UV mapping

Artwork Works in Progress
1

Hello!

I’m working on this model for a game, think that I’m finished with the actual model, and it just needs som UV-mapping now.

I know the basics about UV-mapping, read som tutorials, but they only include info about how to unwrap basic objects…

So could someone help/guide me how to unwrap it in a professional way, and/or maybe give some other advices on something I could change on the model?

Blend-file:
http://rapidshare.com/files/26345935/Health_Pack.blend.html

Thanks!

2

Hmm, this thread should probaly be in the Support / Texturing & Lighting… Could someone move it over there?

So sorry :slight_smile:

3

Hi,

I’ve taken a look at your model - nice work, here are some hints:

  • You should consider to include the crosses into the texture but get rid of them from the mesh. They cost a lot of polygons but do not contribute substantially to the shape. Paint them with a color- and bump-map and they will stand out sufficiently.
  • To unwrap mechanical objects, the option “Follow active (quads)” from the unwrap menu (key U) is very useful.Regards
4

Are you going to be using this in the blender game engine?. I’d start with BB’s suggestion. Then you need to decide how diverse you want the texture to be. I would use texture space for one of the sides and the top of the med box and then just apply them to all the faces. To unwrap this I would hit ‘1’ to get to front view then go into uv mode and open up a uv/image editor. Then hit ‘u’ and select from perspective then hit 7 and do the same. Then place them how ever you like of the UV/image editor.be sure to only get two of the 4 little triangles in the corners.

5

Thanks for your answeres

This model is not ment for Blenders Game Engine, I’m making it for Darkplaces (http://icculus.org/twilight/darkplaces/) a Quake-engine with alot of advanced features… :slight_smile:

Don’t you think that the crosses will add anything that you can see ingame?
There is alot of shadows and stuff in Darkplaces, so I thought it would look nice with some extra details to the mesh.
But I could add them (the crosses) to the normal-map I have for the mesh.
Link to pic on the normal-map: http://xs.to/xs.php?h=xs114&d=07162&f=Normal_map.jpg
It’s just a renderer of the normal-map for the top of the box, hope that you see how it shall fit.

And as with the UV-mapping, I tried “Follow Active (quads)” but I diden’t get any resault that were good with it, proably it’s just me that just can’t handle it. :slight_smile:
I tried the “Project from view” and I think that it came out well…
This is how the UV-map look right now: http://xs.to/xs.php?h=xs114&d=07162&f=UVtest.jpg
Just gonna do the things I have written on the image…

Thanks again :S

6

Hi,

“follow active” does work a bit unusual: You don’t get an entirely fresh UV_map, but the unwrapper starts with your active quad (=last selected) and unwrapps faceloops outwards. Try with a cube, then it’ll become obvious.

This means you’ll need one properly projected quad to begin with and not too many triangles, because they’ll terminate faceloops. When I tried unwrapping without the crosses, the results turned out OK (see screenshot). Since you have a normalmap, include the crosses there and be done with! :eyebrowlift:

Regards

Attachments

Screen02.jpg583×616 88 KB

7

Ah ok now I understand how it works. :slight_smile:
But I think that I will go for the Project From View-way because this one don’t add the details where I want them, when it’s time to texture it… But it will look more diverse especially on the sides with Follow Active since I merge all the sides into one on that one to get the most pixels for the texture. :S
But it is always great to learn new things!

And maybe I should include the crosses in the UV since it will reduce the polys alot.
But that ain’t my biggest problem at the moment, I can’t handle the md3-exporter ( http://xreal.sourceforge.net/xrealwiki/BlenderExportMD3 ), the game dosen’t find the texture for the model, but I can see the model ingame…

Thank you.