pygame实现贪吃蛇游戏

 

#导入模块

import sys,time,random,pygame
from pygame.locals import *

#框架

pygame.init()
fpsClock=pygame.time.Clock()
playSurface=pygame.display.set_mode((640,480))
pygame.display.set_caption('贪吃蛇游戏')

#定义颜色
redColour =pygame.Color(255,0,0)
blackColour=pygame.Color(0,0,0)
whiteColour=pygame.Color(255,255,255)
greyColour=pygame.Color(150,150,150)
#初始化了一些程序中用到的变量
snakePosition=[100,100]
snakeSegments=[[100,100],[80,100],[60,100]]
#树莓位置
raspberryPosition=[300,300] 
#是否迟到树莓，1为没有吃到，0是吃到
raspberrySpawned=1 
direction='right'
changeDirection=direction

def gameOver():
    gameOverFont=pygame.font.Font('simfang.ttf',72)
    gameOverSurf=gameOverFont.render('Game Over',True,greyColour)
    gameOverRect=gameOverSurf.get_rect()
    gameOverRect.midtop=(320,10)
    playSurface.blit(gameOverSurf,gameOverRect)
    pygame.display.flip()
    time.sleep(5)
    pygame.quit()
    sys.exit()

#移动
while True:
    for event in pygame.event.get():
        if event.type==QUIT:
            pygame.quit()
            sys.exit()
        elif event.type==KEYDOWN:
            if event.key==K_RIGHT or event.key==ord('d'):
                changeDirection='right'
            if event.key==K_LEFT or event.key==ord('a'):
                changeDirection='left'
            if event.key==K_UP or event.key==ord('w'):
                changeDirection='up'
            if event.key==K_DOWN or event.key==ord('s'):
                changeDirection='down'
            if event.key==K_ESCAPE:
                pygame.event.post(pygame.event.Event(QUIT))
    if changeDirection=='right' and not direction=='left':
            direction=changeDirection
    if changeDirection=='left' and not direction=='right':
            direction=changeDirection
    if changeDirection=='up' and not direction=='down':
            direction=changeDirection
    if changeDirection=='down' and not direction=='up':
            direction=changeDirection
    if direction=='right':
        snakePosition[0]+=20
    if direction=='left':
        snakePosition[0]-=20
    if direction=='up':
        snakePosition[0]-=20
    if direction=='down':
        snakePosition[0]+=20
    #将蛇的身体增加一节，同时将这节放在蛇的头部
    snakeSegments.insert(0,list(snakePosition))
    #检查蛇头部的X和Y坐标是否等一树莓（玩家的目标点）的坐标
    if snakePosition[0]==raspberryPosition[0] and snakePosition[1]==raspberryPosition[1]:
        raspberrySpawned=0
    else:
        snakeSegments.pop()
    #增加一个新的树莓到游戏界面中：
    if raspberrySpawned==0:
        x=random.randrange(1,32)
        y=random.randrange(1,24)
        raspberryPosition=[int(x*20),int(y*20)]
    raspberrySpawned=1
    playSurface.fill(blackColour)
    for position in snakeSegments:
        pygame.draw.rect(playSurface,whiteColour,Rect
        (position[0],position[1],20,20))
    pygame.draw.rect(playSurface,redColour,Rect
        (raspberryPosition[0],raspberryPosition[1],20,20))
    pygame.display.flip()
    if snakePosition[0]>620 or snakePosition[0]<0:
        gameOver()
    if snakePosition[1]>460 or snakePosition[1]<0:
        gameOver()
    for snakeBody in snakeSegments[1:]:
        if snakePosition[0]==snakeBody[0] and snakePosition[1]==snakeBody[1]:
            gameOver()
    fpsClock.tick(10)

运行结果

来源：oschina

链接：https://my.oschina.net/u/4463976/blog/3213817