public static void SaveGameObjectAsFBX(GameObject go, string fileName)
{
if (!isInitialized)
{
Initialize();
}
FbxExporter.ExportOptions options = FbxExporter.ExportOptions.defaultValue;
/// Make sure it is in meter.
options.scale_factor = 100f;
FbxExporter exporter = new FbxExporter(options);
exporter.CreateScene(fileName);
exporter.AddNode(go);
var ret = exporter.Write(FBX_PATH + fileName + ".fbx", FbxExporter.Format.FbxBinary);
exporter.Release();
}