shoes-memory.rb

overtcards = []
currentplayer = 0
score = {0=>0,1=>0}

def shuffle(arr)
    new=[]
    new2=arr.select do |x|x end
    arr.size.downto(1) { |n| new.push new2.delete_at(rand(n)) }
    new
end

cardimages = shuffle(shuffle(Dir["memory-karten/*.png"][0..15]) * 2)
cards = []

Shoes.app do
  stack do
    @namecap = caption ""
    @playercap = caption "Your Turn: Player 1"
    @scorecap = caption "0:0"
    @remcap = caption cards.length / 2
    flow do
      cardimages.each do |name|
        stack :width => 120, :height => 120 do
          background darkred
          img = image "Pictures/back.jpg", :top => 10,:left => 10
          cards << img
          img.click do
            if img.path == "Pictures/back.jpg" and overtcards.length < 2
              @namecap.text = name.split("/").last[/[^\.]+/]
              img.path =  name
              (overtcards << img)
            elsif  overtcards.length == 2
              if overtcards[0].path==overtcards[1].path
                score[currentplayer]+=1
                overtcards.select do |x| 
                  cards.delete(x)
                  x.path = ""
                  x.click
                end
                @scorecap.text= score[0].to_s + ":" + score[1].to_s
              else
                currentplayer = (currentplayer + 1) % 2
                @playercap.text= "Your Turn: Player "+ (1+currentplayer).to_s
              end
              overtcards = []
              cards.each {|i| i.path="Pictures/back.jpg"}
              @remcap.text = cards.length / 2
              if cards.length < 1
                  @playercap.text = "Game ends. Tie"
                  if score[0] > score [1]
                    @playercap.text = "Player 1 wins."
                  end
                  if score[0] < score [1]
                    @playercap.text = "Player 2 wins."
                  end
              end         
            end
          end
        end
      end
    end
  end
end