Playing with SpriteKit in a Swift Playground - Update

Things have changed a lot since I wrote "Playing with SpriteKit in a Swift Playground", so I thought it was worth writing an updated post, with an updated playground to download

As I did before, here's the minimal content you need to get a SpriteKit scene and view in a live-view in the playground... 

//SpriteKit and XCPlayground are required modules
import SpriteKit
import XCPlayground
//Basic dimensions that we will use more later
let frame = CGRect(x: 0, y: 0, width: 320, height: 256)
let midPoint = CGPoint(x: frame.size.width / 2.0, y: frame.size.height / 2.0)
//Create a scene, add something to it
var scene = SKScene(size: frame.size)
let nyanCat = SKSpriteNode(imageNamed: "Nyancat")
nyanCat.position = midPoint
//Set up the view and show the scene
let view = SKView(frame: frame)
XCPlaygroundPage.currentPage.liveView = view

However, Playgrounds are now self documenting so please feel free to download the playground and work through the multiple pages that climax in a Swift SpriteKit tribute to Nyan Cat