version 2.4.0

com.htc.upm.vive.openxr/Editor/CompositionLayer/Scripts/CompositionLayerEditor.cs

@@ -67,6 +67,18 @@ namespace VIVE.OpenXR.CompositionLayer.Editor
 		static GUIContent Label_AngleOfArc = new GUIContent("Arc Angle", "Central angle of arc of Cylinder Layer");
 		SerializedProperty Property_AngleOfArc;
 
+		static string PropertyName_isExternalSurface = "isExternalSurface";
+		static GUIContent Label_isExternalSurface = new GUIContent("External Surface", "Specify using external surface or not.");
+		SerializedProperty Property_isExternalSurface;
+
+		static string PropertyName_ExternalSurfaceWidth = "externalSurfaceWidth";
+		static GUIContent Label_ExternalSurfaceWidth = new GUIContent("Width");
+		SerializedProperty Property_ExternalSurfaceWidth;
+
+		static string PropertyName_ExternalSurfaceHeight = "externalSurfaceHeight";
+		static GUIContent Label_ExternalSurfaceHeight = new GUIContent("Height");
+		SerializedProperty Property_ExternalSurfaceHeight;
+
 		static string PropertyName_IsDynamicLayer = "isDynamicLayer";
 		static GUIContent Label_IsDynamicLayer = new GUIContent("Dynamic Layer", "Specify whether Layer needs to be updated each frame or not.");
 		SerializedProperty Property_IsDynamicLayer;
@@ -101,9 +113,10 @@ namespace VIVE.OpenXR.CompositionLayer.Editor
 		SerializedProperty Property_TrackingOrigin;
 
 		private bool showLayerParams = true, showColorScaleBiasParams = true;
-#pragma warning disable
+
 		private bool showExternalSurfaceParams = false;
-#pragma warning restore
+
+
 		public override void OnInspectorGUI()
 		{
 			if (Property_LayerType == null) Property_LayerType = serializedObject.FindProperty(PropertyName_LayerType);
@@ -117,6 +130,9 @@ namespace VIVE.OpenXR.CompositionLayer.Editor
 			if (Property_CylinderArcLength == null) Property_CylinderArcLength = serializedObject.FindProperty(PropertyName_CylinderArcLength);
 			if (Property_CylinderRadius == null) Property_CylinderRadius = serializedObject.FindProperty(PropertyName_CylinderRadius);
 			if (Property_AngleOfArc == null) Property_AngleOfArc = serializedObject.FindProperty(PropertyName_AngleOfArc);
+			if (Property_isExternalSurface == null) Property_isExternalSurface = serializedObject.FindProperty(PropertyName_isExternalSurface);
+			if (Property_ExternalSurfaceWidth == null) Property_ExternalSurfaceWidth = serializedObject.FindProperty(PropertyName_ExternalSurfaceWidth);
+			if (Property_ExternalSurfaceHeight == null) Property_ExternalSurfaceHeight = serializedObject.FindProperty(PropertyName_ExternalSurfaceHeight);
 			if (Property_IsDynamicLayer == null) Property_IsDynamicLayer = serializedObject.FindProperty(PropertyName_IsDynamicLayer);
 			if (Property_ApplyColorScaleBias == null) Property_ApplyColorScaleBias = serializedObject.FindProperty(PropertyName_ApplyColorScaleBias);
 			if (Property_SolidEffect == null) Property_SolidEffect = serializedObject.FindProperty(PropertyName_SolidEffect);
@@ -436,6 +452,25 @@ namespace VIVE.OpenXR.CompositionLayer.Editor
 			EditorGUILayout.PropertyField(Property_IsDynamicLayer, Label_IsDynamicLayer);
 			serializedObject.ApplyModifiedProperties();
 
+			//EditorGUILayout.PropertyField(Property_isExternalSurface, Label_isExternalSurface);
+			//serializedObject.ApplyModifiedProperties();
+
+			//if (targetCompositionLayer.isExternalSurface)
+			if (false)
+			{
+				EditorGUI.indentLevel++;
+				showExternalSurfaceParams = EditorGUILayout.Foldout(showExternalSurfaceParams, "External Surface Parameters");
+				if (showExternalSurfaceParams)
+				{
+					EditorGUILayout.PropertyField(Property_ExternalSurfaceWidth, Label_ExternalSurfaceWidth);
+					EditorGUILayout.PropertyField(Property_ExternalSurfaceHeight, Label_ExternalSurfaceHeight);
+					EditorGUILayout.PropertyField(Property_IsProtectedSurface, Label_IsProtectedSurface);
+
+					serializedObject.ApplyModifiedProperties();
+				}
+				EditorGUI.indentLevel--;
+			}
+
 			EditorGUILayout.PropertyField(Property_ApplyColorScaleBias, Label_ApplyColorScaleBias);
 			serializedObject.ApplyModifiedProperties();
 

com.htc.upm.vive.openxr/Runtime/CompositionLayer/Scripts/CompositionLayer.cs

@@ -96,6 +96,17 @@ namespace VIVE.OpenXR.CompositionLayer
 		[SerializeField]
 		public bool isDynamicLayer = false;
 
+		[SerializeField]
+		public bool isExternalSurface = false;
+
+		[Tooltip("Width of external surface in pixels.")]
+		[SerializeField]
+		public uint externalSurfaceWidth = 1280;
+
+		[Tooltip("Height of external surface in pixels.")]
+		[SerializeField]
+		public uint externalSurfaceHeight = 720;
+
 		[SerializeField]
 		public bool applyColorScaleBias = false;
 
@@ -187,6 +198,58 @@ namespace VIVE.OpenXR.CompositionLayer
 				return true;
 			}
 
+			if (isExternalSurface)
+			{
+				CompositionLayerRenderThreadSyncObject SetupExternalAndroidSurfaceSyncObjects = new CompositionLayerRenderThreadSyncObject(
+					(taskQueue) =>
+					{
+						lock (taskQueue)
+						{
+							CompositionLayerRenderThreadTask task = (CompositionLayerRenderThreadTask)taskQueue.Dequeue();
+
+							//Enumerate Swapchain formats
+							compositionLayerFeature = OpenXRSettings.Instance.GetFeature<ViveCompositionLayer>();
+
+							uint imageCount;
+
+							GraphicsAPI graphicsAPI = GraphicsAPI.GLES3;
+
+							switch (SystemInfo.graphicsDeviceType)
+							{
+								case UnityEngine.Rendering.GraphicsDeviceType.OpenGLES3:
+									graphicsAPI = GraphicsAPI.GLES3;
+									break;
+								case UnityEngine.Rendering.GraphicsDeviceType.Vulkan:
+									graphicsAPI = GraphicsAPI.Vulkan;
+									break;
+								default:
+									ERROR("Unsupported Graphics API, aborting init process.");
+									return;
+							}
+
+							layerID = compositionLayerFeature.CompositionLayer_Init(externalSurfaceWidth, externalSurfaceHeight, graphicsAPI, isDynamicLayer, isProtectedSurface, out imageCount, true);
+
+							if (layerID != 0)
+							{
+								DEBUG("Init completed, ID: " + layerID);
+								layerTextures = new LayerTextures(imageCount);
+								InitStatus = true;
+							}
+
+							taskQueue.Release(task);
+						}
+					});
+
+				CompositionLayerRenderThreadTask.IssueObtainSwapchainEvent(SetupExternalAndroidSurfaceSyncObjects);
+
+				texture = new Texture2D((int)externalSurfaceWidth, (int)externalSurfaceHeight, TextureFormat.RGBA32, false, isLinear);
+
+
+				DEBUG("CompositionLayerInit Ext Surf");
+
+				return true;
+			}
+
 			if (texture == null)
 			{
 				ERROR("CompositionLayerInit: Source Texture not found, abort init.");
@@ -262,6 +325,22 @@ namespace VIVE.OpenXR.CompositionLayer
 		{
 			if (!isInitializationComplete || !isSynchronized) return false;
 
+			if (isExternalSurface)
+			{
+				//Set Texture Layout
+				offset.x = 0;
+				offset.y = (int)externalSurfaceHeight;
+				extent.width = (int)externalSurfaceWidth;
+				extent.height = (int)-externalSurfaceHeight;
+				rect.offset = offset;
+				rect.extent = extent;
+
+				layerTextures.textureLayout = rect;
+
+				return true; //No need to process texture queues
+			}
+			
+
 			if (texture != null) //check for texture size change
 			{
 				if (TextureParamsChanged())
@@ -805,6 +884,14 @@ namespace VIVE.OpenXR.CompositionLayer
 			}
 		}
 
+		public IntPtr GetExternalSurfaceObj()
+		{
+			IntPtr value = compositionLayerFeature.Compositionlayer_GetExternalSurfaceObj2(layerID);
+			//DEBUG("GetExternalSurfaceObj layerID " + layerID + " SurfaceObj " + value);
+				
+			return value;
+		}
+
 		public bool RenderAsLayer()
 		{
 			if (placeholderGenerated && compositionLayerPlaceholderPrefabGO != null)

com.htc.upm.vive.openxr/Runtime/CompositionLayer/Scripts/CompositionLayerPassthroughAPI.cs

@@ -1,5 +1,6 @@
 // Copyright HTC Corporation All Rights Reserved.
 
+using System;
 using System.Collections;
 using System.Collections.Generic;
 using System.Runtime.InteropServices;
@@ -26,7 +27,13 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 
 			return true;
 		}
-
+#if UNITY_STANDALONE
+		private static Dictionary<int, XrCompositionLayerPassthroughHTC> passthrough2Layer = new Dictionary<int, XrCompositionLayerPassthroughHTC>();
+		private static Dictionary<int, IntPtr> passthrough2LayerPtr = new Dictionary<int, IntPtr>();
+		private static Dictionary<int, bool> passthrough2IsUnderLay= new Dictionary<int, bool>();
+		private static Dictionary<int, XrPassthroughMeshTransformInfoHTC> passthrough2meshTransform = new Dictionary<int, XrPassthroughMeshTransformInfoHTC>();
+		private static Dictionary<int, IntPtr> passthrough2meshTransformInfoPtr = new Dictionary<int, IntPtr>();
+#endif
 		#region Public APIs
 
 		/// <summary>
@@ -62,9 +69,41 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 				ERROR("HTC_Passthrough feature instance not found.");
 				return passthroughID;
 			}
-
+#if UNITY_ANDROID
 			passthroughID = passthroughFeature.HTCPassthrough_CreatePassthrough(layerType, PassthroughLayerForm.Planar, onDestroyPassthroughSessionHandler, compositionDepth);
-
+#endif
+#if UNITY_STANDALONE
+			XrPassthroughHTC passthrough = 0;
+			XrPassthroughCreateInfoHTC createInfo = new XrPassthroughCreateInfoHTC(
+				XrStructureType.XR_TYPE_PASSTHROUGH_CREATE_INFO_HTC,
+				new IntPtr(6), //Enter IntPtr(0) for backward compatibility (using createPassthrough to enable the passthrough feature), or enter IntPtr(6) to enable the passthrough feature based on the layer submitted to endframe.
+				XrPassthroughFormHTC.XR_PASSTHROUGH_FORM_PLANAR_HTC
+			);
+			XrResult res = XR_HTC_passthrough.xrCreatePassthroughHTC(createInfo, out passthrough);
+			if(res == XrResult.XR_SUCCESS)
+            {
+				ulong passthrough_ulong = passthrough;
+				passthroughID = (int)passthrough_ulong;
+				XrPassthroughColorHTC passthroughColor = new XrPassthroughColorHTC(
+						in_type: XrStructureType.XR_TYPE_PASSTHROUGH_COLOR_HTC,
+						in_next: IntPtr.Zero,
+						in_alpha: alpha);
+				XrCompositionLayerPassthroughHTC compositionLayerPassthrough = new XrCompositionLayerPassthroughHTC(
+						in_type: XrStructureType.XR_TYPE_COMPOSITION_LAYER_PASSTHROUGH_HTC,
+						in_next: IntPtr.Zero,
+						in_layerFlags: ViveCompositionLayerHelper.XR_COMPOSITION_LAYER_UNPREMULTIPLIED_ALPHA_BIT,
+						in_space: 0,
+						in_passthrough: passthrough,
+						in_color: passthroughColor);
+				passthrough2Layer.Add(passthroughID, compositionLayerPassthrough);
+				IntPtr layerPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(XrCompositionLayerPassthroughHTC)));
+				passthrough2LayerPtr.Add(passthroughID, layerPtr);
+				if (layerType == LayerType.Underlay)
+					passthrough2IsUnderLay.Add(passthroughID, true);
+				if (layerType == LayerType.Overlay)
+					passthrough2IsUnderLay.Add(passthroughID, false);
+			}
+#endif
 			if (passthroughID == 0)
 			{
 				ERROR("Failed to create projected pasthrough");
@@ -146,9 +185,57 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 				ERROR("Mesh data invalid.");
 				return passthroughID;
 			}
-
+#if UNITY_STANDALONE
+			XrPassthroughHTC passthrough = 0;
+			XrPassthroughCreateInfoHTC createInfo = new XrPassthroughCreateInfoHTC(
+				XrStructureType.XR_TYPE_PASSTHROUGH_CREATE_INFO_HTC,
+				new IntPtr(6), //Enter IntPtr(0) for backward compatibility (using createPassthrough to enable the passthrough feature), or enter IntPtr(6) to enable the passthrough feature based on the layer submitted to endframe.
+				XrPassthroughFormHTC.XR_PASSTHROUGH_FORM_PROJECTED_HTC
+			);
+			XrResult res = XR_HTC_passthrough.xrCreatePassthroughHTC(createInfo, out passthrough);
+			if (res == XrResult.XR_SUCCESS)
+			{
+				ulong passthrough_ulong = passthrough;
+				passthroughID = (int)passthrough_ulong;
+				XrPassthroughMeshTransformInfoHTC PassthroughMeshTransformInfo = new XrPassthroughMeshTransformInfoHTC(
+						in_type: XrStructureType.XR_TYPE_PASSTHROUGH_MESH_TRANSFORM_INFO_HTC,
+						in_next: IntPtr.Zero,
+						in_vertexCount: 0,
+						in_vertices: new XrVector3f[0],
+						in_indexCount: 0,
+						in_indices: new UInt32[0],
+						in_baseSpace: XR_HTC_passthrough.Interop.GetTrackingSpace(),
+						in_time: XR_HTC_passthrough.Interop.GetFrameState().predictedDisplayTime,
+						in_pose: new XrPosef(),
+						in_scale: new XrVector3f()
+						);
+				IntPtr meshTransformInfoPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(XrPassthroughMeshTransformInfoHTC)));
+				Marshal.StructureToPtr(PassthroughMeshTransformInfo, meshTransformInfoPtr, false);
+				XrPassthroughColorHTC passthroughColor = new XrPassthroughColorHTC(
+						in_type: XrStructureType.XR_TYPE_PASSTHROUGH_COLOR_HTC,
+						in_next: IntPtr.Zero,
+						in_alpha: alpha);
+				XrCompositionLayerPassthroughHTC compositionLayerPassthrough = new XrCompositionLayerPassthroughHTC(
+						in_type: XrStructureType.XR_TYPE_COMPOSITION_LAYER_PASSTHROUGH_HTC,
+						in_next: meshTransformInfoPtr,
+						in_layerFlags: ViveCompositionLayerHelper.XR_COMPOSITION_LAYER_UNPREMULTIPLIED_ALPHA_BIT,
+						in_space: 0,
+						in_passthrough: passthrough,
+						in_color: passthroughColor);
+				passthrough2meshTransform.Add(passthroughID, PassthroughMeshTransformInfo);
+				passthrough2meshTransformInfoPtr.Add(passthroughID, meshTransformInfoPtr);
+				passthrough2Layer.Add(passthroughID, compositionLayerPassthrough);
+				IntPtr layerPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(XrCompositionLayerPassthroughHTC)));
+				passthrough2LayerPtr.Add(passthroughID, layerPtr);
+				if (layerType == LayerType.Underlay)
+					passthrough2IsUnderLay.Add(passthroughID, true);
+				if (layerType == LayerType.Overlay)
+					passthrough2IsUnderLay.Add(passthroughID, false);
+			}
+#endif
+#if UNITY_ANDROID
 			passthroughID = passthroughFeature.HTCPassthrough_CreatePassthrough(layerType, PassthroughLayerForm.Projected, onDestroyPassthroughSessionHandler, compositionDepth);
-
+#endif
 			if (passthroughID == 0)
 			{
 				ERROR("Failed to create projected pasthrough");
@@ -207,9 +294,57 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 				ERROR("HTC_Passthrough feature instance not found.");
 				return passthroughID;
 			}
-
+#if UNITY_STANDALONE
+			XrPassthroughHTC passthrough = 0;
+			XrPassthroughCreateInfoHTC createInfo = new XrPassthroughCreateInfoHTC(
+				XrStructureType.XR_TYPE_PASSTHROUGH_CREATE_INFO_HTC,
+				new IntPtr(6), //Enter IntPtr(0) for backward compatibility (using createPassthrough to enable the passthrough feature), or enter IntPtr(6) to enable the passthrough feature based on the layer submitted to endframe.
+				XrPassthroughFormHTC.XR_PASSTHROUGH_FORM_PROJECTED_HTC
+			);
+			XrResult res = XR_HTC_passthrough.xrCreatePassthroughHTC(createInfo, out passthrough);
+			if (res == XrResult.XR_SUCCESS)
+			{
+				ulong passthrough_ulong = passthrough;
+				passthroughID = (int)passthrough_ulong;
+				XrPassthroughMeshTransformInfoHTC PassthroughMeshTransformInfo = new XrPassthroughMeshTransformInfoHTC(
+						in_type: XrStructureType.XR_TYPE_PASSTHROUGH_MESH_TRANSFORM_INFO_HTC,
+						in_next: IntPtr.Zero,
+						in_vertexCount: 0,
+						in_vertices: new XrVector3f[0],
+						in_indexCount: 0,
+						in_indices: new UInt32[0],
+						in_baseSpace: XR_HTC_passthrough.Interop.GetTrackingSpace(),
+						in_time: XR_HTC_passthrough.Interop.GetFrameState().predictedDisplayTime,
+						in_pose: new XrPosef(),
+						in_scale: new XrVector3f()
+						);
+				IntPtr meshTransformInfoPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(XrPassthroughMeshTransformInfoHTC)));
+				Marshal.StructureToPtr(PassthroughMeshTransformInfo, meshTransformInfoPtr, false);
+				XrPassthroughColorHTC passthroughColor = new XrPassthroughColorHTC(
+						in_type: XrStructureType.XR_TYPE_PASSTHROUGH_COLOR_HTC,
+						in_next: IntPtr.Zero,
+						in_alpha: alpha);
+				XrCompositionLayerPassthroughHTC compositionLayerPassthrough = new XrCompositionLayerPassthroughHTC(
+						in_type: XrStructureType.XR_TYPE_COMPOSITION_LAYER_PASSTHROUGH_HTC,
+						in_next: meshTransformInfoPtr,
+						in_layerFlags: ViveCompositionLayerHelper.XR_COMPOSITION_LAYER_UNPREMULTIPLIED_ALPHA_BIT,
+						in_space: 0,
+						in_passthrough: passthrough,
+						in_color: passthroughColor);
+				passthrough2meshTransform.Add(passthroughID, PassthroughMeshTransformInfo);
+				passthrough2meshTransformInfoPtr.Add(passthroughID, meshTransformInfoPtr);
+				passthrough2Layer.Add(passthroughID, compositionLayerPassthrough);
+				IntPtr layerPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(XrCompositionLayerPassthroughHTC)));
+				passthrough2LayerPtr.Add(passthroughID, layerPtr);
+				if (layerType == LayerType.Underlay)
+					passthrough2IsUnderLay.Add(passthroughID, true);
+				if (layerType == LayerType.Overlay)
+					passthrough2IsUnderLay.Add(passthroughID, false);
+			}
+#endif
+#if UNITY_ANDROID
 			passthroughID = passthroughFeature.HTCPassthrough_CreatePassthrough(layerType, PassthroughLayerForm.Projected, onDestroyPassthroughSessionHandler);
-
+#endif
 			if (passthroughID == 0)
 			{
 				ERROR("Failed to create projected pasthrough");
@@ -221,6 +356,25 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 
 			return passthroughID;
 		}
+#if UNITY_STANDALONE
+		private static void SubmitLayer()
+        {
+			foreach(var passthrough in passthrough2IsUnderLay.Keys)
+            {
+				//Get and submit layer list
+				XR_HTC_passthrough.Interop.GetOriginEndFrameLayerList(out List<IntPtr> layerList);//GetOriginEndFrameLayers
+				if (layerList.Count != 0)
+				{
+					Marshal.StructureToPtr(passthrough2Layer[passthrough], passthrough2LayerPtr[passthrough], false);
+					if (passthrough2IsUnderLay[passthrough])
+						layerList.Insert(0, passthrough2LayerPtr[passthrough]);
+					else
+						layerList.Insert(1, passthrough2LayerPtr[passthrough]);
+					XR_HTC_passthrough.Interop.SubmitLayers(layerList);
+				}
+			}
+		}
+#endif
 
 		/// <summary>
 		/// For destroying a passthrough created previously.
@@ -245,8 +399,20 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 				ERROR("Passthrough to be destroyed not found");
 				return false;
 			}
-
+#if UNITY_STANDALONE
+			XrPassthroughHTC passthrough = (XrPassthroughHTC)(ulong)passthroughID;
+			passthrough2Layer.Remove(passthroughID);
+			Marshal.FreeHGlobal(passthrough2LayerPtr[passthroughID]);
+			passthrough2LayerPtr.Remove(passthroughID);
+			passthrough2IsUnderLay.Remove(passthroughID);
+			Marshal.FreeHGlobal(passthrough2meshTransformInfoPtr[passthroughID]);
+			passthrough2meshTransformInfoPtr.Remove(passthroughID);
+			passthrough2meshTransform.Remove(passthroughID);
+			return true;
+#endif
+#if UNITY_ANDROID
 			return passthroughFeature.HTCPassthrough_DestroyPassthrough(passthroughID);
+#endif
 		}
 
 		/// <summary>
@@ -277,7 +443,7 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 				ERROR("HTC_Passthrough feature instance not found.");
 				return false;
 			}
-
+#if UNITY_ANDROID
 			if (autoClamp)
 			{
 				return passthroughFeature.HTCPassthrough_SetAlpha(passthroughID, Mathf.Clamp01(alpha));
@@ -292,6 +458,19 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 
 				return passthroughFeature.HTCPassthrough_SetAlpha(passthroughID, alpha);
 			}
+#endif
+#if UNITY_STANDALONE
+			if (passthrough2Layer.ContainsKey(passthroughID))
+			{
+				XrCompositionLayerPassthroughHTC layer = passthrough2Layer[passthroughID];
+				layer.color.alpha = alpha;
+				passthrough2Layer[passthroughID] = layer;
+				SubmitLayer();
+				return true;
+			}
+			else
+				return false;
+#endif
 		}
 
 		/// <summary>
@@ -340,10 +519,29 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 			{
 				indexBufferUint[i] = (uint)indexBuffer[i];
 			}
-
+#if UNITY_STANDALONE
+			if (passthrough2meshTransformInfoPtr.ContainsKey(passthroughID))
+			{
+				XrPassthroughMeshTransformInfoHTC MeshTransformInfo = passthrough2meshTransform[passthroughID];
+				MeshTransformInfo.vertexCount = (uint)vertexBuffer.Length;
+				MeshTransformInfo.vertices = vertexBufferXrVector;
+				MeshTransformInfo.indexCount = (uint)indexBuffer.Length;
+				MeshTransformInfo.indices = indexBufferUint;
+				passthrough2meshTransform[passthroughID] = MeshTransformInfo;
+				Marshal.StructureToPtr(MeshTransformInfo, passthrough2meshTransformInfoPtr[passthroughID], false);
+				XrCompositionLayerPassthroughHTC layer = passthrough2Layer[passthroughID];
+				layer.next = passthrough2meshTransformInfoPtr[passthroughID];
+				passthrough2Layer[passthroughID] = layer;
+				SubmitLayer();
+				return true;
+			}
+			else
+				return false;
+#endif
 			//Note: Ignore Clock-Wise definition of index buffer for now as passthrough extension does not have back-face culling
-
+#if UNITY_ANDROID
 			return passthroughFeature.HTCPassthrough_SetMesh(passthroughID, (uint)vertexBuffer.Length, vertexBufferXrVector, (uint)indexBuffer.Length, indexBufferUint); ;
+#endif
 		}
 
 		/// <summary>
@@ -402,8 +600,26 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 			meshXrPose.orientation = OpenXRHelper.ToOpenXRQuaternion(trackingSpaceMeshRotation, convertFromUnityToOpenXR);
 
 			XrVector3f meshXrScale = OpenXRHelper.ToOpenXRVector(meshScale, false);
-
+#if UNITY_STANDALONE
+			if (passthrough2meshTransformInfoPtr.ContainsKey(passthroughID))
+			{
+				XrPassthroughMeshTransformInfoHTC MeshTransformInfo = passthrough2meshTransform[passthroughID];
+				MeshTransformInfo.pose = meshXrPose;
+				MeshTransformInfo.scale = meshXrScale;
+				passthrough2meshTransform[passthroughID] = MeshTransformInfo;
+				Marshal.StructureToPtr(MeshTransformInfo, passthrough2meshTransformInfoPtr[passthroughID], false);
+				XrCompositionLayerPassthroughHTC layer = passthrough2Layer[passthroughID];
+				layer.next = passthrough2meshTransformInfoPtr[passthroughID];
+				passthrough2Layer[passthroughID] = layer;
+				SubmitLayer();
+				return true;
+			}
+			else
+				return false;
+#endif
+#if UNITY_ANDROID
 			return passthroughFeature.HTCPassthrough_SetMeshTransform(passthroughID, passthroughFeature.GetXrSpaceFromSpaceType(spaceType), meshXrPose, meshXrScale);
+#endif
 		}
 
 		/// <summary>
@@ -429,8 +645,20 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 				ERROR("HTC_Passthrough feature instance not found.");
 				return false;
 			}
-
+#if UNITY_STANDALONE
+			if (passthrough2IsUnderLay.ContainsKey(passthroughID))
+			{
+				passthrough2IsUnderLay[passthroughID] = layerType == LayerType.Underlay ? true : false;
+				SubmitLayer();
+				return true;
+			}
+			else
+				return false;
+#endif
+#if UNITY_ANDROID
 			return passthroughFeature.HTCPassthrough_SetLayerType(passthroughID, layerType, compositionDepth);
+#endif
+
 		}
 
 		/// <summary>
@@ -452,8 +680,25 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 				ERROR("HTC_Passthrough feature instance not found.");
 				return false;
 			}
-
+#if UNITY_STANDALONE
+			if (passthrough2meshTransformInfoPtr.ContainsKey(passthroughID))
+			{
+				XrPassthroughMeshTransformInfoHTC MeshTransformInfo = passthrough2meshTransform[passthroughID];
+				MeshTransformInfo.baseSpace = passthroughFeature.GetXrSpaceFromSpaceType(spaceType);
+				passthrough2meshTransform[passthroughID] = MeshTransformInfo;
+				Marshal.StructureToPtr(MeshTransformInfo, passthrough2meshTransformInfoPtr[passthroughID], false);
+				XrCompositionLayerPassthroughHTC layer = passthrough2Layer[passthroughID];
+				layer.next = passthrough2meshTransformInfoPtr[passthroughID];
+				passthrough2Layer[passthroughID] = layer;
+				SubmitLayer();
+				return true;
+			}
+			else
+				return false;
+#endif
+#if UNITY_ANDROID
 			return passthroughFeature.HTCPassthrough_SetMeshTransformSpace(passthroughID, passthroughFeature.GetXrSpaceFromSpaceType(spaceType));
+#endif
 		}
 
 		/// <summary>
@@ -495,8 +740,27 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 
 				trackingSpaceMeshPosition = trackingSpaceLayerPoseTRS.GetColumn(3); //4th Column of TRS Matrix is the position
 			}
-
+#if UNITY_STANDALONE
+			if (passthrough2meshTransformInfoPtr.ContainsKey(passthroughID))
+			{
+				XrPassthroughMeshTransformInfoHTC MeshTransformInfo = passthrough2meshTransform[passthroughID];
+				XrPosef meshXrPose = MeshTransformInfo.pose;
+				meshXrPose.position = OpenXRHelper.ToOpenXRVector(trackingSpaceMeshPosition, convertFromUnityToOpenXR); ;
+				MeshTransformInfo.pose = meshXrPose;
+				passthrough2meshTransform[passthroughID] = MeshTransformInfo;
+				Marshal.StructureToPtr(MeshTransformInfo, passthrough2meshTransformInfoPtr[passthroughID], false);
+				XrCompositionLayerPassthroughHTC layer = passthrough2Layer[passthroughID];
+				layer.next = passthrough2meshTransformInfoPtr[passthroughID];
+				passthrough2Layer[passthroughID] = layer;
+				SubmitLayer();
+				return true;
+			}
+			else
+				return false;
+#endif
+#if UNITY_ANDROID
 			return passthroughFeature.HTCPassthrough_SetMeshTransformPosition(passthroughID, OpenXRHelper.ToOpenXRVector(trackingSpaceMeshPosition, convertFromUnityToOpenXR));
+#endif
 		}
 
 		/// <summary>
@@ -538,8 +802,27 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 
 				trackingSpaceMeshRotation = Quaternion.LookRotation(trackingSpaceLayerPoseTRS.GetColumn(2), trackingSpaceLayerPoseTRS.GetColumn(1));
 			}
-
+#if UNITY_STANDALONE
+			if (passthrough2meshTransformInfoPtr.ContainsKey(passthroughID))
+			{
+				XrPassthroughMeshTransformInfoHTC MeshTransformInfo = passthrough2meshTransform[passthroughID];
+				XrPosef meshXrPose = MeshTransformInfo.pose;
+				meshXrPose.orientation = OpenXRHelper.ToOpenXRQuaternion(trackingSpaceMeshRotation, convertFromUnityToOpenXR);
+				MeshTransformInfo.pose = meshXrPose;
+				passthrough2meshTransform[passthroughID] = MeshTransformInfo;
+				Marshal.StructureToPtr(MeshTransformInfo, passthrough2meshTransformInfoPtr[passthroughID], false);
+				XrCompositionLayerPassthroughHTC layer = passthrough2Layer[passthroughID];
+				layer.next = passthrough2meshTransformInfoPtr[passthroughID];
+				passthrough2Layer[passthroughID] = layer;
+				SubmitLayer();
+				return true;
+			}
+			else
+				return false;
+#endif
+#if UNITY_ANDROID
 			return passthroughFeature.HTCPassthrough_SetMeshTransformOrientation(passthroughID, OpenXRHelper.ToOpenXRQuaternion(trackingSpaceMeshRotation, convertFromUnityToOpenXR));
+#endif
 		}
 
 		/// <summary>
@@ -561,8 +844,26 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 				ERROR("HTC_Passthrough feature instance not found.");
 				return false;
 			}
+#if UNITY_STANDALONE
+			if (passthrough2meshTransformInfoPtr.ContainsKey(passthroughID))
+			{
+				XrPassthroughMeshTransformInfoHTC MeshTransformInfo = passthrough2meshTransform[passthroughID];
+				MeshTransformInfo.scale = OpenXRHelper.ToOpenXRVector(meshScale, false);
+				passthrough2meshTransform[passthroughID] = MeshTransformInfo;
+				Marshal.StructureToPtr(MeshTransformInfo, passthrough2meshTransformInfoPtr[passthroughID], false);
+				XrCompositionLayerPassthroughHTC layer = passthrough2Layer[passthroughID];
+				layer.next = passthrough2meshTransformInfoPtr[passthroughID];
+				passthrough2Layer[passthroughID] = layer;
+				SubmitLayer();
+				return true;
+			}
+			else
+				return false;
+#endif
 
+#if UNITY_ANDROID
 			return passthroughFeature.HTCPassthrough_SetMeshTransformScale(passthroughID, OpenXRHelper.ToOpenXRVector(meshScale, false));
+#endif
 		}
 
 		/// <summary>

com.htc.upm.vive.openxr/Runtime/Features/CompositionLayer/Scripts/ViveCompositionLayer.cs

@@ -1,4 +1,4 @@
-// Copyright HTC Corporation All Rights Reserved.
+// Copyright HTC Corporation All Rights Reserved.
 
 using System.Collections.Generic;
 using UnityEditor;
@@ -48,6 +48,9 @@ namespace VIVE.OpenXR.CompositionLayer
 
 		#region OpenXR Life Cycle
 		private bool m_XrInstanceCreated = false;
+		/// <summary>
+		/// The XR instance is created or not.
+		/// </summary>
 		public bool XrInstanceCreated
 		{
 			get { return m_XrInstanceCreated; }
@@ -55,13 +58,13 @@ namespace VIVE.OpenXR.CompositionLayer
 		private XrInstance m_XrInstance = 0;
 		protected override bool OnInstanceCreate(ulong xrInstance)
 		{
-			//foreach (string kOpenxrExtensionString in kOpenxrExtensionStrings.Split(' '))
+			foreach (string kOpenxrExtensionString in kOpenxrExtensionStrings.Split(' '))
-			//{
+			{
-			//	if (!OpenXRRuntime.IsExtensionEnabled(kOpenxrExtensionString))
+				if (!OpenXRRuntime.IsExtensionEnabled(kOpenxrExtensionString))
-			//	{
+				{
-			//		WARNING("OnInstanceCreate() " + kOpenxrExtensionString + " is NOT enabled.");
+					WARNING("OnInstanceCreate() " + kOpenxrExtensionString + " is NOT enabled.");
-			//	}
+				}
-			//}
+			}
 
 			m_XrInstanceCreated = true;
 			m_XrInstance = xrInstance;
@@ -84,6 +87,9 @@ namespace VIVE.OpenXR.CompositionLayer
 		}
 
 		private bool m_XrSessionCreated = false;
+		/// <summary>
+		/// The XR session is created or not.
+		/// </summary>
 		public bool XrSessionCreated
 		{
 			get { return m_XrSessionCreated; }
@@ -97,20 +103,32 @@ namespace VIVE.OpenXR.CompositionLayer
 		}
 
 		private bool m_XrSessionEnding = false;
+		/// <summary>
+		/// The XR session is ending or not.
+		/// </summary>
 		public bool XrSessionEnding
 		{
 			get { return m_XrSessionEnding; }
 		}
 
 		private XrSpace m_WorldLockSpaceOriginOnHead = 0, m_WorldLockSpaceOriginOnFloor = 0, m_HeadLockSpace = 0;
+		/// <summary>
+		/// The XrSpace of world lock space origin on head.
+		/// </summary>
 		public XrSpace WorldLockSpaceOriginOnHead
 		{
 			get { return m_WorldLockSpaceOriginOnHead; }
 		}
+		/// <summary>
+		/// The XrSpace of world lock space origin on floor.
+		/// </summary>
 		public XrSpace WorldLockSpaceOriginOnFloor
 		{
 			get { return m_WorldLockSpaceOriginOnFloor; }
 		}
+		/// <summary>
+		/// The XrSpace of head lock space.
+		/// </summary>
 		public XrSpace HeadLockSpace
 		{
 			get { return m_HeadLockSpace; }
@@ -252,6 +270,9 @@ namespace VIVE.OpenXR.CompositionLayer
 			}
 		}
 
+		/// <summary>
+		/// The current XR Session state.
+		/// </summary>
 		public XrSessionState XrSessionCurrentState
 		{
 			get { return m_XrSessionNewState; }
@@ -289,6 +310,10 @@ namespace VIVE.OpenXR.CompositionLayer
 
 		/// xrGetSystemProperties
 		OpenXRHelper.xrGetSystemPropertiesDelegate xrGetSystemProperties;
+		/// <summary>
+		/// Helper function to get this feature' properties.
+		/// See <see href="https://registry.khronos.org/OpenXR/specs/1.0/html/xrspec.html#xrGetSystemProperties">xrGetSystemProperties</see>
+		/// </summary>
 		public XrResult GetSystemProperties(ref XrSystemProperties properties)
 		{
 			if (m_XrInstanceCreated)
@@ -301,6 +326,10 @@ namespace VIVE.OpenXR.CompositionLayer
 
 		/// xrEnumerateReferenceSpaces
 		OpenXRHelper.xrEnumerateReferenceSpacesDelegate xrEnumerateReferenceSpaces;
+		/// <summary>
+		/// Enumerate available reference spaces
+		/// See <see href="https://registry.khronos.org/OpenXR/specs/1.0/man/html/xrEnumerateReferenceSpaces.html">xrEnumerateReferenceSpaces</see>
+		/// </summary>
 		public XrResult EnumerateReferenceSpaces(UInt32 spaceCapacityInput, out UInt32 spaceCountOutput, out XrReferenceSpaceType spaces)
 		{
 			if (!m_XrSessionCreated)
@@ -315,6 +344,10 @@ namespace VIVE.OpenXR.CompositionLayer
 
 		/// xrCreateReferenceSpace
 		OpenXRHelper.xrCreateReferenceSpaceDelegate xrCreateReferenceSpace;
+		/// <summary>
+		/// Creates a reference space
+		/// See <see href="https://registry.khronos.org/OpenXR/specs/1.0/man/html/xrCreateReferenceSpace.html">xrCreateReferenceSpace</see>
+		/// </summary>
 		public XrResult CreateReferenceSpace(ref XrReferenceSpaceCreateInfo createInfo, out XrSpace space)
 		{
 			if (!m_XrSessionCreated)
@@ -328,6 +361,10 @@ namespace VIVE.OpenXR.CompositionLayer
 
 		/// xrDestroySpace
 		OpenXRHelper.xrDestroySpaceDelegate xrDestroySpace;
+		/// <summary>
+		/// Destroys an XrSpace
+		/// See <see href="https://registry.khronos.org/OpenXR/specs/1.0/man/html/xrDestroySpace.html">xrDestroySpace</see>
+		/// </summary>
 		public XrResult DestroySpace(XrSpace space)
 		{
 			if (space != 0)
@@ -435,9 +472,26 @@ namespace VIVE.OpenXR.CompositionLayer
 
