PyWolf3D is a Wolfenstein 3D clone built from scratch in Python and Pygame, created as a learning project by a fan of the original games. It aims to reproduce the classic game’s maps, combat, actors, sound, and overall behavior, and can run the shareware version of Episode 1 after installing its Python dependencies. The project also supports the original six episodes, but playing them requires files from a purchased copy of the game; a script can detect a Steam installation. The developer says the implementation is their own, while AI tools were used for research and locating assets.
Rendering uses a raycaster with 160 rays by default and a 54-degree field of view. It traverses 64-by-64 tile maps using the DDA algorithm, with special handling for doors and pushwalls; sprites and projectiles use perspective projection. Audio includes directional panning and attenuation based on map areas, while music is synthesized at runtime with an OPL emulator using user-supplied game files. The clone is unfinished: bullets currently pass through enemies, and some behavior differs from the original. Planned work includes more sprites and textures, an ending animation, and a floor-finish screen; Spear of Destiny and multiplayer are also unimplemented.
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Office Engine is a browser-based tool for viewing and editing DOCX, XLSX, and PPTX files, with the project claiming it opens a 300,000-row spreadsheet in about 300 ms without a server. It supports formulas, real-time collaboration, and saving in the original file format. (github.com)
HJKL is a free browser game that teaches Vim through short editing challenges in a real Vim editor. It guides users from practice to independent edits across motions, searches, text objects, and other commands, with no sign-up or stored data. (hjkl.duy.run)
Rustable is an open-source database client written in Rust, available as a desktop app and a browser-based WebAssembly demo. It supports PostgreSQL, SQLite, MySQL, MariaDB, and Redis, with tools for querying, browsing, and editing data. (rustable.app)
OpenAI is scaling Git for its engineering work. The provided comments do not describe the specific changes. (openai.com)
Ruby’s default argument expressions run only when an argument is omitted, so assigning a marker there distinguishes omission from explicit false or nil. This technique lets methods support both reading a value and setting it without a separate sentinel object. (aha.io)
Pratt parsing assigns parsing behavior to tokens based on whether they appear at the start of an expression or after a left-hand expression. Its key insight is organizing parsing around what can appear to a token’s left, rather than around grammar production rules. (vinipsmaker.github.io)
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