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Gizmo rotation inverted (in some perspective angles)
Closed, ResolvedPublicBUG

Description

System Information
Operating system: Linux-5.4.0-7642-generic-x86_64-with-debian-bullseye-sid 64 Bits
Graphics card: Radeon Vega Frontier Edition (VEGA10, DRM 3.35.0, 5.4.0-7642-generic, LLVM 10.0.0) X.Org 4.6 (Core Profile) Mesa 20.0.8

Blender Version
Broken: version: 2.93.0 Alpha, branch: master, commit date: 2021-02-01 09:00, hash: rB9c244820d1cb

Short description of error
In certain perspective angles the rotation of the Gizmo gets inverted.

Exact steps for others to reproduce the error
New blend file
Select the default cube
Turn on the Gizmo for rotation
Rotate your perspective view so it's closer to the horizon
Rotate the Z-axis of the cube with the Gizmo
...you may have to try a few angles before you notice it getting inverted.

I will include a simple blend file with a Suzanne head and a perspective that already has an angle that makes the Gizmo's Z-axis rotation be inverted.

Event Timeline

Falk David (filedescriptor) changed the task status from Needs Triage to Confirmed.EditedFeb 3 2021, 4:21 PM

I can reproduce this issue on 2.93.0 Alpha, branch: master, commit date: 2021-02-03 08:53, hash: rB488415382386. Even though the view is clearly "above" the rotation plane, a clockwise rotation of the mouse will result in a counter-clockwise rotation of the object. EDIT: This also happens using the shortcut R+Z.

Germano Cavalcante (mano-wii) changed the subtype of this task from "Report" to "Bug".