Importing a model with Displacement, Normal, and Texture map

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Hello all,

I have recently made a model in zbrush, where I have generated a Displacement Map, Normal Map, and a Texture (color) map. I have imported this into 3ds max as well as maya, and they both render just fine. Now I want to import this into unity, however, I am stumped on how to get a displacement map working, let alone both a Displacement and Normal map working at the same time.

Does anyone have any ideas or advice for me?

EDIT: Upon importing from an FBX with embedded material (containing the displacement, normal, and texture maps), i'm getting the following error:

Texture import error [Assets/Imported/Objects/FBXOutEmbed.fbm/TorsoFBust_Final_2_DM.tif]: Texture import error: Assets/Imported/Objects/FBXOutEmbed.fbm/TorsoFBust_Final_2_DM.tif

The _DM file is the displacement map.

Cheers,

Unislash

Answer 1

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Answer by Justin Warner · Jan 27, 2011 at 12:29 AM

Make your own shader for the displacement map...

Most people use the normal map shader that Unity comes with as making shaders I believe can be tedious... Just my viewpoint.

But yea, look up shader lab for Unity on google, it'll come up with its documentation.

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Unislash · Jan 27, 2011 at 01:23 AM 0

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Yes, I was afraid of that. I will look up shaders and see what I can come up with. However, if anyone has managed to create a shader that incorporates displacement maps, or if anyone has more suggestions, don't hesitate to post them!

Unislash · Jan 27, 2011 at 01:32 AM 0

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I just managed to come across a forum post that mentions implementing a displacement map using shader lab. From what I gather, dreamora says that it's impossible to do. If you could, please check it out to see if he's simply stating that the current shaders don't support it, or that the entire shader engine doesn't:

http://forum.unity3d.com/threads/15549-Will-%28does%29-Unity-support-Displacement-Maps

Justin Warner · Jan 27, 2011 at 02:09 AM 0

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I think what they meant is, none of the current shaders support it... But I think if you can write one, it should be possible... I don't know what DX version Unity uses, but if it's DX10+ then it can be done.

Answer 2

Answer by kennypu · Jan 27, 2011 at 12:29 AM

I'm assuming displacement map is a height map? Look at different material shaders. for eg. Parallax Specular will allow you to set all 3 of those textures.

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Unislash · Jan 27, 2011 at 01:22 AM 0

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In my case, my displacement map does not work as a heightmap, but thanks for the suggestion :-).

Importing a model with Displacement, Normal, and Texture map

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