This is actually my second attempt at this and I followed a few different Tutorials, all with the same outcome for me. Here is a recording of what I mean: https://youtu.be/NBExBmhxvDg
When moving around, the Portal Camera rotates in a weird way, clipping through the ground. Overall it doesn’t look very windowy-like.
This is my logic for the relative portal cam movement.
The “Rotation Ref” is just a scene component that I rotated 180° so the camera is behind the portal, not in front.
Generally it seems the rotation pivot of the portal camera moves different than the camera itself, but I can only assume that on how it looks. The tutorials all didn’t have that problem, so it’s hard for me to actually figure out what’s wrong. I set the render target size to the viewport dimensions on runtime, so it’s dynamic and has the correct dimensions