​

let numLines = 200;

​

let x = 50;

let y = 10;

​

let yS = 10;

let xS = 10; 

​

let start = pi; 

let stop = (pi*3)/2

​

​

let d = 200;

​

function setup() {

  let g = 247;

  background(g);

  createCanvas(800, 800);

   stroke(255,0,0);

  noFill();

​

}

​

function draw() {

let arcS = (QUARTER_PI/100); 

 for (let i = 0; i<numLines;i=i+1){ 

  strokeWeight(5-i*0.1);

stroke(i*10,255-i*5,0)

  arc(x+xS*i,y+yS*i,d,d, start + arcS *i, stop - arcS * i);

}

}