@stone69331

2 months ago

As someone who works professionally with AR/VR/MR (collectively XR) headsets, I’m so glad you are doing these reviews of the Vision Pro (saves me a lot of work 😂). The first concept you describe, the ability to share virtual objects with someone else who is physically in the same room as you, is called World Anchoring, or more specifically sharing world anchors between the two headsets. Essentially both headsets agree on a common world anchor, and place/update all virtual objects accordingly. This is already a thing in the Quest Pro and Quest 3, as well as other higher end headsets like the HoloLens 2 and Magic Leap 2 (similarly priced around $3500-$5000). I’m surprised (but not really) that Apple isn’t on board with this concept right out of the box. The next concept, sharing a virtual environment with someone else who’s not co-located with you, just as you said is very straight forward. As for remembering unique spaces on the headset, HoloLens came up with a janky-but-effective solution for this years ago (like circa 2016 HoloLens 1 timeframe): HoloLens builds up a spatial map of the room/environment, and remembers the name of the wifi network that it was connected to when it built that map. It then saves that map to its internal memory. The next time the headset connects to the same WiFi network, it recognizes the name, and immediately loads up the pre-built spatial map for that area. This saves on processing power by not having to recreate the spatial map every time the headsets boots up. HoloLens can remember multiple WiFi signals/spatial maps (they’re on the order of MB of data, so not much compared to its 64GB of onboard memory. I’m sure the list could go on. Again, surprised-but-not-surprised that Apple hasn’t figured any of this out yet. 😂

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