# This game is from the official documentation of freegames

# https://pypi.org/project/freegames/

# pip install freegames

# Tap on Tile to Move

# import modules

from random import *

import turtle as t

from freegames import square, vector

# Set window title, color and icon

t.title("Snake")

root = t.Screen()._root

root.iconbitmap("logo-ico.ico")

t.bgcolor('#99ffbb')

food = vector(0, 0)

snake = [vector(10, 0)]

aim = vector(0, -10)

# Functions

# Change snake direction

def change(x, y):

aim.x = x

aim.y = y

# Return True if head inside boundaries

def inside(head):

return -200 < head.x < 190 and -200 < head.y < 190

# Move snake forward one segment

def move():

head = snake[-1].copy()

head.move(aim)

if not inside(head) or head in snake:

square(head.x, head.y, 9, 'red')

t.update()

return

snake.append(head)

if head == food:

print('Snake:', len(snake))

food.x = randrange(-15, 15) * 10

food.y = randrange(-15, 15) * 10

else:

snake.pop(0)

t.clear()

for body in snake:

square(body.x, body.y, 9, '#802b00')

square(food.x, food.y, 9, '#cc99ff')

t.update()

t.ontimer(move, 100)

t.setup(420, 420, 370, 0)

t.hideturtle()

t.tracer(False)

t.listen()

t.onkey(lambda: change(10, 0), 'Right')

t.onkey(lambda: change(-10, 0), 'Left')

t.onkey(lambda: change(0, 10), 'Up')

t.onkey(lambda: change(0, -10), 'Down')

move()

t.done()