Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Augmented Reality in JavaScript

Zeno Rocha
April 02, 2013
Programming
13
11k

Augmented Reality in JavaScript

Presented at HTML5 Dev Conf - San Francisco, 2013.

Zeno Rocha

April 02, 2013
Tweet

More Decks by Zeno Rocha

See All by Zeno Rocha
The Next Generation of Developer-First Products
zenorocha
1
550
7 Habits of Highly Productive Developers
zenorocha
1
370
7 Hábitos de Desenvolvedores Altamente Produtivos
zenorocha
1
450
What's new in the Liferay Community
zenorocha
0
650
Launching Liferay Projects Faster with WeDeploy
zenorocha
1
540
How Liferay fits into the real of latest technologies
zenorocha
0
550
Estoicismo e JavaScript
zenorocha
3
1.1k
Por que ninguém se importa com seu novo projeto open source?
zenorocha
2
890
Como investir em... você!
zenorocha
1
530

Other Decks in Programming

See All in Programming
Formの複雑さに立ち向かう
bmthd
1
890
CI改善もDatadogとともに
taumu
0
180
Rails アプリ地図考 Flush Cut
makicamel
1
120
もう僕は OpenAPI を書きたくない
sgash708
5
1.8k
責務と認知負荷を整える! 抽象レベルを意識した関心の分離
yahiru
8
1.2k
お前もAI鬼にならないか？👹Bolt & Cursor & Supabase & Vercelで人間をやめるぞ、ジョジョー！👺
taishiyade
7
4.1k
Kubernetes History Inspector(KHI)を触ってみた
bells17
0
240
GitHub Actions × RAGでコードレビューの検証の結果
sho_000
0
280
Unity Android XR入門
sakutama_11
0
170
Visual StudioのGitHub Copilotでいろいろやってみる
tomokusaba
1
180
Go 1.24でジェネリックになった型エイリアスの紹介
syumai
1
190
Rubyで始める関数型ドメインモデリング
shogo_tksk
0
130

Featured

See All Featured
GraphQLの誤解/rethinking-graphql
sonatard
68
10k
Being A Developer After 40
akosma
89
590k
How To Stay Up To Date on Web Technology
chriscoyier
790
250k
The Cult of Friendly URLs
andyhume
78
6.2k
How to train your dragon (web standard)
notwaldorf
91
5.8k
Building an army of robots
kneath
303
45k
Testing 201, or: Great Expectations
jmmastey
42
7.2k
The Power of CSS Pseudo Elements
geoffreycrofte
75
5.5k
How GitHub (no longer) Works
holman
314
140k
Music & Morning Musume
bryan
46
6.4k
Making the Leap to Tech Lead
cromwellryan
133
9.1k
The MySQL Ecosystem @ GitHub 2015
samlambert
250
12k

Transcript

  1. augmented reality.js San Francisco, 2013.

  2. None

  3. I’m from brazil

  4. no, I don’t samba

  5. None
  6. None

  7. I ♥ HTML5

  8. html5-pro.com/wormz

  9. I ♥ opensource

  10. browserdiet.com

  11. today we’re going to talk about augmented reality...

  12. None

  13. ...and how to integrate different HTML5 APIs

  14. augumented reality is everywhere, or it will be... augmented reality

    is (or at least will be) everywhere

  15. before it was cool used Google Glass

  16. what is augmented reality?

  17. None

  18. how can you do it using javascript?

  19. mzl.la/ilyX7k

  20. 1. capture webcam

  21. None

  22. dev.w3.org/2011/webrtc/editor/webrtc.html

  23. None

  24. Access user's camera and microphone navigator.getUserMedia({ video: true, audio: true

    }, onSuccess, onFail); STEP 1

  25. 2. play the captured video

  26. <video>

  27. Play webcam's content into a video element function onSuccess(stream) {

    var video = document.querySelector('video'); video.src = window.URL.createObjectURL(stream); video.onloadedmetadata = function(e) { // Ready }; } STEP 2

  28. 3. track a pattern of pixels

  29. <canvas>

  30. <video> <canvas>

  31. None

  32. fiducial markers

  33. github.com/kig/JSARToolKit

  34. libspark.org/wiki/saqoosha/FLARToolKit/en

  35. hitl.washington.edu/artoolkit

  36. soundstep.com/blog/experiments/jstracking/

  37. bit.ly/XR0aGH

  38. bit.ly/124FT3A FIDUCIAL MARKERS

  39. None

  40. <html><head> <script src="../../src/NyAs3Utils.js"></script> <script src="../../src/FLARArrayUtil.js"></script> <script src="../../src/FLARException.js"></script> <script src="../../src/FLARMat.js"></script> <script

