module Serinette
  # Most basic unit of sound; will eventually provide base class for many
  # different kinds of noises (SynthNoise, SourceNoise, etc)
  class Noise
    include Descendents

    attr_accessor :wavefile

    # Gets a specified number of Noise subclasses.
    #
    # @param num [Fixnum] Number of noises
    # @return [Array] An array of Noise subclasses
    def self.sample_noise_classes(num = 1)
      Array.new(num).map do
        Noise.descendents.sample
      end
    end
  end
end