public ConnectedWaypoints NextWaypoint(ConnectedWaypoints previousWaypoint)
{
if (_connections.Count == 0)
{
//no waypoint? return null
Debug.LogError("no waypoints count.");
return(null);
}
else if (_connections.Count == 1 && _connections.Contains(previousWaypoint))
{
//only 1 waypoint and its where we just were? use it
return(previousWaypoint);
}
else // or else find a random one that isnt the last one we were at
{
ConnectedWaypoints nextWaypoint;
int nextIndex = 0;
do
{
nextIndex = UnityEngine.Random.Range(0, _connections.Count);
nextWaypoint = _connections[nextIndex];
} while (nextWaypoint == previousWaypoint);
return(nextWaypoint);
}
}
private void SetDestination()
{
if (_waypointVisited > 0)
{
//find next waypoint
ConnectedWaypoints nextWayponit = _currentWaypoint.NextWaypoint(_previousWaypoint);
_previousWaypoint = _currentWaypoint;
_currentWaypoint = nextWayponit;
}
Vector3 targetVector = _currentWaypoint.transform.position;
_navMeshAgent.SetDestination(targetVector);
_traveling = true;
}
//initilization
public void Start()
{
_navMeshAgent = this.GetComponent <NavMeshAgent>();
if (_navMeshAgent == null)
{
Debug.LogError("the nav mesh agent is not attached to " + gameObject.name);
}
else
{
if (_currentWaypoint == null)
{
//set renadom
//grab all waypoint objects
GameObject[] allWaypoints = GameObject.FindGameObjectsWithTag("Waypoint");
if (allWaypoints.Length > 0)
{
while (_currentWaypoint == null)
{
int random = UnityEngine.Random.Range(0, allWaypoints.Length);
ConnectedWaypoints startingWaypoint = allWaypoints[random].GetComponent <ConnectedWaypoints>();
//i.e. we found waypoint
if (startingWaypoint != null)
{
_currentWaypoint = startingWaypoint;
}
}
}
else
{
Debug.LogError("failed to find any waypoints to use in the scene");
}
}
SetDestination();
}
}
public void Start()
{
//get all waypoints in scene
GameObject[] allWayPoints = GameObject.FindGameObjectsWithTag("Waypoint");
//create list
_connections = new List <ConnectedWaypoints>();
//check if connected
for (int i = 0; i < allWayPoints.Length; i++)
{
ConnectedWaypoints nextWaypoint = allWayPoints[i].GetComponent <ConnectedWaypoints>();
//found waypoint?
if (nextWaypoint != null)
{
if (Vector3.Distance(this.transform.position, nextWaypoint.transform.position) <= _connectivityRadius && nextWaypoint != this)
{
_connections.Add(nextWaypoint);
}
}
}
}