python2343564321

import turtle
import time
import random

delay = 0.1

#window
print("hello")
wn = turtle.Screen()
wn.title("Snake Game")
wn.bgcolor("green")
wn.setup(width=600, height=600)
wn.tracer(0)

#snake
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 = []
#functions
def go_up():
    head.direction = "up"

def go_down():
    head.direction = "down"

def go_right():
    head.direction = "right"

def go_left():
    head.direction = "left"

#keyboard bindings
wn.listen()
wn.onkeypress(go_up, "w")
wn.onkeypress(go_down, "s")
wn.onkeypress(go_left, "a")
wn.onkeypress(go_right, "d")

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)

#mainloop
while True:
    wn.update()

    #check for collision with food
    if head.distance(food) < 20:
        #move food
        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("black")
        new_segment.penup()
        segments.append(new_segment)

    #move last segments first
    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 0 to where head is
    if len(segments) > 0:
        x = head.xcor()
        y = head.ycor()
        segments[0].goto(x, y)
    #check if snake is off border
    if head.xcor()>300 or head.xcor()<-300 or head.ycor()>300 or head.ycor()<-300:
        time.sleep(1)
        head.goto(0,0)
        head.direction = "stop"

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

    move()

    time.sleep(delay)

wn.mainloop()

turtle.done()