GRE::SCENE3D Class Reference

SCENE3D class describes view scene and all transformation beetween model and world and view and unit cube and screne. More...

#include <gre/3dscene.h>

List of all members.

Public Member Functions
bool	CalculateParameters (const DRECT2D &screenrect)
void	Clear ()
void	ClearModelToWorld ()
bool	ClipSegment (FPOINT3D &pts, FPOINT3D &pte)
float	GetAzimuth () const
float	GetBaseElevation () const
const FPOINT3D &	GetDirection () const
float	GetElevation () const
float	GetFieldOfViewAngle () const
const DRECT3D &	GetFrustum () const
const FPOINT3D &	GetLookAt () const
const TRANS3D &	GetModelToScreen () const
const TRANS3D &	GetModelToUnitCube () const
const TRANS3D &	GetModelToView () const
const TRANS3D &	GetModelToWorld () const
float	GetParallelProjectionDistance () const
float	GetRoll () const
const DRECT2D &	GetScreenRect () const
float	GetSunAzimuthAngle () const
float	GetSunElevationAngle () const
const TRANS3D &	GetUnitCubeToScreen () const
const FPOINT3D &	GetUp () const
FPOINT3D	GetViewer () const
const TRANS3D &	GetViewToScreen () const
const TRANS3D &	GetViewToUnitCube () const
const TRANS3D &	GetWorldToScreen () const
const TRANS3D &	GetWorldToUnitCube () const
const TRANS3D &	GetWorldToView () const
bool	IsCalculated () const
bool	IsPerspective () const
bool	IsRectangleOverlapped (const DRECT3D &rect) const
bool	IsSegmentOverlapped (const FPOINT3D &pts, const FPOINT3D &pte) const
bool	IsSphereOverlapped (const FPOINT3D &center, const float radiussquared=0.0f) const
bool	IsStereo () const
bool	IsTriangleOverlapped (const FPOINT3D &pt1, const FPOINT3D &pt2, const FPOINT3D &pt3) const
SCENE3D &	operator= (const SCENE3D &rhs)
	SCENE3D (const float FieldOfViewAngle=45)
void	SetAzimuth (const float azimuth, const bool recalculate=true)
void	SetBaseElevation (const float BaseElevation)
void	SetElevation (const float elevation)
void	SetExtents (DOUBLE_ARRAY< DRECT3D > &extents)
void	SetFieldOfViewAngle (const float FieldOfViewAngle)
void	SetFrustum (const DRECT2D &frustum)
void	SetLookAt (const FPOINT3D &lookAt)
void	SetModelToWorld (const TRANS3D &ModelToWorld)
void	SetMonitorSeparation (const double monitor)
void	SetNearFarPlanes (const double nearplane, const double farplane, const bool use=false)
void	SetOpticalSeparation (const double optical)
void	SetParallelProjectionDistance (const float distance)
void	SetPerspective (const bool isPerspective)
void	SetRoll (const float roll, const bool recalculate=true)
void	SetStereo (const bool isStereo)
void	SetStereoDistance (const double distance)
void	SetStereoMode (const STEREOMODE mode)
void	SetStereoScale (const double scale)
void	SetStereoView (const STEREOVIEW view)
void	SetSunAzimuthAngle (const float SunAzimuthAngle)
void	SetSunElevationAngle (const float SunElevationAngle)
void	SetViewer (const FPOINT3D &viewer)
void	UpdateAzimuth (const float update)
void	UpdateElevation (const float update)
void	UpdateRoll (const float update)
void	ViewerMoveAlongDirection (const float distance)
void	ViewerUpdateZ (const float distance)
	~SCENE3D ()
Private Types
enum	INDEX { INDEX_Left = 0, INDEX_Center = 1, INDEX_Right = 2, INDEX_Count = 3 }

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Detailed Description

SCENE3D class describes view scene and all transformation beetween model and world and view and unit cube and screne.

All angles are in degrees; All distances are in meters; All points are in orthogonal coordinate system

Definition at line 97 of file 3dscene.h.

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Member Enumeration Documentation

enum GRE::SCENE3D::INDEX [private]

Enumeration values: INDEX_Left  INDEX_Center  INDEX_Right  INDEX_Count  Definition at line 443 of file 3dscene.h.

