calculate normals before applying procedural shader

Assets/Scripts/MeshGenerator.cs

@@ -82,10 +82,9 @@ public class MeshGenerator : MonoBehaviour
         mesh.indexFormat = UnityEngine.Rendering.IndexFormat.UInt32;
         mesh.vertices = vertices;
         mesh.triangles = triangles;
+        mesh.RecalculateNormals();
 
         GetComponent<ProceduralShader>().SetColors(mesh, heightmap, subdivisions, vertices.Length);
-
-        mesh.RecalculateNormals();
     }
 
     private void OnDrawGizmos()