FBX: Apply Transform Broken with child of child #65478
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Reference: blender/blender-addons#65478
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System Information
Operating system: Windows-7-6.1.7601-SP1 64 Bits
Graphics card: GeForce 840M/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 384.76
Blender Version
Broken: version: 2.80 (sub 74), branch: blender2.7, commit date: 2019-06-04 00:52, hash:
blender/blender@c13e10a740Short description of error
When Exporting FBX with Apply Transform, the parent and child object are exported correctly, but child of child object get wrong transform.
Exact steps for others to reproduce the error
this is a simple example.
test.blend
the file contains 3 arrow model. arrow2 is a child of arrow1, and arrow3 is a child of arrow2. As shown below.
Export a fbx file with Apply Transform On. And you can see that arrow1 and arrow2 are exported correctly, but arrow3 has wrong rotation and position. The fbx looks the same both in unity and reimported into blender.
Added subscriber: @guizx16
#100325 was marked as duplicate of this issue
#97043 was marked as duplicate of this issue
Added subscriber: @mont29
Changed status from 'Open' to: 'Archived'
Thanks for the report, but that Apply Transform option is known broken in pretty much anything but basic use cases (static meshes without any fancy relations or anything). That’s why it’s marked as experimental, not a bug, just some TODO to get that actually working…
So is there a solution to make child object's Z pointing forward in Unity? Without Apply Transform I can only get -Y forward and Apply Transform is currently broken.
Added subscribers: @Warkarma, @PratikPB2123
Guys, this not a solution. It also looks like it was first reported in 2019
Added subscribers: @JacRossiter, @mano-wii
Hello, thanks for taking a look at this. Excuse me, I'm not overly familiar with the process of fixing broken/experimental features. Is there a place to follow this specific issue? It seems that both reports have now been closed so I don't think we'll see anymore activity on these reports.
@mont29 You mentioned there was a TODO to fix this. Is that something you could link me to please? I would be very interested to follow along with this.