And one more question, slightly connected with previous, about Mouse
Wheel event.
I have a one View3D in which I have some objects textured with
MovieMaterial and they have some mouse interactions. But I also need
to cover some of these objects by a graphic, in the same 3D space. I
have tried to put some Planes on the same place in the same View3D but
they have rendered only partially (they were crossing with objects
under them) even when distance between them was quite big.

I know this problem from Papervision3D so I tried to do it another
way. I have created a duplicate View3D, with camera that in each frame
behaves like camera in first View3D. And I have put it on higher layer
in my display hierarchy. And everything looks quite good, but I can't
disable mouse interactions on this higher View3D. I have tried
everything I could find on View3D (mouseEvents=false) and the Plane
object itself (mouseEnabled=false). But still interactions from
MovieMaterial which is below aren't working.

I have made a quick solution - I listen for events on higher layer and
dispatch them to the layer below. But it only partially satisfies me.
And one of the purposes is the lack of Mouse Wheel event support.

Have anybody some idea, what could I do in such case?

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