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Block Breaker
Developer User22126｜Date and time 24/3/25 14:04:56
Build time 13.473 sec｜Game capacity 4.239KB｜

Script

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[PR]現在の本の売れ筋ランキング

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

<!DOCTYPE html>
<html>
  <head>
    <title>Block Breaker Game</title>
    <style>
      #gameCanvas {
        margin: 0 auto;
        display: block;
        border: 1px solid black;
      }
    </style>
  </head>
  <body>
    <canvas id="gameCanvas" width="400" height="400"></canvas>
    <script>
      const canvas = document.getElementById('gameCanvas');
      const ctx = canvas.getContext('2d');

const paddleWidth = 80;
      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;

const brickRowCount = 3;
      const brickColumnCount = 5;
      const brickWidth = 70;
      const brickHeight = 20;
      const brickPadding = 10;
      const brickOffsetTop = 30;
      const brickOffsetLeft = 30;

document.addEventListener('keydown', keyDownHandler);
      document.addEventListener('mousemove', mouseMoveHandler);

function mouseMoveHandler(e) {
        const relativeX = e.clientX - canvas.offsetLeft;
        if (relativeX > 0 && relativeX < canvas.width) {
          paddleX = relativeX - paddleWidth / 2;
        }
      }

function draw square() {
        ctx.beginPath();
        ctx.arc(x, y, 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);
        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 {
            alert('Game Over');
            document.location.reload();
            clearInterval(interval);
          }
        }

x += dx;
        y += dy;
      }

let interval = setInterval(draw, 10);
    </script>
  </body>
</html>
```