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IT17160926/Assets/GoogleARCore/Examples/AugmentedFaces/Scripts/ARCoreAugmentedFaceMeshFilter.cs

+//-----------------------------------------------------------------------
+// <copyright file="ARCoreAugmentedFaceMeshFilter.cs" company="Google">
+//
+// Copyright 2018 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace GoogleARCore.Examples.AugmentedFaces
+{
+    using System.Collections.Generic;
+    using GoogleARCore;
+    using UnityEngine;
+
+    
+    //Helper component to update face mesh data.
+ 
+    [RequireComponent(typeof(MeshFilter))]
+    public class ARCoreAugmentedFaceMeshFilter : MonoBehaviour
+    {
+       
+        //If true, this component will update itself using the first AugmentedFace detected by ARCore.
+     
+        public bool AutoBind = false;
+
+        private AugmentedFace s_AugmentedFace = null;
+        private List<AugmentedFace> s_AugmentedFaceList = null;
+
+        //Keep preceding frame's mesh polygon to avoid mesh update every frame.
+        private List<Vector3> s_MeshVertices = new List<Vector3>();
+        private List<Vector3> s_MeshNormals = new List<Vector3>();
+        private List<Vector2> s_MeshUVs = new List<Vector2>();
+        private List<int> s_MeshIndices = new List<int>();
+        private Mesh s_Mesh = null;
+        private bool s_MeshInitialized = false;
+
+       
+        //Gets or sets the ARCore AugmentedFace object that will be used to update the face mesh data.
+        public AugmentedFace AumgnetedFace
+        {
+            get
+            {
+                return s_AugmentedFace;
+            }
+
+            set
+            {
+                s_AugmentedFace = value;
+                Update();
+            }
+        }
+
+      
+        //The Unity Awake() method.
+        public void Awake()
+        {
+            s_Mesh = new Mesh();
+            GetComponent<MeshFilter>().mesh = s_Mesh;
+            s_AugmentedFaceList = new List<AugmentedFace>();
+        }
+
+       
+        //The Unity Update() method.
+        
+        public void Update()
+        {
+            if (AutoBind && s_AugmentedFace == null)
+            {
+                s_AugmentedFaceList.Clear();
+                Session.GetTrackables<AugmentedFace>(s_AugmentedFaceList, TrackableQueryFilter.All);
+                if (s_AugmentedFaceList.Count != 0)
+                {
+                    s_AugmentedFace = s_AugmentedFaceList[0];
+                }
+            }
+
+            if (s_AugmentedFace == null)
+            {
+                return;
+            }
+
+            //Update game object position;
+            transform.position = s_AugmentedFace.CenterPose.position;
+            transform.rotation = s_AugmentedFace.CenterPose.rotation;
+
+            _UpdateMesh();
+        }
+
+        
+        //Update mesh with a face mesh vertices, texture coordinates and indices.
+        
+        private void _UpdateMesh()
+        {
+            s_AugmentedFace.GetVertices(s_MeshVertices);
+            s_AugmentedFace.GetNormals(s_MeshNormals);
+
+            if (!s_MeshInitialized)
+            {
+                s_AugmentedFace.GetTextureCoordinates(s_MeshUVs);
+                s_AugmentedFace.GetTriangleIndices(s_MeshIndices);
+
+                //Only update mesh indices and uvs once as they don't change every frame.
+                s_MeshInitialized = true;
+            }
+
+            s_Mesh.Clear();
+            s_Mesh.SetVertices(s_MeshVertices);
+            s_Mesh.SetNormals(s_MeshNormals);
+            s_Mesh.SetTriangles(s_MeshIndices, 0);
+            s_Mesh.SetUVs(0, s_MeshUVs);
+
+            s_Mesh.RecalculateBounds();
+        }
+    }
+}

IT17160926/Assets/GoogleARCore/Examples/AugmentedFaces/Scripts/ARCoreAugmentedFaceMeshFilter.cs.meta

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IT17160926/Assets/GoogleARCore/Examples/AugmentedFaces/Scripts/ARCoreAugmentedFaceRig.cs

