private void processTouchOnlyAddEvent(TuioCursor tcur)
{
lock (touchOnlyLock)
{
// Make sure touch point isn't already dragging something else
if (!draggedObjects.Keys.Contains(tcur.getSessionID()))
{
// Find the closest touched freeObject to this touch point
Vector2 tcurStartPos = new Vector2(tcur.getPath()[0].getScreenX(Settings.RESOLUTION_X), tcur.getPath()[0].getScreenY(Settings.RESOLUTION_Y));
float closestDistance = float.PositiveInfinity;
TuioObject closestTobj = null;
foreach (TuioObject tobj in freeObjects.Values)
//foreach (TuioObject tobj in tuioObjects.Values)
{
if (!draggedObjects.ContainsKey(tobj.getSessionID()))
{
Vector2 tobjPosition = new Vector2(tobj.getScreenX(Settings.RESOLUTION_X), tobj.getScreenY(Settings.RESOLUTION_Y));
float distance = Vector2.Distance(tcurStartPos, tobjPosition);
if (distance < closestDistance && distance < Settings.CIRCLE_RADIUS)
{
// Found a closer freeObject
closestDistance = distance;
closestTobj = tobj;
}
}
}
if (closestTobj != null)
{
Vector2 closestTobjPosition = new Vector2(closestTobj.getScreenX(Settings.RESOLUTION_X), closestTobj.getScreenY(Settings.RESOLUTION_Y));
draggedObjects.TryAdd(tcur.getSessionID(), closestTobj);
dragDiffVectors.TryAdd(tcur.getSessionID(), tcurStartPos - closestTobjPosition);
TuioObject outTobj;
freeObjects.TryRemove(closestTobj.getSymbolID(), out outTobj);
Debug.WriteLine("Grabbing " + closestTobj.getSymbolID() + " with " + +tcur.getSessionID());
}
}
}
}