common extensions and some utilities

Runtime/Engine/Code/Extensions/TransformEx.cs

@@ -0,0 +1,19 @@
+using System;
+using UnityEngine;
+using Object = UnityEngine.Object;
+
+namespace RebootKit.Engine.Extensions {
+    public static class TransformEx {
+        public static void DestroyChildren(this Transform transform) {
+            foreach (Transform child in transform) {
+                Object.Destroy(child);
+            }
+        }
+
+        public static void ForEachChild(this Transform transform, Action<Transform> action) {
+            foreach (Transform child in transform) {
+                action(child);
+            }
+        }
+    }
+}