public SpecularReflection(Spectrum r, Fresnel f) : base(BxDFType.BSDF_REFLECTION | BxDFType.BSDF_SPECULAR)
{
}
override public Spectrum Sample_f(Vector wo, Vector wi, float u1, float u2, float pdf)
{
Spectrum f = brdf.Sample_f(wo, wi, u1, u2, pdf); wi = BSDFFunction.otherHemisphere(wi); return(new Spectrum());
}
public ScaledBxdf(BxDF b, Spectrum sc) : base(b.type)
{
bxdf = b;
s = sc;
}
/// <summary>
/// Spectrum Lerp
/// </summary>
/// <param name="t"></param>
/// <param name="s1"></param>
/// <param name="s2"></param>
/// <returns></returns>
static public Spectrum Lerp(float t, Spectrum s1, Spectrum s2)
{
return((1.0f - t) * s1 + t * s2);
}
