class Game():
WHITE = (255, 255, 255)
def __init__(self):
pygame.init()
self.WIDTH = 640
self.HEIGHT = 480
self.screen = Screen(self.WIDTH, self.HEIGHT)
self.screen.caption("Squash game")
self.clock = pygame.time.Clock()
self.FPS = 30
RED = (255, 0, 0)
START = (randint(0, self.WIDTH - 1), 0)
self.ball = Ball(self.screen.surface, color=RED, start=START)
left = self.WIDTH // 2
top = self.HEIGHT - 50
self.racket = Racket(self.screen.surface, left=left, top=top)
xpos = left
ypos = self.HEIGHT // 2
YELLOW = (255, 255, 0)
self.msg_gover = Message( self.screen.surface, 'Game Over!!',\
xpos, ypos, color=YELLOW )
pygame.key.set_repeat(10, 10)
def fine(self):
pygame.quit()
sys.exit()
def key_event(self):
for event in pygame.event.get():
if event.type == QUIT:
self.fine()
elif event.type == KEYDOWN:
if event.key == K_LEFT and self.racket.left > 0:
self.racket.movex(-3)
elif event.key == K_RIGHT and self.racket.right < self.WIDTH:
self.racket.movex(3)
def hitted(self, racket, ball):
if racket.colliderect(ball):
ball.dir = -(90 +
(racket.centerx - ball.centerx) / racket.width * 100)
def boundary(self, ball):
if not (0 < ball.centerx < self.WIDTH):
ball.dir = 180 - ball.dir
if ball.centery < 0:
ball.dir = -ball.dir
if self.HEIGHT < ball.centery:
ball.stop_ball()
self.msg_gover.display()
def start(self):
game_over = False
while not game_over:
self.key_event()
self.screen.fill(Game.WHITE)
self.ball.draw()
self.racket.draw()
self.hitted(self.racket, self.ball)
self.boundary(self.ball)
self.ball.movexy()
pygame.display.update()
self.clock.tick(self.FPS)
