Matrix3 | Math Library

表示一个 3 x 3 的矩阵

Class representing a three by there matrix

Hierarchy

Matrix3

Index

Constructors

constructor

Properties

Constructors

constructor

new Matrix3(m11?: number, m12?: number, m13?: number, m21?: number, m22?: number, m23?: number, m31?: number, m32?: number, m33?: number): Matrix3

- Defined in unit/matrix3/index.ts:86
The matrix3 entries are in the following order:

m11 m12 m13

m21 m22 m23

m31 m32 m33

default

Identity Matrix

Parameters
- m11: number = 1
- m12: number = 0
- m13: number = 0
- m21: number = 0
- m22: number = 1
- m23: number = 0
- m31: number = 0
- m32: number = 0
- m33: number = 1
Returns Matrix3

Properties

Private elements

elements: number[] = []

Elements of the matrix

Static Readonly Identity

Identity: Matrix3 = ...

单位矩阵

Identity Matrix3

Static Readonly Zero

Zero: Matrix3 = ...

零矩阵

Zero Matrix3

Methods

applyRotate

applyRotate(radian: number): Matrix3

- Defined in unit/matrix3/index.ts:406
计算在当前矩阵的基础上叠加旋转变化后的矩阵

Applies rotate transform to this matrix

Parameters
- radian: number
  
  theta Rotation angle in radians.
Returns Matrix3

新的矩阵 (A new matrix)

applyScale

applyScale(v: Vector2): Matrix3

- Defined in unit/matrix3/index.ts:377
计算在当前矩阵的基础上叠加缩放变化后的矩阵

Applies scale transform to this matrix

Parameters
- v: Vector2
Returns Matrix3

新的矩阵 (A new matrix)

applyTranslate

applyTranslate(v: Vector2): Matrix3

- Defined in unit/matrix3/index.ts:349
计算在当前矩阵的基础上叠加平移变化后的矩阵

Applies translate transform to this matrix

Parameters
- v: Vector2
Returns Matrix3

新的矩阵 (A new matrix)

clone

clone(): Matrix3

- Defined in unit/matrix3/index.ts:231
复制当前矩阵

Clones the current matrix to a new matrix

Returns Matrix3

A new matrix

copy

copy(m: Matrix3): Matrix3

- Defined in unit/matrix3/index.ts:221
将矩阵 m 的值拷贝给当前矩阵

Copies m to the current matrix

Parameters
- m: Matrix3
Returns Matrix3

当前矩阵 this matrix

determinant

determinant(): number

- Defined in unit/matrix3/index.ts:331
计算行列式

Calculates the determinant of this matrix3 (行列式)

Returns number

equals

equals(m: Matrix3): boolean

- Defined in unit/matrix3/index.ts:435
判断矩阵是否相等

Determines whether the current matrix and m are equal

Parameters
- m: Matrix3
Returns boolean

fromArray

fromArray(elements: number[], offset?: number): Matrix3

- Defined in unit/matrix3/index.ts:142
将数组设置为矩阵的值

Sets values of the current matrix by an array

Parameters
- elements: number[]
  
  An array of matrix elements
- offset: number = 0
  
  Offset to start
Returns Matrix3

当前矩阵 this matrix

fromRotate

fromRotate(radian: number): Matrix3

- Defined in unit/matrix3/index.ts:202
根据旋转变换设置矩阵的值

Sets this matrix from rotate transform

Parameters
- radian: number
  
  theta Rotation angle in radians.
Returns Matrix3

当前矩阵 this matrix

fromScale

fromScale(v: Vector2): Matrix3

- Defined in unit/matrix3/index.ts:185
根据缩放变换设置矩阵的值

Sets this matrix from scale transform

Parameters
- v: Vector2
Returns Matrix3

当前矩阵 this matrix

fromTranslate

fromTranslate(v: Vector2): Matrix3

- Defined in unit/matrix3/index.ts:169
根据平移变换设置矩阵的值

Sets this matrix from translate transform

Parameters
- v: Vector2
Returns Matrix3

当前矩阵 this matrix

invert

invert(): Matrix3

- Defined in unit/matrix3/index.ts:295
计算逆矩阵

Inverts this matrix （逆矩阵）

Returns Matrix3

新的矩阵 (A new matrix)

multiply

multiply(m: Matrix3): Matrix3

- Defined in unit/matrix3/index.ts:241
乘矩阵 m

Multiplies the current matrix by m Matrix.

Parameters
- m: Matrix3
Returns Matrix3

新的矩阵 (A new matrix)

multiplyScalar

multiplyScalar(v: number): Matrix3

- Defined in unit/matrix3/index.ts:261
乘一个标量

Multiplies this matrix by a number;

Parameters
- v: number
Returns Matrix3

新的矩阵 (A new matrix)

preMultiply

preMultiply(m: Matrix3): Matrix3

- Defined in unit/matrix3/index.ts:251
左乘矩阵 m

Multiplies the current matrix to the left by m Matrix

Parameters
- m: Matrix3
Returns Matrix3

新的矩阵 (A new matrix)

set

set(m11: number, m12: number, m13: number, m21: number, m22: number, m23: number, m31: number, m32: number, m33: number): Matrix3

- Defined in unit/matrix3/index.ts:122
设置矩阵的值

The matrix3 entries are in the following order:

m11 m12 m13

m21 m22 m23

m31 m32 m33

Parameters
- m11: number
- m12: number
- m13: number
- m21: number
- m22: number
- m23: number
- m31: number
- m32: number
- m33: number
Returns Matrix3

toArray

toArray(): number[]

- Defined in unit/matrix3/index.ts:159
将矩阵的值转换成数组输出

Outputs the elements of the current matrix as an array

Returns number[]

transpose

transpose(): Matrix3

- Defined in unit/matrix3/index.ts:278
转置矩阵

Transposes this matrix

Returns Matrix3

新的矩阵 (A new matrix)

Static multiplyMatrices

multiplyMatrices(matrices: Matrix3[]): Matrix3

- Defined in unit/matrix3/index.ts:38
依次将每个矩阵乘起来

Multiplies the matrices

Parameters
- matrices: Matrix3[]
Returns Matrix3

Static preMultiplyMatrices

preMultiplyMatrices(matrices: Matrix3[]): Matrix3

- Defined in unit/matrix3/index.ts:47
依次将每个矩阵左乘起来

Multiplies the matrices to the left

Parameters
- matrices: Matrix3[]
Returns Matrix3

Static Private product

product(a: Matrix3, b: Matrix3): number[]

- Defined in unit/matrix3/index.ts:54
Parameters
- a: Matrix3
- b: Matrix3
Returns number[]

the array result ma x mb

Generated using TypeDoc