Class Frustum

截头锥体

Frustums are used to determine what is inside the camera's field of view. They help speed up the rendering process.

Frustums用于确定摄像机的视场范围。它们有助于加速渲染过程。

Author

mrdoob / http://mrdoob.com/

Author

alteredq / http://alteredqualia.com/

Author

bhouston / http://clara.io

Hierarchy

Frustum

Index

Constructors

Properties

Methods

clone containsPoint copy fromMatrix intersectsBox intersectsSphere set

Constructors

constructor

new Frustum(p0?: Plane, p1?: Plane, p2?: Plane, p3?: Plane, p4?: Plane, p5?: Plane): Frustum
初始化截头锥体
Parameters
- p0: Plane = ...
- p1: Plane = ...
- p2: Plane = ...
- p3: Plane = ...
- p4: Plane = ...
- p5: Plane = ...
Returns Frustum
- Defined in src/math/geom/Frustum.ts:33

Properties

planes

planes: Plane[]

Methods

clone

clone(): Frustum
Returns Frustum
- Defined in src/math/geom/Frustum.ts:54

containsPoint

containsPoint(point: Vector3, precision?: number): boolean
与点是否相交
Parameters
- point: Vector3
- precision: number = mathUtil.PRECISION
Returns boolean
- Defined in src/math/geom/Frustum.ts:159

copy

copy(frustum: Frustum): Frustum
Parameters
- frustum: Frustum
Returns Frustum
- Defined in src/math/geom/Frustum.ts:59

fromMatrix

fromMatrix(matrix4x4: Matrix4x4): Frustum
从矩阵初始化
Parameters
- matrix4x4: Matrix4x4
  
  矩阵
Returns Frustum
- Defined in src/math/geom/Frustum.ts:76

intersectsBox

intersectsBox(box: Box3): boolean
是否与长方体相交
Parameters
- box: Box3
  
  长方体
Returns boolean
- Defined in src/math/geom/Frustum.ts:128

intersectsSphere

intersectsSphere(sphere: Sphere): boolean
是否与球体相交
Parameters
- sphere: Sphere
  
  球体
Returns boolean
- Defined in src/math/geom/Frustum.ts:104

set

set(p0: Plane, p1: Plane, p2: Plane, p3: Plane, p4: Plane, p5: Plane): Frustum
Parameters
- p0: Plane
- p1: Plane
- p2: Plane
- p3: Plane
- p4: Plane
- p5: Plane
Returns Frustum
- Defined in src/math/geom/Frustum.ts:40

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