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Pardot Keynes
Aelurophilic Anadelph
Join date: 16 Apr 2006
Posts: 4
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06-05-2006 18:06
Hi all...
I'm trying to achieve a difficult shape. I want to make a triangle, but with a concave hypotenuse (long side). I figured the easiest way to do this would be to have a square, and cover up the part I don't want with a transparent circle. Unfortunately, it didn't work as the transparent circle showed the entire square behind it, instead of "erasing" the part I didn't want, as an invisiprim does to an avatar. Does anyone know a way to make a shape like this? I've tried doing a square with a circular hollow, cut so one corner is left, but it doesn't leave the pointy corners like a real triangle, which is what I want.
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Ghoti Nyak
καλλιστι
Join date: 7 Aug 2004
Posts: 2,078
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06-05-2006 20:44
Sent you something in-world. Not sure if that's what you mean. 
_____________________
"Sometimes I believe that this less material life is our truer life, and that our vain presence on the terraqueous globe is itself the secondary or merely virtual phenomenon." ~ H.P. Lovecraft
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Neouka Splash
Professional Orca
Join date: 18 Feb 2006
Posts: 1
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06-10-2006 19:14
hehe, oddly enough, I stumbled across this same issue a few days ago. Lemme know if you've found a solution?
I'm convinced it's impossible.
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Aodhan McDunnough
Gearhead
Join date: 29 Mar 2006
Posts: 1,518
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06-10-2006 19:29
Your circle transparency might not have been in the correct format. It sounds like you used a normal targa graphic with transparency instead of a targa graphic with a separate alpha channel (32 bit targa).
You have to put the transparency information in the 4th channel (alpha channel).
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Pardot Keynes
Aelurophilic Anadelph
Join date: 16 Apr 2006
Posts: 4
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06-11-2006 07:43
actually it was a transparent texture with the transparency slider at 0. the texture itself was already transparent, I think that's what you mean by the 32bit tga.
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Pardot Keynes
Aelurophilic Anadelph
Join date: 16 Apr 2006
Posts: 4
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w00t!!! I did it!
06-11-2006 08:04
Problem solved folks!  I figured out how to get the shape I want: a right-triangle with a concave hypotenuse (long edge). If you want to come see what I mean, do a Find for Warmed Ink and tp to the shop. It'll be out on the porch. Take a square (I set mine to 1x1x.01 for ease) and set the transparency to 1. Rez a cylinder over it, set it to 1x1x.03 and give it the same position coordinates as the square. Then just put an invisi-prim script into the cylinder and watch as the center of the square disappears. To get one corner cut out to be the triangle cut the square at B.375 and E.625, and cut the circle at E.250 to leave just the triangle ^_^. (alternately you can cut the circle to the 1/4 shape, and resize the square to fit behind it... either way works ^_^) I figured out this way of doing it by remembering my one complaint with invisi-prims: they tend to not only block avatars, but they also block any prim with a non-zero transparency. By setting the square to a transparency of 1, it's still basically solid-looking, but the invisiprim will erase it anyway. ::bows:: |