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Contents
# frozen_string_literal: true
module Coltrane
module Theory
# This class describes an actual implementation of a Chord, being aware
# of exact octaves of each pitch and even repeating pitches across octaves.
class Voicing
attr_reader :pitches
def initialize(*pitch_strings, pitches: nil)
@pitches = if pitch_strings.any?
pitch_strings.map { |s| Pitch[s] }
elsif pitches
pitches
else
raise WrongArgumentsError
end
end
def self.[](*args)
new(*args)
end
def pitch_classes
NoteSet[*pitches.map(&:pitch_class).uniq]
end
alias notes pitch_classes
def chord
@chord ||= Chord.new(notes: notes)
rescue ChordNotFoundError
return false
end
def frequencies
pitches.map(&:frequency)
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems