SceneBase Implementierung

public abstract class SceneBase : DrawableGameComponent
{
    public List<GameComponent> SceneComponents { get; private set; }

    public SceneBase(Game game)
        : base(game)
    {
        SceneComponents = new List<GameComponent>();

        Visible = false;
        Enabled = false;
    }

    public void Show()
    {
        Enabled = true;
        Visible = true;
    }

    public void Hide()
    {
        Enabled = false;
        Visible = false;
    }

    public void Pause()
    {
        Enabled = false;
        Visible = true;
    }

    public override void Update(GameTime gameTime)
    {
        foreach (var component in SceneComponents
            .Where(x => x.Enabled))
        {
            component.Update(gameTime);
        }

        base.Update(gameTime);
    }

    public override void Draw(GameTime gameTime)
    {
        foreach (var component in SceneComponents
            .OfType<DrawableGameComponent>()
            .Where(x => x.Visible))
        {
            component.Draw(gameTime);
        }

        base.Draw(gameTime);
    }
}