On Wed, 19 Aug 2009 10:00:52 +0200, "Thomas de Groot"
<tDOTdegroot@interDOTnlANOTHERDOTnet> wrote:

>That's curious! I had not expected that. Any idea why?
>

Not an answer but it could be a hint.
If you split the rotate *360 into separate rotate x, rotate y, rotate z and
order them separately then adding the translation to the first rotate gives a
similar result. 


#include "colors.inc"

camera {location <0,150,-150>
        look_at <0,0,0>
       }
light_source {<50,300,-100> colour White}
light_source {<-150,300,-100> colour White}

#declare Tree =  sphere {<0,0,0>2 pigment {White}} ;


#local Num_Tree = 0 ;       

// ------------------------------------------------------
#while (Num_Tree<5000)
  #local rnd_tree = seed (Num_Tree);
  object {Tree
          translate y*60       // code C 
                   
          
          rotate rand(rnd_tree) *y*360
          
          rotate rand(rnd_tree) *z*360  
          
          rotate rand(rnd_tree) *x*360
          
          }
  #local Num_Tree = Num_Tree +1 ;
#end


-- 

Regards
     Stephen

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