Chaos Corona for 3ds Max > [Max] Feature Requests

tile map on decals?

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jasond:
Tiling a decal would be great! I just had a use for it today, tire tracks. Ended up having to make a super long decal and manually tile it in the bitmap options. Tedious. Same for caution tape, I use it all the time on construction machinery. Workaround has been to create a plane, UVW map to the right size and set the proper tiling. Doesn't work well for non-flat objects though.

Aside from tiling a decal, would be great if you could mask it off, use corona slice or even the slice modifier on them. Use case > mask a length of tire tracks where a moving car hasn't been yet and reveal it as the car moves. I tried to create a moving mask with all three options mentioned as well as a corona distance tex but could not get any to work.

romullus:
I might sound like a broken record, but what's wrong with real-world mapping? Easy tiling decals just in couple clicks.


--- Quote from: jasond on 2024-04-10, 17:30:24 ---Aside from tiling a decal, would be great if you could mask it off, use corona slice or even the slice modifier on them. Use case > mask a length of tire tracks where a moving car hasn't been yet and reveal it as the car moves. I tried to create a moving mask with all three options mentioned as well as a corona distance tex but could not get any to work.

--- End quote ---

Even that is already achievable if you'd use triplanar and change its mapping source from local to world, or reference node space.


Edit: press on the picture if you want to see GIF

jasond:
Ah learn something new every day, thanks for that real world mapping tip / clip for tiling. I have it working now.

As for masking part of a decal, are you masking with another object / slicer or within the decal itself?

romullus:
The idea is, that you don't need to mask anything, if you'll set texture's mapping source to world, or reference node space, it will "stick" in place and you will be able to either move decal, or increase its length and this should create illusion of revealing new tyre tracks.

jasond:

--- Quote from: romullus on 2024-04-11, 16:41:21 ---The idea is, that you don't need to mask anything, if you'll set texture's mapping source to world, or reference node space, it will "stick" in place and you will be able to either move decal, or increase its length and this should create illusion of revealing new tyre tracks.

--- End quote ---

I see what you mean. Took a bit of trial and error to get triplanar to scale the map properly but it does work as you said. I could move the decal and it sticks but resize doesn't work for this case as the decal object resizes from the centre, not an edge, even when changing the pivot.

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