internal void synchronizeFixtures()
{
var xf1 = new Transform();
xf1.q.Set( _sweep.A0 );
xf1.p = _sweep.C0 - MathUtils.mul( xf1.q, _sweep.LocalCenter );
IBroadPhase broadPhase = _world.contactManager.broadPhase;
for( int i = 0; i < fixtureList.Count; i++ )
{
fixtureList[i].synchronize( broadPhase, ref xf1, ref _xf );
}
}