nemesis napsal(a):
> Nicolas Alvarez <nic### [at] gmailisthebestcom> wrote:

>>> Warp <war### [at] tagpovrayorg> wrote:
>>>> nemesis <nam### [at] gmailcom> wrote:
>>>>>> Surfaces (and media) can have non-black coloring even without any
>>>>>> light_source definitions.
>>>>> ok, and how do you explain the reflections?
>>>>   Well, if a surface has a non-black coloring even without light sources,
>>>> it's obviously going to reflect from reflective surfaces.
>>> come on, warp, you know that's not the answer I want.
>>>
>>> How is povray rendering those reflections?
>>>
>> If an object has a non-zero ambient, it doesn't need a lightsource to be
>> visible.
> 
> that's all fine and dandy.  What I'm asking for is how povray renders
> reflections in the absence of traceable light rays.
> 
> 
> 
raytracers raytrace from the eye and when they hit a surface they split 
or stop (or just turn around). This doesn't need any light_sources to work.

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