public static void ShowWindow(DynamicAtlasGroup mGroup)
{
if (_PackingAtlasWindow == null)
{
_PackingAtlasWindow = GetWindow <PackingAtlasWindow>();
}
_PackingAtlasWindow.Show();
_PackingAtlasWindow.Init(mGroup);
_PackingAtlasWindow.titleContent.text = "PackingAtlas";
}
