Feature Guessing Game

gistfile1.rb

class FeatureSet
  include Enumerable
  def initialize(*features)
    @features = features
  end
  
  def randomly_choose_one
    @features[rand(@features.size)]
  end
  
  def each(&action)
    @features.each(&action)
  end
end

class Game
  attr_reader :selection
  
  def initialize(*feature_sets)
    @sets = feature_sets
    @selection = @sets.map do |set|
      set.randomly_choose_one
    end
  end
  
  def correct?(*features)
    @selection.zip(features).all? do |a, b|
      a == b
    end
  end
end

shapes = FeatureSet.new(:square, :circle, :triangle, :cross)
colors = FeatureSet.new(:red, :green, :yellow, :blue)
counts = FeatureSet.new(:one, :two, :three, :four)

game = Game.new(shapes, colors, counts)

puts "Attempted choices:"
[
  [:square, :green, :three],
  [:circle, :blue, :four],
  [:circle, :red, :three]
].each do |choice|
  p choice, game.correct?(*choice)
end

puts
puts "Actual features:"
p game.selection