for (int i = 0; i < _numVertices; i++)
_vertices[i].Coord = new Vector3(input.UnpackFloat(), input.UnpackFloat(), input.UnpackFloat());
for (int i = 0; i < _numVertices; i++)
_vertices[i].Normal = new Vector3(input.UnpackFloat(), input.UnpackFloat(), input.UnpackFloat());
for (int i = 0; i < _numVertices; i++)
_vertices[i].BiNormal = new Vector3(input.UnpackFloat(), input.UnpackFloat(), input.UnpackFloat());
for (int i = 0; i < _numVertices; i++)