void HexGrid::markNeighborBelow(Hexagon *h)
{
Coord c = h->neighborCoord(3);
Hexagon *neighbor = getHexagon(c);
neighbor->setDenseNeighbor(0);
if (neighbor->dense() && !neighbor->possibleRoot())
m_pos_roots.erase(neighbor);
}
// A debugging function that can be used to make a particular hexagon
// dense.
void HexGrid::addDenseHexagon(int x, int y)
{
Hexagon *h = getHexagon(x, y);
if (!h->dense())
{
h->setCount(m_dense_limit);
h->setDense();
m_miny = std::min(m_miny, h->y() - 1);
if (h->possibleRoot())
m_pos_roots.insert(h);
markNeighborBelow(h);
}
}
void HexGrid::addPoint(Point p)
{
Hexagon *h = findHexagon(p);
if (!h->dense())
{
h->increment();
if (dense(h))
{
h->setDense();
m_miny = std::min(m_miny, h->y() - 1);
if (h->possibleRoot())
{
m_pos_roots.insert(h);
}
markNeighborBelow(h);
}
}
}
void HexGrid::addPoint(Point p)
{
if (m_width < 0)
{
m_sample.push_back(p);
if (m_sample.size() >= m_maxSample)
processSample();
return;
}
Hexagon *h = findHexagon(p);
h->increment();
if (!h->dense())
{
if (dense(h))
{
h->setDense();
m_miny = std::min(m_miny, h->y() - 1);
if (h->possibleRoot())
m_pos_roots.insert(h);
markNeighborBelow(h);
}
}
}