Texture Tutorial: Alpha to black

#5
I just want to encourage everyone to put in the extra effort to get your black silhouettes perfect, and make sure there are no holes.

The silhouettes will look a lot better than many contemporary video games with \<span> site blocked, contact your administrator and sooner or later I am going to get around to hand coding a true 2D antialiasing filter for the alpha channel that best as I can figure should remove 90% or more of the bumpiness so that the edges will appear to be perfectly cut out not matter how close to them you get. I've never seen that even in a corporate game or demo.

If you really wanted to there is a way to do that already if you make your own texture and substitute it in for the one in the TXR/MDL files. You just need to find an imaging suite that can do it. Probably one of Adobe's would be the place to start looking (GIMP's AA filter is just a stupid kernel)


EDITED: It's impossible to find any information online about the kind of AA that is needed to make this work, because its such a special case, and its dwarfed by all the discussion of AA in video games. I don't even know if there is a section of Wikipedia for it.

But what's called for is really simple. You just need to take a length of pixels like ______| ‎  and gradually amp up the alpha channel until the next step up. That would allow for a perfect contour in the cutouts (which would be an impressive effect, that I think would even embarrass the bigwig game companies)
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Messages In This Thread
Texture Tutorial: Alpha to black - by Verdite - 2011-03-27, 02:16 AM
Re: Texture Tutorial: Alpha to black - by Verdite - 2011-03-27, 02:35 AM
Re: Texture Tutorial: Alpha to black - by HwitVlf - 2011-03-27, 11:27 PM
Re: Texture Tutorial: Alpha to black - by Verdite - 2013-05-24, 02:17 PM
Re: Texture Tutorial: Alpha to black - by HolyDiver - 2013-05-24, 08:20 PM
Re: Texture Tutorial: Alpha to black - by HwitVlf - 2013-05-24, 09:25 PM
Re: Texture Tutorial: Alpha to black - by Verdite - 2013-08-13, 04:09 PM
Re: Texture Tutorial: Alpha to black - by Verdite - 2013-08-13, 10:25 PM



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