PIGE is a 3D game engine using C++ and DirectX. It works with third-party libraries such as ImGui.
Toonify Shader converts RGB to HSV. During this process, it returns a few colors, so it will make things become a cartoon version
The snow shader is used by the cellular automata to determine where the snow is spawned and then creates 4 different layers and different sizes of snow which will move in both directions. It also sets the visibility of the snow and the brightness of the background.