diff --git a/iOS12_Sampler/ios12 Sampler.xcodeproj/project.pbxproj b/iOS12_Sampler/ios12 Sampler.xcodeproj/project.pbxproj
index a91361b..3e8249d 100644
--- a/iOS12_Sampler/ios12 Sampler.xcodeproj/project.pbxproj	
+++ b/iOS12_Sampler/ios12 Sampler.xcodeproj/project.pbxproj	
@@ -10,6 +10,25 @@
 		2E04C9092B503318000B4936 /* StatusViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2E04C9082B503318000B4936 /* StatusViewController.swift */; };
 		2E15A5982B32F720001EA792 /* RectangleDetector.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2E15A5972B32F720001EA792 /* RectangleDetector.swift */; };
 		2E15A59A2B32FE85001EA792 /* ARImageDetectorVC.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2E15A5992B32FE85001EA792 /* ARImageDetectorVC.swift */; };
+		2E18E1462BB2A70900D4C1E3 /* ARPostureDetection+ARSessionDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2E18E1452BB2A70900D4C1E3 /* ARPostureDetection+ARSessionDelegate.swift */; };
+		2E18E14B2BB2A94F00D4C1E3 /* Bones.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2E18E1492BB2A94F00D4C1E3 /* Bones.swift */; };
+		2E18E14C2BB2A94F00D4C1E3 /* JointAngles.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2E18E14A2BB2A94F00D4C1E3 /* JointAngles.swift */; };
+		2E18E14F2BB2AAEE00D4C1E3 /* SkeletonJoint.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2E18E14D2BB2AAEE00D4C1E3 /* SkeletonJoint.swift */; };
+		2E18E1502BB2AAEE00D4C1E3 /* SkeletonBone.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2E18E14E2BB2AAEE00D4C1E3 /* SkeletonBone.swift */; };
+		2E18E1552BB2AC9300D4C1E3 /* BodySkeleton.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2E18E1522BB2AC9300D4C1E3 /* BodySkeleton.swift */; };
+		2E18E1562BB2AC9300D4C1E3 /* BodySkeleton+AngleDetection.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2E18E1532BB2AC9300D4C1E3 /* BodySkeleton+AngleDetection.swift */; };
+		2E18E1572BB2AC9300D4C1E3 /* BodySkeleton+Entity.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2E18E1542BB2AC9300D4C1E3 /* BodySkeleton+Entity.swift */; };
+		2E18E1592BB2AD2800D4C1E3 /* String+Extension.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2E18E1582BB2AD2800D4C1E3 /* String+Extension.swift */; };
+		2E18E15B2BB2BB1500D4C1E3 /* StandingPostureVC.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2E18E15A2BB2BB1500D4C1E3 /* StandingPostureVC.swift */; };
+		2E2C35C42BE215F100200E7E /* ARFaceDetection.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2E2C35C32BE215F100200E7E /* ARFaceDetection.swift */; };
+		2E2C35C62BE216FC00200E7E /* ModelCollectionCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2E2C35C52BE216FC00200E7E /* ModelCollectionCell.swift */; };
+		2E41DFD12BE2206F0012F773 /* Heart.usdz in Resources */ = {isa = PBXBuildFile; fileRef = 2E41DFCA2BE2206F0012F773 /* Heart.usdz */; };
+		2E41DFD22BE2206F0012F773 /* Glasses.usdz in Resources */ = {isa = PBXBuildFile; fileRef = 2E41DFCB2BE2206F0012F773 /* Glasses.usdz */; };
+		2E41DFD32BE2206F0012F773 /* Cyclops.usdz in Resources */ = {isa = PBXBuildFile; fileRef = 2E41DFCC2BE2206F0012F773 /* Cyclops.usdz */; };
+		2E41DFD42BE2206F0012F773 /* Neon.usdz in Resources */ = {isa = PBXBuildFile; fileRef = 2E41DFCD2BE2206F0012F773 /* Neon.usdz */; };
+		2E41DFD52BE2206F0012F773 /* Star.usdz in Resources */ = {isa = PBXBuildFile; fileRef = 2E41DFCE2BE2206F0012F773 /* Star.usdz */; };
+		2E41DFD62BE2206F0012F773 /* Swag.usdz in Resources */ = {isa = PBXBuildFile; fileRef = 2E41DFCF2BE2206F0012F773 /* Swag.usdz */; };
+		2E41DFD72BE2206F0012F773 /* Animoji.usdz in Resources */ = {isa = PBXBuildFile; fileRef = 2E41DFD02BE2206F0012F773 /* Animoji.usdz */; };
 		2E70214B2B8EFC4000089680 /* ARPostureDetection.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2E70214A2B8EFC4000089680 /* ARPostureDetection.swift */; };
 		2E70214F2B90A0D900089680 /* BaseCameraVC.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2E70214E2B90A0D900089680 /* BaseCameraVC.swift */; };
 		2E7021512B90A42700089680 /* AVDetailsVC.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2E7021502B90A42700089680 /* AVDetailsVC.swift */; };
@@ -21,6 +40,7 @@
 		2E7503282B30640100DF78E1 /* ARSurfaceDetectionVC.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2E7503272B30640100DF78E1 /* ARSurfaceDetectionVC.swift */; };
 		2E75032B2B3079FB00DF78E1 /* Plane.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2E75032A2B3079FB00DF78E1 /* Plane.swift */; };
 		2E75032D2B30913E00DF78E1 /* Utility.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2E75032C2B30913E00DF78E1 /* Utility.swift */; };
+		2E7D4AFC2BBADA0600DE0004 /* Metal_Round_Glasses.usdz in Resources */ = {isa = PBXBuildFile; fileRef = 2E7D4AF12BBADA0600DE0004 /* Metal_Round_Glasses.usdz */; };
 		2E89AB4A2B46DBD8005EB695 /* ImageTrackingUtility.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2E89AB492B46DBD8005EB695 /* ImageTrackingUtility.swift */; };
 		2E89AB4C2B47E11C005EB695 /* VisuallizationNode.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2E89AB4B2B47E11C005EB695 /* VisuallizationNode.swift */; };
 		2E89AB4F2B481EAA005EB695 /* FilterCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2E89AB4E2B481EAA005EB695 /* FilterCell.swift */; };
@@ -97,6 +117,25 @@
 		2E04C9082B503318000B4936 /* StatusViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StatusViewController.swift; sourceTree = "<group>"; };
 		2E15A5972B32F720001EA792 /* RectangleDetector.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RectangleDetector.swift; sourceTree = "<group>"; };
 		2E15A5992B32FE85001EA792 /* ARImageDetectorVC.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ARImageDetectorVC.swift; sourceTree = "<group>"; };
+		2E18E1452BB2A70900D4C1E3 /* ARPostureDetection+ARSessionDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "ARPostureDetection+ARSessionDelegate.swift"; sourceTree = "<group>"; };
+		2E18E1492BB2A94F00D4C1E3 /* Bones.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Bones.swift; sourceTree = "<group>"; };
+		2E18E14A2BB2A94F00D4C1E3 /* JointAngles.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = JointAngles.swift; sourceTree = "<group>"; };
+		2E18E14D2BB2AAEE00D4C1E3 /* SkeletonJoint.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = SkeletonJoint.swift; sourceTree = "<group>"; };
+		2E18E14E2BB2AAEE00D4C1E3 /* SkeletonBone.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = SkeletonBone.swift; sourceTree = "<group>"; };
+		2E18E1522BB2AC9300D4C1E3 /* BodySkeleton.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = BodySkeleton.swift; path = "ios12 Sampler/Body Detection with AR/Standing Posture/SkeletonHelper/BodySkeleton.swift"; sourceTree = SOURCE_ROOT; };
+		2E18E1532BB2AC9300D4C1E3 /* BodySkeleton+AngleDetection.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = "BodySkeleton+AngleDetection.swift"; path = "ios12 Sampler/Body Detection with AR/Standing Posture/SkeletonHelper/BodySkeleton+AngleDetection.swift"; sourceTree = SOURCE_ROOT; };
