added networking tests

networking/client.js~

@@ -0,0 +1,107 @@
+var id = null;
+
+function setupCanvas() {
+	var debugDraw = new b2DebugDraw();
+
+	debugDraw.SetSprite(document.getElementById("canvas").getContext("2d"));
+	debugDraw.SetDrawScale(30.0);
+	debugDraw.SetFillAlpha(0.5);
+	debugDraw.SetLineThickness(1.0);
+	debugDraw.SetFlags(b2DebugDraw.e_shapeBit | b2DebugDraw.e_jointBit);
+
+	world.SetDebugDraw(debugDraw);
+}
+
+function _jump() {
+	
+	var data = {
+		m: 'jump'
+	};
+	
+	socket.send(JSON.stringify(data));
+}
+
+function init() {
+	setupWorld();
+	setupCanvas();
+
+	window.setInterval(update, 1000 / 60);
+
+	var body;
+
+	//update
+	function update() {
+		world.Step(1 / 60, 10, 10);
+		world.DrawDebugData();
+		world.ClearForces();
+	}
+}
+         
+//helpers
+         
+//http://js-tut.aardon.de/js-tut/tutorial/position.html
+function getElementPosition(element) {
+	var elem = element, tagname = "", x = 0, y = 0;
+           
+	while((typeof(elem) == "object") && (typeof(elem.tagName) != "undefined")) {
+		y += elem.offsetTop;
+		x += elem.offsetLeft;
+
+		tagname = elem.tagName.toUpperCase();
+
+		if(tagname == "BODY") elem = 0;
+
+		if(typeof(elem) == "object") {
+			if(typeof(elem.offsetParent) == "object") elem = elem.offsetParent;
+		}
+
+		return {x: x, y: y};
+	}
+}
+
+function updateWorld(data) {
+	var body = world.GetBodyList();
+	do {
+		var userData = body.GetUserData();
+		if(userData && userData.bodyId){		
+			var update = data[userData.bodyId];
+			body.SetPosition(update.p);
+			body.SetAngle(update.a);
+			body.SetLinearVelocity(update.v);
+		}
+	} while (body = body.GetNext());
+}
+
+
+
+
+var socket = io.connect(xhost + ':' + xport);
+
+socket.on('connect',function() {
+	console.log('Client has connected to the server!');
+	connected = true;
+});
+
+socket.on('message', function(packet) {
+	packet = JSON.parse(packet);
+	//console.log(packet);
+	
+	if (packet && packet.m) {
+		switch(packet.m) {
+			case 'world-update':
+				updateWorld(packet.d);
+				break;
+			default:	
+				break;
+		}
+		
+	}
+});
+
+socket.on('disconnect',function() {
+	console.log('The client has disconnected!');
+	connected = false;
+});
+
+
+window.onload = init;