164 lines
5.4 KiB
HTML
164 lines
5.4 KiB
HTML
<!DOCTYPE html>
|
|
<html>
|
|
|
|
<head>
|
|
<title>Markov Chains are cool</title>
|
|
|
|
<link rel="stylesheet" type="text/css" href="main.css">
|
|
<meta charset="utf-8">
|
|
</head>
|
|
|
|
<body>
|
|
<div class="container">
|
|
<div class="buttons">
|
|
<span class="button" onclick="rock();">✊</span>
|
|
<span class="button" onclick="paper();">✋</span>
|
|
<span class="button" onclick="scissors();">✌</span>
|
|
</div>
|
|
<hr />
|
|
<div id="versus">
|
|
<span class="text">you →</span><span class="button" id="player">✊</span>
|
|
<span class="text" style="display: inline-block; vertical-align: middle;">VS</span>
|
|
<span class="button" id="com">✊</span><span class="text">← me</span>
|
|
<br />
|
|
<span style="color: gold" class="large" id="result">Computer Wins</span>
|
|
<hr />
|
|
</div>
|
|
<div class="stats">
|
|
<div class="large" style="vertical-align: middle;text-align: center;">stats</div>
|
|
<span class="text">
|
|
computer wins: <span id="loss">0</span><br />
|
|
 expected: <span id="loss_expected">0</span><br /><br />
|
|
player wins: <span id="win">0</span><br />
|
|
 expected: <span id="win_expected">0</span> <br /><br />
|
|
ties: <span id="tie">0</span><br />
|
|
 expected: <span id="tie_expected">0</span><br />
|
|
</span>
|
|
<br />
|
|
</div>
|
|
</div>
|
|
|
|
<footer>
|
|
<hr />
|
|
<ul>
|
|
<li><a href="http://www.thepaperpilot.org/">website</a></li>
|
|
<li><a href="https://github.com/thepaperpilot">github</a></li>
|
|
<li><a href="https://www.linkedin.com/pub/anthony-lawn/a9/a98/2">linkedin</a></li>
|
|
<li><a href="https://drive.google.com/uc?export=download&id=0B4xCmMA9eS2jZExWTGhtbS1nT0k">resume</a></li>
|
|
</ul>
|
|
</footer>
|
|
</body>
|
|
|
|
<script>
|
|
var games = 0;
|
|
|
|
var wins = 0;
|
|
var ties = 0;
|
|
var losses = 0;
|
|
|
|
var last_round = -1;
|
|
|
|
// I start with 2 instead of 0 so that there is a bias towards uniform randomness at the beginning
|
|
var markov =
|
|
[ [ 2, 2, 2 ],
|
|
[ 2, 2, 2 ],
|
|
[ 2, 2, 2 ],
|
|
[ 2, 2, 2 ],
|
|
[ 2, 2, 2 ],
|
|
[ 2, 2, 2 ],
|
|
[ 2, 2, 2 ],
|
|
[ 2, 2, 2 ],
|
|
[ 2, 2, 2 ] ];
|
|
|
|
function rock() {
|
|
document.getElementById("player").innerText = document.createTextNode("✊").textContent;
|
|
appear(0);
|
|
}
|
|
|
|
function paper() {
|
|
document.getElementById("player").innerText = document.createTextNode("✋").textContent;
|
|
appear(1);
|
|
}
|
|
|
|
function scissors() {
|
|
document.getElementById("player").innerText = document.createTextNode("✌").textContent;
|
|
appear(2);
|
|
}
|
|
|
|
function appear(player) {
|
|
document.getElementById("versus").style.display = "block";
|
|
games += 1;
|
|
document.getElementById("win_expected").innerText = document.createTextNode(Math.round(games / 3)).textContent;
|
|
document.getElementById("tie_expected").innerText = document.createTextNode(Math.round(games / 3)).textContent;
|
|
document.getElementById("loss_expected").innerText = document.createTextNode(Math.round(games / 3)).textContent;
|
|
switch (calcWinner(player, calcComputer())) {
|
|
case -1:
|
|
wins += 1;
|
|
document.getElementById("win").innerText = document.createTextNode(wins).textContent;
|
|
break;
|
|
case 0:
|
|
ties += 1;
|
|
document.getElementById("tie").innerText = document.createTextNode(ties).textContent;
|
|
break;
|
|
case 1:
|
|
losses += 1;
|
|
document.getElementById("loss").innerText = document.createTextNode(losses).textContent;
|
|
break;
|
|
}
|
|
}
|
|
|
|
function calcComputer() {
|
|
console.log("last round:" + last_round);
|
|
|
|
var rock = 1;
|
|
var paper = 1;
|
|
var scissors = 1;
|
|
|
|
if (last_round !== -1) {
|
|
rock = markov[last_round][0];
|
|
paper = markov[last_round][1];
|
|
scissors = markov[last_round][2];
|
|
console.log("odds:");
|
|
console.log(rock);
|
|
console.log(paper);
|
|
console.log(scissors);
|
|
}
|
|
|
|
var total = rock + paper + scissors;
|
|
|
|
var random = Math.random();
|
|
console.log(random);
|
|
if (random <= rock/total) {
|
|
document.getElementById("com").innerText = document.createTextNode("✋").textContent;
|
|
return 1; // return paper
|
|
}
|
|
if (random <= (rock + paper)/total) {
|
|
document.getElementById("com").innerText = document.createTextNode("✌").textContent;
|
|
return 2; // return scissors
|
|
}
|
|
document.getElementById("com").innerText = document.createTextNode("✊").textContent;
|
|
return 0; // return rock
|
|
}
|
|
|
|
function calcWinner(player, computer) {
|
|
console.log("player: " + player);
|
|
console.log("computer: " + computer);
|
|
if (last_round !== -1) {
|
|
markov[last_round][player]++;
|
|
console.log("incremented markov[" + last_round + "][" + player + "]");
|
|
}
|
|
last_round = 3 * player + computer;
|
|
if (player > computer || player === 0 && computer === 2) {
|
|
document.getElementById("result").innerText = document.createTextNode("Player Wins").textContent;
|
|
return -1;
|
|
} else if (player < computer || player === 2 && computer === 0) {
|
|
document.getElementById("result").innerText = document.createTextNode("Computer Wins").textContent;
|
|
return 1;
|
|
} else {
|
|
document.getElementById("result").innerText = document.createTextNode("Tie").textContent;
|
|
return 0;
|
|
}
|
|
}
|
|
</script>
|
|
|
|
</html>
|