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No:36645

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Pinball
Developer User16822｜Date and time 24/1/18 6:01:10
Build time 19.307 sec｜Game capacity 5.427KB｜

Script

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

<!DOCTYPE html>
<html>
<head>
    <title>Pinball</title>
    <style>
        canvas {
            border: 1px solid black;
        }
    </style>
</head>
<body>
    <canvas id="gameCanvas" width="400" height="600"></canvas>

// Variables de la bola
        var ballRadius = 10;
        var ballX = canvas.width / 2;
        var ballY = canvas.height - 30;
        var ballDX = 2;
        var ballDY = -2;

// Variables para la paleta
        var paddleHeight = 10;
        var paddleWidth = 75;
        var paddleX = (canvas.width - paddleWidth) / 2;
        var rightPressed = false;
        var leftPressed = false;

// Variables para los ladrillos
        var brickRowCount = 3;
        var brickColumnCount = 5;
        var brickWidth = 75;
        var brickHeight = 20;
        var brickPadding = 10;
        var brickOffsetTop = 30;
        var brickOffsetLeft = 30;
        var bricks = [];

// Inicializar los ladrillos
        for (var c = 0; c < brickColumnCount; c++) {
            bricks[c] = [];
            for (var r = 0; r < brickRowCount; r++) {
                bricks[c][r] = { x: 0, y: 0, status: 1 };
            }
        }

// Event listeners para detectar el movimiento de la paleta
        document.addEventListener("keydown", keyDownHandler, false);
        document.addEventListener("keyup", keyUpHandler, false);

// Funciones para detectar si las teclas de flecha están siendo presionadas o liberadas
        function keyDownHandler(e) {
            if (e.keyCode == 39) {
                rightPressed = true;
            } else if (e.keyCode == 37) {
                leftPressed = true;
            }
        }

function keyUpHandler(e) {
            if (e.keyCode == 39) {
                rightPressed = false;
            } else if (e.keyCode == 37) {
                leftPressed = false;
            }
        }

// Función para dibujar el balón
        function drawBall() {
            ctx.beginPath();
            ctx.arc(ballX, ballY, ballRadius, 0, Math.PI * 2);
            ctx.fillStyle = "#0095DD";
            ctx.fill();
            ctx.closePath();
        }

// Función para dibujar la paleta
        function drawPaddle() {
            ctx.beginPath();
            ctx.rect(paddleX, canvas.height - paddleHeight, paddleWidth, paddleHeight);
            ctx.fillStyle = "#0095DD";
            ctx.fill();
            ctx.closePath();
        }

// Función para dibujar los ladrillos
        function drawBricks() {
            for (var c = 0; c < brickColumnCount; c++) {
                for (var r = 0; r < brickRowCount; r++) {
                    if (bricks[c][r].status == 1) {
                        var brickX = (c * (brickWidth + brickPadding)) + brickOffsetLeft;
                        var 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();
                    }
                }
            }
        }

// Función para detectar la colisión entre el balón y los ladrillos
        function collisionDetection() {
            for (var c = 0; c < brickColumnCount; c++) {
                for (var r = 0; r < brickRowCount; r++) {
                    var b = bricks[c][r];
                    if (b.status == 1) {
                        if (ballX > b.x && ballX < b.x + brickWidth && ballY > b.y && ballY < b.y + brickHeight) {
                            ballDY = -ballDY;
                            b.status = 0;
                        }
                    }
                }
            }
        }

// Función para dibujar todos los elementos del juego
        function draw() {
            ctx.clearRect(0, 0, canvas.width, canvas.height);
            drawBricks();
            drawBall();
            drawPaddle();
            collisionDetection();

// Lógica para el movimiento de la paleta
            if (rightPressed && paddleX < canvas.width - paddleWidth) {
                paddleX += 7;
            } else if (leftPressed && paddleX > 0) {
                paddleX -= 7;
            }

// Lógica para el movimiento del balón
            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 {
                    // Fin del juego si el balón toca el fondo
                    alert("GAME OVER");
                    document.location.reload();
                }
            }

ballX += ballDX;
            ballY += ballDY;

requestAnimationFrame(draw);
        }

// Iniciar el juego
        draw();
    </script>
</body>
</html>