 		#region Wrapper Functions
 		private const string ExtLib = "viveopenxr";
+		[DllImportAttribute(ExtLib, EntryPoint = "compositionlayer_GetExternalSurfaceObj")]
+		public static extern IntPtr VIVEOpenXR_Compositionlayer_GetExternalSurfaceObj();
+		public IntPtr Compositionlayer_GetExternalSurfaceObj()
+		{
+			return VIVEOpenXR_Compositionlayer_GetExternalSurfaceObj();
+		}
+
+		[DllImportAttribute(ExtLib, EntryPoint = "compositionlayer_GetExternalSurfaceObj2")]
+		public static extern IntPtr VIVEOpenXR_Compositionlayer_GetExternalSurfaceObj2(int layerID);
+		public IntPtr Compositionlayer_GetExternalSurfaceObj2(int layerID)
+		{
+			return VIVEOpenXR_Compositionlayer_GetExternalSurfaceObj2(layerID);
+		}
+
 		[DllImportAttribute(ExtLib, EntryPoint = "compositionlayer_Init")]
-		public static extern int VIVEOpenXR_CompositionLayer_Init(XrSession session, uint textureWidth, uint textureHeight, GraphicsAPI graphicsAPI, bool isDynamic, bool isProtected, out uint imageCount);
+		public static extern int VIVEOpenXR_CompositionLayer_Init(XrSession session, uint textureWidth, uint textureHeight, GraphicsAPI graphicsAPI, bool isDynamic, bool isProtected, out uint imageCount, bool isExternal);
-		public int CompositionLayer_Init(uint textureWidth, uint textureHeight, GraphicsAPI graphicsAPI, bool isDynamic, bool isProtected, out uint imageCount)
+		/// <summary>
+		/// Init composion layer.
+		/// </summary>
+		public int CompositionLayer_Init(uint textureWidth, uint textureHeight, GraphicsAPI graphicsAPI, bool isDynamic, bool isProtected, out uint imageCount, bool isExternal = false)
 		{
 			if (!m_XrSessionCreated)
 			{
@@ -446,11 +500,14 @@ namespace VIVE.OpenXR.CompositionLayer
 				return 0;
 			}
 
-			return VIVEOpenXR_CompositionLayer_Init(m_XrSession, textureWidth, textureHeight, graphicsAPI, isDynamic, isProtected, out imageCount);
+			return VIVEOpenXR_CompositionLayer_Init(m_XrSession, textureWidth, textureHeight, graphicsAPI, isDynamic, isProtected, out imageCount, isExternal);
 		}
 
 		[DllImportAttribute(ExtLib, EntryPoint = "compositionlayer_GetTexture")]
 		public static extern IntPtr VIVEOpenXR_CompositionLayer_GetTexture(int layerID, out uint imageIndex);
+		/// <summary>
+		/// Get composition layer texture.
+		/// </summary>
 		public IntPtr CompositionLayer_GetTexture(int layerID, out uint imageIndex)
 		{
 			return VIVEOpenXR_CompositionLayer_GetTexture(layerID, out imageIndex);
@@ -458,6 +515,9 @@ namespace VIVE.OpenXR.CompositionLayer
 
 		[DllImportAttribute(ExtLib, EntryPoint = "compositionlayer_ReleaseTexture")]
 		public static extern bool VIVEOpenXR_CompositionLayer_ReleaseTexture(int layerID);
+		/// <summary>
+		/// release composition layer texture.
+		/// </summary>
 		public bool CompositionLayer_ReleaseTexture(int layerID)
 		{
 			return VIVEOpenXR_CompositionLayer_ReleaseTexture(layerID);
@@ -465,6 +525,9 @@ namespace VIVE.OpenXR.CompositionLayer
 
 		[DllImportAttribute(ExtLib, EntryPoint = "compositionlayer_Destroy")]
 		public static extern bool VIVEOpenXR_CompositionLayer_Destroy(int layerID);
+		/// <summary>
+		/// destroy composition layer.
+		/// </summary>
 		public bool CompositionLayer_Destroy(int layerID)
 		{
 			return VIVEOpenXR_CompositionLayer_Destroy(layerID);
@@ -472,6 +535,9 @@ namespace VIVE.OpenXR.CompositionLayer
 
 		[DllImportAttribute(ExtLib, EntryPoint = "submit_CompositionLayerQuad")]
 		public static extern void VIVEOpenXR_Submit_CompositionLayerQuad(XrCompositionLayerQuad quad, LayerType layerType, uint compositionDepth, int layerID);
+		/// <summary>
+		/// submit compostion layer of type quad.
+		/// </summary>
 		public void Submit_CompositionLayerQuad(XrCompositionLayerQuad quad, LayerType layerType, uint compositionDepth, int layerID)
 		{
 			VIVEOpenXR_Submit_CompositionLayerQuad(quad, layerType, compositionDepth, layerID);
@@ -491,6 +557,9 @@ namespace VIVE.OpenXR.CompositionLayer
 
 		[DllImportAttribute(ExtLib, EntryPoint = "compositionlayer_GetFuncAddrs")]
 		public static extern XrResult VIVEOpenXR_CompositionLayer_GetFuncAddrs(XrInstance xrInstance, IntPtr xrGetInstanceProcAddrFuncPtr);
+		/// <summary>
+		/// get function address of composition layer.
+		/// </summary>
 		public XrResult CompositionLayer_GetFuncAddrs(XrInstance xrInstance, IntPtr xrGetInstanceProcAddrFuncPtr)
 		{
 			return VIVEOpenXR_CompositionLayer_GetFuncAddrs(xrInstance, xrGetInstanceProcAddrFuncPtr);

com.htc.upm.vive.openxr/Runtime/Features/CompositionLayer/Scripts/ViveCompositionLayerColorScaleBias.cs

@@ -42,6 +42,9 @@ namespace VIVE.OpenXR.CompositionLayer
 		private const string kOpenXRColorScaleBiasExtensionString = "XR_KHR_composition_layer_color_scale_bias";
 
 		private bool m_ColorScaleBiasExtensionEnabled = true;
+		/// <summary>
+		/// The extension of "XR_KHR_composition_layer_color_scale_bias" is enabled or not.
+		/// </summary>
 		public bool ColorScaleBiasExtensionEnabled
 		{
 			get { return m_ColorScaleBiasExtensionEnabled; }
@@ -68,6 +71,9 @@ namespace VIVE.OpenXR.CompositionLayer
 
 		[DllImportAttribute(ExtLib, EntryPoint = "submit_CompositionLayerColorBias")]
 		public static extern void VIVEOpenXR_Submit_CompositionLayerColorBias(XrCompositionLayerColorScaleBiasKHR colorBias, int layerID);
+		/// <summary>
+		/// Submit Compostion Layer Color Bias Settings to specific layer ID.
+		/// </summary>
 		public void Submit_CompositionLayerColorBias(XrCompositionLayerColorScaleBiasKHR colorBias, int layerID)
 		{
 			if (!ColorScaleBiasExtensionEnabled)

com.htc.upm.vive.openxr/Runtime/Features/CompositionLayer/Scripts/ViveCompositionLayerCylinder.cs

@@ -42,6 +42,9 @@ namespace VIVE.OpenXR.CompositionLayer
 		private const string kOpenXRCylinderExtensionString = "XR_KHR_composition_layer_cylinder";
 
 		private bool m_CylinderExtensionEnabled = true;
+		/// <summary>
+		/// The extension "XR_KHR_composition_layer_cylinder" is enabled or not.
+		/// </summary>
 		public bool CylinderExtensionEnabled
 		{
 			get { return m_CylinderExtensionEnabled; }
@@ -68,6 +71,9 @@ namespace VIVE.OpenXR.CompositionLayer
 
 		[DllImportAttribute(ExtLib, EntryPoint = "submit_CompositionLayerCylinder")]
 		public static extern void VIVEOpenXR_Submit_CompositionLayerCylinder(XrCompositionLayerCylinderKHR cylinder, LayerType layerType, uint compositionDepth, int layerID);
+		/// <summary>
+		/// submit compostion layer of type cylinder.
+		/// </summary>
 		public void Submit_CompositionLayerCylinder(XrCompositionLayerCylinderKHR cylinder, LayerType layerType, uint compositionDepth, int layerID)
 		{
 			if (!CylinderExtensionEnabled)

com.htc.upm.vive.openxr/Runtime/Features/CompositionLayer/Scripts/ViveCompositionLayerHelper.cs

@@ -301,8 +301,288 @@ namespace VIVE.OpenXR.CompositionLayer
 		Underlay = 2
 	}
 
+	/// <summary>
+	/// An application can create an <see cref="XrPassthroughHTC">XrPassthroughHTC</see> handle by calling <see cref="ViveCompositionLayerHelper.xrCreatePassthroughHTC">xrCreatePassthroughHTC</see>. The returned passthrough handle can be subsequently used in API calls.
+	/// </summary>
+	public struct XrPassthroughHTC : IEquatable<UInt64>
+	{
+		private readonly UInt64 value;
+
+		public XrPassthroughHTC(UInt64 u)
+		{
+			value = u;
+		}
+
+		public static implicit operator UInt64(XrPassthroughHTC equatable)
+		{
+			return equatable.value;
+		}
+		public static implicit operator XrPassthroughHTC(UInt64 u)
+		{
+			return new XrPassthroughHTC(u);
+		}
+
+		public bool Equals(XrPassthroughHTC other)
+		{
+			return value == other.value;
+		}
+		public bool Equals(UInt64 other)
+		{
+			return value == other;
+		}
+		public override bool Equals(object obj)
+		{
+			return obj is XrPassthroughHTC && Equals((XrPassthroughHTC)obj);
+		}
+
+		public override int GetHashCode()
+		{
+			return value.GetHashCode();
+		}
+
+		public override string ToString()
+		{
+			return value.ToString();
+		}
+
+		public static bool operator ==(XrPassthroughHTC a, XrPassthroughHTC b) { return a.Equals(b); }
+		public static bool operator !=(XrPassthroughHTC a, XrPassthroughHTC b) { return !a.Equals(b); }
+		public static bool operator >=(XrPassthroughHTC a, XrPassthroughHTC b) { return a.value >= b.value; }
+		public static bool operator <=(XrPassthroughHTC a, XrPassthroughHTC b) { return a.value <= b.value; }
+		public static bool operator >(XrPassthroughHTC a, XrPassthroughHTC b) { return a.value > b.value; }
+		public static bool operator <(XrPassthroughHTC a, XrPassthroughHTC b) { return a.value < b.value; }
+		public static XrPassthroughHTC operator +(XrPassthroughHTC a, XrPassthroughHTC b) { return a.value + b.value; }
+		public static XrPassthroughHTC operator -(XrPassthroughHTC a, XrPassthroughHTC b) { return a.value - b.value; }
+		public static XrPassthroughHTC operator *(XrPassthroughHTC a, XrPassthroughHTC b) { return a.value * b.value; }
+		public static XrPassthroughHTC operator /(XrPassthroughHTC a, XrPassthroughHTC b)
+		{
+			if (b.value == 0)
+			{
+				throw new DivideByZeroException();
+			}
+			return a.value / b.value;
+		}
+
+	}
+
+	/// <summary>
+	/// The XrPassthroughFormHTC enumeration identifies the form of the passthrough, presenting the passthrough fill the full screen or project onto a specified mesh.
+	/// </summary>
+	public enum XrPassthroughFormHTC
+	{
+		/// <summary>
+		/// Presents the passthrough with full of the entire screen..
+		/// </summary>
+		XR_PASSTHROUGH_FORM_PLANAR_HTC = 0,
+		/// <summary>
+		/// Presents the passthrough projecting onto a custom mesh.
+		/// </summary>
+		XR_PASSTHROUGH_FORM_PROJECTED_HTC = 1,
+	};
+
+	/// <summary>
+	/// The XrPassthroughCreateInfoHTC structure describes the information to create an <see cref="XrPassthroughCreateInfoHTC">XrPassthroughCreateInfoHTC</see> handle.
+	/// </summary>
+	[StructLayout(LayoutKind.Sequential)]
+	public struct XrPassthroughCreateInfoHTC
+	{
+		/// <summary>
+		/// The <see cref="XrStructureType">XrStructureType</see> of this structure.
+		/// </summary>
+		public XrStructureType type;
+		/// <summary>
+		/// NULL or a pointer to the next structure in a structure chain. No such structures are defined in core OpenXR or this extension.
+		/// </summary>
+		public IntPtr next;
+		/// <summary>
+		/// The form specifies the form of passthrough.
+		/// </summary>
+		public XrPassthroughFormHTC form;
+
+		/// <param name="in_type">The <see cref="XrStructureType">XrStructureType</see> of this structure.</param>
+		/// <param name="in_next">NULL or a pointer to the next structure in a structure chain. No such structures are defined in core OpenXR or this extension.</param>
+		/// <param name="in_facialTrackingType">An XrFacialTrackingTypeHTC which describes which type of facial tracking should be used for this handle.</param>
+		public XrPassthroughCreateInfoHTC(XrStructureType in_type, IntPtr in_next, XrPassthroughFormHTC in_form)
+		{
+			type = in_type;
+			next = in_next;
+			form = in_form;
+		}
+	};
+	/// <summary>
+	/// The XrCompositionLayerBaseHeader structure is not intended to be directly used, but forms a basis for defining current and future structures containing composition layer information. The XrFrameEndInfo structure contains an array of pointers to these polymorphic header structures. 
+	/// </summary>
+	[StructLayout(LayoutKind.Sequential)]
+	public struct XrCompositionLayerBaseHeader
+	{
+		/// <summary>
+		/// The XrStructureType of this structure.
+		/// </summary>
+		public XrStructureType type;
+		/// <summary>
+		/// Next is NULL or a pointer to the next structure in a structure chain, such as XrPassthroughMeshTransformInfoHTC.
+		/// </summary>
+		public IntPtr next;
+		/// <summary>
+		/// A bitmask of XrCompositionLayerFlagBits describing flags to apply to the layer.
+		/// </summary>
+		public XrCompositionLayerFlags layerFlags;
+		/// <summary>
+		/// The XrSpace in which the layer will be kept stable over time.
+		/// </summary>
+		public XrSpace space;
+	};
+	/// <summary>
+	/// The application can specify the XrPassthroughColorHTC to adjust the alpha value of the passthrough. The range is between 0.0f and 1.0f, 1.0f means opaque.
+	/// </summary>
+	[StructLayout(LayoutKind.Sequential)]
+	public struct XrPassthroughColorHTC
+	{
+		/// <summary>
+		/// The XrStructureType of this structure.
+		/// </summary>
+		public XrStructureType type;
+		/// <summary>
+		/// Next is NULL or a pointer to the next structure in a structure chain, such as XrPassthroughMeshTransformInfoHTC.
+		/// </summary>
+		public IntPtr next;
+		/// <summary>
+		/// The alpha value of the passthrough in the range [0, 1].
+		/// </summary>
+		public float alpha;
+		public XrPassthroughColorHTC(XrStructureType in_type, IntPtr in_next, float in_alpha)
+        {
+			type = in_type;
+			next = in_next;
+			alpha = in_alpha;
+		}
+	};
+	/// <summary>
+	/// A pointer to XrCompositionLayerPassthroughHTC may be submitted in xrEndFrame as a pointer to the base structure XrCompositionLayerBaseHeader, in the desired layer order, to request the runtime to composite a passthrough layer into the final frame output.
+	/// </summary>
+	[StructLayout(LayoutKind.Sequential)]
+	public struct XrCompositionLayerPassthroughHTC
+	{
+		/// <summary>
+		/// The XrStructureType of this structure.
+		/// </summary>
+		public XrStructureType type;
+		/// <summary>
+		/// Next is NULL or a pointer to the next structure in a structure chain, such as XrPassthroughMeshTransformInfoHTC.
+		/// </summary>
+		public IntPtr next;
+		/// <summary>
+		/// A bitmask of XrCompositionLayerFlagBits describing flags to apply to the layer.
+		/// </summary>
+		public XrCompositionLayerFlags layerFlags;
+		/// <summary>
+		/// The XrSpace that specifies the layer’s space - must be XR_NULL_HANDLE.
+		/// </summary>
+		public XrSpace space;
+		/// <summary>
+		/// The XrPassthroughHTC previously created by xrCreatePassthroughHTC.
+		/// </summary>
+		public XrPassthroughHTC passthrough;
+		/// <summary>
+		/// The XrPassthroughColorHTC describing the color information with the alpha value of the passthrough layer.
+		/// </summary>
+		public XrPassthroughColorHTC color;
+		public XrCompositionLayerPassthroughHTC(XrStructureType in_type, IntPtr in_next, XrCompositionLayerFlags in_layerFlags,
+			XrSpace in_space, XrPassthroughHTC in_passthrough, XrPassthroughColorHTC in_color)
+		{
+			type = in_type;
+			next = in_next;
+			layerFlags = in_layerFlags;
+			space = in_space;
+			passthrough = in_passthrough;
+			color = in_color;
+		}
+	};
+
+	/// <summary>
+	/// The XrPassthroughMeshTransformInfoHTC structure describes the mesh and transformation.
+	/// </summary>
+	[StructLayout(LayoutKind.Sequential)]
+	public struct XrPassthroughMeshTransformInfoHTC
+	{
+		/// <summary>
+		/// The XrStructureType of this structure.
+		/// </summary>
+		public XrStructureType type;
+		/// <summary>
+		/// Next is NULL or a pointer to the next structure in a structure chain.
+		/// </summary>
+		public IntPtr next;
+		/// <summary>
+		/// The count of vertices array in the mesh.
+		/// </summary>
+		public UInt32 vertexCount;
+		/// <summary>
+		/// An array of XrVector3f. The size of the array must be equal to vertexCount.
+		/// </summary>
+		public XrVector3f[] vertices;
+		/// <summary>
+		/// The count of indices array in the mesh.
+		/// </summary>
+		public UInt32 indexCount;
+		/// <summary>
+		/// An array of triangle indices. The size of the array must be equal to indexCount.
+		/// </summary>
+		public UInt32[] indices;
+		/// <summary>
+		/// The XrSpace that defines the projected passthrough's base space for transformations.
+		/// </summary>
+		public XrSpace baseSpace;
+		/// <summary>
+		/// The XrTime that defines the time at which the transform is applied.
+		/// </summary>
+		public XrTime time;
+		/// <summary>
+		/// The XrPosef that defines the pose of the mesh
+		/// </summary>
+		public XrPosef pose;
+		/// <summary>
+		/// The XrVector3f that defines the scale of the mesh
+		/// </summary>
+		public XrVector3f scale;
+		public XrPassthroughMeshTransformInfoHTC(XrStructureType in_type, IntPtr in_next, UInt32 in_vertexCount,
+			XrVector3f[] in_vertices, UInt32 in_indexCount, UInt32[] in_indices, XrSpace in_baseSpace, XrTime in_time,
+			XrPosef in_pose, XrVector3f in_scale)
+		{
+			type = in_type;
+			next = in_next;
+			vertexCount = in_vertexCount;
+			vertices = in_vertices;
+			indexCount = in_indexCount;
+			indices = in_indices;
+			baseSpace = in_baseSpace;
+			time = in_time;
+			pose = in_pose;
+			scale = in_scale;
+		}
+	};
+
 	public static class ViveCompositionLayerHelper
 	{
+		/// <summary>
+		/// The delegate function of <see href="https://registry.khronos.org/OpenXR/specs/1.0/html/xrspec.html#xrCreatePassthroughHTC">xrCreatePassthroughHTC</see>.
+		/// </summary>
+		/// <param name="session">An <see cref="XrSession">XrSession</see>  in which the passthrough will be active.</param>
+		/// <param name="createInfo">createInfo is a pointer to an <see cref="XrPassthroughCreateInfoHTC">XrPassthroughCreateInfoHTC</see> structure containing information about how to create the passthrough.</param>
+		/// <param name="passthrough">passthrough is a pointer to a handle in which the created <see cref="XrPassthroughHTC">XrPassthroughHTC</see> is returned.</param>
+		/// <returns>XR_SUCCESS for success.</returns>
+		public delegate XrResult xrCreatePassthroughHTCDelegate(
+			XrSession session,
+			XrPassthroughCreateInfoHTC createInfo,
+			out XrPassthroughHTC passthrough);
+
+		/// <summary>
+		/// The delegate function of <see href="https://registry.khronos.org/OpenXR/specs/1.0/html/xrspec.html#xrDestroyPassthroughHTC">xrDestroyFacialTrackerHTC</see>.
+		/// </summary>
+		/// <param name="passthrough">passthrough is the <see cref="XrPassthroughHTC">XrPassthroughHTC</see> to be destroyed..</param>
+		/// <returns>XR_SUCCESS for success.</returns>
+		public delegate XrResult xrDestroyPassthroughHTCDelegate(
+			XrPassthroughHTC passthrough);
 		// Flag bits for XrCompositionLayerFlags
 		public static XrCompositionLayerFlags XR_COMPOSITION_LAYER_CORRECT_CHROMATIC_ABERRATION_BIT = 0x00000001;
 		public static XrCompositionLayerFlags XR_COMPOSITION_LAYER_BLEND_TEXTURE_SOURCE_ALPHA_BIT = 0x00000002;

com.htc.upm.vive.openxr/Runtime/Features/CompositionLayer/Scripts/ViveCompositionLayerPassthrough.cs

@@ -24,7 +24,7 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 		DocumentationLink = "..\\Documentation",
 		OpenxrExtensionStrings = kOpenxrExtensionStrings,
 		Version = "1.0.0",
-		BuildTargetGroups = new[] { BuildTargetGroup.Android },
+		BuildTargetGroups = new[] { BuildTargetGroup.Android ,BuildTargetGroup.Standalone},
 		FeatureId = featureId
 	)]
 #endif
@@ -36,6 +36,9 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 		static void ERROR(string msg) { Debug.LogError(LOG_TAG + " " + msg); }
 
 		private List<int> passthroughIDList = new List<int>();
+		/// <summary>
+		/// The List of passthrough ID.
+		/// </summary>
 		public List<int> PassthroughIDList { get{ return new List<int>(passthroughIDList); } }
 
 		private List<XRInputSubsystem> inputSubsystems = new List<XRInputSubsystem>();
@@ -45,9 +48,15 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 		/// </summary>
 		public const string featureId = "vive.openxr.feature.compositionlayer.passthrough";
 
+		/// <summary>
+		/// The extension string.
+		/// </summary>
 		public const string kOpenxrExtensionStrings = "XR_HTC_passthrough";
 
 		private bool m_HTCPassthroughExtensionEnabled = true;
+		/// <summary>
+		/// The HTC Passthrough extension is enabled or not.
+		/// </summary>
 		public bool HTCPassthroughExtensionEnabled
 		{
 			get { return m_HTCPassthroughExtensionEnabled; }
@@ -55,10 +64,118 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 
 		#region OpenXR Life Cycle
 		private bool m_XrInstanceCreated = false;
+		/// <summary>
+		/// The XR instance is created or not.
+		/// </summary>
 		public bool XrInstanceCreated
 		{
 			get { return m_XrInstanceCreated; }
 		}
+#if UNITY_STANDALONE
+		private static IntPtr xrGetInstanceProcAddr_prev;
+		private static IntPtr XrEndFrame_prev;
+		private static IntPtr XrWaitFrame_prev;
+		private static List<IntPtr> layerListOrigin = new List<IntPtr>();
+		private static List<IntPtr> layerListModified = new List<IntPtr>();
+		private static IntPtr layersModified = Marshal.AllocHGlobal((int)(Marshal.SizeOf(typeof(IntPtr)) * 30)); //Preallocate a layer buffer with sufficient size and reuse it for each frame.
+		protected override IntPtr HookGetInstanceProcAddr(IntPtr func)
+		{
+			UnityEngine.Debug.Log("EXT: registering our own xrGetInstanceProcAddr");
+			xrGetInstanceProcAddr_prev = func;
+			return Marshal.GetFunctionPointerForDelegate(Intercept_xrGetInstanceProcAddr);
+		}
+		[MonoPInvokeCallback(typeof(OpenXRHelper.xrGetInstanceProcAddrDelegate))]
+		private static XrResult InterceptXrEndFrame_xrGetInstanceProcAddr(XrInstance instance, string name, out IntPtr function)
+		{
+			if (xrGetInstanceProcAddr_prev == null || xrGetInstanceProcAddr_prev == IntPtr.Zero)
+			{
+				UnityEngine.Debug.LogError("xrGetInstanceProcAddr_prev is null");
+				function = IntPtr.Zero;
+				return XrResult.XR_ERROR_VALIDATION_FAILURE;
+			}
+
+			// Get delegate of old xrGetInstanceProcAddr.
+			var xrGetProc = Marshal.GetDelegateForFunctionPointer<OpenXRHelper.xrGetInstanceProcAddrDelegate>(xrGetInstanceProcAddr_prev);
+			XrResult result = xrGetProc(instance, name, out function);
+			if (name == "xrEndFrame")
+			{
+				XrEndFrame_prev = function;
+				m_intercept_xrEndFrame = intercepted_xrEndFrame;
+				function = Marshal.GetFunctionPointerForDelegate(m_intercept_xrEndFrame); ;
+				UnityEngine.Debug.Log("Getting xrEndFrame func");
+			}
+			if (name == "xrWaitFrame")
+			{
+				XrWaitFrame_prev = function;
+				m_intercept_xrWaitFrame = intercepted_xrWaitFrame;
+				function = Marshal.GetFunctionPointerForDelegate(m_intercept_xrWaitFrame); ;
+				UnityEngine.Debug.Log("Getting xrWaitFrame func");
+			}
+			return result;
+		}
+
+		[MonoPInvokeCallback(typeof(OpenXRHelper.xrEndFrameDelegate))]
+		private static XrResult intercepted_xrEndFrame(XrSession session, ref XrFrameEndInfo frameEndInfo)
+		{
+			XrResult res;
+			// Get delegate of prev xrEndFrame.
+			var xrEndFrame = Marshal.GetDelegateForFunctionPointer<OpenXRHelper.xrEndFrameDelegate>(XrEndFrame_prev);
+
+			layerListOrigin.Clear();
+			uint layerCount = frameEndInfo.layerCount;
+			IntPtr layers = frameEndInfo.layers;
+			for (int i = 0; i < layerCount; i++)
+			{
+				IntPtr ptr = Marshal.ReadIntPtr(layers, i * Marshal.SizeOf(typeof(IntPtr)));
+				XrCompositionLayerBaseHeader header = (XrCompositionLayerBaseHeader)Marshal.PtrToStructure(ptr, typeof(XrCompositionLayerBaseHeader));
+				layerListOrigin.Add(ptr);
+			}
+			List<IntPtr> layerListNew;
+			if (layerListModified.Count != 0)
+			{
+				layerListNew = new List<IntPtr>(layerListModified);
+			}
+			else
+			{
+				layerListNew = new List<IntPtr>(layerListOrigin);
+			}
+			for (int i = 0; i < layerListNew.Count; i++)
+			{
+				Marshal.WriteIntPtr(layersModified, i * Marshal.SizeOf(typeof(IntPtr)), layerListNew[i]);
+			}
+			frameEndInfo.layers = layersModified;
+			frameEndInfo.layerCount = (uint)layerListNew.Count;
+
+			res = xrEndFrame(session, ref frameEndInfo);
+			return res;
+		}
+		private static XrFrameWaitInfo m_frameWaitInfo;
+		private static XrFrameState m_frameState;
+		[MonoPInvokeCallback(typeof(OpenXRHelper.xrWaitFrameDelegate))]
+		private static int intercepted_xrWaitFrame(ulong session, ref XrFrameWaitInfo frameWaitInfo, ref XrFrameState frameState)
+		{
+			var xrWaitFrame = Marshal.GetDelegateForFunctionPointer<OpenXRHelper.xrWaitFrameDelegate>(XrWaitFrame_prev);
+			int res = xrWaitFrame(session, ref frameWaitInfo, ref frameState);
+			m_frameWaitInfo = frameWaitInfo;
+			m_frameState = frameState;
+			return res;
+		}
+		public void GetOriginEndFrameLayerList(out List<IntPtr> layers)
+		{
+			layers = new List<IntPtr>(layerListOrigin);
+		}
+
+		public void SubmitLayers(List<IntPtr> layers)
+		{
+			layerListModified = new List<IntPtr>(layers);
+			//UnityEngine.Debug.Log("####Update submit end " + layerListModified.Count);
+		}
+		public XrFrameState GetFrameState()
+		{
+			return m_frameState;
+		}
+#endif
+
 		private XrInstance m_XrInstance = 0;
 		protected override bool OnInstanceCreate(ulong xrInstance)
 		{
@@ -94,6 +211,9 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 		}
 
 		private bool m_XrSessionCreated = false;
+		/// <summary>
+		/// The XR session is created or not.
+		/// </summary>
 		public bool XrSessionCreated
 		{
 			get { return m_XrSessionCreated; }
@@ -107,6 +227,9 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 		}
 
 		private bool m_XrSessionEnding = false;
+		/// <summary>
+		/// The XR session is ending or not.
+		/// </summary>
 		public bool XrSessionEnding
 		{
 			get { return m_XrSessionEnding; }
@@ -239,13 +362,16 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 			DEBUG("OnSessionEnd() " + m_XrSession);
 		}
 
+		/// <summary>
+		/// The delegate of Passthrough Session Destroy.
+		/// </summary>
 		public delegate void OnPassthroughSessionDestroyDelegate(int passthroughID);
 		private Dictionary<int, OnPassthroughSessionDestroyDelegate> OnPassthroughSessionDestroyHandlerDictionary = new Dictionary<int, OnPassthroughSessionDestroyDelegate>();
 		protected override void OnSessionDestroy(ulong xrSession)
 		{
 			m_XrSessionCreated = false;
 			DEBUG("OnSessionDestroy() " + xrSession);
-
+#if UNITY_ANDROID
 			//Notify that all passthrough layers should be destroyed
 			List<int> currentPassthroughIDs = PassthroughIDList;
 			foreach (int passthroughID in currentPassthroughIDs)
@@ -254,7 +380,15 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 
 				OnPassthroughSessionDestroyHandler?.Invoke(passthroughID);
 			}
-
+#endif
+#if UNITY_STANDALONE
+			//Notify that all passthrough layers should be destroyed
+			List<XrPassthroughHTC> currentPassthroughs = PassthroughList;
+			foreach (XrPassthroughHTC passthrough in currentPassthroughs)
+			{
+				DestroyPassthroughHTC(passthrough);
+			}
+#endif
 			if (m_HeadLockSpace != 0)
 			{
 				DestroySpace(m_HeadLockSpace);
@@ -272,6 +406,9 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 			}
 		}
 
+		/// <summary>
+		/// The current XR session state.
+		/// </summary>
 		public XrSessionState XrSessionCurrentState
 		{
 			get { return m_XrSessionNewState; }
@@ -306,9 +443,18 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 #region OpenXR function delegates
 		/// xrGetInstanceProcAddr
 		OpenXRHelper.xrGetInstanceProcAddrDelegate XrGetInstanceProcAddr;
-
+#if UNITY_STANDALONE
+		OpenXRHelper.xrGetInstanceProcAddrDelegate Intercept_xrGetInstanceProcAddr =
+			new OpenXRHelper.xrGetInstanceProcAddrDelegate(InterceptXrEndFrame_xrGetInstanceProcAddr);
+#endif
+		private static OpenXRHelper.xrEndFrameDelegate m_intercept_xrEndFrame;
+		private static OpenXRHelper.xrWaitFrameDelegate m_intercept_xrWaitFrame;
 		/// xrGetSystemProperties
 		OpenXRHelper.xrGetSystemPropertiesDelegate xrGetSystemProperties;
+		/// <summary>
+		/// Helper function to get this feature' properties.
+		/// See <see href="https://registry.khronos.org/OpenXR/specs/1.0/html/xrspec.html#xrGetSystemProperties">xrGetSystemProperties</see>
+		/// </summary>
 		public XrResult GetSystemProperties(ref XrSystemProperties properties)
 		{
 			if (m_XrInstanceCreated)
@@ -335,6 +481,10 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 
 		/// xrCreateReferenceSpace
 		OpenXRHelper.xrCreateReferenceSpaceDelegate xrCreateReferenceSpace;
+		/// <summary>
+		/// Creates a reference space
+		/// See <see href="https://registry.khronos.org/OpenXR/specs/1.0/man/html/xrCreateReferenceSpace.html">xrCreateReferenceSpace</see>
+		/// </summary>
 		public XrResult CreateReferenceSpace(ref XrReferenceSpaceCreateInfo createInfo, out XrSpace space)
 		{
 			if (!m_XrSessionCreated)
@@ -356,7 +506,55 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 			}
 			return XrResult.XR_ERROR_REFERENCE_SPACE_UNSUPPORTED;
 		}
+#if UNITY_STANDALONE
+		private List<XrPassthroughHTC> passthroughList = new List<XrPassthroughHTC>();
+		public List<XrPassthroughHTC> PassthroughList { get { return new List<XrPassthroughHTC>(passthroughList); } }
+		ViveCompositionLayerHelper.xrCreatePassthroughHTCDelegate xrCreatePassthroughHTC;
+		public XrResult CreatePassthroughHTC(XrPassthroughCreateInfoHTC createInfo, out XrPassthroughHTC passthrough)
+		{
+			if (!m_XrSessionCreated)
+			{
+				ERROR("CreatePassthroughHTC() XR_ERROR_SESSION_LOST.");
+				passthrough = 0;
+				return XrResult.XR_ERROR_SESSION_LOST;
+			}
+			if (!m_XrInstanceCreated)
+			{
+				ERROR("CreatePassthroughHTC() XR_ERROR_INSTANCE_LOST.");
+				passthrough = 0;
+				return XrResult.XR_ERROR_INSTANCE_LOST;
+			}
 
+			XrResult res = xrCreatePassthroughHTC(m_XrSession, createInfo, out passthrough);
+			if (res == XrResult.XR_SUCCESS)
+				passthroughList.Add(passthrough);
+			else
+				ERROR("CreatePassthroughHTC() "+res);
+			return res;
+		}
+
+		ViveCompositionLayerHelper.xrDestroyPassthroughHTCDelegate xrDestroyPassthroughHTC;
+		public XrResult DestroyPassthroughHTC(XrPassthroughHTC passthrough)
+		{
+			DEBUG("Entry");
+			XrResult res = xrDestroyPassthroughHTC(passthrough);
+			if (res == XrResult.XR_SUCCESS)
+			{
+				passthroughList.Remove(passthrough);
+			}
+			return res;
+		}
+		/// <summary>
+		/// According to XRInputSubsystem's tracking origin mode, return the corresponding XrSpace.
+		/// </summary>
+		/// <returns></returns>
+		public XrSpace GetTrackingSpace()
+		{
+			var s = GetCurrentAppSpace();
+			Debug.Log("VivePassthrough GetTrackingSpace() s=" + s);
+			return s;
+		}
+#endif
 		private bool GetXrFunctionDelegates(XrInstance xrInstance)
         {
             /// xrGetInstanceProcAddr
@@ -438,7 +636,41 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 				ERROR("xrDestroySpace");
 				return false;
 			}
-
+#if UNITY_STANDALONE
+			/// xrCreatePassthroughHTC
+			if (XrGetInstanceProcAddr(xrInstance, "xrCreatePassthroughHTC", out funcPtr) == XrResult.XR_SUCCESS)
+			{
+				if (funcPtr != IntPtr.Zero)
+				{
+					DEBUG("Get function pointer of xrCreatePassthroughHTC.");
+					xrCreatePassthroughHTC = Marshal.GetDelegateForFunctionPointer(
+						funcPtr,
+						typeof(ViveCompositionLayerHelper.xrCreatePassthroughHTCDelegate)) as ViveCompositionLayerHelper.xrCreatePassthroughHTCDelegate;
+				}
+			}
+			else
+			{
+				ERROR("xrCreatePassthroughHTC");
+				return false;
+			}
+			/// xrCreatePassthroughHTC
+			if (XrGetInstanceProcAddr(xrInstance, "xrDestroyPassthroughHTC", out funcPtr) == XrResult.XR_SUCCESS)
+			{
+				if (funcPtr != IntPtr.Zero)
+				{
+					DEBUG("Get function pointer of xrDestroyPassthroughHTC.");
+					xrDestroyPassthroughHTC = Marshal.GetDelegateForFunctionPointer(
+						funcPtr,
+						typeof(ViveCompositionLayerHelper.xrDestroyPassthroughHTCDelegate)) as ViveCompositionLayerHelper.xrDestroyPassthroughHTCDelegate;
+				}
+			}
+			else
+			{
+				ERROR("xrDestroyPassthroughHTC");
+				return false;
+			}
+#endif
+#if UNITY_ANDROID
 			if (HTCPassthrough_GetFuncAddrs(xrInstance, xrGetInstanceProcAddr) == XrResult.XR_SUCCESS)
 			{
 				DEBUG("Get function pointers in native.");
@@ -448,7 +680,7 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 				ERROR("HTCPassthrough_GetFuncAddrs");
 				return false;
 			}
-
+#endif
 			return true;
         }
 #endregion
@@ -457,6 +689,9 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 		private const string ExtLib = "viveopenxr";
 		[DllImportAttribute(ExtLib, EntryPoint = "htcpassthrough_CreatePassthrough")]
 		private static extern int VIVEOpenXR_HTCPassthrough_CreatePassthrough(XrSession session, LayerType layerType, PassthroughLayerForm layerForm, uint compositionDepth = 0);
+		/// <summary>
+		/// Create Passthrough.
+		/// </summary>
 		public int HTCPassthrough_CreatePassthrough(LayerType layerType, PassthroughLayerForm layerForm, OnPassthroughSessionDestroyDelegate onDestroyPassthroughHandler, uint compositionDepth = 0)
 		{
 			if (!m_XrSessionCreated || m_XrSession == 0)
@@ -484,6 +719,9 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 
 		[DllImportAttribute(ExtLib, EntryPoint = "htcpassthrough_SetAlpha")]
 		private static extern bool VIVEOpenXR_HTCPassthrough_SetAlpha(int passthroughID, float alpha);
+		/// <summary>
+		/// Set Passthough Alpha.
+		/// </summary>
 		public bool HTCPassthrough_SetAlpha(int passthroughID, float alpha)
 		{
 			if (!HTCPassthroughExtensionEnabled)
@@ -497,6 +735,9 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 
 		[DllImportAttribute(ExtLib, EntryPoint = "htcpassthrough_SetLayerType")]
 		private static extern bool VIVEOpenXR_HTCPassthrough_SetLayerType(int passthroughID, LayerType layerType, uint compositionDepth = 0);
+		/// <summary>
+		/// Set Passthough Layer Type.
+		/// </summary>
 		public bool HTCPassthrough_SetLayerType(int passthroughID, LayerType layerType, uint compositionDepth = 0)
 		{
 			if (!HTCPassthroughExtensionEnabled)
@@ -510,6 +751,9 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 
 		[DllImportAttribute(ExtLib, EntryPoint = "htcpassthrough_SetMesh")]
 		private static extern bool VIVEOpenXR_HTCPassthrough_SetMesh(int passthroughID, uint vertexCount, [In, Out] XrVector3f[] vertexBuffer, uint indexCount, [In, Out] uint[] indexBuffer);
+		/// <summary>
+		/// Set Passthough Mesh.
+		/// </summary>
 		public bool HTCPassthrough_SetMesh(int passthroughID, uint vertexCount, [In, Out] XrVector3f[] vertexBuffer, uint indexCount, [In, Out] uint[] indexBuffer)
 		{
 			if (!HTCPassthroughExtensionEnabled)
@@ -523,6 +767,9 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 
 		[DllImportAttribute(ExtLib, EntryPoint = "htcpassthrough_SetMeshTransform")]
 		private static extern bool VIVEOpenXR_HTCPassthrough_SetMeshTransform(int passthroughID, XrSpace meshSpace, XrPosef meshPose, XrVector3f meshScale);
+		/// <summary>
+		/// Set Passthough Mesh Transform.
+		/// </summary>
 		public bool HTCPassthrough_SetMeshTransform(int passthroughID, XrSpace meshSpace, XrPosef meshPose, XrVector3f meshScale)
 		{
 			if (!HTCPassthroughExtensionEnabled)
@@ -536,6 +783,9 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 
 		[DllImportAttribute(ExtLib, EntryPoint = "htcpassthrough_SetMeshTransformSpace")]
 		private static extern bool VIVEOpenXR_HTCPassthrough_SetMeshTransformSpace(int passthroughID, XrSpace meshSpace);
+		/// <summary>
+		/// Set Passthough Mesh Transform Space.
+		/// </summary>
 		public bool HTCPassthrough_SetMeshTransformSpace(int passthroughID, XrSpace meshSpace)
 		{
 			if (!HTCPassthroughExtensionEnabled)
@@ -549,6 +799,9 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 
 		[DllImportAttribute(ExtLib, EntryPoint = "htcpassthrough_SetMeshTransformPosition")]
 		private static extern bool VIVEOpenXR_HTCPassthrough_SetMeshTransformPosition(int passthroughID, XrVector3f meshPosition);
+		/// <summary>
+		/// Set Passthough Mesh Transform Position.
+		/// </summary>
 		public bool HTCPassthrough_SetMeshTransformPosition(int passthroughID, XrVector3f meshPosition)
 		{
 			if (!HTCPassthroughExtensionEnabled)
@@ -562,6 +815,9 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 
 		[DllImportAttribute(ExtLib, EntryPoint = "htcpassthrough_SetMeshTransformOrientation")]
 		private static extern bool VIVEOpenXR_HTCPassthrough_SetMeshTransformOrientation(int passthroughID, XrQuaternionf meshOrientation);
+		/// <summary>
+		/// Set Passthough Mesh Transform orientation.
+		/// </summary>
 		public bool HTCPassthrough_SetMeshTransformOrientation(int passthroughID, XrQuaternionf meshOrientation)
 		{
 			if (!HTCPassthroughExtensionEnabled)
@@ -575,6 +831,9 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 
 		[DllImportAttribute(ExtLib, EntryPoint = "htcpassthrough_SetMeshTransformScale")]
 		private static extern bool VIVEOpenXR_HTCPassthrough_SetMeshTransformScale(int passthroughID, XrVector3f meshScale);
+		/// <summary>
+		/// Set Passthough Mesh Transform scale.
+		/// </summary>
 		public bool HTCPassthrough_SetMeshTransformScale(int passthroughID, XrVector3f meshScale)
 		{
 			if (!HTCPassthroughExtensionEnabled)
@@ -588,6 +847,9 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 
 		[DllImportAttribute(ExtLib, EntryPoint = "htcpassthrough_DestroyPassthrough")]
 		private static extern bool VIVEOpenXR_HTCPassthrough_DestroyPassthrough(int passthroughID);
+		/// <summary>
+		/// Destroy Passthough.
+		/// </summary>
 		public bool HTCPassthrough_DestroyPassthrough(int passthroughID)
 		{
 			if (!HTCPassthroughExtensionEnabled)
@@ -626,7 +888,9 @@ namespace VIVE.OpenXR.CompositionLayer.Passthrough
 #endregion
 
