SkyGL

Project written with OpenGL focused on creating and exploring in-game sky including weather, clouds and atmosphere rendering.

Build & Run

Requirements

• CMake 4.0+
• C++20
• OpenGL >= 4.5
• GLM, ImGui, GLFW3, GLAD, STB

git clone https://github.com/kotivas/skygl.git
cd skygl
cmake -B build
cmake --build build

Copy the res folder next to the executable, then run it

Planned

• Procedural weather system
• Volumetric cloud optimization
• Night sky
• Simplify bruneton atmosphere model?

References

• Bruneton, E. (2017) — Precomputed Atmospheric Scattering: a New Implementation https://ebruneton.github.io/precomputed_atmospheric_scattering/

• Guerrilla Games (2015) — The Real-Time Volumetric Cloudscapes of Horizon Zero Dawn https://www.guerrilla-games.com/read/the-real-time-volumetric-cloudscapes-of-horizon-zero-dawn

• SimonDev (2022) — How Big Budget AAA Games Render Clouds https://youtu.be/Qj_tK_mdRcA?si=YALyvCXU96xTZG0H