# Tk_trippy_chessboard.py

# Tk_trippy_chessboard.py

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

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

img = Image.new( 'RGB', (wi,he))
cols = {}
xy = []

DIM = 500

def r(i, j):
    i+=sin(4*pi*j/DIM)*DIM/100;i=max(1,min(i,DIM-1))
    return int(ceil(4+sin(8*pi*i/DIM)*sin(8*pi*j/DIM)*3)*32)

def g(i, j):
    return int(r(i,j))

def b(i, j):
    return int(r(i,j)-cos(4*pi*i/DIM)*16)

for y in range(DIM):
    for x in range(DIM):
        c = '#%02x%02x%02x' % (r(x, y),g(x, y),b(x, y))
        w.create_line((x, y, x+1,y+2),fill=c)
root.update()