Class MatrixStack

Hierarchy (view full)

DynamicArrayBuffer
- MatrixStack

Index

Constructors

Properties

bytePerElem maxElemNum typedArray usedElemNum

Accessors

Methods

apply clear getArray getInverse getTransform pop popMat push pushIdentity pushMat pushUint resize rotate scale setMaxSize setTransform translate

Constructors

constructor

new MatrixStack(): MatrixStack
Returns MatrixStack
Overrides DynamicArrayBuffer.constructor
- Defined in math.ts:137

Properties

`Readonly`bytePerElem

bytePerElem: number

`Protected`maxElemNum

maxElemNum: number

`Protected`typedArray

typedArray: Uint16Array | Float32Array

usedElemNum

usedElemNum: number

Accessors

length

get length(): number
length of the array

Returns number
Inherited from DynamicArrayBuffer.length
- Defined in math.ts:88

Methods

apply

apply(x, y): number[] | Vec2
Transforms a point by applying the current matrix stack.
Parameters
- x: number | Vec2
- y: number
Returns number[] | Vec2
The transformed point as an array [newX, newY].
- Defined in math.ts:227

clear

clear(): void
Returns void
Inherited from DynamicArrayBuffer.clear
- Defined in math.ts:28

getArray

getArray(begin?, end?): Uint16Array | Float32Array
get the array
Parameters
- begin: number = 0
- Optionalend: number
Returns Uint16Array | Float32Array
Inherited from DynamicArrayBuffer.getArray
- Defined in math.ts:79

getInverse

getInverse(): Float32Array
Obtain the inverse matrix of the current matrix

Returns Float32Array
inverse matrix
- Defined in math.ts:242

getTransform

getTransform(): Float32Array
Get a copy of the current transformation matrix

Returns Float32Array
matrix
- Defined in math.ts:266

pop

pop(num): void
pop a element
Parameters
- num: number
Returns void
Inherited from DynamicArrayBuffer.pop
- Defined in math.ts:70

popMat

popMat(): void
pop a matrix from the stack

Returns void
- Defined in math.ts:157

push

push(value): void
push a new element
Parameters
- value: number
Returns void
Inherited from DynamicArrayBuffer.push
- Defined in math.ts:60

pushIdentity

pushIdentity(): void
push a matrix and indentiy it

Returns void
- Defined in math.ts:163

pushMat

pushMat(): void
push a matrix to the stack

Returns void
- Defined in math.ts:143

pushUint

pushUint(value): void
Parameters
- value: number
Returns void
Inherited from DynamicArrayBuffer.pushUint
- Defined in math.ts:63

resize

resize(size?): void
resize the array
Parameters
- size: number = 0
Returns void
Inherited from DynamicArrayBuffer.resize
- Defined in math.ts:36

rotate

rotate(angle): void
Rotates the current matrix by the specified angle.
Parameters
- angle: number
  The angle, in radians, to rotate the matrix by.
Returns void
- Defined in math.ts:190

scale

scale(x, y?): void
Multiplies the current matrix on the top of the stack by a scaling transformation.
Parameters
- x: number | Vec2
  The amount to scale the matrix horizontally.
- Optionaly: number
  The amount to scale the matrix vertically. If not specified, x is used for both horizontal and vertical scaling.
Returns void
- Defined in math.ts:211

`Protected`setMaxSize

setMaxSize(size?): void
Parameters
- size: number = ...
Returns void
Inherited from DynamicArrayBuffer.setMaxSize
- Defined in math.ts:46

setTransform

setTransform(array): void
Set the current transformation matrix
Parameters
- array: number[] | Float32Array
Returns void
- Defined in math.ts:282

translate

translate(x, y): void
Translates the current matrix by the specified x and y values.
Parameters
- x: number | Vec2
  The amount to translate horizontally.
- y: number
  The amount to translate vertically.
Returns void
- Defined in math.ts:177