/// <summary>
/// Shows multiple points at the same time and animates their blinking.
/// </summary>
private IEnumerator CalibrateDirectional_Arrows(int fromIndex, int toIndex)
{
timeSinceLastPoint = 0;
direction = fromIndex > toIndex ? -1 : 1;
if (useDirectionArrows && leftArrows && rightArrows)
{
leftArrows.SetBool("IsOn", direction > 0);
rightArrows.SetBool("IsOn", direction < 0);
}
int i = fromIndex;
while (i != toIndex)
{
Debug.Log("waiting for point " + i);
SLAMInitializationGazePoint pCurrent = _points[i];
pCurrent.direction = -direction;
pCurrent.allowGazing = true;
pCurrent.Init();
pCurrent.Activate(true);
currentTarget = pCurrent.r.transform;
// wait until this point is detected (looked at for a minimum time set in the point prefab)
while (pCurrent.isActive)
{
Debug.DrawLine(Vector3.zero, pCurrent.r.transform.position, Color.green);
// check for early-out if slam calibration is fully done already
if (CheckForSLAMInitComplete())
{
timeSinceLastPoint = 0;
yield break;
}
timeSinceLastPoint += Time.unscaledDeltaTime;
yield return(null);
}
timeSinceLastPoint = 0;
i += direction;
}
// wait for points to fade out
}
/// <summary>
/// Activates a single (invisible) point at a time and moves that around to have the user look at it.
/// </summary>
IEnumerator CalibrateDirectional_SinglePoint(int fromIndex, int toIndex)
{
timeSinceLastPoint = 0;
direction = fromIndex > toIndex ? -1 : 1;
leftArrows.SetBool("IsOn", direction > 0);
rightArrows.SetBool("IsOn", direction < 0);
int i = fromIndex;
while (i != toIndex)
{
SLAMInitializationGazePoint pCurrent = _points[0];
// set point rotation
var angle = Mathf.Lerp(fromAngle, toAngle, (float)i / (stepCountHalfCircle * 2 + 1));
pCurrent.transform.localRotation = Quaternion.Euler(0, angle, 0);
// set up point for gazing
pCurrent.direction = -direction;
pCurrent.allowGazing = true;
pCurrent.Init();
pCurrent.Activate(true);
currentTarget = pCurrent.r.transform;
// wait until point has been gazed at for long enough
while (pCurrent.isActive)
{
// check for early-out if slam calibration is fully done already
if (CheckForSLAMInitComplete())
{
timeSinceLastPoint = 0;
yield break;
}
timeSinceLastPoint += Time.unscaledDeltaTime;
yield return(null);
}
timeSinceLastPoint = 0;
i += direction;
}
}