public ZYDifficultMode NewDifficultMode()
        {
            ZYDifficultMode difficultMode = new ZYDifficultMode(this);

            difficultMode.SetX(0);
            difficultMode.SetY(0);
            difficultMode.SetSpeed();
            return(difficultMode);
        }
 public ZYEasyMode NewZYGame()
 {
     _easyMode      = new ZYEasyMode(this);
     _mediumMode    = new ZYMediumMode(this);
     _difficultMode = new ZYDifficultMode(this);
     _easyMode.SetX(0);
     _easyMode.SetY(0);
     _mediumMode.SetX(0);
     _mediumMode.SetY(0);
     _difficultMode.SetX(0);
     _difficultMode.SetY(0);
     return(_easyMode);
 }