e))?"float":i),a.build(e,i)):u!==c||r!==uo.MIN&&r!==uo.MAX?r===uo.REFRACT?l.push(n.build(e,i),a.build(e,i),o.build(e,"float")):r===uo.MIX?l.push(n.build(e,i),a.build(e,i),o.build(e,1===e.getTypeLength(o.getNodeType(e))?"float":i)):(u===h&&r===uo.ATAN&&null!==a&&(r="atan2"),"fragment"===e.shaderStage||r!==uo.DFDX&&r!==uo.DFDY||(d(`TSL: '${r}' is not supported in the ${e.shaderStage} stage.`,this.stackTrace),r="/*"+r+"*/"),l.push(n.build(e,i)),null!==a&&l.push(a.build(e,i)),null!==o&&l.push(o.build(e,i))):l.push(n.build(e,i),a.build(e,1===e.getTypeLength(a.getNodeType(e))?"float":i)),e.format(`${e.getMethod(r,s)}( ${l.join(", ")} )`,s,t)}}serialize(e){super.serialize(e),e.method=this.method}deserialize(e){super.deserialize(e),this.method=e.method}}uo.ALL="all",uo.ANY="any",uo.RADIANS="radians",uo.DEGREES="degrees",uo.EXP="exp",uo.EXP2="exp2",uo.LOG="log",uo.LOG2="log2",uo.SQRT="sqrt",uo.INVERSE_SQRT="inversesqrt",uo.FLOOR="floor",uo.CEIL="ceil",uo.NORMALIZE="normalize",uo.FRACT="fract",uo.SIN="sin",uo.SINH="sinh",uo.COS="cos",uo.COSH="cosh",uo.TAN="tan",uo.TANH="tanh",uo.ASIN="asin",uo.ASINH="asinh",uo.ACOS="acos",uo.ACOSH="acosh",uo.ATAN="atan",uo.ATANH="atanh",uo.ABS="abs",uo.SIGN="sign",uo.LENGTH="length",uo.NEGATE="negate",uo.ONE_MINUS="oneMinus",uo.DFDX="dFdx",uo.DFDY="dFdy",uo.ROUND="round",uo.RECIPROCAL="reciprocal",uo.TRUNC="trunc",uo.FWIDTH="fwidth",uo.TRANSPOSE="transpose",uo.DETERMINANT="determinant",uo.INVERSE="inverse",uo.EQUALS="equals",uo.MIN="min",uo.MAX="max",uo.STEP="step",uo.REFLECT="reflect",uo.DISTANCE="distance",uo.DIFFERENCE="difference",uo.DOT="dot",uo.CROSS="cross",uo.POW="pow",uo.TRANSFORM_DIRECTION="transformDirection",uo.MIX="mix",uo.CLAMP="clamp",uo.REFRACT="refract",uo.SMOOTHSTEP="smoothstep",uo.FACEFORWARD="faceforward";const lo=Tn(1e-6),co=Tn(1e6),ho=Tn(Math.PI),po=Tn(2*Math.PI),go=Tn(2*Math.PI),mo=Tn(.5*Math.PI),fo=dn(uo,uo.ALL).setParameterLength(1),yo=dn(uo,uo.ANY).setParameterLength(1),bo=dn(uo,uo.RADIANS).setParameterLength(1),xo=dn(uo,uo.DEGREES).setParameterLength(1),To=dn(uo,uo.EXP).setParameterLength(1),_o=dn(uo,uo.EXP2).setParameterLength(1),vo=dn(uo,uo.LOG).setParameterLength(1),No=dn(uo,uo.LOG2).setParameterLength(1),So=dn(uo,uo.SQRT).setParameterLength(1),Ro=dn(uo,uo.INVERSE_SQRT).setParameterLength(1),Eo=dn(uo,uo.FLOOR).setParameterLength(1),wo=dn(uo,uo.CEIL).setParameterLength(1),Ao=dn(uo,uo.NORMALIZE).setParameterLength(1),Co=dn(uo,uo.FRACT).setParameterLength(1),Mo=dn(uo,uo.SIN).setParameterLength(1),Bo=dn(uo,uo.SINH).setParameterLength(1),Lo=dn(uo,uo.COS).setParameterLength(1),Fo=dn(uo,uo.COSH).setParameterLength(1),Po=dn(uo,uo.TAN).setParameterLength(1),Uo=dn(uo,uo.TANH).setParameterLength(1),Do=dn(uo,uo.ASIN).setParameterLength(1),Io=dn(uo,uo.ASINH).setParameterLength(1),Oo=dn(uo,uo.ACOS).setParameterLength(1),Vo=dn(uo,uo.ACOSH).setParameterLength(1),ko=dn(uo,uo.ATAN).setParameterLength(1,2),Go=dn(uo,uo.ATANH).setParameterLength(1),$o=dn(uo,uo.ABS).setParameterLength(1),zo=dn(uo,uo.SIGN).setParameterLength(1),Wo=dn(uo,uo.LENGTH).setParameterLength(1),Ho=dn(uo,uo.NEGATE).setParameterLength(1),jo=dn(uo,uo.ONE_MINUS).setParameterLength(1),qo=dn(uo,uo.DFDX).setParameterLength(1),Xo=dn(uo,uo.DFDY).setParameterLength(1),Yo=dn(uo,uo.ROUND).setParameterLength(1),Qo=dn(uo,uo.RECIPROCAL).setParameterLength(1),Ko=dn(uo,uo.TRUNC).setParameterLength(1),Zo=dn(uo,uo.FWIDTH).setParameterLength(1),Jo=dn(uo,uo.TRANSPOSE).setParameterLength(1),eu=dn(uo,uo.DETERMINANT).setParameterLength(1),tu=dn(uo,uo.INVERSE).setParameterLength(1),ru=dn(uo,uo.MIN).setParameterLength(2,1/0),su=dn(uo,uo.MAX).setParameterLength(2,1/0),iu=dn(uo,uo.STEP).setParameterLength(2),nu=dn(uo,uo.REFLECT).setParameterLength(2),au=dn(uo,uo.DISTANCE).setParameterLength(2),ou=dn(uo,uo.DIFFERENCE).setParameterLength(2),uu=dn(uo,uo.DOT).setParameterLength(2),lu=dn(uo,uo.CROSS).setParameterLength(2),du=dn(uo,uo.POW).setParameterLength(2),cu=e=>Va(e,e),hu=e=>Va(e,e,e),pu=e=>Va(e,e,e,e),gu=dn(uo,uo.TRANSFORM_DIRECTION).setParameterLength(2),mu=(e,t)=>Ao(Va(t,Ln(An(e),0)).xyz),fu=(e,t)=>Ao(Ln(An(e),0).mul(t).xyz),yu=e=>Va(zo(e),du($o(e),1/3)),bu=e=>uu(e,e),xu=dn(uo,uo.MIX).setParameterLength(3),Tu=(e,t=0,r=1)=>new uo(uo.CLAMP,sn(e),sn(t),sn(r)),_u=e=>Tu(e),vu=dn(uo,uo.REFRACT).setParameterLength(3),Nu=dn(uo,uo.SMOOTHSTEP).setParameterLength(3),Su=dn(uo,uo.FACEFORWARD).setParameterLength(3),Ru=gn(([e])=>{const t=uu(e.xy,Sn(12.9898,78.233)),r=Ga(t,ho);return Co(Mo(r).mul(43758.5453))}),Eu=(e,t,r)=>xu(t,r,e),wu=(e,t,r)=>Nu(t,r,e),Au=(e,t)=>iu(t,e),Cu=Su,Mu=Ro;Ai("all",fo),Ai("any",yo),Ai("radians",bo),Ai("degrees",xo),Ai("exp",To),Ai("exp2",_o),Ai("log",vo),Ai("log2",No),Ai("sqrt",So),Ai("inverseSqrt",Ro),Ai("floor",Eo),Ai("ceil",wo),Ai("normalize",Ao),Ai("fract",Co),Ai("sin",Mo),Ai("sinh",Bo),Ai("cos",Lo),Ai("cosh",Fo),Ai("tan",Po),Ai("tanh",Uo),Ai("asin",Do),Ai("asinh",Io),Ai("acos",Oo),Ai("acosh",Vo),Ai("atan",ko),Ai("atanh",Go),Ai("abs",$o),Ai("sign",zo),Ai("length",Wo),Ai("lengthSq",bu),Ai("negate",Ho),Ai("oneMinus",jo),Ai("dFdx",qo),Ai("dFdy",Xo),Ai("round",Yo),Ai("reciprocal",Qo),Ai("trunc",Ko),Ai("fwidth",Zo),Ai("min",ru),Ai("max",su),Ai("step",Au),Ai("reflect",nu),Ai("distance",au),Ai("dot",uu),Ai("cross",lu),Ai("pow",du),Ai("pow2",cu),Ai("pow3",hu),Ai("pow4",pu),Ai("transformDirection",gu),Ai("transformNormalByViewMatrix",mu),Ai("transformNormalByInverseViewMatrix",fu),Ai("mix",Eu),Ai("clamp",Tu),Ai("refract",vu),Ai("smoothstep",wu),Ai("faceForward",Su),Ai("difference",ou),Ai("saturate",_u),Ai("cbrt",yu),Ai("transpose",Jo),Ai("determinant",eu),Ai("inverse",tu),Ai("rand",Ru);class Bu extends pi{static get type(){return"ConditionalNode"}constructor(e,t,r=null){super(),this.condNode=e,this.ifNode=t,this.elseNode=r}generateNodeType(e){const{ifNode:t,elseNode:r}=e.getNodeProperties(this);if(void 0===t)return e.flowBuildStage(this,"setup"),this.getNodeType(e);const s=t.getNodeType(e);if(null!==r){const t=r.getNodeType(e);if(e.getTypeLength(t)>e.getTypeLength(s))return t}return s}setup(e){const t=this.condNode,r=this.ifNode.isolate(),s=this.elseNode?this.elseNode.isolate():null,i=e.context.nodeBlock;e.getDataFromNode(r).parentNodeBlock=i,null!==s&&(e.getDataFromNode(s).parentNodeBlock=i);const n=e.context.uniformFlow,a=e.getNodeProperties(this);a.condNode=t,a.ifNode=n?r:r.context({nodeBlock:r}),a.elseNode=s?n?s:s.context({nodeBlock:s}):null}generate(e,t){const r=this.getNodeType(e),s=e.getDataFromNode(this);if(void 0!==s.nodeProperty)return s.nodeProperty;const{condNode:i,ifNode:n,elseNode:a}=e.getNodeProperties(this),o=e.currentFunctionNode,u="void"!==t,l=u?$n(r).build(e):"";s.nodeProperty=l;const c=i.build(e,"bool");if(e.context.uniformFlow&&null!==a){const s=n.build(e,r),i=a.build(e,r),o=e.getTernary(c,s,i);return e.format(o,r,t)}e.addFlowCode(`\n${e.tab}if ( ${c} ) {\n\n`).addFlowTab();let h=n.build(e,r);if(h&&(u?h=l+" = "+h+";":(h="return "+h+";",null===o&&(d("TSL: Return statement used in an inline 'Fn()'. Define a layout struct to allow return values.",this.stackTrace),h="// "+h))),e.removeFlowTab().addFlowCode(e.tab+"\t"+h+"\n\n"+e.tab+"}"),null!==a){e.addFlowCode(" else {\n\n").addFlowTab();let t=a.build(e,r);t&&(u?t=l+" = "+t+";":(t="return "+t+";",null===o&&(d("TSL: Return statement used in an inline 'Fn()'. Define a layout struct to allow return values.",this.stackTrace),t="// "+t))),e.removeFlowTab().addFlowCode(e.tab+"\t"+t+"\n\n"+e.tab+"}\n\n")}else e.addFlowCode("\n\n");return e.format(l,r,t)}}const Lu=un(Bu).setParameterLength(2,3);Ai("select",Lu);class Fu extends pi{static get type(){return"ContextNode"}constructor(e=null,t={}){super(),this.isContextNode=!0,this.node=e,this.value=t}getScope(){return this.node.getScope()}generateNodeType(e){return this.node.getNodeType(e)}getFlowContextData(){const e=[];return this.traverse(t=>{!0===t.isContextNode&&e.push(t.value)}),Object.assign({},...e)}getMemberType(e,t){return this.node.getMemberType(e,t)}analyze(e){const t=e.addContext(this.value);this.node.build(e),e.setContext(t)}setup(e){const t=e.addContext(this.value);this.node.build(e),e.setContext(t)}generate(e,t){const r=e.addContext(this.value),s=this.node.build(e,t);return e.setContext(r),s}}const Pu=(e=null,t={})=>{let r=e;return null!==r&&!0===r.isNode||(t=r||t,r=null),new Fu(r,t)},Uu=e=>Pu(e,{uniformFlow:!0}),Du=(e,t)=>Pu(e,{nodeName:t});function Iu(e,t,r=null){return Pu(r,{getShadow:({light:r,shadowColorNode:s})=>t===r?s.mul(e):s})}function Ou(e,t=null){return Pu(t,{getAO:(t,{material:r})=>!0===r.transparent?t:null!==t?t.mul(e):e})}function Vu(e,t){return d('TSL: "label()" has been deprecated. Use "setName()" instead.'),Du(e,t)}Ai("context",Pu),Ai("label",Vu),Ai("uniformFlow",Uu),Ai("setName",Du),Ai("builtinShadowContext",(e,t,r)=>Iu(t,r,e)),Ai("builtinAOContext",(e,t)=>Ou(t,e));class ku extends pi{static get type(){return"VarNode"}constructor(e,t=null,r=!1){super(),this.node=e,this.name=t,this.global=!0,this.isVarNode=!0,this.readOnly=r,this.parents=!0,this.intent=!1}setIntent(e){return this.intent=e,this}isIntent(e){return!0!==e.getDataFromNode(this).forceDeclaration&&this.intent}getIntent(){return this.intent}getMemberType(e,t){return this.node.getMemberType(e,t)}getElementType(e){return this.node.getElementType(e)}generateNodeType(e){return this.node.getNodeType(e)}getArrayCount(e){return this.node.getArrayCount(e)}isAssign(e){return e.getDataFromNode(this).assign}build(...e){const t=e[0];if(!1===this._hasStack(t)&&"setup"===t.buildStage&&(t.context.nodeLoop||t.context.nodeBlock)){let e=!1;if(this.node.isShaderCallNodeInternal&&null===this.node.shaderNode.getLayout()&&t.fnCall&&t.fnCall.shaderNode){if(t.getDataFromNode(this.node.shaderNode).hasLoop){t.getDataFromNode(this).forceDeclaration=!0,e=!0}}const r=t.getBaseStack();e?r.addToStackBefore(this):r.addToStack(this)}return this.isIntent(t)&&!0!==this.isAssign(t)?this.node.build(...e):super.build(...e)}generate(e){const{node:t,name:r,readOnly:s}=this,{renderer:i}=e,n=!0===i.backend.isWebGPUBackend;let a=!1,u=!1;s&&(a=e.isDeterministic(t),u=n?s:a);const l=this.getNodeType(e);if("void"==l){!0!==this.isIntent(e)&&o('TSL: ".toVar()" can not be used with void type.',this.stackTrace);return t.build(e)}const d=e.getVectorType(l),c=t.build(e,d),h=e.getVarFromNode(this,r,d,void 0,u),p=e.getPropertyName(h);let g=p;if(u)if(n)g=a?`const ${p}`:`let ${p}`;else{const r=t.getArrayCount(e);g=`const ${e.getVar(h.type,p,r)}`}return e.addLineFlowCode(`${g} = ${c}`,this),p}_hasStack(e){return void 0!==e.getDataFromNode(this).stack}}const Gu=un(ku),$u=(e,t=null)=>Gu(e,t).toStack(),zu=(e,t=null)=>Gu(e,t,!0).toStack(),Wu=e=>Gu(e).setIntent(!0).toStack();Ai("toVar",$u),Ai("toConst",zu),Ai("toVarIntent",Wu);class Hu extends pi{static get type(){return"SubBuild"}constructor(e,t,r=null){super(r),this.node=e,this.name=t,this.isSubBuildNode=!0}generateNodeType(e){if(null!==this.nodeType)return this.nodeType;e.addSubBuild(this.name);const t=this.node.getNodeType(e);return e.removeSubBuild(),t}build(e,...t){e.addSubBuild(this.name);const r=this.node.build(e,...t);return e.removeSubBuild(),r}}const ju=(e,t,r=null)=>new Hu(sn(e),t,r);class qu extends pi{static get type(){return"VaryingNode"}constructor(e,t=null){super(),this.node=ju(e,"VERTEX"),this.name=t,this.isVaryingNode=!0,this.interpolationType=null,this.interpolationSampling=null,this.global=!0}setInterpolation(e,t=null){return this.interpolationType=e,this.interpolationSampling=t,this}getHash(e){return this.name||super.getHash(e)}generateNodeType(e){return this.node.getNodeType(e)}setupVarying(e){const t=e.getNodeProperties(this);let r=t.varying;if(void 0===r){const s=this.name,i=this.getNodeType(e),n=this.interpolationType,a=this.interpolationSampling;t.varying=r=e.getVaryingFromNode(this,s,i,n,a),t.node=ju(this.node,"VERTEX")}return r.needsInterpolation||(r.needsInterpolation="fragment"===e.shaderStage),r}setup(e){this.setupVarying(e),e.flowNodeFromShaderStage(si.VERTEX,this.node)}analyze(e){this.setupVarying(e),e.flowNodeFromShaderStage(si.VERTEX,this.node)}generate(e){const t=e.getSubBuildProperty("property",e.currentStack),r=e.getNodeProperties(this),s=this.setupVarying(e);if(void 0===r[t]){const i=this.getNodeType(e),n=e.getPropertyName(s,si.VERTEX);if(e.shaderStage===si.VERTEX){const t=r.node.build(e,i);e.addLineFlowCode(`${n} = ${t}`,this)}else e.flowNodeFromShaderStage(si.VERTEX,r.node,i,n);r[t]=n}return e.getPropertyName(s)}}const Xu=un(qu).setParameterLength(1,2),Yu=e=>Xu(e);Ai("toVarying",Xu),Ai("toVertexStage",Yu);const Qu=gn(([e])=>{const t=e.mul(.9478672986).add(.0521327014).pow(2.4),r=e.mul(.0773993808),s=e.lessThanEqual(.04045);return xu(t,r,s)}).setLayout({name:"sRGBTransferEOTF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),Ku=gn(([e])=>{const t=e.pow(.41666).mul(1.055).sub(.055),r=e.mul(12.92),s=e.lessThanEqual(.0031308);return xu(t,r,s)}).setLayout({name:"sRGBTransferOETF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),Zu="WorkingColorSpace";class Ju extends fi{static get type(){return"ColorSpaceNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this.source=t,this.target=r}resolveColorSpace(e,t){return t===Zu?p.workingColorSpace:"OutputColorSpace"===t?e.context.outputColorSpace||e.renderer.outputColorSpace:t}setup(e){const{colorNode:t}=this,r=this.resolveColorSpace(e,this.source),s=this.resolveColorSpace(e,this.target);let i=t;return!1!==p.enabled&&r!==s&&r&&s?(p.getTransfer(r)===g&&(i=Ln(Qu(i.rgb),i.a)),p.getPrimaries(r)!==p.getPrimaries(s)&&(i=Ln(In(p._getMatrix(new n,r,s)).mul(i.rgb),i.a)),p.getTransfer(s)===g&&(i=Ln(Ku(i.rgb),i.a)),i):i}}const el=(e,t)=>new Ju(sn(e),Zu,t),tl=(e,t)=>new Ju(sn(e),t,Zu);Ai("workingToColorSpace",el),Ai("colorSpaceToWorking",tl);let rl=class extends gi{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}generateNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(),s=this.getNodeType();return e.format(t,r,s)}};class sl extends pi{static get type(){return"ReferenceBaseNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.updateType=ii.OBJECT}setGroup(e){return this.group=e,this}element(e){return new rl(this,sn(e))}setNodeType(e){const t=Aa(null,e);null!==this.group&&t.setGroup(this.group),this.node=t}generateNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;e<t.length;e++)r=r[t[e]];return r}updateReference(e){return this.reference=null!==this.object?this.object:e.object,this.reference}setup(){return this.updateValue(),this.node}update(){this.updateValue()}updateValue(){null===this.node&&this.setNodeType(this.uniformType);const e=this.getValueFromReference();Array.isArray(e)?this.node.array=e:this.node.value=e}}class il extends sl{static get type(){return"RendererReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.renderer=r,this.setGroup(Ra)}updateReference(e){return this.reference=null!==this.renderer?this.renderer:e.renderer,this.reference}}const nl=(e,t,r=null)=>new il(e,t,r);class al extends fi{static get type(){return"ToneMappingNode"}constructor(e,t=ul,r=null){super("vec3"),this._toneMapping=e,this.exposureNode=t,this.colorNode=r}customCacheKey(){return zs(this._toneMapping)}setToneMapping(e){return this._toneMapping=e,this}getToneMapping(){return this._toneMapping}setup(e){const t=this.colorNode||e.context.color,r=this._toneMapping;if(r===m)return t;let s=null;const i=e.renderer.library.getToneMappingFunction(r);return null!==i?s=Ln(i(t.rgb,this.exposureNode),t.a):(o("ToneMappingNode: Unsupported Tone Mapping configuration.",r),s=t),s}}const ol=(e,t,r)=>new al(e,sn(t),sn(r)),ul=nl("toneMappingExposure","float");Ai("toneMapping",(e,t,r)=>ol(t,r,e));const ll=new WeakMap;function dl(e,t){let r=ll.get(e);return void 0===r&&(r=new b(e,t),ll.set(e,r)),r}class cl extends vi{static get type(){return"BufferAttributeNode"}constructor(e,t=null,r=0,s=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferStride=r,this.bufferOffset=s,this.usage=f,this.instanced=!1,this.attribute=null,this.global=!0,e&&!0===e.isBufferAttribute&&e.itemSize<=4&&(this.attribute=e,this.usage=e.usage,this.instanced=e.isInstancedBufferAttribute)}getHash(e){let t;if(0===this.bufferStride&&0===this.bufferOffset){let r=e.globalCache.getData(this.value);void 0===r&&(r={node:this},e.globalCache.setData(this.value,r)),t=r.node.id}else t=this.id;return String(t)}generateNodeType(e){return null===this.bufferType&&(this.bufferType=e.getTypeFromAttribute(this.attribute)),this.bufferType}setup(e){if(null!==this.attribute)return;const t=this.getNodeType(e),r=e.getTypeLength(t),s=this.value,i=this.bufferStride||r,n=this.bufferOffset;let a;a=!0===s.isInterleavedBuffer?s:!0===s.isBufferAttribute?dl(s.array,i):dl(s,i);const o=new y(a,r,n);a.setUsage(this.usage),this.attribute=o,this.attribute.isInstancedBufferAttribute=this.instanced}generate(e){const t=this.getNodeType(e),r=e.context.nodeName;void 0!==r&&delete e.context.nodeName;const s=e.getBufferAttributeFromNode(this,t,r),i=e.getPropertyName(s);let n=null;if("vertex"===e.shaderStage||"compute"===e.shaderStage)this.name=i,n=i;else{let s;r&&(s=r+"Varying");n=Xu(this,s).build(e,t)}return n}getInputType(){return"bufferAttribute"}setUsage(e){return this.usage=e,this.attribute&&!0===this.attribute.isBufferAttribute&&(this.attribute.usage=e),this}setInstanced(e){return this.instanced=e,this}}function hl(e,t=null,r=0,s=0,i=f,n=!1){return"mat3"===t||null===t&&9===e.itemSize?In(new cl(e,"vec3",9,0).setUsage(i).setInstanced(n),new cl(e,"vec3",9,3).setUsage(i).setInstanced(n),new cl(e,"vec3",9,6).setUsage(i).setInstanced(n)):"mat4"===t||null===t&&16===e.itemSize?On(new cl(e,"vec4",16,0).setUsage(i).setInstanced(n),new cl(e,"vec4",16,4).setUsage(i).setInstanced(n),new cl(e,"vec4",16,8).setUsage(i).setInstanced(n),new cl(e,"vec4",16,12).setUsage(i).setInstanced(n)):new cl(e,t,r,s).setUsage(i)}const pl=(e,t=null,r=0,s=0)=>hl(e,t,r,s),gl=(e,t=null,r=0,s=0)=>hl(e,t,r,s,f,!0),ml=(e,t=null,r=0,s=0)=>hl(e,t,r,s,x,!0);Ai("toAttribute",e=>pl(e.value));class fl extends pi{static get type(){return"IndexNode"}constructor(e){super("uint"),this.scope=e,this.isIndexNode=!0}generate(e){const t=this.getNodeType(e),r=this.scope;let s,i;if(r===fl.VERTEX)s=e.getVertexIndex();else if(r===fl.INSTANCE)s=e.getInstanceIndex();else if(r===fl.DRAW)s=e.getDrawIndex();else if(r===fl.INVOCATION_LOCAL)s=e.getInvocationLocalIndex();else if(r===fl.INVOCATION_SUBGROUP)s=e.getInvocationSubgroupIndex();else{if(r!==fl.SUBGROUP)throw new Error("THREE.IndexNode: Unknown scope: "+r);s=e.getSubgroupIndex()}if("vertex"===e.shaderStage||"compute"===e.shaderStage)i=s;else{i=Xu(this).build(e,t)}return i}}fl.VERTEX="vertex",fl.INSTANCE="instance",fl.SUBGROUP="subgroup",fl.INVOCATION_LOCAL="invocationLocal",fl.INVOCATION_SUBGROUP="invocationSubgroup",fl.DRAW="draw";const yl=ln(fl,fl.VERTEX),bl=ln(fl,fl.INSTANCE),xl=ln(fl,fl.SUBGROUP),Tl=ln(fl,fl.INVOCATION_SUBGROUP),_l=ln(fl,fl.INVOCATION_LOCAL),vl=ln(fl,fl.DRAW);class Nl extends pi{static get type(){return"ComputeNode"}constructor(e,t){super("void"),this.isComputeNode=!0,this.computeNode=e,this.workgroupSize=t,this.count=null,this.dispatchSize=null,this.version=1,this.name="",this.updateBeforeType=ii.OBJECT,this.onInitFunction=null,this.countNode=null}dispose(){this.dispatchEvent({type:"dispose"})}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.',new Vs),this.setName(e)}onInit(e){return this.onInitFunction=e,this}updateBefore({renderer:e}){e.compute(this)}setup(e){null!==this.count&&null===this.countNode&&(this.countNode=Aa(this.count,"uint").onObjectUpdate(()=>this.count));const t=this.computeNode.build(e);if(t){e.getNodeProperties(this).outputComputeNode=t.outputNode,t.outputNode=null}return t}generate(e,t){const{shaderStage:r}=e;if("compute"===r){const t=this.computeNode.build(e,"void");if(""!==t&&e.addLineFlowCode(t,this),null!==this.count&&!0===e.allowEarlyReturns){const t=this.countNode.build(e,"uint"),r=bl.build(e,"uint");e.flow.code=`${e.tab}if ( ${r} >= ${t} ) { return; }\n\n${e.flow.code}`}}else{const r=e.getNodeProperties(this).outputComputeNode;if(r)return r.build(e,t)}}}const Sl=(e,t=[64])=>{(0===t.length||t.length>3)&&o("TSL: compute() workgroupSize must have 1, 2, or 3 elements",new Vs);for(let e=0;e<t.length;e++){const r=t[e];("number"!=typeof r||r<=0||!Number.isInteger(r))&&o(`TSL: compute() workgroupSize element at index [ ${e} ] must be a positive integer`,new Vs)}for(;t.length<3;)t.push(1);return new Nl(sn(e),t)},Rl=(e,t,r)=>{const s=Sl(e,r);return"number"==typeof t?s.count=t:s.dispatchSize=t,s};Ai("compute",Rl),Ai("computeKernel",Sl);class El extends pi{static get type(){return"IsolateNode"}constructor(e,t=!0){super(),this.node=e,this.parent=t,this.isIsolateNode=!0}generateNodeType(e){const t=e.getCache(),r=e.getCacheFromNode(this,this.parent);e.setCache(r);const s=this.node.getNodeType(e);return e.setCache(t),s}build(e,...t){const r=e.getCache(),s=e.getCacheFromNode(this,this.parent);e.setCache(s);const i=this.node.build(e,...t);return e.setCache(r),i}setParent(e){return this.parent=e,this}getParent(){return this.parent}}const wl=e=>new El(sn(e));function Al(e,t=!0){return d('TSL: "cache()" has been deprecated. Use "isolate()" instead.'),wl(e).setParent(t)}Ai("cache",Al),Ai("isolate",wl);class Cl extends pi{static get type(){return"BypassNode"}constructor(e,t){super(),this.isBypassNode=!0,this.outputNode=e,this.callNode=t}generateNodeType(e){return this.outputNode.getNodeType(e)}generate(e){const t=this.callNode.build(e,"void");return""!==t&&e.addLineFlowCode(t,this),this.outputNode.build(e)}}const Ml=un(Cl).setParameterLength(2);Ai("bypass",Ml);const Bl=gn(([e,t,r,s=Tn(0),i=Tn(1),n=Nn(!1)])=>{let a=e.sub(t).div(r.sub(t));return en(n)&&(a=a.clamp()),a.mul(i.sub(s)).add(s)});function Ll(e,t,r,s=Tn(0),i=Tn(1)){return Bl(e,t,r,s,i,!0)}Ai("remap",Bl),Ai("remapClamp",Ll);class Fl extends pi{static get type(){return"ExpressionNode"}constructor(e="",t="void"){super(t),this.snippet=e}generate(e,t){const r=this.getNodeType(e),s=this.snippet;if("void"!==r)return e.format(s,r,t);e.addLineFlowCode(s,this)}}const Pl=un(Fl).setParameterLength(1,2),Ul=e=>(e?Lu(e,Pl("discard")):Pl("discard")).toStack();Ai("discard",Ul);const Dl=gn(([e])=>Ln(e.rgb.mul(e.a),e.a),{color:"vec4",return:"vec4"}),Il=gn(([e])=>e.a.equal(0).select(Ln(0),Ln(e.rgb.div(e.a),e.a)),{color:"vec4",return:"vec4"});class Ol extends fi{static get type(){return"RenderOutputNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this._toneMapping=t,this.outputColorSpace=r,this.isRenderOutputNode=!0}setToneMapping(e){return this._toneMapping=e,this}getToneMapping(){return this._toneMapping}setup({context:e}){let t=this.colorNode||e.color;t=Ln(t.rgb,t.a.clamp(0,1)),t=Il(t);const r=(null!==this._toneMapping?this._toneMapping:e.toneMapping)||m,s=(null!==this.outputColorSpace?this.outputColorSpace:e.outputColorSpace)||T;return r!==m&&(t=t.toneMapping(r)),s!==T&&s!==p.workingColorSpace&&(t=t.workingToColorSpace(s)),t=Dl(t),t}}const Vl=(e,t=null,r=null)=>new Ol(sn(e),t,r);Ai("renderOutput",Vl);class kl extends fi{static get type(){return"DebugNode"}constructor(e,t=null){super(),this.node=e,this.callback=t}generateNodeType(e){return this.node.getNodeType(e)}setup(e){return this.node.build(e)}analyze(e){return this.node.build(e)}generate(e){const t=this.callback,r=this.node.build(e);if(null!==t)t(e,r);else{const t="--- TSL debug - "+e.shaderStage+" shader ---",s="-".repeat(t.length);let i="";i+="// #"+t+"#\n",i+=e.flow.code.replace(/^\t/gm,"")+"\n",i+="/* ... */ "+r+" /* ... */\n",i+="// #"+s+"#\n",_(i)}return r}}const Gl=(e,t=null)=>new kl(sn(e),t).toStack();Ai("debug",Gl);class $l extends u{constructor(){super(),this._renderer=null,this.currentFrame=null}get nodeFrame(){return this._renderer._nodes.nodeFrame}setRenderer(e){return this._renderer=e,this}getRenderer(){return this._renderer}init(){}begin(){}finish(){}inspect(){}computeAsync(){}beginCompute(){}finishCompute(){}beginRender(){}finishRender(){}copyTextureToTexture(){}copyFramebufferToTexture(){}}class zl extends pi{static get type(){return"InspectorNode"}constructor(e,t="",r=null){super(),this.node=e,this.name=t,this.callback=r,this.updateType=ii.FRAME,this.isInspectorNode=!0}getName(){return this.name||this.node.name}update(e){e.renderer.inspector.inspect(this)}generateNodeType(e){return this.node.getNodeType(e)}setup(e){let t=this.node;return!0===e.context.inspector&&null!==this.callback&&(t=this.callback(t)),!0!==e.renderer.backend.isWebGPUBackend&&e.renderer.inspector.constructor!==$l&&v('TSL: ".toInspector()" is only available with WebGPU.'),t}}function Wl(e,t="",r=null){return(e=sn(e)).before(new zl(e,t,r))}Ai("toInspector",Wl);class Hl extends pi{static get type(){return"AttributeNode"}constructor(e,t=null){super(t),this.global=!0,this._attributeName=e}getHash(e){return this.getAttributeName(e)}generateNodeType(e){let t=this.nodeType;if(null===t){const r=this.getAttributeName(e);if(e.hasGeometryAttribute(r)){const s=e.geometry.getAttribute(r);t=e.getTypeFromAttribute(s)}else t="float"}return t}setAttributeName(e){return this._attributeName=e,this}getAttributeName(){return this._attributeName}generate(e){const t=this.getAttributeName(e),r=this.getNodeType(e);if(!0===e.hasGeometryAttribute(t)){const s=e.geometry.getAttribute(t),i=e.getTypeFromAttribute(s),n=e.getAttribute(t,i);if("vertex"===e.shaderStage)return e.format(n.name,i,r);return Xu(this).build(e,r)}return d(`AttributeNode: Vertex attribute "${t}" not found on geometry.`),e.generateConst(r)}serialize(e){super.serialize(e),e.global=this.global,e._attributeName=this._attributeName}deserialize(e){super.deserialize(e),this.global=e.global,this._attributeName=e._attributeName}}const jl=(e,t=null)=>new Hl(e,t),ql=(e=0)=>jl("uv"+(e>0?e:""),"vec2");class Xl extends pi{static get type(){return"TextureSizeNode"}constructor(e,t=null){super("uvec2"),this.isTextureSizeNode=!0,this.textureNode=e,this.levelNode=t}generate(e,t){const r=this.textureNode.build(e,"property"),s=null===this.levelNode?"0":this.levelNode.build(e,"int");return e.format(`${e.getMethod("textureDimensions")}( ${r}, ${s} )`,this.getNodeType(e),t)}}const Yl=un(Xl).setParameterLength(1,2);class Ql extends wa{static get type(){return"MaxMipLevelNode"}constructor(e){super(0),this._textureNode=e,this.updateType=ii.FRAME}get textureNode(){return this._textureNode}get texture(){return this._textureNode.value}update(){const e=this.texture,t=e.images,r=t&&t.length>0?t[0]&&t[0].image||t[0]:e.image;if(r&&void 0!==r.width){const{width:e,height:t}=r;this.value=Math.log2(Math.max(e,t))}}}const Kl=un(Ql).setParameterLength(1);class Zl extends Error{constructor(e,t=null){super(e),this.name="NodeError",this.stackTrace=t}}const Jl=new N;class ed extends wa{static get type(){return"TextureNode"}constructor(e=Jl,t=null,r=null,s=null){super(e),this.isTextureNode=!0,this.uvNode=t,this.levelNode=r,this.biasNode=s,this.compareNode=null,this.depthNode=null,this.gradNode=null,this.gatherNode=null,this.offsetNode=null,this.sampler=!0,this.updateMatrix=!1,this.updateType=ii.NONE,this.referenceNode=null,this._value=e,this._matrixUniform=null,this._flipYUniform=null,this.setUpdateMatrix(null===t)}set value(e){this.referenceNode?this.referenceNode.value=e:this._value=e}get value(){return this.referenceNode?this.referenceNode.value:this._value}getUniformHash(){return this.value.uuid}generateNodeType(){return!0===this.value.isDepthTexture?null===this.gatherNode?"float":"vec4":this.value.type===S?"uvec4":this.value.type===R?"ivec4":"vec4"}getInputType(){return"texture"}getDefaultUV(){return ql(this.value.channel)}updateReference(){return this.value}getTransformedUV(e){return null===this._matrixUniform&&(this._matrixUniform=Aa(this.value.matrix)),this._matrixUniform.mul(An(e,1)).xy}setUpdateMatrix(e){return this.updateMatrix=e,this}setupUV(e,t){return e.isFlipY()&&(null===this._flipYUniform&&(this._flipYUniform=Aa(!1)),t=t.toVar(),t=this.sampler?this._flipYUniform.select(t.flipY(),t):this._flipYUniform.select(t.setY(_n(Yl(this,this.levelNode).y).sub(t.y).sub(1)),t)),t}setup(e){const t=e.getNodeProperties(this);t.referenceNode=this.referenceNode;const r=this.value;if(!r||!0!==r.isTexture)throw new Zl("THREE.TSL: `texture( value )` function expects a valid instance of THREE.Texture().",this.stackTrace);const s=gn(()=>{let t=this.uvNode;return null!==t&&!0!==e.context.forceUVContext||!e.context.getUV||(t=e.context.getUV(this,e)),t||(t=this.getDefaultUV()),!0===this.updateMatrix&&(t=this.getTransformedUV(t)),t=this.setupUV(e,t),this.updateType=null!==this._matrixUniform||null!==this._flipYUniform?ii.OBJECT:ii.NONE,t})();let i=this.levelNode;null===i&&e.context.getTextureLevel&&(i=e.context.getTextureLevel(this));let n=null,a=null;if(null!==this.compareNode)if(e.renderer.hasCompatibility(E.TEXTURE_COMPARE))n=this.compareNode;else{const e=r.compareFunction;null===e||e===w||e===A||e===C||e===M?a=this.compareNode:(n=this.compareNode,v('TSL: Only "LessCompare", "LessEqualCompare", "GreaterCompare" and "GreaterEqualCompare" are supported for depth texture comparison fallback.'))}t.uvNode=s,t.levelNode=i,t.biasNode=this.biasNode,t.compareNode=n,t.compareStepNode=a,t.gradNode=this.gradNode,t.gatherNode=this.gatherNode,t.depthNode=this.depthNode,t.offsetNode=this.offsetNode}generateUV(e,t){return t.build(e,!0===this.sampler?"vec2":"ivec2")}generateOffset(e,t){return t.build(e,"ivec2")}generateSnippet(e,t,r,s,i,n,a,o,u,l,d){const c=this.value;let h;return h=i?e.generateTextureBias(c,t,r,i,n,l):o?e.generateTextureGrad(c,t,r,o,n,l):u?a?e.generateTextureGatherCompare(c,t,r,a,n,l,d):e.generateTextureGather(c,t,r,u,n,l,d):a?e.generateTextureCompare(c,t,r,a,n,l):!1===this.sampler?e.generateTextureLoad(c,t,r,s,n,l):s?e.generateTextureLevel(c,t,r,s,n,l):e.generateTexture(c,t,r,n,l),h}generate(e,t){const r=this.value,s=e.getNodeProperties(this),i=super.generate(e,"property");if(/^sampler/.test(t))return i+"_sampler";if(e.isReference(t))return i;{const n=e.getDataFromNode(this);let a=this.getNodeType(e),o=n.propertyName;if(void 0===o){const{uvNode:t,levelNode:u,biasNode:l,compareNode:d,compareStepNode:c,depthNode:h,gradNode:p,gatherNode:g,offsetNode:m}=s,f=this.generateUV(e,t),y=u?u.build(e,"float"):null,b=l?l.build(e,"float"):null,x=h?h.build(e,"int"):null,T=d?d.build(e,"float"):null,_=c?c.build(e,"float"):null,v=p?[p[0].build(e,"vec2"),p[1].build(e,"vec2")]:null,N=g?g.build(e,"int"):null,S=m?this.generateOffset(e,m):null,R=this._flipYUniform?this._flipYUniform.build(e,"bool"):null;N&&(a="vec4");let E=x;null===E&&r.isArrayTexture&&!0!==this.isTexture3DNode&&(E="0");const w=e.getVarFromNode(this);o=e.getPropertyName(w);let A=this.generateSnippet(e,i,f,y,b,E,T,v,N,S,R);if(null!==_){const t=r.compareFunction;A=t===C||t===M?iu(Pl(A,a),Pl(_,"float")).build(e,a):iu(Pl(_,"float"),Pl(A,a)).build(e,a)}e.addLineFlowCode(`${o} = ${A}`,this),n.snippet=A,n.propertyName=o}let u=o;return e.needsToWorkingColorSpace(r)&&(u=tl(Pl(u,a),r.colorSpace).setup(e).build(e,a)),e.format(u,a,t)}}setSampler(e){return this.sampler=e,this}getSampler(){return this.sampler}sample(e){const t=this.clone();return t.uvNode=sn(e),t.referenceNode=this.getBase(),sn(t)}load(e){return this.sample(e).setSampler(!1)}blur(e){const t=this.clone();t.biasNode=sn(e).mul(Kl(t)),t.referenceNode=this.getBase();const r=t.value;return!1===t.generateMipmaps&&(r&&!1===r.generateMipmaps||r.minFilter===B||r.magFilter===B)&&(d("TSL: texture().blur() requires mipmaps and sampling. Use .generateMipmaps=true and .minFilter/.magFilter=THREE.LinearFilter in the Texture."),t.biasNode=null),sn(t)}level(e){const t=this.clone();return t.levelNode=sn(e),t.referenceNode=this.getBase(),sn(t)}size(e){return Yl(this,e)}bias(e){const t=this.clone();return t.biasNode=sn(e),t.referenceNode=this.getBase(),sn(t)}getBase(){return this.referenceNode?this.referenceNode.getBase():this}compare(e){const t=this.clone();return t.compareNode=sn(e),t.referenceNode=this.getBase(),sn(t)}grad(e,t){const r=this.clone();return r.gradNode=[sn(e),sn(t)],r.referenceNode=this.getBase(),sn(r)}gather(e=0){const t=this.clone();return t.gatherNode=sn(e),t.referenceNode=this.getBase(),sn(t)}depth(e){const t=this.clone();return t.depthNode=sn(e),t.referenceNode=this.getBase(),sn(t)}offset(e){const t=this.clone();return t.offsetNode=sn(e),t.referenceNode=this.getBase(),sn(t)}serialize(e){super.serialize(e),e.value=this.value.toJSON(e.meta).uuid,e.sampler=this.sampler,e.updateMatrix=this.updateMatrix,e.updateType=this.updateType}deserialize(e){super.deserialize(e),this.value=e.meta.textures[e.value],this.sampler=e.sampler,this.updateMatrix=e.updateMatrix,this.updateType=e.updateType}update(){const e=this.value,t=this._matrixUniform;null!==t&&(t.value=e.matrix),!0===e.matrixAutoUpdate&&e.updateMatrix();const r=this._flipYUniform;null!==r&&(r.value=e.image instanceof ImageBitmap&&!0===e.flipY||!0===e.isRenderTargetTexture||!0===e.isFramebufferTexture||!0===e.isDepthTexture)}clone(){const e=new this.constructor(this.value,this.uvNode,this.levelNode,this.biasNode);return e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.gatherNode=this.gatherNode,e.offsetNode=this.offsetNode,e}}const td=un(ed).setParameterLength(1,4).setName("texture"),rd=(e=Jl,t=null,r=null,s=null)=>{let i;return e&&!0===e.isTextureNode?(i=sn(e.clone()),i.referenceNode=e.getBase(),null!==t&&(i.uvNode=sn(t)),null!==r&&(i.levelNode=sn(r)),null!==s&&(i.biasNode=sn(s))):i=td(e,t,r,s),i},sd=(...e)=>rd(...e).setSampler(!1);class id extends wa{static get type(){return"BufferNode"}constructor(e,t,r=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferCount=r,this.updateRanges=[]}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}getElementType(e){return this.getNodeType(e)}getInputType(){return"buffer"}}const nd=(e,t,r)=>new id(e,t,r);class ad extends gi{static get type(){return"UniformArrayElementNode"}constructor(e,t){super(e,t),this.isArrayBufferElementNode=!0}generate(e){const t=super.generate(e),r=this.getNodeType(e),s=this.node.getPaddedType();return e.format(t,s,r)}}class od extends id{static get type(){return"UniformArrayNode"}constructor(e,t=null){super(null),this.array=e,this.elementType=null===t?Ks(e[0]):t,this.paddedType=this.getPaddedType(),this.updateType=ii.RENDER,this.isArrayBufferNode=!0}generateNodeType(){return this.paddedType}getElementType(){return this.elementType}getPaddedType(){const e=this.elementType;let t="vec4";return"mat2"===e?t="mat2":!0===/mat/.test(e)?t="mat4":"i"===e.charAt(0)?t="ivec4":"u"===e.charAt(0)&&(t="uvec4"),t}update(){const{array:e,value:t}=this,r=this.elementType;if("float"===r||"int"===r||"uint"===r)for(let r=0;r<e.length;r++){t[4*r]=e[r]}else if("color"===r)for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.r,t[s+1]=i.g,t[s+2]=i.b||0}else if("mat2"===r)for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.elements[0],t[s+1]=i.elements[1],t[s+2]=i.elements[2],t[s+3]=i.elements[3]}else if("mat3"===r)for(let r=0;r<e.length;r++){const s=16*r,i=e[r];t[s]=i.elements[0],t[s+1]=i.elements[1],t[s+2]=i.elements[2],t[s+4]=i.elements[3],t[s+5]=i.elements[4],t[s+6]=i.elements[5],t[s+8]=i.elements[6],t[s+9]=i.elements[7],t[s+10]=i.elements[8],t[s+15]=1}else if("mat4"===r)for(let r=0;r<e.length;r++){const s=16*r,i=e[r];for(let e=0;e<i.elements.length;e++)t[s+e]=i.elements[e]}else for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.x,t[s+1]=i.y,t[s+2]=i.z||0,t[s+3]=i.w||0}}setup(e){const t=this.array.length,r=this.elementType;let s=Float32Array;const i=this.paddedType,n=e.getTypeLength(i);return"i"===r.charAt(0)&&(s=Int32Array),"u"===r.charAt(0)&&(s=Uint32Array),this.value=new s(t*n),this.bufferCount=t,this.bufferType=i,this.update(),super.setup(e)}element(e){return new ad(this,sn(e))}}const ud=(e,t)=>new od(e,t);class ld extends pi{constructor(e){super("float"),this.name=e,this.isBuiltinNode=!0}generate(){return this.name}}const dd=un(ld).setParameterLength(1);let cd,hd;class pd extends pi{static get type(){return"ScreenNode"}constructor(e){super(),this.scope=e,this._output=null,this.isViewportNode=!0}generateNodeType(){return this.scope===pd.DPR?"float":this.scope===pd.VIEWPORT?"vec4":"vec2"}getUpdateType(){let e=ii.NONE;return this.scope!==pd.SIZE&&this.scope!==pd.VIEWPORT&&this.scope!==pd.DPR||(e=ii.RENDER),this.updateType=e,e}update({renderer:e}){const t=e.getRenderTarget();this.scope===pd.VIEWPORT?null!==t?hd.copy(t.viewport):(e.getViewport(hd),hd.multiplyScalar(e.getPixelRatio())):this.scope===pd.DPR?this._output.value=e.getPixelRatio():null!==t?(cd.width=t.width,cd.height=t.height):e.getDrawingBufferSize(cd)}setup(){const e=this.scope;let r=null;return r=e===pd.SIZE?Aa(cd||(cd=new t)):e===pd.VIEWPORT?Aa(hd||(hd=new s)):e===pd.DPR?Aa(1):Sn(yd.div(fd)),this._output=r,r}generate(e){if(this.scope===pd.COORDINATE){let t=e.getFragCoord();if(e.isFlipY()){const r=e.getNodeProperties(fd).outputNode.build(e);t=`${e.getType("vec2")}( ${t}.x, ${r}.y - ${t}.y )`}return t}return super.generate(e)}}pd.COORDINATE="coordinate",pd.VIEWPORT="viewport",pd.SIZE="size",pd.UV="uv",pd.DPR="dpr";const gd=ln(pd,pd.DPR),md=ln(pd,pd.UV),fd=ln(pd,pd.SIZE),yd=ln(pd,pd.COORDINATE),bd=ln(pd,pd.VIEWPORT),xd=bd.zw,Td=yd.sub(bd.xy),_d=Td.div(xd),vd=gn(()=>(d('TSL: "viewportResolution" is deprecated. Use "screenSize" instead.',new Vs),fd),"vec2").once()();let Nd=null,Sd=null,Rd=null,Ed=null,wd=null,Ad=null,Cd=null,Md=null,Bd=null,Ld=null,Fd=null,Pd=null,Ud=null,Dd=null;const Id=Aa(0,"uint").setName("u_cameraIndex").setGroup(Na("cameraIndex")).toVarying("v_cameraIndex"),Od=Aa("float").setName("cameraNear").setGroup(Ra).onRenderUpdate(({camera:e})=>e.near),Vd=Aa("float").setName("cameraFar").setGroup(Ra).onRenderUpdate(({camera:e})=>e.far),kd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.projectionMatrix);null===Sd?Sd=ud(r).setGroup(Ra).setName("cameraProjectionMatrices"):Sd.array=r,t=Sd.element(e.isMultiViewCamera?dd("gl_ViewID_OVR"):Id).toConst("cameraProjectionMatrix")}else null===Nd&&(Nd=Aa(e.projectionMatrix).setName("cameraProjectionMatrix").setGroup(Ra).onRenderUpdate(({camera:e})=>e.projectionMatrix)),t=Nd;return t}).once()(),Gd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.projectionMatrixInverse);null===Ed?Ed=ud(r).setGroup(Ra).setName("cameraProjectionMatricesInverse"):Ed.array=r,t=Ed.element(e.isMultiViewCamera?dd("gl_ViewID_OVR"):Id).toConst("cameraProjectionMatrixInverse")}else null===Rd&&(Rd=Aa(e.projectionMatrixInverse).setName("cameraProjectionMatrixInverse").setGroup(Ra).onRenderUpdate(({camera:e})=>e.projectionMatrixInverse)),t=Rd;return t}).once()(),$d=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.matrixWorldInverse);null===Ad?Ad=ud(r).setGroup(Ra).setName("cameraViewMatrices"):Ad.array=r,t=Ad.element(e.isMultiViewCamera?dd("gl_ViewID_OVR"):Id).toConst("cameraViewMatrix")}else null===wd&&(wd=Aa(e.matrixWorldInverse).setName("cameraViewMatrix").setGroup(Ra).onRenderUpdate(({camera:e})=>e.matrixWorldInverse)),t=wd;return t}).once()(),zd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.matrixWorld);null===Md?Md=ud(r).setGroup(Ra).setName("cameraWorldMatrices"):Md.array=r,t=Md.element(e.isMultiViewCamera?dd("gl_ViewID_OVR"):Id).toConst("cameraWorldMatrix")}else null===Cd&&(Cd=Aa(e.matrixWorld).setName("cameraWorldMatrix").setGroup(Ra).onRenderUpdate(({camera:e})=>e.matrixWorld)),t=Cd;return t}).once()(),Wd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.normalMatrix);null===Ld?Ld=ud(r).setGroup(Ra).setName("cameraNormalMatrices"):Ld.array=r,t=Ld.element(e.isMultiViewCamera?dd("gl_ViewID_OVR"):Id).toConst("cameraNormalMatrix")}else null===Bd&&(Bd=Aa(e.normalMatrix).setName("cameraNormalMatrix").setGroup(Ra).onRenderUpdate(({camera:e})=>e.normalMatrix)),t=Bd;return t}).once()(),Hd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const s=[];for(let t=0,i=e.cameras.length;t<i;t++)s.push(new r);null===Pd?Pd=ud(s).setGroup(Ra).setName("cameraPositions").onRenderUpdate(({camera:e},t)=>{const r=e.cameras,s=t.array;for(let e=0,t=r.length;e<t;e++)s[e].setFromMatrixPosition(r[e].matrixWorld)}):Pd.array=s,t=Pd.element(e.isMultiViewCamera?dd("gl_ViewID_OVR"):Id).toConst("cameraPosition")}else null===Fd&&(Fd=Aa(new r).setName("cameraPosition").setGroup(Ra).onRenderUpdate(({camera:e},t)=>t.value.setFromMatrixPosition(e.matrixWorld))),t=Fd;return t}).once()(),jd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.viewport);null===Dd?Dd=ud(r,"vec4").setGroup(Ra).setName("cameraViewports"):Dd.array=r,t=Dd.element(Id).toConst("cameraViewport")}else null===Ud&&(Ud=Ln(0,0,fd.x,fd.y).toConst("cameraViewport")),t=Ud;return t}).once()(),qd=new L;class Xd extends pi{static get type(){return"Object3DNode"}constructor(e,t=null){super(),this.scope=e,this.object3d=t,this.updateType=ii.OBJECT,this.uniformNode=new wa(null)}generateNodeType(){const e=this.scope;return e===Xd.WORLD_MATRIX?"mat4":e===Xd.POSITION||e===Xd.VIEW_POSITION||e===Xd.DIRECTION||e===Xd.SCALE?"vec3":e===Xd.RADIUS?"float":void 0}update(e){const t=this.object3d,s=this.uniformNode,i=this.scope;if(i===Xd.WORLD_MATRIX)s.value=t.matrixWorld;else if(i===Xd.POSITION)s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld);else if(i===Xd.SCALE)s.value=s.value||new r,s.value.setFromMatrixScale(t.matrixWorld);else if(i===Xd.DIRECTION)s.value=s.value||new r,t.getWorldDirection(s.value);else if(i===Xd.VIEW_POSITION){const i=e.camera;s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld),s.value.applyMatrix4(i.matrixWorldInverse)}else if(i===Xd.RADIUS){const r=e.object.geometry;null===r.boundingSphere&&r.computeBoundingSphere(),qd.copy(r.boundingSphere).applyMatrix4(t.matrixWorld),s.value=qd.radius}}generate(e){const t=this.scope;return t===Xd.WORLD_MATRIX?this.uniformNode.nodeType="mat4":t===Xd.POSITION||t===Xd.VIEW_POSITION||t===Xd.DIRECTION||t===Xd.SCALE?this.uniformNode.nodeType="vec3":t===Xd.RADIUS&&(this.uniformNode.nodeType="float"),this.uniformNode.build(e)}serialize(e){super.serialize(e),e.scope=this.scope}deserialize(e){super.deserialize(e),this.scope=e.scope}}Xd.WORLD_MATRIX="worldMatrix",Xd.POSITION="position",Xd.SCALE="scale",Xd.VIEW_POSITION="viewPosition",Xd.DIRECTION="direction",Xd.RADIUS="radius";const Yd=un(Xd,Xd.DIRECTION).setParameterLength(1),Qd=un(Xd,Xd.WORLD_MATRIX).setParameterLength(1),Kd=un(Xd,Xd.POSITION).setParameterLength(1),Zd=un(Xd,Xd.SCALE).setParameterLength(1),Jd=un(Xd,Xd.VIEW_POSITION).setParameterLength(1),ec=un(Xd,Xd.RADIUS).setParameterLength(1);class tc extends Xd{static get type(){return"ModelNode"}constructor(e){super(e)}update(e){this.object3d=e.object,super.update(e)}}const rc=ln(tc,tc.DIRECTION),sc=ln(tc,tc.WORLD_MATRIX),ic=ln(tc,tc.POSITION),nc=ln(tc,tc.SCALE),ac=ln(tc,tc.VIEW_POSITION),oc=ln(tc,tc.RADIUS),uc=Aa(new n).onObjectUpdate(({object:e},t)=>t.value.getNormalMatrix(e.matrixWorld)),lc=Aa(new a).onObjectUpdate(({object:e},t)=>t.value.copy(e.matrixWorld).invert()),dc=gn(e=>e.context.modelViewMatrix||cc).once()().toVar("modelViewMatrix"),cc=$d.mul(sc),hc=gn(e=>(e.context.isHighPrecisionModelViewMatrix=!0,Aa("mat4").onObjectUpdate(({object:e,camera:t})=>e.modelViewMatrix.multiplyMatrices(t.matrixWorldInverse,e.matrixWorld)))).once()().toVar("highpModelViewMatrix"),pc=gn(e=>{const t=e.context.isHighPrecisionModelViewMatrix;return Aa("mat3").onObjectUpdate(({object:e,camera:r})=>(!0!==t&&e.modelViewMatrix.multiplyMatrices(r.matrixWorldInverse,e.matrixWorld),e.normalMatrix.getNormalMatrix(e.modelViewMatrix)))}).once()().toVar("highpModelNormalViewMatrix"),gc=gn(e=>"fragment"!==e.shaderStage?(v("TSL: `clipSpace` is only available in fragment stage."),Ln()):e.context.clipSpace.toVarying("v_clipSpace")).once()(),mc=jl("position","vec3"),fc=mc.toVarying("positionLocal"),yc=mc.toVarying("positionPrevious"),bc=gn(e=>sc.mul(fc).xyz.toVarying(e.getSubBuildProperty("v_positionWorld")),"vec3").once(["POSITION"])(),xc=gn(()=>fc.transformDirection(sc).toVarying("v_positionWorldDirection").normalize().toVar("positionWorldDirection"),"vec3").once(["POSITION"])(),Tc=gn(e=>{if("fragment"===e.shaderStage&&e.material.vertexNode){const e=Gd.mul(gc);return e.xyz.div(e.w).toVar("positionView")}return e.context.setupPositionView().toVarying("v_positionView")},"vec3").once(["POSITION","VERTEX"])(),_c=gn(e=>{let t;return t=e.camera.isOrthographicCamera?An(0,0,1):Tc.negate().toVarying("v_positionViewDirection").normalize(),t.toVar("positionViewDirection")},"vec3").once(["POSITION"])();class vc extends pi{static get type(){return"FrontFacingNode"}constructor(){super("bool"),this.isFrontFacingNode=!0}generate(e){if("fragment"!==e.shaderStage)return"true";const{material:t}=e;return t.side===F?"false":e.getFrontFacing()}}const Nc=ln(vc),Sc=Tn(Nc).mul(2).sub(1),Rc=gn(([e],{material:t})=>{const r=t.side;return r===F?e=e.mul(-1):r===P&&(e=e.mul(Sc)),e}),Ec=jl("normal","vec3"),wc=gn(e=>!1===e.geometry.hasAttribute("normal")?(d('TSL: Vertex attribute "normal" not found on geometry.'),An(0,1,0)):Ec,"vec3").once()().toVar("normalLocal"),Ac=Tc.dFdx().cross(Tc.dFdy()).normalize().toVar("normalFlat"),Cc=gn(e=>{let t;return t=e.isFlatShading()?Ac:Uc(wc).toVarying("v_normalViewGeometry").normalize(),t},"vec3").once()().toVar("normalViewGeometry"),Mc=gn(e=>{let t=Cc.transformNormalByInverseViewMatrix($d);return!0!==e.isFlatShading()&&(t=t.toVarying("v_normalWorldGeometry")),t.normalize().toVar("normalWorldGeometry")},"vec3").once()(),Bc=gn(e=>{let t;return"NORMAL"===e.subBuildFn||"VERTEX"===e.subBuildFn?(t=Cc,!0!==e.isFlatShading()&&(t=Rc(t))):t=e.context.setupNormal().context({getUV:null,getTextureLevel:null}),t},"vec3").once(["NORMAL","VERTEX"])().toVar("normalView"),Lc=Bc.transformNormalByInverseViewMatrix($d).toVar("normalWorld"),Fc=gn(({subBuildFn:e,context:t})=>{let r;return r="NORMAL"===e||"VERTEX"===e?Bc:t.setupClearcoatNormal().context({getUV:null,getTextureLevel:null}),r},"vec3").once(["NORMAL","VERTEX"])().toVar("clearcoatNormalView"),Pc=gn(([e,t=sc])=>In(t).inverse().transpose().mul(e).normalize());Ai("transformNormal",Pc);const Uc=gn(([e],t)=>{const r=t.context.modelNormalViewMatrix;if(r)return e.transformNormalByViewMatrix(r);return uc.mul(e).transformNormalByViewMatrix($d)}),Dc=gn(()=>(d('TSL: "transformedNormalView" is deprecated. Use "normalView" instead.'),Bc)).once(["NORMAL","VERTEX"])(),Ic=gn(()=>(d('TSL: "transformedNormalWorld" is deprecated. Use "normalWorld" instead.'),Lc)).once(["NORMAL","VERTEX"])(),Oc=gn(()=>(d('TSL: "transformedClearcoatNormalView" is deprecated. Use "clearcoatNormalView" instead.'),Fc)).once(["NORMAL","VERTEX"])(),Vc=new a,kc=Aa(0).onReference(({material:e})=>e).onObjectUpdate(({material:e})=>e.refractionRatio),Gc=Aa(1).onReference(({material:e})=>e).onObjectUpdate(function({material:e,scene:t}){return e.envMap?e.envMapIntensity:t.environmentIntensity}),$c=Aa(new a).onReference(function(e){return e.material}).onObjectUpdate(function({material:e,scene:t}){const r=null!==t.environment&&null===e.envMap?t.environmentRotation:e.envMapRotation;return r?Vc.makeRotationFromEuler(r).transpose():Vc.identity(),Vc}),zc=_c.negate().reflect(Bc),Wc=_c.negate().refract(Bc,kc),Hc=zc.transformDirection(zd).toVar("reflectVector"),jc=Wc.transformDirection(zd).toVar("refractVector"),qc=new U;class Xc extends ed{static get type(){return"CubeTextureNode"}constructor(e,t=null,r=null,s=null){super(e,t,r,s),this.isCubeTextureNode=!0}getInputType(){return!0===this.value.isDepthTexture?"cubeDepthTexture":"cubeTexture"}getDefaultUV(){const e=this.value;return e.mapping===D?Hc:e.mapping===I?jc:(o('CubeTextureNode: Mapping "%s" not supported.',e.mapping),An(0,0,0))}setUpdateMatrix(){}setupUV(e,t){const r=this.value;return!0===r.isDepthTexture?e.renderer.coordinateSystem===h?An(t.x,t.y.negate(),t.z):t:(t=$c.mul(t),e.renderer.coordinateSystem!==h&&r.isRenderTargetTexture||(t=An(t.x.negate(),t.yz)),t)}generateUV(e,t){return t.build(e,!0===this.sampler?"vec3":"ivec3")}}const Yc=un(Xc).setParameterLength(1,4).setName("cubeTexture"),Qc=(e=qc,t=null,r=null,s=null)=>{let i;return e&&!0===e.isCubeTextureNode?(i=sn(e.clone()),i.referenceNode=e,null!==t&&(i.uvNode=sn(t)),null!==r&&(i.levelNode=sn(r)),null!==s&&(i.biasNode=sn(s))):i=Yc(e,t,r,s),i};class Kc extends gi{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}generateNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(e),s=this.getNodeType(e);return e.format(t,r,s)}}class Zc extends pi{static get type(){return"ReferenceNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.name=null,this.updateType=ii.OBJECT}element(e){return new Kc(this,sn(e))}setGroup(e){return this.group=e,this}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.'),this.setName(e)}setNodeType(e){let t=null;t=null!==this.count?nd(null,e,this.count):Array.isArray(this.getValueFromReference())?ud(null,e):"texture"===e?rd(null):"cubeTexture"===e?Qc(null):Aa(null,e),null!==this.group&&t.setGroup(this.group),null!==this.name&&t.setName(this.name),this.node=t}generateNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;e<t.length;e++)r=r[t[e]];return r}updateReference(e){return this.reference=null!==this.object?this.object:e.object,this.reference}setup(){return this.updateValue(),this.node}update(){this.updateValue()}updateValue(){null===this.node&&this.setNodeType(this.uniformType);const e=this.getValueFromReference();Array.isArray(e)?this.node.array=e:this.node.value=e}}const Jc=(e,t,r)=>new Zc(e,t,r),eh=(e,t,r,s)=>new Zc(e,t,s,r);class th extends Zc{static get type(){return"MaterialReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.material=r,this.isMaterialReferenceNode=!0}updateReference(e){return this.reference=null!==this.material?this.material:e.material,this.reference}}const rh=(e,t,r=null)=>new th(e,t,r),sh=ql(),ih=Tc.dFdx(),nh=Tc.dFdy(),ah=sh.dFdx(),oh=sh.dFdy(),uh=Bc,lh=nh.cross(uh),dh=uh.cross(ih),ch=lh.mul(ah.x).add(dh.mul(oh.x)),hh=lh.mul(ah.y).add(dh.mul(oh.y)),ph=ch.dot(ch).max(hh.dot(hh)),gh=ph.equal(0).select(0,ph.inverseSqrt()),mh=ch.mul(gh).toVar("tangentViewFrame"),fh=hh.mul(gh).toVar("bitangentViewFrame"),yh=jl("tangent","vec4"),bh=yh.xyz.toVar("tangentLocal"),xh=gn(e=>{let t;return t="VERTEX"===e.subBuildFn||e.geometry.hasAttribute("tangent")?dc.mul(Ln(bh,0)).xyz.toVarying("v_tangentView").normalize():mh,!0!==e.isFlatShading()&&(t=Rc(t)),t},"vec3").once(["NORMAL","VERTEX"])().toVar("tangentView"),Th=xh.transformDirection(zd).toVarying("v_tangentWorld").normalize().toVar("tangentWorld"),_h=gn(([e,t],r)=>{let s=e.mul(yh.w).xyz;return"NORMAL"===r.subBuildFn&&!0!==r.isFlatShading()&&(s=s.toVarying(t)),s}).once(["NORMAL"]),vh=_h(Ec.cross(yh),"v_bitangentGeometry").normalize().toVar("bitangentGeometry"),Nh=_h(wc.cross(bh),"v_bitangentLocal").normalize().toVar("bitangentLocal"),Sh=gn(e=>{let t;return t="VERTEX"===e.subBuildFn||e.geometry.hasAttribute("tangent")?_h(Bc.cross(xh),"v_bitangentView").normalize():fh,!0!==e.isFlatShading()&&(t=Rc(t)),t},"vec3").once(["NORMAL","VERTEX"])().toVar("bitangentView"),Rh=_h(Lc.cross(Th),"v_bitangentWorld").normalize().toVar("bitangentWorld"),Eh=In(xh,Sh,Bc).toVar("TBNViewMatrix"),wh=_c.mul(Eh),Ah=gn(()=>{let e=na.cross(_c);return e=e.cross(na).normalize(),e=xu(e,Bc,sa.mul(qn.oneMinus()).oneMinus().pow2().pow2()).normalize(),e}).once()(),Ch=e=>sn(e).mul(.5).add(.5),Mh=e=>sn(e).mul(2).sub(1),Bh=e=>An(e,So(_u(Tn(1).sub(uu(e,e)))));class Lh extends fi{static get type(){return"NormalMapNode"}constructor(e,t=null){super("vec3"),this.node=e,this.scaleNode=t,this.normalMapType=O,this.unpackNormalMode=V}setup(e){const{normalMapType:t,scaleNode:r,unpackNormalMode:s}=this;let i=this.node.mul(2).sub(1);if(t===O?s===k?i=Bh(i.xy):s===G?i=Bh(i.yw):s!==V&&o(`THREE.NodeMaterial: Unexpected unpack normal mode: ${s}`):s!==V&&o(`THREE.NodeMaterial: Normal map type '${t}' is not compatible with unpack normal mode '${s}'`),null!==r){let t=r;!0===e.isFlatShading()&&(t=Rc(t)),i=An(i.xy.mul(t),i.z)}let n=null;return t===$?n=Uc(i):t===O?n=Eh.mul(i).normalize():(o(`NodeMaterial: Unsupported normal map type: ${t}`),n=Bc),n}}const Fh=un(Lh).setParameterLength(1,2),Ph=gn(({textureNode:e,bumpScale:t})=>{const r=t=>e.isolate().context({getUV:e=>t(e.uvNode||ql()),forceUVContext:!0}),s=Tn(r(e=>e));return Sn(Tn(r(e=>e.add(e.dFdx()))).sub(s),Tn(r(e=>e.add(e.dFdy()))).sub(s)).mul(t)}),Uh=gn(e=>{const{surf_pos:t,surf_norm:r,dHdxy:s}=e,i=t.dFdx().normalize(),n=r,a=t.dFdy().normalize().cross(n),o=n.cross(i),u=i.dot(a).mul(Sc),l=u.sign().mul(s.x.mul(a).add(s.y.mul(o)));return u.abs().mul(r).sub(l).normalize()});class Dh extends fi{static get type(){return"BumpMapNode"}constructor(e,t=null){super("vec3"),this.textureNode=e,this.scaleNode=t}setup(){const e=null!==this.scaleNode?this.scaleNode:1,t=Ph({textureNode:this.textureNode,bumpScale:e});return Uh({surf_pos:Tc,surf_norm:Bc,dHdxy:t})}}const Ih=un(Dh).setParameterLength(1,2),Oh=new Map;class Vh extends pi{static get type(){return"MaterialNode"}constructor(e){super(),this.scope=e}getCache(e,t){let r=Oh.get(e);return void 0===r&&(r=rh(e,t),Oh.set(e,r)),r}getFloat(e){return this.getCache(e,"float")}getColor(e){return this.getCache(e,"color")}getTexture(e){return this.getCache("map"===e?"map":e+"Map","texture")}setup(e){const t=e.context.material,r=this.scope;let s=null;if(r===Vh.COLOR){const e=void 0!==t.color?this.getColor(r):An();s=t.map&&!0===t.map.isTexture?e.mul(this.getTexture("map")):e}else if(r===Vh.OPACITY){const e=this.getFloat(r);s=t.alphaMap&&!0===t.alphaMap.isTexture?e.mul(this.getTexture("alpha")):e}else if(r===Vh.SPECULAR_STRENGTH)s=t.specularMap&&!0===t.specularMap.isTexture?this.getTexture("specular").r:Tn(1);else if(r===Vh.SPECULAR_INTENSITY){const e=this.getFloat(r);s=t.specularIntensityMap&&!0===t.specularIntensityMap.isTexture?e.mul(this.getTexture(r).a):e}else if(r===Vh.SPECULAR_COLOR){const e=this.getColor(r);s=t.specularColorMap&&!0===t.specularColorMap.isTexture?e.mul(this.getTexture(r).rgb):e}else if(r===Vh.ROUGHNESS){const e=this.getFloat(r);s=t.roughnessMap&&!0===t.roughnessMap.isTexture?e.mul(this.getTexture(r).g):e}else if(r===Vh.METALNESS){const e=this.getFloat(r);s=t.metalnessMap&&!0===t.metalnessMap.isTexture?e.mul(this.getTexture(r).b):e}else if(r===Vh.EMISSIVE){const e=this.getFloat("emissiveIntensity"),i=this.getColor(r).mul(e);s=t.emissiveMap&&!0===t.emissiveMap.isTexture?i.mul(this.getTexture(r)):i}else if(r===Vh.NORMAL)t.normalMap?(s=Fh(this.getTexture("normal"),this.getCache("normalScale","vec2")),s.normalMapType=t.normalMapType,t.normalMap.format!=z&&t.normalMap.format!=W&&t.normalMap.format!=H||(s.unpackNormalMode=k)):s=t.bumpMap?Ih(this.getTexture("bump").r,this.getFloat("bumpScale")):Bc;else if(r===Vh.CLEARCOAT){const e=this.getFloat(r);s=t.clearcoatMap&&!0===t.clearcoatMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===Vh.CLEARCOAT_ROUGHNESS){const e=this.getFloat(r);s=t.clearcoatRoughnessMap&&!0===t.clearcoatRoughnessMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===Vh.CLEARCOAT_NORMAL)s=t.clearcoatNormalMap?Fh(this.getTexture(r),this.getCache(r+"Scale","vec2")):Bc;else if(r===Vh.SHEEN){const e=this.getColor("sheenColor").mul(this.getFloat("sheen"));s=t.sheenColorMap&&!0===t.sheenColorMap.isTexture?e.mul(this.getTexture("sheenColor").rgb):e}else if(r===Vh.SHEEN_ROUGHNESS){const e=this.getFloat(r);s=t.sheenRoughnessMap&&!0===t.sheenRoughnessMap.isTexture?e.mul(this.getTexture(r).a):e,s=s.clamp(1e-4,1)}else if(r===Vh.ANISOTROPY)if(t.anisotropyMap&&!0===t.anisotropyMap.isTexture){const e=this.getTexture(r);s=Dn(Np.x,Np.y,Np.y.negate(),Np.x).mul(e.rg.mul(2).sub(Sn(1)).normalize().mul(e.b))}else s=Np;else if(r===Vh.IRIDESCENCE_THICKNESS){const e=Jc("1","float",t.iridescenceThicknessRange);if(t.iridescenceThicknessMap){const i=Jc("0","float",t.iridescenceThicknessRange);s=e.sub(i).mul(this.getTexture(r).g).add(i)}else s=e}else if(r===Vh.TRANSMISSION){const e=this.getFloat(r);s=t.transmissionMap?e.mul(this.getTexture(r).r):e}else if(r===Vh.THICKNESS){const e=this.getFloat(r);s=t.thicknessMap?e.mul(this.getTexture(r).g):e}else if(r===Vh.IOR)s=this.getFloat(r);else if(r===Vh.LIGHT_MAP)s=t.lightMap?this.getTexture(r).rgb.mul(this.getFloat("lightMapIntensity")):An(0);else if(r===Vh.AO)s=t.aoMap?this.getTexture(r).r.sub(1).mul(this.getFloat("aoMapIntensity")).add(1):Tn(1);else if(r===Vh.LINE_DASH_OFFSET)s=t.dashOffset?this.getFloat(r):Tn(0);else{const t=this.getNodeType(e);s=this.getCache(r,t)}return s}}Vh.ALPHA_TEST="alphaTest",Vh.COLOR="color",Vh.OPACITY="opacity",Vh.SHININESS="shininess",Vh.SPECULAR="specular",Vh.SPECULAR_STRENGTH="specularStrength",Vh.SPECULAR_INTENSITY="specularIntensity",Vh.SPECULAR_COLOR="specularColor",Vh.REFLECTIVITY="reflectivity",Vh.ROUGHNESS="roughness",Vh.METALNESS="metalness",Vh.NORMAL="normal",Vh.CLEARCOAT="clearcoat",Vh.CLEARCOAT_ROUGHNESS="clearcoatRoughness",Vh.CLEARCOAT_NORMAL="clearcoatNormal",Vh.EMISSIVE="emissive",Vh.ROTATION="rotation",Vh.SHEEN="sheen",Vh.SHEEN_ROUGHNESS="sheenRoughness",Vh.ANISOTROPY="anisotropy",Vh.IRIDESCENCE="iridescence",Vh.IRIDESCENCE_IOR="iridescenceIOR",Vh.IRIDESCENCE_THICKNESS="iridescenceThickness",Vh.IOR="ior",Vh.TRANSMISSION="transmission",Vh.THICKNESS="thickness",Vh.ATTENUATION_DISTANCE="attenuationDistance",Vh.ATTENUATION_COLOR="attenuationColor",Vh.LINE_SCALE="scale",Vh.LINE_DASH_SIZE="dashSize",Vh.LINE_GAP_SIZE="gapSize",Vh.LINE_WIDTH="linewidth",Vh.LINE_DASH_OFFSET="dashOffset",Vh.POINT_SIZE="size",Vh.DISPERSION="dispersion",Vh.LIGHT_MAP="light",Vh.AO="ao";const kh=ln(Vh,Vh.ALPHA_TEST),Gh=ln(Vh,Vh.COLOR),$h=ln(Vh,Vh.SHININESS),zh=ln(Vh,Vh.EMISSIVE),Wh=ln(Vh,Vh.OPACITY),Hh=ln(Vh,Vh.SPECULAR),jh=ln(Vh,Vh.SPECULAR_INTENSITY),qh=ln(Vh,Vh.SPECULAR_COLOR),Xh=ln(Vh,Vh.SPECULAR_STRENGTH),Yh=ln(Vh,Vh.REFLECTIVITY),Qh=ln(Vh,Vh.ROUGHNESS),Kh=ln(Vh,Vh.METALNESS),Zh=ln(Vh,Vh.NORMAL),Jh=ln(Vh,Vh.CLEARCOAT),ep=ln(Vh,Vh.CLEARCOAT_ROUGHNESS),tp=ln(Vh,Vh.CLEARCOAT_NORMAL),rp=ln(Vh,Vh.ROTATION),sp=ln(Vh,Vh.SHEEN),ip=ln(Vh,Vh.SHEEN_ROUGHNESS),np=ln(Vh,Vh.ANISOTROPY),ap=ln(Vh,Vh.IRIDESCENCE),op=ln(Vh,Vh.IRIDESCENCE_IOR),up=ln(Vh,Vh.IRIDESCENCE_THICKNESS),lp=ln(Vh,Vh.TRANSMISSION),dp=ln(Vh,Vh.THICKNESS),cp=ln(Vh,Vh.IOR),hp=ln(Vh,Vh.ATTENUATION_DISTANCE),pp=ln(Vh,Vh.ATTENUATION_COLOR),gp=ln(Vh,Vh.LINE_SCALE),mp=ln(Vh,Vh.LINE_DASH_SIZE),fp=ln(Vh,Vh.LINE_GAP_SIZE),yp=ln(Vh,Vh.LINE_WIDTH),bp=ln(Vh,Vh.LINE_DASH_OFFSET),xp=ln(Vh,Vh.POINT_SIZE),Tp=ln(Vh,Vh.DISPERSION),_p=ln(Vh,Vh.LIGHT_MAP),vp=ln(Vh,Vh.AO),Np=Aa(new t).onReference(function(e){return e.material}).onRenderUpdate(function({material:e}){this.value.set(e.anisotropy*Math.cos(e.anisotropyRotation),e.anisotropy*Math.sin(e.anisotropyRotation))}),Sp=gn(e=>e.context.setupModelViewProjection(),"vec4").once()().toVarying("v_modelViewProjection");class Rp extends pi{static get type(){return"EventNode"}constructor(e,t){super("void"),this.eventType=e,this.callback=t,e===Rp.OBJECT?this.updateType=ii.OBJECT:e===Rp.MATERIAL?this.updateType=ii.RENDER:e===Rp.FRAME?this.updateType=ii.FRAME:e===Rp.BEFORE_OBJECT?this.updateBeforeType=ii.OBJECT:e===Rp.BEFORE_MATERIAL?this.updateBeforeType=ii.RENDER:e===Rp.BEFORE_FRAME&&(this.updateBeforeType=ii.FRAME)}update(e){this.callback(e)}updateBefore(e){this.callback(e)}}Rp.OBJECT="object",Rp.MATERIAL="material",Rp.FRAME="frame",Rp.BEFORE_OBJECT="beforeObject",Rp.BEFORE_MATERIAL="beforeMaterial",Rp.BEFORE_FRAME="beforeFrame";const Ep=(e,t)=>new Rp(e,t).toStack(),wp=e=>Ep(Rp.OBJECT,e),Ap=e=>Ep(Rp.FRAME,e);class Cp extends gi{static get type(){return"StorageArrayElementNode"}constructor(e,t){super(e,t),this.isStorageArrayElementNode=!0}set storageBufferNode(e){this.node=e}get storageBufferNode(){return this.node}getMemberType(e,t){const r=this.storageBufferNode.structTypeNode;return r?r.getMemberType(e,t):"void"}setup(e){return!1===e.isAvailable("storageBuffer")&&!0===this.node.isPBO&&e.setupPBO(this.node),super.setup(e)}generate(e,t){let r;const s=e.isContextAssign();if(r=!1===e.isAvailable("storageBuffer")?!0!==this.node.isPBO||!0===s||!this.node.value.isInstancedBufferAttribute&&"compute"===e.shaderStage?this.node.build(e):e.generatePBO(this):super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}const Mp=un(Cp).setParameterLength(2);class Bp extends id{static get type(){return"StorageBufferNode"}constructor(e,t=null,r=0){let s,i=null;t&&t.isStructTypeNode?(s="struct",i=t,(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)&&(r=e.count)):null===t&&(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)?(s=js(e.itemSize),r=e.count):s=t,super(e,s,r),this.isStorageBufferNode=!0,this.structTypeNode=i,this.access=ai.READ_WRITE,this.isAtomic=!1,this.isPBO=!1,this._attribute=null,this._varying=null,this.global=!0,!0!==e.isStorageBufferAttribute&&!0!==e.isStorageInstancedBufferAttribute&&(e.isInstancedBufferAttribute?e.isStorageInstancedBufferAttribute=!0:e.isStorageBufferAttribute=!0)}getHash(e){let t;if(0===this.bufferCount){let r=e.globalCache.getData(this.value);void 0===r&&(r={node:this},e.globalCache.setData(this.value,r)),t=r.node.id}else t=this.id;return String(t)}getInputType(){return this.value.isIndirectStorageBufferAttribute?"indirectStorageBuffer":"storageBuffer"}element(e){return Mp(this,e)}setPBO(e){return this.isPBO=e,this}getPBO(){return this.isPBO}setAccess(e){return this.access=e,this}toReadOnly(){return this.setAccess(ai.READ_ONLY)}setAtomic(e){return this.isAtomic=e,this}toAtomic(){return this.setAtomic(!0)}getAttributeData(){return null===this._attribute&&(this._attribute=pl(this.value),this._varying=Xu(this._attribute)),{attribute:this._attribute,varying:this._varying}}generateNodeType(e){if(null!==this.structTypeNode)return this.structTypeNode.getNodeType(e);if(e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.generateNodeType(e);const{attribute:t}=this.getAttributeData();return t.getNodeType(e)}getMemberType(e,t){return null!==this.structTypeNode?this.structTypeNode.getMemberType(e,t):"void"}generate(e){if(null!==this.structTypeNode&&this.structTypeNode.build(e),e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.generate(e);const{attribute:t,varying:r}=this.getAttributeData(),s=r.build(e);return e.registerTransform(s,t),s}}const Lp=(e,t=null,r=0)=>new Bp(e,t,r),Fp=new WeakMap,Pp=new WeakMap,Up=new WeakMap;function Dp(e,t,r){let s;if(!0===t.isStorageInstancedBufferAttribute)s=Lp(t,"mat4",Math.max(r,1)).element(bl);else{if(16*r*4<=e.getUniformBufferLimit())s=nd(t.array,"mat4",Math.max(r,1)).element(bl);else{let e=Fp.get(t);e||(e=new q(t.array,16,1),Fp.set(t,e));const r=t.usage===x?ml:gl,i=[r(e,"vec4",16,0),r(e,"vec4",16,4),r(e,"vec4",16,8),r(e,"vec4",16,12)];s=On(...i)}}return s}const Ip=zn("vec3","vInstanceColor"),Op=gn(([e,t,r=null],s)=>{e=e.value;const i=!0===t.isStorageInstancedBufferAttribute,n=r&&!0===r.isStorageInstancedBufferAttribute,a=Dp(s,t,e);let o=null;if(!i){16*e*4>s.getUniformBufferLimit()&&(o=Fp.get(t))}let u=null,l=null;if(r)if(n)u=Lp(r,"vec3",Math.max(r.count,1)).element(bl);else{let e=Pp.get(r);e||(e=new j(r.array,3),Pp.set(r,e)),l=e;const t=r.usage===x?ml:gl;u=An(t(e,"vec3",3,0))}null===o&&null===l||Ap(()=>{null!==o&&(o.clearUpdateRanges(),o.updateRanges.push(...t.updateRanges),t.version!==o.version&&(o.version=t.version)),r&&null!==l&&(l.clearUpdateRanges(),l.updateRanges.push(...r.updateRanges),r.version!==l.version&&(l.version=r.version))});const d=a.mul(fc).xyz;if(fc.assign(d),s.needsPreviousData()){const r=s.object;wp(({object:e})=>{Up.get(e).previousInstanceMatrix.array.set(t.array)});const i=function(e,t,r,s){let i=Up.get(e);if(void 0===i){const n=t.clone();i={previousInstanceMatrix:n,node:Dp(r,n,s)},Up.set(e,i)}return i.node}(r,t,s,e);yc.assign(i.mul(yc).xyz)}if(s.hasGeometryAttribute("normal")){const e=Pc(wc,a);wc.assign(e)}null!==u&&Ip.assign(u)},"void"),Vp=gn(([e])=>{const{count:t,instanceMatrix:r,instanceColor:s}=e;Op(t,r,s)},"void"),kp=gn(([e,t])=>{const r=_n(Yl(sd(e),0).x).toConst(),s=_n(t),i=s.mod(r).toConst(),n=s.div(r).toConst();return sd(e,Rn(i,n)).rgb}),Gp=gn(([e,t])=>{const r=_n(Yl(sd(e),0).x).toConst(),s=_n(t).mod(r).toConst(),i=_n(t).div(r).toConst();return sd(e,Rn(s,i)).x}),$p=zn("vec3","vBatchColor"),zp=gn(([e],t)=>{const r=null===t.getDrawIndex()?bl:vl,s=Gp(e._indirectTexture,_n(r)),i=e._matricesTexture,n=_n(Yl(sd(i),0).x).toConst(),a=Tn(s).mul(4).toInt().toConst(),o=a.mod(n).toConst(),u=a.div(n).toConst(),l=On(sd(i,Rn(o,u)),sd(i,Rn(o.add(1),u)),sd(i,Rn(o.add(2),u)),sd(i,Rn(o.add(3),u))),d=e._colorsTexture;if(null!==d){const e=kp(d,s);$p.assign(e)}const c=In(l);fc.assign(l.mul(fc));const h=wc.div(An(c[0].dot(c[0]),c[1].dot(c[1]),c[2].dot(c[2]))),p=c.mul(h).xyz;wc.assign(p),t.hasGeometryAttribute("tangent")&&bh.mulAssign(c)},"void"),Wp=new WeakMap,Hp=new WeakMap;function jp(e,t,r,s,i,n){const a=e.element(i.x),o=e.element(i.y),u=e.element(i.z),l=e.element(i.w),d=r.mul(t),c=Ia(a.mul(n.x).mul(d),o.mul(n.y).mul(d),u.mul(n.z).mul(d),l.mul(n.w).mul(d));return s.mul(c).xyz}function qp(e,t,r,s,i,n,a){const o=e.element(n.x),u=e.element(n.y),l=e.element(n.z),d=e.element(n.w);let c=Ia(a.x.mul(o),a.y.mul(u),a.z.mul(l),a.w.mul(d));c=i.mul(c).mul(s);return{skinNormal:c.transformDirection(t).xyz,skinTangent:c.transformDirection(r).xyz}}function Xp(e,t,r,s,i){const n=e.skeleton;let a=Hp.get(n);if(void 0===a){n.update();const e=new Float32Array(n.boneMatrices);a={previousBoneMatrices:e,node:nd(e,"mat4",n.bones.length)},Hp.set(n,a)}return jp(a.node,yc,t,r,s,i)}const Yp=gn(([e],t)=>{const r=jl("skinIndex","uvec4"),s=jl("skinWeight","vec4"),i=Jc("bindMatrix","mat4"),n=Jc("bindMatrixInverse","mat4"),a=eh("skeleton.boneMatrices","mat4",e.skeleton.bones.length);if(wp(({object:e,frameId:t})=>{const r=e.skeleton;if(Wp.get(r)!==t){Wp.set(r,t);const e=Hp.get(r);void 0!==e&&e.previousBoneMatrices.set(r.boneMatrices),r.update()}}),t.needsPreviousData()){const t=Xp(e,i,n,r,s);yc.assign(t)}const o=jp(a,fc,i,n,r,s);if(fc.assign(o),t.hasGeometryAttribute("normal")){const{skinNormal:e,skinTangent:o}=qp(a,wc,bh,i,n,r,s);wc.assign(e),t.hasGeometryAttribute("tangent")&&bh.assign(o)}},"void"),Qp=gn(([e,t=null],r)=>{const s=Lp(new j(e.geometry.getAttribute("position").array,3),"vec3").setPBO(!0).toReadOnly().element(bl).toVar(),i=Lp(new j(new Uint32Array(e.geometry.getAttribute("skinIndex").array),4),"uvec4").setPBO(!0).toReadOnly().element(bl).toVar(),n=Lp(new j(e.geometry.getAttribute("skinWeight").array,4),"vec4").setPBO(!0).toReadOnly().element(bl).toVar(),a=Aa(e.bindMatrix,"mat4"),o=Aa(e.bindMatrixInverse,"mat4"),u=nd(e.skeleton.boneMatrices,"mat4",e.skeleton.bones.length),l=e.skeleton;if(wp(({frameId:e})=>{if(Wp.get(l)!==e){Wp.set(l,e);const t=Hp.get(l);void 0!==t&&t.previousBoneMatrices.set(l.boneMatrices),l.update()}}),r.needsPreviousData()){const t=Xp(e,a,o,i,n);yc.assign(t)}const d=jp(u,s,a,o,i,n);if(null!==t&&t.assign(d),r.hasGeometryAttribute("normal")){const{skinNormal:e,skinTangent:t}=qp(u,wc,bh,a,o,i,n);wc.assign(e),r.hasGeometryAttribute("tangent")&&bh.assign(t)}return d});class Kp extends pi{static get type(){return"LoopNode"}constructor(e=[]){super("void"),this.params=e}getVarName(e){return String.fromCharCode("i".charCodeAt(0)+e)}getProperties(e){const t=e.getNodeProperties(this);if(void 0!==t.stackNode)return t;const r={};for(let e=0,t=this.params.length-1;e<t;e++){const t=this.params[e],s=!0!==t.isNode&&t.name||this.getVarName(e),i=!0!==t.isNode&&t.type||"int";r[s]=Pl(s,i)}const s=e.addStack(),i=this.params[this.params.length-1](r);t.returnsNode=i.context({nodeLoop:i}),t.stackNode=s;const n=this.params[0];if(!0!==n.isNode&&"function"==typeof n.update){const e=gn(this.params[0].update)(r);t.updateNode=e.context({nodeLoop:e})}return e.removeStack(),t}setup(e){if(this.getProperties(e),e.fnCall){e.getDataFromNode(e.fnCall.shaderNode).hasLoop=!0}}generate(e){const t=this.getProperties(e),r=this.params,s=t.stackNode;for(let s=0,i=r.length-1;s<i;s++){const i=r[s];let n,a=!1,u=null,l=null,d=null,c=null,h=null,p=null;if(i.isNode?"bool"===i.getNodeType(e)?(a=!0,c="bool",l=i.build(e,c)):(c="int",d=this.getVarName(s),u="0",l=i.build(e,c),h="<"):(c=i.type||"int",d=i.name||this.getVarName(s),u=i.start,l=i.end,h=i.condition,p=i.update,"number"==typeof u?u=e.generateConst(c,u):u&&u.isNode&&(u=u.build(e,c)),"number"==typeof l?l=e.generateConst(c,l):l&&l.isNode&&(l=l.build(e,c)),void 0!==u&&void 0===l?(u+=" - 1",l="0",h=">="):void 0!==l&&void 0===u&&(u="0",h="<"),void 0===h&&(h=Number(u)>Number(l)?">=":"<")),a)n=`while ( ${l} )`;else{const r={start:u,end:l},s=r.start,i=r.end;let a;const g=()=>h.includes("<")?"+=":"-=";if(null!=p)switch(typeof p){case"function":a=e.flowStagesNode(t.updateNode,"void").code.replace(/\t|;/g,"");break;case"number":a=d+" "+g()+" "+e.generateConst(c,p);break;case"string":a=d+" "+p;break;default:p.isNode?a=d+" "+g()+" "+p.build(e):(o("TSL: 'Loop( { update: ... } )' is not a function, string or number.",this.stackTrace),a="break /* invalid update */")}else p="int"===c||"uint"===c?h.includes("<")?"++":"--":g()+" 1.",a=d+" "+p;n=`for ( ${e.getVar(c,d)+" = "+s}; ${d+" "+h+" "+i}; ${a} )`}e.addFlowCode((0===s?"\n":"")+e.tab+n+" {\n\n").addFlowTab()}const i=s.build(e,"void");t.returnsNode.build(e,"void"),e.removeFlowTab().addFlowCode("\n"+e.tab+i);for(let t=0,r=this.params.length-1;t<r;t++)e.addFlowCode((0===t?"":e.tab)+"}\n\n").removeFlowTab();e.addFlowTab()}}const Zp=(...e)=>new Kp(on(e,"int")).toStack(),Jp=()=>Pl("break").toStack(),eg=new WeakMap,tg=new s,rg=new WeakMap,sg=gn(({bufferMap:e,influence:t,stride:r,width:s,depth:i,offset:n})=>{const a=_n(yl).mul(r).add(n),o=a.div(s),u=a.sub(o.mul(s));return sd(e,Rn(u,o)).depth(i).xyz.mul(t)});const ig=Jc("morphTargetInfluences","float"),ng=gn(([e])=>{const{geometry:r}=e,s=void 0!==r.morphAttributes.position,i=r.hasAttribute("normal")&&void 0!==r.morphAttributes.normal,n=r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color,a=void 0!==n?n.length:0;if(0===a)return;let o=rg.get(e);o||(o=Aa(1),rg.set(e,o),wp(({object:e})=>{e.geometry.morphTargetsRelative?o.value=1:o.value=1-e.morphTargetInfluences.reduce((e,t)=>e+t,0)}));const{texture:u,stride:l,size:d}=function(e){const r=void 0!==e.morphAttributes.position,s=void 0!==e.morphAttributes.normal,i=void 0!==e.morphAttributes.color,n=e.morphAttributes.position||e.morphAttributes.normal||e.morphAttributes.color,a=void 0!==n?n.length:0;let o=eg.get(e);if(void 0===o||o.count!==a){void 0!==o&&o.texture.dispose();const u=e.morphAttributes.position||[],l=e.morphAttributes.normal||[],d=e.morphAttributes.color||[];let c=0;!0===r&&(c=1),!0===s&&(c=2),!0===i&&(c=3);let h=e.attributes.position.count*c,p=1;const g=4096;h>g&&(p=Math.ceil(h/g),h=g);const m=new Float32Array(h*p*4*a),f=new X(m,h,p,a);f.type=Y,f.needsUpdate=!0;const y=4*c;for(let x=0;x<a;x++){const T=u[x],_=l[x],v=d[x],N=h*p*4*x;for(let S=0;S<T.count;S++){const R=S*y;!0===r&&(tg.fromBufferAttribute(T,S),m[N+R+0]=tg.x,m[N+R+1]=tg.y,m[N+R+2]=tg.z,m[N+R+3]=0),!0===s&&(tg.fromBufferAttribute(_,S),m[N+R+4]=tg.x,m[N+R+5]=tg.y,m[N+R+6]=tg.z,m[N+R+7]=0),!0===i&&(tg.fromBufferAttribute(v,S),m[N+R+8]=tg.x,m[N+R+9]=tg.y,m[N+R+10]=tg.z,m[N+R+11]=4===v.itemSize?tg.w:1)}}function b(){f.dispose(),eg.delete(e),e.removeEventListener("dispose",b)}o={count:a,texture:f,stride:c,size:new t(h,p)},eg.set(e,o),e.addEventListener("dispose",b)}return o}(r);!0===s&&fc.mulAssign(o),!0===i&&wc.mulAssign(o);const c=_n(d.width);Zp(a,({i:t})=>{const r=Tn(0).toVar();e.count>1&&null!==e.morphTexture&&void 0!==e.morphTexture?r.assign(sd(e.morphTexture,Rn(_n(t).add(1),_n(bl))).r):r.assign(ig.element(t).toVar()),yn(r.notEqual(0),()=>{!0===s&&fc.addAssign(sg({bufferMap:u,influence:r,stride:l,width:c,depth:t,offset:_n(0)})),!0===i&&wc.addAssign(sg({bufferMap:u,influence:r,stride:l,width:c,depth:t,offset:_n(1)}))})})},"void");class ag extends pi{static get type(){return"LightingNode"}constructor(){super("vec3"),this.isLightingNode=!0}}class og extends ag{static get type(){return"AONode"}constructor(e=null){super(),this.aoNode=e}setup(e){e.context.ambientOcclusion.mulAssign(this.aoNode)}}class ug extends Fu{static get type(){return"LightingContextNode"}constructor(e,t=null,r=[],s=null,i=null){super(e),this.lightingModel=t,this.materialLightings=r,this.backdropNode=s,this.backdropAlphaNode=i,this._value=null}getContext(){const{materialLightings:e,backdropNode:t,backdropAlphaNode:r}=this,s={directDiffuse:An().toVar("directDiffuse"),directSpecular:An().toVar("directSpecular"),indirectDiffuse:An().toVar("indirectDiffuse"),indirectSpecular:An().toVar("indirectSpecular")};return{radiance:An().toVar("radiance"),irradiance:An().toVar("irradiance"),iblIrradiance:An().toVar("iblIrradiance"),ambientOcclusion:Tn(1).toVar("ambientOcclusion"),reflectedLight:s,materialLightings:e,backdrop:t,backdropAlpha:r}}setup(e){return this.value=this._value||(this._value=this.getContext()),this.value.lightingModel=this.lightingModel||e.context.lightingModel,super.setup(e)}}const lg=un(ug);class dg extends ag{static get type(){return"IrradianceNode"}constructor(e){super(),this.node=e}setup(e){e.context.irradiance.addAssign(this.node)}}const cg=new t;class hg extends ed{static get type(){return"ViewportTextureNode"}constructor(e=md,t=null,r=null){let s=null;null===r?(s=new Q,s.minFilter=K,r=s):s=r,super(r,e,t),this.generateMipmaps=!1,this.defaultFramebuffer=s,this.isOutputTextureNode=!0,this.updateBeforeType=ii.RENDER,this._cacheTextures=new WeakMap}getTextureForReference(e=null){let t,r;if(this.referenceNode?(t=this.referenceNode.defaultFramebuffer,r=this.referenceNode._cacheTextures):(t=this.defaultFramebuffer,r=this._cacheTextures),null===e)return t;if(!1===r.has(e)){const s=t.clone();r.set(e,s)}return r.get(e)}updateReference(e){const t=e.renderer,r=t.getRenderTarget(),s=t.getCanvasTarget(),i=r||s;return this.value=this.getTextureForReference(i),this.value}updateBefore(e){const t=e.renderer,r=t.getRenderTarget(),s=t.getCanvasTarget(),i=r||s;null===i?t.getDrawingBufferSize(cg):i.getDrawingBufferSize?i.getDrawingBufferSize(cg):cg.set(i.width,i.height);const n=this.getTextureForReference(i);n.image.width===cg.width&&n.image.height===cg.height||(n.image.width=cg.width,n.image.height=cg.height,n.needsUpdate=!0);const a=n.generateMipmaps;n.generateMipmaps=this.generateMipmaps,t.copyFramebufferToTexture(n),n.generateMipmaps=a}clone(){const e=new this.constructor(this.uvNode,this.levelNode,this.value);return e.generateMipmaps=this.generateMipmaps,e}}const pg=un(hg).setParameterLength(0,3),gg=un(hg,null,null,{generateMipmaps:!0}).setParameterLength(0,3),mg=gg(),fg=(e=md,t=null)=>mg.sample(e,t);let yg=null;class bg extends hg{static get type(){return"ViewportDepthTextureNode"}constructor(e=md,t=null,r=null){null===r&&(null===yg&&(yg=new Z),r=yg),super(e,t,r)}}const xg=un(bg).setParameterLength(0,3);class Tg extends pi{static get type(){return"ViewportDepthNode"}constructor(e,t=null){super("float"),this.scope=e,this.valueNode=t,this.isViewportDepthNode=!0}generate(e){const{scope:t}=this;return t===Tg.DEPTH_BASE?e.getFragDepth():super.generate(e)}setup({camera:e}){const{scope:t}=this,r=this.valueNode;let s=null;if(t===Tg.DEPTH_BASE)null!==r&&(s=wg().assign(r));else if(t===Tg.DEPTH)s=e.isPerspectiveCamera?Ng(Tc.z,Od,Vd):_g(Tc.z,Od,Vd);else if(t===Tg.LINEAR_DEPTH)if(null!==r)if(e.isPerspectiveCamera){const e=Rg(r,Od,Vd);s=_g(e,Od,Vd)}else s=r;else s=_g(Tc.z,Od,Vd);return s}}Tg.DEPTH_BASE="depthBase",Tg.DEPTH="depth",Tg.LINEAR_DEPTH="linearDepth";const _g=(e,t,r)=>e.add(t).div(t.sub(r)),vg=gn(([e,t,r],s)=>!0===s.renderer.reversedDepthBuffer?r.sub(t).mul(e).sub(r):t.sub(r).mul(e).sub(t)),Ng=(e,t,r)=>t.add(e).mul(r).div(r.sub(t).mul(e)),Sg=(e,t,r)=>t.mul(e.add(r)).div(e.mul(t.sub(r))),Rg=gn(([e,t,r],s)=>!0===s.renderer.reversedDepthBuffer?t.mul(r).div(t.sub(r).mul(e).sub(t)):t.mul(r).div(r.sub(t).mul(e).sub(r))),Eg=(e,t,r)=>{t=t.max(1e-6).toVar();const s=No(e.negate().div(t)),i=No(r.div(t));return s.div(i)},wg=un(Tg,Tg.DEPTH_BASE),Ag=ln(Tg,Tg.DEPTH),Cg=un(Tg,Tg.LINEAR_DEPTH).setParameterLength(0,1),Mg=Cg(xg());Ag.assign=e=>wg(e);class Bg extends pi{static get type(){return"ClippingNode"}constructor(e=Bg.DEFAULT){super(),this.scope=e}setup(e){super.setup(e);const t=e.clippingContext,{intersectionPlanes:r,unionPlanes:s}=t;return this.hardwareClipping=e.hardwareClipping,this.scope===Bg.ALPHA_TO_COVERAGE?this.setupAlphaToCoverage(r,s):this.scope===Bg.HARDWARE?this.setupHardwareClipping(s,e):this.setupDefault(r,s)}setupAlphaToCoverage(e,t){return gn(()=>{const r=Tn().toVar("distanceToPlane"),s=Tn().toVar("distanceToGradient"),i=Tn(1).toVar("clipOpacity"),n=t.length;if(!1===this.hardwareClipping&&n>0){const e=ud(t).setGroup(Ra);Zp(n,({i:t})=>{const n=e.element(t);r.assign(Tc.dot(n.xyz).negate().add(n.w)),s.assign(r.fwidth().div(2)),i.mulAssign(Nu(s.negate(),s,r))})}const a=e.length;if(a>0){const t=ud(e).setGroup(Ra),n=Tn(1).toVar("intersectionClipOpacity");Zp(a,({i:e})=>{const i=t.element(e);r.assign(Tc.dot(i.xyz).negate().add(i.w)),s.assign(r.fwidth().div(2)),n.mulAssign(Nu(s.negate(),s,r).oneMinus())}),i.mulAssign(n.oneMinus())}Wn.a.mulAssign(i),Wn.a.equal(0).discard()})()}setupDefault(e,t){return gn(()=>{const r=t.length;if(!1===this.hardwareClipping&&r>0){const e=ud(t).setGroup(Ra);Zp(r,({i:t})=>{const r=e.element(t);Tc.dot(r.xyz).greaterThan(r.w).discard()})}const s=e.length;if(s>0){const t=ud(e).setGroup(Ra),r=Nn(!0).toVar("clipped");Zp(s,({i:e})=>{const s=t.element(e);r.assign(Tc.dot(s.xyz).greaterThan(s.w).and(r))}),r.discard()}})()}setupHardwareClipping(e,t){const r=e.length;return t.enableHardwareClipping(r),gn(()=>{const s=ud(e).setGroup(Ra),i=dd(t.getClipDistance());Zp(r,({i:e})=>{const t=s.element(e),r=Tc.dot(t.xyz).sub(t.w).negate();i.element(e).assign(r)})})()}}Bg.ALPHA_TO_COVERAGE="alphaToCoverage",Bg.DEFAULT="default",Bg.HARDWARE="hardware";const Lg=gn(([e])=>Co(Va(1e4,Mo(Va(17,e.x).add(Va(.1,e.y)))).mul(Ia(.1,$o(Mo(Va(13,e.y).add(e.x))))))),Fg=gn(([e])=>Lg(Sn(Lg(e.xy),e.z))),Pg=gn(([e])=>{const t=su(Wo(qo(e.xyz)),Wo(Xo(e.xyz))),r=Tn(1).div(Tn(.05).mul(t)).toVar("pixScale"),s=Sn(_o(Eo(No(r))),_o(wo(No(r)))),i=Sn(Fg(Eo(s.x.mul(e.xyz))),Fg(Eo(s.y.mul(e.xyz)))),n=Co(No(r)),a=Ia(Va(n.oneMinus(),i.x),Va(n,i.y)),o=ru(n,n.oneMinus()),u=An(a.mul(a).div(Va(2,o).mul(Oa(1,o))),a.sub(Va(.5,o)).div(Oa(1,o)),Oa(1,Oa(1,a).mul(Oa(1,a)).div(Va(2,o).mul(Oa(1,o))))),l=a.lessThan(o.oneMinus()).select(a.lessThan(o).select(u.x,u.y),u.z);return Tu(l,1e-6,1)}).setLayout({name:"getAlphaHashThreshold",type:"float",inputs:[{name:"position",type:"vec3"}]});class Ug extends Hl{static get type(){return"VertexColorNode"}constructor(e){super(null,"vec4"),this.isVertexColorNode=!0,this.index=e}getAttributeName(){const e=this.index;return"color"+(e>0?e:"")}generate(e){const t=this.getAttributeName(e);let r;return r=!0===e.hasGeometryAttribute(t)?super.generate(e):e.generateConst(this.nodeType,new s(1,1,1,1)),r}serialize(e){super.serialize(e),e.index=this.index}deserialize(e){super.deserialize(e),this.index=e.index}}const Dg=(e=0)=>new Ug(e);class Ig extends J{static get type(){return"NodeMaterial"}get type(){return this.constructor.type}set type(e){}constructor(){super(),this.isNodeMaterial=!0,this.fog=!0,this.lights=!1,this.lightsNode=null,this.envNode=null,this.aoNode=null,this.colorNode=null,this.normalNode=null,this.opacityNode=null,this.backdropNode=null,this.backdropAlphaNode=null,this.alphaTestNode=null,this.maskNode=null,this.maskShadowNode=null,this.positionNode=null,this.geometryNode=null,this.depthNode=null,this.receivedShadowPositionNode=null,this.castShadowPositionNode=null,this.receivedShadowNode=null,this.castShadowNode=null,this.outputNode=null,this.mrtNode=null,this.fragmentNode=null,this.vertexNode=null,this.contextNode=null}_getNodeChildren(){const e=[];for(const t of Object.getOwnPropertyNames(this)){if(!0===t.startsWith("_"))continue;const r=this[t];r&&!0===r.isNode&&e.push({property:t,childNode:r})}return e}customProgramCacheKey(){const e=[];for(const{property:t,childNode:r}of this._getNodeChildren())e.push(Gs(t.slice(0,-4)),r.getCacheKey());return this.type+$s(e)}build(e){this.setup(e)}setupObserver(e){return new Is(e)}setup(e){e.context.setupNormal=()=>ju(this.setupNormal(e),"NORMAL","vec3"),e.context.setupPositionView=()=>this.setupPositionView(e),e.context.setupModelViewProjection=()=>this.setupModelViewProjection(e);const t=e.renderer,r=t.getRenderTarget();e.addStack();const s=this.setupVertex(e),i=ju(this.vertexNode||s,"VERTEX");let n;e.context.clipSpace=i,e.stack.outputNode=i,this.setupHardwareClipping(e),null!==this.geometryNode&&(e.stack.outputNode=e.stack.outputNode.bypass(this.geometryNode)),e.addFlow("vertex",e.removeStack()),e.addStack();const a=this.setupClipping(e);if(!0!==this.depthWrite&&!0!==this.depthTest||(null!==r?!0===r.depthBuffer&&this.setupDepth(e):!0===t.depth&&this.setupDepth(e)),null===this.fragmentNode){this.setupDiffuseColor(e),this.setupAmbientOcclusion(e),this.setupVariants(e);const s=this.setupLighting(e);null!==a&&e.stack.addToStack(a);const i=Ln(s,Wn.a).max(0);n=this.setupOutput(e,i),da.assign(n);const o=null!==this.outputNode;if(o&&(n=this.outputNode),e.context.getOutput&&(n=e.context.getOutput(n,e)),null!==r){const e=t.getMRT(),r=this.mrtNode;null!==e?(o&&da.assign(n),n=e,null!==r&&(n=e.merge(r))):null!==r&&(n=r)}}else{let t=this.fragmentNode;!0!==t.isOutputStructNode&&(t=t.convert(e.getOutputType())),n=this.setupOutput(e,t)}e.stack.outputNode=n,e.addFlow("fragment",e.removeStack()),e.observer=this.setupObserver(e)}setupClipping(e){if(null===e.clippingContext)return null;const{unionPlanes:t,intersectionPlanes:r}=e.clippingContext;let s=null;if(t.length>0||r.length>0){const t=e.renderer.currentSamples;this.alphaToCoverage&&t>1?s=new Bg(Bg.ALPHA_TO_COVERAGE):e.stack.addToStack(new Bg)}return s}setupHardwareClipping(e){if(e.hardwareClipping=!1,null===e.clippingContext)return;const t=e.clippingContext.unionPlanes.length;t>0&&t<=8&&e.isAvailable("clipDistance")&&(e.stack.addToStack(new Bg(Bg.HARDWARE)),e.hardwareClipping=!0)}setupDepth(e){const{renderer:t,camera:r}=e;let s=this.depthNode;if(null===s){const e=t.getMRT();e&&e.has("depth")?s=e.get("depth"):!0===t.logarithmicDepthBuffer&&(s=r.isPerspectiveCamera?Eg(Tc.z,Od,Vd):_g(Tc.z,Od,Vd))}null!==s&&Ag.assign(s).toStack()}setupPositionView(){return dc.mul(fc).xyz}setupModelViewProjection(){return kd.mul(Tc)}setupVertex(e){return e.addStack(),this.setupPosition(e),e.context.position=e.removeStack(),Sp}setupPosition(e){const{object:t,geometry:r}=e;if((r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color)&&ng(t),!0===t.isSkinnedMesh&&Yp(t),this.displacementMap){const e=rh("displacementMap","texture"),t=rh("displacementScale","float"),r=rh("displacementBias","float");fc.addAssign(wc.normalize().mul(e.x.mul(t).add(r)))}return t.isBatchedMesh&&zp(t),t.isInstancedMesh&&t.instanceMatrix&&!0===t.instanceMatrix.isInstancedBufferAttribute&&Vp(t),null!==this.positionNode&&fc.assign(ju(this.positionNode,"POSITION","vec3")),fc}setupDiffuseColor(e){const{object:t,geometry:r}=e;null!==this.maskNode&&Nn(this.maskNode).not().discard();let s=this.colorNode?Ln(this.colorNode):Gh;!0===this.vertexColors&&r.hasAttribute("color")&&(s=s.mul(Dg())),t.instanceColor&&(s=Ip.mul(s)),t.isBatchedMesh&&t._colorsTexture&&(s=$p.mul(s)),Wn.assign(s);const i=this.opacityNode?Tn(this.opacityNode):Wh;Wn.a.assign(Wn.a.mul(i));let n=null;(null!==this.alphaTestNode||this.alphaTest>0)&&(n=null!==this.alphaTestNode?Tn(this.alphaTestNode):kh,!0===this.alphaToCoverage?