let x = 10;

let scene = 1;

​

function setup() {

  createCanvas(600, 400);

}

​

function draw() {

  background(220);

  ellipse(x, 200, 30, 30); //can walk around canvas 

​

  if (keyIsPressed === true) {

​

    if (keyCode == RIGHT_ARROW) {

      x+=3;

    } else if (keyCode == LEFT_ARROW) {

      x-=3;

    }

  }

​

  if (scene == 1) {

    s1();

  } else if (scene == 2) {

    s2();

  } else if (scene == 3) {

    s3();

  }

​

  if (x > width) {

    x = 0

    scene++;

​

  }

}

​

function s1() {

  text("scene 1", 50, 50);

}

​

function s2() {

  text("scene 2", 50, 50);

}

​

function s3() {

  text("scene 3", 50, 50);

}