Class Vector2

2D向量

Implements

Index

Constructors

Properties

x y

Accessors

direction magnitude

Methods

add clone copy cross div dot mul normal poolReset scale set sub unit fromAngle lerp

Constructors

constructor

new Vector2(x, y?): Vector2
Parameters
- x: number
- y: number = x
Returns Vector2
- Defined in math/vector.ts:13

Properties

x

x: number = 0

y

y: number = 0

Accessors

direction

get direction(): number
Returns number
- Defined in math/vector.ts:25
set direction(value): void
Parameters
- value: number
Returns void
- Defined in math/vector.ts:28

magnitude

get magnitude(): number
Returns number
- Defined in math/vector.ts:17
set magnitude(value): void
Parameters
- value: number
Returns void
- Defined in math/vector.ts:20

Methods

add

add(v, create?): Vector2
Parameters
- v: Vector2
- create: boolean = false
Returns Vector2
- Defined in math/vector.ts:66

clone

clone(): Vector2
Returns Vector2
Implementation of ICopyable.clone
- Defined in math/vector.ts:49

copy

copy(obj): void
Parameters
- obj: Vector2
Returns void
Implementation of ICopyable.copy
- Defined in math/vector.ts:43

cross

cross(v): number
Parameters
- v: Vector2
Returns number
- Defined in math/vector.ts:55

div

div(scalar, create?): Vector2
Parameters
- scalar: number
- create: boolean = false
Returns Vector2
- Defined in math/vector.ts:82

dot

dot(v): number
Parameters
- v: Vector2
Returns number
- Defined in math/vector.ts:52

mul

mul(scalar, create?): Vector2
Parameters
- scalar: number
- create: boolean = false
Returns Vector2
- Defined in math/vector.ts:74

normal

normal(create?): Vector2
Parameters
- create: boolean = false
Returns Vector2
- Defined in math/vector.ts:95

poolReset

poolReset(x, y?): void
Parameters
- x: number
- y: number = x
Returns void
Implementation of IPoolable.poolReset
- Defined in math/vector.ts:34

scale

scale(scalar, create?): Vector2
Parameters
- scalar: number
- create: boolean = false
Returns Vector2
- Defined in math/vector.ts:103

set

set(x, y?): Vector2
Parameters
- x: number
- y: number = x
Returns Vector2
- Defined in math/vector.ts:38

sub

sub(v, create?): Vector2
Parameters
- v: Vector2
- create: boolean = false
Returns Vector2
- Defined in math/vector.ts:58

unit

unit(create?): Vector2
Parameters
- create: boolean = false
Returns Vector2
- Defined in math/vector.ts:91

`Static` fromAngle

fromAngle(angle): Vector2
Parameters
- angle: number
Returns Vector2
- Defined in math/vector.ts:112

`Static` lerp

lerp(v1, v2, t): Vector2
Parameters
- v1: Vector2
- v2: Vector2
- t: number
Returns Vector2
- Defined in math/vector.ts:107