Let's Get Digital Challenge

gistfile1.rb

#!/usr/bin/env ruby

$characters = [[[0,1,1,0], [1,0,0,1], [1,0,0,1], [0,0,0,0], [1,0,0,1], [1,0,0,1], [0,1,1,0]], [[0,0,0,0], [0,0,0,1], [0,0,0,1], [0,0,0,0], [0,0,0,1], [0,0,0,1], [0,0,0,0]], [[0,1,1,0], [0,0,0,1], [0,0,0,1], [0,1,1,0], [1,0,0,0], [1,0,0,0], [0,1,1,0]], [[0,1,1,0], [0,0,0,1], [0,0,0,1], [0,1,1,0], [0,0,0,1], [0,0,0,1], [0,1,1,0]], [[0,0,0,0], [1,0,0,1], [1,0,0,1], [0,1,1,0], [0,0,0,1], [0,0,0,1], [0,0,0,0]], [[0,1,1,0], [1,0,0,0], [1,0,0,0], [0,1,1,0], [0,0,0,1], [0,0,0,1], [0,1,1,0]], [[0,1,1,0], [1,0,0,0], [1,0,0,0], [0,1,1,0], [1,0,0,1], [1,0,0,1], [0,1,1,0]], [[0,1,1,0], [0,0,0,1], [0,0,0,1], [0,0,0,0], [0,0,0,1], [0,0,0,1], [0,0,0,0]], [[0,1,1,0], [1,0,0,1], [1,0,0,1], [0,1,1,0], [1,0,0,1], [1,0,0,1], [0,1,1,0]], [[0,1,1,0], [1,0,0,1], [1,0,0,1], [0,1,1,0], [0,0,0,1], [0,0,0,1], [0,1,1,0]]]

class DigiChar
  attr_accessor :integer
  
  def initialize integer = nil
    @integer = integer
  end
  
end

class CharsContainer
  def self.add_digit digit, redraw = false
    @segments ||= []
    @segments << DigiChar.new(digit)
    draw unless !redraw
  end
  
  def self.set_digit index, value, redraw = true
    @segments[index] = DigiChar.new(value)
    draw unless !redraw
  end
  
  def self.draw
    print "\e[2J\e[f\n\n"
    7.times do |time|
      seg_count = 0
      @segments.each do |segment|
        $characters[segment.integer][time].each do |char_column|
          if char_column == 1 and ((segment.integer != 0) || (seg_count > 0))
            print "@ "
          else
            print "  "
          end
          
        end
        
        if (time == 2 or time == 4) and (seg_count == 1) and $blink_on
          print " | "
        else
          print "   "
        end
        
        seg_count += 1
      end
      
      print "\n"
    end
    
    $stdout.flush
  end
  
end

clock = Thread.new do
  4.times do
    CharsContainer.add_digit(0, true)
  end
  
  loop do
    $time = Time.new.strftime("%I%M")
    4.times do |time|
      CharsContainer.set_digit time, Time.new.strftime("%I%M")[time].to_i
    end
    
    $blink_on = !$blink_on
    CharsContainer.draw
    sleep 0.5
  end
  
end.join