void Zombie::step() {
Patch* p = patchHere<Patch>();
AgentSet<Patch> nghs = patchHere<Patch>()->neighbors<Patch>();
Patch* winningPatch = nghs.maxOneOf(CountHumansOnPatch());
face(winningPatch);
move(.5);
AgentSet<Human> humans;
turtlesHere(humans);
if (humans.size() > 0) {
Human* human = humans.oneOf();
infect(human);
}
}
void ZombieObserver::gatherPopulation(std::vector<Patch*>& patchSet, T *io_data)
{
GridDimensions dim = grid()->dimensions();
int horizontal_run = dim.extents(0);
std::vector<Patch*>::iterator iter = patchSet.begin();
int lxmin = minPxcor();
int lymin = minPycor();
while ( iter != patchSet.end() ) {
int i = (*iter)->pxCor() - lxmin;
int j = (*iter)->pyCor() - lymin;
AgentSet<AgentType> set;
(*iter)->turtlesOn(set);
io_data[i + j * horizontal_run] = int(set.size());
iter++;
}
}
double operator()(const Patch* patch) const {
AgentSet<Human> set;
patch->turtlesOn(set);
return set.size();
}
