[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.

Example

import { McGePoint3d } from 'mxcad'

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

Parameters

Name	Type	Description
dX?	Number \	object
dY?	Number	Y coordinate
dZ?	Number	Z coordinate

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.

Example

import { McGePoint3d } from "mxcad'

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

Returns

number

• set x(val): void

Parameters

Name	Type
val	number

Returns

void

---

y

• get y(): number

Get or set the Y coordinate.

Example

import { McGePoint3d } from "mxcad'

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

Returns

number

• set y(val): void

Parameters

Name	Type
val	number

Returns

void

---

z

• get z(): number

Get or set the Z coordinate.

Example

import { McGePoint3d } from "mxcad'

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

Returns

number

• set z(val): void

Parameters

Name	Type
val	number

Returns

void

Methods

addvec

▸ addvec(vec): McGePoint3d

Calculate the new position of the point after adding the vector

Example

import { McGePoint3d, McGeVector3d } from "mxcad";

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

Parameters

Name	Type	Description
Vec	[McGeVector3d] (2d. McGeVector3d. md)	Vector

Returns

McGePoint3d

Calculated point object

---

av

▸ av(vec): McGePoint3d

Calculate the new position of the point after adding the vector

Parameters

Name	Type	Description
Vec	[McGeVector3d] (2d. McGeVector3d. md)	Vector

Returns

McGePoint3d

Calculated point object

---

c

▸ c(): McGePoint3d

Kerong, a point object

Returns

McGePoint3d

3D point object

---

clone

▸ clone(): McGePoint3d

Kerong, a point object

Example

import { McGePoint3d } from "mxcad"

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

Returns

McGePoint3d

3D point object

---

copy

▸ copy(val): McGePoint3d

Copy the value of a point object

Example

import { McGePoint3d } from "mxcad"

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

Parameters

Name	Type	Description
Val	[McGePoint3d] (2d. McGePoint3d. md)	Point Object

Returns

McGePoint3d

Copy the point object

---

distanceTo

▸ distanceTo(pnt): number

Calculate the 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);

Parameters

Name	Type	Description
Pnt	McGePoint3d (2d. McGePoint3d. md)	3D point object

Returns

number

Distance between two points

---

isEqualTo

▸ isEqualTo(pnt): boolean

Determine whether two points are equal

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

Parameters

Name	Type	Description
Pnt	McGePoint3d (2d. McGePoint3d. md)	3D point object

Returns

boolean

Boolean value

---

setFromVector3

▸ setFromVector3(val): McGePoint3d

Set the vector of Three.js to points

Example

import { McGePoint3d } from "mxcad";

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

Parameters

Name	Type
val	Vector3

Returns

McGePoint3d

---

sub

▸ sub(pt): McGeVector3d

Return a new vector obtained by subtracting two points

Example

import { McGePoint3d } from "mxcad";

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

Parameters

Name	Type	Description
Pt	McGePoint3d (2d. McGePoint3d. md)	3D point object

Returns

McGeVector3d

3D point vector

---

subvec

▸ subvec(vec): McGePoint3d

Calculate the new position of the point after subtracting the vector

Example

import { McGePoint3d, McGeVector3d } from "mxcad";

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

Parameters

Name	Type	Description
Vec	[McGeVector3d] (2d. McGeVector3d. md)	Vector

Returns

McGePoint3d

Calculated point object

---

sv

▸ sv(vec): McGePoint3d

Calculate the new position of the point after subtracting the vector

Parameters

Name	Type	Description
Vec	[McGeVector3d] (2d. McGeVector3d. md)	Vector

Returns

McGePoint3d

Calculated point object

---

toVector3

▸ toVector3(): Vector3

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

Example

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

Returns

Vector3

THREE. Vector3 instance object

---

transformBy

▸ transformBy(leftSide): McGePoint3d

Transform the point using a matrix

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);

Parameters

Name	Type	Description
LeftSide	McGeMatrix3d (2d. McGeMatrix3d. md)	Transformation Matrix

Returns

McGePoint3d

The transformed point object