public static string ConvertToOptimizedString(Matrix mat, char separator)
{
Quaternion rot;
Vector3 scale;
Vector3 trans;
mat.GetTRS(out scale, out rot, out trans);
return(String.Format("{0}{7}{1}{7}{2}{7}{3}{7}{4}{7}{5}{7}{6}",
trans.x, trans.y, trans.z, rot.x, rot.y, rot.z, rot.w, separator));
}