// 参考：https://piterpasma.nl/articles/wobbly

function setup() {

  createCanvas(400, 400);

}

​

function draw() {

  background(220);

  const x = noise(frameCount * 0.05) * width;

  translate(0,height/2);

  test();

}

​

const test = () => {

  const r = 70;

  const k = frameCount/10;

  for(let i = 0;i<width;i++){

    const x = i;

    const y = r*sin(0.03*i+k);

    circle(x,y,4);

  }

}