106 lines
3.8 KiB
C++
106 lines
3.8 KiB
C++
/****************************************************************************
|
|
* VCGLib o o *
|
|
* Visual and Computer Graphics Library o o *
|
|
* _ O _ *
|
|
* Copyright(C) 2004 \/)\/ *
|
|
* Visual Computing Lab /\/| *
|
|
* ISTI - Italian National Research Council | *
|
|
* \ *
|
|
* All rights reserved. *
|
|
* *
|
|
* This program is free software; you can redistribute it and/or modify *
|
|
* it under the terms of the GNU General Public License as published by *
|
|
* the Free Software Foundation; either version 2 of the License, or *
|
|
* (at your option) any later version. *
|
|
* *
|
|
* This program is distributed in the hope that it will be useful, *
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
|
|
* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
|
|
* for more details. *
|
|
* *
|
|
****************************************************************************/
|
|
/****************************************************************************
|
|
History
|
|
|
|
$Log: not supported by cvs2svn $
|
|
Revision 1.1 2005/07/06 08:02:27 cignoni
|
|
Initial commit
|
|
|
|
|
|
****************************************************************************/
|
|
#ifndef __VCG_TRI_UPDATE_POSITION
|
|
#define __VCG_TRI_UPDATE_POSITION
|
|
|
|
#include "normal.h"
|
|
|
|
namespace vcg {
|
|
namespace tri {
|
|
|
|
/// \ingroup trimesh
|
|
|
|
/// \headerfile position.h vcg/complex/algorithms/update/position.h
|
|
|
|
/// \brief This class is used to update vertex position according to a transformation matrix.
|
|
template <class ComputeMeshType>
|
|
class UpdatePosition
|
|
{
|
|
|
|
public:
|
|
typedef ComputeMeshType MeshType;
|
|
typedef typename MeshType::ScalarType ScalarType;
|
|
typedef typename MeshType::VertexType VertexType;
|
|
typedef typename MeshType::VertexPointer VertexPointer;
|
|
typedef typename MeshType::VertexIterator VertexIterator;
|
|
typedef typename MeshType::FaceType FaceType;
|
|
typedef typename MeshType::FacePointer FacePointer;
|
|
typedef typename MeshType::FaceIterator FaceIterator;
|
|
|
|
/// \brief Multiply
|
|
static void Matrix(ComputeMeshType &m, const Matrix44<ScalarType> &M, bool update_also_normals = true)
|
|
{
|
|
VertexIterator vi;
|
|
for(vi=m.vert.begin();vi!=m.vert.end();++vi)
|
|
if(!(*vi).IsD()) (*vi).P()=M*(*vi).cP();
|
|
|
|
if(update_also_normals){
|
|
if(HasPerVertexNormal(m)){
|
|
UpdateNormal<ComputeMeshType>::PerVertexMatrix(m,M);
|
|
}
|
|
if(HasPerFaceNormal(m)){
|
|
UpdateNormal<ComputeMeshType>::PerFaceMatrix(m,M);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void Translate(ComputeMeshType &m, const Point3<ScalarType> &t)
|
|
{
|
|
VertexIterator vi;
|
|
for(vi=m.vert.begin();vi!=m.vert.end();++vi)
|
|
if(!(*vi).IsD()) (*vi).P()+=t;
|
|
}
|
|
|
|
static void Scale(ComputeMeshType &m, const ScalarType s)
|
|
{
|
|
Scale(m,Point3<ScalarType>(s,s,s));
|
|
}
|
|
|
|
static void Scale(ComputeMeshType &m, const Point3<ScalarType> &s)
|
|
{
|
|
VertexIterator vi;
|
|
for(vi=m.vert.begin();vi!=m.vert.end();++vi)
|
|
if(!(*vi).IsD()) {
|
|
(*vi).P()[0]*=s[0];
|
|
(*vi).P()[1]*=s[1];
|
|
(*vi).P()[2]*=s[2];
|
|
}
|
|
}
|
|
|
|
}; // end class
|
|
|
|
} // End namespace
|
|
} // End namespace
|
|
|
|
|
|
#endif
|