python贪吃蛇模块设计一(真正的游戏效果还未实现)

import random
import time
import turtle
#分数
score =0
#最高分
heigh_score =0
# 移动延迟
delay =0.2
#创建屏幕
window=turtle.Screen()
#设置标题
window.title("贪吃蛇")
#背景颜色
window.bgcolor("white")
#窗口大小
window.setup(width=600,height=600)

#创建蛇
head=turtle.Turtle()
head.speed(0)
head.color("grey")
head.shape("square")
head.penup()
head.goto(0,0)
head.direction="Stop"#设置头部为静止
head.shapesize(0.5,0.5,1)#宽度、长度、轮廓

#创建食物
food=turtle.Turtle()
food.speed(0)
food.color("blue")
food.shape("square")
food.penup()
food.goto(0,100)
food.shapesize(0.5,0.5,1)#宽度、长度、轮廓

#创建计数板
pen=turtle.Turtle()
pen.speed(0)
pen.color("red")
pen.penup()
pen.hideturtle()#隐藏海龟
pen.goto(0,260)
pen.write("得分:0 最高分:0",align="center",font=("Courier",27,"normal"))

#定义函数和规范
def do_up():
    if head.direction != "down":
        head.direction ="up"
def do_down():
    if head.direction != "up":
        head.direction ="down"
def do_left():
    if head.direction != "right":
        head.direction ="left"
def do_right():
    if head.direction != "left":
        head.direction ="right"

def move():
    if head.direction=="up": #蛇头往上
        y = head.ycor()#获取当前y轴的坐标
        he服务器托管网ad.sety(y+20) #向上移动一格
    if head.direction=="down": #蛇头往下
        y = head.ycor()#获取当前y轴的坐标
        head.sety(y-20) #向下移动一格
    if head.direction=="left": #蛇头往左
        x = head.xcor()#获取当前x轴的坐标
        head.setx(x-20) #向左移动一格
    if head.direction=="right": #蛇头往右
        x = head.xcor()#获取当前x轴的坐标
        head.setx(x+20) #向右移动一格

#设置监听事件
window.l服务器托管网isten()
window.onkeypress(do_up,"w")#绑定w键，触发do_up函数,蛇向上走
window.onkeypress(do_down,"s")#绑定w键，触发do_down函数
window.onkeypress(do_left,"a")#绑定w键，触发do_left函数
window.onkeypress(do_right,"d")#绑定w键，触发do_right函数

#设置蛇的身体
segments=[]

while True:
    window.update() #更新窗口
    if head.xcor()>290 or head.xcor()290 or head.ycor()heigh_score:
            heigh_score=score
        pen.clear()
        pen.write("得分:", score, "最高分:", heigh_score, align="center", font=("Courier", 27, "normal"))

        #贪吃蛇移动
        for index in range(len(segments)-1,0,-1):
            x=segments[index-1].xcor()
            y = segments[index - 1].ycor()
            segments[index].goto(x,y)
        if len(segments)>0:
            x=head.xcor()
            y=head.ycor()
            segments[0].goto(0,y)
        move()
#主循环事件
window.mainloop()