Hilo3d API - v2.0.0
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    Class Geometry

    几何体

    const geometry = new Hilo3d.Geometry();
    geometry.addFace([-0.5, -0.289, 0], [0.5, -0.289, 0], [0, 0.577, 0]);

    Hierarchy (View Summary)

    Index
    constructor
    className colors currentIndicesCount currentVerticesCount id indices isGeometry isMorphGeometry isStatic mode normalDecodeMat positionDecodeMat skinIndices skinWeights useAABBRaycast userData uv1DecodeMat uvDecodeMat uvs uvs1 vertices
    isDirty normals revision tangents tangents1
    _aabbRaycast _raycast addFace addIndices addLine addPoints addRect calculateNormals clone convertToLinesMode convertToNoIndices getBounds getLocalBounds getLocalSphereBounds getRenderOption getShaderKey getSize getSphereBounds merge normalizePrimitiveTopology raycast rotate scale setFaceUV setRectUV setVertexUV transformMat4 translate
    className: string = 'Geometry'
    colors: GeometryData | null = null

    color 数据

    currentIndicesCount: number = 0
    currentVerticesCount: number = 0
    id: string
    indices: GeometryData | null = null

    顶点索引数据

    isGeometry: true
    isMorphGeometry: boolean = false
    isStatic: boolean = true

    是否是静态

    mode: number = TRIANGLES

    绘制模式

    normalDecodeMat: number[] | Float32Array<ArrayBufferLike> | null = null
    positionDecodeMat: number[] | Float32Array<ArrayBufferLike> | null = null
    skinIndices: GeometryData | null = null

    骨骼索引

    skinWeights: GeometryData | null = null

    骨骼权重数据

    useAABBRaycast: boolean = false

    使用 aabb 碰撞检测

    userData: unknown = null

    用户数据

    uv1DecodeMat: number[] | Float32Array<ArrayBufferLike> | null = null
    uvDecodeMat: number[] | Float32Array<ArrayBufferLike> | null = null
    uvs: GeometryData | null = null

    uv 数据

    uvs1: GeometryData | null = null

    uv1 数据

    vertices: GeometryData | null = null

    顶点数据

    • get revision(): number

      Monotonic geometry-state revision observed independently by every backend.

      Returns number

    _aabbRaycast

    _raycast

    • 添加顶点索引

      Parameters

      • ...indices: number[]

        顶点索引，如 addIndices(0, 1, 2)

      Returns void

    • 添加顶点

      Parameters

      • ...points: Point3[]

        顶点坐标，如 addPoints([x, y, z], [x, y, z])

      Returns number

    • 将三角形模式转换为线框模式，即 Material 中的 wireframe

      Returns void

    • 将 Geometry 转换成无 indices

      Parameters

      • verticesItemLen: 3 | 4 = 3

        转换结果的顶点数据的位数(3 or 4)，如果为4会补1

      Returns void

    • 获取数据的内存大小，只处理顶点数据，单位为字节

      Returns number

      内存占用大小

    • Converts primitive modes that WebGPU cannot represent into explicit indexed lists.

      Both rendering backends call this method before creating backend resources, so LINE_LOOP and TRIANGLE_FAN have one canonical CPU representation and identical draw semantics. Existing unsigned index width is preserved; non-indexed geometry receives the smallest unsigned index type that can address all of its vertices.

      Returns boolean

      Whether the geometry topology was converted.

    • 旋转

      Parameters

      • x: number = 0

        旋转角度x

      • y: number = 0

        旋转角度y

      • z: number = 0

        旋转角度z

      Returns this

      this

    • 缩放

      Parameters

      • x: number = 1
      • y: number = 1
      • z: number = 1

      Returns this

      this

    • 设置顶点对应的uv坐标

      Parameters

      • start: number

        开始的顶点索引

      • uvs: readonly Point2[]

        uv坐标数据，如 [[0, 0], [1, 0]]

      Returns void

    • 平移

      Parameters

      • x: number = 0
      • y: number = 0
      • z: number = 0

      Returns this

      this

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