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osg::PerspectiveCameraBase

osg::PerspectiveCameraBase Class Reference

PerspectiveCamera Base Class.

#include <OSGPerspectiveCameraBase.h>

Inheritance diagram for osg::PerspectiveCameraBase:

osg::Camera osg::CameraBase osg::AttachmentContainer osg::FieldContainer osg::PerspectiveCamera osg::OffCenterPerspectiveCameraBase osg::OffCenterPerspectiveCamera List of all members.

Setup Rendering

*virtual void setup (DrawActionBase *action, const Viewport &port)
virtual void setupProjection (DrawActionBase *action, const Viewport &port)
virtual void draw (DrawAction *action, const Viewport &port)

Access Parameters

*virtual void getProjection (Matrix &result, UInt32 width, UInt32 height)
virtual void getProjectionTranslation (Matrix &result, UInt32 width, UInt32 height)
virtual void getViewing (Matrix &result, UInt32 width, UInt32 height)
virtual void getFrustum (FrustumVolume &result, const Viewport &port)
virtual void getWorldToScreen (Matrix &result, const Viewport &port)

Public Types

typedef PerspectiveCameraPtr Ptr
enum  { FovFieldId = Inherited::NextFieldId, AspectFieldId = FovFieldId + 1, NextFieldId = AspectFieldId + 1 }

Public Member Functions

transformation
*virtual void changed (BitVector whichField, UInt32 origin)
dump
*virtual void dump (UInt32 uiIndent=0, const BitVector bvFlags=0) const
Field Get
*virtual SFNodePtr * getSFBeacon (void)
virtual SFReal32 * getSFNear (void)
virtual SFReal32 * getSFFar (void)
virtual NodePtr & getBeacon (void)
virtual const NodePtr & getBeacon (void) const
virtual Real32 & getNear (void)
virtual const Real32 & getNear (void) const
virtual Real32 & getFar (void)
virtual const Real32 & getFar (void) const
Field Set
*virtual void setBeacon (const NodePtr &value)
virtual void setNear (const Real32 &value)
virtual void setFar (const Real32 &value)
FieldContainer Get
*virtual FieldContainerType & getType (void)
virtual const FieldContainerType & getType (void) const
virtual UInt32 getContainerSize (void) const
Field Get
*SFReal32 * getSFFov (void)
 Get the PerspectiveCamera::_sfFov field.
SFReal32 * getSFAspect (void)
 Get the PerspectiveCamera::_sfAspect field.
Real32 & getFov (void)
 Get the value of the PerspectiveCamera::_sfFov field.
const Real32 & getFov (void) const
 Get the value of the PerspectiveCamera::_sfFov field.
Real32 & getAspect (void)
 Get the value of the PerspectiveCamera::_sfAspect field.
const Real32 & getAspect (void) const
 Get the value of the PerspectiveCamera::_sfAspect field.
Field Set
*void setFov (const Real32 &value)
 Set the value of the PerspectiveCamera::_sfFov field.
void setAspect (const Real32 &value)
 Set the value of the PerspectiveCamera::_sfAspect field.
Binary Access
*virtual UInt32 getBinSize (const BitVector &whichField)
virtual void copyToBin (BinaryDataHandler &pMem, const BitVector &whichField)
virtual void copyFromBin (BinaryDataHandler &pMem, const BitVector &whichField)
Copy
*virtual FieldContainerPtr shallowCopy (void) const
transformation
*virtual void changed (BitVector whichField, UInt32 origin)
dump
*virtual void dump (UInt32 uiIndent=0, const BitVector bvFlags=0) const
Field Get
*virtual SFNodePtr * getSFBeacon (void)
virtual SFReal32 * getSFNear (void)
virtual SFReal32 * getSFFar (void)
virtual NodePtr & getBeacon (void)
virtual const NodePtr & getBeacon (void) const
virtual Real32 & getNear (void)
virtual const Real32 & getNear (void) const
virtual Real32 & getFar (void)
virtual const Real32 & getFar (void) const
Field Set
*virtual void setBeacon (const NodePtr &value)
virtual void setNear (const Real32 &value)
virtual void setFar (const Real32 &value)

