Block Breaker's game | AI game creator

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No:51316

249

Block Breaker
Developer Winnerweiner2113｜Date and time 24/3/11 14:34:24
Build time 18.107 sec｜Game capacity 4.739KB｜

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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.

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```html
<!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>
    canvas {
        display: block;
        margin: 0 auto;
    }
</style>
</head>
<body>
<canvas id="gameCanvas" width="400" height="300"></canvas>

<script>
    const canvas = document.getElementById("gameCanvas");
    const ctx = canvas.getContext("2d");
    
    const paddleWidth = 80;
    const paddleHeight = 10;
    let paddleX = (canvas.width - paddleWidth) / 2;
    const ballRadius = 8;
    let x = canvas.width / 2;
    let y = canvas.height - 30;
    let dx = 2;
    let dy = -2;
    let rightPressed = false;
    let leftPressed = false;
    
    const brickRowCount = 3;
    const brickColumnCount = 5;
    const brickWidth = 70;
    const brickHeight = 20;
    const brickPadding = 10;
    const brickOffsetTop = 20;
    const brickOffsetLeft = 20;
    
    const 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 drawBall() {
        ctx.beginPath();
        ctx.arc(x, y, ballRadius, 0, Math.PI * 2);
        ctx.fillStyle = "#0095DD";
        ctx.fill();
        ctx.closePath();
    }
    
    function drawPaddle() {
        ctx.beginPath();
        ctx.rect(paddleX, canvas.height - paddleHeight, paddleWidth, paddleHeight);
        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) {
                    const brickX = c * (brickWidth + brickPadding) + brickOffsetLeft;
                    const 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 draw() {
        ctx.clearRect(0, 0, canvas.width, canvas.height);
        drawBricks();
        drawBall();
        drawPaddle();
        collisionDetection();
        
        if (x + dx > canvas.width - ballRadius || x + dx < ballRadius) {
            dx = -dx;
        }
        if (y + dy < ballRadius) {
            dy = -dy;
        } else if (y + dy > canvas.height - ballRadius) {
            if (x > paddleX && x < paddleX + paddleWidth) {
                dy = -dy;
            } else {
                alert("Game Over");
                document.location.reload();
            }
        }
        
        if (rightPressed) {
            paddleX += 7;
            if (paddleX + paddleWidth > canvas.width) {
                paddleX = canvas.width - paddleWidth;
        }
        } else if (leftPressed) {
            paddleX -= 7;
            if (paddleX < 0) {
                paddleX = 0;
            }
        }
        
        x += dx;
        y += dy;
        requestAnimationFrame(draw);
    }
    
    function keyDownHandler(e) {
        if (e.key === "Right" || e.key === "ArrowRight") {
            rightPressed = true;
        } else if (e.key === "Left" || e.key === "ArrowLeft") {
            leftPressed = true;
        }
    }
    
    function keyUpHandler(e) {
        if (e.key === "Right" || e.key === "ArrowRight") {
            rightPressed = false;
        } else if (e.key === "Left" || e.key === "ArrowLeft") {
            leftPressed = false;
        }
    }
    
    function mouseMoveHandler(e) {
        const relativeX = e.clientX - canvas.offsetLeft;
        if (relativeX > 0 && relativeX < canvas.width) {
            paddleX = relativeX - paddleWidth / 2;
        }
    }
    
    function collisionDetection() {
        for (let c = 0; c < brickColumnCount; c++) {
            for (let r = 0; r < brickRowCount; r++) {
                const b = bricks[c][r];
                if (b.status === 1) {
                    if (x > b.x && x < b.x + brickWidth && y > b.y && y < b.y + brickHeight) {
                        dy = -dy;
                        b.status = 0;
                    }
                }
            }
        }
    }
    
    document.addEventListener("keydown", keyDownHandler);
    document.addEventListener("keyup", keyUpHandler);
    document.addEventListener("mousemove", mouseMoveHandler);
    
    draw();
</script>
</body>
</html>
```