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Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 2,047 posts.
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What happens when you make a move in lichess.org?
Dive deep into the open-source architecture of Lichess.org to understand the technical processes behind making a move in a game.
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The curious case of retro demo scene graphics
The demo scene has a peculiar view on copyright . It roughly boils down to a system of effort - effort in ideas, effort in craft - where the scene polices itself and punishes sceners that steal outright from other sceners. Theft from the outside world, however, is often taken lightly - especially when it comes to…
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The Poor Man's 3D Camera
Each of us have our own giants to face. This is a story about one of my giants. Something I never imagined could make a grown man cry, until it did. A 3D camera. No one can face your giants for you. This is a story, not a walkthrough. Expect no useful information. For that I recommend 50 Game Camera Mistakes by…
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Parable of the Polygons – a playable post on the shape of society
A playable post on how harmless choices can make a harmful world.
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Accidentally making a language, for an engine, for a game
It's a wise saying, because we game developers have so much fun making the underlying foundations, that we never get around to adding the actual gameplay.
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Fine-tuning Mistral 7B on Magic the Gathering Draft
Tips, examples, and thoughts from an exploration of the world of fine tuning
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Compromising a Linux desktop using 6502 opcodes on the NES
Overview A vulnerability and a separate logic error exist in the gstreamer 0.10.x player for NSF music files. Combined, they allow for ve...
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The neural network of the Stockfish chess engine
Last time, we briefly mentioned the high-level differences between Stockfish and Leela Chess. To recap, Stockfish evaluates about 100 million positions per second using rudimentary heuristics, wher…
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Deciphering the Business Card Raytracer
I recently came across Paul Heckbert's business card raytracer. For those that have never heard of it: It is a very famous challenge in the Computer Graphics field that started on May 4th, 1984 via a post on comp.graphics by Paul Heckbert ( More about this in his article " A Minimal Ray Tracer " from the book Graphics…
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Rotating Images
How to rotate an image, and a need trick to rotate a bitmap an arbitrary amount in a simple paint package.
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PlayStation Architecture
An in-depth analysis that explains how this console works internally
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Space Cadet Pinball on Linux
Stephen Brennan's personal website and blog.
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Land value tax in online games and virtual worlds (2022)
A high-level how-to guide by Lars Doucet and Dan Cook for game designers and game economists working in large multiplayer online games and/or virtual worlds.
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Assassin’s Creed: Valhalla and the Unfortunate Implications
Bret Devereaux (A Collection of Unmitigated Pedantry)2020352 points302 commentscited by 5History & Retro Computing details
We’re going to be a bit silly this week (in part because the ending of this compressed semester has left me with little time) and talk about the recently released historical action-RPG comput…
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Playing battleships over BGP
BGP is the glue of the internet. For a protocol that was produced on two napkins in 1989 it is both amazing and horrifying that it runs almost all of the ISP to ISP interactions and is now a very fundemental part of the internet.
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Improving Heuristics for A* Pathfinding
On my Introduction to A* page I cover the basics of the A* graph search algorithm for finding shortest paths. Here’s an example from the town of Denerim in Dragon Age Origins. Try moving the start and goal to see A* in action:
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I built a Game Boy emulator in F#
Hundreds of hours, many late nights, and a working Game Boy emulator in F# with sound, running on desktop and web.
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What it takes to make a game by yourself
Macrocosm is a mobile game that takes you from atom to galactic empire across seven interconnected stages where making progress in one stage gives you a boost in the next! This post is a deep dive into the (nearly) four years of free time I spent making it.
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Personal thoughts/notes from working on Zootopia 2
The home of Code & Visuals
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The joy of building a ray tracer, for fun, in Rust
TLDR? You can find the code and a bunch of examples on GitHub at dps/rust-raytracer. Over the holiday break, I decided to learn Rust. Rust is a modern systems programming language which has a really interesting type system. The type system can catch broad classes of common programming mistakes - e.g. ensuring memory…
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Making Games on Your Own as an Engineer
In the Unity for Software Engineers (now updated and available as a book), series, I give an accelerated introduction to game development in Unity.
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Notch, WebGL, Dart, and ramping up quickly
Just a little something I thought was worth pointing out. @notch , the creator of Minecraft, has been posting updates on his latest toy proj...
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Classic 3D videogame shadow techniques
Towards the end of Wim Wenders’s excellent Perfect Days , the protagonist Hirayama is drinking beer under a bridge after he has seen a Businessman courting his crush. Suddenly the Businessman joins him under the bridge. As it turns out, things aren’t actually that simple but the point is their conversation takes them…
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Can Doom Run It? An Adding Machine in Doom
For decades, we've asked ourselves "Can it run Doom?". Now we can finally make the ultimate punchline: "Can Doom run it?"
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