WasmGPU.gltf.readIndicesAsUint32¶

Summary¶

WasmGPU.gltf.readIndicesAsUint32 handles glTF/GLB loading, parsing, accessor extraction, or import into WasmGPU scene objects.

Syntax¶

WasmGPU.gltf.readIndicesAsUint32(doc: GltfDocument, accessorIndex: number): Uint32Array
const result = wgpu.gltf.readIndicesAsUint32(doc, accessorIndex);

Parameters¶

Name	Type	Required	Description
`doc`	`GltfDocument`	Yes	Parsed glTF document containing JSON, buffers, and optional image payloads.
`accessorIndex`	`number`	Yes	Zero-based accessor index in `doc.json.accessors`.

Returns¶

Uint32Array - Array-like result returned by this operation.

Type Details¶

GltfDocument¶

type GltfDocument = {

    json: GltfRoot;

    buffers: ArrayBuffer[];

    images?: ArrayBuffer[];

    baseUrl: string;

};

GltfDocument Fields¶

Name	Type	Required	Description
`json`	`GltfRoot`	Yes	Parsed glTF JSON root object.
`buffers`	`ArrayBuffer[]`	Yes	Typed numeric/binary data consumed by this operation.
`images`	`ArrayBuffer[]`	No	Typed numeric/binary data consumed by this operation.
`baseUrl`	`string`	Yes	Base URL used to resolve relative glTF asset URIs.

GltfRoot¶

type GltfRoot = {

    asset: GltfAsset;

    scene?: GltfID;

    scenes?: GltfScene[];

    nodes?: GltfNode[];

    meshes?: GltfMesh[];

    buffers?: GltfBuffer[];

    bufferViews?: GltfBufferView[];

    accessors?: GltfAccessor[];

    materials?: GltfMaterial[];

    textures?: GltfTexture[];

    images?: GltfImage[];

    samplers?: GltfSampler[];

    skins?: GltfSkin[];

    animations?: GltfAnimation[];

    cameras?: GltfCamera[];

    extensionsUsed?: string[];

    extensionsRequired?: string[];

    extensions?: GltfExtensions;

    extras?: GltfExtras;

};

GltfRoot Fields¶

Name	Type	Required	Description
`asset`	`GltfAsset`	Yes	glTF asset metadata block.
`scene`	`GltfID`	No	Default scene index or scene reference in glTF/root metadata.
`scenes`	`GltfScene[]`	No	Array input for `scenes` used by this API call.
`nodes`	`GltfNode[]`	No	Array input for `nodes` used by this API call.
`meshes`	`GltfMesh[]`	No	Array input for `meshes` used by this API call.
`buffers`	`GltfBuffer[]`	No	Array input for `buffers` used by this API call.
`bufferViews`	`GltfBufferView[]`	No	Array input for `bufferViews` used by this API call.
`accessors`	`GltfAccessor[]`	No	Array input for `accessors` used by this API call.
`materials`	`GltfMaterial[]`	No	Array input for `materials` used by this API call.
`textures`	`GltfTexture[]`	No	Array input for `textures` used by this API call.
`images`	`GltfImage[]`	No	Array input for `images` used by this API call.
`samplers`	`GltfSampler[]`	No	Array input for `samplers` used by this API call.

GltfAsset¶

type GltfAsset = {

    version: string;

    generator?: string;

    copyright?: string;

    minVersion?: string;

    extras?: GltfExtras;

};

GltfAsset Fields¶

Name	Type	Required	Description
`version`	`string`	Yes	String input controlling `version` for this operation.
`generator`	`string`	No	String input controlling `generator` for this operation.
`copyright`	`string`	No	String input controlling `copyright` for this operation.
`minVersion`	`string`	No	String input controlling `minVersion` for this operation.
`extras`	`GltfExtras`	No	Opaque application-specific metadata preserved by loader/import utilities.

GltfID¶

type GltfID = number;

GltfScene¶

type GltfScene = {

    nodes?: GltfID[];

    name?: string;

    extras?: GltfExtras;

    extensions?: GltfExtensions;

};

GltfScene Fields¶

Name	Type	Required	Description
`nodes`	`GltfID[]`	No	Array input for `nodes` used by this API call.
`name`	`string`	No	String input controlling `name` for this operation.
`extras`	`GltfExtras`	No	Opaque application-specific metadata preserved by loader/import utilities.
`extensions`	`GltfExtensions`	No	Extension payload map (usually keyed by extension name).

GltfNode¶

type GltfNode = {

    camera?: GltfID;

    children?: GltfID[];

    skin?: GltfID;

    matrix?: number[];

    mesh?: GltfID;

    rotation?: [number, number, number, number];

    scale?: [number, number, number];

    translation?: [number, number, number];

    weights?: number[];

    name?: string;

    extras?: GltfExtras;

    extensions?: GltfExtensions;

};

GltfNode Fields¶

Name	Type	Required	Description
`camera`	`GltfID`	No	Camera index/reference associated with this node or runtime object.
`children`	`GltfID[]`	No	Array input for `children` used by this API call.
`skin`	`GltfID`	No	Skin index/reference associated with this node or runtime object.
`matrix`	`number[]`	No	Array input for `matrix` used by this API call.
`mesh`	`GltfID`	No	Mesh index/reference associated with this node.
`rotation`	`[number, number, number, number]`	No	Node quaternion rotation.
`scale`	`[number, number, number]`	No	Node scale vector.
`translation`	`[number, number, number]`	No	Node translation vector.
`weights`	`number[]`	No	Array input for `weights` used by this API call.
`name`	`string`	No	String input controlling `name` for this operation.
`extras`	`GltfExtras`	No	Opaque application-specific metadata preserved by loader/import utilities.
`extensions`	`GltfExtensions`	No	Extension payload map (usually keyed by extension name).

