text: /**
   * Created by stryker on 2014.03.05..
   */
  define(function(){
  
      //Private variables
      var _game = null,
          _starfield = null;
  
      return{
          init: function(game,level,mode){
              _game = game;
          },
          preload: function(){
              _game.load.image('starfield', 'TeoricaInvaders/assets/img/starfield.png');
          },
          create: function(){
              _starfield = _game.add.tileSprite(0, 0,800,600, 'starfield');
          },
          update: function(){
              _starfield.tilePosition.y +=2;
          }
  
      }
  });