 #region Helper Funcs
-
+		/// <summary>
+		/// Helper function to get XrSpace from space type.
+		/// </summary>
 		public XrSpace GetXrSpaceFromSpaceType(ProjectedPassthroughSpaceType spaceType)
 		{
 			XrSpace meshSpace = 0;

com.htc.upm.vive.openxr/Runtime/Features/Foveation/Scripts/ViveFoveation.cs

@@ -19,7 +19,7 @@ namespace VIVE.OpenXR
 		Desc = "Support the HTC foveation extension.",
 		Company = "HTC",
 		DocumentationLink = "..\\Documentation",
-		OpenxrExtensionStrings = "XR_HTC_foveation",
+		OpenxrExtensionStrings = kOpenxrExtensionString,
 		Version = "1.0.0",
 		BuildTargetGroups = new[] { BuildTargetGroup.Android },
         FeatureId = featureId
@@ -27,6 +27,11 @@ namespace VIVE.OpenXR
 #endif
     public class ViveFoveation : OpenXRFeature
     {
+		const string LOG_TAG = "VIVE.OpenXR.ViveFoveation";
+		void DEBUG(string msg) { Debug.Log(LOG_TAG + " " + msg); }
+		void WARNING(string msg) { Debug.LogWarning(LOG_TAG + " " + msg); }
+		void ERROR(string msg) { Debug.LogError(LOG_TAG + " " + msg); }
+
 		/// <summary>
 		/// Flag bits for XrFoveationDynamicFlagsHTC
 		/// </summary>
@@ -39,6 +44,31 @@ namespace VIVE.OpenXR
 		/// </summary>
 		public const string featureId = "vive.openxr.feature.foveation";
 
+		/// <summary>
+		/// OpenXR specification <see href="https://registry.khronos.org/OpenXR/specs/1.0/html/xrspec.html#XR_HTC_foveation">12.90. XR_HTC_foveation</see>.
+		/// </summary>
+		public const string kOpenxrExtensionString = "XR_HTC_foveation";
+
+		#region OpenXR Life Cycle
+		/// <summary>
+		/// Called when <see href="https://registry.khronos.org/OpenXR/specs/1.0/html/xrspec.html#xrCreateInstance">xrCreateInstance</see> is done.
+		/// </summary>
+		/// <param name="xrInstance">The created instance.</param>
+		/// <returns>True for valid <see cref="XrInstance">XrInstance</see></returns>
+		protected override bool OnInstanceCreate(ulong xrInstance)
+		{
+			if (!OpenXRRuntime.IsExtensionEnabled(kOpenxrExtensionString))
+			{
+				WARNING("OnInstanceCreate() " + kOpenxrExtensionString + " is NOT enabled.");
+				return false;
+			}
+
+			DEBUG("OnInstanceCreate() " + xrInstance);
+
+			return true;
+		}
+		#endregion
+
 		protected override IntPtr HookGetInstanceProcAddr(IntPtr func)
 		{
 			Debug.Log("EXT: registering our own xrGetInstanceProcAddr");

com.htc.upm.vive.openxr/Runtime/Features/Hand/Tracking/Scripts/ViveHandTracking.cs

@@ -334,8 +334,7 @@ namespace VIVE.OpenXR.Hand
         /// </summary>
         /// <param name="properties">Points to an instance of the XrSystemProperties structure, that will be filled with returned information.</param>
         /// <returns>XR_SUCCESS for success.</returns>
-        [Obsolete("This function will become private in next release")]
+        private XrResult GetSystemProperties(ref XrSystemProperties properties)
-        public XrResult GetSystemProperties(ref XrSystemProperties properties)
         {
             if (!m_XrSessionCreated)
             {
@@ -360,8 +359,7 @@ namespace VIVE.OpenXR.Hand
         /// <param name="spaceCountOutput">A pointer to the count of spaces written, or a pointer to the required capacity in the case that spaceCapacityInput is insufficient.</param>
         /// <param name="spaces">A pointer to an application-allocated array that will be filled with the enumerant of each supported reference space. It can be NULL if spaceCapacityInput is 0.</param>
         /// <returns>XR_SUCCESS for success.</returns>
-        [Obsolete("This function will become private in next release")]
+        private XrResult EnumerateReferenceSpaces(UInt32 spaceCapacityInput, out UInt32 spaceCountOutput, out XrReferenceSpaceType spaces)
-        public XrResult EnumerateReferenceSpaces(UInt32 spaceCapacityInput, out UInt32 spaceCountOutput, out XrReferenceSpaceType spaces)
         {
             if (!m_XrSessionCreated)
             {
@@ -389,8 +387,7 @@ namespace VIVE.OpenXR.Hand
         /// <param name="createInfo">The XrReferenceSpaceCreateInfo used to specify the space.</param>
         /// <param name="space">The returned XrSpace handle.</param>
         /// <returns>XR_SUCCESS for success.</returns>
-        [Obsolete("This function will become private in next release")]
+        private XrResult CreateReferenceSpace(ref XrReferenceSpaceCreateInfo createInfo, out XrSpace space)
-        public XrResult CreateReferenceSpace(ref XrReferenceSpaceCreateInfo createInfo, out XrSpace space)
         {
             if (!m_XrSessionCreated)
             {
@@ -415,8 +412,7 @@ namespace VIVE.OpenXR.Hand
         /// </summary>
         /// <param name="space">Must be a valid XrSpace handle.</param>
         /// <returns>XR_SUCCESS for success.</returns>
-        [Obsolete("This function will become private in next release")]
+        private XrResult DestroySpace(XrSpace space)
-        public XrResult DestroySpace(XrSpace space)
         {
             if (!m_XrSessionCreated)
             {
@@ -761,6 +757,11 @@ namespace VIVE.OpenXR.Hand
         private XrHandJointLocationEXT[] jointLocationsR = new XrHandJointLocationEXT[(int)XrHandJointEXT.XR_HAND_JOINT_MAX_ENUM_EXT];
         private XrHandJointLocationsEXT locations = new XrHandJointLocationsEXT(XrStructureType.XR_TYPE_HAND_JOINT_LOCATIONS_EXT, IntPtr.Zero, false, 0, IntPtr.Zero);
 
+        /// <summary>
+        /// Retrieves the <see cref="XrSpace"> XrSpace </see> used in Hand Tracking.
+        /// </summary>
+        /// <param name="space">Tracking space in <see cref="XrSpace"> XrSpace </see>.</param>
+        /// <returns>True for valid data.</returns>
         public bool GetHandTrackingSpace(out XrSpace space)
         {
             space = 0;

com.htc.upm.vive.openxr/Runtime/Features/PathEnumerate/Scripts/VivePathEnumeration.cs

@@ -194,37 +194,32 @@ namespace VIVE.OpenXR
 
         public bool GetUserPaths(string interactionProfileString, out XrPath[] userPaths)
         {
+            userPaths = null;
             XrPathsForInteractionProfileEnumerateInfoHTC enumerateInfo;
-            if (!m_XrInstanceCreated) { userPaths = null; return false; }
+            if (!m_XrInstanceCreated) { return false; }
 
             string func = "GetUserPaths() ";
 
             if (xrEnumeratePathsForInteractionProfileHTC == null)
             {
-                sb.Clear().Append(LOG_TAG).Append(func)
+                sb.Clear().Append(LOG_TAG).Append(func).Append("No function pointer of xrEnumeratePathsForInteractionProfileHTC"); WARNING(sb);
-                    .Append("No function pointer of xrEnumeratePathsForInteractionProfileHTC"); WARNING(sb);
-                userPaths = null;
                 return false;
             }
+
             // 1. Get user path count of sepecified profile.
             UInt32 trackerCount = 0;
-            enumerateInfo.type = (XrStructureType)1000319000;//Todo : update openxr spec to prevent hot code.
+            enumerateInfo.type = XrStructureType.XR_TYPE_UNKNOWN;
             enumerateInfo.next = IntPtr.Zero;
             enumerateInfo.interactionProfile = StringToPath(interactionProfileString);
             enumerateInfo.userPath = OpenXRHelper.XR_NULL_PATH;
 
             XrResult result = xrEnumeratePathsForInteractionProfileHTC(m_XrInstance, ref enumerateInfo, 0, ref trackerCount, null);
-            if (result != XrResult.XR_SUCCESS)
+            sb.Clear().Append(LOG_TAG).Append(func).Append("xrEnumeratePathsForInteractionProfileHTC result: ").Append(result)
-            {
+                .Append(", profile: ").Append(interactionProfileString)
-                sb.Clear().Append(LOG_TAG).Append(func)
+                .Append(", trackerCount: ").Append(trackerCount);
-                    .Append("Retrieves trackerCount failed."); ERROR(sb);
+            DEBUG(sb);
-                userPaths = null;
+            if (result != XrResult.XR_SUCCESS || trackerCount <= 0) { return false; }
-                return false;
+
-            }
-            //sb.Clear().Append(LOG_TAG).Append(func)
-            //    .Append("Get profile ").Append(interactionProfileString).Append(" user path count: ").Append(trackerCount); DEBUG(sb);
-            if (trackerCount > 0)
-            {
             // 2. Get user paths of sepecified profile.
             List<XrPath> trackerList = CreateList<XrPath>(trackerCount, OpenXRHelper.XR_NULL_PATH);
             XrPath[] trackers = trackerList.ToArray();
@@ -236,20 +231,13 @@ namespace VIVE.OpenXR
                 paths: trackers);
             if (result != XrResult.XR_SUCCESS)
             {
-                    sb.Clear().Append(LOG_TAG).Append(func)
+                sb.Clear().Append(LOG_TAG).Append(func).Append("Retrieves trackers failed."); ERROR(sb);
-                        .Append("Retrieves trackers failed."); ERROR(sb);
-                    userPaths = null;
                 return false;
             }
+
             userPaths = trackers;
             return true;
         }
-            else
-            {
-                userPaths = null;
-                return false;
-            }
-        }
 
         public bool GetInputPathsWithUserPath(string interactionProfileString, XrPath userPath, out XrPath[] inputPaths)
         {

com.htc.upm.vive.openxr/Runtime/OpenXRUtils.cs

@@ -319,6 +319,10 @@ namespace VIVE.OpenXR
 		XR_TYPE_PLANE_DETECTOR_LOCATION_EXT = 1000429005,
 		XR_TYPE_PLANE_DETECTOR_POLYGON_BUFFER_EXT = 1000429006,
         XR_TYPE_SYSTEM_PLANE_DETECTION_PROPERTIES_EXT = 1000429007,
+        XR_TYPE_PASSTHROUGH_CREATE_INFO_HTC = 1000317001,
+        XR_TYPE_PASSTHROUGH_COLOR_HTC = 1000317002,
+        XR_TYPE_PASSTHROUGH_MESH_TRANSFORM_INFO_HTC = 1000317003,
+        XR_TYPE_COMPOSITION_LAYER_PASSTHROUGH_HTC = 1000317004,
         XR_TYPE_SYSTEM_ANCHOR_PROPERTIES_HTC = 1000319000,
         XR_TYPE_SPATIAL_ANCHOR_CREATE_INFO_HTC = 1000319001,
         XR_STRUCTURE_TYPE_MAX_ENUM = 0x7FFFFFFF
@@ -2007,6 +2011,48 @@ namespace VIVE.OpenXR
         /// </summary>
         public bool shouldRender;
     }
+
+    /// <summary>
+    /// A structure indicates the XrFrameEndInfo .
+    /// </summary>
+    public struct XrFrameEndInfo
+    {
+        /// <summary>
+        /// The <see cref="XrStructureType">XrStructureType</see> of this structure.
+        /// </summary>
+        public XrStructureType type;
+        /// <summary>
+        /// next is NULL or a pointer to the next structure in a structure chain. No such structures are defined in core OpenXR.
+        /// </summary>
+        public IntPtr next;
+        /// <summary>
+        /// displayTime is the XrTime at which this frame should be displayed.
+        /// </summary>
+        public XrTime displayTime;
+        /// <summary>
+        /// environmentBlendMode is the XrEnvironmentBlendMode value representing the desired environment blend mode for this frame.
+        /// </summary>
+        public XrEnvironmentBlendMode environmentBlendMode;
+        /// <summary>
+        /// layerCount is the number of composition layers in this frame. The maximum supported layer count is identified by XrSystemGraphicsProperties::maxLayerCount.
+        /// </summary>
+        public uint layerCount;
+        /// <summary>
+        /// layers is a pointer to an array of XrCompositionLayerBaseHeader pointers.
+        /// </summary>
+        public IntPtr layers;
+
+        public XrFrameEndInfo(XrStructureType type_,IntPtr next_, XrTime displayTime_, XrEnvironmentBlendMode environmentBlendMode_
+            ,uint layerCount_, IntPtr layers_)
+        {
+            next = next_;
+            type = type_;
+            displayTime = displayTime_;
+            environmentBlendMode = environmentBlendMode_;
+            layerCount = layerCount_;
+            layers = layers_;
+        }
+    }
     public static class OpenXRHelper
     {
         /// <summary>
@@ -2449,7 +2495,7 @@ namespace VIVE.OpenXR
         /// <param name="frameState">frameState is a pointer to a valid XrFrameState, an output parameter.</param>
         /// <returns></returns>
         public delegate int xrWaitFrameDelegate(ulong session, ref XrFrameWaitInfo frameWaitInfo, ref XrFrameState frameState);
-
+        public delegate XrResult xrEndFrameDelegate(XrSession session, ref XrFrameEndInfo frameEndInfo);
         /// <summary>
         /// Help call xrGetInstanceProcAddr and convert the result to delegate.\
         /// For example, "OpenXRHelper.GetXrFunctionDelegate(GetAddr, xrInstance, "xrGetSystemProperties", out XrGetSystemProperties);"

com.htc.upm.vive.openxr/Runtime/Profiles/XR_HTC_passthrough.cs

@@ -0,0 +1,66 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using VIVE.OpenXR.CompositionLayer;
+using VIVE.OpenXR.CompositionLayer.Passthrough;
+
+namespace VIVE.OpenXR
+{
+    public class XR_HTC_passthrough_defs
+    {
+        public virtual XrResult xrCreatePassthroughHTC(XrPassthroughCreateInfoHTC createInfo, out XrPassthroughHTC passthrough)
+        {
+            passthrough = 0;
+            return XrResult.XR_ERROR_RUNTIME_FAILURE;
+        }
+        public virtual XrResult xrDestroyPassthroughHTC(XrPassthroughHTC passthrough)
+        {
+            return XrResult.XR_ERROR_RUNTIME_FAILURE;
+        }
+
+        public virtual void GetOriginEndFrameLayerList(out List<IntPtr> layers)
+        {
+            layers = new List<IntPtr>();
+        }
+
+        public virtual void SubmitLayers(List<IntPtr> layers)
+        {
+        }
+        public virtual XrSpace GetTrackingSpace()
+        {
+            return 0;
+        }
+
+        public virtual XrFrameState GetFrameState()
+        {
+            return new XrFrameState();
+        }
+
+    }
+    public static class XR_HTC_passthrough
+    {
+        static XR_HTC_passthrough_defs m_Instance = null;
+        public static XR_HTC_passthrough_defs Interop
+        {
+            get
+            {
+                if (m_Instance == null)
+                {
+                    m_Instance = new XR_HTC_passthrough_impls();
+                }
+                return m_Instance;
+            }
+        }
+
+        public static XrResult xrCreatePassthroughHTC(XrPassthroughCreateInfoHTC createInfo, out XrPassthroughHTC passthrough) 
+        { 
+            return Interop.xrCreatePassthroughHTC(createInfo,out passthrough); 
+        }
+        public static XrResult xrDestroyPassthroughHTC(XrPassthroughHTC passthrough) 
+        { 
+            return Interop.xrDestroyPassthroughHTC(passthrough); 
+        }
+    }
+}
+

com.htc.upm.vive.openxr/Runtime/Profiles/XR_HTC_passthrough.cs.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: ba0bbb9482b5a5d479cf11f2253cdc3e
+guid: 099596ee936f4724f866de5335ef9cf6
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

com.htc.upm.vive.openxr/Runtime/Profiles/XR_HTC_passthrough_impls.cs

@@ -0,0 +1,87 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.XR.OpenXR;
+using VIVE.OpenXR.CompositionLayer;
+using VIVE.OpenXR.CompositionLayer.Passthrough;
+
+namespace VIVE.OpenXR
+{
+    public class XR_HTC_passthrough_impls : XR_HTC_passthrough_defs
+    {
+        const string LOG_TAG = "VIVE.OpenXR.XR_HTC_passthrough_impls";
+        void DEBUG(string msg) { Debug.Log(LOG_TAG + " " + msg); }
+        public XR_HTC_passthrough_impls() { DEBUG("XR_HTC_passthrough_impls()"); }
+        private ViveCompositionLayerPassthrough feature = null;
+
+        private void ASSERT_FEATURE()
+        {
+            if (feature == null) { feature = OpenXRSettings.Instance.GetFeature<ViveCompositionLayerPassthrough>(); }
+        }
+
+        public override XrResult xrCreatePassthroughHTC(XrPassthroughCreateInfoHTC createInfo, out XrPassthroughHTC passthrough)
+        {
+            XrResult result = XrResult.XR_ERROR_VALIDATION_FAILURE;
+            passthrough = 0;
+            ASSERT_FEATURE();
+#if UNITY_STANDALONE
+            if(feature)
+                result =  feature.CreatePassthroughHTC(createInfo,out passthrough);
+#endif
+            return result;
+        }
+        public override XrResult xrDestroyPassthroughHTC(XrPassthroughHTC passthrough)
+        {
+            XrResult result = XrResult.XR_ERROR_VALIDATION_FAILURE;
+            ASSERT_FEATURE();
+#if UNITY_STANDALONE
+            if(feature)
+                result =  feature.DestroyPassthroughHTC(passthrough);
+#endif
+            return result;
+        }
+
+        public override void GetOriginEndFrameLayerList(out List<IntPtr> layers)
+        {
+            ASSERT_FEATURE();
+            layers = new List<IntPtr>();
+#if UNITY_STANDALONE
+            if (feature)
+                feature.GetOriginEndFrameLayerList(out layers);
+
+            else
+                layers = new List<IntPtr>();
+#endif
+        }
+        public override void SubmitLayers(List<IntPtr> layers)
+        {
+            ASSERT_FEATURE();
+#if UNITY_STANDALONE
+            if (feature)
+                feature.SubmitLayers(layers);
+#endif
+        }
+
+        public override XrSpace GetTrackingSpace()
+        {
+            ASSERT_FEATURE();
+#if UNITY_STANDALONE
+            if (feature)
+                return feature.GetTrackingSpace();
+#endif
+            return 0;
+        }
+
+        public override XrFrameState GetFrameState()
+        {
+            ASSERT_FEATURE();
+#if UNITY_STANDALONE
+            if (feature)
+                return feature.GetFrameState();
+#endif
+            return new XrFrameState();
+        }
+    }
+}
+

com.htc.upm.vive.openxr/Runtime/Profiles/XR_HTC_passthrough_impls.cs.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: b9b8d210c92da6a49ac85755f7b15cbb
+guid: 97968beb8cc921d4cbebb8e3a2bc3d6c
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

com.htc.upm.vive.openxr/Runtime/Toolkits/PlaneDetection/Scripts/PlaneDetectionManager.cs

@@ -94,7 +94,12 @@ namespace VIVE.OpenXR.Toolkits.PlaneDetection
 		IntPtr planeDetector = IntPtr.Zero;
 		VivePlaneDetection feature = null;
 
-		public PlaneDetector(IntPtr pd, VivePlaneDetection f)
+		/// <summary>
+		/// Should not create PlaneDetector directly.  Use <see cref="PlaneDetectionManager.CreatePlaneDetector" /> instead.
+		/// </summary>
+		/// <param name="pd">The native handle of plane detector</param>
+		/// <param name="f">the feature</param>
+		internal PlaneDetector(IntPtr pd, VivePlaneDetection f)
 		{
 			feature = f;
 			planeDetector = pd;
@@ -342,6 +347,7 @@ namespace VIVE.OpenXR.Toolkits.PlaneDetection
 
 		/// <summary>
 		/// Plane detector is a session of detect plane.  You don't need to create multiple plane detector in VIVE's implemention.  You need destroy it.
+		/// Should call <see cref="IsSupported"/> first to check if the feature is supported.
 		/// </summary>
 		/// <returns>PlaneDetector's handle</returns>
 		public static PlaneDetector CreatePlaneDetector()
@@ -349,6 +355,8 @@ namespace VIVE.OpenXR.Toolkits.PlaneDetection
 			CheckFeature();
 			if (feature == null)
 				return null;
+			if (IsSupported() == false)
+				return null;
 
 			var createInfo = MakeXrPlaneDetectorCreateInfoEXT();
 			var ret = feature.CreatePlaneDetector(createInfo, out var planeDetector);

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Editor/HandGrabInteractableEditor.cs

@@ -0,0 +1,382 @@
+// "Wave SDK 
+// © 2020 HTC Corporation. All Rights Reserved.
+//
+// Unless otherwise required by copyright law and practice,
+// upon the execution of HTC SDK license agreement,
+// HTC grants you access to and use of the Wave SDK(s).
+// You shall fully comply with all of HTC’s SDK license agreement terms and
+// conditions signed by you and all SDK and API requirements,
+// specifications, and documentation provided by HTC to You."
+
+using UnityEngine;
+using System;
+
+#if UNITY_EDITOR
+using UnityEditor;
+using UnityEditorInternal;
+namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
+{
+	[CustomEditor(typeof(HandGrabInteractable))]
+	public class HandGrabInteractableEditor : UnityEditor.Editor
+	{
+		private static HandGrabInteractable activeGrabbable = null;
+		private HandGrabInteractable handGrabbable = null;
+		private SerializedProperty m_IsGrabbable, m_FingerRequirement, m_Rigidbody, m_GrabPoses, m_ShowAllIndicator, m_OnBeginGrabbed, m_OnEndGrabbed,
+			m_OneHandContraintMovement, m_PreviewIndex, grabPoseName, gestureThumbPose, gestureIndexPose, gestureMiddlePose, gestureRingPose, gesturePinkyPose,
+			recordedGrabRotations, isLeft, enableIndicator, autoIndicator, indicatorObject, grabOffset;
+		private ReorderableList grabPoseList;
+		private bool showGrabPoses = false;
+		private bool showConstraint = false;
+		private bool showEvent = false;
+
+		private void OnEnable()
+		{
+			handGrabbable = target as HandGrabInteractable;
+
+			m_IsGrabbable = serializedObject.FindProperty("m_IsGrabbable");
+			m_FingerRequirement = serializedObject.FindProperty("m_FingerRequirement");
+			m_Rigidbody = serializedObject.FindProperty("m_Rigidbody");
+			m_GrabPoses = serializedObject.FindProperty("m_GrabPoses");
+			m_ShowAllIndicator = serializedObject.FindProperty("m_ShowAllIndicator");
+			m_OnBeginGrabbed = serializedObject.FindProperty("m_OnBeginGrabbed");
+			m_OnEndGrabbed = serializedObject.FindProperty("m_OnEndGrabbed");
+			m_OneHandContraintMovement = serializedObject.FindProperty("m_OneHandContraintMovement");
+			m_PreviewIndex = serializedObject.FindProperty("m_PreviewIndex");
+
+			#region ReorderableList
+			grabPoseList = new ReorderableList(serializedObject, m_GrabPoses, true, true, true, true);
+
+			grabPoseList.drawHeaderCallback = (Rect rect) =>
+			{
+				EditorGUI.LabelField(rect, "Grab Pose List");
+			};
+
+			grabPoseList.drawElementCallback = (Rect rect, int index, bool isActive, bool isFocused) =>
+			{
+				if (!UpdateGrabPose(m_GrabPoses.GetArrayElementAtIndex(index))) { return; }
+
+				if (string.IsNullOrEmpty(grabPoseName.stringValue))
+				{
+					grabPoseName.stringValue = $"Grab Pose {index + 1}";
+				}
+
+				Rect elementRect = new Rect(rect.x, rect.y, rect.width, EditorGUIUtility.singleLineHeight);
+				grabPoseName.stringValue = EditorGUI.TextField(elementRect, grabPoseName.stringValue);
+
+				DrawGrabGesture(ref elementRect);
+				DrawHandedness(ref elementRect);
+				DrawIndicator(ref elementRect);
+				DrawMirrorButton(ref elementRect);
+				DrawPoseOffset(ref elementRect);
+				DrawFineTune(ref elementRect, index);
+			};
+
+			grabPoseList.elementHeightCallback = (int index) =>
+			{
+				if (!UpdateGrabPose(m_GrabPoses.GetArrayElementAtIndex(index))) { return EditorGUIUtility.singleLineHeight; }
+
+				// Including Title, Handness, Show Indicator, Mirror Pose, Position, Rotation, Fine Tune
+				int minHeight = 7;
+				// To Show GrabGesture
+				if (recordedGrabRotations.arraySize == 0)
+				{
+					minHeight += 5;
+				}
+				if (enableIndicator.boolValue)
+				{
+					// To Show Auto Indicator
+					minHeight += 1;
+					// To Show Indicator Gameobject
+					if (!autoIndicator.boolValue)
+					{
+						minHeight += 1;
+					}
+				}
+				return EditorGUIUtility.singleLineHeight * minHeight + EditorGUIUtility.standardVerticalSpacing * minHeight;
+			};
+
+			grabPoseList.onAddCallback = (ReorderableList list) =>
+			{
+				m_GrabPoses.arraySize++;
+				if (UpdateGrabPose(m_GrabPoses.GetArrayElementAtIndex(list.count - 1)))
+				{
+					grabPoseName.stringValue = $"Grab Pose {list.count}";
+				}
+			};
+			#endregion
+		}
+
+		public override void OnInspectorGUI()
+		{
+			serializedObject.Update();
+			EditorGUILayout.PropertyField(m_Rigidbody);
+			EditorGUILayout.PropertyField(m_IsGrabbable);
+			EditorGUILayout.PropertyField(m_FingerRequirement);
+			showGrabPoses = EditorGUILayout.Foldout(showGrabPoses, "Grab Pose Settings");
+			if (showGrabPoses)
+			{
+				if (m_GrabPoses.arraySize == 0)
+				{
+					grabPoseList.elementHeight = EditorGUIUtility.singleLineHeight;
+				}
+				grabPoseList.DoLayoutList();
+
+				bool isToggle = EditorGUILayout.Toggle("Show All Indicator", m_ShowAllIndicator.boolValue);
+				if (isToggle != m_ShowAllIndicator.boolValue)
+				{
+					m_ShowAllIndicator.boolValue = isToggle;
+					for (int i = 0; i < m_GrabPoses.arraySize; i++)
+					{
+						if (UpdateGrabPose(m_GrabPoses.GetArrayElementAtIndex(i)))
+						{
+							enableIndicator.boolValue = m_ShowAllIndicator.boolValue;
+						}
+					}
+				}
+			}
+
+			showEvent = EditorGUILayout.Foldout(showEvent, "Grabbed Event");
+			if (showEvent)
+			{
+				EditorGUILayout.PropertyField(m_OnBeginGrabbed);
+				EditorGUILayout.PropertyField(m_OnEndGrabbed);
+			}
+
+			showConstraint = EditorGUILayout.Foldout(showConstraint, "Constraint Movement (Optional)");
+			if (showConstraint)
+			{
+				EditorGUILayout.PropertyField(m_OneHandContraintMovement);
+			}
+			serializedObject.ApplyModifiedProperties();
+		}
+
+		private bool UpdateGrabPose(SerializedProperty grabPose)
+		{
+			SerializedProperty indicator = grabPose.FindPropertyRelative("indicator");
+			if (grabPose == null || indicator == null) { return false; }
+
+			grabPoseName = grabPose.FindPropertyRelative("grabPoseName");
+			gestureThumbPose = grabPose.FindPropertyRelative("handGrabGesture.thumbPose");
+			gestureIndexPose = grabPose.FindPropertyRelative("handGrabGesture.indexPose");
+			gestureMiddlePose = grabPose.FindPropertyRelative("handGrabGesture.middlePose");
+			gestureRingPose = grabPose.FindPropertyRelative("handGrabGesture.ringPose");
+			gesturePinkyPose = grabPose.FindPropertyRelative("handGrabGesture.pinkyPose");
+			recordedGrabRotations = grabPose.FindPropertyRelative("recordedGrabRotations");
+			isLeft = grabPose.FindPropertyRelative("isLeft");
+			enableIndicator = indicator.FindPropertyRelative("enableIndicator");
+			autoIndicator = indicator.FindPropertyRelative("autoIndicator");
+			indicatorObject = indicator.FindPropertyRelative("target");
+			grabOffset = grabPose.FindPropertyRelative("grabOffset");
+			return true;
+		}
+
+		private void AddElementHeight(ref Rect rect)
+		{
+			rect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
+		}
+
+		private void DrawGrabGesture(ref Rect rect)
+		{
+			if (recordedGrabRotations.arraySize == 0)
+			{
+				AddElementHeight(ref rect);
+				EditorGUI.PropertyField(rect, gestureThumbPose);
+				AddElementHeight(ref rect);
+				EditorGUI.PropertyField(rect, gestureIndexPose);
+				AddElementHeight(ref rect);
+				EditorGUI.PropertyField(rect, gestureMiddlePose);
+				AddElementHeight(ref rect);
+				EditorGUI.PropertyField(rect, gestureRingPose);
+				AddElementHeight(ref rect);
+				EditorGUI.PropertyField(rect, gesturePinkyPose);
+			}
+		}
+
+		private void DrawHandedness(ref Rect rect)
+		{
+			AddElementHeight(ref rect);
+			bool isToggle = EditorGUI.Toggle(rect, "Is Left", isLeft.boolValue);
+			if (isToggle != isLeft.boolValue)
+			{
+				isLeft.boolValue = isToggle;
+				SwitchRotations(ref recordedGrabRotations);
+			}
+		}
+
+		private void DrawIndicator(ref Rect rect)
+		{
+			AddElementHeight(ref rect);
+			enableIndicator.boolValue = EditorGUI.Toggle(rect, "Show Indicator", enableIndicator.boolValue);
+			if (enableIndicator.boolValue)
+			{
+				AddElementHeight(ref rect);
+				autoIndicator.boolValue = EditorGUI.Toggle(rect, "Auto Generator Indicator", autoIndicator.boolValue);
+				if (!autoIndicator.boolValue)
+				{
+					AddElementHeight(ref rect);
+					indicatorObject.objectReferenceValue = (GameObject)EditorGUI.ObjectField(rect, "Indicator", (GameObject)indicatorObject.objectReferenceValue, typeof(GameObject), true);
+				}
+			}
+			else
+			{
+				m_ShowAllIndicator.boolValue = false;
+			}
+		}
+
+		private void DrawMirrorButton(ref Rect rect)
+		{
+			AddElementHeight(ref rect);
+			Rect labelRect = new Rect(rect.x, rect.y, EditorGUIUtility.labelWidth, rect.height);
+			EditorGUI.PrefixLabel(labelRect, GUIUtility.GetControlID(FocusType.Passive), new GUIContent("Mirror Pose"));
+
+			Rect mirrorXRect = new Rect(rect.x + EditorGUIUtility.labelWidth + EditorGUIUtility.standardVerticalSpacing, rect.y,
+				(rect.width - EditorGUIUtility.labelWidth - EditorGUIUtility.standardVerticalSpacing * 4) / 3, rect.height);
+			Rect mirrorYRect = new Rect(mirrorXRect.x + mirrorXRect.width + EditorGUIUtility.standardVerticalSpacing, rect.y, mirrorXRect.width, rect.height);
+			Rect mirrorZRect = new Rect(mirrorYRect.x + mirrorYRect.width + EditorGUIUtility.standardVerticalSpacing, rect.y, mirrorYRect.width, rect.height);
+			if (GUI.Button(mirrorXRect, "Align X axis"))
+			{
+				MirrorPose(ref grabOffset, Vector3.right);
+			}
+			if (GUI.Button(mirrorYRect, "Align Y axis"))
+			{
+				MirrorPose(ref grabOffset, Vector3.up);
+			}
+			if (GUI.Button(mirrorZRect, "Align Z axis"))
+			{
+				MirrorPose(ref grabOffset, Vector3.forward);
+			}
+		}
+
+		private void DrawPoseOffset(ref Rect rect)
+		{
+			SerializedProperty srcPos = grabOffset.FindPropertyRelative("sourcePosition");
+			SerializedProperty srcRot = grabOffset.FindPropertyRelative("sourceRotation");
+			SerializedProperty tgtPos = grabOffset.FindPropertyRelative("targetPosition");
+			SerializedProperty tgtRot = grabOffset.FindPropertyRelative("targetRotation");
+			AddElementHeight(ref rect);
+			EditorGUI.Vector3Field(rect, "Position Offset", tgtPos.vector3Value - srcPos.vector3Value);
+			AddElementHeight(ref rect);
+			Vector3 rotEulerAngles = (Quaternion.Inverse(srcRot.quaternionValue) * tgtRot.quaternionValue).eulerAngles;
+			for (int i = 0; i < 3; i++)
+			{
+				if (rotEulerAngles[i] > 180)
+				{
+					rotEulerAngles[i] = 360.0f - rotEulerAngles[i];
+				}
+			}
+			EditorGUI.Vector3Field(rect, "Rotation Offset", rotEulerAngles);
+		}
+
+		private void DrawFineTune(ref Rect rect, int index)
+		{
+			AddElementHeight(ref rect);
+			Rect labelRect = new Rect(rect.x, rect.y, EditorGUIUtility.labelWidth, rect.height);
+			EditorGUI.PrefixLabel(labelRect, GUIUtility.GetControlID(FocusType.Passive), new GUIContent("Fine Tune"));
+
+			Rect previewRect = new Rect(rect.x + EditorGUIUtility.labelWidth + EditorGUIUtility.standardVerticalSpacing, rect.y,
+				(rect.width - EditorGUIUtility.labelWidth - EditorGUIUtility.standardVerticalSpacing * 4) / 2, rect.height);
+			Rect updateRect = new Rect(previewRect.x + previewRect.width + EditorGUIUtility.standardVerticalSpacing, rect.y, previewRect.width, rect.height);
+			if (GUI.Button(previewRect, "Preview Grab Pose") && Application.isPlaying)
+			{
+				activeGrabbable = handGrabbable;
+				m_PreviewIndex.intValue = index;
+				ShowMeshHandPose();
+			}
+			GUI.enabled = activeGrabbable == handGrabbable && m_PreviewIndex.intValue == index;
+			if (GUI.Button(updateRect, "Update Grab Pose"))
+			{
+				UpdateGrabPose();
+			}
+			GUI.enabled = true;
+		}
+
+		/// <summary>
+		/// Convert the rotation of joints of the current hand into those of another hand.
+		/// </summary>
+		/// <param name="rotations">Rotation of joints of the current hand.</param>
+		private void SwitchRotations(ref SerializedProperty rotations)
+		{
+			for (int i = 0; i < rotations.arraySize; i++)
+			{
+				Quaternion rotation = rotations.GetArrayElementAtIndex(i).quaternionValue;
+				Quaternion newRotation = Quaternion.Euler(rotation.eulerAngles.x, -rotation.eulerAngles.y, -rotation.eulerAngles.z);
+				rotations.GetArrayElementAtIndex(i).quaternionValue = newRotation;
+			}
+		}
+
+		/// <summary>
+		/// Mirrors the pose properties (position and rotation) of a serialized object along a specified mirror axis.
+		/// </summary>
+		/// <param name="pose">The serialized property representing the pose to be mirrored.</param>
+		/// <param name="mirrorAxis">The axis along which the mirroring should occur.</param>
+		private void MirrorPose(ref SerializedProperty pose, Vector3 mirrorAxis)
+		{
+			Vector3 sourcePosition = grabOffset.FindPropertyRelative("sourcePosition").vector3Value;
+			Quaternion sourceRotation = grabOffset.FindPropertyRelative("sourceRotation").quaternionValue;
+			Vector3 targetPosition = grabOffset.FindPropertyRelative("targetPosition").vector3Value;
+			Quaternion targetRotation = grabOffset.FindPropertyRelative("targetRotation").quaternionValue;
+			Vector3 reflectNormal = targetRotation * mirrorAxis;
+
+			Vector3 diffPos = sourcePosition - targetPosition;
+			Vector3 mirrorPosition = targetPosition + Vector3.Reflect(diffPos, reflectNormal);
+			pose.FindPropertyRelative("sourcePosition").vector3Value = mirrorPosition;
+
+			Vector3 sourceForward = sourceRotation * Vector3.forward;
+			Vector3 sourceUp = sourceRotation * Vector3.up;
+			Quaternion mirroredRotation = Quaternion.LookRotation(Vector3.Reflect(sourceForward, reflectNormal), Vector3.Reflect(sourceUp, reflectNormal));
+			pose.FindPropertyRelative("sourceRotation").quaternionValue = mirroredRotation;
+		}
+
+		/// <summary>
+		/// Obtain the MeshHand and set its position and rotation based on the grabOffset of grabpose.
+		/// </summary>
+		private void ShowMeshHandPose()
+		{
+			HandPose handPose = HandPoseProvider.GetHandPose(isLeft.boolValue ? HandPoseType.MESH_LEFT : HandPoseType.MESH_RIGHT);
+			if (handPose != null && handPose is MeshHandPose meshHandPose)
+			{
+				GrabOffset grabOffsetObj = handGrabbable.grabPoses[m_PreviewIndex.intValue].grabOffset;
+				Quaternion handRot = handGrabbable.transform.rotation * Quaternion.Inverse(grabOffsetObj.rotOffset);
+				Quaternion handRotDiff = handRot * Quaternion.Inverse(grabOffsetObj.sourceRotation);
+				Vector3 handPos = handGrabbable.transform.position - handRotDiff * grabOffsetObj.posOffset;
+				meshHandPose.SetJointPose(JointType.Wrist, new Pose(handPos, handRot));
+
+				foreach (JointType joint in Enum.GetValues(typeof(JointType)))
+				{
+					if (joint == JointType.Wrist || joint == JointType.Count) { continue; }
+
+					meshHandPose.GetPosition(joint, out Vector3 pos, local: true);
+					Quaternion rot = recordedGrabRotations.GetArrayElementAtIndex((int)joint).quaternionValue;
+					meshHandPose.SetJointPose(joint, new Pose(pos, rot), local: true);
+				}
+			}
+		}
+
+		/// <summary>
+		/// Update the grabpose based on position and rotation of the MeshHand and Object.
+		/// </summary>
+		private void UpdateGrabPose()
+		{
+			HandPose handPose = HandPoseProvider.GetHandPose(isLeft.boolValue ? HandPoseType.MESH_LEFT : HandPoseType.MESH_RIGHT);
+			if (handPose != null && handPose is MeshHandPose meshHandPose)
+			{
+				meshHandPose.GetPosition(JointType.Wrist, out Vector3 wristPosition);
+				meshHandPose.GetRotation(JointType.Wrist, out Quaternion wristRotation);
+
+				Quaternion[] fingerJointRotation = new Quaternion[(int)JointType.Count];
+				for (int i = 0; i < fingerJointRotation.Length; i++)
+				{
+					meshHandPose.GetRotation((JointType)i, out Quaternion jointRotation, local: true);
+					fingerJointRotation[i] = jointRotation;
+				}
+
+				GrabPose grabPose = handGrabbable.grabPoses[m_PreviewIndex.intValue];
+				grabPose.Update(grabPoseName.stringValue, fingerJointRotation, isLeft.boolValue);
+				grabPose.grabOffset.Update(wristPosition, wristRotation, handGrabbable.transform.position, handGrabbable.transform.rotation);
+				handGrabbable.grabPoses[m_PreviewIndex.intValue] = grabPose;
+				GrabbablePoseRecorder.SaveChanges();
+			}
+		}
+	}
+}
+#endif