+//-----------------------------------------------------------------------
+// <copyright file="ARCoreAugmentedFaceRig.cs" company="Google">
+//
+// Copyright 2018 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace GoogleARCore.Examples.AugmentedFaces
+{
+    using System.Collections.Generic;
+    using GoogleARCore;
+    using UnityEngine;
+
+    
+    //Helper component to update face regions.
+
+    [ExecuteInEditMode]
+    public class ARCoreAugmentedFaceRig : MonoBehaviour
+    {
+     
+        //If true, this component will update itself using the first AugmentedFace detected by ARCore.
+       
+        public bool AutoBind = false;
+
+        private static readonly Dictionary<AugmentedFaceRegion, string> k_RegionTransformNames =
+            new Dictionary<AugmentedFaceRegion, string>()
+            {
+                { AugmentedFaceRegion.NoseTip, "NOSE_TIP" },
+                { AugmentedFaceRegion.ForeheadLeft, "FOREHEAD_LEFT" },
+                { AugmentedFaceRegion.ForeheadRight, "FOREHEAD_RIGHT" }
+            };
+
+        private AugmentedFace s_AugmentedFace;
+        private List<AugmentedFace> s_AugmentedFaceList = new List<AugmentedFace>();
+        private Dictionary<AugmentedFaceRegion, Transform> s_RegionGameObjects =
+            new Dictionary<AugmentedFaceRegion, Transform>();
+
+       
+        //Gets or sets the ARCore AugmentedFace object that will be used to update the face region.
+      
+        public AugmentedFace AumgnetedFace
+        {
+            get
+            {
+                return s_AugmentedFace;
+            }
+
+            set
+            {
+                s_AugmentedFace = value;
+                Update();
+            }
+        }
+
+        
+        //The Unity Awake() method.
+       
+        public void Awake()
+        {
+            s_AugmentedFaceList = new List<AugmentedFace>();
+            _InitializeFaceRegions();
+        }
+
+       
+        //The Unity Update() method.
+      
+        public void Update()
+        {
+            if (!Application.isPlaying)
+            {
+                return;
+            }
+
+            if (AutoBind && s_AugmentedFace == null)
+            {
+                s_AugmentedFaceList.Clear();
+                Session.GetTrackables<AugmentedFace>(s_AugmentedFaceList, TrackableQueryFilter.All);
+                if (s_AugmentedFaceList.Count != 0)
+                {
+                    s_AugmentedFace = s_AugmentedFaceList[0];
+                }
+            }
+
+            if (s_AugmentedFace == null)
+            {
+                return;
+            }
+
+            _UpdateRegions();
+        }
+
+       
+        //Method to initialize face region game object if not present.
+       
+        private void _InitializeFaceRegions()
+        {
+            foreach (AugmentedFaceRegion region in k_RegionTransformNames.Keys)
+            {
+                string name = k_RegionTransformNames[region];
+                Transform regionTransform = _FindChildTransformRecursive(transform, name);
+                if (regionTransform == null)
+                {
+                    GameObject newRegionObject = new GameObject(name);
+                    newRegionObject.transform.SetParent(transform);
+                    regionTransform = newRegionObject.transform;
+                }
+
+                s_RegionGameObjects[region] = regionTransform;
+            }
+        }
+
+        private Transform _FindChildTransformRecursive(Transform target, string name)
+        {
+            if (target.name == name)
+            {
+                return target;
+            }
+
+            foreach (Transform child in target)
+            {
+                if (child.name.Contains(name))
+                {
+                    return child;
+                }
+
+                Transform result = _FindChildTransformRecursive(child, name);
+                if (result != null)
+                {
+                    return result;
+                }
+            }
+
+            return null;
+        }
+
+        
+        //Update all face regions associated with the mesh.
+       
+        private void _UpdateRegions()
+        {
+            bool isTracking = s_AugmentedFace.TrackingState == TrackingState.Tracking;
+
+            if (isTracking)
+            {
+                //Update the root transform;
+                transform.position = s_AugmentedFace.CenterPose.position;
+                transform.rotation = s_AugmentedFace.CenterPose.rotation;
+            }
+
+            foreach (AugmentedFaceRegion region in s_RegionGameObjects.Keys)
+            {
+                Transform regionTransform = s_RegionGameObjects[region];
+                regionTransform.gameObject.SetActive(isTracking);
+                if (isTracking)
+                {
+                    Pose regionPose = s_AugmentedFace.GetRegionPose(region);
+                    regionTransform.position = regionPose.position;
+                    regionTransform.rotation = regionPose.rotation;
+                }
+            }
+        }
+    }
+}

