>> And man, does it look gorgeous. For example the volumetric light effects
>> are simply astounding (for example when you look directly at the sun
>> through a foggy atmosphere, every geometric detail obstructs the light
>> rays as they should...)
>
> yeah
>
> then again, those are not perfect math curves

Nobody has got a monitor capable of displaying perfect math curves yet :-)

Seriously though, if your goal is to create a bitmap representation of 
the math curve, what difference does it make if you check every pixel in 
the image to see if it lies on the curve, or you convert the curve into 
a list of pixel-sized straight lines and then colour those pixels? 
Different maths but same result.

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