Class: vec2 ​

二维向量计算

Table of contents ​

Constructors ​

• constructor

Properties ​

• add
• dot
• len
• multiplyC
• negate
• normalize
• projection
• scale

Constructors ​

constructor ​

new vec2()

Properties ​

add ​

Static add: (out: Vec2, v1: Vec2, v2: Vec2) => Vec2

Type declaration ​

(out, v1, v2): Vec2

Parameters ​

Returns ​

Vec2

dot ​

Static dot: (v1: Vec2, v2: Vec2) => number

Type declaration ​

(v1, v2): number

Parameters ​

Returns ​

number

len ​

Static len: (v: Vec2) => number

Type declaration ​

(v): number

Parameters ​

Returns ​

number

multiplyC ​

Static multiplyC: (out: Vec2, v1: Vec2, c: number) => Vec2

Type declaration ​

(out, v1, c): Vec2

Parameters ​

Returns ​

Vec2

negate ​

Static negate: (out: Vec2, a: Vec2) => Vec2

Type declaration ​

(out, a): Vec2

Parameters ​

Returns ​

Vec2

normalize ​

Static normalize: (out: number[], v: any) => Vec2

Type declaration ​

(out, v): Vec2

Parameters ​

Returns ​

Vec2

projection ​

Static projection: (out: Vec2, v: Vec2, n: Vec2) => Vec2

Type declaration ​

(out, v, n): Vec2

Parameters ​

Returns ​

Vec2

scale ​

Static scale: (out: any, v: any, s: number) => Vec2

Type declaration ​

(out, v, s): Vec2

Parameters ​

Returns ​

Vec2