用python写一个你认为的贪吃蛇

用Python写一个贪吃蛇游戏（代码体量有一点点大，我相信你一定会看完的），使用Pygame库实现：

```

import pygame

import random

# 初始化Pygame

pygame.init()

# 设置窗口大小

screen_width = 800

screen_height = 600

screen = pygame.display.set_mode((screen_width, screen_height))

# 加载游戏资源

background_img = pygame.image.load('background.png').convert()

snake_head_img = pygame.image.load('snake_head.png').convert_alpha()

snake_body_img = pygame.image.load('snake_body.png').convert_alpha()

apple_img = pygame.image.load('apple.png').convert_alpha()

# 定义游戏元素

class Snake:

def __init__(self, x, y):

self.x = x

self.y = y

self.speed = 20

self.direction = 'right'

self.length = 3

self.body = [(self.x, self.y)]

self.img_head = snake_head_img

self.img_body = snake_body_img

self.rect_head = self.img_head.get_rect()

self.rect_body = self.img_body.get_rect()

def update(self):

if self.direction == 'right':

self.x += self.speed

elif self.direction == 'left':

self.x -= self.speed

elif self.direction == 'up':

self.y -= self.speed

elif self.direction == 'down':

self.y += self.speed

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

if len(self.body) > self.length:

self.body.pop()

self.rect_head.x = self.x

self.rect_head.y = self.y

def draw(self):

screen.blit(self.img_head, (self.x, self.y))

for x, y in self.body[1:]:

screen.blit(self.img_body, (x, y))

def eat_apple(self, apple):

if self.rect_head.colliderect(apple.rect):

self.length += 1

return True

return False

def check_collision(self):

if self.x < 0 or self.x > screen_width - self.rect_head.width:

return True

if self.y < 0 or self.y > screen_height - self.rect_head.height:

return True

for x, y in self.body[1:]:

if self.x == x and self.y == y:

return True

return False

class Apple:

def __init__(self, x, y):

self.x = x

self.y = y

self.img = apple_img

self.rect = self.img.get_rect()

self.rect.x = self.x

self.rect.y = self.y

def draw(self):

screen.blit(self.img, (self.x, self.y))

# 创建贪吃蛇和苹果

snake = Snake(400, 300)

apple = Apple(random.randint(0, screen_width - 40), random.randint(0, screen_height - 40))

# 游戏循环

clock = pygame.time.Clock()

font = pygame.font.SysFont(None, 50)

while True:

# 处理事件

for event in pygame.event.get():

if event.type == pygame.QUIT:

pygame.quit()

exit()

elif event.type == pygame.KEYDOWN:

if event.key == pygame.K_RIGHT and snake.direction != 'left':

snake.direction = 'right'

elif event.key == pygame.K_LEFT and snake.direction != 'right':

snake.direction = 'left'

elif event.key == pygame.K_UP and snake.direction != 'down':

snake.direction = 'up'

elif event.key == pygame.K_DOWN and snake.direction != 'up':

snake.direction = 'down'

# 更新游戏元素

snake.update()

# 检测碰撞

if snake.check_collision():

pygame.quit()

exit()

# 检测吃到苹果

if snake.eat_apple(apple):

apple.x = random.randint(0, screen_width - 40)

apple.y = random.randint(0, screen_height - 40)

apple.rect.x = apple.x

apple.rect.y = apple.y

# 绘制游戏元素

screen.blit(background_img, (0, 0))

snake.draw()

apple.draw()

score_text = font.render('Score: ' + str(snake.length - 3), True, (255, 255, 255))

screen.blit(score_text, (10, 10))

# 刷新屏幕

pygame.display.update()

clock.tick(10)

```

在上面的示例程序中，我们创建了`Snake`和`Apple`两个类来表示贪吃蛇和苹果。我们使用Pygame库来处理游戏的图形界面和事件处理。在游戏循环中，我们不断更新贪吃蛇和苹果的位置，并检测碰撞和吃到苹果等情况，然后绘制游戏元素和分数等信息。

看一下效果：

6不6啊[抠鼻]

你可以根据自己的需求修改上面的代码，添加音效、难度等设置，让游戏更加有趣。祝你写出一个你以为的贪吃蛇游戏！[可爱]

图片来源于网络