# tk_infinite_cavern.py

# tk_infinite_cavern.py

import tkinter as tk
import math
import random
from PIL import Image, ImageTk, ImageFilter, ImageGrab
import ctypes

ww = 600
hh = 600
cx, cy = ww//2, hh//2

root = tk.Tk()
root.geometry("%dx%d+0+0"%(ww,hh))
canvas = tk.Canvas(root, bg='white', width=ww, height=hh)
canvas.pack()

radius = 1.5

rgb = [i for i in range(0, 256, 5)]
colors = ['#{:02x}{:02x}{:02x}'.format(r,g,b) for r in rgb for g in rgb for b in rgb][40:-40]
random.shuffle(colors)

number_of_points = 12
morph_steps = 400

points = []
def blob():
    points[:] = []
    for j in range(number_of_points):
        angle = 2 * math.pi * j / number_of_points
        r = radius * random.uniform(0.2, 1)
        a = angle * random.uniform(0.95, 1)
        x = cx + r * math.cos(a)
        y = cy + r * math.sin(a)
        points.append((x, y))

# Zoom into the center of the screen
i = 0
scale = 1.02
blur_img = Image.new('RGB', (ww, hh), "white")
blur_img = blur_img.filter(ImageFilter.GaussianBlur(5))
while True:
    canvas.scale('all', cx, cy, scale, scale)
    if not int(i) % 80:
        blob()
        color = colors.pop(0)
        canvas.create_polygon(points, smooth=True, fill=color, outline='')
        colors.insert(-(10-int(i%10)), color)
    i += scale
    i %= 999999999
    canvas.update()