foreach (GameObject ball in shipList)
            {
                int MaxX = graphics.GraphicsDevice.Viewport.Width - ball.BoundingBox.Width;
                int MinX = 0;

                int MaxY = graphics.GraphicsDevice.Viewport.Height - ball.BoundingBox.Height;
                int MinY = 0;

                if (ball.Position.X > MaxX)
                {
                    ball.Position.X = MaxX;
                    ball.Velocity.X *= -1;
                }
                else if (ball.Position.X < MinX)
                {
                    ball.Position.X = MinX;
                    ball.Velocity.X *= -1;
                }

                if (ball.Position.Y > MaxY)
                {
                    ball.Position.Y = MaxY;
                    ball.Velocity.Y *= -1;
                }
                else if (ball.Position.Y < MinY)
                {
                    ball.Position.Y = MinY;
                    ball.Velocity.Y *= -1;
                }

                foreach (GameObject ball2 in shipList)
                {

                    if (ball != ball2)
                    {
                        if (ball.BoundingBox.Intersects(ball2.BoundingBox))
                        {


                            ball.Velocity.X *= -1;
                            ball.Velocity.Y *= -1;
                            ball2.Velocity.X *= -1;
                            ball2.Velocity.Y *= -1;
                        }

                    }
                }

            }