This is a mass aggregate impulse based physics simulation. Springs, bungees, rods, and collisions are simulated. Here's a video: https://vimeo.com/933614396
Requires SDL2, SDL_image, SDL_ttf libraries. This project uses ImGui https://github.com/ocornut/imgui Builds with Make.
Press 1 through 5 to see different physics demonstrations. Left click and hold on a ball to move its position. Press d to delete a ball.
Next feature will be rigid body physics.