Technical articles about mobile development, game development, and software engineering.https://ignarts.deven-UShttps://ignarts.dev/blog/strangler-fig-patternhttps://ignarts.dev/blog/strangler-fig-patternThe strangler fig grows around its host tree until it replaces it completely. The same trick works for migrating a legacy system: feature by feature, with no big bang and nothing switched off.Tue, 11 Aug 2026 00:00:00 GMTDevelopmentarchitecturemigrationlegacyrefactoringtypescripthttps://ignarts.dev/blog/tuning-movement-feel-acceleration-friction-curveshttps://ignarts.dev/blog/tuning-movement-feel-acceleration-friction-curvesAcceleration, friction, and curves that make movement feel good.Tue, 04 Aug 2026 00:00:00 GMTVideogamesgamefeelunityunrealcsharpcppmovementgamedesignhttps://ignarts.dev/blog/dark-mode-without-a-single-ifhttps://ignarts.dev/blog/dark-mode-without-a-single-ifIf your dark mode is a chain of ternaries, you've already lost. How a theme provider and semantic tokens make theming almost free and erase if (isDark) from your code.Tue, 28 Jul 2026 00:00:00 GMTDevelopmentthemingdark-modedesign-tokenscssreacthttps://ignarts.dev/blog/npc-sensors-and-perceptionhttps://ignarts.dev/blog/npc-sensors-and-perceptionHow to give game AI its senses: vision cones, sound events, and a memory that remembers what the NPC has perceived.Tue, 21 Jul 2026 00:00:00 GMTVideogamesgamedevaiunitygamedesignnpchttps://ignarts.dev/blog/unity-profilinghttps://ignarts.dev/blog/unity-profilingBumping up the FPS blindly is a waste of time. How to use the Unity Profiler to find the real bottleneck (CPU, GPU, draw calls or GC) before touching a single line of code.Tue, 14 Jul 2026 00:00:00 GMTGraphics Enginesunitycsharpperformanceprofilingoptimizationhttps://ignarts.dev/blog/repository-patternhttps://ignarts.dev/blog/repository-patternAn interface that hides whether data comes from the network, cache, or disk. How to swap the source without touching a single screen.Tue, 07 Jul 2026 00:00:00 GMTDevelopmentarchitecturerepository-patterntypescriptclean-architecturetestinghttps://ignarts.dev/blog/coyote-time-input-bufferinghttps://ignarts.dev/blog/coyote-time-input-bufferingThe best platformers feel fair because they cheat in your favor. A deep dive into coyote time, jump buffering, and other forgiving input tricks, with Unity/C# implementations.Tue, 30 Jun 2026 00:00:00 GMTVideogamesunitycsharpgamefeelplatformergamedesignhttps://ignarts.dev/blog/atomic-design-react-nativehttps://ignarts.dev/blog/atomic-design-react-nativeAtomic Design splits the UI into atoms, molecules, and organisms. In large projects it works well. In agile ones, it can become premature abstraction. When each approach makes sense, and when feature-based is the better call.Tue, 23 Jun 2026 00:00:00 GMTDevelopmentreact-nativearchitectureatomic-designmobilecomponentshttps://ignarts.dev/blog/rng-in-roguelikeshttps://ignarts.dev/blog/rng-in-roguelikesRoguelikes depend on chance, but that chance has structure. A deep dive into seeds, determinism, and how to implement a reproducible RNG system in Unity/C#.Tue, 16 Jun 2026 00:00:00 GMTVideogamesunitycsharproguelikesrnggamedesignhttps://ignarts.dev/blog/pathfinding-in-videogameshttps://ignarts.dev/blog/pathfinding-in-videogamesA* is the most well-known pathfinding algorithm, but modern games go far beyond: NavMesh, JPS, HPA*. This article explores why Dijkstra doesn't scale, how A* really works, and when to use each variant.Thu, 04 Jun 2026 00:00:00 GMTVideogamesunitycsharppathfindingnavmeshgamedesignhttps://ignarts.dev/blog/feature-flagshttps://ignarts.dev/blog/feature-flagsFeature flags are a simple idea that turns into silent debt. This article covers the full cycle: adding a flag with context, gradual rollout, and the part nobody documents: cleanup.Tue, 19 May 2026 00:00:00 GMTDevelopmentfeatureflagstypescriptbackenddevopshttps://ignarts.dev/blog/how-pokemon-genetics-actually-workhttps://ignarts.dev/blog/how-pokemon-genetics-actually-workA deep dive into IVs, EVs, and breeding mechanics: what these systems can teach us about designing creature progression in games.Tue, 05 May 2026 00:00:00 GMTVideogamesgamedesignpokemonsystemsdesignrpggamedevhttps://ignarts.dev/blog/ai-assisted-testinghttps://ignarts.dev/blog/ai-assisted-testingAI generates tests fast. That's exactly the problem. Why AI-generated tests often pass without being useful, and how mutation testing, combined with the right workflow, fixes that.Wed, 22 Apr 2026 00:00:00 GMTDevelopmenttestingaitddmutation-testingqualityhttps://ignarts.dev/blog/fire-emblem-stats-growth-rateshttps://ignarts.dev/blog/fire-emblem-stats-growth-ratesFire Emblem's growth rates are simple percentage rolls, but they generate brutal variance, emotional attachment, and entire subcultures of save-state manipulation.Tue, 14 Apr 2026 00:00:00 GMTVideogamesfireemblemgamedesignrngstatstacticshttps://ignarts.dev/blog/replicating-mewgenics-genetic-system-unityhttps://ignarts.dev/blog/replicating-mewgenics-genetic-system-unityA technical breakdown of how to design a flexible genetic system in Unity, inspired by the breeding mechanics of Mewgenics.Wed, 08 Apr 2026 00:00:00 GMTVideogamesunitycsharpgeneticsgamedesignsimulation