Transparent mesh with depth renderer issue

Questions
1

Hello everyone!
Im trying to transfer this code

image
image1920×838 59.3 KB

using postprocess.
Unfortunatelly it seems like I cant get proper depth value for the box while checking distance inside the box (shader code). Is there any way to get fully transparent box with proper depth value?

Playground:

2

Looks like I found the difference, it was normalized rayDir vector. New playground