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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="utf-8" />
- <base href="../../../" />
- <script src="page.js"></script>
- <link type="text/css" rel="stylesheet" href="page.css" />
- </head>
- <body>
- [page:Loader] →
- <h1>[name]</h1>
- <p class="desc">
- A loader for loading a JSON resource in the
- [link:https://github.com/mrdoob/three.js/wiki/JSON-Object-Scene-format-4 JSON Object/Scene format].<br /><br />
- This uses the [page:FileLoader] internally for loading files.
- </p>
- <h2>Code Example</h2>
- <code>
- const loader = new THREE.ObjectLoader();
- loader.load(
- // resource URL
- "models/json/example.json",
- // onLoad callback
- // Here the loaded data is assumed to be an object
- function ( obj ) {
- // Add the loaded object to the scene
- scene.add( obj );
- },
- // onProgress callback
- function ( xhr ) {
- console.log( (xhr.loaded / xhr.total * 100) + '% loaded' );
- },
- // onError callback
- function ( err ) {
- console.error( 'An error happened' );
- }
- );
- // Alternatively, to parse a previously loaded JSON structure
- const object = loader.parse( a_json_object );
- scene.add( object );
- </code>
- <h2>Examples</h2>
- <p>[example:webgpu_materials_lightmap WebGL / materials / lightmap]</p>
- <h2>Constructor</h2>
- <h3>[name]( [param:LoadingManager manager] )</h3>
- <p>
- [page:LoadingManager manager] — The [page:LoadingManager loadingManager]
- for the loader to use. Default is [page:LoadingManager THREE.DefaultLoadingManager].<br /><br />
- Creates a new [name].
- </p>
- <h2>Properties</h2>
- <p>See the base [page:Loader] class for common properties.</p>
- <h2>Methods</h2>
- <p>See the base [page:Loader] class for common methods.</p>
- <h3>
- [method:undefined load]( [param:String url], [param:Function onLoad], [param:Function onProgress], [param:Function onError] )
- </h3>
- <p>
- [page:String url] — the path or URL to the file. This can also be a
- [link:https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/Data_URIs Data URI].<br />
- [page:Function onLoad] — Will be called when load completes. The argument
- will be the loaded [page:Object3D object].<br />
- [page:Function onProgress] (optional) — Will be called while load
- progresses. The argument will be the ProgressEvent instance, which
- contains .[page:Boolean lengthComputable], .[page:Integer total] and
- .[page:Integer loaded]. If the server does not set the Content-Length
- header; .[page:Integer total] will be 0.<br />
- [page:Function onError] (optional) — Will be called when load errors.<br />
- </p>
- <p>
- Begin loading from url and call onLoad with the parsed response content.
- </p>
- <h3>
- [method:Object3D parse]( [param:Object json], [param:Function onLoad] )
- </h3>
- <p>
- [page:Object json] — required. The JSON source to parse.<br /><br />
- [page:Function onLoad] — Will be called when parsed completes. The
- argument will be the parsed [page:Object3D object].<br /><br />
- Parse a `JSON` structure and return a three.js object. This is used
- internally by [page:.load]() but can also be used directly to parse a
- previously loaded JSON structure.
- </p>
- <h3>[method:Object parseGeometries]( [param:Object json] )</h3>
- <p>
- [page:Object json] — required. The JSON source to parse.<br /><br />
- This is used by [page:.parse]() to parse any [page:BufferGeometry geometries] in the JSON structure.
- </p>
- <h3>[method:Object parseMaterials]( [param:Object json] )</h3>
- <p>
- [page:Object json] — required. The JSON source to parse.<br /><br />
- This is used by [page:.parse]() to parse any materials in the JSON
- structure using [page:MaterialLoader].
- </p>
- <h3>[method:Object parseAnimations]( [param:Object json] )</h3>
- <p>
- [page:Object json] — required. The JSON source to parse.<br /><br />
- This is used by [page:.parse]() to parse any animations in the JSON
- structure, using [page:AnimationClip.parse]().
- </p>
- <h3>[method:Object parseImages]( [param:Object json] )</h3>
- <p>
- [page:Object json] — required. The JSON source to parse.<br /><br />
- This is used by [page:.parse]() to parse any images in the JSON structure,
- using [page:ImageLoader].
- </p>
- <h3>[method:Object parseTextures]( [param:Object json] )</h3>
- <p>
- [page:Object json] — required. The JSON source to parse.<br /><br />
- This is used by [page:.parse]() to parse any textures in the JSON
- structure.
- </p>
- <h3>
- [method:Object3D parseObject]( [param:Object json], [param:BufferGeometry geometries], [param:Material materials], [param:AnimationClip animations] )
- </h3>
- <p>
- [page:Object json] — required. The JSON source to parse.<br />
- [page:BufferGeometry geometries] — required. The geometries of the
- JSON.<br />
- [page:Material materials] — required. The materials of the JSON.<br />
- [page:AnimationClip animations] — required. The animations of the JSON.<br /><br />
- This is used by [page:.parse]() to parse any 3D objects in the JSON
- structure.
- </p>
- <h2>Source</h2>
- <p>
- [link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]
- </p>
- </body>
- </html>
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