OpenSceneGraph/src/osg/ClipPlane.cpp

53 lines
1.4 KiB
C++

/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library 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
* OpenSceneGraph Public License for more details.
*/
#include <osg/ClipPlane>
#include <osg/StateSet>
#include <osg/Notify>
using namespace osg;
ClipPlane::ClipPlane()
{
_clipPlane.set(0.0,0.0,0.0,0.0);
_clipPlaneNum = 0;
}
ClipPlane::~ClipPlane()
{
}
void ClipPlane::setClipPlaneNum(unsigned int num)
{
if (_clipPlaneNum==num) return;
ReassignToParents needToReassingToParentsWhenMemberValueChanges(this);
_clipPlaneNum = num;
}
unsigned int ClipPlane::getClipPlaneNum() const
{
return _clipPlaneNum;
}
void ClipPlane::apply(State&) const
{
#if defined(OSG_GL_FIXED_FUNCTION_AVAILABLE) && !defined(OSG_GLES1_AVAILABLE)
glClipPlane((GLenum)(GL_CLIP_PLANE0+_clipPlaneNum),_clipPlane.ptr());
#else
OSG_NOTICE<<"Warning: ClipPlane::apply(State&) - not supported."<<std::endl;
#endif
}