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Editor/HandGrabInteractorEditor.cs

@@ -0,0 +1,37 @@
+using UnityEngine;
+
+#if UNITY_EDITOR
+using UnityEditor;
+namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
+{
+	[CustomEditor(typeof(HandGrabInteractor))]
+	public class HandGrabInteractorEditor : UnityEditor.Editor
+	{
+		private SerializedProperty m_Handedness, m_GrabDistance, m_OnBeginGrab, m_OnEndGrab;
+		private bool showEvent = false;
+
+		private void OnEnable()
+		{
+			m_Handedness = serializedObject.FindProperty("m_Handedness");
+			m_GrabDistance = serializedObject.FindProperty("m_GrabDistance");
+			m_OnBeginGrab = serializedObject.FindProperty("m_OnBeginGrab");
+			m_OnEndGrab = serializedObject.FindProperty("m_OnEndGrab");
+		}
+
+		public override void OnInspectorGUI()
+		{
+			serializedObject.Update();
+			EditorGUILayout.PropertyField(m_Handedness);
+			EditorGUILayout.PropertyField(m_GrabDistance);
+			showEvent = EditorGUILayout.Foldout(showEvent, "Grab Event");
+			if (showEvent)
+			{
+				EditorGUILayout.PropertyField(m_OnBeginGrab);
+				EditorGUILayout.PropertyField(m_OnEndGrab);
+
+			}
+			serializedObject.ApplyModifiedProperties();
+		}
+	}
+}
+#endif

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Editor/HandGrabInteractorEditor.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: a8e7c213fed939e4b859638cde97a31c
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Editor/HandMeshManagerEditor.cs

@@ -0,0 +1,85 @@
+using UnityEngine;
+
+#if UNITY_EDITOR
+using UnityEditor;
+namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
+{
+	[CustomEditor(typeof(HandMeshManager))]
+	public class HandMeshManagerEditor : Editor
+	{
+		private HandMeshManager m_HandMesh;
+		private SerializedProperty m_Handedness, m_EnableCollider, m_HandJoints;
+
+		private bool showJoints = false;
+		public static readonly GUIContent findJoints = EditorGUIUtility.TrTextContent("Find Joints");
+		public static readonly GUIContent clearJoints = EditorGUIUtility.TrTextContent("All Clear");
+
+		private void OnEnable()
+		{
+			m_HandMesh = target as HandMeshManager;
+			m_Handedness = serializedObject.FindProperty("m_Handedness");
+			m_EnableCollider = serializedObject.FindProperty("m_EnableCollider");
+			m_HandJoints = serializedObject.FindProperty("m_HandJoints");
+		}
+
+		public override void OnInspectorGUI()
+		{
+			serializedObject.Update();
+			EditorGUILayout.LabelField("Settings", EditorStyles.boldLabel);
+
+			EditorGUILayout.HelpBox("Please check if your model is used to bind left hand poses", MessageType.None);
+			EditorGUILayout.PropertyField(m_Handedness, new GUIContent("Handedness"));
+
+			EditorGUILayout.HelpBox("Please check if you want the hand model with collision enabled.", MessageType.None);
+			EditorGUILayout.PropertyField(m_EnableCollider, new GUIContent("Enable Collider"));
+
+			showJoints = EditorGUILayout.Foldout(showJoints, "Hand Bones Reference");
+			if (showJoints)
+			{
+				EditorGUILayout.HelpBox("Please change rotation to make sure your model should palm faces forward and fingers points up in global axis.", MessageType.Info);
+
+				using (new EditorGUILayout.HorizontalScope())
+				{
+					using (new EditorGUI.DisabledScope())
+					{
+						if (GUILayout.Button(findJoints))
+						{
+							m_HandMesh.FindJoints();
+						}
+					}
+
+					using (new EditorGUI.DisabledScope())
+					{
+						if (GUILayout.Button(clearJoints))
+						{
+							m_HandMesh.ClearJoints();
+						}
+					}
+				}
+
+				bool isDetected = false;
+				for (int i = 0; i < m_HandJoints.arraySize; i++)
+				{
+					SerializedProperty bone = m_HandJoints.GetArrayElementAtIndex(i);
+					Transform boneTransform = (Transform)bone.objectReferenceValue;
+					if (boneTransform != null)
+					{
+						isDetected = true;
+						break;
+					}
+				}
+				if (isDetected)
+				{
+					for (int i = 0; i < m_HandJoints.arraySize; i++)
+					{
+						SerializedProperty bone = m_HandJoints.GetArrayElementAtIndex(i);
+						EditorGUILayout.PropertyField(bone, new GUIContent(((JointType)i).ToString()));
+					}
+				}
+			}
+
+			serializedObject.ApplyModifiedProperties();
+		}
+	}
+}
+#endif

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Resources/Animations.meta

@@ -1,5 +1,6 @@
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+folderAsset: yes
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   userData: 

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Resources/Animations/LeftHandGrab.anim.meta

@@ -0,0 +1,8 @@
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+guid: 44fadaef2720de846af62a7bbb2ec370
+NativeFormatImporter:
+  externalObjects: {}
+  mainObjectFileID: 0
+  userData: 
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com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Resources/Animations/LeftHandGrab.controller

@@ -0,0 +1,72 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!91 &9100000
+AnimatorController:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_Name: LeftHandGrab
+  serializedVersion: 5
+  m_AnimatorParameters: []
+  m_AnimatorLayers:
+  - serializedVersion: 5
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 --- !u!1 &8136935140357987531
 GameObject:
   m_ObjectHideFlags: 0

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Scripts/Grab.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: ea1b2b1a3faba024aa3df5391529aec0
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Scripts/Grab/CustomGrabPose.cs

@@ -0,0 +1,378 @@
+// "Wave SDK 
+// © 2020 HTC Corporation. All Rights Reserved.
+//
+// Unless otherwise required by copyright law and practice,
+// upon the execution of HTC SDK license agreement,
+// HTC grants you access to and use of the Wave SDK(s).
+// You shall fully comply with all of HTC’s SDK license agreement terms and
+// conditions signed by you and all SDK and API requirements,
+// specifications, and documentation provided by HTC to You."
+
+using System.Collections.Generic;
+using System.Text;
+using System;
+using UnityEditor;
+using UnityEngine;
+using System.Linq;
+
+namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
+{
+	/// <summary>
+	/// This class is designed to edit grab gestures.
+	/// </summary>
+	[RequireComponent(typeof(HandMeshManager))]
+	public class CustomGrabPose : MonoBehaviour
+	{
+#if UNITY_EDITOR
+
+		#region Log
+
+		const string LOG_TAG = "Wave.Essence.Hand.Interaction.CustomGrabPose";
+		private StringBuilder m_sb = null;
+		internal StringBuilder sb
+		{
+			get
+			{
+				if (m_sb == null) { m_sb = new StringBuilder(); }
+				return m_sb;
+			}
+		}
+		private void DEBUG(StringBuilder msg) { Debug.Log($"{LOG_TAG}, {msg}"); }
+		private void WARNING(StringBuilder msg) { Debug.LogWarning($"{LOG_TAG}, {msg}"); }
+		private void ERROR(StringBuilder msg) { Debug.LogError($"{LOG_TAG}, {msg}"); }
+		int logFrame = 0;
+		bool printIntervalLog => logFrame == 0;
+
+		#endregion
+
+		/// <summary>
+		/// This structure is designed to record the rotation values of each joint at different bend angles.
+		/// </summary>
+		private struct JointBendingRotation
+		{
+			public FingerId fingerId;
+			public string jointPath;
+			public int bending;
+			public Quaternion rotation;
+
+			public JointBendingRotation(FingerId in_FingerId, string in_JointPath, int in_Bending, Quaternion in_Rotation)
+			{
+				fingerId = in_FingerId;
+				jointPath = in_JointPath;
+				bending = in_Bending;
+				rotation = in_Rotation;
+			}
+
+			public JointBendingRotation Identity => new JointBendingRotation(FingerId.Invalid, "", -1, Quaternion.identity);
+		}
+
+		[SerializeField]
+		private AnimationClip animationClip;
+
+		[SerializeField]
+		[Range(1, 30)]
+		private int thumbBending = 1;
+		[SerializeField]
+		[Range(1, 30)]
+		private int indexBending = 1;
+		[SerializeField]
+		[Range(1, 30)]
+		private int middleBending = 1;
+		[SerializeField]
+		[Range(1, 30)]
+		private int ringBending = 1;
+		[SerializeField]
+		[Range(1, 30)]
+		private int pinkyBending = 1;
+
+		private HandMeshManager m_HandMesh;
+		private Dictionary<FingerId, int> fingersBendingMapping = new Dictionary<FingerId, int>()
+		{
+			{FingerId.Thumb, 1 },
+			{FingerId.Index, 1 },
+			{FingerId.Middle, 1 },
+			{FingerId.Ring, 1 },
+			{FingerId.Pinky, 1 },
+		};
+		private static readonly Dictionary<string, FingerId> jointsPathMapping = new Dictionary<string, FingerId>()
+		{
+			{"WaveBone_0", FingerId.Invalid },
+			{"WaveBone_1", FingerId.Invalid },
+			{"WaveBone_2", FingerId.Thumb },
+			{"WaveBone_2/WaveBone_3", FingerId.Thumb },
+			{"WaveBone_2/WaveBone_3/WaveBone_4", FingerId.Thumb },
+			{"WaveBone_2/WaveBone_3/WaveBone_4/WaveBone_5", FingerId.Thumb },
+			{"WaveBone_6", FingerId.Index },
+			{"WaveBone_6/WaveBone_7", FingerId.Index },
+			{"WaveBone_6/WaveBone_7/WaveBone_8", FingerId.Index },
+			{"WaveBone_6/WaveBone_7/WaveBone_8/WaveBone_9", FingerId.Index },
+			{"WaveBone_6/WaveBone_7/WaveBone_8/WaveBone_9/WaveBone_10", FingerId.Index },
+			{"WaveBone_11", FingerId.Middle },
+			{"WaveBone_11/WaveBone_12", FingerId.Middle },
+			{"WaveBone_11/WaveBone_12/WaveBone_13", FingerId.Middle },
+			{"WaveBone_11/WaveBone_12/WaveBone_13/WaveBone_14", FingerId.Middle },
+			{"WaveBone_11/WaveBone_12/WaveBone_13/WaveBone_14/WaveBone_15", FingerId.Middle },
+			{"WaveBone_16", FingerId.Ring },
+			{"WaveBone_16/WaveBone_17", FingerId.Ring },
+			{"WaveBone_16/WaveBone_17/WaveBone_18", FingerId.Ring },
+			{"WaveBone_16/WaveBone_17/WaveBone_18/WaveBone_19", FingerId.Ring },
+			{"WaveBone_16/WaveBone_17/WaveBone_18/WaveBone_19/WaveBone_20", FingerId.Ring },
+			{"WaveBone_21", FingerId.Pinky },
+			{"WaveBone_21/WaveBone_22", FingerId.Pinky },
+			{"WaveBone_21/WaveBone_22/WaveBone_23", FingerId.Pinky },
+			{"WaveBone_21/WaveBone_22/WaveBone_23/WaveBone_24", FingerId.Pinky },
+			{"WaveBone_21/WaveBone_22/WaveBone_23/WaveBone_24/WaveBone_25", FingerId.Pinky },
+		};
+		private List<JointBendingRotation> jointsBending = new List<JointBendingRotation>();
+
+		private readonly float k_GrabDistance = 0.1f;
+		private HandGrabInteractable candidate = null;
+		private Pose wristPose = Pose.identity;
+		private Quaternion[] fingerJointRotation = new Quaternion[jointsPathMapping.Count];
+
+		#region MonoBehaviours
+
+		private void OnEnable()
+		{
+			m_HandMesh = transform.GetComponent<HandMeshManager>();
+			if (m_HandMesh == null)
+			{
+				sb.Clear().Append("Failed to find HandMeshRenderer.");
+				ERROR(sb);
+			}
+
+			if (animationClip != null)
+			{
+				EditorCurveBinding[] curveBindings = AnimationUtility.GetCurveBindings(animationClip);
+
+				foreach (string propertyName in jointsPathMapping.Keys)
+				{
+					SetEachFrameRotation(curveBindings, propertyName);
+				}
+			}
+			else
+			{
+				sb.Clear().Append("Failed to find hand grab animation. The hand model will not change when you change bend angles of finger.");
+				sb.Append("However, you still can record  grab pose if you use direct preview mode.");
+				WARNING(sb);
+			}
+		}
+
+		private void OnDisable()
+		{
+			jointsBending.Clear();
+		}
+
+		private void Update()
+		{
+			if (IsFingerBendingUpdated())
+			{
+				for (int i = 0; i < fingerJointRotation.Length; i++)
+				{
+					var jointInfo = jointsPathMapping.ElementAt(i);
+					string jointPath = jointInfo.Key;
+					FingerId fingerId = jointInfo.Value;
+					int bending = -1;
+					if (fingersBendingMapping.ContainsKey(fingerId))
+					{
+						bending = fingersBendingMapping[fingerId] - 1;
+					}
+					if (jointsBending.Count(x => x.fingerId == fingerId && x.jointPath == jointPath && x.bending == bending) > 0)
+					{
+						JointBendingRotation jointRotation = jointsBending.FirstOrDefault(x => x.fingerId == fingerId && x.jointPath == jointPath && x.bending == bending);
+						fingerJointRotation[i] = jointRotation.rotation;
+					}
+					else
+					{
+						fingerJointRotation[i] = Quaternion.identity;
+					}
+				}
+
+				if (m_HandMesh != null)
+				{
+					for (int i = 0; i < fingerJointRotation.Length; i++)
+					{
+						JointType joint = (JointType)i;
+						m_HandMesh.GetJointPositionAndRotation(joint, out Vector3 jointPosition, out _, local: true);
+						m_HandMesh.SetJointPositionAndRotation(joint, jointPosition, fingerJointRotation[i], local: true);
+					}
+				}
+			}
+
+			if (Input.GetKeyDown(KeyCode.Return) || Input.GetKeyDown(KeyCode.KeypadEnter))
+			{
+				FindNearInteractable();
+				SavePoseWithCandidate();
+			}
+		}
+
+		#endregion
+
+		/// <summary>
+		/// Reads the rotation of each joint frame by frame and records it.
+		/// </summary>
+		/// <param name="curveBindings">All the float curve bindings currently stored in the clip.</param>
+		/// <param name="jointPath">The path of the joint.</param>
+		private void SetEachFrameRotation(EditorCurveBinding[] curveBindings, string jointPath)
+		{
+			const int propertyCount = 4;
+			const int animeCount = 30;
+			const float animeFPS = 60.0f;
+
+			List<EditorCurveBinding> matchCurve = new List<EditorCurveBinding>();
+			foreach (EditorCurveBinding binding in curveBindings)
+			{
+				if (binding.path.Equals(jointPath))
+				{
+					matchCurve.Add(binding);
+				}
+
+				if (matchCurve.Count == propertyCount)
+				{
+					break;
+				}
+			}
+
+			if (matchCurve.Count == propertyCount)
+			{
+				for (int i = 0; i < animeCount; i++)
+				{
+					Quaternion rotation = Quaternion.identity;
+					foreach (var curveBinding in matchCurve)
+					{
+						AnimationCurve curve = AnimationUtility.GetEditorCurve(animationClip, curveBinding);
+						switch (curveBinding.propertyName)
+						{
+							case "m_LocalRotation.x":
+								rotation.x = curve.Evaluate(i / animeFPS);
+								break;
+							case "m_LocalRotation.y":
+								rotation.y = curve.Evaluate(i / animeFPS);
+								break;
+							case "m_LocalRotation.z":
+								rotation.z = curve.Evaluate(i / animeFPS);
+								break;
+							case "m_LocalRotation.w":
+								rotation.w = curve.Evaluate(i / animeFPS);
+								break;
+						}
+					}
+					jointsBending.Add(new JointBendingRotation(jointsPathMapping[jointPath], jointPath, i, rotation));
+				}
+			}
+		}
+
+		/// <summary>
+		/// Checks if the current finger bend angle has changed.
+		/// </summary>
+		/// <returns>True if the bend angle has changed; otherwise, false.</returns>
+		private bool IsFingerBendingUpdated()
+		{
+			bool updated = false;
+
+			if (fingersBendingMapping[FingerId.Thumb] != thumbBending)
+			{
+				fingersBendingMapping[FingerId.Thumb] = thumbBending;
+				updated = true;
+			}
+			if (fingersBendingMapping[FingerId.Index] != indexBending)
+			{
+				fingersBendingMapping[FingerId.Index] = indexBending;
+				updated = true;
+			}
+			if (fingersBendingMapping[FingerId.Middle] != middleBending)
+			{
+				fingersBendingMapping[FingerId.Middle] = middleBending;
+				updated = true;
+			}
+			if (fingersBendingMapping[FingerId.Ring] != ringBending)
+			{
+				fingersBendingMapping[FingerId.Ring] = ringBending;
+				updated = true;
+			}
+			if (fingersBendingMapping[FingerId.Pinky] != pinkyBending)
+			{
+				fingersBendingMapping[FingerId.Pinky] = pinkyBending;
+				updated = true;
+			}
+
+			return updated;
+		}
+
+		/// <summary>
+		/// Update hand pose from HandMeshRenderer.
+		/// </summary>
+		/// <returns>Return true if updating hand pose from HandMeshRenderer; otherwise.</returns>
+		private bool UpdateHandPose()
+		{
+			bool updated = false;
+			if (m_HandMesh != null)
+			{
+				for (int i = 0; i < fingerJointRotation.Length; i++)
+				{
+					if (i == (int)JointType.Wrist)
+					{
+						m_HandMesh.GetJointPositionAndRotation(JointType.Wrist, out wristPose.position, out wristPose.rotation);
+					}
+					m_HandMesh.GetJointPositionAndRotation((JointType)i, out _, out fingerJointRotation[i], local: true);
+				}
+				updated = true;
+			}
+			if (!updated)
+			{
+				sb.Clear().Append("Failed to update hand pose.");
+				DEBUG(sb);
+			}
+			return updated;
+		}
+
+		/// <summary>
+		/// Finds the nearest interactable object to the hand.
+		/// </summary>
+		public void FindNearInteractable()
+		{
+			if (!UpdateHandPose()) { return; }
+
+			candidate = null;
+			float maxScore = 0;
+			foreach (HandGrabInteractable interactable in GrabManager.handGrabbables)
+			{
+				float distanceScore = interactable.CalculateDistanceScore(wristPose.position, k_GrabDistance);
+				if (distanceScore > maxScore)
+				{
+					maxScore = distanceScore;
+					candidate = interactable;
+				}
+			}
+			if (candidate == null)
+			{
+				sb.Clear().Append("Unable to find a suitable candidate.");
+				WARNING(sb);
+			}
+		}
+
+		/// <summary>
+		/// Save the position and rotation offset with the candidate.
+		/// </summary>
+		public void SavePoseWithCandidate()
+		{
+			if (!UpdateHandPose() || candidate == null) { return; }
+
+			Quaternion[] clone = new Quaternion[fingerJointRotation.Length];
+			Array.Copy(fingerJointRotation, clone, fingerJointRotation.Length);
+			GrabPose grabPose = GrabPose.Identity;
+
+			grabPose.Update($"Grab Pose {candidate.grabPoses.Count + 1}", clone, m_HandMesh.isLeft);
+			grabPose.grabOffset = new GrabOffset(wristPose.position, wristPose.rotation, candidate.transform.position, candidate.transform.rotation);
+			if (!candidate.grabPoses.Contains(grabPose))
+			{
+				candidate.grabPoses.Add(grabPose);
+			}
+			GrabbablePoseRecorder.SaveChanges();
+
+			sb.Clear().Append("Save grab pose successfully.");
+			DEBUG(sb);
+		}
+#endif
+	}
+}

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Scripts/Grab/GrabPoseBinderRecorder.cs

@@ -12,6 +12,7 @@ using System.Collections.Generic;
 using System.IO;
 using UnityEditor;
 using UnityEngine;
+using UnityEngine.SceneManagement;
 
 namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 {
@@ -61,6 +62,7 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 							grabbable.grabPoses.AddRange(updatedGrabPose);
 						}
 					}
+					UnityEditor.SceneManagement.EditorSceneManager.MarkSceneDirty(SceneManager.GetActiveScene());
 				}
 				File.Delete(filepath);
 				File.Delete(metaFilepath);

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Scripts/Grab/HandGrabInteractable.cs

@@ -8,7 +8,9 @@
 // conditions signed by you and all SDK and API requirements,
 // specifications, and documentation provided by HTC to You."
 
+using System;
 using System.Collections.Generic;
+using System.Text;
 using UnityEngine;
 
 namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
@@ -18,6 +20,26 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 	/// </summary>
 	public class HandGrabInteractable : MonoBehaviour, IHandGrabbable
 	{
+		#region Log
+
+		const string LOG_TAG = "VIVE.OpenXR.Toolkits.RealisticHandInteraction.HandGrabInteractable";
+		private StringBuilder m_sb = null;
+		internal StringBuilder sb
+		{
+			get
+			{
+				if (m_sb == null) { m_sb = new StringBuilder(); }
+				return m_sb;
+			}
+		}
+		private void DEBUG(string msg) { Debug.Log($"{LOG_TAG}, {msg}"); }
+		private void WARNING(string msg) { Debug.LogWarning($"{LOG_TAG}, {msg}"); }
+		private void ERROR(string msg) { Debug.LogError($"{LOG_TAG}, {msg}"); }
+		int logFrame = 0;
+		bool printIntervalLog => logFrame == 0;
+
+		#endregion
+
 		#region Interface Implement
 		private HandGrabInteractor m_Grabber = null;
 		public IGrabber grabber => m_Grabber;
@@ -28,30 +50,47 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 		private bool m_IsGrabbable = true;
 		public bool isGrabbable { get { return m_IsGrabbable; } set { m_IsGrabbable = value; } }
 
-		[SerializeField]
-		private bool m_ForceMovable = true;
-		public bool forceMovable { get { return m_ForceMovable; } set { m_ForceMovable = value; } }
-
 		[SerializeField]
 		private FingerRequirement m_FingerRequirement;
 		public FingerRequirement fingerRequirement => m_FingerRequirement;
+
+		[SerializeField]
+		HandGrabbableEvent m_OnBeginGrabbed = new HandGrabbableEvent();
+		public HandGrabbableEvent onBeginGrabbed => m_OnBeginGrabbed;
+
+		[SerializeField]
+		HandGrabbableEvent m_OnEndGrabbed = new HandGrabbableEvent();
+		public HandGrabbableEvent onEndGrabbed => m_OnEndGrabbed;
 		#endregion
 
 		#region Public State
+
+		[SerializeField]
+		private Rigidbody m_Rigidbody = null;
+		public new Rigidbody rigidbody => m_Rigidbody;
+
 		[SerializeField]
 		private List<GrabPose> m_GrabPoses = new List<GrabPose>();
 		public List<GrabPose> grabPoses => m_GrabPoses;
 
-		public GrabPose bestGrabPose => bestGrabPoseId != -1 ? m_GrabPoses[bestGrabPoseId] : GrabPose.Identity;
+		private GrabPose m_BestGrabPose = GrabPose.Identity;
+		public GrabPose bestGrabPose => m_BestGrabPose;
+
 		#endregion
 
 		[SerializeField]
 		private bool m_ShowAllIndicator = false;
 		private List<Collider> allColliders = new List<Collider>();
 		private HandGrabInteractor closestGrabber = null;
-		private int bestGrabPoseId = -1;
+		private OnBeginGrabbed beginGrabbed;
-		private OnBeginGrabbed onBeginGrabbed;
+		private OnEndGrabbed endGrabbed;
-		private OnEndGrabbed onEndGrabbed;
+
+		[SerializeField]
+		private IOneHandContraintMovement m_OneHandContraintMovement;
+		public bool isContraint => m_OneHandContraintMovement != null;
+
+		[SerializeField]
+		private int m_PreviewIndex = -1;
 
 		#region MonoBehaviour
 		private void Awake()
@@ -78,18 +117,24 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 		/// <param name="grabber">The grabber to set.</param>
 		public void SetGrabber(IGrabber grabber)
 		{
-			if (grabber is HandGrabInteractor)
+			if (grabber is HandGrabInteractor handGrabber)
 			{
-				HandGrabInteractor handGrabber = grabber as HandGrabInteractor;
 				m_Grabber = handGrabber;
-				UpdateBestGrabPose(handGrabber.isLeft, handGrabber.handGrabState.GetJointPose(JointType.Palm));
+				HandPose handPose = HandPoseProvider.GetHandPose(handGrabber.isLeft ? HandPoseType.HAND_LEFT : HandPoseType.HAND_RIGHT);
-				onBeginGrabbed?.Invoke(this);
+				handPose.GetPosition(JointType.Wrist, out Vector3 wristPos);
+				handPose.GetRotation(JointType.Wrist, out Quaternion wristRot);
+				UpdateBestGrabPose(handGrabber.isLeft, new Pose(wristPos, wristRot));
+				beginGrabbed?.Invoke(this);
+				m_OnBeginGrabbed?.Invoke(this);
+				DEBUG($"{transform.name} is grabbed by {handGrabber.name}");
 			}
 			else
 			{
 				m_Grabber = null;
-				bestGrabPoseId = -1;
+				m_BestGrabPose = GrabPose.Identity;
-				onEndGrabbed?.Invoke(this);
+				endGrabbed?.Invoke(this);
+				m_OnEndGrabbed?.Invoke(this);
+				DEBUG($"{transform.name} is released.");
 			}
 		}
 
@@ -109,7 +154,10 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 				}
 				else
 				{
-					int index = FindBestGrabPose(grabber.isLeft, grabber.handGrabState.GetJointPose((int)JointType.Palm));
+					HandPose handPose = HandPoseProvider.GetHandPose(grabber.isLeft ? HandPoseType.HAND_LEFT : HandPoseType.HAND_RIGHT);
+					handPose.GetPosition(JointType.Wrist, out Vector3 wristPos);
+					handPose.GetRotation(JointType.Wrist, out Quaternion wristRot);
+					int index = FindBestGrabPose(grabber.isLeft, new Pose(wristPos, wristRot));
 					ShowIndicatorByIndex(index);
 				}
 			}
@@ -141,36 +189,60 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 		/// Add a listener for the event triggered when the grabbable object is grabbed.
 		/// </summary>
 		/// <param name="handler">The method to be called when the grabbable object is grabbed.</param>
+		[Obsolete("Please use onBeginGrabbed instead.")]
 		public void AddBeginGrabbedListener(OnBeginGrabbed handler)
 		{
-			onBeginGrabbed += handler;
+			beginGrabbed += handler;
 		}
 
 		/// <summary>
 		/// Remove a listener for the event triggered when the grabbable object is grabbed.
 		/// </summary>
 		/// <param name="handler">The method to be removed from the event listeners.</param>
+		[Obsolete("Please use onBeginGrabbed instead.")]
 		public void RemoveBeginGrabbedListener(OnBeginGrabbed handler)
 		{
-			onBeginGrabbed -= handler;
+			beginGrabbed -= handler;
 		}
 
 		/// <summary>
 		/// Add a listener for the event triggered when the grabbable object is released.
 		/// </summary>
 		/// <param name="handler">The method to be called when the grabbable object is released.</param>
+		[Obsolete("Please use onEndGrabbed instead.")]
 		public void AddEndGrabbedListener(OnEndGrabbed handler)
 		{
-			onEndGrabbed += handler;
+			endGrabbed += handler;
 		}
 
 		/// <summary>
 		/// Remove a listener for the event triggered when the grabbable object is released.
 		/// </summary>
 		/// <param name="handler">The method to be removed from the event listeners.</param>
+		[Obsolete("Please use onEndGrabbed instead.")]
 		public void RemoveEndGrabbedListener(OnEndGrabbed handler)
 		{
-			onEndGrabbed -= handler;
+			endGrabbed -= handler;
+		}
+
+		/// <summary>
+		/// Update the position and rotation of the self with the pose of the hand that is grabbing it.
+		/// </summary>
+		/// <param name="grabberPose">The pose of the hand.</param>
+		public void UpdatePositionAndRotation(Pose grabberPose)
+		{
+			if (m_OneHandContraintMovement == null)
+			{
+				Quaternion handRotDiff = grabberPose.rotation * Quaternion.Inverse(m_BestGrabPose.grabOffset.sourceRotation);
+				transform.position = grabberPose.position + handRotDiff * m_BestGrabPose.grabOffset.posOffset;
+				transform.rotation = grabberPose.rotation * m_BestGrabPose.grabOffset.rotOffset;
+			}
+
+			if (m_OneHandContraintMovement != null)
+			{
+				m_OneHandContraintMovement.UpdatePose(grabberPose);
+				UpdateMeshPoseByGrabbable();
+			}
 		}
 		#endregion
 
@@ -179,6 +251,13 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 		/// </summary>
 		private void Initialize()
 		{
+			if (m_OneHandContraintMovement != null)
+			{
+				m_OneHandContraintMovement.Initialize(this);
+				onBeginGrabbed.AddListener(m_OneHandContraintMovement.OnBeginGrabbed);
+				onEndGrabbed.AddListener(m_OneHandContraintMovement.OnEndGrabbed);
+			}
+
 			for (int i = 0; i < m_GrabPoses.Count; i++)
 			{
 				if (m_GrabPoses[i].indicator.enableIndicator || m_ShowAllIndicator)
@@ -190,7 +269,7 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 					else
 					{
 						GrabPose grabPose = m_GrabPoses[i];
-						grabPose.indicator.CalculateGrabOffset(transform);
+						grabPose.indicator.CalculateGrabOffset(transform.position, transform.rotation);
 						m_GrabPoses[i] = grabPose;
 					}
 				}
@@ -205,16 +284,12 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 		private void AutoGenerateIndicator(int index)
 		{
 			AutoGenIndicator autoGenIndicator = new GameObject($"Indicator {index}", typeof(AutoGenIndicator)).GetComponent<AutoGenIndicator>();
-
 			GrabPose grabPose = m_GrabPoses[index];
-			// The grabPose.grabOffset was calculated as the position of the object minus the position of the hand,
+			Pose handPose = CalculateActualHandPose(grabPose.grabOffset);
-			// so inverse calculation is needed here to infer the position of the hand.
+			Vector3 closestPoint = GetClosestPoint(handPose.position);
-			Vector3 offset = transform.rotation * Quaternion.Inverse(grabPose.grabOffset.targetRotation) * -grabPose.grabOffset.position;
+			autoGenIndicator.SetPose(closestPoint, closestPoint - transform.position);
-			Vector3 defaultPosition = transform.position + offset;
-			Vector3 closestPoint = GetClosestPoint(defaultPosition);
-			autoGenIndicator.SetPose(closestPoint, offset.normalized);
 			grabPose.indicator.Update(true, true, autoGenIndicator.gameObject);
-			grabPose.indicator.CalculateGrabOffset(transform);
+			grabPose.indicator.CalculateGrabOffset(transform.position, transform.rotation);
 			m_GrabPoses[index] = grabPose;
 		}
 
@@ -239,10 +314,10 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 					{
 						if (hit.collider == collider)
 						{
-							float hitDistnace = Vector3.Distance(sourcePos, hit.point);
+							float hitDistance = Vector3.Distance(sourcePos, hit.point);
-							if (distance > hitDistnace)
+							if (distance > hitDistance)
 							{
-								distance = hitDistnace;
+								distance = hitDistance;
 								closePoint = hit.point;
 							}
 						}
@@ -264,16 +339,27 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 		/// <param name="isLeft">Whether the grabber is the left hand.</param>
 		/// <param name="grabberPose">The pose of the grabber.</param>
 		/// <returns>True if a best grab pose is found; otherwise, false.</returns>
-		private bool UpdateBestGrabPose(bool isLeft, Pose grabberPose)
+		private void UpdateBestGrabPose(bool isLeft, Pose grabberPose)
 		{
 			int index = FindBestGrabPose(isLeft, grabberPose);
 			if (index != -1 && index < m_GrabPoses.Count)
 			{
-				bestGrabPoseId = index;
+				m_BestGrabPose = m_GrabPoses[index];
-				return true;
+			}
+			else
+			{
+				m_BestGrabPose.grabOffset = new GrabOffset(grabberPose.position, grabberPose.rotation, transform.position, transform.rotation);
+				HandPose handPose = HandPoseProvider.GetHandPose(isLeft ? HandPoseType.MESH_LEFT : HandPoseType.MESH_RIGHT);
+				if (handPose is MeshHandPose meshHandPose)
+				{
+					Quaternion[] grabRotations = new Quaternion[(int)JointType.Count];
+					for (int i = 0; i < (int)JointType.Count; i++)
+					{
+						meshHandPose.GetRotation((JointType)i, out grabRotations[i], local: true);
+					}
+					m_BestGrabPose.recordedGrabRotations = grabRotations;
+				}
 			}
-			index = -1;
-			return false;
 		}
 
 		/// <summary>
@@ -291,7 +377,8 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 			{
 				if (m_GrabPoses[i].isLeft == isLeft)
 				{
-					Vector3 grabDirection = transform.rotation * Quaternion.Inverse(m_GrabPoses[i].grabOffset.targetRotation) * -m_GrabPoses[i].grabOffset.position;
+					Pose handPose = CalculateActualHandPose(m_GrabPoses[i].grabOffset);
+					Vector3 grabDirection = handPose.position - transform.position;
 					float dot = Vector3.Dot(currentDirection.normalized, grabDirection.normalized);
 					if (dot > maxDot)
 					{
@@ -316,7 +403,7 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 			if (index >= 0 && index < m_GrabPoses.Count &&
 				m_GrabPoses[index].indicator.enableIndicator)
 			{
-				m_GrabPoses[index].indicator.UpdatePositionAndRotation(transform);
+				m_GrabPoses[index].indicator.UpdatePositionAndRotation(transform.position, transform.rotation);
 				m_GrabPoses[index].indicator.SetActive(true);
 			}
 		}
@@ -335,10 +422,31 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 			{
 				if (grabPose.isLeft == isLeft)
 				{
-					grabPose.indicator.UpdatePositionAndRotation(transform);
+					grabPose.indicator.UpdatePositionAndRotation(transform.position, transform.rotation);
 					grabPose.indicator.SetActive(true);
 				}
 			}
 		}
+
+		private void UpdateMeshPoseByGrabbable()
+		{
+			if (grabber is HandGrabInteractor handGrabber)
+			{
+				HandPose handPose = HandPoseProvider.GetHandPose(handGrabber.isLeft ? HandPoseType.MESH_LEFT : HandPoseType.MESH_RIGHT);
+				if (handPose != null && handPose is MeshHandPose meshHandPose)
+				{
+					Pose realHandPose = CalculateActualHandPose(m_BestGrabPose.grabOffset);
+					meshHandPose.SetJointPose(JointType.Wrist, realHandPose);
+				}
+			}
+		}
+
+		private Pose CalculateActualHandPose(GrabOffset grabOffset)
+		{
+			Quaternion handRot = transform.rotation * Quaternion.Inverse(grabOffset.rotOffset);
+			Quaternion handRotDiff = handRot * Quaternion.Inverse(grabOffset.sourceRotation);
+			Vector3 handPos = transform.position - handRotDiff * grabOffset.posOffset;
+			return new Pose(handPos, handRot);
+		}
 	}
 }

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Scripts/Grab/HandGrabInteractor.cs

@@ -8,6 +8,8 @@
 // conditions signed by you and all SDK and API requirements,
 // specifications, and documentation provided by HTC to You."
 
