game.js

// mine
var buttonColours = ["red", "blue", "green", "yellow"];

var gamePattern = [];
var userClickedPattern = [];
var started = false;
var level = 0;

$(document).keydown(function(){
  if(!started){

    $("#level-title").text("Level " + level);
    nextSequence();
    started = true;
  }
});



$(".btn").click(function(){
  var userChosenColour = $(this).attr("id");
  userClickedPattern.push(userChosenColour);

  playSound(userChosenColour);
  animatePress(userChosenColour);
  checkAnswer(userClickedPattern.length - 1);
});


function checkAnswer(currentLevel){


  if(userClickedPattern[currentLevel] === gamePattern[currentLevel]){
    // console.log("Success");
    if(userClickedPattern.length === gamePattern.length ){
      setTimeout(nextSequence(), 1000);
      userClickedPattern = [];
    }
  } else {
    // console.log("wrong");
    var wrong = new Audio("sounds/wrong.mp3");
    wrong.play();
    $("body").addClass("game-over");
    setTimeout(function(){
      $("body").removeClass("game-over")
    }, 200)
    $("h1").text("Game Over, Press Any Key to Restart");
    startover();
    userClickedPattern = [];
  }
};


function startover(){
  level = 0;
  gamePattern = [];
  started = false;
}


function nextSequence() {

  level++;
  $("#level-title").text("Level " + level);

  var randomNumber = Math.floor( Math.random() * 4 );
  var randomChosenColour = buttonColours[randomNumber];
  gamePattern.push(randomChosenColour);

  // checkAnswer(level);

  $("#" + randomChosenColour).fadeIn(100).fadeOut(100).fadeIn(100);
  playSound(randomChosenColour);
};


function playSound(name) {

  var audio = new Audio("sounds/" + name + ".mp3");
  audio.play();
};


function animatePress(currentColour){

  $("#" + currentColour).addClass("pressed");
  setTimeout(function(){
    $("#" + currentColour).removeClass("pressed")
  }, 100)
};