Time for action – give your hover tank a shine

Next, let's make the surface look more metallic and less plastic. Similar to the Specular color for plainly colored shiny materials, multimapped materials have a SpecularMap layer that defines varying degrees of shininess of the surface.

Using a graphic editor, you can create a specular map from an existing diffuse texture as follows:

  1. Copy the DiffuseMap tank_diffuse.jpg image as a template and save it as tank_specular.jpg.
  2. Desaturate the image (decrease contrast and brightness) so the whole map is evenly medium gray.
  3. Paint white and light gray over areas of the hover tank that you want to be smooth and shiny.
  4. Paint black and dark gray over dull, rough, worn-out areas of the hover tank.

The resulting

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