Hello-Python/pysnake.py at master · Hello-Computer-Science/Hello-Python · GitHub

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# coding=utf-8
# author Cool_Breeze

importctypes
importmsvcrt
fromtimeimportsleep
fromosimportsystem
fromrandomimportrandrange
fromcollectionsimportdeque
fromthreadingimportThread

# 位置信息结构体
classpoint(ctypes.Structure):
_fields_= [('x', ctypes.c_short),
 ('y', ctypes.c_short)]

defgotoXYPrint(coord, char):
globalMAINHANDLE
globalHEADICON
globalFOODICON
ctypes.windll.kernel32.SetConsoleCursorPosition(
MAINHANDLE, coord)
ifchar==HEADICON:
ctypes.windll.kernel32.SetConsoleTextAttribute(
MAINHANDLE, 14)
elifchar==FOODICON:
ctypes.windll.kernel32.SetConsoleTextAttribute(
MAINHANDLE, 12)
else:
ctypes.windll.kernel32.SetConsoleTextAttribute(
MAINHANDLE, 11)
print(char, end='', flush=True)


# 边框
defside():
forninrange(WIDTH-1):
gotoXYPrint(point(n,0), '+')
gotoXYPrint(point(n,HIGHT-1), '+')
forninrange(HIGHT-1):
gotoXYPrint(point(0,n), '+')
gotoXYPrint(point(WIDTH-1,n), '+')

defcreateFood():
globalSNAKE
globalFOODPOINT
off=False
whileTrue:
x=randrange(1, WIDTH-1)
y=randrange(1, HIGHT-1)
forninSNAKE:
ifn.x==xandn.y==y:
continue
else:
FOODPOINT.x=x
FOODPOINT.y=y
gotoXYPrint(FOODPOINT, FOODICON)
off=True
ifoff: break

defcreateSnake():
globalSNAKE
x, y=WIDTH//2, HIGHT//2
forninrange(3):
t=point(x+n, y)
SNAKE.append(t)
gotoXYPrint(t, HEADICON)

defupdate():
foriinSNAKE:
gotoXYPrint(i, HEADICON)

def_exit(info):
input(info)
exit()

defcollision():
globalSNAKE
head=SNAKE[0]
count=0
forninSNAKE:
count+=1
ifcount==1: continue
ifn.x==head.xandn.y==head.y:
_exit('游戏结束！')

ifhead.x==0orhead.y==0or \
head.x==WIDTH-1orhead.y==HIGHT-1:
_exit('游戏结束！')

defmoveSnake():
'''
 K == ←
 M == →
 H == ↑
 P == ↓
 '''
globalDIRECTION
globalSNAKE
globalFOODPOINT

ifDIRECTION=='K':
SNAKE.appendleft(point(SNAKE[0].x-1, SNAKE[0].y))
elifDIRECTION=='M':
SNAKE.appendleft(point(SNAKE[0].x+1, SNAKE[0].y))
elifDIRECTION=='H':
SNAKE.appendleft(point(SNAKE[0].x, SNAKE[0].y-1))
elifDIRECTION=='P':
SNAKE.appendleft(point(SNAKE[0].x, SNAKE[0].y+1))
# 其他按键不做任何动作
else: returnNone
collision()
# 是否吃到食物
ifSNAKE[0].x!=FOODPOINT.xorSNAKE[0].y!=FOODPOINT.y:
gotoXYPrint(SNAKE.pop(), ' ')
else:
createFood()

update()

# 长按加速
defSpeed():
globalSPEED
globalORDKEY
globalDIRECTION

whileTrue:
sleep(0.001)
ifmsvcrt.kbhit():
inputKey=msvcrt.getwch()
# 特殊按键
ifinputKey=='\000'orinputKey=='\xe0':
inputKey=msvcrt.getwch()
ifDIRECTION=='K'andinputKey=='M': continue
elifDIRECTION=='M'andinputKey=='K': continue
elifDIRECTION=='H'andinputKey=='P': continue
elifDIRECTION=='P'andinputKey=='H': continue
ifDIRECTION==inputKey:
ifSPEED>=0.02:
SPEED-=0.02
else:
DIRECTION=inputKey
SPEED=0.1

HIGHT=26
WIDTH=60
MAINHANDLE=ctypes.windll.kernel32.GetStdHandle(-11)
SNAKE=deque([])
HEADICON='O'
FOODICON='$'
FOODPOINT=point()

DIRECTION='K'

system(f'mode con cols={WIDTH} lines={HIGHT}')
system("title 贪吃蛇游戏")
# 隐藏光标
ctypes.windll.kernel32.SetConsoleCursorInfo(
MAINHANDLE, ctypes.byref(point(1,0)))

SPEED=0.1
ORDKEY=None
defmain():
globalDIRECTION
globalSPEED
side()
createSnake()
createFood()
InputThead=Thread(target=Speed, daemon=True)
InputThead.start()
whileTrue:
moveSnake()
sleep(SPEED)


if__name__=='__main__':
main()