万年不更新的我又来更新了，今天闲的无聊的时候写了一段小游戏——贪吃蛇

相信大家一定玩过，没玩过的也不要紧，因为也有可能听过

以下是游戏本体：

import pygame
import random
from collections import deque

#初始化
pygame.init()
WIDTH, HEIGHT = 600, 400
CELL_SUZE = 20
COLS = WIDTH // CELL_SUZE
ROWS = HEIGHT // CELL_SUZE

screen = pygame.display.set_mode((WIDTH, HEIGHT))
pygame.display.set_caption("SmartSnake - 按A切换AI模式")
clock = pygame.time.Clock()

#颜色
WHITE = (225, 225, 225)
GREEN = (0, 200, 0)
RED = (200, 0, 0)
BLACK = (0, 0, 0)
DARK_GREEN = (0, 150, 0)

font = pygame.font,SysFont("simhei,", 24)

class SnakeGame:
    def __init__(self):
        self.reset()

    def reset(self):
        self.snake = deque([(5, ROWS//2)])
        self.direction = (1, 0)
        self.food = self.spawn_food()
        self.score = 0
        self.ai_mode = False

    def spawn_food(self):
        while True:
            pos = (random.randint(0, COLS-1), random.randint(0, ROWS-1))
            if pos not in self.snake:
                return pos

    def move(self, direction=None):
        if direction is None:
            direction = self.direction
        head = self.snake[0]
        new_head = (head[0] + direction[0], head[1] + direction[1])

        #撞墙检测
        if new_head[0] < 0 or new_head[0] >= COLS or new_head[1] < 0 or new_head[1] >= ROWS:
            return False

        #装自己
        if new_head in self.snake:
            return False

        self.snake.appendleft(new_head)
        if new_head == self.food:
            self.score += 1
            self.food = self.spawn_food()
        else:
            self.snake.pop()

        self.direction = direction
        return True

    def ai_move(self):
        head = self.snake[0]
        fx, fy = self.food

        #简单寻路：优先往食物方向走，避开障碍
        possible_dirs = []
        for dx, dy in [(1,0), (0,1), (-1,0), (0,-1)]:
            nx, ny = head[0]+dx, head[1]+dy
            if 0 <= nx < COLS and 0 <= ny < ROWS and (nx, ny) not in self.snake:
                #计算曼哈顿距离
                dist = abs(nx-fx) + abs(ny-fy)
                possible_dirs.append((dist, (dx, dy)))

            if not possible_dirs:
                #无路可走，随便动一下（会死）
                return self.move(self.direction)

            #选最近食物的方向
            possible_dirs.sort(key=lambda x: x[0])
            best_dir = possible_dirs[0][1]
            return self.move(best_dir)

    def draw(self):
        screen.fill(BLACK)
        #画蛇（吾的身体！！！！！！！！）ovo
        for i, seg in enumerate(self.snake):
            color = GREEN if i != 0 else DARK_GREEN
            rect = pygame.Rect(seg[0]*CELL_SUZE, seg[1]*CELL_SIZE, CELL_SIZE, CELL_SIZE)
            pygame.draw.rect(screen, RED, rect)
            pygame.draw.rect(screen, WHITE, rect, 1)

        #画食物（屎）
        rect = pygame.Rect(self.food[0]*CELL_SIZE, self.food[1]*CELL_SIZE, CELL_SIZE, CELL_SIZE)
        pygame.draw.rect(screen, RED, rect)
        pygame.draw.rect(screen, WHITE, rect, 1)

        #显示分数和模式
        mode_text = "AI" if self.ai_mode else "Manual"
        text = font.render(f"Score: {self.score} Mode: {mode_text}", Ture, WHITE)
        screen.blit(text, (10, 10))

def main():
    game = SnakeGame()
    running = True
    paused = False

    while running:
        clock.tick(8)   #速度

        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                running = False
            elif event.type == pygame.KEYDOWN:
                if event.key == pygame.K_a:
                    game.ai_move = not game.ai_move
                elif event.key == pygame.K_r:
                    game.reset()
                elif event.key == pygame.K_SPACE:
                    paused = not paused

                 #手动控制
                if not game.ai_mode and not paused:
                    if event.key == pygame.K_UP and game.direction != (0, 1):
                        game.direction = (0, -1)
                    elif event.key == pygame.K_DOWN and game.direction != (0, -1):
                        game.direction = (0, 1)
                    elif event.key == pygame.K_LEFT and game.direction != (1, 0):
                        game.direction = (-1, 0)
                    elif event.key == pygame.K_RIGHT and game.direction != (-1, 0):
                        game.direction = (1, 0)

        if not paused:
            if game.ai_mode:
                alive = game.ai_move()
            else:
                alive = game.move()

            if not alive:
                print(f"Game Over! Score: {game.score}")
                game.reset()

        game.draw()
        pygame.display.flip()

    pygame.quit()

if __name__ == "__main__":
    main()

复制粘贴即可，要改可以自己来改哦~

欧克，本篇文章结束~

可以在评论区和我的QQ群来讨论哦~

ps：需要pygame软件包