Class: WTFChord::FingeringsGenerator

Inherits:
Chord
  • Object
show all
Defined in:
lib/wtf_chord/fingerings_generator.rb

Constant Summary collapse

MAX_DIST = 
5
MAX_FRET = 
7

Instance Attribute Summary

Attributes inherited from Chord

#name, #notes, #pitch, #steps

Instance Method Summary collapse

Methods inherited from Chord

#initialize, #inspect, #third_tone

Constructor Details

This class inherits a constructor from WTFChord::Chord

Instance Method Details

#call ⇒ Object 



13
14
15
16
17
18
19
20
21
22
23
24
 
# File 'lib/wtf_chord/fingerings_generator.rb', line 13

def call
  fingerings.clear

  (0...MAX_FRET).each do |from|
    to = from + MAX_DIST
    generate(from...to) do |variant|
      fingerings << variant if filter_variant(variant)
    end
  end

  fingerings.sort_by!(&:complexity)
end

#fingerings ⇒ Object 



9
10
11
 
# File 'lib/wtf_chord/fingerings_generator.rb', line 9

def fingerings
  @fingerings ||= []
end