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index.html
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<html>
<title>Keyboard Letters Game</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<style>
html, body {
width: 100%;
height: 100%;
padding: 0;
margin: 0;
overflow: hidden;
}
body {
background: DARKGREY;
font-family: Verdana, Helvetica, Arial, sans-serif;
}
span.letter {
font-size: 16em;
font-weight: bold;
/*text-shadow: 8px 8px 11px rgba(150, 150, 150, 0.74);*/
text-shadow: -5px 0 black, 0 5px black, 5px 0 black, 0 -5px black;
z-index:-99;
}
span.image {
border: solid black 5px;
background: WHITE;
z-index:-99;
}
#instructions {
font-size: 1.2em;
color: WHITE;
padding:20px;
text-align:center;
}
select {
background: DARKGREY;
border:1px #444444 solid;
}
#settingsPanel {
background: DARKGREY;
z-index:99;
position: absolute;
right:8px;
bottom:8px;
padding:2px;
font-size:0.8em;
}
#infoAndCredits {
z-index:99;
position: absolute;
left:8px;
bottom:8px;
padding:2px;
font-size:0.8em;
}
#credits {
font-size:0.7em;
}|
</style>
<script>
var allLetters = '';
var allElements = [];
var keyheld = false;
var voice = null;
var voices = null;
var mode = null;
var timer = null;
var words = {
"A": { word: "Apple", image: "https://upload.wikimedia.org/wikipedia/commons/thumb/c/c1/Fuji_apple.jpg/320px-Fuji_apple.jpg", imageCredits: "<a href='https://commons.wikimedia.org/wiki/File:Fuji_apple.jpg'>Fuji apple - Scott Bauer of USDA ARS (PD)</a> (via <a href='https://en.wikibooks.org/wiki/Wikijunior:Alphabet/A'>WikiJunior Alphabet</a>)", collections: ['wikibooks-alphabet']},
"B": { word: "Ball", image: "https://upload.wikimedia.org/wikipedia/commons/7/7f/Generic_football.png", imageCredits: "<a href='https://www.freeimages.com/photo/soccer-ball-1466760'>Ball by Christopher Bruno</a> & <a href='https://commons.wikimedia.org/wiki/File:Generic_football.png'>Ed g2s (CC BY-SA 2.0)</a> (via <a href='https://en.wikibooks.org/wiki/Wikijunior:Alphabet/B'>WikiJunior Alphabet</a>)", collections: ['wikibooks-alphabet'] },
"C": { word: "Cat", image: "https://upload.wikimedia.org/wikipedia/commons/thumb/d/da/Black_hills_cat-tochichi.jpg/320px-Black_hills_cat-tochichi.jpg", imageCredits: "<a href='https://www.flickr.com/photos/tochichi/132178076/'>Cat by tochichi (CC BY-SA 2.0)</a> (via <a href='https://en.wikibooks.org/wiki/Wikijunior:Alphabet/C'>WikiJunior Alphabet</a>)", collections: ['wikibooks-alphabet'] },
"D": { word: "Dog", image: "https://upload.wikimedia.org/wikipedia/commons/thumb/8/80/Siberian_husky1.JPG/320px-Siberian_husky1.JPG", imageCredits: "<a href='https://commons.wikimedia.org/wiki/File:Siberian_husky1.JPG'>Siberian husky1 by Huskyfellaboy (PD)</a> (via <a href='https://en.wikibooks.org/wiki/Wikijunior:Alphabet/D'>WikiJunior Alphabet</a>)", collections: ['wikibooks-alphabet'] },
