private static Visual3D AddFace(Viewport3D viewport, Face3D face, Color color, Color? reflectColor = null)
{
Tuple<int[], Point3D[]> poly = face.GetPolygon(500);
TriangleIndexed[] triangles = Math2D.GetTrianglesFromConvexPoly(poly.Item1, poly.Item2);
return AddTriangles(viewport, triangles, color, reflectColor);
}