Full source for the simple AI written in the get started guide .It should be attached to a GameObject with a Seeker and a CharacterController also attached.
using UnityEngine;
using Pathfinding;
public class AstarAI : MonoBehaviour {
public Transform targetPosition;
private Seeker seeker;
private CharacterController controller;
public Path path;
public float speed = 2;
public float nextWaypointDistance = 3;
private int currentWaypoint = 0;
public float repathRate = 0.5f;
private float lastRepath = float.NegativeInfinity;
public void Start () {
seeker = GetComponent<Seeker>();
controller = GetComponent<CharacterController>();
}
public void OnPathComplete (Path p) {
Debug.Log("A path was calculated. Did it fail with an error? " + p.error);
p.Claim(this);
if (!p.error) {
if (path != null) path.Release(this);
path = p;
currentWaypoint = 0;
} else {
p.Release(this);
}
}
public void Update () {
if (Time.time > lastRepath + repathRate && seeker.IsDone()) {
lastRepath = Time.time;
seeker.StartPath(transform.position, targetPosition.position, OnPathComplete);
}
if (path == null) {
return;
}
if (currentWaypoint > path.vectorPath.Count) return;
if (currentWaypoint == path.vectorPath.Count) {
Debug.Log("End Of Path Reached");
currentWaypoint++;
return;
}
Vector3 dir = (path.vectorPath[currentWaypoint] - transform.position).normalized;
Vector3 velocity = dir * speed;
controller.SimpleMove(velocity);
if ((transform.position-path.vectorPath[currentWaypoint]).sqrMagnitude < nextWaypointDistance*nextWaypointDistance) {
currentWaypoint++;
return;
}
}
}