This is a proof-of-concept app I wrote using AngularJS + FabricJS + Socket.io + Express to test out collaboration possibilities with FabricJS. It is a very Basic App with a limited feature set but is a good starting point for your own awesome Apps.

This Example shows you how to create a real time canvas, display the current User editing objects on it, keeping every object between boundaries even while scaling and techniques for some performance issues. Instead of sending position updates on every change I chose a more performance friendly method.

I also implemented some Responsive features, so this Example should run fine on mobile devices. I made the FabricJS canvas completely responsive. As said before, this is just proof-of-concept so a lot of features are missing and some parts may not be best practice.

Live Demo is hosted on Heroku

Live Demo

Clone this repository and run the following shell commands afterwards:

npm install

Run the following shell commands:

node app.js

For more information on AngularJS please check out http://angularjs.org/ For more on FabricJS and Socket.io, http://fabricjs.com/ and http://socket.io/ are your friends.

If you want more example Apps regarding AngularJS and lots of other stuff you can visit my homepage: http://www.virtualgeek.eu

The MIT License (MIT)

Copyright (c) 2015 Henry Keller <[email protected]>

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
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copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
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