Function geopattern::sine_waves

pub fn sine_waves(
    period: f32, 
    a: f32, 
    ww: f32, 
    stroke: &[(&str, f32)], 
    background_color: &str
) -> Document

sine waves

use geopattern::sine_waves;

let c = sine_waves(
    120.0,
    80.0,
    20.0,
    &(0..4)
        .map(|v| {
            (
                if v & 1 == 0 { "#222" } else { "#ddd" },
                0.02 + (v as f32) / 4.0,
            )
        })
        .collect::<Vec<(&str, f32)>>(),
    "#987987",
);

println!("{}", c);