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Multi-Object-Mode: EditMesh Vert/Edge Slide (transform) incorrect orientation for non active objects
Confirmed, NormalPublic

Description

Vert/Edge slide calculates the closest edge, then a screen space vector to move the cursor along to perform the slide.

This currently is only correct for the active object.

It's possible to have multiple objects rotated differently so the slide vector will be wrong on some objects.

Note that performing vert/edge slide on multiple loops (while supported) is not all that common.

Event Timeline

Campbell Barton (campbellbarton) renamed this task from Multi-Object-Mode: EditMesh Vert/Edge Slide (transform) orientation isn't correctly calculated for non active objects to Multi-Object-Mode: EditMesh Vert/Edge Slide (transform) incorrect orientation for non active objects.Apr 17 2018, 8:14 AM
Campbell Barton (campbellbarton) lowered the priority of this task from 90 to Low.
Campbell Barton (campbellbarton) changed the task status from Unknown Status to Resolved.Jun 20 2018, 11:35 AM

Since using reduced CoW, this is no longer a problem.

The initial bugreport is still valid, as the behavior of the operator is still broken.

Copying two cube side by side and then edge sliding in multi object editing still results in wrong axis.
Also when the cubes are not even rotated.

Blender Version
Broken: version: 2.81 (sub 16), branch: master, commit date: 2019-11-08 22:59, hash: 0a0d735acd6e, type: Release

Philipp Oeser (lichtwerk) reopened this task as Confirmed.Thu, Feb 18, 6:30 PM
Philipp Oeser (lichtwerk) edited projects, added Modeling; removed Code Quest.

I have to say, this is still valid, yes.
(at least it can be awkward to use, if not impossible in certain situations)

And it has been reported again, see T85626: Multiple Objects edge (loops) sliding issue, will merge these reports