Class RingGeometry

环

See

https://github.com/mrdoob/three.js/blob/dev/src/geometries/RingGeometry.js

Hierarchy

Geometry
- RingGeometry

Constructors

constructor

new RingGeometry(param?: gPartial<RingGeometry>): RingGeometry
Parameters
- Optional param: gPartial<RingGeometry>
Returns RingGeometry
Overrides Geometry.constructor
- Defined in src/3d/geometrys/RingGeometry.ts:69

Properties

class

__class__: "RingGeometry"

assetId

assetId: string

资源编号

assetType

assetType: AssetType = AssetType.geometry

attributes

attributes: {
[key: string]: AttributeBuffer;
} = {}

属性数据列表

Type declaration

[key: string]: AttributeBuffer

`Readonly` emitter

emitter: EventEmitter<GeometryEventMap> = ...

事件发射器。

indexBuffer

indexBuffer: ElementBuffer

顶点索引缓冲

innerRadius

innerRadius: number = 0.5

name

name: string

outerRadius

outerRadius: number = 1

phiSegments

phiSegments: number = 1

scaleU

scaleU: number = 1

纹理U缩放，默认为1。

scaleV

scaleV: number = 1

纹理V缩放，默认为1。

thetaLength

thetaLength: number = ...

thetaSegments

thetaSegments: number = 8

thetaStart

thetaStart: number = 0

Accessors

bounding

get bounding(): Box3
Returns Box3
Inherited from Geometry.bounding
- Defined in src/3d/geometrys/Geometry.ts:250

geometryInfo

get geometryInfo(): string
几何体信息

Returns string
Inherited from Geometry.geometryInfo
- Defined in src/3d/geometrys/Geometry.ts:79

numTriangles

get numTriangles(): number
三角形数量

Returns number
Inherited from Geometry.numTriangles
- Defined in src/3d/geometrys/Geometry.ts:136

numVertex

get numVertex(): number
顶点数量

Returns number
Inherited from Geometry.numVertex
- Defined in src/3d/geometrys/Geometry.ts:124

Methods

addGeometry

addGeometry(geometry: Geometry, transform?: Matrix4x4): void
添加几何体
Parameters
- geometry: Geometry
  
  被添加的几何体
- Optional transform: Matrix4x4
  
  变换矩阵，把克隆被添加几何体的数据变换后再添加到该几何体中
Returns void
Inherited from Geometry.addGeometry
- Defined in src/3d/geometrys/Geometry.ts:148

applyTransformation

applyTransformation(transform: Matrix4x4): void
应用变换矩阵
Parameters
- transform: Matrix4x4
  
  变换矩阵
Returns void
Inherited from Geometry.applyTransformation
- Defined in src/3d/geometrys/Geometry.ts:212

beforeRender

beforeRender(renderAtomic: RenderAtomic): void
Parameters
- renderAtomic: RenderAtomic
Returns void
Inherited from Geometry.beforeRender
- Defined in src/3d/geometrys/Geometry.ts:348

`Protected` buildGeometry

buildGeometry(): void
构建几何体数据

Returns void
Overrides Geometry.buildGeometry
- Defined in src/3d/geometrys/RingGeometry.ts:84

clear

clear(): void
清理数据

Returns void
Inherited from Geometry.clear
- Defined in src/3d/geometrys/Geometry.ts:379

clone

clone(): Geometry
克隆一个几何体

Returns Geometry
Inherited from Geometry.clone
- Defined in src/3d/geometrys/Geometry.ts:314

cloneFrom

cloneFrom(geometry: Geometry): void
从一个几何体中克隆数据
Parameters
- geometry: Geometry
Returns void
Inherited from Geometry.cloneFrom
- Defined in src/3d/geometrys/Geometry.ts:326

getFaces

getFaces(result?: number[][]): number[][]
Parameters
- result: number[][] = []
Returns number[][]
Inherited from Geometry.getFaces
- Defined in src/3d/geometrys/Geometry.ts:300

getVertices

getVertices(result?: Vector3[]): Vector3[]
获取顶点列表
Parameters
- result: Vector3[] = []
Returns Vector3[]
Inherited from Geometry.getVertices
- Defined in src/3d/geometrys/Geometry.ts:289

invalidateBounds

invalidateBounds(): void
包围盒失效

Returns void
Inherited from Geometry.invalidateBounds
- Defined in src/3d/geometrys/Geometry.ts:244

invalidateGeometry

invalidateGeometry(): void
标记需要更新几何体，在更改几何体数据后需要调用该函数。

Returns void
Inherited from Geometry.invalidateGeometry
- Defined in src/3d/geometrys/Geometry.ts:95

raycast

raycast(ray: Ray3, shortestCollisionDistance?: number, cullFace?: CullFace): {
    index: number;
    localNormal: Vector3;
    localPosition: Vector3;
    rayEntryDistance: number;
    uv: Vector2;
}
射线投影几何体
Parameters
- ray: Ray3
  
  射线
- shortestCollisionDistance: number = Number.MAX_VALUE
  
  当前最短碰撞距离
- cullFace: CullFace = 'NONE'
  
  裁剪面枚举
Returns {
    index: number;
    localNormal: Vector3;
    localPosition: Vector3;
    rayEntryDistance: number;
    uv: Vector2;
}
- index: number
- localNormal: Vector3
- localPosition: Vector3
- rayEntryDistance: number
- uv: Vector2
Inherited from Geometry.raycast
- Defined in src/3d/geometrys/Geometry.ts:273

updateGrometry

updateGrometry(): void
更新几何体

Returns void
Inherited from Geometry.updateGrometry
- Defined in src/3d/geometrys/Geometry.ts:105

`Static` buildGeometry

buildGeometry(__namedParameters: IRingGeometry): {
    indices: any[];
    normals: any[];
    positions: any[];
    uvs: any[];
}
构建几何体数据
Parameters
- __namedParameters: IRingGeometry
Returns {
    indices: any[];
    normals: any[];
    positions: any[];
    uvs: any[];
}
- indices: any[]
- normals: any[]
- positions: any[]
- uvs: any[]
- Defined in src/3d/geometrys/RingGeometry.ts:100

`Static` create

create<K>(geometry: K, params?: gPartial<GeometryMap[K]>): GeometryMap[K]
构造几何体。

Returns
几何体实例。
Type Parameters
- K extends keyof GeometryMap
Parameters
- geometry: K
  
  几何体名称。
- Optional params: gPartial<GeometryMap[K]>
  
  几何体参数。
Returns GeometryMap[K]
Inherited from Geometry.create
- Defined in src/3d/geometrys/Geometry.ts:396

`Static` getDefault

getDefault<K>(name: K): DefaultGeometryMap[K]
获取默认几何体
Type Parameters
- K extends keyof DefaultGeometryMap
Parameters
- name: K
  
  默认几何体名称
Returns DefaultGeometryMap[K]
Inherited from Geometry.getDefault
- Defined in src/3d/geometrys/Geometry.ts:422

`Static` setDefault

setDefault<K>(name: K, geometry: DefaultGeometryMap[K], param?: gPartial<DefaultGeometryMap[K]>): void
设置默认几何体
Type Parameters
- K extends keyof DefaultGeometryMap
Parameters
- name: K
  
  默认几何体名称
- geometry: DefaultGeometryMap[K]
  
  默认几何体
- Optional param: gPartial<DefaultGeometryMap[K]>
Returns void
Inherited from Geometry.setDefault
- Defined in src/3d/geometrys/Geometry.ts:409

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