BezierSurface.h

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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
 
#include "Core/CADKernelArchive.h"
#include "Geo/Surfaces/Surface.h"
 
namespace UE::CADKernel
{
 
class CADKERNEL_API FBezierSurface : public FSurface
{
    friend FEntity;
 
protected:
 
    int32 UDegre;
    int32 VDegre;
 
    int32 UPoleNum;
    int32 VPoleNum;
 
    TArray<FVector> Poles;
 
    FBezierSurface(const double InToleranceGeometric, int32 InUDegre, int32 InVDegre, const TArray<FVector>& InPoles)
        : FSurface(InToleranceGeometric)
        , UDegre(InUDegre)
        , VDegre(InVDegre)
        , UPoleNum(InUDegre + 1)
        , VPoleNum(InVDegre + 1)
        , Poles(InPoles)
    {
        ensureCADKernel((UDegre + 1) * (VDegre + 1) == Poles.Num());
        ComputeDefaultMinToleranceIso();
    }
 
    FBezierSurface() = default;
 
public:
 
    virtual void Serialize(FCADKernelArchive& Ar) override
    {
        FSurface::Serialize(Ar);
        Ar << UDegre;
        Ar << VDegre;
        Ar << UPoleNum;
        Ar << VPoleNum;
        Ar.Serialize(Poles);
    }
 
    ESurface GetSurfaceType() const
    {
        return ESurface::Bezier;
    }
 
    int32 GetUDegree() const
    {
        return UDegre;
    }
 
    int32 GetVDegree() const
    {
        return VDegre;
    }
 
    virtual const TArray<FVector>& GetPoles() const
    {
        return Poles;
    }
 
    virtual TSharedPtr<FEntityGeom> ApplyMatrix(const FMatrixH& InMatrix) const override;
 
    virtual void EvaluatePoint(const FVector2d& InSurfacicCoordinate, FSurfacicPoint& OutPoint3D, int32 InDerivativeOrder = 0) const override;
 
    virtual void Presample(const FSurfacicBoundary& InBoundaries, FCoordinateGrid& OutCoordinates) override;
 
#ifdef CADKERNEL_DEV
    virtual FInfoEntity& GetInfo(FInfoEntity&) const override;
#endif
};
 
} // namespace UE::CADKernel