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Constructor & Destructor Documentation

GRE::SCENE3D::SCENE3D (  const float  FieldOfViewAngle = 45  )

Parameters: FieldOfViewAngle  Destructor Constructor Destructor Constructor Destructor Constructor Destructor Constructor

GRE::SCENE3D::~SCENE3D (   )

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Member Function Documentation

bool GRE::SCENE3D::CalculateParameters (  const DRECT2D &  screenrect  )

Calculate scene parameters for given screen rectangle. Returns: true if calculation is completed

void GRE::SCENE3D::Clear (   )

Clear scene parameters.

void GRE::SCENE3D::ClearModelToWorld (   )

Clear Model to World transformation to identity transformation.

bool GRE::SCENE3D::ClipSegment (  FPOINT3D &  pts, FPOINT3D &  pte )

pts and pte contains endpoints of intersection in return. Returns: true if segment intersects frustum

float GRE::SCENE3D::GetAzimuth (   )  const

Get azimuth angle in degrees. Returns: azimuth angle

float GRE::SCENE3D::GetBaseElevation (   )  const

Retrieve base elevation.

const FPOINT3D& GRE::SCENE3D::GetDirection (   )  const

Get view direction. Returns: view direction

float GRE::SCENE3D::GetElevation (   )  const [inline]

Get elevation in meters. Returns: elevation in meters Definition at line 150 of file 3dscene.h.

float GRE::SCENE3D::GetFieldOfViewAngle (   )  const

Get field of view angle in degrees. Returns: field of view angle in degrees

const DRECT3D& GRE::SCENE3D::GetFrustum (   )  const

Get frustum as DRECT3D. Returns: frustum sa DRECT3D

const FPOINT3D& GRE::SCENE3D::GetLookAt (   )  const

Get look at point. Returns: look at point

const TRANS3D& GRE::SCENE3D::GetModelToScreen (   )  const [inline]

Get Model to Screen transformation. Returns: Model to Screen transformation Definition at line 408 of file 3dscene.h.

const TRANS3D& GRE::SCENE3D::GetModelToUnitCube (   )  const [inline]

Get Model to UnitCube transformation. Returns: Model to UnitCube transformation Definition at line 403 of file 3dscene.h.

const TRANS3D& GRE::SCENE3D::GetModelToView (   )  const [inline]

Get Model to View transformation. Returns: Model to View transformation Definition at line 398 of file 3dscene.h.

const TRANS3D& GRE::SCENE3D::GetModelToWorld (   )  const [inline]

Get Model to World transformation. Returns: Model to World transformation Definition at line 393 of file 3dscene.h.

float GRE::SCENE3D::GetParallelProjectionDistance (   )  const

Get parallel projection distance. Returns: parallel projection distance

float GRE::SCENE3D::GetRoll (   )  const

Get roll angle in degrees. Returns: roll angle

const DRECT2D& GRE::SCENE3D::GetScreenRect (   )  const

Get screen rectangle. Returns: screen rectangle

float GRE::SCENE3D::GetSunAzimuthAngle (   )  const

float GRE::SCENE3D::GetSunElevationAngle (   )  const

const TRANS3D& GRE::SCENE3D::GetUnitCubeToScreen (   )  const [inline]

Get UnitCube to Screen transformation. Returns: UnitCube to Screen transformation Definition at line 438 of file 3dscene.h.

const FPOINT3D& GRE::SCENE3D::GetUp (   )  const

Get up direction. Returns: up direction

FPOINT3D GRE::SCENE3D::GetViewer (   )  const

Get viewer point. Returns: viewer point

const TRANS3D& GRE::SCENE3D::GetViewToScreen (   )  const [inline]

Get View to Screen transformation. Returns: View to Screen transformation Definition at line 433 of file 3dscene.h.

const TRANS3D& GRE::SCENE3D::GetViewToUnitCube (   )  const [inline]

Get View to UnitCube transformation. Returns: View to UnitCube transformation Definition at line 428 of file 3dscene.h.

const TRANS3D& GRE::SCENE3D::GetWorldToScreen (   )  const [inline]

Get World to Screen transformation. Returns: World to Screen transformation Definition at line 423 of file 3dscene.h.

const TRANS3D& GRE::SCENE3D::GetWorldToUnitCube (   )  const [inline]

Get World to UnitCube transformation. Returns: World to UnitCube transformation Definition at line 418 of file 3dscene.h.

const TRANS3D& GRE::SCENE3D::GetWorldToView (   )  const [inline]

Get World to View transformation. Returns: World to View transformation Definition at line 413 of file 3dscene.h.

