title Jégen csúszás

participant Vehicle
participant RoadSection 1
participant RoadSection 2

    activate Vehicle
    Vehicle->Vehicle: getCurrentRoad()

    
    Vehicle->RoadSection 1: getState()
    activate RoadSection 1
    RoadSection 1-->Vehicle: ICY
    deactivate RoadSection 1

    opt state == ICY
        Vehicle->Vehicle: stun()
        
        Vehicle->RoadSection 1: getRandomAdjacentRoadSection()
        activate RoadSection 1
        
        RoadSection 1-->Vehicle: RoadSection 2
        deactivate RoadSection 1

        Vehicle->RoadSection 2: accept(RoadSection 1, Vehicle)
        activate RoadSection 2
        RoadSection 2-->Vehicle: bool
        deactivate RoadSection 2
    end
    deactivate Vehicle