public override void Draw(GraphicsDeviceManager graphics, GameTime gameTime)
{
Color color = new Color(80, 40, 40);
graphics.GraphicsDevice.Clear(color);
backgroundPlanets.Draw(graphics, gameTime);
backgroundAsteroids.Draw(graphics, gameTime);
asteroids.Draw(graphics, gameTime);
bullets.Draw(graphics);
//aircrafts.Draw(graphics, gameTime);
pilots.Draw(graphics, gameTime);
}