Patrons This shader tutorial post was brought to you by: Erich Binder, Minh Triết Đỗ Introduction I was quite surprised to see that while I had a tutorial on grab pass shaders and on UV distortion, I didn’t actually have a tutorial on grab pass distortion. And I probably should have one, cause it’s a …
Moving just a bit away from image effects, this post, as the title betrays, is about GrabPass in shaders. GrabPass is a special pass of a shader that is used to get the contents of the screen in the place where an object would be rendered. So, basically its purpose is to project whatever’s “behind” …