Cousin Ricky nous apporta ses lumieres en ce 2007/06/09 19:10:
> "JS" <bos### [at] yahoocouk> wrote:
>> My virtual mannequins have now evolved so that other creatures are catered
>> for such as bats, as shown in the picture below. I had originally steered
>> away from other creatures because of the difficulty of creating wings from
>> only basic objects, however, they came out quite well.
>>
>> I hope you like this moody scene; please remember there is a lot to improve.
> 
> Two questions:
> 
> 1. What is the spotted red thing on the bat's back?
> 
> 2. How much realism are you looking for?  Land vertebrates have at most 4
> limbs to work with.  The wings of all flying vertebrates--pterodactyls,
> birds, bats--are co-opted arms.  (Evolution does this kind of jury-rigging
> a lot.)  A bat taxi would grab her passenger with her feet.
> 
> How far you want to take it is completely up to you, of course.  One major
> motion picture (either _Antz_ or _A Bug's Life_) featured talking 4-legged
> male worker ants.
> 
Maybe that kind of "bat" evolved from some wingless insect where a pair of legs 
mutated into wings. Further or previous mutations caused the exoskeleton to be 
replaced by an internal one...

-- 
Alain
-------------------------------------------------
You know you've been raytracing too long when quotes about raytracing are making 
sence to you.

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