sketch.js

var path = [];
var angle = 0.0;
var resolution = 50;
var sun;
var end;

function setup(){
    createCanvas(600,600);
    sun = new Orbit(width/2, height/2, width/4, 0);
    var next = sun;
    for (var i = 0; i < 10; i++) {
    next = next.addChild();
    } 
    end = next;
}

function draw(){
    background(51);

    for (var i = 0; i < resolution; i++) {
        next = sun;
        while (next != null) {
        next.update();
        next = next.child;
        }
        path.push(createVector(end.x, end.y));
    }

    next = sun;
    while (next != null) {
        next.show();
        next = next.child;
    }

    beginShape();
    stroke(255, 0, 255);
    noFill();
    for (var i = 0; i < path.length; i++){
        pos = path[i];
        vertex(pos.x, pos.y);
    }
    endShape();


}