Phaser.SpriteBatch = function (game, parent, name, addToStage){ 
if (parent === undefined || parent === null ) { 
parent = game.world; 
} 
PIXI.SpriteBatch.call(this); 
Phaser.Group.call(this, game, parent, name, addToStage); 
this.type = Phaser.SPRITEBATCH; 
} 
; 
Phaser.SpriteBatch.prototype = Phaser.Utils.extend(true , Phaser.SpriteBatch.prototype, PIXI.SpriteBatch.prototype, Phaser.Group.prototype); 
Phaser.SpriteBatch.prototype.constructor = Phaser.SpriteBatch;