import {Matrix3} from 'math-ds'

public class | source

Matrix3

A 3x3 matrix.

Constructor Summary

Public Constructor
public	constructor() Constructs a new matrix.

Member Summary

Public Members
public	elements: Float32Array The matrix elements.

Method Summary

Public Methods
public	clone(): Matrix3 Clones this matrix.
public	copy(matrix: Matrix3): Matrix3 Copies the values of a given matrix.
public	determinant(): Number Calculates the determinant of this matrix.
public	equals(m: Matrix3): Boolean Checks if this matrix equals the given one.
public	fromArray(array: Number[], offset: Number): Matrix3 Copies the values of a given array.
public	getInverse(matrix: Matrix3): Matrix3 Inverts the given matrix and stores the result in this matrix.
public	identity(): Matrix3 Sets this matrix to the identity matrix.
public	multiply(m: Matrix3): Matrix3 Multiplies this matrix with a given one.
public	multiplyMatrices(a: Matrix3, b: Matrix3): Matrix3 Sets this matrix to the product of the given matrices.
public	multiplyScalar(s: Number): Matrix3 Multiplies this matrix with a given scalar.
public	premultiply(m: Matrix3): Matrix3 Multiplies a given matrix with this one.
public	rotate(theta: Number): Matrix3 Rotates this matrix.
public	scale(sx: Number, sy: Number): Matrix3 Scales this matrix.
public	set(m00: Number, m01: Number, m02: Number, m10: Number, m11: Number, m12: Number, m20: Number, m21: Number, m22: Number): Matrix3 Sets the values of this matrix.
public	toArray(array: Number[], offset: Number): Number[] Stores this matrix in an array.
public	translate(tx: Number, ty: Number): Matrix3 Translates this matrix.
public	transpose(): Matrix3 Transposes this matrix.

Public Constructors

public constructor() source

Constructs a new matrix.

Public Members

public elements: Float32Array source

The matrix elements.

Public Methods

public clone(): Matrix3 source

Clones this matrix.

Return:

Matrix3

A clone of this matrix.

public copy(matrix: Matrix3): Matrix3 source

Copies the values of a given matrix.

Params:

Name	Type	Attribute	Description
matrix	Matrix3		A matrix.

Return:

Matrix3

This matrix.

public determinant(): Number source

Calculates the determinant of this matrix.

Return:

Number

The determinant.

public equals(m: Matrix3): Boolean source

Checks if this matrix equals the given one.

Params:

Name	Type	Attribute	Description
m	Matrix3		A matrix.

Return:

Boolean

Whether the matrix are equal.

public fromArray(array: Number[], offset: Number): Matrix3 source

Copies the values of a given array.

Params:

Name	Type	Attribute	Description
array	Number[]		An array.
offset	Number	optional default: 0	An offset into the array.

Return:

Matrix3

This matrix.

public getInverse(matrix: Matrix3): Matrix3 source

Inverts the given matrix and stores the result in this matrix.

Params:

Name	Type	Attribute	Description
matrix	Matrix3		The matrix that should be inverted.

Return:

Matrix3

This matrix.

public identity(): Matrix3 source

Sets this matrix to the identity matrix.

Return:

Matrix3

This matrix.

public multiply(m: Matrix3): Matrix3 source

Multiplies this matrix with a given one.

Params:

Name	Type	Attribute	Description
m	Matrix3		A matrix.

Return:

Matrix3

This matrix.

public multiplyMatrices(a: Matrix3, b: Matrix3): Matrix3 source

Sets this matrix to the product of the given matrices.

Params:

Name	Type	Attribute	Description
a	Matrix3		A matrix.
b	Matrix3		A matrix.

Return:

Matrix3

This matrix.

public multiplyScalar(s: Number): Matrix3 source

Multiplies this matrix with a given scalar.

Params:

Name	Type	Attribute	Description
s	Number		A scalar.

Return:

Matrix3

This matrix.

public premultiply(m: Matrix3): Matrix3 source

Multiplies a given matrix with this one.

Params:

Name	Type	Attribute	Description
m	Matrix3		A matrix.

Return:

Matrix3

This matrix.

public rotate(theta: Number): Matrix3 source

Rotates this matrix.

Params:

Name	Type	Attribute	Description
theta	Number		The rotation.

Return:

Matrix3

This matrix.

public scale(sx: Number, sy: Number): Matrix3 source

Scales this matrix.

Params:

Name	Type	Attribute	Description
sx	Number		The X scale.
sy	Number		The Y scale.

Return:

Matrix3

This matrix.

public set(m00: Number, m01: Number, m02: Number, m10: Number, m11: Number, m12: Number, m20: Number, m21: Number, m22: Number): Matrix3 source

Sets the values of this matrix.

Params:

Name	Type	Attribute	Description
m00	Number		The value of the first row, first column.
m01	Number		The value of the first row, second column.
m02	Number		The value of the first row, third column.
m10	Number		The value of the second row, first column.
m11	Number		The value of the second row, second column.
m12	Number		The value of the second row, third column.
m20	Number		The value of the third row, first column.
m21	Number		The value of the third row, second column.
m22	Number		The value of the third row, third column.