Method str

tutorials/common/tutorial/camera.h:46–56

    : from(cam.from), to(cam.to), up(cam.up), fov(cam.fov), handedness(handedness) {}

    std::string str() const 
    {
      std::stringstream stream;
      stream.precision(10);
      stream << "--vp " << from.x    << " " << from.y    << " " << from.z    << " " 
             << "--vi " << to.x << " " << to.y << " " << to.z << " " 
             << "--vu " << up.x     << " " << up.y     << " " << up.z     << " " 
             << "--fov " << fov << " "
             << (handedness == LEFT_HANDED ? "--lefthanded" : "--righthanded");
      return stream.str();
    }
    
    AffineSpace3fa camera2world ()
    {