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Mesh decals, how to combine normal maps ?

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    Mesh decals, how to combine normal maps ?

    Hello!

    Is it possible to "Combine" normal maps from a mesh decal to the backgroung mesh ?
    I mean by "Combine" the normal mixing fusion mode without using the opacity mask.

    I want to stay simple and just use a normal map texture for my decals.

    That's how I make my scene assets and the result I get,

    Click image for larger version

Name:	meshDecals_normalCombine.jpg
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    Click image for larger version

Name:	meshDecals_normalCombine.gif
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ID:	1513188

    Thanks for your's lights !

    Cheers, Walter

    #2
    You mean like this http://www.jackcaron.com/techart/201...ormal-blending ?

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      #3
      Yes, fusion mode like this.

      Comment


        #4
        The link was a tutorial on how to do this.

        Comment


          #5
          If I understand correctly this technique, I must have only one object with 2 UV sets.
          And I think I'm losing the flexibility of using decals.
          (In my exemple, I have 2 separate objects)

          In this case, I think is less restrictive to generate an opacity map for the decal texture,
          I want to keep the production as simple as possible.

          But your link is usefull, thanks
          Last edited by walter_v; 08-09-2018, 05:39 AM.

          Comment


            #6
            Hmm, I see the problem you have. Yes, if you make an opacity map to just show only the chipped normal map and the rest to be invisible is best.

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