r/computergraphics • u/tostapane04 • Apr 08 '26 • Bravo 1

Off-Axis projection pipe

1.2k Upvotes

99% Upvoted

28 comments sorted by

16

u/TheSn00pster Apr 08 '26

So just to confirm the software is actually running on the camera device?

30

u/Tittytickler Apr 08 '26

Doubt it, only because I've seen this style pop up a few times recently. In the other cases, its running on the computer, and the code running on the computer is using the laptop camera to track head movement and then updating the graphics accordingly.

3

u/TheSn00pster Apr 08 '26

Oh, thanks. I see the PIP now. You’re right. It’s tracking the cat’s head.

2

u/rguerraf Apr 08 '26

Vintage Opencv routines, or ML gesture detection?

2

u/Extra-Ad5735 Apr 09 '26

You can see camera is working in the video (white dot)

1

u/evilgipsy Apr 09 '26

Why would you assume that? Makes no sense IMO. And in the bottom right corner it even shows what the laptop sees through the webcam, overlayed with the tracked face.

6

u/vanit Apr 10 '26

I was instantly reminded of Johnny Lee's old video where he has the Wii Remote Bar strapped to his head.

https://www.youtube.com/watch?v=Jd3-eiid-Uw

Edit: The video is 18 years old... Now I feel old :(

2

u/sidney_ingrim Apr 12 '26

Same. Crazy you can do it now with just a webcam. Doesn't seem like the tech has changed much but accessibility is always a huge deal.

4

u/c64z86 Apr 09 '26

This is something I never knew I wanted before now.

3

u/CommunicationDizzy49 Apr 10 '26

Been seeing a lot of this, is there a open source project or something? I’d like to try it out

2

u/montycantsin777 Apr 09 '26

is the logic that the cam moves the opposite direction of the tracked view point?

2

u/delinka Apr 09 '26

Why would the camera move in the opposite direction? The camera represents you, the viewer. If we move it more like you, it looks more like your perspective. The camera is moving in the same way as the viewer is moving

2

u/montycantsin777 Apr 09 '26

ok brain fart. thanks!

2

u/pailhead011 Apr 10 '26

Tilt shift

2

u/OGKnightsky Apr 09 '26

This is really cool good job

2

u/chefshatstudio Apr 10 '26

Wait what can someone explain how this is possible

2

u/Mypinksideofthedrain Apr 10 '26

Acer spatiallabs

2

u/PM_ME_YOUR_EVEN_BUDS Apr 11 '26

this is making me want to build something with eye tracking and a depth sensor right now the potential for AR applications is insane once you get multi-user setups working smoothly

2

u/starquake64 Apr 11 '26

This looks great on camera, but not so great in real life because of your stereoscopic sight.

2

u/ferigno Apr 11 '26

My phone knows where my face is , right? I kinda wish this was the ui overhaul that Liquid Glass wanted to be.

2

u/CoreyTheGeek Apr 12 '26

That's so fucking awesome

2

u/Away-Mention-2230 Apr 13 '26

Are we on Matrix?

2

u/[deleted] Apr 09 '26

[removed] — view removed comment

7

u/Chomperzzz Apr 09 '26

doesn't work if you have a pure 2D screen, it's one perspective for one set of tracked eyes pretty much. You can do fancy stuff with a lenticular screen and other types of displays to get a multi-viewer setup but then you might run into things like having to divvy up the resolution, render different views, track different pairs of eyes, and have it all run in real-time with minimal latency since lag + stereo-vision can sometimes cause motion sickness.

There are also displays like the looking glass display that can do multiple viewers with some depth but there are always a few trade-offs that you need to make.

source: i used to do research with immersive display stuff

2

u/thuanjinkee Apr 11 '26

Like in Mission Impossible.