text: game.PlayScreen = me.ScreenObject.extend({
      /**
       *  action to perform on state change
       */
      onResetEvent: function() {
  
          // load a level
          // me.levelDirector.loadLevel("spikes-practice");
          me.levelDirector.loadLevel("spikes-level-2");
  
          // reset the score
          game.data.score = 0;
          game.data.lives = 3;
  
          // Add our HUD to the game world, add it last so that this is on top of the rest.
          // Can also be forced by specifying a "Infinity" z value to the addChild function.
          this.HUD = new game.HUD.Container();
          me.game.world.addChild(this.HUD);
      },
  
      /**
       *  action to perform when leaving this screen (state change)
       */
      onDestroyEvent: function() {
          // remove the HUD from the game world
          me.game.world.removeChild(this.HUD);
      }
  });
  