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Animations in world space
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Description

System Information
Linux - Some Nvidia

Blender Version
Broken: 2.70a f93bc76
Worked: (optional)

Short description of error

Two (linked) things:

  1. Even if we choose "matrix" for "transformation type", transformations for non-bones objects (this works with bones) are exported as Loc-Rot-Scale, including animation samples. If we choose "both", matrix transformations are available in visual_scene, but not in animations. This is not so important but i don't think this is normal.
  1. The animation transformation values (output) are exported in world space, even if the targeted object is a child of another. The COLLADA spec don't speak about that, but it seem logical to export transformations in local/object space, to get a correct transformation. And, as you can test: If you import the COLLADA file that you just exported, animations of children objects are all wrong... so i think this is not a good way...

Exact steps for others to reproduce the error


Export scene in COLLADA, then import it again, see the result...

Details

Type
Bug

Event Timeline

Eric (Sedenion42) set Type to Bug.
Eric (Sedenion42) created this task.
Eric (Sedenion42) raised the priority of this task from to Needs Triage by Developer.

Gaia, think you resumed to some extend collada support? If not, please feel free to close this report as TODO…

Bastien Montagne (mont29) triaged this task as Normal priority.Aug 16 2014, 2:44 PM