/**
* This constructor takes a TuioTime object and two floating point coordinate arguments and sets
* its coordinate attributes to these values and its time stamp to the provided TUIO time object.
*
* @param ttime the TuioTime to assign
* @param xp the X coordinate to assign
* @param yp the Y coordinate to assign
*/
public TuioPoint(TuioTime ttime, float xp, float yp)
{
xpos = xp;
ypos = yp;
currentTime = new TuioTime(ttime);
startTime = new TuioTime(currentTime);
}
/**
* This constructor takes a TuioTime argument and assigns it along with the provided
* Session ID, Symbol ID, X and Y coordinate and angle to the newly created TuioObject.
*
* @param ttime the TuioTime to assign
* @param si the Session ID to assign
* @param sym the Symbol ID to assign
* @param xp the X coordinate to assign
* @param yp the Y coordinate to assign
* @param a the angle to assign
*/
public TuioObject(TuioTime ttime, long si, int sym, float xp, float yp, float a) : base(ttime, si, xp, yp)
{
symbol_id = sym;
angle = a;
rotation_speed = 0.0f;
rotation_accel = 0.0f;
}
/**
* The default constructor takes no arguments and sets
* its coordinate attributes to zero and its time stamp to the current session time.
*/
public TuioPoint()
{
xpos = 0.0f;
ypos = 0.0f;
currentTime = TuioTime.getSessionTime();
startTime = new TuioTime(currentTime);
}
/**
* Takes a TuioTime argument and assigns it along with the provided
* X and Y coordinate and angle to the private TuioObject attributes.
* The speed and accleration values are calculated accordingly.
*
* @param ttime the TuioTime to assign
* @param xp the X coordinate to assign
* @param yp the Y coordinate to assign
* @param a the angle coordinate to assign
*/
public void update(TuioTime ttime, float xp, float yp, float a)
{
TuioPoint lastPoint = path[path.Count - 1];
base.update(ttime, xp, yp);
TuioTime diffTime = currentTime - lastPoint.getTuioTime();
float dt = diffTime.getTotalMilliseconds() / 1000.0f;
float last_angle = angle;
float last_rotation_speed = rotation_speed;
angle = a;
float da = (angle - last_angle) / (2.0f * (float)Math.PI);
if (da > 0.75f)
{
da -= 1.0f;
}
else if (da < -0.75f)
{
da += 1.0f;
}
rotation_speed = da / dt;
rotation_accel = (rotation_speed - last_rotation_speed) / dt;
if ((rotation_accel != 0) && (state != TUIO_STOPPED))
{
state = TUIO_ROTATING;
}
}
/**
* This constructor takes two floating point coordinate arguments and sets
* its coordinate attributes to these values and its time stamp to the current session time.
*
* @param xp the X coordinate to assign
* @param yp the Y coordinate to assign
*/
public TuioPoint(float xp, float yp)
{
xpos = xp;
ypos = yp;
currentTime = TuioTime.getSessionTime();
startTime = new TuioTime(currentTime);
}
/**
* This constructor takes a TuioPoint argument and sets its coordinate attributes
* to the coordinates of the provided TuioPoint and its time stamp to the current session time.
*
* @param tpoint the TuioPoint to assign
*/
public TuioPoint(TuioPoint tpoint)
{
xpos = tpoint.getX();
ypos = tpoint.getY();
currentTime = TuioTime.getSessionTime();
startTime = new TuioTime(currentTime);
}
/**
* This static method globally resets the TUIO session time.
*/
public static void initSession()
{
TuioTime startTime = getSystemTime();
start_seconds = startTime.getSeconds();
start_micro_seconds = startTime.getMicroseconds();
}
/**
* Takes a TuioTime argument and assigns it along with the provided
* X and Y coordinate to the private TuioContainer attributes.
* The speed and accleration values are calculated accordingly.
