Python如何实现打乒乓小游戏

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源码奉上：

import sysimport cfgimport pygamefrom modules import *  '''定义按钮'''def Button(screen, position, text, button_size=(200, 50)):    left, top = position    bwidth, bheight = button_size    pygame.draw.line(screen, (150, 150, 150), (left, top), (left+bwidth, top), 5)    pygame.draw.line(screen, (150, 150, 150), (left, top-2), (left, top+bheight), 5)    pygame.draw.line(screen, (50, 50, 50), (left, top+bheight), (left+bwidth, top+bheight), 5)    pygame.draw.line(screen, (50, 50, 50), (left+bwidth, top+bheight), (left+bwidth, top), 5)    pygame.draw.rect(screen, (100, 100, 100), (left, top, bwidth, bheight))    font = pygame.font.Font(cfg.FONTPATH, 30)    text_render = font.render(text, 1, (255, 235, 205))    return screen.blit(text_render, (left+50, top+10))  '''Function:    开始界面Input:    --screen: 游戏界面Return:    --game_mode: 1(单人模式)/2(双人模式)'''def startInterface(screen):    clock = pygame.time.Clock()    while True:        screen.fill((41, 36, 33))        button_1 = Button(screen, (150, 175), '1 Player')        button_2 = Button(screen, (150, 275), '2 Player')        for event in pygame.event.get():            if event.type == pygame.QUIT:                pygame.quit()                sys.exit()            if event.type == pygame.MOUSEBUTTONDOWN:                if button_1.collidepoint(pygame.mouse.get_pos()):                    return 1                elif button_2.collidepoint(pygame.mouse.get_pos()):                    return 2        clock.tick(10)        pygame.display.update()  '''结束界面'''def endInterface(screen, score_left, score_right):    clock = pygame.time.Clock()    font1 = pygame.font.Font(cfg.FONTPATH, 30)    font2 = pygame.font.Font(cfg.FONTPATH, 20)    msg = 'Player on left won!' if score_left > score_right else 'Player on right won!'    texts = [font1.render(msg, True, cfg.WHITE),            font2.render('Press ESCAPE to quit.', True, cfg.WHITE),            font2.render('Press ENTER to continue or play again.', True, cfg.WHITE)]    positions = [[120, 200], [155, 270], [80, 300]]    while True:        screen.fill((41, 36, 33))        for event in pygame.event.get():            if event.type == pygame.QUIT:                pygame.quit()                sys.exit()            if event.type == pygame.KEYDOWN:                if event.key == pygame.K_RETURN:                    return                elif event.key == pygame.K_ESCAPE:                    sys.exit()                    pygame.quit()        for text, pos in zip(texts, positions):            screen.blit(text, pos)        clock.tick(10)        pygame.display.update()  '''运行游戏Demo'''def runDemo(screen):    # 加载游戏素材    hit_sound = pygame.mixer.Sound(cfg.HITSOUNDPATH)    goal_sound = pygame.mixer.Sound(cfg.GOALSOUNDPATH)    pygame.mixer.music.load(cfg.BGMPATH)    pygame.mixer.music.play(-1, 0.0)    font = pygame.font.Font(cfg.FONTPATH, 50)    # 开始界面    game_mode = startInterface(screen)    # 游戏主循环    # --左边球拍(ws控制, 仅双人模式时可控制)    score_left = 0    racket_left = Racket(cfg.RACKETPICPATH, 'LEFT', cfg)    # --右边球拍(↑↓控制)    score_right = 0    racket_right = Racket(cfg.RACKETPICPATH, 'RIGHT', cfg)    # --球    ball = Ball(cfg.BALLPICPATH, cfg)    clock = pygame.time.Clock()    while True:        for event in pygame.event.get():            if event.type == pygame.QUIT:                pygame.quit()                sys.exit(-1)        screen.fill((41, 36, 33))        # 玩家操作        pressed_keys = pygame.key.get_pressed()        if pressed_keys[pygame.K_UP]:            racket_right.move('UP')        elif pressed_keys[pygame.K_DOWN]:            racket_right.move('DOWN')        if game_mode == 2:            if pressed_keys[pygame.K_w]:                racket_left.move('UP')            elif pressed_keys[pygame.K_s]:                racket_left.move('DOWN')        else:            racket_left.automove(ball)        # 球运动        scores = ball.move(ball, racket_left, racket_right, hit_sound, goal_sound)        score_left += scores[0]        score_right += scores[1]        # 显示        # --分隔线        pygame.draw.rect(screen, cfg.WHITE, (247, 0, 6, 500))        # --球        ball.draw(screen)        # --拍        racket_left.draw(screen)        racket_right.draw(screen)        # --得分        screen.blit(font.render(str(score_left), False, cfg.WHITE), (150, 10))        screen.blit(font.render(str(score_right), False, cfg.WHITE), (300, 10))        if score_left == 11 or score_right == 11:            return score_left, score_right        clock.tick(100)        pygame.display.update()  '''主函数'''def main():    # 初始化    pygame.init()    pygame.mixer.init()    screen = pygame.display.set_mode((cfg.WIDTH, cfg.HEIGHT))    pygame.display.set_caption('pingpong -- 九歌')    # 开始游戏    while True:        score_left, score_right = runDemo(screen)        endInterface(screen, score_left, score_right)  '''run'''if __name__ == '__main__':    main()

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