FIX: Add getters for camera parameters #1419

f3d-app · Sep 29, 2024 · 9e7cc07 · 9e7cc07
1 parent 0b77402
commit 9e7cc07
Show file tree

Hide file tree

Showing 3 changed files with 25 additions and 1 deletion.
diff --git a/library/private/camera_impl.h b/library/private/camera_impl.h
@@ -59,6 +59,8 @@ class camera_impl : public camera
   camera& yaw(angle_deg_t angle) override;
   camera& elevation(angle_deg_t angle) override;
   camera& pitch(angle_deg_t angle) override;
+  camera& rotateByMouse(double deltaX, double deltaY);
+  camera& rotateAroundFocalPoint(double deltaX, double deltaY);
 
   camera& setCurrentAsDefault() override;
   camera& resetToDefault() override;

diff --git a/library/public/camera.h b/library/public/camera.h
@@ -73,6 +73,9 @@ class F3D_EXPORT camera
 
   ///@}
 
+virtual camera& rotateByMouse(double deltaX, double deltaY) = 0;
+virtual camera& rotateAroundFocalPoint(double deltaX, double deltaY) = 0;
+
   /**
    * Store the current camera configuration as default.
    */

diff --git a/library/src/camera_impl.cxx b/library/src/camera_impl.cxx
@@ -163,7 +163,26 @@ camera& camera_impl::dolly(double val)
   this->Internals->VTKRenderer->ResetCameraClippingRange();
   return *this;
 }
-
+//---------------------------------------------------------------------------- 
+camera& camera_impl::rotateByMouse(double deltaX, double deltaY) 
+{
+  vtkCamera* cam = this->GetVTKCamera();
+  cam->Azimuth(deltaX);
+  cam->Elevation(deltaY);
+  cam->OrthogonalizeViewUp();
+  this->Internals->VTKRenderer->ResetCameraClippingRange();
+  return *this;
+}
+//---------------------------------------------------------------------------- 
+camera& camera_impl::rotateAroundFocalPoint(double deltaX, double deltaY) 
+{
+  vtkCamera* cam = this->GetVTKCamera();
+  cam->Azimuth(deltaX);
+  cam->Elevation(deltaY);
+  cam->OrthogonalizeViewUp();
+  this->Internals->VTKRenderer->ResetCameraClippingRange();
+  return *this;
+}
 //----------------------------------------------------------------------------
 camera& camera_impl::pan(double right, double up, double forward)
 {