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# AR.js - Augmented Reality for the Web
[](https://github.com/jeromeetienne/AR.js)
[](https://www.npmjs.com/package/ar.js)
[](https://www.npmjs.com/package/ar.js)
[](https://travis-ci.org/jeromeetienne/AR.js)
<br class="badge-separator" />
[](https://gitter.im/AR-js/Lobby)
<span class="badge-patreon"><a href="https://patreon.com/jerome_etienne" title="Donate to this project using Patreon"><img src="https://img.shields.io/badge/patreon-donate-yellow.svg" alt="Patreon donate button" /></a></span>
[](https://twitter.com/jerome_etienne)
I am focusing hard on making AR for the web a reality.
This repository is where I publish the code.
Contact me anytime [@jerome_etienne](https://twitter.com/jerome_etienne).
Stuff is still moving fast, we have reached a good status though.
An article has been published on [uploadvr](https://uploadvr.com/ar-js-efficient-augmented-reality-for-the-web/).
So I wanted to publish this so people can try it and have fun with it :)
- **Very Fast** : it runs efficiently even on phones. [60 fps on my 2 year-old phone](https://twitter.com/jerome_etienne/status/831333879810236421)!
- **Web-based** : It is a pure web solution, so no installation required. Full javascript based on three.js + jsartoolkit5
- **Open Source** : It is completely open source and free of charge!
- **Standards** : It works on any phone with [webgl](http://caniuse.com/#feat=webgl) and [webrtc](http://caniuse.com/#feat=stream)
[](https://youtu.be/0MtvjFg7tik)
# Try it on Mobile
It works on all platforms. Android, iOS and window phone. It runs on **any browser with WebGL and WebRTC** (for iOS, you need to update to iOS 11).
To try it on your phone, it is only 2 easy steps, check it out!
1. Open this [hiro marker image](https://jeromeetienne.github.io/AR.js/data/images/HIRO.jpg) in your desktop browser.
1. Open this [augmented reality webapps](https://jeromeetienne.github.io/AR.js/three.js/examples/mobile-performance.html) in your phone browser, and point it at your screen.
**You are done!** It will open a webpage which read the phone webcam, localize a hiro marker and add 3d on top of it, as you can see below.
# Standing on the Shoulders of Giants
So we shown it is now possible to do 60fps web-based augmented reality on a phone.
This is great for sure but how did we get here ? **By standing on the shoulders of giants!**
It is thanks to the hard work from others, that we can today reach this mythic 60fps AR.
So I would like to thank:
- **three.js** for being a great library to do 3d on the web.
- **artoolkit**! for years of development and experiences on doing augmented reality
- **emscripten and asm.js**! thus we could compile artoolkit c into javascript
- **chromium**! thanks for being so fast!
Only thanks to all of them, I could do my part : Optimizing performance from 5fps on high-end
phone, to 60fps on 2years old phone.
After all this work that has been done by a lot of people, we have a *web-based augmented reality solution fast enough for mobile*!
Now, many people have a phone powerful enough to do web AR in their pocket.
I think this performance improvement makes web AR a reality.
I am all exited by what people are going to do with it :)
# Performance
We are still early in the project, but here are some initial numbers to give you an idea.
- I've gotten 60fps stable on nexus6p
- Some reports [Sony Xperia Z2 (2.5 years old) runs around 50fps](https://twitter.com/leinadkalpot/status/834121238087925763) - This is a 170 Euro phone
- Some reports [~50fps on a old nexus5, and ~60fps on nexus 9](https://twitter.com/Ellyll/status/834312442926751744) - nexus5 is 3.5 years old!
- Some report it working on Edge on Windows phone!! [13fps on Lumia 950](https://twitter.com/leinadkalpot/status/834299384510763012) for some.
[40-45fps on lumia 930](https://twitter.com/fastclemmy/status/834817155665391616) for others.
Obviously your mileage may vary. The performance you get will depend on 3 things: How heavy your 3D is, How you tune your parameters
and the hardware that you are using.
# Full Featured Marker based
With this project, we bring more performance to artoolkit.
artoolkit is software with years of experience doing augmented reality. It is able to do a lot!
It is marker based. It supports a wide range of markers: multiple types of markers [pattern](https://artoolkit.org/documentation/doku.php?id=3_Marker_Training:marker_training)/[barcode](https://artoolkit.org/documentation/doku.php?id=3_Marker_Training:marker_barcode)
multiple independent markers at the same time, or [multiple markers acting as a single marker](https://artoolkit.org/documentation/doku.php?id=3_Marker_Training:marker_multi)
up to you to choose.
