JDK-8116798 : Event local coordinates are wrong with perspective camera
  • Type: Bug
  • Component: javafx
  • Sub-Component: scenegraph
  • Affected Version: 8
  • Priority: P3
  • Status: Closed
  • Resolution: Fixed
  • Submitted: 2013-02-01
  • Updated: 2015-06-17
  • Resolved: 2013-02-18
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JDK 8
8Fixed
Related Reports
Relates :  
JDK-8124268 - [FX3D] Picking: MouseEvent not errase last result.
Relates :  
JDK-8123973 - Picking doesn't work with parallel camera where Z != 0
Relates :  
JDK-8091210 - 3D to 2D coordinates conversion API is needed
Relates :  
JDK-8101976 - Implement picking support for 3D primitives
Description
With a perspective camera, events delivered to any node that's not lying flat on the XY plane contain wrong local coordinates - they don't reflect the projection transformations.

Needed API changes:
Affected classes: MouseEvent, MouseDragEvent, DragEvent, GestureEvent, ContextMenuEvent, TouchPoint
Add methods getZ(), getPickResult()
Add PickResult to all their constructors

See https://wikis.oracle.com/display/OpenJDK/Picking3dAPI
Comments
Verified on 8.0b106
09-09-2013
The fix is now merged in the mainline.
18-02-2013
Unit Tests: javafx/scene/input/ContextMenuEventTest/shouldCompute3dCoordinates javafx/scene/input/ContextMenuEventTest/pickResultIsFromEventCoordinates javafx/scene/input/DragAndDropTest/shouldCompute3dCoordinates javafx/scene/input/DragAndDropTest/dragEventsHavePickResult javafx/scene/input/ScrollEventTest/shouldCompute3dCoordinates javafx/scene/input/ScrollEventTest/shouldContainPickResult javafx/scene/input/ZoomEventTest/shouldCompute3dCoordinates javafx/scene/input/ZoomEventTest/shouldContainPickResult javafx/scene/input/RotateEventTest/shouldCompute3dCoordinates javafx/scene/input/RotateEventTest/shouldContainPickResult javafx/scene/input/SwipeEventTest/shouldCompute3dCoordinates javafx/scene/input/SwipeEventTest/shouldContainPickResult javafx/scene/input/TouchEventTest/shouldCompute3dCoordinates javafx/scene/input/TouchEventTest/touchPointsShouldHaveCorrectPickResult javafx/scene/MouseTest3D/shouldPickRectWithPickRay javafx/scene/MouseTest3D/localCoordinatesShouldBeCorrectDuringBubbling javafx/scene/MouseTest3D/shouldPickRectRotatedIn3D javafx/scene/MouseTest3D/shouldReportCorrectPickResultForClick javafx/scene/MouseTest3D/shouldReportCorrectPickResultForEnteredExited javafx/scene/MouseTest3D/shouldReportCorrectPickResultForDragDetected javafx/scene/MouseTest3D/shouldReportCorrectPickResultDuringPDR javafx/scene/MouseTest3D/shouldReportCorrectPickResultForFullPDR
05-02-2013
Fixed by changesets f6854e1f4383 (rt) and 947f8681929c (rt-closed). Pushed to 3D sandbox, leaving the issue open until it's merged to the main repos.
04-02-2013