+		2E18E1542BB2AC9300D4C1E3 /* BodySkeleton+Entity.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = "BodySkeleton+Entity.swift"; path = "ios12 Sampler/Body Detection with AR/Standing Posture/SkeletonHelper/BodySkeleton+Entity.swift"; sourceTree = SOURCE_ROOT; };
+		2E18E1582BB2AD2800D4C1E3 /* String+Extension.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "String+Extension.swift"; sourceTree = "<group>"; };
+		2E18E15A2BB2BB1500D4C1E3 /* StandingPostureVC.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = StandingPostureVC.swift; sourceTree = "<group>"; };
+		2E2C35C32BE215F100200E7E /* ARFaceDetection.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ARFaceDetection.swift; sourceTree = "<group>"; };
+		2E2C35C52BE216FC00200E7E /* ModelCollectionCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ModelCollectionCell.swift; sourceTree = "<group>"; };
+		2E41DFCA2BE2206F0012F773 /* Heart.usdz */ = {isa = PBXFileReference; lastKnownFileType = file.usdz; path = Heart.usdz; sourceTree = "<group>"; };
+		2E41DFCB2BE2206F0012F773 /* Glasses.usdz */ = {isa = PBXFileReference; lastKnownFileType = file.usdz; path = Glasses.usdz; sourceTree = "<group>"; };
+		2E41DFCC2BE2206F0012F773 /* Cyclops.usdz */ = {isa = PBXFileReference; lastKnownFileType = file.usdz; path = Cyclops.usdz; sourceTree = "<group>"; };
+		2E41DFCD2BE2206F0012F773 /* Neon.usdz */ = {isa = PBXFileReference; lastKnownFileType = file.usdz; path = Neon.usdz; sourceTree = "<group>"; };
+		2E41DFCE2BE2206F0012F773 /* Star.usdz */ = {isa = PBXFileReference; lastKnownFileType = file.usdz; path = Star.usdz; sourceTree = "<group>"; };
+		2E41DFCF2BE2206F0012F773 /* Swag.usdz */ = {isa = PBXFileReference; lastKnownFileType = file.usdz; path = Swag.usdz; sourceTree = "<group>"; };
+		2E41DFD02BE2206F0012F773 /* Animoji.usdz */ = {isa = PBXFileReference; lastKnownFileType = file.usdz; path = Animoji.usdz; sourceTree = "<group>"; };
 		2E70214A2B8EFC4000089680 /* ARPostureDetection.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ARPostureDetection.swift; sourceTree = "<group>"; };
 		2E70214E2B90A0D900089680 /* BaseCameraVC.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BaseCameraVC.swift; sourceTree = "<group>"; };
 		2E7021502B90A42700089680 /* AVDetailsVC.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AVDetailsVC.swift; sourceTree = "<group>"; };
@@ -108,6 +147,7 @@
 		2E7503272B30640100DF78E1 /* ARSurfaceDetectionVC.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ARSurfaceDetectionVC.swift; sourceTree = "<group>"; };
 		2E75032A2B3079FB00DF78E1 /* Plane.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Plane.swift; sourceTree = "<group>"; };
 		2E75032C2B30913E00DF78E1 /* Utility.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Utility.swift; sourceTree = "<group>"; };
+		2E7D4AF12BBADA0600DE0004 /* Metal_Round_Glasses.usdz */ = {isa = PBXFileReference; lastKnownFileType = file.usdz; path = Metal_Round_Glasses.usdz; sourceTree = "<group>"; };
 		2E89AB492B46DBD8005EB695 /* ImageTrackingUtility.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ImageTrackingUtility.swift; sourceTree = "<group>"; };
 		2E89AB4B2B47E11C005EB695 /* VisuallizationNode.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = VisuallizationNode.swift; sourceTree = "<group>"; };
 		2E89AB4E2B481EAA005EB695 /* FilterCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FilterCell.swift; sourceTree = "<group>"; };
@@ -213,6 +253,86 @@
 			path = Utilities;
 			sourceTree = "<group>";
 		};
+		2E18E1442BB2A68400D4C1E3 /* Sitting Posture */ = {
+			isa = PBXGroup;
+			children = (
+				2E70214A2B8EFC4000089680 /* ARPostureDetection.swift */,
+				2E18E1452BB2A70900D4C1E3 /* ARPostureDetection+ARSessionDelegate.swift */,
+			);
+			path = "Sitting Posture";
+			sourceTree = "<group>";
+		};
+		2E18E1472BB2A7AB00D4C1E3 /* Standing Posture */ = {
+			isa = PBXGroup;
+			children = (
+				2E18E15A2BB2BB1500D4C1E3 /* StandingPostureVC.swift */,
+				2E18E15C2BB2BB3500D4C1E3 /* SkeletonHelper */,
+				2E18E1512BB2ABE300D4C1E3 /* Skeleton */,
+			);
+			path = "Standing Posture";
+			sourceTree = "<group>";
+		};
+		2E18E1482BB2A93B00D4C1E3 /* Enums */ = {
+			isa = PBXGroup;
+			children = (
+				2E18E1492BB2A94F00D4C1E3 /* Bones.swift */,
+				2E18E14A2BB2A94F00D4C1E3 /* JointAngles.swift */,
+			);
+			path = Enums;
+			sourceTree = "<group>";
+		};
+		2E18E1512BB2ABE300D4C1E3 /* Skeleton */ = {
+			isa = PBXGroup;
+			children = (
+				2E18E14E2BB2AAEE00D4C1E3 /* SkeletonBone.swift */,
+				2E18E14D2BB2AAEE00D4C1E3 /* SkeletonJoint.swift */,
+				2E18E1482BB2A93B00D4C1E3 /* Enums */,
+			);
+			path = Skeleton;
+			sourceTree = "<group>";
+		};
+		2E18E15C2BB2BB3500D4C1E3 /* SkeletonHelper */ = {
+			isa = PBXGroup;
+			children = (
+				2E18E1522BB2AC9300D4C1E3 /* BodySkeleton.swift */,
+				2E18E1532BB2AC9300D4C1E3 /* BodySkeleton+AngleDetection.swift */,
+				2E18E1542BB2AC9300D4C1E3 /* BodySkeleton+Entity.swift */,
+			);
+			path = SkeletonHelper;
+			sourceTree = "<group>";
+		};
+		2E2C35C22BE215CB00200E7E /* Face Detection with AR */ = {
+			isa = PBXGroup;
+			children = (
+				2E2C35C32BE215F100200E7E /* ARFaceDetection.swift */,
+				2E2C35C72BE2170100200E7E /* Cell */,
+			);
+			path = "Face Detection with AR";
+			sourceTree = "<group>";
+		};
+		2E2C35C72BE2170100200E7E /* Cell */ = {
+			isa = PBXGroup;
+			children = (
+				2E2C35C52BE216FC00200E7E /* ModelCollectionCell.swift */,
+			);
+			path = Cell;
+			sourceTree = "<group>";
+		};
+		2E41DFC92BE220250012F773 /* Face Models */ = {
+			isa = PBXGroup;
+			children = (
+				2E7D4AF12BBADA0600DE0004 /* Metal_Round_Glasses.usdz */,
+				2E41DFD02BE2206F0012F773 /* Animoji.usdz */,
+				2E41DFCC2BE2206F0012F773 /* Cyclops.usdz */,
+				2E41DFCB2BE2206F0012F773 /* Glasses.usdz */,
+				2E41DFCA2BE2206F0012F773 /* Heart.usdz */,
+				2E41DFCD2BE2206F0012F773 /* Neon.usdz */,
+				2E41DFCE2BE2206F0012F773 /* Star.usdz */,
+				2E41DFCF2BE2206F0012F773 /* Swag.usdz */,
+			);
+			path = "Face Models";
+			sourceTree = "<group>";
+		};
 		2E7021492B8EFBD500089680 /* Body Detection with AR */ = {
 			isa = PBXGroup;
 			children = (
@@ -281,6 +401,7 @@
 		2E962C6C2B67A10400D0903D /* USDZ */ = {
 			isa = PBXGroup;
 			children = (
+				2E41DFC92BE220250012F773 /* Face Models */,
 				2E962C8E2B69017200D0903D /* robot_walk_idle.usdz */,
 				2E90B3EC2B87636800D3DB90 /* biped_robot.usdz */,
 			);
@@ -387,6 +508,7 @@
 				4931C78C20D3988E002F907B /* AVTextureEnvironment.swift */,
 				8127E0E220D7E5B500D8CD7F /* AVImageDetaction.swift */,
 				2E7021492B8EFBD500089680 /* Body Detection with AR */,
+				2E2C35C22BE215CB00200E7E /* Face Detection with AR */,
 				2E04C9032B4EE267000B4936 /* Detecting Images in AR */,
