createCanvas(windowWidth, windowHeight);

}

​

let periodSec = 1;

​

function draw() {

  background(255, 180, 255);

​

  let amplitude = width / 2;

  let xOffset = width / 4;

​

  let period = periodSec * getTargetFrameRate();

  let x = amplitude * sin((TWO_PI / period) * frameCount);

​

  let y = height / 2;

​

  ellipse(x + xOffset, y, 25);

}

​