let player = SKSpriteNode(imageNamed: "player-rocket.png")

override func didMove(to view: SKView) {
    // this method is called when your game scene is ready to run
    let background = SKSpriteNode(imageNamed: "space.jpg")
    background.zPosition = -1
    addChild(background)

    if let particles = SKEmitterNode(fileNamed: "SpaceDust") {
        particles.position.x = 512
        particles.advanceSimulationTime(10)
        addChild(particles)
    }

    player.position.x = -400
    player.zPosition = 1
    addChild(player)

    let tapRecognizer = UITapGestureRecognizer(target: self,
                                               action: #selector(remoteTapped(_:)))
    tapRecognizer.allowedPressTypes =
        [NSNumber(value: UIPressType.select.rawValue)]
    view.addGestureRecognizer(tapRecognizer)
}


func touchDown(atPoint pos : CGPoint) {

}

func touchMoved(toPoint pos : CGPoint) {

}

func touchUp(atPoint pos : CGPoint) {

}

// Persist the initial touch position of the remote
var touchPositionY: CGFloat = 0.0

override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
    for touch in touches {
        touchPositionY = touch.location(in:self).y
    }
}

override func touchesMoved(_ touches: Set<UITouch>, with event: UIEvent?) {
    for touch in touches {
        let location = touch.location(in: self)

        if touchPositionY != 0.0 {

            // Calculate the movement on the remote
            let deltaY = touchPositionY - location.y

            // Calculate the new Sprite position
            var y = player.position.y - deltaY

            if y > self.frame.height / 2 {
                y = self.frame.height / 2
                let rotate = SKAction.rotate(byAngle: 1.57, duration: 0.1)
                let move = SKAction.moveTo(x: 10, duration: 0.1)
                let sequence = SKAction.sequence([rotate, move])
                player.run(sequence)
            } else if y < -1 * (self.frame.height / 2) {
                y = -1 * (self.frame.height / 2)
            }

            // Move the sprite
            player.position = CGPoint(x: -400, y: y)

        }
        // Persist latest touch position
        touchPositionY = location.y
    }
}

override func touchesEnded(_ touches: Set<UITouch>, with event: UIEvent?) {

}

override func touchesCancelled(_ touches: Set<UITouch>, with event: UIEvent?) {

}

override func update(_ currentTime: TimeInterval) {
    // Called before each frame is rendered
}

// tvOS Events
extension GameScene {
    @objc func remoteTapped(
        _ recognizer: UITapGestureRecognizer) {
        //print("Tapped")
    } }