Three.js - centroid of boxHelper

Question

I have used the following to calculate the centroid of an imported model;

geometry.computeBoundingBox();
var centroid = new THREE.Vector3();
centroid.addVectors( geometry.boundingBox.min, geometry.boundingBox.max );
centroid.multiplyScalar( - 0.5 );
centroid.applyMatrix4( mesh.matrixWorld );

https://stackoverflow.com/a/25269787

It works well, but I think BoundingBox has been deprecated. Should I be using boxHelper? How do I find centroid of boxHelper?

score 3 · Accepted Answer · answered Jun 06 '17 at 13:40

1) BoundingBoxHelper was deprecated, not the boundingBox property.

2) Don't use BoxHelper to find the centroid. Just use the boundingBox property.

2.5) The boundingBox property is a Box3 object, which has a getCenter method, which gives you what you're calculating.

geometry.computeBoundingBox();
var centroid = geometry.boundingBox.getCenter();
centroid.applyMatrix4( mesh.matrixWorld );

Three.js - centroid of boxHelper

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