(Wn.a=Nu(n,n.add(Zo(Wn.a)),Wn.a),Wn.a.lessThanEqual(0).discard()):Wn.a.lessThanEqual(n).discard()),!0===this.alphaHash&&Wn.a.lessThan(Pg(fc)).discard(),e.isOpaque()&&Wn.a.assign(1)}setupVariants(){}setupOutgoingLight(){return!0===this.lights?An(0):Wn.rgb}setupNormal(){return this.normalNode?An(this.normalNode):Zh}setupEnvironment(){let e=null;return this.envNode?e=this.envNode:this.envMap&&(e=this.envMap.isCubeTexture?rh("envMap","cubeTexture"):rh("envMap","texture")),e}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new dg(_p)),t}setupMaterialLightings(e){const t=[];if(!1===e.renderer.lighting.enabled)return t;const r=this.setupEnvironment(e);r&&r.isLightingNode&&t.push(r);const s=this.setupLightMap(e);return s&&s.isLightingNode&&t.push(s),e.context.ambientOcclusion&&t.push(new og(e.context.ambientOcclusion)),t}setupAmbientOcclusion(e){let t=this.aoNode;null===t&&e.material.aoMap&&(t=vp),e.context.getAO&&(t=e.context.getAO(t,e)),null!==t&&(Ta.assign(t),e.context.ambientOcclusion=Ta)}setupLightingModel(){}setupLighting(e){const{material:t}=e,{backdropNode:r,backdropAlphaNode:s,emissiveNode:i}=this,n=!0===this.lights||null!==this.lightsNode,a=!0===this.lights?this.setupMaterialLightings(e):[],o=n?this.lightsNode||e.lightsNode:null;let u=this.setupOutgoingLight(e);if(o&&(a.length>0||o.getScope().hasLights)){const t=this.setupLightingModel(e)||null;u=lg(o,t,a,r,s)}else null!==r&&(u=An(null!==s?xu(u,r,s):r));return(i&&!0===i.isNode||t.emissive&&!0===t.emissive.isColor)&&(jn.assign(An(i||zh)),u=u.add(jn)),u}setupFog(e,t){const r=e.fogNode;return r&&(da.assign(t),t=Ln(r.toVar())),t}setupPremultipliedAlpha(e,t){return Dl(t)}setupOutput(e,t){return!0===this.fog&&(t=this.setupFog(e,t)),!0===this.premultipliedAlpha&&(t=this.setupPremultipliedAlpha(e,t)),t}setDefaultValues(e){for(const t in e){const r=e[t];void 0===this[t]&&(this[t]=r,r&&r.clone&&(this[t]=r.clone()))}const t=Object.getOwnPropertyDescriptors(e.constructor.prototype);for(const e in t)void 0===Object.getOwnPropertyDescriptor(this.constructor.prototype,e)&&void 0!==t[e].get&&Object.defineProperty(this.constructor.prototype,e,t[e])}toJSON(e){const t=void 0===e||"string"==typeof e;t&&(e={textures:{},images:{},nodes:{}});const r=J.prototype.toJSON.call(this,e);r.inputNodes={};for(const{property:t,childNode:s}of this._getNodeChildren())r.inputNodes[t]=s.toJSON(e).uuid;function s(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(t){const t=s(e.textures),i=s(e.images),n=s(e.nodes);t.length>0&&(r.textures=t),i.length>0&&(r.images=i),n.length>0&&(r.nodes=n)}return r}copy(e){return this.lightsNode=e.lightsNode,this.envNode=e.envNode,this.aoNode=e.aoNode,this.colorNode=e.colorNode,this.normalNode=e.normalNode,this.opacityNode=e.opacityNode,this.backdropNode=e.backdropNode,this.backdropAlphaNode=e.backdropAlphaNode,this.alphaTestNode=e.alphaTestNode,this.maskNode=e.maskNode,this.maskShadowNode=e.maskShadowNode,this.positionNode=e.positionNode,this.geometryNode=e.geometryNode,this.depthNode=e.depthNode,this.receivedShadowPositionNode=e.receivedShadowPositionNode,this.castShadowPositionNode=e.castShadowPositionNode,this.receivedShadowNode=e.receivedShadowNode,this.castShadowNode=e.castShadowNode,this.outputNode=e.outputNode,this.mrtNode=e.mrtNode,this.fragmentNode=e.fragmentNode,this.vertexNode=e.vertexNode,this.contextNode=e.contextNode,super.copy(e)}}const Og=new ee;class Vg extends Ig{static get type(){return"LineBasicNodeMaterial"}constructor(e){super(),this.isLineBasicNodeMaterial=!0,this.setDefaultValues(Og),this.setValues(e)}}const kg=new te;class Gg extends Ig{static get type(){return"LineDashedNodeMaterial"}constructor(e){super(),this.isLineDashedNodeMaterial=!0,this.setDefaultValues(kg),this.dashOffset=0,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.setValues(e)}setupVariants(){const e=this.offsetNode?Tn(this.offsetNode):bp,t=this.dashScaleNode?Tn(this.dashScaleNode):gp,r=this.dashSizeNode?Tn(this.dashSizeNode):mp,s=this.gapSizeNode?Tn(this.gapSizeNode):fp;ca.assign(r),ha.assign(s);const i=Xu(jl("lineDistance").mul(t));(e?i.add(e):i).mod(ca.add(ha)).greaterThan(ca).discard()}}const $g=new te,zg=zn("vec3","worldStart"),Wg=zn("vec3","worldEnd"),Hg=zn("float","lineDistance"),jg=zn("vec4","worldPos"),qg=gn(({start:e,end:t})=>{const r=kd.element(2).element(2),s=kd.element(3).element(2);return r.greaterThan(0).select(s.negate().div(r.add(1)),s.mul(-.5).div(r)).sub(e.z).div(t.z.sub(e.z))},{start:"vec4",end:"vec4",return:"float"}),Xg=gn(({p1:e,p2:t,p3:r,p4:s})=>{const i=e.sub(r),n=s.sub(r),a=t.sub(e),o=i.dot(n),u=n.dot(a),l=i.dot(a),d=n.dot(n),c=a.dot(a).mul(d).sub(u.mul(u)),h=o.mul(u).sub(l.mul(d)).div(c).clamp(),p=o.add(u.mul(h)).div(d).clamp();return Sn(h,p)},{p1:"vec3",p2:"vec3",p3:"vec3",p4:"vec3",return:"vec2"}),Yg=gn(({material:e})=>{const t=e._useDash,r=e._useWorldUnits,s=jl("instanceStart"),i=jl("instanceEnd"),n=Ln(dc.mul(Ln(s,1))).toVar("start"),a=Ln(dc.mul(Ln(i,1))).toVar("end");let o,u;t&&(o=Tn(jl("instanceDistanceStart")).toVar("distanceStart"),u=Tn(jl("instanceDistanceEnd")).toVar("distanceEnd")),r&&(zg.assign(n.xyz),Wg.assign(a.xyz));const l=bd.z.div(bd.w),d=kd.element(2).element(3).equal(-1);if(yn(d,()=>{yn(n.z.lessThan(0).and(a.z.greaterThan(0)),()=>{const e=qg({start:n,end:a});a.assign(Ln(xu(n.xyz,a.xyz,e),a.w)),t&&u.assign(xu(o,u,e))}).ElseIf(a.z.lessThan(0).and(n.z.greaterThanEqual(0)),()=>{const e=qg({start:a,end:n});n.assign(Ln(xu(a.xyz,n.xyz,e),n.w)),t&&o.assign(xu(u,o,e))})}),t){const t=e.dashScaleNode?Tn(e.dashScaleNode):gp,r=e.offsetNode?Tn(e.offsetNode):bp;let s=mc.y.lessThan(.5).select(t.mul(o),t.mul(u));s=s.add(r),Hg.assign(s)}const c=kd.mul(n),h=kd.mul(a),p=c.xyz.div(c.w),g=h.xyz.div(h.w),m=g.xy.sub(p.xy).toVar();m.x.assign(m.x.mul(l)),m.assign(m.normalize());const f=Ln().toVar();if(r){const e=a.xyz.sub(n.xyz).normalize(),r=xu(n.xyz,a.xyz,.5).normalize(),s=e.cross(r).normalize(),i=e.cross(s);jg.assign(mc.y.lessThan(.5).select(n,a));const o=yp.mul(.5);jg.addAssign(Ln(mc.x.lessThan(0).select(s.mul(o),s.mul(o).negate()),0)),t||(jg.addAssign(Ln(mc.y.lessThan(.5).select(e.mul(o).negate(),e.mul(o)),0)),jg.addAssign(Ln(i.mul(o),0)),yn(mc.y.greaterThan(1).or(mc.y.lessThan(0)),()=>{jg.subAssign(Ln(i.mul(2).mul(o),0))})),f.assign(kd.mul(jg));const u=An().toVar();u.assign(mc.y.lessThan(.5).select(p,g)),f.z.assign(u.z.mul(f.w))}else{const e=Sn(m.y,m.x.negate()).toVar("offset");m.x.assign(m.x.div(l)),e.x.assign(e.x.div(l)),e.assign(mc.x.lessThan(0).select(e.negate(),e)),yn(mc.y.lessThan(0),()=>{e.assign(e.sub(m))}).ElseIf(mc.y.greaterThan(1),()=>{e.assign(e.add(m))}),e.assign(e.mul(yp)),e.assign(e.div(bd.w.div(gd))),f.assign(mc.y.lessThan(.5).select(c,h)),e.assign(e.mul(f.w)),f.assign(f.add(Ln(e,0,0)))}return f})(),Qg=gn(({material:e,renderer:t})=>{const r=e._useAlphaToCoverage,s=e._useDash,i=e._useWorldUnits,n=ql();if(s){const t=e.dashSizeNode?Tn(e.dashSizeNode):mp,r=e.gapSizeNode?Tn(e.gapSizeNode):fp;ca.assign(t),ha.assign(r),n.y.lessThan(-1).or(n.y.greaterThan(1)).discard(),Hg.mod(ca.add(ha)).greaterThan(ca).discard()}const a=Tn(1).toVar("alpha");if(i){const e=jg.xyz.normalize().mul(1e5),i=Wg.sub(zg),n=Xg({p1:zg,p2:Wg,p3:An(0,0,0),p4:e}),o=zg.add(i.mul(n.x)),u=e.mul(n.y),l=o.sub(u).length().div(yp);if(!s)if(r&&t.currentSamples>0){const e=l.fwidth();a.assign(Nu(e.negate().add(.5),e.add(.5),l).oneMinus())}else l.greaterThan(.5).discard()}else if(r&&t.currentSamples>0){const e=n.x,t=n.y.greaterThan(0).select(n.y.sub(1),n.y.add(1)),r=e.mul(e).add(t.mul(t)),s=Tn(r.fwidth()).toVar("dlen");yn(n.y.abs().greaterThan(1),()=>{a.assign(Nu(s.oneMinus(),s.add(1),r).oneMinus())})}else yn(n.y.abs().greaterThan(1),()=>{const e=n.x,t=n.y.greaterThan(0).select(n.y.sub(1),n.y.add(1));e.mul(e).add(t.mul(t)).greaterThan(1).discard()});return a})();class Kg extends Ig{static get type(){return"Line2NodeMaterial"}constructor(e={}){super(),this.isLine2NodeMaterial=!0,this.setDefaultValues($g),this.vertexColors=e.vertexColors,this.dashOffset=0,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.blending=re,this._useDash=e.dashed,this._useAlphaToCoverage=!0,this._useWorldUnits=!1,this.setValues(e)}setupDiffuseColor(e){if(super.setupDiffuseColor(e),Wn.a.mulAssign(Qg),!0===this.vertexColors&&e.geometry.hasAttribute("instanceColorStart")){const e=jl("instanceColorStart"),t=jl("instanceColorEnd"),r=mc.y.lessThan(.5).select(e,t);Wn.rgb.mulAssign(r)}this.transparent&&Wn.rgb.assign(Wn.rgb.mul(Wn.a).add(fg().rgb.mul(Wn.a.oneMinus())))}setupModelViewProjection(){return Yg}get lineColorNode(){return this.colorNode}set lineColorNode(e){v('Line2NodeMaterial: "lineColorNode" has been deprecated. Use "colorNode" instead.'),this.colorNode=e}get worldUnits(){return this._useWorldUnits}set worldUnits(e){this._useWorldUnits!==e&&(this._useWorldUnits=e,this.needsUpdate=!0)}get dashed(){return this._useDash}set dashed(e){this._useDash!==e&&(this._useDash=e,this.needsUpdate=!0)}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}copy(e){return super.copy(e),this.vertexColors=e.vertexColors,this.dashOffset=e.dashOffset,this.offsetNode=e.offsetNode,this.dashScaleNode=e.dashScaleNode,this.dashSizeNode=e.dashSizeNode,this.gapSizeNode=e.gapSizeNode,this._useDash=e._useDash,this._useAlphaToCoverage=e._useAlphaToCoverage,this._useWorldUnits=e._useWorldUnits,this}}const Zg=new se;class Jg extends Ig{static get type(){return"MeshNormalNodeMaterial"}constructor(e){super(),this.isMeshNormalNodeMaterial=!0,this.setDefaultValues(Zg),this.setValues(e)}setupDiffuseColor(){const e=this.opacityNode?Tn(this.opacityNode):Wh;Wn.assign(tl(Ln(Ch(Bc),e),ie))}}const em=gn(([e=xc])=>{const t=e.z.atan(e.x).mul(1/(2*Math.PI)).add(.5),r=e.y.clamp(-1,1).asin().mul(1/Math.PI).add(.5);return Sn(t,r)}),tm=gn(([e=ql()])=>{const t=e.x.sub(.5).mul(2*Math.PI),r=e.y.sub(.5).mul(Math.PI),s=r.cos(),i=s.mul(t.cos()),n=r.sin(),a=s.mul(t.sin());return An(i,n,a)});class rm extends ne{constructor(e=1,t={}){super(e,e,t),this.isCubeRenderTarget=!0;const r={width:e,height:e,depth:1},s=[r,r,r,r,r,r];this.texture=new U(s),this._setTextureOptions(t),this.texture.isRenderTargetTexture=!0}fromEquirectangularTexture(e,t){const r=t.minFilter,s=t.generateMipmaps;t.generateMipmaps=!0,this.texture.type=t.type,this.texture.colorSpace=t.colorSpace,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const i=new ae(5,5,5),n=em(xc),a=new Ig;a.colorNode=rd(t,n,0),a.side=F,a.blending=re;const o=new oe(i,a),u=new ue;u.add(o),t.minFilter===K&&(t.minFilter=le);const l=new de(1,10,this),d=e.getMRT();return e.setMRT(null),l.update(e,u),e.setMRT(d),t.minFilter=r,t.generateMipmaps=s,o.geometry.dispose(),o.material.dispose(),this}clear(e,t=!0,r=!0,s=!0){const i=e.getRenderTarget();for(let i=0;i<6;i++)e.setRenderTarget(this,i),e.clear(t,r,s);e.setRenderTarget(i)}}const sm=new WeakMap;class im extends fi{static get type(){return"CubeMapNode"}constructor(e){super("vec3"),this.envNode=e,this._cubeTexture=null,this._cubeTextureNode=Qc(null);const t=new U;t.isRenderTargetTexture=!0,this._defaultTexture=t,this.updateBeforeType=ii.RENDER}updateBefore(e){const{renderer:t,material:r}=e,s=this.envNode;if(s.isTextureNode||s.isMaterialReferenceNode){const e=s.isTextureNode?s.value:r[s.property];if(e&&e.isTexture){const r=e.mapping;if(r===ce||r===he){if(sm.has(e)){const t=sm.get(e);am(t,e.mapping),this._cubeTexture=t}else{const r=e.image;if(function(e){return null!=e&&e.height>0}(r)){const s=new rm(r.height);s.fromEquirectangularTexture(t,e),am(s.texture,e.mapping),this._cubeTexture=s.texture,sm.set(e,s.texture),e.addEventListener("dispose",nm)}else this._cubeTexture=this._defaultTexture}this._cubeTextureNode.value=this._cubeTexture}else this._cubeTextureNode=this.envNode}}}setup(e){return this.updateBefore(e),this._cubeTextureNode}}function nm(e){const t=e.target;t.removeEventListener("dispose",nm);const r=sm.get(t);void 0!==r&&(sm.delete(t),r.dispose())}function am(e,t){t===ce?e.mapping=D:t===he&&(e.mapping=I)}const om=un(im).setParameterLength(1);class um extends ag{static get type(){return"BasicEnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){e.context.environment=om(this.envNode)}}class lm extends ag{static get type(){return"BasicLightMapNode"}constructor(e=null){super(),this.lightMapNode=e}setup(e){const t=Tn(1/Math.PI);e.context.irradianceLightMap=this.lightMapNode.mul(t)}}class dm{start(e){e.lightsNode.setupLights(e,e.lightsNode.getLightNodes(e)),this.indirect(e)}finish(){}direct(){}directRectArea(){}indirect(){}ambientOcclusion(){}}class cm extends dm{constructor(){super()}indirect({context:e}){const t=e.ambientOcclusion,r=e.reflectedLight,s=e.irradianceLightMap;r.indirectDiffuse.assign(Ln(0)),s?r.indirectDiffuse.addAssign(s):r.indirectDiffuse.addAssign(Ln(1,1,1,0)),r.indirectDiffuse.mulAssign(t),r.indirectDiffuse.mulAssign(Wn.rgb)}finish(e){const{material:t,context:r}=e,s=r.outgoingLight,i=e.context.environment;if(i)switch(t.combine){case me:s.rgb.assign(xu(s.rgb,s.rgb.mul(i.rgb),Xh.mul(Yh)));break;case ge:s.rgb.assign(xu(s.rgb,i.rgb,Xh.mul(Yh)));break;case pe:s.rgb.addAssign(i.rgb.mul(Xh.mul(Yh)));break;default:d("BasicLightingModel: Unsupported .combine value:",t.combine)}}}const hm=new fe;class pm extends Ig{static get type(){return"MeshBasicNodeMaterial"}constructor(e){super(),this.isMeshBasicNodeMaterial=!0,this.lights=!0,this.setDefaultValues(hm),this.setValues(e)}setupNormal(){return Rc(Cc)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new um(t):null}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new lm(_p)),t}setupOutgoingLight(){return Wn.rgb}setupLightingModel(){return new cm}}const gm=gn(({f0:e,f90:t,dotVH:r})=>{const s=r.mul(-5.55473).sub(6.98316).mul(r).exp2();return e.mul(s.oneMinus()).add(t.mul(s))}),mm=gn(e=>e.diffuseColor.mul(1/Math.PI)),fm=gn(({dotNH:e})=>la.mul(Tn(.5)).add(1).mul(Tn(1/Math.PI)).mul(e.pow(la))),ym=gn(({lightDirection:e})=>{const t=e.add(_c).normalize(),r=Bc.dot(t).clamp(),s=_c.dot(t).clamp(),i=gm({f0:aa,f90:1,dotVH:s}),n=Tn(.25),a=fm({dotNH:r});return i.mul(n).mul(a)});class bm extends cm{constructor(e=!0){super(),this.specular=e}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=Bc.dot(e).clamp().mul(t);r.directDiffuse.addAssign(s.mul(mm({diffuseColor:Wn.rgb}))),!0===this.specular&&r.directSpecular.addAssign(s.mul(ym({lightDirection:e})).mul(Xh))}indirect(e){const{ambientOcclusion:t,irradiance:r,reflectedLight:s}=e.context;s.indirectDiffuse.addAssign(r.mul(mm({diffuseColor:Wn}))),s.indirectDiffuse.mulAssign(t)}}const xm=new ye;class Tm extends Ig{static get type(){return"MeshLambertNodeMaterial"}constructor(e){super(),this.isMeshLambertNodeMaterial=!0,this.lights=!0,this.setDefaultValues(xm),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new um(t):null}setupLightingModel(){return new bm(!1)}}const _m=new be;class vm extends Ig{static get type(){return"MeshPhongNodeMaterial"}constructor(e){super(),this.isMeshPhongNodeMaterial=!0,this.lights=!0,this.shininessNode=null,this.specularNode=null,this.setDefaultValues(_m),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new um(t):null}setupLightingModel(){return new bm}setupVariants(){const e=(this.shininessNode?Tn(this.shininessNode):$h).max(1e-4);la.assign(e);const t=this.specularNode||Hh;aa.assign(t)}copy(e){return this.shininessNode=e.shininessNode,this.specularNode=e.specularNode,super.copy(e)}}const Nm=gn(e=>{if(!1===e.geometry.hasAttribute("normal"))return Tn(0);const t=Cc.dFdx().abs().max(Cc.dFdy().abs());return t.x.max(t.y).max(t.z)}),Sm=gn(e=>{const{roughness:t}=e,r=Nm();let s=t.max(.0525);return s=s.add(r),s=s.min(1),s}),Rm=gn(({alpha:e,dotNL:t,dotNV:r})=>{const s=e.pow2(),i=t.mul(s.add(s.oneMinus().mul(r.pow2())).sqrt()),n=r.mul(s.add(s.oneMinus().mul(t.pow2())).sqrt());return ka(.5,i.add(n).max(lo))}).setLayout({name:"V_GGX_SmithCorrelated",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNL",type:"float"},{name:"dotNV",type:"float"}]}),Em=gn(({alphaT:e,alphaB:t,dotTV:r,dotBV:s,dotTL:i,dotBL:n,dotNV:a,dotNL:o})=>{const u=o.mul(An(e.mul(r),t.mul(s),a).length()),l=a.mul(An(e.mul(i),t.mul(n),o).length());return ka(.5,u.add(l).max(lo))}).setLayout({name:"V_GGX_SmithCorrelated_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotTV",type:"float",qualifier:"in"},{name:"dotBV",type:"float",qualifier:"in"},{name:"dotTL",type:"float",qualifier:"in"},{name:"dotBL",type:"float",qualifier:"in"},{name:"dotNV",type:"float",qualifier:"in"},{name:"dotNL",type:"float",qualifier:"in"}]}),wm=gn(({alpha:e,dotNH:t})=>{const r=e.pow2(),s=t.pow2().mul(r.oneMinus()).oneMinus();return r.div(s.pow2()).mul(1/Math.PI)}).setLayout({name:"D_GGX",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNH",type:"float"}]}),Am=Tn(1/Math.PI),Cm=gn(({alphaT:e,alphaB:t,dotNH:r,dotTH:s,dotBH:i})=>{const n=e.mul(t),a=An(t.mul(s),e.mul(i),n.mul(r)),o=a.dot(a),u=n.div(o);return Am.mul(n.mul(u.pow2()))}).setLayout({name:"D_GGX_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotNH",type:"float",qualifier:"in"},{name:"dotTH",type:"float",qualifier:"in"},{name:"dotBH",type:"float",qualifier:"in"}]}),Mm=gn(({lightDirection:e,f0:t,f90:r,roughness:s,f:i,normalView:n=Bc,USE_IRIDESCENCE:a,USE_ANISOTROPY:o})=>{const u=s.pow2(),l=e.add(_c).normalize(),d=n.dot(e).clamp(),c=n.dot(_c).clamp(),h=n.dot(l).clamp(),p=_c.dot(l).clamp();let g,m,f=gm({f0:t,f90:r,dotVH:p});if(en(a)&&(f=Jn.mix(f,i)),en(o)){const t=ia.dot(e),r=ia.dot(_c),s=ia.dot(l),i=na.dot(e),n=na.dot(_c),a=na.dot(l);g=Em({alphaT:ra,alphaB:u,dotTV:r,dotBV:n,dotTL:t,dotBL:i,dotNV:c,dotNL:d}),m=Cm({alphaT:ra,alphaB:u,dotNH:h,dotTH:s,dotBH:a})}else g=Rm({alpha:u,dotNL:d,dotNV:c}),m=wm({alpha:u,dotNH:h});return f.mul(g).mul(m)}),Bm=new 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Lm=null;const Fm=gn(({roughness:e,dotNV:t})=>{null===Lm&&(Lm=new xe(Bm,16,16,z,Te),Lm.name="DFG_LUT",Lm.minFilter=le,Lm.magFilter=le,Lm.wrapS=_e,Lm.wrapT=_e,Lm.generateMipmaps=!1,Lm.needsUpdate=!0);const r=Sn(e,t);return rd(Lm,r).rg}),Pm=gn(({lightDirection:e,f0:t,f90:r,roughness:s,f:i,USE_IRIDESCENCE:n,USE_ANISOTROPY:a})=>{const o=Mm({lightDirection:e,f0:t,f90:r,roughness:s,f:i,USE_IRIDESCENCE:n,USE_ANISOTROPY:a}),u=Bc.dot(e).clamp(),l=Bc.dot(_c).clamp(),d=Fm({roughness:s,dotNV:l}),c=Fm({roughness:s,dotNV:u}),h=t.mul(d.x).add(r.mul(d.y)),p=t.mul(c.x).add(r.mul(c.y)),g=d.x.add(d.y),m=c.x.add(c.y),f=Tn(1).sub(g),y=Tn(1).sub(m),b=t.add(t.oneMinus().mul(.047619)),x=h.mul(p).mul(b).div(Tn(1).sub(f.mul(y).mul(b).mul(b)).add(lo)),T=f.mul(y),_=x.mul(T);return o.add(_)}),Um=gn(e=>{const{dotNV:t,specularColor:r,specularF90:s,roughness:i}=e,n=Fm({dotNV:t,roughness:i});return r.mul(n.x).add(s.mul(n.y))}),Dm=gn(({f:e,f90:t,dotVH:r})=>{const s=r.oneMinus().saturate(),i=s.mul(s),n=s.mul(i,i).clamp(0,.9999);return e.sub(An(t).mul(n)).div(n.oneMinus())}).setLayout({name:"Schlick_to_F0",type:"vec3",inputs:[{name:"f",type:"vec3"},{name:"f90",type:"float"},{name:"dotVH",type:"float"}]}),Im=gn(({roughness:e,dotNH:t})=>{const r=e.pow2(),s=Tn(1).div(r),i=t.pow2().oneMinus().max(.0078125);return Tn(2).add(s).mul(i.pow(s.mul(.5))).div(2*Math.PI)}).setLayout({name:"D_Charlie",type:"float",inputs:[{name:"roughness",type:"float"},{name:"dotNH",type:"float"}]}),Om=gn(({dotNV:e,dotNL:t})=>Tn(1).div(Tn(4).mul(t.add(e).sub(t.mul(e))))).setLayout({name:"V_Neubelt",type:"float",inputs:[{name:"dotNV",type:"float"},{name:"dotNL",type:"float"}]}),Vm=gn(({lightDirection:e})=>{const t=e.add(_c).normalize(),r=Bc.dot(e).clamp(),s=Bc.dot(_c).clamp(),i=Bc.dot(t).clamp(),n=Im({roughness:Zn,dotNH:i}),a=Om({dotNV:s,dotNL:r});return Kn.mul(n).mul(a)}),km=gn(({N:e,V:t,roughness:r})=>{const s=e.dot(t).saturate(),i=Sn(r,s.oneMinus().sqrt());return i.assign(i.mul(.984375).add(.0078125)),i}).setLayout({name:"LTC_Uv",type:"vec2",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"roughness",type:"float"}]}),Gm=gn(({f:e})=>{const t=e.length();return su(t.mul(t).add(e.z).div(t.add(1)),0)}).setLayout({name:"LTC_ClippedSphereFormFactor",type:"float",inputs:[{name:"f",type:"vec3"}]}),$m=gn(({v1:e,v2:t})=>{const r=e.dot(t),s=r.abs().toVar(),i=s.mul(.0145206).add(.4965155).mul(s).add(.8543985).toVar(),n=s.add(4.1616724).mul(s).add(3.417594).toVar(),a=i.div(n),o=r.greaterThan(0).select(a,su(r.mul(r).oneMinus(),1e-7).inverseSqrt().mul(.5).sub(a));return e.cross(t).mul(o)}).setLayout({name:"LTC_EdgeVectorFormFactor",type:"vec3",inputs:[{name:"v1",type:"vec3"},{name:"v2",type:"vec3"}]}),zm=gn(({N:e,V:t,P:r,mInv:s,p0:i,p1:n,p2:a,p3:o})=>{const u=n.sub(i).toVar(),l=o.sub(i).toVar(),d=u.cross(l),c=An().toVar();return yn(d.dot(r.sub(i)).greaterThanEqual(0),()=>{const u=t.sub(e.mul(t.dot(e))).normalize(),l=e.cross(u).negate(),d=s.mul(In(u,l,e).transpose()).toVar(),h=d.mul(i.sub(r)).normalize().toVar(),p=d.mul(n.sub(r)).normalize().toVar(),g=d.mul(a.sub(r)).normalize().toVar(),m=d.mul(o.sub(r)).normalize().toVar(),f=An(0).toVar();f.addAssign($m({v1:h,v2:p})),f.addAssign($m({v1:p,v2:g})),f.addAssign($m({v1:g,v2:m})),f.addAssign($m({v1:m,v2:h})),c.assign(An(Gm({f:f})))}),c}).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"P",type:"vec3"},{name:"mInv",type:"mat3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),Wm=gn(({P:e,p0:t,p1:r,p2:s,p3:i})=>{const n=r.sub(t).toVar(),a=i.sub(t).toVar(),o=n.cross(a),u=An().toVar();return yn(o.dot(e.sub(t)).greaterThanEqual(0),()=>{const n=t.sub(e).normalize().toVar(),a=r.sub(e).normalize().toVar(),o=s.sub(e).normalize().toVar(),l=i.sub(e).normalize().toVar(),d=An(0).toVar();d.addAssign($m({v1:n,v2:a})),d.addAssign($m({v1:a,v2:o})),d.addAssign($m({v1:o,v2:l})),d.addAssign($m({v1:l,v2:n})),u.assign(An(Gm({f:d.abs()})))}),u}).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"P",type:"vec3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),Hm=1/6,jm=e=>Va(Hm,Va(e,Va(e,e.negate().add(3)).sub(3)).add(1)),qm=e=>Va(Hm,Va(e,Va(e,Va(3,e).sub(6))).add(4)),Xm=e=>Va(Hm,Va(e,Va(e,Va(-3,e).add(3)).add(3)).add(1)),Ym=e=>Va(Hm,du(e,3)),Qm=e=>jm(e).add(qm(e)),Km=e=>Xm(e).add(Ym(e)),Zm=e=>Ia(-1,qm(e).div(jm(e).add(qm(e)))),Jm=e=>Ia(1,Ym(e).div(Xm(e).add(Ym(e)))),ef=(e,t,r)=>{const s=e.uvNode,i=Va(s,t.zw).add(.5),n=Eo(i),a=Co(i),o=Qm(a.x),u=Km(a.x),l=Zm(a.x),d=Jm(a.x),c=Zm(a.y),h=Jm(a.y),p=Sn(n.x.add(l),n.y.add(c)).sub(.5).mul(t.xy),g=Sn(n.x.add(d),n.y.add(c)).sub(.5).mul(t.xy),m=Sn(n.x.add(l),n.y.add(h)).sub(.5).mul(t.xy),f=Sn(n.x.add(d),n.y.add(h)).sub(.5).mul(t.xy),y=Qm(a.y).mul(Ia(o.mul(e.sample(p).level(r)),u.mul(e.sample(g).level(r)))),b=Km(a.y).mul(Ia(o.mul(e.sample(m).level(r)),u.mul(e.sample(f).level(r))));return y.add(b)},tf=gn(([e,t])=>{const r=Sn(e.size(_n(t))),s=Sn(e.size(_n(t.add(1)))),i=ka(1,r),n=ka(1,s),a=ef(e,Ln(i,r),Eo(t)),o=ef(e,Ln(n,s),wo(t));return Co(t).mix(a,o)}),rf=gn(([e,t])=>{const r=t.mul(Kl(e));return tf(e,r)}),sf=gn(([e,t,r,s,i])=>{const n=An(vu(t.negate(),Ao(e),ka(1,s))),a=An(Wo(i[0].xyz),Wo(i[1].xyz),Wo(i[2].xyz));return Ao(n).mul(r.mul(a))}).setLayout({name:"getVolumeTransmissionRay",type:"vec3",inputs:[{name:"n",type:"vec3"},{name:"v",type:"vec3"},{name:"thickness",type:"float"},{name:"ior",type:"float"},{name:"modelMatrix",type:"mat4"}]}),nf=gn(([e,t])=>e.mul(Tu(t.mul(2).sub(2),0,1))).setLayout({name:"applyIorToRoughness",type:"float",inputs:[{name:"roughness",type:"float"},{name:"ior",type:"float"}]}),af=gg(),of=fg(),uf=gn(([e,t,r],{material:s})=>{const i=(s.side===F?af:of).sample(e),n=No(fd.x).mul(nf(t,r));return tf(i,n)}),lf=gn(([e,t,r])=>(yn(r.notEqual(0),()=>{const s=vo(t).negate().div(r);return To(s.negate().mul(e))}),An(1))).setLayout({name:"volumeAttenuation",type:"vec3",inputs:[{name:"transmissionDistance",type:"float"},{name:"attenuationColor",type:"vec3"},{name:"attenuationDistance",type:"float"}]}),df=gn(([e,t,r,s,i,n,a,o,u,l,d,c,h,p,g])=>{let m,f;if(g){m=Ln().toVar(),f=An().toVar();const i=d.sub(1).mul(g.mul(.025)),n=An(d.sub(i),d,d.add(i));Zp({start:0,end:3},({i:i})=>{const d=n.element(i),g=sf(e,t,c,d,o),y=a.add(g),b=l.mul(u.mul(Ln(y,1))),x=Sn(b.xy.div(b.w)).toVar();x.addAssign(1),x.divAssign(2),x.assign(Sn(x.x,x.y.oneMinus()));const T=uf(x,r,d);m.element(i).assign(T.element(i)),m.a.addAssign(T.a),f.element(i).assign(s.element(i).mul(lf(Wo(g),h,p).element(i)))}),m.a.divAssign(3)}else{const i=sf(e,t,c,d,o),n=a.add(i),g=l.mul(u.mul(Ln(n,1))),y=Sn(g.xy.div(g.w)).toVar();y.addAssign(1),y.divAssign(2),y.assign(Sn(y.x,y.y.oneMinus())),m=uf(y,r,d),f=s.mul(lf(Wo(i),h,p))}const y=f.rgb.mul(m.rgb),b=e.dot(t).clamp(),x=An(Um({dotNV:b,specularColor:i,specularF90:n,roughness:r})),T=f.r.add(f.g,f.b).div(3);return Ln(x.oneMinus().mul(y),m.a.oneMinus().mul(T).oneMinus())}),cf=In(3.2404542,-.969266,.0556434,-1.5371385,1.8760108,-.2040259,-.4985314,.041556,1.0572252),hf=(e,t)=>e.sub(t).div(e.add(t)).pow2(),pf=gn(({outsideIOR:e,eta2:t,cosTheta1:r,thinFilmThickness:s,baseF0:i})=>{const n=xu(e,t,Nu(0,.03,s)),a=e.div(n).pow2().mul(r.pow2().oneMinus()).oneMinus();yn(a.lessThan(0),()=>An(1));const o=a.sqrt(),u=hf(n,e),l=gm({f0:u,f90:1,dotVH:r}),d=l.oneMinus(),c=n.lessThan(e).select(Math.PI,0),h=Tn(Math.PI).sub(c),p=(e=>{const t=e.sqrt();return An(1).add(t).div(An(1).sub(t))})(i.clamp(0,.9999)),g=hf(p,n.toVec3()),m=gm({f0:g,f90:1,dotVH:o}),f=An(p.x.lessThan(n).select(Math.PI,0),p.y.lessThan(n).select(Math.PI,0),p.z.lessThan(n).select(Math.PI,0)),y=n.mul(s,o,2),b=An(h).add(f),x=l.mul(m).clamp(1e-5,.9999),T=x.sqrt(),_=d.pow2().mul(m).div(An(1).sub(x)),v=l.add(_).toVar(),N=_.sub(d).toVar();return Zp({start:1,end:2,condition:"<=",name:"m"},({m:e})=>{N.mulAssign(T);const t=((e,t)=>{const r=e.mul(2*Math.PI*1e-9),s=An(54856e-17,44201e-17,52481e-17),i=An(1681e3,1795300,2208400),n=An(43278e5,93046e5,66121e5),a=Tn(9747e-17*Math.sqrt(2*Math.PI*45282e5)).mul(r.mul(2239900).add(t.x).cos()).mul(r.pow2().mul(-45282e5).exp());let o=s.mul(n.mul(2*Math.PI).sqrt()).mul(i.mul(r).add(t).cos()).mul(r.pow2().negate().mul(n).exp());return o=An(o.x.add(a),o.y,o.z).div(1.0685e-7),cf.mul(o)})(Tn(e).mul(y),Tn(e).mul(b)).mul(2);v.addAssign(N.mul(t))}),v.max(An(0))}).setLayout({name:"evalIridescence",type:"vec3",inputs:[{name:"outsideIOR",type:"float"},{name:"eta2",type:"float"},{name:"cosTheta1",type:"float"},{name:"thinFilmThickness",type:"float"},{name:"baseF0",type:"vec3"}]}),gf=gn(({normal:e,viewDir:t,roughness:r})=>{const s=e.dot(t).saturate(),i=r.mul(r),n=r.add(.1).reciprocal(),a=Tn(-1.9362).add(r.mul(1.0678)).add(i.mul(.4573)).sub(n.mul(.8469)),o=Tn(-.6014).add(r.mul(.5538)).sub(i.mul(.467)).sub(n.mul(.1255));return a.mul(s).add(o).exp().saturate()}),mf=An(.04),ff=Tn(1);class yf extends dm{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1){super(),this.clearcoat=e,this.sheen=t,this.iridescence=r,this.anisotropy=s,this.transmission=i,this.dispersion=n,this.clearcoatRadiance=null,this.clearcoatSpecularDirect=null,this.clearcoatSpecularIndirect=null,this.sheenSpecularDirect=null,this.sheenSpecularIndirect=null,this.iridescenceFresnel=null,this.iridescenceF0=null,this.iridescenceF0Dielectric=null,this.iridescenceF0Metallic=null}start(e){if(!0===this.clearcoat&&(this.clearcoatRadiance=An().toVar("clearcoatRadiance"),this.clearcoatSpecularDirect=An().toVar("clearcoatSpecularDirect"),this.clearcoatSpecularIndirect=An().toVar("clearcoatSpecularIndirect")),!0===this.sheen&&(this.sheenSpecularDirect=An().toVar("sheenSpecularDirect"),this.sheenSpecularIndirect=An().toVar("sheenSpecularIndirect")),!0===this.iridescence){const e=Bc.dot(_c).clamp(),t=pf({outsideIOR:Tn(1),eta2:ea,cosTheta1:e,thinFilmThickness:ta,baseF0:aa}),r=pf({outsideIOR:Tn(1),eta2:ea,cosTheta1:e,thinFilmThickness:ta,baseF0:Wn.rgb});this.iridescenceFresnel=xu(t,r,Xn),this.iridescenceF0Dielectric=Dm({f:t,f90:1,dotVH:e}),this.iridescenceF0Metallic=Dm({f:r,f90:1,dotVH:e}),this.iridescenceF0=xu(this.iridescenceF0Dielectric,this.iridescenceF0Metallic,Xn)}if(!0===this.transmission){const t=bc,r=Hd.sub(bc).normalize(),s=Lc,i=e.context;i.backdrop=df(s,r,qn,Hn,oa,ua,t,sc,$d,kd,ga,fa,ba,ya,this.dispersion?xa:null),i.backdropAlpha=ma,Wn.a.mulAssign(xu(1,i.backdrop.a,ma))}super.start(e)}computeMultiscattering(e,t,r,s,i=null){const n=Bc.dot(_c).clamp(),a=Fm({roughness:qn,dotNV:n}),o=i?Jn.mix(s,i):s,u=o.mul(a.x).add(r.mul(a.y)),l=a.x.add(a.y).oneMinus(),d=o.add(o.oneMinus().mul(.047619)),c=u.mul(d).div(l.mul(d).oneMinus());e.addAssign(u),t.addAssign(c.mul(l))}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=Bc.dot(e).clamp().mul(t).toVar();if(!0===this.sheen){this.sheenSpecularDirect.addAssign(s.mul(Vm({lightDirection:e})));const t=gf({normal:Bc,viewDir:_c,roughness:Zn}),r=gf({normal:Bc,viewDir:e,roughness:Zn}),i=Kn.r.max(Kn.g).max(Kn.b).mul(t.max(r)).oneMinus();s.mulAssign(i)}if(!0===this.clearcoat){const r=Fc.dot(e).clamp().mul(t);this.clearcoatSpecularDirect.addAssign(r.mul(Mm({lightDirection:e,f0:mf,f90:ff,roughness:Qn,normalView:Fc})))}r.directDiffuse.addAssign(s.mul(mm({diffuseColor:Hn}))),r.directSpecular.addAssign(s.mul(Pm({lightDirection:e,f0:oa,f90:1,roughness:qn,f:this.iridescenceFresnel,USE_IRIDESCENCE:this.iridescence,USE_ANISOTROPY:this.anisotropy})))}directRectArea({lightColor:e,lightPosition:t,halfWidth:r,halfHeight:s,reflectedLight:i,ltc_1:n,ltc_2:a}){const o=t.add(r).sub(s),u=t.sub(r).sub(s),l=t.sub(r).add(s),d=t.add(r).add(s),c=Bc,h=_c,p=Tc.toVar(),g=km({N:c,V:h,roughness:qn}),m=n.sample(g).toVar(),f=a.sample(g).toVar(),y=In(An(m.x,0,m.y),An(0,1,0),An(m.z,0,m.w)).toVar(),b=oa.mul(f.x).add(ua.sub(oa).mul(f.y)).toVar();if(i.directSpecular.addAssign(e.mul(b).mul(zm({N:c,V:h,P:p,mInv:y,p0:o,p1:u,p2:l,p3:d}))),i.directDiffuse.addAssign(e.mul(Hn).mul(zm({N:c,V:h,P:p,mInv:In(1,0,0,0,1,0,0,0,1),p0:o,p1:u,p2:l,p3:d}))),!0===this.clearcoat){const t=Fc,r=km({N:t,V:h,roughness:Qn}),s=n.sample(r),i=a.sample(r),c=In(An(s.x,0,s.y),An(0,1,0),An(s.z,0,s.w)),g=mf.mul(i.x).add(ff.sub(mf).mul(i.y));this.clearcoatSpecularDirect.addAssign(e.mul(g).mul(zm({N:t,V:h,P:p,mInv:c,p0:o,p1:u,p2:l,p3:d})))}}indirect(e){this.indirectDiffuse(e),this.indirectSpecular(e),this.ambientOcclusion(e)}indirectDiffuse(e){const{irradiance:t,reflectedLight:r}=e.context,s=t.mul(mm({diffuseColor:Hn})).toVar();if(!0===this.sheen){const e=gf({normal:Bc,viewDir:_c,roughness:Zn}),t=Kn.r.max(Kn.g).max(Kn.b).mul(e).oneMinus();s.mulAssign(t)}r.indirectDiffuse.addAssign(s)}indirectSpecular(e){const{radiance:t,iblIrradiance:r,reflectedLight:s}=e.context;if(!0===this.sheen&&this.sheenSpecularIndirect.addAssign(r.mul(Kn,gf({normal:Bc,viewDir:_c,roughness:Zn}))),!0===this.clearcoat){const e=Fc.dot(_c).clamp(),t=Um({dotNV:e,specularColor:mf,specularF90:ff,roughness:Qn});this.clearcoatSpecularIndirect.addAssign(this.clearcoatRadiance.mul(t))}const i=An().toVar("singleScatteringDielectric"),n=An().toVar("multiScatteringDielectric"),a=An().toVar("singleScatteringMetallic"),o=An().toVar("multiScatteringMetallic");this.computeMultiscattering(i,n,ua,aa,this.iridescenceF0Dielectric),this.computeMultiscattering(a,o,ua,Wn.rgb,this.iridescenceF0Metallic);const u=xu(i,a,Xn),l=xu(n,o,Xn),d=i.add(n),c=Hn.mul(d.oneMinus()),h=r.mul(1/Math.PI),p=t.mul(u).add(l.mul(h)).toVar(),g=c.mul(h).toVar();if(!0===this.sheen){const e=gf({normal:Bc,viewDir:_c,roughness:Zn}),t=Kn.r.max(Kn.g).max(Kn.b).mul(e).oneMinus();p.mulAssign(t),g.mulAssign(t)}s.indirectSpecular.addAssign(p),s.indirectDiffuse.addAssign(g)}ambientOcclusion(e){const{ambientOcclusion:t,reflectedLight:r}=e.context,s=Bc.dot(_c).clamp().add(t),i=qn.mul(-16).oneMinus().negate().exp2(),n=t.sub(s.pow(i).oneMinus()).clamp();!0===this.clearcoat&&this.clearcoatSpecularIndirect.mulAssign(t),!0===this.sheen&&this.sheenSpecularIndirect.mulAssign(t),r.indirectDiffuse.mulAssign(t),r.indirectSpecular.mulAssign(n)}finish({context:e}){const{outgoingLight:t}=e;if(!0===this.clearcoat){const e=Fc.dot(_c).clamp(),r=gm({dotVH:e,f0:mf,f90:ff}),s=t.mul(Yn.mul(r).oneMinus()).add(this.clearcoatSpecularDirect.add(this.clearcoatSpecularIndirect).mul(Yn));t.assign(s)}if(!0===this.sheen){const e=t.add(this.sheenSpecularDirect,this.sheenSpecularIndirect.mul(1/Math.PI));t.assign(e)}}}const bf=Tn(1),xf=Tn(-2),Tf=Tn(.8),_f=Tn(-1),vf=Tn(.4),Nf=Tn(2),Sf=Tn(.305),Rf=Tn(3),Ef=Tn(.21),wf=Tn(4),Af=Tn(4),Cf=Tn(16),Mf=gn(([e])=>{const t=An($o(e)).toVar(),r=Tn(-1).toVar();return yn(t.x.greaterThan(t.z),()=>{yn(t.x.greaterThan(t.y),()=>{r.assign(Lu(e.x.greaterThan(0),0,3))}).Else(()=>{r.assign(Lu(e.y.greaterThan(0),1,4))})}).Else(()=>{yn(t.z.greaterThan(t.y),()=>{r.assign(Lu(e.z.greaterThan(0),2,5))}).Else(()=>{r.assign(Lu(e.y.greaterThan(0),1,4))})}),r}).setLayout({name:"getFace",type:"float",inputs:[{name:"direction",type:"vec3"}]}),Bf=gn(([e,t])=>{const r=Sn().toVar();return yn(t.equal(0),()=>{r.assign(Sn(e.z,e.y).div($o(e.x)))}).ElseIf(t.equal(1),()=>{r.assign(Sn(e.x.negate(),e.z.negate()).div($o(e.y)))}).ElseIf(t.equal(2),()=>{r.assign(Sn(e.x.negate(),e.y).div($o(e.z)))}).ElseIf(t.equal(3),()=>{r.assign(Sn(e.z.negate(),e.y).div($o(e.x)))}).ElseIf(t.equal(4),()=>{r.assign(Sn(e.x.negate(),e.z).div($o(e.y)))}).Else(()=>{r.assign(Sn(e.x,e.y).div($o(e.z)))}),Va(.5,r.add(1))}).setLayout({name:"getUV",type:"vec2",inputs:[{name:"direction",type:"vec3"},{name:"face",type:"float"}]}),Lf=gn(([e])=>{const t=Tn(0).toVar();return yn(e.greaterThanEqual(Tf),()=>{t.assign(bf.sub(e).mul(_f.sub(xf)).div(bf.sub(Tf)).add(xf))}).ElseIf(e.greaterThanEqual(vf),()=>{t.assign(Tf.sub(e).mul(Nf.sub(_f)).div(Tf.sub(vf)).add(_f))}).ElseIf(e.greaterThanEqual(Sf),()=>{t.assign(vf.sub(e).mul(Rf.sub(Nf)).div(vf.sub(Sf)).add(Nf))}).ElseIf(e.greaterThanEqual(Ef),()=>{t.assign(Sf.sub(e).mul(wf.sub(Rf)).div(Sf.sub(Ef)).add(Rf))}).Else(()=>{t.assign(Tn(-2).mul(No(Va(1.16,e))))}),t}).setLayout({name:"roughnessToMip",type:"float",inputs:[{name:"roughness",type:"float"}]}),Ff=gn(([e,t])=>{const r=e.toVar();r.assign(Va(2,r).sub(1));const s=An(r,1).toVar();return yn(t.equal(0),()=>{s.assign(s.zyx)}).ElseIf(t.equal(1),()=>{s.assign(s.xzy),s.xz.mulAssign(-1)}).ElseIf(t.equal(2),()=>{s.x.mulAssign(-1)}).ElseIf(t.equal(3),()=>{s.assign(s.zyx),s.xz.mulAssign(-1)}).ElseIf(t.equal(4),()=>{s.assign(s.xzy),s.xy.mulAssign(-1)}).ElseIf(t.equal(5),()=>{s.z.mulAssign(-1)}),s}).setLayout({name:"getDirection",type:"vec3",inputs:[{name:"uv",type:"vec2"},{name:"face",type:"float"}]}),Pf=gn(([e,t,r,s,i,n])=>{const a=Tn(r),o=An(t),u=Tu(Lf(a),xf,n),l=Co(u),d=Eo(u),c=An(Uf(e,o,d,s,i,n)).toVar();return yn(l.notEqual(0),()=>{const t=An(Uf(e,o,d.add(1),s,i,n)).toVar();c.assign(xu(c,t,l))}),c}),Uf=gn(([e,t,r,s,i,n])=>{const a=Tn(r).toVar(),o=An(t),u=Tn(Mf(o)).toVar(),l=Tn(su(Af.sub(a),0)).toVar();a.assign(su(a,Af));const d=Tn(_o(a)).toVar(),c=Sn(Bf(o,u).mul(d.sub(2)).add(1)).toVar();return yn(u.greaterThan(2),()=>{c.y.addAssign(d),u.subAssign(3)}),c.x.addAssign(u.mul(d)),c.x.addAssign(l.mul(Va(3,Cf))),c.y.addAssign(Va(4,_o(n).sub(d))),c.x.mulAssign(s),c.y.mulAssign(i),e.sample(c).grad(Sn(),Sn())}),Df=gn(({envMap:e,mipInt:t,outputDirection:r,theta:s,axis:i,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:a,CUBEUV_MAX_MIP:o})=>{const u=Lo(s),l=r.mul(u).add(i.cross(r).mul(Mo(s))).add(i.mul(i.dot(r).mul(u.oneMinus())));return Uf(e,l,t,n,a,o)}),If=gn(({n:e,latitudinal:t,poleAxis:r,outputDirection:s,weights:i,samples:n,dTheta:a,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})=>{const h=An(Lu(t,r,lu(r,s))).toVar();yn(h.equal(An(0)),()=>{h.assign(An(s.z,0,s.x.negate()))}),h.assign(Ao(h));const p=An().toVar();return p.addAssign(i.element(0).mul(Df({theta:0,axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),Zp({start:_n(1),end:e},({i:e})=>{yn(e.greaterThanEqual(n),()=>{Jp()});const t=Tn(a.mul(Tn(e))).toVar();p.addAssign(i.element(e).mul(Df({theta:t.mul(-1),axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),p.addAssign(i.element(e).mul(Df({theta:t,axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})))}),Ln(p,1)}),Of=gn(([e])=>{const t=vn(e).toVar();return t.assign(t.shiftLeft(vn(16)).bitOr(t.shiftRight(vn(16)))),t.assign(t.bitAnd(vn(1431655765)).shiftLeft(vn(1)).bitOr(t.bitAnd(vn(2863311530)).shiftRight(vn(1)))),t.assign(t.bitAnd(vn(858993459)).shiftLeft(vn(2)).bitOr(t.bitAnd(vn(3435973836)).shiftRight(vn(2)))),t.assign(t.bitAnd(vn(252645135)).shiftLeft(vn(4)).bitOr(t.bitAnd(vn(4042322160)).shiftRight(vn(4)))),t.assign(t.bitAnd(vn(16711935)).shiftLeft(vn(8)).bitOr(t.bitAnd(vn(4278255360)).shiftRight(vn(8)))),Tn(t).mul(2.3283064365386963e-10)}),Vf=gn(([e,t])=>Sn(Tn(e).div(Tn(t)),Of(e))),kf=gn(([e,t,r])=>{const s=r.mul(r).toConst(),i=An(1,0,0).toConst(),n=lu(t,i).toConst(),a=So(e.x).toConst(),o=Va(2,3.14159265359).mul(e.y).toConst(),u=a.mul(Lo(o)).toConst(),l=a.mul(Mo(o)).toVar(),d=Va(.5,t.z.add(1)).toConst();l.assign(d.oneMinus().mul(So(u.mul(u).oneMinus())).add(d.mul(l)));const c=i.mul(u).add(n.mul(l)).add(t.mul(So(su(0,u.mul(u).add(l.mul(l)).oneMinus()))));return Ao(An(s.mul(c.x),s.mul(c.y),su(0,c.z)))}),Gf=gn(({roughness:e,mipInt:t,envMap:r,N_immutable:s,GGX_SAMPLES:i,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:a,CUBEUV_MAX_MIP:o})=>{const u=An(s).toVar(),l=An(0).toVar(),d=Tn(0).toVar();return yn(e.lessThan(.001),()=>{l.assign(Uf(r,u,t,n,a,o))}).Else(()=>{const s=Lu($o(u.z).lessThan(.999),An(0,0,1),An(1,0,0)),c=Ao(lu(s,u)).toVar(),h=lu(u,c).toVar();Zp({start:vn(0),end:i},({i:s})=>{const p=Vf(s,i),g=kf(p,An(0,0,1),e),m=Ao(c.mul(g.x).add(h.mul(g.y)).add(u.mul(g.z))),f=Ao(m.mul(uu(u,m).mul(2)).sub(u)),y=su(uu(u,f),0);yn(y.greaterThan(0),()=>{const e=Uf(r,f,t,n,a,o);l.addAssign(e.mul(y)),d.addAssign(y)})}),yn(d.greaterThan(0),()=>{l.assign(l.div(d))})}),Ln(l,1)}),$f=[.125,.215,.35,.446,.526,.582],zf=20,Wf=new Ne(-1,1,1,-1,0,1),Hf=new Se(90,1),jf=new e;let qf=null,Xf=0,Yf=0;const Qf=new r,Kf=new WeakMap,Zf=[3,1,5,0,4,2],Jf=Ff(ql(),jl("faceIndex")).normalize(),ey=An(Jf.x,Jf.y,Jf.z);class ty{constructor(e){this._renderer=e,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._sizeLods=[],this._sigmas=[],this._lodMeshes=[],this._blurMaterial=null,this._ggxMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._backgroundBox=null}get _hasInitialized(){return this._renderer.hasInitialized()}fromScene(e,t=0,r=.1,s=100,i={}){const{size:n=256,position:a=Qf,renderTarget:o=null}=i;if(this._setSize(n),!1===this._hasInitialized)throw new Error('THREE.PMREMGenerator: .fromScene() called before the backend is initialized. Use "await renderer.init();" before using this method.');qf=this._renderer.getRenderTarget(),Xf=this._renderer.getActiveCubeFace(),Yf=this._renderer.getActiveMipmapLevel();const u=o||this._allocateTarget(!0);return this._init(u),this._sceneToCubeUV(e,r,s,u,a),t>0&&this._blur(u,0,0,t),this._applyPMREM(u),this._cleanup(u),u}async fromSceneAsync(e,t=0,r=.1,s=100,i={}){return v('PMREMGenerator: ".fromSceneAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this.fromScene(e,t,r,s,i)}fromEquirectangular(e,t=null){if(!1===this._hasInitialized)throw new Error('THREE.PMREMGenerator: .fromEquirectangular() called before the backend is initialized. Use "await renderer.init();" before using this method.');return this._fromTexture(e,t)}async fromEquirectangularAsync(e,t=null){return v('PMREMGenerator: ".fromEquirectangularAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this._fromTexture(e,t)}fromCubemap(e,t=null){if(!1===this._hasInitialized)throw new Error('THREE.PMREMGenerator: .fromCubemap() called before the backend is initialized. Use "await renderer.init();" before using this method.');return this._fromTexture(e,t)}async fromCubemapAsync(e,t=null){return v('PMREMGenerator: ".fromCubemapAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this._fromTexture(e,t)}async compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=iy(),await this._compileMaterial(this._cubemapMaterial))}async compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=ny(),await this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose(),null!==this._backgroundBox&&(this._backgroundBox.geometry.dispose(),this._backgroundBox.material.dispose())}_setSizeFromTexture(e){e.mapping===D||e.mapping===I?this._setSize(0===e.image.length?16:e.image[0].width||e.image[0].image.width):this._setSize(e.image.width/4)}_setSize(e){this._lodMax=Math.floor(Math.log2(e)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._ggxMaterial&&this._ggxMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let e=0;e<this._lodMeshes.length;e++)this._lodMeshes[e].geometry.dispose()}_cleanup(e){this._renderer.setRenderTarget(qf,Xf,Yf),e.scissorTest=!1,this._setViewport(e,0,0,e.width,e.height)}_fromTexture(e,t){this._setSizeFromTexture(e),qf=this._renderer.getRenderTarget(),Xf=this._renderer.getActiveCubeFace(),Yf=this._renderer.getActiveMipmapLevel();const r=t||this._allocateTarget(!1);return this._init(r),this._textureToCubeUV(e,r),this._applyPMREM(r),this._cleanup(r),r}_allocateTarget(e){return ry(3*Math.max(this._cubeSize,112),4*this._cubeSize,e)}_init(e){if(null===this._pingPongRenderTarget||this._pingPongRenderTarget.width!==e.width||this._pingPongRenderTarget.height!==e.height){null!==this._pingPongRenderTarget&&this._dispose(),this._pingPongRenderTarget=ry(e.width,e.height);const{_lodMax:t}=this;({lodMeshes:this._lodMeshes,sizeLods:this._sizeLods,sigmas:this._sigmas}=function(e){const t=[],r=[],s=[];let i=e;const n=e-4+1+$f.length;for(let a=0;a<n;a++){const n=Math.pow(2,i);t.push(n);let o=1/n;a>e-4?o=$f[a-e+4-1]:0===a&&(o=0),r.push(o);const u=1/(n-2),l=-u,d=1+u,c=[l,l,d,l,d,d,l,l,d,d,l,d],h=6,p=6,g=3,m=2,f=1,y=new Float32Array(g*p*h),b=new Float32Array(m*p*h),x=new Float32Array(f*p*h);for(let e=0;e<h;e++){const t=e%3*2/3-1,r=e>2?0:-1,s=[t,r,0,t+2/3,r,0,t+2/3,r+1,0,t,r,0,t+2/3,r+1,0,t,r+1,0],i=Zf[e];y.set(s,g*p*i),b.set(c,m*p*i);const n=[i,i,i,i,i,i];x.set(n,f*p*i)}const T=new ve;T.setAttribute("position",new Ae(y,g)),T.setAttribute("uv",new Ae(b,m)),T.setAttribute("faceIndex",new Ae(x,f)),s.push(new oe(T,null)),i>4&&i--}return{lodMeshes:s,sizeLods:t,sigmas:r}}(t)),this._blurMaterial=function(e,t,s){const i=ud(new Array(zf).fill(0)),n=Aa(new r(0,1,0)),a=Aa(0),o=Tn(zf),u=Aa(0),l=Aa(1),d=rd(),c=Aa(0),h=Tn(1/t),p=Tn(1/s),g=Tn(e),m={n:o,latitudinal:u,weights:i,poleAxis:n,outputDirection:ey,dTheta:a,samples:l,envMap:d,mipInt:c,CUBEUV_TEXEL_WIDTH:h,CUBEUV_TEXEL_HEIGHT:p,CUBEUV_MAX_MIP:g},f=sy("blur");return f.fragmentNode=If({...m,latitudinal:u.equal(1)}),Kf.set(f,m),f}(t,e.width,e.height),this._ggxMaterial=function(e,t,r){const s=rd(),i=Aa(0),n=Aa(0),a=Tn(1/t),o=Tn(1/r),u=Tn(e),l={envMap:s,roughness:i,mipInt:n,CUBEUV_TEXEL_WIDTH:a,CUBEUV_TEXEL_HEIGHT:o,CUBEUV_MAX_MIP:u},d=sy("ggx");return d.fragmentNode=Gf({...l,N_immutable:ey,GGX_SAMPLES:vn(512)}),Kf.set(d,l),d}(t,e.width,e.height)}}async _compileMaterial(e){const t=new oe(new ve,e);await this._renderer.compile(t,Wf)}_sceneToCubeUV(e,t,r,s,i){const n=Hf;n.near=t,n.far=r;const a=[1,1,1,1,-1,1],o=[1,-1,1,-1,1,-1],u=this._renderer,l=u.autoClear;u.getClearColor(jf),u.autoClear=!1,null===this._backgroundBox&&(this._backgroundBox=new oe(new ae,new fe({name:"PMREM.Background",side:F,depthWrite:!1,depthTest:!1})));const d=this._backgroundBox,c=d.material;let h=!1;const p=e.background;p?p.isColor&&(c.color.copy(p),e.background=null,h=!0):(c.color.copy(jf),h=!0),u.setRenderTarget(s),u.clear(),h&&u.render(d,n);for(let t=0;t<6;t++){const r=t%3;0===r?(n.up.set(0,a[t],0),n.position.set(i.x,i.y,i.z),n.lookAt(i.x+o[t],i.y,i.z)):1===r?(n.up.set(0,0,a[t]),n.position.set(i.x,i.y,i.z),n.lookAt(i.x,i.y+o[t],i.z)):(n.up.set(0,a[t],0),n.position.set(i.x,i.y,i.z),n.lookAt(i.x,i.y,i.z+o[t]));const l=this._cubeSize;this._setViewport(s,r*l,t>2?l:0,l,l),u.render(e,n)}u.autoClear=l,e.background=p}_textureToCubeUV(e,t){const r=this._renderer,s=e.mapping===D||e.mapping===I;s?null===this._cubemapMaterial&&(this._cubemapMaterial=iy(e)):null===this._equirectMaterial&&(this._equirectMaterial=ny(e));const i=s?this._cubemapMaterial:this._equirectMaterial;i.fragmentNode.value=e;const n=this._lodMeshes[0];n.material=i;const a=this._cubeSize;this._setViewport(t,0,0,3*a,2*a),r.setRenderTarget(t),r.render(n,Wf)}_applyPMREM(e){const t=this._renderer,r=t.autoClear;t.autoClear=!1;const s=this._lodMeshes.length;for(let t=1;t<s;t++)this._applyGGXFilter(e,t-1,t);t.autoClear=r}_applyGGXFilter(e,t,r){const s=this._renderer,i=this._pingPongRenderTarget,n=this._ggxMaterial,a=this._lodMeshes[r];a.material=n;const o=Kf.get(n),u=r/(this._lodMeshes.length-1),l=t/(this._lodMeshes.length-1),d=Math.sqrt(u*u-l*l)*(0+1.25*u),{_lodMax:c}=this,h=this._sizeLods[r],p=3*h*(r>c-4?r-c+4:0),g=4*(this._cubeSize-h);e.texture.frame=(e.texture.frame||0)+1,o.envMap.value=e.texture,o.roughness.value=d,o.mipInt.value=c-t,this._setViewport(i,p,g,3*h,2*h),s.setRenderTarget(i),s.render(a,Wf),i.texture.frame=(i.texture.frame||0)+1,o.envMap.value=i.texture,o.roughness.value=0,o.mipInt.value=c-r,this._setViewport(e,p,g,3*h,2*h),s.setRenderTarget(e),s.render(a,Wf)}_blur(e,t,r,s,i){const n=this._pingPongRenderTarget;this._halfBlur(e,n,t,r,s,"latitudinal",i),this._halfBlur(n,e,r,r,s,"longitudinal",i)}_halfBlur(e,t,r,s,i,n,a){const u=this._renderer,l=this._blurMaterial;"latitudinal"!==n&&"longitudinal"!==n&&o("blur direction must be either latitudinal or longitudinal!");const c=this._lodMeshes[s];c.material=l;const h=Kf.get(l),p=this._sizeLods[r]-1,g=isFinite(i)?Math.PI/(2*p):2*Math.PI/39,m=i/g,f=isFinite(i)?1+Math.floor(3*m):zf;f>zf&&d(`sigmaRadians, ${i}, is too large and will clip, as it requested ${f} samples when the maximum is set to 20`);const y=[];let b=0;for(let e=0;e<zf;++e){const t=e/m,r=Math.exp(-t*t/2);y.push(r),0===e?b+=r:e<f&&(b+=2*r)}for(let e=0;e<y.length;e++)y[e]=y[e]/b;e.texture.frame=(e.texture.frame||0)+1,h.envMap.value=e.texture,h.samples.value=f,h.weights.array=y,h.latitudinal.value="latitudinal"===n?1:0,a&&(h.poleAxis.value=a);const{_lodMax:x}=this;h.dTheta.value=g,h.mipInt.value=x-r;const T=this._sizeLods[s],_=3*T*(s>x-4?s-x+4:0),v=4*(this._cubeSize-T);this._setViewport(t,_,v,3*T,2*T),u.setRenderTarget(t),u.render(c,Wf)}_setViewport(e,t,r,s,i){this._renderer.isWebGLRenderer?(e.viewport.set(t,e.height-i-r,s,i),e.scissor.set(t,e.height-i-r,s,i)):(e.viewport.set(t,r,s,i),e.scissor.set(t,r,s,i))}}function ry(e,t,r){const s=new ne(e,t,{magFilter:le,minFilter:le,generateMipmaps:!1,type:Te,format:Ee,colorSpace:Re,depthBuffer:r});return s.texture.mapping=we,s.texture.name="PMREM.cubeUv",s.texture.isPMREMTexture=!0,s.scissorTest=!0,s}function sy(e){const t=new Ig;return t.depthTest=!1,t.depthWrite=!1,t.blending=re,t.name=`PMREM_${e}`,t}function iy(e){const t=sy("cubemap");return t.fragmentNode=Qc(e,ey),t}function ny(e){const t=sy("equirect");return t.fragmentNode=rd(e,em(ey),0),t}const ay=new WeakMap;function oy(e,t,r){const s=function(e){let t=ay.get(e);void 0===t&&(t=new WeakMap,ay.set(e,t));return t}(t);let i=s.get(e);if((void 0!==i?i.pmremVersion:-1)!==e.pmremVersion){const t=e.image;if(e.isCubeTexture){if(!function(e){if(null==e)return!1;let t=0;const r=6;for(let s=0;s<r;s++)void 0!==e[s]&&t++;return t===r}(t))return null;i=r.fromCubemap(e,i)}else{if(!function(e){return null!=e&&e.height>0}(t))return null;i=r.fromEquirectangular(e,i)}i.pmremVersion=e.pmremVersion,s.set(e,i)}return i.texture}class uy extends fi{static get type(){return"PMREMNode"}constructor(e,t=null,r=null){super("vec3"),this._value=e,this._pmrem=null,this.uvNode=t,this.levelNode=r,this._generator=null;const s=new N;s.isRenderTargetTexture=!0,this._texture=rd(s),this._width=Aa(0),this._height=Aa(0),this._maxMip=Aa(0),this.updateBeforeType=ii.RENDER}set value(e){this._value=e,this._pmrem=null}get value(){return this._value}updateFromTexture(e){const t=function(e){const t=Math.log2(e)-2,r=1/e;return{texelWidth:1/(3*Math.max(Math.pow(2,t),112)),texelHeight:r,maxMip:t}}(e.image.height);this._texture.value=e,this._width.value=t.texelWidth,this._height.value=t.texelHeight,this._maxMip.value=t.maxMip}updateBefore(e){let t=this._pmrem;const r=t?t.pmremVersion:-1,s=this._value;r!==s.pmremVersion&&(t=!0===s.isPMREMTexture||s.mapping===we?s:oy(s,e.renderer,this._generator),null!==t&&(this._pmrem=t,this.updateFromTexture(t)))}setup(e){null===this._generator&&(this._generator=new ty(e.renderer)),this.updateBefore(e);let t=this.uvNode;null===t&&e.context.getUV&&(t=e.context.getUV(this,e)),t=this._pmrem.isRenderTargetTexture?$c.mul(An(t.x,t.y.negate(),t.z)):$c.mul(t);let r=this.levelNode;return null===r&&e.context.getTextureLevel&&(r=e.context.getTextureLevel(this)),Pf(this._texture,t,r,this._width,this._height,this._maxMip)}dispose(){super.dispose(),null!==this._generator&&this._generator.dispose()}}const ly=un(uy).setParameterLength(1,3),dy=new WeakMap;class cy extends ag{static get type(){return"EnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){const{material:t}=e;let r=this.envNode;if(r.isTextureNode||r.isMaterialReferenceNode){const s=r.isTextureNode?r.value:t[r.property],i=this._getPMREMNodeCache(e.renderer);let n=i.get(s);void 0===n&&(n=ly(s),i.set(s,n)),r=n}const s=!0===t.useAnisotropy||t.anisotropy>0?Ah:Bc,i=r.context(hy(qn,s)).mul(Gc),n=r.context(py(Lc)).mul(Math.PI).mul(Gc),a=wl(i),o=wl(n);e.context.radiance.addAssign(a),e.context.iblIrradiance.addAssign(o);const u=e.context.lightingModel.clearcoatRadiance;if(u){const e=r.context(hy(Qn,Fc)).mul(Gc),t=wl(e);u.addAssign(t)}}_getPMREMNodeCache(e){let t=dy.get(e);return void 0===t&&(t=new WeakMap,dy.set(e,t)),t}}const hy=(e,t)=>{let r=null;return{getUV:()=>(null===r&&(r=_c.negate().reflect(t),r=pu(e).mix(r,t).normalize(),r=r.transformDirection(zd)),r),getTextureLevel:()=>e}},py=e=>({getUV:()=>e,getTextureLevel:()=>Tn(1)}),gy=new Ce;class my extends Ig{static get type(){return"MeshStandardNodeMaterial"}constructor(e){super(),this.isMeshStandardNodeMaterial=!0,this.lights=!0,this.emissiveNode=null,this.metalnessNode=null,this.roughnessNode=null,this.setDefaultValues(gy),this.setValues(e)}setupEnvironment(e){let t=super.setupEnvironment(e);return null===t&&e.environmentNode&&(t=e.environmentNode),t?new cy(t):null}setupLightingModel(){return new yf}setupSpecular(){const e=xu(An(.04),Wn.rgb,Xn);aa.assign(An(.04)),oa.assign(e),ua.assign(1)}setupVariants(){const e=this.metalnessNode?Tn(this.metalnessNode):Kh;Xn.assign(e);let t=this.roughnessNode?Tn(this.roughnessNode):Qh;t=Sm({roughness:t}),qn.assign(t),this.setupSpecular(),Hn.assign(Wn.rgb.mul(e.oneMinus()))}copy(e){return this.emissiveNode=e.emissiveNode,this.metalnessNode=e.metalnessNode,this.roughnessNode=e.roughnessNode,super.copy(e)}}const fy=new Me;class yy extends my{static get type(){return"MeshPhysicalNodeMaterial"}constructor(e){super(),this.isMeshPhysicalNodeMaterial=!0,this.clearcoatNode=null,this.clearcoatRoughnessNode=null,this.clearcoatNormalNode=null,this.sheenNode=null,this.sheenRoughnessNode=null,this.iridescenceNode=null,this.iridescenceIORNode=null,this.iridescenceThicknessNode=null,this.specularIntensityNode=null,this.specularColorNode=null,this.iorNode=null,this.transmissionNode=null,this.thicknessNode=null,this.attenuationDistanceNode=null,this.attenuationColorNode=null,this.dispersionNode=null,this.anisotropyNode=null,this.setDefaultValues(fy),this.setValues(e)}get useClearcoat(){return this.clearcoat>0||null!==this.clearcoatNode}get useIridescence(){return this.iridescence>0||null!==this.iridescenceNode}get useSheen(){return this.sheen>0||null!==this.sheenNode}get useAnisotropy(){return this.anisotropy>0||null!==this.anisotropyNode}get useTransmission(){return this.transmission>0||null!==this.transmissionNode}get useDispersion(){return this.dispersion>0||null!==this.dispersionNode}setupSpecular(){const e=this.iorNode?Tn(this.iorNode):cp;ga.assign(e),aa.assign(ru(cu(ga.sub(1).div(ga.add(1))).mul(qh),An(1)).mul(jh)),oa.assign(xu(aa,Wn.rgb,Xn)),ua.assign(xu(jh,1,Xn))}setupLightingModel(){return new yf(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion)}setupVariants(e){if(super.setupVariants(e),this.useClearcoat){const e=this.clearcoatNode?Tn(this.clearcoatNode):Jh,t=this.clearcoatRoughnessNode?Tn(this.clearcoatRoughnessNode):ep;Yn.assign(e),Qn.assign(Sm({roughness:t}))}if(this.useSheen){const e=this.sheenNode?An(this.sheenNode):sp,t=this.sheenRoughnessNode?Tn(this.sheenRoughnessNode):ip;Kn.assign(e),Zn.assign(t)}if(this.useIridescence){const e=this.iridescenceNode?Tn(this.iridescenceNode):ap,t=this.iridescenceIORNode?Tn(this.iridescenceIORNode):op,r=this.iridescenceThicknessNode?Tn(this.iridescenceThicknessNode):up;Jn.assign(e),ea.assign(t),ta.assign(r)}if(this.useAnisotropy){const e=(this.anisotropyNode?Sn(this.anisotropyNode):np).toVar();sa.assign(e.length()),yn(sa.equal(0),()=>{e.assign(Sn(1,0))}).Else(()=>{e.divAssign(Sn(sa)),sa.assign(sa.saturate())}),ra.assign(sa.pow2().mix(qn.pow2(),1)),ia.assign(Eh[0].mul(e.x).add(Eh[1].mul(e.y))),na.assign(Eh[1].mul(e.x).sub(Eh[0].mul(e.y)))}if(this.useTransmission){const e=this.transmissionNode?Tn(this.transmissionNode):lp,t=this.thicknessNode?Tn(this.thicknessNode):dp,r=this.attenuationDistanceNode?Tn(this.attenuationDistanceNode):hp,s=this.attenuationColorNode?An(this.attenuationColorNode):pp;if(ma.assign(e),fa.assign(t),ya.assign(r),ba.assign(s),this.useDispersion){const e=this.dispersionNode?Tn(this.dispersionNode):Tp;xa.assign(e)}}}setupClearcoatNormal(){return this.clearcoatNormalNode?An(this.clearcoatNormalNode):tp}setup(e){e.context.setupClearcoatNormal=()=>ju(this.setupClearcoatNormal(e),"NORMAL","vec3"),super.setup(e)}copy(e){return this.clearcoatNode=e.clearcoatNode,this.clearcoatRoughnessNode=e.clearcoatRoughnessNode,this.clearcoatNormalNode=e.clearcoatNormalNode,this.sheenNode=e.sheenNode,this.sheenRoughnessNode=e.sheenRoughnessNode,this.iridescenceNode=e.iridescenceNode,this.iridescenceIORNode=e.iridescenceIORNode,this.iridescenceThicknessNode=e.iridescenceThicknessNode,this.specularIntensityNode=e.specularIntensityNode,this.specularColorNode=e.specularColorNode,this.iorNode=e.iorNode,this.transmissionNode=e.transmissionNode,this.thicknessNode=e.thicknessNode,this.attenuationDistanceNode=e.attenuationDistanceNode,this.attenuationColorNode=e.attenuationColorNode,this.dispersionNode=e.dispersionNode,this.anisotropyNode=e.anisotropyNode,super.copy(e)}}class by extends yf{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1,a=!1){super(e,t,r,s,i,n),this.useSSS=a}direct({lightDirection:e,lightColor:t,reflectedLight:r},s){if(!0===this.useSSS){const i=s.material,{thicknessColorNode:n,thicknessDistortionNode:a,thicknessAmbientNode:o,thicknessAttenuationNode:u,thicknessPowerNode:l,thicknessScaleNode:d}=i,c=e.add(Bc.mul(a)).normalize(),h=Tn(_c.dot(c.negate()).saturate().pow(l).mul(d)),p=An(h.add(o).mul(n));r.directDiffuse.addAssign(p.mul(u.mul(t)))}super.direct({lightDirection:e,lightColor:t,reflectedLight:r},s)}}class xy extends yy{static get type(){return"MeshSSSNodeMaterial"}constructor(e){super(e),this.thicknessColorNode=null,this.thicknessDistortionNode=Tn(.1),this.thicknessAmbientNode=Tn(0),this.thicknessAttenuationNode=Tn(.1),this.thicknessPowerNode=Tn(2),this.thicknessScaleNode=Tn(10)}get useSSS(){return null!==this.thicknessColorNode}setupLightingModel(){return new by(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion,this.useSSS)}copy(e){return this.thicknessColorNode=e.thicknessColorNode,this.thicknessDistortionNode=e.thicknessDistortionNode,this.thicknessAmbientNode=e.thicknessAmbientNode,this.thicknessAttenuationNode=e.thicknessAttenuationNode,this.thicknessPowerNode=e.thicknessPowerNode,this.thicknessScaleNode=e.thicknessScaleNode,super.copy(e)}}const Ty=gn(({normal:e,lightDirection:t,builder:r})=>{const s=e.dot(t),i=Sn(s.mul(.5).add(.5),0);if(r.material.gradientMap){const e=rh("gradientMap","texture").context({getUV:()=>i});return An(e.r)}{const e=i.fwidth().mul(.5);return xu(An(.7),An(1),Nu(Tn(.7).sub(e.x),Tn(.7).add(e.x),i.x))}});class _y extends dm{direct({lightDirection:e,lightColor:t,reflectedLight:r},s){const i=Ty({normal:Ec,lightDirection:e,builder:s}).mul(t);r.directDiffuse.addAssign(i.mul(mm({diffuseColor:Wn.rgb})))}indirect(e){const{ambientOcclusion:t,irradiance:r,reflectedLight:s}=e.context;s.indirectDiffuse.addAssign(r.mul(mm({diffuseColor:Wn}))),s.indirectDiffuse.mulAssign(t)}}const vy=new Be;class Ny extends Ig{static get type(){return"MeshToonNodeMaterial"}constructor(e){super(),this.isMeshToonNodeMaterial=!0,this.lights=!0,this.setDefaultValues(vy),this.setValues(e)}setupLightingModel(){return new _y}}const Sy=gn(()=>{const e=An(_c.z,0,_c.x.negate()).normalize(),t=_c.cross(e);return Sn(e.dot(Bc),t.dot(Bc)).mul(.495).add(.5)}).once(["NORMAL","VERTEX"])().toVar("matcapUV"),Ry=new Le;class Ey extends Ig{static get type(){return"MeshMatcapNodeMaterial"}constructor(e){super(),this.isMeshMatcapNodeMaterial=!0,this.setDefaultValues(Ry),this.setValues(e)}setupVariants(e){const t=Sy;let r;r=e.material.matcap?rh("matcap","texture").context({getUV:()=>t}):An(xu(.2,.8,t.y)),Wn.rgb.mulAssign(r.rgb)}}class wy extends fi{static get type(){return"RotateNode"}constructor(e,t){super(),this.positionNode=e,this.rotationNode=t}generateNodeType(e){return this.positionNode.getNodeType(e)}setup(e){const{rotationNode:t,positionNode:r}=this;if("vec2"===this.getNodeType(e)){const e=t.cos(),s=t.sin();return Dn(e,s,s.negate(),e).mul(r)}{const e=t,s=On(Ln(1,0,0,0),Ln(0,Lo(e.x),Mo(e.x).negate(),0),Ln(0,Mo(e.x),Lo(e.x),0),Ln(0,0,0,1)),i=On(Ln(Lo(e.y),0,Mo(e.y),0),Ln(0,1,0,0),Ln(Mo(e.y).negate(),0,Lo(e.y),0),Ln(0,0,0,1)),n=On(Ln(Lo(e.z),Mo(e.z).negate(),0,0),Ln(Mo(e.z),Lo(e.z),0,0),Ln(0,0,1,0),Ln(0,0,0,1));return s.mul(i).mul(n).mul(Ln(r,1)).xyz}}}const Ay=un(wy).setParameterLength(2),Cy=new Fe;class My extends Ig{static get type(){return"SpriteNodeMaterial"}constructor(e){super(),this.isSpriteNodeMaterial=!0,this._useSizeAttenuation=!0,this.positionNode=null,this.rotationNode=null,this.scaleNode=null,this.transparent=!0,this.setDefaultValues(Cy),this.setValues(e)}setupPositionView(e){const{object:t,camera:r}=e,{positionNode:s,rotationNode:i,scaleNode:n,sizeAttenuation:a}=this,o=dc.mul(An(s||0));let u=Sn(sc[0].xyz.length(),sc[1].xyz.length());null!==n&&(u=u.mul(Sn(n))),r.isPerspectiveCamera&&!1===a&&(u=u.mul(o.z.negate()));let l=mc.xy;if(t.center&&!0===t.center.isVector2){const e=((e,t,r)=>new sl(e,t,r))("center","vec2",t);l=l.sub(e.sub(.5))}l=l.mul(u);const d=Tn(i||rp),c=Ay(l,d);return Ln(o.xy.add(c),o.zw)}copy(e){return this.positionNode=e.positionNode,this.rotationNode=e.rotationNode,this.scaleNode=e.scaleNode,super.copy(e)}get sizeAttenuation(){return this._useSizeAttenuation}set sizeAttenuation(e){this._useSizeAttenuation!==e&&(this._useSizeAttenuation=e,this.needsUpdate=!0)}}const By=new Pe,Ly=new t;class Fy extends My{static get type(){return"PointsNodeMaterial"}constructor(e){super(),this.sizeNode=null,this.isPointsNodeMaterial=!0,this.setDefaultValues(By),this.setValues(e)}setupPositionView(){const{positionNode:e}=this;return dc.mul(An(e||fc)).xyz}setupVertexSprite(e){const{material:t,camera:r}=e,{rotationNode:s,scaleNode:i,sizeNode:n,sizeAttenuation:a}=this;let o=super.setupVertex(e);if(!0!==t.isNodeMaterial)return o;let u=null!==n?Sn(n):xp;u=u.mul(gd),r.isPerspectiveCamera&&!0===a&&(u=u.mul(Py.div(Tc.z.negate()))),i&&i.isNode&&(u=u.mul(Sn(i)));let l=mc.xy;if(s&&s.isNode){const e=Tn(s);l=Ay(l,e)}return l=l.mul(u),l=l.div(xd.div(2)),l=l.mul(o.w),o=o.add(Ln(l,0,0)),o}setupVertex(e){return e.object.isPoints?super.setupVertex(e):this.setupVertexSprite(e)}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}}const Py=Aa(1).onFrameUpdate(function({renderer:e}){const t=e.getSize(Ly);this.value=.5*t.y});class Uy extends dm{constructor(){super(),this.shadowNode=Tn(1).toVar("shadowMask")}direct({lightNode:e}){null!==e.shadowNode&&this.shadowNode.mulAssign(e.shadowNode)}finish({context:e}){Wn.a.mulAssign(this.shadowNode.oneMinus()),e.outgoingLight.rgb.assign(Wn.rgb)}}const Dy=new Ue;class Iy extends Ig{static get type(){return"ShadowNodeMaterial"}constructor(e){super(),this.isShadowNodeMaterial=!0,this.lights=!0,this.transparent=!0,this.setDefaultValues(Dy),this.setValues(e)}setupLightingModel(){return new Uy}}const Oy=$n("vec3"),Vy=$n("vec3"),ky=$n("vec3");class Gy extends dm{constructor(){super()}start(e){const{material:t}=e,r=$n("vec3"),s=$n("vec3");yn(Hd.sub(bc).length().greaterThan(oc.mul(2)),()=>{r.assign(Hd),s.assign(bc)}).Else(()=>{r.assign(bc),s.assign(Hd)});const i=s.sub(r),n=Aa("int").onRenderUpdate(({material:e})=>e.steps),a=i.length().div(n).toVar(),o=i.normalize().toVar(),u=Tn(0).toVar(),l=An(1).toVar();t.offsetNode&&u.addAssign(t.offsetNode.mul(a)),Zp(n,()=>{const s=r.add(o.mul(u)),i=$d.mul(Ln(s,1)).xyz;let n;null!==t.depthNode&&(Vy.assign(Cg(Ng(i.z,Od,Vd))),e.context.sceneDepthNode=Cg(t.depthNode).toVar()),e.context.positionWorld=s,e.context.shadowPositionWorld=s,e.context.positionView=i,Oy.assign(0),t.scatteringNode&&(n=t.scatteringNode({positionRay:s})),super.start(e),n&&Oy.mulAssign(n);const d=Oy.mul(.01).negate().mul(a).exp();l.mulAssign(d),u.addAssign(a)}),ky.addAssign(l.saturate().oneMinus())}scatteringLight(e,t){const r=t.context.sceneDepthNode;r?yn(r.greaterThanEqual(Vy),()=>{Oy.addAssign(e)}):Oy.addAssign(e)}direct({lightNode:e,lightColor:t},r){if(void 0===e.light.distance)return;const s=t.xyz.toVar();s.mulAssign(e.shadowNode),this.scatteringLight(s,r)}directRectArea({lightColor:e,lightPosition:t,halfWidth:r,halfHeight:s},i){const n=t.add(r).sub(s),a=t.sub(r).sub(s),o=t.sub(r).add(s),u=t.add(r).add(s),l=i.context.positionView,d=e.xyz.mul(Wm({P:l,p0:n,p1:a,p2:o,p3:u})).pow(1.5);this.scatteringLight(d,i)}finish(e){e.context.outgoingLight.assign(ky)}}class $y extends Ig{static get type(){return"VolumeNodeMaterial"}constructor(e){super(),this.isVolumeNodeMaterial=!0,this.steps=25,this.offsetNode=null,this.scatteringNode=null,this.lights=!0,this.transparent=!0,this.side=F,this.depthTest=!1,this.depthWrite=!1,this.setValues(e)}setupLightingModel(){return new Gy}}class zy{constructor(e,t,r){this.renderer=e,this.nodes=t,this.info=r,this._context="undefined"!=typeof self?self:null,this._animationLoop=null,this._requestId=null}start(){const e=(t,r)=>{this._requestId=this._context.requestAnimationFrame(e),!0===this.info.autoReset&&this.info.reset(),this.nodes.nodeFrame.update(),this.info.frame=this.nodes.nodeFrame.frameId,this.renderer._inspector.begin(),null!==this._animationLoop&&this._animationLoop(t,r),this.renderer._inspector.finish()};e()}stop(){null!==this._context&&this._context.cancelAnimationFrame(this._requestId),this._requestId=null}getAnimationLoop(){return this._animationLoop}setAnimationLoop(e){this._animationLoop=e}getContext(){return this._context}setContext(e){this._context=e}dispose(){this.stop()}}class Wy{constructor(){this.weakMaps={}}_getWeakMap(e){const t=e.length;let r=this.weakMaps[t];return void 0===r&&(r=new WeakMap,this.weakMaps[t]=r),r}get(e){let t=this._getWeakMap(e);for(let r=0;r<e.length-1;r++)if(t=t.get(e[r]),void 0===t)return;return t.get(e[e.length-1])}set(e,t){let r=this._getWeakMap(e);for(let t=0;t<e.length-1;t++){const s=e[t];!1===r.has(s)&&r.set(s,new WeakMap),r=r.get(s)}return r.set(e[e.length-1],t),this}delete(e){let t=this._getWeakMap(e);for(let r=0;r<e.length-1;r++)if(t=t.get(e[r]),void 0===t)return!1;return t.delete(e[e.length-1])}}let Hy=0;class jy{constructor(e,t,r,s,i,n,a,o,u,l){this.id=Hy++,this._nodes=e,this._geometries=t,this.renderer=r,this.object=s,this.material=i,this.scene=n,this.camera=a,this.lightsNode=o,this.context=u,this.geometry=s.geometry,this.version=i.version,this.drawRange=null,this.attributes=null,this.attributesId=null,this.pipeline=null,this.group=null,this.vertexBuffers=null,this.drawParams=null,this.bundle=null,this.clippingContext=l,this.clippingContextCacheKey=null!==l?l.cacheKey:"",this.initialNodesCacheKey=this.getDynamicCacheKey(),this.initialCacheKey=this.getCacheKey(),this._nodeBuilderState=null,this._bindings=null,this._monitor=null,this._sourceMaterial=r._currentSourceMaterial,this.onDispose=null,this.isRenderObject=!0,this.onMaterialDispose=()=>{this.dispose()},this.onGeometryDispose=()=>{this.attributes=null,this.attributesId=null},this.material.addEventListener("dispose",this.onMaterialDispose),this.geometry.addEventListener("dispose",this.onGeometryDispose),null!==this._sourceMaterial&&this._sourceMaterial.addEventListener("dispose",this.onMaterialDispose)}updateClipping(e){this.clippingContext=e}get clippingNeedsUpdate(){return null!==this.clippingContext&&this.clippingContext.cacheKey!==this.clippingContextCacheKey&&(this.clippingContextCacheKey=this.clippingContext.cacheKey,!0)}get hardwareClippingPlanes(){return!0===this.getNodeBuilderState().hardwareClipping?this.clippingContext.unionClippingCount:0}getNodeBuilderState(){return this._nodeBuilderState||(this._nodeBuilderState=this._nodes.getForRender(this))}getMonitor(){return this._monitor||(this._monitor=this.getNodeBuilderState().observer)}getBindings(){return this._bindings||(this._bindings=this.getNodeBuilderState().createBindings())}getBindingGroup(e){for(const t of this.getBindings())if(t.name===e)return t}getIndex(){return this._geometries.getIndex(this)}getIndirect(){return this._geometries.getIndirect(this)}getIndirectOffset(){return this._geometries.getIndirectOffset(this)}getChainArray(){return[this.object,this.material,this.context,this.lightsNode]}setGeometry(e){this.geometry=e,this.attributes=null,this.attributesId=null}getAttributes(){if(null!==this.attributes)return this.attributes;const e=this.getNodeBuilderState().nodeAttributes,t=this.geometry,r=[],s=new Set,i={};for(const n of e){let e;if(n.node&&n.node.attribute?e=n.node.attribute:(e=t.getAttribute(n.name),void 0!==e&&(e.isInterleavedBufferAttribute?i[n.name]=e.data.uuid:i[n.name]=e.id)),void 0===e)continue;r.push(e);const a=e.isInterleavedBufferAttribute?e.data:e;s.add(a)}return this.attributes=r,this.attributesId=i,this.vertexBuffers=Array.from(s.values()),r}getVertexBuffers(){return null===this.vertexBuffers&&this.getAttributes(),this.vertexBuffers}getDrawParameters(){const{object:e,material:t,geometry:r,group:s,drawRange:i}=this,n=this.drawParams||(this.drawParams={vertexCount:0,firstVertex:0,instanceCount:0,firstInstance:0}),a=this.getIndex(),o=null!==a;let u=1;if(!0===r.isInstancedBufferGeometry?u=r.instanceCount:void 0!==e.count&&(u=Math.max(0,e.count)),0===u)return null;if(n.instanceCount=u,!0===e.isBatchedMesh)return n;let l=1;!0!==t.wireframe||e.isPoints||e.isLineSegments||e.isLine||e.isLineLoop||(l=2);let d=i.start*l,c=(i.start+i.count)*l;null!==s&&(d=Math.max(d,s.start*l),c=Math.min(c,(s.start+s.count)*l));const h=r.attributes.position;let p=1/0;o?p=a.count:null!=h&&(p=h.count),d=Math.max(d,0),c=Math.min(c,p);const g=c-d;return g<0||g===1/0?null:(n.vertexCount=g,n.firstVertex=d,n)}getGeometryCacheKey(){const{geometry:e}=this;let t="";for(const r of Object.keys(e.attributes).sort()){const s=e.attributes[r];t+=r+",",s.data&&(t+=s.data.stride+","),s.offset&&(t+=s.offset+","),s.itemSize&&(t+=s.itemSize+","),s.normalized&&(t+="n,")}for(const r of Object.keys(e.morphAttributes).sort()){const s=e.morphAttributes[r];t+="morph-"+r+",";for(let e=0,r=s.length;e<r;e++){t+=s[e].id+","}}return e.index&&(t+="index,"),t}getMaterialCacheKey(){const{object:e,material:t,renderer:r}=this;let s=t.customProgramCacheKey();for(const e of function(e){const t=Object.keys(e);let r=Object.getPrototypeOf(e);for(;r;){const e=Object.getOwnPropertyDescriptors(r);for(const r in e)if(void 0!==e[r]){const s=e[r];s&&"function"==typeof s.get&&t.push(r)}r=Object.getPrototypeOf(r)}return t}(t)){if(/^(is[A-Z]|_)|^(visible|version|uuid|name|opacity|userData)$/.test(e))continue;const i=t[e];let n;if(null!==i){const e=typeof i;"number"===e?n=0!==i?"1":"0":"object"===e?(n="{",i.isTexture&&(n+=i.mapping,!0===r.backend.isWebGPUBackend&&(n+=i.magFilter,n+=i.minFilter,n+=i.wrapS,n+=i.wrapT,n+=i.wrapR)),n+="}"):n=String(i)}else n=String(i);s+=n+","}return s+=this.clippingContextCacheKey+",",e.geometry&&(s+=this.getGeometryCacheKey()),e.skeleton&&(s+=e.skeleton.bones.length+","),e.isBatchedMesh&&(s+=e._matricesTexture.uuid+",",null!==e._colorsTexture&&(s+=e._colorsTexture.uuid+",")),(e.isInstancedMesh||e.count>1||Array.isArray(e.morphTargetInfluences))&&(s+=e.uuid+","),s+=this.context.id+",",s+=e.receiveShadow+",",Gs(s)}get needsGeometryUpdate(){if(this.geometry.id!==this.object.geometry.id)return!0;if(null!==this.attributes){const e=this.attributesId;for(const t in e){const r=this.geometry.getAttribute(t);if(void 0===r)return!0;const s=r.isInterleavedBufferAttribute?r.data.uuid:r.id;if(e[t]!==s)return!0}}return!1}get needsUpdate(){return this.initialNodesCacheKey!==this.getDynamicCacheKey()||this.clippingNeedsUpdate}getDynamicCacheKey(){let e=0;return!0!==this.material.isShadowPassMaterial&&(e=this._nodes.getCacheKey(this.scene,this.lightsNode)),this.camera.isArrayCamera&&(e=zs(e,this.camera.cameras.length)),this.object.receiveShadow&&(e=zs(e,1)),e=zs(e,this.renderer.contextNode.id,this.renderer.contextNode.version),e}getCacheKey(){return this.getMaterialCacheKey()+this.getDynamicCacheKey()}dispose(){this.material.removeEventListener("dispose",this.onMaterialDispose),this.geometry.removeEventListener("dispose",this.onGeometryDispose),null!==this._sourceMaterial&&this._sourceMaterial.removeEventListener("dispose",this.onMaterialDispose),this.onDispose()}}const qy=[];class Xy{constructor(e,t,r,s,i,n){this.renderer=e,this.nodes=t,this.geometries=r,this.pipelines=s,this.bindings=i,this.info=n,this.chainMaps={}}get(e,t,r,s,i,n,a,o){const u=this.getChainMap(o);qy[0]=e,qy[1]=t,qy[2]=n,qy[3]=i;let l=u.get(qy);return void 0===l?(l=this.createRenderObject(this.nodes,this.geometries,this.renderer,e,t,r,s,i,n,a,o),u.set(qy,l)):(l.camera=s,l.updateClipping(a),l.needsGeometryUpdate&&l.setGeometry(e.geometry),(l.version!==t.version||l.needsUpdate)&&(l.initialCacheKey!==l.getCacheKey()?(l.dispose(),l=this.get(e,t,r,s,i,n,a,o)):l.version=t.version)),qy[0]=null,qy[1]=null,qy[2]=null,qy[3]=null,l}getChainMap(e="default"){return this.chainMaps[e]||(this.chainMaps[e]=new Wy)}dispose(){this.chainMaps={}}createRenderObject(e,t,r,s,i,n,a,o,u,l,d){const c=this.getChainMap(d),h=new jy(e,t,r,s,i,n,a,o,u,l);return h.onDispose=()=>{this.pipelines.delete(h),this.bindings.deleteForRender(h),this.nodes.delete(h),c.delete(h.getChainArray())},h}}class Yy{constructor(){this.data=new WeakMap}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}delete(e){let t=null;return this.data.has(e)&&(t=this.data.get(e),this.data.delete(e)),t}has(e){return this.data.has(e)}dispose(){this.data=new WeakMap}}const Qy=1,Ky=2,Zy=3,Jy=4,eb=16;class tb extends Yy{constructor(e,t){super(),this.backend=e,this.info=t}delete(e){const t=super.delete(e);return null!==t&&(this.backend.destroyAttribute(e),this.info.destroyAttribute(e)),t}update(e,t){const r=this.get(e);if(void 0===r.version)t===Qy?(this.backend.createAttribute(e),this.info.createAttribute(e)):t===Ky?(this.backend.createIndexAttribute(e),this.info.createIndexAttribute(e)):t===Zy?(this.backend.createStorageAttribute(e),this.info.createStorageAttribute(e)):t===Jy&&(this.backend.createIndirectStorageAttribute(e),this.info.createIndirectStorageAttribute(e)),r.version=this._getBufferAttribute(e).version;else{const t=this._getBufferAttribute(e);(r.version<t.version||t.usage===x)&&(this.backend.updateAttribute(e),r.version=t.version)}}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}function rb(e){return null!==e.index?e.index.version:e.attributes.position.version}function sb(e){return null!==e.index?e.index.id:e.attributes.position.id}function ib(e){const t=[],r=e.index,s=e.attributes.position;if(null!==r){const e=r.array;for(let r=0,s=e.length;r<s;r+=3){const s=e[r+0],i=e[r+1],n=e[r+2];t.push(s,i,i,n,n,s)}}else{for(let e=0,r=s.array.length/3-1;e<r;e+=3){const r=e+0,s=e+1,i=e+2;t.push(r,s,s,i,i,r)}}const i=new(s.count>=65535?De:Ie)(t,1);return i.version=rb(e),i.__id=sb(e),i}class nb extends Yy{constructor(e,t){super(),this.attributes=e,this.info=t,this.wireframes=new WeakMap,this.attributeCall=new WeakMap,this._geometryDisposeListeners=new Map}has(e){const t=e.geometry;return super.has(t)&&!0===this.get(t).initialized}updateForRender(e){!1===this.has(e)&&this.initGeometry(e),this.updateAttributes(e)}initGeometry(e){const t=e.geometry;this.get(t).initialized=!0,this.info.memory.geometries++;const r=()=>{this.info.memory.geometries--;const s=t.index,i=e.getAttributes();null!==s&&this.attributes.delete(s);for(const e of i)this.attributes.delete(e);const n=this.wireframes.get(t);void 0!==n&&this.attributes.delete(n),t.removeEventListener("dispose",r),this._geometryDisposeListeners.delete(t)};t.addEventListener("dispose",r),this._geometryDisposeListeners.set(t,r)}updateAttributes(e){const t=e.getAttributes();for(const e of t)e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute?this.updateAttribute(e,Zy):this.updateAttribute(e,Qy);const r=this.getIndex(e);null!==r&&this.updateAttribute(r,Ky);const s=e.geometry.indirect;null!==s&&this.updateAttribute(s,Jy)}updateAttribute(e,t){const r=this.info.render.calls;e.isInterleavedBufferAttribute?void 0===this.attributeCall.get(e)?(this.attributes.update(e,t),this.attributeCall.set(e,r)):this.attributeCall.get(e.data)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e.data,r),this.attributeCall.set(e,r)):this.attributeCall.get(e)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e,r))}getIndirect(e){return e.geometry.indirect}getIndirectOffset(e){return e.geometry.indirectOffset}getIndex(e){const{geometry:t,material:r}=e;let s=t.index;if(!0===r.wireframe){const e=this.wireframes;let r=e.get(t);void 0===r?(r=ib(t),e.set(t,r)):r.version===rb(t)&&r.__id===sb(t)||(this.attributes.delete(r),r=ib(t),e.set(t,r)),s=r}return s}dispose(){for(const[e,t]of this._geometryDisposeListeners.entries())e.removeEventListener("dispose",t);this._geometryDisposeListeners.clear()}}class ab{constructor(){this.autoReset=!0,this.frame=0,this.calls=0,this.render={calls:0,frameCalls:0,drawCalls:0,triangles:0,points:0,lines:0,timestamp:0},this.compute={calls:0,frameCalls:0,timestamp:0},this.memory={attributes:0,attributesSize:0,geometries:0,indexAttributes:0,indexAttributesSize:0,indirectStorageAttributes:0,indirectStorageAttributesSize:0,programs:0,programsSize:0,readbackBuffers:0,readbackBuffersSize:0,renderTargets:0,storageAttributes:0,storageAttributesSize:0,textures:0,texturesSize:0,uniformBuffers:0,uniformBuffersSize:0,total:0},this.memoryMap=new Map}update(e,t,r){this.render.drawCalls++,e.isMesh||e.isSprite?this.render.triangles+=r*(t/3):e.isPoints?this.render.points+=r*t:e.isLineSegments?this.render.lines+=r*(t/2):e.isLine?this.render.lines+=r*(t-1):o("WebGPUInfo: Unknown object type.")}reset(){this.render.drawCalls=0,this.render.frameCalls=0,this.compute.frameCalls=0,this.render.triangles=0,this.render.points=0,this.render.lines=0}dispose(){this.reset(),this.calls=0,this.render.calls=0,this.compute.calls=0,this.render.timestamp=0,this.compute.timestamp=0;for(const e in this.memory)this.memory[e]=0;this.memoryMap.clear()}createTexture(e){const t=this._getTextureMemorySize(e);this.memoryMap.set(e,t),this.memory.textures++,this.memory.total+=t,this.memory.texturesSize+=t}destroyTexture(e){const t=this.memoryMap.get(e)||0;this.memoryMap.delete(e),this.memory.textures--,this.memory.total-=t,this.memory.texturesSize-=t}_createAttribute(e,t){const r=this._getAttributeMemorySize(e);this.memoryMap.set(e,{size:r,type:t}),this.memory[t]++,this.memory.total+=r,this.memory[t+"Size"]+=r}createAttribute(e){this._createAttribute(e,"attributes")}createIndexAttribute(e){this._createAttribute(e,"indexAttributes")}createStorageAttribute(e){this._createAttribute(e,"storageAttributes")}createIndirectStorageAttribute(e){this._createAttribute(e,"indirectStorageAttributes")}destroyAttribute(e){const t=this.memoryMap.get(e);t&&(this.memoryMap.delete(e),this.memory[t.type]--,this.memory.total-=t.size,this.memory[t.type+"Size"]-=t.size)}createReadbackBuffer(e){const t=e.maxByteLength;this.memoryMap.set(e,{size:t,type:"readbackBuffers"}),this.memory.readbackBuffers++,this.memory.total+=t,this.memory.readbackBuffersSize+=t}destroyReadbackBuffer(e){const{size:t}=this.memoryMap.get(e);this.memoryMap.delete(e),this.memory.readbackBuffers--,this.memory.total-=t,this.memory.readbackBuffersSize-=t}createUniformBuffer(e){const t=e.byteLength;this.memoryMap.set(e,{size:t,type:"uniformBuffers"}),this.memory.uniformBuffers++,this.memory.total+=t,this.memory.uniformBuffersSize+=t}destroyUniformBuffer(e){const t=this.memoryMap.get(e);t&&(this.memoryMap.delete(e),this.memory.uniformBuffers--,this.memory.total-=t.size,this.memory.uniformBuffersSize-=t.size)}createProgram(e){const t=e.code.length;this.memoryMap.set(e,t),this.memory.programs++,this.memory.total+=t,this.memory.programsSize+=t}destroyProgram(e){const t=this.memoryMap.get(e)||0;this.memoryMap.delete(e),this.memory.programs--,this.memory.total-=t,this.memory.programsSize-=t}_getTextureMemorySize(e){if(e.isCompressedTexture)return 1;let t=1;e.type===Oe||e.type===Ve?t=1:e.type===ke||e.type===Ge||e.type===Te?t=2:e.type!==R&&e.type!==S&&e.type!==Y||(t=4);let r=4;e.format===$e||e.format===ze||e.format===We||e.format===He||e.format===je?r=1:e.format===z||e.format===qe?r=2:e.format!==Xe&&e.format!==Ye||(r=3);let s=t*r;e.type===Qe||e.type===Ke?s=2:e.type!==Ze&&e.type!==Je&&e.type!==et||(s=4);const i=e.width||1,n=e.height||1,a=e.isCubeTexture?6:e.depth||1;let o=i*n*a*s;const u=e.mipmaps;if(u&&u.length>0){let e=0;for(let t=0;t<u.length;t++){const r=u[t];if(r.data)e+=r.data.byteLength;else{e+=(r.width||Math.max(1,i>>t))*(r.height||Math.max(1,n>>t))*a*s}}o+=e}else e.generateMipmaps&&(o*=1.333);return Math.round(o)}_getAttributeMemorySize(e){return e.isInterleavedBufferAttribute&&(e=e.data),e.array?e.array.byteLength:e.count&&e.itemSize?e.count*e.itemSize*4:0}}class ob{constructor(e){this.cacheKey=e,this.usedTimes=0}}class ub extends ob{constructor(e,t,r){super(e),this.vertexProgram=t,this.fragmentProgram=r}}class lb extends ob{constructor(e,t){super(e),this.computeProgram=t,this.isComputePipeline=!0}}let db=0;class cb{constructor(e,t,r,s=null,i=null){this.id=db++,this.code=e,this.stage=t,this.name=r,this.transforms=s,this.attributes=i,this.usedTimes=0}}class hb extends Yy{constructor(e,t,r){super(),this.backend=e,this.nodes=t,this.info=r,this.bindings=null,this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}getForCompute(e,t){const{backend:r}=this,s=this.get(e);if(this._needsComputeUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.computeProgram.usedTimes--);const n=this.nodes.getForCompute(e);let a=this.programs.compute.get(n.computeShader);void 0===a&&(i&&0===i.computeProgram.usedTimes&&this._releaseProgram(i.computeProgram),a=new cb(n.computeShader,"compute",e.name,n.transforms,n.nodeAttributes),this.programs.compute.set(n.computeShader,a),r.createProgram(a),this.info.createProgram(a));const o=this._getComputeCacheKey(e,a);let u=this.caches.get(o);void 0===u&&(i&&0===i.usedTimes&&this._releasePipeline(i),u=this._getComputePipeline(e,a,o,t)),u.usedTimes++,a.usedTimes++,s.version=e.version,s.pipeline=u}return s.pipeline}getForRender(e,t=null){const{backend:r}=this,s=this.get(e);if(this._needsRenderUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.vertexProgram.usedTimes--,i.fragmentProgram.usedTimes--);const n=e.getNodeBuilderState(),a=e.material?e.material.name:"";let o=this.programs.vertex.get(n.vertexShader);void 0===o&&(i&&0===i.vertexProgram.usedTimes&&this._releaseProgram(i.vertexProgram),o=new cb(n.vertexShader,"vertex",a),this.programs.vertex.set(n.vertexShader,o),r.createProgram(o),this.info.createProgram(o));let u=this.programs.fragment.get(n.fragmentShader);void 0===u&&(i&&0===i.fragmentProgram.usedTimes&&this._releaseProgram(i.fragmentProgram),u=new cb(n.fragmentShader,"fragment",a),this.programs.fragment.set(n.fragmentShader,u),r.createProgram(u),this.info.createProgram(u));const l=this._getRenderCacheKey(e,o,u);let d=this.caches.get(l);void 0===d?(i&&0===i.usedTimes&&this._releasePipeline(i),d=this._getRenderPipeline(e,o,u,l,t)):e.pipeline=d,d.usedTimes++,o.usedTimes++,u.usedTimes++,s.pipeline=d}return s.pipeline}isReady(e){const t=this.get(e).pipeline;if(void 0===t)return!1;const r=this.backend.get(t);return void 0!==r.pipeline&&null!==r.pipeline}delete(e){const t=this.get(e).pipeline;return t&&(t.usedTimes--,0===t.usedTimes&&this._releasePipeline(t),t.isComputePipeline?(t.computeProgram.usedTimes--,0===t.computeProgram.usedTimes&&this._releaseProgram(t.computeProgram)):(t.fragmentProgram.usedTimes--,t.vertexProgram.usedTimes--,0===t.vertexProgram.usedTimes&&this._releaseProgram(t.vertexProgram),0===t.fragmentProgram.usedTimes&&this._releaseProgram(t.fragmentProgram))),super.delete(e)}dispose(){super.dispose(),this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}updateForRender(e){this.getForRender(e)}_getComputePipeline(e,t,r,s){r=r||this._getComputeCacheKey(e,t);let i=this.caches.get(r);return void 0===i&&(i=new lb(r,t),this.caches.set(r,i),this.backend.createComputePipeline(i,s)),i}_getRenderPipeline(e,t,r,s,i){s=s||this._getRenderCacheKey(e,t,r);let n=this.caches.get(s);return void 0===n&&(n=new ub(s,t,r),this.caches.set(s,n),e.pipeline=n,this.backend.createRenderPipeline(e,i)),n}_getComputeCacheKey(e,t){return e.id+","+t.id}_getRenderCacheKey(e,t,r){return t.id+","+r.id+","+this.backend.getRenderCacheKey(e)}_releasePipeline(e){this.caches.delete(e.cacheKey)}_releaseProgram(e){const t=e.code,r=e.stage;this.programs[r].delete(t),this.info.destroyProgram(e)}_needsComputeUpdate(e){const t=this.get(e);return void 0===t.pipeline||t.version!==e.version}_needsRenderUpdate(e){return void 0===this.get(e).pipeline||this.backend.needsRenderUpdate(e)}}class pb extends Yy{constructor(e,t,r,s,i,n){super(),this.backend=e,this.textures=r,this.pipelines=i,this.attributes=s,this.nodes=t,this.info=n,this.pipelines.bindings=this}getForRender(e){const t=e.getBindings(),r=this.get(e);return!0!==r.initialized&&(this._createBindings(t),r.initialized=!0),t}getForCompute(e){const t=this.nodes.getForCompute(e).bindings,r=this.get(e);return!0===r.initialized&&r.bindings===t||(void 0!==r.bindings&&this._destroyBindings(r.bindings),this._createBindings(t),r.initialized=!0,r.bindings=t),t}updateForCompute(e){this._updateBindings(this.getForCompute(e))}updateForRender(e){this._updateBindings(this.getForRender(e))}deleteForCompute(e){const t=this.get(e).bindings||this.nodes.getForCompute(e).bindings;this._destroyBindings(t),this.delete(e)}deleteForRender(e){const t=e.getBindings();this._destroyBindings(t),this.delete(e)}_createBindings(e){for(const t of e){const r=this.get(t);if(void 0===r.bindGroup){for(const e of t.bindings)if(e.isUniformBuffer)this.backend.createUniformBuffer(e),this.info.createUniformBuffer(e);else if(e.isSampledTexture)this.textures.updateTexture(e.texture);else if(e.isSampler)this.textures.updateSampler(e.texture,e.textureNode);else if(e.isStorageBuffer){const t=e.attribute,r=t.isIndirectStorageBufferAttribute?Jy:Zy;this.attributes.update(t,r)}this.backend.createBindings(t,e,0),r.bindGroup=t,r.usedTimes=1}else r.usedTimes++}}_destroyBindings(e){for(const t of e){const e=this.get(t);if(e.usedTimes--,0===e.usedTimes){for(const e of t.bindings)e.isUniformBuffer?(this.backend.destroyUniformBuffer(e),this.info.destroyUniformBuffer(e),e.release()):e.isSampler&&e.release();this.backend.deleteBindGroupData(t),this.delete(t)}}}_updateBindings(e){for(const t of e)this._update(t,e)}_update(e,t){const{backend:r}=this;let s=!1,i=!0,n=0,a=0;for(const t of e.bindings){if(!1!