RimLight shader v1.0 softimage

Here is my experiment shader on how to create rim light without light in a way to optimize the render and the process for the compositing step.
It can be very useful to create rimlight pass.
You can create different rim : left, right, top, bottom, back, front and setting different thing like rotation, spread, smooth, fg contribution ...
The shader work with the vector of the mesh and follow the camera movement.

You can download it here : link