[Bf-funboard] Texture bombing

[Hadrien Brissaud]

Worth investigating, I am not familiar with dynamic paint, will update on
this. Thanks.

On 27 July 2015 at 16:42, <mond at email.cz> wrote:

> Maybe I missed the point, but isn't it already possible with Dynamic paint
> and particle system?
> From your video it seems to me as the same system.
>
>
>
>
>
>
> ---------- Původní zpráva ----------
> Od: Lukas Stockner <lukas.stockner at freenet.de>
> Komu: Discuss Blender's functionality. <bf-funboard at blender.org>
> Datum: 25. 7. 2015 17:59:45
> Předmět: Re: [Bf-funboard] Texture bombing
>
> "This should be possible with OSL: Create a set of points around your
> sample
> point (of course, it must always be the same ones, so an approach would be
> stratification based on a hash function, like it's done for Voronoi cells),
> calculate the difference of the sample point and each random point, look up
> these values in the texture and sum them together. Of course there are
> implementation details to be considered, but with a bit of tweaking it
> should
> work.
>
> On Sa., Juli 25, 2015 at 5:12 nachm., Knapp < magick.crow at gmail.com
> [magick.crow at gmail.com] > wrote:
> Has anyone done anything with this yet?
>
> On Mon, Jul 13, 2015 at 4:17 PM, Adam Preisler <adam at preisler.me> wrote:
>
> > Hi Hadrien,
> >
> > Great idea!
> >
> > I myself do this by mixRGBing 2 or more textures using noise input (like
> > CarlG stated in the thread); but this is probably the workaround you
> talk
> > about?
> >
> > Hopefully this can be done in code as it would allow this tedious task
> to
> > be done rather automatically.
> >
> > It would be perfect to come up with multiple uses of such feature rather
> > than just this one though; more uses = bigger impact.
> >
> > Keep up the good ideas,
> >
> > adam.preisler.me
> >
> > On 13 July 2015 at 15:56, Hadrien Brissaud <hadriscus at gmail.com> wrote:
> >
> > > Hey everyone,
> > >
> > > recently I tried to "texture bomb" an object - basically repeat x
> number
> > of
> > > times a texture in uv space with random coordinates to imitate the
> look
> > of
> > > playdough covered with fingerprints (one fingerprint texture->
> infinite
> > > variations in size, orientation and distribution). I got some good
> help
> > on
> > > BA but the solution provided by Secrop was not ideal since the voronoi
> > > cells used for distribution actually cropped the pattern's borders and
> > > would not overlap... now I fiddled with their node setup, but I admit
> it
> > > was (and still is) over my head.
> > > So I thought, having a builtin texture bombing node would be rather
> > handy.
> > > Thoughts ?
> > >
> > > Thread in question :
> > >
> > >
> >
> http://blenderartists.org/forum/showthread.php?373685-How-to-repeat-a-
> pattern-on-a-surface
> > >
> > > Two links given by JA12 for reference :
> > > http://http.developer.nvidia.com/GPUGems/gpugems_ch20.html
> > > https://vimeo.com/67931800
> > >
> > > Hadrien
> > > _______________________________________________
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> > > Bf-funboard at blender.org
> > > http://lists.blender.org/mailman/listinfo/bf-funboard
> > >
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> >
>
>
>
> --
> Douglas E Knapp
>
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