protected override GestureRecognitionState OnRecognize(DragGesture gesture, FingerGestures.IFingerList touches)
{
if (touches.Count != RequiredFingerCount)
{
// fingers were lifted off
if (touches.Count < RequiredFingerCount)
{
return(GestureRecognitionState.Ended);
}
return(GestureRecognitionState.Failed);
}
if (RequiredFingerCount >= 2 && ApplySameDirectionConstraint && touches.AllMoving() && !touches.MovingInSameDirection(0.35f))
{
return(GestureRecognitionState.Failed);
}
gesture.Position = touches.GetAveragePosition();
gesture.LastDelta = gesture.DeltaMove;
gesture.DeltaMove = gesture.Position - gesture.LastPos;
// if we are currently moving, or we were still moving last frame (allows listeners to detect when the finger is stationary when MoveDelta = 0)...
if (gesture.DeltaMove.sqrMagnitude > 0 || gesture.LastDelta.sqrMagnitude > 0)
{
gesture.LastPos = gesture.Position;
}
RaiseEvent(gesture);
return(GestureRecognitionState.InProgress);
}
protected override GestureRecognitionState OnRecognize(PointCloudGesture gesture, FingerGestures.IFingerList touches)
{
if (touches.Count != RequiredFingerCount)
{
// fingers lifted off?
if (touches.Count < RequiredFingerCount)
{
// recognize
if (RecognizePointCloud(gesture))
{
return(GestureRecognitionState.Recognized);
}
return(GestureRecognitionState.Failed);
}
return(GestureRecognitionState.Failed);
}
// update current gesture position
gesture.Position = touches.GetAveragePosition();
Vector2 lastSamplePos = gesture.RawPoints[gesture.RawPoints.Count - 1].Position;
// check if we should take a new sample
float dist = Vector2.SqrMagnitude(gesture.Position - lastSamplePos);
if (dist > MinDistanceBetweenSamples * MinDistanceBetweenSamples)
{
int strokeId = 0;
gesture.RawPoints.Add(new Point(strokeId, gesture.Position));
}
return(GestureRecognitionState.InProgress);
}
protected override GestureRecognitionState OnRecognize(PointCloudGesture gesture, FingerGestures.IFingerList touches)
{
if (touches.Count != RequiredFingerCount)
{
// fingers lifted off?
if (touches.Count < RequiredFingerCount)
{
// recognize
if (RecognizePointCloud(gesture))
{
return(GestureRecognitionState.Recognized);
}
return(GestureRecognitionState.Failed);
}
return(GestureRecognitionState.Failed);
}
// update current gesture position
gesture.Position = touches.GetAveragePosition();
float minSampleDelta = FingerGestures.GetAdjustedPixelDistance(MinDistanceBetweenSamples);
Vector2 lastSamplePos = gesture.RawPoints[gesture.RawPoints.Count - 1].Position;
// check if we should take a new sample
if (Vector2.SqrMagnitude(gesture.Position - lastSamplePos) > minSampleDelta * minSampleDelta)
{
int strokeId = 0; //TODO increment this after each finger up>down
gesture.RawPoints.Add(new Point(strokeId, gesture.Position));
}
return(GestureRecognitionState.InProgress);
}
protected override GestureState OnActive(FingerGestures.IFingerList touches)
{
if (touches.Count != RequiredFingerCount)
{
// fingers were lifted off
if (touches.Count < RequiredFingerCount)
{
RaiseOnDragEnd();
return(GestureState.Recognized);
}
return(GestureState.Failed);
}
Position = touches.GetAveragePosition();
MoveDelta = Position - lastPos;
if (MoveDelta.sqrMagnitude > 0)
{
RaiseOnDragMove();
lastPos = Position;
}
return(GestureState.InProgress);
}
protected override GestureState OnActive(FingerGestures.IFingerList touches)
{
if (touches.Count != RequiredFingerCount)
{
// all fingers lifted - fire the tap event
if (touches.Count == 0)
{
RaiseOnTap();
return(GestureState.Recognized);
}
// either lifted off some fingers or added some new ones
return(GestureState.Failed);
}
// check if the gesture timed out
if (MaxDuration > 0 && ElapsedTime > MaxDuration)
{
return(GestureState.Failed);
}
// check if finger moved too far from start position
float sqrDist = Vector3.SqrMagnitude(touches.GetAveragePosition() - StartPosition);
