class Plasma : ActionRole(), ContactListenerRole, Switchable {

    var on = true

    override fun switch(value: bool) {
        on = value
        if (on) {
            actor.event("on")
            replaceAction(createAction())
        } else {
            actor.event("off")
            replaceAction(null)
        }
    }

    override fun createAction() = ( EventAction(actor, "default") then Delay(0.05) ).forever()

    override fun beginContact(contact: Contact, otherActor: Actor) {
        if (on) {
            val otherRole = otherActor.role
            if (otherRole is DollPart) {
                val doll = (otherRole as DollPart).doll
                if ( ! doll.ending ) {
                    doll.zapped()
                    // No zap sounds on the Options scene.
                    if (director !is Menu) {
                        actor.event( "zap" )
                    }
                }
            }
        }
    }

    override fun endContact(contact: Contact, otherActor: Actor) {}
}