📄 threejs/Core/Loaders/BufferGeometryLoader

File: BufferGeometryLoader.md | Updated: 11/15/2025


title: BufferGeometryLoader category: Core layout: docs

BufferGeometryLoader

Class for loading geometries. The files are internally loaded via FileLoader.

Code Example

const loader = new THREE.BufferGeometryLoader();
const geometry = await loader.loadAsync( 'models/json/pressure.json' );
const material = new THREE.MeshBasicMaterial( { color: 0xF5F5F5 } );
const object = new THREE.Mesh( geometry, material );
scene.add( object );

Constructor

new BufferGeometryLoader( manager : LoadingManager )

Constructs a new geometry loader.

manager | The loading manager.
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Methods

.load( url : string, onLoad : function, onProgress : onProgressCallback, onError : onErrorCallback )

Starts loading from the given URL and pass the loaded geometry to the onLoad() callback.

url | The path/URL of the file to be loaded. This can also be a data URI.
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onLoad | Executed when the loading process has been finished.
onProgress | Executed while the loading is in progress.
onError | Executed when errors occur.

Overrides: Loader#load

.parse( json : Object ) : BufferGeometry

Parses the given JSON object and returns a geometry.

json | The serialized geometry.
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Overrides: Loader#parse

Returns: The parsed geometry.

Source

src/loaders/BufferGeometryLoader.js