private void write_data(string filename, List <MuscleMotionEditor.TransformNode> transform_node_list, ulong mask)
{
var root = (target as MuscleMotionEditor).transform;
root.position = Vector3.zero;
var posture = new Posture();
var serialize = posture.beginSet();
foreach (var transform_node in transform_node_list)
{
posture.set(serialize,
transform_node.transform_,
transform_node.parts_,
transform_node.parent_parts_,
mask);
}
posture.endSet(serialize);
string json = JsonUtility.ToJson(posture);
var path = Application.streamingAssetsPath + "/" + filename + ".dat";
System.IO.File.WriteAllText(path, json);
Debug.LogFormat("write {0} done.", path);
}