private static void SpreadTo(int i, int x, int y)
{
if (x != (i % sizeX))
{
throw new System.Exception();
}
if (y != (i / sizeX))
{
throw new System.Exception();
}
cells[i] = CELL_CLAIM;
var spread = default(Spread);
if (spreadCount >= spreads.Count)
{
spread = new Spread(); spreads.Add(spread);
}
else
{
spread = spreads[spreadCount];
}
spreadCount += 1;
spread.i = i;
spread.x = x;
spread.y = y;
currentIsland.AddPixel(minX + x, minY + y);
}
private static void TryFeather(Island island, int x, int y)
{
if (x >= 0 && y >= 0 && x < sizeX && y < sizeY)
{
var i = x + y * sizeX;
if (cells[i] == CELL_EMPTY)
{
cells[i] = CELL_CLAIM;
island.AddPixel(x, y);
}
}
else
{
island.AddPixel(x, y);
}
}