IT17160926/Assets/GoogleARCore/Examples/AugmentedFaces/Scripts/ARCoreAugmentedFaceRig.cs.meta

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IT17160926/Assets/GoogleARCore/Examples/AugmentedFaces/Scripts/AugmentedFacesExampleController.cs

+//-----------------------------------------------------------------------
+// <copyright file="AugmentedFacesExampleController.cs" company="Google">
+//
+// Copyright 2019 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace GoogleARCore.Examples.AugmentedFaces
+{
+    using System.Collections.Generic;
+    using GoogleARCore;
+    using UnityEngine;
+    using UnityEngine.UI;
+
+    
+    //Controller for the AugmentedFaces scene.
+ 
+    public class AugmentedFacesExampleController : MonoBehaviour
+    {
+       
+        //The game object that renders the face attachment on an Augmented Face.
+        
+        public GameObject FaceAttachment;
+
+       
+        /* True if the app is in the process of quitting due to an ARCore connection error,
+        otherwise false.*/
+        
+        private bool s_IsQuitting = false;
+
+        private List<AugmentedFace> s_TempAugmentedFaces = new List<AugmentedFace>();
+
+        
+        // nity Awake() method.
+       
+        public void Awake()
+        {
+            // Enable ARCore to target 60fps camera capture frame rate on supported devices.
+            // Note, Application.targetFrameRate is ignored when QualitySettings.vSyncCount != 0.
+            Application.targetFrameRate = 60;
+        }
+
+       
+        //Unity Update method.
+      
+        public void Update()
+        {
+            _UpdateApplicationLifecycle();
+
+            // ets all Augmented Faces.
+            Session.GetTrackables<AugmentedFace>(s_TempAugmentedFaces, TrackableQueryFilter.All);
+
+            //Only allows the screen to sleep when ARCore can't detect a face.
+            if (s_TempAugmentedFaces.Count == 0)
+            {
+                Screen.sleepTimeout = SleepTimeout.SystemSetting;
+                FaceAttachment.SetActive(false);
+            }
+            else
+            {
+                Screen.sleepTimeout = SleepTimeout.NeverSleep;
+                FaceAttachment.SetActive(true);
+            }
+        }
+
+       
+        //Check and update the application lifecycle.
+        
+        private void _UpdateApplicationLifecycle()
+        {
+            //Exit the app when the 'back' button is pressed.
+            if (Input.GetKey(KeyCode.Escape))
+            {
+                Application.Quit();
+            }
+
+            if (s_IsQuitting)
+            {
+                return;
+            }
+
+            /*Quit if ARCore was unable to connect and give Unity some time for the toast to
+             appear.*/
+            if (Session.Status == SessionStatus.ErrorPermissionNotGranted)
+            {
+                _ShowAndroidToastMessage("Camera permission is needed to run this application.");
+                s_IsQuitting = true;
+                Invoke("_DoQuit", 0.5f);
+            }
+            else if (Session.Status.IsError())
+            {
+                _ShowAndroidToastMessage(
+                    "ARCore encountered a problem connecting.  Please start the app again.");
+                s_IsQuitting = true;
+                Invoke("_DoQuit", 0.5f);
+            }
+        }
+
+      
+        //Actually quit the application.
+       
+        private void _DoQuit()
+        {
+            Application.Quit();
+        }
+
+        
+        //Display Android toast message.
+       
+        /// <param name="message">Message string to show in the toast.</param>
+        private void _ShowAndroidToastMessage(string message)
+        {
+            AndroidJavaClass unityPlayer =
+                new AndroidJavaClass("com.unity3d.player.UnityPlayer");
+            AndroidJavaObject unityActivity =
+                unityPlayer.GetStatic<AndroidJavaObject>("currentActivity");
+
+            if (unityActivity != null)
+            {
+                AndroidJavaClass toastClass = new AndroidJavaClass("android.widget.Toast");
+                unityActivity.Call("runOnUiThread", new AndroidJavaRunnable(() =>
+                {
+                    AndroidJavaObject toastObject = toastClass.CallStatic<AndroidJavaObject>(
+                        "makeText", unityActivity, message, 0);
+                    toastObject.Call("show");
+                }));
+            }
+        }
+    }
+}

