Python制作游戏——空战

 原码分享：

 import sys  
import cfg  
import pygame  
from modules import *  
   
   
'''游戏界面'''  
def GamingInterface(num_player, screen):  
    # 初始化  
    pygame.mixer.music.load(cfg.SOUNDPATHS['Cool Space Music'])  
    pygame.mixer.music.set_volume(0.4)  
    pygame.mixer.music.play(-1)  
    explosion_sound = pygame.mixer.Sound(cfg.SOUNDPATHS['boom'])  
    fire_sound = pygame.mixer.Sound(cfg.SOUNDPATHS['shot'])  
    font = pygame.font.Font(cfg.FONTPATH, 20)  
    # 游戏背景图  
    bg_imgs = [cfg.IMAGEPATHS['bg_big'], cfg.IMAGEPATHS['seamless_space'], cfg.IMAGEPATHS['space3']]  
    bg_move_dis = 0  
    bg_1 = pygame.image.load(bg_imgs[0]).convert()  
    bg_2 = pygame.image.load(bg_imgs[1]).convert()  
    bg_3 = pygame.image.load(bg_imgs[2]).convert()  
    # 玩家, 子弹和小行星精灵组  
    player_group = pygame.sprite.Group()  
    bullet_group = pygame.sprite.Group()  
    asteroid_group = pygame.sprite.Group()  
    # 产生小行星的时间间隔  
    asteroid_ticks = 90  
    for i in range(num_player):  
        player_group.add(Ship(i+1, cfg))  
    clock = pygame.time.Clock()  
    # 分数  
    score_1, score_2 = 0, 0  
    # 游戏主循环  
    while True:  
        for event in pygame.event.get():  
            if event.type == pygame.QUIT:  
                pygame.quit()  
                sys.exit()  
        # --玩家一: ↑↓←→控制, j射击; 玩家二: wsad控制, 空格射击  
        pressed_keys = pygame.key.get_pressed()  
        for idx, player in enumerate(player_group):  
            direction = None  
            if idx == 0:  
                if pressed_keys[pygame.K_UP]:  
                    direction = 'up'  
                elif pressed_keys[pygame.K_DOWN]:  
                    direction = 'down'  
                elif pressed_keys[pygame.K_LEFT]:  
                    direction = 'left'  
                elif pressed_keys[pygame.K_RIGHT]:  
                    direction = 'right'  
                if direction:  
                    player.move(direction)  
                if pressed_keys[pygame.K_j]:  
                    if player.cooling_time == 0:  
                        fire_sound.play()  
                        bullet_group.add(player.shot())  
                        player.cooling_time = 20  
            elif idx == 1:  
                if pressed_keys[pygame.K_w]:  
                    direction = 'up'  
                elif pressed_keys[pygame.K_s]:  
                    direction = 'down'  
                elif pressed_keys[pygame.K_a]:  
                    direction = 'left'  
                elif pressed_keys[pygame.K_d]:  
                    direction = 'right'  
                if direction:  
                    player.move(direction)  
                if pressed_keys[pygame.K_SPACE]:  
                    if player.cooling_time == 0:  
                        fire_sound.play()  
                        bullet_group.add(player.shot())  
                        player.cooling_time = 20  
            if player.cooling_time > 0:  
                player.cooling_time -= 1  
        if (score_1 + score_2) < 500:  
            background = bg_1  
        elif (score_1 + score_2) < 1500:  
            background = bg_2  
        else:  
            background = bg_3  
        # --向下移动背景图实现飞船向上移动的效果  
        screen.blit(background, (0, -background.get_rect().height + bg_move_dis))  
        screen.blit(background, (0, bg_move_dis))  
        bg_move_dis = (bg_move_dis + 2) % background.get_rect().height  
        # --生成小行星  
        if asteroid_ticks == 0:  
            asteroid_ticks = 90  
            asteroid_group.add(Asteroid(cfg))  
        else:  
            asteroid_ticks -= 1  
        # --画飞船  
        for player in player_group:  
            if pygame.sprite.spritecollide(player, asteroid_group, True, None):  
                player.explode_step = 1  
                explosion_sound.play()  
            elif player.explode_step > 0:  
                if player.explode_step > 3:  
                    player_group.remove(player)  
                    if len(player_group) == 0:  
                        return  
                else:  
                    player.explode(screen)  
            else:  
                player.draw(screen)  
        # --画子弹  
        for bullet in bullet_group:  
            bullet.move()  
            if pygame.sprite.spritecollide(bullet, asteroid_group, True, None):  
                bullet_group.remove(bullet)  
                if bullet.player_idx == 1:  
                    score_1 += 1  
                else:  
                    score_2 += 1  
            else:  
                bullet.draw(screen)  
        # --画小行星  
        for asteroid in asteroid_group:  
            asteroid.move()  
            asteroid.rotate()  
            asteroid.draw(screen)  
        # --显示分数  
        score_1_text = '玩家一得分: %s' % score_1  
        score_2_text = '玩家二得分: %s' % score_2  
        text_1 = font.render(score_1_text, True, (0, 0, 255))  
        text_2 = font.render(score_2_text, True, (255, 0, 0))  
        screen.blit(text_1, (2, 5))  
        screen.blit(text_2, (2, 35))  
        # --屏幕刷新  
        pygame.display.update()  
        clock.tick(60)  
   
   
'''主函数'''  
def main():  
    pygame.init()  
    pygame.font.init()  
    pygame.mixer.init()  
    screen = pygame.display.set_mode(cfg.SCREENSIZE)  
    pygame.display.set_caption('飞机大战 —— 九歌')  
    num_player = StartInterface(screen, cfg)  
    if num_player == 1:  
        while True:  
            GamingInterface(num_player=1, screen=screen)  
            EndInterface(screen, cfg)  
    else:  
        while True:  
            GamingInterface(num_player=2, screen=screen)  
            EndInterface(screen, cfg)  
   
   
'''run'''  
if __name__ == '__main__':  
    main()