Transform Class Reference

#include <Transform.h>

Inheritance diagram for Transform:

List of all members.

Public Member Functions
	Transform ()
	Transform (const Matrix4 &src)
virtual	~Transform ()
virtual Transform *	clone (void) const
void	rotateX (float a)
void	rotateY (float a)
void	rotateZ (float a)
void	rotate (float a, const Vector3 &axis)
void	translate (float x, float y, float z)
void	scale (float s)
void	scale (float sx, float sy, float sz)
void	scale (const Vector3 &s)
void	transform (const Matrix4 &mat)
void	setIdentity (void)
Matrix4 &	get (void)
const Matrix4 &	get (void) const
const Matrix3 *	getRotation (void)
const Vector3 *	getTranslation (void)
const Vector3 *	getScale (void)
Protected Member Functions
virtual void	_duplicate_attributes (const Transform &)
Protected Attributes
Matrix4	_mat
	homogenous transformation matrix
Matrix3	_rotMat
	abbrev. for rotation component of _mat
Vector3	_trVec
	abbrev. for translation component of _mat
Vector3	_scVec
	abbrev. for scale component of _mat
bool	_haveAbbrev

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Detailed Description

This scene graph attribute transforms its owner. More preciselly, it contains transformation matrix and interface for its management.

NOTE: This attribute should not be shared by more objects directly but rather used inside a Group object that transforms all its children.

Definition at line 21 of file Transform.h.

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Constructor & Destructor Documentation

Transform (   )  [inline]

Contructor Definition at line 35 of file Transform.h.

Transform (  const Matrix4 &  src  )  [inline]

Contructor - copy from existing matrix Definition at line 40 of file Transform.h.

virtual ~Transform (   )  [inline, virtual]

Destructor Definition at line 45 of file Transform.h.

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Member Function Documentation

void _duplicate_attributes (  const Transform &   )  [protected, virtual]

Definition at line 5 of file Transform.cc. References Transform::_haveAbbrev, Transform::_mat, Transform::_rotMat, Transform::_scVec, and Transform::_trVec. Referenced by Transform::clone().

Transform * clone (  void   )  const [virtual]

Makes a duplicate (clone) Returns: duplicate Definition at line 16 of file Transform.cc. References Transform::_duplicate_attributes().

const Matrix4& get (  void   )  const [inline]

Returns: constant reference to actual transformation matrix Definition at line 135 of file Transform.h.

Matrix4& get (  void   )  [inline]

Returns: reference to actual transformation matrix Definition at line 130 of file Transform.h. Referenced by ShadowExplorer::_explore(), RayIntExplorer::_explore(), ObjsAheadExplorer::_explore(), and Explorer::_explore().

const Matrix3* getRotation (  void   )  [inline]

Returns: constant pointer to actual rotation matrix Definition at line 140 of file Transform.h. Referenced by ShadowExplorer::_explore(), RayIntExplorer::_explore(), and ObjsAheadExplorer::_explore().

const Vector3* getScale (  void   )  [inline]

Returns: constant pointer to to actual scale vector Definition at line 162 of file Transform.h. Referenced by ShadowExplorer::_explore(), RayIntExplorer::_explore(), and ObjsAheadExplorer::_explore().

const Vector3* getTranslation (  void   )  [inline]

Returns: constant pointer to to actual translation vector Definition at line 151 of file Transform.h. Referenced by ShadowExplorer::_explore(), RayIntExplorer::_explore(), and ObjsAheadExplorer::_explore().

void rotate (  float  a, const Vector3 &  axis )

Adds rotation to existing transformation Parameters: a  angle of rotation in radians axis  rotation axis Definition at line 47 of file Transform.cc. References Transform::_haveAbbrev, and Transform::_mat.

void rotateX (  float  a  )

Adds rotation around x axis to existing transformation Parameters: a  angle of rotation in radians Definition at line 23 of file Transform.cc. References Transform::_haveAbbrev, and Transform::_mat.

void rotateY (  float  a  )

Adds rotation around y axis to existing transformation Parameters: a  angle of rotation in radians Definition at line 31 of file Transform.cc. References Transform::_haveAbbrev, and Transform::_mat.

void rotateZ (  float  a  )

Adds rotation around z axis to existing transformation Parameters: a  angle of rotation in radians Definition at line 39 of file Transform.cc. References Transform::_haveAbbrev, and Transform::_mat.

void scale (  const Vector3 &  s  )

Adds non-uniform scale transformation to existing transformation Parameters: s  scale vector Definition at line 82 of file Transform.cc. References Transform::_haveAbbrev, and Transform::_mat.

void scale (  float  sx, float  sy, float  sz )

Adds non-uniform scale transformation to existing transformation Parameters: sx  scale factor in x axis sy  scale factor in y axis sz  scale factor in z axis Definition at line 71 of file Transform.cc. References Transform::_haveAbbrev, and Transform::_mat.

void scale (  float  s  )

Adds scale transformation to existing transformation Parameters: s  scale factor Definition at line 63 of file Transform.cc. References Transform::_haveAbbrev, and Transform::_mat.

void setIdentity (  void   )

Clears transformation matrix

void transform (  const Matrix4 &  mat  )

Adds transformation to existing transformation Parameters: mat  new transformation Definition at line 93 of file Transform.cc. References Transform::_haveAbbrev, and Transform::_mat.

void translate (  float  x, float  y, float  z )

Adds translation to existing transformation Parameters: x  translation in x axis y  translation in y axis z  translation in z axis Definition at line 55 of file Transform.cc. References Transform::_haveAbbrev, and Transform::_mat.

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Member Data Documentation

bool _haveAbbrev [protected]

Definition at line 27 of file Transform.h. Referenced by Transform::_duplicate_attributes(), Transform::rotate(), Transform::rotateX(), Transform::rotateY(), Transform::rotateZ(), Transform::scale(), Transform::transform(), and Transform::translate().

Matrix4 _mat [protected]

homogenous transformation matrix Definition at line 23 of file Transform.h. Referenced by Transform::_duplicate_attributes(), Transform::rotate(), Transform::rotateX(), Transform::rotateY(), Transform::rotateZ(), Transform::scale(), Transform::transform(), and Transform::translate().

Matrix3 _rotMat [protected]

abbrev. for rotation component of _mat Definition at line 24 of file Transform.h. Referenced by Transform::_duplicate_attributes().

Vector3 _scVec [protected]

abbrev. for scale component of _mat Definition at line 26 of file Transform.h. Referenced by Transform::_duplicate_attributes().

Vector3 _trVec [protected]

abbrev. for translation component of _mat Definition at line 25 of file Transform.h. Referenced by Transform::_duplicate_attributes().

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

• esg/include/esg/Transform.h
• esg/src/Transform.cc

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