// Adds all trees that are adjacent to a burning cell to the list of cells to burn
private void SpreadFire(Cell cell)
{
foreach (Cell neighbour in cell.FindNeighbours())
{
if (neighbour.GetStatus() == '&')
{
cellsToBurn.Add(neighbour);
}
}
}
// Only used in the calculation of NumberOfIslands()
// Change all trees in the island to empty cells
private void WipeNeighbours(Cell cell)
{
cell.SetStatus(' ');
foreach (Cell neighbour in cell.FindNeighbours())
{
if (neighbour.GetStatus() == '&')
{
WipeNeighbours(neighbour);
}
}
}