if (sqrDist >= MoveTolerance * MoveTolerance)
{
return(GestureState.Failed);
}
return(GestureState.InProgress);
}
protected override void OnBegin(FingerGestures.IFingerList touches)
{
Position = touches.GetAveragePosition();
StartPosition = Position;
lastTapTime = Time.time;
startTime = Time.time;
}
protected override void OnBegin(FingerGestures.IFingerList touches)
{
Position = touches.GetAveragePosition();
StartPosition = Position;
direction = FingerGestures.SwipeDirection.None;
startTime = Time.time;
}
protected override GestureState OnActive(FingerGestures.IFingerList touches)
{
if (touches.Count != RequiredFingerCount)
{
// fingers were lifted off
if (touches.Count < RequiredFingerCount)
{
if (direction != FingerGestures.SwipeDirection.None)
{
if (OnSwipe != null)
{
OnSwipe(this);
}
return(GestureState.Recognized);
}
}
return(GestureState.Failed);
}
Position = touches.GetAveragePosition();
Move = Position - StartPosition;
float distance = Move.magnitude;
// didnt move far enough
if (distance < MinDistance)
{
return(GestureState.InProgress);
}
float elapsedTime = Time.time - startTime;
if (elapsedTime > 0)
{
velocity = distance / elapsedTime;
}
else
{
velocity = 0;
}
// we're going too slow
if (velocity < MinVelocity)
{
return(GestureState.Failed);
}
FingerGestures.SwipeDirection newDirection = FingerGestures.GetSwipeDirection(Move.normalized, DirectionTolerance);
// we went in a bad direction
if (!IsValidDirection(newDirection) || (direction != FingerGestures.SwipeDirection.None && newDirection != direction))
{
return(GestureState.Failed);
}
direction = newDirection;
return(GestureState.InProgress);
}
GestureRecognitionState RecognizeSingleTap(TapGesture gesture, FingerGestures.IFingerList touches)
{
if (touches.Count != RequiredFingerCount)
{
// all fingers lifted - fire the tap event
if (touches.Count == 0)
{
return(GestureRecognitionState.Recognized);
}
// either lifted off some fingers or added some new ones
return(GestureRecognitionState.Failed);
}
if (HasTimedOut(gesture))
{
return(GestureRecognitionState.Failed);
}
// check if finger moved too far from start position
float sqrDist = Vector3.SqrMagnitude(touches.GetAveragePosition() - gesture.StartPosition);
if (sqrDist >= MoveTolerance * MoveTolerance)
{
return(GestureRecognitionState.Failed);
}
return(GestureRecognitionState.InProgress);
}
protected override void OnBegin(FingerGestures.IFingerList touches)
{
Position = touches.GetAveragePosition();
StartPosition = Position;
lastTapTime = Time.time;
//Debug.Log( this + " OnBegin @ " + StartPosition );
}
protected override void OnBegin(PointCloudGesture gesture, FingerGestures.IFingerList touches)
{
gesture.StartPosition = touches.GetAverageStartPosition();
gesture.Position = touches.GetAveragePosition();
gesture.RawPoints.Clear();
gesture.RawPoints.Add(new Point(0, gesture.Position));
}
protected override void OnBegin(DragGesture gesture, FingerGestures.IFingerList touches)
{
gesture.Position = touches.GetAveragePosition();
gesture.StartPosition = touches.GetAverageStartPosition();
gesture.DeltaMove = gesture.Position - gesture.StartPosition;
gesture.LastDelta = Vector2.zero;
gesture.LastPos = gesture.Position;
}
protected override void OnBegin(SwipeGesture gesture, FingerGestures.IFingerList touches)
{
gesture.StartPosition = touches.GetAverageStartPosition();
gesture.Position = touches.GetAveragePosition();
gesture.Move = Vector3.zero;
gesture.MoveCounter = 0;
gesture.Deviation = 0;
gesture.Direction = FingerGestures.SwipeDirection.None;
}
protected override void OnBegin(FingerGestures.IFingerList touches)
{
Position = touches.GetAveragePosition();
StartPosition = Position;
MoveDelta = Vector2.zero;
lastPos = Position;
RaiseOnDragBegin();
}
protected override void OnBegin(SwipeGesture gesture, FingerGestures.IFingerList touches)
{
gesture.StartPosition = touches.GetAverageStartPosition();
