Class GltfDataAtLoaders

constructor

• new GltfDataAtLoaders(
      url: string,
      device: GPUDevice,
      parent: GLTFModel,
  ): GltfDataAtLoaders

  Parameters

  • url: string
  • device: GPUDevice
  • parent: GLTFModel

  Returns GltfDataAtLoaders

accessor

device

gltf

gltfJson

gltfType

GPUBuffers

GPUTexture

modelData

parent

url

createGPUBuffer

• createGPUBuffer(accessorID: number, Buffer?: TypedArray): GPUBuffer

  创建accessor对应的GPUBuffer

  Parameters

  • accessorID: number
  • OptionalBuffer: TypedArray

  Returns GPUBuffer

  GPUBuffer

detachData

• detachData(): void

  Returns void

generateAccessor

• generateAccessor(
      accessorID: number,
      aliaseID: string,
      useFor: E_accessorUseFor,
  ): Promise<I_vsGPUBufferBundle | I_indexGPUBufferBundle>

  Parameters

  • accessorID: number
  • aliaseID: string
  • useFor: E_accessorUseFor

  Returns Promise<I_vsGPUBufferBundle | I_indexGPUBufferBundle>

generateAccessorForArray

• generateAccessorForArray(
      accessorID: number,
      useFor: E_accessorUseFor,
  ): Promise<number[]>

  20260425:todo,sparse 写在了GPUBuffer上，需要适配

  Parameters

  • accessorID: number
  • useFor: E_accessorUseFor

  Returns Promise<number[]>

getAccessor

• getAccessor(
      accessorID: number,
      useFor: E_accessorUseFor,
  ): Promise<TypedArray | I_vsGPUBufferBundle | I_indexGPUBufferBundle>

  gltf accessor的数组数据

  Parameters

  • accessorID: number
  • useFor: E_accessorUseFor

    accessor的使用场景

  Returns Promise<TypedArray | I_vsGPUBufferBundle | I_indexGPUBufferBundle>

  GPU buffer bundle 或 TypedArray

getAccessorArray

• getAccessorArray(
      accessorID: number,
      useFor: E_accessorUseFor,
  ): Promise<number[]>

  gltf accessor的数组数据

  Parameters

  • accessorID: number
  • useFor: E_accessorUseFor

    accessor的使用场景

  Returns Promise<number[]>

  数组数据

getAccessorForArray

• getAccessorForArray(index: number): number[]

  获取accessor的数组

  Parameters

  • index: number

  Returns number[]

getAccessorForByte

• getAccessorForByte(
      index: number,
  ):
      | Float32Array<ArrayBufferLike>
      | Uint32Array<ArrayBufferLike>
      | Int32Array<ArrayBufferLike>

  获取accessor的字节数组 i32|u32|f32

  Parameters

  • index: number

  Returns
      | Float32Array<ArrayBufferLike>
      | Uint32Array<ArrayBufferLike>
      | Int32Array<ArrayBufferLike>

getAccessorOfSource

• getAccessorOfSource(index: number): any

  获取accessor数据

  Parameters

  • index: number

    accessor索引

  Returns any

  accessor数据

getAccessorTypeForGPUVertexFormat

• getAccessorTypeForGPUVertexFormat(
      accessorID: number | object,
  ): {
      arrayStride: number;
      byteSize: number;
      format: GPUVertexFormat;
      wgslFormat: string;
  }

  获取accessor对应的GPUVertexFormat

  Parameters

  • accessorID: number | object

  Returns {
      arrayStride: number;
      byteSize: number;
      format: GPUVertexFormat;
      wgslFormat: string;
  }

  包含format、wgslFormat、byteSize、arrayStride的对象

getBufferByBufferViewID

• getBufferByBufferViewID(
      bufferViewID: number,
  ): { arrayBuffer: ArrayBuffer; byteLength: number; byteOffset: number }

  获取BufferView对应的Buffer

  Parameters

  • bufferViewID: number

  Returns { arrayBuffer: ArrayBuffer; byteLength: number; byteOffset: number }

  byteOffset: number, 两层offset相加后的offset
  byteLength: number, bufferView的长度
  arrayBuffer: ArrayBuffer;

getCurrentScene

• getCurrentScene(): number

  Returns number

getGPUBuffer

• getGPUBuffer(accessorID: number): undefined | GPUBuffer

  获取accessor对应的GPUBuffer

  Parameters

  • accessorID: number

  Returns undefined | GPUBuffer

  GPUBuffer

getImage

• getImage(index: number): Promise<undefined | ImageBitmap>

  Parameters

  • index: number

  Returns Promise<undefined | ImageBitmap>

getImages

• getImages(): undefined | any[]

  Returns undefined | any[]

getMaterial

• getMaterial(index: number): any

  Parameters

  • index: number

  Returns any

getMaterials

• getMaterials(): undefined | any[]

  Returns undefined | any[]

getMesh

• getMesh(index: number): any

  Parameters

  • index: number

  Returns any

getMeshes

• getMeshes(): undefined | any[]

  Returns undefined | any[]

getNode

• getNode(index: number): any

  Parameters

  • index: number

  Returns any

getNodes

• getNodes(): undefined | any[]

  Returns undefined | any[]

getSampler

• getSampler(index: number): any

  Parameters

  • index: number

  Returns any

getSamplers

• getSamplers(): undefined | any[]

  Returns undefined | any[]

getScene

• getScene(index?: number): any

  Parameters

  • Optionalindex: number

  Returns any

getScenes

• getScenes(): undefined | any[]

  Returns undefined | any[]

getSkin

• getSkin(index: number): GLTFSkin

  Parameters

  • index: number

  Returns GLTFSkin

getSkins

• getSkins(): undefined | any[]

  Returns undefined | any[]

getTexture

• getTexture(index: number): any

  Parameters

  • index: number

  Returns any

getTextures

• getTextures(): undefined | any[]

  Returns undefined | any[]

gltfJSON

• gltfJSON(): any

  Returns any

init

• init(): Promise<GLTFWithBuffers | GLB>

  Returns Promise<GLTFWithBuffers | GLB>

isDraco

• isDraco(): boolean

  Returns boolean