class HeadMusic::Style::Guidelines::OneToOne

A counterpoint guideline

Constants

MESSAGE

Public Instance Methods

marks() click to toggle source
# File lib/head_music/style/guidelines/one_to_one.rb, line 10
def marks
  return unless cantus_firmus&.notes
  return if cantus_firmus.notes.empty?

  HeadMusic::Style::Mark.for_each(
    notes_without_match(voice, cantus_firmus) + notes_without_match(cantus_firmus, voice)
  )
end

Private Instance Methods

notes_without_match(voice1, voice2) click to toggle source
# File lib/head_music/style/guidelines/one_to_one.rb, line 21
def notes_without_match(voice1, voice2)
  voice1.notes.reject do |voice1_note|
    voice2.notes.map(&:position).include?(voice1_note.position)
  end
end