"E": { word: "Egg", image: "https://upload.wikimedia.org/wikipedia/commons/thumb/1/1c/Natural_Easter_Colored_Eggs.jpg/320px-Natural_Easter_Colored_Eggs.jpg", imageCredits: "<a href='https://www.flickr.com/photos/merydith/5462639477/'>Natural Easter Colored Eggs - Will Curran (CC BY-SA 2.0)</a> (via <a href='https://en.wikibooks.org/wiki/Wikijunior:Alphabet/E'>WikiJunior Alphabet</a>)", collections: ['wikibooks-alphabet'] },
"F": { word: "Fish", image: "https://upload.wikimedia.org/wikipedia/commons/thumb/7/72/Pseudorasbora_parva%28edited_version%29.jpg/320px-Pseudorasbora_parva%28edited_version%29.jpg", imageCredits: "<a href='https://commons.wikimedia.org/wiki/File:Pseudorasbora_parva%28edited_version%29.jpg'>Pseudorasbora parva - User:Seotaro (CC BY-SA 3.0)s</a> (via <a href='https://en.wikibooks.org/wiki/Wikijunior:Alphabet/F'>WikiJunior Alphabet</a>)", collections: ['wikibooks-alphabet'] },
"G": { word: "Gate", image: "https://upload.wikimedia.org/wikipedia/commons/thumb/0/0c/Garden_Gate.JPG/360px-Garden_Gate.JPG", imageCredits: "<a href='https://commons.wikimedia.org/wiki/File:Garden_Gate.JPG'>Garden Gate - Eptalon (CC BY-SA 3.0)</a> (via <a href='https://en.wikibooks.org/wiki/Wikijunior:Alphabet/G'>WikiJunior Alphabet</a>)", collections: ['wikibooks-alphabet'] },
"H": { word: "Horse", image: "https://upload.wikimedia.org/wikipedia/commons/thumb/7/72/Bess2.jpg/279px-Bess2.jpg", imageCredits: "<a href='https://commons.wikimedia.org/wiki/File:Bess2.jpg'>Bess2 - Martin Bahmann (CC BY-SA 3.0)</a> (via <a href='https://en.wikibooks.org/wiki/Wikijunior:Alphabet/H'>WikiJunior Alphabet</a>)", collections: ['wikibooks-alphabet'] },
"I": { word: "Igloo", image: "https://upload.wikimedia.org/wikipedia/commons/9/99/Igloo_outside.jpg", imageCredits: "<a href='https://commons.wikimedia.org/wiki/File:Igloo_outside.jpg'>Igloo outside - Alpo Hassinen (CC BY-SA 3.0)</a> (via <a href='https://en.wikibooks.org/wiki/Wikijunior:Alphabet/I'>WikiJunior Alphabet</a>)", collections: ['wikibooks-alphabet'] },
"J": { word: "Jam", image: "https://upload.wikimedia.org/wikipedia/commons/thumb/b/b1/Marmeladesorten.jpg/320px-Marmeladesorten.jpg", imageCredits: "<a href='https://commons.wikimedia.org/wiki/File:Marmeladesorten.jpg'>Marmeladesorten - Alice Wiegand (CC-BY-SA-3.0)</a> (via <a href='https://en.wikibooks.org/wiki/Wikijunior:Alphabet/J'>WikiJunior Alphabet</a>)", collections: ['wikibooks-alphabet'] },
"K": { word: "Kangaroo", image: "https://upload.wikimedia.org/wikipedia/commons/thumb/b/b9/Kangaroo1.jpg/210px-Kangaroo1.jpg", imageCredits: "<a href='https://commons.wikimedia.org/wiki/File:Kangaroo1.jpg'>Kangaroo - User:Raul654 (CC BY-SA 3.0)</a> (via <a href='https://en.wikibooks.org/wiki/Wikijunior:Alphabet/K'>WikiJunior Alphabet</a>)", collections: ['wikibooks-alphabet'] },
"L": { word: "Lion", image: "https://upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Lion-1.jpg/320px-Lion-1.jpg", imageCredits: "<a href='https://commons.wikimedia.org/wiki/File:Lion-1.jpg'>Lion - William H. Majoros (CC BY-SA 3.0)</a> (via <a href='https://en.wikibooks.org/wiki/Wikijunior:Alphabet/L'>WikiJunior Alphabet</a>)", collections: ['wikibooks-alphabet'] },