==this.nodes.updateGroup(t)){if(t.isStorageBuffer){const e=t.attribute,i=e.isIndirectStorageBufferAttribute?Jy:Zy,n=r.get(t);this.attributes.update(e,i),n.attribute!==e&&(n.attribute=e,s=!0)}if(t.isUniformBuffer){t.update()&&r.updateBinding(t)}else if(t.isSampledTexture){const o=t.update(),u=t.texture,l=this.textures.get(u);o&&(this.textures.updateTexture(u),t.generation!==l.generation&&(t.generation=l.generation,s=!0),l.bindGroups.add(e));if(void 0!==r.get(u).externalTexture||l.isDefaultTexture?i=!1:(n=10*n+u.id,a+=u.version),!0===u.isStorageTexture&&!0===u.mipmapsAutoUpdate){const e=this.get(u);!0===t.store?e.needsMipmap=!0:this.textures.needsMipmaps(u)&&!0===e.needsMipmap&&(this.backend.generateMipmaps(u),e.needsMipmap=!1)}}else if(t.isSampler){if(t.update()){const e=this.textures.updateSampler(t.texture,t.textureNode);t.samplerKey!==e&&(t.samplerKey=e,s=!0)}}t.isBuffer&&t.updateRanges.length>0&&t.clearUpdateRanges()}}!0===s&&this.backend.updateBindings(e,t,i?n:0,a)}}const gb=Object.freeze([]);function mb(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?e.z-t.z:e.id-t.id}function fb(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?t.z-e.z:e.id-t.id}function yb(e){return(e.transmission>0||e.transmissionNode&&e.transmissionNode.isNode)&&e.side===P&&!1===e.forceSinglePass}class bb{constructor(e,t,r){this.renderItems=[],this.renderItemsIndex=0,this.opaque=[],this.transparentDoublePass=[],this.transparent=[],this.bundles=[],this.lighting=e,this.lightsNode=e.getNode(t),this.lightsArray=[],this.scene=t,this.camera=r,this.occlusionQueryCount=0}begin(){return this.renderItemsIndex=0,this.opaque.length=0,this.transparentDoublePass.length=0,this.transparent.length=0,this.bundles.length=0,this.lightsArray.length=0,this.occlusionQueryCount=0,this}getNextRenderItem(e,t,r,s,i,n,a){let o=this.renderItems[this.renderItemsIndex];return void 0===o?(o={id:e.id,object:e,geometry:t,material:r,groupOrder:s,renderOrder:e.renderOrder,z:i,group:n,clippingContext:a},this.renderItems[this.renderItemsIndex]=o):(o.id=e.id,o.object=e,o.geometry=t,o.material=r,o.groupOrder=s,o.renderOrder=e.renderOrder,o.z=i,o.group=n,o.clippingContext=a),this.renderItemsIndex++,o}push(e,t,r,s,i,n,a){const o=this.getNextRenderItem(e,t,r,s,i,n,a);!0===e.occlusionTest&&this.occlusionQueryCount++,!0===r.transparent||r.transmission>0||r.transmissionNode&&r.transmissionNode.isNode||r.backdropNode&&r.backdropNode.isNode?(yb(r)&&this.transparentDoublePass.push(o),this.transparent.push(o)):this.opaque.push(o)}unshift(e,t,r,s,i,n,a){const o=this.getNextRenderItem(e,t,r,s,i,n,a);!0===r.transparent||r.transmission>0||r.transmissionNode&&r.transmissionNode.isNode||r.backdropNode&&r.backdropNode.isNode?(yb(r)&&this.transparentDoublePass.unshift(o),this.transparent.unshift(o)):this.opaque.unshift(o)}pushBundle(e){this.bundles.push(e)}pushLight(e){this.lightsArray.push(e)}sort(e,t,r){this.opaque.length>1&&this.opaque.sort(e||mb),this.transparentDoublePass.length>1&&this.transparentDoublePass.sort(t||fb),this.transparent.length>1&&this.transparent.sort(t||fb),r&&(this.opaque.reverse(),this.transparentDoublePass.reverse(),this.transparent.reverse())}finish(){this.lightsNode.setLights(this.lighting.enabled?this.lightsArray:gb);for(let e=this.renderItemsIndex,t=this.renderItems.length;e<t;e++){const t=this.renderItems[e];if(null===t.id)break;t.id=null,t.object=null,t.geometry=null,t.material=null,t.groupOrder=null,t.renderOrder=null,t.z=null,t.group=null,t.clippingContext=null}}}const xb=[];class Tb{constructor(e){this.lighting=e,this.lists=new Wy}get(e,t){const r=this.lists;xb[0]=e,xb[1]=t;let s=r.get(xb);return void 0===s&&(s=new bb(this.lighting,e,t),r.set(xb,s)),xb[0]=null,xb[1]=null,s}dispose(){this.lists=new Wy}}let _b=0;class vb{constructor(){this.id=_b++,this.mrt=null,this.color=!0,this.clearColor=!0,this.clearColorValue={r:0,g:0,b:0,a:1},this.depth=!0,this.clearDepth=!0,this.clearDepthValue=1,this.stencil=!1,this.clearStencil=!0,this.clearStencilValue=1,this.viewport=!1,this.viewportValue=new s,this.scissor=!1,this.scissorValue=new s,this.renderTarget=null,this.textures=null,this.depthTexture=null,this.activeCubeFace=0,this.activeMipmapLevel=0,this.sampleCount=1,this.width=0,this.height=0,this.occlusionQueryCount=0,this.clippingContext=null,this.camera=null,this.isRenderContext=!0}getCacheKey(){return Nb(this)}}function Nb(e){const{textures:t,activeCubeFace:r,activeMipmapLevel:s}=e,i=[r,s];for(const e of t)i.push(e.id);return $s(i)}class Sb{constructor(e){this.renderer=e,this._renderContexts={}}get(e=null,t=null,r=0){let s;if(null===e)s="default";else{const t=e.texture.format,r=e.texture.type;s=`${e.textures.length}:${t}:${r}:${e.samples}:${e.depthBuffer}:${e.stencilBuffer}`}const i=s+"-"+(null!==t?t.id:"default")+"-"+r;let n=this._renderContexts[i];return void 0===n&&(n=new vb,n.mrt=t,this._renderContexts[i]=n),null!==e&&(n.sampleCount=0===e.samples?1:e.samples),n.clearDepthValue=this.renderer.getClearDepth(),n.clearStencilValue=this.renderer.getClearStencil(),n}dispose(){this._renderContexts={}}}const Rb=new r;class Eb extends Yy{constructor(e,t,r){super(),this.renderer=e,this.backend=t,this.info=r,this._htmlTextures=new Set}updateRenderTarget(e,t=0){const r=this.get(e),s=0===e.samples?1:e.samples,i=r.depthTextureMips||(r.depthTextureMips={}),n=e.textures,a=this.getSize(n[0]),o=a.width>>t,u=a.height>>t;let l=e.depthTexture||i[t];const d=!0===e.depthBuffer||!0===e.stencilBuffer;let c=!1;const h=void 0!==l&&void 0!==l.image&&l.image.depth>1,p=a.depth>1&&(e.useArrayDepthTexture||e.multiview||h);void 0===l&&d&&(l=new Z,l.format=e.stencilBuffer?je:He,l.type=e.stencilBuffer?Ze:S,l.image.width=o,l.image.height=u,l.image.depth=a.depth,l.renderTarget=e,i[t]=l),l&&(l.isArrayTexture=p),r.width===a.width&&a.height===r.height||(c=!0,l&&(l.needsUpdate=!0,l.image.width=o,l.image.height=u,l.image.depth=p?a.depth:1)),r.width=a.width,r.height=a.height,r.textures=n,r.depthTexture=l||null,r.depth=e.depthBuffer,r.stencil=e.stencilBuffer,r.renderTarget=e,r.sampleCount!==s&&(c=!0,l&&(l.needsUpdate=!0),r.sampleCount=s);const g={sampleCount:s};if(!0!==e.isXRRenderTarget){for(let e=0;e<n.length;e++){const t=n[e];c&&(t.needsUpdate=!0),this.updateTexture(t,g)}l&&this.updateTexture(l,g)}!0!==r.initialized&&(r.initialized=!0,this.info.memory.renderTargets++,r.onDispose=()=>{this._destroyRenderTarget(e)},e.addEventListener("dispose",r.onDispose))}updateTexture(e,t={}){const r=this.get(e);if(!0===r.initialized&&r.version===e.version)return;const s=e.isRenderTargetTexture||e.isDepthTexture||e.isFramebufferTexture,i=this.backend;if(s&&!0===r.initialized&&i.destroyTexture(e),e.isFramebufferTexture){const t=this.renderer.getRenderTarget();e.type=t?t.texture.type:Ve}if(e.isHTMLTexture&&e.image){const t=this.renderer.domElement;if("requestPaint"in t){if(t.hasAttribute("layoutsubtree")||t.setAttribute("layoutsubtree","true"),e.image.parentNode!==t&&t.appendChild(e.image),0===this._htmlTextures.size){const e=this._htmlTextures;t.onpaint=t=>{const r=t&&t.changedElements;for(const t of e)r&&!r.includes(t.image)||(t.needsUpdate=!0)}}this._htmlTextures.add(e)}}const{width:n,height:a,depth:o}=this.getSize(e);if(t.width=n,t.height=a,t.depth=o,t.needsMipmaps=this.needsMipmaps(e),t.levels=t.needsMipmaps?this.getMipLevels(e,n,a):1,e.isCubeTexture&&e.mipmaps.length>0&&t.levels++,s||!0===e.isStorageTexture||!0===e.isExternalTexture)i.createTexture(e,t),r.generation=e.version;else if(e.version>0){const s=e.image;if(void 0===s)d("Renderer: Texture marked for update but image is undefined.");else if(!1===s.complete)d("Renderer: Texture marked for update but image is incomplete.");else{if(e.images){const r=[];for(const t of e.images)r.push(t);t.images=r}else t.image=s;void 0!==r.isDefaultTexture&&!0!==r.isDefaultTexture||(i.createTexture(e,t),r.isDefaultTexture=!1,r.generation=e.version),!0===e.source.dataReady&&i.updateTexture(e,t);const n=!0===e.isStorageTexture&&!1===e.mipmapsAutoUpdate;t.needsMipmaps&&0===e.mipmaps.length&&!n&&i.generateMipmaps(e),e.onUpdate&&e.onUpdate(e)}}else i.createDefaultTexture(e),r.isDefaultTexture=!0,r.generation=e.version;!0!==r.initialized&&(r.initialized=!0,r.generation=e.version,r.bindGroups=new Set,this.info.createTexture(e),e.isVideoTexture&&!0===p.enabled&&p.getTransfer(e.colorSpace)!==g&&d("WebGPURenderer: Video textures must use a color space with a sRGB transfer function, e.g. SRGBColorSpace."),r.onDispose=()=>{this._destroyTexture(e)},e.addEventListener("dispose",r.onDispose)),r.version=e.version}updateSampler(e,t){return this.backend.updateSampler(e,t)}getSize(e,t=Rb){let r=e.images?e.images[0]:e.image;return r?(void 0!==r.image&&(r=r.image),e.isHTMLTexture?(t.width=r.offsetWidth||1,t.height=r.offsetHeight||1,t.depth=1):"undefined"!=typeof HTMLVideoElement&&r instanceof HTMLVideoElement?(t.width=r.videoWidth||1,t.height=r.videoHeight||1,t.depth=1):"undefined"!=typeof VideoFrame&&r instanceof VideoFrame?(t.width=r.displayWidth||1,t.height=r.displayHeight||1,t.depth=1):(t.width=r.width||1,t.height=r.height||1,t.depth=e.isCubeTexture?6:r.depth||1)):t.width=t.height=t.depth=1,t}getMipLevels(e,t,r){let s;return s=e.mipmaps.length>0?e.mipmaps.length:!0===e.isCompressedTexture?1:Math.floor(Math.log2(Math.max(t,r)))+1,s}needsMipmaps(e){return!0===e.generateMipmaps||e.mipmaps.length>0}_destroyRenderTarget(e){if(!0===this.has(e)){const t=this.get(e),r=t.textures,s=t.depthTexture;e.removeEventListener("dispose",t.onDispose);for(let e=0;e<r.length;e++)this._destroyTexture(r[e]);s&&this._destroyTexture(s),this.delete(e),this.backend.delete(e),this.info.memory.renderTargets--}}_destroyTexture(e){if(!0===this.has(e)){const t=this.get(e);e.removeEventListener("dispose",t.onDispose);const r=t.isDefaultTexture;if(this.backend.destroyTexture(e,r),t.bindGroups)for(const r of t.bindGroups){const t=this.backend.get(r);t.groups=void 0,t.versions=void 0;for(const t of r.bindings)t.isSampler&&t.texture===e&&(t.reset(),t.release())}this._htmlTextures.delete(e),this.delete(e),this.info.destroyTexture(e)}}}class wb extends e{constructor(e,t,r,s=1){super(e,t,r),this.a=s}set(e,t,r,s=1){return this.a=s,super.set(e,t,r)}copy(e){return void 0!==e.a&&(this.a=e.a),super.copy(e)}clone(){return new this.constructor(this.r,this.g,this.b,this.a)}}class Ab extends Gn{static get type(){return"ParameterNode"}constructor(e,t=null){super(e,t),this.isParameterNode=!0}getMemberType(e,t){const r=this.getNodeType(e),s=e.getStructTypeNode(r);let i;return null!==s?i=s.getMemberType(e,t):(o(`TSL: Member "${t}" not found in struct "${r}".`,new Vs),i="float"),i}getHash(){return String(this.id)}generate(){return this.name}}class Cb extends pi{static get type(){return"StackNode"}constructor(e=null){super(),this.nodes=[],this.outputNode=null,this.parent=e,this._currentCond=null,this._expressionNode=null,this._currentNode=null,this._nodeDataLibrary=new Map,this.isStackNode=!0}getElementType(e){return this.outputNode?this.outputNode.getElementType(e):"void"}generateNodeType(e){return this.outputNode?this.outputNode.getNodeType(e):"void"}getMemberType(e,t){return this.outputNode?this.outputNode.getMemberType(e,t):"void"}addToStack(e,t=-1){if(!0!==e.isNode)return o("TSL: Invalid node added to stack.",new Vs),this;if(-1===t)if(this._currentNode){let e=this._nodeDataLibrary.get(this._currentNode);void 0===e&&(e={delta:0},this._nodeDataLibrary.set(this._currentNode,e)),e.delta++,t=this.nodes.indexOf(this._currentNode)+e.delta}else t=this.nodes.length;return this.nodes.splice(t,0,e),this}addToStackBefore(e){const t=this._currentNode?this.nodes.indexOf(this._currentNode):0;return this.addToStack(e,t)}If(e,t){const r=new rn(t);return this._currentCond=Lu(e,r),this.addToStack(this._currentCond)}ElseIf(e,t){const r=new rn(t),s=Lu(e,r);return this._currentCond.elseNode=s,this._currentCond=s,this}Else(e){return this._currentCond.elseNode=new rn(e),this}Switch(e){return this._expressionNode=sn(e),this}Case(...e){const t=[];if(e.length>=2)for(let r=0;r<e.length-1;r++)t.push(this._expressionNode.equal(sn(e[r])));else o("TSL: Invalid parameter length. Case() requires at least two parameters.",new Vs);const r=new rn(e[e.length-1]);let s=t[0];for(let e=1;e<t.length;e++)s=s.or(t[e]);const i=Lu(s,r);return null===this._currentCond?(this._currentCond=i,this.addToStack(this._currentCond)):(this._currentCond.elseNode=i,this._currentCond=i,this)}Default(e){return this.Else(e),this}setup(e){const t=e.getNodeProperties(this);let r=0;for(const s of this.getChildren())s.isVarNode&&s.isIntent(e)&&!0!==s.isAssign(e)||(t["node"+r++]=s);return t.outputNode||null}build(e,...t){const r=fn(),s=e.buildStage;mn(this),e.setActiveStack(this);for(let t=0;t<this.nodes.length;t++){const r=this.nodes[t],i=this._currentNode;if(this._currentNode=r,!r.isVarNode||!r.isIntent(e)||!0===r.isAssign(e)){if("setup"===s)r.build(e);else if("analyze"===s)r.build(e,this);else if("generate"===s){const t=e.getDataFromNode(r,"any").stages,s=t&&t[e.shaderStage];if(r.isVarNode&&s&&1===s.length&&s[0]&&s[0].isStackNode)continue;r.build(e,"void")}this._currentNode=i}}let i;if(this.outputNode){const r=this.outputNode.build(e,...t);"generate"===e.buildStage&&"void"===this.outputNode.getNodeType(e)||(i=r)}else i=super.build(e,...t);return mn(r),e.removeActiveStack(this),i}}const Mb=un(Cb).setParameterLength(0,1);class Bb extends pi{static get type(){return"StructTypeNode"}constructor(e,t=null){var r;super("struct"),this.membersLayout=(r=e,Object.entries(r).map(([e,t])=>"string"==typeof t?{name:e,type:t,atomic:!1}:{name:e,type:t.type,atomic:t.atomic||!1})),this.name=t,this.isStructTypeNode=!0}getLength(){let e=1,t=0;for(const r of this.membersLayout){const s=r.type,i=Ys(s),n=Qs(s);e=Math.max(e,n);const a=t%e%n;0!==a&&(t+=n-a),t+=i}return Math.ceil(t/e)*e}getMemberType(e,t){const r=this.membersLayout.find(e=>e.name===t);return r?r.type:"void"}generateNodeType(e){return e.getStructTypeFromNode(this,this.membersLayout,this.name).name}setup(e){e.getStructTypeFromNode(this,this.membersLayout,this.name),e.addInclude(this)}generate(e){return this.getNodeType(e)}}class Lb extends pi{static get type(){return"StructNode"}constructor(e,t){super("vec3"),this.structTypeNode=e,this.values=t,this.isStructNode=!0}generateNodeType(e){return this.structTypeNode.getNodeType(e)}getMemberType(e,t){return this.structTypeNode.getMemberType(e,t)}_getChildren(){const e=super._getChildren(),t=e.find(e=>e.childNode===this.structTypeNode);return e.splice(e.indexOf(t),1),e.push(t),e}generate(e){const t=e.getVarFromNode(this),r=t.type,s=e.getPropertyName(t);return e.addLineFlowCode(`${s} = ${e.generateStruct(r,this.structTypeNode.membersLayout,this.values)}`,this),t.name}}class Fb extends pi{static get type(){return"OutputStructNode"}constructor(...e){super(),this.members=e,this.isOutputStructNode=!0}generateNodeType(){return"OutputType"}generate(e){const t=e.getDataFromNode(this);if(void 0===t.membersLayout){const r=this.members,s=[];for(let t=0;t<r.length;t++){const i="m"+t,n=r[t].getNodeType(e);s.push({name:i,type:n,index:t})}t.membersLayout=s,t.structType=e.getOutputStructTypeFromNode(this,t.membersLayout)}const r=e.getOutputStructName(),s=this.members,i=""!==r?r+".":"";for(let r=0;r<s.length;r++){const n=s[r].build(e,t.membersLayout[r].type);e.addLineFlowCode(`${i}m${r} = ${n}`,this)}return r}}const Pb=un(Fb);class Ub{constructor(e=tt){this.blending=e,this.blendSrc=rt,this.blendDst=st,this.blendEquation=it,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.premultiplyAlpha=!1}copy(e){return this.blending=e.blending,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.premultiplyAlpha=e.premultiplyAlpha,this}clone(){return(new this.constructor).copy(this)}}const Db=new Ub(re),Ib=new Ub(nt);function Ob(e,t){for(let r=0;r<e.length;r++)if(e[r].name===t)return r;return-1}class Vb extends Fb{static get type(){return"MRTNode"}constructor(e){super(),this.outputNodes=e,this.blendModes={output:Ib},this.isMRTNode=!0}setBlendMode(e,t){return this.blendModes[e]=t,this}getBlendMode(e){return this.blendModes[e]||Db}has(e){return void 0!==this.outputNodes[e]}get(e){return this.outputNodes[e]}merge(e){const t={...this.outputNodes,...e.outputNodes},r={...this.blendModes,...e.blendModes},s=kb(t);return s.blendings=r,s}setup(e){const t=this.outputNodes,r=[],s=e.renderer.getRenderTarget().textures;for(const i in t){const n=Ob(s,i),a=e.getOutputType(n);r[n]=t[i].convert(a)}return this.members=r,super.setup(e)}}const kb=un(Vb);class Gb extends fi{static get type(){return"BitcastNode"}constructor(e,t,r=null){super(),this.valueNode=e,this.conversionType=t,this.inputType=r,this.isBitcastNode=!0}generateNodeType(e){if(null!==this.inputType){const t=this.valueNode.getNodeType(e),r=e.getTypeLength(t);return e.getTypeFromLength(r,this.conversionType)}return this.conversionType}generate(e){const t=this.getNodeType(e);let r="";if(null!==this.inputType){const t=this.valueNode.getNodeType(e);r=1===e.getTypeLength(t)?this.inputType:e.changeComponentType(t,this.inputType)}else r=this.valueNode.getNodeType(e);return`${e.getBitcastMethod(t,r)}( ${this.valueNode.build(e,r)} )`}}const $b=dn(Gb).setParameterLength(2),zb=e=>new Gb(e,"uint","float"),Wb={};class Hb extends uo{static get type(){return"BitcountNode"}constructor(e,t){super(e,t),this.isBitcountNode=!0}_resolveElementType(e,t,r){"int"===r?t.assign($b(e,"uint")):t.assign(e)}_returnDataNode(e){switch(e){case"uint":return vn;case"int":return _n;case"uvec2":return En;case"uvec3":return Mn;case"uvec4":return Pn;case"ivec2":return Rn;case"ivec3":return Cn;case"ivec4":return Fn}}_createTrailingZerosBaseLayout(e,t){const r=this._returnDataNode(t);return gn(([e])=>{const s=vn(0);this._resolveElementType(e,s,t);const i=Tn(s.bitAnd(Ho(s))),n=zb(i).shiftRight(23).sub(127);return r(n)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createLeadingZerosBaseLayout(e,t){const r=this._returnDataNode(t);return gn(([e])=>{yn(e.equal(vn(0)),()=>vn(32));const s=vn(0),i=vn(0);return this._resolveElementType(e,s,t),yn(s.shiftRight(16).equal(0),()=>{i.addAssign(16),s.shiftLeftAssign(16)}),yn(s.shiftRight(24).equal(0),()=>{i.addAssign(8),s.shiftLeftAssign(8)}),yn(s.shiftRight(28).equal(0),()=>{i.addAssign(4),s.shiftLeftAssign(4)}),yn(s.shiftRight(30).equal(0),()=>{i.addAssign(2),s.shiftLeftAssign(2)}),yn(s.shiftRight(31).equal(0),()=>{i.addAssign(1)}),r(i)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createOneBitsBaseLayout(e,t){const r=this._returnDataNode(t);return gn(([e])=>{const s=vn(0);this._resolveElementType(e,s,t),s.assign(s.sub(s.shiftRight(vn(1)).bitAnd(vn(1431655765)))),s.assign(s.bitAnd(vn(858993459)).add(s.shiftRight(vn(2)).bitAnd(vn(858993459))));const i=s.add(s.shiftRight(vn(4))).bitAnd(vn(252645135)).mul(vn(16843009)).shiftRight(vn(24));return r(i)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createMainLayout(e,t,r,s){const i=this._returnDataNode(t);return gn(([e])=>{if(1===r)return i(s(e));{const t=i(0),n=["x","y","z","w"];for(let i=0;i<r;i++){const r=n[i];t[r].assign(s(e[r]))}return t}}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}setup(e){const{method:t,aNode:r}=this,{renderer:s}=e;if(s.backend.isWebGPUBackend)return super.setup(e);const i=this.getInputType(e),n=e.getElementType(i),a=e.getTypeLength(i),o=`${t}_base_${n}`,u=`${t}_${i}`;let l=Wb[o];if(void 0===l){switch(t){case Hb.COUNT_LEADING_ZEROS:l=this._createLeadingZerosBaseLayout(o,n);break;case Hb.COUNT_TRAILING_ZEROS:l=this._createTrailingZerosBaseLayout(o,n);break;case Hb.COUNT_ONE_BITS:l=this._createOneBitsBaseLayout(o,n)}Wb[o]=l}let d=Wb[u];void 0===d&&(d=this._createMainLayout(u,i,a,l),Wb[u]=d);return gn(()=>d(r))()}}Hb.COUNT_TRAILING_ZEROS="countTrailingZeros",Hb.COUNT_LEADING_ZEROS="countLeadingZeros",Hb.COUNT_ONE_BITS="countOneBits";const jb=dn(Hb,Hb.COUNT_TRAILING_ZEROS).setParameterLength(1),qb=dn(Hb,Hb.COUNT_LEADING_ZEROS).setParameterLength(1),Xb=dn(Hb,Hb.COUNT_ONE_BITS).setParameterLength(1),Yb=gn(([e])=>{const t=e.toUint().mul(747796405).add(2891336453),r=t.shiftRight(t.shiftRight(28).add(4)).bitXor(t).mul(277803737);return r.shiftRight(22).bitXor(r).toFloat().mul(1/2**32)}),Qb=(e,t)=>du(Va(4,e.mul(Oa(1,e))),t);class Kb extends fi{static get type(){return"PackFloatNode"}constructor(e,t){super(),this.vectorNode=t,this.encoding=e,this.isPackFloatNode=!0}generateNodeType(){return"uint"}generate(e){const t=this.vectorNode.getNodeType(e);return`${e.getFloatPackingMethod(this.encoding)}(${this.vectorNode.build(e,t)})`}}const Zb=dn(Kb,"snorm").setParameterLength(1),Jb=dn(Kb,"unorm").setParameterLength(1),ex=dn(Kb,"float16").setParameterLength(1);class tx extends fi{static get type(){return"UnpackFloatNode"}constructor(e,t){super(),this.uintNode=t,this.encoding=e,this.isUnpackFloatNode=!0}generateNodeType(){return"vec2"}generate(e){const t=this.uintNode.getNodeType(e);return`${e.getFloatUnpackingMethod(this.encoding)}(${this.uintNode.build(e,t)})`}}const rx=dn(tx,"snorm").setParameterLength(1),sx=dn(tx,"unorm").setParameterLength(1),ix=dn(tx,"float16").setParameterLength(1),nx=gn(([e])=>e.fract().sub(.5).abs()).setLayout({name:"tri",type:"float",inputs:[{name:"x",type:"float"}]}),ax=gn(([e])=>An(nx(e.z.add(nx(e.y.mul(1)))),nx(e.z.add(nx(e.x.mul(1)))),nx(e.y.add(nx(e.x.mul(1)))))).setLayout({name:"tri3",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),ox=gn(([e,t,r])=>{const s=An(e).toVar(),i=Tn(1.4).toVar(),n=Tn(0).toVar(),a=An(s).toVar();return Zp({start:Tn(0),end:Tn(3),type:"float",condition:"<="},()=>{const e=An(ax(a.mul(2))).toVar();s.addAssign(e.add(r.mul(Tn(.1).mul(t)))),a.mulAssign(1.8),i.mulAssign(1.5),s.mulAssign(1.2);const o=Tn(nx(s.z.add(nx(s.x.add(nx(s.y)))))).toVar();n.addAssign(o.div(i)),a.addAssign(.14)}),n}).setLayout({name:"triNoise3D",type:"float",inputs:[{name:"position",type:"vec3"},{name:"speed",type:"float"},{name:"time",type:"float"}]});class ux extends pi{static get type(){return"FunctionOverloadingNode"}constructor(e=[],...t){super(),this.functionNodes=e,this.parametersNodes=t,this._candidateFn=null,this.global=!0}generateNodeType(e){return this.getCandidateFn(e).shaderNode.layout.type}getCandidateFn(e){const t=this.parametersNodes;let r=this._candidateFn;if(null===r){let s=null,i=-1;for(const r of this.functionNodes){const n=r.shaderNode.layout;if(null===n)throw new Error("THREE.FunctionOverloadingNode: FunctionNode must be a layout.");const a=n.inputs;if(t.length===a.length){let n=0;for(let r=0;r<t.length;r++){const s=t[r],i=a[r];s.getNodeType(e)===i.type&&n++}n>i&&(s=r,i=n)}}this._candidateFn=r=s}return r}setup(e){return this.getCandidateFn(e)(...this.parametersNodes)}}const lx=un(ux),dx=e=>(...t)=>lx(e,...t),cx=Aa(0).setGroup(Ra).onRenderUpdate(e=>e.time),hx=Aa(0).setGroup(Ra).onRenderUpdate(e=>e.deltaTime),px=Aa(0,"uint").setGroup(Ra).onRenderUpdate(e=>e.frameId);const gx=gn(([e,t,r=Sn(.5)])=>Ay(e.sub(r),t).add(r)),mx=gn(([e,t,r=Sn(.5)])=>{const s=e.sub(r),i=s.dot(s),n=i.mul(i).mul(t);return e.add(s.mul(n))}),fx=gn(({position:e=null,horizontal:t=!0,vertical:r=!1})=>{let s;null!==e?(s=sc.toVar(),s[3][0]=e.x,s[3][1]=e.y,s[3][2]=e.z):s=sc;const i=$d.mul(s);return en(t)&&(i[0][0]=sc[0].length(),i[0][1]=0,i[0][2]=0),en(r)&&(i[1][0]=0,i[1][1]=sc[1].length(),i[1][2]=0),i[2][0]=0,i[2][1]=0,i[2][2]=1,kd.mul(i).mul(fc)}),yx=gn(([e=null])=>{const t=Cg();return Cg(xg(e)).sub(t).lessThan(0).select(md,e)}),bx=gn(([e,t=ql(),r=Tn(0)])=>{const s=e.x,i=e.y,n=r.mod(s.mul(i)).floor(),a=n.mod(s),o=i.sub(n.add(1).div(s).ceil()),u=e.reciprocal(),l=Sn(a,o);return t.add(l).mul(u)}),xx=gn(([e,t=null,r=null,s=Tn(1),i=fc,n=wc])=>{let a=n.abs().normalize();a=a.div(a.dot(An(1)));const o=i.yz.mul(s),u=i.zx.mul(s),l=i.xy.mul(s),d=e.value,c=null!==t?t.value:d,h=null!==r?r.value:d,p=rd(d,o).mul(a.x),g=rd(c,u).mul(a.y),m=rd(h,l).mul(a.z);return Ia(p,g,m)}),Tx=new ut,_x=new r,vx=new r,Nx=new r,Sx=new a,Rx=new r(0,0,-1),Ex=new s,wx=new r,Ax=new r,Cx=new s,Mx=new t,Bx=new ne,Lx=md.flipX();Bx.depthTexture=new Z(1,1);let Fx=!1;class Px extends ed{static get type(){return"ReflectorNode"}constructor(e={}){super(e.defaultTexture||Bx.texture,Lx),this._reflectorBaseNode=e.reflector||new Ux(this,e),this._depthNode=null,this.setUpdateMatrix(!1)}get reflector(){return this._reflectorBaseNode}get target(){return this._reflectorBaseNode.target}getDepthNode(){if(null===this._depthNode){if(!0!==this._reflectorBaseNode.depth)throw new Error("THREE.ReflectorNode: Depth node can only be requested when the reflector is created with { depth: true }. ");this._depthNode=new Px({defaultTexture:Bx.depthTexture,reflector:this._reflectorBaseNode})}return this._depthNode}setup(e){return e.object.isQuadMesh||this._reflectorBaseNode.build(e),super.setup(e)}clone(){const e=new this.constructor(this.reflectorNode);return e.uvNode=this.uvNode,e.levelNode=this.levelNode,e.biasNode=this.biasNode,e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.gatherNode=this.gatherNode,e.offsetNode=this.offsetNode,e._reflectorBaseNode=this._reflectorBaseNode,e}dispose(){super.dispose(),this._reflectorBaseNode.dispose()}}class Ux extends pi{static get type(){return"ReflectorBaseNode"}constructor(e,t={}){super();const{target:r=new at,resolutionScale:s=1,generateMipmaps:i=!1,bounces:n=!0,depth:a=!1,samples:o=0}=t;this.textureNode=e,this.target=r,this.resolutionScale=s,void 0!==t.resolution&&(v('ReflectorNode: The "resolution" parameter has been renamed to "resolutionScale".'),this.resolutionScale=t.resolution),this.generateMipmaps=i,this.bounces=n,this.depth=a,this.samples=o,this.updateBeforeType=n?ii.RENDER:ii.FRAME,this.virtualCameras=new WeakMap,this.renderTargets=new Map,this.forceUpdate=!1,this.hasOutput=!1}_updateResolution(e,t){const r=this.resolutionScale;t.getDrawingBufferSize(Mx),e.setSize(Math.round(Mx.width*r),Math.round(Mx.height*r))}setup(e){return this._updateResolution(Bx,e.renderer),super.setup(e)}dispose(){super.dispose();for(const e of this.renderTargets.values())e.dispose()}getVirtualCamera(e){let t=this.virtualCameras.get(e);return void 0===t&&(t=e.clone(),this.virtualCameras.set(e,t)),t}getRenderTarget(e){let t=this.renderTargets.get(e);return void 0===t&&(t=new ne(0,0,{type:Te,samples:this.samples}),!0===this.generateMipmaps&&(t.texture.minFilter=ot,t.texture.generateMipmaps=!0),!0===this.depth&&(t.depthTexture=new Z),this.renderTargets.set(e,t)),t}updateBefore(e){if(!1===this.bounces&&Fx)return!1;Fx=!0;const{scene:t,camera:r,renderer:s,material:i}=e,{target:n}=this,a=this.getVirtualCamera(r),o=this.getRenderTarget(a);s.getDrawingBufferSize(Mx),this._updateResolution(o,s),vx.setFromMatrixPosition(n.matrixWorld),Nx.setFromMatrixPosition(r.matrixWorld),Sx.extractRotation(n.matrixWorld),_x.set(0,0,1),_x.applyMatrix4(Sx),wx.subVectors(vx,Nx);let u=!1;if(!0===wx.dot(_x)>0&&!1===this.forceUpdate){if(!1===this.hasOutput)return void(Fx=!1);u=!0}wx.reflect(_x).negate(),wx.add(vx),Sx.extractRotation(r.matrixWorld),Rx.set(0,0,-1),Rx.applyMatrix4(Sx),Rx.add(Nx),Ax.subVectors(vx,Rx),Ax.reflect(_x).negate(),Ax.add(vx),a.coordinateSystem=r.coordinateSystem,a.position.copy(wx),a.up.set(0,1,0),a.up.applyMatrix4(Sx),a.up.reflect(_x),a.lookAt(Ax),a.near=r.near,a.far=r.far,a.updateMatrixWorld(),a.projectionMatrix.copy(r.projectionMatrix),Tx.setFromNormalAndCoplanarPoint(_x,vx),Tx.applyMatrix4(a.matrixWorldInverse),Ex.set(Tx.normal.x,Tx.normal.y,Tx.normal.z,Tx.constant);const l=a.projectionMatrix;Cx.x=(Math.sign(Ex.x)+l.elements[8])/l.elements[0],Cx.y=(Math.sign(Ex.y)+l.elements[9])/l.elements[5],Cx.z=-1,Cx.w=(1+l.elements[10])/l.elements[14],Ex.multiplyScalar(1/Ex.dot(Cx));l.elements[2]=Ex.x,l.elements[6]=Ex.y,l.elements[10]=s.coordinateSystem===h?Ex.z-0:Ex.z+1-0,l.elements[14]=Ex.w,this.textureNode.value=o.texture,!0===this.depth&&(this.textureNode.getDepthNode().value=o.depthTexture),i.visible=!1;const d=s.getRenderTarget(),c=s.getMRT(),p=s.autoClear;s.setMRT(null),s.setRenderTarget(o),s.autoClear=!0;const g=t.name;t.name=(t.name||"Scene")+" [ Reflector ]",u?(s.clear(),this.hasOutput=!1):(s.render(t,a),this.hasOutput=!0),t.name=g,s.setMRT(c),s.setRenderTarget(d),s.autoClear=p,i.visible=!0,Fx=!1,this.forceUpdate=!1}get resolution(){return v('ReflectorNode: The "resolution" property has been renamed to "resolutionScale".'),this.resolutionScale}set resolution(e){v('ReflectorNode: The "resolution" property has been renamed to "resolutionScale".'),this.resolutionScale=e}}const Dx=new Ne(-1,1,1,-1,0,1);class Ix extends ve{constructor(e=!1){super();const t=!1===e?[0,-1,0,1,2,1]:[0,2,0,0,2,0];this.setAttribute("position",new lt([-1,3,0,-1,-1,0,3,-1,0],3)),this.setAttribute("uv",new lt(t,2))}}const Ox=new Ix;class Vx extends oe{constructor(e=null){super(Ox,e),this.camera=Dx,this.isQuadMesh=!0}async renderAsync(e){v('QuadMesh: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await e.init(),e.render(this,Dx)}render(e){e.render(this,Dx)}}const kx=new t;class Gx extends ed{static get type(){return"RTTNode"}constructor(e,t=null,r=null,s={type:Te}){const i=new ne(t,r,s);super(i.texture,ql()),this.isRTTNode=!0,this.node=e,this.width=t,this.height=r,this.renderTarget=i,this.textureNeedsUpdate=!0,this.autoUpdate=!0,this._resolutionScale=1,this._rttNode=null,this._quadMesh=new Vx(new Ig),this.updateBeforeType=ii.RENDER}get autoResize(){return null===this.width}setup(e){return this._rttNode=this.node.context(e.getSharedContext()),this._quadMesh.material.name="RTT",this._quadMesh.material.needsUpdate=!0,super.setup(e)}setSize(e,t){const r=Math.floor(e*this._resolutionScale),s=Math.floor(t*this._resolutionScale);this.renderTarget.setSize(r,s),this.textureNeedsUpdate=!0}setResolutionScale(e){return this._resolutionScale=e,!1===this.autoResize&&this.setSize(this.width,this.height),this}getResolutionScale(){return this._resolutionScale}updateBefore({renderer:e}){if(!1===this.textureNeedsUpdate&&!1===this.autoUpdate)return;this.textureNeedsUpdate=!1;const t=e.getRenderTarget();if(!0===this.autoResize){const t=e.getDrawingBufferSize(kx),r=Math.floor(t.width*this._resolutionScale),s=Math.floor(t.height*this._resolutionScale);r===this.renderTarget.width&&s===this.renderTarget.height||(this.renderTarget.setSize(r,s),this.textureNeedsUpdate=!0)}let r="RTT";this.node.name&&(r=this.node.name+" [ "+r+" ]"),this._quadMesh.material.fragmentNode=this._rttNode,this._quadMesh.name=r,e.setRenderTarget(this.renderTarget),this._quadMesh.render(e),e.setRenderTarget(t)}clone(){const e=new ed(this.value,this.uvNode,this.levelNode);return e.sampler=this.sampler,e.referenceNode=this,e}}const $x=(e,...t)=>new Gx(sn(e),...t),zx=gn(([e,t,r],s)=>{let i;s.renderer.coordinateSystem===h?(e=Sn(e.x,e.y.oneMinus()).mul(2).sub(1),i=Ln(An(e,t),1)):i=Ln(An(e.x,e.y.oneMinus(),t).mul(2).sub(1),1);const n=Ln(r.mul(i));return n.xyz.div(n.w)}),Wx=gn(([e,t])=>{const r=t.mul(Ln(e,1)),s=r.xy.div(r.w).mul(.5).add(.5).toVar();return Sn(s.x,s.y.oneMinus())}),Hx=gn(([e,t,r])=>{const s=Yl(sd(t)),i=Rn(e.mul(s)).toVar(),n=sd(t,i).toVar(),a=sd(t,i.sub(Rn(2,0))).toVar(),o=sd(t,i.sub(Rn(1,0))).toVar(),u=sd(t,i.add(Rn(1,0))).toVar(),l=sd(t,i.add(Rn(2,0))).toVar(),d=sd(t,i.add(Rn(0,2))).toVar(),c=sd(t,i.add(Rn(0,1))).toVar(),h=sd(t,i.sub(Rn(0,1))).toVar(),p=sd(t,i.sub(Rn(0,2))).toVar(),g=$o(Oa(Tn(2).mul(o).sub(a),n)).toVar(),m=$o(Oa(Tn(2).mul(u).sub(l),n)).toVar(),f=$o(Oa(Tn(2).mul(c).sub(d),n)).toVar(),y=$o(Oa(Tn(2).mul(h).sub(p),n)).toVar(),b=zx(e,n,r).toVar(),x=g.lessThan(m).select(b.sub(zx(e.sub(Sn(Tn(1).div(s.x),0)),o,r)),b.negate().add(zx(e.add(Sn(Tn(1).div(s.x),0)),u,r))),T=f.lessThan(y).select(b.sub(zx(e.add(Sn(0,Tn(1).div(s.y))),c,r)),b.negate().add(zx(e.sub(Sn(0,Tn(1).div(s.y))),h,r)));return Ao(lu(x,T))}),jx=gn(([e])=>Co(Tn(52.9829189).mul(Co(uu(e,Sn(.06711056,.00583715)))))).setLayout({name:"interleavedGradientNoise",type:"float",inputs:[{name:"position",type:"vec2"}]}),qx=gn(([e,t,r])=>{const s=Tn(2.399963229728653),i=So(Tn(e).add(.5).div(Tn(t))),n=Tn(e).mul(s).add(r);return Sn(Lo(n),Mo(n)).mul(i)}).setLayout({name:"vogelDiskSample",type:"vec2",inputs:[{name:"sampleIndex",type:"int"},{name:"samplesCount",type:"int"},{name:"phi",type:"float"}]});class Xx extends pi{static get type(){return"SampleNode"}constructor(e,t=null){super(),this.callback=e,this.uvNode=t,this.isSampleNode=!0}setup(){return this.sample(ql())}sample(e){return this.callback(e)}}class Yx extends j{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageInstancedBufferAttribute=!0}}class Qx extends Ae{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageBufferAttribute=!0}}class Kx extends pi{static get type(){return"PointUVNode"}constructor(){super("vec2"),this.isPointUVNode=!0}generate(){return"vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y )"}}const Zx=ln(Kx),Jx=new a,eT=Aa(0).setGroup(Ra).onRenderUpdate(({scene:e})=>e.backgroundBlurriness),tT=Aa(1).setGroup(Ra).onRenderUpdate(({scene:e})=>e.backgroundIntensity),rT=Aa(new a).setGroup(Ra).onRenderUpdate(({scene:e})=>{const t=e.background;return null!==t&&t.isTexture&&t.mapping!==dt?Jx.makeRotationFromEuler(e.backgroundRotation).transpose():Jx.identity(),Jx});class sT extends ed{static get type(){return"StorageTextureNode"}constructor(e,t,r=null){super(e,t),this.storeNode=r,this.mipLevel=0,this.isStorageTextureNode=!0,this.access=ai.WRITE_ONLY}getInputType(){return"storageTexture"}getTransformedUV(e){return e}setup(e){super.setup(e);const t=e.getNodeProperties(this);return t.storeNode=this.storeNode,t}setAccess(e){return this.access=e,this}setMipLevel(e){return this.mipLevel=e,this}generate(e,t){return null!==this.storeNode?(this.generateStore(e),""):super.generate(e,t)}generateSnippet(e,t,r,s,i,n,a,o,u){const l=this.value;return e.generateStorageTextureLoad(l,t,r,s,n,u)}toReadWrite(){return this.setAccess(ai.READ_WRITE)}toReadOnly(){return this.setAccess(ai.READ_ONLY)}toWriteOnly(){return this.setAccess(ai.WRITE_ONLY)}store(e,t){const r=this.clone();return r.referenceNode=this.getBase(),r.uvNode=e,r.storeNode=t,null!==t&&r.toStack(),r}generateStore(e){const t=e.getNodeProperties(this),{uvNode:r,storeNode:s,depthNode:i}=t,n=super.generate(e,"property"),a=r.build(e,!0===this.value.is3DTexture?"uvec3":"uvec2"),o=s.build(e,"vec4"),u=i?i.build(e,"int"):null,l=e.generateTextureStore(this.value,n,a,u,o);e.addLineFlowCode(l,this)}clone(){const e=super.clone();return e.storeNode=this.storeNode,e.mipLevel=this.mipLevel,e.access=this.access,e}}const iT=un(sT).setParameterLength(1,3);class nT extends sT{static get type(){return"StorageTexture3DNode"}constructor(e,t,r=null){super(e,t,r),this.isStorageTexture3DNode=!0}getDefaultUV(){return An(.5,.5,.5)}setUpdateMatrix(){}generateUV(e,t){return t.build(e,!0===this.sampler?"vec3":"ivec3")}generateOffset(e,t){return t.build(e,"ivec3")}}const aT=un(nT).setParameterLength(1,3),oT=gn(({texture:e,uv:t})=>{const r=1e-4,s=An().toVar();return yn(t.x.lessThan(r),()=>{s.assign(An(1,0,0))}).ElseIf(t.y.lessThan(r),()=>{s.assign(An(0,1,0))}).ElseIf(t.z.lessThan(r),()=>{s.assign(An(0,0,1))}).ElseIf(t.x.greaterThan(.9999),()=>{s.assign(An(-1,0,0))}).ElseIf(t.y.greaterThan(.9999),()=>{s.assign(An(0,-1,0))}).ElseIf(t.z.greaterThan(.9999),()=>{s.assign(An(0,0,-1))}).Else(()=>{const r=.01,i=e.sample(t.add(An(-.01,0,0))).r.sub(e.sample(t.add(An(r,0,0))).r),n=e.sample(t.add(An(0,-.01,0))).r.sub(e.sample(t.add(An(0,r,0))).r),a=e.sample(t.add(An(0,0,-.01))).r.sub(e.sample(t.add(An(0,0,r))).r);s.assign(An(i,n,a))}),s.normalize()});class uT extends ed{static get type(){return"Texture3DNode"}constructor(e,t=null,r=null){super(e,t,r),this.isTexture3DNode=!0}getInputType(){return"texture3D"}getDefaultUV(){return An(.5,.5,.5)}setUpdateMatrix(){}generateUV(e,t){return t.build(e,!0===this.sampler?"vec3":"ivec3")}generateOffset(e,t){return t.build(e,"ivec3")}normal(e){return oT({texture:this,uv:e})}}const lT=un(uT).setParameterLength(1,3);class dT extends Zc{static get type(){return"UserDataNode"}constructor(e,t,r=null){super(e,t,r),this.userData=r}updateReference(e){return this.reference=null!==this.userData?this.userData:e.object.userData,this.reference}}const cT=new WeakMap;class hT extends fi{static get type(){return"VelocityNode"}constructor(){super("vec2"),this.projectionMatrix=null,this.updateType=ii.OBJECT,this.updateAfterType=ii.OBJECT,this.previousModelWorldMatrix=Aa(new a),this.previousProjectionMatrix=Aa(new a).setGroup(Ra),this.previousCameraViewMatrix=Aa(new a)}setProjectionMatrix(e){this.projectionMatrix=e}update({frameId:e,camera:t,object:r}){const s=gT(r);this.previousModelWorldMatrix.value.copy(s);const i=pT(t);i.frameId!==e&&(i.frameId=e,void 0===i.previousProjectionMatrix?(i.previousProjectionMatrix=new a,i.previousCameraViewMatrix=new a,i.currentProjectionMatrix=new a,i.currentCameraViewMatrix=new a,i.previousProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.previousCameraViewMatrix.copy(t.matrixWorldInverse)):(i.previousProjectionMatrix.copy(i.currentProjectionMatrix),i.previousCameraViewMatrix.copy(i.currentCameraViewMatrix)),i.currentProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.currentCameraViewMatrix.copy(t.matrixWorldInverse),this.previousProjectionMatrix.value.copy(i.previousProjectionMatrix),this.previousCameraViewMatrix.value.copy(i.previousCameraViewMatrix))}updateAfter({object:e}){gT(e).copy(e.matrixWorld)}setup(){const e=null===this.projectionMatrix?kd:Aa(this.projectionMatrix),t=this.previousCameraViewMatrix.mul(this.previousModelWorldMatrix),r=e.mul(dc).mul(fc),s=this.previousProjectionMatrix.mul(t).mul(yc),i=r.xy.div(r.w),n=s.xy.div(s.w);return Oa(i,n)}}function pT(e){let t=cT.get(e);return void 0===t&&(t={},cT.set(e,t)),t}function gT(e,t=0){const r=pT(e);let s=r[t];return void 0===s&&(r[t]=s=new a,r[t].copy(e.matrixWorld)),s}const mT=ln(hT),fT=gn(([e,t])=>ru(1,e.oneMinus().div(t)).oneMinus()).setLayout({name:"blendBurn",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),yT=gn(([e,t])=>ru(e.div(t.oneMinus()),1)).setLayout({name:"blendDodge",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),bT=gn(([e,t])=>e.oneMinus().mul(t.oneMinus()).oneMinus()).setLayout({name:"blendScreen",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),xT=gn(([e,t])=>xu(e.mul(2).mul(t),e.oneMinus().mul(2).mul(t.oneMinus()).oneMinus(),iu(.5,e))).setLayout({name:"blendOverlay",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),TT=gn(([e,t])=>{const r=t.a.add(e.a.mul(t.a.oneMinus()));return Ln(t.rgb.mul(t.a).add(e.rgb.mul(e.a).mul(t.a.oneMinus())).div(r),r)}).setLayout({name:"blendColor",type:"vec4",inputs:[{name:"base",type:"vec4"},{name:"blend",type:"vec4"}]}),_T=gn(([e])=>RT(e.rgb)),vT=gn(([e,t=Tn(1)])=>t.mix(RT(e.rgb),e.rgb)),NT=gn(([e,t=Tn(1)])=>{const r=Ia(e.r,e.g,e.b).div(3),s=e.r.max(e.g.max(e.b)),i=s.sub(r).mul(t).mul(-3);return xu(e.rgb,s,i)}),ST=gn(([e,t=Tn(1)])=>{const r=An(.57735,.57735,.57735),s=t.cos();return An(e.rgb.mul(s).add(r.cross(e.rgb).mul(t.sin()).add(r.mul(uu(r,e.rgb).mul(s.oneMinus())))))}),RT=(e,t=An(p.getLuminanceCoefficients(new r)))=>uu(e,t),ET=gn(([e,t=An(1),s=An(0),i=An(1),n=Tn(1),a=An(p.getLuminanceCoefficients(new r,Re))])=>{const o=e.rgb.dot(An(a)),u=su(e.rgb.mul(t).add(s),0).toVar(),l=u.pow(i).toVar();return yn(u.r.greaterThan(0),()=>{u.r.assign(l.r)}),yn(u.g.greaterThan(0),()=>{u.g.assign(l.g)}),yn(u.b.greaterThan(0),()=>{u.b.assign(l.b)}),u.assign(o.add(u.sub(o).mul(n))),Ln(u.rgb,e.a)}),wT=gn(([e,t])=>e.mul(t).floor().div(t));let AT=null;class CT extends hg{static get type(){return"ViewportSharedTextureNode"}constructor(e=md,t=null){null===AT&&(AT=new Q),super(e,t,AT)}getTextureForReference(){return AT}updateReference(){return this}}const MT=un(CT).setParameterLength(0,2),BT=new t;class LT extends ed{static get type(){return"PassTextureNode"}constructor(e,t){super(t),this.passNode=e,this.isPassTextureNode=!0,this.setUpdateMatrix(!1)}setup(e){return e.getNodeProperties(this).passNode=this.passNode,super.setup(e)}clone(){return new this.constructor(this.passNode,this.value)}}class FT extends LT{static get type(){return"PassMultipleTextureNode"}constructor(e,t,r=!1){super(e,null),this.textureName=t,this.previousTexture=r,this.isPassMultipleTextureNode=!0}updateTexture(){this.value=this.previousTexture?this.passNode.getPreviousTexture(this.textureName):this.passNode.getTexture(this.textureName)}setup(e){return this.updateTexture(),super.setup(e)}clone(){const e=new this.constructor(this.passNode,this.textureName,this.previousTexture);return e.uvNode=this.uvNode,e.levelNode=this.levelNode,e.biasNode=this.biasNode,e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.gatherNode=this.gatherNode,e.offsetNode=this.offsetNode,e}}class PT extends fi{static get type(){return"PassNode"}constructor(e,t,r,s={}){super("vec4"),this.scope=e,this.scene=t,this.camera=r,this.options=s,this._width=1,this._height=1;const i=new ne(this._width,this._height,{type:Te,...s});i.texture.name="output";let n=null;this.scope!==PT.DEPTH&&!1===s.depthBuffer||(n=new Z,n.isRenderTargetTexture=!0,n.name="depth",i.depthTexture=n),this.renderTarget=i,this.overrideMaterial=null,this.transparent=!0,this.opaque=!0,this.contextNode=null,this._contextNodeCache=null,this._textures={output:i.texture},null!==n&&(this._textures.depth=n),this._textureNodes={},this._linearDepthNodes={},this._viewZNodes={},this._previousTextures={},this._previousTextureNodes={},this._cameraNear=Aa(0),this._cameraFar=Aa(0),this._mrt=null,this._layers=null,this._resolutionScale=1,this._viewport=null,this._scissor=null,this.isPassNode=!0,this.updateBeforeType=ii.FRAME,this.global=!0}setResolutionScale(e){return this._resolutionScale=e,this}getResolutionScale(){return this._resolutionScale}setResolution(e){return d("PassNode: .setResolution() is deprecated. Use .setResolutionScale() instead."),this.setResolutionScale(e)}getResolution(){return d("PassNode: .getResolution() is deprecated. Use .getResolutionScale() instead."),this.getResolutionScale()}setLayers(e){return this._layers=e,this}getLayers(){return this._layers}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}getTexture(e){let t=this._textures[e];if(void 0===t){if("depth"===e)throw new Error("THREE.PassNode: Depth texture is not available for this pass.");t=this.renderTarget.texture.clone(),t.name=e,this._textures[e]=t,this.renderTarget.textures.push(t)}return t}getPreviousTexture(e){let t=this._previousTextures[e];return void 0===t&&(t=this.getTexture(e).clone(),this._previousTextures[e]=t),t}toggleTexture(e){const t=this._previousTextures[e];if(void 0!==t){const r=this._textures[e],s=this.renderTarget.textures.indexOf(r);this.renderTarget.textures[s]=t,this._textures[e]=t,this._previousTextures[e]=r,this._textureNodes[e].updateTexture(),this._previousTextureNodes[e].updateTexture()}}getTextureNode(e="output"){let t=this._textureNodes[e];return void 0===t&&(t=new FT(this,e),t.updateTexture(),this._textureNodes[e]=t),t}getPreviousTextureNode(e="output"){let t=this._previousTextureNodes[e];return void 0===t&&(void 0===this._textureNodes[e]&&this.getTextureNode(e),t=new FT(this,e,!0),t.updateTexture(),this._previousTextureNodes[e]=t),t}getViewZNode(e="depth"){let t=this._viewZNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar;this._viewZNodes[e]=t=Rg(this.getTextureNode(e),r,s)}return t}getLinearDepthNode(e="depth"){let t=this._linearDepthNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar,i=this.getViewZNode(e);this._linearDepthNodes[e]=t=_g(i,r,s)}return t}async compileAsync(e){const t=e.getRenderTarget(),r=e.getMRT();e.setRenderTarget(this.renderTarget),e.setMRT(this._mrt),await e.compileAsync(this.scene,this.camera),e.setRenderTarget(t),e.setMRT(r)}setup({renderer:e}){return this.renderTarget.samples=void 0===this.options.samples?e.samples:this.options.samples,this.renderTarget.texture.type=e.getOutputBufferType(),!0===e.reversedDepthBuffer&&null!==this.renderTarget.depthTexture&&(this.renderTarget.depthTexture.type=Y),this.scope===PT.COLOR?this.getTextureNode():this.getLinearDepthNode()}updateBefore(e){const{renderer:t}=e,{scene:r}=this;let s;const i=t.getOutputRenderTarget();i&&!0===i.isXRRenderTarget?(s=t.xr.getCamera(),t.xr.updateCamera(s),BT.set(i.width,i.height)):(s=this.camera,t.getDrawingBufferSize(BT)),this.setSize(BT.width,BT.height);const n=t.getRenderTarget(),a=t.getMRT(),o=t.autoClear,u=t.transparent,l=t.opaque,d=s.layers.mask,c=t.contextNode,h=r.overrideMaterial;this._cameraNear.value=s.near,this._cameraFar.value=s.far,null!==this._layers&&(s.layers.mask=this._layers.mask);for(const e in this._previousTextures)this.toggleTexture(e);null!==this.overrideMaterial&&(r.overrideMaterial=this.overrideMaterial),t.setRenderTarget(this.renderTarget),t.setMRT(this._mrt),t.autoClear=!0,t.transparent=this.transparent,t.opaque=this.opaque,null!==this.contextNode&&(null!==this._contextNodeCache&&this._contextNodeCache.version===this.version||(this._contextNodeCache={version:this.version,context:Pu({...t.contextNode.getFlowContextData(),...this.contextNode.getFlowContextData()})}),t.contextNode=this._contextNodeCache.context);const p=r.name;r.name=this.name?this.name:r.name,t.render(r,s),r.name=p,r.overrideMaterial=h,t.setRenderTarget(n),t.setMRT(a),t.autoClear=o,t.transparent=u,t.opaque=l,t.contextNode=c,s.layers.mask=d}setSize(e,t){this._width=e,this._height=t;const r=Math.floor(this._width*this._resolutionScale),s=Math.floor(this._height*this._resolutionScale);this.renderTarget.setSize(r,s),null!==this._scissor?(this.renderTarget.scissor.copy(this._scissor).multiplyScalar(this._resolutionScale).floor(),this.renderTarget.scissorTest=!0):this.renderTarget.scissorTest=!1,null!==this._viewport&&this.renderTarget.viewport.copy(this._viewport).multiplyScalar(this._resolutionScale).floor()}setScissor(e,t,r,i){null===e?this._scissor=null:(null===this._scissor&&(this._scissor=new s),e.isVector4?this._scissor.copy(e):this._scissor.set(e,t,r,i))}setViewport(e,t,r,i){null===e?this._viewport=null:(null===this._viewport&&(this._viewport=new s),e.isVector4?this._viewport.copy(e):this._viewport.set(e,t,r,i))}dispose(){this.renderTarget.dispose()}}PT.COLOR="color",PT.DEPTH="depth";class UT extends PT{static get type(){return"ToonOutlinePassNode"}constructor(e,t,r,s,i){super(PT.COLOR,e,t),this.colorNode=r,this.thicknessNode=s,this.alphaNode=i,this._materialCache=new WeakMap,this.name="Outline Pass"}updateBefore(e){const{renderer:t}=e,r=t.getRenderObjectFunction();t.setRenderObjectFunction((e,r,s,i,n,a,o,u)=>{if((n.isMeshToonMaterial||n.isMeshToonNodeMaterial)&&!1===n.wireframe){const l=this._getOutlineMaterial(n);t.renderObject(e,r,s,i,l,a,o,u)}t.renderObject(e,r,s,i,n,a,o,u)}),super.updateBefore(e),t.setRenderObjectFunction(r)}_createMaterial(){const e=new Ig;e.isMeshToonOutlineMaterial=!0,e.name="Toon_Outline",e.side=F;const t=wc.negate(),r=kd.mul(dc),s=Tn(1),i=r.mul(Ln(fc,1)),n=r.mul(Ln(fc.add(t),1)),a=Ao(i.sub(n));return e.vertexNode=i.add(a.mul(this.thicknessNode).mul(i.w).mul(s)),e.colorNode=Ln(this.colorNode,this.alphaNode),e}_getOutlineMaterial(e){let t=this._materialCache.get(e);return void 0===t&&(t=this._createMaterial(),this._materialCache.set(e,t)),t}}const DT=gn(([e,t])=>e.mul(t).clamp()).setLayout({name:"linearToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),IT=gn(([e,t])=>(e=e.mul(t)).div(e.add(1)).clamp()).setLayout({name:"reinhardToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),OT=gn(([e,t])=>{const r=(e=(e=e.mul(t)).sub(.004).max(0)).mul(e.mul(6.2).add(.5)),s=e.mul(e.mul(6.2).add(1.7)).add(.06);return r.div(s).pow(2.2)}).setLayout({name:"cineonToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),VT=gn(([e])=>{const t=e.mul(e.add(.0245786)).sub(90537e-9),r=e.mul(e.add(.432951).mul(.983729)).add(.238081);return t.div(r)}),kT=gn(([e,t])=>{const r=In(.59719,.35458,.04823,.076,.90834,.01566,.0284,.13383,.83777),s=In(1.60475,-.53108,-.07367,-.10208,1.10813,-.00605,-.00327,-.07276,1.07602);return e=e.mul(t).div(.6),e=r.mul(e),e=VT(e),(e=s.mul(e)).clamp()}).setLayout({name:"acesFilmicToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),GT=In(An(1.6605,-.1246,-.0182),An(-.5876,1.1329,-.1006),An(-.0728,-.0083,1.1187)),$T=In(An(.6274,.0691,.0164),An(.3293,.9195,.088),An(.0433,.0113,.8956)),zT=gn(([e])=>{const t=An(e).toVar(),r=An(t.mul(t)).toVar(),s=An(r.mul(r)).toVar();return Tn(15.5).mul(s.mul(r)).sub(Va(40.14,s.mul(t))).add(Va(31.96,s).sub(Va(6.868,r.mul(t))).add(Va(.4298,r).add(Va(.1191,t).sub(.00232))))}),WT=gn(([e,t])=>{const r=An(e).toVar(),s=In(An(.856627153315983,.137318972929847,.11189821299995),An(.0951212405381588,.761241990602591,.0767994186031903),An(.0482516061458583,.101439036467562,.811302368396859)),i=In(An(1.1271005818144368,-.1413297634984383,-.14132976349843826),An(-.11060664309660323,1.157823702216272,-.11060664309660294),An(-.016493938717834573,-.016493938717834257,1.2519364065950405)),n=Tn(-12.47393),a=Tn(4.026069);return r.mulAssign(t),r.assign($T.mul(r)),r.assign(s.mul(r)),r.assign(su(r,1e-10)),r.assign(No(r)),r.assign(r.sub(n).div(a.sub(n))),r.assign(Tu(r,0,1)),r.assign(zT(r)),r.assign(i.mul(r)),r.assign(du(su(An(0),r),An(2.2))),r.assign(GT.mul(r)),r.assign(Tu(r,0,1)),r}).setLayout({name:"agxToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),HT=gn(([e,t])=>{const r=Tn(.76),s=Tn(.15);e=e.mul(t);const i=ru(e.r,ru(e.g,e.b)),n=Lu(i.lessThan(.08),i.sub(Va(6.25,i.mul(i))),.04);e.subAssign(n);const a=su(e.r,su(e.g,e.b));yn(a.lessThan(r),()=>e);const o=Oa(1,r),u=Oa(1,o.mul(o).div(a.add(o.sub(r))));e.mulAssign(u.div(a));const l=Oa(1,ka(1,s.mul(a.sub(u)).add(1)));return xu(e,An(u),l)}).setLayout({name:"neutralToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]});class jT extends pi{static get type(){return"CodeNode"}constructor(e="",t=[],r=""){super("code"),this.isCodeNode=!0,this.global=!0,this.code=e,this.includes=t,this.language=r}setIncludes(e){return this.includes=e,this}getIncludes(){return this.includes}generate(e){const t=this.getIncludes(e);for(const r of t)r.build(e);const r=e.getCodeFromNode(this,this.getNodeType(e));return r.code=this.code,r.code}serialize(e){super.serialize(e),e.code=this.code,e.language=this.language}deserialize(e){super.deserialize(e),this.code=e.code,this.language=e.language}}const qT=un(jT).setParameterLength(1,3);class XT extends jT{static get type(){return"FunctionNode"}constructor(e="",t=[],r=""){super(e,t,r)}generateNodeType(e){return this.getNodeFunction(e).type}getMemberType(e,t){const r=this.getNodeType(e);return e.getStructTypeNode(r).getMemberType(e,t)}getInputs(e){return this.getNodeFunction(e).inputs}getNodeFunction(e){const t=e.getDataFromNode(this);let r=t.nodeFunction;return void 0===r&&(r=e.parser.parseFunction(this.code),t.nodeFunction=r),r}generate(e,t){super.generate(e);const r=this.getNodeFunction(e),s=r.name,i=r.type,n=e.getCodeFromNode(this,i);""!==s&&(n.name=s);const a=e.getPropertyName(n),o=this.getNodeFunction(e).getCode(a);return n.code=o+"\n","property"===t?a:e.format(`${a}()`,i,t)}}const YT=(e,t=[],r="")=>{const s=new XT(e,t,r);return cn((...e)=>s.call(...e),s)};function QT(e){let t;const r=e.context.getViewZ;return void 0!==r&&(t=r(this)),(t||Tc.z).negate()}const KT=gn(([e,t],r)=>{const s=QT(r);return Nu(e,t,s)}),ZT=gn(([e],t)=>{const r=QT(t);return e.mul(e,r,r).negate().exp().oneMinus()}),JT=gn(([e,t],r)=>{const s=QT(r),i=t.sub(bc.y).max(0).toConst().mul(s).toConst();return e.mul(e,i,i).negate().exp().oneMinus()}),e_=gn(([e,t])=>Ln(t.toFloat().mix(da.rgb,e.toVec3()),da.a));let t_=null,r_=null;class s_ extends pi{static get type(){return"RangeNode"}constructor(e=Tn(),t=Tn()){super(),this.minNode=e,this.maxNode=t}getVectorLength(e){const t=this.getConstNode(this.minNode),r=this.getConstNode(this.maxNode),s=e.getTypeLength(Ks(t.value)),i=e.getTypeLength(Ks(r.value));return s>i?s:i}generateNodeType(e){return e.object.count>1?e.getTypeFromLength(this.getVectorLength(e)):"float"}getConstNode(e){let t=null;if(e.traverse(e=>{!0===e.isConstNode&&(t=e)}),null===t)throw new Zl('THREE.TSL: No "ConstNode" found in node graph.',this.stackTrace);return t}setup(e){const t=e.object;let r=null;if(t.count>1){const i=this.getConstNode(this.minNode),n=this.getConstNode(this.maxNode),a=i.value,o=n.value,u=e.getTypeLength(Ks(a)),d=e.getTypeLength(Ks(o));t_=t_||new s,r_=r_||new s,t_.setScalar(0),r_.setScalar(0),1===u?t_.setScalar(a):a.isColor?t_.set(a.r,a.g,a.b,1):t_.set(a.x,a.y,a.z||0,a.w||0),1===d?r_.setScalar(o):o.isColor?r_.set(o.r,o.g,o.b,1):r_.set(o.x,o.y,o.z||0,o.w||0);const c=4,h=c*t.count,p=new Float32Array(h);for(let e=0;e<h;e++){const t=e%c,r=t_.getComponent(t),s=r_.getComponent(t);p[e]=l.lerp(r,s,Math.random())}const g=this.getNodeType(e);if(4*t.count*4<=e.getUniformBufferLimit())r=nd(p,"vec4",t.count).element(bl).convert(g);else{const t=new j(p,4);e.geometry.setAttribute("__range"+this.id,t),r=gl(t).convert(g)}}else r=Tn(0);return r}}const i_=un(s_).setParameterLength(2);class n_ extends pi{static get type(){return"ComputeBuiltinNode"}constructor(e,t){super(t),this._builtinName=e}getHash(e){return this.getBuiltinName(e)}generateNodeType(){return this.nodeType}setBuiltinName(e){return this._builtinName=e,this}getBuiltinName(){return this._builtinName}hasBuiltin(e){return e.hasBuiltin(this._builtinName)}generate(e,t){const r=this.getBuiltinName(e),s=this.getNodeType(e);return"compute"===e.shaderStage?e.format(r,s,t):(d(`ComputeBuiltinNode: Compute built-in value ${r} can not be accessed in the ${e.shaderStage} stage`),e.generateConst(s))}serialize(e){super.serialize(e),e.global=this.global,e._builtinName=this._builtinName}deserialize(e){super.deserialize(e),this.global=e.global,this._builtinName=e._builtinName}}const a_=(e,t)=>new n_(e,t),o_=a_("numWorkgroups","uvec3"),u_=a_("workgroupId","uvec3"),l_=a_("globalId","uvec3"),d_=a_("localId","uvec3"),c_=a_("subgroupSize","uint");class h_ extends pi{constructor(e){super(),this.scope=e,this.isBarrierNode=!0}setup(e){e.allowEarlyReturns=!1,e.allowGlobalVariables=!1}generate(e){const{scope:t}=this,{renderer:r}=e;!0===r.backend.isWebGLBackend?e.addFlowCode(`\t// ${t}Barrier \n`):e.addLineFlowCode(`${t}Barrier()`,this)}}const p_=un(h_);class g_ extends gi{constructor(e,t){super(e,t),this.isWorkgroupInfoElementNode=!0}generate(e,t){let r;const s=e.isContextAssign();if(r=super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}class m_ extends pi{constructor(e,t,r=0){super(t),this.bufferType=t,this.bufferCount=r,this.isWorkgroupInfoNode=!0,this.elementType=t,this.scope=e,this.name=""}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.',new Vs),this.setName(e)}setScope(e){return this.scope=e,this}getElementType(){return this.elementType}getInputType(){return`${this.scope}Array`}element(e){return new g_(this,e)}generate(e){const t=""!==this.name?this.name:`${this.scope}Array_${this.id}`;return e.getScopedArray(t,this.scope.toLowerCase(),this.bufferType,this.bufferCount)}}class f_ extends pi{static get type(){return"AtomicFunctionNode"}constructor(e,t,r){super("uint"),this.method=e,this.pointerNode=t,this.valueNode=r,this.parents=!0}getInputType(e){return this.pointerNode.getNodeType(e)}generateNodeType(e){return this.getInputType(e)}generate(e){const t=e.getNodeProperties(this),r=t.parents,s=this.method,i=this.getNodeType(e),n=this.getInputType(e),a=this.pointerNode,o=this.valueNode,u=[];u.push(`&${a.build(e,n)}`),null!==o&&u.push(o.build(e,n));const l=`${e.getMethod(s,i)}( ${u.join(", ")} )`;if(!(!!r&&(1===r.length&&!0===r[0].isStackNode)))return void 0===t.constNode&&(t.constNode=Pl(l,i).toConst()),t.constNode.build(e);e.addLineFlowCode(l,this)}}f_.ATOMIC_LOAD="atomicLoad",f_.ATOMIC_STORE="atomicStore",f_.ATOMIC_ADD="atomicAdd",f_.ATOMIC_SUB="atomicSub",f_.ATOMIC_MAX="atomicMax",f_.ATOMIC_MIN="atomicMin",f_.ATOMIC_AND="atomicAnd",f_.ATOMIC_OR="atomicOr",f_.ATOMIC_XOR="atomicXor";const y_=un(f_),b_=(e,t,r)=>y_(e,t,r).toStack();class x_ extends fi{static get type(){return"SubgroupFunctionNode"}constructor(e,t=null,r=null){super(),this.method=e,this.aNode=t,this.bNode=r}getInputType(e){const t=this.aNode?this.aNode.getNodeType(e):null,r=this.bNode?this.bNode.getNodeType(e):null;return(e.isMatrix(t)?0:e.getTypeLength(t))>(e.isMatrix(r)?0:e.getTypeLength(r))?t:r}generateNodeType(e){const t=this.method;return t===x_.SUBGROUP_ELECT?"bool":t===x_.SUBGROUP_BALLOT?"uvec4":this.getInputType(e)}generate(e,t){const r=this.method,s=this.getNodeType(e),i=this.getInputType(e),n=this.aNode,a=this.bNode,o=[];if(r===x_.SUBGROUP_BROADCAST||r===x_.SUBGROUP_SHUFFLE||r===x_.QUAD_BROADCAST){const t=a.getNodeType(e);o.push(n.build(e,s),a.build(e,"float"===t?"int":s))}else r===x_.SUBGROUP_SHUFFLE_XOR||r===x_.SUBGROUP_SHUFFLE_DOWN||r===x_.SUBGROUP_SHUFFLE_UP?o.push(n.build(e,s),a.build(e,"uint")):(null!==n&&o.push(n.build(e,i)),null!==a&&o.push(a.build(e,i)));const u=0===o.length?"()":`( ${o.join(", ")} )`;return e.format(`${e.getMethod(r,s)}${u}`,s,t)}serialize(e){super.serialize(e),e.method=this.method}deserialize(e){super.deserialize(e),this.method=e.method}}x_.SUBGROUP_ELECT="subgroupElect",x_.SUBGROUP_BALLOT="subgroupBallot",x_.SUBGROUP_ADD="subgroupAdd",x_.SUBGROUP_INCLUSIVE_ADD="subgroupInclusiveAdd",x_.SUBGROUP_EXCLUSIVE_AND="subgroupExclusiveAdd",x_.SUBGROUP_MUL="subgroupMul",x_.SUBGROUP_INCLUSIVE_MUL="subgroupInclusiveMul",x_.SUBGROUP_EXCLUSIVE_MUL="subgroupExclusiveMul",x_.SUBGROUP_AND="subgroupAnd",x_.SUBGROUP_OR="subgroupOr",x_.SUBGROUP_XOR="subgroupXor",x_.SUBGROUP_MIN="subgroupMin",x_.SUBGROUP_MAX="subgroupMax",x_.SUBGROUP_ALL="subgroupAll",x_.SUBGROUP_ANY="subgroupAny",x_.SUBGROUP_BROADCAST_FIRST="subgroupBroadcastFirst",x_.QUAD_SWAP_X="quadSwapX",x_.QUAD_SWAP_Y="quadSwapY",x_.QUAD_SWAP_DIAGONAL="quadSwapDiagonal",x_.SUBGROUP_BROADCAST="subgroupBroadcast",x_.SUBGROUP_SHUFFLE="subgroupShuffle",x_.SUBGROUP_SHUFFLE_XOR="subgroupShuffleXor",x_.SUBGROUP_SHUFFLE_UP="subgroupShuffleUp",x_.SUBGROUP_SHUFFLE_DOWN="subgroupShuffleDown",x_.QUAD_BROADCAST="quadBroadcast";const T_=dn(x_,x_.SUBGROUP_ELECT).setParameterLength(0),__=dn(x_,x_.SUBGROUP_BALLOT).setParameterLength(1),v_=dn(x_,x_.SUBGROUP_ADD).setParameterLength(1),N_=dn(x_,x_.SUBGROUP_INCLUSIVE_ADD).setParameterLength(1),S_=dn(x_,x_.SUBGROUP_EXCLUSIVE_AND).setParameterLength(1),R_=dn(x_,x_.SUBGROUP_MUL).setParameterLength(1),E_=dn(x_,x_.SUBGROUP_INCLUSIVE_MUL).setParameterLength(1),w_=dn(x_,x_.SUBGROUP_EXCLUSIVE_MUL).setParameterLength(1),A_=dn(x_,x_.SUBGROUP_AND).setParameterLength(1),C_=dn(x_,x_.SUBGROUP_OR).setParameterLength(1),M_=dn(x_,x_.SUBGROUP_XOR).setParameterLength(1),B_=dn(x_,x_.SUBGROUP_MIN).setParameterLength(1),L_=dn(x_,x_.SUBGROUP_MAX).setParameterLength(1),F_=dn(x_,x_.SUBGROUP_ALL).setParameterLength(0),P_=dn(x_,x_.SUBGROUP_ANY).setParameterLength(0),U_=dn(x_,x_.SUBGROUP_BROADCAST_FIRST).setParameterLength(2),D_=dn(x_,x_.QUAD_SWAP_X).setParameterLength(1),I_=dn(x_,x_.QUAD_SWAP_Y).setParameterLength(1),O_=dn(x_,x_.QUAD_SWAP_DIAGONAL).setParameterLength(1),V_=dn(x_,x_.SUBGROUP_BROADCAST).setParameterLength(2),k_=dn(x_,x_.SUBGROUP_SHUFFLE).setParameterLength(2),G_=dn(x_,x_.SUBGROUP_SHUFFLE_XOR).setParameterLength(2),$_=dn(x_,x_.SUBGROUP_SHUFFLE_UP).setParameterLength(2),z_=dn(x_,x_.SUBGROUP_SHUFFLE_DOWN).setParameterLength(2),W_=dn(x_,x_.QUAD_BROADCAST).setParameterLength(1);let H_;function j_(e){H_=H_||new WeakMap;let t=H_.get(e);return void 0===t&&H_.set(e,t={}),t}function q_(e){const t=j_(e);return t.shadowMatrix||(t.shadowMatrix=Aa("mat4").setGroup(Ra).onRenderUpdate(t=>(!0===e.castShadow&&!1!==t.renderer.shadowMap.enabled||(e.shadow.camera.coordinateSystem!==t.camera.coordinateSystem&&(e.shadow.camera.coordinateSystem=t.camera.coordinateSystem,e.shadow.camera.updateProjectionMatrix()),e.shadow.updateMatrices(e)),e.shadow.matrix)))}function X_(e,t=bc){const r=q_(e).mul(t);return r.xyz.div(r.w)}function Y_(e){const t=j_(e);return t.position||(t.position=Aa(new r).setGroup(Ra).onRenderUpdate((t,r)=>r.value.setFromMatrixPosition(e.matrixWorld)))}function Q_(e){const t=j_(e);return t.targetPosition||(t.targetPosition=Aa(new r).setGroup(Ra).onRenderUpdate((t,r)=>r.value.setFromMatrixPosition(e.target.matrixWorld)))}function K_(e){const t=j_(e);return t.viewPosition||(t.viewPosition=Aa(new r).setGroup(Ra).onRenderUpdate(({camera:t},s)=>{s.value=s.value||new r,s.value.setFromMatrixPosition(e.matrixWorld),s.value.applyMatrix4(t.matrixWorldInverse)}))}const Z_=e=>$d.transformDirection(Y_(e).sub(Q_(e))),J_=$n("vec3","totalDiffuse"),ev=$n("vec3","totalSpecular"),tv=$n("vec3","outgoingLight"),rv=(e,t)=>{for(const r of t)if(r.isAnalyticLightNode&&r.light.id===e)return r;return null},sv=new WeakMap,iv=[];class nv extends pi{static get type(){return"LightsNode"}constructor(){super("vec3"),this.totalDiffuseNode=J_,this.totalSpecularNode=ev,this.outgoingLightNode=tv,this._lights=[],this.global=!0}customCacheKey(){const e=this._lights;for(let t=0;t<e.length;t++){const r=e[t];if(iv.push(r.id),iv.push(r.castShadow?1:0),!0===r.isSpotLight){const e=null!==r.map?r.map.id:-1,t=r.colorNode?r.colorNode.getCacheKey():-1;iv.push(e,t)}}const t=$s(iv);return iv.length=0,t}getHash(e){const t=e.getDataFromNode(this);if(void 0===t.lightNodesHash){const r=this.setupLightsNode(e);t.lightNodes=r;const s=[];for(const e of r)s.push(e.getHash());t.lightNodesHash="lights-"+s.join(",")}return t.lightNodesHash}analyze(e){const t=e.getNodeProperties(this);for(const r of t.nodes)r.build(e);t.outputNode.build(e)}setupLightsNode(e){const t=[],r=e.getDataFromNode(this).lightNodes||null,s=(e=>e.sort((e,t)=>e.id-t.id))([...e.context.materialLightings,...this._lights]),i=e.renderer.library;for(const e of s)if(e.isNode)t.push(e);else{let s=null;if(null!==r&&(s=rv(e.id,r)),null===s){const t=i.getLightNodeClass(e.constructor);if(null===t){d(`LightsNode.setupNodeLights: Light node not found for ${e.constructor.name}`);continue}!1===sv.has(e)&&sv.set(e,new t(e)),s=sv.get(e)}t.push(s)}return t}setupDirectLight(e,t,r){const{lightingModel:s,reflectedLight:i}=e.context;s.direct({...r,lightNode:t,reflectedLight:i},e)}setupDirectRectAreaLight(e,t,r){const{lightingModel:s,reflectedLight:i}=e.context;s.directRectArea({...r,lightNode:t,reflectedLight:i},e)}setupLights(e,t){for(const r of t)r.build(e)}getLightNodes(e){const t=e.getDataFromNode(this);return void 0===t.lightNodes&&(t.lightNodes=this.setupLightsNode(e)),t.lightNodes}setup(e){const t=e.lightsNode;e.lightsNode=this;let r=this.outgoingLightNode;const s=e.context,i=s.lightingModel,n=e.getNodeProperties(this);if(i){const{totalDiffuseNode:t,totalSpecularNode:a}=this;s.outgoingLight=r;const o=e.addStack();n.nodes=o.nodes,i.start(e);const{backdrop:u,backdropAlpha:l}=s,{directDiffuse:d,directSpecular:c,indirectDiffuse:h,indirectSpecular:p}=s.reflectedLight;let g=d.add(h);null!==u&&(g=An(null!==l?l.mix(g,u):u)),t.assign(g),a.assign(c.add(p)),r.assign(t.add(a)),i.finish(e),r=r.bypass(e.removeStack())}else n.nodes=[];return e.lightsNode=t,r}setLights(e){return this._lights=e,this}getLights(){return this._lights}get hasLights(){return this._lights.length>0}}class av extends pi{static get type(){return"ShadowBaseNode"}constructor(e){super(),this.light=e,this.updateBeforeType=ii.RENDER,this.isShadowBaseNode=!0}setupShadowPosition({context:e,material:t}){ov.assign(t.receivedShadowPositionNode||e.shadowPositionWorld||bc)}}const ov=$n("vec3","shadowPositionWorld");function uv(t,r={}){return r.toneMapping=t.toneMapping,r.toneMappingExposure=t.toneMappingExposure,r.outputColorSpace=t.outputColorSpace,r.renderTarget=t.getRenderTarget(),r.activeCubeFace=t.getActiveCubeFace(),r.activeMipmapLevel=t.getActiveMipmapLevel(),r.renderObjectFunction=t.getRenderObjectFunction(),r.pixelRatio=t.getPixelRatio(),r.mrt=t.getMRT(),r.clearColor=t.getClearColor(r.clearColor||new e),r.clearAlpha=t.getClearAlpha(),r.autoClear=t.autoClear,r.scissorTest=t.getScissorTest(),r}function lv(e,t){return t=uv(e,t),e.setMRT(null),e.setRenderObjectFunction(null),e.setClearColor(0,1),e.autoClear=!0,t}function dv(e,t){e.toneMapping=t.toneMapping,e.toneMappingExposure=t.toneMappingExposure,e.outputColorSpace=t.outputColorSpace,e.setRenderTarget(t.renderTarget,t.activeCubeFace,t.activeMipmapLevel),e.setRenderObjectFunction(t.renderObjectFunction),e.setPixelRatio(t.pixelRatio),e.setMRT(t.mrt),e.setClearColor(t.clearColor,t.clearAlpha),e.autoClear=t.autoClear,e.setScissorTest(t.scissorTest)}function cv(e,t={}){return t.background=e.background,t.backgroundNode=e.backgroundNode,t.overrideMaterial=e.overrideMaterial,t}function hv(e,t){return t=cv(e,t),e.background=null,e.backgroundNode=null,e.overrideMaterial=null,t}function pv(e,t){e.background=t.background,e.backgroundNode=t.backgroundNode,e.overrideMaterial=t.overrideMaterial}function gv(e,t,r){return r=hv(t,r=lv(e,r))}function mv(e,t,r){dv(e,r),pv(t,r)}var fv=Object.freeze({__proto__:null,resetRendererAndSceneState:gv,resetRendererState:lv,resetSceneState:hv,restoreRendererAndSceneState:mv,restoreRendererState:dv,restoreSceneState:pv,saveRendererAndSceneState:function(e,t,r={}){return r=cv(t,r=uv(e,r))},saveRendererState:uv,saveSceneState:cv});const yv=new WeakMap,bv=gn(({depthTexture:e,shadowCoord:t,depthLayer:r})=>{let s=rd(e,t.xy).setName("t_basic");return e.isArrayTexture&&(s=s.depth(r)),s.compare(t.z)}),xv=gn(({depthTexture:e,shadowCoord:t,shadow:r,depthLayer:s})=>{const i=(t,r)=>{let i=rd(e,t);return e.isArrayTexture&&(i=i.depth(s)),i.compare(r)},n=Jc("mapSize","vec2",r).setGroup(Ra),a=Jc("radius","float",r).setGroup(Ra),o=Sn(1).div(n),u=a.mul(o.x),l=jx(yd.xy).mul(6.28318530718);return Ia(i(t.xy.add(qx(0,5,l).mul(u)),t.z),i(t.xy.add(qx(1,5,l).mul(u)),t.z),i(t.xy.add(qx(2,5,l).mul(u)),t.z),i(t.xy.add(qx(3,5,l).mul(u)),t.z),i(t.xy.add(qx(4,5,l).mul(u)),t.z)).mul(.2)}),Tv=gn(({depthTexture:e,shadowCoord:t,shadow:r,depthLayer:s})=>{const i=Jc("mapSize","vec2",r).setGroup(Ra),n=Sn(1).div(i),a=t.xy,o=Co(a.mul(i).add(.5)).toConst();a.subAssign(o.sub(.5).mul(n));const u=r=>{let i=rd(e,a).offset(r).gather();return e.isArrayTexture&&(i=i.depth(s)),i.compare(t.z)},l=u(Rn(-1,1)).toConst(),d=u(Rn(1,1)).toConst(),c=u(Rn(-1,-1)).toConst(),h=u(Rn(1,-1)).toConst();return Ia(xu(l.x,d.y,o.x).add(l.y).add(d.x).mul(o.y),xu(l.w,d.z,o.x).add(l.z).add(d.w),xu(c.x,h.y,o.x).add(c.y).add(h.x),xu(c.w,h.z,o.x).add(c.z).add(h.w).mul(o.y.oneMinus())).mul(1/9)}),_v=gn(({depthTexture:e,shadowCoord:t,depthLayer:r},s)=>{let i=rd(e).sample(t.xy);e.isArrayTexture&&(i=i.depth(r)),i=i.rg;const n=i.x,a=su(1e-7,i.y.mul(i.y)),o=s.renderer.reversedDepthBuffer?iu(n,t.z):iu(t.z,n),u=Tn(1).toVar();return yn(o.notEqual(1),()=>{const e=t.z.sub(n);let r=a.div(a.add(e.mul(e)));r=Tu(Oa(r,.3).div(.65)),u.assign(su(o,r))}),u}),vv=e=>{let t=yv.get(e);return void 0===t&&(t=new Ig,t.colorNode=Ln(0,0,0,1),t.isShadowPassMaterial=!0,t.name="ShadowMaterial",t.blending=re,t.fog=!1,yv.set(e,t)),t},Nv=e=>{const t=yv.get(e);void 0!==t&&(t.dispose(),yv.delete(e))},Sv=new Wy,Rv=[],Ev=(e,t,r,s)=>{Rv[0]=e,Rv[1]=t;let i=Sv.get(Rv);return void 0!==i&&i.shadowType===r&&i.useVelocity===s||(i=(i,n,a,o,u,l,...d)=>{(!0===i.castShadow||i.receiveShadow&&r===pt)&&(s&&(Js(i).useVelocity=!0),i.onBeforeShadow(e,i,a,t.camera,o,n.overrideMaterial,l),e.renderObject(i,n,a,o,u,l,...d),i.onAfterShadow(e,i,a,t.camera,o,n.overrideMaterial,l))},i.shadowType=r,i.useVelocity=s,Sv.set(Rv,i)),Rv[0]=null,Rv[1]=null,i},wv=gn(({samples:e,radius:t,size:r,shadowPass:s,depthLayer:i})=>{const n=Tn(0).toVar("meanVertical"),a=Tn(0).toVar("squareMeanVertical"),o=e.lessThanEqual(Tn(1)).select(Tn(0),Tn(2).div(e.sub(1))),u=e.lessThanEqual(Tn(1)).select(Tn(0),Tn(-1));Zp({start:_n(0),end:_n(e),type:"int",condition:"<"},({i:e})=>{const l=u.add(Tn(e).mul(o));let d=s.sample(Ia(yd.xy,Sn(0,l).mul(t)).div(r));s.value.isArrayTexture&&(d=d.depth(i)),d=d.x,n.addAssign(d),a.addAssign(d.mul(d))}),n.divAssign(e),a.divAssign(e);const l=So(a.sub(n.mul(n)).max(0));return Sn(n,l)}),Av=gn(({samples:e,radius:t,size:r,shadowPass:s,depthLayer:i})=>{const n=Tn(0).toVar("meanHorizontal"),a=Tn(0).toVar("squareMeanHorizontal"),o=e.lessThanEqual(Tn(1)).select(Tn(0),Tn(2).div(e.sub(1))),u=e.lessThanEqual(Tn(1)).select(Tn(0),Tn(-1));Zp({start:_n(0),end:_n(e),type:"int",condition:"<"},({i:e})=>{const l=u.add(Tn(e).mul(o));let d=s.sample(Ia(yd.xy,Sn(l,0).mul(t)).div(r));s.value.isArrayTexture&&(d=d.depth(i)),n.addAssign(d.x),a.addAssign(Ia(d.y.mul(d.y),d.x.mul(d.x)))}),n.divAssign(e),a.divAssign(e);const l=So(a.sub(n.mul(n)).max(0));return Sn(n,l)}),Cv=[bv,xv,Tv,_v];let Mv;const Bv=new Vx;class Lv extends av{static get type(){return"ShadowNode"}constructor(e,t=null){super(e),this.shadow=t||e.shadow,this.shadowMap=null,this.vsmShadowMapVertical=null,this.vsmShadowMapHorizontal=null,this.vsmMaterialVertical=null,this.vsmMaterialHorizontal=null,this._node=null,this._currentShadowType=null,this._cameraFrameId=new WeakMap,this.isShadowNode=!0,this.depthLayer=0}setupShadowFilter(e,{filterFn:t,depthTexture:r,shadowCoord:s,shadow:i,depthLayer:n}){const a=s.x.greaterThanEqual(0).and(s.x.lessThanEqual(1)).and(s.y.greaterThanEqual(0)).and(s.y.lessThanEqual(1)).and(s.z.lessThanEqual(1)),o=t({depthTexture:r,shadowCoord:s,shadow:i,depthLayer:n});return a.select(o,Tn(1))}setupShadowCoord(e,t){const{shadow:r}=this,{renderer:s}=e,i=r.biasNode||Jc("bias","float",r).setGroup(Ra);let n,a=t;if(r.camera.isOrthographicCamera||!0!==s.logarithmicDepthBuffer)a=a.xyz.div(a.w),n=a.z;else{const e=a.w;a=a.xy.div(e);const t=Jc("near","float",r.camera).setGroup(Ra),s=Jc("far","float",r.camera).setGroup(Ra);n=Eg(e.negate(),t,s)}return a=An(a.x,a.y.oneMinus(),s.reversedDepthBuffer?n.sub(i):n.add(i)),a}getShadowFilterFn(e){return Cv[e]}setupRenderTarget(e,t){const r=new Z(e.mapSize.width,e.mapSize.height);r.name="ShadowDepthTexture",r.compareFunction=t.renderer.reversedDepthBuffer?M:A;const s=t.createRenderTarget(e.mapSize.width,e.mapSize.height);return s.texture.name="ShadowMap",s.texture.type=e.mapType,s.depthTexture=r,{shadowMap:s,depthTexture:r}}setupShadow(e){const{renderer:t,camera:r}=e,{light:s,shadow:i}=this,{depthTexture:n,shadowMap:a}=this.setupRenderTarget(i,e),o=t.shadowMap.type,u=t.hasCompatibility(E.TEXTURE_COMPARE);if(o!==ct&&o!==ht||!u?(n.minFilter=B,n.magFilter=B):(n.minFilter=le,n.magFilter=le),i.camera.coordinateSystem=r.coordinateSystem,i.camera.updateProjectionMatrix(),o===pt&&!0!==i.isPointLightShadow){n.compareFunction=null,a.depth>1?(a._vsmShadowMapVertical||(a._vsmShadowMapVertical=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:z,type:Te,depth:a.depth,depthBuffer:!1}),a._vsmShadowMapVertical.texture.name="VSMVertical"),this.vsmShadowMapVertical=a._vsmShadowMapVertical,a._vsmShadowMapHorizontal||(a._vsmShadowMapHorizontal=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:z,type:Te,depth:a.depth,depthBuffer:!1}),a._vsmShadowMapHorizontal.texture.name="VSMHorizontal"),this.vsmShadowMapHorizontal=a._vsmShadowMapHorizontal):(this.vsmShadowMapVertical=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:z,type:Te,depthBuffer:!1}),this.vsmShadowMapHorizontal=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:z,type:Te,depthBuffer:!1}));let t=rd(n);n.isArrayTexture&&(t=t.depth(this.depthLayer));let r=rd(this.vsmShadowMapVertical.texture);n.isArrayTexture&&(r=r.depth(this.depthLayer));const s=Jc("blurSamples","float",i).setGroup(Ra),o=Jc("radius","float",i).setGroup(Ra),u=Jc("mapSize","vec2",i).setGroup(Ra);let l=this.vsmMaterialVertical||(this.vsmMaterialVertical=new Ig);l.fragmentNode=wv({samples:s,radius:o,size:u,shadowPass:t,depthLayer:this.depthLayer}).context(e.getSharedContext()),l.name="VSMVertical",l=this.vsmMaterialHorizontal||(this.vsmMaterialHorizontal=new Ig),l.fragmentNode=Av({samples:s,radius:o,size:u,shadowPass:r,depthLayer:this.depthLayer}).context(e.getSharedContext()),l.name="VSMHorizontal"}const l=Jc("intensity","float",i).setGroup(Ra),d=Jc("normalBias","float",i).setGroup(Ra),c=q_(s),h=Lc.mul(d);let p;if(!t.highPrecision||e.material.receivedShadowPositionNode||e.context.shadowPositionWorld)p=c.mul(ov.add(h));else{p=Aa("mat4").onObjectUpdate(({object:e},t)=>t.value.multiplyMatrices(c.value,e.matrixWorld)).mul(fc).add(c.mul(Ln(h,0)))}const g=this.setupShadowCoord(e,p),m=i.filterNode||this.getShadowFilterFn(t.shadowMap.type)||null;if(null===m)throw new Error("THREE.WebGPURenderer: Shadow map type not supported yet.");const f=o===pt&&!0!==i.isPointLightShadow?this.vsmShadowMapHorizontal.texture:n,y=this.setupShadowFilter(e,{filterFn:m,shadowTexture:a.texture,depthTexture:f,shadowCoord:g,shadow:i,depthLayer:this.depthLayer});let b,x;!0===t.shadowMap.transmitted&&(a.texture.isCubeTexture?b=Qc(a.texture,g.xyz):(b=rd(a.texture,g),n.isArrayTexture&&(b=b.depth(this.depthLayer)))),x=b?xu(1,y.rgb.mix(b,1),l.mul(b.a)).toVar():xu(1,y,l).toVar(),this.shadowMap=a,this.shadow.map=a;const T=`${this.light.type} Shadow [ ${this.light.name||"ID: "+this.light.id} ]`;return b&&x.toInspector(`${T} / Color`,()=>this.shadowMap.texture.isCubeTexture?Qc(this.shadowMap.texture,tm()):rd(this.shadowMap.texture)),x.toInspector(`${T} / Depth`,()=>{const e=Jc("near","float",this.shadow.camera),t=Jc("far","float",this.shadow.camera);let r,s;return r=this.shadowMap.texture.isCubeTexture?Qc(this.shadowMap.depthTexture,tm()).r:rd(this.shadowMap.depthTexture).r,s=this.shadow.camera.isPerspectiveCamera?Rg(r,e,t):vg(r,e,t),s=_g(s,e,t),s.oneMinus()})}setup(e){if(!1!==e.renderer.shadowMap.enabled)return gn(()=>{const t=e.renderer.shadowMap.type;this._currentShadowType!==t&&(this._reset(),this._node=null);let r=this._node;return this.setupShadowPosition(e),null===r&&(this._node=r=this.setupShadow(e),this._currentShadowType=t),e.material.receivedShadowNode&&(r=e.material.receivedShadowNode(r)),r})()}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e;t.updateMatrices(s),r.setSize(t.mapSize.width,t.mapSize.height,r.depth);const a=n.name;n.name=`Shadow Map [ ${s.name||"ID: "+s.id} ]`,i.render(n,t.camera),n.name=a}updateShadow(e){const{shadowMap:t,light:r,shadow:s}=this,{renderer:i,scene:n,camera:a}=e,o=i.shadowMap.type,u=t.depthTexture.version;this._depthVersionCached=u;const l=s.camera.layers.mask;4294967294&s.camera.layers.mask||(s.camera.layers.mask=a.layers.mask);const d=i.getRenderObjectFunction(),c=i.getMRT(),h=!!c&&c.has("velocity");Mv=gv(i,n,Mv),n.overrideMaterial=vv(r),i.setRenderObjectFunction(Ev(i,s,o,h)),i.setClearColor(0,0),i.setRenderTarget(t),this.renderShadow(e),i.setRenderObjectFunction(d),o===pt&&!0!==s.isPointLightShadow&&this.vsmPass(i),s.camera.layers.mask=l,mv(i,n,Mv)}vsmPass(e){const{shadow:t}=this,r=this.shadowMap.depth;this.vsmShadowMapVertical.setSize(t.mapSize.width,t.mapSize.height,r),this.vsmShadowMapHorizontal.setSize(t.mapSize.width,t.mapSize.height,r),e.setRenderTarget(this.vsmShadowMapVertical),Bv.material=this.vsmMaterialVertical,Bv.render(e),e.setRenderTarget(this.vsmShadowMapHorizontal),Bv.material=this.vsmMaterialHorizontal,Bv.render(e)}dispose(){this._reset(),super.dispose()}_reset(){this._currentShadowType=null,Nv(this.light),this.shadowMap&&(this.shadowMap.dispose(),this.shadowMap=null),null!==this.vsmShadowMapVertical&&(this.vsmShadowMapVertical.dispose(),this.vsmShadowMapVertical=null,this.vsmMaterialVertical.dispose(),this.vsmMaterialVertical=null),null!==this.vsmShadowMapHorizontal&&(this.vsmShadowMapHorizontal.dispose(),this.vsmShadowMapHorizontal=null,this.vsmMaterialHorizontal.dispose(),this.vsmMaterialHorizontal=null)}updateBefore(e){const{shadow:t}=this;let r=t.needsUpdate||t.autoUpdate;r&&(this._cameraFrameId[e.camera]===e.frameId&&(r=!1),this._cameraFrameId[e.camera]=e.frameId),r&&(this.updateShadow(e),this.shadowMap.depthTexture.version===this._depthVersionCached&&(t.needsUpdate=!1))}}const Fv=(e,t)=>new Lv(e,t),Pv=new e,Uv=new a,Dv=new r,Iv=new r,Ov=[new r(1,0,0),new r(-1,0,0),new r(0,-1,0),new r(0,1,0),new r(0,0,1),new r(0,0,-1)],Vv=[new r(0,-1,0),new r(0,-1,0),new r(0,0,-1),new r(0,0,1),new r(0,-1,0),new r(0,-1,0)],kv=[new r(1,0,0),new r(-1,0,0),new r(0,1,0),new r(0,-1,0),new r(0,0,1),new r(0,0,-1)],Gv=[new r(0,-1,0),new r(0,-1,0),new r(0,0,1),new r(0,0,-1),new r(0,-1,0),new r(0,-1,0)],$v=gn(({depthTexture:e,bd3D:t,dp:r})=>Qc(e,t).compare(r)),zv=gn(({depthTexture:e,bd3D:t,dp:r,shadow:s})=>{const i=Jc("radius","float",s).setGroup(Ra),n=Jc("mapSize","vec2",s).setGroup(Ra),a=i.div(n.x),o=$o(t),u=Ao(lu(t,o.x.greaterThan(o.z).select(An(0,1,0),An(1,0,0)))),l=lu(t,u),d=jx(yd.xy).mul(6.28318530718),c=qx(0,5,d),h=qx(1,5,d),p=qx(2,5,d),g=qx(3,5,d),m=qx(4,5,d);return Qc(e,t.add(u.mul(c.x).add(l.mul(c.y)).mul(a))).compare(r).add(Qc(e,t.add(u.mul(h.x).add(l.mul(h.y)).mul(a))).compare(r)).add(Qc(e,t.add(u.mul(p.x).add(l.mul(p.y)).mul(a))).compare(r)).add(Qc(e,t.add(u.mul(g.x).add(l.mul(g.y)).mul(a))).compare(r)).add(Qc(e,t.add(u.mul(m.x).add(l.mul(m.y)).mul(a))).compare(r)).mul(.2)}),Wv=gn(({filterFn:e,depthTexture:t,shadowCoord:r,shadow:s},i)=>{const n=r.xyz.toConst(),a=n.abs().toConst(),o=a.x.max(a.y).max(a.z),u=Aa("float").setGroup(Ra).onRenderUpdate(()=>s.camera.near),l=Aa("float").setGroup(Ra).onRenderUpdate(()=>s.camera.far),d=Jc("bias","float",s).setGroup(Ra),c=Tn(1).toVar();return yn(o.sub(l).lessThanEqual(0).and(o.sub(u).greaterThanEqual(0)),()=>{let r;i.renderer.reversedDepthBuffer?(r=Sg(o.negate(),u,l),r.subAssign(d)):i.renderer.logarithmicDepthBuffer?(r=Eg(o.negate(),u,l),r.addAssign(d)):(r=Ng(o.negate(),u,l),r.addAssign(d));const a=n.normalize();c.assign(e({depthTexture:t,bd3D:a,dp:r,shadow:s}))}),c});class Hv extends Lv{static get type(){return"PointShadowNode"}constructor(e,t=null){super(e,t)}getShadowFilterFn(e){return e===gt?$v:zv}setupShadowCoord(e,t){return t}setupShadowFilter(e,{filterFn:t,depthTexture:r,shadowCoord:s,shadow:i}){return Wv({filterFn:t,depthTexture:r,shadowCoord:s,shadow:i})}setupRenderTarget(e,t){const r=new mt(e.mapSize.width);r.name="PointShadowDepthTexture",r.compareFunction=t.renderer.reversedDepthBuffer?M:A;const s=t.createCubeRenderTarget(e.mapSize.width);return s.texture.name="PointShadowMap",s.depthTexture=r,{shadowMap:s,depthTexture:r}}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e,a=t.camera,o=t.matrix,u=i.coordinateSystem===h,l=u?Ov:kv,d=u?Vv:Gv;r.setSize(t.mapSize.width,t.mapSize.width);const c=i.autoClear,p=i.getClearColor(Pv),g=i.getClearAlpha();i.autoClear=!1,i.setClearColor(t.clearColor,t.clearAlpha);for(let e=0;e<6;e++){i.setRenderTarget(r,e),i.clear();const u=s.distance||a.far;u!==a.far&&(a.far=u,a.updateProjectionMatrix()),Dv.setFromMatrixPosition(s.matrixWorld),a.position.copy(Dv),Iv.copy(a.position),Iv.add(l[e]),a.up.copy(d[e]),a.lookAt(Iv),a.updateMatrixWorld(),o.makeTranslation(-Dv.x,-Dv.y,-Dv.z),Uv.multiplyMatrices(a.projectionMatrix,a.matrixWorldInverse),t._frustum.setFromProjectionMatrix(Uv,a.coordinateSystem,a.reversedDepth);const c=n.name;n.name=`Point Light Shadow [ ${s.name||"ID: "+s.id} ] - Face ${e+1}`,i.render(n,a),n.name=c}i.autoClear=c,i.setClearColor(p,g)}}const jv=(e,t)=>new Hv(e,t);class qv extends ag{static get type(){return"AnalyticLightNode"}constructor(t=null){super(),this.light=t,this.color=new e,this.colorNode=t&&t.colorNode||Aa(this.color).setGroup(Ra),this.baseColorNode=null,this.shadowNode=null,this.shadowColorNode=null,this.isAnalyticLightNode=!0,this.updateType=ii.FRAME,t&&t.shadow&&(this._shadowDisposeListener=()=>{this.disposeShadow()},t.addEventListener("dispose",this._shadowDisposeListener))}dispose(){this._shadowDisposeListener&&this.light.removeEventListener("dispose",this._shadowDisposeListener),super.dispose()}disposeShadow(){null!==this.shadowNode&&(this.shadowNode.dispose(),this.shadowNode=null),this.shadowColorNode=null,null!==this.baseColorNode&&(this.colorNode=this.baseColorNode,this.baseColorNode=null)}getHash(){return this.light.uuid}getLightVector(e){return K_(this.light).sub(e.context.positionView||Tc)}setupDirect(){}setupDirectRectArea(){}setupShadowNode(){return Fv(this.light)}setupShadow(e){const{renderer:t}=e;if(!1===t.shadowMap.enabled)return;let r=this.shadowColorNode;if(null===r){const e=this.light.shadow.shadowNode;let t;t=void 0!==e?sn(e):this.setupShadowNode(),this.shadowNode=t,this.shadowColorNode=r=this.colorNode.mul(t),this.baseColorNode=this.colorNode}e.context.getShadow&&(r=e.context.getShadow(this,e)),this.colorNode=r}setup(e){this.colorNode=this.baseColorNode||this.colorNode,this.light.castShadow?e.object.receiveShadow&&this.setupShadow(e):null!