# Tk_Animate_Tunnel.py

# Tk_Animate_Tunnel.py

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

def rgb2hex(rgb):
    r,g,b = [int(max(0,z)) for z in rgb]
    return "#{:02x}{:02x}{:02x}".format(r,g,b)

ww = 680
hh = 680
root = Tk()
root.title("Tk Animate Tunnel")
root.geometry("%dx%d+0+0"%(ww,hh))
canvas = Canvas(root, width=ww, height=hh, bg=rgb2hex((200,200,255)))
canvas.grid()

def square(Ymin,Xmin,v,cl):
    color = rgb2hex((cl/1.5,cl/1.5,cl))
    sq = [int(z)+ww/2+10 for z in Xmin-v,Ymin-v,Xmin+v,Ymin+v]
    canvas.create_rectangle(sq,fill=color,outline=color)

c = 0
while 1:
    canvas.delete(ALL)
    delay = time.clock()+0.1

    cm = 255
    a = range(370,10,-30)
    d = len(a)
    for n in a :
        z = math.sin(c)*10
        z1 = math.cos(c*0.995)*10
        square(0.5-z1,0.5-d+z+z1,n*0.80, cm)
        c += 1
        cm -= 15

    while delay > time.clock():
        0
    root.update()