Just published a new blog post on how to enable pass-through in WebXR for the Quest! With examples in native JavaScript, and timmykokke.com/blog/2023-02-0 #WebXR #AR #MetaQuest2
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Dave Hill 
@00davehill00
Engineering Manager for VR Web Platform at Meta. Opinions are my own. Also mastodon.social/@davehill00, just in case.
Toronto, ONJoined February 2021
Dave Hill πΊπ¦βs Tweets
Thereβs an inverse correlation between how much you architect code to be reusable and how much you actually end up reusing it.
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#Quest browser 25.3 is out to 100% with support for #Webxr hit testing. Try it on in #google's modelviewer site: modelviewer.dev/examples/augme
#xp
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Recently learned that allows you to model and try out a 3D scene on Oculus by simply opening the Bezel file url in Oculus web browser. You can import your own models into Bezel. No 3D engine required. Pretty handy for AR/VR design prototyping. #xr #3d #3dmodeling twitter.com/Bezel3D/status
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A-Frame 1.4.1 officially out!
28 A-Framers helped on this one including friends from and ! ππ
See what changed and who made it happen:
github.com/aframevr/afram
Support via Github sponsorships super appreciated: github.com/sponsors/dmarc
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Want to make high-quality 3D stories for readers without the latest devices and slower connections? We open-sourced the bundler plugins we built to optimize 3D assets. Check it out here:
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Built a realistic VR Art Gallery this week using #webxr #threejs.
Classic artwork is much better experienced at their true-to-life scale (in ultra HD) than how we usually see them on tiny phone and laptop screens.
github.com/mattvr/vr-art-
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I've found the same thing. Text and image quality is dramatically improved using WebXR layers. A browser really has to support the full Layers API before it can claim true WebXR support.
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I finally got an end-to-end demo using WebXR Compositor Layers in Three.js, updating the "TV screen" in my boxing app to use a quad layer. The quality improvement when using the quad layer is dramatic.
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You can compare with/without here (on Quest 2/Pro):
With Quad Layer:
davehill00.github.io/box/dist/index
Without Quad Layer:
davehill00.github.io/box/dist/index
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I finally got an end-to-end demo using WebXR Compositor Layers in Three.js, updating the "TV screen" in my boxing app to use a quad layer. The quality improvement when using the quad layer is dramatic.
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Wrote a parser today in Rust for the Apple/Pixar USDZ 3D model format from scratch (including zip archive), was able to parse an extremely simple file in a browser in WebAssembly.
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AR Violin on the Quest Pro π» #WebXR
Instead of using AR to assist me playing a real violin, I used to 3D scan the violin & bow, and used a violin #Tonejs instrument
Each finger maps to each string, and the more I curl them the higher the note twitter.com/ConcreteSciFi/
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This year we released a variety of demos, tutorials, case studies, and best practices to elevate how and what you build. But, sometimes valuable content can fall through the cracks.
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Today weβre excited to announce that you have more GPU compute power to work with on Meta Quest 2 devicesβ7% to be exact. All developers can start taking advantage of the new 525 MHz GPU frequency (up from 490 MHz) for better app performance. Learn more β‘οΈ developer.oculus.com/blog/boost-app
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Really important update for Quest devs(and happy to say that my direct team was heavily involved in shipping this π).
Here are the quick implications:
1) Simply put, you'll have 7% more GPU perf. It is super important to understand that this 7% perf will likely
(continued)
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Today weβre excited to announce that you have more GPU compute power to work with on Meta Quest 2 devicesβ7% to be exact. All developers can start taking advantage of the new 525 MHz GPU frequency (up from 490 MHz) for better app performance. Learn more 
developer.oculus.com/blog/boost-app
developer.oculus.com/blog/boost-app15
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Happy to finally share that we've managed to up-clock the Quest 2 GPU for improved performance and graphics, with no changes necessary to existing software. Great work by our engineering teams to unlock more power for the Quest 2 chipset. developer.oculus.com/blog/boost-app
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Meta Quest Browser now has an experimental API for invoking the system keyboard in WebXR!
developer.oculus.com/documentation/
Text entry in WebXR is a challenge we hear from devs a lot. Few want to roll their own soft keyboard.
