Class b2Vec2

A 2D column vector.

Hierarchy

b2Vec2

Index

Constructors

constructor

Properties

x
y

Methods

Constructors

constructor

new b2Vec2(x?: number, y?: number): b2Vec2

- Defined in node_modules/@tawaship/box2dweb-module/types/box2dweb.d.ts:796
Creates a new vector 2.

Parameters
- Optional x: number
  
  x value, default = 0.
- Optional y: number
  
  y value, default = 0.
Returns b2Vec2

Properties

x

x: number

x value

y

y: number

y value

Methods

Abs

Abs(): void

- Defined in node_modules/@tawaship/box2dweb-module/types/box2dweb.d.ts:808
Sets x and y to absolute values.

Returns void

Add

Add(v: b2Vec2): void

- Defined in node_modules/@tawaship/box2dweb-module/types/box2dweb.d.ts:814
Adds the vector 2 to this vector 2. The result is stored in this vector 2.

Parameters
- v: b2Vec2
  
  Vector 2 to add.
Returns void

Copy

Copy(): b2Vec2

- Defined in node_modules/@tawaship/box2dweb-module/types/box2dweb.d.ts:820
Creates a copy of the vector 2.

Returns b2Vec2

Copy of this vector 2.

CrossFV

CrossFV(s: number): void

- Defined in node_modules/@tawaship/box2dweb-module/types/box2dweb.d.ts:826
Cross F V

Parameters
- s: number
Returns void

CrossVF

CrossVF(s: number): void

- Defined in node_modules/@tawaship/box2dweb-module/types/box2dweb.d.ts:832
Cross V F

Parameters
- s: number
Returns void

GetNegative

GetNegative(): b2Vec2

- Defined in node_modules/@tawaship/box2dweb-module/types/box2dweb.d.ts:838
Gets the negative of this vector 2.

Returns b2Vec2

Negative copy of this vector 2.

IsValid

IsValid(): boolean

- Defined in node_modules/@tawaship/box2dweb-module/types/box2dweb.d.ts:844
True if the vector 2 is valid, otherwise false. A valid vector has finite values.

Returns boolean

True if the vector 2 is valid, otherwise false.

Length

Length(): number

- Defined in node_modules/@tawaship/box2dweb-module/types/box2dweb.d.ts:850
Calculates the length of the vector 2.

Returns number

The length of the vector 2.

LengthSquared

LengthSquared(): number

- Defined in node_modules/@tawaship/box2dweb-module/types/box2dweb.d.ts:856
Calculates the length squared of the vector2.

Returns number

The length squared of the vector 2.

MaxV

MaxV(b: b2Vec2): void

- Defined in node_modules/@tawaship/box2dweb-module/types/box2dweb.d.ts:869
Calculates which vector has the maximum values and sets this vector to those values.

Parameters
- b: b2Vec2
  
  Vector 2 to compare for maximum values.
Returns void

MinV

MinV(b: b2Vec2): void

- Defined in node_modules/@tawaship/box2dweb-module/types/box2dweb.d.ts:875
Calculates which vector has the minimum values and sets this vector to those values.

Parameters
- b: b2Vec2
  
  Vector 2 to compare for minimum values.
Returns void

MulM

MulM(A: b2Mat22): void

- Defined in node_modules/@tawaship/box2dweb-module/types/box2dweb.d.ts:881
Matrix multiplication. Stores the result in this vector 2.

Parameters
- A: b2Mat22
  
  Matrix to muliply by.
Returns void

MulTM

MulTM(A: b2Mat22): void

- Defined in node_modules/@tawaship/box2dweb-module/types/box2dweb.d.ts:893
Dot product multiplication. Stores the result in this vector 2.

Parameters
- A: b2Mat22
  
  Matrix to multiply by.
Returns void

Multiply

Multiply(a: number): void

- Defined in node_modules/@tawaship/box2dweb-module/types/box2dweb.d.ts:887
Vector multiplication. Stores the result in this vector 2.

Parameters
- a: number
  
  Value to multiple the vector's values by.
Returns void

NegativeSelf

NegativeSelf(): void

- Defined in node_modules/@tawaship/box2dweb-module/types/box2dweb.d.ts:898
Sets this vector 2 to its negative.

Returns void

Normalize

Normalize(): number

- Defined in node_modules/@tawaship/box2dweb-module/types/box2dweb.d.ts:904
Normalizes the vector 2 [0,1].

Returns number

Length.

Set

Set(x?: number, y?: number): void

- Defined in node_modules/@tawaship/box2dweb-module/types/box2dweb.d.ts:911
Sets the vector 2.

Parameters
- Optional x: number
  
  x value, default is 0.
- Optional y: number
  
  y value, default is 0.
Returns void

SetV

SetV(v: b2Vec2): void

- Defined in node_modules/@tawaship/box2dweb-module/types/box2dweb.d.ts:917
Sets the vector 2 from a vector 2.

Parameters
- v: b2Vec2
  
  Vector 2 to copy values from.
Returns void

SetZero

SetZero(): void

- Defined in node_modules/@tawaship/box2dweb-module/types/box2dweb.d.ts:922
Sets the vector 2 to zero values.

Returns void

Subtract

Subtract(v: b2Vec2): void

- Defined in node_modules/@tawaship/box2dweb-module/types/box2dweb.d.ts:928
Subtracts the vector 2 from this vector 2. The result is stored in this vector 2.

Parameters
- v: b2Vec2
  
  Vector 2 to subtract.
Returns void

Static Make

Make(x: number, y: number): b2Vec2

- Defined in node_modules/@tawaship/box2dweb-module/types/box2dweb.d.ts:863
Creates a new vector 2 from the given values.

Parameters
- x: number
  
  x value.
- y: number
  
  y value.
Returns b2Vec2

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