Method: MTK.Note

Defined in:
lib/mtk/events/note.rb

.Note(*anything) ⇒ Object

Construct a MTK::Events::Note from a list of any supported type for the arguments: pitch, intensity, duration, channel



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# File 'lib/mtk/events/note.rb', line 72

def Note(*anything)
  anything = anything.first if anything.size == 1
  case anything
    when MTK::Events::Note then anything

    when MTK::Core::Pitch then MTK::Events::Note.new(anything)

    when Array
      pitch = nil
      duration = nil
      intensity = nil
      channel = nil
      unknowns = []
      anything.each do |item|
        case item
          when MTK::Core::Pitch then pitch = item
          when MTK::Core::Duration then duration = item
          when MTK::Core::Intensity then intensity = item
          else unknowns << item
        end
      end

      pitch = MTK.Pitch(unknowns.shift) if pitch.nil? and not unknowns.empty?
      raise "MTK::Note() couldn't find a pitch in arguments: #{anything.inspect}" if pitch.nil?

      duration  = MTK.Duration(unknowns.shift)  if duration.nil?  and not unknowns.empty?
      intensity = MTK.Intensity(unknowns.shift) if intensity.nil? and not unknowns.empty?
      channel = unknowns.shift.to_i if channel.nil? and not unknowns.empty?

      duration  ||= MTK::Events::Note::DEFAULT_DURATION
      intensity ||= MTK::Events::Note::DEFAULT_INTENSITY

      MTK::Events::Note.new( pitch, duration, intensity, channel )

    else
      raise "MTK::Note() doesn't understand #{anything.class}"
  end
end