ProximitySensor.h

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//    Copyright 2004-2019, SenseGraphics AB
//
//    This file is part of H3D API.
//
//    H3D API is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.
//
//    H3D API 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 General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with H3D API; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//    A commercial license is also available. Please contact us at 
//    www.sensegraphics.com for more information.
//
//
//
#ifndef __PROXIMITYSENSOR_H__
#define __PROXIMITYSENSOR_H__
 
#include <H3D/X3DEnvironmentalSensorNode.h>
#include <H3D/SFVec3f.h>
#include <H3D/SFRotation.h>
#include <H3D/X3DViewpointNode.h>
#include <H3D/NavigationInfo.h>
 
 
 
namespace H3D {
 
 
  class H3DAPI_API ProximitySensor : public X3DEnvironmentalSensorNode {
  public:
    
 
    class H3DAPI_API SetTime: public AutoUpdate< SFBool > {
    public:
      // Sets either the exitTime or enterTime field depending
      // on the new value.
      virtual void setValue( const bool &b, int _id = 0 ) {
        SFBool::setValue( b , _id );
        ProximitySensor *ps = 
          static_cast< ProximitySensor * >( getOwner() );
      if( value )
      ps->enterTime->setValue( TimeStamp() , ps->id ); 
        else 
            ps->exitTime->setValue( TimeStamp() , ps->id ); 
      }
    protected:
      // Sets either the exitTime or enterTime field depending
      // on the new value.
      virtual void update() {
        SFBool::update();
        ProximitySensor *ps = 
          static_cast< ProximitySensor * >( getOwner() );
        if( value )
          ps->enterTime->setValue( TimeStamp() , ps->id );
        else 
          ps->exitTime->setValue( TimeStamp(), ps->id ); 
      }
    };
 
    ProximitySensor( Inst< SFNode > _metadata = 0,
                     Inst< SFVec3f > _center = 0,
                     Inst< SFBool > _enabled = 0,
                     Inst< SFVec3f > _size = 0,
                     Inst< SFTime > _enterTime = 0,
                     Inst< SFTime > _exitTime = 0,
                     Inst< SFBool > _isActive = 0,
                     Inst< SFVec3f > _centerOfRotation_changed = 0,
                     Inst< SFRotation > _orientation_changed = 0,
                     Inst< SFVec3f > _position_changed = 0);
 
 
    virtual void traverseSG( TraverseInfo &ti ); 
 
 
    // Fields
 
    H3DUniquePtr< SFVec3f >  centerOfRotation_changed;
 
    H3DUniquePtr< SFRotation >  orientation_changed;
 
    H3DUniquePtr< SFVec3f >  position_changed;
 
 
    H3DUniquePtr< SetTime > set_time;
 
    TraverseInfo *prev_travinfoadr;
 
 
    // Internal Vectors for previous position of viewpoint
    Vec3f prev_vp_pos;
    Vec3f can_prev_vp_pos;
 
  
    static H3DNodeDatabase database;
  };
}
 
#endif