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I used this fresnel setup on top of my shader to create a artificial rim light effect enter image description here enter image description here

But of course fresnel is applied around the entire object, is there a way to control the sides of the object it is applied so I can emulate a rim light effect comming only from the left?

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  • $\begingroup$ I'm testing things tryng to find a solution, but no luck so far. I have an idea (maybe), however I need to know if either the light direction or the camera angle are going to change (example: you want only the "left side" to have a fresnel, does "left" mean the left side of a still image. or does it mean the side that's always farthest from the camera, or does it mean the lit/unlit side)? $\endgroup$ – Christopher Bennett Jul 10 at 6:40
  • $\begingroup$ Ideally it would always be the unlit side, but having a parameter where I can change the direction of the fresnel at will would work as well. $\endgroup$ – Bruno Marquez Jul 10 at 22:06
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For those interested, I have achieved what I wanted with a matcap setup, the problem is that its not easily editable and I have to put a new image file every time I want to make adjustments, I'm still open to now if theres a way to do it with a fresnel node

[enter image description here enter image description here

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