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IT17160926/Assets/GoogleARCore/Examples/AugmentedImage/Scripts/AugmentedImageExampleController.cs

+//-----------------------------------------------------------------------
+// <copyright file="AugmentedImageExampleController.cs" company="Google">
+//
+// Copyright 2018 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace GoogleARCore.Examples.AugmentedImage
+{
+    using System.Collections.Generic;
+    using System.Runtime.InteropServices;
+    using GoogleARCore;
+    using UnityEngine;
+    using UnityEngine.UI;
+
+    /// <summary>
+    /// Controller for AugmentedImage example.
+    /// </summary>
+    /// <remarks>
+    /// In this sample, we assume all images are static or moving slowly with
+    /// a large occupation of the screen. If the target is actively moving,
+    /// we recommend to check <see cref="AugmentedImage.TrackingMethod"/> and
+    /// render only when the tracking method equals to
+    /// <see cref="AugmentedImageTrackingMethod"/>.<c>FullTracking</c>.
+    /// See details in <a href="https://developers.google.com/ar/develop/c/augmented-images/">
+    /// Recognize and Augment Images</a>
+    /// </remarks>
+    public class AugmentedImageExampleController : MonoBehaviour
+    {
+        /// <summary>
+        /// A prefab for visualizing an AugmentedImage.
+        /// </summary>
+        public AugmentedImageVisualizer AugmentedImageVisualizerPrefab;
+
+        /// <summary>
+        /// The overlay containing the fit to scan user guide.
+        /// </summary>
+        public GameObject FitToScanOverlay;
+
+        private Dictionary<int, AugmentedImageVisualizer> m_Visualizers
+            = new Dictionary<int, AugmentedImageVisualizer>();
+
+        private List<AugmentedImage> m_TempAugmentedImages = new List<AugmentedImage>();
+
+        /// <summary>
+        /// The Unity Awake() method.
+        /// </summary>
+        public void Awake()
+        {
+            // Enable ARCore to target 60fps camera capture frame rate on supported devices.
+            // Note, Application.targetFrameRate is ignored when QualitySettings.vSyncCount != 0.
+            Application.targetFrameRate = 60;
+        }
+
+        /// <summary>
+        /// The Unity Update method.
+        /// </summary>
+        public void Update()
+        {
+            // Exit the app when the 'back' button is pressed.
+            if (Input.GetKey(KeyCode.Escape))
+            {
+                Application.Quit();
+            }
+
+            // Only allow the screen to sleep when not tracking.
+            if (Session.Status != SessionStatus.Tracking)
+            {
+                Screen.sleepTimeout = SleepTimeout.SystemSetting;
+            }
+            else
+            {
+                Screen.sleepTimeout = SleepTimeout.NeverSleep;
+            }
+
+            // Get updated augmented images for this frame.
+            Session.GetTrackables<AugmentedImage>(
+                m_TempAugmentedImages, TrackableQueryFilter.Updated);
+
+            // Create visualizers and anchors for updated augmented images that are tracking and do
+            // not previously have a visualizer. Remove visualizers for stopped images.
+            foreach (var image in m_TempAugmentedImages)
+            {
+                AugmentedImageVisualizer visualizer = null;
+                m_Visualizers.TryGetValue(image.DatabaseIndex, out visualizer);
+                if (image.TrackingState == TrackingState.Tracking && visualizer == null)
+                {
+                    // Create an anchor to ensure that ARCore keeps tracking this augmented image.
+                    Anchor anchor = image.CreateAnchor(image.CenterPose);
+                    visualizer = (AugmentedImageVisualizer)Instantiate(
+                        AugmentedImageVisualizerPrefab, anchor.transform);
+                    visualizer.Image = image;
+                    m_Visualizers.Add(image.DatabaseIndex, visualizer);
+                }
+                else if (image.TrackingState == TrackingState.Stopped && visualizer != null)
+                {
+                    m_Visualizers.Remove(image.DatabaseIndex);
+                    GameObject.Destroy(visualizer.gameObject);
+                }
+            }
+
+            // Show the fit-to-scan overlay if there are no images that are Tracking.
+            foreach (var visualizer in m_Visualizers.Values)
+            {
+                if (visualizer.Image.TrackingState == TrackingState.Tracking)
+                {
+                    FitToScanOverlay.SetActive(false);
+                    return;
+                }
+            }
+
+            FitToScanOverlay.SetActive(true);
+        }
+    }
+}

