burnship.py

Created by schraf

Created on March 17, 2025

794 Bytes

En savoir plus sur la (more about) fractale “burning ship” : Français | English

from kandinsky import *
import math
from time import sleep

def burning_ship(a,b,e,f):
  for x in range(320):
    for y in range(222):
      z = complex(0, 0)
      c = complex(a*x/319+b, e*y/221+f)
      i = 0
      while (i < N_iteration) and abs(z) < 3:
        i = i + 1
        z = complex(abs(z.real), abs(z.imag))
        z = z*z + c
      if i == N_iteration:
        col = color(0, 0, 0)
      else:
        t = i / N_iteration
        rr = int(9*(1-t)*t**3*255)
        gg = int(15*(1-t)*(1-t)*t*t*255)
        bb = int(8.5*(1-t)**3*t*255)
        col = color(rr,gg,bb)
      set_pixel(x, 222 - y, col)

N_iteration = 60

for (a,b,c,d) in (3,-2,-2,.5), (.15,-1.8,-.1,0.015), (.003,-1.9088,-.002,.0001):
 fill_rect(0,0,320,222,(255,)*3)
 burning_ship(a,b,c,d)
 sleep(2)