Static Public Member Functions

Class Get
*static FieldContainerType & getClassType (void)
 access the type of the class
static UInt32 getClassTypeId (void)
 access the numerical type of the class
Construction
*static PerspectiveCameraPtr create (void)
 create a new instance of the class
static PerspectiveCameraPtr createEmpty (void)
 create an empty new instance of the class, do not copy the prototype

Static Public Attributes

static const osg::BitVector FovFieldMask
static const osg::BitVector AspectFieldMask
static const osg::BitVector MTInfluenceMask
static const osg::BitVector BeaconFieldMask
static const osg::BitVector NearFieldMask
static const osg::BitVector FarFieldMask
static const BitVector AttachmentsFieldMask
static const BitVector NextFieldMask

Protected Member Functions

Constructors
* PerspectiveCameraBase (void)
 PerspectiveCameraBase (const PerspectiveCameraBase &source)
Destructors
*virtual ~PerspectiveCameraBase (void)
Sync
*void executeSyncImpl (PerspectiveCameraBase *pOther, const BitVector &whichField)
virtual void executeSync (FieldContainer &other, const BitVector &whichField)

Protected Attributes

Fields
*SFReal32 _sfFov
SFReal32 _sfAspect

Private Types

typedef Camera Inherited

Private Member Functions

void operator= (const PerspectiveCameraBase &source)

Static Private Attributes

static FieldDescription * _desc []
 PerspectiveCamera description.
static FieldContainerType _type

Friends

class FieldContainer

Detailed Description

Definition at line 82 of file OSGPerspectiveCameraBase.h.

Member Typedef Documentation

typedef Camera osg::PerspectiveCameraBase::Inherited [private]
 

Reimplemented from osg::Camera.

Reimplemented in osg::OffCenterPerspectiveCamera, osg::OffCenterPerspectiveCameraBase, and osg::PerspectiveCamera.

Definition at line 86 of file OSGPerspectiveCameraBase.h.

typedef PerspectiveCameraPtr osg::PerspectiveCameraBase::Ptr
 

Reimplemented from osg::CameraBase.

Reimplemented in osg::OffCenterPerspectiveCameraBase.

Definition at line 91 of file OSGPerspectiveCameraBase.h.

Member Enumeration Documentation

anonymous enum
 

Enumerator:
FovFieldId 
AspectFieldId 
NextFieldId 

Reimplemented from osg::CameraBase.

Definition at line 93 of file OSGPerspectiveCameraBase.h.

00094     {
00095         FovFieldId    = Inherited::NextFieldId,
00096         AspectFieldId = FovFieldId    + 1,
00097         NextFieldId   = AspectFieldId + 1
00098     };

Constructor & Destructor Documentation

PerspectiveCameraBase::PerspectiveCameraBase (  void   )  [protected]
 

Definition at line 175 of file OSGPerspectiveCameraBase.cpp.

00175                                                  :
00176     _sfFov                    (), 
00177     _sfAspect                 (Real32(1)), 
00178     Inherited() 
00179 {
00180 }

PerspectiveCameraBase::PerspectiveCameraBase (  const PerspectiveCameraBase &  source  )  [protected]
 

Definition at line 186 of file OSGPerspectiveCameraBase.cpp.

00186                                                                                 :
00187     _sfFov                    (source._sfFov                    ), 
00188     _sfAspect                 (source._sfAspect                 ), 
00189     Inherited                 (source)
00190 {
00191 }

PerspectiveCameraBase::~PerspectiveCameraBase (  void   )  [protected, virtual]
 

Definition at line 195 of file OSGPerspectiveCameraBase.cpp.

