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No:46365

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Block Breaker
Developer User20072｜Date and time 24/2/24 19:04:17
Build time 14.509 sec｜Game capacity 4.209KB｜

Script

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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>Block Breaker Game</title>
<style>
    body {
        margin: 0;
        overflow: hidden;
    }
    canvas {
        display: block;
        margin: 0 auto;
    }
</style>
</head>
<body>
<canvas id="gameCanvas"></canvas>
<script>
    const canvas = document.getElementById('gameCanvas');
    const ctx = canvas.getContext('2d');
    
    // Set up canvas size
    canvas.width = window.innerWidth;
    canvas.height = window.innerHeight;
    
    // Game variables
    let paddleWidth = 100;
    let paddleHeight = 10;
    let paddleY = canvas.height - 30;
    let paddleX = (canvas.width - paddleWidth) / 2;
    let ballRadius = 10;
    let ballX = canvas.width / 2;
    let ballY = canvas.height - 50;
    let dx = 3;
    let dy = -3;
    let brickRowCount = 5;
    let brickColumnCount = 7;
    let brickWidth = 75;
    let brickHeight = 20;
    let brickPadding = 10;
    let brickOffsetTop = 30;
    let brickOffsetLeft = 30;
    let bricks = [];
    
    for(let c = 0; c < brickColumnCount; c++) {
        bricks[c] = [];
        for(let r = 0; r < brickRowCount; r++) {
            bricks[c][r] = { x: 0, y: 0, status: 1 };
        }
    }
    
    function drawPaddle() {
        ctx.beginPath();
        ctx.rect(paddleX, paddleY, paddleWidth, paddleHeight);
        ctx.fillStyle = '#0095DD';
        ctx.fill();
        ctx.closePath();
    }
    
    function drawBall() {
        ctx.beginPath();
        ctx.arc(ballX, ballY, ballRadius, 0, Math.PI*2);
        ctx.fillStyle = '#0095DD';
        ctx.fill();
        ctx.closePath();
    }
    
    function drawBricks() {
        for(let c = 0; c < brickColumnCount; c++) {
            for(let r = 0; r < brickRowCount; r++) {
                if(bricks[c][r].status === 1) {
                    let brickX = (c * (brickWidth + brickPadding)) + brickOffsetLeft;
                    let brickY = (r * (brickHeight + brickPadding)) + brickOffsetTop;
                    bricks[c][r].x = brickX;
                    bricks[c][r].y = brickY;
                    ctx.beginPath();
                    ctx.rect(brickX, brickY, brickWidth, brickHeight);
                    ctx.fillStyle = '#0095DD';
                    ctx.fill();
                    ctx.closePath();
                }
            }
        }
    }
    
    function collisionDetection() {
        for(let c = 0; c < brickColumnCount; c++) {
            for(let r = 0; r < brickRowCount; r++) {
                let b = bricks[c][r];
                if(b.status === 1) {
                    if(ballX > b.x && ballX < b.x + brickWidth && ballY > b.y && ballY < b.y + brickHeight) {
                        dy = -dy;
                        b.status = 0;
                    }
                }
            }
        }
    }
    
    function draw() {
        ctx.clearRect(0, 0, canvas.width, canvas.height);
        drawBricks();
        drawPaddle();
        drawBall();
        collisionDetection();
        
        // Ball movement
        ballX += dx;
        ballY += dy;
        
        if(ballX + dx > canvas.width - ballRadius || ballX + dx < ballRadius) {
            dx = -dx;
        }
        if(ballY + dy < ballRadius) {
            dy = -dy;
        } else if(ballY + dy > canvas.height - ballRadius) {
            if(ballX > paddleX && ballX < paddleX + paddleWidth) {
                dy = -dy;
            } else {
                // Game over
                alert('Game Over!');
                document.location.reload();
            }
        }
        
        requestAnimationFrame(draw);
    }
    
    function keyDownHandler(e) {
        if(e.key === 'Right' || e.key === 'ArrowRight') {
            paddleX += 7;
            if(paddleX + paddleWidth > canvas.width) {
                paddleX = canvas.width - paddleWidth;
            }
        } else if(e.key === 'Left' || e.key === 'ArrowLeft') {
            paddleX -= 7;
            if(paddleX < 0) {
                paddleX = 0;
            }
        }
    }
    
    document.addEventListener('keydown', keyDownHandler);
    draw();
</script>
</body>
</html>