message: change fov calculation to degrees
diff: @@ -452,8 +452,8 @@ void GLTFData::createCameras()
  if (ext.Has("lens")) {
  auto lens = ext.Get("lens");
  - float chamberConstant = (float)lens.Get("focalLength").Get<double>();
  - float fovy = atan(len_y / (2 * chamberConstant)) * 360.f / (float)pi;
  + float focalLength = (float)lens.Get("focalLength").Get<double>();
  + float fovy = 2 * atan(len_y / (2 * focalLength));
  sgCamera->child("fovy").setValue(fovy);
  float apertureRadius = (float)lens.Get("apertureRadius").Get<double>();
  