/// <summary>Construct light attenuation parameters.</summary>
/// <param name="method"></param>
/// <param name="start"></param>
/// <param name="end"></param>
/// <param name="distanceFunction"></param>
public LightLengthAttenuation(LightAttenuation method, Length start, Length end, LightDistanceFunction distanceFunction)
: this()
{
Method = method;
Start = start;
End = end;
DistanceFunction = distanceFunction;
}
/// <summary>Create light attenuation parameters from metres.</summary>
/// <param name="method"></param>
/// <param name="startMetres"></param>
/// <param name="endMetres"></param>
/// <param name="distanceFunction"></param>
/// <returns></returns>
public static LightLengthAttenuation Metres(LightAttenuation method, double startMetres, double endMetres, LightDistanceFunction distanceFunction = LightDistanceFunction.Sphere)
{
return(new LightLengthAttenuation(method, Length.Metres(startMetres), Length.Metres(endMetres), distanceFunction));
}
