chore: fix code formatting and update image extension

Author: riccqi

.gitignore

@@ -0,0 +1,15 @@
+### Xcode ###
+## User settings
+xcuserdata/
+
+## Xcode 8 and earlier
+*.xcscmblueprint
+*.xccheckout
+
+### Xcode Patch ###
+*.xcodeproj/*
+!*.xcodeproj/project.pbxproj
+!*.xcodeproj/xcshareddata/
+!*.xcworkspace/contents.xcworkspacedata
+/*.gcno
+**/xcshareddata/WorkspaceSettings.xcsettings

ARImageTracking/AppDelegate.swift

@@ -5,17 +5,14 @@
 //  Created by Qi on 8/1/21.
 //
 
-import UIKit
 import SwiftUI
+import UIKit
 
 @main
 class AppDelegate: UIResponder, UIApplicationDelegate {
-
     var window: UIWindow?
 
-
     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
-
         // Create the SwiftUI view that provides the window contents.
         let contentView = ContentView()
 
@@ -43,7 +40,4 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
     func applicationDidBecomeActive(_ application: UIApplication) {
         // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
     }
-
-
 }
-

ARImageTracking/Assets.xcassets/AR Resources.arresourcegroup/xs.arreferenceimage/Contents.json

@@ -1,7 +1,7 @@
 {
   "images" : [
     {
-      "filename" : "xs.JPG",
+      "filename" : "xs.jpg",
       "idiom" : "universal"
     }
   ],

ARImageTracking/ContentView.swift

@@ -6,11 +6,11 @@
 //
 
 import ARKit
-import SwiftUI
 import RealityKit
+import SwiftUI
 
-//Displays as a SwiftUI View
-struct ContentView : View {
+// Displays as a SwiftUI View
+struct ContentView: View {
     var body: some View {
         return ARViewContainer().edgesIgnoringSafeArea(.all)
     }
@@ -23,7 +23,7 @@ struct ARViewContainer: UIViewRepresentable {
         Coordinator(parent: self)
     }
 
-    class Coordinator: NSObject, ARSessionDelegate{
+    class Coordinator: NSObject, ARSessionDelegate {
         var parent: ARViewContainer
         var videoPlayer: AVPlayer!
 
@@ -37,7 +37,7 @@ struct ARViewContainer: UIViewRepresentable {
                 return
             }
 
-            //Assigns video to be overlaid
+            // Assigns video to be overlaid
             guard let path = Bundle.main.path(forResource: "iphonevideo", ofType: "mp4") else {
                 print("Unable to find video file.")
                 return
@@ -48,30 +48,30 @@ struct ARViewContainer: UIViewRepresentable {
             videoPlayer = AVPlayer(playerItem: playerItem)
             let videoMaterial = VideoMaterial(avPlayer: videoPlayer)
 
-			// size of video plane depending of the image
-			let width: Float = Float(imageAnchor.referenceImage.physicalSize.width * 1.03)
-			let height: Float = Float(imageAnchor.referenceImage.physicalSize.height * 1.03)
+            // size of video plane depending of the image
+            let width = Float(imageAnchor.referenceImage.physicalSize.width * 1.03)
+            let height = Float(imageAnchor.referenceImage.physicalSize.height * 1.03)
 
-            //Sets the aspect ratio of the video to be played, and the corner radius of the video
+            // Sets the aspect ratio of the video to be played, and the corner radius of the video
             let videoPlane = ModelEntity(mesh: .generatePlane(width: width, depth: height, cornerRadius: 0.3), materials: [videoMaterial])
 
-            //Assigns reference image that will be detected
-            if let imageName = imageAnchor.name, imageName  == "xs" {
+            // Assigns reference image that will be detected
+            if let imageName = imageAnchor.name, imageName == "xs" {
                 let anchor = AnchorEntity(anchor: imageAnchor)
-                //Adds specified video to the anchor
+                // Adds specified video to the anchor
                 anchor.addChild(videoPlane)
                 parent.arView.scene.addAnchor(anchor)
             }
         }
 
-        //Checks for tracking status
+        // Checks for tracking status
         func session(_ session: ARSession, didUpdate anchors: [ARAnchor]) {
             guard let imageAnchor = anchors[0] as? ARImageAnchor else {
                 print("Problems loading anchor.")
                 return
             }
 
-            //Plays/pauses the video when tracked/loses tracking
+            // Plays/pauses the video when tracked/loses tracking
             if imageAnchor.isTracked {
                 videoPlayer.play()
             } else {
@@ -82,19 +82,20 @@ struct ARViewContainer: UIViewRepresentable {
 
     func makeUIView(context: Context) -> ARView {
         guard let referenceImages = ARReferenceImage.referenceImages(
-                    inGroupNamed: "AR Resources", bundle: nil) else {
-                    fatalError("Missing expected asset catalog resources.")
-                }
+            inGroupNamed: "AR Resources", bundle: nil)
+        else {
+            fatalError("Missing expected asset catalog resources.")
+        }
 
-        //Assigns coordinator to delegate the AR View
+        // Assigns coordinator to delegate the AR View
         arView.session.delegate = context.coordinator
 
         let configuration = ARImageTrackingConfiguration()
         configuration.isAutoFocusEnabled = true
         configuration.trackingImages = referenceImages
         configuration.maximumNumberOfTrackedImages = 1
 
-        //Enables People Occulusion on supported iOS Devices
+        // Enables People Occulusion on supported iOS Devices
         if ARWorldTrackingConfiguration.supportsFrameSemantics(.personSegmentationWithDepth) {
             configuration.frameSemantics.insert(.personSegmentationWithDepth)
         } else {
@@ -107,4 +108,3 @@ struct ARViewContainer: UIViewRepresentable {
 
     func updateUIView(_ uiView: ARView, context: Context) {}
 }
-