mirror of
https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
synced 2024-12-15 14:08:42 +00:00
92 lines
2.1 KiB
C++
92 lines
2.1 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
|
|
// Copyright (C) 2010 Winch Gate Property Limited
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as
|
|
// published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
#include "std3d.h"
|
|
|
|
#include "nel/3d/vegetable_clip_block.h"
|
|
|
|
|
|
namespace NL3D
|
|
{
|
|
|
|
|
|
// ***************************************************************************
|
|
CVegetableClipBlock::CVegetableClipBlock()
|
|
{
|
|
_Empty= true;
|
|
_RenderNext= NULL;
|
|
_NumIgs= 0;
|
|
}
|
|
|
|
|
|
// ***************************************************************************
|
|
void CVegetableClipBlock::extendBBoxOnly(const CVector &vec)
|
|
{
|
|
if( !_BBox.include(vec) )
|
|
{
|
|
_BBox.extend(vec);
|
|
}
|
|
}
|
|
|
|
|
|
// ***************************************************************************
|
|
void CVegetableClipBlock::updateSphere()
|
|
{
|
|
_BSphere.Center= _BBox.getCenter();
|
|
_BSphere.Radius= _BBox.getRadius();
|
|
}
|
|
|
|
// ***************************************************************************
|
|
void CVegetableClipBlock::extendSphere(const CVector &vec)
|
|
{
|
|
if(_Empty)
|
|
{
|
|
_Empty= false;
|
|
_BBox.setCenter(vec);
|
|
_BBox.setHalfSize(CVector::Null);
|
|
_BSphere.Center= vec;
|
|
_BSphere.Radius= 0;
|
|
}
|
|
else
|
|
{
|
|
extendBBoxOnly(vec);
|
|
updateSphere();
|
|
}
|
|
|
|
}
|
|
|
|
|
|
// ***************************************************************************
|
|
bool CVegetableClipBlock::clip(const std::vector<CPlane> &pyramid)
|
|
{
|
|
if(_Empty)
|
|
return false;
|
|
|
|
for(uint i=0;i<pyramid.size();i++)
|
|
{
|
|
// If entirely out.
|
|
if(!_BSphere.clipBack( pyramid[i] ))
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
|
|
} // NL3D
|