void Game::RunMainloop()
{
    sf::Clock clock;
    Scene* s = scenes.top();
    while (MainWindow->isOpen())
    {
        MainWindow->clear();

        float UpdateTime = 0;

        while (UpdateTime < 1000.f / 60.f)
        {
            sf::Time time = clock.getElapsedTime();
            UpdateTime += time.asMilliseconds();

            s->HandleEvents(*MainWindow);
            s->UpdateScene(clock);
        }
        s->RenderScene(*MainWindow);

        MainWindow->display();
    }
}