public static void Init(CharAnimationController animCtrl)
{
// Get existing open window or if none, make a new one:
CharAnimationWindow window = (CharAnimationWindow)EditorWindow.GetWindow(typeof(CharAnimationWindow), false, "Char. Animation");
if (animCtrl.CreateSpriteFrames())
{
window.m_gridSize = animCtrl.GetSpriteFrames()[0].rect.width / 4;
}
window.m_animCtrl = animCtrl;
window.Show();
}