var scl = 20;

var cols;

var rows;

var eatSound;

var startOverSound;

var changePos;

var music;

var musicRate=1;

​

var fr=3;

​

​

var food;

​

function preload(){

  eatSound=loadSound("sounds/Alert-06.mp3");

  startOverSound=loadSound("sounds/Voice-Cartoon_Laugh-01.mp3")

  changePos=loadSound("sounds/Input-03.mp3");

  music=loadSound("sounds/Music-01.mp3");

}

​

function setup() {

  createCanvas(300, 300);

  music.play();

  music.setVolume(0.4);

  s = new Snake();

  frameRate(fr);

  pickLocation();

​

}

​

function pickLocation() {

  var cols = floor(width/scl);

  var rows = floor(height/scl);

  food = createVector(floor(random(cols)), floor(random(rows)));

  food.mult(scl);

}

​

function mousePressed() {

  s.total++;

}

​

function draw() {

  background(51);

​

  if (s.eat(food)) {

    eatSound.play();

    fr +=2;

    musicRate+=0.01;

    music.rate(musicRate);

    frameRate(fr);

    pickLocation();

  }

  s.death();

  s.update();

  s.show();

​

​

  fill(255, 0, 100);

  rect(food.x, food.y, scl, scl);

}

​

​

​

​

​

function keyPressed() {

  changePos.play();

  if (keyCode === UP_ARROW) {

    s.dir(0, -1);

  } else if (keyCode === DOWN_ARROW) {

    s.dir(0, 1);

  } else if (keyCode === RIGHT_ARROW) {

    s.dir(1, 0);

  } else if (keyCode === LEFT_ARROW) {

    s.dir(-1, 0);

  }

}