.vertices array does not give the vertices in THREE.js

Question

I am using OBJloader to load an .obj file in WEBGL , Three.js. I want to access the vertices and faces of the objects but the geometry.vertices does not return the vertices positions and it gives me undefined.

Here is a piece of code:

 var tool= new THREE.OBJLoader();
 tool.load( '../obj/tool.obj', function ( object ) {
            var material = new THREE.MeshLambertMaterial({color:0xA0A0A0});             
            object.traverse( function ( child ) {
                if ( child instanceof THREE.Mesh ) {
                   child.material = material;
                   console.log( "child" + child.geometry.vertices);} }

r.70

I am thankful for your helps in advance.

I have checked some samples using geometry.vertices with OBJloader but it does not work in my code. Besides, i need to move the object later and update the vertices positions and also access to the faces. But it does not have access to faces in buffergeometry attributes. — Arezoo Tony
– Arezoo Tony, Commented Jun 2, 2015 at 3:01

WestLangley · Accepted Answer · 2021-05-04 16:23:42Z

5

This answer only applies to versions of three.js prior to r.125.

If the loader you are using is returning BufferGeometry, you can convert the returned geometry to Geometry in the loader callback using a pattern like so:

var geometry = new THREE.Geometry().fromBufferGeometry( bufferGeometry );

three.js r.124

edited May 4, 2021 at 16:23

answered Jun 3, 2015 at 15:38

WestLangley

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