public void AddHitPoint(PPMHitPoint hp)
{
if (this.hitPoints.Count <= MaxHitPoints)
{
this.hitPoints.Add(hp);
#if VERBOSE
if (hitPoints.Count % 1000 == 0)
Tracer.TraceLine("HitPoints -Collected {0} / Needed {1}", hitPoints.Count, MaxHitPoints);
#endif
}
else
{
if (Grid == null)
{
lock (build_lock)
{
Tracer.TraceLine("Start building photons hashgrid");
Grid = new HashGrid(hitPoints, Width, Height);
Grid.ReHash();
Tracer.TraceLine("Complete!");
}
}
}
}
public static void SampleHitPoint(this SampleBuffer sampleBuffer, PPMHitPoint hp, int photonTraced)
{
switch (hp.type)
{
case HitPointType.Constant:
{
sampleBuffer.SplatSample(hp.scrX, hp.scrY,ref hp.throughput);
break;
}
case HitPointType.Surface:
{
var rad = RgbSpectrum.ZeroSpectrum();
if (hp.accumPhotonCount == 0)
{
sampleBuffer.SplatSample(hp.scrX, hp.scrY,ref rad);
}
else
{
float k = 1.0f / (MathLab.M_PI * hp.photonRadius2 * photonTraced);
rad = hp.accumReflectedFlux * k;
sampleBuffer.SplatSample(hp.scrX, hp.scrY, ref rad);
}
break;
}
}
}