bool GRE::SCENE3D::IsCalculated (   )  const

Are scene parameters calculated. Returns: true if scene parameters are calculated

bool GRE::SCENE3D::IsPerspective (   )  const

Is projection perspective. Returns: true if projecton is perspective

bool GRE::SCENE3D::IsRectangleOverlapped (  const DRECT3D &  rect  )  const

Is given rectangle overlapped with scene frustum. Returns: true if rectangle is overlapped

bool GRE::SCENE3D::IsSegmentOverlapped (  const FPOINT3D &  pts, const FPOINT3D &  pte )  const

Is segment with given endpoints overlapped with scene frustum. Returns: true if segement is overlapped

bool GRE::SCENE3D::IsSphereOverlapped (  const FPOINT3D &  center, const float  radiussquared = 0.0f )  const

Is sphere with given center and given radius overlapped with scene frustum. Returns: true if sphere is overlapped

bool GRE::SCENE3D::IsStereo (   )  const

Is stereo set. Returns: true if stereo is set

bool GRE::SCENE3D::IsTriangleOverlapped (  const FPOINT3D &  pt1, const FPOINT3D &  pt2, const FPOINT3D &  pt3 )  const

Is triangle with given vertices overlapped with scene frustum. Returns: true if triangle is overlapped

SCENE3D& GRE::SCENE3D::operator= (  const SCENE3D &  rhs  )

Parameters: rhs  Destructor

void GRE::SCENE3D::SetAzimuth (  const float  azimuth, const bool  recalculate = true )

Set azimuth angle in degrees.

void GRE::SCENE3D::SetBaseElevation (  const float  BaseElevation  )

Set base elevation in meters.

void GRE::SCENE3D::SetElevation (  const float  elevation  )

Set elevation angle in degrees.

void GRE::SCENE3D::SetExtents (  DOUBLE_ARRAY< DRECT3D > &  extents  )

Set clipping extents for scene.

void GRE::SCENE3D::SetFieldOfViewAngle (  const float  FieldOfViewAngle  )

Set field of view angle in degrees.

void GRE::SCENE3D::SetFrustum (  const DRECT2D &  frustum  )

Set frustum as DRECT2D.

void GRE::SCENE3D::SetLookAt (  const FPOINT3D &  lookAt  )

Set look at point.

void GRE::SCENE3D::SetModelToWorld (  const TRANS3D &  ModelToWorld  )

Get Model to World transformation.

void GRE::SCENE3D::SetMonitorSeparation (  const double  monitor  )

void GRE::SCENE3D::SetNearFarPlanes (  const double  nearplane, const double  farplane, const bool  use = false )

Get near and far planes.

void GRE::SCENE3D::SetOpticalSeparation (  const double  optical  )

void GRE::SCENE3D::SetParallelProjectionDistance (  const float  distance  )

Set parallel projection distance.

void GRE::SCENE3D::SetPerspective (  const bool  isPerspective  )

Set perspective projection on or off.

void GRE::SCENE3D::SetRoll (  const float  roll, const bool  recalculate = true )

Set roll angle in degrees.

void GRE::SCENE3D::SetStereo (  const bool  isStereo  )

Set stereo on or off.

void GRE::SCENE3D::SetStereoDistance (  const double  distance  )

void GRE::SCENE3D::SetStereoMode (  const STEREOMODE  mode  )

void GRE::SCENE3D::SetStereoScale (  const double  scale  )

void GRE::SCENE3D::SetStereoView (  const STEREOVIEW  view  )

void GRE::SCENE3D::SetSunAzimuthAngle (  const float  SunAzimuthAngle  )

void GRE::SCENE3D::SetSunElevationAngle (  const float  SunElevationAngle  )

void GRE::SCENE3D::SetViewer (  const FPOINT3D &  viewer  )

Set viewer point.

void GRE::SCENE3D::UpdateAzimuth (  const float  update  )

Update azimuth angle in degrees.

void GRE::SCENE3D::UpdateElevation (  const float  update  )

Update elevation in meters.

void GRE::SCENE3D::UpdateRoll (  const float  update  )

Update roll angle in degrees.

void GRE::SCENE3D::ViewerMoveAlongDirection (  const float  distance  )

Move viewer point along view direction.

void GRE::SCENE3D::ViewerUpdateZ (  const float  distance  )

Update viewer point z coordinate.

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The documentation for this class was generated from the following file:

• gre/3dscene.h

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