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#!/usr/bin/env python
import pygame,sys,time,random
from pygame.locals import *
# 定义颜色变量
redColour = pygame.Color(255,0,0)
blackColour = pygame.Color(0,0,0)
whiteColour = pygame.Color(255,255,255)
greyColour = pygame.Color(150,150,150)
# 定义gameOver函数
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()
# 定义main函数
def main():
# 初始化pygame
pygame.init()
fpsClock = pygame.time.Clock()
# 创建pygame显示层
playSurface = pygame.display.set_mode((640,480))
pygame.display.set_caption(‘Raspberry Snake’)
# 初始化变量
snakePosition = [100,100]
snakeSegments = [[100,100],[80,100],[60,100]]
raspberryPosition = [300,300]
raspberrySpawned = 1
direction = ‘right’
changeDirection = direction
while True:
# 检测例如按键等pygame事件
for event in pygame.event.get():
if event.type == QUIT:
pygame.quit()
sys.exit()
elif event.type == KEYDOWN:
# 判断键盘事件
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
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
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
# 绘制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))
# 刷新pygame显示层
pygame.display.flip()
# 判断是否死亡
if snakePosition[0] > 620 or snakePosition[0] < 0:
gameOver(playSurface)
if snakePosition[1] > 460 or snakePosition[1] < 0:
for snakeBody in snakeSegments[1:]:
if snakePosition[0] == snakeBody[0] and snakePosition[1] == snakeBody[1]:
gameOver(playSurface)
# 控制游戏速度
fpsClock.tick(5)
if __name__ == “__main__”:
main()
如果说，程序不可用或者出错，那就是因为软件的不同，请谅解！
发布者：全栈程序员-用户IM，转载请注明出处：https://javaforall.cn/169543.html原文链接：https://javaforall.cn
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