Physics engine made using the tutorials of Game Physics In One Weekend book series. The renderer came with the book while the code for the engine is hand-coded by me.
The controls for the renderer are very basic.
Mouse look to rotate the camera around the origin.
Scroll to zoom.
"R" to reset the scene.
"T" to pause and unpause time.
"Y" to step the simulation by a single frame (only works when the simulation is paused).