public void Draw(SpriteBatch spriteBatch, GraphicsDeviceManager graphics)
{
graphics.GraphicsDevice.Clear(Color.CornflowerBlue);
spriteBatch.Draw(background, new Vector2(0, 0), Color.White);
TennisBall.Draw(spriteBatch);
Panel.Draw(spriteBatch);
Panel1.Draw(spriteBatch);
Panel2.Draw(spriteBatch);
EndBlock.Draw(spriteBatch);
gui.Draw(spriteBatch);
spriteBatch.Draw(cursorTexture, cursorRectangle, Color.White);
}