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No:47326

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Block Breaker
Developer User18896｜Date and time 24/2/28 1:06:36
Build time 10.971 sec｜Game capacity 2.434KB｜

Script

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[PR]現在の売れ筋ゲームランキング

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

<!DOCTYPE html>
<html>
<head>
  <title>Block Breaker Game</title>
  <style>
    canvas {
      border: 1px solid black;
    }
  </style>
</head>
<body>
  <canvas id="gameCanvas" width="800" height="600"></canvas>
  <script>
    const canvas = document.getElementById('gameCanvas');
    const ctx = canvas.getContext('2d');
    
    const paddleWidth = 100;
    const paddleHeight = 10;
    let paddleX = (canvas.width - paddleWidth) / 2;
    
    const ballRadius = 10;
    let x = canvas.width / 2;
    let y = canvas.height - 30;
    let dx = 2;
    let dy = -2;
    
    let rightPressed = false;
    let leftPressed = false;
    
    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 drawPaddle() {
      ctx.beginPath();
      ctx.rect(paddleX, canvas.height - paddleHeight, paddleWidth, paddleHeight);
      ctx.fillStyle = '#0095DD';
      ctx.fill();
      ctx.closePath();
    }
    
    function drawBall() {
      ctx.beginPath();
      ctx.arc(x, y, ballRadius, 0, Math.PI*2);
      ctx.fillStyle = '#0095DD';
      ctx.fill();
      ctx.closePath();
    }
    
    function draw() {
      ctx.clearRect(0, 0, canvas.width, canvas.height);
      drawBall();
      drawPaddle();
      
      if (rightPressed && paddleX < canvas.width - paddleWidth) {
        paddleX += 7;
      } else if (leftPressed && paddleX > 0) {
        paddleX -= 7;
      }
      
      x += dx;
      y += dy;
      
      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 {
          alert('Game Over');
          document.location.reload();
        }
      }
      
      requestAnimationFrame(draw);
    }
    
    draw();
  </script>
</body>
</html>