Gacha Game http://makebooth.com/i/fMO1N

gacha.rb

# -- coding: utf-8

require "rubygems"
require "pry"

@inventory = []

class Gacha
  def initialize
    ascii = ("\x20".."\x7e").to_a
    @common = ["a".."z", "A".."Z", "0".."9"].map(&:to_a).flatten
    @rare = ascii - @common - %W!( ) { } [ ] < >!
    @srare = %W!❤  ♨   ⚡ ⚝!
    @all = @common + @rare + @srare
    @inventory = []
    @gacha_count = 0
    @start_at = Time.now
  end

  def howtoplay
    puts <<HELP
> gacha [n]
Get new item [n] times.

> inventory
Display what you have

> result
Give up this game, display your result. 
HELP
  end

  def gacha(times = 1)
    times = [times, 10].min
    return if times < 1
    @gacha_count += times

    set = case @inventory.size
    when 0..10
      @common
    when 10..40
      @common + @rare
    else
      @common + @common + @common + @common + @rare + @rare + @srare
    end
    
    role_length = times
    tpl = "\r               %s"
    times.times do
      30.times do
        role = role_length.times.map{ set.shuffle.last }.join
        print "#{tpl}" % role
        sleep 0.05
      end
      got = set.shuffle.last
      @inventory << got

      print "\r"
      print " " * 40
      case rank(got)
      when :common
        puts tpl % "#{got}"
      when :rare
        puts tpl % "[RARE] #{got}"
      when :srare
        puts "\r☆＊*‥…★…‥*＊☆◆☆＊*‥…★…‥*＊☆◆☆＊*‥…★…‥*＊☆"
        puts "　　 　C o n g r a t u l a t i o n                    "
        puts "☆＊*‥…★…‥*＊☆◆☆＊*‥…★…‥*＊☆◆☆＊*‥…★…‥*＊☆"
        puts "       [S RARE] #{got}"
        puts
      end
      role_length -= 1
    end
    if @inventory.uniq.length == @all.length
    end
  end

  def inventory
    count = {}
    count.default = 0
    @inventory.each do |char|
      count[char] += 1
    end
    items = count.sort_by{|k,v| -v}.group_by{|item, cnt| rank(item)}
    [:srare, :rare, :common].each do |rank|
      puts "-"*40
      puts "#{rank} (remaining #{instance_variable_get(:"@#{rank}").length - (items[rank] || []).length})"
      puts
      next if items[rank].nil?
      puts items[rank].uniq.map{|item, cnt| "#{item}(#{cnt})"}.join(" ")
      puts
    end
    nil
  end

  def result
    inventory

    puts ".. and you lost #{calc_spend} of your life."
    exit
  end

  private
  def rank(char)
    ranks = [:common, :rare, :srare]
    [@common, @rare, @srare].each_with_index do |collection, rank|
      if collection.include?(char)
        return ranks[rank]
      end
    end
  end

  def calc_spend
    spend = (Time.now - @start_at).to_i
    case spend
    when 0..60
      msg = "#{spend.to_i} seconds"
    when 60..3600
      msg = "#{spend / 60} minutes"
    when 3600..86400
      msg = "#{spend / 3600} hours"
    else
      msg = "#{spend / 86400} days"
    end
  end

  def complete
    if @inventory.uniq.length == @all.length
      puts "You are complete all of items!!"
      result
    else
      puts <<-MSG
      DON'T CHEAT. YOU'VE LOST ALL ITEMS FOR THE PENALTY.

      YOUR #{calc_spend.upcase} WAS GONE.
      MSG
      exit
    end
  end
end

g = Gacha.new
g.instance_eval do






  "Welcome to this game!"
  "Type 'howtoplay' your console if you need."
  "Good luck!"
  binding.pry








end