Updated builds.

build/three.js

@@ -2119,13 +2119,14 @@ THREE.extend( THREE.Vector3.prototype, {
 
 	reflect: function () {
 
-		var v1 = new THREE.Vector3();
+		// reflect incident vector off plane orthogonal to normal
+		// normal is assumed to have unit length
 
-		return function ( vector ) {
+		var v1 = new THREE.Vector3();
 
-		    v1.copy( this ).projectOnVector( vector ).multiplyScalar( 2 );
+		return function ( normal ) {
 
-		    return this.subVectors( v1, this );
+			return this.sub( v1.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) );
 
 		}
 

build/three.min.js

@@ -46,7 +46,7 @@ setEulerFromQuaternion:function(){console.error("REMOVED: Vector3's setEulerFrom
 return this.setFromMatrixScale(a)},getColumnFromMatrix:function(a,b){console.warn("DEPRECATED: Vector3's .getColumnFromMatrix() has been renamed to .setFromMatrixColumn(). Please update your code.");return this.setFromMatrixColumn(a,b)},setFromMatrixPosition:function(a){this.x=a.elements[12];this.y=a.elements[13];this.z=a.elements[14];return this},setFromMatrixScale:function(a){var b=this.set(a.elements[0],a.elements[1],a.elements[2]).length(),c=this.set(a.elements[4],a.elements[5],a.elements[6]).length(),
 a=this.set(a.elements[8],a.elements[9],a.elements[10]).length();this.x=b;this.y=c;this.z=a;return this},setFromMatrixColumn:function(a,b){var c=4*a,d=b.elements;this.x=d[c];this.y=d[c+1];this.z=d[c+2];return this},equals:function(a){return a.x===this.x&&a.y===this.y&&a.z===this.z},fromArray:function(a){this.x=a[0];this.y=a[1];this.z=a[2];return this},toArray:function(){return[this.x,this.y,this.z]},clone:function(){return new THREE.Vector3(this.x,this.y,this.z)}};
 THREE.extend(THREE.Vector3.prototype,{applyEuler:function(){var a=new THREE.Quaternion;return function(b){!1===b instanceof THREE.Euler&&console.error("ERROR: Vector3's .applyEuler() now expects a Euler rotation rather than a Vector3 and order.  Please update your code.");this.applyQuaternion(a.setFromEuler(b));return this}}(),applyAxisAngle:function(){var a=new THREE.Quaternion;return function(b,c){this.applyQuaternion(a.setFromAxisAngle(b,c));return this}}(),projectOnVector:function(){var a=new THREE.Vector3;
-return function(b){a.copy(b).normalize();b=this.dot(a);return this.copy(a).multiplyScalar(b)}}(),projectOnPlane:function(){var a=new THREE.Vector3;return function(b){a.copy(this).projectOnVector(b);return this.sub(a)}}(),reflect:function(){var a=new THREE.Vector3;return function(b){a.copy(this).projectOnVector(b).multiplyScalar(2);return this.subVectors(a,this)}}()});THREE.Vector4=function(a,b,c,d){this.x=a||0;this.y=b||0;this.z=c||0;this.w=void 0!==d?d:1};
+return function(b){a.copy(b).normalize();b=this.dot(a);return this.copy(a).multiplyScalar(b)}}(),projectOnPlane:function(){var a=new THREE.Vector3;return function(b){a.copy(this).projectOnVector(b);return this.sub(a)}}(),reflect:function(){var a=new THREE.Vector3;return function(b){return this.sub(a.copy(b).multiplyScalar(2*this.dot(b)))}}()});THREE.Vector4=function(a,b,c,d){this.x=a||0;this.y=b||0;this.z=c||0;this.w=void 0!==d?d:1};
 THREE.Vector4.prototype={constructor:THREE.Vector4,set:function(a,b,c,d){this.x=a;this.y=b;this.z=c;this.w=d;return this},setX:function(a){this.x=a;return this},setY:function(a){this.y=a;return this},setZ:function(a){this.z=a;return this},setW:function(a){this.w=a;return this},setComponent:function(a,b){switch(a){case 0:this.x=b;break;case 1:this.y=b;break;case 2:this.z=b;break;case 3:this.w=b;break;default:throw Error("index is out of range: "+a);}},getComponent:function(a){switch(a){case 0:return this.x;
 case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw Error("index is out of range: "+a);}},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;this.w=void 0!==a.w?a.w:1;return this},add:function(a,b){if(void 0!==b)return console.warn("DEPRECATED: Vector4's .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(a,b);this.x+=a.x;this.y+=a.y;this.z+=a.z;this.w+=a.w;return this},addScalar:function(a){this.x+=a;this.y+=a;this.z+=a;this.w+=a;return this},
 addVectors:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;this.w=a.w+b.w;return this},sub:function(a,b){if(void 0!==b)return console.warn("DEPRECATED: Vector4's .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(a,b);this.x-=a.x;this.y-=a.y;this.z-=a.z;this.w-=a.w;return this},subVectors:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-b.z;this.w=a.w-b.w;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;this.z*=a;this.w*=a;return this},