diff --git a/src/DotRecast.Core/Vector3f.cs b/src/DotRecast.Core/Vector3f.cs
index 95f592e..cca73ff 100644
--- a/src/DotRecast.Core/Vector3f.cs
+++ b/src/DotRecast.Core/Vector3f.cs
@@ -22,9 +22,9 @@ namespace DotRecast.Core
 {
     public struct Vector3f
     {
-        public float x { get; set; }
-        public float y { get; set; }
-        public float z { get; set; }
+        public float x;
+        public float y;
+        public float z;
 
         public static Vector3f Zero { get; } = new Vector3f(0, 0, 0);
         public static Vector3f Up { get; } = new Vector3f(0, 1, 0);
diff --git a/src/DotRecast.Detour.Extras/Unity/Astar/GraphMeta.cs b/src/DotRecast.Detour.Extras/Unity/Astar/GraphMeta.cs
index 8fbdd19..38698b2 100644
--- a/src/DotRecast.Detour.Extras/Unity/Astar/GraphMeta.cs
+++ b/src/DotRecast.Detour.Extras/Unity/Astar/GraphMeta.cs
@@ -20,6 +20,14 @@ using DotRecast.Core;
 
 namespace DotRecast.Detour.Extras.Unity.Astar
 {
+    // for unity meta parsing
+    public struct UnityVector3f
+    {
+        public float x { get; set; }
+        public float y { get; set; }
+        public float z { get; set; }
+    }
+
     public class GraphMeta
     {
         public float characterRadius { get; set; }
@@ -38,8 +46,8 @@ namespace DotRecast.Detour.Extras.Unity.Astar
         public float tileSizeZ { get; set; }
 
         public bool useTiles { get; set; }
-        public Vector3f rotation { get; set; }
-        public Vector3f forcedBoundsCenter { get; set; }
-        public Vector3f forcedBoundsSize { get; set; }
+        public UnityVector3f rotation { get; set; }
+        public UnityVector3f forcedBoundsCenter { get; set; }
+        public UnityVector3f forcedBoundsSize { get; set; }
     }
 }
\ No newline at end of file
diff --git a/test/DotRecast.Detour.Extras.Test/Unity/Astar/UnityAStarPathfindingImporterTest.cs b/test/DotRecast.Detour.Extras.Test/Unity/Astar/UnityAStarPathfindingImporterTest.cs
index e02bb0a..a962046 100644
--- a/test/DotRecast.Detour.Extras.Test/Unity/Astar/UnityAStarPathfindingImporterTest.cs
+++ b/test/DotRecast.Detour.Extras.Test/Unity/Astar/UnityAStarPathfindingImporterTest.cs
@@ -80,7 +80,7 @@ public class UnityAStarPathfindingImporterTest
     private NavMesh loadNavMesh(string filename)
     {
         var filepath = Loader.ToRPath(filename);
-        using var fs = new FileStream(filepath, FileMode.Open);
+        using var fs = new FileStream(filepath, FileMode.Open, FileAccess.Read);
 
         // Import the graphs
         UnityAStarPathfindingImporter importer = new UnityAStarPathfindingImporter();