void MainLoop()
 {
     while (true)
     {
         renderer.Update();
         renderer.Draw();
         try
         {
             simpleOpenGlControl1.Refresh();
         }
         catch { }
     }
 }
 private void simpleOpenGlControl1_Paint(object sender, PaintEventArgs e)
 {
     renderer.Update();
     renderer.Draw();
 }