Class Terrain3DGeometry

地形几何体

Hierarchy

Geometry
- Terrain3DGeometry

Constructors

constructor

new Terrain3DGeometry(): Terrain3DGeometry
创建高度地形拥有segmentsW*segmentsH个顶点

Returns Terrain3DGeometry
Overrides Geometry.constructor
- Defined in node_modules/@feng3d/terrain/lib/Terrain3DGeometry.d.ts:51

Properties

`Private` _heightImageData

_heightImageData: any

`Private` _onHeightMapUrlUrlChanged

_onHeightMapUrlUrlChanged: any

assetId

assetId: string

资源编号

assetType

assetType: AssetType

attributes

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

属性数据列表

Type declaration

[key: string]: AttributeBuffer

`Private` buildUVs

buildUVs: any

创建uv坐标

depth

depth: number

地形深度

`Readonly` emitter

emitter: EventEmitter<GeometryEventMap>

事件发射器。

`Private` getPixel

getPixel: any

获取像素值

height

height: number

地形高度

heightMapUrl

heightMapUrl: string

高度图路径

indexBuffer

indexBuffer: ElementBuffer

顶点索引缓冲

maxElevation

maxElevation: number

最大地形高度

minElevation

minElevation: number

最小地形高度

name

name: string

scaleU

scaleU: number

纹理U缩放，默认为1。

scaleV

scaleV: number

纹理V缩放，默认为1。

segmentsH

segmentsH: number

纵向网格段数

segmentsW

segmentsW: number

横向网格段数

width

width: number

地形宽度

Accessors

bounding

get bounding(): Box3
Returns Box3
Inherited from Geometry.bounding
- Defined in node_modules/@feng3d/core/lib/3d/geometrys/Geometry.d.ts:107

geometryInfo

get geometryInfo(): string
几何体信息

Returns string
Inherited from Geometry.geometryInfo
- Defined in node_modules/@feng3d/core/lib/3d/geometrys/Geometry.d.ts:63

numTriangles

get numTriangles(): number
三角形数量

Returns number
Inherited from Geometry.numTriangles
- Defined in node_modules/@feng3d/core/lib/3d/geometrys/Geometry.d.ts:83

numVertex

get numVertex(): number
顶点数量

Returns number
Inherited from Geometry.numVertex
- Defined in node_modules/@feng3d/core/lib/3d/geometrys/Geometry.d.ts:79

Methods

addGeometry

addGeometry(geometry, transform?): 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 node_modules/@feng3d/core/lib/3d/geometrys/Geometry.d.ts:89

applyTransformation

applyTransformation(transform): void
应用变换矩阵
Parameters
- transform: Matrix4x4
  
  变换矩阵
Returns void
Inherited from Geometry.applyTransformation
- Defined in node_modules/@feng3d/core/lib/3d/geometrys/Geometry.d.ts:94

beforeRender

beforeRender(renderAtomic): void
Parameters
- renderAtomic: RenderAtomic
Returns void
Overrides Geometry.beforeRender
- Defined in node_modules/@feng3d/terrain/lib/Terrain3DGeometry.d.ts:52

`Protected` buildGeometry

buildGeometry(): void
创建顶点坐标

Returns void
Overrides Geometry.buildGeometry
- Defined in node_modules/@feng3d/terrain/lib/Terrain3DGeometry.d.ts:57

clear

clear(): void
清理数据

Returns void
Inherited from Geometry.clear
- Defined in node_modules/@feng3d/core/lib/3d/geometrys/Geometry.d.ts:150

clone

clone(): Geometry
克隆一个几何体

Returns Geometry
Inherited from Geometry.clone
- Defined in node_modules/@feng3d/core/lib/3d/geometrys/Geometry.d.ts:131

cloneFrom

cloneFrom(geometry): void
从一个几何体中克隆数据
Parameters
- geometry: Geometry
Returns void
Inherited from Geometry.cloneFrom
- Defined in node_modules/@feng3d/core/lib/3d/geometrys/Geometry.d.ts:135

getFaces

getFaces(result?): number[][]
Parameters
- Optional result: number[][]
Returns number[][]
Inherited from Geometry.getFaces
- Defined in node_modules/@feng3d/core/lib/3d/geometrys/Geometry.d.ts:127

