Infinitely scroll through an array of items in any direction.

infinite-scroll.coffee

# Shuffle items front and back to flow infinitely
  infiniteFlow: () =>
    last = $("#{@config.id} section.item:last-child")
    first = $("#{@config.id} section.item:first-child")
    outer = $('.items')

    if last.hasClass('right') or last.hasClass('current')
      oldLeft = outer.position().left
      width = first.width()
      newLeft = oldLeft + width
      outer.append first
      outer.css 'left', newLeft

    if first.hasClass('left') or first.hasClass('current')
      oldLeft = outer.position().left
      width = last.width()
      newLeft = oldLeft - width
      outer.prepend last
      outer.css 'left', newLeft