Documentation / base / Matrix3x3

Class: Matrix3x3

Defined in: libs/base/src/math/vector.ts:2720

3x3 Matrix

Remarks

The matrix is column-major: | m00, m10, m20 | | m01, m11, m21 | | m02, m12, m22 |

Extends

• VectorBase

Indexable

[index: number]: number

Constructors

Constructor

new Matrix3x3(m00, m10, m20, m01, m11, m21, m02, m12, m22): Matrix3x3

Defined in: libs/base/src/math/vector.ts:2733

Creates a Matrix3x3 initialized with values.

Parameters

m00

number

element at row 0, column 0

m10

number

element at row 0, column 1

m20

number

element at row 0, column 2

m01

number

element at row 1, column 0

m11

number

element at row 1, column 1

m21

number

element at row 1, column 2

m02

number

element at row 2, column 0

m12

number

element at row 2, column 1

m22

number

element at row 2, column 2

Returns

Matrix3x3

Overrides

VectorBase.constructor

Constructor

new Matrix3x3(elements): Matrix3x3

Defined in: libs/base/src/math/vector.ts:2748

Creates a Matrix3x3 initialized with values in an array.

Parameters

elements

number[]

Array that contains the values.

Returns

Matrix3x3

Overrides

VectorBase.constructor

Constructor

new Matrix3x3(array): Matrix3x3

Defined in: libs/base/src/math/vector.ts:2753

Cerates a Matrix3x3 initialized with values in a Float32Array.

Parameters

array

Float32Array

Float32Array object that contains the values.

Returns

Matrix3x3

Overrides

VectorBase.constructor

Constructor

new Matrix3x3(buffer, offset): Matrix3x3

Defined in: libs/base/src/math/vector.ts:2759

Creates a new Matrix3x3 placed on a given ArrayBuffer object.

Parameters

buffer

ArrayBuffer

The array buffer object.

offset

number

The byte offset of the buffer where the matrix placed at.

Returns

Matrix3x3

Overrides

VectorBase.constructor

Constructor

new Matrix3x3(): Matrix3x3

Defined in: libs/base/src/math/vector.ts:2763

Creates a new identity Matrix3x3.

Returns

Matrix3x3

Overrides

VectorBase.constructor

Accessors

m00

Get Signature

get m00(): number

Defined in: libs/base/src/math/vector.ts:2818

Get the element at row 0, column 0

Returns

number

Set Signature

set m00(v): void

Defined in: libs/base/src/math/vector.ts:2821

Parameters

v

number

Returns

void

---

m10

Get Signature

get m10(): number

Defined in: libs/base/src/math/vector.ts:2825

Get the element at row 0, column 1

Returns

number

Set Signature

set m10(v): void

Defined in: libs/base/src/math/vector.ts:2828

Parameters

v

number

Returns

void

---

m20

Get Signature

get m20(): number

Defined in: libs/base/src/math/vector.ts:2832

Get the element at row 0, column 2

Returns

number

Set Signature

set m20(v): void

Defined in: libs/base/src/math/vector.ts:2835

Parameters

v

number

Returns

void

---

m01

Get Signature

get m01(): number

Defined in: libs/base/src/math/vector.ts:2839

Get the element at row 1, column 0

Returns

number

Set Signature

set m01(v): void

Defined in: libs/base/src/math/vector.ts:2842

Parameters

v

number

Returns

void

---

m11

Get Signature

get m11(): number

Defined in: libs/base/src/math/vector.ts:2846

Get the element at row 1, column 1

Returns

number

Set Signature

set m11(v): void

Defined in: libs/base/src/math/vector.ts:2849

Parameters

v

number

Returns

void

---

m21

Get Signature

get m21(): number

Defined in: libs/base/src/math/vector.ts:2853

Get the element at row 1, column 2

Returns

number

Set Signature

set m21(v): void

Defined in: libs/base/src/math/vector.ts:2856

Parameters

v

number

Returns

void

---

m02

Get Signature

get m02(): number

Defined in: libs/base/src/math/vector.ts:2860

Get the element at row 2, column 0

Returns

number

Set Signature

set m02(v): void

Defined in: libs/base/src/math/vector.ts:2863

Parameters

v

number

Returns

void

---

m12

Get Signature

get m12(): number

Defined in: libs/base/src/math/vector.ts:2867

Get the element at row 2, column 1

Returns

number

Set Signature

set m12(v): void

Defined in: libs/base/src/math/vector.ts:2870

Parameters

v

number

Returns

void

---

m22

Get Signature

get m22(): number

Defined in: libs/base/src/math/vector.ts:2874

Get the element at row 2, column 2

Returns

number

Set Signature

set m22(v): void

Defined in: libs/base/src/math/vector.ts:2877

Parameters

v

number

Returns

void

Methods

equalsTo()

