Python射击游戏代码

以下是一个简单的Python射击游戏代码，其中包括玩家、敌人和子弹类：

import pygame
import random

# 初始化pygame
pygame.init()

# 定义颜色
WHITE = (255, 255, 255)
BLACK = (0, 0, 0)
RED = (255, 0, 0)

# 设置屏幕大小
SCREEN_WIDTH = 480
SCREEN_HEIGHT = 600
screen = pygame.display.set_mode((SCREEN_WIDTH, SCREEN_HEIGHT))

# 加载图片
player_img = pygame.image.load("player.png").convert()
enemy_img = pygame.image.load("enemy.png").convert()
missile_img = pygame.image.load("missile.png").convert()

# 定义玩家类
class Player(pygame.sprite.Sprite):
    def __init__(self):
        pygame.sprite.Sprite.__init__(self)
        self.image = player_img
        self.image.set_colorkey(BLACK)
        self.rect = self.image.get_rect()
        self.rect.centerx = SCREEN_WIDTH / 2
        self.rect.bottom = SCREEN_HEIGHT - 10
        self.speedx = 0

    def update(self):
        self.speedx = 0
        keystate = pygame.key.get_pressed()
        if keystate[pygame.K_LEFT]:
            self.speedx = -5
        if keystate[pygame.K_RIGHT]:
            self.speedx = 5
        self.rect.x += self.speedx
        if self.rect.right > SCREEN_WIDTH:
            self.rect.right = SCREEN_WIDTH
        if self.rect.left < 0:
            self.rect.left = 0

    def shoot(self):
        missile = Missile(self.rect.centerx, self.rect.top)
        all_sprites.add(missile)
        missiles.add(missile)

# 定义敌人类
class Enemy(pygame.sprite.Sprite):
    def __init__(self):
        pygame.sprite.Sprite.__init__(self)
        self.image = enemy_img
        self.image.set_colorkey(BLACK)
        self.rect = self.image.get_rect()
        self.rect.x = random.randrange(SCREEN_WIDTH - self.rect.width)
        self.rect.y = random.randrange(-100, -40)
        self.speedy = random.randrange(1, 8)

    def update(self):
        self.rect.y += self.speedy
        if self.rect.top > SCREEN_HEIGHT + 10:
            self.rect.x = random.randrange(SCREEN_WIDTH - self.rect.width)
            self.rect.y = random.randrange(-100, -40)
            self.speedy = random.randrange(1, 8)

# 定义子弹类
class Missile(pygame.sprite.Sprite):
    def __init__(self, x, y):
        pygame.sprite.Sprite.__init__(self)
        self.image = missile_img
        self.image.set_colorkey(BLACK)
        self.rect = self.image.get_rect()
        self.rect.bottom = y
        self.rect.centerx = x
        self.speedy = -10

    def update(self):
        self.rect.y += self.speedy
        if self.rect.bottom < 0:
            self.kill()

# 创建精灵组
all_sprites = pygame.sprite.Group()
enemies = pygame.sprite.Group()
missiles = pygame.sprite.Group()

# 创建玩家
player = Player()
all_sprites.add(player)

# 创建敌人
for i in range(8):
    enemy = Enemy()
    all_sprites.add(enemy)
    enemies.add(enemy)

# 设置游戏循环
clock = pygame.time.Clock()
score = 0
running = True
while running:
    clock.tick(60)

    # 处理事件
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            running = False
        elif event.type == pygame.KEYDOWN:
            if event.key == pygame.K_SPACE:
                player.shoot()

    # 更新精灵组
    all_sprites.update()

    # 检测子弹是否击中敌人
    hits = pygame.sprite.groupcollide(enemies, missiles, True, True)
    for hit in hits:
        enemy = Enemy()
        all_sprites.add(enemy)
        enemies.add(enemy)
        score += 10

    # 检测敌人是否撞到玩家
    hits = pygame.sprite.spritecollide(player, enemies, False)
    if hits:
        running = False

    # 绘制屏幕
    screen.fill(WHITE)
    all_sprites.draw(screen)
    pygame.display.flip()

# 显示得分
font = pygame.font.Font(None, 36)
text = font.render("Score: " + str(score), True, RED)
text_rect = text.get_rect()
text_rect.centerx = screen.get_rect().centerx
text_rect.centery = screen.get_rect().centery + 24
screen.blit(text, text_rect)
pygame.display.flip()

# 延迟关闭窗口
pygame.time.delay(2000)

# 退出pygame
pygame.quit()