private float m_xm, m_ym; // mean point
#endregion Fields
#region Constructors
public DemoObjectLink(Viewer viewer, DemoObject from, DemoObject to, int nFingers)
{
m_viewer = viewer;
m_fromObject = from;
m_toObject = to;
m_nFingers = nFingers;
Update();
from.Links.Add(this);
to.Links.Add(this);
}
private DemoObjectLink MakeLink(DemoObject from, DemoObject to, int n)
{
if (m_currentTuioObjects.Contains(from) && m_currentTuioObjects.Contains(to))
return new DemoObjectLink(m_viewer, from, to, n);
else
return null;
}
public void OpenLinkRequest(int channel, DemoObject demoObject)
{
lock (s_lock)
{
if (!m_linkRequests.ContainsKey(channel))
m_linkRequests[channel] = new List<DemoObject>();
// this is asynchronous, so for efficiency the link will be actually added later
DemoObjectLink link;
foreach (DemoObject req in m_linkRequests[channel])
{
link = MakeLink(req, demoObject, channel);
if (link != null)
m_links.Add(link);
}
m_linkRequests[channel].Add(demoObject);
}
}
public void refresh(long timestamp)
{
lock (s_lock)
{
foreach (TuioObject o in m_tuioObjectAddedList)
{
DemoObject demoObject = new DemoObject(this, m_viewer, (int)o.getSessionID(), (o.getX() + OFFSET_X) * Settings.InputDevResolutionRatio, o.getY(), o.getAngle());
m_idDemoObjectTable[o.getSessionID()] = demoObject;
m_currentTuioObjects.Add(demoObject);
m_currentSelectable.Add(demoObject);
}
foreach (TuioObject o in m_tuioObjectUpdatedList)
{
m_idDemoObjectTable[o.getSessionID()].Update((o.getX() + OFFSET_X) * Settings.InputDevResolutionRatio, o.getY(), o.getAngle());
}
foreach (TuioObject o in m_tuioObjectRemovedList)
{
DemoObject demoObject = m_idDemoObjectTable[o.getSessionID()];
demoObject.Remove((o.getX() + OFFSET_X) * Settings.InputDevResolutionRatio, o.getY(), o.getAngle());
m_idDemoObjectTable.Remove(o.getSessionID());
m_currentTuioObjects.Remove(demoObject);
m_currentSelectable.Remove(demoObject);
foreach (DemoObjectLink link in demoObject.Links)
m_links.Remove(link);
}
foreach (DemoObjectLink link in m_links)
link.Update();
}
m_tuioObjectAddedList.Clear();
m_tuioObjectUpdatedList.Clear();
m_tuioObjectRemovedList.Clear();
}
public void CloseLinkRequest(int channel, DemoObject demoObject)
{
lock (s_lock)
{
m_linkRequests[channel].Remove(demoObject);
}
}
