Hello Christian,
Christian Bar wrote:
> Hello everyone.
> It's not clear for me how you have to modify the params of
> the ProjectionCameraDecorator if you want to change the Fov...
> There is not a ->setFov() like the PerspectiveCamera, and if I change
> the fov in the PerspectiveCamera, it seems like ignored.
yes, the only thing from the underlying camera that gets used is its
position (given by the camera's beacon).
> It seems to me that there is some link with the surface I have to define
> if I want the ProjectionCameraDecorator to work: is it true? What is the
> math behind it?
the frustum that gets used for the projection is defined by the
rectangular surface and the user you specify. Imagine the surface as a
rectangle floating in space and the user a point in front of it, to get
the frustum draw lines from the user through the four corners of the
surface rectangle. The shape of the rectangle and the distance of the
user from that projection surface determine the field of view you get.
Cheers,
Carsten
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