var y = 200;

var gameOver = false;

var direction = 39;

​

function setup() {

  createCanvas(800, 800);

  background(0, 0, 255);

  fill(0);

  rect(3, 3, 793, 793);

  textAlign(CENTER);

  frameRate(45);

  strokeWeight(2);

}

​

function draw() {

  if(gameOver === true)

    return;

  if (notBlack() === true) {

    fill(255);

    textSize(40);

    text("Game Over!", 200, 50);

    gameOver = true;

    fill(255,0,0);

    stroke(255,0,0);

    ellipse(x,y,40,40);

  }

  fill(0,100,0);

  rect(0,0,75,25);

  textSize(20);

  fill(255)

  text(frameCount,37,20);

  stroke(255);

  point(x, y);

  if(direction === 37)

    x = x - 2;

  if(direction === 38)

    y = y - 2;

  if(direction === 39)

    x = x + 2;

  if(direction === 40)

    y = y + 2;

}

function notBlack() {

  var a = get(x, y);

  if (a[0] !== 0) return true;

  else if (a[1] !== 0) return true;

  else if (a[2] !== 0) return true;

  return false;

}

function keyPressed(){

  if(keyCode >= 37 && keyCode<=40)

    direction = keyCode;

  if (key === 'r'){

    x = 200;

    y = 200;

    gameOver = false;  

    direction = int(random(37,41));

    background(0,0,225);

    fill(0);

    stroke(0);

    rect(3,3,793,793);

    frameCount = 0;

  }

}