Updated builds.

build/three.js

@@ -1077,9 +1077,17 @@ THREE.Quaternion.prototype = {
 
 	},
 
-	toArray: function () {
+	toArray: function ( array, offset ) {
+
+		if ( array === undefined ) array = [];
+		if ( offset === undefined ) offset = 0;
 
-		return [ this._x, this._y, this._z, this._w ];
+		array[ offset ] = this._x;
+		array[ offset + 1 ] = this._y;
+		array[ offset + 2 ] = this._z;
+		array[ offset + 3 ] = this._w;
+
+		return array;
 
 	},
 
@@ -1497,9 +1505,15 @@ THREE.Vector2.prototype = {
 
 	},
 
-	toArray: function () {
+	toArray: function ( array, offset ) {
+
+		if ( array === undefined ) array = [];
+		if ( offset === undefined ) offset = 0;
+
+		array[ offset ] = this.x;
+		array[ offset + 1 ] = this.y;
 
-		return [ this.x, this.y ];
+		return array;
 
 	},
 
@@ -2311,9 +2325,16 @@ THREE.Vector3.prototype = {
 
 	},
 
-	toArray: function () {
+	toArray: function ( array, offset ) {
+
+		if ( array === undefined ) array = [];
+		if ( offset === undefined ) offset = 0;
+
+		array[ offset ] = this.x;
+		array[ offset + 1 ] = this.y;
+		array[ offset + 2 ] = this.z;
 
-		return [ this.x, this.y, this.z ];
+		return array;
 
 	},
 
@@ -2963,9 +2984,17 @@ THREE.Vector4.prototype = {
 
 	},
 
-	toArray: function () {
+	toArray: function ( array, offset ) {
+
+		if ( array === undefined ) array = [];
+		if ( offset === undefined ) offset = 0;
 
-		return [ this.x, this.y, this.z, this.w ];
+		array[ offset ] = this.x;
+		array[ offset + 1 ] = this.y;
+		array[ offset + 2 ] = this.z;
+		array[ offset + 3 ] = this.w;
+
+		return array;
 
 	},
 
@@ -34332,10 +34361,18 @@ THREE.SpritePlugin = function () {
 		for ( var i = 0, l = sprites.length; i < l; i ++ ) {
 
 			var sprite = sprites[ i ];
-			var material = sprite.material;
 
 			sprite._modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, sprite.matrixWorld );
-			sprite.z = - sprite._modelViewMatrix.elements[ 14 ];
+
+			if ( sprite.renderDepth === null ) {
+
+				sprite.z = - sprite._modelViewMatrix.elements[ 14 ];
+
+			} else {
+
+				sprite.z = sprite.renderDepth;
+
+			}
 
 		}