[SOLVED] Stencil buffer like in unity

[Leonidas]

The closest thing I can think of is something like this:

Use occluder model to hide objects

I understand now. You can do it with some material tricks. Here you go: https://playcanvas.com/project/494481/overview/mesh-perpixel-cull

We’ve used something similar in a 360 panorama project to occlude scene objects using invisible walls.