public static void AddFreezeListener(UnityAction <int> freezeEventHandler)
 {
     freezeEventListener = freezeEventHandler;
     if (freezeEventInvoker != null)
     {
         freezeEventInvoker.AddFreezeEventListener(freezeEventListener);
     }
 }
 public static void AddFreezeInvoker(PickUpBlock invoker)
 {
     freezeEventInvoker = invoker;
     if (freezeEventListener != null)
     {
         freezeEventInvoker.AddFreezeEventListener(freezeEventListener);
     }
 }