SandSim

A simple falling sand simulation in C using SDL2.

Features

• Left-click to place sand.
• Hold Shift while clicking to place walls.
• Hold Command/Windows while clicking to place water.
• Hold Alt while clicking to erase.
• Real-time sand and water physics.

Build & Run

1. Install SDL2 development libraries.
2. Clone this repository.
3. Compile:

   cd build/ && cmake .. && cmake --build .
   

4. Run:

   ./falling_sand
   

Controls

• Left Mouse Drag: Draw sand
• Shift + Drag: Draw wall
• Command/Win + Drag: Draw water
• Alt + Drag: Erase

Enjoy playing with the falling sand!