/// <summary>
/// Detection
/// </summary>
/// <returns> Result of detection</returns>
protected override GestureDetectionResult Detection()
{
// if we are late to detect another tap ignore previous results
if (_TapIntervalTW.IsEnabledAndOver)
{
return(GestureDetectionResult.Failed);
}
// check if tracking touches are valid
for (int i = 0; i < TrackingToucheCount; i++)
{
TouchState touch = GetTrackingToucheByIndex(i);
if (!touch.IsValidFor(this) || (touch.Phase == UnityEngine.TouchPhase.Moved && touch.DeltaPosition.magnitude >= MaxDeltaMovement))
{
return(GestureDetectionResult.Failed);
}
if (_Phases[i] != _DesiredPhase)
{
_Phases[i] = touch.Phase;
}
}
if (IsAllDesiredPhase())
{
if (_DesiredPhase == TouchPhase.Ended)
{
_NumberOfDetectedTap++;
if (_NumberOfDetectedTap == TapCount)
{
OnTap();
return(GestureDetectionResult.Detected);
}
else
{
_TapIntervalTW.Begin(MaxTapInterval);
}
_DesiredPhase = TouchPhase.Began;
}
else if (_DesiredPhase == TouchPhase.Began)
{
_DesiredPhase = TouchPhase.Ended;
}
}
return(GestureDetectionResult.None);
}
/// <summary>
/// Detection
/// </summary>
/// <returns>Result of detection </returns>
protected override GestureDetectionResult Detection()
{
// if we have a time stipulation and we exceeded it stop listening for swipes
if ((Time.time - _StartTime) > _TimeToSwipe)
{
return(GestureDetectionResult.Failed);
}
for (int i = 0; i < FingerCount; i++)
{
TouchState ts = GetTrackingToucheByIndex(i);
if (!ts.IsValidFor(this))
{
return(GestureDetectionResult.Failed);
}
// check the delta move positions. We can rule out at least 2 directions
if (ts.DeltaPosition.x > 0.0f)
{
_SwipeDetectionState &= ~SwipeDirection.Left;
}
if (ts.DeltaPosition.x < 0.0f)
{
_SwipeDetectionState &= ~SwipeDirection.Right;
}
if (ts.DeltaPosition.y < 0.0f)
{
_SwipeDetectionState &= ~SwipeDirection.Up;
}
if (ts.DeltaPosition.y > 0.0f)
{
_SwipeDetectionState &= ~SwipeDirection.Down;
}
}
// Grab the total distance moved in both directions
Vector2 deltaLocation = _StartPoint - TouchLocation();
deltaLocation.x = Mathf.Abs(deltaLocation.x);
deltaLocation.y = Mathf.Abs(deltaLocation.y);
if (CheckForEvent(SwipeDirection.Left, deltaLocation.x, deltaLocation.y)) // left check
{
return(GestureDetectionResult.Detected);
}
else if (CheckForEvent(SwipeDirection.Right, deltaLocation.x, deltaLocation.y)) // right check
{
return(GestureDetectionResult.Detected);
}
else if (CheckForEvent(SwipeDirection.Up, deltaLocation.y, deltaLocation.x)) // up check
{
return(GestureDetectionResult.Detected);
}
else if (CheckForEvent(SwipeDirection.Down, deltaLocation.y, deltaLocation.x)) // down check
{
return(GestureDetectionResult.Detected);
}
return(GestureDetectionResult.None);
}