Simon is an electronic game of short-term memory skill invented by Ralph H. Baer and Howard J. Morrison, working for toy design firm Marvin Glass and Associates, with software programming by Lenny Cope. The device creates a series of tones and lights and requires a user to repeat the sequence.This game can be constructed using
HTML,CSS and JS.
HTML:
<!DOCTYPE html>
<html lang="en" dir="ltr">
<head>
<meta charset="utf-8">
<title>Simon</title>
<link rel="stylesheet" href="styles.css">
<link href="https://fonts.googleapis.com/css?family=Press+Start+2P" rel="stylesheet">
</head>
<body>
<h1 id="level-title">Press A Key to Start</h1>
<div class="container">
<div lass="row">
<div type="button" id="green" class="btn green">
</div>
<div type="button" id="red" class="btn red">
</div>
</div>
<div class="row">
<div type="button" id="yellow" class="btn yellow">
</div>
<div type="button" id="blue" class="btn blue">
</div>
</div>
</div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="game.js" charset="utf-8"></script>
</body>
</html>
CSS:
body {
text-align: center;
background-color: #011F3F;
}
#level-title {
font-family: 'Press Start 2P', cursive;
font-size: 3rem;
margin: 5%;
color: #FEF2BF;
}
.container {
display: block;
width: 50%;
margin: auto;
}
.btn {
margin: 25px;
display: inline-block;
height: 200px;
width: 200px;
border: 10px solid black;
border-radius: 20%;
}
.game-over {
background-color: red;
opacity: 0.8;
}
.red {
background-color: red;
}
.green {
background-color: green;
}
.blue {
background-color: blue;
}
.yellow {
background-color: yellow;
}
.pressed {
box-shadow: 0 0 20px white;
background-color: grey;
}
JS:
var buttonColours = ["red", "blue", "green", "yellow"];
var gamePattern = [];
var userClickedPattern = [];
var started = false;
var level = 0;
$(document).keypress(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 (gamePattern[currentLevel] === userClickedPattern[currentLevel]) {
if (userClickedPattern.length === gamePattern.length){
setTimeout(function () {
nextSequence();
}, 1000);
}
} else {
playSound("wrong");
$("body").addClass("game-over");
$("#level-title").text("Game Over, Press Any Key to Restart");
setTimeout(function () {
$("body").removeClass("game-over");
}, 200);
startOver();
}
}
function nextSequence() {
userClickedPattern = [];
level++;
$("#level-title").text("Level " + level);
var randomNumber = Math.floor(Math.random() * 4);
var randomChosenColour = buttonColours[randomNumber];
gamePattern.push(randomChosenColour);
$("#" + randomChosenColour).fadeIn(100).fadeOut(100).fadeIn(100);
playSound(randomChosenColour);
}
function animatePress(currentColor) {
$("#" + currentColor).addClass("pressed");
setTimeout(function () {
$("#" + currentColor).removeClass("pressed");
}, 100);
}
function playSound(name) {
var audio = new Audio("sounds/" + name + ".mp3");
audio.play();
}
function startOver() {
level = 0;
gamePattern = [];
started = false;
}
