Copy Global Transforms addon ignores global transforms when used on a bone with a Child of constraint #105118
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Reference: blender/blender-addons#105118
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System Information
Operating system: Windows 10 Pro 64-bit (10.0 Build 19045)
Graphics card: Nvidia Geforce RTX 2060 Super
Blender Version
Broken: Version 4.1.0 Alpha, 4.01, Version 3.6
Date 2023-11-16 14:21
Hash: 3343a3fc4d
Branch: PR114407
The Copy Global Transforms Addon does not apply global transformations once there is a Child of Constraint active on the selected bone. In 3.6 the paste operator in Copy Global Transforms does not paste the Global transforms buts still sets a keyframe, however in 4.0 and above it errors out (see error message below).
Steps to reproduce the Copy Global Transforms issue:
Repeat steps 3-5 using the Armature in the Simplified Rig collection.
Thanks for the report. Could you perhaps take some time to minimize the example blend file? It now contains a full rig, with custom bone shapes and a whole bunch of hidden layers. The title of this report suggests that it's only about the Child Of constraint. A simple example that has only a few bones will help me a lot trying to figure out what's going on exactly.
Update: having said that, I don't think the error shown is caused by the Child Of constraint. It seems to be an issue with the auto-keying code of that add-on. I'll fix that first.
I've fixed the
keyframe_insert()
error (c2caf1f3f5
). Please check with tomorrow's daily build of 4.1.0 (alpha) to see if your issue was fixed.Sure thing Will test the new build when its ready!
Update, the error no longer shows up! The paste however still doesn't copy the global transformations. Here's a simplified test file:
This is a limitation of the add-on. It just adjusts the bone's loc/rot/scale properties so that it matches the global transform. This doesn't take any constraints into account. You'll see that, when you disable the Child Of constraint, the bone is exactly at the spot that you copied.
As this is not seen as a bug, just a limitation, I'll close this report.
Do know that I'm working on a different way to do this copy-pasting, that should work with any offsetting constraint as well. It'll take a while to get production-ready though.