Panel is working and now I can work on the gui interactions parts.

gui.cpp

@@ -193,6 +193,7 @@ void GUI::shake() {
     int y = Random::uniform<int>(-20,20);
     // add x/y back to draw screen
     $renderer.draw_screen($map_view, x, y);
+    $renderer.display();
     std::this_thread::sleep_for(1ms);
   }
 }