On Thu, Aug 2, 2012 at 2:23 PM, tasnim <hanene-jeder at hotmail.fr> wrote: > I hqve to use q TriangleFilter in the OnLeftButtonDown() , have you an idea > what shall i make as Input for it!!! You can set a member variable of the InteractorStyle subclass in which you are implementing OnLeftButtonDown and use that as the input. David