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tetris.html
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<!DOCTYPE html>
<html lang="pt">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Tétris — GPT-4</title>
<style>
body {
font-family: Arial, sans-serif;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
background-color: #202020;
margin: 0;
}
.container {
display: flex;
justify-content: center;
align-items: center;
}
#gameCanvas {
border: 1px solid #ccc;
background: #FFF;
}
.sidebar {
background-color: #303030;
padding: 20px;
border-radius: 5px;
color: #ffffff;
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
width: 200px;
margin-left: 20px;
}
h1 {
font-size: 24px;
margin-top: 0;
margin-bottom: 16px;
text-align: center;
}
p {
font-size: 18px;
margin-bottom: 12px;
}
.sidebar span {
color: #ffcc00;
font-weight: bold;
}
.overlay {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, 0.5);
display: flex;
justify-content: center;
align-items: center;
z-index: 10;
}
.game-over-container {
background-color: white;
padding: 20px;
border-radius: 5px;
text-align: center;
}
.start-container {
background-color: white;
padding: 20px;
border-radius: 5px;
text-align: center;
}
.button {
padding: 10px 20px;
font-size: 16px;
text-align: center;
cursor: pointer;
outline: none;
color: #fff;
background-color: #2ecc71;
border: none;
border-radius: 5px;
box-shadow: 0 5px #999;
transition: 0.3s;
}
.button:hover {
background-color: #51a374;
}
.button:active {
background-color: #2ecc71;
box-shadow: 0 2px #666;
transform: translateY(4px);
}
.button-red {
background-color: #e74c3c;
}
.button-red:hover {
background-color: #da190b;
}
.button-red:active {
background-color: #e74c3c;
box-shadow: 0 2px #666;
transform: translateY(4px);
}
.button-blue {
background-color: #2196F3;
}
.button-blue:hover {
background-color: #0b8dda;
}
.button-blue:active {
background-color: #2196F3;
box-shadow: 0 2px #666;
transform: translateY(4px);
}
</style>
</head>
<body>
<div class="container">
<div id="gameContainer" style="position: relative;">
<canvas id="gameCanvas" width="320" height="640"></canvas>
</div>
<div class="sidebar">
<h1>Tétris</h1>
<p>Pontuação: <span id="score">0</span></p>
<p>Nível: <span id="level">1</span></p>
<p style="text-align: center;"> <button id="startPauseButton" class="button">Pausar</button></p>
</div>
</div>
<script>
// Configuração do jogo
const canvas = document.getElementById('gameCanvas');
const ctx = canvas.getContext('2d');
const blockSize = 32;
const rows = canvas.height / blockSize;
const cols = canvas.width / blockSize;
const colors = ['#1abc9c', '#3498db', '#9b59b6', '#e67e22', '#e74c3c', '#f1c40f', '#2ecc71'];
// Variáveis do jogo
let score = 0;
let level = 1;
let speed = 1000;
let gameOver = false;
let keyboardEnabled = true;
let gameOverText = null;
let isPaused = false;
let gameStarted = false;
const gameContainer = document.querySelector('.container');
function showStartScreen() {
if (gameOverText) return;
keyboardEnabled = false;
gameOverText = document.createElement('div');
gameOverText.className = 'overlay';
const startContainer = document.createElement('div');
startContainer.className = 'start-container';
startContainer.innerHTML = `
<h2>Tetris</h2>
<button id="startButton" class="button button-red">Iniciar</button>`;
gameOverText.appendChild(startContainer);
gameContainer.appendChild(gameOverText);
document.getElementById('startButton').addEventListener('click', () => {
gameContainer.removeChild(gameOverText);
gameOverText = null;
keyboardEnabled = true;
gameStarted = true;
startGame();
});
}
showStartScreen();
// Função para desenhar blocos
function drawBlock(x, y, color) {
ctx.fillStyle = color;
ctx.fillRect(x * blockSize, y * blockSize, blockSize, blockSize);
ctx.strokeStyle = '#000';
ctx.strokeRect(x * blockSize, y * blockSize, blockSize, blockSize);
}
// Função para criar peças
const pieces = [
[
[1, 1, 1],
[0, 1, 0]
],
[
[0, 1, 1],
[1, 1, 0]
],
[
[1, 1, 0],
[0, 1, 1]
],
[
[1, 1],
[1, 1]
],
[
[1, 1, 0],
[1, 1, 0],
[0, 0, 1]
],
[
[1, 0, 0],
[1, 1, 1]
],
[
[0, 0, 1],
[1, 1, 1]
],
[
[1, 0],
[1, 1],
[0, 1]
],
[
[0, 1],
[1, 1],
[1, 0]
],
[
[1, 1, 1, 1, 1]
],
[
[1, 0, 0, 0],
[1, 1, 1, 1]
],
];
function createPiece() {
const piece = {
x: Math.floor(cols / 2) - 1,
y: 0,
shape: pieces[Math.floor(Math.random() * pieces.length)],
