[pull] dev from mrdoob:dev

examples/jsm/loaders/MaterialXLoader.js

@@ -886,17 +886,39 @@ class MaterialXNode {
 		material.specularIntensityNode = specularIntensityNode || float( 0.5 );
 		material.specularColorNode = specularColorNode || color( 1.0, 1.0, 1.0 );
 		material.iorNode = iorNode || float( 1.5 );
-		material.anisotropyNode = anisotropyNode || float( 0 );
-		material.anisotropyRotationNode = anisotropyRotationNode || float( 0 );
-		material.transmissionNode = transmissionNode || float( 0 );
-		material.transmissionColorNode = transmissionColorNode || color( 1.0, 1.0, 1.0 );
+
+		if ( anisotropyNode !== null ) {
+
+			material.anisotropyNode = anisotropyNode;
+			material.anisotropyRotationNode = anisotropyRotationNode || float( 0 );
+
+		}
+
+		if ( transmissionNode !== null ) {
+
+			material.transmissionNode = transmissionNode;
+			material.transmissionColorNode = transmissionColorNode || color( 1.0, 1.0, 1.0 );
+
+		}
+
 		material.thinFilmThicknessNode = thinFilmThicknessNode || float( 0 );
 		material.thinFilmIorNode = thinFilmIorNode || float( 1.5 );
-		material.sheenNode = sheenNode || float( 0 );
-		material.sheenColorNode = sheenColorNode || color( 1.0, 1.0, 1.0 );
-		material.sheenRoughnessNode = sheenRoughnessNode || float( 0.5 );
-		material.clearcoatNode = clearcoatNode || float( 0 );
-		material.clearcoatRoughnessNode = clearcoatRoughnessNode || float( 0 );
+
+		if ( sheenNode !== null ) {
+
+			material.sheenNode = sheenNode;
+			material.sheenColorNode = sheenColorNode || color( 1.0, 1.0, 1.0 );
+			material.sheenRoughnessNode = sheenRoughnessNode || float( 0.5 );
+
+		}
+
+		if ( clearcoatNode !== null ) {
+
+			material.clearcoatNode = clearcoatNode;
+			material.clearcoatRoughnessNode = clearcoatRoughnessNode || float( 0 );
+
+		}
+
 		if ( normalNode ) material.normalNode = normalNode;
 		if ( emissiveNode ) material.emissiveNode = emissiveNode;
 

examples/jsm/tsl/display/SSSNode.js

@@ -30,7 +30,7 @@ let _rendererState;
  *
  * - Ideally the maximum shadow length should not exceed `1` meter. Otherwise the effect gets
  * computationally very expensive since more samples during the ray marching process are evaluated.
- * You can mitigate this issue by reducing the `quality` paramter.
+ * You can mitigate this issue by reducing the `quality` parameter.
  * - The effect can only be used with a single directional light, the main light of your scene.
  * This main light usually represents the sun or daylight.
  * - Like other Screen-Space techniques SSS can only honor objects in the shadowing computation that
@@ -121,7 +121,7 @@ class SSSNode extends TempNode {
 
 		/**
 		 * Whether to use temporal filtering or not. Setting this property to
-		 * `true` requires the usage of `TRAANode`. This will help to reduce noice
+		 * `true` requires the usage of `TRAANode`. This will help to reduce noise
 		 * although it introduces typical TAA artifacts like ghosting and temporal
 		 * instabilities.
 		 *