@loaders.gl/math/dist/geometry/attributes/normalize.js

Experimental math classes for loaders.gl

/**
 * Setting X, Y, Z for Vector
 * @param normals
 * @param vector
 */
export function normalize(normals = {}, vector) {
    //@ts-ignore
    normals = this.attributes.normal;
    for (let i = 0, il = normals.count; i < il; i++) {
        vector.x = normals.getX(i);
        vector.y = normals.getY(i);
        vector.z = normals.getZ(i);
        vector.normalize();
        normals.setXYZ(i, vector.x, vector.y, vector.z);
    }
}