__main__.py

from turtle import Turtle, Screen
from snake import Snake
from food import Food
from scoreboard import Scoreboard
import time

screen = Screen()
screen.setup(width=600, height=600)
screen.bgcolor('black')
screen.title("MY SNAKE GAME")
screen.tracer(0)

scoreboard = Scoreboard()
snake = Snake()
food = Food()

screen.listen()

screen.onkey(snake.up, "Up")
screen.onkey(snake.down, "Down")
screen.onkey(snake.right, "Right")
screen.onkey(snake.left, "Left")

game_is_on = True
while game_is_on:
    screen.update()
    time.sleep(0.1)
    snake.move()

    # Detect collision with food
    if snake.head.distance(food) < 15:
        food.refresh()
        snake.extend()
        scoreboard.score += 1
        scoreboard.write_score()

    # Detect collision with wall
    if snake.head.xcor() > 280 or snake.head.xcor() < -280 or snake.head.ycor() > 280 or snake.head.ycor() < -280:
        game_is_on = False
        scoreboard.game_over()

    # Detect collision with tail
    for segment in snake.segments[1:]:
        if snake.head.distance(segment) < 10:
            game_is_on = False
            scoreboard.game_over()

screen.exitonclick()