// You can find the Turtle API reference here: https://turtletoy.net/syntax
Canvas.setpenopacity(1);

// Global code will be evaluated once.
const turtle = new Turtle();

const pi2 = Math.PI * 2;
const precision = .001;
const polygons = 25;

const add2 = (a, b) => [a[0]+b[0], a[1]+b[1]];
const scale2 = (a, s) => [a[0]*s, a[1]*s];
const modClip = (val, lowerBound, upperBound) => { const diff = upperBound - lowerBound; while(val < lowerBound) val += diff; while(val > upperBound) val -= diff; return val; }
const regularPolygonPoint = (theta, polygonEdgeCount) => scale2([Math.cos(theta * pi2), Math.sin(theta * pi2)], Math.cos(Math.PI / polygonEdgeCount) / Math.cos(modClip(theta * pi2, 0, pi2 / polygonEdgeCount) - (Math.PI / polygonEdgeCount)))

// The walk function will be called until it returns false.
function walk(i) {
    turtle.goto(scale2(regularPolygonPoint(i*precision, 2 + (i*precision | 0)), polygons * 6 * (i / (polygons/precision))));
    return i < polygons/precision;
}