ClippingNode.hh

/*===========================================================================*\
 *                                                                           *
 *                              OpenFlipper                                  *
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/*===========================================================================*\
 *                                                                           *
 *   $Revision: 8548 $                                                       *
 *   $Author: moebius $                                                      *
 *   $Date: 2010-02-12 14:40:13 +0100 (Fr, 12. Feb 2010) $                   *
 *                                                                           *
\*===========================================================================*/




//=============================================================================
//
//  CLASS ClippingNode
//
//=============================================================================


#ifndef ACG_CLIPPING_NODE_HH
#define ACG_CLIPPING_NODE_HH


//== INCLUDES =================================================================

#include "BaseNode.hh"
#include <string>
#include <fstream>

//== NAMESPACES ===============================================================

namespace ACG {
namespace SceneGraph {
  

//== CLASS DEFINITION =========================================================

  
class ACGDLLEXPORT ClippingNode : public BaseNode
{
public:

  ClippingNode( BaseNode*           _parent = 0,
                const std::string&  _name = "<ClippingNode>" )
    : BaseNode(_parent, _name),
      slice_width_(0),
      offset_(0)
  {}


  virtual ~ClippingNode() {}

  ACG_CLASSNAME(ClippingNode);

  void enter(GLState& _state, DrawModes::DrawMode _drawmode);

  void leave(GLState& _state, DrawModes::DrawMode _drawmode);

  void set_plane(const Vec3f& _position, const Vec3f& _normal, float _eps=0.0);

  const Vec3f& position() const { return position_; }

  const Vec3f& normal() const { return normal_; }

  float slice_width() const { return slice_width_; }

  void set_offset(float _dist);

  
private:

  Vec3f     position_, normal_;
  GLdouble  plane0_[4], plane1_[4], offset_plane0_[4], offset_plane1_[4];
  float     slice_width_, offset_;
};


//=============================================================================
} // namespace SceneGraph
} // namespace ACG
//=============================================================================
#endif // ACG_CLIPPING_NODE_HH defined
//=============================================================================