/// <summary>
/// Called if touches are removed.
/// </summary>
/// <param name="touches">The touches.</param>
protected virtual void touchesEnded(IList <ITouch> touches)
{
if (combineTouches)
{
foreach (var touch in touches)
{
touchSequence.Add(touch);
}
if (activeTouches.Count == 0)
{
// Checking which points were removed in clusterExistenceTime seconds to set their centroid as cached screen position
var cluster = touchSequence.FindElementsLaterThan(Time.time - combineTouchesInterval, shouldCacheTouchPosition);
cachedScreenPosition = ClusterUtils.Get2DCenterPosition(cluster);
cachedPreviousScreenPosition = ClusterUtils.GetPrevious2DCenterPosition(cluster);
}
}
else
{
if (activeTouches.Count == 0)
{
var lastPoint = touches[touches.Count - 1];
if (shouldCacheTouchPosition(lastPoint))
{
cachedScreenPosition = lastPoint.Position;
cachedPreviousScreenPosition = lastPoint.PreviousPosition;
}
else
{
cachedScreenPosition = TouchManager.INVALID_POSITION;
cachedPreviousScreenPosition = TouchManager.INVALID_POSITION;
}
}
}
}
/// <inheritdoc />
protected override void pointersReleased(IList <Pointer> pointers)
{
#if UNITY_5_6_OR_NEWER
gestureSampler.Begin();
#endif
base.pointersReleased(pointers);
if (combinePointers)
{
var count = pointers.Count;
for (var i = 0; i < count; i++)
{
pointerSequence.Add(pointers[i]);
}
if (NumPointers == 0)
{
// Checking which points were removed in clusterExistenceTime seconds to set their centroid as cached screen position
var cluster = pointerSequence.FindElementsLaterThan(Time.unscaledTime - combinePointersInterval, shouldCachePointerPosition);
cachedScreenPosition = ClusterUtils.Get2DCenterPosition(cluster);
cachedPreviousScreenPosition = ClusterUtils.GetPrevious2DCenterPosition(cluster);
}
}
else
{
if (NumPointers == 0)
{
if (!isActive)
{
setState(GestureState.Failed);
#if UNITY_5_6_OR_NEWER
gestureSampler.End();
#endif
return;
}
// pointers outside of gesture target are ignored in shouldCachePointerPosition()
// if all pointers are outside ScreenPosition will be invalid
if (TouchManager.IsInvalidPosition(ScreenPosition))
{
setState(GestureState.Failed);
}
else
{
tapsDone++;
isActive = false;
if (tapsDone >= numberOfTapsRequired)
{
setState(GestureState.Recognized);
}
}
}
}
#if UNITY_5_6_OR_NEWER
gestureSampler.End();
#endif
}
/// <inheritdoc />
protected override Vector2 getPointPreviousScreenPosition(int index)
{
if (!clusters.HasClusters)
{
return(ClusterUtils.GetPrevious2DCenterPosition(activeTouches));
}
return(clusters.GetPreviousCenterPosition(index));
}
/// <summary>
/// Calculates previous center position of one of the clusters.
/// </summary>
/// <param name="id"> Cluster id. Either <see cref="CLUSTER1"/> or <see cref="CLUSTER2"/>. </param>
/// <returns> Cluster's centroid previous position or <see cref="TouchManager.INVALID_POSITION"/> if cluster contains no pointers. </returns>
public Vector2 GetPreviousCenterPosition(int id)
{
if (!HasClusters)
{
return(TouchManager.INVALID_POSITION);
}
Vector2 result;
switch (id)
{
case CLUSTER1:
result = ClusterUtils.GetPrevious2DCenterPosition(cluster1);
break;
case CLUSTER2:
result = ClusterUtils.GetPrevious2DCenterPosition(cluster2);
break;
default:
return(TouchManager.INVALID_POSITION);
}
return(result);
}
internal void INTERNAL_TouchEnded(TouchPoint touch)
{
var total = numTouches - 1;
touchesNumState = TouchesNumState.InRange;
if (minTouches <= 0)
{
// have no touches
if (total == 0)
{
touchesNumState = TouchesNumState.PassedMinThreshold;
}
}
else
{
if (numTouches >= minTouches)
{
// had >= minTouches, got < minTouches
if (total < minTouches)
{
touchesNumState = TouchesNumState.PassedMinThreshold;
}
}
// last event we already were under minTouches
else
{
touchesNumState = TouchesNumState.TooFew;
}
}
if (maxTouches > 0)
{
if (numTouches > maxTouches)
{
if (total <= maxTouches)
{
// this event we crossed both minTouches and maxTouches
if (touchesNumState == TouchesNumState.PassedMinThreshold)
{
touchesNumState = TouchesNumState.PassedMinMaxThreshold;
}
// this event we crossed maxTouches
else
{
touchesNumState = TouchesNumState.PassedMaxThreshold;
}
}
// last event we already were over maxTouches
else
{
touchesNumState = TouchesNumState.TooMany;
}
}
}
activeTouches.Remove(touch);
numTouches = total;
if (combineTouches)
{
touchSequence.Add(touch);
if (NumTouches == 0)
{
// Checking which points were removed in clusterExistenceTime seconds to set their centroid as cached screen position
var cluster = touchSequence.FindElementsLaterThan(Time.time - combineTouchesInterval,
shouldCacheTouchPosition);
cachedScreenPosition = ClusterUtils.Get2DCenterPosition(cluster);
cachedPreviousScreenPosition = ClusterUtils.GetPrevious2DCenterPosition(cluster);
}
}
else
{
if (NumTouches == 0)
{
if (shouldCacheTouchPosition(touch))
{
cachedScreenPosition = touch.Position;
cachedPreviousScreenPosition = touch.PreviousPosition;
}
else
{
cachedScreenPosition = TouchManager.INVALID_POSITION;
cachedPreviousScreenPosition = TouchManager.INVALID_POSITION;
}
}
}
touchEnded(touch);
}
/// <inheritdoc />
protected override Vector2 getPointPreviousScreenPosition()
{
return(ClusterUtils.GetPrevious2DCenterPosition(activeTouches));
}