M3D / M3D / M3DMath / Matrix4

Class: Matrix4

M3D.M3DMath.Matrix4

Memberof

M3D.M3DMath

Description

4*4矩阵

Table of contents

Constructors

• constructor

Properties

• data
• _IDENTITY
• _ZERO
• matrix4Count

Methods

• Add
• AddED
• Clone
• Data
• Decompose
• Equals
• Inverse
• InverseED
• LookAt
• MultiRotatiton
• MultiScale
• MultiTranslate
• Multiply
• MultiplyED
• MultiplyMat4
• Ortho
• Release
• Rotation
• RotationMatrix
• Scale
• Set
• SetRotation
• SetScale
• SetTranslation
• Sub
• SubED
• ToIdentity
• ToMatrix3
• ToMatrix3x4
• Tostring
• Translation
• Transpose
• TransposeED
• Value
• copyFrom
• fromString
• BulkTranspose
• IDENTITY
• ZERO

Constructors

constructor

• new Matrix4(): Matrix4

Returns

Matrix4

Description

构造函数

• new Matrix4(mat): Matrix4

Parameters

Name	Type
mat	Matrix3

Returns

Matrix4

Description

构造函数

• new Matrix4(mat): Matrix4

Parameters

Name	Type
mat	Matrix4

Returns

Matrix4

Description

构造函数

• new Matrix4(data): Matrix4

Parameters

Name	Type
data	Float32Array

Returns

Matrix4

Description

构造函数

• new Matrix4(translation, rotation, scale): Matrix4

Parameters

Name	Type
translation	Vector3
rotation	Quaternion
scale	number

Returns

Matrix4

Description

构造函数

• new Matrix4(translation, rotation, scale): Matrix4

Parameters

Name	Type
translation	Vector3
rotation	Quaternion
scale	Vector3

Returns

Matrix4

Description

构造函数

• new Matrix4(v00, v01, v02, v03, v10, v11, v12, v13, v20, v21, v22, v23, v30, v31, v32, v33): Matrix4

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
v30	number
v31	number
v32	number
v33	number

Returns

Matrix4

Description

构造函数

Properties

data

• data: Float32Array

---

_IDENTITY

▪ Static _IDENTITY: Matrix4

---

_ZERO

▪ Static _ZERO: Matrix4

---

matrix4Count

▪ Static matrix4Count: number

Methods

Add

▸ Add(rhs): Matrix4

Parameters

Name	Type
rhs	Matrix4

Returns

Matrix4

Description

矩阵加法（生成新矩阵，不改变自身值）

---

AddED

▸ AddED(rhs): Matrix4

Parameters

Name	Type
rhs	Matrix4

Returns

Matrix4

Description

矩阵加法（不生成新矩阵，改变自身值）

---

Clone

▸ Clone(): Matrix4

Returns

Matrix4

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	Matrix4

Returns

boolean

Description

判断矩阵是否相等

---

Inverse

▸ Inverse(): Matrix4

Returns

Matrix4

Description

求矩阵的逆（生成新矩阵，不改变自身值）

---

InverseED

▸ InverseED(): Matrix4

Returns

Matrix4

Description

求矩阵的逆（不生成新矩阵，改变自身值）

---

LookAt

▸ LookAt(eyeX, eyeY, eyeZ, centerX, centerY, centerZ, upX, upY, upZ): void

Parameters

Name	Type
eyeX	number
eyeY	number
eyeZ	number
centerX	number
centerY	number
centerZ	number
upX	number
upY	number
upZ	number

