Class Matrix2x2

Represents a 2x2 matrix.

Index

Constructors

Properties

Methods

det get inverse scale times fromArray rotationDegrees

Constructors

constructor

new Matrix2x2(elements): Matrix2x2
Parameters
- elements: number[][]
Returns Matrix2x2
- Defined in src/Matrix2x2.ts:7

Properties

`Private` elements

elements: number[][]

Methods

det

det(): number
Calculates the determinant of the matrix.

Returns number
- Defined in src/Matrix2x2.ts:82

get

get(y, x): number
Returns the element in the given position.
Parameters
- y: number
  The y of the element.
- x: number
  The x of the element
Returns number
- Defined in src/Matrix2x2.ts:42

inverse

inverse(): Optional<Matrix2x2>
Returns an inversed version of this matrix.

Returns Optional<Matrix2x2>
- Defined in src/Matrix2x2.ts:59

scale

scale(factor): Matrix2x2
Returns a matrix with the scaled by the given factor.
Parameters
- factor: number
Returns Matrix2x2
- Defined in src/Matrix2x2.ts:75

times

times(v): number[]
Multiplies this matrix with a vector.
Parameters
- v: number[]
Returns number[]
- Defined in src/Matrix2x2.ts:50

`Static` fromArray

fromArray(a): Matrix2x2
Returns a 2x2 Matrix from an array. The element in the array are given in the following places: [(0,0), (1,0), (0,1), (1,1)]
Parameters
- a: number[]
Returns Matrix2x2
- Defined in src/Matrix2x2.ts:31

`Static` rotationDegrees

rotationDegrees(degrees): Matrix2x2
Returns a rotation matrix with the given degrees. that rotates Vectors clockwise.
Parameters
- degrees: number
Returns Matrix2x2
- Defined in src/Matrix2x2.ts:14

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