8 – Simon Says – comparing sequences | Code Perspectives

We finish the DOM Simon Says game.

Class work

Let’s finish the game. We need to record the sequence that the user plays and compare it with the original sequence. Also, we will apply the style to the page using CSS.

Topics for today

the <form> html tag

Workfiles

Download in class: simon-says.zip

Individual files:

V3 – Sequence comparison

simon_3.html: the only change is to point to the new js script

<!DOCTYPE html>
<html lang="en-US">
    <head>
        <meta charset="UTF-8">
        <!-- <link rel="stylesheet" type="text/css" href="style.css" /> -->
        <title>Simon Says</title>
    </head>

    <body>
        <div id = "container">
            <div id = "header">
                <h1 id = "title">Record sequence</h1>
            </div>

            <div id = "game">
                <img id="lb_0" onclick="lb_click(0)" src="images/lb_off.png" width="100" height="188">
                <img id="lb_1" onclick="lb_click(1)" src="images/lb_off.png" width="100" height="188">
                <img id="lb_2" onclick="lb_click(2)" src="images/lb_off.png" width="100" height="188">
                <img id="lb_3" onclick="lb_click(3)" src="images/lb_off.png" width="100" height="188">
                <img id="lb_4" onclick="lb_click(4)" src="images/lb_off.png" width="100" height="188">
            </div>

            <div id = "footer">
                <button id="btn_0" type="button" onclick="play_game()">Play!</button>
            </div>
        </div>
        <script type="text/javascript" src="lib3.js"></script>
    </body>
</html>

<!DOCTYPE html>

<head>

<title>Simon Says</title>

</head>

<body>

<h1 id = "title">Record sequence</h1>

</div>

</div>

</div>

</body>

</html>

lib3.js: comparing the input sequence with the stored sequence

var SS = {};  // Global object container

function init_images() {
    SS.img_off = "images/lb_off.png";

    SS.img_on = [ "images/lb_yellow.png",
                  "images/lb_blue.png",
                  "images/lb_green.png",
                  "images/lb_red.png",
                  "images/lb_purple.png"];

    SS.n = SS.img_on.length;

    SS.img_delay = 800;  
}

function init_sounds() {
    var snd_file = [ "sounds/f_sharp.wav",
                     "sounds/g_sharp.wav",
                     "sounds/a_sharp.wav",
                     "sounds/c_sharp.wav",
                     "sounds/d_sharp.wav"]
    var n = SS.n;  // dereference

    SS.lb_snd = new Array(n);
    for (var i = 0; i < n; i++ ) {
        SS.lb_snd[i] = new Audio( snd_file[i] );
    }

    SS.success_snd = new Audio("sounds/applause.wav");
    SS.failure_snd = new Audio("sounds/aww.wav");
}

function init_seq() {
    SS.max_notes = 4;

    SS.seq = new Array(SS.max_notes);
    for (var i = 0; i < SS.max_notes; i++) {
        SS.seq[i] = Math.floor(Math.random() * SS.n);
    }

    SS.seq_delay = SS.img_delay + 160;
    SS.interval_id = 0;
    SS.notes_played;
    SS.notes_clicked;
    SS.seq_length;
}

function init_binds(){
    document.addEventListener("click", onClick);
}

function turn_lb_on(i, image) {
    SS.lb_snd[i].load();
    SS.lb_snd[i].play();
    image.src = SS.img_on[i];
}

function turn_lb_off(image) {
    image.src = SS.img_off;
}

function lb_click(i) {
    var img_id = "lb_" + String(i);
    var image = document.getElementById(img_id);

    turn_lb_on(i, image);
    setTimeout( function(){turn_lb_off(image)}, SS.img_delay);
}

function play_one(){
    if (SS.notes_played < SS.seq_length) {
        lb_click( SS.seq[SS.notes_played] );
        SS.notes_played = SS.notes_played + 1;
    }
    else {
        clearInterval(SS.interval_id);
    }
}

function play_seq(){
    SS.notes_played = 0;
    SS.notes_clicked = 0;
    SS.interval_id = setInterval( function(){play_one()}, SS.seq_delay);
}

