message: Moana stores fovy while Visionaray stores fovy/2
diff: @@ -198,11 +198,11 @@ static void load_camera(std::string const& filename, std::shared_ptr<sg::node> r
  auto cam = std::make_shared<sg::camera>();
  // fov
  - float fovx = 0.0f;
  + float fov = 0.0f;
  if (doc.HasMember("fov"))
  {
  - rapidjson::Value const& fov = doc["fov"];
  - fovx = fov.GetFloat();
  + rapidjson::Value const& fv = doc["fov"];
  + fov = fv.GetFloat();
  }
  // aspect ratio
  @@ -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 = fov * 0.5f;
  cam->perspective(fovy * constants::degrees_to_radians<float>(), aspect, 0.001f, 1000.0f);
  cam->set_lens_radius(lens_radius);
  