//public RgbSpectrum Sample_f(ref Vector wo, out Vector wi,
// BxDFType flags = BxDFType.BSDF_ALL,
// BxDFType? sampledType = null)
//{
//}
public void Add(BxDF bxdf)
{
this.bxdfs.Add(bxdf);
}
public static bool MatchesFlags(BxDF obj, BxDFTypes flags)
{
return (flags & obj.type).Equals(flags) || (flags & obj.type).Equals(obj.type);
}