public Point3D GetNormal(int xo, int yo)
{
return(LandTile.GetVertexNormal(this.facet, this.ax + xo, this.ay + yo));
}
public static int GetShadow(int facet, int x, int y)
{
return(MapLighting.GetShadow(LandTile.GetVertexNormal(facet, x, y)));
}