equalsTo(other, epsl?): boolean

Defined in: libs/base/src/math/vector.ts:32

Check if all data is close enough to another

Parameters

other

Float32Array<ArrayBuffer>

The data to be compared with.

epsl?

number

Returns

boolean

true if close enough, otherwise false.

Inherited from

VectorBase.equalsTo

---

toString()

toString(): string

Defined in: libs/base/src/math/vector.ts:52

Convert this to string object.

Returns

string

Inherited from

VectorBase.toString

---

isNaN()

isNaN(): boolean

Defined in: libs/base/src/math/vector.ts:61

Check the data for the presence of NaN.

Returns

boolean

true if NaN is present, otherwise false.

Inherited from

VectorBase.isNaN

---

setRandom()

setRandom(minValue, maxValue): void

Defined in: libs/base/src/math/vector.ts:75

Generate random vector

Parameters

minValue

number

Minimum value of any component of the vector

maxValue

number

Maximum value of any component of the vector

Returns

void

Inherited from

VectorBase.setRandom

---

clone()

clone(): Matrix3x3

Defined in: libs/base/src/math/vector.ts:2814

Creates a new Matrix3x3 initialized with values from this matrix.

Returns

Matrix3x3

The new matrix.

---

getRow()

getRow(row, result?): Vector3

Defined in: libs/base/src/math/vector.ts:2886

Get the values in a row as a Vector3

Parameters

row

number

The row index

result?

Vector3

The output vector, if not specified, a new vector will be created.

Returns

Vector3

The output vector

---

setRow()

setRow(row, v): Matrix3x3

Defined in: libs/base/src/math/vector.ts:2895

Set values to a row in the matrix.

Parameters

row

number

The row index

v

Vector3

The values to be set

Returns

Matrix3x3

• self

---

setRowXYZ()

setRowXYZ(row, x, y, z): Matrix3x3

Defined in: libs/base/src/math/vector.ts:2909

Set values to a row in the matrix.

Parameters

row

number

The row index

x

number

The first value of the row to be set

y

number

The second value of the row to be set

z

number

The third value of the row to be set

Returns

Matrix3x3

• self

---

getCol()

getCol(col, result?): Vector3

Defined in: libs/base/src/math/vector.ts:2921

Get the values in a column as a Vector3

Parameters

col

number

The column index

result?

Vector3

The output vector, if not specified, a new vector will be created.

Returns

Vector3

The output vector

---

setCol()

setCol(col, v): Matrix3x3

Defined in: libs/base/src/math/vector.ts:2930

Set values to a column in the matrix.

Parameters

col

number

The column index.

v

Vector3

The values to be set.

Returns

Matrix3x3

self

---

setColXYZ()

setColXYZ(col, x, y, z): Matrix3x3

Defined in: libs/base/src/math/vector.ts:2944

Set values to a column in the matrix.

Parameters

col

number

The column index.

x

number

The first value of the column to be set.

y

number

The second value of the column to be set.

z

number

The third value of the column to be set.

Returns

Matrix3x3

self

---

add()

static add(a, b, result?): Matrix3x3

Defined in: libs/base/src/math/vector.ts:2957

Adds two Matrix3x3's component-wise.

Parameters

a

Matrix3x3

The first operand.

b

Matrix3x3

The second operand.

result?

Matrix3x3

The output matrix (can be the same as a or b), if not specified, a new matrix will be created.

Returns

Matrix3x3

The result matrix

---

sub()

static sub(a, b, result?): Matrix3x3

Defined in: libs/base/src/math/vector.ts:2971

Subtracts two Matrix3x3's component-wise.

Parameters

a

Matrix3x3

The first operand.

b

Matrix3x3

The second operand.

result?

Matrix3x3

The output matrix (can be the same as a or b), if not specified, a new matrix will be created.