00196 {
00197 }

Member Function Documentation

osg::FieldContainerType & osg::PerspectiveCameraBase::getClassType (  void   )  [inline, static]
 

Reimplemented from osg::CameraBase.

Reimplemented in osg::OffCenterPerspectiveCameraBase.

Definition at line 58 of file OSGPerspectiveCameraBase.inl.

References _type.

Referenced by create().

00059 {
00060     return _type; 
00061 }

osg::UInt32 osg::PerspectiveCameraBase::getClassTypeId (  void   )  [inline, static]
 

Reimplemented from osg::CameraBase.

Reimplemented in osg::OffCenterPerspectiveCameraBase.

Definition at line 65 of file OSGPerspectiveCameraBase.inl.

References _type, and osg::TypeBase::getId().

00066 {
00067     return _type.getId(); 
00068 }

FieldContainerType & PerspectiveCameraBase::getType (  void   )  [virtual]
 

Reimplemented from osg::CameraBase.

Reimplemented in osg::OffCenterPerspectiveCameraBase.

Definition at line 117 of file OSGPerspectiveCameraBase.cpp.

References _type.

00118 {
00119     return _type; 
00120 }

const FieldContainerType & PerspectiveCameraBase::getType (  void   )  const [virtual]
 

Reimplemented from osg::CameraBase.

Reimplemented in osg::OffCenterPerspectiveCameraBase.

Definition at line 122 of file OSGPerspectiveCameraBase.cpp.

References _type.

00123 {
00124     return _type;
00125 }

UInt32 PerspectiveCameraBase::getContainerSize (  void   )  const [virtual]
 

Reimplemented from osg::CameraBase.

Reimplemented in osg::OffCenterPerspectiveCameraBase.

Definition at line 137 of file OSGPerspectiveCameraBase.cpp.

00138 { 
00139     return sizeof(PerspectiveCamera); 
00140 }

SFReal32 * osg::PerspectiveCameraBase::getSFFov (  void   )  [inline]
 

Definition at line 101 of file OSGPerspectiveCameraBase.inl.

References _sfFov.

00102 {
00103     return &_sfFov;
00104 }

SFReal32 * osg::PerspectiveCameraBase::getSFAspect (  void   )  [inline]
 

Definition at line 108 of file OSGPerspectiveCameraBase.inl.

References _sfAspect.

00109 {
00110     return &_sfAspect;
00111 }

Real32 & osg::PerspectiveCameraBase::getFov (  void   )  [inline]
 

Definition at line 116 of file OSGPerspectiveCameraBase.inl.

References _sfFov, and osg::SField< FieldTypeT, fieldNameSpace >::getValue().

Referenced by osg::PerspectiveCamera::getProjection(), and osg::OffCenterPerspectiveCamera::getProjection().

00117 {
00118     return _sfFov.getValue();
00119 }

const Real32 & osg::PerspectiveCameraBase::getFov (  void   )  const [inline]
 

Definition at line 123 of file OSGPerspectiveCameraBase.inl.

References _sfFov, and osg::SField< FieldTypeT, fieldNameSpace >::getValue().

00124 {
00125     return _sfFov.getValue();
00126 }

Real32 & osg::PerspectiveCameraBase::getAspect (  void   )  [inline]
 

Definition at line 137 of file OSGPerspectiveCameraBase.inl.

References _sfAspect, and osg::SField< FieldTypeT, fieldNameSpace >::getValue().

Referenced by osg::PerspectiveCamera::getProjection(), and osg::OffCenterPerspectiveCamera::getProjection().

00138 {
00139     return _sfAspect.getValue();
00140 }

const Real32 & osg::PerspectiveCameraBase::getAspect (  void   )  const [inline]
 

Definition at line 144 of file OSGPerspectiveCameraBase.inl.

References _sfAspect, and osg::SField< FieldTypeT, fieldNameSpace >::getValue().

