var Astronaut = SKSpriteNode()

    var playerAtlas = SKTextureAtlas()

    var playerAnimationsArray = [String]() // Array with all player Sprites
    var playerAnimation = [String : [SKTexture]]()
    let playerAnimationTypes = ["run", "static"] // Player's animations

    let playerScale = CGFloat(1.7)
    let playerDirection = CGFloat(-1)

    override func didMoveToView(view: SKView) {
        /* Setup your scene here */

        playerAtlas = SKTextureAtlas(named: "Player_anim")

        for i in 0 ..< playerAtlas.textureNames.count {
            playerAnimationsArray.append(playerAtlas.textureNames[i])
        }

        for i in 0 ..< playerAnimationTypes.count {
            let numberOfAnimations = playerAnimationsArray.filter{$0.hasPrefix("player_\(playerAnimationTypes[i])")}.count
            for j in 0 ..< numberOfAnimations {
                playerAnimation[playerAnimationTypes[i]]![j] = SKTexture(imageNamed: "player_\(playerAnimationTypes[i])\(String(j))")
            }
        }