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55 lines
1.7 KiB
55 lines
1.7 KiB
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield |
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* |
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* This library is open source and may be redistributed and/or modified under |
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or |
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* (at your option) any later version. The full license is in LICENSE file |
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* included with this distribution, and on the openscenegraph.org website. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* OpenSceneGraph Public License for more details. |
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*/ |
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#ifndef OSGUTIL_SMOOTHINGVISITOR |
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#define OSGUTIL_SMOOTHINGVISITOR 1 |
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#include <osg/NodeVisitor> |
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#include <osg/Geode> |
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#include <osg/Geometry> |
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#include <osgUtil/Export> |
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namespace osgUtil { |
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/** A smoothing visitor for calculating smoothed normals for |
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* osg::GeoSet's which contains surface primitives. |
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*/ |
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class OSGUTIL_EXPORT SmoothingVisitor : public osg::NodeVisitor |
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{ |
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public: |
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/// default to traversing all children. |
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SmoothingVisitor(); |
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virtual ~SmoothingVisitor(); |
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/// smooth geoset by creating per vertex normals. |
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static void smooth(osg::Geometry& geoset, double creaseAngle=osg::PI); |
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/// apply smoothing method to all geode geosets. |
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virtual void apply(osg::Geode& geode); |
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/// set the maximum angle, in radians, at which angle between adjacent triangles that normals are smoothed |
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/// for edges that greater the shared vertices are duplicated |
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void setCreaseAngle(double angle) { _creaseAngle = angle; } |
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double getCreaseAngle() const { return _creaseAngle; } |
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protected: |
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double _creaseAngle; |
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}; |
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} |
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#endif
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