Выполнение команды с заданной вероятностью

{
        if(isGameOver)
            return;
 
        Appodeal.isLoaded(Appodeal.INTERSTITIAL);
        Appodeal.show(Appodeal.INTERSTITIAL);
 
 
        DOTween.KillAll ();
        soundManager.PlaySoundFail();
        isGameOver = true;
        isGameOver = true;
 
        StopAllCoroutines ();
 
 
        playerCanShoot = false;
 
        if(OnFailStart != null)
            OnFailStart();
 
        Color colorFrom = constant.BackgroundColor;
        Color colorTo = constant.FailColor;
 
        float delay = 0.3f;
 
 
        Camera.main.backgroundColor = colorFrom;
 
        Camera.main.DOColor (colorTo, delay).OnComplete(() => {
 
            DOVirtual.DelayedCall(delay, () => {
                if(OnFailComplete != null)
                    OnFailComplete();
            });
            Camera.main.DOColor (colorFrom, delay).SetDelay(delay).OnComplete (() => {
 
                Camera.main.DOColor (colorFrom, delay).SetDelay(delay/2).OnComplete(() =>{
                });
 
            });
 
 
        });
 
 
 
        Camera.main.transform.DOShakePosition (delay, 1, 10, 90, false);
 
    }