public override void OnInspectorGUI()
{
DrawDefaultInspector();
EditorGUI.BeginDisabledGroup(!target.path);
Rect rect = EditorGUILayout.GetControlRect(false, 18f);
rect.xMin += EditorGUIUtility.labelWidth;
if (GUI.Button(rect, "Build"))
{
target.Bulid();
EditorKit.CreateAsset(target.GetComponent <MeshFilter>().sharedMesh, target.directory, target.fileName);
}
EditorGUI.EndDisabledGroup();
}