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Question by S1oven · Jan 29, 2015 at 08:23 PM · 2dshaderspritealphatop down

Custom shader of sprite results in black alpha.

I want to implement the highlighting of sprite with custom shader in my 2d top-down game. I'd downloaded a few from internet and tried to play with them but faced insurmountable issue. My transparent part of sprite become black for any custom shader. Here is what I mean:

default shader: Sprite\Default

alt text

custom shader: Custom/Grayscale

alt text

I tried about 5 different shaders, but result is the same. Is Anybody know whether the problem is in shader or maybe it is in my sprite sheet?

sprite.jpg (6.3 kB)
sprite-gray.jpg (6.5 kB)
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avatar image S1oven · Feb 10, 2015 at 08:50 PM 0
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I've find out. The problem is in shaders. Solve it by adding commands in SubShader part:

Cull Off Lighting Off ZWrite Off Fog { $$anonymous$$ode Off } Blend SrcAlpha One$$anonymous$$inusSrcAlpha

avatar image smoggach · Feb 10, 2015 at 09:34 PM 0
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When writing shaders for sprites it's always a good idea to start from the Sprites/Default shader.

http://unity3d.com/unity/download/archive

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