tovero | kons-9 | |
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4 | 50 | |
6 | 549 | |
- | - | |
0.0 | 7.9 | |
over 2 years ago | 6 months ago | |
Common Lisp | Common Lisp | |
GNU General Public License v3.0 or later | MIT License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
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tovero
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Kings Park Psychiatric Center – one last masterpiece
I forgot to add, at the time in 2014 I was working on this project
https://news.ycombinator.com/item?id=32491982
which lead to this one:
https://github.com/JMC-design/tovero
As I was taking a break from writing that "wall of text" last night, I finished my "Homer's Donut" shape, a 3D torus with a 0 - 360 degree arc to connect pipe-like shapes. My pipe-routing code is almost finished as of this morning.
My parents also taught me to "pick myself up, dust myself off, and start all over again." Peter Tosh too. So I guess another trite quote, "It's hard to innovate when you keep receiving 'being hit over the head' lessons."
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BRL-CAD
> It looks like your e-mail was the victim of my paternity leave
10 years is generous paternity leave. :) Seriously though, no hard feelings, separating the wheat from the free software chaff takes time--ask me how I know.
> interactive editor like mged with lisp wrapping BRL-CAD's libged editing library
That interests me!
IME, I have found S-expressions to be an elegant, succinct way of expressing geometric models (especially in the F-rep domain):
https://github.com/JMC-design/tovero/blob/master/examples/ro...
I wrote a referencing counting C++ reader/writer for S-expression models like that directly into Open Inventor, in place of the IV (VRML) format, avoiding the use of CL.
Emacs has a C FFI, IIRC, so it should be possible to develop a S-exp formatted BRL-CAD model in elisp, with the right C shims--giving a live-coding, REPL experience for building BRL-CAD models.
Thanks for your work on BRL-CAD!
- New open source Common Lisp 3D graphics project -- call for participation
- What happened Tovero (libfive bindings) and Clive (scene graph and 3D GUI) from Kavalogic and previously hosted on common-lisp.net?
kons-9
- OpenSCAD Survey - what programming language do you want to be added to app?
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Lindenmayer Systems
Very cool. I must check this out.
I implemented some L-system features in my 3D Common Lisp system: https://github.com/kaveh808/kons-9
- Ask HN: Show me your half baked project
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Profound Beliefs
In some small way I am revisiting the idea with https://github.com/kaveh808/kons-9
We'll see what comes of it.
- Kons-9: Common Lisp 3D Graphics Project
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Symbolics Lisp Machines Graphics Demo (1990)
I began my 3D graphics development on a Symbolics workstation at the MIT Media Lab in the mid-80's. This was before the S-Graphics suite was released. [0]
The outstanding feature of the S-Graphics suite was the polygonal modeler which used a winged-edge structure that was far ahead of its time. It survives conceptually in the Wings3D system, which is a quite faithful copy of that modeler.
And of course you got the extensibility that came with the graphics system being built on Lisp.
But Symbolics was never, as far as I saw, a serious or popular contender in 3D production. Not only was the system expensive, but the hardware could not keep up with SGI's graphics abilities. Furthermore, the mass of CG developers at the time came from a C/Unix background, and rendering especially was so speed critical that C (and Fortran) resulted in faster systems.
Almost 40 years later, I have returned to the idea of developing a 3D system in Common Lisp [1]. We shall see where it leads.
[0] https://medium.com/@kaveh808/late-night-lisp-machine-hacking...
[1] https://github.com/kaveh808/kons-9
- Ask HN: Resources for Older Developers?
- Ask HN: What Are You Working On? (May 2023)
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A good codebase to study as a beginner
If you are interested in 3D graphics, I have tried to keep my code simple and comprehensible: https://github.com/kaveh808/kons-9
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Coding alone vs coding in a team
As a solo developer of my 3D system, my main focus has been to keep the enthusiasm and momentum going and to enjoy the development process, rather than worrying about how the code might not be optimal in various regards.
What are some alternatives?
wgpu-native - Native WebGPU implementation based on wgpu-core
clog - CLOG - The Common Lisp Omnificent GUI
curated-code-cad - A list of the various code-cad projects out there.
quicklisp-projects - Metadata for projects tracked by Quicklisp.
vk - Common Lisp/CFFI bindings for the Vulkan API.
McCLIM - An implementation of the Common Lisp Interface Manager, version II
xi-editor - A modern editor with a backend written in Rust.
clozure-cl - Unofficial mirror of Clozure CL
libfive - Infrastructure for solid modeling
weird - Generative art in Common Lisp
cl-vulkan - Vulkan bindings for Common Lisp.
bodge-nuklear - Thin wrapper over Nuklear for Common Lisp