version 2.3.0

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

@@ -0,0 +1,93 @@
+// "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
+	}
+}