AI game creator

Click here for free DL of the app version that can save data.

No:52229

156

←

Prev Next

→

Snake game
Developer User21425｜Date and time 24/3/19 9:50:22
Build time 12.403 sec｜Game capacity 3.465KB｜

Script

←

Prev　Next

→ 　

Back　

[PR]現在の人気グッズランキング

Click here for free DL of the app version that can save data.

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Snake Game</title>
<style>
    body {
        display: flex;
        justify-content: center;
        align-items: center;
        height: 100vh;
        margin: 0;
        background-color: #f0f0f0;
    }
    #game-board {
        width: 300px;
        height: 300px;
        border: 2px solid black;
        display: grid;
        grid-template-columns: repeat(20, 1fr);
    }
</style>
</head>
<body>
<div id="game-board"></div>
<script>
    const board = document.getElementById('game-board');
    const boardSize = 20;
    const squareSize = 15;
    const snake = [{x: 10, y: 10}];
    const target = {x: 5, y: 5};
    let direction = 'right';
    let interval;
    
    function drawSnake() {
        board.innerHTML = '';
        snake.forEach(segment => {
            const snakeElement = document.createElement('div');
            snakeElement.style.gridColumn = segment.x + 1;
            snakeElement.style.gridRow = segment.y + 1;
            snakeElement.style.width = squareSize + 'px';
            snakeElement.style.height = squareSize + 'px';
            snakeElement.style.backgroundColor = 'green';
            board.appendChild(snakeElement);
        });
    }
    
    function drawTarget() {
        const targetElement = document.createElement('div');
        targetElement.style.gridColumn = target.x + 1;
        targetElement.style.gridRow = target.y + 1;
        targetElement.style.width = squareSize + 'px';
        targetElement.style.height = squareSize + 'px';
        targetElement.style.backgroundColor = 'red';
        board.appendChild(targetElement);
    }
    
    function moveSnake() {
        const head = snake[0];
        let newHead;
        
        switch(direction) {
            case 'up':
                newHead = {x: head.x, y: head.y - 1};
                break;
            case 'down':
                newHead = {x: head.x, y: head.y + 1};
                break;
            case 'left':
                newHead = {x: head.x - 1, y: head.y};
                break;
            case 'right':
                newHead = {x: head.x + 1, y: head.y};
                break;
        }
        
        if (newHead.x < 0 || newHead.y < 0 || newHead.x >= boardSize || newHead.y >= boardSize) {
            alert('Game Over!');
            clearInterval(interval);
            return;
        }
        
        if (newHead.x === target.x && newHead.y === target.y) {
            snake.unshift(newHead);
            target.x = Math.floor(Math.random() * boardSize);
            target.y = Math.floor(Math.random() * boardSize);
        } else {
            snake.unshift(newHead);
            snake.pop();
        }
        
        drawSnake();
        drawTarget();
    }
    
    function handleKeyPress(event) {
        switch(event.key) {
            case 'ArrowUp':
                direction = 'up';
                break;
            case 'ArrowDown':
                direction = 'down';
                break;
            case 'ArrowLeft':
                direction = 'left';
                break;
            case 'ArrowRight':
                direction = 'right';
                break;
        }
    }
    
    interval = setInterval(moveSnake, 200);
    drawSnake();
    drawTarget();
    document.addEventListener('keydown', handleKeyPress);
</script>
</body>
</html>