let score = 0;

let highScore = 0;

​

//image and class variables

let gingerbreadman;

let backgroundImg;

let gingerbreadmanImg;

let chimney1Img;

let chimney2Img;

let endImg;

let introImg;

let chimneys = [];

​

//audio variables

let gameOverSound;

let jump;

let christmasTrack;

​

function preload() {

  //upload and call all the images

  backgroundImg = loadImage("Background.png");

  gingerbreadmanImg = loadImage("gingerbreadman.png");

  chimney1Img = loadImage("Chimney1.png");

  chimney2Img = loadImage("Chimney2.png");

  endImg = loadImage("gingerbread-skeleton-men-mobile.png");

  introImg = loadImage("intropage.png");

​

  //upload and call audio

  gameOverSound = loadSound("negative_beeps-6008.mp3");

  jump = loadSound("toy-button-105724.mp3");

  christmasTrack = loadSound("jingle-bells-orchestra-127418.mp3");

} // end of preload

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  gingerbreadman = new Gingerbreadman();

  chimney1 = new Chimney1();

  chimney2 = new Chimney2();

  christmasTrack.loop();

  christmasTrack.playMode("restart");

  christmasTrack.setVolume(0.7);

  gameOverSound.playMode("restart");

  jump.playMode("restart");

} // end of setup

​

function startScreen() {

  background(introImg);

  if (!christmasTrack.isPlaying()) {

    christmasTrack.play();

  }

  textSize(30);

  fill(255);

  textFont("PressStart2P-Regular.ttf");

  text("Press enter to start", width / 2.7, height / 1.2);

  if (keyCode == ENTER) {

    chimneys = [];

    gameState = "drawGame";

  }

} // end of startScreen

​

function keyPressed() {

  //make it so that when you press the up arrow, the gingerbread man will jump

  if (key === " ") {

    gingerbreadman.jump();

    jump.play();

  }

} // end of keyPressed

​

function draw() {

  console.log(gameState);

  //set start and end screen

  if (gameState == "start") {

    startScreen();

  } else if (gameState == "drawGame") {

    drawGame();

  } else if (gameState == "gameOver") {

    gameOver();

  }

} // end of draw

​

function drawGame() {

  //random chance of a new chimney appearing

  if (random(1) < 0.004) {

    chimneys.push(new Chimney1());

  }

  if (random(1) < 0.003) {

    chimneys.push(new Chimney2());

  }

  background(backgroundImg);

  for (let c of chimneys) {

    c.move();

    c.show();

    if (gingerbreadman.hits(c)) {

      gameState = "gameOver";

    }

    //score

    textSize(56);

    textFont("PressStart2P-Regular.ttf");

    fill(255);

    text("Score: " + score, 130, 80);

    if ("drawGame") {

      score = score + Math.round(frameCount / 600);

    }

  }

  gingerbreadman.show();

    gingerbreadman.move();

} // end of drawGame

​

function gameOver() {

  background(endImg);

  christmasTrack.stop();

  if (!gameOverSound.isPlaying()) {

    gameOverSound.play();

    gameOverSound.loop();

  }

​

  //keeps track of the best score

  if (highScore < score) {

    highScore = score;

  } else {

    highScore = highScore;

  }

​

  if (keyCode == BACKSPACE) {

    gameOverSound.stop();

    score = 0;

    gameState = "start";

  }

​

  //instructions for restarting the game

  textSize(24);

  textFont("PressStart2P-Regular.ttf");

  fill(255);

  text("Press backspace to restart", width / 2, height / 2);

} // end of gameOver