NURBSPrimitive.h

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// Copyright (C) 2005 Dave Griffiths
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

#include "Primitive.h"

#ifndef N_NURBSPRIM
#define N_NURBSPRIM

namespace Fluxus
{

class NURBSPrimitive : public Primitive
{
public:
    NURBSPrimitive();
    NURBSPrimitive(const NURBSPrimitive &other);
    virtual  ~NURBSPrimitive();

    virtual NURBSPrimitive* Clone() const;
    virtual void Render();
    virtual void RecalculateNormals(bool smooth);
    virtual dBoundingBox GetBoundingBox();
    virtual void ApplyTransform(bool ScaleRotOnly=false);
    virtual string GetTypeName() { return "NURBSPrimitive"; }
    virtual Evaluator *MakeEvaluator() { return NULL; }

    void Init(int orderu, int orderv, int ucvs, int vcvs) { m_UOrder=orderu; m_VOrder=orderv; m_UCVCount=ucvs; m_VCVCount=vcvs; }
    void AddCV(const dVector &CV) { m_CVVec->push_back(CV); }
    void AddN(const dVector &N) { m_NVec->push_back(N); }
    void AddTex(const dVector &ST) { m_STVec->push_back(ST); }
    void AddUKnot(float k) { m_UKnotVec.push_back(k); }
    void AddVKnot(float k) { m_VKnotVec.push_back(k); }

protected:

    virtual void PDataDirty();
    void SetupSurface();

    vector<dVector> *m_CVVec;
    vector<dVector> *m_STVec;
    vector<dVector> *m_NVec;
    vector<float> m_UKnotVec;
    vector<float> m_VKnotVec;

    int m_UOrder;
    int m_VOrder;
    int m_UCVCount;
    int m_VCVCount;
    int m_Stride;

    GLUnurbsObj *m_Surface;
};

};

#endif

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