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The latest blog posts to take off on Hacker News. 2,047 posts.

Games & Graphics
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1295

Game Loop

If there is one pattern this book couldn’t live without, this is it. Game loops are the quintessential example of a “game programming pattern”. Almost every game has one, no two are exactly alike, and relatively few programs outside of games use them.

1304

Pathfinding for Tower Defense

In a Tower Defense game, there are many enemies that are all headed to the same place. In many Tower Defense games, there is a predetermined path, or a small number of paths. In some, such as the classic Desktop Tower Defense [1] , you can place towers anywhere, and they act as obstacles that affect the paths taken by…

1306

How DOOM fire was done

The Game Engine Black Book: DOOM features a whole chapter about DOOM console ports and the challenges they encountered. The utter failure of the 3DO, the difficulties of the Saturn due to its affine texture mapping, and the amazing "reverse-engineering-from- scratch" by Randy Linden on Super Nintendo all have rich…

1310

Path Tracing vs. Ray Tracing (2016)

Path tracing is all the rage in the offline rendering space these days. From Cycles to SuperFly (based on the open source Cycles) to Octane, most new rendering engines seem to be using this technology. Sometimes referred to as “unbiased, physically correct rendering” what is path tracing, how is it different to ray…

1317

The Game Engine Black Book: Doom

The Game Engine Black Book: DOOM is now available for purchase. It is being released exactly 25 years after DOOM.zip was first published on the University of Wisconsin FTP server in December 1993. You can get it at the following locations: - Amazon ( USA , France , UK , and many more). - Google Books ( here with no…

1318

Great Adventure-Game Puzzles

This blog has become, among other things, an examination of good and bad game-design practices down through the years, particularly within the genre of adventure games. I’ve always tried to take the subject seriously, and have even dared to hope that some of these writings might be of practical use to someone — might…

1319

Secrets of smooth Béziers

I haven’t posted here much lately, and I admit, it’s because I’ve gotten sidetracked thinking about curves again. I did my PhD thesis on curves, so spent years thinking about them, then put that on hold for a while, aside from some work in crunching font file sizes down.