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graphics/vtkInteractorStyleFlight.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkInteractorStyleFlight.h,v $
  Language:  C++


Copyright (c) 1993-2001 Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

 * Redistributions of source code must retain the above copyright notice,
   this list of conditions and the following disclaimer.

 * Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.

 * Neither name of Ken Martin, Will Schroeder, or Bill Lorensen nor the names
   of any contributors may be used to endorse or promote products derived
   from this software without specific prior written permission.

 * Modified source versions must be plainly marked as such, and must not be
   misrepresented as being the original software.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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

#ifndef __vtkInteractorStyleFlight_h
#define __vtkInteractorStyleFlight_h

#include "vtkInteractorStyle.h"

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

  virtual   void OnRightButtonDown (int ctrl, int shift, int X, int Y);
  virtual   void OnRightButtonUp   (int ctrl, int shift, int X, int Y);
  virtual   void OnMiddleButtonDown(int ctrl, int shift, int X, int Y);
  virtual   void OnMiddleButtonUp  (int ctrl, int shift, int X, int Y);
  virtual   void OnLeftButtonDown  (int ctrl, int shift, int X, int Y);
  virtual   void OnLeftButtonUp    (int ctrl, int shift, int X, int Y);
  virtual   void OnMouseMove       (int ctrl, int shift, int X, int Y);

  virtual void OnChar   (int ctrl, int shift, char keycode, int repeatcount);
  virtual void OnKeyDown(int ctrl, int shift, char keycode, int repeatcount);
  virtual void OnKeyUp  (int ctrl, int shift, char keycode, int repeatcount);

  virtual void OnTimer(void);

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

  void PerformAzimuthalScan(int numsteps);

  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(FixUpVector,int);
  vtkGetMacro(FixUpVector,int);
  vtkBooleanMacro(FixUpVector,int);

  // Specify fixed "up"
  vtkGetVectorMacro(FixedUpVector,double,3);
  vtkSetVectorMacro(FixedUpVector,double,3);

protected:
  vtkInteractorStyleFlight();
  ~vtkInteractorStyleFlight();
  vtkInteractorStyleFlight(const vtkInteractorStyleFlight&) {};
  void operator=(const vtkInteractorStyleFlight&) {};
  //
  void DoTimerStart(void);
  void DoTimerStop(void);
  void UpdateMouseSteering(int x, int y);
  void FlyByMouse(void);
  void FlyByKey(void);
  void ComputeLRVector(double vector[3]);
  void MotionAlongVector(double vector[3], double amount);
  void SetupMotionVars(void);
  void AzimuthScan(void);
  //
  //
  unsigned char KeysDown;
  int           Flying;
  int           Reversing;
  int           TimerRunning;
  int           AzimuthScanning;
  int           DisableMotion;
  int           FixUpVector;
  double        OldX;
  double        OldY;
  double        X2;
  double        Y2;
  double        DiagonalLength;
  double        MotionStepSize;
  double        MotionUserScale;
  double        MotionAccelerationFactor;
  double        AngleStepSize;
  double        AngleAccelerationFactor;
  double        YawAngle;
  double        PitchAngle;
  double        FixedUpVector[3];
  double        AzimuthStepSize;
};

#endif

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