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ipod-classic-js
An iPod Classic emulator that connects to Apple Music and Spotify. Built with React & Styled Components
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eme-encryption-scheme-polyfill
A polyfill to add support for EncryptionScheme queries in EME and MediaCapabilities.
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SurveyJS
Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
Simpler than one might think - once you do the math to project each touch/mouse event down to an angle, you just need to quantize the angle to a certain number of discrete options (which you can measure on an actual device), look at the event stream of such angle events pairwise, and take the sign of the pairwise difference as right/left or up/down!
The much harder part when designing the iPods themselves was to build a robust touch sensor given the hardware of the day, and actually come up with pleasing dimensions and quantization parameters as a designer!
Code for this implementation: https://github.com/tvillarete/ipod-classic-js/blob/master/sr...
