public DynamicWaypoint NextWaypoint(DynamicWaypoint previousWaypoint)
{
if (_connections.Count == 0)
{
//No waypoints? Retrun null and complain.
Debug.LogError("Insufficient waypoint count.");
return(null);
}
else if (_connections.Count == 1 && _connections.Contains(previousWaypoint))
{
//Only one waypoint and its the previous one? Just use that.
return(previousWaypoint);
}
else //Otherwise, find a random one that isn't the precious one.
{
DynamicWaypoint nextWaypoint;
int nextIndex = 0;
do
{
nextIndex = UnityEngine.Random.Range(0, _connections.Count);
nextWaypoint = _connections[nextIndex];
} while (nextWaypoint == previousWaypoint);
return(nextWaypoint);
}
}
private void SetDestination()
{
if (_waypointsVisited > 0)
{
DynamicWaypoint nextWaypoint = _currentWaypoint.NextWaypoint(_previousWaypoint);
_previousWaypoint = _currentWaypoint;
_currentWaypoint = nextWaypoint;
}
Vector3 targetVector = _currentWaypoint.transform.position;
_navMeshAgent.SetDestination(targetVector);
_travelling = true;
}
// Use this for initialization
void Start()
{
_navMeshAgent = this.GetComponent <NavMeshAgent>();
if (_navMeshAgent == null)
{
Debug.LogError("The nav mesh agent component is not attached to " + gameObject.name);
}
else
{
if (_currentWaypoint == null)
{
//Set it at random.
//Grab all waypoint objects in scene.
GameObject[] allWaypoints = GameObject.FindGameObjectsWithTag("Waypoint");
if (allWaypoints.Length > 0)
{
while (_currentWaypoint == null)
{
int random = UnityEngine.Random.Range(0, allWaypoints.Length);
DynamicWaypoint startingWaypoint = allWaypoints[random].GetComponent <DynamicWaypoint>();
//i.e. we found a waypoint.
if (startingWaypoint != null)
{
_currentWaypoint = startingWaypoint;
}
}
}
else
{
Debug.Log("Failed to find any waypoints for use in the scene.");
}
}
else
{
Debug.Log("Insufficient patrol points for basic patrolling behavior.");
}
SetDestination();
}
}
void Start()
{
//Grab all waypoint objects in scene.
GameObject[] AllWaypoints = GameObject.FindGameObjectsWithTag("Waypoint");
//Create a list of waypoints I can refer to later.
_connections = new List <DynamicWaypoint>();
//Check if they're a connected waypoint.
for (int i = 0; i < AllWaypoints.Length; i++)
{
DynamicWaypoint nextWaypoint = AllWaypoints[i].GetComponent <DynamicWaypoint>();
//i.e. we found a waypoint.
if (nextWaypoint != null)
{
if (Vector3.Distance(this.transform.position, nextWaypoint.transform.position) <= _connectivityRadius && nextWaypoint != this)
{
_connections.Add(nextWaypoint);
}
}
}
}