class Gate : Item{

    @Attribute
    var scene = "hub"

    var open = false


    override fun rounded( direction : int ) = true

    fun open() {
        open = true
        actor.event( "open" )
    }

    override fun collectable() = open

    fun enter() {
        if (open) {
            Game.instance.startScene( scene )
        }
    }

    override fun invaded( movement : Movement ) : boolean {
        if ( movement.item.isPlayer() ) {
            val player = movement.item as Player

            player.actor.event( "entering" )
            // NOTE the animation is being performed by the GATE, not the PLAYER.
            // This is because the Player will get a new Action once the Movement is completed.
            replaceAction(
                (
                    ScaleTo( player.actor, 2, 0.1, Eases.easeOut ) and
                    TurnBy( player.actor.direction, 2, Angle.degrees( 360 * 4 ), Eases.easeIn ) and
                    Fade( player.actor.color, 2, 0, Eases.easeInQuad )
                ) thenOnce this:>enter
            )
            // Prevents the player from moving once in the gate.
            player.awake = false

        }
        return true
    }
}