The snake game (when Snake eat the apple = longer)'s game

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No:45445

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The snake game (when Snake eat the apple = longer)
Developer User19600｜Date and time 24/2/20 15:54:42
Build time 10.114 sec｜Game capacity 2.983KB｜

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[PR]現在の売れ筋ゲームアプリランキング

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

<!DOCTYPE html>
<html>
<head>
    <title>Snake Game</title>
    <style>
        #game-board {
            width: 400px;
            height: 400px;
            border: 1px solid black;
            position: relative;
        }
        .snake {
            width: 20px;
            height: 20px;
            background-color: green;
            position: absolute;
        }
        .apple {
            width: 20px;
            height: 20px;
            background-color: red; 
            position: absolute;
        }
    </style>
</head>
<body>
    <div id="game-board"></div>

function createApple() {
            apple.x = Math.floor(Math.random() * 20) * 20;
            apple.y = Math.floor(Math.random() * 20) * 20;

let newApple = document.createElement('div');
            newApple.className = 'apple';
            newApple.style.left = apple.x + 'px';
            newApple.style.top = apple.y + 'px';
            gameBoard.appendChild(newApple);
        }

function moveSnake() {
            let head = {x: snake[0].x, y: snake[0].y};

switch(direction) {
                case 'up':
                    head.y -= 20;
                    break;
                case 'down':
                    head.y += 20;
                    break;
                case 'left':
                    head.x -= 20;
                    break;
                case 'right':
                    head.x += 20;
                    break;
            }

snake.unshift(head);

if (head.x === apple.x && head.y === apple.y) {
                createApple();
            } else {
                snake.pop();
            }

renderSnake();
        }

function renderSnake() {
            let currentSnake = document.querySelectorAll('.snake');
            currentSnake.forEach(seg => seg.remove());

snake.forEach((seg, index) => {
                let newSeg = document.createElement('div');
                newSeg.className = 'snake';
                newSeg.style.left = seg.x + 'px';
                newSeg.style.top = seg.y + 'px';
                gameBoard.appendChild(newSeg);
            });
        }

createApple();
        setInterval(moveSnake, 200);

document.addEventListener('keydown', function(event) {
            switch(event.key) {
                case 'ArrowUp':
                    direction = 'up';
                    break;
                case 'ArrowDown':
                    direction = 'down';
                    break;
                case 'ArrowLeft':
                    direction = 'left';
                    break;
                case 'ArrowRight':
                    direction = 'right';
                    break;
            }
        });
    </script>
</body>
</html>