public static void CheckAndFixCollisionWithBoarders(MovableBall ball, int height, int width)
{
if (ball.GetXCoordinate() < 0 || ball.GetXCoordinate() > width)
{
ball.SetXSpeed(ball.GetXSpeed() * -1);
}
if (ball.GetYCoordinate() < 0 || ball.GetYCoordinate() > height)
{
ball.SetYSpeed(ball.GetYSpeed() * -1);
}
}
private void DrawBall(MovableBall ball, Graphics graphics)
{
RectangleF rect = new RectangleF(ball.GetXCoordinate(), ball.GetYCoordinate(), ball.GetRadius(), ball.GetRadius());
graphics.DrawEllipse(blackPen, rect);
ball.Move();
}