var score = 0;

var hiScore = 0;

​

var x = 250;

var y = 200;

var direction = 39;

var auto = false;

​

var compX = 150;

var compY = 200;

var compDir = 37;

​

function setup() {

  createCanvas(400, 400);

  background(8, 83, 204);

  fill(0, 0, 0, 255);

  rect(15, 15, 370, 370);

  fill(8, 83, 204);

  rect(300, 120, 50, 20);

  rect(90, 300, 10, 70);

  frameRate(30);

  strokeWeight(2);

}

​

function draw() {

  if (gameover) {

    return;

  }

  //score display

  score++;

  noStroke();

  fill(8, 83, 204);

  rect(0, 0, 65, 30);

  fill(0);

  rect(3, 3, 59, 24);

  textSize(20);

  fill(255);

  textAlign(RIGHT);

  text(score, 60, 22);

​

  human();

  compDrive();

}

​

function human() {

  stroke(111, 229, 252);

  point(x, y);

  if(auto) {

    selfDrive();

  }

  if (direction === 37) {

    x -= 2;

  } else if (direction === 38) {

    y -= 2;

  } else if (direction === 39) {

    x += 2;

  } else if (direction === 40) {

    y += 2;

  }

  if (notBlack(x,y)) {

    fill(0);

    stroke(255);

    rect(75, 100, 260, 100);

    textSize(35);

    fill(255);

    noStroke();

    textAlign(CENTER);

    text("Computer Wins!", 205, 150);

    textSize(20);

    text("Press R to restart", 205, 180);

    if(score > hiScore)

      hiScore = score;

    fill(0);

    rect(115, 215, 170, 30);

    fill(255);

    text("High Score: " + hiScore, 200, 235);

    gameover = true;

  }

}

​

function compDrive() {

  stroke(129, 247, 192);

  point(compX, compY);

​

  if (compDir === 37 && notBlack(compX-2, compY))

    compDir = 38;

  else if (compDir === 38 && notBlack(compX, compY-2))

    compDir = 39;

  else if (compDir === 39 && notBlack(compX+2, compY))

    compDir = 40;

  else if (compDir === 40 && notBlack(compX, compY+2))

    compDir = 37;

  if (compDir === 37) {

    compX -= 2;

  } else if (compDir === 38) {

    compY -= 2;

  } else if (compDir === 39) {

    compX += 2;

  } else if (compDir === 40) {

    compY += 2;

  }

  if (notBlack(compX,compY)) {

    fill(0);

    stroke(255);

    rect(90, 100, 230, 100);

    textSize(35);

    fill(255);

    noStroke();

    textAlign(CENTER);

    text("Human Wins!", 205, 150);

    textSize(20);

    text("Press R to restart", 205, 180);

    if(score > hiScore)

      hiScore = score;

    fill(0);

    rect(115, 215, 170, 30);

    fill(255);

    text("High Score: " + hiScore, 200, 235);

    gameover = true;

  }

}

​

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 (keyCode >= 37 && keyCode <= 40) {

    direction = keyCode;

  } 

  if (key === "r") {

    gameover = false;

    noStroke();

    fill(0);

    rect(15, 15, 370, 370);

    x = 200;

    y = 200;

    direction = 39;

    compX = 100;

    compY = 200;

    compDir = 37;

    score = 0;

    fill(8, 83, 204);

    rect(300, 120, 50, 20);

    rect(90, 300, 10, 70);

  }

  if (key === "s") {

    auto = !auto;

  }

}

​

function selfDrive() {

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

    direction = 38;

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

    direction = 39;

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

    direction = 40;

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

    direction = 37;

​

}

​