public Tracer(Construction construction, IMaterial ambient, IRandomFactory randomFactory,
IHemispherecalSamplerFactory samplerFactory, double maxRadiance)
{
this.construction = construction;
this.ambient = ambient;
this.randomFactory = randomFactory;
this.sampler = samplerFactory.makeSampler();
this.maxRadiance = maxRadiance;
this.DEFAULT_FILTER = (t) => false;
}
public static Vector3D sampleWi(Vector3D n, IHemispherecalSampler sampler, IRandomFactory randomFactory)
{
Vector3D x, y;
MathUtil.generateXYFromZ(n, out x, out y);
Vector3D sample = sampler.sample(randomFactory);
Vector3D wi = sample.X * x + sample.Y * y + sample.Z * n;
wi.Normalize();
return(wi);
}
public HemiSamplerFactory()
{
this.sampler = new SimpleHemispherecalSampler();
}
