var y = 200;

var gameOver = false;

var direction = 'w';

var autoPilot = false;

​

function setup() {

  createCanvas(400, 400);

  background(0, 144, 255);

  fill(0);

  stroke(0);

  rect(5, 5, 390, 390);

  print(get(2, 2));

}

​

function draw() {

  if(gameOver == true){

    return; //stops the program

  }

  if (notBlack(x, y)) {

    fill(255);

    textAlign(CENTER);

    textSize(50);

    text("Game Over!", 100, 100);

    gameOver = true;

  }

  strokeWeight(2);

  stroke(255);

  point(x, y);

  if(autoPilot == true){

    selfDrive();    

  }

  if(direction  == 'd'){

    x+=4;

  }

  if(direction == 'a'){

    x-=4;

  }

  if(direction == 'w'){

    y-=4;

  }

  if(direction == 's'){

    y+=4;

  }

}

​

function notBlack(x, y){

  var a = get(x, y); //get() returns an array for the rgb and opacity of that position

  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 == 's'){

    direction = 's';

  }

  if(key == 'a'){

    direction = 'a';

  }

  if(key == 'd'){

    direction = 'd';

  }

  if(key == 'w'){

    direction = 'w';

  }

  if(key == 'r'){

    autoPilot = !autoPilot;

  }

}

function selfDrive(){

  if(direction == 'w' && notBlack(x, y-4)){

     direction = 'd'; 

  }

  if(direction == 'd' && notBlack(x+4, y)){

    direction  = 's';

  }

  if(direction == 's' && notBlack(x,y+4)){

    direction = 'a';

  }

  if(direction == 'a' && notBlack(x-4, y)){

    direction = 'w';

  }

}

​

​