SbProjector.h
#ifndef COIN_SBPROJECTOR_H
#define COIN_SBPROJECTOR_H
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#include <Inventor/SbVec3f.h>
#include <Inventor/SbLine.h>
#include <Inventor/SbMatrix.h>
#include <Inventor/SbViewVolume.h>
class SbVec2f;
class COIN_DLL_API SbProjector {
public:
virtual SbVec3f project(const SbVec2f & point) = 0;
virtual void setViewVolume(const SbViewVolume & vol);
const SbViewVolume & getViewVolume(void) const;
virtual void setWorkingSpace(const SbMatrix & space);
const SbMatrix & getWorkingSpace(void) const;
virtual SbProjector * copy(void) const = 0;
virtual SbBool tryProject(const SbVec2f & point, const float epsilon, SbVec3f & result);
protected:
SbProjector(void);
virtual ~SbProjector() { }
SbLine getWorkingLine(const SbVec2f & point) const;
SbViewVolume viewVol;
SbMatrix worldToWorking, workingToWorld;
float findVanishingDistance(void) const;
SbBool verifyProjection(const SbVec3f & projpt) const;
};
#endif // !COIN_SBPROJECTOR_H
SbLine
The SbLine class represents a line in 3D space.
Definition SbLine.h:41
SbMatrix
The SbMatrix class is a 4x4 dimensional representation of a matrix.
Definition SbMatrix.h:47
SbProjector::tryProject
virtual SbBool tryProject(const SbVec2f &point, const float epsilon, SbVec3f &result)
Definition SbProjector.cpp:268
SbProjector::setViewVolume
virtual void setViewVolume(const SbViewVolume &vol)
Definition SbProjector.cpp:123
SbProjector::getWorkingSpace
const SbMatrix & getWorkingSpace(void) const
Definition SbProjector.cpp:156
SbProjector::workingToWorld
SbMatrix workingToWorld
Definition SbProjector.h:61
SbProjector::findVanishingDistance
float findVanishingDistance(void) const
Definition SbProjector.cpp:188
SbProjector::~SbProjector
virtual ~SbProjector()
Definition SbProjector.h:56
SbProjector::project
virtual SbVec3f project(const SbVec2f &point)=0
SbProjector::worldToWorking
SbMatrix worldToWorking
Definition SbProjector.h:61
SbProjector::getViewVolume
const SbViewVolume & getViewVolume(void) const
Definition SbProjector.cpp:134
SbProjector::verifyProjection
SbBool verifyProjection(const SbVec3f &projpt) const
Definition SbProjector.cpp:236
SbProjector::setWorkingSpace
virtual void setWorkingSpace(const SbMatrix &space)
Definition SbProjector.cpp:144
SbProjector::SbProjector
SbProjector(void)
Definition SbProjector.cpp:111
SbProjector::copy
virtual SbProjector * copy(void) const =0
SbProjector::viewVol
SbViewVolume viewVol
Definition SbProjector.h:60
SbVec2f
The SbVec2f class is a 2 dimensional vector with floating point coordinates.
Definition SbVec2f.h:49
SbVec3f
The SbVec3f class is a 3 dimensional vector with floating point coordinates.
Definition SbVec3f.h:51
SbViewVolume
The SbViewVolume class is a viewing volume in 3D space.
Definition SbViewVolume.h:50