getHeightAt

getHeightAt(x, z): number
获取位置在（x，z）处的高度y值
Parameters
- x: number
  
  x坐标
- z: number
  
  z坐标
Returns number
高度
- Defined in node_modules/@feng3d/terrain/lib/Terrain3DGeometry.d.ts:68

getVertices

getVertices(result?): Vector3[]
获取顶点列表
Parameters
- Optional result: Vector3[]
Returns Vector3[]
Inherited from Geometry.getVertices
- Defined in node_modules/@feng3d/core/lib/3d/geometrys/Geometry.d.ts:126

invalidateBounds

invalidateBounds(): void
包围盒失效

Returns void
Inherited from Geometry.invalidateBounds
- Defined in node_modules/@feng3d/core/lib/3d/geometrys/Geometry.d.ts:106

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 node_modules/@feng3d/core/lib/3d/geometrys/Geometry.d.ts:67

raycast

raycast(ray, shortestCollisionDistance?, cullFace?): {
    index: number;
    localNormal: Vector3;
    localPosition: Vector3;
    rayEntryDistance: number;
    uv: Vector2;
}
射线投影几何体
Parameters
- ray: Ray3
  
  射线
- Optional shortestCollisionDistance: number
  
  当前最短碰撞距离
- Optional cullFace: CullFace
  
  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 node_modules/@feng3d/core/lib/3d/geometrys/Geometry.d.ts:114

updateGrometry

updateGrometry(): void
更新几何体

Returns void
Inherited from Geometry.updateGrometry
- Defined in node_modules/@feng3d/core/lib/3d/geometrys/Geometry.d.ts:71

`Static` create

create<K>(geometry, params?): GeometryMap[K]
构造几何体。
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]
几何体实例。
Inherited from Geometry.create
- Defined in node_modules/@feng3d/core/lib/3d/geometrys/Geometry.d.ts:161

`Static` getDefault

getDefault<K>(name): 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 node_modules/@feng3d/core/lib/3d/geometrys/Geometry.d.ts:174

`Static` setDefault

setDefault<K>(name, geometry): 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: Lazy<DefaultGeometryMap[K]>
  
  默认几何体
Returns void
Inherited from Geometry.setDefault
- Defined in node_modules/@feng3d/core/lib/3d/geometrys/Geometry.d.ts:168

Class Terrain3DGeometry

Hierarchy

Index

Constructors

Properties

Accessors

Methods

Constructors

constructor

Returns Terrain3DGeometry

Properties

Private _heightImageData

Private _onHeightMapUrlUrlChanged

assetId

assetType

attributes

Type declaration

[key: string]: AttributeBuffer

Private buildUVs

depth

Readonly emitter

Private getPixel

height

heightMapUrl

indexBuffer

maxElevation

minElevation

name

scaleU

scaleV

segmentsH

segmentsW

width

Accessors

bounding

Returns Box3

geometryInfo

Returns string

numTriangles

Returns number

numVertex

Returns number

Methods

addGeometry

Parameters

geometry: Geometry

Optional transform: Matrix4x4

Returns void

applyTransformation

Parameters

transform: Matrix4x4

Returns void

beforeRender

Parameters

renderAtomic: RenderAtomic

Returns void

Protected buildGeometry

Returns void

clear

Returns void

clone

Returns Geometry

cloneFrom

Parameters

geometry: Geometry

Returns void

getFaces

Parameters

Optional result: number[][]

Returns number[][]

getHeightAt

Parameters

x: number

z: number

Returns number

getVertices

Parameters

Optional result: Vector3[]

Returns Vector3[]

invalidateBounds

`Private` _heightImageData

`Private` _onHeightMapUrlUrlChanged

`Private` buildUVs

`Readonly` emitter

`Private` getPixel

`Optional` transform: Matrix4x4

`Protected` buildGeometry

`Optional` result: number[][]

`Optional` result: Vector3[]

`Optional` shortestCollisionDistance: number

`Optional` cullFace: CullFace

Returns {
index: number;
localNormal: Vector3;
localPosition: Vector3;
rayEntryDistance: number;
uv: Vector2;
}

`Static` create

`Optional` params: gPartial<GeometryMap[K]>

`Static` getDefault

`Static` setDefault