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Add unInterpolateLinear to FastMath class #1104

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Merged
1 commit merged into from Jun 1, 2019
Merged

Add unInterpolateLinear to FastMath class #1104

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12 changes: 12 additions & 0 deletions jme3-core/src/main/java/com/jme3/math/FastMath.java
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Original file line number Diff line number Diff line change
Expand Up @@ -992,4 +992,16 @@ public static short convertFloatToHalf(float flt) {
| ((((f & 0x7f800000) - 0x38000000) >> 13) & 0x7c00)
| ((f >> 13) & 0x03ff));
}

/**
* Converts a range of min/max to a 0-1 range.
* @param value the value between min-max (inclusive).
* @param min the minimum of the range.
* @param max the maximum of the range.
* @return A value between 0-1 if the given value is between min/max.
*/
public static float unInterpolateLinear(float value, float min, float max) {
return (value - min) / (max - min);
}

}