Hydna is a hosted backend into which you can send data and have it instantly appear on other devices.

1. www.hydna.com
Create new kinds of multiuser experiences using
hydna and Unity

2. What is hydna
Platform agnostic
Bindings for Unity, C#, C++, Obj-C, Erlang, Actionscript, Nodejs, Java,
Javascript, Android, iOS
Scalable hosted networking platform
No need for a third party server

3. DEMO TIME

4. Works in Unity3D Free and Pro,
even on iOS and Android

5. using Hydna.Net;
!
channel = new Channel();
!
channel.Connect ("yourdomain.hydna.net?secret",
ChannelMode.ReadWrite);
!
channel.Open += delegate(object sender, ChannelEventArgs e) {
Debug.Log("Joined channel, message=" + e.Text);
channel.send(“Hello world!”);
};
!
channel.Data += delegate(object sender, ChannelDataEventArgs e) {
Debug.Log(“Received message=" + e.Text);
};
!
channel.Close += delegate(object sender, ChannelCloseEventArgs e) {
Debug.Log(“Failed to join, reason=" + e.Reason);
};
Unity/C#

6. channel = new HydnaChannel("yourdomain.hydna.net?secret", "rw");
!
channel.onopen = function(evt) {
console.log("Joined channel, message=" + evt.data);
channel.send(“Hello world!”);
};
!
channel.onmessage = function(evt) {
console.log(“Recieved message=" + evt.data);
};
!
channel.onclose = function(evt) {
console.log("Failed to join, reason=" + evt.reason);
};
Browser/Javascript

7. Channels are multiplexed, cheap, and
has outstanding performance

8. behavior("/", {
open: function(evt) {
if (evt.token == “secret”) {
evt.allow(“Welcome”);
} else {
evt.deny(“Wrong password”);
}
}
});
Behavior

9. Things you can do with behaviors
Routing
Room partitioning
Authentication
Password protection
Logging
External services
Connect to Facebook, etc

10. behavior(“/players/{name}“, {
open: function(evt) {
var lobby = evt.domain.getChannel(“/“);
evt.domain.set(“players:” + evt.connection.id, evt.params.name);
lobby.emit(“Player “ + evt.params.name + “ joined the game”);
evt.allow(“Welcome ” + evt.params.name);
},
close: function(evt) {
var lobby = evt.domain.getChannel(“/“);
evt.domain.del(“players:” + evt.connection.id);
lobby.emit(“Player “ + evt.params.name + “ leaved the game”);
}
});
Behavior

11. !
behavior("/facebook/auth/{uid}", {
open: function (evt) {
var uid = evt.params.uid;
var token = evt.token;
var url = 'https://graph.facebook.com/'+ uid + '?access_token=' + token;
http.get(url, function(err, body){
var response = JSON.parse(body);
!
if (err || response.error){
evt.deny("NOT_ALLOWED");
}
!
evt.allow("Welcome facebook user");
});
}
});
Authenticate with Facebook

12. Upcoming features
Geo-Location
(Track your players)
Persistant storage
(User database, scoreboards)
Workers
(Server-side game loops)
Open-Source

13. Try it out today
No credit-card required
Free sign-up
(up to 30 concurrent connections)
A lot of examples and docs

14. Learn more
www.hydna.com
hydna Unity plugin
github.com/hydna/hydna-unity-plugin
Chicken Demo
github.com/hydna/hydna-unity-chicken-demo
Feedback, questions and suggestions: info@hydna.com