/// <summary>
/// Scales a value by (max - min), then divides it by scale and adds it to min
/// </summary>
/// <param name="scale">An optional scale value for integer types (default 1)</param>
public static T FractionToValue <T> (T fraction, T min, T max, T?scale = null)
where T : struct
{
var range = OperatorCache <T> .Subtract(max, min);
var global = OperatorCache <T> .Multiply(fraction, range);
if (scale != null)
{
global = OperatorCache <T> .Divide(global, scale.Value);
}
return(OperatorCache <T> .Add(min, global));
}
/// <summary>
/// Clamps a value to the range (min, max) then scales it to the range (0, scale)
/// </summary>
/// <param name="scale">An optional scale value for integer types (default 1)</param>
public static T Fraction <T> (T value, T min, T max, T?scale = null)
where T : struct
{
var range = OperatorCache <T> .Subtract(max, min);
var relative = OperatorCache <T> .Subtract(value, min);
if (scale != null)
{
relative = OperatorCache <T> .Multiply(relative, scale.Value);
}
return(OperatorCache <T> .Divide(relative, range));
}