/*
    A number of icons appears on the "glass" stage, to indicate how many more resources are needed
    to complete the scene.
*/
class CargoIcon : ActionRole() {

    var index = 0
    var line = 0

    override fun begin() {
        val height = Play.instance.glassView.worldHeight
        actor.x = -40 - index * 40
        actor.y = height -50 - line * 40
        super.begin()
    }

    fun remove() {
        replaceAction(
            MoveBy( actor.position, 0.5, Vector2( -Play.instance.glassView.worldWidth, 0 ), Eases.easeInQuad )
                .and( Fade( actor.color, 0.5, 0 ) )
                .then( Kill( actor ) )
        )
    }

    override fun createAction() : Action {

        val width = Play.instance.glassView.worldWidth

        return Delay( index * 0.2 + line * 0.45 )
            .then( MoveBy( actor.position, 1, Vector2(width, 0 ), Eases.easeOutQuad ) )
    }
}