message: Don't add *extra* tex-coords
diff: @@ -151,7 +151,6 @@ void load_ply(std::string const& filename, model& mod)
  if (coords)
  {
  -
  vec2 tc1(coords[index1 * 2], coords[index1 * 2 + 1]);
  vec2 tc2(coords[index2 * 2], coords[index2 * 2 + 1]);
  vec2 tc3(coords[index3 * 2], coords[index3 * 2 + 1]);
  @@ -160,12 +159,14 @@ void load_ply(std::string const& filename, model& mod)
  mod.tex_coords.emplace_back(tc2);
  mod.tex_coords.emplace_back(tc3);
  }
  -
  - mod.geometric_normals.emplace_back(cross(e1, e2));
  -
  + else
  + {
  mod.tex_coords.emplace_back(0.0f);
  mod.tex_coords.emplace_back(0.0f);
  mod.tex_coords.emplace_back(0.0f);
  + }
  +
  + mod.geometric_normals.emplace_back(cross(e1, e2));
  mod.bbox.insert(v1);
  mod.bbox.insert(v2);
  