private void DrawActor(Actor actor)
 {
     if (actor.PolyBody.tex != null)
         DrawPolygon((PolyBody)actor.PolyBody, actor);
     else
         CreateSprite(actor.GetType().ToString(),
             actor.State.Name,
             actor.Scale,
             actor.PolyBody.Position,
             actor.PolyBody.Rotation);
 }