public Spectrum GetIlluminance(Vector direction, MVertexIlluminanceMode mode, MVertexIlluminanceApproximationMode approximationMode)
{
Spectrum result = new Spectrum(0);
if (Face.Material.Reflectance is DiffuseReflectanceMaterial)
{
if (mode == MVertexIlluminanceMode.Full || mode == MVertexIlluminanceMode.Direct)
{
result += IlluminanceDirect[0];
}
if (mode == MVertexIlluminanceMode.Full || mode == MVertexIlluminanceMode.Indirect)
{
result += IlluminanceIndirect[0];
}
}
else
{
switch (approximationMode)
{
case MVertexIlluminanceApproximationMode.Spline:
result = GetIlluminanceBySpline(direction, mode);
break;
case MVertexIlluminanceApproximationMode.SphericalHarmonics:
result = GetIlluminanceBySphericalHarmonics(direction, mode);
break;
default:
throw new NotImplementedException();
}
}
/*
* if ( result.R < 0 )
* {
* //return new Spectrum();
* return new Spectrum( 1, 0, 0 );
* }
*/
return(result);
}
public Spectrum GetIlluminance(Point3D point, MVertexIlluminanceMode mode, MVertexIlluminanceApproximationMode approximationMode)
{
return(GetIlluminance(new Vector(Point, point, true), mode, approximationMode));
}
