C++ (Cpp) RNG::FUniformRandom Examples

Example #1

File: Grid.cpp Project: rrti/chandra

void Grid::SetForcedFirstScatterPos(Photon& p, const RNG& rng) const {
	cfloat tEdgeMax  = GetMaxOpticalDepth(p);
	cfloat photonWgt = 1.0f - expf(-tEdgeMax);
	cfloat tRunMax   = -logf(1.0f - (rng.FUniformRandom() * photonWgt));

	Integrate(p, tRunMax, IM_FORCED);
}