# Tk_checker_ani.py

# Tk_checker_ani.py

from random import randint as rndi
from tkinter import *
from math import cos, sin, radians, floor

ww = 500
hh = 500

def rgb(r,g,b):
    return '#{:02x}{:02x}{:02x}'.format(r,g,b)
bg_color = rgb(136,19,8)

root = Tk()
canvas = Canvas(root,width=ww,height=hh,bg=bg_color)
canvas.pack()
'''
s=50,r=0,draw=a=>{for(r||createCanvas(W=500,W,WEBGL),background(136,19,8),i=0;
i<121;i++)push(),translate(i%11*s-W/2,floor(i/11)*s-W/2,0),rotateY(i/22+r),
rotateX(sin(r/10)/2),fill([0,255][i%2]),box(s,s,1),pop();r+=.05}
'''

s=50
s2=s/2
r=0
while 1:
    canvas.delete('all')
    for i in range(121):
        zzz = sin(r*0.01)*1 ###
        x,y = int(i%11*s)-250, int(floor(i/11)*s) ###
        x2 = sin(i*0.05+r)/2*s ###
        y2 = s2-(cos(i/11+r)/2*22*zzz)
        fg_color = ['white','black'][i%2] ###
        box = [(x+xx+y2*10,y+yy) for xx,yy in [(-x2,-s2),(-x2,y2),(x2,s2),(x2,-y2)]]
        canvas.create_polygon(box,fill=fg_color,outline='')
        r=r+0.0002
    canvas.update()