*
* @param ttime the TuioTime to assign
* @param xp the X coordinate to assign
* @param yp the Y coordinate to assign
*/
public new void update(TuioTime ttime, float xp, float yp)
{
TuioPoint lastPoint = path[path.Count - 1];
base.update(ttime, xp, yp);
TuioTime diffTime = currentTime - lastPoint.getTuioTime();
float dt = diffTime.getTotalMilliseconds() / 1000.0f;
float dx = this.xpos - lastPoint.getX();
float dy = this.ypos - lastPoint.getY();
float dist = (float)Math.Sqrt(dx * dx + dy * dy);
float last_motion_speed = this.motion_speed;
this.x_speed = dx / dt;
this.y_speed = dy / dt;
this.motion_speed = dist / dt;
this.motion_accel = (motion_speed - last_motion_speed) / dt;
path.Add(new TuioPoint(currentTime, xpos, ypos));
if (motion_accel > 0)
{
state = TUIO_ACCELERATING;
}
else if (motion_accel < 0)
{
state = TUIO_DECELERATING;
}
else
{
state = TUIO_STOPPED;
}
}
/**
* Takes a TuioTime argument and assigns it along with the provided
* X and Y coordinate, angle, X and Y velocity, motion acceleration,
* rotation speed and rotation acceleration to the private TuioObject attributes.
*
* @param ttime the TuioTime to assign
* @param xp the X coordinate to assign
* @param yp the Y coordinate to assign
* @param a the angle coordinate to assign
* @param xs the X velocity to assign
* @param ys the Y velocity to assign
* @param rs the rotation velocity to assign
* @param ma the motion acceleration to assign
* @param ra the rotation acceleration to assign
*/
public void update(TuioTime ttime, float xp, float yp, float a, float xs, float ys, float rs, float ma, float ra)
{
base.update(ttime, xp, yp, xs, ys, ma);
angle = a;
rotation_speed = rs;
rotation_accel = ra;
if ((rotation_accel != 0) && (state != TUIO_STOPPED))
{
state = TUIO_ROTATING;
}
}
/**
* Takes a TuioTime argument and compares the provided TuioTime to the private Seconds and Microseconds attributes.
*
* @param ttime the TuioTime to compare
* @return true if the two TuioTime have equal Seconds and Microseconds attributes
*/
public bool Equals(TuioTime ttime)
{
if ((seconds == ttime.getSeconds()) && (micro_seconds == ttime.getMicroseconds()))
{
return(true);
}
else
{
return(false);
}
}
/**
* This constructor takes a TuioTime argument and assigns it along with the provided
* Session ID, X and Y coordinate to the newly created TuioContainer.
*
* @param ttime the TuioTime to assign
* @param si the Session ID to assign
* @param xp the X coordinate to assign
* @param yp the Y coordinate to assign
*/
public TuioContainer(TuioTime ttime, long si, float xp, float yp) : base(ttime, xp, yp)
{
session_id = si;
x_speed = 0.0f;
y_speed = 0.0f;
motion_speed = 0.0f;
motion_accel = 0.0f;
path = new List <TuioPoint>();
path.Add(new TuioPoint(currentTime, xpos, ypos));
state = TUIO_ADDED;
}
/**
* The TuioClient starts listening to TUIO messages on the configured UDP port
* All reveived TUIO messages are decoded and the resulting TUIO events are broadcasted to all registered TuioListeners
*/
public void connect()
{
TuioTime.initSession();
currentTime = new TuioTime();
currentTime.reset();
try {
receiver = new OSCReceiver(port);
thread = new Thread(new ThreadStart(listen));
thread.Start();
connected = true;
} catch (Exception e) {
Console.WriteLine("failed to connect to port " + port);
Console.WriteLine(e.Message);
}
}
/**
* Takes a TuioTime argument and assigns it along with the provided
* X and Y coordinate, X and Y velocity and acceleration
* to the private TuioContainer attributes.
*
* @param ttime the TuioTime to assign
* @param xp the X coordinate to assign
* @param yp the Y coordinate to assign
* @param xs the X velocity to assign
* @param ys the Y velocity to assign
* @param ma the acceleration to assign
*/
public void update(TuioTime ttime, float xp, float yp, float xs, float ys, float ma)
{
base.update(ttime, xp, yp);
x_speed = xs;
y_speed = ys;
motion_speed = (float)Math.Sqrt(x_speed * x_speed + y_speed * y_speed);
motion_accel = ma;
path.Add(new TuioPoint(currentTime, xpos, ypos));
if (motion_accel > 0)
{
state = TUIO_ACCELERATING;
}
else if (motion_accel < 0)
{
state = TUIO_DECELERATING;
}
else
{
state = TUIO_STOPPED;
}
}
public static void OnTuioRefreshEvent(TuioTime t)
{
try { OnTuioRefresh(t); }
catch { }
}
private void TuioChannelHelper_OnTuioRefresh(TuioTime t)
{
OnTuioRefreshEvent(t);
}
/**
* This constructor takes the provided TuioTime
* and assigs its Seconds and Microseconds values to the newly created TuioTime.
