Creating a Cat's Eye effect

[sweeetjd]

I’m trying to create the effect of a road reflector (or road signs, cat’s eyes, or animal eyeshine) using Camera Vector as input data. I’ve tried using the dot product with several other inputs (VertexNormal, CameraDirectionVector) but nothing seems to actually change the material based on the pixels it’s facing.

[Arkiras]

A thread of interest

Blacklight and Retroreflective effects?

It’s a git patch file, however his code needs some tweaking to work on 4.26. It’s not too much effort, just go through his patch file, find all the source files it modifies and make the changes manually. I tested his and it took around 25 minutes to get going. I actually recently wrote my own retroreflective shader model, which is very much a WIP [Retroreflectivity Shader for Unreal Engine 4] It works differently from william.sch’s as instead of just adding a second specular term I …

[armelliano]

A very interesting thread, I’ll try to see if I can find a solution.
Keep updated PLS <3