code: def find(params)
        params = { type: params } if params.is_a?(String)
  
        found_objects = find_all do |object|
          params.any? {|key,value| object.send(key) == value.to_s }
        end.compact
  
        self.class.new found_objects
      end
docs: Allows finding by type or a specfied hash of parameters
  
   @example Find all objects that have the type 'ground'
  
       objects.find(:floor)
       objects.find(type: 'floor')
  
   @example Find all objects that have the name 'mushroom'
  
       objects.find(name: "mushroom")