First commit

Assets/UdonSharp/UtilityScripts/BoneFollower.cs

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+
+using UnityEngine;
+using VRC.SDK3.Components;
+using VRC.SDKBase;
+using VRC.Udon;
+
+namespace UdonSharp.Examples.Utilities
+{
+    /// <summary>
+    /// Follows a chosen bone on humanoid avatars using the playerapi
+    /// </summary>
+    [AddComponentMenu("Udon Sharp/Utilities/Bone Follower")]
+    [UdonBehaviourSyncMode(BehaviourSyncMode.NoVariableSync)]
+    public class BoneFollower : UdonSharpBehaviour 
+    {
+        public HumanBodyBones trackedBone;
+
+        VRCPlayerApi playerApi;
+        bool isInEditor;
+
+        void Start()
+        {
+            playerApi = Networking.LocalPlayer;
+            isInEditor = playerApi == null;
+        }
+
+        void Update()
+        {
+            if (isInEditor)
+                return;
+
+            transform.SetPositionAndRotation(playerApi.GetBonePosition(trackedBone), playerApi.GetBoneRotation(trackedBone));
+        }
+    }
+}