*
* @param ttime the TuioTime used to copy
*/
public TuioTime(TuioTime ttime)
{
this.seconds = ttime.getSeconds();
this.micro_seconds = ttime.getMicroseconds();
}
/**
* The OSC callback method where all TUIO messages are received and decoded
* and where the TUIO event callbacks are dispatched
*
* @param message the received OSC message
*/
private void processMessage(OSCMessage message)
{
string address = message.Address;
ArrayList args = message.Values;
string command = (string)args[0];
if (address == "/tuio/2Dobj")
{
if (command == "set")
{
long s_id = (int)args[1];
int f_id = (int)args[2];
float xpos = (float)args[3];
float ypos = (float)args[4];
float angle = (float)args[5];
float xspeed = (float)args[6];
float yspeed = (float)args[7];
float rspeed = (float)args[8];
float maccel = (float)args[9];
float raccel = (float)args[10];
lock (objectSync) {
if (!objectList.ContainsKey(s_id))
{
TuioObject addObject = new TuioObject(s_id, f_id, xpos, ypos, angle);
frameObjects.Add(addObject);
}
else
{
TuioObject tobj = objectList[s_id];
if (tobj == null)
{
return;
}
if ((tobj.getX() != xpos) || (tobj.getY() != ypos) || (tobj.getAngle() != angle) || (tobj.getXSpeed() != xspeed) || (tobj.getYSpeed() != yspeed) || (tobj.getRotationSpeed() != rspeed) || (tobj.getMotionAccel() != maccel) || (tobj.getRotationAccel() != raccel))
{
TuioObject updateObject = new TuioObject(s_id, f_id, xpos, ypos, angle);
updateObject.update(xpos, ypos, angle, xspeed, yspeed, rspeed, maccel, raccel);
frameObjects.Add(updateObject);
}
}
}
}
else if (command == "alive")
{
newObjectList.Clear();
for (int i = 1; i < args.Count; i++)
{
// get the message content
long s_id = (int)args[i];
newObjectList.Add(s_id);
// reduce the object list to the lost objects
if (aliveObjectList.Contains(s_id))
{
aliveObjectList.Remove(s_id);
}
}
// remove the remaining objects
lock (objectSync) {
for (int i = 0; i < aliveObjectList.Count; i++)
{
long s_id = aliveObjectList[i];
TuioObject removeObject = objectList[s_id];
removeObject.remove(currentTime);
frameObjects.Add(removeObject);
}
}
}
else if (command == "fseq")
{
int fseq = (int)args[1];
bool lateFrame = false;
if (fseq > 0)
{
if (fseq > currentFrame)
{
currentTime = TuioTime.getSessionTime();
}
if ((fseq >= currentFrame) || ((currentFrame - fseq) > 100))
{
currentFrame = fseq;
}
else
{
lateFrame = true;
}
}
else if ((TuioTime.getSessionTime().getTotalMilliseconds() - currentTime.getTotalMilliseconds()) > 100)
{
currentTime = TuioTime.getSessionTime();
}
if (!lateFrame)
{
IEnumerator <TuioObject> frameEnum = frameObjects.GetEnumerator();
while (frameEnum.MoveNext())
{
TuioObject tobj = frameEnum.Current;
switch (tobj.getTuioState())
{
case TuioObject.TUIO_REMOVED:
TuioObject removeObject = tobj;
removeObject.remove(currentTime);
for (int i = 0; i < listenerList.Count; i++)
{
TuioListener listener = (TuioListener)listenerList[i];
if (listener != null)
{
listener.removeTuioObject(removeObject);
}
}
lock (objectSync) {
objectList.Remove(removeObject.getSessionID());
}
break;
case TuioObject.TUIO_ADDED:
TuioObject addObject = new TuioObject(currentTime, tobj.getSessionID(), tobj.getSymbolID(), tobj.getX(), tobj.getY(), tobj.getAngle());
lock (objectSync) {
objectList.Add(addObject.getSessionID(), addObject);
}
for (int i = 0; i < listenerList.Count; i++)
{
TuioListener listener = (TuioListener)listenerList[i];
if (listener != null)
{
listener.addTuioObject(addObject);
}
}
break;
default:
TuioObject updateObject = getTuioObject(tobj.getSessionID());
if ((tobj.getX() != updateObject.getX() && tobj.getXSpeed() == 0) || (tobj.getY() != updateObject.getY() && tobj.getYSpeed() == 0))
