void Update()
 {
     if (active && Input.GetMouseButtonDown(1))
     {
         RaycastHit hit;
         if (Physics.Raycast(Camera.main.ScreenPointToRay(Input.mousePosition), out hit, 1000f))
         {
             if (hit.collider.gameObject == this.gameObject)
             {
                 multipleChoiceControllerInstance.ShowPanel(transform.position);
                 placing = true;
             }
             else
             {
                 multipleChoiceControllerInstance.HidePanel();
                 if (placing)
                 {
                     MainUISoundManager.Instance.PlaySound("blop");
                     placing = false;
                 }
             }
         }
     }
 }