gistfile1.coffee

  animateRotate: (frames, increment, current) ->
    if frames > 0
      current = current + increment
      transform = 'translateZ(900px)  rotateY(' + current + 'deg)'
      for ring in @rings 
        ring.style.webkitTransform = transform
      requestAnimFrame (=>
        @animateRotate((frames - 1), increment, current)
      ), 0.1
    else
      @delegateEvents @events