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Block Breaker
Developer User12909｜Date and time 23/11/27 20:06:29
Build time 129.32 sec｜Game capacity 6.462KB｜

Script

Sure! Here's an example of a simple Block Breaker game implemented as a single HTML file with JavaScript code enclosed in script tags:

To play the game, you can copy the above code into a new HTML file and open it in a web browser, preferably on a smartphone. The game canvas will appear, and you can control the paddle using left and right keys/arrow buttons. The objective is to bounce the ball off the paddle and destroy all the bricks at the top. If the ball misses the paddle, the game is over.

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[PR]現在の本の売れ筋ランキング

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

Sure! Here's an example of a simple Block Breaker game implemented as a single HTML file with JavaScript code enclosed in script tags:

```html
<!DOCTYPE html>
<html>
<head>
    <style>
        #gameCanvas { 
            background-color: black; 
            border: 2px solid white; 
            display: block; 
            margin: 0 auto; 
            margin-top: 50px; 
        }
    </style>
</head>
<body>
    <canvas id="gameCanvas" width="400" height="400"></canvas>

// Define initial ball position and speed
        let ballX = canvas.width / 2;
        let ballY = canvas.height - 30;
        let ballSpeedX = 2;
        let ballSpeedY = -2;

// Define paddle properties
        let paddleWidth = 75;
        let paddleHeight = 10;
        let paddleX = (canvas.width - paddleWidth) / 2;
        let rightPressed = false;
        let leftPressed = false;

// Define brick properties
        let brickRowCount = 3;
        let brickColumnCount = 5;
        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 };
            }
        }

// Add event listeners for key presses
        document.addEventListener("keydown", keyDownHandler, false);
        document.addEventListener("keyup", keyUpHandler, false);

// Handle key down event
        function keyDownHandler(event) {
            if (event.key === "Right" || event.key === "ArrowRight") {
                rightPressed = true;
            } else if (event.key === "Left" || event.key === "ArrowLeft") {
                leftPressed = true;
            }
        }

// Handle key up event
        function keyUpHandler(event) {
            if (event.key === "Right" || event.key === "ArrowRight") {
                rightPressed = false;
            } else if (event.key === "Left" || event.key === "ArrowLeft") {
                leftPressed = false;
            }
        }

// Detect collision between the ball and bricks
        function collisionDetection() {
            for (let c = 0; c < brickColumnCount; c++) {
                for (let r = 0; r < brickRowCount; r++) {
                    let brick = bricks[c][r];
                    if (brick.status === 1) {
                        if (
                            ballX > brick.x &&
                            ballX < brick.x + brickWidth &&
                            ballY > brick.y &&
                            ballY < brick.y + brickHeight
                        ) {
                            ballSpeedY = -ballSpeedY;
                            brick.status = 0;
                        }
                    }
                }
            }
        }

// Draw the ball
        function drawBall() {
            context.beginPath();
            context.arc(ballX, ballY, 10, 0, Math.PI * 2);
            context.fillStyle = "#0095DD";
            context.fill();
            context.closePath();
        }

// Draw the paddle
        function drawPaddle() {
            context.beginPath();
            context.rect(paddleX, canvas.height - paddleHeight, paddleWidth, paddleHeight);
            context.fillStyle = "#0095DD";
            context.fill();
            context.closePath();
        }

// Draw the bricks
        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;
                        context.beginPath();
                        context.rect(brickX, brickY, brickWidth, brickHeight);
                        context.fillStyle = "#0095DD";
                        context.fill();
                        context.closePath();
                    }
                }
            }
        }

// Update the game state
        function update() {
            context.clearRect(0, 0, canvas.width, canvas.height);
            drawBricks();
            drawBall();
            drawPaddle();
            collisionDetection();

// Reverse ball direction if it hits the horizontal walls
            if (ballX + ballSpeedX > canvas.width - 10 || ballX + ballSpeedX < 10) {
                ballSpeedX = -ballSpeedX;
            }

// Reverse ball direction and increase speed if it hits the top wall
            if (ballY + ballSpeedY < 10) {
                ballSpeedY = -ballSpeedY;
            } else if (ballY + ballSpeedY > canvas.height - 10) {
                // Check if the ball hits the paddle
                if (ballX > paddleX && ballX < paddleX + paddleWidth) {
                    ballSpeedY = -ballSpeedY;
                } else {
                    // Game over if the ball misses the paddle
                    alert("Game Over");
                    document.location.reload();
                }
            }

// Move the paddle based on user input
            if (rightPressed && paddleX < canvas.width - paddleWidth) {
                paddleX += 7;
            } else if (leftPressed && paddleX > 0) {
                paddleX -= 7;
            }

// Update ball position
            ballX += ballSpeedX;
            ballY += ballSpeedY;

requestAnimationFrame(update);
        }

// Start the game loop
        update();
    </script>
</body>
</html>
```