Cam angle shows values in range of 0..4096), where these values correspond to each cardinal direction:
0/4095 - north,
1024 - east,
2048 - south,
3072 - west.
You can vibe-code a Lua script to show this info on the screen and apply some formulas, like player's velocity based on X and Y changes between frames, or convert camera angle to 360-degree angle.