Class: Quaternion ​

四元数用于表示旋转。

Properties ​

• HELP_0
• HELP_1
• HELP_2
• _zero
• CALCULATION_QUATERNION

Constructors ​

• constructor

Methods ​

• identity
• set
• divide
• multiply
• multiplyVector
• fromAxisAngle
• toAxisAngle
• slerp
• lerp
• fromEulerAngles
• toEulerAngles
• setFromRotationMatrix
• getEulerAngles
• normalize
• toString
• fromMatrix
• inverse
• clone
• transformVector
• copyFrom
• mul
• quaternionToMatrix

Accessors ​

• magnitude

Properties ​

HELP_0 ​

▪ Static HELP_0: Quaternion

Defined in ​

src/engine/math/Quaternion.ts:9

HELP_1 ​

▪ Static HELP_1: Quaternion

Defined in ​

src/engine/math/Quaternion.ts:10

HELP_2 ​

▪ Static HELP_2: Quaternion

Defined in ​

src/engine/math/Quaternion.ts:11

_zero ​

▪ Static _zero: Quaternion

Defined in ​

src/engine/math/Quaternion.ts:12

CALCULATION_QUATERNION ​

▪ Static CALCULATION_QUATERNION: Quaternion

Defined in ​

src/engine/math/Quaternion.ts:13

Constructors ​

constructor ​

• new Quaternion(x?, y?, z?, w?)

创建一个新的四元素对象

Parameters ​

Defined in ​

src/engine/math/Quaternion.ts:38

Methods ​

identity ​

▸ Static identity(): Quaternion

单位旋转。

Returns ​

Quaternion

Defined in ​

src/engine/math/Quaternion.ts:49

set ​

▸ set(x?, y?, z?, w?): void

设置现有四元数的 x、y、z 和 w 分量。

Parameters ​

Returns ​

void

Defined in ​

src/engine/math/Quaternion.ts:64

divide ​

▸ divide(v): Quaternion

Parameters ​

Returns ​

Quaternion

Defined in ​

src/engine/math/Quaternion.ts:71

multiply ​

▸ multiply(qa, qb): void

两个四元素相乘

Parameters ​

Returns ​

void

Defined in ​

src/engine/math/Quaternion.ts:97

multiplyVector ​

▸ multiplyVector(vector, target?): Quaternion

Parameters ​

Returns ​

Quaternion

Defined in ​

src/engine/math/Quaternion.ts:113

fromAxisAngle ​

▸ fromAxisAngle(axis, angle): void

从由轴和角度所给定的旋转来设置该四元数。

Parameters ​

Returns ​

void

Defined in ​

src/engine/math/Quaternion.ts:135

toAxisAngle ​

▸ toAxisAngle(axis): number

把四元数转成角度返回

Parameters ​

Returns ​

number

Defined in ​

src/engine/math/Quaternion.ts:153

slerp ​

▸ slerp(qa, qb, t): void

两个四元数之间球形插值，插值之间提供旋转恒定角变化率。

Parameters ​

Returns ​

void

Defined in ​

src/engine/math/Quaternion.ts:187

lerp ​

▸ lerp(qa, qb, t): void

两个四元数之间的线性插值

Parameters ​

Returns ​

void

Defined in ​

src/engine/math/Quaternion.ts:247

fromEulerAngles ​

▸ fromEulerAngles(ax, ay, az): Quaternion

用数值表示给定的欧拉旋转填充四元数对象。

Parameters ​

Returns ​

Quaternion

Quaternion 四元数对象

Defined in ​

src/engine/math/Quaternion.ts:296

toEulerAngles ​

▸ toEulerAngles(target?): Vector3

把四元数转成欧拉角返回

Retruns

Vector3D 转成的欧拉返回值

Parameters ​

Returns ​

Vector3

Defined in ​

src/engine/math/Quaternion.ts:333

setFromRotationMatrix ​

▸ setFromRotationMatrix(m): Quaternion

创建一个旋转

Parameters ​

Returns ​

Quaternion

Defined in ​

src/engine/math/Quaternion.ts:365

getEulerAngles ​

▸ getEulerAngles(eulers?): Vector3

返回一个旋转

Parameters ​

Returns ​

Vector3

Defined in ​

src/engine/math/Quaternion.ts:416

normalize ​

▸ normalize(val?): void

单位化四元数。将此四元数转换为单位系数。

Parameters ​

Returns ​

void

Defined in ​

src/engine/math/Quaternion.ts:448

toString ​

▸ toString(): string

以字符串形式返回四元数的值

Returns ​

string

Defined in ​

src/engine/math/Quaternion.ts:461

fromMatrix ​

▸ fromMatrix(matrix): void

用一个旋转矩阵生成四元数

Parameters ​

Returns ​

void

Defined in ​

src/engine/math/Quaternion.ts:524

inverse ​

▸ inverse(target?): Quaternion

返回一个把当前四元数取逆后的四元数

Parameters ​

Returns ​

Quaternion

Quaternion 四元数

Defined in ​

src/engine/math/Quaternion.ts:539

clone ​

▸ clone(): Quaternion

克隆一个四元数

Returns ​

Quaternion

Quaternion 当前四元数复制后返回新对象.

Defined in ​

src/engine/math/Quaternion.ts:568

transformVector ​

▸ transformVector(vector, target?): Vector3

旋转一个3量坐标点

Parameters ​

Returns ​

Vector3

Vector3D 返回旋转后的坐标对象

Defined in ​

src/engine/math/Quaternion.ts:587

copyFrom ​

▸ copyFrom(q): void

将数据从四元数复制到该实例

Parameters ​

Returns ​

void

Defined in ​

src/engine/math/Quaternion.ts:620

mul ​

▸ mul(lhs, rhs, target?): Quaternion

from untiy API op

Parameters ​

Returns ​

Quaternion

Defined in ​

src/engine/math/Quaternion.ts:632

quaternionToMatrix ​

▸ Static quaternionToMatrix(q, m): void

将四元素转换为矩阵

Parameters ​

Returns ​

void

Defined in ​

src/engine/math/Quaternion.ts:646

Accessors ​

magnitude ​

• get magnitude(): number

Returns ​

number

Defined in ​

src/engine/math/Quaternion.ts:53