main.py

import time
from snake import Snake
from food import Food
from scoreboard import Scoreboard
from turtle import Turtle, Screen
head = Turtle()
screen = Screen()
screen.setup(width=600, height=600)
screen.bgcolor("black")
screen.tracer(0)
# Object creations
snake = Snake()
food = Food()
scoreboard = Scoreboard()
# Event listeners
screen.listen()
screen.onkey(snake.up, "Up")
screen.onkey(snake.down, "Down")
screen.onkey(snake.left, "Left")
screen.onkey(snake.right, "Right")
screen.onkey(snake.up, "w")
screen.onkey(snake.down, "s")
screen.onkey(snake.left, "a")
screen.onkey(snake.right, "d")
# Boolean to track game status
game_is_on = True
# Game Program
while game_is_on:
    screen.update()
    time.sleep(0.1)
    snake.move()
    # Detects food pill collision
    if snake.head.distance(food) < 15:
        snake.extend()
        food.refresh()
        scoreboard.increase_score()
    # Detects 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 tail collision
    for segment in snake.segments[1:]:
        if snake.head.distance(segment) < 5:
            game_is_on = False
            scoreboard.game_over()

screen.exitonclick()