Top posts

Every blog post that took off on Hacker News, ranked by the votes of its best submission. 2,047 posts.

Games & Graphics
Any year
1537

Fix Your Timestep

Introduction Hi, I’m Glenn Fiedler and welcome to Game Physics. In the previous article we discussed how to integrate the equations of motion using a numerical integrator. Integration sounds complicated, but it’s just a way to advance the your physics simulation forward by some small amount of time called “delta time”…

1538

Minesweeper: Advanced Tactics (2005)

In this position, I know about a bunch of mines on all the remaining fronts, but I can't quite determine where they are. There are a few mines that might be in one of two positions (red or blue), a cluster of mines that might be in one of two arrangements (green), and a more complex situation in the top left which I…

1546

A whole boss fight in 256 bytes

Endbot is a complete audio-visual demo that fits in exactly 256 bytes . It runs under DOS (via DosBox-X) and renders in real-time: a robot sprite with progressive bullet damage, a growing explosion, a scrolling checkerboard landscape, and a MIDI soundtrack - all from a single tiny .com file.

1549

How to print your Guild Wars 2 character

2025 update v2: I made a tool that fixes distortions introduced by Intel GPA, and that tool made few sections of this blog obsolete. As such, they’ve been deleted. Old version is still available here.2025 update. This blog post now also exists as a youtube video. Yes, the video is 1 hour 20, so about twice as long as…

1557

Make a Doom level, part 1: the basics

I love Doom. Or, well, I love Doom 2, which is the game we actually had when I was nostalgia years old. I love the aesthetic — pixely in a 3D(ish) environment, and consistent in a way that meshes together really well. The classic levels are abstract (occasionally too abstract), but still detailed enough to feel like…