private TouchPoint UpdateTouchPoint(TouchPoint tp, TuioCursor cursor)
{
tp.PreviousPoint = tp.CurrentPoint;
tp.CurrentPoint = cursor.getPath().Last().ToPoint(GestureManager);
tp.CurrentTimeMS = cursor.getTuioTime().getTotalMilliseconds();
tp.Distance = cursor.getTotalDistanceInPixel(this.GestureManager);
tp.PathLength = cursor.getPath().Count;
tp.DistanceRelative = cursor.getTotalDistance();
return(tp);
}
private TouchPoint CreateTouchPoint(TuioCursor cursor)
{
TouchPoint tp = new TouchPoint
{
StartPoint = cursor.getPath().First().ToPoint(GestureManager),
StartTimeMS = cursor.getStartTime().getTotalMilliseconds(),
CurrentPoint = cursor.getPath().First().ToPoint(GestureManager),
SessionID = cursor.getSessionID()
};
return(UpdateTouchPoint(tp, cursor));
}
/// <summary>
/// Berechnet die Summe der Entfernungen der Einzelsegmente eines TuioCursors.
/// In anderen Worten, die bisher zurückgelegte Entfernung einer Berührung
/// </summary>
/// <param name="self">Der TuioCursor</param>
/// <returns>Die berechnete Entfernung, in Pixel</returns>
public static float getTotalDistanceInPixel(this TuioCursor self, GestureManager manager)
{
float dist = 0;
TuioPoint last = null;
foreach (TuioPoint tp in self.getPath())
{
if (last != null)
{
dist += tp.GetPixelDistance(last, manager);
}
last = tp;
}
return(dist);
}
/// <summary>
/// Berechnet die Summe der Entfernungen der Einzelsegmente eines TuioCursors.
/// In anderen Worten, die bisher zurückgelegte Entfernung einer Berührung
/// </summary>
/// <param name="self">Der TuioCursor</param>
/// <returns>Die berechnete Entfernung, in Relation zur Bildschirmgröße (0 bis 1)</returns>
public static float getTotalDistance(this TuioCursor self)
{
float dist = 0;
TuioPoint last = null;
List <TuioPoint> allPoints = self.getPath();
for (int i = 0; i < allPoints.Count; i++)
{
TuioPoint tp = allPoints[i];
if (last != null)
{
dist += tp.getDistance(last);
}
last = tp;
}
return(dist);
}