SagCriterion.h

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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
 
#include "Mesh/Criteria/Criterion.h"
 
namespace UE::CADKernel
{
 
class FSagCriterion : public FCriterion
{
    friend class FEntity;
 
protected:
    double MaxSag;
 
    FSagCriterion(double InSag = 0.2)
        : MaxSag(InSag)
    {
    }
 
public:
 
    void Serialize(FCADKernelArchive& Ar)
    {
        FCriterion::Serialize(Ar);
        Ar << MaxSag;
    }
 
    virtual double Value() const override
    {
        return MaxSag;
    }
 
    static double DefaultValue()
    {
        return 0.2;
    }
 
    virtual ECriterion GetCriterionType() const override
    {
        return ECriterion::Sag;
    }
 
 
protected:
 
    virtual double ComputeDeltaU(double ChordLength, double DeltaU, double Sag) const override
    {
        return sqrt(MaxSag / Sag) * DeltaU;
    }
 
    virtual bool IsAppliedBetweenBreaks() const override
    {
        return true;
    }
};
 
} // namespace UE::CADKernel