#!/usr/bin/env ruby

def clear
  puts "\e[H\e[2J"
end

ascii = %w[░ █ ▄ ▀]

60.times do
  clear

  line = 80.times.map do
    80.times.map do
      ascii.sample
    end.join
  end.join "\n"

  puts line

  sleep 1
end