let vel = [];

let count = 20;

let spacing = 10;

let angle = 0;

​

function setup() {

  createCanvas(400, 400);

  angleMode(DEGREES);

  for (let i = 0; i < count; i++) {

    pos[i] = 1;

    vel[i] = (i + 1) *0.5;

  }

}

​

function draw() {

  background("Black");

  noFill();

​

  translate(width / 2, height / 2);

  strokeWeight(4);

  for (let i = 0; i < count; i++) {

    stroke(200, 120 * (i / count), 0);

    pos[i] = constrain(pos[i], 0, 180);

    stroke("#32CD32");

    arc(0, 0, (i + 1) * spacing, (i + 1) * spacing, angle + 0, angle + pos[i]);

    arc(

      0,

      0,

      (i + 1) * spacing,

      (i + 1) * spacing,

      angle - 180,

      angle - 180 + pos[i]

    );

  }

  push();

  stroke("#FF5349");

  //strokeWeight(5)

  circle(0, 0, 50);

  pop();

​

  for (let i = 0; i < count; i++) {

    if (pos[i] >= 180 || pos[i] <= 0) {

      vel[i] = vel[i] * -1;

    }

    pos[i] = pos[i] + vel[i];

  }

  angle = angle + 1.5;

}

function keyPressed() {

  if (key === 's') {

    saveGif('LOGO 1', 10);

  }

}