### Methods

#### (static) add(out, a, b) → {vec2}

Adds two vec2's

##### Parameters:

Name | Type | Description |
---|---|---|

`out` |
vec2 | the receiving vector |

`a` |
vec2 | the first operand |

`b` |
vec2 | the second operand |

##### Returns:

out

- Type
- vec2

#### (static) angle(a, b) → {Number}

Get the angle between two 2D vectors

##### Parameters:

Name | Type | Description |
---|---|---|

`a` |
vec2 | The first operand |

`b` |
vec2 | The second operand |

##### Returns:

The angle in radians

- Type
- Number

#### (static) ceil(out, a) → {vec2}

Math.ceil the components of a vec2

##### Parameters:

Name | Type | Description |
---|---|---|

`out` |
vec2 | the receiving vector |

`a` |
vec2 | vector to ceil |

##### Returns:

out

- Type
- vec2

#### (static) clone(a) → {vec2}

Creates a new vec2 initialized with values from an existing vector

##### Parameters:

Name | Type | Description |
---|---|---|

`a` |
vec2 | vector to clone |

##### Returns:

a new 2D vector

- Type
- vec2

#### (static) copy(out, a) → {vec2}

Copy the values from one vec2 to another

##### Parameters:

Name | Type | Description |
---|---|---|

`out` |
vec2 | the receiving vector |

`a` |
vec2 | the source vector |

##### Returns:

out

- Type
- vec2

#### (static) create() → {vec2}

Creates a new, empty vec2

##### Returns:

a new 2D vector

- Type
- vec2

#### (static) cross(out, a, b) → {vec3}

Computes the cross product of two vec2's
Note that the cross product must by definition produce a 3D vector

##### Parameters:

Name | Type | Description |
---|---|---|

`out` |
vec3 | the receiving vector |

`a` |
vec2 | the first operand |

`b` |
vec2 | the second operand |

##### Returns:

out

- Type
- vec3

#### (static) dist()

Alias for vec2.distance

#### (static) distance(a, b) → {Number}

Calculates the euclidian distance between two vec2's

##### Parameters:

Name | Type | Description |
---|---|---|

`a` |
vec2 | the first operand |

`b` |
vec2 | the second operand |

##### Returns:

distance between a and b

- Type
- Number

#### (static) div()

Alias for vec2.divide

#### (static) divide(out, a, b) → {vec2}

Divides two vec2's

##### Parameters:

Name | Type | Description |
---|---|---|

`out` |
vec2 | the receiving vector |

`a` |
vec2 | the first operand |

`b` |
vec2 | the second operand |

##### Returns:

out

- Type
- vec2

#### (static) dot(a, b) → {Number}

Calculates the dot product of two vec2's

##### Parameters:

Name | Type | Description |
---|---|---|

`a` |
vec2 | the first operand |

`b` |
vec2 | the second operand |

##### Returns:

dot product of a and b

- Type
- Number

#### (static) equals(a, b) → {Boolean}

Returns whether or not the vectors have approximately the same elements in the same position.

##### Parameters:

Name | Type | Description |
---|---|---|

`a` |
vec2 | The first vector. |

`b` |
vec2 | The second vector. |

##### Returns:

True if the vectors are equal, false otherwise.

- Type
- Boolean

#### (static) exactEquals(a, b) → {Boolean}

Returns whether or not the vectors exactly have the same elements in the same position (when compared with ===)

##### Parameters:

Name | Type | Description |
---|---|---|

`a` |
vec2 | The first vector. |

`b` |
vec2 | The second vector. |

##### Returns:

True if the vectors are equal, false otherwise.

- Type
- Boolean

#### (static) floor(out, a) → {vec2}

Math.floor the components of a vec2

##### Parameters:

Name | Type | Description |
---|---|---|

`out` |
vec2 | the receiving vector |

`a` |
vec2 | vector to floor |

##### Returns:

out

- Type
- vec2

#### (static) forEach(a, stride, offset, count, fn, argopt) → {Array}

Perform some operation over an array of vec2s.