function game_over(player_won){
    document.removeEventListener('click', onClick);
    if (player_won) {
        SS.success_snd.play();
    }
    else {
        SS.failure_snd.play();
    }
}

function click_on_image(evt){
    var target_id;

    target_id = evt.target.id;
    if (null == target_id.match("lb_")) {
        return -1;
    }

    for (var i = 0; i < SS.n; i++) {
        lb_id = "lb_" + String(i);
        if (target_id == lb_id) {
            return i;
        }
    }
}

function check_seq_finished() {
    if (SS.notes_clicked != SS.seq_length) {
        return;
    }

    if (SS.notes_clicked < SS.max_notes) {
       SS.seq_length = SS.seq_length + 1;
       play_seq();
    }
    else {/* player won */
       game_over(true);
    }
}

//    if (SS.notes_played == SS.seq_length && SS.notes_played == SS.max_notes) {

function onClick(evt) {
    i = click_on_image(evt);
    if (i == -1) {
        return;
    }

    P("i = " + String(i));
    P("notes_clicked= " + String(SS.notes_clicked));
    lb_click(i);

    SS.notes_clicked = SS.notes_clicked + 1;
    if ( SS.seq[SS.notes_clicked - 1] == i) {
        check_seq_finished();
    } 
    else {     /* player clicked the wrong note */
        game_over(false);
    }
}

function play_game(i) {
    init_seq();
    init_binds();
    P(SS.seq);
    SS.seq_length = 1;
    play_seq();
}

window.onload = function() {
    init_images();
    init_sounds();
}

function P(i){
    console.log(i);
}

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var SS = {}; // Global object container

function init_images() {

SS.img_off = "images/lb_off.png";

SS.img_on = [ "images/lb_yellow.png",

"images/lb_blue.png",

"images/lb_green.png",

"images/lb_red.png",

"images/lb_purple.png"];

SS.n = SS.img_on.length;

SS.img_delay = 800;

}

function init_sounds() {

var snd_file = [ "sounds/f_sharp.wav",

"sounds/g_sharp.wav",

"sounds/a_sharp.wav",

"sounds/c_sharp.wav",

"sounds/d_sharp.wav"]

var n = SS.n; // dereference

SS.lb_snd = new Array(n);

for (var i = 0; i < n; i++ ) {

SS.lb_snd[i] = new Audio( snd_file[i] );

}

SS.success_snd = new Audio("sounds/applause.wav");

SS.failure_snd = new Audio("sounds/aww.wav");

}

function init_seq() {

SS.max_notes = 4;

SS.seq = new Array(SS.max_notes);

for (var i = 0; i < SS.max_notes; i++) {

SS.seq[i] = Math.floor(Math.random() * SS.n);

}

SS.seq_delay = SS.img_delay + 160;

SS.interval_id = 0;

SS.notes_played;

SS.notes_clicked;

SS.seq_length;

}

function init_binds(){

document.addEventListener("click", onClick);

}

function turn_lb_on(i, image) {

SS.lb_snd[i].load();

SS.lb_snd[i].play();

image.src = SS.img_on[i];

}

function turn_lb_off(image) {

image.src = SS.img_off;

}

function lb_click(i) {

var img_id = "lb_" + String(i);

var image = document.getElementById(img_id);

turn_lb_on(i, image);

setTimeout( function(){turn_lb_off(image)}, SS.img_delay);

}

function play_one(){

if (SS.notes_played < SS.seq_length) {

lb_click( SS.seq[SS.notes_played] );

SS.notes_played = SS.notes_played + 1;

}

else {

clearInterval(SS.interval_id);

}

function play_seq(){

SS.notes_played = 0;

SS.notes_clicked = 0;

SS.interval_id = setInterval( function(){play_one()}, SS.seq_delay);

}

function game_over(player_won){

document.removeEventListener('click', onClick);

if (player_won) {

SS.success_snd.play();

}

else {

SS.failure_snd.play();

}

function click_on_image(evt){

var target_id;

target_id = evt.target.id;

if (null == target_id.match("lb_")) {

return -1;

}

for (var i = 0; i < SS.n; i++) {

lb_id = "lb_" + String(i);

if (target_id == lb_id) {

return i;

}

function check_seq_finished() {

if (SS.notes_clicked != SS.seq_length) {

return;

