dox/Rendering/vtkInteractorStyleFlight.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkInteractorStyleFlight.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/

#ifndef __vtkInteractorStyleFlight_h
#define __vtkInteractorStyleFlight_h

#include "vtkInteractorStyle.h"
class vtkCamera;
class vtkPerspectiveTransform;
//BTX
class CPIDControl;
//ETX

class VTK_RENDERING_EXPORT vtkInteractorStyleFlight : public vtkInteractorStyle
{
public:
  static vtkInteractorStyleFlight *New();
  vtkTypeMacro(vtkInteractorStyleFlight,vtkInteractorStyle);
  void PrintSelf(ostream& os, vtkIndent indent);

  void JumpTo(double campos[3], double focpos[3]);


  vtkSetMacro(MotionStepSize,double);
  vtkGetMacro(MotionStepSize,double);


  vtkSetMacro(MotionAccelerationFactor,double);
  vtkGetMacro(MotionAccelerationFactor,double);


  vtkSetMacro(AngleStepSize,double);
  vtkGetMacro(AngleStepSize,double);


  vtkSetMacro(AngleAccelerationFactor,double);
  vtkGetMacro(AngleAccelerationFactor,double);


  vtkSetMacro(DisableMotion,int);
  vtkGetMacro(DisableMotion,int);
  vtkBooleanMacro(DisableMotion,int);


  vtkSetMacro(RestoreUpVector,int);
  vtkGetMacro(RestoreUpVector,int);
  vtkBooleanMacro(RestoreUpVector,int);

  // Specify "up" (by default {0,0,1} but can be changed)
  vtkGetVectorMacro(DefaultUpVector,double,3);
  vtkSetVectorMacro(DefaultUpVector,double,3);


  virtual void OnMouseMove();
  virtual void OnLeftButtonDown();
  virtual void OnLeftButtonUp();
  virtual void OnMiddleButtonDown();
  virtual void OnMiddleButtonUp();
  virtual void OnRightButtonDown();
  virtual void OnRightButtonUp();


  virtual void OnChar();
  virtual void OnKeyDown();
  virtual void OnKeyUp();
  virtual void OnTimer();
  //
  virtual void ForwardFly();
  virtual void ReverseFly();
  //
  virtual void StartForwardFly();
  virtual void EndForwardFly();
  virtual void StartReverseFly();
  virtual void EndReverseFly();

protected:
   vtkInteractorStyleFlight();
  ~vtkInteractorStyleFlight();


  void UpdateSteering(vtkCamera *cam);
  void UpdateMouseSteering(vtkCamera *cam);
  void FlyByMouse(vtkCamera* cam);
  void FlyByKey(vtkCamera* cam);
  void GetLRVector(double vector[3], vtkCamera* cam);
  void MotionAlongVector(double vector[3], double amount, vtkCamera* cam);
  void SetupMotionVars(vtkCamera *cam);
  void FinishCamera(vtkCamera* cam);
  //
  //
  unsigned char KeysDown;
  int           DisableMotion;
  int           RestoreUpVector;
  double        DiagonalLength;
  double        MotionStepSize;
  double        MotionUserScale;
  double        MotionAccelerationFactor;
  double        AngleStepSize;
  double        AngleAccelerationFactor;
  double        DefaultUpVector[3];
  double        AzimuthStepSize;
  double        IdealFocalPoint[3];
  vtkPerspectiveTransform *Transform;
  double        DeltaYaw;
  double        lYaw;
  double        DeltaPitch;
  double        lPitch;
//BTX
  CPIDControl  *PID_Yaw;
  CPIDControl  *PID_Pitch;
//ETX
private:
  vtkInteractorStyleFlight(const vtkInteractorStyleFlight&);  // Not implemented.
  void operator=(const vtkInteractorStyleFlight&);  // Not implemented.
};

#endif