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Block Breaker
Developer User6531｜Date and time 23/9/6 12:54:45
Build time 56.147 sec｜Game capacity 5.172KB｜

Script

Sure, here's an example implementation of a simple Block Breaker game using HTML, JavaScript, and pictograms. Please note that this is a bare minimum implementation for demonstration purposes only. You can enhance it further with additional features, levels, and design elements.

This simple Block Breaker game uses pure JavaScript and HTML Canvas to render the game elements. The player controls the paddle using left and right arrow keys on a smartphone. The objective is to bounce the ball off the paddle and break all the bricks. The game ends when the ball falls off the screen, and the player can reset the game by reloading the page.

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[PR]現在の欲しいゲームランキング

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

```html
<!DOCTYPE html>
<html>
<head>
    <title>Block Breaker</title>
    <style>
        canvas {
            border: 1px solid black;
            display: block;
            margin: 0 auto;
        }
    </style>
</head>
<body>
    <canvas id="gameCanvas" width="320" height="480"></canvas>

// Array to store bricks
    var bricks = [];
    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
    document.addEventListener("keydown", handleKeydown);
    document.addEventListener("keyup", handleKeyup);

// Initialize the game canvas
    function gameStart() {
        canvas = document.getElementById("gameCanvas");
        canvasContext = canvas.getContext("2d");

// Game loop
        setInterval(function () {
            moveEverything();
            drawEverything();
        }, 16); // Run at approximately 60 frames per second
    }

// Handle keyboard input
    var rightPressed = false;
    var leftPressed = false;

function handleKeydown(event) {
        if (event.keyCode === 39) {
            rightPressed = true;
        } else if (event.keyCode === 37) {
            leftPressed = true;
        }
    }

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

// Update game entities position
    function moveEverything() {
        if (rightPressed && paddleX < canvas.width - paddleWidth) {
            paddleX += paddleSpeed;
        } else if (leftPressed && paddleX > 0) {
            paddleX -= paddleSpeed;
        }

ballX += ballSpeedX;
        ballY += ballSpeedY;

if (ballX < 0 || ballX > canvas.width) {
            ballSpeedX *= -1;
        }

if (ballY < 0) {
            ballSpeedY *= -1;
        } else if (ballY > canvas.height) {
            // Game over condition (ball falls off the screen)
            resetGame();
        }

// Collision detection
        if (ballY > canvas.height - paddleHeight && ballX > paddleX && ballX < paddleX + paddleWidth) {
            ballSpeedY *= -1;
        }

for (var c = 0; c < brickColumnCount; c++) {
            for (var r = 0; r < brickRowCount; r++) {
                var brick = bricks[c][r];
                if (brick.status === 1) {
                    if (ballX > brick.x && ballX < brick.x + brickWidth && ballY > brick.y && ballY < brick.y + brickHeight) {
                        ballSpeedY *= -1;
                        brick.status = 0;
                    }
                }
            }
        }
    }

// Draw game entities on canvas
    function drawEverything() {
        // Draw canvas
        canvasContext.fillStyle = "#000";
        canvasContext.fillRect(0, 0, canvas.width, canvas.height);

// Draw ball
        canvasContext.fillStyle = "#FFF";
        canvasContext.beginPath();
        canvasContext.arc(ballX, ballY, 10, 0, Math.PI * 2, true);
        canvasContext.fill();

// Draw paddle
        canvasContext.fillStyle = "#FFF";
        canvasContext.fillRect(paddleX, canvas.height - paddleHeight, paddleWidth, paddleHeight);

// Draw bricks
        for (var c = 0; c < brickColumnCount; c++) {
            for (var r = 0; r < brickRowCount; r++) {
                var brick = bricks[c][r];
                if (brick.status === 1) {
                    canvasContext.fillStyle = "#FFF";
                    canvasContext.fillRect(brick.x, brick.y, brickWidth, brickHeight);
                }
            }
        }
    }

// Reset the game
    function resetGame() {
        ballX = canvas.width / 2;
        ballY = canvas.height / 2;
        ballSpeedX = 10;
        ballSpeedY = 4;

for (var c = 0; c < brickColumnCount; c++) {
            for (var r = 0; r < brickRowCount; r++) {
                bricks[c][r].status = 1;
            }
        }
    }

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