module Cache
  #--------------------------------------------------------------------------
  # ● ビットマップの読み込み
  #--------------------------------------------------------------------------
  def self.load_stone(stonecolor)
    @cache ||= {}

      save_stone(stonecolor)

  end
  #--------------------------------------------------------------------------
  # ● のビットマップを作成／取得
  #--------------------------------------------------------------------------
  def self.save_stone(stonecolor)
    path = sprintf("Graphics/Reversi/stone_%s" , stonecolor)
    @cache[path] = Bitmap.new(path) unless include?(path)
    @cache[path]
  end  
  #--------------------------------------------------------------------------
  # ●　オセロ盤グラフィックの取得
  #--------------------------------------------------------------------------
  def self.reversi(filename)
    load_bitmap("Graphics/Reversi/", filename)
  end 
end