private void InitSnifferItem(Vector2 pos)
 {
     SnifferItem = new DebugSnifferItem(pos);
     Sniffer = SnifferItem.GetProperty<SnifferProperty>();
     Engine.InsertItem(SnifferItem);
 }
 public void CleanupEngine()
 {
     VisibleItem = null;
     SightingItem = null;
     SmellableItem = null;
     SnifferItem = null;
     Visible = null;
     Sighting = null;
     Smellable = null;
     Sniffer = null;
     Map = null;
     Engine = null;
 }