用python写一个贪吃蛇的程序能运行能用键盘控制

1.源码

开发库使用：pygame random
直接在终端运行：pip install pygame
pycharm安装库：文件-设置-项目-Python 解释器

import pygame
import random

# 游戏窗口尺寸
window_width = 640
window_height = 480

# 蛇身和食物大小
block_size = 20

# 初始化pygame
pygame.init()

# 创建游戏窗口
window = pygame.display.set_mode((window_width, window_height))
pygame.display.set_caption("贪吃蛇")

clock = pygame.time.Clock()

# 定义颜色
white = (255, 255, 255)
black = (0, 0, 0)
red = (255, 0, 0)

# 定义蛇类
class Snake:
    def __init__(self):
        self.body = [(window_width // 2, window_height // 2)]
        self.direction = "right"

    def move(self):
        x, y = self.body[0]

        if self.direction == "up":
            y -= block_size
        elif self.direction == "down":
            y += block_size
        elif self.direction == "left":
            x -= block_size
        elif self.direction == "right":
            x += block_size

        self.body.insert(0, (x, y))

    def change_direction(self, new_direction):
        if new_direction == "up" and self.direction != "down":
            self.direction = new_direction
        elif new_direction == "down" and self.direction != "up":
            self.direction = new_direction
        elif new_direction == "left" and self.direction != "right":
            self.direction = new_direction
        elif new_direction == "right" and self.direction != "left":
            self.direction = new_direction

    def draw(self):
        for x, y in self.body:
            pygame.draw.rect(window, white, (x, y, block_size, block_size))

# 定义食物类
class Food:
    def __init__(self):
        self.position = self.generate_food_position()

    def generate_food_position(self):
        x = random.randint(0, (window_width - block_size) // block_size) * block_size
        y = random.randint(0, (window_height - block_size) // block_size) * block_size
        return x, y

    def draw(self):
        x, y = self.position
        pygame.draw.rect(window, red, (x, y, block_size, block_size))

    def check_collision(self, snake):
        return snake.body[0] == self.position

# 创建蛇和食物对象
snake = Snake()
food = Food()

game_over = False

# 游戏主循环
while not game_over:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            game_over = True
        elif event.type == pygame.KEYDOWN:
            if event.key == pygame.K_UP:
                snake.change_direction("up")
            elif event.key == pygame.K_DOWN:
                snake.change_direction("down")
            elif event.key == pygame.K_LEFT:
                snake.change_direction("left")
            elif event.key == pygame.K_RIGHT:
                snake.change_direction("right")

    snake.move()

    if food.check_collision(snake):
        food.position = food.generate_food_position()
    else:
        snake.body.pop()

    window.fill(black)

    snake.draw()
    food.draw()

    pygame.display.update()
    clock.tick(10)

# 退出游戏
pygame.quit()
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2.运行效果