{
updateObject.update(currentTime, tobj.getX(), tobj.getY(), tobj.getAngle());
}
else
{
updateObject.update(currentTime, tobj.getX(), tobj.getY(), tobj.getAngle(), tobj.getXSpeed(), tobj.getYSpeed(), tobj.getRotationSpeed(), tobj.getMotionAccel(), tobj.getRotationAccel());
}
for (int i = 0; i < listenerList.Count; i++)
{
TuioListener listener = (TuioListener)listenerList[i];
if (listener != null)
{
listener.updateTuioObject(updateObject);
}
}
break;
}
}
for (int i = 0; i < listenerList.Count; i++)
{
TuioListener listener = (TuioListener)listenerList[i];
if (listener != null)
{
listener.refresh(new TuioTime(currentTime));
}
}
List <long> buffer = aliveObjectList;
aliveObjectList = newObjectList;
// recycling the List
newObjectList = buffer;
}
frameObjects.Clear();
}
}
else if (address == "/tuio/2Dcur")
{
if (command == "set")
{
long s_id = (int)args[1];
float xpos = (float)args[2];
float ypos = (float)args[3];
float xspeed = (float)args[4];
float yspeed = (float)args[5];
float maccel = (float)args[6];
lock (cursorList) {
if (!cursorList.ContainsKey(s_id))
{
TuioCursor addCursor = new TuioCursor(s_id, -1, xpos, ypos);
frameCursors.Add(addCursor);
}
else
{
TuioCursor tcur = (TuioCursor)cursorList[s_id];
if (tcur == null)
{
return;
}
if ((tcur.getX() != xpos) || (tcur.getY() != ypos) || (tcur.getXSpeed() != xspeed) || (tcur.getYSpeed() != yspeed) || (tcur.getMotionAccel() != maccel))
{
TuioCursor updateCursor = new TuioCursor(s_id, tcur.getCursorID(), xpos, ypos);
updateCursor.update(xpos, ypos, xspeed, yspeed, maccel);
frameCursors.Add(updateCursor);
}
}
}
}
else if (command == "alive")
{
newCursorList.Clear();
for (int i = 1; i < args.Count; i++)
{
// get the message content
long s_id = (int)args[i];
newCursorList.Add(s_id);
// reduce the cursor list to the lost cursors
if (aliveCursorList.Contains(s_id))
{
aliveCursorList.Remove(s_id);
}
}
// remove the remaining cursors
lock (cursorSync) {
for (int i = 0; i < aliveCursorList.Count; i++)
{
long s_id = aliveCursorList[i];
if (!cursorList.ContainsKey(s_id))
{
continue;
}
TuioCursor removeCursor = cursorList[s_id];
removeCursor.remove(currentTime);
frameCursors.Add(removeCursor);
}
}
}
else if (command == "fseq")
{
int fseq = (int)args[1];
bool lateFrame = false;
if (fseq > 0)
{
if (fseq > currentFrame)
{
currentTime = TuioTime.getSessionTime();
}
if ((fseq >= currentFrame) || ((currentFrame - fseq) > 100))
{
currentFrame = fseq;
}
else
{
lateFrame = true;
}
}
else if ((TuioTime.getSessionTime().getTotalMilliseconds() - currentTime.getTotalMilliseconds()) > 100)
{
currentTime = TuioTime.getSessionTime();
}
if (!lateFrame)
{
IEnumerator <TuioCursor> frameEnum = frameCursors.GetEnumerator();
while (frameEnum.MoveNext())
{
TuioCursor tcur = frameEnum.Current;
switch (tcur.getTuioState())
{
case TuioCursor.TUIO_REMOVED:
TuioCursor removeCursor = tcur;
removeCursor.remove(currentTime);
for (int i = 0; i < listenerList.Count; i++)
{
TuioListener listener = (TuioListener)listenerList[i];
if (listener != null)
{
listener.removeTuioCursor(removeCursor);
}
}
lock (cursorSync) {
cursorList.Remove(removeCursor.getSessionID());
if (removeCursor.getCursorID() == maxCursorID)
{
maxCursorID = -1;
if (cursorList.Count > 0)
{
IEnumerator <KeyValuePair <long, TuioCursor> > clist = cursorList.GetEnumerator();
while (clist.MoveNext())
{
int f_id = clist.Current.Value.getCursorID();
if (f_id > maxCursorID)
{
maxCursorID = f_id;
}
}
List <TuioCursor> freeCursorBuffer = new List <TuioCursor>();
IEnumerator <TuioCursor> flist = freeCursorList.GetEnumerator();
while (flist.MoveNext())
{
TuioCursor testCursor = flist.Current;
