server - express.js + faye.js

express = require('express')
faye = require('faye')
server = express.createServer()
port = process.env.PORT || 3232
bayeux = new faye.NodeAdapter mount: '/faye', timeout: 45
client = bayeux.getClient()

server.configure ->
 server.set 'views', __dirname + '/views'
 server.use express.methodOverride()
 server.use express.bodyParser()
 server.use express.static(__dirname + '/public')
 server.use server.router

server.get '/', (req, res) ->
 res.render 'index.jade', locals: { title: 'Music'}

server.post '/play', (req, res) ->
 res.send("bad params", 400) unless req.body.sound?
 client.publish '/play', {action: 'play', sound: req.body.sound}
 res.send(200)

bayeux.attach server
server.listen port

client - impact.js + faye.js

ig.module
 'game.main'
.requires
 'impact.game',
 'impact.font',
 'impact.sound',
 'plugins.impfaye'
.defines ->
 Music = ig.Game.extend
 init: ->
 opts = {onHandshake: @subscribe}
 @faye = new ig.ImpFaye(@, opts)
 subscribe: ->
 @subscription = @faye.subscribe('play', @musicHandler, @)
 update: -> 
 @parent()
 draw: -> 
 @parent()
 musicHandler: (msg) ->
 if msg.action is 'play' and not ig.soundManager.isPlaying
 @sound = new ig.Sound('media/music/'+msg.sound+'.*')
 @sound.play()
 ig.main('#canvas', Music, 60, 320, 240, 1)