anchor.diff:  
       Q.Sprite.extend("Heart", {
           init: function (p) {
  -            p.asset  = "full-heart.png";
  +            p.asset  = '<%= asset_path("full-heart.png") %>';
               p.damage = 0;
   
               this._super(p);
  
positive.code: 
                  stage.remove(heart);
              }
          };
  
          Q.state.on("change.hp", this.updateHearts);
      });
  
      Q.scene("overworld",function(stage) {
  
negative.code: 
      Q.Sprite.extend("Monster", {
          init: function (p) {
              p.sheet = "hand";
              p.frame = 37;
              this._super(p);
              this.add("2d");
  
  