Check out the API and give feedback as we work to standardize!
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Websites can now add a button to remotely open a URL on your Quest.
This significantly reduces the time & effort needed to access WebXR experiences.
uploadvr.com/meta-quest-web
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Introducing Web Launch: sites can now simply link to
oculus.com/open_url/?url=<YourEncodedURL>
to enable users to open a URL on their Quest headset to view in VR!
Try it on today and check out docs for how to integrate into your site:
developer.oculus.com/documentation/
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Web Launch is a new API that helps web devs bring more people into VR from desktop or mobile devices. We teamed up with @Matterportβa leading digital twin platform transforming real-world spaces into immersive 3D modelsβto show how easy it is to open WebXR experiences in VR 
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This is an awesome new feature for WebXR devs targeting Quest! Now, you can put a link on your website that will enable users on desktop and mobile browsers to easily open the link on their headset.
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Web Launch is a new API that helps web devs bring more people into VR from desktop or mobile devices. We teamed up with @Matterportβa leading digital twin platform transforming real-world spaces into immersive 3D modelsβto show how easy it is to open WebXR experiences in VR
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Since angular velocity represents change in orientation, I guess I could calculate before/after orientations then translate those into a new coordinate space, then recalc the velocity as the difference between the two? π€
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Trying to figure out the math for transforming angular velocity from one coordinate space to another and feeling kind of stuck. Anyone have a good reference that explains how to do this?
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all of us on here (2016): social media is plague and should be yeeted directly into the sun.
all of us on here (2022): the wanton destruction of this important social commons is a crime against humanity.
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Giddy sadness is kind of the quintessential twitter emotion.
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they just need one 7500x engineer
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Re-sharing as it looks like we might in fact be coming to the end of this particular party... π¬π
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Feels really sad watching Twitter fall apart in real time. Iβve really enjoyed the WebXR community I found here. If things really go sideways here, Iβm on the WebXR Discord (discord.gg/webxr) and trying out Mastadon (mastodon.social/@davehill00).
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Thank you all. You are the finest crew in the fleet.
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Awesome to see the traction that Above Par-adowski is getting!
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50,000+ made putts by ~8,000 VR players in our first week on aboveparadowski.com!
Maybe not TikTok scale yet, but this is the most-played XR thing I've made. I'm v thankful to all the players, the #WebXR community & our @paracreative team 
Now, what's our next move? 
Now, what's our next move? 1
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Feels really sad watching Twitter fall apart in real time. Iβve really enjoyed the WebXR community I found here. If things really go sideways here, Iβm on the WebXR Discord (discord.gg/webxr) and trying out Mastadon (mastodon.social/@davehill00).
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If you haven't yet, you owe it to yourself to check out Above Par-adowski, a fun and polished mini-golf game that we just added to the Quest Browser's New Tab Page! It's awesome to see high-quality VR content like this being built on and delivered over the web!
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Above Par-adowski #WebXR Mini-Golf, out now 
Native-quality VR gameplay + UX on the web, open sourced & well-documented 
Made by @paracreative w/ @threejs + @aframevr, hosted on @glitch, targeting @MetaQuestVR, with help from the WebXR community
aboveparadowski.com
Native-quality VR gameplay + UX on the web, open sourced & well-documented
Made by @paracreative w/ @threejs + @aframevr, hosted on @glitch, targeting @MetaQuestVR, with help from the WebXR community
aboveparadowski.comShow this thread
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If you have a Quest 2/Quest Pro, you can try out the mixed-reality WebXR experience I've been building with PHORIA & Lusion at spatialfusion.io
We set out to build an experience that fully leveraged passthrough & plane-tracking, and push what was possible in WebXR.
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