private void Start()
{
nodeDiameter = nodeRadius * 2;
gridSizeX = Mathf.RoundToInt(dungeonGrid.GetDungeonSize().min);
gridSizeY = Mathf.RoundToInt(dungeonGrid.GetDungeonSize().max);
ConstructGrid();
PlaceStart();
PlaceHealthpacksInRooms();
PlaceEnemiesInRooms();
}