protected override void Initialize()
{
// Create all Sprites objects
renderContext = new RenderContext();
scope = 0;
_background = new Background("Background");
_bird = new Bird("Bird", new Vector2(50, 350), 50, 79);
_land = new Land("Land", 142, this.GraphicsDevice.Viewport.Height);
_pipes = new PipeList("Pipe");
_font = new Font("Font", scope.ToString(), new Vector2(50, 125));
base.Initialize();
}