control03

let diameter;

let angle = 0;

​

function setup() {

createCanvas(400, 400);

background('#FFFFFC');

  diameter = 250 - 10;

}

​

function draw() {

background('#FFFFFC');

​

  let d1 = 10 + (sin(angle) * diameter) / 2 + diameter / 2;

​

  let d3 = 10 + (sin(angle + PI) * diameter) / 2 + diameter / 2;

​

    push()

  fill(255,64,0, d1)

  noStroke()

  circle(width/2,150,d1)

  pop()

  push()

  fill(255,64,0, d3)

  noStroke()

  circle(width/2,250,d3)

  pop()

  angle += 0.02;

​

  }