# tk_wave_dict.py

# tk_wave_dict.py

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

WW = 600
HH = 600

root = tk.Tk()
root.geometry(f"{WW}x{HH}+0+0")

canvas = tk.Canvas(root, width=WW, height=HH)
canvas.pack()

def polar_to_cartesian(radius, degrees):
    radians = math.radians(degrees)
    x = int(radius * math.cos(radians))
    y = int(radius * math.sin(radians))
    return x, y

xy = {}
xy[0] = []
for radius in range(2, 801):
    for degrees in range(0, 360):
        xy[(radius, degrees)] = polar_to_cartesian(radius, degrees)
        xy[0] += [(radius, degrees)]

def slide_dots():
    canvas.move('dot', -5, 0)
    xy[0].pop(0)
    xy[0].pop(0)
    xy[0].pop(0)
    xy[0].pop(0)
    radius, degrees = xy[0].pop(0)
    x, y = xy[(radius, degrees)]
    canvas.create_rectangle(WW-2, HH//2+y-2, WW-2+4, HH//2+y+2, fill="red", outline='', tags="dot")
    root.update()
    root.after_idle(slide_dots)

slide_dots()

root.mainloop()