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texturing.md

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Texturing

UV unwrapping

References:

Time-saver: Smart UV Project does wonders for some meshes, mostly when there are no rounded parts on it.

Checkerboard

It is useful to check that the UV unwrapping does not result in too much stretching of the texture using a checkerboard texture.

To activate:

  • Click on the circle button on the right-hand side of principled shader's Base color field.
  • Select Checker texture.
  • adjust scale as suitable.

Alternative:

  • In the image editor, create new image, selecting UV Grid Generated type option.
  • Edit the material to use the new image instead of Base color.

UV stretch check

In the UV image editor's side View menu, activate Stretch overlay in order to see a heat map of the stretching.

Sculpt details and bake them into normals

Reference: Anvil tutorial.

Apply different materials to different parts of a mesh

Straight split

In case different portions of the mesh need to be applied a different material, create two materials, and click on "assign" with the relevant portion of the mesh selected in edit mode.

gradual material shift

More often, it is desirable to have a managed transition between both materials, or to get a mix between both (think: rust over metal).

In this case, a mix shader should combine both materials, using either noise + colorRamp or texture paint should be used as a masking factor.

Reference: Anvil tutorial - Texturing part 2.

Dynamic paint

Feature overview by CG Cookie.