Sergey Sharybin
111 lines
2.4 KiB
C++
111 lines
2.4 KiB
C++
/** \file elbeem/intern/mvmcoords.h
|
|
* \ingroup elbeem
|
|
*/
|
|
/******************************************************************************
|
|
*
|
|
// El'Beem - the visual lattice boltzmann freesurface simulator
|
|
// All code distributed as part of El'Beem is covered by the version 2 of the
|
|
// GNU General Public License. See the file COPYING for details.
|
|
//
|
|
// Copyright 2008 Nils Thuerey , Richard Keiser, Mark Pauly, Ulrich Ruede
|
|
//
|
|
*
|
|
* Mean Value Mesh Coords class
|
|
*
|
|
*****************************************************************************/
|
|
|
|
#ifndef MVMCOORDS_H
|
|
#define MVMCOORDS_H
|
|
|
|
#include "utilities.h"
|
|
#include "ntl_ray.h"
|
|
#include <vector>
|
|
#define mvmFloat double
|
|
|
|
#ifdef WIN32
|
|
#ifndef FREE_WINDOWS
|
|
#include "float.h"
|
|
#define isnan(n) _isnan(n)
|
|
#define finite _finite
|
|
#endif
|
|
#endif
|
|
|
|
#ifdef sun
|
|
#include "ieeefp.h"
|
|
#endif
|
|
|
|
#ifdef WITH_CXX_GUARDEDALLOC
|
|
# include "MEM_guardedalloc.h"
|
|
#endif
|
|
|
|
// weight and triangle index
|
|
class mvmIndexWeight {
|
|
public:
|
|
|
|
mvmIndexWeight() : weight(0.0) {}
|
|
|
|
mvmIndexWeight(int const& i, mvmFloat const& w) :
|
|
weight(w), index(i) {}
|
|
|
|
// for sorting
|
|
bool operator> (mvmIndexWeight const& w) const { return this->weight > w.weight; }
|
|
bool operator< (mvmIndexWeight const& w) const { return this->weight < w.weight; }
|
|
|
|
mvmFloat weight;
|
|
int index;
|
|
|
|
private:
|
|
#ifdef WITH_CXX_GUARDEDALLOC
|
|
MEM_CXX_CLASS_ALLOC_FUNCS("ELBEEM:mvmIndexWeight")
|
|
#endif
|
|
};
|
|
|
|
// transfer point with weights
|
|
class mvmTransferPoint {
|
|
public:
|
|
//! position of transfer point
|
|
ntlVec3Gfx lastpos;
|
|
//! triangle weights
|
|
std::vector<mvmIndexWeight> weights;
|
|
|
|
private:
|
|
#ifdef WITH_CXX_GUARDEDALLOC
|
|
MEM_CXX_CLASS_ALLOC_FUNCS("ELBEEM:mvmTransferPoint")
|
|
#endif
|
|
};
|
|
|
|
|
|
//! compute mvmcs
|
|
class MeanValueMeshCoords {
|
|
|
|
public:
|
|
|
|
MeanValueMeshCoords() {}
|
|
~MeanValueMeshCoords() {
|
|
clear();
|
|
}
|
|
|
|
void clear();
|
|
|
|
void calculateMVMCs(std::vector<ntlVec3Gfx> &reference_vertices,
|
|
std::vector<ntlTriangle> &tris, std::vector<ntlVec3Gfx> &points, gfxReal numweights);
|
|
|
|
void transfer(std::vector<ntlVec3Gfx> &vertices, std::vector<ntlVec3Gfx>& displacements);
|
|
|
|
protected:
|
|
|
|
void computeWeights(std::vector<ntlVec3Gfx> &reference_vertices,
|
|
std::vector<ntlTriangle> &tris, mvmTransferPoint& tds, gfxReal numweights);
|
|
|
|
std::vector<mvmTransferPoint> mVertices;
|
|
int mNumVerts;
|
|
|
|
private:
|
|
#ifdef WITH_CXX_GUARDEDALLOC
|
|
MEM_CXX_CLASS_ALLOC_FUNCS("ELBEEM:MeanValueMeshCoords")
|
|
#endif
|
|
};
|
|
|
|
#endif
|
|
|