IT17160926/Assets/GoogleARCore/Examples/AugmentedImage/Scripts/AugmentedImageExampleController.cs.meta

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IT17160926/Assets/GoogleARCore/Examples/AugmentedImage/Scripts/AugmentedImageVisualizer.cs

+//-----------------------------------------------------------------------
+// <copyright file="AugmentedImageVisualizer.cs" company="Google">
+//
+// Copyright 2018 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace GoogleARCore.Examples.AugmentedImage
+{
+    using System;
+    using System.Collections.Generic;
+    using System.Runtime.InteropServices;
+    using GoogleARCore;
+    using GoogleARCoreInternal;
+    using UnityEngine;
+
+    /// <summary>
+    /// Uses 4 frame corner objects to visualize an AugmentedImage.
+    /// </summary>
+    public class AugmentedImageVisualizer : MonoBehaviour
+    {
+        /// <summary>
+        /// The AugmentedImage to visualize.
+        /// </summary>
+        public AugmentedImage Image;
+
+        /// <summary>
+        /// A model for the lower left corner of the frame to place when an image is detected.
+        /// </summary>
+        public GameObject FrameLowerLeft;
+
+        /// <summary>
+        /// A model for the lower right corner of the frame to place when an image is detected.
+        /// </summary>
+        public GameObject FrameLowerRight;
+
+        /// <summary>
+        /// A model for the upper left corner of the frame to place when an image is detected.
+        /// </summary>
+        public GameObject FrameUpperLeft;
+
+        /// <summary>
+        /// A model for the upper right corner of the frame to place when an image is detected.
+        /// </summary>
+        public GameObject FrameUpperRight;
+
+        /// <summary>
+        /// The Unity Update method.
+        /// </summary>
+        public void Update()
+        {
+            if (Image == null || Image.TrackingState != TrackingState.Tracking)
+            {
+                FrameLowerLeft.SetActive(false);
+                FrameLowerRight.SetActive(false);
+                FrameUpperLeft.SetActive(false);
+                FrameUpperRight.SetActive(false);
+                return;
+            }
+
+            float halfWidth = Image.ExtentX / 2;
+            float halfHeight = Image.ExtentZ / 2;
+            FrameLowerLeft.transform.localPosition =
+                (halfWidth * Vector3.left) + (halfHeight * Vector3.back);
+            FrameLowerRight.transform.localPosition =
+                (halfWidth * Vector3.right) + (halfHeight * Vector3.back);
+            FrameUpperLeft.transform.localPosition =
+                (halfWidth * Vector3.left) + (halfHeight * Vector3.forward);
+            FrameUpperRight.transform.localPosition =
+                (halfWidth * Vector3.right) + (halfHeight * Vector3.forward);
+
+            FrameLowerLeft.SetActive(true);
+            FrameLowerRight.SetActive(true);
+            FrameUpperLeft.SetActive(true);
+            FrameUpperRight.SetActive(true);
+        }
+    }
+}

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