27 Jan
2009
27 Jan
'09
6:58 p.m.
On Jan 26, 2009, at 10:09 AM, Ben Webb wrote:
> Keren Lasker wrote: >> but do you mean to keep each gravity >> center particle at the center of mass of its CHILDREN particles. >> ? > > The gravity center ScoreState simply keeps a list of particles and > positions itself at the center of gravity of those particles. Whether > you think of the particles in that list as children or parents is a > matter of your viewpoint, I suppose. I think I had only replied to Keren before. There is an example which does more or less what she wanted to do (in simple examples).