OpenSimplex2
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OpenSimplex2 | LearnOpenGL | |
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24 | 624 | |
529 | 10,261 | |
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4.6 | 3.8 | |
3 months ago | 7 days ago | |
Java | C++ | |
Creative Commons Zero v1.0 Universal | GNU General Public License v3.0 or later |
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OpenSimplex2
- Sweeping Quad Lines - Gallery One
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I finally nailed the smooth rotation of a noise field. No unsteady or flickering edges anymore. No quality loss no matter what the actual rotation angle is.
Wow you have been playing with noise for a while :) . It amazes me all the different noises that exist now.. Perlin, Simplex, OpenSimplex, OpenSimplex2S, OpenSimplex2F, Worley... If you are curious about OpenSimplex https://github.com/KdotJPG/OpenSimplex2
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Some of the results of my work-in-progress tool to generate random tile-based worlds. (More info in comments)
Probably true, although a neat repo for open simplex is https://github.com/KdotJPG/OpenSimplex2
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Value Noise Resources
This may not answer what you're actually looking for - but a few years ago I found a library for coherent noise in Java, which at least meets my needs. I use bits and pieces of the Open Simplex Noise implementation from that library. It's unlicense/CC0, so easily copy-paste-able straight in to one's own project. https://github.com/KdotJPG/OpenSimplex2/
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Question about OpenSimplex2S
So I was looking for a noise function, and I found this repo from the author of the OpenSimplex algorithm. And in the GLSL implementation, which is the one I'm gonna use, since I want to generate terrain with compute shaders, the function%20%7B) looks like this:
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How would you loop a 3D noise?
If you want to feel safer from that, you might opt to use one of these instead. Use the ImproveXY endpoint to get a Z that repeats after 500.5626833874055. Go up one directory and into the glsl directory if you need GLSL versions instead .
- C# Simplex noise library offering 1D, 2D, and 3D forms
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Map + River generation using the "Lanczos Value-Noise" I wrote [Details in the comments]
Fair. I definitely agree Simplex has some characteristics that don't work great in some places. Especially when you threshold near zero of a single octave. Have you tried OpenSimplex2S? It's made to be less "bubbly" than standard simplex. In own repo, In FastNoiseLite, [Shader preview (3D noise)[https://www.shadertoy.com/view/ttdGR8]. Both the 2D function and 2D slices of the 3D function might be worth looking into if you haven't yet.
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Need some help making the GLSL implementation of OpenSimplex2 tileable
Here's a link to the original implementation: github.com/KdotJPG/OpenSimplex2/blob/master/glsl/OpenSimplex2.glsl
- Oh cool, i just found this sub reddit and had a few questions on my current project.
LearnOpenGL
- Learn OpenGL eBook
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LearnD3D11, a guide aimed at anyone trying to learn Direct3D11
Also recommended: LearnOpenGL [1] and Vulkan Guide [2]
[1]: https://learnopengl.com/
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Making Small Games, Which Is Fun in Itself
I want to begin game development as a hobby, but I'm unsure where to start. I did follow through https://learnopengl.com/ a few years ago, and while it was a very interesting experience, I imagine I would need to use an existing engine to be productive.
Do you recommend any books and tutorials aimed at experienced programmers with 0 knowledge of game development/design?
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Is there space in this field for extreme cases like mine ?
- Game development - Unity3D project based learning in C#: https://learn.unity.com/ - Graphics - There was another user on r/GraphicsProgramming the other day (who teaches Computer Graphics at his university) that linked their lecture series for the entry year of their course here: https://tamats.com/learn/realtime-graphics/ - Project based learning: https://github.com/ssloy/tinyrenderer/wiki - Rendering API tutorials: https://vulkan-tutorial.com/, https://learnopengl.com/
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Where do I start to learn C++ for a game development
If u want to make 3D game, you'll probably want to learn some 3D shader graphic stuff. OpenGL is a good start. https://learnopengl.com
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Ask HN: Learn Graphics Programming, Recommendations?
LearnOpenGl.com
Possibly a smidge outdated.
Goes from blank window to rendering 3d meshes with advanced lighting techniques (HDR, SSAO and more).
Heped me understand shader pipeline, so I recommend it.
https://learnopengl.com
- I’m Bored AF!
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Looking to get started
and then https://learnopengl.com/
- Ajutor in privinta incercarii a face un joc
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Is a bounding volume a mesh? (for visualization)
I'm reading the guest article about frustum culling on learnopengl.com and there's a video demonstrating how it works and for debug purposes they have a bunch of spheres turning red or green which I assume means they're being culled or not so my question is if I wanted to do this do I have to make a mesh for whatever bounding volume shape or is there a specific method for something like this?
What are some alternatives?
FastNoise - Fast Portable Noise Library - C# C++ C Java HLSL GLSL JavaScript Rust Go
raylib - A simple and easy-to-use library to enjoy videogames programming
FastNoise2 - Modular node graph based noise generation library using SIMD, C++17 and templates
bgfx - Cross-platform, graphics API agnostic, "Bring Your Own Engine/Framework" style rendering library.
glNoise - A collection of GLSL noise functions for use with WebGL with an easy to use API.
imgui - Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies
simplex - Simplex noise implementation offering 1D, 2D, and 3D forms.
sokol - minimal cross-platform standalone C headers
webgl-noise - Procedural Noise Shader Routines compatible with WebGL
bevy - A refreshingly simple data-driven game engine built in Rust
3DWorld - 3D Procedural Game Engine Using OpenGL
SFML - Simple and Fast Multimedia Library