Jan Dvorak nous apporta ses lumieres en ce 2007/12/07 14:50:
> 
>> sphere{0 1 pigment{color rgb 0.2} translate<1,2,3>}
>> sphere {1 1 pigment{color rgb 0.4} translate<1,2,3>}
>> sphere {2 1 pigment{color rgb 0.6} translate<1,2,3>}
>>
>> becomes
>>
>> #macro M(c)pigment{color rgb c}translate<1,2,3>#end
>> sphere{0 1 M(.2)}
>> sphere{1 1 M(.4)}
>> sphere{2 1 M(.6)}
>>
>> ;-)
>> Paolo
>>
>>
> yet better
> 
> #macro  M(l,r,c)sphere{l r pigment{color rgb c}translate<1,2,3>}#end
> 
> this saves you two spheres :-)
#macro M(l,r,c,X,Y,Z)sphere{l r pigment{rgb c}translate<X,Y,Z>}#end

Now, you can have different translations for each instances.

-- 
Alain
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Hinduism: This shit has happened before.

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