Snake game

3,546 Andev.web

<!DOCTYPE html>
<html lang="es">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.3.0/css/all.min.css">
    <link rel="stylesheet" href="style.css">
    <title>Andev web</title>
</head>
<body>
    <div class="wrapper">
        <div class="game-details">
            <span class="score">Score: 0</span>
            <span class="high-score">Highest score: 0</span>
        </div>
        <div class="play-board"></div>
        <div class="controls">
            <i data-key="ArrowLeft" class="fa-solid fa-arrow-left-long"></i>
            <i data-key="ArrowUp" class="fa-solid fa-arrow-up-long"></i>
            <i data-key="ArrowRight" class="fa-solid fa-arrow-right-long"></i>
            <i data-key="ArrowDown" class="fa-solid fa-arrow-down-long"></i>
        </div>
    </div>
    <script src="app.js"></script>
</body>
</html>

CSS

@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@300;400;500;600;700&display=swap');

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Open Sans', sans-serif;
}

body{
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: #e3f2fd;
}

.wrapper{
    width: 65vmin;
    height: 70vmin;
    display: flex;
    overflow: hidden;
    flex-direction: column;
    justify-content: center;
    background: #293447;
    border-radius: 5px;
    box-shadow: 0 20px 40px rgba(52, 87, 220, 0.2);
}

.game-details{
    color: #b8c6dc;
    font-weight: 500;
    font-size: 1.2rem;
    padding: 20px 27px;
    display: flex;
    justify-content: space-between;
}

.play-board{
    height: 100%;
    width: 100%;
    display: grid;
    background: #212837;
    grid-template: repeat(30, 1fr) / repeat(30, 1fr);
}

.play-board .food{
    background: #ff003d;
}

.play-board .head{
    background: #60ff70;
}

.controls{
    display: none;
    justify-content: space-between;
}

.controls i{
    padding: 25px 0;
    text-align: center;
    font-size: 1.3rem;
    color: #b8c6dc;
    width: calc(100% / 4);
    cursor: pointer;
    border-right: 1px solid #171b26;
}

@media screen and (max-width: 800px) {
    .wrapper{
        width: 90vmin;
        height: 115vmin;
    }

.game-details{
        font-size: 1rem;
        padding: 15px 27px;
    }

.controls{
        display: flex;
    }

.controls i{
        padding: 15px 0;
        font-size: 1rem;
    }
}

const playBoard = document.querySelector(".play-board");
const scoreElement = document.querySelector(".score");
const highScoreElement = document.querySelector(".high-score");
const controls = document.querySelectorAll(".controls i");

let gameOver = false;
let foodX, foodY;
let snakeX = 5, snakeY = 5;
let velocityX = 0, velocityY = 0;
let snakeBody = [];
let setIntervalId;
let score = 0;

// Get high score from local storage

let highScore = localStorage.getItem("Puntuación Más Alta") || 0;
highScoreElement.innerText = `Puntuación Más Alta: ${highScore}`;

// Pass a random between 1 and 30 as food position

const updateFoodPosition = () => {
    foodX = Math.floor(Math.random() * 30) + 1;
    foodY = Math.floor(Math.random() * 30) + 1;
}

const handleGameOver = () => {
    clearInterval(setIntervalId);
    alert("Game Over! Press OK to replay...");
    location.reload();
}

// Change velocity value based on key press

// Change Direction on each key click

controls.forEach(button => button.addEventListener("click", () => changeDirection({ key: button.dataset.key })));

const initGame = () => {
    if (gameOver) return handleGameOver();
    let html = `<div class="food" style="grid-area: ${foodY} / ${foodX}"></div>`;

// When snake eat food
    if (snakeX === foodX && snakeY === foodY) {
        updateFoodPosition();
        snakeBody.push([foodY, foodX]); //Add food to snake body array
        score++;
        highScore = score >= highScore ? score : highScore; // if score > high score => high score = score

localStorage.setItem("Puntuación Más Alta", highScore);
        scoreElement.innerText = `Puntuación: ${score}`;
        highScoreElement.innerText = `Puntuación Más Alta: ${highScore}`;
    }

// Update Snake Head
    snakeX += velocityX;
    snakeY += velocityY;

// Shifthing forward values of elements in snake body by one

for (let i = snakeBody.length - 1; i > 0; i--) {
        snakeBody[i] = snakeBody[i - 1];
    }

snakeBody[0] = [snakeX, snakeY];

// Check snake body is out of wall or no

if (snakeX <= 0 || snakeX > 30 || snakeY <= 0 || snakeY > 30) {
        return gameOver = true;
    }

// Add div for each part of snake body

for (let i = 0; i < snakeBody.length; i++) {
        html += `<div class="head" style="grid-area: ${snakeBody[i][1]} / ${snakeBody[i][0]}"></div>`;
        // Check snake head hit body or no
        if (i !== 0 && snakeBody[0][1] === snakeBody[i][1] && snakeBody[0][0] === snakeBody[i][0]) {
            gameOver = true;
        }
    }
    playBoard.innerHTML = html;
}

updateFoodPosition();
setIntervalId = setInterval(initGame, 100);
document.addEventListener("keyup", changeDirection);

Snake game

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