Method: Chords::Fingering#add_duplicate

Defined in:
lib/chords/fingering.rb

#add_duplicate(opts = {}) ⇒ Object

returns variations of this fingering with one duplicate note added



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# File 'lib/chords/fingering.rb', line 55

def add_duplicate(opts={})
  return [] if unused_strings < 1
  max_fret_dist = opts[:max_fret_distance] || DEFAULT_MAX_FRET_DISTANCE
  
  fingerings = []
  
  @positions.each_with_index do |pos, i|
    next unless pos.nil?
    
    each_note do |note|
      new_note_positions(note, i, max_fret_dist).each do |pos|
        new_positions = @positions.dup
        new_positions[i] = pos
        fingerings << Fingering.new(@fretboard, new_positions)
      end
    end
  end
  
  fingerings
end