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Reconsider negative skinning weights

2

Thank you for the clear tutorials, specs and welcoming forum. I'd like to understand better _why_ does the spec restrict skinning weights to be non-negative? > The joint weights for...

alecjacobson

Remaining issues with the tangent space

12

A gist of open questions and suggestions wrt glTF tangent space definitions (mostly sourced from #1252). 1. The MikkTSpace algorithm is not directly applicable to an indexed mesh that was...

lexaknyazev

Alternative extension KHR_behavior for interactivity and logic

12

UX3D-nopper

Hello, Following the new expected [KHR_behavior](https://github.com/ux3d/glTF/tree/extensions/KHR_behavior/extensions/2.0/Khronos/KHR_behavior) i was wondering to include a new way to add telemetry (in the sense of IOT sensors input) input as extension of [event node](https://github.com/ux3d/glTF/blob/extensions/KHR_behavior/extensions/2.0/Khronos/KHR_behavior/schema/event/eventNode.OnValueChanged.schema.json)....

pandaGaume

WIP: Convert 2.0 extensions markdown to Asciidoctor and add Makefile

9

First version for WG review. This is the initial stage of conversion. It simply converts each extensions/2.0/{Vendor,Khronos}/*/README.md to a corresponding \.adoc. As with the glTF 2.0 spec, this is somewhat...

oddhack

Mesh sequence animations

4

Does glTF support mesh sequence animations? I have a bunch of N obj files defining an sequence animation that I want to convert to a binary file. In glTF I...

jjcasmar

INTEL_lights_sunsky: a procedural sun-sky model as environmental light source

8

Procedural sun-sky models are a wide-spread and flexible tools to provide natural illumination to scenes and objects or commercial products, complementing point lights ([`KHR_lights_punctual`](https://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Khronos/KHR_lights_punctual)) and image-based environment maps (https://github.com/KhronosGroup/glTF/pull/1956).

johguenther

Export deforming bones only without exporting animations

1

Currently, to export deformation bones only, you have to export animations:  I need to separately export meshes without animations, and animations attached to the armature; however, I need the...

PerplexedPeach

KHR_audio_emitter

56

# KHR_audio_emitter This extension adds the ability to store audio data and represent both global and positional audio emitters in a scene. This extension is intended to unify the [OMI_audio_emitter](https://github.com/omigroup/gltf-extensions/tree/main/extensions/2.0/OMI_audio_emitter)...

robertlong

Create a specification for primitive physics shapes (boxes, spheres, etc)

11

EDIT: Please note that the specific details in this proposal no longer reflect what I believe to be the best approach. The goals behind this proposal, specifying geometric shapes, are...

aaronfranke