title Ütközés kezelés


participant RoadSection
participant Vehicle 1
participant Vehicle 2

activate RoadSection
RoadSection->RoadSection: getVehicles(): List<Vehicle>



opt vehicles.size() > 2
loop for each pair (Vehicle 1, Vehicle 2)

RoadSection->Vehicle 1: canCollide(Vehicle 2)
activate Vehicle 1
Vehicle 1-->RoadSection: true/false
deactivate Vehicle 1

    opt canCollide == true
        
        
        RoadSection->Vehicle 2: stun()
        activate Vehicle 2
        Vehicle 2-->RoadSection:
        deactivate Vehicle 2
        
        
        RoadSection->Vehicle 1: stun()
        activate Vehicle 1
        Vehicle 1-->RoadSection:
        deactivate Vehicle 1
    end
end

deactivate RoadSection

end