Babylon.js Playground Babylon.js playground is a live editor for Babylon.js WebGL 3D scenes First: drag rotation sphere to rotate duck. Second: click duck,then it will append gizmo to child node. Desired result: boundingGizmo will flow the mesh rotate. …

Better late than never onDragObservable to position/rotate/scale gizmos by CedricGuillemet · Pull Request #14365 · BabylonJS/Babylon.js · GitHub

Huh. But scaling is already not preserved in the first PG. Plus I get all sort of other issues in this version, if I start by zooming the camera. In some case, the mesh would even go completely haywire. And the second PG seems to work fine and also has scaling. So in the end, I guess my question is…

The first PG with Gizmo.PreserveScaling = true.Then it works uncorrectly. But if i set Gizmo.PreserveScaling = false.Gizmo works correctly.(The second PG)

Yes but how is this an issue or a bug? It is said that the default is off. There must be some reason for it.

Like @mawa said,in the first PG.We rotation gizmo firstly.Then click the duck repeatedly,we will get all sort of other issues.

[image] Gizmo use tmpParent but do not preserve scaling sign Bugs I think that we should preserve scaling sign when we use gizmo.Though we do not preserve scaling sign,it will has same result.But it means different. 1）Withough preserve scaling sign: before attach gizmo: …

I see. So I guess its time to return to this once more because obviously, it doesn’t work . Hopefully, you’ll get a positive reaction from the people in charge. @cedric may be ? Meanwhile, have a great day,

Thanks for your reply,have a great day too. :heart:

It seems like a big question,i think that it is time that we need to review this part of the function.

I was just questionning myself about this weird artefacts and decided to quickly give it another look. Turned out with this: Babylon.js Playground Babylon.js playground is a live editor for Babylon.js WebGL 3D scenes Is it just an illusion or would you say …

Like blender 3D editor.It has a mesh list,and we can select mesh then the mesh instance in scene will attach to a gizmo. PG is an example that reproduce the problem quickly.It will has some mistakes when i take BJS to develop an 3D editor.

BoundingBoxGizmo attach to child node with a wrong boundingBox

Bugs

Aze June 6, 2022, 10:32am 6

In my product,i should set preserveScaling true to make sure that the mesh position,rotation and scaling is correct.

Topic		Replies	Views
Gizmo use tmpParent but do not preserve scaling sign Bugs gizmo	48	1721	September 29, 2023
[bug]boudingBoxGizmo change rotation position and scaling Bugs	3	211	February 2, 2024
Attaching bounding box gizmo to mesh causes its scale to change Bugs gizmo , boundingbox	7	206	June 24, 2025
BoundingBoxGizmo and Rotation Bug Bugs	2	133	March 19, 2024
Bbox Gizmo attach causes scaling/pos inaccuracy Bugs	3	113	May 13, 2024

BoundingBoxGizmo attach to child node with a wrong boundingBox

Related topics