Bill Pragnell nous apporta ses lumieres en ce 2007/07/10 05:40:
> I have the feeling that I'm missing something obvious, so excuse me if this
> is a stupid question :-), but...
> 
> Why are you filling a cone to simulate an asteroid belt?
> Wouldn't a flattened torus be more appropriate?
> 
> 
In fact, a long cylinder, possibly flatened, would be a good aproximation in 
most closeup cases. The cone can be used to produce a kind of forced 
perspective, but then, you need to adjust the scaling of the asteroids to the 
radius of the cone at the asteroid location.

-- 
Alain
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