[OpenSCAD] openscad: child count

[Zach Smith]

wow, that is cool!

On Thu, Mar 4, 2010 at 3:10 AM, Clifford Wolf <clifford at clifford.at> wrote:

> Hi,
>
> On Wed, Mar 03, 2010 at 10:13:27PM +0000, Giles Bathgate wrote:
> > Clifford,
> >
> > Suppose I wanted to do something like the following:
> > [...]
> > So is there any way I can get the child count, rather than having to pass
> it as a parameter?
> > perhaps there could be a childcount() function that would be used along
> with the child(i) function?
> > or perhaps another way of doing it would be to allow you to do something
> like this
> > [...]
>
> The variable $children always holds the number of children. So your script
> would look like this:
>
>        module RotateAndTranslate() {
>          for (i = [0 : $children-1])
>            translate([ 10, 10, 10 ]) rotate([10,10,10]) child(i);
>        }
>
>        RotateAndTranslate()
>        {
>                sphere(1);
>                cube([1,1,1]);
>                cylinder(r=1,h=1);
>        }
>
> yours,
>  - clifford
>
> --
> bash -c "gcc -o mysdldemo -Wall -O2 -lSDL -lm -pthread -x c <( echo -e '
> #include <SDL/SDL.h>\n#include <complex.h>\nint
> main(){SDL_Surface*s;SDL_Event
> e;int
> x,y,n;SDL_Init(SDL_INIT_VIDEO);s=SDL_SetVideoMode(640,480,32,0);for(x=0;
> x<640;x++)for(y=0;y<480;y++){float _Complex z=0, c=((x-400)/200.0) +
> ((y-240)/
>
> 200.0)*1.0fi;for(n=1;n<64;n++){z=z*z+c;if(cabsf(z)>2){((Uint32*)s->pixels)[x+y
> *640]=n<<3;n=99;}}}SDL_UpdateRect(s,0,0,s->w,s->h);do SDL_WaitEvent(&e);
> while
> (e.type!=SDL_QUIT&&e.type!=SDL_KEYDOWN);SDL_Quit();return 0;}' );
> ./mysdldemo"
> _______________________________________________
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>



-- 
Zach Smith
MakerBot Industries
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