import random

import math

from PIL import Image

imgx = 600
imgy = 600
image = Image.new("RGB", (imgx, imgy))



n = random.randint(50, 100) # of cells

nx = [] 

ny = []

nr = []

ng = []

nb = []

for i in range(n):

    nx.append(random.randint(0, imgx - 1))

    ny.append(random.randint(0, imgy - 1))

    nr.append(random.randint(0, 255))

    ng.append(random.randint(0, 255))

    nb.append(random.randint(0, 255))



for y in range(imgy):

    for x in range(imgx):

        # find the closest cell center

        dmin = math.hypot(imgx - 1, imgy - 1)

        j = -1

        for i in range(n):

            d = math.hypot(nx[i] - x, ny[i] - y)

            if d < dmin:

                dmin = d

                j = i

        

        image.putpixel((x, y), (nr[j], ng[j], nb[j]))



# mark the cell centers

for i in range(n):

    image.putpixel((nx[i], ny[i]),(255 - nr[i], 255 - ng[i], 255 - nb[i]))



image.save(" voronoi.png", "PNG")