Class BBox

Hierarchy

BBox

Index

Constructors

constructor

Properties

Accessors

isBBox

Methods

Constructors

constructor

new BBox(min?: Vector3, max?: Vector3): BBox

- Defined in glb/dist/math/BBox.d.ts:14
新建BBox实例

Parameters
- Optional min: Vector3
  
  默认(+Infinity, +Infinity, +Infinity)
- Optional max: Vector3
  
  默认(-Infinity, -Infinity, -Infinity)
Returns BBox

Properties

max

min

Static Private _tempVec30

_tempVec30: any

Static Private _tempVec31

_tempVec31: any

Accessors

isBBox

get isBBox(): boolean

- Defined in glb/dist/math/BBox.d.ts:15
Returns boolean

Methods

applyMatrix

applyMatrix(mat4: Matrix4): BBox

- Defined in glb/dist/math/BBox.d.ts:89
应用4x4矩阵到BBox上

Parameters
- mat4: Matrix4
Returns BBox

clone

clone(): BBox

- Defined in glb/dist/math/BBox.d.ts:39
克隆

Returns BBox

copy

copy(target: BBox): BBox

- Defined in glb/dist/math/BBox.d.ts:44
复制

Parameters
- target: BBox
  
  复制目标
Returns BBox

getCenter

getCenter(out: Vector3): Vector3

- Defined in glb/dist/math/BBox.d.ts:59
获取BBox的中心点

Parameters
- out: Vector3
  
  保存中心点信息的Vector3
Returns Vector3
out

getExtent

getExtent(out: Vector3): Vector3

- Defined in glb/dist/math/BBox.d.ts:65
获取BBox的半尺寸（size / 2）

Parameters
- out: Vector3
  
  保存半尺寸信息的Vector3
Returns Vector3
out

getSize

getSize(out: Vector3): Vector3

- Defined in glb/dist/math/BBox.d.ts:71
获取BBox的尺寸

Parameters
- out: Vector3
  
  保存尺寸信息的Vector3
Returns Vector3
out

intersects

intersects(b: BBox): boolean

- Defined in glb/dist/math/BBox.d.ts:77
判断两BBox是否相交

Parameters
- b: BBox
  
  另一个BBox
Returns boolean
相交返回true，否则返回false

intersectsFrustum

intersectsFrustum(f: Frustum): boolean

- Defined in glb/dist/math/BBox.d.ts:83
判断BBox是否与某视锥体相交

Parameters
- f: Frustum
  
  视锥体
Returns boolean
是否相交

isEmpty

isEmpty(): boolean

- Defined in glb/dist/math/BBox.d.ts:53
判空

Returns boolean
若BBox为空则返回true，否则为false

isEqual

isEqual(b: BBox): boolean

- Defined in glb/dist/math/BBox.d.ts:48
判等

Parameters
- b: BBox
Returns boolean

set

set(min: Vector3, max: Vector3): BBox

- Defined in glb/dist/math/BBox.d.ts:21
赋值

Parameters
- min: Vector3
  
  AABB最小点
- max: Vector3
  
  AABB最大点
Returns BBox

setFromCenter

setFromCenter(center: Vector3, size: Vector3): BBox

- Defined in glb/dist/math/BBox.d.ts:28
根据指定的中心点和尺寸赋值

Parameters
- center: Vector3
  
  AABB的中心点
- size: Vector3
  
  AABB的尺寸信息
Returns BBox

setFromPoints

setFromPoints(points: number[] | Float32Array | Int8Array | Uint8Array | Int16Array | Uint16Array | Int32Array | Uint32Array): void

- Defined in glb/dist/math/BBox.d.ts:35
从一群点集中生成BBox

memberof
BBox

Parameters
- points: number[] | Float32Array | Int8Array | Uint8Array | Int16Array | Uint16Array | Int32Array | Uint32Array
  
  点的坐标数组
Returns void

transform

transform(matrix: Matrix4): BBox

- Defined in glb/dist/math/BBox.d.ts:90
Parameters
- matrix: Matrix4
Returns BBox

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