"M": { word: "Mouse", image: "https://upload.wikimedia.org/wikipedia/commons/thumb/b/bd/Apodemus_sylvaticus_bosmuis.jpg/320px-Apodemus_sylvaticus_bosmuis.jpg", imageCredits: "<a href='https://commons.wikimedia.org/wiki/File:Apodemus_sylvaticus_bosmuis.jpg'>Apodemus sylvaticus bosmuis - User:Rasbak (CC BY-SA 3.0)</a> (via <a href='https://en.wikibooks.org/wiki/Wikijunior:Alphabet/M'>WikiJunior Alphabet</a>)", collections: ['wikibooks-alphabet'] },
"N": { word: "Nest", image: "https://upload.wikimedia.org/wikipedia/commons/thumb/e/e1/Hausrotschwanz_Brutpflege_2006-05-24_211.jpg/320px-Hausrotschwanz_Brutpflege_2006-05-24_211.jpg", imageCredits: "<a href='https://commons.wikimedia.org/wiki/File:Hausrotschwanz_Brutpflege_2006-05-24_211.jpg'>Hausrotschwanz Brutpflege - User:Stefan-Xp (CC BY-SA 3.0)</a> (via <a href='https://en.wikibooks.org/wiki/Wikijunior:Alphabet/N'>WikiJunior Alphabet</a>)", collections: ['wikibooks-alphabet'] },
"O": { word: "Octopus", image: "https://upload.wikimedia.org/wikipedia/commons/thumb/e/ee/Expl0717_-_Flickr_-_NOAA_Photo_Library.jpg/320px-Expl0717_-_Flickr_-_NOAA_Photo_Library.jpg", imageCredits: "<a href='https://www.flickr.com/photos/noaaphotolib/5083608905/'>Octopus - NOAA Photo Library< (CC BY 2.0)/a> (via <a href='https://en.wikibooks.org/wiki/Wikijunior:Alphabet/O'>WikiJunior Alphabet</a>)", collections: ['wikibooks-alphabet'] },
"P": { word: "Parrot", image: "https://upload.wikimedia.org/wikipedia/commons/thumb/9/91/Rose-ringed_Parakeet_%28Psittacula_krameri%29_-male2.jpg/201px-Rose-ringed_Parakeet_%28Psittacula_krameri%29_-male2.jpg", imageCredits: "<a href='https://www.flickr.com/photos/49296659@N00/74606587'>Rose-ringed Parakeet - Charles Lam (CC BY-SA 2.0)</a> (via <a href='https://en.wikibooks.org/wiki/Wikijunior:Alphabet/P'>WikiJunior Alphabet</a>)", collections: ['wikibooks-alphabet'] },
"Q": { word: "Queen", image: "https://upload.wikimedia.org/wikipedia/commons/thumb/9/9c/Queen_Victoria_1887.jpg/287px-Queen_Victoria_1887.jpg", imageCredits: "<a href='https://commons.wikimedia.org/wiki/File:Queen_Victoria_1887.jpg'>Queen Victoria 1887 - Royal Collection (PD)</a> (via <a href='https://en.wikibooks.org/wiki/Wikijunior:Alphabet/Q'>WikiJunior Alphabet</a>)", collections: ['wikibooks-alphabet'] },
"R": { word: "Rabbit", image: "https://upload.wikimedia.org/wikipedia/commons/4/48/American_Grand_Champion_Dutch_Rabbit.jpg", imageCredits: "<a href='https://commons.wikimedia.org/wiki/File:American_Grand_Champion_Dutch_Rabbit.jpg'>American Grand Champion Dutch Rabbit - User:Bunnybri (CC BY-SA 3.0)</a> (via <a href='https://en.wikibooks.org/wiki/Wikijunior:Alphabet/R'>WikiJunior Alphabet</a>)", collections: ['wikibooks-alphabet'] },
"S": { word: "Sun", image: "https://upload.wikimedia.org/wikipedia/commons/thumb/7/7c/April_dawn.jpg/500px-April_dawn.jpg", imageCredits: "<a href='https://commons.wikimedia.org/wiki/File:April_dawn.jpg'>April dawn - User:Fir0002 (CC BY-SA 3.0)</a> (via <a href='https://en.wikibooks.org/wiki/Wikijunior:Alphabet/S'>WikiJunior Alphabet</a>)", collections: ['wikibooks-alphabet'] },
