 
         @slide.ratio =
           Math.min(Math.max(
-            (_e.pageX - @slide.offset.left - @slide.startX) / @slide.offset.width
+            (_e.pageX - @offset.left - @slide.startX) / @offset.width
           , 0), 1)
 
         @transform(@slide.prev, @slide.ratio, true)


      _e = if isTouch then e.touches[0] else e

      offset = @$el.offset()

      @hasSlid = false
      @transform = @slideTransform

      if _e.pageX - offset.left < 40
        prevView = @stack[@stack.length - 1]
        index = prevView.stack?.indexOf(prevView) - 1

        if index >= 0
          nextView = @views[prev.stack[index]]
        else
          nextView = @stack[@stack.length - 2]


      _e = if isTouch then e.touches[0] else e

      if not @hasSlid
        if Math.abs(_e.pageX - @offset.left - @slide.startX) > 10
          @hasSlid = true
          @slide.prev.undelegateEvents()
          @slide.next.undelegateEvents()
