# Class: vec4

## vec4

4 Dimensional Vector

## Constructor

Source:

### Methods

#### (static) add(out, a, b) → {vec4}

##### Parameters:
Name Type Description
`out` vec4 the receiving vector
`a` vec4 the first operand
`b` vec4 the second operand
Source:
out
Type
vec4

#### (static) ceil(out, a) → {vec4}

Math.ceil the components of a vec4
##### Parameters:
Name Type Description
`out` vec4 the receiving vector
`a` vec4 vector to ceil
Source:
out
Type
vec4

#### (static) clone(a) → {vec4}

Creates a new vec4 initialized with values from an existing vector
##### Parameters:
Name Type Description
`a` vec4 vector to clone
Source:
a new 4D vector
Type
vec4

#### (static) copy(out, a) → {vec4}

Copy the values from one vec4 to another
##### Parameters:
Name Type Description
`out` vec4 the receiving vector
`a` vec4 the source vector
Source:
out
Type
vec4

#### (static) create() → {vec4}

Creates a new, empty vec4
Source:
a new 4D vector
Type
vec4

#### (static) dist()

Alias for vec4.distance
Source:

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

Calculates the euclidian distance between two vec4's
##### Parameters:
Name Type Description
`a` vec4 the first operand
`b` vec4 the second operand
Source:
##### Returns:
distance between a and b
Type
Number

#### (static) div()

Alias for vec4.divide
Source:

#### (static) divide(out, a, b) → {vec4}

Divides two vec4's
##### Parameters:
Name Type Description
`out` vec4 the receiving vector
`a` vec4 the first operand
`b` vec4 the second operand
Source:
out
Type
vec4

#### (static) dot(a, b) → {Number}

Calculates the dot product of two vec4's
##### Parameters:
Name Type Description
`a` vec4 the first operand
`b` vec4 the second operand
Source:
##### 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` vec4 The first vector.
`b` vec4 The second vector.
Source:
##### Returns:
True if the vectors are equal, false otherwise.
Type
Boolean

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

Returns whether or not the vectors have exactly the same elements in the same position (when compared with ===)
##### Parameters:
Name Type Description
`a` vec4 The first vector.
`b` vec4 The second vector.
Source:
##### Returns:
True if the vectors are equal, false otherwise.
Type
Boolean

#### (static) floor(out, a) → {vec4}

Math.floor the components of a vec4
##### Parameters:
Name Type Description
`out` vec4 the receiving vector
`a` vec4 vector to floor
Source:
out
Type
vec4

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

Perform some operation over an array of vec4s.
##### Parameters:
Name Type Attributes Description
`a` Array the array of vectors to iterate over
`stride` Number Number of elements between the start of each vec4. If 0 assumes tightly packed
`offset` Number Number of elements to skip at the beginning of the array
`count` Number Number of vec4s 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
Source:
a
Type
Array

#### (static) fromValues(x, y, z, w) → {vec4}

Creates a new vec4 initialized with the given values
##### Parameters:
Name Type Description
`x` Number X component
`y` Number Y component
`z` Number Z component
`w` Number W component
Source:
a new 4D vector
Type
vec4

#### (static) inverse(out, a) → {vec4}

Returns the inverse of the components of a vec4
##### Parameters:
Name Type Description
`out` vec4 the receiving vector
`a` vec4 vector to invert
Source:
out
Type
vec4

#### (static) len()

Alias for vec4.length
Source:

#### (static) length(a) → {Number}

Calculates the length of a vec4
##### Parameters:
Name Type Description
`a` vec4 vector to calculate length of
Source:
length of a
Type
Number

#### (static) lerp(out, a, b, t) → {vec4}

Performs a linear interpolation between two vec4's
##### Parameters:
Name Type Description
`out` vec4 the receiving vector
`a` vec4 the first operand
`b` vec4 the second operand
`t` Number interpolation amount between the two inputs
Source:
out
Type
vec4

#### (static) max(out, a, b) → {vec4}

Returns the maximum of two vec4's
##### Parameters:
Name Type Description
`out` vec4 the receiving vector
`a` vec4 the first operand
`b` vec4 the second operand
Source:
out
Type
vec4

