private void InitAttackerItem(Vector2 pos)
 {
     AttackerItem = new DebugAttackerItem(pos);
     Attacker = AttackerItem.GetProperty<AttackerProperty>();
     Engine.InsertItem(AttackerItem);
 }
 public void CleanupEngine()
 {
     AttackerItem = null;
     AttackableItem = null;
     CollectorItem = null;
     CollectableItem = null;
     Attacker = null;
     Attackable = null;
     Collector = null;
     Collectable = null;
     Map = null;
     Engine = null;
 }