public TrackNavigationCheckpoint UpdateCurrentCheckpoint(TrackNavigationCheckpoint currentCheckpoint, Vector3 currentPosition)
{
var current = currentCheckpoint;
for (var i = 0; i < MaxSkipCheckpoints; i++)
{
TrackNavigationCheckpoint nextNearest = null;
foreach (var next in current.next)
{
if (next.HasPassed(currentPosition) && (nextNearest == null || next.PointDistance(currentPosition) < nextNearest.PointDistance(currentPosition)))
{
nextNearest = next;
}
}
if (nextNearest != null)
{
current = nextNearest;
}
else
{
break;
}
}
return(current);
}
public static void GenerateCheckpoints()
{
var nav = GameObject.FindObjectOfType <TrackNavigation>();
if (!nav)
{
Debug.LogError("Can't find TrackNavigation instance.");
return;
}
nav.start.next = new List <TrackNavigationCheckpoint>();
nav.start.previous = null;
foreach (var checkpoint in nav.transform.GetComponentsInChildren <TrackNavigationCheckpoint>())
{
if (checkpoint.name.StartsWith("Checkpoint"))
{
DestroyImmediate(checkpoint.gameObject);
}
}
TrackNavigationCheckpoint current = nav.start;
for (var i = 0; i < MaxIterations; i++)
{
var projectedPoint = current.transform.position + (current.transform.forward.normalized * ForwardProjectDistance);
var closestInnerPoint = NearestPointOnBounds(nav.innerBounds, projectedPoint);
var closestOuterPoint = NearestPointOnBounds(nav.outerBounds, projectedPoint);
var midPoint = closestInnerPoint + ((closestOuterPoint - closestInnerPoint) / 2);
// fudge the offset up to make sure we hit the track with the raycast
midPoint.y += VerticalOffset;
RaycastHit trackHit;
if (Physics.Raycast(midPoint, Vector3.down, out trackHit, Mathf.Infinity, LayerMask.GetMask("Track")))
{
midPoint.y = trackHit.point.y + VerticalOffset;
}
else
{
Debug.LogErrorFormat("Failed to locate track under checkpoint {0}", i + 1);
}
var rotation = Quaternion.LookRotation(midPoint - current.transform.position);
current.transform.rotation = rotation;
TrackNavigationCheckpoint next = null;
if (current != nav.start && Vector3.Distance(midPoint, nav.start.transform.position) < ForwardProjectDistance)
{
next = nav.start;
}
else
{
var newCheckpoint = new GameObject();
newCheckpoint.transform.parent = nav.transform;
newCheckpoint.name = "Checkpoint" + (i + 1);
newCheckpoint.transform.position = midPoint;
newCheckpoint.transform.rotation = rotation;
next = (TrackNavigationCheckpoint)newCheckpoint.AddComponent(typeof(TrackNavigationCheckpoint));
next.order = i + 1;
}
next.previous = new List <TrackNavigationCheckpoint> {
current
};
current.next = new List <TrackNavigationCheckpoint> {
next
};
if (next == nav.start)
{
break;
}
current = next;
}
}