}

if (SS.notes_clicked < SS.max_notes) {

SS.seq_length = SS.seq_length + 1;

play_seq();

}

else {/* player won */

game_over(true);

}

// if (SS.notes_played == SS.seq_length && SS.notes_played == SS.max_notes) {

function onClick(evt) {

i = click_on_image(evt);

if (i == -1) {

return;

}

P("i = " + String(i));

P("notes_clicked= " + String(SS.notes_clicked));

lb_click(i);

SS.notes_clicked = SS.notes_clicked + 1;

if ( SS.seq[SS.notes_clicked - 1] == i) {

check_seq_finished();

}

else { /* player clicked the wrong note */

game_over(false);

}

function play_game(i) {

init_seq();

init_binds();

P(SS.seq);

SS.seq_length = 1;

play_seq();

}

window.onload = function() {

init_images();

init_sounds();

}

function P(i){

console.log(i);

}

Our game so far: simon_3.html

v4 – Variable sequences and CSS

simon_4.html: adding a field to input a length for the sequence and a link to the style file

<!DOCTYPE html>
<html lang="en-US">
    <head>
        <meta charset="UTF-8">
        <link rel="stylesheet" type="text/css" href="style.css" />
        <title>Simon Says</title>
    </head>

    <body>
        <div id = "container">
            <div id = "header">
                <h1 id = "title">Simon Says!</h1>
            </div>

            <div id = "game">
                <img id="lb_0" onclick="lb_click(0)" src="images/lb_off.png" width="100" height="188">
                <img id="lb_1" onclick="lb_click(1)" src="images/lb_off.png" width="100" height="188">
                <img id="lb_2" onclick="lb_click(2)" src="images/lb_off.png" width="100" height="188">
                <img id="lb_3" onclick="lb_click(3)" src="images/lb_off.png" width="100" height="188">
                <img id="lb_4" onclick="lb_click(4)" src="images/lb_off.png" width="100" height="188">
            </div>

            <div id = "footer">
                <form id="my_form">
                    Max. sequence length: <input id="seq_len" type="text" size="1">
                </form>
                <button id="btn_0" type="button" onclick="play_game()">Play!</button>
            </div>
        </div>
        <script type="text/javascript" src="lib4.js"></script>
    </body>
</html>

<!DOCTYPE html>

<head>

<title>Simon Says</title>

</head>

<body>

<h1 id = "title">Simon Says!</h1>

</div>

</div>

Max. sequence length: <input id="seq_len" type="text" size="1">

</form>

</div>

</body>

</html>

lib4.js: finishing touches

var SS = {};  // Global object container

function init_images() {
    SS.img_off = "images/lb_off.png";

    SS.img_on = [ "images/lb_yellow.png",
                  "images/lb_blue.png",
                  "images/lb_green.png",
                  "images/lb_red.png",
                  "images/lb_purple.png"];

    SS.n = SS.img_on.length;

    SS.img_delay = 800;  
}

function init_sounds() {
    var snd_file = [ "sounds/f_sharp.wav",
                     "sounds/g_sharp.wav",
                     "sounds/a_sharp.wav",
                     "sounds/c_sharp.wav",
                     "sounds/d_sharp.wav"]
    var n = SS.n;  // dereference

    SS.lb_snd = new Array(n);
    for (var i = 0; i < n; i++ ) {
        SS.lb_snd[i] = new Audio( snd_file[i] );
    }

    SS.success_snd = new Audio("sounds/applause.wav");
    SS.failure_snd = new Audio("sounds/aww.wav");
}

function init_max_notes() {
    SS.max_notes = 5;
    document.getElementById("seq_len").value = SS.max_notes;
}

function set_max_notes(){
    /* simple validation */
    var val = document.getElementById("seq_len").value;
    var n = parseInt(val,10); /* the number and the radix */
    if (n > 0 && n < 100) {
        SS.max_notes = n;
    }
    else {
        document.getElementById("seq_len").value = SS.max_notes;
    }
}

function init_seq() {
    set_max_notes();
    P(SS.max_notes);

    SS.seq = new Array(SS.max_notes);
    for (var i = 0; i < SS.max_notes; i++) {
        SS.seq[i] = Math.floor(Math.random() * SS.n);
    }

