let count = 0;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  textSize(width / 4);

  text(count, (width - textWidth(count)) / 2, height / 2); // 回数を描画

}

​

function draw() {

  // background(220);

}

​

function deviceShaken() {

  background(220);

  text(count, (width - textWidth(count)) / 2, height / 2); // 回数を描画

  count++;

}

​