Rabbet

A browser-based first-person shooter built with Three.js r180 and WebGL2. It uses procedurally generated textures, meshes, animations, and Web Audio synthesis rather than external art or sound files; its systems include a market-street world with enterable interiors, custom physics and character movement, procedural weapons and ballistics, GPU visual effects, navmesh-based enemy AI with perception and cover behavior, and a DOM/CSS HUD. The repository also provides a development and testing harness: headless-Chromium screenshot capture, isolated reproducible shotsets with pixel-diff gating, scripted playtesting, and a gameplay profiler that reports frame-time distributions and attributes hitches to per-frame WebGL program compilation. The project is run with npm and has Three.js as its only runtime dependency.

Box3D is an open-source 3D physics engine for games, written in portable C17. It provides rigid-body simulation with collision detection, continuous collision detection, contact events, convex hulls, capsules, spheres, triangle meshes, height fields, multiple shapes per body, collision filtering, ray and shape casts, overlap queries, sensors, and a character mover. Its physics system includes a robust Soft Step rigid-body solver, continuous physics, island-based sleeping, and revolute, prismatic, distance, motor, weld, and wheel joints with limits, motors, springs, friction, and force events. The data-oriented system uses multithreading and SSE2 or Neon SIMD, supports cross-platform determinism and recording and replay, and is optimized for large piles of bodies. The core library has no dependencies beyond the C runtime and libm on Unix, can be integrated with CMake as the box3d::box3d target, and builds on Windows, Linux, macOS, and WebAssembly; its samples use sokol and Dear ImGui.

The Long Silence is a browser-based procedural space-exploration game. It generates stars, planets, ring systems, nebulae, and derelicts from a seed rather than using downloadable art assets; the player pilots the Pale Seeker, charts systems, scans discoveries, lands on worlds, and attunes to Resonators across the game’s seven-system objective. It uses WebGL 2, handwritten GLSL, a floating origin, and a logarithmic depth buffer to represent systems spanning millions of world units while keeping the ship near the origin. Planets are baked into cubemaps containing albedo and terrain-height data, with runtime shaders sampling those textures for normals and lighting. Atmospheres use single-scattering raymarches, while GPU auto-exposure and a hand-built post-processing chain provide bloom, anamorphic streaks, god rays, lens ghosts, tone mapping, grain, dithering, and FXAA. The project is developed as a JavaScript package with npm scripts for local development and production builds; the latter produces a static bundle in the dist/ directory. Its renderer adjusts resolution dynamically between 0.62× and 2× to target frame rate rather than removing visual features.

Pascal Editor is an open-source, web-based 3D building editor for creating and sharing architectural projects. It supports architectural elements and objects such as walls, slabs, roofs, zones, doors, windows, and furniture, along with plugins and publishable viewers. The editor is built with React Three Fiber and WebGPU. Its Turborepo monorepo separates scene schemas and state, 3D rendering, editing tools, built-in node definitions, viewer and capture runtimes, shared UI, a standalone Next.js app, and an MCP server that exposes scene tools, resources, prompts, and local storage to MCP-compatible AI hosts. The project can run locally through the @pascal-app/cli package, which starts a persistent editor and authenticated MCP service, stores projects in a local database, and manages the standalone runtime. Reusable editor, viewer, node, core, and capture packages are also distributed through npm.

Sprite Studio is a local-first, open-source desktop AI workbench for creating, animating, testing, organizing, and exporting 2D game art. It combines prompt- and reference-based generation with pixel-scale review, sprite viewing, animation planning, loop testing, rigging, deterministic rendering, and PNG sprite-sheet export with metadata. For animation, the AI plans a complete motion sequence and generates frames sequentially using the source asset's identity and neighboring accepted frames. Its native Rust rig engine uses named joint, anchor, contact, and pivot points plus capsule bones; it assigns opaque pixels to bones, supports planted contacts through analytic two-bone inverse kinematics, and renders frames through bone transforms and nearest-neighbor inverse mapping without image generation. The resulting frames flow into asset organization, quality analysis, the playground, and exports. The application runs on macOS, Windows, and Linux and is built with Tauri, Svelte, Rust, SQLite, and an installed Codex CLI. It is designed for local-first use and does not target Android or iOS.