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 = add

Type declaration

(out, v1, v2): Vec2

Parameters

Name	Type
out	Vec2
v1	Vec2
v2	Vec2

Returns

Vec2

---

dot

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

Type declaration

(v1, v2): number

Parameters

Name	Type
v1	Vec2
v2	Vec2

Returns

number

---

len

Static len: (v: Vec2) => number = len

Type declaration

(v): number

Parameters

Name	Type
v	Vec2

Returns

number

---

multiplyC

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

Type declaration

(out, v1, c): Vec2

Parameters

Name	Type
out	Vec2
v1	Vec2
c	number

Returns

Vec2

---

negate

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

Type declaration

(out, a): Vec2

Parameters

Name	Type
out	Vec2
a	Vec2

Returns

Vec2

---

normalize

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

Type declaration

(out, v): Vec2

Parameters

Name	Type
out	number[]
v	any

Returns

Vec2

---

projection

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

Type declaration

(out, v, n): Vec2

Parameters

Name	Type
out	Vec2
v	Vec2
n	Vec2

Returns

Vec2

---

scale

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

Type declaration

(out, v, s): Vec2

Parameters

Name	Type
out	any
v	any
s	number

Returns

Vec2