let buttonY;

​

function setup() {

  createCanvas(1000, 1000);

  buttonX = 450;

  buttonY = 550

}

​

function draw() {

  background(240);

  textSize(25);

  text("This is a Predtictor. The screen below flashes green exactly 1.00000 seconds BEFORE you press the button. Try it.", 100, 100, 800);

  fill(255);

  stroke(0);

  rect(100, 200, 800, 300);

  noStroke()

  fill(0);

  rect(buttonX + 5, buttonY + 5, 100, 50, 10);

  stroke(0);

  strokeWeight(3);

  fill(150, 255, 150);

  rect(buttonX, buttonY, 100, 50, 10);

  noStroke();

  fill(0);

  text("Button", buttonX + 13, buttonY + 33);

  if (dist(mouseX, mouseY, buttonX + 50, buttonY + 25) < 100) {

    buttonX = random(50, 850);

    buttonY = random(550, 900);

  }

}