 				2E75034B2B31E00400DF78E1 /* Tracking and altering images */,
 				2E7503222B30227F00DF78E1 /* Surface Detection */,
@@ -557,11 +679,19 @@
 				8127E0E820D7E6DC00D8CD7F /* giphy.gif in Resources */,
 				4969EA8F20D109FC00F8AE9E /* art.scnassets in Resources */,
 				4991D8F520D907B500BF6564 /* Loky.gif in Resources */,
+				2E41DFD12BE2206F0012F773 /* Heart.usdz in Resources */,
+				2E41DFD32BE2206F0012F773 /* Cyclops.usdz in Resources */,
+				2E7D4AFC2BBADA0600DE0004 /* Metal_Round_Glasses.usdz in Resources */,
+				2E41DFD62BE2206F0012F773 /* Swag.usdz in Resources */,
 				4969EA9920D109FD00F8AE9E /* LaunchScreen.storyboard in Resources */,
 				2E962C8F2B69017200D0903D /* robot_walk_idle.usdz in Resources */,
 				2E90B3ED2B87636800D3DB90 /* biped_robot.usdz in Resources */,
+				2E41DFD22BE2206F0012F773 /* Glasses.usdz in Resources */,
 				4969EA9620D109FD00F8AE9E /* Assets.xcassets in Resources */,
+				2E41DFD42BE2206F0012F773 /* Neon.usdz in Resources */,
 				4969EA9420D109FC00F8AE9E /* Main.storyboard in Resources */,
+				2E41DFD52BE2206F0012F773 /* Star.usdz in Resources */,
+				2E41DFD72BE2206F0012F773 /* Animoji.usdz in Resources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -611,6 +741,7 @@
 				2E7503282B30640100DF78E1 /* ARSurfaceDetectionVC.swift in Sources */,
 				2E7021562B95ACD600089680 /* SCNVector3+Extension.swift in Sources */,
 				4968C0E520D14B3200D384F0 /* AVChoiceVC.swift in Sources */,
+				2E2C35C42BE215F100200E7E /* ARFaceDetection.swift in Sources */,
 				4969EA9120D109FC00F8AE9E /* AVSharingWorldMapVC.swift in Sources */,
 				4904E80F20D776B3002F5210 /* PointCloud+CreateVisualization.swift in Sources */,
 				2E75032D2B30913E00DF78E1 /* Utility.swift in Sources */,
@@ -641,6 +772,7 @@
 				4968C0DB20D12AA700D384F0 /* ThresholdPanGestureRecognizer.swift in Sources */,
 				4904E80C20D776B3002F5210 /* DetectedObject.swift in Sources */,
 				2E15A59A2B32FE85001EA792 /* ARImageDetectorVC.swift in Sources */,
+				2E2C35C62BE216FC00200E7E /* ModelCollectionCell.swift in Sources */,
 				2E9300F92B469633002BF5D6 /* StyleTransferModel.mlpackage in Sources */,
 				4968C0CC20D12AA700D384F0 /* RoundedButton.swift in Sources */,
 			);
diff --git a/iOS12_Sampler/ios12 Sampler/AVDetailsVC.swift b/iOS12_Sampler/ios12 Sampler/AVDetailsVC.swift
index 267e02c..60746e9 100644
--- a/iOS12_Sampler/ios12 Sampler/AVDetailsVC.swift	
+++ b/iOS12_Sampler/ios12 Sampler/AVDetailsVC.swift	
@@ -32,7 +32,7 @@ class AVDetailsVC: BaseCameraVC {
     }
 
     @IBAction func btnSurfaceDetectionClicked(_ sender: UIButton) {
-        let vc = self.storyboard?.instantiateViewController(withIdentifier: "ARSurfaceDetectionVC") as? ARSurfaceDetectionVC
+        let vc = self.storyboard?.instantiateViewController(withIdentifier: "ARFaceDetection") as? ARFaceDetection
         self.navigationController?.pushViewController(vc!, animated: true)
     }
 
diff --git a/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Contents.json b/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Contents.json
new file mode 100644
index 0000000..73c0059
--- /dev/null
+++ b/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Contents.json	
@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
diff --git a/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Cyclops.imageset/Contents.json b/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Cyclops.imageset/Contents.json
new file mode 100644
index 0000000..b9d7b65
--- /dev/null
+++ b/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Cyclops.imageset/Contents.json	
@@ -0,0 +1,21 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "Cyclops.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
diff --git a/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Cyclops.imageset/Cyclops.png b/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Cyclops.imageset/Cyclops.png
new file mode 100644
index 0000000..0a1f703
Binary files /dev/null and b/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Cyclops.imageset/Cyclops.png differ
diff --git a/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Glasses.imageset/Contents.json b/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Glasses.imageset/Contents.json
new file mode 100644
index 0000000..668a8e6
--- /dev/null
+++ b/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Glasses.imageset/Contents.json	
@@ -0,0 +1,21 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "Glasses.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
diff --git a/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Glasses.imageset/Glasses.png b/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Glasses.imageset/Glasses.png
new file mode 100644
index 0000000..39071f8
Binary files /dev/null and b/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Glasses.imageset/Glasses.png differ
diff --git a/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Heart.imageset/Contents.json b/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Heart.imageset/Contents.json
new file mode 100644
index 0000000..ba142fa
--- /dev/null
+++ b/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Heart.imageset/Contents.json	
@@ -0,0 +1,21 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "heart2.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
diff --git a/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Heart.imageset/heart2.png b/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Heart.imageset/heart2.png
new file mode 100644
index 0000000..9934e7d
Binary files /dev/null and b/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Heart.imageset/heart2.png differ
diff --git a/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Neon.imageset/Contents.json b/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Neon.imageset/Contents.json
new file mode 100644
index 0000000..738922b
--- /dev/null
+++ b/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Neon.imageset/Contents.json	
@@ -0,0 +1,21 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "Neon.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
diff --git a/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Neon.imageset/Neon.png b/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Neon.imageset/Neon.png
new file mode 100644
index 0000000..d63b03e
Binary files /dev/null and b/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Neon.imageset/Neon.png differ
diff --git a/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Robo.imageset/Contents.json b/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Robo.imageset/Contents.json
new file mode 100644
index 0000000..fc9aa21
--- /dev/null
+++ b/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Robo.imageset/Contents.json	
@@ -0,0 +1,21 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "Robo.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
