createCanvas(500, 500);

  background(0);

}

​

function draw() {

  // background(240);

  fill(40,250,225,70);

  // noFill();

  stroke(100,20,255,120);

  strokeWeight(2);

  let cp1 = 120;

  let cp2 = 400;

  for (let i = 0; i < 100; i += 5) {

    bezier(cp1 + i*sin(frameCount*0.021), cp2 + i*cos(frameCount*0.021), 100 * sin(frameCount*0.05), 10, 480, 480, 400+i*sin(frameCount*0.02), 100+i*cos(frameCount*0.02));

  }

}

​