public ConnectedWaypoint NextWaypoint(ConnectedWaypoint previousWaypoint)
{
if (_connections.Count == 0)
{
Debug.LogError("Insufficient waypoint count");
return(null);
}
else if (_connections.Count == 1 && _connections.Contains(previousWaypoint))
{
return(previousWaypoint);
}
else
{
ConnectedWaypoint 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)
{
ConnectedWaypoint nextWaypoint = _currentWaypoint.NextWaypoint(_previousWaypoint);
_previousWaypoint = _currentWaypoint;
_currentWaypoint = nextWaypoint;
}
Vector3 targetVector = _currentWaypoint.transform.position;
_navMeshAgent.SetDestination(targetVector);
_travelling = true;
}
// Use this for initialization
void Start()
{
//get all waypoints
GameObject[] allWaypoints = GameObject.FindGameObjectsWithTag("Waypoint");
//create a list of waypoints
_connections = new List <ConnectedWaypoint>();
//check to see if they are a connected waypoint
for (int i = 0; i < allWaypoints.Length; i++)
{
ConnectedWaypoint nextWaypoint = allWaypoints[i].GetComponent <ConnectedWaypoint>();
if (nextWaypoint != null)
{
if (Vector3.Distance(this.transform.position, nextWaypoint.transform.position) <= _connectivityRadius && nextWaypoint != this)
{
_connections.Add(nextWaypoint);
}
}
}
}
// 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)
{
GameObject[] allWaypoints = GameObject.FindGameObjectsWithTag("Waypoint");
if (allWaypoints.Length > 0)
{
while (_currentWaypoint == null)
{
int random = UnityEngine.Random.Range(0, allWaypoints.Length);
ConnectedWaypoint startingWaypoint = allWaypoints[random].GetComponent <ConnectedWaypoint>();
if (startingWaypoint != null)
{
_currentWaypoint = startingWaypoint;
}
}
}
else
{
Debug.LogError("Failed to find any waypoints for use in the scene");
}
}
SetDestination();
}
}