Apply ProjectionDirection property when SceneView size changed

SceneView's internal calculation need to be changed
if camera's whether projection direction is VERTICAL or HORIZONTAL.

Change-Id: I270ddaa0ab3e052155bed2871b42ebfdfa1d32ac
Signed-off-by: Eunki, Hong <eunkiki.hong@samsung.com>

diff --git a/dali-scene3d/internal/controls/scene-view/scene-view-impl.cpp b/dali-scene3d/internal/controls/scene-view/scene-view-impl.cpp
index 2f3fbf3..593daf0 100644 (file)
--- a/dali-scene3d/internal/controls/scene-view/scene-view-impl.cpp
+++ b/dali-scene3d/internal/controls/scene-view/scene-view-impl.cpp
@@ -374,12 +374,19 @@ void SceneView::UpdateRenderTask()
     Vector3     size        = Self().GetProperty<Vector3>(Dali::Actor::Property::SIZE);
     const float aspectRatio = size.width / size.height;
     mSelectedCamera.SetAspectRatio(aspectRatio);
-    const float halfHeight                                              = mSelectedCamera[Dali::CameraActor::Property::TOP_PLANE_DISTANCE];
-    const float halfWidth                                               = aspectRatio * halfHeight;
+    const bool projectionVertical = mSelectedCamera.GetProperty<int>(Dali::DevelCameraActor::Property::PROJECTION_DIRECTION) == Dali::DevelCameraActor::VERTICAL;
+
+    // if projectionVertical, Top / Bottom is +-ve to keep consistency with orthographic values
+    // else, Left / Right is +-ve to keep consistency with orthographic values
+    const float orthographicSize = DALI_LIKELY(projectionVertical) ? mSelectedCamera[Dali::CameraActor::Property::TOP_PLANE_DISTANCE] : mSelectedCamera[Dali::CameraActor::Property::RIGHT_PLANE_DISTANCE];
+    const float halfHeight       = DALI_LIKELY(projectionVertical) ? orthographicSize : orthographicSize / aspectRatio;
+    const float halfWidth        = DALI_LIKELY(projectionVertical) ? orthographicSize * aspectRatio : orthographicSize;
+
     mSelectedCamera[Dali::CameraActor::Property::LEFT_PLANE_DISTANCE]   = -halfWidth;
     mSelectedCamera[Dali::CameraActor::Property::RIGHT_PLANE_DISTANCE]  = halfWidth;
-    mSelectedCamera[Dali::CameraActor::Property::TOP_PLANE_DISTANCE]    = halfHeight;  // Top is +ve to keep consistency with orthographic values
-    mSelectedCamera[Dali::CameraActor::Property::BOTTOM_PLANE_DISTANCE] = -halfHeight; // Bottom is -ve to keep consistency with orthographic values
+    mSelectedCamera[Dali::CameraActor::Property::TOP_PLANE_DISTANCE]    = halfHeight;
+    mSelectedCamera[Dali::CameraActor::Property::BOTTOM_PLANE_DISTANCE] = -halfHeight;
+
     if(mUseFrameBuffer)
     {
       Dali::FrameBuffer currentFrameBuffer = mRenderTask.GetFrameBuffer();