Unity only draws first submesh

I have a procedurally created skinned mesh

Code (csharp):

1.  
2.  //create Game object and meshes etc
3. Mesh mesh = new Mesh();
4. mesh.name = new string(shape.name);
5. mesh.vertices = verts.ToArray();
6. mesh.subMeshCount = submesh.Count;
7. for (int i = 0; i < submesh.Count; ++i)
8. {
9.     mesh.SetTriangles(submesh[i], i);
10. }
11.  
12. mesh.normals = skNorms.ToArray();
13. renderer.sharedMaterial = new Material(Shader.Find("Diffuse"));
14. skRenderer.sharedMesh = mesh;
15. mesh.boneWeights = weights.ToArray();
16. mesh.bindposes = bindPoses;
17. skRenderer.bones = bones.ToArray();
18.  

There are about 90 sub-meshes but only the first one is drawn

 

I also tried this using the regular mesh filter + renderer combo. No luck

 

I guess this is an editor mode problem.
Unity does not instantiate sub meshes in editor mode
So I had to "double buffer" to force initialization of the mesh then copy it over.

Code (csharp):

1.  
2.  ////////////TRIS
3.                     List<int> _tris = new List<int>();
4.                     for (int i = 0; i < mesh.triangles.Length; i++)
5.                     {
6.                         int t = mesh.triangles[i];
7.                         _tris.Add(t);
8.                     }
9.                     mesh.triangles = _tris.ToArray();
10.  

 

Submeshes require a material array. So renderer.sharedMaterials, rather than renderer.sharedMaterial.

--Eric

 

But Meshes draw without materials
Mine didn't even show the pink thing. It showed nothing at all except the first sub-mesh

Actually that worked.