from myro import *

__AUTHOR__ = "Lisa Meeden"
__VERSION__ = "1.0.0"

class Game:
  """
  A simple example of using a game pad to create a video game.  This is
  a one-sided Pong-like game where the user controls a racquet by moving
  it vertically to contact a ball that is bouncing against the walls.
  If the ball gets beyond the racquet the game ends.
  """
  def __init__(self):
    """
    Initializes the graphics window, draws the racquet, draws the ball,
    and randomly determines the balls motion.
    """
    self.w = GraphWin("Game", 400, 300)
    self.ball = Circle(Point(150,150), 15)
    self.ball.setFill("red")
    self.ball.draw(self.w)
    self.ballDx = (pickOne(25) + 150) / 100.0
    self.ballDy = (pickOne(25) + 150) / 100.0
    self.racquet = Rectangle(Point(370,100), Point(380,150))
    self.racquet.setFill("black")
    self.racquet.draw(self.w)
    self.hits = 0
    self.level = 0

  def checkRacquet(self):
    """
    Checks if the ball is contacting the racquet.  If so, it moves the
    ball in the opposite direction until the ball is no longer touching
    the racquet.  Every 5 times the ball is hit, increase the ball's
    speed slightly.
    """
    ballPos = self.ball.getCenter()
    ballRad = self.ball.getRadius()
    racquetP1 = self.racquet.getP1()
    racquetP2 = self.racquet.getP2()
    ballRightEdge = ballPos.getX() + ballRad
    if racquetP1.getX() <= ballRightEdge <= racquetP2.getX():
       if racquetP1.getY()-ballRad<=ballPos.getY()<=racquetP2.getY()+ballRad:
         self.hits += 1
         self.ballDx *= -1
         while self.ball.getCenter().getX() + ballRad >= racquetP1.getX():
           self.ball.move(self.ballDx, self.ballDy)
         if self.hits % 5 == 0:
           self.ballDx *= 1.1
           self.ballDy *= 1.1
           self.level += 1
           print "Level:", self.level

  def checkWalls(self):
    """
    Checks if the ball is contacting a wall.  If so, it moves the ball
    in the opposite direction.
    """
    ballPos = self.ball.getCenter()
    ballRad = self.ball.getRadius()
    if ballPos.getY() - ballRad <= 0 or \
       ballPos.getY() + ballRad >= self.w.getHeight():
      self.ballDy *= -1
    if ballPos.getX() - ballRad <= 0:
      self.ballDx *= -1
    self.ball.move(self.ballDx, self.ballDy)

  def racquetAtBottom(self):
    """
    Checks if the racquet is at the bottom of the window.
    """
    return self.racquet.getP2().getY() >= self.w.getHeight()

  def racquetAtTop(self):
    """
    Checks if the racquet is at the top of the window.
    """
    return self.racquet.getP1().getY() <= 0

  def gameOver(self):
    """
    Checks if the ball has passed to the right of the racquet.
    """
    return self.ball.getCenter().getX() > self.racquet.getP2().getX()

  def play(self):
    """
    As long as the ball is still to the left of the racquet, allow
    the user to move the racquet, then update the balls position.
    """
    while not self.gameOver():
      racquetDx, racquetDy = getGamepadNow("axis")
      if self.racquetAtBottom() and racquetDy > 0:
        pass
      elif self.racquetAtTop() and racquetDy < 0:
        pass
      else:
        self.racquet.move(0, racquetDy * 5)

      self.checkWalls()
      self.checkRacquet()
      wait(0.01)
    
    self.w.close()
    print "You hit the ball", self.hits, "times."

if __name__ == '__main__':
  g = Game()
  g.play()