message: Fix calculating fovy from fovx
diff: @@ -311,7 +311,7 @@ static void load_camera(std::string const& filename, std::shared_ptr<sg::node> r
  // Apply parameters
  - float fovy = fovx / aspect;
  + float fovy = fovx * aspect;
  cam->perspective(fovy * constants::degrees_to_radians<float>(), aspect, 0.001f, 1000.0f);
  cam->set_lens_radius(lens_radius);
  