POV-Ray : Newsgroups : povray.bugreports : Using phong with shadowless : Re: Using phong with shadowless Server Time
26 Nov 2022 03:18:04 EST (-0500)
  Re: Using phong with shadowless  
From: Bald Eagle
Date: 21 Nov 2022 06:35:00
Message: <web.637b620d32973d7d1f9dae3025979125@news.povray.org>
Cousin Ricky <ric### [at] yahoocom> wrote:
> On 2022-11-20 13:55 (-4), Bald Eagle wrote:
> > While experimenting with some code, I was using a shadowless light, and noticed
> > that I wasn't getting a phong highlight on a sphere with that finish.
> >
> > Is this for some reason the intended behaviour, or an actual bug?
>
> It is documented non-judgmentally, which suggests that it is deliberate.
>  See:
> https://wiki.povray.org/content/Reference:Light_Source#Shadowless_Lights
>
> As for why, I can only guess.  But I tend to use shadowless lights as
> fill lighting, for which highlights are undesirable anyway.  Perhaps the
> dev team had the same idea.

"Also note that shadowless lights will not cause highlights on the illuminated
objects."

Well ...  not a bug, and your reasoning makes sense.
I was just taken off guard, as it was my only light source.

Thank you, Sir.


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