62 lines
1.5 KiB
Plaintext
62 lines
1.5 KiB
Plaintext
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//C++ header - Open Scene Graph - Copyright (C) 1998-2001 Robert Osfield
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//Distributed under the terms of the GNU Library General Public License (LGPL)
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//as published by the Free Software Foundation.
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#ifndef OSG_CONVEXPLANEROCCLUDER
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#define OSG_CONVEXPLANEROCCLUDER 1
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#include <osg/ConvexPlanerPolygon>
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#include <osg/Referenced>
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namespace osg {
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class OccluderVolume;
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/** A ClippingVolume class for representing convex clipping volumes made up.
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* When adding planes, their normals should point inwards (into the volume) */
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class SG_EXPORT ConvexPlanerOccluder : public Referenced
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{
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public:
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inline ConvexPlanerOccluder() {}
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void setOccluder(const ConvexPlanerPolygon& cpp) { _occluder = cpp; }
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ConvexPlanerPolygon& getOccluder() { return _occluder; }
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const ConvexPlanerPolygon& getOccluder() const { return _occluder; }
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typedef std::vector<ConvexPlanerPolygon> HoleList;
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void addHole(const ConvexPlanerPolygon& cpp) { _holeList.push_back(cpp); }
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HoleList& getHoleList() { return _holeList; }
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const HoleList& getHoleList() const { return _holeList; }
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void computeAttributes();
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void computeBound(BoundingBox& bb) const;
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void computeBound(BoundingSphere& bs) const;
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protected:
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float _area;
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Vec3 _center;
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Vec3 _normal;
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ConvexPlanerPolygon _occluder;
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HoleList _holeList;
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};
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} // end of namespace
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#endif
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