Untitled

protected override void Update(GameTime gameTime)
        {
            // Allows the default game to exit on Xbox 360 and Windows
            if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)
                this.Exit();

            //Update our Mouse
            UpdateMouse();

            //Update our Ball
            UpdateBall();

            base.Update(gameTime);
        }

        protected void UpdateMouse()
        {
            mouseState      = Mouse.GetState();
            mousePosition.X = mouseState.X;
            mousePosition.Y = mouseState.Y;

            // Restrict the Mouse so that it stays inside the current display
            if (mousePosition.X < 0)
                mousePosition.X = 0;
            if (mousePosition.X > Window.ClientBounds.Width)
                mousePosition.X = Window.ClientBounds.Width;
            if (mousePosition.Y < 0)
                mousePosition.Y = 0;
            if (mousePosition.Y > Window.ClientBounds.Height)
                mousePosition.Y = Window.ClientBounds.Height;
        }

        protected void UpdateBall()
        {
            Rectangle balBox   = new Rectangle((int)ballPosition.X, (int)ballPosition.Y, ballTexture.Height, ballTexture.Width);
            Rectangle mouseBox = new Rectangle((int)mousePosition.X, (int)mousePosition.Y, mousePointer.Width, mousePointer.Height);

            if ( Intersect(balBox,mouseBox) )
            {
                if (mouseState.LeftButton == ButtonState.Pressed)
                {
                    int difference = (int) (mousePosition.X - ballPosition.X);

                    if (difference > 0)
                    {
                        ballPosition.X = mousePosition.X - difference;
                    }
                    else
                    {
                        ballPosition.X = mousePosition.X + difference;
                    }
                }
            }
        }

        public static bool Intersect(Rectangle rectangle1, Rectangle rectangle2)
        {
            if (((rectangle1.X < (rectangle2.X + rectangle2.Width))
              && (rectangle2.X < (rectangle1.X + rectangle1.Width)))
              && (rectangle1.Y < (rectangle2.Y + rectangle2.Height)))
            {
                return (rectangle2.Y < (rectangle1.Y + rectangle1.Height));
            }
            return false;
        }