/// <summary>
/// This is called when the game should draw itself.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Draw(GameTime gameTime)
{
GraphicsDevice.Clear(Color.CornflowerBlue);
spriteBatch.Begin();
ballManager.Draw(spriteBatch);
spriteBatch.End();
// TODO: Add your drawing code here
base.Draw(gameTime);
}