0
votes
0answers
33 views

Unity Shader GrabPass alternative

Is there an alternative for the heavy GrabPass method ? Is there a solution to avoid the foreground issue ? I mean when using GrabPass, if the refracted object is in front of the bumpy refractor, he ...
0
votes
1answer
547 views

Making a surface transparent from blackness of texture

I am making a "halo" shader in unity using GLSL. And I've come to a roadblock. What I need to do is take a texture, like the following, and make it transparent according to the darkness of it. And I ...
6
votes
2answers
1k views

Billboard shader without distortion

I use the standard approach to billboarding within Unity that is OK, but not ideal: transform.LookAt(camera). The problem is that this introduces distortion toward the edges of the viewport, ...
30
votes
2answers
2k views

How to render realistic ice?

I am trying to write an ice shader in Unity that looks good and at least semi-realistic. If the following shot (found on Google) was CG, what would its shader include? (the foreground cave). I might ...