# Tk_square_unicorn.py

# Tk_square_unicorn.py

from Tkinter import *
from PIL import Image, ImageTk
from math import *
import random
import re

root = Tk()
root.title("Tk Square Unicorn")
root.geometry("500x500")
wi = 500
he = 500
w = Canvas(root, width=wi, height=he)
w.pack()

img = Image.new( 'RGB', (wi,he))

rainbow=[]
def z(r,g,b):
    rainbow.append((r,g,b))
r,g,b=255,0,0
for g in range(256):
    z(r,g,b)
for r in range(254, -1, -1):
    z(r,g,b)
for b in range(256):
    z(r,g,b)
for g in range(254, -1, -1):
    z(r,g,b)
for r in range(256):
    z(r,g,b)
for b in range(254, -1, -1):
    z(r,g,b)
0

mid = 250
bow = len(rainbow)
def d(x,y):
    z = int(degrees(atan2(mid-x,mid-y)*100/22))
    return z
0

zzz = []
for y in range(he):
    for x in range(wi):
        zzz.append(d(x,y))
0
zzz = list(set(zzz))
zzz.sort()

px2rgb = dict(zip(zzz,rainbow))

def run():
    p = '#000000'
    for y in range(he):
        for x in range(wi):
            z = d(x,y)
            try:
                z = px2rgb[z]
                c = '#%02x%02x%02x' % tuple(z)
            except:
                c = p
            w.create_line((x, y, x+1,y+2),fill=c)
            p = c
        root.update()
0
run()