void Update()
{
// Determine whether to emit a new waypoint...
if (Time.time > lastTimeEmitted + frequency)
{
// Enough time has passed since previous waypoint.
if (Vector3.Distance(transform.position, lastPositionEmitted) > distanceThreshold)
{
// Enough distance from previous waypoint.
GameObject wp = (GameObject)Instantiate(wpPrefab, transform.position + wpOffset, transform.rotation);
DroneDynamicWaypoint wpScript = wp.GetComponent <DroneDynamicWaypoint>();
Debug.Assert(wpScript != null);
wpScript.autoDelete = this.autoDelete;
wpScript.expiration = Time.time + this.wpLifetime;
wpScript.targetEmitter = this;
MeshRenderer mr = wp.GetComponent <MeshRenderer>();
Debug.Assert(mr != null);
mr.enabled = wpVisible;
wpList.Add(wp);
AssertSequence();
//Debug.Log (gameObject.name + " emitted waypoint that expires at " + wpScript.expiration);
lastTimeEmitted = Time.time;
lastPositionEmitted = transform.position;
}
}
}
/*
* Traverse the waypoint list as a sanity check that they are in order of expiration time.
*/
private void AssertSequence()
{
float prevExpiration = 0;
float thisExpiration;
foreach (GameObject wp in wpList)
{
DroneDynamicWaypoint wpScript = wp.GetComponent <DroneDynamicWaypoint>();
thisExpiration = wpScript.expiration;
Debug.Assert(thisExpiration > prevExpiration);
prevExpiration = thisExpiration;
}
}
