private void OnTriggerEnter(Collider other)
 {
     if (other.tag == "Player")
     {
         if (other.GetComponent <ElementManager>())
         {
             ElementManager e = other.GetComponent <ElementManager>();
             e.ChangeElement(this);
             Destroy(display.GetChild(0).gameObject);
             GameObject g = Instantiate(emptyElementalGameObject, transform.position, transform.rotation);
             g.transform.SetParent(display.transform);
             g.transform.localPosition = Vector3.zero;
         }
     }
 }