/// <summary>
 /// Computes a polygon from points on given tilemaps.
 /// </summary>
 /// <param name="tilemaps"></param>
 /// <returns></returns>
 public static PolygonGrid2D GetPolygonFromTilemaps(ICollection <Tilemap> tilemaps)
 {
     return(RoomTemplateLoaderGrid2D.GetPolygonFromTilemaps(tilemaps));
 }