somekit.vec — org.clojars.some/somekit 0.2.9

A collection of vector functions. Vectors are treated both like collections and directions.

add cljs

(add v1 v2)

adds two vectors of same dimension together

add-scalar cljs

(add-scalar v scalar)

Adds a scalar to a vector

angle cljs

(angle v)

Returns angle of a 2D vector

angle-between cljs

(angle-between v1 v2)

Calculates the angle between two 2D Vectors using angle difference.

average cljs

(average v)

calculates the average of the vector

distance cljs

(distance v1 v2)

Calculates distance between two vectors of same dimension

div cljs

(div v1 v2)

Divides one vector by another. Both must be same dimension.

div-scalar cljs

(div-scalar v scalar)

Divides vector by a scalar

dot cljs

(dot v1 v2)

Dot product of two vectors

dx->x cljs

(dx->x list start)

from-angle cljs

(from-angle theta)

Returns a 2D unit vector with given angle

from-polar cljs

(from-polar theta radius)

Returns a 2D vector from polar coordinates

indexed cljs

(indexed coll)

pairs each element in a collection as an indexed tuple and return as vector

length cljs

(length v)

Returns the length of a vector of any dimension.

lerp cljs

(lerp v1 v2 t)

Lerps between two vectors

limit cljs

(limit v l)

If vector v is bigger than limit l, vector gets scaled to l.

mat-trans cljs

(mat-trans mat)

Rotates an ND matrix (vec of vecs)

mul cljs

(mul v1 v2)

Multiplied two vectors of same dimensions

mul-scalar cljs

(mul-scalar v scalar)

Multiplies vector by a scalar

normalize cljs

(normalize v)

Returns a vector of any dimension normalized

normalize-range cljs

(normalize-range list)

Divides every element in vector by total sum

pad cljs

(pad vector value)

(pad vector value pad-size)

pads start and end of vector with value and pad size

pad-end cljs

(pad-end vector value)

(pad-end vector value pad-size)

pads end of vector with value and pad size

pad-start cljs

(pad-start vector value)

(pad-start vector value pad-size)

pads start of vector with value and pad size

pad-wrap cljs

(pad-wrap vector)

pads start of vector with end and end of vector with start

random cljs

(random N)

(random N f)

Returns a random vector of N dimension. Values between 0 and 1. An optional second argument can be given as another RNG function.

random-polar cljs

(random-polar)

(random-polar f)

Returns a 2D vector from a random angle and radius between 0 and 1. An optional second argument can be given as another RNG function.

random-replace cljs

(random-replace vec value)

(random-replace vec value f)

Replace random element in vector with a value

random10 cljs

(random10 N)

(random10 N f)

Returns a vector of size N of random 1s and 0s. An optional second argument can be given as another RNG function.

range-fill cljs

(range-fill vec start stop value)

fill range of elements in vector with value

range-replace cljs

(range-replace vec value position)

replace elements of vector with another set at given position

restv cljs

(restv col)

returns the rest of a collection as a vector

rotate cljs

(rotate v theta)

rotates a 2D vector by an angle

select cljs

(select v a b)

Returns the selection of a vector from index a to and including index b.

set-length cljs

(set-length v l)

Returns the vector v with given length l.

split cljs

(split v i)

Return two collections split from a vector with i as the index starting the second group.

sub cljs

(sub v1 v2)

Substracts 2 vectors of same dimension

sub-scalar cljs

(sub-scalar v scalar)

Subtracts scalar from vector

sum cljs

(sum v)

Returns the sum of all elements in a vector

vec2 cljs

(vec2 value)

Creates a 2d vector of given value

vec3 cljs

(vec3 value)

Creates a 3d vector of given value

vec4 cljs

(vec4 value)

Creates a 4d vector of given value

vecn cljs

(vecn value n)

Creates an n-dimensional vector of given value

zeros cljs

(zeros n)

Creates an n-dimensional vector of zeroes