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SbXfBox3d.h

00001 #ifndef COIN_SBXFBOX3D_H
00002 #define COIN_SBXFBOX3D_H
00003 
00004 /**************************************************************************\
00005  *
00006  *  This file is part of the Coin 3D visualization library.
00007  *  Copyright (C) 1998-2007 by Systems in Motion.  All rights reserved.
00008  *
00009  *  This library is free software; you can redistribute it and/or
00010  *  modify it under the terms of the GNU General Public License
00011  *  ("GPL") version 2 as published by the Free Software Foundation.
00012  *  See the file LICENSE.GPL at the root directory of this source
00013  *  distribution for additional information about the GNU GPL.
00014  *
00015  *  For using Coin with software that can not be combined with the GNU
00016  *  GPL, and for taking advantage of the additional benefits of our
00017  *  support services, please contact Systems in Motion about acquiring
00018  *  a Coin Professional Edition License.
00019  *
00020  *  See http://www.coin3d.org/ for more information.
00021  *
00022  *  Systems in Motion, Postboks 1283, Pirsenteret, 7462 Trondheim, NORWAY.
00023  *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
00024  *
00025 \**************************************************************************/
00026 
00027 #include <Inventor/SbBox3d.h>
00028 #include <Inventor/SbDPMatrix.h>
00029 
00030 class COIN_DLL_API SbXfBox3d : public SbBox3d {
00031   typedef SbBox3d inherited;
00032 
00033 public:
00034   SbXfBox3d(void);
00035   SbXfBox3d(const SbVec3d & boxmin, const SbVec3d & boxmax);
00036   SbXfBox3d(const SbBox3d & box);
00037 
00038   void setTransform(const SbDPMatrix & matrix);
00039 
00040   const SbDPMatrix & getTransform(void) const { return matrix; }
00041   const SbDPMatrix & getInverse(void) const;
00042   SbVec3d getCenter(void) const;
00043 
00044   void extendBy(const SbVec3d & pt);
00045   void extendBy(const SbBox3d & bb);
00046   void extendBy(const SbXfBox3d & bb);
00047   SbBool intersect(const SbVec3d & pt) const;
00048   SbBool intersect(const SbBox3d & bb) const;
00049   SbBool intersect(const SbXfBox3d & bb) const;
00050   SbBox3d project(void) const;
00051   void getSpan(const SbVec3d & direction, double & dMin, double & dMax) const;
00052 
00053   // Must override the transform() method from SbBox3f, as the box and
00054   // the transform matrix are supposed to be kept separate in
00055   // SbXfBox3f. --mortene
00056   void transform(const SbDPMatrix & matrix);
00057 
00058   // Overridden from SbBox3d
00059   double getVolume(void) const;
00060 
00061 private:
00062   // These are incorrect for SbXfBox3d. Privatize/hide them.
00063   using SbBox3d::getMin;
00064   using SbBox3d::getMax;
00065 
00066   void calcInverse(void) const;
00067   void makeInvInvalid(void);
00068 
00069   SbDPMatrix matrix;
00070   mutable SbDPMatrix invertedmatrix; // lazy cache
00071 
00072 }; // SbXfBox3d
00073 
00074 COIN_DLL_API int operator == (const SbXfBox3d & b1, const SbXfBox3d & b2);
00075 COIN_DLL_API int operator != (const SbXfBox3d & b1, const SbXfBox3d & b2);
00076 
00077 #endif // !COIN_SBXFBOX3D_H

Copyright © 1998-2007 by Systems in Motion AS. All rights reserved.

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