public GltfMeshHolder Convert()
{
GltfMeshHolder meshHolder = new GltfMeshHolder(converter, doc);
foreach (var primitive in mesh.Primitives)
{
Rhino.Geometry.Mesh rhinoMesh = GetMesh(primitive);
if (rhinoMesh == null)
{
continue;
}
rhinoMesh.Weld(0.01);
rhinoMesh.Compact();
if (!rhinoMesh.IsValidWithLog(out string log))
{
Rhino.RhinoApp.WriteLine(log);
}
meshHolder.AddPrimitive(rhinoMesh, primitive.Material, mesh.Name);
}
return(meshHolder);
}
public static Mesh ToPolygonMesh(this Rhino.Geometry.Mesh mesh)
{
// clean up input mesh
mesh.Vertices.CombineIdentical(true, true);
mesh.Vertices.CullUnused();
mesh.UnifyNormals();
mesh.Weld(Math.PI);
var positions = mesh
.TopologyVertices
.Select(tv => new Vec3d(tv.X, tv.Y, tv.Z))
.ToList();
var faces =
mesh
.GetNgonAndFacesEnumerable()
.Select(
ngon => ngon.BoundaryVertexIndexList().Select(Convert.ToInt32));
return(Mesh.CreateFromPositions(positions, faces));
}
