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>Rainbow Snake Game 🌈🐍</title> <meta name="description" content="Play the classic snake game with a colorful rainbow twist!"> <meta name="keywords" content="snake, game, rainbow, colors, HTML5"> <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"> var localStoragePrefix = "ct-168306718412555"; var lastSave = 0; // save to localstorage 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(); } // load from localstorage 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"> // App Javascript Goes Here var canvas, ctx, blockSize = 20, snake, apple, score, gameInterval, colors; function init() { canvas = document.getElementById("snakeCanvas"); ctx = canvas.getContext("2d"); snake = new Snake(); apple = new Apple(); score = 0; colors = ['red', 'orange', 'yellow', 'green', 'blue', 'indigo', 'violet']; gameInterval = setInterval(updateGame, 200); } function startGame() { init(); document.getElementById("startButton").disabled = true; } function Snake() { this.body = [{ x: 5, y: 5 }]; this.direction = "right"; this.draw = function () { for (var i = 0; i < this.body.length; i++) { ctx.fillStyle = colors[i % colors.length]; ctx.fillRect(this.body[i].x * blockSize, this.body[i].y * blockSize, blockSize, blockSize); } } this.update = function () { var newX = this.body[0].x; var newY = this.body[0].y; switch (this.direction) { case "right": newX++; break; case "left": newX--; break; case "up": newY--; break; case "down": newY++; break; } this.body.splice(0, 0, { x: newX, y: newY }); if (newX === apple.position.x && newY === apple.position.y) { score++; apple.respawn(); updateScore(); } else { this.body.pop(); } } this.checkCollision = function () { for (var i = 1; i < this.body.length; i++) { if (this.body[i].x === this.body[0].x && this.body[i].y === this.body[0].y) { return true; } } return this.body[0].x < 0 || this.body[0].x >= canvas.width / blockSize || this.body[0].y < 0 || this.body[0].y >= canvas.height / blockSize; } } function Apple() { this.position = { x: 10, y: 10 }; this.draw = function () { ctx.fillStyle = 'white'; ctx.fillRect(this.position.x * blockSize, this.position.y * blockSize, blockSize, blockSize); } this.respawn = function () { this.position = { x: Math.floor(Math.random() * (canvas.width / blockSize)), y: Math.floor(Math.random() * (canvas.height / blockSize)) } } } function updateGame() { if (snake.checkCollision()) { clearInterval(gameInterval); alert("Game Over! Your score: " + score); document.getElementById("startButton").disabled = false; } else { ctx.clearRect(0, 0, canvas.width, canvas.height); snake.update(); snake.draw(); apple.draw(); } } function updateScore() { document.getElementById("score").innerHTML = "Score: " + score; } document.addEventListener('keydown', function (e) { switch (e.key) { case "ArrowUp": if (snake.direction !== "down") { snake.direction = "up"; } break; case "ArrowDown": if (snake.direction !== "up") { snake.direction = "down"; } break; case "ArrowLeft": if (snake.direction !== "right") { snake.direction = "left"; } break; case "ArrowRight": if (snake.direction !== "left") { snake.direction = "right"; } break; } }); </script> <style> /* App CSS Goes Here */ body { background: linear-gradient(45deg, red, orange, yellow, green, blue, indigo, violet); background-size: 600% 100%; animation: rainbowBg 10s linear infinite; } #snakeCanvas { background-color: rgba(0, 0, 0, 0.5); display: block; margin: 50px auto; } .score-board { text-align: center; color: white; font-size: 24px; margin-bottom: 10px; } .start-button { display: block; margin: 10px auto; } @keyframes rainbowBg { 0% {background-position: 0% 50%;} 50% {background-position: 100% 50%;} 100% {background-position: 0% 50%;} } </style> <link rel="canonical" href="https://calculator.tools/prompt/584/"> <meta charset="utf-8"> </head> <body> <div id="main-container" class="container"> <!-- App HTML Goes Here --> <div class="score-board" id="score">Score: 0</div> <button class="btn btn-primary start-button" id="startButton" onclick="startGame()">Start Game</button> <canvas id="snakeCanvas" width="400" height="400"></canvas> </div> <script type="text/javascript"> var localStoragePrefix = "ct-{{ cachebreaker }}"; 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>
Rainbow Snake Game 🌈🐍
Calculator Tools