pmpd.iSphere3D simulation of interaction between a collection of masse and a Sphere Create an interaction between a part of the space and a class of masses. This interactor act as a 3D link to a point.	from the library : PMPD Format : External Environment : max freeware Max 4.5 / 4.x http://www.mathieuchamagne.com/?p=13 http://drpichon.free.fr/pmpd/