Class Vector2

2d 向量

Hierarchy

Vector2

Implements

IEquatable<Vector2>

Index

Constructors

constructor

Properties

x
y

Accessors

Methods

Constructors

constructor

new Vector2(x?: number, y?: number): Vector2

- Defined in src/Math/Vector2.ts:5
从两个值构造一个带有X和Y的二维向量。

Parameters
- Optional x: number
  
  二维空间中的x坐标
- Optional y: number
  
  二维空间的y坐标
Returns Vector2

Properties

x

x: number = 0

y

y: number = 0

Accessors

Static one

get one(): Vector2

- Defined in src/Math/Vector2.ts:21
Returns Vector2

Static unitX

get unitX(): Vector2

- Defined in src/Math/Vector2.ts:25
Returns Vector2

Static unitY

get unitY(): Vector2

- Defined in src/Math/Vector2.ts:29
Returns Vector2

Static zero

get zero(): Vector2

- Defined in src/Math/Vector2.ts:17
Returns Vector2

Methods

add

add(value: Vector2): Vector2

- Defined in src/Math/Vector2.ts:183
Parameters
- value: Vector2
Returns Vector2

divide

divide(value: Vector2): Vector2

- Defined in src/Math/Vector2.ts:193
Parameters
- value: Vector2
Returns Vector2

equals

equals(other: Vector2 | object): boolean

- Defined in src/Math/Vector2.ts:254
比较当前实例是否等于指定的对象

Parameters
- other: Vector2 | object
  
  要比较的对象
Returns boolean

如果实例相同true 否则false

length

length(): number

- Defined in src/Math/Vector2.ts:230
返回它的长度

Returns number

lengthSquared

lengthSquared(): number

- Defined in src/Math/Vector2.ts:238
返回该Vector2的平方长度

Returns number

这个Vector2的平方长度

multiply

multiply(value: Vector2): Vector2

- Defined in src/Math/Vector2.ts:203
Parameters
- value: Vector2
Returns Vector2

normalize

normalize(): void

- Defined in src/Math/Vector2.ts:223
将这个Vector2变成一个方向相同的单位向量

Returns void

round

round(): Vector2

- Defined in src/Math/Vector2.ts:245
四舍五入X和Y值

Returns Vector2

subtract

subtract(value: Vector2): this

- Defined in src/Math/Vector2.ts:214
从当前Vector2减去一个Vector2

Parameters
- value: Vector2
  
  要减去的Vector2
Returns this

当前Vector2

Static add

add(value1: Vector2, value2: Vector2): Vector2

- Defined in src/Math/Vector2.ts:38
Parameters
- value1: Vector2
- value2: Vector2
Returns Vector2

Static angle

angle(from: Vector2, to: Vector2): number

- Defined in src/Math/Vector2.ts:161
返回两个向量之间的角度，单位是度数

Parameters
- from: Vector2
- to: Vector2
Returns number

Static clamp

clamp(value1: Vector2, min: Vector2, max: Vector2): Vector2

- Defined in src/Math/Vector2.ts:119
将指定的值限制在一个范围内

Parameters
- value1: Vector2
- min: Vector2
- max: Vector2
Returns Vector2

Static distance

distance(value1: Vector2, value2: Vector2): number

- Defined in src/Math/Vector2.ts:151
返回两个向量之间的距离

Parameters
- value1: Vector2
- value2: Vector2
Returns number

两个向量之间的距离

Static distanceSquared

distanceSquared(value1: Vector2, value2: Vector2): number

- Defined in src/Math/Vector2.ts:108
返回两个向量之间距离的平方

Parameters
- value1: Vector2
- value2: Vector2
Returns number

Static divide

divide(value1: Vector2, value2: Vector2): Vector2

- Defined in src/Math/Vector2.ts:50
Parameters
- value1: Vector2
- value2: Vector2
Returns Vector2

Static dot

dot(value1: Vector2, value2: Vector2): number

- Defined in src/Math/Vector2.ts:99
返回两个向量的点积

Parameters
- value1: Vector2
- value2: Vector2
Returns number

Static lerp

lerp(value1: Vector2, value2: Vector2, amount: number): Vector2

- Defined in src/Math/Vector2.ts:131
创建一个新的Vector2，其中包含指定向量的线性插值

Parameters
- value1: Vector2
  
  第一个向量
- value2: Vector2
  
  第二个向量
- amount: number
  
  加权值(0.0-1.0之间)
Returns Vector2

指定向量的线性插值结果

Static multiply

multiply(value1: Vector2, value2: Vector2): Vector2

- Defined in src/Math/Vector2.ts:62
Parameters
- value1: Vector2
- value2: Vector2
Returns Vector2

Static negate

negate(value: Vector2): Vector2

- Defined in src/Math/Vector2.ts:172
创建一个包含指定向量反转的新Vector2

Parameters
- value: Vector2
Returns Vector2

矢量反演的结果

Static normalize

normalize(value: Vector2): Vector2

- Defined in src/Math/Vector2.ts:86
创建一个新的Vector2 它包含来自另一个向量的标准化值。

Parameters
- value: Vector2
Returns Vector2

Static subtract

subtract(value1: Vector2, value2: Vector2): Vector2

- Defined in src/Math/Vector2.ts:74
Parameters
- value1: Vector2
- value2: Vector2
Returns Vector2

Static transform

transform(position: Vector2, matrix: Matrix2D): Vector2

- Defined in src/Math/Vector2.ts:140
创建一个新的Vector2，该Vector2包含了通过指定的Matrix进行的二维向量变换。

Parameters
- position: Vector2
- matrix: Matrix2D
Returns Vector2

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