Creative Code Toolkit

This library is my personal collection of helper functions in creative coding, revolving around modulation, array functions, random numbers, etc.

Functions

mapRange(v, a, b, c, d)

Map v in range [a, b] to range [c, d]

| Param | Type |
| --- | --- |
| v | Number |
| a | Number |
| b | Number |
| c | Number |
| d | Number |

sinMap(v, div, a, b)

Map the output sin(v / div) to the range [a, b]

| Param | Type |
| --- | --- |
| v | Number |
| div | Number |
| a | Number |
| b | Number |

cosMap(v, div, a, b)

Map the output cos(v / div) to the range [a, b]

| Param | Type |
| --- | --- |
| v | Number |
| div | Number |
| a | Number |
| b | Number |

wrapValue(v, m, M)

if v is greater than M or less than m, wrap the value around to stay in this range

| Param | Type |
| --- | --- |
| v | Number |
| m | Number |
| M | Number |

deepArrayCopy(a)

Return a deep copy array a

| Param | Type |
| --- | --- |
| a | Array.<any> |

genArray(s)

Create an array of size s

| Param | Type |
| --- | --- |
| s | Number |

get1dY(i, rowLength)

Get the Y component of a 1d array containing 2d data when the index is i

| Param | Type |
| --- | --- |
| i | Number |
| rowLength | Number |

get1dX(i, rowLength)

Get the X component of a 1d array containing 2d data when the index is i

| Param | Type |
| --- | --- |
| i | Number |
| rowLength | Number |

choose(a)

pick a random element from the array a

| Param | Type |
| --- | --- |
| a | Array.<any> |

rndB(a, b)

Random number in range [a, b]

| Param | Type |
| --- | --- |
| a | Number |
| b | Number |

rndIntB(a, b)

Random integer in range [a, b]

| Param | Type |
| --- | --- |
| a | Number |
| b | Number |

polute()

Polutes the global scope with unnamespaced functions