# tk_blob_zoom_optimized.py

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

WW, HH = 640, 640
WC, HC = WW // 2, HH // 2
root = tk.Tk()
root.title("# tk_blob_zoom_optimized.py")
canvas = tk.Canvas(root, width=WW, height=HH, bg='black')
root.geometry("%dx%d+10+10" % (WW, HH))
canvas.pack()

scale_factor = 1.025
number_of_points = 16
tag_ids = []
points = []

def capture_canvas():
    image = Image.new("RGBA", (WW, HH), (0, 0, 0, 0))
    draw = ImageDraw.Draw(image)

    for item in canvas.find_all():
        item_type = canvas.type(item)
        coords = canvas.coords(item)

        if item_type == "polygon":
            color = canvas.itemcget(item, "fill")
            draw.polygon(coords, fill=color)

    return image

def make_polygon(args):
    r0, g0, b0, points = args
    tag_ids.append(canvas.create_polygon(points, fill="#{:02x}{:02x}{:02x}".format(r0, g0, b0), smooth=True))

def blob():
    del points[:]
    r0, g0, b0 = [random.randint(0, 255) for _ in range(3)]
    for j in range(number_of_points):
        angle = 2 * math.pi * j / number_of_points
        r = random.uniform(1, 0.05)
        a = angle * random.uniform(0.95, 1)
        x = WC + r * math.cos(a)
        y = HC + r * math.sin(a)
        points.extend((x, y))
    return r0, g0, b0, points

def plot():
	for _ in range(40):
		for obj in list(tag_ids):
			x1, y1, x2, y2 = canvas.bbox(obj)
			if x2 > 4000:
				obj_color = canvas.itemcget(obj, "fill")
				canvas.configure(bg=obj_color)
				canvas.delete(obj)
				tag_ids.remove(obj)
				continue
			center_x = (x1 + x2) / 2
			center_y = (y1 + y2) / 2
			new_width = (x2 - x1) * scale_factor
			new_height = (y2 - y1) * scale_factor
			delta_x = (new_width - (x2 - x1)) / 2
			delta_y = (new_height - (y2 - y1)) / 2
			canvas.scale(obj, center_x, center_y, scale_factor, scale_factor)
		
		canvas.update()

while 1:
    make_polygon(blob())
    plot()

root.mainloop()