// Make an octahedron without texture coordinates or smoothing.
public static void AddOctahedron(this MeshGeometry3D mesh)
{
// Get the points.
Point3D A, B, C, D, E, F;
G3.OctahedronPoints(out A, out B, out C, out D, out E, out F);
// Make the faces.
mesh.AddPolygon(A, B, C);
mesh.AddPolygon(A, C, D);
mesh.AddPolygon(A, D, E);
mesh.AddPolygon(A, E, B);
mesh.AddPolygon(F, B, E);
mesh.AddPolygon(F, C, B);
mesh.AddPolygon(F, D, C);
mesh.AddPolygon(F, E, D);
}
public static void VerifyOctahedron()
{
// Get the points.
Point3D A, B, C, D, E, F;
G3.OctahedronPoints(out A, out B, out C, out D, out E, out F);
// Verify the points.
G3.VerifyPoints(A, B, C, D);
// Verify the faces.
G3.VerifyPolygon(A, B, C);
G3.VerifyPolygon(A, C, D);
G3.VerifyPolygon(A, D, E);
G3.VerifyPolygon(A, E, B);
G3.VerifyPolygon(F, B, E);
G3.VerifyPolygon(F, C, B);
G3.VerifyPolygon(F, D, C);
G3.VerifyPolygon(F, E, D);
}