public void Sample(VolumeMaterialInfo info, float distance, ref RayData ray, out VolumeHitData vhd)
{
var pt = ray.Point(distance);
var n3d = //NoiseProvider.Instance.Noise(pt.x, pt.y, pt.z);
NoiseProvider.Instance.Turbulence(pt.x, pt.y, pt.z, 6);
var t3d = NoiseProvider.Instance.Turbulence(pt.x, pt.y, pt.z, 4);
// Sample texture info.Density
vhd = new VolumeHitData()
{
IoR = info.MediumInfo.IoR,
Emittance = info.Outscattering*t3d,
Absorbance = info.Absorbtion*n3d,
Scattering = ((info.Inscattering + info.Absorbtion) * t3d) / info.Inscattering,
Density = 0.05f//NoiseProvider.Instance.Noise(pt.x,pt.y,pt.z),
};
}
public void SampleVolume(ref RayHit hit, ref RayData ray, out VolumeHitData vhd)
{
var currentTriangleIndex = (int)hit.Index;
var meshMatID = scene.GetMeshByTriangleIndex(currentTriangleIndex).MaterialID;
var volumeMaterialInfo = vm.GetMaterialInfo(meshMatID);
vmSampler.Sample(volumeMaterialInfo, hit.Distance, ref ray, out vhd);
}