==this.shadowNode&&(this.shadowNode.dispose(),this.shadowNode=null,this.shadowColorNode=null);const t=this.setupDirect(e),r=this.setupDirectRectArea(e);t&&e.lightsNode.setupDirectLight(e,this,t),r&&e.lightsNode.setupDirectRectAreaLight(e,this,r)}update(){const{light:e}=this;this.color.copy(e.color).multiplyScalar(e.intensity)}}const Xv=gn(({lightDistance:e,cutoffDistance:t,decayExponent:r})=>{const s=e.pow(r).max(.01).reciprocal();return t.greaterThan(0).select(s.mul(e.div(t).pow4().oneMinus().clamp().pow2()),s)}),Yv=({color:e,lightVector:t,cutoffDistance:r,decayExponent:s})=>{const i=t.normalize(),n=t.length(),a=Xv({lightDistance:n,cutoffDistance:r,decayExponent:s});return{lightDirection:i,lightColor:e.mul(a)}};class Qv extends qv{static get type(){return"PointLightNode"}constructor(e=null){super(e),this.cutoffDistanceNode=Aa(0).setGroup(Ra),this.decayExponentNode=Aa(2).setGroup(Ra)}update(e){const{light:t}=this;super.update(e),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}setupShadowNode(){return jv(this.light)}setupDirect(e){return Yv({color:this.colorNode,lightVector:this.getLightVector(e),cutoffDistance:this.cutoffDistanceNode,decayExponent:this.decayExponentNode})}}const Kv=gn(([e=ql()])=>{const t=e.mul(2),r=t.x.floor(),s=t.y.floor();return r.add(s).mod(2).sign()}),Zv=gn(([e=ql()],{renderer:t,material:r})=>{const s=bu(e.mul(2).sub(1));let i;if(r.alphaToCoverage&&t.currentSamples>0){const e=Tn(s.fwidth()).toVar();i=Nu(e.oneMinus(),e.add(1),s).oneMinus()}else i=Lu(s.greaterThan(1),0,1);return i}),Jv=gn(([e,t,r])=>{const s=Tn(r).toVar(),i=Tn(t).toVar(),n=Nn(e).toVar();return Lu(n,i,s).uniformFlow()}).setLayout({name:"mx_select",type:"float",inputs:[{name:"b",type:"bool"},{name:"t",type:"float"},{name:"f",type:"float"}]}),eN=gn(([e,t])=>{const r=Nn(t).toVar(),s=Tn(e).toVar();return Lu(r,s.negate(),s).uniformFlow()}).setLayout({name:"mx_negate_if",type:"float",inputs:[{name:"val",type:"float"},{name:"b",type:"bool"}]}),tN=gn(([e])=>{const t=Tn(e).toVar();return _n(Eo(t))}).setLayout({name:"mx_floor",type:"int",inputs:[{name:"x",type:"float"}]}),rN=gn(([e,t])=>{const r=Tn(e).toVar();return t.assign(tN(r)),r.sub(Tn(t))}),sN=dx([gn(([e,t,r,s,i,n])=>{const a=Tn(n).toVar(),o=Tn(i).toVar(),u=Tn(s).toVar(),l=Tn(r).toVar(),d=Tn(t).toVar(),c=Tn(e).toVar(),h=Tn(Oa(1,o)).toVar();return Oa(1,a).mul(c.mul(h).add(d.mul(o))).add(a.mul(l.mul(h).add(u.mul(o))))}).setLayout({name:"mx_bilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"}]}),gn(([e,t,r,s,i,n])=>{const a=Tn(n).toVar(),o=Tn(i).toVar(),u=An(s).toVar(),l=An(r).toVar(),d=An(t).toVar(),c=An(e).toVar(),h=Tn(Oa(1,o)).toVar();return Oa(1,a).mul(c.mul(h).add(d.mul(o))).add(a.mul(l.mul(h).add(u.mul(o))))}).setLayout({name:"mx_bilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"}]})]),iN=dx([gn(([e,t,r,s,i,n,a,o,u,l,d])=>{const c=Tn(d).toVar(),h=Tn(l).toVar(),p=Tn(u).toVar(),g=Tn(o).toVar(),m=Tn(a).toVar(),f=Tn(n).toVar(),y=Tn(i).toVar(),b=Tn(s).toVar(),x=Tn(r).toVar(),T=Tn(t).toVar(),_=Tn(e).toVar(),v=Tn(Oa(1,p)).toVar(),N=Tn(Oa(1,h)).toVar();return Tn(Oa(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(x.mul(v).add(b.mul(p))))).add(c.mul(N.mul(y.mul(v).add(f.mul(p))).add(h.mul(m.mul(v).add(g.mul(p))))))}).setLayout({name:"mx_trilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"v4",type:"float"},{name:"v5",type:"float"},{name:"v6",type:"float"},{name:"v7",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]}),gn(([e,t,r,s,i,n,a,o,u,l,d])=>{const c=Tn(d).toVar(),h=Tn(l).toVar(),p=Tn(u).toVar(),g=An(o).toVar(),m=An(a).toVar(),f=An(n).toVar(),y=An(i).toVar(),b=An(s).toVar(),x=An(r).toVar(),T=An(t).toVar(),_=An(e).toVar(),v=Tn(Oa(1,p)).toVar(),N=Tn(Oa(1,h)).toVar();return Tn(Oa(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(x.mul(v).add(b.mul(p))))).add(c.mul(N.mul(y.mul(v).add(f.mul(p))).add(h.mul(m.mul(v).add(g.mul(p))))))}).setLayout({name:"mx_trilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"v4",type:"vec3"},{name:"v5",type:"vec3"},{name:"v6",type:"vec3"},{name:"v7",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]})]),nN=gn(([e,t,r])=>{const s=Tn(r).toVar(),i=Tn(t).toVar(),n=vn(e).toVar(),a=vn(n.bitAnd(vn(7))).toVar(),o=Tn(Jv(a.lessThan(vn(4)),i,s)).toVar(),u=Tn(Va(2,Jv(a.lessThan(vn(4)),s,i))).toVar();return eN(o,Nn(a.bitAnd(vn(1)))).add(eN(u,Nn(a.bitAnd(vn(2)))))}).setLayout({name:"mx_gradient_float_0",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"}]}),aN=gn(([e,t,r,s])=>{const i=Tn(s).toVar(),n=Tn(r).toVar(),a=Tn(t).toVar(),o=vn(e).toVar(),u=vn(o.bitAnd(vn(15))).toVar(),l=Tn(Jv(u.lessThan(vn(8)),a,n)).toVar(),d=Tn(Jv(u.lessThan(vn(4)),n,Jv(u.equal(vn(12)).or(u.equal(vn(14))),a,i))).toVar();return eN(l,Nn(u.bitAnd(vn(1)))).add(eN(d,Nn(u.bitAnd(vn(2)))))}).setLayout({name:"mx_gradient_float_1",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),oN=dx([nN,aN]),uN=gn(([e,t,r])=>{const s=Tn(r).toVar(),i=Tn(t).toVar(),n=Mn(e).toVar();return An(oN(n.x,i,s),oN(n.y,i,s),oN(n.z,i,s))}).setLayout({name:"mx_gradient_vec3_0",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"}]}),lN=gn(([e,t,r,s])=>{const i=Tn(s).toVar(),n=Tn(r).toVar(),a=Tn(t).toVar(),o=Mn(e).toVar();return An(oN(o.x,a,n,i),oN(o.y,a,n,i),oN(o.z,a,n,i))}).setLayout({name:"mx_gradient_vec3_1",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),dN=dx([uN,lN]),cN=gn(([e])=>{const t=Tn(e).toVar();return Va(.6616,t)}).setLayout({name:"mx_gradient_scale2d_0",type:"float",inputs:[{name:"v",type:"float"}]}),hN=gn(([e])=>{const t=Tn(e).toVar();return Va(.982,t)}).setLayout({name:"mx_gradient_scale3d_0",type:"float",inputs:[{name:"v",type:"float"}]}),pN=dx([cN,gn(([e])=>{const t=An(e).toVar();return Va(.6616,t)}).setLayout({name:"mx_gradient_scale2d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),gN=dx([hN,gn(([e])=>{const t=An(e).toVar();return Va(.982,t)}).setLayout({name:"mx_gradient_scale3d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),mN=gn(([e,t])=>{const r=_n(t).toVar(),s=vn(e).toVar();return s.shiftLeft(r).bitOr(s.shiftRight(_n(32).sub(r)))}).setLayout({name:"mx_rotl32",type:"uint",inputs:[{name:"x",type:"uint"},{name:"k",type:"int"}]}),fN=gn(([e,t,r])=>{e.subAssign(r),e.bitXorAssign(mN(r,_n(4))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(mN(e,_n(6))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(mN(t,_n(8))),t.addAssign(e),e.subAssign(r),e.bitXorAssign(mN(r,_n(16))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(mN(e,_n(19))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(mN(t,_n(4))),t.addAssign(e)}),yN=gn(([e,t,r])=>{const s=vn(r).toVar(),i=vn(t).toVar(),n=vn(e).toVar();return s.bitXorAssign(i),s.subAssign(mN(i,_n(14))),n.bitXorAssign(s),n.subAssign(mN(s,_n(11))),i.bitXorAssign(n),i.subAssign(mN(n,_n(25))),s.bitXorAssign(i),s.subAssign(mN(i,_n(16))),n.bitXorAssign(s),n.subAssign(mN(s,_n(4))),i.bitXorAssign(n),i.subAssign(mN(n,_n(14))),s.bitXorAssign(i),s.subAssign(mN(i,_n(24))),s}).setLayout({name:"mx_bjfinal",type:"uint",inputs:[{name:"a",type:"uint"},{name:"b",type:"uint"},{name:"c",type:"uint"}]}),bN=gn(([e])=>{const t=vn(e).toVar();return Tn(t).div(Tn(vn(_n(4294967295))))}).setLayout({name:"mx_bits_to_01",type:"float",inputs:[{name:"bits",type:"uint"}]}),xN=gn(([e])=>{const t=Tn(e).toVar();return t.mul(t).mul(t).mul(t.mul(t.mul(6).sub(15)).add(10))}).setLayout({name:"mx_fade",type:"float",inputs:[{name:"t",type:"float"}]}),TN=dx([gn(([e])=>{const t=_n(e).toVar(),r=vn(vn(1)).toVar(),s=vn(vn(_n(3735928559)).add(r.shiftLeft(vn(2))).add(vn(13))).toVar();return yN(s.add(vn(t)),s,s)}).setLayout({name:"mx_hash_int_0",type:"uint",inputs:[{name:"x",type:"int"}]}),gn(([e,t])=>{const r=_n(t).toVar(),s=_n(e).toVar(),i=vn(vn(2)).toVar(),n=vn().toVar(),a=vn().toVar(),o=vn().toVar();return n.assign(a.assign(o.assign(vn(_n(3735928559)).add(i.shiftLeft(vn(2))).add(vn(13))))),n.addAssign(vn(s)),a.addAssign(vn(r)),yN(n,a,o)}).setLayout({name:"mx_hash_int_1",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),gn(([e,t,r])=>{const s=_n(r).toVar(),i=_n(t).toVar(),n=_n(e).toVar(),a=vn(vn(3)).toVar(),o=vn().toVar(),u=vn().toVar(),l=vn().toVar();return o.assign(u.assign(l.assign(vn(_n(3735928559)).add(a.shiftLeft(vn(2))).add(vn(13))))),o.addAssign(vn(n)),u.addAssign(vn(i)),l.addAssign(vn(s)),yN(o,u,l)}).setLayout({name:"mx_hash_int_2",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]}),gn(([e,t,r,s])=>{const i=_n(s).toVar(),n=_n(r).toVar(),a=_n(t).toVar(),o=_n(e).toVar(),u=vn(vn(4)).toVar(),l=vn().toVar(),d=vn().toVar(),c=vn().toVar();return l.assign(d.assign(c.assign(vn(_n(3735928559)).add(u.shiftLeft(vn(2))).add(vn(13))))),l.addAssign(vn(o)),d.addAssign(vn(a)),c.addAssign(vn(n)),fN(l,d,c),l.addAssign(vn(i)),yN(l,d,c)}).setLayout({name:"mx_hash_int_3",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"}]}),gn(([e,t,r,s,i])=>{const n=_n(i).toVar(),a=_n(s).toVar(),o=_n(r).toVar(),u=_n(t).toVar(),l=_n(e).toVar(),d=vn(vn(5)).toVar(),c=vn().toVar(),h=vn().toVar(),p=vn().toVar();return c.assign(h.assign(p.assign(vn(_n(3735928559)).add(d.shiftLeft(vn(2))).add(vn(13))))),c.addAssign(vn(l)),h.addAssign(vn(u)),p.addAssign(vn(o)),fN(c,h,p),c.addAssign(vn(a)),h.addAssign(vn(n)),yN(c,h,p)}).setLayout({name:"mx_hash_int_4",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"},{name:"yy",type:"int"}]})]),_N=dx([gn(([e,t])=>{const r=_n(t).toVar(),s=_n(e).toVar(),i=vn(TN(s,r)).toVar(),n=Mn().toVar();return n.x.assign(i.bitAnd(_n(255))),n.y.assign(i.shiftRight(_n(8)).bitAnd(_n(255))),n.z.assign(i.shiftRight(_n(16)).bitAnd(_n(255))),n}).setLayout({name:"mx_hash_vec3_0",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),gn(([e,t,r])=>{const s=_n(r).toVar(),i=_n(t).toVar(),n=_n(e).toVar(),a=vn(TN(n,i,s)).toVar(),o=Mn().toVar();return o.x.assign(a.bitAnd(_n(255))),o.y.assign(a.shiftRight(_n(8)).bitAnd(_n(255))),o.z.assign(a.shiftRight(_n(16)).bitAnd(_n(255))),o}).setLayout({name:"mx_hash_vec3_1",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]})]),vN=dx([gn(([e])=>{const t=Sn(e).toVar(),r=_n().toVar(),s=_n().toVar(),i=Tn(rN(t.x,r)).toVar(),n=Tn(rN(t.y,s)).toVar(),a=Tn(xN(i)).toVar(),o=Tn(xN(n)).toVar(),u=Tn(sN(oN(TN(r,s),i,n),oN(TN(r.add(_n(1)),s),i.sub(1),n),oN(TN(r,s.add(_n(1))),i,n.sub(1)),oN(TN(r.add(_n(1)),s.add(_n(1))),i.sub(1),n.sub(1)),a,o)).toVar();return pN(u)}).setLayout({name:"mx_perlin_noise_float_0",type:"float",inputs:[{name:"p",type:"vec2"}]}),gn(([e])=>{const t=An(e).toVar(),r=_n().toVar(),s=_n().toVar(),i=_n().toVar(),n=Tn(rN(t.x,r)).toVar(),a=Tn(rN(t.y,s)).toVar(),o=Tn(rN(t.z,i)).toVar(),u=Tn(xN(n)).toVar(),l=Tn(xN(a)).toVar(),d=Tn(xN(o)).toVar(),c=Tn(iN(oN(TN(r,s,i),n,a,o),oN(TN(r.add(_n(1)),s,i),n.sub(1),a,o),oN(TN(r,s.add(_n(1)),i),n,a.sub(1),o),oN(TN(r.add(_n(1)),s.add(_n(1)),i),n.sub(1),a.sub(1),o),oN(TN(r,s,i.add(_n(1))),n,a,o.sub(1)),oN(TN(r.add(_n(1)),s,i.add(_n(1))),n.sub(1),a,o.sub(1)),oN(TN(r,s.add(_n(1)),i.add(_n(1))),n,a.sub(1),o.sub(1)),oN(TN(r.add(_n(1)),s.add(_n(1)),i.add(_n(1))),n.sub(1),a.sub(1),o.sub(1)),u,l,d)).toVar();return gN(c)}).setLayout({name:"mx_perlin_noise_float_1",type:"float",inputs:[{name:"p",type:"vec3"}]})]),NN=dx([gn(([e])=>{const t=Sn(e).toVar(),r=_n().toVar(),s=_n().toVar(),i=Tn(rN(t.x,r)).toVar(),n=Tn(rN(t.y,s)).toVar(),a=Tn(xN(i)).toVar(),o=Tn(xN(n)).toVar(),u=An(sN(dN(_N(r,s),i,n),dN(_N(r.add(_n(1)),s),i.sub(1),n),dN(_N(r,s.add(_n(1))),i,n.sub(1)),dN(_N(r.add(_n(1)),s.add(_n(1))),i.sub(1),n.sub(1)),a,o)).toVar();return pN(u)}).setLayout({name:"mx_perlin_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"vec2"}]}),gn(([e])=>{const t=An(e).toVar(),r=_n().toVar(),s=_n().toVar(),i=_n().toVar(),n=Tn(rN(t.x,r)).toVar(),a=Tn(rN(t.y,s)).toVar(),o=Tn(rN(t.z,i)).toVar(),u=Tn(xN(n)).toVar(),l=Tn(xN(a)).toVar(),d=Tn(xN(o)).toVar(),c=An(iN(dN(_N(r,s,i),n,a,o),dN(_N(r.add(_n(1)),s,i),n.sub(1),a,o),dN(_N(r,s.add(_n(1)),i),n,a.sub(1),o),dN(_N(r.add(_n(1)),s.add(_n(1)),i),n.sub(1),a.sub(1),o),dN(_N(r,s,i.add(_n(1))),n,a,o.sub(1)),dN(_N(r.add(_n(1)),s,i.add(_n(1))),n.sub(1),a,o.sub(1)),dN(_N(r,s.add(_n(1)),i.add(_n(1))),n,a.sub(1),o.sub(1)),dN(_N(r.add(_n(1)),s.add(_n(1)),i.add(_n(1))),n.sub(1),a.sub(1),o.sub(1)),u,l,d)).toVar();return gN(c)}).setLayout({name:"mx_perlin_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec3"}]})]),SN=dx([gn(([e])=>{const t=Tn(e).toVar(),r=_n(tN(t)).toVar();return bN(TN(r))}).setLayout({name:"mx_cell_noise_float_0",type:"float",inputs:[{name:"p",type:"float"}]}),gn(([e])=>{const t=Sn(e).toVar(),r=_n(tN(t.x)).toVar(),s=_n(tN(t.y)).toVar();return bN(TN(r,s))}).setLayout({name:"mx_cell_noise_float_1",type:"float",inputs:[{name:"p",type:"vec2"}]}),gn(([e])=>{const t=An(e).toVar(),r=_n(tN(t.x)).toVar(),s=_n(tN(t.y)).toVar(),i=_n(tN(t.z)).toVar();return bN(TN(r,s,i))}).setLayout({name:"mx_cell_noise_float_2",type:"float",inputs:[{name:"p",type:"vec3"}]}),gn(([e])=>{const t=Ln(e).toVar(),r=_n(tN(t.x)).toVar(),s=_n(tN(t.y)).toVar(),i=_n(tN(t.z)).toVar(),n=_n(tN(t.w)).toVar();return bN(TN(r,s,i,n))}).setLayout({name:"mx_cell_noise_float_3",type:"float",inputs:[{name:"p",type:"vec4"}]})]),RN=dx([gn(([e])=>{const t=Tn(e).toVar(),r=_n(tN(t)).toVar();return An(bN(TN(r,_n(0))),bN(TN(r,_n(1))),bN(TN(r,_n(2))))}).setLayout({name:"mx_cell_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"float"}]}),gn(([e])=>{const t=Sn(e).toVar(),r=_n(tN(t.x)).toVar(),s=_n(tN(t.y)).toVar();return An(bN(TN(r,s,_n(0))),bN(TN(r,s,_n(1))),bN(TN(r,s,_n(2))))}).setLayout({name:"mx_cell_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec2"}]}),gn(([e])=>{const t=An(e).toVar(),r=_n(tN(t.x)).toVar(),s=_n(tN(t.y)).toVar(),i=_n(tN(t.z)).toVar();return An(bN(TN(r,s,i,_n(0))),bN(TN(r,s,i,_n(1))),bN(TN(r,s,i,_n(2))))}).setLayout({name:"mx_cell_noise_vec3_2",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),gn(([e])=>{const t=Ln(e).toVar(),r=_n(tN(t.x)).toVar(),s=_n(tN(t.y)).toVar(),i=_n(tN(t.z)).toVar(),n=_n(tN(t.w)).toVar();return An(bN(TN(r,s,i,n,_n(0))),bN(TN(r,s,i,n,_n(1))),bN(TN(r,s,i,n,_n(2))))}).setLayout({name:"mx_cell_noise_vec3_3",type:"vec3",inputs:[{name:"p",type:"vec4"}]})]),EN=gn(([e,t,r,s])=>{const i=Tn(s).toVar(),n=Tn(r).toVar(),a=_n(t).toVar(),o=An(e).toVar(),u=Tn(0).toVar(),l=Tn(1).toVar();return Zp(a,()=>{u.addAssign(l.mul(vN(o))),l.mulAssign(i),o.mulAssign(n)}),u}).setLayout({name:"mx_fractal_noise_float",type:"float",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),wN=gn(([e,t,r,s])=>{const i=Tn(s).toVar(),n=Tn(r).toVar(),a=_n(t).toVar(),o=An(e).toVar(),u=An(0).toVar(),l=Tn(1).toVar();return Zp(a,()=>{u.addAssign(l.mul(NN(o))),l.mulAssign(i),o.mulAssign(n)}),u}).setLayout({name:"mx_fractal_noise_vec3",type:"vec3",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),AN=gn(([e,t,r,s])=>{const i=Tn(s).toVar(),n=Tn(r).toVar(),a=_n(t).toVar(),o=An(e).toVar();return Sn(EN(o,a,n,i),EN(o.add(An(_n(19),_n(193),_n(17))),a,n,i))}).setLayout({name:"mx_fractal_noise_vec2",type:"vec2",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),CN=gn(([e,t,r,s])=>{const i=Tn(s).toVar(),n=Tn(r).toVar(),a=_n(t).toVar(),o=An(e).toVar(),u=An(wN(o,a,n,i)).toVar(),l=Tn(EN(o.add(An(_n(19),_n(193),_n(17))),a,n,i)).toVar();return Ln(u,l)}).setLayout({name:"mx_fractal_noise_vec4",type:"vec4",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),MN=dx([gn(([e,t,r,s,i,n,a])=>{const o=_n(a).toVar(),u=Tn(n).toVar(),l=_n(i).toVar(),d=_n(s).toVar(),c=_n(r).toVar(),h=_n(t).toVar(),p=Sn(e).toVar(),g=An(RN(Sn(h.add(d),c.add(l)))).toVar(),m=Sn(g.x,g.y).toVar();m.subAssign(.5),m.mulAssign(u),m.addAssign(.5);const f=Sn(Sn(Tn(h),Tn(c)).add(m)).toVar(),y=Sn(f.sub(p)).toVar();return yn(o.equal(_n(2)),()=>$o(y.x).add($o(y.y))),yn(o.equal(_n(3)),()=>su($o(y.x),$o(y.y))),uu(y,y)}).setLayout({name:"mx_worley_distance_0",type:"float",inputs:[{name:"p",type:"vec2"},{name:"x",type:"int"},{name:"y",type:"int"},{name:"xoff",type:"int"},{name:"yoff",type:"int"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),gn(([e,t,r,s,i,n,a,o,u])=>{const l=_n(u).toVar(),d=Tn(o).toVar(),c=_n(a).toVar(),h=_n(n).toVar(),p=_n(i).toVar(),g=_n(s).toVar(),m=_n(r).toVar(),f=_n(t).toVar(),y=An(e).toVar(),b=An(RN(An(f.add(p),m.add(h),g.add(c)))).toVar();b.subAssign(.5),b.mulAssign(d),b.addAssign(.5);const x=An(An(Tn(f),Tn(m),Tn(g)).add(b)).toVar(),T=An(x.sub(y)).toVar();return yn(l.equal(_n(2)),()=>$o(T.x).add($o(T.y)).add($o(T.z))),yn(l.equal(_n(3)),()=>su($o(T.x),$o(T.y),$o(T.z))),uu(T,T)}).setLayout({name:"mx_worley_distance_1",type:"float",inputs:[{name:"p",type:"vec3"},{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xoff",type:"int"},{name:"yoff",type:"int"},{name:"zoff",type:"int"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),BN=gn(([e,t,r])=>{const s=_n(r).toVar(),i=Tn(t).toVar(),n=Sn(e).toVar(),a=_n().toVar(),o=_n().toVar(),u=Sn(rN(n.x,a),rN(n.y,o)).toVar(),l=Tn(1e6).toVar();return Zp({start:-1,end:_n(1),name:"x",condition:"<="},({x:e})=>{Zp({start:-1,end:_n(1),name:"y",condition:"<="},({y:t})=>{const r=Tn(MN(u,e,t,a,o,i,s)).toVar();l.assign(ru(l,r))})}),yn(s.equal(_n(0)),()=>{l.assign(So(l))}),l}).setLayout({name:"mx_worley_noise_float_0",type:"float",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),LN=gn(([e,t,r])=>{const s=_n(r).toVar(),i=Tn(t).toVar(),n=Sn(e).toVar(),a=_n().toVar(),o=_n().toVar(),u=Sn(rN(n.x,a),rN(n.y,o)).toVar(),l=Sn(1e6,1e6).toVar();return Zp({start:-1,end:_n(1),name:"x",condition:"<="},({x:e})=>{Zp({start:-1,end:_n(1),name:"y",condition:"<="},({y:t})=>{const r=Tn(MN(u,e,t,a,o,i,s)).toVar();yn(r.lessThan(l.x),()=>{l.y.assign(l.x),l.x.assign(r)}).ElseIf(r.lessThan(l.y),()=>{l.y.assign(r)})})}),yn(s.equal(_n(0)),()=>{l.assign(So(l))}),l}).setLayout({name:"mx_worley_noise_vec2_0",type:"vec2",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),FN=gn(([e,t,r])=>{const s=_n(r).toVar(),i=Tn(t).toVar(),n=Sn(e).toVar(),a=_n().toVar(),o=_n().toVar(),u=Sn(rN(n.x,a),rN(n.y,o)).toVar(),l=An(1e6,1e6,1e6).toVar();return Zp({start:-1,end:_n(1),name:"x",condition:"<="},({x:e})=>{Zp({start:-1,end:_n(1),name:"y",condition:"<="},({y:t})=>{const r=Tn(MN(u,e,t,a,o,i,s)).toVar();yn(r.lessThan(l.x),()=>{l.z.assign(l.y),l.y.assign(l.x),l.x.assign(r)}).ElseIf(r.lessThan(l.y),()=>{l.z.assign(l.y),l.y.assign(r)}).ElseIf(r.lessThan(l.z),()=>{l.z.assign(r)})})}),yn(s.equal(_n(0)),()=>{l.assign(So(l))}),l}).setLayout({name:"mx_worley_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),PN=dx([BN,gn(([e,t,r])=>{const s=_n(r).toVar(),i=Tn(t).toVar(),n=An(e).toVar(),a=_n().toVar(),o=_n().toVar(),u=_n().toVar(),l=An(rN(n.x,a),rN(n.y,o),rN(n.z,u)).toVar(),d=Tn(1e6).toVar();return Zp({start:-1,end:_n(1),name:"x",condition:"<="},({x:e})=>{Zp({start:-1,end:_n(1),name:"y",condition:"<="},({y:t})=>{Zp({start:-1,end:_n(1),name:"z",condition:"<="},({z:r})=>{const n=Tn(MN(l,e,t,r,a,o,u,i,s)).toVar();d.assign(ru(d,n))})})}),yn(s.equal(_n(0)),()=>{d.assign(So(d))}),d}).setLayout({name:"mx_worley_noise_float_1",type:"float",inputs:[{name:"p",type:"vec3"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),UN=dx([LN,gn(([e,t,r])=>{const s=_n(r).toVar(),i=Tn(t).toVar(),n=An(e).toVar(),a=_n().toVar(),o=_n().toVar(),u=_n().toVar(),l=An(rN(n.x,a),rN(n.y,o),rN(n.z,u)).toVar(),d=Sn(1e6,1e6).toVar();return Zp({start:-1,end:_n(1),name:"x",condition:"<="},({x:e})=>{Zp({start:-1,end:_n(1),name:"y",condition:"<="},({y:t})=>{Zp({start:-1,end:_n(1),name:"z",condition:"<="},({z:r})=>{const n=Tn(MN(l,e,t,r,a,o,u,i,s)).toVar();yn(n.lessThan(d.x),()=>{d.y.assign(d.x),d.x.assign(n)}).ElseIf(n.lessThan(d.y),()=>{d.y.assign(n)})})})}),yn(s.equal(_n(0)),()=>{d.assign(So(d))}),d}).setLayout({name:"mx_worley_noise_vec2_1",type:"vec2",inputs:[{name:"p",type:"vec3"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),DN=dx([FN,gn(([e,t,r])=>{const s=_n(r).toVar(),i=Tn(t).toVar(),n=An(e).toVar(),a=_n().toVar(),o=_n().toVar(),u=_n().toVar(),l=An(rN(n.x,a),rN(n.y,o),rN(n.z,u)).toVar(),d=An(1e6,1e6,1e6).toVar();return Zp({start:-1,end:_n(1),name:"x",condition:"<="},({x:e})=>{Zp({start:-1,end:_n(1),name:"y",condition:"<="},({y:t})=>{Zp({start:-1,end:_n(1),name:"z",condition:"<="},({z:r})=>{const 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yn(c.equal(_n(0)),()=>{N.assign(NN(v))}),yn(c.equal(_n(1)),()=>{N.assign(RN(v))}),yn(c.equal(_n(2)),()=>{N.assign(DN(v,m,_n(0)))}),yn(c.equal(_n(3)),()=>{N.assign(wN(An(v,0),x,T,_))}),N.assign(N.mul(y.sub(f)).add(f)),yn(b,()=>{N.assign(Tu(N,f,y))}),N}).setLayout({name:"mx_unifiednoise2d",type:"float",inputs:[{name:"noiseType",type:"int"},{name:"texcoord",type:"vec2"},{name:"freq",type:"vec2"},{name:"offset",type:"vec2"},{name:"jitter",type:"float"},{name:"outmin",type:"float"},{name:"outmax",type:"float"},{name:"clampoutput",type:"bool"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),ON=gn(([e,t,r,s,i,n,a,o,u,l,d])=>{const c=_n(e).toVar(),h=An(t).toVar(),p=An(r).toVar(),g=An(s).toVar(),m=Tn(i).toVar(),f=Tn(n).toVar(),y=Tn(a).toVar(),b=Nn(o).toVar(),x=_n(u).toVar(),T=Tn(l).toVar(),_=Tn(d).toVar(),v=h.mul(p).add(g),N=Tn(0).toVar();return yn(c.equal(_n(0)),()=>{N.assign(NN(v))}),yn(c.equal(_n(1)),()=>{N.assign(RN(v))}),yn(c.equal(_n(2)),()=>{N.assign(DN(v,m,_n(0)))}),yn(c.equal(_n(3)),()=>{N.assign(wN(v,x,T,_))}),N.assign(N.mul(y.sub(f)).add(f)),yn(b,()=>{N.assign(Tu(N,f,y))}),N}).setLayout({name:"mx_unifiednoise3d",type:"float",inputs:[{name:"noiseType",type:"int"},{name:"position",type:"vec3"},{name:"freq",type:"vec3"},{name:"offset",type:"vec3"},{name:"jitter",type:"float"},{name:"outmin",type:"float"},{name:"outmax",type:"float"},{name:"clampoutput",type:"bool"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),VN=gn(([e])=>{const t=e.y,r=e.z,s=An().toVar();return yn(t.lessThan(1e-4),()=>{s.assign(An(r,r,r))}).Else(()=>{let i=e.x;i=i.sub(Eo(i)).mul(6).toVar();const n=_n(Ko(i)),a=i.sub(Tn(n)),o=r.mul(t.oneMinus()),u=r.mul(t.mul(a).oneMinus()),l=r.mul(t.mul(a.oneMinus()).oneMinus());yn(n.equal(_n(0)),()=>{s.assign(An(r,l,o))}).ElseIf(n.equal(_n(1)),()=>{s.assign(An(u,r,o))}).ElseIf(n.equal(_n(2)),()=>{s.assign(An(o,r,l))}).ElseIf(n.equal(_n(3)),()=>{s.assign(An(o,u,r))}).ElseIf(n.equal(_n(4)),()=>{s.assign(An(l,o,r))}).Else(()=>{s.assign(An(r,o,u))})}),s}).setLayout({name:"mx_hsvtorgb",type:"vec3",inputs:[{name:"hsv",type:"vec3"}]}),kN=gn(([e])=>{const t=An(e).toVar(),r=Tn(t.x).toVar(),s=Tn(t.y).toVar(),i=Tn(t.z).toVar(),n=Tn(ru(r,ru(s,i))).toVar(),a=Tn(su(r,su(s,i))).toVar(),o=Tn(a.sub(n)).toVar(),u=Tn().toVar(),l=Tn().toVar(),d=Tn().toVar();return 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s=this.renderer,i=this.nodes.getBackgroundNode(e)||e.background;let n=!1;if(null===i)s._clearColor.getRGB(XN),XN.a=s._clearColor.a;else if(!0===i.isColor)i.getRGB(XN),XN.a=1,n=!0;else if(!0===i.isNode){const u=this.get(e),l=i;XN.copy(s._clearColor);let d=u.backgroundMesh;if(void 0===d){const h=Ln(l).mul(tT).context({getUV:()=>rT.mul(Mc),getTextureLevel:()=>eT}),p=kd.element(3).element(3).equal(1),g=ka(1,kd.element(1).element(1)).mul(3),m=p.select(fc.mul(g),fc),f=dc.mul(Ln(m,0));let y=kd.mul(Ln(f.xyz,1));y=y.setZ(y.w);const b=new Ig;function x(){i.removeEventListener("dispose",x),d.material.dispose(),d.geometry.dispose()}b.name="Background.material",b.side=F,b.depthTest=!1,b.depthWrite=!1,b.allowOverride=!1,b.fog=!1,b.lights=!1,b.vertexNode=y,b.colorNode=h,u.backgroundMeshNode=h,u.backgroundMesh=d=new oe(new ft(1,32,32),b),d.frustumCulled=!1,d.name="Background.mesh",i.addEventListener("dispose",x)}const c=l.getCacheKey();u.backgroundCacheKey!==c&&(u.backgroundMeshNode.node=Ln(l).mul(tT),u.backgroundMeshNode.needsUpdate=!0,d.material.needsUpdate=!0,u.backgroundCacheKey=c),t.unshift(d,d.geometry,d.material,0,0,null,null)}else o("Renderer: Unsupported background configuration.",i);const a=s.xr.getEnvironmentBlendMode();if("additive"===a?XN.set(0,0,0,1):"alpha-blend"===a&&XN.set(0,0,0,0),!0===s.autoClear||!0===n){const T=r.clearColorValue;T.r=XN.r,T.g=XN.g,T.b=XN.b,T.a=XN.a,!0!==s.backend.isWebGLBackend&&!0!==s.alpha||(T.r*=T.a,T.g*=T.a,T.b*=T.a),r.depthClearValue=s.getClearDepth(),r.stencilClearValue=s.getClearStencil(),r.clearColor=!0===s.autoClearColor,r.clearDepth=!0===s.autoClearDepth,r.clearStencil=!0===s.autoClearStencil}else r.clearColor=!1,r.clearDepth=!1,r.clearStencil=!1}}let QN=0;class KN{constructor(e="",t=[]){this.name=e,this.bindings=t,this.id=QN++}}class ZN{constructor(e,t,r,s,i,n,a,o,u,l,d=[]){this.vertexShader=e,this.fragmentShader=t,this.computeShader=r,this.transforms=d,this.nodeAttributes=s,this.bindings=i,this.updateNodes=n,this.updateBeforeNodes=a,this.updateAfterNodes=o,this.observer=u,this.hardwareClipping=l,this.usedTimes=0}createBindings(){const e=[];for(const t of this.bindings){if(!0!==t.bindings[0].groupNode.shared){const r=new KN(t.name,[]);e.push(r);for(const e of t.bindings)r.bindings.push(e.clone())}else e.push(t)}return e}}class JN{constructor(e,t,r=null){this.isNodeAttribute=!0,this.name=e,this.type=t,this.node=r}}class eS{constructor(e,t,r){this.isNodeUniform=!0,this.name=e,this.type=t,this.node=r}get value(){return this.node.value}set value(e){this.node.value=e}get id(){return this.node.id}get groupNode(){return this.node.groupNode}}class tS{constructor(e,t,r=!1,s=null){this.isNodeVar=!0,this.name=e,this.type=t,this.readOnly=r,this.count=s}}class rS extends tS{constructor(e,t,r=null,s=null){super(e,t),this.needsInterpolation=!1,this.isNodeVarying=!0,this.interpolationType=r,this.interpolationSampling=s}}class sS{constructor(e,t,r=""){this.name=e,this.type=t,this.code=r,Object.defineProperty(this,"isNodeCode",{value:!0})}}let iS=0;class nS{constructor(e=null){this.id=iS++,this.nodesData=new WeakMap,this.parent=e}getData(e){let t=this.nodesData.get(e);return void 0===t&&null!==this.parent&&(t=this.parent.getData(e)),t}setData(e,t){this.nodesData.set(e,t)}}class aS{constructor(e,t){this.name=e,this.members=t,this.output=!1}}class oS{constructor(e,t){this.name=e,this.value=t,this.boundary=0,this.itemSize=0,this.offset=0,this.index=-1}setValue(e){this.value=e}getValue(){return this.value}}class uS extends oS{constructor(e,t=0){super(e,t),this.isNumberUniform=!0,this.boundary=4,this.itemSize=1}}class lS extends oS{constructor(e,r=new t){super(e,r),this.isVector2Uniform=!0,this.boundary=8,this.itemSize=2}}class dS extends oS{constructor(e,t=new r){super(e,t),this.isVector3Uniform=!0,this.boundary=16,this.itemSize=3}}class cS extends oS{constructor(e,t=new s){super(e,t),this.isVector4Uniform=!0,this.boundary=16,this.itemSize=4}}class hS extends oS{constructor(t,r=new e){super(t,r),this.isColorUniform=!0,this.boundary=16,this.itemSize=3}}class pS extends oS{constructor(e,t=new i){super(e,t),this.isMatrix2Uniform=!0,this.boundary=8,this.itemSize=4}}class gS extends oS{constructor(e,t=new n){super(e,t),this.isMatrix3Uniform=!0,this.boundary=48,this.itemSize=12}}class mS extends oS{constructor(e,t=new a){super(e,t),this.isMatrix4Uniform=!0,this.boundary=64,this.itemSize=16}}class fS extends uS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class yS extends lS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class bS extends dS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class xS extends cS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class TS extends hS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class _S extends pS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class vS extends gS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class NS extends mS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}let SS=0;const RS=new WeakMap,ES=new WeakMap,wS=new WeakMap,AS=new Map([[Int8Array,"int"],[Int16Array,"int"],[Int32Array,"int"],[Uint8Array,"uint"],[Uint16Array,"uint"],[Uint32Array,"uint"],[Float32Array,"float"]]),CS=e=>/e/g.test(e)?String(e).replace(/\+/g,""):(e=Number(e))+(e%1?"":".0"),MS=e=>{if(e.writeUsageCount>0)return!0;if(void 0!==e.subBuildsCache)for(const t in e.subBuildsCache)if(MS(e.subBuildsCache[t]))return!0;return!1};class BS{constructor(e,t,r){this.object=e,this.material=e&&e.material||null,this.geometry=e&&e.geometry||null,this.renderer=t,this.parser=r,this.scene=null,this.camera=null,this.nodes=new Set,this.sequentialNodes=new Set,this.updateNodes=[],this.updateBeforeNodes=[],this.updateAfterNodes=[],this.hashNodes={},this.observer=null,this.lightsNode=null,this.environmentNode=null,this.fogNode=null,this.clippingContext=null,this.hardwareClipping=!1,this.vertexShader=null,this.fragmentShader=null,this.computeShader=null,this.flowNodes={vertex:[],fragment:[],compute:[]},this.flowCode={vertex:"",fragment:"",compute:""},this.uniforms={vertex:[],fragment:[],compute:[],index:0},this.structs={vertex:[],fragment:[],compute:[],index:0},this.types={vertex:[],fragment:[],compute:[],index:0},this.bindings={vertex:{},fragment:{},compute:{}},this.bindingsIndexes={},this.bindGroups=null,this.attributes=[],this.bufferAttributes=[],this.varyings=[],this.codes={},this.vars={},this.declarations={},this.flow={code:""},this.chaining=[],this.stack=Mb(),this.stacks=[],this.tab="\t",this.currentFunctionNode=null,this.context={material:this.material},this.cache=new nS,this.globalCache=this.cache,this.flowsData=new WeakMap,this.shaderStage=null,this.buildStage=null,this.subBuildLayers=[],this.activeStacks=[],this.subBuildFn=null,this.fnCall=null,Object.defineProperty(this,"id",{value:SS++})}isFlatShading(){return!0===this.material.flatShading||!1===this.geometry.hasAttribute("normal")}isOpaque(){const e=this.material;return!1===e.transparent&&e.blending===tt&&!1===e.alphaToCoverage}createRenderTarget(e,t,r){return new ne(e,t,r)}createCubeRenderTarget(e,t){return new rm(e,t)}includes(e){return this.nodes.has(e)}getOutputType(e=0){let t="vec4";const r=this.renderer.getRenderTarget();if(null!==r){const s=r.textures[e].type,i=r.textures[e].format;let n="vec";s===R?n="ivec":s===S&&(n="uvec"),t=i===ze||i===We?s===R?"int":s===S?"uint":"float":i===z||i===qe?`${n}2`:i===Xe||i===Ye?`${n}3`:`${n}4`}return t}getOutputStructName(){}_getBindGroup(e,t){const r=t[0].groupNode;let s,i=r.shared;if(i)for(let e=1;e<t.length;e++)r!==t[e].groupNode&&(i=!1);if(i){let r="";for(const e of t)if(e.isNodeUniformsGroup){e.uniforms.sort((e,t)=>e.nodeUniform.node.id-t.nodeUniform.node.id);for(const t of e.uniforms)r+=t.nodeUniform.node.id}else r+=e.nodeUniform.id;const i=this.renderer._currentRenderContext||this.renderer;let n=RS.get(i);void 0===n&&(n=new Map,RS.set(i,n));const a=Gs(r);s=n.get(a),void 0===s&&(s=new KN(e,t),n.set(a,s))}else s=new KN(e,t);return s}getBindGroupArray(e,t){const r=this.bindings[t];let s=r[e];return void 0===s&&(void 0===this.bindingsIndexes[e]&&(this.bindingsIndexes[e]={binding:0,group:Object.keys(this.bindingsIndexes).length}),r[e]=s=[]),s}getBindings(){let e=this.bindGroups;if(null===e){const t={},r=this.bindings;for(const e of li)for(const s in r[e]){const i=r[e][s],n=t[s]||(t[s]=[]);for(const e of i)!1===n.includes(e)&&n.push(e)}e=[];for(const r in t){const s=t[r],i=this._getBindGroup(r,s);e.push(i)}this.bindGroups=e}return e}sortBindingGroups(){const e=this.getBindings();e.sort((e,t)=>e.bindings[0].groupNode.order-t.bindings[0].groupNode.order);for(let t=0;t<e.length;t++){const r=e[t];this.bindingsIndexes[r.name].group=t}}setHashNode(e,t){this.hashNodes[t]=e}addNode(e){!1===this.nodes.has(e)&&(this.nodes.add(e),this.setHashNode(e,e.getHash(this)))}addSequentialNode(e){const t=e.getUpdateBeforeType(),r=e.getUpdateAfterType();t===ii.NONE&&r===ii.NONE||this.sequentialNodes.add(e)}buildUpdateNodes(){for(const e of this.nodes){e.getUpdateType()!==ii.NONE&&this.updateNodes.push(e)}for(const e of this.sequentialNodes){const t=e.getUpdateBeforeType(),r=e.getUpdateAfterType();t!==ii.NONE&&this.updateBeforeNodes.push(e),r!==ii.NONE&&this.updateAfterNodes.push(e)}}get currentNode(){return this.chaining[this.chaining.length-1]}isFilteredTexture(e){return e.magFilter===le||e.magFilter===yt||e.magFilter===bt||e.magFilter===K||e.minFilter===le||e.minFilter===yt||e.minFilter===bt||e.minFilter===K}getUniformBufferLimit(){return this.renderer.backend.capabilities.getUniformBufferLimit()}addChain(e){this.chaining.push(e)}removeChain(e){if(this.chaining.pop()!==e)throw new Error("THREE.NodeBuilder: Invalid node chaining!")}getMethod(e){return e}getTernary(){return null}getNodeFromHash(e){return this.hashNodes[e]}addFlow(e,t){return this.flowNodes[e].push(t),t}setContext(e){this.context=e}getContext(){return this.context}addContext(e){const t=this.getContext();return this.setContext({...this.context,...e}),t}getSharedContext(){const e={...this.context};return delete e.material,delete e.getUV,delete e.getOutput,delete e.getTextureLevel,delete e.getAO,delete e.getShadow,e}setCache(e){this.cache=e}getCache(){return this.cache}getCacheFromNode(e,t=!0){const r=this.getDataFromNode(e);return void 0===r.cache&&(r.cache=new nS(t?this.getCache():null)),r.cache}isAvailable(){return!1}getVertexIndex(){d("Abstract function.")}getInstanceIndex(){d("Abstract function.")}getDrawIndex(){d("Abstract function.")}getFrontFacing(){d("Abstract function.")}getFragCoord(){d("Abstract function.")}isFlipY(){return!1}isContextAssign(){return!0===this.context.assign}increaseUsage(e){const t=this.getDataFromNode(e);return t.usageCount=void 0===t.usageCount?1:t.usageCount+1,this.isContextAssign()?t.writeUsageCount=void 0===t.writeUsageCount?1:t.writeUsageCount+1:t.readUsageCount=void 0===t.readUsageCount?1:t.readUsageCount+1,t.usageCount}hasWriteUsage(e){const t=e.getShared(this),r=(t.isGlobal(this)?this.globalCache:this.cache).getData(t);if(void 0!==r)for(const e in r)if(MS(r[e]))return!0;return!1}generateTexture(){d("Abstract function.")}generateTextureLod(){d("Abstract function.")}generateArrayDeclaration(e,t){return this.getType(e)+"[ "+t+" ]"}generateArray(e,t,r=null){let s=this.generateArrayDeclaration(e,t)+"( ";for(let i=0;i<t;i++){const n=r?r[i]:null;s+=null!==n?n.build(this,e):this.generateConst(e),i<t-1&&(s+=", ")}return s+=" )",s}generateStruct(e,t,r=null){const s=[];for(const e of t){const{name:t,type:i}=e;r&&r[t]&&r[t].isNode?s.push(r[t].build(this,i)):s.push(this.generateConst(i))}return e+"( "+s.join(", ")+" )"}generateConst(i,n=null){if(null===n&&("float"===i||"int"===i||"uint"===i?n=0:"bool"===i?n=!1:"color"===i?n=new e:"vec2"===i||"uvec2"===i||"ivec2"===i?n=new t:"vec3"===i||"uvec3"===i||"ivec3"===i?n=new r:"vec4"!==i&&"uvec4"!==i&&"ivec4"!==i||(n=new s)),"float"===i)return CS(n);if("int"===i)return`${Math.round(n)}`;if("uint"===i)return n>=0?`${Math.round(n)}u`:"0u";if("bool"===i)return n?"true":"false";if("color"===i)return`${this.getType("vec3")}( ${CS(n.r)}, ${CS(n.g)}, ${CS(n.b)} )`;const a=this.getTypeLength(i),o=this.getComponentType(i),u=e=>this.generateConst(o,e);if(2===a)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)} )`;if(3===a)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)}, ${u(n.z)} )`;if(4===a&&"mat2"!==i)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)}, ${u(n.z)}, ${u(n.w)} )`;if(a>=4&&n&&(n.isMatrix2||n.isMatrix3||n.isMatrix4))return`${this.getType(i)}( ${n.elements.map(u).join(", ")} )`;if(a>4)return`${this.getType(i)}()`;throw new Error(`THREE.NodeBuilder: Type '${i}' not found in generate constant attempt.`)}getType(e){return"color"===e?"vec3":e}hasGeometryAttribute(e){return this.geometry&&void 0!==this.geometry.getAttribute(e)}getAttribute(e,t){const r=this.attributes;for(const t of r)if(t.name===e)return t;const s=new JN(e,t);return this.registerDeclaration(s),r.push(s),s}getPropertyName(e){return e.name}isVector(e){return/vec\d/.test(e)}isMatrix(e){return/mat\d/.test(e)}isReference(e){return"void"===e||"property"===e||"sampler"===e||"samplerComparison"===e||"texture"===e||"cubeTexture"===e||"storageTexture"===e||"depthTexture"===e||"texture3D"===e}needsToWorkingColorSpace(){return!1}getComponentTypeFromTexture(e){const t=e.type;return!0===e.isDepthTexture?"float":t===R?"int":t===S?"uint":"float"}getElementType(e){return"mat2"===e?"vec2":"mat3"===e?"vec3":"mat4"===e?"vec4":this.getComponentType(e)}getComponentType(e){if("float"===(e=this.getVectorType(e))||"bool"===e||"int"===e||"uint"===e)return e;const t=/(b|i|u|)(vec|mat)([2-4])/.exec(e);return null===t?null:"b"===t[1]?"bool":"i"===t[1]?"int":"u"===t[1]?"uint":"float"}getVectorType(e){return"color"===e?"vec3":"texture"===e||"cubeTexture"===e||"storageTexture"===e||"texture3D"===e?"vec4":e}getTypeFromLength(e,t="float"){if(1===e)return t;let r=js(e);const s="float"===t?"":t[0];return!0===/mat2/.test(t)&&(r=r.replace("vec","mat")),s+r}getTypeFromArray(e){return AS.get(e.constructor)}isInteger(e){return/int|uint|(i|u)vec/.test(e)}getTypeFromAttribute(e){let t=e;e.isInterleavedBufferAttribute&&(t=e.data);const r=t.array,s=e.itemSize,i=e.normalized;let n;return e instanceof xt||!0===i||(n=this.getTypeFromArray(r)),this.getTypeFromLength(s,n)}getTypeLength(e){const t=this.getVectorType(e),r=/vec([2-4])/.exec(t);return null!==r?Number(r[1]):"float"===t||"bool"===t||"int"===t||"uint"===t?1:!0===/mat2/.test(e)?4:!0===/mat3/.test(e)?9:!0===/mat4/.test(e)?16:0}getVectorFromMatrix(e){return e.replace("mat","vec")}changeComponentType(e,t){return this.getTypeFromLength(this.getTypeLength(e),t)}getIntegerType(e){const t=this.getComponentType(e);return"int"===t||"uint"===t?e:this.changeComponentType(e,"int")}setActiveStack(e){this.activeStacks.push(e)}removeActiveStack(e){if(this.activeStacks[this.activeStacks.length-1]!==e)throw new Error("THREE.NodeBuilder: Invalid active stack removal.");this.activeStacks.pop()}getActiveStack(){return this.activeStacks[this.activeStacks.length-1]}getBaseStack(){return this.activeStacks[0]}addStack(){this.stack=Mb(this.stack);const e=fn();return this.stacks.push(e),mn(this.stack),this.stack}removeStack(){const e=this.stack;for(const t of e.nodes){this.getDataFromNode(t).stack=e}return this.stack=e.parent,mn(this.stacks.pop()),e}getDataFromNode(e,t=this.shaderStage,r=null){let s=(r=null===r?e.isGlobal(this)?this.globalCache:this.cache:r).getData(e);void 0===s&&(s={},r.setData(e,s)),void 0===s[t]&&(s[t]={});let i=s[t];if(0===this.subBuildLayers.length)return i;const n=s.any?s.any.subBuilds:null,a=this.getClosestSubBuild(n);return a&&(void 0===i.subBuildsCache&&(i.subBuildsCache={}),i=i.subBuildsCache[a]||(i.subBuildsCache[a]={}),i.subBuilds=n),i}getNodeProperties(e,t="any"){const r=this.getDataFromNode(e,t);return r.properties||(r.properties={outputNode:null})}getBufferAttributeFromNode(e,t,r=null){const s=this.getDataFromNode(e,"vertex");let i=s.bufferAttribute;if(void 0===i){const n=this.uniforms.index++;null===r&&(r="nodeAttribute"+n),i=new JN(r,t,e),this.bufferAttributes.push(i),s.bufferAttribute=i}return i}getStructTypeNode(e,t=this.shaderStage){return this.types[t][e]||null}getStructTypeFromNode(e,t,r=null,s=this.shaderStage){const i=this.getDataFromNode(e,s,this.globalCache);let n=i.structType;if(void 0===n){const a=this.structs.index++;null===r&&(r="StructType"+a),n=new aS(r,t),this.structs[s].push(n),this.types[s][r]=e,i.structType=n}return n}getOutputStructTypeFromNode(e,t){const r=this.getStructTypeFromNode(e,t,"OutputType","fragment");return r.output=!0,r}getUniformFromNode(e,t,r=this.shaderStage,s=null){const i=this.getDataFromNode(e,r,this.globalCache);let n=i.uniform;if(void 0===n){const a=this.uniforms.index++;n=new eS(s||"nodeUniform"+a,t,e),this.uniforms[r].push(n),this.registerDeclaration(n),i.uniform=n}return n}getVarFromNode(e,t=null,r=e.getNodeType(this),s=this.shaderStage,i=!1){const n=this.getDataFromNode(e,s),a=this.getSubBuildProperty("variable",n.subBuilds);let o=n[a];if(void 0===o){const u=i?"_const":"_var",l=this.vars[s]||(this.vars[s]=[]),d=this.vars[u]||(this.vars[u]=0);null===t&&(t=(i?"nodeConst":"nodeVar")+d,this.vars[u]++),"variable"!==a&&(t=this.getSubBuildProperty(t,n.subBuilds));const c=e.getArrayCount(this);o=new tS(t,r,i,c),i||l.push(o),this.registerDeclaration(o),n[a]=o}return o}isDeterministic(e){if(e.isMathNode)return this.isDeterministic(e.aNode)&&(!e.bNode||this.isDeterministic(e.bNode))&&(!e.cNode||this.isDeterministic(e.cNode));if(e.isOperatorNode)return this.isDeterministic(e.aNode)&&(!e.bNode||this.isDeterministic(e.bNode));if(e.isArrayNode){if(null!==e.values)for(const t of e.values)if(!this.isDeterministic(t))return!1;return!0}return!!e.isConstNode}getVaryingFromNode(e,t=null,r=e.getNodeType(this),s=null,i=null){const n=this.getDataFromNode(e,"any"),a=this.getSubBuildProperty("varying",n.subBuilds);let o=n[a];if(void 0===o){const e=this.varyings,u=e.length;null===t&&(t="nodeVarying"+u),"varying"!==a&&(t=this.getSubBuildProperty(t,n.subBuilds)),o=new rS(t,r,s,i),e.push(o),this.registerDeclaration(o),n[a]=o}return o}registerDeclaration(e){const t=this.shaderStage,r=this.declarations[t]||(this.declarations[t]={}),s=this.getPropertyName(e);let i=1,n=s;for(;void 0!==r[n];)n=s+"_"+i++;i>1&&(e.name=n,d(`TSL: Declaration name '${s}' of '${e.type}' already in use. Renamed to '${n}'.`)),r[n]=e}getCodeFromNode(e,t,r=this.shaderStage){const s=this.getDataFromNode(e);let i=s.code;if(void 0===i){const e=this.codes[r]||(this.codes[r]=[]),n=e.length;i=new sS("nodeCode"+n,t),e.push(i),s.code=i}return i}addFlowCodeHierarchy(e,t){const{flowCodes:r,flowCodeBlock:s}=this.getDataFromNode(e);let i=!0,n=t;for(;n;){if(!0===s.get(n)){i=!1;break}n=this.getDataFromNode(n).parentNodeBlock}if(i)for(const e of r)this.addLineFlowCode(e)}addLineFlowCodeBlock(e,t,r){const s=this.getDataFromNode(e),i=s.flowCodes||(s.flowCodes=[]),n=s.flowCodeBlock||(s.flowCodeBlock=new WeakMap);i.push(t),n.set(r,!0)}addLineFlowCode(e,t=null){return""===e||(null!==t&&this.context.nodeBlock&&this.addLineFlowCodeBlock(t,e,this.context.nodeBlock),e=this.tab+e,/;\s*$/.test(e)||(e+=";\n"),this.flow.code+=e),this}addFlowCode(e){return this.flow.code+=e,this}addFlowTab(){return this.tab+="\t",this}removeFlowTab(){return this.tab=this.tab.slice(0,-1),this}getFlowData(e){return this.flowsData.get(e)}flowNode(e){const t=e.getNodeType(this),r=this.flowChildNode(e,t);return this.flowsData.set(e,r),r}addInclude(e){null!==this.currentFunctionNode&&this.currentFunctionNode.includes.push(e)}buildFunctionNode(e){const t=this.renderer.backend;let r=ES.get(t);void 0===r&&(r=new WeakMap,ES.set(t,r));let s=r.get(e);if(void 0===s){s=new XT;const t=this.currentFunctionNode;this.currentFunctionNode=s,s.code=this.buildFunctionCode(e),this.currentFunctionNode=t,r.set(e,s)}return s}flowShaderNode(e){const t=e.layout,r={[Symbol.iterator](){let e=0;const t=Object.values(this);return{next:()=>({value:t[e],done:e++>=t.length})}}};for(const e of t.inputs)r[e.name]=new Ab(e.type,e.name);e.layout=null;const s=e.call(r),i=this.flowStagesNode(s,t.type);return e.layout=t,i}flowBuildStage(e,t,r=null){const s=this.getBuildStage();this.setBuildStage(t);const i=e.build(this,r);return this.setBuildStage(s),i}flowStagesNode(e,t=null){const r=this.flow,s=this.vars,i=this.declarations,n=this.cache,a=this.buildStage,o=this.stack,u={code:""};this.flow=u,this.vars={},this.declarations={},this.cache=new nS,this.stack=Mb();for(const r of ui)this.setBuildStage(r),u.result=e.build(this,t);return u.vars=this.getVars(this.shaderStage),this.flow=r,this.vars=s,this.declarations=i,this.cache=n,this.stack=o,this.setBuildStage(a),u}getFunctionOperator(){return null}buildFunctionCode(){d("Abstract function.")}flowChildNode(e,t=null){const r=this.flow,s={code:""};return this.flow=s,s.result=e.build(this,t),this.flow=r,s}flowNodeFromShaderStage(e,t,r=null,s=null){const i=this.tab,n=this.cache,a=this.shaderStage,o=this.context;this.setShaderStage(e);const u={...this.context};delete u.nodeBlock,this.cache=this.globalCache,this.tab="\t",this.context=u;let l=null;if("generate"===this.buildStage){const i=this.flowChildNode(t,r);null!==s&&(i.code+=`${this.tab+s} = ${i.result};\n`),this.flowCode[e]=this.flowCode[e]+i.code,l=i}else l=t.build(this);return this.setShaderStage(a),this.cache=n,this.tab=i,this.context=o,l}getAttributesArray(){return this.attributes.concat(this.bufferAttributes)}getAttributes(){d("Abstract function.")}getVaryings(){d("Abstract function.")}getVar(e,t,r=null){return`${null!==r?this.generateArrayDeclaration(e,r):this.getType(e)} ${t}`}getVars(e,t=!1){const r=[],s=this.vars[e];if(void 0!==s)for(const e of s)r.push(`${this.getVar(e.type,e.name,e.count)};`);return r.join(t?"\n":"\n\t")}getUniforms(){d("Abstract function.")}getCodes(e){const t=this.codes[e];let r="";if(void 0!==t)for(const e of t)r+=e.code+"\n";return r}getHash(){return this.vertexShader+this.fragmentShader+this.computeShader}setShaderStage(e){this.shaderStage=e}getShaderStage(){return this.shaderStage}setBuildStage(e){this.buildStage=e}getBuildStage(){return this.buildStage}buildCode(){d("Abstract function.")}get subBuild(){return this.subBuildLayers[this.subBuildLayers.length-1]||null}addSubBuild(e){this.subBuildLayers.push(e)}removeSubBuild(){return this.subBuildLayers.pop()}getClosestSubBuild(e){let t;if(t=e&&e.isNode?e.isShaderCallNodeInternal?e.shaderNode.subBuilds:e.isStackNode?[e.subBuild]:this.getDataFromNode(e,"any").subBuilds:e instanceof Set?[...e]:e,!t)return null;const r=this.subBuildLayers;for(let e=t.length-1;e>=0;e--){const s=t[e];if(r.includes(s))return s}return null}getSubBuildOutput(e){return this.getSubBuildProperty("outputNode",e)}getSubBuildProperty(e="",t=null){let r,s;return r=null!==t?this.getClosestSubBuild(t):this.subBuildFn,s=r?e?r+"_"+e:r:e,s}prebuild(){const{object:e,renderer:t,material:r}=this;if(!0===t.contextNode.isContextNode?this.context={...this.context,...t.contextNode.getFlowContextData()}:o('NodeBuilder: "renderer.contextNode" must be an instance of `context()`.'),r&&r.contextNode&&(!0===r.contextNode.isContextNode?this.context={...this.context,...r.contextNode.getFlowContextData()}:o('NodeBuilder: "material.contextNode" must be an instance of `context()`.')),null!==r){let e=t.library.fromMaterial(r);null===e&&(o(`NodeBuilder: Material "${r.type}" is not compatible.`),e=new Ig),e.build(this)}else this.addFlow("compute",e)}build(){this.prebuild();for(const e of ui){this.setBuildStage(e),this.context.position&&this.context.position.isNode&&this.flowNodeFromShaderStage("vertex",this.context.position);for(const t of li){this.setShaderStage(t);const r=this.flowNodes[t];for(const t of r)"generate"===e?this.flowNode(t):t.build(this)}}return this.setBuildStage(null),this.setShaderStage(null),this.buildCode(),this.buildUpdateNodes(),this}async buildAsync(){this.prebuild();for(const e of ui){this.setBuildStage(e),this.context.position&&this.context.position.isNode&&this.flowNodeFromShaderStage("vertex",this.context.position);for(const t of li){this.setShaderStage(t);const r=this.flowNodes[t];for(const t of r)"generate"===e?this.flowNode(t):t.build(this);await Tt()}}return this.setBuildStage(null),this.setShaderStage(null),this.buildCode(),this.buildUpdateNodes(),this}getSharedDataFromNode(e){let t=wS.get(e);return void 0===t&&(t={}),t}getNodeUniform(e,t){const r=this.getSharedDataFromNode(e);let s=r.cache;if(void 0===s){if("float"===t||"int"===t||"uint"===t)s=new fS(e);else if("vec2"===t||"ivec2"===t||"uvec2"===t)s=new yS(e);else if("vec3"===t||"ivec3"===t||"uvec3"===t)s=new bS(e);else if("vec4"===t||"ivec4"===t||"uvec4"===t)s=new xS(e);else if("color"===t)s=new TS(e);else if("mat2"===t)s=new _S(e);else if("mat3"===t)s=new vS(e);else{if("mat4"!==t)throw new Error(`THREE.NodeBuilder: Uniform "${t}" not implemented.`);s=new NS(e)}r.cache=s}return s}format(e,t,r){if((t=this.getVectorType(t))===(r=this.getVectorType(r))||null===r||this.isReference(r))return e;const s=this.getTypeLength(t),i=this.getTypeLength(r);return 16===s&&9===i?`${this.getType(r)}( ${e}[ 0 ].xyz, ${e}[ 1 ].xyz, ${e}[ 2 ].xyz )`:9===s&&4===i?`${this.getType(r)}( ${e}[ 0 ].xy, ${e}[ 1 ].xy )`:s>4||i>4||0===i?e:s===i?`${this.getType(r)}( ${e} )`:s>i?(e="bool"===r?`all( ${e} )`:`${e}.${"xyz".slice(0,i)}`,this.format(e,this.getTypeFromLength(i,this.getComponentType(t)),r)):4===i&&s>1?`${this.getType(r)}( ${this.format(e,t,"vec3")}, 1.0 )`:2===s?`${this.getType(r)}( ${this.format(e,t,"vec2")}, 0.0 )`:(1===s&&i>1&&t!==this.getComponentType(r)&&(e=`${this.getType(this.getComponentType(r))}( ${e} )`),`${this.getType(r)}( ${e} )`)}getSignature(){return`// Three.js r${_t} - Node System\n`}needsPreviousData(){const e=this.renderer.getMRT();return e&&e.has("velocity")||!0===Js(this.object).useVelocity}}class LS{constructor(){this.time=0,this.deltaTime=0,this.frameId=0,this.renderId=0,this.updateMap=new WeakMap,this.updateBeforeMap=new WeakMap,this.updateAfterMap=new WeakMap,this.renderer=null,this.material=null,this.camera=null,this.object=null,this.scene=null}_getMaps(e,t){let r=e.get(t);return void 0===r&&(r={renderId:0,frameId:0},e.set(t,r)),r}updateBeforeNode(e){const t=e.getUpdateBeforeType(),r=e.updateReference(this);if(t===ii.FRAME){const t=this._getMaps(this.updateBeforeMap,r);if(t.frameId!==this.frameId){const r=t.frameId;t.frameId=this.frameId,!1===e.updateBefore(this)&&(t.frameId=r)}}else if(t===ii.RENDER){const t=this._getMaps(this.updateBeforeMap,r);if(t.renderId!==this.renderId){const r=t.renderId;t.renderId=this.renderId,!1===e.updateBefore(this)&&(t.renderId=r)}}else t===ii.OBJECT&&e.updateBefore(this)}updateAfterNode(e){const t=e.getUpdateAfterType(),r=e.updateReference(this);if(t===ii.FRAME){const t=this._getMaps(this.updateAfterMap,r);t.frameId!==this.frameId&&!1!==e.updateAfter(this)&&(t.frameId=this.frameId)}else if(t===ii.RENDER){const t=this._getMaps(this.updateAfterMap,r);t.renderId!==this.renderId&&!1!==e.updateAfter(this)&&(t.renderId=this.renderId)}else t===ii.OBJECT&&e.updateAfter(this)}updateNode(e){const t=e.getUpdateType(),r=e.updateReference(this);if(t===ii.FRAME){const t=this._getMaps(this.updateMap,r);t.frameId!==this.frameId&&!1!==e.update(this)&&(t.frameId=this.frameId)}else if(t===ii.RENDER){const t=this._getMaps(this.updateMap,r);t.renderId!==this.renderId&&!1!==e.update(this)&&(t.renderId=this.renderId)}else t===ii.OBJECT&&e.update(this)}update(){this.frameId++,void 0===this.lastTime&&(this.lastTime=performance.now()),this.deltaTime=(performance.now()-this.lastTime)/1e3,this.lastTime=performance.now(),this.time+=this.deltaTime}}class FS{constructor(e,t,r=null,s="",i=!1){this.type=e,this.name=t,this.count=r,this.qualifier=s,this.isConst=i}}FS.isNodeFunctionInput=!0;class PS extends qv{static get type(){return"AmbientLightNode"}constructor(e=null){super(e)}setup({context:e}){e.irradiance.addAssign(this.colorNode)}}class US extends qv{static get type(){return"DirectionalLightNode"}constructor(e=null){super(e)}setupDirect(){const e=this.colorNode;return{lightDirection:Z_(this.light),lightColor:e}}}class DS extends qv{static get type(){return"HemisphereLightNode"}constructor(t=null){super(t),this.lightPositionNode=Y_(t),this.lightDirectionNode=this.lightPositionNode.normalize(),this.groundColorNode=Aa(new e).setGroup(Ra)}update(e){const{light:t}=this;super.update(e),this.lightPositionNode.object3d=t,this.groundColorNode.value.copy(t.groundColor).multiplyScalar(t.intensity)}setup(e){const{colorNode:t,groundColorNode:r,lightDirectionNode:s}=this,i=Lc.dot(s).mul(.5).add(.5),n=xu(r,t,i);e.context.irradiance.addAssign(n)}}class IS extends qv{static get type(){return"SpotLightNode"}constructor(e=null){super(e),this.coneCosNode=Aa(0).setGroup(Ra),this.penumbraCosNode=Aa(0).setGroup(Ra),this.cutoffDistanceNode=Aa(0).setGroup(Ra),this.decayExponentNode=Aa(0).setGroup(Ra),this.colorNode=Aa(this.color).setGroup(Ra)}update(e){super.update(e);const{light:t}=this;this.coneCosNode.value=Math.cos(t.angle),this.penumbraCosNode.value=Math.cos(t.angle*(1-t.penumbra)),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}getSpotAttenuation(e,t){const{coneCosNode:r,penumbraCosNode:s}=this;return Nu(r,s,t)}getLightCoord(e){const t=e.getNodeProperties(this);let r=t.projectionUV;return void 0===r&&(r=X_(this.light,e.context.positionWorld),t.projectionUV=r),r}setupDirect(e){const{colorNode:t,cutoffDistanceNode:r,decayExponentNode:s,light:i}=this,n=this.getLightVector(e),a=n.normalize(),o=a.dot(Z_(i)),u=this.getSpotAttenuation(e,o),l=n.length(),d=Xv({lightDistance:l,cutoffDistance:r,decayExponent:s});let c,h,p=t.mul(u).mul(d);if(i.colorNode?(h=this.getLightCoord(e),c=i.colorNode(h)):i.map&&(h=this.getLightCoord(e),c=rd(i.map,h.xy).onRenderUpdate(()=>i.map)),c){p=h.mul(2).sub(1).abs().lessThan(1).all().select(p.mul(c),p)}return{lightColor:p,lightDirection:a}}}class OS extends IS{static get type(){return"IESSpotLightNode"}constructor(e=null){super(e),this._iesTextureNode=null}getSpotAttenuation(e,t){const r=this.light.iesMap;let s=null;if(r&&!0===r.isTexture){const e=t.acos().mul(1/Math.PI);this._iesTextureNode=rd(r,Sn(e,0),0),s=this._iesTextureNode.r}else s=super.getSpotAttenuation(e,t);return s}update(e){super.update(e),null!==this._iesTextureNode&&this.light.iesMap&&(this._iesTextureNode.value=this.light.iesMap)}}class VS extends qv{static get type(){return"LightProbeNode"}constructor(e=null){super(e);const t=[];for(let e=0;e<9;e++)t.push(new r);this.lightProbe=ud(t)}update(e){const{light:t}=this;super.update(e);for(let e=0;e<9;e++)this.lightProbe.array[e].copy(t.sh.coefficients[e]).multiplyScalar(t.intensity)}setup(e){const t=jN(Lc,this.lightProbe);e.context.irradiance.addAssign(t)}}const kS=gn(([e,t])=>{const r=e.abs().sub(t);return Wo(su(r,0)).add(ru(su(r.x,r.y),0))});class GS extends IS{static get type(){return"ProjectorLightNode"}update(e){super.update(e);const t=this.light;if(this.penumbraCosNode.value=Math.min(Math.cos(t.angle*(1-t.penumbra)),.99999),null===t.aspect){let e=1;null!==t.map&&(e=t.map.width/t.map.height),t.shadow.aspect=e}else t.shadow.aspect=t.aspect}getSpotAttenuation(e){const t=Tn(0),r=this.penumbraCosNode,s=q_(this.light).mul(e.context.positionWorld||bc);return yn(s.w.greaterThan(0),()=>{const e=s.xyz.div(s.w),i=kS(e.xy.sub(Sn(.5)),Sn(.5)),n=ka(-1,Oa(1,Oo(r)).sub(1));t.assign(_u(i.mul(-2).mul(n)))}),t}}const $S=new a,zS=new a;let WS=null;class HS extends qv{static get type(){return"RectAreaLightNode"}constructor(e=null){super(e),this.halfHeight=Aa(new r).setGroup(Ra),this.halfWidth=Aa(new r).setGroup(Ra),this.updateType=ii.RENDER}update(e){super.update(e);const{light:t}=this,r=e.camera.matrixWorldInverse;zS.identity(),$S.copy(t.matrixWorld),$S.premultiply(r),zS.extractRotation($S),this.halfWidth.value.set(.5*t.width,0,0),this.halfHeight.value.set(0,.5*t.height,0),this.halfWidth.value.applyMatrix4(zS),this.halfHeight.value.applyMatrix4(zS)}setupDirectRectArea(e){let t,r;e.isAvailable("float32Filterable")?(t=rd(WS.LTC_FLOAT_1),r=rd(WS.LTC_FLOAT_2)):(t=rd(WS.LTC_HALF_1),r=rd(WS.LTC_HALF_2));const{colorNode:s,light:i}=this;return{lightColor:s,lightPosition:K_(i),halfWidth:this.halfWidth,halfHeight:this.halfHeight,ltc_1:t,ltc_2:r}}static setLTC(e){WS=e}}class jS{parseFunction(){d("Abstract function.")}}class qS{constructor(e,t,r="",s=""){this.type=e,this.inputs=t,this.name=r,this.precision=s}getCode(){d("Abstract function.")}}qS.isNodeFunction=!0;const XS=/^\s*(highp|mediump|lowp)?\s*([a-z_0-9]+)\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)/i,YS=/[a-z_0-9]+/gi,QS="#pragma main";class KS extends qS{constructor(e){const{type:t,inputs:r,name:s,precision:i,inputsCode:n,blockCode:a,headerCode:o}=(e=>{const t=(e=e.trim()).indexOf(QS),r=-1!==t?e.slice(t+12):e,s=r.match(XS);if(null!==s&&5===s.length){const i=s[4],n=[];let a=null;for(;null!==(a=YS.exec(i));)n.push(a);const o=[];let u=0;for(;u<n.length;){const e="const"===n[u][0];!0===e&&u++;let t=n[u][0];"in"===t||"out"===t||"inout"===t?u++:t="";const r=n[u++][0];let s=Number.parseInt(n[u][0]);!1===Number.isNaN(s)?u++:s=null;const i=n[u++][0];o.push(new FS(r,i,s,t,e))}const l=r.substring(s[0].length),d=void 0!==s[3]?s[3]:"";return{type:s[2],inputs:o,name:d,precision:void 0!==s[1]?s[1]:"",inputsCode:i,blockCode:l,headerCode:-1!==t?e.slice(0,t):""}}throw new Error("THREE.FunctionNode: Function is not a GLSL code.")})(e);super(t,r,s,i),this.inputsCode=n,this.blockCode=a,this.headerCode=o}getCode(e=this.name){let t;const r=this.blockCode;if(""!==r){const{type:s,inputsCode:i,headerCode:n,precision:a}=this;let o=`${s} ${e} ( ${i.trim()} )`;""!==a&&(o=`${a} ${o}`),t=n+o+r}else t="";return t}}class ZS extends jS{parseFunction(e){return new KS(e)}}const JS=[],eR=[],tR=Aa(0,"int").setGroup(Ra);class rR extends Yy{constructor(e,t){super(),this.renderer=e,this.backend=t,this.nodeFrame=new LS,this.nodeBuilderCache=new Map,this.callHashCache=new Wy,this.groupsData=new Wy,this._buildQueue=[],this._buildInProgress=!1,this.cacheLib={}}updateGroup(e){const t=e.groupNode;JS[0]=t,JS[1]=e;let r=this.groupsData.get(JS);return void 0===r&&this.groupsData.set(JS,r={}),JS[0]=null,JS[1]=null,r.version!==t.version&&(r.version=t.version,!0)}getForRenderCacheKey(e){return e.initialCacheKey}_createNodeBuilder(e,t){const r=this.backend.createNodeBuilder(e.object,this.renderer);return r.scene=e.scene,r.material=t,r.camera=e.camera,r.context.material=t,r.lightsNode=e.lightsNode,r.environmentNode=this.getEnvironmentNode(e.scene),r.fogNode=this.getFogNode(e.scene),r.clippingContext=e.clippingContext,this.renderer.getOutputRenderTarget()&&this.renderer.getOutputRenderTarget().multiview&&r.enableMultiview(),r}getForRender(e,t=!1){const r=this.get(e);let s=r.nodeBuilderState;if(void 0===s){const{nodeBuilderCache:i}=this,n=this.getForRenderCacheKey(e);if(s=i.get(n),void 0===s){if(t)return(async()=>{let r=this._createNodeBuilder(e,e.material);try{t?await r.buildAsync():r.build()}catch(s){r=this._createNodeBuilder(e,new Ig),t?await r.buildAsync():r.build(),o("TSL: "+s)}return r})().then(e=>(s=this._createNodeBuilderState(e),i.set(n,s),s.usedTimes++,r.nodeBuilderState=s,s));{let t=this._createNodeBuilder(e,e.material);try{t.build()}catch(r){t=this._createNodeBuilder(e,new Ig),t.build();let s=r.stackTrace;!s&&r.stack&&(s=new Vs(r.stack)),o("TSL: "+r,s)}s=this._createNodeBuilderState(t),i.set(n,s)}}s.usedTimes++,r.nodeBuilderState=s}return s}getForRenderAsync(e){const t=this.getForRender(e,!0);return t.then?t:Promise.resolve(t)}getForRenderDeferred(e){const t=this.get(e);if(void 0!==t.nodeBuilderState)return t.nodeBuilderState;const r=this.getForRenderCacheKey(e),s=this.nodeBuilderCache.get(r);return void 0!==s?(s.usedTimes++,t.nodeBuilderState=s,s):(!0!==t.pendingBuild&&(t.pendingBuild=!0,this._buildQueue.push(()=>this.getForRenderAsync(e).then(()=>{t.pendingBuild=!1})),this._processBuildQueue()),null)}_processBuildQueue(){if(this._buildInProgress||0===this._buildQueue.length)return;this._buildInProgress=!0;this._buildQueue.shift()().then(()=>{this._buildInProgress=!1,this._processBuildQueue()})}delete(e){if(e.isRenderObject){const t=this.get(e).nodeBuilderState;void 0!==t&&(t.usedTimes--,0===t.usedTimes&&this.nodeBuilderCache.delete(this.getForRenderCacheKey(e)))}return super.delete(e)}getForCompute(e){const t=this.get(e);let r=t.nodeBuilderState;if(void 0===r||t.version!==e.version){const s=this.backend.createNodeBuilder(e,this.renderer);s.build(),r=this._createNodeBuilderState(s),t.nodeBuilderState=r,t.version=e.version}return r}_createNodeBuilderState(e){return new ZN(e.vertexShader,e.fragmentShader,e.computeShader,e.getAttributesArray(),e.getBindings(),e.updateNodes,e.updateBeforeNodes,e.updateAfterNodes,e.observer,e.hardwareClipping,e.transforms)}getEnvironmentNode(e){if(!1===this.renderer.lighting.enabled)return null;this.updateEnvironment(e);let t=null;if(e.environmentNode&&e.environmentNode.isNode)t=e.environmentNode;else{const r=this.get(e);r.environmentNode&&(t=r.environmentNode)}return t}getBackgroundNode(e){this.updateBackground(e);let t=null;if(e.backgroundNode&&e.backgroundNode.isNode)t=e.backgroundNode;else{const r=this.get(e);r.backgroundNode&&(t=r.backgroundNode)}return t}getFogNode(e){return this.updateFog(e),e.fogNode||this.get(e).fogNode||null}getCacheKey(e,t){JS[0]=e,JS[1]=t;const r=this.renderer.info.calls,s=this.callHashCache.get(JS)||{};if(s.callId!==r){if(eR.push(this.renderer.getOutputRenderTarget()&&this.renderer.getOutputRenderTarget().multiview?1:0),eR.push(this.renderer.lighting.enabled?1:0),this.renderer.lighting.enabled){eR.push(t.getCacheKey(!0)),eR.push(this.renderer.shadowMap.enabled?1:0),eR.push(this.renderer.shadowMap.type);const r=this.getEnvironmentNode(e);r&&eR.push(r.getCacheKey())}const i=this.getFogNode(e);i&&eR.push(i.getCacheKey()),s.callId=r,s.cacheKey=$s(eR),this.callHashCache.set(JS,s),eR.length=0}return JS[0]=null,JS[1]=null,s.cacheKey}get isToneMappingState(){return!this.renderer.getRenderTarget()}updateBackground(e){const t=this.get(e),r=e.background;if(r){const s=0===e.backgroundBlurriness&&t.backgroundBlurriness>0||e.backgroundBlurriness>0&&0===t.backgroundBlurriness;if(t.background!==r||s){const i=this.getCacheNode("background",r,()=>{if(!0===r.isCubeTexture||r.mapping===ce||r.mapping===he||r.mapping===we){if(e.backgroundBlurriness>0||r.mapping===we)return ly(r);{let e;return e=!0===r.isCubeTexture?Qc(r):rd(r),om(e)}}if(!0===r.isTexture)return rd(r,md.flipY()).setUpdateMatrix(!0);!0!==r.isColor&&o("WebGPUNodes: Unsupported background configuration.",r)},s);t.backgroundNode=i,t.background=r,t.backgroundBlurriness=e.backgroundBlurriness}}else t.backgroundNode&&(delete t.backgroundNode,delete t.background)}getCacheNode(e,t,r,s=!1){const i=this.cacheLib[e]||(this.cacheLib[e]=new WeakMap);let n=i.get(t);return(void 0===n||s)&&(n=r(),i.set(t,n)),n}updateFog(e){const t=this.get(e),r=e.fog;if(r){if(t.fog!==r){const e=this.getCacheNode("fog",r,()=>{if(r.isFogExp2){const e=Jc("color","color",r).setGroup(Ra),t=Jc("density","float",r).setGroup(Ra);return e_(e,ZT(t))}if(r.isFog){const e=Jc("color","color",r).setGroup(Ra),t=Jc("near","float",r).setGroup(Ra),s=Jc("far","float",r).setGroup(Ra);return e_(e,KT(t,s))}o("Renderer: Unsupported fog configuration.",r)});t.fogNode=e,t.fog=r}}else delete t.fogNode,delete t.fog}updateEnvironment(e){const t=this.get(e),r=e.environment;if(r){if(t.environment!==r){const e=this.getCacheNode("environment",r,()=>!0===r.isCubeTexture?Qc(r):!0===r.isTexture?rd(r):void o("Nodes: Unsupported environment configuration.",r));t.environmentNode=e,t.environment=r}}else t.environmentNode&&(delete t.environmentNode,delete t.environment)}getNodeFrame(e=this.renderer,t=null,r=null,s=null,i=null){const n=this.nodeFrame;return n.renderer=e,n.scene=t,n.object=r,n.camera=s,n.material=i,n}getNodeFrameForRender(e){return this.getNodeFrame(e.renderer,e.scene,e.object,e.camera,e.material)}getOutputCacheKey(){const e=this.renderer;return e.toneMapping+","+e.currentColorSpace+","+e.xr.isPresenting}getOutputNode(e){const t=this.renderer;let r;return r=e.isArrayTexture?this.backend.isWebGLBackend?rd(e,md).depth(dd("gl_ViewID_OVR")).renderOutput(t.toneMapping,t.currentColorSpace):rd(e,md).depth(tR).renderOutput(t.toneMapping,t.currentColorSpace):rd(e,md).renderOutput(t.toneMapping,t.currentColorSpace),r}setOutputLayerIndex(e){tR.value=e}updateBefore(e){const t=e.getNodeBuilderState();for(const r of t.updateBeforeNodes)this.getNodeFrameForRender(e).updateBeforeNode(r)}updateAfter(e){const t=e.getNodeBuilderState();for(const r of t.updateAfterNodes)this.getNodeFrameForRender(e).updateAfterNode(r)}updateForCompute(e){const t=this.getNodeFrame(),r=this.getForCompute(e);for(const e of r.updateNodes)t.updateNode(e)}updateForRender(e){const t=this.getNodeFrameForRender(e),r=e.getNodeBuilderState();for(const e of r.updateNodes)t.updateNode(e)}needsRefresh(e){const t=this.getNodeFrameForRender(e);return e.getMonitor().needsRefresh(e,t)}dispose(){super.dispose(),this.nodeFrame=new LS,this.nodeBuilderCache=new Map,this.cacheLib={}}}const sR=new ut;class iR{constructor(e=null){this.version=0,this.clipIntersection=null,this.cacheKey="",this.shadowPass=!1,this.viewMatrix=new a,this.viewNormalMatrix=new n,this.clippingGroupContexts=new WeakMap,this.intersectionPlanes=[],this.unionPlanes=[],this.parentVersion=null,null!==e&&(this.viewMatrix=e.viewMatrix,this.viewNormalMatrix=e.viewNormalMatrix,this.clippingGroupContexts=e.clippingGroupContexts,this.shadowPass=e.shadowPass)}projectPlanes(e,t,r){const s=e.length;for(let i=0;i<s;i++){sR.copy(e[i]).applyMatrix4(this.viewMatrix,this.viewNormalMatrix);const s=t[r+i],n=sR.normal;s.x=-n.x,s.y=-n.y,s.z=-n.z,s.w=sR.constant}}updateGlobal(e,t){this.shadowPass=null!==e.overrideMaterial&&e.overrideMaterial.isShadowPassMaterial,this.viewMatrix.copy(t.matrixWorldInverse),this.viewNormalMatrix.getNormalMatrix(this.viewMatrix)}update(e,t){let r=!1;e.version!==this.parentVersion&&(this.intersectionPlanes=Array.from(e.intersectionPlanes),this.unionPlanes=Array.from(e.unionPlanes),this.parentVersion=e.version),this.clipIntersection!==t.clipIntersection&&(this.clipIntersection=t.clipIntersection,this.clipIntersection?this.unionPlanes.length=e.unionPlanes.length:this.intersectionPlanes.length=e.intersectionPlanes.length);const i=t.clippingPlanes,n=i.length;let a,o;if(this.clipIntersection?(a=this.intersectionPlanes,o=e.intersectionPlanes.length):(a=this.unionPlanes,o=e.unionPlanes.length),a.length!==o+n){a.length=o+n;for(let e=0;e<n;e++)a[o+e]=new s;r=!0}this.projectPlanes(i,a,o),r&&(this.version++,this.cacheKey=`${this.intersectionPlanes.length}:${this.unionPlanes.length}`)}getGroupContext(e){if(this.shadowPass&&!e.clipShadows)return this;let t=this.clippingGroupContexts.get(e);return void 0===t&&(t=new iR(this),this.clippingGroupContexts.set(e,t)),t.update(this,e),t}get unionClippingCount(){return this.unionPlanes.length}}class nR{constructor(e,t,r){this.bundleGroup=e,this.camera=t,this.renderContext=r}}const aR=[];class oR{constructor(){this.bundles=new Wy}get(e,t,r){const s=this.bundles;aR[0]=e,aR[1]=t,aR[2]=r;let i=s.get(aR);return void 0===i&&(i=new nR(e,t,r),s.set(aR,i)),aR[0]=null,aR[1]=null,aR[2]=null,i}dispose(){this.bundles=new Wy}}class uR{constructor(){this.lightNodes=new WeakMap,this.materialNodes=new Map,this.toneMappingNodes=new Map}fromMaterial(e){if(e.isNodeMaterial)return e;let t=null;const r=this.getMaterialNodeClass(e.type);if(null!==r){t=new r;for(const r in e)t[r]=e[r]}return t}addToneMapping(e,t){this.addType(e,t,this.toneMappingNodes)}getToneMappingFunction(e){return this.toneMappingNodes.get(e)||null}getMaterialNodeClass(e){return this.materialNodes.get(e)||null}addMaterial(e,t){this.addType(e,t,this.materialNodes)}getLightNodeClass(e){return this.lightNodes.get(e)||null}addLight(e,t){this.addClass(e,t,this.lightNodes)}addType(e,t,r){if(r.has(t))d(`Redefinition of node ${t}`);else{if("function"!=typeof e)throw new Error(`THREE.NodeLibrary: Node class ${e.name} is not a class.`);if("function"==typeof t||"object"==typeof t)throw new Error(`THREE.NodeLibrary: Base class ${t} is not a class.`);r.set(t,e)}}addClass(e,t,r){if(r.has(t))d(`Redefinition of node ${t.name}`);else{if("function"!=typeof e)throw new Error(`THREE.NodeLibrary: Node class ${e.name} is not a class.`);if("function"!=typeof t)throw new Error(`THREE.NodeLibrary: Base class ${t.name} is not a class.`);r.set(t,e)}}}const lR=new nv,dR=new WeakMap;class cR{constructor(){this.enabled=!0,this._cache=[]}createNode(e=[]){return(new nv).setLights(e)}getNode(e){if(!0!==e.isScene&&!0!==e.isGroup)return lR;let t=dR.get(e);return void 0===t&&(t=this.createNode(),dR.set(e,t)),t}beginRender(e){this._cache.push(this.getNode(e).getLights())}finishRender(e){this.getNode(e).setLights(this._cache.pop())}}class hR extends ne{constructor(e=1,t=1,r={}){super(e,t,r),this.isXRRenderTarget=!0,this._hasExternalTextures=!1,this._autoAllocateDepthBuffer=!0,this._isOpaqueFramebuffer=!1}copy(e){return super.copy(e),this._hasExternalTextures=e._hasExternalTextures,this._autoAllocateDepthBuffer=e._autoAllocateDepthBuffer,this._isOpaqueFramebuffer=e._isOpaqueFramebuffer,this}}const pR=new r,gR=new r,mR=new WeakMap;class fR extends u{constructor(e,r=!1){super(),this.enabled=!1,this.isPresenting=!1,this.cameraAutoUpdate=!0,this._renderer=e,this._cameraL=new Se,this._cameraL.viewport=new s,this._cameraL.matrixWorldAutoUpdate=!1,this._cameraR=new Se,this._cameraR.viewport=new s,this._cameraR.matrixWorldAutoUpdate=!1,this._cameras=[this._cameraL,this._cameraR],this._cameraXR=new vt,this._currentDepthNear=null,this._currentDepthFar=null,this._controllers=[],this._controllerInputSources=[],this._xrRenderTarget=null,this._layers=[],this._sessionUsesLayers=!1,this._supportsGlBinding="undefined"!=typeof XRWebGLBinding,this._supportsWebGPUBinding=void 0!==globalThis.XRGPUBinding,this._createXRLayer=_R.bind(this),this._gl=null,this._currentAnimationContext=null,this._currentAnimationLoop=null,this._currentPixelRatio=null,this._currentSamples=null,this._currentSize=new t,this._onSessionEvent=bR.bind(this),this._onSessionEnd=xR.bind(this),this._onInputSourcesChange=TR.bind(this),this._onAnimationFrame=vR.bind(this),this._referenceSpace=null,this._referenceSpaceType="local-floor",this._customReferenceSpace=null,this._framebufferScaleFactor=1,this._foveation=1,this._session=null,this._glBaseLayer=null,this._glBinding=null,this._webgpuBinding=null,this._glProjLayer=null,this._xrFrame=null,this._supportsLayers=this._supportsGlBinding&&"createProjectionLayer"in XRWebGLBinding.prototype,this._useMultiviewIfPossible=r,this._useMultiview=!1}getController(e){return this._getController(e).getTargetRaySpace()}getControllerGrip(e){return this._getController(e).getGripSpace()}getHand(e){return this._getController(e).getHandSpace()}getFoveation(){return this._foveation}setFoveation(e){this._foveation=e,null!==this._glProjLayer&&(this._glProjLayer.fixedFoveation=e),null!==this._glBaseLayer&&void 0!==this._glBaseLayer.fixedFoveation&&(this._glBaseLayer.fixedFoveation=e)}getFramebufferScaleFactor(){return this._framebufferScaleFactor}setFramebufferScaleFactor(e){this._framebufferScaleFactor=e,!0===this.isPresenting&&d("XRManager: Cannot change framebuffer scale while presenting.")}getReferenceSpaceType(){return this._referenceSpaceType}setReferenceSpaceType(e){this._referenceSpaceType=e,!0===this.isPresenting&&d("XRManager: Cannot change reference space type while presenting.")}getReferenceSpace(){return this._customReferenceSpace||this._referenceSpace}setReferenceSpace(e){this._customReferenceSpace=e}getCamera(){return this._cameraXR}getEnvironmentBlendMode(){if(null!==this._session)return this._session.environmentBlendMode}getBaseLayer(){return null!==this._glProjLayer?this._glProjLayer:this._glBaseLayer}getBinding(){return null===this._glBinding&&this._supportsGlBinding&&(this._glBinding=new XRWebGLBinding(this._session,this._gl)),this._glBinding}foveateBoundTexture(e){if(!0!==e.isPostProcessingRenderTarget)return;if(!0!==this.isPresenting)return;if(null===this._glProjLayer)return;const t=this._renderer.backend;if(void 0===t||!0!==t.isWebGLBackend)return;if(null===t.state)return;const r=this._renderer.getOutputRenderTarget();if(null===r||!0!==r.isXRRenderTarget)return;const s=this.getBinding();if(null===s||"function"!=typeof s.foveateBoundTexture)return;this._renderer._textures.updateRenderTarget(e);const{textureGPU:i,glTextureType:n}=t.get(e.texture);if(void 0!==i&&void 0!==n&&e._xrFoveationTextureGPU!==i){e._xrFoveationTextureGPU=i,t.state.bindTexture(n,i);try{s.foveateBoundTexture(n,this.getFoveation())}catch(e){v(`XRManager: Unable to foveate bound XR post-processing texture. ${e.name}: ${e.message}`)}finally{t.state.unbindTexture()}}}getWebGPUBinding(){return null===this._webgpuBinding&&this._supportsWebGPUBinding&&(this._webgpuBinding=new globalThis.XRGPUBinding(this._session,this._renderer.backend.device)),this._webgpuBinding}_isWebGPUSession(){return!0===this._renderer.backend.isWebGPUBackend&&null!==this._session&&this._session.enabledFeatures.includes("webgpu")}_validateWebGPUSession(){const e=this._renderer;if(!0===e.backend.isWebGPUBackend){if(!1===this._session.enabledFeatures.includes("webgpu"))throw new Error('THREE.XRManager: WebGPU XR sessions require the "webgpu" session feature. Use VRButtonGPU/XRButton with "webgpu" enabled or use a WebGL backend.');e.samples>0&&(v("THREE.XRManager: WebGPU XR does not support MSAA yet. Disabling MSAA for this XR session."),null===this._currentSamples&&(this._currentSamples=e.samples),e._samples=0)}}async _initWebGPUSession(e){const t=this.getWebGPUBinding(),r=t.createProjectionLayer({colorFormat:t.getPreferredColorFormat(),depthStencilFormat:"depth24plus"});this._glProjLayer=r,e.updateRenderState({layers:[r]}),this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType()),this._xrRenderTarget=new ne(r.textureWidth,r.textureHeight,{depth:2,minFilter:le,magFilter:le,depthBuffer:!0,multiview:!1,useArrayDepthTexture:!0,samples:0}),this._xrRenderTarget.texture.isArrayTexture=!0,!0===this._useMultiviewIfPossible&&v("THREE.XRManager: WebGPU XR does not support multiview yet. Disabling multiview for this XR session."),this._useMultiview=!1}_disposeWebGPUSession(){const e=this._renderer,t=this._xrRenderTarget;if(null===t||!0!==e.backend.isWebGPUBackend)return;const r=e.backend,s=e._textures,i=r.get?r.get(t):null;i&&(i.descriptors=void 0);const n=e=>{null!=e&&(r.delete&&r.delete(e),s.delete&&s.delete(e))};for(let e=0;e<t.textures.length;e++)n(t.textures[e]);n(t.depthTexture),n(t),e._renderContexts&&e._renderContexts.dispose&&e._renderContexts.dispose(),t.dispose()}_getWebGPUViewData(e){const t=this.getWebGPUBinding(),r={colorTexture:null,viewDescriptors:[],viewports:[]};for(let s=0;s<e.length;s++){const i=t.getViewSubImage(this._glProjLayer,e[s]);null===r.colorTexture&&(r.colorTexture=i.colorTexture),r.viewports.push(i.viewport),i.getViewDescriptor&&r.viewDescriptors.push(i.getViewDescriptor())}return r}getFrame(){return this._xrFrame}useMultiview(){return this._useMultiview}createQuadLayer(e,t,r,s,i,n,a,o={}){const u=new Nt(e,t),l=new hR(i,n,{format:Ee,type:Ve,depthTexture:new Z(i,n,o.stencil?Ze:S,void 0,void 0,void 0,void 0,void 0,void 0,o.stencil?je:He),stencilBuffer:o.stencil,resolveDepthBuffer:!1,resolveStencilBuffer:!1});l._autoAllocateDepthBuffer=!0;const d=new fe({color:16777215,side:St});d.map=l.texture,d.map.offset.y=1,d.map.repeat.y=-1;const c=new oe(u,d);c.position.copy(r),c.quaternion.copy(s);const h={type:"quad",width:e,height:t,translation:r,quaternion:s,pixelwidth:i,pixelheight:n,plane:c,material:d,rendercall:a,renderTarget:l};if(this._layers.push(h),null!==this._session){h.plane.material=new fe({color:16777215,side:St}),h.plane.material.blending=Rt,h.plane.material.blendEquation=it,h.plane.material.blendSrc=Et,h.plane.material.blendDst=Et,h.xrlayer=this._createXRLayer(h);const e=this._session.renderState.layers;e.unshift(h.xrlayer),this._session.updateRenderState({layers:e})}else l.isXRRenderTarget=!1;return c}createCylinderLayer(e,t,r,s,i,n,a,o,u={}){const l=new wt(e,e,e*t/r,64,64,!0,Math.PI-t/2,t),d=new hR(n,a,{format:Ee,type:Ve,depthTexture:new Z(n,a,u.stencil?Ze:S,void 0,void 0,void 0,void 0,void 0,void 0,u.stencil?je:He),stencilBuffer:u.stencil,resolveDepthBuffer:!1,resolveStencilBuffer:!1});d._autoAllocateDepthBuffer=!0;const c=new fe({color:16777215,side:F});c.map=d.texture,c.map.offset.y=1,c.map.repeat.y=-1;const h=new oe(l,c);h.position.copy(s),h.quaternion.copy(i);const p={type:"cylinder",radius:e,centralAngle:t,aspectratio:r,translation:s,quaternion:i,pixelwidth:n,pixelheight:a,plane:h,material:c,rendercall:o,renderTarget:d};if(this._layers.push(p),null!==this._session){p.plane.material=new fe({color:16777215,side:F}),p.plane.material.blending=Rt,p.plane.material.blendEquation=it,p.plane.material.blendSrc=Et,p.plane.material.blendDst=Et,p.xrlayer=this._createXRLayer(p);const e=this._session.renderState.layers;e.unshift(p.xrlayer),this._session.updateRenderState({layers:e})}else d.isXRRenderTarget=!1;return h}renderLayers(){const e=new r,s=new At,i=this._renderer,n=this.isPresenting;this.isPresenting=!1;const a=new t;i.getSize(a);const o=i.getRenderTarget();for(const t of this._layers){t.renderTarget.isXRRenderTarget=null!==this._session,t.renderTarget._hasExternalTextures=t.renderTarget.isXRRenderTarget;const r=i.contextNode;let n;if(t.renderTarget.isXRRenderTarget&&this._sessionUsesLayers){t.xrlayer.transform=new XRRigidTransform(t.plane.getWorldPosition(e),t.plane.getWorldQuaternion(s));const a=this._glBinding.getSubImage(t.xrlayer,this._xrFrame);i.backend.setXRRenderTargetTextures(t.renderTarget,a.colorTexture,void 0),i._setXRLayerSize(t.renderTarget.width,t.renderTarget.height),n=mR.get(r),void 0===n&&(n=r.context({getOutput:e=>Vl(e,i.toneMapping,i.outputColorSpace)}),mR.set(r,n))}else n=r;i.contextNode=n,i.setRenderTarget(t.renderTarget),t.rendercall(),i.contextNode=r}i.setRenderTarget(o),i._setXRLayerSize(a.x,a.y),this.isPresenting=n}getSession(){return this._session}async setSession(e){const t=this._renderer;!1===t.initialized&&await t.init(),this._gl=t.getContext();const r=this._gl;if(this._session=e,null!==e){if(e.addEventListener("select",this._onSessionEvent),e.addEventListener("selectstart",this._onSessionEvent),e.addEventListener("selectend",this._onSessionEvent),e.addEventListener("squeeze",this._onSessionEvent),e.addEventListener("squeezestart",this._onSessionEvent),e.addEventListener("squeezeend",this._onSessionEvent),e.addEventListener("end",this._onSessionEnd),e.addEventListener("inputsourceschange",this._onInputSourcesChange),this._validateWebGPUSession(),this._currentPixelRatio=t.getPixelRatio(),t.getSize(this._currentSize),this._currentAnimationContext=t._animation.getContext(),this._currentAnimationLoop=t._animation.getAnimationLoop(),t._animation.stop(),this._isWebGPUSession())await this._initWebGPUSession(e);else if(!0===this._supportsLayers){let s=null,i=null,n=null;const a=r.getContextAttributes();await t.backend.makeXRCompatible(),this.setFoveation(this.getFoveation()),t.depth&&(n=t.stencil?r.DEPTH24_STENCIL8:r.DEPTH_COMPONENT24,s=t.stencil?je:He,i=t.stencil?Ze:S);const o={colorFormat:r.RGBA8,depthFormat:n,scaleFactor:this._framebufferScaleFactor,clearOnAccess:!1};this._useMultiviewIfPossible&&t.hasFeature("OVR_multiview2")&&(o.textureType="texture-array",this._useMultiview=!0),this._glBinding=this.getBinding();const u=this._glBinding.createProjectionLayer(o),l=[u];this._glProjLayer=u,t.setPixelRatio(1),t._setXRLayerSize(u.textureWidth,u.textureHeight);const d=this._useMultiview?2:1,c=new Z(u.textureWidth,u.textureHeight,i,void 0,void 0,void 0,void 0,void 0,void 0,s,d);if(this._xrRenderTarget=new hR(u.textureWidth,u.textureHeight,{format:Ee,type:Ve,colorSpace:t.outputColorSpace,depthTexture:c,stencilBuffer:t.stencil,samples:a.antialias?4:0,resolveDepthBuffer:!1===u.ignoreDepthValues,resolveStencilBuffer:!1===u.ignoreDepthValues,depth:this._useMultiview?2:1,multiview:this._useMultiview}),this._xrRenderTarget._hasExternalTextures=!0,this._xrRenderTarget.depth=this._useMultiview?2:1,this._sessionUsesLayers=e.enabledFeatures.includes("layers"),this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType()),this._sessionUsesLayers)for(const e of this._layers)e.plane.material=new fe({color:16777215,side:"cylinder"===e.type?F:St}),e.plane.material.blending=Rt,e.plane.material.blendEquation=it,e.plane.material.blendSrc=Et,e.plane.material.blendDst=Et,e.xrlayer=this._createXRLayer(e),l.unshift(e.xrlayer);e.updateRenderState({layers:l})}else{await t.backend.makeXRCompatible(),this.setFoveation(this.getFoveation());const s={antialias:t.currentSamples>0,alpha:!0,depth:t.depth,stencil:t.stencil,framebufferScaleFactor:this.getFramebufferScaleFactor()},i=new XRWebGLLayer(e,r,s);this._glBaseLayer=i,e.updateRenderState({baseLayer:i}),t.setPixelRatio(1),t._setXRLayerSize(i.framebufferWidth,i.framebufferHeight),this._xrRenderTarget=new hR(i.framebufferWidth,i.framebufferHeight,{format:Ee,type:Ve,colorSpace:t.outputColorSpace,stencilBuffer:t.stencil,resolveDepthBuffer:!1===i.ignoreDepthValues,resolveStencilBuffer:!1===i.ignoreDepthValues}),this._xrRenderTarget._isOpaqueFramebuffer=!0,this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType())}t._animation.setAnimationLoop(this._onAnimationFrame),t._animation.setContext(e),t._animation.start(),this.isPresenting=!0,this.dispatchEvent({type:"sessionstart"})}}updateCamera(e){const t=this._session;if(null===t)return;const r=e.near,s=e.far,i=this._cameraXR,n=this._cameraL,a=this._cameraR;i.near=a.near=n.near=r,i.far=a.far=n.far=s,i.isMultiViewCamera=this._useMultiview,this._currentDepthNear===i.near&&this._currentDepthFar===i.far||(t.updateRenderState({depthNear:i.near,depthFar:i.far}),this._currentDepthNear=i.near,this._currentDepthFar=i.far),i.layers.mask=6|e.layers.mask,n.layers.mask=-5&i.layers.mask,a.layers.mask=-3&i.layers.mask;const o=e.parent,u=i.cameras;yR(i,o);for(let e=0;e<u.length;e++)yR(u[e],o);2===u.length?function(e,t,r){pR.setFromMatrixPosition(t.matrixWorld),gR.setFromMatrixPosition(r.matrixWorld);const s=pR.distanceTo(gR),i=t.projectionMatrix.elements,n=r.projectionMatrix.elements,a=i[14]/(i[10]-1),o=i[14]/(i[10]+1),u=(i[9]+1)/i[5],l=(i[9]-1)/i[5],d=(i[8]-1)/i[0],c=(n[8]+1)/n[0],h=a*d,p=a*c,g=s/(-d+c),m=g*-d;if(t.matrixWorld.decompose(e.position,e.quaternion,e.scale),e.translateX(m),e.translateZ(g),e.matrixWorld.compose(e.position,e.quaternion,e.scale),e.matrixWorldInverse.copy(e.matrixWorld).invert(),-1===i[10])e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse);else{const t=a+g,r=o+g,i=h-m,n=p+(s-m),d=u*o/r*t,c=l*o/r*t;e.projectionMatrix.makePerspective(i,n,d,c,t,r),e.projectionMatrixInverse.copy(e.projectionMatrix).invert()}}(i,n,a):i.projectionMatrix.copy(n.projectionMatrix),function(e,t,r){null===r?e.matrix.copy(t.matrixWorld):(e.matrix.copy(r.matrixWorld),e.matrix.invert(),e.matrix.multiply(t.matrixWorld));e.matrix.decompose(e.position,e.quaternion,e.scale),e.updateMatrixWorld(!0),e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse),e.isPerspectiveCamera&&(e.fov=2*Mt*Math.atan(1/e.projectionMatrix.elements[5]),e.zoom=1)}(e,i,o)}_getController(e){let t=this._controllers[e];return void 0===t&&(t=new Ct,this._controllers[e]=t),t}}function yR(e,t){null===t?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}function bR(e){const t=this._controllerInputSources.indexOf(e.inputSource);if(-1===t)return;const r=this._controllers[t];if(void 0!==r){const t=this.getReferenceSpace();r.update(e.inputSource,e.frame,t),r.dispatchEvent({type:e.type,data:e.inputSource})}}function xR(){const e=this._session,t=this._renderer;e.removeEventListener("select",this._onSessionEvent),e.removeEventListener("selectstart",this._onSessionEvent),e.removeEventListener("selectend",this._onSessionEvent),e.removeEventListener("squeeze",this._onSessionEvent),e.removeEventListener("squeezestart",this._onSessionEvent),e.removeEventListener("squeezeend",this._onSessionEvent),e.removeEventListener("end",this._onSessionEnd),e.removeEventListener("inputsourceschange",this._onInputSourcesChange);for(let e=0;e<this._controllers.length;e++){const t=this._controllerInputSources[e];null!==t&&(this._controllerInputSources[e]=null,this._controllers[e].disconnect(t))}if(this._currentDepthNear=null,this._currentDepthFar=null,null!==this._currentSamples&&(t._samples=this._currentSamples,this._currentSamples=null),t._resetXRState(),this._disposeWebGPUSession(),this._session=null,this._xrRenderTarget=null,this._glBinding=null,this._webgpuBinding=null,this._glBaseLayer=null,this._glProjLayer=null,!0===this._sessionUsesLayers)for(const e of this._layers)e.renderTarget=new hR(e.pixelwidth,e.pixelheight,{format:Ee,type:Ve,depthTexture:new Z(e.pixelwidth,e.pixelheight,e.stencilBuffer?Ze:S,void 0,void 0,void 0,void 0,void 0,void 0,e.stencilBuffer?je:He),stencilBuffer:e.stencilBuffer,resolveDepthBuffer:!1,resolveStencilBuffer:!1}),e.renderTarget.isXRRenderTarget=!1,e.plane.material=e.material,e.material.map=e.renderTarget.texture,e.material.map.offset.y=1,e.material.map.repeat.y=-1,delete e.xrlayer;this.isPresenting=!1,this._useMultiview=!1,t._animation.stop(),t._animation.setAnimationLoop(this._currentAnimationLoop),t._animation.setContext(this._currentAnimationContext),t._animation.start(),t.setPixelRatio(this._currentPixelRatio),t.setSize(this._currentSize.width,this._currentSize.height,!1),this.dispatchEvent({type:"sessionend"})}function TR(e){const t=this._controllers,r=this._controllerInputSources;for(let s=0;s<e.removed.length;s++){const i=e.removed[s],n=r.indexOf(i);n>=0&&(r[n]=null,t[n].disconnect(i))}for(let s=0;s<e.added.length;s++){const i=e.added[s];let n=r.indexOf(i);if(-1===n){for(let e=0;e<t.length;e++){if(e>=r.length){r.push(i),n=e;break}if(null===r[e]){r[e]=i,n=e;break}}if(-1===n)break}const a=t[n];a&&a.connect(i)}}function _R(e){return"quad"===e.type?this._glBinding.createQuadLayer({transform:new XRRigidTransform(e.translation,e.quaternion),width:e.width/2,height:e.height/2,space:this._referenceSpace,viewPixelWidth:e.pixelwidth,viewPixelHeight:e.pixelheight,clearOnAccess:!1}):this._glBinding.createCylinderLayer({transform:new XRRigidTransform(e.translation,e.quaternion),radius:e.radius,centralAngle:e.centralAngle,aspectRatio:e.aspectRatio,space:this._referenceSpace,viewPixelWidth:e.pixelwidth,viewPixelHeight:e.pixelheight,clearOnAccess:!1})}function vR(e,t){if(void 0===t)return;const r=this._cameraXR,i=this._renderer,n=i.backend,a=this._glBaseLayer,o=this.getReferenceSpace(),u=t.getViewerPose(o);if(this._xrFrame=t,null!==u){const e=u.views,t=this._isWebGPUSession()?this._getWebGPUViewData(e):null;null!==this._glBaseLayer&&null===t&&n.setXRTarget(a.framebuffer);let o=!1;e.length!==r.cameras.length&&(r.cameras.length=0,o=!0);for(let i=0;i<e.length;i++){const u=e[i];let l;if(null!==t)l=t.viewports[i];else if(!0===this._supportsLayers){const e=this._glBinding.getViewSubImage(this._glProjLayer,u);l=e.viewport,0===i&&n.setXRRenderTargetTextures(this._xrRenderTarget,e.colorTexture,this._glProjLayer.ignoreDepthValues&&!this._useMultiview?void 0:e.depthStencilTexture)}else l=a.getViewport(u);let d=this._cameras[i];void 0===d&&(d=new Se,d.layers.enable(i),d.viewport=new s,d.matrixWorldAutoUpdate=!1,this._cameras[i]=d),d.matrix.fromArray(u.transform.matrix),d.matrix.decompose(d.position,d.quaternion,d.scale),d.projectionMatrix.fromArray(u.projectionMatrix),d.projectionMatrixInverse.copy(d.projectionMatrix).invert(),d.viewport.set(l.x,l.y,l.width,l.height),0===i&&(r.matrix.copy(d.matrix),r.matrix.decompose(r.position,r.quaternion,r.scale)),!0===o&&r.cameras.push(d)}null!==t&&null!