mipt_labs/turtle_2/task_2.py

import turtle as t
import typing
import math
import json


DATA: typing.Dict[str, typing.List[typing.Tuple[int, int]]] = json.loads(open('font.json').read())
DIGIT_SIZE = 25


def go_delta(delta_x: int, delta_y: int, coef=DIGIT_SIZE):
    t.seth(math.degrees(math.atan2(-delta_y, delta_x)))
    t.forward(math.hypot(delta_x, delta_y) * coef)


def write_coordinates(data: typing.List[typing.Tuple[int, int]]):
    t.penup()
    go_delta(*data[0])
    t.pendown()
    for previous_point, next_point in zip(data, data[1:]):
        go_delta(next_point[0] - previous_point[0], next_point[1] - previous_point[1])
    t.penup()
    go_delta(-data[-1][0], -data[-1][1])


def write_digit(num: typing.Union[int, str]):
    num: str = str(num)
    data: typing.List[typing.Tuple[int, int]] = DATA.get(num)
    write_coordinates(data)
    go_delta(1.5, 0)


if __name__ == '__main__':
    numbers = input('Numbers: ')
    t.shape('turtle')
    for digit in numbers:
        write_digit(digit)