#!/usr/bin/python3

from omnia import leds
from random import randint
from time import sleep

strip = leds.OmniaStrip

def set_leds(br):
    br = max(1, br)
    r, g, b = 1, 0.5, 0
    st = leds.LedState(int(r*br), int(g*br), int(b*br), 1, False)
    strip.apply([st], leds.PatternFitting.Repeat)

def continuous_brightness_change(start, step, stop, wait):
    for x in range(start, stop, step):
        set_leds(x)
#        sleep(wait)

def inhale():
    print('inhaling')
    continuous_brightness_change(-30, 1, 128, .02)
def exhale():
    print('exhaling')
    continuous_brightness_change(128, -1, -30, .02)


while True:
    inhale()
    exhale()