==t.colorTexture&&n.setXRRenderTargetTextures(this._xrRenderTarget,t.colorTexture,t.viewDescriptors),i.setOutputRenderTarget(this._xrRenderTarget);const l=i._getFrameBufferTarget();i.xr.foveateBoundTexture(l)}for(let e=0;e<this._controllers.length;e++){const r=this._controllerInputSources[e],s=this._controllers[e];null!==r&&void 0!==s&&s.update(r,t,o)}this._currentAnimationLoop&&this._currentAnimationLoop(e,t),t.detectedPlanes&&this.dispatchEvent({type:"planesdetected",data:t}),this._xrFrame=null}class NR extends u{constructor(e){super(),this.domElement=e,this._pixelRatio=1,this._width=this.domElement.width,this._height=this.domElement.height,this._viewport=new s(0,0,this._width,this._height),this._scissor=new s(0,0,this._width,this._height),this._scissorTest=!1,this.colorTexture=new Q,this.depthTexture=new Z}getPixelRatio(){return this._pixelRatio}getDrawingBufferSize(e){return e.set(this._width*this._pixelRatio,this._height*this._pixelRatio).floor()}getSize(e){return e.set(this._width,this._height)}setPixelRatio(e=1){this._pixelRatio!==e&&(this._pixelRatio=e,this.setSize(this._width,this._height,!1))}setDrawingBufferSize(e,t,r){this.xr&&this.xr.isPresenting||(this._width=e,this._height=t,this._pixelRatio=r,this.domElement.width=Math.floor(e*r),this.domElement.height=Math.floor(t*r),this.setViewport(0,0,e,t),this._dispatchResize())}setSize(e,t,r=!0){this.xr&&this.xr.isPresenting||(this._width=e,this._height=t,this.domElement.width=Math.floor(e*this._pixelRatio),this.domElement.height=Math.floor(t*this._pixelRatio),!0===r&&(this.domElement.style.width=e+"px",this.domElement.style.height=t+"px"),this.setViewport(0,0,e,t),this._dispatchResize())}getScissor(e){const t=this._scissor;return e.x=t.x,e.y=t.y,e.width=t.width,e.height=t.height,e}setScissor(e,t,r,s){const i=this._scissor;e.isVector4?i.copy(e):i.set(e,t,r,s)}getScissorTest(){return this._scissorTest}setScissorTest(e){this._scissorTest=e}getViewport(e){return e.copy(this._viewport)}setViewport(e,t,r,s,i=0,n=1){const a=this._viewport;e.isVector4?a.copy(e):a.set(e,t,r,s),a.minDepth=i,a.maxDepth=n}_dispatchResize(){this.dispatchEvent({type:"resize"})}dispose(){this.dispatchEvent({type:"dispose"})}}const SR=new ue,RR=new t,ER=new s,wR=new Lt,AR=new Bt,CR=new a,MR=new s,BR={[St]:F,[F]:St,[P]:P};class LR{constructor(e,t={}){this.isRenderer=!0;const{logarithmicDepthBuffer:r=!1,reversedDepthBuffer:s=!1,alpha:i=!0,depth:n=!0,stencil:a=!1,antialias:o=!1,samples:u=0,getFallback:l=null,outputBufferType:d=Te,multiview:c=!1}=t;this.backend=e,this.autoClear=!0,this.autoClearColor=!0,this.autoClearDepth=!0,this.autoClearStencil=!0,this.alpha=i,this.logarithmicDepthBuffer=r,this.reversedDepthBuffer=s,this.outputColorSpace=ie,this.toneMapping=m,this.toneMappingExposure=1,this.sortObjects=!0,this.depth=n,this.stencil=a,this.info=new ab,this.contextNode=Pu(),this.library=new uR,this.lighting=new cR,this._samples=u||!0===o?4:0,this._onCanvasTargetResize=this._onCanvasTargetResize.bind(this),this._canvasTarget=new NR(e.getDomElement()),this._canvasTarget.addEventListener("resize",this._onCanvasTargetResize),this._canvasTarget.isDefaultCanvasTarget=!0,this._inspector=new $l,this._inspector.setRenderer(this),this._getFallback=l,this._attributes=null,this._geometries=null,this._nodes=null,this._animation=null,this._bindings=null,this._objects=null,this._pipelines=null,this._bundles=null,this._renderLists=null,this._renderContexts=null,this._textures=null,this._background=null,this._quadCache=new Map,this._currentRenderContext=null,this._opaqueSort=null,this._transparentSort=null,this._frameBufferTargets=new Map;const h=!0===this.alpha?0:1;this._clearColor=new wb(0,0,0,h),this._clearDepth=1,this._clearStencil=0,this._renderTarget=null,this._activeCubeFace=0,this._activeMipmapLevel=0,this._outputRenderTarget=null,this._mrt=null,this._renderObjectFunction=null,this._currentRenderObjectFunction=null,this._currentRenderBundle=null,this._handleObjectFunction=this._renderObjectDirect,this._isDeviceLost=!1,this.onDeviceLost=this._onDeviceLost,this.onError=this._onError,this._outputBufferType=d,this._cacheShadowNodes=new WeakMap,this._initialized=!1,this._callDepth=-1,this._initPromise=null,this._compilationPromises=null,this._currentSourceMaterial=null,this.transparent=!0,this.opaque=!0,this.shadowMap={enabled:!1,transmitted:!1,type:ct},this.xr=new fR(this,c),this.debug={checkShaderErrors:!0,onShaderError:null,getShaderAsync:async(e,t,r)=>{await this.compileAsync(r,t,e);const s=this.needsFrameBufferTarget&&null===this._renderTarget?this._getFrameBufferTarget():this._renderTarget||this._outputRenderTarget,i=this._renderLists.get(e,t),n=this._renderContexts.get(s,this._mrt),a=e.overrideMaterial||r.material,o=this._objects.get(r,a,e,t,i.lightsNode,n,n.clippingContext),{fragmentShader:u,vertexShader:l}=o.getNodeBuilderState();return{fragmentShader:u,vertexShader:l}}}}async init(){return null!==this._initPromise||(this._initPromise=new Promise(async(e,t)=>{let r=this.backend;try{await r.init(this)}catch(e){if(null===this._getFallback)return void t(e);try{this.backend=r=this._getFallback(e),await r.init(this)}catch(e){return void t(e)}}this._nodes=new rR(this,r),this._animation=new zy(this,this._nodes,this.info),this._attributes=new tb(r,this.info),this._background=new YN(this,this._nodes),this._geometries=new nb(this._attributes,this.info),this._textures=new Eb(this,r,this.info),this._pipelines=new hb(r,this._nodes,this.info),this._bindings=new pb(r,this._nodes,this._textures,this._attributes,this._pipelines,this.info),this._objects=new Xy(this,this._nodes,this._geometries,this._pipelines,this._bindings,this.info),this._renderLists=new Tb(this.lighting),this._bundles=new oR,this._renderContexts=new Sb(this),this._animation.start(),this._initialized=!0,this._inspector.init(),e(this)})),this._initPromise}get domElement(){return this._canvasTarget.domElement}get coordinateSystem(){return this.backend.coordinateSystem}async compileAsync(e,t,r=null){if(!0===this._isDeviceLost)return;!1===this._initialized&&await this.init();const s=this._nodes.nodeFrame,i=s.renderId,n=this._currentRenderContext,a=this._currentRenderObjectFunction,o=this._handleObjectFunction,u=this._compilationPromises;null===r&&(r=e);const l=!0===e.isScene?e:!0===r.isScene?r:SR,d=this.needsFrameBufferTarget&&null===this._renderTarget?this._getFrameBufferTarget():this._renderTarget||this._outputRenderTarget,c=this._renderContexts.get(d,this._mrt),h=this._activeMipmapLevel,p=[];this._currentRenderContext=c,this._currentRenderObjectFunction=this.renderObject,this._handleObjectFunction=this._createObjectPipeline,this._compilationPromises=p,s.renderId++,s.update(),c.depth=this.depth,c.stencil=this.stencil,c.clippingContext||(c.clippingContext=new iR),c.clippingContext.updateGlobal(l,t),!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),t=this._updateCamera(t),l.onBeforeRender(this,e,t,d);const g=t.isArrayCamera?AR:wR;t.isArrayCamera||(CR.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),g.setFromProjectionMatrix(CR,t.coordinateSystem,t.reversedDepth));const m=this._renderLists.get(l,t);if(m.begin(),this._projectObject(e,t,0,m,c.clippingContext),r!==e&&r.traverseVisible(function(e){e.isLight&&e.layers.test(t.layers)&&m.pushLight(e)}),m.finish(),null!==d){this._textures.updateRenderTarget(d,h);const e=this._textures.get(d);c.textures=e.textures,c.depthTexture=e.depthTexture}else c.textures=null,c.depthTexture=null;r!==e?this._background.update(r,m,c):this._background.update(l,m,c);const f=m.opaque,y=m.transparent,b=m.transparentDoublePass,x=m.lightsNode;!0===this.opaque&&f.length>0&&this._renderObjects(f,t,l,x),!0===this.transparent&&y.length>0&&this._renderTransparents(y,b,t,l,x),s.renderId=i,this._currentRenderContext=n,this._currentRenderObjectFunction=a,this._handleObjectFunction=o,this._compilationPromises=u;for(const e of p){const t=this._objects.get(e.object,e.material,e.scene,e.camera,e.lightsNode,e.renderContext,e.clippingContext,e.passId);t.drawRange=e.object.geometry.drawRange,t.group=e.group,this._geometries.updateForRender(t),await this._nodes.getForRenderAsync(t),this._nodes.updateBefore(t),this._nodes.updateForRender(t),this._bindings.updateForRender(t);const r=[];this._pipelines.getForRender(t,r),r.length>0&&await Promise.all(r),this._nodes.updateAfter(t),await Tt()}}async renderAsync(e,t){v('Renderer: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.render(e,t)}async waitForGPU(){o("Renderer: waitForGPU() has been removed. Read https://github.com/mrdoob/three.js/issues/32012 for more information.")}set inspector(e){null!==this._inspector&&this._inspector.setRenderer(null),this._inspector=e,this._inspector.setRenderer(this)}get inspector(){return this._inspector}set highPrecision(e){const t=this.contextNode.value;!0===e?(t.modelViewMatrix=hc,t.modelNormalViewMatrix=pc):this.highPrecision&&(delete t.modelViewMatrix,delete t.modelNormalViewMatrix)}get highPrecision(){const e=this.contextNode.value;return e.modelViewMatrix===hc&&e.modelNormalViewMatrix===pc}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}getOutputBufferType(){return this._outputBufferType}getColorBufferType(){return v('Renderer: ".getColorBufferType()" has been renamed to ".getOutputBufferType()".'),this.getOutputBufferType()}_onDeviceLost(e){let t=`THREE.WebGPURenderer: ${e.api} Device Lost:\n\nMessage: ${e.message}`;e.reason&&(t+=`\nReason: ${e.reason}`),o(t),this._isDeviceLost=!0}_onError(e){let t=`WebGPURenderer: Uncaptured ${e.api} ${e.type}`;e.message&&(t+=`: ${e.message}`),o(t)}_renderBundle(e,t,r){const{bundleGroup:s,camera:i,renderList:n}=e,a=this._currentRenderContext,o=this._bundles.get(s,i,a),u=this.backend.get(o),l=s.version!==u.version;if(l||void 0===u.bundleGPU){this.backend.beginBundle(a),(void 0===u.renderObjects||l)&&(u.renderObjects=[]),this._currentRenderBundle=o;const{transparentDoublePass:e,transparent:d,opaque:c}=n;!0===this.opaque&&c.length>0&&this._renderObjects(c,i,t,r),!0===this.transparent&&d.length>0&&this._renderTransparents(d,e,i,t,r),this._currentRenderBundle=null,this.backend.finishBundle(a,o),u.version=s.version}else{const{renderObjects:e}=u;for(let t=0,r=e.length;t<r;t++){const r=e[t];this._nodes.needsRefresh(r)&&(this._nodes.updateBefore(r),this._nodes.updateForRender(r),this._bindings.updateForRender(r),this._nodes.updateAfter(r))}}this.backend.addBundle(a,o)}render(e,t){if(!1===this._initialized)throw new Error('THREE.Renderer: .render() called before the backend is initialized. Use "await renderer.init();" before rendering.');this._renderScene(e,t)}get initialized(){return this._initialized}_renderOutputLayers(e,t){if(!0!==t.texture.isArrayTexture||t.texture.image.depth<=1)return void this._renderScene(e,e.camera,!1);const r=this._activeCubeFace;try{for(let r=0;r<t.texture.image.depth;r++)this._nodes.setOutputLayerIndex(r),this._activeCubeFace=r,this._renderScene(e,e.camera,!1)}finally{this._nodes.setOutputLayerIndex(0),this._activeCubeFace=r}}_getFrameBufferTarget(){const{currentToneMapping:e,currentColorSpace:t}=this,r=e!==m,s=t!==p.workingColorSpace;if(!1===r&&!1===s)return null;const{width:i,height:n}=this.getDrawingBufferSize(RR),{depth:a,stencil:o}=this,u=this._outputRenderTarget||this._canvasTarget;let l=this._frameBufferTargets.get(u);if(void 0===l){l=new ne(i,n,{depthBuffer:a,stencilBuffer:o,type:this._outputBufferType,format:Ee,colorSpace:p.workingColorSpace,generateMipmaps:!1,minFilter:le,magFilter:le,samples:this.samples}),l.isPostProcessingRenderTarget=!0;const e=()=>{u.removeEventListener("dispose",e),l.dispose(),this._frameBufferTargets.delete(u)};u.addEventListener("dispose",e),this._frameBufferTargets.set(u,l)}const d=this.getOutputRenderTarget();l.depthBuffer=a,l.stencilBuffer=o,null!==d?l.setSize(d.width,d.height,d.depth):l.setSize(i,n,1);const c=this._outputRenderTarget?this._outputRenderTarget.viewport:u._viewport,h=this._outputRenderTarget?this._outputRenderTarget.scissor:u._scissor,g=this._outputRenderTarget?1:u._pixelRatio,f=this._outputRenderTarget?this._outputRenderTarget.scissorTest:u._scissorTest;return l.viewport.copy(c),l.scissor.copy(h),l.viewport.multiplyScalar(g),l.scissor.multiplyScalar(g),l.scissorTest=f,l.multiview=null!==d&&d.multiview,l.useArrayDepthTexture=null!==d&&d.useArrayDepthTexture,l.resolveDepthBuffer=null===d||d.resolveDepthBuffer,l._autoAllocateDepthBuffer=null!==d&&d._autoAllocateDepthBuffer,l}_renderScene(e,t,r=!0){if(!0===this._isDeviceLost)return;const s=r?this._getFrameBufferTarget():null,i=this._nodes.nodeFrame,n=i.renderId,a=this._currentRenderContext,o=this._currentRenderObjectFunction,u=this._handleObjectFunction;this.lighting.beginRender(e),this._callDepth++;const l=!0===e.isScene?e:SR,d=this._renderTarget||this._outputRenderTarget,c=this._activeCubeFace,h=this._activeMipmapLevel;let p;if(null!==s?(p=s,this.setRenderTarget(p)):p=d,null!==p&&!0===p.depthBuffer){const e=this._textures.get(p);!0!==e.depthInitialized&&((!1===this.autoClear||!0===this.autoClear&&!1===this.autoClearDepth)&&this.clearDepth(),e.depthInitialized=!0)}const g=this._renderContexts.get(p,this._mrt,this._callDepth);this._currentRenderContext=g,this._currentRenderObjectFunction=this._renderObjectFunction||this.renderObject,this._handleObjectFunction=this._renderObjectDirect,this.info.calls++,this.info.render.calls++,this.info.render.frameCalls++,i.renderId=this.info.calls,this.backend.updateTimeStampUID(g),this.inspector.beginRender(this.backend.getTimestampUID(g),e,t,p),!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),t=this._updateCamera(t);const m=this._canvasTarget;let f=m._viewport,y=m._scissor,b=m._pixelRatio;null!==p&&(f=p.viewport,y=p.scissor,b=1),this.getDrawingBufferSize(RR),ER.set(0,0,RR.width,RR.height);const x=void 0===f.minDepth?0:f.minDepth,T=void 0===f.maxDepth?1:f.maxDepth;g.viewportValue.copy(f).multiplyScalar(b).floor(),g.viewportValue.width>>=h,g.viewportValue.height>>=h,g.viewportValue.minDepth=x,g.viewportValue.maxDepth=T,g.viewport=!1===g.viewportValue.equals(ER),g.scissorValue.copy(y).multiplyScalar(b).floor(),g.scissor=m._scissorTest&&!1===g.scissorValue.equals(ER),g.scissorValue.width>>=h,g.scissorValue.height>>=h,g.clippingContext||(g.clippingContext=new iR),g.clippingContext.updateGlobal(l,t),l.onBeforeRender(this,e,t,p);const _=t.isArrayCamera?AR:wR;t.isArrayCamera||(CR.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),_.setFromProjectionMatrix(CR,t.coordinateSystem,t.reversedDepth));const v=this._renderLists.get(e,t);if(v.begin(),this._projectObject(e,t,0,v,g.clippingContext),v.finish(),!0===this.sortObjects&&v.sort(this._opaqueSort,this._transparentSort,t.reversedDepth),null!==p){this._textures.updateRenderTarget(p,h);const e=this._textures.get(p);g.textures=e.textures,g.depthTexture=e.depthTexture,g.width=e.width,g.height=e.height,g.renderTarget=p,g.depth=p.depthBuffer,g.stencil=p.stencilBuffer}else g.textures=null,g.depthTexture=null,g.width=RR.width,g.height=RR.height,g.depth=this.depth,g.stencil=this.stencil;g.width>>=h,g.height>>=h,g.activeCubeFace=c,g.activeMipmapLevel=h,g.occlusionQueryCount=v.occlusionQueryCount,g.scissorValue.max(MR.set(0,0,0,0)),g.scissorValue.x+g.scissorValue.width>g.width&&(g.scissorValue.width=Math.max(g.width-g.scissorValue.x,0)),g.scissorValue.y+g.scissorValue.height>g.height&&(g.scissorValue.height=Math.max(g.height-g.scissorValue.y,0)),this._background.update(l,v,g),g.camera=t,this.backend.beginRender(g);const{bundles:N,lightsNode:S,transparentDoublePass:R,transparent:E,opaque:w}=v;return N.length>0&&this._renderBundles(N,l,S),!0===this.opaque&&w.length>0&&this._renderObjects(w,t,l,S),!0===this.transparent&&E.length>0&&this._renderTransparents(E,R,t,l,S),this.backend.finishRender(g),i.renderId=n,this._currentRenderContext=a,this._currentRenderObjectFunction=o,this._handleObjectFunction=u,this.lighting.finishRender(e),this._callDepth--,null!==s&&(this.setRenderTarget(d,c,h),this._renderOutput(p)),l.onAfterRender(this,e,t,p),this.inspector.finishRender(this.backend.getTimestampUID(g)),g}_setXRLayerSize(e,t){this._canvasTarget._width=e,this._canvasTarget._height=t,this.setViewport(0,0,e,t)}_renderOutput(e){const t=this._nodes.getOutputCacheKey();let r,s=this._quadCache.get(e.texture);if(void 0===s){r=new Vx(new Ig),r.name="Output Color Transform",r.material.name="outputColorTransform",r.material.fragmentNode=this._nodes.getOutputNode(e.texture),s={quad:r,cacheKey:t},this._quadCache.set(e.texture,s);const i=()=>{r.material.dispose(),this._quadCache.delete(e.texture),e.texture.removeEventListener("dispose",i)};e.texture.addEventListener("dispose",i)}else r=s.quad,s.cacheKey!==t&&(r.material.fragmentNode=this._nodes.getOutputNode(e.texture),r.material.needsUpdate=!0,s.cacheKey=t);const i=this.autoClear,n=this.xr.enabled;this.autoClear=!1,this.xr.enabled=!1,this._renderOutputLayers(r,e),this.autoClear=i,this.xr.enabled=n}getMaxAnisotropy(){return this.backend.capabilities.getMaxAnisotropy()}getActiveCubeFace(){return this._activeCubeFace}getActiveMipmapLevel(){return this._activeMipmapLevel}async setAnimationLoop(e){!1===this._initialized&&await this.init(),this._animation.setAnimationLoop(e)}getAnimationLoop(){return this._animation.getAnimationLoop()}async getArrayBufferAsync(e,t=null,r=0,s=-1){if(null!==t&&t.isReadbackBuffer&&!1===this.info.memoryMap.has(t)){this.info.createReadbackBuffer(t);const e=()=>{t.removeEventListener("dispose",e),this.info.destroyReadbackBuffer(t)};t.addEventListener("dispose",e)}if(r%4!=0||s>0&&s%4!=0)throw new Error('THREE.Renderer: "getArrayBufferAsync()" offset and count must be a multiple of 4.');return await this.backend.getArrayBufferAsync(e,t,r,s)}getContext(){return this.backend.getContext()}getPixelRatio(){return this._canvasTarget.getPixelRatio()}getDrawingBufferSize(e){return this._canvasTarget.getDrawingBufferSize(e)}getSize(e){return this._canvasTarget.getSize(e)}setPixelRatio(e=1){this._canvasTarget.setPixelRatio(e)}setDrawingBufferSize(e,t,r){this.xr&&this.xr.isPresenting||this._canvasTarget.setDrawingBufferSize(e,t,r)}setSize(e,t,r=!0){this.xr&&this.xr.isPresenting||this._canvasTarget.setSize(e,t,r)}setOpaqueSort(e){this._opaqueSort=e}setTransparentSort(e){this._transparentSort=e}getScissor(e){return this._canvasTarget.getScissor(e)}setScissor(e,t,r,s){this._canvasTarget.setScissor(e,t,r,s)}getScissorTest(){return this._canvasTarget.getScissorTest()}setScissorTest(e){this._canvasTarget.setScissorTest(e),this.backend.setScissorTest(e)}getViewport(e){return this._canvasTarget.getViewport(e)}setViewport(e,t,r,s,i=0,n=1){this._canvasTarget.setViewport(e,t,r,s,i,n)}getClearColor(e){return e.copy(this._clearColor)}setClearColor(e,t=1){this._clearColor.set(e),this._clearColor.a=t}getClearAlpha(){return this._clearColor.a}setClearAlpha(e){this._clearColor.a=e}getClearDepth(){return!0===this.reversedDepthBuffer?1-this._clearDepth:this._clearDepth}setClearDepth(e){this._clearDepth=e}getClearStencil(){return this._clearStencil}setClearStencil(e){this._clearStencil=e}isOccluded(e){const t=this._currentRenderContext;return t&&this.backend.isOccluded(t,e)}clear(e=!0,t=!0,r=!0){if(!1===this._initialized)throw new Error('THREE.Renderer: .clear() called before the backend is initialized. Use "await renderer.init();" before using this method.');const s=this._renderTarget||this._getFrameBufferTarget();let i=null;if(null!==s){this._textures.updateRenderTarget(s);const e=this._textures.get(s);i=this._renderContexts.get(s,null,-1),i.textures=e.textures,i.depthTexture=e.depthTexture,i.width=e.width,i.height=e.height,i.renderTarget=s,i.depth=s.depthBuffer,i.stencil=s.stencilBuffer;const t=this.backend.getClearColor();i.clearColorValue.r=t.r,i.clearColorValue.g=t.g,i.clearColorValue.b=t.b,i.clearColorValue.a=t.a,i.clearDepthValue=this.getClearDepth(),i.clearStencilValue=this.getClearStencil(),i.activeCubeFace=this.getActiveCubeFace(),i.activeMipmapLevel=this.getActiveMipmapLevel(),!0===s.depthBuffer&&(e.depthInitialized=!0)}this.backend.clear(e,t,r,i),null!==s&&null===this._renderTarget&&this._renderOutput(s)}clearColor(){this.clear(!0,!1,!1)}clearDepth(){this.clear(!1,!0,!1)}clearStencil(){this.clear(!1,!1,!0)}async clearAsync(e=!0,t=!0,r=!0){v('Renderer: "clearAsync()" has been deprecated. Use "clear()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.clear(e,t,r)}async clearColorAsync(){v('Renderer: "clearColorAsync()" has been deprecated. Use "clearColor()" and "await renderer.init();" when creating the renderer.'),this.clear(!0,!1,!1)}async clearDepthAsync(){v('Renderer: "clearDepthAsync()" has been deprecated. Use "clearDepth()" and "await renderer.init();" when creating the renderer.'),this.clear(!1,!0,!1)}async clearStencilAsync(){v('Renderer: "clearStencilAsync()" has been deprecated. Use "clearStencil()" and "await renderer.init();" when creating the renderer.'),this.clear(!1,!1,!0)}get needsFrameBufferTarget(){const e=this.currentToneMapping!==m,t=this.currentColorSpace!==p.workingColorSpace;return e||t}get samples(){return this._samples}get currentSamples(){let e=this._samples;return null!==this._renderTarget?e=this._renderTarget.samples:this.needsFrameBufferTarget&&(e=0),e}get currentToneMapping(){return this.isOutputTarget?this.toneMapping:m}get currentColorSpace(){return this.isOutputTarget?this.outputColorSpace:p.workingColorSpace}get isOutputTarget(){return this._renderTarget===this._outputRenderTarget||null===this._renderTarget}dispose(){if(!0===this._initialized){this.info.dispose(),this.backend.dispose(),this._animation.dispose(),this._objects.dispose(),this._geometries.dispose(),this._pipelines.dispose(),this._nodes.dispose(),this._bindings.dispose(),this._renderLists.dispose(),this._renderContexts.dispose(),this._textures.dispose();for(const e of this._frameBufferTargets.keys())e.dispose();Object.values(this.backend.timestampQueryPool).forEach(e=>{null!==e&&e.dispose()})}this.setRenderTarget(null),this.setAnimationLoop(null)}setRenderTarget(e,t=0,r=0){this._renderTarget=e,this._activeCubeFace=t,this._activeMipmapLevel=r}getRenderTarget(){return this._renderTarget}setOutputRenderTarget(e){this._outputRenderTarget=e}getOutputRenderTarget(){return this._outputRenderTarget}setCanvasTarget(e){this._canvasTarget.removeEventListener("resize",this._onCanvasTargetResize),this._canvasTarget=e,this._canvasTarget.addEventListener("resize",this._onCanvasTargetResize)}getCanvasTarget(){return this._canvasTarget}_resetXRState(){this.backend.setXRTarget(null),this.setOutputRenderTarget(null),this.setRenderTarget(null);for(const e of this._frameBufferTargets.keys())e.dispose()}setRenderObjectFunction(e){this._renderObjectFunction=e}getRenderObjectFunction(){return this._renderObjectFunction}compute(e,t=null){if(!0===this._isDeviceLost)return;if(!1===this._initialized)return d("Renderer: .compute() called before the backend is initialized. Try using .computeAsync() instead."),this.computeAsync(e,t);const r=this._nodes.nodeFrame,s=r.renderId;this.info.calls++,this.info.compute.calls++,this.info.compute.frameCalls++,r.renderId=this.info.calls,this.backend.updateTimeStampUID(e),this.inspector.beginCompute(this.backend.getTimestampUID(e),e);const i=this.backend,n=this._pipelines,a=this._bindings,o=this._nodes,u=Array.isArray(e)?e:[e];if(void 0===u[0]||!0!==u[0].isComputeNode)throw new Error("THREE.Renderer: .compute() expects a ComputeNode.");i.beginCompute(e);for(const r of u){if(!1===n.has(r)){const e=()=>{r.removeEventListener("dispose",e),n.delete(r),a.deleteForCompute(r),o.delete(r)};r.addEventListener("dispose",e);const t=r.onInitFunction;null!==t&&t.call(r,{renderer:this})}o.updateForCompute(r),a.updateForCompute(r);const s=a.getForCompute(r),u=n.getForCompute(r,s);i.compute(e,r,s,u,t)}i.finishCompute(e),r.renderId=s,this.inspector.finishCompute(this.backend.getTimestampUID(e))}async computeAsync(e,t=null){!1===this._initialized&&await this.init(),this.compute(e,t)}async hasFeatureAsync(e){return v('Renderer: "hasFeatureAsync()" has been deprecated. Use "hasFeature()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.hasFeature(e)}async resolveTimestampsAsync(e="render"){return!1===this._initialized&&await this.init(),this.backend.resolveTimestampsAsync(e)}hasFeature(e){if(!1===this._initialized)throw new Error('THREE.Renderer: .hasFeature() called before the backend is initialized. Use "await renderer.init();" before using this method.');return this.backend.hasFeature(e)}hasInitialized(){return this._initialized}async initTextureAsync(e){v('Renderer: "initTextureAsync()" has been deprecated. Use "initTexture()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.initTexture(e)}initTexture(e){if(!1===this._initialized)throw new Error('THREE.Renderer: .initTexture() called before the backend is initialized. Use "await renderer.init();" before using this method.');this._textures.updateTexture(e)}initRenderTarget(e){if(!1===this._initialized)throw new Error('THREE.Renderer: .initRenderTarget() called before the backend is initialized. Use "await renderer.init();" before using this method.');this._textures.updateRenderTarget(e);const t=this._textures.get(e),r=this._renderContexts.get(e);r.textures=t.textures,r.depthTexture=t.depthTexture,r.width=t.width,r.height=t.height,r.renderTarget=e,r.depth=e.depthBuffer,r.stencil=e.stencilBuffer,this.backend.initRenderTarget(r)}copyFramebufferToTexture(e,t=null){if(null!==t)if(t.isVector2)t=MR.set(t.x,t.y,e.image.width,e.image.height).floor();else{if(!t.isVector4)return void o("Renderer.copyFramebufferToTexture: Invalid rectangle.");t=MR.copy(t).floor()}else t=MR.set(0,0,e.image.width,e.image.height);let r,s=this._currentRenderContext;null!==s?r=s.renderTarget:(r=this._renderTarget||this._getFrameBufferTarget(),null!==r&&(this._textures.updateRenderTarget(r),s=this._textures.get(r))),this._textures.updateTexture(e,{renderTarget:r}),this.backend.copyFramebufferToTexture(e,s,t),this._inspector.copyFramebufferToTexture(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){this._textures.updateTexture(e),this._textures.updateTexture(t),this.backend.copyTextureToTexture(e,t,r,s,i,n),this._inspector.copyTextureToTexture(e,t)}async readRenderTargetPixelsAsync(e,t,r,s,i,n=0,a=0){return this.backend.copyTextureToBuffer(e.textures[n],t,r,s,i,a)}_projectObject(e,t,r,s,i){if(!1===e.visible)return;if(e.layers.test(t.layers))if(e.isGroup)r=e.renderOrder,e.isClippingGroup&&e.enabled&&(i=i.getGroupContext(e));else if(e.isLOD)!0===e.autoUpdate&&e.update(t);else if(e.isLight)s.pushLight(e);else if(e.isSprite){const n=t.isArrayCamera?AR:wR;if(!e.frustumCulled||n.intersectsSprite(e,t)){!0===this.sortObjects&&MR.setFromMatrixPosition(e.matrixWorld).applyMatrix4(CR);const{geometry:t,material:n}=e;n.visible&&s.push(e,t,n,r,MR.z,null,i)}}else if(e.isLineLoop)o("Renderer: Objects of type THREE.LineLoop are not supported. Please use THREE.Line or THREE.LineSegments.");else if(e.isMesh||e.isLine||e.isPoints){const n=t.isArrayCamera?AR:wR;if(!e.frustumCulled||n.intersectsObject(e,t)){const{geometry:t,material:n}=e;if(!0===this.sortObjects&&(null===t.boundingSphere&&t.computeBoundingSphere(),MR.copy(t.boundingSphere.center).applyMatrix4(e.matrixWorld).applyMatrix4(CR)),Array.isArray(n)){const a=t.groups;for(let o=0,u=a.length;o<u;o++){const u=a[o],l=n[u.materialIndex];l&&l.visible&&s.push(e,t,l,r,MR.z,u,i)}}else n.visible&&s.push(e,t,n,r,MR.z,null,i)}}if(!0===e.isBundleGroup&&void 0!==this.backend.beginBundle){const r=s;(s=this._renderLists.get(e,t)).begin(),r.pushBundle({bundleGroup:e,camera:t,renderList:s}),s.finish()}const n=e.children;for(let e=0,a=n.length;e<a;e++)this._projectObject(n[e],t,r,s,i)}_renderBundles(e,t,r){for(const s of e)this._renderBundle(s,t,r)}_renderTransparents(e,t,r,s,i){if(t.length>0){for(const{material:e}of t)e.side=F;this._renderObjects(t,r,s,i,"backSide");for(const{material:e}of t)e.side=St;this._renderObjects(e,r,s,i);for(const{material:e}of t)e.side=P}else this._renderObjects(e,r,s,i)}_renderObjects(e,t,r,s,i=null){for(let n=0,a=e.length;n<a;n++){const{object:a,geometry:o,material:u,group:l,clippingContext:d}=e[n];this._currentRenderObjectFunction(a,r,t,o,u,l,s,d,i)}}_getShadowNodes(e){const t=e.version;let r=this._cacheShadowNodes.get(e);if(void 0===r||r.version!==t){const s=null!==e.map,i=e.colorNode&&e.colorNode.isNode,n=e.castShadowNode&&e.castShadowNode.isNode,a=e.maskShadowNode&&e.maskShadowNode.isNode||e.maskNode&&e.maskNode.isNode;let o=null,u=null,l=null;if(s||i||n||a){let t,r;if(n?(t=e.castShadowNode.rgb,r=e.castShadowNode.a,!0!==this.shadowMap.transmitted&&v("Renderer: `shadowMap.transmitted` needs to be set to `true` when using `material.castShadowNode`.")):(t=An(0),r=Tn(1)),s&&(r=r.mul(Jc("map","texture",e).a)),i&&(r=r.mul(e.colorNode.a)),u=Ln(t,r),a){const t=e.maskShadowNode||e.maskNode;u=gn(([e])=>(t.not().discard(),e))(u)}}e.depthNode&&e.depthNode.isNode&&(l=e.depthNode),e.castShadowPositionNode&&e.castShadowPositionNode.isNode?o=e.castShadowPositionNode:e.positionNode&&e.positionNode.isNode&&(o=e.positionNode),r={version:t,colorNode:u,depthNode:l,positionNode:o},this._cacheShadowNodes.set(e,r)}return r}_updateCamera(e){const t=this.xr;if(!1===t.isPresenting){let t=!1;if(!0===this.reversedDepthBuffer&&!0!==e.reversedDepth){if(e._reversedDepth=!0,e.isArrayCamera)for(const t of e.cameras)t._reversedDepth=!0;t=!0}const r=this.coordinateSystem;if(e.coordinateSystem!==r){if(e.coordinateSystem=r,e.isArrayCamera)for(const t of e.cameras)t.coordinateSystem=r;t=!0}if(!0===t&&(e.updateProjectionMatrix(),e.isArrayCamera))for(const t of e.cameras)t.updateProjectionMatrix()}return null===e.parent&&!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),!0===t.enabled&&!0===t.isPresenting&&(!0===t.cameraAutoUpdate&&t.updateCamera(e),e=t.getCamera()),e}renderObject(e,t,r,s,i,n,a,o=null,u=null){let l,d,c,h,p=!1;const g=this._currentSourceMaterial;if(e.onBeforeRender(this,t,r,s,i,n),!0===i.allowOverride&&null!==t.overrideMaterial){this._currentSourceMaterial=i;const e=t.overrideMaterial;if(p=!0,l=e.isNodeMaterial?e.colorNode:null,d=e.isNodeMaterial?e.depthNode:null,c=e.isNodeMaterial?e.positionNode:null,h=t.overrideMaterial.side,i.positionNode&&i.positionNode.isNode&&(e.positionNode=i.positionNode),e.alphaTest=i.alphaTest,e.alphaMap=i.alphaMap,e.transparent=i.transparent||i.transmission>0||i.transmissionNode&&i.transmissionNode.isNode||i.backdropNode&&i.backdropNode.isNode,e.isShadowPassMaterial){const{colorNode:t,depthNode:r,positionNode:s}=this._getShadowNodes(i);this.shadowMap.type===pt?e.side=null!==i.shadowSide?i.shadowSide:i.side:e.side=null!==i.shadowSide?i.shadowSide:BR[i.side],null!==t&&(e.colorNode=t),null!==r&&(e.depthNode=r),null!==s&&(e.positionNode=s)}i=e}!0===i.transparent&&i.side===P&&!1===i.forceSinglePass?(i.side=F,this._handleObjectFunction(e,i,t,r,a,n,o,"backSide"),i.side=St,this._handleObjectFunction(e,i,t,r,a,n,o,u),i.side=P):this._handleObjectFunction(e,i,t,r,a,n,o,u),p&&(t.overrideMaterial.colorNode=l,t.overrideMaterial.depthNode=d,t.overrideMaterial.positionNode=c,t.overrideMaterial.side=h),this._currentSourceMaterial=g,e.onAfterRender(this,t,r,s,i,n)}hasCompatibility(e){if(!1===this._initialized)throw new Error('THREE.Renderer: .hasCompatibility() called before the backend is initialized. Use "await renderer.init();" before using this method.');return this.backend.hasCompatibility(e)}_renderObjectDirect(e,t,r,s,i,n,a,o){const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,a,o);if(u.drawRange=e.geometry.drawRange,u.group=n,null!==this._currentRenderBundle){this.backend.get(this._currentRenderBundle).renderObjects.push(u),u.bundle=this._currentRenderBundle.bundleGroup}const l=this._nodes.needsRefresh(u);l&&(this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u)),this._pipelines.updateForRender(u),this._pipelines.isReady(u)&&(this.backend.draw(u,this.info),l&&this._nodes.updateAfter(u))}_createObjectPipeline(e,t,r,s,i,n,a,o){if(null!==this._compilationPromises)return void this._compilationPromises.push({object:e,material:t,scene:r,camera:s,lightsNode:i,group:n,clippingContext:a,passId:o,renderContext:this._currentRenderContext});const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,a,o);u.drawRange=e.geometry.drawRange,u.group=n,this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u),this._pipelines.getForRender(u,this._compilationPromises),this._nodes.updateAfter(u)}_onCanvasTargetResize(){this._initialized&&this.backend.updateSize()}get compile(){return this.compileAsync}}class FR{constructor(e=""){this.name=e,this.visibility=0}setVisibility(e){this.visibility|=e}getVisibility(){return this.visibility}clone(){return Object.assign(new this.constructor,this)}}function PR(e){return e+(eb-e%eb)%eb}class UR extends FR{constructor(e,t=null){super(e),this.isBuffer=!0,this.bytesPerElement=Float32Array.BYTES_PER_ELEMENT,this._buffer=t,this._updateRanges=[]}get updateRanges(){return this._updateRanges}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}get byteLength(){return PR(this._buffer.byteLength)}get buffer(){return this._buffer}update(){return!0}release(){this._buffer=null}}class DR extends UR{constructor(e,t=null){super(e,t),this.isUniformBuffer=!0}}let IR=0;class OR extends DR{constructor(e,t){super("UniformBuffer_"+IR++,e?e.value:null),this.nodeUniform=e,this.groupNode=t,this.isNodeUniformBuffer=!0}set updateRanges(e){this.nodeUniform.updateRanges=e}get updateRanges(){return this.nodeUniform.updateRanges}addUpdateRange(e,t){this.nodeUniform.addUpdateRange(e,t)}clearUpdateRanges(){this.nodeUniform.clearUpdateRanges()}get byteLength(){return PR(this.buffer.byteLength)}get buffer(){return this.nodeUniform.value}}class VR extends DR{constructor(e){super(e),this.isUniformsGroup=!0,this._values=null,this.uniforms=[],this._updateRangeCache=new Map,this._addedIndices=new Set}addUniformUpdateRange(e){const t=e.index;if(this._addedIndices.has(t))return;let r=this._updateRangeCache.get(t);void 0===r&&(r={start:0,count:0},this._updateRangeCache.set(t,r)),r.start=e.offset,r.count=e.itemSize,this._addedIndices.add(t),this.updateRanges.push(r)}clearUpdateRanges(){this._addedIndices.clear(),super.clearUpdateRanges()}addUniform(e){return this.uniforms.push(e),this}removeUniform(e){const t=this.uniforms.indexOf(e);return-1!==t&&this.uniforms.splice(t,1),this}get values(){return null===this._values&&(this._values=Array.from(this.buffer)),this._values}get buffer(){let e=this._buffer;if(null===e){const t=this.byteLength;e=new Float32Array(new ArrayBuffer(t)),this._buffer=e}return e}get byteLength(){const e=this.bytesPerElement;let t=0;for(let r=0,s=this.uniforms.length;r<s;r++){const s=this.uniforms[r],i=s.boundary,n=s.itemSize*e,a=t%eb,o=a%i,u=a+o;t+=o,0!==u&&eb-u<n&&(t+=eb-u),s.offset=t/e,s.index=r,t+=n}return Math.ceil(t/eb)*eb}update(){let e=!1;for(const t of this.uniforms)!0===this.updateByType(t)&&(e=!0);return e}release(){super.release(),this._values=null}updateByType(e){return e.isNumberUniform?this.updateNumber(e):e.isVector2Uniform?this.updateVector2(e):e.isVector3Uniform?this.updateVector3(e):e.isVector4Uniform?this.updateVector4(e):e.isColorUniform?this.updateColor(e):e.isMatrix3Uniform?this.updateMatrix3(e):e.isMatrix4Uniform?this.updateMatrix4(e):void o("WebGPUUniformsGroup: Unsupported uniform type.",e)}updateNumber(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i]!==s){this._getBufferForType(n)[i]=r[i]=s,t=!0,this.addUniformUpdateRange(e)}return t}updateVector2(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y){const a=this._getBufferForType(n);a[i+0]=r[i+0]=s.x,a[i+1]=r[i+1]=s.y,t=!0,this.addUniformUpdateRange(e)}return t}updateVector3(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y||r[i+2]!==s.z){const a=this._getBufferForType(n);a[i+0]=r[i+0]=s.x,a[i+1]=r[i+1]=s.y,a[i+2]=r[i+2]=s.z,t=!0,this.addUniformUpdateRange(e)}return t}updateVector4(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y||r[i+2]!==s.z||r[i+3]!==s.w){const a=this._getBufferForType(n);a[i+0]=r[i+0]=s.x,a[i+1]=r[i+1]=s.y,a[i+2]=r[i+2]=s.z,a[i+3]=r[i+3]=s.w,t=!0,this.addUniformUpdateRange(e)}return t}updateColor(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset;if(r[i+0]!==s.r||r[i+1]!==s.g||r[i+2]!==s.b){const n=this.buffer;n[i+0]=r[i+0]=s.r,n[i+1]=r[i+1]=s.g,n[i+2]=r[i+2]=s.b,t=!0,this.addUniformUpdateRange(e)}return t}updateMatrix3(e){let t=!1;const r=this.values,s=e.getValue().elements,i=e.offset;if(r[i+0]!==s[0]||r[i+1]!==s[1]||r[i+2]!==s[2]||r[i+4]!==s[3]||r[i+5]!==s[4]||r[i+6]!==s[5]||r[i+8]!==s[6]||r[i+9]!==s[7]||r[i+10]!==s[8]){const n=this.buffer;n[i+0]=r[i+0]=s[0],n[i+1]=r[i+1]=s[1],n[i+2]=r[i+2]=s[2],n[i+4]=r[i+4]=s[3],n[i+5]=r[i+5]=s[4],n[i+6]=r[i+6]=s[5],n[i+8]=r[i+8]=s[6],n[i+9]=r[i+9]=s[7],n[i+10]=r[i+10]=s[8],t=!0,this.addUniformUpdateRange(e)}return t}updateMatrix4(e){let t=!1;const r=this.values,s=e.getValue().elements,i=e.offset;if(!1===function(e,t,r){for(let s=0,i=t.length;s<i;s++)if(e[r+s]!==t[s])return!1;return!0}(r,s,i)){this.buffer.set(s,i),function(e,t,r){for(let s=0,i=t.length;s<i;s++)e[r+s]=t[s]}(r,s,i),t=!0,this.addUniformUpdateRange(e)}return t}_getBufferForType(e){return"int"===e||"ivec2"===e||"ivec3"===e||"ivec4"===e?new Int32Array(this.buffer.buffer):"uint"===e||"uvec2"===e||"uvec3"===e||"uvec4"===e?new Uint32Array(this.buffer.buffer):this.buffer}}let kR=0;class GR extends VR{constructor(e,t){super(e),this.id=kR++,this.groupNode=t,this.isNodeUniformsGroup=!0}}class $R extends FR{constructor(e,t){super(e),this._texture=t,this.version=-1,this.generation=null,this.samplerKey="",this.isSampler=!0}set texture(e){this._texture!==e&&(this._texture=e,this.reset())}get texture(){return this._texture}update(){const{texture:e,version:t}=this;return t!==e.version&&(this.version=e.version,!0)}reset(){this.generation=null,this.version=-1}release(){this._texture=null}}let zR=0;class WR extends $R{constructor(e,t){super(e,t),this.id=zR++,this.store=!1,this.mipLevel=0,this.isSampledTexture=!0}}class HR extends WR{constructor(e,t,r,s=null){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r,this.access=s}update(){const{textureNode:e}=this;return this.texture!==e.value?(this.texture=e.value,!0):super.update()}}class jR extends HR{constructor(e,t,r,s=null){super(e,t,r,s),this.isSampledCubeTexture=!0}}class qR extends HR{constructor(e,t,r,s=null){super(e,t,r,s),this.isSampledTexture3D=!0}}const XR={bitcast_int_uint:new jT("uint tsl_bitcast_int_to_uint ( int x ) { return floatBitsToUint( intBitsToFloat ( x ) ); }"),bitcast_uint_int:new jT("uint tsl_bitcast_uint_to_int ( uint x ) { return floatBitsToInt( uintBitsToFloat ( x ) ); }"),textureGather:new jT("\nvec4 tsl_textureGather( const int comp, sampler2D map, vec2 coord, ivec2 offset, bool flipY ) {\n\tif ( flipY ) offset.y = - offset.y;\n\tvec2 size = vec2( textureSize( map, 0 ) );\n\tvec2 st = floor( coord * size + vec2( offset ) - 0.5 );\n\tvec4 ij = vec4( st + 0.5, st + 1.5 ) / size.xyxy;\n\tvec4 ret = vec4(\n\t\ttextureLod( map, ij.xw, 0.0 )[ comp ],\n\t\ttextureLod( map, ij.zw, 0.0 )[ comp ],\n\t\ttextureLod( map, ij.zy, 0.0 )[ comp ],\n\t\ttextureLod( map, ij.xy, 0.0 )[ comp ]\n\t);\n\treturn flipY ? ret.wzyx : ret;\n}\n"),textureGatherArray:new jT("\nvec4 tsl_textureGather_array( const int comp, sampler2DArray map, vec3 coord, ivec2 offset, bool flipY ) {\n\tif ( flipY ) offset.y = - offset.y;\n\tvec2 size = vec2( textureSize( map, 0 ).xy );\n\tvec2 st = floor( coord.xy * size + vec2( offset ) - 0.5 );\n\tvec4 ij = vec4( st + 0.5, st + 1.5 ) / size.xyxy;\n\tvec4 ret = vec4(\n\t\ttextureLod( map, vec3( ij.xw, coord.z ), 0.0 )[ comp ],\n\t\ttextureLod( map, vec3( ij.zw, coord.z ), 0.0 )[ comp ],\n\t\ttextureLod( map, vec3( ij.zy, coord.z ), 0.0 )[ comp ],\n\t\ttextureLod( map, vec3( ij.xy, coord.z ), 0.0 )[ comp ]\n\t);\n\treturn flipY ? ret.wzyx : ret;\n}\n"),textureGatherCompare:new jT("\nvec4 tsl_textureGatherCompare( sampler2DShadow map, vec2 coord, ivec2 offset, float ref, bool flipY ) {\n\tif ( flipY ) offset.y = - offset.y;\n\tvec2 size = vec2( textureSize( map, 0 ) );\n\tvec2 st = floor( coord * size + vec2( offset ) - 0.5 );\n\tvec4 ij = vec4( st + 0.5, st + 1.5 ) / size.xyxy;\n\tvec4 ret = vec4(\n\t\ttextureLod( map, vec3( ij.xw, ref ), 0.0 ),\n\t\ttextureLod( map, vec3( ij.zw, ref ), 0.0 ),\n\t\ttextureLod( map, vec3( ij.zy, ref ), 0.0 ),\n\t\ttextureLod( map, vec3( ij.xy, ref ), 0.0 )\n\t);\n\treturn flipY ? ret.wzyx : ret;\n}\n"),textureGatherCompareArray:new jT("\nvec4 tsl_textureGatherCompare_array( sampler2DArrayShadow map, vec3 coord, ivec2 offset, float ref, bool flipY ) {\n\tif ( flipY ) offset.y = - offset.y;\n\tvec2 size = vec2( textureSize( map, 0 ).xy );\n\tvec2 st = floor( coord.xy * size + vec2( offset ) - 0.5 );\n\tvec4 ij = vec4( st + 0.5, st + 1.5 ) / size.xyxy;\n\tvec4 ret = vec4(\n\t\ttexture( map, vec4( ij.xw, coord.z, ref ) ),\n\t\ttexture( map, vec4( ij.zw, coord.z, ref ) ),\n\t\ttexture( map, vec4( ij.zy, coord.z, ref ) ),\n\t\ttexture( map, vec4( ij.xy, coord.z, ref ) )\n\t);\n\treturn flipY ? ret.wzyx : ret;\n}\n")},YR={textureDimensions:"textureSize",equals:"equal",bitcast_float_int:"floatBitsToInt",bitcast_int_float:"intBitsToFloat",bitcast_uint_float:"uintBitsToFloat",bitcast_float_uint:"floatBitsToUint",bitcast_uint_int:"tsl_bitcast_uint_to_int",bitcast_int_uint:"tsl_bitcast_int_to_uint",floatpack_snorm_2x16:"packSnorm2x16",floatpack_unorm_2x16:"packUnorm2x16",floatpack_float16_2x16:"packHalf2x16",floatunpack_snorm_2x16:"unpackSnorm2x16",floatunpack_unorm_2x16:"unpackUnorm2x16",floatunpack_float16_2x16:"unpackHalf2x16"},QR={low:"lowp",medium:"mediump",high:"highp"},KR={swizzleAssign:!0,storageBuffer:!1},ZR={perspective:"smooth",linear:"noperspective"},JR={centroid:"centroid"},eE="\nprecision highp float;\nprecision highp int;\nprecision highp sampler2D;\nprecision highp sampler3D;\nprecision highp samplerCube;\nprecision highp sampler2DArray;\n\nprecision highp usampler2D;\nprecision highp usampler3D;\nprecision highp usamplerCube;\nprecision highp usampler2DArray;\n\nprecision highp isampler2D;\nprecision highp isampler3D;\nprecision highp isamplerCube;\nprecision highp isampler2DArray;\n\nprecision highp sampler2DShadow;\nprecision highp sampler2DArrayShadow;\nprecision highp samplerCubeShadow;\n";class tE extends BS{constructor(e,t){super(e,t,new ZS),this.uniformGroups={},this.transforms=[],this.extensions={},this.builtins={vertex:[],fragment:[],compute:[]}}needsToWorkingColorSpace(e){return!0===e.isVideoTexture&&e.colorSpace!==T}_include(e){const t=XR[e];return t.build(this),this.addInclude(t),t}getMethod(e){return void 0!==XR[e]&&this._include(e),YR[e]||e}getBitcastMethod(e,t){return this.getMethod(`bitcast_${t}_${e}`)}getFloatPackingMethod(e){return this.getMethod(`floatpack_${e}_2x16`)}getFloatUnpackingMethod(e){return this.getMethod(`floatunpack_${e}_2x16`)}getTernary(e,t,r){return`${e} ? ${t} : ${r}`}getOutputStructName(){return""}buildFunctionCode(e){const t=e.layout,r=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(this.getType(e.type)+" "+e.name);return`${this.getType(t.type)} ${t.name}( ${s.join(", ")} ) {\n\n\t${r.vars}\n\n${r.code}\n\treturn ${r.result};\n\n}`}setupPBO(e){const t=e.value;if(void 0===t.pbo){const e=t.array,r=t.count*t.itemSize,{itemSize:s}=t,i=t.array.constructor.name.toLowerCase().includes("int");let n=i?We:ze;2===s?n=i?qe:z:3===s?n=i?Ye:Xe:4===s&&(n=i?Ft:Ee);const a={Float32Array:Y,Uint8Array:Ve,Uint16Array:Ge,Uint32Array:S,Int8Array:Oe,Int16Array:ke,Int32Array:R,Uint8ClampedArray:Ve},o=Math.pow(2,Math.ceil(Math.log2(Math.sqrt(r/s))));let u=Math.ceil(r/s/o);o*u*s<r&&u++;const l=o*u*s,d=new e.constructor(l);d.set(e,0),t.array=d;const c=new xe(t.array,o,u,n,a[t.array.constructor.name]||Y);c.needsUpdate=!0,c.isPBOTexture=!0;const h=new ed(c,null,null);h.setPrecision("high"),t.pboNode=h,t.pbo=h.value,this.getUniformFromNode(t.pboNode,"texture",this.shaderStage,this.context.nodeName)}}getPropertyName(e,t=this.shaderStage){return e.isNodeUniform&&!0!==e.node.isTextureNode&&!0!==e.node.isBufferNode?e.name:super.getPropertyName(e,t)}generatePBO(e){const{node:t,indexNode:r}=e,s=t.value;if(this.renderer.backend.has(s)){this.renderer.backend.get(s).pbo=s.pbo}const i=this.getUniformFromNode(s.pboNode,"texture",this.shaderStage,this.context.nodeName),n=this.getPropertyName(i);this.increaseUsage(r);const a=r.build(this,"uint"),o=this.getDataFromNode(e);let u=o.propertyName;if(void 0===u){const r=this.getVarFromNode(e);u=this.getPropertyName(r);const i=this.getDataFromNode(t);let l=i.propertySizeName;void 0===l&&(l=u+"Size",this.getVarFromNode(t,l,"uint"),this.addLineFlowCode(`${l} = uint( textureSize( ${n}, 0 ).x )`,e),i.propertySizeName=l);const{itemSize:d}=s,c="."+di.join("").slice(0,d),h=`ivec2(${a} % ${l}, ${a} / ${l})`,p=this.generateTextureLoad(null,n,h,"0",null,null);let g="vec4";s.pbo.type===S?g="uvec4":s.pbo.type===R&&(g="ivec4"),this.addLineFlowCode(`${u} = ${g}(${p})${c}`,e),o.propertyName=u}return u}generateTextureLoad(e,t,r,s,i,n){let a;return null===s&&(s="0"),a=i?n?`texelFetchOffset( ${t}, ivec3( ${r}, ${i} ), int( ${s} ), ${n} )`:`texelFetch( ${t}, ivec3( ${r}, ${i} ), int( ${s} ) )`:n?`texelFetchOffset( ${t}, ${r}, int( ${s} ), ${n} )`:`texelFetch( ${t}, ${r}, int( ${s} ) )`,null!==e&&e.isDepthTexture&&(a+=".x"),a}generateTexture(e,t,r,s,i){return s&&(r=`vec3( ${r}, ${s} )`),e.isDepthTexture?i?`textureOffset( ${t}, ${r}, ${i} ).x`:`texture( ${t}, ${r} ).x`:i?`textureOffset( ${t}, ${r}, ${i} )`:`texture( ${t}, ${r} )`}generateTextureLevel(e,t,r,s,i,n){return i&&(r=`vec3( ${r}, ${i} )`),n?`textureLodOffset( ${t}, ${r}, ${s}, ${n} )`:`textureLod( ${t}, ${r}, ${s} )`}generateTextureBias(e,t,r,s,i,n){return i&&(r=`vec3( ${r}, ${i} )`),n?`textureOffset( ${t}, ${r}, ${n}, ${s} )`:`texture( ${t}, ${r}, ${s} )`}generateTextureGrad(e,t,r,s,i,n){return i&&(r=`vec3( ${r}, ${i} )`),n?`textureGradOffset( ${t}, ${r}, ${s[0]}, ${s[1]}, ${n} )`:`textureGrad( ${t}, ${r}, ${s[0]}, ${s[1]} )`}generateTextureCompare(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return e.isCubeTexture?`texture( ${t}, vec4( ${r}, ${s} ) )`:i?n?`textureOffset( ${t}, vec4( ${r}, ${i}, ${s} ), ${n} )`:`texture( ${t}, vec4( ${r}, ${i}, ${s} ) )`:n?`textureOffset( ${t}, vec3( ${r}, ${s} ), ${n} )`:`texture( ${t}, vec3( ${r}, ${s} ) )`;o(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${a} shader.`)}generateTextureGather(e,t,r,s,i,n,a){return e.isDepthTexture&&(s="0"),null===n&&(n="ivec2( 0 )"),null===a&&(a="false"),i?(this._include("textureGatherArray"),`tsl_textureGather_array( ${s}, ${t}, vec3( ${r}, ${i} ), ${n}, ${a} )`):(this._include("textureGather"),`tsl_textureGather( ${s}, ${t}, ${r}, ${n}, ${a} )`)}generateTextureGatherCompare(e,t,r,s,i,n,a){return null===n&&(n="ivec2( 0 )"),null===a&&(a="false"),i?(this._include("textureGatherCompareArray"),`tsl_textureGatherCompare_array( ${t}, vec3( ${r}, ${i} ), ${n}, ${s}, ${a} )`):(this._include("textureGatherCompare"),`tsl_textureGatherCompare( ${t}, ${r}, ${n}, ${s}, ${a} )`)}getUniforms(e){const t=this.uniforms[e],r=[],s={};for(const e of t){let t=null,i=!1;if("texture"===e.type||"texture3D"===e.type){const r=e.node,s=r.value;let i="";!0!==s.isDataTexture&&!0!==s.isData3DTexture||(s.type===S?i="u":s.type===R&&(i="i")),t="texture3D"===e.type&&!1===s.isArrayTexture?`${i}sampler3D ${e.name};`:s.compareFunction&&null!==r.compareNode?!0===s.isArrayTexture?`sampler2DArrayShadow ${e.name};`:`sampler2DShadow ${e.name};`:!0===s.isArrayTexture||!0===s.isDataArrayTexture||!0===s.isCompressedArrayTexture?`${i}sampler2DArray ${e.name};`:`${i}sampler2D ${e.name};`}else if("cubeTexture"===e.type)t=`samplerCube ${e.name};`;else if("cubeDepthTexture"===e.type){t=e.node.value.compareFunction?`samplerCubeShadow ${e.name};`:`samplerCube ${e.name};`}else if("buffer"===e.type){const r=e.node,s=this.getType(r.bufferType),i=r.bufferCount,n=i>0?i:"";t=`${r.name} {\n\t${s} ${e.name}[${n}];\n};\n`}else{const t=e.groupNode.name;if(void 0===s[t]){const e=this.uniformGroups[t];if(void 0!==e){const r=[];for(const t of e.uniforms){const e=t.getType(),s=this.getVectorType(e),i=t.nodeUniform.node.precision;let n=`${s} ${t.name};`;null!==i&&(n=QR[i]+" "+n),r.push("\t"+n)}s[t]=r}}i=!0}if(!i){const s=e.node.precision;null!==s&&(t=QR[s]+" "+t),t="uniform "+t,r.push(t)}}let i="";for(const e in s){const t=s[e];i+=this._getGLSLUniformStruct(e,t.join("\n"))+"\n"}return i+=r.join("\n"),i}getTypeFromAttribute(e){let t=super.getTypeFromAttribute(e);if(/^[iu]/.test(t)&&e.gpuType!==R){let r=e;e.isInterleavedBufferAttribute&&(r=e.data);const s=r.array;!1==(s instanceof Uint32Array||s instanceof Int32Array)&&(t=t.slice(1))}return t}getAttributes(e){let t="";if("vertex"===e||"compute"===e){const e=this.getAttributesArray();let r=0;for(const s of e)t+=`layout( location = ${r++} ) in ${s.type} ${s.name};\n`}return t}getStructMembers(e){const t=[];for(const r of e.members)t.push(`\t${r.type} ${r.name};`);return t.join("\n")}getStructs(e){const t=[],r=this.structs[e],s=[];for(const e of r)if(e.output)for(const t of e.members)s.push(`layout( location = ${t.index} ) out ${t.type} ${t.name};`);else{let r="struct "+e.name+" {\n";r+=this.getStructMembers(e),r+="\n};\n",t.push(r)}return"fragment"===e&&0===s.length&&s.push(`layout( location = 0 ) out ${this.getOutputType()} fragColor;`),"\n"+s.join("\n")+"\n\n"+t.join("\n")}getVaryings(e){let t="";const r=this.varyings;if("vertex"===e||"compute"===e)for(const s of r){"compute"===e&&(s.needsInterpolation=!0);const r=this.getType(s.type);if(s.needsInterpolation)if(s.interpolationType){t+=`${ZR[s.interpolationType]||s.interpolationType} ${JR[s.interpolationSampling]||""} out ${r} ${s.name};\n`}else{t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}out ${r} ${s.name};\n`}else t+=`${r} ${s.name};\n`}else if("fragment"===e)for(const e of r)if(e.needsInterpolation){const r=this.getType(e.type);if(e.interpolationType){t+=`${ZR[e.interpolationType]||e.interpolationType} ${JR[e.interpolationSampling]||""} in ${r} ${e.name};\n`}else{t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}in ${r} ${e.name};\n`}}for(const r of this.builtins[e])t+=`${r};\n`;return t}getVertexIndex(){return"uint( gl_VertexID )"}getInstanceIndex(){return"uint( gl_InstanceID )"}getInvocationLocalIndex(){return`uint( gl_InstanceID ) % ${this.object.workgroupSize.reduce((e,t)=>e*t,1)}u`}getSubgroupSize(){o("GLSLNodeBuilder: WebGLBackend does not support the subgroupSize node")}getInvocationSubgroupIndex(){o("GLSLNodeBuilder: WebGLBackend does not support the invocationSubgroupIndex node")}getSubgroupIndex(){o("GLSLNodeBuilder: WebGLBackend does not support the subgroupIndex node")}getDrawIndex(){return this.renderer.backend.extensions.has("WEBGL_multi_draw")?"uint( gl_DrawID )":"nodeUniformDrawId"}getFrontFacing(){return"gl_FrontFacing"}getFragCoord(){return"gl_FragCoord.xy"}getFragDepth(){return"gl_FragDepth"}enableExtension(e,t,r=this.shaderStage){const s=this.extensions[r]||(this.extensions[r]=new Map);!1===s.has(e)&&s.set(e,{name:e,behavior:t})}getExtensions(e){const t=[];if("vertex"===e){const t=this.renderer.backend.extensions;this.object.isBatchedMesh&&t.has("WEBGL_multi_draw")&&this.enableExtension("GL_ANGLE_multi_draw","require",e)}const r=this.extensions[e];if(void 0!==r)for(const{name:e,behavior:s}of r.values())t.push(`#extension ${e} : ${s}`);return t.join("\n")}getClipDistance(){return"gl_ClipDistance"}isAvailable(e){let t=KR[e];if(void 0===t){let r;switch(t=!1,e){case"float32Filterable":r="OES_texture_float_linear";break;case"clipDistance":r="WEBGL_clip_cull_distance"}if(void 0!==r){const e=this.renderer.backend.extensions;e.has(r)&&(e.get(r),t=!0)}KR[e]=t}return t}isFlipY(){return!0}enableHardwareClipping(e){this.enableExtension("GL_ANGLE_clip_cull_distance","require"),this.builtins.vertex.push(`out float gl_ClipDistance[ ${e} ]`)}enableMultiview(){this.enableExtension("GL_OVR_multiview2","require","fragment"),this.enableExtension("GL_OVR_multiview2","require","vertex"),this.builtins.vertex.push("layout(num_views = 2) in")}registerTransform(e,t){this.transforms.push({varyingName:e,attributeNode:t})}getTransforms(){const e=this.transforms;let t="";for(let r=0;r<e.length;r++){const s=e[r],i=this.getPropertyName(s.attributeNode);i&&(t+=`${s.varyingName} = ${i};\n\t`)}return t}_getGLSLUniformStruct(e,t){return`\nlayout( std140 ) uniform ${e} {\n${t}\n};`}_getGLSLVertexCode(e){return`#version 300 es\n\n${this.getSignature()}\n\n// extensions\n${e.extensions}\n\n// precision\n${eE}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\n\n// attributes\n${e.attributes}\n\n// vars\n${e.vars}\n\n// codes\n${e.codes}\n\nvoid main() {\n\n\t// transforms\n\t${e.transforms}\n\n\t// flow\n\t${e.flow}\n\n\tgl_PointSize = 1.0;\n\n}\n`}_getGLSLFragmentCode(e){return`#version 300 es\n\n${this.getSignature()}\n\n// extensions\n${e.extensions}\n\n// precision\n${eE}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\n\n// vars\n${e.vars}\n\n// codes\n${e.codes}\n\nvoid main() {\n\n\t// flow\n\t${e.flow}\n\n}\n`}buildCode(){const e=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){let r="// code\n\n";r+=this.flowCode[t];const s=this.flowNodes[t],i=s[s.length-1];for(const e of s){const s=this.getFlowData(e),n=e.name;n&&(r.length>0&&(r+="\n"),r+=`\t// flow -> ${n}\n\t`),r+=`${s.code}\n\t`,e===i&&"compute"!==t&&(r+="// result\n\t","vertex"===t?(r+="gl_Position = ",r+=`${this.format(s.result,i.getNodeType(this),"vec4")};`):"fragment"===t&&(e.outputNode.isOutputStructNode||(r+="fragColor = ",r+=`${this.format(s.result,i.getNodeType(this),this.getOutputType())};`)))}const n=e[t];if(n.extensions=this.getExtensions(t),n.uniforms=this.getUniforms(t),n.attributes=this.getAttributes(t),n.varyings=this.getVaryings(t),n.vars=this.getVars(t,!0),n.structs=this.getStructs(t),n.codes=this.getCodes(t),n.transforms=this.getTransforms(t),n.flow=r,"vertex"===t){const e=this.renderer.backend.extensions;this.object.isBatchedMesh&&!1===e.has("WEBGL_multi_draw")&&(n.uniforms+="\nuniform uint nodeUniformDrawId;\n")}}null!==this.material?(this.vertexShader=this._getGLSLVertexCode(e.vertex),this.fragmentShader=this._getGLSLFragmentCode(e.fragment)):this.computeShader=this._getGLSLVertexCode(e.compute)}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);let a=n.uniformGPU;if(void 0===a){const s=e.groupNode,o=s.name,u=this.getBindGroupArray(o,r);if("texture"===t)a=new HR(i.name,i.node,s),u.push(a);else if("cubeTexture"===t||"cubeDepthTexture"===t)a=new jR(i.name,i.node,s),u.push(a);else if("texture3D"===t)a=new qR(i.name,i.node,s),u.push(a);else if("buffer"===t){i.name=`buffer${e.id}`;const t=this.getSharedDataFromNode(e);let r=t.buffer;void 0===r&&(e.name=`NodeBuffer_${e.id}`,r=new OR(e,s),r.name=e.name,t.buffer=r),u.push(r),a=r}else{let e=this.uniformGroups[o];void 0===e?(e=new GR(o,s),this.uniformGroups[o]=e,u.push(e)):-1===u.indexOf(e)&&u.push(e),a=this.getNodeUniform(i,t);const r=a.name;e.uniforms.some(e=>e.name===r)||e.addUniform(a)}n.uniformGPU=a}return i}}let rE=null,sE=null;class iE{constructor(e={}){this.parameters=Object.assign({},e),this.data=new WeakMap,this.renderer=null,this.domElement=null,this.timestampQueryPool={[Pt.RENDER]:null,[Pt.COMPUTE]:null},this.trackTimestamp=!0===e.trackTimestamp}async init(e){this.renderer=e}get coordinateSystem(){}beginRender(){}finishRender(){}setXRTarget(){}beginCompute(){}finishCompute(){}draw(){}compute(){}createProgram(){}destroyProgram(){}createBindings(){}updateBindings(){}updateBinding(){}createRenderPipeline(){}createComputePipeline(){}needsRenderUpdate(){}getRenderCacheKey(){}createNodeBuilder(){}updateSampler(){}createDefaultTexture(){}createTexture(){}updateTexture(){}generateMipmaps(){}destroyTexture(){}async copyTextureToBuffer(){}copyTextureToTexture(){}copyFramebufferToTexture(){}createAttribute(){}createIndexAttribute(){}createStorageAttribute(){}createUniformBuffer(){}destroyUniformBuffer(){}updateAttribute(){}destroyAttribute(){}getContext(){}updateSize(){}updateViewport(){}updateTimeStampUID(e){const t=this.get(e),r=this.renderer.info.frame;let s;s=!0===e.isComputeNode?"c:"+this.renderer.info.compute.frameCalls:"r:"+this.renderer.info.render.frameCalls,t.timestampUID=s+":"+e.id+":f"+r}getTimestampUID(e){return this.get(e).timestampUID}getTimestampFrames(e){const t=this.timestampQueryPool[e];return t?t.getTimestampFrames():[]}_getQueryPool(e){const t=e.startsWith("c:")?Pt.COMPUTE:Pt.RENDER;return this.timestampQueryPool[t]}getTimestamp(e){return this._getQueryPool(e).getTimestamp(e)}get hasTimestamp(){return!1}hasTimestampQuery(e){return this._getQueryPool(e).hasTimestampQuery(e)}isOccluded(){}async resolveTimestampsAsync(e="render"){if(!this.trackTimestamp)return void v("WebGPURenderer: Timestamp tracking is disabled.");const t=this.timestampQueryPool[e];if(!t)return;const r=await t.resolveQueriesAsync();return this.renderer.info[e].timestamp=r,r}async getArrayBufferAsync(){}async hasFeatureAsync(){}hasFeature(){}getDrawingBufferSize(){return rE=rE||new t,this.renderer.getDrawingBufferSize(rE)}setScissorTest(){}getClearColor(){const e=this.renderer;return sE=sE||new wb,e.getClearColor(sE),sE.getRGB(sE),sE}getDomElement(){let e=this.domElement;return null===e&&(e=void 0!==this.parameters.canvas?this.parameters.canvas:Ut(),"setAttribute"in e&&e.setAttribute("data-engine",`three.js r${_t} webgpu`),this.domElement=e),e}hasCompatibility(){return!1}initRenderTarget(){}set(e,t){this.data.set(e,t)}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}has(e){return this.data.has(e)}delete(e){this.data.delete(e)}deleteBindGroupData(){}dispose(){}}let nE,aE,oE=0;class uE{constructor(e,t){this.buffers=[e.bufferGPU,t],this.type=e.type,this.bufferType=e.bufferType,this.pbo=e.pbo,this.byteLength=e.byteLength,this.bytesPerElement=e.BYTES_PER_ELEMENT,this.version=e.version,this.isInteger=e.isInteger,this.activeBufferIndex=0,this.baseId=e.id}get id(){return`${this.baseId}|${this.activeBufferIndex}`}get bufferGPU(){return this.buffers[this.activeBufferIndex]}get transformBuffer(){return this.buffers[1^this.activeBufferIndex]}switchBuffers(){this.activeBufferIndex^=1}}class lE{constructor(e){this.backend=e}createAttribute(e,t){const r=this.backend,{gl:s}=r,i=e.array,n=e.usage||s.STATIC_DRAW,a=e.isInterleavedBufferAttribute?e.data:e,o=r.get(a);let u,l=o.bufferGPU;if(void 0===l&&(l=this._createBuffer(s,t,i,n),o.bufferGPU=l,o.bufferType=t,o.version=a.version),i instanceof Float32Array)u=s.FLOAT;else if("undefined"!=typeof Float16Array&&i instanceof Float16Array)u=s.HALF_FLOAT;else if(i instanceof Uint16Array)u=e.isFloat16BufferAttribute?s.HALF_FLOAT:s.UNSIGNED_SHORT;else if(i instanceof Int16Array)u=s.SHORT;else if(i instanceof Uint32Array)u=s.UNSIGNED_INT;else if(i instanceof Int32Array)u=s.INT;else if(i instanceof Int8Array)u=s.BYTE;else if(i instanceof Uint8Array)u=s.UNSIGNED_BYTE;else{if(!(i instanceof Uint8ClampedArray))throw new Error("THREE.WebGLBackend: Unsupported buffer data format: "+i);u=s.UNSIGNED_BYTE}let d={bufferGPU:l,bufferType:t,type:u,byteLength:i.byteLength,bytesPerElement:i.BYTES_PER_ELEMENT,version:e.version,pbo:e.pbo,isInteger:u===s.INT||u===s.UNSIGNED_INT||e.gpuType===R,id:oE++};if(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute){const e=this._createBuffer(s,t,i,n);d=new uE(d,e)}r.set(e,d)}updateAttribute(e){const t=this.backend,{gl:r}=t,s=e.array,i=e.isInterleavedBufferAttribute?e.data:e,n=t.get(i),a=n.bufferType,o=e.isInterleavedBufferAttribute?e.data.updateRanges:e.updateRanges;if(r.bindBuffer(a,n.bufferGPU),0===o.length)r.bufferSubData(a,0,s);else{for(let e=0,t=o.length;e<t;e++){const t=o[e];r.bufferSubData(a,t.start*s.BYTES_PER_ELEMENT,s,t.start,t.count)}i.clearUpdateRanges()}r.bindBuffer(a,null),n.version=i.version}destroyAttribute(e){const t=this.backend,{gl:r}=t;e.isInterleavedBufferAttribute&&t.delete(e.data);const s=t.get(e);r.deleteBuffer(s.bufferGPU),t.delete(e)}async getArrayBufferAsync(e,t=null,r=0,s=-1){const i=this.backend,{gl:n}=i,a=e.isInterleavedBufferAttribute?e.data:e,o=i.get(a),{bufferGPU:u}=o,l=-1===s?o.byteLength-r:s;let d;if(null===t)d=new Uint8Array(new ArrayBuffer(l));else if(t.isReadbackBuffer){if(!0===t._mapped)throw new Error("THREE.WebGPURenderer: ReadbackBuffer must be released before being used again.");const e=()=>{t.buffer=null,t._mapped=!1,t.removeEventListener("release",e),t.removeEventListener("dispose",e)};t.addEventListener("release",e),t.addEventListener("dispose",e),d=new Uint8Array(new ArrayBuffer(l)),t.buffer=d.buffer}else d=new Uint8Array(t);return n.bindBuffer(n.COPY_READ_BUFFER,u),n.getBufferSubData(n.COPY_READ_BUFFER,r,d),n.bindBuffer(n.COPY_READ_BUFFER,null),n.bindBuffer(n.COPY_WRITE_BUFFER,null),t&&t.isReadbackBuffer?t:d.buffer}_createBuffer(e,t,r,s){const i=e.createBuffer();return e.bindBuffer(t,i),e.bufferData(t,r,s),e.bindBuffer(t,null),i}}class dE{constructor(e){this.backend=e,this.gl=this.backend.gl,this.enabled={},this.parameters={},this.currentFlipSided=null,this.currentCullFace=null,this.currentProgram=null,this.currentBlendingEnabled=!1,this.currentBlending=null,this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentPremultipledAlpha=null,this.currentPolygonOffsetFactor=null,this.currentPolygonOffsetUnits=null,this.currentColorMask=null,this.currentDepthReversed=!1,this.currentDepthFunc=null,this.currentDepthMask=null,this.currentStencilFunc=null,this.currentStencilRef=null,this.currentStencilFuncMask=null,this.currentStencilFail=null,this.currentStencilZFail=null,this.currentStencilZPass=null,this.currentStencilMask=null,this.currentLineWidth=null,this.currentClippingPlanes=0,this.currentVAO=null,this.currentIndex=null,this.currentBoundFramebuffers={},this.currentDrawbuffers=new WeakMap,this.maxTextures=this.gl.getParameter(this.gl.MAX_TEXTURE_IMAGE_UNITS),this.currentTextureSlot=null,this.currentBoundTextures={},this.currentBoundBufferBases={},this._init()}_init(){const e=this.gl;nE={[it]:e.FUNC_ADD,[It]:e.FUNC_SUBTRACT,[Dt]:e.FUNC_REVERSE_SUBTRACT},aE={[Et]:e.ZERO,[Ht]:e.ONE,[Wt]:e.SRC_COLOR,[rt]:e.SRC_ALPHA,[zt]:e.SRC_ALPHA_SATURATE,[$t]:e.DST_COLOR,[Gt]:e.DST_ALPHA,[kt]:e.ONE_MINUS_SRC_COLOR,[st]:e.ONE_MINUS_SRC_ALPHA,[Vt]:e.ONE_MINUS_DST_COLOR,[Ot]:e.ONE_MINUS_DST_ALPHA};const t=e.getParameter(e.SCISSOR_BOX),r=e.getParameter(e.VIEWPORT);this.currentScissor=(new s).fromArray(t),this.currentViewport=(new s).fromArray(r),this._tempVec4=new s}enable(e){const{enabled:t}=this;!0!==t[e]&&(this.gl.enable(e),t[e]=!0)}disable(e){const{enabled:t}=this;!1!==t[e]&&(this.gl.disable(e),t[e]=!1)}setFlipSided(e){if(this.currentFlipSided!==e){const{gl:t}=this;e?t.frontFace(t.CW):t.frontFace(t.CCW),this.currentFlipSided=e}}setCullFace(e){const{gl:t}=this;e!==jt?(this.enable(t.CULL_FACE),e!==this.currentCullFace&&(e===qt?t.cullFace(t.BACK):e===Xt?t.cullFace(t.FRONT):t.cullFace(t.FRONT_AND_BACK))):this.disable(t.CULL_FACE),this.currentCullFace=e}setLineWidth(e){const{currentLineWidth:t,gl:r}=this;e!==t&&(r.lineWidth(e),this.currentLineWidth=e)}setMRTBlending(e,t,r){const s=this.gl,i=this.backend.drawBuffersIndexedExt;if(i)for(let n=0;n<e.length;n++){const a=e[n];let o=null;if(null!==t){const e=t.getBlendMode(a.name);e.blending===nt?o=r:e.blending!==re&&(o=e)}else o=r;null!==o?this._setMRTBlendingIndex(n,o):i.blendFuncSeparateiOES(n,s.ONE,s.ZERO,s.ONE,s.ZERO)}else v("WebGPURenderer: Multiple Render Targets (MRT) blending configuration is not fully supported in compatibility mode. The material blending will be used for all render targets.")}_setMRTBlendingIndex(e,t){const{gl:r}=this,s=this.backend.drawBuffersIndexedExt,i=t.blending,n=t.blendSrc,a=t.blendDst,o=t.blendEquation,u=t.premultipliedAlpha;if(i===Rt){const r=null!==t.blendSrcAlpha?t.blendSrcAlpha:n,i=null!==t.blendDstAlpha?t.blendDstAlpha:a,u=null!==t.blendEquationAlpha?t.blendEquationAlpha:o;s.blendEquationSeparateiOES(e,nE[o],nE[u]),s.blendFuncSeparateiOES(e,aE[n],aE[a],aE[r],aE[i])}else if(s.blendEquationSeparateiOES(e,r.FUNC_ADD,r.FUNC_ADD),u)switch(i){case tt:s.blendFuncSeparateiOES(e,r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA);break;case Kt:s.blendFuncSeparateiOES(e,r.ONE,r.ONE,r.ONE,r.ONE);break;case Qt:s.blendFuncSeparateiOES(e,r.ZERO,r.ONE_MINUS_SRC_COLOR,r.ZERO,r.ONE);break;case Yt:s.blendFuncSeparateiOES(e,r.DST_COLOR,r.ONE_MINUS_SRC_ALPHA,r.ZERO,r.ONE);break;default:s.blendFuncSeparateiOES(e,r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}else switch(i){case tt:s.blendFuncSeparateiOES(e,r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA);break;case Kt:s.blendFuncSeparateiOES(e,r.SRC_ALPHA,r.ONE,r.ONE,r.ONE);break;case Qt:s.blendFuncSeparateiOES(e,r.ZERO,r.ONE_MINUS_SRC_COLOR,r.ZERO,r.ONE);break;case Yt:s.blendFuncSeparateiOES(e,r.DST_COLOR,r.ONE_MINUS_SRC_ALPHA,r.ZERO,r.ONE);break;default:s.blendFuncSeparateiOES(e,r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}}setBlending(e,t,r,s,i,n,a,u){const{gl:l}=this;if(e!==re){if(!1===this.currentBlendingEnabled&&(this.enable(l.BLEND),this.currentBlendingEnabled=!0),e===Rt)i=i||t,n=n||r,a=a||s,t===this.currentBlendEquation&&i===this.currentBlendEquationAlpha||(l.blendEquationSeparate(nE[t],nE[i]),this.currentBlendEquation=t,this.currentBlendEquationAlpha=i),r===this.currentBlendSrc&&s===this.currentBlendDst&&n===this.currentBlendSrcAlpha&&a===this.currentBlendDstAlpha||(l.blendFuncSeparate(aE[r],aE[s],aE[n],aE[a]),this.currentBlendSrc=r,this.currentBlendDst=s,this.currentBlendSrcAlpha=n,this.currentBlendDstAlpha=a),this.currentBlending=e,this.currentPremultipledAlpha=!1;else if(e!==this.currentBlending||u!==this.currentPremultipledAlpha){if(this.currentBlendEquation===it&&this.currentBlendEquationAlpha===it||(l.blendEquation(l.FUNC_ADD),this.currentBlendEquation=it,this.currentBlendEquationAlpha=it),u)switch(e){case tt:l.blendFuncSeparate(l.ONE,l.ONE_MINUS_SRC_ALPHA,l.ONE,l.ONE_MINUS_SRC_ALPHA);break;case Kt:l.blendFunc(l.ONE,l.ONE);break;case Qt:l.blendFuncSeparate(l.ZERO,l.ONE_MINUS_SRC_COLOR,l.ZERO,l.ONE);break;case Yt:l.blendFuncSeparate(l.DST_COLOR,l.ONE_MINUS_SRC_ALPHA,l.ZERO,l.ONE);break;default:o("WebGLState: Invalid blending: ",e)}else switch(e){case tt:l.blendFuncSeparate(l.SRC_ALPHA,l.ONE_MINUS_SRC_ALPHA,l.ONE,l.ONE_MINUS_SRC_ALPHA);break;case Kt:l.blendFuncSeparate(l.SRC_ALPHA,l.ONE,l.ONE,l.ONE);break;case Qt:o("WebGLState: SubtractiveBlending requires material.premultipliedAlpha = true");break;case Yt:o("WebGLState: MultiplyBlending requires material.premultipliedAlpha = true");break;default:o("WebGLState: Invalid blending: ",e)}this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentBlending=e,this.currentPremultipledAlpha=u}}else!0===this.currentBlendingEnabled&&(this.disable(l.BLEND),this.currentBlendingEnabled=!1)}setColorMask(e){this.currentColorMask!==e&&(this.gl.colorMask(e,e,e,e),this.currentColorMask=e)}setDepthTest(e){const{gl:t}=this;e?this.enable(t.DEPTH_TEST):this.disable(t.DEPTH_TEST)}setReversedDepth(e){if(this.currentDepthReversed!==e){const t=this.backend.extensions.get("EXT_clip_control");e?t.clipControlEXT(t.LOWER_LEFT_EXT,t.ZERO_TO_ONE_EXT):t.clipControlEXT(t.LOWER_LEFT_EXT,t.NEGATIVE_ONE_TO_ONE_EXT),this.currentDepthReversed=e}}setDepthMask(e){this.currentDepthMask!==e&&(this.gl.depthMask(e),this.currentDepthMask=e)}setDepthFunc(e){if(this.currentDepthReversed&&(e=ar[e]),this.currentDepthFunc!==e){const{gl:t}=this;switch(e){case nr:t.depthFunc(t.NEVER);break;case ir:t.depthFunc(t.ALWAYS);break;case sr:t.depthFunc(t.LESS);break;case rr:t.depthFunc(t.LEQUAL);break;case tr:t.depthFunc(t.EQUAL);break;case er:t.depthFunc(t.GEQUAL);break;case Jt:t.depthFunc(t.GREATER);break;case Zt:t.depthFunc(t.NOTEQUAL);break;default:t.depthFunc(t.LEQUAL)}this.currentDepthFunc=e}}scissor(e,t,r,s){const i=this._tempVec4.set(e,t,r,s);if(!1===this.currentScissor.equals(i)){const{gl:e}=this;e.scissor(i.x,i.y,i.z,i.w),this.currentScissor.copy(i)}}viewport(e,t,r,s){const i=this._tempVec4.set(e,t,r,s);if(!1===this.currentViewport.equals(i)){const{gl:e}=this;e.viewport(i.x,i.y,i.z,i.w),this.currentViewport.copy(i)}}setScissorTest(e){const t=this.gl;e?this.enable(t.SCISSOR_TEST):this.disable(t.SCISSOR_TEST)}setStencilTest(e){const{gl:t}=this;e?this.enable(t.STENCIL_TEST):this.disable(t.STENCIL_TEST)}setStencilMask(e){this.currentStencilMask!==e&&(this.gl.stencilMask(e),this.currentStencilMask=e)}setStencilFunc(e,t,r){this.currentStencilFunc===e&&this.currentStencilRef===t&&this.currentStencilFuncMask===r||(this.gl.stencilFunc(e,t,r),this.currentStencilFunc=e,this.currentStencilRef=t,this.currentStencilFuncMask=r)}setStencilOp(e,t,r){this.currentStencilFail===e&&this.currentStencilZFail===t&&this.currentStencilZPass===r||(this.gl.stencilOp(e,t,r),this.currentStencilFail=e,this.currentStencilZFail=t,this.currentStencilZPass=r)}setMaterial(e,t,r){const{gl:s}=this;e.side===P?this.disable(s.CULL_FACE):this.enable(s.CULL_FACE);let i=e.side===F;t&&(i=!i),this.setFlipSided(i),e.blending===tt&&!1===e.transparent?this.setBlending(re):this.setBlending(e.blending,e.blendEquation,e.blendSrc,e.blendDst,e.blendEquationAlpha,e.blendSrcAlpha,e.blendDstAlpha,e.premultipliedAlpha),this.setDepthFunc(e.depthFunc),this.setDepthTest(e.depthTest),this.setDepthMask(e.depthWrite),this.setColorMask(e.colorWrite);const n=e.stencilWrite;if(this.setStencilTest(n),n&&(this.setStencilMask(e.stencilWriteMask),this.setStencilFunc(e.stencilFunc,e.stencilRef,e.stencilFuncMask),this.setStencilOp(e.stencilFail,e.stencilZFail,e.stencilZPass)),this.setPolygonOffset(e.polygonOffset,e.polygonOffsetFactor,e.polygonOffsetUnits),!0===e.alphaToCoverage&&this.backend.renderer.currentSamples>0?this.enable(s.SAMPLE_ALPHA_TO_COVERAGE):this.disable(s.SAMPLE_ALPHA_TO_COVERAGE),r>0&&this.currentClippingPlanes!==r){const e=12288;for(let t=0;t<8;t++)t<r?this.enable(e+t):this.disable(e+t)}}setPolygonOffset(e,t,r){const{gl:s}=this;e?(this.enable(s.POLYGON_OFFSET_FILL),this.currentPolygonOffsetFactor===t&&this.currentPolygonOffsetUnits===r||(s.polygonOffset(t,r),this.currentPolygonOffsetFactor=t,this.currentPolygonOffsetUnits=r)):this.disable(s.POLYGON_OFFSET_FILL)}useProgram(e){return this.currentProgram!==e&&(this.gl.useProgram(e),this.currentProgram=e,!0)}setVertexState(e,t=null){const r=this.gl;return(this.currentVAO!==e||this.currentIndex!==t)&&(r.bindVertexArray(e),null!==t&&r.bindBuffer(r.ELEMENT_ARRAY_BUFFER,t),this.currentVAO=e,this.currentIndex=t,!0)}resetVertexState(){const e=this.gl;e.bindVertexArray(null),e.bindBuffer(e.ELEMENT_ARRAY_BUFFER,null),this.currentVAO=null,this.currentIndex=null}bindFramebuffer(e,t){const{gl:r,currentBoundFramebuffers:s}=this;return s[e]!==t&&(r.bindFramebuffer(e,t),s[e]=t,e===r.DRAW_FRAMEBUFFER&&(s[r.FRAMEBUFFER]=t),e===r.FRAMEBUFFER&&(s[r.DRAW_FRAMEBUFFER]=t),!0)}drawBuffers(e,t){const{gl:r}=this;let s=[],i=!1;if(null!==e.textures){s=this.currentDrawbuffers.get(t),void 0===s&&(s=[],this.currentDrawbuffers.set(t,s));const n=e.textures;if(s.length!==n.length||s[0]!==r.COLOR_ATTACHMENT0){for(let e=0,t=n.length;e<t;e++)s[e]=r.COLOR_ATTACHMENT0+e;s.length=n.length,i=!0}}else s[0]!==r.BACK&&(s[0]=r.BACK,i=!0);i&&r.drawBuffers(s)}activeTexture(e){const{gl:t,currentTextureSlot:r,maxTextures:s}=this;void 0===e&&(e=t.TEXTURE0+s-1),r!==e&&(t.activeTexture(e),this.currentTextureSlot=e)}bindTexture(e,t,r){const{gl:s,currentTextureSlot:i,currentBoundTextures:n,maxTextures:a}=this;void 0===r&&(r=null===i?s.TEXTURE0+a-1:i);let o=n[r];void 0===o&&(o={type:void 0,texture:void 0},n[r]=o),o.type===e&&o.texture===t||(i!==r&&(s.activeTexture(r),this.currentTextureSlot=r),s.bindTexture(e,t),o.type=e,o.texture=t)}bindBufferBase(e,t,r){const{gl:s}=this,i=`${e}-${t}`;return this.currentBoundBufferBases[i]!==r&&(s.bindBufferBase(e,t,r),this.currentBoundBufferBases[i]=r,!0)}unbindTexture(){const{gl:e,currentTextureSlot:t,currentBoundTextures:r}=this,s=r[t];void 0!==s&&void 0!==s.type&&(e.bindTexture(s.type,null),s.type=void 0,s.texture=void 0)}getParameter(e){const{gl:t,parameters:r}=this;return void 0!==r[e]?r[e]:t.getParameter(e)}pixelStorei(e,t){const{gl:r,parameters:s}=this;s[e]!==t&&(r.pixelStorei(e,t),s[e]=t)}}class cE{constructor(e){this.backend=e,this.gl=this.backend.gl,this.extensions=e.extensions}convert(e,t=T){const{gl:r,extensions:s}=this;let i;const n=p.getTransfer(t);if(e===Ve)return r.UNSIGNED_BYTE;if(e===Qe)return r.UNSIGNED_SHORT_4_4_4_4;if(e===Ke)return r.UNSIGNED_SHORT_5_5_5_1;if(e===Je)return r.UNSIGNED_INT_5_9_9_9_REV;if(e===et)return r.UNSIGNED_INT_10F_11F_11F_REV;if(e===Oe)return r.BYTE;if(e===ke)return r.SHORT;if(e===Ge)return r.UNSIGNED_SHORT;if(e===R)return r.INT;if(e===S)return r.UNSIGNED_INT;if(e===Y)return r.FLOAT;if(e===Te)return r.HALF_FLOAT;if(e===$e)return r.ALPHA;if(e===Xe)return r.RGB;if(e===Ee)return r.RGBA;if(e===He)return r.DEPTH_COMPONENT;if(e===je)return r.DEPTH_STENCIL;if(e===ze)return r.RED;if(e===We)return r.RED_INTEGER;if(e===z)return r.RG;if(e===qe)return r.RG_INTEGER;if(e===Ft)return r.RGBA_INTEGER;if(e===or||e===ur||e===lr||e===dr)if(n===g){if(i=s.get("WEBGL_compressed_texture_s3tc_srgb"),null===i)return null;if(e===or)return i.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(e===ur)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(e===lr)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(e===dr)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(i=s.get("WEBGL_compressed_texture_s3tc"),null===i)return null;if(e===or)return i.COMPRESSED_RGB_S3TC_DXT1_EXT;if(e===ur)return i.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(e===lr)return i.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(e===dr)return i.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(e===cr||e===hr||e===pr||e===gr){if(i=s.get("WEBGL_compressed_texture_pvrtc"),null===i)return null;if(e===cr)return i.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(e===hr)return i.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(e===pr)return i.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(e===gr)return i.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(e===mr||e===fr||e===yr||e===br||e===xr||e===H||e===Tr){if(i=s.get("WEBGL_compressed_texture_etc"),null===i)return null;if(e===mr||e===fr)return n===g?i.COMPRESSED_SRGB8_ETC2:i.COMPRESSED_RGB8_ETC2;if(e===yr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:i.COMPRESSED_RGBA8_ETC2_EAC;if(e===br)return i.COMPRESSED_R11_EAC;if(e===xr)return i.COMPRESSED_SIGNED_R11_EAC;if(e===H)return i.COMPRESSED_RG11_EAC;if(e===Tr)return i.COMPRESSED_SIGNED_RG11_EAC}if(e===_r||e===vr||e===Nr||e===Sr||e===Rr||e===Er||e===wr||e===Ar||e===Cr||e===Mr||e===Br||e===Lr||e===Fr||e===Pr){if(i=s.get("WEBGL_compressed_texture_astc"),null===i)return null;if(e===_r)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:i.COMPRESSED_RGBA_ASTC_4x4_KHR;if(e===vr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:i.COMPRESSED_RGBA_ASTC_5x4_KHR;if(e===Nr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:i.COMPRESSED_RGBA_ASTC_5x5_KHR;if(e===Sr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:i.COMPRESSED_RGBA_ASTC_6x5_KHR;if(e===Rr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:i.COMPRESSED_RGBA_ASTC_6x6_KHR;if(e===Er)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:i.COMPRESSED_RGBA_ASTC_8x5_KHR;if(e===wr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:i.COMPRESSED_RGBA_ASTC_8x6_KHR;if(e===Ar)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:i.COMPRESSED_RGBA_ASTC_8x8_KHR;if(e===Cr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:i.COMPRESSED_RGBA_ASTC_10x5_KHR;if(e===Mr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:i.COMPRESSED_RGBA_ASTC_10x6_KHR;if(e===Br)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:i.COMPRESSED_RGBA_ASTC_10x8_KHR;if(e===Lr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:i.COMPRESSED_RGBA_ASTC_10x10_KHR;if(e===Fr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:i.COMPRESSED_RGBA_ASTC_12x10_KHR;if(e===Pr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:i.COMPRESSED_RGBA_ASTC_12x12_KHR}if(e===Ur||e===Dr||e===Ir){if(i=s.get("EXT_texture_compression_bptc"),null===i)return null;if(e===Ur)return n===g?i.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:i.COMPRESSED_RGBA_BPTC_UNORM_EXT;if(e===Dr)return i.COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT;if(e===Ir)return i.COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT}if(e===Or||e===Vr||e===W||e===kr){if(i=s.get("EXT_texture_compression_rgtc"),null===i)return null;if(e===Or)return i.COMPRESSED_RED_RGTC1_EXT;if(e===Vr)return i.COMPRESSED_SIGNED_RED_RGTC1_EXT;if(e===W)return i.COMPRESSED_RED_GREEN_RGTC2_EXT;if(e===kr)return i.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT}return e===Ze?r.UNSIGNED_INT_24_8:void 0!==r[e]?r[e]:null}_clientWaitAsync(){const{gl:e}=this,t=e.fenceSync(e.SYNC_GPU_COMMANDS_COMPLETE,0);return e.flush(),new Promise((r,s)=>{!function i(){const n=e.clientWaitSync(t,e.SYNC_FLUSH_COMMANDS_BIT,0);if(n===e.WAIT_FAILED)return e.deleteSync(t),void s();n!==e.TIMEOUT_EXPIRED?(e.deleteSync(t),r()):requestAnimationFrame(i)}()})}}let hE,pE,gE,mE=!1;class fE{constructor(e){this.backend=e,this.gl=e.gl,this.extensions=e.extensions,this.defaultTextures={},this._srcFramebuffer=null,this._dstFramebuffer=null,!1===mE&&(this._init(),mE=!0)}_init(){const e=this.gl;hE={[$r]:e.REPEAT,[_e]:e.CLAMP_TO_EDGE,[Gr]:e.MIRRORED_REPEAT},pE={[B]:e.NEAREST,[zr]:e.NEAREST_MIPMAP_NEAREST,[bt]:e.NEAREST_MIPMAP_LINEAR,[le]:e.LINEAR,[yt]:e.LINEAR_MIPMAP_NEAREST,[K]:e.LINEAR_MIPMAP_LINEAR},gE={[qr]:e.NEVER,[jr]:e.ALWAYS,[w]:e.LESS,[A]:e.LEQUAL,[Hr]:e.EQUAL,[M]:e.GEQUAL,[C]:e.GREATER,[Wr]:e.NOTEQUAL}}getGLTextureType(e){const{gl:t}=this;let r;return r=!0===e.isCubeTexture?t.TEXTURE_CUBE_MAP:!0===e.isArrayTexture||!0===e.isDataArrayTexture||!0===e.isCompressedArrayTexture?t.TEXTURE_2D_ARRAY:!0===e.isData3DTexture?t.TEXTURE_3D:t.TEXTURE_2D,r}getInternalFormat(e,t,r,s,i,n=!1){const{gl:a,extensions:o}=this;if(null!==e){if(void 0!==a[e])return a[e];d("WebGLBackend: Attempt to use non-existing WebGL internal format '"+e+"'")}let u=null;s&&(u=o.get("EXT_texture_norm16"),u||d("WebGLRenderer: Unable to use normalized textures without EXT_texture_norm16 extension"));let l=t;if(t===a.RED&&(r===a.FLOAT&&(l=a.R32F),r===a.HALF_FLOAT&&(l=a.R16F),r===a.UNSIGNED_BYTE&&(l=a.R8),r===a.BYTE&&(l=a.R8_SNORM),r===a.UNSIGNED_SHORT&&u&&(l=u.R16_EXT),r===a.SHORT&&u&&(l=u.R16_SNORM_EXT)),t===a.RED_INTEGER&&(r===a.UNSIGNED_BYTE&&(l=a.R8UI),r===a.UNSIGNED_SHORT&&(l=a.R16UI),r===a.UNSIGNED_INT&&(l=a.R32UI),r===a.BYTE&&(l=a.R8I),r===a.SHORT&&(l=a.R16I),r===a.INT&&(l=a.R32I)),t===a.RG&&(r===a.FLOAT&&(l=a.RG32F),r===a.HALF_FLOAT&&(l=a.RG16F),r===a.UNSIGNED_BYTE&&(l=a.RG8),r===a.BYTE&&(l=a.RG8_SNORM),r===a.UNSIGNED_SHORT&&u&&(l=u.RG16_EXT),r===a.SHORT&&u&&(l=u.RG16_SNORM_EXT)),t===a.RG_INTEGER&&(r===a.UNSIGNED_BYTE&&(l=a.RG8UI),r===a.UNSIGNED_SHORT&&(l=a.RG16UI),r===a.UNSIGNED_INT&&(l=a.RG32UI),r===a.BYTE&&(l=a.RG8I),r===a.SHORT&&(l=a.RG16I),r===a.INT&&(l=a.RG32I)),t===a.RGB){const e=n?Xr:p.getTransfer(i);r===a.FLOAT&&(l=a.RGB32F),r===a.HALF_FLOAT&&(l=a.RGB16F),r===a.UNSIGNED_BYTE&&(l=e===g?a.SRGB8:a.RGB8),r===a.BYTE&&(l=a.RGB8_SNORM),r===a.UNSIGNED_SHORT&&u&&(l=u.RGB16_EXT),r===a.SHORT&&u&&(l=u.RGB16_SNORM_EXT),r===a.UNSIGNED_SHORT_5_6_5&&(l=a.RGB565),r===a.UNSIGNED_SHORT_5_5_5_1&&(l=a.RGB5_A1),r===a.UNSIGNED_SHORT_4_4_4_4&&(l=a.RGB4),r===a.UNSIGNED_INT_5_9_9_9_REV&&(l=a.RGB9_E5),r===a.UNSIGNED_INT_10F_11F_11F_REV&&(l=a.R11F_G11F_B10F)}if(t===a.RGB_INTEGER&&(r===a.UNSIGNED_BYTE&&(l=a.RGB8UI),r===a.UNSIGNED_SHORT&&(l=a.RGB16UI),r===a.UNSIGNED_INT&&(l=a.RGB32UI),r===a.BYTE&&(l=a.RGB8I),r===a.SHORT&&(l=a.RGB16I),r===a.INT&&(l=a.RGB32I)),t===a.RGBA){const e=n?Xr:p.getTransfer(i);r===a.FLOAT&&(l=a.RGBA32F),r===a.HALF_FLOAT&&(l=a.RGBA16F),r===a.UNSIGNED_BYTE&&(l=e===g?a.SRGB8_ALPHA8:a.RGBA8),r===a.BYTE&&(l=a.RGBA8_SNORM),r===a.UNSIGNED_SHORT&&u&&(l=u.RGBA16_EXT),r===a.SHORT&&u&&(l=u.RGBA16_SNORM_EXT),r===a.UNSIGNED_SHORT_4_4_4_4&&(l=a.RGBA4),r===a.UNSIGNED_SHORT_5_5_5_1&&(l=a.RGB5_A1)}return t===a.RGBA_INTEGER&&(r===a.UNSIGNED_BYTE&&(l=a.RGBA8UI),r===a.UNSIGNED_SHORT&&(l=a.RGBA16UI),r===a.UNSIGNED_INT&&(l=a.RGBA32UI),r===a.BYTE&&(l=a.RGBA8I),r===a.SHORT&&(l=a.RGBA16I),r===a.INT&&(l=a.RGBA32I)),t===a.DEPTH_COMPONENT&&(r===a.UNSIGNED_SHORT&&(l=a.DEPTH_COMPONENT16),r===a.UNSIGNED_INT&&(l=a.DEPTH_COMPONENT24),r===a.FLOAT&&(l=a.DEPTH_COMPONENT32F)),t===a.DEPTH_STENCIL&&r===a.UNSIGNED_INT_24_8&&(l=a.DEPTH24_STENCIL8),l!==a.R16F&&l!==a.R32F&&l!==a.RG16F&&l!==a.RG32F&&l!==a.RGBA16F&&l!==a.RGBA32F||o.get("EXT_color_buffer_float"),l}setTextureParameters(e,t){const{gl:r,extensions:s,backend:i}=this,{state:n}=this.backend,a=p.getPrimaries(p.workingColorSpace),o=t.colorSpace===T?null:p.getPrimaries(t.colorSpace),u=t.colorSpace===T||a===o?r.NONE:r.BROWSER_DEFAULT_WEBGL;n.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,t.flipY),n.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),n.pixelStorei(r.UNPACK_ALIGNMENT,t.unpackAlignment),n.pixelStorei(r.UNPACK_COLORSPACE_CONVERSION_WEBGL,u),r.texParameteri(e,r.TEXTURE_WRAP_S,hE[t.wrapS]),r.texParameteri(e,r.TEXTURE_WRAP_T,hE[t.wrapT]),e!==r.TEXTURE_3D&&e!==r.TEXTURE_2D_ARRAY||t.isArrayTexture||r.texParameteri(e,r.TEXTURE_WRAP_R,hE[t.wrapR]),r.texParameteri(e,r.TEXTURE_MAG_FILTER,pE[t.magFilter]);const l=void 0!==t.mipmaps&&t.mipmaps.length>0,d=t.minFilter===le&&l?K:t.minFilter;if(r.texParameteri(e,r.TEXTURE_MIN_FILTER,pE[d]),t.compareFunction&&(r.texParameteri(e,r.TEXTURE_COMPARE_MODE,r.COMPARE_REF_TO_TEXTURE),r.texParameteri(e,r.TEXTURE_COMPARE_FUNC,gE[t.compareFunction])),!0===s.has("EXT_texture_filter_anisotropic")){if(t.magFilter===B)return;if(t.minFilter!==bt&&t.minFilter!==K)return;if(t.type===Y&&!1===s.has("OES_texture_float_linear"))return;if(t.anisotropy>1){const n=s.get("EXT_texture_filter_anisotropic");r.texParameterf(e,n.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(t.anisotropy,i.capabilities.getMaxAnisotropy()))}}}createDefaultTexture(e){const{gl:t,backend:r,defaultTextures:s}=this,i=this.getGLTextureType(e);let n=s[i];void 0===n&&(n=t.createTexture(),r.state.bindTexture(i,n),t.texParameteri(i,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(i,t.TEXTURE_MAG_FILTER,t.NEAREST),s[i]=n),r.set(e,{textureGPU:n,glTextureType:i})}createTexture(e,t){const{gl:r,backend:s}=this,{levels:i,width:n,height:a,depth:o}=t,u=s.utils.convert(e.format,e.colorSpace),l=s.utils.convert(e.type),d=this.getInternalFormat(e.internalFormat,u,l,e.normalized,e.colorSpace,e.isVideoTexture),c=r.createTexture(),h=this.getGLTextureType(e);s.state.bindTexture(h,c),this.setTextureParameters(h,e),e.isArrayTexture||e.isDataArrayTexture||e.isCompressedArrayTexture?r.texStorage3D(r.TEXTURE_2D_ARRAY,i,d,n,a,o):e.isData3DTexture?r.texStorage3D(r.TEXTURE_3D,i,d,n,a,o):e.isVideoTexture||r.texStorage2D(h,i,d,n,a),s.set(e,{textureGPU:c,glTextureType:h,glFormat:u,glType:l,glInternalFormat:d})}copyBufferToTexture(e,t){const{gl:r,backend:s}=this,{state:i}=s,{textureGPU:n,glTextureType:a,glFormat:o,glType:u}=s.get(t),{width:l,height:d}=t.source.data;r.bindBuffer(r.PIXEL_UNPACK_BUFFER,e),s.state.bindTexture(a,n),i.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,!1),i.