gesture.Position = touches.GetAveragePosition();
gesture.Move = Vector3.zero;
gesture.MoveCounter = 0;
gesture.Deviation = 0;
gesture.Direction = FingerGestures.SwipeDirection.None;
//Debug.Log( "BeginSwipe: " + EventMessageName + " touches.Count=" + FingerGestures.Touches.Count );
}
protected override GestureRecognitionState OnRecognize(SwipeGesture gesture, FingerGestures.IFingerList touches)
{
if (touches.Count != RequiredFingerCount)
{
// more fingers were added - fail right away
if (touches.Count > RequiredFingerCount)
{
return(GestureRecognitionState.Failed);
}
//
// fingers were lifted-off
//
// didn't swipe far enough
if (FingerGestures.GetAdjustedPixelDistance(gesture.Move.magnitude) < Mathf.Max(1, MinDistance))
{
return(GestureRecognitionState.Failed);
}
// get approx swipe direction
gesture.Direction = FingerGestures.GetSwipeDirection(gesture.Move);
return(GestureRecognitionState.Recognized);
}
Vector2 previousMotion = gesture.Move;
gesture.Position = touches.GetAveragePosition();
gesture.Move = gesture.Position - gesture.StartPosition;
float distance = FingerGestures.GetAdjustedPixelDistance(gesture.Move.magnitude);
// moved too far
if (MaxDistance > MinDistance && distance > MaxDistance)
{
//Debug.LogWarning( "Too far: " + distance );
return(GestureRecognitionState.Failed);
}
if (gesture.ElapsedTime > 0)
{
gesture.Velocity = distance / gesture.ElapsedTime;
}
else
{
gesture.Velocity = 0;
}
// we're going too slow
if (gesture.MoveCounter > 2 && gesture.Velocity < MinVelocity)
{
//Debug.LogWarning( "Too slow: " + gesture.Velocity );
return(GestureRecognitionState.Failed);
}
/*
* FingerGestures.SwipeDirection newDirection = FingerGestures.GetSwipeDirection( Move.normalized, DirectionTolerance );
*
* // we went in a bad direction
* if( !IsValidDirection( newDirection ) || ( direction != FingerGestures.SwipeDirection.None && newDirection != direction ) )
* return GestureRecognitionState.Failed;
*
* direction = newDirection;
*/
// check if we have deviated too much from our initial direction
if (distance > 50.0f && gesture.MoveCounter > 2)
{
// accumulate delta angle
gesture.Deviation += Mathf.Rad2Deg * FingerGestures.SignedAngle(previousMotion, gesture.Move);
if (Mathf.Abs(gesture.Deviation) > MaxDeviation)
{
//Debug.LogWarning( "Swipe: deviated too much from initial direction (" + gesture.Deviation + ")" );
return(GestureRecognitionState.Failed);
}
}
++gesture.MoveCounter;
return(GestureRecognitionState.InProgress);
}
protected override GestureState OnActive(FingerGestures.IFingerList touches)
{
wasDown = down;
down = false;
if (touches.Count == RequiredFingerCount)
{
down = true;
lastDownTime = Time.time;
}
else if (touches.Count == 0)
{
down = false;
}
else
{
// some fingers were lifted off
if (touches.Count < RequiredFingerCount)
{
// give a bit of buffer time to lift-off the remaining fingers
if (Time.time - lastDownTime > 0.25f)
{
return(GestureState.Failed);
}
}
else // fingers were added
{
return(GestureState.Failed);
}
}
if (HasTimedOut())
{
// if we requested unlimited taps and landed at least one, consider this a success
if (RequiredTaps == 0 && Taps > 0)
{
// if we didn't raise a tap event on each tap, at least raise the event once at the end of the tap sequence
if (!RaiseEventOnEachTap)
{
RaiseOnTap();
}
return(GestureState.Recognized);
}
// else, timed out
return(GestureState.Failed);
}
if (down)
{
Vector2 curPos = touches.GetAveragePosition();
// check if finger moved too far from start position
if (MovedTooFar(curPos))
{
return(GestureState.Failed);
}
}
if (wasDown != down)
{
// fingers were just released
if (!down)
{
++taps;
lastTapTime = Time.time;
// If the requested tap count has been reached, validate the gesture and stop
if (RequiredTaps > 0 && taps >= RequiredTaps)
{
RaiseOnTap();
return(GestureState.Recognized);
}
