Added Observation Scene to show the Replay

Assets/Samples/Cinemachine/3.1.3/Shared Assets/Scripts/MagnetGroupController.cs

@@ -0,0 +1,29 @@
+using UnityEngine;
+
+namespace Unity.Cinemachine.Samples
+{
+    public class MagnetGroupController : MonoBehaviour
+    {
+        public CinemachineTargetGroup TargetGroup;
+
+        void Update()
+        {
+            if (TargetGroup == null || TargetGroup.IsEmpty)
+                return;
+
+            // We assume that the player is at group index 0
+            var targets = TargetGroup.Targets;
+            var playerPos = targets[0].Object.position;
+            for (int i = 1; i < targets.Count; ++i)
+            {
+                var t = targets[i];
+                if (t.Object != null && t.Object.TryGetComponent<Magnet>(out var magnet))
+                {
+                    // Reduce the member weight as the distance from player increases
+                    var distance = (playerPos - t.Object.position).magnitude;
+                    t.Weight = magnet.Strength * Mathf.Max(0, 1 - distance / magnet.Range);
+                }
+            }
+        }
+    }
+}