RPGM VX Ace - DMTK Analog Clock

#==============================================================================
# * Config
#==============================================================================
module Clock
  #--------------------------------------------------------------------------
  # |0       1|
  # |         |
  # |         |
  # |2       3|
  #--------------------------------------------------------------------------
  @position = 0
  #--------------------------------------------------------------------------
  # You can change position later with Clock.position = new-position
  # Example: Clock.position = 2
  #--------------------------------------------------------------------------
#==============================================================================
# * Config Ends.
#==============================================================================
  #--------------------------------------------------------------------------
  # *
  #--------------------------------------------------------------------------
  def self.position=(pos)
    @position = pos
    @clock.x, @clock.ox, @clock.y, @clock.oy = *clock_pos
  end

  #--------------------------------------------------------------------------
  # *
  #--------------------------------------------------------------------------
  def self.clock_pos
    x = @position % 2 == 0 ? 0 : Graphics.width
    ox = x == 0 ? 0 : 50
    y = @position / 2 == 0 ? 0 : Graphics.height
    oy = y == 0 ? 0 : 24
    return x, ox, y, oy
  end

  #--------------------------------------------------------------------------
  # *
  #--------------------------------------------------------------------------
  def self.start
    @clock = Sprite.new
    @clock.z = 1000
    @clock.x, @clock.ox, @clock.y, @clock.oy = *clock_pos
    @bitmap = Bitmap.new(50,24)
    @clock.bitmap = @bitmap
  end

  #--------------------------------------------------------------------------
  # *
  #--------------------------------------------------------------------------
  def self.update
    time = Time.now
    tick = (time.sec % 2 == 0) ? " " : ":"
    return if @tick == tick
    @tick = tick
    text = sprintf("%02d%s%02d", time.hour, tick, time.min)
    @bitmap.clear
    @bitmap.draw_text(0,0,50,24,text)
  end

  #--------------------------------------------------------------------------
  # *
  #--------------------------------------------------------------------------
  def self.stop
    @clock.visible = false
    @updater.stop
  end

  #--------------------------------------------------------------------------
  # *
  #--------------------------------------------------------------------------
  def self.run
    @clock.visible = true
    @updater.run
  end

  #--------------------------------------------------------------------------
  # *
  #--------------------------------------------------------------------------
  start
  unless @updater
  @updater = Thread.new {
    loop do
      sleep(0.1)
      Clock.update rescue start
    end
  }
  end
end
#==============================================================================
# *
#==============================================================================