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Scrabbly GTUG presentation
Scrabbly is a massively multiplayer crossword game built in 48 hours, utilizing HTML5, CSS, and JavaScript, with a Node.js backend and MongoDB for game state storage. The game leverages various open-source technologies and services, including a json API, Pusher for messaging, and 2D geospatial indexing. The document provides insights into the development process, emphasizing feedback, prototyping, and aggressive scoping.
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Scrabbly GTUG presentation
- 1. Massive Fun Building Scrabbly Grant Goodale twitter: @ggoodale
- 2. Scrabbly? • http://scrabb.ly • MassivelyMultiplayer “Crossword Game” • Original version built in 48 hours • http://nodeknockout.com • @aviel, @damon, @railsjedi & me
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- 4. The good stuff •Implemented entirely in HTML5, CSS and Javascript - front to back. • (Okay, map generation is in ruby.) • Works in Safari, Chrome, FF, IE, Mobile Webkit
- 5. Lots of OpenSource
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- 7. How it works •Front end is a JQuery client-side web application • Node backend exports a simple JSON API • MongoDB stores game state • Browser events handled via Pusher
- 8. How it works •Node.js as the back end: http://nodejs.org • Google’s V8 JS engine with evented I/O added • Blazingly fast, stable (for us) • Note: Not an Apache replacement
- 9. How it works •Express Web framework: • http://expressjs.com • Similar to Sinatra for ruby • Middleware: Connect • Like Rack (again, for ruby)
- 10. How it works •MongoDB on the back end • http://mongodb.org • Awesome for rapid development • 2d geospatial indexing makes Scrabbly possible • Several 3rd party hosting companies
- 11. How it works •Messaging handled via Pusher • http://pusherapp.com • trivial to implement, rock solid • 500k messages/hour peak • 170 avg. simultaneous connections first day
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- 14. The Experience • 48hours is NOT very long. • Do everything you can ahead of time: paper prototypes, UI designs • Feedback! Show it around. Iterate. • Aggressively scope. Leave an out.
- 15. Questions? • Twitter: @ggoodale •Email: grant@moreblinktag.com • Go play! http://scrabb.ly