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Fix #104875: Animated dupli instances export frozen in place #104876

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Thomas Barlow merged 4 commits from Mysteryem/blender-addons:fbx_export_anim_instances_104875 into main 2023-09-11 17:29:15 +02:00
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Thomas Barlow commented 2023-09-08 01:33:16 +02:00
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Animated dupli instances would appear frozen in place in exported
animations because their worldspace matrices were not being updated for
each exported frame of animation.

It seems to have been a mistake in 2bfab056d2 that caused the matrices
to not be updated.

This patch fixes the worldspace matrices of dupli instances such that
they now update for each exported frame of animation as intended.

Animated dupli instances would appear frozen in place in exported animations because their worldspace matrices were not being updated for each exported frame of animation. It seems to have been a mistake in 2bfab056d2 that caused the matrices to not be updated. This patch fixes the worldspace matrices of dupli instances such that they now update for each exported frame of animation as intended.
Thomas Barlow added 2 commits 2023-09-08 01:33:19 +02:00 
It seems to have been a mistake in 2bfab056d2 that prevented the matrices of dupli instances being updated while iterating through each frame.
Will work even if scene_data.objects contains duplis without their
parent object
Thomas Barlow requested review from Bastien Montagne 2023-09-08 01:34:20 +02:00
Thomas Barlow commented 2023-09-08 01:41:29 +02:00
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I'm not very familiar with using instances nor the Python API for interacting with them, but this seems correct to me.

I hadn't even considered collection instancing, but that also seems to work with animation now (the collection Object is considered the parent of each of its instanced Objects).

I'm not very familiar with using instances nor the Python API for interacting with them, but this seems correct to me. I hadn't even considered collection instancing, but that also seems to work with animation now (the collection Object is considered the parent of each of its instanced Objects).
Bastien Montagne approved these changes 2023-09-11 12:59:28 +02:00
Bastien Montagne left a comment
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LGTM

LGTM
Thomas Barlow added 2 commits 2023-09-11 17:22:57 +02:00
Thomas Barlow merged commit 6b576d5282 into main 2023-09-11 17:29:15 +02:00
Thomas Barlow deleted branch fbx_export_anim_instances_104875 2023-09-11 17:29:17 +02:00
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Reference: blender/blender-addons#104876
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