"T": { word: "Turtle", image: "https://upload.wikimedia.org/wikipedia/commons/thumb/1/1e/Sea_Turtle.jpg/500px-Sea_Turtle.jpg", imageCredits: "<a href='https://commons.wikimedia.org/wiki/File:Sea_Turtle.jpg'>Sea Turtle - NASA (PD)</a> (via <a href='https://en.wikibooks.org/wiki/Wikijunior:Alphabet/T'>WikiJunior Alphabet</a>)", collections: ['wikibooks-alphabet'] },
"U": { word: "Umbrella", image: "https://upload.wikimedia.org/wikipedia/commons/0/06/Umbrella.png", imageCredits: "<a href='https://commons.wikimedia.org/wiki/File:Umbrella.png'>Umbrella - cdc.gov (PD)</a> (via <a href='https://en.wikibooks.org/wiki/Wikijunior:Alphabet/U'>WikiJunior Alphabet</a>)", collections: ['wikibooks-alphabet'] },
"V": { word: "Volcano", image: "https://upload.wikimedia.org/wikipedia/commons/thumb/1/18/Augustine_Volcano_Jan_12_2006.jpg/500px-Augustine_Volcano_Jan_12_2006.jpg", imageCredits: "<a href='https://commons.wikimedia.org/wiki/File:Augustine_Volcano_Jan_12_2006.jpg'>Augustine Volcano - USGS (PD)</a> (via <a href='https://en.wikibooks.org/wiki/Wikijunior:Alphabet/V'>WikiJunior Alphabet</a>)", collections: ['wikibooks-alphabet'] },
"W": { word: "Window", image: "https://upload.wikimedia.org/wikipedia/commons/thumb/6/6a/Gordijnen_aan_venster.JPG/500px-Gordijnen_aan_venster.JPG", imageCredits: "<a href='https://commons.wikimedia.org/wiki/File:Gordijnen_aan_venster.JPG'>Gordijnen aan venster - User:Nieuw (CC BY-SA 3.0)</a> (via <a href='https://en.wikibooks.org/wiki/Wikijunior:Alphabet/W'>WikiJunior Alphabet</a>)", collections: ['wikibooks-alphabet'] },
"X": { word: "Xylophone", image: "https://upload.wikimedia.org/wikipedia/commons/thumb/f/f7/Toy_xylophone.jpg/500px-Toy_xylophone.jpg", imageCredits: "<a href='https://www.flickr.com/photos/8514720@N04/9272785557'>Toy xylophone - Frédérique Voisin-Demery (CC BY 2.0)</a> (via <a href='https://en.wikibooks.org/wiki/Wikijunior:Alphabet/X'>WikiJunior Alphabet</a>)", collections: ['wikibooks-alphabet'] },
"Y": { word: "Yo yo", image: "https://upload.wikimedia.org/wikipedia/commons/9/92/Wooden_yo-yo.jpg", imageCredits: "<a href='https://www.flickr.com/photos/xulianconx/824067292/'>Wooden yo-yo - Xulian Nava (CC BY-SA 2.0)</a> (via <a href='https://en.wikibooks.org/wiki/Wikijunior:Alphabet/Y'>WikiJunior Alphabet</a>)", collections: ['wikibooks-alphabet'] },
"Z": { word: "Zebra", image: "https://upload.wikimedia.org/wikipedia/commons/5/53/Zebra_rownikowa_Equus_burchelli_boehmi_RB3.jpg", imageCredits: "<a href='https://commons.wikimedia.org/wiki/File:Zebra_rownikowa_Equus_burchelli_boehmi_RB3.jpg'>Zebra - User:Radomil (CC BY-SA 3.0)</a> (via <a href='https://en.wikibooks.org/wiki/Wikijunior:Alphabet/Z'>WikiJunior Alphabet</a>)", collections: ['wikibooks-alphabet'] }
};
var animals = {
'CAT': 'mee-ow!',
'DOG': 'woof!',
'COW': 'moo!',
'FROG': 'croak',
'BEE': 'buzz',
'TURKEY': 'gobble!',
'PIG': 'oink!',
'SHEEP': 'baa!'
