无pygame写一个python贪吃蛇
这个贪吃蛇是以pynput来监视键盘，os来刷新屏幕，以此实现的贪吃蛇
蛇的结构
贪吃蛇建立在block组成的二维列表里，block包含两个属性``，自己的身份和指向
身份包括：草地，蛇身，蛇头，蛇尾巴，苹果五种。
指向则是从尾巴一格一格地指向蛇头。
这样蛇的移动其实就是丢掉尾巴，头长长一格。
代码展示
import os
import time
import random
from pynput.keyboard import Listener
def bp (s): #用于输出一个屏幕的内容
os.system('cls') #本程序只适用于Windows
if s == 'normal':
print('#'*(L+2))
for i in range(L//2):
print('#',end='')
for j in range(L):
if Map[i][j].status == 0:
print(' ',end='')
elif Map[i][j].status == 1:
print('*',end='')
elif Map[i][j].status == 2:
print('O',end='')
elif Map[i][j].status == 3:
print('@',end='')
elif Map[i][j].status == 4:
print('$',end='')
print('#')
print('#'*(L+2))
elif s == 'over':
print(
'''
##############################################################
# #
# #
# #
# #
# #
# ____ _ __ __ _____ _____ _______ ____ #
# / ___| / \ | \/ | ____| / _ \ \ / / ____| _ \ #
# | | _ / _ \ | |\/| | _| | | | \ \ / /| _| | |_) | #
# | |_| |/ ___ \| | | | |___ | |_| |\ V / | |___| _ < #
# \____/_/ \_\_| |_|_____| \___/ \_/ |_____|_| \_\ #
# #
# #
'''
+'# 你吃到了'+str(speed-30)+'\t个苹果，下次加油 #'+
'''
# #
# #
# #
##############################################################
''')
elif s == 'welcome':
print(
'''
##############################################################
# #
# #
# #
# #
# #
# __ _______ _ ____ ___ __ __ _____ #
# \ \ / / ____| | / ___/ _ \| \/ | ____| #
# \ \ /\ / /| _| | | | | | | | | |\/| | _| #
# \ V V / | |___| |__| |__| |_| | | | | |___ #
# \_/\_/ |_____|_____\____\___/|_| |_|_____| #
# #
# #
# #
# 游戏中只能通过按wasd移动，按下其他非字母键游戏直接等死 #
# 游戏难度 a 地狱 s简单 d普通 w困难 #
# #
# 按下他们开始游戏 #
# #
# #
##############################################################
''')
def on_press(key):
global di
try:
di = key.char
except:
return False
class block ():
def __init__ (self, status, direction):
self.status = status
self.chD(direction)
def chD (self,b):
if b == 'w':
self.direction = (-1,0)
elif b == 'a':
self.direction = (0,-1)
elif b == 's':
self.direction = (1,0)
elif b == 'd':
self.direction = (0,1)
else:
self.direction = -1
return 0
return 1
def gn (a,b):
temp = Map[a][b].direction
return a+temp[0],b+temp[1]
di,L,S,Map = 30,30,30,30
if __name__ == '__main__':
with Listener(on_press=on_press) as listener:
bp('welcome')
while not di in {'w','a','s','d'}:
time.sleep(0.5)
#初始化数据
if di == 'w':
L,S = 20,2
elif di == 'a':
L,S = 30,15
elif di == 's':
L,S == 30,15
elif di == 'd':
L,S == 20,4
speed = 30
head = (7,15)
tail = (7,12)
Map = [[block(0,0) for __ in range(L)] for _ in range(L//2)]
print(len(Map),len(Map[0]))
Map[7][12] = block(1,'d')
Map[7][13] = block(2,'d')
Map[7][14] = block(2,'d')
Map[7][15] = block(3,'d')
apple = False
os.system('cls')
while 1:
#apple!
while not apple:
a = random.randint(0,L//2-1)
b = random.randint(0,L-1)
if Map[a][b].status == 0:
Map[a][b].status = 4
apple = 1
break
time.sleep(S/speed)
fh = gn(*head)
if fh[0]>=L//2 or fh[0]<0 or fh[1]>=L or fh[1]<0 or Map[fh[0]][fh[1]].status in {2,1}:
bp('over')
listener.join()
break
elif Map[fh[0]][fh[1]].status == 4:
apple = False
speed+=1
Map[head[0]][head[1]].status = 2
head = fh
Map[head[0]][head[1]].status = 3
Map[head[0]][head[1]].chD(di)
elif Map[fh[0]][fh[1]].status == 0:
Map[head[0]][head[1]].status = 2
head = fh
Map[head[0]][head[1]].status = 3
Map[head[0]][head[1]].chD(di)
Map[tail[0]][tail[1]].status = 0
temp = gn(*tail)
Map[tail[0]][tail[1]].direction = 0
Map[temp[0]][temp[1]].status = 1
tail = temp
bp('normal')