Returns

void

Description

获取看向位置等数据

---

MultiRotatiton

▸ MultiRotatiton(rotation): void

Parameters

Name	Type
rotation	Quaternion

Returns

void

Description

右乘旋转四元数

---

MultiScale

▸ MultiScale(scale): void

Parameters

Name	Type
scale	number

Returns

void

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): Matrix4

Parameters

Name	Type
rhs	number

Returns

Matrix4

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): Vector4

Parameters

Name	Type
rhs	Vector4

Returns

Vector4

Description

矩阵乘法

▸ Multiply(rhs): Matrix4

Parameters

Name	Type
rhs	Quaternion

Returns

Matrix4

Description

矩阵乘法（生成新矩阵，不改变自身值）

▸ Multiply(rhs): Matrix4

Parameters

Name	Type
rhs	Matrix4

Returns

Matrix4

Description

矩阵乘法（生成新矩阵，不改变自身值）

▸ Multiply(rhs): Matrix4

Parameters

Name	Type
rhs	Matrix3x4

Returns

Matrix4

Description

矩阵乘法（生成新矩阵，不改变自身值）

---

MultiplyED

▸ MultiplyED(rhs): Matrix4

Parameters

Name	Type
rhs	number

Returns

Matrix4

Description

矩阵乘法（不生成新矩阵，改变自身值）

▸ MultiplyED(rhs): Matrix4

Parameters

Name	Type
rhs	Quaternion

Returns

Matrix4

Description

矩阵乘法（不生成新矩阵，改变自身值）

▸ MultiplyED(rhs): Matrix4

Parameters

Name	Type
rhs	Matrix4

Returns

Matrix4

Description

矩阵乘法（不生成新矩阵，改变自身值）

▸ MultiplyED(rhs): Matrix4

Parameters

Name	Type
rhs	Matrix3x4

Returns

Matrix4

Description

矩阵乘法（不生成新矩阵，改变自身值）

---

MultiplyMat4

▸ MultiplyMat4(rhs, result): void

Parameters

Name	Type
rhs	Matrix4
result	Matrix4

Returns

void

Description

4*4矩阵相乘

---

Ortho

▸ Ortho(left, right, bottom, top, nearPlane, farPlane): void

Parameters

Name	Type
left	number
right	number
bottom	number
top	number
nearPlane	number
farPlane	number

Returns

void

Description

乘以正交数据

---

Release

▸ Release(): void

Returns

void

Description

数据释放

---

Rotation

▸ Rotation(): Quaternion

Returns

Quaternion

Description

获取平旋转四元数

---

RotationMatrix

▸ RotationMatrix(): Matrix3

Returns

Matrix3

Description

获取旋转矩阵

---

Scale

▸ Scale(): Vector3

Returns

Vector3

Description

获取缩放向量

---

Set

▸ Set(data): void

Parameters

Name	Type
data	Float32Array

Returns

void

Description

设置矩阵数据

---

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): Matrix4

Parameters

Name	Type
rhs	Matrix4

Returns

Matrix4

Description

矩阵减法（生成新矩阵，不改变自身值）

---

SubED

▸ SubED(rhs): Matrix4

Parameters

Name	Type
rhs	Matrix4

Returns

Matrix4

Description

矩阵减法（不生成新矩阵，改变自身值）

---

ToIdentity

▸ ToIdentity(): void

Returns

void

Description

转换为单位矩阵

---

ToMatrix3

▸ ToMatrix3(): Matrix3

Returns

Matrix3

Description

转换为3x3矩阵

---

ToMatrix3x4

▸ ToMatrix3x4(): Matrix3x4

Returns

Matrix3x4

Description

转换为3*4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

---

Transpose

▸ Transpose(): Matrix4

Returns

Matrix4

Description

矩阵转置（生成新矩阵，不改变自身值）

---

TransposeED

▸ TransposeED(): Matrix4

Returns

Matrix4

Description

矩阵转置（不生成新矩阵，改变自身值）

---

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	Matrix4

Returns

any

Description

数据复制

▸ copyFrom(rhs): any

Parameters

Name	Type
rhs	Matrix3

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

---

BulkTranspose

▸ BulkTranspose(dest, src): void

Parameters

Name	Type
dest	Float32Array[]
src	Float32Array[]

Returns

void

Description

批量转置

---

IDENTITY

▸ IDENTITY(): Matrix4

Returns

Matrix4

Description

获取单位阵

---

ZERO

▸ ZERO(): Matrix4

Returns

Matrix4

Description

获取零矩阵