Viewpoint.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 __VIEWPOINT_H__
#define __VIEWPOINT_H__
 
#include <H3D/X3DViewpointNode.h>
#include <H3D/FieldTemplates.h>
#include <H3DUtil/Exception.h>
 
namespace H3D {
  class H3DAPI_API Viewpoint : public X3DViewpointNode {
  public:
    Viewpoint( 
              Inst< SFSetBind >  _set_bind         = 0,
              Inst< SFVec3f   >  _centerOfRotation = 0,
              Inst< SFString  >  _description      = 0,
              Inst< SFFloat   >  _fieldOfView      = 0,
              Inst< SFBool    >  _jump             = 0,
              Inst< SFNode    >  _metadata         = 0,
              Inst< SFOrientation>  _orientation      = 0,
              Inst< SFPosition >  _position         = 0,
              Inst< SFBool    >  _retainUserOffsets = 0,
              Inst< SFTime    >  _bindTime         = 0,
              Inst< SFBool    >  _isBound          = 0,
              Inst< SFMatrix4f > _accForwardMatrix = 0,
              Inst< SFMatrix4f > _accInverseMatrix = 0 );
 
 
    // calculate the horizontal and vertical field of view components
    // as defined by the X3D spec for Viewpoint.
    virtual bool windowFromfieldOfView( H3DFloat width, H3DFloat height,
                                        H3DFloat clip_near,
                                        H3DFloat &top, H3DFloat &bottom,
                                        H3DFloat &right, H3DFloat &left );
 
    virtual void setupProjection( EyeMode eye_mode,
                                  H3DFloat width, H3DFloat height,
                                  H3DFloat clip_near, H3DFloat clip_far,
                                  StereoInfo * stereo_info = 0,
                                  bool update_stereo_proj_shift = false );
 
    H3DUniquePtr< SFFloat    > fieldOfView;
    
    static H3DNodeDatabase database;
  };
}
 
#endif