ClippingNode.hh 3.49 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123
//=============================================================================
//
//                               OpenFlipper
//        Copyright (C) 2008 by Computer Graphics Group, RWTH Aachen
//                           www.openflipper.org
//
//-----------------------------------------------------------------------------
//
//                                License
//
//  OpenFlipper is free software: you can redistribute it and/or modify
//  it under the terms of the GNU Lesser General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
// 
//  OpenFlipper 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
//  GNU Lesser General Public License for more details.
// 
//  You should have received a copy of the GNU Lesser General Public License
//  along with OpenFlipper.  If not, see <http://www.gnu.org/licenses/>.
//
//-----------------------------------------------------------------------------
//
//   $Revision$
//   $Author$
//   $Date$
//
//=============================================================================




//=============================================================================
//
//  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 ClippingNode ClippingNode.hh <ACG/Scenegraph/ClippingNode.hh>

    Set material and some other stuff for this node and all its
    children.  All changes will be done in the enter() method undone
    in the leave() method.
**/

class ACGDLLEXPORT ClippingNode : public BaseNode
{
public:

  /// Default constructor. Applies all properties.
  ClippingNode( BaseNode*           _parent = 0,
		const std::string&  _name = "<ClippingNode>" )
    : BaseNode(_parent, _name),
      slice_width_(0),
      offset_(0)
  {}


  /// Destructor.
  virtual ~ClippingNode() {}

  /// set class name
  ACG_CLASSNAME(ClippingNode);

  /// set texture
  void enter(GLState& _state, unsigned int _drawmode);

  /// restores original texture (or no-texture)
  void leave(GLState& _state, unsigned int _drawmode);

  /// set position and normal of plane
  void set_plane(const Vec3f& _position, const Vec3f& _normal, float _eps=0.0);

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

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

  /// get slice width
  float slice_width() const { return slice_width_; }

  /// sweep plane along normal by _dist
  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
//=============================================================================