00145 {
00146     return _sfAspect.getValue();
00147 }

void osg::PerspectiveCameraBase::setFov (  const Real32 &  value  )  [inline]
 

Definition at line 130 of file OSGPerspectiveCameraBase.inl.

References _sfFov, and osg::SField< FieldTypeT, fieldNameSpace >::setValue().

00131 {
00132     _sfFov.setValue(value);
00133 }

void osg::PerspectiveCameraBase::setAspect (  const Real32 &  value  )  [inline]
 

Definition at line 151 of file OSGPerspectiveCameraBase.inl.

References _sfAspect, and osg::SField< FieldTypeT, fieldNameSpace >::setValue().

00152 {
00153     _sfAspect.setValue(value);
00154 }

UInt32 PerspectiveCameraBase::getBinSize (  const BitVector &  whichField  )  [virtual]
 

Reimplemented from osg::CameraBase.

Reimplemented in osg::OffCenterPerspectiveCameraBase.

Definition at line 201 of file OSGPerspectiveCameraBase.cpp.

References _sfAspect, _sfFov, AspectFieldMask, FovFieldMask, osg::SField< FieldTypeT, fieldNameSpace >::getBinSize(), osg::CameraBase::getBinSize(), and osg::FieldBits::NoField.

Referenced by osg::OffCenterPerspectiveCameraBase::getBinSize().

00202 {
00203     UInt32 returnValue = Inherited::getBinSize(whichField);
00204 
00205     if(FieldBits::NoField != (FovFieldMask & whichField))
00206     {
00207         returnValue += _sfFov.getBinSize();
00208     }
00209 
00210     if(FieldBits::NoField != (AspectFieldMask & whichField))
00211     {
00212         returnValue += _sfAspect.getBinSize();
00213     }
00214 
00215 
00216     return returnValue;
00217 }

void PerspectiveCameraBase::copyToBin (  BinaryDataHandler &  pMem,
const BitVector &  whichField
)  [virtual]
 

Reimplemented from osg::CameraBase.

Reimplemented in osg::OffCenterPerspectiveCameraBase.

Definition at line 219 of file OSGPerspectiveCameraBase.cpp.

References _sfAspect, _sfFov, AspectFieldMask, osg::SField< FieldTypeT, fieldNameSpace >::copyToBin(), osg::CameraBase::copyToBin(), FovFieldMask, and osg::FieldBits::NoField.

Referenced by osg::OffCenterPerspectiveCameraBase::copyToBin().

00221 {
00222     Inherited::copyToBin(pMem, whichField);
00223 
00224     if(FieldBits::NoField != (FovFieldMask & whichField))
00225     {
00226         _sfFov.copyToBin(pMem);
00227     }
00228 
00229     if(FieldBits::NoField != (AspectFieldMask & whichField))
00230     {
00231         _sfAspect.copyToBin(pMem);
00232     }
00233 
00234 
00235 }

void PerspectiveCameraBase::copyFromBin (  BinaryDataHandler &  pMem,
const BitVector &  whichField
)  [virtual]
 

Reimplemented from osg::CameraBase.

Reimplemented in osg::OffCenterPerspectiveCameraBase.

Definition at line 237 of file OSGPerspectiveCameraBase.cpp.

References _sfAspect, _sfFov, AspectFieldMask, osg::SField< FieldTypeT, fieldNameSpace >::copyFromBin(), osg::CameraBase::copyFromBin(), FovFieldMask, and osg::FieldBits::NoField.

Referenced by osg::OffCenterPerspectiveCameraBase::copyFromBin().

00239 {
00240     Inherited::copyFromBin(pMem, whichField);
00241 
00242     if(FieldBits::NoField != (FovFieldMask & whichField))
00243     {
00244         _sfFov.copyFromBin(pMem);
00245     }
00246 
00247     if(FieldBits::NoField != (AspectFieldMask & whichField))
00248     {
00249         _sfAspect.copyFromBin(pMem);
00250     }
00251 
00252 
00253 }

PerspectiveCameraPtr osg::PerspectiveCameraBase::create (  void   )  [inline, static]
 

Reimplemented in osg::OffCenterPerspectiveCameraBase.

