Sample Pong game with buttons and block to destroy's game

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No:47509

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Sample Pong game with buttons and block to destroy
Developer User20368｜Date and time 24/2/28 5:45:44
Build time 10.316 sec｜Game capacity 2.341KB｜

Script

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Simple Pong Game</title>
  <style>
    canvas {
      border: 1px solid black;
      display: block;
      margin: 0 auto;
    }
    button {
      display: block;
      margin: 10px auto;
    }
  </style>
</head>
<body>
  <canvas id="gameCanvas" width="800" height="400"></canvas>
  <button id="leftButton">Move Left</button>
  <button id="rightButton">Move Right</button>
  <script>
    const canvas = document.getElementById('gameCanvas');
    const ctx = canvas.getContext('2d');
    
    let paddleX = canvas.width / 2;
    let paddleWidth = 100;
    let paddleHeight = 10;
    let ballRadius = 10;
    let ballX = canvas.width / 2;
    let ballY = canvas.height - 30;
    let dx = 2;
    let dy = -2;
    
    function drawPaddle() {
      ctx.beginPath();
      ctx.rect(paddleX, canvas.height - paddleHeight, paddleWidth, paddleHeight);
      ctx.fillStyle = '#0095DD';
      ctx.fill();
      ctx.closePath();
    }
    
    function drawBall() {
      ctx.beginPath();
      ctx.arc(ballX, ballY, ballRadius, 0, Math.PI * 2);
      ctx.fillStyle = '#0095DD';
      ctx.fill();
      ctx.closePath();
    }
    
    function draw() {
      ctx.clearRect(0, 0, canvas.width, canvas.height);
      drawPaddle();
      drawBall();
      
      if (ballY + dy < ballRadius) {
        dy = -dy;
      } else if (ballY + dy > canvas.height - ballRadius) {
        if (ballX > paddleX && ballX < paddleX + paddleWidth) {
          dy = -dy;
        } else {
          alert('Game Over');
          document.location.reload();
        }
      }
      
      if (ballX + dx < ballRadius || ballX + dx > canvas.width - ballRadius) {
        dx = -dx;
      }
      
      ballX += dx;
      ballY += dy;
    }
    
    function movePaddle(direction) {
      if (direction === 'left' && paddleX > 0) {
        paddleX -= 10;
      } else if (direction === 'right' && paddleX < canvas.width - paddleWidth) {
        paddleX += 10;
      }
    }

document.getElementById('leftButton').addEventListener('click', () => movePaddle('left'));
    document.getElementById('rightButton').addEventListener('click', () => movePaddle('right'));
    
    setInterval(draw, 10);
  </script>
</body>
</html>