NeL: NL3D::CSpinnerFunctor class Reference

NL3D::CSpinnerFunctor Class Reference


Public Member Functions
	CSpinnerFunctor ()
	============================================================================
const NLMISC::CVector	getAxis (void) const
	get the rotation axis
const uint32	getNumSamples (void) const
	============================================================================
const CPlaneBasis &	operator() (float date) const
void	serial (NLMISC::IStream &f) throw (NLMISC::EStream)
	============================================================================
void	setAxis (const NLMISC::CVector &axis)
	============================================================================
const void	setNumSamples (uint32 nbSamples)
	============================================================================
Protected Member Functions
void	updateSamples (void)
	============================================================================
Protected Attributes
NLMISC::CVector	_Axis
uint32	_NbSamples
CPSVector< CPlaneBasis >::V	_PBTab

Constructor & Destructor Documentation

NL3D::CSpinnerFunctor::CSpinnerFunctor

(

)

============================================================================

Definition at line 297 of file ps_plane_basis_maker.cpp.

00297                                  : _NbSamples(0), _Axis(NLMISC::CVector::K)
00298 {       
00299 }

Member Function Documentation

const NLMISC::CVector NL3D::CSpinnerFunctor::getAxis ( void ) const [inline]

get the rotation axis

Definition at line 195 of file ps_plane_basis_maker.h.

00195 { return _Axis;}

const uint32 NL3D::CSpinnerFunctor::getNumSamples

(

void

)

const

============================================================================

Definition at line 317 of file ps_plane_basis_maker.cpp.

References _NbSamples, and uint32.

00318 {
00319         return _NbSamples;
00320 }

const CPlaneBasis& NL3D::CSpinnerFunctor::operator() ( float date ) const [inline]

Definition at line 191 of file ps_plane_basis_maker.h.

References NLMISC::OptFastFloor().

00191 { return _PBTab[NLMISC::OptFastFloor(date * _NbSamples)]; }

void NL3D::CSpinnerFunctor::serial

(

NLMISC::IStream &

)

throw (NLMISC::EStream)

============================================================================

Definition at line 323 of file ps_plane_basis_maker.cpp.

00324 {
00325         f.serialVersion(1);
00326         f.serial(_Axis, _NbSamples);
00327         if (f.isReading()) updateSamples();
00328 }

void NL3D::CSpinnerFunctor::setAxis

(

const NLMISC::CVector &

axis

)

============================================================================

Definition at line 302 of file ps_plane_basis_maker.cpp.

References _Axis, and updateSamples().

00303 {
00304         _Axis = axis;
00305         updateSamples();
00306 }

const void NL3D::CSpinnerFunctor::setNumSamples

(

uint32

nbSamples

)

============================================================================

Definition at line 309 of file ps_plane_basis_maker.cpp.

References _NbSamples, nlassert, uint32, and updateSamples().

00310 {
00311         nlassert(nbSamples > 0);
00312         _NbSamples = nbSamples;
00313         updateSamples();
00314 }

void NL3D::CSpinnerFunctor::updateSamples ( void ) [protected]

============================================================================

Definition at line 331 of file ps_plane_basis_maker.cpp.

References _Axis, _NbSamples, _PBTab, NLMISC::CMatrix::getI(), NLMISC::CMatrix::getJ(), uint32, NLMISC::CVector::x, NLMISC::CVector::y, and NLMISC::CVector::z.

Referenced by setAxis(), and setNumSamples().

00332 {
00333         if (_NbSamples == 0) return;
00334         // compute step between each angle
00335         const float angInc = (float) (2.f * NLMISC::Pi / _NbSamples);
00336         _PBTab.resize(_NbSamples + 1);
00337         NLMISC::CMatrix mat;
00338         CPSUtil::buildSchmidtBasis(_Axis, mat);
00339         NLMISC::CVector I = mat.getI();
00340         NLMISC::CVector J = mat.getJ();
00341         // compute basis for rotation
00342         for (uint32 k = 0; k < _NbSamples; ++k)
00343         {               
00344                 float ca = cosf(k * angInc);
00345                 float sa = sinf(k * angInc);            
00346                 _PBTab[k].X.set(ca * I.x + sa * J.x,
00347                                                 ca * I.y + sa * J.y,
00348                                                 ca * I.z + sa * J.z);
00349                         
00350                 _PBTab[k].Y.set(- sa * I.x + ca * J.x,
00351                                             - sa * I.y + ca * J.y,
00352                                                 - sa * I.z + ca * J.z);
00353         }
00354 }

NL3D::CSpinnerFunctor Class Reference

Public Member Functions

Protected Member Functions

Protected Attributes

Constructor & Destructor Documentation

Member Function Documentation

Field Documentation