diff --git a/src/DotRecast.Core/Numerics/RcVec3f.cs b/src/DotRecast.Core/Numerics/RcVec3f.cs
index ca24885..95f29d9 100644
--- a/src/DotRecast.Core/Numerics/RcVec3f.cs
+++ b/src/DotRecast.Core/Numerics/RcVec3f.cs
@@ -49,42 +49,6 @@ namespace DotRecast.Core.Numerics
             Z = f;
         }
 
-        public float this[int index]
-        {
-            get => GetElement(index);
-            set => SetElement(index, value);
-        }
-
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public float GetElement(int index)
-        {
-            switch (index)
-            {
-                case 0: return X;
-                case 1: return Y;
-                case 2: return Z;
-                default: throw new IndexOutOfRangeException($"{index}");
-            }
-        }
-
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public void SetElement(int index, float value)
-        {
-            switch (index)
-            {
-                case 0:
-                    X = value;
-                    break;
-                case 1:
-                    Y = value;
-                    break;
-                case 2:
-                    Z = value;
-                    break;
-
-                default: throw new IndexOutOfRangeException($"{index}-{value}");
-            }
-        }
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public readonly float Length()
diff --git a/src/DotRecast.Core/Numerics/RcVecUtils.cs b/src/DotRecast.Core/Numerics/RcVecUtils.cs
index f63a92f..bbe9efd 100644
--- a/src/DotRecast.Core/Numerics/RcVecUtils.cs
+++ b/src/DotRecast.Core/Numerics/RcVecUtils.cs
@@ -6,7 +6,7 @@ namespace DotRecast.Core.Numerics
     public static class RcVecUtils
     {
         public const float EPSILON = 1e-6f;
-        
+
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static RcVec3f Create(float[] values)
         {
@@ -42,7 +42,6 @@ namespace DotRecast.Core.Numerics
             }
         }
 
-
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static RcVec3f Scale(this RcVec3f v, float scale)
         {
diff --git a/src/DotRecast.Recast.Demo/Draw/RecastDebugDraw.cs b/src/DotRecast.Recast.Demo/Draw/RecastDebugDraw.cs
index 446d8b7..1f99bb0 100644
--- a/src/DotRecast.Recast.Demo/Draw/RecastDebugDraw.cs
+++ b/src/DotRecast.Recast.Demo/Draw/RecastDebugDraw.cs
@@ -37,8 +37,7 @@ public class RecastDebugDraw : DebugDraw
     {
     }
 
-    public void DebugDrawTriMeshSlope(float[] verts, int[] tris, float[] normals, float walkableSlopeAngle,
-        float texScale)
+    public void DebugDrawTriMeshSlope(float[] verts, int[] tris, float[] normals, float walkableSlopeAngle, float texScale)
     {
         float walkableThr = MathF.Cos(walkableSlopeAngle / 180.0f * MathF.PI);
 
@@ -70,12 +69,12 @@ public class RecastDebugDraw : DebugDraw
             RcVec3f vc = new RcVec3f(verts[tris[i + 2] * 3], verts[tris[i + 2] * 3 + 1], verts[tris[i + 2] * 3 + 2]);
 
             int ax = 0, ay = 0;
-            if (MathF.Abs(norm.Y) > MathF.Abs(norm[ax]))
+            if (MathF.Abs(norm.Y) > MathF.Abs(norm.Get(ax)))
             {
                 ax = 1;
             }
 
-            if (MathF.Abs(norm.Z) > MathF.Abs(norm[ax]))
+            if (MathF.Abs(norm.Z) > MathF.Abs(norm.Get(ax)))
             {
                 ax = 2;
             }
@@ -83,12 +82,12 @@ public class RecastDebugDraw : DebugDraw
             ax = (1 << ax) & 3; // +1 mod 3
             ay = (1 << ax) & 3; // +1 mod 3
 
-            uva.X = va[ax] * texScale;
-            uva.Y = va[ay] * texScale;
-            uvb.X = vb[ax] * texScale;
-            uvb.Y = vb[ay] * texScale;
-            uvc.X = vc[ax] * texScale;
-            uvc.Y = vc[ay] * texScale;
+            uva.X = va.Get(ax) * texScale;
+            uva.Y = va.Get(ay) * texScale;
+            uvb.X = vb.Get(ax) * texScale;
+            uvb.Y = vb.Get(ay) * texScale;
+            uvc.X = vc.Get(ax) * texScale;
+            uvc.Y = vc.Get(ay) * texScale;
 
             Vertex(va, color, uva);
             Vertex(vb, color, uvb);