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关键字：python 游戏 贪吃蛇

正文 | 内容

在网络还不发达，没有平板电脑和手机的童年;电视机里的动画片和小游戏曾经陪伴我们度过了欢乐的时光.扫雷、贪吃蛇、俄罗斯方块、58坦克大战、超级玛丽、魂斗罗...每一个都是回忆满满的游戏

02

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【一条蛇】# 无论何时 都在前端增加蛇块

def addnode(self):
left,top = (0,0)
if self.body:
left,top = (self.body[0].left,self.body[0].top)
node = pygame.Rect(left,top,25,25)
if self.dirction == pygame.K_LEFT:
node.left -= 25
elif self.dirction == pygame.K_RIGHT:
node.left += 25
elif self.dirction == pygame.K_UP:
node.top -= 25
elif self.dirction == pygame.K_DOWN:
node.top += 25
self.body.insert(0,node)
# 删除最后一个块
def delnode(self):
self.body.pop()
# 死亡判断
def isdead(self):
# 撞墙
if self.body[0].x not in range(SCREEN_X):
return True
if self.body[0].y not in range(SCREEN_Y):
return True
# 撞自己
if self.body[0] in self.body[1:]:
return True
return False
# 移动！
def move(self):
self.addnode()
self.delnode()
# 改变方向 但是左右、上下不能被逆向改变
def changedirection(self,curkey):
LR = [pygame.K_LEFT,pygame.K_RIGHT]
UD = [pygame.K_UP,pygame.K_DOWN]
if curkey in LR+UD:
if (curkey in LR) and (self.dirction in LR):
return
if (curkey in UD) and (self.dirction in UD):
return
self.dirction = curkey
# 食物类
# 方法：放置/移除
# 点以25为单位
class Food:
def __init__(self):
self.rect = pygame.Rect(-25,0,25,25)
def remove(self):
self.rect.x=-25
def set(self):
if self.rect.x == -25:
allpos = []
# 不靠墙太近 25 ~ SCREEN_X-25 之间
for pos in range(25,SCREEN_X-25,25):
allpos.append(pos)
self.rect.left = random.choice(allpos)
self.rect.top = random.choice(allpos)
print(self.rect)
def show_text(screen, pos, text, color, font_bold = False, font_size = 60, font_italic = False):
#获取系统字体，并设置文字大小
cur_font = pygame.font.SysFont("宋体", font_size)
#设置是否加粗属性
cur_font.set_bold(font_bold)
#设置是否斜体属性
cur_font.set_italic(font_italic)
#设置文字内容
text_fmt = cur_font.render(text, 1, color)
#绘制文字
screen.blit(text_fmt, pos)
def main():
pygame.init()
screen_size = (SCREEN_X,SCREEN_Y)
screen = pygame.display.set_mode(screen_size)
pygame.display.set_caption('Snake')
clock = pygame.time.Clock()
scores = 0
isdead = False
# 蛇/食物
snake = Snake()
food = Food()
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
if event.type == pygame.KEYDOWN:
snake.changedirection(event.key)
# 死后按space重新
if event.key == pygame.K_SPACE and isdead:
return main()
screen.fill((255,255,255))
# 画蛇身 / 每一步+1分
if not isdead:
scores+=1
snake.move()
for rect in snake.body:
pygame.draw.rect(screen,(20,220,39),rect,0)
# 显示死亡文字
isdead = snake.isdead()
if isdead:
show_text(screen,(100,200),'YOU DEAD!',(227,29,18),False,100)
show_text(screen,(150,260),'press space to try again...',(0,0,22),False,30)
# 食物处理 / 吃到+50分
# 当食物rect与蛇头重合,吃掉 -> Snake增加一个Node
if food.rect == snake.body[0]:
scores+=50
food.remove()
snake.addnode()
# 食物投递
food.set()
pygame.draw.rect(screen,(136,0,21),food.rect,0)
# 显示分数文字
show_text(screen,(50,500),'Scores: '+str(scores),(223,223,223))
pygame.display.update()
clock.tick(10)
if __name__ == '__main__':
main()

