/// <summary>
/// Add given TouchState to list of tracking touches and start track this touch
/// </summary>
/// <param name="ts">TouchState to track</param>
protected void TrackTouch(TouchState ts)
{
_TrackingTouches.Add(ts);
}
protected override void Update()
{
if (Global.IsGamePaused || Global.CutSceneEnable)
{
return;
}
UpdateBoundary();
_MaxOffset = (RenderArea.width + RenderArea.height) * 0.2f;
if (_Touch != null)
{
if (_Touch.Phase == TouchPhase.Canceled || _Touch.Phase == TouchPhase.Ended)
{
if (_Touch.IsLockedBy(this))
{
_Touch.UnLock(this);
}
_Touch = null;
_Delta = Vector3.zero;
HorizontalAxis = 0;
VerticalAxis = 0;
RoundedHorizontalAxis = 0;
RoundedVerticalAxis = 0;
}
}
if (_Touch == null && InputManager.Instance != null)
{
foreach (var item in InputManager.Instance.GetFreeTouches(TouchPhase.Began, _Boundary))
{
_Touch = item;
_Touch.Lock(this);
_Delta = Vector3.zero;
if (Free)
{
StartPosition = _Touch.Position;
}
else
{
StartPosition = RenderArea.center;
}
break;
}
}
if (_Touch != null)
{
if (Free)
{
RenderArea.x = StartPosition.x - RenderArea.width * 0.5f;
RenderArea.y = StartPosition.y - RenderArea.height * 0.5f;
}
if (Free)
{
_Delta += _Touch.DeltaPosition;
}
else
{
_Delta = _Touch.Position - RenderArea.center;
}
_Delta.x = Mathf.Clamp(_Delta.x, -_MaxOffset, _MaxOffset);
_Delta.y = Mathf.Clamp(_Delta.y, -_MaxOffset, _MaxOffset);
HorizontalAxis = _Delta.x / _MaxOffset;
VerticalAxis = _Delta.y / _MaxOffset;
RoundedHorizontalAxis = Round(HorizontalAxis, HorizontalRoundThreshold);
RoundedVerticalAxis = Round(VerticalAxis, VerticalRoundThreshold);
}
else
{
HorizontalAxis = 0;
VerticalAxis = 0;
RoundedHorizontalAxis = 0;
RoundedVerticalAxis = 0;
}
base.Update();
}
/// <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);
}