Class: Ledstrip::Effects::Rainbow

Inherits:
Base
  • Object
show all
Defined in:
lib/ledstrip/effects/rainbow.rb

Instance Attribute Summary

Attributes inherited from Base

#running

Instance Method Summary collapse

Methods inherited from Base

#initialize, #run, #start, #stop, #tick

Constructor Details

This class inherits a constructor from Ledstrip::Effects::Base

Instance Method Details

#sleep_time ⇒ Object 



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# File 'lib/ledstrip/effects/rainbow.rb', line 23

def sleep_time
  0.1
end

#step(leds) ⇒ Object 



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# File 'lib/ledstrip/effects/rainbow.rb', line 5

def step(leds)
  i = @frame
  frequency = 0.3

  leds.collect do |led|
    red   = Math.sin(frequency*i + 0) * 127 + 128
    green = Math.sin(frequency*i + 2) * 127 + 128
    blue  = Math.sin(frequency*i + 4) * 127 + 128

    led.red = red
    led.green = green
    led.blue = blue

    i += 1
    led
  end.reverse
end