스킬님~

  def base_position
    base = N01::ACTOR_POSITION[self.index]
    @base_position_x = base[0]
    @base_position_y = base[1]
    # バックアタック時はX軸を逆に
    @base_position_x = Graphics.width - base[0] if $back_attack && N01::BACK_ATTACK
  end