用python写一个手机的赛车游戏

好的，我可以给你提供一个简单的思路和代码实现。

思路：

1. 导入 pygame 模块，创建窗口和游戏界面；
2. 加载赛车、障碍物和背景音乐；
3. 控制赛车左右移动和加速，随机生成障碍物；
4. 判断赛车是否与障碍物相撞或是否超过边界；
5. 计分并显示在界面上；
6. 添加游戏结束的提示和重新开始按钮。

代码实现：

import pygame
import random

# 初始化 Pygame
pygame.init()

# 创建窗口和游戏界面
screen_width = 800
screen_height = 600
screen = pygame.display.set_mode((screen_width, screen_height))
pygame.display.set_caption("赛车游戏")

# 加载赛车和障碍物图片
car_img = pygame.image.load("car.png")
obstacle_img = pygame.image.load("obstacle.png")

# 加载背景音乐
pygame.mixer.music.load("background_music.mp3")
pygame.mixer.music.play(-1)

# 创建赛车和障碍物的类
class Car:
    def __init__(self):
        self.image = car_img
        self.width = self.image.get_width()
        self.height = self.image.get_height()
        self.x = (screen_width - self.width) // 2
        self.y = screen_height - self.height - 50
        self.speed = 0
        
    def move_left(self):
        if self.x > 0:
            self.x -= 10
            
    def move_right(self):
        if self.x + self.width < screen_width:
            self.x += 10
            
    def accelerate(self):
        self.speed += 1
        if self.speed > 5:
            self.speed = 5
            
    def decelerate(self):
        self.speed -= 1
        if self.speed < 0:
            self.speed = 0
            
    def draw(self):
        screen.blit(self.image, (self.x, self.y))
        
class Obstacle:
    def __init__(self):
        self.image = obstacle_img
        self.width = self.image.get_width()
        self.height = self.image.get_height()
        self.x = random.randint(0, screen_width - self.width)
        self.y = 0
        self.speed = random.randint(1, 3)
        
    def move(self):
        self.y += self.speed
        
    def draw(self):
        screen.blit(self.image, (self.x, self.y))

# 创建赛车和障碍物的实例
car = Car()
obstacles = []

# 设置游戏结束的标志
game_over = False

# 设置得分和字体
score = 0
font = pygame.font.Font(None, 36)

# 游戏循环
while not game_over:
    # 处理事件
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            game_over = True
        elif event.type == pygame.KEYDOWN:
            if event.key == pygame.K_LEFT:
                car.move_left()
            elif event.key == pygame.K_RIGHT:
                car.move_right()
            elif event.key == pygame.K_UP:
                car.accelerate()
            elif event.key == pygame.K_DOWN:
                car.decelerate()
                
    # 清空屏幕
    screen.fill((255, 255, 255))
    
    # 绘制赛车和障碍物
    car.draw()
    for obstacle in obstacles:
        obstacle.move()
        obstacle.draw()
        
    # 删除超出屏幕的障碍物
    for obstacle in obstacles:
        if obstacle.y > screen_height:
            obstacles.remove(obstacle)
            
    # 随机生成障碍物
    if random.randint(1, 100) == 1:
        obstacles.append(Obstacle())
        
    # 判断赛车是否与障碍物相撞
    for obstacle in obstacles:
        if car.x + car.width > obstacle.x and car.x < obstacle.x + obstacle.width and car.y + car.height > obstacle.y and car.y < obstacle.y + obstacle.height:
            game_over = True
            
    # 判断赛车是否超过边界
    if car.x < 0 or car.x + car.width > screen_width:
        game_over = True
        
    # 计分并显示在界面上
    score += 1
    score_text = font.render("得分：" + str(score), True, (0, 0, 0))
    screen.blit(score_text, (10, 10))
    
    # 更新屏幕
    pygame.display.update()
    
# 游戏结束后显示提示和重新开始按钮
font = pygame.font.Font(None, 72)
game_over_text = font.render("游戏结束", True, (255, 0, 0))
restart_text = font.render("重新开始", True, (0, 0, 255))
game_over_rect = game_over_text.get_rect(center=(screen_width//2, screen_height//2-50))
restart_rect = restart_text.get_rect(center=(screen_width//2, screen_height//2+50))

while True:
    # 处理事件
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()
            quit()
        elif event.type == pygame.MOUSEBUTTONDOWN:
            mouse_pos = pygame.mouse.get_pos()
            if restart_rect.collidepoint(mouse_pos):
                game_over = False
                score = 0
                car = Car()
                obstacles = []
                
    # 清空屏幕
    screen.fill((255, 255, 255))
    
    # 显示提示和重新开始按钮
    screen.blit(game_over_text, game_over_rect)
    screen.blit(restart_text, restart_rect)
    pygame.display.update()

这是一个简单的赛车游戏，你可以根据自己的需求进行修改和扩展。