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歌うズンドコキヨシ with Ruby

Last updated at Posted at 2016-03-12

歌うズンドコキヨシ

気づき: キ・ヨ・シ!は歌詞ではなかった

Macのsayコマンドでズンドコ言います。

class RandomZundokoLyrics
  ZUN_DOKO = ['ズン', 'ドコ']

  include Enumerable

  def each
    loop do
      yield ZUN_DOKO.sample
    end
  end
end

class Kiyoshi
  def sing(lyrics)
    lyrics.each do |word|
      system 'say', word
      yield word
    end
  end
end

class ZundokoKiyoshiFan
  CHANT = 'キ・ヨ・シ!'
  CHANT_TIMING_LYRICS = ['ズン', 'ズン', 'ズン', 'ズン', 'ドコ']

  def initialize
    @words_buffer = []
  end

  def <<(word)
    @words_buffer << word

    if @words_buffer.size > CHANT_TIMING_LYRICS.size
      @words_buffer.shift
    end
  end

  def chant_timing?
    @words_buffer == CHANT_TIMING_LYRICS
  end

  def chant
    system 'say', CHANT
  end
end

def ズンドコ♪
  kiyoshi = Kiyoshi.new
  lyrics  = RandomZundokoLyrics.new
  fan     = ZundokoKiyoshiFan.new
  kiyoshi.sing(lyrics) do |word|
    fan << word
    fan.chant and exit if fan.chant_timing?
  end
end

ズンドコ♪

実行例

(sayコマンドから音声が聞こえてくる)

その他のキヨシ

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