rfnajera.github.io/labyrinth.html at main · RFNajera/rfnajera.github.io · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Labyrinth Generator</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            text-align: center;
            margin: 20px;
        }
        canvas {
            border: 1px solid #000;
            margin-top: 20px;
        }
        button {
            margin: 10px;
            padding: 10px 20px;
            font-size: 16px;
        }
    </style>
</head>
<body>
    <div>
        <h1>Labyrinth Generator for Kids</h1>
        <p>Click "Generate Labyrinth" to create a fun maze. Drag the green dot to the red square!</p>
    </div>
    <div>
        <button id="generate">Generate Labyrinth</button>
    </div>
    <canvas id="labyrinthCanvas" width="600" height="600"></canvas>

    <script>
        const canvas = document.getElementById('labyrinthCanvas');
        const ctx = canvas.getContext('2d');

        const config = {
            cellSize: 12,
            gridSize: Math.floor(canvas.width / 12),
            colors: {
                walls: '#000000',
                path: '#FFFFFF',
                start: 'green',
                end: 'red',
                player: 'blue'
            }
        };

        let player = { x: 1, y: 1 };
        let mazeCells = [];

        function generateLabyrinth() {
            const { gridSize } = config;
            mazeCells = Array.from({ length: gridSize }, () => Array(gridSize).fill(false));

            const directions = [
                { dx: -1, dy: 0 }, // top
                { dx: 1, dy: 0 }, // bottom
                { dx: 0, dy: -1 }, // left
                { dx: 0, dy: 1 } // right
            ];

            function isValidCell(x, y) {
                return x >= 0 && y >= 0 && x < gridSize && y < gridSize && !mazeCells[x][y];
            }

            function carve(x, y) {
                mazeCells[x][y] = true;

                const shuffledDirections = directions.sort(() => Math.random() - 0.5);

                shuffledDirections.forEach(({ dx, dy }) => {
                    const nx = x + dx * 2;
                    const ny = y + dy * 2;

                    if (isValidCell(nx, ny)) {
                        mazeCells[x + dx][y + dy] = true; // Remove wall
                        carve(nx, ny);
                    }
                });
            }

            carve(0, 0); // Start carving from the top-left corner

            player = { x: 1, y: 1 }; // Reset player position
            drawLabyrinth();
        }

        function drawLabyrinth() {
            ctx.clearRect(0, 0, canvas.width, canvas.height);

            const { cellSize, colors, gridSize } = config;

            mazeCells.forEach((row, x) => {
                row.forEach((cell, y) => {
                    ctx.fillStyle = cell ? colors.path : colors.walls;
                    ctx.fillRect(y * cellSize, x * cellSize, cellSize, cellSize);
                });
            });

            // Draw start and end points
            ctx.fillStyle = colors.start;
            ctx.fillRect(1, 1, cellSize - 2, cellSize - 2);

            ctx.fillStyle = colors.end;
            ctx.fillRect(
                (gridSize - 1) * cellSize + 1,
                (gridSize - 1) * cellSize + 1,
                cellSize - 2,
                cellSize - 2
            );

            // Draw player
            ctx.fillStyle = colors.player;
            ctx.beginPath();
            ctx.arc(
                player.y * cellSize + cellSize / 2,
                player.x * cellSize + cellSize / 2,
                cellSize / 3,
                0,
                2 * Math.PI
            );
            ctx.fill();
        }

        function movePlayer(dx, dy) {
            const { cellSize, gridSize } = config;
            const newX = player.x + dx;
            const newY = player.y + dy;

            if (
                newX >= 0 &&
                newY >= 0 &&
                newX < gridSize &&
                newY < gridSize &&
                mazeCells[newX][newY]
            ) {
                player.x = newX;
                player.y = newY;
                drawLabyrinth();

                // Check if player reaches the end
                if (newX === gridSize - 1 && newY === gridSize - 1) {
                    alert('Congratulations! You solved the labyrinth!');
                }
            }
        }

        document.addEventListener('keydown', (event) => {
            switch (event.key) {
                case 'ArrowUp':
                    movePlayer(-1, 0);
                    break;
                case 'ArrowDown':
                    movePlayer(1, 0);
                    break;
                case 'ArrowLeft':
                    movePlayer(0, -1);
                    break;
                case 'ArrowRight':
                    movePlayer(0, 1);
                    break;
            }
        });

        document.getElementById('generate').addEventListener('click', generateLabyrinth);

        // Generate the first labyrinth on load
        generateLabyrinth();
    </script>
</body>
</html>