Zydeco (Fractal tag)

Hobby project/experiment in C++, graphics programming, and world generation.

Building

Run ./zydeco.sh to compile, build, and run. Requires CMake and a C++20-capable compiler, as well as the dependencies below. Executable is outputted at build/zydeco in the project root directory.

Zydeco depends upon the following C/C++ libraries:

Library	Purpose	Source
fmt	String formatting for debug output messages	libfmt-dev
cpptrace	Producing stack traces for fault output	GitHub
SDL2	Cross-platform solution for creating and managing windows, OpenGL contexts	libsdl2-dev
GL	OpenGL	libgl-dev
gl3w	OpenGL loader with extensions enabled	GitHub
imgui	Immediate-mode GUI, used for debug menus	GitHub (docking branch)

Notes on installing dependencies:

• cpptrace is included by CMakeLists.txt as a system-wide dependency. You can either install it this way by the instructions in the linked repo, or remove its use in src/util/Fault.cpp and the requirement in CMakeLists.txt.
• gl3w should be run in a new directory lib/gl3w with python3 gl3w_gen.py --ext
• Install imgui with git clone --branch docking --single-branch --depth=1 https://github.com/ocornut/imgui.git to lib/gl3w

Depending on how your package manager installed SDL2, there might be a disparity for SDL2 #includes between imgui and this application. If this is the case, you may need to manually update imgui or this source code to add or remove "SDL2/" in <SDL2/sdl_file_name.h>, depending on where your package manager installed things.

Source Code

It's not as pretty as I made it look in the article. OpenGL abstractions in src/render. Fractal application in src/game/Mandelbrot.cpp. Shaders in include/render/shaders. If you're looking to try out new z-transforms, you'll want to modify include/render/shaders/fractal.cs.glsl.