HapticForceField.h

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//    Copyright 2004, 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 __HAPTICFORCEFIELD_H__
#define __HAPTICFORCEFIELD_H__

#include "HapticForceEffect.h" 

namespace H3D {
  class H3DAPI_API HapticForceField: public HapticForceEffect {
  public:
    HapticForceField( const H3D::ArithmeticTypes::Matrix4f & _transform,
                      const Vec3f &_force,
                      bool _interpolate ):
      HapticForceEffect( _transform, _interpolate ),
      force( _force ) {}
    
    EffectOutput virtual calculateForces( const EffectInput &input ) {
      return EffectOutput( transform.getRotationPart() * force );
    }
    
  protected:
    Vec3f force;
  };
}

#endif

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