Class Sphere

球

Hierarchy

Sphere

Index

Constructors

Properties

Methods

applyMatrix4 clampPoint clone containsPoint copy distanceToPoint equals fromPoints fromPositions getBoundingBox intersectsBox intersectsPlane intersectsSphere isEmpty rayIntersection toString translate

Constructors

constructor

new Sphere(center?: Vector3, radius?: number): Sphere
Create a Sphere with ABCD coefficients
Parameters
- center: Vector3 = ...
- radius: number = 0
Returns Sphere
- Defined in src/math/geom/Sphere.ts:24

Properties

center

center: Vector3

球心

radius

radius: number

半径

Methods

applyMatrix4

applyMatrix4(matrix: Matrix4x4): Sphere
应用矩阵
Parameters
- matrix: Matrix4x4
  
  矩阵
Returns Sphere
- Defined in src/math/geom/Sphere.ts:224

clampPoint

clampPoint(point: Vector3, pout?: Vector3): Vector3
Parameters
- point: Vector3
  
  点
- pout: Vector3 = ...
  
  输出点
Returns Vector3
- Defined in src/math/geom/Sphere.ts:196

clone

clone(): Sphere
克隆

Returns Sphere
- Defined in src/math/geom/Sphere.ts:141

containsPoint

containsPoint(position: Vector3): boolean
是否包含指定点
Parameters
- position: Vector3
  
  点
Returns boolean
- Defined in src/math/geom/Sphere.ts:79

copy

copy(sphere: Sphere): Sphere
拷贝
Parameters
- sphere: Sphere
Returns Sphere
- Defined in src/math/geom/Sphere.ts:130

distanceToPoint

distanceToPoint(point: Vector3): number
点到球的距离
Parameters
- point: Vector3
  
  点
Returns number
- Defined in src/math/geom/Sphere.ts:158

equals

equals(sphere: Sphere): boolean
是否相等
Parameters
- sphere: Sphere
  
  球
Returns boolean
- Defined in src/math/geom/Sphere.ts:247

fromPoints

fromPoints(points: Vector3[]): Sphere
从一组点初始化球
Parameters
- points: Vector3[]
  
  点列表
Returns Sphere
- Defined in src/math/geom/Sphere.ts:88

fromPositions

fromPositions(positions: number[]): Sphere
从一组顶点初始化球
Parameters
- positions: number[]
  
  坐标数据列表
Returns Sphere
- Defined in src/math/geom/Sphere.ts:109

getBoundingBox

getBoundingBox(box?: Box3): Box3
获取包围盒
Parameters
- box: Box3 = ...
Returns Box3
- Defined in src/math/geom/Sphere.ts:213

intersectsBox

intersectsBox(box: Box3): boolean
是否与盒子相交
Parameters
- box: Box3
  
  盒子
Returns boolean
- Defined in src/math/geom/Sphere.ts:177

intersectsPlane

intersectsPlane(plane: Plane): boolean
是否与平面相交
Parameters
- plane: Plane
  
  平面
Returns boolean
- Defined in src/math/geom/Sphere.ts:186

intersectsSphere

intersectsSphere(sphere: Sphere): boolean
与指定球是否相交
Parameters
- sphere: Sphere
Returns boolean
- Defined in src/math/geom/Sphere.ts:166

isEmpty

isEmpty(): boolean
是否为空

Returns boolean
- Defined in src/math/geom/Sphere.ts:149

rayIntersection

rayIntersection(position: Vector3, direction: Vector3, targetNormal: Vector3): number
与射线相交

Returns
射线起点到交点的距离
Parameters
- position: Vector3
  
  射线起点
- direction: Vector3
  
  射线方向
- targetNormal: Vector3
  
  目标法线
Returns number
- Defined in src/math/geom/Sphere.ts:37

toString

toString(): string
Returns string
- Defined in src/math/geom/Sphere.ts:252

translate

translate(offset: Vector3): Sphere
平移
Parameters
- offset: Vector3
  
  偏移量
Returns Sphere
- Defined in src/math/geom/Sphere.ts:236

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