POV-Ray : Newsgroups : povray.binaries.images : New brick wall project (WIP) : Re: New brick wall project (WIP) Server Time
7 Jul 2022 03:54:57 EDT (-0400)
  Re: New brick wall project (WIP)  
From: Alain Martel
Date: 20 Apr 2022 12:00:57
Message: <62602e39$1@news.povray.org>
Le 2022-04-19 à 16:09, Chris R a écrit :
> I'm starting a new project with an exterior brick wall, using code I developed
> for a previous interior brick wall project that I posted here a while ago.  This
> time, I wanted to try applying some graffiti to the wall and have been playing
> around with some methods.
> This one worked particularly well, (IMHO).  As of now, the material for the wall
> consists of 5 layers:
> 1.  A brick pattern method that I borrowed for the basic variant brick colors.
> 2.  A bozo layer to add some soot to the wall, in general
> 3.  A gradient layer to add some thick dirt to the bottom of the wall, (not
> visible in the attached image)
> 4.  An object-pattern layer using a cylinder to put the red "circle" in the
> middle
> 5.  An object-pattern layer using text to put the R.I.P. text on the wall.
> Since these are done as texture layers, the rough texture of the brick shape
> applies to everything, which is nice.  For the two object-pattern layers, I
> added some warp { turbulence } to each so they edges would look irregular, like
> they were spray-painted free-hand, and a fairly large omega to spread thinly.
> I'm assuming if I needed the graffiti to have a different finish, as if it were
> newly applied and still had a sheen to it, I would have to make an even more
> complicated nested set of object-pattern textures instead.
> -- Chris R.

As it is, the RIP looks like it have been pressure washed to show the 
clean bricks.

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