private void OnTriggerEnter(Collider collider)
 {
     if (collider.CompareTag("Head"))
     {
         SnakeController.Die(transform.parent.gameObject);
     }
     else if (collider.CompareTag("PickUp"))
     {
         SnakeController.BonusLength(ReferenceContainer.SnakeController, collider.gameObject);
     }
 }