​

function setup() {

  createCanvas(400, 400);

  // Initialize button

  restartButton = new Button(width / 2, height/2)

  restartButton.setImage("btn_start.png")

  restartButton.addListener(restartTimer)

}

​

function draw() {

  background(220);

  // Draw button

  restartButton.draw()

}

​

function restartTimer() {

  print("Button Clicked");

  //restartButton.disable() // Disable the button immediately after restarting

​

}