Method: WSLight::Set::RainbowSet#pixel

Defined in:
lib/ws_light/set/rainbow_set.rb

#pixel(number) ⇒ Object 



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# File 'lib/ws_light/set/rainbow_set.rb', line 28

def pixel(number)
  number = @full_length - 1 - number if number >= @length
  x = @frequency * (number + @frame_count)
  Color.new(
    (Math.sin(x)**2 * 127),
    (Math.sin(x + 2.0 * Math::PI / 3.0)**2 * 127),
    (Math.sin(x + 4.0 * Math::PI / 3.0)**2 * 127)
  )
end