MeshOptimizer Geometry ⚙️, Unity Data-Driven DLC 👾
🌍 Environments & World Building
World Creator 2026.3 Brings Real-World Geo Data to Your Terrains
World Creator 2026.3 ships with big wins for terrain and environment artists. The update adds support for geospatial formats like GeoTIFF, HGT, and DTED, so you can ground your worlds in real elevation data. You can now reuse presets from previous versions, while terrain adapts to placed objects and generates object-driven masks for tighter scene control. A camera distribution setting helps you concentrate detail where the camera actually sees, backed by a round of UI and rendering fixes.
How MeshOptimizer Powers Fast, Tiny, Next‑Gen Geometry for Games
Arseny Kapoulkine breaks down how MeshOptimizer grew from a personal need into one of the most used mesh libraries in game development. He walks through practical algorithms for reindexing, vertex cache optimization, quantization, and LOD generation, then extends them into mesh shaders, meshlets, and Nanite-style cluster LOD. The discussion also covers ultra-fast mesh compression, glTF tooling for web and native, and what it’s like to fund and evolve a serious MIT-licensed rendering library.
🧠 Systems, Data & Performance
Data-Driven DLC in Unity: Addressables, ScriptableObjects, and Zero Hardcoding
An upcoming Steam indie, Roombattle, needed to add cosmetics, maps, and future DLC without constantly breaking their game. This video walks through their solution: a data-driven architecture built on a GlobalConfigDB, generic content loaders, Addressables labels, and ScriptableObjects that define content and progression. The game only talks to data, never specific prefabs or scenes, so new content appears automatically when labeled correctly. It’s a clear, real-world example of scalable Unity architecture for growing projects.
Implementing Rigid Body Rotation: Torque, Inertia Tensors, and Quaternions
Building on earlier coverage of torque and moment of inertia, this video walks through implementing rotational rigid body physics for a box-shaped object. It covers computing the inertia tensor from shape dimensions, transforming it into world space with the tensor transformation law, and deriving angular acceleration from accumulated torque. The rotation is integrated via quaternions and fed straight into the renderer as a rotation matrix. You’ll also learn how changing the force application point affects spin without changing the force itself.