vtkJoystickFly.h

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// SPDX-FileCopyrightText: Copyright (c) Kitware Inc.
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkJoystickFly_h
#define vtkJoystickFly_h

#include "vtkCameraManipulator.h"

#include "vtkCommand.h"                // for vtkCommand::UserEvent
#include "vtkInteractionStyleModule.h" // needed for export macro

VTK_ABI_NAMESPACE_BEGIN
class vtkRenderer;

class VTKINTERACTIONSTYLE_EXPORT vtkJoystickFly : public vtkCameraManipulator
{
public:
  vtkTypeMacro(vtkJoystickFly, vtkCameraManipulator);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  enum : vtkTypeUInt16
  {
    FlyAnimationStepEvent = vtkCommand::UserEvent + 1,
  };


  void StartInteraction() override {}
  void EndInteraction() override {}
  void OnKeyDown(vtkRenderWindowInteractor* vtkNotUsed(rwi)) override {}
  void OnKeyUp(vtkRenderWindowInteractor* vtkNotUsed(rwi)) override {}


  void OnMouseMove(int x, int y, vtkRenderer* ren, vtkRenderWindowInteractor* rwi) override;
  void OnButtonDown(int x, int y, vtkRenderer* ren, vtkRenderWindowInteractor* rwi) override;
  void OnButtonUp(int x, int y, vtkRenderer* ren, vtkRenderWindowInteractor* rwi) override;


  vtkSetClampMacro(FlySpeed, double, 1, 30);
  vtkGetMacro(FlySpeed, double);

protected:
  vtkJoystickFly();
  ~vtkJoystickFly() override;

  // Subclasses set to 1 for fly in and -1 for fly out.
  int In = -1;

private:
  vtkJoystickFly(const vtkJoystickFly&) = delete;
  void operator=(const vtkJoystickFly&) = delete;

  int FlyFlag = 0;

  double FlySpeed = 20.0;
  double LastRenderTime = 0.1;

  void Fly(vtkRenderer* ren, vtkRenderWindowInteractor* rwi, double scale, double speed);
};
VTK_ABI_NAMESPACE_END
#endif