A* Pathfinding Project  4.1.2
The A* Pathfinding Project for Unity 3D
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PatrolExample.cs

Simple patrol behavior.This will set the destination on the agent so that it moves through the sequence of objects in the targets array.

See Also
Pathfinding.Patrol
Version
Tested in the A* Pathfinding Project 4.1.0
using UnityEngine;
using System.Collections;
using Pathfinding;
public class PatrolExample : MonoBehaviour {
public Transform[] targets;
int index;
IAstarAI agent;
void Awake () {
agent = GetComponent<IAstarAI>();
}
void Update () {
if (targets.Length == 0) return;
bool search = false;
// Check if the agent has reached the current target.
// We must check for 'pathPending' because otherwise we might
// detect that the agent has reached the *previous* target
// because the new path has not been calculated yet.
if (agent.targetReached && !agent.pathPending) {
index = index + 1;
search = true;
}
// Wrap around to the start of the targets array if we have reached the end of it
index = index % targets.Length;
agent.destination = targets[index].position;
// Immediately calculate a path to the target.
// Note that this needs to be done after setting the destination.
if (search) agent.SearchPath();
}
}