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1 files changed, 103 insertions, 0 deletions

diff --git a/Assets/Samples/XR Interaction Toolkit/3.1.2/Hands Interaction Demo/HandsDemoSceneAssets/Scripts/TransformSync.cs b/Assets/Samples/XR Interaction Toolkit/3.1.2/Hands Interaction Demo/HandsDemoSceneAssets/Scripts/TransformSync.cs
new file mode 100644
index 0000000..8635c69
--- /dev/null
+++ b/Assets/Samples/XR Interaction Toolkit/3.1.2/Hands Interaction Demo/HandsDemoSceneAssets/Scripts/TransformSync.cs
@@ -0,0 +1,103 @@
+using System;
+using UnityEngine.XR.Interaction.Toolkit.Utilities.Tweenables.Primitives;
+
+namespace UnityEngine.XR.Interaction.Toolkit.Samples.Hands
+{
+    /// <summary>
+    /// Class used to sync the transform of a target game object with this one.
+    /// </summary>
+    public class TransformSync : MonoBehaviour
+    {
+        [SerializeField]
+        [Tooltip("Transform to apply this transform's data to.")]
+        Transform m_TargetTransform;
+
+        [SerializeField]
+        [Range(0f, 30f)]
+        [Tooltip("Set to 0 for no smoothing. Higher values indicate more smoothing.")]
+        float m_SmoothFollowSpeed = 8f;
+
+        Rigidbody m_Rigidbody;
+
+        bool m_HasTransform;
+        bool m_HasRigidbody;
+
+        Transform m_ThisTransform;
+
+#pragma warning disable CS0618 // Type or member is obsolete
+        readonly Vector3TweenableVariable m_PositionTweenable = new Vector3TweenableVariable();
+        readonly QuaternionTweenableVariable m_RotationTweenable = new QuaternionTweenableVariable();
+#pragma warning restore CS0618 // Type or member is obsolete
+
+        /// <summary>
+        /// See <see cref="MonoBehaviour"/>.
+        /// </summary>
+        void OnValidate()
+        {
+            if (m_TargetTransform != null)
+            {
+                transform.localPosition = transform.parent == null
+                    ? m_TargetTransform.position
+                    : transform.parent.InverseTransformPoint(m_TargetTransform.position);
+            }
+        }
+
+        /// <summary>
+        /// See <see cref="MonoBehaviour"/>.
+        /// </summary>
+        void Awake()
+        {
+            m_ThisTransform = transform;
+        }
+
+        /// <summary>
+        /// See <see cref="MonoBehaviour"/>.
+        /// </summary>
+        void OnEnable()
+        {
+            if (m_TargetTransform == null)
+            {
+                enabled = false;
+                return;
+            }
+            m_HasTransform = true;
+
+            if (m_TargetTransform.TryGetComponent(out Rigidbody rigidBodyComponent))
+            {
+                m_Rigidbody = rigidBodyComponent;
+                m_HasRigidbody = true;
+            }
+
+            m_PositionTweenable.Value = m_ThisTransform.position;
+            m_RotationTweenable.Value = m_ThisTransform.rotation;
+        }
+
+        /// <summary>
+        /// See <see cref="MonoBehaviour"/>.
+        /// </summary>
+        void Update()
+        {
+            m_PositionTweenable.target = m_ThisTransform.position;
+            m_RotationTweenable.target = m_ThisTransform.rotation;
+
+            var tweenTarget = m_SmoothFollowSpeed > 0f ? m_SmoothFollowSpeed * Time.deltaTime : 1f;
+            m_PositionTweenable.HandleTween(tweenTarget);
+            m_RotationTweenable.HandleTween(tweenTarget);
+
+            if (!m_HasRigidbody && m_HasTransform)
+                m_TargetTransform.SetPositionAndRotation(m_PositionTweenable.Value, m_RotationTweenable.Value);
+        }
+
+        /// <summary>
+        /// See <see cref="MonoBehaviour"/>.
+        /// </summary>
+        void FixedUpdate()
+        {
+            if (!m_HasRigidbody)
+                return;
+
+            m_Rigidbody.MovePosition(m_PositionTweenable.Value);
+            m_Rigidbody.MoveRotation(m_RotationTweenable.Value);
+        }
+    }
+}