void Refresh()
{
if (activationStrategy == ActivationStrategy.OnlyClosestZone)
{
var newClosest = InfZone.ClosestZone(transform.position, zones);
if (newClosest != closest)
{
if (closest)
{
closest.Freeze();
}
newClosest.Unfreeze();
closest = newClosest;
}
}
else if (activationStrategy == ActivationStrategy.AllZonesWithinDistance)
{
foreach (var zone in zones)
{
float distance = Vector3.Distance(transform.position, zone.transform.position);
if (distance < distanceThreshold)
{
zone.Unfreeze();
}
else
{
zone.Freeze();
}
}
}
}
/// <summary>
/// Alters the activity status of the actor's GameObject.
/// If the status is changed from it's previous value the approperiate callback is called (FixAfterFreeze / FixAfterUnfreeze).
/// </summary>
public void SetActive(bool newActiveStatus, InfZone zone)
{
if (!isActiveAndEnabled && newActiveStatus)
{
FixAfterUnfreeze(zone);
}
else if (isActiveAndEnabled && !newActiveStatus)
{
FixAfterFreeze(zone);
}
gameObject.SetActive(newActiveStatus);
}
/// <summary>
/// The correct way to move an actor from its current Zone to another one.
/// </summary>
public void TransferToZone(InfZone newZone)
{
if (zone == newZone)
{
return; // Already in that zone
}
if (zone != null)
{
zone.RemoveActor(this);
}
newZone.AddActor(this);
zone = newZone;
SetActive(!zone.frozen, zone);
}
public static InfZone ClosestZone(Vector3 position, InfZone[] zones)
{
if (zones.Length == 0)
{
throw new UnityException("No zones to choose from");
}
float minimum = float.MaxValue;
InfZone closest = null;
foreach (var zone in zones)
{
float distance = Vector3.Distance(position, zone.transform.position);
if (distance < minimum)
{
minimum = distance;
closest = zone;
}
}
return(closest);
}
public void TransferToClosestZone()
{
TransferToZone(InfZone.ClosestZone(transform.position, zones));
}
public void FixAfterFreeze(InfZone zone)
{
onFreeze(zone);
}
public void FixAfterUnfreeze(InfZone zone)
{
onUnfreeze(zone);
}
public void Unfreeze(InfZone zone)
{
float t = distanceTravelledWhileFrozen / Vector3.Distance(freezePosition, target);
transform.position = Vector3.Lerp(freezePosition, target, t);
}
public void Freeze(InfZone zone)
{
distanceTravelledWhileFrozen = 0;
freezePosition = transform.position;
}
public void UpdateWhileFrozen(InfZone zone)
{
distanceTravelledWhileFrozen += Time.deltaTime * 2f;
}