public static void Remove(this XDictionary <Coord3D, SpriteList <Sprite> > layerMap, Coord3D coord, Sprite item)
{
if (layerMap[coord].Contains(item))
{
layerMap[coord].Remove(item);
}
}
public static void Add(this XDictionary <Coord3D, SpriteList <Sprite> > layerMap, Coord3D coord, Sprite item)
{
if (!layerMap.ContainsKey(coord))
{
layerMap.Add(coord, new SpriteList <Sprite>());
}
layerMap[coord].Add(item);
}
