Initial commit

app.js

@@ -0,0 +1,47 @@
+
+/**
+ * Module dependencies.
+ */
+
+var express = require('express')
+  , routes = require('./routes')
+  , user = require('./routes/user')
+  , ambience = require('./routes/ambience')
+  , http = require('http')
+  , path = require('path')
+  , light = require('./lib/light')
+
+var app = express();
+
+app.configure(function(){
+  app.set('port', process.env.PORT || 3000);
+  app.set('views', __dirname + '/views');
+  app.set('view engine', 'jade');
+  app.use(express.favicon());
+  app.use(express.logger('dev'));
+  app.use(express.bodyParser());
+  app.use(express.methodOverride());
+  app.use(app.router);
+  app.use(express.static(path.join(__dirname, 'public')));
+});
+
+app.configure('development', function(){
+  app.use(express.errorHandler());
+});
+
+app.get('/ambience/color', ambience.color);
+app.get('/ambience/color/*', ambience.color);
+app.get('/', routes.index);
+
+var server = http.createServer(app);
+var io = require('socket.io');
+var socket = io.listen(server);
+
+light.init(socket.of('ambience'));
+
+server.listen(app.get('port'), function() {
+  console.log("Express server listening on port " + app.get('port'));
+});
+
+
+

lib/artnet.js

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+var dgram = require('dgram');
+var Buffer = require('buffer').Buffer;
+
+function ArtNetClient(host, port) {
+	this._host = host;
+	this._port = port;
+	this.HEADER = [65, 114, 116, 45, 78, 101, 116, 0, 0, 80, 0, 14]; // 0 - 11
+	this.SEQUENCE = [0]; // 12
+	this.PHYSICAL = [0]; // 13
+	this.UNIVERSE = [0, 0]; // 14 - 15
+	//this.LENGTH = [0, 13]; // 16 - 17
+}
+exports.ArtNetClient = ArtNetClient;
+
+exports.createClient = function(host, port) {
+	return new ArtNetClient(host, port);
+}
+
+ArtNetClient.prototype.send = function(data) {
+	// Calcualte the length
+	var length_upper = Math.floor(data.length / 256);
+	var length_lower = data.length % 256;
+
+	var data = this.HEADER.concat(this.SEQUENCE).concat(this.PHYSICAL).concat(this.UNIVERSE).concat([length_upper, length_lower]).concat(data);
+	var buf = Buffer(data);
+
+
+	var sock = dgram.createSocket("udp4");
+	sock.send(buf, 0, buf.length, this._port, this._host, function() {
+		sock.close();
+	});
+}

lib/light.js

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+var artnet = require('./artnet');
+var onecolor = require('onecolor');
+
+var client = artnet.createClient("2.0.0.2", 6454);
+
+var light_map =  [3, 6, 9, 12, 15,
+	       19, 22, 25, 28, 31, 
+	       35, 38, 41, 44, 47, 
+	       51, 54, 57, 60, 64, 
+	       67, 70, 73, 76, 79];
+
+var maincolor = onecolor("yellow");
+
+exports.setMainColor = function(color) {
+console.log(color);
+console.log(onecolor(color));
+	maincolor = onecolor(color);
+	update();
+}
+
+exports.getMainColor = function() {
+	return maincolor;
+}
+
+exports.init = function(socket) {
+  socket.on('connection', function(client) {
+    socket.on('color', function(data) {
+      setMainColor(data);
+    });
+  });
+}
+
+function update() { 
+
+	dmx = new Array(128);
+
+	var r = maincolor.r() * 255;
+	var g = maincolor.g() * 255;
+	var b = maincolor.b() * 255;
+
+	for (var bar = 0; bar < 5; bar++) {
+		var offset = bar * 16;
+		for (var light = 0; light < 5; light++) {
+			var light_off = offset + light * 3;
+			dmx[light_off + 1] = r;
+			dmx[light_off + 2] = g; 
+			dmx[light_off + 3] = b; 
+		}
+	}
+
+
+	client.send(dmx);
+}
+

package.json

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+{
+  "name": "application-name",
+  "version": "0.0.1",
+  "private": true,
+  "scripts": {
+    "start": "node app"
+  },
+  "dependencies": {
+    "express": "3.0.0rc4",
+    "jade": "*"
+  }
+}