Added nodejs server

server/main.js

@@ -0,0 +1,92 @@
+var ws = new WSMessage({
+  url : 'ws://localhost:8080',
+  autoRecovery : true,
+  listeners : {
+      open : function(){console.info('onopen!!')},
+      close : function(){console.info('onclose!!')},
+      move : onMove,
+      unregister : onUnKinectRegister,
+      register : onKinectRegister,
+  }
+});
+
+var pointer = {
+  locX : 0,
+  locY : 0,
+  size : 10,
+  capture : true,
+  captureTime : 0,
+  visible : true
+}
+
+
+function onMove(data) {
+  pointer.locX = Math.floor(data.x/100*WIDTH);
+  pointer.locY = Math.floor(data.y/100*HEIGHT);
+  //pointer.size = data.z;
+  pointer.size = 80;
+}
+
+function onHandClick() {
+  pointer.capture = true;
+  pointer.captureTime = 5;
+}
+
+function onUnKinectRegister() {
+  pointer.visible = false;
+}
+
+function onKinectRegister() {
+  pointer.visible = true;
+}
+
+var WIDTH;
+var HEIGHT; 
+
+function canvasStart() {
+  HEIGHT  = $(window).height();
+  WIDTH = $(window).width();
+  console.info('start canvas');
+  var canvas  = document.getElementById('canvas1');
+
+  $(canvas).attr({
+    width : WIDTH,
+    height : HEIGHT 
+  });
+  if ((ctx = canvas.getContext && canvas.getContext('2d'))) {
+    pointer = {
+      visible : true,
+      locX : 0,
+      locY : 0,
+      size : 10
+    }
+    setInterval(draw, 30);
+    return;
+  }
+  alert('Error!! cannot get 2d context');
+}
+
+var ctx;
+function draw() {
+
+  ctx.globalCompositeOperation = "source-over";
+  ctx.fillStyle = "rgba(8,8,12,0.1)";
+  ctx.fillRect(0, 0, WIDTH, HEIGHT);
+  //ctx.clearRect(0, 0, cInfo.WIDTH, cInfo.HEIGHT);
+  ctx.globalCompositeOperation = "lighter";
+
+  if (pointer.visible) {
+    ctx.beginPath();
+    if (pointer.captureTime > 0) {
+      ctx.fillStyle = 'rgba(640,20,64, 0.8)';
+      pointer.captureTime -= 1;
+    } else {
+      ctx.fillStyle = 'rgba(20,20,64, 0.8)';
+    }
+    ctx.arc(pointer.locX, pointer.locY, pointer.size, 0, Math.PI*2.0, true);
+    ctx.fill();
+  }
+
+}
+
+$(canvasStart);

server/server.js

@@ -0,0 +1,30 @@
+var http = require('http'),
+    io = require('socket.io'),
+    zmq = require('zeromq'),
+    json = JSON.stringify;
+
+
+var server = http.createServer();
+server.listen(8080);
+
+var webSocket = io.listen(server);
+webSocket.on('connection', function(client) {
+  console.info('browser connect!!!');
+  client.on('disconnect', function() {
+    console.info('disconnect');
+  });
+});
+
+var zsocket = zmq.createSocket('sub');
+zsocket.on('message', function(event, data) {
+  console.info(data.toString());
+  webSocket.broadcast(data);
+});
+zsocket.on('error', function(err) {
+  console.info('error');
+  console.info(err.toString('utf8'));
+});
+zsocket.connect('tcp://127.0.0.1:14444');
+zsocket.subscribe('event');
+
+