Definition at line 72 of file OSGPerspectiveCameraBase.inl.

References osg::AttachmentContainerPtr::dcast(), getClassType(), osg::FieldContainerType::getPrototype(), osg::NullFC, and shallowCopy().

Referenced by osg::SimpleSceneManager::initialize().

00073 {
00074     PerspectiveCameraPtr fc; 
00075 
00076     if(getClassType().getPrototype() != OSG::NullFC) 
00077     {
00078         fc = PerspectiveCameraPtr::dcast(
00079             getClassType().getPrototype()-> shallowCopy()); 
00080     }
00081     
00082     return fc; 
00083 }

PerspectiveCameraPtr osg::PerspectiveCameraBase::createEmpty (  void   )  [inline, static]
 

Reimplemented in osg::OffCenterPerspectiveCameraBase.

Definition at line 87 of file OSGPerspectiveCameraBase.inl.

References osg::FieldContainer::newPtr().

00088 { 
00089     PerspectiveCameraPtr returnValue; 
00090     
00091     newPtr(returnValue); 
00092 
00093     return returnValue; 
00094 }

FieldContainerPtr PerspectiveCameraBase::shallowCopy (  void   )  const [virtual]
 

Implements osg::FieldContainer.

Reimplemented in osg::OffCenterPerspectiveCameraBase.

Definition at line 128 of file OSGPerspectiveCameraBase.cpp.

References osg::FieldContainer::newPtr().

Referenced by create().

00129 { 
00130     PerspectiveCameraPtr returnValue; 
00131 
00132     newPtr(returnValue, dynamic_cast<const PerspectiveCamera *>(this)); 
00133 
00134     return returnValue; 
00135 }

void PerspectiveCameraBase::executeSyncImpl (  PerspectiveCameraBase *  pOther,
const BitVector &  whichField
)  [protected]
 

Definition at line 256 of file OSGPerspectiveCameraBase.cpp.

References _sfAspect, _sfFov, AspectFieldMask, osg::CameraBase::executeSyncImpl(), FovFieldMask, osg::FieldBits::NoField, and osg::SField< FieldTypeT, fieldNameSpace >::syncWith().

Referenced by executeSync(), and osg::OffCenterPerspectiveCameraBase::executeSyncImpl().

00258 {
00259 
00260     Inherited::executeSyncImpl(pOther, whichField);
00261 
00262     if(FieldBits::NoField != (FovFieldMask & whichField))
00263         _sfFov.syncWith(pOther->_sfFov);
00264 
00265     if(FieldBits::NoField != (AspectFieldMask & whichField))
00266         _sfAspect.syncWith(pOther->_sfAspect);
00267 
00268 
00269 }

void PerspectiveCameraBase::executeSync (  FieldContainer &  other,
const BitVector &  whichField
)  [protected, virtual]
 

Reimplemented from osg::CameraBase.

Reimplemented in osg::OffCenterPerspectiveCameraBase.

Definition at line 144 of file OSGPerspectiveCameraBase.cpp.

References executeSyncImpl().

00146 {
00147     this->executeSyncImpl((PerspectiveCameraBase *) &other, whichField);
00148 }

void osg::PerspectiveCameraBase::operator= (  const PerspectiveCameraBase &  source  )  [private]
 

* static const char* osg::Camera::getClassname (  void   )  [inline, static, inherited]
 

Reimplemented in osg::MatrixCamera, osg::OffCenterPerspectiveCamera, osg::PerspectiveCamera, and osg::TileCameraDecorator.

Definition at line 73 of file OSGCamera.h.

