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Show HN: Look Ma, No Linux: Shell, App Installer, Vi, Cc on ESP32-S3 / BreezyBox

https://github.com/valdanylchuk/breezydemo
258•isitcontent•19h ago•27 comments

Show HN: Kappal – CLI to Run Docker Compose YML on Kubernetes for Local Dev

https://github.com/sandys/kappal
14•sandGorgon•2d ago•3 comments

Show HN: I spent 4 years building a UI design tool with only the features I use

https://vecti.com
357•vecti•21h ago•161 comments

Show HN: If you lose your memory, how to regain access to your computer?

https://eljojo.github.io/rememory/
330•eljojo•21h ago•201 comments

Show HN: R3forth, a ColorForth-inspired language with a tiny VM

https://github.com/phreda4/r3
79•phreda4•18h ago•14 comments

Show HN: Smooth CLI – Token-efficient browser for AI agents

https://docs.smooth.sh/cli/overview
94•antves•2d ago•70 comments

Show HN: MCP App to play backgammon with your LLM

https://github.com/sam-mfb/backgammon-mcp
3•sam256•3h ago•1 comments

Show HN: Slack CLI for Agents

https://github.com/stablyai/agent-slack
52•nwparker•1d ago•11 comments

Show HN: XAPIs.dev – Twitter API Alternative at 90% Lower Cost

https://xapis.dev
3•nmfccodes•1h ago•1 comments

Show HN: BioTradingArena – Benchmark for LLMs to predict biotech stock movements

https://www.biotradingarena.com/hn
26•dchu17•23h ago•12 comments

Show HN: I'm 75, building an OSS Virtual Protest Protocol for digital activism

https://github.com/voice-of-japan/Virtual-Protest-Protocol/blob/main/README.md
7•sakanakana00•4h ago•1 comments

Show HN: Artifact Keeper – Open-Source Artifactory/Nexus Alternative in Rust

https://github.com/artifact-keeper
153•bsgeraci•1d ago•64 comments

Show HN: I built Divvy to split restaurant bills from a photo

https://divvyai.app/
3•pieterdy•4h ago•1 comments

Show HN: ARM64 Android Dev Kit

https://github.com/denuoweb/ARM64-ADK
17•denuoweb•2d ago•2 comments

Show HN: Gigacode – Use OpenCode's UI with Claude Code/Codex/Amp

https://github.com/rivet-dev/sandbox-agent/tree/main/gigacode
19•NathanFlurry•1d ago•9 comments

Show HN: I Hacked My Family's Meal Planning with an App

https://mealjar.app
2•melvinzammit•6h ago•0 comments

Show HN: I built a free UCP checker – see if AI agents can find your store

https://ucphub.ai/ucp-store-check/
2•vladeta•6h ago•2 comments

Show HN: Compile-Time Vibe Coding

https://github.com/Michael-JB/vibecode
10•michaelchicory•8h ago•2 comments

Show HN: Micropolis/SimCity Clone in Emacs Lisp

https://github.com/vkazanov/elcity
173•vkazanov•2d ago•49 comments

Show HN: Slop News – HN front page now, but it's all slop

https://dosaygo-studio.github.io/hn-front-page-2035/slop-news
17•keepamovin•9h ago•5 comments

Show HN: Daily-updated database of malicious browser extensions

https://github.com/toborrm9/malicious_extension_sentry
14•toborrm9•1d ago•8 comments

Show HN: Falcon's Eye (isometric NetHack) running in the browser via WebAssembly

https://rahuljaguste.github.io/Nethack_Falcons_Eye/
6•rahuljaguste•18h ago•1 comments

Show HN: Horizons – OSS agent execution engine

https://github.com/synth-laboratories/Horizons
23•JoshPurtell•1d ago•5 comments

Show HN: Local task classifier and dispatcher on RTX 3080

https://github.com/resilientworkflowsentinel/resilient-workflow-sentinel
25•Shubham_Amb•1d ago•2 comments

Show HN: Fitspire – a simple 5-minute workout app for busy people (iOS)

https://apps.apple.com/us/app/fitspire-5-minute-workout/id6758784938
2•devavinoth12•12h ago•0 comments

Show HN: I built a RAG engine to search Singaporean laws

https://github.com/adityaprasad-sudo/Explore-Singapore
4•ambitious_potat•12h ago•4 comments

Show HN: Sem – Semantic diffs and patches for Git

https://ataraxy-labs.github.io/sem/
2•rs545837•13h ago•1 comments

Show HN: A password system with no database, no sync, and nothing to breach

https://bastion-enclave.vercel.app
12•KevinChasse•1d ago•16 comments

Show HN: Craftplan – I built my wife a production management tool for her bakery

https://github.com/puemos/craftplan
568•deofoo•5d ago•166 comments

Show HN: GitClaw – An AI assistant that runs in GitHub Actions

https://github.com/SawyerHood/gitclaw
10•sawyerjhood•1d ago•0 comments
Open in hackernews

Show HN: A rudimentary game engine to build four dimensional VR evironments

https://www.brainpaingames.com/Hypershack.html
39•teemur•6mo ago
I think it's finally time to lock version 0.2 of my 4d side project. (Since previous Show HN a couple of years ago: https://news.ycombinator.com/item?id=37100760 I scrapped lots of stuff and concentrated on making a javascript "game engine")

The sole purpose of this project is to explore whether it's possible to make the human brain spatially aware of four dimensions using Virtual Reality. It’s my first ever game project, my first time using Unity, first time writing C#, and my first anything with WebXR, so please be gentle! To manage expectations, it isn't visually pleasing yet and it's not easily approachable. To get anything out of this, you likely need a pen and a paper and draw 3d slices of 4d objects _many_ times.

The project is essentially a rudimentary engine where you can use JavaScript to define 4D objects and some limited behaviors. You can then explore these spaces in a browser (with or without a VR headset), moving and rotating through all four dimensions—including double rotations on planes like xz and yw.The game is a webxr project, meaning you can just play that on the browser, even without VR headset. Note, however, that the keyboard input is a bit limited.

As a demo, I've built a simple maze game where you try to find gems before time runs out. The challenge ramps up, and I'm currently stuck trying to comfortably navigate Level 6, which involves moving around four separate tesseracts. Here is a page where I have tried to visualize what is going on at level 6: https://www.brainpaingames.com/blog/updates/2024/07/28/Hyper...

I have no expectations that this will any day be anything but a niche project of mine, but I thought here might be someone interested in playing around. And If anyone has any ideas how the pedagogy of learning to operate in 4 spatial dimensions could be made somehow more achevable, I'm all ears.

Comments

untech•6mo ago
Very cool! Your page could do with some screenshots, but even now, I hope I’ll remember about your project next time I break out my Quest 2.
JoeDaDude•6mo ago
Thanks for posting, will have to try it out later. I hope it works with my HP Reverb through Windows MR and/or Steam VR.

Re: pedagogy. Here is an anecdote. The very old Java game linked below is a 4d puzzle where players would have to rotate a tesseract to pass a ball through a hole. Comments made at the time were that players would fumble for a while but would eventually "get it" and after that the play was simple and obvious. I never got to that point. Maybe I'll fire it up and see if I can do better now.

http://harmen.vanderwal.eu/hypercube/