python实现贪吃蛇游戏

  • Z时代
  • 2024-01-10
  • 分类：综合

本文实例为大家分享了python实现贪吃蛇游戏的具体代码，供大家参考，具体内容如下

本文稍作改动，修复一些bug，原文链接：python实现贪吃蛇游戏

#!/usr/bin/env python
#__*__ coding: utf-8 __*__
import pygame,sys,time,random
from pygame.locals import *
redColour = pygame.Color(255,0,0)
blackColour = pygame.Color(0,0,0)
whiteColour = pygame.Color(255,255,255)
greyColour = pygame.Color(150,150,150)
def gameOver(playSurface):
 gameOverFont = pygame.font.Font('arial.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()
def main():
 pygame.init()
 playSurface = pygame.display.set_mode((640,480))
 fpsClock = pygame.time.Clock()
 pygame.display.set_caption('Snake Liu')
 snakePosition = [100,100]
 snakeSegments = [[100,100],[80,100],[60,100]]
 raspberryPosition = [300,300]
 raspberrySpawned = 1
 direction = 'right'
 changeDirection = direction
 while True:
 for event in pygame.event.get():
 if event.type == 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))
 # 判断是否输入了反方向,与原文有改动
 if changeDirection == 'right':
 direction = changeDirection
 if changeDirection == 'left':
 direction = changeDirection
 if changeDirection == 'up':
 direction = changeDirection
 if changeDirection == 'down':
 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
 snakeSegments.insert(0,list(snakePosition))
 # 判断是否吃掉了树莓
 if snakePosition[0] == raspberryPosition[0] and snakePosition[1] == raspberryPosition[1]:
 raspberrySpawned = 0
 else:
 snakeSegments.pop()
 # 如果吃掉树莓，则重新生成树莓
 if raspberrySpawned == 0:
 x = random.randrange(1,32)
 y = random.randrange(1,24)
 raspberryPosition = [int(x*20),int(y*20)]
 raspberrySpawned = 1
 # 刷新pygame显示层
 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()
 # 判断是否死亡，后面几行和原文有改动
 if snakePosition[0] > 620 or snakePosition[0] < 0:
 gameOver(playSurface)
 if snakePosition[1] > 460 or snakePosition[1] < 0:
 gameOver(playSurface)
 for snakeBody in snakeSegments[1:]:
 if snakePosition[0] == snakeBody[0] and snakePosition[1] == snakeBody[1]:
 gameOver(playSurface)
 fpsClock.tick(5)
if __name__ == "__main__":
 main()

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