GlutPrimitiveNode.hh 5.56 KB
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/*===========================================================================*\
 *                                                                           *
 *                              OpenFlipper                                  *
 *      Copyright (C) 2001-2009 by Computer Graphics Group, RWTH Aachen      *
 *                           www.openflipper.org                             *
 *                                                                           *
 *---------------------------------------------------------------------------*
 *  This file is part of OpenFlipper.                                        *
 *                                                                           *
 *  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 with the              *
 *  following exceptions:                                                    *
 *                                                                           *
 *  If other files instantiate templates or use macros                       *
 *  or inline functions from this file, or you compile this file and         *
 *  link it with other files to produce an executable, this file does        *
 *  not by itself cause the resulting executable to be covered by the        *
 *  GNU Lesser General Public License. This exception does not however       *
 *  invalidate any other reasons why the executable file might be            *
 *  covered by the GNU Lesser General Public License.                        *
 *                                                                           *
 *  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 LesserGeneral Public          *
 *  License along with OpenFlipper. If not,                                  *
 *  see <http://www.gnu.org/licenses/>.                                      *
 *                                                                           *
\*===========================================================================*/
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/*===========================================================================*\
 *                                                                           *
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 *   $Revision$                                                       *
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 *   $Author$                                                      *
 *   $Date$                   *
 *                                                                           *
\*===========================================================================*/
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//=============================================================================
//
//  CLASS GlutPrimitiveNode
//
//=============================================================================


#ifndef ACG_GLUT_PRIMITIVE_NODE_HH
#define ACG_GLUT_PRIMITIVE_NODE_HH


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


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


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

namespace ACG {
namespace SceneGraph {


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


/** \class GlutPrimitiveNode GlutPrimitiveNode.hh <ACG/Scenegraph/GlutPrimitiveNode.hh>

    This class is able to render all glut primitives (listed in
    GlutPrimitiveType).
**/

class ACGDLLEXPORT GlutPrimitiveNode : public BaseNode
{

public:

  /// Lists all available primivites
  enum GlutPrimitiveType
  {
    CONE=0, 
    CUBE, 
    DODECAHEDRON, 
    ICOSAHEDRON, 
    OCTAHEDRON, 
    SPHERE, 
    TEAPOT, 
    TETRAHEDRON, 
    TORUS
  }; 
  
  
  /// Default constructor.
  GlutPrimitiveNode( GlutPrimitiveType _type,
		     BaseNode*         _parent=0,
		     std::string       _name="<GlutPrimitive>" )
    : BaseNode(_parent, _name),
      type_(_type),
      size_(1.0),  
      innersize_(0.5),
      slices_(20), 
      stacks_(20),
      position_(0.0, 0.0, 0.0)
  {}
  

  /// destructor
  virtual ~GlutPrimitiveNode() {}

  /// set position
  void set_position(const Vec3f& _p) { position_ = _p; }
  /// get position
  const Vec3f& get_position() const { return position_; }

  /// set size
  void set_size(float _s) { size_ = _s; }
  /// get size
  float get_size() const { return size_; }

  
  ACG_CLASSNAME(GlutPrimitiveNode);


  /// return available draw modes
  unsigned int availableDrawModes() const;

  /// update bounding box
  void boundingBox(Vec3f& _bbMin, Vec3f& _bbMax);
  
  /// drawing the primitive
  void draw(GLState& _state, unsigned int _drawMode);
  void draw_obj() const;
  /// picking
  void pick(GLState& _state, PickTarget _target);


private:
  
  GlutPrimitiveType  type_;
  float              size_, innersize_;
  unsigned int       slices_, stacks_;
  Vec3f              position_;
};


//=============================================================================
} // namespace SceneGraph
} // namespace ACG
//=============================================================================
#endif // ACG_GLUT_PRIMITIVE_NODE_HH
//=============================================================================