/**
    The aim of the game is to knock over all of the pins.
    When a pin is knocked over, it fades away.
 */
class Pin : Scenery {

    // Are we on a Play scene? (and not a DollsHouse scene).
    var isPlay = false

    override fun begin() {
        if ( Game.instance.director is Play ) {
            isPlay = true
            Play.instance.objectives ++
        }
    }

    override fun tick() {

        // Check isFinished() to ensure that we only run this code when the pin is *first* knocked over.
        if ( isPlay && isFinished() && ( actor.direction.degrees < -70 || actor.direction.degrees > 70) ) {
            actor.event("score")
            Star.createRing( actor )
            replaceAction(
                Fade(actor.color, 1.0, 0f, Eases.easeIn) thenOnce
                Play.instance:>objectiveComplete then
                Kill(actor)
            )
        }
        // Must be AFTER tick, otherwise we may count this twice.
        super.tick()
    }

}