POV-Ray : Newsgroups : povray.binaries.images : First attempt WIP: Torch (4.25k) : Re: First attempt WIP: Torch (4.25k) Server Time
1 Oct 2024 20:20:44 EDT (-0400)
  Re: First attempt WIP: Torch (4.25k)  
From: ryan constantine
Date: 21 Jul 2000 16:15:12
Message: <3978AF16.E509C6B9@yahoo.com>
i'm sorry, but i have to agree with bob.  there is enough good fire out
there to start from.  i think some even came with the povray
distribution.  better luck on your second try.  and don't feel too bad,
i think texture making is the most time-consuming part of pov :)

Bob Hughes wrote:
> 
> Yikes!  Mind if I say that this is really bad?  :-)
> The problem is the mixture of yellow and blue going on all over inside that
> flame.  You'll need to do a density_map method which separates the parts
> out, perhaps using a gradient y pattern for the overall spread of the
> density parts from bottom to top, with each of the contributing densities
> being patterns of their own.  Example:
> 
>  #declare D1=
> density {wrinkles density_map {[0 rgb <1,.5,0>][1 rgb <.5,.25,0>]}
> sine_wave}
>  #declare D2=
> density {wrinkles density_map {[0 rgb <1,1,0>][1 rgb <.5,.5,0>]} sine_wave}
>  #declare D3=
> density {wrinkles density_map {[0 rgb <0,0,0>][1 rgb <0,0,1>]} sine_wave}
> 
>  density {gradient y density_map {
>   [0 D1] [.5 D2] [1 D3]
>  }}
> 
> Not of any help doing this in Moray, sorry. Maybe it will show what I mean
> though.  Finally put the complete thing into it's spherical shape.
> 
> Bob


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