diff --git a/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Robo.imageset/Robo.png b/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Robo.imageset/Robo.png
new file mode 100644
index 0000000..7eb378b
Binary files /dev/null and b/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Robo.imageset/Robo.png differ
diff --git a/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Star.imageset/Contents.json b/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Star.imageset/Contents.json
new file mode 100644
index 0000000..e2041ea
--- /dev/null
+++ b/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Star.imageset/Contents.json	
@@ -0,0 +1,21 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "Star.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
diff --git a/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Star.imageset/Star.png b/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Star.imageset/Star.png
new file mode 100644
index 0000000..a3e472e
Binary files /dev/null and b/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Star.imageset/Star.png differ
diff --git a/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Swag.imageset/Contents.json b/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Swag.imageset/Contents.json
new file mode 100644
index 0000000..2c8dd00
--- /dev/null
+++ b/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Swag.imageset/Contents.json	
@@ -0,0 +1,21 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "Swag.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
diff --git a/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Swag.imageset/Swag.png b/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Swag.imageset/Swag.png
new file mode 100644
index 0000000..e996f7e
Binary files /dev/null and b/iOS12_Sampler/ios12 Sampler/Assets.xcassets/Models/Swag.imageset/Swag.png differ
diff --git a/iOS12_Sampler/ios12 Sampler/Base.lproj/Main.storyboard b/iOS12_Sampler/ios12 Sampler/Base.lproj/Main.storyboard
index dc20611..5276ae8 100644
--- a/iOS12_Sampler/ios12 Sampler/Base.lproj/Main.storyboard	
+++ b/iOS12_Sampler/ios12 Sampler/Base.lproj/Main.storyboard	
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="22155" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="k7f-92-VpS">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="32700.99.1234" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="k7f-92-VpS">
     <device id="retina4_7" orientation="portrait" appearance="light"/>
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="22131"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="22684"/>
         <capability name="Safe area layout guides" minToolsVersion="9.0"/>
         <capability name="System colors in document resources" minToolsVersion="11.0"/>
         <capability name="collection view cell content view" minToolsVersion="11.0"/>
@@ -1401,7 +1401,6 @@ Image Filter</string>
                                                             <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="7WI-Yy-R8a">
                                                                 <rect key="frame" x="0.0" y="0.0" width="162.5" height="140"/>
                                                                 <connections>
-                                                                    <action selector="btnActionWorldSharing:" destination="vfx-xJ-K1L" eventType="touchUpInside" id="MuM-8A-PFl"/>
                                                                     <action selector="btnLiveImageFilterClicked:" destination="M8d-dN-Tsk" eventType="touchUpInside" id="n4T-3o-DdU"/>
                                                                 </connections>
                                                             </button>
@@ -1439,7 +1438,7 @@ Image Filter</string>
                                                             </imageView>
                                                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" lineBreakMode="tailTruncation" numberOfLines="0" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="e9n-9R-36g">
                                                                 <rect key="frame" x="20" y="75" width="122.5" height="45"/>
-                                                                <string key="text">Surface
+                                                                <string key="text">Face
 Detection</string>
                                                                 <fontDescription key="fontDescription" name="PingFangTC-Semibold" family="PingFang TC" pointSize="16"/>
                                                                 <color key="textColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
@@ -1448,7 +1447,6 @@ Detection</string>
                                                             <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="Kbp-aI-C94">
                                                                 <rect key="frame" x="0.0" y="0.0" width="162.5" height="140"/>
                                                                 <connections>
-                                                                    <action selector="btnImageDetection:" destination="vfx-xJ-K1L" eventType="touchUpInside" id="LcQ-Cq-n4L"/>
                                                                     <action selector="btnSurfaceDetectionClicked:" destination="M8d-dN-Tsk" eventType="touchUpInside" id="bC5-UQ-Cgl"/>
                                                                 </connections>
                                                             </button>
@@ -1501,7 +1499,6 @@ Detection</string>
                                                             <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="cMb-Q7-Afq">
                                                                 <rect key="frame" x="0.0" y="0.0" width="162.5" height="140"/>
                                                                 <connections>
-                                                                    <action selector="btnActionScanAndDetectObjects:" destination="vfx-xJ-K1L" eventType="touchUpInside" id="B8g-Dw-bUu"/>
                                                                     <action selector="btnSittingPostureClicked:" destination="M8d-dN-Tsk" eventType="touchUpInside" id="6Be-qu-Php"/>
                                                                 </connections>
                                                             </button>
@@ -1625,6 +1622,96 @@ Detection</string>
             </objects>
             <point key="canvasLocation" x="-1399" y="833"/>
         </scene>
+        <!--Face Detection-->
+        <scene sceneID="DJy-GH-gK6">
+            <objects>
