TODO for Phase 3 (Simulation)

cars

model cars parking
- make vanished cars just park again
  - how to handle when parking is full or no parking at goal road?
code cleanup
- try to simplify straw_model step (less phases?)
- figure out responsibility btwn agents and managers, then fix up visibility
- rng should live in a scenario spec layer, not in the sim itself
better visualization
- draw moving / blocked colors (gradually more red as they wait longer)
- draw stop buffer in front/behind of cars
- draw cars in intersections, even when slightly zoomed out
- draw cars in slightly different colors, to distinguish them better
start implementing a second AORTAish driving model
- then make cars park/unpark at the correct position
reversible sim