SOURCE

let speed = 10;
let angle = 0.0;
let r = 200;
function setup(){
    createCanvas(600,600);
    colorMode(HSB,360,100,100,1);
    smooth();
}
function draw(){
        stroke(random(360),100,100)
        let z = width/2 + cos(angle)*(r-angle);
        let c = height/2 + sin(angle)*(r-angle);
        ellipse(width/2,height/2,z,c);
        angle +=0.01;
        stroke(0);
        strokeWeight(2);
        let a =random(100,280);
        let d =width/2 + cos(radians(angle))*a;
        let s =height/2 + sin(radians(angle))*a;
        line(300,300,d,s);
        stroke(255);
        let x = width/2 + cos(angle)*(r-angle);
        let y = height/2 + sin(angle)*(r-angle);
        line(width/2,height/2,x,y);
        angle +=0.01;
       
}