+using System;
+using System.Text;
 using UnityEngine;
 
 namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
@@ -17,6 +19,26 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 	/// </summary>
 	public class HandGrabInteractor : MonoBehaviour, IHandGrabber
 	{
+		#region Log
+
+		const string LOG_TAG = "VIVE.OpenXR.Toolkits.RealisticHandInteraction.HandGrabInteractor";
+		private StringBuilder m_sb = null;
+		internal StringBuilder sb
+		{
+			get
+			{
+				if (m_sb == null) { m_sb = new StringBuilder(); }
+				return m_sb;
+			}
+		}
+		private void DEBUG(string msg) { Debug.Log($"{LOG_TAG}, {msg}"); }
+		private void WARNING(string msg) { Debug.LogWarning($"{LOG_TAG}, {msg}"); }
+		private void ERROR(string msg) { Debug.LogError($"{LOG_TAG}, {msg}"); }
+		int logFrame = 0;
+		bool printIntervalLog => logFrame == 0;
+
+		#endregion
+
 		private enum GrabState
 		{
 			None,
@@ -40,43 +62,23 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 		private float m_GrabDistance = 0.03f;
 		public float grabDistance { get { return m_GrabDistance; } set { m_GrabDistance = value; } }
 
-		[SerializeField]
-		private bool m_EnableCollider = true;
-		public bool enableCollider
-		{
-			get { return m_EnableCollider; }
-			set
-			{
-				m_EnableCollider = value;
-				if (colliderManager != null)
-				{
-					colliderManager.EnableCollider(m_EnableCollider);
-				}
-			}
-		}
-
 		public bool isLeft => handedness == Handedness.Left;
-		#endregion
 
 		[SerializeField]
-		private GrabColliderManager colliderManager;
+		private HandGrabberEvent m_OnBeginGrab = new HandGrabberEvent();
+		public HandGrabberEvent onBeginGrab => m_OnBeginGrab;
+
+		[SerializeField]
+		private HandGrabberEvent m_OnEndGrab = new HandGrabberEvent();
+		public HandGrabberEvent onEndGrab => m_OnEndGrab;
+		#endregion
 
 		private readonly float MinGrabScore = 0.25f;
 		private readonly float MinDistanceScore = 0.25f;
-		private HandGrabInteractable currentCaidate = null;
+		private HandGrabInteractable currentCandidate = null;
-		private GrabPose grabPose = GrabPose.Identity;
 		private GrabState m_State = GrabState.None;
-		private Pose[] fingerTipPoses => new Pose[]
+		private Pose wristPose = Pose.identity;
-		{
+		private Vector3[] fingerTipPosition = new Vector3[(int)FingerId.Count];
-			m_HandGrabState.GetJointPose(JointType.Thumb_Tip),
-			m_HandGrabState.GetJointPose(JointType.Index_Tip),
-			m_HandGrabState.GetJointPose(JointType.Middle_Tip),
-			m_HandGrabState.GetJointPose(JointType.Ring_Tip),
-			m_HandGrabState.GetJointPose(JointType.Pinky_Tip),
-		};
-		private Pose palmPose => m_HandGrabState.GetJointPose(JointType.Palm);
-		private Pose[] frozenPoses = new Pose[(int)JointType.Count];
-		private bool isFrozen = false;
 		private OnBeginGrab beginGrabHandler;
 		private OnEndGrab endGrabHandler;
 
@@ -86,45 +88,36 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 			m_HandGrabState = new HandGrabState(isLeft);
 		}
 
-		private void Start()
-		{
-			if (colliderManager != null)
-			{
-				colliderManager.EnableCollider(m_EnableCollider);
-			}
-		}
-
 		private void OnEnable()
 		{
 			GrabManager.RegisterGrabber(this);
-			if (colliderManager != null)
-			{
-				colliderManager.AddImmovableCollisionListener(FreezeHandPose);
-			}
 		}
 
 		private void OnDisable()
 		{
 			GrabManager.UnregisterGrabber(this);
-			if (colliderManager != null)
-			{
-				colliderManager.RemoveImmovableCollisionListener(FreezeHandPose);
-			}
 		}
 
 		private void Update()
 		{
 			m_HandGrabState.UpdateState();
-			if (isFrozen)
+
+			HandPose handPose = HandPoseProvider.GetHandPose(isLeft ? HandPoseType.HAND_LEFT : HandPoseType.HAND_RIGHT);
+			if (handPose != null)
 			{
-				return;
+				handPose.GetPosition(JointType.Wrist, out wristPose.position);
+				handPose.GetRotation(JointType.Wrist, out wristPose.rotation);
+				handPose.GetPosition(JointType.Thumb_Tip, out fingerTipPosition[(int)FingerId.Thumb]);
+				handPose.GetPosition(JointType.Index_Tip, out fingerTipPosition[(int)FingerId.Index]);
+				handPose.GetPosition(JointType.Middle_Tip, out fingerTipPosition[(int)FingerId.Middle]);
+				handPose.GetPosition(JointType.Ring_Tip, out fingerTipPosition[(int)FingerId.Ring]);
+				handPose.GetPosition(JointType.Pinky_Tip, out fingerTipPosition[(int)FingerId.Pinky]);
 			}
 
 			if (m_State != GrabState.Grabbing)
 			{
 				FindCandidate();
 			}
-
 			switch (m_State)
 			{
 				case GrabState.None:
@@ -142,51 +135,15 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 
 		#region Public Interface
 		/// <summary>
-		/// Get the current joint pose of the grabber.
+		/// Checks if the specified joint type is required.
 		/// </summary>
-		/// <param name="jointId">The id of the joint for which to get the pose.</param>
+		/// <param name="joint">The joint that need to check.</param>
-		/// <returns>The current pose of the specified joint.</returns>
+		/// <returns>True if the joint is required; otherwise, false.</returns>
-		public Pose GetCurrentJointPose(int jointId)
-		{
-			if (isFrozen)
-			{
-				return frozenPoses[jointId];
-			}
-			return m_HandGrabState.GetJointPose(jointId);
-		}
-
-		/// <summary>
-		/// Get the rotation of the joint in the grab pose.
-		/// </summary>
-		/// <param name="jointId">The id of the joint for which to get the rotation.</param>
-		/// <returns>The rotation of the joint in the grab pose.</returns>
-		public bool GetGrabPoseJointRotation(int jointId, out Quaternion rotation)
-		{
-			rotation = Quaternion.identity;
-			if (m_Grabbable == null) { return false; }
-			if (jointId >= 0 && grabPose.recordedGrabRotations.Length > jointId)
-			{
-				rotation = grabPose.recordedGrabRotations[jointId];
-				return true;
-			}
-			else if (grabPose.handGrabGesture != HandGrabGesture.Identity)
-			{
-				rotation = m_HandGrabState.GetDefaultJointRotationInGesture(grabPose.handGrabGesture, jointId);
-				return true;
-			}
-			return false;
-		}
-
-		/// <summary>
-		/// Check if the specific joint is necessary for grabbing.
-		/// </summary>
-		/// <param name="joint">JointType of the specified joint.</param>
-		/// <returns>Return true if this joint is needed for grabbing, otherwise false.</returns>
 		public bool IsRequiredJoint(JointType joint)
 		{
 			if (m_Grabbable != null)
 			{
-				GetJointIndex(joint, out int group, out _);
+				HandData.GetJointIndex(joint, out int group, out _);
 				switch (group)
 				{
 					case 2: return m_Grabbable.fingerRequirement.thumb == GrabRequirement.Required;
@@ -203,6 +160,7 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 		/// Add a listener for the event triggered when the grabber begins grabbing.
 		/// </summary>
 		/// <param name="handler">The method to be called when the grabber begins grabbing.</param>
+		[Obsolete("Please use onBeginGrab instead.")]
 		public void AddBeginGrabListener(OnBeginGrab handler)
 		{
 			beginGrabHandler += handler;
@@ -212,6 +170,7 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 		/// Remove a listener for the event triggered when the grabber begins grabbing.
 		/// </summary>
 		/// <param name="handler">The method to be removed from the event listeners.</param>
+		[Obsolete("Please use onBeginGrab instead.")]
 		public void RemoveBeginGrabListener(OnBeginGrab handler)
 		{
 			beginGrabHandler -= handler;
@@ -221,6 +180,7 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 		/// Add a listener for the event triggered when the grabber ends grabbing.
 		/// </summary>
 		/// <param name="handler">The method to be called when the grabber ends grabbing.</param>
+		[Obsolete("Please use onEndGrab instead.")]
 		public void AddEndGrabListener(OnEndGrab handler)
 		{
 			endGrabHandler += handler;
@@ -230,6 +190,7 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 		/// Remove a listener for the event triggered when the grabber ends grabbing.
 		/// </summary>
 		/// <param name="handler">The method to be removed from the event listeners.</param>
+		[Obsolete("Please use onEndGrab instead.")]
 		public void RemoveEndGrabListener(OnEndGrab handler)
 		{
 			endGrabHandler -= handler;
@@ -241,19 +202,20 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 		/// </summary>
 		private void FindCandidate()
 		{
+			currentCandidate = null;
 			float distanceScore = float.MinValue;
 			if (GetClosestGrabbable(m_GrabDistance, out HandGrabInteractable grabbable, out float score) && score > distanceScore)
 			{
 				distanceScore = score;
-				currentCaidate = grabbable;
+				currentCandidate = grabbable;
 			}
 
-			if (currentCaidate != null)
+			if (currentCandidate != null)
 			{
-				float grabScore = Grab.CalculateHandGrabScore(this, currentCaidate);
+				float grabScore = Grab.CalculateHandGrabScore(this, currentCandidate);
 				if (distanceScore < MinDistanceScore || grabScore < MinGrabScore)
 				{
-					currentCaidate = null;
+					currentCandidate = null;
 				}
 			}
 		}
@@ -272,9 +234,10 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 			foreach (HandGrabInteractable interactable in GrabManager.handGrabbables)
 			{
 				interactable.ShowIndicator(false, this);
-				foreach (Pose fingerTipPose in fingerTipPoses)
+
+				foreach (Vector3 tipPos in fingerTipPosition)
 				{
-					float distanceScore = interactable.CalculateDistanceScore(fingerTipPose.position, grabDistance);
+					float distanceScore = interactable.CalculateDistanceScore(tipPos, grabDistance);
 					if (distanceScore > maxScore)
 					{
 						maxScore = distanceScore;
@@ -294,7 +257,7 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 		/// </summary>
 		private void NoneUpdate()
 		{
-			if (currentCaidate != null)
+			if (currentCandidate != null)
 			{
 				m_State = GrabState.Hover;
 			}
@@ -305,27 +268,22 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 		/// </summary>
 		private void HoverUpdate()
 		{
-			if (currentCaidate == null)
+			if (currentCandidate == null)
 			{
 				m_State = GrabState.None;
 				return;
 			}
 
-			if (Grab.HandBeginGrab(this, currentCaidate))
+			if (Grab.HandBeginGrab(this, currentCandidate))
 			{
 				m_State = GrabState.Grabbing;
-
+				m_Grabbable = currentCandidate;
-				m_Grabbable = currentCaidate;
 				m_Grabbable.SetGrabber(this);
 				m_Grabbable.ShowIndicator(false, this);
-				grabPose = m_Grabbable.bestGrabPose;
-				if (grabPose == GrabPose.Identity)
-				{
-					Vector3 posOffset = m_Grabbable.transform.position - palmPose.position;
-					Quaternion rotOffset = palmPose.rotation;
-					grabPose.grabOffset = new GrabOffset(m_Grabbable.transform.position, m_Grabbable.transform.rotation, posOffset, rotOffset);
-				}
 				beginGrabHandler?.Invoke(this);
+				onBeginGrab?.Invoke(this);
+
+				DEBUG($"The {(m_Handedness == Handedness.Left ? "left" : "right")} hand begins to grab the {m_Grabbable.name}");
 			}
 		}
 
@@ -336,55 +294,16 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 		{
 			if (Grab.HandDoneGrab(this, m_Grabbable) || !Grab.HandIsGrabbing(this, m_Grabbable))
 			{
+				DEBUG($"The {(m_Handedness == Handedness.Left ? "left" : "right")} hand ends to grab the {m_Grabbable.name}");
+
+				endGrabHandler?.Invoke(this);
+				onEndGrab?.Invoke(this);
 				m_Grabbable.SetGrabber(null);
 				m_Grabbable = null;
 				m_State = GrabState.Hover;
-				endGrabHandler?.Invoke(this);
 				return;
 			}
-
+			m_Grabbable.UpdatePositionAndRotation(wristPose);
-			Quaternion handRotOffset = palmPose.rotation * Quaternion.Inverse(grabPose.grabOffset.rotation);
-			Vector3 currentPos = palmPose.position + handRotOffset * grabPose.grabOffset.position;
-			Quaternion currentRot = handRotOffset * grabPose.grabOffset.targetRotation;
-			m_Grabbable.transform.SetPositionAndRotation(currentPos, currentRot);
-		}
-
-		/// <summary>
-		/// Freezes or unfreezes the hand pose.
-		/// </summary>
-		/// <param name="enable">True to freeze the hand pose; False to unfreeze.</param>
-		private void FreezeHandPose(bool enable)
-		{
-			isFrozen = enable;
-			if (isFrozen)
-			{
-				for (int i = 0; i < frozenPoses.Length; i++)
-				{
-					frozenPoses[i] = m_HandGrabState.GetJointPose(i);
-				}
-			}
-		}
-
-		/// <summary>
-		/// Get the position of a specific joint.
-		/// </summary>
-		/// <param name="joint">The type of joint to get.</param>
-		/// <param name="position">The reference to store the position of the joint.</param>
-		/// <returns>True if the joint position is successfully retrieved; otherwise, false.</returns>
-		private void GetJointIndex(JointType joint, out int group, out int index)
-		{
-			int jointId = (int)joint + 1;
-			group = 0;
-			index = jointId;
-
-			// palm, wrist, thumb, index, middle, ring, pinky
-			int[] fingerGroup = { 1, 1, 4, 5, 5, 5, 5 };
-			while (index > fingerGroup[group])
-			{
-				index -= fingerGroup[group];
-				group += 1;
-			}
-			index -= 1;
 		}
 	}
 }

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Scripts/Grab/OneGrabMoveConstraint.cs

@@ -0,0 +1,148 @@
+using System.Text;
+using UnityEngine;
+
+namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction 
+{
+	public class OneGrabMoveConstraint : IOneHandContraintMovement
+	{
+		#region Log
+
+		const string LOG_TAG = "VIVE.OpenXR.Toolkits.RealisticHandInteraction.OneGrabMoveConstraint";
+		private StringBuilder m_sb = null;
+		internal StringBuilder sb
+		{
+			get
+			{
+				if (m_sb == null) { m_sb = new StringBuilder(); }
+				return m_sb;
+			}
+		}
+		private void DEBUG(string msg) { Debug.Log($"{LOG_TAG}, {msg}"); }
+		private void WARNING(string msg) { Debug.LogWarning($"{LOG_TAG}, {msg}"); }
+		private void ERROR(string msg) { Debug.LogError($"{LOG_TAG}, {msg}"); }
+		int logFrame = 0;
+		bool printIntervalLog => logFrame == 0;
+
+		#endregion
+
+		[SerializeField]
+		private Transform m_Constraint;
+		[SerializeField]
+		private ConstraintInfo m_NegativeXMove = ConstraintInfo.Identity;
+		private float defaultNegativeXPos = 0.0f;
+		[SerializeField]
+		private ConstraintInfo m_PositiveXMove = ConstraintInfo.Identity;
+		private float defaultPositiveXPos = 0.0f;
+		[SerializeField]
+		private ConstraintInfo m_NegativeYMove = ConstraintInfo.Identity;
+		private float defaultNegativeYPos = 0.0f;
+		[SerializeField]
+		private ConstraintInfo m_PositiveYMove = ConstraintInfo.Identity;
+		private float defaultPositiveYPos = 0.0f;
+		[SerializeField]
+		private ConstraintInfo m_NegativeZMove = ConstraintInfo.Identity;
+		private float defaultNegativeZPos = 0.0f;
+		[SerializeField]
+		private ConstraintInfo m_PositiveZMove = ConstraintInfo.Identity;
+		private float defaultPositiveZPos = 0.0f;
+		private Pose previousHandPose = Pose.identity;
+		private GrabPose currentGrabPose = GrabPose.Identity;
+
+		public override void Initialize(IGrabbable grabbable)
+		{
+			if (grabbable is HandGrabInteractable handGrabbable)
+			{
+				if (m_Constraint == null)
+				{
+					m_Constraint = handGrabbable.transform;
+					WARNING("Since no constraint object is set, self will be used as the constraint object.");
+				}
+			}
+
+			if (m_NegativeXMove.enableConstraint) { defaultNegativeXPos = m_Constraint.position.x - m_NegativeXMove.value; }
+			if (m_PositiveXMove.enableConstraint) { defaultPositiveXPos = m_Constraint.position.x + m_PositiveXMove.value; }
+			if (m_NegativeYMove.enableConstraint) { defaultNegativeYPos = m_Constraint.position.y - m_NegativeYMove.value; }
+			if (m_PositiveYMove.enableConstraint) { defaultPositiveYPos = m_Constraint.position.y + m_PositiveYMove.value; }
+			if (m_NegativeZMove.enableConstraint) { defaultNegativeZPos = m_Constraint.position.z - m_NegativeZMove.value; }
+			if (m_PositiveZMove.enableConstraint) { defaultPositiveZPos = m_Constraint.position.z + m_PositiveZMove.value; }
+		}
+
+		public override void OnBeginGrabbed(IGrabbable grabbable)
+		{
+			if (grabbable is HandGrabInteractable handGrabbable)
+			{
+				currentGrabPose = handGrabbable.bestGrabPose;
+			}
+
+			if (grabbable.grabber is HandGrabInteractor handGrabber)
+			{
+				HandPose handPose = HandPoseProvider.GetHandPose(handGrabber.isLeft ? HandPoseType.HAND_LEFT : HandPoseType.HAND_RIGHT);
+				handPose.GetPosition(JointType.Wrist, out Vector3 wristPos);
+				handPose.GetRotation(JointType.Wrist, out Quaternion wristRot);
+				previousHandPose = new Pose(wristPos, wristRot);
+			}
+		}
+
+		public override void UpdatePose(Pose handPose)
+		{
+			if (previousHandPose == Pose.identity)
+			{
+				previousHandPose = handPose;
+				return;
+			}
+
+			Quaternion previousRotOffset = previousHandPose.rotation * Quaternion.Inverse(currentGrabPose.grabOffset.sourceRotation);
+			Vector3 previousPos = previousHandPose.position + previousRotOffset * currentGrabPose.grabOffset.posOffset;
+
+			Quaternion currentRotOffset = handPose.rotation * Quaternion.Inverse(currentGrabPose.grabOffset.sourceRotation);
+			Vector3 currentPos = handPose.position + currentRotOffset * currentGrabPose.grabOffset.posOffset;
+
+			Vector3 handOffset = currentPos - previousPos;
+
+			if (m_NegativeXMove.enableConstraint)
+			{
+				float x = (m_Constraint.position + handOffset).x;
+				x = Mathf.Max(defaultNegativeXPos, x);
+				m_Constraint.position = new Vector3(x, m_Constraint.position.y, m_Constraint.position.z);
+			}
+			if (m_PositiveXMove.enableConstraint)
+			{
+				float x = (m_Constraint.position + handOffset).x;
+				x = Mathf.Min(defaultPositiveXPos, x);
+				m_Constraint.position = new Vector3(x, m_Constraint.position.y, m_Constraint.position.z);
+			}
+			if (m_NegativeYMove.enableConstraint)
+			{
+				float y = (m_Constraint.position + handOffset).y;
+				y = Mathf.Max(defaultNegativeYPos, y);
+				m_Constraint.position = new Vector3(m_Constraint.position.x, y, m_Constraint.position.z);
+			}
+			if (m_PositiveYMove.enableConstraint)
+			{
+				float y = (m_Constraint.position + handOffset).y;
+				y = Mathf.Min(defaultPositiveYPos, y);
+				m_Constraint.position = new Vector3(m_Constraint.position.x, y, m_Constraint.position.z);
+			}
+			if (m_NegativeZMove.enableConstraint)
+			{
+				float z = (m_Constraint.position + handOffset).z;
+				z = Mathf.Max(defaultNegativeZPos, z);
+				m_Constraint.position = new Vector3(m_Constraint.position.x, m_Constraint.position.y, z);
+			}
+			if (m_PositiveZMove.enableConstraint)
+			{
+				float z = (m_Constraint.position + handOffset).z;
+				z = Mathf.Min(defaultPositiveZPos, z);
+				m_Constraint.position = new Vector3(m_Constraint.position.x, m_Constraint.position.y, z);
+			}
+
+			previousHandPose = handPose;
+		}
+
+		public override void OnEndGrabbed(IGrabbable grabbable)
+		{
+			currentGrabPose = GrabPose.Identity;
+			previousHandPose = Pose.identity;
+		}
+	}
+}

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Scripts/Grab/OneGrabMoveConstraint.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 6d521c71dbb8287409daf6ef81005d79
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Scripts/Grab/OneGrabRotateConstraint.cs

@@ -0,0 +1,123 @@
+using System.Text;
+using UnityEngine;
+
+namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
+{
+	public class OneGrabRotateConstraint : IOneHandContraintMovement
+	{
+		#region Log
+
+		const string LOG_TAG = "VIVE.OpenXR.Toolkits.RealisticHandInteraction.OneGrabRotateConstraint";
+		private StringBuilder m_sb = null;
+		internal StringBuilder sb
+		{
+			get
+			{
+				if (m_sb == null) { m_sb = new StringBuilder(); }
+				return m_sb;
+			}
+		}
+		private void DEBUG(string msg) { Debug.Log($"{LOG_TAG}, {msg}"); }
+		private void WARNING(string msg) { Debug.LogWarning($"{LOG_TAG}, {msg}"); }
+		private void ERROR(string msg) { Debug.LogError($"{LOG_TAG}, {msg}"); }
+		int logFrame = 0;
+		bool printIntervalLog => logFrame == 0;
+
+		#endregion
+
+		private enum RotationAxis
+		{
+			XAxis = 0,
+			YAxis = 1,
+			ZAxis = 2,
+		}
+
+		[SerializeField]
+		private Transform m_Constraint;
+		[SerializeField]
+		private Transform m_Pivot;
+		[SerializeField]
+		private RotationAxis m_RotationAxis = RotationAxis.XAxis;
+		[SerializeField]
+		private ConstraintInfo m_ClockwiseAngle = ConstraintInfo.Identity;
+		[SerializeField]
+		private ConstraintInfo m_CounterclockwiseAngle = ConstraintInfo.Identity;
+		private float totalRotationAngle = 0.0f;
+		private Pose previousHandPose = Pose.identity;
+
+		public override void Initialize(IGrabbable grabbable)
+		{
+			if (grabbable is HandGrabInteractable handGrabbable)
+			{
+				if (m_Constraint == null)
+				{
+					m_Constraint = handGrabbable.transform;
+					WARNING("Since no constraint object is set, self will be used as the constraint object.");
+				}
+				if (m_Pivot == null)
+				{
+					m_Pivot = handGrabbable.transform;
+					WARNING("Since no pivot is set, self will be used as the pivot.");
+				}
+			}
+		}
+
+		public override void OnBeginGrabbed(IGrabbable grabbable)
+		{
+			if (grabbable.grabber is HandGrabInteractor handGrabber)
+			{
+				HandPose handPose = HandPoseProvider.GetHandPose(handGrabber.isLeft ? HandPoseType.HAND_LEFT : HandPoseType.HAND_RIGHT);
+				handPose.GetPosition(JointType.Wrist, out Vector3 wristPos);
+				handPose.GetRotation(JointType.Wrist, out Quaternion wristRot);
+				previousHandPose = new Pose(wristPos, wristRot);
+			}
+		}
+
+		public override void UpdatePose(Pose handPose)
+		{
+			if (previousHandPose == Pose.identity)
+			{
+				previousHandPose = handPose;
+				return;
+			}
+
+			Vector3 axis = Vector3.zero;
+			switch (m_RotationAxis)
+			{
+				case RotationAxis.XAxis: axis = Vector3.right; break;
+				case RotationAxis.YAxis: axis = Vector3.up; break;
+				case RotationAxis.ZAxis: axis = Vector3.forward; break;
+			}
+			Vector3 worldAxis = m_Pivot.TransformDirection(axis);
+
+			Vector3 previousOffset = previousHandPose.position - m_Pivot.position;
+			Vector3 previousVector = Vector3.ProjectOnPlane(previousOffset, worldAxis);
+
+			Vector3 targetOffset = handPose.position - m_Pivot.position;
+			Vector3 targetVector = Vector3.ProjectOnPlane(targetOffset, worldAxis);
+
+			float angleDelta = Vector3.Angle(previousVector, targetVector);
+			angleDelta *= Vector3.Dot(Vector3.Cross(previousVector, targetVector), worldAxis) > 0.0f ? 1.0f : -1.0f;
+
+			float previousAngle = totalRotationAngle;
+			totalRotationAngle += angleDelta;
+			if (m_CounterclockwiseAngle.enableConstraint)
+			{
+				totalRotationAngle = Mathf.Max(totalRotationAngle, -m_CounterclockwiseAngle.value);
+			}
+			if (m_ClockwiseAngle.enableConstraint)
+			{
+				totalRotationAngle = Mathf.Min(totalRotationAngle, m_ClockwiseAngle.value);
+			}
+			angleDelta = totalRotationAngle - previousAngle;
+			m_Constraint.RotateAround(m_Pivot.position, worldAxis, angleDelta);
+
+			previousHandPose = handPose;
+		}
+
+		public override void OnEndGrabbed(IGrabbable grabbable)
+		{
+			previousHandPose = Pose.identity;
+		}
+	}
+}

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Scripts/Grab/OneGrabRotateConstraint.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 7f25051021522804d90dc5448b7657a2
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Scripts/HandColliderController.cs

@@ -0,0 +1,371 @@
+// "Wave SDK 
+// © 2020 HTC Corporation. All Rights Reserved.
+//
+// Unless otherwise required by copyright law and practice,
+// upon the execution of HTC SDK license agreement,
+// HTC grants you access to and use of the Wave SDK(s).
+// You shall fully comply with all of HTC’s SDK license agreement terms and
+// conditions signed by you and all SDK and API requirements,
+// specifications, and documentation provided by HTC to You."
+
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using UnityEngine;
+
+namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
+{
+	public class HandColliderController : MonoBehaviour
+	{
+		#region Log
+
+		const string LOG_TAG = "VIVE.OpenXR.Toolkits.RealisticHandInteraction.HandColliderController";
+		private void DEBUG(string msg) { Debug.Log($"{LOG_TAG}, {msg}"); }
+		private void WARNING(string msg) { Debug.LogWarning($"{LOG_TAG}, {msg}"); }
+		private void ERROR(string msg) { Debug.LogError($"{LOG_TAG}, {msg}"); }
+		int logFrame = 0;
+		bool printIntervalLog => logFrame == 0;
+
+		#endregion
+
+		private HandMeshManager m_HandMesh;
+		public HandMeshManager handMesh { get { return m_HandMesh; } set { m_HandMesh = value; } }
+
+		private bool m_EnableCollider = true;
+		public bool enableCollider
+		{
+			get { return m_EnableCollider; }
+			set
+			{
+				m_EnableCollider = value;
+				rootJoint.gameObject.SetActive(m_EnableCollider);
+			}
+		}
+
+		#region Name Definition
+		// The order of joint name MUST align with runtime's definition
+		private readonly string[] JointsName = new string[]
+		{
+				"WaveBone_0",  // WVR_HandJoint_Palm = 0
+				"WaveBone_1", // WVR_HandJoint_Wrist = 1
+				"WaveBone_2", // WVR_HandJoint_Thumb_Joint0 = 2
+				"WaveBone_3", // WVR_HandJoint_Thumb_Joint1 = 3
+				"WaveBone_4", // WVR_HandJoint_Thumb_Joint2 = 4
+				"WaveBone_5", // WVR_HandJoint_Thumb_Tip = 5
+				"WaveBone_6", // WVR_HandJoint_Index_Joint0 = 6
+				"WaveBone_7", // WVR_HandJoint_Index_Joint1 = 7
+				"WaveBone_8", // WVR_HandJoint_Index_Joint2 = 8
+				"WaveBone_9", // WVR_HandJoint_Index_Joint3 = 9
+				"WaveBone_10", // WVR_HandJoint_Index_Tip = 10
+				"WaveBone_11", // WVR_HandJoint_Middle_Joint0 = 11
+				"WaveBone_12", // WVR_HandJoint_Middle_Joint1 = 12
+				"WaveBone_13", // WVR_HandJoint_Middle_Joint2 = 13
+				"WaveBone_14", // WVR_HandJoint_Middle_Joint3 = 14
+				"WaveBone_15", // WVR_HandJoint_Middle_Tip = 15
+				"WaveBone_16", // WVR_HandJoint_Ring_Joint0 = 16
+				"WaveBone_17", // WVR_HandJoint_Ring_Joint1 = 17
+				"WaveBone_18", // WVR_HandJoint_Ring_Joint2 = 18
+				"WaveBone_19", // WVR_HandJoint_Ring_Joint3 = 19
+				"WaveBone_20", // WVR_HandJoint_Ring_Tip = 20
+				"WaveBone_21", // WVR_HandJoint_Pinky_Joint0 = 21
+				"WaveBone_22", // WVR_HandJoint_Pinky_Joint0 = 22
+				"WaveBone_23", // WVR_HandJoint_Pinky_Joint0 = 23
+				"WaveBone_24", // WVR_HandJoint_Pinky_Joint0 = 24
+				"WaveBone_25" // WVR_HandJoint_Pinky_Tip = 25
+		};
+		#endregion
+
+		private float handMass = 1.0f;
+		private JointCollider[] jointsCollider = new JointCollider[(int)JointType.Count];
+		private Transform rootJoint = null;
+		private Transform rootJointParent = null;
+		private Rigidbody rootJointRigidbody = null;
+		private Vector3 lastRootPos;
+		private Quaternion lastRotation;
+		private bool isInit = false;
+		private bool isTracked = true;
+		private List<Vector3> collisionDirections = new List<Vector3>();
+		private bool isGrabbing = false;
+
+		#region MonoBehaviour
+
+		private void OnEnable()
+		{
+			StartCoroutine(WaitForInit());
+		}
+
+		private void OnDisable()
+		{
+			if (rootJoint != null)
+			{
+				JointCollider jointCollider = rootJoint.GetComponent<JointCollider>();
+				if (jointCollider != null)
+				{
+					jointCollider.RemoveJointCollisionListener(OnJointCollision);
+				}
+				Destroy(rootJoint.gameObject);
+			}
+			isInit = false;
+		}
+
+		private void Start()
+		{
+			JointCollider[] fullJointsCollider = FindObjectsOfType<JointCollider>(true);
+			for (int i = 0; i < fullJointsCollider.Length - 1; i++)
+			{
+				for (int j = i + 1; j < fullJointsCollider.Length; j++)
+				{
+					Physics.IgnoreCollision(fullJointsCollider[i].Collider, fullJointsCollider[j].Collider);
+				}
+			}
+		}
+
+		private void Update()
+		{
+			if (!isInit) { return; }
+
+			HandPose handPose = HandPoseProvider.GetHandPose(m_HandMesh.isLeft ? HandPoseType.HAND_LEFT : HandPoseType.HAND_RIGHT);
+			if (isTracked != handPose.IsTracked())
+			{
+				isTracked = handPose.IsTracked();
+				ChangeTrackingState(isTracked);
+			}
+			if (!isTracked) { return; }
+
+			for (int i = 0; i < jointsCollider.Length; i++)
+			{
+				if (jointsCollider[i] == null) { continue; }
+
+				handPose.GetPosition((JointType)i, out Vector3 jointPosition);
+				handPose.GetRotation((JointType)i, out Quaternion jointRotation);
+				if (i == (int)JointType.Wrist)
+				{
+					if (lastRootPos == Vector3.zero || lastRotation == Quaternion.identity)
+					{
+						rootJoint.localPosition = jointPosition;
+						rootJoint.localRotation = jointRotation;
+					}
+					lastRootPos = jointPosition;
+					lastRotation = jointRotation;
+				}
+				jointsCollider[i].transform.rotation = rootJointParent.rotation * jointRotation;
+			}
+			if (!isGrabbing)
+			{
+				m_HandMesh.SetJointPositionAndRotation(JointType.Wrist, rootJoint.position, rootJoint.rotation);
+			}
+		}
+
+		private void FixedUpdate()
+		{
+			if (lastRootPos == Vector3.zero || lastRotation == Quaternion.identity) { return; }
+
+			if (isGrabbing)
+			{
+				rootJointRigidbody.velocity = Vector3.zero;
+				rootJointRigidbody.angularVelocity = Vector3.zero;
+				rootJoint.localPosition = lastRootPos;
+				rootJoint.localRotation = lastRotation;
+			}
+			else
+			{
+				UpdateVelocity();
+				UpdateAngularVelocity();
+			}
+		}
+
+		#endregion
+
+		private IEnumerator WaitForInit()
+		{
+			yield return new WaitUntil(() => m_HandMesh != null);
+
+			if (rootJoint != null)
+			{
+				JointCollider jointCollider = rootJoint.GetComponent<JointCollider>();
+				jointCollider.AddJointCollisionListener(OnJointCollision);
+				rootJointRigidbody = jointCollider.InitRigidbody(handMass);
+				isInit = true;
+
+				DEBUG("Hand Collider init successfully.");
+			}
+		}
+
+		/// <summary>
+		/// Initializes by copying the structure of the hand mesh and sequentially adding joint collider.
+		/// </summary>
+		public void InitJointColliders(Transform handRootJoint)
+		{
+			rootJointParent = handRootJoint.parent;
+			rootJoint = Instantiate(handRootJoint, rootJointParent);
+			rootJoint.name = handRootJoint.name;
+			List<Transform> totalTransforms = new List<Transform>() { rootJoint };
+			GetAllChildrenTransforms(rootJoint, ref totalTransforms);
+
+			for (int i = 0; i < (int)JointType.Count; i++)
+			{
+				Transform target = totalTransforms.FirstOrDefault(x => x.name == JointsName[i]);
+				if (target != null)
+				{
+					JointCollider jointCollider = target.gameObject.AddComponent<JointCollider>();
+					jointCollider.SetJointId(i);
+					jointsCollider[i] = jointCollider;
+				}
+			}
+		}
+
+		private void GetAllChildrenTransforms(Transform parent, ref List<Transform> childrenTransforms)
+		{
+			foreach (Transform child in parent)
+			{
+				childrenTransforms.Add(child);
+				GetAllChildrenTransforms(child, ref childrenTransforms);
+			}
+		}
+
+		/// <summary>
+		/// Updates the velocity of a Rigidbody.
+		/// </summary>
+		private void UpdateVelocity()
+		{
+			Vector3 vel = (lastRootPos - rootJoint.position) / Time.deltaTime;
+			if (IsValidVelocity(vel))
+			{
+				if (collisionDirections.Count > 0)
+				{
+					float minAngle = float.MaxValue;
+					Vector3 closestDirection = Vector3.zero;
+					foreach (Vector3 direction in collisionDirections.ToList())
+					{
+						float angle = Mathf.Abs(Vector3.Angle(direction, vel));
+						if (angle < minAngle)
+						{
+							minAngle = angle;
+							closestDirection = direction;
+						}
+					}
+					collisionDirections.Clear();
+
+					Vector3 adjustedDirection = closestDirection;
+					if (Vector3.Dot(vel, closestDirection) > 0)
+					{
+						adjustedDirection *= -1f;
+					}
+					vel = Vector3.ProjectOnPlane(vel, adjustedDirection);
+					if (vel.magnitude > 1)
+					{
+						vel.Normalize();
+					}
+				}
+				rootJointRigidbody.velocity = vel;
+			}
+		}
+
+		/// <summary>
+		/// Updates the angularVelocity of a Rigidbody.
+		/// </summary>
+		private void UpdateAngularVelocity()
+		{
+			Quaternion diffRotation = Quaternion.Inverse(rootJoint.rotation) * lastRotation;
+			diffRotation.ToAngleAxis(out float angleInDegree, out Vector3 rotationAxis);
+			Vector3 angVel = (angleInDegree * rotationAxis * Mathf.Deg2Rad) / Time.deltaTime;
+			if (IsValidVelocity(angVel))
+			{
+				rootJointRigidbody.angularVelocity = angVel;
+			}
+		}
+
+		/// <summary>
+		/// Checks if the vector is valid.
+		/// </summary>
+		/// <param name="vector">The vector to be checked.</param>
+		/// <returns>rue if the vector is valid; otherwise, false.</returns>
+		private bool IsValidVelocity(Vector3 vector)
+		{
+			return !float.IsNaN(vector.x) && !float.IsNaN(vector.y) && !float.IsNaN(vector.z)
+				&& !float.IsInfinity(vector.x) && !float.IsInfinity(vector.y) && !float.IsInfinity(vector.z);
+		}
+
+		#region Event CallBack
+
+		/// <summary>
+		/// When tracking state changing, reset the pose and enable/disable collider.
+		/// </summary>
+		/// <param name="isTracked">The bool that tracking state.</param>
+		private void ChangeTrackingState(bool isTracked)
+		{
+			if (!isTracked)
+			{
+				lastRootPos = Vector3.zero;
+				lastRotation = Quaternion.identity;
+				rootJointRigidbody.velocity = Vector3.zero;
+				rootJointRigidbody.angularVelocity = Vector3.zero;
+			}
+			foreach (JointCollider jointCollider in jointsCollider)
+			{
+				jointCollider.Collider.enabled = m_EnableCollider && isTracked;
+			}
+		}
+
+		/// <summary>
+		/// Called when the hand begins grabbing an object.
+		/// </summary>
+		/// <param name="grabber">The grabber that grabbing something.</param>
+		public void OnHandBeginGrab(IGrabber grabber)
+		{
+			EnableKinematic(true);
+			isGrabbing = true;
+		}
+
+		/// <summary>
+		/// Called when the hand ends grabbing an object.
+		/// </summary>
+		/// <param name="grabber">The grabber that releasing something.</param>
+		public void OnHandEndGrab(IGrabber grabber)
+		{
+			EnableKinematic(false);
+			isGrabbing = false;
+		}
+
+		/// <summary>
+		/// Enable/Disable the rigidbody of hand collider.
+		/// </summary>
+		/// <param name="enable">The bool that enable or disable the rigidbody.</param>
+		private void EnableKinematic(bool enable)
+		{
+			if (rootJointRigidbody != null)
+			{
+				rootJointRigidbody.isKinematic = enable;
+			}
+		}
+
+		/// <summary>
+		///  Called when a joint collider collides with another object.
+		/// </summary>
+		/// <param name="collision">The collision data.</param>
+		/// <param name="state">The state of the collision.</param>
+		private void OnJointCollision(Collision collision, JointCollider.CollisionState state)
+		{
+			if (isGrabbing) { return; }
+
+			switch (state)
+			{
+				case JointCollider.CollisionState.Enter:
+				case JointCollider.CollisionState.Stay:
+					if (collision.contactCount > 0 && (collision.rigidbody == null || collision.rigidbody.isKinematic))
+					{
+						ContactPoint[] contactPoints = new ContactPoint[collision.contactCount];
+						collision.GetContacts(contactPoints);
+						foreach (ContactPoint contactPoint in contactPoints)
+						{
+							collisionDirections.Add(contactPoint.normal * -1f);
+						}
+					}
+					break;
+			}
+		}
+
+		#endregion
+	}
+}

