it's just a proof of concept, but this web site discussed a few weeks ago absolutely blew my socks off:

discussion:

https://news.ycombinator.com/item?id=20929801

site:

https://3dforreddit.com/r/pics

From a comment:

"

How to use it Desktop: Click to start, WASD and mouse to move

Mobile: Dragging on left half of screen is move, right have is look

Append any subreddit to the url to switch subreddits

"

It should work in any browser but if you have a good GPU it will help a ton.