+                <viewController storyboardIdentifier="ARFaceDetection" useStoryboardIdentifierAsRestorationIdentifier="YES" id="h06-IJ-xf4" customClass="ARFaceDetection" customModule="ios12_Sampler" customModuleProvider="target" sceneMemberID="viewController">
+                    <view key="view" contentMode="scaleToFill" id="wgx-Z0-3FG">
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
+                        <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                        <subviews>
+                            <arView multipleTouchEnabled="YES" contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="Fvc-OS-ghP">
+                                <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
+                            </arView>
+                            <collectionView clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" showsHorizontalScrollIndicator="NO" showsVerticalScrollIndicator="NO" dataMode="prototypes" translatesAutoresizingMaskIntoConstraints="NO" id="cv1-1u-cTN">
+                                <rect key="frame" x="0.0" y="557" width="375" height="100"/>
+                                <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                <constraints>
+                                    <constraint firstAttribute="height" constant="100" id="NAd-LK-K0b"/>
+                                </constraints>
+                                <collectionViewFlowLayout key="collectionViewLayout" scrollDirection="horizontal" minimumLineSpacing="10" minimumInteritemSpacing="10" id="Yld-7u-DFs">
+                                    <size key="itemSize" width="140" height="132"/>
+                                    <size key="estimatedItemSize" width="100" height="100"/>
+                                    <size key="headerReferenceSize" width="0.0" height="0.0"/>
+                                    <size key="footerReferenceSize" width="0.0" height="0.0"/>
+                                    <inset key="sectionInset" minX="145" minY="0.0" maxX="145" maxY="0.0"/>
+                                </collectionViewFlowLayout>
+                                <cells>
+                                    <collectionViewCell opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" reuseIdentifier="ModelCollectionCell" id="FSW-fP-3Tb" customClass="ModelCollectionCell" customModule="ios12_Sampler" customModuleProvider="target">
+                                        <rect key="frame" x="145" y="0.0" width="100" height="100"/>
+                                        <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                                        <collectionViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" insetsLayoutMarginsFromSafeArea="NO" id="0ga-ks-tpJ">
+                                            <rect key="frame" x="0.0" y="0.0" width="100" height="100"/>
+                                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                                            <subviews>
+                                                <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleAspectFit" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="Neon" translatesAutoresizingMaskIntoConstraints="NO" id="0lM-78-6gf">
+                                                    <rect key="frame" x="0.0" y="0.0" width="100" height="100"/>
+                                                    <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                                    <constraints>
+                                                        <constraint firstAttribute="width" constant="100" id="3WB-OK-LMC"/>
+                                                        <constraint firstAttribute="height" constant="100" id="NYA-7C-bDH"/>
+                                                    </constraints>
+                                                </imageView>
+                                            </subviews>
+                                            <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                            <constraints>
+                                                <constraint firstItem="0lM-78-6gf" firstAttribute="top" secondItem="0ga-ks-tpJ" secondAttribute="top" id="YeO-x8-lyL"/>
+                                                <constraint firstAttribute="trailing" secondItem="0lM-78-6gf" secondAttribute="trailing" id="dQt-DG-nIc"/>
+                                                <constraint firstItem="0lM-78-6gf" firstAttribute="leading" secondItem="0ga-ks-tpJ" secondAttribute="leading" id="fI6-87-xYj"/>
+                                                <constraint firstAttribute="bottom" secondItem="0lM-78-6gf" secondAttribute="bottom" id="gHy-JH-r9I"/>
+                                            </constraints>
+                                        </collectionViewCellContentView>
+                                        <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                        <size key="customSize" width="100" height="100"/>
+                                        <connections>
+                                            <outlet property="modelImgVw" destination="0lM-78-6gf" id="Uyz-et-umq"/>
+                                        </connections>
+                                    </collectionViewCell>
+                                </cells>
+                            </collectionView>
+                            <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="bb9-UK-nlz">
+                                <rect key="frame" x="127.5" y="547" width="120" height="120"/>
+                                <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                <constraints>
+                                    <constraint firstAttribute="width" constant="120" id="Qhj-BM-Npy"/>
+                                    <constraint firstAttribute="height" constant="120" id="v2A-Sm-KeE"/>
+                                </constraints>
+                            </view>
+                        </subviews>
+                        <viewLayoutGuide key="safeArea" id="NPE-IW-ajN"/>
+                        <color key="backgroundColor" systemColor="systemBackgroundColor"/>
+                        <constraints>
+                            <constraint firstItem="Fvc-OS-ghP" firstAttribute="leading" secondItem="wgx-Z0-3FG" secondAttribute="leading" id="0PN-Ua-ntK"/>
+                            <constraint firstItem="NPE-IW-ajN" firstAttribute="trailing" secondItem="cv1-1u-cTN" secondAttribute="trailing" id="7E9-wV-Q9n"/>
+                            <constraint firstItem="cv1-1u-cTN" firstAttribute="leading" secondItem="NPE-IW-ajN" secondAttribute="leading" id="Qn9-HK-kPQ"/>
+                            <constraint firstAttribute="trailing" secondItem="Fvc-OS-ghP" secondAttribute="trailing" id="Rgb-4a-Sk1"/>
+                            <constraint firstItem="bb9-UK-nlz" firstAttribute="centerY" secondItem="cv1-1u-cTN" secondAttribute="centerY" id="Ufu-XT-vYb"/>