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Scripts/HandColliderController.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 199fd8ec06e6e7e49a3fab9a9b7e7988
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Scripts/HandInteractionUtils.cs

@@ -12,6 +12,8 @@ using System;
 using System.Collections.Generic;
 using System.Text;
 using UnityEngine;
+using UnityEngine.Events;
+
 
 #if UNITY_XR_HANDS
 using UnityEngine.XR.Hands;
@@ -779,7 +781,7 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 		/// <param name="joint">The type of joint.</param>
 		/// <param name="rotation">The reference to store the default joint rotation.</param>
 		/// <returns>True if the default joint rotation is successfully retrieved; otherwise, false.</returns>
-		public bool GetDefaultJointRotationInGesture(bool isLeft, HandGrabGesture handGrabGesture, JointType joint, ref Quaternion rotation)
+		public static bool GetDefaultJointRotationInGesture(bool isLeft, HandGrabGesture handGrabGesture, JointType joint, ref Quaternion rotation)
 		{
 			FingerBendingLevel bendingLevel = FingerBendingLevel.Level0;
 			GetJointIndex(joint, out int group, out int index);
@@ -802,7 +804,7 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 		/// <param name="joint">The type of joint.</param>
 		/// <param name="group">The group to which the joint belongs.</param>
 		/// <param name="index">The index of the joint within its group.</param>
-		private static void GetJointIndex(JointType joint, out int group, out int index)
+		public static void GetJointIndex(JointType joint, out int group, out int index)
 		{
 			int jointId = (int)joint + 1;
 			group = 0;
@@ -1448,19 +1450,6 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 			hand.GetJointRotation((JointType)jointId, ref rot);
 			return new Pose(pos, rot);
 		}
-
-		/// <summary>
-		/// Get the default joint rotation for a specific HandGrabGesture and joint type.
-		/// </summary>
-		/// <param name="handGrabGesture">The HandGrabGesture is a gesture where a hand grabs.</param>
-		/// <param name="jointId">The index of joint.</param>
-		/// <returns>The default rotation of the specified joint in local coordinates.</returns>
-		public Quaternion GetDefaultJointRotationInGesture(HandGrabGesture handGrabGesture, int jointId)
-		{
-			Quaternion rotation = Quaternion.identity;
-			hand.GetDefaultJointRotationInGesture(m_IsLeft, handGrabGesture, (JointType)jointId, ref rotation);
-			return rotation;
-		}
 	}
 
 	#region Grab Framework
@@ -1665,35 +1654,46 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 	[Serializable]
 	public struct GrabOffset
 	{
+		[SerializeField]
+		public Vector3 sourcePosition;
+		[SerializeField]
+		public Quaternion sourceRotation;
 		[SerializeField]
 		public Vector3 targetPosition;
 		[SerializeField]
 		public Quaternion targetRotation;
-		[SerializeField]
-		public Vector3 position;
-		[SerializeField]
-		public Quaternion rotation;
 
-		public GrabOffset(Vector3 in_TargetPosition, Quaternion in_targetRotation, Vector3 in_Position, Quaternion in_Rotation)
+		public Vector3 posOffset => targetPosition - sourcePosition;
+		public Quaternion rotOffset => Quaternion.Inverse(sourceRotation) * targetRotation;
+
+		public GrabOffset(Vector3 in_SourcePosition, Quaternion in_SourceRotation, Vector3 in_TargetPosition, Quaternion in_targetRotation)
 		{
+			sourcePosition = in_SourcePosition;
+			sourceRotation = in_SourceRotation;
 			targetPosition = in_TargetPosition;
 			targetRotation = in_targetRotation;
-			position = in_Position;
-			rotation = in_Rotation;
 		}
 
 		public static GrabOffset Identity => new GrabOffset(Vector3.zero, Quaternion.identity, Vector3.zero, Quaternion.identity);
 
-		public void Update(Pose OffsetPose)
+		public void UpdateSource(Vector3 pos, Quaternion rot)
 		{
-			position = OffsetPose.position;
+			sourcePosition = pos;
-			rotation = OffsetPose.rotation;
+			sourceRotation = rot;
 		}
 
-		public void Update(Vector3 pos, Quaternion rot)
+		public void UpdateTarget(Vector3 pos, Quaternion rot)
 		{
-			position = pos;
+			targetPosition = pos;
-			rotation = rot;
+			targetRotation = rot;
+		}
+
+		public void Update(Vector3 in_SourcePosition, Quaternion in_SourceRotation, Vector3 in_TargetPosition, Quaternion in_targetRotation)
+		{
+			sourcePosition = in_SourcePosition;
+			sourceRotation = in_SourceRotation;
+			targetPosition = in_TargetPosition;
+			targetRotation = in_targetRotation;
 		}
 
 		public void Reset()
@@ -1704,16 +1704,17 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 		public override bool Equals(object obj)
 		{
 			return obj is GrabOffset grabOffset &&
-				   position == grabOffset.position &&
+				   sourcePosition == grabOffset.sourcePosition &&
-				   rotation == grabOffset.rotation;
+				   sourceRotation == grabOffset.sourceRotation &&
+				   targetPosition == grabOffset.targetPosition &&
+				   targetRotation == grabOffset.targetRotation;
 		}
 		public override int GetHashCode()
 		{
-			return position.GetHashCode() ^ rotation.GetHashCode();
+			return sourcePosition.GetHashCode() ^ sourceRotation.GetHashCode() ^ targetPosition.GetHashCode() ^ targetRotation.GetHashCode();
 		}
 		public static bool operator ==(GrabOffset source, GrabOffset target) => source.Equals(target);
 		public static bool operator !=(GrabOffset source, GrabOffset target) => !(source == target);
-
 	}
 
 	/// <summary>
@@ -1729,14 +1730,14 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 		[SerializeField]
 		public GameObject target;
 		[SerializeField]
-		public GrabOffset grabOffSet;
+		public GrabOffset grabOffset;
 
 		public Indicator(bool in_EnableIndicator, bool in_AutoIndicator, GameObject in_Target)
 		{
 			enableIndicator = in_EnableIndicator;
 			autoIndicator = in_AutoIndicator;
 			target = in_Target;
-			grabOffSet = GrabOffset.Identity;
+			grabOffset = GrabOffset.Identity;
 		}
 
 		public static Indicator Identity => new Indicator(true, true, null);
@@ -1778,13 +1779,11 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 		/// Calculates the grab offset based on the reference transform.
 		/// </summary>
 		/// <param name="refTransform">The reference transform used for calculation.</param>
-		public void CalculateGrabOffset(Transform refTransform)
+		public void CalculateGrabOffset(Vector3 grabbablePos, Quaternion grabbableRot)
 		{
 			if (target != null)
 			{
-				Vector3 pos = target.transform.position - refTransform.position;
+				grabOffset.Update(grabbablePos, grabbableRot, target.transform.position, target.transform.rotation);
-				Quaternion rot = Quaternion.Inverse(refTransform.rotation) * target.transform.rotation;
-				grabOffSet.Update(pos, rot);
 			}
 		}
 
@@ -1792,12 +1791,13 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 		/// Update the position and rotation of the target GameObject based on the reference transform.
 		/// </summary>
 		/// <param name="refTransform">The reference transform used for updating position and rotation.</param>
-		public void UpdatePositionAndRotation(Transform refTransform)
+		public void UpdatePositionAndRotation(Vector3 grabbablePos, Quaternion grabbableRot)
 		{
 			if (target != null)
 			{
-				target.transform.position = refTransform.position + refTransform.rotation * grabOffSet.position;
+				Quaternion handRotDiff = grabbableRot * Quaternion.Inverse(grabOffset.sourceRotation);
-				target.transform.rotation = refTransform.rotation * grabOffSet.rotation;
+				target.transform.position = grabbablePos + handRotDiff * grabOffset.posOffset;
+				target.transform.rotation = grabbableRot * grabOffset.rotOffset;
 			}
 		}
 
@@ -1807,11 +1807,11 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 				   enableIndicator == indicator.enableIndicator &&
 				   autoIndicator == indicator.autoIndicator &&
 				   target == indicator.target &&
-				   grabOffSet == indicator.grabOffSet;
+				   grabOffset == indicator.grabOffset;
 		}
 		public override int GetHashCode()
 		{
-			return enableIndicator.GetHashCode() ^ autoIndicator.GetHashCode() ^ target.GetHashCode() ^ grabOffSet.GetHashCode();
+			return enableIndicator.GetHashCode() ^ autoIndicator.GetHashCode() ^ target.GetHashCode() ^ grabOffset.GetHashCode();
 		}
 		public static bool operator ==(Indicator source, Indicator target) => source.Equals(target);
 		public static bool operator !=(Indicator source, Indicator target) => !(source == target);
@@ -1896,9 +1896,18 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 		public static bool operator !=(GrabPose source, GrabPose target) => !(source == target);
 	}
 
+	[Serializable]
+	public class HandGrabberEvent : UnityEvent<IGrabber> { };
+	[Serializable]
+	public class HandGrabbableEvent : UnityEvent<IGrabbable> { };
+
+	[Obsolete("Please use HandGrabberEvent instead.")]
 	public delegate void OnBeginGrab(IGrabber grabber);
+	[Obsolete("Please use HandGrabberEvent instead.")]
 	public delegate void OnEndGrab(IGrabber grabber);
+	[Obsolete("Please use HandGrabbableEvent instead.")]
 	public delegate void OnBeginGrabbed(IGrabbable grabbable);
+	[Obsolete("Please use HandGrabbableEvent instead.")]
 	public delegate void OnEndGrabbed(IGrabbable grabbable);
 
 	/// <summary>
@@ -1908,9 +1917,16 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 	{
 		IGrabbable grabbable { get; }
 		bool isGrabbing { get; }
+		HandGrabberEvent onBeginGrab { get; }
+		HandGrabberEvent onEndGrab { get; }
+
+		[Obsolete("Please use onBeginGrab instead.")]
 		void AddBeginGrabListener(OnBeginGrab handler);
+		[Obsolete("Please use onBeginGrab instead.")]
 		void RemoveBeginGrabListener(OnBeginGrab handler);
+		[Obsolete("Please use onEndGrab instead.")]
 		void AddEndGrabListener(OnEndGrab handler);
+		[Obsolete("Please use onEndGrab instead.")]
 		void RemoveEndGrabListener(OnEndGrab handler);
 	}
 
@@ -1931,11 +1947,17 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 		IGrabber grabber { get; }
 		bool isGrabbed { get; }
 		bool isGrabbable { get; }
-		bool forceMovable { get; }
+		HandGrabbableEvent onBeginGrabbed { get; }
+		HandGrabbableEvent onEndGrabbed { get; }
 		void SetGrabber(IGrabber grabber);
+
+		[Obsolete("Please use onBeginGrabbed instead.")]
 		void AddBeginGrabbedListener(OnBeginGrabbed handler);
+		[Obsolete("Please use onBeginGrabbed instead.")]
 		void RemoveBeginGrabbedListener(OnBeginGrabbed handler);
+		[Obsolete("Please use onEndGrabbed instead.")]
 		void AddEndGrabbedListener(OnEndGrabbed handler);
+		[Obsolete("Please use onEndGrabbed instead.")]
 		void RemoveEndGrabbedListener(OnEndGrabbed handler);
 	}
 
@@ -1947,6 +1969,33 @@ namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
 		FingerRequirement fingerRequirement { get; }
 	}
 
+	[Serializable]
+	public struct ConstraintInfo
+	{
+		[SerializeField]
+		public bool enableConstraint;
+		[SerializeField]
+		public float value;
+
+		public ConstraintInfo(bool in_EnableConstraint, float in_Value)
+		{
+			enableConstraint = in_EnableConstraint;
+			value = in_Value;
+		}
+
+		public static ConstraintInfo Identity => new ConstraintInfo(false, 0.0f);
+	}
+
+	public abstract class IMovement : MonoBehaviour
+	{
+		public abstract void Initialize(IGrabbable grabbable);
+		public abstract void OnBeginGrabbed(IGrabbable grabbable);
+		public abstract void UpdatePose(Pose updatedPose);
+		public abstract void OnEndGrabbed(IGrabbable grabbable);
+	}
+
+	public abstract class IOneHandContraintMovement : IMovement { }
+
 	/// <summary>
 	/// The class is designed to serve as the Hand Grab API.
 	/// </summary>

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Scripts/HandMeshManager.cs

@@ -0,0 +1,376 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using UnityEngine;
+
+namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
+{
+	/// <summary>
+	/// This class is designed to manage the positions of various joint nodes in the hand model.
+	/// </summary>
+	public class HandMeshManager : MonoBehaviour
+	{
+		#region Log
+
+		const string LOG_TAG = "VIVE.OpenXR.Toolkits.RealisticHandInteraction.HandMeshManager";
+		private void DEBUG(string msg) { Debug.Log($"{LOG_TAG}, {msg}"); }
+		private void WARNING(string msg) { Debug.LogWarning($"{LOG_TAG}, {msg}"); }
+		private void ERROR(string msg) { Debug.LogError($"{LOG_TAG}, {msg}"); }
+		int logFrame = 0;
+		bool printIntervalLog => logFrame == 0;
+
+		#endregion
+
+		[SerializeField]
+		private Handedness m_Handedness;
+		public bool isLeft { get { return m_Handedness == Handedness.Left; } }
+
+		[SerializeField]
+		private bool m_EnableCollider = false;
+		public bool enableCollider
+		{
+			get { return m_EnableCollider; }
+			set
+			{
+				m_EnableCollider = value;
+				if (m_EnableCollider && m_HandCollider == null)
+				{
+					InitHandCollider();
+				}
+				else if (m_HandCollider != null)
+				{
+					m_HandCollider.enableCollider = m_EnableCollider;
+				}
+			}
+		}
+
+		private HandColliderController m_HandCollider = null;
+		public HandColliderController handCollider => m_HandCollider;
+
+		[SerializeField]
+		private Transform[] m_HandJoints = new Transform[k_JointCount];
+
+		private const int k_JointCount = (int)JointType.Count;
+		private const int k_RootId = (int)JointType.Wrist;
+		private bool updateRoot = false;
+		private int updatedFrameCount = 0;
+		private bool isGrabbing = false;
+		private bool isConstraint = false;
+		private HandGrabInteractor handGrabber;
+		private Quaternion[] grabJointsRotation = new Quaternion[k_JointCount];
+
+		#region MonoBehaviours
+
+		private void OnEnable()
+		{
+			bool empty = m_HandJoints.Any(x => x == null);
+			if (empty)
+			{
+				ClearJoints();
+				FindJoints();
+			}
+
+			if (m_EnableCollider && m_HandCollider == null)
+			{
+				InitHandCollider();
+			}
+
+			MeshHandPose meshHandPose = transform.gameObject.AddComponent<MeshHandPose>();
+			meshHandPose.SetHandMeshRenderer(this);
+		}
+
+		private void OnDisable()
+		{
+			if (m_HandCollider != null)
+			{
+				Destroy(m_HandCollider);
+			}
+
+			MeshHandPose meshHandPose = transform.GetComponent<MeshHandPose>();
+			if (meshHandPose != null)
+			{
+				Destroy(meshHandPose);
+			}
+		}
+
+		private void Update()
+		{
+			HandData handData = CachedHand.Get(isLeft);
+			EnableHandModel(handData.isTracked);
+			if (!handData.isTracked) { return; }
+
+			//if (m_UseRuntimeModel || (!m_UseRuntimeModel && m_UseScale))
+			//{
+			//	Vector3 scale = Vector3.one;
+			//	if (GetHandScale(ref scale, isLeft))
+			//	{
+			//		m_HandJoints[rootId].localScale = scale;
+			//	}
+			//	else
+			//	{
+			//		m_HandJoints[rootId].localScale = Vector3.one;
+			//	}
+			//}
+
+			if (Time.frameCount - updatedFrameCount > 5)
+			{
+				updateRoot = false;
+			}
+			if (!updateRoot)
+			{
+				Vector3 rootPosition = Vector3.zero;
+				Quaternion rootRotation = Quaternion.identity;
+				handData.GetJointPosition((JointType)k_RootId, ref rootPosition);
+				handData.GetJointRotation((JointType)k_RootId, ref rootRotation);
+
+				m_HandJoints[k_RootId].position = m_HandJoints[k_RootId].parent.position + rootPosition;
+				m_HandJoints[k_RootId].rotation = m_HandJoints[k_RootId].parent.rotation * rootRotation;
+			}
+
+			for (int i = 0; i < m_HandJoints.Length; i++)
+			{
+				if (m_HandJoints[i] == null || i == k_RootId) { continue; }
+
+				Quaternion jointRotation = Quaternion.identity;
+				handData.GetJointRotation((JointType)i, ref jointRotation);
+				m_HandJoints[i].rotation = m_HandJoints[k_RootId].parent.rotation * jointRotation;
+			}
+
+			if (isGrabbing)
+			{
+				for (int i = 0; i < m_HandJoints.Length; i++)
+				{
+					if (i == k_RootId) { continue; }
+
+					Quaternion currentRotation = m_HandJoints[i].rotation;
+					Quaternion maxRotation = m_HandJoints[i].parent.rotation * grabJointsRotation[i];
+					if (isConstraint ||
+						handGrabber.IsRequiredJoint((JointType)i) ||
+						OverFlex(currentRotation, maxRotation) >= 0 ||
+						FlexAngle(currentRotation, maxRotation) >= 110)
+					{
+						m_HandJoints[i].rotation = maxRotation;
+					}
+				}
+			}
+		}
+
+		#endregion
+
+		#region Public Interface
+
+		public void OnHandBeginGrab(IGrabber grabber)
+		{
+			if (grabber is HandGrabInteractor handGrabber)
+			{
+				this.handGrabber = handGrabber;
+
+				if (grabber.grabbable is HandGrabInteractable handGrabbable)
+				{
+					if (handGrabbable.bestGrabPose != GrabPose.Identity)
+					{
+						if (handGrabbable.bestGrabPose.recordedGrabRotations.Length == (int)JointType.Count)
+						{
+							grabJointsRotation = handGrabbable.bestGrabPose.recordedGrabRotations;
+						}
+						else if (handGrabbable.bestGrabPose.handGrabGesture != HandGrabGesture.Identity)
+						{
+							for (int i = 0; i < grabJointsRotation.Length; i++)
+							{
+								HandData.GetDefaultJointRotationInGesture(isLeft, handGrabbable.bestGrabPose.handGrabGesture, (JointType)i, ref grabJointsRotation[i]);
+							}
+						}
+						isGrabbing = true;
+						isConstraint = handGrabbable.isContraint;
+					}
+				}
+			}
+
+			if (m_EnableCollider && m_HandCollider != null)
+			{
+				m_HandCollider.OnHandBeginGrab(grabber);
+			}
+		}
+
+		public void OnHandEndGrab(IGrabber grabber)
+		{
+			isGrabbing = false;
+			this.handGrabber = null;
+
+			if (m_EnableCollider && handCollider != null)
+			{
+				handCollider.OnHandEndGrab(grabber);
+			}
+		}
+
+		/// <summary>
+		/// Gets the position and rotation of the specified joint.
+		/// </summary>
+		/// <param name="joint">The joint type to get position and rotation from.</param>
+		/// <param name="position">The position of the joint.</param>
+		/// <param name="rotation">The rotation of the joint.</param>
+		/// <param name="local">Whether to get the local position and rotation.</param>
+		/// <returns>True if the joint position and rotation are successfully obtained; otherwise, false.</returns>
+		public bool GetJointPositionAndRotation(JointType joint, out Vector3 position, out Quaternion rotation, bool local = false)
+		{
+			position = Vector3.zero;
+			rotation = Quaternion.identity;
+			int jointId = (int)joint;
+			if (jointId >= 0 && jointId < k_JointCount && m_HandJoints[jointId] != null)
+			{
+				if (!local)
+				{
+					position = m_HandJoints[jointId].position;
+					rotation = m_HandJoints[jointId].rotation;
+				}
+				else
+				{
+					position = m_HandJoints[jointId].localPosition;
+					rotation = m_HandJoints[jointId].localRotation;
+				}
+				return true;
+			}
+			return false;
+		}
+
+		/// <summary>
+		/// Sets the position and rotation of the specified joint.
+		/// </summary>
+		/// <param name="joint">The joint type to set position and rotation for.</param>
+		/// <param name="position">The new position of the joint.</param>
+		/// <param name="rotation">The new rotation of the joint.</param>
+		/// <param name="local">Whether to set the local position and rotation.</param>
+		/// <returns>True if the joint position and rotation are successfully set; otherwise, false.</returns>
+		public bool SetJointPositionAndRotation(JointType joint, Vector3 position, Quaternion rotation, bool local = false)
+		{
+			int jointId = (int)joint;
+			if (jointId >= 0 && jointId < k_JointCount && m_HandJoints[jointId] != null)
+			{
+				if (!local)
+				{
+					m_HandJoints[jointId].position = position;
+					m_HandJoints[jointId].rotation = rotation;
+				}
+				else
+				{
+					m_HandJoints[jointId].localPosition = position;
+					m_HandJoints[jointId].localRotation = rotation;
+				}
+
+				if (joint == JointType.Wrist)
+				{
+					updatedFrameCount = Time.frameCount;
+					updateRoot = true;
+				}
+				return true;
+			}
+			return false;
+		}
+
+		#endregion
+
+		#region Name Definition
+		// The order of joint name MUST align with runtime's definition
+		private readonly string[] JointsName = new string[]
+		{
+				"WaveBone_0",  // WVR_HandJoint_Palm = 0
+				"WaveBone_1", // WVR_HandJoint_Wrist = 1
+				"WaveBone_2", // WVR_HandJoint_Thumb_Joint0 = 2
+				"WaveBone_3", // WVR_HandJoint_Thumb_Joint1 = 3
+				"WaveBone_4", // WVR_HandJoint_Thumb_Joint2 = 4
+				"WaveBone_5", // WVR_HandJoint_Thumb_Tip = 5
+				"WaveBone_6", // WVR_HandJoint_Index_Joint0 = 6
+				"WaveBone_7", // WVR_HandJoint_Index_Joint1 = 7
+				"WaveBone_8", // WVR_HandJoint_Index_Joint2 = 8
+				"WaveBone_9", // WVR_HandJoint_Index_Joint3 = 9
+				"WaveBone_10", // WVR_HandJoint_Index_Tip = 10
+				"WaveBone_11", // WVR_HandJoint_Middle_Joint0 = 11
+				"WaveBone_12", // WVR_HandJoint_Middle_Joint1 = 12
+				"WaveBone_13", // WVR_HandJoint_Middle_Joint2 = 13
+				"WaveBone_14", // WVR_HandJoint_Middle_Joint3 = 14
+				"WaveBone_15", // WVR_HandJoint_Middle_Tip = 15
+				"WaveBone_16", // WVR_HandJoint_Ring_Joint0 = 16
+				"WaveBone_17", // WVR_HandJoint_Ring_Joint1 = 17
+				"WaveBone_18", // WVR_HandJoint_Ring_Joint2 = 18
+				"WaveBone_19", // WVR_HandJoint_Ring_Joint3 = 19
+				"WaveBone_20", // WVR_HandJoint_Ring_Tip = 20
+				"WaveBone_21", // WVR_HandJoint_Pinky_Joint0 = 21
+				"WaveBone_22", // WVR_HandJoint_Pinky_Joint0 = 22
+				"WaveBone_23", // WVR_HandJoint_Pinky_Joint0 = 23
+				"WaveBone_24", // WVR_HandJoint_Pinky_Joint0 = 24
+				"WaveBone_25" // WVR_HandJoint_Pinky_Tip = 25
+		};
+		#endregion
+
+		private void GetAllChildrenTransforms(Transform parent, ref List<Transform> childrenTransforms)
+		{
+			foreach (Transform child in parent)
+			{
+				childrenTransforms.Add(child);
+				GetAllChildrenTransforms(child, ref childrenTransforms);
+			}
+		}
+
+		public void FindJoints()
+		{
+			List<Transform> totalTransforms = new List<Transform>() { transform };
+			GetAllChildrenTransforms(transform, ref totalTransforms);
+
+			for (int i = 0; i < m_HandJoints.Length; i++)
+			{
+				Transform jointTransform = totalTransforms.FirstOrDefault(x => x.name == JointsName[i]);
+				if (jointTransform != null)
+				{
+					m_HandJoints[i] = jointTransform;
+				}
+			}
+		}
+
+		public void ClearJoints()
+		{
+			Array.Clear(m_HandJoints, 0, m_HandJoints.Length);
+		}
+
+		private void InitHandCollider()
+		{
+			m_HandCollider = gameObject.AddComponent<HandColliderController>();
+			m_HandCollider.InitJointColliders(m_HandJoints[k_RootId]);
+			m_HandCollider.handMesh = this;
+		}
+
+		private void EnableHandModel(bool enable)
+		{
+			if (m_HandJoints[k_RootId].gameObject.activeSelf != enable)
+			{
+				m_HandJoints[k_RootId].gameObject.SetActive(enable);
+			}
+		}
+
+		/// <summary>
+		/// Calculate whether the current rotation exceeds the maximum rotation.
+		/// If the product is greater than 0, it exceeds.
+		/// </summary>
+		/// <param name="currentRot">Current rotation</param>
+		/// <param name="maxRot">Maximum rotation</param>
+		/// <returns>The return value represents the dot product between the cross product of two rotations and the -x axis direction of the current rotation.</returns>
+		private float OverFlex(Quaternion currentRot, Quaternion maxRot)
+		{
+			Vector3 currFwd = currentRot * Vector3.forward;
+			Vector3 maxFwd = maxRot * Vector3.forward;
+			return Vector3.Dot(currentRot * Vector3.left, Vector3.Cross(currFwd, maxFwd));
+		}
+
+		/// <summary>
+		/// Calculate the angle between the y-axis directions of two rotations.
+		/// </summary>
+		/// <param name="currentRot">Current rotation</param>
+		/// <param name="maxRot">Maximum rotation</param>
+		/// <returns>The return value represents the angle between the up directions of the two rotation</returns>
+		private float FlexAngle(Quaternion currentRot, Quaternion maxRot)
+		{
+			Vector3 currFwd = currentRot * Vector3.up;
+			Vector3 maxFwd = maxRot * Vector3.up;
+			return Mathf.Acos(Vector3.Dot(currFwd, maxFwd) / (currFwd.magnitude * maxFwd.magnitude)) * Mathf.Rad2Deg;
+		}
+	}
+}

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Scripts/HandPose.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: e199f8a96e0fdf7498bbb0bf45e5b11a
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Scripts/HandPose/HandPose.cs

@@ -0,0 +1,76 @@
+using System.Linq;
+using System.Text;
+using UnityEngine;
+
+namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
+{
+	public abstract class HandPose : MonoBehaviour
+	{
+		#region Log
+		private const string LOG_TAG = "Wave.Essence.Hand.Interaction.HandPose";
+		private static StringBuilder m_sb = null;
+		protected static StringBuilder sb
+		{
+			get
+			{
+				if (m_sb == null) { m_sb = new StringBuilder(); }
+				return m_sb;
+			}
+		}
+		protected void DEBUG(string msg) { Debug.Log($"{LOG_TAG}.{m_PoseType}, {msg}"); }
+		protected void WARNING(string msg) { Debug.LogWarning($"{LOG_TAG}.{m_PoseType}, {msg}"); }
+		protected void ERROR(string msg) { Debug.LogError($"{LOG_TAG}.{m_PoseType}, {msg}"); }
+		#endregion
+
+		protected HandPoseType m_PoseType = HandPoseType.UNKNOWN;
+		protected bool m_Initialized = false;
+		protected bool m_IsTracked = false;
+		protected const int poseCount = (int)JointType.Count;
+		protected Vector3[] m_Position = Enumerable.Repeat(Vector3.zero, poseCount).ToArray();
+		protected Vector3[] m_LocalPosition = Enumerable.Repeat(Vector3.zero, poseCount).ToArray();
+		protected Quaternion[] m_Rotation = Enumerable.Repeat(Quaternion.identity, poseCount).ToArray();
+		protected Quaternion[] m_LocalRotation = Enumerable.Repeat(Quaternion.identity, poseCount).ToArray();
+
+		protected virtual void OnEnable()
+		{
+			HandPoseProvider.RegisterHandPose(m_PoseType, this);
+		}
+		protected virtual void OnDisable()
+		{
+			HandPoseProvider.UnregisterHandPose(m_PoseType);
+		}
+
+		public virtual void SetType(HandPoseType poseType)
+		{
+			m_PoseType = poseType;
+			m_Initialized = true;
+		}
+
+		public virtual bool IsTracked()
+		{
+			return m_IsTracked;
+		}
+
+		public virtual bool GetRotation(JointType joint, out Quaternion value, bool local = false)
+		{
+			value = Quaternion.identity;
+			if (joint != JointType.Count)
+			{
+				value = local ? m_LocalRotation[(int)joint] : m_Rotation[(int)joint];
+				return true;
+			}
+			return false;
+		}
+
+		public virtual bool GetPosition(JointType joint, out Vector3 value, bool local = false)
+		{
+			value = Vector3.zero;
+			if (joint != JointType.Count)
+			{
+				value = local ? m_LocalPosition[(int)joint] : m_Position[(int)joint];
+				return true;
+			}
+			return false;
+		}
+	}
+}

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Scripts/HandPose/HandPose.cs.meta

@@ -0,0 +1,11 @@
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+guid: 1ced5448f0990b040b82475106e1b1d3
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
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com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Scripts/HandPose/HandPoseProvider.cs

@@ -0,0 +1,95 @@
+
+using System;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
+{
+	public enum HandPoseType : UInt32
+	{
+		UNKNOWN = 0x7FFFFFFF,
+
+		HAND_LEFT = 100,
+		HAND_RIGHT = 101,
+
+		MESH_LEFT = 200,
+		MESH_RIGHT = 201,
+	}
+
+	public static class HandPoseProvider
+	{
+		private static Dictionary<HandPoseType, HandPose> m_HandPoseMap = new Dictionary<HandPoseType, HandPose>();
+		public static Dictionary<HandPoseType, HandPose> HandPoseMap
+		{
+			get
+			{
+				if (m_HandPoseMap == null) { m_HandPoseMap = new Dictionary<HandPoseType, HandPose>(); }
+				return m_HandPoseMap;
+			}
+			private set { m_HandPoseMap = value; }
+		}
+
+		public static bool RegisterHandPose(in HandPoseType poseType, in HandPose handPose)
+		{
+			if (!HandPoseMap.ContainsKey(poseType))
+			{
+				HandPoseMap.Add(poseType, handPose);
+				return true;
+			}
+			return false;
+		}
+
+		public static bool UnregisterHandPose(in HandPoseType poseType)
+		{
+			if (HandPoseMap.ContainsKey(poseType))
+			{
+				HandPoseMap.Remove(poseType);
+				return true;
+			}
+			return false;
+		}
+
+		public static HandPose GetHandPose(in HandPoseType poseType)
+		{
+			if (HandPoseMap.ContainsKey(poseType))
+			{
+				return HandPoseMap[poseType];
+			}
+			if (poseType == HandPoseType.HAND_LEFT || poseType == HandPoseType.MESH_LEFT)
+			{
+				return GetDefaultHandPose("LeftHandPose", HandPoseType.HAND_LEFT);
+			}
+			else if (poseType == HandPoseType.HAND_RIGHT || poseType == HandPoseType.MESH_RIGHT)
+			{
+				return GetDefaultHandPose("RightHandPose", HandPoseType.HAND_RIGHT);
+			}
+			return null;
+		}
+
+		public static string Name(this HandPoseType poseType)
+		{
+			string name = "";
+			switch (poseType)
+			{
+				case HandPoseType.HAND_LEFT: name = "HAND_LEFT"; break;
+				case HandPoseType.HAND_RIGHT: name = "HAND_LEFT"; break;
+				case HandPoseType.MESH_LEFT: name = "MESH_LEFT"; break;
+				case HandPoseType.MESH_RIGHT: name = "MESH_RIGHT"; break;
+			}
+			return name;
+		}
+
+		private static HandPose GetDefaultHandPose(string poseName, HandPoseType poseType)
+		{
+			if (!HandPoseMap.ContainsKey(poseType))
+			{
+				GameObject handPoseObject = new GameObject(poseName);
+				RealHandPose realHandPose = handPoseObject.AddComponent<RealHandPose>();
+				realHandPose.SetType(poseType);
+				RegisterHandPose(poseType, realHandPose);
+				return realHandPose;
+			}
+			return HandPoseMap[poseType];
+		}
+	}
+}

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Scripts/HandPose/HandPoseProvider.cs.meta

@@ -0,0 +1,11 @@
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+guid: 059d07a57fa09e543bf2f2b6d5788bb7
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
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com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Scripts/HandPose/MeshHandPose.cs

