Fresnel opacity
Jack of Spades
Posts: 80
Coming from Blender, this seems like it should be a fairly easy thing to do, but I'm stumped on how to even start. I want to feed a Fresnel value into the Cutout Opacity strength, so that the shader is visible at the edge but invisible when facing the camera. If it matters, I want this to be purely emissive – what I'm after is an edge glow. Can someone point me at documentation or something on how to even attempt this?
Post edited by Jack of Spades on
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Comments
Add Directional Factor brick (excuse me, remembered wrong)
Functions/MDL/Material Editors/Tint/Add Directional Factor
Set Refraction IOR and Weight to 1 (otherwise it's tinted on the edge and not transparent)
I just saved you a monumental amount of hunting and guessing. :) If you are feeling charitable, my PayPal is under [email protected]
I have just this thing in my free Iray shader pack (see sig), under Art/WT Outline
As for emissive, I THINK all you need to do is add an emissive channel and adjust cutout opacity. I'll test it.
Welp, I spoke big, but no such luck; getting just a glowing ring (basically) won't work with the above. Sorry!