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My latest flash game, Robokill 2
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Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 2,925 posts.
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Build a simple 2D physics engine for JavaScript games (2012)
Sometimes, the complexity and overhead of a third-party physics library, such as Box2D, is overkill for your JavaScript game. In this article, walk through an implementation of a straightforward 2D physics engine. Learn to create a simple physics world with gravity and collision detection between game objects. This…
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The Ruin of War
Bret Devereaux (A Collection of Unmitigated Pedantry)2021122 points31 commentsHistory & Retro Computing details
This is the second part of a three part series (I) examining the historical assumptions of Paradox Interactive’s 19th and early 20th century grand strategy game, Victoria II. Last week, we lo…
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Writing a Guide to SDF Fonts
(TL;DR: this is a blog post about the process of writing my guide to SDF fonts .)
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Dissecting "Tiny Clouds" shadertoy (2017)
There is an amazing shadertoy called “Tiny Clouds” by stubbe (twitter: @Stubbesaurus) which flies you through nearly photorealistic clouds in only 10 lines of code / 280 characters (2 o…
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The Awful Anti-Pirate System That Will Probably Work
So, when I read that Assassin's Creed 2 for the PC would fight piracy by requiring a live internet connection all the time when you were pla...
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Procedurally generating a rounded box mesh
If you haven't heard the story about Steve Jobs, Bill Atkinson, and rounded corners, it's a fun read . A big takeaway is that rounded corners are everywhere . Let's take a look at procedurally generating a rounded box mesh.
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Matt Cutts: $1,000 to the 2 best implementations of the recently-hacked Kinect
I’m starting a contest for people that do cool things with a Kinect. See the details below. Before I joined Google, I was a grad student interested in topics like computer vision, motion self…
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Multi-user VR experiences with A-Frame (2017)
Salva de la Puente describes the sharedspace component he's built, which brings the power of WebRTC to A-Frame users. The component provides a collaboration model where participants can join or ...
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Never-Ending Man: Hayao Miyazaki [video]
After he retired from making feature length films in 2013, legendary animator Hayao Miyazaki started work on a short film using CGI animation techniques, which
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Procedural Island Generation (III)
Adding multi-scale noise layers, mountain distance fields, and elevation blending to create detailed terrain from the paint map foundation.
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The Geometry Behind Normal Maps
Tangent space is often presented as a confusing block of shader math. This is a deep dive into what tangent vectors actually mean, how they emerge from UVs to bridge 2D and 3D space, and the geometry that makes normal mapping possible.
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Atari Centipede’s Hidden Code Trap
During the peak of Atari’s success, one of the more unlikely tasks given to some of its coin-operated programmers, was to analyse potentially pirated versions of their games. This week, I tho…
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M.U.L.E. 40th Anniversary Special
Written and copyrighted by Christian A. Schiller , World of M.U.L.E. curator, with contributions from Andrew Dieffenbach, M.U.L.E. Online developer. No reprint without permission. Happy to get feedback on this feature, either via the contact form or one of the following social media accounts: Facebook , Twitter or…
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Life Off the Grid, Part 2: Playing Ultima Underworld
I rarely play or even see current games; the demands of this historical project of mine simply don’t allow for it. Thankfully, though, being a virtual time traveler does have its advantages. Just when I’m starting to feel a little sorry for myself, having heard about some cool new release I just don’t have time for, I…
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Building Principia for Windows XP
Back in the day when Principia originally released for Windows in 2014, the game would run on versions as far back as Windows XP. Given that Principia 1.4 was released while Windows XP still had mainstream support, this of course made sense at the time, and there was no real reason not to support it given that the…
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ChowJS: An AOT JavaScript engine for game consoles
Recently, we have been working on getting a large JavaScript game to run on game consoles. To make that happen, we made use of ChowJS, our ahead-of-time JavaScript compiler and runtime which can target game consoles.
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Magic: The Gathering Is Turing Complete (v5)
I'm assuming you're familiar with the basic idea of what a Turing machine is . There are a few parts to building one in Magic: a tape extending in two directions storing cells of a few different "colours"; a processing head that can read the current cell's colour, write a new colour and change its state if necessary…
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Image Dithering: Eleven Algorithms and Source Code (2012)
Dithering is still a surprisingly applicable technique, not just for practical reasons (such as preparing a full-color image for output on a non-color printer), but for artistic reasons as well. Dithering also has applications in web design, where it is a useful technique for reducing images with high color counts to…