#!/usr/bin/env nix-script
#!>python
#! python | pillow

## Fun with PIL during boring lesson. Generate DNA microarray-like images.

from PIL import Image
from threading import Thread
import math
import random

def color():
  a = (random.randint(0, 255), random.randint(0, 255), 0)
  b = (0, 0, 0)
  return random.choice((a, b))

def draw(image, x, y, c, d, color):
  for i in range(d):
    for k in range(d):
      if abs(complex(x+i, y+k) - complex(c[0], c[1])) <= d/3:
        image.putpixel((x + i, y + k), color)

def main():
  d = 16
  img = Image.new('RGB', (2528, 2528), '#000')
 
  for i in range(0, img.size[0], d):
    for k in range(0, img.size[1], d):
      Thread(draw(img, i, k, (i + d/2, k + d/2), d, color())).start()
  img.show()

if __name__ == '__main__':
  main()