+                            <constraint firstItem="NPE-IW-ajN" firstAttribute="bottom" secondItem="cv1-1u-cTN" secondAttribute="bottom" constant="10" id="Y9d-oV-KLb"/>
+                            <constraint firstAttribute="bottom" secondItem="Fvc-OS-ghP" secondAttribute="bottom" id="lyy-cs-j8c"/>
+                            <constraint firstItem="Fvc-OS-ghP" firstAttribute="top" secondItem="wgx-Z0-3FG" secondAttribute="top" id="mgV-wk-U0Y"/>
+                            <constraint firstItem="bb9-UK-nlz" firstAttribute="centerX" secondItem="cv1-1u-cTN" secondAttribute="centerX" id="pQE-ZJ-u2p"/>
+                        </constraints>
+                    </view>
+                    <connections>
+                        <outlet property="arview" destination="Fvc-OS-ghP" id="7IH-xF-AtH"/>
+                        <outlet property="circleVw" destination="bb9-UK-nlz" id="5Wz-IR-b3q"/>
+                        <outlet property="modelCollectionView" destination="cv1-1u-cTN" id="NR7-0M-r53"/>
+                    </connections>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="w3K-ih-WUD" userLabel="First Responder" customClass="UIResponder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="-564" y="833"/>
+        </scene>
     </scenes>
     <designables>
         <designable name="Cib-U8-Rbo">
@@ -1645,6 +1732,7 @@ Detection</string>
         <image name="DNO" width="35" height="41"/>
         <image name="ET" width="42" height="41"/>
         <image name="ID" width="38" height="38"/>
+        <image name="Neon" width="175" height="175"/>
         <image name="S&amp;D" width="46" height="31"/>
         <image name="SCN" width="40" height="45"/>
         <image name="Send" width="21" height="18"/>
@@ -1661,7 +1749,7 @@ Detection</string>
             <color white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
         </systemColor>
         <systemColor name="systemCyanColor">
-            <color red="0.1960784314" green="0.67843137249999996" blue="0.90196078430000004" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+            <color red="0.19607843137254902" green="0.67843137254901964" blue="0.90196078431372551" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
         </systemColor>
     </resources>
 </document>
diff --git a/iOS12_Sampler/ios12 Sampler/Extensions/Float+Extension.swift b/iOS12_Sampler/ios12 Sampler/Extensions/Float+Extension.swift
index 7dcf7f3..f92a00d 100644
--- a/iOS12_Sampler/ios12 Sampler/Extensions/Float+Extension.swift	
+++ b/iOS12_Sampler/ios12 Sampler/Extensions/Float+Extension.swift	
@@ -13,4 +13,14 @@ extension Float {
     var isNegative: Bool {
         return self < 0
     }
+
+    var toDegree : Float {
+        get {
+            self * 180 / .pi
+        }
+    }
+
+    var toPoints: Self {
+        return (self * 2835)
+    }
 }
diff --git a/iOS12_Sampler/ios12 Sampler/Face Detection with AR/ARFaceDetection.swift b/iOS12_Sampler/ios12 Sampler/Face Detection with AR/ARFaceDetection.swift
new file mode 100644
index 0000000..9cae82a
--- /dev/null
+++ b/iOS12_Sampler/ios12 Sampler/Face Detection with AR/ARFaceDetection.swift	
@@ -0,0 +1,171 @@
+//
+//  ARFaceDetection.swift
+//  ios12 Sampler
+//
+//  Created by Dhruvil Vora on 01/05/24.
+//  Copyright © 2024 Testing. All rights reserved.
+//
+
+import RealityKit
+import Vision
+import ARKit
+// Comment
+
+class ARFaceDetection: UIViewController {
+
+    // MARK: IBOutlets
+    @IBOutlet var arview: ARView!
+    @IBOutlet weak var circleVw: UIView!
+    @IBOutlet weak var modelCollectionView: UICollectionView!
+
+    // MARK: Variables
+    var timer: Timer?
+    var modelWidth: Float = 0.0
+    var deviceWidth: Float = 0.0
+    var currentLoadedEntity: Entity!
+    var parentAnchorEntity: AnchorEntity?
+    var models: [String] = ["Neon", "Heart", "Star", "Swag", "Glasses", "Animoji", "Cyclops"]
+
+    // MARK: ViewDidLoad
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        setupARConfiguration()
+        setupCircleView()
+        setUpCollectionView()
+        loadModel(withModelIndex: 0)
+    }
+
+    private func setupARConfiguration() {
+        let configuaration = ARFaceTrackingConfiguration()
+        configuaration.isLightEstimationEnabled = true
+        arview.session.run(configuaration, options: [.resetTracking, .removeExistingAnchors])
+        arview.session.delegate = self
+    }
+
+    private func setupCircleView() {
+        deviceWidth = Float(UIScreen.main.bounds.size.width) + 100
+        circleVw.layer.cornerRadius = (circleVw.layer.frame.width / 2)
+        circleVw.layer.borderWidth = 10
+        circleVw.layer.borderColor = UIColor.green.cgColor
+    }
+
+    private func setUpCollectionView() {
+        let layout: UICollectionViewFlowLayout = UICollectionViewFlowLayout()
+        layout.sectionInset = UIEdgeInsets(top: 0, left: ((UIScreen.main.bounds.width) / 2) - 50,
+                                           bottom: 0, right: ((UIScreen.main.bounds.width) / 2) - 50)
+        layout.scrollDirection = .horizontal
+        modelCollectionView.collectionViewLayout = layout
+        modelCollectionView.delegate = self
+        modelCollectionView.dataSource = self
+        modelCollectionView.reloadData()
+    }
+
+    // Calculate the scaling of model using sertain params
+    private func newCalculateScalingModel(modelWidth: Float) -> Float {
+        // Convert Models width to points
+        let modelWidthInPts = modelWidth.toPoints
+        // Then need to divide device width with the converted width in points
+        // to get the ratio
+        let convertedRatio = deviceWidth/modelWidthInPts
+        return convertedRatio
+    }
+
+    private func loadModel(withModelIndex index: Int) {
+        // Need to remove existing model if any is placed in ARView
+        parentAnchorEntity?.removeChild(currentLoadedEntity)
+        // load the model
+        let entity = try! ModelEntity.load(named: models[index])
+        // Get the bounds of loaded model
+        let entityBounds = entity.visualBounds(relativeTo: nil)
+        // Get the width of model from bounding box of entity
+        modelWidth = entityBounds.extents.x
+        currentLoadedEntity = entity
+        // Calculate and scale the model
+        let scaledModelCalculation = newCalculateScalingModel(modelWidth: modelWidth)
+        entity.setScale([scaledModelCalculation, scaledModelCalculation, scaledModelCalculation], relativeTo: nil)
+
+        // create a AnchorEntity tracking face
+        if let anchorEntity = parentAnchorEntity {
+            parentAnchorEntity = anchorEntity
+        } else {
+            parentAnchorEntity = AnchorEntity(.face)
+        }
+        parentAnchorEntity?.addChild(entity)
+        arview.scene.anchors.append(parentAnchorEntity!)
