The attributes for CylinderGeometry in THREE.js are not specified

I've encountered an issue with accessing the .attributes.position for geometry in THREE.js. The console is returning an error message: 'Uncaught TypeError: Cannot read properties of undefined (reading 'position')'.

const cylinderGeometry = new THREE.CylinderGeometry( 5, 5, 5, 5, 15, 5, 30 );
const position = cylinderGeometry.attributes.position;
const vertex = new THREE.Vector3();

This code snippet is referenced from .

Any thoughts on why this issue might arise? Could it be related to the version of THREE.js that I'm currently using?

javascriptthree.jsthreejs-editor

Answer №1

If you're working with Three.js version r125 or higher, accessing the position attribute of any geometry is straightforward. You can do so using the `.getAttribute()` method.:

const cylinderGeometry = new THREE.CylinderGeometry( 5, 5, 5, 5, 15, 5, 30 );
const posAttribute = cylinderGeometry.getAttribute("position");
const posArray = posAttribute.array;

In case you are using a version older than r124, the way Geometry was structured has changed. The deprecated approach should be updated to a newer version for better compatibility and functionality.

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