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#ifndef GENERATE_CUBE_HH
#define GENERATE_CUBE_HH
template <typename MeshType>
size_t generate_cube( MeshType& mesh )
{
typedef typename MeshType::VertexHandle VertexHandle;
typedef typename MeshType::Point Point;
typename MeshType::VertexHandle vhandle[8];
vhandle[0] = mesh.add_vertex(Point(-1, -1, 1));
vhandle[1] = mesh.add_vertex(Point( 1, -1, 1));
vhandle[2] = mesh.add_vertex(Point( 1, 1, 1));
vhandle[3] = mesh.add_vertex(Point(-1, 1, 1));
vhandle[4] = mesh.add_vertex(Point(-1, -1, -1));
vhandle[5] = mesh.add_vertex(Point( 1, -1, -1));
vhandle[6] = mesh.add_vertex(Point( 1, 1, -1));
vhandle[7] = mesh.add_vertex(Point(-1, 1, -1));
// generate (quadrilateral) faces
std::vector< VertexHandle > face_vhandles;
face_vhandles.clear();
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[3]);
mesh.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[7]);
face_vhandles.push_back(vhandle[6]);
face_vhandles.push_back(vhandle[5]);
face_vhandles.push_back(vhandle[4]);
mesh.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[4]);
face_vhandles.push_back(vhandle[5]);
mesh.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[5]);
face_vhandles.push_back(vhandle[6]);
mesh.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[6]);
face_vhandles.push_back(vhandle[7]);
mesh.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[7]);
face_vhandles.push_back(vhandle[4]);
mesh.add_face(face_vhandles);
return mesh.n_vertices();
};
#endif
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