Linkblog/2025/03/29

🌸 Learn Japanese grammar with TypeScript

とてもクールです !!!

“Bunnyhopping” is an exploit of a very popular bug in games like Quake III Arena, Half-Life, and Counter-Strike. Bunnyhopping, or bhopping for short, allows a player to exceed the game-defined speed limit. It has created entirely new methods of play and allows very exciting, fast-paced emergent gameplay. As a decidedly skill-based mechanic, competitive players love bhopping because it is so hard to master. Thus, it may be useful to you as a game developer to “implement” bunnyhopping into your game. The purpose of this article is to define what bunnyhopping is, why it is important to consider as a game developer, and how to implement it mathematically into your FPS movement code. All code examples are open-source and free to use, as always.

I love Source Engine / Quake style movement, I’ve spent many hours on CSGO Surf / Bhop servers.

This is honestly my special interest, and what’s cool, is you can dive into the source code for implementation / genealogy for the different approaches as well!

• Quake’s pmove.c

• Quake II’s pmove.c.

• Quake III Areana’s bg_pmove.c

• GoldSrc’s pm_shared.c

• Source Engines’s gamemovement.cpp.

I gave ChatGPT, Claude, Grok, & Gemini the above links, and asked them:

Then, once they gave my their response:

One of my current projects, I think, might end up being a heavily modded game built on Quake II that has movement at its core.

I’ll hopefully return to this idea in the future, we’ll see.