color: colors[Math.floor(Math.random() * colors.length)]
};
return piece;
}
let currentPiece = createPiece();
let board = Array.from({ length: rows }, () => Array(cols).fill(0));
// Função para verificar colisões
function checkCollision(x, y, shape) {
for (let r = 0; r < shape.length; r++) {
for (let c = 0; c < shape[r].length; c++) {
if (shape[r][c] && (board[y + r] === undefined || board[y + r][x + c] === undefined || board[y + r][x + c])) {
return true;
}
}
}
return false;
}
// Função para mover peças
function movePiece(x, y) {
if (!checkCollision(currentPiece.x + x, currentPiece.y + y, currentPiece.shape)) {
currentPiece.x += x;
currentPiece.y += y;
} else if (y === 1) {
addToBoard();
currentPiece = createPiece();
if (checkCollision(currentPiece.x, currentPiece.y, currentPiece.shape)) {
showGameOver();
}
}
}
// Função para adicionar peça ao tabuleiro
function addToBoard() {
for (let r = 0; r < currentPiece.shape.length; r++) {
for (let c = 0; c < currentPiece.shape[r].length; c++) {
if (currentPiece.shape[r][c]) {
board[currentPiece.y + r][currentPiece.x + c] = currentPiece.color;
}
}
}
// Verificar e remover linhas completas
let linesCleared = 0;
for (let r = board.length - 1; r >= 0; ) {
if (board[r].every(cell => !!cell)) {
linesCleared++;
board.splice(r, 1);
board.unshift(Array(cols).fill(0));
} else {
r--;
}
}
if (linesCleared > 0) {
updateScore(linesCleared);
}
}
// Função para atualizar a pontuação
function updateScore(linesCleared) {
const scoreValues = [0, 100, 300, 500, 800];
score += scoreValues[linesCleared] * level;
document.getElementById('score').textContent = score;
const newLevel = Math.floor(score / 1000) + 1;
if (newLevel > level) {
level = newLevel;
speed = 1000 - (level - 1) * 100;
document.getElementById('level').textContent = level;
}
}
function showGameOver() {
if (gameOverText) return;
gameOver = true;
keyboardEnabled = false;
gameOverText = document.createElement('div');
gameOverText.className = 'overlay';
const gameOverContainer = document.createElement('div');
gameOverContainer.className = 'game-over-container';
gameOverContainer.innerHTML = `
<h2>Game Over</h2>
<p>Pontuação: ${score}</p>
<button id="restartButton" class="button button-blue">Reiniciar</button>
`;
gameOverText.appendChild(gameOverContainer);
gameContainer.appendChild(gameOverText);
document.getElementById('restartButton').addEventListener('click', () => {
gameContainer.removeChild(gameOverText);
gameOverText = null;
gameOver = false;
keyboardEnabled = true;
startGame();
});
}
// Função para rodar peças
function rotatePiece() {
const rotated = currentPiece.shape[0].map((_, c) => currentPiece.shape.map(row => row[c])).reverse();
if (!checkCollision(currentPiece.x, currentPiece.y, rotated)) {
currentPiece.shape = rotated;
}
}
// Função para desenhar o jogo
function drawGame() {
ctx.clearRect(0, 0, canvas.width, canvas.height);
for (let r = 0; r < rows; r++) {
for (let c = 0; c < cols; c++) {
if (board[r][c]) {
drawBlock(c, r, board[r][c]);
}
}
}
for (let r = 0; r < currentPiece.shape.length; r++) {
for (let c = 0; c < currentPiece.shape[r].length; c++) {
if (currentPiece.shape[r][c]) {
drawBlock(currentPiece.x + c, currentPiece.y + r, currentPiece.color);
}
}
}
}
// Função para atualizar o jogo
function updateGame() {
if (!gameOver && !isPaused && gameStarted) {
setTimeout(() => {
movePiece(0, 1);
drawGame();
updateGame();
}, speed);
}
}
// Alterações na função startGame
function startGame() {
if (!gameOver) {
score = 0;
level = 1;
speed = 1000;
board = Array.from({ length: rows }, () => Array(cols).fill(0));
currentPiece = createPiece();
document.getElementById('score').textContent = score;
document.getElementById('level').textContent = level;
updateGame();
}
}
// Eventos do teclado
document.addEventListener('keydown', (e) => {
if (!keyboardEnabled) return;
if (e.key === 'ArrowLeft') {
movePiece(-1, 0);
} else if (e.key === 'ArrowRight') {
movePiece(1, 0);
} else if (e.key === 'ArrowDown') {
movePiece(0, 1);
} else if (e.key === ' ') {
rotatePiece();
}
drawGame();
});
document.getElementById('startPauseButton').addEventListener('click', () => {
isPaused = !isPaused;
if (isPaused) {
document.getElementById('startPauseButton').textContent = 'Continuar';
} else {
document.getElementById('startPauseButton').textContent = 'Pausar';
updateGame();
}
});
// Iniciar o jogo
startGame();
</script>
</body>
</html>