let speed = 0.001;

let y = 0

let ac = 0.0001;

let me = x;

​

let easing = 0.05;

​

let starX;

let starY;

let starSize;

​

let rn

​

​

​

function setup() {

  createCanvas(400, 400);

  background(0);

  pixelDensity(1)

​

}

​

function draw() {

​

​

rn = millis()

  stroke(200+x, 200+x, 200+x, 50)

  strokeWeight(10)

  //fill(0 + x)

  noFill()

  circle(width / 2, height / 2, x)

  //  setTimeout(create,1000);

  if (x >= 20 && x < 200) {

​

    speed = speed

    ac++

    //  ac = ac

​

  } else {

    speed = -speed

    ac = -(ac++)

​

  }

​

​

  x = x + speed + ac

  y = y + 0.9

​

  // wave ease - in 

  let targetY = x; // breathing input // also circle

  let dy = targetY - me;

  me += dy * easing;

​

​

  // wave trail

  noFill()

  stroke(255)

  strokeWeight(10)

  point(0 + y, me);

  filter(BLUR, 3)

​

  // darker wave point

  stroke(255)

  strokeWeight(3)

  point(0 + y, me);

​

  // stars

  let now = frameCount % 8

  if (now == 0) {

    drawStars();

  } else {

​

  }

 rn = 0

  noFill()

    stroke(100, 200, 200, 50)

    circle(width / 2, height / 2, x)

}

​

​

​

// stars -- not even important 

function drawStars() {

  starX = random(0, width);

  starY = random(0, height);

  starSize = random(0.1, 0.5);

​

  starXa = random(0, width);

  starYa = random(0, height);

  starSizea = random(0.2, 0.8);

​

  starXb = random(0, width);

  starYb = random(0, height);

  starSizeb = random(0, 0.45);

​

  ellipse(starX, starY, starSize);

  ellipse(starXa, starYa, starSizea);

  ellipse(starXb, starYb, starSizeb);

​

​

}