};
function init() {
initMode();
timer = setInterval(function() {
voices = speechSynthesis.getVoices();
if (voices.length !== 0) {
voice = setVoice();
clearInterval(timer);
}
}, 200);
}
window.speechSynthesis.onvoiceschanged = function() {
voice = setVoice();
};
document.onkeyup = function(e) {
keyheld = false;
}
document.onkeypress = function(e) {
e = e || window.event;
var charCode = (typeof e.which == "number") ? e.which : e.keyCode;
if (charCode && !keyheld) {
var text = String.fromCharCode(charCode).toUpperCase();
doLetter(text);
}
};
function doLetter(letter) {
document.getElementById('instructions').style.display = 'none';
text = letter;
if (mode=='words' || mode=='letter-is-for-word') {
wordData = words[letter];
text = wordData.word;
if (mode=='letter-is-for-word') {
text = letter + ", is for, " + text;
}
var imageCredits = "Open licensed images via <a href='https://en.wikibooks.org/wiki/Wikijunior:Alphabet'>WikiJunior Alphabet</a>";
if (wordData.imageCredits != null) imageCredits = wordData.imageCredits;
showImage(wordData.image, imageCredits);
}
if (letter == "=") text="equals";
if (letter == "+") text="plus";
if (letter == "-") text="minus";
var mid_sum = (allLetters.length>0 && allLetters[allLetters.length-1].match(/\d/))
if ((letter == "X" || letter == "*") && mid_sum) { text="times"; letter = "x" }
if ((letter == "/" || letter == "÷") && mid_sum) { text="divided by"; letter = "÷" }
say(text.toLowerCase());
allLetters += letter;
for (animal in animals) {
if(allLetters.endsWith(animal)) say(animals[animal]);
}
if (letter=="=") {
var answer = doSums(allLetters);
if (answer!=null && answer!=undefined) {
letter += answer;
say(answer);
}
}
drawColourfulText(letter);s
keyheld = true;
truncate();
}
function doSums(allLetters) {
var pos = allLetters.length - 2;
var sum = ""
var found_start_of_sum = false
while(!found_start_of_sum) {
var onChar = allLetters[pos];
if (onChar=="÷") onChar="/";
if (onChar=="x") onChar="*";
if (onChar.match(/[+-/*0123456789]/i)) {
sum = onChar + sum;
} else {
found_start_of_sum = true;
}
if (pos==0) found_start_of_sum = true;
pos -= 1;
}
return eval(sum);
}
function drawColourfulText(text) {
var elem = document.createElement("span");
elem.setAttribute("class", "letter");
elem.textContent = text;
elem.style.position = "absolute";
document.body.appendChild(elem);
var x = Math.round(Math.random() * (window.innerWidth - elem.clientWidth));
var y = Math.round(Math.random() * (window.innerHeight - (elem.clientHeight - 100))) - 70;
elem.style.left = x + "px";
elem.style.top = y + "px";
elem.style.color = randomLightColour(); //colours[Math.floor(Math.random()*colours.length)];
allElements.push(elem);
}
document.onclick = function() {
if (allLetters=='') allLetters='@'; // before start of the alphabet
lastLetter = allLetters[allLetters.length -1];
nextLetter = String.fromCharCode(lastLetter.charCodeAt(0) + 1)
if (lastLetter == 'Z') {
say('alphabet!');
allLetters = '';
} else if (lastLetter == '9') {
doLetter('10');
} else {
doLetter(nextLetter);
}
};
function truncate() {
var maxLenParam = getParameterByName('maxlen');
if (maxLenParam == null) return;
var maxLength = parseInt(maxLenParam || '50');
if (maxLength < 1) return;
if (mode=='words') maxLength = maxLength * 2;
// Clean up so that there are only a certain amount of letters on screen.
