/// <summary>
/// Update the next active behavior.
/// </summary>
/// <returns></returns>
public bool Step()
{
IBehavior current = _activeBehaviors.GrabFirst();
if (current == null)
{
return(false);
}
Behavior.Status result = current.Tick();
if (result == Behavior.Status.Running)
{
_activeBehaviors.AddLast(current);
}
return(true);
}