M3D / M3D / M3DMath / Matrix3x4

Class: Matrix3x4

M3D.M3DMath.Matrix3x4

Memberof

M3D.M3DMath

Description

3*4矩阵

Table of contents

Constructors

• constructor

Properties

• data
• _IDENTITY
• _ZERO
• matrix3x4Count

Methods

• Add
• AddED
• Clone
• Data
• Decompose
• Equals
• GetLookAt
• GetLookAt_1
• Inverse
• InverseED
• LeftMultiRotation
• LeftMultiScale
• LeftMultiTranslate
• MultiRotatiton
• MultiScale
• MultiTranslate
• Multiply
• MultiplyED
• Release
• Rotation
• Rotation2
• RotationMatrix
• RotationMatrix2
• Scale
• SetRotation
• SetScale
• SetTranslation
• Sub
• SubED
• ToMatrix3
• ToMatrix4
• Tostring
• Translation
• Value
• copyFrom
• fromString
• IDENTITY
• ZERO

Constructors

constructor

• new Matrix3x4(): Matrix3x4

Returns

Matrix3x4

Description

构造函数

• new Matrix3x4(mat): Matrix3x4

Parameters

Name	Type
mat	Matrix3x4

Returns

Matrix3x4

Description

构造函数

• new Matrix3x4(mat): Matrix3x4

Parameters

Name	Type
mat	Matrix3

Returns

Matrix3x4

Description

构造函数

• new Matrix3x4(mat): Matrix3x4

Parameters

Name	Type
mat	Matrix4

Returns

Matrix3x4

Description

构造函数

• new Matrix3x4(data): Matrix3x4

Parameters

Name	Type
data	Float32Array

Returns

Matrix3x4

Description

构造函数

• new Matrix3x4(translation, rotation, scale): Matrix3x4

Parameters

Name	Type
translation	Vector3
rotation	Quaternion
scale	number

Returns

Matrix3x4

Description

构造函数

• new Matrix3x4(translation, rotation, scale): Matrix3x4

Parameters

Name	Type
translation	Vector3
rotation	Quaternion
scale	Vector3

Returns

Matrix3x4

Description

构造函数

• new Matrix3x4(v00, v01, v02, v03, v10, v11, v12, v13, v20, v21, v22, v23): Matrix3x4

Parameters

Name	Type
v00	number
v01	number
v02	number
v03	number
v10	number
v11	number
v12	number
v13	number
v20	number
v21	number
v22	number
v23	number

Returns

Matrix3x4

Description

构造函数

Properties

data

• data: Float32Array

---

_IDENTITY

▪ Static _IDENTITY: Matrix3x4

---

_ZERO

▪ Static _ZERO: Matrix3x4

---

matrix3x4Count

▪ Static matrix3x4Count: number

Methods

Add

▸ Add(rhs): Matrix3x4

Parameters

Name	Type
rhs	Matrix3x4

Returns

Matrix3x4

Description

矩阵加法（生成新矩阵，不改变自身值）

---

AddED

▸ AddED(rhs): Matrix3x4

Parameters

Name	Type
rhs	Matrix3x4

Returns

Matrix3x4

Description

矩阵加法（不生成新矩阵，改变自身值）

---

Clone

▸ Clone(): Matrix3x4

Returns

Matrix3x4

Description

矩阵克隆

---

Data

▸ Data(): Float32Array

Returns

Float32Array

Description

获取矩阵数据

---

Decompose

▸ Decompose(translation, rotation, scale): void

Parameters

Name	Type
translation	Vector3
rotation	Quaternion
scale	Vector3

Returns

void

Description

矩阵数据分解

---

Equals

▸ Equals(mat): boolean

Parameters

Name	Type
mat	Matrix3x4

Returns

boolean

Description

判断矩阵是否相等

---

GetLookAt

▸ GetLookAt(eye, center, up, lookDistance?): Vector3[]

Parameters

Name	Type
eye	Vector3
center	Vector3
up	Vector3
lookDistance?	number

Returns

Vector3[]

Description

获取看向位置等数据

---

GetLookAt_1

▸ GetLookAt_1(eye, center, up, lookDistance?): Vector3[]

Parameters

Name	Type
eye	Vector3
center	Vector3
up	Vector3
lookDistance?	number

Returns

Vector3[]