##### Parameters:

Name | Type | Attributes | Description |
---|---|---|---|

`a` |
Array | the array of vectors to iterate over | |

`stride` |
Number | Number of elements between the start of each vec2. If 0 assumes tightly packed | |

`offset` |
Number | Number of elements to skip at the beginning of the array | |

`count` |
Number | Number of vec2s to iterate over. If 0 iterates over entire array | |

`fn` |
function | Function to call for each vector in the array | |

`arg` |
Object |
<optional> |
additional argument to pass to fn |

##### Returns:

a

- Type
- Array

#### (static) fromValues(x, y) → {vec2}

Creates a new vec2 initialized with the given values

##### Parameters:

Name | Type | Description |
---|---|---|

`x` |
Number | X component |

`y` |
Number | Y component |

##### Returns:

a new 2D vector

- Type
- vec2

#### (static) inverse(out, a) → {vec2}

Returns the inverse of the components of a vec2

##### Parameters:

Name | Type | Description |
---|---|---|

`out` |
vec2 | the receiving vector |

`a` |
vec2 | vector to invert |

##### Returns:

out

- Type
- vec2

#### (static) len()

Alias for vec2.length

#### (static) length(a) → {Number}

Calculates the length of a vec2

##### Parameters:

Name | Type | Description |
---|---|---|

`a` |
vec2 | vector to calculate length of |

##### Returns:

length of a

- Type
- Number

#### (static) lerp(out, a, b, t) → {vec2}

Performs a linear interpolation between two vec2's

##### Parameters:

Name | Type | Description |
---|---|---|

`out` |
vec2 | the receiving vector |

`a` |
vec2 | the first operand |

`b` |
vec2 | the second operand |

`t` |
Number | interpolation amount, in the range [0-1], between the two inputs |

##### Returns:

out

- Type
- vec2

#### (static) max(out, a, b) → {vec2}

Returns the maximum of two vec2's

##### Parameters:

Name | Type | Description |
---|---|---|

`out` |
vec2 | the receiving vector |

`a` |
vec2 | the first operand |

`b` |
vec2 | the second operand |

##### Returns:

out

- Type
- vec2

#### (static) min(out, a, b) → {vec2}

Returns the minimum of two vec2's

##### Parameters:

Name | Type | Description |
---|---|---|

`out` |
vec2 | the receiving vector |

`a` |
vec2 | the first operand |

`b` |
vec2 | the second operand |

##### Returns:

out

- Type
- vec2

#### (static) mul()

Alias for vec2.multiply

#### (static) multiply(out, a, b) → {vec2}

Multiplies two vec2's

##### Parameters:

Name | Type | Description |
---|---|---|

`out` |
vec2 | the receiving vector |

`a` |
vec2 | the first operand |

`b` |
vec2 | the second operand |

##### Returns:

out

- Type
- vec2

#### (static) negate(out, a) → {vec2}

Negates the components of a vec2

##### Parameters:

Name | Type | Description |
---|---|---|

`out` |
vec2 | the receiving vector |

`a` |
vec2 | vector to negate |

##### Returns:

out

- Type
- vec2

#### (static) normalize(out, a) → {vec2}

Normalize a vec2

##### Parameters:

Name | Type | Description |
---|---|---|

`out` |
vec2 | the receiving vector |

`a` |
vec2 | vector to normalize |

##### Returns:

out

- Type
- vec2

#### (static) random(out, scaleopt) → {vec2}

Generates a random vector with the given scale

##### Parameters:

Name | Type | Attributes | Description |
---|---|---|---|

`out` |
vec2 | the receiving vector | |

`scale` |
Number |
<optional> |
Length of the resulting vector. If ommitted, a unit vector will be returned |

