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Question by Vampiressae · Feb 02, 2015 at 10:50 AM · shaderalpha

Shader with separate UV's for diffuse and alpha textures

Hello

I'd like to use a shader that allows to have separate UV's for its diffuse and alpha channel.

The scenario is this: I have a tile, I'd like to use a specific area of a texture as diffuse and another specific are (not the same UV) of another (or same) texture as alpha. How is this achievable?

Thanks in advance!

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Answer by DominoOne · Feb 17, 2015 at 11:00 AM

Hi Vampiressae,

You can make a shader with an additional Texture Property (and Combine it separately in the shader). There is a detailed explanation here:

http://answers.unity3d.com/questions/64418/getting-alpha-in-a-separate-map-from-color-so-i-ca.html

However, since a lot of people are having this problem and still don't achieve much flexibility even if they make their own shader, we've made a plugin that provides a very easy-to-use way to handle Alpha Masks. You can check it out here:

https://assetstore.unity.com/packages/tools/sprite-management/alpha-mask-ui-sprites-quads-29764?aid=1101l3r5C

Hope it helps!

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