Simulator TODO

[PeterMitrano]

• [ ] add proper encoder tick simulation
• [ ] pan/zoom in on maze
• [ ] pre-compute one maze wall thickness to prevent off-by-one pixel rounding errors
• [ ] add trace to show past mouse pose
• [ ] detect collision between mouse and walls (don't simulate physics, just detect)
• [x] save/restore PID values
• [x] save plots to png
• [ ] dark theme
• [x] keyboard shortcuts
• [x] document keyboard shortcuts

[PeterMitrano]

add buttons and leds