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Packages/com.arongranberg.aline/ExampleScenes~/Example1_Gizmos/TimedSpawner.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace Drawing.Examples {
+	[HelpURL("http://arongranberg.com/aline/documentation/stable/timedspawner.html")]
+	public class TimedSpawner : MonoBehaviour {
+		public float interval = 1;
+		public float lifeTime = 5;
+		public GameObject prefab;
+
+		// Start is called before the first frame update
+		IEnumerator Start () {
+			while (true) {
+				var go = GameObject.Instantiate(prefab, transform.position + Random.insideUnitSphere * 0.01f, Random.rotation);
+				StartCoroutine(DestroyAfter(go, lifeTime));
+				yield return new WaitForSeconds(interval);
+			}
+		}
+
+		IEnumerator DestroyAfter (GameObject go, float delay) {
+			yield return new WaitForSeconds(delay);
+			GameObject.Destroy(go);
+		}
+	}
+}