Update HzCulling

Runtime/Shader/Includes/VolumeData.cs

@@ -9,13 +9,21 @@ namespace Misaki.AoVolume
     internal struct VolumeData
     {
         [HideInInspector]
+        [NonSerialized]
         public Matrix4x4 worldMatrix;
         [HideInInspector]
+        [NonSerialized]
         public Matrix4x4 inverseWorldMatrix;
+
         public Vector3 size;
 
         public float intensity;
         public float falloff;
         public float normalFalloff;
     }
+
+    internal unsafe static class VolumeDataPtr
+    {
+        public static VolumeData* Zero => (VolumeData*)0;
+    }
 }