+    }
+}
+
+// MARK: UIScrollViewDelegate
+extension ARFaceDetection {
+    func scrollViewDidEndDragging(_ scrollView: UIScrollView, willDecelerate decelerate: Bool) {
+        if !decelerate {
+            stopScrolling(scrollView: scrollView)
+        }
+    }
+
+    func scrollViewDidEndDecelerating(_ scrollView: UIScrollView) {
+        stopScrolling(scrollView: scrollView)
+    }
+
+    private func stopScrolling(scrollView: UIScrollView) {
+        let modularCount = (Float(scrollView.contentOffset.x) / 95)
+        guard Int(round(modularCount)) <= models.count else { return }
+        scrollAndLoadModel(with: Int(modularCount))
+    }
+
+    private func scrollAndLoadModel(with indexToScroll: Int) {
+        modelCollectionView.scrollToItem(at: IndexPath(item: indexToScroll, section: 0), at: .centeredHorizontally, animated: true)
+        loadModel(withModelIndex: indexToScroll)
+    }
+}
+
+// MARK: ARSessionDelegate
+extension ARFaceDetection: ARSessionDelegate {
+    func session(_ session: ARSession, didUpdate anchors: [ARAnchor]) {
+        for anchor in anchors {
+            // Track anchor of Face only & For Animoji only
+            guard let anchor = anchor as? ARFaceAnchor, currentLoadedEntity.findEntity(named: "Animoji") != nil else { continue }
+            // Get Eyebrows and Jaws displacement value
+            guard let browOuterUpLeftShape = anchor.blendShapes[.browOuterUpLeft]?.floatValue,
+                  let browOuterUpRightShape = anchor.blendShapes[.browOuterUpRight]?.floatValue,
+                  let jawShape = anchor.blendShapes[.jawOpen]?.floatValue else { continue }
+
+            // Then find that particular entity from Animoji model
+            guard let leftBrowEntity = currentLoadedEntity?.findEntity(named: "left_eyebrow"),
+                  let rightBrowEntity = currentLoadedEntity?.findEntity(named: "right_eyebrow"),
+                  let jawEntity = currentLoadedEntity?.findEntity(named: "jaw") else { continue }
+
+            // Change the position of that entity realtime to reflect user's expression
+            leftBrowEntity.position.y = 0.082 + (browOuterUpLeftShape / 10)
+            rightBrowEntity.position.y = 0.082 + (browOuterUpRightShape / 10)
+            jawEntity.position.y = -0.067 - (jawShape / 10)
+        }
+    }
+}
+
+// MARK: UICollectionViewDataSource
+extension ARFaceDetection: UICollectionViewDataSource {
+    func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
+        return models.count
+    }
+
+    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
+        guard let collectionViewCell: ModelCollectionCell = collectionView.dequeueReusableCell(withReuseIdentifier: "ModelCollectionCell", for: indexPath) as? ModelCollectionCell else { return UICollectionViewCell() }
+        collectionViewCell.configureCell(indexPath: indexPath.item)
+        return collectionViewCell
+    }
+}
+
+// MARK: UICollectionViewDelegate
+extension ARFaceDetection: UICollectionViewDelegate {
+    func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
+        scrollAndLoadModel(with: indexPath.item)
+    }
+}
+
+// MARK: UICollectionViewDelegateFlowLayout
+extension ARFaceDetection: UICollectionViewDelegateFlowLayout {
+    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {
+        CGSize(width: 100, height: 100)
+    }
+}
diff --git a/iOS12_Sampler/ios12 Sampler/Face Detection with AR/Cell/ModelCollectionCell.swift b/iOS12_Sampler/ios12 Sampler/Face Detection with AR/Cell/ModelCollectionCell.swift
new file mode 100644
index 0000000..94bee33
--- /dev/null
+++ b/iOS12_Sampler/ios12 Sampler/Face Detection with AR/Cell/ModelCollectionCell.swift	
@@ -0,0 +1,21 @@
+//
+//  ModelCollectionCell.swift
+//  ios12 Sampler
+//
+//  Created by Dhruvil Vora on 01/05/24.
+//  Copyright © 2024 Testing. All rights reserved.
+//
+
+import UIKit
+
+class ModelCollectionCell: UICollectionViewCell {
+
+    var modelImgs: [String] = ["Neon", "Heart", "Star", "Swag", "Glasses", "Robo", "Cyclops"]
+
+    @IBOutlet weak var modelImgVw: UIImageView!
