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Ping pong
Developer User13081｜Date and time 23/11/30 3:54:33
Build time 79.002 sec｜Game capacity 3.305KB｜

Script

Sure! I can help you create a simple ping pong game using JavaScript within a single HTML file. Here's an example implementation:

Please save the above code in an HTML file and open it with any modern web browser. You will be able to play a simple ping pong game using arrow keys to control the paddle. Good luck with your game!

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[PR]現在のプレゼントランキング

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

Sure! I can help you create a simple ping pong game using JavaScript within a single HTML file. Here's an example implementation:

```html
<!DOCTYPE html>
<html>
<head>
    <title>Ping Pong Game</title>
    <style>canvas { border: 1px solid #000; }</style>
</head>
<body>
<script>
    // Create the canvas element
    const canvas = document.createElement("canvas");
    const context = canvas.getContext("2d");
    canvas.width = 480;
    canvas.height = 320;
    document.body.appendChild(canvas);

// Set initial positions and speeds
    let ballX = canvas.width / 2;
    let ballY = canvas.height / 2;
    let ballSpeedX = 5;
    let ballSpeedY = 5;
    let paddleX = canvas.width / 2 - 50;
    const paddleWidth = 100;
    const paddleHeight = 10;
    let rightPressed = false;
    let leftPressed = false;

// Event listeners for paddle movement
    document.addEventListener("keydown", keyDownHandler, false);
    document.addEventListener("keyup", keyUpHandler, false);

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;
        }
    }

// Update function for game logic
    function update() {
        // Move the paddle
        if (rightPressed) {
            paddleX += 7;
            if (paddleX + paddleWidth > canvas.width) {
                paddleX = canvas.width - paddleWidth;
            }
        } else if (leftPressed) {
            paddleX -= 7;
            if (paddleX < 0) {
                paddleX = 0;
            }
        }

// Move the ball
        ballX += ballSpeedX;
        ballY += ballSpeedY;

// Ball collision detection with walls
        if (ballX + ballSpeedX > canvas.width || ballX + ballSpeedX < 0) {
            ballSpeedX = -ballSpeedX;
        }
        if (ballY + ballSpeedY < 0) {
            ballSpeedY = -ballSpeedY;
        } else if (ballY + ballSpeedY > canvas.height - paddleHeight) {
            // Ball collision detection with paddle
            if (ballX + ballSpeedX > paddleX && ballX + ballSpeedX < paddleX + paddleWidth) {
                ballSpeedY = -ballSpeedY;
            } else {
                // Game over if ball misses the paddle
                alert("Game Over");
                document.location.reload();
            }
        }

// Draw the game elements
        context.clearRect(0, 0, canvas.width, canvas.height);
        context.beginPath();
        context.rect(paddleX, canvas.height - paddleHeight, paddleWidth, paddleHeight);
        context.fillStyle = "#000";
        context.fill();
        context.closePath();

context.beginPath();
        context.arc(ballX, ballY, 10, 0, Math.PI * 2);
        context.fillStyle = "#000";
        context.fill();
        context.closePath();
    }

// Start the game
    setInterval(update, 10);
</script>
</body>
</html>
```

Please save the above code in an HTML file and open it with any modern web browser. You will be able to play a simple ping pong game using arrow keys to control the paddle. Good luck with your game!