python实战演练之鸡尾酒舞游戏

```bash
pip install pygame
```

```python
import pygame
import sys
import random
# 初始化pygame
pygame.init()
# 设置屏幕大小
screen_width = 800
screen_height = 600
screen = pygame.display.set_mode((screen_width, screen_height))
# 设置标题
pygame.display.set_caption("鸡尾酒舞游戏")
# 定义角色类
class Player(pygame.sprite.Sprite):
    def __init__(self):
        super().__init__()
        self.image = pygame.Surface((50, 50))
        self.image.fill((255, 0, 0))
        self.rect = self.image.get_rect()
        self.rect.x = screen_width // 2 - 25
        self.rect.y = screen_height - 100
        self.speed = 5
    def update(self):
        keys = pygame.key.get_pressed()
        if keys[pygame.K_LEFT]:
            self.rect.x -= self.speed
        if keys[pygame.K_RIGHT]:
            self.rect.x += self.speed
# 创建角色对象
player = Player()
# 创建障碍物类
class Obstacle(pygame.sprite.Sprite):
    def __init__(self):
        super().__init__()
        self.image = pygame.Surface((50, 50))
        self.image.fill((0, 255, 0))
        self.rect = self.image.get_rect()
        self.rect.x = random.randint(0, screen_width - 50)
        self.rect.y = -50
        self.speed = 5
    def update(self):
        self.rect.y += self.speed
        if self.rect.y > screen_height:
            self.rect.y = -50
            self.rect.x = random.randint(0, screen_width - 50)
# 创建障碍物对象列表
obstacles = pygame.sprite.Group()
for i in range(5):
    obstacles.add(Obstacle())
# 游戏主循环
while True:
    # 处理事件
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()
            sys.exit()
    # 更新角色和障碍物位置
    player.update()
    obstacles.update()
    # 检测碰撞
    if pygame.sprite.collide_rect(player, obstacles):
        print("游戏结束！")
        pygame.quit()
        sys.exit()
    # 绘制背景、角色和障碍物
    screen.fill((0, 0, 0))
    screen.blit(player.image, player.rect)
    obstacles.draw(screen)
    # 更新屏幕
    pygame.display.flip()
    # 控制帧率
    pygame.time.Clock().tick(30)
```