Python turtle实现贪吃蛇游戏

本文实例为大家分享了Python turtle实现贪吃蛇游戏的具体代码，供大家参考，具体内容如下

# Simple Snake Game in Python 3 for Beginners

import turtle
import time
import random

delay = 0.1

# Score
score = 0
high_score = 0

# Set up the screen
wn = turtle.Screen()
wn.title("Snake Game by @TokyoEdTech")
wn.bgcolor("green")
wn.setup(width=600, height=600)
wn.tracer(0)  # Turns off the screen updates

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

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

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  High 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: {}  High Score: {}".format(score, high_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 > high_score:
           high_score = score

pen.clear()
       pen.write("Score: {}  High Score: {}".format(score, high_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 head collision with the body segments
   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: {}  High Score: {}".format(
               score, high_score), align="center", font=("Courier", 24, "normal"))

time.sleep(delay)

wn.mainloop()

来源：https://blog.csdn.net/allway2/article/details/117790619