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Ingy döt Net 2013-04-10 23:57:08 -07:00
parent 47bf37c096
commit b83f433714
12433 changed files with 156208 additions and 123 deletions
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10
Task/Number-reversal-game/JavaScript/number-reversal-game-1.js Normal file
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<html>
<head>
<title>Number Reversal Game</title>
</head>
<body>
<div id="start"></div>
<div id="progress"></div>
<div id="score"></div>
<script type="text/javascript">

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Task/Number-reversal-game/JavaScript/number-reversal-game-2.js Normal file
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function endGame(progress) {
var scoreId = progress.scoreId,
result = 'You took ' + progress.count + ' attempts to put the digits in order!';
if (progress.abort === true) {
result = 'Game aborted.';
}
document.getElementById(scoreId).innerHTML = result;
}
function reverseFirstN(arr, n) {
var reversed = arr.slice(0, n).reverse();
return reversed.concat(arr.slice(n));
}
function isSorted(arr) {
return arr.slice(0).sort().toString() === arr.toString();
}
function gameLoop(progress) {
if (isSorted(progress.arr)) {
endGame(progress);
} else {
var n = parseInt(window.prompt('How many elements to reverse?', ''), 10);
if (isNaN(n)) {
progress.abort = true;
} else {
progress.arr = reverseFirstN(progress.arr, n);
progress.innerHTML += '<p>' + progress.arr + '</p>';
progress.count += 1;
}
if (progress.abort !== true) {
// allow window to repaint before next guess
setTimeout(function () {
gameLoop(progress);
}, 1);
}
}
}
function knuth_shuffle(a) {
var n = a.length,
r,
temp;
while (n > 1) {
r = Math.floor(n * Math.random());
n -= 1;
temp = a[n];
a[n] = a[r];
a[r] = temp;
}
return a;
}
function playGame(startId, progressId, scoreId) {
var progress = document.getElementById(progressId);
progress.arr = knuth_shuffle([1, 2, 3, 4, 5, 6, 7, 8, 9]);
document.getElementById(startId).innerHTML = '<p>' + progress.arr.toString() + '</p>';
progress.count = 0;
progress.scoreId = scoreId;
// allow window to repaint before prompting for a guess
setTimeout(function () {
gameLoop(progress);
}, 1);
}
playGame('start', 'progress', 'score');

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Task/Number-reversal-game/JavaScript/number-reversal-game-3.js Normal file
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</script>
</body>
</html>