    SS.seq_delay = SS.img_delay + 160;
    SS.interval_id = 0;
    SS.notes_played;
    SS.notes_clicked;
    SS.seq_length;
}

function init_binds(){
    document.addEventListener("click", onClick);
}

function turn_lb_on(i, image) {
    SS.lb_snd[i].load();
    SS.lb_snd[i].play();
    image.src = SS.img_on[i];
}

function turn_lb_off(image) {
    image.src = SS.img_off;
}

function lb_click(i) {
    var img_id = "lb_" + String(i);
    var image = document.getElementById(img_id);

    turn_lb_on(i, image);
    setTimeout( function(){turn_lb_off(image)}, SS.img_delay);
}

function play_one(){
    if (SS.notes_played < SS.seq_length) {
        lb_click( SS.seq[SS.notes_played] );
        SS.notes_played = SS.notes_played + 1;
    }
    else {
        clearInterval(SS.interval_id);
    }
}

function play_seq(){
    SS.notes_played = 0;
    SS.notes_clicked = 0;
    SS.interval_id = setInterval( function(){play_one()}, SS.seq_delay);
}

function game_over(player_won){
    document.removeEventListener('click', onClick);
    if (player_won) {
        SS.success_snd.play();
    }
    else {
        SS.failure_snd.play();
    }
}

function click_on_image(evt){
    var target_id;

    target_id = evt.target.id;
    if (null == target_id.match("lb_")) {
        return -1;
    }

    for (var i = 0; i < SS.n; i++) {
        lb_id = "lb_" + String(i);
        if (target_id == lb_id) {
            return i;
        }
    }
}

function check_seq_finished() {
    if (SS.notes_clicked != SS.seq_length) {
        return;
    }

    if (SS.notes_clicked < SS.max_notes) {
       SS.seq_length = SS.seq_length + 1;
       play_seq();
    }
    else {/* player won */
       game_over(true);
    }
}

function onClick(evt) {
    i = click_on_image(evt);
    if (i == -1) {
        return;
    }

    P("i = " + String(i));
    P("notes_clicked= " + String(SS.notes_clicked));
    lb_click(i);

    SS.notes_clicked = SS.notes_clicked + 1;
    if ( SS.seq[SS.notes_clicked - 1] == i) {
        check_seq_finished();
    } 
    else {     /* player clicked the wrong note */
        game_over(false);
    }
}

function play_game(i) {
    init_seq();
    init_binds();
    P(SS.seq);
    SS.seq_length = 1;
    play_seq();
}

window.onload = function() {
    init_images();
    init_sounds();
    init_max_notes();
}

function P(i){
    console.log(i);
}

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var SS = {}; // Global object container

function init_images() {

SS.img_off = "images/lb_off.png";

SS.img_on = [ "images/lb_yellow.png",

"images/lb_blue.png",

"images/lb_green.png",

"images/lb_red.png",

"images/lb_purple.png"];

SS.n = SS.img_on.length;

SS.img_delay = 800;

}

function init_sounds() {

var snd_file = [ "sounds/f_sharp.wav",

"sounds/g_sharp.wav",

"sounds/a_sharp.wav",

"sounds/c_sharp.wav",

"sounds/d_sharp.wav"]

var n = SS.n; // dereference

SS.lb_snd = new Array(n);

for (var i = 0; i < n; i++ ) {

SS.lb_snd[i] = new Audio( snd_file[i] );

}

SS.success_snd = new Audio("sounds/applause.wav");

SS.failure_snd = new Audio("sounds/aww.wav");

}

function init_max_notes() {

SS.max_notes = 5;

document.getElementById("seq_len").value = SS.max_notes;

}

function set_max_notes(){

/* simple validation */

var val = document.getElementById("seq_len").value;

var n = parseInt(val,10); /* the number and the radix */

if (n > 0 && n < 100) {

SS.max_notes = n;

}

else {

document.getElementById("seq_len").value = SS.max_notes;

}

function init_seq() {

set_max_notes();

P(SS.max_notes);

SS.seq = new Array(SS.max_notes);

for (var i = 0; i < SS.max_notes; i++) {

SS.seq[i] = Math.floor(Math.random() * SS.n);

