protected virtual FingerGestures.IFingerList GetTouches(T gesture)
{
if (SupportFingerClustering && ClusterManager)
{
FingerClusterManager.Cluster cluster = ClusterManager.FindClusterById(gesture.ClusterId);
return((cluster != null) ? cluster.Fingers : EmptyFingerList);
}
return(FingerGestures.Touches);
}
protected override TapGesture MatchActiveGestureToCluster(FingerClusterManager.Cluster cluster)
{
if (IsMultiTap)
{
TapGesture gesture = FindClosestPendingGesture(cluster.Fingers.GetAveragePosition());
if (gesture != null)
{
return(gesture);
}
}
return(base.MatchActiveGestureToCluster(cluster));
}
protected override TapGesture MatchActiveGestureToCluster(FingerClusterManager.Cluster cluster)
{
if (IsMultiTap)
{
TapGesture gesture = FindClosestPendingGesture(cluster.Fingers.GetAveragePosition());
if (gesture != null)
{
// Debug.Log( "Using existing tap gesture for new cluster" );
return(gesture);
}
}
return(base.MatchActiveGestureToCluster(cluster));
}
void UpdateUsingClusters()
{
// force cluster manager to update now (ensures we have most up to date finger state)
ClusterManager.Update();
foreach (FingerClusterManager.Cluster cluster in ClusterManager.Clusters)
{
ProcessCluster(cluster);
}
foreach (T g in gestures)
{
FingerClusterManager.Cluster cluster = ClusterManager.FindClusterById(g.ClusterId);
FingerGestures.IFingerList touches = (cluster != null) ? cluster.Fingers : EmptyFingerList;
UpdateGesture(g, touches);
}
}
protected virtual void ProcessCluster(FingerClusterManager.Cluster cluster)
{
// this cluster already has a gesture associated to it
if (FindGestureByCluster(cluster) != null)
{
return;
}
// only consider clusters that match our gesture's required finger count
if (cluster.Fingers.Count != RequiredFingerCount)
{
return;
}
// give a chance to an active gesture to claim that cluster
T gesture = MatchActiveGestureToCluster(cluster);
// found an active gesture to rebind the cluster to
if (gesture != null)
{
//Debug.Log( "Gesture " + gesture + " claimed finger cluster #" + cluster.Id );
// reassign cluster id
gesture.ClusterId = cluster.Id;
}
else
{
// no claims - find an inactive gesture
gesture = FindFreeGesture();
// out of gestures
if (gesture == null)
{
return;
}
// did we recognize the beginning a valid gesture?
if (!CanBegin(gesture, cluster.Fingers))
{
return;
}
Begin(gesture, cluster.Id, cluster.Fingers);
}
}
// use the finger clusters as touch list sources (used for handling simultaneous multi-finger gestures)
void UpdateUsingClusters()
{
// force cluster manager to update now (ensures we have most up to date finger state)
ClusterManager.Update();
for (int i = 0; i < ClusterManager.Clusters.Count; ++i)
{
ProcessCluster(ClusterManager.Clusters[i]);
}
for (int i = 0; i < gestures.Count; ++i)
{
T g = gestures[i];
FingerClusterManager.Cluster cluster = ClusterManager.FindClusterById(g.ClusterId);
FingerGestures.IFingerList touches = (cluster != null) ? cluster.Fingers : EmptyFingerList;
UpdateGesture(g, touches);
}
}
protected virtual T MatchActiveGestureToCluster(FingerClusterManager.Cluster cluster)
{
return(null);
}
protected virtual T FindGestureByCluster(FingerClusterManager.Cluster cluster)
{
return(gestures.Find(g => g.ClusterId == cluster.Id));
}
