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Question by i ConnE · Jul 16, 2010 at 05:08 PM · shaderblender

Blender bumping method

Can i import Blender's bump method in Unity trough a script ?ex. based on a single texture(RGB) and a slider that adjust the bumpingnes affected by the light or idk im new in all this, because bumped shaders dont work on my computer. A script example would be very helpful or how to do it .

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Answer by Julian-Glenn · Jul 17, 2010 at 01:15 PM

Sounds like you are trying to use an internal shader from Blender. Bump Mapping in Unity is accomplished using the Bumped Diffuse shader where you then specify a Normal Map for the Bumpmap texture slot. Normal maps can be created using the Nvidia plugin for photoshop, or using Unity's built in Normal map converter which is explained in the first link above.

If you mean to create a custom .shader from the Blender internal shader code,..that is beyond my scope.

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avatar image i ConnE · Jul 17, 2010 at 04:04 PM 0
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I mean to create a custom .shader... because Bump $$anonymous$$apping dont work on my GPU(I am very shure about that) but anyway thanx for answer

avatar image Julian-Glenn · Jul 17, 2010 at 06:27 PM 0
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O$$anonymous$$. Even with a custom shader you would still need the bump to be defined by the Unity engine - which uses normal maps encoded as RGB. You could assign a bump in the shader and just hope it look's ok until you can test it on a machine with a newer GPU? Bit of a drag to work in the dark like that though. Best of luck with your project, /cheers

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