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It draws 6 regular polygon fractals.

Python, 35 lines
 ``` 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35``` ```# Regular Polygon Fractals using iteration method # FB - 201003206 from PIL import Image import math imgx = 512 imgy = 512 maxIt = 16 # max iterations allowed for n in range(3, 9): image = Image.new("RGB", (imgx, imgy)) m = n % 2 p = float(n - m - 2.0) / 4.0 + 2.0 q = p - 1.0 af = 2.0 * math.pi / n for ky in range(imgy): for kx in range(imgx): x = kx * 2.0 / (imgx-1.0) - 1.0 y = ky * 2.0 / (imgy-1.0) - 1.0 for i in range(maxIt): a = math.atan2(y, x) if a < 0: a = 2.0 * math.pi - math.fabs(a) k = int(a / af) % n x = x * p - math.cos(k * af + af / 2.0) * q y = y * p - math.sin(k * af + af / 2.0) * q if math.hypot(x, y) > 1.0: break r = i % 4 * 64 g = i % 8 * 32 b = i % 16 * 16 image.putpixel((kx, ky), b * 65536 + g * 256 + r) image.save("rpItfr_" + str(n) + ".png", "PNG") ```
 Created by FB36 on Sat, 20 Mar 2010 (MIT)