Description

获取看向位置等数据

---

Inverse

▸ Inverse(): Matrix3x4

Returns

Matrix3x4

Description

求矩阵的逆（生成新矩阵，不改变自身值）

---

InverseED

▸ InverseED(): Matrix3x4

Returns

Matrix3x4

Description

求矩阵的逆（不生成新矩阵，改变自身值）

---

LeftMultiRotation

▸ LeftMultiRotation(rotation): void

Parameters

Name	Type
rotation	Quaternion

Returns

void

Description

左乘旋转四元数

---

LeftMultiScale

▸ LeftMultiScale(scale): any

Parameters

Name	Type
scale	number

Returns

any

Description

左乘缩放比例

▸ LeftMultiScale(scale): any

Parameters

Name	Type
scale	Vector3

Returns

any

Description

左乘缩放比例

---

LeftMultiTranslate

▸ LeftMultiTranslate(mov): void

Parameters

Name	Type
mov	Vector3

Returns

void

Description

左乘平移向量

---

MultiRotatiton

▸ MultiRotatiton(rotation): void

Parameters

Name	Type
rotation	Quaternion

Returns

void

Description

右乘旋转四元数

---

MultiScale

▸ MultiScale(scale): any

Parameters

Name	Type
scale	number

Returns

any

Description

右乘缩放比例

▸ MultiScale(scale): any

Parameters

Name	Type
scale	Vector3

Returns

any

Description

右乘缩放比例

---

MultiTranslate

▸ MultiTranslate(mov): void

Parameters

Name	Type
mov	Vector3

Returns

void

Description

右乘平移向量

---

Multiply

▸ Multiply(rhs): Matrix3x4

Parameters

Name	Type
rhs	number

Returns

Matrix3x4

Description

矩阵乘法（生成新矩阵，不改变自身值）

▸ Multiply(rhs): Vector3

Parameters

Name	Type
rhs	Vector3

Returns

Vector3

Description

矩阵乘法

▸ Multiply(rhs): Vector3

Parameters

Name	Type
rhs	Vector4

Returns

Vector3

Description

矩阵乘法

▸ Multiply(rhs): Matrix4

Parameters

Name	Type
rhs	Matrix4

Returns

Matrix4

Description

矩阵乘法

▸ Multiply(rhs): Matrix3x4

Parameters

Name	Type
rhs	Matrix3x4

Returns

Matrix3x4

Description

矩阵乘法（生成新矩阵，不改变自身值）

---

MultiplyED

▸ MultiplyED(rhs): Matrix3x4

Parameters

Name	Type
rhs	number

Returns

Matrix3x4

Description

矩阵乘法（不生成新矩阵，改变自身值）

▸ MultiplyED(rhs): Matrix3x4

Parameters

Name	Type
rhs	Matrix3x4

Returns

Matrix3x4

Description

矩阵乘法（不生成新矩阵，改变自身值）

---

Release

▸ Release(): void

Returns

void

Description

数据释放

---

Rotation

▸ Rotation(): Quaternion

Returns

Quaternion

Description

获取平旋转四元数

---

Rotation2

▸ Rotation2(): Quaternion

Returns

Quaternion

Description

获取平旋转四元数

---

RotationMatrix

▸ RotationMatrix(): Matrix3

Returns

Matrix3

Description

获取旋转矩阵

---

RotationMatrix2

▸ RotationMatrix2(): Matrix3

Returns

Matrix3

Description

获取旋转矩阵

---

Scale

▸ Scale(): Vector3

Returns

Vector3

Description

获取缩放向量

---

SetRotation

▸ SetRotation(rotation): void

Parameters

Name	Type
rotation	Matrix3

Returns

void

Description

设置旋转

---

SetScale

▸ SetScale(scale): any

Parameters

Name	Type
scale	Vector3

Returns

any

Description

设置缩放

▸ SetScale(scale): any

Parameters

Name	Type
scale	number

Returns

any

Description

设置缩放

---

SetTranslation

▸ SetTranslation(translation): void

Parameters

Name	Type
translation	Vector3

Returns

void

Description

设置平移

---

Sub

▸ Sub(rhs): Matrix3x4

Parameters

Name	Type
rhs	Matrix3x4

Returns

Matrix3x4

Description

矩阵减法（生成新矩阵，不改变自身值）

---

SubED

▸ SubED(rhs): Matrix3x4

Parameters

Name	Type
rhs	Matrix3x4

Returns

Matrix3x4

Description

矩阵减法（不生成新矩阵，改变自身值）

---

ToMatrix3

▸ ToMatrix3(): Matrix3

Returns

Matrix3

Description

转换为3x3矩阵

---

ToMatrix4

▸ ToMatrix4(): Matrix4

Returns

Matrix4

Description

转换为4x4矩阵

---

Tostring

▸ Tostring(): string

Returns

string

Description

矩阵数据转字符串信息

---

Translation

▸ Translation(): Vector3

Returns

Vector3

Description

获取平移向量

---

Value

▸ Value(row, colum): number

Parameters

Name	Type
row	number
colum	number

Returns

number

Description

获取矩阵某行某列对应数值

---

copyFrom

▸ copyFrom(rhs): any

Parameters

Name	Type
rhs	Matrix3x4

Returns

any

Description

数据复制

▸ copyFrom(rhs): any

Parameters

Name	Type
rhs	Matrix3

Returns

any

Description

数据复制

▸ copyFrom(rhs): any

Parameters

Name	Type
rhs	Matrix4

Returns

any

Description

数据复制

---

fromString

▸ fromString(str): boolean

Parameters

Name	Type
str	string

Returns

boolean

Description

字符串转矩阵数据

---

IDENTITY

▸ IDENTITY(): Matrix3x4

Returns

Matrix3x4

Description

获取单位阵

---

ZERO

▸ ZERO(): Matrix3x4

Returns

Matrix3x4

Description

获取零矩阵