update

Assets/Third Parties/Invector-3rdPersonController/ItemManager/Scripts/vGridLayoutExpand.cs

@@ -0,0 +1,46 @@
+using UnityEngine;
+using UnityEngine.UI;
+namespace Invector
+{
+    public class vGridLayoutExpand : MonoBehaviour
+    {
+        GridLayoutGroup grid;
+        public int count;
+        RectTransform rect;
+        float multiple;
+        float oldMultiple;
+
+        void Start()
+        {
+            grid = GetComponent<GridLayoutGroup>();
+            rect = GetComponent<RectTransform>();
+        }
+
+        void OnDrawGizmos()
+        {
+            if (Application.isPlaying) return;
+            grid = GetComponent<GridLayoutGroup>();
+            rect = GetComponent<RectTransform>();
+            UpdateBottomSize();
+        }
+
+        void UpdateBottomSize()
+        {
+            double value = ((double)rect.childCount / (double)count);
+            multiple = (float)System.Math.Round(value, System.MidpointRounding.AwayFromZero) + 1;
+            if (multiple != oldMultiple)
+            {
+                var scale = rect.offsetMin;
+                var desiredScaleY = (grid.cellSize.y + grid.spacing.y) * -multiple;
+                scale.y = desiredScaleY;
+                rect.offsetMin = scale;
+                oldMultiple = multiple;
+            }
+        }
+
+        void Update()
+        {
+            UpdateBottomSize();
+        }
+    }
+}