# frozen_string_literal: true # the grab method is used to retrieve atome using their ID a = box({ id: :my_box }) # to alter or add a particle you can use the variable, here we set the left value a.left(33) # to alter or add a particle you can use the variable # it's also possible to alter or add a particle without a variable using grab and the ID of the atome , here we set the top value wait 1 do grab(:my_box).top(5) end