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Python貪吃蛇小游戲?qū)嵗窒?/h1>

更新時間：2021年09月06日 10:55:57 作者：Maggie晨曦

這篇文章主要為大家詳細介紹了Python貪吃蛇小游戲?qū)嵗闹惺纠a介紹的非常詳細，具有一定的參考價值，感興趣的小伙伴們可以參考一下

本文實例為大家分享了Python實現(xiàn)貪吃蛇小游戲的具體代碼，供大家參考，具體內(nèi)容如下

使用的庫

pygame 、random 、pyautogui

流程簡述

1.設置初始參數(shù)

設置每個網(wǎng)格大小為 20 px ，size可以隨意修改但最好為20的倍數(shù)，設置初始方向向右，初始蛇長為 3 。

# 初始化參數(shù)
size = 320
screen = pygame.display.set_mode([size,size],0 , 32)
pygame.display.set_caption("貪吃蛇")
cell_size = 20
cell_num = int(size/20)
x , y = [60,0]
# 初始方向向右
dir_snake = 'R'
body_snake = [[0,0],[20,0],[40,0],[60,0]]
# 初始蛇長為3
len_snake = 3
# 初始食物坐標
food_coor = [random.randint(0, cell_num - 1) * 20, random.randint(0, cell_num - 1) * 20, 20, 20]
# 蛇移動速度
clock = pygame.time.Clock()

2.鍵盤控制

鍵盤上下左右控制蛇方向，禁止反向。

3.食物

蛇頭吃到食物后，蛇長加一，random 一個隨機坐標，如果坐標再蛇身上則繼續(xù) random。

if [x,y] == food_coor[:2]:
    food_coor = [random.randint(0, cell_num - 1) * 20, random.randint(0, cell_num - 1) * 20, 20, 20]
    if food_coor[:2] in body_snake[-2:-len_snake -1 :-1]:
        food_coor = [random.randint(0, cell_num - 1) * 20, random.randint(0, cell_num - 1) * 20, 20, 20]
    len_snake +=1

4. 勝負判斷

蛇頭與蛇身碰撞判輸，彈出游戲結(jié)束窗口，說明最終蛇長為多長。

if body_snake[-1] in body_snake[-2:-len_snake -1 :-1]:
    pyautogui.alert(text='游戲結(jié)束,最終蛇長為{}'.format(len_snake))
    exit()

代碼及結(jié)果

代碼

import pygame , random ,pyautogui
from pygame.locals import *
# 初始化參數(shù)
size = 500
screen = pygame.display.set_mode([size,size],0 , 32)
pygame.display.set_caption("貪吃蛇")
cell_size = 20
cell_num = int(size/20)
x , y = [60,0]
# 初始方向向右
dir_snake = 'R'
body_snake = [[0,0],[20,0],[40,0],[60,0]]
# 初始蛇長為3
len_snake = 3
# 初始食物坐標
food_coor = [random.randint(0, cell_num - 1) * 20, random.randint(0, cell_num - 1) * 20, 20, 20]
# 蛇移動速度
clock = pygame.time.Clock()
# bg
def bg():
    for i in range(0, size , int(cell_size)):
        pygame.draw.line(screen,[72,72,72],[i,0],[i,size])
    for i in range(0, size, int(cell_size)):
        pygame.draw.line(screen, [72, 72, 72], [0, i], [size,i])
# 蛇
def snake(K):
    for x,y in K[:-len_snake - 1:-1]:
        pygame.draw.rect(screen,[255,255,255],[x,y,20,20],0)
# 食物
def food():
    pygame.draw.rect(screen,[255,0,0],food_coor,0)
# 主循環(huán)
def running():
    global x ,y , dir_snake ,food_coor , len_snake
    while True:
        for event in pygame.event.get():
            if event.type == QUIT:
                exit()
        screen.fill((40, 43, 46))
        # 方向規(guī)則
        if dir_snake == 'U':
            y -= 20
        elif dir_snake == 'R':
            x += 20
        elif dir_snake == 'D':
            y += 20
        elif dir_snake == 'L':
            x -= 20
        # 鍵盤方向控制
        if event.type == KEYDOWN:
            if event.key == K_LEFT and dir_snake != 'R':
                dir_snake = 'L'
            elif event.key == K_DOWN and dir_snake != 'U':
                dir_snake = 'D'
            elif event.key == K_RIGHT and dir_snake != 'L':
                dir_snake = 'R'
            elif event.key == K_UP and dir_snake != 'D':
                dir_snake = 'U'
        # 撞墻之后
        if x < 0:
            x += size
        elif x >= size:
            x -= size
        elif y < 0:
            y += size
        elif y >= size:
            y -= size
        # draw蛇體
        body_snake.append([x,y])
        snake(body_snake)
        food()
        # 吃到食物后food換位置
        if [x,y] == food_coor[:2]:
            food_coor = [random.randint(0, cell_num - 1) * 20, random.randint(0, cell_num - 1) * 20, 20, 20]
            if food_coor[:2] in body_snake[-2:-len_snake -1 :-1]:
                food_coor = [random.randint(0, cell_num - 1) * 20, random.randint(0, cell_num - 1) * 20, 20, 20]
            len_snake +=1
        # 游戲結(jié)束
        if body_snake[-1] in body_snake[-2:-len_snake -1 :-1]:
            pyautogui.alert(text='游戲結(jié)束,最終蛇長為{}'.format(len_snake))
            exit()
        # 格線
        bg()
        # 右下角顯示蛇長
        font = pygame.font.SysFont("simsunnsimsun", 40)
        text_surface = font.render("{}".format(len_snake), True, (255,255, 255))
        screen.blit(text_surface , (size-40,size-40))
        pygame.display.update()
        # 蛇的移動速度隨著蛇的長度而越來越快
        clock.tick(len_snake * 2)

if __name__ == '__main__':
    pygame.init()
    running()

輸出結(jié)果