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alpha maps as a separate file...
ok as far as I've read, i havent found an answer yet suitable for what I need. I have a tree texture map that I need an alpha channel for. In maya I can use a separate file for the black and white transparency but in Unity it doesn't work. HOW do I use a separate file for alpha channel?
okay, so I found this THIS but I followed it to the letter and got bupkis. I still get the stupid color around my tree, the transparency WONT WOR$$anonymous$$! I have the alpha channel set up with the selection and everything. WHy the heck is it SO HARD to get a freakin transparency set up? this is ridiculous....
If you actually followed that, then it would have worked fine, because that's essentially what I do (though I use the Fla$$anonymous$$g Pear Solidify filter rather than the AlphaUtility actions, which accomplishes basically the same thing) and there are no issues. It's really not that hard.
Answer by Eric5h5 · Nov 19, 2012 at 06:39 AM
You don't, you just put the alpha map in the alpha channel (using Photoshop or whatever). Although technically you can write a shader that uses a separate texture for alpha, but there's no reason to, and a good reason not to (namely less memory usage).
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