Merge pull request #11457 from 06wj/patch-ray

Optimize Ray.applyMatrix4 performance
mrdoob · Jun 7, 2017 · f68d7f1 · f68d7f1
2 parents cd1f9ec + 8743685
commit f68d7f1
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/src/math/Ray.js b/src/math/Ray.js
@@ -515,10 +515,8 @@ Object.assign( Ray.prototype, {
 
 	applyMatrix4: function ( matrix4 ) {
 
-		this.direction.add( this.origin ).applyMatrix4( matrix4 );
 		this.origin.applyMatrix4( matrix4 );
-		this.direction.sub( this.origin );
-		this.direction.normalize();
+		this.direction.transformDirection( matrix4 );
 
 		return this;