30-seconds-of-code/snippets/mapNumRange.md

title, tags, cover, firstSeen, lastUpdated

title	tags	cover	firstSeen	lastUpdated
Map number to range	math	blog_images/clutter.jpg	2019-02-23T12:38:16+02:00	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.

const mapNumRange = (num, inMin, inMax, outMin, outMax) =>
  ((num - inMin) * (outMax - outMin)) / (inMax - inMin) + outMin;

mapNumRange(5, 0, 10, 0, 100); // 50