Returns

Matrix3x3

The result matrix

---

mul()

static mul(a, b, result?): Matrix3x3

Defined in: libs/base/src/math/vector.ts:2985

Multiplys two Matrix3x3's component-wise.

Parameters

a

Matrix3x3

The first operand.

b

Matrix3x3

The second operand.

result?

Matrix3x3

The output matrix (can be the same as a or b), if not specified, a new matrix will be created.

Returns

Matrix3x3

The output matrix

---

div()

static div(a, b, result?): Matrix3x3

Defined in: libs/base/src/math/vector.ts:2999

Divides two Matrix3x3's component-wise.

Parameters

a

Matrix3x3

The first operand.

b

Matrix3x3

The second operand.

result?

Matrix3x3

The output matrix (can be the same as a or b), if not specified, a new matrix will be created.

Returns

Matrix3x3

The result matrix

---

scale()

static scale(a, f, result?): Matrix3x3

Defined in: libs/base/src/math/vector.ts:3013

Scales a Matrix3x3 by a scalar number component-wise.

Parameters

a

Matrix3x3

The matrix to be scaled.

f

number

The scalar number.

result?

Matrix3x3

The output matrix (can be the same as a), if not specified, a new matrix will be created.

Returns

Matrix3x3

The result matrix

---

identity()

static identity(result?): Matrix3x3

Defined in: libs/base/src/math/vector.ts:3025

Creates an identity Matrix3x3.

Parameters

result?

Matrix3x3

The output matrix, if not specified, a new matrix will be created.

Returns

Matrix3x3

The output matrix

---

transpose()

static transpose(matrix, result?): Matrix3x3

Defined in: libs/base/src/math/vector.ts:3036

Transpose a Matrix3x3.

Parameters

matrix

Matrix3x3

The matrix to be transposed.

result?

Matrix3x3

The output matrix (can be the same as matrix), if not specified, a new matrix will be created.

Returns

Matrix3x3

The output matrix

---

invert()

static invert(matrix, result?): Matrix3x3

Defined in: libs/base/src/math/vector.ts:3061

Inverts a Matrix3x3

Parameters

matrix

Matrix3x3

The matrix to be inverted.

result?

Matrix3x3

The output matrix (can be the same as matrix). if not specified, a new matrix will be created.

Returns

Matrix3x3

The output matrix

---

rotationX()

static rotationX(angle, result?): Matrix3x3

Defined in: libs/base/src/math/vector.ts:3093

Creates a Matrix3x3 that presents a rotation around x axis.

Parameters

angle

number

The rotate angle in radians.

result?

Matrix3x3

The output matrix, if not specified, a new matrix will be created.

Returns

Matrix3x3

The output matrix

---

rotationY()

static rotationY(angle, result?): Matrix3x3

Defined in: libs/base/src/math/vector.ts:3114

Creates a Matrix3x3 that presents a rotation around y axis.

Parameters

angle

number

The rotate angle in radians.

result?

Matrix3x3

The output matrix, if not specified, a new matrix will be created.

Returns

Matrix3x3

The output matrix

---

rotationZ()

static rotationZ(angle, result?): Matrix3x3

Defined in: libs/base/src/math/vector.ts:3135

Creates a Matrix3x3 that presents a rotation around z axis.

Parameters

angle

number

The rotate angle in radians.

result?

Matrix3x3

The output matrix, if not specified, a new matrix will be created.

Returns

Matrix3x3

The output matrix

---

rotation()

static rotation(axis, angle, result?): Matrix3x3

Defined in: libs/base/src/math/vector.ts:3157

Creates a Matrix3x3 that presents a rotation around a given axis.

Parameters

axis

Vector3

The rotation axis.

angle

number

The rotate angle in radians.

result?

Matrix3x3

The output matrix, if not specified, a new matrix will be created.

Returns

Matrix3x3

The output matrix

---

multiply()

static multiply(m1, m2, result?): Matrix3x3

Defined in: libs/base/src/math/vector.ts:3190

Multiplies two Matrix3x3's

Parameters

m1

Matrix3x3

The first operand.

m2

Matrix3x3

The second operand.

result?

Matrix3x3

The output matrix (can be the same as m1 or m2), if not specified, a new matrix will be created.

Returns

Matrix3x3

The output matrix

---

subBy()

subBy(other): Matrix3x3

Defined in: libs/base/src/math/vector.ts:3228

Subtract a matrix from this matrix component-wise.

