private List<Head> GroupHeadPylons()
{
List<Head> heads = new List<Head>();
for (int gridRow = 1; gridRow < _GridRows - 1; gridRow++) {
for (int gridCol = 1; gridCol < _GridCols - 1; gridCol++) {
PylonGroup pylonGroup = new PylonGroup();
GroupHeadPylon(gridRow, gridCol, ref pylonGroup);
if (pylonGroup.PylonCount > 0) {
Head head = pylonGroup.ToHead();
heads.Add(head);
}
}
}
return heads;
}
private void GroupHeadPylon(int gridRow, int gridCol, ref PylonGroup pylonGroup)
{
Pylon pylon = _Grid[gridRow, gridCol];
if (!pylon.IsHead || pylon.IsGrouped)
return;
pylonGroup.Register(pylon);
GroupHeadPylon(gridRow - 1, gridCol, ref pylonGroup);
GroupHeadPylon(gridRow + 1, gridCol, ref pylonGroup);
GroupHeadPylon(gridRow, gridCol - 1, ref pylonGroup);
GroupHeadPylon(gridRow, gridCol + 1, ref pylonGroup);
}
