Class Ray

Hierarchy

Ray

Index

Constructors

constructor

Properties

Methods

Constructors

constructor

new Ray(start?: Vector3, direction?: Vector3): Ray

- Defined in glb/dist/math/Ray.d.ts:22
Parameters
- Optional start: Vector3
- Optional direction: Vector3
Returns Ray

Properties

Readonly Private direction

direction: Vector3

射线方向

memberof: Ray

distanceToBBox

distanceToBBox: ((box: BBox) => number)

Type declaration

- (box: BBox): number
- 射线到某包围盒的距离
  
  Parameters
  - box: BBox
    
    包围盒
  Returns number
  距离，为-1时表示不相交

Readonly Private start

start: Vector3

射线起始点

memberof: Ray

Methods

SquaredDistanceToPoint

SquaredDistanceToPoint(point: Vector3): number

- Defined in glb/dist/math/Ray.d.ts:77
距离某点最近的平方距离

Parameters
- point: Vector3
  
  某点
Returns number

clone

clone(): Ray

- Defined in glb/dist/math/Ray.d.ts:40
克隆

Returns Ray

copy

copy(ray: Ray): Ray

- Defined in glb/dist/math/Ray.d.ts:35
拷贝

Parameters
- ray: Ray
  
  被拷贝Ray
Returns Ray

distanceToPlane

distanceToPlane(plane: Plane): number

- Defined in glb/dist/math/Ray.d.ts:89
射线到某平面的距离

Parameters
- plane: Plane
  
  某平面
Returns number
距离，为-1时表示不相交

distanceToPoint

distanceToPoint(point: Vector3): number

- Defined in glb/dist/math/Ray.d.ts:83
距离某点最近的的距离

Parameters
- point: Vector3
  
  某点
Returns number

getClosestPointToPoint

getClosestPointToPoint(point: Vector3): Vector3

- Defined in glb/dist/math/Ray.d.ts:71
返回距离射线上距离某点最近的点

Parameters
- point: Vector3
  
  某点
Returns Vector3

getPointAt

getPointAt(distanceToStart: number, out?: Vector3): Vector3

- Defined in glb/dist/math/Ray.d.ts:65
获取射线中指定距离的某点

Parameters
- distanceToStart: number
  
  到起点距离
- Optional out: Vector3
  
  返回值，若存在则直接将结果储存
Returns Vector3

isEqual

isEqual(target: Ray): boolean

- Defined in glb/dist/math/Ray.d.ts:46
Parameters
- target: Ray
Returns boolean

lookAt

lookAt(target: Vector3): Ray

- Defined in glb/dist/math/Ray.d.ts:58
根据目标修改射线方向

Parameters
- target: Vector3
  
  目标
Returns Ray

mulMat4

mulMat4(matrix4: Matrix4): Ray

- Defined in glb/dist/math/Ray.d.ts:52
左乘4x4 Matrix

Parameters
- matrix4: Matrix4
  
  变换矩阵
Returns Ray

set

set(start: Vector3, direction: Vector3): Ray

- Defined in glb/dist/math/Ray.d.ts:29
设值

Parameters
- start: Vector3
  
  起始点
- direction: Vector3
  
  方向
Returns Ray

Generated using TypeDoc