    src="../../src/FLARRgbPixelReader.js"></script> <script src="../../src/NyARHistogramAnalyzer.js"></script> <script src="../../src/NyARPca2d.js"></script> <script src="../../src/NyARRasterReader.js"></script> <script src="../../src/NyARTypes.js"></script> <script src="../../src/FLARRasterFilter.js"></script> <script src="../../src/FLARTypes.js"></script> <script src="../../src/NyARLabel.js"></script> <script src="../../src/FLARLabeling.js"></script> <script src="../../src/NyARParam.js"></script> <script src="../../src/FLARParam.js"></script> <script src="../../src/NyARRaster.js"></script> <script src="../../src/FLARRaster.js"></script> <script src="../../src/NyARCode.js"></script> <script src="../../src/FLARCode.js"></script> <script src="../../src/NyARMatch.js"></script> <script src="../../src/NyARRasterAnalyzer.js"></script> <script src="../../src/FLARRasterAnalyzer.js"></script> <script src="../../src/NyARRasterFilter.js"></script> <script src="../../src/NyARSquareDetect.js"></script> <script src="../../src/FLARSquareDetect.js"></script> <script src="../../src/NyARTransMat.js"></script> <script src="../../src/FLARTransMat.js"></script>
  41. None

  42. face detection

  43. webdesign.maratz.com/lab/responsivetypography RESPONSIVE TYPOGRAPHY

  44. github.com/auduno/headtrackr

  45. auduno.github.com/headtrackr/examples/targets.html HEADTRACKR TARGETS

  46. None
  47. None

  48. @eduardolundgren (Liferay)

  49. trackingjs.com

  50. bit.ly/YVPz3e

  51. bit.ly/ZSZuUd TRACKING.JS SINGLE CONTROLLER

  52. None

  53. Imports tracking.js core Imports tracking.js color module <script src="tracker/color.js"></script> <script

    src="tracking.js"></script> STEP 1 SINGLE CONTROLLER

  54. Gets user's camera and renders it var videoCamera = new

    tracking .VideoCamera() .render(); STEP 2 SINGLE CONTROLLER

  55. Hides video camera and renders a canvas from it videoCamera

    = videoCamera .hide() .renderVideoCanvas(); STEP 3 SINGLE CONTROLLER

  56. STEP 4 SINGLE CONTROLLER Instantiates tracking by magenta color videoCamera.track({

    type: 'color', color: 'magenta', onFound: function() {}, onNotFound: function() {} });

  57. STEP 5 SINGLE CONTROLLER Paints with magenta all detected pixels

    onFound: function(track) { var pixels = track.pixels, ctx = videoCamera.canvas.context; for (var i = 0, len = pixels.length; i < len; i += 2) { ctx.fillStyle = "rgb(255,0,255)"; ctx.fillRect(pixels[i], pixels[i+1], 2, 2); } ctx.fillStyle = "rgb(0,0,0)"; ctx.fillRect(track.x, track.y, 5, 5); }

  58. bit.ly/118nzaL TRACKING.JS MULTIPLE CONTROLLERS

  59. None

  60. Gets user's camera and renders it var videoCamera = new

    tracking .VideoCamera() .render(); STEP 1 MULTIPLE CONTROLLERS

  61. Hides video camera and renders a canvas from it videoCamera

    = videoCamera .hide() .renderVideoCanvas(); STEP 2 MULTIPLE CONTROLLERS

  62. STEP 3 MULTIPLE CONTROLLERS Instantiates tracking by magenta color videoCamera.track({

    type: 'color', color: 'magenta', onFound: function() {}, onNotFound: function() {} });

  63. STEP 4 MULTIPLE CONTROLLERS Draws a square around tracked area

    onFound: function(track) { var size = 60 - track.z; var ctx = videoCamera.canvas.context; ctx.strokeStyle = "rgb(255,0,255)"; ctx.lineWidth = 3; ctx.strokeRect(track.x - size*0.5, track.y - size*0.5, size, size); }

  64. STEP 5 MULTIPLE CONTROLLERS Instantiates tracking by cyan color videoCamera.track({

    type: 'color', color: 'cyan', onFound: function() {}, onNotFound: function() {} });

  65. STEP 6 MULTIPLE CONTROLLERS Draws a square around tracked area

    onFound: function(track) { var size = 60 - track.z; var ctx = videoCamera.canvas.context; ctx.strokeStyle = "rgb(0,255,255)"; ctx.lineWidth = 3; ctx.strokeRect(track.x - size*0.5, track.y - size*0.5, size, size); }

  66. bit.ly/10mIS6h TRACKING.JS DRAW SOMETHING

  67. None

  68. bit.ly/XR5vha TRACKING.JS MINECRAFT

  69. None
  70. None

  71. bit.ly/X6LuGj TRACKING.JS GLASSES

  72. IT’S UP TO YOU!

  73. None

  74. thanks :) zenorocha.com