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Assets/Mirror/Examples/Benchmark/Scripts/MonsterMovement.cs

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+using UnityEngine;
+
+namespace Mirror.Examples.Benchmark
+{
+    public class MonsterMovement : NetworkBehaviour
+    {
+        public float speed = 1;
+
+        // movement probability:
+        // 0.5 is too high, monsters are moving almost all the time.
+        // only-sync-on-change shows no difference with 0.5 at all.
+        // in other words: broken change detection would be too easy to miss!
+        [Header("Note: use 0.1 to test change detection, 0.5 is too high!")]
+        public float movementProbability = 0.1f;
+        public float movementDistance = 20;
+
+        bool moving;
+        Vector3 start;
+        Vector3 destination;
+
+        public override void OnStartServer()
+        {
+            start = transform.position;
+        }
+
+        [ServerCallback]
+        void Update()
+        {
+            if (moving)
+            {
+                if (Vector3.Distance(transform.position, destination) <= 0.01f)
+                {
+                    transform.position = destination;
+                    moving = false;
+                }
+                else
+                {
+                    transform.position = Vector3.MoveTowards(transform.position, destination, speed * Time.deltaTime);
+                }
+            }
+            else
+            {
+                float r = Random.value;
+                if (r < movementProbability * Time.deltaTime)
+                {
+                    Vector2 circlePos = Random.insideUnitCircle;
+                    Vector3 dir = new Vector3(circlePos.x, 0, circlePos.y);
+
+                    // set destination on random pos in a circle around start.
+                    // (don't want to wander off)
+                    destination = start + dir * movementDistance;
+                    moving = true;
+                }
+            }
+        }
+    }
+}