/// <summary>
/// Adds a node to the nodemap
/// If no object is selected it adds it and makes it a neighbor of the last node in the map
/// If an object is selected, but that object is not a node it does the same as above
/// If an object is selected and it is a node it adds the node as a neighbor to the selected node
/// </summary>
private void OnAddNode()
{
if (GUILayout.Button("Add Node"))
{
map.UpdateAllNodes(false);
spawnPoint = map.transform.position;
spawnOffset = new Vector3(5f, 0f, 0);
Node newNode;
// If the user is not selecting a node when adding a node then it will be neighbored to the last node added to the list
if (selectedNodes == null || selectedNodes.Count == 0)
{
Debug.Log("A node is not selected");
if (map.NodeList.Count > 0)
{
spawnPoint = map.NodeList[map.NodeList.Count - 1].transform.position;
newNode = map.AddNode(spawnPoint + spawnOffset);
}
else
{
spawnPoint = map.transform.position;
newNode = map.AddNode(spawnPoint + spawnOffset);
}
if (map.NodeList.Count > 1)
{
map.AddNeighbor(newNode, map.NodeList[map.NodeList.Count - 2]);
}
}
else
{
Debug.Log("A node is selected");
// If the user is selecting a node when adding a node then make the new node the neighbor of the currently selected node
spawnPoint = selectedNodes[0].transform.position;
newNode = map.AddNode(spawnPoint + spawnOffset);
map.AddNeighbor(newNode, selectedNodes[0]);
}
}
}