Python写一款游戏小脚本究竟有多简单。给我五分钟教你写飞机大战。
前言
学习贵在坚持：小编之前在学习中，看到了很多有趣的小游戏，希望大家喜欢！这个飞机大战
的小程序的话刚做的比较粗糙哈，之后会继续优化，目前就分享下给大家！
正文
Show Time
Nov 1）背景环境
开发工具—Python版本：3.6.4
相关模块：Pygame模块；
环境搭建：安装Python并添加到环境变量，pip安装需要的相关模块即可。
Nov 2）代码演示
游戏界面：
'''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)
配置一些文件如背景图片等：
'''屏幕大小'''
SCREENSIZE = (956, 560)
'''字体路径'''
FONTPATH = os.path.join(os.getcwd(), 'resources/font/simkai.ttf')
'''图片路径'''
IMAGEPATHS = {
'asteroid': os.path.join(os.getcwd(), 'resources/images/asteroid.png'),
'bg_big': os.path.join(os.getcwd(), 'resources/images/bg_big.png'),
'bullet': os.path.join(os.getcwd(), 'resources/images/bullet.png'),
'seamless_space': os.path.join(os.getcwd(), 'resources/images/seamless_space.png'),
'ship': os.path.join(os.getcwd(), 'resources/images/ship.png'),
'ship_exploded': os.path.join(os.getcwd(), 'resources/images/ship_exploded.png'),
'space3': os.path.join(os.getcwd(), 'resources/images/space3.jpg'),
}
'''声音路径'''
SOUNDPATHS = {
'boom': os.path.join(os.getcwd(), 'resources/sounds/boom.wav'),
'Cool Space Music': os.path.join(os.getcwd(), 'resources/sounds/Cool Space Music.mp3'),
'shot': os.path.join(os.getcwd(), 'resources/sounds/shot.ogg'),
}
定义子弹、飞船等：
'''子弹'''
class Bullet(pygame.sprite.Sprite):
def __init__(self, idx, position, cfg):
pygame.sprite.Sprite.__init__(self)
self.image = pygame.image.load(cfg.IMAGEPATHS['bullet']).convert_alpha()
self.image = pygame.transform.scale(self.image, (10, 10))
# 位置
self.rect = self.image.get_rect()
self.rect.left, self.rect.top = position
self.position = position
# 速度
self.speed = 8
# 玩家编号
self.player_idx = idx
'''移动子弹'''
def move(self):
self.position = self.position[0], self.position[1] - self.speed
self.rect.left, self.rect.top = self.position
'''画子弹'''
def draw(self, screen):
screen.blit(self.image, self.rect)
'''小行星'''
class Asteroid(pygame.sprite.Sprite):
def __init__(self, cfg):
pygame.sprite.Sprite.__init__(self)
self.image = pygame.image.load(cfg.IMAGEPATHS['asteroid']).convert_alpha()
# 位置
self.rect = self.image.get_rect()
self.position = (random.randrange(20, cfg.SCREENSIZE[0] - 20), -64)
self.rect.left, self.rect.top = self.position
# 速度
self.speed = random.randrange(3, 9)
self.angle = 0
self.angular_velocity = random.randrange(1, 5)
self.rotate_ticks = 3
'''移动小行星'''
def move(self):
self.position = self.position[0], self.position[1] + self.speed
self.rect.left, self.rect.top = self.position
'''转动小行星'''
def rotate(self):
self.rotate_ticks -= 1
if self.rotate_ticks == 0:
self.angle = (self.angle + self.angular_velocity) % 360
orig_rect = self.image.get_rect()
rot_image = pygame.transform.rotate(self.image, self.angle)
rot_rect = orig_rect.copy()
rot_rect.center = rot_image.get_rect().center
rot_image = rot_image.subsurface(rot_rect).copy()
self.image = rot_image
self.rotate_ticks = 3
'''画小行星'''
def draw(self, screen):
screen.blit(self.image, self.rect)
'''飞船'''
class Ship(pygame.sprite.Sprite):
def __init__(self, idx, cfg):
pygame.sprite.Sprite.__init__(self)
self.cfg = cfg
self.image = pygame.image.load(cfg.IMAGEPATHS['ship']).convert_alpha()
self.explode_image = pygame.image.load(cfg.IMAGEPATHS['ship_exploded']).convert_alpha()
# 位置
self.position = {'x': random.randrange(-10, 918), 'y': random.randrange(-10, 520)}
self.rect = self.image.get_rect()
self.rect.left, self.rect.top = self.position['x'], self.position['y']
# 速度
self.speed = {'x': 10, 'y': 5}
# 玩家编号
self.player_idx = idx
# 子弹冷却时间
self.cooling_time = 0
# 爆炸用
self.explode_step = 0
'''飞船爆炸'''
def explode(self, screen):
img = self.explode_image.subsurface((48 * (self.explode_step - 1), 0), (48, 48))
screen.blit(img, (self.position['x'], self.position['y']))
self.explode_step += 1
'''移动飞船'''
def move(self, direction):
if direction == 'left':
self.position['x'] = max(-self.speed['x'] + self.position['x'], -10)
elif direction == 'right':
self.position['x'] = min(self.speed['x'] + self.position['x'], 918)
elif direction == 'up':
self.position['y'] = max(-self.speed['y'] + self.position['y'], -10)
elif direction == 'down':
self.position['y'] = min(self.speed['y'] + self.position['y'], 520)
self.rect.left, self.rect.top = self.position['x'], self.position['y']
'''画飞船'''
def draw(self, screen):
screen.blit(self.image, self.rect)
'''射击'''
def shot(self):
return Bullet(self.player_idx, (self.rect.center[0] - 5, self.position['y'] - 5), self.cfg)
游戏开始、结束界面：
'''开始界面'''
def StartInterface(screen, cfg):
clock = pygame.time.Clock()
while True:
button_1 = Button(screen, (330, 190), '单人模式', cfg)
button_2 = Button(screen, (330, 305), '双人模式', cfg)
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(60)
pygame.display.update()
'''结束界面'''
def EndInterface(screen, cfg):
clock = pygame.time.Clock()
while True:
button_1 = Button(screen, (330, 190), '重新开始', cfg)
button_2 = Button(screen, (330, 305), '退出游戏', cfg)
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
elif button_2.collidepoint(pygame.mouse.get_pos()):
pygame.quit()
sys.exit()
clock.tick(60)
pygame.display.update()
Nov 4）展示效果
手把手教你使用Python开发飞机大战小游戏（含源码）
小结
简易版本的飞机大战就写到这里结束了，有没有想现在就动手自己玩一下滴
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