var isRootObject = ( meta === undefined );

var data = {};

// meta is a hash used to collect geometries, materials.

// not providing it implies that this is the root object

images: {}

};

version: 4.4,

type: 'Object',

generator: 'Object3D.toJSON'

}

if ( isRootObject ) {

var geometries = extractFromCache( meta.geometries );

}

return output;

// extract data from the cache hash

console.warn( 'THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute.' );

this.setIndex( attribute );

}

this.attributes[ name ] = attribute;

if ( index !== null ) {

} else {