diff --git a/src/pixi/core/Matrix.js b/src/pixi/core/Matrix.js
index 647957e..9f8198b 100644
--- a/src/pixi/core/Matrix.js
+++ b/src/pixi/core/Matrix.js
@@ -84,13 +84,20 @@
  *
  * @method apply
  * @param pos {Point} The origin
+ * @param [newPos] {Point} The point that the new position is assigned to (allowed to be same as input)
  * @return {Point} The new point, transformed trough this matrix
  */
-PIXI.Matrix.prototype.apply = function(pos)
+PIXI.Matrix.prototype.apply = function(pos, newPos)
 {
-    return new PIXI.Point(
-        this.a * pos.x + this.b * pos.y + this.tx,
-        this.c * pos.x + this.d * pos.y + this.ty);
+    var x = this.a * pos.x + this.b * pos.y + this.tx;
+    var y = this.c * pos.x + this.d * pos.y + this.ty;
+    if (newPos === undefined)
+    {
+        return new PIXI.Point(x, y);
+    }
+    newPos.x = x;
+    newPos.y = y;
+    return newPos;
 };
 
 /**
@@ -99,14 +106,21 @@
  *
  * @method apply
  * @param pos {Point} The origin
+ * @param [newPos] {Point} The point that the new position is assigned to (allowed to be same as input)
  * @return {Point} The new point, inverse-transformed trough this matrix
  */
-PIXI.Matrix.prototype.applyInverse = function(pos)
+PIXI.Matrix.prototype.applyInverse = function(pos, newPos)
 {
     var id = 1 / (this.a * this.d + this.b * -this.c);
-    return new PIXI.Point(
-        this.d * id * pos.x + -this.b * id * pos.y + (this.ty * this.b - this.tx * this.d) * id,
-        this.a * id * pos.y + -this.c * id * pos.x + (-this.ty * this.a + this.tx * this.c) * id);
+    var x = this.d * id * pos.x - this.b * id * pos.y + (this.ty * this.b - this.tx * this.d) * id;
+    var y = this.a * id * pos.y - this.c * id * pos.x + (this.tx * this.c - this.ty * this.a) * id;
+    if (newPos === undefined)
+    {
+        return new PIXI.Point(x, y);
+    }
+    newPos.x = x;
+    newPos.y = y;
+    return newPos;
 };
 
 PIXI.identityMatrix = new PIXI.Matrix();