diff --git a/Source/Engine/Core/Math/Int4.cs b/Source/Engine/Core/Math/Int4.cs
index 0617f7b71..5328dcc73 100644
--- a/Source/Engine/Core/Math/Int4.cs
+++ b/Source/Engine/Core/Math/Int4.cs
@@ -12,9 +12,8 @@ namespace FlaxEngine
     /// Represents a four dimensional mathematical vector (signed integers).
     /// </summary>
     [Serializable]
-    [StructLayout(LayoutKind.Sequential, Pack = 4)]
     [TypeConverter(typeof(TypeConverters.Int4Converter))]
-    public struct Int4 : IEquatable<Int4>, IFormattable
+    partial struct Int4 : IEquatable<Int4>, IFormattable
     {
         private static readonly string _formatString = "X:{0} Y:{1} Z:{2} W:{3}";
 
@@ -63,26 +62,6 @@ namespace FlaxEngine
         /// </summary>
         public static readonly Int4 Maximum = new Int4(int.MaxValue);
 
-        /// <summary>
-        /// The X component of the vector.
-        /// </summary>
-        public int X;
-
-        /// <summary>
-        /// The Y component of the vector.
-        /// </summary>
-        public int Y;
-
-        /// <summary>
-        /// The Z component of the vector.
-        /// </summary>
-        public int Z;
-
-        /// <summary>
-        /// The W component of the vector.
-        /// </summary>
-        public int W;
-
         /// <summary>
         /// Initializes a new instance of the <see cref="Int4" /> struct.
         /// </summary>
diff --git a/Source/Engine/Core/Math/Int4.h b/Source/Engine/Core/Math/Int4.h
index c8e9eebd8..05b951e62 100644
--- a/Source/Engine/Core/Math/Int4.h
+++ b/Source/Engine/Core/Math/Int4.h
@@ -13,25 +13,34 @@ struct Vector4;
 /// <summary>
 /// Four-components vector (32 bit integer type).
 /// </summary>
-API_STRUCT(InBuild) struct FLAXENGINE_API Int4
+API_STRUCT() struct FLAXENGINE_API Int4
 {
+DECLARE_SCRIPTING_TYPE_MINIMAL(Int4);
 public:
 
     union
     {
         struct
         {
-            // X component
-            int32 X;
+            /// <summary>
+            /// The X component.
+            /// </summary>
+            API_FIELD() int32 X;
 
-            // Y component
-            int32 Y;
+            /// <summary>
+            /// The Y component.
+            /// </summary>
+            API_FIELD() int32 Y;
 
-            // Z component
-            int32 Z;
+            /// <summary>
+            /// The Z component.
+            /// </summary>
+            API_FIELD() int32 Z;
 
-            // W component
-            int32 W;
+            /// <summary>
+            /// The W component.
+            /// </summary>
+            API_FIELD() int32 W;
         };
 
         // Raw values