Maybe you could set ownCanvas to true, or in Away3dLite, set a layer to be rendered, and mask only the portion you want. You -could- apply the video as a texture. But that would be an unnecessary performance hog, and in this case the uvs would have to change according to the angle you're facing.
2010/2/4 Scott <[email protected]> > Ah, I see. So a 2D mask over the whole thing. I think that could work > if everything was always in the box, but if I needed things to emerge > the masking would get really complicated. > > I'm still kind of surprised that there's not a way to do it with > materials. I've done something like this in Cinema4D by applying the a > background movie as a material to an object that I wanted to be > invisible, but still catch shadows. I wonder if I could do something > similar here? > > Thank you for your input on this. > > > On Feb 3, 5:26 pm, Cauê Waneck <[email protected]> wrote: > > Scott, > > > > here< > http://www.flartoolkitdocs.org/FAQ/getting-the-screen-coordinates-of-...> > > you > > will see how to get the screen coordinates out of the detector. > > > > For each frame, you should try something like this: > > > > mask.graphics.clear(); > > var i:int, sq:FLARSquare = detector.getSquare (); > > mask.graphics.beginFill(0); > > mask.graphics.moveTo(sq.sqvertex[0].x, sq.sqvertex[0].y); > > mask.graphics.lineTo(sq.sqvertex[1].x, sq.sqvertex[1].y); > > mask.graphics.lineTo(sq.sqvertex[2].x, sq.sqvertex[2].y); > > mask.graphics.lineTo(sq.sqvertex[3].x, sq.sqvertex[3].y); > > mask.graphics.endFill(); > > > > that -could- do... but it's completely untested ! :) .. Also maybe you > will > > have to determine if two points will determine a side of the rectangle or > a > > diagonal! > > > > cheers > > Cauê > > > > 2010/2/3 Scott <[email protected]> > > > > > > > > > That would be great if I knew how to do that. :-) > > > > > Could you give me a hint on where to start looking? > > > > > On Feb 3, 3:03 pm, Cauê Waneck <[email protected]> wrote: > > > > Scott, wouldn't it be better to put a mask that changes according to > FLAR > > > > points' position? > > > > > > 2010/2/3 Scott <[email protected]> > > > > > > > Apologies if this has been covered, but I'm not quite sure how to > > > > > phrase the question. > > > > > > > I'm trying to achieve an effect similar to this: > > > > > > >http://www.youtube.com/watch?v=TW6_X9qBeds > > > > > > > I have 5 planes arranged to give the appearance of a cube recessed > > > > > inside of an AR pattern. For the effect to be believable, the > outside > > > > > of the cube has to be invisible. However, I can't just use > transparent > > > > > materials on the backs because then you can see the inside of the > > > > > cube. > > > > > > > I guess what I'm looking for is a back-side material that is > > > > > invisible, but does not offer a transparent view into the cube. >