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1),r.texSubImage2D(a,0,0,0,l,d,o,u,0),r.bindBuffer(r.PIXEL_UNPACK_BUFFER,null),s.state.unbindTexture()}updateTexture(e,t){const{gl:r}=this,{width:s,height:i}=t,{textureGPU:n,glTextureType:a,glFormat:o,glType:u,glInternalFormat:l}=this.backend.get(e);if(!e.isRenderTargetTexture&&void 0!==n)if(this.backend.state.bindTexture(a,n),this.setTextureParameters(a,e),e.isCompressedTexture){const s=e.mipmaps,i=t.image;for(let t=0;t<s.length;t++){const n=s[t];e.isCompressedArrayTexture?e.format!==r.RGBA?null!==o?r.compressedTexSubImage3D(r.TEXTURE_2D_ARRAY,t,0,0,0,n.width,n.height,i.depth,o,n.data):d("WebGLBackend: Attempt to load unsupported compressed texture format in .uploadTexture()"):r.texSubImage3D(r.TEXTURE_2D_ARRAY,t,0,0,0,n.width,n.height,i.depth,o,u,n.data):null!==o?r.compressedTexSubImage2D(r.TEXTURE_2D,t,0,0,n.width,n.height,o,n.data):d("WebGLBackend: Unsupported compressed texture format")}}else if(e.isCubeTexture){const n=t.images,a=e.mipmaps;for(let e=0;e<6;e++){const t=yE(n[e]);r.texSubImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,0,0,s,i,o,u,t);for(let t=0;t<a.length;t++){const s=yE(a[t].images[e]);r.texSubImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+e,t+1,0,0,s.width,s.height,o,u,s)}}}else if(e.isDataArrayTexture||e.isArrayTexture){const s=t.image;if(e.layerUpdates.size>0){const t=Yr(s.width,s.height,e.format,e.type);for(const i of e.layerUpdates){const e=s.data.subarray(i*t/s.data.BYTES_PER_ELEMENT,(i+1)*t/s.data.BYTES_PER_ELEMENT);r.texSubImage3D(r.TEXTURE_2D_ARRAY,0,0,0,i,s.width,s.height,1,o,u,e)}e.clearLayerUpdates()}else r.texSubImage3D(r.TEXTURE_2D_ARRAY,0,0,0,0,s.width,s.height,s.depth,o,u,s.data)}else if(e.isData3DTexture){const e=t.image;r.texSubImage3D(r.TEXTURE_3D,0,0,0,0,e.width,e.height,e.depth,o,u,e.data)}else if(e.isVideoTexture)e.update(),r.texImage2D(a,0,l,o,u,t.image);else if(e.isHTMLTexture)"function"==typeof r.texElementImage2D&&r.texElementImage2D(r.TEXTURE_2D,0,r.RGBA,r.RGBA,r.UNSIGNED_BYTE,t.image);else{const n=e.mipmaps;if(n.length>0)for(let e=0,t=n.length;e<t;e++){const t=n[e],s=yE(t);r.texSubImage2D(a,e,0,0,t.width,t.height,o,u,s)}else{const e=yE(t.image);r.texSubImage2D(a,0,0,0,s,i,o,u,e)}}}generateMipmaps(e){const{gl:t,backend:r}=this,{textureGPU:s,glTextureType:i}=r.get(e);r.state.bindTexture(i,s),t.generateMipmap(i)}deallocateRenderBuffers(e){const{gl:t,backend:r}=this;if(e){const s=r.get(e);if(s.renderBufferStorageSetup=void 0,s.framebuffers){for(const e in s.framebuffers)t.deleteFramebuffer(s.framebuffers[e]);delete s.framebuffers}if(s.depthRenderbuffer&&(t.deleteRenderbuffer(s.depthRenderbuffer),delete s.depthRenderbuffer),s.stencilRenderbuffer&&(t.deleteRenderbuffer(s.stencilRenderbuffer),delete s.stencilRenderbuffer),s.msaaFrameBuffer&&(t.deleteFramebuffer(s.msaaFrameBuffer),delete s.msaaFrameBuffer),s.msaaRenderbuffers){for(let e=0;e<s.msaaRenderbuffers.length;e++)t.deleteRenderbuffer(s.msaaRenderbuffers[e]);delete s.msaaRenderbuffers}}}destroyTexture(e,t=!1){const{gl:r,backend:s}=this,{textureGPU:i,renderTarget:n}=s.get(e);this.deallocateRenderBuffers(n),!1===t&&r.deleteTexture(i),s.delete(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){const{gl:a,backend:o}=this,{state:u}=this.backend,{textureGPU:l,glTextureType:d,glType:c,glFormat:h}=o.get(t);let p,g,m,f,y,b,x,T,_;u.bindTexture(d,l);const v=e.isCompressedTexture?e.mipmaps[n]:e.image;if(null!==r)p=r.max.x-r.min.x,g=r.max.y-r.min.y,m=r.isBox3?r.max.z-r.min.z:1,f=r.min.x,y=r.min.y,b=r.isBox3?r.min.z:0;else{const t=Math.pow(2,-i);p=Math.floor(v.width*t),g=Math.floor(v.height*t),m=e.isDataArrayTexture||e.isArrayTexture?v.depth:e.isData3DTexture?Math.floor(v.depth*t):1,f=0,y=0,b=0}null!==s?(x=s.x,T=s.y,_=s.z):(x=0,T=0,_=0),u.pixelStorei(a.UNPACK_FLIP_Y_WEBGL,t.flipY),u.pixelStorei(a.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),u.pixelStorei(a.UNPACK_ALIGNMENT,t.unpackAlignment);const N=u.getParameter(a.UNPACK_ROW_LENGTH),S=u.getParameter(a.UNPACK_IMAGE_HEIGHT),R=u.getParameter(a.UNPACK_SKIP_PIXELS),E=u.getParameter(a.UNPACK_SKIP_ROWS),w=u.getParameter(a.UNPACK_SKIP_IMAGES);u.pixelStorei(a.UNPACK_ROW_LENGTH,v.width),u.pixelStorei(a.UNPACK_IMAGE_HEIGHT,v.height),u.pixelStorei(a.UNPACK_SKIP_PIXELS,f),u.pixelStorei(a.UNPACK_SKIP_ROWS,y),u.pixelStorei(a.UNPACK_SKIP_IMAGES,b);const A=e.isDataArrayTexture||e.isData3DTexture||t.isArrayTexture,C=t.isDataArrayTexture||t.isData3DTexture||t.isArrayTexture;if(e.isDepthTexture){const r=o.get(e),s=o.get(t),d=o.get(r.renderTarget),c=o.get(s.renderTarget),h=d.framebuffers[r.cacheKey],v=c.framebuffers[s.cacheKey],N=u.currentBoundFramebuffers[a.READ_FRAMEBUFFER]??null,S=u.currentBoundFramebuffers[a.DRAW_FRAMEBUFFER]??null;u.bindFramebuffer(a.READ_FRAMEBUFFER,h),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,v);for(let e=0;e<m;e++)A&&(a.framebufferTextureLayer(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,r.textureGPU,i,b+e),a.framebufferTextureLayer(a.DRAW_FRAMEBUFFER,a.COLOR_ATTACHMENT0,l,n,_+e)),a.blitFramebuffer(f,y,p,g,x,T,p,g,a.DEPTH_BUFFER_BIT,a.NEAREST);u.bindFramebuffer(a.READ_FRAMEBUFFER,N),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,S)}else if(0!==i||e.isRenderTargetTexture||o.has(e)){const t=o.get(e);null===this._srcFramebuffer&&(this._srcFramebuffer=a.createFramebuffer()),null===this._dstFramebuffer&&(this._dstFramebuffer=a.createFramebuffer());const r=u.currentBoundFramebuffers[a.READ_FRAMEBUFFER]??null,s=u.currentBoundFramebuffers[a.DRAW_FRAMEBUFFER]??null;u.bindFramebuffer(a.READ_FRAMEBUFFER,this._srcFramebuffer),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,this._dstFramebuffer);for(let e=0;e<m;e++)A?a.framebufferTextureLayer(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,t.textureGPU,i,b+e):a.framebufferTexture2D(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,a.TEXTURE_2D,t.textureGPU,i),C?a.framebufferTextureLayer(a.DRAW_FRAMEBUFFER,a.COLOR_ATTACHMENT0,l,n,_+e):a.framebufferTexture2D(a.DRAW_FRAMEBUFFER,a.COLOR_ATTACHMENT0,a.TEXTURE_2D,l,n),0!==i?a.blitFramebuffer(f,y,p,g,x,T,p,g,a.COLOR_BUFFER_BIT,a.NEAREST):C?a.copyTexSubImage3D(d,n,x,T,_+e,f,y,p,g):a.copyTexSubImage2D(d,n,x,T,f,y,p,g);u.bindFramebuffer(a.READ_FRAMEBUFFER,r),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,s)}else C?e.isDataTexture||e.isData3DTexture?a.texSubImage3D(d,n,x,T,_,p,g,m,h,c,v.data):t.isCompressedArrayTexture?a.compressedTexSubImage3D(d,n,x,T,_,p,g,m,h,v.data):a.texSubImage3D(d,n,x,T,_,p,g,m,h,c,v):e.isDataTexture?a.texSubImage2D(a.TEXTURE_2D,n,x,T,p,g,h,c,v.data):e.isCompressedTexture?a.compressedTexSubImage2D(a.TEXTURE_2D,n,x,T,v.width,v.height,h,v.data):a.texSubImage2D(a.TEXTURE_2D,n,x,T,p,g,h,c,v);u.pixelStorei(a.UNPACK_ROW_LENGTH,N),u.pixelStorei(a.UNPACK_IMAGE_HEIGHT,S),u.pixelStorei(a.UNPACK_SKIP_PIXELS,R),u.pixelStorei(a.UNPACK_SKIP_ROWS,E),u.pixelStorei(a.UNPACK_SKIP_IMAGES,w),0===n&&t.generateMipmaps&&a.generateMipmap(d),u.unbindTexture()}copyFramebufferToTexture(e,t,r){const{gl:s}=this,{state:i}=this.backend,{textureGPU:n}=this.backend.get(e),{x:a,y:o,z:u,w:l}=r,d=!0===e.isDepthTexture||t.renderTarget&&t.renderTarget.samples>0,c=t.renderTarget?t.renderTarget.height:this.backend.getDrawingBufferSize().y;if(d){const r=0!==a||0!==o;let d,h;if(!0===e.isDepthTexture?(d=s.DEPTH_BUFFER_BIT,h=s.DEPTH_ATTACHMENT,t.stencil&&(d|=s.STENCIL_BUFFER_BIT)):(d=s.COLOR_BUFFER_BIT,h=s.COLOR_ATTACHMENT0),r){const e=this.backend.get(t.renderTarget),r=e.framebuffers[t.getCacheKey()],h=e.msaaFrameBuffer;i.bindFramebuffer(s.DRAW_FRAMEBUFFER,r),i.bindFramebuffer(s.READ_FRAMEBUFFER,h);const p=c-o-l;s.blitFramebuffer(a,p,a+u,p+l,a,p,a+u,p+l,d,s.NEAREST),i.bindFramebuffer(s.READ_FRAMEBUFFER,r),i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,a,p,u,l),i.unbindTexture()}else{const e=s.createFramebuffer();i.bindFramebuffer(s.DRAW_FRAMEBUFFER,e),s.framebufferTexture2D(s.DRAW_FRAMEBUFFER,h,s.TEXTURE_2D,n,0),s.blitFramebuffer(0,0,u,l,0,0,u,l,d,s.NEAREST),s.deleteFramebuffer(e)}}else i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,a,c-l-o,u,l),i.unbindTexture();e.generateMipmaps&&this.generateMipmaps(e),this.backend._setFramebuffer(t)}setupRenderBufferStorage(e,t,r,s=!1){const{gl:i}=this,n=t.renderTarget,{depthTexture:a,depthBuffer:o,stencilBuffer:u,width:l,height:d}=n;if(i.bindRenderbuffer(i.RENDERBUFFER,e),o&&!u){let t=i.DEPTH_COMPONENT24;if(!0===s){this.extensions.get("WEBGL_multisampled_render_to_texture").renderbufferStorageMultisampleEXT(i.RENDERBUFFER,n.samples,t,l,d)}else r>0?(a&&a.isDepthTexture&&a.type===i.FLOAT&&(t=i.DEPTH_COMPONENT32F),i.renderbufferStorageMultisample(i.RENDERBUFFER,r,t,l,d)):i.renderbufferStorage(i.RENDERBUFFER,t,l,d);i.framebufferRenderbuffer(i.FRAMEBUFFER,i.DEPTH_ATTACHMENT,i.RENDERBUFFER,e)}else o&&u&&(r>0?i.renderbufferStorageMultisample(i.RENDERBUFFER,r,i.DEPTH24_STENCIL8,l,d):i.renderbufferStorage(i.RENDERBUFFER,i.DEPTH_STENCIL,l,d),i.framebufferRenderbuffer(i.FRAMEBUFFER,i.DEPTH_STENCIL_ATTACHMENT,i.RENDERBUFFER,e));i.bindRenderbuffer(i.RENDERBUFFER,null)}async copyTextureToBuffer(e,t,r,s,i,n){const{backend:a,gl:o}=this,{textureGPU:u,glFormat:l,glType:d}=this.backend.get(e),c=o.createFramebuffer();a.state.bindFramebuffer(o.READ_FRAMEBUFFER,c);const h=e.isCubeTexture?o.TEXTURE_CUBE_MAP_POSITIVE_X+n:o.TEXTURE_2D;o.framebufferTexture2D(o.READ_FRAMEBUFFER,o.COLOR_ATTACHMENT0,h,u,0);const p=this._getTypedArrayType(d),g=s*i*this._getBytesPerTexel(d,l),m=o.createBuffer();o.bindBuffer(o.PIXEL_PACK_BUFFER,m),o.bufferData(o.PIXEL_PACK_BUFFER,g,o.STREAM_READ),o.readPixels(t,r,s,i,l,d,0),o.bindBuffer(o.PIXEL_PACK_BUFFER,null),await a.utils._clientWaitAsync();const f=new p(g/p.BYTES_PER_ELEMENT);return o.bindBuffer(o.PIXEL_PACK_BUFFER,m),o.getBufferSubData(o.PIXEL_PACK_BUFFER,0,f),o.bindBuffer(o.PIXEL_PACK_BUFFER,null),a.state.bindFramebuffer(o.READ_FRAMEBUFFER,null),o.deleteFramebuffer(c),f}_getTypedArrayType(e){const{gl:t}=this;if(e===t.UNSIGNED_BYTE)return Uint8Array;if(e===t.UNSIGNED_SHORT_4_4_4_4)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_5_5_1)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_6_5)return Uint16Array;if(e===t.UNSIGNED_SHORT)return Uint16Array;if(e===t.UNSIGNED_INT)return Uint32Array;if(e===t.HALF_FLOAT)return Uint16Array;if(e===t.FLOAT)return Float32Array;throw new Error(`THREE.WebGLTextureUtils: Unsupported WebGL type: ${e}`)}_getBytesPerTexel(e,t){const{gl:r}=this;let s=0;return e===r.UNSIGNED_BYTE&&(s=1),e!==r.UNSIGNED_SHORT_4_4_4_4&&e!==r.UNSIGNED_SHORT_5_5_5_1&&e!==r.UNSIGNED_SHORT_5_6_5&&e!==r.UNSIGNED_SHORT&&e!==r.HALF_FLOAT||(s=2),e!==r.UNSIGNED_INT&&e!==r.FLOAT||(s=4),t===r.RGBA?4*s:t===r.RGB?3*s:t===r.ALPHA?s:void 0}dispose(){const{gl:e}=this;null!==this._srcFramebuffer&&e.deleteFramebuffer(this._srcFramebuffer),null!==this._dstFramebuffer&&e.deleteFramebuffer(this._dstFramebuffer)}}function yE(e){return e.isDataTexture?e.image.data:"undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap||"undefined"!=typeof OffscreenCanvas&&e instanceof OffscreenCanvas?e:e.data}class bE{constructor(e){this.backend=e,this.gl=this.backend.gl,this.availableExtensions=this.gl.getSupportedExtensions(),this.extensions={}}get(e){let t=this.extensions[e];return void 0===t&&(t=this.gl.getExtension(e),this.extensions[e]=t),t}has(e){return this.availableExtensions.includes(e)}}class xE{constructor(e){this.backend=e,this.maxAnisotropy=null,this.maxUniformBlockSize=null}getMaxAnisotropy(){if(null!==this.maxAnisotropy)return this.maxAnisotropy;const e=this.backend.gl,t=this.backend.extensions;if(!0===t.has("EXT_texture_filter_anisotropic")){const r=t.get("EXT_texture_filter_anisotropic");this.maxAnisotropy=e.getParameter(r.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else this.maxAnisotropy=0;return this.maxAnisotropy}getUniformBufferLimit(){if(null!==this.maxUniformBlockSize)return this.maxUniformBlockSize;const e=this.backend.gl;return this.maxUniformBlockSize=e.getParameter(e.MAX_UNIFORM_BLOCK_SIZE),this.maxUniformBlockSize}}const TE={WEBGL_multi_draw:"WEBGL_multi_draw",WEBGL_compressed_texture_astc:"texture-compression-astc",WEBGL_compressed_texture_etc:"texture-compression-etc2",WEBGL_compressed_texture_etc1:"texture-compression-etc1",WEBGL_compressed_texture_pvrtc:"texture-compression-pvrtc",WEBGL_compressed_texture_s3tc:"texture-compression-s3tc",EXT_texture_compression_bptc:"texture-compression-bc",EXT_disjoint_timer_query_webgl2:"timestamp-query",OVR_multiview2:"OVR_multiview2"};class _E{constructor(e){this.gl=e.gl,this.extensions=e.extensions,this.info=e.renderer.info,this.mode=null,this.index=0,this.type=null,this.object=null}render(e,t){const{gl:r,mode:s,object:i,type:n,info:a,index:o}=this;0!==o?r.drawElements(s,t,n,e):r.drawArrays(s,e,t),a.update(i,t,1)}renderInstances(e,t,r){const{gl:s,mode:i,type:n,index:a,object:o,info:u}=this;0!==r&&(0!==a?s.drawElementsInstanced(i,t,n,e,r):s.drawArraysInstanced(i,e,t,r),u.update(o,t,r))}renderMultiDraw(e,t,r){const{extensions:s,mode:i,object:n,info:a}=this;if(0===r)return;const o=s.get("WEBGL_multi_draw");if(null===o)for(let s=0;s<r;s++)this.render(e[s],t[s]);else{0!==this.index?o.multiDrawElementsWEBGL(i,t,0,this.type,e,0,r):o.multiDrawArraysWEBGL(i,e,0,t,0,r);let s=0;for(let e=0;e<r;e++)s+=t[e];a.update(n,s,1)}}}class vE{constructor(e=256){this.trackTimestamp=!0,this.maxQueries=e,this.currentQueryIndex=0,this.queryOffsets=new Map,this.isDisposed=!1,this.lastValue=0,this.frames=[],this.pendingResolve=!1,this.timestamps=new Map}getTimestampFrames(){return this.frames}getTimestamp(e){let t=this.timestamps.get(e);return void 0===t&&(d(`TimestampQueryPool: No timestamp available for uid ${e}.`),t=0),t}hasTimestampQuery(e){return this.timestamps.has(e)}allocateQueriesForContext(){}async resolveQueriesAsync(){}dispose(){}}class NE extends vE{constructor(e,t,r=2048){if(super(r),this.gl=e,this.type=t,this.ext=e.getExtension("EXT_disjoint_timer_query_webgl2")||e.getExtension("EXT_disjoint_timer_query"),!this.ext)return d("EXT_disjoint_timer_query not supported; timestamps will be disabled."),void(this.trackTimestamp=!1);this.queries=[];for(let t=0;t<this.maxQueries;t++)this.queries.push(e.createQuery());this.activeQuery=null,this.queryStates=new Map}allocateQueriesForContext(e){if(!this.trackTimestamp)return null;if(this.currentQueryIndex+2>this.maxQueries)return v(`WebGLTimestampQueryPool [${this.type}]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${this.type.toUpperCase()} ).`),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryStates.set(t,"inactive"),this.queryOffsets.set(e,t),t}beginQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e);if(null==t)return;if(null!==this.activeQuery)return;const r=this.queries[t];if(r)try{"inactive"===this.queryStates.get(t)&&(this.gl.beginQuery(this.ext.TIME_ELAPSED_EXT,r),this.activeQuery=t,this.queryStates.set(t,"started"))}catch(e){o("Error in beginQuery:",e),this.activeQuery=null,this.queryStates.set(t,"inactive")}}endQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e);if(null!=t&&this.activeQuery===t)try{this.gl.endQuery(this.ext.TIME_ELAPSED_EXT),this.queryStates.set(t,"ended"),this.activeQuery=null}catch(e){o("Error in endQuery:",e),this.queryStates.set(t,"inactive"),this.activeQuery=null}}async resolveQueriesAsync(){if(!this.trackTimestamp||this.pendingResolve)return this.lastValue;this.pendingResolve=!0;try{const e=new Map;for(const[t,r]of this.queryOffsets){if("ended"===this.queryStates.get(r)){const s=this.queries[r];e.set(t,this.resolveQuery(s))}}if(0===e.size)return this.lastValue;const t={},r=[];for(const[s,i]of e){const e=s.match(/^(.*):f(\d+)$/),n=parseInt(e[2]);!1===r.includes(n)&&r.push(n),void 0===t[n]&&(t[n]=0);const a=await i;this.timestamps.set(s,a),t[n]+=a}const s=t[r[r.length-1]];return this.lastValue=s,this.frames=r,this.currentQueryIndex=0,this.queryOffsets.clear(),this.queryStates.clear(),this.activeQuery=null,s}catch(e){return o("Error resolving queries:",e),this.lastValue}finally{this.pendingResolve=!1}}async resolveQuery(e){return new Promise(t=>{if(this.isDisposed)return void t(this.lastValue);let r,s=!1;const i=e=>{s||(s=!0,r&&(clearTimeout(r),r=null),t(e))},n=()=>{if(this.isDisposed)i(this.lastValue);else try{if(this.gl.getParameter(this.ext.GPU_DISJOINT_EXT))return void i(this.lastValue);if(!this.gl.getQueryParameter(e,this.gl.QUERY_RESULT_AVAILABLE))return void(r=setTimeout(n,1));const s=this.gl.getQueryParameter(e,this.gl.QUERY_RESULT);t(Number(s)/1e6)}catch(e){o("Error checking query:",e),t(this.lastValue)}};n()})}dispose(){if(!this.isDisposed&&(this.isDisposed=!0,this.trackTimestamp)){for(const e of this.queries)this.gl.deleteQuery(e);this.queries=[],this.queryStates.clear(),this.queryOffsets.clear(),this.lastValue=0,this.activeQuery=null}}}class SE extends iE{constructor(e={}){super(e),this.isWebGLBackend=!0,this.attributeUtils=null,this.extensions=null,this.capabilities=null,this.textureUtils=null,this.bufferRenderer=null,this.gl=null,this.state=null,this.utils=null,this.vaoCache={},this.transformFeedbackCache={},this.discard=!1,this.disjoint=null,this.parallel=null,this._currentContext=null,this._knownBindings=new WeakSet,this._supportsInvalidateFramebuffer="undefined"!=typeof navigator&&/OculusBrowser/g.test(navigator.userAgent),this._xrFramebuffer=null}init(e){super.init(e);const t=this.parameters,r={antialias:e.currentSamples>0,alpha:!0,depth:e.depth,stencil:e.stencil},s=void 0!==t.context?t.context:e.domElement.getContext("webgl2",r);function i(t){t.preventDefault();const r={api:"WebGL",message:t.statusMessage||"Unknown reason",reason:null,originalEvent:t};e.onDeviceLost(r)}this._onContextLost=i,e.domElement.addEventListener("webglcontextlost",i,!1),this.gl=s,this.extensions=new bE(this),this.capabilities=new xE(this),this.attributeUtils=new lE(this),this.textureUtils=new fE(this),this.bufferRenderer=new _E(this),this.state=new dE(this),this.utils=new cE(this),this.extensions.get("EXT_color_buffer_float"),this.extensions.get("WEBGL_clip_cull_distance"),this.extensions.get("OES_texture_float_linear"),this.extensions.get("EXT_color_buffer_half_float"),this.extensions.get("WEBGL_multisampled_render_to_texture"),this.extensions.get("WEBGL_render_shared_exponent"),this.extensions.get("WEBGL_multi_draw"),this.extensions.get("OVR_multiview2"),this.extensions.get("EXT_clip_control"),this.disjoint=this.extensions.get("EXT_disjoint_timer_query_webgl2"),this.parallel=this.extensions.get("KHR_parallel_shader_compile"),this.drawBuffersIndexedExt=this.extensions.get("OES_draw_buffers_indexed"),t.reversedDepthBuffer&&(this.extensions.has("EXT_clip_control")?e.reversedDepthBuffer=!0:(d("WebGPURenderer: Unable to use reversed depth buffer due to missing EXT_clip_control extension. Fallback to default depth buffer."),e.reversedDepthBuffer=!1)),e.reversedDepthBuffer&&this.state.setReversedDepth(!0)}get coordinateSystem(){return c}get hasTimestamp(){return null!==this.disjoint}async getArrayBufferAsync(e,t=null,r=0,s=-1){return await this.attributeUtils.getArrayBufferAsync(e,t,r,s)}async makeXRCompatible(){!0!==this.gl.getContextAttributes().xrCompatible&&await this.gl.makeXRCompatible()}setXRTarget(e){this._xrFramebuffer=e}setXRRenderTargetTextures(e,t,r=null){const s=this.gl;if(this.set(e.texture,{textureGPU:t,glInternalFormat:s.RGBA8}),null!==r){const t=e.stencilBuffer?s.DEPTH24_STENCIL8:s.DEPTH_COMPONENT24;this.set(e.depthTexture,{textureGPU:r,glInternalFormat:t}),!0===this.extensions.has("WEBGL_multisampled_render_to_texture")&&!0===e._autoAllocateDepthBuffer&&!1===e.multiview&&d("WebGLBackend: Render-to-texture extension was disabled because an external texture was provided"),e._autoAllocateDepthBuffer=!1}}initTimestampQuery(e,t){if(!this.disjoint||!this.trackTimestamp)return;this.timestampQueryPool[e]||(this.timestampQueryPool[e]=new NE(this.gl,e,2048));const r=this.timestampQueryPool[e];null!==r.allocateQueriesForContext(t)&&r.beginQuery(t)}prepareTimestampBuffer(e,t){if(!this.disjoint||!this.trackTimestamp)return;this.timestampQueryPool[e].endQuery(t)}getContext(){return this.gl}beginRender(e){const{state:t}=this,r=this.get(e);if(e.viewport)this.updateViewport(e);else{const{width:e,height:r}=this.getDrawingBufferSize();t.viewport(0,0,e,r)}if(e.scissor)this.updateScissor(e);else{const{width:e,height:r}=this.getDrawingBufferSize();t.scissor(0,0,e,r)}this.initTimestampQuery(Pt.RENDER,this.getTimestampUID(e)),r.previousContext=this._currentContext,this._currentContext=e,this._setFramebuffer(e),this.clear(e.clearColor,e.clearDepth,e.clearStencil,e,!1);const s=e.occlusionQueryCount;s>0&&(r.currentOcclusionQueries=r.occlusionQueries,r.currentOcclusionQueryObjects=r.occlusionQueryObjects,r.lastOcclusionObject=null,r.occlusionQueries=new Array(s),r.occlusionQueryObjects=new Array(s),r.occlusionQueryIndex=0)}finishRender(e){const{gl:t,state:r}=this,s=this.get(e),i=s.previousContext;r.resetVertexState();const n=e.occlusionQueryCount;n>0&&(n>s.occlusionQueryIndex&&t.endQuery(t.ANY_SAMPLES_PASSED),this.resolveOccludedAsync(e));const a=e.textures;if(null!==a)for(let e=0;e<a.length;e++){const t=a[e];t.generateMipmaps&&this.generateMipmaps(t)}if(this._currentContext=i,this._resolveRenderTarget(e),null!==i){if(this._setFramebuffer(i),i.viewport)this.updateViewport(i);else{const{width:e,height:t}=this.getDrawingBufferSize();r.viewport(0,0,e,t)}if(i.scissor)this.updateScissor(i);else{const{width:e,height:t}=this.getDrawingBufferSize();r.scissor(0,0,e,t)}}this.prepareTimestampBuffer(Pt.RENDER,this.getTimestampUID(e))}resolveOccludedAsync(e){const t=this.get(e),{currentOcclusionQueries:r,currentOcclusionQueryObjects:s}=t;if(r&&s){const e=new WeakSet,{gl:i}=this;t.currentOcclusionQueryObjects=null,t.currentOcclusionQueries=null;const n=()=>{let a=0;for(let t=0;t<r.length;t++){const n=r[t];null!==n&&(i.getQueryParameter(n,i.QUERY_RESULT_AVAILABLE)&&(0===i.getQueryParameter(n,i.QUERY_RESULT)&&e.add(s[t]),r[t]=null,i.deleteQuery(n),a++))}a<r.length?requestAnimationFrame(n):t.occluded=e};n()}}isOccluded(e,t){const r=this.get(e);return r.occluded&&r.occluded.has(t)}updateViewport(e){const{state:t}=this,{x:r,y:s,width:i,height:n}=e.viewportValue;t.viewport(r,e.height-n-s,i,n)}updateScissor(e){const{state:t}=this,{x:r,y:s,width:i,height:n}=e.scissorValue;t.scissor(r,e.height-n-s,i,n)}setScissorTest(e){this.state.setScissorTest(e)}getClearColor(){const e=super.getClearColor();return e.r*=e.a,e.g*=e.a,e.b*=e.a,e}clear(e,t,r,s=null,i=!0,n=!0){const{gl:a,renderer:o}=this;if(null===s){s={textures:null,clearColorValue:this.getClearColor()}}let u=0;if(e&&(u|=a.COLOR_BUFFER_BIT),t&&(u|=a.DEPTH_BUFFER_BIT),r&&(u|=a.STENCIL_BUFFER_BIT),0!==u){let l;l=s.clearColorValue?s.clearColorValue:this.getClearColor();const d=o.getClearDepth(),c=o.getClearStencil();if(t&&this.state.setDepthMask(!0),null===s.textures)a.clearColor(l.r,l.g,l.b,l.a),a.clear(u);else{if(i&&this._setFramebuffer(s),e)for(let e=0;e<s.textures.length;e++)0===e?a.clearBufferfv(a.COLOR,e,[l.r,l.g,l.b,l.a]):a.clearBufferfv(a.COLOR,e,[0,0,0,1]);t&&r?a.clearBufferfi(a.DEPTH_STENCIL,0,d,c):t?a.clearBufferfv(a.DEPTH,0,[d]):r&&a.clearBufferiv(a.STENCIL,0,[c]),i&&n&&this._resolveRenderTarget(s),i&&null!==this._currentContext&&this._currentContext!==s&&this._setFramebuffer(this._currentContext)}}}beginCompute(e){const{state:t,gl:r}=this;t.bindFramebuffer(r.FRAMEBUFFER,null),this.initTimestampQuery(Pt.COMPUTE,this.getTimestampUID(e))}compute(e,t,r,s,i=null){const{state:n,gl:a}=this;!1===this.discard&&(n.enable(a.RASTERIZER_DISCARD),this.discard=!0);const{programGPU:o,transformBuffers:u,attributes:l}=this.get(s),d=this._getVaoKey(l),c=this.vaoCache[d];void 0===c?this.vaoCache[d]=this._createVao(l):n.setVertexState(c),n.useProgram(o),this._bindUniforms(r);const h=this._getTransformFeedback(u);a.bindTransformFeedback(a.TRANSFORM_FEEDBACK,h),a.beginTransformFeedback(a.POINTS),i=null!==i?i:t.count,Array.isArray(i)?(v("WebGLBackend.compute(): The count parameter must be a single number, not an array."),i=i[0]):i&&"object"==typeof i&&i.isIndirectStorageBufferAttribute&&(v("WebGLBackend.compute(): The count parameter must be a single number, not IndirectStorageBufferAttribute"),i=t.count),l[0].isStorageInstancedBufferAttribute?a.drawArraysInstanced(a.POINTS,0,1,i):a.drawArrays(a.POINTS,0,i),a.endTransformFeedback(),a.bindTransformFeedback(a.TRANSFORM_FEEDBACK,null);for(let e=0;e<u.length;e++){const t=u[e];t.pbo&&this.has(t.pbo)&&this.textureUtils.copyBufferToTexture(t.transformBuffer,t.pbo),t.switchBuffers()}}finishCompute(e){const{state:t,gl:r}=this;this.discard=!1,t.disable(r.RASTERIZER_DISCARD),this.prepareTimestampBuffer(Pt.COMPUTE,this.getTimestampUID(e)),this._currentContext&&this._setFramebuffer(this._currentContext)}_isRenderCameraDepthArray(e){return e.depthTexture&&e.depthTexture.isArrayTexture&&e.camera.isArrayCamera}_draw(e,t,r,s,i,n){if(e.isBatchedMesh)if(!1===this.hasFeature("WEBGL_multi_draw")){const{gl:r}=this,s=r.getUniformLocation(n,"nodeUniformDrawId"),i=e._multiDrawStarts,a=e._multiDrawCounts,o=e._multiDrawCount;for(let e=0;e<o;e++)r.uniform1ui(s,e),t.render(i[e],a[e])}else t.renderMultiDraw(e._multiDrawStarts,e._multiDrawCounts,e._multiDrawCount);else i>1?t.renderInstances(r,s,i):t.render(r,s)}draw(e){const{object:t,pipeline:r,material:s,context:i,hardwareClippingPlanes:n}=e,{programGPU:a}=this.get(r),{gl:o,state:u}=this,l=this.get(i),d=e.getDrawParameters();if(null===d)return;this._bindUniforms(e.getBindings());const c=t.isMesh&&t.matrixWorld.determinant()<0;u.setMaterial(s,c,n),null!==i.mrt&&null!==i.textures&&u.setMRTBlending(i.textures,i.mrt,s),u.useProgram(a);const h=e.getAttributes(),p=this.get(h);let g=p.vaoGPU;if(void 0===g){const e=this._getVaoKey(h);g=this.vaoCache[e],void 0===g&&(g=this._createVao(h),this.vaoCache[e]=g,p.vaoGPU=g)}const m=e.getIndex(),f=null!==m?this.get(m).bufferGPU:null;u.setVertexState(g,f);const y=l.lastOcclusionObject;if(y!==t&&void 0!==y){if(null!==y&&!0===y.occlusionTest&&(o.endQuery(o.ANY_SAMPLES_PASSED),l.occlusionQueryIndex++),!0===t.occlusionTest){const e=o.createQuery();o.beginQuery(o.ANY_SAMPLES_PASSED,e),l.occlusionQueries[l.occlusionQueryIndex]=e,l.occlusionQueryObjects[l.occlusionQueryIndex]=t}l.lastOcclusionObject=t}const b=this.bufferRenderer;t.isPoints?b.mode=o.POINTS:t.isLineSegments?b.mode=o.LINES:t.isLine?b.mode=o.LINE_STRIP:t.isLineLoop?b.mode=o.LINE_LOOP:!0===s.wireframe?(u.setLineWidth(s.wireframeLinewidth*this.renderer.getPixelRatio()),b.mode=o.LINES):b.mode=o.TRIANGLES;const{vertexCount:x,instanceCount:T}=d;let{firstVertex:_}=d;if(b.object=t,null!==m){_*=m.array.BYTES_PER_ELEMENT;const e=this.get(m);b.index=m.count,b.type=e.type}else b.index=0;if(!0===e.camera.isArrayCamera&&e.camera.cameras.length>0&&!1===e.camera.isMultiViewCamera){const r=this.get(e.camera),s=e.camera.cameras,i=e.getBindingGroup("cameraIndex").bindings[0];if(void 0===r.indexesGPU||r.indexesGPU.length!==s.length){const e=new Uint32Array([0,0,0,0]),t=[];for(let r=0,i=s.length;r<i;r++){const s=o.createBuffer();e[0]=r,o.bindBuffer(o.UNIFORM_BUFFER,s),o.bufferData(o.UNIFORM_BUFFER,e,o.STATIC_DRAW),t.push(s)}r.indexesGPU=t}let n=0;e:for(const t of e.getBindings())for(const e of t.bindings){if(e===i)break e;(e.isUniformsGroup||e.isUniformBuffer)&&n++}const l=this.renderer.getPixelRatio(),d=this._currentContext.renderTarget,c=this._isRenderCameraDepthArray(this._currentContext),h=this._currentContext.activeCubeFace;if(c){const e=this.get(d.depthTexture);if(e.clearedRenderId!==this.renderer._nodes.nodeFrame.renderId){e.clearedRenderId=this.renderer._nodes.nodeFrame.renderId;const{stencilBuffer:t}=d;for(let e=0,r=s.length;e<r;e++)this.renderer._activeCubeFace=e,this._currentContext.activeCubeFace=e,this._setFramebuffer(this._currentContext),this.clear(!1,!0,t,this._currentContext,!1,!1);this.renderer._activeCubeFace=h,this._currentContext.activeCubeFace=h}}for(let i=0,d=s.length;i<d;i++){const d=s[i];if(t.layers.test(d.layers)){c&&(this.renderer._activeCubeFace=i,this._currentContext.activeCubeFace=i,this._setFramebuffer(this._currentContext));const s=d.viewport;if(void 0!==s){const t=s.x*l,r=s.y*l,i=s.width*l,n=s.height*l;u.viewport(Math.floor(t),Math.floor(e.context.height-n-r),Math.floor(i),Math.floor(n))}u.bindBufferBase(o.UNIFORM_BUFFER,n,r.indexesGPU[i]),this._draw(t,b,_,x,T,a)}this._currentContext.activeCubeFace=h,this.renderer._activeCubeFace=h}}else this._draw(t,b,_,x,T,a)}needsRenderUpdate(){return!1}getRenderCacheKey(){return""}createDefaultTexture(e){this.textureUtils.createDefaultTexture(e)}createTexture(e,t){this.textureUtils.createTexture(e,t)}updateTexture(e,t){this.textureUtils.updateTexture(e,t)}generateMipmaps(e){this.textureUtils.generateMipmaps(e)}destroyTexture(e,t=!1){this.textureUtils.destroyTexture(e,t)}async copyTextureToBuffer(e,t,r,s,i,n){return this.textureUtils.copyTextureToBuffer(e,t,r,s,i,n)}updateSampler(){return""}createNodeBuilder(e,t){return new tE(e,t)}createProgram(e){const t=this.gl,{stage:r,code:s}=e,i="fragment"===r?t.createShader(t.FRAGMENT_SHADER):t.createShader(t.VERTEX_SHADER);t.shaderSource(i,s),t.compileShader(i),this.set(e,{shaderGPU:i})}destroyProgram(e){this.delete(e)}createRenderPipeline(e,t){const r=this.gl,s=e.pipeline,{fragmentProgram:i,vertexProgram:n}=s,a=r.createProgram(),o=this.get(i).shaderGPU,u=this.get(n).shaderGPU;if(r.attachShader(a,o),r.attachShader(a,u),r.linkProgram(a),this.set(s,{programGPU:a,fragmentShader:o,vertexShader:u}),null!==t&&this.parallel){const i=new Promise(t=>{const i=this.parallel,n=()=>{r.getProgramParameter(a,i.COMPLETION_STATUS_KHR)?(this._completeCompile(e,s),t()):requestAnimationFrame(n)};n()});return void t.push(i)}this._completeCompile(e,s)}_handleSource(e,t){const r=e.split("\n"),s=[],i=Math.max(t-6,0),n=Math.min(t+6,r.length);for(let e=i;e<n;e++){const i=e+1;s.push(`${i===t?">":" "} ${i}: ${r[e]}`)}return s.join("\n")}_getShaderErrors(e,t,r){const s=e.getShaderParameter(t,e.COMPILE_STATUS),i=(e.getShaderInfoLog(t)||"").trim();if(s&&""===i)return"";const n=/ERROR: 0:(\d+)/.exec(i);if(n){const s=parseInt(n[1]);return r.toUpperCase()+"\n\n"+i+"\n\n"+this._handleSource(e.getShaderSource(t),s)}return i}_logProgramError(e,t,r){if(this.renderer.debug.checkShaderErrors){const s=this.gl,i=(s.getProgramInfoLog(e)||"").trim();if(!1===s.getProgramParameter(e,s.LINK_STATUS))if("function"==typeof this.renderer.debug.onShaderError)this.renderer.debug.onShaderError(s,e,r,t);else{const n=this._getShaderErrors(s,r,"vertex"),a=this._getShaderErrors(s,t,"fragment");o("WebGLProgram: Shader Error "+s.getError()+" - VALIDATE_STATUS "+s.getProgramParameter(e,s.VALIDATE_STATUS)+"\n\nProgram Info Log: "+i+"\n"+n+"\n"+a)}else""!==i&&d("WebGLProgram: Program Info Log:",i)}}_completeCompile(e,t){const{state:r,gl:s}=this,i=this.get(t),{programGPU:n,fragmentShader:a,vertexShader:o}=i;!1===s.getProgramParameter(n,s.LINK_STATUS)&&this._logProgramError(n,a,o),r.useProgram(n);const u=e.getBindings();this._setupBindings(u,n),this.set(t,{programGPU:n,pipeline:n})}createComputePipeline(e,t){const{state:r,gl:s}=this,i={stage:"fragment",code:"#version 300 es\nprecision highp float;\nvoid main() {}"};this.createProgram(i);const{computeProgram:n}=e,a=s.createProgram(),o=this.get(i).shaderGPU,u=this.get(n).shaderGPU,l=n.transforms,d=[],c=[];for(let e=0;e<l.length;e++){const t=l[e];d.push(t.varyingName),c.push(t.attributeNode)}s.attachShader(a,o),s.attachShader(a,u),s.transformFeedbackVaryings(a,d,s.SEPARATE_ATTRIBS),s.linkProgram(a),!1===s.getProgramParameter(a,s.LINK_STATUS)&&this._logProgramError(a,o,u),r.useProgram(a),this._setupBindings(t,a);const h=n.attributes,p=[],g=[];for(let e=0;e<h.length;e++){const t=h[e].node.attribute;p.push(t),this.has(t)||this.attributeUtils.createAttribute(t,s.ARRAY_BUFFER)}for(let e=0;e<c.length;e++){const t=c[e].attribute;this.has(t)||this.attributeUtils.createAttribute(t,s.ARRAY_BUFFER);const r=this.get(t);g.push(r)}this.set(e,{programGPU:a,transformBuffers:g,attributes:p})}createBindings(e,t){if(!1===this._knownBindings.has(t)){this._knownBindings.add(t);let e=0,r=0;for(const s of t){this.set(s,{textures:r,uniformBuffers:e});for(const t of s.bindings)t.isUniformBuffer&&e++,t.isSampledTexture&&r++}}this.updateBindings(e,t)}updateBindings(e){const{gl:t}=this;for(const r of e.bindings){const e=this.get(r);if(r.isUniformsGroup||r.isUniformBuffer){const s=r.buffer,i=e.bufferGPU;t.bindBuffer(t.UNIFORM_BUFFER,i);const n=r.updateRanges;if(t.bindBuffer(t.UNIFORM_BUFFER,i),0===n.length)t.bufferData(t.UNIFORM_BUFFER,s,t.DYNAMIC_DRAW);else{const e=Qr(s),r=e?1:s.BYTES_PER_ELEMENT;for(let i=0,a=n.length;i<a;i++){const a=n[i],o=a.start*r,u=a.count*r,l=o*(e?s.BYTES_PER_ELEMENT:1);t.bufferSubData(t.UNIFORM_BUFFER,l,s,o,u)}}this.set(r,e)}else if(r.isSampledTexture){const{textureGPU:t,glTextureType:s}=this.get(r.texture);e.textureGPU=t,e.glTextureType=s,this.set(r,e)}}}updateBinding(e){const t=this.gl;if(e.isUniformsGroup||e.isUniformBuffer){const r=this.get(e).bufferGPU,s=e.buffer,i=e.updateRanges;if(t.bindBuffer(t.UNIFORM_BUFFER,r),0===i.length)t.bufferData(t.UNIFORM_BUFFER,s,t.DYNAMIC_DRAW);else{const e=Qr(s),r=e?1:s.BYTES_PER_ELEMENT;for(let n=0,a=i.length;n<a;n++){const a=i[n],o=a.start*r,u=a.count*r,l=o*(e?s.BYTES_PER_ELEMENT:1);t.bufferSubData(t.UNIFORM_BUFFER,l,s,o,u)}}}}createUniformBuffer(e){const t=this.get(e);if(void 0===t.bufferGPU){const r=this.gl,s=e.buffer;t.bufferGPU=r.createBuffer(),r.bindBuffer(r.UNIFORM_BUFFER,t.bufferGPU),r.bufferData(r.UNIFORM_BUFFER,s.byteLength,r.DYNAMIC_DRAW)}}destroyUniformBuffer(e){const t=this.get(e);this.gl.deleteBuffer(t.bufferGPU),this.delete(e)}createIndexAttribute(e){const t=this.gl;this.attributeUtils.createAttribute(e,t.ELEMENT_ARRAY_BUFFER)}createAttribute(e){if(this.has(e))return;const t=this.gl;this.attributeUtils.createAttribute(e,t.ARRAY_BUFFER)}createStorageAttribute(e){if(this.has(e))return;const t=this.gl;this.attributeUtils.createAttribute(e,t.ARRAY_BUFFER)}updateAttribute(e){this.attributeUtils.updateAttribute(e)}destroyAttribute(e){this.attributeUtils.destroyAttribute(e)}hasFeature(e){const t=Object.keys(TE).filter(t=>TE[t]===e),r=this.extensions;for(let e=0;e<t.length;e++)if(r.has(t[e]))return!0;return!1}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){this.textureUtils.copyTextureToTexture(e,t,r,s,i,n)}copyFramebufferToTexture(e,t,r){this.textureUtils.copyFramebufferToTexture(e,t,r)}hasCompatibility(e){return e===E.TEXTURE_COMPARE||super.hasCompatibility(e)}initRenderTarget(e){const{gl:t,state:r}=this;this._setFramebuffer(e),r.bindFramebuffer(t.FRAMEBUFFER,null)}_setFramebuffer(e){const{gl:t,state:r}=this;let s=null;if(null!==e.textures){const i=e.renderTarget,n=this.get(i),{samples:a,depthBuffer:o,stencilBuffer:u}=i,l=!0===i.isCubeRenderTarget,d=!0===i.isRenderTarget3D,c=i.depth>1,h=!0===i.isXRRenderTarget,p=!0===h&&!0===i._hasExternalTextures;let g=n.msaaFrameBuffer,m=n.depthRenderbuffer;const f=this.extensions.get("WEBGL_multisampled_render_to_texture"),y=this.extensions.get("OVR_multiview2"),b=this._useMultisampledExtension(i),x=Nb(e);let T;if(l?(n.cubeFramebuffers||(n.cubeFramebuffers={}),T=n.cubeFramebuffers[x]):h&&!1===p?T=this._xrFramebuffer:(n.framebuffers||(n.framebuffers={}),T=n.framebuffers[x]),void 0===T){T=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,T);const s=e.textures,o=[];if(l){n.cubeFramebuffers[x]=T;const{textureGPU:e}=this.get(s[0]),r=this.renderer._activeCubeFace,i=this.renderer._activeMipmapLevel;t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_CUBE_MAP_POSITIVE_X+r,e,i)}else{n.framebuffers[x]=T;for(let r=0;r<s.length;r++){const n=s[r],o=this.get(n);o.renderTarget=e.renderTarget,o.cacheKey=x;const u=t.COLOR_ATTACHMENT0+r;if(i.multiview)y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,u,o.textureGPU,0,a,0,2);else if(d||c){const e=this.renderer._activeCubeFace,r=this.renderer._activeMipmapLevel;t.framebufferTextureLayer(t.FRAMEBUFFER,u,o.textureGPU,r,e)}else if(b)f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,u,t.TEXTURE_2D,o.textureGPU,0,a);else{const e=this.renderer._activeMipmapLevel;t.framebufferTexture2D(t.FRAMEBUFFER,u,t.TEXTURE_2D,o.textureGPU,e)}}}const h=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;if(!0===i._autoAllocateDepthBuffer){const r=t.createRenderbuffer();this.textureUtils.setupRenderBufferStorage(r,e,0,b),n.xrDepthRenderbuffer=r,o.push(u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT),t.bindRenderbuffer(t.RENDERBUFFER,r),t.framebufferRenderbuffer(t.FRAMEBUFFER,h,t.RENDERBUFFER,r)}else if(null!==e.depthTexture){o.push(u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT);const r=this.get(e.depthTexture);if(r.renderTarget=e.renderTarget,r.cacheKey=x,i.multiview)y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,h,r.textureGPU,0,a,0,2);else if(p&&b)f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,h,t.TEXTURE_2D,r.textureGPU,0,a);else if(e.depthTexture.isArrayTexture){const e=this.renderer._activeCubeFace;t.framebufferTextureLayer(t.FRAMEBUFFER,h,r.textureGPU,0,e)}else if(e.depthTexture.isCubeTexture){const e=this.renderer._activeCubeFace;t.framebufferTexture2D(t.FRAMEBUFFER,h,t.TEXTURE_CUBE_MAP_POSITIVE_X+e,r.textureGPU,0)}else t.framebufferTexture2D(t.FRAMEBUFFER,h,t.TEXTURE_2D,r.textureGPU,0)}n.depthInvalidationArray=o}else{if(this._isRenderCameraDepthArray(e)){r.bindFramebuffer(t.FRAMEBUFFER,T);const s=this.renderer._activeCubeFace,i=this.get(e.depthTexture),n=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;t.framebufferTextureLayer(t.FRAMEBUFFER,n,i.textureGPU,0,s)}if((h||b||i.multiview)&&!0!==i._isOpaqueFramebuffer){r.bindFramebuffer(t.FRAMEBUFFER,T);const s=this.get(e.textures[0]);i.multiview?y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,s.textureGPU,0,a,0,2):b?f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,s.textureGPU,0,a):t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,s.textureGPU,0);const o=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;if(!0===i._autoAllocateDepthBuffer){const e=n.xrDepthRenderbuffer;t.bindRenderbuffer(t.RENDERBUFFER,e),t.framebufferRenderbuffer(t.FRAMEBUFFER,o,t.RENDERBUFFER,e)}else{const r=this.get(e.depthTexture);i.multiview?y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,o,r.textureGPU,0,a,0,2):b?f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,o,t.TEXTURE_2D,r.textureGPU,0,a):t.framebufferTexture2D(t.FRAMEBUFFER,o,t.TEXTURE_2D,r.textureGPU,0)}}}if(a>0&&!1===b&&!i.multiview){if(void 0===g){const s=[];g=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,g);const i=[],l=e.textures;for(let r=0;r<l.length;r++){i[r]=t.createRenderbuffer(),t.bindRenderbuffer(t.RENDERBUFFER,i[r]),s.push(t.COLOR_ATTACHMENT0+r);const n=e.textures[r],o=this.get(n);t.renderbufferStorageMultisample(t.RENDERBUFFER,a,o.glInternalFormat,e.width,e.height),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0+r,t.RENDERBUFFER,i[r])}if(t.bindRenderbuffer(t.RENDERBUFFER,null),n.msaaFrameBuffer=g,n.msaaRenderbuffers=i,o&&void 0===m){m=t.createRenderbuffer(),this.textureUtils.setupRenderBufferStorage(m,e,a),n.depthRenderbuffer=m;const r=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;s.push(r)}n.invalidationArray=s}s=n.msaaFrameBuffer}else s=T;r.drawBuffers(e,T)}r.bindFramebuffer(t.FRAMEBUFFER,s)}_getVaoKey(e){let t="";for(let r=0;r<e.length;r++){t+=":"+this.get(e[r]).id}return t}_createVao(e){const{gl:t}=this,r=t.createVertexArray();t.bindVertexArray(r);for(let r=0;r<e.length;r++){const s=e[r],i=this.get(s);let n,a;t.bindBuffer(t.ARRAY_BUFFER,i.bufferGPU),t.enableVertexAttribArray(r),!0===s.isInterleavedBufferAttribute?(n=s.data.stride*i.bytesPerElement,a=s.offset*i.bytesPerElement):(n=0,a=0),i.isInteger?t.vertexAttribIPointer(r,s.itemSize,i.type,n,a):t.vertexAttribPointer(r,s.itemSize,i.type,s.normalized,n,a),s.isInstancedBufferAttribute&&!s.isInterleavedBufferAttribute?t.vertexAttribDivisor(r,s.meshPerAttribute):s.isInterleavedBufferAttribute&&s.data.isInstancedInterleavedBuffer&&t.vertexAttribDivisor(r,s.data.meshPerAttribute)}return t.bindBuffer(t.ARRAY_BUFFER,null),r}_getTransformFeedback(e){let t="";for(let r=0;r<e.length;r++)t+=":"+e[r].id;let r=this.transformFeedbackCache[t];if(void 0!==r)return r;const{gl:s}=this;r=s.createTransformFeedback(),s.bindTransformFeedback(s.TRANSFORM_FEEDBACK,r);for(let t=0;t<e.length;t++){const r=e[t];s.bindBufferBase(s.TRANSFORM_FEEDBACK_BUFFER,t,r.transformBuffer)}return s.bindTransformFeedback(s.TRANSFORM_FEEDBACK,null),this.transformFeedbackCache[t]=r,r}_setupBindings(e,t){const r=this.gl;let s=0,i=0;for(const n of e)for(const e of n.bindings)if(e.isUniformsGroup||e.isUniformBuffer){const i=s++,n=r.getUniformBlockIndex(t,e.name);r.uniformBlockBinding(t,n,i)}else if(e.isSampledTexture){const s=i++,n=r.getUniformLocation(t,e.name);r.uniform1i(n,s)}}_bindUniforms(e){const{gl:t,state:r}=this;let s=0,i=0;for(const n of e)for(const e of n.bindings){const n=this.get(e);if(e.isUniformsGroup||e.isUniformBuffer){const e=s++;r.bindBufferBase(t.UNIFORM_BUFFER,e,n.bufferGPU)}else if(e.isSampledTexture){const e=i++;r.bindTexture(n.glTextureType,n.textureGPU,t.TEXTURE0+e)}}}_resolveRenderTarget(e){const{gl:t,state:r}=this,s=e.renderTarget;if(null!==e.textures&&s){const i=this.get(s);if(s.samples>0&&!1===this._useMultisampledExtension(s)){const n=i.framebuffers[e.getCacheKey()];let a=t.COLOR_BUFFER_BIT;s.resolveDepthBuffer&&(s.depthBuffer&&(a|=t.DEPTH_BUFFER_BIT),s.stencilBuffer&&s.resolveStencilBuffer&&(a|=t.STENCIL_BUFFER_BIT));const o=i.msaaFrameBuffer,u=i.msaaRenderbuffers,l=e.textures,d=l.length>1;if(r.bindFramebuffer(t.READ_FRAMEBUFFER,o),r.bindFramebuffer(t.DRAW_FRAMEBUFFER,n),d)for(let e=0;e<l.length;e++)t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.RENDERBUFFER,null),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.TEXTURE_2D,null,0);for(let r=0;r<l.length;r++){if(d){const{textureGPU:e}=this.get(l[r]);t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.RENDERBUFFER,u[r]),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,e,0)}if(e.scissor){const{x:r,y:s,width:i,height:n}=e.scissorValue,o=e.height-n-s;t.blitFramebuffer(r,o,r+i,o+n,r,o,r+i,o+n,a,t.NEAREST)}else t.blitFramebuffer(0,0,e.width,e.height,0,0,e.width,e.height,a,t.NEAREST)}if(d)for(let e=0;e<l.length;e++){const{textureGPU:r}=this.get(l[e]);t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.RENDERBUFFER,u[e]),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.TEXTURE_2D,r,0)}!0===this._supportsInvalidateFramebuffer&&t.invalidateFramebuffer(t.READ_FRAMEBUFFER,i.invalidationArray)}else if(!1===s.resolveDepthBuffer&&i.framebuffers){const s=i.framebuffers[e.getCacheKey()];r.bindFramebuffer(t.DRAW_FRAMEBUFFER,s),t.invalidateFramebuffer(t.DRAW_FRAMEBUFFER,i.depthInvalidationArray)}}}_useMultisampledExtension(e){return!0===e.multiview||e.samples>0&&!0===this.extensions.has("WEBGL_multisampled_render_to_texture")&&!1!==e._autoAllocateDepthBuffer}dispose(){null!==this.textureUtils&&this.textureUtils.dispose();const e=this.extensions.get("WEBGL_lose_context");e&&e.loseContext(),this.renderer.domElement.removeEventListener("webglcontextlost",this._onContextLost)}}const RE="point-list",EE="line-list",wE="line-strip",AE="triangle-list",CE="undefined"!=typeof self&&self.GPUShaderStage?self.GPUShaderStage:{VERTEX:1,FRAGMENT:2,COMPUTE:4},ME="never",BE="less",LE="equal",FE="less-equal",PE="greater",UE="not-equal",DE="greater-equal",IE="always",OE="store",VE="load",kE="clear",GE="ccw",$E="cw",zE="none",WE="back",HE="uint16",jE="uint32",qE="r8unorm",XE="r8snorm",YE="r8uint",QE="r8sint",KE="r16uint",ZE="r16sint",JE="r16float",ew="rg8unorm",tw="rg8snorm",rw="rg8uint",sw="rg8sint",iw="r16unorm",nw="r16snorm",aw="r32uint",ow="r32sint",uw="r32float",lw="rg16uint",dw="rg16sint",cw="rg16float",hw="rgba8unorm",pw="rgba8unorm-srgb",gw="rgba8snorm",mw="rgba8uint",fw="rgba8sint",yw="bgra8unorm",bw="bgra8unorm-srgb",xw="rg16unorm",Tw="rg16snorm",_w="rgb9e5ufloat",vw="rgb10a2unorm",Nw="rg11b10ufloat",Sw="rg32uint",Rw="rg32sint",Ew="rg32float",ww="rgba16uint",Aw="rgba16sint",Cw="rgba16float",Mw="rgba16unorm",Bw="rgba16snorm",Lw="rgba32uint",Fw="rgba32sint",Pw="rgba32float",Uw="depth16unorm",Dw="depth24plus",Iw="depth24plus-stencil8",Ow="depth32float",Vw="depth32float-stencil8",kw="bc1-rgba-unorm",Gw="bc1-rgba-unorm-srgb",$w="bc2-rgba-unorm",zw="bc2-rgba-unorm-srgb",Ww="bc3-rgba-unorm",Hw="bc3-rgba-unorm-srgb",jw="bc4-r-unorm",qw="bc4-r-snorm",Xw="bc5-rg-unorm",Yw="bc5-rg-snorm",Qw="bc6h-rgb-ufloat",Kw="bc6h-rgb-float",Zw="bc7-rgba-unorm",Jw="bc7-rgba-unorm-srgb",eA="etc2-rgb8unorm",tA="etc2-rgb8unorm-srgb",rA="etc2-rgb8a1unorm",sA="etc2-rgb8a1unorm-srgb",iA="etc2-rgba8unorm",nA="etc2-rgba8unorm-srgb",aA="eac-r11unorm",oA="eac-r11snorm",uA="eac-rg11unorm",lA="eac-rg11snorm",dA="astc-4x4-unorm",cA="astc-4x4-unorm-srgb",hA="astc-5x4-unorm",pA="astc-5x4-unorm-srgb",gA="astc-5x5-unorm",mA="astc-5x5-unorm-srgb",fA="astc-6x5-unorm",yA="astc-6x5-unorm-srgb",bA="astc-6x6-unorm",xA="astc-6x6-unorm-srgb",TA="astc-8x5-unorm",_A="astc-8x5-unorm-srgb",vA="astc-8x6-unorm",NA="astc-8x6-unorm-srgb",SA="astc-8x8-unorm",RA="astc-8x8-unorm-srgb",EA="astc-10x5-unorm",wA="astc-10x5-unorm-srgb",AA="astc-10x6-unorm",CA="astc-10x6-unorm-srgb",MA="astc-10x8-unorm",BA="astc-10x8-unorm-srgb",LA="astc-10x10-unorm",FA="astc-10x10-unorm-srgb",PA="astc-12x10-unorm",UA="astc-12x10-unorm-srgb",DA="astc-12x12-unorm",IA="astc-12x12-unorm-srgb",OA="clamp-to-edge",VA="repeat",kA="mirror-repeat",GA="linear",$A="nearest",zA="zero",WA="one",HA="src",jA="one-minus-src",qA="src-alpha",XA="one-minus-src-alpha",YA="dst",QA="one-minus-dst",KA="dst-alpha",ZA="one-minus-dst-alpha",JA="src-alpha-saturated",eC="constant",tC="one-minus-constant",rC="add",sC="subtract",iC="reverse-subtract",nC="min",aC="max",oC=0,uC=15,lC="keep",dC="zero",cC="replace",hC="invert",pC="increment-clamp",gC="decrement-clamp",mC="increment-wrap",fC="decrement-wrap",yC="storage",bC="read-only-storage",xC="write-only",TC="read-only",_C="read-write",vC="non-filtering",NC="comparison",SC="float",RC="unfilterable-float",EC="depth",wC="sint",AC="uint",CC="2d",MC="3d",BC="2d",LC="2d-array",FC="cube",PC="3d",UC="all",DC="vertex",IC="instance",OC={CoreFeaturesAndLimits:"core-features-and-limits",DepthClipControl:"depth-clip-control",Depth32FloatStencil8:"depth32float-stencil8",TextureCompressionBC:"texture-compression-bc",TextureCompressionBCSliced3D:"texture-compression-bc-sliced-3d",TextureCompressionETC2:"texture-compression-etc2",TextureCompressionASTC:"texture-compression-astc",TextureCompressionASTCSliced3D:"texture-compression-astc-sliced-3d",TimestampQuery:"timestamp-query",IndirectFirstInstance:"indirect-first-instance",ShaderF16:"shader-f16",RG11B10UFloat:"rg11b10ufloat-renderable",BGRA8UNormStorage:"bgra8unorm-storage",Float32Filterable:"float32-filterable",Float32Blendable:"float32-blendable",ClipDistances:"clip-distances",DualSourceBlending:"dual-source-blending",Subgroups:"subgroups",TextureFormatsTier1:"texture-formats-tier1",TextureFormatsTier2:"texture-formats-tier2"},VC={"texture-compression-s3tc":"texture-compression-bc","texture-compression-etc1":"texture-compression-etc2"};class kC extends $R{constructor(e,t,r){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r}update(){const{textureNode:e}=this;return this.texture!==e.value?(this.texture=e.value,!0):super.update()}}class GC extends UR{constructor(e,t){super(e,t?t.array:null),this._attribute=t,this.isStorageBuffer=!0}get attribute(){return this._attribute}}let $C=0;class zC extends GC{constructor(e,t){super("StorageBuffer_"+$C++,e?e.value:null),this.nodeUniform=e,this.access=e?e.access:ai.READ_WRITE,this.groupNode=t}get attribute(){return this.nodeUniform.value}get buffer(){return this.nodeUniform.value.array}}const WC=[null];class HC{constructor(e){this.backend=e}getCurrentDepthStencilFormat(e){let t;return e.depth&&(t=null!==e.depthTexture?this.getTextureFormatGPU(e.depthTexture):e.stencil?!0===this.backend.renderer.reversedDepthBuffer?Vw:Iw:!0===this.backend.renderer.reversedDepthBuffer?Ow:Dw),t}getTextureFormatGPU(e){return this.backend.get(e).format}getTextureSampleData(e){let t;if(e.isFramebufferTexture)t=1;else if(e.isDepthTexture&&!e.renderTarget){const e=this.backend.renderer,r=e.getRenderTarget();t=r?r.samples:e.currentSamples}else e.renderTarget&&(t=e.renderTarget.samples);t=this.getSampleCount(t||1);const r=t>1&&null!==e.renderTarget&&!0!==e.isDepthTexture&&!0!==e.isFramebufferTexture;return{samples:t,primarySamples:r?1:t,isMSAA:r}}getCurrentColorFormat(e){let t;return t=null!==e.textures?this.getTextureFormatGPU(e.textures[0]):this.getPreferredCanvasFormat(),t}getCurrentColorFormats(e){return null!==e.textures?e.textures.map(e=>this.getTextureFormatGPU(e)):[this.getPreferredCanvasFormat()]}getCurrentColorSpace(e){return null!==e.textures?e.textures[0].colorSpace:this.backend.renderer.outputColorSpace}getPrimitiveTopology(e,t){return e.isPoints?RE:e.isLineSegments||e.isMesh&&!0===t.wireframe?EE:e.isLine?wE:e.isMesh?AE:void 0}getSampleCount(e){return e>=4?4:1}getSampleCountRenderContext(e){return null!==e.textures?this.getSampleCount(e.sampleCount):this.getSampleCount(this.backend.renderer.currentSamples)}getPreferredCanvasFormat(){const e=this.backend.parameters.outputType;if(void 0===e)return navigator.gpu.getPreferredCanvasFormat();if(e===Ve)return yw;if(e===Te)return Cw;throw new Error("THREE.WebGPUUtils: Unsupported output buffer type.")}}function jC(e,t){WC[0]=t,e.queue.submit(WC),WC[0]=null}class qC{constructor(){this.label="",this.layout=null,this.entries=[]}reset(){this.label="",this.layout=null,this.entries.length=0}}class XC{constructor(){this.label="",this.size=0,this.usage=0,this.mappedAtCreation=!1}reset(){this.label="",this.size=0,this.usage=0,this.mappedAtCreation=!1}}class YC{constructor(){this.label=""}reset(){this.label=""}}class QC{constructor(){this.label="",this.colorFormats=null,this.depthStencilFormat=void 0,this.sampleCount=1,this.depthReadOnly=!1,this.stencilReadOnly=!1}reset(){this.label="",this.colorFormats=null,this.depthStencilFormat=void 0,this.sampleCount=1,this.depthReadOnly=!1,this.stencilReadOnly=!1}}class KC{constructor(){this.view=null,this.depthSlice=void 0,this.resolveTarget=void 0,this.clearValue=void 0,this.loadOp=void 0,this.storeOp=void 0}reset(){this.view=null,this.depthSlice=void 0,this.resolveTarget=void 0,this.clearValue=void 0,this.loadOp=void 0,this.storeOp=void 0}}class ZC{constructor(){this.label="",this.colorAttachments=[],this.depthStencilAttachment=void 0,this.occlusionQuerySet=void 0,this.timestampWrites=void 0,this.maxDrawCount=5e7}reset(){this.label="",this.colorAttachments.length=0,this.depthStencilAttachment=void 0,this.occlusionQuerySet=void 0,this.timestampWrites=void 0,this.maxDrawCount=5e7}}class JC{constructor(){this.label="",this.layout=null,this.vertex=null,this.primitive={},this.depthStencil=void 0,this.multisample=new eM,this.fragment=null}reset(){this.label="",this.layout=null,this.vertex=null,this.primitive={},this.depthStencil=void 0,this.multisample.reset(),this.fragment=null}}class eM{constructor(){this.count=1,this.mask=4294967295,this.alphaToCoverageEnabled=!1}reset(){this.count=1,this.mask=4294967295,this.alphaToCoverageEnabled=!1}}class tM{constructor(){this.label="",this.code="",this.compilationHints=[]}reset(){this.label="",this.code="",this.compilationHints.length=0}}class rM{constructor(){this.label="",this.size={width:0,height:1,depthOrArrayLayers:1},this.mipLevelCount=1,this.sampleCount=1,this.dimension="2d",this.format=void 0,this.usage=void 0,this.viewFormats=[],this.textureBindingViewDimension=void 0}reset(){this.label="",this.size.width=0,this.size.height=1,this.size.depthOrArrayLayers=1,this.mipLevelCount=1,this.sampleCount=1,this.dimension="2d",this.format=void 0,this.usage=void 0,this.viewFormats.length=0,this.textureBindingViewDimension=void 0}}class sM{constructor(){this.label="",this.format=void 0,this.dimension=void 0,this.usage=0,this.aspect="all",this.baseMipLevel=0,this.mipLevelCount=void 0,this.baseArrayLayer=0,this.arrayLayerCount=void 0,this.swizzle="rgba"}reset(){this.label="",this.format=void 0,this.dimension=void 0,this.usage=0,this.aspect="all",this.baseMipLevel=0,this.mipLevelCount=void 0,this.baseArrayLayer=0,this.arrayLayerCount=void 0,this.swizzle="rgba"}}const iM=new qC,nM=new XC,aM=new YC,oM=new QC,uM=new ZC,lM=new JC,dM=new KC,cM=new tM,hM=new rM,pM=new sM;class gM extends Yy{constructor(e){super(),this.device=e;this.mipmapSampler=e.createSampler({minFilter:GA}),this.flipYSampler=e.createSampler({minFilter:$A}),nM.size=4,nM.usage=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,this.flipUniformBuffer=e.createBuffer(nM),nM.reset(),e.queue.writeBuffer(this.flipUniformBuffer,0,new Uint32Array([1])),nM.size=4,nM.usage=GPUBufferUsage.UNIFORM,this.noFlipUniformBuffer=e.createBuffer(nM),nM.reset(),this.transferPipelines={},cM.label="mipmap",cM.code="\nstruct VarysStruct {\n\t@builtin( position ) Position: vec4f,\n\t@location( 0 ) vTex : vec2f,\n\t@location( 1 ) @interpolate(flat, either) vBaseArrayLayer: u32,\n};\n\n@group( 0 ) @binding ( 2 )\nvar<uniform> flipY: u32;\n\n@vertex\nfn mainVS(\n\t\t@builtin( vertex_index ) vertexIndex : u32,\n\t\t@builtin( instance_index ) instanceIndex : u32 ) -> VarysStruct {\n\n\tvar Varys : VarysStruct;\n\n\tvar pos = array(\n\t\tvec2f( -1, -1 ),\n\t\tvec2f( -1,  3 ),\n\t\tvec2f(  3, -1 ),\n\t);\n\n\tlet p = pos[ vertexIndex ];\n\tlet mult = select( vec2f( 0.5, -0.5 ), vec2f( 0.5, 0.5 ), flipY != 0 );\n\tVarys.vTex = p * mult + vec2f( 0.5 );\n\tVarys.Position = vec4f( p, 0, 1 );\n\tVarys.vBaseArrayLayer = instanceIndex;\n\n\treturn Varys;\n\n}\n\n@group( 0 ) @binding( 0 )\nvar imgSampler : sampler;\n\n@group( 0 ) @binding( 1 )\nvar img2d : texture_2d<f32>;\n\n@fragment\nfn main_2d( Varys: VarysStruct ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( img2d, imgSampler, Varys.vTex );\n\n}\n\n@group( 0 ) @binding( 1 )\nvar img2dArray : texture_2d_array<f32>;\n\n@fragment\nfn main_2d_array( Varys: VarysStruct ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( img2dArray, imgSampler, Varys.vTex, Varys.vBaseArrayLayer );\n\n}\n\nconst faceMat = array(\n  mat3x3f(  0,  0,  -2,  0, -2,   0,  1,  1,   1 ),   // pos-x\n  mat3x3f(  0,  0,   2,  0, -2,   0, -1,  1,  -1 ),   // neg-x\n  mat3x3f(  2,  0,   0,  0,  0,   2, -1,  1,  -1 ),   // pos-y\n  mat3x3f(  2,  0,   0,  0,  0,  -2, -1, -1,   1 ),   // neg-y\n  mat3x3f(  2,  0,   0,  0, -2,   0, -1,  1,   1 ),   // pos-z\n  mat3x3f( -2,  0,   0,  0, -2,   0,  1,  1,  -1 ),   // neg-z\n);\n\n@group( 0 ) @binding( 1 )\nvar imgCube : texture_cube<f32>;\n\n@fragment\nfn main_cube( Varys: VarysStruct ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( imgCube, imgSampler, faceMat[ Varys.vBaseArrayLayer ] * vec3f( fract( Varys.vTex ), 1 ) );\n\n}\n",this.mipmapShaderModule=e.createShaderModule(cM),cM.reset()}getTransferPipeline(e,t){const r=`${e}-${t=t||"2d-array"}`;let s=this.transferPipelines[r];return void 0===s&&(lM.label=`mipmap-${e}-${t}`,lM.vertex={module:this.mipmapShaderModule},lM.fragment={module:this.mipmapShaderModule,entryPoint:`main_${t.replace("-","_")}`,targets:[{format:e}]},lM.layout="auto",s=this.device.createRenderPipeline(lM),lM.reset(),this.transferPipelines[r]=s),s}flipY(e,t,r=0){const s=t.format,{width:i,height:n}=t.size;hM.size.width=i,hM.size.height=n,hM.format=s,hM.usage=GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING;const a=this.device.createTexture(hM);hM.reset();const o=this.getTransferPipeline(s,e.textureBindingViewDimension),u=this.getTransferPipeline(s,a.textureBindingViewDimension),l=this.device.createCommandEncoder(aM),d=(e,t,r,s,i,n)=>{const a=e.getBindGroupLayout(0);pM.dimension=t.textureBindingViewDimension||"2d-array",pM.mipLevelCount=1;const o=t.createView(pM);pM.reset(),iM.layout=a,iM.entries.push({binding:0,resource:this.flipYSampler},{binding:1,resource:o},{binding:2,resource:{buffer:n?this.flipUniformBuffer:this.noFlipUniformBuffer}});const u=this.device.createBindGroup(iM);iM.reset(),pM.dimension="2d",pM.mipLevelCount=1,pM.baseArrayLayer=i,pM.arrayLayerCount=1;const d=s.createView(pM);pM.reset(),dM.view=d,dM.loadOp=kE,dM.storeOp=OE,uM.colorAttachments.push(dM);const c=l.beginRenderPass(uM);uM.reset(),dM.reset(),c.setPipeline(e),c.setBindGroup(0,u),c.draw(3,1,0,r),c.end()};d(o,e,r,a,0,!1),d(u,a,0,e,r,!0),jC(this.device,l.finish()),a.destroy()}generateMipmaps(e,t=null){const r=this.get(e),s=r.layers||this._mipmapCreateBundles(e);let i=t;null===i&&(aM.label="mipmapEncoder",i=this.device.createCommandEncoder(aM),aM.reset()),this._mipmapRunBundles(i,s),null===t&&jC(this.device,i.finish()),r.layers=s}_mipmapCreateBundles(e){const t=e.textureBindingViewDimension||"2d-array",r=this.getTransferPipeline(e.format,t),s=r.getBindGroupLayout(0),i=[];for(let n=1;n<e.mipLevelCount;n++)for(let a=0;a<e.depthOrArrayLayers;a++){pM.dimension=t,pM.baseMipLevel=n-1,pM.mipLevelCount=1;const o=e.createView(pM);pM.reset(),iM.layout=s,iM.entries.push({binding:0,resource:this.mipmapSampler},{binding:1,resource:o},{binding:2,resource:{buffer:this.noFlipUniformBuffer}});const u=this.device.createBindGroup(iM);iM.reset(),pM.dimension="2d",pM.baseMipLevel=n,pM.mipLevelCount=1,pM.baseArrayLayer=a,pM.arrayLayerCount=1;const l=e.createView(pM);pM.reset();const d=new KC;d.view=l,d.loadOp=kE,d.storeOp=OE;const c=new ZC;c.colorAttachments.push(d),oM.colorFormats=[e.format];const h=this.device.createRenderBundleEncoder(oM);oM.reset(),h.setPipeline(r),h.setBindGroup(0,u),h.draw(3,1,0,a),i.push({renderBundles:[h.finish()],passDescriptor:c})}return i}_mipmapRunBundles(e,t){const r=t.length;for(let s=0;s<r;s++){const r=t[s],i=e.beginRenderPass(r.passDescriptor);i.executeBundles(r.renderBundles),i.end()}}}class mM{constructor(){this.texture=null,this.mipLevel=0,this.origin={x:0,y:0,z:0},this.aspect="all"}reset(){this.texture=null,this.mipLevel=0,this.origin.x=0,this.origin.y=0,this.origin.z=0,this.aspect="all"}}class fM{constructor(){this.width=0,this.height=1,this.depthOrArrayLayers=1}reset(){this.width=0,this.height=1,this.depthOrArrayLayers=1}}const yM=new XC,bM=new YC,xM=new class{constructor(){this.label="",this.addressModeU="clamp-to-edge",this.addressModeV="clamp-to-edge",this.addressModeW="clamp-to-edge",this.magFilter="nearest",this.minFilter="nearest",this.mipmapFilter="nearest",this.lodMinClamp=0,this.lodMaxClamp=32,this.compare=void 0,this.maxAnisotropy=1}reset(){this.label="",this.addressModeU="clamp-to-edge",this.addressModeV="clamp-to-edge",this.addressModeW="clamp-to-edge",this.magFilter="nearest",this.minFilter="nearest",this.mipmapFilter="nearest",this.lodMinClamp=0,this.lodMaxClamp=32,this.compare=void 0,this.maxAnisotropy=1}},TM=new mM,_M=new class{constructor(){this.buffer=null,this.offset=0,this.bytesPerRow=void 0,this.rowsPerImage=void 0}reset(){this.buffer=null,this.offset=0,this.bytesPerRow=void 0,this.rowsPerImage=void 0}},vM=new class{constructor(){this.offset=0,this.bytesPerRow=void 0,this.rowsPerImage=void 0}reset(){this.offset=0,this.bytesPerRow=void 0,this.rowsPerImage=void 0}},NM=new class{constructor(){this.source=null,this.origin={x:0,y:0},this.flipY=!1}reset(){this.source=null,this.origin.x=0,this.origin.y=0,this.flipY=!1}},SM=new class extends mM{constructor(){super(),this.colorSpace="srgb",this.premultipliedAlpha=!1}reset(){super.reset(),this.colorSpace="srgb",this.premultipliedAlpha=!1}},RM=new rM,EM=new fM,wM={[qr]:"never",[w]:"less",[Hr]:"equal",[A]:"less-equal",[C]:"greater",[M]:"greater-equal",[jr]:"always",[Wr]:"not-equal"},AM=[0,1,3,2,4,5];function CM(e,t,r,s,i,n,a,o,u,l){TM.texture=t,TM.mipLevel=r,TM.origin.z=s,vM.offset=s*n,vM.bytesPerRow=a,vM.rowsPerImage=o,EM.width=u,EM.height=l,e.queue.writeTexture(TM,i.data,vM,EM),TM.reset(),vM.reset(),EM.reset()}class MM{constructor(e){this.backend=e,this._passUtils=null,this.defaultTexture={},this.defaultCubeTexture={},this.defaultVideoFrame=null,this._samplerCache=new Map}updateSampler(e,t){const r=this.backend,s=e.minFilter+"-"+e.magFilter+"-"+e.wrapS+"-"+e.wrapT+"-"+(e.wrapR||"0")+"-"+e.anisotropy+"-"+(!0===e.isDepthTexture?1:0)+"-"+(null!==e.compareFunction&&null!==t.compareNode?e.compareFunction:0);let i=this._samplerCache.get(s);if(void 0===i){xM.addressModeU=this._convertAddressMode(e.wrapS),xM.addressModeV=this._convertAddressMode(e.wrapT),xM.addressModeW=this._convertAddressMode(e.wrapR),xM.magFilter=this._convertFilterMode(e.magFilter),xM.minFilter=this._convertFilterMode(e.minFilter),xM.mipmapFilter=this._convertMipmapFilterMode(e.minFilter),!e.isDepthTexture||null!==e.compareFunction&&null!==t.compareNode||(xM.magFilter=$A,xM.minFilter=$A,xM.mipmapFilter=$A),xM.magFilter===GA&&xM.minFilter===GA&&xM.mipmapFilter===GA&&(xM.maxAnisotropy=e.anisotropy),e.isDepthTexture&&null!==e.compareFunction&&null!==t.compareNode&&r.hasCompatibility(E.TEXTURE_COMPARE)&&(xM.compare=wM[e.compareFunction]);const n=r.device.createSampler(xM);xM.reset(),i={sampler:n,usedTimes:0},this._samplerCache.set(s,i)}const n=r.get(e);if(n.sampler!==i.sampler){if(void 0!==n.sampler){const e=this._samplerCache.get(n.samplerKey);e.usedTimes--,0===e.usedTimes&&this._samplerCache.delete(n.samplerKey)}n.samplerKey=s,n.sampler=i.sampler,i.usedTimes++}return s}createDefaultTexture(e){let t;const r=BM(e,this.backend.device);t=e.isCubeTexture?this._getDefaultCubeTextureGPU(r):this._getDefaultTextureGPU(r),this.backend.get(e).texture=t}createTexture(e,t={}){const r=this.backend,s=r.get(e);if(s.initialized){if(!0===s.externalTexture)return;throw new Error("THREE.WebGPUTextureUtils: Texture already initialized.")}if(e.isExternalTexture)return s.texture=e.sourceTexture,void(s.initialized=!0);void 0===t.needsMipmaps&&(t.needsMipmaps=!1),void 0===t.levels&&(t.levels=1),void 0===t.depth&&(t.depth=1);const{width:i,height:n,depth:a,levels:o}=t;e.isFramebufferTexture&&(t.renderTarget?t.format=this.backend.utils.getCurrentColorFormat(t.renderTarget):t.format=this.backend.utils.getPreferredCanvasFormat());const u=this._getDimension(e),l=e.internalFormat||t.format||BM(e,r.device);s.format=l;const{samples:c,primarySamples:h,isMSAA:p}=r.utils.getTextureSampleData(e);let g=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.COPY_SRC;!0===e.isStorageTexture&&(g|=GPUTextureUsage.STORAGE_BINDING),!0!==e.isCompressedTexture&&!0!==e.isCompressedArrayTexture&&l!==_w&&(g|=GPUTextureUsage.RENDER_ATTACHMENT);const m=new rM;if(m.label=e.name,m.size.width=i,m.size.height=n,m.size.depthOrArrayLayers=a,m.mipLevelCount=o,m.sampleCount=h,m.dimension=u,m.format=l,m.usage=g,void 0===l)return d("WebGPURenderer: Texture format not supported."),void this.createDefaultTexture(e);e.isCubeTexture&&(m.textureBindingViewDimension=FC);try{s.texture=r.device.createTexture(m)}catch(t){return d("WebGPURenderer: Failed to create texture with descriptor:",m),void this.createDefaultTexture(e)}if(p){const e=Object.assign({},m);e.label=e.label+"-msaa",e.sampleCount=c,e.mipLevelCount=1,s.msaaTexture=r.device.createTexture(e)}s.initialized=!0,s.textureDescriptorGPU=m}destroyTexture(e,t=!1){const r=this.backend,s=r.get(e);void 0!==s.texture&&!1===t&&s.texture.destroy(),void 0!==s.msaaTexture&&s.msaaTexture.destroy(),r.delete(e)}generateMipmaps(e,t=null){const r=this.backend.get(e);this._generateMipmaps(r.texture,t)}getColorBuffer(){const e=this.backend,t=e.renderer.getCanvasTarget(),{width:r,height:s}=e.getDrawingBufferSize(),i=e.renderer.currentSamples,n=t.colorTexture,a=e.get(n);if(n.width===r&&n.height===s&&n.samples===i)return a.texture;let o=a.texture;return o&&o.destroy(),RM.label="colorBuffer",RM.size.width=r,RM.size.height=s,RM.sampleCount=e.utils.getSampleCount(e.renderer.currentSamples),RM.format=e.utils.getPreferredCanvasFormat(),RM.usage=GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC,o=e.device.createTexture(RM),RM.reset(),n.source.width=r,n.source.height=s,n.samples=i,a.texture=o,o}getDepthBuffer(e=!0,t=!1){const r=this.backend,s=r.renderer.getCanvasTarget(),{width:i,height:n}=r.getDrawingBufferSize(),a=r.renderer.currentSamples,o=s.depthTexture;if(o.width===i&&o.height===n&&o.samples===a&&o.depth===e&&o.stencil===t)return r.get(o).texture;const u=r.get(o).texture;let l,d;if(t?(l=je,d=!0===r.renderer.reversedDepthBuffer?Y:Ze):e&&(l=He,d=!0===r.renderer.reversedDepthBuffer?Y:S),void 0!==u){if(o.image.width===i&&o.image.height===n&&o.format===l&&o.type===d&&o.samples===a)return u;this.destroyTexture(o)}return o.name="depthBuffer",o.format=l,o.type=d,o.image.width=i,o.image.height=n,o.samples=a,this.createTexture(o,{width:i,height:n}),r.get(o).texture}updateTexture(e,t){const r=this.backend.get(e),s=e.mipmaps,{textureDescriptorGPU:i}=r;if(!e.isRenderTargetTexture&&void 0!==i){if(e.isDataTexture)if(s.length>0)for(let t=0,n=s.length;t<n;t++){const n=s[t];this._copyBufferToTexture(n,r.texture,i,0,e.flipY,0,t)}else this._copyBufferToTexture(t.image,r.texture,i,0,e.flipY);else if(e.isArrayTexture||e.isDataArrayTexture||e.isData3DTexture)if(e.layerUpdates&&e.layerUpdates.size>0){for(const s of e.layerUpdates)this._copyBufferToTexture(t.image,r.texture,i,s,e.flipY,s);e.clearLayerUpdates()}else for(let s=0;s<t.image.depth;s++)this._copyBufferToTexture(t.image,r.texture,i,s,e.flipY,s);else if(e.isCompressedTexture||e.isCompressedArrayTexture)e.isCompressedArrayTexture&&e.layerUpdates.size>0?(this._copyCompressedBufferToTexture(e.mipmaps,r.texture,i,e.layerUpdates),e.clearLayerUpdates()):this._copyCompressedBufferToTexture(e.mipmaps,r.texture,i);else if(e.isCubeTexture)this._copyCubeMapToTexture(e,r.texture,i);else if(e.isHTMLTexture){const t=this.backend.device,s=this.backend.renderer.domElement,n=e.image;if("function"!=typeof t.queue.copyElementImageToTexture)return;if(!r.hasPaintCallback)return r.hasPaintCallback=!0,void s.requestPaint();const a=i.size.width,o=i.size.height;t.queue.copyElementImageToTexture(n,a,o,{texture:r.texture}),e.flipY&&this._flipY(r.texture,i)}else if(s.length>0)for(let t=0,n=s.length;t<n;t++){const n=s[t];this._copyImageToTexture(n,r.texture,i,0,e.flipY,e.premultiplyAlpha,t)}else this._copyImageToTexture(t.image,r.texture,i,0,e.flipY,e.premultiplyAlpha);r.version=e.version}}async copyTextureToBuffer(e,t,r,s,i,n){const a=this.backend.device,o=this.backend.get(e),u=o.texture,l=o.textureDescriptorGPU.format,d=this._getBytesPerTexel(l);let c=s*d;c=256*Math.ceil(c/256),yM.size=(i-1)*c+s*d,yM.usage=GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ;const h=a.createBuffer(yM);yM.reset();const p=a.createCommandEncoder(bM);TM.texture=u,TM.origin.x=t,TM.origin.y=r,TM.origin.z=n,_M.buffer=h,_M.bytesPerRow=c,EM.width=s,EM.height=i,p.copyTextureToBuffer(TM,_M,EM),TM.reset(),_M.reset(),EM.reset();const g=this._getTypedArrayType(l);jC(a,p.finish()),await h.mapAsync(GPUMapMode.READ);const m=h.getMappedRange().slice();return h.destroy(),new g(m)}dispose(){this._samplerCache.clear()}_getDefaultTextureGPU(e){let t=this.defaultTexture[e];if(void 0===t){const r=new N;r.minFilter=B,r.magFilter=B,this.createTexture(r,{width:1,height:1,format:e}),this.defaultTexture[e]=t=r}return this.backend.get(t).texture}_getDefaultCubeTextureGPU(e){let t=this.defaultCubeTexture[e];if(void 0===t){const r=new U;r.minFilter=B,r.magFilter=B,this.createTexture(r,{width:1,height:1,depth:6}),this.defaultCubeTexture[e]=t=r}return this.backend.get(t).texture}_copyCubeMapToTexture(e,t,r){const s=e.images,i=e.mipmaps;for(let n=0;n<6;n++){const a=s[n],o=!0===e.flipY?AM[n]:n;a.isDataTexture?this._copyBufferToTexture(a.image,t,r,o,e.flipY):this._copyImageToTexture(a,t,r,o,e.flipY,e.premultiplyAlpha);for(let s=0;s<i.length;s++){const a=i[s].images[n];a.isDataTexture?this._copyBufferToTexture(a.image,t,r,o,e.flipY,0,s+1):this._copyImageToTexture(a,t,r,o,e.flipY,e.premultiplyAlpha,s+1)}}}_copyImageToTexture(e,t,r,s,i,n,a=0){const o=this.backend.device,u=a>0?e.width:r.size.width,l=a>0?e.height:r.size.height;NM.source=e,NM.flipY=i,SM.texture=t,SM.mipLevel=a,SM.origin.z=s,SM.premultipliedAlpha=n,EM.width=u,EM.height=l;try{o.queue.copyExternalImageToTexture(NM,SM,EM)}catch(e){}finally{NM.reset(),SM.reset(),EM.reset()}}_getPassUtils(){let e=this._passUtils;return null===e&&(this._passUtils=e=new gM(this.backend.device)),e}_generateMipmaps(e,t=null){this._getPassUtils().generateMipmaps(e,t)}_flipY(e,t,r=0){this._getPassUtils().flipY(e,t,r)}_copyBufferToTexture(e,t,r,s,i,n=0,a=0){const o=this.backend.device,u=e.data,l=this._getBytesPerTexel(r.format),d=e.width*l;TM.texture=t,TM.mipLevel=a,TM.origin.z=s,vM.offset=e.width*e.height*l*n,vM.bytesPerRow=d,EM.width=e.width,EM.height=e.height,o.queue.writeTexture(TM,u,vM,EM),TM.reset(),vM.reset(),EM.reset(),!0===i&&this._flipY(t,r,s)}_copyCompressedBufferToTexture(e,t,r,s=null){const i=this.backend.device,n=this._getBlockData(r.format),a=r.size.depthOrArrayLayers>1,o=s&&s.size>0?s:null;for(let s=0;s<e.length;s++){const u=e[s],l=u.width,d=u.height,c=a?r.size.depthOrArrayLayers:1,h=Math.ceil(l/n.width)*n.byteLength,p=Math.ceil(d/n.height),g=h*p,m=Math.ceil(l/n.width)*n.width,f=p*n.height;if(null!==o)for(const e of o)CM(i,t,s,e,u,g,h,p,m,f);else for(let e=0;e<c;e++)CM(i,t,s,e,u,g,h,p,m,f)}}_getBlockData(e){return e===kw||e===Gw?{byteLength:8,width:4,height:4}:e===$w||e===zw||e===Ww||e===Hw?{byteLength:16,width:4,height:4}:e===jw||e===qw?{byteLength:8,width:4,height:4}:e===Xw||e===Yw||e===Qw||e===Kw||e===Zw||e===Jw?{byteLength:16,width:4,height:4}:e===eA||e===tA||e===rA||e===sA?{byteLength:8,width:4,height:4}:e===iA||e===nA?{byteLength:16,width:4,height:4}:e===aA||e===oA?{byteLength:8,width:4,height:4}:e===uA||e===lA||e===dA||e===cA?{byteLength:16,width:4,height:4}:e===hA||e===pA?{byteLength:16,width:5,height:4}:e===gA||e===mA?{byteLength:16,width:5,height:5}:e===fA||e===yA?{byteLength:16,width:6,height:5}:e===bA||e===xA?{byteLength:16,width:6,height:6}:e===TA||e===_A?{byteLength:16,width:8,height:5}:e===vA||e===NA?{byteLength:16,width:8,height:6}:e===SA||e===RA?{byteLength:16,width:8,height:8}:e===EA||e===wA?{byteLength:16,width:10,height:5}:e===AA||e===CA?{byteLength:16,width:10,height:6}:e===MA||e===BA?{byteLength:16,width:10,height:8}:e===LA||e===FA?{byteLength:16,width:10,height:10}:e===PA||e===UA?{byteLength:16,width:12,height:10}:e===DA||e===IA?{byteLength:16,width:12,height:12}:void 0}_convertAddressMode(e){let t=OA;return e===$r?t=VA:e===Gr&&(t=kA),t}_convertFilterMode(e){let t=GA;return e!==B&&e!==zr&&e!==bt||(t=$A),t}_convertMipmapFilterMode(e){return e===bt||e===K?GA:$A}_getBytesPerTexel(e){return e===qE||e===XE||e===YE||e===QE?1:e===KE||e===ZE||e===JE||e===ew||e===tw||e===rw||e===sw||e===iw||e===nw?2:e===aw||e===ow||e===uw||e===lw||e===dw||e===cw||e===hw||e===pw||e===gw||e===mw||e===fw||e===yw||e===bw||e===xw||e===Tw||e===_w||e===vw||e===Nw||e===Ow||e===Dw||e===Iw||e===Vw?4:e===Sw||e===Rw||e===Ew||e===ww||e===Aw||e===Cw||e===Mw||e===Bw?8:e===Lw||e===Fw||e===Pw?16:void 0}_getTypedArrayType(e){return e===YE?Uint8Array:e===QE?Int8Array:e===qE?Uint8Array:e===XE?Int8Array:e===rw?Uint8Array:e===sw?Int8Array:e===ew?Uint8Array:e===tw?Int8Array:e===mw?Uint8Array:e===fw?Int8Array:e===hw||e===pw?Uint8Array:e===gw?Int8Array:e===KE?Uint16Array:e===ZE?Int16Array:e===lw?Uint16Array:e===dw?Int16Array:e===ww?Uint16Array:e===Aw?Int16Array:e===JE||e===cw||e===Cw||e===iw?Uint16Array:e===nw?Int16Array:e===xw?Uint16Array:e===Tw?Int16Array:e===Mw?Uint16Array:e===Bw?Int16Array:e===aw?Uint32Array:e===ow?Int32Array:e===uw?Float32Array:e===Sw?Uint32Array:e===Rw?Int32Array:e===Ew?Float32Array:e===Lw?Uint32Array:e===Fw?Int32Array:e===Pw?Float32Array:e===yw||e===bw?Uint8Array:e===vw||e===_w||e===Nw?Uint32Array:e===Ow?Float32Array:e===Dw||e===Iw?Uint32Array:e===Vw?Float32Array:void 0}_getDimension(e){let t;return t=e.is3DTexture||e.isData3DTexture?MC:CC,t}}function BM(e,t){const r=e.format,s=e.type,i=e.normalized,n=e.colorSpace,a=p.getTransfer(n);let u,l=!1;if(i&&(l=t.features.has(OC.TextureFormatsTier1),!1===l&&d("WebGPURenderer: Unable to use normalized textures without texture-formats-tier1 feature.")),!0===e.isCompressedTexture||!0===e.isCompressedArrayTexture)switch(r){case or:case ur:u=a===g?Gw:kw;break;case lr:u=a===g?zw:$w;break;case dr:u=a===g?Hw:Ww;break;case Or:u=jw;break;case Vr:u=qw;break;case W:u=Xw;break;case kr:u=Yw;break;case Ur:u=a===g?Jw:Zw;break;case Dr:u=Kw;break;case Ir:u=Qw;break;case fr:case mr:u=a===g?tA:eA;break;case yr:u=a===g?nA:iA;break;case br:u=aA;break;case xr:u=oA;break;case H:u=uA;break;case Tr:u=lA;break;case _r:u=a===g?cA:dA;break;case vr:u=a===g?pA:hA;break;case Nr:u=a===g?mA:gA;break;case Sr:u=a===g?yA:fA;break;case Rr:u=a===g?xA:bA;break;case Er:u=a===g?_A:TA;break;case wr:u=a===g?NA:vA;break;case Ar:u=a===g?RA:SA;break;case Cr:u=a===g?wA:EA;break;case Mr:u=a===g?CA:AA;break;case Br:u=a===g?BA:MA;break;case Lr:u=a===g?FA:LA;break;case Fr:u=a===g?UA:PA;break;case Pr:u=a===g?IA:DA;break;case Ee:u=a===g?pw:hw;break;default:o("WebGPURenderer: Unsupported texture format.",r)}else switch(r){case Ee:switch(s){case Oe:u=gw;break;case ke:u=l?Bw:Aw;break;case Ge:u=l?Mw:ww;break;case S:u=Lw;break;case R:u=Fw;break;case Ve:u=a===g?pw:hw;break;case Te:u=Cw;break;case Y:u=Pw;break;default:o("WebGPURenderer: Unsupported texture type with RGBAFormat.",s)}break;case Xe:switch(s){case Je:u=_w;break;case et:u=Nw;break;default:o("WebGPURenderer: Unsupported texture type with RGBFormat.",s)}break;case ze:switch(s){case Oe:u=XE;break;case ke:u=l?nw:ZE;break;case Ge:u=l?iw:KE;break;case S:u=aw;break;case R:u=ow;break;case Ve:u=qE;break;case Te:u=JE;break;case Y:u=uw;break;default:o("WebGPURenderer: Unsupported texture type with RedFormat.",s)}break;case z:switch(s){case Oe:u=tw;break;case ke:u=l?Tw:dw;break;case Ge:u=l?xw:lw;break;case S:u=Sw;break;case R:u=Rw;break;case Ve:u=ew;break;case Te:u=cw;break;case Y:u=Ew;break;default:o("WebGPURenderer: Unsupported texture type with RGFormat.",s)}break;case He:switch(s){case Ge:u=Uw;break;case S:u=Dw;break;case Y:u=Ow;break;default:o("WebGPURenderer: Unsupported texture type with DepthFormat.",s)}break;case je:switch(s){case Ze:u=Iw;break;case Y:t&&!1===t.features.has(OC.Depth32FloatStencil8)&&o('WebGPURenderer: Depth textures with DepthStencilFormat + FloatType can only be used with the "depth32float-stencil8" GPU feature.'),u=Vw;break;default:o("WebGPURenderer: Unsupported texture type with DepthStencilFormat.",s)}break;case We:switch(s){case R:u=ow;break;case S:u=aw;break;default:o("WebGPURenderer: Unsupported texture type with RedIntegerFormat.",s)}break;case qe:switch(s){case R:u=Rw;break;case S:u=Sw;break;default:o("WebGPURenderer: Unsupported texture type with RGIntegerFormat.",s)}break;case Ft:switch(s){case R:u=Fw;break;case S:u=Lw;break;default:o("WebGPURenderer: Unsupported texture type with RGBAIntegerFormat.",s)}break;default:o("WebGPURenderer: Unsupported texture format.",r)}return u}const LM=/^[fn]*\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)\s*[\-\>]*\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/i,FM=/([a-z_0-9]+)\s*:\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/gi,PM={f32:"float",i32:"int",u32:"uint",bool:"bool","vec2<f32>":"vec2","vec2<i32>":"ivec2","vec2<u32>":"uvec2","vec2<bool>":"bvec2",vec2f:"vec2",vec2i:"ivec2",vec2u:"uvec2",vec2b:"bvec2","vec3<f32>":"vec3","vec3<i32>":"ivec3","vec3<u32>":"uvec3","vec3<bool>":"bvec3",vec3f:"vec3",vec3i:"ivec3",vec3u:"uvec3",vec3b:"bvec3","vec4<f32>":"vec4","vec4<i32>":"ivec4","vec4<u32>":"uvec4","vec4<bool>":"bvec4",vec4f:"vec4",vec4i:"ivec4",vec4u:"uvec4",vec4b:"bvec4","mat2x2<f32>":"mat2",mat2x2f:"mat2","mat3x3<f32>":"mat3",mat3x3f:"mat3","mat4x4<f32>":"mat4",mat4x4f:"mat4",sampler:"sampler",texture_1d:"texture",texture_2d:"texture",texture_2d_array:"texture",texture_multisampled_2d:"cubeTexture",texture_depth_2d:"depthTexture",texture_depth_2d_array:"depthTexture",texture_depth_multisampled_2d:"depthTexture",texture_depth_cube:"depthTexture",texture_depth_cube_array:"depthTexture",texture_3d:"texture3D",texture_cube:"cubeTexture",texture_cube_array:"cubeTexture",texture_storage_1d:"storageTexture",texture_storage_2d:"storageTexture",texture_storage_2d_array:"storageTexture",texture_storage_3d:"storageTexture"};class UM extends qS{constructor(e){const{type:t,inputs:r,name:s,inputsCode:i,blockCode:n,outputType:a}=(e=>{const t=(e=e.trim()).match(LM);if(null!==t&&4===t.length){const r=t[2],s=[];let i=null;for(;null!==(i=FM.exec(r));)s.push({name:i[1],type:i[2]});const n=[];for(let e=0;e<s.length;e++){const{name:t,type:r}=s[e];let i=r;i.startsWith("ptr")?i="pointer":(i.startsWith("texture")&&(i=r.split("<")[0]),i=PM[i]),n.push(new FS(i,t))}const a=e.substring(t[0].length),o=t[3]||"void",u=void 0!==t[1]?t[1]:"";return{type:PM[o]||o,inputs:n,name:u,inputsCode:r,blockCode:a,outputType:o}}throw new Error("THREE.WGSLNodeFunction: Function is not a WGSL code.")})(e);super(t,r,s),this.inputsCode=i,this.blockCode=n,this.outputType=a}getCode(e=this.name){const t="void"!==this.outputType?"-> "+this.outputType:"";return`fn ${e} ( ${this.inputsCode.trim()} ) ${t}`+this.blockCode}}class DM extends jS{parseFunction(e){return new UM(e)}}const IM={[ai.READ_ONLY]:"read",[ai.WRITE_ONLY]:"write",[ai.READ_WRITE]:"read_write"},OM={[$r]:"repeat",[_e]:"clamp",[Gr]:"mirror"},VM={vertex:CE.VERTEX,fragment:CE.FRAGMENT,compute:CE.COMPUTE},kM={instance:!0,swizzleAssign:!1,storageBuffer:!0},GM={"^^":"tsl_xor"},$M={float:"f32",int:"i32",uint:"u32",bool:"bool",color:"vec3<f32>",vec2:"vec2<f32>",ivec2:"vec2<i32>",uvec2:"vec2<u32>",bvec2:"vec2<bool>",vec3:"vec3<f32>",ivec3:"vec3<i32>",uvec3:"vec3<u32>",bvec3:"vec3<bool>",vec4:"vec4<f32>",ivec4:"vec4<i32>",uvec4:"vec4<u32>",bvec4:"vec4<bool>",mat2:"mat2x2<f32>",mat3:"mat3x3<f32>",mat4:"mat4x4<f32>"},zM={},WM={tsl_xor:new jT("fn tsl_xor( a : bool, b : bool ) -> bool { return ( a || b ) && !( a && b ); }"),mod_float:new jT("fn tsl_mod_float( x : f32, y : f32 ) -> f32 { return x - y * floor( x / y ); }"),mod_vec2:new jT("fn tsl_mod_vec2( x : vec2f, y : vec2f ) -> vec2f { return x - y * floor( x / y ); }"),mod_vec3:new jT("fn tsl_mod_vec3( x : vec3f, y : vec3f ) -> vec3f { return x - y * floor( x / y ); }"),mod_vec4:new jT("fn tsl_mod_vec4( x : vec4f, y : vec4f ) -> vec4f { return x - y * floor( x / y ); }"),equals_bool:new jT("fn tsl_equals_bool( a : bool, b : bool ) -> bool { return a == b; }"),equals_bvec2:new jT("fn tsl_equals_bvec2( a : vec2f, b : vec2f ) -> vec2<bool> { return vec2<bool>( a.x == b.x, a.y == b.y ); }"),equals_bvec3:new jT("fn tsl_equals_bvec3( a : vec3f, b : vec3f ) -> vec3<bool> { return vec3<bool>( a.x == b.x, a.y == b.y, a.z == b.z ); }"),equals_bvec4:new jT("fn tsl_equals_bvec4( a : vec4f, b : vec4f ) -> vec4<bool> { return vec4<bool>( a.x == b.x, a.y == b.y, a.z == b.z, a.w == b.w ); }"),repeatWrapping_float:new jT("fn tsl_repeatWrapping_float( coord: f32 ) -> f32 { return fract( coord ); }"),mirrorWrapping_float:new jT("fn tsl_mirrorWrapping_float( coord: f32 ) -> f32 { let mirrored = fract( coord * 0.5 ) * 2.0; return 1.0 - abs( 1.0 - mirrored ); }"),clampWrapping_float:new jT("fn tsl_clampWrapping_float( coord: f32 ) -> f32 { return clamp( coord, 0.0, 1.0 ); }"),inverse_mat2:new jT("\nfn tsl_inverse_mat2( m : mat2x2<f32> ) -> mat2x2<f32> {\n\n\tlet det = m[ 0 ][ 0 ] * m[ 1 ][ 1 ] - m[ 0 ][ 1 ] * m[ 1 ][ 0 ];\n\n\treturn mat2x2<f32>(\n\t\tm[ 1 ][ 1 ], - m[ 0 ][ 1 ],\n\t\t- m[ 1 ][ 0 ], m[ 0 ][ 0 ]\n\t) * ( 1.0 / det );\n\n}\n"),inverse_mat3:new jT("\nfn tsl_inverse_mat3( m : mat3x3<f32> ) -> mat3x3<f32> {\n\n\tlet a00 = m[ 0 ][ 0 ]; let a01 = m[ 0 ][ 1 ]; let a02 = m[ 0 ][ 2 ];\n\tlet a10 = m[ 1 ][ 0 ]; let a11 = m[ 1 ][ 1 ]; let a12 = m[ 1 ][ 2 ];\n\tlet a20 = m[ 2 ][ 0 ]; let a21 = m[ 2 ][ 1 ]; let a22 = m[ 2 ][ 2 ];\n\n\tlet b01 = a22 * a11 - a12 * a21;\n\tlet b11 = - a22 * a10 + a12 * a20;\n\tlet b21 = a21 * a10 - a11 * a20;\n\n\tlet det = a00 * b01 + a01 * b11 + a02 * b21;\n\n\treturn mat3x3<f32>(\n\t\tb01, ( - a22 * a01 + a02 * a21 ), ( a12 * a01 - a02 * a11 ),\n\t\tb11, ( a22 * a00 - a02 * a20 ), ( - a12 * a00 + a02 * a10 ),\n\t\tb21, ( - a21 * a00 + a01 * a20 ), ( a11 * a00 - a01 * a10 )\n\t) * ( 1.0 / det );\n\n}\n"),inverse_mat4:new jT("\nfn tsl_inverse_mat4( m : mat4x4<f32> ) -> mat4x4<f32> {\n\n\tlet a00 = m[ 0 ][ 0 ]; let a01 = m[ 0 ][ 1 ]; let a02 = m[ 0 ][ 2 ]; let a03 = m[ 0 ][ 3 ];\n\tlet a10 = m[ 1 ][ 0 ]; let a11 = m[ 1 ][ 1 ]; let a12 = m[ 1 ][ 2 ]; let a13 = m[ 1 ][ 3 ];\n\tlet a20 = m[ 2 ][ 0 ]; let a21 = m[ 2 ][ 1 ]; let a22 = m[ 2 ][ 2 ]; let a23 = m[ 2 ][ 3 ];\n\tlet a30 = m[ 3 ][ 0 ]; let a31 = m[ 3 ][ 1 ]; let a32 = m[ 3 ][ 2 ]; let a33 = m[ 3 ][ 3 ];\n\n\tlet b00 = a00 * a11 - a01 * a10;\n\tlet b01 = a00 * a12 - a02 * a10;\n\tlet b02 = a00 * a13 - a03 * a10;\n\tlet b03 = a01 * a12 - a02 * a11;\n\tlet b04 = a01 * a13 - a03 * a11;\n\tlet b05 = a02 * a13 - a03 * a12;\n\tlet b06 = a20 * a31 - a21 * a30;\n\tlet b07 = a20 * a32 - a22 * a30;\n\tlet b08 = a20 * a33 - a23 * a30;\n\tlet b09 = a21 * a32 - a22 * a31;\n\tlet b10 = a21 * a33 - a23 * a31;\n\tlet b11 = a22 * a33 - a23 * a32;\n\n\tlet det = b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06;\n\n\treturn mat4x4<f32>(\n\t\ta11 * b11 - a12 * b10 + a13 * b09,\n\t\ta02 * b10 - a01 * b11 - a03 * b09,\n\t\ta31 * b05 - a32 * b04 + a33 * b03,\n\t\ta22 * b04 - a21 * b05 - a23 * b03,\n\t\ta12 * b08 - a10 * b11 - a13 * b07,\n\t\ta00 * b11 - a02 * b08 + a03 * b07,\n\t\ta32 * b02 - a30 * b05 - a33 * b01,\n\t\ta20 * b05 - a22 * b02 + a23 * b01,\n\t\ta10 * b10 - a11 * b08 + a13 * b06,\n\t\ta01 * b08 - a00 * b10 - a03 * b06,\n\t\ta30 * b04 - a31 * b02 + a33 * b00,\n\t\ta21 * b02 - a20 * b04 - a23 * b00,\n\t\ta11 * b07 - a10 * b09 - a12 * b06,\n\t\ta00 * b09 - a01 * b07 + a02 * b06,\n\t\ta31 * b01 - a30 * b03 - a32 * b00,\n\t\ta20 * b03 - a21 * b01 + a22 * b00\n\t) * ( 1.0 / det );\n\n}\n"),biquadraticTexture:new jT("\nfn tsl_biquadraticTexture( map : texture_2d<f32>, coord : vec2f, iRes : vec2u, level : u32 ) -> vec4f {\n\n\tlet res = vec2f( iRes );\n\n\tlet uvScaled = coord * res;\n\tlet uvWrapping = ( ( uvScaled % res ) + res ) % res;\n\n\t// https://www.shadertoy.com/view/WtyXRy\n\n\tlet uv = uvWrapping - 0.5;\n\tlet iuv = floor( uv );\n\tlet f = fract( uv );\n\n\tlet rg1 = textureLoad( map, vec2u( iuv + vec2( 0.5, 0.5 ) ) % iRes, level );\n\tlet rg2 = textureLoad( map, vec2u( iuv + vec2( 1.5, 0.5 ) ) % iRes, level );\n\tlet rg3 = textureLoad( map, vec2u( iuv + vec2( 0.5, 1.5 ) ) % iRes, level );\n\tlet rg4 = textureLoad( map, vec2u( iuv + vec2( 1.5, 1.5 ) ) % iRes, level );\n\n\treturn mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );\n\n}\n"),biquadraticTextureArray:new jT("\nfn tsl_biquadraticTexture_array( map : texture_2d_array<f32>, coord : vec2f, iRes : vec2u, layer : u32, level : u32 ) -> vec4f {\n\n\tlet res = vec2f( iRes );\n\n\tlet uvScaled = coord * res;\n\tlet uvWrapping = ( ( uvScaled % res ) + res ) % res;\n\n\t// https://www.shadertoy.com/view/WtyXRy\n\n\tlet uv = uvWrapping - 0.5;\n\tlet iuv = floor( uv );\n\tlet f = fract( uv );\n\n\tlet rg1 = textureLoad( map, vec2u( iuv + vec2( 0.5, 0.5 ) ) % iRes, layer, level );\n\tlet rg2 = textureLoad( map, vec2u( iuv + vec2( 1.5, 0.5 ) ) % iRes, layer, level );\n\tlet rg3 = textureLoad( map, vec2u( iuv + vec2( 0.5, 1.5 ) ) % iRes, layer, level );\n\tlet rg4 = textureLoad( map, vec2u( iuv + vec2( 1.5, 1.5 ) ) % iRes, layer, level );\n\n\treturn mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );\n\n}\n")},HM={dFdx:"dpdx",dFdy:"- dpdy",mod_float:"tsl_mod_float",mod_vec2:"tsl_mod_vec2",mod_vec3:"tsl_mod_vec3",mod_vec4:"tsl_mod_vec4",equals_bool:"tsl_equals_bool",equals_bvec2:"tsl_equals_bvec2",equals_bvec3:"tsl_equals_bvec3",equals_bvec4:"tsl_equals_bvec4",inverse_mat2:"tsl_inverse_mat2",inverse_mat3:"tsl_inverse_mat3",inverse_mat4:"tsl_inverse_mat4",inversesqrt:"inverseSqrt",bitcast:"bitcast<f32>",floatpack_snorm_2x16:"pack2x16snorm",floatpack_unorm_2x16:"pack2x16unorm",floatpack_float16_2x16:"pack2x16float",floatunpack_snorm_2x16:"unpack2x16snorm",floatunpack_unorm_2x16:"unpack2x16unorm",floatunpack_float16_2x16:"unpack2x16float"};let jM="";!0!