private void OnTriggerEnter2D(Collider2D collision)
{
//Check if triggering object is a valid target
VisibleTarget target = collision.GetComponent <VisibleTarget>();
//If a valid target enters the detection range, add them to valid targets
if (target && targetChoosing.priorities.Contains(target.type))
{
targetsInRange.Add(target);
Debug.Log(target.gameObject.name + " entered range");
}
}
public VisibleTarget CheckForTarget()
{
//Scan for each eye and combine results into one hashset
HashSet <VisibleTarget> visibleTargets = new HashSet <VisibleTarget>();
foreach (Detection detector in detectors)
{
visibleTargets.UnionWith(detector.ScanForTargets());
}
//If current target is no longer visible, set current target to null
if (!visibleTargets.Contains(currentTarget))
{
currentTarget = null;
}
//If no valid visible targets were found, set current target to null
if (visibleTargets.Count == 0)
{
currentTarget = null;
}
else
{
//Iterate through list of target types from most to least important
foreach (VisibleTarget.TargetType type in priorities)
{
//If the current target is of the type, stop iterating
if (currentTarget && currentTarget.type == type)
{
break;
}
//Iterate through all visible targets
foreach (VisibleTarget target in visibleTargets)
{
//Choose the first target of the type as current target and stop iteration
if (target.type == type)
{
currentTarget = target;
break;
}
}
}
}
return(currentTarget);
}
private void OnTriggerExit2D(Collider2D collision)
{
//Check if triggering object is a valid target
VisibleTarget target = collision.GetComponent <VisibleTarget>();
//If a valid target exits the detection range, remove them from valid targets
if (target && targetsInRange.Contains(target))
{
targetsInRange.Remove(target);
Debug.Log(target.gameObject.name + " is out of range");
}
//Also remove them from actually visible targets
if (target && seenTargets.Contains(target))
{
seenTargets.Remove(target);
}
}
// Update is called once per frame
void Update()
{
if (targetCheckTimer <= 0)
{
currentTarget = targetChoosing.CheckForTarget();
}
else
{
targetCheckTimer -= Time.deltaTime;
}
if (currentTarget)
{
float targetDirection = -Mathf.Sign(transform.position.x - currentTarget.transform.position.x);
movement.SetVelocityX(targetDirection, true);
}
else
{
movement.SetVelocityX(0, true);
}
}
