62 lines
2.2 KiB
C++
Executable File
62 lines
2.2 KiB
C++
Executable File
|
|
//
|
|
// Copyright (C) : Please refer to the COPYRIGHT file distributed
|
|
// with this source distribution.
|
|
//
|
|
// 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 for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with this program; if not, write to the Free Software
|
|
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
//
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include "FastGrid.h"
|
|
|
|
void FastGrid::clear() {
|
|
if(!_cells)
|
|
return;
|
|
|
|
for(unsigned i = 0; i < _cells_size; i++)
|
|
if (_cells[i])
|
|
delete _cells[i];
|
|
delete[] _cells;
|
|
_cells = NULL;
|
|
_cells_size = 0;
|
|
|
|
Grid::clear();
|
|
}
|
|
|
|
void FastGrid::configure(const Vec3r& orig, const Vec3r& size, unsigned nb) {
|
|
Grid::configure(orig, size, nb);
|
|
_cells_size = _cells_nb[0] * _cells_nb[1] * _cells_nb[2];
|
|
_cells = new Cell*[_cells_size];
|
|
memset(_cells, 0, _cells_size * sizeof(*_cells));
|
|
}
|
|
|
|
Cell* FastGrid::getCell(const Vec3u& p) {
|
|
//cout << _cells<< " "<< p << " " <<_cells_nb[0]<<"-"<< _cells_nb[1]<<"-"<< _cells_nb[2]<< " "<<_cells_size<< endl;
|
|
assert(_cells||("_cells is a null pointer"));
|
|
assert((_cells_nb[0] * (p[2] * _cells_nb[1] + p[1]) + p[0])<_cells_size);
|
|
assert(p[0]<_cells_nb[0]);
|
|
assert(p[1]<_cells_nb[1]);
|
|
assert(p[2]<_cells_nb[2]);
|
|
return _cells[_cells_nb[0] * (p[2] * _cells_nb[1] + p[1]) + p[0]];
|
|
}
|
|
|
|
void FastGrid::fillCell(const Vec3u& p, Cell& cell) {
|
|
assert(_cells||("_cells is a null pointer"));
|
|
assert((_cells_nb[0] * (p[2] * _cells_nb[1] + p[1]) + p[0])<_cells_size);
|
|
assert(p[0]<_cells_nb[0]);
|
|
assert(p[1]<_cells_nb[1]);
|
|
assert(p[2]<_cells_nb[2]);
|
|
_cells[_cells_nb[0] * (p[2] * _cells_nb[1] + p[1]) + p[0]] = &cell;
|
|
} |