IvfBillboard.h

//
// Copyright 1999-2006 by Structural Mechanics, Lund University.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//
// Please report all bugs and problems to "ivf@byggmek.lth.se".
//
//
// Written by Jonas Lindemann
//

#ifndef _CIvfBillboard_h_
#define _CIvfBillboard_h_

#include <ivf/IvfComposite.h>
#include <ivf/IvfCamera.h>

IvfSmartPointer(CIvfBillboard);

#define IVF_BILLBOARD_Y  0
#define IVF_BILLBOARD_X  1
#define IVF_BILLBOARD_XY 2

#define IVF_ALIGN_CAMERA 0
#define IVF_ALIGN_VECTOR 1

class IVF_API CIvfBillboard : public CIvfComposite {
private:
        CIvfCamera* m_camera;
        double m_angle1;
        double m_angle2;
        int m_billboardType;
        void updateRotation();
        double m_forward[3];
        int m_alignObject;
public:
        CIvfBillboard();
        
        virtual ~CIvfBillboard();

        IvfClassInfo("CIvfBillboard",CIvfComposite);

        void setCamera(CIvfCamera* camera);

        void setBillboardType(int type);

        int getBillboardType();

        void setAlignObject(int objectType);

        void setVector(double *v);

        void setVector(double vx, double vy, double vz);

protected:
        virtual void createGeometry();
};

#endif 

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