Class: Clef::Layout::BeamLayout

Inherits:
Object
  • Object
show all
Defined in:
lib/clef/layout/beam_layout.rb

Class Method Summary collapse

Class Method Details

.auto_beam(notes, time_signature) ⇒ Array<Array<Clef::Core::Note>>

Parameters:

Returns:



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# File 'lib/clef/layout/beam_layout.rb', line 10

def auto_beam(notes, time_signature)
  return [] if notes.empty?

  notes.each_slice(group_size(time_signature)).to_a
end

.compute(beam_group, _clef, _spacing) ⇒ Hash

Parameters:

Returns:

  • (Hash) 


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# File 'lib/clef/layout/beam_layout.rb', line 20

def compute(beam_group, _clef, _spacing)
  first_y = pitch_y(beam_group.first.pitch)
  last_y = pitch_y(beam_group.last.pitch)
  slope = ((last_y - first_y) / [beam_group.length - 1, 1].max).clamp(-0.5, 0.5)
  {start_y: first_y, end_y: first_y + slope * (beam_group.length - 1), slope: slope}
end