interpolation/Rescale/FloatFixed

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/LSL

Interpolation/Rescale/FloatFixed

Summary

Function: float fSclFix( float from_min, float from_max, float to_min, float to_max, float from );

Rescales a value from one range to another range.

The value is also clamped between the range.
Returns a float

• float	from_min	–	Minimum of range From
• float	from_max	–	Maximum of range From
• float	to_min	–	Minimum of range To
• float	to_max	–	Maximum of range To
• float	from	–	Value in range From

Specification

<lsl>float fSclFix(float from_min, float from_max, float to_min, float to_max, float from) {

   from = to_min + ((to_max-to_min) * ((from_min-from) / (from_min-from_max)));
   if(to_min < to_max) {
       if(from < to_min) from = to_min; else if(from > to_max) from = to_max;
   } else {
       if(from < to_max) from = to_max; else if(from > to_min) from = to_min;
   }
   return from;

} // Released into public domain. By Nexii Malthus.</lsl>

Examples

<lsl>float value = fSclFix(0.0, 1.0, -5, 15, 0.6); // value == 7</lsl>