@@ -0,0 +1,84 @@
+using System.Collections;
+using UnityEngine;
+
+namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
+{
+	public class MeshHandPose : HandPose
+	{
+		[SerializeField]
+		private HandMeshManager m_HandMesh;
+		
+		private bool keepUpdate = false;
+
+		protected override void OnEnable()
+		{
+			StartCoroutine(WaitInit());
+		}
+
+		protected override void OnDisable()
+		{
+			base.OnDisable();
+			if (keepUpdate)
+			{
+				keepUpdate = false;
+				StopCoroutine(UpdatePose());
+			}
+		}
+
+		public void SetHandMeshRenderer(HandMeshManager handMeshRenderer)
+		{
+			m_HandMesh = handMeshRenderer;
+			SetType(handMeshRenderer.isLeft ? HandPoseType.MESH_LEFT : HandPoseType.MESH_RIGHT);
+		}
+
+		public bool SetJointPose(JointType joint, Pose jointPose, bool local = false)
+		{
+			if (m_HandMesh != null)
+			{
+				return m_HandMesh.SetJointPositionAndRotation(joint, jointPose.position, jointPose.rotation, local);
+			}
+			return false;
+		}
+
+		private IEnumerator WaitInit()
+		{
+			yield return new WaitUntil(() => m_Initialized);
+			base.OnEnable();
+			if (!keepUpdate)
+			{
+				keepUpdate = true;
+				StartCoroutine(UpdatePose());
+			}
+		}
+
+		private IEnumerator UpdatePose()
+		{
+			while (keepUpdate)
+			{
+				yield return new WaitForFixedUpdate();
+
+				HandPose handPose = HandPoseProvider.GetHandPose(m_HandMesh.isLeft ? HandPoseType.HAND_LEFT : HandPoseType.HAND_RIGHT);
+				m_IsTracked = handPose.IsTracked();
+
+				for (int i = 0; i < poseCount; i++)
+				{
+					if (m_HandMesh.GetJointPositionAndRotation((JointType)i, out Vector3 position, out Quaternion rotation) &&
+						m_HandMesh.GetJointPositionAndRotation((JointType)i, out Vector3 localPosition, out Quaternion localRotation, local: true))
+					{
+						m_Position[i] = position;
+						m_Rotation[i] = rotation;
+						m_LocalPosition[i] = localPosition;
+						m_LocalRotation[i] = localRotation;
+					}
+					else
+					{
+						m_Position[i] = Vector3.zero;
+						m_Rotation[i] = Quaternion.identity;
+						m_LocalPosition[i] = Vector3.zero;
+						m_LocalRotation[i] = Quaternion.identity;
+					}
+				}
+			}
+		}
+	}
+}

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Scripts/HandPose/MeshHandPose.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 5e78e2d8c82d5584faaf4b66d40d1057
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
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com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Scripts/HandPose/RealHandPose.cs

@@ -0,0 +1,85 @@
+using System.Collections;
+using UnityEngine;
+
+namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
+{
+	public class RealHandPose : HandPose
+	{
+		[SerializeField]
+		private Handedness m_Handedness;
+		private bool isLeft => m_Handedness == Handedness.Left;
+		private bool keepUpdate = false;
+
+		protected override void OnEnable()
+		{
+			StartCoroutine(WaitInit());
+		}
+
+		protected override void OnDisable()
+		{
+			base.OnDisable();
+			if (keepUpdate)
+			{
+				keepUpdate = false;
+				StopCoroutine(UpdatePose());
+			}
+		}
+
+		public override void SetType(HandPoseType poseType)
+		{
+			if (poseType == HandPoseType.HAND_LEFT)
+			{
+				m_Handedness = Handedness.Left;
+			}
+			else if (poseType == HandPoseType.HAND_RIGHT)
+			{
+				m_Handedness = Handedness.Right;
+			}
+
+			base.SetType(poseType);
+		}
+
+		private IEnumerator WaitInit()
+		{
+			yield return new WaitUntil(() => m_Initialized);
+			base.OnEnable();
+			if (!keepUpdate)
+			{
+				keepUpdate = true;
+				StartCoroutine(UpdatePose());
+			}
+		}
+
+		private IEnumerator UpdatePose()
+		{
+			Vector3 position = Vector3.zero;
+			Quaternion rotation = Quaternion.identity;
+			while (keepUpdate)
+			{
+				yield return new WaitForEndOfFrame();
+
+				HandData handData = CachedHand.Get(isLeft);
+				m_IsTracked = handData.isTracked;
+				if (!m_IsTracked) { continue; }
+
+				for (int i = 0; i < poseCount; i++)
+				{
+					if (handData.GetJointPosition((JointType)i, ref position) && handData.GetJointRotation((JointType)i, ref rotation))
+					{
+						m_Position[i] = position;
+						m_Rotation[i] = rotation;
+						m_LocalPosition[i] = position;
+						m_LocalRotation[i] = rotation;
+					}
+					else
+					{
+						m_Position[i] = Vector3.zero;
+						m_Rotation[i] = Quaternion.identity;
+						m_LocalPosition[i] = Vector3.zero;
+						m_LocalRotation[i] = Quaternion.identity;
+					}
+				}
+			}
+		}
+	}
+}

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Scripts/HandPose/RealHandPose.cs.meta

@@ -0,0 +1,11 @@
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+guid: 52790aba0e3d55f4fb27aded6c698d8b
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
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+  assetBundleVariant: 

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Scripts/JointCollider.cs

@@ -0,0 +1,251 @@
+// "Wave SDK 
+// © 2020 HTC Corporation. All Rights Reserved.
+//
+// Unless otherwise required by copyright law and practice,
+// upon the execution of HTC SDK license agreement,
+// HTC grants you access to and use of the Wave SDK(s).
+// You shall fully comply with all of HTC’s SDK license agreement terms and
+// conditions signed by you and all SDK and API requirements,
+// specifications, and documentation provided by HTC to You."
+
+using UnityEngine;
+
+namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
+{
+	/// <summary>
+	/// This class is designed to generate appropriately sized colliders for each joint.
+	/// </summary>
+	public class JointCollider : MonoBehaviour
+	{
+		public enum CollisionState
+		{
+			Enter = 0,
+			Stay = 1,
+			Exit = 2,
+		}
+
+		private CapsuleCollider m_Collider = null;
+		public Collider Collider => m_Collider;
+
+		public delegate void OnJointCollision(Collision collision, CollisionState state);
+		private OnJointCollision onJointCollision;
+
+		private const float k_ColliderRadius = 1E-6f;
+		private const float k_ColliderHeight = 1E-6f;
+		private JointType jointType = JointType.Count;
+
+		private void OnEnable()
+		{
+			InitCollider();
+		}
+
+		/// <summary>
+		/// Set the joint id and adjust collider size..
+		/// </summary>
+		/// <param name="id">JointType of joint.</param>
+		public void SetJointId(int id)
+		{
+			InitCollider();
+
+			jointType = (JointType)id;
+			switch (jointType)
+			{
+				case JointType.Palm:
+					m_Collider.center = new Vector3(0f, -0.006f, -0.0025f);
+					m_Collider.radius = 0.016f;
+					m_Collider.height = 0.075f;
+					m_Collider.direction = 0;
+					break;
+				case JointType.Wrist:
+					m_Collider.center = new Vector3(0f, -0.003f, 0f);
+					m_Collider.radius = 0.02f;
+					m_Collider.height = 0.055f;
+					m_Collider.direction = 0;
+					break;
+				case JointType.Thumb_Joint0:
+					m_Collider.center = new Vector3(0f, -0.005f, 0f);
+					m_Collider.radius = 0.02f;
+					m_Collider.height = 0.05f;
+					break;
+				case JointType.Thumb_Joint1:
+					m_Collider.center = Vector3.zero;
+					m_Collider.radius = 0.012f;
+					m_Collider.height = 0.040f;
+					break;
+				case JointType.Thumb_Joint2:
+					m_Collider.center = new Vector3(0f, -0.003f, 0f);
+					m_Collider.radius = 0.01f;
+					m_Collider.height = 0.01f;
+					break;
+				case JointType.Thumb_Tip:
+					m_Collider.center = new Vector3(0f, 0f, -0.005f);
+					m_Collider.radius = 0.01f;
+					m_Collider.height = 0.025f;
+					break;
+				case JointType.Index_Joint0:
+					m_Collider.center = new Vector3(0f, 0f, 0.02f);
+					m_Collider.radius = 0.012f;
+					m_Collider.height = 0.1f;
+					break;
+				case JointType.Index_Joint1:
+					m_Collider.center = new Vector3(0f, 0f, 0.01f);
+					m_Collider.radius = 0.01f;
+					m_Collider.height = 0.04f;
+					break;
+				case JointType.Index_Joint2:
+					m_Collider.center = Vector3.zero;
+					m_Collider.radius = 0.01f;
+					m_Collider.height = 0.01f;
+					break;
+				case JointType.Index_Joint3:
+					m_Collider.center = Vector3.zero;
+					m_Collider.radius = 0.01f;
+					m_Collider.height = 0.01f;
+					break;
+				case JointType.Index_Tip:
+					m_Collider.center = new Vector3(0f, -0.001f, -0.0025f);
+					m_Collider.radius = 0.008f;
+					m_Collider.height = 0.015f;
+					break;
+				case JointType.Middle_Joint0:
+					m_Collider.center = new Vector3(0f, 0f, 0.02f);
+					m_Collider.radius = 0.012f;
+					m_Collider.height = 0.1f;
+					break;
+				case JointType.Middle_Joint1:
+					m_Collider.center = new Vector3(0f, 0f, 0.01f);
+					m_Collider.radius = 0.01f;
+					m_Collider.height = 0.04f;
+					break;
+				case JointType.Middle_Joint2:
+					m_Collider.center = Vector3.zero;
+					m_Collider.radius = 0.01f;
+					m_Collider.height = 0.01f;
+					break;
+				case JointType.Middle_Joint3:
+					m_Collider.center = Vector3.zero;
+					m_Collider.radius = 0.01f;
+					m_Collider.height = 0.01f;
+					break;
+				case JointType.Middle_Tip:
+					m_Collider.center = new Vector3(0f, -0.002f, -0.0025f);
+					m_Collider.radius = 0.008f;
+					m_Collider.height = 0.015f;
+					break;
+				case JointType.Ring_Joint0:
+					m_Collider.center = new Vector3(0f, 0f, 0.02f);
+					m_Collider.radius = 0.012f;
+					m_Collider.height = 0.1f;
+					break;
+				case JointType.Ring_Joint1:
+					m_Collider.center = new Vector3(0f, 0f, 0.01f);
+					m_Collider.radius = 0.01f;
+					m_Collider.height = 0.04f;
+					break;
+				case JointType.Ring_Joint2:
+					m_Collider.center = Vector3.zero;
+					m_Collider.radius = 0.01f;
+					m_Collider.height = 0.01f;
+					break;
+				case JointType.Ring_Joint3:
+					m_Collider.center = Vector3.zero;
+					m_Collider.radius = 0.01f;
+					m_Collider.height = 0.01f;
+					break;
+				case JointType.Ring_Tip:
+					m_Collider.center = new Vector3(0f, -0.002f, -0.0025f);
+					m_Collider.radius = 0.008f;
+					m_Collider.height = 0.015f;
+					break;
+				case JointType.Pinky_Joint0:
+					m_Collider.center = new Vector3(0f, 0f, 0.02f);
+					m_Collider.radius = 0.012f;
+					m_Collider.height = 0.1f;
+					break;
+				case JointType.Pinky_Joint1:
+					m_Collider.center = new Vector3(0f, 0f, 0.01f);
+					m_Collider.radius = 0.01f;
+					m_Collider.height = 0.04f;
+					break;
+				case JointType.Pinky_Joint2:
+					m_Collider.center = Vector3.zero;
+					m_Collider.radius = 0.01f;
+					m_Collider.height = 0.01f;
+					break;
+				case JointType.Pinky_Joint3:
+					m_Collider.center = Vector3.zero;
+					m_Collider.radius = 0.01f;
+					m_Collider.height = 0.01f;
+					break;
+				case JointType.Pinky_Tip:
+					m_Collider.center = new Vector3(0f, -0.002f, -0.0025f);
+					m_Collider.radius = 0.006f;
+					m_Collider.height = 0.015f;
+					break;
+			}
+		}
+
+		public Rigidbody InitRigidbody(float mass)
+		{
+			Rigidbody rigidbody = gameObject.AddComponent<Rigidbody>();
+			rigidbody.mass = mass;
+			rigidbody.useGravity = false;
+			rigidbody.interpolation = RigidbodyInterpolation.Interpolate;
+			rigidbody.collisionDetectionMode = CollisionDetectionMode.Continuous;
+			rigidbody.solverIterations = 100;
+			rigidbody.solverVelocityIterations = 15;
+			return rigidbody;
+		}
+
+		private void InitCollider()
+		{
+			if (m_Collider == null)
+			{
+				m_Collider = gameObject.AddComponent<CapsuleCollider>();
+				m_Collider.radius = k_ColliderRadius;
+				m_Collider.height = k_ColliderHeight;
+				m_Collider.direction = 2;
+			}
+		}
+
+		private void OnCollisionEnter(Collision collision)
+		{
+			if (!IsJointCollider(collision.collider))
+			{
+				onJointCollision?.Invoke(collision, CollisionState.Enter);
+			}
+		}
+
+		private void OnCollisionStay(Collision collision)
+		{
+			if (!IsJointCollider(collision.collider))
+			{
+				onJointCollision?.Invoke(collision, CollisionState.Stay);
+			}
+		}
+
+		private void OnCollisionExit(Collision collision)
+		{
+			if (!IsJointCollider(collision.collider))
+			{
+				onJointCollision?.Invoke(collision, CollisionState.Exit);
+			}
+		}
+
+		private bool IsJointCollider(Collider collider)
+		{
+			JointCollider jointCollider = collider.GetComponent<JointCollider>();
+			return jointCollider != null;
+		}
+
+		public void AddJointCollisionListener(OnJointCollision handler)
+		{
+			onJointCollision += handler;
+		}
+
+		public void RemoveJointCollisionListener(OnJointCollision handler)
+		{
+			onJointCollision -= handler;
+		}
+	}
+}

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Scripts/JointCollider.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: ca9a78f9ae24b3f4a92881fa9a680081
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Scripts/PhysicsInteractable.cs

@@ -0,0 +1,162 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using UnityEngine;
+
+namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
+{
+	public class PhysicsInteractable : MonoBehaviour
+	{
+		[SerializeField]
+		private float forceMultiplier = 1.0f;
+
+		private readonly int MIN_POSE_SAMPLES = 2;
+		private readonly int MAX_POSE_SAMPLES = 10;
+		private readonly float MIN_VELOCITY = 0.5f;
+
+		private Rigidbody interactableRigidbody;
+		private List<Pose> movementPoses = new List<Pose>();
+		private List<float> timestamps = new List<float>();
+		private bool isBegin = false;
+		private bool isEnd = false;
+		private object lockVel = new object();
+
+		private void Update()
+		{
+			if (interactableRigidbody == null) { return; }
+
+			if (isBegin)
+			{
+				RecordMovement();
+			}
+		}
+
+		private void FixedUpdate()
+		{
+			if (interactableRigidbody == null) { return; }
+
+			if (isEnd)
+			{
+				interactableRigidbody.velocity = Vector3.zero;
+				interactableRigidbody.angularVelocity = Vector3.zero;
+
+				Vector3 velocity = CalculateVelocity();
+				if (velocity.magnitude > MIN_VELOCITY)
+				{
+					interactableRigidbody.AddForce(velocity * forceMultiplier, ForceMode.Impulse);
+				}
+				interactableRigidbody = null;
+
+				movementPoses.Clear();
+				timestamps.Clear();
+				isEnd = false;
+			}
+		}
+
+		private void RecordMovement()
+		{
+			float time = Time.time;
+			if (movementPoses.Count == 0 ||
+				timestamps[movementPoses.Count - 1] != time)
+			{
+				movementPoses.Add(new Pose(interactableRigidbody.position, interactableRigidbody.rotation));
+				timestamps.Add(time);
+			}
+
+			if (movementPoses.Count > MAX_POSE_SAMPLES)
+			{
+				movementPoses.RemoveAt(0);
+				timestamps.RemoveAt(0);
+			}
+		}
+
+		private Vector3 CalculateVelocity()
+		{
+			if (movementPoses.Count >= MIN_POSE_SAMPLES)
+			{
+				List<Vector3> velocities = new List<Vector3>();
+				for (int i = 0; i < movementPoses.Count - 1; i++)
+				{
+					for (int j = i + 1; j < movementPoses.Count; j++)
+					{
+						velocities.Add(GetVelocity(i, j));
+					}
+				}
+				Vector3 finalVelocity = FindBestVelocity(velocities);
+				return finalVelocity;
+			}
+			return Vector3.zero;
+		}
+
+		private Vector3 GetVelocity(int idx1, int idx2)
+		{
+			if (idx1 < 0 || idx1 >= movementPoses.Count
+				|| idx2 < 0 || idx2 >= movementPoses.Count
+				|| movementPoses.Count < MIN_POSE_SAMPLES)
+			{
+				return Vector3.zero;
+			}
+
+			if (idx2 < idx1)
+			{
+				(idx1, idx2) = (idx2, idx1);
+			}
+
+			Vector3 currentPos = movementPoses[idx2].position;
+			Vector3 previousPos = movementPoses[idx1].position;
+			float currentTime = timestamps[idx2];
+			float previousTime = timestamps[idx1];
+			float timeDelta = currentTime - previousTime;
+			if (currentPos == null || previousPos == null || timeDelta == 0)
+			{
+				return Vector3.zero;
+			}
+
+			Vector3 velocity = (currentPos - previousPos) / timeDelta;
+			return velocity;
+		}
+
+		private Vector3 FindBestVelocity(List<Vector3> velocities)
+		{
+			Vector3 bestVelocity = Vector3.zero;
+			float bestScore = float.PositiveInfinity;
+
+			Parallel.For(0, velocities.Count, i =>
+			{
+				float score = 0f;
+				for (int j = 0; j < velocities.Count; j++)
+				{
+					if (i != j)
+					{
+						score += (velocities[i] - velocities[j]).magnitude;
+					}
+				}
+
+				lock (lockVel)
+				{
+					if (score < bestScore)
+					{
+						bestVelocity = velocities[i];
+						bestScore = score;
+					}
+				}
+			});
+
+			return bestVelocity;
+		}
+
+		public void OnBeginInteractabled(IGrabbable grabbable)
+		{
+			if (grabbable is HandGrabInteractable handGrabbable)
+			{
+				interactableRigidbody = handGrabbable.rigidbody;
+			}
+			isBegin = true;
+		}
+
+		public void OnEndInteractabled(IGrabbable grabbable)
+		{
+			isBegin = false;
+			isEnd = true;
+		}
+	}
+}

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction(experimental)/Scripts/PhysicsInteractable.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 23de72f64d9c93540b53c64f183e4efa
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction/Editor/HandGrabInteractableEditor.cs

@@ -1,246 +0,0 @@
-// "Wave SDK 
-// © 2020 HTC Corporation. All Rights Reserved.
-//
-// Unless otherwise required by copyright law and practice,
-// upon the execution of HTC SDK license agreement,
-// HTC grants you access to and use of the Wave SDK(s).
-// You shall fully comply with all of HTC’s SDK license agreement terms and
-// conditions signed by you and all SDK and API requirements,
-// specifications, and documentation provided by HTC to You."
-
-using UnityEngine;
-
-#if UNITY_EDITOR
-using UnityEditor;
-using UnityEditorInternal;
-namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
-{
-     [CustomEditor(typeof(HandGrabInteractable))]
-	public class HandGrabInteractableEditor : UnityEditor.Editor
-    {
-        private SerializedProperty m_IsGrabbable, m_ForceMovable, m_FingerRequirement, m_GrabPoses, m_ShowAllIndicator;
-		private SerializedProperty grabPoseName, gestureThumbPose, gestureIndexPose, gestureMiddlePose, gestureRingPose, gesturePinkyPose,
-			recordedGrabRotations, isLeft, enableIndicator, autoIndicator, indicatorObject, grabOffset;
-		private ReorderableList grabPoses;
-		private bool showGrabPoses = false;
-
-		private void OnEnable()
-        {
-			m_IsGrabbable = serializedObject.FindProperty("m_IsGrabbable");
-			m_ForceMovable = serializedObject.FindProperty("m_ForceMovable");
-			m_FingerRequirement = serializedObject.FindProperty("m_FingerRequirement");
-			m_GrabPoses = serializedObject.FindProperty("m_GrabPoses");
-			m_ShowAllIndicator = serializedObject.FindProperty("m_ShowAllIndicator");
-
-			#region ReorderableList
-			grabPoses = new ReorderableList(serializedObject, m_GrabPoses, true, true, true, true);
-			grabPoses.drawHeaderCallback = (Rect rect) =>
-			{
-				EditorGUI.LabelField(rect, "Grab Pose List");
-			};
-			grabPoses.drawElementCallback = (Rect rect, int index, bool isActive, bool isFocused) =>
-			{
-				if (!UpdateGrabPose(m_GrabPoses.GetArrayElementAtIndex(index))) { return; }
-
-				if (string.IsNullOrEmpty(grabPoseName.stringValue))
-				{
-					grabPoseName.stringValue = $"Grab Pose {index + 1}";
-				}
-
-				Rect gestureRect = new Rect(rect.x, rect.y, rect.width, EditorGUIUtility.singleLineHeight);
-				grabPoseName.stringValue = EditorGUI.TextField(gestureRect, grabPoseName.stringValue);
-				if (recordedGrabRotations.arraySize == 0)
-				{
-					// Draw GrabGesture fields
-					gestureRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
-					EditorGUI.PropertyField(gestureRect, gestureThumbPose);
-					gestureRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
-					EditorGUI.PropertyField(gestureRect, gestureIndexPose);
-					gestureRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
-					EditorGUI.PropertyField(gestureRect, gestureMiddlePose);
-					gestureRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
-					EditorGUI.PropertyField(gestureRect, gestureRingPose);
-					gestureRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
-					EditorGUI.PropertyField(gestureRect, gesturePinkyPose);
-				}
-
-				// Draw Handness fields
-				gestureRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
-				bool isToggle = EditorGUI.Toggle(gestureRect, "Is Left", isLeft.boolValue);
-				if (isToggle != isLeft.boolValue)
-				{
-					isLeft.boolValue = isToggle;
-					SwitchRotations(ref recordedGrabRotations);
-				}
-				// Draw Indicator fields
-				gestureRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
-				enableIndicator.boolValue = EditorGUI.Toggle(gestureRect, "Show Indicator", enableIndicator.boolValue);
-				if (enableIndicator.boolValue)
-				{
-					gestureRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
-					autoIndicator.boolValue = EditorGUI.Toggle(gestureRect, "Auto Generator Indicator", autoIndicator.boolValue);
-					if (!autoIndicator.boolValue)
-					{
-						gestureRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
-						indicatorObject.objectReferenceValue = (GameObject)EditorGUI.ObjectField(gestureRect, "Indicator", (GameObject)indicatorObject.objectReferenceValue, typeof(GameObject), true);
-					}
-				}
-				else
-				{
-					m_ShowAllIndicator.boolValue = false;
-				}
-
-				// Draw Mirror Pose fields
-				gestureRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
-				Rect labelRect = new Rect(gestureRect.x, gestureRect.y, EditorGUIUtility.labelWidth, gestureRect.height);
-				EditorGUI.PrefixLabel(labelRect, GUIUtility.GetControlID(FocusType.Passive), new GUIContent("Mirror Pose"));
-
-				Rect buttonRect1 = new Rect(gestureRect.x + EditorGUIUtility.labelWidth + EditorGUIUtility.standardVerticalSpacing, gestureRect.y, (gestureRect.width - EditorGUIUtility.labelWidth - EditorGUIUtility.standardVerticalSpacing * 4) / 3, gestureRect.height);
-				Rect buttonRect2 = new Rect(buttonRect1.x + buttonRect1.width + EditorGUIUtility.standardVerticalSpacing, gestureRect.y, buttonRect1.width, gestureRect.height);
-				Rect buttonRect3 = new Rect(buttonRect2.x + buttonRect2.width + EditorGUIUtility.standardVerticalSpacing, gestureRect.y, buttonRect1.width, gestureRect.height);
-				if (GUI.Button(buttonRect1, "Align X axis"))
-				{
-					MirrorPose(ref grabOffset, Vector3.right);
-				}
-				if (GUI.Button(buttonRect2, "Align Y axis"))
-				{
-					MirrorPose(ref grabOffset, Vector3.up);
-				}
-				if (GUI.Button(buttonRect3, "Align Z axis"))
-				{
-					MirrorPose(ref grabOffset, Vector3.forward);
-				}
-
-				// Draw Position fields
-				gestureRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
-				EditorGUI.PropertyField(gestureRect, grabOffset.FindPropertyRelative("position"));
-
-				// Draw Rotation fields
-				SerializedProperty rotationProperty = grabOffset.FindPropertyRelative("rotation");
-				Vector4 rotationVector = new Vector4(rotationProperty.quaternionValue.x, rotationProperty.quaternionValue.y, rotationProperty.quaternionValue.z, rotationProperty.quaternionValue.w);
-				gestureRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
-				rotationVector = EditorGUI.Vector4Field(gestureRect, "Rotation", rotationVector);
-				rotationProperty.quaternionValue = new Quaternion(rotationVector.x, rotationVector.y, rotationVector.z, rotationVector.w);
-			};
-			grabPoses.elementHeightCallback = (int index) =>
-			{
-				if (!UpdateGrabPose(m_GrabPoses.GetArrayElementAtIndex(index))) { return EditorGUIUtility.singleLineHeight; }
-
-				// Including Title, Handness, Show Indicator, Mirror Pose, Position, Rotation
-				int minHeight = 6;
-				// To Show GrabGesture
-				if (recordedGrabRotations.arraySize == 0)
-				{ 
-					minHeight += 5;
-				}
-				if (enableIndicator.boolValue)
-				{
-					// To Show Auto Indicator
-					minHeight += 1;
-					// To Show Indicator Gameobject
-					if (!autoIndicator.boolValue)
-					{ 
-						minHeight += 1;
-					}
-				}
-				return EditorGUIUtility.singleLineHeight * minHeight + EditorGUIUtility.standardVerticalSpacing * (minHeight + 2);
-			};
-			grabPoses.onAddCallback = (ReorderableList list) =>
-			{
-				m_GrabPoses.arraySize++;
-				if (UpdateGrabPose(m_GrabPoses.GetArrayElementAtIndex(list.count - 1)))
-				{
-					grabPoseName.stringValue = $"Grab Pose {list.count}";
-				}
-			};
-			#endregion
-		}
-
-		public override void OnInspectorGUI()
-        {
-            serializedObject.Update();
-			EditorGUILayout.PropertyField(m_IsGrabbable);
-			EditorGUILayout.PropertyField(m_ForceMovable);
-			EditorGUILayout.PropertyField(m_FingerRequirement);
-			showGrabPoses = EditorGUILayout.Foldout(showGrabPoses, "Grab Pose Settings");
-			if (showGrabPoses)
-			{
-				if(m_GrabPoses.arraySize == 0)
-				{
-					grabPoses.elementHeight = EditorGUIUtility.singleLineHeight;
-				}
-				grabPoses.DoLayoutList();
-
-				bool isToggle = EditorGUILayout.Toggle("Show All Indicator", m_ShowAllIndicator.boolValue);
-				if (isToggle != m_ShowAllIndicator.boolValue)
-				{
-					m_ShowAllIndicator.boolValue = isToggle;
-					for (int i = 0; i < m_GrabPoses.arraySize; i++)
-					{
-						if (UpdateGrabPose(m_GrabPoses.GetArrayElementAtIndex(i)))
-						{
-							enableIndicator.boolValue = m_ShowAllIndicator.boolValue;
-						}
-					}
-				}
-			}
-			serializedObject.ApplyModifiedProperties();
-        }
-
-		private bool UpdateGrabPose(SerializedProperty grabPose)
-		{
-			SerializedProperty indicator = grabPose.FindPropertyRelative("indicator");
-			if (grabPose == null || indicator == null) { return false; }
-
-			grabPoseName = grabPose.FindPropertyRelative("grabPoseName");
-			gestureThumbPose = grabPose.FindPropertyRelative("handGrabGesture.thumbPose");
-			gestureIndexPose = grabPose.FindPropertyRelative("handGrabGesture.indexPose");
-			gestureMiddlePose = grabPose.FindPropertyRelative("handGrabGesture.middlePose");
-			gestureRingPose = grabPose.FindPropertyRelative("handGrabGesture.ringPose");
-			gesturePinkyPose = grabPose.FindPropertyRelative("handGrabGesture.pinkyPose");
-			recordedGrabRotations = grabPose.FindPropertyRelative("recordedGrabRotations");
-			isLeft = grabPose.FindPropertyRelative("isLeft");
-			enableIndicator = indicator.FindPropertyRelative("enableIndicator");
-			autoIndicator = indicator.FindPropertyRelative("autoIndicator");
-			indicatorObject = indicator.FindPropertyRelative("target");
-			grabOffset = grabPose.FindPropertyRelative("grabOffset");
-			return true;
-		}
-
-		/// <summary>
-		/// Convert the rotation of joints of the current hand into those of another hand.
-		/// </summary>
-		/// <param name="rotations">Rotation of joints of the current hand.</param>
-		private void SwitchRotations(ref SerializedProperty rotations)
-		{
-			for (int i = 0; i < rotations.arraySize; i++)
-			{
-				Quaternion rotation = rotations.GetArrayElementAtIndex(i).quaternionValue;
-				Quaternion newRotation = Quaternion.Euler(rotation.eulerAngles.x, -rotation.eulerAngles.y, -rotation.eulerAngles.z);
-				rotations.GetArrayElementAtIndex(i).quaternionValue = newRotation;
-			}
-		}
-
-		/// <summary>
-		/// Mirrors the pose properties (position and rotation) of a serialized object along a specified mirror axis.
-		/// </summary>
-		/// <param name="pose">The serialized property representing the pose to be mirrored.</param>
-		/// <param name="mirrorAxis">The axis along which the mirroring should occur.</param>
-		private void MirrorPose(ref SerializedProperty pose, Vector3 mirrorAxis)
-        {
-            Vector3 sourcePos = pose.FindPropertyRelative("position").vector3Value;
-			Quaternion sourceRot = pose.FindPropertyRelative("rotation").quaternionValue;
-			Vector3 sourceFwd = sourceRot * Vector3.forward;
-			Vector3 sourceUp = sourceRot * Vector3.up;
-
-			// Calculate the mirrored position using Vector3.Reflect along the specified mirror axis.
-			Vector3 mirroredPosition = Vector3.Reflect(sourcePos, mirrorAxis);
-			// Calculate the mirrored rotation using Quaternion.LookRotation and Vector3.Reflect for the forward and up vectors.
-			Quaternion mirroredRotation = Quaternion.LookRotation(Vector3.Reflect(sourceFwd, mirrorAxis), Vector3.Reflect(sourceUp, mirrorAxis));
-
-			pose.FindPropertyRelative("position").vector3Value = mirroredPosition;
-            pose.FindPropertyRelative("rotation").quaternionValue = mirroredRotation;
-        }
-    }
-}
-#endif

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction/Editor/HandMeshManagerEditor.cs

@@ -1,69 +0,0 @@
-using UnityEngine;
-
-#if UNITY_EDITOR
-using UnityEditor;
-namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
-{
-	[CustomEditor(typeof(HandMeshManager))]
-	public class HandMeshManagerEditor : Editor
-	{
-		private HandMeshManager m_HandJointManager;
-		private SerializedProperty m_Handedness, m_HandGrabber, m_RootJointType, m_HandRootJoint, m_HandJoints;
-
-		private bool showJoints = false;
-		public static readonly GUIContent findJoints = EditorGUIUtility.TrTextContent("Find Joints");
-		public static readonly GUIContent clearJoints = EditorGUIUtility.TrTextContent("Clear");
-
-		private void OnEnable()
-		{
-			m_Handedness = serializedObject.FindProperty("m_Handedness");
-			m_HandGrabber = serializedObject.FindProperty("m_HandGrabber");
-			m_RootJointType = serializedObject.FindProperty("m_RootJointType");
-			m_HandRootJoint = serializedObject.FindProperty("m_HandRootJoint");
-			m_HandJoints = serializedObject.FindProperty("m_HandJoints");
-		}
-
-		public override void OnInspectorGUI()
-		{
-			serializedObject.Update();
-			EditorGUILayout.PropertyField(m_Handedness);
-			EditorGUILayout.PropertyField(m_HandGrabber);
-			EditorGUILayout.HelpBox("Without HandGrabber, it still works but won't stop when colliding with Immovable objects.", MessageType.Info);
-			EditorGUILayout.PropertyField(m_RootJointType);
-			EditorGUILayout.PropertyField(m_HandRootJoint);
-			showJoints = EditorGUILayout.Foldout(showJoints, "Hand Joints");
-			if (showJoints)
-			{
-				for (int i = 0; i < m_HandJoints.arraySize; i++)
-				{
-					SerializedProperty joint = m_HandJoints.GetArrayElementAtIndex(i);
-					JointType jointType = (JointType)i;
-					EditorGUILayout.PropertyField(joint, new GUIContent(jointType.ToString()));
-				}
-
-				using (new EditorGUILayout.HorizontalScope())
-				{
-					m_HandJointManager = target as HandMeshManager;
-					using (new EditorGUI.DisabledScope())
-					{
-						if (GUILayout.Button(findJoints))
-						{
-							m_HandJointManager.FindJoints();
-						}
-					}
-
-					using (new EditorGUI.DisabledScope())
-					{
-						if (GUILayout.Button(clearJoints))
-						{
-							m_HandJointManager.ClearJoints();
-						}
-					}
-				}
-			}
-
-			serializedObject.ApplyModifiedProperties();
-		}
-	}
-}
-#endif

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction/Scripts/CustomGrabPose.cs

@@ -1,93 +0,0 @@
-// "Wave SDK 
-// © 2020 HTC Corporation. All Rights Reserved.
-//
-// Unless otherwise required by copyright law and practice,
-// upon the execution of HTC SDK license agreement,
-// HTC grants you access to and use of the Wave SDK(s).
-// You shall fully comply with all of HTC’s SDK license agreement terms and
-// conditions signed by you and all SDK and API requirements,
-// specifications, and documentation provided by HTC to You."
-
-using UnityEngine;
-
-namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
-{
-	/// <summary>
-	/// This class is designed to edit grab gestures.
-	/// </summary>
-	[RequireComponent(typeof(HandMeshManager))]
-	public class CustomGrabPose : MonoBehaviour
-	{
-	#if UNITY_EDITOR
-		[SerializeField]
-		private HandGrabGesture m_GrabGesture;
-
-		private HandMeshManager jointManager;
-		private Transform palmTransform;
-		private HandGrabGesture currentGesture;
-		private HandGrabInteractable candidate = null;
-		private readonly float k_GrabDistance = 0.1f;
-
-		private Pose[] fingerTipPoses => new Pose[5];
-
-		private void OnEnable()
-		{
-			if (jointManager == null)
-			{
-				jointManager = transform.GetComponent<HandMeshManager>();
-			}
-		}
-
-		private void Update()
-		{
-			// Non-DirectPreview mode.
-			if (m_GrabGesture != currentGesture)
-			{
-				currentGesture = m_GrabGesture;
-				jointManager.SetJointsFromGrabGesture(currentGesture);
-			}
-		}
-
-		/// <summary>
-		/// Finds the nearest interactable object to the hand.
-		/// </summary>
-		public void FindNearInteractable()
-		{
-			if (jointManager.GetJointTransform(JointType.Palm, out palmTransform))
-			{
-				float maxScore = 0;
-				foreach (HandGrabInteractable interactable in GrabManager.handGrabbables)
-				{
-					float distanceScore = interactable.CalculateDistanceScore(palmTransform.position, k_GrabDistance);
-					if (distanceScore > maxScore)
-					{
-						maxScore = distanceScore;
-						candidate = interactable;
-					}
-				}
-			}
-		}
-
-		/// <summary>
-		/// Save the position and rotation offset with the candidate.
-		/// </summary>
-		public void SavePoseWithCandidate()
-		{
-			if (candidate != null &&
-				jointManager.GetJointTransform(JointType.Palm, out palmTransform))
-			{
-				Vector3 posOffset = candidate.transform.position - palmTransform.position;
-				Quaternion rotOffset = palmTransform.rotation;
-				GrabPose grabPose = GrabPose.Identity;
-				grabPose.Update($"Grab Pose {candidate.grabPoses.Count + 1}", currentGesture, jointManager.IsLeft); 
-				grabPose.grabOffset = new GrabOffset(candidate.transform.position, candidate.transform.rotation, posOffset, rotOffset);
-				if (!candidate.grabPoses.Contains(grabPose))
-				{
-					candidate.grabPoses.Add(grabPose);
-				}
-				GrabbablePoseRecorder.SaveChanges();
-			}
-		}
-	#endif
-	}
-}

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction/Scripts/GrabCollider.cs

@@ -1,141 +0,0 @@
-// "Wave SDK 
-// © 2020 HTC Corporation. All Rights Reserved.
-//
-// Unless otherwise required by copyright law and practice,
-// upon the execution of HTC SDK license agreement,
-// HTC grants you access to and use of the Wave SDK(s).
-// You shall fully comply with all of HTC’s SDK license agreement terms and
-// conditions signed by you and all SDK and API requirements,
-// specifications, and documentation provided by HTC to You."
-
-using UnityEngine;
-
-namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
-{
-	/// <summary>
-	/// This class is designed to generate appropriately sized colliders for each joint.
-	/// </summary>
-	public class GrabCollider : MonoBehaviour
-	{
-		public enum CollisionState
-		{
-			start = 0,
-			keep = 1,
-			end = 2,
-		}
-
-		private CapsuleCollider m_Collider = null;
-		public Collider Collider => m_Collider;
-
-		private bool m_IsCollision = false;
-		public bool IsCollision { get { return m_IsCollision; } set { m_IsCollision = value; } }
-
-		private const float k_ColliderRadius = 0.01f;
-		private const float k_ColliderHeight = 0.01f;
-		private JointType jointType = JointType.Count;
-
-		public delegate void CollisionHandler(JointType joint, Collision collision, CollisionState state);
-		private CollisionHandler m_CollisionHandler;
-
-		private void OnEnable()
-		{
-			m_Collider = transform.GetComponent<CapsuleCollider>();
-			if (m_Collider == null)
-			{
-				m_Collider = transform.gameObject.AddComponent<CapsuleCollider>();
-			}
-			m_Collider.radius = k_ColliderRadius;
-			m_Collider.height = k_ColliderHeight;
-			m_Collider.direction = 2;
-
-			Rigidbody rigidbody = transform.GetComponent<Rigidbody>();
-			if (rigidbody == null)
-			{
-				rigidbody = transform.gameObject.AddComponent<Rigidbody>();
-			}
-			rigidbody.useGravity = false;
-			rigidbody.collisionDetectionMode = CollisionDetectionMode.ContinuousSpeculative;
-			rigidbody.constraints = RigidbodyConstraints.FreezeAll;
-		}
-
-		/// <summary>
-		/// Set the joint id and adjust collider size..
-		/// </summary>
-		/// <param name="id">JointType of joint.</param>
-		public void SetJointId(int id)
-		{
-			jointType = (JointType)id;
-			if (m_Collider)
-			{
-				// Adjust the size and position of the collider based on jointId.
-				switch (jointType)
-				{
-					case JointType.Thumb_Joint0:
-					case JointType.Thumb_Joint1:
-						m_Collider.height = 0.03f;
-						break;
-					case JointType.Index_Joint0:
-					case JointType.Middle_Joint0:
-					case JointType.Ring_Joint0:
-					case JointType.Pinky_Joint0:
-						m_Collider.height = 0.08f;
-						m_Collider.center = new Vector3(0f, 0f, 0.02f);
-						break;
-					case JointType.Index_Joint1:
-					case JointType.Middle_Joint1:
-					case JointType.Ring_Joint1:
-					case JointType.Pinky_Joint1:
-						m_Collider.height = 0.05f;
-						m_Collider.center = new Vector3(0f, 0f, 0.02f);
-						break;
-					case JointType.Index_Tip:
-					case JointType.Middle_Tip:
-					case JointType.Ring_Tip:
-					case JointType.Pinky_Tip:
-						m_Collider.radius = 0.005f;
-						break;
-				}
-			}
-		}
-
-		public void AddListener(CollisionHandler handler)
-		{
-			m_CollisionHandler += handler;
-		}
-
-		public void RemoveListener(CollisionHandler handler)
-		{
-			m_CollisionHandler -= handler;
-		}
-
-		private void OnCollisionEnter(Collision collision)
-		{
-			if (!IsGrabCollider(collision.collider) && m_CollisionHandler != null)
-			{
-				m_CollisionHandler.Invoke(jointType, collision, CollisionState.start);
-			}
-		}
-
-		private void OnCollisionStay(Collision collision)
-		{
-			if (!IsGrabCollider(collision.collider) && m_CollisionHandler != null)
-			{
-				m_CollisionHandler.Invoke(jointType, collision, CollisionState.keep);
-			}
-		}
-
-		private void OnCollisionExit(Collision collision)
-		{
-			if (!IsGrabCollider(collision.collider) && m_CollisionHandler != null)
-			{
-				m_CollisionHandler.Invoke(jointType, collision, CollisionState.end);
-			}
-		}
-
-		private bool IsGrabCollider(Collider collider)
-		{
-			GrabCollider grabCollider = collider.gameObject.GetComponent<GrabCollider>();
-			return grabCollider != null;
-		}
-	}
-}

