Re: Controling the pan property of overlayed nodes?

[James C. W. <jfc...@ya...>]

>I think this could be handled by adding a "click-through" 
>property to nodes that would allow you to make the background completely 
>transparent to the mouse - you could still make some areas react to the 
>mouse by covering them with a hotspot.
That's probably the simplist solution. Could you remind me where the feature request tracker is so I can add it? I also seem to remember being confused by the trackers interface, so if you could please let me know how to add a feature, I would be gratefull:) 
  For now, I'll see if I can paint the smudges and stuff at slightly less then half opactity. And if that's not sufficient, I'll stack nodes like you suggested.
 
Thanks,
  James
--- On Tue, 11/16/10, Christian Walther <cwa...@gm...> wrote:


From: Christian Walther <cwa...@gm...>
Subject: Re: Controling the pan property of overlayed nodes?
To: pip...@li...
Date: Tuesday, November 16, 2010, 2:30 PM


James C. Wilson wrote:
> I'm trying to make a binocular overlay, much like the telescope in the 
> pipmak demo, only the lenses are made to look smudged and cracked-that's 
> what's causing the problem.
> There are other possible uses-a simple flashlight, for example.

OK, I see. I think this could be handled by adding a "click-through" 
property to nodes that would allow you to make the background completely 
transparent to the mouse - you could still make some areas react to the 
mouse by covering them with a hotspot. Or perhaps, more generally, a 
threshold above which alpha value the background should become opaque to 
the mouse - setting that to 1.0 (currently hardcoded at 0.5) would 
achieve the same thing.

How far above half opaque do you need to go? It occurs to me that, as a 
workaround, you could approximate the effect by stacking several 
almost-half-opaque overlays.

  -Christian


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