00073 { return "Camera"; };

void Camera::changed (  BitVector  whichField,
UInt32  origin
)  [virtual, inherited]
 

Reimplemented from osg::AttachmentContainer.

Reimplemented in osg::CameraDecorator, osg::MatrixCamera, osg::MatrixCameraDecorator, osg::OffCenterPerspectiveCamera, osg::PerspectiveCamera, osg::ProjectionCameraDecorator, osg::ShearedStereoCameraDecorator, osg::StereoCameraDecorator, and osg::TileCameraDecorator.

Definition at line 98 of file OSGCamera.cpp.

References osg::AttachmentContainer::changed().

Referenced by osg::PerspectiveCamera::changed(), osg::MatrixCamera::changed(), and osg::CameraDecorator::changed().

00099 {
00100     Inherited::changed(whichField, origin);
00101 }

void Camera::setup (  DrawActionBase *  action,
const Viewport &  port
)  [virtual, inherited]
 

Setup OpenGL for rendering, call all the necessary commands to start rendering with this camera.

Definition at line 109 of file OSGCamera.cpp.

References osg::Viewport::getPixelHeight(), osg::Viewport::getPixelWidth(), osg::Camera::getProjection(), osg::Camera::getProjectionTranslation(), osg::TransformationMatrix< ValueTypeT >::getValues(), osg::Camera::getViewing(), and osg::TransformationMatrix< ValueTypeT >::mult().

00111 {
00112     Matrix m, t;
00113 
00114     // set the projection
00115 
00116     getProjection           ( m, port.getPixelWidth(), port.getPixelHeight() );
00117     getProjectionTranslation( t, port.getPixelWidth(), port.getPixelHeight() );
00118 
00119     m.mult(t);
00120 
00121     //SDEBUG << "Projection matrix: " << m << std::endl;
00122 
00123     glMatrixMode( GL_PROJECTION );
00124     glLoadMatrixf( m.getValues() );
00125 
00126     // set the viewing
00127 
00128     getViewing( m, port.getPixelWidth(), port.getPixelHeight() );
00129 
00130     //SDEBUG << "Viewing matrix: " << m << std::endl;
00131     
00132     glMatrixMode( GL_MODELVIEW );
00133     glLoadMatrixf( m.getValues() );
00134 }

void Camera::setupProjection (  DrawActionBase *  action,
const Viewport &  port
)  [virtual, inherited]
 

Setup OpenGL projection for rendering.

Definition at line 138 of file OSGCamera.cpp.

References osg::Viewport::getPixelHeight(), osg::Viewport::getPixelWidth(), osg::Camera::getProjection(), osg::Camera::getProjectionTranslation(), osg::TransformationMatrix< ValueTypeT >::getValues(), and osg::TransformationMatrix< ValueTypeT >::mult().

Referenced by osg::RenderAction::start().

00140 {
00141     Matrix m, t;
00142 
00143     // set the projection
00144 
00145     getProjection           ( m, port.getPixelWidth(), port.getPixelHeight() );
00146     getProjectionTranslation( t, port.getPixelWidth(), port.getPixelHeight() );
00147 
00148     m.mult(t);
00149 
00150     //SDEBUG << "Projection matrix: " << m << std::endl;
00151 
00152     glMatrixMode( GL_PROJECTION );
00153     glLoadMatrixf( m.getValues() );
00154 }

void Camera::draw (  DrawAction *  action,
const Viewport &  port
)  [virtual, inherited]
 

Draw the camera's geometry (if any). Usually there is none.

Reimplemented in osg::CameraDecorator, osg::MatrixCamera, osg::OffCenterPerspectiveCamera, and osg::PerspectiveCamera.

Definition at line 158 of file OSGCamera.cpp.

00160 {
00161 }

void Camera::getProjection (  Matrix &  result,
UInt32  width,
UInt32  height
)  [virtual, inherited]
 

Get/calculate the projection matrix for this camera.

