void Awake()
{
if (_instance == null)
{
_instance = this;
}
else if (_instance != this)
{
Destroy(this);
}
}
void PlaceCoins(Coordinate deadEnd)
{
var treasurePositions = RoomSearch.FloodSearch(tileTypeMap, width, deadEnd.ToPosition(width, height), TileType.Walkable, TileType.SpikeTrap);
TreasureChest.Spawn(treasurePositions, width);
}