papercats/server.js

var port = parseInt(process.argv[3]) || 8080;
var hostname = process.argv[2] || "0.0.0.0";
var finalhandler = require("finalhandler");
var http = require("http");
var serveStatic = require("serve-static");
// Serve up public/ftp folder
var serve = serveStatic("public/", {
	"setHeaders": setHeaders
});

function setHeaders(res, path) {
	res.setHeader("Cache-Control", "public, max-age=0");
}
// Create server
var server = http.createServer(function onRequest(req, res) {
	serve(req, res, finalhandler(req, res));
});
// Listen
server.listen(port, hostname);
server = http.createServer();

var io = require("socket.io")(server);
io.set("transports", ["websocket"]);
var Game = require("./src/game-server.js");
var games = [new Game()];
io.on("connection", function(socket) {
	socket.on("hello", function(data, fn) {
		//TODO: error checking.
		if (data.name && data.name.length > 32) fn(false, "Your name is too long!");
		else if (!games[0].addPlayer(socket, data.name)) fn(false, "Game is too full!");
		else fn(true);
	});
	socket.on("pings", function(fn) {
		socket.emit("pongs");
		socket.disconnect();
	});
});
server.listen(8081);

function tick() {
	games[0].tickFrame();
	setTimeout(tick, 1000 / 60);
}
tick();