How can I get one texture to cross two different peices of geoemtry?

[jeremybirn]

There's no need to do anything one object at a time. You can select them all, assign a carpaint shader to them, assign the File image as a projection, and project the logo over all of them at once. The Fit To Group BBox function will work for all of them if the shader is assigned to all of them.

-jeremy

[Sphere♥]

It's all controlled with UVs. For a simple example, if you CreateUVs with a Planar Mapping and you use the same Projection Attributes for multiple objects, they will all share the same global texture space (assuming they have the same material).

Edit: what Jeremy said... :D

[mattock]

thats great, thanks:)
So if i create my base paint texture and apply that first, then i create my logo graphics with an alpha channel, then select all the peices and project this logo in one go?

Ive never done projecting like this before, only to create uv's with planar, spherical etc

[Emil3d]

If you intend to use 2 textures layered on top of each other, you will need to use either a layered texture node or the stencil utility node to do this. You may also need 2 UV sets - one for each texture if textures require different UV layouts or texture projection methods.

[jeremybirn]

To make things as simple as possible, you could create your logo texture map with the paint color as the background color. That way you don't need alpha channels or layering. If you need other effects like sparkles, you could use a separate map on the material's specular color, and leave it as just one color map for the main paint and logo. Don't forget to change the file texture's default color to the paint color as well, for the areas outside of where you place the projection.

-jeremy

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