00001 #ifndef COIN_SORAYPICKACTION_H
00002 #define COIN_SORAYPICKACTION_H
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00027 #include <Inventor/actions/SoPickAction.h>
00028
00029 class SbBox3f;
00030 class SbLine;
00031 class SbMatrix;
00032 class SbVec2f;
00033 class SbVec2s;
00034 class SbVec3f;
00035 class SbViewVolume;
00036 class SbViewportRegion;
00037 class SoPickedPoint;
00038 class SoPickedPointList;
00039
00040 class COIN_DLL_API SoRayPickAction : public SoPickAction {
00041 typedef SoPickAction inherited;
00042
00043 SO_ACTION_HEADER(SoRayPickAction);
00044
00045 public:
00046 SoRayPickAction(const SbViewportRegion & viewportregion);
00047 virtual ~SoRayPickAction();
00048 static void initClass(void);
00049
00050 void setPoint(const SbVec2s & viewportPoint);
00051 void setNormalizedPoint(const SbVec2f & normpoint);
00052 void setRadius(const float radiusinpixels);
00053 void setRay(const SbVec3f & start, const SbVec3f & direction,
00054 float neardistance = -1.0,
00055 float fardistance = -1.0);
00056 void setPickAll(const SbBool flag);
00057 SbBool isPickAll(void) const;
00058 const SoPickedPointList & getPickedPointList(void) const;
00059 SoPickedPoint * getPickedPoint(const int index = 0) const;
00060
00061
00062 void computeWorldSpaceRay(void);
00063 SbBool hasWorldSpaceRay(void) const;
00064 void setObjectSpace(void);
00065 void setObjectSpace(const SbMatrix & matrix);
00066 SbBool intersect(const SbVec3f & v0, const SbVec3f & v1, const SbVec3f & v2,
00067 SbVec3f & intersection, SbVec3f & barycentric,
00068 SbBool & front) const;
00069 SbBool intersect(const SbVec3f & v0, const SbVec3f & v1,
00070 SbVec3f & intersection) const;
00071 SbBool intersect(const SbVec3f & point) const;
00072 SbBool intersect(const SbBox3f & box, const SbBool usefullviewvolume = TRUE);
00073 SbBool intersect(const SbBox3f & box, SbVec3f & intersection,
00074 const SbBool usefullviewvolume = TRUE);
00075 const SbViewVolume & getViewVolume(void);
00076 const SbLine & getLine(void);
00077 SbBool isBetweenPlanes(const SbVec3f & intersection) const;
00078 SoPickedPoint * addIntersection(const SbVec3f & objectspacepoint);
00079
00080 protected:
00081 virtual void beginTraversal(SoNode * node);
00082
00083 private:
00084 class SoRayPickActionP * pimpl;
00085 };
00086
00087 #endif // !COIN_SORAYPICKACTION_H