public void FinalizeVelocityConstraints()
{
for (int i = 0; i < _constraintCount; ++i)
{
ContactConstraint c = _constraints[i];
Manifold m = c.Manifold;
for (int j = 0; j < c.PointCount; ++j)
{
m.Points[j].NormalImpulse = c.Points[j].NormalImpulse;
m.Points[j].TangentImpulse = c.Points[j].TangentImpulse;
}
}
}