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No:42657

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Block Breaker
Developer User18878｜Date and time 24/2/12 13:20:43
Build time 16.198 sec｜Game capacity 6.401KB｜

Script

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

<!DOCTYPE html>
<html>
<head>
    <title>Block Breaker Game</title>
    <style>
        #gameCanvas {
            background-color: #000;
        }
    </style>
</head>
<body>
    <canvas id="gameCanvas" width="480" height="320"></canvas>
    <script>
        // Initialize the game canvas
        const canvas = document.getElementById("gameCanvas");
        const ctx = canvas.getContext("2d");

// Set up the brick properties
        const brickRowCount = 3;
        const brickColumnCount = 5;
        const brickWidth = 75;
        const brickHeight = 20;
        const brickPadding = 10;
        const brickOffsetTop = 30;
        const brickOffsetLeft = 30;

// Set up the paddle properties
        const paddleWidth = 75;
        const paddleHeight = 10;
        let paddleX = (canvas.width - paddleWidth) / 2;

// Set up the ball properties
        const ballRadius = 10;
        let ballX = canvas.width / 2;
        let ballY = canvas.height - 30;
        let ballDX = 2;
        let ballDY = -2;

// Initialize the brick grid
        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 };
            }
        }

// Set up the game score
        let score = 0;

// Set up the game lives
        let lives = 3;

// Handle user control
        let rightPressed = false;
        let leftPressed = false;

document.addEventListener("keydown", keyDownHandler, false);
        document.addEventListener("keyup", keyUpHandler, false);

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

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

// Collision detection function
        function collisionDetection() {
            for (let c = 0; c < brickColumnCount; c++) {
                for (let r = 0; r < brickRowCount; r++) {
                    const brick = bricks[c][r];
                    if (brick.status === 1) {
                        if (
                            ballX > brick.x &&
                            ballX < brick.x + brickWidth &&
                            ballY > brick.y &&
                            ballY < brick.y + brickHeight
                        ) {
                            ballDY = -ballDY;
                            brick.status = 0;
                            score++;
                            if (score === brickRowCount * brickColumnCount) {
                                alert("Congratulations! You win!");
                                document.location.reload();
                            }
                        }
                    }
                }
            }
        }

// Render the game components
        function draw() {
            // Clear the canvas
            ctx.clearRect(0, 0, canvas.width, canvas.height);

// Draw the bricks
            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();
                    }
                }
            }

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

// Draw the ball
            ctx.beginPath();
            ctx.arc(ballX, ballY, ballRadius, 0, Math.PI * 2);
            ctx.fillStyle = "#0095DD";
            ctx.fill();
            ctx.closePath();

// Draw the score
            ctx.font = "16px Arial";
            ctx.fillStyle = "#0095DD";
            ctx.fillText("Score: " + score, 8, 20);

// Draw the lives
            ctx.fillText("Lives: " + lives, canvas.width - 65, 20);

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

// Move the ball
            ballX += ballDX;
            ballY += ballDY;

// Ball collision with the walls
            if (ballX + ballDX > canvas.width - ballRadius || ballX + ballDX < ballRadius) {
                ballDX = -ballDX;
            }

if (ballY + ballDY < ballRadius) {
                ballDY = -ballDY;
            } else if (ballY + ballDY > canvas.height - ballRadius) {
                if (ballX > paddleX && ballX < paddleX + paddleWidth) {
                    ballDY = -ballDY;
                } else {
                    lives--;
                    if (!lives) {
                        alert("Game Over! Try again.");
                        document.location.reload();
                    } else {
                        ballX = canvas.width / 2;
                        ballY = canvas.height - 30;
                        ballDX = 2;
                        ballDY = -2;
                        paddleX = (canvas.width - paddleWidth) / 2;
                    }
                }
            }

collisionDetection();

requestAnimationFrame(draw);
        }

// Start the game
        draw();
    </script>
</body>
</html>