}

SS.seq_delay = SS.img_delay + 160;

SS.interval_id = 0;

SS.notes_played;

SS.notes_clicked;

SS.seq_length;

}

function init_binds(){

document.addEventListener("click", onClick);

}

function turn_lb_on(i, image) {

SS.lb_snd[i].load();

SS.lb_snd[i].play();

image.src = SS.img_on[i];

}

function turn_lb_off(image) {

image.src = SS.img_off;

}

function lb_click(i) {

var img_id = "lb_" + String(i);

var image = document.getElementById(img_id);

turn_lb_on(i, image);

setTimeout( function(){turn_lb_off(image)}, SS.img_delay);

}

function play_one(){

if (SS.notes_played < SS.seq_length) {

lb_click( SS.seq[SS.notes_played] );

SS.notes_played = SS.notes_played + 1;

}

else {

clearInterval(SS.interval_id);

}

function play_seq(){

SS.notes_played = 0;

SS.notes_clicked = 0;

SS.interval_id = setInterval( function(){play_one()}, SS.seq_delay);

}

function game_over(player_won){

document.removeEventListener('click', onClick);

if (player_won) {

SS.success_snd.play();

}

else {

SS.failure_snd.play();

}

function click_on_image(evt){

var target_id;

target_id = evt.target.id;

if (null == target_id.match("lb_")) {

return -1;

}

for (var i = 0; i < SS.n; i++) {

lb_id = "lb_" + String(i);

if (target_id == lb_id) {

return i;

}

function check_seq_finished() {

if (SS.notes_clicked != SS.seq_length) {

return;

}

if (SS.notes_clicked < SS.max_notes) {

SS.seq_length = SS.seq_length + 1;

play_seq();

}

else {/* player won */

game_over(true);

}

function onClick(evt) {

i = click_on_image(evt);

if (i == -1) {

return;

}

P("i = " + String(i));

P("notes_clicked= " + String(SS.notes_clicked));

lb_click(i);

SS.notes_clicked = SS.notes_clicked + 1;

if ( SS.seq[SS.notes_clicked - 1] == i) {

check_seq_finished();

}

else { /* player clicked the wrong note */

game_over(false);

}

function play_game(i) {

init_seq();

init_binds();

P(SS.seq);

SS.seq_length = 1;

play_seq();

}

window.onload = function() {

init_images();

init_sounds();

init_max_notes();

}

function P(i){

console.log(i);

}

style.css: the style file

/* tile from http://luisabranches.com/ */
body {
	background-image: url("http://luisabranches.com/wp-content/uploads/2014/07/partiturailus.jpg");
	font-family: Helvetica, Arial, sans-serif;
}

#container {
	width: 700px;
	margin-top:20px;
	margin-left: auto;
	margin-right: auto;
	background: rgba(255,255,255,0.85);
	border-style: solid;
	border-color: #FFAAAA;
	border-width: 3px;
}

#header {
	background: #F2F5A9;
	height: 100px;
	width: 650px;
	margin-left: auto;
	margin-right: auto;
	margin-top:20px;
	margin-bottom:20px;
	border-color:#FFAAAA;;
	border-style:solid;
}

#title {
	color: red;
	font-size:48px;
	text-align: center;
}

#game{
	width:520px;
	height:210px;
	/* border-style:solid; */
	margin-left:auto;
	margin-right:auto;
	margin-bottom:20px;
	background: rgba(255,255,255,0.5);
}

#footer{
	background: #F2F5A9;;
	width:650px;
	height:65px;
	border-color:#FFAAAA;;
	border-style:solid;
	margin-left:auto;
	margin-right:auto;
	margin-bottom:20px;
}

