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SoRayPickAction.h

00001 /**************************************************************************\ 00002 * 00003 * This file is part of the Coin 3D visualization library. 00004 * Copyright (C) 1998-2003 by Systems in Motion. All rights reserved. 00005 * 00006 * This library is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU Lesser General Public License 00008 * version 2.1 as published by the Free Software Foundation. See the 00009 * file LICENSE.LGPL at the root directory of the distribution for 00010 * more details. 00011 * 00012 * If you want to use Coin for applications not compatible with the 00013 * LGPL, please contact SIM to acquire a Professional Edition license. 00014 * 00015 * Systems in Motion, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY 00016 * http://www.sim.no support@sim.no Voice: +47 22114160 Fax: +47 22207097 00017 * 00018 \**************************************************************************/ 00019 00020 #ifndef COIN_SORAYPICKACTION_H 00021 #define COIN_SORAYPICKACTION_H 00022 00023 #include <Inventor/actions/SoPickAction.h> 00024 00025 class SbBox3f; 00026 class SbLine; 00027 class SbMatrix; 00028 class SbVec2f; 00029 class SbVec2s; 00030 class SbVec3f; 00031 class SbViewVolume; 00032 class SbViewportRegion; 00033 class SoPickedPoint; 00034 class SoPickedPointList; 00035 00036 00037 class COIN_DLL_API SoRayPickAction : public SoPickAction { 00038 typedef SoPickAction inherited; 00039 00040 SO_ACTION_HEADER(SoRayPickAction); 00041 00042 public: 00043 SoRayPickAction(const SbViewportRegion & viewportregion); 00044 virtual ~SoRayPickAction(); 00045 static void initClass(void); 00046 00047 void setPoint(const SbVec2s & viewportPoint); 00048 void setNormalizedPoint(const SbVec2f & normpoint); 00049 void setRadius(const float radiusinpixels); 00050 void setRay(const SbVec3f & start, const SbVec3f & direction, 00051 float neardistance = -1.0, 00052 float fardistance = -1.0); 00053 void setPickAll(const SbBool flag); 00054 SbBool isPickAll(void) const; 00055 const SoPickedPointList & getPickedPointList(void) const; 00056 SoPickedPoint * getPickedPoint(const int index = 0) const; 00057 00058 00059 void computeWorldSpaceRay(void); 00060 SbBool hasWorldSpaceRay(void) const; 00061 void setObjectSpace(void); 00062 void setObjectSpace(const SbMatrix & matrix); 00063 SbBool intersect(const SbVec3f & v0, const SbVec3f & v1, const SbVec3f & v2, 00064 SbVec3f & intersection, SbVec3f & barycentric, 00065 SbBool & front) const; 00066 SbBool intersect(const SbVec3f & v0, const SbVec3f & v1, 00067 SbVec3f & intersection) const; 00068 SbBool intersect(const SbVec3f & point) const; 00069 SbBool intersect(const SbBox3f & box, const SbBool usefullviewvolume = TRUE); 00070 SbBool intersect(const SbBox3f & box, SbVec3f & intersection, 00071 const SbBool usefullviewvolume = TRUE); 00072 const SbViewVolume & getViewVolume(void); 00073 const SbLine & getLine(void); 00074 SbBool isBetweenPlanes(const SbVec3f & intersection) const; 00075 SoPickedPoint * addIntersection(const SbVec3f & objectspacepoint); 00076 00077 protected: 00078 virtual void beginTraversal(SoNode * node); 00079 00080 private: 00081 class SoRayPickActionP * pimpl; 00082 }; 00083 00084 #endif // !COIN_SORAYPICKACTION_H

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