[Add] FishNet

Assets/FishNet/Demos/Prediction/Rigidbody/Scripts/Spring.cs

@@ -0,0 +1,37 @@
+using FishNet.Component.Prediction;
+using FishNet.Object;
+using UnityEngine;
+
+namespace FishNet.Demo.Prediction.Rigidbodies
+{
+    public class Spring : NetworkBehaviour
+    {
+        [SerializeField]
+        private float _rotateRate = 90f;
+
+        private void Awake()
+        {
+            NetworkTrigger networkTrigger = GetComponent<NetworkTrigger>();
+            /* No need to unsubscribe this networkTrigger is on this object.
+             * The subscription will die with the object. */
+            networkTrigger.OnEnter += NetworkTrigger_OnEnter;
+        }
+
+        private void Update()
+        {
+            transform.Rotate(new Vector3(0f, 1f, 0f) * (_rotateRate * Time.deltaTime));
+        }
+
+        private void NetworkTrigger_OnEnter(Collider c)
+        {
+            if (!c.transform.root.TryGetComponent(out RigidbodyPrediction rbp))
+                return;
+
+            /* When the vehicle enters this object call SpringHit.
+             * This trigger will invoke if the client enters it after a reconcile as well.
+             * Because of this, it's not unusual to see enter/exit called many times over a second
+             * due to the vehicle reconciling and running through the trigger again. */
+            rbp.SpringHit();
+        }
+    }
+}