1 import tuio

     2 import stomp

     3 

     4 s = stomp.Connection()

     5 s.start()

     6 s.connect()

     7 

     8 cnt = 0

     9 

    10 current = []

    11 ld = {}

    12 

    13 t = tuio.Tracking()

    14 try:

    15 	while True:

    16 		t.update()

    17 

    18 		active = []

    19 		for c in t.cursors():

    20 			active.append(c.sessionid)

    21 

    22 		tbr = []

    23 		for c in current:

    24 			if c not in active:

    25 				tbr.append(c)

    26 

    27 		tba = []

    28 		for c in active:

    29 			if c not in current:

    30 				tba.append(c)

    31 

    32 		current = active

    33 

    34 		for c in tbr:

    35 			d = ld[c]

    36 			# cursor removed = 5

    37 			s.send("5 %d %d %f %f 0" % (c, c, d[1], d[2]), destination="/topic/home")

    38 			ld.pop(c)

    39 

    40 		# for c in tba:

    41 		# 	s.send("C N %d" % c, destination="/topic/home")

    42 

    43 		for c in t.cursors():

    44 			data = (c.sessionid, c.sessionid, c.xpos, c.ypos)

    45 			if not ld.get(c.sessionid, None) == data:

    46 				if c.sessionid in tba:

    47 					# cursor new = 3

    48 					msg = "3 %d %d %f %f 0" % data

    49 				else:

    50 					# cursor update = 4

    51 					msg = "4 %d %d %f %f 0" % data

    52 				s.send(msg, destination="/topic/home")

    53 				ld[c.sessionid] = data

    54 				cnt += 1

    55 

    56 except KeyboardInterrupt:

    57 	t.stop()

    58