dela_p173.py

Created by schraf

Created on December 19, 2024

627 Bytes

from turtle import *
from math import *

hideturtle()
speed(0)

W, M, N, K = 160, 1, 9, 4

L = 1/3, 1/6, 1/3, 1/6, 1/6, 1/3, 1/6, 1/3, 1/3
A = 0, pi / 2, 0, -pi / 2, -pi / 2, -pi, pi / 2, 0, 0

def draw_fractal():
 penup()
 goto(0 - W, 0)
 pendown()
 xa, ya = 2 * W, W
 x0, y0 = 0, W
 a0 = atan2(ya - y0, xa)
 i = 0
 while i <= N**K - 1:
  ll, aa, bb, t1 = 2 * W, a0, 1, i
  for j in range(K):
   r = N ** (K - j - 1)
   t2 = t1 // r
   aa += bb * A[t2]
   ll *= L[t2]
   t1 -= t2 * r
  x0 += ll * cos(aa)
  y0 += ll * sin(aa)
  penup() if t2 == 7 else pendown()
  goto(x0 - W, y0 - W)
  i += 1

draw_fractal()

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