Class Matrix2

Hierarchy

AbstractMatrix<Matrix2>
- Matrix2

Index

Constructors

Properties

modified one zero

Accessors

dimensions elements

Constructors

constructor

new Matrix2(elements): Matrix2
2x2 (square) matrix of numbers. Constructs a Matrix2 by wrapping a Float32Array. The elements are stored in column-major order: 0 2 1 3
Parameters
- elements: Float32Array
  The elements of the matrix in column-major order.
Returns Matrix2
Overrides AbstractMatrix<Matrix2>.constructor
- Defined in src/lib/math/Matrix2.ts:43

Properties

modified

modified: boolean

`Static` `Readonly`one

one: Matrix2 = ...

`Static` `Readonly`zero

zero: Matrix2 = ...

Accessors

dimensions

get dimensions(): number
Returns number
Inherited from AbstractMatrix.dimensions
- Defined in src/lib/math/AbstractMatrix.ts:46
set dimensions(unused): void
Parameters
- unused: number
Returns void
Inherited from AbstractMatrix.dimensions
- Defined in src/lib/math/AbstractMatrix.ts:49

elements

get elements(): Float32Array
Returns Float32Array
Inherited from AbstractMatrix.elements
- Defined in src/lib/math/AbstractMatrix.ts:53
set elements(elements): void
Parameters
- elements: Float32Array
Returns void
Inherited from AbstractMatrix.elements
- Defined in src/lib/math/AbstractMatrix.ts:56

Methods

add

__add__(rhs): Matrix2
Parameters
- rhs: any
Returns Matrix2
- Defined in src/lib/math/Matrix2.ts:332

mul

__mul__(rhs): Matrix2
Parameters
- rhs: any
Returns Matrix2
- Defined in src/lib/math/Matrix2.ts:358

neg

__neg__(): Matrix2
Returns Matrix2
- Defined in src/lib/math/Matrix2.ts:382

pos

__pos__(): Matrix2
Returns Matrix2
- Defined in src/lib/math/Matrix2.ts:378

radd

__radd__(lhs): Matrix2
Parameters
- lhs: any
Returns Matrix2
- Defined in src/lib/math/Matrix2.ts:345

rmul

__rmul__(lhs): Matrix2
Parameters
- lhs: any
Returns Matrix2
- Defined in src/lib/math/Matrix2.ts:368

rsub

__rsub__(lhs): Matrix2
Parameters
- lhs: any
Returns Matrix2
- Defined in src/lib/math/Matrix2.ts:399

sub

__sub__(rhs): Matrix2
Parameters
- rhs: any
Returns Matrix2
- Defined in src/lib/math/Matrix2.ts:386

add

add(rhs): Matrix2
Parameters
- rhs: Matrix2
Returns Matrix2
- Defined in src/lib/math/Matrix2.ts:47

add2

add2(a, b): Matrix2
Parameters
- a: Matrix2
- b: Matrix2
Returns Matrix2
- Defined in src/lib/math/Matrix2.ts:54

clone

clone(): Matrix2
Returns Matrix2
- Defined in src/lib/math/Matrix2.ts:59

copy

copy(m): Matrix2
Parameters
- m: Matrix2
Returns Matrix2
Inherited from AbstractMatrix.copy
- Defined in src/lib/math/AbstractMatrix.ts:64

det

det(): number
Computes the determinant.

Returns number
- Defined in src/lib/math/Matrix2.ts:71

getElement

getElement(row, column): number
Parameters
- row: number
  The zero-based row.
- column: number
  The zero-based column.
Returns number
Inherited from AbstractMatrix.getElement
- Defined in src/lib/math/AbstractMatrix.ts:76

inv

inv(): Matrix2
Sets this matrix to its inverse.

Returns Matrix2
- Defined in src/lib/math/Matrix2.ts:78

isLocked

isLocked(): boolean
Determines whether this Lockable is locked. If the Lockable is in the unlocked state then it is mutable. If the Lockable is in the locked state then it is immutable.

Returns boolean
Inherited from AbstractMatrix.isLocked
- Defined in src/lib/math/AbstractMatrix.ts:34

isOne

isOne(): boolean
Determines whether this matrix is the identity matrix for multiplication.

