public void notify(Event gameEvent)
 {
     foreach (GameEventObserver o in observers)
     {
         o.notify(gameEvent);
     }
 }
 public void notify(Event gameEvent)
 {
     Console.WriteLine("The unit at (" + this.x + ", " + this.y + ") + sees the subject at cell (" + gameEvent.orginCell.Xcoord + ", " + gameEvent.orginCell.Ycoord + ")");
 }