Module: Muse::Envelope

Defined in:: lib/muse/config/envelope.rb

Class Method Summary collapse

Class Method Details

.default(input, duration) ⇒ `Object`



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# File 'lib/muse/config/envelope.rb', line 20

def default(input, duration)
  Math.cos((Math::PI*input)/(2*duration.to_f))
end

.sine(input, duration) ⇒ `Object`



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# File 'lib/muse/config/envelope.rb', line 24

def sine(input, duration)
  Math.sin((Math::PI*input)/duration.to_f)
end