PointNode.hh

/*===========================================================================*\
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//=============================================================================
//
//  CLASS PointNode
//
//=============================================================================


#ifndef ACG_POINTNODE_HH
#define ACG_POINTNODE_HH


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

#include "BaseNode.hh"
#include "DrawModes.hh"
#include <ACG/GL/VertexDeclaration.hh>
#include <vector>

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

namespace ACG {
namespace SceneGraph {

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

              

class ACGDLLEXPORT PointNode : public BaseNode
{
public:
   
  // typedefs
  typedef std::vector<ACG::Vec3d>      PointVector;
  typedef PointVector::iterator        PointIter;
  typedef PointVector::const_iterator  ConstPointIter;
  typedef std::vector<ACG::Vec4f>      ColorVector;
  typedef ColorVector::iterator        ColorIter;
  typedef ColorVector::const_iterator  ConstColorIter;


  PointNode( BaseNode*         _parent=0,
         const std::string &  _name="<PointNode>" )
    : BaseNode(_parent, _name)
  {}
 
  ~PointNode() {}

  ACG_CLASSNAME(PointNode);

  DrawModes::DrawMode availableDrawModes() const override;

  void boundingBox(Vec3d& _bbMin, Vec3d& _bbMax) override;

  void draw(GLState& _state, const DrawModes::DrawMode& _drawMode) override;

  void getRenderObjects(IRenderer* _renderer, GLState&  _state , const DrawModes::DrawMode&  _drawMode , const Material* _mat) override;

  void reserve(unsigned int _np, unsigned int _nn, unsigned int _nc) {
    points_.reserve(_np); normals_.reserve(_nn); colors_.reserve(_nc);
  }

  void add_point(const ACG::Vec3d& _p) { points_.push_back(_p); }
  void add_normal(const ACG::Vec3d& _n) { normals_.push_back(_n); }
  void add_color(const ACG::Vec4f& _c) { colors_.push_back(_c); }

  size_t n_points() const { return points_.size(); }

  void clear_points() { points_.clear(); }
  void clear_normals() { normals_.clear(); }
  void clear_colors() { colors_.clear(); }
  void clear() { clear_points(); clear_normals(); clear_colors(); }

  PointVector& points() { return points_; }
  PointVector& normals() { return normals_; }
  ColorVector& colors() { return colors_; }


private:
  
  PointVector  points_, normals_;
  ColorVector  colors_;

  VertexDeclaration vertexDecl_;
};


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