31 December 2019

Math - Interpolating a value

Here's how to interpolate a value from one range to another:

Range 1: 100.....550.....1000
Range 2: 300..... x .....3000

This formula will do it:

public static float Interpolate(this float value, float minValue, float maxValue, float minScale, float maxScale) =>
  (((value - minValue) / (maxValue - minValue)) * (maxScale - minScale)) + minScale;

float x = 550.Interpolate(100, 1000, 300, 3000); //x = 1650

Try it

Range 1
Range 2 ...

See also

Scaling a value

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