# What’s New?
Recently, we’ve been getting creative and working on developing new things with AR.js. One of them is playing around with [shadows](https://twitter.com/jerome_etienne/status/837240034847764480), syncing the position of virtual lights with reality for a more life-like finish:
We’ve been collaborating very closely with [Fredrick Blomqvist](https://twitter.com/snigelpaogat). His input has had a great impact on AR.js innovation and we want to thank him. Together, we’ve been implementing [refraction](https://twitter.com/jerome_etienne/status/838749280999518208), giving the 3d a transparent/glassy effect. It ended up having a nice polished look. What do you guys think?
Other crazy ideas we’ve been working on include a [hole in the wall](https://twitter.com/jerome_etienne/status/836754117964017664) and a [portal into another world](https://twitter.com/jerome_etienne/status/838404908235776000). We want to take AR.js to new dimensions.
# Principles
- "Shared #ar is a lot more real than solo #AR." - Augmented reality principle [tweet](https://twitter.com/jerome_etienne/status/847889867296124933)
- "The marker must be a portal from where the virtual emerges." by @AndraConnect - #AR principles at dinner 😏 [tweet](https://twitter.com/jerome_etienne/status/842112692211056640)
# Status
- At the three.js level is the main one. It is working well and efficiently
- a-frame component - it export ```<a-marker>``` tag. It becomes real easy to use.
It allows the things three.js extension does. Here are some slides
[aframe-artoolkit](http://jeromeetienne.github.io/slides/artoolkit-aframe/)
- webvr-polyfill: it is kind of working - still a work-in-progress
# Augmented reality for the web in less than 10 lines of html
A-Frame magic :) All details are explained in this super post
["Augmented Reality in 10 Lines of HTML - AR.js with a-frame magic"](https://medium.com/arjs/augmented-reality-in-10-lines-of-html-4e193ea9fdbf)
by
[@AndraConnect](https://twitter.com/AndraConnect).
```html
<!doctype HTML>
<html>
<script src="https://aframe.io/releases/0.6.1/aframe.min.js"></script>
<script src="https://cdn.rawgit.com/jeromeetienne/AR.js/1.5.0/aframe/build/aframe-ar.js"> </script>
<body style='margin : 0px; overflow: hidden;'>
<a-scene embedded arjs>
<a-marker preset="hiro">
<a-box position='0 0.5 0' material='color: black;'></a-box>
</a-marker>
<a-entity camera></a-entity>
</a-scene>
</body>
</html>
```
See on [codepen](https://codepen.io/jeromeetienne/pen/mRqqzb) or [bl.ocks.org](https://bl.ocks.org/jeromeetienne/feeb69257803e69f18dc3ea5f4fc6d71)
# Posts on medium
We started a [AR.js blog](https://medium.com/arjs), thus we can write about
all the crazy ideas related to AR.js.
- ["Area Learning with Multi-Markers in AR.js - For a Larger & More Stable Augmented Reality"](https://medium.com/arjs/area-learning-with-multi-markers-in-ar-js-1ff03a2f9fbe)
by [@AndraConnect](https://twitter.com/AndraConnect)
- ["WebVR for Augmented Reality - Using WebVR to write cross-platform AR applications"](https://medium.com/arjs/webvr-for-augmented-reality-f1e69a505902)
by [@jerome_etienne](https://twitter.com/jerome_etienne)
- ["Augmenting The Web Page - Bringing augmenting reality to normal web pages"](https://medium.com/arjs/augmenting-the-web-page-e893f2d199b8)
by [@jerome_etienne](https://twitter.com/jerome_etienne)
- ["Server Rendering for Augmented Reality - Cloud Rendering with Web Standards"](https://medium.com/arjs/server-rendering-for-augmented-reality-2de0a71aae04)
by [@jerome_etienne](https://twitter.com/jerome_etienne)
- ["AR-Code:a Fast Path to Augmented Reality - From qrcode to AR.js content"](https://medium.com/arjs/ar-code-a-fast-path-to-augmented-reality-60e51be3cbdf)
by [@jerome_etienne](https://twitter.com/jerome_etienne)
- ["Augmented Reality in 10 Lines of HTML - AR.js with a-frame magic"](https://medium.com/arjs/augmented-reality-in-10-lines-of-html-4e193ea9fdbf)
by [@AndraConnect](https://twitter.com/AndraConnect)
# Great Posts by Users
- How to write a AR.js application ?
Here is a [full tutorial](https://marmelab.com/blog/2017/06/19/augmented-reality-html5.html)
by [marmelab](https://marmelab.com/) featuring [François Zaninotto](https://twitter.com/francoisz).
It explain how to code a full application on phone! Step by Steps, with explaination and videos.
Very great! the perfect step if you want to start writing AR application today.
- Great post about [WebAR for designer](http://www.nexusinteractivearts.com/webar/)
by [nexus interactive arts](http://www.nexusinteractivearts.com/)
# Augmented Website
[Seminal post](https://medium.com/arjs/augmenting-the-web-page-e893f2d199b8) explaining the concept.