02

—

【两条蛇】import pygame, sys, time, random

from pygame.locals import *
redColour = pygame.Color(255, 0, 0)
greenColour = pygame.Color(0, 255, 0)
blueColour = pygame.Color(0, 0, 255)
blackColour = pygame.Color(0, 0, 0)
whiteColour = pygame.Color(255, 255, 255)
greyColour = pygame.Color(150, 150, 150)
yellowColour =pygame.Color(255, 255, 0)
purpleColour =pygame.Color(255, 0, 255)
brownColour =pygame.Color(150, 75, 75)
DeepPinkColour=pygame.Color(255 ,20 ,147)
#初始化并播放背景音乐
#pygame.mixer.init() #初始化混音器
#pygame.mixer.music.load('Ken Arai - NEXT TO YOU.mp3') #加载背景音乐
#pygame.mixer.music.set_volume(0.2) #设置音量
#pygame.mixer.music.play() #播放背景音乐
# 定义游戏结束函数Deepl降重。当双方长度相等且头头相撞时，为平局python打印皮卡丘怎么弄。游戏结束，并显示双方分数。
def gameOver (playSurface,score1,score2):
gameOverFont = pygame.font.SysFont('arial', 32)
gameOverSurf = gameOverFont.render('tie '+'pink:'+str(score1-3)+' '+'blue:'+str(score2-3), True, greyColour)
gameOverRect = gameOverSurf.get_rect()
gameOverRect.midtop = (320, 10)
playSurface.blit(gameOverSurf, gameOverRect)
pygame.display.flip()
time.sleep(5)
main()
# 定义游戏结束函数。当1号玩家撞墙或被2号玩家吃了时，游戏结束，显示1号玩家失败，以及双方分数。
def gameOver1(playSurface,score1,score2):
gameOverFont = pygame.font.SysFont('arial', 32)
gameOverSurf = gameOverFont.render('green snake Game Over '+'pink:'+str(score1-3)+' '+'blue:'+str(score2-3), True, greyColour)
gameOverRect = gameOverSurf.get_rect()
gameOverRect.midtop = (320, 10)
playSurface.blit(gameOverSurf, gameOverRect)
pygame.display.flip()
time.sleep(5)
main()
# 定义游戏结束函数。当2号玩家撞墙或被1号玩家吃了时，游戏结束，显示2号玩家失败，以及双方分数。
def gameOver2(playSurface,score1,score2):
gameOverFont = pygame.font.SysFont('arial', 32)
gameOverSurf = gameOverFont.render(' blue snake Game Over '+'pink'+str(score1-3)+' '+'blue:'+str(score2-3), True, greyColour)
gameOverRect = gameOverSurf.get_rect()
gameOverRect.midtop = (320, 10)
playSurface.blit(gameOverSurf, gameOverRect)
pygame.display.flip()
time.sleep(5)
main()
def main():
pygame.init() #pygame初始化
#显示欢迎界面，有开始游戏和退出游戏两个选项
title_font = pygame.font.SysFont('arial', 32)
welcome_words = title_font.render('Welcome to My Snake', True, (0, 0, 0), (255, 255, 255))
tips_font = pygame.font.SysFont('arial', 24)
start_game_words = tips_font.render('Click to Start Game', True, (0, 0, 0), (255, 255, 255))
close_game_words = tips_font.render('Press ESC to Close', True, (0, 0, 0), (255, 255, 255))
playSurface = pygame.display.set_mode((640, 480), FULLSCREEN, 32) #全屏显示
fpsClock = pygame.time.Clock()
pygame.display.set_caption('贪吃蛇') #欢迎界面，此时未开始游戏
game_started = False
#初始化两条蛇的起始位置和长度
snakePosition1 = [100, 100]
snakeSegments1 = [[100, 100], [80, 100], [60, 100]]
snakePosition2 = [200, 200]
snakeSegments2 = [[200, 200], [180, 200], [160, 200]]
#初始化树莓的起始位置
raspberryPosition = [300, 300]
raspberrySpawned = 1
#初始化两条蛇的起始方向
direction1 = 'right'
direction2 = 'right'
changeDirection1 = direction1
changeDirection2 = direction2
while True: #游戏循环主体
for event in pygame.event.get(): #获取事件
if event.type == QUIT:
sys.exit()
elif event.type == KEYDOWN: #键盘输入
#方向键控制玩家1
if event.key == K_RIGHT :
changeDirection1 = 'right'
if event.key == K_LEFT:
changeDirection1 = 'left'
if event.key == K_UP :
changeDirection1 = 'up'
if event.key == K_DOWN :
changeDirection1 = 'down'
#"W’"A’"S’"D’控制玩家2
if event.key == ord('d'):
changeDirection2 = 'right'
if event.key == ord('a'):
changeDirection2= 'left'
if event.key == ord('w'):
changeDirection2 = 'up'
if event.key == ord('s'):
changeDirection2 = 'down'
if event.key == K_ESCAPE: #按动ESC退出游戏
pygame.event.post(pygame.event.Event(QUIT))
elif (not game_started) and event.type == pygame.MOUSEBUTTONDOWN: #在游戏欢迎界面时，根据鼠标位置判断是否开始游戏
x, y = pygame.mouse.get_pos()
if 213 <= x <= 422 and 304 <= y <= 342:
game_started = True
