protected override void LoadContent()
{
spriteBatch = new SpriteBatch(GraphicsDevice);
pixel = new Texture2D(graphics.GraphicsDevice, 1, 1);
pixel.SetData <Color>(new Color[] { Color.White });
fontington = Content.Load <SpriteFont>("fontington");
DrawText.Initialize(spriteBatch, graphics);
manager = new ScreenManager(spriteBatch, Content, graphics, Window, currentScreenWidth, currentScreenHeight);
manager.defaultFont = Content.Load <SpriteFont>("fontington");
manager.defaultFont.Spacing = 0;
// Add game screens here. The first one to be added will be the active screen.
manager.Add(new MenuScreen(), "MainMenu");
manager.Add(new WorldMatrixDemo(), "WorldMatrixDemo");
manager.Add(new IntegrationDemo(), "IntegrationDemo");
manager.Add(new InterpolationDemo(), "InterpolationDemo");
manager.Add(new OBBdemo(), "OBBDemo");
manager.InitializeAllScreens();
Window.Position = new Point(0, 0);
}