gistfile1.rbx

require 'gosu'
require 'date'
$Kcode = 'u'

config = File.open("config.txt",'r')

$deadline = config.gets.chomp

config.close

def remain(date)
  intervals = [["天",1],["小時",24],["分鐘",60],["秒",60],["",60]]
  elapsed = DateTime.now - date
  interval = 1.0

  parts = intervals.collect do |name,new_interval|
    interval /= new_interval
    number,elapsed = elapsed.abs.divmod(interval)
    "#{number.to_i}#{name}"
  end  
  return parts.join(' ')
end

class GameWindow < Gosu::Window

  def initialize
    super(550, 60, false)
    self.caption = "CountDown"
    @now = DateTime.now
    @deadline = DateTime.parse($deadline)
    @font = Gosu::Font.new(self, Gosu::default_font_name, 40) 
    #@font = Gosu::Font.new(self, "./comic.ttf",40)
  end

  def update
    @remain = remain(@deadline)
  end

  def draw
    @font.draw("倒數#{@remain}", 10, 10, 0, 1.0, 1.0, 0xffffff00)  
  end

end

window = GameWindow.new
window.show