Parameters

other

Matrix3x3

The matrix that will be subtract.

Returns

Matrix3x3

self

---

addBy()

addBy(other): Matrix3x3

Defined in: libs/base/src/math/vector.ts:3237

Add a matrix to this matrix component-wise.

Parameters

other

Matrix3x3

The matrix that will be added.

Returns

Matrix3x3

self

---

mulBy()

mulBy(other): Matrix3x3

Defined in: libs/base/src/math/vector.ts:3246

Multiplies this matrix by a matrix component-wise.

Parameters

other

Matrix3x3

The matrix that will be multiplied by.

Returns

Matrix3x3

self

---

divBy()

divBy(other): Matrix3x3

Defined in: libs/base/src/math/vector.ts:3255

Divide this matrix by a matrix component-wise.

Parameters

other

Matrix3x3

The matrix that will be divide by.

Returns

Matrix3x3

self

---

scaleBy()

scaleBy(f): Matrix3x3

Defined in: libs/base/src/math/vector.ts:3264

Scale this matrix by a scalar number component-wise.

Parameters

f

number

amount to scale this matrix by.

Returns

Matrix3x3

self

---

identity()

identity(): Matrix3x3

Defined in: libs/base/src/math/vector.ts:3272

Make this matrix identity.

Returns

Matrix3x3

self

---

inplaceInvert()

inplaceInvert(): Matrix3x3

Defined in: libs/base/src/math/vector.ts:3280

Calculate the inverse of this matrix inplace.

Returns

Matrix3x3

self

---

transpose()

transpose(): Matrix3x3

Defined in: libs/base/src/math/vector.ts:3288

Calculate the transpose of this matrix inplace.

Returns

Matrix3x3

self

---

multiplyRight()

multiplyRight(other): Matrix3x3

Defined in: libs/base/src/math/vector.ts:3301

Post-multiply by a matrix inplace.

Parameters

other

Matrix3x3

The matrix that will be multiplied by.

Returns

Matrix3x3

self

Remarks

this = this * other

---

multiplyLeft()

multiplyLeft(other): Matrix3x3

Defined in: libs/base/src/math/vector.ts:3314

Pre-multiply by a matrix inplace.

Parameters

other

Matrix3x3

The matrix that will be multiplied by.

Returns

Matrix3x3

self

Remarks

this = other * this

---

rotationX()

rotationX(angle): Matrix3x3

Defined in: libs/base/src/math/vector.ts:3323

Calculates a rotation around x axis inplace.

Parameters

angle

number

The rotate angle in radians.

Returns

Matrix3x3

self

---

rotationY()

rotationY(angle): Matrix3x3

Defined in: libs/base/src/math/vector.ts:3332

Calculates a rotation around y axis inplace.

Parameters

angle

number

The rotate angle in radians.

Returns

Matrix3x3

self

---

rotationZ()

rotationZ(angle): Matrix3x3

Defined in: libs/base/src/math/vector.ts:3341

Calculates a rotation around z axis inplace.

Parameters

angle

number

The rotate angle in radians.

Returns

Matrix3x3

self

---

rotation()

rotation(axis, angle): Matrix3x3

Defined in: libs/base/src/math/vector.ts:3351

Calculates a rotation around a given axis.

Parameters

axis

Vector3

The rotation axis.

angle

number

The rotate angle in radians.

Returns

Matrix3x3

self

---

transform()

transform(vec, result?): Vector3

Defined in: libs/base/src/math/vector.ts:3361

Transform a vector by this matrix.

Parameters

vec

Vector3

The vector to be transformed.

result?

Vector3

The output vector (can be the same as vec), if not specified, a new vector will be created.

Returns

Vector3

The output vector

---

transformPoint()

transformPoint(vec, result?): Vector3

Defined in: libs/base/src/math/vector.ts:3372

Transform a vector by this matrix.

Parameters

vec

Vector3

The vector to be transformed.

result?

Vector3

The output vector (can be the same as vec), if not specified, a new vector will be created.

Returns

Vector3

The output vector

---

transformVector()

transformVector(vec, result?): Vector3

Defined in: libs/base/src/math/vector.ts:3378

Transform a vector by this matrix.

Parameters

vec

Vector3

The vector to be transformed.

result?

Vector3

The output vector (can be the same as vec), if not specified, a new vector will be created.

Returns

Vector3

The output vector