protected BaseBxdf(ref RayHit rh, ref RayData ray, ref Normal ng, ref Normal ns, ref UV texCoord,
MaterialInfo mi, SurfaceTextureInfo texData, bool fromLight)
{
#if VERBOSE
if (ng.Length > 1f || ns.Length > 1f)
{
Console.WriteLine("Normals in bsdf arent normalized");
}
#endif
this.Init(ref rh, ref ray, ref ng, ref ns, ref texCoord, mi, texData, fromLight);
}
internal void Init(ref RayHit rh, ref RayData ray, ref Normal ng, ref Normal ns, ref UV texCoord,
MaterialInfo mi, SurfaceTextureInfo texData, bool fromLight)
{
if (rh.Miss())
{
throw new ArgumentException("RayHit missed geometry!");
}
//if (HitPoint == null)
//{
HitPoint = new HitPointInfo
{
Color = RgbSpectrum.Max(ref mi.Kd, ref mi.Ks),
HitPoint = ray.Point(rh.Distance),
TexCoord = texCoord,
FromDirection = -ray.Dir,
GeoNormal = ng,
ShadingNormal = ns,
FromLight = fromLight
};
//}
//else
//{
// HitPoint.HitPoint = ray.Point(rh.Distance);
// HitPoint.TexCoord = texCoord;
// HitPoint.FromDirection = -ray.Dir;
// HitPoint.GeoNormal = ng;
// HitPoint.ShadingNormal = ns;
// HitPoint.FromLight = fromLight;
//};
this.MaterialInfo = mi;
this.TexData = texData;
if (Frame == null)
this.Frame = new ONB(ref HitPoint.GeoNormal);
else
Frame.SetFromZ(ref HitPoint.GeoNormal);
}
public MatteLambertBrdf(ref RayHit rh, ref RayData ray, ref Normal ng, ref Normal ns, ref UV texCoord, MaterialInfo mi, SurfaceTextureInfo texData, bool fromLight)
: base(ref rh, ref ray, ref ng, ref ns, ref texCoord, mi, texData, fromLight)
{
}
public SpecularReflectionBrdf(ref RayHit rh, ref RayData ray, ref Normal ng, ref Normal ns, ref UV texCoord, MaterialInfo mi, SurfaceTextureInfo texData, bool fromLight)
: base(ref rh, ref ray, ref ng, ref ns, ref texCoord, mi, texData, fromLight)
{
}
