POV-Ray : Newsgroups : povray.binaries.images : Lensflare : Re: Lensflare Server Time
9 Aug 2024 01:22:31 EDT (-0400)
  Re: Lensflare  
From: Zeger Knaepen
Date: 19 May 2005 14:05:12
Message: <428cd558$1@news.povray.org>
"Slime" <fak### [at] emailaddress> wrote in message news:428ccfee$1@news.povray.org...
> > only problem now: Additive_Blend(Color, 1, 0) on a given background-color,
> is
> > brighter than the background-color + Color.
>
> Hmm, are you mixing it with colors like rgb 0? After some experimentation,
> it looks like the usual interpolation of colors between additive and
> non-additive colors doesn't work well (because of the trick the macro uses).
> Try using only additive colors in your color map: if you need black, use
> Additive_Blend(0,1,0)

as far as I know, everything except the background uses
Additive_Blend(something,1,0)

cu!
--
camera{location-z*3}#macro G(b,e)b+(e-b)*(C/50)#end#macro L(b,e,k,l)#local C=0
;#while(C<50)sphere{G(b,e),.1pigment{rgb G(k,l)}finish{ambient 1}}#local C=C+1
;#end#end L(y-x,y,x,x+y)L(y,-x-y,x+y,y)L(-x-y,-y,y,y+z)L(-y,y,y+z,x+y)L(0,x+y,
<.5,1,.5>,x)L(0,x-y,<.5,1,.5>,x)                 // ZK http://www.povplace.com


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