refactoring the code

.gitignore

README.md

billiard_input.json

billiard_out.json

billiardsrc.c

cartoy-out.json

cartoy.c

common_road_vis.py

example_car_lane_switch.py

example_two_car_lane_switch.py

full_run

generateGraph-new.py

generateGraph.py

ourtool/map/single_straight_lane.py

out.json

requirements.txt

singlevehiclesat-out.json

singlevehiclesat.c

singlevehiclesat.json

src/__init__.py