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/* -*-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 OSG_COMPUTEBOUNDSVISITOR
#define OSG_COMPUTEBOUNDSVISITOR 1
#include <osg/NodeVisitor>
#include <osg/BoundingBox>
#include <osg/Polytope>
namespace osg {
class OSG_EXPORT ComputeBoundsVisitor : public osg::NodeVisitor
{
public:
ComputeBoundsVisitor(TraversalMode traversalMode = TRAVERSE_ALL_CHILDREN);
META_NodeVisitor("osg","ComputeBoundsVisitor")
virtual void reset();
osg::BoundingBox& getBoundingBox() { return _bb; }
void getPolytope(osg::Polytope& polytope, float margin=0.1) const;
void getBase(osg::Polytope& polytope, float margin=0.1) const;
void apply(osg::Node& node);
void apply(osg::Transform& transform);
void apply(osg::Geode& geode);
inline void pushMatrix(osg::Matrix& matrix) { _matrixStack.push_back(matrix); }
inline void popMatrix() { _matrixStack.pop_back(); }
void applyDrawable(osg::Drawable* drawable);
protected:
typedef std::vector<osg::Matrix> MatrixStack;
MatrixStack _matrixStack;
osg::BoundingBox _bb;
};
}
#endif