class Mystic::Scale

• Mystic::Scale
• Reference
• Object

Overview

Represents a scale

A scale consists of a tonic note, type, and array of Intervals.

To create a scale:

# C major scale
Scale.new(Note.new("C"), "major")

# Can create a custom scale by supplying the intervals
Scale.new(Note.new("C"), "my custom scale", [Interval.new("M2"), Interval.new("M3")])

Defined in:

Constant Summary

SCALE_ALIASES = {ionian: "major", aeolian: "minor", "natural minor": "minor"}

SCALE_INTERVALS = {major: [WS, WS, HS, WS, WS, WS], minor: [WS, HS, WS, WS, HS, WS], "melodic minor": [WS, HS, WS, WS, WS, WS], dorian: [WS, HS, WS, WS, WS, HS, WS], phrygian: [HS, WS, WS, WS, HS, WS, WS], lydian: [WS, WS, WS, HS, WS, WS, HS], mixolydian: [WS, WS, HS, WS, WS, HS, WS], locrian: [HS, WS, WS, HS, WS, WS, WS]}

Constructors

• .new(tonic : Mystic::Note, type : String, intervals : Array(Mystic::Interval))
• .new(tonic_type : String, type : String)
• .new(tonic : Mystic::Note, type : String)

Instance Method Summary

• #+(interval : Interval) : Scale

  Returns a new scale transposed by the given interval

• #intervals : Array(Interval)
• #name(include_octave = false) : String

  Returns the name of the scale

• #note_names : Array(String)

  Returns the note names

• #notes : Array(Note)

  Returns the notes of the scale

• #to_s(io : IO) : Nil

  Appends a short String representation of this object which includes its class name and its object address.

• #tonic : Note
• #type : String

Constructor Detail

Instance Method Detail

class Person
  def initialize(@name : String, @age : Int32)
  end
end

Person.new("John", 32).to_s # => #<Person:0x10a199f20>