     var sequencePosition = 0
     var chainDelay = 3.0
     var nextSequenceQueued = true
+    var gameEnded = false
     
     override func didMoveToView(view: SKView) {
         /* Setup your scene here */

    }
    
    override func touchesMoved(touches: Set<UITouch>, withEvent event: UIEvent?) {
        guard let touch = touches.first else { return }
        let location = touch.locationInNode(self)
        

    }
    
    func tossEnemies() {
        if gameEnded {
            return
        }
        
        popupTime *= 0.991
        chainDelay *= 0.99
        physicsWorld.speed *= 1.02
