From ec0d4bf1e37724635f950d245bd03a85fe8358a3 Mon Sep 17 00:00:00 2001
From: Jedd Morgan <45512892+JR-Morgan@users.noreply.github.com>
Date: Mon, 27 Jan 2025 13:40:30 +0000
Subject: [PATCH] Vertex Normals

---
 src/Speckle.Objects/Geometry/Mesh.cs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/Speckle.Objects/Geometry/Mesh.cs b/src/Speckle.Objects/Geometry/Mesh.cs
index 27f2e60a..6ae953b8 100644
--- a/src/Speckle.Objects/Geometry/Mesh.cs
+++ b/src/Speckle.Objects/Geometry/Mesh.cs
@@ -44,6 +44,13 @@ public class Mesh : Base, IHasBoundingBox, IHasVolume, IHasArea, ITransformable<
   [DetachProperty, Chunkable(31250)]
   public List<double> textureCoordinates { get; set; } = new();
 
+  /// <summary>
+  /// <summary>Flat list of vertex normal data (flat <c>x,y,z,x,y,z...</c> list)</summary>
+  /// <remarks>Expected that there are either 1 texture coordinate per vertex, or an empty <see cref="List{T}"/></remarks>
+  /// </summary>
+  [DetachProperty, Chunkable(62500)]
+  public List<double> vertexNormals { get; set; } = new();
+
   /// <summary>
   /// The unit's this <see cref="Mesh"/> is in.
   /// This should be one of <see cref="Units"/>