public Transform GetWaypointTransform()
{
// if we have no waypoint transform already 'in the system' then we need to grab one
if (currentWaypointTransform == null)
{
currentWaypointNum = 0;
currentWaypointTransform = waypointManager.GetWaypoint(currentWaypointNum);
}
return(currentWaypointTransform);
}
public void SetWayController(Waypoints_Controller aControl)
{
myWayControl = aControl;
aControl = null;
// grab total waypoints
totalWaypoints = myWayControl.GetTotal();
// make sure that if you use SetReversePath to set shouldReversePathFollowing that you
// call SetReversePath for the first time BEFORE SetWayController, otherwise it won't set the first waypoint correctly
if (shouldReversePathFollowing)
{
currentWaypointNum = totalWaypoints - 1;
}
else
{
currentWaypointNum = 0;
}
Init();
// get the first waypoint from the waypoint controller
currentWaypointTransform = myWayControl.GetWaypoint(currentWaypointNum);
if (startAtFirstWaypoint)
{
// position at the currentWaypointTransform position
myTransform.position = currentWaypointTransform.position;
}
}
public void SetWayController(Waypoints_Controller aControl)
{
if (aControl == null)
{
return;
}
myWayControl = aControl;
// grab total waypoints
totalWaypoints = myWayControl.GetTotal();
if (shouldReversePathFollowing)
{
currentWaypointNum = totalWaypoints - 1;
}
else
{
currentWaypointNum = 0;
}
if (myWayControl.Closed)
{
loopPath = true;
}
else
{
loopPath = false;
}
Init();
// get the first waypoint from the waypoint controller
currentWaypointTransform = myWayControl.GetWaypoint(currentWaypointNum);
if (startAtFirstWaypoint)
{
// position at the currentWaypointTransform position
myTransform.position = currentWaypointTransform.position;
}
}
private void UpdateWaypoints()
{
// If we don't have a waypoint controller, we safely drop out
if (myWayControl == null)
{
return;
}
if (reachedLastWaypoint && destroyAtEndOfWaypoints)
{
// destroy myself(!)
Destroy(gameObject);
return;
}
else if (reachedLastWaypoint)
{
currentWaypointNum = 0;
reachedLastWaypoint = false;
}
// because of the order that scripts run and are initialised, it is possible for this function
// to be called before we have actually finished running the waypoints initialization, which
// means we need to drop out to avoid doing anything silly or before it breaks the game.
if (totalWaypoints == 0)
{
// grab total waypoints
totalWaypoints = myWayControl.GetTotal();
}
if (currentWaypointTransform == null)
{
// grab our transform reference from the waypoint controller
currentWaypointTransform = myWayControl.GetWaypoint(currentWaypointNum);
return;
}
// now we check to see if we are close enough to the current waypoint
// to advance on to the next one
myPosition = myTransform.position;
myPosition.z = 0;
// get waypoint position and 'flatten' it
nodePosition = currentWaypointTransform.position;
nodePosition.z = 0;
// check distance from this to the waypoint
currentWayDist = Vector3.Distance(nodePosition, myPosition);
if (currentWayDist < waypointDistance)
{
// we are close to the current node, so let's move on to the next one!
if (shouldReversePathFollowing)
{
currentWaypointNum--;
// now check to see if we have been all the way around
if (currentWaypointNum < 0)
{
// just incase it gets referenced before we are destroyed, let's keep it to a safe index number
currentWaypointNum = 0;
// completed the route!
reachedLastWaypoint = true;
// if we are set to loop, reset the currentWaypointNum to 0
if (loopPath)
{
currentWaypointNum = totalWaypoints - 1;
// grab our transform reference from the waypoint controller
currentWaypointTransform = myWayControl.GetWaypoint(currentWaypointNum);
// the route keeps going in a loop, so we don't want reachedLastWaypoint to ever become true
reachedLastWaypoint = false;
}
// drop out of this function before we grab another waypoint into currentWaypointTransform, as
// we don't need one and the index may be invalid
return;
}
}
else
{
currentWaypointNum++;
// now check to see if we have been all the way around
if (currentWaypointNum >= totalWaypoints)
{
// completed the route!
reachedLastWaypoint = true;
// if we are set to loop, reset the currentWaypointNum to 0
if (loopPath)
{
currentWaypointNum = 0;
// grab our transform reference from the waypoint controller
currentWaypointTransform = myWayControl.GetWaypoint(currentWaypointNum);
// the route keeps going in a loop, so we don't want reachedLastWaypoint to ever become true
reachedLastWaypoint = false;
}
// drop out of this function before we grab another waypoint into currentWaypointTransform, as
// we don't need one and the index may be invalid
return;
}
}
// grab our transform reference from the waypoint controller
currentWaypointTransform = myWayControl.GetWaypoint(currentWaypointNum);
}
}