> On 06/23/2015 04:14 PM, severedo wrote:
>> In the meantime i stumbled upon the fog feature. It does exactly what
>> I want
>> except that I can only define a plane but not really another geometry:
>>
>>   fog{ fog_type 2
>>        distance  3
>>        color     White
>>        fog_offset -5.5
>>        fog_alt    2.0
>>        turbulence 1.8
>>        up <-0.5,1,0>
>>      }
>>
>> This would be great if I could somehow define a center point where the
>> fog
>> then starts expanding like a sphere, obscuring everything.
>>
>>
> In addition to what has been suggested a couple other possible methods
> come to mind.
>
> 1) I've never done it, but with fog you are not limited to one use in a
> scene meaning you could declare a base fog and then instantiate several
> copies of it, rotating each variously around your "axis of clarity." Not
> sure what happens with the fog where the regions of fog overlap.
>

When several fog overlap, their effects are added.

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