Class: Plane3D
Language
zh_CN
Classdesc
Plane3D 类 3D空间中的平面表示数据 由a,b,c,d4个分量组成 在三维空间中定义了一个平面 Ax + By + Cz + D = 0
Include Example
geom/Plane3D.ts
Version
Platform
Web,Native
Constructors
Properties
Methods
Constructors
constructor
• new Plane3D(a?, b?, c?, d?): Plane3D
Parameters
| Name | Type | Default value |
|---|---|---|
a | number | 0 |
b | number | 0 |
c | number | 0 |
d | number | 0 |
Returns
Language
zh_CN 创建一个平面实例
Platform
Web,Native
Defined in
Properties
a
• a: number
Language
zh_CN 平面中的a分量
Platform
Web,Native
Defined in
b
• b: number
Language
zh_CN 平面中的b分量
Platform
Web,Native
Defined in
c
• c: number
Language
zh_CN 平面中的c分量
Platform
Web,Native
Defined in
d
• d: number
Language
zh_CN 平面中的d分量
Platform
Web,Native
Defined in
Methods
setTo
▸ setTo(a?, b?, c?, d?): void
Parameters
| Name | Type | Default value |
|---|---|---|
a | number | 0 |
b | number | 0 |
c | number | 0 |
d | number | 0 |
Returns
void
Language
zh_CN 填充平面的各分量的值
Platform
Web,Native
Defined in
fromPoints
▸ fromPoints(p0, p1, p2): void
Parameters
| Name | Type | Description |
|---|---|---|
p0 | Vector3 | Vector3 |
p1 | Vector3 | Vector3 |
p2 | Vector3 | Vector3 |
Returns
void
Language
zh_CN 由3个坐标来创建一个3d平面
Platform
Web,Native
Defined in
fromNormalAndPoint
▸ fromNormalAndPoint(normal, point): void
Parameters
| Name | Type | Description |
|---|---|---|
normal | Vector3 | Vector3 |
point | Vector3 | Vector3 |
Returns
void
Language
zh_CN 由一条normal向量和一个坐标创建一个3d平面
Platform
Web,Native
Defined in
normalize
▸ normalize(): number
Returns
number
number 返回平面长度
Language
zh_CN 单位化3d平面
Platform
Web,Native
Defined in
distance
▸ distance(p): number
Parameters
| Name | Type | Description |
|---|---|---|
p | Vector3 | Vector3 |
Returns
number
number 返回计算后的距离
Language
zh_CN 计算3d平面到点p的距离
Platform
Web,Native
Defined in
classifyPoint
▸ classifyPoint(p, epsilon?): number
Parameters
| Name | Type | Default value | Description |
|---|---|---|---|
p | Vector3 | undefined | Vector3 |
epsilon | number | 0.01 | 相对偏移值 |
Returns
number
number int Plane3.FRONT or Plane3D.BACK or Plane3D.INTERSECT
Language
zh_CN 计算3d平面和点p的空间关系
Platform
Web,Native
Defined in
toString
▸ toString(): string
Returns
string
string
Language
zh_CN 当前Plane3D以字符串形式返回
Platform
Web,Native