SoRayPickAction.h

#ifndef COIN_SORAYPICKACTION_H
#define COIN_SORAYPICKACTION_H
 
/**************************************************************************\
 * Copyright (c) Kongsberg Oil & Gas Technologies AS
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
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 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * 
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * 
 * Neither the name of the copyright holder nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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\**************************************************************************/
 
#include <Inventor/actions/SoPickAction.h>
 
class SbBox3f;
class SbLine;
class SbMatrix;
class SbVec2f;
class SbVec2s;
class SbVec3f;
class SbViewVolume;
class SbViewportRegion;
class SoPickedPoint;
class SoPickedPointList;
class SoRayPickActionP;
 
class COIN_DLL_API SoRayPickAction : public SoPickAction {
  typedef SoPickAction inherited;
 
  SO_ACTION_HEADER(SoRayPickAction);
 
public:
  SoRayPickAction(const SbViewportRegion & viewportregion);
  virtual ~SoRayPickAction();
  static void initClass(void);
 
  void setPoint(const SbVec2s & viewportPoint);
  void setNormalizedPoint(const SbVec2f & normpoint);
  void setRadius(const float radiusinpixels);
  float getRadius(void) const;
  void setRay(const SbVec3f & start, const SbVec3f & direction,
              float neardistance = -1.0,
              float fardistance = -1.0);
  void setPickAll(const SbBool flag);
  SbBool isPickAll(void) const;
  const SoPickedPointList & getPickedPointList(void) const;
  SoPickedPoint * getPickedPoint(const int index = 0) const;
 
 
  void computeWorldSpaceRay(void);
  SbBool hasWorldSpaceRay(void) const;
  void setObjectSpace(void);
  void setObjectSpace(const SbMatrix & matrix);
  SbBool intersect(const SbVec3f & v0, const SbVec3f & v1, const SbVec3f & v2,
                   SbVec3f & intersection, SbVec3f & barycentric,
                   SbBool & front) const;
  SbBool intersect(const SbVec3f & v0, const SbVec3f & v1,
                   SbVec3f & intersection) const;
  SbBool intersect(const SbVec3f & point) const;
  SbBool intersect(const SbBox3f & box, const SbBool usefullviewvolume = TRUE);
  SbBool intersect(const SbBox3f & box, SbVec3f & intersection,
                   const SbBool usefullviewvolume = TRUE);
  const SbViewVolume & getViewVolume(void);
  const SbLine & getLine(void);
  SbBool isBetweenPlanes(const SbVec3f & intersection) const;
  SoPickedPoint * addIntersection(const SbVec3f & objectspacepoint, SbBool frontpick = TRUE);
 
  void reset(void);
 
protected:
  virtual void beginTraversal(SoNode * node);
 
private:
  SbPimplPtr<SoRayPickActionP> pimpl;
 
  // NOT IMPLEMENTED:
  SoRayPickAction(const SoRayPickAction & rhs);
  SoRayPickAction & operator = (const SoRayPickAction & rhs);
}; // SoRayPickAction
 
#endif // !COIN_SORAYPICKACTION_H