private void draw(MovingObject o)
{
b = new SolidBrush(o.getColor());
g.FillEllipse(b, (float)(o.getLocation().X - o.getRadius() + margin), (float)(o.getLocation().Y - o.getRadius() + margin),
(float)(o.getRadius() * 2), (float)(o.getRadius() * 2));
//g.DrawString(o.data.ToString(), new Font("Arial", 10), Brushes.White, o.getLocation());
}
public PointF getBallLocation()
{
return(ball.getLocation());
}