main.py

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

screen = Screen()
screen.setup(width=600, height=600)
screen.bgcolor("black")
screen.title("snake game - Yuan")
screen.tracer(0)
# should use update to check animation

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

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

# score_start = 0



game_is_on = True
while game_is_on:
    screen.update()
    time.sleep(0.4)
    snake.move()

    if snake.head.distance(food) < 15:
        food.refresh()
        snake.extend()
        scoreboard.add_score()

    if snake.head.xcor() > 280 or snake.head.xcor() < -280 or snake.head.ycor() > 280 \
            or snake.head.ycor() < -280:
        scoreboard.game_over()
        game_is_on = False


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



screen.exitonclick()