Ono-Sendai

4 ms·

31.
by Ono-Sendai 11mo ago
Substrata - an open-source metaverse https://substrata.info/ In particular hardware-accelerated video playback, and adding Portals.
32.
by Ono-Sendai 1y ago
not sure why you are being downvoted. That 'explanation' of Rayleigh scattering is just wrong.
33.
by Ono-Sendai 1y ago
The belt trick is about smoothly mapping paths through SO(3) to each other, not about if any point in SO(3) is reachable from any other point. I think you are confusing the notion of 'simple-connected' with just 'connected&#
34.
by Ono-Sendai 1y ago
I think you are confused about what 'simply connected' means. A 3x3 matrix can represent any rotation. Also from a given rotation there is a path through the space of rotations to any other rotation. It's just that some pa
35.
by Ono-Sendai 1y ago
Cool. If you want to try rendering some flame fractals, you can try our Fractal software Chaotica ( https://www.chaoticafractals.com/ ) which was used to make the first image in the linked post (Vorpol Dawn By technochroma).
36.
by Ono-Sendai 1y ago
That's wild. My 9950X died for some reason, never overclocked.
37.
Detecting reads from uninitialised heap memory in C++ programs at runtime(forwardscattering.org)
2 points by Ono-Sendai 1y ago|0 comments
38.
by Ono-Sendai 1y ago
I would love this. I have to do disgusting hacks to get an embedded browser window in my metaverse ( https://substrata.info/ ) that uses webgl. The disgusting hack is to render the browser window behind the main webgl canvas
39.
by Ono-Sendai 1y ago
compute shaders?
40.
by Ono-Sendai 1y ago
Very nice. It seems some of the algorithms are (inadvertently?) solving the shallow water equations. Looks similar to the results I was getting working on https://github.com/Ono-Sendai/terraingen
41.
by Ono-Sendai 1y ago
Also the Normans were vikings!
42.
by Ono-Sendai 1y ago
Substrata - an open-source metaverse. https://substrata.info/ , https://github.com/glaretechnologies/substrata Custom high performance C++ / OpenGL/WebGL engine. Uses Jolt physics and Luau a
43.
by Ono-Sendai 1y ago
What I don't get about this timescape theory, is what is the mechanism for time passing faster in the 'voids'? Or equivalently, what makes time pass slower along the edges of the voids? Is it supposed to be gravitational tim
44.
by Ono-Sendai 1y ago
Not really proper 3D, more like a kind of 2.5D.
45.
by Ono-Sendai 1y ago
Anyone else notice how the entropy in the 1000 bouncing balls simulation goes down at some point, thereby violating the second law of thermodynamics? :)
46.
by Ono-Sendai 2y ago
A more reasonable reply would be something like, "wow, that's cool that you got a 4x speedup. A 4x speedup is certainly enough to justify using floating point maths. And the code is simpler too!"
47.
by Ono-Sendai 2y ago
"Sure, a compile-time option to use one or the other might sound reasonable, but then that's two different code paths that need to be maintained and tested. Are you willing to do that maintenance on an ongoing basis?" No, tha
48.
by Ono-Sendai 2y ago
I don't think you understand how backwards it is. My patch that makes SDF rendering 4x faster was not accepted, presumably because floating point-maths is some strange new-fangled technology. Freetype uses antiquated fixed-point inte
49.
by Ono-Sendai 2y ago
FreeType is a dinosaur that should be replaced regardless of Rust or not.
50.
by Ono-Sendai 2y ago
that's hilarious, thank you. The life of a c++ programmer using dodgy libraries.
51.
by Ono-Sendai 2y ago
whisper
52.
by Ono-Sendai 2y ago
Yeah interesting question. Presumably you can do it by having a border around each region, and a max speed of effect propagation (i.e. causality). Then if you want to simulate e.g. 10 time steps, you have a border of 10 grid cells. So do
53.
by Ono-Sendai 2y ago
thanks :)
54.
by Ono-Sendai 2y ago
I also released something similar recently, with random heightfield generation and sediment transport and erosion too: https://github.com/Ono-Sendai/terraingen
55.
by Ono-Sendai 2y ago
Yeah but if your dithering is noticable in the first place you're doing it wrong.
56.
by Ono-Sendai 2y ago
What is the point of this?
57.
by Ono-Sendai 2y ago
Re: the menstruation app one - instead of spending 870 k talking about what they would like to see in a menstruation app, just make one. It's not rocket science. re: the transgender one, it seems to be one of these social science proj
58.
by Ono-Sendai 2y ago
Cutting all blue-sky social science research does seem to go a bit far. On the other hand, I'm not sure NZ needs this: "The intimate technology shaping millions of lives: Exploring the possibilities of menstruation and perimenopau
59.
by Ono-Sendai 2y ago
Yeah, we may have to take seriously that the notion of complexity for a finite string (or system) has no reasonable definition.
60.
by Ono-Sendai 2y ago
You are correct to be bugged IMO, I agree with you. My thoughts: https://forwardscattering.org/page/Kolmogorov%20complexity Kolmogorov complexity is useless as an objective measure of complexity.

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