/// Creates vertex that corresponds to Tile if Tile is not null.
/// Gets all availabile neighbouring tiles of this Tile.
/// Connects the Vertex of the current Tile with the vertex of each available (for building) neighbouring Tile
/// if they aren't already connected. This is done by adding an Edge between them.
public void CreateGraph(BaseTile tile)
{
if (tile == null)
{
return;
}
tile.CreateVertex();
List <BaseTile> neighbours = GameWorld.Instance.GetAvailableNeighbours(tile);
foreach (BaseTile neighbour in neighbours)
{
if (tile.IsConnected(neighbour))
{
continue;
}
neighbour.CreateVertex();
AddEdge(tile, neighbour, cost);
}
}