case1

Assets/Samples/Cinemachine/2.10.5/Cinemachine Example Scenes/Shared/Scripts/SpawnInCircle.cs

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+using UnityEngine;
+
+namespace Cinemachine.Examples
+{
+    public class SpawnInCircle : MonoBehaviour
+    {
+        public GameObject Prefab;
+        public float Radius = 1000;
+        public float Amount = 10000;
+        public bool DoIt;
+
+        void Update()
+        {
+            if (DoIt && Prefab != null)
+            {
+                var rootPos = transform.position;
+                var rot = transform.rotation;
+                for (int i = 0; i < Amount; ++i)
+                {
+                    var a = Random.Range(0, 360);
+                    var pos = new Vector3(Mathf.Cos(a), 0, Mathf.Sin(a));
+                    pos = rootPos + pos * Mathf.Sqrt(Random.Range(0.0f, 1.0f)) * Radius;
+                    Instantiate(Prefab, pos, rot, transform.parent);
+                }
+            }
+
+            DoIt = false;
+        }
+    }
+}