Macro circle

macro_rules! circle {
    (d=$dia:expr) => { ... };
    (d=$dia:expr, fn=$fn:expr) => { ... };
    (d=$dia:expr, fa=$fa:expr) => { ... };
    (d=$dia:expr, fs=$fs:expr) => { ... };
    (d=$dia:expr, fa=$fa:expr, fs=$fs:expr) => { ... };
    (r=$r:expr) => { ... };
    (r=$r:expr, fn=$fn:expr) => { ... };
    (r=$r:expr, fa=$fa:expr) => { ... };
    (r=$r:expr, fs=$fs:expr) => { ... };
    (r=$r:expr, fa=$fa:expr, fs=$fs:expr) => { ... };
    ($r:expr, fa=$fa:expr) => { ... };
    ($r:expr, fs=$fs:expr) => { ... };
    ($r:expr, fa=$fa:expr, fs=$fs:expr) => { ... };
    ($r:expr) => { ... };
    ($r:expr, fn=$fn:expr) => { ... };
}

Creates a circle.

#params

diameter: The diameter of the circle.

radius: The radius of the circle.

fa: The minimum angle between segments.

fs: The minimum length of a segment.

fn: The number of segments in the circle.

expansion: Scad struct literal.

#patterns

circle!(‘radius: f64’);

circle!(‘radius: f64’, fn=‘fn: u64’);

circle!(‘radius: f64’, fa=‘fa: f64’);

circle!(‘radius: f64’, fs=‘fs: f64’);

circle!(‘radius: f64’, fa=‘fa: f64’, fs=‘fs: f64’);

circle!(d=‘diameter: f64’);

circle!(d=‘diameter: f64’, fn=‘fn: u64’);

circle!(d=‘diameter: f64’, fa=‘fa: f64’);

circle!(d=‘diameter: f64’, fs=‘fs: f64’);

circle!(d=‘diameter: f64’, fa=‘fa: f64’, fs=‘fs: f64’);

circle!(r=‘radius: f64’);

circle!(r=‘radius: f64’, fn=‘fn: u64’);

circle!(r=‘radius: f64’, fa=‘fa: f64’);

circle!(r=‘radius: f64’, fs=‘fs: f64’);

circle!(r=‘radius: f64’, fa=‘fa: f64’, fs=‘fs: f64’);