#!/usr/bin/env python

import sk6812
import time
import random

s = sk6812.SK6812("zybot", 2703)
s.set_fadestep(10)

colorcycle = [
        (255, 0, 0, 0),
        (0, 255, 0, 0),
        (0, 0, 255, 0),
        (0, 0, 0, 255),
        (255, 0, 0, 255),
        (0, 255, 0, 255),
        (0, 0, 255, 255),
        (255, 255, 255, 255),
        ]

k = 0

while True:
  r = colorcycle[k][0]
  g = colorcycle[k][1]
  b = colorcycle[k][2]
  w = colorcycle[k][3]

  for i in range(300):
    s.fade_color(i, r, g, b, w)
    s.commit()
    time.sleep(0.01)

  k = (k + 1) % len(colorcycle)
  time.sleep(1)