Possible bug in mshCreateTransformed in Base/Mesh.cs

[gmlewis]

Here's an issue that came up while working on the PicoGK MCP server:

diff --git a/Base/Mesh.cs b/Base/Mesh.cs
index 8446ad2..ebb7816 100644
--- a/Base/Mesh.cs
+++ b/Base/Mesh.cs
@@ -72,6 +72,14 @@ namespace PicoGK
         /// <param name="vecScale">Scale the mesh (first step)</param>
         /// <param name="vecOffset">Offset the mesh (second step)</param>
         /// <returns>A new mesh that has the transformation applied</returns>
+        //
+        // BUG: This overload scales each triangle vertex by only ONE component
+        // of vecScale (A *= vecScale.X, B *= vecScale.Y, C *= vecScale.Z) rather
+        // than component-wise scaling all vertices by the full vecScale vector.
+        // A non-uniform vecScale (e.g. (2,1,1)) therefore produces a garbled mesh
+        // where each triangle's three vertices are scaled differently.
+        // Use the Matrix4x4 overload (mshCreateTransformed(Matrix4x4)) instead,
+        // which applies the transform correctly to every vertex.
         public Mesh mshCreateTransformed(   Vector3 vecScale,
                                             Vector3 vecOffset)
         {