public static Material CreateDiffuseSpecular(ColorProbability diffuseProbabilities, ColorProbability specularProbabilities)
{
var drdgdb = diffuseProbabilities.SumComponents();
var srsgsb = specularProbabilities.SumComponents();
var pReflect = ColorProbability.MaxOfAdditions(diffuseProbabilities, specularProbabilities);
var pDiffuse = pReflect * drdgdb / (drdgdb + srsgsb);
return(new Material(
diffuseProbabilities,
specularProbabilities,
ColorProbability.Zero,
pDiffuse,
pReflect - pDiffuse,
Probability.Zero,
PhongBRDF(diffuseProbabilities, specularProbabilities),
Light.None,
RefractiveIndex.Vacuum
));
}
public static Material CreateRefractive(
ColorProbability specularProbabilities,
ColorProbability refractiveProbabilities,
RefractiveIndex refractiveIndex
)
{
var sr = specularProbabilities.Red;
var sg = specularProbabilities.Green;
var sb = specularProbabilities.Blue;
var rr = refractiveProbabilities.Red;
var rg = refractiveProbabilities.Green;
var rb = refractiveProbabilities.Blue;
var pReflect = ColorProbability.MaxOfAdditions(specularProbabilities, refractiveProbabilities);
var pRefract = ColorProbability.ProportionOfAdditions(specularProbabilities, refractiveProbabilities);
return(new Material(
ColorProbability.Zero, specularProbabilities, refractiveProbabilities,
Probability.Zero, pReflect, pRefract,
PhongBRDF(ColorProbability.Zero, specularProbabilities),
Light.None, refractiveIndex
));
}
