Snake Game
Oct 29, 2023
v.0
Play the classic Snake game Game Fun Classic Arcade Snake

Versions  

Bugs  
None!

Get This App On Your Website

1. Copy the code above with the iframe and link.
2. Paste the code into your website.
3. Resize the iframe to fit your website.

Javascript, HTML, CSS Code

                <html>
<head>
<script type="text/javascript"> window.addEventListener('error', function(event) { var message = JSON.parse(JSON.stringify(event.message)); var source = event.filename; var lineno = event.lineno; var colno = event.colno; var error = event.error; window.parent.postMessage({ type: 'iframeError', details: { message: message, source: source, lineno: lineno, colno: colno, error: error ? error.stack : '' } }, '*'); }); window.addEventListener('unhandledrejection', function(event) { window.parent.postMessage({ type: 'iframePromiseRejection', details: { reason: event.reason } }, '*'); }); </script>

<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width,initial-scale=1">

<title>Snake Game</title>
<meta name="description" content="Play the classic Snake game">
<meta name="keywords" content="snake,game,classic,fun,arcade">

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet"
integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
<link href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet">

<script type="text/javascript">
try {
// App Javascript Goes Here. Place your entire script content inside the try block for error handling.
document.addEventListener("DOMContentLoaded", function() {
// Constants
const GRID_SIZE = 20;
const GAME_SPEED = 150;

// Variables
let snake = [{ x: 10, y: 10 }];
let apple = { x: 5, y: 5 };
let score = 0;
let direction = { x: 0, y: 0 };
let gameInterval;

// Functions
function createGrid() {
for (let row = 0; row < GRID_SIZE; row++) {
for (let col = 0; col < GRID_SIZE; col++) {
const cell = document.createElement("div");
cell.classList.add("cell");
cell.id = `cell-${row}-${col}`;
document.getElementById("grid").appendChild(cell);
}
}
}

function drawSnake() {
snake.forEach((segment, index) => {
const snakeSegment = document.getElementById(`cell-${segment.x}-${segment.y}`);
snakeSegment.classList.add("snake");
if (index === 0) {
snakeSegment.classList.add("snake-head");
}
});
}

function clearSnake() {
snake.forEach((segment) => {
const snakeSegment = document.getElementById(`cell-${segment.x}-${segment.y}`);
snakeSegment.classList.remove("snake", "snake-head");
});
}

function drawApple() {
const appleCell = document.getElementById(`cell-${apple.x}-${apple.y}`);
appleCell.classList.add("apple");
}

function clearApple() {
const appleCell = document.getElementById(`cell-${apple.x}-${apple.y}`);
appleCell.classList.remove("apple");
}

function updateScore() {
document.getElementById("score").innerText = score;
}

function updateDirection(event) {
const key = event.keyCode;
switch (key) {
case 37: // left
direction = { x: -1, y: 0 };
break;
case 38: // up
direction = { x: 0, y: -1 };
break;
case 39: // right
direction = { x: 1, y: 0 };
break;
case 40: // down
direction = { x: 0, y: 1 };
break;
}
}

function moveSnake() {
const head = { x: snake[0].x + direction.x, y: snake[0].y + direction.y };
snake.unshift(head);

const isAppleEaten = head.x === apple.x && head.y === apple.y;
if (isAppleEaten) {
score++;
generateApple();
} else {
snake.pop();
}
}

function generateApple() {
apple = {
x: Math.floor(Math.random() * GRID_SIZE),
y: Math.floor(Math.random() * GRID_SIZE),
};
}

function checkCollision() {
const head = snake[0];
const isSnakeOutOfBounds =
head.x < 0 ||
head.x >= GRID_SIZE ||
head.y < 0 ||
head.y >= GRID_SIZE;
const isSnakeColliding =
snake.slice(1).some((segment) => segment.x === head.x && segment.y === head.y);

if (isSnakeOutOfBounds || isSnakeColliding) {
endGame();
}
}

function endGame() {
clearInterval(gameInterval);
alert(`Game Over! Your Score: ${score}`);
resetGame();
}

function resetGame() {
snake = [{ x: 10, y: 10 }];
score = 0;
direction = { x: 0, y: 0 };
clearSnake();
clearApple();
updateScore();
generateApple();
drawSnake();
}

function startGame() {
createGrid();
drawSnake();
generateApple();
updateScore();

gameInterval = setInterval(() => {
clearSnake();
moveSnake();
drawSnake();
checkCollision();
}, GAME_SPEED);
}

// Event Listeners
document.addEventListener("keydown", updateDirection);

// Start the game
startGame();
});

} catch (error) {
// This will throw the error to the parent window.
throw error;
}
</script>

<style>
body {
background-color: #f7f7f7;
font-family: 'Roboto', sans-serif;
}

.container {
max-width: 600px;
margin: 0 auto;
padding: 20px;
}

#grid {
display: grid;
grid-template-columns: repeat(20, 1fr);
grid-template-rows: repeat(20, 1fr);
gap: 1px;
border: 1px solid #ccc;
background-color: #fff;
}

.cell {
background-color: #eee;
}

.snake {
background-color: #00bcd4;
}

.snake-head {
background-color: #0097a7;
}

.apple {
background-color: #f44336;
}

#score {
text-align: center;
margin-top: 20px;
font-size: 24px;
font-weight: bold;
color: #333;
}
</style>

<link rel="canonical" href="https://calculator.tools/app/snake-game-542/">
<meta charset="utf-8">

</head>
<body>
<div id="main-container" class="container">
<div id="grid"></div>
<div id="score">0</div>
</div>
<script type="text/javascript"> var localStoragePrefix = "ct-542"; var lastSave = 0; function saveLocal(data) { if (Date.now() - lastSave < 1000) { return; } let cookie = localStoragePrefix + "=" + JSON.stringify(data) + "; path=" + window.location.pathname + "'; SameSite=Strict"; cookie += "; expires=" + new Date(Date.now() + 1000 * 60 * 60 * 24 * 365 * 1000).toUTCString(); document.cookie = cookie; lastSave = Date.now(); } function loadLocal() { var cookiePrefix = localStoragePrefix + "="; var cookieStart = document.cookie.indexOf(cookiePrefix); if (cookieStart > -1) { let cookieEnd = document.cookie.indexOf(";", cookieStart); if (cookieEnd == -1) { cookieEnd = document.cookie.length; } var cookieData = document.cookie.substring(cookieStart + cookiePrefix.length, cookieEnd); return JSON.parse(cookieData); } } </script>
<script type="text/javascript"> window.addEventListener('load', function() { var observer = new MutationObserver(function() { window.parent.postMessage({height: document.documentElement.scrollHeight || document.body.scrollHeight},"*"); }); observer.observe(document.body, {attributes: true, childList: true, subtree: true}); window.parent.postMessage({height: document.documentElement.scrollHeight || document.body.scrollHeight},"*"); }); </script>
</body>
</html>

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