// http://youtube.com/thecodingtrain

// http://codingtra.in

​

//keyPressed function adjusted by Ivana Dama

​

// Coding Challenge #115: Snake Game Redux

// https://youtu.be/OMoVcohRgZA

​

let snake;

let rez = 20;

let food;

let w;

let h;

​

function setup() {

  createCanvas(400, 400);

  w = floor(width / rez);

  h = floor(height / rez);

  frameRate(5);

  snake = new Snake();

  foodLocation();

}

​

function foodLocation() {

  let x = floor(random(w));

  let y = floor(random(h));

  food = createVector(x, y);

​

}

​

function keyPressed() {

  if (keyCode === LEFT_ARROW) {

    snake.setDir(-1, 0);

  } else if (keyCode === RIGHT_ARROW) {

    snake.setDir(1, 0);

  } else if (keyCode === DOWN_ARROW) {

    snake.setDir(0, 1);

  } else if (keyCode === UP_ARROW) {

    snake.setDir(0, -1);

  } else if (key == ' ') {

    snake.grow();

  }

​

}

​

function draw() {

  scale(rez);

  background(220);

  if (snake.eat(food)) {

    foodLocation();

  }

  snake.update();

  snake.show();

​

​

  if (snake.endGame()) {

    print("END GAME");

    background(213, 154, 182);

    noLoop();

  }

​

  noStroke();

  fill(213, 154, 182);

  rect(food.x, food.y, 1, 1);

}