Here is a version that rembers what was clicked last and disallows fadeing in based on the same trigger element. Also, using the class "initalButton" sets the button inital assumed to have been clicked: fadeInContainerWithInitialAndStore.hype.zip (18,4 KB)
Another approach based on "morphing" is Scene Magic 2.0. It doesn't support vector shape morphing but might also be interessting: Hype Custom Transitions (and Template)