February 20, 2013 Pentagons A while back I developed a mild obsession with pentagons (mathematical ones, not symbolistic!) It started when I discovered some beautiful (simple and to me,…
June 15, 2010 Region Quadtrees in C++ (Original image by GoAwayStupidAI). Below are four C++ implementations of the region quadtree (the kind used for image compression, for example). The different implementations…
October 25, 2009 Tips for Designing and Implementing a Stimulus Response Agent (Original Image by everyone’s idle.) This post was a originally published on Luma Labs, now dead. As old as stimulus-response techniques are, they still…
October 24, 2009 Guerrilla Tool Development Tools for editing game levels and AI for your own games are nice to have, but it is not always practical to implement these…
October 8, 2009 15 Steps to Implement a Neural Net (Original image by Hljod.Huskona / CC BY-SA 2.0). I used to hate neural nets. Mostly, I realise now, because I struggled to implement them correctly. Texts…
April 9, 2009 Cellular Automata for Simulation in Games A cellular automata system is one of the best demonstrations of emergence. If you do not know what cellular automata (CA) is, then you…
I am Herman Tulleken. I have an honors degree in computer engineering, and I have been making games professionally since 2006, working for Luma…
December 7, 2008 Random Steering – 7 Components for a Toolkit Random steering is often a useful for simulating interesting steering motion. In this post we look at components that make up a random steering…
November 15, 2008 Quadtrees The code below implements some quadtree extensions, as discussed in another Dev.Mag tutorial about quadtrees (see Issue 27). The tutorial covers the following topics:…
I use this code to illustrate many of the tutorials on this site, and the articles I write for Dev.Mag. Ideally, I would like…