playSurface.fill((255, 255, 255)) #游戏画面背景为白色
if game_started: #开始游戏
# 判断是否输入了反方向,如果输入相反方向，则方向不改变
if changeDirection1 == 'right' and direction1 != 'left':
direction1 = changeDirection1
if changeDirection1 == 'left' and direction1 != 'right':
direction1 = changeDirection1
if changeDirection1 == 'up' and direction1 != 'down':
direction1 = changeDirection1
if changeDirection1 == 'down' and direction1 != 'up':
direction1 = changeDirection1
if changeDirection2 == 'right' and direction2 != 'left':
direction2 = changeDirection2
if changeDirection2 == 'left' and direction2 != 'right':
direction2 = changeDirection2
if changeDirection2 == 'up' and direction2 != 'down':
direction2 = changeDirection2
if changeDirection2 == 'down' and direction2 != 'down':
direction2 = changeDirection2
# 根据方向移动蛇头的坐标
if direction1 == 'right':
snakePosition1[0] += 20
if direction1 == 'left':
snakePosition1[0] -= 20
if direction1 == 'up':
snakePosition1[1] -= 20
if direction1 == 'down':
snakePosition1[1] += 20
if direction2 == 'right':
snakePosition2[0] += 20
if direction2 == 'left':
snakePosition2[0] -= 20
if direction2 == 'up':
snakePosition2[1] -= 20
if direction2 == 'down':
snakePosition2[1] += 20
# 增加蛇的长度
snakeSegments1.insert(0, list(snakePosition1))
snakeSegments2.insert(0, list(snakePosition2))
# 判断是否吃掉了树莓
if snakePosition1[0] == raspberryPosition[0] and snakePosition1[1] == raspberryPosition[1]:
raspberrySpawned = 0
else:
snakeSegments1.pop()
if snakePosition2[0] == raspberryPosition[0] and snakePosition2[1] == raspberryPosition[1]:
raspberrySpawned = 0
else:
snakeSegments2.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)] #先随机在任意位置生成一个树莓
while raspberryPosition in snakePosition1 or raspberryPosition in snakePosition2: #判断树莓是否声称在蛇的身体上，如果是，则重新生成树莓
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，显示两条蛇以及树莓
playSurface.fill(whiteColour)
for position in snakeSegments1:
pygame.draw.rect(playSurface, DeepPinkColour, Rect(position[0], position[1], 20, 20))
for position in snakeSegments2:
pygame.draw.rect(playSurface, blueColour, Rect(position[0], position[1], 20, 20))
colour = random.choice([yellowColour, purpleColour, brownColour, blackColour])
pygame.draw.rect(playSurface, colour, Rect(raspberryPosition[0], raspberryPosition[1], 20, 20))
pygame.display.flip()
# 蛇的位置超出边框就算死亡，或者和另一条蛇相撞。
score1 = len(snakeSegments1) #分数
score2 = len(snakeSegments2)
if snakePosition1[0] > 620 or snakePosition1[0] < 0:
gameOver1(playSurface, score1, score2)
if snakePosition1[1] > 460 or snakePosition1[1] < 0:
gameOver1(playSurface, score1, score2)
for snakeBody1 in snakeSegments1[1:]: # 玩家二撞上了玩家一，玩家二失败
if snakePosition2[0] == snakeBody1[0] and snakePosition2[1] == snakeBody1[1]:
gameOver2(playSurface, score1, score2)
if snakePosition2[0] > 620 or snakePosition2[0] < 0:
gameOver2(playSurface, score1, score2)
if snakePosition2[1] > 460 or snakePosition2[1] < 0:
gameOver2(playSurface, score1, score2)
for snakeBody2 in snakeSegments2[1:]: # 玩家一撞上了玩家二，玩家一失败
if snakePosition1[0] == snakeBody2[0] and snakePosition1[1] == snakeBody2[1]:
gameOver1(playSurface, score1, score2)
if snakePosition1[0] == snakePosition2[0] and snakePosition1[1] == snakePosition2[1]: # 头碰头，谁长谁赢，否则平局。
if len(snakeSegments1) > len(snakeSegments2):
gameOver2(playSurface, score1, score2)
elif len(snakeSegments1) < len(snakeSegments2):
gameOver1(playSurface, score1, score2)
else:
gameOver(playSurface, score1, score2)
else: # 游戏没有开始，显示欢迎界面
playSurface.blit(welcome_words, (188, 100))
playSurface.blit(start_game_words, (236, 310))
playSurface.blit(close_game_words, (233, 350))
pygame.display.update()
fpsClock.tick(5)
if __name__ == "__main__":
main()

03

—

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