index.js

var express = require('express');
var path = require('path');
var app = express();
var http = require('http').createServer(app);
var io = require('socket.io')(http);

var port = 3000;

//Listen for calls to our static pages
app.use(express.static(path.join(__dirname, 'static')));

//A list of objects in our game
// let objects = [];

//Listen for clients to connect
// io.on('connection', function (socket) {
//   console.log('a user connected');

//   //Listen for a user to request a new game object
//   socket.on('join', function (msg) {

//     console.log(msg);

//     //Create a new game object
//     let newObject = { id: socket.id, x: Math.random() * 500, y: Math.random() * 500 };

//     //Add the game object to our list of game objects
//     objects.push(newObject)
//     console.log(objects);

//     //Tell the new user about the game object
//     socket.emit('joinaccept', newObject);

//     //Tell the new user about the other new objects
//     for (let object of objects) {
//       if (object.id != socket.id)
//         socket.emit('update', object);
//     }

//     //Tell all the other users about the new user
//     socket.broadcast.emit('update', newObject);

//   });

//   //Listen for the user to move
//   socket.on('move', msg => {
//     let object = objects.find(i => i.id == socket.id);
//     if (object) {
//       //Update the object
//       object.x = msg.x;
//       object.y = msg.y;
//       //Update the other objects
//       socket.broadcast.emit('update', object);
//     }
//   });

//   //Listen for a user to leave
//   socket.on('disconnect', function () {
//     console.log("disconnected");

//     //Remove the user from our list of game objects
//     objects = objects.filter(i => i.id != socket.id);
//     console.log(objects);

//     //Update all remaining users on the list of valid users
//     io.sockets.emit("valid", objects.map(i => i.id));
//   })
// });


// Listen for requests
var server = http.listen(port, function () {
  console.log('listening on http://localhost:' + port);
});