60 lines
1.6 KiB
Plaintext
60 lines
1.6 KiB
Plaintext
|
/* -*-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);
|
||
|
|
|
||
|
|
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
|