mgcmultiplecurve2.h

《3D游戏引擎设计》的源码

// Magic Software, Inc.
// http://www.magic-software.com
// Copyright (c) 2000, All Rights Reserved
//
// Source code from Magic Software is supplied under the terms of a license
// agreement and may not be copied or disclosed except in accordance with the
// terms of that agreement.  The various license agreements may be found at
// the Magic Software web site.  This file is subject to the license
//
// FREE SOURCE CODE
// http://www.magic-software.com/License/free.pdf

#ifndef MGCMULTIPLECURVE2_H
#define MGCMULTIPLECURVE2_H

#include "MgcMultipleCurve.h"
#include "MgcVector2.h"


class MgcMultipleCurve2 : public MgcMultipleCurve<MgcVector2>
{
public:
    // abstract base class
    MgcMultipleCurve2 (int iSegments, MgcReal* afTime);

    // differential geometric quantities
    MgcVector2 GetNormal (MgcReal fTime) const;
    void GetFrame (MgcReal fTime, MgcVector2& kPosition,
        MgcVector2& kTangent, MgcVector2& kNormal) const;
    MgcReal GetCurvature (MgcReal fTime) const;
};

#endif