while (allElements.length > maxLength) {
var removed = allElements.shift();
document.body.removeChild(removed);
}
if (allLetters.length > allElements.length) {
allLetters = allLetters.substring(allLetters.length - allElements.length);
}
}
function say(text) {
if (getParameterByName('voice') != 'None') {
var utterance = new SpeechSynthesisUtterance(text);
if (voice==null) voice=setVoice();
if (voice!=null) utterance.voice = voice
window.speechSynthesis.speak(utterance);
}
}
function showImage(imageURL, imageCredits) {
if (imageURL=='') return;
var elem = document.createElement("span");
elem.setAttribute("class", "image");
elem.innerHTML = "<img src='" + imageURL + "'>";
elem.style.position = "absolute";
document.body.appendChild(elem);
var x = Math.round(Math.random() * (window.innerWidth - elem.clientWidth));
var y = Math.round(Math.random() * (window.innerHeight - elem.clientHeight));
elem.style.left = x + "px";
elem.style.top = y + "px";
allElements.push(elem);
document.getElementById('credits').innerHTML = imageCredits;
}
function setVoice() {
var langParam = getParameterByName('lang');
var voiceName = getParameterByName('voice');
var lang = langParam
if (langParam==null && voiceName==null) {
//Get browser langauge
lang = navigator.languages ? navigator.languages[0] : (navigator.language || navigator.userLanguage)
}
if (lang!==null) lang=lang.toLowerCase();
voices = window.speechSynthesis.getVoices();
var found = null;
var availableLangs = [];
var voicesByName = {};
for (var i=0; i<voices.length; i++) {
var v = voices[i];
if (availableLangs.indexOf(v.lang) == -1) availableLangs.push(v.lang);
voicesByName[v.name] = v.lang;
if (found == null) {
if (v.name==voiceName) found = v;
if (v.lang.toLowerCase()==lang) found = v;
}
}
if (voiceName=='None') {
updateVoiceChoice(voicesByName, 'None');
return null;
}
if (found==null) {
if (window.langParameter && lang!=null) {
alert('No voice for lang ' + lang + "\n\n" +
'Available langs: ' + availableLangs.join());
}
if (voiceName!=null) alert('No voice for with name ' + voiceName);
found = voices[0];
}
updateVoiceChoice(voicesByName, found.name);
return found;
}
function updateVoiceChoice(voicesByName, selectedName) {
elem = document.getElementById('voicePicker');
names = Object.keys(voicesByName);
names.push('None');
optionTags = '';
for (var i=0; i<names.length; i++) {
sel = '';
if (names[i]==selectedName) sel='selected';
optionTags += '<option value="' + names[i] + '" ' + sel + '>' + names[i] + '</option>';
}
elem.innerHTML = optionTags;
}
function voicePicked(elem) {
reloadSettings();
}
function modePicked(elem) {
mode = elem.value;
reloadSettings();
}
function reloadSettings() {
var voiceName = document.getElementById('voicePicker').value;
window.location = "?mode=" + mode + "&voice=" + encodeURI(voiceName);
}
function initMode() {
mode = getParameterByName('mode');
if (mode==null) mode = 'letter-is-for-word';
document.getElementById('modePicker').value = mode;
if (mode=='words' || mode=='letter-is-for-word') {
for (var i in words) {
wordData = words[i];
preloadImage(wordData.image);
}
}
}
function preloadImage (url) {
try {
var elem = document.createElement("span");
elem.setAttribute("class", "image");
elem.innerHTML = "<img src='" + url + "'>";
} catch (e) { }
}
function randomLightColour() {
var hue = Math.random() * 360;
var saturation = 100;
var varience = 50;
return 'hsl(' + hue + ', ' + saturation + '%, ' + varience + '%)';
}
// http://stackoverflow.com/a/901144/338265
function getParameterByName(name) {
var url = window.location.href;
name = name.replace(/[\[\]]/g, "\\$&");
var regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)"),
results = regex.exec(url);
if (!results) return null;
if (!results[2]) return '';
return decodeURIComponent(results[2].replace(/\+/g, " "));
}
</script>
</html>
<body onLoad="init();">
<div id="settingsPanel">
<label for="voicePicker">Voice:</label>
<select id="voicePicker" onChange="voicePicked(this);">
<option value="Alex">Alex</option>
<option value="None">None</option>
</select>
<label for="modePicker">Mode:</label>
<select id="modePicker" onChange="modePicked(this);">
<option value="letter-is-for-word">letter is for word</option>
<option value="letters">letters</option>
<option value="words">words</option>
</select>
</div>
<div id="instructions">
If you are a baby, whack your keyboard randomly now
</div>
<div id="infoAndCredits">
(<a href="//harrywood.co.uk/blog/2016/09/10/keyboard-letters-game/" title="Blog post about this">About</a>)
<span id="credits">
</span>
</div>
</body>
</html>