Class: Archaeopteryx::Bassline

Inherits:

Object

• Object
• Archaeopteryx::Bassline

show all

Defined in:

lib/bassline.rb

Instance Method Summary (collapse)

• - (Bassline) initialize(attributes) constructor

  A new instance of Bassline.

• - (Object) mutate(measure)
• - (Object) notes(beat)
• - (Object) reload

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# File 'lib/bassline.rb', line 3

def initialize(attributes)
  @mutation = attributes[:mutation]
  @drumfile = attributes[:drumfile]
  reload
end

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# File 'lib/bassline.rb', line 11

def mutate(measure)
  if @mutation[measure]
    reload # reloading can kill mutations!
    @drums.each {|drum| drum.mutate}
  end
end

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# File 'lib/bassline.rb', line 17

def notes(beat)
  @drums.each do |drum|
    if drum.play? beat
      return drum.note
    end
  end
  [] # I can't tell if this is a bug or a feature. lispy listiness requires return empty list.
end

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# File 'lib/bassline.rb', line 8

def reload
  @drums = eval(File.read(@drumfile))
end