Reimplemented in osg::CameraDecorator, osg::MatrixCamera, osg::MatrixCameraDecorator, osg::OffCenterPerspectiveCamera, osg::PerspectiveCamera, osg::ProjectionCameraDecorator, osg::ShearedStereoCameraDecorator, and osg::TileCameraDecorator.

Definition at line 165 of file OSGCamera.cpp.

References SFATAL.

Referenced by osg::Camera::calcViewRay(), osg::SkyBackground::clear(), osg::DVRIsoShader::getCoveredScreenRect(), osg::Camera::getFrustum(), osg::Camera::getWorldToScreen(), osg::Camera::setup(), and osg::Camera::setupProjection().

00168 {
00169     SFATAL << "Camera::getProjection: NIY" << std::endl;
00170     abort();
00171 }

void Camera::getProjectionTranslation (  Matrix &  result,
UInt32  width,
UInt32  height
)  [virtual, inherited]
 

Get/calculate the projection translation matrix for this camera. The default is identity.

Reimplemented in osg::CameraDecorator, osg::MatrixCameraDecorator, and osg::ProjectionCameraDecorator.

Definition at line 176 of file OSGCamera.cpp.

References osg::TransformationMatrix< ValueTypeT >::setIdentity().

Referenced by osg::Camera::calcViewRay(), osg::SkyBackground::clear(), osg::DVRIsoShader::getCoveredScreenRect(), osg::Camera::getFrustum(), osg::Camera::getWorldToScreen(), osg::Camera::setup(), and osg::Camera::setupProjection().

00179 {
00180     result.setIdentity();
00181 }

void Camera::getViewing (  Matrix &  result,
UInt32  width,
UInt32  height
)  [virtual, inherited]
 

Get/calculate the viewing matrix for this camera. This is the inverse of the beacon's toWorld transformation.

Reimplemented in osg::CameraDecorator, osg::MatrixCamera, osg::MatrixCameraDecorator, and osg::ProjectionCameraDecorator.

Definition at line 186 of file OSGCamera.cpp.

References osg::CameraBase::getBeacon(), osg::TransformationMatrix< ValueTypeT >::invert(), osg::NullFC, and SWARNING.

Referenced by osg::TextureTransformChunk::activate(), osg::TexGenChunk::activate(), osg::Camera::calcViewRay(), osg::TextureTransformChunk::changeFrom(), osg::TexGenChunk::changeFrom(), osg::SkyBackground::clear(), osg::Camera::getFrustum(), osg::Camera::getWorldToScreen(), osg::Camera::setup(), osg::RenderAction::start(), osg::DrawActionBase::start(), osg::SHLChunk::updateCameraOrientation(), osg::SHLChunk::updateCameraPosition(), osg::SHLChunk::updateInvViewMatrix(), and osg::SHLChunk::updateViewMatrix().

00189 {
00190     if (getBeacon() == NullFC)
00191     {
00192         SWARNING << "Camera::setup: no beacon!" << std::endl;
00193         return;
00194     }   
00195 
00196     getBeacon()->getToWorld(result);  
00197     result.invert();
00198 }

void Camera::getFrustum (  FrustumVolume &  result,
const Viewport &  p
)  [virtual, inherited]
 

Calculate the frustum of this camera's visible area.

Definition at line 202 of file OSGCamera.cpp.

References osg::Viewport::getPixelHeight(), osg::Viewport::getPixelWidth(), osg::Camera::getProjection(), osg::Camera::getProjectionTranslation(), osg::Camera::getViewing(), osg::TransformationMatrix< ValueTypeT >::mult(), and osg::FrustumVolume::setPlanes().

Referenced by osg::DrawActionBase::start().

00203 {
00204     Matrix mv,prt,pr;
00205     
00206     getProjection           (pr , p.getPixelWidth(), p.getPixelHeight());
00207     getProjectionTranslation(prt, p.getPixelWidth(), p.getPixelHeight());
00208     ge