public void newSumAnchor(SC.List <Brace> braces, Anchor preAnchor)
{
Anchor anchor = newAnchor(ToLocal(braces[0].GlobalPosition));
anchor.GlobalPosition = preAnchor.GlobalPosition;
anchor.Rotation = preAnchor.Rotation;
anchor.SetAngularVelocity(preAnchor.GetAngularVelocity());
anchor.SetLinearVelocity(preAnchor.GetLinearVelocity());
anchors.Add(anchor);
foreach (Brace brace in braces)
{
anchor.addBraceToList(brace);
brace.anchor = anchor;
brace.GetParent().RemoveChild(brace);
anchor.AddChild(brace);
brace.updateConnection();
}
anchor.braces[0].remove();
anchor.setActive(true);
anchor.CenterGravity();
}