#!/usr/bin/env python

import sk6812_multistrip as sk6812
import time
import math
import sys

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

phase = 0
nled = 16
nstrip = 8

interval = 1.0/60

scale = 0.1

strip = 0

while True:
  for i in range(nled):
    x = 2*math.pi * i / nled
    r = scale * (127 + 127 * math.sin(x + 8*phase + 0 * math.pi/2))
    g = scale * (127 + 127 * math.sin(x + 4*phase + 1 * math.pi/2))
    b = scale * (127 + 127 * math.sin(x + 2*phase + 2 * math.pi/2))
    w = scale * (127 + 127 * math.sin(x + 1*phase + 3 * math.pi/2))

    for strip in range(nstrip):
        s.set_color(strip, i, r, g, b, w)

  s.commit()

  phase += 2*math.pi * interval / 10
  time.sleep(interval)