お手軽フェードするギャラリーのやつ

easy_fade_gallary.coffee

$gallary = $("#gallary").find("li")
_gallaryTime = 4000
_animateTime = 800

gallaryLoop = (num)->
  _num = num | 0
  $gallary.each((i)->
    $that = $(this)
    if i is _num
      $that
      .stop()
      .animate(
        {opacity:1},
        _animateTime,
        ()->
          _num++
          _num = _num % ($gallary.length)
          _timeout = setTimeout(
            ()->
              gallaryLoop(_num)
              clearTimeout(_timeout)
              return
            ,_gallaryTime
          )
          return
      )
    else
      $that.stop().animate({opacity:0},_animateTime)
    return
  )

  return