[X3D-Ecosystem] As previously discussed. Bone handling

[John Carlson]

Here's a slightly more interesting dual hierarchy import, with some
duplicate nodes.  I'll have to research where they are coming from.

[image: image.png]

On Thu, Dec 26, 2024 at 10:28 PM John Carlson <yottzumm at gmail.com> wrote:

> Here's the first attempt at a dual hierarchy import (seriously) of Joe
> Skin, update 3.  Note that there's no transform :"Joe_humanoid_root" yet.
> Note that Joe_sacrum and Joe_RootFront are under Joe_humanoid,
> AxisLineShape is inside Joe_RootFront (inside the Humanoid), so that's why
> the AxisLineShape gets assigned to the skin on export.  But I don't know
> why there are 4 axis line shapes yet.
>
> Also note that the animations are assigned to the empties (transforms),
> not the bones.  The vertex_groups hang off the IFS.
>
>
>
> [image: image.png]
>
> On Thu, Dec 26, 2024 at 7:26 PM John Carlson <yottzumm at gmail.com> wrote:
>
>> I will soon modify my Blender importer to add a joint hierarchy of empty
>> objects under the armature that refers to blender bones that i currently
>> add for joints under the armature.  I am doing this primarily as
>> optimization.  I will quickly be able to find the bone_parent of the empty
>> object, plus have a place to hang segments and sites without confusion of
>> figuring out which segment goes with each bone.  The empty objects will map
>> one for one with the bones.  If there’s no skin field, I will seriously
>> consider deleting all bones.  If there’s a skin field, i will seriously
>> consider deleting all joint empty objects.  Then we will also consider
>> Hanim exports with and without bones to decide what to do.  Obviously, we
>> only want one joint hierarchy on output.
>>
>> This seems like a good approach to handle both skinning and site/segment
>> geometry.
>>
>
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