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/*=========================================================================
Program: Visualization Toolkit
Module: vtkVRFollower.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.
=========================================================================*/
/**
* @class vtkVRFollower
* @brief VR Follower
*
* vtkVRFollower a follower that aligns with PhysicalViewUp
*/
#ifndef vtkVRFollower_h
#define vtkVRFollower_h
#include "vtkFollower.h"
#include "vtkRenderingVRModule.h" // For export macro
VTK_ABI_NAMESPACE_BEGIN
class VTKRENDERINGVR_EXPORT vtkVRFollower : public vtkFollower
{
public:
static vtkVRFollower* New();
vtkTypeMacro(vtkVRFollower, vtkFollower);
void PrintSelf(ostream& os, vtkIndent indent) override;
void Render(vtkRenderer* ren) override;
/**
* Generate the matrix based on ivars. This method overloads its superclasses
* ComputeMatrix() method due to the special vtkFollower matrix operations.
*/
void ComputeMatrix() override;
protected:
vtkVRFollower() = default;
~vtkVRFollower() override = default;
double LastViewUp[3];
private:
vtkVRFollower(const vtkVRFollower&) = delete;
void operator=(const vtkVRFollower&) = delete;
/**
* DO NOT USE
* This method is declared in order to hide a `-Woverloaded-virtual`
* since we cant use the `using` keyword with private methods
*/
void Render(vtkRenderer*, vtkMapper*) override {}
};
VTK_ABI_NAMESPACE_END
#endif
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