==("undefined"!=typeof navigator&&/Firefox|Deno/g.test(navigator.userAgent))&&(jM+="diagnostic( off, derivative_uniformity );\n");class qM extends BS{constructor(e,t){super(e,t,new DM),this.uniformGroups={},this.uniformGroupsBindings={},this.builtins={},this.directives={},this.scopedArrays=new Map,this.allowEarlyReturns=!0,this.allowGlobalVariables=!0}_generateTextureSample(e,t,r,s,i,n=this.shaderStage){return"fragment"===n?s?i?`textureSample( ${t}, ${t}_sampler, ${r}, ${s}, ${i} )`:`textureSample( ${t}, ${t}_sampler, ${r}, ${s} )`:i?`textureSample( ${t}, ${t}_sampler, ${r}, ${i} )`:`textureSample( ${t}, ${t}_sampler, ${r} )`:this.generateTextureSampleLevel(e,t,r,"0",s)}generateTextureSampleLevel(e,t,r,s,i,n){return!1===this.isUnfilterable(e)?i?n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s} )`:this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r,n,s,i):this.generateTextureLod(e,t,r,i,n,s)}generateWrapFunction(e){const t=`tsl_coord_${OM[e.wrapS]}S_${OM[e.wrapT]}T_${e.is3DTexture||e.isData3DTexture?"3d":"2d"}`;let r=zM[t];if(void 0===r){const s=[],i=e.is3DTexture||e.isData3DTexture?"vec3f":"vec2f";let n=`fn ${t}( coord : ${i} ) -> ${i} {\n\n\treturn ${i}(\n`;const a=(e,t)=>{e===$r?(s.push(WM.repeatWrapping_float),n+=`\t\ttsl_repeatWrapping_float( coord.${t} )`):e===_e?(s.push(WM.clampWrapping_float),n+=`\t\ttsl_clampWrapping_float( coord.${t} )`):e===Gr?(s.push(WM.mirrorWrapping_float),n+=`\t\ttsl_mirrorWrapping_float( coord.${t} )`):(n+=`\t\tcoord.${t}`,d(`WebGPURenderer: Unsupported texture wrap type "${e}" for vertex shader.`))};a(e.wrapS,"x"),n+=",\n",a(e.wrapT,"y"),(e.is3DTexture||e.isData3DTexture)&&(n+=",\n",a(e.wrapR,"z")),n+="\n\t);\n\n}\n",zM[t]=r=new jT(n,s)}return r.build(this),t}generateArrayDeclaration(e,t){return`array< ${this.getType(e)}, ${t} >`}generateTextureDimension(e,t,r){const s=this.getDataFromNode(e,this.shaderStage,this.cache);void 0===s.dimensionsSnippet&&(s.dimensionsSnippet={});let i=s.dimensionsSnippet[r];if(void 0===s.dimensionsSnippet[r]){let n,a;const{primarySamples:o}=this.renderer.backend.utils.getTextureSampleData(e),u=o>1;a=e.is3DTexture||e.isData3DTexture?"vec3<u32>":"vec2<u32>",n=u||e.isStorageTexture?t:`${t}${r?`, u32( ${r} )`:""}`,i=new ku(new Fl(`textureDimensions( ${n} )`,a)),s.dimensionsSnippet[r]=i,(e.isArrayTexture||e.isDataArrayTexture||e.is3DTexture||e.isData3DTexture)&&(s.arrayLayerCount=new ku(new Fl(`textureNumLayers(${t})`,"u32"))),e.isTextureCube&&(s.cubeFaceCount=new ku(new Fl("6u","u32")))}return i.build(this)}generateFilteredTexture(e,t,r,s,i="0u",n){const a=this.generateWrapFunction(e),o=this.generateTextureDimension(e,t,i);return s&&(r=`${r} + vec2<f32>(${s}) / ${o}`),n?(this._include("biquadraticTextureArray"),`tsl_biquadraticTexture_array( ${t}, ${a}( ${r} ), ${o}, u32( ${n} ), u32( ${i} ) )`):(this._include("biquadraticTexture"),`tsl_biquadraticTexture( ${t}, ${a}( ${r} ), ${o}, u32( ${i} ) )`)}generateTextureLod(e,t,r,s,i,n="0u"){if(!0===e.isCubeTexture){i&&(r=`${r} + vec3<f32>(${i})`);return`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${e.isDepthTexture?"u32":"f32"}( ${n} ) )`}const a=this.generateWrapFunction(e),o=this.generateTextureDimension(e,t,n),u=e.is3DTexture||e.isData3DTexture?"vec3":"vec2";i&&(r=`${r} + ${u}<f32>(${i}) / ${u}<f32>( ${o} )`);return r=`${u}<u32>( clamp( floor( ${a}( ${r} ) * ${u}<f32>( ${o} ) ), ${`${u}<f32>( 0 )`}, ${`${u}<f32>( ${o} - ${"vec3"===u?"vec3<u32>( 1, 1, 1 )":"vec2<u32>( 1, 1 )"} )`} ) )`,this.generateTextureLoad(e,t,r,n,s,null)}generateStorageTextureLoad(e,t,r,s,i,n){let a;return n&&(r=`${r} + ${n}`),a=i?`textureLoad( ${t}, ${r}, ${i} )`:`textureLoad( ${t}, ${r} )`,a}generateTextureLoad(e,t,r,s,i,n){let a;return null===s&&(s="0u"),n&&(r=`${r} + ${n}`),i?a=`textureLoad( ${t}, ${r}, ${i}, u32( ${s} ) )`:(a=`textureLoad( ${t}, ${r}, u32( ${s} ) )`,this.renderer.backend.compatibilityMode&&e.isDepthTexture&&(a+=".x")),a}generateTextureStore(e,t,r,s,i){let n;return n=s?`textureStore( ${t}, ${r}, ${s}, ${i} )`:`textureStore( ${t}, ${r}, ${i} )`,n}isSampleCompare(e){return!0===e.isDepthTexture&&null!==e.compareFunction&&this.renderer.hasCompatibility(E.TEXTURE_COMPARE)}isUnfilterable(e){return"float"!==this.getComponentTypeFromTexture(e)||!this.isAvailable("float32Filterable")&&e.type===Y||!1===this.isSampleCompare(e)&&e.minFilter===B&&e.magFilter===B||this.renderer.backend.utils.getTextureSampleData(e).primarySamples>1}generateTexture(e,t,r,s,i,n=this.shaderStage){let a=null;return a=this.isUnfilterable(e)?this.generateTextureLod(e,t,r,s,i,"0",n):this._generateTextureSample(e,t,r,s,i,n),a}generateTextureGrad(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return i?n?`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${i}, ${s[0]}, ${s[1]}, ${n} )`:`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${i}, ${s[0]}, ${s[1]} )`:n?`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${s[0]}, ${s[1]}, ${n} )`:`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${s[0]}, ${s[1]} )`;o(`WebGPURenderer: THREE.TextureNode.gradient() does not support ${a} shader.`)}generateTextureCompare(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return!0===e.isDepthTexture&&!0===e.isArrayTexture?n?`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${s} )`;o(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${a} shader.`)}generateTextureGather(e,t,r,s,i,n){const a=!0===e.isDepthTexture?"":`${s}, `;return i?n?`textureGather( ${a}${t}, ${t}_sampler, ${r}, ${i}, ${n} )`:`textureGather( ${a}${t}, ${t}_sampler, ${r}, ${i} )`:n?`textureGather( ${a}${t}, ${t}_sampler, ${r}, ${n} )`:`textureGather( ${a}${t}, ${t}_sampler, ${r})`}generateTextureGatherCompare(e,t,r,s,i,n){return i?n?`textureGatherCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureGatherCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s})`:n?`textureGatherCompare( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureGatherCompare( ${t}, ${t}_sampler, ${r}, ${s})`}generateTextureLevel(e,t,r,s,i,n){return!1===this.isUnfilterable(e)?i?n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s} )`:this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r,n,s,i):this.generateTextureLod(e,t,r,i,n,s)}generateTextureBias(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return i?n?`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${s} )`;o(`WebGPURenderer: THREE.TextureNode.biasNode does not support ${a} shader.`)}getPropertyName(e,t=this.shaderStage){if(!0===e.isNodeVarying&&!0===e.needsInterpolation){if("vertex"===t)return`varyings.${e.name}`}else if(!0===e.isNodeUniform){const t=e.name,r=e.type;return"texture"===r||"cubeTexture"===r||"cubeDepthTexture"===r||"storageTexture"===r||"texture3D"===r?t:"buffer"===r||"storageBuffer"===r||"indirectStorageBuffer"===r?this.isCustomStruct(e)?t:t+".value":e.groupNode.name+"."+t}return super.getPropertyName(e)}getOutputStructName(){return"output"}getFunctionOperator(e){const t=GM[e];return void 0!==t?(this._include(t),t):null}getNodeAccess(e,t){return"compute"!==t?!0===e.isAtomic?(d("WebGPURenderer: Atomic operations are only supported in compute shaders."),ai.READ_WRITE):ai.READ_ONLY:e.access}getStorageAccess(e,t){return IM[this.getNodeAccess(e,t)]}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);if(void 0===n.uniformGPU){let a;const o=e.groupNode,u=o.name,l=this.getBindGroupArray(u,r);if("texture"===t||"cubeTexture"===t||"cubeDepthTexture"===t||"storageTexture"===t||"texture3D"===t){let s=null;const n=this.getNodeAccess(e,r);"texture"===t||"storageTexture"===t?s=!0===e.value.is3DTexture?new qR(i.name,i.node,o,n):new HR(i.name,i.node,o,n):"cubeTexture"===t||"cubeDepthTexture"===t?s=new jR(i.name,i.node,o,n):"texture3D"===t&&(s=new qR(i.name,i.node,o,n)),s.store=!0===e.isStorageTextureNode,s.mipLevel=s.store?e.mipLevel:0,s.setVisibility(VM[r]);if(!0===e.value.isCubeTexture||!1===this.isUnfilterable(e.value)&&!1===s.store||null!==e.gatherNode){const e=new kC(`${i.name}_sampler`,i.node,o);e.setVisibility(VM[r]),l.push(e,s),a=[e,s]}else l.push(s),a=[s]}else if("buffer"===t||"storageBuffer"===t||"indirectStorageBuffer"===t){const n=this.getSharedDataFromNode(e);let u=n.buffer;if(void 0===u){u=new("buffer"===t?OR:zC)(e,o),n.buffer=u}u.setVisibility(u.getVisibility()|VM[r]),l.push(u),a=u,i.name=s||"NodeBuffer_"+i.id}else{let e=this.uniformGroups[u];void 0===e&&(e=new GR(u,o),e.setVisibility(CE.VERTEX|CE.FRAGMENT|CE.COMPUTE),this.uniformGroups[u]=e),-1===l.indexOf(e)&&l.push(e),a=this.getNodeUniform(i,t);const r=a.name;e.uniforms.some(e=>e.name===r)||e.addUniform(a)}n.uniformGPU=a}return i}getBuiltin(e,t,r,s=this.shaderStage){const i=this.builtins[s]||(this.builtins[s]=new Map);return!1===i.has(e)&&i.set(e,{name:e,property:t,type:r}),t}hasBuiltin(e,t=this.shaderStage){return void 0!==this.builtins[t]&&this.builtins[t].has(e)}getVertexIndex(){return"vertex"===this.shaderStage?this.getBuiltin("vertex_index","vertexIndex","u32","attribute"):"vertexIndex"}buildFunctionCode(e){const t=e.layout,r=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(e.name+" : "+this.getType(e.type));let i=`fn ${t.name}( ${s.join(", ")} ) -> ${this.getType(t.type)} {\n${r.vars}\n${r.code}\n`;return r.result&&(i+=`\treturn ${r.result};\n`),i+="\n}\n",i}getInstanceIndex(){return"vertex"===this.shaderStage?this.getBuiltin("instance_index","instanceIndex","u32","attribute"):"instanceIndex"}getInvocationLocalIndex(){return this.getBuiltin("local_invocation_index","invocationLocalIndex","u32","attribute")}getSubgroupSize(){return this.enableSubGroups(),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute")}getInvocationSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_invocation_id","invocationSubgroupIndex","u32","attribute")}getSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_id","subgroupIndex","u32","attribute")}getDrawIndex(){return null}getFrontFacing(){return this.getBuiltin("front_facing","isFront","bool")}getFragCoord(){return this.getBuiltin("position","fragCoord","vec4<f32>")+".xy"}getFragDepth(){return"output."+this.getBuiltin("frag_depth","depth","f32","output")}getClipDistance(){return"varyings.hw_clip_distances"}isFlipY(){return!1}enableDirective(e,t=this.shaderStage){(this.directives[t]||(this.directives[t]=new Set)).add(e)}getDirectives(e){const t=[],r=this.directives[e];if(void 0!==r)for(const e of r)t.push(`enable ${e};`);return t.join("\n")}enableSubGroups(){this.enableDirective("subgroups")}enableSubgroupsF16(){this.enableDirective("subgroups-f16")}enableClipDistances(){this.enableDirective("clip_distances")}enableShaderF16(){this.enableDirective("f16")}enableDualSourceBlending(){this.enableDirective("dual_source_blending")}enableHardwareClipping(e){this.enableClipDistances(),this.getBuiltin("clip_distances","hw_clip_distances",`array<f32, ${e} >`,"vertex")}getBuiltins(e){const t=[],r=this.builtins[e];if(void 0!==r)for(const{name:e,property:s,type:i}of r.values())t.push(`@builtin( ${e} ) ${s} : ${i}`);return t.join(",\n\t")}getScopedArray(e,t,r,s){return!1===this.scopedArrays.has(e)&&this.scopedArrays.set(e,{name:e,scope:t,bufferType:r,bufferCount:s}),e}getScopedArrays(e){if("compute"!==e)return;const t=[];for(const{name:e,scope:r,bufferType:s,bufferCount:i}of this.scopedArrays.values()){const n=this.getType(s);t.push(`var<${r}> ${e}: array< ${n}, ${i} >;`)}return t.join("\n")}getAttributes(e){const t=[];if("compute"===e&&(this.getBuiltin("global_invocation_id","globalId","vec3<u32>","attribute"),this.getBuiltin("workgroup_id","workgroupId","vec3<u32>","attribute"),this.getBuiltin("local_invocation_id","localId","vec3<u32>","attribute"),this.getBuiltin("num_workgroups","numWorkgroups","vec3<u32>","attribute"),this.renderer.hasFeature("subgroups")&&(this.enableDirective("subgroups",e),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute"))),"vertex"===e||"compute"===e){const e=this.getBuiltins("attribute");e&&t.push(e);const r=this.getAttributesArray();for(let e=0,s=r.length;e<s;e++){const s=r[e],i=s.name,n=this.getType(s.type);t.push(`@location( ${e} ) ${i} : ${n}`)}}return t.join(",\n\t")}getStructMembers(e){const t=[];for(const r of e.members){const s=e.output?"@location( "+r.index+" ) ":"";let i=this.getType(r.type);r.atomic&&(i="atomic< "+i+" >"),t.push(`\t${s+r.name} : ${i}`)}return e.output&&t.push(`\t${this.getBuiltins("output")}`),t.join(",\n")}getStructs(e){let t="";const r=this.structs[e];if(r.length>0){const e=[];for(const t of r){let r=`struct ${t.name} {\n`;r+=this.getStructMembers(t),r+="\n};",e.push(r)}t="\n"+e.join("\n\n")+"\n"}return t}getVar(e,t,r=null,s=""){let i=`var${s} ${t} : `;return i+=null!==r?this.generateArrayDeclaration(e,r):this.getType(e),i}getVars(e,t=!1){let r="";t&&(r="<private>");const s=[],i=this.vars[e];if(void 0!==i)for(const e of i)s.push(`${this.getVar(e.type,e.name,e.count,r)};`);return t?s.join("\n"):`\n\t${s.join("\n\t")}\n`}getVaryings(e){const t=[];if("vertex"===e&&this.getBuiltin("position","builtinClipSpace","vec4<f32>","vertex"),"vertex"===e||"fragment"===e){const r=this.varyings,s=this.vars[e];let i=0;for(let n=0;n<r.length;n++){const a=r[n];if(a.needsInterpolation){let e=`@location( ${i++} )`;if(a.interpolationType){const t=null!==a.interpolationSampling?`, ${a.interpolationSampling} )`:" )";e+=` @interpolate( ${a.interpolationType}${t}`}else/^(int|uint|ivec|uvec)/.test(a.type)&&(e+=" @interpolate(flat, either)");t.push(`${e} ${a.name} : ${this.getType(a.type)}`)}else"vertex"===e&&!1===s.includes(a)&&s.push(a)}}const r=this.getBuiltins(e);r&&t.push(r);const s=t.join(",\n\t");return"vertex"===e?this._getWGSLStruct("VaryingsStruct","\t"+s):s}isCustomStruct(e){const t=e.value,r=e.node,s=(t.isBufferAttribute||t.isInstancedBufferAttribute)&&null!==r.structTypeNode,i=r.value&&r.value.array&&"number"==typeof r.value.itemSize&&r.value.array.length>r.value.itemSize;return s&&!i}getUniforms(e){const t=this.renderer.backend,r=this.uniforms[e],s=[],i=[],n=[],a={};for(const n of r){const r=n.groupNode.name,o=this.bindingsIndexes[r];if("texture"===n.type||"cubeTexture"===n.type||"cubeDepthTexture"===n.type||"storageTexture"===n.type||"texture3D"===n.type){const r=n.node,i=r.value;let a;(!0===i.isCubeTexture||!1===this.isUnfilterable(i)&&!0!==r.isStorageTextureNode||null!==r.gatherNode)&&(this.isSampleCompare(i)&&null!==r.compareNode?s.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${n.name}_sampler : sampler_comparison;`):s.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${n.name}_sampler : sampler;`));let u="";const{primarySamples:l}=t.utils.getTextureSampleData(i);if(l>1&&(u="_multisampled"),!0===i.isCubeTexture&&!0===i.isDepthTexture)a="texture_depth_cube";else if(!0===i.isCubeTexture)a="texture_cube<f32>";else if(!0===i.isDepthTexture)a=t.compatibilityMode&&null===i.compareFunction?`texture${u}_2d<f32>`:`texture_depth${u}_2d${!0===i.isArrayTexture?"_array":""}`;else if(!0===n.node.isStorageTextureNode){const r=BM(i,t.device),s=this.getStorageAccess(n.node,e),o=n.node.value.is3DTexture,u=n.node.value.isArrayTexture;a=`texture_storage_${o?"3d":"2d"+(u?"_array":"")}<${r}, ${s}>`}else if(!0===i.isArrayTexture||!0===i.isDataArrayTexture||!0===i.isCompressedArrayTexture)a="texture_2d_array<f32>";else if(!0===i.is3DTexture||!0===i.isData3DTexture)a="texture_3d<f32>";else{a=`texture${u}_2d<${this.getComponentTypeFromTexture(i).charAt(0)}32>`}s.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${n.name} : ${a};`)}else if("buffer"===n.type||"storageBuffer"===n.type||"indirectStorageBuffer"===n.type){const t=n.node,r=this.getType(t.getNodeType(this)),s=t.bufferCount,a=s>0&&"buffer"===n.type?", "+s:"",u=t.isStorageBufferNode?`storage, ${this.getStorageAccess(t,e)}`:"uniform";if(this.isCustomStruct(n))i.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var<${u}> ${n.name} : ${r};`);else{const e=`\tvalue : array< ${t.isAtomic?`atomic<${r}>`:`${r}`}${a} >`;i.push(this._getWGSLStructBinding(n.name,e,u,o.binding++,o.group))}}else{const e=n.groupNode.name;if(void 0===a[e]){const t=this.uniformGroups[e];if(void 0!==t){const r=[];for(const e of t.uniforms){const t=e.getType(),s=this.getType(this.getVectorType(t));r.push(`\t${e.name} : ${s}`)}let s=this.uniformGroupsBindings[e];void 0===s&&(s={index:o.binding++,id:o.group},this.uniformGroupsBindings[e]=s),a[e]={index:s.index,id:s.id,snippets:r}}}}}for(const e in a){const t=a[e];n.push(this._getWGSLStructBinding(e,t.snippets.join(",\n"),"uniform",t.index,t.id))}return[...s,...i,...n].join("\n")}buildCode(){const e=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){this.shaderStage=t;const r=this.allowGlobalVariables,s=e[t];s.uniforms=this.getUniforms(t),s.attributes=this.getAttributes(t),s.varyings=this.getVaryings(t),s.structs=this.getStructs(t),s.vars=this.getVars(t,r),s.codes=this.getCodes(t),s.directives=this.getDirectives(t),s.scopedArrays=this.getScopedArrays(t);let i="// code\n\n";i+=this.flowCode[t];const n=this.flowNodes[t],a=n[n.length-1],o=a.outputNode,u=void 0!==o&&!0===o.isOutputStructNode;for(const e of n){const r=this.getFlowData(e),n=e.name;if(n&&(i.length>0&&(i+="\n"),i+=`\t// flow -> ${n}\n`),i+=`${r.code}\n\t`,e===a&&"compute"!==t)if(i+="// result\n\n\t","vertex"===t)i+=`varyings.builtinClipSpace = ${r.result};`;else if("fragment"===t)if(u)s.returnType=o.getNodeType(this),s.structs+="var<private> output : "+s.returnType+";",i+=`return ${r.result};`;else{let e=`\t@location( 0 ) color: ${this.getType(this.getOutputType())}`;const t=this.getBuiltins("output");t&&(e+=",\n\t"+t),s.returnType="OutputStruct",s.structs+=this._getWGSLStruct("OutputStruct",e),s.structs+="\nvar<private> output : OutputStruct;",i+=`output.color = ${this.format(r.result,a.getNodeType(this),this.getOutputType())};\n\n\treturn output;`}}s.flow=i}if(this.shaderStage=null,null!==this.material)this.vertexShader=this._getWGSLVertexCode(e.vertex),this.fragmentShader=this._getWGSLFragmentCode(e.fragment);else{const t=this.object.workgroupSize;this.computeShader=this._getWGSLComputeCode(e.compute,t)}}getMethod(e,t=null){let r;return null!==t&&(r=this._getWGSLMethod(e+"_"+t)),void 0===r&&(r=this._getWGSLMethod(e)),r||e}getBitcastMethod(e){return`bitcast<${this.getType(e)}>`}getFloatPackingMethod(e){return this.getMethod(`floatpack_${e}_2x16`)}getFloatUnpackingMethod(e){return this.getMethod(`floatunpack_${e}_2x16`)}getTernary(e,t,r){return`select( ${r}, ${t}, ${e} )`}getType(e){return $M[e]||e}isAvailable(e){let t=kM[e];return void 0===t&&("float32Filterable"===e?t=this.renderer.hasFeature("float32-filterable"):"clipDistance"===e&&(t=this.renderer.hasFeature("clip-distances")),kM[e]=t),t}_getWGSLMethod(e){return void 0!==WM[e]&&this._include(e),HM[e]}_include(e){const t=WM[e];return t.build(this),this.addInclude(t),t}_getWGSLVertexCode(e){return`${this.getSignature()}\n// directives\n${e.directives}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\nvar<private> varyings : VaryingsStruct;\n\n// vars\n${e.vars}\n\n// codes\n${e.codes}\n\n@vertex\nfn main( ${e.attributes} ) -> VaryingsStruct {\n\n\t// flow\n\t${e.flow}\n\n\treturn varyings;\n\n}\n`}_getWGSLFragmentCode(e){return`${this.getSignature()}\n// global\n${jM}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// vars\n${e.vars}\n\n// codes\n${e.codes}\n\n@fragment\nfn main( ${e.varyings} ) -> ${e.returnType} {\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLComputeCode(e,t){const[r,s,i]=t;return`${this.getSignature()}\n// directives\n${e.directives}\n\n// system\nvar<private> instanceIndex : u32;\n\n// locals\n${e.scopedArrays}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// vars\n${this.allowGlobalVariables?e.vars:""}\n\n// codes\n${e.codes}\n\n@compute @workgroup_size( ${r}, ${s}, ${i} )\nfn main( ${e.attributes} ) {\n\n\t// local vars\n\t${this.allowGlobalVariables?"":e.vars}\n\n\t// system\n\tinstanceIndex = globalId.x\n\t\t+ globalId.y * ( ${r} * numWorkgroups.x )\n\t\t+ globalId.z * ( ${r} * numWorkgroups.x ) * ( ${s} * numWorkgroups.y );\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLStruct(e,t){return`\nstruct ${e} {\n${t}\n};`}_getWGSLStructBinding(e,t,r,s=0,i=0){const n=e+"Struct";return`${this._getWGSLStruct(n,t)}\n@binding( ${s} ) @group( ${i} )\nvar<${r}> ${e} : ${n};`}}const XM=new XC,YM=new YC,QM=new Map([[Int8Array,["sint8","snorm8"]],[Uint8Array,["uint8","unorm8"]],[Int16Array,["sint16","snorm16"]],[Uint16Array,["uint16","unorm16"]],[Int32Array,["sint32","snorm32"]],[Uint32Array,["uint32","unorm32"]],[Float32Array,["float32"]]]);"undefined"!=typeof Float16Array&&QM.set(Float16Array,["float16"]);const KM=new Map([[xt,["float16"]]]),ZM=new Map([[Int32Array,"sint32"],[Int16Array,"sint32"],[Uint32Array,"uint32"],[Uint16Array,"uint32"],[Float32Array,"float32"]]);class JM{constructor(e){this.backend=e}createAttribute(e,t){const r=this._getBufferAttribute(e),s=this.backend,i=s.get(r);let n=i.buffer;if(void 0===n){const a=s.device;let o=r.array;if(!1===e.normalized)if(o.constructor===Int16Array||o.constructor===Int8Array)o=new Int32Array(o);else if((o.constructor===Uint16Array||o.constructor===Uint8Array)&&(o=new Uint32Array(o),t&GPUBufferUsage.INDEX))for(let e=0;e<o.length;e++)65535===o[e]&&(o[e]=4294967295);if(r.array=o,(r.isStorageBufferAttribute||r.isStorageInstancedBufferAttribute)&&3===r.itemSize){o=new o.constructor(4*r.count);for(let e=0;e<r.count;e++)o.set(r.array.subarray(3*e,3*e+3),4*e);r.itemSize=4,r.array=o,i._force3to4BytesAlignment=!0}const u=o.byteLength,l=u+(4-u%4)%4;XM.label=r.name,XM.size=l,XM.usage=t,XM.mappedAtCreation=!0,n=a.createBuffer(XM),XM.reset(),new o.constructor(n.getMappedRange()).set(o),n.unmap(),i.buffer=n}}updateAttribute(e){const t=this._getBufferAttribute(e),r=this.backend,s=r.device,i=r.get(t),n=r.get(t).buffer;let a=t.array;if(!0===i._force3to4BytesAlignment){a=new a.constructor(4*t.count);for(let e=0;e<t.count;e++)a.set(t.array.subarray(3*e,3*e+3),4*e);t.array=a}const o=t.updateRanges;if(0===o.length)s.queue.writeBuffer(n,0,a,0);else{const e=Qr(a),r=e?1:a.BYTES_PER_ELEMENT;for(let t=0,u=o.length;t<u;t++){const u=o[t];let l,d;if(!0===i._force3to4BytesAlignment){l=4*Math.floor(u.start/3)*r,d=4*Math.ceil(u.count/3)*r}else l=u.start*r,d=u.count*r;const c=l*(e?a.BYTES_PER_ELEMENT:1);s.queue.writeBuffer(n,c,a,l,d)}t.clearUpdateRanges()}}createShaderVertexBuffers(e){const t=e.getAttributes(),r=new Map;for(let e=0;e<t.length;e++){const s=t[e],i=s.array.BYTES_PER_ELEMENT,n=this._getBufferAttribute(s);let a=r.get(n);if(void 0===a){let e,t;!0===s.isInterleavedBufferAttribute?(e=s.data.stride*i,t=s.data.isInstancedInterleavedBuffer?IC:DC):(e=s.itemSize*i,t=s.isInstancedBufferAttribute?IC:DC),!1!==s.normalized||s.array.constructor!==Int16Array&&s.array.constructor!==Uint16Array||(e=4),a={arrayStride:e,attributes:[],stepMode:t},r.set(n,a)}const o=this._getVertexFormat(s),u=!0===s.isInterleavedBufferAttribute?s.offset*i:0;a.attributes.push({shaderLocation:e,offset:u,format:o})}return Array.from(r.values())}destroyAttribute(e){const t=this.backend;t.get(this._getBufferAttribute(e)).buffer.destroy(),t.delete(e)}async getArrayBufferAsync(e,t=null,r=0,s=-1){const i=this.backend,n=i.device,a=i.get(this._getBufferAttribute(e)).buffer,o=-1===s?a.size-r:s;let u;if(null!==t&&t.isReadbackBuffer){const e=i.get(t);if(!0===t._mapped)throw new Error("THREE.WebGPUAttributeUtils: ReadbackBuffer must be released before being used again.");if(t._mapped=!0,void 0===e.readBufferGPU){XM.label=`${t.name}_readback`,XM.size=t.maxByteLength,XM.usage=GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ,u=n.createBuffer(XM),XM.reset();const r=()=>{t.buffer=null,t._mapped=!1,u.unmap()},s=()=>{t.buffer=null,t._mapped=!1,u.destroy(),i.delete(t),t.removeEventListener("release",r),t.removeEventListener("dispose",s)};t.addEventListener("release",r),t.addEventListener("dispose",s),e.readBufferGPU=u}else u=e.readBufferGPU}else XM.label=`${e.name}_readback`,XM.size=o,XM.usage=GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ,u=n.createBuffer(XM),XM.reset();YM.label=`readback_encoder_${e.name}`;const l=n.createCommandEncoder(YM);YM.reset(),l.copyBufferToBuffer(a,r,u,0,o);if(jC(n,l.finish()),await u.mapAsync(GPUMapMode.READ,0,o),null===t){const e=u.getMappedRange(0,o).slice();return u.destroy(),e}if(t.isReadbackBuffer)return t.buffer=u.getMappedRange(0,o),t;{const e=u.getMappedRange(0,o);return new Uint8Array(t).set(new Uint8Array(e)),u.destroy(),t}}_getVertexFormat(e){const{itemSize:t,normalized:r}=e,s=e.array.constructor,i=e.constructor;let n;if(1===t)n=ZM.get(s);else{const e=(KM.get(i)||QM.get(s))[r?1:0];if(e){const r=s.BYTES_PER_ELEMENT*t,i=4*Math.floor((r+3)/4)/s.BYTES_PER_ELEMENT;if(i%1)throw new Error("THREE.WebGPUAttributeUtils: Bad vertex format item size.");n=`${e}x${i}`}}return n||o("WebGPUAttributeUtils: Vertex format not supported yet."),n}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}const eB=new qC,tB=new XC,rB=new sM;class sB{constructor(e){this.layoutGPU=e,this.usedTimes=0}}class iB{constructor(e){this.backend=e,this._bindGroupLayoutCache=new Map}createBindingsLayout(e){const t=this.backend,r=t.device,s=t.get(e);if(s.layout)return s.layout.layoutGPU;const i=this._createLayoutEntries(e),n=Gs(JSON.stringify(i));let a=this._bindGroupLayoutCache.get(n);return void 0===a&&(a=new sB(r.createBindGroupLayout({entries:i})),this._bindGroupLayoutCache.set(n,a)),a.usedTimes++,s.layout=a,s.layoutKey=n,a.layoutGPU}createBindings(e,t,r,s=0){const{backend:i}=this,n=i.get(e),a=this.createBindingsLayout(e);let o;r>0&&(void 0===n.groups&&(n.groups=[],n.versions=[]),n.versions[r]===s&&(o=n.groups[r])),void 0===o&&(o=this.createBindGroup(e,a),r>0&&(n.groups[r]=o,n.versions[r]=s)),n.group=o}updateBinding(e){const t=this.backend,r=t.device,s=e.buffer,i=t.get(e).buffer,n=e.updateRanges;if(0===n.length)r.queue.writeBuffer(i,0,s,0);else{const e=Qr(s),t=e?1:s.BYTES_PER_ELEMENT;for(let a=0,o=n.length;a<o;a++){const o=n[a],u=o.start*t,l=o.count*t,d=u*(e?s.BYTES_PER_ELEMENT:1);r.queue.writeBuffer(i,d,s,u,l)}}}createBindGroupIndex(e,t){const r=this.backend.device,s=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,i=e[0];tB.label="bindingCameraIndex_"+i,tB.size=16,tB.usage=s;const n=r.createBuffer(tB);tB.reset(),r.queue.writeBuffer(n,0,e,0),eB.label="bindGroupCameraIndex_"+i,eB.layout=t,eB.entries.push({binding:0,resource:{buffer:n}});const a=r.createBindGroup(eB);return eB.reset(),a}createBindGroup(e,t){const r=this.backend,s=r.device;let i=0;eB.label="bindGroup_"+e.name,eB.layout=t;for(const t of e.bindings){if(t.isUniformBuffer){const e=r.get(t);eB.entries.push({binding:i,resource:{buffer:e.buffer}})}else if(t.isStorageBuffer){const e=r.get(t.attribute).buffer;eB.entries.push({binding:i,resource:{buffer:e}})}else if(t.isSampledTexture){const e=r.get(t.texture);let n;if(void 0!==e.externalTexture)n=s.importExternalTexture({source:e.externalTexture});else{const r=t.store?1:e.texture.mipLevelCount,s=t.store?t.mipLevel:0;let i=`view-${e.texture.width}-${e.texture.height}`;if(e.texture.depthOrArrayLayers>1&&(i+=`-${e.texture.depthOrArrayLayers}`),i+=`-${r}-${s}`,n=e[i],void 0===n){const a=UC;let o;o=t.isSampledCubeTexture?FC:t.texture.isArrayTexture||t.texture.isDataArrayTexture||t.texture.isCompressedArrayTexture?LC:t.isSampledTexture3D?PC:BC,rB.aspect=a,rB.dimension=o,rB.mipLevelCount=r,rB.baseMipLevel=s,n=e[i]=e.texture.createView(rB),rB.reset()}}eB.entries.push({binding:i,resource:n})}else if(t.isSampler){const e=r.get(t.texture);eB.entries.push({binding:i,resource:e.sampler})}i++}const n=s.createBindGroup(eB);return eB.reset(),n}_createLayoutEntries(e){const t=[];let r=0;for(const s of e.bindings){const e=this.backend,i={binding:r,visibility:s.visibility};if(s.isUniformBuffer||s.isStorageBuffer){const e={};s.isStorageBuffer&&(s.visibility&CE.COMPUTE&&(s.access===ai.READ_WRITE||s.access===ai.WRITE_ONLY)?e.type=yC:e.type=bC),i.buffer=e}else if(s.isSampledTexture&&s.store){const e={};e.format=this.backend.get(s.texture).texture.format;const t=s.access;e.access=t===ai.READ_WRITE?_C:t===ai.WRITE_ONLY?xC:TC,s.texture.isArrayTexture?e.viewDimension=LC:s.texture.is3DTexture&&(e.viewDimension=PC),i.storageTexture=e}else if(s.isSampledTexture){const t={},{primarySamples:r}=e.utils.getTextureSampleData(s.texture);if(r>1&&(t.multisampled=!0,s.texture.isDepthTexture||(t.sampleType=RC)),s.texture.isDepthTexture)e.compatibilityMode&&null===s.texture.compareFunction?t.sampleType=RC:t.sampleType=EC;else{const e=s.texture.type;e===R?t.sampleType=wC:e===S?t.sampleType=AC:e===Y&&(this.backend.hasFeature("float32-filterable")?t.sampleType=SC:t.sampleType=RC)}s.isSampledCubeTexture?t.viewDimension=FC:s.texture.isArrayTexture||s.texture.isDataArrayTexture||s.texture.isCompressedArrayTexture?t.viewDimension=LC:s.isSampledTexture3D&&(t.viewDimension=PC),i.texture=t}else if(s.isSampler){const t={};s.texture.isDepthTexture&&(null!==s.texture.compareFunction&&null!==s.textureNode.compareNode&&e.hasCompatibility(E.TEXTURE_COMPARE)?t.type=NC:t.type=vC),i.sampler=t}else o(`WebGPUBindingUtils: Unsupported binding "${s}".`);t.push(i),r++}return t}deleteBindGroupData(e){const{backend:t}=this,r=t.get(e);r.layout&&(r.layout.usedTimes--,0===r.layout.usedTimes&&this._bindGroupLayoutCache.delete(r.layoutKey),r.layout=void 0,r.layoutKey=void 0)}dispose(){this._bindGroupLayoutCache.clear()}}class nB{constructor(e){this.backend=e}getMaxAnisotropy(){return 16}getUniformBufferLimit(){return this.backend.device.limits.maxUniformBufferBindingSize}}const aB=new class{constructor(){this.label="",this.layout=null,this.compute=null}reset(){this.label="",this.layout=null,this.compute=null}},oB=new class{constructor(){this.label="",this.bindGroupLayouts=null}reset(){this.label="",this.bindGroupLayouts=null}},uB=new QC,lB=new JC;class dB{constructor(e){this.backend=e,this._activePipelines=new WeakMap}setPipeline(e,t){this._activePipelines.get(e)!==t&&(e.setPipeline(t),this._activePipelines.set(e,t))}_getSampleCount(e){return this.backend.utils.getSampleCountRenderContext(e)}createRenderPipeline(e,t){const{object:r,material:s,geometry:i,pipeline:n}=e,{vertexProgram:a,fragmentProgram:u}=n,l=this.backend,d=l.device,c=l.utils,h=l.get(n),p=[];for(const t of e.getBindings()){const e=l.get(t),{layoutGPU:r}=e.layout;p.push(r)}const g=l.attributeUtils.createShaderVertexBuffers(e);let m;s.blending===re||s.blending===tt&&!1===s.transparent||(m=this._getBlending(s));let f={};!0===s.stencilWrite&&(f={compare:this._getStencilCompare(s),failOp:this._getStencilOperation(s.stencilFail),depthFailOp:this._getStencilOperation(s.stencilZFail),passOp:this._getStencilOperation(s.stencilZPass)});const y=this._getColorWriteMask(s),b=[];if(null!==e.context.textures){const t=e.context.textures,r=e.context.mrt;for(let e=0;e<t.length;e++){const s=t[e],i=c.getTextureFormatGPU(s);let n;if(null!==r)if(!0!==this.backend.compatibilityMode){const e=r.getBlendMode(s.name);e.blending===nt?n=m:e.blending!==re&&(n=this._getBlending(e))}else v("WebGPURenderer: Multiple Render Targets (MRT) blending configuration is not fully supported in compatibility mode. The material blending will be used for all render targets."),n=m;else n=m;b.push({format:i,blend:n,writeMask:y})}}else{const t=c.getCurrentColorFormat(e.context);b.push({format:t,blend:m,writeMask:y})}const x=l.get(a).module,T=l.get(u).module,_=this._getPrimitiveState(r,i,s),N=this._getDepthCompare(s),S=c.getCurrentDepthStencilFormat(e.context),R=this._getSampleCount(e.context);oB.bindGroupLayouts=p;const E=d.createPipelineLayout(oB);oB.reset(),lB.label=`renderPipeline_${s.name||s.type}_${s.id}`,lB.vertex=Object.assign({},x,{buffers:g}),lB.fragment=Object.assign({},T,{targets:b}),lB.primitive=_,lB.multisample.count=R,lB.multisample.alphaToCoverageEnabled=s.alphaToCoverage&&R>1,lB.layout=E;const w={},A=e.context.depth,C=e.context.stencil;!0!==A&&!0!==C||(!0===A&&(w.format=S,w.depthWriteEnabled=s.depthWrite,w.depthCompare=N),!0===C&&(w.stencilFront=f,w.stencilBack=f,w.stencilReadMask=s.stencilFuncMask,w.stencilWriteMask=s.stencilWriteMask),!0===s.polygonOffset&&_.topology===AE&&(w.depthBias=s.polygonOffsetUnits,w.depthBiasSlopeScale=s.polygonOffsetFactor,w.depthBiasClamp=0),lB.depthStencil=w),d.pushErrorScope("validation");const M=[{program:a,module:x.module},{program:u,module:T.module}],B=lB.label;if(null===t)h.pipeline=d.createRenderPipeline(lB),lB.reset(),d.popErrorScope().then(e=>{null!==e&&(h.error=!0,o(`WebGPURenderer: Render pipeline creation failed (${B}): ${e.message}`),this._reportShaderDiagnostics(M,B))});else{const e=new Promise(async e=>{try{let e=null;try{h.pipeline=await d.createRenderPipelineAsync(lB)}catch(t){e=t}const t=await d.popErrorScope();if(null!==t||null!==e){h.error=!0;const r=t&&t.message||e&&e.message||"unknown";o(`WebGPURenderer: Async render pipeline creation failed (${B}): ${r}`),await this._reportShaderDiagnostics(M,B)}}finally{lB.reset(),e()}});t.push(e)}}createBundleEncoder(e,t="renderBundleEncoder"){const r=this.backend,{utils:s,device:i}=r,n=s.getCurrentDepthStencilFormat(e),a=s.getCurrentColorFormats(e),o=this._getSampleCount(e);uB.label=t,uB.colorFormats=a,uB.depthStencilFormat=n,uB.sampleCount=o;const u=i.createRenderBundleEncoder(uB);return uB.reset(),u}createComputePipeline(e,t){const r=this.backend,s=r.device,i=r.get(e.computeProgram).module,n=r.get(e),a=[];for(const e of t){const t=r.get(e),{layoutGPU:s}=t.layout;a.push(s)}const u=e.computeProgram,l=`computePipeline_${u.stage}${u.name?`_${u.name}`:""}`;s.pushErrorScope("validation"),oB.bindGroupLayouts=a;const d=s.createPipelineLayout(oB);oB.reset(),aB.label=l,aB.compute=i,aB.layout=d,n.pipeline=s.createComputePipeline(aB),aB.reset(),s.popErrorScope().then(e=>{null!==e&&(n.error=!0,o(`WebGPURenderer: Compute pipeline creation failed (${l}): ${e.message}`),this._reportShaderDiagnostics([{program:u,module:i.module}],l))})}async _reportShaderDiagnostics(e,t){for(const{program:r,module:s}of e){const e=await s.getCompilationInfo();if(0===e.messages.length)continue;const i=r.code.split("\n");for(const s of e.messages){const e=s.lineNum>0?` at line ${s.lineNum}${s.linePos>0?`:${s.linePos}`:""}`:"",n=`WebGPURenderer [${t} / ${r.stage} ${s.type}]${e}: ${s.message}`;let a="";s.lineNum>0&&s.lineNum<=i.length&&(a=`\n  ${i[s.lineNum-1]}`,s.linePos>0&&(a+=`\n  ${" ".repeat(s.linePos-1)}^`)),("error"===s.type?o:d)(n+a)}}}_getBlending(e){let t,r;const s=e.blending,i=e.blendSrc,n=e.blendDst,a=e.blendEquation;if(s===Rt){const s=null!==e.blendSrcAlpha?e.blendSrcAlpha:i,o=null!==e.blendDstAlpha?e.blendDstAlpha:n,u=null!==e.blendEquationAlpha?e.blendEquationAlpha:a;t={srcFactor:this._getBlendFactor(i),dstFactor:this._getBlendFactor(n),operation:this._getBlendOperation(a)},r={srcFactor:this._getBlendFactor(s),dstFactor:this._getBlendFactor(o),operation:this._getBlendOperation(u)}}else{const i=(e,s,i,n)=>{t={srcFactor:e,dstFactor:s,operation:rC},r={srcFactor:i,dstFactor:n,operation:rC}};if(e.premultipliedAlpha)switch(s){case tt:i(WA,XA,WA,XA);break;case Kt:i(WA,WA,WA,WA);break;case Qt:i(zA,jA,zA,WA);break;case Yt:i(YA,XA,zA,WA)}else switch(s){case tt:i(qA,XA,WA,XA);break;case Kt:i(qA,WA,WA,WA);break;case Qt:o(`WebGPURenderer: "SubtractiveBlending" requires "${e.isMaterial?"material":"blendMode"}.premultipliedAlpha = true".`);break;case Yt:o(`WebGPURenderer: "MultiplyBlending" requires "${e.isMaterial?"material":"blendMode"}.premultipliedAlpha = true".`)}}if(void 0!==t&&void 0!==r)return{color:t,alpha:r};o("WebGPURenderer: Invalid blending: ",s)}_getBlendFactor(e){let t;switch(e){case Et:t=zA;break;case Ht:t=WA;break;case Wt:t=HA;break;case kt:t=jA;break;case rt:t=qA;break;case st:t=XA;break;case $t:t=YA;break;case Vt:t=QA;break;case Gt:t=KA;break;case Ot:t=ZA;break;case zt:t=JA;break;case 211:t=eC;break;case 212:t=tC;break;default:o("WebGPURenderer: Blend factor not supported.",e)}return t}_getStencilCompare(e){let t;const r=e.stencilFunc;switch(r){case is:t=ME;break;case ss:t=IE;break;case rs:t=BE;break;case ts:t=FE;break;case es:t=LE;break;case Jr:t=DE;break;case Zr:t=PE;break;case Kr:t=UE;break;default:o("WebGPURenderer: Invalid stencil function.",r)}return t}_getStencilOperation(e){let t;switch(e){case hs:t=lC;break;case cs:t=dC;break;case ds:t=cC;break;case ls:t=hC;break;case us:t=pC;break;case os:t=gC;break;case as:t=mC;break;case ns:t=fC;break;default:o("WebGPURenderer: Invalid stencil operation.",t)}return t}_getBlendOperation(e){let t;switch(e){case it:t=rC;break;case It:t=sC;break;case Dt:t=iC;break;case gs:t=nC;break;case ps:t=aC;break;default:o("WebGPUPipelineUtils: Blend equation not supported.",e)}return t}_getPrimitiveState(e,t,r){const s={},i=this.backend.utils;s.topology=i.getPrimitiveTopology(e,r),null!==t.index&&!0===e.isLine&&!0!==e.isLineSegments&&(s.stripIndexFormat=t.index.array instanceof Uint16Array?HE:jE);let n=r.side===F;return e.isMesh&&e.matrixWorld.determinant()<0&&(n=!n),s.frontFace=!0===n?$E:GE,s.cullMode=r.side===P?zE:WE,s}_getColorWriteMask(e){return!0===e.colorWrite?uC:oC}_getDepthCompare(e){let t;if(!1===e.depthTest)t=IE;else{const r=this.backend.parameters.reversedDepthBuffer?ar[e.depthFunc]:e.depthFunc;switch(r){case nr:t=ME;break;case ir:t=IE;break;case sr:t=BE;break;case rr:t=FE;break;case tr:t=LE;break;case er:t=DE;break;case Jt:t=PE;break;case Zt:t=UE;break;default:o("WebGPUPipelineUtils: Invalid depth function.",r)}}return t}}class cB{constructor(){this.label="",this.type=void 0,this.count=0}reset(){this.label="",this.type=void 0,this.count=0}}const hB=new XC,pB=new YC,gB=new cB;class mB extends vE{constructor(e,t,r=2048){super(r),this.device=e,this.type=t,gB.label=`queryset_global_timestamp_${t}`,gB.type="timestamp",gB.count=this.maxQueries,this.querySet=this.device.createQuerySet(gB),gB.reset();const s=8*this.maxQueries;hB.label=`buffer_timestamp_resolve_${t}`,hB.size=s,hB.usage=GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC,this.resolveBuffer=this.device.createBuffer(hB),hB.reset(),hB.label=`buffer_timestamp_result_${t}`,hB.size=s,hB.usage=GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ,this.resultBuffer=this.device.createBuffer(hB),hB.reset()}allocateQueriesForContext(e){if(!this.trackTimestamp||this.isDisposed)return null;if(this.currentQueryIndex+2>this.maxQueries)return v(`WebGPUTimestampQueryPool [${this.type}]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${this.type.toUpperCase()} ).`),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryOffsets.set(e,t),t}async resolveQueriesAsync(){if(!this.trackTimestamp||0===this.currentQueryIndex||this.isDisposed)return this.lastValue;if(this.pendingResolve)return this.pendingResolve;this.pendingResolve=this._resolveQueries();try{return await this.pendingResolve}finally{this.pendingResolve=null}}async _resolveQueries(){if(this.isDisposed)return this.lastValue;try{if("unmapped"!==this.resultBuffer.mapState)return this.lastValue;const e=new Map(this.queryOffsets),t=this.currentQueryIndex,r=8*t;this.currentQueryIndex=0,this.queryOffsets.clear();const s=this.device.createCommandEncoder(pB);s.resolveQuerySet(this.querySet,0,t,this.resolveBuffer,0),s.copyBufferToBuffer(this.resolveBuffer,0,this.resultBuffer,0,r);const i=s.finish();if(jC(this.device,i),"unmapped"!==this.resultBuffer.mapState)return this.lastValue;if(await this.resultBuffer.mapAsync(GPUMapMode.READ,0,r),this.isDisposed)return"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue;const n=new BigUint64Array(this.resultBuffer.getMappedRange(0,r)),a={},o=[];for(const[t,r]of e){const e=t.match(/^(.*):f(\d+)$/),s=parseInt(e[2]);!1===o.includes(s)&&o.push(s),void 0===a[s]&&(a[s]=0);const i=n[r],u=n[r+1],l=Number(u-i)/1e6;this.timestamps.set(t,l),a[s]+=l}const u=a[o[o.length-1]];return this.resultBuffer.unmap(),this.lastValue=u,this.frames=o,u}catch(e){return o("Error resolving queries:",e),"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue}}async dispose(){if(!this.isDisposed){if(this.isDisposed=!0,this.pendingResolve)try{await this.pendingResolve}catch(e){o("Error waiting for pending resolve:",e)}if(this.resultBuffer&&"mapped"===this.resultBuffer.mapState)try{this.resultBuffer.unmap()}catch(e){o("Error unmapping buffer:",e)}this.querySet&&(this.querySet.destroy(),this.querySet=null),this.resolveBuffer&&(this.resolveBuffer.destroy(),this.resolveBuffer=null),this.resultBuffer&&(this.resultBuffer.destroy(),this.resultBuffer=null),this.queryOffsets.clear(),this.pendingResolve=null}}}class fB{constructor(){this.view=null,this.depthLoadOp=void 0,this.depthStoreOp=void 0,this.depthClearValue=void 0,this.depthReadOnly=!1,this.stencilLoadOp=void 0,this.stencilStoreOp=void 0,this.stencilClearValue=0,this.stencilReadOnly=!1}reset(){this.view=null,this.depthLoadOp=void 0,this.depthStoreOp=void 0,this.depthClearValue=void 0,this.depthReadOnly=!1,this.stencilLoadOp=void 0,this.stencilStoreOp=void 0,this.stencilClearValue=0,this.stencilReadOnly=!1}}const yB={r:0,g:0,b:0,a:1},bB=new XC,xB=new YC,TB=new class{constructor(){this.label="",this.timestampWrites=void 0}reset(){this.label="",this.timestampWrites=void 0}},_B=new cB,vB=new tM,NB=new class{constructor(){this.querySet=null,this.beginningOfPassWriteIndex=void 0,this.endOfPassWriteIndex=void 0}reset(){this.querySet=null,this.beginningOfPassWriteIndex=void 0,this.endOfPassWriteIndex=void 0}},SB=new mM,RB=new mM,EB=new sM,wB=new fM;class AB extends iE{constructor(e={}){super(e),this.isWebGPUBackend=!0,this.parameters.alpha=void 0===e.alpha||e.alpha,this.parameters.requiredLimits=void 0===e.requiredLimits?{}:e.requiredLimits,this.compatibilityMode=null,this.device=null,this.defaultRenderPassdescriptor=null,this.utils=new HC(this),this.attributeUtils=new JM(this),this.bindingUtils=new iB(this),this.capabilities=new nB(this),this.pipelineUtils=new dB(this),this.textureUtils=new MM(this),this.occludedResolveCache=new Map;const t="undefined"==typeof navigator||!1===/Android/.test(navigator.userAgent);this._compatibility={[E.TEXTURE_COMPARE]:t}}async init(e){await super.init(e);const t=this.parameters;let r;if(void 0===t.device){const s={powerPreference:t.powerPreference,featureLevel:"compatibility",xrCompatible:e.xr.enabled},i="undefined"!=typeof navigator?await navigator.gpu.requestAdapter(s):null;if(null===i)throw new Error("THREE.WebGPUBackend: Unable to create WebGPU adapter.");const n=Object.values(OC),a=[];for(const e of n)i.features.has(e)&&a.push(e);const o={requiredFeatures:a,requiredLimits:t.requiredLimits};r=await i.requestDevice(o)}else r=t.device;this.compatibilityMode=!r.features.has("core-features-and-limits"),this.compatibilityMode&&(e._samples=0),r.lost.then(t=>{if("destroyed"===t.reason)return;const r={api:"WebGPU",message:t.message||"Unknown reason",reason:t.reason||null,originalEvent:t};e.onDeviceLost(r)}),r.onuncapturederror=t=>{const r=t.error,s=r&&r.constructor?r.constructor.name:"GPUError",i=r&&r.message||"Unknown uncaptured GPU error";e.onError({api:"WebGPU",type:s,message:i,originalEvent:t})},this.device=r,this.trackTimestamp=this.trackTimestamp&&this.hasFeature(OC.TimestampQuery),this.updateSize()}setXRRenderTargetTextures(e,t,r=null){this.set(e.texture,{texture:t,format:t.format,externalTexture:!0,xrViewDescriptors:r,initialized:!0})}get context(){const e=this.renderer.getCanvasTarget(),t=this.get(e);let r=t.context;if(void 0===r){const s=this.parameters;r=!0===e.isDefaultCanvasTarget&&void 0!==s.context?s.context:e.domElement.getContext("webgpu"),"setAttribute"in e.domElement&&e.domElement.setAttribute("data-engine",`three.js r${_t} webgpu`);const i=s.alpha?"premultiplied":"opaque",n=s.outputType===Te?"extended":"standard";r.configure({device:this.device,format:this.utils.getPreferredCanvasFormat(),usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC,alphaMode:i,toneMapping:{mode:n}}),t.context=r}return r}get coordinateSystem(){return h}get hasTimestamp(){return!0}async getArrayBufferAsync(e,t=null,r=0,s=-1){return await this.attributeUtils.getArrayBufferAsync(e,t,r,s)}getContext(){return this.context}_getDefaultRenderPassDescriptor(){const e=this.renderer,t=e.getCanvasTarget(),r=this.get(t),s=e.currentSamples;let i=r.descriptor;if(void 0===i||r.samples!==s){if(i=new ZC,i.colorAttachments.push(new KC),!0===e.depth||!0===e.stencil){const t=new fB;t.view=this.textureUtils.getDepthBuffer(e.depth,e.stencil).createView(),i.depthStencilAttachment=t}const t=i.colorAttachments[0];s>0?t.view=this.textureUtils.getColorBuffer().createView():t.resolveTarget=void 0,r.descriptor=i,r.samples=s}const n=i.colorAttachments[0];return s>0?n.resolveTarget=this.context.getCurrentTexture().createView():n.view=this.context.getCurrentTexture().createView(),i}_isRenderCameraDepthArray(e){const t=e.camera;return e.depthTexture&&!0===e.depthTexture.isArrayTexture&&null!==t&&!0===t.isArrayCamera}_hasExternalTexture(e){const t=e.textures;if(null===t)return!1;for(let e=0;e<t.length;e++)if(!0===this.get(t[e]).externalTexture)return!0;return!1}_createExternalTextureViews(e,t){const r=[],s=e.camera;if(t.xrViewDescriptors&&null!==s&&!0===s.isArrayCamera)for(let e=0;e<t.xrViewDescriptors.length;e++)r.push({view:t.texture.createView(t.xrViewDescriptors[e]),resolveTarget:void 0,depthSlice:void 0});else r.push({view:t.texture.createView({dimension:BC,baseArrayLayer:e.activeCubeFace,arrayLayerCount:1}),resolveTarget:void 0,depthSlice:void 0});return r}_getRenderPassDescriptor(e,t={}){const r=e.renderTarget,s=this.get(r),i=this._hasExternalTexture(e);let n=s.descriptors;(void 0===n||s.width!==r.width||s.height!==r.height||s.samples!==r.samples||i)&&(n={},s.descriptors=n);const a=e.getCacheKey();let o=n[a];if(void 0===o||i){const t=e.textures,i=[];let u;const l=this._isRenderCameraDepthArray(e);for(let s=0;s<t.length;s++){const n=this.get(t[s]);if(!0!==n.externalTexture){if(EB.label=`colorAttachment_${s}`,EB.baseMipLevel=e.activeMipmapLevel,EB.mipLevelCount=1,EB.baseArrayLayer=e.activeCubeFace,EB.arrayLayerCount=1,EB.dimension=BC,r.isRenderTarget3D)u=e.activeCubeFace,EB.baseArrayLayer=0,EB.dimension=PC;else if(r.isRenderTarget&&t[s].image.depth>1)if(!0===l){const t=e.camera.cameras;for(let e=0;e<t.length;e++){EB.baseArrayLayer=e,EB.arrayLayerCount=1,EB.dimension=BC;const t=n.texture.createView(EB);i.push({view:t,resolveTarget:void 0,depthSlice:void 0})}}else EB.dimension=LC;if(!0!==l){const e=n.texture.createView(EB);let t,r;void 0!==n.msaaTexture?(t=n.msaaTexture.createView(),r=e):(t=e,r=void 0),i.push({view:t,resolveTarget:r,depthSlice:u})}EB.reset()}else i.push(...this._createExternalTextureViews(e,n))}const d=[];for(let e=0;e<i.length;e++){const t=i[e],r=new KC;r.view=t.view,r.depthSlice=t.depthSlice,r.resolveTarget=t.resolveTarget,d.push(r)}if(o={textureViews:i,colorAttachments:d,descriptor:new ZC},e.depth){const t=this.get(e.depthTexture);(e.depthTexture.isArrayTexture||e.depthTexture.isCubeTexture)&&(EB.dimension=BC,EB.arrayLayerCount=1,EB.baseArrayLayer=e.activeCubeFace);const r=new fB;r.view=t.texture.createView(EB),o.depthStencilAttachment=r,EB.reset()}n[a]=o,s.width=r.width,s.height=r.height,s.samples=r.samples,s.activeMipmapLevel=e.activeMipmapLevel,s.activeCubeFace=e.activeCubeFace}const u=o.descriptor;u.reset();for(let e=0;e<o.colorAttachments.length;e++){const r=o.colorAttachments[e];let s={r:0,g:0,b:0,a:1};0===e&&t.clearValue&&(s=t.clearValue),r.loadOp=t.loadOp||VE,r.storeOp=t.storeOp||OE,r.clearValue=s,u.colorAttachments.push(r)}return o.depthStencilAttachment&&(u.depthStencilAttachment=o.depthStencilAttachment),u}beginRender(e){const t=this.get(e),r=this.device,s=e.occlusionQueryCount;let i,n;s>0&&(t.currentOcclusionQuerySet&&t.currentOcclusionQuerySet.destroy(),t.currentOcclusionQueryBuffer&&t.currentOcclusionQueryBuffer.destroy(),t.currentOcclusionQuerySet=t.occlusionQuerySet,t.currentOcclusionQueryBuffer=t.occlusionQueryBuffer,t.currentOcclusionQueryObjects=t.occlusionQueryObjects,_B.label=`occlusionQuerySet_${e.id}`,_B.type="occlusion",_B.count=s,i=r.createQuerySet(_B),_B.reset(),t.occlusionQuerySet=i,t.occlusionQueryIndex=0,t.occlusionQueryObjects=new Array(s),t.lastOcclusionObject=null),n=null===e.textures?this._getDefaultRenderPassDescriptor():this._getRenderPassDescriptor(e,{loadOp:VE}),this.initTimestampQuery(Pt.RENDER,this.getTimestampUID(e),n),n.occlusionQuerySet=i;const a=n.depthStencilAttachment;if(null!==e.textures){const t=n.colorAttachments;for(let r=0;r<t.length;r++){const s=t[r];e.clearColor?(0===r?s.clearValue=e.clearColorValue:(yB.r=0,yB.g=0,yB.b=0,yB.a=1,s.clearValue=yB),s.loadOp=kE):s.loadOp=VE,s.storeOp=OE}}else{const t=n.colorAttachments[0];e.clearColor?(t.clearValue=e.clearColorValue,t.loadOp=kE):t.loadOp=VE,t.storeOp=OE}e.depth&&(e.clearDepth?(a.depthClearValue=e.clearDepthValue,a.depthLoadOp=kE):a.depthLoadOp=VE,a.depthStoreOp=OE),e.stencil&&(e.clearStencil?(a.stencilClearValue=e.clearStencilValue,a.stencilLoadOp=kE):a.stencilLoadOp=VE,a.stencilStoreOp=OE),xB.label="renderContext_"+e.id;const o=r.createCommandEncoder(xB);if(xB.reset(),!0===this._isRenderCameraDepthArray(e)){const r=e.camera.cameras;t.layerDescriptors&&t.layerDescriptors.length===r.length?this._updateArrayCameraLayerDescriptors(e,t,r):this._createArrayCameraLayerDescriptors(e,t,n,r),t.bundleEncoders=[],t.bundleSets=[];for(let s=0;s<r.length;s++){const r=this.pipelineUtils.createBundleEncoder(e,"renderBundleArrayCamera_"+s),i={attributes:{},bindingGroups:[],pipeline:null,index:null};t.bundleEncoders.push(r),t.bundleSets.push(i)}t.currentPass=null}else{const r=o.beginRenderPass(n);t.currentPass=r,e.viewport&&this.updateViewport(e),e.scissor&&this.updateScissor(e)}t.descriptor=n,t.encoder=o,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.renderBundles=[]}_createArrayCameraLayerDescriptors(e,t,r,s){const i=r.depthStencilAttachment;t.layerDescriptors=[];const n=this.get(e.depthTexture);n.viewCache||(n.viewCache=[]);for(let a=0;a<s.length;a++){const s=r.colorAttachments[0],o=new KC;o.view=r.colorAttachments[a].view,o.depthSlice=s.depthSlice,o.resolveTarget=s.resolveTarget,o.loadOp=s.loadOp,o.storeOp=s.storeOp,o.clearValue=s.clearValue;const u=new ZC;if(u.label=r.label,u.occlusionQuerySet=r.occlusionQuerySet,u.timestampWrites=r.timestampWrites,u.colorAttachments.push(o),r.depthStencilAttachment){const t=a;n.viewCache[t]||(EB.dimension=BC,EB.baseArrayLayer=a,EB.arrayLayerCount=1,n.viewCache[t]=n.texture.createView(EB),EB.reset());const r=new fB;r.view=n.viewCache[t],r.depthLoadOp=i.depthLoadOp||kE,r.depthStoreOp=i.depthStoreOp||OE,r.depthClearValue=i.depthClearValue||1,e.stencil&&(r.stencilLoadOp=i.stencilLoadOp,r.stencilStoreOp=i.stencilStoreOp,r.stencilClearValue=i.stencilClearValue),u.depthStencilAttachment=r}else{const e=new fB;e.view=i.view,e.depthLoadOp=i.depthLoadOp,e.depthStoreOp=i.depthStoreOp,e.depthClearValue=i.depthClearValue,e.depthReadOnly=i.depthReadOnly,e.stencilLoadOp=i.stencilLoadOp,e.stencilStoreOp=i.stencilStoreOp,e.stencilClearValue=i.stencilClearValue,e.stencilReadOnly=i.stencilReadOnly,u.depthStencilAttachment=e}t.layerDescriptors.push(u)}}_updateArrayCameraLayerDescriptors(e,t,r){for(let s=0;s<r.length;s++){const r=t.layerDescriptors[s];if(r.depthStencilAttachment){const t=r.depthStencilAttachment;e.depth&&(e.clearDepth?(t.depthClearValue=e.clearDepthValue,t.depthLoadOp=kE):t.depthLoadOp=VE),e.stencil&&(e.clearStencil?(t.stencilClearValue=e.clearStencilValue,t.stencilLoadOp=kE):t.stencilLoadOp=VE)}}}finishRender(e){const t=this.get(e),r=e.occlusionQueryCount;t.renderBundles.length>0&&t.currentPass.executeBundles(t.renderBundles),r>t.occlusionQueryIndex&&t.currentPass.endOcclusionQuery();const s=t.encoder;if(!0===this._isRenderCameraDepthArray(e)){const r=[];for(let e=0;e<t.bundleEncoders.length;e++){const s=t.bundleEncoders[e];r.push(s.finish())}for(let i=0;i<t.layerDescriptors.length;i++)if(i<r.length){const n=t.layerDescriptors[i],a=s.beginRenderPass(n);if(e.viewport){const{x:t,y:r,width:s,height:i,minDepth:n,maxDepth:o}=e.viewportValue;a.setViewport(t,r,s,i,n,o)}if(e.scissor){const{x:t,y:r,width:s,height:i}=e.scissorValue;a.setScissorRect(t,r,s,i)}a.executeBundles([r[i]]),a.end()}}else t.currentPass&&t.currentPass.end();if(r>0){const s=8*r;let i=this.occludedResolveCache.get(s);void 0===i&&(bB.size=s,bB.usage=GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC,i=this.device.createBuffer(bB),bB.reset(),this.occludedResolveCache.set(s,i)),bB.size=s,bB.usage=GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ;const n=this.device.createBuffer(bB);bB.reset(),t.encoder.resolveQuerySet(t.occlusionQuerySet,0,r,i,0),t.encoder.copyBufferToBuffer(i,0,n,0,s),t.occlusionQueryBuffer=n,this.resolveOccludedAsync(e)}if(jC(this.device,t.encoder.finish()),null!==e.textures){const t=e.textures;for(let e=0;e<t.length;e++){const r=t[e];!0===r.generateMipmaps&&this.textureUtils.generateMipmaps(r)}}}isOccluded(e,t){const r=this.get(e);return r.occluded&&r.occluded.has(t)}async resolveOccludedAsync(e){const t=this.get(e),{currentOcclusionQueryBuffer:r,currentOcclusionQueryObjects:s}=t;if(r&&s){const e=new WeakSet;t.currentOcclusionQueryObjects=null,t.currentOcclusionQueryBuffer=null,await r.mapAsync(GPUMapMode.READ);const i=r.getMappedRange(),n=new BigUint64Array(i);for(let t=0;t<s.length;t++)n[t]===BigInt(0)&&e.add(s[t]);r.destroy(),t.occluded=e}}updateViewport(e){const{currentPass:t}=this.get(e),{x:r,y:s,width:i,height:n,minDepth:a,maxDepth:o}=e.viewportValue;t.setViewport(r,s,i,n,a,o)}updateScissor(e){const{currentPass:t}=this.get(e),{x:r,y:s,width:i,height:n}=e.scissorValue;t.setScissorRect(r,s,i,n)}getClearColor(){const e=super.getClearColor();return!0===this.renderer.alpha&&(e.r*=e.a,e.g*=e.a,e.b*=e.a),e}clear(e,t,r,s=null){const i=this.device,n=this.renderer;let a,o,u,l=[];if(e){const e=this.getClearColor();yB.r=e.r,yB.g=e.g,yB.b=e.b,yB.a=e.a}if(null===s){o=n.depth,u=n.stencil;const t=this._getDefaultRenderPassDescriptor();if(e){l=t.colorAttachments;const e=l[0];e.clearValue=yB,e.loadOp=kE,e.storeOp=OE}(o||u)&&(a=t.depthStencilAttachment)}else{o=s.depth,u=s.stencil;const i={loadOp:e?kE:VE,clearValue:e?yB:void 0};o&&(i.depthLoadOp=t?kE:VE,i.depthClearValue=t?n.getClearDepth():void 0,i.depthStoreOp=OE),u&&(i.stencilLoadOp=r?kE:VE,i.stencilClearValue=r?n.getClearStencil():void 0,i.stencilStoreOp=OE);const d=this._getRenderPassDescriptor(s,i);l=d.colorAttachments,a=d.depthStencilAttachment}o&&a&&(t?(a.depthLoadOp=kE,a.depthClearValue=n.getClearDepth(),a.depthStoreOp=OE):(a.depthLoadOp=VE,a.depthStoreOp=OE)),u&&a&&(r?(a.stencilLoadOp=kE,a.stencilClearValue=n.getClearStencil(),a.stencilStoreOp=OE):(a.stencilLoadOp=VE,a.stencilStoreOp=OE)),xB.label="clear";const d=i.createCommandEncoder(xB);xB.reset();d.beginRenderPass({colorAttachments:l,depthStencilAttachment:a}).end(),jC(i,d.finish())}beginCompute(e){const t=this.get(e),r="computeGroup_"+e.id;TB.label=r,xB.label=r,this.initTimestampQuery(Pt.COMPUTE,this.getTimestampUID(e),TB),t.cmdEncoderGPU=this.device.createCommandEncoder(xB),t.passEncoderGPU=t.cmdEncoderGPU.beginComputePass(TB),xB.reset(),TB.reset()}compute(e,t,r,s,i=null){const n=this.get(t),{passEncoderGPU:a}=this.get(e),o=this.get(s).pipeline;this.pipelineUtils.setPipeline(a,o);for(let e=0,t=r.length;e<t;e++){const t=r[e],s=this.get(t);a.setBindGroup(e,s.group)}if(null===i&&(i=t.dispatchSize||t.count),i&&i.isIndirectStorageBufferAttribute){const e=this.get(i).buffer;return void a.dispatchWorkgroupsIndirect(e,0)}if("number"==typeof i){const e=i;if(void 0===n.dispatchSize||n.count!==e){n.dispatchSize=[0,1,1],n.count=e;const r=t.workgroupSize;let s=r[0];for(let e=1;e<r.length;e++)s*=r[e];const a=Math.ceil(e/s),o=this.device.limits.maxComputeWorkgroupsPerDimension;i=[a,1,1],a>o&&(i[0]=Math.min(a,o),i[1]=Math.ceil(a/o)),n.dispatchSize=i}i=n.dispatchSize}a.dispatchWorkgroups(i[0],i[1]||1,i[2]||1)}finishCompute(e){const t=this.get(e);t.passEncoderGPU.end(),jC(this.device,t.cmdEncoderGPU.finish())}_draw(e,t,r,s,i,n,a,o,u){const{object:l,material:d,context:c}=e,h=e.getIndex(),p=null!==h;this.pipelineUtils.setPipeline(o,s),u.pipeline=s;const g=u.bindingGroups;for(let e=0,t=i.length;e<t;e++){const t=i[e],r=this.get(t);g[e]!==t.id&&(o.setBindGroup(e,r.group),g[e]=t.id)}if(!0===p&&u.index!==h){const e=this.get(h).buffer,t=h.array instanceof Uint16Array?HE:jE;o.setIndexBuffer(e,t),u.index=h}for(let e=0,t=n.length;e<t;e++){const t=n[e];if(u.attributes[e]!==t){const r=this.get(t).buffer;o.setVertexBuffer(e,r),u.attributes[e]=t}}if(!0===c.stencil&&!0===d.stencilWrite&&r.currentStencilRef!==d.stencilRef&&(o.setStencilReference(d.stencilRef),r.currentStencilRef=d.stencilRef),!0===l.isBatchedMesh){const e=l._multiDrawStarts,r=l._multiDrawCounts,s=l._multiDrawCount;let i=!0===p?h.array.BYTES_PER_ELEMENT:1;d.wireframe&&(i=l.geometry.attributes.position.count>65535?4:2);for(let n=0;n<s;n++)!0===p?o.drawIndexed(r[n],1,e[n]/i,0,n):o.draw(r[n],1,e[n],n),t.update(l,r[n],1)}else if(!0===p){const{vertexCount:r,instanceCount:s,firstVertex:i}=a,n=e.getIndirect();if(null!==n){const t=this.get(n).buffer,r=e.getIndirectOffset(),s=Array.isArray(r)?r:[r];for(let e=0;e<s.length;e++)o.drawIndexedIndirect(t,s[e])}else o.drawIndexed(r,s,i,0,0);t.update(l,r,s)}else{const{vertexCount:r,instanceCount:s,firstVertex:i}=a,n=e.getIndirect();if(null!==n){const t=this.get(n).buffer,r=e.getIndirectOffset(),s=Array.isArray(r)?r:[r];for(let e=0;e<s.length;e++)o.drawIndirect(t,s[e])}else o.draw(r,s,i,0);t.update(l,r,s)}}draw(e,t){const{object:r,context:s,pipeline:i}=e,n=this.get(s),a=this.get(i),o=a.pipeline;if(!0===a.error)return;const u=e.getDrawParameters();if(null===u)return;const l=e.getBindings(),d=e.getVertexBuffers();if(e.camera.isArrayCamera&&e.camera.cameras.length>0){const i=this.get(e.camera),a=e.camera.cameras,c=e.getBindingGroup("cameraIndex");if(void 0===i.indexesGPU||i.indexesGPU.length!==a.length){const e=this.get(c),t=[],r=new Uint32Array([0,0,0,0]);for(let s=0,i=a.length;s<i;s++){r[0]=s;const{layoutGPU:i}=e.layout,n=this.bindingUtils.createBindGroupIndex(r,i);t.push(n)}i.indexesGPU=t}const h=this.renderer.getPixelRatio();for(let p=0,g=a.length;p<g;p++){const g=a[p];if(r.layers.test(g.layers)){const r=g.viewport;let a=n.currentPass,m=n.currentSets;const f=void 0!==n.bundleEncoders;if(f){a=n.bundleEncoders[p],m=n.bundleSets[p]}if(r&&!f&&a.setViewport(Math.floor(r.x*h),Math.floor(r.y*h),Math.floor(r.width*h),Math.floor(r.height*h),s.viewportValue.minDepth,s.viewportValue.maxDepth),c&&i.indexesGPU){const e=l.indexOf(c);a.setBindGroup(e,i.indexesGPU[p]),m.bindingGroups[e]=c.id}this._draw(e,t,n,o,l,d,u,a,m)}}}else if(n.currentPass){if(void 0!==n.occlusionQuerySet){const e=n.lastOcclusionObject;e!==r&&(null!==e&&!0===e.occlusionTest&&(n.currentPass.endOcclusionQuery(),n.occlusionQueryIndex++),!0===r.occlusionTest&&(n.currentPass.beginOcclusionQuery(n.occlusionQueryIndex),n.occlusionQueryObjects[n.occlusionQueryIndex]=r),n.lastOcclusionObject=r)}this._draw(e,t,n,o,l,d,u,n.currentPass,n.currentSets)}}needsRenderUpdate(e){const t=this.get(e),{object:r,material:s}=e,i=this.utils,n=i.getSampleCountRenderContext(e.context),a=i.getCurrentColorSpace(e.context),o=i.getCurrentColorFormat(e.context),u=i.getCurrentDepthStencilFormat(e.context),l=i.getPrimitiveTopology(r,s);let d=!1;return t.material===s&&t.materialVersion===s.version&&t.transparent===s.transparent&&t.blending===s.blending&&t.premultipliedAlpha===s.premultipliedAlpha&&t.blendSrc===s.blendSrc&&t.blendDst===s.blendDst&&t.blendEquation===s.blendEquation&&t.blendSrcAlpha===s.blendSrcAlpha&&t.blendDstAlpha===s.blendDstAlpha&&t.blendEquationAlpha===s.blendEquationAlpha&&t.colorWrite===s.colorWrite&&t.depthWrite===s.depthWrite&&t.depthTest===s.depthTest&&t.depthFunc===s.depthFunc&&t.stencilWrite===s.stencilWrite&&t.stencilFunc===s.stencilFunc&&t.stencilFail===s.stencilFail&&t.stencilZFail===s.stencilZFail&&t.stencilZPass===s.stencilZPass&&t.stencilFuncMask===s.stencilFuncMask&&t.stencilWriteMask===s.stencilWriteMask&&t.side===s.side&&t.alphaToCoverage===s.alphaToCoverage&&t.sampleCount===n&&t.colorSpace===a&&t.colorFormat===o&&t.depthStencilFormat===u&&t.primitiveTopology===l&&t.clippingContextCacheKey===e.clippingContextCacheKey||(t.material=s,t.materialVersion=s.version,t.transparent=s.transparent,t.blending=s.blending,t.premultipliedAlpha=s.premultipliedAlpha,t.blendSrc=s.blendSrc,t.blendDst=s.blendDst,t.blendEquation=s.blendEquation,t.blendSrcAlpha=s.blendSrcAlpha,t.blendDstAlpha=s.blendDstAlpha,t.blendEquationAlpha=s.blendEquationAlpha,t.colorWrite=s.colorWrite,t.depthWrite=s.depthWrite,t.depthTest=s.depthTest,t.depthFunc=s.depthFunc,t.stencilWrite=s.stencilWrite,t.stencilFunc=s.stencilFunc,t.stencilFail=s.stencilFail,t.stencilZFail=s.stencilZFail,t.stencilZPass=s.stencilZPass,t.stencilFuncMask=s.stencilFuncMask,t.stencilWriteMask=s.stencilWriteMask,t.side=s.side,t.alphaToCoverage=s.alphaToCoverage,t.sampleCount=n,t.colorSpace=a,t.colorFormat=o,t.depthStencilFormat=u,t.primitiveTopology=l,t.clippingContextCacheKey=e.clippingContextCacheKey,d=!0),d}getRenderCacheKey(e){const{object:t,material:r}=e,s=this.utils,i=e.context,n=t.isMesh&&t.matrixWorld.determinant()<0;return[r.transparent,r.blending,r.premultipliedAlpha,r.blendSrc,r.blendDst,r.blendEquation,r.blendSrcAlpha,r.blendDstAlpha,r.blendEquationAlpha,r.colorWrite,r.depthWrite,r.depthTest,r.depthFunc,r.stencilWrite,r.stencilFunc,r.stencilFail,r.stencilZFail,r.stencilZPass,r.stencilFuncMask,r.stencilWriteMask,r.side,n,s.getSampleCountRenderContext(i),s.getCurrentColorSpace(i),s.getCurrentColorFormat(i),s.getCurrentDepthStencilFormat(i),s.getPrimitiveTopology(t,r),e.getGeometryCacheKey(),e.clippingContextCacheKey].join()}updateSampler(e,t){return this.textureUtils.updateSampler(e,t)}createDefaultTexture(e){return this.textureUtils.createDefaultTexture(e)}createTexture(e,t){this.textureUtils.createTexture(e,t)}updateTexture(e,t){this.textureUtils.updateTexture(e,t)}generateMipmaps(e){this.textureUtils.generateMipmaps(e)}destroyTexture(e,t=!1){this.textureUtils.destroyTexture(e,t)}async copyTextureToBuffer(e,t,r,s,i,n){return this.textureUtils.copyTextureToBuffer(e,t,r,s,i,n)}initTimestampQuery(e,t,r){if(!this.trackTimestamp)return;this.timestampQueryPool[e]||(this.timestampQueryPool[e]=new mB(this.device,e,2048));const s=this.timestampQueryPool[e],i=s.allocateQueriesForContext(t);NB.querySet=s.querySet,NB.beginningOfPassWriteIndex=i,NB.endOfPassWriteIndex=i+1,r.timestampWrites=NB}createNodeBuilder(e,t){return new qM(e,t)}createProgram(e){const t=this.get(e);vB.label=e.stage+(""!==e.name?`_${e.name}`:""),vB.code=e.code,t.module={module:this.device.createShaderModule(vB),entryPoint:"main"},vB.reset()}destroyProgram(e){this.delete(e)}createRenderPipeline(e,t){this.pipelineUtils.createRenderPipeline(e,t)}createComputePipeline(e,t){this.pipelineUtils.createComputePipeline(e,t)}beginBundle(e){const t=this.get(e);t._currentPass=t.currentPass,t._currentSets=t.currentSets,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.currentPass=this.pipelineUtils.createBundleEncoder(e)}finishBundle(e,t){const r=this.get(e),s=r.currentPass.finish();this.get(t).bundleGPU=s,r.currentSets=r._currentSets,r.currentPass=r._currentPass}addBundle(e,t){this.get(e).renderBundles.push(this.get(t).bundleGPU)}createUniformBuffer(e){const t=this.get(e);if(void 0===t.buffer){const r=e.byteLength,s=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,i=[];e.visibility&CE.VERTEX&&i.push("vertex"),e.visibility&CE.FRAGMENT&&i.push("fragment"),e.visibility&CE.COMPUTE&&i.push("compute");const n=`(${i.join(",")})`;bB.label=`bindingBuffer${e.id}_${e.name}_${n}`,bB.size=r,bB.usage=s;const a=this.device.createBuffer(bB);bB.reset(),t.buffer=a}}destroyUniformBuffer(e){this.get(e).buffer.destroy(),this.delete(e)}createBindings(e,t,r,s){this.bindingUtils.createBindings(e,t,r,s)}updateBindings(e,t,r,s){this.bindingUtils.createBindings(e,t,r,s)}updateBinding(e){this.bindingUtils.updateBinding(e)}deleteBindGroupData(e){this.bindingUtils.deleteBindGroupData(e)}createIndexAttribute(e){let t=GPUBufferUsage.INDEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST;(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)&&(t|=GPUBufferUsage.STORAGE),this.attributeUtils.createAttribute(e,t)}createAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createStorageAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.STORAGE|GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createIndirectStorageAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.STORAGE|GPUBufferUsage.INDIRECT|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}updateAttribute(e){this.attributeUtils.updateAttribute(e)}destroyAttribute(e){this.attributeUtils.destroyAttribute(e)}updateSize(){this.delete(this.renderer.getCanvasTarget())}hasFeature(e){return void 0!==VC[e]&&(e=VC[e]),this.device.features.has(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){let a=0,o=0,u=0,l=0,d=0,c=0,h=e.image.width,p=e.image.height,g=1;null!==r&&(!0===r.isBox3?(l=r.min.x,d=r.min.y,c=r.min.z,h=r.max.x-r.min.x,p=r.max.y-r.min.y,g=r.max.z-r.min.z):(l=r.min.x,d=r.min.y,h=r.max.x-r.min.x,p=r.max.y-r.min.y,g=1)),null!==s&&(a=s.x,o=s.y,u=s.z||0),xB.label="copyTextureToTexture_"+e.id+"_"+t.id;const m=this.device.createCommandEncoder(xB);xB.reset();const f=this.get(e).texture,y=this.get(t).texture;SB.texture=f,SB.mipLevel=i,SB.origin.x=l,SB.origin.y=d,SB.origin.z=c,RB.texture=y,RB.mipLevel=n,RB.origin.x=a,RB.origin.y=o,RB.origin.z=u,wB.width=h,wB.height=p,wB.depthOrArrayLayers=g,m.copyTextureToTexture(SB,RB,wB),SB.reset(),RB.reset(),wB.reset(),jC(this.device,m.finish()),0===n&&t.generateMipmaps&&this.textureUtils.generateMipmaps(t)}copyFramebufferToTexture(e,t,r){const s=this.get(t);let i=null;i=t.renderTarget?e.isDepthTexture?this.get(t.depthTexture).texture:this.get(t.textures[0]).texture:e.isDepthTexture?this.textureUtils.getDepthBuffer(t.depth,t.stencil):this.context.getCurrentTexture();const n=this.get(e).texture;if(i.format!==n.format)return void o("WebGPUBackend: copyFramebufferToTexture: Source and destination formats do not match.",i.format,n.format);let a;if(s.currentPass?(s.currentPass.end(),a=s.encoder):(xB.label="copyFramebufferToTexture_"+e.id,a=this.device.createCommandEncoder(xB),xB.reset()),SB.texture=i,SB.origin.x=r.x,SB.origin.y=r.y,RB.texture=n,wB.width=r.z,wB.height=r.w,a.copyTextureToTexture(SB,RB,wB),SB.reset(),RB.reset(),wB.reset(),e.generateMipmaps&&this.textureUtils.generateMipmaps(e,a),s.currentPass){const{descriptor:e}=s;for(let t=0;t<e.colorAttachments.length;t++)e.colorAttachments[t].loadOp=VE;t.depth&&(e.depthStencilAttachment.depthLoadOp=VE),t.stencil&&(e.depthStencilAttachment.stencilLoadOp=VE),s.currentPass=a.beginRenderPass(e),s.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.viewport&&this.updateViewport(t),t.scissor&&this.updateScissor(t)}else jC(this.device,a.finish())}hasCompatibility(e){return void 0!==this._compatibility[e]?this._compatibility[e]:super.hasCompatibility(e)}dispose(){if(this.bindingUtils.dispose(),this.textureUtils.dispose(),this.occludedResolveCache){for(const e of this.occludedResolveCache.values())e.destroy();this.occludedResolveCache.clear()}if(this.timestampQueryPool)for(const e of Object.values(this.timestampQueryPool))null!==e&&e.dispose();void 0===this.parameters.device&&null!==this.device&&this.device.destroy()}}class CB extends ms{constructor(e,t,r,s,i,n){super(e,t,r,s,i,n),this.iesMap=null}copy(e,t){return super.copy(e,t),this.iesMap=e.iesMap,this}}class MB extends ms{constructor(e,t,r,s,i,n){super(e,t,r,s,i,n),this.aspect=null}copy(e,t){return super.copy(e,t),this.aspect=e.aspect,this}}class BB extends uR{constructor(){super(),this.addLight(Qv,fs),this.addLight(US,ys),this.addLight(HS,bs),this.addLight(IS,ms),this.addLight(PS,xs),this.addLight(DS,Ts),this.addLight(VS,_s),this.addLight(OS,CB),this.addLight(GS,MB),this.addToneMapping(DT,vs),this.addToneMapping(IT,Ns),this.addToneMapping(OT,Ss),this.addToneMapping(kT,Rs),this.addToneMapping(WT,Es),this.addToneMapping(HT,ws)}}class LB extends LR{constructor(e={}){let t;e.forceWebGL?t=SE:(t=AB,e.getFallback=()=>(d("WebGPURenderer: WebGPU is not available, running under WebGL2 backend."),new SE(e)));super(new t(e),e),this.library=new BB,this.isWebGPURenderer=!0}}class FB extends As{constructor(){super(),this.isBundleGroup=!0,this.type="BundleGroup",this.static=!0,this.version=0}set needsUpdate(e){!0===e&&this.version++}}class PB{constructor(e,t=Ln(0,0,1,1)){this.renderer=e,this.outputNode=t,this.outputColorTransform=!0,this.needsUpdate=!0;const r=new Ig;r.name="RenderPipeline",this._quadMesh=new Vx(r),this._quadMesh.name="Render Pipeline",this._context=null,this._toneMapping=e.toneMapping,this._outputColorSpace=e.outputColorSpace}render(){const e=this.renderer;this._update(),null!==this._context.onBeforeRenderPipeline&&this._context.onBeforeRenderPipeline();const t=e.toneMapping,r=e.outputColorSpace;e.toneMapping=m,e.outputColorSpace=p.workingColorSpace;const s=e.xr.enabled;e.xr.enabled=!1,this._quadMesh.render(e),e.xr.enabled=s,e.toneMapping=t,e.outputColorSpace=r,null!==this._context.onAfterRenderPipeline&&this._context.onAfterRenderPipeline()}get context(){return this._context}dispose(){this._quadMesh.material.dispose()}_update(){if(this._toneMapping!==this.renderer.toneMapping&&(this._toneMapping=this.renderer.toneMapping,this.needsUpdate=!0),this._outputColorSpace!==this.renderer.outputColorSpace&&(this._outputColorSpace=this.renderer.outputColorSpace,this.needsUpdate=!0),!0===this.needsUpdate){const e=this._toneMapping,t=this._outputColorSpace,r={renderPipeline:this,onBeforeRenderPipeline:null,onAfterRenderPipeline:null};let s=this.outputNode;!0===this.outputColorTransform?(s=s.context(r),s=Vl(s,e,t)):(r.toneMapping=e,r.outputColorSpace=t,s=s.context(r)),this._context=r,this._quadMesh.material.fragmentNode=s,this._quadMesh.material.needsUpdate=!0,this.needsUpdate=!1}}async renderAsync(){v('RenderPipeline: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await this.renderer.init(),this.render()}}class UB extends PB{constructor(e,t){v('PostProcessing: "PostProcessing" has been renamed to "RenderPipeline". Please update your code to use "THREE.RenderPipeline" instead.'),super(e,t)}}class DB extends u{constructor(e){super(),this.name="",this.buffer=null,this.maxByteLength=e,this.isReadbackBuffer=!0,this._mapped=!1}release(){this.dispatchEvent({type:"release"})}dispose(){this.dispatchEvent({type:"dispose"})}}class IB extends N{constructor(e=1,t=1){super(),this.image={width:e,height:t},this.magFilter=le,this.minFilter=le,this.isStorageTexture=!0,this.mipmapsAutoUpdate=!0}setSize(e,t){this.image.width===e&&this.image.height===t||(this.image.width=e,this.image.height=t,this.dispose())}}class OB extends Qx{constructor(e,t){super(e,t,Uint32Array),this.isIndirectStorageBufferAttribute=!0}}class VB extends Cs{constructor(e){super(e),this.textures={},this.nodes={}}load(e,t,r,s){const i=new Ms(this.manager);i.setPath(this.path),i.setRequestHeader(this.requestHeader),i.setWithCredentials(this.withCredentials),i.load(e,r=>{try{t(this.parse(JSON.parse(r)))}catch(t){s?s(t):o(t),this.manager.itemError(e)}},r,s)}parseNodes(e){const t={};if(void 0!==e){for(const r of e){const{uuid:e,type:s}=r;t[e]=this.createNodeFromType(s),t[e].uuid=e}const r={nodes:t,textures:this.textures};for(const s of e){s.meta=r;t[s.uuid].deserialize(s),delete s.meta}}return t}parse(e){const t=this.createNodeFromType(e.type);t.uuid=e.uuid;const r={nodes:this.parseNodes(e.nodes),textures:this.textures};return e.meta=r,t.deserialize(e),delete e.meta,t}setTextures(e){return this.textures=e,this}setNodes(e){return this.nodes=e,this}createNodeFromType(e){return void 0===this.nodes[e]?(o("NodeLoader: Node type not found:",e),Tn()):new this.nodes[e]}}class kB extends Bs{constructor(e){super(e),this.nodes={},this.nodeMaterials={}}parse(e){const t=super.parse(e),r=this.nodes,s=e.inputNodes;for(const e in s){const i=s[e];t[e]=r[i]}return t}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}createMaterialFromType(e){const t=this.nodeMaterials[e];return void 0!==t?new t:super.createMaterialFromType(e)}}class GB extends Ls{constructor(e){super(e),this.nodes={},this.nodeMaterials={},this._nodesJSON=null}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}parse(e,t){this._nodesJSON=e.nodes;const r=super.parse(e,t);return this._nodesJSON=null,r}async parseAsync(e){this._nodesJSON=e.nodes;const t=await super.parseAsync(e);return this._nodesJSON=null,t}parseNodes(e,t){if(void 0!==e){const r=new VB;return r.setNodes(this.nodes),r.setTextures(t),r.parseNodes(e)}return{}}parseMaterials(e,t){const r={};if(void 0!==e){const s=this.parseNodes(this._nodesJSON,t),i=new kB;i.setTextures(t),i.setNodes(s),i.setNodeMaterials(this.nodeMaterials);for(let t=0,s=e.length;t<s;t++){const s=e[t];r[s.uuid]=i.parse(s)}}return r}}class $B extends As{constructor(){super(),this.isClippingGroup=!0,this.clippingPlanes=[],this.enabled=!0,this.clipIntersection=!1,this.clipShadows=!1}}export{Rs as ACESFilmicToneMapping,og as AONode,it as AddEquation,pe as AddOperation,Kt as AdditiveBlending,Es as AgXToneMapping,$e as AlphaFormat,jr as AlwaysCompare,ir as AlwaysDepth,ss as AlwaysStencilFunc,xs as AmbientLight,PS as AmbientLightNode,qv as AnalyticLightNode,vt as ArrayCamera,gi as ArrayElementNode,Ca as ArrayNode,Ba as AssignNode,f_ as AtomicFunctionNode,Hl as AttributeNode,F as BackSide,h_ as BarrierNode,um as BasicEnvironmentNode,lm as BasicLightMapNode,gt as BasicShadowMap,Gb as BitcastNode,Hb as BitcountNode,Ub as BlendMode,ae as BoxGeometry,Ae as BufferAttribute,cl as BufferAttributeNode,ve as BufferGeometry,id as BufferNode,ld as BuiltinNode,Dh as BumpMapNode,FB as BundleGroup,Cl as BypassNode,Oe as ByteType,NR as CanvasTarget,Ss as CineonToneMapping,_e as ClampToEdgeWrapping,$B as ClippingGroup,Bg as ClippingNode,jT as CodeNode,e as Color,p as ColorManagement,Ju as ColorSpaceNode,E as Compatibility,n_ as ComputeBuiltinNode,Nl as ComputeNode,Bu as ConditionalNode,Si as ConstNode,Fu as ContextNode,mi as ConvertNode,de as CubeCamera,mt as CubeDepthTexture,im as CubeMapNode,D as CubeReflectionMapping,I as CubeRefractionMapping,U as CubeTexture,Xc as CubeTextureNode,we as CubeUVReflectionMapping,qt as CullFaceBack,Xt as CullFaceFront,jt as CullFaceNone,Rt as CustomBlending,wt as CylinderGeometry,X as DataArrayTexture,xe as DataTexture,kl as DebugNode,os as DecrementStencilOp,ns as DecrementWrapStencilOp,He as DepthFormat,je as DepthStencilFormat,Z as DepthTexture,ys as DirectionalLight,US as DirectionalLightNode,P as DoubleSide,Gt as DstAlphaFactor,$t as DstColorFactor,x as DynamicDrawUsage,cy as EnvironmentNode,Hr as EqualCompare,tr as EqualDepth,es as EqualStencilFunc,ce as EquirectangularReflectionMapping,he as EquirectangularRefractionMapping,u as EventDispatcher,Rp as EventNode,Fl as ExpressionNode,Ms as FileLoader,_i as FlipNode,xt as Float16BufferAttribute,lt as Float32BufferAttribute,Y as FloatType,Q as FramebufferTexture,vc as FrontFacingNode,St as FrontSide,Lt as Frustum,Bt as FrustumArray,Fa as FunctionCallNode,XT as FunctionNode,ux as FunctionOverloadingNode,ZS as GLSLNodeParser,C as GreaterCompare,Jt as GreaterDepth,M as GreaterEqualCompare,er as GreaterEqualDepth,Jr as GreaterEqualStencilFunc,Zr as GreaterStencilFunc,As as Group,Te as HalfFloatType,Ts as HemisphereLight,DS as HemisphereLightNode,CB as IESSpotLight,OS as IESSpotLightNode,us as IncrementStencilOp,as as IncrementWrapStencilOp,fl as IndexNode,OB as IndirectStorageBufferAttribute,vi as InputNode,$l as InspectorBase,zl as InspectorNode,j as InstancedBufferAttribute,q as InstancedInterleavedBuffer,R as IntType,b as InterleavedBuffer,y as InterleavedBufferAttribute,ls as InvertStencilOp,dg as IrradianceNode,El as IsolateNode,yi as JoinNode,hs as KeepStencilOp,w as LessCompare,sr as LessDepth,A as LessEqualCompare,rr as LessEqualDepth,ts as LessEqualStencilFunc,rs as LessStencilFunc,_s as LightProbe,VS as LightProbeNode,cR as Lighting,ug as LightingContextNode,dm as LightingModel,ag as LightingNode,nv as LightsNode,Kg as Line2NodeMaterial,ee as LineBasicMaterial,Vg as LineBasicNodeMaterial,te as LineDashedMaterial,Gg as LineDashedNodeMaterial,le as LinearFilter,ot as LinearMipMapLinearFilter,K as LinearMipmapLinearFilter,yt as LinearMipmapNearestFilter,Re as LinearSRGBColorSpace,vs as LinearToneMapping,Xr as LinearTransfer,Cs as Loader,Kp as LoopNode,Vb as MRTNode,J as Material,nt as MaterialBlending,Bs as MaterialLoader,Vh as MaterialNode,th as MaterialReferenceNode,uo as MathNode,l as MathUtils,i as Matrix2,n as Matrix3,a as Matrix4,ps as MaxEquation,Ql as MaxMipLevelNode,Ri as MemberNode,oe as Mesh,fe as MeshBasicMaterial,pm as MeshBasicNodeMaterial,ye as MeshLambertMaterial,Tm as MeshLambertNodeMaterial,Le as MeshMatcapMaterial,Ey as MeshMatcapNodeMaterial,se as MeshNormalMaterial,Jg as MeshNormalNodeMaterial,be as MeshPhongMaterial,vm as MeshPhongNodeMaterial,Me as MeshPhysicalMaterial,yy as MeshPhysicalNodeMaterial,xy as MeshSSSNodeMaterial,Ce as MeshStandardMaterial,my as MeshStandardNodeMaterial,Be as MeshToonMaterial,Ny as MeshToonNodeMaterial,gs as MinEquation,Gr as MirroredRepeatWrapping,ge as MixOperation,tc as ModelNode,Yt as MultiplyBlending,me as MultiplyOperation,B as NearestFilter,bt as NearestMipmapLinearFilter,zr as NearestMipmapNearestFilter,ws as NeutralToneMapping,qr as NeverCompare,nr as NeverDepth,is as NeverStencilFunc,re as NoBlending,T as NoColorSpace,V as NoNormalPacking,m as NoToneMapping,pi as Node,ai as NodeAccess,JN as NodeAttribute,BS as NodeBuilder,nS as NodeCache,sS as NodeCode,Zl as NodeError,LS as NodeFrame,FS as NodeFunctionInput,VB as NodeLoader,Ig as NodeMaterial,kB as NodeMaterialLoader,Is as NodeMaterialObserver,GB as NodeObjectLoader,si as NodeShaderStage,ni as NodeType,eS as NodeUniform,ii as NodeUpdateType,ri as NodeUtils,tS as NodeVar,rS as NodeVarying,tt as NormalBlending,G as NormalGAPacking,Lh as NormalMapNode,k as NormalRGPacking,Wr as NotEqualCompare,Zt as NotEqualDepth,Kr as NotEqualStencilFunc,at as Object3D,Xd as Object3DNode,Ls as ObjectLoader,$ as ObjectSpaceNormalMap,Ht as OneFactor,Ot as OneMinusDstAlphaFactor,Vt as OneMinusDstColorFactor,st as OneMinusSrcAlphaFactor,kt as OneMinusSrcColorFactor,Da as OperatorNode,Ne as OrthographicCamera,Fb as OutputStructNode,ct as PCFShadowMap,ht as PCFSoftShadowMap,ty as PMREMGenerator,uy as PMREMNode,Kb as PackFloatNode,Ab as ParameterNode,PT as PassNode,Se as PerspectiveCamera,bm as PhongLightingModel,yf as PhysicalLightingModel,ut as Plane,Nt as PlaneGeometry,fs as PointLight,Qv as PointLightNode,Hv as PointShadowNode,Kx as PointUVNode,Pe as PointsMaterial,Fy as PointsNodeMaterial,UB as PostProcessing,MB as ProjectorLight,GS as ProjectorLightNode,Gn as PropertyNode,Vx as QuadMesh,At as Quaternion,br as R11_EAC_Format,W as RED_GREEN_RGTC2_Format,Or as RED_RGTC1_Format,_t as REVISION,H as RG11_EAC_Format,Ee as RGBAFormat,Ft as RGBAIntegerFormat,Lr as RGBA_ASTC_10x10_Format,Cr as RGBA_ASTC_10x5_Format,Mr as RGBA_ASTC_10x6_Format,Br as RGBA_ASTC_10x8_Format,Fr as RGBA_ASTC_12x10_Format,Pr as RGBA_ASTC_12x12_Format,_r as RGBA_ASTC_4x4_Format,vr as RGBA_ASTC_5x4_Format,Nr as RGBA_ASTC_5x5_Format,Sr as RGBA_ASTC_6x5_Format,Rr as RGBA_ASTC_6x6_Format,Er as RGBA_ASTC_8x5_Format,wr as RGBA_ASTC_8x6_Format,Ar as RGBA_ASTC_8x8_Format,Ur as RGBA_BPTC_Format,yr as RGBA_ETC2_EAC_Format,gr as RGBA_PVRTC_2BPPV1_Format,pr as RGBA_PVRTC_4BPPV1_Format,ur as RGBA_S3TC_DXT1_Format,lr as RGBA_S3TC_DXT3_Format,dr as RGBA_S3TC_DXT5_Format,Xe as RGBFormat,Ye as RGBIntegerFormat,Dr as RGB_BPTC_SIGNED_Format,Ir as RGB_BPTC_UNSIGNED_Format,mr as RGB_ETC1_Format,fr as RGB_ETC2_Format,hr as RGB_PVRTC_2BPPV1_Format,cr as RGB_PVRTC_4BPPV1_Format,or as RGB_S3TC_DXT1_Format,z as RGFormat,qe as RGIntegerFormat,Gx as RTTNode,s_ as RangeNode,DB as ReadbackBuffer,bs as RectAreaLight,HS as RectAreaLightNode,ze as RedFormat,We as RedIntegerFormat,sl as ReferenceBaseNode,Zc as ReferenceNode,Px as ReflectorNode,Ns as ReinhardToneMapping,Ol as RenderOutputNode,PB as RenderPipeline,ne as RenderTarget,il as RendererReferenceNode,fv as RendererUtils,$r as RepeatWrapping,ds as ReplaceStencilOp,Dt as ReverseSubtractEquation,wy as RotateNode,xr as SIGNED_R11_EAC_Format,kr as SIGNED_RED_GREEN_RGTC2_Format,Vr as SIGNED_RED_RGTC1_Format,Tr as SIGNED_RG11_EAC_Format,ie as SRGBColorSpace,g as SRGBTransfer,Xx as SampleNode,ue as Scene,pd as ScreenNode,Ti as SetNode,av as ShadowBaseNode,Ue as ShadowMaterial,Lv as ShadowNode,Iy as ShadowNodeMaterial,ke as ShortType,L as Sphere,ft as SphereGeometry,xi as SplitNode,ms as SpotLight,IS as SpotLightNode,Fe as SpriteMaterial,My as SpriteNodeMaterial,rt as SrcAlphaFactor,zt as SrcAlphaSaturateFactor,Wt as SrcColorFactor,Cb as StackNode,Vs as StackTrace,f as StaticDrawUsage,Cp as StorageArrayElementNode,Qx as StorageBufferAttribute,Bp as StorageBufferNode,Yx as StorageInstancedBufferAttribute,IB as StorageTexture,nT as StorageTexture3DNode,sT as StorageTextureNode,Lb as StructNode,Bb as StructTypeNode,Hu as SubBuildNode,x_ as SubgroupFunctionNode,It as SubtractEquation,Qt as SubtractiveBlending,qN as TSL,O as TangentSpaceNormalMap,fi as TempNode,N as Texture,uT as Texture3DNode,ed as TextureNode,Xl as TextureSizeNode,Pt as TimestampQuery,al as ToneMappingNode,UT as ToonOutlinePassNode,dt as UVMapping,Ie as Uint16BufferAttribute,De as Uint32BufferAttribute,od as UniformArrayNode,_a as UniformGroupNode,wa as UniformNode,tx as UnpackFloatNode,Ve as UnsignedByteType,et as UnsignedInt101111Type,Ze as UnsignedInt248Type,Je as UnsignedInt5999Type,S as UnsignedIntType,Qe as UnsignedShort4444Type,Ke as UnsignedShort5551Type,Ge as UnsignedShortType,dT as UserDataNode,pt as VSMShadowMap,ku as VarNode,qu as VaryingNode,t as Vector2,r as Vector3,s as Vector4,hT as VelocityNode,Ug as VertexColorNode,Tg as ViewportDepthNode,bg as ViewportDepthTextureNode,CT as ViewportSharedTextureNode,hg as ViewportTextureNode,$y as VolumeNodeMaterial,SE as WebGLBackend,c as WebGLCoordinateSystem,AB as WebGPUBackend,h as WebGPUCoordinateSystem,LB as WebGPURenderer,Ct as WebXRController,m_ as WorkgroupInfoNode,Et as ZeroFactor,cs as ZeroStencilOp,Ut as createCanvasElement,ui as defaultBuildStages,oi as defaultShaderStages,o as error,_ as log,li as shaderStages,di as vectorComponents,d as warn,v as warnOnce};
diff --git a/examples/jsm/inspector/Inspector.js b/examples/jsm/inspector/Inspector.js
index 287b605eef4926..fe97227600b63a 100644
--- a/examples/jsm/inspector/Inspector.js
+++ b/examples/jsm/inspector/Inspector.js
@@ -256,9 +256,28 @@ class Inspector extends RendererInspector {
 
