WindPhysicsModel.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 __WINDPHYSICSMODEL_H__
#define __WINDPHYSICSMODEL_H__
 
#include <H3D/X3DParticlePhysicsModelNode.h>
 
namespace H3D {
 
  class H3DAPI_API WindPhysicsModel : public X3DParticlePhysicsModelNode {
  public:
 
    WindPhysicsModel( Inst< SFNode  > _metadata   = 0,
                      Inst< SFBool  > _enabled    = 0,
                      Inst< SFVec3f > _direction  = 0,
                      Inst< SFFloat > _gustiness  = 0,
                      Inst< SFFloat > _speed      = 0,
                      Inst< SFFloat > _turbulence = 0 );
 
    virtual void traverseSG( TraverseInfo &ti );
 
    virtual void updateParticleValues( 
                const X3DParticleEmitterNode::Particle &last_particle,
                X3DParticleEmitterNode::Particle &particle,
                H3DTime last_time,
                H3DTime current_time );
 
    H3DUniquePtr< SFVec3f > direction;
 
    H3DUniquePtr< SFFloat > gustiness;
 
    H3DUniquePtr< SFFloat > speed;
 
    H3DUniquePtr< SFFloat > turbulence;
 
    static H3DNodeDatabase database;
 
  protected:
    H3DFloat wind_speed;
  };
}
 
#endif