if (testCursor.getCursorID() < maxCursorID)
{
freeCursorBuffer.Add(testCursor);
}
}
freeCursorList = freeCursorBuffer;
}
else
{
freeCursorList.Clear();
}
}
else if (removeCursor.getCursorID() < maxCursorID)
{
freeCursorList.Add(removeCursor);
}
}
break;
case TuioCursor.TUIO_ADDED:
TuioCursor addCursor;
lock (cursorSync) {
int c_id = cursorList.Count;
if ((cursorList.Count <= maxCursorID) && (freeCursorList.Count > 0))
{
TuioCursor closestCursor = freeCursorList[0];
IEnumerator <TuioCursor> testList = freeCursorList.GetEnumerator();
while (testList.MoveNext())
{
TuioCursor testCursor = testList.Current;
if (testCursor.getDistance(tcur) < closestCursor.getDistance(tcur))
{
closestCursor = testCursor;
}
}
c_id = closestCursor.getCursorID();
freeCursorList.Remove(closestCursor);
}
else
{
maxCursorID = c_id;
}
addCursor = new TuioCursor(currentTime, tcur.getSessionID(), c_id, tcur.getX(), tcur.getY());
cursorList.Add(addCursor.getSessionID(), addCursor);
}
for (int i = 0; i < listenerList.Count; i++)
{
TuioListener listener = (TuioListener)listenerList[i];
if (listener != null)
{
listener.addTuioCursor(addCursor);
}
}
break;
default:
TuioCursor updateCursor = getTuioCursor(tcur.getSessionID());
if ((tcur.getX() != updateCursor.getX() && tcur.getXSpeed() == 0) || (tcur.getY() != updateCursor.getY() && tcur.getYSpeed() == 0))
{
updateCursor.update(currentTime, tcur.getX(), tcur.getY());
}
else
{
updateCursor.update(currentTime, tcur.getX(), tcur.getY(), tcur.getXSpeed(), tcur.getYSpeed(), tcur.getMotionAccel());
}
for (int i = 0; i < listenerList.Count; i++)
{
TuioListener listener = (TuioListener)listenerList[i];
if (listener != null)
{
listener.updateTuioCursor(updateCursor);
}
}
break;
}
}
for (int i = 0; i < listenerList.Count; i++)
{
TuioListener listener = (TuioListener)listenerList[i];
if (listener != null)
{
listener.refresh(new TuioTime(currentTime));
}
}
List <long> buffer = aliveCursorList;
aliveCursorList = newCursorList;
// recycling the List
newCursorList = buffer;
}
frameCursors.Clear();
}
}
}
/**
* Takes a TuioTime object and two floating point coordinate arguments and updates its coordinate attributes
* to the coordinates of the provided TuioPoint and its time stamp to the provided TUIO time object.
*
* @param ttime the TuioTime to assign
* @param xp the X coordinate to assign
* @param yp the Y coordinate to assign
*/
public void update(TuioTime ttime, float xp, float yp)
{
xpos = xp;
ypos = yp;
currentTime = new TuioTime(ttime);
}
/**
* This method is used to calculate the speed and acceleration values of a
* TuioObject with unchanged position and angle.
*/
public new void stop(TuioTime ttime)
{
update(ttime, this.xpos, this.ypos, this.angle);
}
/**
* Assigns the REMOVE state to this TuioContainer and sets
* its TuioTime time stamp to the provided TuioTime argument.
*
* @param ttime the TuioTime to assign
*/
public void remove(TuioTime ttime)
{
currentTime = ttime;
state = TUIO_REMOVED;
}
/**
* This method is used to calculate the speed and acceleration values of
* TuioContainers with unchanged positions.
*/
public void stop(TuioTime ttime)
{
update(ttime, this.xpos, this.ypos);
}
/**
* This constructor takes a TuioTime argument and assigns it along with the provided
* Session ID, Cursor ID, X and Y coordinate to the newly created TuioCursor.
*
* @param ttime the TuioTime to assign
* @param si the Session ID to assign
* @param ci the Cursor ID to assign
* @param xp the X coordinate to assign
* @param yp the Y coordinate to assign
*/
public TuioCursor(TuioTime ttime, long si, int ci, float xp, float yp) : base(ttime, si, xp, yp)
{
cursor_id = ci;
}