/// <summary>
 /// Remove a flocking entity from the flockMembers list.
 /// </summary>
 /// <param name="entity">FlockingEntity</param>
 public void RemoveFromFlock(FlockingEntityBehaviour entity)
 {
     flockMembers.Remove(entity);
 }
 /// <summary>
 /// Add a flocking entity to the flockMembers list.
 /// </summary>
 /// <param name="entity">FlockingEntity</param>
 public void AddToFlock(FlockingEntityBehaviour entity)
 {
     flockMembers.Add(entity);
 }