public void DeadUfo(int count)
 {
     UpdateScore(count);
     ufo.ResetObject();
     Ufo.SetActive(false);
     ufo.isDead = true;
     if (state == GameState.Process)
     {
         StartTimer(Random.Range(gameManager.MinAppearanceUFO, gameManager.MaxAppearanceUFO));
     }
 }