private void Update()
{
if (path == null)
{
path = gameObject.GetComponent <ASPath>();
}
}
private LocalTile[,] tileData; // A local copy of the mapGrid tiles, with added costs, heuristics etc.
// Use this for initialization
void Start()
{
path = gameObject.AddComponent <ASPath>(); // Create a path attached to this game object
tileData = new LocalTile[mapGrid.tiles.GetLength(0), mapGrid.tiles.GetLength(1)]; // Allocate size of local tileData array
for (int x = 0; x < mapGrid.tiles.GetLength(0); x++) // Loop through mapGrid tiles
{
for (int y = 0; y < mapGrid.tiles.GetLength(1); y++)
{
tileData[x, y] = new LocalTile(mapGrid.tiles[x, y]); // Create a new localTile
tileData[x, y].pathNode = Instantiate(nodeType); // Spawn a PathNode prefab object to be associated with the tile
tileData[x, y].pathNode.transform.parent = mapGrid.transform; // Assign this PathNode as a child of the MapGrid (To not clog up the heirarchy)
tileData[x, y].pathNode.transform.position = tileData[x, y].tile.position; // Move this PathNode to the position of the tile
}
}
}
private float waitTime = 0.0f; // How long the agent has been stopped for.
private void Start()
{
if (path == null)
{
path = gameObject.GetComponent <ASPath>();
}
// Return error and stop application from running if both loop and loopBackwards are true
if (loop && loopBackwards)
{
Debug.LogError("Path follower error: loop and loopBackwards cannot both be true!");
UnityEditor.EditorApplication.isPlaying = false;
}
if (startAtClosest) // If the agent should start at the closest node as opposed to the first node.
{
currentNode = findClosestNode(); // Set the current node to the closest one
}
}
/// <summary>
/// Draws each path node and the path between them when selected in Editor.
/// </summary>
private void OnSceneGUI()
{
ASPath path = (ASPath)target; // Path object in game
float nodeSize = 0.5f;
Handles.color = Color.white; // Set colour to green
if (path.nodes.Count == 0)
{
return;
}
for (int i = 0; i < path.nodes.Count - 1; i++) // Loop through all nodes except last one
{
Handles.SphereHandleCap(i, path.nodes[i].transform.position, Quaternion.Euler(0.0f, 0.0f, 0.0f), nodeSize, EventType.Repaint); // Draw sphere
Handles.DrawLine(path.nodes[i].transform.position, path.nodes[i + 1].transform.position); // Draw a line from this node to the next one
}
Handles.SphereHandleCap(path.nodes.Count, path.nodes[path.nodes.Count - 1].transform.position, Quaternion.Euler(0.0f, 0.0f, 0.0f), nodeSize, EventType.Repaint); // Draw sphere
}
