python海龟编辑器做贪吃蛇代码

可以参考以下代码：

import turtle
import time
import random

delay = 0.1

# Set up the screen
wn = turtle.Screen()
wn.title("Snake Game by CSDN")
wn.bgcolor("green")
wn.setup(width=600, height=600)

# Snake head
head = turtle.Turtle()
head.shape("square")
head.color("black")
head.penup()
head.goto(0, 0)
head.direction = "stop"

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

# Snake body
segments = []

# Pen
pen = turtle.Turtle()
pen.speed(0)
pen.shape("square")
pen.color("white")
pen.penup()
pen.hideturtle()
pen.goto(0, 260)
pen.write("Score: 0", align="center", font=("Courier", 24, "normal"))

# Functions
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"

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)

# Keyboard bindings
wn.listen()
wn.onkeypress(go_up, "Up")
wn.onkeypress(go_down, "Down")
wn.onkeypress(go_left, "Left")
wn.onkeypress(go_right, "Right")

# Main game loop
while True:
wn.update()

# Check for a collision with the border
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"

# Hide the segments
for segment in segments:
segment.goto(1000, 1000)

# Clear the segments list
segments.clear()

# Reset the score
score = 0

# Reset the delay
delay = 0.1

pen.clear()
pen.write("Score: {}".format(score), align="center", font=("Courier", 24, "normal"))

# Check for a collision with the food
if head.distance(food) < 20:
# Move the food to a random spot
x = random.randint(-290, 290)
y = random.randint(-290, 290)
food.goto(x, y)

# Add a segment
new_segment = turtle.Turtle()
new_segment.speed(0)
new_segment.shape("square")
new_segment.color("grey")
new_segment.penup()
segments.append(new_segment)

# Shorten the delay
delay -= 0.001

# Increase the score
score += 10

if score > 0 and score % 50 == 0:
# Increase the speed of the snake
delay *= 0.9

pen.clear()
pen.write("Score: {}".format(score), align="center", font=("Courier", 24, "normal"))

# Move the end segments first in reverse order
for index in range(len(segments) - 1, 0, -1):
x = segments[index - 1].xcor()
y = segments[index - 1].ycor()
segments[index].goto(x, y)

# Move segment 0 to where the head is
if len(segments) > 0:
x = head.xcor()
y = head.ycor()
segments[0].goto(x, y)

move()

# Check for a collision with the body
for segment in segments:
if segment.distance(head) < 20:
time.sleep(1)
head.goto(0, 0)
head.direction = "stop"

# Hide the segments
for segment in segments:
segment.goto(1000, 1000)

# Clear the segments list
segments.clear()

# Reset the score
score = 0

# Reset the delay
delay = 0.1

# Update the score display
pen.clear()
pen.write("Score: {}".format(score), align="center", font=("Courier", 24, "normal"))

time.sleep(delay)

wn.mainloop()