Class Box3

轴向对称包围盒

Hierarchy

Box3

Constructors

constructor

new Box3(min?: Vector3, max?: Vector3): Box3
创建包围盒
Parameters
- min: Vector3 = ...
  
  最小点
- max: Vector3 = ...
  
  最大点
Returns Box3
- Defined in src/math/geom/Box3.ts:43

Properties

max

最大点

min

最小点

Methods

applyMatrix

applyMatrix(mat: Matrix4x4): Box3
应用矩阵

Todo
优化

See
3D数学基础：图形与游戏开发 P288 AABB::setToTransformedBox
Parameters
- mat: Matrix4x4
  
  矩阵
Returns Box3
- Defined in src/math/geom/Box3.ts:197

applyMatrixTo

applyMatrixTo(mat: Matrix4x4, out?: Box3): Box3
应用矩阵
Parameters
- mat: Matrix4x4
  
  矩阵
- out: Box3 = ...
Returns Box3
- Defined in src/math/geom/Box3.ts:211

clampPoint

clampPoint(point: Vector3, out?: Vector3): Vector3
夹紧？
Parameters
- point: Vector3
  
  点
- out: Vector3 = ...
  
  输出点
Returns Vector3
- Defined in src/math/geom/Box3.ts:594

clone

clone(): Box3
Returns Box3
- Defined in src/math/geom/Box3.ts:219

closestPointToPoint

closestPointToPoint(point: Vector3, target?: Vector3): Vector3
获取包围盒上距离指定点最近的点
Parameters
- point: Vector3
  
  指定点
- target: Vector3 = ...
  
  存储最近的点
Returns Vector3
- Defined in src/math/geom/Box3.ts:510

contains

contains(aabb: Box3): boolean
是否包含包围盒
Parameters
- aabb: Box3
  
  包围盒
Returns boolean
- Defined in src/math/geom/Box3.ts:237

containsPoint

containsPoint(p: Vector3): boolean
是否包含指定点
Parameters
- p: Vector3
  
  点
Returns boolean
- Defined in src/math/geom/Box3.ts:228

copy

copy(aabb: Box3): Box3
拷贝
Parameters
- aabb: Box3
  
  包围盒
Returns Box3
- Defined in src/math/geom/Box3.ts:246

empty

empty(): Box3
清空包围盒

Returns Box3
- Defined in src/math/geom/Box3.ts:518

equals

equals(aabb: Box3): boolean
比较包围盒是否相等
Parameters
- aabb: Box3
  
  包围盒
Returns boolean
- Defined in src/math/geom/Box3.ts:258

expandByPoint

expandByPoint(point: Vector3): Box3
使用点扩张包围盒
Parameters
- point: Vector3
  
  点
Returns Box3
- Defined in src/math/geom/Box3.ts:182

formPositions

formPositions(positions: ArrayLike<number>): Box3
从一组顶点初始化包围盒
Parameters
- positions: ArrayLike<number>
  
  坐标数据列表
Returns Box3
- Defined in src/math/geom/Box3.ts:113

fromPoints

fromPoints(ps: Vector3[]): Box3
从一组点初始化包围盒
Parameters
- ps: Vector3[]
  
  点列表
Returns Box3
- Defined in src/math/geom/Box3.ts:148

getCenter

getCenter(vOut?: Vector3): Vector3
获取中心点
Parameters
- vOut: Vector3 = ...
  
  输出向量
Returns Vector3
- Defined in src/math/geom/Box3.ts:25

getSize

getSize(vOut?: Vector3): Vector3
尺寸
Parameters
- vOut: Vector3 = ...
Returns Vector3
- Defined in src/math/geom/Box3.ts:33

