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Block Breaker
Developer User19747｜Date and time 24/2/22 2:20:23
Build time 20.458 sec｜Game capacity 4.564KB｜

Script

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[PR]現在の売れ筋グッズランキング

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: black;
            display: block;
            margin: 0 auto;
        }
    </style>
</head>
<body>
    <canvas id="gameCanvas" width="400" height="400"></canvas>

let paddleWidth = 80;
        let paddleHeight = 10;
        let paddleX = (canvas.width - paddleWidth) / 2;
        let rightPressed = false;
        let leftPressed = false;

let ballRadius = 10;
        let x = canvas.width / 2;
        let y = canvas.height - 30;
        let dx = 2;
        let dy = -2;

let brickRowCount = 3;
        let brickColumnCount = 5;
        let brickWidth = 75;
        let brickHeight = 20;
        let brickPadding = 10;
        let brickOffsetTop = 30;
        let brickOffsetLeft = 30;

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

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 drawBall() {
            ctx.beginPath();
            ctx.arc(x, y, ballRadius, 0, Math.PI * 2);
            ctx.fillStyle = 'white';
            ctx.fill();
            ctx.closePath();
        }

function drawPaddle() {
            ctx.beginPath();
            ctx.rect(paddleX, canvas.height - paddleHeight, paddleWidth, paddleHeight);
            ctx.fillStyle = 'white';
            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 {
                    document.location.reload();
                }
            }

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

x += dx;
            y += dy;
        }

setInterval(draw, 10);
    </script>
</body>
</html>