The service is available [webxr.io/augmented-website](https://webxr.io/augmented-website/)
[](https://webxr.io/augmented-website/)
# Examples
Some applications:
- [Pattern Marker Training](https://jeromeetienne.github.io/AR.js/three.js/examples/marker-training/examples/generator.html) :
Generate a [pattern marker](https://artoolkit.org/documentation/doku.php?id=3_Marker_Training:marker_training) with your own image.
- [ARCode Generator](https://jeromeetienne.github.io/AR.js/three.js/examples/arcode.html) :
Generator of AR-Code
([source](https://github.com/jeromeetienne/AR.js/blob/master/three.js/examples/arcode.html))
- [WebAR Playground](https://jeromeetienne.github.io/webar-playground/) :
Playground running in WebAR with ar.js/chromiumAR
[ALL EXAMPLES](https://jeromeetienne.github.io/AR.js-docs/misc/EXAMPLES.html)
# Folders
- ```/three.js``` is the extension to use it with [pure three.js](https://threejs.org)
- ```/aframe``` is the extension to use it with [a-frame](https://aframe.io)
- ```/webvr-polyfill``` is the WebVR polyfill so you can reuse your #AR / #VR content easily
# Licenses
It is **all open source** ! jsartoolkit5 is under LGPLv3 license and additional permission.
And All my code in AR.js repository is under MIT license. :)
For legal details, be sure to check [jsartoolkit5 license](https://github.com/artoolkit/jsartoolkit5/blob/master/LICENSE.txt)
and [AR.js license](https://github.com/jeromeetienne/AR.js/blob/master/LICENSE.txt).
# Change Log
[CHANGELOG.md](https://github.com/jeromeetienne/AR.js/blob/master/CHANGELOG.md)
# What's Next ?
We did good on performance, but there are still a lot of room for optimisation.
Using [webworkers](https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API/Using_web_workers)
would increase cpu usage. Compiling in [webassembly](https://webassembly.org) instead
of [asm.js](http://asmjs.org/) should improve loading time and likely cpu performance.
And obviously, we can still do more parameters tweaking :)
I would like people start experience augmented reality and play with it.
This is highly creative! Just look at this [puzzle game in #AR playing with mirror and laser beam](https://www.youtube.com/watch?v=OzLJb7HitvA).
You could do it with AR.js, so opensource and running on normal phones, no need to buy a new device. isn't that great!
Augmented reality on phone have applications in many fields:
[history education](https://www.youtube.com/watch?v=gyp8ZYtyu_M)
, [science](https://www.youtube.com/watch?v=gMxdBdLpVgc)
or [gaming](https://www.youtube.com/watch?v=kEMDgvfFUcI).
I exited to see what people will do with AR.js :)
# Browser Support
Demo tested on the following browser setups:
- **Desktop Chrome with webcam and 2 tabs** (one for Hero, one for result) (works!)
- **Android native 4.4.2** (doesn't work, doesn't ask for permission to use camera. I see white background and text)
- **Android native 5.0** (doesn't work, doesn't ask for permission, I see white background and text)
- **Chrome on Android 4.4.2** (works!)
- **Chrome on Android 5.0** (doesn't work, asks for permission, I see black background, text and a chart)
- **Safari and Chrome on iOS < 11** (doesn't work, doesn't ask for permission, I see white background and text)
- **Microsoft Edge on Windows 10** (Chrome on Google Pixel phone to view hologram)
Credits: @HelloDeadline, @sorianog
# Future
[FUTURE.md](https://jeromeetienne.github.io/AR.js-docs/misc/FUTURE.html)
# FAQ
[FAQ.md](https://jeromeetienne.github.io/AR.js-docs/misc/FAQ.html)
# How To Release ?
This one is mainly for [me](https://twitter.com/jerome_etienne) to remember :)
```bash
# Update CHANGELOG.md - remove the -dev into version
atom CHANGELOG.md
# replace REVISION to the proper version, search/replace on the version string should do it
atom three.js/src/threex/threex-artoolkitcontext.js package.json README.md
# Rebuild and minify everything - aka a-frame and three.js
make minify
# Commit everything
git add . && git commit -a -m 'Last commit before release' && git push
# Go to master branch
git checkout master
# Merge dev branch into master branch
git merge dev
# tag the release
git tag 1.6.2
# push the tag on github
git push origin --tags
# push commits tag on github
git push
# update npm package.json
npm publish
# Come back to dev branch
git checkout dev
# Update CHANGELOG.md - start new dev version
atom CHANGELOG.md
# update the a-frame codepen if needed
open "https://codepen.io/jeromeetienne/pen/mRqqzb?editors=1000#0"
```