##### Returns:

out

- Type
- vec2

#### (static) rotate(out, a, b, c) → {vec2}

Rotate a 2D vector

##### Parameters:

Name | Type | Description |
---|---|---|

`out` |
vec2 | The receiving vec2 |

`a` |
vec2 | The vec2 point to rotate |

`b` |
vec2 | The origin of the rotation |

`c` |
Number | The angle of rotation |

##### Returns:

out

- Type
- vec2

#### (static) round(out, a) → {vec2}

Math.round the components of a vec2

##### Parameters:

Name | Type | Description |
---|---|---|

`out` |
vec2 | the receiving vector |

`a` |
vec2 | vector to round |

##### Returns:

out

- Type
- vec2

#### (static) scale(out, a, b) → {vec2}

Scales a vec2 by a scalar number

##### Parameters:

Name | Type | Description |
---|---|---|

`out` |
vec2 | the receiving vector |

`a` |
vec2 | the vector to scale |

`b` |
Number | amount to scale the vector by |

##### Returns:

out

- Type
- vec2

#### (static) scaleAndAdd(out, a, b, scale) → {vec2}

Adds two vec2's after scaling the second operand by a scalar value

##### Parameters:

Name | Type | Description |
---|---|---|

`out` |
vec2 | the receiving vector |

`a` |
vec2 | the first operand |

`b` |
vec2 | the second operand |

`scale` |
Number | the amount to scale b by before adding |

##### Returns:

out

- Type
- vec2

#### (static) set(out, x, y) → {vec2}

Set the components of a vec2 to the given values

##### Parameters:

Name | Type | Description |
---|---|---|

`out` |
vec2 | the receiving vector |

`x` |
Number | X component |

`y` |
Number | Y component |

##### Returns:

out

- Type
- vec2

#### (static) sqrDist()

Alias for vec2.squaredDistance

#### (static) sqrLen()

Alias for vec2.squaredLength

#### (static) squaredDistance(a, b) → {Number}

Calculates the squared euclidian distance between two vec2's

##### Parameters:

Name | Type | Description |
---|---|---|

`a` |
vec2 | the first operand |

`b` |
vec2 | the second operand |

##### Returns:

squared distance between a and b

- Type
- Number

#### (static) squaredLength(a) → {Number}

Calculates the squared length of a vec2

##### Parameters:

Name | Type | Description |
---|---|---|

`a` |
vec2 | vector to calculate squared length of |

##### Returns:

squared length of a

- Type
- Number

#### (static) str(a) → {String}

Returns a string representation of a vector

##### Parameters:

Name | Type | Description |
---|---|---|

`a` |
vec2 | vector to represent as a string |

##### Returns:

string representation of the vector

- Type
- String

#### (static) sub()

Alias for vec2.subtract

#### (static) subtract(out, a, b) → {vec2}

Subtracts vector b from vector a

##### Parameters:

Name | Type | Description |
---|---|---|

`out` |
vec2 | the receiving vector |

`a` |
vec2 | the first operand |

`b` |
vec2 | the second operand |

##### Returns:

out

- Type
- vec2

#### (static) transformMat2(out, a, m) → {vec2}

Transforms the vec2 with a mat2

##### Parameters:

Name | Type | Description |
---|---|---|

`out` |
vec2 | the receiving vector |

`a` |
vec2 | the vector to transform |

`m` |
mat2 | matrix to transform with |

##### Returns:

out

- Type
- vec2

#### (static) transformMat2d(out, a, m) → {vec2}

Transforms the vec2 with a mat2d

##### Parameters:

Name | Type | Description |
---|---|---|

`out` |
vec2 | the receiving vector |

`a` |
vec2 | the vector to transform |

`m` |
mat2d | matrix to transform with |

##### Returns:

out

- Type
- vec2

#### (static) transformMat3(out, a, m) → {vec2}

Transforms the vec2 with a mat3
3rd vector component is implicitly '1'

##### Parameters:

Name | Type | Description |
---|---|---|

`out` |
vec2 | the receiving vector |

`a` |
vec2 | the vector to transform |

`m` |
mat3 | matrix to transform with |

##### Returns:

out

- Type
- vec2

#### (static) transformMat4(out, a, m) → {vec2}

Transforms the vec2 with a mat4
3rd vector component is implicitly '0'
4th vector component is implicitly '1'

##### Parameters:

Name | Type | Description |
---|---|---|

`out` |
vec2 | the receiving vector |

`a` |
vec2 | the vector to transform |

`m` |
mat4 | matrix to transform with |

##### Returns:

out

- Type
- vec2