rename "InfiniteScrollRect" to "ScrollPool"

src/UI/Widgets/ScrollPool/UIExtensions.cs

@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using UnityEngine;
+
+namespace UnityExplorer.UI.Widgets
+{
+    public static class UIExtension
+    {
+        public static void GetCorners(this RectTransform rect, Vector3[] corners)
+        {
+            Vector3 bottomLeft = new Vector3(rect.position.x, rect.position.y - rect.rect.height, 0);
+
+            corners[0] = bottomLeft;
+            corners[1] = bottomLeft + new Vector3(0, rect.rect.height, 0);
+            corners[2] = bottomLeft + new Vector3(rect.rect.width, rect.rect.height, 0);
+            corners[3] = bottomLeft + new Vector3(rect.rect.width, 0, 0);
+        }
+
+        // again, using position and rect instead of 
+
+        public static float MaxY(this RectTransform rect) => rect.position.y - rect.rect.height;
+
+        public static float MinY(this RectTransform rect) => rect.position.y;
+
+        public static float MaxX(this RectTransform rect) => rect.position.x - rect.rect.width;
+
+        public static float MinX(this RectTransform rect) => rect.position.x;
+    }
+}