Vector.hpp

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/***********************************
   Copyright 2018 Ravishankar Mathur

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
***********************************/

#ifndef _OF_VECTOR_
#define _OF_VECTOR_

#include <OpenFrames/Export.h>

#include <osg/ShapeDrawable>
#include <osg/Referenced>
#include <osg/ref_ptr>

namespace OpenFrames
{
  class OF_EXPORT Vector : public osg::Referenced
  {
  public:
    Vector( const osg::Vec3d& vec );

    void setLength( const double &body, const double &head );
    void getLength( double &body, double &head) const;
    double getTotalLength() const;

    void setRadius( const double &body, const double &head );
    void getRadius( double &body, double &head) const;

    void setBasePosition( const osg::Vec3d& b );
    inline const osg::Vec3d& getBasePosition() const { return _basepos; }

    void setDirection( const osg::Vec3d& d );
    inline const osg::Vec3d& getDirection() const { return _dir; }

    inline osg::ShapeDrawable* getVector() const { return _vec.get(); }

    void reposition();

  protected:
    virtual ~Vector();

    osg::ref_ptr<osg::Cylinder> _body;
    osg::ref_ptr<osg::Cone> _head;
    osg::ref_ptr<osg::ShapeDrawable> _vec;

    osg::Vec3d _basepos; // Vector base position
    osg::Vec3d _dir;     // Vector direction
  };

} // ! namespace OpenFrames

#endif // ! _OF_VECTOR_