/// <summary>
/// Make sure the query target is set up before highlighting it.
/// </summary>
private void HighlightTarget()
{
if (CurrentTarget == null)
{
ProceedToNextTarget();
}
CurrentTarget.SetActive(true);
HighlightTarget(highlightColor);
}
/// <summary>
/// Proceed to the next target. If the end is reached, fire an event that the target group has been fully
/// iterated and restart the scene.
/// </summary>
private void ProceedToNextTarget()
{
Debug.Log("[TargetGroupIterator] >> Next target: " + currTargetIndex + " / " + nrOfTargetsToSelect);
ResetAmountOfTries();
Fire_OnTargetSelected();
if (currTargetIndex < nrOfTargetsToSelect - 1)
{
// 1. Let's reset the highlight for the last target.
HideHighlights();
// 2. If "DisableDistractors" is true then let's hide the selected target
if (DeactiveDistractors)
{
CurrentTarget.SetActive(false);
}
// 3. Let's update to highlight the new target.
currTargetIndex++;
ShowHighlights();
}
else // At the end
{
// Fire an event to inform listeners that all targets have been iterated through.
Fire_OnAllTargetsSelected();
// Play some audio feedback (e.g., a cheerful applause).
AudioFeedbackPlayer.Instance.PlaySound(AudioApplauseOnFinish);
// If a scene is given, reload the scene after a short timeout.
if (SceneToLoadOnFinish != "")
{
StartCoroutine(EyeTrackingDemoUtils.LoadNewScene(SceneToLoadOnFinish, 0.1f));
}
}
}
/// <summary>
/// Finds the reticle closest to the center of the screen
/// </summary>
/// <returns>The reticle whose average anchors are closest to (0.5, 0.5)</returns>
public void GetClosestTarget()
{
Target result = CurrentTarget;
float closestDistance = float.MaxValue;
foreach (Target t in Targets)
{
float distance = Vector3.Angle(transform.forward, t.transform.position - transform.position);
if (t != CurrentTarget && distance < closestDistance)
{
result = t;
closestDistance = distance;
}
}
if (CurrentTarget != null && CurrentTarget != result)
{
CurrentTarget.SetActive(false);
}
if (result != null && result != CurrentTarget)
{
result.SetActive(true);
}
CurrentTarget = result;
}