object randome movement with navmesh
public float wanderRadius;
public float wanderTimer;
private Transform target;
private NavMeshAgent agent;
private float timer;
// Use this for initialization
void OnEnable () {
agent = GetComponent<NavMeshAgent> ();
timer = wanderTimer;
}
// Update is called once per frame
void Update () {
timer += Time.deltaTime;
if (timer >= wanderTimer) {
Vector3 newPos = RandomNavSphere(transform.position, wanderRadius, -1);
agent.SetDestination(newPos);
timer = 0;
}
}
public static Vector3 RandomNavSphere(Vector3 origin, float dist, int layermask) {
Vector3 randDirection = Random.insideUnitSphere * dist;
randDirection += origin;
NavMeshHit navHit;
NavMesh.SamplePosition (randDirection, out navHit, dist, layermask);
return navHit.position;
}