# File karel/world_maker.rb, line 131 def drop_item(x, y) canvas = $window.canvas avenue, street = scale(x, y) # puts street.to_s + ' ' + avenue.to_s if(street < 1 or avenue < 1 or street > $window.number_of_streets() or avenue > $window.number_of_streets()) return end $world.place_beepers(street, avenue, 1) end