GravityPhysicsModel.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 __GRAVITYPHYSICSMODEL_H__
#define __GRAVITYPHYSICSMODEL_H__
 
#include <H3D/X3DParticlePhysicsModelNode.h>
 
namespace H3D {
 
  class H3DAPI_API GravityPhysicsModel : public X3DParticlePhysicsModelNode {
  public:
 
    GravityPhysicsModel( Inst< SFNode  > _metadata = 0,
                         Inst< SFBool  > _enabled  = 0,
                         Inst< SFVec3f > _gravity  = 0);
 
    
    virtual void updateParticleValues( const X3DParticleEmitterNode::Particle &last_particle,
                                       X3DParticleEmitterNode::Particle &particle,
                                       H3DTime last_time,
                                       H3DTime current_time );
 
    H3DUniquePtr< SFVec3f > gravity;
 
    static H3DNodeDatabase database;
  };
}
 
#endif