if(inited){
return;
}
//init here
manager=new TutorialManager(MEngine.getAssetManager().getJson("configs/tutorial_configs.json"),
getGameWidth(),getGameHeight(),2,TASK_HANDLERS);
this.level=new Level(MEngine.getAssetManager().getJson("levels/tutorial_level.json"),
new Point(getGameWidth()/2.0,getGameHeight()/2.0));
this.creator=new Creator(level);