#!/usr/bin/env python3

import sk6812_multistrip as sk6812
import math
import sys
import time

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

nled = 16
nstrip = 8

interval = 1/30

for led in range(nled):
    for strip in range(nstrip):
        s.fade_color(strip, led, 0, 0, 0, 0)

s.commit()

loop = 0
while True:
    intensity = int(64 * math.sin(2*math.pi * (loop * interval) * 0.25)**2)

    r = 0
    g = 0
    b = intensity
    w = 0

    for strip in range(nstrip):
        s.set_color(strip, 0, r, g, b, w)

    s.commit()

    time.sleep(interval)

    loop += 1