[Swansea Hackspace] openscad maths

[Justin Mitchell]

On Thu, 2014-10-30 at 13:37 +0000, Ceri Clatworthy wrote:
> Hi, going crazy here ...
> I need something like:

> test = 102; // 0x66
> if (test AND 1) {do something usefull @ poz 1};
> if (test AND 2) {do something usefull @ poz 2};

> e.g. draw the binary representation of a 16 bit number in
> cubes/spheres !!!

Doesn't look possible,
there are no bitwise operators that i can see, and
variables are evaluated at compile time so you cant even run a loop to
do it the long way around.

Either preprocess it, i.e. write a program that writes openscad.
or switch to openjscad which is an almost identical syntax except that
it uses javascript as the language, so can do less noddy operations