python贪吃蛇

import pygame import time import sys import random from pygame.locals import * bgColor=pygame.Color(0,0,0) snakeColor=pygame.Color(255,255,255) foodColor=pygame.Color(150,120,80) fontColor=pygame.Color(100,150,120) def gameOver(playSurface): gameOverFont=pygame.font.Font('Arial.ttf',72)#设置字体样式 gameOverSurf=gameOverFont.render('GameOver',True,fontColor) gameOverRect=gameOverSurf.get_rect()#获取实例 gameOverRect.midtop=(320,100)#文字显示的坐标 playSurface.blit(gameOverSurf,gameOverRect) pygame.display.flip() time.sleep(3) pygame.quit() sys.exit() def main(): pygame.init()# 初始化pygame fpsClock=pygame.time.Clock()# 定义多久时间走一次 #初始化弹框的一些变量 playSurface=pygame.display.set_mode((640,480))#窗体大小 pygame.display.set_caption('贪吃蛇')#设置标题 snakePosition=[100,100]#初始化蛇的位置 #保存蛇头以下的坐标 snakeSetments=[[100,100],[80,100],[60,100]] foodPosition=[300,300]#初始化食物的位置 foodSpwned=1#判断食物是否被吃掉 direction='right'#初始化默认方向 changeDirection=direction#改变方向 while True: #设置背景颜色 playSurface.fill(bgColor) #绘制 for position in snakeSetments: pygame.draw.rect(playSurface,snakeColor,Rect(position[0],position[1],20,20)) pygame.draw.rect(playSurface,foodColor,Rect(foodPosition[0],foodPosition[1], 20, 20)) pygame.display.flip()#刷新 for event in pygame.event.get(): #判断点击的按钮 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.pos(pygame.event.Event(QUIT)) #判断如果输入的是反方向 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 #根据方向移动蛇头的坐标 if direction=='right': snakePosition[0]+=20 if direction == 'left': snakePosition[0]-= 20 if direction == 'up': snakePosition[1]-= 20 if direction == 'down': snakePosition[1]+= 20 #增加蛇的长度 snakeSetments.insert(0,list(snakePosition)) #判断是否吃掉食物 if snakePosition[0]==foodPosition[0] and snakePosition[1]==foodPosition[1]: foodSpwned=0 else: snakeSetments.pop()#吃掉食物删掉最后一个，使整体没有变化 #如果吃掉，则随机生成 if foodSpwned==0: x=random.randrange(1,32) y=random.randrange(1,24) foodPosition=[int (x*20),int (y*20)] foodSpwned=1 fpsClock.tick(5)#游戏的速度 #超出边界则游戏结束 if snakePosition[0]>620 or snakePosition[0]<0: gameOver(playSurface) if snakePosition[1]>460 or snakePosition[1]<0: gameOver(playSurface) if __name__ == '__main__': main()