94         });

    94         });

    95 

    95 

    96         unsafe { window.make_current().unwrap() };

    96         unsafe { window.make_current().unwrap() };

    97 

    97 

    98         engine.render();

    98         engine.render();

   100         window.swap_buffers().unwrap();

    99         window.swap_buffers().unwrap();

   101     }

   100     }

   102 }

   101 }