public override void VisitFeature(MaterialGeneratorContext context)
{
var shaderSource = new ShaderMixinSource();
shaderSource.Mixins.Add(new ShaderClassSource("MaterialSurfaceShadingSpecularCelShading"));
if (RampFunction != null)
{
shaderSource.AddComposition("celLightFunction", RampFunction.Generate(context));
}
if (Fresnel != null)
{
shaderSource.AddComposition("fresnelFunction", Fresnel.Generate());
}
if (Visibility != null)
{
shaderSource.AddComposition("geometricShadowingFunction", Visibility.Generate());
}
if (NormalDistribution != null)
{
shaderSource.AddComposition("normalDistributionFunction", NormalDistribution.Generate());
}
context.AddShading(this, shaderSource);
}
public static void fresnel_cos_values_test()
//****************************************************************************80
//
// Purpose:
//
// FRESNEL_COS_VALUES_TEST tests FRESNEL_COS_VALUES.
//
// Licensing:
//
// This code is distributed under the GNU LGPL license.
//
// Modified:
//
// 12 June 2007
//
// Author:
//
// John Burkardt
//
{
double fx = 0;
double x = 0;
Console.WriteLine("");
Console.WriteLine("FRESNEL_COS_VALUES_TEST:");
Console.WriteLine(" FRESNEL_COS_VALUES stores values of");
Console.WriteLine(" the Fresnel cosine integral C(X).");
Console.WriteLine("");
Console.WriteLine(" X C(X)");
Console.WriteLine("");
int n_data = 0;
for (;;)
{
Fresnel.fresnel_cos_values(ref n_data, ref x, ref fx);
if (n_data == 0)
{
break;
}
Console.WriteLine(" "
+ x.ToString(CultureInfo.InvariantCulture).PadLeft(12) + " "
+ fx.ToString("0.################").PadLeft(24) + "");
}
}
public virtual void Visit(MaterialGeneratorContext context)
{
var shaderSource = new ShaderMixinSource();
shaderSource.Mixins.Add(new ShaderClassSource("MaterialSurfaceShadingSpecularMicrofacet"));
if (Fresnel != null)
{
shaderSource.AddComposition("fresnelFunction", Fresnel.Generate());
}
if (Visibility != null)
{
shaderSource.AddComposition("geometricShadowingFunction", Visibility.Generate());
}
if (NormalDistribution != null)
{
shaderSource.AddComposition("normalDistributionFunction", NormalDistribution.Generate());
}
context.AddShading(this, shaderSource);
}
public ReflectiveMaterial(SampledSpectrum spectrum = null, Fresnel fresnel = null)
{
_specular = new SpecularReflection(1, spectrum ?? SampledSpectrum.Random());
}
public MicrofacetReflection(TrowbridgeReitzDistribution distribution, Fresnel fresnel, RgbColor tint)
{
this.distribution = distribution;
this.fresnel = fresnel;
this.tint = tint;
}
