OMI glTF Working Group Meeting 2023-02-02

[robertlong]

This meeting is on 1/26/2023 at 10:30 PM (UTC) / 2:30 PM (PST) in the OMI Discord within the #omi-weekly-meeting channel. During the meeting, we will be using the #omi-gltf-extensions channel to manage a speaker queue, post links, and for any sidebar discussions.

To be notified of this meeting and others, subscribe to the OMI Meetings and Events Calendar or add yourself to the @omi-gltf-subgroup role in the #roles channel of the OMI Discord.

Agenda:

• We discussed https://openmv.org (Open Metaverse Foundation) and how we can synergize with their efforts. Should we make a showcase of our projects to open up a broader discussion?

• jin - proposals how to make our specs and work more accessible to others. showcase gltf models

• Review pull requests https://github.com/omigroup/gltf-extensions/pulls

• EXT_skin_humanoid

• OMI_personality proposal #133 - may postpone because ant couldn't make it this week.

• OMI_link

• OMI_spawn_point

• Review MSFT_physics

  • Replace isKinematic with a string enum for the body type eoineoineoin/glTF_Physics#4
  • Remove the centerOfMass property eoineoineoin/glTF_Physics#5
  • Remove the isHollow parameter from collider shapes eoineoineoin/glTF_Physics#6
  • Define explicit units for all relevant properties eoineoineoin/glTF_Physics#7

• Licensing Extension https://twitter.com/superhoge/status/1596757861882740736

• KHR_audio / Khronos feedback

  • gltf-sample-assets

• Third Room Extensions

• glXF

• Show and tell

• Create next weeks agenda

To propose another item for the agenda, comment below (preferably before the meeting).

[robertlong]

UnityGLTF

• Progress made on UnityGLTF conformance and extension API
• Published PRs for those fixes https://github.com/prefrontalcortex/UnityGLTF/pulls

Matrix Specs under development

• WIP GLTF extension documentation matrix-org/thirdroom#469
• Implementations in Third Room Unity Exporter https://github.com/matrix-org/thirdroom-unity-exporter

Lightmap Specs

• MOZ_lightmap
• MX_lightmap
• needle_lightmaps

[madjin]

I'm working on documentation and examples for glTF based lightmaps here (WIP):

• https://github.com/madjin/lightmap-tests
• https://hackmd.io/@XR/rkx6PV7nj

[robertlong]

Cross Community Open Metaverse Expo

• Feb 17th and onwards
• Showcase / Expo of OMI glTF Extensions #139

[madjin]

Metaverse Interop Community Showcase / Expo

Last week we discussed ideas for showcasing gltf-extensions activities / projects as booths sorta like a living blog or knowledge space

@antpb is working on booths, here's one he made for personality extension that will later be templatized
https://user-images.githubusercontent.com/32600939/216471691-c423d474-1761-41b5-978f-2fdd74511f91.mp4

Meeting up tomorrow to go over the booth templates: https://hyperfy.io/street

Can download booths here: https://github.com/NEON-BUIDL/booths and via Sketchfab: https://sketchfab.com/m3org/models

Similar to vket this event will be weeks long with opportunities sprinkled in to host panels / talks / presentations