Fougère de Barnsley
https://en.wikipedia.org/wiki/Barnsley_fern
from random import * from kandinsky import * # Lancer par exemple foug(200000) def foug(n): x, y = 0,0 for _ in range(n): r = random() if r<0.01: nx= 0 ny = 0.16 * y elif r<0.86: nx = 0.85 * x + 0.04 * y ny = -0.04 * x + 0.85 * y + 1.6 elif r<0.93: nx = 0.2 * x - 0.26 * y ny = 0.23 * x + 0.22 * y + 1.6 else: nx = -0.15 * x + 0.28 * y ny = 0.26 * x + 0.24 * y + 0.44 x = nx y = ny set_pixel(int(35*x+143),int(-20*y+210),(30,170,50))