The video: youtu.be/il-TXbn5iMA

New blog post! (yep, at New Year's Eve.) A short detour into a fun one-liner shading model I use for clouds in my game 🥰 lisyarus.github.io/blog/posts/a...

Taught my Kotlin scripting runtime to handle default parameters and named arguments. For simplicity, default evaluation lives in the function body and gets removed when inlined at the call site. #kotlin

Angular lerping done wrong in production

Added vararg support to my runtime. Fewer things broke than expected. #kotlin

Implemented a Vector3 inspired by libGDX in my Kotlin scripting runtime. Overriding equality just works - and later sharing the native host class should work seamlessly as well. #kotlin

Simulating water evaporation & precipitation, driven by a (somewhat fake) fluid simulation for the wind! Need to tweak some constants but overall taking e.g. year-average precipitation and temperature should give me some nice biomes. #indiedev #gamedev #indiegames

I refactored my code that generates a density map for the city to be more detailed and loved the resulting texture so much that I felt compelled to use it in the game. So I added these parallax map displays kind of like some cities have miniature versions of them. #gamedev #indiegame #procgen

I added thread support to my runtime. It’s mostly a wrapper around Kotlin’s threads - and of course I had to demonstrate it with the obligatory race-condition example. #kotlin

The level editor is no longer limited to one chunk! The stages can get huge now, if we so desire :D If it gets too large, I'm going to have to set a system where it loads/unloads chunks, but that won't be too tough. #gamedev #indiedev

Sorry I had to use the most useless CS-class example ever to show off interfaces working. #kotlin

I discovered that adding new opcodes is sometimes easier if I introduce them through handwritten MiniKt assembly functions, so I can reuse the normal function resolution. The compiler inlines them anyway. #kotlin

Added generics for classes. It was painful. I wasn’t aware how much the compiler does for you. #kotlin

Me: I won’t add many features to this tiny Kotlin scripting runtime. Also me: adds function-level generics. #kotlin

One of Kotlin’s wildest features: you can define control flow altering functions using lambda expressions with a special syntax. Thanks to aggressive inlining it’s basically free. #kotlin

Higher-order functions take other functions as arguments. The fun part: you must not inline the call unless the target is constant - otherwise you break semantics (and your VM). #kotlin

I did the absolutely sane thing of letting the script run another script; Kotlin-ception achieved #kotlin

Got sidetracked and ended up writing a tiny raytracer for performance benchmarks. 😅 #kotlin

This is my first time implementing class inheritance via vtables (in my tiny Kotlin runtime). A::foo() vs B::foo() get resolved through vtables in the generated code if they cannot be resolved statically. Seeing it work correctly is more satisfying than it should be. #kotlin

Imagine your embedded runtime throwing exceptions with real stack traces - and your IDE actually picking them up correctly so you can easily navigate there. 🤯 #kotlin

The journey continues. I’m still aiming for the point where I can take some random Kotlin code and execute it within Kotlin. Recent additions: - Explicit nullability - Safe calls - Extension functions #kotlin

My embeddable Kotlin scripting language just got a new feature: classes. And if you look at the assembly, you can see the function calls getting inlined. #kotlin

Sometimes you get one of those insane ideas you know you’ll regret, but it’s just too intriguing. So… I’m building a compiler for a subset of Kotlin - something I can embed into Kotlin/JVM projects like Lua, but with static typing and better performance. #kotlin

First pass on some basic parks/plazas. #screenshotsaturday

I added a tree cutter for your tree cutting needs. #gamedev | #indiedev

Originally, terrain editing was click based. However, I noticed that clicking like a hundred times to make a hill is rather inconvenient. So now there's continuous terrain editing. #gamedev | #indiedev

Experimenting with clipping based transparency. In contrast to actual alpha it doesn't require special sorting or separate draw calls. However, some GPUs - especially mobile ones - tend to dislike this type of rendering pretty much. It's also quite noticable on lower resolutions.

What’s going on here? Why is everything…chrome? #future | #gamedev | #indiedev

Image building a city here... Generating terrain is such a messed up task. Whenever you touch one single parameter the outcome changes drastically. For now I settle with fewer biomes to keep my sanity. #terraingen | #gamedev | #indiedev

Don't do this at home #gamedev | #indiedev

This terrain provides some interesting building experiences

Made a boomerang. And now I can’t stop throwing it around 💨😅 #Windpunk #GameDev #IndieGame #WIP

Scaling 3D objects is hard. Sure, you can use real measurements, but it feels better in a game context to scale big buildings down drastically. #gamedev | #indiedev

Still Fortress #gamedev

Good morning from Vuntra City! #screenshotsaturday #gamedev #indiegame

Did some experiments with building spawning. This may be the rough side of the city. #gamedev | #indiedev

What a lovely little village! Would be a shame if it was just 0.02% the size of the world, right? 😅 #indiegames #indiedev #gamedev

I spent the last few years building enik-engine, a lightweight C++ game engine with a custom editor, hot-reload scripting, physics, animation, prefabs, and more. Fast, small, and built for experimentation. Here’s a deep dive into how it works and the lessons I learned: hanion.dev/post/enik-en...

I'm still working on my YouTube video about a cheap erosion filter, but I've been tinkering with improving it as well. I recently had some nice breakthroughs overcoming various limitations of the original filter by Clay John and Felix Westin, and I can't wait to tell you all about it. #ProcGen

It's amazing how a bit of sound can improve the experience #gamedev | #indiedev

Lambo physics Note how there's dust when driving over terrain #gamedev | #indiedev

I'll never own a Lambo so I made one in-game #gamedev | #indiedev

Forget about the GPU: The terminal is the new gaming target!

I feel like I want to be somewhere cool and rainy today. Luckily, I know just the place. #gamedev #indiegame

visual overload noun A state of being overwhelmed by too much visual information, leading to difficulty in processing or focusing. #gamedev | #indiedev

Some debug view for road usage and chunk RCI density. #gamedev | #indiedev

Originally I moved the cars by pinning the front and back to the path. It worked but looked like moving on rails. The solution: Pin the front wheel's center position to the path and use the Kinematic Bicycle Model to update the rear: thomasfermi.github.io/Algorithms-f... #gamedev | #indiedev

Integrated the 2D traffic simulation into the 3D world. Got it working on first try. #gamedev | #indiedev

Added some car state visualization for debugging. There are 10,000 cars in a simulation area of 10km² ≈ 4mi² #gamedev | #indiedev

Added some simple car-to-car interaction and traffic lights #gamedev | #indiedev