ojalan tähti.py

from PIL import Image
import numpy as np
import random
w = h = 1024
data = np.zeros((h, w, 3), dtype=np.uint8)

parallellism = 2048

point = np.random.rand(parallellism).reshape((parallellism//2,2))

targets = np.array([[0,0],[1,0],[1.5, 0.5*np.sqrt(3)],[0, np.sqrt(3)], [1, np.sqrt(3)], [-0.5, np.sqrt(3)*0.5]])

maxI = 1600

for iteration in range(maxI):

    print(iteration / maxI)

    target = np.array([random.choice(targets) for x in range(parallellism//2)])
    point = point + (target - point)*(1/2)
    coords = 200 * (point + np.array([1, 1]))
    for x in range(parallellism//2):
        data[int(coords[x][1]), int(coords[x][0])] = data[int(coords[x][1]), int(coords[x][0])] + [4, 4, 4]

img = Image.fromarray(data, "RGB")
img.show()