/**
    When you have completed all of the scenes (which are broken up into chapters),
    then you can play the next instalments.
    Example instalments : Normal Gravity, High-G, Inversion, Total Inversion...
*/
class InstalmentButton : Button() {

    @Attribute
    var instalment = 1

    override fun activated() {
        super.activated()
        if ( instalment > HiggsAnomaly.instance.instalmentsCompleted() + 1 ) {
            actor.die()
            return
        }
    }

    override fun onClicked(event: MouseEvent) {
        HiggsAnomaly.instance.instalment = instalment
        HiggsAnomaly.instance.highlightInstalment()
        actor.event("ding")
    }

}