• BACKGROUND_BUF : vehicle.h
• COVER_BUF : vehicle.h
• PI : vehicle.h
• SPEED_H : vehicle.h
• SPEED_W : vehicle.h
• SPEED_X : vehicle.h
• SPEED_Y : vehicle.h
• TRACK_CENTRE_X : vehicle.h
• TRACK_CENTRE_Y : vehicle.h
• TRACK_COLOR : vehicle.h
• TRACK_RADIUS : vehicle.h
• TRACK_WIDTH_HALF : vehicle.h
• VEHICLE_COLOR : vehicle.h
• VEHICLE_WIDTH_HALF : vehicle.h