set kinematic

Assets/Mirror/Components/NetworkTransformUnreliable/NetworkRigidbody.cs

@@ -5,5 +5,33 @@ namespace Mirror
     [RequireComponent(typeof(Rigidbody))]
     public class NetworkRigidbody : NetworkTransform
     {
+        // cache the Rigidbody component
+        Rigidbody rb;
+        void Awake() { rb = GetComponent<Rigidbody>(); }
+
+        // FixedUpdate for physics
+        void FixedUpdate()
+        {
+            // who ever has authority moves the Rigidbody with physics.
+            // everyone else simply sets it to kinematic.
+            // so that only the Transform component is synced.
+            if (isClient)
+            {
+                // on the client, force kinematic if server has authority.
+                // or if another client (not us) has authority.
+                // otherwise don't touch isKinematic.
+                // the authority owner might use it either way.
+                if (!IsClientWithAuthority)
+                    rb.isKinematic = true;
+            }
+            else if (isServer)
+            {
+                // on the server, force kinematic if a client has authority.
+                // otherwise don't touch isKinematic.
+                // the authority owner might use it either way.
+                if (clientAuthority)
+                    rb.isKinematic = true;
+            }
+        }
     }
 }