public void storeImpulses()
{
for( int i = 0; i < _count; ++i )
{
ContactVelocityConstraint vc = _velocityConstraints[i];
Manifold manifold = _contacts[vc.contactIndex].manifold;
for( int j = 0; j < vc.pointCount; ++j )
{
ManifoldPoint point = manifold.points[j];
point.normalImpulse = vc.points[j].normalImpulse;
point.tangentImpulse = vc.points[j].tangentImpulse;
manifold.points[j] = point;
}
_contacts[vc.contactIndex].manifold = manifold;
}
}