#### (static) min(out, a, b) → {vec4}

Returns the minimum of two vec4's
##### Parameters:
Name Type Description
`out` vec4 the receiving vector
`a` vec4 the first operand
`b` vec4 the second operand
Source:
out
Type
vec4

#### (static) mul()

Alias for vec4.multiply
Source:

#### (static) multiply(out, a, b) → {vec4}

Multiplies two vec4's
##### Parameters:
Name Type Description
`out` vec4 the receiving vector
`a` vec4 the first operand
`b` vec4 the second operand
Source:
out
Type
vec4

#### (static) negate(out, a) → {vec4}

Negates the components of a vec4
##### Parameters:
Name Type Description
`out` vec4 the receiving vector
`a` vec4 vector to negate
Source:
out
Type
vec4

#### (static) normalize(out, a) → {vec4}

Normalize a vec4
##### Parameters:
Name Type Description
`out` vec4 the receiving vector
`a` vec4 vector to normalize
Source:
out
Type
vec4

#### (static) random(out, scaleopt) → {vec4}

Generates a random vector with the given scale
##### Parameters:
Name Type Attributes Description
`out` vec4 the receiving vector
`scale` Number <optional>
Length of the resulting vector. If ommitted, a unit vector will be returned
Source:
out
Type
vec4

#### (static) round(out, a) → {vec4}

Math.round the components of a vec4
##### Parameters:
Name Type Description
`out` vec4 the receiving vector
`a` vec4 vector to round
Source:
out
Type
vec4

#### (static) scale(out, a, b) → {vec4}

Scales a vec4 by a scalar number
##### Parameters:
Name Type Description
`out` vec4 the receiving vector
`a` vec4 the vector to scale
`b` Number amount to scale the vector by
Source:
out
Type
vec4

#### (static) scaleAndAdd(out, a, b, scale) → {vec4}

Adds two vec4's after scaling the second operand by a scalar value
##### Parameters:
Name Type Description
`out` vec4 the receiving vector
`a` vec4 the first operand
`b` vec4 the second operand
`scale` Number the amount to scale b by before adding
Source:
out
Type
vec4

#### (static) set(out, x, y, z, w) → {vec4}

Set the components of a vec4 to the given values
##### Parameters:
Name Type Description
`out` vec4 the receiving vector
`x` Number X component
`y` Number Y component
`z` Number Z component
`w` Number W component
Source:
out
Type
vec4

Source:

#### (static) sqrLen()

Alias for vec4.squaredLength
Source:

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

Calculates the squared euclidian distance between two vec4's
##### Parameters:
Name Type Description
`a` vec4 the first operand
`b` vec4 the second operand
Source:
##### Returns:
squared distance between a and b
Type
Number

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

Calculates the squared length of a vec4
##### Parameters:
Name Type Description
`a` vec4 vector to calculate squared length of
Source:
##### Returns:
squared length of a
Type
Number

#### (static) str(a) → {String}

Returns a string representation of a vector
##### Parameters:
Name Type Description
`a` vec4 vector to represent as a string
Source:
##### Returns:
string representation of the vector
Type
String

#### (static) sub()

Alias for vec4.subtract
Source:

#### (static) subtract(out, a, b) → {vec4}

Subtracts vector b from vector a
##### Parameters:
Name Type Description
`out` vec4 the receiving vector
`a` vec4 the first operand
`b` vec4 the second operand
Source:
out
Type
vec4

#### (static) transformMat4(out, a, m) → {vec4}

Transforms the vec4 with a mat4.
##### Parameters:
Name Type Description
`out` vec4 the receiving vector
`a` vec4 the vector to transform
`m` mat4 matrix to transform with
Source:
out
Type
vec4

#### (static) transformQuat(out, a, q) → {vec4}

Transforms the vec4 with a quat
##### Parameters:
Name Type Description
`out` vec4 the receiving vector
`a` vec4 the vector to transform
`q` quat quaternion to transform with
Source:
out
Type
vec4