Augmented Reality with JavaScript and Appcelerator Titanium
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Augmented Reality with JavaScript (using
Appcelerator Titanium)
Jeff Bonnes, December 2012
@jeffbonnes / @titaniumdev
Thursday, 13 December 12
Agenda
What is Augmented Reality?
Appcelerator Titanium
History of Augmented Reality in Titanium
JavaScript AR Framework in Titanium [Demo]
On device testing made easy (TiShadow)
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What is Augmented Reality?
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Image Recognition vs Geolocation
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Demo
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Maps are everywhere...
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Appcelerator TitaniumBridge from JavaScript objects into native mobile API
Cross Platform
WebKit KJS JavaScript engine on iOS
V8 on Android
BB10 and Windows Phone expected 2013
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How Titanium works
JS Engine ‘Native’
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How Titanium works
JS Engine ‘Native’var view = Ti.UI.createView({ backgroundColor:‘white’});
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How Titanium works
JS Engine ‘Native’var view = Ti.UI.createView({ backgroundColor:‘white’});
view.top = ‘20dp’;
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How Titanium works
JS Engine ‘Native’var view = Ti.UI.createView({ backgroundColor:‘white’});
Ti.Geolcation.addEventListener(‘location’, function(e){ // e has native stuff that I can use});
view.top = ‘20dp’;
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Power of JavaScriptAdding properties and functions to objects (native proxies)
Parasitic inheritance
Custom objects
Dynamic function signatures
CommonJS
JSON object creation
Execution at run-time
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A Map in Titanium
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Titanium Augmented Reality
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Titanium Augmented Reality
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Geolocation
My Location (GPS)
Point of Interest (Poi) location (lat, long)
Bearing / Heading (Compass)
Math
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CalculationsBearing / Heading
Distance
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How many calculations?
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How many calculations?
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How many calculations?
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How many calculations?
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How many calculations?
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How many calculations?
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How many calculations?
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Demo
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Radar
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Making it modular
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On device testing is slow....
Use TiShadow!
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Thank You!
jeffb@gameshape.com
http://www.titaniumdevelopment.com.au
@titaniumdev
https://github.com/jeffbonnes/parmavision
http://www.appcelerator.com/
https://github.com/dbankier/TiShadow
http://www.packtpub.com/augmented-reality-using-appcelerator-titanium-starter/book
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