hello,
I try to just use Boundungbox intersect between two boxes without using anything else from j3d in order to have a "poor's man collision detection".

     public BoundingBox makeBoundingBox3D(Point3d p, float x, float y, float z) {            
           return new BoundingBox(      new Point3d((p.x+x/2),(p.y+y/2),(p.z+z/2)),
                                               new Point3d((p.x-x/2),(p.y-y/2),(p.z-z/2)) );
     }
     
     public boolean notFoobar( Point3d p) {
           BoundingBox foo = makeBoundingBox3D(p, 1f, 1f, 1f);
           
           for (int i = 0; i < constrains.size(); i++) {
                 if ( constrains.get(i).intersect(foo) ) {
                       println("skata");
                       return false;
                 }
           }
           return true;
     }

====

But I can get any false to return.

Do we need to initialize some j3d world or something? (I dont know anything about j3d)

thnx
zeta

maybe something in 3d and in java? I have used the internal java functions but I think need some kind of '3d world init' in order to function.

zeta