normalize zero length quaternions

makryl · greggman · commit 5f257bc79d78 · 2024-07-21T02:22:47.000+09:00
diff --git a/src/quat-impl.ts b/src/quat-impl.ts
@@ -728,7 +728,7 @@ function normalize<T extends QuatArg = QuatType>(v: QuatArg, dst?: T) {
     newDst[0] = 0;
     newDst[1] = 0;
     newDst[2] = 0;
-    newDst[3] = 0;
+    newDst[3] = 1;
   }
 
   return newDst;

Original file line number	Diff line number	Diff line change
`@@ -728,7 +728,7 @@ function normalize<T extends QuatArg = QuatType>(v: QuatArg, dst?: T) {`
`728`	`728`	`newDst[0] = 0;`
`729`	`729`	`newDst[1] = 0;`
`730`	`730`	`newDst[2] = 0;`
`731`		`- newDst[3] = 0;`
	`731`	`+ newDst[3] = 1;`
`732`	`732`	`}`
`733`	`733`
`734`	`734`	`return newDst;`