// Neighboring square with food on it, if any (but only "far enough" from the nest)
protected ZSquare squareWithFood(ZSquare excluded1, ZSquare excluded2) {
for (ZSquare s : cells) {
if (!s.isNest() && !s.isNextToNest() && s != excluded1 && s != excluded2 && s.hasFood())
return s;
}
return null;
}
protected boolean isNextToNest() {
return here.isNextToNest();
}