Scale a number into a defined range

/ Published in: Ruby
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Scales a number from a given range into a specific range, as explained [in this Stack Overflow]( post.

Just call it, for example like:

0.5.scale_between(0, 1, 100, 200)

The result would be `150`.

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  1. class Numeric
  2. def scale_between(from_min, from_max, to_min, to_max)
  3. ((to_max - to_min) * (self - from_min)) / (from_max - from_min) + to_min
  4. end
  5. end

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