void Awake()  //一些初始的设置
    {
        GameDirector director = GameDirector.GetInstance();

        director.CurrentSceneController = this;
        mF     = Singleton <MyFactory> .Instance;
        player = mF.GetPlayer();
        Player.DestroyEvent += SetGameOver;        //如果玩家坦克被摧毁,则设置游戏结束
        scorer = Scorer.getInstance();
        Enemy.EnemyDestroyEvent += DestoryEnemy;
    }