Flickering candle effect for Halloween

flickering.rb

require 'hue'

CANDLE_COLOR_RANGE = [*2000..2200] # Kelvin, 2000K is lowest Hue can do
CANDLE_BRIGHTNESS_RANGE = [*20..52]

bridge = Hue.application

candle = Hue::Bulb.new(bridge, 1)

candle.on if candle.off?


loop do
  begin
    candle.color = Hue::Colors::ColorTemperature.new CANDLE_COLOR_RANGE.sample
    candle.brightness = CANDLE_BRIGHTNESS_RANGE.sample
    @delay = (rand * 0.2200) + 0.08
  rescue
    puts 'delaying 2 seconds'
    @delay = 2
  end
  sleep @delay
end

Future development at https://gitlab.com/davidwkeith/flickering-candle