#!/usr/bin/env python3

import sk6812_multistrip as sk6812
import time
import math
import sys

num_modules = 16
num_strips = 8

interval = 1/20

w = sk6812.SK6812(sys.argv[1], 2703)

color = [0x20, 0x40, 0x00, 0x10]

cur_strip = 0

while True:
  w.set_fadestep(int(0.80/interval))
  for k in range(num_modules):
    f = 1#math.sin(math.pi * k / num_modules)
    w.add_color(cur_strip, k, f*color[0], f*color[1], f*color[2], f*color[3])

  for strip in range(8):
    for i in range(num_modules):
      w.fade_color(strip, i, 0, 0, 0, 0)

  w.commit()

  cur_strip += 1
  cur_strip %= num_strips

  time.sleep(interval)