aha

Assets/Mirror/Examples/BenchmarkPrediction/RandomForce.cs

@@ -0,0 +1,52 @@
+using UnityEngine;
+
+namespace Mirror.Examples.PredictionBenchmark
+{
+    public class RandomForce : NetworkBehaviour
+    {
+        public float force = 10;
+        public float interval = 3;
+        PredictedRigidbody prediction;
+        Rigidbody rb => prediction.predictedRigidbody;
+
+        void Awake()
+        {
+            prediction = GetComponent<PredictedRigidbody>();
+        }
+
+        // every(!) connected client adds force to all objects(!)
+        // the more clients, the more crazier it gets.
+        // this is intentional for benchmarks.
+        public override void OnStartClient()
+        {
+            // start at a random time, but repeat at a fixed time
+            float randomStart = Random.Range(0, interval);
+            InvokeRepeating(nameof(ApplyForce), randomStart, interval);
+        }
+
+
+        [ClientCallback]
+        void ApplyForce()
+        {
+            // calculate force in random direction but always upwards
+            Vector2 direction2D = Random.insideUnitCircle;
+            Vector3 direction3D = new Vector3(direction2D.x, 1.0f, direction2D.y);
+            Vector3 impulse = direction3D * force;
+
+            // grab the current Rigidbody from PredictedRigidbody.
+            // sometimes this is on a ghost object, so always grab it live:
+
+
+            // predicted locally and sync to server for others to see.
+            // PredictedRigidbody will take care of corrections automatically.
+            rb.AddForce(impulse, ForceMode.Impulse);
+            CmdApplyForce(impulse);
+        }
+
+        [Command(requiresAuthority = false)] // everyone can call this
+        void CmdApplyForce(Vector3 impulse)
+        {
+            rb.AddForce(impulse, ForceMode.Impulse);
+        }
+    }
+}