OpenSceneGraph/include/osg/ClipNode
2002-06-06 13:25:36 +00:00

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//C++ header - Open Scene Graph - Copyright (C) 1998-2001 Robert Osfield
//Distributed under the terms of the GNU Library General Public License (LGPL)
//as published by the Free Software Foundation.
#ifndef OSG_CLIPNODE
#define OSG_CLIPNODE 1
#include <osg/Group>
#include <osg/ClipPlane>
namespace osg {
/** Leaf Node for defining the position of ClipPlanes in the scene.*/
class SG_EXPORT ClipNode : public Group
{
public:
typedef std::vector<ref_ptr<ClipPlane> > ClipPlaneList;
ClipNode();
ClipNode(const ClipNode& es, const CopyOp& copyop=CopyOp::SHALLOW_COPY);
META_Node(osg, ClipNode);
/** Create a 6 clip planes to create a clip box.*/
void createClipBox(const BoundingBox& bb,unsigned int clipPlaneNumberBase=0);
/** Add a ClipPlane to a ClipNode. Return true if plane is added,
* return false if plane already exists in ClipNode, or clipplane is false.*/
const bool addClipPlane(ClipPlane* clipplane);
/** Remove ClipPlane from a ClipNode. Return true if plane is removed,
* return false if plane does not exists in ClipNode.*/
const bool removeClipPlane(ClipPlane* clipplane);
/** Remove ClipPlane, at specified index, from a ClipNode. Return true if plane is removed,
* return false if plane does not exists in ClipNode.*/
const bool removeClipPlane(unsigned int pos);
/** return the number of ClipPlanes.*/
inline const unsigned int getNumClipPlanes() const { return _planes.size(); }
/** Get ClipPlane at specificed index position.*/
inline ClipPlane* getClipPlane(unsigned int pos) { return _planes[pos].get(); }
/** Get const ClipPlane at specificed index position.*/
inline const ClipPlane* getClipPlane(unsigned int pos) const { return _planes[pos].get(); }
/** Get the ClipPlaneList.*/
inline ClipPlaneList& getClipPlaneList() { return _planes; }
/** Get the const ClipPlaneList.*/
inline const ClipPlaneList& getClipPlaneList() const { return _planes; }
/** Set the GLModes on StateSet associated with the ClipPlanes.*/
void setStateSetModes(StateSet&,const StateAttribute::GLModeValue) const;
/** Set up the local StateSet */
void setLocalStateSetModes(const StateAttribute::GLModeValue=StateAttribute::ON);
protected:
virtual ~ClipNode();
virtual const bool computeBound() const;
StateAttribute::GLModeValue _value;
ClipPlaneList _planes;
};
}
#endif