mxcad API 文档 / McGeVector3d

Class: McGeVector3d ​

表示三维向量的对象。

Table of contents ​

Constructors ​

• constructor

Properties ​

• imp
• kNegateZAxis
• kXAxis
• kYAxis
• kZAxis

Accessors ​

• x
• y
• z

Methods ​

• angleTo1
• angleTo2
• c
• clone
• copy
• crossProduct
• dotProduct
• isEqualTo
• isUnitLength
• isZeroLength
• length
• mult
• negate
• normalize
• perpVector
• rotateBy
• toVector3

Constructors ​

constructor ​

• new McGeVector3d(dX?, dY?, dZ?)

构造函数。

Parameters ​

Properties ​

imp ​

• imp: any

kNegateZAxis ​

▪ Static kNegateZAxis: McGeVector3d

取反z轴

kXAxis ​

▪ Static kXAxis: McGeVector3d

X轴

kYAxis ​

▪ Static kYAxis: McGeVector3d

Y轴

kZAxis ​

▪ Static kZAxis: McGeVector3d

Z轴

Accessors ​

x ​

• get x(): number

X 坐标。

Returns ​

number

• set x(val): void

Parameters ​

Returns ​

void

y ​

• get y(): number

Y 坐标。

Returns ​

number

• set y(val): void

Parameters ​

Returns ​

void

z ​

• get z(): number

Z 坐标。

Returns ​

number

• set z(val): void

Parameters ​

Returns ​

void

Methods ​

angleTo1 ​

▸ angleTo1(vec): number

计算角度

Parameters ​

Returns ​

number

angleTo2 ​

▸ angleTo2(vec, refVec?): number

计算角度

Parameters ​

Returns ​

number

c ​

▸ c(): McGeVector3d

Returns ​

McGeVector3d

clone ​

▸ clone(): McGeVector3d

刻隆一个对对象

Returns ​

McGeVector3d

copy ​

▸ copy(val): McGeVector3d

复制对象的值

Parameters ​

Returns ​

McGeVector3d

crossProduct ​

▸ crossProduct(vec): McGeVector3d

交叉积

Parameters ​

Returns ​

McGeVector3d

dotProduct ​

▸ dotProduct(vec): number

点积

Parameters ​

Returns ​

number

isEqualTo ​

▸ isEqualTo(vec): boolean

判断比较向量是否相等

Parameters ​

Returns ​

boolean

isUnitLength ​

▸ isUnitLength(): boolean

是否为单位向量

Returns ​

boolean

isZeroLength ​

▸ isZeroLength(): boolean

是否为零向量

Returns ​

boolean

length ​

▸ length(): number

向量长度

Returns ​

number

mult ​

▸ mult(val): McGeVector3d

向量与某个值相乘

Parameters ​

Returns ​

McGeVector3d

negate ​

▸ negate(): McGeVector3d

向量取反

Returns ​

McGeVector3d

normalize ​

▸ normalize(): McGeVector3d

归一化操作

Returns ​

McGeVector3d

perpVector ​

▸ perpVector(): McGeVector3d

垂直的向量

Returns ​

McGeVector3d

rotateBy ​

▸ rotateBy(ang, axis?): McGeVector3d

旋转

Parameters ​

Returns ​

McGeVector3d

toVector3 ​

▸ toVector3(): Vector3

转换为THREE.Vector3

Returns ​

Vector3