Python代码，贪吃蛇游戏。

import turtle
import time
import random

# 游戏窗口设置
window = turtle.Screen()
window.title("贪吃蛇 by Python")
window.bgcolor("black")
window.setup(width=600, height=600)
window.tracer(0)  # 关闭自动刷新

# 蛇头
head = turtle.Turtle()
head.speed(0)
head.shape("square")
head.color("white")
head.penup()
head.goto(0, 0)
head.direction = "stop"

# 食物
food = turtle.Turtle()
food.speed(0)
food.shape("circle")
food.color("red")
food.penup()
food.goto(0, 100)

segments = []  # 蛇身体
score = 0      # 得分
high_score = 0 # 最高分

# 计分板
pen = turtle.Turtle()
pen.speed(0)
pen.color("white")
pen.penup()
pen.hideturtle()
pen.goto(0, 260)
pen.write("得分: 0  最高分: 0", align="center", font=("Arial", 24, "normal"))

# 移动控制函数
def go_up():
    if head.direction != "down":
        head.direction = "up"

def go_down():
    if head.direction != "up":
        head.direction = "down"

def go_left():
    if head.direction != "right":
        head.direction = "left"

def go_right():
    if head.direction != "left":
        head.direction = "right"

# 键盘控制绑定
window.listen()
window.onkeypress(go_up, "w")
window.onkeypress(go_down, "s")
window.onkeypress(go_left, "a")
window.onkeypress(go_right, "d")

# 移动函数
def move():
    if head.direction == "up":
        y = head.ycor()
        head.sety(y + 20)
    if head.direction == "down":
        y = head.ycor()
        head.sety(y - 20)
    if head.direction == "left":
        x = head.xcor()
        head.setx(x - 20)
    if head.direction == "right":
        x = head.xcor()
        head.setx(x + 20)

# 主游戏循环
while True:
    window.update()
    
    # 检测碰撞边界
    if head.xcor()>290 or head.xcor()<-290 or head.ycor()>290 or head.ycor()<-290:
        time.sleep(1)
        head.goto(0,0)
        head.direction = "stop"
        
        # 重置蛇身体
        for segment in segments:
            segment.goto(1000, 1000)
        segments.clear()
        
        # 重置得分
        score = 0
        pen.clear()
        pen.write(f"得分: {score}  最高分: {high_score}", align="center", font=("Arial", 24, "normal"))
    
    # 吃到食物
    if head.distance(food) < 20:
        # 生成新食物位置
        x = random.randint(-14, 14) * 20
        y = random.randint(-14, 14) * 20
        food.goto(x, y)
        
        # 添加新身体段
        new_segment = turtle.Turtle()
        new_segment.speed(0)
        new_segment.shape("square")
        new_segment.color("grey")
        new_segment.penup()
        segments.append(new_segment)
        
        # 更新得分
        score += 10
        if score > high_score:
            high_score = score
        pen.clear()
        pen.write(f"得分: {score}  最高分: {high_score}", align="center", font=("Arial", 24, "normal"))
    
    # 移动身体段
    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(x, y)
    
    move()
    
    # 检测身体碰撞
    for segment in segments:
        if segment.distance(head) < 20:
            time.sleep(1)
            head.goto(0,0)
            head.direction = "stop"
            for segment in segments:
                segment.goto(1000, 1000)
            segments.clear()
            score = 0
            pen.clear()
            pen.write(f"得分: {score}  最高分: {high_score}", align="center", font=("Arial", 24, "normal"))
    
    time.sleep(0.1)

window.mainloop()