gaseous-giganticus
curly-vortex
| gaseous-giganticus | curly-vortex | |
|---|---|---|
| 18 | 1 | |
| 109 | 32 | |
| - | - | |
| 5.3 | 0.0 | |
| 5 months ago | over 6 years ago | |
| C | Processing | |
| GNU General Public License v3.0 only | GNU General Public License v3.0 only |
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gaseous-giganticus
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Simulating Fluids, Fire, and Smoke in Real-Time
I think the curl noise paper is from 2007: https://www.cs.ubc.ca/~rbridson/docs/bridson-siggraph2007-cu...
I've used the basic idea from that paper to make a surprisingly decent program to create gas-giant planet textures: https://github.com/smcameron/gaseous-giganticus
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Friday Post: What is something you made or solved in C that you are proud off?
Gaseous-giganticus - procedurally generates gas giant planet textures for space games, etc.
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How can I generate realistic planetary cloud cover?
This is what gaseous-giganticus uses. Combined with some other techniques, it can help with making some clouds for earthlike planets, but not in real time. Mentioned here previously. The process I use for making earthlike planets with clouds for Space Nerds in Space is described here.
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Procedural Gas Giant
Here's my own gas giant thingy, which produces (what I imagine to be) decent results, but is quite slow.
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How do i use/compile gaseous giganticus?
Hi. I'm the author of gaseous-giganticus. You do not need to apply the patch, as it was incorporated into the source already a long time ago: https://github.com/smcameron/gaseous-giganticus/commit/b3ca95f2f3975d6ca97029dae166e2daf068b3f0
- Ask HN: What is the most impactful thing you've ever built?
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Aside from hobby and practice, what are some genuinely useful personal apps?
I needed some gas giant textures for planets in my space game so I made this thing, which also ended up getting used by other people for their Kerbal Space Program mods.
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Empyrion -- Galactic Survival - #3 by pavloocheretianyi01 on DeviantArt
Is that gaseous-giganticus output that I spy?
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Best (preferably free) procedural planet texture generators
I've made a couple. For gas giants, gaseous-giganticus. For earthlike, or rocky planets, there's a program called "earthlike.c" in the space-nerds-in-space repo. Other than allowing you to supply an input image to use more or less as a color palette, they don't allow much in terms of customization, though there are quite a few knobs you can turn.
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What is your best project using C?
Most innovative thing, or what I'm most astonished I actually successfully pulled off against all odds, is probably gaseous-giganticus, which is a program that uses curl noise for procedural fluid flow(pdf) on the surface of a sphere to create cubemap textures for procedurally generated gas giant planets.
curly-vortex
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Wind direction from noise map?
It's the core idea underlying gaseous-giganticus -- here's some output. Here's a bunch of pics of various scales of noise field. Curly Vortex is a Processing program that does the same thing in 2D to an image... some sample output here.
What are some alternatives?
ebsynth - Fast Example-based Image Synthesis and Style Transfer
Noise-Extras - Noise & procedural generation code pieces that I didn't feel needed whole repos all to themselves.
SPH-Fluid-Simulation - A multi-threaded particle-based solver, Smoothed-Particle Hydrodynamics, for the Navier-Stokes equation
texture - Procedural texture generation package.
chip-walo - CHIP-8 Emulator using C and SDL2.
lsblk - List information about block devices in the FreeBSD system.
space-nerds-in-space - Multi-player spaceship bridge simulator. Captain your starship through adventures with your friends. See https://smcameron.github.io/space-nerds-in-space
MotorMC - MotorMC is a blazing fast, multi threaded, asynchronous Minecraft server software that aims to handle many players (1000+) on a single world while still providing an experience as close to vanilla Minecraft as possible.
Pixelc - An opensource tile/sprite editor in C, using SDL2 and OpenGL, also running on Android and in the web
Kernel - Kernel for the LuaOS operating system
dpdk - Data Plane Development Kit