var GameObjectFactory = require('../GameObjectFactory'); 
var PathFollower = require('./PathFollower'); 
GameObjectFactory.register('follower', function (path, x, y, key, frame){ 
var sprite = new PathFollower(this.scene, path, x, y, key, frame); 
this.displayList.add(sprite); 
this.updateList.add(sprite); 
return sprite; 
} 
);