Pong!

// Pong.boo// A Pong implementation using BooGame// To run, drag ontop of BooPlayer, or run BooPlayer BooPlayerPong.boo// By: Rob Loach (http://www.robloach.net)import BooGameimport System.Drawingpublic class Pong:   static font = BooGame.Font(FontFamily.GenericMonospace, 30, FontStyle.Bold)   static player1score = 0   static player2score = 0      static player1 = RectangleF(20, Display.Height / 2f - 25,10,100)   static player2 = RectangleF(Display.Width - 30, Display.Height / 2f - 25, 10, 100)   static ball = Circle(Display.Width / 2f, Display.Height / 2f, 15)      static ballSpeed = Vector(250, -350)   static originalBallSpeed = ballSpeed.Length   static playerSpeed = 300      static def Draw():      // Draw the score and players and the ball      font.Print(player1score + ' : ' + player2score, Color.White, Display.Width / 2f, 0f, ContentAlignment.TopCenter)      Paint.FilledRectangle(player1, Color.White)      Paint.FilledRectangle(player2, Color.White)      Paint.FilledCircle(ball, Color.White)   static def Update():      // Move the ball      ball.X += ballSpeed.X * Timer.DeltaSeconds      ball.Y += ballSpeed.Y * Timer.DeltaSeconds            // Move the players      if Keyboard.IsKeyDown(Keys.UpArrow):         player1.Y -= playerSpeed * Timer.DeltaSeconds      elif Keyboard.IsKeyDown(Keys.DownArrow):         player1.Y += playerSpeed * Timer.DeltaSeconds               if ballSpeed.X > 0:         if ball.Y < player2.Y + player2.Height / 2f:            player2.Y -= playerSpeed * Timer.DeltaSeconds         elif ball.Y > player2.Y + player2.Height / 2f:            player2.Y += playerSpeed * Timer.DeltaSeconds            // Bound players and ball on screen      if player1.Y < 0:         player1.Y = 0         player1Speed = 0      if player1.Y + player1.Height > Display.Height:         player1.Y = Display.Height - player1.Height         player1Speed = 0      if player2.Y < 0:         player2.Y = 0         player2Speed = 0      if player2.Y + player2.Height > Display.Height:         player2.Y = Display.Height - player2.Height         player2Speed = 0            if ball.Top <= 0 and ballSpeed.Y < 0:         ballSpeed = ballSpeed.Reflection(90)      if ball.Bottom >= Display.Height and ballSpeed.Y > 0:         ballSpeed = ballSpeed.Reflection(90)      if ball.Right < 0:         player1score++         ball.Location = PointF(Display.Width / 2f, Display.Height / 2f)         ballSpeed.X *= -1         ballSpeed.Length = originalBallSpeed      elif ball.Left > Display.Width:         player2score++         ball.Location = PointF(Display.Width / 2f, Display.Height / 2f)         ballSpeed.X *= -1         ballSpeed.Length = originalBallSpeed               // Check collisions      if ballSpeed.X > 0:         if ball.Rectangle.IntersectsWith(player2):            ballSpeed = ballSpeed.Reflection(0)            ballSpeed.Length += 15f      elif ballSpeed.X < 0:         if ball.Rectangle.IntersectsWith(player1):            ballSpeed = ballSpeed.Reflection(0)            ballSpeed.Length += 15f      static def KeyDown(obj, e as KeyboardEventArgs):      if e.Key == Keys.Escape:         Core.QuitApplication()   static def Main():      Display.WindowCaption = 'BooGame - Pong!'      Display.ClearColor = Color.Black      Core.Draw += Draw      Core.Update += Update      Keyboard.KeyDown += KeyDown