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サッカーをするゲーム
Developer User17509｜Date and time 24/1/26 19:15:46
Build time 16.664 sec｜Game capacity 3.058KB｜

Script

サッカーゲーム

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

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>サッカーゲーム</title>
</head>
<body>
    <h1>サッカーゲーム</h1>
    <canvas id="gameCanvas" width="800" height="400" style="border:1px solid black;"></canvas>

// ボールの初期位置と速度
        var ballX = canvas.width / 2;
        var ballY = canvas.height - 20;
        var ballRadius = 10;
        var dx = 2;
        var dy = -2;

// プレイヤーのパドル
        var paddleHeight = 10;
        var paddleWidth = 75;
        var paddleX = (canvas.width - paddleWidth) / 2;

// キーボードの操作
        var rightPressed = false;
        var leftPressed = 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;
            }
        }

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

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

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

function draw() {
            ctx.clearRect(0, 0, canvas.width, canvas.height);
            drawBall();
            drawPaddle();

// ボールの反射
            if (ballX + dx > canvas.width - ballRadius || ballX + dx < ballRadius) {
                dx = -dx;
            }

if (ballY + dy < ballRadius) {
                dy = -dy;
            } else if (ballY + dy > canvas.height - ballRadius) {
                if (ballX > paddleX && ballX < paddleX + paddleWidth) {
                    dy = -dy;
                } else {
                    alert("ゲームオーバー");
                    document.location.reload();
                }
            }

// パドルの移動
            if (rightPressed && paddleX < canvas.width - paddleWidth) {
                paddleX += 7;
            } else if (leftPressed && paddleX > 0) {
                paddleX -= 7;
            }

ballX += dx;
            ballY += dy;

requestAnimationFrame(draw);
        }

draw();
    </script>
</body>
</html>