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Question by YeeLuke · Apr 11, 2013 at 05:08 AM · 2dspritebackground

2D Sprite Background Rendering

Hi all, I made a bunch of 2d sprites for a small top down rpg game i'm going to start as a side project and I imported the sprites into Unity and it appears Unity renders the defaulted green background I used for the background of my sprite sheets. Is there a way I can simply remove this within Unity?

Thanks.

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avatar image YeeLuke · Apr 12, 2013 at 12:37 AM 0
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Help please D:

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Answer by robertbu · Apr 12, 2013 at 01:57 AM

In order to have transparency in Unity you need three things:

  1. An alpha channel on the texture you try to import with the alpha set appropriately for transparent areas.

  2. Import settings that preserve the Alpha channel. As a starting point, select the texture and in the Inspector set Texture Type to 'Advanced', and set Format to RGBA 32 Bit.

  3. A shader that supports transparency. As a starting point, you can try the Unlit/Transparent shader.

If the "green" background is there without the alpha channel set to 0, then you are better off writing a batch script in Photoshop to fix the problem.

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