I start again (it became a mess).

Simply put, I'd like to sculpt with a custom brush on this level.

enter image description here

Problem is, it will be too high poly.

So what I'd like, is the following shape DECIMATED, with the normal map baked on it, and use that as a sculpting brush, and sculpt that details on the level in picture 1.

Just like a texture, but low poly AND with normal map on it.

enter image description here

But I just can sculpt the texture, in high poly, or just paint with the normal map, in 2D. I'd like both of the informations combined : lowpoly + its' normal map, in one sculpt brush.

Any other solution welcome.

Edit :

I followed your instructions, but it leaves me with a simple normal map that will sculpt high details.

In fact, I want to sculpt low details (decimated) but have a superposition of normal map that will give the high detail, without poly counts. All of this in a sculpt brush. It seems it's not possible then.

(htt ps://i.sstatic.net/ExyMo.png)

(htt ps://i.sstatic.net/RGni7.png)


1 Answer 1


You got a very interesting problem to solve. You could bake normal map from high poly,sculpted chunk of terrain to a texture,and then use this texture as a brush in texture painting mode to paint onto a terrain texture and save it as a normal map for the terrain.enter image description here

To to that, You have to have new image texture active in material of a UV mapped plane. Place this plane above high poly terrain, turn on Selected to active in Bake options panel, select first high poly terrain, and then the plane and hit Bake - that's all you have to in general do. But here is more detailed tutorial on the topic

  • $\begingroup$ Edited the post. Basically I can't find the way to bake the terrain to a texture. Neither I can't find any tutorial about that precisely. $\endgroup$
    – Sev Puch
    Commented Oct 16, 2016 at 12:32
  • $\begingroup$ I updated the answer with new info. Check the tutorial to get detailed description of what you should do. $\endgroup$
    – Mzidare
    Commented Oct 16, 2016 at 13:30
  • $\begingroup$ I followed the tutorial but couldn't get it right, I hope my mesh isn't corrupted or what... $\endgroup$
    – Sev Puch
    Commented Oct 16, 2016 at 19:31
  • $\begingroup$ Plus when I've got that mesh lowpolyed, how to use it as a brush? Should use the UV as a texture in the sculpt brush? I feel like I just opened Pandora's box haha. $\endgroup$
    – Sev Puch
    Commented Oct 16, 2016 at 19:33
  • $\begingroup$ If you couldn't get it right, try first with something easier to get confidence with this skill. I suggest you to add a plane to an empty scene, subdivide it, use sculpting or proportional editing to make bumps on it, then add another plane to the scene.Unwrap second plane, add material with new image texture to it and try to bake normals from the bumpy one.After you manage to bake the normalmap, you will have image with normal map on it to use as a brush. $\endgroup$
    – Mzidare
    Commented Oct 16, 2016 at 19:49

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