math::vec2 Triangle::get_texture_coords_interpolated(
Mesh const& mesh,
math::vec3 const& position) const {
math::vec2 tex_coords(0, 0);
tex_coords = math::interpolate(position,
std::make_pair(mesh_vertex(mesh,face_id_,0),
mesh_texcoord(mesh,face_id_,0)),
std::make_pair(mesh_vertex(mesh,face_id_,1),
mesh_texcoord(mesh,face_id_,1)),
std::make_pair(mesh_vertex(mesh,face_id_,2),
mesh_texcoord(mesh,face_id_,2))
);
return tex_coords;
}
inline void append_texcoords(const vec2 *theVerts, size_t numVerts)
{
tex_coords().insert(m_tex_coords.end(), theVerts, theVerts + numVerts);
}
inline void append_tex_coords(const std::vector<vec2> &theVerts)
{
tex_coords().insert(m_tex_coords.end(), theVerts.begin(), theVerts.end());
}
inline void append_tex_coord(const vec2 &theUV)
{ tex_coords().push_back(theUV); };
inline void append_tex_coord(float theU, float theV)
{ tex_coords().push_back(vec2(theU, theV)); };