public Interaction(PBRPoint3 po, PBRNormals normal, PBRVector3 err, PBRVector3 w, float t)
{
_time = t;
_normal = new PBRNormals(normal);
_oError = new PBRVector3(err);
wo = new PBRVector3(w);
_p = new PBRPoint3(po);
}
public static PBRNormals FaceForward(PBRNormals a, PBRNormals b)
{
float d = Dot(a, b);
if (d < 0)
{
return(-a);
}
return(-b);
}
public static PBRNormals PBRNormalize(PBRNormals n)
{
return(n / n.Length());
}
public PBRNormals(PBRNormals p) : base(p)
{
}
