cgltf
sqlraytracer
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cgltf | sqlraytracer | |
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9 | 13 | |
1,373 | 232 | |
- | - | |
6.7 | 0.0 | |
about 2 months ago | almost 2 years ago | |
C | PLpgSQL | |
MIT License | MIT License |
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cgltf
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Confused in terms of where to start with framework/technology etc. Need help picking between learning ShaderToy v/s OpenGL v/s WebGL
If you want to go all the way, https://learnopengl.com/ is a favorite around here. You could build a glTF viewer from scratch starting from that tutorial and https://github.com/jkuhlmann/cgltf and eventually building towards https://google.github.io/filament/Filament.html or whatever wacky artsy direction you like.
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Best courses for learning graphics programming?
Use https://github.com/jkuhlmann/cgltf to parse the files. https://github.com/ocornut/imgui for your UI. Maybe https://www.libsdl.org/ just to set up a window, handle mouse clicks and initialize the GL context in that window.
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I was learning OpenGL and, I needed a suggestion : Which are the best 3D model formats (In terms of ease of loading)
Use glTF and https://github.com/jkuhlmann/cgltf Or, looks like you are using C#, so https://github.com/vpenades/SharpGLTF
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What is the best FBX loader for modern OpenGL? (C++)
Do you really have to use fbx? An open format like gltf is better supported, and there are bazillions loaders(I use cgltf without any issues, which is also used by raylib, Unigine and bgfx). It's also a perfect fit for OpenGL.
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PortableGL: An implementation of OpenGL 3.x-ish in clean C
I recently discovered this pattern in cgltf (https://github.com/jkuhlmann/cgltf), and I agree, it makes deployment so much nicer.
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Good entry-level model format with animation
Use https://github.com/jkuhlmann/cgltf It’s the most popular loader.
- Any opensource lib for loading gitf files? Something lightweight if possible
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Is it worth writing a software raytracer before going into hardware accelerated RTX?
It's easy to generate a BVH for a generated triangle set (like a fractal pyramid or a dense cube). But, quickly generating a high quality BVH for a loaded model requires some research. Use https://github.com/jkuhlmann/cgltf to load models.
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How to become a tools/graphics/engine programmer
Write a simple glTF viewer in OpenGL. This is a throw-away warm-up. So, don't fret over the code. Don't do anything complicated. Shoot for a simple, forward renderer for a simple, animated character with trivial Phong lighting, diffuse map, normal map and a basic directional shadow map. Use OpenGL ES 3.0/GL 4.3 API with no crazy features. Don't worry about performance. Use https://github.com/jkuhlmann/cgltf to load the files. KTX is a great container for textures.
sqlraytracer
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SQL Reserved Words – The Empirical List
My pet silliness in sql from a couple years ago: https://github.com/chunky/sqlraytracer
You remind me I need to finish my hunt the wumpus implementation. (sqlite has an easy way to get user input, mid query...)
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When you ask the guys who says "SQL isn't a real programming language" to do literally anything other than a simple select statement
sql raytracer
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How Ray Tracing (Modern CGI) Works And How To Do It 600x Faster - Youtube: Josh's Channel
Every time I see a discussion about raytracing, I feel compelled to link to my own, unreasonably silly, implementation: https://github.com/chunky/sqlraytracer
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Writing a Raytracer — which book?
I implemented my raytracer by working through "Raytracing in One Weekend" and I would *highly* recommend it.
- SQL is usually all you need
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TIL about the Financial Modeling World Cup, which is essentially the World Cup for Competitive excel users. Participants solve real-life case studies by building financial models in Microsoft Excel. $25,000 prize fund.
Someone built a raytracing engine in pure SQL https://github.com/chunky/sqlraytracer
- What are the dumbest programming languages people have made game engines with
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Ray Tracing for the TI-84 CE
This is awesome. A bit of self-promotion: I, too, wrote a deliberately obtuse raytracer: https://github.com/chunky/sqlraytracer
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Question: What is the performance of a Postgres recursive query with a large depth on millions of rows? Should I use a graph database instead?
The only thing that's awkward about postgres is that it is documented as fully materialising a recursive CTE before handing you any rows. If you have some truly offensively large graph traversal [output, not input], it can take a while to create the temp table. My sql raytracer can take minutes per image because of the gargantuan temp storage thing.
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Is it worth writing a software raytracer before going into hardware accelerated RTX?
[1] I used SQL: https://github.com/chunky/sqlraytracer [note that dielectrics still aren't working, don't judge me for bugs, yet!]
What are some alternatives?
tinygltf - Header only C++11 tiny glTF 2.0 library
TI-84-CE-Raytracing - A ray tracing engine for the Ti84 CE written in C++ and ez80 assembly.
assimp - The official Open-Asset-Importer-Library Repository. Loads 40+ 3D-file-formats into one unified and clean data structure.
Schemaverse - The Schemaverse is a space-based strategy game implemented entirely within a PostgreSQL database. Compete against other players using raw SQL commands to command your fleet. Or, if your PL/pgSQL-foo is strong, wield it to write AI and have your fleet command itself!
FBX2glTF - A command-line tool for the conversion of 3D model assets on the FBX file format to the glTF file format.
RayTracer - A ray tracing program
SharpGLTF - glTF reader and writer for .NET Standard
Game-Of-Life-T-SQL
gdx-gltf - GLTF 2.0 3D format support and PBR shader implementation for LibGDX
brainfuck-game-engine - A brainfuck game engine -- because life wasn't hard enough before
learn-wgpu - Guide for using gfx-rs's wgpu library.
LZ4 - Extremely Fast Compression algorithm