Class Vector2

Hierarchy

Vector2

Index

Constructors

Properties

Accessors

angle length lengthSquared x y

Constructors

constructor

new Vector2(x?: number, y?: number): Vector2
Parameters
- x: number = 0
- y: number = 0
Returns Vector2
- Defined in math/Vector2.ts:10

Properties

`Private` _x

_x: number

`Private` _y

_y: number

Accessors

angle

get angle(): number
Returns number
- Defined in math/Vector2.ts:131

length

get length(): number
Returns number
- Defined in math/Vector2.ts:135
set length(v: number): void
Parameters
- v: number
Returns void
- Defined in math/Vector2.ts:138

lengthSquared

get lengthSquared(): number
Returns number
- Defined in math/Vector2.ts:142

x

get x(): number
Returns number
- Defined in math/Vector2.ts:113
set x(v: number): void
Parameters
- v: number
Returns void
- Defined in math/Vector2.ts:116

y

get y(): number
Returns number
- Defined in math/Vector2.ts:120
set y(v: number): void
Parameters
- v: number
Returns void
- Defined in math/Vector2.ts:123

Methods

clone

clone(vectorRef?: Vector2): Vector2
Parameters
- Optional vectorRef: Vector2
Returns Vector2
- Defined in math/Vector2.ts:74

copyFrom

copyFrom(v: Vec2Like): Vector2
Parameters
- v: Vec2Like
Returns Vector2
- Defined in math/Vector2.ts:87

getAngleByDegree

getAngleByDegree(): number
Returns number
- Defined in math/Vector2.ts:109

getAngleByRadian

getAngleByRadian(): number
Returns number
- Defined in math/Vector2.ts:104

inverse

inverse(): Vector2
ベクトルを反転する

Inverse vector

Returns Vector2
- Defined in math/Vector2.ts:26

mul

mul(v: number): Vector2
Parameters
- v: number
Returns Vector2
- Defined in math/Vector2.ts:15

normalize

normalize(): Vector2
Returns Vector2
- Defined in math/Vector2.ts:51

reflectAngle

reflectAngle(wallNormalVec: Vec2Like): void
Parameters
- wallNormalVec: Vec2Like
Returns void
- Defined in math/Vector2.ts:47

rotate

rotate(angleRadian: number, pivotX?: number, pivotY?: number): Vector2
Parameters
- angleRadian: number
- pivotX: number = 0
- pivotY: number = 0
Returns Vector2
- Defined in math/Vector2.ts:30

rotateByDegree

rotateByDegree(angleDegree: number, pivotX?: number, pivotY?: number): Vector2
Parameters
- angleDegree: number
- pivotX: number = 0
- pivotY: number = 0
Returns Vector2
- Defined in math/Vector2.ts:40

set

set(x?: number, y?: number): Vector2
Parameters
- x: number = ...
- y: number = ...
Returns Vector2
- Defined in math/Vector2.ts:81

setFromDegree

setFromDegree(deg: number, len?: number): Vector2
Parameters
- deg: number
- len: number = 1
Returns Vector2
- Defined in math/Vector2.ts:99

setFromRadian

setFromRadian(rad: number, len?: number): Vector2
Parameters
- rad: number
- len: number = 1
Returns Vector2
- Defined in math/Vector2.ts:93

setLength

setLength(len: number): Vector2
[en] Sets the length of vector

[jp] ベクトル長を設定
Parameters
- len: number
Returns Vector2
- Defined in math/Vector2.ts:67

`Static` createFromDegree

createFromDegree(degree: number, length?: number): Vector2
角度（度数）からVector2を生成
Parameters
- degree: number
- Optional length: number
  
  Length of vector default:1
Returns Vector2
- Defined in math/Vector2.ts:242

`Static` createFromRadian

createFromRadian(radian: number, length?: number): Vector2
角度（ラジアン）からVector2を生成
Parameters
- radian: number
- Optional length: number
Returns Vector2
- Defined in math/Vector2.ts:232

`Static` cross

cross(a: Vec2Like, b: Vec2Like): number
外積
Parameters
- a: Vec2Like
- b: Vec2Like
Returns number
- Defined in math/Vector2.ts:185

`Static` distanceSquared

distanceSquared(rhs: Vec2Like, lhs: Vec2Like): number
Parameters
- rhs: Vec2Like
- lhs: Vec2Like
Returns number
- Defined in math/Vector2.ts:166

`Static` dot

dot(a: Vec2Like, b: Vec2Like): number
内積

Returns
Parameters
- a: Vec2Like
- b: Vec2Like
Returns number
- Defined in math/Vector2.ts:176

`Static` getVectorDegree

getVectorDegree(dx: number, dy: number): number
xyベクトルから角度（度数単位）を算出

Returns
-180 ~ 180の数字
Parameters
- dx: number
- dy: number
Returns number
- Defined in math/Vector2.ts:152

`Static` reflectVector

reflectVector(d: Vec2Like, n: Vec2Like, vec?: Vector2): Vector2
R = F + 2(−F⋅N) * N R: Reflect vector, F: Force input vector, N: Normal vector

See
https://qiita.com/edo_m18/items/b145f2f5d2d05f0f29c9

Returns
Vector2
Parameters
- d: Vec2Like
  
  Src direction vector (No mutation)
- n: Vec2Like
  
  Wall normal vector (No mutation)
- vec: Vector2 = ...
  
  Vector2 to store the value (Mutated)
Returns Vector2
- Defined in math/Vector2.ts:199

`Static` reflectedAngle

reflectedAngle(d: Vec2Like, n: Vec2Like): number
Returns
Reflected vector's angle by radian
Parameters
- d: Vec2Like
  
  Src direction vector (No mutation)
- n: Vec2Like
  
  Wall normal vector (No mutation)
Returns number
- Defined in math/Vector2.ts:218

`Static` reflectedAngleByDegree

reflectedAngleByDegree(d: Vec2Like, n: Vec2Like): number
Parameters
- d: Vec2Like
- n: Vec2Like
Returns number
- Defined in math/Vector2.ts:222

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