+
+    func configureCell(indexPath: Int) {
+        modelImgVw.image = UIImage(named: modelImgs[indexPath])
+        modelImgVw.layer.cornerRadius = (modelImgVw.layer.frame.width / 2)
+    }
+}
diff --git a/iOS12_Sampler/ios12 Sampler/Tracking and altering images/Utilities/ImageTrackingUtility.swift b/iOS12_Sampler/ios12 Sampler/Tracking and altering images/Utilities/ImageTrackingUtility.swift
index d051083..07f0289 100644
--- a/iOS12_Sampler/ios12 Sampler/Tracking and altering images/Utilities/ImageTrackingUtility.swift	
+++ b/iOS12_Sampler/ios12 Sampler/Tracking and altering images/Utilities/ImageTrackingUtility.swift	
@@ -91,7 +91,7 @@ func createPlaneNode(size: CGSize, rotation: Float, content: Any?) -> SCNNode {
 }
 
 func getFilterData() -> [FilterModel] {
-    return [FilterModel(filterDummyImage: UIImage(named: "random")!, filterName: "Random", isSelected: true, selectedFilterStyle: .randomStyle),
+    return [FilterModel(filterDummyImage: UIImage(named: "Random")!, filterName: "Random", isSelected: true, selectedFilterStyle: .randomStyle),
             FilterModel(filterDummyImage: UIImage(named: "style1")!, filterName: "Style1", isSelected: false),
             FilterModel(filterDummyImage: UIImage(named: "style2")!, filterName: "Style2", isSelected: false),
             FilterModel(filterDummyImage: UIImage(named: "style3")!, filterName: "Style3", isSelected: false),
diff --git a/iOS12_Sampler/ios12 Sampler/USDZ/Face Models/Animoji.usdz b/iOS12_Sampler/ios12 Sampler/USDZ/Face Models/Animoji.usdz
new file mode 100644
index 0000000..470c45d
Binary files /dev/null and b/iOS12_Sampler/ios12 Sampler/USDZ/Face Models/Animoji.usdz differ
diff --git a/iOS12_Sampler/ios12 Sampler/USDZ/Face Models/Cyclops.usdz b/iOS12_Sampler/ios12 Sampler/USDZ/Face Models/Cyclops.usdz
new file mode 100644
index 0000000..32caf7f
Binary files /dev/null and b/iOS12_Sampler/ios12 Sampler/USDZ/Face Models/Cyclops.usdz differ
diff --git a/iOS12_Sampler/ios12 Sampler/USDZ/Face Models/Glasses.usdz b/iOS12_Sampler/ios12 Sampler/USDZ/Face Models/Glasses.usdz
new file mode 100644
index 0000000..64ca484
Binary files /dev/null and b/iOS12_Sampler/ios12 Sampler/USDZ/Face Models/Glasses.usdz differ
diff --git a/iOS12_Sampler/ios12 Sampler/USDZ/Face Models/Heart.usdz b/iOS12_Sampler/ios12 Sampler/USDZ/Face Models/Heart.usdz
new file mode 100644
index 0000000..909ceeb
Binary files /dev/null and b/iOS12_Sampler/ios12 Sampler/USDZ/Face Models/Heart.usdz differ
diff --git a/iOS12_Sampler/ios12 Sampler/USDZ/Face Models/Metal_Round_Glasses.usdz b/iOS12_Sampler/ios12 Sampler/USDZ/Face Models/Metal_Round_Glasses.usdz
new file mode 100644
index 0000000..f7d5cc9
Binary files /dev/null and b/iOS12_Sampler/ios12 Sampler/USDZ/Face Models/Metal_Round_Glasses.usdz differ
diff --git a/iOS12_Sampler/ios12 Sampler/USDZ/Face Models/Neon.usdz b/iOS12_Sampler/ios12 Sampler/USDZ/Face Models/Neon.usdz
new file mode 100644
index 0000000..6463af4
Binary files /dev/null and b/iOS12_Sampler/ios12 Sampler/USDZ/Face Models/Neon.usdz differ
diff --git a/iOS12_Sampler/ios12 Sampler/USDZ/Face Models/Star.usdz b/iOS12_Sampler/ios12 Sampler/USDZ/Face Models/Star.usdz
new file mode 100644
index 0000000..b2049de
Binary files /dev/null and b/iOS12_Sampler/ios12 Sampler/USDZ/Face Models/Star.usdz differ
diff --git a/iOS12_Sampler/ios12 Sampler/USDZ/Face Models/Swag.usdz b/iOS12_Sampler/ios12 Sampler/USDZ/Face Models/Swag.usdz
new file mode 100644
index 0000000..a859572
Binary files /dev/null and b/iOS12_Sampler/ios12 Sampler/USDZ/Face Models/Swag.usdz differ
diff --git a/iOS12_Sampler/ios12 Sampler/USDZ/Glasses/80s_Sunglasses_that_look_litt_it_you_ask_me.usdz b/iOS12_Sampler/ios12 Sampler/USDZ/Glasses/80s_Sunglasses_that_look_litt_it_you_ask_me.usdz
new file mode 100644
index 0000000..986917a
Binary files /dev/null and b/iOS12_Sampler/ios12 Sampler/USDZ/Glasses/80s_Sunglasses_that_look_litt_it_you_ask_me.usdz differ
diff --git a/iOS12_Sampler/ios12 Sampler/USDZ/Glasses/Cheese_Sunglasses.usdz b/iOS12_Sampler/ios12 Sampler/USDZ/Glasses/Cheese_Sunglasses.usdz
new file mode 100644
index 0000000..b69099c
Binary files /dev/null and b/iOS12_Sampler/ios12 Sampler/USDZ/Glasses/Cheese_Sunglasses.usdz differ
diff --git a/iOS12_Sampler/ios12 Sampler/USDZ/Glasses/Cyclops_sunglasses.usdz b/iOS12_Sampler/ios12 Sampler/USDZ/Glasses/Cyclops_sunglasses.usdz
new file mode 100644
index 0000000..facfbe9
Binary files /dev/null and b/iOS12_Sampler/ios12 Sampler/USDZ/Glasses/Cyclops_sunglasses.usdz differ
diff --git a/iOS12_Sampler/ios12 Sampler/USDZ/Glasses/Deal_With_It_Sunglasses.usdz b/iOS12_Sampler/ios12 Sampler/USDZ/Glasses/Deal_With_It_Sunglasses.usdz
new file mode 100644
index 0000000..5f3ad52
Binary files /dev/null and b/iOS12_Sampler/ios12 Sampler/USDZ/Glasses/Deal_With_It_Sunglasses.usdz differ
diff --git a/iOS12_Sampler/ios12 Sampler/USDZ/Glasses/Montgomery_Gators_Star_Sunglasses.usdz b/iOS12_Sampler/ios12 Sampler/USDZ/Glasses/Montgomery_Gators_Star_Sunglasses.usdz
new file mode 100644
index 0000000..1f357f0
Binary files /dev/null and b/iOS12_Sampler/ios12 Sampler/USDZ/Glasses/Montgomery_Gators_Star_Sunglasses.usdz differ
diff --git a/iOS12_Sampler/ios12 Sampler/USDZ/Glasses/Neon_Party_Glasses.usdz b/iOS12_Sampler/ios12 Sampler/USDZ/Glasses/Neon_Party_Glasses.usdz
new file mode 100644
index 0000000..6797f36
Binary files /dev/null and b/iOS12_Sampler/ios12 Sampler/USDZ/Glasses/Neon_Party_Glasses.usdz differ
diff --git a/iOS12_Sampler/ios12 Sampler/USDZ/Glasses/Occhiale_Goccia__Sunglasses.usdz b/iOS12_Sampler/ios12 Sampler/USDZ/Glasses/Occhiale_Goccia__Sunglasses.usdz
new file mode 100644
index 0000000..6fb165f
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diff --git a/iOS12_Sampler/ios12 Sampler/USDZ/Glasses/Party_Glasses_Heart_type.usdz b/iOS12_Sampler/ios12 Sampler/USDZ/Glasses/Party_Glasses_Heart_type.usdz
new file mode 100644
index 0000000..dd50a13
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diff --git a/iOS12_Sampler/ios12 Sampler/USDZ/Glasses/Sunglasses.usdz b/iOS12_Sampler/ios12 Sampler/USDZ/Glasses/Sunglasses.usdz
new file mode 100644
index 0000000..8073135
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