​

function setup() {

  createCanvas(400, 400);

  textAlign(CENTER);

}

​

function draw() {

  background(255);

  if (gameMode==0){

    text("Opening Game Screen\nPress the mouse to start",width/2, height/2);

  } else if (gameMode==1){

    text("2nd Game Screen\nPress the mouse to start over",width/2, height/2);

  }

}

​

function mousePressed(){

  //just flipping between modes 0 and 1 in this example

  gameMode = 1-gameMode;

}