Passing objects to modules

Hi all,


Being new to openScad I'm exploring its methods with a view to replacing
another CAD program I have.


I have wriiten this:-

----------------------------------------------------

$fn = 50;

module RadialCopy( numCopies, radius)
{
     dtr = PI/180;
     angStep = 360/numCopies;

     for(i=[0:angStep:360])
     {
         x = radius*cos(i);
         y = radius*sin(i);

         translate([x,y,0])cylinder(5,1,true);
     }
}

// Call the RadialCopy module

RadialCopy( 6, 10);

--------------------------------------------------


which copies a cylinder <numCopies> times around a centre point.


but what if I wanted to copy another object like a sphere or a cube ? I
would have to change the RadialCopy module each time, instead I want to
keep the generality of the module, and pass the object I want to copy as
a parameter.


Can I do this ? I've read a bit about using children but didn't really
understand it or get it to work the way I wanted.


Any advice appreciated.

thanks,

Steve.



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$fn = 50;

module RadialCopy( numCopies, radius)
{
     dtr = PI/180;
     angStep = 360/numCopies;

     for(i=[0:angStep:360])
     {
         x = radius*cos(i);
         y = radius*sin(i);

         translate([x,y,0]) children();
     }
}

// Call the RadialCopy module

RadialCopy( 6, 10)
  cylinder(5,1,true);

RadialCopy( 6, 15)
  cube(1);




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Thanks very much, brilliant !

Steve



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