How to fix ARPlane Occlusion

[felix330]

I’m trying to set up the AROcclusionManager in a project that uses ARPlanes and other objects replacing the floor. Now this doesn’t work very well at all, since the floor is constantly occluding the plane placed directly on the floor, so it’s flickering a lot. I want occlusion by larger objects, e.g. a chair occluding the floor. Is this possible? Can I somehow set a “threshold” where object that are within a couple centimeter from the object don’t occlude it?

[KyryloKuzyk]

Here is one possible soltion:

AR Occlusion Environment + ARPlane Flickering. How to fix it ?

This problem is called Z-Fighting and the common solution is to write a custom shader with the Offset command. Here are two great videos about Z-Fighting. http://answers.unity.com/answers/51144/view.html I took the FeatheredPlaneShader from AR Foundation Samples and added an Offset command to it. While typically Z-Fighting can be fixed by adding Offset -1, -1, I only managed to get it working with ARKit by setting factor and scale to -50. Here is the resulted shader. shader