GltfMesh¶

type GltfMesh = {

    primitives: GltfPrimitive[];

    weights?: number[];

    name?: string;

    extras?: GltfExtras;

    extensions?: GltfExtensions;

};

GltfMesh Fields¶

Name	Type	Required	Description
`primitives`	`GltfPrimitive[]`	Yes	Array input for `primitives` used by this API call.
`weights`	`number[]`	No	Array input for `weights` used by this API call.
`name`	`string`	No	String input controlling `name` for this operation.
`extras`	`GltfExtras`	No	Opaque application-specific metadata preserved by loader/import utilities.
`extensions`	`GltfExtensions`	No	Extension payload map (usually keyed by extension name).

GltfBuffer¶

type GltfBuffer = {

    uri?: string;

    byteLength: number;

    name?: string;

    extras?: GltfExtras;

    extensions?: GltfExtensions;

};

GltfBuffer Fields¶

Name	Type	Required	Description
`uri`	`string`	No	String input controlling `uri` for this operation.
`byteLength`	`number`	Yes	Numeric input controlling `byteLength` for this operation.
`name`	`string`	No	String input controlling `name` for this operation.
`extras`	`GltfExtras`	No	Opaque application-specific metadata preserved by loader/import utilities.
`extensions`	`GltfExtensions`	No	Extension payload map (usually keyed by extension name).

GltfBufferView¶

type GltfBufferView = {

    buffer: GltfID;

    byteOffset?: number;

    byteLength: number;

    byteStride?: number;

    target?: number;

    name?: string;

    extras?: GltfExtras;

    extensions?: GltfExtensions;

};

GltfBufferView Fields¶

Name	Type	Required	Description
`buffer`	`GltfID`	Yes	GPUBuffer handle used as an external data source.
`byteOffset`	`number`	No	Numeric input controlling `byteOffset` for this operation.
`byteLength`	`number`	Yes	Numeric input controlling `byteLength` for this operation.
`byteStride`	`number`	No	Numeric input controlling `byteStride` for this operation.
`target`	`number`	No	Numeric input controlling `target` for this operation.
`name`	`string`	No	String input controlling `name` for this operation.
`extras`	`GltfExtras`	No	Opaque application-specific metadata preserved by loader/import utilities.
`extensions`	`GltfExtensions`	No	Extension payload map (usually keyed by extension name).

GltfAccessor¶

type GltfAccessor = {

    bufferView?: GltfID;

    byteOffset?: number;

    componentType: GltfAccessorComponentType;

    normalized?: boolean;

    count: number;

    type: GltfAccessorType;

    max?: number[];

    min?: number[];

    sparse?: GltfAccessorSparse;

    name?: string;

    extras?: GltfExtras;

    extensions?: GltfExtensions;

};

GltfAccessor Fields¶

Name	Type	Required	Description
`bufferView`	`GltfID`	No	Index of the glTF bufferView backing this field.
`byteOffset`	`number`	No	Numeric input controlling `byteOffset` for this operation.
`componentType`	`GltfAccessorComponentType`	Yes	glTF accessor component type enum describing scalar storage width/type.
`normalized`	`boolean`	No	Boolean flag that toggles `normalized` behavior.
`count`	`number`	Yes	Numeric input controlling `count` for this operation.
`type`	`GltfAccessorType`	Yes	Type discriminator used by the associated descriptor or glTF field.
`max`	`number[]`	No	Array input for `max` used by this API call.
`min`	`number[]`	No	Array input for `min` used by this API call.
`sparse`	`GltfAccessorSparse`	No	Sparse accessor payload defining index/value patch data.
`name`	`string`	No	String input controlling `name` for this operation.
`extras`	`GltfExtras`	No	Opaque application-specific metadata preserved by loader/import utilities.
`extensions`	`GltfExtensions`	No	Extension payload map (usually keyed by extension name).

Example¶

const canvas = document.querySelector("canvas");
const wgpu = await WasmGPU.create(canvas);

const doc = await wgpu.gltf.load("./model.glb", { loadImages: true });
const accessorIndex = 0;
const result = wgpu.gltf.readIndicesAsUint32(doc, accessorIndex);
console.log(result);

WasmGPU.gltf.readIndicesAsUint32¶

Summary¶

Syntax¶

Parameters¶

Returns¶

Type Details¶

GltfDocument¶

GltfDocument Fields¶

GltfRoot¶

GltfRoot Fields¶

GltfAsset¶

GltfAsset Fields¶

GltfID¶

GltfScene¶

GltfScene Fields¶

GltfNode¶

GltfNode Fields¶

GltfMesh¶

GltfMesh Fields¶

GltfBuffer¶

GltfBuffer Fields¶

GltfBufferView¶

GltfBufferView Fields¶

GltfAccessor¶

GltfAccessor Fields¶

Example¶

See Also¶