Particle Diffusion Simulation

C++ simulation of particle diffusion in OpenGL, with different initialization strategies (center-edge (->Diffusion Limited Aggregation), random, edge).

Run it yourself!

In case you would like to run the executable yourself, go to the /build and run the executable. Be sure that the dll file is in the same folder to ensure the dynamic library linking.

Setting up own simulation

To setup up your own simulation, with the unique params go to inc/config.h. Change the values here, and build (Shortcut: ctrl + shift + B for vscode). For the VSCoders, I have left the .vscode folder in there so that you can look at the build params. This should make it a lot easier.

For the project structure to get a successful build is neatly shown in 2 minutes at https://www.youtube.com/watch?v=Y4F0tI7WlDs

The project structure with these library files would look similar to:

diffusion-limited-aggregation/
├── debug/                   
├── lib/                     
├── inc/                     
│   ├── glad/                
│   ├── GLFW/                
│   ├── KHR/                 
│   ├── ...                  
├── src/                     
│   ├── ExternalUtils/       
│   ├── ...                  
├── .vscode/                 
│   ├── tasks.json           
│   ├── ...                 
├── ...                      

I've left my own tasks.json in there as this is specific to this project.

Type of simulations

We support the following types of particle stores:

1. Random Positioned Particle Store (RANDOM): Initializes particles at random positions within the simulation space.

2. Edge Positioned Particle Store (EDGE): Initializes particles along the edges of the simulation space.

3. Center Edge Positioned Particle Store (CENTER_EDGE): Initializes particles starting from the center and edges in a clockwise, snake-like pattern, systematically constructing the formation from the center outward. This approach ensures an orderly yet dynamic placement of particles suitable for diffusion-limited aggregation (DLA) simulations. This store utilizes an additional parameter DENSITY_CENTER to control the density of particles at the center.

Animation

Simulation for random positioned particles