[SDPhantom]

I don't see why not. It honestly isn't that complicated once you understand the concept. The ScrollFrame acts as a nested screen, cropping everything that's rendered out-of-bounds, and there's a texture with its center anchored to one side, rotating according to calculated values. It really isn't that much more complicated than traditional bar textures.

Semlar's expansion to the concept does use the animation system to allow you to use any static image as a texture and counteracts it with custom rotation matrices. While this does add flexibility to the method, I wouldn't suggest using it unless you absolutely need it.