public IEnumerator PopBtn()
    {
        yield return(new WaitForSeconds(2));

        startBtn.SetActive(true);
        AIBtn.SetActive(true);
        ExitBtn.SetActive(true);
    }
 // Use this for initialization
 void Start()
 {
     Instance = this;
     Input.multiTouchEnabled = true;
     isStarted = false;
     isOver    = true;
     isAI      = false;
     startBtn.SetActive(true);
     AIBtn.SetActive(true);
     ExitBtn.SetActive(true);
     //Sound.Instance.playBg();
 }
 public void PushStartBtn()
 {
     Sound.Instance.stopBg();
     Sound.Instance.stopWin();
     isStarted = true;
     startBtn.SetActive(false);
     AIBtn.SetActive(false);
     ExitBtn.SetActive(false);
     Instantiate(counter);
     Sound.Instance.playCountdown();
     BlueSide.Instance.Initial();
     RedSide.Instance.Initial();
     StartCoroutine(Initial());
 }