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);

  fill(0,100,0);

  rect(350,190,20,20);

  textSize(40);

  textAlign(CENTER);

  frameRate(30);

  strokeWeight(2);

}

​

function draw() {

    if(gameOver === true)

    return;

  if (notBlack(x,y) === true) {

    fill(255);

    textSize(90);

    text("Game Over!", 400, 100);

    gameOver = true;

    fill(255,0,0);

    stroke(255,0,0);

    ellipse(x,y,40,40);

  }

  fill(0,100,0);

  rect(0,0,125,50);

  textSize(40);

  fill(255)

  text(frameCount,65,40);

  stroke(255);

  point(x, y);

  selfDrive();

  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(x,y) {

  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 (key === 'a'){

    autopilot= !autopilot;

  }

  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);

     fill(0,100,0);

  rect(350,190,20,20);

    frameCount = 0;

  }

​

}

function selfDrive(){

  if(direction===39 && notBlack(x+2,y)===true)

    direction = 40;

  if(direction===40 && notBlack(x,y+2)===true)

    direction = 37;

  if(direction===37 && notBlack(x-2,y)===true)

    direction = 38;

  if(direction===38 && notBlack(x,y-2)===true)

    direction=39;

}