Class: Matrix3 ​

3*3 的矩阵

Properties ​

• help_matrix3
• a
• b
• c
• d
• tx
• ty

Constructors ​

• constructor

Methods ​

• clone
• concat
• copyFrom
• identity
• invert
• $invertInto
• rotate
• scale
• setTo
• transformPoint
• setTranslate
• translate
• mul
• equals
• prepend
• append
• deltaTransformPoint
• toString
• createBox
• createGradientBox

Properties ​

help_matrix3 ​

▪ Static help_matrix3: Matrix3

Defined in ​

src/engine/math/Matrix3.ts:26

a ​

• a: number

x 的宽度

Defined in ​

src/engine/math/Matrix3.ts:31

b ​

• b: number

y 的倾斜

Defined in ​

src/engine/math/Matrix3.ts:36

c ​

• c: number

x 的倾斜

Defined in ​

src/engine/math/Matrix3.ts:41

d ​

• d: number

y 的高度

Defined in ​

src/engine/math/Matrix3.ts:46

tx ​

• tx: number

x 坐标的位置

Defined in ​

src/engine/math/Matrix3.ts:51

ty ​

• ty: number

y 坐标的位置

Defined in ​

src/engine/math/Matrix3.ts:56

Constructors ​

constructor ​

• new Matrix3(a?, b?, c?, d?, tx?, ty?)

创建一个对象

Parameters ​

Defined in ​

src/engine/math/Matrix3.ts:67

Methods ​

clone ​

▸ clone(): Matrix3

复制对象

Returns ​

Matrix3

复制的对象

Defined in ​

src/engine/math/Matrix3.ts:80

concat ​

▸ concat(matrix): void

将当前矩阵与目标矩阵合并

Parameters ​

Returns ​

void

Defined in ​

src/engine/math/Matrix3.ts:88

copyFrom ​

▸ copyFrom(other): Matrix3

向当前矩阵值由目标矩阵值覆盖

Parameters ​

Returns ​

Matrix3

当前矩阵

Defined in ​

src/engine/math/Matrix3.ts:105

identity ​

▸ identity(): Matrix3

重置为单位矩阵

Returns ​

Matrix3

Defined in ​

src/engine/math/Matrix3.ts:118

invert ​

▸ invert(): void

倒置本矩阵

Returns ​

void

Defined in ​

src/engine/math/Matrix3.ts:127

$invertInto ​

▸ $invertInto(target): void

将给定的矩阵倒置

Parameters ​

Returns ​

void

Defined in ​

src/engine/math/Matrix3.ts:136

rotate ​

▸ rotate(angle): void

根据角度旋转

Parameters ​

Returns ​

void

Defined in ​

src/engine/math/Matrix3.ts:174

scale ​

▸ scale(sx, sy): void

根据偏移量缩放

Parameters ​

Returns ​

void

Defined in ​

src/engine/math/Matrix3.ts:200

setTo ​

▸ setTo(a, b, c, d, tx, ty): Matrix3

重新设置矩阵值

Parameters ​

Returns ​

Matrix3

修改后的矩阵

Defined in ​

src/engine/math/Matrix3.ts:223

transformPoint ​

▸ transformPoint(pointX, pointY, resultPoint?): Vector3

坐标变换

Parameters ​

Returns ​

Vector3

如果没有结果向量则新创建向量

Defined in ​

src/engine/math/Matrix3.ts:240

setTranslate ​

▸ setTranslate(x, y): void

平移

Parameters ​

Returns ​

void

Defined in ​

src/engine/math/Matrix3.ts:255

translate ​

▸ translate(dx, dy): void

偏移

Parameters ​

Returns ​

void

Defined in ​

src/engine/math/Matrix3.ts:265

mul ​

▸ mul(t): void

相乘

Parameters ​

Returns ​

void

Defined in ​

src/engine/math/Matrix3.ts:274

equals ​

▸ equals(other): boolean

与给定矩阵计算是否相等

Parameters ​

Returns ​

boolean

Defined in ​

src/engine/math/Matrix3.ts:311

prepend ​

▸ prepend(a, b, c, d, tx, ty): Matrix3

通过相乘获得一个前置矩阵

Parameters ​

Returns ​

Matrix3

前置矩阵

Defined in ​

src/engine/math/Matrix3.ts:325

append ​

▸ append(mat): Matrix3

通过相乘获得一个后置矩阵

Parameters ​

Returns ​

Matrix3

后置矩阵

Defined in ​

src/engine/math/Matrix3.ts:345

deltaTransformPoint ​

▸ deltaTransformPoint(point): Vector3

使用给定的点进行转换，忽略x，y坐标

Parameters ​

Returns ​

Vector3

Defined in ​

src/engine/math/Matrix3.ts:367

toString ​

▸ toString(): string

格式化矩阵值

Returns ​

string

Defined in ​

src/engine/math/Matrix3.ts:378

createBox ​

▸ createBox(scaleX, scaleY, rotation?, tx?, ty?): void

设置矩阵的缩放、旋转、转换参数

Parameters ​

Returns ​

void

Defined in ​

src/engine/math/Matrix3.ts:390

createGradientBox ​

▸ createGradientBox(width, height, rotation?, tx?, ty?): void

创建渐变框

Parameters ​

Returns ​

void

Defined in ​

src/engine/math/Matrix3.ts:418