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vtkOpenVRCamera.h
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vtkOpenVRCamera.h
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/*=========================================================================
Program: Visualization Toolkit
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 vtkOpenVRCamera
* @brief OpenVR camera
*
* vtkOpenVRCamera is a concrete implementation of the abstract class
* vtkCamera. vtkOpenVRCamera interfaces to the OpenVR rendering library.
*/
#ifndef vtkOpenVRCamera_h
#define vtkOpenVRCamera_h
#include "vtkRenderingOpenVRModule.h" // For export macro
#include "vtkOpenGLCamera.h"
#include "vtkNew.h" // ivars
#include "vtkTransform.h" // ivars
class vtkOpenVRRenderer;
class vtkOpenVRRenderWindow;
class vtkMatrix3x3;
class vtkMatrix4x4;
class VTKRENDERINGOPENVR_EXPORT vtkOpenVRCamera : public vtkOpenGLCamera
{
public:
static vtkOpenVRCamera *New();
vtkTypeMacro(vtkOpenVRCamera, vtkOpenGLCamera);
void PrintSelf(ostream& os, vtkIndent indent) override;
/**
* Implement base class method.
*/
virtual void Render(vtkRenderer *ren);
virtual void GetKeyMatrices(vtkRenderer *ren, vtkMatrix4x4 *&WCVCMatrix,
vtkMatrix3x3 *&normalMatrix, vtkMatrix4x4 *&VCDCMatrix, vtkMatrix4x4 *&WCDCMatrix);
/**
* Provides a matrix to go from absolute OpenVR tracking coordinates
* to device coordinates. Used for rendering devices.
*/
virtual void GetTrackingToDCMatrix(vtkMatrix4x4 *&TCDCMatrix);
// apply the left or right eye pose to the camera
// position and focal point. Factor is typically
// 1.0 to add or -1.0 to subtract
void ApplyEyePose(vtkOpenVRRenderWindow *, bool left, double factor);
// Get the OpenVR Physical Space to World coordinate matrix
vtkTransform *GetPhysicalToWorldTransform() {
return this->PoseTransform.Get(); }
protected:
vtkOpenVRCamera();
~vtkOpenVRCamera();
// gets the pose and projections for the left and right eves from
// the openvr library
void GetHMDEyePoses(vtkRenderer *);
void GetHMDEyeProjections(vtkRenderer *);
double LeftEyePose[3];
double RightEyePose[3];
vtkMatrix4x4 *LeftEyeProjection;
vtkMatrix4x4 *RightEyeProjection;
vtkMatrix4x4 *LeftEyeTCDCMatrix;
vtkMatrix4x4 *RightEyeTCDCMatrix;
// used to translate the
// View to the HMD space
vtkNew<vtkTransform> PoseTransform;
private:
vtkOpenVRCamera(const vtkOpenVRCamera&) = delete;
void operator=(const vtkOpenVRCamera&) = delete;
};
#endif