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I am working on a game, with a stylized, sort of 'flat' art style. The entire game takes place inside caves. As such I need to make a lot of, well... caves.

I didn't want to just do 'flat' meshs, sense that seems a bit bland. I tried modeling some rocks, then stretching and rotating them. But that started looking very messy. And taking a very long time.

Any ideas of a good way to make large, interesting looking cavern walls in a timely fashion (Also, can't require too much in the way of texturing.)?

I have looked for any ways to do it online, but was unable to find anything. The lack of direct light makes it harder as well because none of the faces of the model show up really. Same Model, with and without direct light. Same Model, with and without direct light.

And here is what I was trying that was no looking great. And here is what I was trying that was no looking great.

I was thinking of using rounder rocks (As shown in the comparison image). But as shown, they don't show up well in the lighting.

Edit: Here are some picture of what I mean when I say "Interesting". Hope this helps.

And here is a picture of a 'box out' of one of the caves. (Small brown square is 1x1x1 meters)

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  • $\begingroup$ "large, interesting looking cavern walls" may carry different meaning to different people. It would be helpful to add some reference images to your question so that people know what exactly your goal is. Otherwise this is a bit too broad as currently written. $\endgroup$
    – Timaroberts
    Commented Aug 16, 2018 at 0:00
  • $\begingroup$ Not a modeling point, but one thing your goal examples share is the use of 'pointiness' or inverted-normal AO shading to pick out the sharper edges in diffuse color, glossiness. $\endgroup$
    – Robin Betts ♦
    Commented Aug 16, 2018 at 9:01

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A possibility could be to use the cell fracture add-on for Blender.

Basically, the cell fracture tool can destruct an object into multiple ones, fracturing it into lots of pieces.

My idea: use it on a cube, and make the pieces fairly small. Run the simulation for a few frames, then delete all the chunks you wanted, leaving a nice cavernous interior. After that, use the Randomize Transform tool to add some more variation.

Once that's finished, all that's left is textures, materials, and lighting!

Good luck. ;-P

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