public void CapturedPrey(Creature c)
 {
     // StopGame();
     Debug.Log(string.Format("{0} {1} captured prey!", Time.time, c));
     c.Grow();
     var quarry = c.ForPursuit.Quarry.GetComponent<Creature>();
     quarry.Die();
     Destroy(c.ForPursuit.Quarry.gameObject); // TODO disable instead of destroy to improve performance?
 }