Class Mat2D

2D matrix of shape:

a c tx b d ty 0 0 1

Remarks

Methods (like Mat2D.translate, Mat2D.multiplyMat) generally mutate the instance. Create new instances with Mat2D.clone.

Implements

ReadonlyMat2D

Index

Constructors

Properties

Accessors

Constructors

constructor

new Mat2D(
    a?: number,
    b?: number,
    c?: number,
    d?: number,
    tx?: number,
    ty?: number,
): Mat2D
Parameters
- a: number = 1
- b: number = 0
- c: number = 0
- d: number = 1
- tx: number = 0
- ty: number = 0
Returns Mat2D
- Defined in math/mat2d.ts:62

Properties

a

a: number = 1

b

b: number = 0

c

c: number = 0

d

d: number = 1

tx

tx: number = 0

ty

ty: number = 0

Accessors

determinant

get determinant(): number
Returns number
- Defined in math/mat2d.ts:58

Methods

add

add(other: Mat2DLike): this
Parameters
- other: Mat2DLike
Returns this
- Defined in math/mat2d.ts:136

asReadonly

asReadonly(): ReadonlyMat2D
Returns ReadonlyMat2D
- Defined in math/mat2d.ts:308

clone

clone(): Mat2D
Returns Mat2D
Implementation of ReadonlyMat2D.clone
- Defined in math/mat2d.ts:241

copyFrom

copyFrom(other: Mat2DLike): this
Parameters
- other: Mat2DLike
Returns this
- Defined in math/mat2d.ts:245

copyTo3x2

copyTo3x2(array: Float32Array, order?: MAT_ORDER): void
Parameters
- array: Float32Array
- order: MAT_ORDER = MAT_ORDER.COLUMN_MAJOR
Returns void
Implementation of ReadonlyMat2D.copyTo3x2
- Defined in math/mat2d.ts:285

copyTo3x3

copyTo3x3(array: Float32Array, order?: MAT_ORDER): void
Parameters
- array: Float32Array
- order: MAT_ORDER = MAT_ORDER.COLUMN_MAJOR
Returns void
Implementation of ReadonlyMat2D.copyTo3x3
- Defined in math/mat2d.ts:256

equals

equals(other: Mat2DLike, epsilon?: number): boolean
Parameters
- other: Mat2DLike
- epsilon: number = Number.EPSILON
Returns boolean
Implementation of ReadonlyMat2D.equals
- Defined in math/mat2d.ts:230

invert

invert(): this
Returns this
- Defined in math/mat2d.ts:206

makeIdentity

makeIdentity(): this
Returns this
- Defined in math/mat2d.ts:219

multiply

multiply(scalar: number): this
Parameters
- scalar: number
Returns this
- Defined in math/mat2d.ts:158

multiplyMat

multiplyMat(other: Mat2DLike): this
Parameters
- other: Mat2DLike
Returns this
- Defined in math/mat2d.ts:169

multiplyMatInverse

multiplyMatInverse(other: Mat2DLike): this
Parameters
- other: Mat2DLike
Returns this
- Defined in math/mat2d.ts:182

rotateDegrees

rotateDegrees(degrees: number): this
Parameters
- degrees: number
Returns this
- Defined in math/mat2d.ts:115

rotateRadians

rotateRadians(radians: number): this
Parameters
- radians: number
Returns this
- Defined in math/mat2d.ts:99

scale

scale(x: number, y?: number): this
Parameters
- x: number
- Optionaly: number
Returns this
- Defined in math/mat2d.ts:119

scaleVec

scaleVec(vec: Vec2Like): this
Parameters
- vec: Vec2Like
Returns this
- Defined in math/mat2d.ts:132

subtract

subtract(other: Mat2DLike): this
Parameters
- other: Mat2DLike
Returns this
- Defined in math/mat2d.ts:147

translate

translate(x: number, y?: number): this
Parameters
- x: number
- Optionaly: number
Returns this
- Defined in math/mat2d.ts:71

translateTo

translateTo(x: number, y?: number): this
Parameters
- x: number
- Optionaly: number
Returns this
- Defined in math/mat2d.ts:85

translateToVec

translateToVec(vec: Vec2Like): this
Parameters
- vec: Vec2Like
Returns this
- Defined in math/mat2d.ts:92

translateVec

translateVec(vec: Vec2Like): this
Parameters
- vec: Vec2Like
Returns this
- Defined in math/mat2d.ts:78

`Static`from

from(m: Mat2DLike): Mat2D
Parameters
- m: Mat2DLike
Returns Mat2D
- Defined in math/mat2d.ts:312

`Static`fromRotation

fromRotation(degrees: number): Mat2D
Parameters
- degrees: number
Returns Mat2D
- Defined in math/mat2d.ts:320

`Static`fromScale

fromScale(x: number, y?: number): Mat2D
Parameters
- x: number
- Optionaly: number
Returns Mat2D
- Defined in math/mat2d.ts:316

`Static`fromTranslation

fromTranslation(x: number, y: number): Mat2D
Parameters
- x: number
- y: number
Returns Mat2D
- Defined in math/mat2d.ts:327
fromTranslation(vec: Vec2Like): Mat2D
Parameters
- vec: Vec2Like
Returns Mat2D
- Defined in math/mat2d.ts:328

`Static`identity

identity(): Mat2D
A new Mat2D initialized to the identity matrix.

Returns Mat2D
- Defined in math/mat2d.ts:340