Class: Vector2 ​

二维向量

Table of contents ​

Constructors ​

• constructor

Properties ​

• emitter

Accessors ​

• x
• y

Methods ​

• add
• clone
• mul
• normalized
• set
• toArray

Constructors ​

constructor ​

• new Vector2(num?)

Parameters ​

Defined in ​

src/core/math/Vector2.ts:10

• new Vector2(vector2)

Parameters ​

Defined in ​

src/core/math/Vector2.ts:11

• new Vector2(x, y)

Parameters ​

Defined in ​

src/core/math/Vector2.ts:12

Properties ​

emitter ​

• emitter: EventEmitter<string | symbol, any>

Defined in ​

src/core/math/Vector2.ts:8

Accessors ​

x ​

• get x(): number

Returns ​

number

Defined in ​

src/core/math/Vector2.ts:22

• set x(val): void

Parameters ​

Returns ​

void

Defined in ​

src/core/math/Vector2.ts:18

y ​

• get y(): number

Returns ​

number

Defined in ​

src/core/math/Vector2.ts:31

• set y(val): void

Parameters ​

Returns ​

void

Defined in ​

src/core/math/Vector2.ts:27

Methods ​

add ​

▸ add(num): Vector2

向量加法

Parameters ​

Returns ​

Vector2

Defined in ​

src/core/math/Vector2.ts:62

▸ add(x, y): Vector2

Parameters ​

Returns ​

Vector2

Defined in ​

src/core/math/Vector2.ts:63

▸ add(vector2): Vector2

Parameters ​

Returns ​

Vector2

Defined in ​

src/core/math/Vector2.ts:64

clone ​

▸ clone(): Vector2

克隆

Returns ​

Vector2

Defined in ​

src/core/math/Vector2.ts:53

mul ​

▸ mul(num): Vector2

向量缩放

Parameters ​

Returns ​

Vector2

Defined in ​

src/core/math/Vector2.ts:80

▸ mul(x, y): Vector2

Parameters ​

Returns ​

Vector2

Defined in ​

src/core/math/Vector2.ts:81

▸ mul(num): Vector2

向量两个方向分别缩放

Parameters ​

Returns ​

Vector2

Defined in ​

src/core/math/Vector2.ts:85

normalized ​

▸ normalized(): Vector2

向量归一化

Returns ​

Vector2

归一化后的向量

Defined in ​

src/core/math/Vector2.ts:103

set ​

▸ set(num): Vector2

Parameters ​

Returns ​

Vector2

Defined in ​

src/core/math/Vector2.ts:34

▸ set(x, y): Vector2

Parameters ​

Returns ​

Vector2

Defined in ​

src/core/math/Vector2.ts:35

▸ set(vector2): Vector2

Parameters ​

Returns ​

Vector2

Defined in ​

src/core/math/Vector2.ts:36

toArray ​

▸ toArray(): [number, number]

Returns ​

[number, number]

Defined in ​

src/core/math/Vector2.ts:108