if (RaiseEventOnEachTap)
{
RaiseOnTap();
}
}
}
return(GestureState.InProgress);
}
protected override GestureRecognitionState OnRecognize(SwipeGesture gesture, FingerGestures.IFingerList touches)
{
float minDistanceInPixels = ToPixels(MinDistance);
float maxDistanceInPixels = ToPixels(MaxDistance);
if (touches.Count != RequiredFingerCount)
{
// more fingers were added - fail right away
if (touches.Count > RequiredFingerCount)
{
return(GestureRecognitionState.Failed);
}
//
// fingers were lifted-off
//
// didn't swipe far enough
if (gesture.Move.magnitude < Mathf.Max(1, minDistanceInPixels))
{
return(GestureRecognitionState.Failed);
}
// get approx swipe direction
gesture.Direction = FingerGestures.GetSwipeDirection(gesture.Move);
return(GestureRecognitionState.Recognized);
}
Vector2 previousMotion = gesture.Move;
gesture.Position = touches.GetAveragePosition();
gesture.Move = gesture.Position - gesture.StartPosition;
// pixel-adjusted distance
float distance = gesture.Move.magnitude;
// moved too far
if (maxDistanceInPixels > minDistanceInPixels && distance > maxDistanceInPixels)
{
//Debug.LogWarning( "Too far: " + distance );
return(GestureRecognitionState.Failed);
}
if (gesture.ElapsedTime > 0)
{
gesture.Velocity = distance / gesture.ElapsedTime;
}
else
{
gesture.Velocity = 0;
}
// we're going too slow
if (gesture.MoveCounter > 2 && gesture.Velocity < ToPixels(MinVelocity))
{
//Debug.LogWarning( "Too slow: " + gesture.Velocity );
return(GestureRecognitionState.Failed);
}
// check if we have deviated too much from our initial direction
if (distance > 50.0f && gesture.MoveCounter > 2)
{
// accumulate delta angle
gesture.Deviation += Mathf.Rad2Deg * FingerGestures.SignedAngle(previousMotion, gesture.Move);
if (Mathf.Abs(gesture.Deviation) > MaxDeviation)
{
//Debug.LogWarning( "Swipe: deviated too much from initial direction (" + gesture.Deviation + ")" );
return(GestureRecognitionState.Failed);
}
}
++gesture.MoveCounter;
return(GestureRecognitionState.InProgress);
}
protected override void OnBegin(LongPressGesture gesture, FingerGestures.IFingerList touches)
{
gesture.Position = touches.GetAveragePosition();
gesture.StartPosition = gesture.Position;
}
protected override void OnBegin(FingerGestures.IFingerList touches)
{
Position = touches.GetAveragePosition();
StartPosition = Position;
}
protected override void OnBegin(TapGesture gesture, FingerGestures.IFingerList touches)
{
gesture.Position = touches.GetAveragePosition();
gesture.StartPosition = gesture.Position;
gesture.LastTapTime = Time.time;
}
GestureRecognitionState RecognizeMultiTap(TapGesture gesture, FingerGestures.IFingerList touches)
{
gesture.WasDown = gesture.Down;
gesture.Down = false;
if (touches.Count == RequiredFingerCount)
{
gesture.Down = true;
gesture.LastDownTime = Time.time;
}
else if (touches.Count == 0)
{
gesture.Down = false;
}
else
{
// some fingers were lifted off
if (touches.Count < RequiredFingerCount)
{
// give a bit of buffer time to lift-off the remaining fingers
if (Time.time - gesture.LastDownTime > 0.25f)
{
return(GestureRecognitionState.Failed);
}
}
else // fingers were added
{
if (!Young(touches))
{
return(GestureRecognitionState.Failed);
}
}
}
if (HasTimedOut(gesture))
{
return(GestureRecognitionState.Failed);
}
if (gesture.Down)
{
// check if finger moved too far from start position
float sqrDist = Vector3.SqrMagnitude(touches.GetAveragePosition() - gesture.StartPosition);
if (sqrDist >= MoveTolerance * MoveTolerance)
{
return(GestureRecognitionState.Failed);
}
}
if (gesture.WasDown != gesture.Down)
{
// fingers were just released
if (!gesture.Down)
{
++gesture.Taps;
gesture.LastTapTime = Time.time;
// If the requested tap count has been reached, validate the gesture and stop
if (gesture.Taps >= RequiredTaps)
{
return(GestureRecognitionState.Recognized);
}
}
}
return(GestureRecognitionState.InProgress);
}