private void OnTriggerEnter2D(Collider2D collision)
 {
     if (collision.tag == "spawner" && (global.GetLineOver() == true || isGameStarted == false))
     {
         SetZeroSpeed();
         if (isGameStarted == true)
         {
             global.MoveAll();
             score.IncreaseScore();
             score.PlayAnimationOfUpdating();
             score.UpdateScoreText();
             if (PlayerPrefs.GetInt("sound", 0) == 1)
             {
                 GetComponent <AudioSource>().Play();
             }
         }
         isGameStarted = true;
         transform.SetParent(collision.transform);
     }
     else if (collision.tag == "gameOver")
     {
         SetZeroSpeed();
         global.GameOver();
         collision.transform.parent.GetComponent <LineController>().GameOverRotate();
     }
 }