#my_form{
	margin-top:20px;
	margin-left:10px;
	float:left;
	font-size:18px;
}

#seq_len{
	font-size:20px;
	text-align:center;
}

/* button from http://css-tricks.com/examples/ButtonMaker/# */
#btn_0 {
	float:right;
	margin-top:10px;
   	margin-right:10px;
   	text-align: center;
   	border-top: 1px solid #e0828f;
   	background: #de1b3b;
   	background: -webkit-gradient(linear, left top, left bottom, from(#de2846), to(#de1b3b));
   	background: -webkit-linear-gradient(top, #de2846, #de1b3b);
   	background: -moz-linear-gradient(top, #de2846, #de1b3b);
   	background: -ms-linear-gradient(top, #de2846, #de1b3b);
   	background: -o-linear-gradient(top, #de2846, #de1b3b);
   	padding: 10px 20px;
   	-webkit-border-radius: 16px;
   	-moz-border-radius: 16px;
   	border-radius: 16px;
   	-webkit-box-shadow: rgba(0,0,0,1) 0 1px 0;
   	-moz-box-shadow: rgba(0,0,0,1) 0 1px 0;
   	box-shadow: rgba(0,0,0,1) 0 1px 0;
   	text-shadow: rgba(0,0,0,.4) 0 1px 0;
   	color: #f7f30d;
   	font-size: 22px;
   	font-family: Helvetica, Arial, Sans-Serif;
   	text-decoration: none;
   	vertical-align: middle;
}

#btn_0:hover {
   border-top-color: #cf97ae;
   background: #cf97ae;
   color: #fcf008;
}

#btn_0:active {
   border-top-color: #f0ca09;
   background: #f0ca09;
}

100

101

102

103

104

105

106

/* tile from http://luisabranches.com/ */

body {

background-image: url("http://luisabranches.com/wp-content/uploads/2014/07/partiturailus.jpg");

font-family: Helvetica, Arial, sans-serif;

}

#container {

width: 700px;

margin-top:20px;

margin-left: auto;

margin-right: auto;

background: rgba(255,255,255,0.85);

border-style: solid;

border-color: #FFAAAA;

border-width: 3px;

}

#header {

background: #F2F5A9;

height: 100px;

width: 650px;

margin-left: auto;

margin-right: auto;

margin-top:20px;

margin-bottom:20px;

border-color:#FFAAAA;;

border-style:solid;

}

#title {

color: red;

font-size:48px;

text-align: center;

}

#game{

width:520px;

height:210px;

/* border-style:solid; */

margin-left:auto;

margin-right:auto;

margin-bottom:20px;

background: rgba(255,255,255,0.5);

}

#footer{

background: #F2F5A9;;

width:650px;

height:65px;

border-color:#FFAAAA;;

border-style:solid;

margin-left:auto;

margin-right:auto;

margin-bottom:20px;

}

#my_form{

margin-top:20px;

margin-left:10px;

float:left;

font-size:18px;

}

#seq_len{

font-size:20px;

text-align:center;

}

/* button from http://css-tricks.com/examples/ButtonMaker/# */

#btn_0 {

float:right;

margin-top:10px;

margin-right:10px;

text-align: center;

border-top: 1px solid #e0828f;

background: #de1b3b;

background: -webkit-gradient(linear, left top, left bottom, from(#de2846), to(#de1b3b));

background: -webkit-linear-gradient(top, #de2846, #de1b3b);

background: -moz-linear-gradient(top, #de2846, #de1b3b);

background: -ms-linear-gradient(top, #de2846, #de1b3b);

background: -o-linear-gradient(top, #de2846, #de1b3b);

padding: 10px 20px;

-webkit-border-radius: 16px;

-moz-border-radius: 16px;

border-radius: 16px;

-webkit-box-shadow: rgba(0,0,0,1) 0 1px 0;

-moz-box-shadow: rgba(0,0,0,1) 0 1px 0;

box-shadow: rgba(0,0,0,1) 0 1px 0;

text-shadow: rgba(0,0,0,.4) 0 1px 0;

color: #f7f30d;

font-size: 22px;

font-family: Helvetica, Arial, Sans-Serif;

text-decoration: none;

vertical-align: middle;

}

#btn_0:hover {

border-top-color: #cf97ae;

background: #cf97ae;

color: #fcf008;

}

#btn_0:active {

border-top-color: #f0ca09;

background: #f0ca09;

}

The final result (click on the image to play):
Yay! We did it!

Code Perspectives – STEM Intros

Science, Technology, Engineering, and Math intros

8 – Simon Says – comparing sequences

Class work

Topics for today

Workfiles

V3 – Sequence comparison

v4 – Variable sequences and CSS