#! ruby -Ks #↑日本語を使うために class Human def swing p "『#{@weapon_name}』" p "強さ:#{@weapon_strong}" p "長さ:#{@weapon_reach}" swing_sp end def set_weapon(w_name,w_strong,w_reach) @weapon_name = w_name @weapon_strong = w_strong @weapon_reach = w_reach end def swing_sp if @weapon_name == "三節棍" @weapon_strong *= 2 @weapon_reach *= 2 end end end human = Human.new human.set_weapon("素手",1,1) human.swing human = Human.new human.set_weapon("こんぼう",3,5) human.swing human = Human.new human.set_weapon("三節棍",1,1) human.swing human.swing