- `sim_app.py` provides a SimEventHook and a Handle class for the simulation process to interact with the viewer, including sending state snapshots and processing viewer events.
- `viewer_app.py` implements the main viewer application logic, handling user input, building the Dear ImGui GUI, and managing communication with the simulation process. It also includes hooks for custom viewer behavior.
PiperOrigin-RevId: 940994701
Change-Id: I82786872cd885b15454843b3a4d1160ff0b4be2b
Matija Kecman