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Binary Heaps in C
After conducting a short search for a decent implementation of a binary heap in C I ended up having to write one. Some requirements were: no dependencies, no dynamically allocated memory, no need to...
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Texture Atlases
Texture atlases for 2D games is a great optimization for batching together tons of different sprites (especially quads) with a very few number of draw calls. Making them is a pain. For pixel art or...
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2D Collision Detection Library – tinyc2
Collision detection is pretty hard. Making 2D games is pretty fun. Wouldn’t it be nice to make a cool 2D game without fiddly around forever with collisions? With the single-file C header library tinyc2...
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Game Localization and UTF-8
After some research I have decided a pretty good way to localize your game is to store all text in text files, in UTF-8 format. UTF-8 is super widely used and 100% backwards compatible with ASCII. Also...
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Writing a Game Engine in 2017
Writing a game engine in 2017, what does that look like? Should a developer download Unity? Gamemaker? Love2D? Almost certainly, correct? Why would anyone want to create a game engine… In 2017? This...
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Math Library Experiences
Here are the major points I’ve learned after trying out a variety of math libraries, both in my own time and my professional time, and after implementing a few styles with a variety of performance...
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Character Controllers
I created a demo called player2d by implementing a swept 2D character controller, showcasing a bunch of cute_headers in action. There are also a set of slides made for a talk at a local university...
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Virtual File Systems in Games
After a particularly elucidating conversation with Mattias Gustavsson on Twitter, I came to the delightful realization that a well utilized virtual path system can be make writing games a lot more fun....
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Hash Tables, Sorting, and Security
I’d like to recommend Mattias Gustavsson’s hash table he has open sourced on github. The implementation stores a few arrays, the most interesting one is a layer of indirection between mapping hashes to...
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std::vector and Minimizing Includes
I like std::vector quite a bit except for a couple side-effects. Here are the side-effects I do not enjoy. Debug builds are slow due to copious debug checks. Constructors and destructors are *always*...
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Error Codes and Error Handling
There is a longstanding and ongoing debate in the industry on whether exceptions or error codes are superior when it comes to handling and report errors. I will share my opinion. Error codes are...
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Base64 Encoding and some Opinions
Recently I had a need to do some base64 encoding in C. I was hoping to find two functions, one for encode and one for decode. base64 encoding is useful to transmit a byte array over text in a safe...
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Collision Detection in 2D or 3D – Some Steps for Success
These are my personal opinions about recommended readings for collision detection in either 2D or 3D. This post is intended to act as a jumpstart in order to avoid endless swaths of outdated, poorly...
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Datastructure APIs in C++
Designing a great data structure API is mostly a grey area with lots of room for opinions. Why care about my opinion? Well, take a peek at some of my headers on GitHub. If you think they might look...
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A Primer on sokol_gfx.h
sokol_gfx.h by Andre Weissflog is the best 3D API wrapper I’ve ever seen. It’s just the bare minimum common-slice between all the modern rendering APIs on today’s platforms, nothing more, with a very...
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ECS and Data Structures
This post is more for beginners or hobbyists interested in learning a bit more about common data structures used in games nowadays (circa 2021) in C/C++, and talks a little bit about Entity Component...
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Pretending emscripten_set_main_loop Doesn’t Exist with Coroutines
Writing a main loop for a game usually looks something like this, an infinite loop inside the main entry point. int main(int argc, const char** argv) { app_t* app = create_app(/* params */);...
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