void SceneObject::sumEnergyToSingleEnergy()
{
if (this->isVolumetric() && countHashGrid)
{
countHashGrid->sumEnergyToSingleEnergy();
return;
}
totalEnergy = energyDensity[getTriangleNum() - 1];
for (int i = getTriangleNum() - 1; i >= 1; i--)
energyDensity[i] -= energyDensity[i - 1];
}
void SceneObject::singleEnergyToSumEnergy()
{
if (this->isVolumetric() && countHashGrid)
{
countHashGrid->singleEnergyToSumEnergy();
return;
}
for (int i = 1; i < getTriangleNum(); i++)
energyDensity[i] += energyDensity[i - 1];
totalEnergy = energyDensity[getTriangleNum() - 1];
}
void SceneObject::preprocessOtherSampler()
{
totalEnergy = 0.f;
energyDensity.clear();
energyDensity.resize(getTriangleNum());
for (int i = 0; i < getTriangleNum(); i++)
{
energyDensity[i] = 0.f;
areaValues.push_back(getTriangleArea(i));
}
}
void AbstractObject::prepareForSurfaceSampling(){
float areaValue = 0;
for(uint i = 0; i < getTriangleNum(); i++){
areaValue += getTriangleArea(i);
areaThreshold.push_back(areaValue);
}
boundArea = areaValue;
}
void SceneObject::preprocessEmissionSampler()
{
totalArea = weight = 0.f;
for(unsigned k=0; k<getTriangleNum(); k++)
{
totalArea += getTriangleArea(k);
areaValues.push_back(totalArea);
}
weight = totalArea;
}
void SceneObject::scaleEnergyDensity(const float scale)
{
if (this->isVolumetric() && countHashGrid)
{
countHashGrid->scaleEnergyDensity(scale);
return;
}
totalEnergy *= scale;
for (int i = 0; i < getTriangleNum(); i++)
energyDensity[i] *= scale;
}
