// Add neighbours and make sure that we just add the reference if the node already exists in the graph.
private void AddNeighbours(SceneNode node, string[] neighbours)
{
for (int i = 0; i < neighbours.Length; i++)
{
string neighbourName = neighbours[i];
SceneNode neighbour = GetNode(neighbourName);
if (neighbour == null)
{
// Create new one
neighbour = new SceneNode(neighbourName);
_nodes.Add(neighbour);
}
node.AddNeighbour(neighbour);
}
}
