20 lines
426 B
Markdown
20 lines
426 B
Markdown
---
|
|
title: mapNumRange
|
|
tags: math,beginner
|
|
firstSeen: 2019-02-23T12:38:16+02:00
|
|
lastUpdated: 2020-10-21T21:54:53+03:00
|
|
---
|
|
|
|
Maps a number from one range to another range.
|
|
|
|
- Return `num` mapped between `outMin`-`outMax` from `inMin`-`inMax`.
|
|
|
|
```js
|
|
const mapNumRange = (num, inMin, inMax, outMin, outMax) =>
|
|
((num - inMin) * (outMax - outMin)) / (inMax - inMin) + outMin;
|
|
```
|
|
|
|
```js
|
|
mapNumRange(5, 0, 10, 0, 100); // 50
|
|
```
|