/// <summary>
        /// Activates the loading screen.
        /// </summary>
        public static void Load(ScreenManager screenManager, bool loadingIsSlow,
            PlayerIndex? controllingPlayer,
            params Screen[] screensToLoad)
        {
            // Tell all the current screens to transition off.

            foreach (Screen screen in screenManager.GetScreens())
                screen.ExitScreen();
            // Create and activate the loading screen.
            LoadingScreen loadingScreen = new LoadingScreen(screenManager,
                                                            loadingIsSlow,
                                                            screensToLoad);

            screenManager.AddScreen(loadingScreen, controllingPlayer,0);
        }