Vector3Utils.md

sapi-pro

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sapi-pro / Vector3Utils

Class: Vector3Utils

向量工具类，提供向量相关的操作方法

Methods

above()

static above(v, step?): Vector3

返回上方指定距离(默认1)的Vector

Parameters

v

Vector3

step?

number = 1

Returns

Vector3

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add()

static add(v1, v2): Vector3

v1+v2

Parameters

v1

Vector3

v2

Vector3

Returns

Vector3

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below()

static below(v, step?): Vector3

返回下方指定距离(默认1)的Vector

Parameters

v

Vector3

step?

number = 1

Returns

Vector3

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cross()

static cross(v1, v2): object

叉积

Parameters

v1

Vector3

v2

Vector3

Returns

object

x

x: number

y

y: number

z

z: number

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distance()

static distance(v1, v2): number

距离

Parameters

v1

Vector3

v2

Vector3

Returns

number

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dot()

static dot(v1, v2): number

点积

Parameters

v1

Vector3

v2

Vector3

Returns

number

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fromArray()

static fromArray(array): Vector3

将数组转为Vector3

Parameters

array

number[]

Returns

Vector3

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intLoc()

static intLoc(v): object

小数坐标转为整数坐标

Parameters

v

Vector3

Returns

object

x

x: number

y

y: number

z

z: number

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isApproxEqual()

static isApproxEqual(v1, v2, eps?): boolean

v1与v2在误差eps范围内相等?

Parameters

v1

Vector3

v2

Vector3

eps?

number = 1e-6

Returns

boolean

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isEqual()

static isEqual(v1, v2): boolean

v1==v2?

Parameters

v1

Vector3

v2

Vector3

Returns

boolean

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length()

static length(v): number

向量长度

Parameters

v

Vector3

Returns

number

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normalize()

static normalize(v): object

归一化向量

Parameters

v

Vector3

Returns

object

x

x: number = 0

y

y: number = 0

z

z: number = 0

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scale()

static scale(v, times): object

v1*n

Parameters

v

Vector3

times

number

Returns

object

x

x: number

y

y: number

z

z: number

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squaredDistance()

static squaredDistance(v1, v2): number

距离(不开根号)

Parameters

v1

Vector3

v2

Vector3

Returns

number

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subtract()

static subtract(v1, v2): Vector3

v1-v2

Parameters

v1

Vector3

v2

Vector3

Returns

Vector3

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toArray()

static toArray(vector): [number, number, number]

将Vector3转为数组

Parameters

vector

Vector3

Returns

[number, number, number]

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toFixed()

static toFixed(v, digits?): Vector3

Parameters

v

Vector3

digits?

number = 2

Returns

Vector3

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toString()

static toString(vector): string

转为字符串

Parameters

vector

Vector3

Returns

string