​

let start_flag = false;

​

function setup() {

  createCanvas(800, 800);

}

​

function draw() {

  let rand_num = floor(random(0,4));

  let val = rand_num;

  fill(0)

  if(start_flag==false)

  {

        let color_chosen = colors[rand_num];

        display_page()

    fill(0)

        text(color_chosen,width/4, height/3)

        start_flag = true;  

  }

 if (colors[rand_num] == 'RED' && mouseX > 20 && mouseX < 120 && mouseY > 200 && mouseY < 300) 

 {

    if (mouseIsPressed == true) 

    {

      console.log(val)

        start_flag = false;

        display_page();

    }

}

​

}

  function display_page()

{

  fill(255)

  square(0,0,800)

  //red square

  fill(255,0,0)

  square(20,200,100)

}

​

​