> Vince Mazo wrote:
> 
> Hello!
> I try to know wether a "just dropped" Morph is overlapping with an
> already dropped one or not.
> 
> I've already glanced through #submorphsBehinnd:do: and
> #submorphsInFrontOf:do: ,but I don't fully understand what they
> exactly do.
> 
> Could someone explain this point to me?
> thanks in advance

owner submorphsDo:[:m | (m bounds intersects: self bounds) ifTrue:[m ==
self ifFalse:[m flash]]]

This will flash the overlapping morph.

Karl