make tweens chain loopable

examples/tweens/chained tweens.php

@@ -10,7 +10,6 @@
     var game = new Phaser.Game(800, 600, Phaser.AUTO, '', { preload: preload, create: create, update: update, render: render });
 
     var p;
-    var p2;
 
     function preload() {
 
@@ -27,13 +26,11 @@
         game.add.tween(p).to({ x: 700 }, 1000, Phaser.Easing.Linear.None, true)
         .to({ y: 300 }, 1000, Phaser.Easing.Linear.None)
         .to({ x: 0 }, 1000, Phaser.Easing.Linear.None)
-        .to({ y: 0 }, 1000, Phaser.Easing.Linear.None);
+        .to({ y: 0 }, 1000, Phaser.Easing.Linear.None)
+        .loop();
     }
 
     function update() {
-
-        // p.y = game.math.min(100, game.input.y);
-
     }
 
     function render() {

src/tween/Tween.js

@@ -76,7 +76,7 @@ Phaser.Tween.prototype = {
 		if (this._parent)
 		{
 			self = this._manager.create(this._object);
-			self._parent = this;
+			self._parent = this._parent;
 			this.chain(self);
 		}
 		else
@@ -206,6 +206,23 @@ Phaser.Tween.prototype = {
 
 	},
 
+	/**
+	* Loop a chain of tweens
+	* 
+	* Usage:
+	* game.add.tween(p).to({ x: 700 }, 1000, Phaser.Easing.Linear.None, true)
+	* .to({ y: 300 }, 1000, Phaser.Easing.Linear.None)
+	* .to({ x: 0 }, 1000, Phaser.Easing.Linear.None)
+	* .to({ y: 0 }, 1000, Phaser.Easing.Linear.None)
+	* .loop();
+	* 
+	* @return {Tween} Itself.
+	*/
+	loop: function() {
+		if (this._parent) this.chain(this._parent);
+		return this;
+	},
+
 	onStartCallback: function ( callback ) {
 
 		this._onStartCallback = callback;