Wall::Wall() {
QSharedPointer< point3D<double> > spoint(new point3D<double>());
startPoint = spoint;
QSharedPointer< point3D<double> > epoint(new point3D<double>());
endPoint = epoint;
}
FVec2 EmissionSource::sample(RandomGen &rand) const {
switch (type) {
case Type::point:
return pos;
case Type::rect: {
auto f2 = rand.getFloat2Fast();
return pos + FVec2((f2.first * 2.0f - 1.0f) * param.x, (f2.second * 2.0f - 1.0f) * param.y);
}
case Type::sphere: {
FVec2 spoint(rand.getFloatFast(-1.0f, 1.0f), rand.getFloatFast(-1.0f, 1.0f));
while(spoint.x * spoint.x + spoint.y * spoint.y > 1.0f)
spoint = FVec2(rand.getFloatFast(-1.0f, 1.0f), rand.getFloatFast(-1.0f, 1.0f));
return pos + spoint * param.x;
}
}
return {};
}
