Moving all the source code into the main Contents.swift file so you c…

…an play around with the distance settings.

.gitignore

@@ -21,7 +21,7 @@ xcuserdata/
 *.moved-aside
 *.xccheckout
 *.xcscmblueprint
-
+.DS_Store
 ## Obj-C/Swift specific
 *.hmap
 *.ipa

ARKitDemo.playground/Contents.swift

@@ -3,6 +3,44 @@
 import UIKit
 import ARKit
 import PlaygroundSupport
+import SpriteKit
+
+public class Scene: SKScene {
+
+    public override required init(size:CGSize) {
+        super.init(size:size)
+    }
+
+    public required init(coder: NSCoder) {
+        super.init(coder:coder)!
+    }
+    public override func didMove(to view: SKView) {
+        // Setup your scene here
+    }
+
+    public override func update(_ currentTime: TimeInterval) {
+        // Called before each frame is rendered
+    }
+
+    public override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
+        guard let sceneView = self.view as? ARSKView else {
+            return
+        }
+
+        // Create anchor using the camera's current position
+        if let currentFrame = sceneView.session.currentFrame {
+            // Create a transform with a translation of 0.2 meters in front of the camera
+            var translation = matrix_identity_float4x4
+            translation.columns.3.z = -0.2
+            let transform = simd_mul(currentFrame.camera.transform, translation)
+
+            // Add a new anchor to the session
+            let anchor = ARAnchor(transform: transform)
+            sceneView.session.add(anchor: anchor)
+        }
+    }
+}
+
 
 class arKitViewController : UIViewController, ARSKViewDelegate {
     @IBOutlet var sceneView: ARSKView!
@@ -18,7 +56,8 @@ class arKitViewController : UIViewController, ARSKViewDelegate {
 
         // Load the SKScene from 'Scene.sks'
         if let scene = SKScene(fileNamed: "Scene") {
-            sceneView.presentScene(scene)
+            let myScene = scene as! Scene
+            sceneView.presentScene(myScene)
         }
 
         let config = ARWorldTrackingSessionConfiguration()
@@ -55,5 +94,4 @@ class arKitViewController : UIViewController, ARSKViewDelegate {
 }
 
 PlaygroundPage.current.liveView = arKitViewController()
-
-
+PlaygroundPage.current.needsIndefiniteExecution = true

README.md

@@ -11,3 +11,5 @@ More info on ARKit:
 
 `A messy kitchen and a virtual pear in the midst of it all`
 ![](http://www.wickedpearprogramming.com/w/wp-content/uploads/2017/06/IMG_584809A41BBF-1.jpg)
+
+The `master` branch now includes all the code in one file so you can tweak the distance from the sample ARKit code in your Swift Playgrounds app. If you'd like the old behavior, check out the [`original`](https://github.com/mhanlon/ARKitDemoPlayground/tree/original) branch.