[mxcad_2d API documentation] (../README. md)/[2d] (../modules/2d. md)/McGePoint3d

Class: McGePoint3d ​

2d.McGePoint3d

An object that represents a three-dimensional point.

Table of contents ​

Constructors ​

• constructor

Properties ​

• imp
• kOrigin

Accessors ​

• x
• y
• z

Methods ​

• addvec
• av
• c
• clone
• copy
• distanceTo
• isEqualTo
• setFromVector3
• sub
• subvec
• sv
• toVector3
• transformBy

Constructors ​

constructor ​

• new McGePoint3d(dX?, dY?, dZ?)

Constructor.

Parameters ​

Example

import { McGePoint3d } from 'mxcad'

const point = new McGePoint3d(20,10,0);

Properties ​

imp ​

• imp: any

Internal implementation object

kOrigin ​

▪ Static kOrigin: McGePoint3d

Origin of coordinate system

Example

const origin = McGePoint3d.kOrigin;

Accessors ​

x ​

• get x(): number

Get or set the X coordinate.

Returns ​

number

Example

import { McGePoint3d } from "mxcad'

const point = new McGePoint3d();
point.x = 10;
Console. log (point. x)//Output 10

• set x(val): void

Parameters ​

Returns ​

void

y ​

• get y(): number

Get or set the Y coordinate.

Returns ​

number

Example

import { McGePoint3d } from "mxcad'

const point = new McGePoint3d();
point.y = 10;
Console. log (point. y)//Output 10

• set y(val): void

Parameters ​

Returns ​

void

z ​

• get z(): number

Get or set the Z coordinate.

Returns ​

number

Example

import { McGePoint3d } from "mxcad'

const point = new McGePoint3d();
point.z = 10;
Console. log (point. z)//Output 10

• set z(val): void

Parameters ​

Returns ​

void

Methods ​

addvec ​

▸ addvec(vec): McGePoint3d

Calculate the new position of the point after adding the vector

Parameters ​

Returns ​

McGePoint3d

Calculated point object

Example

import { McGePoint3d, McGeVector3d } from "mxcad";

const pt1 = new McGePoint3d(20,10,0);
const pt = pt1.clone().addvec(new McGeVector3d(10,10,0))

av ​

▸ av(vec): McGePoint3d

Calculate the new position of the point after adding the vector

Parameters ​

Returns ​

McGePoint3d

Calculated point object

c ​

▸ c(): McGePoint3d

Kerong, a point object

Returns ​

McGePoint3d

3D point object

clone ​

▸ clone(): McGePoint3d

Kerong, a point object

Returns ​

McGePoint3d

3D point object

Example

import { McGePoint3d } from "mxcad"

const pt1 = new McGePoint3d(10,10,0);
const pt2 = pt1.clone();

copy ​

▸ copy(val): McGePoint3d

Copy the value of a point object

Parameters ​

Returns ​

McGePoint3d

Copy the point object

Example

import { McGePoint3d } from "mxcad"

const point1 = new McGePoint3d(20,10,0);
const point2 = new McGePoint3d();
point2.copy(point1);

distanceTo ​

▸ distanceTo(pnt): number

Calculate the distance between two points

Parameters ​

Returns ​

number

Distance between two points

Example

import { McGePoint3d } from "mxcad";

const pt1 = new McGePoint3d(20,10,0);
const pt2 = new McGePoint3d(50,20,0);
const dist = pt1.distanceTo(pt2);

isEqualTo ​

▸ isEqualTo(pnt): boolean

Determine whether two points are equal

Parameters ​

Returns ​

boolean

Boolean value

Example

import { McGePoint3d } from "mxcad"

const pt1 = new McGePoint3d(10,20,0);
const pt2 = new McGePoint3d(10,10,0);
const res = pt1.isEqualTo(pt2);
Console. log (res)//Output false

setFromVector3 ​

▸ setFromVector3(val): McGePoint3d

Set the vector of Three.js to points

Parameters ​

Returns ​

McGePoint3d

Example

import { McGePoint3d } from "mxcad";
import THREE from "three";

const pt_vec = new THREE.Vector3(20,50,0);
const pt = pt_vec.setFromVector3();

sub ​

▸ sub(pt): McGeVector3d

Return a new vector obtained by subtracting two points

Parameters ​

Returns ​

McGeVector3d

3D point vector

Example

import { McGePoint3d } from "mxcad";

const pt1 = new McGePoint3d(20,10,0);
const pt2 = new McGePoint3d(50,20,0);
const vec = pt1.sub(pt2);

subvec ​

▸ subvec(vec): McGePoint3d

Calculate the new position of the point after subtracting the vector

Parameters ​

Returns ​

McGePoint3d

Calculated point object

Example

import { McGePoint3d, McGeVector3d } from "mxcad";

const pt1 = new McGePoint3d(20,10,0);
const pt = pt1.clone().subvec(new McGeVector3d(10,10,0));

sv ​

▸ sv(vec): McGePoint3d

Calculate the new position of the point after subtracting the vector

Parameters ​

Returns ​

McGePoint3d

Calculated point object

toVector3 ​

▸ toVector3(): Vector3

Convert the coordinate information of the current object to THREE Instances of Vector3 class

Returns ​

Vector3

THREE. Vector3 instance object

Example

import { McGePoint3d } from "mxcad";
const pt = new McGePoint3d(20,10,0);
const pt_vec = pt.toVector3();

transformBy ​

▸ transformBy(leftSide): McGePoint3d

Transform the point using a matrix

Parameters ​

Returns ​

McGePoint3d

The transformed point object

Example

import { McGePoint3d, McGeVector3d, McGeMatrix3d } from "mxcad"

const point = new McGePoint3d(20,10,0);
  let matrix = new McGeMatrix3d();
matrix.setToTranslation(new McGeVector3d(10,10,0));// translation
  point.transformBy(matrix);