I create a rectangle with cut or rounded corners using ExtrudeGeometry and after rotating its mesh I get a bounding box larger than this geometry. If I rotate the geometry itself, the problem disappears, but when I group several of these geometries and rotate this group, the problem occurs again. I …

I found a solution. You should modify “expandByObject” method of Box3 class like this: expandByObject(object) { object.updateWorldMatrix(false, false); const geometry = object.geometry; if (geometry !== undefined) { object.updateWorldMatrix(true, false); geometry.computeBoundingBox(object.m…

Bounding box bigger than concave object (ExtrudeGeometry)

Questions

s0a January 2, 2022, 12:49am 4

I patched my source to use this workaround and:

it does fix bounding box computation
but it also breaks ray intersections

Invalid bounds generated for some orientations

Topic		Replies	Views
Invalid bounds generated for some orientations Questions geometry	2	693	January 2, 2022
Bounding box calculation not correct based on Blender glb export Questions blender-exporter , bounding-box , glb-exporter	3	116	August 15, 2024
Boundingbox of object with rotation Questions box3 , boundingbox	5	4250	December 1, 2022
What is the reason for larger box in the setFromObject method? Questions geometry	1	985	September 21, 2021
BoxHelper generates incorrect bounding box Questions geometry , box-helper , bounding-box	3	1384	March 27, 2023

Bounding box bigger than concave object (ExtrudeGeometry)

Related topics