class Shield : AbstractRole, Alien, Human, Bounces {

    override fun tick() {
    }
    
    override fun hit() {
        actor.event( "hit" )
        actor.role = Dying()
    }

    override fun bounce( impact : double ) {
        // Have we been hit hard enough to be destroyed?
        if (impact > 0.5) {
            actor.role = Dying()
        }
    }

}