public void Undo()
{
var current = _sim.uidDistributer.current;
_s = _sim.MakeSpringByUID(_aUID, _bUID, _stiffness);
_s.OverrideUID(_uid);
_sim.uidDistributer.SetCounter(current);
_marker.MakeSpringMarker(_s);
}
/*
* Methods
*/
public override SimElement MakeSimElement(AlignedEditableForm aef, List <SimElement> simElements)
{
var a = simElements[aef.uid2idxDic[_aUID]] as Particle;
var b = simElements[aef.uid2idxDic[_bUID]] as Particle;
var sc = new SpringConstraint(a, b, _stiffness);
sc.OverrideUID(uid);
return(sc);
}
public bool Do()
{
if (_uid == -1)
{
_s = _sim.MakeSpringByUID(_aUID, _bUID, _stiffness);
_uid = _s.uid;
}
else
{
var current = _sim.uidDistributer.current;
_s = _sim.MakeSpringByUID(_aUID, _bUID, _stiffness);
_s.OverrideUID(_uid);
_sim.uidDistributer.SetCounter(current);
}
_marker.MakeSpringMarker(_s);
return(true);
}