python写贪吃蛇

from graphics import *
import random
import time

t1=0.2
#画蛇
def drawl(list):
    for p in list:
        (x,y)=p
        rect=Rectangle(Point(12*x,12*y),Point(12*x+12,12*y+12))
        rect.setFill('yellow')
        rect.draw(win)
    p=list[0]
    (x,y)=p
    cir=Circle(Point(12*x+6,12*y+6),2)
    cir.setFill('green')
    cir.draw(win)

def draw(n,f):
    (x,y)=n
    rect=Rectangle(Point(12*x,12*y),Point(12*x+12,12*y+12))
    rect.setFill('yellow')
    rect.draw(win)
    if f:
        cir=Circle(Point(12*x+6,12*y+6),2)
        cir.setFill('green')
        cir.draw(win)
#删2333333
def delete(n):
    (x,y)=n
    rect=Rectangle(Point(12*x,12*y),Point(12*x+12,12*y+12))
    rect.setFill('grey')
    rect.setOutline('grey')
    rect.draw(win)
#游戏失败23333333
def lose():
    message = Text(Point(180,180),"You lose.Click anywhere to quit.")
    message.draw(win)

def produce_bean(list):
    x=random.randint(0,29)
    y=random.randint(0,29)
    while (x,y) in list:
        x=random.randint(0,29)
        y=random.randint(0,29)
    cir=Circle(Point(12*x+6,12*y+6),6)
    cir.setFill('red')
    cir.draw(win)
    return (x,y)

    
#接收方向键操作,控制小蛇
def tanchishe():
    list1=[(15,15),(15,16),(15,17)]
    drawl(list1)
    bean=produce_bean(list1)
    a=win.getKey()
    get=False
    
    while True:
        b=a
        time.sleep(t1)
        a=win.checkKey()
        if a=="":
            a=b
        
        if a=="Up":
            (x,y)=list1[0]
            y-=1
            if (y==-1 or (x,y) in list1):
                lose()
                break
            list1.insert(0,(x,y))
            if (x,y)!=bean:
                delete(list1[-1])
                list1.pop()
                delete(list1[1])
                draw(list1[1],False)
                draw(list1[0],True)
            else:
                get=True
                delete(list1[1])
                draw(list1[1],False)
                draw(list1[0],True)
                bean=produce_bean(list1)

        elif a=="Down":
            (x,y)=list1[0]
            y+=1
            if (y==30 or (x,y) in list1):
                lose()
                break
            list1.insert(0,(x,y))
            if (x,y)!=bean:
                delete(list1[-1])
                list1.pop()
                delete(list1[1])
                draw(list1[1],False)
                draw(list1[0],True)
            else:
                get=True
                delete(list1[1])
                draw(list1[1],False)
                draw(list1[0],True)
                bean=produce_bean(list1)

        elif a=="Left":
            (x,y)=list1[0]
            x-=1
            if (x==-1 or (x,y) in list1):
                lose()
                break
            list1.insert(0,(x,y))
            if (x,y)!=bean:
                delete(list1[-1])
                list1.pop()
                delete(list1[1])
                draw(list1[1],False)
                draw(list1[0],True)
            else:
                get=True
                delete(list1[1])
                draw(list1[1],False)
                draw(list1[0],True)
                bean=produce_bean(list1)

        elif a=="Right":
            (x,y)=list1[0]
            x+=1
            if (x==30 or (x,y) in list1):
                lose()
                break
            list1.insert(0,(x,y))
            if (x,y)!=bean:
                delete(list1[-1])
                list1.pop()
                delete(list1[1])
                draw(list1[1],False)
                draw(list1[0],True)
            else:
                get=True
                delete(list1[1])
                draw(list1[1],False)
                draw(list1[0],True)
                bean=produce_bean(list1)
    
    win.getMouse()
    win.close()

            
    
#游戏界面
win=GraphWin("贪吃蛇",360,360)
win.setBackground('grey')
tanchishe()









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