 		//
 
-		if ( renderer.inspector.domElement.parentElement === null && renderer.domElement.parentElement !== null ) {
+		if ( renderer.inspector.domElement.parentElement === null ) {
 
-			renderer.domElement.parentElement.appendChild( renderer.inspector.domElement );
+			if ( renderer.domElement.parentElement !== null ) {
+
+				renderer.domElement.parentElement.appendChild( renderer.inspector.domElement );
+
+			} else {
+
+				const observer = new MutationObserver( () => {
+
+					if ( renderer.domElement.parentElement !== null ) {
+
+						renderer.domElement.parentElement.appendChild( renderer.inspector.domElement );
+						observer.disconnect();
+
+					}
+
+				} );
+
+				observer.observe( document.body || document.documentElement, { childList: true, subtree: true } );
+
+			}
 
 		}
 
diff --git a/examples/jsm/inspector/tabs/Console.js b/examples/jsm/inspector/tabs/Console.js
index 4462a82f3042b0..3cedb9edc0c902 100644
--- a/examples/jsm/inspector/tabs/Console.js
+++ b/examples/jsm/inspector/tabs/Console.js
@@ -38,7 +38,7 @@ class Console extends Tab {
 	buildHeader() {
 
 		const header = document.createElement( 'div' );
-		header.className = 'console-header';
+		header.className = 'toolbar';
 
 		const filterInput = document.createElement( 'input' );
 		filterInput.type = 'text';
diff --git a/examples/jsm/inspector/tabs/Parameters.js b/examples/jsm/inspector/tabs/Parameters.js
index d3c54a4789d8b9..64871c08ef5e8a 100644
--- a/examples/jsm/inspector/tabs/Parameters.js
+++ b/examples/jsm/inspector/tabs/Parameters.js
@@ -1,7 +1,7 @@
 import { Tab } from '../ui/Tab.js';
 import { List } from '../ui/List.js';
 import { Item } from '../ui/Item.js';
-import { createValueSpan } from '../ui/utils.js';
+import { createValueSpan, info } from '../ui/utils.js';
 import { ValueString, ValueNumber, ValueSlider, ValueSelect, ValueCheckbox, ValueColor, ValueButton } from '../ui/Values.js';
 
 class ParametersGroup {
@@ -70,60 +70,7 @@ class ParametersGroup {
 
 		editor.info = ( text ) => {
 
-			let infoIcon = itemNode.querySelector( '.info-icon' );
-
-			if ( ! infoIcon ) {
-
-				infoIcon = document.createElement( 'span' );
-				infoIcon.className = 'info-icon';
-				infoIcon.textContent = 'i';
-
-				itemNode.appendChild( infoIcon );
-
-				infoIcon.addEventListener( 'mouseenter', () => {
-
-					const container = infoIcon.closest( '.three-inspector' ) || document.body;
-					let tooltip = container.querySelector( '.three-inspector-info-tooltip' );
-
-					if ( ! tooltip ) {
-
-						tooltip = document.createElement( 'div' );
-						tooltip.className = 'info-tooltip three-inspector-info-tooltip';
-						container.appendChild( tooltip );
-
-					}
-
-					const html = text.trim().replace( /### (.*?)(?:\r?\n|$)/g, '<h3>$1</h3>' )
-								   .replace( /\*\*(.*?)\*\*/g, '<strong>$1</strong>' )
-								   .replace( /\n/g, '<br/>' );
-
-					tooltip.innerHTML = html;
-
-					const rect = infoIcon.getBoundingClientRect();
-
-					tooltip.style.left = ( rect.left + rect.width / 2 ) + 'px';
-					tooltip.style.top = ( rect.top - 8 ) + 'px';
-
-					tooltip.style.opacity = '1';
-					tooltip.style.visibility = 'visible';
-
-				} );
-
-				infoIcon.addEventListener( 'mouseleave', () => {
-
-					const container = infoIcon.closest( '.three-inspector' ) || document.body;
-					const tooltip = container.querySelector( '.three-inspector-info-tooltip' );
-					if ( tooltip ) {
-
-						tooltip.style.opacity = '0';
-						tooltip.style.visibility = 'hidden';
-
-					}
-
-				} );
-
-			}
-
+			info( itemNode, text );
 			return editor;
 
 		};
diff --git a/examples/jsm/inspector/tabs/Timeline.js b/examples/jsm/inspector/tabs/Timeline.js
index 832d8ad7c69620..b90608a0c200da 100644
--- a/examples/jsm/inspector/tabs/Timeline.js
+++ b/examples/jsm/inspector/tabs/Timeline.js
@@ -1,6 +1,7 @@
 import { Tab } from '../ui/Tab.js';
 import { Graph } from '../ui/Graph.js';
 import { getItem, setItem } from '../Inspector.js';
+import { info } from '../ui/utils.js';
 import {
 	ByteType,
 	FloatType,
@@ -37,6 +38,7 @@ class Timeline extends Tab {
 
 		super( 'Timeline', options );
 
+		this.content.style.overflow = 'hidden';
 		this.isRecording = false;
 		this.frames = []; // Array of { id: number, calls: [] }
 
@@ -55,11 +57,6 @@ class Timeline extends Tab {
 		this.graph.addLine( 'calls', 'var( --color-call )' );
 		this.graph.addLine( 'triangles', 'var( --color-red )' );
 
-		const scrollWrapper = document.createElement( 'div' );
-		scrollWrapper.className = 'list-scroll-wrapper';
-		this.scrollWrapper = scrollWrapper;
-		this.content.appendChild( scrollWrapper );
-
 		this.buildHeader();
 		this.buildUI();
 
@@ -76,10 +73,27 @@ class Timeline extends Tab {
 
 	}
 
+	init( inspector ) {
+
+		super.init( inspector );
+
+		this.profiler.addEventListener( 'resize', () => {
+
+			if ( ! this.isRecording && this.frames.length > 0 ) {
+
+				this.renderSlider();
+
+			}
+
+		} );
+
+	}
+
+
 	buildHeader() {
 
 		const header = document.createElement( 'div' );
-		header.className = 'console-header';
+		header.className = 'toolbar';
 
 		this.recordButton = document.createElement( 'button' );
 		this.recordButton.className = 'console-copy-button'; // Reusing style
@@ -101,16 +115,26 @@ class Timeline extends Tab {
 		clearButton.style.alignItems = 'center';
 		clearButton.addEventListener( 'click', () => this.clear() );
 
-		this.viewModeButton = document.createElement( 'button' );
-		this.viewModeButton.className = 'console-copy-button';
-		this.viewModeButton.title = 'Toggle View Mode';
-		this.viewModeButton.textContent = 'Mode: Hierarchy';
-		this.viewModeButton.style.padding = '0 10px';
-		this.viewModeButton.style.lineHeight = '24px';
-		this.viewModeButton.addEventListener( 'click', () => {
+		this.viewModeSelect = document.createElement( 'select' );
+		this.viewModeSelect.className = 'select';
+		this.viewModeSelect.style.width = '120px';
+		this.viewModeSelect.style.marginRight = '10px';
+
+		const hierarchyOption = document.createElement( 'option' );
+		hierarchyOption.value = 'hierarchy';
+		hierarchyOption.textContent = 'Hierarchy';
+		this.viewModeSelect.appendChild( hierarchyOption );
 
-			this.isHierarchicalView = ! this.isHierarchicalView;
-			this.viewModeButton.textContent = this.isHierarchicalView ? 'Mode: Hierarchy' : 'Mode: Counts';
+		const countsOption = document.createElement( 'option' );
+		countsOption.value = 'counts';
+		countsOption.textContent = 'Count';
+		this.viewModeSelect.appendChild( countsOption );
+
+		this.viewModeSelect.value = this.isHierarchicalView ? 'hierarchy' : 'counts';
+
+		this.viewModeSelect.addEventListener( 'change', () => {
+
+			this.isHierarchicalView = this.viewModeSelect.value === 'hierarchy';
 
 			if ( this.selectedFrameIndex !== undefined && this.selectedFrameIndex !== - 1 ) {
 
@@ -150,37 +174,31 @@ class Timeline extends Tab {
 
 		const buttonsGroup = document.createElement( 'div' );
 		buttonsGroup.className = 'console-buttons-group';
-		buttonsGroup.appendChild( this.viewModeButton );
 		buttonsGroup.appendChild( this.recordButton );
 		buttonsGroup.appendChild( this.recordRefreshButton );
 		buttonsGroup.appendChild( this.exportButton );
 		buttonsGroup.appendChild( clearButton );
 
-		header.style.display = 'flex';
-		header.style.justifyContent = 'space-between';
-		header.style.padding = '6px';
-		header.style.borderBottom = '1px solid var(--border-color)';
-
 		const titleElement = document.createElement( 'div' );
-		titleElement.textContent = 'Backend Calls';
 		titleElement.style.display = 'flex';
 		titleElement.style.alignItems = 'center';
 		titleElement.style.color = 'var(--text-primary)';
 		titleElement.style.alignSelf = 'center';
-		titleElement.style.paddingLeft = '5px';
 
 		this.frameInfo = document.createElement( 'span' );
 		this.frameInfo.style.display = 'inline-flex';
 		this.frameInfo.style.alignItems = 'center';
-		this.frameInfo.style.marginLeft = '15px';
+		this.frameInfo.style.marginLeft = '5px';
 		this.frameInfo.style.fontFamily = 'monospace';
 		this.frameInfo.style.color = 'var(--text-secondary)';
 		this.frameInfo.style.fontSize = '12px';
+
+		titleElement.appendChild( this.viewModeSelect );
 		titleElement.appendChild( this.frameInfo );
 
 		header.appendChild( titleElement );
 		header.appendChild( buttonsGroup );
-		this.scrollWrapper.appendChild( header );
+		this.content.appendChild( header );
 
 	}
 
@@ -189,7 +207,9 @@ class Timeline extends Tab {
 		const container = document.createElement( 'div' );
 		container.style.display = 'flex';
 		container.style.flexDirection = 'column';
-		container.style.height = 'calc(100% - 37px)'; // Subtract header height
+		container.style.flex = '1';
+		container.style.minHeight = '0';
+		container.style.marginTop = '10px';
 		container.style.width = '100%';
 
 		// Top Player/Graph Slider using Graph.js SVG
@@ -262,7 +282,7 @@ class Timeline extends Tab {
 
 		const updatePlayheadFromEvent = ( e ) => {
 
-			if ( this.frames.length === 0 ) return;
+			if ( this.isRecording || this.frames.length === 0 ) return;
 
 			const rect = this.graphSlider.getBoundingClientRect();
 			let x = e.clientX - rect.left;
@@ -308,6 +328,8 @@ class Timeline extends Tab {
 
 		this.graphSlider.addEventListener( 'mousedown', ( e ) => {
 
+			if ( this.isRecording ) return;
+
 			isDragging = true;
 			this.isManualScrubbing = true;
 			this.graphSlider.focus();
@@ -471,11 +493,12 @@ class Timeline extends Tab {
 		this.timelineTrack.style.flex = '1';
 		this.timelineTrack.style.overflowY = 'auto';
 		this.timelineTrack.style.margin = '10px';
+		this.timelineTrack.style.marginTop = '8px';
 		this.timelineTrack.style.backgroundColor = 'var(--background-color)';
 		mainArea.appendChild( this.timelineTrack );
 
 		container.appendChild( mainArea );
-		this.scrollWrapper.appendChild( container );
+		this.content.appendChild( container );
 
 	}
 
@@ -615,42 +638,7 @@ class Timeline extends Tab {
 
 						}
 
-						// Sync playhead when new frames are added if user is actively watching a frame
-						if ( ! this.isManualScrubbing ) {
-
-							if ( this.isTrackingLatest ) {
-
-								const targetIndex = this.frames.length > 1 ? this.frames.length - 2 : 0;
-								this.selectFrame( targetIndex );
-
-							} else if ( this.selectedFrameIndex !== - 1 ) {
-
-								const pointCount = this.graph.lines[ 'calls' ].points.length;
-
-								if ( pointCount > 0 ) {
-
-									const rect = this.graphSlider.getBoundingClientRect();
-									const pointStep = rect.width / ( this.graph.maxPoints - 1 );
-									const offset = rect.width - ( ( pointCount - 1 ) * pointStep );
-
-									let localFrameIndex = Math.round( ( this.fixedScreenX - offset ) / pointStep );
-									localFrameIndex = Math.max( 0, Math.min( localFrameIndex, pointCount - 1 ) );
-
-									let newFrameIndex = localFrameIndex;
-
-									if ( this.frames.length > pointCount ) {
 
-										newFrameIndex += this.frames.length - pointCount;
-
-									}
-
-									this.selectFrame( newFrameIndex );
-
-								}
-
-							}
-
-						}
 
 					}
 
@@ -818,7 +806,7 @@ class Timeline extends Tab {
 
 		const details = {
 			target: renderTarget.name || 'RenderTarget',
-			[ `attachments(${ textures.length })` ]: attachments.join( ', ' )
+			[ `attachments(${ textures.length })` ]: '\n' + attachments.join( '\n' )
 		};
 
 		if ( renderTarget.depthTexture ) {
@@ -1321,6 +1309,8 @@ class Timeline extends Tab {
 
 	selectFrame( index ) {
 
+		if ( this.isRecording ) return;
+
 		if ( index < 0 || index >= this.frames.length ) return;
 
 		this.selectedFrameIndex = index;
@@ -1329,9 +1319,16 @@ class Timeline extends Tab {
 		this.renderTimelineTrack( frame );
 
 		// Update UI texts
-		const group = ( c, text ) => `<span style="display:inline-flex;align-items:center;margin-left:12px;"><span style="width:6px;height:6px;border-radius:50%;background-color:${c};margin-right:6px;"></span>${text}</span>`;
+		const isCompact = this.profiler.panel.offsetWidth < 800;
+		const frameLabel = isCompact ? '' : 'Frame: ';
+		const fpsSuffix = isCompact ? '' : ' FPS';
+		const callsSuffix = isCompact ? '' : ' calls';
+		const trianglesSuffix = isCompact ? '' : ' triangles';
+
+		const group = ( c, text ) => `<span style="display:inline-flex;align-items:center;margin-left:12px;flex-shrink:0;"><span style="width:6px;height:6px;border-radius:50%;background-color:${c};margin-right:6px;flex-shrink:0;"></span>${text}</span>`;
 		const maxTriangles = Math.max( this.baseTriangles, frame.triangles || 0 );
-		this.frameInfo.innerHTML = 'Frame: ' + frame.id + group( 'var(--color-fps)', ( frame.fps || 0 ).toFixed( 1 ) + ' FPS' ) + group( 'var(--color-call)', frame.calls.length + ' calls' ) + group( 'var(--color-red)', ( frame.triangles || 0 ) + ' / ' + maxTriangles + ' triangles' );
+		const trianglesText = isCompact ? ( frame.triangles || 0 ) : ( frame.triangles || 0 ) + ' / ' + maxTriangles + trianglesSuffix;
+		this.frameInfo.innerHTML = frameLabel + frame.id + group( 'var(--color-fps)', ( frame.fps || 0 ).toFixed( 1 ) + fpsSuffix ) + group( 'var(--color-call)', frame.calls.length + callsSuffix ) + group( 'var(--color-red)', trianglesText );
 
 		// Update playhead position
 		const rect = this.graphSlider.getBoundingClientRect();
@@ -1391,27 +1388,32 @@ class Timeline extends Tab {
 		if ( ! block ) {
 
 			block = document.createElement( 'div' );
+			block.style.display = 'flex';
+			block.style.alignItems = 'center';
 			block.style.padding = '4px 8px';
 			block.style.margin = '2px 0';
 			block.style.backgroundColor = 'rgba(255, 255, 255, 0.03)';
 			block.style.fontFamily = 'monospace';
 			block.style.fontSize = '12px';
 			block.style.color = 'var(--text-primary)';
-			block.style.whiteSpace = 'nowrap';
 			block.style.overflow = 'hidden';
-			block.style.textOverflow = 'ellipsis';
-			block.style.display = 'flex';
-			block.style.alignItems = 'center';
 
 			block.arrow = document.createElement( 'span' );
 			block.arrow.style.fontSize = '10px';
-			block.arrow.style.marginRight = '10px';
+			block.arrow.style.marginRight = '8px';
 			block.arrow.style.cursor = 'pointer';
-			block.arrow.style.width = '26px';
+			block.arrow.style.width = '35px';
 			block.arrow.style.textAlign = 'center';
+			block.arrow.style.flexShrink = '0';
+			block.arrow.style.whiteSpace = 'nowrap';
 			block.appendChild( block.arrow );
 
 			block.titleSpan = document.createElement( 'span' );
+			block.titleSpan.style.flex = '1';
+			block.titleSpan.style.minWidth = '0';
+			block.titleSpan.style.overflow = 'hidden';
+			block.titleSpan.style.textOverflow = 'ellipsis';
+			block.titleSpan.style.whiteSpace = 'nowrap';
 			block.appendChild( block.titleSpan );
 
 			block.addEventListener( 'click', ( e ) => {
@@ -1456,6 +1458,8 @@ class Timeline extends Tab {
 
 	renderTimelineTrack( frame ) {
 
+		if ( this.isRecording ) return;
+
 		if ( ! frame || frame.calls.length === 0 ) {
 
 			this.timelineTrack.innerHTML = '';
@@ -1492,7 +1496,7 @@ class Timeline extends Tab {
 
 				} else {
 
-					currentGroup = { method: call.method, count: 1, formatedDetails, target: call.target };
+					currentGroup = { method: call.method, count: 1, formatedDetails, target: call.target, details: call.details };
 					groupedCalls.push( currentGroup );
 
 				}
@@ -1522,6 +1526,57 @@ class Timeline extends Tab {
 				block.style.marginLeft = ( currentIndent * indentSize ) + 'px';
 				block.style.borderLeft = '4px solid ' + this.getColorForMethod( call.method );
 
+				// Clean up any old info-icon directly under block
+				const directInfoIcon = block.querySelector( ':scope > .info-icon' );
+				if ( directInfoIcon ) {
+
+					directInfoIcon.remove();
+
+				}
+
+				// Build titleSpan content
+				block.titleSpan.textContent = '';
+
+				const methodSpan = document.createElement( 'span' );
+				methodSpan.textContent = call.method;
+				block.titleSpan.appendChild( methodSpan );
+
+				if ( call.details ) {
+
+					let tooltipText = `### ${call.method}\n`;
+					for ( const key in call.details ) {
+
+						if ( call.details[ key ] !== undefined ) {
+
+							tooltipText += `**${key}**: ${call.details[ key ]}\n`;
+
+						}
+
+					}
+
+					const infoIcon = info( block.titleSpan, tooltipText );
+					infoIcon.style.flexShrink = '0';
+					infoIcon.style.marginLeft = '6px';
+					infoIcon.style.display = 'inline-flex';
+					infoIcon.style.verticalAlign = 'middle';
+
+				}
+
+				const detailsAndCountSpan = document.createElement( 'span' );
+				let detailsAndCountHTML = ( call.formatedDetails ? call.formatedDetails : '' );
+				if ( call.count > 1 ) {
+
+					detailsAndCountHTML += ` <span style="opacity: 0.5">( ${call.count} )</span>`;
+
+				}
+
+				if ( detailsAndCountHTML ) {
+
+					detailsAndCountSpan.innerHTML = detailsAndCountHTML;
+					block.titleSpan.appendChild( detailsAndCountSpan );
+
+				}
+
 				const currentParent = elementStack[ elementStack.length - 1 ];
 
 				// Only add to DOM if parent is not collapsed
@@ -1549,22 +1604,14 @@ class Timeline extends Tab {
 					block.arrow.style.display = 'inline-block';
 					block.arrow.textContent = isCollapsed ? '[ + ]' : '[ - ]';
 
-					block.titleSpan.innerHTML = call.method + ( call.formatedDetails ? call.formatedDetails : '' ) + ( call.count > 1 ? ` <span style="opacity: 0.5">( ${call.count} )</span>` : '' );
-
 					currentIndent ++;
 					elementStack.push( { element: block, isCollapsed: currentParent.isCollapsed || isCollapsed, id: groupId, beginCount: 0 } );
 
 				} else if ( call.method.startsWith( 'finish' ) ) {
 
-					block.titleSpan.innerHTML = call.method + ( call.formatedDetails ? call.formatedDetails : '' ) + ( call.count > 1 ? ` <span style="opacity: 0.5">( ${call.count} )</span>` : '' );
-
 					currentIndent = Math.max( 0, currentIndent - 1 );
 					elementStack.pop();
 
-				} else {
-
-					block.titleSpan.innerHTML = call.method + ( call.formatedDetails ? call.formatedDetails : '' ) + ( call.count > 1 ? ` <span style="opacity: 0.5">( ${call.count} )</span>` : '' );
-
 				}
 
 			}
@@ -1594,6 +1641,13 @@ class Timeline extends Tab {
 				block.style.marginLeft = '0px';
 				block.style.borderLeft = '4px solid ' + this.getColorForMethod( call.method );
 
+				const infoIcon = block.querySelector( '.info-icon' );
+				if ( infoIcon ) {
+
+					infoIcon.remove();
+
+				}
+
 				block.titleSpan.innerHTML = call.method + ( call.count > 1 ? ` <span style="opacity: 0.5">( ${call.count} )</span>` : '' );
 
 				if ( trackChildren[ childIndex ] !== block ) {
diff --git a/examples/jsm/inspector/tabs/Viewer.js b/examples/jsm/inspector/tabs/Viewer.js
index b38b229e8ea12c..7828f85897b8cd 100644
--- a/examples/jsm/inspector/tabs/Viewer.js
+++ b/examples/jsm/inspector/tabs/Viewer.js
@@ -3,24 +3,34 @@ import { List } from '../ui/List.js';
 import { Item } from '../ui/Item.js';
 import { splitPath, splitCamelCase } from '../ui/utils.js';
 
-import { RendererUtils, NoToneMapping, LinearSRGBColorSpace, QuadMesh, NodeMaterial, CanvasTarget } from 'three/webgpu';
-import { renderOutput, vec2, vec3, vec4, Fn, screenUV, step, OnMaterialUpdate, uniform } from 'three/tsl';
+import { RendererUtils, NoToneMapping, LinearSRGBColorSpace, QuadMesh, NodeMaterial, CanvasTarget, Vector2 } from 'three/webgpu';
+import { renderOutput, vec2, vec3, vec4, Fn, screenUV, step, OnMaterialUpdate, uniform, float } from 'three/tsl';
 
-const aspectRatioUV = /*@__PURE__*/ Fn( ( [ uv, textureNode ] ) => {
+const _size = /*@__PURE__*/ new Vector2();
 
-	const aspect = uniform( 0 );
+const aspectRatioUV = /*@__PURE__*/ Fn( ( [ uv, textureNode, canvasAspect ] ) => {
+
+	const textureAspect = uniform( 0 );
 
 	OnMaterialUpdate( () => {
 
 		const { width, height } = textureNode.value;
 
-		aspect.value = width / height;
+		textureAspect.value = width / height;
 
 	} );
 
+	const ratio = canvasAspect.div( textureAspect );
+
 	const centered = uv.sub( 0.5 );
-	const corrected = vec2( centered.x.div( aspect ), centered.y );
-	const finalUV = corrected.add( 0.5 );
+
+	// If canvasAspect > textureAspect:
+	const uvWide = vec2( centered.x.mul( ratio ), centered.y ).add( 0.5 );
+
+	// If canvasAspect <= textureAspect:
+	const uvTall = vec2( centered.x, centered.y.div( ratio ) ).add( 0.5 );
+
+	const finalUV = canvasAspect.greaterThan( textureAspect ).select( uvWide, uvTall );
 
 	const inBounds = step( 0.0, finalUV.x ).mul( step( finalUV.x, 1.0 ) ).mul( step( 0.0, finalUV.y ) ).mul( step( finalUV.y, 1.0 ) );
 
@@ -34,16 +44,55 @@ class Viewer extends Tab {
 
 		super( 'Viewer', options );
 
+		this.content.style.overflow = 'hidden';
+		this.maximizedByFullscreenButton = false;
+
+		// Toolbar
+		const toolbar = document.createElement( 'div' );
+		toolbar.className = 'toolbar';
+
+		const backBtn = document.createElement( 'button' );
+		backBtn.className = 'viewer-back-btn';
+		backBtn.innerHTML = '<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><line x1="19" y1="12" x2="5" y2="12"></line><polyline points="12 19 5 12 12 5"></polyline></svg>';
+		backBtn.title = 'Back to list';
+		backBtn.style.display = 'none';
+		toolbar.appendChild( backBtn );
+
+		const label = document.createElement( 'span' );
+		label.textContent = 'View:';
+		toolbar.appendChild( label );
+
+		const select = document.createElement( 'select' );
+		select.className = 'select';
+		select.style.width = '200px';
+
+		const defaultOption = document.createElement( 'option' );
+		defaultOption.value = 'list';
+		defaultOption.textContent = 'List';
+		select.appendChild( defaultOption );
+
+		toolbar.appendChild( select );
+		this.content.appendChild( toolbar );
+
 		const nodeList = new List( 'Viewer', 'Name' );
 		nodeList.setGridStyle( '150px minmax(200px, 2fr)' );
 		nodeList.domElement.style.minWidth = '400px';
 
 		const scrollWrapper = document.createElement( 'div' );
 		scrollWrapper.className = 'list-scroll-wrapper';
+		scrollWrapper.style.flexGrow = '1';
+		scrollWrapper.style.overflowY = 'auto';
+		scrollWrapper.style.minHeight = '0';
 		scrollWrapper.appendChild( nodeList.domElement );
 		this.content.appendChild( scrollWrapper );
 
-		const nodes = new Item( 'Nodes' );
+		// Container for full screen view
+		const fullViewerContainer = document.createElement( 'div' );
+		fullViewerContainer.className = 'full-viewer-container';
+		fullViewerContainer.style.touchAction = 'none';
+		this.content.appendChild( fullViewerContainer );
+
+		const nodes = new Item( 'User Defined' );
 		nodeList.add( nodes );
 
 		//
@@ -54,6 +103,87 @@ class Viewer extends Tab {
 		this.currentDataList = [];
 		this.nodeList = nodeList;
 		this.nodes = nodes;
+		this.scrollWrapper = scrollWrapper;
+		this.fullViewerContainer = fullViewerContainer;
+		this.select = select;
+		this.backBtn = backBtn;
+		this.activeFullNodeId = null;
+
+		backBtn.addEventListener( 'click', () => {
+
+			select.value = 'list';
+			this.showListView();
+
+			if ( this.maximizedByFullscreenButton ) {
+
+				if ( this.profiler && this.profiler.panel.classList.contains( 'maximized' ) ) {
+
+					this.profiler.toggleMaximize();
+
+				}
+
+				this.maximizedByFullscreenButton = false;
+
+			}
+
+		} );
+
+		select.addEventListener( 'change', () => {
+
+			const val = select.value;
+
+			if ( val === 'list' ) {
+
+				this.showListView();
+
+			} else {
+
+				this.showNodeView( val );
+
+			}
+
+		} );
+
+		// Event forwarding setup for OrbitControls
+		this.isDraggingThumbnail = false;
+		this.activeSourceCanvas = null;
+		this.activePointerIds = new Set();
+
+		const handleGlobalPointer = ( e ) => {
+
+			if ( ! this.isDraggingThumbnail || ! this.activeSourceCanvas ) return;
+
+			const renderer = this.inspector.getRenderer();
+
+			if ( ! renderer || ! renderer.domElement ) return;
+
+			if ( e.isForwarded ) return;
+
+			// Block native event from reaching other document-level listeners (OrbitControls)
+			e.stopImmediatePropagation();
+			e.preventDefault();
+
+			// Project and dispatch forwarded event
+			this.forwardEvent( e, this.activeSourceCanvas, renderer.domElement );
+
+			if ( e.type === 'pointerup' || e.type === 'pointercancel' ) {
+
+				this.activePointerIds.delete( e.pointerId );
+
+				if ( this.activePointerIds.size === 0 ) {
+
+					this.isDraggingThumbnail = false;
+					this.activeSourceCanvas = null;
+
+				}
+
+			}
+
+		};
+
+		window.addEventListener( 'pointermove', handleGlobalPointer, true );
+		window.addEventListener( 'pointerup', handleGlobalPointer, true );
+		window.addEventListener( 'pointercancel', handleGlobalPointer, true );
 
 	}
 
@@ -74,6 +204,16 @@ class Viewer extends Tab {
 
 	}
 
+	hide() {
+
+		super.hide();
+		this.maximizedByFullscreenButton = false;
+		this.isDraggingThumbnail = false;
+		this.activeSourceCanvas = null;
+		this.activePointerIds.clear();
+
+	}
+
 	addNodeItem( canvasData ) {
 
 		let item = this.itemLibrary.get( canvasData.id );
@@ -83,7 +223,72 @@ class Viewer extends Tab {
 			const name = canvasData.name;
 			const domElement = canvasData.canvasTarget.domElement;
 
-			item = new Item( domElement, name );
+			// Create wrapper
+			const wrapper = document.createElement( 'div' );
+			wrapper.className = 'node-canvas-wrapper';
+			wrapper.style.position = 'relative';
+			wrapper.style.display = 'inline-block';
+			wrapper.style.width = '140px';
+			wrapper.style.height = '140px';
+			wrapper.style.touchAction = 'none';
+
+			// View full screen button
+			const viewBtn = document.createElement( 'button' );
+			viewBtn.className = 'node-canvas-detach-btn';
+			viewBtn.title = 'View full size';
+			viewBtn.innerHTML = '<svg xmlns="http://www.w3.org/2000/svg" width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><line x1="7" y1="17" x2="17" y2="7"></line><polyline points="7 7 17 7 17 17"></polyline></svg>';
+
+			viewBtn.onclick = ( e ) => {
+
+				e.stopPropagation();
+				this.select.value = canvasData.id;
+				this.showNodeView( canvasData.id );
+
+			};
+
+			// Fullscreen and maximize button
+			const fullscreenBtn = document.createElement( 'button' );
+			fullscreenBtn.className = 'node-canvas-fullscreen-btn';
+			fullscreenBtn.title = 'Fullscreen view';
+			fullscreenBtn.innerHTML = '<svg xmlns="http://www.w3.org/2000/svg" width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M8 3H5a2 2 0 0 0-2 2v3m18 0V5a2 2 0 0 0-2-2h-3m0 18h3a2 2 0 0 0 2-2v-3M3 16v3a2 2 0 0 0 2 2h3"/></svg>';
+
+			fullscreenBtn.onclick = ( e ) => {
+
+				e.stopPropagation();
+				this.select.value = canvasData.id;
+				this.showNodeView( canvasData.id );
+
+				if ( this.profiler && ! this.profiler.panel.classList.contains( 'maximized' ) ) {
+
+					this.profiler.toggleMaximize();
+					this.maximizedByFullscreenButton = true;
+
+					if ( ! this._maximizeListenerAdded && this.profiler.maximizeBtn ) {
+
+						this.profiler.maximizeBtn.addEventListener( 'click', () => {
+
+							this.maximizedByFullscreenButton = false;
+
+						} );
+						this._maximizeListenerAdded = true;
+
+					}
+
+				}
+
+			};
+
+			wrapper.appendChild( domElement );
+			wrapper.appendChild( viewBtn );
+			wrapper.appendChild( fullscreenBtn );
+
+			this.setupEventForwarding( domElement );
+
+			// Store elements in canvasData for access
+			canvasData.domElement = domElement;
+			canvasData.wrapperElement = wrapper;
+
+			item = new Item( wrapper, name );
 			item.itemRow.children[ 1 ].style[ 'justify-content' ] = 'flex-start';
 			this.itemLibrary.set( canvasData.id, item );
 
@@ -93,6 +298,209 @@ class Viewer extends Tab {
 
 	}
 
+	setupEventForwarding( sourceCanvas ) {
+
+		sourceCanvas.style.touchAction = 'none';
+
+		const onPointerDown = ( e ) => {
+
+			const renderer = this.inspector.getRenderer();
+
+			if ( ! renderer || ! renderer.domElement ) return;
+
+			const targetCanvas = renderer.domElement;
+
+			this.isDraggingThumbnail = true;
+			this.activeSourceCanvas = sourceCanvas;
+			this.activePointerIds.add( e.pointerId );
+
+			// Project and dispatch pointerdown
+			this.forwardEvent( e, sourceCanvas, targetCanvas );
+
+		};
+
+		sourceCanvas.addEventListener( 'pointerdown', onPointerDown );
+
+		// Wheel event support for zooming
+		const onWheel = ( e ) => {
+
+			const renderer = this.inspector.getRenderer();
+
+			if ( ! renderer || ! renderer.domElement ) return;
+
+			e.preventDefault();
+			e.stopPropagation();
+
+			this.forwardEvent( e, sourceCanvas, renderer.domElement );
+
+		};
+
+		sourceCanvas.addEventListener( 'wheel', onWheel, { passive: false } );
+
+		// Click, dblclick, contextmenu
+		const onMouseShortcut = ( e ) => {
+
+			const renderer = this.inspector.getRenderer();
+
+			if ( ! renderer || ! renderer.domElement ) return;
+
+			e.stopPropagation();
+
+			if ( e.type === 'contextmenu' ) {
+
+				e.preventDefault();
+
+			}
+
+			this.forwardEvent( e, sourceCanvas, renderer.domElement );
+
+		};
+
+		sourceCanvas.addEventListener( 'click', onMouseShortcut );
+		sourceCanvas.addEventListener( 'dblclick', onMouseShortcut );
+		sourceCanvas.addEventListener( 'contextmenu', onMouseShortcut );
+
+	}
+
+	forwardEvent( event, sourceCanvas, targetCanvas ) {
+
+		const sourceRect = sourceCanvas.getBoundingClientRect();
+		const targetRect = targetCanvas.getBoundingClientRect();
+
+		const localX = ( event.clientX - sourceRect.left ) / sourceRect.width;
+		const localY = ( event.clientY - sourceRect.top ) / sourceRect.height;
+
+		const targetClientX = targetRect.left + localX * targetRect.width;
+		const targetClientY = targetRect.top + localY * targetRect.height;
+		const targetPageX = targetClientX + window.scrollX;
+		const targetPageY = targetClientY + window.scrollY;
+
+		let newEvent;
+
+		const eventInit = {
+			bubbles: true,
+			cancelable: true,
+			view: window,
+			clientX: targetClientX,
+			clientY: targetClientY,
+			screenX: targetClientX + window.screenX,
+			screenY: targetClientY + window.screenY,
+			pageX: targetPageX,
+			pageY: targetPageY,
+			ctrlKey: event.ctrlKey,
+			shiftKey: event.shiftKey,
+			altKey: event.altKey,
+			metaKey: event.metaKey,
+			buttons: event.buttons,
+			button: event.button
+		};
+
+		if ( event instanceof WheelEvent ) {
+
+			newEvent = new WheelEvent( event.type, {
+				...eventInit,
+				deltaX: event.deltaX,
+				deltaY: event.deltaY,
+				deltaZ: event.deltaZ,
+				deltaMode: event.deltaMode
+			} );
+
+		} else if ( window.PointerEvent && event instanceof PointerEvent ) {
+
+			newEvent = new PointerEvent( event.type, {
+				...eventInit,
+				pointerId: event.pointerId,
+				width: event.width,
+				height: event.height,
+				pressure: event.pressure,
+				tiltX: event.tiltX,
+				tiltY: event.tiltY,
+				pointerType: event.pointerType,
+				isPrimary: event.isPrimary
+			} );
+
+		} else {
+
+			newEvent = new MouseEvent( event.type, eventInit );
+
+		}
+
+		newEvent.isForwarded = true;
+		targetCanvas.dispatchEvent( newEvent );
+
+	}
+
+	showListView() {
+
+		if ( this.activeFullNodeId ) {
+
+			const canvasData = Array.from( this.canvasNodes.values() ).find( data => String( data.id ) === String( this.activeFullNodeId ) );
+
+			if ( canvasData ) {
+
+				// Move canvas back to wrapper
+				canvasData.wrapperElement.appendChild( canvasData.domElement );
+
+				// Reset size
+				canvasData.domElement.style.width = '';
+				canvasData.domElement.style.height = '';
+				canvasData.canvasTarget.setSize( 140, 140 );
+
+				const renderer = this.inspector.getRenderer();
+
+				renderer.backend.delete( canvasData.canvasTarget );
+
+			}
+
+			this.activeFullNodeId = null;
+
+		}
+
+		this.scrollWrapper.style.display = '';
+		this.fullViewerContainer.style.display = 'none';
+		this.backBtn.style.display = 'none';
+
+	}
+
+	showNodeView( nodeId ) {
+
+		// First restore previous full screen node if any
+		if ( this.activeFullNodeId && String( this.activeFullNodeId ) !== String( nodeId ) ) {
+
+			this.showListView();
+
+		}
+
+		const canvasData = Array.from( this.canvasNodes.values() ).find( data => String( data.id ) === String( nodeId ) );
+
+		if ( canvasData ) {
+
+			this.activeFullNodeId = nodeId;
+			this.backBtn.style.display = 'flex';
+
+			// Hide list, show full screen container
+			this.scrollWrapper.style.display = 'none';
+			this.fullViewerContainer.style.display = 'flex';
+
+			// Move canvas to the full viewer container
+			this.fullViewerContainer.appendChild( canvasData.domElement );
+			canvasData.domElement.style.width = '100%';
+			canvasData.domElement.style.height = '100%';
+
+			// Resize canvas to fit full viewer container
+			const rect = this.fullViewerContainer.getBoundingClientRect();
+			const contentWidth = rect.width || this.content.clientWidth;
+			const contentHeight = rect.height || ( this.content.clientHeight - 38 ); // minus toolbar
+			canvasData.canvasTarget.setSize( contentWidth, contentHeight );
+
+			const renderer = this.inspector.getRenderer();
+
+			renderer.backend.delete( canvasData.canvasTarget );
+
+		}
+
+	}
+
 	getCanvasDataByNode( renderer, node ) {
 
 		let canvasData = this.canvasNodes.get( node );
@@ -109,17 +517,20 @@ class Viewer extends Tab {
 
 			const { path, name } = splitPath( splitCamelCase( node.getName() || '(unnamed)' ) );
 
+			const canvasAspect = uniform( 1 );
+			const mask = float( 1 );
+
 			const target = node.context( { getUV: ( textureNode ) => {
 
-				const uvData = aspectRatioUV( screenUV, textureNode );
+				const uvData = aspectRatioUV( screenUV, textureNode, canvasAspect );
 				const correctedUV = uvData.xy;
-				const mask = uvData.z;
+				mask.assign( uvData.z );
 
-				return correctedUV.mul( mask );
+				return correctedUV;
 
 			} } );
 
-			let output = vec4( vec3( target ), 1 );
+			let output = vec4( vec3( target ), 1 ).mul( mask );
 			output = renderOutput( output, NoToneMapping, renderer.outputColorSpace );
 			output = output.context( { inspector: true } );
 
@@ -136,7 +547,8 @@ class Viewer extends Tab {
 				node,
 				quad,
 				canvasTarget,
-				material
+				material,
+				canvasAspect
 			};
 
 			this.canvasNodes.set( node, canvasData );
@@ -174,6 +586,92 @@ class Viewer extends Tab {
 
 		const canvasDataList = nodes.map( node => this.getCanvasDataByNode( renderer, node ) );
 
+		// Check if the list of nodes has changed
+		let nodesChanged = canvasDataList.length !== this.currentDataList.length;
+
+		if ( ! nodesChanged ) {
+
+			for ( let i = 0; i < canvasDataList.length; i ++ ) {
+
+				if ( canvasDataList[ i ].id !== this.currentDataList[ i ].id ) {
+
+					nodesChanged = true;
+					break;
+
+				}
+
+			}
+
+		}
+
+		if ( nodesChanged ) {
+
+			const currentSelectedValue = this.select.value;
+
+			// Clear options except the first one ('list')
+			while ( this.select.options.length > 1 ) {
+
+				this.select.remove( 1 );
+
+			}
+
+			// Add options for each node in canvasDataList
+			for ( const canvasData of canvasDataList ) {
+
+				const option = document.createElement( 'option' );
+				option.value = canvasData.id;
+				option.textContent = canvasData.path ? `${ canvasData.path } / ${ canvasData.name }` : canvasData.name;
+				this.select.appendChild( option );
+
+			}
+
+			// Restore selection if still valid
+			let hasSelectedValue = false;
+
+			for ( let i = 0; i < this.select.options.length; i ++ ) {
+
+				if ( this.select.options[ i ].value === currentSelectedValue ) {
+
+					this.select.selectedIndex = i;
+					hasSelectedValue = true;
+					break;
+
+				}
+
+			}
+
+			if ( ! hasSelectedValue ) {
+
+				this.select.value = 'list';
+				this.showListView();
+
+			}
+
+		}
+
+		// Real-time resize of active full-screen node canvas target
+		if ( this.activeFullNodeId ) {
+
+			const canvasData = canvasDataList.find( data => String( data.id ) === String( this.activeFullNodeId ) );
+
+			if ( canvasData ) {
+
+				const rect = this.fullViewerContainer.getBoundingClientRect();
+				const contentWidth = rect.width || this.content.clientWidth;
+				const contentHeight = rect.height || ( this.content.clientHeight - 38 );
+
+				if ( canvasData.canvasTarget.domElement.width !== contentWidth || canvasData.canvasTarget.domElement.height !== contentHeight ) {
+
+					canvasData.canvasTarget.setSize( contentWidth, contentHeight );
+
+					renderer.backend.delete( canvasData.canvasTarget );
+
+				}
+
+			}
+
+		}
+
 		//
 
 		const previousDataList = [ ...this.currentDataList ];
@@ -242,9 +740,31 @@ class Viewer extends Tab {
 
 			}
 
-			this.currentDataList = canvasDataList;
+			const rttNodes = [];
+
+			const mainSize = previousCanvasTarget.getDrawingBufferSize( _size );
+
+			canvasData.node.traverse( ( child ) => {
+
+				if ( child.isRTTNode && child.autoResize === true ) {
+
+					const oldWidth = child.width;
+					const oldHeight = child.height;
+
+					child.width = mainSize.width;
+					child.height = mainSize.height;
+
+					child.setSize( mainSize.width, mainSize.height );
+
+					rttNodes.push( {
+						node: child,
+						oldWidth,
+						oldHeight
+					} );
+
+				}
 
-			//
+			} );
 
 			const state = RendererUtils.resetRendererState( renderer );
 
@@ -253,14 +773,35 @@ class Viewer extends Tab {
 
 			renderer.setCanvasTarget( canvasData.canvasTarget );
 
+			if ( canvasData.canvasAspect ) {
+
+				canvasData.canvasAspect.value = canvasData.canvasTarget.domElement.width / canvasData.canvasTarget.domElement.height;
+
+			}
+
 			canvasData.quad.render( renderer );
 
 			renderer.setCanvasTarget( previousCanvasTarget );
 
 			RendererUtils.restoreRendererState( renderer, state );
 
+			for ( const rtt of rttNodes ) {
+
+				rtt.node.width = rtt.oldWidth;
+				rtt.node.height = rtt.oldHeight;
+
+			}
+
 		}
 
+		this.currentDataList = canvasDataList;
+
+	}
+
+	setActive( isActive ) {
+
+		super.setActive( isActive );
+
 	}
 
 }
diff --git a/examples/jsm/inspector/ui/Profiler.js b/examples/jsm/inspector/ui/Profiler.js
index 489cf11e9fd418..ace9ac53d5e126 100644
--- a/examples/jsm/inspector/ui/Profiler.js
+++ b/examples/jsm/inspector/ui/Profiler.js
@@ -442,6 +442,7 @@ export class Profiler extends EventDispatcher {
 		if ( this.panel.classList.contains( 'maximized' ) ) {
 
 			this.panel.classList.remove( 'maximized' );
+			this.domElement.classList.remove( 'maximized' );
 
 			// Restore size based on current position
 			if ( this.position === 'bottom' ) {
@@ -472,6 +473,7 @@ export class Profiler extends EventDispatcher {
 			}
 
 			this.panel.classList.add( 'maximized' );
+			this.domElement.classList.add( 'maximized' );
 
 			// Maximize based on current position
 			if ( this.position === 'bottom' ) {
@@ -764,6 +766,7 @@ export class Profiler extends EventDispatcher {
 			if ( this.panel.classList.contains( 'maximized' ) ) {
 
 				this.panel.classList.remove( 'maximized' );
+				this.domElement.classList.remove( 'maximized' );
 				this.maximizeBtn.innerHTML = '<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M8 3H5a2 2 0 0 0-2 2v3m18 0V5a2 2 0 0 0-2-2h-3m0 18h3a2 2 0 0 0 2-2v-3M3 16v3a2 2 0 0 0 2 2h3"/></svg>';
 
 			}
@@ -1576,8 +1579,8 @@ export class Profiler extends EventDispatcher {
 
 			}
 
-			// Count only non-detached tabs that come before this one
-			if ( ! t.isDetached ) {
+			// Count only non-detached, non-builtin tabs that come before this one
+			if ( ! t.isDetached && ! t.builtin ) {
 
 				insertIndex ++;
 
diff --git a/examples/jsm/inspector/ui/Style.js b/examples/jsm/inspector/ui/Style.js
index 0005de0a68557f..48184770d4f5e8 100644
--- a/examples/jsm/inspector/ui/Style.js
+++ b/examples/jsm/inspector/ui/Style.js
@@ -259,6 +259,22 @@ export class Style {
 		transform: translateY(0) scale(1);
 	}
 
+	/* Position toggle and mini-panel at the bottom when maximized */
+	:scope:has(.profiler-panel.maximized) .profiler-toggle,
+	:scope.maximized .profiler-toggle {
+		top: auto !important;
+		bottom: 15px !important;
+		z-index: 10005 !important;
+	}
+
+	:scope:has(.profiler-panel.maximized) .profiler-mini-panel,
+	:scope.maximized .profiler-mini-panel {
+		top: auto !important;
+		bottom: 60px !important;
+		max-height: calc(100vh - 120px) !important;
+		z-index: 10006 !important;
+	}
+
 	.profiler-mini-panel::-webkit-scrollbar {
 		width: 6px;
 	}
@@ -705,6 +721,11 @@ export class Style {
 		width: calc(100% - 90px);
 	}
 
+	/* Adjust header width when maximized (floating position toggle button is hidden) */
+	.profiler-panel.maximized .profiler-header {
+		width: calc(100% - 90px);
+	}
+
 	/* ===== RULES FOR WHEN THERE ARE NO TABS ===== */
 
 	/* Horizontal mode (bottom/top) without tabs */
@@ -952,6 +973,11 @@ export class Style {
 		display: none !important;
 	}
 
+	/* Hide floating button when maximized */
+	.profiler-panel.maximized .floating-btn {
+		display: none !important;
+	}
+
 	.profiler-content-wrapper {
 		flex-grow: 1;
 		overflow: hidden;
@@ -1194,16 +1220,6 @@ export class Style {
 		fill-opacity: 0.4;
 	}
 
-	.console-header {
-		padding: 10px;
-		border-bottom: 1px solid var(--profiler-border);
-		display: flex;
-		gap: 20px;
-		flex-shrink: 0;
-		align-items: center;
-		justify-content: space-between;
-	}
-
 	.console-buttons-group {
 		display: flex;
 		gap: 20px;
@@ -1494,6 +1510,14 @@ export class Style {
 		margin-bottom: 2px;
 	}
 
+	.mini-panel-content .list-container.parameters .list-children-container > .list-item-wrapper:first-child:has(> .list-item-row:not(.collapsible)) {
+		margin-top: 2px;
+	}
+
+	.mini-panel-content .list-container.parameters .list-children-container > .list-item-wrapper:last-child:has(> .list-item-row:not(.collapsible)) {
+		margin-bottom: 4px;
+	}
+
 	@media screen and (max-width: 450px) and (orientation: portrait) {
 
 		.console-filter-input {
@@ -1779,6 +1803,139 @@ export class Style {
 		background-color: rgba(255, 255, 255, 0.05);
 	}
 
+	.node-canvas-wrapper {
+		touch-action: none;
+	}
+
+	.node-canvas-wrapper .node-canvas-detach-btn {
+		position: absolute;
+		top: 5px;
+		right: 5px;
+		background: rgba(30, 30, 36, 0.85);
+		border: 1px solid var(--profiler-border);
+		color: var(--text-primary);
+		border-radius: 4px;
+		padding: 4px;
+		cursor: pointer;
+		opacity: 1;
+		transition: background-color 0.2s, border-color 0.2s, color 0.2s;
+		display: flex;
+		align-items: center;
+		justify-content: center;
+		z-index: 10;
+	}
+
+	.node-canvas-wrapper .node-canvas-detach-btn:hover {
+		background-color: var(--color-accent);
+		border-color: var(--color-accent);
+		color: white;
+	}
+
+	.node-canvas-wrapper .node-canvas-fullscreen-btn {
+		position: absolute;
+		bottom: 5px;
+		right: 5px;
+		background: rgba(30, 30, 36, 0.85);
+		border: 1px solid var(--profiler-border);
+		color: var(--text-primary);
+		border-radius: 4px;
+		padding: 4px;
+		cursor: pointer;
+		opacity: 1;
+		transition: background-color 0.2s, border-color 0.2s, color 0.2s;
+		display: flex;
+		align-items: center;
+		justify-content: center;
+		z-index: 10;
+	}
+
+	.node-canvas-wrapper .node-canvas-fullscreen-btn:hover {
+		background-color: var(--color-accent);
+		border-color: var(--color-accent);
+		color: white;
+	}
+
+	.profiler-panel.maximized .node-canvas-fullscreen-btn {
+		display: none;
+	}
+
+	.toolbar {
+		display: flex;
+		align-items: center;
+		justify-content: space-between;
+		padding: 6px 8px;
+		border-bottom: 1px solid var(--profiler-border);
+		background: var(--profiler-header-background);
+		flex-shrink: 0;
+		box-sizing: border-box;
+		gap: 16px;
+	}
+
+	.toolbar span {
+		margin-right: 8px;
+		color: var(--text-secondary);
+		font-size: 12px;
+		font-weight: 600;
+	}
+
+	.viewer-content .toolbar {
+		justify-content: flex-end;
+	}
+
+	.viewer-back-btn {
+		background: transparent;
+		border: none;
+		color: var(--text-secondary);
+		cursor: pointer;
+		font-size: 16px;
+		line-height: 1;
+		padding: 4px 8px;
+		border-radius: 4px;
+		margin-right: auto;
+		transition: color 0.2s, background-color 0.2s;
+		display: flex;
+		align-items: center;
+		justify-content: center;
+	}
+
+	.viewer-back-btn:hover {
+		color: var(--text-primary);
+		background-color: rgba(255, 255, 255, 0.05);
+	}
+
+	.select {
+		background: var(--profiler-background);
+		border: 1px solid var(--profiler-border);
+		color: var(--text-primary);
+		border-radius: 4px;
+		padding: 4px 16px 2px 6px;
+		font-family: var(--font-mono);
+		font-size: 12px;
+		outline: none;
+		cursor: pointer;
+		appearance: none;
+		-webkit-appearance: none;
+		-moz-appearance: none;
+		background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e0e0e0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
+		background-repeat: no-repeat;
+		background-position: right 5px center;
+		background-size: 10px;
+	}
+
+	.select:focus {
+		border-color: var(--color-accent);
+	}
+
+	.full-viewer-container {
+		display: none;
+		flex-grow: 1;
+		width: 100%;
+		height: 100%;
+		overflow: hidden;
+		position: relative;
+		touch-action: none;
+	}
+
 }
 `;
 
diff --git a/examples/jsm/inspector/ui/Tab.js b/examples/jsm/inspector/ui/Tab.js
index 4ed87d297abec0..27edd59bf3fbd7 100644
--- a/examples/jsm/inspector/ui/Tab.js
+++ b/examples/jsm/inspector/ui/Tab.js
@@ -37,8 +37,8 @@ export class Tab extends EventDispatcher {
 		this.button.textContent = title;
 
 		this.content = document.createElement( 'div' );
-		this.content.classList.add( `${this.id}-content` );
 		this.content.className = 'profiler-content';
+		this.content.classList.add( `${this.id}-content` );
 
 		this._isActive = false;
 		this.isVisible = true;
diff --git a/examples/jsm/inspector/ui/utils.js b/examples/jsm/inspector/ui/utils.js
index 53c3c450604df4..7a21139e74351c 100644
--- a/examples/jsm/inspector/ui/utils.js
+++ b/examples/jsm/inspector/ui/utils.js
@@ -61,3 +61,88 @@ export function formatBytes( bytes, decimals = 2 ) {
 	return parseFloat( ( bytes / Math.pow( k, i ) ).toFixed( dm ) ) + ' ' + sizes[ i ];
 
 }
+
+export function info( parentNode, text ) {
+
+	let infoIcon = parentNode.querySelector( '.info-icon' );
+
+	if ( ! infoIcon ) {
+
+		infoIcon = document.createElement( 'span' );
+		infoIcon.className = 'info-icon';
+		infoIcon.textContent = 'i';
+		parentNode.appendChild( infoIcon );
+
+	} else {
+
+		const newInfoIcon = infoIcon.cloneNode( true );
+		infoIcon.replaceWith( newInfoIcon );
+		infoIcon = newInfoIcon;
+
+	}
+
+	const showTooltip = () => {
+
+		const container = infoIcon.closest( '.three-inspector' ) || document.body;
+		let tooltip = container.querySelector( '.three-inspector-info-tooltip' );
+
+		if ( ! tooltip ) {
+
+			tooltip = document.createElement( 'div' );
+			tooltip.className = 'info-tooltip three-inspector-info-tooltip';
+			container.appendChild( tooltip );
+
+		}
+
+		const html = text.trim().replace( /### (.*?)(?:\r?\n|$)/g, '<h3>$1</h3>' )
+					   .replace( /\*\*(.*?)\*\*/g, '<strong>$1</strong>' )
+					   .replace( /\n/g, '<br/>' );
+
+		tooltip.innerHTML = html;
+
+		const rect = infoIcon.getBoundingClientRect();
+
+		tooltip.style.left = ( rect.left + rect.width / 2 ) + 'px';
+		tooltip.style.top = ( rect.top - 8 ) + 'px';
+
+		tooltip.style.opacity = '1';
+		tooltip.style.visibility = 'visible';
+
+	};
+
+	const hideTooltip = () => {
+
+		const container = infoIcon.closest( '.three-inspector' ) || document.body;
+		const tooltip = container.querySelector( '.three-inspector-info-tooltip' );
+		if ( tooltip ) {
+
+			tooltip.style.opacity = '0';
+			tooltip.style.visibility = 'hidden';
+
+		}
+
+	};
+
+	infoIcon.addEventListener( 'mouseenter', showTooltip );
+	infoIcon.addEventListener( 'mouseleave', hideTooltip );
+	infoIcon.addEventListener( 'click', ( e ) => {
+
+		e.stopPropagation();
+		const container = infoIcon.closest( '.three-inspector' ) || document.body;
+		const tooltip = container.querySelector( '.three-inspector-info-tooltip' );
+		if ( tooltip && tooltip.style.visibility === 'visible' ) {
+
+			hideTooltip();
+
+		} else {
+
+			showTooltip();
+
+		}
+
+	} );
+
+	return infoIcon;
+
+}
+
diff --git a/examples/webgpu_postprocessing_bloom.html b/examples/webgpu_postprocessing_bloom.html
index 33eb33b61fa80e..29206732f203bc 100644
--- a/examples/webgpu_postprocessing_bloom.html
+++ b/examples/webgpu_postprocessing_bloom.html
@@ -133,7 +133,7 @@
 
 				} );
 
-				gui.add( params, 'radius', 0.0, 1.0, 0.01 ).onChange( function ( value ) {
+				bloomFolder.add( params, 'radius', 0.0, 1.0, 0.01 ).onChange( function ( value ) {
 
 					bloomPass.radius.value = value;
 
diff --git a/src/math/Matrix3.js b/src/math/Matrix3.js
index 8fd40cb24ab09c..1ce4def6d838f1 100644
--- a/src/math/Matrix3.js
+++ b/src/math/Matrix3.js
@@ -1,3 +1,5 @@
+import { warnOnce } from '../utils.js';
+
 /**
  * Represents a 3x3 matrix.
  *
@@ -407,12 +409,15 @@ class Matrix3 {
 	/**
 	 * Scales this matrix with the given scalar values.
 	 *
+	 * @deprecated
 	 * @param {number} sx - The amount to scale in the X axis.
 	 * @param {number} sy - The amount to scale in the Y axis.
 	 * @return {Matrix3} A reference to this matrix.
 	 */
 	scale( sx, sy ) {
 
+		warnOnce( 'Matrix3: .scale() is deprecated. Use .makeScale() instead.' ); // @deprecated r185
+
 		this.premultiply( _m3.makeScale( sx, sy ) );
 
 		return this;
@@ -422,11 +427,14 @@ class Matrix3 {
 	/**
 	 * Rotates this matrix by the given angle.
 	 *
+	 * @deprecated
 	 * @param {number} theta - The rotation in radians.
 	 * @return {Matrix3} A reference to this matrix.
 	 */
 	rotate( theta ) {
 
+		warnOnce( 'Matrix3: .rotate() is deprecated. Use .makeRotation() instead.' ); // @deprecated r185
+
 		this.premultiply( _m3.makeRotation( - theta ) );
 
 		return this;
@@ -436,12 +444,15 @@ class Matrix3 {
 	/**
 	 * Translates this matrix by the given scalar values.
 	 *
+	 * @deprecated
 	 * @param {number} tx - The amount to translate in the X axis.
 	 * @param {number} ty - The amount to translate in the Y axis.
 	 * @return {Matrix3} A reference to this matrix.
 	 */
 	translate( tx, ty ) {
 
+		warnOnce( 'Matrix3: .translate() is deprecated. Use .makeTranslation() instead.' ); // @deprecated r185
+
 		this.premultiply( _m3.makeTranslation( tx, ty ) );
 
 		return this;
diff --git a/src/nodes/lighting/ShadowNode.js b/src/nodes/lighting/ShadowNode.js
index 8d4c76045911a8..211bce7a63ffe2 100644
--- a/src/nodes/lighting/ShadowNode.js
+++ b/src/nodes/lighting/ShadowNode.js
@@ -1,14 +1,15 @@
+import NodeMaterial from '../../materials/nodes/NodeMaterial.js';
+import QuadMesh from '../../renderers/common/QuadMesh.js';
+import ChainMap from '../../renderers/common/ChainMap.js';
 import ShadowBaseNode, { shadowPositionWorld } from './ShadowBaseNode.js';
-import { float, vec2, vec3, vec4, int, Fn } from '../tsl/TSLBase.js';
+import { float, vec2, vec3, vec4, int, Fn } from '../tsl/TSLCore.js';
 import { reference } from '../accessors/ReferenceNode.js';
-import { texture, textureLoad } from '../accessors/TextureNode.js';
+import { texture } from '../accessors/TextureNode.js';
 import { cubeTexture } from '../accessors/CubeTextureNode.js';
 import { normalWorld } from '../accessors/Normal.js';
 import { mix, sqrt } from '../math/MathNode.js';
 import { add } from '../math/OperatorNode.js';
 import { DepthTexture } from '../../textures/DepthTexture.js';
-import NodeMaterial from '../../materials/nodes/NodeMaterial.js';
-import QuadMesh from '../../renderers/common/QuadMesh.js';
 import { Loop } from '../utils/LoopNode.js';
 import { screenCoordinate } from '../display/ScreenNode.js';
 import { Compatibility, GreaterEqualCompare, HalfFloatType, LessEqualCompare, LinearFilter, NearestFilter, PCFShadowMap, PCFSoftShadowMap, RGFormat, VSMShadowMap } from '../../constants.js';
@@ -18,9 +19,6 @@ import { lightShadowMatrix } from '../accessors/Lights.js';
 import { resetRendererAndSceneState, restoreRendererAndSceneState } from '../../renderers/common/RendererUtils.js';
 import { getDataFromObject } from '../core/NodeUtils.js';
 import { getShadowMaterial, disposeShadowMaterial, BasicShadowFilter, PCFShadowFilter, PCFSoftShadowFilter, VSMShadowFilter } from './ShadowFilterNode.js';
-import ChainMap from '../../renderers/common/ChainMap.js';
-import { textureSize } from '../accessors/TextureSizeNode.js';
-import { uv } from '../accessors/UV.js';
 import { positionLocal } from '../accessors/Position.js';
 import { uniform } from '../core/UniformNode.js';
 import { equirectDirection } from '../utils/EquirectUV.js';
@@ -619,7 +617,7 @@ class ShadowNode extends ShadowBaseNode {
 
 			} else {
 
-				depthNode = textureLoad( this.shadowMap.depthTexture, uv().mul( textureSize( texture( this.shadowMap.depthTexture ) ) ) ).r;
+				depthNode = texture( this.shadowMap.depthTexture ).r;
 
 			}
 
diff --git a/test/unit/src/math/Matrix3.tests.js b/test/unit/src/math/Matrix3.tests.js
index b03105493a5d2c..d8bc542521da98 100644
--- a/test/unit/src/math/Matrix3.tests.js
+++ b/test/unit/src/math/Matrix3.tests.js
@@ -366,7 +366,6 @@ export default QUnit.module( 'Maths', () => {
 				- 0.17677669529663687, 0.1767766952966369, 0.5,
 				0, 0, 1
 			);
-			const b = new Matrix3();
 			const params = {
 				centerX: 0.5,
 				centerY: 0.5,
@@ -389,53 +388,7 @@ export default QUnit.module( 'Maths', () => {
 				params.centerX, params.centerY
 			);
 
-			b.identity()
-			 .translate( - params.centerX, - params.centerY )
-			 .rotate( params.rotation )
-			 .scale( params.repeatX, params.repeatY )
-			 .translate( params.centerX, params.centerY )
-			 .translate( params.offsetX, params.offsetY );
-
 			assert.ok( matrixEquals3( a, expected ), 'Check direct method' );
-			assert.ok( matrixEquals3( b, expected ), 'Check indirect method' );
-
-		} );
-
-		QUnit.test( 'scale', ( assert ) => {
-
-			const a = new Matrix3().set( 1, 2, 3, 4, 5, 6, 7, 8, 9 );
-			const expected = new Matrix3().set(
-				0.25, 0.5, 0.75,
-				1, 1.25, 1.5,
-				7, 8, 9
-			);
-
-			a.scale( 0.25, 0.25 );
-			assert.ok( matrixEquals3( a, expected ), 'Check scaling result' );
-
-		} );
-
-		QUnit.test( 'rotate', ( assert ) => {
-
-			const a = new Matrix3().set( 1, 2, 3, 4, 5, 6, 7, 8, 9 );
-			const expected = new Matrix3().set(
-				3.5355339059327373, 4.949747468305833, 6.363961030678928,
-				2.121320343559643, 2.121320343559643, 2.1213203435596433,
-				7, 8, 9
-			);
-
-			a.rotate( Math.PI / 4 );
-			assert.ok( matrixEquals3( a, expected ), 'Check rotated result' );
-
-		} );
-
-		QUnit.test( 'translate', ( assert ) => {
-
-			const a = new Matrix3().set( 1, 2, 3, 4, 5, 6, 7, 8, 9 );
-			const expected = new Matrix3().set( 22, 26, 30, 53, 61, 69, 7, 8, 9 );
-
-			a.translate( 3, 7 );
-			assert.ok( matrixEquals3( a, expected ), 'Check translation result' );
 
 		} );