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Noise-Extras Alternatives
Similar projects and alternatives to Noise-Extras
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gaseous-giganticus
This program procedurally generates gas giant cubemap textures for the game Space Nerds In Space. https://www.patreon.com/smcameron
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WorkOS
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curly-vortex
Faking computational fluid dynamics a la Bridson-Hourihan-Nordenstam's paper "Curl-Noise for Procedural Fluid Flow" See also: gaseous-giganticus: https://smcameron.github.io/space-nerds-in-space/gaseous-giganticus-slides/slideshow.html#1
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better Noise-Extras alternative or higher similarity.
Noise-Extras reviews and mentions
Posts with mentions or reviews of Noise-Extras.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-04-27.
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how to stack noise layers for more interesting landscape
If it helps, I wrote an implementation inspired by this here: https://github.com/KdotJPG/Noise-Extras/blob/master/OpenSimplex2S_Exp.java
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While working on my game I made a highly optimized Noise Library for C#, I just made it open-source!
Periodicity is definitely a limitation of Simplex, at least without complicated skew adjustments. I wouldn't say this limitation should hold the noise back for non-periodic applications, but it certainly can't be ignored when it does come to them.
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How can I Make a Procedural 2d Map that Loops at Borders?
Yep! You also need to slightly adjust the grid skew so that the corners of your target square/rectangle coincide with vertices on the noise grid. Example implementation: https://github.com/KdotJPG/Noise-Extras/blob/master/OpenSimplex2S_ImprovedXZPlanes_TileableXZ.java
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Does anyone have a good library for Exponential Distributed Noise and/or Amortized Noise with derivatives in c#?
I have this https://github.com/KdotJPG/Noise-Extras/blob/master/OpenSimplex2S_Exp.java but it's up to you whether or not you'd consider it a good library.
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New Blog Post! "The Perlin Problem: Moving Past Square Noise"
Tileability is an issue, you're right. Perhaps I should have made a note on that in the article. I've made some progress in the code at this link to bring proper tileability to simplex-type. It's quite usable as-is, but it does still need work to become the best it can. In particular I need to take a closer look at performance (I accounted hard for the grid re-skewing in a way that won't make much difference given a sufficiently-large repeat period), configurability (tileable in either 2 or 3 axes), quality (mostly I could improve the primes in the hash function I used), and variety (bring this to more algos/dimensionalities).
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Wind direction from noise map?
Either way /u/pds314 I would look for a good simplex-type noise impl that supports derivatives. Here's one. Alternatively, here's a domain-rotated Perlin which addresses its square artifacts by rotating them out of the evaluation plane of focus through the extra dimension. In this, use X and Y of the 3D "ImproveXY" function" or X and Z of the 3D "ImproveXZ" function for derivatives. In the OpenSimplex2S, you can just use the 2D function with derivatives.
- Noisy map, but smooth beaches! My new algorithm!
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Added 3D Noise and Blend Modes to my GLSL Noise library (gl-Noise)! Used it to make a Planet Generator. Demo and GitHub in comments!
Code for the domain rotation in Java is here. There are various wrappers. You would want one of the methods noise4_ImproveXYZ_ImproveXY, noise4_ImproveXYZ_ImproveXZ, or noise4_ImproveXYZ. You could copy the code from these wrappers directly, or convert it to matrix form to write it compactly in GLSL. For example, noise4_ImproveXYZ_ImproveXZ would be this. Note that I'm using left multiplication so the column-major constructor format can be rearranged to show up the way you would typically write the matrix when doing linear algebra if doing right multiplication.
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How do I avoid the "2^64 variations of one continent" problem?
Depends on: this. Would also work well with this, or also this if you adapt to its features.
- Perlin noise Voxel planets + Caves
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Stats
Basic Noise-Extras repo stats
22
23
4.4
3 months ago
KdotJPG/Noise-Extras is an open source project licensed under Creative Commons Zero v1.0 Universal which is not an OSI approved license.
The primary programming language of Noise-Extras is Java.
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