0525 用Python编写的贪食蛇小程序

import pygame

import sys

import random

# 初始化pygame

pygame.init()

# 设置窗口大小和标题

screen_width =800

screen_height =600

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

pygame.display.set_caption("贪食蛇游戏")

# 设置颜色

black = (0,0,0)

white = (255,255,255)

green = (0,255,0)# 蛇的颜色

red = (255,0,0)# 食物的颜色

# 设置游戏参数

snake_speed =10  # 蛇的移动速度

snake_length =3  # 蛇的初始长度

food_spawn_rate =5  # 食物生成频率

# 蛇的初始位置

x = screen_width //2

y = screen_height //2

change_x =0

change_y =0

direction ='RIGHT'

# 食物的初始位置

foodx = random.randrange(10, screen_width -10,10)

foody = random.randrange(10, screen_height -10,10)

# 蛇的身体列表

snake_body = []

for iin range(snake_length):

snake_body.append([x - (i *10), y])

# 创建时钟对象来控制游戏帧率

clock = pygame.time.Clock()

fps =7  # 设置较低的帧率以减慢游戏速度

# 游戏主循环

running =True

while running:

for eventin pygame.event.get():

if event.type == pygame.QUIT:

running =False

        elif event.type == pygame.KEYDOWN:

if event.key == pygame.K_LEFT:

direction ='LEFT'

            elif event.key == pygame.K_RIGHT:

direction ='RIGHT'

            elif event.key == pygame.K_UP:

direction ='UP'

            elif event.key == pygame.K_DOWN:

direction ='DOWN'

    # 更新蛇的位置

    if direction =='RIGHT':

change_x =10

        change_y =0

    elif direction =='LEFT':

change_x = -10

        change_y =0

    elif direction =='UP':

change_x =0

        change_y = -10

    elif direction =='DOWN':

change_x =0

        change_y =10

    x += change_x

y += change_y

# 检查蛇是否出边界

    if x >= screen_widthor x <0 or y >= screen_heightor y <0:

print("Game Over!")

running =False

    # 检查蛇是否吃到食物

    if snake_body[0][0] == foodxand snake_body[0][1] == foody:

food_spawn_rate -=1  # 增加食物生成的难度

        foodx = random.randrange(10, screen_width -10,10)

foody = random.randrange(10, screen_height -10,10)

snake_length +=1  # 蛇增长

    # 蛇的身体增长逻辑

    snake_body.insert(0, [x, y])

if len(snake_body) > snake_length:

snake_body.pop()

# 绘制背景

    screen.fill(black)

# 绘制食物

    pygame.draw.rect(screen, red, [foodx, foody,10,10])

# 绘制蛇的身体

    for posin snake_body:

pygame.draw.rect(screen, green, [pos[0], pos[1],10,10])

# 更新屏幕显示

    pygame.display.flip()

# 控制游戏帧率

    clock.tick(fps)

# 食物生成逻辑

    if food_spawn_rate ==0:

foodx = random.randrange(10, screen_width -10,10)

foody = random.randrange(10, screen_height -10,10)

food_spawn_rate =5  # 重置食物生成频率

# 退出游戏

pygame.quit()

sys.exit()