rings and strings - glowforge + paperjs

Export_201215_215417.svg

paper-code.js

const inch = 72.0;

const circle = ({x, y, radius, color}) => {
    const c = new Path.Circle(new Point(x, y), radius);
    c.strokeColor = color;
    return c
}

const outer = ({radius, center, points, extra, color}) => {
  circle({x: center.x, y: center.y, radius, color})

  for (var i=0; i<points; i++) {
    var theta = 2*3.1415926*i/points
    circle({
        x: center.x+(radius-0.125*inch)*Math.sin(theta),
        y: center.y+(radius-0.125*inch)*Math.cos(theta),
        radius: 0.03*inch,
        color: '#000000'
    });
    if (i%extra == 0) {
        circle({
            x: center.x+(radius-0.125*inch)*Math.sin(theta),
            y: center.y+(radius-0.125*inch)*Math.cos(theta),
            radius: 0.05*inch,
            color: '#00ff00'
        });
    }
  }
}

const inner = ({radius, center, color}) => {
    circle({x: center.x, y: center.y, radius, color})
}

const center = {x: 2.5*inch, y: 2.5*inch}

outer({center, radius: 2.5*inch, points: 30, extra: 5, color: '#000099'})
outer({center, radius: 2.25*inch, points: 30, extra: 5, color: '#000088'})
outer({center, radius: 2*inch, points: 30, extra: 5, color: '#000077'})
outer({center, radius: 1.75*inch, points: 30, extra: 5, color: '#000066'})
outer({center, radius: 1.5*inch, points: 30, extra: 5, color: '#000055'})
outer({center, radius: 1.25*inch, points: 30, extra: 5, color: '#000044'})
outer({center, radius: 1*inch, points: 30, extra: 5, color: '#000033'})
outer({center, radius: 0.75*inch, points: 30, extra: 5, color: '#000022'})
circle({x: center.x, y: center.y, radius: 0.5*inch, color: '#000011'})