inflate

inflate(dx: number, dy: number, dz: number): void
膨胀包围盒
Parameters
- dx: number
  
  x方向膨胀量
- dy: number
  
  y方向膨胀量
- dz: number
  
  z方向膨胀量
Returns void
- Defined in src/math/geom/Box3.ts:282

inflatePoint

inflatePoint(delta: Vector3): void
膨胀包围盒
Parameters
- delta: Vector3
  
  膨胀量
Returns void
- Defined in src/math/geom/Box3.ts:296

init

init(min: Vector3, max: Vector3): Box3
初始化包围盒
Parameters
- min: Vector3
  
  最小值
- max: Vector3
  
  最大值
Returns Box3
- Defined in src/math/geom/Box3.ts:54

intersection

intersection(aabb: Box3): Box3
与包围盒相交
Parameters
- aabb: Box3
  
  包围盒
Returns Box3
- Defined in src/math/geom/Box3.ts:307

intersectionTo

intersectionTo(aabb: Box3, out?: Box3): Box3
与包围盒相交
Parameters
- aabb: Box3
  
  包围盒
- out: Box3 = ...
Returns Box3
- Defined in src/math/geom/Box3.ts:327

intersects

intersects(aabb: Box3): boolean
包围盒是否相交
Parameters
- aabb: Box3
  
  包围盒
Returns boolean
- Defined in src/math/geom/Box3.ts:336

intersectsPlane

intersectsPlane(plane: Plane): boolean
是否与平面相交
Parameters
- plane: Plane
  
  平面
Returns boolean
- Defined in src/math/geom/Box3.ts:603

intersectsSphere

intersectsSphere(sphere: Sphere): boolean
是否与球相交
Parameters
- sphere: Sphere
  
  球
Returns boolean
- Defined in src/math/geom/Box3.ts:579

intersectsTriangle

intersectsTriangle(triangle: Triangle3): boolean
是否与三角形相交
Parameters
- triangle: Triangle3
  
  三角形
Returns boolean
- Defined in src/math/geom/Box3.ts:623

isEmpty

isEmpty(): boolean
是否为空当体积为0时为空

Returns boolean
- Defined in src/math/geom/Box3.ts:530

offset

offset(dx: number, dy: number, dz: number): Box3
偏移
Parameters
- dx: number
  
  x轴偏移
- dy: number
  
  y轴偏移
- dz: number
  
  z轴偏移
Returns Box3
- Defined in src/math/geom/Box3.ts:541

offsetPosition

offsetPosition(position: Vector3): Box3
偏移
Parameters
- position: Vector3
  
  偏移量
Returns Box3
- Defined in src/math/geom/Box3.ts:550

overlaps

overlaps(box3: Box3): boolean
是否与指定长方体相交
Parameters
- box3: Box3
  
  长方体
Returns boolean
- Defined in src/math/geom/Box3.ts:674

random

random(): Box3
随机包围盒

Returns Box3
- Defined in src/math/geom/Box3.ts:162

randomPoint

randomPoint(pout?: Vector3): Vector3
包围盒内随机点
Parameters
- pout: Vector3 = ...
Returns Vector3
- Defined in src/math/geom/Box3.ts:173

rayIntersection

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

Returns
起点到包围盒距离

Todo
可用以下方法优化？

See
3D数学基础：图形与游戏开发 P290
Parameters
- position: Vector3
  
  射线起点
- direction: Vector3
  
  射线方向
- Optional outTargetNormal: Vector3
  
  相交处法线
Returns number
- Defined in src/math/geom/Box3.ts:354

scale

scale(s: Vector3): Box3
缩放包围盒
Parameters
- s: Vector3
  
  缩放系数
Returns Box3
- Defined in src/math/geom/Box3.ts:67

toPoints

toPoints(points?: Vector3[]): Vector3[]
转换为包围盒八个角所在点列表
Parameters
- Optional points: Vector3[]
Returns Vector3[]
- Defined in src/math/geom/Box3.ts:78

toString

toString(): string
Returns string
- Defined in src/math/geom/Box3.ts:558

toTriangles

toTriangles(triangles?: Triangle3[]): Triangle3[]
转换为三角形列表
Parameters
- triangles: Triangle3[] = []
Returns Triangle3[]
- Defined in src/math/geom/Box3.ts:696

translate

translate(offset: Vector3): Box3
平移
Parameters
- offset: Vector3
  
  偏移量
Returns Box3
- Defined in src/math/geom/Box3.ts:268

union

union(aabb: Box3): Box3
联合包围盒
Parameters
- aabb: Box3
  
  包围盒
Returns Box3
- Defined in src/math/geom/Box3.ts:567

Generated using TypeDoc