Returns boolean
Overrides AbstractMatrix.isOne
- Defined in src/lib/math/Matrix2.ts:91

isZero

isZero(): boolean
Determines whether this matrix is the identity matrix for addition.

Returns boolean
- Defined in src/lib/math/Matrix2.ts:103

lock

lock(): number
Locks this Lockable (preventing any further mutation), and returns a token that may be used to unlock it.

Returns number
Inherited from AbstractMatrix.lock
- Defined in src/lib/math/AbstractMatrix.ts:38

mul

mul(rhs): Matrix2
Parameters
- rhs: Matrix2
Returns Matrix2
- Defined in src/lib/math/Matrix2.ts:112

mul2

mul2(a, b): Matrix2
Parameters
- a: Matrix2
- b: Matrix2
Returns Matrix2
- Defined in src/lib/math/Matrix2.ts:116

neg

neg(): Matrix2
Sets this matrix to its additive inverse.

Returns Matrix2
- Defined in src/lib/math/Matrix2.ts:139

one

one(): Matrix2
Sets this matrix to the identity element for multiplication, 1.

Returns Matrix2
- Defined in src/lib/math/Matrix2.ts:146

reflection

reflection(n): Matrix2
Sets this matrix to the transformation for a reflection in the line normal to the unit vector n.

this ⟼ reflection(n) = I - 2 * n^T * n
Parameters
- n: VectorE1
Returns Matrix2
- Defined in src/lib/math/Matrix2.ts:157

row

row(i): number[]
Returns the row for the specified index.
Parameters
- i: number
  the zero-based index of the row.
Returns number[]
- Defined in src/lib/math/Matrix2.ts:169

scale

scale(α): Matrix2
Multiplies this matrix by the scale factor, α.
Parameters
- α: number
Returns Matrix2
- Defined in src/lib/math/Matrix2.ts:177

set

set(m11, m12, m21, m22): this
Sets all elements of this matrix to the supplied row-major values m11, ..., m22.
Parameters
- m11: number
- m12: number
- m21: number
- m22: number
Returns this
Method
set

Chainable
- Defined in src/lib/math/Matrix2.ts:195

setElement

setElement(row, column, value): void
Parameters
- row: number
  The zero-based row.
- column: number
  The zero-based column.
- value: number
  The value of the element.
Returns void
Inherited from AbstractMatrix.setElement
- Defined in src/lib/math/AbstractMatrix.ts:106

sub

sub(rhs): this
Parameters
- rhs: Matrix2
Returns this
Method
sub

Chainable
- Defined in src/lib/math/Matrix2.ts:210

toExponential

toExponential(fractionDigits?): string
Parameters
- OptionalfractionDigits: number
Returns string
Method
toExponential
- Defined in src/lib/math/Matrix2.ts:235

toFixed

toFixed(fractionDigits?): string
Parameters
- OptionalfractionDigits: number
Returns string
Method
toFixed
- Defined in src/lib/math/Matrix2.ts:255

toPrecision

toPrecision(precision?): string
Parameters
- Optionalprecision: number
Returns string
Method
toPrecision
- Defined in src/lib/math/Matrix2.ts:278

toString

toString(radix?): string
Parameters
- Optionalradix: number
Returns string
Method
toString
- Defined in src/lib/math/Matrix2.ts:300

translation

translation(d): this
Parameters
- d: VectorE1
Returns this
Method
translation

Chainable
- Defined in src/lib/math/Matrix2.ts:320

unlock

unlock(token): void
Unlocks this Lockable (allowing mutation), using a token that was obtained from a preceding lock method call.
Parameters
- token: number
Returns void
Inherited from AbstractMatrix.unlock
- Defined in src/lib/math/AbstractMatrix.ts:42

zero

zero(): Matrix2
Sets this matrix to the identity element for addition, 0.

Returns Matrix2
- Defined in src/lib/math/Matrix2.ts:328

`Static`reflection

reflection(n): Matrix2
Parameters
- n: VectorE1
Returns Matrix2
- Defined in src/lib/math/Matrix2.ts:412