更新

Assets/OtherPlugins/GraphicsCat/Modules/Common/Utils/MaterialUtils.cs

@@ -0,0 +1,30 @@
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace GraphicsCat
+{
+    public static class MaterialUtils
+    {
+        public static HashSet<Material> FindAllMaterialsInScene(bool includeInactive = false)
+        {
+            var materials = new HashSet<Material>();
+            var findMode = includeInactive ? FindObjectsInactive.Include : FindObjectsInactive.Exclude;
+
+            foreach (var renderer in Object.FindObjectsByType<Renderer>(findMode, FindObjectsSortMode.None))
+            {
+                if (renderer is not (MeshRenderer or SkinnedMeshRenderer))
+                    continue;
+
+                foreach (var material in renderer.sharedMaterials)
+                {
+                    if (material != null)
+                    {
+                        materials.Add(material);
+                    }
+                }
+            }
+
+            return materials;
+        }
+    }
+}