# [name]

2D Vector.

## Example

`var a = new THREE.Vector2( 0, 1 ); var b = new THREE.Vector2( 1, 0 ); var d = a.distanceTo( b );`

## Constructor

### [name]( [page:Float x], [page:Float y] )

## Properties

### .[page:Float x]

### .[page:Float y]

## Methods

### .set( [page:Float x], [page:Float y] ) [page:Vector2]

Sets value of this vector.

### .copy( [page:Vector2 v] ) [page:Vector2]

Copies value of *v* to this vector.

### .add( [page:Vector2 a], [page:Vector2 b] ) [page:Vector2]

Sets this vector to *a + b*.

### .addSelf( [page:Vector2 v] ) [page:Vector2]

Adds *v* to this vector.

### .sub( [page:Vector2 a], [page:Vector2 b] ) [page:Vector2]

Sets this vector to *a - b*.

### .subSelf( [page:Vector2 v] ) [page:Vector2]

Subtracts *v* from this vector.

### .multiplyScalar( [page:Float s] ) [page:Vector2]

Multiplies this vector by scalar *s*.

### .divideScalar( [page:Float s] ) [page:Vector2]

Divides this vector by scalar *s*.
Set vector to *( 0, 0 )* if *s == 0*.

### .negate() [page:Vector2]

Inverts this vector.

### .dot( [page:Vector2 v] ) [page:Float]

Computes dot product of this vector and *v*.

### .lengthSq() [page:Float]

Computes squared length of this vector.

### .length() [page:Float]

Computes length of this vector.

### .normalize() [page:Vector2]

Normalizes this vector.

### .distanceTo( [page:Vector2 v] ) [page:Float]

Computes distance of this vector to *v*.

### .distanceToSquared( [page:Vector2 v] ) [page:Float]

Computes squared distance of this vector to *v*.

### .setLength( [page:Float l] ) [page:Vector2]

Normalizes this vector and multiplies it by *l*.

### .equals( [page:Vector2 v] ) [page:Vector2]

Checks for strict equality of this vector and *v*.

### .isZero() [page:Boolean]

Checks if length of this vector is within small epsilon (*0.0001*).

### .clone() [page:Vector2]

Clones this vector.

## Source

[link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]