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction/Scripts/GrabColliderManager.cs

@@ -1,486 +0,0 @@
-// "Wave SDK 
-// © 2020 HTC Corporation. All Rights Reserved.
-//
-// Unless otherwise required by copyright law and practice,
-// upon the execution of HTC SDK license agreement,
-// HTC grants you access to and use of the Wave SDK(s).
-// You shall fully comply with all of HTC’s SDK license agreement terms and
-// conditions signed by you and all SDK and API requirements,
-// specifications, and documentation provided by HTC to You."
-
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using UnityEngine;
-
-namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
-{
-	public class GrabColliderManager : MonoBehaviour
-	{
-		const string LOG_TAG = "VIVE.OpenXR.Toolkits.RealisticHandInteraction.GrabColliderManager";
-		private void DEBUG(string msg) { Debug.Log($"{LOG_TAG}, {msg}"); }
-		private void WARNING(string msg) { Debug.LogWarning($"{LOG_TAG}, {msg}"); }
-		private void ERROR(string msg) { Debug.LogError($"{LOG_TAG}, {msg}"); }
-
-		/// <summary>
-		/// The struct is designed to record movable colliders, 
-		/// including which grabbable they belong to, which joints collisioned with, and whether they have been grabbed.
-		/// </summary>
-		private struct MovableHitInfo
-		{
-			public struct JointHitInfo
-			{
-				public JointType joint;
-				public Vector3 hitOffset;
-				public int hitTime { get; private set; }
-
-				public JointHitInfo(JointType in_JointType, Vector3 in_HitOffset)
-				{
-					joint = in_JointType;
-					hitOffset = in_HitOffset;
-					hitTime = Time.frameCount;
-				}
-
-				public void Update()
-				{
-					hitTime = Time.frameCount;
-				}
-			}
-
-			public HandGrabInteractable grabbable;
-			public List<JointHitInfo> jointHitInfos;
-			public bool grabbed;
-			public bool stopMove;
-
-			public MovableHitInfo(HandGrabInteractable in_Grabbable, JointType in_Joint, Vector3 in_Offset)
-			{
-				grabbable = in_Grabbable;
-				jointHitInfos = new List<JointHitInfo>()
-				{
-					new JointHitInfo(in_Joint, in_Offset)
-				};
-				grabbed = false;
-				stopMove = false;
-			}
-
-			public void Update(bool in_Grabbed, bool in_StopMove)
-			{
-				grabbed = in_Grabbed;
-				stopMove = in_StopMove;
-			}
-
-			public void Reset()
-			{
-				grabbed = false;
-				stopMove = false;
-			}
-
-			/// <summary>
-			/// Add a JointType. If it's already in the dictionary, update the time.
-			/// </summary>
-			/// <param name="joint">The joint which needs to be added.</param>
-			public void AddJoint(JointType joint, Vector3 offset)
-			{
-				int hitId = jointHitInfos.FindIndex(x => x.joint == joint);
-				if (hitId == -1)
-				{
-					jointHitInfos.Add(new JointHitInfo(joint, offset));
-				}
-				else
-				{
-					JointHitInfo jointHitInfo = jointHitInfos[hitId];
-					jointHitInfo.Update();
-					jointHitInfos[hitId] = jointHitInfo;
-				}
-			}
-
-			/// <summary>
-			/// Remove a JointType and check if it has been grabbed.
-			/// </summary>
-			/// <param name="joint">The joint which needs to be removed.</param>
-			public void RemoveJoint(JointType joint)
-			{
-				int hitId = jointHitInfos.FindIndex(x => x.joint == joint);
-				if (hitId != -1)
-				{
-					jointHitInfos.RemoveAt(hitId);
-				}
-			}
-		}
-
-		[SerializeField]
-		private HandMeshManager jointManager;
-
-		private GrabCollider[] jointsCollider = new GrabCollider[(int)JointType.Count];
-		private Pose[] jointsPrevFramePose = new Pose[(int)JointType.Count];
-		private bool isImmovableCollision = false;
-		private bool isGrabbing = false;
-		private List<MovableHitInfo> movableHits = new List<MovableHitInfo>();
-		private Dictionary<GrabCollider, Collider> immovableHits = new Dictionary<GrabCollider, Collider>();
-		public delegate void OnImmovableCollision(bool enable);
-		private OnImmovableCollision immovableCollisionHandler;
-
-		private void Awake()
-		{
-			if (jointManager == null)
-			{
-				jointManager = transform.GetComponent<HandMeshManager>();
-				if (jointManager == null)
-				{
-					ERROR("Failed to find HandJointManager.");
-				}
-			}
-		}
-
-		private void OnEnable()
-		{
-			if (jointManager != null)
-			{
-				jointManager.HandGrabber.AddBeginGrabListener(OnGrabberBeginGrab);
-				jointManager.HandGrabber.AddEndGrabListener(OnGrabberEndGrab);
-			}
-
-			CreateJointsCollider();
-		}
-
-		private void OnDisable()
-		{
-			if (jointManager != null)
-			{
-				jointManager.HandGrabber.RemoveBeginGrabListener(OnGrabberBeginGrab);
-				jointManager.HandGrabber.RemoveEndGrabListener(OnGrabberEndGrab);
-			}
-
-			foreach (var collider in jointsCollider)
-			{
-				collider.RemoveListener(CollisionEvent);
-				Destroy(collider);
-			}
-			Array.Clear(jointsCollider, 0, jointsCollider.Length);
-		}
-
-		private void Update()
-		{
-			if (jointManager == null) {  return; }
-
-			UpdateColliderPose();
-			if (!isGrabbing)
-			{
-				UpdateImmovable();
-				UpdateMovable();
-			}
-
-			for (int i = 0; i < jointsCollider.Length; i++)
-			{
-				jointsPrevFramePose[i] = jointsCollider[i] == null ? Pose.identity : new Pose(jointsCollider[i].transform.position, jointsCollider[i].transform.rotation);
-			}
-		}
-
-		/// <summary>
-		/// Create colliders for each joint and set them do not collide with each other.
-		/// </summary>
-		private void CreateJointsCollider()
-		{
-			if (jointManager != null)
-			{
-				var cloneRoot = Instantiate(jointManager.HandRootJoint, jointManager.HandRootJoint.parent);
-				cloneRoot.name = jointManager.HandRootJoint.name;
-				List<GameObject> children = new List<GameObject>() { cloneRoot.gameObject };
-				GetChildren(cloneRoot, children);
-
-				foreach (var child in children)
-				{
-					Transform target = jointManager.HandJoints.FirstOrDefault(x => x.name == child.name);
-					if (target != null)
-					{
-						int index = Array.IndexOf(jointManager.HandJoints, target);
-
-						GrabCollider grabCollider = child.AddComponent<GrabCollider>();
-						grabCollider.AddListener(CollisionEvent);
-						grabCollider.SetJointId(index);
-						jointsCollider[index] = grabCollider;
-					}
-				}
-			}
-
-			for (int i = 0; i < jointsCollider.Length; i++)
-			{
-				if (jointsCollider[i] == null)
-				{
-					continue;
-				}
-
-				for (int j = i + 1; j < jointsCollider.Length; j++)
-				{
-					if (jointsCollider[j] != null)
-					{
-						Physics.IgnoreCollision(jointsCollider[i].Collider, jointsCollider[j].Collider, true);
-					}
-				}
-			}
-		}
-
-		private void GetChildren(Transform parent, List<GameObject> children)
-		{
-			foreach (Transform child in parent)
-			{
-				children.Add(child.gameObject);
-				GetChildren(child, children);
-			}
-		}
-
-		/// <summary>
-		/// Update the position of the collider using the position of the joint.
-		/// </summary>
-		private void UpdateColliderPose()
-		{
-			HandData hand = CachedHand.Get(jointManager.IsLeft);
-			bool isTracked = hand.isTracked;
-			if (!isTracked)
-			{
-				return;
-			}
-
-			var parentTransform = jointManager.HandRootJoint.parent;
-			var parentRotation = Matrix4x4.Rotate(parentTransform.rotation);
-			Vector3 jointPosition = Vector3.zero;
-			Quaternion jointRotation = Quaternion.identity;
-			for (int i = 0; i < jointsCollider.Length; i++)
-			{
-				if (jointsCollider[i] == null) { continue; }
-
-				hand.GetJointPosition((JointType)i, ref jointPosition);
-				hand.GetJointRotation((JointType)i, ref jointRotation);
-
-				if ((JointType)i == JointType.Wrist)
-				{
-					jointsCollider[i].transform.localPosition = jointPosition;
-					jointsCollider[i].transform.localRotation = jointRotation;
-				}
-				jointsCollider[i].transform.rotation = (parentRotation * Matrix4x4.Rotate(jointRotation)).rotation;
-			}
-		}
-
-		/// <summary>
-		/// Save the hand pose if a collision has already occurred with a joint.
-		/// </summary>
-		private void UpdateImmovable()
-		{
-			bool isCollision = jointsCollider.Any(x => x != null && x.IsCollision);
-			foreach (var jointCollider in jointsCollider)
-			{
-				jointCollider.Collider.enabled = isCollision ? jointCollider.IsCollision : true;
-			}
-
-			if (isImmovableCollision != isCollision)
-			{
-				isImmovableCollision = isCollision;
-				immovableCollisionHandler?.Invoke(isImmovableCollision);
-			}
-		}
-
-		/// <summary>
-		/// Check all movableHits and move the object relative to the movement of the collisioned joint.
-		/// </summary>
-		private void UpdateMovable()
-		{
-			if (isImmovableCollision) { return; }
-
-			const int k_MinCollisionTimeDiff = 5;
-			const int k_MaxCollisionTimeDiff = 50;
-
-			for (int i = movableHits.Count - 1; i >= 0; i--)
-			{
-				MovableHitInfo hit = movableHits[i];
-				if (hit.stopMove) { continue; }
-
-				Vector3 totalPosition = Vector3.zero;
-				Vector3 totalOffset = Vector3.zero;
-				int validCount = 0;
-				for (int j = hit.jointHitInfos.Count - 1; j >= 0; j--)
-				{
-					MovableHitInfo.JointHitInfo jointHit = hit.jointHitInfos[j];
-					int frameCountDiff = Time.frameCount - jointHit.hitTime;
-					if (frameCountDiff > k_MinCollisionTimeDiff)
-					{
-						if (frameCountDiff > k_MaxCollisionTimeDiff)
-						{
-							hit.RemoveJoint(jointHit.joint);
-						}
-						continue;
-					}
-
-					int jointId = (int)jointHit.joint;
-					Vector3 currentPose = jointsCollider[jointId].transform.position;
-					Vector3 prevPose = jointsPrevFramePose[jointId].position;
-
-					// Condition 1: Calculate the displacement between consecutive frames of joints, it should greater than 1E-6f as significant.
-					// Condition 2: Calculate distance score relative to grabbable; the score of current pose should be greater than the previous pose.
-					// Condition 3: The dot product of the vector between the current pose and the grabbable object,
-					// and the vector representing finger movement direction should be less than 0.
-					if (Vector3.Distance(prevPose, currentPose) > 1E-6f &&
-						movableHits[i].grabbable.CalculateDistanceScore(currentPose) >= movableHits[i].grabbable.CalculateDistanceScore(prevPose) &&
-						Vector3.Dot((currentPose - prevPose).normalized, (movableHits[i].grabbable.transform.position - prevPose).normalized) > 0)
-					{
-						validCount++;
-						totalPosition += currentPose;
-						totalOffset += jointHit.hitOffset;
-					}
-				}
-
-				if (validCount > 0)
-				{
-					movableHits[i].grabbable.transform.position = (totalPosition - totalOffset) / validCount;
-				}
-
-				if (hit.jointHitInfos.Count == 0)
-				{
-					movableHits.RemoveAt(i);
-				}
-				else
-				{
-					movableHits[i] = hit;
-				}
-			}
-		}
-
-		/// <summary>
-		/// Enable or disable the collider of joints.
-		/// </summary>
-		/// <param name="enable">Enable (true) or disable (false) the colliders.</param>
-		public void EnableCollider(bool enable)
-		{
-			for (int i = 0; i < jointsCollider.Length; i++)
-			{
-				if (jointsCollider[i] != null)
-				{
-					jointsCollider[i].gameObject.SetActive(enable);
-				}
-			}
-		}
-
-		#region Collision Event
-		/// <summary>
-		/// Adds a listener for immovable collision events.
-		/// </summary>
-		/// <param name="handler">The method to be called when an immovable collision occurs.</param>
-		public void AddImmovableCollisionListener(OnImmovableCollision handler)
-		{
-			immovableCollisionHandler += handler;
-		}
-
-		/// <summary>
-		/// Removes a listener for immovable collision events.
-		/// </summary>
-		/// <param name="handler">The method to be removed from the immovable collision event listeners.</param>
-		public void RemoveImmovableCollisionListener(OnImmovableCollision handler)
-		{
-			immovableCollisionHandler -= handler;
-		}
-
-		/// <summary>
-		/// Event handler for when the grabber begins grabbing.
-		/// </summary>
-		/// <param name="grabber">The grabber of IGrabber.</param>
-		private void OnGrabberBeginGrab(IGrabber grabber)
-		{
-			isGrabbing = true;
-			for (int i = 0; i < movableHits.Count; i++)
-			{
-				if (grabber.grabbable is HandGrabInteractable &&
-					(HandGrabInteractable)grabber.grabbable == movableHits[i].grabbable)
-				{
-					MovableHitInfo movableHit = movableHits[i];
-					movableHit.Update(true, true);
-					movableHits[i] = movableHit;
-				}
-			}
-		}
-
-		private void OnGrabberEndGrab(IGrabber grabber)
-		{
-			isGrabbing = false;
-		}
-
-		/// <summary>
-		/// Filter all collision events, check for grabbables, and update collision data.
-		/// </summary>
-		/// <param name="joint">The joint which has been collision.</param>
-		/// <param name="collision">The data of Collision.</param>
-		/// <param name="isColliding">True when the collision event is OnCollisionEnter or OnCollisionStay.</param>
-		private void CollisionEvent(JointType joint, Collision collision, GrabCollider.CollisionState state)
-		{
-			bool isCollision = state != GrabCollider.CollisionState.end;
-			Rigidbody rigidbody = collision.rigidbody;
-			GrabManager.GetFirstHandGrabbableFromParent(collision.collider.gameObject, out HandGrabInteractable grabbable);
-			if (collision.rigidbody == null && (grabbable == null || grabbable != null && !grabbable.enabled)) { return; }
-
-			if ((rigidbody == null || rigidbody.isKinematic) && grabbable != null && grabbable.forceMovable)
-			{
-				if (isCollision)
-				{
-					UpdateMovableHits(joint, grabbable);
-				}
-				else
-				{
-					RemoveMovableHits(joint, grabbable);
-				}
-			}
-			else if ((rigidbody != null && rigidbody.isKinematic) || (grabbable != null && !grabbable.forceMovable))
-			{
-				UpdateImmovableHIts(joint, collision.collider, isCollision);
-			}
-
-		}
-
-		private void UpdateMovableHits(JointType joint, HandGrabInteractable grabbable)
-		{
-			int index = movableHits.FindIndex(x => x.grabbable == grabbable);
-			if (index != -1)
-			{
-				MovableHitInfo moveable = movableHits[index];
-				moveable.AddJoint(joint, jointsCollider[(int)joint].transform.position - grabbable.transform.position);
-				movableHits[index] = moveable;
-			}
-			else
-			{
-				MovableHitInfo moveable = new MovableHitInfo(grabbable, joint, jointsCollider[(int)joint].transform.position - grabbable.transform.position);
-				movableHits.Add(moveable);
-			}
-		}
-
-		private void RemoveMovableHits(JointType joint, HandGrabInteractable grabbable)
-		{
-			int index = movableHits.FindIndex(x => x.grabbable == grabbable);
-			if (index != -1)
-			{
-				MovableHitInfo movable = movableHits[index];
-				movable.RemoveJoint(joint);
-				if (movable.jointHitInfos.Count == 0)
-				{
-					movableHits.Remove(movable);
-				}
-				else
-				{
-					movableHits[index] = movable;
-				}
-			}
-		}
-
-		private void UpdateImmovableHIts(JointType joint, Collider collider, bool isCollision)
-		{
-			GrabCollider grabCollider = jointsCollider[(int)joint];
-			grabCollider.IsCollision = isCollision;
-
-			if (isCollision && !immovableHits.ContainsKey(grabCollider))
-			{
-				immovableHits.Add(grabCollider, collider);
-			}
-			else if (!isCollision && immovableHits.ContainsKey(grabCollider))
-			{
-				immovableHits.Remove(grabCollider);
-			}
-		}
-		#endregion
-	}
-}

com.htc.upm.vive.openxr/Runtime/Toolkits/RealisticHandInteraction/Scripts/HandMeshManager.cs

@@ -1,251 +0,0 @@
-using System;
-using UnityEngine;
-
-namespace VIVE.OpenXR.Toolkits.RealisticHandInteraction
-{
-	/// <summary>
-	/// This class is designed to manage the positions of various joint nodes in the hand model.
-	/// </summary>
-	public class HandMeshManager : MonoBehaviour
-	{
-		const string LOG_TAG = "VIVE.OpenXR.Toolkits.RealisticHandInteraction.HandMeshManager";
-		private void DEBUG(string msg) { Debug.Log($"{LOG_TAG}, {msg}"); }
-		private void WARNING(string msg) { Debug.LogWarning($"{LOG_TAG}, {msg}"); }
-		private void ERROR(string msg) { Debug.LogError($"{LOG_TAG}, {msg}"); }
-
-		private enum RootType
-		{
-			Palm = JointType.Palm,
-			Wrist = JointType.Wrist,
-		}
-
-		[SerializeField]
-		private Handedness m_Handedness;
-		public bool IsLeft { get { return m_Handedness == Handedness.Left; } }
-		[SerializeField]
-		private HandGrabInteractor m_HandGrabber;
-		public HandGrabInteractor HandGrabber { get { return m_HandGrabber; } }
-		[SerializeField]
-		private RootType m_RootJointType;
-		public JointType RootJointType { get { return (JointType)m_RootJointType; } }
-		[SerializeField]
-		private Transform m_HandRootJoint;
-		public Transform HandRootJoint { get { return m_HandRootJoint; } }
-		[SerializeField]
-		private Transform[] m_HandJoints = new Transform[(int)JointType.Count];
-		public Transform[] HandJoints { get { return m_HandJoints; } }
-
-		private const int k_JointCount = 26;
-		private const int k_JointChildCount = 6;
-
-		private void OnEnable()
-		{
-			if (m_HandGrabber == null)
-			{
-				WARNING("Not to set HandGrabInteractor so it won't stop when colliding with Immovable objects.");
-			}
-		}
-
-		private void Update()
-		{
-			HandData hand = CachedHand.Get(IsLeft);
-			if (!hand.isTracked)
-			{
-				return;
-			}
-
-			var parentTransform = m_HandRootJoint.parent;
-
-			int rootId = m_RootJointType == RootType.Palm ? 0 : 1;
-			Pose jointPose = GetJointPose(hand, rootId);
-			m_HandJoints[rootId].rotation = parentTransform.rotation * jointPose.rotation;
-			m_HandJoints[rootId].localPosition = jointPose.position;
-			m_HandJoints[rootId].localRotation = jointPose.rotation;
-
-			for (int i = 0; i < m_HandJoints.Length; i++)
-			{
-				if (m_HandJoints[i] == null || i == rootId) { continue; }
-
-				jointPose = GetJointPose(hand, i);
-				m_HandJoints[i].rotation = parentTransform.rotation * jointPose.rotation;
-				if (m_HandGrabber != null && m_HandGrabber.isGrabbing &&
-					m_HandGrabber.GetGrabPoseJointRotation(i, out Quaternion localStaticRot))
-				{
-					Quaternion currentRotation = m_HandJoints[i].rotation;
-					Quaternion maxRotation = m_HandJoints[i].parent.rotation * localStaticRot;
-					if (m_HandGrabber.IsRequiredJoint((JointType)i) ||
-						OverFlex(currentRotation, maxRotation) >= 0 ||
-						FlexAngle(currentRotation, maxRotation) >= 100)
-					{
-						m_HandJoints[i].rotation = maxRotation;
-					}
-				}
-			}
-		}
-
-		/// <summary>
-		/// Calculate whether the current rotation exceeds the maximum rotation.
-		/// If the product is greater than 0, it exceeds.
-		/// </summary>
-		/// <param name="currentRot">Current rotation</param>
-		/// <param name="maxRot">Maximum rotation</param>
-		/// <returns>The return value represents the dot product between the cross product of two rotations and the -x axis direction of the current rotation.</returns>
-		private float OverFlex(Quaternion currentRot, Quaternion maxRot)
-		{
-			Vector3 currFwd = currentRot * Vector3.forward;
-			Vector3 maxFwd = maxRot * Vector3.forward;
-			return Vector3.Dot(currentRot * Vector3.left, Vector3.Cross(currFwd, maxFwd));
-		}
-
-		/// <summary>
-		/// Calculate the angle between the y-axis directions of two rotations.
-		/// </summary>
-		/// <param name="currentRot">Current rotation</param>
-		/// <param name="maxRot">Maximum rotation</param>
-		/// <returns>The return value represents the angle between the up directions of the two rotation</returns>
-		private float FlexAngle(Quaternion currentRot, Quaternion maxRot)
-		{
-			Vector3 currFwd = currentRot * Vector3.up;
-			Vector3 maxFwd = maxRot * Vector3.up;
-			return Mathf.Acos(Vector3.Dot(currFwd, maxFwd) / (currFwd.magnitude * maxFwd.magnitude)) * Mathf.Rad2Deg;
-		}
-
-		/// <summary>
-		/// Get the pose of the joint based on the joint ID.
-		/// </summary>
-		/// <param name="hand">The current result of hand tracking.</param>
-		/// <param name="jointId">ID of the specified joint.</param>
-		/// <returns>Return the pose of the specified joint.</returns>
-		private Pose GetJointPose(HandData hand, int jointId)
-		{
-			if (m_HandGrabber != null)
-			{
-				return m_HandGrabber.GetCurrentJointPose(jointId);
-			}
-
-			Vector3 jointPosition = Vector3.zero;
-			Quaternion jointRotation = Quaternion.identity;
-			hand.GetJointPosition((JointType)jointId, ref jointPosition);
-			hand.GetJointRotation((JointType)jointId, ref jointRotation);
-			return new Pose(jointPosition, jointRotation);
-		}
-
-		/// <summary>
-		/// Get the transform of the joint.
-		/// </summary>
-		/// <param name="joint">JointType of the specified joint.</param>
-		/// <param name="jointTransform">Output the transform of the joint.</param>
-		/// <returns>Return true if successfully get the transform, otherwise false.</returns>
-		public bool GetJointTransform(JointType joint, out Transform jointTransform)
-		{
-			jointTransform = null;
-			int id = (int)joint;
-			if (id >= 0 && id < m_HandJoints.Length)
-			{
-				if (m_HandJoints[id] != null)
-				{
-					jointTransform = m_HandJoints[id];
-					return true;
-				}
-			}
-			return false;
-		}
-
-		/// <summary>
-		/// Set all joints through gesture.
-		/// </summary>
-		/// <param name="handGrabGesture">The gesture of grabbing.</param>
-		/// <returns>Return true if successfully set the gesture, otherwise false.</returns>
-		public bool SetJointsFromGrabGesture(HandGrabGesture handGrabGesture)
-		{
-			if (m_HandGrabber == null) { return false; }
-
-			for (int i = 0; i < m_HandJoints.Length; i++)
-			{
-				m_HandJoints[i].localRotation = m_HandGrabber.handGrabState.GetDefaultJointRotationInGesture(handGrabGesture, i);
-			}
-			return true;
-		}
-
-#if UNITY_EDITOR
-
-		public void FindJoints()
-		{
-			if (m_HandRootJoint != null)
-			{
-				int fingerJoint = (int)JointType.Thumb_Joint0;
-				if (m_HandRootJoint.childCount == k_JointChildCount)
-				{
-					for (int i = 0; i < m_HandRootJoint.childCount; i++)
-					{
-						Transform child = m_HandRootJoint.GetChild(i);
-						switch (child.childCount)
-						{
-							case 0:
-								if (m_RootJointType == RootType.Palm)
-								{
-									m_HandJoints[(int)JointType.Palm] = m_HandRootJoint;
-									m_HandJoints[(int)JointType.Wrist] = child;
-								}
-								else
-								{
-									m_HandJoints[(int)JointType.Palm] = child;
-									m_HandJoints[(int)JointType.Wrist] = m_HandRootJoint;
-								}
-								break;
-							case 4:
-							case 5:
-								for (int j = 0; j < child.childCount; j++)
-								{
-									m_HandJoints[fingerJoint] = child.GetChild(j);
-									fingerJoint++;
-								}
-								break;
-							default:
-								fingerJoint = RecursiveFind(fingerJoint, child);
-								break;
-						}
-					}
-				}
-				else if (m_HandRootJoint.childCount == k_JointCount - 1)
-				{
-					Transform child = m_HandRootJoint.GetChild(0);
-					if (m_RootJointType == RootType.Palm)
-					{
-						m_HandJoints[(int)JointType.Palm] = m_HandRootJoint;
-						m_HandJoints[(int)JointType.Wrist] = child;
-					}
-					else
-					{
-						m_HandJoints[(int)JointType.Palm] = child;
-						m_HandJoints[(int)JointType.Wrist] = m_HandRootJoint;
-					}
-					for (int i = 1; i < m_HandRootJoint.childCount; i++)
-					{
-						m_HandJoints[i + 1] = m_HandRootJoint.GetChild(i);
-					}
-				}
-			}
-		}
-
-		private int RecursiveFind(int jointId, Transform transform)
-		{
-			m_HandJoints[jointId] = transform;
-			jointId++;
-			if (transform.childCount > 0)
-			{
-				for (int i = 0; i < transform.childCount; i++)
-				{
-					jointId = RecursiveFind(jointId, transform.GetChild(i));
-				}
-			}
-			return jointId;
-		}
-
-		public void ClearJoints()
-		{
-			Array.Clear(m_HandJoints, 0, m_HandJoints.Length);
-		}
-#endif
-	}
-}

com.htc.upm.vive.openxr/Samples~/Samples/Samples/Anchor/Scripts/AnchorTestHandle.cs

@@ -127,7 +127,7 @@ namespace VIVE.OpenXR.Samples.Anchor
 
             if (AnchorManager.GetTrackingSpacePose(anchor, out Pose pose))
             {
-                // Convert tracking space pose to rig space pose
+                // Convert tracking space pose to world space pose
                 obj.position = rig.TransformPoint(pose.position);
                 obj.rotation = rig.rotation * pose.rotation;
 

com.htc.upm.vive.openxr/Samples~/Samples/Samples/Commons/VRSPrefabs/Hand/Model/Materials.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 6a008b18e6da66442857fdd566150c9c
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

com.htc.upm.vive.openxr/Samples~/Samples/Samples/Commons/VRSPrefabs/Hand/Model/Materials/HandMatLeft.mat

@@ -0,0 +1,45 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!21 &2100000
+Material:
+  serializedVersion: 6
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_Name: HandMatLeft
+  m_Shader: {fileID: 4800000, guid: e7d763db3f0479b49a6e358298f1717f, type: 3}
+  m_ShaderKeywords: 
+  m_LightmapFlags: 4
+  m_EnableInstancingVariants: 0
+  m_DoubleSidedGI: 0
+  m_CustomRenderQueue: -1
+  stringTagMap: {}
+  disabledShaderPasses: []
+  m_SavedProperties:
+    serializedVersion: 3
+    m_TexEnvs:
+    - _AlphaText:
+        m_Texture: {fileID: 2800000, guid: 7a3b01026ed0d664eb88c1a71f03465a, type: 3}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _texcoord:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _texcoord3:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    m_Floats:
+    - _Gradient_Blur: 0.2854134
+    - _Gradient_level: 0.5225084
+    - _Opacity: 0.45
+    - _OutlineThickness: 0.001
+    - __dirty: 1
+    - _line_opacity: 0.5
+    m_Colors:
+    - _ConColorA: {r: 0.1058824, g: 0.6901961, b: 0.9019608, a: 0}
+    - _ConColorB: {r: 1, g: 1, b: 1, a: 0}
+    - _GraColorA: {r: 0.1058824, g: 0.6901961, b: 0.9019608, a: 0}
+    - _GraColorB: {r: 1, g: 1, b: 1, a: 0}

com.htc.upm.vive.openxr/Samples~/Samples/Samples/Commons/VRSPrefabs/Hand/Model/Materials/HandMatLeft.mat.meta

@@ -0,0 +1,8 @@
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+guid: 2687505453755f7438ac99850b96b1a4
+NativeFormatImporter:
+  externalObjects: {}
+  mainObjectFileID: 0
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

com.htc.upm.vive.openxr/Samples~/Samples/Samples/Commons/VRSPrefabs/Hand/Model/Materials/HandMatRight.mat

@@ -0,0 +1,45 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!21 &2100000
+Material:
+  serializedVersion: 6
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_Name: HandMatRight
+  m_Shader: {fileID: 4800000, guid: e7d763db3f0479b49a6e358298f1717f, type: 3}
+  m_ShaderKeywords: 
+  m_LightmapFlags: 0
+  m_EnableInstancingVariants: 0
+  m_DoubleSidedGI: 0
+  m_CustomRenderQueue: -1
+  stringTagMap: {}
+  disabledShaderPasses: []
+  m_SavedProperties:
+    serializedVersion: 3
+    m_TexEnvs:
+    - _AlphaText:
+        m_Texture: {fileID: 2800000, guid: 7a3b01026ed0d664eb88c1a71f03465a, type: 3}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _texcoord:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _texcoord3:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    m_Floats:
+    - _Gradient_Blur: 0.2854134
+    - _Gradient_level: 0.5225084
+    - _Opacity: 0.45
+    - _OutlineThickness: 0.001
+    - __dirty: 1
+    - _line_opacity: 0.5
+    m_Colors:
+    - _ConColorA: {r: 0.1058824, g: 0.6901961, b: 0.9019608, a: 0}
+    - _ConColorB: {r: 1, g: 1, b: 1, a: 0}
+    - _GraColorA: {r: 0.1058824, g: 0.6901961, b: 0.9019608, a: 0}
+    - _GraColorB: {r: 1, g: 1, b: 1, a: 0}

com.htc.upm.vive.openxr/Samples~/Samples/Samples/Commons/VRSPrefabs/Hand/Model/Materials/HandMatRight.mat.meta

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+  mainObjectFileID: 0
+  userData: 
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+  assetBundleVariant: 

com.htc.upm.vive.openxr/Samples~/Samples/Samples/Commons/VRSPrefabs/Hand/Model/Shaders.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: b67e19957d781e74ea93eb33ee345f49
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

com.htc.upm.vive.openxr/Samples~/Samples/Samples/Commons/VRSPrefabs/Hand/Model/Shaders/handBlueGrafillOL.shader

@@ -0,0 +1,116 @@
+// Made with Amplify Shader Editor
+Shader "Wave/Essence/Hand/Model"
+{
+	Properties
+	{
+		[HDR]_GraColorA("GradianColorA", Color) = (0.1058824,0.6901961,0.9019608,0)
+		[HDR]_GraColorB("GradianColorB", Color) = (1,1,1,0)
+		[HDR]_ConGraColorA("ContourColorA", Color) = (0.1058824,0.6901961,0.9019608,0)
+		[HDR]_ConGraColorB("ContourColorB", Color) = (1,1,1,0)
+		_Gradient_Blur("Gradient_Blur", Range(0 , 1)) = 0.2854134
+		_Gradient_level("Gradient_level", Range(0 , 1)) = 0.5225084
+		_Opacity("Opacity", Range(0 , 1)) = 0.45
+		_line_opacity("line_opacity", Range(0 , 1)) = 0.5
+		_OutlineThickness("OutlineThickness", Range(0 , 0.002)) = 0.001
+		_AlphaText("AlphaText", 2D) = "white" {}
+		[HideInInspector] _texcoord3("", 2D) = "white" {}
+		[HideInInspector] _texcoord("", 2D) = "white" {}
+		[HideInInspector] __dirty("", Int) = 1
+	}
+
+		SubShader
+		{
+			Pass
+			{
+				ColorMask 0
+				ZWrite On
+			}
+
+			Tags{ "RenderType" = "Transparent"  "Queue" = "Transparent+0"}
+			Cull Front
+			CGPROGRAM
+			#pragma target 3.0
+			#pragma surface outlineSurf Outline nofog alpha:fade  keepalpha noshadow noambient novertexlights nolightmap nodynlightmap nodirlightmap nometa noforwardadd vertex:outlineVertexDataFunc 
+
+
+
+
+			struct Input
+			{
+				float2 uv3_texcoord3;
+				float2 uv_texcoord;
+			};
+			uniform float _OutlineThickness;
+			uniform float4 _ConGraColorA;
+			uniform float4 _ConGraColorB;
+			uniform float _Gradient_level;
+			uniform float _Gradient_Blur;
+			uniform float _line_opacity;
+			uniform sampler2D _AlphaText;
+
+			void outlineVertexDataFunc(inout appdata_full v, out Input o)
+			{
+				UNITY_INITIALIZE_OUTPUT(Input, o);
+				float outlineVar = _OutlineThickness;
+				v.vertex.xyz += (v.normal * outlineVar);
+			}
+			inline half4 LightingOutline(SurfaceOutput s, half3 lightDir, half atten) { return half4 (0,0,0, s.Alpha); }
+			void outlineSurf(Input i, inout SurfaceOutput o)
+			{
+				float clampResult114 = clamp((_Gradient_level + ((_Gradient_level - i.uv3_texcoord3.y) / _Gradient_Blur)) , 0.0 , 1.0);
+				float4 lerpResult100 = lerp(_ConGraColorA, _ConGraColorB, clampResult114);
+				float4 tex2DNode92 = tex2D(_AlphaText, i.uv_texcoord);
+				o.Emission = lerpResult100.rgb;
+				o.Alpha = (_line_opacity * tex2DNode92).r;
+			}
+			ENDCG
+
+
+			Tags{ "RenderType" = "Transparent"  "Queue" = "Transparent+0" "IgnoreProjector" = "True" "IsEmissive" = "true"  }
+			Cull Back
+			Blend SrcAlpha OneMinusSrcAlpha
+
+			CGPROGRAM
+			#pragma target 3.0
+			#pragma surface surf Unlit keepalpha noshadow vertex:vertexDataFunc 
+			struct Input
+			{
+				float2 uv3_texcoord3;
+				float2 uv_texcoord;
+			};
+
+			uniform float4 _GraColorA;
+			uniform float4 _GraColorB;
+			uniform float _Gradient_level;
+			uniform float _Gradient_Blur;
+			uniform float _Opacity;
+			uniform sampler2D _AlphaText;
+
+			void vertexDataFunc(inout appdata_full v, out Input o)
+			{
+				UNITY_INITIALIZE_OUTPUT(Input, o);
+				v.vertex.xyz += 0;
+			}
+
+			inline half4 LightingUnlit(SurfaceOutput s, half3 lightDir, half atten)
+			{
+				return half4 (0, 0, 0, s.Alpha);
+			}
+
+			void surf(Input i , inout SurfaceOutput o)
+			{
+				float clampResult114 = clamp((_Gradient_level + ((_Gradient_level - i.uv3_texcoord3.y) / _Gradient_Blur)) , 0.0 , 1.0);
+				float4 lerpResult100 = lerp(_GraColorA , _GraColorB , clampResult114);
+				o.Emission = lerpResult100.rgb;
+				float4 color104 = IsGammaSpace() ? float4(0,0,0,0) : float4(0,0,0,0);
+				float4 color102 = IsGammaSpace() ? float4(1,1,1,0) : float4(1,1,1,0);
+				float smoothstepResult103 = smoothstep(-0.05 , 1.0 , i.uv3_texcoord3.y);
+				float4 lerpResult105 = lerp(color104 , color102 , smoothstepResult103);
+				float4 tex2DNode92 = tex2D(_AlphaText, i.uv_texcoord);
+				o.Alpha = (lerpResult105 * _Opacity * tex2DNode92).r;
+			}
+
+			ENDCG
+		}
+			CustomEditor "ASEMaterialInspector"
+}

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