/usr/include/osgUtil/SmoothingVisitor is in libopenscenegraph-dev 3.2.1-6.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | /* -*-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.
*/
#ifndef OSGUTIL_SMOOTHINGVISITOR
#define OSGUTIL_SMOOTHINGVISITOR 1
#include <osg/NodeVisitor>
#include <osg/Geode>
#include <osg/Geometry>
#include <osgUtil/Export>
namespace osgUtil {
/** A smoothing visitor for calculating smoothed normals for
* osg::GeoSet's which contains surface primitives.
*/
class OSGUTIL_EXPORT SmoothingVisitor : public osg::NodeVisitor
{
public:
/// default to traversing all children.
SmoothingVisitor();
virtual ~SmoothingVisitor();
/// smooth geoset by creating per vertex normals.
static void smooth(osg::Geometry& geoset, double creaseAngle=osg::PI);
/// apply smoothing method to all geode geosets.
virtual void apply(osg::Geode& geode);
/// set the maximum angle, in radians, at which angle between adjacent triangles that normals are smoothed
/// for edges that greater the shared vertices are duplicated
void setCreaseAngle(double angle) { _creaseAngle = angle; }
double getCreaseAngle() const { return _creaseAngle; }
protected:
double _creaseAngle;
};
}
#endif
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