// Make a tetrahedron without texture coordinates or smoothing.
public static void AddTetrahedron(this MeshGeometry3D mesh, bool centered = true)
{
// Get the points.
Point3D A, B, C, D;
G3.TetrahedronPoints(out A, out B, out C, out D, centered);
// Make the faces.
mesh.AddPolygon(A, B, C);
mesh.AddPolygon(A, C, D);
mesh.AddPolygon(A, D, B);
mesh.AddPolygon(D, C, B);
}
public static void VerifyTetrahedron()
{
// Get the points.
Point3D A, B, C, D;
G3.TetrahedronPoints(out A, out B, out C, out D, true);
// 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, B);
G3.VerifyPolygon(D, C, B);
}