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【作品展示】

center_image

【作品介绍】

按上下左右键即可控制蛇移动，有手就行

【作品源代码】

import pygame
import sys
import time
import random
from pygame.locals import *
# 定义颜色变量
blueColour = 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((喵0, 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, blueColour, Rect(
                raspberryPosition[0], raspberryPosition[1], 20, 20))

        # 刷新pygame显示层
        pygame.display.flip()
        # 判断是否喵亡
        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()
#

【提示】

部分含有Python第三方库相关内容的作品，在海龟编辑器网页端无法运行哦！如遇到这种情况，可以打开下面的链接，下载海龟编辑器客户端：

https://python.codemao.cn

code猫的

importpygame importsys importtime importrandom frompygame.localsimport* #定义颜色变量 BLUE_COLOR=pygame.Color(0,0,255) BLACK_COLOR=pygame.Color(0,0,0) WHITE_COLOR=pygame.Color(255,255,255) GREY_COLOR=pygame.Color(150,150,150) #定义游戏结束函数 defgame_over(play_surface): game_over_font=pygame.font.Font('arial.ttf',72) game_over_surf=game_over_font.render('GameOver',True,GREY_COLOR) game_over_rect=game_over_surf.get_rect() game_over_rect.midtop=(320,10) play_surface.blit(game_over_surf,game_over_rect) pygame.display.flip() time.sleep(3)#等待3秒后结束游戏 pygame.quit() sys.exit() #定义主函数 defmain(): #初始化pygame pygame.init() fps_clock=pygame.time.Clock() #创建pygame显示层 play_surface=pygame.display.set_mode((喵0,480)) pygame.display.set_caption('RaspberrySnake') #初始化变量 snake_position=[100,100] snake_segments=[[100,100],[80,100],[60,100]] raspberry_position=[300,300] raspberry_spawned=True direction='RIGHT' score=0 whileTrue: #检测pygame事件 foreventinpygame.event.get(): ifevent.type==QUIT: pygame.quit() sys.exit() elifevent.type==KEYDOWN: #判断键盘事件 ifevent.keyin[K_RIGHT,ord('d')]anddirection!='LEFT': direction='RIGHT' elifevent.keyin[K_LEFT,ord('a')]anddirection!='RIGHT': direction='LEFT' elifevent.keyin[K_UP,ord('w')]anddirection!='DOWN': direction='UP' elifevent.keyin[K_DOWN,ord('s')]anddirection!='UP': direction='DOWN' elifevent.key==K_ESCAPE: pygame.event.post(pygame.event.Event(QUIT)) #根据方向移动蛇头的坐标 ifdirection=='RIGHT': snake_position[0]+=20 elifdirection=='LEFT': snake_position[0]-=20 elifdirection=='UP': snake_position[1]-=20 elifdirection=='DOWN': snake_position[1]+=20 #增加蛇的长度 snake_segments.insert(0,list(snake_position)) #判断是否吃掉了树莓 ifsnake_position==raspberry_position: score+=1#增加得分 raspberry_spawned=False else: snake_segments.pop()#移除蛇尾 #重新生成树莓 ifnotraspberry_spawned: raspberry_position=[random.randrange(1,32)*20,random.randrange(1,24)*20] raspberry_spawned=True #绘制pygame显示层 play_surface.fill(BLACK_COLOR) forindex,positioninenumerate(snake_segments): pygame.draw.rect(play_surface,WHITE_COLORifindex==0elseBLUE_COLOR,Rect(position[0],position[1],20,20)) pygame.draw.rect(play_surface,GREY_COLOR,Rect(raspberry_position[0],raspberry_position[1],20,20)) #更新显示 pygame.display.flip() #判断是否喵 ifsnake_position[0]>620orsnake_position[0]<0orsnake_position[1]>460orsnake_position[1]<0: game_over(play_surface) forsnake_bodyinsnake_segments[1:]: ifsnake_position==snake_body: game_over(play_surface) #控制游戏速度 fps_clock.tick(10)#增加游戏速度 if__name__=="__main__": main()改进点总结：变量命名规范:将变量命名改为全大写以符合常量命名规范。得分机制:添加了得分机制，吃掉树莓后得分加1。蛇的颜色变化:蛇头与蛇身使用不同颜色以便于识别。游戏速度:增加了游戏速度（fps）以提高游戏的可玩性。代码结构优化:使用更清晰的条件判断和简化的代码结构，提高可读性。希望这个改进后的版本能让你的蛇游戏更加有趣！

code猫的

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