abstract internal List <VornoiEvent> Resolve(BreechLine breachLine);
internal override List <VornoiEvent> Resolve(BreechLine breachLine) { return(breachLine.AddParabola(focus: _pos)); }
internal override List <VornoiEvent> Resolve(BreechLine breachLine) { return(breachLine.RemoveParabola(_parabola)); }