Method StartClip

Rendering/VR/vtkVRInteractorStyle.cxx:464–510

------------------------------------------------------------------------------

//------------------------------------------------------------------------------
void vtkVRInteractorStyle::StartClip(vtkEventDataDevice3D* ed)
{
  if (this->CurrentRenderer == nullptr)
  {
    return;
  }

  vtkEventDataDevice dev = ed->GetDevice();
  this->InteractionState[static_cast<int>(dev)] = VTKIS_CLIP;

  if (!this->ClippingPlanes[static_cast<int>(dev)])
  {
    this->ClippingPlanes[static_cast<int>(dev)] = vtkSmartPointer<vtkPlane>::New();
  }

  if (this->CurrentRenderer != nullptr)
  {
    ForEachNonWidgetProp(this->CurrentRenderer,
      [this, dev](vtkProp* prop)
      {
        auto* actor = vtkActor::SafeDownCast(prop);
        if (actor)
        {
          auto* mapper = actor->GetMapper();
          if (mapper)
          {
            mapper->AddClippingPlane(this->ClippingPlanes[static_cast<int>(dev)]);
          }
          return;
        }
        auto* volume = vtkVolume::SafeDownCast(prop);
        if (volume)
        {
          auto* mapper = volume->GetMapper();
          if (mapper)
          {
            mapper->AddClippingPlane(this->ClippingPlanes[static_cast<int>(dev)]);
          }
          return;
        }
      });
  }
  else
  {
    vtkWarningMacro(<< "no current renderer on the interactor style.");
  }
}

//------------------------------------------------------------------------------
void vtkVRInteractorStyle::EndClip(vtkEventDataDevice3D* ed)