bool IsWater(TileType[,] tiles, int x, int y)
{
if (x < 0 || x > tiles.GetUpperBound(0)) return false;
if (y < 0 || y > tiles.GetUpperBound(1)) return false;
return tiles[x, y] == TileType.Water;
}
bool IsWater(TileType[,] tiles, int x, int y)
{
if (x < 0 || x > tiles.GetUpperBound(0)) return false;
if (y < 0 || y > tiles.GetUpperBound(1)) return false;
return tiles[x, y] == TileType.Water;
}