public void ThreadProc()
{
Vector3D surfaceDirection = new Vector3D();
for (int i = start; i <= stop; i++)
{
Photon p = mainInstance.getPhoton(i);
p.accumPower = new RGBColor();
p.surfaceToCartesian(surfaceDirection);
mainInstance.radianceEstimate(p.accumPower, p.position, surfaceDirection, maxDist, noPhotons);
p.precomputedIrradiance = true;
}
// signal!
lock (this)
{
done = true;
}
}
public virtual void locatePhotonsPrecomputed(Vector3D normal, NearestPhotons np, int index)
{
double dist1, dist2;
Photon p = getPhoton(index);
if (index < halfStoredPhotons)
{
dist1 = np.position.get(p.plane) - p.position.get(p.plane);
if (dist1 > 0.0)
{
// if dist1 is positive search right plane
locatePhotonsPrecomputed(normal, np, (2 * index) + 1);
if (dist1 * dist1 < np.dist2[0])
{
locatePhotonsPrecomputed(normal, np, (2 * index));
}
}
else
{
// dist1 is negative search left first
locatePhotonsPrecomputed(normal, np, (2 * index));
if (dist1 * dist1 < np.dist2[0])
{
locatePhotonsPrecomputed(normal, np, (2 * index) + 1);
}
}
}
// compute squared distance between current photon and np.position
dist2 = p.position.distanceSqr(np.position);
//assert(p.precomputedIrradiance);
//assert(np.max == 1);
Vector3D surfaceDirection = new Vector3D();
p.surfaceToCartesian(surfaceDirection);
//System.out.println(normal.dot(surfaceDirection));
if (dist2 < np.dist2[0] && normal.dot(surfaceDirection) > 0.0)
{
// we found a photon :) Insert it in the candidate list
if (np.found < 1)
{
// heap is not full; use array
np.found++;
np.dist2[np.found] = dist2;
np.indices[np.found] = index;
}
else
{
// exchange element if necessary
if (np.dist2[0] > dist2)
{
np.dist2[1] = dist2;
np.indices[1] = index;
np.dist2[0] = dist2;
}
}
}
}