ManipulatorNode.hh

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//=============================================================================
//
//  CLASS ManipulatorNode
//
//=============================================================================
 
 
#ifndef ACG_MANIPULATOR_NODE_HH
#define ACG_MANIPULATOR_NODE_HH
 
 
//== INCLUDES =================================================================
 
// GMU
#include "BaseNode.hh"
#include "TransformNode.hh"
#include <ACG/GL/GLPrimitives.hh>
 
// Qt
#include <QEvent>
#include <QMouseEvent>
 
 
 
 
//== NAMESPACES ===============================================================
 
namespace ACG {
namespace SceneGraph {
 
 
//== CLASS DEFINITION =========================================================
 
 
class ACGDLLEXPORT ManipulatorNode : public TransformNode
{
public:
 
 
  ManipulatorNode( BaseNode* _parent=0,
                   const std::string& _name="<ManipulatorNode>" );
 
  ~ManipulatorNode();
 
 
  ACG_CLASSNAME(ManipulatorNode);
 
 
  //
  // METHODS
  //
 
 
 
  virtual void setIdentity() override;
 
  void set_draw_cylinder(bool _b) { draw_cylinder_ = _b; }
 
  bool draw_cylinder() const { return draw_cylinder_; }
 
  void set_direction(Vec3d& _v);
 
  Vec3d direction() const;
 
  void set_size( double _size) { cylinder_height_ = _size;
                                 cylinder_radius_ = _size/10.0;}
 
  double size() const { return cylinder_height_; }
 
  void translate(double _s) {
    Vec3d rel_dir = rotation().transform_vector(direction_);
    TransformNode::translate(_s * rel_dir);
  }
 
  void draw(GLState& _state, const DrawModes::DrawMode& _drawMode) override;
 
  void pick(GLState& _state, PickTarget _target) override;
 
  virtual void mouseEvent(GLState& _state, QMouseEvent* _event) override;
 
  bool touched() { return touched_; };
 
  void reset_touched() { touched_ = false; };
 
 
private:
 
  void setup_sphere_system(GLState& _state);
  void setup_cylinder_system(GLState& _state);
 
  bool mapToSphere(GLState& _state, const Vec2i& _v2, Vec3d& _v3);
  bool hitSphere(GLState& _state, const Vec2i& _v2);
  bool mapToCylinder (GLState& _state, const Vec2i& _v2, double& axis_hit);
 
 
 
 
 
  // ELEMENTS
  bool               draw_cylinder_;
 
  Vec3d              direction_;
  GLCylinder*        cylinder_;
  double             cylinder_radius_;
  double             cylinder_height_;
  int                cylinder_slices_;
  int                cylinder_stacks_;
 
 
  bool               cylinder_clicked_;
  bool               sphere_clicked_;
 
  Vec2i              oldPoint2D_;
 
  bool               touched_;
};
 
 
//=============================================================================
} // namespace SceneGraph
} // namespace ACG
//=============================================================================
#endif // ACG_MANIPUKATOR_NODE_HH defined
//=============================================================================