# Tk_wavy_wireframe2.py

# Tk_wavy_wireframe2.py

import math
import time
from Tkinter import *
import random

root = Tk()
width,height=680,680
root.geometry("%dx%d+-10+0"%(width,height))
canvas = Canvas(root,width=width, height=height, background="grey" )
canvas.grid()

m = 20
n = 20
p = 30
color = 'blue'

px = 50
py = 50

k = 0
angles = 360.0 / (m*n)
spots = []
lines = []
for i in range(m):
    xx = []
    yy = []
    v = k/20
    for j in range(n):
        x = px+(i*p)
        y = py+(j*p)
        spots += [[k,x,y]]
        xx.append(k)
        yy.append(v)
        k += 1
        v += 20
    lines.extend([xx,yy])
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amount = len(spots)
speeds = [(i*0.025) for i in range(amount+1)]
while 1:
    canvas.delete('all')
    plot = []
    for i in range(amount):
        j,x,y = spots[i]
        k = (j+1-(speeds[i]))%amount
        spots[i] = [k,x,y]
        angle = j * angles
        u = ((amount-i)*0.04) * math.sin(angle*math.pi/180)
        v = ((amount-i)*0.03) * math.cos(angle*math.pi/180)
        x += u
        y += v
        u = (i*0.04) * math.sin(angle*math.pi/180)
        v = (i*0.03) * math.cos(angle*math.pi/180)
        x += u
        y += v
        plot += [(x,y)]
    for line in lines:
        p = [plot[i] for i in line]
        canvas.create_line(p, fill=color)
    canvas.update()
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