# tk_Piranha_Frenzy.py

# tk_Piranha_Frenzy.py

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

ww = 600
hh = 600

root = tk.Tk()
root.title("tk Piranha Frenzy")

canvas = tk.Canvas(root, width=ww+300, height=hh)
canvas.pack()

def create_layers():
    img = Image.new("L", (ww+200, hh+200))
    dr = ImageDraw.Draw(img)
    dr.rectangle(((0, 0), (ww+200, (hh+200) * 0.80)), fill='white')
    pixels = list(img.getdata())
    random.shuffle(pixels)
    img.putdata(pixels)
    return img

image_A = create_layers()
image_B = create_layers()

while 1:
    image_A = image_A.filter(ImageFilter.BLUR)
    image_B = image_B.filter(ImageFilter.BLUR)

    image_A = image_A.point(lambda i: (i + 1) % 255)
    image_B = image_B.point(lambda i: (i + 1) % 254)

    image = Image.blend(image_A, image_B, 0.5)

    left = 100
    top = 100
    right = ww + 100
    bottom = hh + 100

    image = image.crop((left, top, right, bottom))

    photo = ImageTk.PhotoImage(image)
    canvas.create_image(0, 0, image=photo, anchor=tk.NW)
    root.update()