Спиральный квадрат

from tkinter import *
import math
import copy
from random import randrange as rnd, choice
root = Tk()
root.geometry('600x600')
canv = Canvas(root, bg = 'white')
canv.pack(fill = BOTH, expand = 1)


class Point():
    def __init__(self,x,y):
        self.x = x
        self.y = y


def getXY(p1,p2,t):
    x = p1.x + (p2.x-p1.x)*t
    y = p1.y + (p2.y-p1.y)*t
    return Point(x,y)


t = 1/5

points = []
points.append(Point(100,100))
points.append(Point(300,100))
points.append(Point(400,300))
points.append(Point(200,500))
points.append(Point(100,200))


n = 30

for i in range(n):

    new_points = []
    for i in range(len(points)):
        p1 = points[i-1]
        p2 = points[i]
        canv.create_line(p1.x,p1.y,p2.x,p2.y)

        p = getXY(p1,p2,t)
        new_points.append(p)

    points = copy.deepcopy(new_points)




mainloop()