static void PlaceRandomObstacles()
{
int targetCount = (int)(room.tileCount * settings.obstaclePercent);
int currentCount = 0;
bool[,] obstacleMap = new bool[room.size.x, room.size.y];
for (int i = 0; i < targetCount; i++)
{
Coord randomCoord = openCoords.Next();
obstacleMap[randomCoord.x, randomCoord.y] = true;
currentCount++;
if (randomCoord != room.center && (room.tileCount - currentCount)
== GetAccessibleCount(room.center, obstacleMap))
{
InstantiateObstacle(randomCoord);
openCoords.Remove(randomCoord);
}
else
{
obstacleMap[randomCoord.x, randomCoord.y] = false;
currentCount--;
}
}
}
public void SetTile(int x, int y, ITile tile)
{
// change openTiles list if necessary
if (tiles[x, y] == null || tiles[x, y].type != tile.type)
{
Coord c = new Coord(x, y);
if (tile.type == TileType.Empty)
{
openTiles.Add(c);
}
else
{
openTiles.Remove(c);
}
}
tiles[x, y] = tile;
}
