Class: CheekyDreams::Effects::Fade

Inherits:
Effect
  • Object
show all
Defined in:
lib/cheeky-dreams.rb

Constant Summary

Constants included from CheekyDreams

COLOURS

Instance Method Summary collapse

Methods included from CheekyDreams

#ansi_driver, #audit_to, #crazy, #cycle, #dev_null, #fade, #fade_to, #find_dream_cheeky_usb_device, #forward, #func, #light_show, #max, #off, #position_between, #rgb, #rgb_between, #sleep_until, #solid, #stdio_audit, #stdout_driver, #suppress_duplicates, #throb, #throbbing

Constructor Details

#initialize(from, to, steps, freq) ⇒ Fade

Returns a new instance of Fade.



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# File 'lib/cheeky-dreams.rb', line 345

def initialize from, to, steps, freq
  @freq, @rgb_from, @rgb_to = freq, rgb(from), rgb(to)
  @fade = [@rgb_from]
  (1..(steps-1)).each { |i| @fade << rgb_between(@rgb_from, @rgb_to, i / steps.to_f) }
  @fade << @rgb_to
  @index = 0
end

Instance Method Details

#next(current_colour = nil) ⇒ Object 



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# File 'lib/cheeky-dreams.rb', line 353

def next current_colour = nil
  return [@rgb_to, 0] if @index >= @fade.length
  next_colour = @fade[@index]
  @index += 1
  [next_colour, next_colour == @rgb_to ? 0 : @freq]
end