// Displays the number of additional lives remaining

class Life : AbstractRole {

    var index = 0

    var oldShip : Ship = null

    var animation : Action = null

    override fun tick() {
        if (animation != null) {
            if (animation.act()) {
                val ship = Ship().apply {
                    bulletSpeed = oldShip.bulletSpeed
                    speedDegrees = oldShip.speedDegrees
                    shieldTicks = oldShip.shieldTicks
                    canMoveShielded = oldShip.canMoveShielded
                    center.set( oldShip.center )
                    inwards= oldShip.inwards
                    radius = oldShip.radius
                    shielded = true
                }
                actor.costume = oldShip.actor.costume
                actor.role = ship
            }
        }
    }

    fun rebirth( ship  : Ship ) {
        oldShip = ship
        val seconds = 2.0

        // Flash on and off (this will be repeated, see below)
        val flash =
            EventAction(actor, "flashOn") then
            Delay(0.1) then
            EventAction(actor, "flashOff") then
            Delay(0.1)

        // The amount the ship turns whilest moving into position.
        // It is nicer looking if it always does and extra spin (360).
        val turn = Angle.degrees(360) + ship.actor.direction - actor.direction
        if ( turn.degrees < 180 ) turn.plus( Angle.degrees( 360 ) )

        // Return to normal size, move to the correct place, and spin a little bit.
        val movement =
            ScaleTo( actor, 1, Vector2(1,1), Eases.easeInQuad ) and
            MoveTo( actor.position, seconds, ship.actor.position, Eases.easeInOut) and
            TurnBy( actor.direction, seconds, turn, Eases.easeOut)

        // Do "flash" 5 times, and then do "movement"
        // The
        animation = flash.repeat( 5 ) then
            EventAction( actor, "shield0") then
            movement then
            EventAction( actor, "default")

        animation.begin()
    }

}